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-rw-r--r--src/shared/acl-util.c66
-rw-r--r--src/shared/acl-util.h19
2 files changed, 77 insertions, 8 deletions
diff --git a/src/shared/acl-util.c b/src/shared/acl-util.c
index c93f58a739..22bb8444e5 100644
--- a/src/shared/acl-util.c
+++ b/src/shared/acl-util.c
@@ -20,8 +20,6 @@
***/
#include <assert.h>
-#include <sys/acl.h>
-#include <acl/libacl.h>
#include <errno.h>
#include <stdbool.h>
@@ -151,3 +149,67 @@ int search_acl_groups(char*** dst, const char* path, bool* belong) {
return 0;
}
+
+int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default) {
+ _cleanup_free_ char **a = NULL, **d = NULL; /* strings are not be freed */
+ _cleanup_strv_free_ char **split;
+ char **entry;
+ int r = -EINVAL;
+ _cleanup_(acl_freep) acl_t a_acl = NULL, d_acl = NULL;
+
+ split = strv_split(text, ",");
+ if (!split)
+ return log_oom();
+
+ STRV_FOREACH(entry, split) {
+ char *p;
+
+ p = startswith(*entry, "default:");
+ if (!p)
+ p = startswith(*entry, "d:");
+
+ if (p)
+ r = strv_push(&d, p);
+ else
+ r = strv_push(&a, *entry);
+ }
+ if (r < 0)
+ return r;
+
+ if (!strv_isempty(a)) {
+ _cleanup_free_ char *join;
+
+ join = strv_join(a, ",");
+ if (!join)
+ return -ENOMEM;
+
+ a_acl = acl_from_text(join);
+ if (!a_acl)
+ return -EINVAL;
+
+ r = calc_acl_mask_if_needed(&a_acl);
+ if (r < 0)
+ return r;
+ }
+
+ if (!strv_isempty(d)) {
+ _cleanup_free_ char *join;
+
+ join = strv_join(d, ",");
+ if (!join)
+ return -ENOMEM;
+
+ d_acl = acl_from_text(join);
+ if (!d_acl)
+ return -EINVAL;
+
+ r = calc_acl_mask_if_needed(&d_acl);
+ if (r < 0)
+ return r;
+ }
+
+ *acl_access = a_acl;
+ *acl_default = d_acl;
+ a_acl = d_acl = NULL;
+ return 0;
+}
diff --git a/src/shared/acl-util.h b/src/shared/acl-util.h
index a753ad14fd..4133214d25 100644
--- a/src/shared/acl-util.h
+++ b/src/shared/acl-util.h
@@ -21,16 +21,23 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#ifdef HAVE_ACL
+
#include <stdbool.h>
+#include <sys/acl.h>
+#include <acl/libacl.h>
+
+#include "macro.h"
int acl_find_uid(acl_t acl, uid_t uid, acl_entry_t *entry);
int calc_acl_mask_if_needed(acl_t *acl_p);
int search_acl_groups(char*** dst, const char* path, bool* belong);
+int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default);
-static inline void acl_freep(acl_t *acl) {
-
- if (!*acl)
- return;
+/* acl_free takes multiple argument types.
+ * Multiple cleanup functions are necessary. */
+DEFINE_TRIVIAL_CLEANUP_FUNC(acl_t, acl_free);
+#define acl_free_charp acl_free
+DEFINE_TRIVIAL_CLEANUP_FUNC(char*, acl_free_charp);
- acl_free(*acl);
-}
+#endif