mirror of
https://github.com/zeromq/libzmq.git
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251 lines
8.4 KiB
C++
251 lines
8.4 KiB
C++
/*
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Copyright (c) 2007-2017 Contributors as noted in the AUTHORS file
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This file is part of libzmq, the ZeroMQ core engine in C++.
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libzmq is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License (LGPL) as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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As a special exception, the Contributors give you permission to link
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this library with independent modules to produce an executable,
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regardless of the license terms of these independent modules, and to
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copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the
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terms and conditions of the license of that module. An independent
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module is a module which is not derived from or based on this library.
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If you modify this library, you must extend this exception to your
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version of the library.
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libzmq is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "testutil.hpp"
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#if defined(ZMQ_HAVE_WINDOWS)
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#include <stdexcept>
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#define close closesocket
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#else
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <unistd.h>
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#endif
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static void zap_handler (void *handler_)
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{
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// Process ZAP requests forever
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while (true) {
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char *version = s_recv (handler_);
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if (!version)
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break; // Terminating
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char *sequence = s_recv (handler_);
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char *domain = s_recv (handler_);
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char *address = s_recv (handler_);
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char *routing_id = s_recv (handler_);
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char *mechanism = s_recv (handler_);
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assert (streq (version, "1.0"));
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assert (streq (mechanism, "NULL"));
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s_sendmore (handler_, version);
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s_sendmore (handler_, sequence);
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if (streq (domain, "TEST")) {
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s_sendmore (handler_, "200");
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s_sendmore (handler_, "OK");
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s_sendmore (handler_, "anonymous");
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s_send (handler_, "");
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} else {
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s_sendmore (handler_, "400");
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s_sendmore (handler_, "BAD DOMAIN");
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s_sendmore (handler_, "");
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s_send (handler_, "");
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}
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free (version);
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free (sequence);
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free (domain);
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free (address);
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free (routing_id);
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free (mechanism);
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}
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close_zero_linger (handler_);
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}
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int main (void)
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{
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setup_test_environment ();
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size_t len = MAX_SOCKET_STRING;
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char my_endpoint[MAX_SOCKET_STRING];
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void *ctx = zmq_ctx_new ();
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assert (ctx);
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// We first test client/server with a ZAP domain but with no handler
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// If there is no handler, libzmq should ignore the ZAP option unless
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// ZMQ_ZAP_ENFORCE_DOMAIN is set
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void *server = zmq_socket (ctx, ZMQ_DEALER);
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assert (server);
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void *client = zmq_socket (ctx, ZMQ_DEALER);
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assert (client);
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int rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "TEST", 5);
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assert (rc == 0);
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rc = zmq_bind (server, "tcp://127.0.0.1:*");
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assert (rc == 0);
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rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
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assert (rc == 0);
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rc = zmq_connect (client, my_endpoint);
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assert (rc == 0);
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bounce (server, client);
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close_zero_linger (client);
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close_zero_linger (server);
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#ifdef ZMQ_ZAP_ENFORCE_DOMAIN
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// Now set ZMQ_ZAP_ENFORCE_DOMAIN which strictly enforces the ZAP
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// RFC but is backward-incompatible, now it should fail
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server = zmq_socket (ctx, ZMQ_DEALER);
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assert (server);
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client = zmq_socket (ctx, ZMQ_DEALER);
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assert (client);
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int required = 1;
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rc =
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zmq_setsockopt (server, ZMQ_ZAP_ENFORCE_DOMAIN, &required, sizeof (int));
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assert (rc == 0);
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rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "TEST", 5);
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assert (rc == 0);
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rc = zmq_bind (server, "tcp://127.0.0.1:*");
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assert (rc == 0);
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rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
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assert (rc == 0);
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rc = zmq_connect (client, my_endpoint);
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assert (rc == 0);
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expect_bounce_fail (server, client);
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close_zero_linger (client);
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close_zero_linger (server);
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#endif
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// Spawn ZAP handler
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// We create and bind ZAP socket in main thread to avoid case
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// where child thread does not start up fast enough.
