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| author | Dariusz Michaluk <d.michaluk@samsung.com> | 2024-02-16 12:29:59 +0100 |
|---|---|---|
| committer | Dariusz Michaluk <d.michaluk@samsung.com> | 2024-02-16 12:29:59 +0100 |
| commit | 3ec0912f27cde058107543db7e8e6a65e44d18b3 (patch) | |
| tree | 02a7601c2964f9c712b919a223dda094ff0c2369 | |
| parent | c591394f75d0462d9d9a17d66c1bcf800181a294 (diff) | |
| download | libcap-ng-upstream.tar.gz libcap-ng-upstream.tar.bz2 libcap-ng-upstream.zip | |
Imported Upstream version 0.8.4upstream/0.8.4upstream
81 files changed, 1975 insertions, 43732 deletions
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml new file mode 100644 index 0000000..780c6c1 --- /dev/null +++ b/.github/workflows/codeql-analysis.yml @@ -0,0 +1,74 @@ +# For most projects, this workflow file will not need changing; you simply need +# to commit it to your repository. +# +# You may wish to alter this file to override the set of languages analyzed, +# or to provide custom queries or build logic. +# +# ******** NOTE ******** +# We have attempted to detect the languages in your repository. Please check +# the `language` matrix defined below to confirm you have the correct set of +# supported CodeQL languages. +# +name: "CodeQL" + +on: + push: + branches: [ master ] + pull_request: + # The branches below must be a subset of the branches above + branches: [ master ] + schedule: + - cron: '35 12 * * 4' + +jobs: + analyze: + name: Analyze + runs-on: ubuntu-latest + container: registry.fedoraproject.org/fedora:latest + + strategy: + fail-fast: false + matrix: + language: [ 'cpp', 'python' ] + # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ] + # Learn more: + # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed + + steps: + - name: Checkout repository + uses: actions/checkout@v2 + + - name: get envinronment info + run: uname -a + + - name: print fedora version + run: cat /etc/fedora-release + + - name: install dependencies + run: dnf -y install autoconf automake libtool gcc libattr-devel kernel-headers swig python3-devel python3 python-unversioned-command which git + + + # Initializes the CodeQL tools for scanning. + - name: Initialize CodeQL + uses: github/codeql-action/init@v1 + with: + languages: ${{ matrix.language }} + # If you wish to specify custom queries, you can do so here or in a config file. + # By default, queries listed here will override any specified in a config file. + # Prefix the list here with "+" to use these queries and those in the config file. + # queries: ./path/to/local/query, your-org/your-repo/queries@main + + # ℹ️ Command-line programs to run using the OS shell. + # 📚 https://git.io/JvXDl + + # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines + # and modify them (or add more) to build your code if your project + # uses a compiled language + + - run: | + ./autogen.sh + ./configure --with-python=no --with-python3 + make + + - name: Perform CodeQL Analysis + uses: github/codeql-action/analyze@v1 @@ -1,3 +1,102 @@ +0.8.4 +- In capng_change_id, clear PR_SET_KEEPCAPS if returning an error +- pscap: add -p option for reporting a specified process (Masatake Yamato) +- Annotate function prototypes to warn if results are unused +- Drop python2 support + +0.8.3 +- Fix parameters to capng_updatev python bindings to be signed +- Detect capability options at runtime to make containerization easier (ntkme) +- Initialize the library when linked statically +- Add gcc function attributes for deallocation + +0.8.2 +- In capng_apply, if we blew up in bounding set, allow setting capabilities +- If PR_CAP_AMBIENT is not available, do not build libdrop_ambient +- Improve last_cap check + +0.8.1 +- If procfs is not available, leave last_cap as CAP_LAST_CAP +- If bounding and ambient not found in status, try prctl method +- In capng_apply, move ambient caps to the end of the transaction +- In capng_apply, return errors more aggressively. +- In capng_apply, if the action includes the bounding set,resync with the kernel +- Fix signed/unsigned warning in cap-ng.c +- In capng_apply, return a unique error code to diagnose any failure +- In capng_have_capability, return 0 for failure +- Add the libdrop_ambient admin tool + +0.8 +- Add vararg support to python bindings for capng_updatev +- Add support for ambient capabilities +- Add support for V3 filesystem capabilities + +0.7.11 +- Really clear bounding set if asked in capng_change_id +- Add CAP_PERFMON, CAP_BPF, & CAP_CHECKPOINT_RESTORE +- Avoid malloc/free in capng_apply (Natanael Copa) +- If procfs is not available, get bounding set via prctl +- Cleanup some compiler warnings + +0.7.10 +- Update capng_change_id man page +- Add capng_have_permitted_capabilities function +- Update filecap to output which set the capabilities are in +- Fix filecap to not output an error when a file has no capabilities +- Add udplite support to netcap +- Fix usage of pthread_atfork (Joe Orton) +- Mark processes in child user namespaces with * (Danila Kiver) + +0.7.9 +- Fix byte compiling python3 bindings +- Detect and output a couple errors in filecap +- Use pthread_atfork to optionally reset the pid and related info on fork +- Rework spec file to show new python2/3 separation + +0.7.8 +- Improve Python3 support +- Fix the thread separation test +- Correct typo in cap_pacct text +- Update man page for captest +- Fix sscanf string lengths in netcap +- Correct linking of python3 module + +0.7.7 +- Make sure all types used in _lnode are defined in proc-llist.h +- Fix python binding test for old kernels +- Fix leaked FD in library init + +0.7.6 +- Fix python3 support + +0.7.5 +- Make python3 supported +- In python bindings test, clamp CAP_LAST_CAP with /proc/.../cap_last_cap +- Update table for 3.16 kernel + +0.7.4 +- In pscap, remove unused code +- Add CAPNG_INIT_SUPP_GRP to capng_change_id +- Drop CAP_COMPROMISE_KERNEL +- Update the autotools components +- Dynamically detect last capability (#895105) +- Add PR_SET_NO_NEW_PRIVS to capng_lock if kernel supports it + +0.7.3 +- Make sure stderr is used consistently in utils +- Fix logic causing file based capabilities to not be supported when it should + +0.7.1 +- Add CAP_COMPROMISE_KERNEL +- Define FTW_CONTINUE in case its not defined in libc +- Use glibc for xattr.h if available + +0.7 +- Make file opens use the cloexec flag (Cristian Rodríguez) +- Add CAP_BLOCK_SUSPEND +- Fix possible segfaults when CAP_LAST_CAP is larger than the lookup table +- In pscap, don't drop capabilities when running with capabilities + 0.6.6 - In netcap, make sure readlink is handled properly - Add CAP_SYSLOG diff --git a/Makefile.am b/Makefile.am index c8c0681..6fa1363 100644 --- a/Makefile.am +++ b/Makefile.am @@ -1,5 +1,5 @@ # Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. +# Copyright 2009 Red Hat Inc. # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify @@ -13,18 +13,19 @@ # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# along with this program; see the file COPYING. If not, write to the +# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +# Boston, MA 02110-1335, USA. # # Authors: # Steve Grubb <sgrubb@redhat.com> # - +ACLOCAL_AMFLAGS = -I m4 SUBDIRS = src utils m4 docs if HAVE_SWIG SUBDIRS += bindings endif -EXTRA_DIST = ChangeLog AUTHORS NEWS README INSTALL COPYING COPYING.LIB \ +EXTRA_DIST = ChangeLog AUTHORS README.md INSTALL COPYING COPYING.LIB \ libcap-ng.spec autogen.sh CONFIG_CLEAN_FILES = debug*.list config/* diff --git a/Makefile.in b/Makefile.in deleted file mode 100644 index 03a875f..0000000 --- a/Makefile.in +++ /dev/null @@ -1,757 +0,0 @@ -# Makefile.in generated by automake 1.11.1 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, -# Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - -# Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. -# All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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The library has some utilities to help you analyse a system -for apps that may have too much privileges. - -NOTE: to distributions. There is a "make check" target. It only works -if the headers match the kernel. IOW, if you have a chroot build system -that is using a much older kernel, the macros in the kernel header files -will do the wrong thing when the capng_init function probes the kernel -and decides we are doing v1 rather than v3 protocol. If that is your case, -just don't do the "make check" as part of the build process. - -Report any bugs in this package to sgrubb@redhat.com or better yet, -file them here: https://bugzilla.redhat.com/ diff --git a/README.md b/README.md new file mode 100644 index 0000000..3fbaa20 --- /dev/null +++ b/README.md @@ -0,0 +1,178 @@ +libcap-ng +========= + +The libcap-ng library should make programming with POSIX capabilities +easier. The library has some utilities to help you analyse a system +for apps that may have too much privileges. + +The included utilities are designed to let admins and developers spot apps from various ways that may be running with too much privilege. For example, any investigation should start with network facing apps since they would be prime targets for intrusion. The netcap program will check all running apps that have listening socket and display the results. Sample output from netcap: + +``` +ppid pid acct command type port capabilities +1 2295 root nasd tcp 8000 full +2323 2383 root dnsmasq tcp 53 net_admin, net_raw + +1 2286 root sshd tcp 22 full +1 2365 root cupsd tcp 631 full +1 2286 root sshd tcp6 22 full +1 2365 root cupsd tcp6 631 full +2323 2383 root dnsmasq udp 53 net_admin, net_raw + +2323 2383 root dnsmasq udp 67 net_admin, net_raw + +1 2365 root cupsd udp 631 full +``` +After checking the networking apps, you should check all running apps with +pscap. If you are a developer and have to give your application +CAP_DAC_OVERRIDE, you must be accessing files for which you have no permission +to access. This typically can be resolved by having membership in the correct +groups. Try to avoid needing CAP_DAC_OVERRIDE...you may as well be root if you +need it. + +Some application developers have chosen to use file system base capabilities +rather than be setuid root and have to drop capabilities. Libcap-ng provides +filecap to recursively search directories and show you which ones have +capabilities and exactly what those are. + +C Examples +---------- +As an application developer, there are probably 6 use cases that you are +interested in: drop all capabilities, keep one capability, keep several +capabilities, check if you have any capabilities at all, check for certain +capabilities, and retain capabilities across a uid change. + +1) Drop all capabilities + ```c + capng_clear(CAPNG_SELECT_BOTH); + capng_apply(CAPNG_SELECT_BOTH); + ``` + +2) Keep one capability + ```c + capng_clear(CAPNG_SELECT_BOTH); + capng_update(CAPNG_ADD, CAPNG_EFFECTIVE|CAPNG_PERMITTED, CAP_CHOWN); + capng_apply(CAPNG_SELECT_BOTH); + ``` + +3) Keep several capabilities + ```c + capng_clear(CAPNG_SELECT_BOTH); + capng_updatev(CAPNG_ADD, CAPNG_EFFECTIVE|CAPNG_PERMITTED, CAP_SETUID, CAP_SETGID, -1); + capng_apply(CAPNG_SELECT_BOTH); + ``` + +4) Check if you have any capabilities + ```c + if (capng_have_capabilities(CAPNG_SELECT_CAPS) > CAPNG_NONE) + do_something(); + ``` + +5) Check for a specific capability + ```c + if (capng_have_capability(CAPNG_EFFECTIVE, CAP_CHOWN)) + do_something(); + ``` + +6) Retain capabilities across a uid change + ```c + capng_clear(CAPNG_SELECT_BOTH); + capng_update(CAPNG_ADD, CAPNG_EFFECTIVE|CAPNG_PERMITTED, CAP_CHOWN); + if (capng_change_id(99, 99, CAPNG_DROP_SUPP_GRP | CAPNG_CLEAR_BOUNDING)) + error(); + ``` + +Now, isn't that a lot simpler? Note that the last example takes about 60 lines +of code using the older capabilities library. As of the 0.6 release, there is +a m4 macro file to help adding libcap-ng to your autotools config system. In +configure.ac, add LIBCAP_NG_PATH. Then in Makefile.am locate the apps that +link to libcap-ng, add $(CAPNG_LDADD) to their LDADD entries. And lastly, +surround the optional capabilities code with #ifdef HAVE_LIBCAP_NG. + +Python +------ +Libcap-ng 0.6 and later has python bindings. (Only python3 is supported from 0.8.4 onward.) You simply add 'import capng' in your script. Here are the same examples as above in python: + +1) Drop all capabilities + ```python + capng.capng_clear(capng.CAPNG_SELECT_BOTH) + capng.capng_apply(capng.CAPNG_SELECT_BOTH) + ``` + +2) Keep one capability + ```python + capng.capng_clear(capng.CAPNG_SELECT_BOTH) + capng.capng_update(capng.CAPNG_ADD, capng.CAPNG_EFFECTIVE|capng.CAPNG_PERMITTED, capng.CAP_CHOWN) + capng.capng_apply(capng.CAPNG_SELECT_BOTH) + ``` + +3) Keep several capabilities + ```python + capng.capng_clear(capng.CAPNG_SELECT_BOTH) + capng.capng_updatev(capng.CAPNG_ADD, capng.CAPNG_EFFECTIVE|capng.CAPNG_PERMITTED, capng.CAP_SETUID, capng.CAP_SETGID, -1) + capng.capng_apply(capng.CAPNG_SELECT_BOTH) + ``` + +4) Check if you have any capabilities + ```python + if capng.capng_have_capabilities(capng.CAPNG_SELECT_CAPS) > capng.CAPNG_NONE: + do_something() + ``` + +5) Check for a specific capability + ```python + if capng.capng_have_capability(capng.CAPNG_EFFECTIVE, capng.CAP_CHOWN): + do_something() + ``` + +6) Retain capabilities across a uid change + ```python + capng.capng_clear(capng.CAPNG_SELECT_BOTH) + capng.capng_update(capng.CAPNG_ADD, capng.CAPNG_EFFECTIVE|capng.CAPNG_PERMITTED, capng.CAP_CHOWN) + if capng.capng_change_id(99, 99, capng.CAPNG_DROP_SUPP_GRP | capng.CAPNG_CLEAR_BOUNDING) < 0: + error() + ``` + +The one caveat is that printing capabilities from python does not work. But +you can still manipulate capabilities, though. + +Ambient Capabilities +-------------------- +Ambient capabilities arrived in the 4.3 Linux kernel. Ambient capabilities +allow a privileged process to bestow capabilities to a child process. This +is how systemd grants capabilities to a daemon running in a service account. +The problem with ambient capabilities is they are inherited forever. Every +process exec'ed from the original service also has the capabilities. This is +a security issue. + +To find and fix this, you can run the pscap program and grep for '@'. The '@' +symbol denotes processes that have ambient capabilities. For example: + +``` +# pscap | grep @ +1 1655 systemd-oom systemd-oomd dac_override, kill @ + +1 1656 systemd-resolve systemd-resolve net_raw @ + + +``` + +To fix this, libcap-ng 0.8.3 and later ships libdrop_ambient.so.0. It is +designed to be used with LD_PRELOAD. It has a constructor function that forces +the dropping of ambient capabilities. By the time the application starts, it +has both effective and ambient capabilities - meaning is safe to drop ambient +capabilities very early. You can either link it to an application run as a +systemd service (using ld), or create a wrapper script that then starts the +daemon. + +NOTE: to distributions +---------------------- +There is a "make check" target. It only works if the available kernel headers +roughly match the build root kernel. Iow, if you have a chroot build system +that is using a much older kernel, the macros in the kernel header files will +describe functionality that does not exist in the build root. The capng_init +function will probe the kernel and decide we can only do v1 rather than v3 +capabilities instead of what the kernel headers said was possible. If that is +your case, just don't do the "make check" as part of the build process. This +problem should go away as build roots eventually switch to the 5.0 or later +kernels. + +Reporting +--------- +Report any bugs in this package to: +https://github.com/stevegrubb/libcap-ng/issue + diff --git a/aclocal.m4 b/aclocal.m4 deleted file mode 100644 index d4040a4..0000000 --- a/aclocal.m4 +++ /dev/null @@ -1,9240 +0,0 @@ -# generated automatically by aclocal 1.11.1 -*- Autoconf -*- - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. -# This file is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -m4_ifndef([AC_AUTOCONF_VERSION], - [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl -m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.66],, -[m4_warning([this file was generated for autoconf 2.66. -You have another version of autoconf. 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-void nm_test_func(void); -void nm_test_func(void){} -#ifdef __cplusplus -} -#endif -int main(){nm_test_var='a';nm_test_func();return(0);} -_LT_EOF - - if AC_TRY_EVAL(ac_compile); then - # Now try to grab the symbols. - nlist=conftest.nm - if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then - # Try sorting and uniquifying the output. - if sort "$nlist" | uniq > "$nlist"T; then - mv -f "$nlist"T "$nlist" - else - rm -f "$nlist"T - fi - - # Make sure that we snagged all the symbols we need. - if $GREP ' nm_test_var$' "$nlist" >/dev/null; then - if $GREP ' nm_test_func$' "$nlist" >/dev/null; then - cat <<_LT_EOF > conftest.$ac_ext -#ifdef __cplusplus -extern "C" { -#endif - -_LT_EOF - # Now generate the symbol file. - eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | $GREP -v main >> conftest.$ac_ext' - - cat <<_LT_EOF >> conftest.$ac_ext - -/* The mapping between symbol names and symbols. */ -const struct { - const char *name; - void *address; -} -lt__PROGRAM__LTX_preloaded_symbols[[]] = -{ - { "@PROGRAM@", (void *) 0 }, -_LT_EOF - $SED "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (void *) \&\2},/" < "$nlist" | $GREP -v main >> conftest.$ac_ext - cat <<\_LT_EOF >> conftest.$ac_ext - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt__PROGRAM__LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif -_LT_EOF - # Now try linking the two files. - mv conftest.$ac_objext conftstm.$ac_objext - lt_save_LIBS="$LIBS" - lt_save_CFLAGS="$CFLAGS" - LIBS="conftstm.$ac_objext" - CFLAGS="$CFLAGS$_LT_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)" - if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then - pipe_works=yes - fi - LIBS="$lt_save_LIBS" - CFLAGS="$lt_save_CFLAGS" - else - echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD - fi - else - echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD - fi - else - echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD - fi - else - echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD - cat conftest.$ac_ext >&5 - fi - rm -rf conftest* conftst* - - # Do not use the global_symbol_pipe unless it works. - if test "$pipe_works" = yes; then - break - else - lt_cv_sys_global_symbol_pipe= - fi -done -]) -if test -z "$lt_cv_sys_global_symbol_pipe"; then - lt_cv_sys_global_symbol_to_cdecl= -fi -if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then - AC_MSG_RESULT(failed) -else - AC_MSG_RESULT(ok) -fi - -_LT_DECL([global_symbol_pipe], [lt_cv_sys_global_symbol_pipe], [1], - [Take the output of nm and produce a listing of raw symbols and C names]) -_LT_DECL([global_symbol_to_cdecl], [lt_cv_sys_global_symbol_to_cdecl], [1], - [Transform the output of nm in a proper C declaration]) -_LT_DECL([global_symbol_to_c_name_address], - [lt_cv_sys_global_symbol_to_c_name_address], [1], - [Transform the output of nm in a C name address pair]) -_LT_DECL([global_symbol_to_c_name_address_lib_prefix], - [lt_cv_sys_global_symbol_to_c_name_address_lib_prefix], [1], - [Transform the output of nm in a C name address pair when lib prefix is needed]) -]) # _LT_CMD_GLOBAL_SYMBOLS - - -# _LT_COMPILER_PIC([TAGNAME]) -# --------------------------- -m4_defun([_LT_COMPILER_PIC], -[m4_require([_LT_TAG_COMPILER])dnl -_LT_TAGVAR(lt_prog_compiler_wl, $1)= -_LT_TAGVAR(lt_prog_compiler_pic, $1)= -_LT_TAGVAR(lt_prog_compiler_static, $1)= - -AC_MSG_CHECKING([for $compiler option to produce PIC]) -m4_if([$1], [CXX], [ - # C++ specific cases for pic, static, wl, etc. - if test "$GXX" = yes; then - _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' - _LT_TAGVAR(lt_prog_compiler_static, $1)='-static' - - case $host_os in - aix*) - # All AIX code is PIC. - if test "$host_cpu" = ia64; then - # AIX 5 now supports IA64 processor - _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' - fi - ;; - - amigaos*) - case $host_cpu in - powerpc) - # see comment about AmigaOS4 .so support - _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC' - ;; - m68k) - # FIXME: we need at least 68020 code to build shared libraries, but - # adding the `-m68020' flag to GCC prevents building anything better, - # like `-m68040'. - _LT_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4' - ;; - esac - ;; - - beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*) - # PIC is the default for these OSes. - ;; - mingw* | cygwin* | os2* | pw32* | cegcc*) - # This hack is so that the source file can tell whether it is being - # built for inclusion in a dll (and should export symbols for example). - # Although the cygwin gcc ignores -fPIC, still need this for old-style - # (--disable-auto-import) libraries - m4_if([$1], [GCJ], [], - [_LT_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT']) - ;; 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It appears that all Alpha - # Linux and Compaq Tru64 Unix objects are PIC. - _LT_TAGVAR(lt_prog_compiler_pic, $1)= - _LT_TAGVAR(lt_prog_compiler_static, $1)='-non_shared' - ;; - xlc* | xlC* | bgxl[[cC]]* | mpixl[[cC]]*) - # IBM XL 8.0, 9.0 on PPC and BlueGene - _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' - _LT_TAGVAR(lt_prog_compiler_pic, $1)='-qpic' - _LT_TAGVAR(lt_prog_compiler_static, $1)='-qstaticlink' - ;; - *) - case `$CC -V 2>&1 | sed 5q` in - *Sun\ C*) - # Sun C++ 5.9 - _LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC' - _LT_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic' - _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld ' - ;; - esac - ;; - esac - ;; - lynxos*) - ;; - m88k*) - ;; - mvs*) - case $cc_basename in - cxx*) - _LT_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall' - ;; - *) - ;; - esac - ;; - netbsd*) - ;; - *qnx* | *nto*) - # QNX uses GNU C++, but need to define -shared option too, otherwise - # it will coredump. - _LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC -shared' - ;; - osf3* | osf4* | osf5*) - case $cc_basename in - KCC*) - _LT_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,' - ;; - RCC*) - # Rational C++ 2.4.1 - _LT_TAGVAR(lt_prog_compiler_pic, $1)='-pic' - ;; - cxx*) - # Digital/Compaq C++ - _LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,' - # Make sure the PIC flag is empty. 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else: - raise AttributeError("You cannot add attributes to %s" % self) - -def _swig_setattr(self,class_type,name,value): - return _swig_setattr_nondynamic(self,class_type,name,value,0) - -def _swig_getattr(self,class_type,name): - if (name == "thisown"): return self.this.own() - method = class_type.__swig_getmethods__.get(name,None) - if method: return method(self) - raise AttributeError(name) - -def _swig_repr(self): - try: strthis = "proxy of " + self.this.__repr__() - except: strthis = "" - return "<%s.%s; %s >" % (self.__class__.__module__, self.__class__.__name__, strthis,) - -try: - _object = object - _newclass = 1 -except AttributeError: - class _object : pass - _newclass = 0 - - -CAP_CHOWN = _capng.CAP_CHOWN -CAP_DAC_OVERRIDE = _capng.CAP_DAC_OVERRIDE -CAP_DAC_READ_SEARCH = _capng.CAP_DAC_READ_SEARCH -CAP_FOWNER = _capng.CAP_FOWNER -CAP_FSETID = _capng.CAP_FSETID -CAP_KILL = _capng.CAP_KILL -CAP_SETGID = _capng.CAP_SETGID -CAP_SETUID = _capng.CAP_SETUID -CAP_SETPCAP = _capng.CAP_SETPCAP -CAP_LINUX_IMMUTABLE = _capng.CAP_LINUX_IMMUTABLE -CAP_NET_BIND_SERVICE = _capng.CAP_NET_BIND_SERVICE -CAP_NET_BROADCAST = _capng.CAP_NET_BROADCAST -CAP_NET_ADMIN = _capng.CAP_NET_ADMIN -CAP_NET_RAW = _capng.CAP_NET_RAW -CAP_IPC_LOCK = _capng.CAP_IPC_LOCK -CAP_IPC_OWNER = _capng.CAP_IPC_OWNER -CAP_SYS_MODULE = _capng.CAP_SYS_MODULE -CAP_SYS_RAWIO = _capng.CAP_SYS_RAWIO -CAP_SYS_CHROOT = _capng.CAP_SYS_CHROOT -CAP_SYS_PTRACE = _capng.CAP_SYS_PTRACE -CAP_SYS_PACCT = _capng.CAP_SYS_PACCT -CAP_SYS_ADMIN = _capng.CAP_SYS_ADMIN -CAP_SYS_BOOT = _capng.CAP_SYS_BOOT -CAP_SYS_NICE = _capng.CAP_SYS_NICE -CAP_SYS_RESOURCE = _capng.CAP_SYS_RESOURCE -CAP_SYS_TIME = _capng.CAP_SYS_TIME -CAP_SYS_TTY_CONFIG = _capng.CAP_SYS_TTY_CONFIG -CAP_MKNOD = _capng.CAP_MKNOD -CAP_LEASE = _capng.CAP_LEASE -CAP_AUDIT_WRITE = _capng.CAP_AUDIT_WRITE -CAP_AUDIT_CONTROL = _capng.CAP_AUDIT_CONTROL -CAP_SETFCAP = _capng.CAP_SETFCAP -CAP_MAC_OVERRIDE = _capng.CAP_MAC_OVERRIDE -CAP_MAC_ADMIN = _capng.CAP_MAC_ADMIN -CAP_LAST_CAP = _capng.CAP_LAST_CAP -CAPNG_DROP = _capng.CAPNG_DROP -CAPNG_ADD = _capng.CAPNG_ADD -CAPNG_EFFECTIVE = _capng.CAPNG_EFFECTIVE -CAPNG_PERMITTED = _capng.CAPNG_PERMITTED -CAPNG_INHERITABLE = _capng.CAPNG_INHERITABLE -CAPNG_BOUNDING_SET = _capng.CAPNG_BOUNDING_SET -CAPNG_SELECT_CAPS = _capng.CAPNG_SELECT_CAPS -CAPNG_SELECT_BOUNDS = _capng.CAPNG_SELECT_BOUNDS -CAPNG_SELECT_BOTH = _capng.CAPNG_SELECT_BOTH -CAPNG_FAIL = _capng.CAPNG_FAIL -CAPNG_NONE = _capng.CAPNG_NONE -CAPNG_PARTIAL = _capng.CAPNG_PARTIAL -CAPNG_FULL = _capng.CAPNG_FULL -CAPNG_PRINT_STDOUT = _capng.CAPNG_PRINT_STDOUT -CAPNG_PRINT_BUFFER = _capng.CAPNG_PRINT_BUFFER -CAPNG_NO_FLAG = _capng.CAPNG_NO_FLAG -CAPNG_DROP_SUPP_GRP = _capng.CAPNG_DROP_SUPP_GRP -CAPNG_CLEAR_BOUNDING = _capng.CAPNG_CLEAR_BOUNDING - -def capng_clear(*args): - return _capng.capng_clear(*args) -capng_clear = _capng.capng_clear - -def capng_fill(*args): - return _capng.capng_fill(*args) -capng_fill = _capng.capng_fill - -def capng_setpid(*args): - return _capng.capng_setpid(*args) -capng_setpid = _capng.capng_setpid - -def capng_get_caps_process(): - return _capng.capng_get_caps_process() -capng_get_caps_process = _capng.capng_get_caps_process - -def capng_update(*args): - return _capng.capng_update(*args) -capng_update = _capng.capng_update - -def capng_updatev(*args): - return _capng.capng_updatev(*args) -capng_updatev = _capng.capng_updatev - -def capng_apply(*args): - return _capng.capng_apply(*args) -capng_apply = _capng.capng_apply - -def capng_lock(): - return _capng.capng_lock() -capng_lock = _capng.capng_lock - -def capng_change_id(*args): - return _capng.capng_change_id(*args) -capng_change_id = _capng.capng_change_id - -def capng_get_caps_fd(*args): - return _capng.capng_get_caps_fd(*args) -capng_get_caps_fd = _capng.capng_get_caps_fd - -def capng_apply_caps_fd(*args): - return _capng.capng_apply_caps_fd(*args) -capng_apply_caps_fd = _capng.capng_apply_caps_fd - -def capng_have_capabilities(*args): - return _capng.capng_have_capabilities(*args) -capng_have_capabilities = _capng.capng_have_capabilities - -def capng_have_capability(*args): - return _capng.capng_have_capability(*args) -capng_have_capability = _capng.capng_have_capability - -def capng_print_caps_numeric(*args): - return _capng.capng_print_caps_numeric(*args) -capng_print_caps_numeric = _capng.capng_print_caps_numeric - -def capng_print_caps_text(*args): - return _capng.capng_print_caps_text(*args) -capng_print_caps_text = _capng.capng_print_caps_text - -def capng_name_to_capability(*args): - return _capng.capng_name_to_capability(*args) -capng_name_to_capability = _capng.capng_name_to_capability - -def capng_capability_to_name(*args): - return _capng.capng_capability_to_name(*args) -capng_capability_to_name = _capng.capng_capability_to_name - - diff --git a/bindings/python/test/Makefile.in b/bindings/python/test/Makefile.in deleted file mode 100644 index 6ca1a54..0000000 --- a/bindings/python/test/Makefile.in +++ /dev/null @@ -1,486 +0,0 @@ -# Makefile.in generated by automake 1.11.1 from Makefile.am. -# @configure_input@ - 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you can redistribute it and/or @@ -12,34 +12,39 @@ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# You should have received a copy of the GNU Lesser General Public License +# along with this program; see the file COPYING. If not, write to the +# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +# Boston, MA 02110-1335, USA. # # Authors: # Steve Grubb <sgrubb@redhat.com> # SUBDIRS = test -EXTRA_DIST = capng_swig.i CONFIG_CLEAN_FILES = *.loT *.rej *.orig -AM_CFLAGS = -fPIC -DPIC -PYLIBVER ?= python$(PYTHON_VERSION) -INCLUDES = -I. -I$(top_builddir) -I/usr/include/$(PYLIBVER) -LIBS = $(top_builddir)/src/libcap-ng.la -pyexec_PYTHON = capng.py -pyexec_LTLIBRARIES = _capng.la -pyexec_SOLIBRARIES = _capng.so +AM_CFLAGS = -fPIC -DPIC $(PYTHON3_CFLAGS) +AM_CPPFLAGS = -I. -I$(top_builddir) $(PYTHON3_INCLUDES) +LIBS = ${top_builddir}/src/libcap-ng.la +SWIG_FLAGS = -python +SWIG_INCLUDES = ${AM_CPPFLAGS} +PYTHON = $(PYTHON3) +py3exec_PYTHON = capng.py +py3exec_LTLIBRARIES = _capng.la +py3exec_SOLIBRARIES = _capng.so _capng_la_CFLAGS = -shared -_capng_la_LDFLAGS = -module -avoid-version -shared +_capng_la_LDFLAGS = -module -avoid-version -Wl,-z,relro _capng_la_HEADERS: $(top_builddir)/config.h _capng_la_DEPENDENCIES =${top_srcdir}/src/cap-ng.h ${top_builddir}/src/libcap-ng.la +_capng_la_LIBADD = ${top_builddir}/src/libcap-ng.la nodist__capng_la_SOURCES = capng_wrap.c -capng.py capng_wrap.c: ${srcdir}/capng_swig.i caps.h capng.h - swig -o capng_wrap.c -python ${INCLUDES} ${srcdir}/capng_swig.i + +capng.py capng_wrap.c: ${srcdir}/../src/capng_swig.i caps.h capng.h + swig -o capng_wrap.c ${SWIG_FLAGS} ${SWIG_INCLUDES} ${srcdir}/../src/capng_swig.i caps.h: - cat /usr/include/linux/capability.h | grep '^#define CAP' | grep -v '[()]' > caps.h + cat $(CAPABILITY_HEADER) | grep '^#define CAP' | grep -v '[()]' > caps.h capng.h: cat ${top_srcdir}/src/cap-ng.h | grep -v '_state' > capng.h CLEANFILES = capng.py* capng_wrap.c caps.h capng.h *~ - +clean-local: + $(RM) -rf __pycache__ diff --git a/bindings/python3/test/Makefile.am b/bindings/python3/test/Makefile.am new file mode 100644 index 0000000..cb91800 --- /dev/null +++ b/bindings/python3/test/Makefile.am @@ -0,0 +1,27 @@ +# Makefile.am -- +# Copyright 2023 Red Hat Inc. +# All Rights Reserved. +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this program; see the file COPYING. If not, write to the +# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +# Boston, MA 02110-1335, USA. +# +# Authors: +# Steve Grubb <sgrubb@redhat.com> +# + +dist_check_SCRIPTS = capng-test.py +TESTS = $(dist_check_SCRIPTS) +TESTS_ENVIRONMENT = PYTHONPATH=${top_builddir}/bindings/python3/:${top_builddir}/bindings/python3/.libs + diff --git a/bindings/python/test/capng-test.py b/bindings/python3/test/capng-test.py index 89d1819..2c7443d 100755 --- a/bindings/python/test/capng-test.py +++ b/bindings/python3/test/capng-test.py @@ -1,4 +1,4 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 import os import sys @@ -8,7 +8,13 @@ if False: sys.path.insert(0, load_path) import capng + last = capng.CAP_LAST_CAP +try: + with open('/proc/sys/kernel/cap_last_cap', 'r') as f: + last = int(f.readline()) +except IOError as e: + print("Error opening /proc/sys/kernel/cap_last_cap: {0}".format(e.strerror)) print("Doing basic bit tests...") capng.capng_clear(capng.CAPNG_SELECT_BOTH) @@ -43,7 +49,7 @@ for i in range(last+1): if capng.capng_have_capabilities(capng.CAPNG_SELECT_CAPS) != capng.CAPNG_PARTIAL: print("Failed have capabilities test 1") sys.exit(1) - + capng.capng_fill(capng.CAPNG_SELECT_BOTH) rc = capng.capng_update(capng.CAPNG_DROP, capng.CAPNG_EFFECTIVE, i) if rc: diff --git a/bindings/python/test/Makefile.am b/bindings/src/Makefile.am index 5b82dc3..301ed0f 100644 --- a/bindings/python/test/Makefile.am +++ b/bindings/src/Makefile.am @@ -1,5 +1,5 @@ # Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. +# Copyright 2015 Red Hat Inc., Durham, North Carolina. # All Rights Reserved. # # This library is free software; you can redistribute it and/or @@ -20,7 +20,6 @@ # Steve Grubb <sgrubb@redhat.com> # -dist_check_SCRIPTS = capng-test.py -TESTS = $(dist_check_SCRIPTS) -TESTS_ENVIRONMENT = PYTHONPATH=${top_builddir}/bindings/python/:${top_builddir}/bindings/python/.libs - +EXTRA_DIST = capng_swig.i +SWIG_SOURCES = capng_swig.i +CONFIG_CLEAN_FILES = *.loT *.rej *.orig diff --git a/bindings/python/capng_swig.i b/bindings/src/capng_swig.i index 848d2a0..fcdaf18 100644 --- a/bindings/python/capng_swig.i +++ b/bindings/src/capng_swig.i @@ -1,5 +1,5 @@ /* capngswig.i -- - * Copyright 2009 Red Hat Inc., Durham, North Carolina. + * Copyright 2009 Red Hat Inc. * All Rights Reserved. * * This library is free software; you can redistribute it and/or @@ -12,9 +12,10 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU Lesser General Public License + * along with this program; see the file COPYING. If not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -25,13 +26,18 @@ #include "./capng.h" %} -%typemap(python,except) int { +#if defined(SWIGPYTHON) + +%varargs(16, signed capability = 0) capng_updatev; + +%except(python) { $action if (result < 0) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } } +#endif %define __signed__ signed diff --git a/compile b/compile deleted file mode 100755 index c0096a7..0000000 --- a/compile +++ /dev/null @@ -1,143 +0,0 @@ -#! /bin/sh -# Wrapper for compilers which do not understand `-c -o'. - -scriptversion=2009-10-06.20; # UTC - -# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009 Free Software -# Foundation, Inc. -# Written by Tom Tromey <tromey@cygnus.com>. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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Ake) contributed MIS and NILE. - if test "`(/bin/universe) 2>/dev/null`" = att ; then - echo pyramid-pyramid-sysv3 - else - echo pyramid-pyramid-bsd - fi - exit ;; - NILE*:*:*:dcosx) - echo pyramid-pyramid-svr4 - exit ;; - DRS?6000:unix:4.0:6*) - echo sparc-icl-nx6 - exit ;; - DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) - case `/usr/bin/uname -p` in - sparc) echo sparc-icl-nx7; exit ;; - esac ;; - s390x:SunOS:*:*) - echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4H:SunOS:5.*:*) - echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) - echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) - echo i386-pc-auroraux${UNAME_RELEASE} - exit ;; - i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) - eval $set_cc_for_build - SUN_ARCH="i386" - # If there is a compiler, see if it is configured for 64-bit objects. - # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. - # This test works for both compilers. - if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then - if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ - (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ - grep IS_64BIT_ARCH >/dev/null - then - SUN_ARCH="x86_64" - fi - fi - echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:6*:*) - # According to config.sub, this is the proper way to canonicalize - # SunOS6. Hard to guess exactly what SunOS6 will be like, but - # it's likely to be more like Solaris than SunOS4. - echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` - exit ;; - sun4*:SunOS:*:*) - case "`/usr/bin/arch -k`" in - Series*|S4*) - UNAME_RELEASE=`uname -v` - ;; - esac - # Japanese Language versions have a version number like `4.1.3-JL'. - echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` - exit ;; - sun3*:SunOS:*:*) - echo m68k-sun-sunos${UNAME_RELEASE} - exit ;; - sun*:*:4.2BSD:*) - UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` - test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 - case "`/bin/arch`" in - sun3) - echo m68k-sun-sunos${UNAME_RELEASE} - ;; - sun4) - echo sparc-sun-sunos${UNAME_RELEASE} - ;; - esac - exit ;; - aushp:SunOS:*:*) - echo sparc-auspex-sunos${UNAME_RELEASE} - exit ;; - # The situation for MiNT is a little confusing. The machine name - # can be virtually everything (everything which is not - # "atarist" or "atariste" at least should have a processor - # > m68000). The system name ranges from "MiNT" over "FreeMiNT" - # to the lowercase version "mint" (or "freemint"). Finally - # the system name "TOS" denotes a system which is actually not - # MiNT. But MiNT is downward compatible to TOS, so this should - # be no problem. - atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) - echo m68k-atari-mint${UNAME_RELEASE} - exit ;; - milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) - echo m68k-milan-mint${UNAME_RELEASE} - exit ;; - hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) - echo m68k-hades-mint${UNAME_RELEASE} - exit ;; - *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) - echo m68k-unknown-mint${UNAME_RELEASE} - exit ;; - m68k:machten:*:*) - echo m68k-apple-machten${UNAME_RELEASE} - exit ;; - powerpc:machten:*:*) - echo powerpc-apple-machten${UNAME_RELEASE} - exit ;; - RISC*:Mach:*:*) - echo mips-dec-mach_bsd4.3 - exit ;; - RISC*:ULTRIX:*:*) - echo mips-dec-ultrix${UNAME_RELEASE} - exit ;; - VAX*:ULTRIX*:*:*) - echo vax-dec-ultrix${UNAME_RELEASE} - exit ;; - 2020:CLIX:*:* | 2430:CLIX:*:*) - echo clipper-intergraph-clix${UNAME_RELEASE} - exit ;; - mips:*:*:UMIPS | mips:*:*:RISCos) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c -#ifdef __cplusplus -#include <stdio.h> /* for printf() prototype */ - int main (int argc, char *argv[]) { -#else - int main (argc, argv) int argc; char *argv[]; { -#endif - #if defined (host_mips) && defined (MIPSEB) - #if defined (SYSTYPE_SYSV) - printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_SVR4) - printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); - #endif - #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) - printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); - #endif - #endif - exit (-1); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && - dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && - SYSTEM_NAME=`$dummy $dummyarg` && - { echo "$SYSTEM_NAME"; exit; } - echo mips-mips-riscos${UNAME_RELEASE} - exit ;; - Motorola:PowerMAX_OS:*:*) - echo powerpc-motorola-powermax - exit ;; 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- Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) - echo m68k-tektronix-bsd - exit ;; - *:IRIX*:*:*) - echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` - exit ;; - ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. - echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id - exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' - i*86:AIX:*:*) - echo i386-ibm-aix - exit ;; - ia64:AIX:*:*) - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} - exit ;; - *:AIX:2:3) - if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <sys/systemcfg.h> - - main() - { - if (!__power_pc()) - exit(1); - puts("powerpc-ibm-aix3.2.5"); - exit(0); - } -EOF - if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` - then - echo "$SYSTEM_NAME" - else - echo rs6000-ibm-aix3.2.5 - fi - elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then - echo rs6000-ibm-aix3.2.4 - else - echo rs6000-ibm-aix3.2 - fi - exit ;; - *:AIX:*:[456]) - IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` - if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then - IBM_ARCH=rs6000 - else - IBM_ARCH=powerpc - fi - if [ -x /usr/bin/oslevel ] ; then - IBM_REV=`/usr/bin/oslevel` - else - IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} - fi - echo ${IBM_ARCH}-ibm-aix${IBM_REV} - exit ;; - *:AIX:*:*) - echo rs6000-ibm-aix - exit ;; - ibmrt:4.4BSD:*|romp-ibm:BSD:*) - echo romp-ibm-bsd4.4 - exit ;; - ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and - echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to - exit ;; # report: romp-ibm BSD 4.3 - *:BOSX:*:*) - echo rs6000-bull-bosx - exit ;; - DPX/2?00:B.O.S.:*:*) - echo m68k-bull-sysv3 - exit ;; - 9000/[34]??:4.3bsd:1.