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authorAllan McRae <allan@archlinux.org>2013-07-21 16:10:25 +1000
committerAllan McRae <allan@archlinux.org>2013-07-30 13:01:11 +1000
commite81faa9d6d2ac910720a9a87a9f469b80cf106e5 (patch)
tree0161d0bc008b4c8a9f2a5c3deae6ec451b8ae578 /lib/libalpm
parent640324f1d4a63709822f61a9647e06d95e6c0c21 (diff)
Warn when directory ownership differs between filesystem and package
We currently only warn if a directory's permissions differ, but using -Qkk on my system shows that directory permissions tend to change in packages reasonably frequently without notice. Provide a warning in such cases so that it can be altered. Example output: (1/1) reinstalling nginx warning: directory ownership differs on /var/lib/nginx/proxy/ filesystem: 33:0 package: 0:0 Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'lib/libalpm')
-rw-r--r--lib/libalpm/add.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index 8ef9ef0e..45c57b05 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -215,18 +215,32 @@ static int extract_single_file(alpm_handle_t *handle, struct archive *archive,
} else {
if(S_ISDIR(lsbuf.st_mode)) {
if(S_ISDIR(entrymode)) {
+ uid_t entryuid = archive_entry_uid(entry);
+ gid_t entrygid = archive_entry_gid(entry);
+
/* case 6: existing dir, ignore it */
if(lsbuf.st_mode != entrymode) {
/* if filesystem perms are different than pkg perms, warn user */
mode_t mask = 07777;
_alpm_log(handle, ALPM_LOG_WARNING, _("directory permissions differ on %s\n"
- "filesystem: %o package: %o\n"), filename, lsbuf.st_mode & mask,
+ "filesystem: %o package: %o\n"), filename, lsbuf.st_mode & mask,
entrymode & mask);
alpm_logaction(handle, ALPM_CALLER_PREFIX,
"warning: directory permissions differ on %s\n"
"filesystem: %o package: %o\n", filename, lsbuf.st_mode & mask,
entrymode & mask);
}
+
+ if((entryuid != lsbuf.st_uid) || (entrygid != lsbuf.st_gid)) {
+ _alpm_log(handle, ALPM_LOG_WARNING, _("directory ownership differs on %s\n"
+ "filesystem: %u:%u package: %u:%u\n"), filename,
+ lsbuf.st_uid, lsbuf.st_gid, entryuid, entrygid);
+ alpm_logaction(handle, ALPM_CALLER_PREFIX,
+ "warning: directory ownership differs on %s\n"
+ "filesystem: %u:%u package: %u:%u\n", filename,
+ lsbuf.st_uid, lsbuf.st_gid, entryuid, entrygid);
+ }
+
_alpm_log(handle, ALPM_LOG_DEBUG, "extract: skipping dir extraction of %s\n",
filename);
archive_read_data_skip(archive);