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void *handler = zmq_socket (ctx, ZMQ_REP);
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assert (handler);
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rc = zmq_bind (handler, "inproc://zeromq.zap.01");
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assert (rc == 0);
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void *zap_thread = zmq_threadstart (&zap_handler, handler);
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// We bounce between a binding server and a connecting client
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// We first test client/server with no ZAP domain
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// Libzmq does not call our ZAP handler, the connect must succeed
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server = zmq_socket (ctx, ZMQ_DEALER);
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assert (server);
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client = zmq_socket (ctx, ZMQ_DEALER);
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assert (client);
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rc = zmq_bind (server, "tcp://127.0.0.1:*");
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assert (rc == 0);
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rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
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assert (rc == 0);
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rc = zmq_connect (client, my_endpoint);
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assert (rc == 0);
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bounce (server, client);
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close_zero_linger (client);
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close_zero_linger (server);
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// Now define a ZAP domain for the server; this enables
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// authentication. We're using the wrong domain so this test
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// must fail.
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server = zmq_socket (ctx, ZMQ_DEALER);
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assert (server);
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client = zmq_socket (ctx, ZMQ_DEALER);
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assert (client);
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rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "WRONG", 5);
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assert (rc == 0);
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rc = zmq_bind (server, "tcp://127.0.0.1:*");
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assert (rc == 0);
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len = MAX_SOCKET_STRING;
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rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
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assert (rc == 0);
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rc = zmq_connect (client, my_endpoint);
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assert (rc == 0);
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expect_bounce_fail (server, client);
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close_zero_linger (client);
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close_zero_linger (server);
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// Now use the right domain, the test must pass
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server = zmq_socket (ctx, ZMQ_DEALER);
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assert (server);
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client = zmq_socket (ctx, ZMQ_DEALER);
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assert (client);
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rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "TEST", 4);
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assert (rc == 0);
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rc = zmq_bind (server, "tcp://127.0.0.1:*");
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assert (rc == 0);
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len = MAX_SOCKET_STRING;
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rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
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assert (rc == 0);
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rc = zmq_connect (client, my_endpoint);
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assert (rc == 0);
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bounce (server, client);
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close_zero_linger (client);
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close_zero_linger (server);
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// Unauthenticated messages from a vanilla socket shouldn't be received
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server = zmq_socket (ctx, ZMQ_DEALER);
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assert (server);
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rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "WRONG", 5);
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assert (rc == 0);
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rc = zmq_bind (server, "tcp://127.0.0.1:*");
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assert (rc == 0);
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len = MAX_SOCKET_STRING;
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rc = zmq_getsockopt (server, ZMQ_LAST_ENDPOINT, my_endpoint, &len);
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assert (rc == 0);
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struct sockaddr_in ip4addr;
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fd_t s;
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unsigned short int port;
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rc = sscanf (my_endpoint, "tcp://127.0.0.1:%hu", &port);
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assert (rc == 1);
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ip4addr.sin_family = AF_INET;
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ip4addr.sin_port = htons (port);
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#if defined(ZMQ_HAVE_WINDOWS) && (_WIN32_WINNT < 0x0600)
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ip4addr.sin_addr.s_addr = inet_addr ("127.0.0.1");
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#else
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inet_pton (AF_INET, "127.0.0.1", &ip4addr.sin_addr);
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#endif
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s = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
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rc = connect (s, (struct sockaddr *) &ip4addr, sizeof ip4addr);
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assert (rc > -1);
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// send anonymous ZMTP/1.0 greeting
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send (s, "\x01\x00", 2, 0);
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// send sneaky message that shouldn't be received
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send (s, "\x08\x00sneaky\0", 9, 0);
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int timeout = 250;
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zmq_setsockopt (server, ZMQ_RCVTIMEO, &timeout, sizeof (timeout));
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char *buf = s_recv (server);
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if (buf != NULL) {
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printf ("Received unauthenticated message: %s\n", buf);
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assert (buf == NULL);
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}
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close (s);
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close_zero_linger (server);
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// Shutdown
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rc = zmq_ctx_term (ctx);
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assert (rc == 0);
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// Wait until ZAP handler terminates
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zmq_threadclose (zap_thread);
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return 0;
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}
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