appl/test/uu_client.c

   1 /*
   2  * Copyright (c) 1997 - 2000 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("$Id$");
  36
  37 krb5_context context;
  38
  39 static int
  40 proto (int sock, const char *hostname, const char *service)
  41 {
  42     struct sockaddr_in remote, local;
  43     socklen_t addrlen;
  44     krb5_address remote_addr, local_addr;
  45     krb5_context context;
  46     krb5_ccache ccache;
  47     krb5_auth_context auth_context;
  48     krb5_error_code status;
  49     krb5_principal client;
  50     krb5_data data;
  51     krb5_data packet;
  52     krb5_creds mcred, cred;
  53     krb5_ticket *ticket;
  54
  55     addrlen = sizeof(local);
  56     if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
  57         || addrlen != sizeof(local))
  58         err (1, "getsockname(%s)", hostname);
  59
  60     addrlen = sizeof(remote);
  61     if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
  62         || addrlen != sizeof(remote))
  63         err (1, "getpeername(%s)", hostname);
  64
  65     status = krb5_init_context(&context);
  66     if (status)
  67         errx(1, "krb5_init_context failed: %d", status);
  68
  69     status = krb5_cc_default (context, &ccache);
  70     if (status)
  71         krb5_err(context, 1, status, "krb5_cc_default");
  72
  73     status = krb5_auth_con_init (context, &auth_context);
  74     if (status)
  75         krb5_err(context, 1, status, "krb5_auth_con_init");
  76
  77     local_addr.addr_type = AF_INET;
  78     local_addr.address.length = sizeof(local.sin_addr);
  79     local_addr.address.data   = &local.sin_addr;
  80
  81     remote_addr.addr_type = AF_INET;
  82     remote_addr.address.length = sizeof(remote.sin_addr);
  83     remote_addr.address.data   = &remote.sin_addr;
  84
  85     status = krb5_auth_con_setaddrs (context,
  86                                      auth_context,
  87                                      &local_addr,
  88                                      &remote_addr);
  89     if (status)
  90         krb5_err(context, 1, status, "krb5_auth_con_setaddr");
  91
  92     krb5_cc_clear_mcred(&mcred);
  93
  94     status = krb5_cc_get_principal(context, ccache, &client);
  95     if(status)
  96         krb5_err(context, 1, status, "krb5_cc_get_principal");
  97     status = krb5_make_principal(context, &mcred.server,
  98                                  krb5_principal_get_realm(context, client),
  99                                  "krbtgt",
 100                                  krb5_principal_get_realm(context, client),
 101                                  NULL);
 102     if(status)
 103         krb5_err(context, 1, status, "krb5_make_principal");
 104     mcred.client = client;
 105
 106     status = krb5_cc_retrieve_cred(context, ccache, 0, &mcred, &cred);
 107     if(status)
 108         krb5_err(context, 1, status, "krb5_cc_retrieve_cred");
 109
 110     {
 111         char *client_name;
 112         krb5_data data;
 113         status = krb5_unparse_name(context, cred.client, &client_name);
 114         if(status)
 115             krb5_err(context, 1, status, "krb5_unparse_name");
 116         data.data = client_name;
 117         data.length = strlen(client_name) + 1;
 118         status = krb5_write_message(context, &sock, &data);
 119         if(status)
 120             krb5_err(context, 1, status, "krb5_write_message");
 121         free(client_name);
 122     }
 123
 124     status = krb5_write_message(context, &sock, &cred.ticket);
 125     if(status)
 126         krb5_err(context, 1, status, "krb5_write_message");
 127
 128     status = krb5_auth_con_setuserkey(context, auth_context, &cred.session);
 129     if(status)
 130         krb5_err(context, 1, status, "krb5_auth_con_setuserkey");
 131
 132     status = krb5_recvauth(context, &auth_context, &sock,
 133                            VERSION, client, 0, NULL, &ticket);
 134
 135     if (status)
 136         krb5_err(context, 1, status, "krb5_recvauth");
 137
 138     if (ticket->ticket.authorization_data) {
 139         AuthorizationData *authz;
 140         int i;
 141
 142         printf("Authorization data:\n");
 143
 144         authz = ticket->ticket.authorization_data;
 145         for (i = 0; i < authz->len; i++) {
 146             printf("\ttype %d, length %lu\n",
 147                    authz->val[i].ad_type,
 148                    (unsigned long)authz->val[i].ad_data.length);
 149         }
 150     }
 151
 152     data.data   = "hej";
 153     data.length = 3;
 154
 155     krb5_data_zero (&packet);
 156
 157     status = krb5_mk_safe (context,
 158                            auth_context,
 159                            &data,
 160                            &packet,
 161                            NULL);
 162     if (status)
 163         krb5_err(context, 1, status, "krb5_mk_safe");
 164
 165     status = krb5_write_message(context, &sock, &packet);
 166     if(status)
 167         krb5_err(context, 1, status, "krb5_write_message");
 168
 169     data.data   = "hemligt";
 170     data.length = 7;
 171
 172     krb5_data_free (&packet);
 173
 174     status = krb5_mk_priv (context,
 175                            auth_context,
 176                            &data,
 177                            &packet,
 178                            NULL);
 179     if (status)
 180         krb5_err(context, 1, status, "krb5_mk_priv");
 181
 182     status = krb5_write_message(context, &sock, &packet);
 183     if(status)
 184         krb5_err(context, 1, status, "krb5_write_message");
 185     return 0;
 186 }
 187
 188 int
 189 main(int argc, char **argv)
 190 {
 191     int port = client_setup(&context, &argc, argv);
 192     return client_doit (argv[argc], port, service, proto);
 193 }