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| 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 | |
| 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 " -fingerprint - print the crl fingerprint\n", | |
| 85 " -issuer - print issuer DN\n", | |
| 86 " -lastupdate - lastUpdate field\n", | |
| 87 " -nextupdate - nextUpdate field\n", | |
| 88 " -crlnumber - print CRL number\n", | |
| 89 " -noout - no CRL output\n", | |
| 90 " -CAfile name - verify CRL using certificates in file \"name\"\n", | |
| 91 " -CApath dir - verify CRL using certificates in \"dir\"\n", | |
| 92 " -nameopt arg - various certificate name options\n", | |
| 93 NULL | |
| 94 }; | |
| 95 | |
| 96 static X509_CRL *load_crl(char *file, int format); | |
| 97 static BIO *bio_out=NULL; | |
| 98 | |
| 99 int MAIN(int, char **); | |
| 100 | |
| 101 int MAIN(int argc, char **argv) | |
| 102 { | |
| 103 unsigned long nmflag = 0; | |
| 104 X509_CRL *x=NULL; | |
| 105 char *CAfile = NULL, *CApath = NULL; | |
| 106 int ret=1,i,num,badops=0; | |
| 107 BIO *out=NULL; | |
| 108 int informat,outformat; | |
| 109 char *infile=NULL,*outfile=NULL; | |
| 110 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0; | |
| 111 int fingerprint = 0, crlnumber = 0; | |
| 112 const char **pp; | |
| 113 X509_STORE *store = NULL; | |
| 114 X509_STORE_CTX ctx; | |
| 115 X509_LOOKUP *lookup = NULL; | |
| 116 X509_OBJECT xobj; | |
| 117 EVP_PKEY *pkey; | |
| 118 int do_ver = 0; | |
| 119 const EVP_MD *md_alg,*digest=EVP_sha1(); | |
| 120 | |
| 121 apps_startup(); | |
| 122 | |
| 123 if (bio_err == NULL) | |
| 124 if ((bio_err=BIO_new(BIO_s_file())) != NULL) | |
| 125 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); | |
| 126 | |
| 127 if (!load_config(bio_err, NULL)) | |
| 128 goto end; | |
| 129 | |
| 130 if (bio_out == NULL) | |
| 131 if ((bio_out=BIO_new(BIO_s_file())) != NULL) | |
| 132 { | |
| 133 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE); | |
| 134 #ifdef OPENSSL_SYS_VMS | |
| 135 { | |
| 136 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 137 bio_out = BIO_push(tmpbio, bio_out); | |
| 138 } | |
| 139 #endif | |
| 140 } | |
| 141 | |
| 142 informat=FORMAT_PEM; | |
| 143 outformat=FORMAT_PEM; | |
| 144 | |
| 145 argc--; | |
| 146 argv++; | |
| 147 num=0; | |
| 148 while (argc >= 1) | |
| 149 { | |
| 150 #ifdef undef | |
| 151 if (strcmp(*argv,"-p") == 0) | |
| 152 { | |
| 153 if (--argc < 1) goto bad; | |
| 154 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/ | |
| 155 } | |
| 156 #endif | |
| 157 if (strcmp(*argv,"-inform") == 0) | |
| 158 { | |
| 159 if (--argc < 1) goto bad; | |
| 160 informat=str2fmt(*(++argv)); | |
| 161 } | |
| 162 else if (strcmp(*argv,"-outform") == 0) | |
| 163 { | |
| 164 if (--argc < 1) goto bad; | |
| 165 outformat=str2fmt(*(++argv)); | |
| 166 } | |
| 167 else if (strcmp(*argv,"-in") == 0) | |
| 168 { | |
| 169 if (--argc < 1) goto bad; | |
| 170 infile= *(++argv); | |
| 171 } | |
| 172 else if (strcmp(*argv,"-out") == 0) | |
| 173 { | |
| 174 if (--argc < 1) goto bad; | |
| 175 outfile= *(++argv); | |
| 176 } | |
| 177 else if (strcmp(*argv,"-CApath") == 0) | |
| 178 { | |
| 179 if (--argc < 1) goto bad; | |
| 180 CApath = *(++argv); | |
| 181 do_ver = 1; | |
| 182 } | |
| 183 else if (strcmp(*argv,"-CAfile") == 0) | |
| 184 { | |
| 185 if (--argc < 1) goto bad; | |
| 186 CAfile = *(++argv); | |
| 187 do_ver = 1; | |
| 188 } | |
| 189 else if (strcmp(*argv,"-verify") == 0) | |
| 190 do_ver = 1; | |
| 191 else if (strcmp(*argv,"-text") == 0) | |
| 192 text = 1; | |
| 193 else if (strcmp(*argv,"-hash") == 0) | |
| 194 hash= ++num; | |
