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-rw-r--r--src/shared/discover-image.c499
1 files changed, 393 insertions, 106 deletions
diff --git a/src/shared/discover-image.c b/src/shared/discover-image.c
index e8f4dfb..1079d28 100644
--- a/src/shared/discover-image.c
+++ b/src/shared/discover-image.c
@@ -13,6 +13,7 @@
#include <unistd.h>
#include "alloc-util.h"
+#include "blockdev-util.h"
#include "btrfs-util.h"
#include "chase.h"
#include "chattr-util.h"
@@ -44,9 +45,10 @@
#include "strv.h"
#include "time-util.h"
#include "utf8.h"
+#include "vpick.h"
#include "xattr-util.h"
-static const char* const image_search_path[_IMAGE_CLASS_MAX] = {
+const char* const image_search_path[_IMAGE_CLASS_MAX] = {
[IMAGE_MACHINE] = "/etc/machines\0" /* only place symlinks here */
"/run/machines\0" /* and here too */
"/var/lib/machines\0" /* the main place for images */
@@ -74,15 +76,20 @@ static const char* const image_search_path[_IMAGE_CLASS_MAX] = {
"/usr/lib/confexts\0",
};
-/* Inside the initrd, use a slightly different set of search path (i.e. include .extra/sysext in extension
- * search dir) */
+/* Inside the initrd, use a slightly different set of search path (i.e. include .extra/sysext/ and
+ * .extra/confext/ in extension search dir) */
static const char* const image_search_path_initrd[_IMAGE_CLASS_MAX] = {
/* (entries that aren't listed here will get the same search path as for the non initrd-case) */
[IMAGE_SYSEXT] = "/etc/extensions\0" /* only place symlinks here */
"/run/extensions\0" /* and here too */
"/var/lib/extensions\0" /* the main place for images */
- "/.extra/sysext\0" /* put sysext picked up by systemd-stub last, since not trusted */
+ "/.extra/sysext\0", /* put sysext picked up by systemd-stub last, since not trusted */
+
+ [IMAGE_CONFEXT] = "/run/confexts\0" /* only place symlinks here */
+ "/var/lib/confexts\0" /* the main place for images */
+ "/usr/local/lib/confexts\0"
+ "/.extra/confext\0", /* put confext picked up by systemd-stub last, since not trusted */
};
static const char* image_class_suffix_table[_IMAGE_CLASS_MAX] = {
@@ -92,6 +99,15 @@ static const char* image_class_suffix_table[_IMAGE_CLASS_MAX] = {
DEFINE_PRIVATE_STRING_TABLE_LOOKUP_TO_STRING(image_class_suffix, ImageClass);
+static const char *const image_root_table[_IMAGE_CLASS_MAX] = {
+ [IMAGE_MACHINE] = "/var/lib/machines",
+ [IMAGE_PORTABLE] = "/var/lib/portables",
+ [IMAGE_SYSEXT] = "/var/lib/extensions",
+ [IMAGE_CONFEXT] = "/var/lib/confexts",
+};
+
+DEFINE_STRING_TABLE_LOOKUP_TO_STRING(image_root, ImageClass);
+
static Image *image_free(Image *i) {
assert(i);
@@ -209,43 +225,101 @@ static int image_new(
return 0;
}
-static int extract_pretty(
+static int extract_image_basename(
const char *path,
- const char *class_suffix,
- const char *format_suffix,
- char **ret) {
+ const char *class_suffix, /* e.g. ".sysext" (this is an optional suffix) */
+ char **format_suffixes, /* e.g. ".raw" (one of these will be required) */
