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/*
Copyright (c) 2007-2014 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"
// We'll generate random test keys at startup
static char client_public [41];
static char client_secret [41];
static char server_public [41];
static char server_secret [41];
// --------------------------------------------------------------------------
// This methods receives and validates ZAP requestes (allowing or denying
// each client connection).
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);
uint8_t client_key [32];
int size = zmq_recv (handler, client_key, 32, 0);
assert (size == 32);
char client_key_text [41];
zmq_z85_encode (client_key_text, client_key, 32);
assert (streq (version, "1.0"));
assert (streq (mechanism, "CURVE"));
assert (streq (identity, "IDENT"));
s_sendmore (handler, version);
s_sendmore (handler, sequence);
if (streq (client_key_text, client_public)) {
s_sendmore (handler, "200");
s_sendmore (handler, "OK");
s_sendmore (handler, "anonymous");
s_send (handler, "");
}
else {
s_sendmore (handler, "400");
s_sendmore (handler, "Invalid client public key");
s_sendmore (handler, "");
s_send (handler, "");
}
free (version);
free (sequence);
free (domain);
free (address);
free (identity);
free (mechanism);
}
zmq_close (handler);
}
int main (void)
{
#ifndef HAVE_LIBSODIUM
printf ("libsodium not installed, skipping CURVE test\n");
return 0;
#endif
// Generate new keypairs for this test
int rc = zmq_curve_keypair (client_public, client_secret);
assert (rc == 0);
rc = zmq_curve_keypair (server_public, server_secret);
assert (rc == 0);
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);
rc = zmq_bind (handler, "inproc://zeromq.zap.01");
assert (rc == 0);
void *zap_thread = zmq_threadstart (&zap_handler, handler);
// Server socket will accept connections
void *server = zmq_socket (ctx, ZMQ_DEALER);
assert (server);
int as_server = 1;
rc = zmq_setsockopt (server, ZMQ_CURVE_SERVER, &as_server, sizeof (int));
assert (rc == 0);
rc = zmq_setsockopt (server, ZMQ_CURVE_SECRETKEY, server_secret, 40);
assert (rc == 0);
rc = zmq_setsockopt (server, ZMQ_IDENTITY, "IDENT", 6);
assert (rc == 0);
rc = zmq_bind (server, "tcp://127.0.0.1:9998");
assert (rc == 0);
// Check CURVE security with valid credentials
void *client = zmq_socket (ctx, ZMQ_DEALER);
assert (client);
rc = zmq_setsockopt (client, ZMQ_CURVE_SERVERKEY, server_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_PUBLICKEY, client_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_SECRETKEY, client_secret, 40);
assert (rc == 0);
rc = zmq_connect (client, "tcp://localhost:9998");
assert (rc == 0);
bounce (server, client);
rc = zmq_close (client);
assert (rc == 0);
// Check CURVE security with a garbage server key
// This will be caught by the curve_server class, not passed to ZAP
char garbage_key [] = "0000111122223333444455556666777788889999";
client = zmq_socket (ctx, ZMQ_DEALER);
assert (client);
rc = zmq_setsockopt (client, ZMQ_CURVE_SERVERKEY, garbage_key, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_PUBLICKEY, client_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_SECRETKEY, client_secret, 40);
assert (rc == 0);
rc = zmq_connect (client, "tcp://localhost:9998");
assert (rc == 0);
expect_bounce_fail (server, client);
close_zero_linger (client);
// Check CURVE security with a garbage client public key
// This will be caught by the curve_server class, not passed to ZAP
client = zmq_socket (ctx, ZMQ_DEALER);
assert (client);
rc = zmq_setsockopt (client, ZMQ_CURVE_SERVERKEY, server_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_PUBLICKEY, garbage_key, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_SECRETKEY, client_secret, 40);
assert (rc == 0);
rc = zmq_connect (client, "tcp://localhost:9998");
assert (rc == 0);
expect_bounce_fail (server, client);
close_zero_linger (client);
// Check CURVE security with a garbage client secret key
// This will be caught by the curve_server class, not passed to ZAP
client = zmq_socket (ctx, ZMQ_DEALER);
assert (client);
rc = zmq_setsockopt (client, ZMQ_CURVE_SERVERKEY, server_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_PUBLICKEY, client_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_SECRETKEY, garbage_key, 40);
assert (rc == 0);
rc = zmq_connect (client, "tcp://localhost:9998");
assert (rc == 0);
expect_bounce_fail (server, client);
close_zero_linger (client);
// Check CURVE security with bogus client credentials
// This must be caught by the ZAP handler
char bogus_public [41];
char bogus_secret [41];
zmq_curve_keypair (bogus_public, bogus_secret);
client = zmq_socket (ctx, ZMQ_DEALER);
assert (client);
rc = zmq_setsockopt (client, ZMQ_CURVE_SERVERKEY, server_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_PUBLICKEY, bogus_public, 40);
assert (rc == 0);
rc = zmq_setsockopt (client, ZMQ_CURVE_SECRETKEY, bogus_secret, 40);
assert (rc == 0);
rc = zmq_connect (client, "tcp://localhost:9998");
assert (rc == 0);
expect_bounce_fail (server, client);
close_zero_linger (client);
// Shutdown
rc = zmq_close (server);
assert (rc == 0);
rc = zmq_ctx_term (ctx);
assert (rc == 0);
// Wait until ZAP handler terminates
zmq_threadclose (zap_thread);
return 0;
}