2 * Copyright (c) 2006 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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.
17 * 3. Neither the name of KTH nor the names of its contributors may be
18 * used to endorse or promote products derived from this software without
19 * specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44 #include <gssapi_krb5.h>
45 #include <gssapi_spnego.h>
50 gss_print_errors (int min_stat)
53 OM_uint32 msg_ctx = 0;
54 gss_buffer_desc status_string;
58 ret = gss_display_status (&new_stat,
64 if (!GSS_ERROR(ret)) {
65 fprintf (stderr, "%.*s\n", (int)status_string.length,
66 (char *)status_string.value);
67 gss_release_buffer (&new_stat, &status_string);
69 } while (!GSS_ERROR(ret) && msg_ctx != 0);
73 gss_err(int exitval, int status, const char *fmt, ...)
79 gss_print_errors (status);
84 static int version_flag = 0;
85 static int help_flag = 0;
87 static struct getargs args[] = {
88 {"version", 0, arg_flag, &version_flag, "print version", NULL },
89 {"help", 0, arg_flag, &help_flag, NULL, NULL }
95 arg_printusage (args, sizeof(args)/sizeof(*args),
96 NULL, "service@host");
102 main(int argc, char **argv)
104 gss_buffer_desc name_buffer;
105 OM_uint32 maj_stat, min_stat;
106 gss_name_t name, MNname, MNname2;
111 setprogname(argv[0]);
112 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
126 gsskrb5_set_default_realm("MIT.EDU");
133 len = asprintf(&str, "ftp@freeze-arrow.mit.edu");
134 if (len < 0 || str == NULL)
137 name_buffer.value = str;
138 name_buffer.length = len;
140 maj_stat = gss_import_name(&min_stat, &name_buffer,
141 GSS_C_NT_HOSTBASED_SERVICE,
143 if (maj_stat != GSS_S_COMPLETE)
144 gss_err(1, min_stat, "import name error");
147 maj_stat = gss_canonicalize_name (&min_stat,
151 if (maj_stat != GSS_S_COMPLETE)
152 gss_err(1, min_stat, "canonicalize name error");
154 maj_stat = gss_export_name(&min_stat,
157 if (maj_stat != GSS_S_COMPLETE)
158 gss_err(1, min_stat, "export name error (KRB5)");
161 * Import the exported name and compare
164 maj_stat = gss_import_name(&min_stat, &name_buffer,
165 GSS_C_NT_EXPORT_NAME,
167 if (maj_stat != GSS_S_COMPLETE)
168 gss_err(1, min_stat, "import name error (exported KRB5 name)");
171 maj_stat = gss_compare_name(&min_stat, MNname, MNname2, &equal);
172 if (maj_stat != GSS_S_COMPLETE)
173 errx(1, "gss_compare_name");
175 errx(1, "names not equal");
177 gss_release_name(&min_stat, &MNname2);
178 gss_release_buffer(&min_stat, &name_buffer);
179 gss_release_name(&min_stat, &MNname);
180 gss_release_name(&min_stat, &name);
183 * Import oid less name and compare to mech name.
184 * Dovecot SASL lib does this.
188 len = asprintf(&str, "lha");
189 if (len < 0 || str == NULL)
192 name_buffer.value = str;
193 name_buffer.length = len;
195 maj_stat = gss_import_name(&min_stat, &name_buffer,
198 if (maj_stat != GSS_S_COMPLETE)
199 gss_err(1, min_stat, "import (no oid) name error");
201 maj_stat = gss_import_name(&min_stat, &name_buffer,
202 GSS_KRB5_NT_USER_NAME,
204 if (maj_stat != GSS_S_COMPLETE)
205 gss_err(1, min_stat, "import (krb5 mn) name error");
209 maj_stat = gss_compare_name(&min_stat, name, MNname, &equal);
210 if (maj_stat != GSS_S_COMPLETE)
211 errx(1, "gss_compare_name");
213 errx(1, "names not equal");
215 gss_release_name(&min_stat, &MNname);
216 gss_release_name(&min_stat, &name);
219 maj_stat = gss_canonicalize_name (&min_stat,
221 GSS_SPNEGO_MECHANISM,
223 if (maj_stat != GSS_S_COMPLETE)
224 gss_err(1, min_stat, "canonicalize name error");
227 maj_stat = gss_export_name(&maj_stat,
230 if (maj_stat != GSS_S_COMPLETE)
231 gss_err(1, min_stat, "export name error (SPNEGO)");
233 gss_release_name(&min_stat, &MNname);
234 gss_release_buffer(&min_stat, &name_buffer);