1c19800e8SDoug Rabson /*
2*ae771770SStanislav Sedov * Copyright (c) 2006 Kungliga Tekniska Högskolan
3c19800e8SDoug Rabson * (Royal Institute of Technology, Stockholm, Sweden).
4c19800e8SDoug Rabson * All rights reserved.
5c19800e8SDoug Rabson *
6c19800e8SDoug Rabson * Redistribution and use in source and binary forms, with or without
7c19800e8SDoug Rabson * modification, are permitted provided that the following conditions
8c19800e8SDoug Rabson * are met:
9c19800e8SDoug Rabson *
10c19800e8SDoug Rabson * 1. Redistributions of source code must retain the above copyright
11c19800e8SDoug Rabson * notice, this list of conditions and the following disclaimer.
12c19800e8SDoug Rabson *
13c19800e8SDoug Rabson * 2. Redistributions in binary form must reproduce the above copyright
14c19800e8SDoug Rabson * notice, this list of conditions and the following disclaimer in the
15c19800e8SDoug Rabson * documentation and/or other materials provided with the distribution.
16c19800e8SDoug Rabson *
17c19800e8SDoug Rabson * 3. Neither the name of KTH nor the names of its contributors may be
18c19800e8SDoug Rabson * used to endorse or promote products derived from this software without
19c19800e8SDoug Rabson * specific prior written permission.
20c19800e8SDoug Rabson *
21c19800e8SDoug Rabson * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22c19800e8SDoug Rabson * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23c19800e8SDoug Rabson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24c19800e8SDoug Rabson * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25c19800e8SDoug Rabson * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26c19800e8SDoug Rabson * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27c19800e8SDoug Rabson * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28c19800e8SDoug Rabson * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29c19800e8SDoug Rabson * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30c19800e8SDoug Rabson * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31c19800e8SDoug Rabson * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32c19800e8SDoug Rabson */
33c19800e8SDoug Rabson
34c19800e8SDoug Rabson #ifdef HAVE_CONFIG_H
35c19800e8SDoug Rabson #include <config.h>
36c19800e8SDoug Rabson #endif
37c19800e8SDoug Rabson
38*ae771770SStanislav Sedov #include <roken.h>
39c19800e8SDoug Rabson #include <stdio.h>
40c19800e8SDoug Rabson #include <stdlib.h>
41c19800e8SDoug Rabson #include <string.h>
42c19800e8SDoug Rabson #include <stdarg.h>
43c19800e8SDoug Rabson #include <gssapi.h>
44*ae771770SStanislav Sedov #include <gssapi_krb5.h>
45*ae771770SStanislav Sedov #include <gssapi_spnego.h>
46c19800e8SDoug Rabson #include <err.h>
47c19800e8SDoug Rabson #include <getarg.h>
48c19800e8SDoug Rabson
49c19800e8SDoug Rabson static void
gss_print_errors(int min_stat)50c19800e8SDoug Rabson gss_print_errors (int min_stat)
51c19800e8SDoug Rabson {
52c19800e8SDoug Rabson OM_uint32 new_stat;
53c19800e8SDoug Rabson OM_uint32 msg_ctx = 0;
54c19800e8SDoug Rabson gss_buffer_desc status_string;
55c19800e8SDoug Rabson OM_uint32 ret;
56c19800e8SDoug Rabson
57c19800e8SDoug Rabson do {
58c19800e8SDoug Rabson ret = gss_display_status (&new_stat,
59c19800e8SDoug Rabson min_stat,
60c19800e8SDoug Rabson GSS_C_MECH_CODE,
61c19800e8SDoug Rabson GSS_C_NO_OID,
62c19800e8SDoug Rabson &msg_ctx,
63c19800e8SDoug Rabson &status_string);
64c19800e8SDoug Rabson if (!GSS_ERROR(ret)) {
65*ae771770SStanislav Sedov fprintf (stderr, "%.*s\n", (int)status_string.length,
66*ae771770SStanislav Sedov (char *)status_string.value);
67c19800e8SDoug Rabson gss_release_buffer (&new_stat, &status_string);
68c19800e8SDoug Rabson }
69c19800e8SDoug Rabson } while (!GSS_ERROR(ret) && msg_ctx != 0);
70c19800e8SDoug Rabson }
71c19800e8SDoug Rabson
72c19800e8SDoug Rabson static void
gss_err(int exitval,int status,const char * fmt,...)73c19800e8SDoug Rabson gss_err(int exitval, int status, const char *fmt, ...)
