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;
86 static int anon_flag = 0;
88 static struct getargs args[] = {
89 {"version", 0, arg_flag, &version_flag, "print version", NULL },
90 {"anonymous", 0, arg_flag, &anon_flag, "test anonymous names", NULL },
91 {"help", 0, arg_flag, &help_flag, NULL, NULL }
97 arg_printusage (args, sizeof(args)/sizeof(*args),
98 NULL, "service@host");
104 main(int argc, char **argv)
106 gss_buffer_desc name_buffer;
107 OM_uint32 maj_stat, min_stat;
108 gss_name_t name, MNname, MNname2;
114 setprogname(argv[0]);
115 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
129 gsskrb5_set_default_realm("MIT.EDU");
136 len = asprintf(&str, anon_flag ?
137 "WELLKNOWN@ANONYMOUS" : "ftp@freeze-arrow.mit.edu");
138 if (len < 0 || str == NULL)
141 name_buffer.value = str;
142 name_buffer.length = len;
144 maj_stat = gss_import_name(&min_stat, &name_buffer,
145 GSS_C_NT_HOSTBASED_SERVICE,
147 if (maj_stat != GSS_S_COMPLETE)
148 gss_err(1, min_stat, "import name error");
152 mech_oid = GSS_SANON_X25519_MECHANISM;
154 mech_oid = GSS_KRB5_MECHANISM;
156 maj_stat = gss_canonicalize_name (&min_stat,
160 if (maj_stat != GSS_S_COMPLETE)
161 gss_err(1, min_stat, "canonicalize name error");
163 maj_stat = gss_export_name(&min_stat,
166 if (maj_stat != GSS_S_COMPLETE)
167 gss_err(1, min_stat, "export name error (KRB5)");
170 * Import the exported name and compare
173 maj_stat = gss_import_name(&min_stat, &name_buffer,
174 GSS_C_NT_EXPORT_NAME,
176 if (maj_stat != GSS_S_COMPLETE)
177 gss_err(1, min_stat, "import name error (exported KRB5 name)");
180 maj_stat = gss_compare_name(&min_stat, MNname, MNname2, &equal);
181 if (maj_stat != GSS_S_COMPLETE)
182 errx(1, "gss_compare_name");
183 if (equal == anon_flag)
184 errx(1, "names %s equal", anon_flag ? "incorrectly" : "not");
186 gss_release_name(&min_stat, &MNname2);
187 gss_release_buffer(&min_stat, &name_buffer);
188 gss_release_name(&min_stat, &MNname);
189 gss_release_name(&min_stat, &name);
192 * Import oid less name and compare to mech name.
193 * Dovecot SASL lib does this.
197 len = asprintf(&str, "lha");
198 if (len < 0 || str == NULL)
201 name_buffer.value = str;
202 name_buffer.length = len;
204 maj_stat = gss_import_name(&min_stat, &name_buffer,
207 if (maj_stat != GSS_S_COMPLETE)
208 gss_err(1, min_stat, "import (no oid) name error");
210 maj_stat = gss_import_name(&min_stat, &name_buffer,
211 GSS_KRB5_NT_USER_NAME,
213 if (maj_stat != GSS_S_COMPLETE)
214 gss_err(1, min_stat, "import (krb5 mn) name error");
218 maj_stat = gss_compare_name(&min_stat, name, MNname, &equal);
219 if (maj_stat != GSS_S_COMPLETE)
220 errx(1, "gss_compare_name");
222 errx(1, "names not equal");
224 gss_release_name(&min_stat, &MNname);
225 gss_release_name(&min_stat, &name);
228 maj_stat = gss_canonicalize_name (&min_stat,
230 GSS_SPNEGO_MECHANISM,
232 if (maj_stat != GSS_S_COMPLETE)
233 gss_err(1, min_stat, "canonicalize name error");
236 maj_stat = gss_export_name(&maj_stat,
239 if (maj_stat != GSS_S_COMPLETE)
240 gss_err(1, min_stat, "export name error (SPNEGO)");
242 gss_release_name(&min_stat, &MNname);
243 gss_release_buffer(&min_stat, &name_buffer);
247 /* check anonymous name canonicalizes to well known name */
250 name_buffer.length = 0;
251 name_buffer.value = NULL;
253 maj_stat = gss_import_name(&min_stat, &name_buffer,
254 GSS_C_NT_ANONYMOUS, &name);
255 if (maj_stat != GSS_S_COMPLETE)
256 gss_err(1, min_stat, "import (anon) name error");
258 maj_stat = gss_canonicalize_name(&min_stat, name,
259 GSS_SANON_X25519_MECHANISM,
261 if (maj_stat != GSS_S_COMPLETE)
262 gss_err(1, min_stat, "canonicalize (anon) name error");
264 maj_stat = gss_display_name(&min_stat, MNname,
265 &name_buffer, &name_type);
266 if (maj_stat != GSS_S_COMPLETE)
267 gss_err(1, min_stat, "display_name (anon) name error");
269 if (!gss_oid_equal(name_type, GSS_C_NT_ANONYMOUS))
270 gss_err(1, 0, "display name type not anonymous");
271 if (memcmp(name_buffer.value, "WELLKNOWN/ANONYMOUS@WELLKNOWN:ANONYMOUS",
272 sizeof("WELLKNOWN/ANONYMOUS@WELLKNOWN:ANONYMOUS") - 1) != 0)
273 gss_err(1, 0, "display name string not well known anonymous name");
275 gss_release_name(&min_stat, &MNname);
276 gss_release_name(&min_stat, &name);
277 gss_release_buffer(&min_stat, &name_buffer);