test_security_null.cpp 6.27 KB
Newer Older
1
/*
2
    Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
3

4
    This file is part of libzmq, the ZeroMQ core engine in C++.
5

6 7 8
    libzmq is free software; you can redistribute it and/or modify it under
    the terms of the GNU Lesser General Public License (LGPL) as published
    by the Free Software Foundation; either version 3 of the License, or
9 10
    (at your option) any later version.

11 12 13 14 15 16 17 18 19 20 21 22 23 24
    As a special exception, the Contributors give you permission to link
    this library with independent modules to produce an executable,
    regardless of the license terms of these independent modules, and to
    copy and distribute the resulting executable under terms of your choice,
    provided that you also meet, for each linked independent module, the
    terms and conditions of the license of that module. An independent
    module is a module which is not derived from or based on this library.
    If you modify this library, you must extend this exception to your
    version of the library.

    libzmq 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.
25 26 27 28 29 30

    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"
31 32
#if defined (ZMQ_HAVE_WINDOWS)
#   include <winsock2.h>
33
#   include <ws2tcpip.h>
34
#   include <stdexcept>
35
#   define close closesocket
36 37 38 39 40 41
#else
#   include <sys/socket.h>
#   include <netinet/in.h>
#   include <arpa/inet.h>
#   include <unistd.h>
#endif
42

43
static void
44
zap_handler (void *handler)
45 46 47
{
    //  Process ZAP requests forever
    while (true) {
48
        char *version = s_recv (handler);
49 50
        if (!version)
            break;          //  Terminating
51

52 53 54 55 56
        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);
57 58 59

        assert (streq (version, "1.0"));
        assert (streq (mechanism, "NULL"));
60
        
61 62
        s_sendmore (handler, version);
        s_sendmore (handler, sequence);
63 64 65 66 67 68 69 70 71 72 73 74
        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, "");
        }
75 76 77 78 79 80 81
        free (version);
        free (sequence);
        free (domain);
        free (address);
        free (identity);
        free (mechanism);
    }
82
    close_zero_linger (handler);
83 84 85 86 87 88 89
}

int main (void)
{
    setup_test_environment();
    void *ctx = zmq_ctx_new ();
    assert (ctx);
90

91
    //  Spawn ZAP handler
92 93 94 95 96 97 98
    //  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);
99

100
    //  We bounce between a binding server and a connecting client
101
    
Pieter Hintjens's avatar
Pieter Hintjens committed
102 103 104 105 106 107 108 109 110 111 112 113 114
    //  We first test client/server with no ZAP domain
    //  Libzmq does not call our ZAP handler, the connect must succeed
    void *server = zmq_socket (ctx, ZMQ_DEALER);
    assert (server);
    void *client = zmq_socket (ctx, ZMQ_DEALER);
    assert (client);
    rc = zmq_bind (server, "tcp://127.0.0.1:9000");
    assert (rc == 0);
    rc = zmq_connect (client, "tcp://127.0.0.1:9000");
    assert (rc == 0);
    bounce (server, client);
    close_zero_linger (client);
    close_zero_linger (server);
115

116 117 118
    //  Now define a ZAP domain for the server; this enables 
    //  authentication. We're using the wrong domain so this test
    //  must fail.
119
    server = zmq_socket (ctx, ZMQ_DEALER);
120
    assert (server);
121
    client = zmq_socket (ctx, ZMQ_DEALER);
122 123 124 125 126 127 128 129 130 131 132
    assert (client);
    rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "WRONG", 5);
    assert (rc == 0);
    rc = zmq_bind (server, "tcp://127.0.0.1:9001");
    assert (rc == 0);
    rc = zmq_connect (client, "tcp://127.0.0.1:9001");
    assert (rc == 0);
    expect_bounce_fail (server, client);
    close_zero_linger (client);
    close_zero_linger (server);

Pieter Hintjens's avatar
Pieter Hintjens committed
133 134 135 136 137 138 139 140 141 142 143 144 145 146
    //  Now use the right domain, the test must pass
    server = zmq_socket (ctx, ZMQ_DEALER);
    assert (server);
    client = zmq_socket (ctx, ZMQ_DEALER);
    assert (client);
    rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "TEST", 4);
    assert (rc == 0);
    rc = zmq_bind (server, "tcp://127.0.0.1:9002");
    assert (rc == 0);
    rc = zmq_connect (client, "tcp://127.0.0.1:9002");
    assert (rc == 0);
    bounce (server, client);
    close_zero_linger (client);
    close_zero_linger (server);
147

148 149 150 151 152
    // Unauthenticated messages from a vanilla socket shouldn't be received
    server = zmq_socket (ctx, ZMQ_DEALER);
    assert (server);
    rc = zmq_setsockopt (server, ZMQ_ZAP_DOMAIN, "WRONG", 5);
    assert (rc == 0);
153
    rc = zmq_bind (server, "tcp://127.0.0.1:9003");
154 155 156 157 158 159
    assert (rc == 0);

    struct sockaddr_in ip4addr;
    int s;

    ip4addr.sin_family = AF_INET;
160
    ip4addr.sin_port = htons(9003);
161
#if defined (ZMQ_HAVE_WINDOWS) && (_WIN32_WINNT < 0x0600)
162 163
    ip4addr.sin_addr.s_addr = inet_addr ("127.0.0.1");
#else
164
    inet_pton(AF_INET, "127.0.0.1", &ip4addr.sin_addr);
165
#endif
166 167 168 169

    s = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
    rc = connect (s, (struct sockaddr*) &ip4addr, sizeof ip4addr);
    assert (rc > -1);
170 171 172 173
    // send anonymous ZMTP/1.0 greeting
    send (s, "\x01\x00", 2, 0);
    // send sneaky message that shouldn't be received
    send (s, "\x08\x00sneaky\0", 9, 0);
174
    int timeout = 250;
175
    zmq_setsockopt (server, ZMQ_RCVTIMEO, &timeout, sizeof (timeout));
176
    char *buf = s_recv (server);
177 178 179 180
    if (buf != NULL) {
        printf ("Received unauthenticated message: %s\n", buf);
        assert (buf == NULL);
    }
181 182 183
    close (s);
    close_zero_linger (server);

184
    //  Shutdown
185 186
    rc = zmq_ctx_term (ctx);
    assert (rc == 0);
187
    //  Wait until ZAP handler terminates
188 189 190 191
    zmq_threadclose (zap_thread);

    return 0;
}