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Diffstat (limited to 'Utilities/cmlibarchive/libarchive/archive_write_disk_acl.c')
-rw-r--r--Utilities/cmlibarchive/libarchive/archive_write_disk_acl.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/Utilities/cmlibarchive/libarchive/archive_write_disk_acl.c b/Utilities/cmlibarchive/libarchive/archive_write_disk_acl.c
new file mode 100644
index 000000000..97972033c
--- /dev/null
+++ b/Utilities/cmlibarchive/libarchive/archive_write_disk_acl.c
@@ -0,0 +1,249 @@
+/*-
+ * Copyright (c) 2003-2010 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer
+ * in this position and unchanged.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "archive_platform.h"
+__FBSDID("$FreeBSD: head/lib/libarchive/archive_write_disk.c 201159 2009-12-29 05:35:40Z kientzle $");
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_ACL_H
+#define _ACL_PRIVATE /* For debugging */
+#include <sys/acl.h>
+#endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+
+#include "archive.h"
+#include "archive_entry.h"
+#include "archive_acl_private.h"
+#include "archive_write_disk_private.h"
+
+#if !defined(HAVE_POSIX_ACL) || !defined(ACL_TYPE_NFS4)
+/* Default empty function body to satisfy mainline code. */
+int
+archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
+ struct archive_acl *abstract_acl)
+{
+ (void)a; /* UNUSED */
+ (void)fd; /* UNUSED */
+ (void)name; /* UNUSED */
+ (void)abstract_acl; /* UNUSED */
+ return (ARCHIVE_OK);
+}
+
+#else
+
+static int set_acl(struct archive *, int fd, const char *,
+ struct archive_acl *,
+ acl_type_t, int archive_entry_acl_type, const char *tn);
+
+/*
+ * XXX TODO: What about ACL types other than ACCESS and DEFAULT?
+ */
+int
+archive_write_disk_set_acls(struct archive *a, int fd, const char *name,
+ struct archive_acl *abstract_acl)
+{
+ int ret;
+
+ if (archive_acl_count(abstract_acl, ARCHIVE_ENTRY_ACL_TYPE_POSIX1E) > 0) {
+ ret = set_acl(a, fd, name, abstract_acl, ACL_TYPE_ACCESS,
+ ARCHIVE_ENTRY_ACL_TYPE_ACCESS, "access");
+ if (ret != ARCHIVE_OK)
+ return (ret);
+ ret = set_acl(a, fd, name, abstract_acl, ACL_TYPE_DEFAULT,
+ ARCHIVE_ENTRY_ACL_TYPE_DEFAULT, "default");
+ return (ret);
+ } else if (archive_acl_count(abstract_acl, ARCHIVE_ENTRY_ACL_TYPE_NFS4) > 0) {
+ ret = set_acl(a, fd, name, abstract_acl, ACL_TYPE_NFS4,
+ ARCHIVE_ENTRY_ACL_TYPE_NFS4, "nfs4");
+ return (ret);
+ } else
+ return ARCHIVE_OK;
+}
+
+static struct {
+ int archive_perm;
+ int platform_perm;
+} acl_perm_map[] = {
+ {ARCHIVE_ENTRY_ACL_EXECUTE, ACL_EXECUTE},
+ {ARCHIVE_ENTRY_ACL_WRITE, ACL_WRITE},
+ {ARCHIVE_ENTRY_ACL_READ, ACL_READ},
+ {ARCHIVE_ENTRY_ACL_READ_DATA, ACL_READ_DATA},
+ {ARCHIVE_ENTRY_ACL_LIST_DIRECTORY, ACL_LIST_DIRECTORY},
+ {ARCHIVE_ENTRY_ACL_WRITE_DATA, ACL_WRITE_DATA},
+ {ARCHIVE_ENTRY_ACL_ADD_FILE, ACL_ADD_FILE},
+ {ARCHIVE_ENTRY_ACL_APPEND_DATA, ACL_APPEND_DATA},
+ {ARCHIVE_ENTRY_ACL_ADD_SUBDIRECTORY, ACL_ADD_SUBDIRECTORY},
+ {ARCHIVE_ENTRY_ACL_READ_NAMED_ATTRS, ACL_READ_NAMED_ATTRS},
+ {ARCHIVE_ENTRY_ACL_WRITE_NAMED_ATTRS, ACL_WRITE_NAMED_ATTRS},
+ {ARCHIVE_ENTRY_ACL_DELETE_CHILD, ACL_DELETE_CHILD},
+ {ARCHIVE_ENTRY_ACL_READ_ATTRIBUTES, ACL_READ_ATTRIBUTES},
+ {ARCHIVE_ENTRY_ACL_WRITE_ATTRIBUTES, ACL_WRITE_ATTRIBUTES},
+ {ARCHIVE_ENTRY_ACL_DELETE, ACL_DELETE},
+ {ARCHIVE_ENTRY_ACL_READ_ACL, ACL_READ_ACL},
+ {ARCHIVE_ENTRY_ACL_WRITE_ACL, ACL_WRITE_ACL},
+ {ARCHIVE_ENTRY_ACL_WRITE_OWNER, ACL_WRITE_OWNER},
+ {ARCHIVE_ENTRY_ACL_SYNCHRONIZE, ACL_SYNCHRONIZE}
+};
+
+static struct {
+ int archive_inherit;
+ int platform_inherit;
+} acl_inherit_map[] = {
+ {ARCHIVE_ENTRY_ACL_ENTRY_FILE_INHERIT, ACL_ENTRY_FILE_INHERIT},
+ {ARCHIVE_ENTRY_ACL_ENTRY_DIRECTORY_INHERIT, ACL_ENTRY_DIRECTORY_INHERIT},