*:*) - echo m68k-hp-bsd - exit ;; - hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) - echo m68k-hp-bsd4.4 - exit ;; - 9000/[34678]??:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - case "${UNAME_MACHINE}" in - 9000/31? ) HP_ARCH=m68000 ;; - 9000/[34]?? ) HP_ARCH=m68k ;; - 9000/[678][0-9][0-9]) - if [ -x /usr/bin/getconf ]; then - sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` - sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` - case "${sc_cpu_version}" in - 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 - 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 - 532) # CPU_PA_RISC2_0 - case "${sc_kernel_bits}" in - 32) HP_ARCH="hppa2.0n" ;; - 64) HP_ARCH="hppa2.0w" ;; - '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 - esac ;; - esac - fi - if [ "${HP_ARCH}" = "" ]; then - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - - #define _HPUX_SOURCE - #include <stdlib.h> - #include <unistd.h> - - int main () - { - #if defined(_SC_KERNEL_BITS) - long bits = sysconf(_SC_KERNEL_BITS); - #endif - long cpu = sysconf (_SC_CPU_VERSION); - - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1"); break; - case CPU_PA_RISC2_0: - #if defined(_SC_KERNEL_BITS) - switch (bits) - { - case 64: puts ("hppa2.0w"); break; - case 32: puts ("hppa2.0n"); break; - default: puts ("hppa2.0"); break; - } break; - #else /* !defined(_SC_KERNEL_BITS) */ - puts ("hppa2.0"); break; - #endif - default: puts ("hppa1.0"); break; - } - exit (0); - } -EOF - (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` - test -z "$HP_ARCH" && HP_ARCH=hppa - fi ;; - esac - if [ ${HP_ARCH} = "hppa2.0w" ] - then - eval $set_cc_for_build - - # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating - # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler - # generating 64-bit code. GNU and HP use different nomenclature: - # - # $ CC_FOR_BUILD=cc ./config.guess - # => hppa2.0w-hp-hpux11.23 - # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess - # => hppa64-hp-hpux11.23 - - if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | - grep -q __LP64__ - then - HP_ARCH="hppa2.0w" - else - HP_ARCH="hppa64" - fi - fi - echo ${HP_ARCH}-hp-hpux${HPUX_REV} - exit ;; - ia64:HP-UX:*:*) - HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` - echo ia64-hp-hpux${HPUX_REV} - exit ;; - 3050*:HI-UX:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #include <unistd.h> - int - main () - { - long cpu = sysconf (_SC_CPU_VERSION); - /* The order matters, because CPU_IS_HP_MC68K erroneously returns - true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct - results, however. */ - if (CPU_IS_PA_RISC (cpu)) - { - switch (cpu) - { - case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; - case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; - case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; - default: puts ("hppa-hitachi-hiuxwe2"); break; - } - } - else if (CPU_IS_HP_MC68K (cpu)) - puts ("m68k-hitachi-hiuxwe2"); - else puts ("unknown-hitachi-hiuxwe2"); - exit (0); - } -EOF - $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - echo unknown-hitachi-hiuxwe2 - exit ;; - 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) - echo hppa1.1-hp-bsd - exit ;; - 9000/8??:4.3bsd:*:*) - echo hppa1.0-hp-bsd - exit ;; - *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) - echo hppa1.0-hp-mpeix - exit ;; - hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) - echo hppa1.1-hp-osf - exit ;; - hp8??:OSF1:*:*) - echo hppa1.0-hp-osf - exit ;; - i*86:OSF1:*:*) - if [ -x /usr/sbin/sysversion ] ; then - echo ${UNAME_MACHINE}-unknown-osf1mk - else - echo ${UNAME_MACHINE}-unknown-osf1 - fi - exit ;; - parisc*:Lites*:*:*) - echo hppa1.1-hp-lites - exit ;; - C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) - echo c1-convex-bsd - exit ;; - C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) - echo c34-convex-bsd - exit ;; - C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) - echo c38-convex-bsd - exit ;; - C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) - echo c4-convex-bsd - exit ;; - CRAY*Y-MP:*:*:*) - echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*[A-Z]90:*:*:*) - echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ - | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ - -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ - -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*TS:*:*:*) - echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*T3E:*:*:*) - echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - CRAY*SV1:*:*:*) - echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - *:UNICOS/mp:*:*) - echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' - exit ;; - F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) - FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` - echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - 5000:UNIX_System_V:4.*:*) - FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` - FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` - echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" - exit ;; - i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) - echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} - exit ;; - sparc*:BSD/OS:*:*) - echo sparc-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:BSD/OS:*:*) - echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} - exit ;; - *:FreeBSD:*:*) - case ${UNAME_MACHINE} in - pc98) - echo i386-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - amd64) - echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - *) - echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; - esac - exit ;; - i*:CYGWIN*:*) - echo ${UNAME_MACHINE}-pc-cygwin - exit ;; - *:MINGW*:*) - echo ${UNAME_MACHINE}-pc-mingw32 - exit ;; - i*:windows32*:*) - # uname -m includes "-pc" on this system. - echo ${UNAME_MACHINE}-mingw32 - exit ;; - i*:PW*:*) - echo ${UNAME_MACHINE}-pc-pw32 - exit ;; - *:Interix*:*) - case ${UNAME_MACHINE} in - x86) - echo i586-pc-interix${UNAME_RELEASE} - exit ;; - authenticamd | genuineintel | EM64T) - echo x86_64-unknown-interix${UNAME_RELEASE} - exit ;; - IA64) - echo ia64-unknown-interix${UNAME_RELEASE} - exit ;; - esac ;; - [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) - echo i${UNAME_MACHINE}-pc-mks - exit ;; - 8664:Windows_NT:*) - echo x86_64-pc-mks - exit ;; - i*:Windows_NT*:* | Pentium*:Windows_NT*:*) - # How do we know it's Interix rather than the generic POSIX subsystem? - # It also conflicts with pre-2.0 versions of AT&T UWIN. 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- PCA57) UNAME_MACHINE=alphapca56 ;; - EV6) UNAME_MACHINE=alphaev6 ;; - EV67) UNAME_MACHINE=alphaev67 ;; - EV68*) UNAME_MACHINE=alphaev68 ;; - esac - objdump --private-headers /bin/sh | grep -q ld.so.1 - if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi - echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC} - exit ;; - arm*:Linux:*:*) - eval $set_cc_for_build - if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ - | grep -q __ARM_EABI__ - then - echo ${UNAME_MACHINE}-unknown-linux-gnu - else - echo ${UNAME_MACHINE}-unknown-linux-gnueabi - fi - exit ;; - avr32*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - cris:Linux:*:*) - echo cris-axis-linux-gnu - exit ;; - crisv32:Linux:*:*) - echo crisv32-axis-linux-gnu - exit ;; - frv:Linux:*:*) - echo frv-unknown-linux-gnu - exit ;; - i*86:Linux:*:*) - LIBC=gnu - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #ifdef __dietlibc__ - LIBC=dietlibc - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC'` - echo "${UNAME_MACHINE}-pc-linux-${LIBC}" - exit ;; - ia64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m32r*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - m68*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - mips:Linux:*:* | mips64:Linux:*:*) - eval $set_cc_for_build - sed 's/^ //' << EOF >$dummy.c - #undef CPU - #undef ${UNAME_MACHINE} - #undef ${UNAME_MACHINE}el - #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) - CPU=${UNAME_MACHINE}el - #else - #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) - CPU=${UNAME_MACHINE} - #else - CPU= - #endif - #endif -EOF - eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` - test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; } - ;; - or32:Linux:*:*) - echo or32-unknown-linux-gnu - exit ;; - padre:Linux:*:*) - echo sparc-unknown-linux-gnu - exit ;; - parisc64:Linux:*:* | hppa64:Linux:*:*) - echo hppa64-unknown-linux-gnu - exit ;; - parisc:Linux:*:* | hppa:Linux:*:*) - # Look for CPU level - case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in - PA7*) echo hppa1.1-unknown-linux-gnu ;; - PA8*) echo hppa2.0-unknown-linux-gnu ;; - *) echo hppa-unknown-linux-gnu ;; - esac - exit ;; - ppc64:Linux:*:*) - echo powerpc64-unknown-linux-gnu - exit ;; - ppc:Linux:*:*) - echo powerpc-unknown-linux-gnu - exit ;; - s390:Linux:*:* | s390x:Linux:*:*) - echo ${UNAME_MACHINE}-ibm-linux - exit ;; - sh64*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sh*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - sparc:Linux:*:* | sparc64:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - vax:Linux:*:*) - echo ${UNAME_MACHINE}-dec-linux-gnu - exit ;; - x86_64:Linux:*:*) - echo x86_64-unknown-linux-gnu - exit ;; - xtensa*:Linux:*:*) - echo ${UNAME_MACHINE}-unknown-linux-gnu - exit ;; - i*86:DYNIX/ptx:4*:*) - # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. - # earlier versions are messed up and put the nodename in both - # sysname and nodename. - echo i386-sequent-sysv4 - exit ;; - i*86:UNIX_SV:4.2MP:2.*) - # Unixware is an offshoot of SVR4, but it has its own version - # number series starting with 2... - # I am not positive that other SVR4 systems won't match this, - # I just have to hope. -- rms. - # Use sysv4.2uw... so that sysv4* matches it. - echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} - exit ;; - i*86:OS/2:*:*) - # If we were able to find `uname', then EMX Unix compatibility - # is probably installed. - echo ${UNAME_MACHINE}-pc-os2-emx - exit ;; - i*86:XTS-300:*:STOP) - echo ${UNAME_MACHINE}-unknown-stop - exit ;; - i*86:atheos:*:*) - echo ${UNAME_MACHINE}-unknown-atheos - exit ;; - i*86:syllable:*:*) - echo ${UNAME_MACHINE}-pc-syllable - exit ;; - i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) - echo i386-unknown-lynxos${UNAME_RELEASE} - exit ;; - i*86:*DOS:*:*) - echo ${UNAME_MACHINE}-pc-msdosdjgpp - exit ;; - i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) - UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` - if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then - echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} - else - echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} - fi - exit ;; - i*86:*:5:[678]*) - # UnixWare 7.x, OpenUNIX and OpenServer 6. - case `/bin/uname -X | grep "^Machine"` in - *486*) UNAME_MACHINE=i486 ;; - *Pentium) UNAME_MACHINE=i586 ;; - *Pent*|*Celeron) UNAME_MACHINE=i686 ;; - esac - echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} - exit ;; - i*86:*:3.2:*) - if test -f /usr/options/cb.name; then - UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name` - echo ${UNAME_MACHINE}-pc-isc$UNAME_REL - elif /bin/uname -X 2>/dev/null >/dev/null ; then - UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` - (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 - (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ - && UNAME_MACHINE=i586 - (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ - && UNAME_MACHINE=i686 - (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ - && UNAME_MACHINE=i686 - echo ${UNAME_MACHINE}-pc-sco$UNAME_REL - else - echo ${UNAME_MACHINE}-pc-sysv32 - fi - exit ;; - pc:*:*:*) - # Left here for compatibility: - # uname -m prints for DJGPP always 'pc', but it prints nothing about - # the processor, so we play safe by assuming i586. - # Note: whatever this is, it MUST be the same as what config.sub - # prints for the "djgpp" host, or else GDB configury will decide that - # this is a cross-build. - echo i586-pc-msdosdjgpp - exit ;; - Intel:Mach:3*:*) - echo i386-pc-mach3 - exit ;; - paragon:*:*:*) - echo i860-intel-osf1 - exit ;; - i860:*:4.*:*) # i860-SVR4 - if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then - echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 - else # Add other i860-SVR4 vendors below as they are discovered. - echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 - fi - exit ;; - mini*:CTIX:SYS*5:*) - # "miniframe" - echo m68010-convergent-sysv - exit ;; - mc68k:UNIX:SYSTEM5:3.51m) - echo m68k-convergent-sysv - exit ;; - M680?0:D-NIX:5.3:*) - echo m68k-diab-dnix - exit ;; - M68*:*:R3V[5678]*:*) - test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; - 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) - OS_REL='' - test -r /etc/.relid \ - && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4.3${OS_REL}; exit; } - /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ - && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; - 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4; exit; } ;; - NCR*:*:4.2:* | MPRAS*:*:4.2:*) - OS_REL='.3' - test -r /etc/.relid \ - && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` - /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ - && { echo i486-ncr-sysv4.3${OS_REL}; exit; } - /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ - && { echo i586-ncr-sysv4.3${OS_REL}; exit; } - /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ - && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; - m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) - echo m68k-unknown-lynxos${UNAME_RELEASE} - exit ;; - mc68030:UNIX_System_V:4.*:*) - echo m68k-atari-sysv4 - exit ;; - TSUNAMI:LynxOS:2.*:*) - echo sparc-unknown-lynxos${UNAME_RELEASE} - exit ;; - rs6000:LynxOS:2.*:*) - echo rs6000-unknown-lynxos${UNAME_RELEASE} - exit ;; - PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) - echo powerpc-unknown-lynxos${UNAME_RELEASE} - exit ;; - SM[BE]S:UNIX_SV:*:*) - echo mips-dde-sysv${UNAME_RELEASE} - exit ;; - RM*:ReliantUNIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - RM*:SINIX-*:*:*) - echo mips-sni-sysv4 - exit ;; - *:SINIX-*:*:*) - if uname -p 2>/dev/null >/dev/null ; then - UNAME_MACHINE=`(uname -p) 2>/dev/null` - echo ${UNAME_MACHINE}-sni-sysv4 - else - echo ns32k-sni-sysv - fi - exit ;; - PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort - # says <Richard.M.Bartel@ccMail.Census.GOV> - echo i586-unisys-sysv4 - exit ;; - *:UNIX_System_V:4*:FTX*) - # From Gerald Hewes <hewes@openmarket.com>. - # How about differentiating between stratus architectures? -djm - echo hppa1.1-stratus-sysv4 - exit ;; - *:*:*:FTX*) - # From seanf@swdc.stratus.com. - echo i860-stratus-sysv4 - exit ;; - i*86:VOS:*:*) - # From Paul.Green@stratus.com. - echo ${UNAME_MACHINE}-stratus-vos - exit ;; - *:VOS:*:*) - # From Paul.Green@stratus.com. - echo hppa1.1-stratus-vos - exit ;; - mc68*:A/UX:*:*) - echo m68k-apple-aux${UNAME_RELEASE} - exit ;; - news*:NEWS-OS:6*:*) - echo mips-sony-newsos6 - exit ;; - R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) - if [ -d /usr/nec ]; then - echo mips-nec-sysv${UNAME_RELEASE} - else - echo mips-unknown-sysv${UNAME_RELEASE} - fi - exit ;; - BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. - echo powerpc-be-beos - exit ;; - BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. - echo powerpc-apple-beos - exit ;; - BePC:BeOS:*:*) # BeOS running on Intel PC compatible. - echo i586-pc-beos - exit ;; - BePC:Haiku:*:*) # Haiku running on Intel PC compatible. - echo i586-pc-haiku - exit ;; - SX-4:SUPER-UX:*:*) - echo sx4-nec-superux${UNAME_RELEASE} - exit ;; - SX-5:SUPER-UX:*:*) - echo sx5-nec-superux${UNAME_RELEASE} - exit ;; - SX-6:SUPER-UX:*:*) - echo sx6-nec-superux${UNAME_RELEASE} - exit ;; - SX-7:SUPER-UX:*:*) - echo sx7-nec-superux${UNAME_RELEASE} - exit ;; - SX-8:SUPER-UX:*:*) - echo sx8-nec-superux${UNAME_RELEASE} - exit ;; - SX-8R:SUPER-UX:*:*) - echo sx8r-nec-superux${UNAME_RELEASE} - exit ;; - Power*:Rhapsody:*:*) - echo powerpc-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Rhapsody:*:*) - echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} - exit ;; - *:Darwin:*:*) - UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown - case $UNAME_PROCESSOR in - i386) - eval $set_cc_for_build - if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then - if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ - (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ - grep IS_64BIT_ARCH >/dev/null - then - UNAME_PROCESSOR="x86_64" - fi - fi ;; - unknown) UNAME_PROCESSOR=powerpc ;; - esac - echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} - exit ;; - *:procnto*:*:* | *:QNX:[0123456789]*:*) - UNAME_PROCESSOR=`uname -p` - if test "$UNAME_PROCESSOR" = "x86"; then - UNAME_PROCESSOR=i386 - UNAME_MACHINE=pc - fi - echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} - exit ;; - *:QNX:*:4*) - echo i386-pc-qnx - exit ;; 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- SEI:*:*:SEIUX) - echo mips-sei-seiux${UNAME_RELEASE} - exit ;; - *:DragonFly:*:*) - echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` - exit ;; - *:*VMS:*:*) - UNAME_MACHINE=`(uname -p) 2>/dev/null` - case "${UNAME_MACHINE}" in - A*) echo alpha-dec-vms ; exit ;; - I*) echo ia64-dec-vms ; exit ;; - V*) echo vax-dec-vms ; exit ;; - esac ;; - *:XENIX:*:SysV) - echo i386-pc-xenix - exit ;; - i*86:skyos:*:*) - echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' - exit ;; - i*86:rdos:*:*) - echo ${UNAME_MACHINE}-pc-rdos - exit ;; - i*86:AROS:*:*) - echo ${UNAME_MACHINE}-pc-aros - exit ;; -esac - -#echo '(No uname command or uname output not recognized.)' 1>&2 -#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 - -eval $set_cc_for_build -cat >$dummy.c <<EOF -#ifdef _SEQUENT_ -# include <sys/types.h> -# include <sys/utsname.h> -#endif -main () -{ -#if defined (sony) -#if defined (MIPSEB) - /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, - I don't know.... */ - printf ("mips-sony-bsd\n"); exit (0); -#else -#include <sys/param.h> - printf ("m68k-sony-newsos%s\n", -#ifdef NEWSOS4 - "4" -#else - "" -#endif - ); exit (0); -#endif -#endif - -#if defined (__arm) && defined (__acorn) && defined (__unix) - printf ("arm-acorn-riscix\n"); exit (0); -#endif - -#if defined (hp300) && !defined (hpux) - printf ("m68k-hp-bsd\n"); exit (0); -#endif - -#if defined (NeXT) -#if !defined (__ARCHITECTURE__) -#define __ARCHITECTURE__ "m68k" -#endif - int version; - version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; - if (version < 4) - printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version); - else - printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version); - exit (0); -#endif - -#if defined (MULTIMAX) || defined (n16) -#if defined (UMAXV) - printf ("ns32k-encore-sysv\n"); exit (0); -#else -#if defined (CMU) - printf ("ns32k-encore-mach\n"); exit (0); -#else - printf ("ns32k-encore-bsd\n"); exit (0); -#endif -#endif -#endif - -#if defined (__386BSD__) - printf ("i386-pc-bsd\n"); exit (0); -#endif - -#if defined (sequent) -#if defined (i386) - printf ("i386-sequent-dynix\n"); exit (0); -#endif -#if defined (ns32000) - printf ("ns32k-sequent-dynix\n"); exit (0); -#endif -#endif - -#if defined (_SEQUENT_) - struct utsname un; - - uname(&un); - - if (strncmp(un.version, "V2", 2) == 0) { - printf ("i386-sequent-ptx2\n"); exit (0); - } - if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ - printf ("i386-sequent-ptx1\n"); exit (0); - } - printf ("i386-sequent-ptx\n"); exit (0); - -#endif - -#if defined (vax) -# if !defined (ultrix) -# include <sys/param.h> -# if defined (BSD) -# if BSD == 43 - printf ("vax-dec-bsd4.3\n"); exit (0); -# else -# if BSD == 199006 - printf ("vax-dec-bsd4.3reno\n"); exit (0); -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# endif -# else - printf ("vax-dec-bsd\n"); exit (0); -# endif -# else - printf ("vax-dec-ultrix\n"); exit (0); -# endif -#endif - -#if defined (alliant) && defined (i860) - printf ("i860-alliant-bsd\n"); exit (0); -#endif - - exit (1); -} -EOF - -$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && SYSTEM_NAME=`$dummy` && - { echo "$SYSTEM_NAME"; exit; } - -# Apollos put the system type in the environment. - -test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit; } - -# Convex versions that predate uname can use getsysinfo(1) - -if [ -x /usr/convex/getsysinfo ] -then - case `getsysinfo -f cpu_type` in - c1*) - echo c1-convex-bsd - exit ;; - c2*) - if getsysinfo -f scalar_acc - then echo c32-convex-bsd - else echo c2-convex-bsd - fi - exit ;; - c34*) - echo c34-convex-bsd - exit ;; - c38*) - echo c38-convex-bsd - exit ;; - c4*) - echo c4-convex-bsd - exit ;; - esac -fi - -cat >&2 <<EOF -$0: unable to guess system type - -This script, last modified $timestamp, has failed to recognize -the operating system you are using. It is advised that you -download the most up to date version of the config scripts from - - http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD -and - http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD - -If the version you run ($0) is already up to date, please -send the following data and any information you think might be -pertinent to <config-patches@gnu.org> in order to provide the needed -information to handle your system. - -config.guess timestamp = $timestamp - -uname -m = `(uname -m) 2>/dev/null || echo unknown` -uname -r = `(uname -r) 2>/dev/null || echo unknown` -uname -s = `(uname -s) 2>/dev/null || echo unknown` -uname -v = `(uname -v) 2>/dev/null || echo unknown` - -/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` -/bin/uname -X = `(/bin/uname -X) 2>/dev/null` - -hostinfo = `(hostinfo) 2>/dev/null` -/bin/universe = `(/bin/universe) 2>/dev/null` -/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` -/bin/arch = `(/bin/arch) 2>/dev/null` -/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` -/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` - -UNAME_MACHINE = ${UNAME_MACHINE} -UNAME_RELEASE = ${UNAME_RELEASE} -UNAME_SYSTEM = ${UNAME_SYSTEM} -UNAME_VERSION = ${UNAME_VERSION} -EOF - -exit 1 - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "timestamp='" -# time-stamp-format: "%:y-%02m-%02d" -# time-stamp-end: "'" -# End: diff --git a/config.h.in b/config.h.in deleted file mode 100644 index 5f0d0a0..0000000 --- a/config.h.in +++ /dev/null @@ -1,86 +0,0 @@ -/* config.h.in. Generated from configure.ac by autoheader. */ - -/* Define to 1 if you have the <attr/xattr.h> header file. */ -#undef HAVE_ATTR_XATTR_H - -/* Define to 1 if you have the <dlfcn.h> header file. */ -#undef HAVE_DLFCN_H - -/* Define to 1 if you have the <inttypes.h> header file. */ -#undef HAVE_INTTYPES_H - -/* Define to 1 if you have the <linux/capability.h> header file. */ -#undef HAVE_LINUX_CAPABILITY_H - -/* Define to 1 if you have the <linux/securebits.h> header file. */ -#undef HAVE_LINUX_SECUREBITS_H - -/* Define to 1 if you have the <memory.h> header file. */ -#undef HAVE_MEMORY_H - -/* Define to 1 if you have the <stdint.h> header file. */ -#undef HAVE_STDINT_H - -/* Define to 1 if you have the <stdlib.h> header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if you have the <strings.h> header file. */ -#undef HAVE_STRINGS_H - -/* Define to 1 if you have the <string.h> header file. */ -#undef HAVE_STRING_H - -/* Define to 1 if you have <sys/syscall.h>. */ -#undef HAVE_SYSCALL_H - -/* Define to 1 if you have the <sys/stat.h> header file. */ -#undef HAVE_SYS_STAT_H - -/* Define to 1 if you have the <sys/types.h> header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define to 1 if you have the <unistd.h> header file. */ -#undef HAVE_UNISTD_H - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#undef LT_OBJDIR - -/* Define to 1 if your C compiler doesn't accept -c and -o together. */ -#undef NO_MINUS_C_MINUS_O - -/* Name of package */ -#undef PACKAGE - -/* Define to the address where bug reports for this package should be sent. */ -#undef PACKAGE_BUGREPORT - -/* Define to the full name of this package. */ -#undef PACKAGE_NAME - -/* Define to the full name and version of this package. */ -#undef PACKAGE_STRING - -/* Define to the one symbol short name of this package. */ -#undef PACKAGE_TARNAME - -/* Define to the home page for this package. */ -#undef PACKAGE_URL - -/* Define to the version of this package. */ -#undef PACKAGE_VERSION - -/* Define to 1 if you have the ANSI C header files. */ -#undef STDC_HEADERS - -/* Version number of package */ -#undef VERSION - -/* Define to empty if `const' does not conform to ANSI C. */ -#undef const - -/* Define to `__inline__' or `__inline' if that's what the C compiler - calls it, or to nothing if 'inline' is not supported under any name. */ -#ifndef __cplusplus -#undef inline -#endif diff --git a/config.sub b/config.sub deleted file mode 100755 index 2a55a50..0000000 --- a/config.sub +++ /dev/null @@ -1,1705 +0,0 @@ -#! /bin/sh -# Configuration validation subroutine script. -# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -# 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 -# Free Software Foundation, Inc. - -timestamp='2009-11-20' - -# This file is (in principle) common to ALL GNU software. -# The presence of a machine in this file suggests that SOME GNU software -# can handle that machine. It does not imply ALL GNU software can. -# -# This file is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA -# 02110-1301, USA. -# -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - - -# Please send patches to <config-patches@gnu.org>. Submit a context -# diff and a properly formatted GNU ChangeLog entry. -# -# Configuration subroutine to validate and canonicalize a configuration type. -# Supply the specified configuration type as an argument. -# If it is invalid, we print an error message on stderr and exit with code 1. -# Otherwise, we print the canonical config type on stdout and succeed. - -# You can get the latest version of this script from: -# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD - -# This file is supposed to be the same for all GNU packages -# and recognize all the CPU types, system types and aliases -# that are meaningful with *any* GNU software. -# Each package is responsible for reporting which valid configurations -# it does not support. The user should be able to distinguish -# a failure to support a valid configuration from a meaningless -# configuration. - -# The goal of this file is to map all the various variations of a given -# machine specification into a single specification in the form: -# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM -# or in some cases, the newer four-part form: -# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM -# It is wrong to echo any other type of specification. - -me=`echo "$0" | sed -e 's,.*/,,'` - -usage="\ -Usage: $0 [OPTION] CPU-MFR-OPSYS - $0 [OPTION] ALIAS - -Canonicalize a configuration name. - -Operation modes: - -h, --help print this help, then exit - -t, --time-stamp print date of last modification, then exit - -v, --version print version number, then exit - -Report bugs and patches to <config-patches@gnu.org>." - -version="\ -GNU config.sub ($timestamp) - -Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, -2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. - -This is free software; see the source for copying conditions. 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- -windowsnt*) - os=`echo $os | sed -e 's/windowsnt/winnt/'` - ;; - -psos*) - os=-psos - ;; - -mint | -mint[0-9]*) - basic_machine=m68k-atari - os=-mint - ;; -esac - -# Decode aliases for certain CPU-COMPANY combinations. -case $basic_machine in - # Recognize the basic CPU types without company name. - # Some are omitted here because they have special meanings below. - 1750a | 580 \ - | a29k \ - | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ - | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ - | am33_2.0 \ - | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \ - | bfin \ - | c4x | clipper \ - | d10v | d30v | dlx | dsp16xx \ - | fido | fr30 | frv \ - | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ - | i370 | i860 | i960 | ia64 \ - | ip2k | iq2000 \ - | lm32 \ - | m32c | m32r | m32rle | m68000 | m68k | m88k \ - | maxq | mb | microblaze | mcore | mep | metag \ - | mips | mipsbe | mipseb | mipsel | mipsle \ - | mips16 \ - | mips64 | mips64el \ - | mips64octeon | mips64octeonel \ - | mips64orion | mips64orionel \ - | mips64r5900 | mips64r5900el \ - | mips64vr | mips64vrel \ - | mips64vr4100 | mips64vr4100el \ - | mips64vr4300 | mips64vr4300el \ - | mips64vr5000 | mips64vr5000el \ - | mips64vr5900 | mips64vr5900el \ - | mipsisa32 | mipsisa32el \ - | mipsisa32r2 | mipsisa32r2el \ - | mipsisa64 | mipsisa64el \ - | mipsisa64r2 | mipsisa64r2el \ - | mipsisa64sb1 | mipsisa64sb1el \ - | mipsisa64sr71k | mipsisa64sr71kel \ - | mipstx39 | mipstx39el \ - | mn10200 | mn10300 \ - | moxie \ - | mt \ - | msp430 \ - | nios | nios2 \ - | ns16k | ns32k \ - | or32 \ - | pdp10 | pdp11 | pj | pjl \ - | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \ - | pyramid \ - | rx \ - | score \ - | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ - | sh64 | sh64le \ - | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ - | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ - | spu | strongarm \ - | tahoe | thumb | tic4x | tic80 | tron \ - | ubicom32 \ - | v850 | v850e \ - | we32k \ - | x86 | xc16x | xscale | xscalee[bl] | xstormy16 | xtensa \ - | z8k | z80) - basic_machine=$basic_machine-unknown - ;; - m6811 | m68hc11 | m6812 | m68hc12 | picochip) - # Motorola 68HC11/12. - basic_machine=$basic_machine-unknown - os=-none - ;; - m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) - ;; - ms1) - basic_machine=mt-unknown - ;; - - # We use `pc' rather than `unknown' - # because (1) that's what they normally are, and - # (2) the word "unknown" tends to confuse beginning users. - i*86 | x86_64) - basic_machine=$basic_machine-pc - ;; - # Object if more than one company name word. - *-*-*) - echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 - exit 1 - ;; - # Recognize the basic CPU types with company name. - 580-* \ - | a29k-* \ - | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ - | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ - | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \ - | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ - | avr-* | avr32-* \ - | bfin-* | bs2000-* \ - | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \ - | clipper-* | craynv-* | cydra-* \ - | d10v-* | d30v-* | dlx-* \ - | elxsi-* \ - | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ - | h8300-* | h8500-* \ - | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ - | i*86-* | i860-* | i960-* | ia64-* \ - | ip2k-* | iq2000-* \ - | lm32-* \ - | m32c-* | m32r-* | m32rle-* \ - | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ - | m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \ - | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ - | mips16-* \ - | mips64-* | mips64el-* \ - | mips64octeon-* | mips64octeonel-* \ - | mips64orion-* | mips64orionel-* \ - | mips64r5900-* | mips64r5900el-* \ - | mips64vr-* | mips64vrel-* \ - | mips64vr4100-* | mips64vr4100el-* \ - | mips64vr4300-* | mips64vr4300el-* \ - | mips64vr5000-* | mips64vr5000el-* \ - | mips64vr5900-* | mips64vr5900el-* \ - | mipsisa32-* | mipsisa32el-* \ - | mipsisa32r2-* | mipsisa32r2el-* \ - | mipsisa64-* | mipsisa64el-* \ - | mipsisa64r2-* | mipsisa64r2el-* \ - | mipsisa64sb1-* | mipsisa64sb1el-* \ - | mipsisa64sr71k-* | mipsisa64sr71kel-* \ - | mipstx39-* | mipstx39el-* \ - | mmix-* \ - | mt-* \ - | msp430-* \ - | nios-* | nios2-* \ - | none-* | np1-* | ns16k-* | ns32k-* \ - | orion-* \ - | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ - | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \ - | pyramid-* \ - | romp-* | rs6000-* | rx-* \ - | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ - | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ - | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ - | sparclite-* \ - | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | strongarm-* | sv1-* | sx?-* \ - | tahoe-* | thumb-* \ - | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* | tile-* \ - | tron-* \ - | ubicom32-* \ - | v850-* | v850e-* | vax-* \ - | we32k-* \ - | x86-* | x86_64-* | xc16x-* | xps100-* | xscale-* | xscalee[bl]-* \ - | xstormy16-* | xtensa*-* \ - | ymp-* \ - | z8k-* | z80-*) - ;; - # Recognize the basic CPU types without company name, with glob match. - xtensa*) - basic_machine=$basic_machine-unknown - ;; - # Recognize the various machine names and aliases which stand - # for a CPU type and a company and sometimes even an OS. - 386bsd) - basic_machine=i386-unknown - os=-bsd - ;; - 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) - basic_machine=m68000-att - ;; - 3b*) - basic_machine=we32k-att - ;; - a29khif) - basic_machine=a29k-amd - os=-udi - ;; - abacus) - basic_machine=abacus-unknown - ;; - adobe68k) - basic_machine=m68010-adobe - os=-scout - ;; - alliant | fx80) - basic_machine=fx80-alliant - ;; - altos | altos3068) - basic_machine=m68k-altos - ;; - am29k) - basic_machine=a29k-none - os=-bsd - ;; - amd64) - basic_machine=x86_64-pc - ;; - amd64-*) - basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - amdahl) - basic_machine=580-amdahl - os=-sysv - ;; - amiga | amiga-*) - basic_machine=m68k-unknown - ;; - amigaos | amigados) - basic_machine=m68k-unknown - os=-amigaos - ;; - amigaunix | amix) - basic_machine=m68k-unknown - os=-sysv4 - ;; - apollo68) - basic_machine=m68k-apollo - os=-sysv - ;; - apollo68bsd) - basic_machine=m68k-apollo - os=-bsd - ;; - aros) - basic_machine=i386-pc - os=-aros - ;; - aux) - basic_machine=m68k-apple - os=-aux - ;; - balance) - basic_machine=ns32k-sequent - os=-dynix - ;; - blackfin) - basic_machine=bfin-unknown - os=-linux - ;; - blackfin-*) - basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` - os=-linux - ;; - bluegene*) - basic_machine=powerpc-ibm - os=-cnk - ;; - c90) - basic_machine=c90-cray - os=-unicos - ;; - cegcc) - basic_machine=arm-unknown - os=-cegcc - ;; - convex-c1) - basic_machine=c1-convex - os=-bsd - ;; - convex-c2) - basic_machine=c2-convex - os=-bsd - ;; - convex-c32) - basic_machine=c32-convex - os=-bsd - ;; - convex-c34) - basic_machine=c34-convex - os=-bsd - ;; - convex-c38) - basic_machine=c38-convex - os=-bsd - ;; - cray | j90) - basic_machine=j90-cray - os=-unicos - ;; - craynv) - basic_machine=craynv-cray - os=-unicosmp - ;; - cr16) - basic_machine=cr16-unknown - os=-elf - ;; - crds | unos) - basic_machine=m68k-crds - ;; - crisv32 | crisv32-* | etraxfs*) - basic_machine=crisv32-axis - ;; - cris | cris-* | etrax*) - basic_machine=cris-axis - ;; - crx) - basic_machine=crx-unknown - os=-elf - ;; - da30 | da30-*) - basic_machine=m68k-da30 - ;; - decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) - basic_machine=mips-dec - ;; - decsystem10* | dec10*) - basic_machine=pdp10-dec - os=-tops10 - ;; - decsystem20* | dec20*) - basic_machine=pdp10-dec - os=-tops20 - ;; - delta | 3300 | motorola-3300 | motorola-delta \ - | 3300-motorola | delta-motorola) - basic_machine=m68k-motorola - ;; - delta88) - basic_machine=m88k-motorola - os=-sysv3 - ;; - dicos) - basic_machine=i686-pc - os=-dicos - ;; - djgpp) - basic_machine=i586-pc - os=-msdosdjgpp - ;; - dpx20 | dpx20-*) - basic_machine=rs6000-bull - os=-bosx - ;; - dpx2* | dpx2*-bull) - basic_machine=m68k-bull - os=-sysv3 - ;; - ebmon29k) - basic_machine=a29k-amd - os=-ebmon - ;; - elxsi) - basic_machine=elxsi-elxsi - os=-bsd - ;; - encore | umax | mmax) - basic_machine=ns32k-encore - ;; - es1800 | OSE68k | ose68k | ose | OSE) - basic_machine=m68k-ericsson - os=-ose - ;; - fx2800) - basic_machine=i860-alliant - ;; - genix) - basic_machine=ns32k-ns - ;; - gmicro) - basic_machine=tron-gmicro - os=-sysv - ;; - go32) - basic_machine=i386-pc - os=-go32 - ;; - h3050r* | hiux*) - basic_machine=hppa1.1-hitachi - os=-hiuxwe2 - ;; - h8300hms) - basic_machine=h8300-hitachi - os=-hms - ;; - h8300xray) - basic_machine=h8300-hitachi - os=-xray - ;; - h8500hms) - basic_machine=h8500-hitachi - os=-hms - ;; - harris) - basic_machine=m88k-harris - os=-sysv3 - ;; - hp300-*) - basic_machine=m68k-hp - ;; - hp300bsd) - basic_machine=m68k-hp - os=-bsd - ;; - hp300hpux) - basic_machine=m68k-hp - os=-hpux - ;; - hp3k9[0-9][0-9] | hp9[0-9][0-9]) - basic_machine=hppa1.0-hp - ;; - hp9k2[0-9][0-9] | hp9k31[0-9]) - basic_machine=m68000-hp - ;; - hp9k3[2-9][0-9]) - basic_machine=m68k-hp - ;; - hp9k6[0-9][0-9] | hp6[0-9][0-9]) - basic_machine=hppa1.0-hp - ;; - hp9k7[0-79][0-9] | hp7[0-79][0-9]) - basic_machine=hppa1.1-hp - ;; - hp9k78[0-9] | hp78[0-9]) - # FIXME: really hppa2.0-hp - basic_machine=hppa1.1-hp - ;; - hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) - # FIXME: really hppa2.0-hp - basic_machine=hppa1.1-hp - ;; - hp9k8[0-9][13679] | hp8[0-9][13679]) - basic_machine=hppa1.1-hp - ;; - hp9k8[0-9][0-9] | hp8[0-9][0-9]) - basic_machine=hppa1.0-hp - ;; - hppa-next) - os=-nextstep3 - ;; - hppaosf) - basic_machine=hppa1.1-hp - os=-osf - ;; - hppro) - basic_machine=hppa1.1-hp - os=-proelf - ;; - i370-ibm* | ibm*) - basic_machine=i370-ibm - ;; -# I'm not sure what "Sysv32" means. Should this be sysv3.2? - i*86v32) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-sysv32 - ;; - i*86v4*) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-sysv4 - ;; - i*86v) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-sysv - ;; - i*86sol2) - basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` - os=-solaris2 - ;; - i386mach) - basic_machine=i386-mach - os=-mach - ;; - i386-vsta | vsta) - basic_machine=i386-unknown - os=-vsta - ;; - iris | iris4d) - basic_machine=mips-sgi - case $os in - -irix*) - ;; - *) - os=-irix4 - ;; - esac - ;; - isi68 | isi) - basic_machine=m68k-isi - os=-sysv - ;; - m68knommu) - basic_machine=m68k-unknown - os=-linux - ;; - m68knommu-*) - basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` - os=-linux - ;; - m88k-omron*) - basic_machine=m88k-omron - ;; - magnum | m3230) - basic_machine=mips-mips - os=-sysv - ;; - merlin) - basic_machine=ns32k-utek - os=-sysv - ;; - microblaze) - basic_machine=microblaze-xilinx - ;; - mingw32) - basic_machine=i386-pc - os=-mingw32 - ;; - mingw32ce) - basic_machine=arm-unknown - os=-mingw32ce - ;; - miniframe) - basic_machine=m68000-convergent - ;; - *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) - basic_machine=m68k-atari - os=-mint - ;; - mips3*-*) - basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` - ;; - mips3*) - basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown - ;; - monitor) - basic_machine=m68k-rom68k - os=-coff - ;; - morphos) - basic_machine=powerpc-unknown - os=-morphos - ;; - msdos) - basic_machine=i386-pc - os=-msdos - ;; - ms1-*) - basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` - ;; - mvs) - basic_machine=i370-ibm - os=-mvs - ;; - ncr3000) - basic_machine=i486-ncr - os=-sysv4 - ;; - netbsd386) - basic_machine=i386-unknown - os=-netbsd - ;; - netwinder) - basic_machine=armv4l-rebel - os=-linux - ;; - news | news700 | news800 | news900) - basic_machine=m68k-sony - os=-newsos - ;; - news1000) - basic_machine=m68030-sony - os=-newsos - ;; - news-3600 | risc-news) - basic_machine=mips-sony - os=-newsos - ;; - necv70) - basic_machine=v70-nec - os=-sysv - ;; - next | m*-next ) - basic_machine=m68k-next - case $os in - -nextstep* ) - ;; - -ns2*) - os=-nextstep2 - ;; - *) - os=-nextstep3 - ;; - esac - ;; - nh3000) - basic_machine=m68k-harris - os=-cxux - ;; - nh[45]000) - basic_machine=m88k-harris - os=-cxux - ;; - nindy960) - basic_machine=i960-intel - os=-nindy - ;; - mon960) - basic_machine=i960-intel - os=-mon960 - ;; - nonstopux) - basic_machine=mips-compaq - os=-nonstopux - ;; - np1) - basic_machine=np1-gould - ;; - nsr-tandem) - basic_machine=nsr-tandem - ;; - op50n-* | op60c-*) - basic_machine=hppa1.1-oki - os=-proelf - ;; - openrisc | openrisc-*) - basic_machine=or32-unknown - ;; - os400) - basic_machine=powerpc-ibm - os=-os400 - ;; - OSE68000 | ose68000) - basic_machine=m68000-ericsson - os=-ose - ;; - os68k) - basic_machine=m68k-none - os=-os68k - ;; - pa-hitachi) - basic_machine=hppa1.1-hitachi - os=-hiuxwe2 - ;; - paragon) - basic_machine=i860-intel - os=-osf - ;; - parisc) - basic_machine=hppa-unknown - os=-linux - ;; - parisc-*) - basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` - os=-linux - ;; - pbd) - basic_machine=sparc-tti - ;; - pbb) - basic_machine=m68k-tti - ;; - pc532 | pc532-*) - basic_machine=ns32k-pc532 - ;; - pc98) - basic_machine=i386-pc - ;; - pc98-*) - basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pentium | p5 | k5 | k6 | nexgen | viac3) - basic_machine=i586-pc - ;; - pentiumpro | p6 | 6x86 | athlon | athlon_*) - basic_machine=i686-pc - ;; - pentiumii | pentium2 | pentiumiii | pentium3) - basic_machine=i686-pc - ;; - pentium4) - basic_machine=i786-pc - ;; - pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) - basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pentiumpro-* | p6-* | 6x86-* | athlon-*) - basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) - basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pentium4-*) - basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - pn) - basic_machine=pn-gould - ;; - power) basic_machine=power-ibm - ;; - ppc) basic_machine=powerpc-unknown - ;; - ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ppcle | powerpclittle | ppc-le | powerpc-little) - basic_machine=powerpcle-unknown - ;; - ppcle-* | powerpclittle-*) - basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ppc64) basic_machine=powerpc64-unknown - ;; - ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ppc64le | powerpc64little | ppc64-le | powerpc64-little) - basic_machine=powerpc64le-unknown - ;; - ppc64le-* | powerpc64little-*) - basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` - ;; - ps2) - basic_machine=i386-ibm - ;; - pw32) - basic_machine=i586-unknown - os=-pw32 - ;; - rdos) - basic_machine=i386-pc - os=-rdos - ;; - rom68k) - basic_machine=m68k-rom68k - os=-coff - ;; - rm[46]00) - basic_machine=mips-siemens - ;; - rtpc | rtpc-*) - basic_machine=romp-ibm - ;; - s390 | s390-*) - basic_machine=s390-ibm - ;; - s390x | s390x-*) - basic_machine=s390x-ibm - ;; - sa29200) - basic_machine=a29k-amd - os=-udi - ;; - sb1) - basic_machine=mipsisa64sb1-unknown - ;; - sb1el) - basic_machine=mipsisa64sb1el-unknown - ;; - sde) - basic_machine=mipsisa32-sde - os=-elf - ;; - sei) - basic_machine=mips-sei - os=-seiux - ;; - sequent) - basic_machine=i386-sequent - ;; - sh) - basic_machine=sh-hitachi - os=-hms - ;; - sh5el) - basic_machine=sh5le-unknown - ;; - sh64) - basic_machine=sh64-unknown - ;; - sparclite-wrs | simso-wrs) - basic_machine=sparclite-wrs - os=-vxworks - ;; - sps7) - basic_machine=m68k-bull - os=-sysv2 - ;; - spur) - basic_machine=spur-unknown - ;; - st2000) - basic_machine=m68k-tandem - ;; - stratus) - basic_machine=i860-stratus - os=-sysv4 - ;; - sun2) - basic_machine=m68000-sun - ;; - sun2os3) - basic_machine=m68000-sun - os=-sunos3 - ;; - sun2os4) - basic_machine=m68000-sun - os=-sunos4 - ;; - sun3os3) - basic_machine=m68k-sun - os=-sunos3 - ;; 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If nonempty, add APPEND to the result, -# otherwise set result to NONDIR_REPLACEMENT. -func_dirname () -{ - # Extract subdirectory from the argument. - func_dirname_result=`$ECHO "${1}" | $SED "$dirname"` - if test "X$func_dirname_result" = "X${1}"; then - func_dirname_result="${3}" - else - func_dirname_result="$func_dirname_result${2}" - fi -} - -# func_basename file -func_basename () -{ - func_basename_result=`$ECHO "${1}" | $SED "$basename"` -} - - -# func_stripname prefix suffix name -# strip PREFIX and SUFFIX off of NAME. -# PREFIX and SUFFIX must not contain globbing or regex special -# characters, hashes, percent signs, but SUFFIX may contain a leading -# dot (in which case that matches only a dot). -# func_strip_suffix prefix name -func_stripname () -{ - case ${2} in - .*) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%\\\\${2}\$%%"`;; - *) func_stripname_result=`$ECHO "${3}" | $SED "s%^${1}%%; s%${2}\$%%"`;; - esac -} - -# sed scripts: -my_sed_long_opt='1s/^\(-[^=]*\)=.*/\1/;q' -my_sed_long_arg='1s/^-[^=]*=//' - -# func_opt_split -func_opt_split () -{ - func_opt_split_opt=`$ECHO "${1}" | $SED "$my_sed_long_opt"` - func_opt_split_arg=`$ECHO "${1}" | $SED "$my_sed_long_arg"` -} - -# func_lo2o object -func_lo2o () -{ - func_lo2o_result=`$ECHO "${1}" | $SED "$lo2o"` -} - -# func_xform libobj-or-source -func_xform () -{ - func_xform_result=`$ECHO "${1}" | $SED 's/\.[^.]*$/.lo/'` -} - -# func_arith arithmetic-term... -func_arith () -{ - func_arith_result=`expr "$@"` -} - -# func_len string -# STRING may not start with a hyphen. -func_len () -{ - func_len_result=`expr "$1" : ".*" 2>/dev/null || echo $max_cmd_len` -} - -_LT_EOF -esac - -case $lt_shell_append in - yes) - cat << \_LT_EOF >> "$cfgfile" - -# func_append var value -# Append VALUE to the end of shell variable VAR. -func_append () -{ - eval "$1+=\$2" -} -_LT_EOF - ;; - *) - cat << \_LT_EOF >> "$cfgfile" - -# func_append var value -# Append VALUE to the end of shell variable VAR. -func_append () -{ - eval "$1=\$$1\$2" -} - -_LT_EOF - ;; - esac - - - sed -n '/^# Generated shell functions inserted here/,$p' "$ltmain" >> "$cfgfile" \ - || (rm -f "$cfgfile"; exit 1) - - mv -f "$cfgfile" "$ofile" || - (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile") - chmod +x "$ofile" - - ;; - - esac -done # for ac_tag - - -as_fn_exit 0 -_ACEOF -ac_clean_files=$ac_clean_files_save - -test $ac_write_fail = 0 || - as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 - - -# configure is writing to config.log, and then calls config.status. -# config.status does its own redirection, appending to config.log. -# Unfortunately, on DOS this fails, as config.log is still kept open -# by configure, so config.status won't be able to write to it; its -# output is simply discarded. So we exec the FD to /dev/null, -# effectively closing config.log, so it can be properly (re)opened and -# appended to by config.status. When coming back to configure, we -# need to make the FD available again. -if test "$no_create" != yes; then - ac_cs_success=: - ac_config_status_args= - test "$silent" = yes && - ac_config_status_args="$ac_config_status_args --quiet" - exec 5>/dev/null - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false - exec 5>>config.log - # Use ||, not &&, to avoid exiting from the if with $? = 1, which - # would make configure fail if this is the last instruction. - $ac_cs_success || as_fn_exit 1 -fi -if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 -$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} -fi - - -echo . -echo " - - libcap-ng Version: $VERSION - Target: $target - Installation prefix: $prefix - Compiler: $CC - Compiler flags: -`echo $CFLAGS | fmt -w 50 | sed 's,^, ,'` -" diff --git a/configure.ac b/configure.ac index 2306803..bc37edb 100644 --- a/configure.ac +++ b/configure.ac @@ -1,7 +1,8 @@ + dnl define([AC_INIT_NOTICE], [### Generated automatically using autoconf version] AC_ACVERSION [ -### Copyright 2009,2010 Steve Grubb <sgrubb@redhat.com> +### Copyright 2009-2023 Steve Grubb <sgrubb@redhat.com> ### ### Permission is hereby granted, free of charge, to any person obtaining a ### copy of this software and associated documentation files (the "Software"), @@ -29,15 +30,16 @@ define([AC_INIT_NOTICE], ]) AC_REVISION($Revision: 1.3 $)dnl -AC_INIT(libcap-ng,0.6.6) -AC_PREREQ(2.12)dnl -AM_CONFIG_HEADER(config.h) +AC_INIT([libcap-ng],[0.8.4]) +AC_PREREQ([2.50])dnl +AC_CONFIG_HEADERS([config.h]) +AC_CONFIG_MACRO_DIR([m4]) echo Configuring libcap-ng $VERSION AC_CANONICAL_TARGET AM_INIT_AUTOMAKE -AM_PROG_LIBTOOL +LT_INIT AC_SUBST(LIBTOOL_DEPS) echo . @@ -49,14 +51,23 @@ AC_PROG_AWK echo . echo Checking for header files -AC_HEADER_STDC AC_CHECK_HEADERS(linux/capability.h, [], [AC_MSG_ERROR(linux/capability.h is required in order to build libcap-ng.)]) -AC_CHECK_HEADERS(attr/xattr.h, [], [AC_MSG_WARN(attr/xattr.h not found, disabling file system capabilities.)]) +AC_CHECK_HEADERS(sys/xattr.h, [], [ + AC_CHECK_HEADERS(attr/xattr.h, [], [AC_MSG_WARN(attr/xattr.h not found, disabling file system capabilities.)]) + ]) AC_CHECK_HEADERS(linux/securebits.h, [], []) - -AC_C_CONST -AC_C_INLINE -AM_PROG_CC_C_O +AC_CHECK_HEADERS(pthread.h, + [AC_SEARCH_LIBS(pthread_atfork, pthread)], + [AC_MSG_WARN(pthread.h not found, disabling pthread_atfork.)]) +AC_CHECK_HEADERS(sys/vfs.h, [ + AC_CHECK_HEADERS(linux/magic.h, [], [AC_MSG_WARN(linux/magic.h is required in order to verify procfs.)]) + ], [AC_MSG_WARN(sys/vfs.h is required in order to verify procfs.)]) + +AC_ARG_WITH([capability_header], + [AS_HELP_STRING([--with-capability_header=path : path to capability.h])], + [CAPABILITY_HEADER=$withval], + [CAPABILITY_HEADER=/usr/include/linux/capability.h]) +AC_SUBST(CAPABILITY_HEADER) ALLWARNS="" ALLDEBUG="-g" @@ -88,6 +99,18 @@ fi ], [ DEBUG="-DNDEBUG"; AM_CONDITIONAL(DEBUG, false) ]) +AC_MSG_CHECKING(__attr_dealloc_free support) +AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[ + #include <stdio.h> + extern char *test(const char *name) __attr_dealloc_free; + int main(void) { return 0; }]])], + [DEALLOC="yes"], + [DEALLOC="no"] +) +AC_MSG_RESULT($DEALLOC) + AC_ARG_WITH(warn, [ --with-warn turn on warnings [[default=yes]]], [ @@ -99,45 +122,91 @@ fi ],WARNS="$ALLWARNS") AC_SUBST(DEBUG) +WFLAGS="" +AC_MSG_CHECKING(for -Wformat-truncation) +TMPCFLAGS="${CFLAGS}" +CFLAGS="${CFLAGS} -Wformat-truncation" +AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[WFLAGS="-Wno-format-truncation" + AC_MSG_RESULT(yes)], + [AC_MSG_RESULT(no)]) +CFLAGS="${TMPCFLAGS}" +AC_SUBST(WFLAGS) + AC_CHECK_HEADER(sys/syscall.h, [AC_DEFINE([HAVE_SYSCALL_H], [1], [Define to 1 if you have <sys/syscall.h>.])], [],) +dnl; This is to record in the build logs what options are being taken +AC_CHECK_DECLS([PR_CAP_AMBIENT], [], [], [[#include <sys/prctl.h>]]) +AC_CHECK_DECLS([VFS_CAP_REVISION_2], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([VFS_CAP_REVISION_3], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([CAP_EPOLLWAKEUP], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([CAP_WAKE_ALARM], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([CAP_BLOCK_SUSPEND], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([CAP_AUDIT_READ], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([CAP_PERFMON], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([CAP_BPF], [], [], [[#include <linux/capability.h>]]) +AC_CHECK_DECLS([CAP_CHECKPOINT_RESTORE], [], [], [[#include <linux/capability.h>]]) + +dnl only build libdrop_ambient if support for ambient capabilities was found (which is normal) +if test x"${ac_cv_have_decl_PR_CAP_AMBIENT}" = x"no" ; then + AC_MSG_WARN("PR_CAP_AMBIENT not available - libdrop_ambient will not be built") +fi +AM_CONDITIONAL(BUILD_LIBDROP_AMBIENT, test x"${ac_cv_have_decl_PR_CAP_AMBIENT}" = x"yes") + AC_CHECK_PROG(swig_found, swig, yes, no) if test x"${swig_found}" = x"no" ; then AC_MSG_WARN("Swig not found - python bindings will not be made") fi AM_CONDITIONAL(HAVE_SWIG, test x"${swig_found}" = x"yes") -AC_MSG_CHECKING(whether to create python bindings) -AC_ARG_WITH(python, -AS_HELP_STRING([--with-python],[enable building python bindings]), -use_python=$withval, -use_python=auto) -if test x$use_python = xno ; then - python_found="no" +withval="" +AC_MSG_CHECKING(whether to create python3 bindings) +AC_ARG_WITH(python3, +AS_HELP_STRING([--with-python3],[enable building python3 bindings]), +use_python3=$withval, +use_python3=auto) +if test x$use_python3 = xno ; then AC_MSG_RESULT(no) else -AC_MSG_RESULT(testing) -AM_PATH_PYTHON -if test -f /usr/include/python${am_cv_python_version}/Python.h ; then - python_found="yes" - AC_MSG_NOTICE(Python bindings will be built) -else - python_found="no" - if test x$use_python = xyes ; then - AC_MSG_ERROR([Python explicitly required and python headers found]) + AC_MSG_RESULT(investigating) + AC_PATH_PROG([use_python3], [python3-config], [no]) + if test ${use_python3} = no ; then + if test ${withval} = yes ; then + echo "Python3 bindings were selected but python3-config was not found." + echo "Please ensure that it's installed or pass --without-python3 to ./configure" + exit 1 + fi + echo "Python3 bindings will NOT be built" else - AC_MSG_WARN("Python headers not found - python bindings will not be made") + echo "Python3 bindings WILL be built" + use_python3=yes + AC_PATH_PROG([PYTHON3], [python3], [no]) + if test "x$PYTHON3" == "xno" ; then + echo "The python3 program was not found in the search path. Please ensure" + echo "that it is installed and its directory is included in the search path or" + echo "pass --without-python3 to ./configure." + exit 1 + fi + PYTHON3_CFLAGS=`python3-config --cflags 2> /dev/null` + PYTHON3_LIBS=`python3-config --libs 2> /dev/null` + PYTHON3_INCLUDES=`python3-config --includes 2> /dev/null` + AC_SUBST([PYTHON3_PREFIX], ['${prefix}']) + PYTHON3_EXECDIR=`$PYTHON3 -c "import sysconfig; print(sysconfig.get_path('platlib'))"` + AC_SUBST(PYTHON3_CFLAGS) + AC_SUBST(PYTHON3_LIBS) + AC_SUBST(PYTHON3_INCLUDES) + AC_SUBST(py3execdir, $PYTHON3_EXECDIR) fi fi -fi -AM_CONDITIONAL(HAVE_PYTHON, test ${python_found} = "yes") +AM_CONDITIONAL(USE_PYTHON3, test ${use_python3} = "yes") -AC_OUTPUT(Makefile src/Makefile src/libcap-ng.pc src/test/Makefile - bindings/Makefile bindings/python/Makefile - bindings/python/test/Makefile utils/Makefile - m4/Makefile docs/Makefile) +AC_CONFIG_FILES([Makefile src/Makefile src/libcap-ng.pc src/test/Makefile + bindings/Makefile + bindings/python3/Makefile bindings/src/Makefile + bindings/python3/test/Makefile utils/Makefile + m4/Makefile docs/Makefile]) +AC_OUTPUT echo . echo " @@ -145,7 +214,9 @@ echo " libcap-ng Version: $VERSION Target: $target Installation prefix: $prefix + PYTHON3_PREFIX: $PYTHON3_PREFIX Compiler: $CC Compiler flags: `echo $CFLAGS | fmt -w 50 | sed 's,^, ,'` + __attr_dealloc_free support: $DEALLOC " diff --git a/depcomp b/depcomp deleted file mode 100755 index df8eea7..0000000 --- a/depcomp +++ /dev/null @@ -1,630 +0,0 @@ -#! /bin/sh -# depcomp - compile a program generating dependencies as side-effects - -scriptversion=2009-04-28.21; # UTC - -# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free -# Software Foundation, Inc. - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -# As a special exception to the GNU General Public License, if you -# distribute this file as part of a program that contains a -# configuration script generated by Autoconf, you may include it under -# the same distribution terms that you use for the rest of that program. - -# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. - -case $1 in - '') - echo "$0: No command. Try \`$0 --help' for more information." 1>&2 - exit 1; - ;; - -h | --h*) - cat <<\EOF -Usage: depcomp [--help] [--version] PROGRAM [ARGS] - -Run PROGRAMS ARGS to compile a file, generating dependencies -as side-effects. - -Environment variables: - depmode Dependency tracking mode. - source Source file read by `PROGRAMS ARGS'. - object Object file output by `PROGRAMS ARGS'. - DEPDIR directory where to store dependencies. - depfile Dependency file to output. - tmpdepfile Temporary file to use when outputing dependencies. - libtool Whether libtool is used (yes/no). - -Report bugs to <bug-automake@gnu.org>. -EOF - exit $? - ;; - -v | --v*) - echo "depcomp $scriptversion" - exit $? - ;; -esac - -if test -z "$depmode" || test -z "$source" || test -z "$object"; then - echo "depcomp: Variables source, object and depmode must be set" 1>&2 - exit 1 -fi - -# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. -depfile=${depfile-`echo "$object" | - sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} -tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} - -rm -f "$tmpdepfile" - -# Some modes work just like other modes, but use different flags. We -# parameterize here, but still list the modes in the big case below, -# to make depend.m4 easier to write. Note that we *cannot* use a case -# here, because this file can only contain one case statement. -if test "$depmode" = hp; then - # HP compiler uses -M and no extra arg. - gccflag=-M - depmode=gcc -fi - -if test "$depmode" = dashXmstdout; then - # This is just like dashmstdout with a different argument. - dashmflag=-xM - depmode=dashmstdout -fi - -cygpath_u="cygpath -u -f -" -if test "$depmode" = msvcmsys; then - # This is just like msvisualcpp but w/o cygpath translation. - # Just convert the backslash-escaped backslashes to single forward - # slashes to satisfy depend.m4 - cygpath_u="sed s,\\\\\\\\,/,g" - depmode=msvisualcpp -fi - -case "$depmode" in -gcc3) -## gcc 3 implements dependency tracking that does exactly what -## we want. Yay! Note: for some reason libtool 1.4 doesn't like -## it if -MD -MP comes after the -MF stuff. Hmm. -## Unfortunately, FreeBSD c89 acceptance of flags depends upon -## the command line argument order; so add the flags where they -## appear in depend2.am. Note that the slowdown incurred here -## affects only configure: in makefiles, %FASTDEP% shortcuts this. - for arg - do - case $arg in - -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; - *) set fnord "$@" "$arg" ;; - esac - shift # fnord - shift # $arg - done - "$@" - stat=$? - if test $stat -eq 0; then : - else - rm -f "$tmpdepfile" - exit $stat - fi - mv "$tmpdepfile" "$depfile" - ;; - -gcc) -## There are various ways to get dependency output from gcc. Here's -## why we pick this rather obscure method: -## - Don't want to use -MD because we'd like the dependencies to end -## up in a subdir. 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This mechanism is used in libtool 1.4 series to - # handle both shared and static libraries in a single compilation. - # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. - # - # With libtool 1.5 this exception was removed, and libtool now - # generates 2 separate objects for the 2 libraries. These two - # compilations output dependencies in $dir.libs/$base.o.d and - # in $dir$base.o.d. We have to check for both files, because - # one of the two compilations can be disabled. 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This is to cope with DOS-style filenames: - # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. - "$@" $dashmflag | - sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" - rm -f "$depfile" - cat < "$tmpdepfile" > "$depfile" - tr ' ' ' -' < "$tmpdepfile" | \ -## Some versions of the HPUX 10.20 sed can't process this invocation -## correctly. Breaking it into two sed invocations is a workaround. - sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -dashXmstdout) - # This case only exists to satisfy depend.m4. It is never actually - # run, as this mode is specially recognized in the preamble. - exit 1 - ;; - -makedepend) - "$@" || exit $? - # Remove any Libtool call - if test "$libtool" = yes; then - while test "X$1" != 'X--mode=compile'; do - shift - done - shift - fi - # X makedepend - shift - cleared=no eat=no - for arg - do - case $cleared in - no) - set ""; shift - cleared=yes ;; - esac - if test $eat = yes; then - eat=no - continue - fi - case "$arg" in - -D*|-I*) - set fnord "$@" "$arg"; shift ;; - # Strip any option that makedepend may not understand. Remove - # the object too, otherwise makedepend will parse it as a source file. - -arch) - eat=yes ;; - -*|$object) - ;; - *) - set fnord "$@" "$arg"; shift ;; - esac - done - obj_suffix=`echo "$object" | sed 's/^.*\././'` - touch "$tmpdepfile" - ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" - rm -f "$depfile" - cat < "$tmpdepfile" > "$depfile" - sed '1,2d' "$tmpdepfile" | tr ' ' ' -' | \ -## Some versions of the HPUX 10.20 sed can't process this invocation -## correctly. Breaking it into two sed invocations is a workaround. - sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" "$tmpdepfile".bak - ;; - -cpp) - # Important note: in order to support this mode, a compiler *must* - # always write the preprocessed file to stdout. - "$@" || exit $? - - # Remove the call to Libtool. - if test "$libtool" = yes; then - while test "X$1" != 'X--mode=compile'; do - shift - done - shift - fi - - # Remove `-o $object'. - IFS=" " - for arg - do - case $arg in - -o) - shift - ;; - $object) - shift - ;; - *) - set fnord "$@" "$arg" - shift # fnord - shift # $arg - ;; - esac - done - - "$@" -E | - sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ - -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | - sed '$ s: \\$::' > "$tmpdepfile" - rm -f "$depfile" - echo "$object : \\" > "$depfile" - cat < "$tmpdepfile" >> "$depfile" - sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -msvisualcpp) - # Important note: in order to support this mode, a compiler *must* - # always write the preprocessed file to stdout. - "$@" || exit $? - - # Remove the call to Libtool. - if test "$libtool" = yes; then - while test "X$1" != 'X--mode=compile'; do - shift - done - shift - fi - - IFS=" " - for arg - do - case "$arg" in - -o) - shift - ;; - $object) - shift - ;; - "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") - set fnord "$@" - shift - shift - ;; - *) - set fnord "$@" "$arg" - shift - shift - ;; - esac - done - "$@" -E 2>/dev/null | - sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" - rm -f "$depfile" - echo "$object : \\" > "$depfile" - sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" - echo " " >> "$depfile" - sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" - rm -f "$tmpdepfile" - ;; - -msvcmsys) - # This case exists only to let depend.m4 do its work. 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This case will never be run, - # since it is checked for above. - exit 1 - ;; - -none) - exec "$@" - ;; - -*) - echo "Unknown depmode $depmode" 1>&2 - exit 1 - ;; -esac - -exit 0 - -# Local Variables: -# mode: shell-script -# sh-indentation: 2 -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-time-zone: "UTC" -# time-stamp-end: "; # UTC" -# End: diff --git a/docs/Makefile.am b/docs/Makefile.am index 7e498e1..9010e14 100644 --- a/docs/Makefile.am +++ b/docs/Makefile.am @@ -1,5 +1,5 @@ # Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. +# Copyright 2009,2020 Red Hat Inc. # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify @@ -27,8 +27,9 @@ EXTRA_DIST = $(man_MANS) man_MANS = capng_clear.3 capng_fill.3 capng_setpid.3 \ capng_get_caps_process.3 capng_update.3 capng_updatev.3 \ capng_apply.3 capng_lock.3 capng_change_id.3 capng_get_caps_fd.3 \ - capng_set_caps_fd.3 capng_have_capabilities.3 capng_have_capability.3 \ + capng_apply_caps_fd.3 capng_have_capabilities.3 \ + capng_get_rootid.3 capng_set_rootid.3 capng_have_capability.3 \ capng_print_caps_numeric.3 capng_print_caps_text.3 \ capng_name_to_capability.3 capng_capability_to_name.3 \ - capng_save_state.3 capng_restore_state.3 + capng_save_state.3 capng_restore_state.3 libdrop_ambient.7 diff --git a/docs/Makefile.in b/docs/Makefile.in deleted file mode 100644 index 67efcbf..0000000 --- a/docs/Makefile.in +++ /dev/null @@ -1,476 +0,0 @@ -# Makefile.in generated by automake 1.11.1 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, -# Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - -# Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. -# All Rights Reserved. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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.SH "DESCRIPTION" -capng_apply will transfer the specified internal posix capabilities settings to the kernel. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, or CAPNG_SELECT_BOTH if transferring both is desired. +capng_apply will transfer the specified internal POSIX capabilities settings to the kernel. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, CAPNG_SELECT_BOTH if transferring both is desired, CAPNG_SELECT_AMBIENT if only operating on the ambient capabilities, or CAPNG_SELECT_ALL if applying all is desired. .SH "RETURN VALUE" -This returns 0 on success and -1 on failure. +This returns 0 on success and a negative value on failure. The values are: +.RS +.TP +-1 not initialized +.TP +-2 CAPNG_SELECT_BOUNDS and failure to drop a bounding set capability +.TP +-3 CAPNG_SELECT_BOUNDS and failure to re-read bounding set +.TP +-4 CAPNG_SELECT_BOUNDS and process does not have CAP_SETPCAP +.TP +-5 CAPNG_SELECT_CAPS and failure in capset syscall +.TP +-6 CAPNG_SELECT_AMBIENT and process has no capabilities and failed clearing ambient capabilities +.TP +-7 CAPNG_SELECT_AMBIENT and process has capabilities and failed clearing ambient capabilities +.TP +-8 CAPNG_SELECT_AMBIENT and process has capabilities and failed setting an ambient capability +.TP +-9 Unable to acquire process capabilities to check if CAP_SETPCAP is set. +.RE .SH NOTES If you are doing multi-threaded programming, calling this function will only set capabilities on the calling thread. All other threads are unaffected. If you want to set overall capabilities for a multi-threaded process, you will need to do that before creating any threads. See the capset syscall for more information on this topic. +Also, bits in the bounding set can only be dropped. You cannot set them. After dropping bounding set capabilities, the bounding set is synchronized with the kernel to reflect the true state in the kernel. + .SH "SEE ALSO" .BR capset (2), .BR capng_update (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_set_caps_fd.3 b/docs/capng_apply_caps_fd.3 index 3c3e399..832e29f 100644 --- a/docs/capng_set_caps_fd.3 +++ b/docs/capng_apply_caps_fd.3 @@ -1,10 +1,10 @@ -.TH "CAPNG_SET_CAPS_FD" "3" "June 2009" "Red Hat" "Libcap-ng API" +.TH "CAPNG_APPLY_CAPS_FD" "3" "Sept 2020" "Red Hat" "Libcap-ng API" .SH NAME -capng_set_caps_fd \- +capng_apply_caps_fd \- write file-based capabilities to extended attributes .SH "SYNOPSIS" .B #include <cap-ng.h> .sp -int capng_set_caps_fd(int fd); +int capng_apply_caps_fd(int fd); .SH "DESCRIPTION" @@ -13,12 +13,12 @@ This function will write the file based capabilities to the extended attributes .SH "RETURN VALUE" -This returns 0 on success and -1 on failure. +This returns 0 on success, -1 if something besides a regular file is passed, and -2 if a non-root namespace id is being used for rootid. .SH "SEE ALSO" .BR capng_get_caps_fd (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_capability_to_name.3 b/docs/capng_capability_to_name.3 index 30aea0c..30462ae 100644 --- a/docs/capng_capability_to_name.3 +++ b/docs/capng_capability_to_name.3 @@ -8,7 +8,7 @@ const char *capng_capability_to_name(unsigned int capability); .SH "DESCRIPTION" -capng_capabilityi_to_name will take the integer being passed and look it up to see what its text string representation would be. The integer being input must be in the valid range defined in linux/capabiliy.h. The string that is output is the same as the define text from linux/capabiliy.h with the CAP_ prefix removed and lower case. This is useful for taking integer representation and converting it to something more user friendly for display. +capng_capability_to_name will take the integer being passed and look it up to see what its text string representation would be. The integer being input must be in the valid range defined in linux/capability.h. The string that is output is the same as the define text from linux/capability.h with the CAP_ prefix removed and lower case. This is useful for taking integer representation and converting it to something more user friendly for display. .SH "RETURN VALUE" @@ -17,7 +17,7 @@ This returns a NULL pointer on failure and the correct string otherwise. .SH "SEE ALSO" .BR capng_name_to_capability (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_change_id.3 b/docs/capng_change_id.3 index 3abfdd8..a13e51a 100644 --- a/docs/capng_change_id.3 +++ b/docs/capng_change_id.3 @@ -1,4 +1,4 @@ -.TH "CAPNG_CHANGE_ID" "3" "June 2009" "Red Hat" "Libcap-ng API" +.TH "CAPNG_CHANGE_ID" "3" "Feb 2018" "Red Hat" "Libcap-ng API" .SH NAME capng_change_id \- change the credentials retaining capabilities .SH "SYNOPSIS" @@ -8,7 +8,9 @@ int capng_change_id(int uid, int gid, capng_flags_t flag); .SH "DESCRIPTION" -This function will change uid and gid to the ones given while retaining the capabilities previously specified in capng_update. It is not necessary and perhaps better if capng_apply has not been called prior to this function so that all necessary privileges are still intact. The caller is required to have CAP_SETPCAP capability still active before calling this function. +This function will change uid and gid to the ones given while retaining the capabilities previously specified in capng_update. It is also possible to specify -1 for either the uid or gid in which case the function will not change the uid or gid and leave it "as is". This is useful if you just want the flag options to be applied (assuming the option doesn't require more privileges that you currently have). + +It is not necessary and perhaps better if capng_apply has not been called prior to this function so that all necessary privileges are still intact. The caller may be required to have CAP_SETPCAP capability still active before calling this function or capabilities cannot be changed. This function also takes a flag parameter that helps to tailor the exact actions performed by the function to secure the environment. The option may be or'ed together. The legal values are: @@ -18,15 +20,45 @@ This function also takes a flag parameter that helps to tailor the exact actions Simply change uid and retain specified capabilities and that's all. .TP .B CAPNG_DROP_SUPP_GRP -After changing id, remove and supplement groups that may come with the account. +After changing id, remove any supplement groups that may still be in effect from the old uid. +.TP +.B CAPNG_INIT_SUPP_GRP +After changing id, initialize any supplement groups that may come with the new account. If given with +.B CAPNG_DROP_SUPP_GRP +it will have no effect. .TP .B CAPNG_CLEAR_BOUNDING -After changing the uid and gid, clear the bounding set regardless to the internal representation already setup. +Clear the bounding set regardless to the internal representation already setup prior to changing the uid/gid. +.TP +.B CAPNG_CLEAR_AMBIENT +Clear ambient capabilities regardless of the internal representation already setup prior to changing the uid/gid. .RE .SH "RETURN VALUE" -This returns 0 on success and a negative number on failure. -1 means capng has not been initted properly, -2 means a failure requesting to keep capabilities across the uid change, -3 means that applying the intermediate capabilities failed, -4 means changing gid failed, -5 means dropping supplemental groups failed, -6 means changing the uid failed, -7 means dropping the ability to retain caps across a uid change failed, -8 means clearing the bounding set failed, -9 means dropping CAP_SETPCAP failed. +This returns 0 on success and a negative number on failure. +.RS +.TP +-1 means capng has not been initted properly +.TP +-2 means a failure requesting to keep capabilities across the uid change +.TP +-3 means that applying the intermediate capabilities failed +.TP +-4 means changing gid failed +.TP +-5 means dropping supplemental groups failed +.TP +-6 means changing the uid failed +.TP +-7 means dropping the ability to retain caps across a uid change failed +.TP +-8 means clearing the bounding set failed +.TP +-9 means dropping CAP_SETPCAP or ambient capabilities failed +.TP +-10 means initializing supplemental groups failed +.RE Note: the only safe action to do upon failure of this function is to probably exit. This is because you are likely in a situation with partial permissions and not what you intended. @@ -35,7 +67,7 @@ Note: the only safe action to do upon failure of this function is to probably ex .BR capng_update (3), .BR capng_apply (3), .BR prctl (2), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_clear.3 b/docs/capng_clear.3 index 7661c60..9ddcfda 100644 --- a/docs/capng_clear.3 +++ b/docs/capng_clear.3 @@ -1,4 +1,4 @@ -.TH "CAPNG_CLEAR" "3" "June 2009" "Red Hat" "Libcap-ng API" +.TH "CAPNG_CLEAR" "3" "Sept 2020" "Red Hat" "Libcap-ng API" .SH NAME capng_clear \- clear chosen capabilities set .SH "SYNOPSIS" @@ -8,7 +8,7 @@ void capng_clear(capng_select_t set); .SH "DESCRIPTION" -capng_clear sets to 0 all bits in the selected posix capabilities set. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, or CAPNG_SELECT_BOTH if clearing both is desired. +capng_clear sets to 0 all bits in the selected POSIX capabilities set. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, CAPNG_SELECT_BOTH if clearing both is desired, CAPNG_SELECT_AMBIENT if only operating on the ambient capabilities, or CAPNG_SELECT_ALL if clearing all is desired. .SH "RETURN VALUE" @@ -16,7 +16,7 @@ None. .SH "SEE ALSO" -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_fill.3 b/docs/capng_fill.3 index 802a6e7..8f5531f 100644 --- a/docs/capng_fill.3 +++ b/docs/capng_fill.3 @@ -1,4 +1,4 @@ -.TH "CAPNG_FILL" "3" "June 2009" "Red Hat" "Libcap-ng API" +.TH "CAPNG_FILL" "3" "Sept 2020" "Red Hat" "Libcap-ng API" .SH NAME capng_fill \- fill chosen capabilities set .SH "SYNOPSIS" @@ -8,15 +8,20 @@ void capng_fill(capng_select_t set); .SH "DESCRIPTION" -capng_fill sets all bits to a 1 in the selected posix capabilities set. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, or CAPNG_SELECT_BOTH if filling both is desired. +capng_fill sets all bits to a 1 in the selected POSIX capabilities set. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, CAPNG_SELECT_BOTH if filling both is desired, CAPNG_SELECT_AMBIENT if only operating on the ambient capabilities, or CAPNG_SELECT_ALL if clearing all is desired.. .SH "RETURN VALUE" None. +.SH NOTES + +During capng_apply, bits in the bounding set can only be dropped. You cannot set them. + .SH "SEE ALSO" -.BR capabilities (7) +.BR capng_apply (3), +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_get_caps_fd.3 b/docs/capng_get_caps_fd.3 index 80f3464..c341b9e 100644 --- a/docs/capng_get_caps_fd.3 +++ b/docs/capng_get_caps_fd.3 @@ -1,6 +1,6 @@ .TH "CAPNG_GET_CAPS_FD" "3" "June 2009" "Red Hat" "Libcap-ng API" .SH NAME -capng_get_caps_fd \- +capng_get_caps_fd \- read file-based capabilities from extended attributes .SH "SYNOPSIS" .B #include <cap-ng.h> .sp @@ -17,7 +17,7 @@ This returns 0 on success and -1 on failure. .SH "SEE ALSO" .BR capng_set_caps_fd (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_get_caps_process.3 b/docs/capng_get_caps_process.3 index 87175ae..274be6c 100644 --- a/docs/capng_get_caps_process.3 +++ b/docs/capng_get_caps_process.3 @@ -16,12 +16,14 @@ This returns 0 on success and -1 on failure. .SH NOTES -If you are doing multi-threaded programming, calling this function will only get capabilities on the calling thread. If you want to get overall capabilities for a multi-threaded process, you can only do that before creating any threads. Afterwards, threads may be able to independantly set capabilities. +If you are doing multi-threaded programming, calling this function will only get capabilities on the calling thread. If you want to get overall capabilities for a multi-threaded process, you can only do that before creating any threads. Afterwards, threads may be able to independently set capabilities. + +capng_get_caps_process needs a mounted /proc to read the current bounding set, otherwise it will fail. .SH "SEE ALSO" .BR capng_setpid (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_get_rootid.3 b/docs/capng_get_rootid.3 new file mode 100644 index 0000000..a6dbc58 --- /dev/null +++ b/docs/capng_get_rootid.3 @@ -0,0 +1,23 @@ +.TH "CAPNG_GET_ROOTID" "3" "Sept 2020" "Red Hat" "Libcap-ng API" +.SH NAME +capng_get_rootid \- get namespace root id +.SH "SYNOPSIS" +.B #include <cap-ng.h> +.sp +int capng_get_rootid(void); + +.SH "DESCRIPTION" + +capng_get_rootid gets the rootid for capabilities operations. This is only applicable for file system operations. + +.SH "RETURN VALUE" + +If the file is in the init namespace or the kernel does not support V3 file system capabilities, it returns CAPNG_UNSET_ROOTID. Otherwise it return an integer for the namespace root id. + +.SH "SEE ALSO" + +.BR capng_get_caps_fd (3), +.BR capabilities (7) + +.SH AUTHOR +Steve Grubb diff --git a/docs/capng_have_capabilities.3 b/docs/capng_have_capabilities.3 index fac6a42..fc96854 100644 --- a/docs/capng_have_capabilities.3 +++ b/docs/capng_have_capabilities.3 @@ -1,25 +1,31 @@ -.TH "CAPNG_HAVE_CAPABILITIES" "3" "June 2009" "Red Hat" "Libcap-ng API" +.TH "CAPNG_HAVE_CAPABILITIES" "3" "Sept 2020" "Red Hat" "Libcap-ng API" .SH NAME -capng_have_capabilities \- general check for capabilities +.nf +capng_have_capabilities, capng_have_permitted_capabilities \- check for capabilities .SH "SYNOPSIS" .B #include <cap-ng.h> .sp capng_results_t capng_have_capabilities(capng_select_t set); +capng_results_t capng_have_permitted_capabilities(void); .SH "DESCRIPTION" -capng_have_capabilities will check the selected internal capabilities sets to see what the status is. The capabilities sets must be previously setup with calls to capng_get_caps_process, capng_get_caps_fd, or in some other way setup. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, or CAPNG_SELECT_BOTH if clearing both is desired. +capng_have_capabilities will check the selected internal capabilities sets to see what the status is. The capabilities sets must be previously setup with calls to capng_get_caps_process, capng_get_caps_fd, or in some other way setup. The options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, CAPNG_SELECT_BOTH if checking both are desired, CAPNG_SELECT_AMBIENT if only checking the ambient capabilities, or CAPNG_SELECT_ALL if testing all sets is desired. When capabilities are checked, it will only look at the effective capabilities. + +If, however, the source of capabilities comes from a file, then you may need to additionally check the permitted capabilities. It's for this reason that +.B capng_have_permitted_capabilities +was created. It takes no arguments because it simply checks the permitted set. .SH "RETURN VALUE" -This funtion will return one of the following four self explanatory values: CAPNG_FAIL, CAPNG_NONE, CAPNG_PARTIAL, CAPNG_FULL. +This function will return one of the following four self explanatory values: CAPNG_FAIL, CAPNG_NONE, CAPNG_PARTIAL, CAPNG_FULL. .SH "SEE ALSO" .BR capng_get_caps_process (3), .BR capng_get_caps_fd (3), .BR capng_have_capability (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_have_capability.3 b/docs/capng_have_capability.3 index 54e1abf..4239d10 100644 --- a/docs/capng_have_capability.3 +++ b/docs/capng_have_capability.3 @@ -8,18 +8,18 @@ int capng_have_capability(capng_type_t which, unsigned int capability); .SH "DESCRIPTION" -capng_have_capability will check the specified internal capabilities set to see if the specified capability is set. The capabilities sets must be previously setup with calls to capng_get_caps_process, capng_get_caps_fd, or in some other way setup. The values for which should be one of: CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, or CAPNG_BOUNDING_SET. +capng_have_capability will check the specified internal capabilities set to see if the specified capability is set. The capabilities sets must be previously setup with calls to capng_get_caps_process, capng_get_caps_fd, or in some other way setup. The values for which should be one of: CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, CAPNG_BOUNDING_SET, or CAPNG_AMBIENT. .SH "RETURN VALUE" -This funtion will return 1 if yes and 0 otherwise. +This function will return 1 if yes and 0 otherwise. .SH "SEE ALSO" .BR capng_get_caps_process (3), .BR capng_get_caps_fd (3), .BR capng_have_capabilities (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_lock.3 b/docs/capng_lock.3 index 7683119..55d0ccb 100644 --- a/docs/capng_lock.3 +++ b/docs/capng_lock.3 @@ -19,7 +19,7 @@ This returns 0 on success and a negative number on failure. -1 means a failure s .BR capng_apply (3), .BR prctl (2), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_name_to_capability.3 b/docs/capng_name_to_capability.3 index 36950a0..701935a 100644 --- a/docs/capng_name_to_capability.3 +++ b/docs/capng_name_to_capability.3 @@ -8,7 +8,7 @@ int capng_name_to_capability(const char *name); .SH "DESCRIPTION" -capng_name_to_capability will take the string being passed and look it up to see what its integer value would be. The string being input is the same name as the define in linux/capabiliy.h with the CAP_ prefix removed. The string case does not matter. The integer that is output is the same as the define would be from linux/capabiliy.h. This is useful for taking string input and converting to something that can be used with capng_update. +capng_name_to_capability will take the string being passed and look it up to see what its integer value would be. The string being input is the same name as the define in linux/capability.h with the CAP_ prefix removed. The string case does not matter. The integer that is output is the same as the define would be from linux/capability.h. This is useful for taking string input and converting to something that can be used with capng_update. .SH "RETURN VALUE" @@ -17,7 +17,7 @@ This returns a negative number on failure and the correct define otherwise. .SH "SEE ALSO" .BR capng_capability_to_name (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_print_caps_numeric.3 b/docs/capng_print_caps_numeric.3 index fc5fb52..049810f 100644 --- a/docs/capng_print_caps_numeric.3 +++ b/docs/capng_print_caps_numeric.3 @@ -1,4 +1,4 @@ -.TH "CAPNG_PRINT_CAPS_NUMERIC" "3" "June 2009" "Red Hat" "Libcap-ng API" +.TH "CAPNG_PRINT_CAPS_NUMERIC" "3" "Sept 2020" "Red Hat" "Libcap-ng API" .SH NAME capng_print_caps_numeric \- print numeric values for capabilities set .SH "SYNOPSIS" @@ -10,7 +10,7 @@ char *capng_print_caps_numeric(capng_print_t where, capng_select_t set); capng_print_caps_numeric will create a numeric representation of the internal capabilities. The representation can be sent to either stdout or a buffer by passing CAPNG_PRINT_STDOUT or CAPNG_PRINT_BUFFER respectively for the where parameter. If the option was for a buffer, this function will malloc a buffer that the caller must free. -The set parameter controls what is included in the representation. The legal options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, or CAPNG_SELECT_BOTH if clearing both is desired. +The set parameter controls what is included in the representation. The legal options are CAPNG_SELECT_CAPS for the traditional capabilities, CAPNG_SELECT_BOUNDS for the bounding set, CAPNG_SELECT_BOTH if printing both is desired, CAPNG_SELECT_AMBIENT if only printing the ambient capabilities, or CAPNG_SELECT_ALL if printing all is desired. .SH "RETURN VALUE" @@ -18,7 +18,8 @@ If CAPNG_PRINT_BUFFER was selected for where, this will be the text buffer and N .SH "SEE ALSO" -.BR capabilities (7) +.BR capng_print_caps_text (3), +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_print_caps_text.3 b/docs/capng_print_caps_text.3 index 7310875..84e8aa9 100644 --- a/docs/capng_print_caps_text.3 +++ b/docs/capng_print_caps_text.3 @@ -10,7 +10,7 @@ char *capng_print_caps_text(capng_print_t where, capng_type_t which); capng_print_caps_text will create a text string representation of the internal capability set specified. The representation