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smack make mac_smack_fix_at() useful when called with dir_fd=AT_FDCWD

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This commit is contained in:
Lennart Poettering 2021-11-12 15:12:23 +01:00
parent 1e146d7382
commit d1cd465e21
1 changed files with 9 additions and 2 deletions
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11
src/shared/smack-util.c
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@ -176,7 +176,7 @@ static int smack_fix_fd(int fd, const char *abspath, LabelFixFlags flags) {
return 0; return 0;
} }
int mac_smack_fix_at(int dirfd, const char *path, LabelFixFlags flags) { int mac_smack_fix_at(int dir_fd, const char *path, LabelFixFlags flags) {
_cleanup_free_ char *p = NULL; _cleanup_free_ char *p = NULL;
_cleanup_close_ int fd = -1; _cleanup_close_ int fd = -1;
int r; int r;
@ -186,7 +186,14 @@ int mac_smack_fix_at(int dirfd, const char *path, LabelFixFlags flags) {
if (!mac_smack_use()) if (!mac_smack_use())
return 0; return 0;
fd = openat(dirfd, path, O_NOFOLLOW|O_CLOEXEC|O_PATH); if (dir_fd < 0) {
if (dir_fd != AT_FDCWD)
return -EBADF;
return mac_smack_fix(path, flags);
}
fd = openat(dir_fd, path, O_NOFOLLOW|O_CLOEXEC|O_PATH);
if (fd < 0) { if (fd < 0) {
if ((flags & LABEL_IGNORE_ENOENT) && errno == ENOENT) if ((flags & LABEL_IGNORE_ENOENT) && errno == ENOENT)
return 0; return 0;