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

   1 /*
   2  * Copyright (c) 1997 - 2000, 2007 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_server.c 20880 2007-06-04 16:55:00Z lha $"
  36         "$NetBSD$");
  37
  38 krb5_context context;
  39
  40 static int
  41 proto (int sock, const char *service)
  42 {
  43     struct sockaddr_in remote, local;
  44     socklen_t addrlen;
  45     krb5_address remote_addr, local_addr;
  46     krb5_ccache ccache;
  47     krb5_auth_context auth_context;
  48     krb5_error_code status;
  49     krb5_data packet;
  50     krb5_data data;
  51     krb5_data client_name;
  52     krb5_creds in_creds, *out_creds;
  53
  54     addrlen = sizeof(local);
  55     if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
  56         || addrlen != sizeof(local))
  57         err (1, "getsockname)");
  58
  59     addrlen = sizeof(remote);
  60     if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
  61         || addrlen != sizeof(remote))
  62         err (1, "getpeername");
  63
  64     status = krb5_auth_con_init (context, &auth_context);
  65     if (status)
  66         errx (1, "krb5_auth_con_init: %s",
  67               krb5_get_err_text(context, status));
  68
  69     local_addr.addr_type = AF_INET;
  70     local_addr.address.length = sizeof(local.sin_addr);
  71     local_addr.address.data   = &local.sin_addr;
  72
  73     remote_addr.addr_type = AF_INET;
  74     remote_addr.address.length = sizeof(remote.sin_addr);
  75     remote_addr.address.data   = &remote.sin_addr;
  76
  77     status = krb5_auth_con_setaddrs (context,
  78                                      auth_context,
  79                                      &local_addr,
  80                                      &remote_addr);
  81     if (status)
  82         errx (1, "krb5_auth_con_setaddr: %s",
  83               krb5_get_err_text(context, status));
  84
  85     status = krb5_read_message(context, &sock, &client_name);
  86     if(status)
  87         krb5_err(context, 1, status, "krb5_read_message");
  88
  89     memset(&in_creds, 0, sizeof(in_creds));
  90     status = krb5_cc_default(context, &ccache);
  91     status = krb5_cc_get_principal(context, ccache, &in_creds.client);
  92
  93     status = krb5_read_message(context, &sock, &in_creds.second_ticket);
  94     if(status)
  95         krb5_err(context, 1, status, "krb5_read_message");
  96
  97     status = krb5_parse_name(context, client_name.data, &in_creds.server);
  98     if(status)
  99         krb5_err(context, 1, status, "krb5_parse_name");
 100
 101     status = krb5_get_credentials(context, KRB5_GC_USER_USER, ccache,
 102                                   &in_creds, &out_creds);
 103     if(status)
 104         krb5_err(context, 1, status, "krb5_get_credentials");
 105
 106     status = krb5_cc_default(context, &ccache);
 107
 108     status = krb5_sendauth(context,
 109                            &auth_context,
 110                            &sock,
 111                            VERSION,
 112                            in_creds.client,
 113                            in_creds.server,
 114                            AP_OPTS_USE_SESSION_KEY,
 115                            NULL,
 116                            out_creds,
 117                            ccache,
 118                            NULL,
 119                            NULL,
 120                            NULL);
 121
 122     if (status)
 123         krb5_err(context, 1, status, "krb5_sendauth");
 124
 125     {
 126         char *str;
 127         krb5_unparse_name(context, in_creds.server, &str);
 128         printf ("User is `%s'\n", str);
 129         free(str);
 130         krb5_unparse_name(context, in_creds.client, &str);
 131         printf ("Server is `%s'\n", str);
 132         free(str);
 133     }
 134
 135     krb5_data_zero (&data);
 136     krb5_data_zero (&packet);
 137
 138     status = krb5_read_message(context, &sock, &packet);
 139     if(status)
 140         krb5_err(context, 1, status, "krb5_read_message");
 141
 142     status = krb5_rd_safe (context,
 143                            auth_context,
 144                            &packet,
 145                            &data,
 146                            NULL);
 147     if (status)
 148         errx (1, "krb5_rd_safe: %s",
 149               krb5_get_err_text(context, status));
 150
 151     printf ("safe packet: %.*s\n", (int)data.length,
 152             (char *)data.data);
 153
 154     status = krb5_read_message(context, &sock, &packet);
 155     if(status)
 156         krb5_err(context, 1, status, "krb5_read_message");
 157
 158     status = krb5_rd_priv (context,
 159                            auth_context,
 160                            &packet,
 161                            &data,
 162                            NULL);
 163     if (status)
 164         errx (1, "krb5_rd_priv: %s",
 165               krb5_get_err_text(context, status));
 166
 167     printf ("priv packet: %.*s\n", (int)data.length,
 168             (char *)data.data);
 169
 170     return 0;
 171 }
 172
 173 static int
 174 doit (int port, const char *service)
 175 {
 176     int sock, sock2;
 177     struct sockaddr_in my_addr;
 178     int one = 1;
 179
 180     sock = socket (AF_INET, SOCK_STREAM, 0);
 181     if (sock < 0)
 182         err (1, "socket");
 183
 184     memset (&my_addr, 0, sizeof(my_addr));
 185     my_addr.sin_family      = AF_INET;
 186     my_addr.sin_port        = port;
 187     my_addr.sin_addr.s_addr = INADDR_ANY;
 188
 189     if (setsockopt (sock, SOL_SOCKET, SO_REUSEADDR,
 190                     (void *)&one, sizeof(one)) < 0)
 191         warn ("setsockopt SO_REUSEADDR");
 192
 193     if (bind (sock, (struct sockaddr *)&my_addr, sizeof(my_addr)) < 0)
 194         err (1, "bind");
 195
 196     if (listen (sock, 1) < 0)
 197         err (1, "listen");
 198
 199     sock2 = accept (sock, NULL, NULL);
 200     if (sock2 < 0)
 201         err (1, "accept");
 202
 203     return proto (sock2, service);
 204 }
 205
 206 int
 207 main(int argc, char **argv)
 208 {
 209     int port = server_setup(&context, argc, argv);
 210     return doit (port, service);
 211 }