| 195 else if (strcmp(*argv,"-nameopt") == 0) | |
| 196 { | |
| 197 if (--argc < 1) goto bad; | |
| 198 if (!set_name_ex(&nmflag, *(++argv))) goto bad; | |
| 199 } | |
| 200 else if (strcmp(*argv,"-issuer") == 0) | |
| 201 issuer= ++num; | |
| 202 else if (strcmp(*argv,"-lastupdate") == 0) | |
| 203 lastupdate= ++num; | |
| 204 else if (strcmp(*argv,"-nextupdate") == 0) | |
| 205 nextupdate= ++num; | |
| 206 else if (strcmp(*argv,"-noout") == 0) | |
| 207 noout= ++num; | |
| 208 else if (strcmp(*argv,"-fingerprint") == 0) | |
| 209 fingerprint= ++num; | |
| 210 else if (strcmp(*argv,"-crlnumber") == 0) | |
| 211 crlnumber= ++num; | |
| 212 else if ((md_alg=EVP_get_digestbyname(*argv + 1))) | |
| 213 { | |
| 214 /* ok */ | |
| 215 digest=md_alg; | |
| 216 } | |
| 217 else | |
| 218 { | |
| 219 BIO_printf(bio_err,"unknown option %s\n",*argv); | |
| 220 badops=1; | |
| 221 break; | |
| 222 } | |
| 223 argc--; | |
| 224 argv++; | |
| 225 } | |
| 226 | |
| 227 if (badops) | |
| 228 { | |
| 229 bad: | |
| 230 for (pp=crl_usage; (*pp != NULL); pp++) | |
| 231 BIO_printf(bio_err,"%s",*pp); | |
| 232 goto end; | |
| 233 } | |
| 234 | |
| 235 ERR_load_crypto_strings(); | |
| 236 x=load_crl(infile,informat); | |
| 237 if (x == NULL) { goto end; } | |
| 238 | |
| 239 if(do_ver) { | |
| 240 store = X509_STORE_new(); | |
| 241 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); | |
| 242 if (lookup == NULL) goto end; | |
| 243 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) | |
| 244 X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT)
; | |
| 245 | |
| 246 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); | |
| 247 if (lookup == NULL) goto end; | |
| 248 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) | |
| 249 X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); | |
| 250 ERR_clear_error(); | |
| 251 | |
| 252 if(!X509_STORE_CTX_init(&ctx, store, NULL, NULL)) { | |
| 253 BIO_printf(bio_err, | |
| 254 "Error initialising X509 store\n"); | |
| 255 goto end; | |
| 256 } | |
| 257 | |
| 258 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, | |
| 259 X509_CRL_get_issuer(x), &xobj); | |
| 260 if(i <= 0) { | |
| 261 BIO_printf(bio_err, | |
| 262 "Error getting CRL issuer certificate\n"); | |
| 263 goto end; | |
| 264 } | |
| 265 pkey = X509_get_pubkey(xobj.data.x509); | |
| 266 X509_OBJECT_free_contents(&xobj); | |
| 267 if(!pkey) { | |
| 268 BIO_printf(bio_err, | |
| 269 "Error getting CRL issuer public key\n"); | |
| 270 goto end; | |
| 271 } | |
| 272 i = X509_CRL_verify(x, pkey); | |
| 273 EVP_PKEY_free(pkey); | |
| 274 if(i < 0) goto end; | |
| 275 if(i == 0) BIO_printf(bio_err, "verify failure\n"); | |
| 276 else BIO_printf(bio_err, "verify OK\n"); | |
| 277 } | |
| 278 | |
| 279 if (num) | |
| 280 { | |
| 281 for (i=1; i<=num; i++) | |
| 282 { | |
| 283 if (issuer == i) | |
| 284 { | |
| 285 print_name(bio_out, "issuer=", X509_CRL_get_issu
er(x), nmflag); | |
| 286 } | |
| 287 if (crlnumber == i) | |
| 288 { | |
| 289 ASN1_INTEGER *crlnum; | |
| 290 crlnum = X509_CRL_get_ext_d2i(x, NID_crl_number, | |
| 291 NULL, NULL); | |
| 292 BIO_printf(bio_out,"crlNumber="); | |
| 293 if (crlnum) | |
| 294 { | |
| 295 i2a_ASN1_INTEGER(bio_out, crlnum); | |
| 296 ASN1_INTEGER_free(crlnum); | |
| 297 } | |
| 298 else | |
| 299 BIO_puts(bio_out, "<NONE>"); | |
| 300 BIO_printf(bio_out,"\n"); | |
| 301 } | |
| 302 if (hash == i) | |
| 303 { | |
| 304 BIO_printf(bio_out,"%08lx\n", | |
| 305 X509_NAME_hash(X509_CRL_get_issuer(x))); | |
| 306 } | |
| 307 if (lastupdate == i) | |
| 308 { | |
| 309 BIO_printf(bio_out,"lastUpdate="); | |