can be sent to either stdout or a buffer by passing CAPNG_PRINT_STDOUT or CAPNG_PRINT_BUFFER respectively for the where parameter. If the option was for a buffer, this function will malloc a buffer that the caller must free. -The legal values for the which paramemeter is CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, or CAPNG_BOUNDING_SET. +The legal values for the which parameter is CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, CAPNG_BOUNDING_SET, or CAPNG_AMBIENT. .SH "RETURN VALUE" @@ -18,7 +18,8 @@ If CAPNG_PRINT_BUFFER was selected for where, this will be the text buffer and N .SH "SEE ALSO" -.BR capabilities (7) +.BR capng_print_caps_numeric (3), +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_restore_state.3 b/docs/capng_restore_state.3 index 509972d..8b5d4b3 100644 --- a/docs/capng_restore_state.3 +++ b/docs/capng_restore_state.3 @@ -14,10 +14,17 @@ capng_restore_state is a function that takes the state information previously sa None. +.SH NOTES + +capng_restore_state free's the previously malloc'd state, thus the state can't be restored multiple times. + +The working pid is part of the restored state, if restoring the state to a different thread, capng_setpid +can be used to update it. + .SH "SEE ALSO" .BR capng_save_state (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_save_state.3 b/docs/capng_save_state.3 index eecdc8f..f177acb 100644 --- a/docs/capng_save_state.3 +++ b/docs/capng_save_state.3 @@ -14,10 +14,14 @@ capng_save_state is a function that returns a pointer to the internal state of t This returns NULL on failure and a non-NULL pointer otherwise. +.SH NOTES + +The structure returned by capng_save_state is malloc'd; it should be free'd if not used. + .SH "SEE ALSO" .BR capng_restore_state (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_set_rootid.3 b/docs/capng_set_rootid.3 new file mode 100644 index 0000000..706c171 --- /dev/null +++ b/docs/capng_set_rootid.3 @@ -0,0 +1,23 @@ +.TH "CAPNG_SET_ROOTID" "3" "Sept 2020" "Red Hat" "Libcap-ng API" +.SH NAME +capng_set_rootid \- set namespace root id +.SH "SYNOPSIS" +.B #include <cap-ng.h> +.sp +int capng_set_rootid(int rootid); + +.SH "DESCRIPTION" + +capng_set_rootid sets the rootid for capabilities operations. This is only applicable for file system operations. + +.SH "RETURN VALUE" + +On success, it returns 0. It returns -1 if there is an internal error or the kernel does not suppor V3 filesystem capabilities. + +.SH "SEE ALSO" + +.BR capng_set_caps_fd (3), +.BR capabilities (7) + +.SH AUTHOR +Steve Grubb diff --git a/docs/capng_setpid.3 b/docs/capng_setpid.3 index 3de6777..320f117 100644 --- a/docs/capng_setpid.3 +++ b/docs/capng_setpid.3 @@ -10,6 +10,16 @@ void capng_setpid(int pid); capng_pid sets the working pid for capabilities operations. This is useful if you want to get the capabilities of a different process. +.SH NOTES + +If your process calls +.B fork +, then the child process will still have the pid of the parent process stored in libcap-ng's internal data. It is disallowed to do any kind of setcap operations because you would be crossing process boundaries. To correct this, if your program links against pthreads, then libcap-ng will use the +.B pthread_atfork +function (as a weak symbol) to reset the pid information to the new process automatically. You are not required to link against pthreads. You can call +.B capng_setpid +and adjust the stored pid manually. + .SH "RETURN VALUE" None. @@ -17,7 +27,7 @@ None. .SH "SEE ALSO" .BR capng_get_caps_process (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_update.3 b/docs/capng_update.3 index 9a40669..f4b1e72 100644 --- a/docs/capng_update.3 +++ b/docs/capng_update.3 @@ -8,7 +8,7 @@ int capng_update(capng_act_t action, capng_type_t type,unsigned int capability); .SH "DESCRIPTION" -capng_update will update the internal posix capabilities settings based on the options passed to it. The action should be eith CAPNG_DROP to set the capability bit to 0, or CAPNG_ADD to set the capability bit to 1. The operation is performed on the capability set specified in the type parameter. The values are: CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, CAPNG_BOUNDING_SET. The values may be or'ed together to perform the same operation on multiple sets. The last paramter, capability, is the capability define as given in linux/capability.h. +capng_update will update the internal POSIX capabilities settings based on the options passed to it. The action should be either CAPNG_DROP to set the capability bit to 0, or CAPNG_ADD to set the capability bit to 1. The operation is performed on the capability set specified in the type parameter. The values are: CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, CAPNG_BOUNDING_SET, or CAPNG_AMBIENT. The values may be or'ed together to perform the same operation on multiple sets. The last parameter, capability, is the capability define as given in linux/capability.h. .SH "RETURN VALUE" @@ -17,7 +17,7 @@ This returns 0 on success and -1 on failure. .SH "SEE ALSO" .BR capng_updatev (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/capng_updatev.3 b/docs/capng_updatev.3 index 2180f86..451135e 100644 --- a/docs/capng_updatev.3 +++ b/docs/capng_updatev.3 @@ -9,7 +9,7 @@ int capng_updatev(capng_act_t action, capng_type_t type, .SH "DESCRIPTION" -capng_updatev will update the internal posix capabilities settings based on the options passed to it. The action should be eith CAPNG_DROP to set the capability bit to 0, or CAPNG_ADD to set the capability bit to 1. The operation is performed on the capability set specified in the type parameter. The values are: CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, CAPNG_BOUNDING_SET. The values may be or'ed together to perform the same operation on multiple sets. The last paramter, capability, is the capability define as given in linux/capability.h. +capng_updatev will update the internal POSIX capabilities settings based on the options passed to it. The action should be either CAPNG_DROP to set the capability bit to 0, or CAPNG_ADD to set the capability bit to 1. The operation is performed on the capability set specified in the type parameter. The values are: CAPNG_EFFECTIVE, CAPNG_PERMITTED, CAPNG_INHERITABLE, CAPNG_BOUNDING_SET, or CAPNG_AMBIENT. The values may be or'ed together to perform the same operation on multiple sets. The last parameter, capability, is the capability define as given in linux/capability.h. This function differs from capng_update in that you may pass a list of capabilities. This list must be terminated with a -1 value. @@ -20,7 +20,7 @@ This returns 0 on success and -1 on failure. .SH "SEE ALSO" .BR capng_update (3), -.BR capabilities (7) +.BR capabilities (7) .SH AUTHOR Steve Grubb diff --git a/docs/libdrop_ambient.7 b/docs/libdrop_ambient.7 new file mode 100644 index 0000000..660ade4 --- /dev/null +++ b/docs/libdrop_ambient.7 @@ -0,0 +1,14 @@ +.TH "LIBDROP_AMBIENT" "7" "Nov 2020" "Red Hat" "Libcap-ng API" +.SH NAME +libdrop_ambient \- force application started with ambient capabilities to drop them + +.SH "DESCRIPTION + +This library can be used via LD_PRELOAD to force an application started with ambient capabilities to drop them. It leaves other capabilities intact. This can also be linked against and automatically does the right thing. You do not need to make any calls into the library because all the work is done in the constructor which runs before main() is called. + +.SH "SEE ALSO" + +.BR capabilities (7) + +.SH AUTHOR +Steve Grubb diff --git a/install-sh b/install-sh deleted file mode 100755 index 6781b98..0000000 --- a/install-sh +++ /dev/null @@ -1,520 +0,0 @@ -#!/bin/sh -# install - install a program, script, or datafile - -scriptversion=2009-04-28.21; # UTC - -# This originates from X11R5 (mit/util/scripts/install.sh), which was -# later released in X11R6 (xc/config/util/install.sh) with the -# following copyright and license. -# -# Copyright (C) 1994 X Consortium -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to -# deal in the Software without restriction, including without limitation the -# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or -# sell copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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In this case, the final cleanup might fail but the new - # file should still install successfully. - { - test ! -f "$dst" || - $doit $rmcmd -f "$dst" 2>/dev/null || - { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && - { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } - } || - { echo "$0: cannot unlink or rename $dst" >&2 - (exit 1); exit 1 - } - } && - - # Now rename the file to the real destination. - $doit $mvcmd "$dsttmp" "$dst" - } - fi || exit 1 - - trap '' 0 - fi -done - -# Local variables: -# eval: (add-hook 'write-file-hooks 'time-stamp) -# time-stamp-start: "scriptversion=" -# time-stamp-format: "%:y-%02m-%02d.%02H" -# time-stamp-time-zone: "UTC" -# time-stamp-end: "; # UTC" -# End: diff --git a/libcap-ng.spec b/libcap-ng.spec index c5a83d5..0719d40 100644 --- a/libcap-ng.spec +++ b/libcap-ng.spec @@ -1,9 +1,7 @@ -%{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print get_python_lib(1)")} - -Summary: An alternate posix capabilities library +Summary: An alternate POSIX capabilities library Name: libcap-ng -Version: 0.6.6 -Release: 1 +Version: 0.8.4 +Release: 1%{?dist} License: LGPLv2+ Group: System Environment/Libraries URL: http://people.redhat.com/sgrubb/libcap-ng @@ -13,7 +11,7 @@ BuildRequires: kernel-headers >= 2.6.11 BuildRequires: libattr-devel %description -Libcap-ng is a library that makes using posix capabilities easier +Libcap-ng is a library that makes using POSIX capabilities easier %package devel Summary: Header files for libcap-ng library @@ -27,82 +25,69 @@ Requires: pkgconfig The libcap-ng-devel package contains the files needed for developing applications that need to use the libcap-ng library. -%package python -Summary: Python bindings for libcap-ng library +%package python3 +Summary: Python3 bindings for libcap-ng library License: LGPLv2+ Group: Development/Libraries -BuildRequires: python-devel swig +BuildRequires: python3-devel swig Requires: %{name} = %{version}-%{release} -%description python -The libcap-ng-python package contains the bindings so that libcap-ng -and can be used by python applications. +%description python3 +The libcap-ng-python3 package contains the bindings so that libcap-ng +and can be used by python3 applications. %package utils -Summary: Utilities for analysing and setting file capabilities +Summary: Utilities for analyzing and setting file capabilities License: GPLv2+ Group: Development/Libraries %description utils -The libcap-ng-utils package contains applications to analyse the -posix capabilities of all the program running on a system. It also +The libcap-ng-utils package contains applications to analyze the +POSIX capabilities of all the program running on a system. It also lets you set the file system based capabilities. %prep %setup -q %build -%configure --libdir=/%{_lib} -make %{?_smp_mflags} +%configure --libdir=%{_libdir} --with-python3 +make CFLAGS="%{optflags}" %{?_smp_mflags} %install -rm -rf $RPM_BUILD_ROOT -make DESTDIR="${RPM_BUILD_ROOT}" install - -# Move the symlink -rm -f $RPM_BUILD_ROOT/%{_lib}/%{name}.so -mkdir -p $RPM_BUILD_ROOT%{_libdir} -VLIBNAME=$(ls $RPM_BUILD_ROOT/%{_lib}/%{name}.so.*.*.*) -LIBNAME=$(basename $VLIBNAME) -ln -s ../../%{_lib}/$LIBNAME $RPM_BUILD_ROOT%{_libdir}/%{name}.so - -# Move the pkgconfig file -mv $RPM_BUILD_ROOT/%{_lib}/pkgconfig $RPM_BUILD_ROOT%{_libdir} +make DESTDIR="${RPM_BUILD_ROOT}" INSTALL='install -p' install # Remove a couple things so they don't get picked up -rm -f $RPM_BUILD_ROOT/%{_lib}/libcap-ng.la -rm -f $RPM_BUILD_ROOT/%{_lib}/libcap-ng.a +rm -f $RPM_BUILD_ROOT/%{_libdir}/libcap-ng.la +rm -f $RPM_BUILD_ROOT/%{_libdir}/libcap-ng.a +rm -f $RPM_BUILD_ROOT/%{_libdir}/libdrop_ambient.la +rm -f $RPM_BUILD_ROOT/%{_libdir}/libdrop_ambient.a rm -f $RPM_BUILD_ROOT/%{_libdir}/python?.?/site-packages/_capng.a rm -f $RPM_BUILD_ROOT/%{_libdir}/python?.?/site-packages/_capng.la %check make check -%clean -rm -rf $RPM_BUILD_ROOT - -%post -p /sbin/ldconfig - -%postun -p /sbin/ldconfig - +%ldconfig_scriptlets %files %defattr(-,root,root,-) %doc COPYING.LIB -%attr(0755,root,root) /%{_lib}/libcap-ng.so.* +/%{_libdir}/libcap-ng.so.* +/%{_libdir}/libdrop_ambient.so.* +%attr(0644,root,root) %{_mandir}/man7/* %files devel %defattr(-,root,root,-) %attr(0644,root,root) %{_mandir}/man3/* %attr(0644,root,root) %{_includedir}/cap-ng.h -%attr(0755,root,root) %{_libdir}/libcap-ng.so +%{_libdir}/libcap-ng.so +%{_libdir}/libdrop_ambient.so %attr(0644,root,root) %{_datadir}/aclocal/cap-ng.m4 %{_libdir}/pkgconfig/libcap-ng.pc -%files python +%files python3 %defattr(-,root,root,-) -%attr(755,root,root) /%{_libdir}/python?.?/site-packages/_capng.so -%{python_sitearch}/capng.py* +%attr(755,root,root) %{python3_sitearch}/* %files utils %defattr(-,root,root,-) @@ -111,6 +96,6 @@ rm -rf $RPM_BUILD_ROOT %attr(0644,root,root) %{_mandir}/man8/* %changelog -* Fri Jun 24 2011 Steve Grubb <sgrubb@redhat.com> 0.6.6-1 +* Wed Dec 20 2023 Steve Grubb <sgrubb@redhat.com> 0.8.4-1 - New upstream release diff --git a/ltmain.sh b/ltmain.sh deleted file mode 100755 index d8efb57..0000000 --- a/ltmain.sh +++ /dev/null @@ -1,8745 +0,0 @@ -# Generated from ltmain.m4sh. - -# libtool (GNU libtool) 2.2.10 -# Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 - -# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006, -# 2007, 2008, 2009, 2010 Free Software Foundation, Inc. -# This is free software; see the source for copying conditions. There is NO -# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - -# GNU Libtool is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# As a special exception to the GNU General Public License, -# if you distribute this file as part of a program or library that -# is built using GNU Libtool, you may include this file under the -# same distribution terms that you use for the rest of that program. -# -# GNU Libtool is distributed in the hope that it will be useful, but -# WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Libtool; see the file COPYING. If not, a copy -# can be downloaded from http://www.gnu.org/licenses/gpl.html, -# or obtained by writing to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - -# Usage: $progname [OPTION]... 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This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from an older release. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, but the -$progname: definition of this LT_INIT comes from $PACKAGE $macro_version. -$progname: You should recreate aclocal.m4 with macros from $PACKAGE $VERSION -$progname: and run autoconf again. -_LT_EOF - fi - else - cat >&2 <<_LT_EOF -$progname: Version mismatch error. This is $PACKAGE $VERSION, revision $package_revision, -$progname: but the definition of this LT_INIT comes from revision $macro_revision. -$progname: You should recreate aclocal.m4 with macros from revision $package_revision -$progname: of $PACKAGE $VERSION and run autoconf again. -_LT_EOF - fi - - exit $EXIT_MISMATCH - fi -} - - -## ----------- ## -## Main. ## -## ----------- ## - -$opt_help || { - # Sanity checks first: - func_check_version_match - - if test "$build_libtool_libs" != yes && test "$build_old_libs" != yes; then - func_fatal_configuration "not configured to build any kind of library" - fi - - test -z "$mode" && func_fatal_error "error: you must specify a MODE." - - - # Darwin sucks - eval std_shrext=\"$shrext_cmds\" - - - # Only execute mode is allowed to have -dlopen flags. - if test -n "$execute_dlfiles" && test "$mode" != execute; then - func_error "unrecognized option \`-dlopen'" - $ECHO "$help" 1>&2 - exit $EXIT_FAILURE - fi - - # Change the help message to a mode-specific one. - generic_help="$help" - help="Try \`$progname --help --mode=$mode' for more information." -} - - -# func_lalib_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function is only a basic sanity check; it will hardly flush out -# determined imposters. -func_lalib_p () -{ - test -f "$1" && - $SED -e 4q "$1" 2>/dev/null \ - | $GREP "^# Generated by .*$PACKAGE" > /dev/null 2>&1 -} - -# func_lalib_unsafe_p file -# True iff FILE is a libtool `.la' library or `.lo' object file. -# This function implements the same check as func_lalib_p without -# resorting to external programs. 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If you -repeat this compilation, it may succeed, by chance, but you had better -avoid parallel builds (make -j) in this platform, or get a better -compiler." - - $opt_dry_run || $RM $removelist - exit $EXIT_FAILURE - fi - removelist="$removelist $output_obj" - $ECHO "$srcfile" > "$lockfile" - fi - - $opt_dry_run || $RM $removelist - removelist="$removelist $lockfile" - trap '$opt_dry_run || $RM $removelist; exit $EXIT_FAILURE' 1 2 15 - - if test -n "$fix_srcfile_path"; then - eval srcfile=\"$fix_srcfile_path\" - fi - func_quote_for_eval "$srcfile" - qsrcfile=$func_quote_for_eval_result - - # Only build a PIC object if we are building libtool libraries. - if test "$build_libtool_libs" = yes; then - # Without this assignment, base_compile gets emptied. - fbsd_hideous_sh_bug=$base_compile - - if test "$pic_mode" != no; then - command="$base_compile $qsrcfile $pic_flag" - else - # Don't build PIC code - command="$base_compile $qsrcfile" - fi - - func_mkdir_p "$xdir$objdir" - - if test -z "$output_obj"; then - # Place PIC objects in $objdir - command="$command -o $lobj" - fi - - func_show_eval_locale "$command" \ - 'test -n "$output_obj" && $RM $removelist; exit $EXIT_FAILURE' - - if test "$need_locks" = warn && - test "X`cat $lockfile 2>/dev/null`" != "X$srcfile"; then - $ECHO "\ -*** ERROR, $lockfile contains: -`cat $lockfile 2>/dev/null` - -but it should contain: -$srcfile - -This indicates that another process is trying to use the same -temporary object file, and libtool could not work around it because -your compiler does not support \`-c' and \`-o' together. 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If you -repeat this compilation, it may succeed, by chance, but you had better -avoid parallel builds (make -j) in this platform, or get a better -compiler." - - $opt_dry_run || $RM $removelist - exit $EXIT_FAILURE - fi - - # Just move the object if needed - if test -n "$output_obj" && test "X$output_obj" != "X$obj"; then - func_show_eval '$MV "$output_obj" "$obj"' \ - 'error=$?; $opt_dry_run || $RM $removelist; exit $error' - fi - fi - - $opt_dry_run || { - func_write_libtool_object "$libobj" "$objdir/$objname" "$objname" - - # Unlock the critical section if it was locked - if test "$need_locks" != no; then - removelist=$lockfile - $RM "$lockfile" - fi - } - - exit $EXIT_SUCCESS -} - -$opt_help || { - test "$mode" = compile && func_mode_compile ${1+"$@"} -} - -func_mode_help () -{ - # We need to display help for each of the modes. - case $mode in - "") - # Generic help is extracted from the usage comments - # at the start of this file. - func_help - ;; - - clean) - $ECHO \ -"Usage: $progname [OPTION]... --mode=clean RM [RM-OPTION]... 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then - # Do the single finish_eval. - eval cmds=\"$finish_eval\" - $opt_dry_run || eval "$cmds" || admincmds="$admincmds - $cmds" - fi - done - fi - - # Exit here if they wanted silent mode. - $opt_silent && exit $EXIT_SUCCESS - - echo "----------------------------------------------------------------------" - echo "Libraries have been installed in:" - for libdir in $libdirs; do - $ECHO " $libdir" - done - echo - echo "If you ever happen to want to link against installed libraries" - echo "in a given directory, LIBDIR, you must either use libtool, and" - echo "specify the full pathname of the library, or use the \`-LLIBDIR'" - echo "flag during linking and do at least one of the following:" - if test -n "$shlibpath_var"; then - echo " - add LIBDIR to the \`$shlibpath_var' environment variable" - echo " during execution" - fi - if test -n "$runpath_var"; then - echo " - add LIBDIR to the \`$runpath_var' environment variable" - echo " during linking" - fi - if test -n "$hardcode_libdir_flag_spec"; 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then - case "$current_libdirs " in - *" $libdir "*) ;; - *) current_libdirs="$current_libdirs $libdir" ;; - esac - else - # Note the libdir as a future libdir. - case "$future_libdirs " in - *" $libdir "*) ;; - *) future_libdirs="$future_libdirs $libdir" ;; - esac - fi - - func_dirname "$file" "/" "" - dir="$func_dirname_result" - dir="$dir$objdir" - - if test -n "$relink_command"; then - # Determine the prefix the user has applied to our future dir. - inst_prefix_dir=`$ECHO "$destdir" | $SED -e "s%$libdir\$%%"` - - # Don't allow the user to place us outside of our expected - # location b/c this prevents finding dependent libraries that - # are installed to the same prefix. - # At present, this check doesn't affect windows .dll's that - # are installed into $libdir/../bin (currently, that works fine) - # but it's something to keep an eye on. - test "$inst_prefix_dir" = "$destdir" && \ - func_fatal_error "error: cannot install \`$file' to a directory not ending in $libdir" - - if test -n "$inst_prefix_dir"; then - # Stick the inst_prefix_dir data into the link command. - relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%-inst-prefix-dir $inst_prefix_dir%"` - else - relink_command=`$ECHO "$relink_command" | $SED "s%@inst_prefix_dir@%%"` - fi - - func_warning "relinking \`$file'" - func_show_eval "$relink_command" \ - 'func_fatal_error "error: relink \`$file'\'' with the above command before installing it"' - fi - - # See the names of the shared library. - set dummy $library_names; shift - if test -n "$1"; then - realname="$1" - shift - - srcname="$realname" - test -n "$relink_command" && srcname="$realname"T - - # Install the shared library and build the symlinks. - func_show_eval "$install_shared_prog $dir/$srcname $destdir/$realname" \ - 'exit $?' - tstripme="$stripme" - case $host_os in - cygwin* | mingw* | pw32* | cegcc*) - case $realname in - *.dll.a) - tstripme="" - ;; - esac - ;; - esac - if test -n "$tstripme" && test -n "$striplib"; then - func_show_eval "$striplib $destdir/$realname" 'exit $?' - fi - - if test "$#" -gt 0; 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then - func_stripname '' '.exe' "$file" - file=$func_stripname_result - stripped_ext=".exe" - fi - ;; - esac - - # Do a test to see if this is really a libtool program. - case $host in - *cygwin* | *mingw*) - if func_ltwrapper_executable_p "$file"; then - func_ltwrapper_scriptname "$file" - wrapper=$func_ltwrapper_scriptname_result - else - func_stripname '' '.exe' "$file" - wrapper=$func_stripname_result - fi - ;; - *) - wrapper=$file - ;; - esac - if func_ltwrapper_script_p "$wrapper"; then - notinst_deplibs= - relink_command= - - func_source "$wrapper" - - # Check the variables that should have been set. - test -z "$generated_by_libtool_version" && \ - func_fatal_error "invalid libtool wrapper script \`$wrapper'" - - finalize=yes - for lib in $notinst_deplibs; do - # Check to see that each library is installed. - libdir= - if test -f "$lib"; then - func_source "$lib" - fi - libfile="$libdir/"`$ECHO "$lib" | $SED 's%^.*/%%g'` ### testsuite: skip nested quoting test - if test -n "$libdir" && test ! -f "$libfile"; then - func_warning "\`$lib' has not been installed in \`$libdir'" - finalize=no - fi - done - - relink_command= - func_source "$wrapper" - - outputname= - if test "$fast_install" = no && test -n "$relink_command"; then - $opt_dry_run || { - if test "$finalize" = yes; then - tmpdir=`func_mktempdir` - func_basename "$file$stripped_ext" - file="$func_basename_result" - outputname="$tmpdir/$file" - # Replace the output file specification. - relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'` - - $opt_silent || { - func_quote_for_expand "$relink_command" - eval "func_echo $func_quote_for_expand_result" - } - if eval "$relink_command"; then : - else - func_error "error: relink \`$file' with the above command before installing it" - $opt_dry_run || ${RM}r "$tmpdir" - continue - fi - file="$outputname" - else - func_warning "cannot relink \`$file'" - fi - } - else - # Install the binary that we compiled earlier. - file=`$ECHO "$file$stripped_ext" | $SED "s%\([^/]*\)$%$objdir/\1%"` - fi - fi - - # remove .exe since cygwin /usr/bin/install will append another - # one anyway - case $install_prog,$host in - */usr/bin/install*,*cygwin*) - case $file:$destfile in - *.exe:*.exe) - # this is ok - ;; - *.exe:*) - destfile=$destfile.exe - ;; - *:*.exe) - func_stripname '' '.exe' "$destfile" - destfile=$func_stripname_result - ;; - esac - ;; - esac - func_show_eval "$install_prog\$stripme \$file \$destfile" 'exit $?' - $opt_dry_run || if test -n "$outputname"; then - ${RM}r "$tmpdir" - fi - ;; - esac - done - - for file in $staticlibs; do - func_basename "$file" - name="$func_basename_result" - - # Set up the ranlib parameters. - oldlib="$destdir/$name" - - func_show_eval "$install_prog \$file \$oldlib" 'exit $?' - - if test -n "$stripme" && test -n "$old_striplib"; then - func_show_eval "$old_striplib $oldlib" 'exit $?' - fi - - # Do each command in the postinstall commands. - func_execute_cmds "$old_postinstall_cmds" 'exit $?' - done - - test -n "$future_libdirs" && \ - func_warning "remember to run \`$progname --finish$future_libdirs'" - - if test -n "$current_libdirs"; then - # Maybe just do a dry run. - $opt_dry_run && current_libdirs=" -n$current_libdirs" - exec_cmd='$SHELL $progpath $preserve_args --finish$current_libdirs' - else - exit $EXIT_SUCCESS - fi -} - -test "$mode" = install && func_mode_install ${1+"$@"} - - -# func_generate_dlsyms outputname originator pic_p -# Extract symbols from dlprefiles and create ${outputname}S.o with -# a dlpreopen symbol table. -func_generate_dlsyms () -{ - $opt_debug - my_outputname="$1" - my_originator="$2" - my_pic_p="${3-no}" - my_prefix=`$ECHO "$my_originator" | sed 's%[^a-zA-Z0-9]%_%g'` - my_dlsyms= - - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - if test -n "$NM" && test -n "$global_symbol_pipe"; then - my_dlsyms="${my_outputname}S.c" - else - func_error "not configured to extract global symbols from dlpreopened files" - fi - fi - - if test -n "$my_dlsyms"; then - case $my_dlsyms in - "") ;; - *.c) - # Discover the nlist of each of the dlfiles. - nlist="$output_objdir/${my_outputname}.nm" - - func_show_eval "$RM $nlist ${nlist}S ${nlist}T" - - # Parse the name list into a source file. - func_verbose "creating $output_objdir/$my_dlsyms" - - $opt_dry_run || $ECHO > "$output_objdir/$my_dlsyms" "\ -/* $my_dlsyms - symbol resolution table for \`$my_outputname' dlsym emulation. */ -/* Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION */ - -#ifdef __cplusplus -extern \"C\" { -#endif - -#if defined(__GNUC__) && (((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ > 4)) -#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" -#endif - -/* External symbol declarations for the compiler. */\ -" - - if test "$dlself" = yes; then - func_verbose "generating symbol list for \`$output'" - - $opt_dry_run || echo ': @PROGRAM@ ' > "$nlist" - - # Add our own program objects to the symbol list. - progfiles=`$ECHO "$objs$old_deplibs" | $SP2NL | $SED "$lo2o" | $NL2SP` - for progfile in $progfiles; do - func_verbose "extracting global C symbols from \`$progfile'" - $opt_dry_run || eval "$NM $progfile | $global_symbol_pipe >> '$nlist'" - done - - if test -n "$exclude_expsyms"; then - $opt_dry_run || { - eval '$EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - if test -n "$export_symbols_regex"; then - $opt_dry_run || { - eval '$EGREP -e "$export_symbols_regex" "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - } - fi - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - export_symbols="$output_objdir/$outputname.exp" - $opt_dry_run || { - $RM $export_symbols - eval "${SED} -n -e '/^: @PROGRAM@ $/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"' - case $host in - *cygwin* | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$export_symbols" >> "$output_objdir/$outputname.def"' - ;; - esac - } - else - $opt_dry_run || { - eval "${SED} -e 's/\([].[*^$]\)/\\\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"' - eval '$GREP -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T' - eval '$MV "$nlist"T "$nlist"' - case $host in - *cygwin* | *mingw* | *cegcc* ) - eval "echo EXPORTS "'> "$output_objdir/$outputname.def"' - eval 'cat "$nlist" >> "$output_objdir/$outputname.def"' - ;; - esac - } - fi - fi - - for dlprefile in $dlprefiles; do - func_verbose "extracting global C symbols from \`$dlprefile'" - func_basename "$dlprefile" - name="$func_basename_result" - $opt_dry_run || { - eval '$ECHO ": $name " >> "$nlist"' - eval "$NM $dlprefile 2>/dev/null | $global_symbol_pipe >> '$nlist'" - } - done - - $opt_dry_run || { - # Make sure we have at least an empty file. - test -f "$nlist" || : > "$nlist" - - if test -n "$exclude_expsyms"; then - $EGREP -v " ($exclude_expsyms)$" "$nlist" > "$nlist"T - $MV "$nlist"T "$nlist" - fi - - # Try sorting and uniquifying the output. - if $GREP -v "^: " < "$nlist" | - if sort -k 3 </dev/null >/dev/null 2>&1; then - sort -k 3 - else - sort +2 - fi | - uniq > "$nlist"S; then - : - else - $GREP -v "^: " < "$nlist" > "$nlist"S - fi - - if test -f "$nlist"S; then - eval "$global_symbol_to_cdecl"' < "$nlist"S >> "$output_objdir/$my_dlsyms"' - else - echo '/* NONE */' >> "$output_objdir/$my_dlsyms" - fi - - echo >> "$output_objdir/$my_dlsyms" "\ - -/* The mapping between symbol names and symbols. */ -typedef struct { - const char *name; - void *address; -} lt_dlsymlist; -" - case $host in - *cygwin* | *mingw* | *cegcc* ) - echo >> "$output_objdir/$my_dlsyms" "\ -/* DATA imports from DLLs on WIN32 con't be const, because - runtime relocations are performed -- see ld's documentation - on pseudo-relocs. */" - lt_dlsym_const= ;; - *osf5*) - echo >> "$output_objdir/$my_dlsyms" "\ -/* This system does not cope well with relocations in const data */" - lt_dlsym_const= ;; - *) - lt_dlsym_const=const ;; - esac - - echo >> "$output_objdir/$my_dlsyms" "\ -extern $lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[]; -$lt_dlsym_const lt_dlsymlist -lt_${my_prefix}_LTX_preloaded_symbols[] = -{\ - { \"$my_originator\", (void *) 0 }," - - case $need_lib_prefix in - no) - eval "$global_symbol_to_c_name_address" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - *) - eval "$global_symbol_to_c_name_address_lib_prefix" < "$nlist" >> "$output_objdir/$my_dlsyms" - ;; - esac - echo >> "$output_objdir/$my_dlsyms" "\ - {0, (void *) 0} -}; - -/* This works around a problem in FreeBSD linker */ -#ifdef FREEBSD_WORKAROUND -static const void *lt_preloaded_setup() { - return lt_${my_prefix}_LTX_preloaded_symbols; -} -#endif - -#ifdef __cplusplus -} -#endif\ -" - } # !$opt_dry_run - - pic_flag_for_symtable= - case "$compile_command " in - *" -static "*) ;; - *) - case $host in - # compiling the symbol table file with pic_flag works around - # a FreeBSD bug that causes programs to crash when -lm is - # linked before any other PIC object. But we must not use - # pic_flag when linking with -static. The problem exists in - # FreeBSD 2.2.6 and is fixed in FreeBSD 3.1. - *-*-freebsd2*|*-*-freebsd3.0*|*-*-freebsdelf3.0*) - pic_flag_for_symtable=" $pic_flag -DFREEBSD_WORKAROUND" ;; - *-*-hpux*) - pic_flag_for_symtable=" $pic_flag" ;; - *) - if test "X$my_pic_p" != Xno; then - pic_flag_for_symtable=" $pic_flag" - fi - ;; - esac - ;; - esac - symtab_cflags= - for arg in $LTCFLAGS; do - case $arg in - -pie | -fpie | -fPIE) ;; - *) symtab_cflags="$symtab_cflags $arg" ;; - esac - done - - # Now compile the dynamic symbol file. - func_show_eval '(cd $output_objdir && $LTCC$symtab_cflags -c$no_builtin_flag$pic_flag_for_symtable "$my_dlsyms")' 'exit $?' - - # Clean up the generated files. - func_show_eval '$RM "$output_objdir/$my_dlsyms" "$nlist" "${nlist}S" "${nlist}T"' - - # Transform the symbol file into the correct name. - symfileobj="$output_objdir/${my_outputname}S.$objext" - case $host in - *cygwin* | *mingw* | *cegcc* ) - if test -f "$output_objdir/$my_outputname.def"; then - compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$output_objdir/$my_outputname.def $symfileobj%"` - else - compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` - fi - ;; - *) - compile_command=`$ECHO "$compile_command" | $SED "s%@SYMFILE@%$symfileobj%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s%@SYMFILE@%$symfileobj%"` - ;; - esac - ;; - *) - func_fatal_error "unknown suffix for \`$my_dlsyms'" - ;; - esac - else - # We keep going just in case the user didn't refer to - # lt_preloaded_symbols. The linker will fail if global_symbol_pipe - # really was required. - - # Nullify the symbol file. - compile_command=`$ECHO "$compile_command" | $SED "s% @SYMFILE@%%"` - finalize_command=`$ECHO "$finalize_command" | $SED "s% @SYMFILE@%%"` - fi -} - -# func_win32_libid arg -# return the library type of file 'arg' -# -# Need a lot of goo to handle *both* DLLs and import libs -# Has to be a shell function in order to 'eat' the argument -# that is supplied when $file_magic_command is called. -# Despite the name, also deal with 64 bit binaries. -func_win32_libid () -{ - $opt_debug - win32_libid_type="unknown" - win32_fileres=`file -L $1 2>/dev/null` - case $win32_fileres in - *ar\ archive\ import\ library*) # definitely import - win32_libid_type="x86 archive import" - ;; - *ar\ archive*) # could be an import, or static - # Keep the egrep pattern in sync with the one in _LT_CHECK_MAGIC_METHOD. - if eval $OBJDUMP -f $1 | $SED -e '10q' 2>/dev/null | - $EGREP 'file format (pei*-i386(.*architecture: i386)?|pe-arm-wince|pe-x86-64)' >/dev/null; then - win32_nmres=`eval $NM -f posix -A $1 | - $SED -n -e ' - 1,100{ - / I /{ - s,.*,import, - p - q - } - }'` - case $win32_nmres in - import*) win32_libid_type="x86 archive import";; - *) win32_libid_type="x86 archive static";; - esac - fi - ;; - *DLL*) - win32_libid_type="x86 DLL" - ;; - *executable*) # but shell scripts are "executable" too... - case $win32_fileres in - *MS\ Windows\ PE\ Intel*) - win32_libid_type="x86 DLL" - ;; - esac - ;; - esac - $ECHO "$win32_libid_type" -} - - - -# func_extract_an_archive dir oldlib -func_extract_an_archive () -{ - $opt_debug - f_ex_an_ar_dir="$1"; shift - f_ex_an_ar_oldlib="$1" - if test "$lock_old_archive_extraction" = yes; then - lockfile=$f_ex_an_ar_oldlib.lock - until $opt_dry_run || ln "$progpath" "$lockfile" 2>/dev/null; do - func_echo "Waiting for $lockfile to be removed" - sleep 2 - done - fi - func_show_eval "(cd \$f_ex_an_ar_dir && $AR x \"\$f_ex_an_ar_oldlib\")" \ - 'stat=$?; rm -f "$lockfile"; exit $stat' - if test "$lock_old_archive_extraction" = yes; then - $opt_dry_run || rm -f "$lockfile" - fi - if ($AR t "$f_ex_an_ar_oldlib" | sort | sort -uc >/dev/null 2>&1); then - : - else - func_fatal_error "object name conflicts in archive: $f_ex_an_ar_dir/$f_ex_an_ar_oldlib" - fi -} - - -# func_extract_archives gentop oldlib ... -func_extract_archives () -{ - $opt_debug - my_gentop="$1"; shift - my_oldlibs=${1+"$@"} - my_oldobjs="" - my_xlib="" - my_xabs="" - my_xdir="" - - for my_xlib in $my_oldlibs; do - # Extract the objects. - case $my_xlib in - [\\/]* | [A-Za-z]:[\\/]*) my_xabs="$my_xlib" ;; - *) my_xabs=`pwd`"/$my_xlib" ;; - esac - func_basename "$my_xlib" - my_xlib="$func_basename_result" - my_xlib_u=$my_xlib - while :; do - case " $extracted_archives " in - *" $my_xlib_u "*) - func_arith $extracted_serial + 1 - extracted_serial=$func_arith_result - my_xlib_u=lt$extracted_serial-$my_xlib ;; - *) break ;; - esac - done - extracted_archives="$extracted_archives $my_xlib_u" - my_xdir="$my_gentop/$my_xlib_u" - - func_mkdir_p "$my_xdir" - - case $host in - *-darwin*) - func_verbose "Extracting $my_xabs" - # Do not bother doing anything if just a dry run - $opt_dry_run || { - darwin_orig_dir=`pwd` - cd $my_xdir || exit $? - darwin_archive=$my_xabs - darwin_curdir=`pwd` - darwin_base_archive=`basename "$darwin_archive"` - darwin_arches=`$LIPO -info "$darwin_archive" 2>/dev/null | $GREP Architectures 2>/dev/null || true` - if test -n "$darwin_arches"; then - darwin_arches=`$ECHO "$darwin_arches" | $SED -e 's/.*are://'` - darwin_arch= - func_verbose "$darwin_base_archive has multiple architectures $darwin_arches" - for darwin_arch in $darwin_arches ; do - func_mkdir_p "unfat-$$/${darwin_base_archive}-${darwin_arch}" - $LIPO -thin $darwin_arch -output "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" "${darwin_archive}" - cd "unfat-$$/${darwin_base_archive}-${darwin_arch}" - func_extract_an_archive "`pwd`" "${darwin_base_archive}" - cd "$darwin_curdir" - $RM "unfat-$$/${darwin_base_archive}-${darwin_arch}/${darwin_base_archive}" - done # $darwin_arches - ## Okay now we've a bunch of thin objects, gotta fatten them up :) - darwin_filelist=`find unfat-$$ -type f -name \*.o -print -o -name \*.lo -print | $SED -e "$basename" | sort -u` - darwin_file= - darwin_files= - for darwin_file in $darwin_filelist; do - darwin_files=`find unfat-$$ -name $darwin_file -print | sort | $NL2SP` - $LIPO -create -output "$darwin_file" $darwin_files - done # $darwin_filelist - $RM -rf unfat-$$ - cd "$darwin_orig_dir" - else - cd $darwin_orig_dir - func_extract_an_archive "$my_xdir" "$my_xabs" - fi # $darwin_arches - } # !$opt_dry_run - ;; - *) - func_extract_an_archive "$my_xdir" "$my_xabs" - ;; - esac - my_oldobjs="$my_oldobjs "`find $my_xdir -name \*.$objext -print -o -name \*.lo -print | sort | $NL2SP` - done - - func_extract_archives_result="$my_oldobjs" -} - - -# func_emit_wrapper [arg=no] -# -# Emit a libtool wrapper script on stdout. -# Don't directly open a file because we may want to -# incorporate the script contents within a cygwin/mingw -# wrapper executable. Must ONLY be called from within -# func_mode_link because it depends on a number of variables -# set therein. -# -# ARG is the value that the WRAPPER_SCRIPT_BELONGS_IN_OBJDIR -# variable will take. If 'yes', then the emitted script -# will assume that the directory in which it is stored is -# the $objdir directory. This is a cygwin/mingw-specific -# behavior. -func_emit_wrapper () -{ - func_emit_wrapper_arg1=${1-no} - - $ECHO "\ -#! $SHELL - -# $output - temporary wrapper script for $objdir/$outputname -# Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION -# -# The $output program cannot be directly executed until all the libtool -# libraries that it depends on are installed. -# -# This wrapper script should never be moved out of the build directory. -# If it is, it will not operate correctly. - -# Sed substitution that helps us do robust quoting. It backslashifies -# metacharacters that are still active within double-quoted strings. -sed_quote_subst='$sed_quote_subst' - -# Be Bourne compatible -if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then - emulate sh - NULLCMD=: - # Zsh 3.x and 4.x performs word splitting on \${1+\"\$@\"}, which - # is contrary to our usage. Disable this feature. - alias -g '\${1+\"\$@\"}'='\"\$@\"' - setopt NO_GLOB_SUBST -else - case \`(set -o) 2>/dev/null\` in *posix*) set -o posix;; esac -fi -BIN_SH=xpg4; export BIN_SH # for Tru64 -DUALCASE=1; export DUALCASE # for MKS sh - -# The HP-UX ksh and POSIX shell print the target directory to stdout -# if CDPATH is set. -(unset CDPATH) >/dev/null 2>&1 && unset CDPATH - -relink_command=\"$relink_command\" - -# This environment variable determines our operation mode. -if test \"\$libtool_install_magic\" = \"$magic\"; then - # install mode needs the following variables: - generated_by_libtool_version='$macro_version' - notinst_deplibs='$notinst_deplibs' -else - # When we are sourced in execute mode, \$file and \$ECHO are already set. - if test \"\$libtool_execute_magic\" != \"$magic\"; then - file=\"\$0\"" - - qECHO=`$ECHO "$ECHO" | $SED "$sed_quote_subst"` - $ECHO "\ - -# A function that is used when there is no print builtin or printf. -func_fallback_echo () -{ - eval 'cat <<_LTECHO_EOF -\$1 -_LTECHO_EOF' -} - ECHO=\"$qECHO\" - fi - -# Very basic option parsing. These options are (a) specific to -# the libtool wrapper, (b) are identical between the wrapper -# /script/ and the wrapper /executable/ which is used only on -# windows platforms, and (c) all begin with the string "--lt-" -# (application programs are unlikely to have options which match -# this pattern). -# -# There are only two supported options: --lt-debug and -# --lt-dump-script. There is, deliberately, no --lt-help. -# -# The first argument to this parsing function should be the -# script's $0 value, followed by "$@". -lt_option_debug= -func_parse_lt_options () -{ - lt_script_arg0=\$0 - shift - for lt_opt - do - case \"\$lt_opt\" in - --lt-debug) lt_option_debug=1 ;; - --lt-dump-script) - lt_dump_D=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%/[^/]*$%%'\` - test \"X\$lt_dump_D\" = \"X\$lt_script_arg0\" && lt_dump_D=. - lt_dump_F=\`\$ECHO \"X\$lt_script_arg0\" | $SED -e 's/^X//' -e 's%^.