1 /* apps/crl.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 75 static 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 #ifndef OPENSSL_NO_MD5 85 " -hash_old - print old-style (MD5) hash value\n", 86 #endif 87 " -fingerprint - print the crl fingerprint\n", 88 " -issuer - print issuer DN\n", 89 " -lastupdate - lastUpdate field\n", 90 " -nextupdate - nextUpdate field\n", 91 " -crlnumber - print CRL number\n", 92 " -noout - no CRL output\n", 93 " -CAfile name - verify CRL using certificates in file \"name\"\n", 94 " -CApath dir - verify CRL using certificates in \"dir\"\n", 95 " -nameopt arg - various certificate name options\n", 96 NULL 97 }; 98 99 static X509_CRL *load_crl(char *file, int format); 100 static BIO *bio_out=NULL; 101 102 int MAIN(int, char **); 103 104 int MAIN(int argc, char **argv) 105 { 106 unsigned long nmflag = 0; 107 X509_CRL *x=NULL; 108 char *CAfile = NULL, *CApath = NULL; 109 int ret=1,i,num,badops=0; 110 BIO *out=NULL; 111 int informat,outformat; 112 char *infile=NULL,*outfile=NULL; 113 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0; 114 #ifndef OPENSSL_NO_MD5 115 int hash_old=0; 116 #endif 117 int fingerprint = 0, crlnumber = 0; 118 const char **pp; 119 X509_STORE *store = NULL; 120 X509_STORE_CTX ctx; 121 X509_LOOKUP *lookup = NULL; 122 X509_OBJECT xobj; 123 EVP_PKEY *pkey; 124 int do_ver = 0; 125 const EVP_MD *md_alg,*digest=EVP_sha1(); 126 127 apps_startup(); 128 129 if (bio_err == NULL) 130 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 131 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 132 133 if (!load_config(bio_err, NULL)) 134 goto end; 135 136 if (bio_out == NULL) 137 if ((bio_out=BIO_new(BIO_s_file())) != NULL) 138 { 139 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE); 140 #ifdef OPENSSL_SYS_VMS 141 { 142 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 143 bio_out = BIO_push(tmpbio, bio_out); 144 } 145 #endif 146 } 147 148 informat=FORMAT_PEM; 149 outformat=FORMAT_PEM; 150 151 argc--; 152 argv++; 153 num=0; 154 while (argc >= 1) 155 { 156 #ifdef undef 157 if (strcmp(*argv,"-p") == 0) 158 { 159 if (--argc < 1) goto bad; 160 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/ 161 } 162 #endif 163 if (strcmp(*argv,"-inform") == 0) 164 { 165 if (--argc < 1) goto bad; 166 informat=str2fmt(*(++argv)); 167 } 168 else if (strcmp(*argv,"-outform") == 0) 169 { 170 if (--argc < 1) goto bad; 171 outformat=str2fmt(*(++argv)); 172 } 173 else if (strcmp(*argv,"-in") == 0) 174 { 175 if (--argc < 1) goto bad; 176 infile= *(++argv); 177 } 178 else if (strcmp(*argv,"-out") == 0) 179 { 180 if (--argc < 1) goto bad; 181 outfile= *(++argv); 182 } 183 else if (strcmp(*argv,"-CApath") == 0) 184 { 185 if (--argc < 1) goto bad; 186 CApath = *(++argv); 187 do_ver = 1; 188 } 189 else if (strcmp(*argv,"-CAfile") == 0) 190 { 191 if (--argc < 1) goto bad; 192 CAfile = *(++argv); 193 do_ver = 1; 194 } 195 else if (strcmp(*argv,"-verify") == 0) 196 do_ver = 1; 197 else if (strcmp(*argv,"-text") == 