diff options
Diffstat (limited to 'src/tmpfiles')
| -rw-r--r-- | src/tmpfiles/tmpfiles.c | 120 |
1 files changed, 49 insertions, 71 deletions
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c index 6745c23a15..89f6c6bd15 100644 --- a/src/tmpfiles/tmpfiles.c +++ b/src/tmpfiles/tmpfiles.c @@ -71,7 +71,6 @@ typedef enum ItemType { CREATE_CHAR_DEVICE = 'c', CREATE_BLOCK_DEVICE = 'b', COPY_FILES = 'C', - ADJUST_MODE = 'm', /* These ones take globs */ WRITE_FILE = 'w', @@ -79,8 +78,9 @@ typedef enum ItemType { IGNORE_DIRECTORY_PATH = 'X', REMOVE_PATH = 'r', RECURSIVE_REMOVE_PATH = 'R', + ADJUST_MODE = 'm', /* legacy, 'z' is identical to this */ RELABEL_PATH = 'z', - RECURSIVE_RELABEL_PATH = 'Z' + RECURSIVE_RELABEL_PATH = 'Z', } ItemType; typedef struct Item { @@ -134,6 +134,7 @@ static bool needs_glob(ItemType t) { IGNORE_DIRECTORY_PATH, REMOVE_PATH, RECURSIVE_REMOVE_PATH, + ADJUST_MODE, RELABEL_PATH, RECURSIVE_RELABEL_PATH); } @@ -543,109 +544,90 @@ static int write_one_file(Item *i, const char *path) { return 0; } -static int recursive_relabel_children(Item *i, const char *path) { +static int item_set_perms_children(Item *i, const char *path) { _cleanup_closedir_ DIR *d; - int ret = 0; + int r = 0; + + assert(i); + assert(path); /* This returns the first error we run into, but nevertheless * tries to go on */ d = opendir(path); if (!d) - return errno == ENOENT ? 0 : -errno; + return errno == ENOENT || errno == ENOTDIR ? 0 : -errno; for (;;) { + _cleanup_free_ char *p = NULL; struct dirent *de; - bool dir; - int r; - _cleanup_free_ char *entry_path = NULL; + int q; errno = 0; de = readdir(d); - if (!de && errno != 0) { - if (ret == 0) - ret = -errno; - break; - } + if (!de) { + if (errno != 0 && r == 0) + r = -errno; - if (!de) break; + } if (streq(de->d_name, ".") || streq(de->d_name, "..")) continue; - if (asprintf(&entry_path, "%s/%s", path, de->d_name) < 0) { - if (ret == 0) - ret = -ENOMEM; - continue; - } - - if (de->d_type == DT_UNKNOWN) { - r = is_dir(entry_path); - if (r < 0) { - if (ret == 0 && errno != ENOENT) - ret = -errno; - continue; - } - - dir = r; - - } else - dir = de->d_type == DT_DIR; + p = strjoin(path, "/", de->d_name, NULL); + if (!p) + return -ENOMEM; - r = item_set_perms(i, entry_path); - if (r < 0) { - if (ret == 0 && r != -ENOENT) - ret = r; - continue; - } + q = item_set_perms(i, p); + if (q < 0 && q != -ENOENT && r == 0) + r = q; - if (dir) { - r = recursive_relabel_children(i, entry_path); - if (r < 0 && ret == 0) - ret = r; + if (IN_SET(de->d_type, DT_UNKNOWN, DT_DIR)) { + q = item_set_perms_children(i, p); + if (q < 0 && r == 0) + r = q; } } - return ret; + return r; } -static int recursive_relabel(Item *i, const char *path) { - int r; - struct stat st; +static int item_set_perms_recursive(Item *i, const char *path) { + int r, q; + + assert(i); + assert(path); r = item_set_perms(i, path); if (r < 0) return r; - if (lstat(path, &st) < 0) - return -errno; - - if (S_ISDIR(st.st_mode)) - r = recursive_relabel_children(i, path); + q = item_set_perms_children(i, path); + if (q < 0 && r == 0) + r = q; return r; } static int glob_item(Item *i, int (*action)(Item *, const char *)) { - int r = 0, k; _cleanup_globfree_ glob_t g = {}; + int r = 0, k; char **fn; errno = 0; k = glob(i->path, GLOB_NOSORT|GLOB_BRACE, NULL, &g); - if (k != 0) - if (k != GLOB_NOMATCH) { - if (errno > 0) - errno = EIO; + if (k != 0 && k != GLOB_NOMATCH) { + if (errno == 0) + errno = EIO; - log_error("glob(%s) failed: %m", i->path); - return -errno; - } + log_error("glob(%s) failed: %m", i->path); + return -errno; + } STRV_FOREACH(fn, g.gl_pathv) { k = action(i, *fn); - if (k < 0) + if (k < 0 && r == 0) r = k; } @@ -693,13 +675,6 @@ 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: @@ -826,6 +801,7 @@ static int create_item(Item *i) { break; } + case ADJUST_MODE: case RELABEL_PATH: r = glob_item(i, item_set_perms); @@ -835,9 +811,11 @@ static int create_item(Item *i) { case RECURSIVE_RELABEL_PATH: - r = glob_item(i, recursive_relabel); + r = glob_item(i, item_set_perms_recursive); if (r < 0) return r; + + break; } log_debug("%s created successfully.", i->path); @@ -861,11 +839,11 @@ static int remove_item_instance(Item *i, const char *instance) { case CREATE_CHAR_DEVICE: case IGNORE_PATH: case IGNORE_DIRECTORY_PATH: + case ADJUST_MODE: case RELABEL_PATH: case RECURSIVE_RELABEL_PATH: case WRITE_FILE: case COPY_FILES: - case ADJUST_MODE: break; case REMOVE_PATH: @@ -908,11 +886,11 @@ static int remove_item(Item *i) { case CREATE_BLOCK_DEVICE: case IGNORE_PATH: case IGNORE_DIRECTORY_PATH: + case ADJUST_MODE: case RELABEL_PATH: case RECURSIVE_RELABEL_PATH: case WRITE_FILE: case COPY_FILES: - case ADJUST_MODE: break; case REMOVE_PATH: @@ -1158,9 +1136,9 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) { case IGNORE_DIRECTORY_PATH: case REMOVE_PATH: case RECURSIVE_REMOVE_PATH: + case ADJUST_MODE: case RELABEL_PATH: case RECURSIVE_RELABEL_PATH: - case ADJUST_MODE: break; case CREATE_SYMLINK: |