*/%%'\` - cat \"\$lt_dump_D/\$lt_dump_F\" - exit 0 - ;; - --lt-*) - \$ECHO \"Unrecognized --lt- option: '\$lt_opt'\" 1>&2 - exit 1 - ;; - esac - done - - # Print the debug banner immediately: - if test -n \"\$lt_option_debug\"; then - echo \"${outputname}:${output}:\${LINENO}: libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\" 1>&2 - fi -} - -# Used when --lt-debug. Prints its arguments to stdout -# (redirection is the responsibility of the caller) -func_lt_dump_args () -{ - lt_dump_args_N=1; - for lt_arg - do - \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[\$lt_dump_args_N]: \$lt_arg\" - lt_dump_args_N=\`expr \$lt_dump_args_N + 1\` - done -} - -# Core function for launching the target application -func_exec_program_core () -{ -" - case $host in - # Backslashes separate directories on plain windows - *-*-mingw | *-*-os2* | *-cegcc*) - $ECHO "\ - if test -n \"\$lt_option_debug\"; then - \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir\\\\\$program\" 1>&2 - func_lt_dump_args \${1+\"\$@\"} 1>&2 - fi - exec \"\$progdir\\\\\$program\" \${1+\"\$@\"} -" - ;; - - *) - $ECHO "\ - if test -n \"\$lt_option_debug\"; then - \$ECHO \"${outputname}:${output}:\${LINENO}: newargv[0]: \$progdir/\$program\" 1>&2 - func_lt_dump_args \${1+\"\$@\"} 1>&2 - fi - exec \"\$progdir/\$program\" \${1+\"\$@\"} -" - ;; - esac - $ECHO "\ - \$ECHO \"\$0: cannot exec \$program \$*\" 1>&2 - exit 1 -} - -# A function to encapsulate launching the target application -# Strips options in the --lt-* namespace from \$@ and -# launches target application with the remaining arguments. -func_exec_program () -{ - for lt_wr_arg - do - case \$lt_wr_arg in - --lt-*) ;; - *) set x \"\$@\" \"\$lt_wr_arg\"; shift;; - esac - shift - done - func_exec_program_core \${1+\"\$@\"} -} - - # Parse options - func_parse_lt_options \"\$0\" \${1+\"\$@\"} - - # Find the directory that this script lives in. - thisdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*$%%'\` - test \"x\$thisdir\" = \"x\$file\" && thisdir=. - - # Follow symbolic links until we get to the real thisdir. - file=\`ls -ld \"\$file\" | $SED -n 's/.*-> //p'\` - while test -n \"\$file\"; do - destdir=\`\$ECHO \"\$file\" | $SED 's%/[^/]*\$%%'\` - - # If there was a directory component, then change thisdir. - if test \"x\$destdir\" != \"x\$file\"; then - case \"\$destdir\" in - [\\\\/]* | [A-Za-z]:[\\\\/]*) thisdir=\"\$destdir\" ;; - *) thisdir=\"\$thisdir/\$destdir\" ;; - esac - fi - - file=\`\$ECHO \"\$file\" | $SED 's%^.*/%%'\` - file=\`ls -ld \"\$thisdir/\$file\" | $SED -n 's/.*-> //p'\` - done - - # Usually 'no', except on cygwin/mingw when embedded into - # the cwrapper. - WRAPPER_SCRIPT_BELONGS_IN_OBJDIR=$func_emit_wrapper_arg1 - if test \"\$WRAPPER_SCRIPT_BELONGS_IN_OBJDIR\" = \"yes\"; then - # special case for '.' - if test \"\$thisdir\" = \".\"; then - thisdir=\`pwd\` - fi - # remove .libs from thisdir - case \"\$thisdir\" in - *[\\\\/]$objdir ) thisdir=\`\$ECHO \"\$thisdir\" | $SED 's%[\\\\/][^\\\\/]*$%%'\` ;; - $objdir ) thisdir=. ;; - esac - fi - - # Try to get the absolute directory name. - absdir=\`cd \"\$thisdir\" && pwd\` - test -n \"\$absdir\" && thisdir=\"\$absdir\" -" - - if test "$fast_install" = yes; then - $ECHO "\ - program=lt-'$outputname'$exeext - progdir=\"\$thisdir/$objdir\" - - if test ! -f \"\$progdir/\$program\" || - { file=\`ls -1dt \"\$progdir/\$program\" \"\$progdir/../\$program\" 2>/dev/null | ${SED} 1q\`; \\ - test \"X\$file\" != \"X\$progdir/\$program\"; }; then - - file=\"\$\$-\$program\" - - if test ! -d \"\$progdir\"; then - $MKDIR \"\$progdir\" - else - $RM \"\$progdir/\$file\" - fi" - - $ECHO "\ - - # relink executable if necessary - if test -n \"\$relink_command\"; then - if relink_command_output=\`eval \$relink_command 2>&1\`; then : - else - $ECHO \"\$relink_command_output\" >&2 - $RM \"\$progdir/\$file\" - exit 1 - fi - fi - - $MV \"\$progdir/\$file\" \"\$progdir/\$program\" 2>/dev/null || - { $RM \"\$progdir/\$program\"; - $MV \"\$progdir/\$file\" \"\$progdir/\$program\"; } - $RM \"\$progdir/\$file\" - fi" - else - $ECHO "\ - program='$outputname' - progdir=\"\$thisdir/$objdir\" -" - fi - - $ECHO "\ - - if test -f \"\$progdir/\$program\"; then" - - # Export our shlibpath_var if we have one. - if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then - $ECHO "\ - # Add our own library path to $shlibpath_var - $shlibpath_var=\"$temp_rpath\$$shlibpath_var\" - - # Some systems cannot cope with colon-terminated $shlibpath_var - # The second colon is a workaround for a bug in BeOS R4 sed - $shlibpath_var=\`\$ECHO \"\$$shlibpath_var\" | $SED 's/::*\$//'\` - - export $shlibpath_var -" - fi - - # fixup the dll searchpath if we need to. - if test -n "$dllsearchpath"; then - $ECHO "\ - # Add the dll search path components to the executable PATH - PATH=$dllsearchpath:\$PATH -" - fi - - $ECHO "\ - if test \"\$libtool_execute_magic\" != \"$magic\"; then - # Run the actual program with our arguments. - func_exec_program \${1+\"\$@\"} - fi - else - # The program doesn't exist. - \$ECHO \"\$0: error: \\\`\$progdir/\$program' does not exist\" 1>&2 - \$ECHO \"This script is just a wrapper for \$program.\" 1>&2 - \$ECHO \"See the $PACKAGE documentation for more information.\" 1>&2 - exit 1 - fi -fi\ -" -} - - -# func_to_host_path arg -# -# Convert paths to host format when used with build tools. -# Intended for use with "native" mingw (where libtool itself -# is running under the msys shell), or in the following cross- -# build environments: -# $build $host -# mingw (msys) mingw [e.g. native] -# cygwin mingw -# *nix + wine mingw -# where wine is equipped with the `winepath' executable. -# In the native mingw case, the (msys) shell automatically -# converts paths for any non-msys applications it launches, -# but that facility isn't available from inside the cwrapper. -# Similar accommodations are necessary for $host mingw and -# $build cygwin. Calling this function does no harm for other -# $host/$build combinations not listed above. -# -# ARG is the path (on $build) that should be converted to -# the proper representation for $host. The result is stored -# in $func_to_host_path_result. -func_to_host_path () -{ - func_to_host_path_result="$1" - if test -n "$1"; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - case $build in - *mingw* ) # actually, msys - # awkward: cmd appends spaces to result - func_to_host_path_result=`( cmd //c echo "$1" ) 2>/dev/null | - $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_path_result=`cygpath -w "$1" | - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # Unfortunately, winepath does not exit with a non-zero - # error code, so we are forced to check the contents of - # stdout. On the other hand, if the command is not - # found, the shell will set an exit code of 127 and print - # *an error message* to stdout. So we must check for both - # error code of zero AND non-empty stdout, which explains - # the odd construction: - func_to_host_path_tmp1=`winepath -w "$1" 2>/dev/null` - if test "$?" -eq 0 && test -n "${func_to_host_path_tmp1}"; then - func_to_host_path_result=`$ECHO "$func_to_host_path_tmp1" | - $SED -e "$lt_sed_naive_backslashify"` - else - # Allow warning below. - func_to_host_path_result= - fi - ;; - esac - if test -z "$func_to_host_path_result" ; then - func_error "Could not determine host path corresponding to" - func_error " \`$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback: - func_to_host_path_result="$1" - fi - ;; - esac - fi -} -# end: func_to_host_path - -# func_to_host_pathlist arg -# -# Convert pathlists to host format when used with build tools. -# See func_to_host_path(), above. This function supports the -# following $build/$host combinations (but does no harm for -# combinations not listed here): -# $build $host -# mingw (msys) mingw [e.g. native] -# cygwin mingw -# *nix + wine mingw -# -# Path separators are also converted from $build format to -# $host format. If ARG begins or ends with a path separator -# character, it is preserved (but converted to $host format) -# on output. -# -# ARG is a pathlist (on $build) that should be converted to -# the proper representation on $host. The result is stored -# in $func_to_host_pathlist_result. -func_to_host_pathlist () -{ - func_to_host_pathlist_result="$1" - if test -n "$1"; then - case $host in - *mingw* ) - lt_sed_naive_backslashify='s|\\\\*|\\|g;s|/|\\|g;s|\\|\\\\|g' - # Remove leading and trailing path separator characters from - # ARG. msys behavior is inconsistent here, cygpath turns them - # into '.;' and ';.', and winepath ignores them completely. - func_stripname : : "$1" - func_to_host_pathlist_tmp1=$func_stripname_result - case $build in - *mingw* ) # Actually, msys. - # Awkward: cmd appends spaces to result. - func_to_host_pathlist_result=` - ( cmd //c echo "$func_to_host_pathlist_tmp1" ) 2>/dev/null | - $SED -e 's/[ ]*$//' -e "$lt_sed_naive_backslashify"` - ;; - *cygwin* ) - func_to_host_pathlist_result=`cygpath -w -p "$func_to_host_pathlist_tmp1" | - $SED -e "$lt_sed_naive_backslashify"` - ;; - * ) - # unfortunately, winepath doesn't convert pathlists - func_to_host_pathlist_result="" - func_to_host_pathlist_oldIFS=$IFS - IFS=: - for func_to_host_pathlist_f in $func_to_host_pathlist_tmp1 ; do - IFS=$func_to_host_pathlist_oldIFS - if test -n "$func_to_host_pathlist_f" ; then - func_to_host_path "$func_to_host_pathlist_f" - if test -n "$func_to_host_path_result" ; then - if test -z "$func_to_host_pathlist_result" ; then - func_to_host_pathlist_result="$func_to_host_path_result" - else - func_append func_to_host_pathlist_result ";$func_to_host_path_result" - fi - fi - fi - done - IFS=$func_to_host_pathlist_oldIFS - ;; - esac - if test -z "$func_to_host_pathlist_result"; then - func_error "Could not determine the host path(s) corresponding to" - func_error " \`$1'" - func_error "Continuing, but uninstalled executables may not work." - # Fallback. This may break if $1 contains DOS-style drive - # specifications. The fix is not to complicate the expression - # below, but for the user to provide a working wine installation - # with winepath so that path translation in the cross-to-mingw - # case works properly. - lt_replace_pathsep_nix_to_dos="s|:|;|g" - func_to_host_pathlist_result=`echo "$func_to_host_pathlist_tmp1" |\ - $SED -e "$lt_replace_pathsep_nix_to_dos"` - fi - # Now, add the leading and trailing path separators back - case "$1" in - :* ) func_to_host_pathlist_result=";$func_to_host_pathlist_result" - ;; - esac - case "$1" in - *: ) func_append func_to_host_pathlist_result ";" - ;; - esac - ;; - esac - fi -} -# end: func_to_host_pathlist - -# func_emit_cwrapperexe_src -# emit the source code for a wrapper executable on stdout -# Must ONLY be called from within func_mode_link because -# it depends on a number of variable set therein. -func_emit_cwrapperexe_src () -{ - cat <<EOF - -/* $cwrappersource - temporary wrapper executable for $objdir/$outputname - Generated by $PROGRAM (GNU $PACKAGE$TIMESTAMP) $VERSION - - The $output program cannot be directly executed until all the libtool - libraries that it depends on are installed. - - This wrapper executable should never be moved out of the build directory. - If it is, it will not operate correctly. -*/ -EOF - cat <<"EOF" -#ifdef _MSC_VER -# define _CRT_SECURE_NO_DEPRECATE 1 -#endif -#include <stdio.h> -#include <stdlib.h> -#ifdef _MSC_VER -# include <direct.h> -# include <process.h> -# include <io.h> -#else -# include <unistd.h> -# include <stdint.h> -# ifdef __CYGWIN__ -# include <io.h> -# endif -#endif -#include <malloc.h> -#include <stdarg.h> -#include <assert.h> -#include <string.h> -#include <ctype.h> -#include <errno.h> -#include <fcntl.h> -#include <sys/stat.h> - -/* declarations of non-ANSI functions */ -#if defined(__MINGW32__) -# ifdef __STRICT_ANSI__ -int _putenv (const char *); -# endif -#elif defined(__CYGWIN__) -# ifdef __STRICT_ANSI__ -char *realpath (const char *, char *); -int putenv (char *); -int setenv (const char *, const char *, int); -# endif -/* #elif defined (other platforms) ... */ -#endif - -/* portability defines, excluding path handling macros */ -#if defined(_MSC_VER) -# define setmode _setmode -# define stat _stat -# define chmod _chmod -# define getcwd _getcwd -# define putenv _putenv -# define S_IXUSR _S_IEXEC -# ifndef _INTPTR_T_DEFINED -# define _INTPTR_T_DEFINED -# define intptr_t int -# endif -#elif defined(__MINGW32__) -# define setmode _setmode -# define stat _stat -# define chmod _chmod -# define getcwd _getcwd -# define putenv _putenv -#elif defined(__CYGWIN__) -# define HAVE_SETENV -# define FOPEN_WB "wb" -/* #elif defined (other platforms) ... */ -#endif - -#if defined(PATH_MAX) -# define LT_PATHMAX PATH_MAX -#elif defined(MAXPATHLEN) -# define LT_PATHMAX MAXPATHLEN -#else -# define LT_PATHMAX 1024 -#endif - -#ifndef S_IXOTH -# define S_IXOTH 0 -#endif -#ifndef S_IXGRP -# define S_IXGRP 0 -#endif - -/* path handling portability macros */ -#ifndef DIR_SEPARATOR -# define DIR_SEPARATOR '/' -# define PATH_SEPARATOR ':' -#endif - -#if defined (_WIN32) || defined (__MSDOS__) || defined (__DJGPP__) || \ - defined (__OS2__) -# define HAVE_DOS_BASED_FILE_SYSTEM -# define FOPEN_WB "wb" -# ifndef DIR_SEPARATOR_2 -# define DIR_SEPARATOR_2 '\\' -# endif -# ifndef PATH_SEPARATOR_2 -# define PATH_SEPARATOR_2 ';' -# endif -#endif - -#ifndef DIR_SEPARATOR_2 -# define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) -#else /* DIR_SEPARATOR_2 */ -# define IS_DIR_SEPARATOR(ch) \ - (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) -#endif /* DIR_SEPARATOR_2 */ - -#ifndef PATH_SEPARATOR_2 -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR) -#else /* PATH_SEPARATOR_2 */ -# define IS_PATH_SEPARATOR(ch) ((ch) == PATH_SEPARATOR_2) -#endif /* PATH_SEPARATOR_2 */ - -#ifndef FOPEN_WB -# define FOPEN_WB "w" -#endif -#ifndef _O_BINARY -# define _O_BINARY 0 -#endif - -#define XMALLOC(type, num) ((type *) xmalloc ((num) * sizeof(type))) -#define XFREE(stale) do { \ - if (stale) { free ((void *) stale); stale = 0; } \ -} while (0) - -#if defined(LT_DEBUGWRAPPER) -static int lt_debug = 1; -#else -static int lt_debug = 0; -#endif - -const char *program_name = "libtool-wrapper"; /* in case xstrdup fails */ - -void *xmalloc (size_t num); -char *xstrdup (const char *string); -const char *base_name (const char *name); -char *find_executable (const char *wrapper); -char *chase_symlinks (const char *pathspec); -int make_executable (const char *path); -int check_executable (const char *path); -char *strendzap (char *str, const char *pat); -void lt_debugprintf (const char *file, int line, const char *fmt, ...); -void lt_fatal (const char *file, int line, const char *message, ...); -static const char *nonnull (const char *s); -static const char *nonempty (const char *s); -void lt_setenv (const char *name, const char *value); -char *lt_extend_str (const char *orig_value, const char *add, int to_end); -void lt_update_exe_path (const char *name, const char *value); -void lt_update_lib_path (const char *name, const char *value); -char **prepare_spawn (char **argv); -void lt_dump_script (FILE *f); -EOF - - cat <<EOF -const char * MAGIC_EXE = "$magic_exe"; -const char * LIB_PATH_VARNAME = "$shlibpath_var"; -EOF - - if test "$shlibpath_overrides_runpath" = yes && test -n "$shlibpath_var" && test -n "$temp_rpath"; then - func_to_host_pathlist "$temp_rpath" - cat <<EOF -const char * LIB_PATH_VALUE = "$func_to_host_pathlist_result"; -EOF - else - cat <<"EOF" -const char * LIB_PATH_VALUE = ""; -EOF - fi - - if test -n "$dllsearchpath"; then - func_to_host_pathlist "$dllsearchpath:" - cat <<EOF -const char * EXE_PATH_VARNAME = "PATH"; -const char * EXE_PATH_VALUE = "$func_to_host_pathlist_result"; -EOF - else - cat <<"EOF" -const char * EXE_PATH_VARNAME = ""; -const char * EXE_PATH_VALUE = ""; -EOF - fi - - if test "$fast_install" = yes; then - cat <<EOF -const char * TARGET_PROGRAM_NAME = "lt-$outputname"; /* hopefully, no .exe */ -EOF - else - cat <<EOF -const char * TARGET_PROGRAM_NAME = "$outputname"; /* hopefully, no .exe */ -EOF - fi - - - cat <<"EOF" - -#define LTWRAPPER_OPTION_PREFIX "--lt-" - -static const char *ltwrapper_option_prefix = LTWRAPPER_OPTION_PREFIX; -static const char *dumpscript_opt = LTWRAPPER_OPTION_PREFIX "dump-script"; -static const char *debug_opt = LTWRAPPER_OPTION_PREFIX "debug"; - -int -main (int argc, char *argv[]) -{ - char **newargz; - int newargc; - char *tmp_pathspec; - char *actual_cwrapper_path; - char *actual_cwrapper_name; - char *target_name; - char *lt_argv_zero; - intptr_t rval = 127; - - int i; - - program_name = (char *) xstrdup (base_name (argv[0])); - newargz = XMALLOC (char *, argc + 1); - - /* very simple arg parsing; don't want to rely on getopt - * also, copy all non cwrapper options to newargz, except - * argz[0], which is handled differently - */ - newargc=0; - for (i = 1; i < argc; i++) - { - if (strcmp (argv[i], dumpscript_opt) == 0) - { -EOF - case "$host" in - *mingw* | *cygwin* ) - # make stdout use "unix" line endings - echo " setmode(1,_O_BINARY);" - ;; - esac - - cat <<"EOF" - lt_dump_script (stdout); - return 0; - } - if (strcmp (argv[i], debug_opt) == 0) - { - lt_debug = 1; - continue; - } - if (strcmp (argv[i], ltwrapper_option_prefix) == 0) - { - /* however, if there is an option in the LTWRAPPER_OPTION_PREFIX - namespace, but it is not one of the ones we know about and - have already dealt with, above (inluding dump-script), then - report an error. Otherwise, targets might begin to believe - they are allowed to use options in the LTWRAPPER_OPTION_PREFIX - namespace. The first time any user complains about this, we'll - need to make LTWRAPPER_OPTION_PREFIX a configure-time option - or a configure.ac-settable value. - */ - lt_fatal (__FILE__, __LINE__, - "unrecognized %s option: '%s'", - ltwrapper_option_prefix, argv[i]); - } - /* otherwise ... */ - newargz[++newargc] = xstrdup (argv[i]); - } - newargz[++newargc] = NULL; - -EOF - cat <<EOF - /* The GNU banner must be the first non-error debug message */ - lt_debugprintf (__FILE__, __LINE__, "libtool wrapper (GNU $PACKAGE$TIMESTAMP) $VERSION\n"); -EOF - cat <<"EOF" - lt_debugprintf (__FILE__, __LINE__, "(main) argv[0]: %s\n", argv[0]); - lt_debugprintf (__FILE__, __LINE__, "(main) program_name: %s\n", program_name); - - tmp_pathspec = find_executable (argv[0]); - if (tmp_pathspec == NULL) - lt_fatal (__FILE__, __LINE__, "couldn't find %s", argv[0]); - lt_debugprintf (__FILE__, __LINE__, - "(main) found exe (before symlink chase) at: %s\n", - tmp_pathspec); - - actual_cwrapper_path = chase_symlinks (tmp_pathspec); - lt_debugprintf (__FILE__, __LINE__, - "(main) found exe (after symlink chase) at: %s\n", - actual_cwrapper_path); - XFREE (tmp_pathspec); - - actual_cwrapper_name = xstrdup (base_name (actual_cwrapper_path)); - strendzap (actual_cwrapper_path, actual_cwrapper_name); - - /* wrapper name transforms */ - strendzap (actual_cwrapper_name, ".exe"); - tmp_pathspec = lt_extend_str (actual_cwrapper_name, ".exe", 1); - XFREE (actual_cwrapper_name); - actual_cwrapper_name = tmp_pathspec; - tmp_pathspec = 0; - - /* target_name transforms -- use actual target program name; might have lt- prefix */ - target_name = xstrdup (base_name (TARGET_PROGRAM_NAME)); - strendzap (target_name, ".exe"); - tmp_pathspec = lt_extend_str (target_name, ".exe", 1); - XFREE (target_name); - target_name = tmp_pathspec; - tmp_pathspec = 0; - - lt_debugprintf (__FILE__, __LINE__, - "(main) libtool target name: %s\n", - target_name); -EOF - - cat <<EOF - newargz[0] = - XMALLOC (char, (strlen (actual_cwrapper_path) + - strlen ("$objdir") + 1 + strlen (actual_cwrapper_name) + 1)); - strcpy (newargz[0], actual_cwrapper_path); - strcat (newargz[0], "$objdir"); - strcat (newargz[0], "/"); -EOF - - cat <<"EOF" - /* stop here, and copy so we don't have to do this twice */ - tmp_pathspec = xstrdup (newargz[0]); - - /* do NOT want the lt- prefix here, so use actual_cwrapper_name */ - strcat (newargz[0], actual_cwrapper_name); - - /* DO want the lt- prefix here if it exists, so use target_name */ - lt_argv_zero = lt_extend_str (tmp_pathspec, target_name, 1); - XFREE (tmp_pathspec); - tmp_pathspec = NULL; -EOF - - case $host_os in - mingw*) - cat <<"EOF" - { - char* p; - while ((p = strchr (newargz[0], '\\')) != NULL) - { - *p = '/'; - } - while ((p = strchr (lt_argv_zero, '\\')) != NULL) - { - *p = '/'; - } - } -EOF - ;; - esac - - cat <<"EOF" - XFREE (target_name); - XFREE (actual_cwrapper_path); - XFREE (actual_cwrapper_name); - - lt_setenv ("BIN_SH", "xpg4"); /* for Tru64 */ - lt_setenv ("DUALCASE", "1"); /* for MSK sh */ - lt_update_lib_path (LIB_PATH_VARNAME, LIB_PATH_VALUE); - lt_update_exe_path (EXE_PATH_VARNAME, EXE_PATH_VALUE); - - lt_debugprintf (__FILE__, __LINE__, "(main) lt_argv_zero: %s\n", - nonnull (lt_argv_zero)); - for (i = 0; i < newargc; i++) - { - lt_debugprintf (__FILE__, __LINE__, "(main) newargz[%d]: %s\n", - i, nonnull (newargz[i])); - } - -EOF - - case $host_os in - mingw*) - cat <<"EOF" - /* execv doesn't actually work on mingw as expected on unix */ - newargz = prepare_spawn (newargz); - rval = _spawnv (_P_WAIT, lt_argv_zero, (const char * const *) newargz); - if (rval == -1) - { - /* failed to start process */ - lt_debugprintf (__FILE__, __LINE__, - "(main) failed to launch target \"%s\": %s\n", - lt_argv_zero, nonnull (strerror (errno))); - return 127; - } - return rval; -EOF - ;; - *) - cat <<"EOF" - execv (lt_argv_zero, newargz); - return rval; /* =127, but avoids unused variable warning */ -EOF - ;; - esac - - cat <<"EOF" -} - -void * -xmalloc (size_t num) -{ - void *p = (void *) malloc (num); - if (!p) - lt_fatal (__FILE__, __LINE__, "memory exhausted"); - - return p; -} - -char * -xstrdup (const char *string) -{ - return string ? strcpy ((char *) xmalloc (strlen (string) + 1), - string) : NULL; -} - -const char * -base_name (const char *name) -{ - const char *base; - -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - /* Skip over the disk name in MSDOS pathnames. */ - if (isalpha ((unsigned char) name[0]) && name[1] == ':') - name += 2; -#endif - - for (base = name; *name; name++) - if (IS_DIR_SEPARATOR (*name)) - base = name + 1; - return base; -} - -int -check_executable (const char *path) -{ - struct stat st; - - lt_debugprintf (__FILE__, __LINE__, "(check_executable): %s\n", - nonempty (path)); - if ((!path) || (!*path)) - return 0; - - if ((stat (path, &st) >= 0) - && (st.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH))) - return 1; - else - return 0; -} - -int -make_executable (const char *path) -{ - int rval = 0; - struct stat st; - - lt_debugprintf (__FILE__, __LINE__, "(make_executable): %s\n", - nonempty (path)); - if ((!path) || (!*path)) - return 0; - - if (stat (path, &st) >= 0) - { - rval = chmod (path, st.st_mode | S_IXOTH | S_IXGRP | S_IXUSR); - } - return rval; -} - -/* Searches for the full path of the wrapper. Returns - newly allocated full path name if found, NULL otherwise - Does not chase symlinks, even on platforms that support them. -*/ -char * -find_executable (const char *wrapper) -{ - int has_slash = 0; - const char *p; - const char *p_next; - /* static buffer for getcwd */ - char tmp[LT_PATHMAX + 1]; - int tmp_len; - char *concat_name; - - lt_debugprintf (__FILE__, __LINE__, "(find_executable): %s\n", - nonempty (wrapper)); - - if ((wrapper == NULL) || (*wrapper == '\0')) - return NULL; - - /* Absolute path? */ -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - if (isalpha ((unsigned char) wrapper[0]) && wrapper[1] == ':') - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - else - { -#endif - if (IS_DIR_SEPARATOR (wrapper[0])) - { - concat_name = xstrdup (wrapper); - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } -#if defined (HAVE_DOS_BASED_FILE_SYSTEM) - } -#endif - - for (p = wrapper; *p; p++) - if (*p == '/') - { - has_slash = 1; - break; - } - if (!has_slash) - { - /* no slashes; search PATH */ - const char *path = getenv ("PATH"); - if (path != NULL) - { - for (p = path; *p; p = p_next) - { - const char *q; - size_t p_len; - for (q = p; *q; q++) - if (IS_PATH_SEPARATOR (*q)) - break; - p_len = q - p; - p_next = (*q == '\0' ? q : q + 1); - if (p_len == 0) - { - /* empty path: current directory */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", - nonnull (strerror (errno))); - tmp_len = strlen (tmp); - concat_name = - XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - } - else - { - concat_name = - XMALLOC (char, p_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, p, p_len); - concat_name[p_len] = '/'; - strcpy (concat_name + p_len + 1, wrapper); - } - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - } - } - /* not found in PATH; assume curdir */ - } - /* Relative path | not found in path: prepend cwd */ - if (getcwd (tmp, LT_PATHMAX) == NULL) - lt_fatal (__FILE__, __LINE__, "getcwd failed: %s", - nonnull (strerror (errno))); - tmp_len = strlen (tmp); - concat_name = XMALLOC (char, tmp_len + 1 + strlen (wrapper) + 1); - memcpy (concat_name, tmp, tmp_len); - concat_name[tmp_len] = '/'; - strcpy (concat_name + tmp_len + 1, wrapper); - - if (check_executable (concat_name)) - return concat_name; - XFREE (concat_name); - return NULL; -} - -char * -chase_symlinks (const char *pathspec) -{ -#ifndef S_ISLNK - return xstrdup (pathspec); -#else - char buf[LT_PATHMAX]; - struct stat s; - char *tmp_pathspec = xstrdup (pathspec); - char *p; - int has_symlinks = 0; - while (strlen (tmp_pathspec) && !has_symlinks) - { - lt_debugprintf (__FILE__, __LINE__, - "checking path component for symlinks: %s\n", - tmp_pathspec); - if (lstat (tmp_pathspec, &s) == 0) - { - if (S_ISLNK (s.st_mode) != 0) - { - has_symlinks = 1; - break; - } - - /* search backwards for last DIR_SEPARATOR */ - p = tmp_pathspec + strlen (tmp_pathspec) - 1; - while ((p > tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - p--; - if ((p == tmp_pathspec) && (!IS_DIR_SEPARATOR (*p))) - { - /* no more DIR_SEPARATORS left */ - break; - } - *p = '\0'; - } - else - { - lt_fatal (__FILE__, __LINE__, - "error accessing file \"%s\": %s", - tmp_pathspec, nonnull (strerror (errno))); - } - } - XFREE (tmp_pathspec); - - if (!has_symlinks) - { - return xstrdup (pathspec); - } - - tmp_pathspec = realpath (pathspec, buf); - if (tmp_pathspec == 0) - { - lt_fatal (__FILE__, __LINE__, - "could not follow symlinks for %s", pathspec); - } - return xstrdup (tmp_pathspec); -#endif -} - -char * -strendzap (char *str, const char *pat) -{ - size_t len, patlen; - - assert (str != NULL); - assert (pat != NULL); - - len = strlen (str); - patlen = strlen (pat); - - if (patlen <= len) - { - str += len - patlen; - if (strcmp (str, pat) == 0) - *str = '\0'; - } - return str; -} - -void -lt_debugprintf (const char *file, int line, const char *fmt, ...) -{ - va_list args; - if (lt_debug) - { - (void) fprintf (stderr, "%s:%s:%d: ", program_name, file, line); - va_start (args, fmt); - (void) vfprintf (stderr, fmt, args); - va_end (args); - } -} - -static void -lt_error_core (int exit_status, const char *file, - int line, const char *mode, - const char *message, va_list ap) -{ - fprintf (stderr, "%s:%s:%d: %s: ", program_name, file, line, mode); - vfprintf (stderr, message, ap); - fprintf (stderr, ".\n"); - - if (exit_status >= 0) - exit (exit_status); -} - -void -lt_fatal (const char *file, int line, const char *message, ...) -{ - va_list ap; - va_start (ap, message); - lt_error_core (EXIT_FAILURE, file, line, "FATAL", message, ap); - va_end (ap); -} - -static const char * -nonnull (const char *s) -{ - return s ? s : "(null)"; -} - -static const char * -nonempty (const char *s) -{ - return (s && !*s) ? "(empty)" : nonnull (s); -} - -void -lt_setenv (const char *name, const char *value) -{ - lt_debugprintf (__FILE__, __LINE__, - "(lt_setenv) setting '%s' to '%s'\n", - nonnull (name), nonnull (value)); - { -#ifdef HAVE_SETENV - /* always make a copy, for consistency with !HAVE_SETENV */ - char *str = xstrdup (value); - setenv (name, str, 1); -#else - int len = strlen (name) + 1 + strlen (value) + 1; - char *str = XMALLOC (char, len); - sprintf (str, "%s=%s", name, value); - if (putenv (str) != EXIT_SUCCESS) - { - XFREE (str); - } -#endif - } -} - -char * -lt_extend_str (const char *orig_value, const char *add, int to_end) -{ - char *new_value; - if (orig_value && *orig_value) - { - int orig_value_len = strlen (orig_value); - int add_len = strlen (add); - new_value = XMALLOC (char, add_len + orig_value_len + 1); - if (to_end) - { - strcpy (new_value, orig_value); - strcpy (new_value + orig_value_len, add); - } - else - { - strcpy (new_value, add); - strcpy (new_value + add_len, orig_value); - } - } - else - { - new_value = xstrdup (add); - } - return new_value; -} - -void -lt_update_exe_path (const char *name, const char *value) -{ - lt_debugprintf (__FILE__, __LINE__, - "(lt_update_exe_path) modifying '%s' by prepending '%s'\n", - nonnull (name), nonnull (value)); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - /* some systems can't cope with a ':'-terminated path #' */ - int len = strlen (new_value); - while (((len = strlen (new_value)) > 0) && IS_PATH_SEPARATOR (new_value[len-1])) - { - new_value[len-1] = '\0'; - } - lt_setenv (name, new_value); - XFREE (new_value); - } -} - -void -lt_update_lib_path (const char *name, const char *value) -{ - lt_debugprintf (__FILE__, __LINE__, - "(lt_update_lib_path) modifying '%s' by prepending '%s'\n", - nonnull (name), nonnull (value)); - - if (name && *name && value && *value) - { - char *new_value = lt_extend_str (getenv (name), value, 0); - lt_setenv (name, new_value); - XFREE (new_value); - } -} - -EOF - case $host_os in - mingw*) - cat <<"EOF" - -/* Prepares an argument vector before calling spawn(). - Note that spawn() does not by itself call the command interpreter - (getenv ("COMSPEC") != NULL ? getenv ("COMSPEC") : - ({ OSVERSIONINFO v; v.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); - GetVersionEx(&v); - v.dwPlatformId == VER_PLATFORM_WIN32_NT; - }) ? "cmd.exe" : "command.com"). - Instead it simply concatenates the arguments, separated by ' ', and calls - CreateProcess(). We must quote the arguments since Win32 CreateProcess() - interprets characters like ' ', '\t', '\\', '"' (but not '<' and '>') in a - special way: - - Space and tab are interpreted as delimiters. They are not treated as - delimiters if they are surrounded by double quotes: "...". - - Unescaped double quotes are removed from the input. Their only effect is - that within double quotes, space and tab are treated like normal - characters. - - Backslashes not followed by double quotes are not special. - - But 2*n+1 backslashes followed by a double quote become - n backslashes followed by a double quote (n >= 0): - \" -> " - \\\" -> \" - \\\\\" -> \\" - */ -#define SHELL_SPECIAL_CHARS "\"\\ \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" -#define SHELL_SPACE_CHARS " \001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037" -char ** -prepare_spawn (char **argv) -{ - size_t argc; - char **new_argv; - size_t i; - - /* Count number of arguments. */ - for (argc = 0; argv[argc] != NULL; argc++) - ; - - /* Allocate new argument vector. */ - new_argv = XMALLOC (char *, argc + 1); - - /* Put quoted arguments into the new argument vector. */ - for (i = 0; i < argc; i++) - { - const char *string = argv[i]; - - if (string[0] == '\0') - new_argv[i] = xstrdup ("\"\""); - else if (strpbrk (string, SHELL_SPECIAL_CHARS) != NULL) - { - int quote_around = (strpbrk (string, SHELL_SPACE_CHARS) != NULL); - size_t length; - unsigned int backslashes; - const char *s; - char *quoted_string; - char *p; - - length = 0; - backslashes = 0; - if (quote_around) - length++; - for (s = string; *s != '\0'; s++) - { - char c = *s; - if (c == '"') - length += backslashes + 1; - length++; - if (c == '\\') - backslashes++; - else - backslashes = 0; - } - if (quote_around) - length += backslashes + 1; - - quoted_string = XMALLOC (char, length + 1); - - p = quoted_string; - backslashes = 0; - if (quote_around) - *p++ = '"'; - for (s = string; *s != '\0'; s++) - { - char c = *s; - if (c == '"') - { - unsigned int j; - for (j = backslashes + 1; j > 0; j--) - *p++ = '\\'; - } - *p++ = c; - if (c == '\\') - backslashes++; - else - backslashes = 0; - } - if (quote_around) - { - unsigned int j; - for (j = backslashes; j > 0; j--) - *p++ = '\\'; - *p++ = '"'; - } - *p = '\0'; - - new_argv[i] = quoted_string; - } - else - new_argv[i] = (char *) string; - } - new_argv[argc] = NULL; - - return new_argv; -} -EOF - ;; - esac - - cat <<"EOF" -void lt_dump_script (FILE* f) -{ -EOF - func_emit_wrapper yes | - $SED -e 's/\([\\"]\)/\\\1/g' \ - -e 's/^/ fputs ("/' -e 's/$/\\n", f);/' - - cat <<"EOF" -} -EOF -} -# end: func_emit_cwrapperexe_src - -# func_win32_import_lib_p ARG -# True if ARG is an import lib, as indicated by $file_magic_cmd -func_win32_import_lib_p () -{ - $opt_debug - case `eval $file_magic_cmd \"\$1\" 2>/dev/null | $SED -e 10q` in - *import*) : ;; - *) false ;; - esac -} - -# func_mode_link arg... -func_mode_link () -{ - $opt_debug - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - # It is impossible to link a dll without this setting, and - # we shouldn't force the makefile maintainer to figure out - # which system we are compiling for in order to pass an extra - # flag for every libtool invocation. - # allow_undefined=no - - # FIXME: Unfortunately, there are problems with the above when trying - # to make a dll which has undefined symbols, in which case not - # even a static library is built. For now, we need to specify - # -no-undefined on the libtool link line when we can be certain - # that all symbols are satisfied, otherwise we get a static library. - allow_undefined=yes - ;; - *) - allow_undefined=yes - ;; - esac - libtool_args=$nonopt - base_compile="$nonopt $@" - compile_command=$nonopt - finalize_command=$nonopt - - compile_rpath= - finalize_rpath= - compile_shlibpath= - finalize_shlibpath= - convenience= - old_convenience= - deplibs= - old_deplibs= - compiler_flags= - linker_flags= - dllsearchpath= - lib_search_path=`pwd` - inst_prefix_dir= - new_inherited_linker_flags= - - avoid_version=no - bindir= - dlfiles= - dlprefiles= - dlself=no - export_dynamic=no - export_symbols= - export_symbols_regex= - generated= - libobjs= - ltlibs= - module=no - no_install=no - objs= - non_pic_objects= - precious_files_regex= - prefer_static_libs=no - preload=no - prev= - prevarg= - release= - rpath= - xrpath= - perm_rpath= - temp_rpath= - thread_safe=no - vinfo= - vinfo_number=no - weak_libs= - single_module="${wl}-single_module" - func_infer_tag $base_compile - - # We need to know -static, to get the right output filenames. - for arg - do - case $arg in - -shared) - test "$build_libtool_libs" != yes && \ - func_fatal_configuration "can not build a shared library" - build_old_libs=no - break - ;; - -all-static | -static | -static-libtool-libs) - case $arg in - -all-static) - if test "$build_libtool_libs" = yes && test -z "$link_static_flag"; then - func_warning "complete static linking is impossible in this configuration" - fi - if test -n "$link_static_flag"; then - dlopen_self=$dlopen_self_static - fi - prefer_static_libs=yes - ;; - -static) - if test -z "$pic_flag" && test -n "$link_static_flag"; then - dlopen_self=$dlopen_self_static - fi - prefer_static_libs=built - ;; - -static-libtool-libs) - if test -z "$pic_flag" && test -n "$link_static_flag"; then - dlopen_self=$dlopen_self_static - fi - prefer_static_libs=yes - ;; - esac - build_libtool_libs=no - build_old_libs=yes - break - ;; - esac - done - - # See if our shared archives depend on static archives. - test -n "$old_archive_from_new_cmds" && build_old_libs=yes - - # Go through the arguments, transforming them on the way. - while test "$#" -gt 0; do - arg="$1" - shift - func_quote_for_eval "$arg" - qarg=$func_quote_for_eval_unquoted_result - func_append libtool_args " $func_quote_for_eval_result" - - # If the previous option needs an argument, assign it. - if test -n "$prev"; then - case $prev in - output) - func_append compile_command " @OUTPUT@" - func_append finalize_command " @OUTPUT@" - ;; - esac - - case $prev in - bindir) - bindir="$arg" - prev= - continue - ;; - dlfiles|dlprefiles) - if test "$preload" = no; then - # Add the symbol object into the linking commands. - func_append compile_command " @SYMFILE@" - func_append finalize_command " @SYMFILE@" - preload=yes - fi - case $arg in - *.la | *.lo) ;; # We handle these cases below. - force) - if test "$dlself" = no; then - dlself=needless - export_dynamic=yes - fi - prev= - continue - ;; - self) - if test "$prev" = dlprefiles; then - dlself=yes - elif test "$prev" = dlfiles && test "$dlopen_self" != yes; then - dlself=yes - else - dlself=needless - export_dynamic=yes - fi - prev= - continue - ;; - *) - if test "$prev" = dlfiles; then - dlfiles="$dlfiles $arg" - else - dlprefiles="$dlprefiles $arg" - fi - prev= - continue - ;; - esac - ;; - expsyms) - export_symbols="$arg" - test -f "$arg" \ - || func_fatal_error "symbol file \`$arg' does not exist" - prev= - continue - ;; - expsyms_regex) - export_symbols_regex="$arg" - prev= - continue - ;; - framework) - case $host in - *-*-darwin*) - case "$deplibs " in - *" $qarg.ltframework "*) ;; - *) deplibs="$deplibs $qarg.ltframework" # this is fixed later - ;; - esac - ;; - esac - prev= - continue - ;; - inst_prefix) - inst_prefix_dir="$arg" - prev= - continue - ;; - objectlist) - if test -f "$arg"; then - save_arg=$arg - moreargs= - for fil in `cat "$save_arg"` - do -# moreargs="$moreargs $fil" - arg=$fil - # A libtool-controlled object. - - # Check to see that this really is a libtool object. - if func_lalib_unsafe_p "$arg"; then - pic_object= - non_pic_object= - - # Read the .lo file - func_source "$arg" - - if test -z "$pic_object" || - test -z "$non_pic_object" || - test "$pic_object" = none && - test "$non_pic_object" = none; then - func_fatal_error "cannot find name of object for \`$arg'" - fi - - # Extract subdirectory from the argument. - func_dirname "$arg" "/" "" - xdir="$func_dirname_result" - - if test "$pic_object" != none; then - # Prepend the subdirectory the object is found in. - pic_object="$xdir$pic_object" - - if test "$prev" = dlfiles; then - if test "$build_libtool_libs" = yes && test "$dlopen_support" = yes; then - dlfiles="$dlfiles $pic_object" - prev= - continue - else - # If libtool objects are unsupported, then we need to preload. - prev=dlprefiles - fi - fi - - # CHECK ME: I think I busted this. -Ossama - if test "$prev" = dlprefiles; then - # Preload the old-style object. - dlprefiles="$dlprefiles $pic_object" - prev= - fi - - # A PIC object. - func_append libobjs " $pic_object" - arg="$pic_object" - fi - - # Non-PIC object. - if test "$non_pic_object" != none; then - # Prepend the subdirectory the object is found in. - non_pic_object="$xdir$non_pic_object" - - # A standard non-PIC object - func_append non_pic_objects " $non_pic_object" - if test -z "$pic_object" || test "$pic_object" = none ; then - arg="$non_pic_object" - fi - else - # If the PIC object exists, use it instead. - # $xdir was prepended to $pic_object above. - non_pic_object="$pic_object" - func_append non_pic_objects " $non_pic_object" - fi - else - # Only an error if not doing a dry-run. - if $opt_dry_run; then - # Extract subdirectory from the argument. - func_dirname "$arg" "/" "" - xdir="$func_dirname_result" - - func_lo2o "$arg" - pic_object=$xdir$objdir/$func_lo2o_result - non_pic_object=$xdir$func_lo2o_result - func_append libobjs " $pic_object" - func_append non_pic_objects " $non_pic_object" - else - func_fatal_error "\`$arg' is not a valid libtool object" - fi - fi - done - else - func_fatal_error "link input file \`$arg' does not exist" - fi - arg=$save_arg - prev= - continue - ;; - precious_regex) - precious_files_regex="$arg" - prev= - continue - ;; - release) - release="-$arg" - prev= - continue - ;; - rpath | xrpath) - # We need an absolute path. - case $arg in - [\\/]* | [A-Za-z]:[\\/]*) ;; - *) - func_fatal_error "only absolute run-paths are allowed" - ;; - esac - if test "$prev" = rpath; then - case "$rpath " in - *" $arg "*) ;; - *) rpath="$rpath $arg" ;; - esac - else - case "$xrpath " in - *" $arg "*) ;; - *) xrpath="$xrpath $arg" ;; - esac - fi - prev= - continue - ;; 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then - case $host in - *-*-openbsd* | *-*-freebsd* | *-*-dragonfly*) - # Do not include libc_r directly, use -pthread flag. - continue - ;; - esac - fi - deplibs="$deplibs $arg" - continue - ;; - - -module) - module=yes - continue - ;; - - # Tru64 UNIX uses -model [arg] to determine the layout of C++ - # classes, name mangling, and exception handling. - # Darwin uses the -arch flag to determine output architecture. - -model|-arch|-isysroot) - compiler_flags="$compiler_flags $arg" - func_append compile_command " $arg" - func_append finalize_command " $arg" - prev=xcompiler - continue - ;; - - -mt|-mthreads|-kthread|-Kthread|-pthread|-pthreads|--thread-safe|-threads) - compiler_flags="$compiler_flags $arg" - func_append compile_command " $arg" - func_append finalize_command " $arg" - case "$new_inherited_linker_flags " in - *" $arg "*) ;; - * ) new_inherited_linker_flags="$new_inherited_linker_flags $arg" ;; - esac - continue - ;; - - -multi_module) - single_module="${wl}-multi_module" - continue - ;; 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then - # Preload the old-style object. - dlprefiles="$dlprefiles $pic_object" - prev= - fi - - # A PIC object. - func_append libobjs " $pic_object" - arg="$pic_object" - fi - - # Non-PIC object. - if test "$non_pic_object" != none; then - # Prepend the subdirectory the object is found in. - non_pic_object="$xdir$non_pic_object" - - # A standard non-PIC object - func_append non_pic_objects " $non_pic_object" - if test -z "$pic_object" || test "$pic_object" = none ; then - arg="$non_pic_object" - fi - else - # If the PIC object exists, use it instead. - # $xdir was prepended to $pic_object above. - non_pic_object="$pic_object" - func_append non_pic_objects " $non_pic_object" - fi - else - # Only an error if not doing a dry-run. - if $opt_dry_run; then - # Extract subdirectory from the argument. - func_dirname "$arg" "/" "" - xdir="$func_dirname_result" - - func_lo2o "$arg" - pic_object=$xdir$objdir/$func_lo2o_result - non_pic_object=$xdir$func_lo2o_result - func_append libobjs " $pic_object" - func_append non_pic_objects " $non_pic_object" - else - func_fatal_error "\`$arg' is not a valid libtool object" - fi - fi - ;; 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then - case "$new_inherited_linker_flags " in - *" $deplib "*) ;; - * ) new_inherited_linker_flags="$new_inherited_linker_flags $deplib" ;; - esac - fi - fi - continue - ;; - -l*) - if test "$linkmode" != lib && test "$linkmode" != prog; then - func_warning "\`-l' is ignored for archives/objects" - continue - fi - func_stripname '-l' '' "$deplib" - name=$func_stripname_result - if test "$linkmode" = lib; then - searchdirs="$newlib_search_path $lib_search_path $compiler_lib_search_dirs $sys_lib_search_path $shlib_search_path" - else - searchdirs="$newlib_search_path $lib_search_path $sys_lib_search_path $shlib_search_path" - fi - for searchdir in $searchdirs; do - for search_ext in .la $std_shrext .so .a; do - # Search the libtool library - lib="$searchdir/lib${name}${search_ext}" - if test -f "$lib"; then - if test "$search_ext" = ".la"; then - found=yes - else - found=no - fi - break 2 - fi - done - done - if test "$found" != yes; then - # deplib doesn't seem to be a libtool library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - else # deplib is a libtool library - # If $allow_libtool_libs_with_static_runtimes && $deplib is a stdlib, - # We need to do some special things here, and not later. - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - case " $predeps $postdeps " in - *" $deplib "*) - if func_lalib_p "$lib"; then - library_names= - old_library= - func_source "$lib" - for l in $old_library $library_names; do - ll="$l" - done - if test "X$ll" = "X$old_library" ; then # only static version available - found=no - func_dirname "$lib" "" "." - ladir="$func_dirname_result" - lib=$ladir/$old_library - if test "$linkmode,$pass" = "prog,link"; then - compile_deplibs="$deplib $compile_deplibs" - finalize_deplibs="$deplib $finalize_deplibs" - else - deplibs="$deplib $deplibs" - test "$linkmode" = lib && newdependency_libs="$deplib $newdependency_libs" - fi - continue - fi - fi - ;; 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- *) finalize_rpath="$finalize_rpath $libdir" - esac - ;; - esac - fi - - if test -n "$old_archive_from_expsyms_cmds"; then - # figure out the soname - set dummy $library_names - shift - realname="$1" - shift - libname=`eval "\\$ECHO \"$libname_spec\""` - # use dlname if we got it. it's perfectly good, no? - if test -n "$dlname"; then - soname="$dlname" - elif test -n "$soname_spec"; then - # bleh windows - case $host in - *cygwin* | mingw* | *cegcc*) - func_arith $current - $age - major=$func_arith_result - versuffix="-$major" - ;; - esac - eval soname=\"$soname_spec\" - else - soname="$realname" - fi - - # Make a new name for the extract_expsyms_cmds to use - soroot="$soname" - func_basename "$soroot" - soname="$func_basename_result" - func_stripname 'lib' '.dll' "$soname" - newlib=libimp-$func_stripname_result.a - - # If the library has no export list, then create one now - if test -f "$output_objdir/$soname-def"; then : - else - func_verbose "extracting exported symbol list from \`$soname'" - func_execute_cmds "$extract_expsyms_cmds" 'exit $?' - fi - - # Create $newlib - if test -f "$output_objdir/$newlib"; then :; else - func_verbose "generating import library for \`$soname'" - func_execute_cmds "$old_archive_from_expsyms_cmds" 'exit $?' - fi - # make sure the library variables are pointing to the new library - dir=$output_objdir - linklib=$newlib - fi # test -n "$old_archive_from_expsyms_cmds" - - if test "$linkmode" = prog || test "$mode" != relink; then - add_shlibpath= - add_dir= - add= - lib_linked=yes - case $hardcode_action in - immediate | unsupported) - if test "$hardcode_direct" = no; then - add="$dir/$linklib" - case $host in - *-*-sco3.2v5.0.