Merge pull request #28020 from DaanDeMeyer/followups

Followups
This commit is contained in:
Lennart Poettering 2023-06-13 22:14:33 +02:00 committed by GitHub
commit c27e8cd272
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 12 additions and 20 deletions

View file

@ -900,9 +900,9 @@ int path_is_root_at(int dir_fd, const char *path) {
assert(dir_fd >= 0 || dir_fd == AT_FDCWD);
if (!isempty(path)) {
fd = openat(dir_fd, path, O_PATH|O_CLOEXEC);
fd = openat(dir_fd, path, O_PATH|O_DIRECTORY|O_CLOEXEC);
if (fd < 0)
return -errno;
return errno == ENOTDIR ? false : -errno;
dir_fd = fd;
}

View file

@ -3157,35 +3157,28 @@ static int context_wipe_and_discard(Context *context) {
typedef struct DecryptedPartitionTarget {
int fd;
char *dm_name;
char *volume;
struct crypt_device *device;
} DecryptedPartitionTarget;
static DecryptedPartitionTarget* decrypted_partition_target_free(DecryptedPartitionTarget *t) {
#ifdef HAVE_LIBCRYPTSETUP
_cleanup_free_ char *name = NULL;
int r;
if (!t)
return NULL;
r = path_extract_filename(t->volume, &name);
if (r < 0) {
assert(r == -ENOMEM);
log_oom();
}
safe_close(t->fd);
if (name) {
/* udev or so might access out block device in the background while we are done. Let's hence
* force detach the volume. We sync'ed before, hence this should be safe. */
r = sym_crypt_deactivate_by_name(t->device, name, CRYPT_DEACTIVATE_FORCE);
if (r < 0)
log_error_errno(r, "Failed to deactivate LUKS device: %m");
}
/* udev or so might access out block device in the background while we are done. Let's hence
* force detach the volume. We sync'ed before, hence this should be safe. */
r = sym_crypt_deactivate_by_name(t->device, t->dm_name, CRYPT_DEACTIVATE_FORCE);
if (r < 0)
log_warning_errno(r, "Failed to deactivate LUKS device, ignoring: %m");
sym_crypt_free(t->device);
free(t->dm_name);
free(t->volume);
free(t);
#endif
@ -3662,6 +3655,7 @@ static int partition_encrypt(Context *context, Partition *p, PartitionTarget *ta
*t = (DecryptedPartitionTarget) {
.fd = TAKE_FD(dev_fd),
.dm_name = TAKE_PTR(dm_name),
.volume = TAKE_PTR(vol),
.device = TAKE_PTR(cd),
};

View file

@ -78,7 +78,7 @@ int btrfs_is_subvol_at(int dir_fd, const char *path) {
/* On btrfs subvolumes always have the inode 256 */
if (fstatat(dir_fd, strempty(path), &st, (isempty(path) ? AT_EMPTY_PATH : 0)) < 0)
if (fstatat(dir_fd, strempty(path), &st, isempty(path) ? AT_EMPTY_PATH : 0) < 0)
return -errno;
if (!btrfs_might_be_subvol(&st))

View file

@ -430,9 +430,7 @@ int rm_rf_at(int dir_fd, const char *path, RemoveFlags flags) {
int fd, r, q = 0;
assert(dir_fd >= 0 || dir_fd == AT_FDCWD);
if (FLAGS_SET(flags, REMOVE_ROOT))
assert(path && !dot_or_dot_dot(path)); /* unlinkat() does not support AT_EMPTY_PATH or "." so a path must be provided here. */
assert(path);
/* For now, don't support dropping subvols when also only dropping directories, since we can't do
* this race-freely. */