libzmq/tests/test_security_null.cpp

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/*
Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "testutil.hpp"
static void
zap_handler (void *handler)
{
// Process ZAP requests forever
while (true) {
char *version = s_recv (handler);
if (!version)
break; // Terminating
char *sequence = s_recv (handler);
char *domain = s_recv (handler);
char *address = s_recv (handler);
char *identity = s_recv (handler);
char *mechanism = s_recv (handler);
assert (streq (version, "1.0"));
assert (streq (mechanism, "NULL"));
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s_sendmore (handler, version);
s_sendmore (handler, sequence);
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if (streq (domain, "TEST")) {
s_sendmore (handler, "200");
s_sendmore (handler, "OK");
s_sendmore (handler, "anonymous");
s_send (handler, "");
}
else {
s_sendmore (handler, "400");
s_sendmore (handler, "BAD DOMAIN");
s_sendmore (handler, "");
s_send (handler, "");
}
free (version);
free (sequence);
free (domain);
free (address);
free (identity);
free (mechanism);
}
zmq_close (handler);
}
int main (void)
{
setup_test_environment();
void *ctx = zmq_ctx_new ();
assert (ctx);
// Spawn ZAP handler
// We create and bind ZAP socket in main thread to avoid case
// where child thread does not start up fast enough.
void *handler = zmq_socket (ctx, ZMQ_REP);
assert (handler);
int rc = zmq_bind (handler, "inproc://zeromq.zap.01");
assert (rc == 0);
void *zap_thread = zmq_threadstart (&zap_handler, handler);
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// We bounce between a binding server and a connecting client
void *server = zmq_socket (ctx, ZMQ_DEALER);
assert (server);
void *client = zmq_socket (ctx, ZMQ_DEALER);
assert (client);
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// We first test client/server with no ZAP domain
// Libzmq does not call our ZAP handler, the connect must succeed
rc = zmq_bind (server, "tcp://*:9000");
assert (rc == 0);
rc = zmq_connect (client, "tcp://localhost:9000");
assert (rc == 0);
bounce (server, client);
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zmq_unbind (server, "tcp://*:9000");
zmq_disconnect (client, "tcp://localhost:9000");
// Now define a ZAP domain for the server; this enables
// authentication. We're using the wrong domain so this test
// must fail.
// **************************************************************
// PH: the following causes libzmq to get confused, so that the
// next step fails. To reproduce, uncomment this block. Note that
// even creating a new client/server socket pair, the behaviour
// does not change.
// **************************************************************
// Destroying the old sockets and creating new ones isn't needed,
// but it shows that the problem isn't related to specific sockets.
//close_zero_linger (client);
//close_zero_linger (server);
//server = zmq_socket (ctx, ZMQ_DEALER);
//assert (server);
//client = zmq_socket (ctx, ZMQ_DEALER);
//assert (client);
//// The above code should not be required
//rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "WRONG", 5);
//assert (rc == 0);
//rc = zmq_bind (server, "tcp://*:9001");
//assert (rc == 0);
//rc = zmq_connect (client, "tcp://localhost:9001");
//assert (rc == 0);
//expect_bounce_fail (server, client);
//zmq_unbind (server, "tcp://*:9001");
//zmq_disconnect (client, "tcp://localhost:9001");
// Now use the right domain, the test must pass
rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "TEST", 5);
assert (rc == 0);
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rc = zmq_bind (server, "tcp://*:9002");
assert (rc == 0);
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rc = zmq_connect (client, "tcp://localhost:9002");
assert (rc == 0);
// **************************************************************
// PH: it fails here; though the ZAP reply is 200 OK, and
// null_mechanism.cpp correctly parses that, the connection
// never succeeds and the test hangs.
// **************************************************************
bounce (server, client);
zmq_unbind (server, "tcp://*:9002");
zmq_disconnect (client, "tcp://localhost:9002");
// Shutdown
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close_zero_linger (client);
close_zero_linger (server);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
// Wait until ZAP handler terminates.
zmq_threadclose (zap_thread);
return 0;
}