[024]*) add_dir="-L$dir" ;; - *-*-sysv4*uw2*) add_dir="-L$dir" ;; - *-*-sysv5OpenUNIX* | *-*-sysv5UnixWare7.[01].[10]* | \ - *-*-unixware7*) add_dir="-L$dir" ;; - *-*-darwin* ) - # if the lib is a (non-dlopened) module then we can not - # link against it, someone is ignoring the earlier warnings - if /usr/bin/file -L $add 2> /dev/null | - $GREP ": [^:]* bundle" >/dev/null ; then - if test "X$dlopenmodule" != "X$lib"; then - $ECHO "*** Warning: lib $linklib is a module, not a shared library" - if test -z "$old_library" ; 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- *) lib_linked=no ;; - esac - - if test "$lib_linked" != yes; then - func_fatal_configuration "unsupported hardcode properties" - fi - - if test -n "$add_shlibpath"; then - case :$compile_shlibpath: in - *":$add_shlibpath:"*) ;; - *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; - esac - fi - if test "$linkmode" = prog; then - test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" - test -n "$add" && compile_deplibs="$add $compile_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - if test "$hardcode_direct" != yes && - test "$hardcode_minus_L" != yes && - test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; - esac - fi - fi - fi - - if test "$linkmode" = prog || test "$mode" = relink; then - add_shlibpath= - add_dir= - add= - # Finalize command for both is simple: just hardcode it. - if test "$hardcode_direct" = yes && - test "$hardcode_direct_absolute" = no; then - add="$libdir/$linklib" - elif test "$hardcode_minus_L" = yes; then - add_dir="-L$libdir" - add="-l$name" - elif test "$hardcode_shlibpath_var" = yes; then - case :$finalize_shlibpath: in - *":$libdir:"*) ;; - *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; - esac - add="-l$name" - elif test "$hardcode_automatic" = yes; then - if test -n "$inst_prefix_dir" && - test -f "$inst_prefix_dir$libdir/$linklib" ; then - add="$inst_prefix_dir$libdir/$linklib" - else - add="$libdir/$linklib" - fi - else - # We cannot seem to hardcode it, guess we'll fake it. - add_dir="-L$libdir" - # Try looking first in the location we're being installed to. - if test -n "$inst_prefix_dir"; then - case $libdir in - [\\/]*) - add_dir="$add_dir -L$inst_prefix_dir$libdir" - ;; - esac - fi - add="-l$name" - fi - - if test "$linkmode" = prog; then - test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" - test -n "$add" && finalize_deplibs="$add $finalize_deplibs" - else - test -n "$add_dir" && deplibs="$add_dir $deplibs" - test -n "$add" && deplibs="$add $deplibs" - fi - fi - elif test "$linkmode" = prog; then - # Here we assume that one of hardcode_direct or hardcode_minus_L - # is not unsupported. 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So, this module is probably useless." - echo "*** \`nm' from GNU binutils and a full rebuild may help." - fi - if test "$build_old_libs" = no; then - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - fi - else - deplibs="$dir/$old_library $deplibs" - link_static=yes - fi - fi # link shared/static library? - - if test "$linkmode" = lib; then - if test -n "$dependency_libs" && - { test "$hardcode_into_libs" != yes || - test "$build_old_libs" = yes || - test "$link_static" = yes; }; then - # Extract -R from dependency_libs - temp_deplibs= - for libdir in $dependency_libs; do - case $libdir in - -R*) func_stripname '-R' '' "$libdir" - temp_xrpath=$func_stripname_result - case " $xrpath " in - *" $temp_xrpath "*) ;; - *) xrpath="$xrpath $temp_xrpath";; - esac;; - *) temp_deplibs="$temp_deplibs $libdir";; - esac - done - dependency_libs="$temp_deplibs" - fi - - newlib_search_path="$newlib_search_path $absdir" - # Link against this library - test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" - # ... and its dependency_libs - tmp_libs= - for deplib in $dependency_libs; do - newdependency_libs="$deplib $newdependency_libs" - if $opt_duplicate_deps ; then - case "$tmp_libs " in - *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; - esac - fi - tmp_libs="$tmp_libs $deplib" - done - - if test "$link_all_deplibs" != no; then - # Add the search paths of all dependency libraries - for deplib in $dependency_libs; do - path= - case $deplib in - -L*) path="$deplib" ;; - *.la) - func_dirname "$deplib" "" "." - dir="$func_dirname_result" - # We need an absolute path. - case $dir in - [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; - *) - absdir=`cd "$dir" && pwd` - if test -z "$absdir"; then - func_warning "cannot determine absolute directory name of \`$dir'" - absdir="$dir" - fi - ;; - esac - if $GREP "^installed=no" $deplib > /dev/null; then - case $host in - *-*-darwin*) - depdepl= - eval deplibrary_names=`${SED} -n -e 's/^library_names=\(.*\)$/\1/p' $deplib` - if test -n "$deplibrary_names" ; then - for tmp in $deplibrary_names ; do - depdepl=$tmp - done - if test -f "$absdir/$objdir/$depdepl" ; then - depdepl="$absdir/$objdir/$depdepl" - darwin_install_name=`${OTOOL} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` - if test -z "$darwin_install_name"; then - darwin_install_name=`${OTOOL64} -L $depdepl | awk '{if (NR == 2) {print $1;exit}}'` - fi - compiler_flags="$compiler_flags ${wl}-dylib_file ${wl}${darwin_install_name}:${depdepl}" - linker_flags="$linker_flags -dylib_file ${darwin_install_name}:${depdepl}" - path= - fi - fi - ;; - *) - path="-L$absdir/$objdir" - ;; - esac - else - eval libdir=`${SED} -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` - test -z "$libdir" && \ - func_fatal_error "\`$deplib' is not a valid libtool archive" - test "$absdir" != "$libdir" && \ - func_warning "\`$deplib' seems to be moved" - - path="-L$absdir" - fi - ;; - esac - case " $deplibs " in - *" $path "*) ;; - *) deplibs="$path $deplibs" ;; - esac - done - fi # link_all_deplibs != no - fi # linkmode = lib - done # for deplib in $libs - if test "$pass" = link; then - if test "$linkmode" = "prog"; then - compile_deplibs="$new_inherited_linker_flags $compile_deplibs" - finalize_deplibs="$new_inherited_linker_flags $finalize_deplibs" - else - compiler_flags="$compiler_flags "`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - fi - fi - dependency_libs="$newdependency_libs" - if test "$pass" = dlpreopen; then - # Link the dlpreopened libraries before other libraries - for deplib in $save_deplibs; do - deplibs="$deplib $deplibs" - done - fi - if test "$pass" != dlopen; then - if test "$pass" != conv; then - # Make sure lib_search_path contains only unique directories. - lib_search_path= - for dir in $newlib_search_path; do - case "$lib_search_path " in - *" $dir "*) ;; - *) lib_search_path="$lib_search_path $dir" ;; - esac - done - newlib_search_path= - fi - - if test "$linkmode,$pass" != "prog,link"; then - vars="deplibs" - else - vars="compile_deplibs finalize_deplibs" - fi - for var in $vars dependency_libs; do - # Add libraries to $var in reverse order - eval tmp_libs=\"\$$var\" - new_libs= - for deplib in $tmp_libs; do - # FIXME: Pedantically, this is the right thing to do, so - # that some nasty dependency loop isn't accidentally - # broken: - #new_libs="$deplib $new_libs" - # Pragmatically, this seems to cause very few problems in - # practice: - case $deplib in - -L*) new_libs="$deplib $new_libs" ;; - -R*) ;; - *) - # And here is the reason: when a library appears more - # than once as an explicit dependence of a library, or - # is implicitly linked in more than once by the - # compiler, it is considered special, and multiple - # occurrences thereof are not removed. 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Last file checked: $potlib" - fi - fi - ;; - *) - # Add a -L argument. - newdeplibs="$newdeplibs $a_deplib" - ;; - esac - done # Gone through all deplibs. - ;; - match_pattern*) - set dummy $deplibs_check_method; shift - match_pattern_regex=`expr "$deplibs_check_method" : "$1 \(.*\)"` - for a_deplib in $deplibs; do - case $a_deplib in - -l*) - func_stripname -l '' "$a_deplib" - name=$func_stripname_result - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - case " $predeps $postdeps " in - *" $a_deplib "*) - newdeplibs="$newdeplibs $a_deplib" - a_deplib="" - ;; - esac - fi - if test -n "$a_deplib" ; then - libname=`eval "\\$ECHO \"$libname_spec\""` - for i in $lib_search_path $sys_lib_search_path $shlib_search_path; do - potential_libs=`ls $i/$libname[.-]* 2>/dev/null` - for potent_lib in $potential_libs; do - potlib="$potent_lib" # see symlink-check above in file_magic test - if eval "\$ECHO \"$potent_lib\"" 2>/dev/null | $SED 10q | \ - $EGREP "$match_pattern_regex" > /dev/null; then - newdeplibs="$newdeplibs $a_deplib" - a_deplib="" - break 2 - fi - done - done - fi - if test -n "$a_deplib" ; then - droppeddeps=yes - echo - $ECHO "*** Warning: linker path does not have real file for library $a_deplib." - echo "*** I have the capability to make that library automatically link in when" - echo "*** you link to this library. But I can only do this if you have a" - echo "*** shared version of the library, which you do not appear to have" - echo "*** because I did check the linker path looking for a file starting" - if test -z "$potlib" ; then - $ECHO "*** with $libname but no candidates were found. (...for regex pattern test)" - else - $ECHO "*** with $libname and none of the candidates passed a file format test" - $ECHO "*** using a regex pattern. Last file checked: $potlib" - fi - fi - ;; - *) - # Add a -L argument. - newdeplibs="$newdeplibs $a_deplib" - ;; - esac - done # Gone through all deplibs. - ;; - none | unknown | *) - newdeplibs="" - tmp_deplibs=`$ECHO " $deplibs" | $SED 's/ -lc$//; s/ -[LR][^ ]*//g'` - if test "X$allow_libtool_libs_with_static_runtimes" = "Xyes" ; then - for i in $predeps $postdeps ; do - # can't use Xsed below, because $i might contain '/' - tmp_deplibs=`$ECHO " $tmp_deplibs" | $SED "s,$i,,"` - done - fi - case $tmp_deplibs in - *[!\ \ ]*) - echo - if test "X$deplibs_check_method" = "Xnone"; then - echo "*** Warning: inter-library dependencies are not supported in this platform." - else - echo "*** Warning: inter-library dependencies are not known to be supported." - fi - echo "*** All declared inter-library dependencies are being dropped." - droppeddeps=yes - ;; - esac - ;; - esac - versuffix=$versuffix_save - major=$major_save - release=$release_save - libname=$libname_save - name=$name_save - - case $host in - *-*-rhapsody* | *-*-darwin1.[012]) - # On Rhapsody replace the C library with the System framework - newdeplibs=`$ECHO " $newdeplibs" | $SED 's/ -lc / System.ltframework /'` - ;; - esac - - if test "$droppeddeps" = yes; then - if test "$module" = yes; then - echo - echo "*** Warning: libtool could not satisfy all declared inter-library" - $ECHO "*** dependencies of module $libname. Therefore, libtool will create" - echo "*** a static module, that should work as long as the dlopening" - echo "*** application is linked with the -dlopen flag." - if test -z "$global_symbol_pipe"; then - echo - echo "*** However, this would only work if libtool was able to extract symbol" - echo "*** lists from a program, using \`nm' or equivalent, but libtool could" - echo "*** not find such a program. So, this module is probably useless." - echo "*** \`nm' from GNU binutils and a full rebuild may help." - fi - if test "$build_old_libs" = no; then - oldlibs="$output_objdir/$libname.$libext" - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - else - echo "*** The inter-library dependencies that have been dropped here will be" - echo "*** automatically added whenever a program is linked with this library" - echo "*** or is declared to -dlopen it." - - if test "$allow_undefined" = no; then - echo - echo "*** Since this library must not contain undefined symbols," - echo "*** because either the platform does not support them or" - echo "*** it was explicitly requested with -no-undefined," - echo "*** libtool will only create a static version of it." - if test "$build_old_libs" = no; then - oldlibs="$output_objdir/$libname.$libext" - build_libtool_libs=module - build_old_libs=yes - else - build_libtool_libs=no - fi - fi - fi - fi - # Done checking deplibs! - deplibs=$newdeplibs - fi - # Time to change all our "foo.ltframework" stuff back to "-framework foo" - case $host in - *-*-darwin*) - newdeplibs=`$ECHO " $newdeplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - new_inherited_linker_flags=`$ECHO " $new_inherited_linker_flags" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - deplibs=`$ECHO " $deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - ;; - esac - - # move library search paths that coincide with paths to not yet - # installed libraries to the beginning of the library search list - new_libs= - for path in $notinst_path; do - case " $new_libs " in - *" -L$path/$objdir "*) ;; - *) - case " $deplibs " in - *" -L$path/$objdir "*) - new_libs="$new_libs -L$path/$objdir" ;; - esac - ;; - esac - done - for deplib in $deplibs; do - case $deplib in - -L*) - case " $new_libs " in - *" $deplib "*) ;; - *) new_libs="$new_libs $deplib" ;; - esac - ;; - *) new_libs="$new_libs $deplib" ;; - esac - done - deplibs="$new_libs" - - # All the library-specific variables (install_libdir is set above). - library_names= - old_library= - dlname= - - # Test again, we may have decided not to build it any more - if test "$build_libtool_libs" = yes; then - if test "$hardcode_into_libs" = yes; then - # Hardcode the library paths - hardcode_libdirs= - dep_rpath= - rpath="$finalize_rpath" - test "$mode" != relink && rpath="$compile_rpath$rpath" - for libdir in $rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - dep_rpath="$dep_rpath $flag" - fi - elif test -n "$runpath_var"; then - case "$perm_rpath " in - *" $libdir "*) ;; - *) perm_rpath="$perm_rpath $libdir" ;; - esac - fi - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - if test -n "$hardcode_libdir_flag_spec_ld"; then - eval dep_rpath=\"$hardcode_libdir_flag_spec_ld\" - else - eval dep_rpath=\"$hardcode_libdir_flag_spec\" - fi - fi - if test -n "$runpath_var" && test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - rpath="$rpath$dir:" - done - eval "$runpath_var='$rpath\$$runpath_var'; export $runpath_var" - fi - test -n "$dep_rpath" && deplibs="$dep_rpath $deplibs" - fi - - shlibpath="$finalize_shlibpath" - test "$mode" != relink && shlibpath="$compile_shlibpath$shlibpath" - if test -n "$shlibpath"; then - eval "$shlibpath_var='$shlibpath\$$shlibpath_var'; export $shlibpath_var" - fi - - # Get the real and link names of the library. - eval shared_ext=\"$shrext_cmds\" - eval library_names=\"$library_names_spec\" - set dummy $library_names - shift - realname="$1" - shift - - if test -n "$soname_spec"; then - eval soname=\"$soname_spec\" - else - soname="$realname" - fi - if test -z "$dlname"; then - dlname=$soname - fi - - lib="$output_objdir/$realname" - linknames= - for link - do - linknames="$linknames $link" - done - - # Use standard objects if they are pic - test -z "$pic_flag" && libobjs=`$ECHO "$libobjs" | $SP2NL | $SED "$lo2o" | $NL2SP` - test "X$libobjs" = "X " && libobjs= - - delfiles= - if test -n "$export_symbols" && test -n "$include_expsyms"; then - $opt_dry_run || cp "$export_symbols" "$output_objdir/$libname.uexp" - export_symbols="$output_objdir/$libname.uexp" - delfiles="$delfiles $export_symbols" - fi - - orig_export_symbols= - case $host_os in - cygwin* | mingw* | cegcc*) - if test -n "$export_symbols" && test -z "$export_symbols_regex"; then - # exporting using user supplied symfile - if test "x`$SED 1q $export_symbols`" != xEXPORTS; then - # and it's NOT already a .def file. Must figure out - # which of the given symbols are data symbols and tag - # them as such. So, trigger use of export_symbols_cmds. - # export_symbols gets reassigned inside the "prepare - # the list of exported symbols" if statement, so the - # include_expsyms logic still works. - orig_export_symbols="$export_symbols" - export_symbols= - always_export_symbols=yes - fi - fi - ;; - esac - - # Prepare the list of exported symbols - if test -z "$export_symbols"; then - if test "$always_export_symbols" = yes || test -n "$export_symbols_regex"; then - func_verbose "generating symbol list for \`$libname.la'" - export_symbols="$output_objdir/$libname.exp" - $opt_dry_run || $RM $export_symbols - cmds=$export_symbols_cmds - save_ifs="$IFS"; IFS='~' - for cmd in $cmds; do - IFS="$save_ifs" - eval cmd=\"$cmd\" - func_len " $cmd" - len=$func_len_result - if test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then - func_show_eval "$cmd" 'exit $?' - skipped_export=false - else - # The command line is too long to execute in one step. - func_verbose "using reloadable object file for export list..." - skipped_export=: - # Break out early, otherwise skipped_export may be - # set to false by a later but shorter cmd. - break - fi - done - IFS="$save_ifs" - if test -n "$export_symbols_regex" && test "X$skipped_export" != "X:"; then - func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' - func_show_eval '$MV "${export_symbols}T" "$export_symbols"' - fi - fi - fi - - if test -n "$export_symbols" && test -n "$include_expsyms"; then - tmp_export_symbols="$export_symbols" - test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" - $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' - fi - - if test "X$skipped_export" != "X:" && test -n "$orig_export_symbols"; then - # The given exports_symbols file has to be filtered, so filter it. - func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" - # FIXME: $output_objdir/$libname.filter potentially contains lots of - # 's' commands which not all seds can handle. GNU sed should be fine - # though. Also, the filter scales superlinearly with the number of - # global variables. join(1) would be nice here, but unfortunately - # isn't a blessed tool. - $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter - delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" - export_symbols=$output_objdir/$libname.def - $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols - fi - - tmp_deplibs= - for test_deplib in $deplibs; do - case " $convenience " in - *" $test_deplib "*) ;; - *) - tmp_deplibs="$tmp_deplibs $test_deplib" - ;; - esac - done - deplibs="$tmp_deplibs" - - if test -n "$convenience"; then - if test -n "$whole_archive_flag_spec" && - test "$compiler_needs_object" = yes && - test -z "$libobjs"; then - # extract the archives, so we have objects to list. - # TODO: could optimize this to just extract one archive. - whole_archive_flag_spec= - fi - if test -n "$whole_archive_flag_spec"; then - save_libobjs=$libobjs - eval libobjs=\"\$libobjs $whole_archive_flag_spec\" - test "X$libobjs" = "X " && libobjs= - else - gentop="$output_objdir/${outputname}x" - generated="$generated $gentop" - - func_extract_archives $gentop $convenience - libobjs="$libobjs $func_extract_archives_result" - test "X$libobjs" = "X " && libobjs= - fi - fi - - if test "$thread_safe" = yes && test -n "$thread_safe_flag_spec"; then - eval flag=\"$thread_safe_flag_spec\" - linker_flags="$linker_flags $flag" - fi - - # Make a backup of the uninstalled library when relinking - if test "$mode" = relink; then - $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}U && $MV $realname ${realname}U)' || exit $? - fi - - # Do each of the archive commands. - if test "$module" = yes && test -n "$module_cmds" ; then - if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then - eval test_cmds=\"$module_expsym_cmds\" - cmds=$module_expsym_cmds - else - eval test_cmds=\"$module_cmds\" - cmds=$module_cmds - fi - else - if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then - eval test_cmds=\"$archive_expsym_cmds\" - cmds=$archive_expsym_cmds - else - eval test_cmds=\"$archive_cmds\" - cmds=$archive_cmds - fi - fi - - if test "X$skipped_export" != "X:" && - func_len " $test_cmds" && - len=$func_len_result && - test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then - : - else - # The command line is too long to link in one step, link piecewise - # or, if using GNU ld and skipped_export is not :, use a linker - # script. - - # Save the value of $output and $libobjs because we want to - # use them later. If we have whole_archive_flag_spec, we - # want to use save_libobjs as it was before - # whole_archive_flag_spec was expanded, because we can't - # assume the linker understands whole_archive_flag_spec. - # This may have to be revisited, in case too many - # convenience libraries get linked in and end up exceeding - # the spec. - if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then - save_libobjs=$libobjs - fi - save_output=$output - func_basename "$output" - output_la=$func_basename_result - - # Clear the reloadable object creation command queue and - # initialize k to one. - test_cmds= - concat_cmds= - objlist= - last_robj= - k=1 - - if test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "$with_gnu_ld" = yes; then - output=${output_objdir}/${output_la}.lnkscript - func_verbose "creating GNU ld script: $output" - echo 'INPUT (' > $output - for obj in $save_libobjs - do - $ECHO "$obj" >> $output - done - echo ')' >> $output - delfiles="$delfiles $output" - elif test -n "$save_libobjs" && test "X$skipped_export" != "X:" && test "X$file_list_spec" != X; then - output=${output_objdir}/${output_la}.lnk - func_verbose "creating linker input file list: $output" - : > $output - set x $save_libobjs - shift - firstobj= - if test "$compiler_needs_object" = yes; then - firstobj="$1 " - shift - fi - for obj - do - $ECHO "$obj" >> $output - done - delfiles="$delfiles $output" - output=$firstobj\"$file_list_spec$output\" - else - if test -n "$save_libobjs"; then - func_verbose "creating reloadable object files..." - output=$output_objdir/$output_la-${k}.$objext - eval test_cmds=\"$reload_cmds\" - func_len " $test_cmds" - len0=$func_len_result - len=$len0 - - # Loop over the list of objects to be linked. - for obj in $save_libobjs - do - func_len " $obj" - func_arith $len + $func_len_result - len=$func_arith_result - if test "X$objlist" = X || - test "$len" -lt "$max_cmd_len"; then - func_append objlist " $obj" - else - # The command $test_cmds is almost too long, add a - # command to the queue. - if test "$k" -eq 1 ; then - # The first file doesn't have a previous command to add. - reload_objs=$objlist - eval concat_cmds=\"$reload_cmds\" - else - # All subsequent reloadable object files will link in - # the last one created. - reload_objs="$objlist $last_robj" - eval concat_cmds=\"\$concat_cmds~$reload_cmds~\$RM $last_robj\" - fi - last_robj=$output_objdir/$output_la-${k}.$objext - func_arith $k + 1 - k=$func_arith_result - output=$output_objdir/$output_la-${k}.$objext - objlist=" $obj" - func_len " $last_robj" - func_arith $len0 + $func_len_result - len=$func_arith_result - fi - done - # Handle the remaining objects by creating one last - # reloadable object file. All subsequent reloadable object - # files will link in the last one created. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - reload_objs="$objlist $last_robj" - eval concat_cmds=\"\${concat_cmds}$reload_cmds\" - if test -n "$last_robj"; then - eval concat_cmds=\"\${concat_cmds}~\$RM $last_robj\" - fi - delfiles="$delfiles $output" - - else - output= - fi - - if ${skipped_export-false}; then - func_verbose "generating symbol list for \`$libname.la'" - export_symbols="$output_objdir/$libname.exp" - $opt_dry_run || $RM $export_symbols - libobjs=$output - # Append the command to create the export file. - test -z "$concat_cmds" || concat_cmds=$concat_cmds~ - eval concat_cmds=\"\$concat_cmds$export_symbols_cmds\" - if test -n "$last_robj"; then - eval concat_cmds=\"\$concat_cmds~\$RM $last_robj\" - fi - fi - - test -n "$save_libobjs" && - func_verbose "creating a temporary reloadable object file: $output" - - # Loop through the commands generated above and execute them. - save_ifs="$IFS"; IFS='~' - for cmd in $concat_cmds; do - IFS="$save_ifs" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - if test -n "$export_symbols_regex" && ${skipped_export-false}; then - func_show_eval '$EGREP -e "$export_symbols_regex" "$export_symbols" > "${export_symbols}T"' - func_show_eval '$MV "${export_symbols}T" "$export_symbols"' - fi - fi - - if ${skipped_export-false}; then - if test -n "$export_symbols" && test -n "$include_expsyms"; then - tmp_export_symbols="$export_symbols" - test -n "$orig_export_symbols" && tmp_export_symbols="$orig_export_symbols" - $opt_dry_run || eval '$ECHO "$include_expsyms" | $SP2NL >> "$tmp_export_symbols"' - fi - - if test -n "$orig_export_symbols"; then - # The given exports_symbols file has to be filtered, so filter it. - func_verbose "filter symbol list for \`$libname.la' to tag DATA exports" - # FIXME: $output_objdir/$libname.filter potentially contains lots of - # 's' commands which not all seds can handle. GNU sed should be fine - # though. Also, the filter scales superlinearly with the number of - # global variables. join(1) would be nice here, but unfortunately - # isn't a blessed tool. - $opt_dry_run || $SED -e '/[ ,]DATA/!d;s,\(.*\)\([ \,].*\),s|^\1$|\1\2|,' < $export_symbols > $output_objdir/$libname.filter - delfiles="$delfiles $export_symbols $output_objdir/$libname.filter" - export_symbols=$output_objdir/$libname.def - $opt_dry_run || $SED -f $output_objdir/$libname.filter < $orig_export_symbols > $export_symbols - fi - fi - - libobjs=$output - # Restore the value of output. - output=$save_output - - if test -n "$convenience" && test -n "$whole_archive_flag_spec"; then - eval libobjs=\"\$libobjs $whole_archive_flag_spec\" - test "X$libobjs" = "X " && libobjs= - fi - # Expand the library linking commands again to reset the - # value of $libobjs for piecewise linking. - - # Do each of the archive commands. - if test "$module" = yes && test -n "$module_cmds" ; then - if test -n "$export_symbols" && test -n "$module_expsym_cmds"; then - cmds=$module_expsym_cmds - else - cmds=$module_cmds - fi - else - if test -n "$export_symbols" && test -n "$archive_expsym_cmds"; then - cmds=$archive_expsym_cmds - else - cmds=$archive_cmds - fi - fi - fi - - if test -n "$delfiles"; then - # Append the command to remove temporary files to $cmds. - eval cmds=\"\$cmds~\$RM $delfiles\" - fi - - # Add any objects from preloaded convenience libraries - if test -n "$dlprefiles"; then - gentop="$output_objdir/${outputname}x" - generated="$generated $gentop" - - func_extract_archives $gentop $dlprefiles - libobjs="$libobjs $func_extract_archives_result" - test "X$libobjs" = "X " && libobjs= - fi - - save_ifs="$IFS"; IFS='~' - for cmd in $cmds; do - IFS="$save_ifs" - eval cmd=\"$cmd\" - $opt_silent || { - func_quote_for_expand "$cmd" - eval "func_echo $func_quote_for_expand_result" - } - $opt_dry_run || eval "$cmd" || { - lt_exit=$? - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - ( cd "$output_objdir" && \ - $RM "${realname}T" && \ - $MV "${realname}U" "$realname" ) - fi - - exit $lt_exit - } - done - IFS="$save_ifs" - - # Restore the uninstalled library and exit - if test "$mode" = relink; then - $opt_dry_run || eval '(cd $output_objdir && $RM ${realname}T && $MV $realname ${realname}T && $MV ${realname}U $realname)' || exit $? - - if test -n "$convenience"; then - if test -z "$whole_archive_flag_spec"; then - func_show_eval '${RM}r "$gentop"' - fi - fi - - exit $EXIT_SUCCESS - fi - - # Create links to the real library. - for linkname in $linknames; do - if test "$realname" != "$linkname"; then - func_show_eval '(cd "$output_objdir" && $RM "$linkname" && $LN_S "$realname" "$linkname")' 'exit $?' - fi - done - - # If -module or -export-dynamic was specified, set the dlname. - if test "$module" = yes || test "$export_dynamic" = yes; then - # On all known operating systems, these are identical. - dlname="$soname" - fi - fi - ;; - - obj) - if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then - func_warning "\`-dlopen' is ignored for objects" - fi - - case " $deplibs" in - *\ -l* | *\ -L*) - func_warning "\`-l' and \`-L' are ignored for objects" ;; - esac - - test -n "$rpath" && \ - func_warning "\`-rpath' is ignored for objects" - - test -n "$xrpath" && \ - func_warning "\`-R' is ignored for objects" - - test -n "$vinfo" && \ - func_warning "\`-version-info' is ignored for objects" - - test -n "$release" && \ - func_warning "\`-release' is ignored for objects" - - case $output in - *.lo) - test -n "$objs$old_deplibs" && \ - func_fatal_error "cannot build library object \`$output' from non-libtool objects" - - libobj=$output - func_lo2o "$libobj" - obj=$func_lo2o_result - ;; - *) - libobj= - obj="$output" - ;; - esac - - # Delete the old objects. - $opt_dry_run || $RM $obj $libobj - - # Objects from convenience libraries. This assumes - # single-version convenience libraries. Whenever we create - # different ones for PIC/non-PIC, this we'll have to duplicate - # the extraction. - reload_conv_objs= - gentop= - # reload_cmds runs $LD directly, so let us get rid of - # -Wl from whole_archive_flag_spec and hope we can get by with - # turning comma into space.. - wl= - - if test -n "$convenience"; then - if test -n "$whole_archive_flag_spec"; then - eval tmp_whole_archive_flags=\"$whole_archive_flag_spec\" - reload_conv_objs=$reload_objs\ `$ECHO "$tmp_whole_archive_flags" | $SED 's|,| |g'` - else - gentop="$output_objdir/${obj}x" - generated="$generated $gentop" - - func_extract_archives $gentop $convenience - reload_conv_objs="$reload_objs $func_extract_archives_result" - fi - fi - - # Create the old-style object. - reload_objs="$objs$old_deplibs "`$ECHO "$libobjs" | $SP2NL | $SED "/\.${libext}$/d; /\.lib$/d; $lo2o" | $NL2SP`" $reload_conv_objs" ### testsuite: skip nested quoting test - - output="$obj" - func_execute_cmds "$reload_cmds" 'exit $?' - - # Exit if we aren't doing a library object file. - if test -z "$libobj"; then - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - exit $EXIT_SUCCESS - fi - - if test "$build_libtool_libs" != yes; then - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - # Create an invalid libtool object if no PIC, so that we don't - # accidentally link it into a program. - # $show "echo timestamp > $libobj" - # $opt_dry_run || eval "echo timestamp > $libobj" || exit $? - exit $EXIT_SUCCESS - fi - - if test -n "$pic_flag" || test "$pic_mode" != default; then - # Only do commands if we really have different PIC objects. - reload_objs="$libobjs $reload_conv_objs" - output="$libobj" - func_execute_cmds "$reload_cmds" 'exit $?' - fi - - if test -n "$gentop"; then - func_show_eval '${RM}r "$gentop"' - fi - - exit $EXIT_SUCCESS - ;; - - prog) - case $host in - *cygwin*) func_stripname '' '.exe' "$output" - output=$func_stripname_result.exe;; - esac - test -n "$vinfo" && \ - func_warning "\`-version-info' is ignored for programs" - - test -n "$release" && \ - func_warning "\`-release' is ignored for programs" - - test "$preload" = yes \ - && test "$dlopen_support" = unknown \ - && test "$dlopen_self" = unknown \ - && test "$dlopen_self_static" = unknown && \ - func_warning "\`LT_INIT([dlopen])' not used. Assuming no dlopen support." - - case $host in - *-*-rhapsody* | *-*-darwin1.[012]) - # On Rhapsody replace the C library is the System framework - compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's/ -lc / System.ltframework /'` - finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's/ -lc / System.ltframework /'` - ;; - esac - - case $host in - *-*-darwin*) - # Don't allow lazy linking, it breaks C++ global constructors - # But is supposedly fixed on 10.4 or later (yay!). - if test "$tagname" = CXX ; then - case ${MACOSX_DEPLOYMENT_TARGET-10.0} in - 10.[0123]) - compile_command="$compile_command ${wl}-bind_at_load" - finalize_command="$finalize_command ${wl}-bind_at_load" - ;; - esac - fi - # Time to change all our "foo.ltframework" stuff back to "-framework foo" - compile_deplibs=`$ECHO " $compile_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - finalize_deplibs=`$ECHO " $finalize_deplibs" | $SED 's% \([^ $]*\).ltframework% -framework \1%g'` - ;; - esac - - - # move library search paths that coincide with paths to not yet - # installed libraries to the beginning of the library search list - new_libs= - for path in $notinst_path; do - case " $new_libs " in - *" -L$path/$objdir "*) ;; - *) - case " $compile_deplibs " in - *" -L$path/$objdir "*) - new_libs="$new_libs -L$path/$objdir" ;; - esac - ;; - esac - done - for deplib in $compile_deplibs; do - case $deplib in - -L*) - case " $new_libs " in - *" $deplib "*) ;; - *) new_libs="$new_libs $deplib" ;; - esac - ;; - *) new_libs="$new_libs $deplib" ;; - esac - done - compile_deplibs="$new_libs" - - - compile_command="$compile_command $compile_deplibs" - finalize_command="$finalize_command $finalize_deplibs" - - if test -n "$rpath$xrpath"; then - # If the user specified any rpath flags, then add them. - for libdir in $rpath $xrpath; do - # This is the magic to use -rpath. - case "$finalize_rpath " in - *" $libdir "*) ;; - *) finalize_rpath="$finalize_rpath $libdir" ;; - esac - done - fi - - # Now hardcode the library paths - rpath= - hardcode_libdirs= - for libdir in $compile_rpath $finalize_rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - rpath="$rpath $flag" - fi - elif test -n "$runpath_var"; then - case "$perm_rpath " in - *" $libdir "*) ;; - *) perm_rpath="$perm_rpath $libdir" ;; - esac - fi - case $host in - *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2* | *-cegcc*) - testbindir=`${ECHO} "$libdir" | ${SED} -e 's*/lib$*/bin*'` - case :$dllsearchpath: in - *":$libdir:"*) ;; - ::) dllsearchpath=$libdir;; - *) dllsearchpath="$dllsearchpath:$libdir";; - esac - case :$dllsearchpath: in - *":$testbindir:"*) ;; - ::) dllsearchpath=$testbindir;; - *) dllsearchpath="$dllsearchpath:$testbindir";; - esac - ;; - esac - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - eval rpath=\" $hardcode_libdir_flag_spec\" - fi - compile_rpath="$rpath" - - rpath= - hardcode_libdirs= - for libdir in $finalize_rpath; do - if test -n "$hardcode_libdir_flag_spec"; then - if test -n "$hardcode_libdir_separator"; then - if test -z "$hardcode_libdirs"; then - hardcode_libdirs="$libdir" - else - # Just accumulate the unique libdirs. - case $hardcode_libdir_separator$hardcode_libdirs$hardcode_libdir_separator in - *"$hardcode_libdir_separator$libdir$hardcode_libdir_separator"*) - ;; - *) - hardcode_libdirs="$hardcode_libdirs$hardcode_libdir_separator$libdir" - ;; - esac - fi - else - eval flag=\"$hardcode_libdir_flag_spec\" - rpath="$rpath $flag" - fi - elif test -n "$runpath_var"; then - case "$finalize_perm_rpath " in - *" $libdir "*) ;; - *) finalize_perm_rpath="$finalize_perm_rpath $libdir" ;; - esac - fi - done - # Substitute the hardcoded libdirs into the rpath. - if test -n "$hardcode_libdir_separator" && - test -n "$hardcode_libdirs"; then - libdir="$hardcode_libdirs" - eval rpath=\" $hardcode_libdir_flag_spec\" - fi - finalize_rpath="$rpath" - - if test -n "$libobjs" && test "$build_old_libs" = yes; then - # Transform all the library objects into standard objects. - compile_command=`$ECHO "$compile_command" | $SP2NL | $SED "$lo2o" | $NL2SP` - finalize_command=`$ECHO "$finalize_command" | $SP2NL | $SED "$lo2o" | $NL2SP` - fi - - func_generate_dlsyms "$outputname" "@PROGRAM@" "no" - - # template prelinking step - if test -n "$prelink_cmds"; then - func_execute_cmds "$prelink_cmds" 'exit $?' - fi - - wrappers_required=yes - case $host in - *cegcc* | *mingw32ce*) - # Disable wrappers for cegcc and mingw32ce hosts, we are cross compiling anyway. - wrappers_required=no - ;; - *cygwin* | *mingw* ) - if test "$build_libtool_libs" != yes; then - wrappers_required=no - fi - ;; - *) - if test "$need_relink" = no || test "$build_libtool_libs" != yes; then - wrappers_required=no - fi - ;; - esac - if test "$wrappers_required" = no; then - # Replace the output file specification. - compile_command=`$ECHO "$compile_command" | $SED 's%@OUTPUT@%'"$output"'%g'` - link_command="$compile_command$compile_rpath" - - # We have no uninstalled library dependencies, so finalize right now. - exit_status=0 - func_show_eval "$link_command" 'exit_status=$?' - - # Delete the generated files. - if test -f "$output_objdir/${outputname}S.