int acl_cmp(acl_t acl1, acl_t acl2) { acl_obj *acl1_obj_p = ext2int(acl, acl1), *acl2_obj_p = ext2int(acl, acl2); acl_entry_obj *p1_obj_p, *p2_obj_p; if (!acl1_obj_p || !acl2_obj_p) return -1; if (acl1_obj_p->aused != acl2_obj_p->aused) return 1; p2_obj_p = acl2_obj_p->anext; FOREACH_ACL_ENTRY(p1_obj_p, acl1_obj_p) { if (p1_obj_p->etag != p2_obj_p->etag) return 1; if (!permset_obj_equal(p1_obj_p->eperm,p2_obj_p->eperm)) return 1; switch(p1_obj_p->etag) { case ACL_USER: case ACL_GROUP: if (qualifier_obj_id(p1_obj_p->eid) != qualifier_obj_id(p2_obj_p->eid)) return 1; } p2_obj_p = p2_obj_p->enext; } return 0; }
/* Take an ACL entry form its current place in the entry ring, and insert it at its proper place. Entries that are not valid (yet) are not reordered. */ int __acl_reorder_entry_obj_p(acl_entry_obj *entry_obj_p) { acl_obj *acl_obj_p = entry_obj_p->econtainer; acl_entry_obj *here_obj_p; if (acl_obj_p->aused <= 1) return 0; switch(entry_obj_p->etag) { case ACL_UNDEFINED_TAG: return 1; case ACL_USER: case ACL_GROUP: if (qualifier_obj_id(entry_obj_p->eid) == ACL_UNDEFINED_ID) return 1; } /* Remove entry from ring */ entry_obj_p->eprev->enext = entry_obj_p->enext; entry_obj_p->enext->eprev = entry_obj_p->eprev; /* Search for next greater entry */ FOREACH_ACL_ENTRY(here_obj_p, acl_obj_p) { if (__acl_entry_p_compare(here_obj_p, entry_obj_p) > 0) break; } /* Re-insert entry into ring */ entry_obj_p->eprev = here_obj_p->eprev; entry_obj_p->enext = here_obj_p; entry_obj_p->eprev->enext = entry_obj_p; entry_obj_p->enext->eprev = entry_obj_p; return 0; }