+ char **ret_basename,
+ char **ret_suffix) {
- _cleanup_free_ char *name = NULL;
+ _cleanup_free_ char *name = NULL, *suffix = NULL;
int r;
assert(path);
- assert(ret);
r = path_extract_filename(path, &name);
if (r < 0)
return r;
- if (format_suffix) {
- char *e = endswith(name, format_suffix);
+ if (format_suffixes) {
+ char *e = endswith_strv(name, format_suffixes);
if (!e) /* Format suffix is required */
return -EINVAL;
+ if (ret_suffix) {
+ suffix = strdup(e);
+ if (!suffix)
+ return -ENOMEM;
+ }
+
*e = 0;
}
if (class_suffix) {
char *e = endswith(name, class_suffix);
- if (e) /* Class suffix is optional */
+ if (e) { /* Class suffix is optional */
+ if (ret_suffix) {
+ _cleanup_free_ char *j = strjoin(e, suffix);
+ if (!j)
+ return -ENOMEM;
+
+ free_and_replace(suffix, j);
+ }
+
*e = 0;
+ }
}
if (!image_name_is_valid(name))
return -EINVAL;
- *ret = TAKE_PTR(name);
+ if (ret_suffix)
+ *ret_suffix = TAKE_PTR(suffix);
+
+ if (ret_basename)
+ *ret_basename = TAKE_PTR(name);
+
return 0;
}
+static int image_update_quota(Image *i, int fd) {
+ _cleanup_close_ int fd_close = -EBADF;
+ int r;
+
+ assert(i);
+
+ if (IMAGE_IS_VENDOR(i) || IMAGE_IS_HOST(i))
+ return -EROFS;
+
+ if (i->type != IMAGE_SUBVOLUME)
+ return -EOPNOTSUPP;
+
+ if (fd < 0) {
+ fd_close = open(i->path, O_CLOEXEC|O_NOCTTY|O_DIRECTORY);
+ if (fd_close < 0)
+ return -errno;
+ fd = fd_close;
+ }
+
+ r = btrfs_quota_scan_ongoing(fd);
+ if (r < 0)
+ return r;
+ if (r > 0)
+ return 0;
+
+ BtrfsQuotaInfo quota;
+ r = btrfs_subvol_get_subtree_quota_fd(fd, 0, &quota);
+ if (r < 0)
+ return r;
+
+ i->usage = quota.referenced;
+ i->usage_exclusive = quota.exclusive;
+ i->limit = quota.referenced_max;
+ i->limit_exclusive = quota.exclusive_max;
+
+ return 1;
+}
+
static int image_make(
ImageClass c,
const char *pretty,
@@ -297,7 +371,12 @@ static int image_make(
return 0;
if (!pretty) {
- r = extract_pretty(filename, image_class_suffix_to_string(c), NULL, &pretty_buffer);
+ r = extract_image_basename(
+ filename,
+ image_class_suffix_to_string(c),
+ /* format_suffix= */ NULL,
+ &pretty_buffer,
+ /* ret_suffix= */ NULL);
if (r < 0)
return r;
@@ -334,19 +413,7 @@ static int image_make(
if (r < 0)
return r;
- if (btrfs_quota_scan_ongoing(fd) == 0) {
- BtrfsQuotaInfo quota;
-
- r = btrfs_subvol_get_subtree_quota_fd(fd, 0, &quota);
- if (r >= 0) {
- (*ret)->usage = quota.referenced;
- (*ret)->usage_exclusive = quota.exclusive;
-
- (*ret)->limit = quota.referenced_max;
- (*ret)->limit_exclusive = quota.exclusive_max;
- }
- }
-
+ (void) image_update_quota(*ret, fd);
return 0;
}
}
@@ -384,7 +451,12 @@ static int image_make(
(void) fd_getcrtime_at(dfd, filename, AT_SYMLINK_FOLLOW, &crtime);
if (!pretty) {
- r = extract_pretty(filename, image_class_suffix_to_string(c), ".raw", &pretty_buffer);
+ r = extract_image_basename(
+ filename,
+ image_class_suffix_to_string(c),
+ STRV_MAKE(".raw"),
+ &pretty_buffer,
+ /* ret_suffix= */ NULL);
if (r < 0)
return r;