${objext}"; then - func_show_eval '$RM "$output_objdir/${outputname}S.${objext}"' - fi - - exit $exit_status - fi - - if test -n "$compile_shlibpath$finalize_shlibpath"; then - compile_command="$shlibpath_var=\"$compile_shlibpath$finalize_shlibpath\$$shlibpath_var\" $compile_command" - fi - if test -n "$finalize_shlibpath"; then - finalize_command="$shlibpath_var=\"$finalize_shlibpath\$$shlibpath_var\" $finalize_command" - fi - - compile_var= - finalize_var= - if test -n "$runpath_var"; then - if test -n "$perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $perm_rpath; do - rpath="$rpath$dir:" - done - compile_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - if test -n "$finalize_perm_rpath"; then - # We should set the runpath_var. - rpath= - for dir in $finalize_perm_rpath; do - rpath="$rpath$dir:" - done - finalize_var="$runpath_var=\"$rpath\$$runpath_var\" " - fi - fi - - if test "$no_install" = yes; then - # We don't need to create a wrapper script. - link_command="$compile_var$compile_command$compile_rpath" - # Replace the output file specification. - link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output"'%g'` - # Delete the old output file. - $opt_dry_run || $RM $output - # Link the executable and exit - func_show_eval "$link_command" 'exit $?' - exit $EXIT_SUCCESS - fi - - if test "$hardcode_action" = relink; then - # Fast installation is not supported - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - - func_warning "this platform does not like uninstalled shared libraries" - func_warning "\`$output' will be relinked during installation" - else - if test "$fast_install" != no; then - link_command="$finalize_var$compile_command$finalize_rpath" - if test "$fast_install" = yes; then - relink_command=`$ECHO "$compile_var$compile_command$compile_rpath" | $SED 's%@OUTPUT@%\$progdir/\$file%g'` - else - # fast_install is set to needless - relink_command= - fi - else - link_command="$compile_var$compile_command$compile_rpath" - relink_command="$finalize_var$finalize_command$finalize_rpath" - fi - fi - - # Replace the output file specification. - link_command=`$ECHO "$link_command" | $SED 's%@OUTPUT@%'"$output_objdir/$outputname"'%g'` - - # Delete the old output files. - $opt_dry_run || $RM $output $output_objdir/$outputname $output_objdir/lt-$outputname - - func_show_eval "$link_command" 'exit $?' - - # Now create the wrapper script. - func_verbose "creating $output" - - # Quote the relink command for shipping. - if test -n "$relink_command"; then - # Preserve any variables that may affect compiler behavior - for var in $variables_saved_for_relink; do - if eval test -z \"\${$var+set}\"; then - relink_command="{ test -z \"\${$var+set}\" || $lt_unset $var || { $var=; export $var; }; }; $relink_command" - elif eval var_value=\$$var; test -z "$var_value"; then - relink_command="$var=; export $var; $relink_command" - else - func_quote_for_eval "$var_value" - relink_command="$var=$func_quote_for_eval_result; export $var; $relink_command" - fi - done - relink_command="(cd `pwd`; $relink_command)" - relink_command=`$ECHO "$relink_command" | $SED "$sed_quote_subst"` - fi - - # Only actually do things if not in dry run mode. - $opt_dry_run || { - # win32 will think the script is a binary if it has - # a .exe suffix, so we strip it off here. - case $output in - *.exe) func_stripname '' '.exe' "$output" - output=$func_stripname_result ;; - esac - # test for cygwin because mv fails w/o .exe extensions - case $host in - *cygwin*) - exeext=.exe - func_stripname '' '.exe' "$outputname" - outputname=$func_stripname_result ;; - *) exeext= ;; - esac - case $host in - *cygwin* | *mingw* ) - func_dirname_and_basename "$output" "" "." - output_name=$func_basename_result - output_path=$func_dirname_result - cwrappersource="$output_path/$objdir/lt-$output_name.c" - cwrapper="$output_path/$output_name.exe" - $RM $cwrappersource $cwrapper - trap "$RM $cwrappersource $cwrapper; exit $EXIT_FAILURE" 1 2 15 - - func_emit_cwrapperexe_src > $cwrappersource - - # The wrapper executable is built using the $host compiler, - # because it contains $host paths and files. 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See the GNU # Lesser General Public License for more details. # -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# You should have received a copy of the GNU Lesser General Public License +# along with this program; see the file COPYING.LIB. If not, write to the +# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +# Boston, MA 02110-1335, USA. # # Authors: # Steve Grubb <sgrubb@redhat.com> @@ -26,13 +27,17 @@ pkgconfig_DATA = libcap-ng.pc DISTCLEANFILES = $(pkgconfig_DATA) CLEANFILES = $(BUILT_SOURCES) CONFIG_CLEAN_FILES = *.loT *.rej *.orig -AM_CFLAGS = -fPIC -DPIC -W -Wall -Wshadow -Wformat -Wundef -D_GNU_SOURCE -INCLUDES = -I. -I${top_srcdir} +AM_CFLAGS = -fPIC -DPIC -W -Wall -Wshadow ${WFLAGS} -Wundef -D_GNU_SOURCE +AM_CPPFLAGS = -I. -I${top_srcdir} lib_LTLIBRARIES = libcap-ng.la +if BUILD_LIBDROP_AMBIENT + lib_LTLIBRARIES += libdrop_ambient.la +endif include_HEADERS = cap-ng.h noinst_HEADERS = captab.h libcap_ng_la_SOURCES = cap-ng.c lookup_table.c libcap_ng_la_LIBADD = libcap_ng_la_DEPENDENCIES = $(libcap_ng_la_SOURCES) ../config.h libcap_ng_la_LDFLAGS = -Wl,-z,relro +libdrop_ambient_la_SOURCES = libdrop_ambient.c diff --git a/src/Makefile.in b/src/Makefile.in deleted file mode 100644 index d3077e0..0000000 --- a/src/Makefile.in +++ /dev/null @@ -1,771 +0,0 @@ -# Makefile.in generated by automake 1.11.1 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, -# Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - -# Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. -# All Rights Reserved. -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or @@ -12,9 +12,10 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU Lesser General Public License + * along with this program; see the file COPYING.LIB. If not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -28,33 +29,65 @@ #include <stdio_ext.h> #include <stdlib.h> #include <sys/prctl.h> +#include <pwd.h> #include <grp.h> #include <sys/stat.h> -#include <stdarg.h> #include <errno.h> +#include <fcntl.h> +#include <endian.h> #include <byteswap.h> +#ifdef HAVE_PTHREAD_H +#include <pthread.h> // For pthread_atfork +#endif #ifdef HAVE_SYSCALL_H #include <sys/syscall.h> #endif #ifdef HAVE_LINUX_SECUREBITS_H #include <linux/securebits.h> #endif +#ifdef HAVE_LINUX_MAGIC_H +#include <sys/vfs.h> +#include <linux/magic.h> +#endif +# define hidden __attribute__ ((visibility ("hidden"))) +unsigned int last_cap hidden = 0; /* * Some milestones of when things became available: * 2.6.24 kernel XATTR_NAME_CAPS * 2.6.25 kernel PR_CAPBSET_DROP, CAPABILITY_VERSION_2 * 2.6.26 kernel PR_SET_SECUREBITS, SECURE_*_LOCKED, VERSION_3 + * 3.5 kernel PR_SET_NO_NEW_PRIVS + * 4.3 kernel PR_CAP_AMBIENT + * 4.14 kernel VFS_CAP_REVISION_3 */ +#ifdef PR_CAPBSET_DROP +static int HAVE_PR_CAPBSET_DROP = 0; +#endif +#ifdef PR_SET_SECUREBITS +static int HAVE_PR_SET_SECUREBITS = 0; +#endif +#ifdef PR_SET_NO_NEW_PRIVS +static int HAVE_PR_SET_NO_NEW_PRIVS = 0; +#endif +#ifdef PR_CAP_AMBIENT +static int HAVE_PR_CAP_AMBIENT = 0; +#endif /* External syscall prototypes */ extern int capset(cap_user_header_t header, cap_user_data_t data); extern int capget(cap_user_header_t header, const cap_user_data_t data); +// Local functions +static void update_bounding_set(capng_act_t action, unsigned int capability, + unsigned int idx); +static void update_ambient_set(capng_act_t action, unsigned int capability, + unsigned int idx); + // Local defines #define MASK(x) (1U << (x)) #ifdef PR_CAPBSET_DROP -#define UPPER_MASK ~(unsigned)((~0U)<<(CAP_LAST_CAP-31)) +#define UPPER_MASK ~((~0U)<<(last_cap-31)) #else // For v1 systems UPPER_MASK will never be used #define UPPER_MASK (unsigned)(~0U) @@ -62,16 +95,22 @@ extern int capget(cap_user_header_t header, const cap_user_data_t data); // Re-define cap_valid so its uniform between V1 and V3 #undef cap_valid -#define cap_valid(x) ((x) <= CAP_LAST_CAP) +#define cap_valid(x) ((x) <= last_cap) // If we don't have the xattr library, then we can't // compile-in file system capabilities -#ifndef HAVE_ATTR_XATTR_H +#if !defined(HAVE_ATTR_XATTR_H) && !defined (HAVE_SYS_XATTR_H) #undef VFS_CAP_U32 #endif #ifdef VFS_CAP_U32 - #include <attr/xattr.h> + #ifdef HAVE_SYS_XATTR_H + #include <sys/xattr.h> + #else + #ifdef HAVE_ATTR_XATTR_H + #include <attr/xattr.h> + #endif + #endif #if __BYTE_ORDER == __BIG_ENDIAN #define FIXUP(x) bswap_32(x) #else @@ -110,12 +149,21 @@ extern int capget(cap_user_header_t header, const cap_user_data_t data); #endif /* Setuid apps run by uid 0 don't get caps back */ #ifndef SECURE_NO_SETUID_FIXUP -#define SECURE_NO_SETUID_FIXUP 2 +#define SECURE_NO_SETUID_FIXUP 2 #endif #ifndef SECURE_NO_SETUID_FIXUP_LOCKED #define SECURE_NO_SETUID_FIXUP_LOCKED 3 /* make bit-2 immutable */ #endif +#ifndef VFS_CAP_U32 +#define VFS_CAP_U32 2 +#endif + +#if (VFS_CAP_U32 != 2) +#error VFS_CAP_U32 does not match the library, you need a new version +#endif + + // States: new, allocated, initted, updated, applied typedef enum { CAPNG_NEW, CAPNG_ERROR, CAPNG_ALLOCATED, CAPNG_INIT, CAPNG_UPDATED, CAPNG_APPLIED } capng_states_t; @@ -123,29 +171,133 @@ typedef enum { CAPNG_NEW, CAPNG_ERROR, CAPNG_ALLOCATED, CAPNG_INIT, // Create an easy data struct out of the kernel definitions typedef union { struct __user_cap_data_struct v1; - struct __user_cap_data_struct v3[2]; + struct __user_cap_data_struct v3[VFS_CAP_U32]; } cap_data_t; // This struct keeps all state info struct cap_ng { int cap_ver; + int vfs_cap_ver; struct __user_cap_header_struct hdr; cap_data_t data; capng_states_t state; - __u32 bounds[2]; + __le32 rootid; + __u32 bounds[VFS_CAP_U32]; + __u32 ambient[VFS_CAP_U32]; }; // Global variables with per thread uniqueness -static __thread struct cap_ng m = { 1, +static __thread struct cap_ng m = { 1, 1, {0, 0}, { {0, 0, 0} }, - CAPNG_NEW, + CAPNG_NEW, CAPNG_UNSET_ROOTID, + {0, 0}, {0, 0} }; +/* + * Reset the state so that init gets called to erase everything + */ +static void deinit(void) +{ + m.state = CAPNG_NEW; +} + +static inline int test_cap(unsigned int cap) +{ + // prctl returns 0 or 1 for valid caps, -1 otherwise + return prctl(PR_CAPBSET_READ, cap) >= 0; +} + +// The maximum cap value is determined by VFS_CAP_U32 +#define MAX_CAP_VALUE (VFS_CAP_U32 * sizeof(__le32) * 8) + +static void init_lib(void) __attribute__ ((constructor)); +static void init_lib(void) +{ + // This is so dynamic libraries don't re-init + static unsigned int run_once = 0; + if (run_once) + return; + run_once = 1; + +#ifdef HAVE_PTHREAD_H + pthread_atfork(NULL, NULL, deinit); +#endif + // Detect last cap + if (last_cap == 0) { + int fd; + + // Try to read last cap from procfs + fd = open("/proc/sys/kernel/cap_last_cap", O_RDONLY); + if (fd >= 0) { +#ifdef HAVE_LINUX_MAGIC_H + struct statfs st; + // Bail out if procfs is invalid or fstatfs fails + if (fstatfs(fd, &st) || st.f_type != PROC_SUPER_MAGIC) + goto fail; +#endif + char buf[8]; + int num = read(fd, buf, sizeof(buf) - 1); + if (num > 0) { + buf[num] = 0; + errno = 0; + unsigned int val = strtoul(buf, NULL, 10); + if (errno == 0) + last_cap = val; + } +fail: + close(fd); + } + // Run a binary search over capabilities + if (last_cap == 0) { + // starting with last_cap=MAX_CAP_VALUE means we always know + // that cap1 is invalid after the first iteration + last_cap = MAX_CAP_VALUE; + unsigned int cap0 = 0, cap1 = MAX_CAP_VALUE; + + while (cap0 < last_cap) { + if (test_cap(last_cap)) + cap0 = last_cap; + else + cap1 = last_cap; + + last_cap = (cap0 + cap1) / 2U; + } + } + } + // Detect prctl options at runtime +#ifdef PR_CAPBSET_DROP + errno = 0; + prctl(PR_CAPBSET_READ, 0, 0, 0, 0); + if (!errno) + HAVE_PR_CAPBSET_DROP = 1; +#endif +#ifdef PR_SET_SECUREBITS + errno = 0; + prctl(PR_GET_SECUREBITS, 0, 0, 0, 0); + if (!errno) + HAVE_PR_SET_SECUREBITS = 1; +#endif +#ifdef PR_SET_NO_NEW_PRIVS + errno = 0; + prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0); + if (!errno) + HAVE_PR_SET_NO_NEW_PRIVS = 1; +#endif +#ifdef PR_CAP_AMBIENT + errno = 0; + prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, 0, 0, 0); + if (!errno) + HAVE_PR_CAP_AMBIENT = 1; +#endif +} static void init(void) { + // This is so static libs get initialized + init_lib(); + if (m.state != CAPNG_NEW) return; @@ -161,12 +313,19 @@ static void init(void) return; } +#if VFS_CAP_REVISION == VFS_CAP_REVISION_1 + m.vfs_cap_ver = 1; +#else + m.vfs_cap_ver = 2; // Intentionally set to 2 for both 2 & 3 +#endif + memset(&m.data, 0, sizeof(cap_data_t)); #ifdef HAVE_SYSCALL_H m.hdr.pid = (unsigned)syscall(__NR_gettid); #else m.hdr.pid = (unsigned)getpid(); #endif + m.rootid = CAPNG_UNSET_ROOTID; m.state = CAPNG_ALLOCATED; } @@ -180,8 +339,16 @@ void capng_clear(capng_select_t set) if (set & CAPNG_SELECT_CAPS) memset(&m.data, 0, sizeof(cap_data_t)); #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { if (set & CAPNG_SELECT_BOUNDS) memset(m.bounds, 0, sizeof(m.bounds)); +} +#endif +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + if (set & CAPNG_SELECT_AMBIENT) + memset(m.ambient, 0, sizeof(m.ambient)); +} #endif m.state = CAPNG_INIT; } @@ -208,11 +375,22 @@ void capng_fill(capng_select_t set) } } #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { if (set & CAPNG_SELECT_BOUNDS) { unsigned i; for (i=0; i<sizeof(m.bounds)/sizeof(__u32); i++) m.bounds[i] = 0xFFFFFFFFU; } +} +#endif +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + if (set & CAPNG_SELECT_AMBIENT) { + unsigned i; + for (i=0; i<sizeof(m.ambient)/sizeof(__u32); i++) + m.ambient[i] = 0xFFFFFFFFU; + } +} #endif m.state = CAPNG_INIT; } @@ -227,34 +405,128 @@ void capng_setpid(int pid) m.hdr.pid = pid; } +int capng_get_rootid(void) +{ +#ifdef VFS_CAP_REVISION_3 + return m.rootid; +#else + return CAPNG_UNSET_ROOTID; +#endif +} + +int capng_set_rootid(int rootid) +{ +#ifdef VFS_CAP_REVISION_3 + if (m.state == CAPNG_NEW) + init(); + if (m.state == CAPNG_ERROR) + return -1; + + if (rootid < 0) + return -1; + + m.rootid = rootid; + m.vfs_cap_ver = 3; + + return 0; +#else + return -1; +#endif +} + #ifdef PR_CAPBSET_DROP static int get_bounding_set(void) { char buf[64]; FILE *f; + int rc; - snprintf(buf, sizeof(buf), "/proc/%u/status", m.hdr.pid ? m.hdr.pid : + snprintf(buf, sizeof(buf), "/proc/%d/status", m.hdr.pid ? m.hdr.pid : #ifdef HAVE_SYSCALL_H - (unsigned)syscall(__NR_gettid)); + (int)syscall(__NR_gettid)); #else - (unsigned)getpid(); + (int)getpid(); #endif - f = fopen(buf, "r"); - if (f == NULL) - return -1; - __fsetlocking(f, FSETLOCKING_BYCALLER); - while (fgets(buf, sizeof(buf), f)) { - if (strncmp(buf, "CapB", 4)) - continue; - sscanf(buf, "CapBnd: %08x%08x", &m.bounds[1], &m.bounds[0]); + f = fopen(buf, "re"); + if (f) { + __fsetlocking(f, FSETLOCKING_BYCALLER); + while (fgets(buf, sizeof(buf), f)) { + if (strncmp(buf, "CapB", 4)) + continue; + sscanf(buf, "CapBnd: %08x%08x", + &m.bounds[1], &m.bounds[0]); + fclose(f); + return 0; + } + // Didn't find bounding set, fall through and try prctl way fclose(f); - return 0; } - fclose(f); - return -1; + // Might be in a container with no procfs - do it the hard way + memset(m.bounds, 0, sizeof(m.bounds)); + unsigned int i = 0; + do { + rc = prctl(PR_CAPBSET_READ, i, 0, 0, 0); + if (rc < 0) + return -1; + + // Just add set bits + if (rc) + update_bounding_set(CAPNG_ADD, i%32, i>>5); + i++; + } while (cap_valid(i)); + + return 0; +} +#endif + +#ifdef PR_CAP_AMBIENT +static int get_ambient_set(void) +{ + char buf[64]; + FILE *f; + int rc; + + snprintf(buf, sizeof(buf), "/proc/%d/status", m.hdr.pid ? m.hdr.pid : +#ifdef HAVE_SYSCALL_H + (int)syscall(__NR_gettid)); +#else + (int)getpid(); +#endif + f = fopen(buf, "re"); + if (f) { + __fsetlocking(f, FSETLOCKING_BYCALLER); + while (fgets(buf, sizeof(buf), f)) { + if (strncmp(buf, "CapA", 4)) + continue; + sscanf(buf, "CapAmb: %08x%08x", + &m.ambient[1], &m.ambient[0]); + fclose(f); + return 0; + } + fclose(f); + // Didn't find ambient set, fall through and try prctl way + } + // Might be in a container with no procfs - do it the hard way + memset(m.ambient, 0, sizeof(m.ambient)); + unsigned int i = 0; + do { + rc = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, i, 0, 0); + if (rc < 0) + return -1; + + // Just add set bits + if (rc) + update_ambient_set(CAPNG_ADD, i%32, i>>5); + i++; + } while (cap_valid(i)); + + return 0; } #endif +/* + * Returns 0 on success and -1 on failure + */ int capng_get_caps_process(void) { int rc; @@ -268,9 +540,18 @@ int capng_get_caps_process(void) if (rc == 0) { m.state = CAPNG_INIT; #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { rc = get_bounding_set(); if (rc < 0) m.state = CAPNG_ERROR; +} +#endif +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + rc = get_ambient_set(); + if (rc < 0) + m.state = CAPNG_ERROR; +} #endif } @@ -278,10 +559,14 @@ int capng_get_caps_process(void) } #ifdef VFS_CAP_U32 +#ifdef VFS_CAP_REVISION_3 +static int load_data(const struct vfs_ns_cap_data *filedata, int size) +#else static int load_data(const struct vfs_cap_data *filedata, int size) +#endif { unsigned int magic; - + if (m.cap_ver == 1) return -1; // Should never get here but just in case @@ -289,15 +574,22 @@ static int load_data(const struct vfs_cap_data *filedata, int size) switch (magic & VFS_CAP_REVISION_MASK) { case VFS_CAP_REVISION_1: - m.cap_ver = 1; + m.vfs_cap_ver = 1; if (size != XATTR_CAPS_SZ_1) return -1; break; case VFS_CAP_REVISION_2: - m.cap_ver = 2; + m.vfs_cap_ver = 2; if (size != XATTR_CAPS_SZ_2) return -1; break; +#ifdef VFS_CAP_REVISION_3 + case VFS_CAP_REVISION_3: + m.vfs_cap_ver = 3; + if (size != XATTR_CAPS_SZ_3) + return -1; + break; +#endif default: return -1; } @@ -316,6 +608,12 @@ static int load_data(const struct vfs_cap_data *filedata, int size) m.data.v3[0].effective = 0; m.data.v3[1].effective = 0; } +#ifdef VFS_CAP_REVISION_3 + if (size == XATTR_CAPS_SZ_3) { + struct vfs_ns_cap_data *d = (struct vfs_ns_cap_data *)filedata; + m.rootid = FIXUP(d->rootid); + } +#endif return 0; } #endif @@ -326,8 +624,11 @@ int capng_get_caps_fd(int fd) return -1; #else int rc; +#ifdef VFS_CAP_REVISION_3 + struct vfs_ns_cap_data filedata; +#else struct vfs_cap_data filedata; - +#endif if (m.state == CAPNG_NEW) init(); if (m.state == CAPNG_ERROR) @@ -340,6 +641,8 @@ int capng_get_caps_fd(int fd) rc = load_data(&filedata, rc); if (rc == 0) m.state = CAPNG_INIT; + else + m.state = CAPNG_ERROR; // If load data failed, malformed data return rc; #endif @@ -384,10 +687,25 @@ static void update_bounding_set(capng_act_t action, unsigned int capability, unsigned int idx) { #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { if (action == CAPNG_ADD) m.bounds[idx] |= MASK(capability); else m.bounds[idx] &= ~(MASK(capability)); +} +#endif +} + +static void update_ambient_set(capng_act_t action, unsigned int capability, + unsigned int idx) +{ +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + if (action == CAPNG_ADD) + m.ambient[idx] |= MASK(capability); + else + m.ambient[idx] &= ~(MASK(capability)); +} #endif } @@ -409,7 +727,7 @@ int capng_update(capng_act_t action, capng_type_t type, unsigned int capability) if (CAPNG_INHERITABLE & type) v1_update(action, capability, &m.data.v1.inheritable); } else { - int idx; + unsigned int idx; if (capability > 31) { idx = capability>>5; @@ -425,6 +743,8 @@ int capng_update(capng_act_t action, capng_type_t type, unsigned int capability) update_inheritable(action, capability, idx); if (CAPNG_BOUNDING_SET & type) update_bounding_set(action, capability, idx); + if (CAPNG_AMBIENT & type) + update_ambient_set(action, capability, idx); } m.state = CAPNG_UPDATED; @@ -464,51 +784,116 @@ int capng_updatev(capng_act_t action, capng_type_t type, int capng_apply(capng_select_t set) { - int rc = -1; + int rc = 0; // Before updating, we expect that the data is initialized to something if (m.state < CAPNG_INIT) return -1; - if (set & CAPNG_SELECT_BOUNDS) { + if (set & CAPNG_SELECT_BOUNDS) { #ifdef PR_CAPBSET_DROP - void *s = capng_save_state(); - capng_get_caps_process(); +if (HAVE_PR_CAPBSET_DROP) { + struct cap_ng state; + memcpy(&state, &m, sizeof(state)); /* save state */ + if (capng_get_caps_process()) + return -9; if (capng_have_capability(CAPNG_EFFECTIVE, CAP_SETPCAP)) { - int i; - capng_restore_state(&s); - rc = 0; - for (i=0; i <= CAP_LAST_CAP && rc == 0; i++) + unsigned int i; + memcpy(&m, &state, sizeof(m)); /* restore state */ + for (i=0; i <= last_cap; i++) { if (capng_have_capability(CAPNG_BOUNDING_SET, - i) == 0) - rc = prctl(PR_CAPBSET_DROP, i, 0, 0, 0); - if (rc == 0) - m.state = CAPNG_APPLIED; - } else - capng_restore_state(&s); -#else - rc = 0; + i) == 0) { + if (prctl(PR_CAPBSET_DROP, i, 0, 0, 0) <0) { + rc = -2; + goto try_caps; + } + } + } + m.state = CAPNG_APPLIED; + if (get_bounding_set() < 0) { + rc = -3; + goto try_caps; + } + } else { + memcpy(&m, &state, sizeof(m)); /* restore state */ + rc = -4; + goto try_caps; + } +} #endif } + + // Try caps is here so that if someone had SELECT_BOTH and we blew up + // doing the bounding set, we at least try to set any capabilities + // before returning in case the caller also doesn't bother checking + // the return code. +try_caps: if (set & CAPNG_SELECT_CAPS) { - rc = capset((cap_user_header_t)&m.hdr, - (cap_user_data_t)&m.data); - if (rc == 0) + if (capset((cap_user_header_t)&m.hdr, + (cap_user_data_t)&m.data) == 0) m.state = CAPNG_APPLIED; + else + rc = -5; + } + + // Most programs do not and should not mess with ambient capabilities. + // Instead of returning here if rc is set, we'll let it try to + // do something with ambient capabilities in hopes that it's lowering + // capabilities. Again, this is for people that don't check their + // return codes. + // + // Do ambient last so that inheritable and permitted are set by the + // time we get here. + if (set & CAPNG_SELECT_AMBIENT) { +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + if (capng_have_capabilities(CAPNG_SELECT_AMBIENT) == + CAPNG_NONE) { + if (prctl(PR_CAP_AMBIENT, + PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0) < 0) { + rc = -6; + goto out; + } + } else { + unsigned int i; + + // Clear them all + if (prctl(PR_CAP_AMBIENT, + PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0) < 0) { + rc = -7; + goto out; + } + for (i=0; i <= last_cap; i++) { + if (capng_have_capability(CAPNG_AMBIENT, i)) + if (prctl(PR_CAP_AMBIENT, + PR_CAP_AMBIENT_RAISE, i, 0, 0) < 0){ + rc = -8; + goto out; + } + } + } + m.state = CAPNG_APPLIED; +} +#endif } +out: return rc; } #ifdef VFS_CAP_U32 +#ifdef VFS_CAP_REVISION_3 +static int save_data(struct vfs_ns_cap_data *filedata, int *size) +#else static int save_data(struct vfs_cap_data *filedata, int *size) +#endif { // Now stuff the data structures - if (m.cap_ver == 1) { + if (m.vfs_cap_ver == 1) { filedata->data[0].permitted = FIXUP(m.data.v1.permitted); filedata->data[0].inheritable = FIXUP(m.data.v1.inheritable); filedata->magic_etc = FIXUP(VFS_CAP_REVISION_1); *size = XATTR_CAPS_SZ_1; - } else { + } else if (m.vfs_cap_ver == 2 || m.vfs_cap_ver == 3) { int eff; if (m.data.v3[0].effective || m.data.v3[1].effective) @@ -522,6 +907,15 @@ static int save_data(struct vfs_cap_data *filedata, int *size) filedata->magic_etc = FIXUP(VFS_CAP_REVISION_2 | eff); *size = XATTR_CAPS_SZ_2; } +#ifdef VFS_CAP_REVISION_3 + if (m.vfs_cap_ver == 3) { + // Kernel doesn't support namespaces with non-0 rootid + if (m.rootid!= 0) + return -1; + filedata->rootid = FIXUP(m.rootid); + *size = XATTR_CAPS_SZ_3; + } +#endif return 0; } @@ -532,8 +926,12 @@ int capng_apply_caps_fd(int fd) #ifndef VFS_CAP_U32 return -1; #else - int rc, size; + int rc, size = 0; +#ifdef VFS_CAP_REVISION_3 + struct vfs_ns_cap_data filedata; +#else struct vfs_cap_data filedata; +#endif struct stat buf; // Before updating, we expect that the data is initialized to something @@ -549,7 +947,11 @@ int capng_apply_caps_fd(int fd) if (capng_have_capabilities(CAPNG_SELECT_CAPS) == CAPNG_NONE) rc = fremovexattr(fd, XATTR_NAME_CAPS); else { - save_data(&filedata, &size); + if (save_data(&filedata, &size)) { + m.state = CAPNG_ERROR; + errno = EINVAL; + return -2; + } rc = fsetxattr(fd, XATTR_NAME_CAPS, &filedata, size, 0); } @@ -560,11 +962,11 @@ int capng_apply_caps_fd(int fd) #endif } -// Change uids keeping/removing only certain capabilities +// Change uids keeping/removing only certain capabilities // flag to drop supp groups int capng_change_id(int uid, int gid, capng_flags_t flag) { - int rc, need_setgid, need_setuid; + int rc, ret, need_setgid, need_setuid; // Before updating, we expect that the data is initialized to something if (m.state < CAPNG_INIT) @@ -572,11 +974,13 @@ int capng_change_id(int uid, int gid, capng_flags_t flag) // Check the current capabilities #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { // If newer kernel, we need setpcap to change the bounding set - if (capng_have_capability(CAPNG_EFFECTIVE, CAP_SETPCAP) == 0 && + if (capng_have_capability(CAPNG_EFFECTIVE, CAP_SETPCAP) == 0 && flag & CAPNG_CLEAR_BOUNDING) capng_update(CAPNG_ADD, CAPNG_EFFECTIVE|CAPNG_PERMITTED, CAP_SETPCAP); +} #endif if (gid == -1 || capng_have_capability(CAPNG_EFFECTIVE, CAP_SETGID)) need_setgid = 0; @@ -599,35 +1003,67 @@ int capng_change_id(int uid, int gid, capng_flags_t flag) // Change to the temp capabilities rc = capng_apply(CAPNG_SELECT_CAPS); - if (rc < 0) - return -3; + if (rc < 0) { + ret = -3; + goto err_out; + } + + // If we are clearing ambient, only clear since its applied at the end + if (flag & CAPNG_CLEAR_AMBIENT) + capng_clear(CAPNG_SELECT_AMBIENT); // Clear bounding set if needed while we have CAP_SETPCAP if (flag & CAPNG_CLEAR_BOUNDING) { - capng_clear(CAPNG_BOUNDING_SET); + capng_clear(CAPNG_SELECT_BOUNDS); rc = capng_apply(CAPNG_SELECT_BOUNDS); - if (rc) - return -8; + if (rc) { + ret = -8; + goto err_out; + } } // Change gid if (gid != -1) { rc = setresgid(gid, gid, gid); - if (rc) - return -4; + if (rc) { + ret = -4; + goto err_out; + } + } + + // See if we need to init supplemental groups + if ((flag & CAPNG_INIT_SUPP_GRP) && uid != -1) { + struct passwd *pw = getpwuid(uid); + if (pw == NULL) { + ret = -10; + goto err_out; + } + if (gid != -1) { + if (initgroups(pw->pw_name, gid)) { + ret = -5; + goto err_out; + } + } else if (initgroups(pw->pw_name, pw->pw_gid)) { + ret = -5; + goto err_out; + } } // See if we need to unload supplemental groups if ((flag & CAPNG_DROP_SUPP_GRP) && gid != -1) { - if (setgroups(0, NULL)) - return -5; + if (setgroups(0, NULL)) { + ret = -5; + goto err_out; + } } // Change uid if (uid != -1) { rc = setresuid(uid, uid, uid); - if (rc) - return -6; + if (rc) { + ret = -6; + goto err_out; + } } // Tell it we are done keeping capabilities @@ -646,25 +1082,38 @@ int capng_change_id(int uid, int gid, capng_flags_t flag) // Now drop setpcap & apply capng_update(CAPNG_DROP, CAPNG_EFFECTIVE|CAPNG_PERMITTED, CAP_SETPCAP); - rc = capng_apply(CAPNG_SELECT_CAPS); + rc = capng_apply(CAPNG_SELECT_CAPS|CAPNG_SELECT_AMBIENT); if (rc < 0) return -9; // Done m.state = CAPNG_UPDATED; return 0; + +err_out: + prctl(PR_SET_KEEPCAPS, 0, 0, 0, 0); + return ret; } int capng_lock(void) { + // If either fail, return -1 since something is not right #ifdef PR_SET_SECUREBITS +if (HAVE_PR_SET_SECUREBITS) { int rc = prctl(PR_SET_SECUREBITS, 1 << SECURE_NOROOT | 1 << SECURE_NOROOT_LOCKED | 1 << SECURE_NO_SETUID_FIXUP | 1 << SECURE_NO_SETUID_FIXUP_LOCKED, 0, 0, 0); +#ifdef PR_SET_NO_NEW_PRIVS +if (HAVE_PR_SET_NO_NEW_PRIVS) { + if (prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0)) + return -1; +} +#endif if (rc) return -1; +} #endif return 0; @@ -676,8 +1125,10 @@ capng_results_t capng_have_capabilities(capng_select_t set) int empty = 0, full = 0; // First, try to init with current set - if (m.state < CAPNG_INIT) - capng_get_caps_process(); + if (m.state < CAPNG_INIT) { + if (capng_get_caps_process()) + return CAPNG_FAIL; + } // If we still don't have anything, error out if (m.state < CAPNG_INIT) @@ -702,16 +1153,17 @@ capng_results_t capng_have_capabilities(capng_select_t set) full = 1; else return CAPNG_PARTIAL; - if ((m.data.v3[1].effective & UPPER_MASK) == 0) + if ((m.data.v3[1].effective & UPPER_MASK) == 0 && !full) empty = 1; else if ((m.data.v3[1].effective & UPPER_MASK) == - UPPER_MASK) + UPPER_MASK && !empty) full = 1; else return CAPNG_PARTIAL; } } #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { if (set & CAPNG_SELECT_BOUNDS) { if (m.bounds[0] == 0) empty = 1; @@ -726,13 +1178,70 @@ capng_results_t capng_have_capabilities(capng_select_t set) else return CAPNG_PARTIAL; } -#endif +} else + empty = 1; +#endif +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + if (set & CAPNG_SELECT_AMBIENT) { + if (m.ambient[0] == 0) + empty = 1; + else if (m.ambient[0] == 0xFFFFFFFFU) + full = 1; + else + return CAPNG_PARTIAL; + if ((m.ambient[1] & UPPER_MASK) == 0) + empty = 1; + else if ((m.ambient[1] & UPPER_MASK) == UPPER_MASK) + full = 1; + else + return CAPNG_PARTIAL; + } +} else + empty = 1; +#endif + if (empty == 1 && full == 0) + return CAPNG_NONE; + else if (empty == 0 && full == 1) + return CAPNG_FULL; + + return CAPNG_PARTIAL; +} + +// -1 - error, 0 - no caps, 1 partial caps, 2 full caps +capng_results_t capng_have_permitted_capabilities(void) +{ + int empty = 0, full = 0; + + // First, try to init with current set + if (m.state < CAPNG_INIT) { + if (capng_get_caps_process()) + return CAPNG_FAIL; + } + + // If we still don't have anything, error out + if (m.state < CAPNG_INIT) + return CAPNG_FAIL; + + if (m.data.v3[0].permitted == 0) + empty = 1; + else if (m.data.v3[0].permitted == 0xFFFFFFFFU) + full = 1; + else + return CAPNG_PARTIAL; + + if ((m.data.v3[1].permitted & UPPER_MASK) == 0 && !full) + empty = 1; + else if ((m.data.v3[1].permitted & UPPER_MASK) == UPPER_MASK && !empty) + full = 1; + else + return CAPNG_PARTIAL; if (empty == 1 && full == 0) return CAPNG_NONE; else if (empty == 0 && full == 1) return CAPNG_FULL; - + return CAPNG_PARTIAL; } @@ -754,10 +1263,21 @@ static int check_inheritable(unsigned int capability, unsigned int idx) static int bounds_bit_check(unsigned int capability, unsigned int idx) { #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { return MASK(capability) & m.bounds[idx] ? 1 : 0; -#else +} +#endif return 0; +} + +static int ambient_bit_check(unsigned int capability, unsigned int idx) +{ +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + return MASK(capability) & m.ambient[idx] ? 1 : 0; +} #endif + return 0; } static int v1_check(unsigned int capability, __u32 data) @@ -768,12 +1288,14 @@ static int v1_check(unsigned int capability, __u32 data) int capng_have_capability(capng_type_t which, unsigned int capability) { // First, try to init with current set - if (m.state < CAPNG_INIT) - capng_get_caps_process(); + if (m.state < CAPNG_INIT) { + if (capng_get_caps_process()) + return 0; + } // If we still don't have anything, error out if (m.state < CAPNG_INIT) - return CAPNG_FAIL; + return 0; if (m.cap_ver == 1 && capability > 31) return 0; if (!cap_valid(capability)) @@ -803,6 +1325,8 @@ int capng_have_capability(capng_type_t which, unsigned int capability) return check_inheritable(capability, idx); else if (which == CAPNG_BOUNDING_SET) return bounds_bit_check(capability, idx); + else if (which == CAPNG_AMBIENT) + return ambient_bit_check(capability, idx); } return 0; } @@ -833,17 +1357,25 @@ char *capng_print_caps_numeric(capng_print_t where, capng_select_t set) m.data.v3[0].permitted, m.data.v3[1].inheritable & UPPER_MASK, m.data.v3[0].inheritable); - } } #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { if (set & CAPNG_SELECT_BOUNDS) printf("Bounding Set: %08X, %08X\n", m.bounds[1] & UPPER_MASK, m.bounds[0]); +} +#endif +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + if (set & CAPNG_SELECT_AMBIENT) + printf("Ambient : %08X, %08X\n", + m.ambient[1] & UPPER_MASK, m.ambient[0]); +} #endif } else if (where == CAPNG_PRINT_BUFFER) { if (set & CAPNG_SELECT_CAPS) { - // Make it big enough for bounding set, too + // Make it big enough for bounding & ambient set, too ptr = malloc(160); if (m.cap_ver == 1) { snprintf(ptr, 160, @@ -868,9 +1400,11 @@ char *capng_print_caps_numeric(capng_print_t where, capng_select_t set) } if (set & CAPNG_SELECT_BOUNDS) { #ifdef PR_CAPBSET_DROP +if (HAVE_PR_CAPBSET_DROP) { char *s; - if (ptr == NULL ){ - ptr = malloc(40); + // If ptr is NULL, we only room for bounding and ambient + if (ptr == NULL ) { + ptr = malloc(80); if (ptr == NULL) return ptr; *ptr = 0; @@ -879,6 +1413,26 @@ char *capng_print_caps_numeric(capng_print_t where, capng_select_t set) s = ptr + strlen(ptr); snprintf(s, 40, "Bounding Set: %08X, %08X\n", m.bounds[1] & UPPER_MASK, m.bounds[0]); +} +#endif + } + if (set & CAPNG_SELECT_AMBIENT) { +#ifdef PR_CAP_AMBIENT +if (HAVE_PR_CAP_AMBIENT) { + char *s; + // If ptr is NULL, we only room for ambient + if (ptr == NULL ) { + ptr = malloc(40); + if (ptr == NULL) + return ptr; + *ptr = 0; + s = ptr; + } else + s = ptr + strlen(ptr); + snprintf(s, 40, "Ambient Set: %08X, %08X\n", + m.ambient[1] & UPPER_MASK, + m.ambient[0]); +} #endif } } @@ -888,16 +1442,17 @@ char *capng_print_caps_numeric(capng_print_t where, capng_select_t set) char *capng_print_caps_text(capng_print_t where, capng_type_t which) { - unsigned int i; - int once = 0, cnt = 0; + unsigned int i, once = 0, cnt = 0; char *ptr = NULL; if (m.state < CAPNG_INIT) return ptr; - for (i=0; i<=CAP_LAST_CAP; i++) { + for (i=0; i<=last_cap; i++) { if (capng_have_capability(which, i)) { const char *n = capng_capability_to_name(i); + if (n == NULL) + n = "unknown"; if (where == CAPNG_PRINT_STDOUT) { if (once == 0) { printf("%s", n); @@ -907,7 +1462,7 @@ char *capng_print_caps_text(capng_print_t where, capng_type_t which) } else if (where == CAPNG_PRINT_BUFFER) { int len; if (once == 0) { - ptr = malloc(CAP_LAST_CAP*18); + ptr = malloc(last_cap*20); if (ptr == NULL) return ptr; len = sprintf(ptr+cnt, "%s", n); diff --git a/src/cap-ng.h b/src/cap-ng.h index 89d63af..a747e92 100644 --- a/src/cap-ng.h +++ b/src/cap-ng.h @@ -1,5 +1,5 @@ /* libcap-ng.h -- - * Copyright 2009 Red Hat Inc., Durham, North Carolina. + * Copyright 2009,2013,2020-23 Red Hat Inc. * All Rights Reserved. * * This library is free software; you can redistribute it and/or @@ -12,9 +12,10 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU Lesser General Public License + * along with this program; see the file COPYING.LIB. If not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -27,51 +28,69 @@ #include <linux/capability.h> #include <unistd.h> -#ifdef __cplusplus -extern "C" { +// The next 2 macros originate in sys/cdefs.h +// gcc-analyzer notation +#ifndef __attr_dealloc +# define __attr_dealloc(dealloc, argno) +# define __attr_dealloc_free +#endif + +// Warn unused result +#ifndef __wur +# define __wur #endif -#ifndef CAP_LAST_CAP -#define CAP_LAST_CAP CAP_AUDIT_CONTROL +#ifdef __cplusplus +extern "C" { #endif typedef enum { CAPNG_DROP, CAPNG_ADD } capng_act_t; typedef enum { CAPNG_EFFECTIVE=1, CAPNG_PERMITTED=2, - CAPNG_INHERITABLE=4, CAPNG_BOUNDING_SET=8 } capng_type_t; + CAPNG_INHERITABLE=4, CAPNG_BOUNDING_SET=8, + CAPNG_AMBIENT=16 } capng_type_t; typedef enum { CAPNG_SELECT_CAPS = 16, CAPNG_SELECT_BOUNDS = 32, - CAPNG_SELECT_BOTH = 48 } capng_select_t; + CAPNG_SELECT_BOTH = 48, CAPNG_SELECT_AMBIENT = 64, + CAPNG_SELECT_ALL = 112 } capng_select_t; typedef enum { CAPNG_FAIL=-1, CAPNG_NONE, CAPNG_PARTIAL, CAPNG_FULL } capng_results_t; typedef enum { CAPNG_PRINT_STDOUT, CAPNG_PRINT_BUFFER } capng_print_t; typedef enum { CAPNG_NO_FLAG=0, CAPNG_DROP_SUPP_GRP=1, - CAPNG_CLEAR_BOUNDING=2 } capng_flags_t; + CAPNG_CLEAR_BOUNDING=2, CAPNG_INIT_SUPP_GRP=4, + CAPNG_CLEAR_AMBIENT=8 } capng_flags_t; +#define CAPNG_UNSET_ROOTID -1 +#define CAPNG_SUPPORTS_AMBIENT 1 // These functions manipulate process capabilities void capng_clear(capng_select_t set); void capng_fill(capng_select_t set); void capng_setpid(int pid); -int capng_get_caps_process(void); +int capng_get_caps_process(void) __wur; int capng_update(capng_act_t action, capng_type_t type,unsigned int capability); int capng_updatev(capng_act_t action, capng_type_t type, unsigned int capability, ...); // These functions apply the capabilities previously setup to a process -int capng_apply(capng_select_t set); -int capng_lock(void); -int capng_change_id(int uid, int gid, capng_flags_t flag); +int capng_apply(capng_select_t set) __wur; +int capng_lock(void) __wur; +int capng_change_id(int uid, int gid, capng_flags_t flag) __wur; // These functions are used for file based capabilities -int capng_get_caps_fd(int fd); -int capng_apply_caps_fd(int fd); +int capng_get_rootid(void); +int capng_set_rootid(int rootid); +int capng_get_caps_fd(int fd) __wur; +int capng_apply_caps_fd(int fd) __wur; // These functions check capability bits capng_results_t capng_have_capabilities(capng_select_t set); +capng_results_t capng_have_permitted_capabilities(void); int capng_have_capability(capng_type_t which, unsigned int capability); // These functions printout capabilities -char *capng_print_caps_numeric(capng_print_t where, capng_select_t set); -char *capng_print_caps_text(capng_print_t where, capng_type_t which); +char *capng_print_caps_numeric(capng_print_t where, capng_select_t set) + __attr_dealloc_free; +char *capng_print_caps_text(capng_print_t where, capng_type_t which) + __attr_dealloc_free; // These functions convert between numeric and text string int capng_name_to_capability(const char *name); @@ -80,8 +99,8 @@ const char *capng_capability_to_name(unsigned int capability); // These function should be used when you suspect a third party library // may use libcap-ng also and want to make sure it doesn't alter something // important. Otherwise you shouldn't need to call these. -void *capng_save_state(void); void capng_restore_state(void **state); +void *capng_save_state(void); #ifdef __cplusplus } diff --git a/src/captab.h b/src/captab.h index 46a617c..a4dec04 100644 --- a/src/captab.h +++ b/src/captab.h @@ -1,5 +1,5 @@ /* captab.h -- - * Copyright 2009,2011 Red Hat Inc., Durham, North Carolina. + * Copyright 2009,2011-14,2020 Red Hat Inc. * All Rights Reserved. * * This library is free software; you can redistribute it and/or @@ -12,9 +12,10 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU Lesser General Public License + * along with this program; see the file COPYING.LIB. If not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -40,7 +41,7 @@ _S(CAP_SYS_MODULE, "sys_module" ) _S(CAP_SYS_RAWIO, "sys_rawio" ) _S(CAP_SYS_CHROOT, "sys_chroot" ) _S(CAP_SYS_PTRACE, "sys_ptrace" ) -_S(CAP_SYS_PACCT, "sys_psacct" ) +_S(CAP_SYS_PACCT, "sys_pacct" ) _S(CAP_SYS_ADMIN, "sys_admin" ) _S(CAP_SYS_BOOT, "sys_boot" ) _S(CAP_SYS_NICE, "sys_nice" ) @@ -63,7 +64,27 @@ _S(CAP_MAC_ADMIN, "mac_admin" ) #ifdef CAP_SYSLOG _S(CAP_SYSLOG, "syslog" ) #endif +#if defined(CAP_EPOLLWAKEUP) && defined(CAP_BLOCK_SUSPEND) +#error "Both CAP_EPOLLWAKEUP and CAP_BLOCK_SUSPEND are defined" +#endif +#ifdef CAP_EPOLLWAKEUP +_S(CAP_EPOLLWAKEUP, "epollwakeup" ) +#endif #ifdef CAP_WAKE_ALARM -_S(CAP_WAKE_ALARM, "wake_alarm" ) +_S(CAP_WAKE_ALARM, "wake_alarm" ) +#endif +#ifdef CAP_BLOCK_SUSPEND +_S(CAP_BLOCK_SUSPEND, "block_suspend" ) +#endif +#ifdef CAP_AUDIT_READ +_S(CAP_AUDIT_READ, "audit_read" ) +#endif +#ifdef CAP_PERFMON +_S(CAP_PERFMON, "perfmon" ) +#endif +#ifdef CAP_BPF +_S(CAP_BPF, "bpf" ) +#endif +#ifdef CAP_CHECKPOINT_RESTORE +_S(CAP_CHECKPOINT_RESTORE, "checkpoint_restore") #endif - diff --git a/src/libcap-ng.pc.in b/src/libcap-ng.pc.in index ff1074b..e61ea83 100644 --- a/src/libcap-ng.pc.in +++ b/src/libcap-ng.pc.in @@ -4,7 +4,7 @@ libdir=@libdir@ includedir=@includedir@ Name: libcap-ng -Description: An alternate posix capabilities library. +Description: An alternate POSIX capabilities library. Version: @VERSION@ Libs: -L${libdir} -lcap-ng Cflags: -I${includedir} diff --git a/src/libdrop_ambient.c b/src/libdrop_ambient.c new file mode 100644 index 0000000..80e138d --- /dev/null +++ b/src/libdrop_ambient.c @@ -0,0 +1,31 @@ +/* libdrop_ambient.c -- + * Copyright 2020 Red Hat Inc. + * All Rights Reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; see the file COPYING.LIB. If not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. + * + * Authors: + * Steve Grubb <sgrubb@redhat.com> + */ + +#include "config.h" +#include <sys/prctl.h> + +void __attribute__ ((constructor)) init(void) +{ + prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0); +} + diff --git a/src/lookup_table.c b/src/lookup_table.c index e12eb3d..63fd0bd 100644 --- a/src/lookup_table.c +++ b/src/lookup_table.c @@ -1,5 +1,5 @@ -/* lookup_table.c -- - * Copyright 2009 Red Hat Inc., Durham, North Carolina. +/* lookup_table.c -- + * Copyright 2009, 2013 Red Hat Inc. * All Rights Reserved. * * This library is free software; you can redistribute it and/or @@ -12,9 +12,10 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU Lesser General Public License + * along with this program; see the file COPYING.LIB. If not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -24,13 +25,15 @@ #include <stddef.h> #include <linux/capability.h> #include <strings.h> +#include <stdio.h> +#include <stdlib.h> // free -#ifndef CAP_LAST_CAP -#define CAP_LAST_CAP CAP_AUDIT_CONTROL -#endif +#define hidden __attribute__ ((visibility ("hidden"))) +extern unsigned int last_cap hidden; + #undef cap_valid -#define cap_valid(x) ((x) <= CAP_LAST_CAP) +#define cap_valid(x) ((x) <= last_cap) struct transtab { @@ -104,12 +107,23 @@ int capng_name_to_capability(const char *name) CAP_NG_CAPABILITY_NAMES, name); } +static char *ptr2 = NULL; const char *capng_capability_to_name(unsigned int capability) { + const char *ptr; + if (!cap_valid(capability)) return NULL; - return capng_lookup_number(captab, captab_msgstr.str, + ptr = capng_lookup_number(captab, captab_msgstr.str, CAP_NG_CAPABILITY_NAMES, capability); + if (ptr == NULL) { // This leaks memory, but should almost never be used + free(ptr2); + if (asprintf(&ptr2, "cap_%u", capability) < 0) + ptr = NULL; + else + ptr = ptr2; + } + return ptr; } diff --git a/src/test/Makefile.am b/src/test/Makefile.am index f3963cf..34c22d6 100644 --- a/src/test/Makefile.am +++ b/src/test/Makefile.am @@ -1,5 +1,5 @@ # Makefile.am -- -# Copyright 2009,10 Red Hat Inc., Durham, North Carolina. +# Copyright 2009,10,15 Red Hat Inc. # All Rights Reserved. # # This library is free software; you can redistribute it and/or @@ -12,15 +12,16 @@ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# You should have received a copy of the GNU Lesser General Public License +# along with this program; see the file COPYING.LIB. If not, write to the +# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +# Boston, MA 02110-1335, USA. # # Authors: # Steve Grubb <sgrubb@redhat.com> # -INCLUDES = -I${top_srcdir} -I${top_srcdir}/src +AM_CPPFLAGS = -I${top_srcdir} -I${top_srcdir}/src check_PROGRAMS = lib_test thread_test TESTS = $(check_PROGRAMS) diff --git a/src/test/Makefile.in b/src/test/Makefile.in deleted file mode 100644 index a52c2de..0000000 --- a/src/test/Makefile.in +++ /dev/null @@ -1,607 +0,0 @@ -# Makefile.in generated by automake 1.11.1 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, -# Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - -# Makefile.am -- -# Copyright 2009,10 Red Hat Inc., Durham, North Carolina. -# All Rights Reserved. -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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you can redistribute it and/or @@ -12,9 +12,10 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the GNU Lesser General Public License + * along with this program; see the file COPYING.LIB. If not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -25,11 +26,35 @@ #include <stdlib.h> #include <stdio.h> #include <string.h> +#include <errno.h> +#include <fcntl.h> +#include <sys/stat.h> +static unsigned int get_last_cap(void) +{ + int fd; + + fd = open("/proc/sys/kernel/cap_last_cap", O_RDONLY); + if (fd == -1) { + return CAP_LAST_CAP; + } else { + char buf[8]; + int num = read(fd, buf, sizeof(buf)); + if (num > 0) { + errno = 0; + unsigned int val = strtoul(buf, NULL, 10); + if (errno == 0) + return val; + } + close(fd); + } + return CAP_LAST_CAP; +} int main(void) { - int rc, i, len, last = CAP_LAST_CAP; + int rc; + unsigned int i, len, last = get_last_cap(); char *text; void *saved; @@ -59,6 +84,7 @@ int main(void) } printf("Doing advanced bit tests for %d capabilities...