C++ (Cpp) radius_server_get_client Beispiele

Beispiel #1

Datei: radius_server.c Projekt: flwh/Alcatel_OT_985_kernel

static void radius_server_receive_auth(int sock, void *eloop_ctx,
				       void *sock_ctx)
{
	struct radius_server_data *data = eloop_ctx;
	u8 *buf = NULL;
	union {
		struct sockaddr_storage ss;
		struct sockaddr_in sin;
#ifdef CONFIG_IPV6
		struct sockaddr_in6 sin6;
#endif /* CONFIG_IPV6 */
	} from;
	socklen_t fromlen;
	int len;
	struct radius_client *client = NULL;
	struct radius_msg *msg = NULL;
	char abuf[50];
	int from_port = 0;

	buf = os_malloc(RADIUS_MAX_MSG_LEN);
	if (buf == NULL) {
		goto fail;
	}

	fromlen = sizeof(from);
	len = recvfrom(sock, buf, RADIUS_MAX_MSG_LEN, 0,
		       (struct sockaddr *) &from.ss, &fromlen);
	if (len < 0) {
		perror("recvfrom[radius_server]");
		goto fail;
	}

#ifdef CONFIG_IPV6
	if (data->ipv6) {
		if (inet_ntop(AF_INET6, &from.sin6.sin6_addr, abuf,
			      sizeof(abuf)) == NULL)
			abuf[0] = '\0';
		from_port = ntohs(from.sin6.sin6_port);
		RADIUS_DEBUG("Received %d bytes from %s:%d",
			     len, abuf, from_port);

		client = radius_server_get_client(data,
						  (struct in_addr *)
						  &from.sin6.sin6_addr, 1);
	}
#endif /* CONFIG_IPV6 */

	if (!data->ipv6) {
		os_strlcpy(abuf, inet_ntoa(from.sin.sin_addr), sizeof(abuf));
		from_port = ntohs(from.sin.sin_port);
		RADIUS_DEBUG("Received %d bytes from %s:%d",
			     len, abuf, from_port);

		client = radius_server_get_client(data, &from.sin.sin_addr, 0);
	}

	RADIUS_DUMP("Received data", buf, len);

	if (client == NULL) {
		RADIUS_DEBUG("Unknown client %s - packet ignored", abuf);
		data->counters.invalid_requests++;
		goto fail;
	}

	msg = radius_msg_parse(buf, len);
	if (msg == NULL) {
		RADIUS_DEBUG("Parsing incoming RADIUS frame failed");
		data->counters.malformed_access_requests++;
		client->counters.malformed_access_requests++;
		goto fail;
	}

	os_free(buf);
	buf = NULL;

	if (wpa_debug_level <= MSG_MSGDUMP) {
		radius_msg_dump(msg);
	}

	if (msg->hdr->code != RADIUS_CODE_ACCESS_REQUEST) {
		RADIUS_DEBUG("Unexpected RADIUS code %d", msg->hdr->code);
		data->counters.unknown_types++;
		client->counters.unknown_types++;
		goto fail;
	}

	data->counters.access_requests++;
	client->counters.access_requests++;

	if (radius_msg_verify_msg_auth(msg, (u8 *) client->shared_secret,
				       client->shared_secret_len, NULL)) {
		RADIUS_DEBUG("Invalid Message-Authenticator from %s", abuf);
		data->counters.bad_authenticators++;
		client->counters.bad_authenticators++;
		goto fail;
	}

	if (radius_server_request(data, msg, (struct sockaddr *) &from,
				  fromlen, client, abuf, from_port, NULL) ==
	    -2)
		return; /* msg was stored with the session */

fail:
	if (msg) {
		radius_msg_free(msg);
		os_free(msg);
	}
	os_free(buf);
}

Beispiel #2

static void radius_server_receive_auth(int sock, void *eloop_ctx,
				       void *sock_ctx)
{
	struct radius_server_data *data = eloop_ctx;
	u8 *buf = NULL;
	struct sockaddr_in from;
	socklen_t fromlen;
	int len;
	struct radius_client *client;
	struct radius_msg *msg = NULL;

	buf = malloc(RADIUS_MAX_MSG_LEN);
	if (buf == NULL) {
		goto fail;
	}

	fromlen = sizeof(from);
	len = recvfrom(sock, buf, RADIUS_MAX_MSG_LEN, 0,
		       (struct sockaddr *) &from, &fromlen);
	if (len < 0) {
		perror("recvfrom[radius_server]");
		goto fail;
	}

	RADIUS_DEBUG("Received %d bytes from %s:%d",
		     len, inet_ntoa(from.sin_addr), ntohs(from.sin_port));
	RADIUS_DUMP("Received data", buf, len);

	client = radius_server_get_client(data, &from.sin_addr);
	if (client == NULL) {
		RADIUS_DEBUG("Unknown client %s - packet ignored",
			     inet_ntoa(from.sin_addr));
		goto fail;
	}

	msg = radius_msg_parse(buf, len);
	if (msg == NULL) {
		RADIUS_DEBUG("Parsing incoming RADIUS frame failed");
		goto fail;
	}

	free(buf);
	buf = NULL;

	if (wpa_debug_level <= MSG_MSGDUMP) {
		radius_msg_dump(msg);
	}

	if (msg->hdr->code != RADIUS_CODE_ACCESS_REQUEST) {
		RADIUS_DEBUG("Unexpected RADIUS code %d", msg->hdr->code);
		goto fail;
	}

	if (radius_msg_verify_msg_auth(msg, (u8 *) client->shared_secret,
				       client->shared_secret_len, NULL)) {
		RADIUS_DEBUG("Invalid Message-Authenticator from %s",
			     inet_ntoa(from.sin_addr));
		goto fail;
	}

	radius_server_request(data, msg, &from, client);

fail:
	if (msg) {
		radius_msg_free(msg);
		free(msg);
	}
	free(buf);
}