@@ -418,7 +490,12 @@ static int image_make(
return 0;
if (!pretty) {
- r = extract_pretty(filename, NULL, NULL, &pretty_buffer);
+ r = extract_image_basename(
+ filename,
+ /* class_suffix= */ NULL,
+ /* format_suffix= */ NULL,
+ &pretty_buffer,
+ /* ret_suffix= */ NULL);
if (r < 0)
return r;
@@ -446,8 +523,9 @@ static int image_make(
read_only = true;
}
- if (ioctl(block_fd, BLKGETSIZE64, &size) < 0)
- log_debug_errno(errno, "Failed to issue BLKGETSIZE64 on device %s/%s, ignoring: %m", path ?: strnull(parent), filename);
+ r = blockdev_get_device_size(block_fd, &size);
+ if (r < 0)
+ log_debug_errno(r, "Failed to issue BLKGETSIZE64 on device %s/%s, ignoring: %m", path ?: strnull(parent), filename);
block_fd = safe_close(block_fd);
}
@@ -481,6 +559,37 @@ static const char *pick_image_search_path(ImageClass class) {
return in_initrd() && image_search_path_initrd[class] ? image_search_path_initrd[class] : image_search_path[class];
}
+static char **make_possible_filenames(ImageClass class, const char *image_name) {
+ _cleanup_strv_free_ char **l = NULL;
+
+ assert(image_name);
+
+ FOREACH_STRING(v_suffix, "", ".v")
+ FOREACH_STRING(format_suffix, "", ".raw") {
+ _cleanup_free_ char *j = NULL;
+ const char *class_suffix;
+
+ class_suffix = image_class_suffix_to_string(class);
+ if (class_suffix) {
+ j = strjoin(image_name, class_suffix, format_suffix, v_suffix);
+ if (!j)
+ return NULL;
+
+ if (strv_consume(&l, TAKE_PTR(j)) < 0)
+ return NULL;
+ }
+
+ j = strjoin(image_name, format_suffix, v_suffix);
+ if (!j)
+ return NULL;
+
+ if (strv_consume(&l, TAKE_PTR(j)) < 0)
+ return NULL;
+ }
+
+ return TAKE_PTR(l);
+}
+
int image_find(ImageClass class,
const char *name,
const char *root,
@@ -496,6 +605,10 @@ int image_find(ImageClass class,
if (!image_name_is_valid(name))
return -ENOENT;
+ _cleanup_strv_free_ char **names = make_possible_filenames(class, name);
+ if (!names)
+ return -ENOMEM;
+
NULSTR_FOREACH(path, pick_image_search_path(class)) {
_cleanup_free_ char *resolved = NULL;
_cleanup_closedir_ DIR *d = NULL;
@@ -512,43 +625,97 @@ int image_find(ImageClass class,
* to symlink block devices into the search path. (For now, we disable that when operating
* relative to some root directory.) */
flags = root ? AT_SYMLINK_NOFOLLOW : 0;
- if (fstatat(dirfd(d), name, &st, flags) < 0) {
- _cleanup_free_ char *raw = NULL;
- if (errno != ENOENT)
- return -errno;
+ STRV_FOREACH(n, names) {
+ _cleanup_free_ char *fname_buf = NULL;
+ const char *fname = *n;
- raw = strjoin(name, ".raw");
- if (!raw)
- return -ENOMEM;
+ if (fstatat(dirfd(d), fname, &st, flags) < 0) {
+ if (errno != ENOENT)
+ return -errno;
- if (fstatat(dirfd(d), raw, &st, flags) < 0) {
- if (errno == ENOENT)
+ continue; /* Vanished while we were looking at it */
+ }
+
+ if (endswith(fname, ".raw")) {
+ if (!S_ISREG(st.st_mode)) {
+ log_debug("Ignoring non-regular file '%s' with .raw suffix.", fname);
continue;
+ }
- return -errno;
- }
+ } else if (endswith(fname, ".v")) {