0) 198 text = 1; 199 else if (strcmp(*argv,"-hash") == 0) 200 hash= ++num; 201 #ifndef OPENSSL_NO_MD5 202 else if (strcmp(*argv,"-hash_old") == 0) 203 hash_old= ++num; 204 #endif 205 else if (strcmp(*argv,"-nameopt") == 0) 206 { 207 if (--argc < 1) goto bad; 208 if (!set_name_ex(&nmflag, *(++argv))) goto bad; 209 } 210 else if (strcmp(*argv,"-issuer") == 0) 211 issuer= ++num; 212 else if (strcmp(*argv,"-lastupdate") == 0) 213 lastupdate= ++num; 214 else if (strcmp(*argv,"-nextupdate") == 0) 215 nextupdate= ++num; 216 else if (strcmp(*argv,"-noout") == 0) 217 noout= ++num; 218 else if (strcmp(*argv,"-fingerprint") == 0) 219 fingerprint= ++num; 220 else if (strcmp(*argv,"-crlnumber") == 0) 221 crlnumber= ++num; 222 else if ((md_alg=EVP_get_digestbyname(*argv + 1))) 223 { 224 /* ok */ 225 digest=md_alg; 226 } 227 else 228 { 229 BIO_printf(bio_err,"unknown option %s\n",*argv); 230 badops=1; 231 break; 232 } 233 argc--; 234 argv++; 235 } 236 237 if (badops) 238 { 239 bad: 240 for (pp=crl_usage; (*pp != NULL); pp++) 241 BIO_printf(bio_err,"%s",*pp); 242 goto end; 243 } 244 245 ERR_load_crypto_strings(); 246 x=load_crl(infile,informat); 247 if (x == NULL) { goto end; } 248 249 if(do_ver) { 250 store = X509_STORE_new(); 251 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); 252 if (lookup == NULL) goto end; 253 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) 254 X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); 255 256 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); 257 if (lookup == NULL) goto end; 258 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) 259 X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); 260 ERR_clear_error(); 261 262 if(!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) { 263 BIO_printf(bio_err, 264 "Error initialising X509 store\n"); 265 goto end; 266 } 267 268 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, 269 X509_CRL_get_issuer(x), &xobj); 270 if(i <= 0) { 271 BIO_printf(bio_err, 272 "Error getting CRL issuer certificate\n"); 273 goto end; 274 } 275 pkey = X509_get_pubkey(xobj.data.x509); 276 X509_OBJECT_free_contents(&xobj); 277 if(!pkey) { 278 BIO_printf(bio_err, 279 "Error getting CRL issuer public key\n"); 280 goto end; 281 } 282 i = X509_CRL_verify(x, pkey); 283 EVP_PKEY_free(pkey); 284 if(i < 0) goto end; 285 if(i == 0) BIO_printf(bio_err, "verify failure\n"); 286 else BIO_printf(bio_err, "verify OK\n"); 287 } 288 289 if (num) 290 { 291 for (i=1; i<=num; i++) 292 { 293 if (issuer == i) 294 { 295 print_name(bio_out, "issuer=", X509_CRL_get_issuer(x), nmflag); 296 } 297 if (crlnumber == i) 298 { 299 ASN1_INTEGER *crlnum; 300 crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, 301 NULL, NULL); 302 BIO_printf(bio_out,"crlNumber="); 303 if (crlnum) 304 { 305 i2a_ASN1_INTEGER(bio_out, crlnum); 306 ASN1_INTEGER_free(crlnum); 307 } 308 else 309 BIO_puts(bio_out, "<NONE>"); 310 BIO_printf(bio_out,"\n"); 311 } 312 if (hash == i) 313 { 314 BIO_printf(bio_out,"%08lx\n", 315 