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-rw-r--r--src/shared/machine-image.c49
1 files changed, 42 insertions, 7 deletions
diff --git a/src/shared/machine-image.c b/src/shared/machine-image.c
index 712aff65b9..7bc5c0a128 100644
--- a/src/shared/machine-image.c
+++ b/src/shared/machine-image.c
@@ -99,6 +99,16 @@ static char **image_settings_path(Image *image) {
return ret;
}
+static char *image_roothash_path(Image *image) {
+ const char *fn;
+
+ assert(image);
+
+ fn = strjoina(image->name, ".roothash");
+
+ return file_in_same_dir(image->path, fn);
+}
+
static int image_new(
ImageType t,
const char *pretty,
@@ -397,6 +407,7 @@ void image_hashmap_free(Hashmap *map) {
int image_remove(Image *i) {
_cleanup_release_lock_file_ LockFile global_lock = LOCK_FILE_INIT, local_lock = LOCK_FILE_INIT;
_cleanup_strv_free_ char **settings = NULL;
+ _cleanup_free_ char *roothash = NULL;
char **j;
int r;
@@ -409,6 +420,10 @@ int image_remove(Image *i) {
if (!settings)
return -ENOMEM;
+ roothash = image_roothash_path(i);
+ if (!roothash)
+ return -ENOMEM;
+
/* Make sure we don't interfere with a running nspawn */
r = image_path_lock(i->path, LOCK_EX|LOCK_NB, &global_lock, &local_lock);
if (r < 0)
@@ -445,14 +460,17 @@ int image_remove(Image *i) {
log_debug_errno(errno, "Failed to unlink %s, ignoring: %m", *j);
}
+ if (unlink(roothash) < 0 && errno != ENOENT)
+ log_debug_errno(errno, "Failed to unlink %s, ignoring: %m", roothash);
+
return 0;
}
-static int rename_settings_file(const char *path, const char *new_name) {
+static int rename_auxiliary_file(const char *path, const char *new_name, const char *suffix) {
_cleanup_free_ char *rs = NULL;
const char *fn;
- fn = strjoina(new_name, ".nspawn");
+ fn = strjoina(new_name, suffix);
rs = file_in_same_dir(path, fn);
if (!rs)
@@ -463,7 +481,7 @@ static int rename_settings_file(const char *path, const char *new_name) {
int image_rename(Image *i, const char *new_name) {
_cleanup_release_lock_file_ LockFile global_lock = LOCK_FILE_INIT, local_lock = LOCK_FILE_INIT, name_lock = LOCK_FILE_INIT;
- _cleanup_free_ char *new_path = NULL, *nn = NULL;
+ _cleanup_free_ char *new_path = NULL, *nn = NULL, *roothash = NULL;
_cleanup_strv_free_ char **settings = NULL;
unsigned file_attr = 0;
char **j;
@@ -481,6 +499,10 @@ int image_rename(Image *i, const char *new_name) {
if (!settings)
return -ENOMEM;
+ roothash = image_roothash_path(i);
+ if (!roothash)
+ return -ENOMEM;
+
/* Make sure we don't interfere with a running nspawn */
r = image_path_lock(i->path, LOCK_EX|LOCK_NB, &global_lock, &local_lock);
if (r < 0)
@@ -550,19 +572,23 @@ int image_rename(Image *i, const char *new_name) {
nn = NULL;
STRV_FOREACH(j, settings) {
- r = rename_settings_file(*j, new_name);
+ r = rename_auxiliary_file(*j, new_name, ".nspawn");
if (r < 0 && r != -ENOENT)
log_debug_errno(r, "Failed to rename settings file %s, ignoring: %m", *j);
}
+ r = rename_auxiliary_file(roothash, new_name, ".roothash");
+ if (r < 0 && r != -ENOENT)
+ log_debug_errno(r, "Failed to rename roothash file %s, ignoring: %m", roothash);
+
return 0;
}
-static int clone_settings_file(const char *path, const char *new_name) {
+static int clone_auxiliary_file(const char *path, const char *new_name, const char *suffix) {
_cleanup_free_ char *rs = NULL;
const char *fn;
- fn = strjoina(new_name, ".nspawn");
+ fn = strjoina(new_name, suffix);
rs = file_in_same_dir(path, fn);
if (!rs)
@@ -574,6 +600,7 @@ static int clone_settings_file(const char *path, const char *new_name) {
int image_clone(Image *i, const char *new_name, bool read_only) {
_cleanup_release_lock_file_ LockFile name_lock = LOCK_FILE_INIT;
_cleanup_strv_free_ char **settings = NULL;
+ _cleanup_free_ char *roothash = NULL;
const char *new_path;
char **j;
int r;
@@ -587,6 +614,10 @@ int image_clone(Image *i, const char *new_name, bool read_only) {
if (!settings)
return -ENOMEM;
+ roothash = image_roothash_path(i);
+ if (!roothash)
+ return -ENOMEM;
+
/* Make sure nobody takes the new name, between the time we
* checked it is currently unused in all search paths, and the
* time we take possession of it */
@@ -636,11 +667,15 @@ int image_clone(Image *i, const char *new_name, bool read_only) {
return r;
STRV_FOREACH(j, settings) {
- r = clone_settings_file(*j, new_name);
+ r = clone_auxiliary_file(*j, new_name, ".nspawn");
if (r < 0 && r != -ENOENT)
log_debug_errno(r, "Failed to clone settings %s, ignoring: %m", *j);
}
+ r = clone_auxiliary_file(roothash, new_name, ".roothash");
+ if (r < 0 && r != -ENOENT)
+ log_debug_errno(r, "Failed to clone root hash file %s, ignoring: %m", roothash);
+
return 0;
}