74c19800e8SDoug Rabson {
75c19800e8SDoug Rabson va_list args;
76c19800e8SDoug Rabson
77c19800e8SDoug Rabson va_start(args, fmt);
78c19800e8SDoug Rabson vwarnx (fmt, args);
79c19800e8SDoug Rabson gss_print_errors (status);
80c19800e8SDoug Rabson va_end(args);
81c19800e8SDoug Rabson exit (exitval);
82c19800e8SDoug Rabson }
83c19800e8SDoug Rabson
84c19800e8SDoug Rabson static int version_flag = 0;
85c19800e8SDoug Rabson static int help_flag = 0;
86c19800e8SDoug Rabson
87c19800e8SDoug Rabson static struct getargs args[] = {
88c19800e8SDoug Rabson {"version", 0, arg_flag, &version_flag, "print version", NULL },
89c19800e8SDoug Rabson {"help", 0, arg_flag, &help_flag, NULL, NULL }
90c19800e8SDoug Rabson };
91c19800e8SDoug Rabson
92c19800e8SDoug Rabson static void
usage(int ret)93c19800e8SDoug Rabson usage (int ret)
94c19800e8SDoug Rabson {
95c19800e8SDoug Rabson arg_printusage (args, sizeof(args)/sizeof(*args),
96c19800e8SDoug Rabson NULL, "service@host");
97c19800e8SDoug Rabson exit (ret);
98c19800e8SDoug Rabson }
99c19800e8SDoug Rabson
100c19800e8SDoug Rabson
101c19800e8SDoug Rabson int
main(int argc,char ** argv)102c19800e8SDoug Rabson main(int argc, char **argv)
103c19800e8SDoug Rabson {
104c19800e8SDoug Rabson gss_buffer_desc name_buffer;
105c19800e8SDoug Rabson OM_uint32 maj_stat, min_stat;
106c19800e8SDoug Rabson gss_name_t name, MNname, MNname2;
107c19800e8SDoug Rabson int optidx = 0;
108c19800e8SDoug Rabson char *str;
109c19800e8SDoug Rabson int len, equal;
110c19800e8SDoug Rabson
111c19800e8SDoug Rabson setprogname(argv[0]);
112c19800e8SDoug Rabson if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
113c19800e8SDoug Rabson usage(1);
114c19800e8SDoug Rabson
115c19800e8SDoug Rabson if (help_flag)
116c19800e8SDoug Rabson usage (0);
117c19800e8SDoug Rabson
118c19800e8SDoug Rabson if(version_flag){
119c19800e8SDoug Rabson print_version(NULL);
120c19800e8SDoug Rabson exit(0);
121c19800e8SDoug Rabson }
122c19800e8SDoug Rabson
123c19800e8SDoug Rabson argc -= optidx;
124c19800e8SDoug Rabson argv += optidx;
125c19800e8SDoug Rabson
126*ae771770SStanislav Sedov gsskrb5_set_default_realm("MIT.EDU");
127*ae771770SStanislav Sedov
128c19800e8SDoug Rabson /*
129c19800e8SDoug Rabson * test import/export
130c19800e8SDoug Rabson */
131c19800e8SDoug Rabson
132*ae771770SStanislav Sedov str = NULL;
133c19800e8SDoug Rabson len = asprintf(&str, "ftp@freeze-arrow.mit.edu");
134*ae771770SStanislav Sedov if (len < 0 || str == NULL)
135c19800e8SDoug Rabson errx(1, "asprintf");
136c19800e8SDoug Rabson
137c19800e8SDoug Rabson name_buffer.value = str;
138c19800e8SDoug Rabson name_buffer.length = len;
139c19800e8SDoug Rabson
140c19800e8SDoug Rabson maj_stat = gss_import_name(&min_stat, &name_buffer,
141c19800e8SDoug Rabson GSS_C_NT_HOSTBASED_SERVICE,
142c19800e8SDoug Rabson &name);
143c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
144c19800e8SDoug Rabson gss_err(1, min_stat, "import name error");
145c19800e8SDoug Rabson free(str);
146c19800e8SDoug Rabson
147c19800e8SDoug Rabson maj_stat = gss_canonicalize_name (&min_stat,
148c19800e8SDoug Rabson name,
149c19800e8SDoug Rabson GSS_KRB5_MECHANISM,
150c19800e8SDoug Rabson &MNname);
151c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
152c19800e8SDoug Rabson gss_err(1, min_stat, "canonicalize name error");
153c19800e8SDoug Rabson
154c19800e8SDoug Rabson maj_stat = gss_export_name(&min_stat,
155c19800e8SDoug Rabson MNname,
156c19800e8SDoug Rabson &name_buffer);
157c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
158c19800e8SDoug Rabson gss_err(1, min_stat, "export name error (KRB5)");
159c19800e8SDoug Rabson
160c19800e8SDoug Rabson /*
