return 0;
}
+static int open_image_file(
+ UserRecord *h,
+ const char *force_image_path,
+ struct stat *ret_stat) {
+
+ _cleanup_close_ int image_fd = -1;
+ struct stat st;
+ const char *ip;
+ int r;
+
+ ip = force_image_path ?: user_record_image_path(h);
+
+ image_fd = open(ip, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
+ if (image_fd < 0)
+ return log_error_errno(errno, "Failed to open image file %s: %m", ip);
+
+ if (fstat(image_fd, &st) < 0)
+ return log_error_errno(errno, "Failed to fstat() image file: %m");
+ if (!S_ISREG(st.st_mode) && !S_ISBLK(st.st_mode))
+ return log_error_errno(
+ S_ISDIR(st.st_mode) ? SYNTHETIC_ERRNO(EISDIR) : SYNTHETIC_ERRNO(EBADFD),
+ "Image file %s is not a regular file or block device: %m", ip);
+
+ r = lock_image_fd(image_fd, ip);
+ if (r < 0)
+ return r;
+
+ if (ret_stat)
+ *ret_stat = st;
+
+ return TAKE_FD(image_fd);
+}
+
int home_setup_luks(
UserRecord *h,
HomeSetupFlags flags,
_cleanup_(loop_device_unrefp) LoopDevice *loop = NULL;
_cleanup_(sym_crypt_freep) struct crypt_device *cd = NULL;
_cleanup_(erase_and_freep) void *volume_key = NULL;
- _cleanup_close_ int root_fd = -1, image_fd = -1;
+ _cleanup_close_ int opened_image_fd = -1, root_fd = -1;
bool dm_activated = false, mounted = false;
size_t volume_key_size = 0;
bool marked_dirty = false;
uint64_t offset, size;
- int r;
+ int r, image_fd = -1;
assert(h);
assert(setup);
if (!subdir)
return log_oom();
- image_fd = open(ip, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- if (image_fd < 0)
- return log_error_errno(errno, "Failed to open image file %s: %m", ip);
-
- if (fstat(image_fd, &st) < 0)
- return log_error_errno(errno, "Failed to fstat() image file: %m");
- if (!S_ISREG(st.st_mode) && !S_ISBLK(st.st_mode))
- return log_error_errno(
- S_ISDIR(st.st_mode) ? SYNTHETIC_ERRNO(EISDIR) : SYNTHETIC_ERRNO(EBADFD),
- "Image file %s is not a regular file or block device: %m", ip);
+ /* Reuse the image fd if it has already been opened by an earlier step */
+ if (setup->image_fd < 0) {
+ opened_image_fd = open_image_file(h, force_image_path, &st);
+ if (opened_image_fd < 0)
+ return opened_image_fd;
- r = lock_image_fd(image_fd, ip);
- if (r < 0)
- return r;
+ image_fd = opened_image_fd;
+ } else
+ image_fd = setup->image_fd;
r = luks_validate(image_fd, user_record_user_name_and_realm(h), h->partition_uuid, &found_partition_uuid, &offset, &size);
if (r < 0)
if (user_record_luks_discard(h))
(void) run_fitrim(root_fd);
- setup->image_fd = TAKE_FD(image_fd);
+ /* And now, fill in everything */
+ if (opened_image_fd >= 0) {
+ safe_close(setup->image_fd);
+ setup->image_fd = TAKE_FD(opened_image_fd);
+ }
+
setup->do_offline_fallocate = !(setup->do_offline_fitrim = user_record_luks_offline_discard(h));
setup->do_mark_clean = marked_dirty;
}
int home_activate_luks(
UserRecord *h,
+ HomeSetup *setup,
PasswordCache *cache,
UserRecord **ret_home) {
_cleanup_(user_record_unrefp) UserRecord *new_home = NULL, *luks_home_record = NULL;
- _cleanup_(home_setup_done) HomeSetup setup = HOME_SETUP_INIT;
uint64_t host_size, encrypted_size;
const char *hdo, *hd;
struct statfs sfs;
assert(h);
assert(user_record_storage(h) == USER_LUKS);
+ assert(setup);
assert(ret_home);
r = dlopen_cryptsetup();
assert_se(hdo = user_record_home_directory(h));
hd = strdupa_safe(hdo); /* copy the string out, since it might change later in the home record object */
- r = home_get_state_luks(h, &setup);
+ r = home_get_state_luks(h, setup);
if (r < 0)
return r;
if (r > 0)
- return log_error_errno(SYNTHETIC_ERRNO(EEXIST), "Device mapper device %s already exists, refusing.", setup.dm_node);
