-
-static int find_acl(acl_t acl, uid_t uid, acl_entry_t *entry) {
- acl_entry_t i;
- int found;
-
- assert(acl);
- assert(entry);
-
- for (found = acl_get_entry(acl, ACL_FIRST_ENTRY, &i);
- found > 0;
- found = acl_get_entry(acl, ACL_NEXT_ENTRY, &i)) {
-
- acl_tag_t tag;
- uid_t *u;
- bool b;
-
- if (acl_get_tag_type(i, &tag) < 0)
- return -errno;
-
- if (tag != ACL_USER)
- continue;
-
- u = acl_get_qualifier(i);
- if (!u)
- return -errno;
-
- b = *u == uid;
- acl_free(u);
-
- if (b) {
- *entry = i;
- return 1;
- }
- }
-
- if (found < 0)
- return -errno;
-
- return 0;
-}