161c19800e8SDoug Rabson * Import the exported name and compare
162c19800e8SDoug Rabson */
163c19800e8SDoug Rabson
164c19800e8SDoug Rabson maj_stat = gss_import_name(&min_stat, &name_buffer,
165c19800e8SDoug Rabson GSS_C_NT_EXPORT_NAME,
166c19800e8SDoug Rabson &MNname2);
167c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
168c19800e8SDoug Rabson gss_err(1, min_stat, "import name error (exported KRB5 name)");
169c19800e8SDoug Rabson
170c19800e8SDoug Rabson
171c19800e8SDoug Rabson maj_stat = gss_compare_name(&min_stat, MNname, MNname2, &equal);
172c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
173c19800e8SDoug Rabson errx(1, "gss_compare_name");
174c19800e8SDoug Rabson if (!equal)
175c19800e8SDoug Rabson errx(1, "names not equal");
176c19800e8SDoug Rabson
177c19800e8SDoug Rabson gss_release_name(&min_stat, &MNname2);
178c19800e8SDoug Rabson gss_release_buffer(&min_stat, &name_buffer);
179c19800e8SDoug Rabson gss_release_name(&min_stat, &MNname);
180c19800e8SDoug Rabson gss_release_name(&min_stat, &name);
181c19800e8SDoug Rabson
182c19800e8SDoug Rabson /*
183c19800e8SDoug Rabson * Import oid less name and compare to mech name.
184c19800e8SDoug Rabson * Dovecot SASL lib does this.
185c19800e8SDoug Rabson */
186c19800e8SDoug Rabson
187*ae771770SStanislav Sedov str = NULL;
188c19800e8SDoug Rabson len = asprintf(&str, "lha");
189*ae771770SStanislav Sedov if (len < 0 || str == NULL)
190c19800e8SDoug Rabson errx(1, "asprintf");
191c19800e8SDoug Rabson
192c19800e8SDoug Rabson name_buffer.value = str;
193c19800e8SDoug Rabson name_buffer.length = len;
194c19800e8SDoug Rabson
195c19800e8SDoug Rabson maj_stat = gss_import_name(&min_stat, &name_buffer,
196c19800e8SDoug Rabson GSS_C_NO_OID,
197c19800e8SDoug Rabson &name);
198c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
199c19800e8SDoug Rabson gss_err(1, min_stat, "import (no oid) name error");
200c19800e8SDoug Rabson
201c19800e8SDoug Rabson maj_stat = gss_import_name(&min_stat, &name_buffer,
202c19800e8SDoug Rabson GSS_KRB5_NT_USER_NAME,
203c19800e8SDoug Rabson &MNname);
204c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
205c19800e8SDoug Rabson gss_err(1, min_stat, "import (krb5 mn) name error");
206c19800e8SDoug Rabson
207c19800e8SDoug Rabson free(str);
208c19800e8SDoug Rabson
209c19800e8SDoug Rabson maj_stat = gss_compare_name(&min_stat, name, MNname, &equal);
210c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
211c19800e8SDoug Rabson errx(1, "gss_compare_name");
212c19800e8SDoug Rabson if (!equal)
213c19800e8SDoug Rabson errx(1, "names not equal");
214c19800e8SDoug Rabson
215c19800e8SDoug Rabson gss_release_name(&min_stat, &MNname);
216c19800e8SDoug Rabson gss_release_name(&min_stat, &name);
217c19800e8SDoug Rabson
218c19800e8SDoug Rabson #if 0
219c19800e8SDoug Rabson maj_stat = gss_canonicalize_name (&min_stat,
220c19800e8SDoug Rabson name,
221c19800e8SDoug Rabson GSS_SPNEGO_MECHANISM,
222c19800e8SDoug Rabson &MNname);
223c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
224c19800e8SDoug Rabson gss_err(1, min_stat, "canonicalize name error");
225c19800e8SDoug Rabson
226c19800e8SDoug Rabson
227c19800e8SDoug Rabson maj_stat = gss_export_name(&maj_stat,
228c19800e8SDoug Rabson MNname,
229c19800e8SDoug Rabson &name_buffer);
230c19800e8SDoug Rabson if (maj_stat != GSS_S_COMPLETE)
231c19800e8SDoug Rabson gss_err(1, min_stat, "export name error (SPNEGO)");
232c19800e8SDoug Rabson
233c19800e8SDoug Rabson gss_release_name(&min_stat, &MNname);
234c19800e8SDoug Rabson gss_release_buffer(&min_stat, &name_buffer);
235c19800e8SDoug Rabson #endif
236c19800e8SDoug Rabson
237c19800e8SDoug Rabson return 0;
238c19800e8SDoug Rabson }
239