- if (!S_ISREG(st.st_mode))
- continue;
+ if (!S_ISDIR(st.st_mode)) {
+ log_debug("Ignoring non-directory file '%s' with .v suffix.", fname);
+ continue;
+ }
- r = image_make(class, name, dirfd(d), resolved, raw, &st, ret);
+ _cleanup_free_ char *suffix = NULL;
+ suffix = strdup(ASSERT_PTR(startswith(fname, name)));
+ if (!suffix)
+ return -ENOMEM;
+
+ *ASSERT_PTR(endswith(suffix, ".v")) = 0;
+
+ _cleanup_free_ char *vp = path_join(resolved, fname);
+ if (!vp)
+ return -ENOMEM;
+
+ PickFilter filter = {
+ .type_mask = endswith(suffix, ".raw") ? (UINT32_C(1) << DT_REG) | (UINT32_C(1) << DT_BLK) : (UINT32_C(1) << DT_DIR),
+ .basename = name,
+ .architecture = _ARCHITECTURE_INVALID,
+ .suffix = STRV_MAKE(suffix),
+ };
+
+ _cleanup_(pick_result_done) PickResult result = PICK_RESULT_NULL;
+ r = path_pick(root,
+ /* toplevel_fd= */ AT_FDCWD,
+ vp,
+ &filter,
+ PICK_ARCHITECTURE|PICK_TRIES,
+ &result);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to pick versioned image on '%s', skipping: %m", vp);
+ continue;
+ }
+ if (!result.path) {
+ log_debug("Found versioned directory '%s', without matching entry, skipping: %m", vp);
+ continue;
+ }
+
+ /* Refresh the stat data for the discovered target */
+ st = result.st;
+
+ _cleanup_free_ char *bn = NULL;
+ r = path_extract_filename(result.path, &bn);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to extract basename of image path '%s', skipping: %m", result.path);
+ continue;
+ }
+
+ fname_buf = path_join(fname, bn);
+ if (!fname_buf)
+ return log_oom();
- } else {
- if (!S_ISDIR(st.st_mode) && !S_ISBLK(st.st_mode))
+ fname = fname_buf;
+
+ } else if (!S_ISDIR(st.st_mode) && !S_ISBLK(st.st_mode)) {
+ log_debug("Ignoring non-directory and non-block device file '%s' without suffix.", fname);
continue;
+ }
- r = image_make(class, name, dirfd(d), resolved, name, &st, ret);
- }
- if (IN_SET(r, -ENOENT, -EMEDIUMTYPE))
- continue;
- if (r < 0)
- return r;
+ r = image_make(class, name, dirfd(d), resolved, fname, &st, ret);
+ if (IN_SET(r, -ENOENT, -EMEDIUMTYPE))
+ continue;
+ if (r < 0)
+ return r;
- if (ret)
- (*ret)->discoverable = true;
+ if (ret)
+ (*ret)->discoverable = true;
- return 1;
+ return 1;
+ }
}
if (class == IMAGE_MACHINE && streq(name, ".host")) {
@@ -559,7 +726,7 @@ int image_find(ImageClass class,
if (ret)
(*ret)->discoverable = true;
- return r;
+ return 1;
}
return -ENOENT;
@@ -606,43 +773,133 @@ int image_discover(
return r;
FOREACH_DIRENT_ALL(de, d, return -errno) {
+ _cleanup_free_ char *pretty = NULL, *fname_buf = NULL;
_cleanup_(image_unrefp) Image *image = NULL;
- _cleanup_free_ char *pretty = NULL;
+ const char *fname = de->d_name;
struct stat st;
int flags;
- if (dot_or_dot_dot(de->d_name))
+ if (dot_or_dot_dot(fname))
continue;
/* As mentioned above, we follow symlinks on this fstatat(), because we want to
* permit people to symlink block devices into the search path. */
flags = root ? AT_SYMLINK_NOFOLLOW : 0;
