tmpfiles: introduce empty_directory()
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4c39d899ff
commit
5494602195
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@ -866,40 +866,15 @@ static int path_open_parent_safe(const char *path) {
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static int path_set_perms(Item *i, const char *path) {
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_cleanup_close_ int fd = -1;
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struct stat stbuf, *st = NULL;
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assert(i);
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assert(path);
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fd = open(path, O_NOFOLLOW|O_CLOEXEC|O_PATH);
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if (fd < 0) {
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int level = LOG_ERR, r = -errno;
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if (fd < 0)
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return log_error_errno(errno, "Failed to open \"%s\" to adjust permissions: %m", path);
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/* Option "e" operates only on existing objects. Do not
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* print errors about non-existent files or directories */
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if (i->type == EMPTY_DIRECTORY && errno == ENOENT) {
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level = LOG_DEBUG;
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r = 0;
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}
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log_full_errno(level, errno, "Adjusting owner and mode for %s failed: %m", path);
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return r;
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}
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if (i->type == EMPTY_DIRECTORY) {
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/* FIXME: introduce fd_is_dir() helper ? */
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if (fstat(fd, &stbuf) < 0)
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return log_error_errno(errno, "Failed to fstat() file %s: %m", path);
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if (!S_ISDIR(stbuf.st_mode)) {
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log_error("'%s' already exists and is not a directory. ", path);
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return -EEXIST;
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}
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st = &stbuf;
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}
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return fd_set_perms(i, fd, st);
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return fd_set_perms(i, fd, NULL);
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}
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static int parse_xattrs_from_arg(Item *i) {
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@ -1642,6 +1617,29 @@ static int create_subvolume(Item *i, const char *path) {
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return r;
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}
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static int empty_directory(Item *i, const char *path) {
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int r;
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assert(i);
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assert(i->type == EMPTY_DIRECTORY);
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r = is_dir(path, false);
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if (r == -ENOENT) {
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/* Option "e" operates only on existing objects. Do not
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* print errors about non-existent files or directories */
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log_debug("Skipping missing directory: %s", path);
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return 0;
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}
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if (r < 0)
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return log_error_errno(r, "is_dir() failed on path %s: %m", path);
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if (r == 0) {
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log_error("'%s' already exists and is not a directory.", path);
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return -EEXIST;
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}
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return path_set_perms(i, path);
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}
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static int create_device(Item *i, mode_t file_type) {
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_cleanup_close_ int dfd = -1, fd = -1;
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CreationMode creation;
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@ -1901,7 +1899,7 @@ static int create_item(Item *i) {
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break;
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case EMPTY_DIRECTORY:
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r = glob_item(i, path_set_perms);
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r = glob_item(i, empty_directory);
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if (r < 0)
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return r;
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break;
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