crl.c revision 160815
1/* apps/crl.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#include <stdio.h> 60#include <stdlib.h> 61#include <string.h> 62#include "apps.h" 63#include <openssl/bio.h> 64#include <openssl/err.h> 65#include <openssl/x509.h> 66#include <openssl/x509v3.h> 67#include <openssl/pem.h> 68 69#undef PROG 70#define PROG crl_main 71 72#undef POSTFIX 73#define POSTFIX ".rvk" 74 75static const char *crl_usage[]={ 76"usage: crl args\n", 77"\n", 78" -inform arg - input format - default PEM (DER or PEM)\n", 79" -outform arg - output format - default PEM\n", 80" -text - print out a text format version\n", 81" -in arg - input file - default stdin\n", 82" -out arg - output file - default stdout\n", 83" -hash - print hash value\n", 84" -fingerprint - print the crl fingerprint\n", 85" -issuer - print issuer DN\n", 86" -lastupdate - lastUpdate field\n", 87" -nextupdate - nextUpdate field\n", 88" -noout - no CRL output\n", 89" -CAfile name - verify CRL using certificates in file \"name\"\n", 90" -CApath dir - verify CRL using certificates in \"dir\"\n", 91" -nameopt arg - various certificate name options\n", 92NULL 93}; 94 95static X509_CRL *load_crl(char *file, int format); 96static BIO *bio_out=NULL; 97 98int MAIN(int, char **); 99 100int MAIN(int argc, char **argv) 101 { 102 unsigned long nmflag = 0; 103 X509_CRL *x=NULL; 104 char *CAfile = NULL, *CApath = NULL; 105 int ret=1,i,num,badops=0; 106 BIO *out=NULL; 107 int informat,outformat; 108 char *infile=NULL,*outfile=NULL; 109 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0; 110 int fingerprint = 0; 111 const char **pp; 112 X509_STORE *store = NULL; 113 X509_STORE_CTX ctx; 114 X509_LOOKUP *lookup = NULL; 115 X509_OBJECT xobj; 116 EVP_PKEY *pkey; 117 int do_ver = 0; 118 const EVP_MD *md_alg,*digest=EVP_sha1(); 119 120 apps_startup(); 121 122 if (bio_err == NULL) 123 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 124 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 125 126 if (!load_config(bio_err, NULL)) 127 goto end; 128 129 if (bio_out == NULL) 130 if ((bio_out=BIO_new(BIO_s_file())) != NULL) 131 { 132 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE); 133#ifdef OPENSSL_SYS_VMS 134 { 135 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 136 bio_out = BIO_push(tmpbio, bio_out); 137 } 138#endif 139 } 140 141 informat=FORMAT_PEM; 142 outformat=FORMAT_PEM; 143 144 argc--; 145 argv++; 146 num=0; 147 while (argc >= 1) 148 { 149#ifdef undef 150 if (strcmp(*argv,"-p") == 0) 151 { 152 if (--argc < 1) goto bad; 153 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/ 154 } 155#endif 156 if (strcmp(*argv,"-inform") == 0) 157 { 158 if (--argc < 1) goto bad; 159 informat=str2fmt(*(++argv)); 160 } 161 else if (strcmp(*argv,"-outform") == 0) 162 { 163 if (--argc < 1) goto bad; 164 outformat=str2fmt(*(++argv)); 165 } 166 else if (strcmp(*argv,"-in") == 0) 167 { 168 if (--argc < 1) goto bad; 169 infile= *(++argv); 170 } 171 else if (strcmp(*argv,"-out") == 0) 172 { 173 if (--argc < 1) goto bad; 174 outfile= *(++argv); 175 } 176 else if (strcmp(*argv,"-CApath") == 0) 177 { 178 if (--argc < 1) goto bad; 179 CApath = *(++argv); 180 do_ver = 1; 181 } 182 else if (strcmp(*argv,"-CAfile") == 0) 183 { 184 if (--argc < 1) goto bad; 185 CAfile = *(++argv); 186 do_ver = 1; 187 } 188 else if (strcmp(*argv,"-verify") == 0) 189 do_ver = 1; 190 else if (strcmp(*argv,"-text") == 0) 191 text = 1; 192 else if (strcmp(*argv,"-hash") == 0) 193 hash= ++num; 194 else if (strcmp(*argv,"-nameopt") == 0) 195 { 196 if (--argc < 1) goto bad; 197 if (!set_name_ex(&nmflag, *(++argv))) goto bad; 198 } 199 else if (strcmp(*argv,"-issuer") == 0) 200 issuer= ++num; 201 else if (strcmp(*argv,"-lastupdate") == 0) 202 lastupdate= ++num; 203 else if (strcmp(*argv,"-nextupdate") == 0) 204 nextupdate= ++num; 205 else if (strcmp(*argv,"-noout") == 0) 206 noout= ++num; 207 else if (strcmp(*argv,"-fingerprint") == 0) 208 fingerprint= ++num; 209 else if ((md_alg=EVP_get_digestbyname(*argv + 1))) 210 { 211 /* ok */ 212 digest=md_alg; 213 } 214 else 215 { 216 BIO_printf(bio_err,"unknown option %s\n",*argv); 217 badops=1; 218 break; 219 } 220 argc--; 221 argv++; 222 } 223 224 if (badops) 225 { 226bad: 227 for (pp=crl_usage; (*pp != NULL); pp++) 228 BIO_printf(bio_err,"%s",*pp); 229 goto end; 230 } 231 232 ERR_load_crypto_strings(); 233 x=load_crl(infile,informat); 234 if (x == NULL) { goto end; } 235 236 if(do_ver) { 237 store = X509_STORE_new(); 238 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); 239 if (lookup == NULL) goto end; 240 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) 241 X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); 242 243 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); 244 if (lookup == NULL) goto end; 245 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) 246 X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); 247 ERR_clear_error(); 248 249 if(!