Exemplo n.º 1
0
NTSTATUS idmap_uid_to_sid(struct dom_sid *sid, uid_t uid)
{
	NTSTATUS ret;
	struct id_map map;
	bool expired;

	DEBUG(10, ("idmap_uid_to_sid: uid = [%lu]\n", (unsigned long)uid));

	if (winbindd_use_idmap_cache()
	    && idmap_cache_find_uid2sid(uid, sid, &expired)) {
		DEBUG(10, ("idmap_cache_find_uid2sid found %u%s\n",
			(unsigned int)uid,
			   expired ? " (expired)": ""));
		if (expired && idmap_is_online()) {
			DEBUG(10, ("revalidating expired entry\n"));
			goto backend;
		}
		if (is_null_sid(sid)) {
			DEBUG(10, ("Returning negative cache entry\n"));
			return NT_STATUS_NONE_MAPPED;
		}
		DEBUG(10, ("Returning positive cache entry\n"));
		return NT_STATUS_OK;
	}

backend:
	ZERO_STRUCT(map);
	map.sid = sid;
	map.xid.type = ID_TYPE_UID;
	map.xid.id = uid;

	ret = idmap_backends_unixid_to_sid(&map);
	if ( ! NT_STATUS_IS_OK(ret)) {
		DEBUG(10, ("error mapping uid [%lu]: %s\n", (unsigned long)uid,
			   nt_errstr(ret)));
		map.status = ID_UNMAPPED;
	}

	if (map.status != ID_MAPPED) {
		if (winbindd_use_idmap_cache()) {
			struct dom_sid null_sid;
			struct unixid id;
			id.type = ID_TYPE_UID;
			id.id = uid;
			ZERO_STRUCT(null_sid);
			idmap_cache_set_sid2unixid(&null_sid, &id);
		}
		DEBUG(10, ("uid [%lu] not mapped\n", (unsigned long)uid));
		return NT_STATUS_NONE_MAPPED;
	}

	if (winbindd_use_idmap_cache()) {
		idmap_cache_set_sid2unixid(sid, &map.xid);
	}

	return NT_STATUS_OK;
}
Exemplo n.º 2
0
NTSTATUS idmap_uid_to_sid(const char *domname, DOM_SID *sid, uid_t uid)
{
	NTSTATUS ret;
	struct id_map map;
	bool expired;

	DEBUG(10,("idmap_uid_to_sid: uid = [%lu], domain = '%s'\n",
		  (unsigned long)uid, domname?domname:"NULL"));

	if (winbindd_use_idmap_cache()
	    && idmap_cache_find_uid2sid(uid, sid, &expired)) {
		DEBUG(10, ("idmap_cache_find_uid2sid found %d%s\n", uid,
			   expired ? " (expired)": ""));
		if (expired && idmap_is_online()) {
			DEBUG(10, ("revalidating expired entry\n"));
			goto backend;
		}
		if (is_null_sid(sid)) {
			DEBUG(10, ("Returning negative cache entry\n"));
			return NT_STATUS_NONE_MAPPED;
		}
		DEBUG(10, ("Returning positive cache entry\n"));
		return NT_STATUS_OK;
	}

backend:
	map.sid = sid;
	map.xid.type = ID_TYPE_UID;
	map.xid.id = uid;

	ret = idmap_backends_unixid_to_sid(domname, &map);
	if ( ! NT_STATUS_IS_OK(ret)) {
		DEBUG(10, ("error mapping uid [%lu]\n", (unsigned long)uid));
		return ret;
	}

	if (map.status != ID_MAPPED) {
		if (winbindd_use_idmap_cache()) {
			struct dom_sid null_sid;
			ZERO_STRUCT(null_sid);
			idmap_cache_set_sid2uid(&null_sid, uid);
		}
		DEBUG(10, ("uid [%lu] not mapped\n", (unsigned long)uid));
		return NT_STATUS_NONE_MAPPED;
	}

	if (winbindd_use_idmap_cache()) {
		idmap_cache_set_sid2uid(sid, uid);
	}

	return NT_STATUS_OK;
}