\n", last); for (i=0; i<=last; i++) { + const char *name; capng_clear(CAPNG_SELECT_BOTH); rc = capng_update(CAPNG_ADD, CAPNG_EFFECTIVE, i); if (rc) { @@ -103,10 +129,14 @@ int main(void) puts("Failed getting print text to buffer"); abort(); } - if (strcmp(text, capng_capability_to_name(i))) { + name = capng_capability_to_name(i); + if (name == NULL) { + printf("Failed converting capability %d to name\n", i); + abort(); + } + if (strcmp(text, name)) { puts("Failed print text comparison"); - printf("%s != %s\n", text, - capng_capability_to_name(i)); + printf("%s != %s\n", text, name); abort(); } free(text); diff --git a/src/test/thread_test.c b/src/test/thread_test.c index c5ba030..ef7c3c9 100644 --- a/src/test/thread_test.c +++ b/src/test/thread_test.c @@ -1,3 +1,4 @@ +#include "config.h" #include <stdio.h> #include <stdlib.h> #include <cap-ng.h> @@ -30,7 +31,10 @@ void *thread2_main(void *arg) #ifdef DEBUG printf("thread2 getting capabilities\n"); #endif - capng_get_caps_process(); + if (capng_get_caps_process()) { + printf("Unable to get process capabilities"); + exit(1); + } if (capng_have_capabilities(CAPNG_SELECT_CAPS) != CAPNG_NONE) { printf("Detected capabilities when there should not be any\n"); exit(1); @@ -44,6 +48,15 @@ void *thread2_main(void *arg) int main(void) { + // This test must be run as root which naturally has all capabilities + // set. So, we need to clear the capabilities so that we can see if + // the test works. + capng_clear(CAPNG_SELECT_CAPS); + if (capng_apply(CAPNG_SELECT_CAPS)) { + printf("Clearing capabilities failed"); + return 1; + } + printf("Testing thread separation of capabilities\n"); pthread_create(&thread1, NULL, thread1_main, NULL); pthread_create(&thread2, NULL, thread2_main, NULL); diff --git a/utils/Makefile.am b/utils/Makefile.am index 522e0a9..f430454 100644 --- a/utils/Makefile.am +++ b/utils/Makefile.am @@ -1,5 +1,5 @@ # Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. +# Copyright 2009,2015 Red Hat Inc. # All Rights Reserved. # # This library is free software; you can redistribute it and/or @@ -12,9 +12,10 @@ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# You should have received a copy of the GNU Lesser General Public License +# along with this program; see the file COPYING. If not, write to the +# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +# Boston, MA 02110-1335, USA. # # Authors: # Steve Grubb <sgrubb@redhat.com> @@ -23,9 +24,9 @@ CONFIG_CLEAN_FILES = *.loT *.rej *.orig AUTOMAKE_OPTIONS = no-dependencies EXTRA_DIST = $(man_MANS) -INCLUDES = -I${top_srcdir} -I${top_srcdir}/src +AM_CPPFLAGS = -I${top_srcdir} -I${top_srcdir}/src LIBS = -L${top_builddir}/src -lcap-ng -AM_CFLAGS = -W -Wall -Wshadow -Wformat -Wundef -D_GNU_SOURCE +AM_CFLAGS = -W -Wall -Wshadow ${WFLAGS} -Wundef -D_GNU_SOURCE bin_PROGRAMS = pscap netcap filecap captest man_MANS = pscap.8 netcap.8 filecap.8 captest.8 diff --git a/utils/Makefile.in b/utils/Makefile.in deleted file mode 100644 index 37e0367..0000000 --- a/utils/Makefile.in +++ /dev/null @@ -1,630 +0,0 @@ -# Makefile.in generated by automake 1.11.1 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, -# Inc. -# This Makefile.in is free software; the Free Software Foundation -# gives unlimited permission to copy and/or distribute it, -# with or without modifications, as long as this notice is preserved. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY, to the extent permitted by law; without -# even the implied warranty of MERCHANTABILITY or FITNESS FOR A -# PARTICULAR PURPOSE. - -@SET_MAKE@ - -# Makefile.am -- -# Copyright 2009 Red Hat Inc., Durham, North Carolina. -# All Rights Reserved. -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2.1 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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Each option prints the same report. It will output current capabilities. then it will try to access /etc/shadow directly to show if that can be done. Then it creates a child process that attempts to read /etc/shadow and outputs the results of that. Then it outputs the capabilities that a child process would have. @@ -10,8 +10,11 @@ You can also apply file system capabilities to this program to study how they wo .SH OPTIONS .TP +.B \-\-ambient +This attempts to add CAP_CHOWN ambient capability. +.TP .B \-\-drop-all -This drops all capabilities and clears the bounding set. +This drops all capabilities including ambient and clears the bounding set. .TP .B \-\-drop-caps This drops just traditional capabilities. @@ -19,6 +22,9 @@ This drops just traditional capabilities. .B \-\-id This changes to uid and gid 99, drops supplemental groups, and clears the bounding set. .TP +.B \-\-init-grp +This changes to uid and gid 99 and then adds any supplemental groups that comes with that account. You would have add them prior to testing because by default there are no supplemental groups on account 99. +.TP .B \-\-text This option outputs the effective capabilities in text rather than numerically. .TP diff --git a/utils/captest.c b/utils/captest.c index 2009d3c..0e15f44 100644 --- a/utils/captest.c +++ b/utils/captest.c @@ -1,6 +1,6 @@ /* * captest.c - A program that demonstrates and outputs capabilities - * Copyright (c) 2009 Red Hat Inc., Durham, North Carolina. + * Copyright (c) 2009, 2013, 2020 Red Hat Inc. * All Rights Reserved. * * This software may be freely redistributed and/or modified under the @@ -15,12 +15,14 @@ * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to the - * Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> * */ +#include "config.h" #include <unistd.h> #include <stdio.h> #include <fcntl.h> @@ -48,7 +50,7 @@ #define SECURE_NO_SETUID_FIXUP_LOCKED 3 /* make bit-2 immutable */ #endif -static int text = 0, no_child = 0, lock = 0; +static int text = 0, no_child = 0, lock = 0, ambient = 0; static void report(void) { @@ -82,10 +84,10 @@ static void report(void) } printf("Child "); } - printf("User credentials uid:%d euid:%d suid:%d\n", uid, euid, suid); + printf("User credentials uid:%u euid:%u suid:%u\n", uid, euid, suid); if (no_child) printf("Child "); - printf("Group credentials gid:%d egid:%d sgid:%d\n", gid, egid, sgid); + printf("Group credentials gid:%u egid:%u sgid:%u\n", gid, egid, sgid); if (uid != euid || gid != egid) printf("Note: app has mismatching credentials!!\n"); @@ -121,6 +123,12 @@ static void report(void) capng_print_caps_text(CAPNG_PRINT_STDOUT, CAPNG_BOUNDING_SET); printf("\n"); + if (no_child) + printf("Child "); + printf("Ambient: "); + capng_print_caps_text(CAPNG_PRINT_STDOUT, + CAPNG_AMBIENT); + printf("\n"); } } else { if (capng_have_capabilities(CAPNG_SELECT_CAPS) == CAPNG_NONE) { @@ -128,11 +136,11 @@ static void report(void) printf("Child capabilities: none\n"); else printf("Current capabilities: none\n"); - } else { + } else { if (no_child) printf("Child capabilities:\n"); capng_print_caps_numeric(CAPNG_PRINT_STDOUT, - CAPNG_SELECT_BOTH); + CAPNG_SELECT_ALL); } } @@ -195,7 +203,7 @@ static void report(void) static void usage(void) { - printf("usage: captest [ --drop-all | --drop-caps | --id ] [ --lock ] [ --text ]\n"); + printf("usage: captest [ --ambient | --drop-all | --drop-caps | --id | --init-grp ] [ --lock ] [ --text ]\n"); } int main(int argc, char *argv[]) @@ -215,6 +223,10 @@ int main(int argc, char *argv[]) which = 2; else if (strcmp(argv[i], "--id") == 0) which = 3; + else if (strcmp(argv[i], "--init-grp") == 0) + which = 4; + else if (strcmp(argv[i], "--ambient") == 0) + ambient = 1; else { usage(); return 0; @@ -223,40 +235,78 @@ int main(int argc, char *argv[]) switch (which) { case 1: - capng_clear(CAPNG_SELECT_BOTH); - if (lock) - capng_lock(); - capng_apply(CAPNG_SELECT_BOTH); + capng_clear(CAPNG_SELECT_ALL); + if (lock) { + if (capng_lock()) { + fprintf(stderr, "capng_lock failed\n"); + return 1; + } + } + if (capng_apply(CAPNG_SELECT_ALL)) { + fprintf(stderr, "capng_apply failed\n"); + return 1; + } report(); break; case 2: capng_clear(CAPNG_SELECT_CAPS); - if (lock) - capng_lock(); - capng_apply(CAPNG_SELECT_CAPS); + if (ambient) + capng_update(CAPNG_ADD, CAPNG_AMBIENT, + CAP_CHOWN); + if (lock) { + if (capng_lock()) { + fprintf(stderr, "capng_lock failed\n"); + return 1; + } + } + if (ambient) { + if (capng_apply( + CAPNG_SELECT_CAPS|CAPNG_SELECT_AMBIENT)) { + fprintf(stderr, "capng_apply failed\n"); + return 1; + } + } else { + if (capng_apply(CAPNG_SELECT_CAPS)) { + fprintf(stderr, "capng_apply failed\n"); + return 1; + } + } report(); break; - case 3: { + case 3: + case 4: { int rc; capng_clear(CAPNG_SELECT_BOTH); capng_update(CAPNG_ADD, CAPNG_EFFECTIVE|CAPNG_PERMITTED, CAP_CHOWN); - rc = capng_change_id(99, 99, + if (ambient) + capng_update(CAPNG_ADD, + CAPNG_INHERITABLE|CAPNG_AMBIENT, + CAP_CHOWN); + if (which == 4) + rc = capng_change_id(99, 99, + CAPNG_INIT_SUPP_GRP | CAPNG_CLEAR_BOUNDING); + else + rc = capng_change_id(99, 99, CAPNG_DROP_SUPP_GRP | CAPNG_CLEAR_BOUNDING); if (rc < 0) { printf("Error changing uid: %d\n", rc); capng_print_caps_text(CAPNG_PRINT_STDOUT, CAPNG_EFFECTIVE); printf("\n"); - exit(1); + return 1; } printf("Keeping CAP_CHOWN to show capabilities across uid change.\n"); report(); } break; case 0: - if (lock) - capng_lock(); + if (lock) { + if (capng_lock()) { + fprintf(stderr, "capng_lock failed\n"); + return 1; + } + } report(); break; } diff --git a/utils/filecap.8 b/utils/filecap.8 index d159aa9..baf67b4 100644 --- a/utils/filecap.8 +++ b/utils/filecap.8 @@ -1,10 +1,10 @@ -.TH FILECAP: "8" "March 2009" "Red Hat" "System Administration Utilities" +.TH FILECAP: "8" "Aug 2018" "Red Hat" "System Administration Utilities" .SH NAME filecap \- a program to see capabilities .SH SYNOPSIS .B filecap [ \-a | \-d | /dir | /dir/file [cap1 cap2 ...] ] .SH DESCRIPTION -\fBfilecap\fP is a program that prints out a report of programs with file based capabilities. If a file is not in the report or there is no report at all, no capabilities were found. For expedience, the default is to check only the directories in the PATH environmental variable. If the \-a command line option is given, then all directories will be checked. If a directory is passed, it will recursively check that directory. If a path to a file is given, it will only check that file. If the path to the file includes capabilities, then they are written to the file. +\fBfilecap\fP is a program that prints out a report of programs with file based capabilities. If a file is not in the report or there is no report at all, no capabilities were found. For expedience, the default is to check only the directories in the PATH environmental variable. If the \-a command line option is given, then all directories will be checked. If a directory is passed, it will recursively check that directory. If a path to a file is given, it will only check that file. If a file is given followed by capabilities, then the capabilities are written to the file. .SH OPTIONS .TP @@ -16,23 +16,26 @@ This dumps all capabilities for reference. .SH "EXAMPLES" .nf -.B To check file capabilities in $PATH: +To check file capabilities in $PATH: .B filecap -.B To check file capabilities of whole system: +To check file capabilities of whole system: .B filecap -a -.B To check file capabilities recursively in a directory: +To check file capabilities recursively in a directory: .B filecap /usr -.B To check file capabilities of a specific program: +To check file capabilities of a specific program: .B filecap /bin/passwd -.B To list all possible capabilities: +To list all possible capabilities: .B filecap -d -.B To set a file capability on a specific program: -.B filecap /bin/ping net_raw net_admin +To set a file capability on a specific program: +.B filecap /bin/ping net_raw net_admin + +To remove file capabilities on a specific program: +.B filecap /bin/ping none .fi .SH "SEE ALSO" .BR pscap (8), diff --git a/utils/filecap.c b/utils/filecap.c index 496e020..b6f4e2d 100644 --- a/utils/filecap.c +++ b/utils/filecap.c @@ -1,6 +1,6 @@ /* * filecap.c - A program that lists running processes with capabilities - * Copyright (c) 2009-10 Red Hat Inc., Durham, North Carolina. + * Copyright (c) 2009-10,2012,2017,2020 Red Hat Inc. * All Rights Reserved. * * This software may be freely redistributed and/or modified under the @@ -15,7 +15,8 @@ * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to the - * Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -27,12 +28,16 @@ #include <string.h> #include <errno.h> #include "cap-ng.h" -#define __USE_GNU 1 #include <fcntl.h> -#define __USE_XOPEN_EXTENDED 1 #include <ftw.h> +#ifndef FTW_CONTINUE +#define FTW_CONTINUE 0 +#endif + + static int show_all = 0, header = 0, capabilities = 0, cremove = 0; +static int single_file = 0; static void usage(void) { @@ -41,42 +46,64 @@ static void usage(void) exit(1); } +// Returns 1 on error and 0 otherwise static int check_file(const char *fpath, const struct stat *sb, int typeflag_unused __attribute__ ((unused)), struct FTW *s_unused __attribute__ ((unused))) { + int ret = FTW_CONTINUE; + if (S_ISREG(sb->st_mode) == 0) - return FTW_CONTINUE; + return ret; - int fd = open(fpath, O_RDONLY); + int fd = open(fpath, O_RDONLY|O_CLOEXEC); if (fd >= 0) { capng_results_t rc; + int permitted = 0; capng_clear(CAPNG_SELECT_BOTH); - capng_get_caps_fd(fd); + if (capng_get_caps_fd(fd) < 0 && errno != ENODATA) { + fprintf(stderr, + "Unable to get capabilities of %s: %s\n", + fpath, strerror(errno)); + if (single_file) + ret = 1; + } rc = capng_have_capabilities(CAPNG_SELECT_CAPS); + if (rc == CAPNG_NONE) { + permitted = 1; + rc = capng_have_permitted_capabilities(); + } if (rc > CAPNG_NONE) { if (header == 0) { header = 1; - printf("%-20s capabilities\n", "file"); + printf("%-9s %-20s capabilities rootid\n", + "set", "file"); } - printf("%s ", fpath); + + int rootid = capng_get_rootid(); + printf("%s %s ", + permitted ? "permitted" : "effective", fpath); + if (rc == CAPNG_FULL) printf("full"); else capng_print_caps_text(CAPNG_PRINT_STDOUT, CAPNG_PERMITTED); + + if (rootid != CAPNG_UNSET_ROOTID) + printf(" %d", rootid); printf("\n"); } close(fd); } - return FTW_CONTINUE; + return ret; } // Use cases: -// filecap +// filecap // filecap -a // filecap /path/dir // filecap /path/file @@ -84,29 +111,35 @@ static int check_file(const char *fpath, // int main(int argc, char *argv[]) { -#if CAP_LAST_CAP < 31 || !defined (VFS_CAP_U32) || !defined (HAVE_ATTR_XATTR_H) - printf("File based capabilities are not supported\n"); +#if CAP_LAST_CAP < 31 || !defined (VFS_CAP_U32) || \ + (!defined (HAVE_ATTR_XATTR_H) && !defined(HAVE_SYS_XATTR_H)) + fprintf(stderr, "File based capabilities are not supported\n"); #else char *path_env, *path = NULL, *dir = NULL; struct stat sbuf; int nftw_flags = FTW_PHYS; - int i; + int i, rc = 0; if (argc >1) { - for (i=1; i<argc; i++) { + for (i=1; i<argc; i++) { if (strcmp(argv[i], "-a") == 0) { show_all = 1; if (argc != 2) usage(); } else if (strcmp(argv[i], "-d") == 0) { - for (i=0; i<=CAP_LAST_CAP; i++) { - printf("%s\n", - capng_capability_to_name(i)); + int j; + for (j=0; j<=CAP_LAST_CAP; j++) { + const char *n = + capng_capability_to_name(j); + if (n == NULL) + n = "unknown"; + printf("%s\n", n); } return 0; } else if (argv[i][0] == '/') { if (lstat(argv[i], &sbuf) != 0) { - printf("Error checking path %s (%s)\n", + fprintf(stderr, + "Error checking path %s (%s)\n", argv[i], strerror(errno)); exit(1); } @@ -117,11 +150,12 @@ int main(int argc, char *argv[]) dir == NULL) { path = argv[i]; capng_clear(CAPNG_SELECT_BOTH); - } else if (S_ISDIR(sbuf.st_mode) && path == NULL + } else if (S_ISDIR(sbuf.st_mode) && path == NULL && dir == NULL) dir = argv[i]; else { - printf("Must be one regular file or " + fprintf(stderr, + "Must be one regular file or " "directory\n"); exit(1); } @@ -139,7 +173,8 @@ int main(int argc, char *argv[]) capabilities = 1; cremove = 1; } else { - printf("Unrecognized capability.\n"); + fprintf(stderr, + "Unrecognized capability.\n"); usage(); } } @@ -149,6 +184,8 @@ int main(int argc, char *argv[]) path_env = getenv("PATH"); if (path_env != NULL) { path = strdup(path_env); + if (!path) + return 1; for (dir=strtok(path,":"); dir!=NULL; dir=strtok(NULL,":")) { nftw(dir, check_file, 1024, nftw_flags); @@ -163,19 +200,26 @@ int main(int argc, char *argv[]) nftw(dir, check_file, 1024, nftw_flags); }else if (path && capabilities == 0) { // Print out specific file - check_file(path, &sbuf, 0, NULL); + single_file = 1; + rc = check_file(path, &sbuf, 0, NULL); } else if (path && capabilities == 1) { // Write capabilities to file - int fd = open(path, O_WRONLY|O_NOFOLLOW); + int fd = open(path, O_WRONLY|O_NOFOLLOW|O_CLOEXEC); if (fd < 0) { - printf("Could not open %s for writing (%s)\n", path, + fprintf(stderr, + "Could not open %s for writing (%s)\n", path, strerror(errno)); return 1; } - capng_apply_caps_fd(fd); + if (capng_apply_caps_fd(fd) < 0) { + fprintf(stderr, + "Could not set capabilities on %s: %s\n", + path, strerror(errno)); + rc = 1; + } close(fd); } #endif - return 0; + return rc; } diff --git a/utils/netcap.8 b/utils/netcap.8 index 4c60c11..23b1436 100644 --- a/utils/netcap.8 +++ b/utils/netcap.8 @@ -1,10 +1,10 @@ -.TH NETCAP: "8" "March 2009" "Red Hat" "System Administration Utilities" +.TH NETCAP: "8" "Sept 2020" "Red Hat" "System Administration Utilities" .SH NAME netcap \- a program to see capabilities .SH SYNOPSIS .B netcap .SH DESCRIPTION -\fBnetcap\fP is a program that prints out a report of process capabilities. If the application is using tcp, udp, raw, or packet family of sockets AND has any capabilities, it will be in the report. If the process has partial capabilities, it is further examined to see if it has an open-ended bounding set. If this is found to be true, a '+' symbol is added. +\fBnetcap\fP is a program that prints out a report of process capabilities. If the application is using tcp, udp, raw, or packet family of sockets AND has any capabilities, it will be in the report. If the process has partial capabilities, it is further examined to see if it has an open-ended bounding set. If this is found to be true, a '+' symbol is added. If the process has ambient capabilities, a '@' symbols is added. Some directories in the /proc file system are readonly by root. The program will try to access and report what it can. But if nothing comes out, try changing to the root user and re-run this program. diff --git a/utils/netcap.c b/utils/netcap.c index 67feffa..b8eef67 100644 --- a/utils/netcap.c +++ b/utils/netcap.c @@ -1,6 +1,6 @@ /* * netcap.c - A program that lists network apps with capabilities - * Copyright (c) 2009-10 Red Hat Inc., Durham, North Carolina. + * Copyright (c) 2009-10,2012,2020 Red Hat Inc. * All Rights Reserved. * * This software may be freely redistributed and/or modified under the @@ -15,7 +15,8 @@ * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to the - * Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -59,7 +60,8 @@ static int collect_process_info(void) int pid, ppid; capng_results_t caps; char buf[100]; - char *tmp, cmd[16], state, *text, *bounds; + char *tmp, cmd[16], state; + char *text = NULL, *bounds = NULL, *ambient = NULL; int fd, len, euid = -1; // Skip non-process dir entries @@ -72,7 +74,7 @@ static int collect_process_info(void) // Parse up the stat file for the proc snprintf(buf, 32, "/proc/%d/stat", pid); - fd = open(buf, O_RDONLY, 0); + fd = open(buf, O_RDONLY|O_CLOEXEC, 0); if (fd < 0) continue; len = read(fd, buf, sizeof buf - 1); @@ -94,22 +96,26 @@ static int collect_process_info(void) continue; // now get the capabilities - capng_clear(CAPNG_SELECT_BOTH); + capng_clear(CAPNG_SELECT_ALL); capng_setpid(pid); if (capng_get_caps_process()) continue; caps = capng_have_capabilities(CAPNG_SELECT_CAPS); if (caps <= CAPNG_NONE) continue; - if (caps == CAPNG_FULL) + if (caps == CAPNG_FULL) { text = strdup("full"); - else + if (!text) { + fprintf(stderr, "Out of memory\n"); + continue; + } + } else text = capng_print_caps_text(CAPNG_PRINT_BUFFER, CAPNG_PERMITTED); // Get the effective uid snprintf(buf, 32, "/proc/%d/status", pid); - sf = fopen(buf, "rt"); + sf = fopen(buf, "rte"); if (sf == NULL) euid = 0; else { @@ -130,15 +136,29 @@ static int collect_process_info(void) fclose(sf); } + caps = capng_have_capabilities(CAPNG_SELECT_AMBIENT); + if (caps > CAPNG_NONE) + ambient = strdup("@"); + else + ambient = strdup(""); + if (!ambient) { + fprintf(stderr, "Out of memory\n"); + free(text); + continue; + } + // Now record the bounding set information - if (caps == CAPNG_PARTIAL) { - caps = capng_have_capabilities(CAPNG_SELECT_BOUNDS); - if (caps == CAPNG_FULL) - bounds = strdup("+"); - else - bounds = strdup(""); - } else + caps = capng_have_capabilities(CAPNG_SELECT_BOUNDS); + if (caps > CAPNG_NONE) + bounds = strdup("+"); + else bounds = strdup(""); + if (!bounds) { + fprintf(stderr, "Out of memory\n"); + free(text); + free(ambient); + continue; + } // Now lets get the inodes each process has open snprintf(buf, 32, "/proc/%d/fd", pid); @@ -146,7 +166,8 @@ static int collect_process_info(void) if (f == NULL) { if (errno == EACCES) { if (perm_warn == 0) { - printf("You may need to be root to " + fprintf(stderr, + "You may need to be root to " "get a full report\n"); perm_warn = 1; } @@ -155,6 +176,7 @@ static int collect_process_info(void) strerror(errno)); free(text); free(bounds); + free(ambient); continue; } // For each file in the fd dir... @@ -162,15 +184,15 @@ static int collect_process_info(void) char line[256], ln[256], *s, *e; unsigned long inode; lnode node; - int len; + int llen; if (ent->d_name[0] == '.') continue; snprintf(ln, 256, "%s/%s", buf, ent->d_name); - if ((len = readlink(ln, line, sizeof(line)-1)) < 0) + if ((llen = readlink(ln, line, sizeof(line)-1)) < 0) continue; - line[len] = 0; - + line[llen] = 0; + // Only look at the socket entries if (memcmp(line, "socket:", 7) == 0) { // Type 1 sockets @@ -198,26 +220,36 @@ static int collect_process_info(void) node.inode = inode; node.capabilities = strdup(text); node.bounds = strdup(bounds); - // We make one entry for each socket inode - list_append(&l, &node); + node.ambient = strdup(ambient); + if (node.cmd && node.capabilities && node.bounds && + node.ambient) + // We make one entry for each socket inode + list_append(&l, &node); + else { + free(node.cmd); + free(node.capabilities); + free(node.bounds); + free(node.ambient); + } } closedir(f); free(text); free(bounds); + free(ambient); } closedir(d); return 0; } -static void report_finding(int port, const char *type, const char *ifc) +static void report_finding(unsigned int port, const char *type, const char *ifc) { struct passwd *p; lnode *n = list_get_cur(&l); - + // And print out anything with capabilities if (header == 0) { - printf("%-5s %-5s %-10s %-16s %-4s %-6s %s\n", - "ppid", "pid", "acct", "command", "type", "port", + printf("%-5s %-5s %-10s %-16s %-8s %-6s %s\n", + "ppid", "pid", "acct", "command", "type", "port", "capabilities"); header = 1; } @@ -237,12 +269,12 @@ static void report_finding(int port, const char *type, const char *ifc) printf("%-5d %-5d %-10s", n->ppid, n->pid, tacct); } else printf("%-5d %-5d %-10d", n->ppid, n->pid, last_uid); - printf(" %-16s %-4s", n->cmd, type); + printf(" %-16s %-8s", n->cmd, type); if (ifc) printf(" %-6s", ifc); else - printf(" %-6d", port); - printf(" %s %s\n", n->capabilities, n->bounds); + printf(" %-6u", port); + printf(" %s %s%s\n", n->capabilities, n->ambient, n->bounds); } static void read_tcp(const char *proc, const char *type) @@ -251,10 +283,11 @@ static void read_tcp(const char *proc, const char *type) FILE *f; char buf[256]; unsigned long rxq, txq, time_len, retr, inode; - int local_port, rem_port, d, state, timer_run, uid, timeout; + unsigned int local_port, rem_port, state, timer_run; + int d, uid, timeout; char rem_addr[128], local_addr[128], more[512]; - f = fopen(proc, "rt"); + f = fopen(proc, "rte"); if (f == NULL) { if (errno != ENOENT) fprintf(stderr, "Can't open %s: %s\n", @@ -269,7 +302,7 @@ static void read_tcp(const char *proc, const char *type) } more[0] = 0; sscanf(buf, "%d: %64[0-9A-Fa-f]:%X %64[0-9A-Fa-f]:%X %X " - "%lX:%lX %X:%lX %lX %d %d %lu %512s\n", + "%lX:%lX %X:%lX %lX %d %d %lu %511s\n", &d, local_addr, &local_port, rem_addr, &rem_port, &state, &txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more); @@ -285,10 +318,11 @@ static void read_udp(const char *proc, const char *type) FILE *f; char buf[256]; unsigned long rxq, txq, time_len, retr, inode; - int local_port, rem_port, d, state, timer_run, uid, timeout; + unsigned int local_port, rem_port, state, timer_run; + int d, uid, timeout; char rem_addr[128], local_addr[128], more[512]; - f = fopen(proc, "rt"); + f = fopen(proc, "rte"); if (f == NULL) { if (errno != ENOENT) fprintf(stderr, "Can't open %s: %s\n", @@ -303,7 +337,7 @@ static void read_udp(const char *proc, const char *type) } more[0] = 0; sscanf(buf, "%d: %64[0-9A-Fa-f]:%X %64[0-9A-Fa-f]:%X %X " - "%lX:%lX %X:%lX %lX %d %d %lu %512s\n", + "%lX:%lX %X:%lX %lX %d %d %lu %511s\n", &d, local_addr, &local_port, rem_addr, &rem_port, &state, &txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more); @@ -319,10 +353,11 @@ static void read_raw(const char *proc, const char *type) FILE *f; char buf[256]; unsigned long rxq, txq, time_len, retr, inode; - int local_port, rem_port, d, state, timer_run, uid, timeout; + unsigned int local_port, rem_port, state, timer_run; + int d, uid, timeout; char rem_addr[128], local_addr[128], more[512]; - f = fopen(proc, "rt"); + f = fopen(proc, "rte"); if (f == NULL) { if (errno != ENOENT) fprintf(stderr, "Can't open %s: %s\n", @@ -337,7 +372,7 @@ static void read_raw(const char *proc, const char *type) } more[0] = 0; sscanf(buf, "%d: %64[0-9A-Fa-f]:%X %64[0-9A-Fa-f]:%X %X " - "%lX:%lX %X:%lX %lX %d %d %lu %512s\n", + "%lX:%lX %X:%lX %lX %d %d %lu %511s\n", &d, local_addr, &local_port, rem_addr, &rem_port, &state, &txq, &rxq, &timer_run, &time_len, &retr, &uid, &timeout, &inode, more); @@ -360,7 +395,7 @@ static void get_interface(unsigned int iface, char *ifc) // Increment the interface number since header is 2 lines long iface++; - f = fopen("/proc/net/dev", "rt"); + f = fopen("/proc/net/dev", "rte"); if (f == NULL) { if (errno != ENOENT) fprintf(stderr, "Can't open /proc/net/dev: %s\n", @@ -371,7 +406,7 @@ static void get_interface(unsigned int iface, char *ifc) while (fgets(buf, sizeof(buf), f)) { if (line == iface) { char *c; - sscanf(buf, "%16s: %256s\n", ifc, more); + sscanf(buf, "%16s: %255s\n", ifc, more); c = strchr(ifc, ':'); if (c) *c = 0; @@ -392,7 +427,7 @@ static void read_packet(void) unsigned int ref_cnt, type, proto, iface, r, rmem, uid; char more[256], ifc[32]; - f = fopen("/proc/net/packet", "rt"); + f = fopen("/proc/net/packet", "rte"); if (f == NULL) { if (errno != ENOENT) fprintf(stderr, "Can't open /proc/net/packet: %s\n", @@ -406,7 +441,7 @@ static void read_packet(void) continue; } more[0] = 0; - sscanf(buf, "%lX %u %u %X %u %u %u %u %lu %256s\n", + sscanf(buf, "%lX %u %u %X %u %u %u %u %lu %255s\n", &sk, &ref_cnt, &type, &proto, &iface, &r, &rmem, &uid, &inode, more); get_interface(iface, ifc); @@ -433,6 +468,8 @@ int main(int argc, char __attribute__((unused)) *argv[]) // Next udp sockets... read_udp("/proc/net/udp", "udp"); read_udp("/proc/net/udp6", "udp6"); + read_udp("/proc/net/udplite", "udplite"); + read_udp("/proc/net/udplite6", "udplite6"); // Next, raw sockets... read_raw("/proc/net/raw", "raw"); @@ -441,6 +478,8 @@ int main(int argc, char __attribute__((unused)) *argv[]) // And last, read packet sockets read_packet(); + // Could also do icmp,netlink,unix + list_clear(&l); return 0; } diff --git a/utils/proc-llist.c b/utils/proc-llist.c index dfd774e..5a28b95 100644 --- a/utils/proc-llist.c +++ b/utils/proc-llist.c @@ -1,7 +1,7 @@ /* * proc-llist.c - Minimal linked list library -* Copyright (c) 2009 Red Hat Inc., Durham, North Carolina. -* All Rights Reserved. +* Copyright (c) 2009, 2020 Red Hat Inc. +* All Rights Reserved. * * This software may be freely redistributed and/or modified under the * terms of the GNU General Public License as published by the Free @@ -15,12 +15,14 @@ * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to the -* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +* Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> */ +#include "config.h" #include <stdlib.h> #include <string.h> #include "proc-llist.h" @@ -51,6 +53,7 @@ void list_append(llist *l, lnode *node) newnode->cmd = node->cmd; newnode->capabilities = node->capabilities; newnode->bounds = node->bounds; + newnode->ambient = node->ambient; newnode->next = NULL; // if we are at top, fix this up @@ -75,6 +78,7 @@ void list_clear(llist* l) free(cur->cmd); free(cur->capabilities); free(cur->bounds); + free(cur->ambient); free(cur); cur=nextnode; } @@ -86,8 +90,8 @@ void list_clear(llist* l) lnode *list_find_inode(llist *l, unsigned long i) { register lnode* cur; - - cur = l->head; /* start at the beginning */ + + cur = l->head; /* start at the beginning */ while (cur) { if (cur->inode == i) { l->cur = cur; diff --git a/utils/proc-llist.h b/utils/proc-llist.h index 4e21430..f42b56a 100644 --- a/utils/proc-llist.h +++ b/utils/proc-llist.h @@ -1,6 +1,6 @@ /* * proc-llist.h -* Copyright (c) 2009 Red Hat Inc., Durham, North Carolina. +* Copyright (c) 2009, 2020 Red Hat Inc. * All Rights Reserved. * * This software may be freely redistributed and/or modified under the @@ -15,7 +15,8 @@ * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to the -* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor +* Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -25,6 +26,7 @@ #define PROC_HEADER #include "config.h" +#include <sys/types.h> /* Ensure types in _lnode are defined on all systems */ /* This is the node of the linked list. Any data elements that are per @@ -37,6 +39,7 @@ typedef struct _lnode{ unsigned long inode; // inode of socket char *capabilities; // Text of partial capabilities char *bounds; // Text for bounding set + char *ambient; // Text for ambient set struct _lnode* next; // Next node pointer } lnode; diff --git a/utils/pscap.8 b/utils/pscap.8 index 661e2f6..a26f49b 100644 --- a/utils/pscap.8 +++ b/utils/pscap.8 @@ -1,10 +1,12 @@ -.TH PSCAP: "8" "March 2009" "Red Hat" "System Administration Utilities" +.TH PSCAP: "8" "Sept 2020" "Red Hat" "System Administration Utilities" .SH NAME pscap \- a program to see capabilities .SH SYNOPSIS -.B pscap [ \-a ] +.B pscap [ \-a | \-p pid ] .SH DESCRIPTION -\fBpscap\fP is a program that prints out a report of process capabilities. If the application has any capabilities, it will be in the report with the exception of init. By giving the \-a command line option, init will be included, too. If a process is not in the report, it has dropped all capabilities. If the process has partial capabilities, it is further examined to see if it has an open-ended bounding set. If this is found to be true, a '+' symbol is added. +\fBpscap\fP is a program that prints out a report of process capabilities. If the application has any capabilities, it will be in the report with the exception of init. By giving the \-a command line option, init will be included, too. By giving a pid with the \-p command line option, only the process specified with the pid is reported. If a process is not in the report, it has dropped all capabilities. If the process has partial capabilities, it is further examined to see if it has an open-ended bounding set. If this is found to be true, a '+' symbol is added. If the process has ambient capabilities, a '@' symbols is added. + +The command name in the output may be followed by an asterisk mark (*). This mark denotes processes which run in child user namespaces (relative to the user namespace of pscap itself). .SH "SEE ALSO" .BR netcap (8), diff --git a/utils/pscap.c b/utils/pscap.c index e51b10a..9b96973 100644 --- a/utils/pscap.c +++ b/utils/pscap.c @@ -1,6 +1,6 @@ /* * pscap.c - A program that lists running processes with capabilities - * Copyright (c) 2009 Red Hat Inc., Durham, North Carolina. + * Copyright (c) 2009,2012,2020 Red Hat Inc. * All Rights Reserved. * * This software may be freely redistributed and/or modified under the @@ -15,7 +15,8 @@ * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to the - * Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1335, USA. * * Authors: * Steve Grubb <sgrubb@redhat.com> @@ -24,28 +25,63 @@ #include "config.h" #include <stdio.h> #include <stdio_ext.h> +#include <unistd.h> #include <stdlib.h> #include <errno.h> #include <string.h> #include <dirent.h> #include <fcntl.h> #include <pwd.h> +#include <stdbool.h> +#include <sys/stat.h> #include "cap-ng.h" +#define CMD_LEN 16 +#define USERNS_MARK_LEN 2 static void usage(void) { - fprintf(stderr, "usage: pscap [-a]\n"); + fprintf(stderr, "usage: pscap [-a|-p pid]\n"); exit(1); } +/* + * Precise recursive checks for parent-child relation between namespaces + * using ioctl() were avoided, because there didn't seem to be any case when + * we may dereference the namespace symlink in /proc/PID/ns for processes in + * user namespaces other than the current or child ones. Thus, the check just + * tries to dereference the link and checks that it does not point to the + * current NS. + */ +static bool in_child_userns(int pid) +{ + char ns_file_path[32]; + struct stat statbuf; + ino_t own_ns_inode; + dev_t own_ns_dev; + + if (stat("/proc/self/ns/user", &statbuf) < 0) + return false; + + own_ns_inode = statbuf.st_ino; + own_ns_dev = statbuf.st_dev; + + snprintf(ns_file_path, 32, "/proc/%d/ns/user", pid); + if (stat(ns_file_path, &statbuf) < 0) + return false; + + return statbuf.st_ino != own_ns_inode || statbuf.st_dev != own_ns_dev; +} + int main(int argc, char *argv[]) { DIR *d; struct dirent *ent; int header = 0, show_all = 0, caps; + pid_t our_pid = getpid(); + pid_t target_pid = 0; - if (argc > 2) { + if (argc > 3) { fputs("Too many arguments\n", stderr); usage(); } @@ -55,23 +91,29 @@ int main(int argc, char *argv[]) else usage(); } - - /* Drop capabilities so we aren't listed */ - caps = capng_have_capabilities(CAPNG_SELECT_CAPS); - if (caps == CAPNG_FULL) { - capng_clear(CAPNG_SELECT_BOTH); - capng_apply(CAPNG_SELECT_BOTH); + else if (argc == 3) { + if (strcmp(argv[1], "-p") == 0) { + errno = 0; + target_pid = strtol(argv[2], NULL, 10); + if (errno) { + fprintf(stderr, "Can't read pid: %s\n", argv[2]); + return 1; + } + if (target_pid == 1) + show_all = 1; + } else + usage(); } d = opendir("/proc"); if (d == NULL) { - printf("Can't open /proc: %s\n", strerror(errno)); + fprintf(stderr, "Can't open /proc: %s\n", strerror(errno)); return 1; } while (( ent = readdir(d) )) { int pid, ppid, uid = -1, euid = -1; char buf[100]; - char *tmp, cmd[16], state, *name = NULL; + char *tmp, cmd[CMD_LEN + USERNS_MARK_LEN], state, *name = NULL; int fd, len; struct passwd *p; @@ -83,9 +125,16 @@ int main(int argc, char *argv[]) if (errno) continue; + if (target_pid && (pid != target_pid)) + continue; + + /* Skip our pid so we aren't listed */ + if (pid == our_pid) + continue; + // Parse up the stat file for the proc snprintf(buf, 32, "/proc/%d/stat", pid); - fd = open(buf, O_RDONLY, 0); + fd = open(buf, O_RDONLY|O_CLOEXEC, 0); if (fd < 0) continue; len = read(fd, buf, sizeof buf - 1); @@ -110,11 +159,11 @@ int main(int argc, char *argv[]) continue; // now get the capabilities - capng_clear(CAPNG_SELECT_BOTH); + capng_clear(CAPNG_SELECT_ALL); capng_setpid(pid); if (capng_get_caps_process()) continue; - + // And print out anything with capabilities caps = capng_have_capabilities(CAPNG_SELECT_CAPS); if (caps > CAPNG_NONE) { @@ -122,7 +171,7 @@ int main(int argc, char *argv[]) FILE *f; int line; snprintf(buf, 32, "/proc/%d/status", pid); - f = fopen(buf, "rt"); + f = fopen(buf, "rte"); if (f == NULL) euid = 0; else { @@ -142,12 +191,10 @@ int main(int argc, char *argv[]) } fclose(f); } - - len = read(fd, buf, sizeof buf - 1); - close(fd); + if (header == 0) { - printf("%-5s %-5s %-10s %-16s %s\n", - "ppid", "pid", "name", "command", + printf("%-5s %-5s %-10s %-18s %s\n", + "ppid", "pid", "uid", "command", "capabilities"); header = 1; } @@ -163,24 +210,40 @@ int main(int argc, char *argv[]) name = p->pw_name; // If not taking this branch, use last val } + + if (in_child_userns(pid)) + strcat(cmd, " *"); + if (name) { - printf("%-5d %-5d %-10s %-16s ", ppid, pid, + printf("%-5d %-5d %-10s %-18s ", ppid, pid, name, cmd); } else - printf("%-5d %-5d %-10d %-16s ", ppid, pid, + printf("%-5d %-5d %-10d %-18s ", ppid, pid, uid, cmd); if (caps == CAPNG_PARTIAL) { capng_print_caps_text(CAPNG_PRINT_STDOUT, CAPNG_PERMITTED); + if (capng_have_capabilities( + CAPNG_SELECT_AMBIENT) > CAPNG_NONE) + printf(" @"); if (capng_have_capabilities(CAPNG_SELECT_BOUNDS) - == CAPNG_FULL) + > CAPNG_NONE) printf(" +"); printf("\n"); - } else - printf("full\n"); + } else { + printf("full"); + if (capng_have_capabilities( + CAPNG_SELECT_AMBIENT) > CAPNG_NONE) + printf(" @"); + if (capng_have_capabilities(CAPNG_SELECT_BOUNDS) + > CAPNG_NONE) + printf(" +"); + printf("\n"); + } } } - closedir(d); + closedir(d); return 0; } + |