source: heimdal/trunk/appl/test/gssapi_client.c

Last change on this file was 1, checked in by Paul Smedley, 10 years ago

Initial commit of Heimdal 1.5.3
File size: 7.7 KB
Line 
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#include <gssapi/gssapi.h>
36#include <gssapi/gssapi_krb5.h>
37#include <gssapi/gssapi_spnego.h>
38#include "gss_common.h"
39RCSID("$Id$");
40
41static int
42do_trans (int sock, gss_ctx_id_t context_hdl)
43{
44 OM_uint32 maj_stat, min_stat;
45 gss_buffer_desc real_input_token, real_output_token;
46 gss_buffer_t input_token = &real_input_token,
47 output_token = &real_output_token;
48
49 /* get_mic */
50
51 input_token->length = 3;
52 input_token->value = strdup("hej");
53
54 maj_stat = gss_get_mic(&min_stat,
55 context_hdl,
56 GSS_C_QOP_DEFAULT,
57 input_token,
58 output_token);
59 if (GSS_ERROR(maj_stat))
60 gss_err (1, min_stat, "gss_get_mic");
61
62 write_token (sock, input_token);
63 write_token (sock, output_token);
64
65 /* wrap */
66
67 input_token->length = 7;
68 input_token->value = "hemligt";
69
70 maj_stat = gss_wrap (&min_stat,
71 context_hdl,
72 0,
73 GSS_C_QOP_DEFAULT,
74 input_token,
75 NULL,
76 output_token);
77 if (GSS_ERROR(maj_stat))
78 gss_err (1, min_stat, "gss_wrap");
79
80 write_token (sock, output_token);
81
82 maj_stat = gss_wrap (&min_stat,
83 context_hdl,
84 1,
85 GSS_C_QOP_DEFAULT,
86 input_token,
87 NULL,
88 output_token);
89 if (GSS_ERROR(maj_stat))
90 gss_err (1, min_stat, "gss_wrap");
91
92 write_token (sock, output_token);
93
94 return 0;
95}
96
97extern char *password;
98
99static int
100proto (int sock, const char *hostname, const char *service)
101{
102 struct sockaddr_storage remote, local;
103 socklen_t addrlen;
104
105 int context_established = 0;
106 gss_ctx_id_t context_hdl = GSS_C_NO_CONTEXT;
107 gss_cred_id_t cred = GSS_C_NO_CREDENTIAL;
108 gss_buffer_desc real_input_token, real_output_token;
109 gss_buffer_t input_token = &real_input_token,
110 output_token = &real_output_token;
111 OM_uint32 maj_stat, min_stat;
112 gss_name_t server;
113 gss_buffer_desc name_token;
114 u_char init_buf[4];
115 u_char acct_buf[4];
116 gss_OID mech_oid;
117 char *str;
118
119 mech_oid = select_mech(mech);
120
121 name_token.length = asprintf (&str,
122 "%s@%s", service, hostname);
123 if (str == NULL)
124 errx(1, "malloc - out of memory");
125 name_token.value = str;
126
127 maj_stat = gss_import_name (&min_stat,
128 &name_token,
129 GSS_C_NT_HOSTBASED_SERVICE,
130 &server);
131 if (GSS_ERROR(maj_stat))
132 gss_err (1, min_stat,
133 "Error importing name `%s@%s':\n", service, hostname);
134
135 if (password) {
136 gss_buffer_desc pw;
137
138 pw.value = password;
139 pw.length = strlen(password);
140
141 maj_stat = gss_acquire_cred_with_password(&min_stat,
142 GSS_C_NO_NAME,
143 &pw,
144 GSS_C_INDEFINITE,
145 GSS_C_NO_OID_SET,
146 GSS_C_INITIATE,
147 &cred,
148 NULL,
149 NULL);
150 if (GSS_ERROR(maj_stat))
151 gss_err (1, min_stat,
152 "Error acquiring default initiator credentials");
153 }
154
155 addrlen = sizeof(local);
156 if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
157 || addrlen > sizeof(local))
158 err (1, "getsockname(%s)", hostname);
159
160 addrlen = sizeof(remote);
161 if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
162 || addrlen > sizeof(remote))