- if (fstatat(dirfd(d), de->d_name, &st, flags) < 0) {
+ if (fstatat(dirfd(d), fname, &st, flags) < 0) {
if (errno == ENOENT)
continue;
return -errno;
}
- if (S_ISREG(st.st_mode))
- r = extract_pretty(de->d_name, image_class_suffix_to_string(class), ".raw", &pretty);
- else if (S_ISDIR(st.st_mode))
- r = extract_pretty(de->d_name, image_class_suffix_to_string(class), NULL, &pretty);
- else if (S_ISBLK(st.st_mode))
- r = extract_pretty(de->d_name, NULL, NULL, &pretty);
- else {
- log_debug("Skipping directory entry '%s', which is neither regular file, directory nor block device.", de->d_name);
- continue;
- }
- if (r < 0) {
- log_debug_errno(r, "Skipping directory entry '%s', which doesn't look like an image.", de->d_name);
+ if (S_ISREG(st.st_mode)) {
+ r = extract_image_basename(
+ fname,
+ image_class_suffix_to_string(class),
+ STRV_MAKE(".raw"),
+ &pretty,
+ /* suffix= */ NULL);
+ if (r < 0) {
+ log_debug_errno(r, "Skipping directory entry '%s', which doesn't look like an image.", fname);
+ continue;
+ }
+ } else if (S_ISDIR(st.st_mode)) {
+ const char *v;
+
+ v = endswith(fname, ".v");
+ if (v) {
+ _cleanup_free_ char *suffix = NULL, *nov = NULL;
+
+ nov = strndup(fname, v - fname); /* Chop off the .v */
+ if (!nov)
+ return -ENOMEM;
+
+ r = extract_image_basename(
+ nov,
+ image_class_suffix_to_string(class),
+ STRV_MAKE(".raw", ""),
+ &pretty,
+ &suffix);
+ if (r < 0) {
+ log_debug_errno(r, "Skipping directory entry '%s', which doesn't look like a versioned image.", fname);
+ continue;
+ }
+
+ _cleanup_free_ char *vp = path_join(resolved, fname);
+ if (!vp)
+ return -ENOMEM;
+
+ PickFilter filter = {
+ .type_mask = endswith(suffix, ".raw") ? (UINT32_C(1) << DT_REG) | (UINT32_C(1) << DT_BLK) : (UINT32_C(1) << DT_DIR),
+ .basename = pretty,
+ .architecture = _ARCHITECTURE_INVALID,
+ .suffix = STRV_MAKE(suffix),
+ };
+
+ _cleanup_(pick_result_done) PickResult result = PICK_RESULT_NULL;
+ r = path_pick(root,
+ /* toplevel_fd= */ AT_FDCWD,
+ vp,
+ &filter,
+ PICK_ARCHITECTURE|PICK_TRIES,
+ &result);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to pick versioned image on '%s', skipping: %m", vp);
+ continue;
+ }
+ if (!result.path) {
+ log_debug("Found versioned directory '%s', without matching entry, skipping: %m", vp);
+ continue;
+ }
+
+ /* Refresh the stat data for the discovered target */
+ st = result.st;
+
+ _cleanup_free_ char *bn = NULL;
+ r = path_extract_filename(result.path, &bn);
+ if (r < 0) {
+ log_debug_errno(r, "Failed to extract basename of image path '%s', skipping: %m", result.path);
+ continue;
+ }
+
+ fname_buf = path_join(fname, bn);
+ if (!fname_buf)
+ return log_oom();
+
+ fname = fname_buf;
+ } else {
+ r = extract_image_basename(
+ fname,
+ image_class_suffix_to_string(class),
+ /* format_suffix= */ NULL,
+ &pretty,
+ /* ret_suffix= */ NULL);
+ if (r < 0) {
+ log_debug_errno(r, "Skipping directory entry '%s', which doesn't look like an image.", fname);
+ continue;
+ }
+ }
+
+ } else if (S_ISBLK(st.st_mode)) {
