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basic/mkdir: use timespec_store instead of _nsec for mkdir_p_root_full

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Follow-up for 34c3d57474

O_RDONLY is dropped when O_DIRECTORY is specified, since
it's unnecessary and even arguably confusing here, as
the dir is modified.
This commit is contained in:
Mike Yuan 2024-05-07 20:13:55 +08:00
parent 026335e9aa
commit 158681f0f9
No known key found for this signature in database
GPG Key ID: 417471C0A40F58B3
2 changed files with 24 additions and 25 deletions
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17
src/basic/mkdir.c
View File

@ -209,6 +209,8 @@ int mkdir_p_root_full(const char *root, const char *p, uid_t uid, gid_t gid, mod
_cleanup_close_ int dfd = -EBADF;
int r;
assert(p);
r = path_extract_directory(p, &pp);
if (r == -EDESTADDRREQ) {
/* only fname is passed, no prefix to operate on */
@ -226,7 +228,7 @@ int mkdir_p_root_full(const char *root, const char *p, uid_t uid, gid_t gid, mod
if (r < 0)
return r;
dfd = chase_and_open(pp, root, CHASE_PREFIX_ROOT, O_RDONLY|O_CLOEXEC|O_DIRECTORY, NULL);
dfd = chase_and_open(pp, root, CHASE_PREFIX_ROOT, O_CLOEXEC|O_DIRECTORY, NULL);
if (dfd < 0)
return dfd;
}
@ -241,25 +243,22 @@ int mkdir_p_root_full(const char *root, const char *p, uid_t uid, gid_t gid, mod
r = btrfs_subvol_make_fallback(dfd, bn, m);
else
r = RET_NERRNO(mkdirat(dfd, bn, m));
if (r < 0) {
if (r == -EEXIST)
return 0;
if (r == -EEXIST)
return 0;
if (r < 0)
return r;
}
if (ts == USEC_INFINITY && !uid_is_valid(uid) && !gid_is_valid(gid))
return 1;
_cleanup_close_ int nfd = -EBADF;
nfd = openat(dfd, bn, O_RDONLY|O_CLOEXEC|O_DIRECTORY|O_NOFOLLOW);
_cleanup_close_ int nfd = openat(dfd, bn, O_CLOEXEC|O_DIRECTORY|O_NOFOLLOW);
if (nfd < 0)
return -errno;
if (ts != USEC_INFINITY) {
struct timespec tspec;
timespec_store(&tspec, ts);
timespec_store_nsec(&tspec, ts);
if (futimens(dfd, (const struct timespec[2]) { { .tv_nsec = UTIME_OMIT }, tspec }) < 0)
return -errno;

32
src/test/test-mkdir.c
View File

@ -143,26 +143,26 @@ TEST(mkdir_p_root_full) {
_cleanup_free_ char *p = NULL;
struct stat st;
assert_se(mkdtemp_malloc("/tmp/test-mkdir-XXXXXX", &tmp) >= 0);
ASSERT_OK(mkdtemp_malloc("/tmp/test-mkdir-XXXXXX", &tmp));
assert_se(p = path_join(tmp, "foo"));
assert_se(mkdir_p_root_full(tmp, "/foo", UID_INVALID, GID_INVALID, 0755, 1234, NULL) >= 0);
assert_se(is_dir(p, false) > 0);
assert_se(is_dir(p, true) > 0);
assert_se(stat(p, &st) >= 0);
assert_se(st.st_mtim.tv_nsec == 1234);
assert_se(st.st_atim.tv_nsec == 1234);
ASSERT_NOT_NULL(p = path_join(tmp, "foo"));
ASSERT_OK(mkdir_p_root_full(tmp, "/foo", UID_INVALID, GID_INVALID, 0755, 2 * USEC_PER_SEC, NULL));
ASSERT_GT(is_dir(p, false), 0);
ASSERT_GT(is_dir(p, true), 0);
ASSERT_OK_ERRNO(stat(p, &st));
ASSERT_EQ(st.st_mtim.tv_sec, 2);
ASSERT_EQ(st.st_atim.tv_sec, 2);
p = mfree(p);
assert_se(p = path_join(tmp, "dir-not-exists/foo"));
assert_se(mkdir_p_root_full(tmp, "/dir-not-exists/foo", UID_INVALID, GID_INVALID, 0755, 5678, NULL) >= 0);
assert_se(is_dir(p, false) > 0);
assert_se(is_dir(p, true) > 0);
ASSERT_NOT_NULL(p = path_join(tmp, "dir-not-exists/foo"));
ASSERT_OK(mkdir_p_root_full(NULL, p, UID_INVALID, GID_INVALID, 0755, 90 * USEC_PER_HOUR, NULL));
ASSERT_GT(is_dir(p, false), 0);
ASSERT_GT(is_dir(p, true), 0);
p = mfree(p);
assert_se(p = path_join(tmp, "dir-not-exists"));
assert_se(stat(p, &st) >= 0);
assert_se(st.st_mtim.tv_nsec == 5678);
assert_se(st.st_atim.tv_nsec == 5678);
ASSERT_NOT_NULL(p = path_join(tmp, "dir-not-exists"));
ASSERT_OK_ERRNO(stat(p, &st));
ASSERT_EQ(st.st_mtim.tv_sec, 90 * 60 * 60);
ASSERT_EQ(st.st_atim.tv_sec, 90 * 60 * 60);
}
DEFINE_TEST_MAIN(LOG_DEBUG);