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) { 250 BIO_printf(bio_err, 251 "Error initialising X509 store\n"); 252 goto end; 253 } 254 255 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, 256 X509_CRL_get_issuer(x), &xobj); 257 if(i <= 0) { 258 BIO_printf(bio_err, 259 "Error getting CRL issuer certificate\n"); 260 goto end; 261 } 262 pkey = X509_get_pubkey(xobj.data.x509); 263 X509_OBJECT_free_contents(&xobj); 264 if(!pkey) { 265 BIO_printf(bio_err, 266 "Error getting CRL issuer public key\n"); 267 goto end; 268 } 269 i = X509_CRL_verify(x, pkey); 270 EVP_PKEY_free(pkey); 271 if(i < 0) goto end; 272 if(i == 0) BIO_printf(bio_err, "verify failure\n"); 273 else BIO_printf(bio_err, "verify OK\n"); 274 } 275 276 if (num) 277 { 278 for (i=1; i<=num; i++) 279 { 280 if (issuer == i) 281 { 282 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), nmflag); 283 } 284 285 if (hash == i) 286 { 287 BIO_printf(bio_out,"%08lx\n", 288 X509_NAME_hash(X509_CRL_get_issuer(x))); 289 } 290 if (lastupdate == i) 291 { 292 BIO_printf(bio_out,"lastUpdate="); 293 ASN1_TIME_print(bio_out, 294 X509_CRL_get_lastUpdate(x)); 295 BIO_printf(bio_out,"\n"); 296 } 297 if (nextupdate == i) 298 { 299 BIO_printf(bio_out,"nextUpdate="); 300 if (X509_CRL_get_nextUpdate(x)) 301 ASN1_TIME_print(bio_out, 302 X509_CRL_get_nextUpdate(x)); 303 else 304 BIO_printf(bio_out,"NONE"); 305 BIO_printf(bio_out,"\n"); 306 } 307 if (fingerprint == i) 308 { 309 int j; 310 unsigned int n; 311 unsigned char md[EVP_MAX_MD_SIZE]; 312 313 if (!X509_CRL_digest(x,digest,md,&n)) 314 { 315 BIO_printf(bio_err,"out of memory\n"); 316 goto end; 317 } 318 BIO_printf(bio_out,"%s Fingerprint=", 319 OBJ_nid2sn(EVP_MD_type(digest))); 320 for (j=0; j<(int)n; j++) 321 { 322 BIO_printf(bio_out,"%02X%c",md[j], 323 (j+1 == (int)n) 324 ?'\n':':'); 325 } 326 } 327 } 328 } 329 330 out=BIO_new(BIO_s_file()); 331 if (out == NULL) 332 { 333 ERR_print_errors(bio_err); 334 goto end; 335 } 336 337 if (outfile == NULL) 338 { 339 BIO_set_fp(out,stdout,BIO_NOCLOSE); 340#ifdef OPENSSL_SYS_VMS 341 { 342 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 343 out = BIO_push(tmpbio, out); 344 } 345#endif 346 } 347 else 348 { 349 if (BIO_write_filename(out,outfile) <= 0) 350 { 351 perror(outfile); 352 goto end; 353 } 354 } 355 356 if (text) X509_CRL_print(out, x); 357 358 if (noout) 359 { 360 ret = 0; 361 goto end; 362 } 363 364 if (outformat == FORMAT_ASN1) 365 i=(int)i2d_X509_CRL_bio(out,x); 366 else if (outformat == FORMAT_PEM) 367 i=PEM_write_bio_X509_CRL(out,x); 368 else 369 { 370 BIO_printf(bio_err,"bad output format specified for outfile\n"); 371 goto end; 372 } 373 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; } 374 ret=0; 375end: 376 BIO_free_all(out); 377 BIO_free_all(bio_out); 378 bio_out=NULL; 379 X509_CRL_free(x); 380 if(store) { 381 X509_STORE_CTX_cleanup(&ctx); 382 X509_STORE_free(store); 383 } 384 apps_shutdown(); 385 OPENSSL_EXIT(ret); 386 } 387 388static X509_CRL *load_crl(char *infile, int format) 389 { 390 X509_CRL *x=NULL; 391 BIO *in=NULL; 392 393 in=BIO_new(BIO_s_file()); 394 if (in == NULL) 395 { 396 ERR_print_errors(bio_err); 397 goto end; 398 } 399 400 if (infile == NULL) 401 BIO_set_fp(in,stdin,BIO_NOCLOSE); 402 else 403 { 404 if (BIO_read_filename(in,infile) <= 0) 405 { 406 perror(infile); 407 goto end; 408 } 409 } 410 if (format == FORMAT_ASN1) 411 x=d2i_X509_CRL_bio(in,NULL); 412 else if (format == FORMAT_PEM) 413 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); 414 else { 415 BIO_printf(bio_err,"bad input format specified for input crl\n"); 416 goto end; 417 } 418 if (x == NULL) 419 { 420 BIO_printf(bio_err,"unable to load CRL\n"); 421 ERR_print_errors(bio_err); 422 goto end; 423 } 424 425end: 426 BIO_free(in); 427 return(x); 428 } 429 430