+ r = extract_image_basename(
+ fname,
+ /* class_suffix= */ NULL,
+ /* format_suffix= */ NULL,
+ &pretty,
+ /* ret_v_suffix= */ NULL);
+ if (r < 0) {
+ log_debug_errno(r, "Skipping directory entry '%s', which doesn't look like an image.", fname);
+ continue;
+ }
+ } else {
+ log_debug("Skipping directory entry '%s', which is neither regular file, directory nor block device.", fname);
continue;
}
if (hashmap_contains(h, pretty))
continue;
- r = image_make(class, pretty, dirfd(d), resolved, de->d_name, &st, &image);
+ r = image_make(class, pretty, dirfd(d), resolved, fname, &st, &image);
if (IN_SET(r, -ENOENT, -EMEDIUMTYPE))
continue;
if (r < 0)
@@ -1056,6 +1313,7 @@ int image_read_only(Image *i, bool b) {
return -EOPNOTSUPP;
}
+ i->read_only = b;
return 0;
}
@@ -1064,7 +1322,12 @@ static void make_lock_dir(void) {
(void) mkdir("/run/systemd/nspawn/locks", 0700);
}
-int image_path_lock(const char *path, int operation, LockFile *global, LockFile *local) {
+int image_path_lock(
+ const char *path,
+ int operation,
+ LockFile *ret_global,
+ LockFile *ret_local) {
+
_cleanup_free_ char *p = NULL;
LockFile t = LOCK_FILE_INIT;
struct stat st;
@@ -1072,8 +1335,7 @@ int image_path_lock(const char *path, int operation, LockFile *global, LockFile
int r;
assert(path);
- assert(global);
- assert(local);
+ assert(ret_local);
/* Locks an image path. This actually creates two locks: one "local" one, next to the image path
* itself, which might be shared via NFS. And another "global" one, in /run, that uses the
@@ -1095,7 +1357,9 @@ int image_path_lock(const char *path, int operation, LockFile *global, LockFile
}
if (getenv_bool("SYSTEMD_NSPAWN_LOCK") == 0) {
- *local = *global = (LockFile) LOCK_FILE_INIT;
+ *ret_local = LOCK_FILE_INIT;
+ if (ret_global)
+ *ret_global = LOCK_FILE_INIT;
return 0;
}
@@ -1111,19 +1375,23 @@ int image_path_lock(const char *path, int operation, LockFile *global, LockFile
if (exclusive)
return -EBUSY;
- *local = *global = (LockFile) LOCK_FILE_INIT;
+ *ret_local = LOCK_FILE_INIT;
+ if (ret_global)
+ *ret_global = LOCK_FILE_INIT;
return 0;
}
- if (stat(path, &st) >= 0) {
- if (S_ISBLK(st.st_mode))
- r = asprintf(&p, "/run/systemd/nspawn/locks/block-%u:%u", major(st.st_rdev), minor(st.st_rdev));
- else if (S_ISDIR(st.st_mode) || S_ISREG(st.st_mode))
- r = asprintf(&p, "/run/systemd/nspawn/locks/inode-%lu:%lu", (unsigned long) st.st_dev, (unsigned long) st.st_ino);
- else
- return -ENOTTY;
- if (r < 0)
- return -ENOMEM;
+ if (ret_global) {
+ if (stat(path, &st) >= 0) {
+ if (S_ISBLK(st.st_mode))
+ r = asprintf(&p, "/run/systemd/nspawn/locks/block-%u:%u", major(st.st_rdev), minor(st.st_rdev));
+ else if (S_ISDIR(st.st_mode) || S_ISREG(st.st_mode))
+ r = asprintf(&p, "/run/systemd/nspawn/locks/inode-%lu:%lu", (unsigned long) st.st_dev, (unsigned long) st.st_ino);
+ else
+ return -ENOTTY;
+ if (r < 0)
+ return -ENOMEM;
+ }
}
/* For block devices we don't need the "local" lock, as the major/minor lock above should be
