crypto/dist/heimdal/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("$Heimdal: uu_client.c 14719 2005-04-03 19:53:32Z lha $"
  36         "$NetBSD$");
  37
  38 krb5_context context;
  39
  40 static int
  41 proto (int sock, const char *hostname, const char *service)
  42 {
  43     struct sockaddr_in remote, local;
  44     socklen_t addrlen;
  45     krb5_address remote_addr, local_addr;
  46     krb5_context context;
  47     krb5_ccache ccache;
  48     krb5_auth_context auth_context;
  49     krb5_error_code status;
  50     krb5_principal client;
  51     krb5_data data;
  52     krb5_data packet;
  53     krb5_creds mcred, cred;
  54     krb5_ticket *ticket;
  55
  56     addrlen = sizeof(local);
  57     if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
  58         || addrlen != sizeof(local))
  59         err (1, "getsockname(%s)", hostname);
  60
  61     addrlen = sizeof(remote);
  62     if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
  63         || addrlen != sizeof(remote))
  64         err (1, "getpeername(%s)", hostname);
  65
  66     status = krb5_init_context(&context);
  67     if (status)
  68         errx(1, "krb5_init_context failed: %d", status);
  69
  70     status = krb5_cc_default (context, &ccache);
  71     if (status)
  72         krb5_err(context, 1, status, "krb5_cc_default");
  73
  74     status = krb5_auth_con_init (context, &auth_context);
  75     if (status)
  76         krb5_err(context, 1, status, "krb5_auth_con_init");
  77
  78     local_addr.addr_type = AF_INET;
  79     local_addr.address.length = sizeof(local.sin_addr);
  80     local_addr.address.data   = &local.sin_addr;
  81
  82     remote_addr.addr_type = AF_INET;
  83     remote_addr.address.length = sizeof(remote.sin_addr);
  84     remote_addr.address.data   = &remote.sin_addr;
  85
  86     status = krb5_auth_con_setaddrs (context,
  87                                      auth_context,
  88                                      &local_addr,
  89                                      &remote_addr);
  90     if (status)
  91         krb5_err(context, 1, status, "krb5_auth_con_setaddr");
  92
  93     krb5_cc_clear_mcred(&mcred);
  94
  95     status = krb5_cc_get_principal(context, ccache, &client);
  96     if(status)
  97         krb5_err(context, 1, status, "krb5_cc_get_principal");
  98     status = krb5_make_principal(context, &mcred.server,
  99                                  *krb5_princ_realm(context, client),
 100                                  "krbtgt",
 101                                  *krb5_princ_realm(context, client),
 102                                  NULL);
 103     if(status)
 104         krb5_err(context, 1, status, "krb5_make_principal");
 105     mcred.client = client;
 106
 107     status = krb5_cc_retrieve_cred(context, ccache, 0, &mcred, &cred);
 108     if(status)
 109         krb5_err(context, 1, status, "krb5_cc_retrieve_cred");
 110
 111     {
 112         char *client_name;
 113         krb5_data data;
 114         status = krb5_unparse_name(context, cred.client, &client_name);
 115         if(status)
 116             krb5_err(context, 1, status, "krb5_unparse_name");
 117         data.data = client_name;
 118         data.length = strlen(client_name) + 1;
 119         status = krb5_write_message(context, &sock, &data);
 120         if(status)
 121             krb5_err(context, 1, status, "krb5_write_message");
 122         free(client_name);
 123     }
 124
 125     status = krb5_write_message(context, &sock, &cred.ticket);
 126     if(status)
 127         krb5_err(context, 1, status, "krb5_write_message");
 128
 129     status = krb5_auth_con_setuserkey(context, auth_context, &cred.session);
 130     if(status)
 131         krb5_err(context, 1, status, "krb5_auth_con_setuserkey");
 132
 133     status = krb5_recvauth(context, &auth_context, &sock,
 134                            VERSION, client, 0, NULL, &ticket);
 135
 136     if (status)
 137         krb5_err(context, 1, status, "krb5_recvauth");
 138
 139     if (ticket->ticket.authorization_data) {
 140         AuthorizationData *authz;
 141         int i;
 142
 143         printf("Authorization data:\n");
 144
 145         authz = ticket->ticket.authorization_data;
 146         for (i = 0; i < authz->len; i++) {
 147             printf("\ttype %d, length %lu\n",
 148                    authz->val[i].ad_type,
 149                    (unsigned long)authz->val[i].ad_data.length);
 150         }
 151     }
 152
 153     data.data   = "hej";
 154     data.length = 3;
 155
 156     krb5_data_zero (&packet);
 157
 158     status = krb5_mk_safe (context,
 159                            auth_context,
 160                            &data,
 161                            &packet,
 162                            NULL);
 163     if (status)
 164         krb5_err(context, 1, status, "krb5_mk_safe");
 165
 166     status = krb5_write_message(context, &sock, &packet);
 167     if(status)
 168         krb5_err(context, 1, status, "krb5_write_message");
 169
 170     data.data   = "hemligt";
 171     data.length = 7;
 172
 173     krb5_data_free (&packet);
 174
 175     status = krb5_mk_priv (context,
 176                            auth_context,
 177                            &data,
 178                            &packet,
 179                            NULL);
 180     if (status)
 181         krb5_err(context, 1, status, "krb5_mk_priv");
 182
 183     status = krb5_write_message(context, &sock, &packet);
 184     if(status)
 185         krb5_err(context, 1, status, "krb5_write_message");
 186     return 0;
 187 }
 188
 189 int
 190 main(int argc, char **argv)
 191 {
 192     int port = client_setup(&context, &argc, argv);
 193     return client_doit (argv[argc], port, service, proto);
 194 }