+ {ARCHIVE_ENTRY_ACL_ENTRY_NO_PROPAGATE_INHERIT, ACL_ENTRY_NO_PROPAGATE_INHERIT},
+ {ARCHIVE_ENTRY_ACL_ENTRY_INHERIT_ONLY, ACL_ENTRY_INHERIT_ONLY}
+};
+
+static int
+set_acl(struct archive *a, int fd, const char *name,
+ struct archive_acl *abstract_acl,
+ acl_type_t acl_type, int ae_requested_type, const char *tname)
+{
+ acl_t acl;
+ acl_entry_t acl_entry;
+ acl_permset_t acl_permset;
+ acl_flagset_t acl_flagset;
+ int ret;
+ int ae_type, ae_permset, ae_tag, ae_id;
+ uid_t ae_uid;
+ gid_t ae_gid;
+ const char *ae_name;
+ int entries;
+ int i;
+
+ ret = ARCHIVE_OK;
+ entries = archive_acl_reset(abstract_acl, ae_requested_type);
+ if (entries == 0)
+ return (ARCHIVE_OK);
+ acl = acl_init(entries);
+ while (archive_acl_next(a, abstract_acl, ae_requested_type, &ae_type,
+ &ae_permset, &ae_tag, &ae_id, &ae_name) == ARCHIVE_OK) {
+ acl_create_entry(&acl, &acl_entry);
+
+ switch (ae_tag) {
+ case ARCHIVE_ENTRY_ACL_USER:
+ acl_set_tag_type(acl_entry, ACL_USER);
+ ae_uid = archive_write_disk_uid(a, ae_name, ae_id);
+ acl_set_qualifier(acl_entry, &ae_uid);
+ break;
+ case ARCHIVE_ENTRY_ACL_GROUP:
+ acl_set_tag_type(acl_entry, ACL_GROUP);
+ ae_gid = archive_write_disk_gid(a, ae_name, ae_id);
+ acl_set_qualifier(acl_entry, &ae_gid);
+ break;
+ case ARCHIVE_ENTRY_ACL_USER_OBJ:
+ acl_set_tag_type(acl_entry, ACL_USER_OBJ);
+ break;
+ case ARCHIVE_ENTRY_ACL_GROUP_OBJ:
+ acl_set_tag_type(acl_entry, ACL_GROUP_OBJ);
+ break;
+ case ARCHIVE_ENTRY_ACL_MASK:
+ acl_set_tag_type(acl_entry, ACL_MASK);
+ break;
+ case ARCHIVE_ENTRY_ACL_OTHER:
+ acl_set_tag_type(acl_entry, ACL_OTHER);
+ break;
+ case ARCHIVE_ENTRY_ACL_EVERYONE:
+ acl_set_tag_type(acl_entry, ACL_EVERYONE);
+ break;
+ default:
+ /* XXX */
+ break;
+ }
+
+ switch (ae_type) {
+ case ARCHIVE_ENTRY_ACL_TYPE_ALLOW:
+ acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALLOW);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_DENY:
+ acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_DENY);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_AUDIT:
+ acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_AUDIT);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_ALARM:
+ acl_set_entry_type_np(acl_entry, ACL_ENTRY_TYPE_ALARM);
+ break;
+ case ARCHIVE_ENTRY_ACL_TYPE_ACCESS:
+ case ARCHIVE_ENTRY_ACL_TYPE_DEFAULT:
+ // These don't translate directly into the system ACL.
+ break;
+ default:
+ // XXX error handling here.
+ break;
+ }
+
+ acl_get_permset(acl_entry, &acl_permset);
+ acl_clear_perms(acl_permset);
+
+ for (i = 0; i < (int)(sizeof(acl_perm_map) / sizeof(acl_perm_map[0])); ++i) {
+ if (ae_permset & acl_perm_map[i].archive_perm)
+ acl_add_perm(acl_permset,
+ acl_perm_map[i].platform_perm);
+ }
+
+ acl_get_flagset_np(acl_entry, &acl_flagset);
+ acl_clear_flags_np(acl_flagset);
+ for (i = 0; i < (int)(sizeof(acl_inherit_map) / sizeof(acl_inherit_map[0])); ++i) {
+ if (ae_permset & acl_inherit_map[i].archive_inherit)
+ acl_add_flag_np(acl_flagset,
+ acl_inherit_map[i].platform_inherit);
+ }
+ }
+
+ /* Try restoring the ACL through 'fd' if we can. */
+#if HAVE_ACL_SET_FD
+ if (fd >= 0 && acl_type == ACL_TYPE_ACCESS && acl_set_fd(fd, acl) == 0)
+ ret = ARCHIVE_OK;
+ else
+#else
+#if HAVE_ACL_SET_FD_NP
+ if (fd >= 0 && acl_set_fd_np(fd, acl, acl_type) == 0)
+ ret = ARCHIVE_OK;
+ else
+#endif
+#endif
+#if HAVE_ACL_SET_LINK_NP
+ if (acl_set_link_np(name, acl_type, acl) != 0) {
+ archive_set_error(a, errno, "Failed to set %s acl", tname);
+ ret = ARCHIVE_WARN;
+ }
+#else
+ /* TODO: Skip this if 'name' is a symlink. */
+ if (acl_set_file(name, acl_type, acl) != 0) {
+ archive_set_error(a, errno, "Failed to set %s acl", tname);
+ ret = ARCHIVE_WARN;
+ }
+#endif
+ acl_free(acl);
+ return (ret);
+}
+#endif