@@ -1141,19 +1409,21 @@ int image_path_lock(const char *path, int operation, LockFile *global, LockFile
if (p) {
make_lock_dir();
- r = make_lock_file(p, operation, global);
+ r = make_lock_file(p, operation, ret_global);
if (r < 0) {
release_lock_file(&t);
return r;
}
- } else
- *global = (LockFile) LOCK_FILE_INIT;
+ } else if (ret_global)
+ *ret_global = LOCK_FILE_INIT;
- *local = t;
+ *ret_local = t;
return 0;
}
int image_set_limit(Image *i, uint64_t referenced_max) {
+ int r;
+
assert(i);
if (IMAGE_IS_VENDOR(i) || IMAGE_IS_HOST(i))
@@ -1169,7 +1439,12 @@ int image_set_limit(Image *i, uint64_t referenced_max) {
(void) btrfs_qgroup_set_limit(i->path, 0, referenced_max);
(void) btrfs_subvol_auto_qgroup(i->path, 0, true);
- return btrfs_subvol_set_subtree_quota_limit(i->path, 0, referenced_max);
+ r = btrfs_subvol_set_subtree_quota_limit(i->path, 0, referenced_max);
+ if (r < 0)
+ return r;
+
+ (void) image_update_quota(i, -EBADF);
+ return 0;
}
int image_read_metadata(Image *i, const ImagePolicy *image_policy) {
@@ -1206,7 +1481,7 @@ int image_read_metadata(Image *i, const ImagePolicy *image_policy) {
else if (r >= 0) {
r = read_etc_hostname(path, &hostname);
if (r < 0)
- log_debug_errno(errno, "Failed to read /etc/hostname of image %s: %m", i->name);
+ log_debug_errno(r, "Failed to read /etc/hostname of image %s: %m", i->name);
}
path = mfree(path);
@@ -1249,8 +1524,25 @@ int image_read_metadata(Image *i, const ImagePolicy *image_policy) {
case IMAGE_BLOCK: {
_cleanup_(loop_device_unrefp) LoopDevice *d = NULL;
_cleanup_(dissected_image_unrefp) DissectedImage *m = NULL;
-
- r = loop_device_make_by_path(i->path, O_RDONLY, /* sector_size= */ UINT32_MAX, LO_FLAGS_PARTSCAN, LOCK_SH, &d);
+ DissectImageFlags flags =
+ DISSECT_IMAGE_GENERIC_ROOT |
+ DISSECT_IMAGE_REQUIRE_ROOT |
+ DISSECT_IMAGE_RELAX_VAR_CHECK |
+ DISSECT_IMAGE_READ_ONLY |
+ DISSECT_IMAGE_USR_NO_ROOT |
+ DISSECT_IMAGE_ADD_PARTITION_DEVICES |
+ DISSECT_IMAGE_PIN_PARTITION_DEVICES |
+ DISSECT_IMAGE_VALIDATE_OS |
+ DISSECT_IMAGE_VALIDATE_OS_EXT |
+ DISSECT_IMAGE_ALLOW_USERSPACE_VERITY;
+
+ r = loop_device_make_by_path(
+ i->path,
+ O_RDONLY,
+ /* sector_size= */ UINT32_MAX,
+ LO_FLAGS_PARTSCAN,
+ LOCK_SH,
+ &d);
if (r < 0)
return r;
@@ -1259,20 +1551,15 @@ int image_read_metadata(Image *i, const ImagePolicy *image_policy) {
/* verity= */ NULL,
/* mount_options= */ NULL,
image_policy,
- DISSECT_IMAGE_GENERIC_ROOT |
- DISSECT_IMAGE_REQUIRE_ROOT |
- DISSECT_IMAGE_RELAX_VAR_CHECK |
- DISSECT_IMAGE_READ_ONLY |
- DISSECT_IMAGE_USR_NO_ROOT |
- DISSECT_IMAGE_ADD_PARTITION_DEVICES |
- DISSECT_IMAGE_PIN_PARTITION_DEVICES,
+ flags,
&m);
if (r < 0)
return r;
- r = dissected_image_acquire_metadata(m,
- DISSECT_IMAGE_VALIDATE_OS |
- DISSECT_IMAGE_VALIDATE_OS_EXT);
+ r = dissected_image_acquire_metadata(
+ m,
+ /* userns_fd= */ -EBADF,
+ flags);
if (r < 0)
return r;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-04 07:36:58 +0000