+ return log_error_errno(SYNTHETIC_ERRNO(EEXIST), "Device mapper device %s already exists, refusing.", setup->dm_node);
r = home_setup_luks(
h,
0,
NULL,
cache,
- &setup,
+ setup,
&luks_home_record);
if (r < 0)
return r;
- r = block_get_size_by_fd(setup.loop->fd, &host_size);
+ r = block_get_size_by_fd(setup->loop->fd, &host_size);
if (r < 0)
return log_error_errno(r, "Failed to get loopback block device size: %m");
- r = block_get_size_by_path(setup.dm_node, &encrypted_size);
+ r = block_get_size_by_path(setup->dm_node, &encrypted_size);
if (r < 0)
return log_error_errno(r, "Failed to get LUKS block device size: %m");
r = home_refresh(
h,
- &setup,
+ setup,
luks_home_record,
cache,
&sfs,
if (r < 0)
return r;
- r = home_extend_embedded_identity(new_home, h, &setup);
+ r = home_extend_embedded_identity(new_home, h, setup);
if (r < 0)
return r;
- setup.root_fd = safe_close(setup.root_fd);
+ setup->root_fd = safe_close(setup->root_fd);
r = home_move_mount(user_record_user_name_and_realm(h), hd);
if (r < 0)
return r;
- setup.undo_mount = false;
- setup.do_offline_fitrim = false;
+ setup->undo_mount = false;
+ setup->do_offline_fitrim = false;
- loop_device_relinquish(setup.loop);
+ loop_device_relinquish(setup->loop);
- r = sym_crypt_deactivate_by_name(NULL, setup.dm_name, CRYPT_DEACTIVATE_DEFERRED);
+ r = sym_crypt_deactivate_by_name(NULL, setup->dm_name, CRYPT_DEACTIVATE_DEFERRED);
if (r < 0)
log_warning_errno(r, "Failed to relinquish DM device, ignoring: %m");
- setup.undo_dm = false;
- setup.do_offline_fallocate = false;
- setup.do_mark_clean = false;
+ setup->undo_dm = false;
+ setup->do_offline_fallocate = false;
+ setup->do_mark_clean = false;
log_info("Everything completed.");
uint64_t old_image_size, new_image_size, old_fs_size, new_fs_size, crypto_offset, new_partition_size;
_cleanup_(user_record_unrefp) UserRecord *header_home = NULL, *embedded_home = NULL, *new_home = NULL;
_cleanup_(fdisk_unref_tablep) struct fdisk_table *table = NULL;
+ _cleanup_close_ int opened_image_fd = -1;
_cleanup_free_ char *whole_disk = NULL;
- _cleanup_close_ int image_fd = -1;
+ int r, resize_type, image_fd = -1;
sd_id128_t disk_uuid;
const char *ip, *ipo;
struct statfs sfs;
struct stat st;
- int r, resize_type;
assert(h);
assert(user_record_storage(h) == USER_LUKS);
assert_se(ipo = user_record_image_path(h));
ip = strdupa_safe(ipo); /* copy out since original might change later in home record object */
- image_fd = open(ip, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- if (image_fd < 0)
- return log_error_errno(errno, "Failed to open image file %s: %m", ip);
+ if (setup->image_fd < 0) {
+ setup->image_fd = open_image_file(h, NULL, &st);
+ if (setup->image_fd < 0)
+ return setup->image_fd;
+ } else {
+ if (fstat(setup->image_fd, &st) < 0)
+ return log_error_errno(errno, "Failed to stat image file %s: %m", ip);
+ }
+
+ image_fd = setup->image_fd;
- if (fstat(image_fd, &st) < 0)
- return log_error_errno(errno, "Failed to stat image file %s: %m", ip);
if (S_ISBLK(st.st_mode)) {
dev_t parent;
if (r < 0)
return log_error_errno(r, "Failed to derive whole disk path for %s: %m", ip);
- safe_close(image_fd);
-
- image_fd = open(whole_disk, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
- if (image_fd < 0)
+ opened_image_fd = open(whole_disk, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
+ if (opened_image_fd < 0)
return log_error_errno(errno, "Failed to open whole block device %s: %m", whole_disk);
+ image_fd = opened_image_fd;
+
if (fstat(image_fd, &st) < 0)
return log_error_errno(errno, "Failed to stat whole block device %s: %m", whole_disk);
if (!S_ISBLK(st.st_mode))
projects / thirdparty / systemd.git / blobdiff