163 err (1, "getpeername(%s)", hostname);
164
165 input_token->length = 0;
166 output_token->length = 0;
167
168#if 0
169 struct gss_channel_bindings_struct input_chan_bindings;
170
171 input_chan_bindings.initiator_addrtype = GSS_C_AF_INET;
172 input_chan_bindings.initiator_address.length = 4;
173 init_buf[0] = (local.sin_addr.s_addr >> 24) & 0xFF;
174 init_buf[1] = (local.sin_addr.s_addr >> 16) & 0xFF;
175 init_buf[2] = (local.sin_addr.s_addr >> 8) & 0xFF;
176 init_buf[3] = (local.sin_addr.s_addr >> 0) & 0xFF;
177 input_chan_bindings.initiator_address.value = init_buf;
178
179 input_chan_bindings.acceptor_addrtype = GSS_C_AF_INET;
180 input_chan_bindings.acceptor_address.length = 4;
181 acct_buf[0] = (remote.sin_addr.s_addr >> 24) & 0xFF;
182 acct_buf[1] = (remote.sin_addr.s_addr >> 16) & 0xFF;
183 acct_buf[2] = (remote.sin_addr.s_addr >> 8) & 0xFF;
184 acct_buf[3] = (remote.sin_addr.s_addr >> 0) & 0xFF;
185 input_chan_bindings.acceptor_address.value = acct_buf;
186
187 input_chan_bindings.application_data.value = emalloc(4);
188 * (unsigned short*)input_chan_bindings.application_data.value = local.sin_port;
189 * ((unsigned short *)input_chan_bindings.application_data.value + 1) = remote.sin_port;
190 input_chan_bindings.application_data.length = 4;
191
192 input_chan_bindings.application_data.length = 0;
193 input_chan_bindings.application_data.value = NULL;
194#endif
195
196 while(!context_established) {
197 maj_stat =
198 gss_init_sec_context(&min_stat,
199 cred,
200 &context_hdl,
201 server,
202 mech_oid,
203 GSS_C_MUTUAL_FLAG | GSS_C_SEQUENCE_FLAG,
204 0,
205 NULL,
206 input_token,
207 NULL,
208 output_token,
209 NULL,
210 NULL);
211 if (GSS_ERROR(maj_stat))
212 gss_err (1, min_stat, "gss_init_sec_context");
213 if (output_token->length != 0)
214 write_token (sock, output_token);
215 if (GSS_ERROR(maj_stat)) {
216 if (context_hdl != GSS_C_NO_CONTEXT)
217 gss_delete_sec_context (&min_stat,
218 &context_hdl,
219 GSS_C_NO_BUFFER);
220 break;
221 }
222 if (maj_stat & GSS_S_CONTINUE_NEEDED) {
223 read_token (sock, input_token);
224 } else {
225 context_established = 1;
226 }
227
228 }
229 if (fork_flag) {
230 pid_t pid;
231 int pipefd[2];
232
233 if (pipe (pipefd) < 0)
234 err (1, "pipe");
235
236 pid = fork ();
237 if (pid < 0)
238 err (1, "fork");
239 if (pid != 0) {
240 gss_buffer_desc buf;
241
242 maj_stat = gss_export_sec_context (&min_stat,
243 &context_hdl,
244 &buf);
245 if (GSS_ERROR(maj_stat))
246 gss_err (1, min_stat, "gss_export_sec_context");
247 write_token (pipefd[1], &buf);
248 exit (0);
249 } else {
250 gss_ctx_id_t context_hdl;
251 gss_buffer_desc buf;
252
253 close (pipefd[1]);
254 read_token (pipefd[0], &buf);
255 close (pipefd[0]);
256 maj_stat = gss_import_sec_context (&min_stat, &buf, &context_hdl);
257 if (GSS_ERROR(maj_stat))
258 gss_err (1, min_stat, "gss_import_sec_context");
259 gss_release_buffer (&min_stat, &buf);
260 return do_trans (sock, context_hdl);
261 }
262 } else {
263 return do_trans (sock, context_hdl);
264 }
265}
266
267int
268main(int argc, char **argv)
269{
270 krb5_context context; /* XXX */
271 int port = client_setup(&context, &argc, argv);
272 return client_doit (argv[argc], port, service, proto);
273}
Note: See TracBrowser for help on using the repository browser.