+int search_acl_groups(char*** dst, const char* path, bool* belong) {
+ acl_t acl;
+
+ assert(path);
+ assert(belong);
+
+ acl = acl_get_file(path, ACL_TYPE_DEFAULT);
+ if (acl) {
+ acl_entry_t entry;
+ int r;
+
+ r = acl_get_entry(acl, ACL_FIRST_ENTRY, &entry);
+ while (r > 0) {
+ acl_tag_t tag;
+ gid_t *gid;
+ char *name;
+
+ r = acl_get_tag_type(entry, &tag);
+ if (r < 0)
+ break;
+
+ if (tag != ACL_GROUP)
+ goto next;
+
+ gid = acl_get_qualifier(entry);
+ if (!gid)
+ break;
+
+ if (in_gid(*gid) > 0) {
+ *belong = true;
+ break;
+ }
+
+ name = gid_to_name(*gid);
+ if (!name) {
+ acl_free(acl);
+ return log_oom();
+ }
+
+ r = strv_consume(dst, name);
+ if (r < 0) {
+ acl_free(acl);
+ return log_oom();
+ }
+
+ next:
+ r = acl_get_entry(acl, ACL_NEXT_ENTRY, &entry);
+ }
+
+ acl_free(acl);
+ }
+
+ return 0;
+}
+
+int parse_acl(char *text, acl_t *acl_access, acl_t *acl_default, bool want_mask) {
+ _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;
+
+ if (want_mask) {
+ 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;
+
+ if (want_mask) {
+ 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;
+}
+
+int acls_for_file(const char *path, acl_type_t type, acl_t new, acl_t *acl) {
+ _cleanup_(acl_freep) acl_t old;
+ acl_entry_t i;
+ int r;
+
+ old = acl_get_file(path, type);
+ if (!old)
+ return -errno;
+
+ for (r = acl_get_entry(new, ACL_FIRST_ENTRY, &i);
+ r > 0;
+ r = acl_get_entry(new, ACL_NEXT_ENTRY, &i)) {
+
+ acl_entry_t j;
+
+ if (acl_create_entry(&old, &j) < 0)
+ return -errno;
+
+ if (acl_copy_entry(j, i) < 0)
+ return -errno;
+ }
+ if (r < 0)