crypto/dist/heimdal/appl/test/tcp_client.c

   1 /*
   2  * Copyright (c) 1997 - 1999 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "test_locl.h"
  35 __RCSID("$Heimdal: tcp_client.c 17450 2006-05-05 11:11:43Z lha $"
  36         "$NetBSD$");
  37
  38 krb5_context context;
  39
  40 static int
  41 proto (int sock, const char *hostname, const char *service)
  42 {
  43     krb5_auth_context auth_context;
  44     krb5_error_code status;
  45     krb5_principal server;
  46     krb5_data data;
  47     krb5_data packet;
  48     uint32_t len, net_len;
  49
  50     status = krb5_auth_con_init (context, &auth_context);
  51     if (status)
  52         krb5_err (context, 1, status, "krb5_auth_con_init");
  53
  54     status = krb5_auth_con_setaddrs_from_fd (context,
  55                                              auth_context,
  56                                              &sock);
  57     if (status)
  58         krb5_err (context, 1, status, "krb5_auth_con_setaddrs_from_fd");
  59
  60     status = krb5_sname_to_principal (context,
  61                                       hostname,
  62                                       service,
  63                                       KRB5_NT_SRV_HST,
  64                                       &server);
  65     if (status)
  66         krb5_err (context, 1, status, "krb5_sname_to_principal");
  67
  68     status = krb5_sendauth (context,
  69                             &auth_context,
  70                             &sock,
  71                             VERSION,
  72                             NULL,
  73                             server,
  74                             AP_OPTS_MUTUAL_REQUIRED,
  75                             NULL,
  76                             NULL,
  77                             NULL,
  78                             NULL,
  79                             NULL,
  80                             NULL);
  81     if (status)
  82         krb5_err (context, 1, status, "krb5_sendauth");
  83
  84     data.data   = "hej";
  85     data.length = 3;
  86
  87     krb5_data_zero (&packet);
  88
  89     status = krb5_mk_safe (context,
  90                            auth_context,
  91                            &data,
  92                            &packet,
  93                            NULL);
  94     if (status)
  95         krb5_err (context, 1, status, "krb5_mk_safe");
  96
  97     len = packet.length;
  98     net_len = htonl(len);
  99
 100     if (krb5_net_write (context, &sock, &net_len, 4) != 4)
 101         err (1, "krb5_net_write");
 102     if (krb5_net_write (context, &sock, packet.data, len) != len)
 103         err (1, "krb5_net_write");
 104
 105     data.data   = "hemligt";
 106     data.length = 7;
 107
 108     krb5_data_free (&packet);
 109
 110     status = krb5_mk_priv (context,
 111                            auth_context,
 112                            &data,
 113                            &packet,
 114                            NULL);
 115     if (status)
 116         krb5_err (context, 1, status, "krb5_mk_priv");
 117
 118     len = packet.length;
 119     net_len = htonl(len);
 120
 121     if (krb5_net_write (context, &sock, &net_len, 4) != 4)
 122         err (1, "krb5_net_write");
 123     if (krb5_net_write (context, &sock, packet.data, len) != len)
 124         err (1, "krb5_net_write");
 125     return 0;
 126 }
 127
 128 int
 129 main(int argc, char **argv)
 130 {
 131     int port = client_setup(&context, &argc, argv);
 132     return client_doit (argv[argc], port, service, proto);
 133 }