1 /* 2 * Copyright (c) 2003-2007 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 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. 20 * 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. 32 */ 33 34 #ifdef HAVE_CONFIG_H 35 #include <config.h> 36 #endif 37 38 #include <roken.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <stdarg.h> 43 #include <gssapi.h> 44 #include <gssapi_krb5.h> 45 #include <gssapi_spnego.h> 46 #include <err.h> 47 #include <getarg.h> 48 49 #include "test_common.h" 50 51 static void 52 print_time(OM_uint32 time_rec) 53 { 54 if (time_rec == GSS_C_INDEFINITE) { 55 printf("cred never expire\n"); 56 } else { 57 time_t t = time_rec + time(NULL); 58 printf("expiration time: %s", ctime(&t)); 59 } 60 } 61 62 #if 0 63 64 static void 65 test_add(gss_cred_id_t cred_handle) 66 { 67 OM_uint32 major_status, minor_status; 68 gss_cred_id_t copy_cred; 69 OM_uint32 time_rec; 70 71 major_status = gss_add_cred (&minor_status, 72 cred_handle, 73 GSS_C_NO_NAME, 74 GSS_KRB5_MECHANISM, 75 GSS_C_INITIATE, 76 0, 77 0, 78 ©_cred, 79 NULL, 80 &time_rec, 81 NULL); 82 83 if (GSS_ERROR(major_status)) 84 errx(1, "add_cred failed"); 85 86 print_time(time_rec); 87 88 major_status = gss_release_cred(&minor_status, 89 ©_cred); 90 if (GSS_ERROR(major_status)) 91 errx(1, "release_cred failed"); 92 } 93 94 static void 95 copy_cred(void) 96 { 97 OM_uint32 major_status, minor_status; 98 gss_cred_id_t cred_handle; 99 OM_uint32 time_rec; 100 101 major_status = gss_acquire_cred(&minor_status, 102 GSS_C_NO_NAME, 103 0, 104 NULL, 105 GSS_C_INITIATE, 106 &cred_handle, 107 NULL, 108 &time_rec); 109 if (GSS_ERROR(major_status)) 110 errx(1, "acquire_cred failed"); 111 112 print_time(time_rec); 113 114 test_add(cred_handle); 115 test_add(cred_handle); 116 test_add(cred_handle); 117 118 major_status = gss_release_cred(&minor_status, 119 &cred_handle); 120 if (GSS_ERROR(major_status)) 121 errx(1, "release_cred failed"); 122 } 123 #endif 124 125 static gss_cred_id_t 126 acquire_cred_service(const char *service, 127 gss_OID nametype, 128 gss_OID_set oidset, 129 int flags) 130 { 131 OM_uint32 major_status, minor_status; 132 gss_cred_id_t cred_handle; 133 OM_uint32 time_rec; 134 gss_buffer_desc name_buffer; 135 gss_name_t name = GSS_C_NO_NAME; 136 137 if (service) { 138 name_buffer.value = rk_UNCONST(service); 139 name_buffer.length = strlen(service); 140 141 major_status = gss_import_name(&minor_status, 142 &name_buffer, 143 nametype, 144 &name); 145 if (GSS_ERROR(major_status)) 146 errx(1, "import_name failed"); 147 } 148 149 major_status = gss_acquire_cred(&minor_status, 150 name, 151 0, 152 oidset, 153 flags, 154 &cred_handle, 155 NULL, 156 &time_rec); 157 if (GSS_ERROR(major_status)) { 158 warnx("acquire_cred failed: %s", 159 gssapi_err(major_status, minor_status, GSS_C_NO_OID)); 160 } else { 161 print_time(time_rec); 162 gss_release_cred(&minor_status, &cred_handle); 163 } 164 165 if (name != GSS_C_NO_NAME) 166 gss_release_name(&minor_status, &name); 167 168 if (GSS_ERROR(major_status)) 169 exit(1); 170 171 return cred_handle; 172 } 173 174 static int version_flag = 0; 175 static int help_flag = 0; 176 static int kerberos_flag = 0; 177 static int enctype = 0; 178 static char *acquire_name; 179 static char *acquire_type; 180 static char *target_name; 181 static char *name_type; 182 static char *ccache; 183 static int num_loops = 1; 184 185 static struct getargs args[] = { 186 {"acquire-name", 0, arg_string, &acquire_name, "name", NULL }, 187 {"acquire-type", 0, arg_string, &acquire_type, "type", NULL }, 188 {"enctype", 0, arg_integer, &enctype, "enctype-num", NULL }, 189 {"loops", 0, arg_integer, &num_loops, "enctype-num", NULL }, 190 {"kerberos", 0, arg_flag, &kerberos_flag, "enctype-num", NULL }, 191 {"target-name", 0, arg_string, &target_name, "name", NULL }, 192 {"ccache", 0, arg_string, &ccache, "name", NULL }, 193 {"name-type", 0, arg_string, &name_type, "type", NULL }, 194 {"version", 0, arg_flag, &version_flag, "print version", NULL }, 195 {"help", 0, arg_flag, &help_flag, NULL, NULL } 196 }; 197 198 static void 199 usage (int ret) 200 { 201 arg_printusage (args, sizeof(args)/sizeof(*args), NULL, ""); 202 exit (ret); 203 } 204 205 int 206 main(int argc, char **argv) 207 { 208 gss_OID_set oidset = GSS_C_NULL_OID_SET; 209 gss_OID mechoid = GSS_C_NO_OID; 210 OM_uint32 maj_stat, min_stat; 211 gss_cred_id_t cred; 212 gss_name_t target = GSS_C_NO_NAME; 213 int i, optidx = 0; 214 OM_uint32 flag; 215 gss_OID type; 216 217 setprogname(argv[0]); 218 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx)) 219 usage(1); 220 221 if (help_flag) 222 usage (0); 223 224 if(version_flag){ 225 print_version(NULL); 226 exit(0); 227 } 228 229 argc -= optidx; 230 argv += optidx; 231 232 if (argc != 0) 233 usage(1); 234 235 if (acquire_type) { 236 if (strcasecmp(acquire_type, "both") == 0) 237 flag = GSS_C_BOTH; 238 else if (strcasecmp(acquire_type, "accept") == 0) 239 flag = GSS_C_ACCEPT; 240 else if (strcasecmp(acquire_type, "initiate") == 0) 241 flag = GSS_C_INITIATE; 242 else 243 errx(1, "unknown type %s", acquire_type); 244 } else 245 flag = GSS_C_ACCEPT; 246 247 if (name_type) { 248 if (strcasecmp("hostbased-service", name_type) == 0) 249 type = GSS_C_NT_HOSTBASED_SERVICE; 250 else if (strcasecmp("user-name", name_type) == 0) 251 type = GSS_C_NT_USER_NAME; 252 else 253 errx(1, "unknown name type %s", name_type); 254 } else 255 type = GSS_C_NT_HOSTBASED_SERVICE; 256 257 if (ccache) { 258 maj_stat = gss_krb5_ccache_name(&min_stat, ccache, NULL); 259 if (GSS_ERROR(maj_stat)) 260 errx(1, "gss_krb5_ccache_name %s", 261 gssapi_err(maj_stat, min_stat, GSS_C_NO_OID)); 262 } 263 264 if (kerberos_flag) { 265 mechoid = GSS_KRB5_MECHANISM; 266 267 maj_stat = gss_create_empty_oid_set(&min_stat, &oidset); 268 if (maj_stat != GSS_S_COMPLETE) 269 errx(1, "gss_create_empty_oid_set: %s", 270 gssapi_err(maj_stat, min_stat, GSS_C_NO_OID)); 271 272 maj_stat = gss_add_oid_set_member(&min_stat, GSS_KRB5_MECHANISM, &oidset); 273 if (maj_stat != GSS_S_COMPLETE) 274 errx(1, "gss_add_oid_set_member: %s", 275 gssapi_err(maj_stat, min_stat, GSS_C_NO_OID)); 276 } 277 278 if (target_name) { 279 gss_buffer_desc name; 280 281 name.value = target_name; 282 name.length = strlen(target_name); 283 maj_stat = gss_import_name(&min_stat, &name, 284 GSS_C_NT_HOSTBASED_SERVICE, &target); 285 if (maj_stat != GSS_S_COMPLETE) 286 errx(1, "gss_import_name: %s", 287 gssapi_err(maj_stat, min_stat, GSS_C_NO_OID)); 288 } 289 290 for (i = 0; i < num_loops; i++) { 291 292 cred = acquire_cred_service(acquire_name, type, oidset, flag); 293 294 if (enctype) { 295 int32_t enctypelist = enctype; 296 297 maj_stat = gss_krb5_set_allowable_enctypes(&min_stat, cred, 298 1, &enctypelist); 299 if (maj_stat) 300 errx(1, "gss_krb5_set_allowable_enctypes: %s", 301 gssapi_err(maj_stat, min_stat, GSS_C_NO_OID)); 302 } 303 304 if (target) { 305 gss_ctx_id_t context = GSS_C_NO_CONTEXT; 306 gss_buffer_desc out; 307 308 out.length = 0; 309 out.value = NULL; 310 311 maj_stat = gss_init_sec_context(&min_stat, 312 cred, &context, 313 target, mechoid, 314 GSS_C_MUTUAL_FLAG, 0, NULL, 315 GSS_C_NO_BUFFER, NULL, 316 &out, NULL, NULL); 317 if (maj_stat != GSS_S_COMPLETE && maj_stat != GSS_S_CONTINUE_NEEDED) 318 errx(1, "init_sec_context failed: %s", 319 gssapi_err(maj_stat, min_stat, GSS_C_NO_OID)); 320 321 gss_release_buffer(&min_stat, &out); 322 gss_delete_sec_context(&min_stat, &context, NULL); 323 } 324 gss_release_cred(&min_stat, &cred); 325 } 326 327 328 return 0; 329 } 330