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("$Id$");
36
37 krb5_context context;
38
39 static int
proto(int sock,const char * service)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 krb5_err(context, 1, status, "krb5_auth_con_init");
66
67 local_addr.addr_type = AF_INET;
68 local_addr.address.length = sizeof(local.sin_addr);
69 local_addr.address.data = &local.sin_addr;
70
71 remote_addr.addr_type = AF_INET;
72 remote_addr.address.length = sizeof(remote.sin_addr);
73 remote_addr.address.data = &remote.sin_addr;
74
75 status = krb5_auth_con_setaddrs (context,
76 auth_context,
77 &local_addr,
78 &remote_addr);
79 if (status)
80 krb5_err(context, 1, status, "krb5_auth_con_setaddr");
81
82 status = krb5_read_message(context, &sock, &client_name);
83 if(status)
84 krb5_err(context, 1, status, "krb5_read_message");
85
86 memset(&in_creds, 0, sizeof(in_creds));
87 status = krb5_cc_default(context, &ccache);
88 if(status)
89 krb5_err(context, 1, status, "krb5_cc_default");
90 status = krb5_cc_get_principal(context, ccache, &in_creds.client);
91 if(status)
92 krb5_err(context, 1, status, "krb5_cc_get_principal");
93
94 status = krb5_read_message(context, &sock, &in_creds.second_ticket);
95 if(status)
96 krb5_err(context, 1, status, "krb5_read_message");
97
98 status = krb5_parse_name(context, client_name.data, &in_creds.server);
99 if(status)
100 krb5_err(context, 1, status, "krb5_parse_name");
101
102 status = krb5_get_credentials(context, KRB5_GC_USER_USER, ccache,
103 &in_creds, &out_creds);
104 if(status)
105 krb5_err(context, 1, status, "krb5_get_credentials");
106
107 status = krb5_cc_default(context, &ccache);
108 if(status)
109 krb5_err(context, 1, status, "krb5_cc_default");
110
111 status = krb5_sendauth(context,
112 &auth_context,
113 &sock,
114 VERSION,
115 in_creds.client,
116 in_creds.server,
117 AP_OPTS_USE_SESSION_KEY,
118 NULL,
119 out_creds,
120 ccache,
121 NULL,
122 NULL,
123 NULL);
124
125 if (status)
126 krb5_err(context, 1, status, "krb5_sendauth");
127
128 {
129 char *str;
130 krb5_unparse_name(context, in_creds.server, &str);
131 printf ("User is `%s'\n", str);
132 free(str);
133 krb5_unparse_name(context, in_creds.client, &str);
134 printf ("Server is `%s'\n", str);
135 free(str);
136 }
137
138 krb5_data_zero (&data);
139 krb5_data_zero (&packet);
140
141 status = krb5_read_message(context, &sock, &packet);
142 if(status)
143 krb5_err(context, 1, status, "krb5_read_message");
144
145 status = krb5_rd_safe (context,
146 auth_context,
147 &packet,
148 &data,
149 NULL);
150 if (status)
151 krb5_err(context, 1, status, "krb5_rd_safe");
152
153 printf ("safe packet: %.*s\n", (int)data.length,
154 (char *)data.data);
155
156 status = krb5_read_message(context, &sock, &packet);
157 if(status)
158 krb5_err(context, 1, status, "krb5_read_message");
159
160 status = krb5_rd_priv (context,
161 auth_context,
162 &packet,
163 &data,
164 NULL);
165 if (status)
166 krb5_err(context, 1, status, "krb5_rd_priv");
167
168 printf ("priv packet: %.*s\n", (int)data.length,
169 (char *)data.data);
170
171 return 0;
172 }
173
174 static int
doit(int port,const char * service)175 doit (int port, const char *service)
176 {
177 int sock, sock2;
178 struct sockaddr_in my_addr;
179 int one = 1;
180
181 sock = socket (AF_INET, SOCK_STREAM, 0);
182 if (sock < 0)
183 err (1, "socket");
184
185 memset (&my_addr, 0, sizeof(my_addr));
186 my_addr.sin_family = AF_INET;
187 my_addr.sin_port = port;
188 my_addr.sin_addr.s_addr = INADDR_ANY;
189
190 if (setsockopt (sock, SOL_SOCKET, SO_REUSEADDR,
191 (void *)&one, sizeof(one)) < 0)
192 warn ("setsockopt SO_REUSEADDR");
193
194 if (bind (sock, (struct sockaddr *)&my_addr, sizeof(my_addr)) < 0)
195 err (1, "bind");
196
197 if (listen (sock, 1) < 0)
198 err (1, "listen");
199
200 sock2 = accept (sock, NULL, NULL);
201 if (sock2 < 0)
202 err (1, "accept");
203
204 return proto (sock2, service);
205 }
206
207 int
main(int argc,char ** argv)208 main(int argc, char **argv)
209 {
210 int port = server_setup(&context, argc, argv);
211 return doit (port, service);
212 }
213