xref: /freebsd/crypto/heimdal/appl/test/uu_server.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*
2  * Copyright (c) 1997 - 1999 Kungliga Tekniska H�gskolan
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: uu_server.c,v 1.7 2000/08/09 20:53:08 assar Exp $");
36 
37 krb5_context context;
38 
39 static int
40 proto (int sock, const char *service)
41 {
42     struct sockaddr_in remote, local;
43     socklen_t addrlen;
44     krb5_address remote_addr, local_addr;
45     krb5_ccache ccache;
46     krb5_auth_context auth_context;
47     krb5_error_code status;
48     krb5_data packet;
49     krb5_data data;
50     krb5_data client_name;
51     krb5_creds in_creds, *out_creds;
52 
53     addrlen = sizeof(local);
54     if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
55 	|| addrlen != sizeof(local))
56 	err (1, "getsockname)");
57 
58     addrlen = sizeof(remote);
59     if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
60 	|| addrlen != sizeof(remote))
61 	err (1, "getpeername");
62 
63     status = krb5_auth_con_init (context, &auth_context);
64     if (status)
65 	errx (1, "krb5_auth_con_init: %s",
66 	      krb5_get_err_text(context, status));
67 
68     local_addr.addr_type = AF_INET;
69     local_addr.address.length = sizeof(local.sin_addr);
70     local_addr.address.data   = &local.sin_addr;
71 
72     remote_addr.addr_type = AF_INET;
73     remote_addr.address.length = sizeof(remote.sin_addr);
74     remote_addr.address.data   = &remote.sin_addr;
75 
76     status = krb5_auth_con_setaddrs (context,
77 				     auth_context,
78 				     &local_addr,
79 				     &remote_addr);
80     if (status)
81 	errx (1, "krb5_auth_con_setaddr: %s",
82 	      krb5_get_err_text(context, status));
83 
84     status = krb5_read_message(context, &sock, &client_name);
85     if(status)
86 	krb5_err(context, 1, status, "krb5_read_message");
87 
88     memset(&in_creds, 0, sizeof(in_creds));
89     status = krb5_cc_default(context, &ccache);
90     status = krb5_cc_get_principal(context, ccache, &in_creds.client);
91 
92     status = krb5_read_message(context, &sock, &in_creds.second_ticket);
93     if(status)
94 	krb5_err(context, 1, status, "krb5_read_message");
95 
96     status = krb5_parse_name(context, client_name.data, &in_creds.server);
97     if(status)
98 	krb5_err(context, 1, status, "krb5_parse_name");
99 
100     status = krb5_get_credentials(context, KRB5_GC_USER_USER, ccache,
101 				  &in_creds, &out_creds);
102     if(status)
103 	krb5_err(context, 1, status, "krb5_get_credentials");
104 
105     status = krb5_cc_default(context, &ccache);
106 
107     status = krb5_sendauth(context,
108 			   &auth_context,
109 			   &sock,
110 			   VERSION,
111 			   in_creds.client,
112 			   in_creds.server,
113 			   AP_OPTS_USE_SESSION_KEY,
114 			   NULL,
115 			   out_creds,
116 			   ccache,
117 			   NULL,
118 			   NULL,
119 			   NULL);
120 
121     if (status)
122 	krb5_err(context, 1, status, "krb5_sendauth");
123 
124     fprintf (stderr, "User is `%.*s'\n", (int)client_name.length,
125 	    (char *)client_name.data);
126 
127     krb5_data_zero (&data);
128     krb5_data_zero (&packet);
129 
130     status = krb5_read_message(context, &sock, &packet);
131     if(status)
132 	krb5_err(context, 1, status, "krb5_read_message");
133 
134     status = krb5_rd_safe (context,
135 			   auth_context,
136 			   &packet,
137 			   &data,
138 			   NULL);
139     if (status)
140 	errx (1, "krb5_rd_safe: %s",
141 	      krb5_get_err_text(context, status));
142 
143     fprintf (stderr, "safe packet: %.*s\n", (int)data.length,
144 	    (char *)data.data);
145 
146     status = krb5_read_message(context, &sock, &packet);
147     if(status)
148 	krb5_err(context, 1, status, "krb5_read_message");
149 
150     status = krb5_rd_priv (context,
151 			   auth_context,
152 			   &packet,
153 			   &data,
154 			   NULL);
155     if (status)
156 	errx (1, "krb5_rd_priv: %s",
157 	      krb5_get_err_text(context, status));
158 
159     fprintf (stderr, "priv packet: %.*s\n", (int)data.length,
160 	    (char *)data.data);
161 
162     return 0;
163 }
164 
165 static int
166 doit (int port, const char *service)
167 {
168     int sock, sock2;
169     struct sockaddr_in my_addr;
170     int one = 1;
171 
172     sock = socket (AF_INET, SOCK_STREAM, 0);
173     if (sock < 0)
174 	err (1, "socket");
175 
176     memset (&my_addr, 0, sizeof(my_addr));
177     my_addr.sin_family      = AF_INET;
178     my_addr.sin_port        = port;
179     my_addr.sin_addr.s_addr = INADDR_ANY;
180 
181     if (setsockopt (sock, SOL_SOCKET, SO_REUSEADDR,
182 		    (void *)&one, sizeof(one)) < 0)
183 	warn ("setsockopt SO_REUSEADDR");
184 
185     if (bind (sock, (struct sockaddr *)&my_addr, sizeof(my_addr)) < 0)
186 	err (1, "bind");
187 
188     if (listen (sock, 1) < 0)
189 	err (1, "listen");
190 
191     sock2 = accept (sock, NULL, NULL);
192     if (sock2 < 0)
193 	err (1, "accept");
194 
195     return proto (sock2, service);
196 }
197 
198 int
199 main(int argc, char **argv)
200 {
201     int port = server_setup(&context, argc, argv);
202     return doit (port, service);
203 }
204