X509_NAME_hash(X509_CRL_get_issuer(x))); 316 } 317 #ifndef OPENSSL_NO_MD5 318 if (hash_old == i) 319 { 320 BIO_printf(bio_out,"%08lx\n", 321 X509_NAME_hash_old( 322 X509_CRL_get_issuer(x))); 323 } 324 #endif 325 if (lastupdate == i) 326 { 327 BIO_printf(bio_out,"lastUpdate="); 328 ASN1_TIME_print(bio_out, 329 X509_CRL_get_lastUpdate(x)); 330 BIO_printf(bio_out,"\n"); 331 } 332 if (nextupdate == i) 333 { 334 BIO_printf(bio_out,"nextUpdate="); 335 if (X509_CRL_get_nextUpdate(x)) 336 ASN1_TIME_print(bio_out, 337 X509_CRL_get_nextUpdate(x)); 338 else 339 BIO_printf(bio_out,"NONE"); 340 BIO_printf(bio_out,"\n"); 341 } 342 if (fingerprint == i) 343 { 344 int j; 345 unsigned int n; 346 unsigned char md[EVP_MAX_MD_SIZE]; 347 348 if (!X509_CRL_digest(x,digest,md,&n)) 349 { 350 BIO_printf(bio_err,"out of memory\n"); 351 goto end; 352 } 353 BIO_printf(bio_out,"%s Fingerprint=", 354 OBJ_nid2sn(EVP_MD_type(digest))); 355 for (j=0; j<(int)n; j++) 356 { 357 BIO_printf(bio_out,"%02X%c",md[j], 358 (j+1 == (int)n) 359 ?'\n':':'); 360 } 361 } 362 } 363 } 364 365 out=BIO_new(BIO_s_file()); 366 if (out == NULL) 367 { 368 ERR_print_errors(bio_err); 369 goto end; 370 } 371 372 if (outfile == NULL) 373 { 374 BIO_set_fp(out,stdout,BIO_NOCLOSE); 375 #ifdef OPENSSL_SYS_VMS 376 { 377 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 378 out = BIO_push(tmpbio, out); 379 } 380 #endif 381 } 382 else 383 { 384 if (BIO_write_filename(out,outfile) <= 0) 385 { 386 perror(outfile); 387 goto end; 388 } 389 } 390 391 if (text) X509_CRL_print(out, x); 392 393 if (noout) 394 { 395 ret = 0; 396 goto end; 397 } 398 399 if (outformat == FORMAT_ASN1) 400 i=(int)i2d_X509_CRL_bio(out,x); 401 else if (outformat == FORMAT_PEM) 402 i=PEM_write_bio_X509_CRL(out,x); 403 else 404 { 405 BIO_printf(bio_err,"bad output format specified for outfile\n"); 406 goto end; 407 } 408 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; } 409 ret=0; 410 end: 411 BIO_free_all(out); 412 BIO_free_all(bio_out); 413 bio_out=NULL; 414 X509_CRL_free(x); 415 if(store) { 416 X509_STORE_CTX_cleanup(&ctx); 417 X509_STORE_free(store); 418 } 419 apps_shutdown(); 420 OPENSSL_EXIT(ret); 421 } 422 423 static X509_CRL *load_crl(char *infile, int format) 424 { 425 X509_CRL *x=NULL; 426 BIO *in=NULL; 427 428 in=BIO_new(BIO_s_file()); 429 if (in == NULL) 430 { 431 ERR_print_errors(bio_err); 432 goto end; 433 } 434 435 if (infile == NULL) 436 BIO_set_fp(in,stdin,BIO_NOCLOSE); 437 else 438 { 439 if (BIO_read_filename(in,infile) <= 0) 440 { 441 perror(infile); 442 goto end; 443 } 444 } 445 if (format == FORMAT_ASN1) 446 x=d2i_X509_CRL_bio(in,NULL); 447 else if (format == FORMAT_PEM) 448 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); 449 else { 450 BIO_printf(bio_err,"bad input format specified for input crl\n"); 451 goto end; 452 } 453 if (x == NULL) 454 { 455 BIO_printf(bio_err,"unable to load CRL\n"); 456 ERR_print_errors(bio_err); 457 goto end; 458 } 459 460 end: 461 BIO_free(in); 462 return(x); 463 } 464 465