| 310 ASN1_TIME_print(bio_out, | |
| 311 X509_CRL_get_lastUpdate(x)); | |
| 312 BIO_printf(bio_out,"\n"); | |
| 313 } | |
| 314 if (nextupdate == i) | |
| 315 { | |
| 316 BIO_printf(bio_out,"nextUpdate="); | |
| 317 if (X509_CRL_get_nextUpdate(x)) | |
| 318 ASN1_TIME_print(bio_out, | |
| 319 X509_CRL_get_nextUpdate(x)); | |
| 320 else | |
| 321 BIO_printf(bio_out,"NONE"); | |
| 322 BIO_printf(bio_out,"\n"); | |
| 323 } | |
| 324 if (fingerprint == i) | |
| 325 { | |
| 326 int j; | |
| 327 unsigned int n; | |
| 328 unsigned char md[EVP_MAX_MD_SIZE]; | |
| 329 | |
| 330 if (!X509_CRL_digest(x,digest,md,&n)) | |
| 331 { | |
| 332 BIO_printf(bio_err,"out of memory\n"); | |
| 333 goto end; | |
| 334 } | |
| 335 BIO_printf(bio_out,"%s Fingerprint=", | |
| 336 OBJ_nid2sn(EVP_MD_type(digest)))
; | |
| 337 for (j=0; j<(int)n; j++) | |
| 338 { | |
| 339 BIO_printf(bio_out,"%02X%c",md[j], | |
| 340 (j+1 == (int)n) | |
| 341 ?'\n':':'); | |
| 342 } | |
| 343 } | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 out=BIO_new(BIO_s_file()); | |
| 348 if (out == NULL) | |
| 349 { | |
| 350 ERR_print_errors(bio_err); | |
| 351 goto end; | |
| 352 } | |
| 353 | |
| 354 if (outfile == NULL) | |
| 355 { | |
| 356 BIO_set_fp(out,stdout,BIO_NOCLOSE); | |
| 357 #ifdef OPENSSL_SYS_VMS | |
| 358 { | |
| 359 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
| 360 out = BIO_push(tmpbio, out); | |
| 361 } | |
| 362 #endif | |
| 363 } | |
| 364 else | |
| 365 { | |
| 366 if (BIO_write_filename(out,outfile) <= 0) | |
| 367 { | |
| 368 perror(outfile); | |
| 369 goto end; | |
| 370 } | |
| 371 } | |
| 372 | |
| 373 if (text) X509_CRL_print(out, x); | |
| 374 | |
| 375 if (noout) | |
| 376 { | |
| 377 ret = 0; | |
| 378 goto end; | |
| 379 } | |
| 380 | |
| 381 if (outformat == FORMAT_ASN1) | |
| 382 i=(int)i2d_X509_CRL_bio(out,x); | |
| 383 else if (outformat == FORMAT_PEM) | |
| 384 i=PEM_write_bio_X509_CRL(out,x); | |
| 385 else | |
| 386 { | |
| 387 BIO_printf(bio_err,"bad output format specified for outfile\n"); | |
| 388 goto end; | |
| 389 } | |
| 390 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; } | |
| 391 ret=0; | |
| 392 end: | |
| 393 BIO_free_all(out); | |
| 394 BIO_free_all(bio_out); | |
| 395 bio_out=NULL; | |
| 396 X509_CRL_free(x); | |
| 397 if(store) { | |
| 398 X509_STORE_CTX_cleanup(&ctx); | |
| 399 X509_STORE_free(store); | |
| 400 } | |
| 401 apps_shutdown(); | |
| 402 OPENSSL_EXIT(ret); | |
| 403 } | |
| 404 | |
| 405 static X509_CRL *load_crl(char *infile, int format) | |
| 406 { | |
| 407 X509_CRL *x=NULL; | |
| 408 BIO *in=NULL; | |
| 409 | |
| 410 in=BIO_new(BIO_s_file()); | |
| 411 if (in == NULL) | |
| 412 { | |
| 413 ERR_print_errors(bio_err); | |
| 414 goto end; | |
| 415 } | |
| 416 | |
| 417 if (infile == NULL) | |
| 418 BIO_set_fp(in,stdin,BIO_NOCLOSE); | |
| 419 else | |
| 420 { | |
| 421 if (BIO_read_filename(in,infile) <= 0) | |
| 422 { | |
| 423 perror(infile); | |
| 424 goto end; | |
| 425 } | |
| 426 } | |
| 427 if (format == FORMAT_ASN1) | |
| 428 x=d2i_X509_CRL_bio(in,NULL); | |
| 429 else if (format == FORMAT_PEM) | |
| 430 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); | |
| 431 else { | |
| 432 BIO_printf(bio_err,"bad input format specified for input crl\n")
; | |
| 433 goto end; | |
| 434 } | |
| 435 if (x == NULL) | |
| 436 { | |
| 437 BIO_printf(bio_err,"unable to load CRL\n"); | |
| 438 ERR_print_errors(bio_err); | |
| 439 goto end; | |
| 440 } | |
| 441 | |
| 442 end: | |
| 443 BIO_free(in); | |
| 444 return(x); | |
| 445 } | |
| 446 | |
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