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authorLennart Poettering <lennart@poettering.net>2013-09-17 16:33:30 -0500
committerLennart Poettering <lennart@poettering.net>2013-09-17 16:55:37 -0500
commit265ffa1e05acf12769a64d0734fd2472237c03c5 (patch)
treeea309816bc60faec7e5e387cca6c33fe5a095ad8 /src/tmpfiles
parentd8a110034690bbe50e15455be4427c42dcd59dc6 (diff)
tmpfiles: add a new "m" line type that adjusts user/group/mode of a file if it exists
Diffstat (limited to 'src/tmpfiles')
-rw-r--r--src/tmpfiles/tmpfiles.c39
1 files changed, 31 insertions, 8 deletions
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index fb25b77b2b..8122d6af6a 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -69,6 +69,7 @@ typedef enum ItemType {
CREATE_SYMLINK = 'L',
CREATE_CHAR_DEVICE = 'c',
CREATE_BLOCK_DEVICE = 'b',
+ ADJUST_MODE = 'm',
/* These ones take globs */
IGNORE_PATH = 'x',
@@ -257,8 +258,8 @@ static int dir_cleanup(
dev_t rootdev,
bool mountpoint,
int maxdepth,
- bool keep_this_level)
-{
+ bool keep_this_level) {
+
struct dirent *dent;
struct timespec times[2];
bool deleted = false;
@@ -429,12 +430,16 @@ finish:
return r;
}
-static int item_set_perms(Item *i, const char *path) {
+static int item_set_perms_full(Item *i, const char *path, bool ignore_enoent) {
+ int r;
+
/* not using i->path directly because it may be a glob */
if (i->mode_set)
if (chmod(path, i->mode) < 0) {
- log_error("chmod(%s) failed: %m", path);
- return -errno;
+ if (errno != ENOENT || !ignore_enoent) {
+ log_error("chmod(%s) failed: %m", path);
+ return -errno;
+ }
}
if (i->uid_set || i->gid_set)
@@ -442,11 +447,18 @@ static int item_set_perms(Item *i, const char *path) {
i->uid_set ? i->uid : (uid_t) -1,
i->gid_set ? i->gid : (gid_t) -1) < 0) {
- log_error("chown(%s) failed: %m", path);
- return -errno;
+ if (errno != ENOENT || !ignore_enoent) {
+ log_error("chown(%s) failed: %m", path);
+ return -errno;
+ }
}
- return label_fix(path, false, false);
+ r = label_fix(path, false, false);
+ return r == -ENOENT && ignore_enoent ? 0 : r;
+}
+
+static int item_set_perms(Item *i, const char *path) {
+ return item_set_perms_full(i, path, false);
}
static int write_one_file(Item *i, const char *path) {
@@ -642,6 +654,7 @@ static int create_item(Item *i) {
if (r < 0)
return r;
break;
+
case WRITE_FILE:
r = glob_item(i, write_one_file);
if (r < 0)
@@ -649,6 +662,13 @@ static int create_item(Item *i) {
break;
+ case ADJUST_MODE:
+ r = item_set_perms_full(i, i->path, true);
+ if (r < 0)
+ return r;
+
+ break;
+
case TRUNCATE_DIRECTORY:
case CREATE_DIRECTORY:
@@ -819,6 +839,7 @@ static int remove_item_instance(Item *i, const char *instance) {
case RELABEL_PATH:
case RECURSIVE_RELABEL_PATH:
case WRITE_FILE:
+ case ADJUST_MODE:
break;
case REMOVE_PATH:
@@ -864,6 +885,7 @@ static int remove_item(Item *i) {
case RELABEL_PATH:
case RECURSIVE_RELABEL_PATH:
case WRITE_FILE:
+ case ADJUST_MODE:
break;
case REMOVE_PATH:
@@ -1106,6 +1128,7 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
case RECURSIVE_REMOVE_PATH:
case RELABEL_PATH:
case RECURSIVE_RELABEL_PATH:
+ case ADJUST_MODE:
break;
case CREATE_SYMLINK: