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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 /src/lookup_table.c | |
| 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
Diffstat (limited to 'src/lookup_table.c')
| -rw-r--r-- | src/lookup_table.c | 34 |
1 files changed, 24 insertions, 10 deletions
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; } |