crl.c revision 59191
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 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" -issuer - print issuer DN\n", 85" -lastupdate - lastUpdate field\n", 86" -nextupdate - nextUpdate field\n", 87" -noout - no CRL output\n", 88" -CAfile name - verify CRL using certificates in file \"name\"\n", 89" -CApath dir - verify CRL using certificates in \"dir\"\n", 90NULL 91}; 92 93static X509_CRL *load_crl(char *file, int format); 94static BIO *bio_out=NULL; 95 96int MAIN(int, char **); 97 98int MAIN(int argc, char **argv) 99 { 100 X509_CRL *x=NULL; 101 char *CAfile = NULL, *CApath = NULL; 102 int ret=1,i,num,badops=0; 103 BIO *out=NULL; 104 int informat,outformat; 105 char *infile=NULL,*outfile=NULL; 106 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0; 107 char **pp,buf[256]; 108 X509_STORE *store = NULL; 109 X509_STORE_CTX ctx; 110 X509_LOOKUP *lookup = NULL; 111 X509_OBJECT xobj; 112 EVP_PKEY *pkey; 113 int do_ver = 0; 114 115 apps_startup(); 116 117 if (bio_err == NULL) 118 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 119 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 120 121 if (bio_out == NULL) 122 if ((bio_out=BIO_new(BIO_s_file())) != NULL) 123 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE); 124 125 informat=FORMAT_PEM; 126 outformat=FORMAT_PEM; 127 128 argc--; 129 argv++; 130 num=0; 131 while (argc >= 1) 132 { 133#ifdef undef 134 if (strcmp(*argv,"-p") == 0) 135 { 136 if (--argc < 1) goto bad; 137 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/ 138 } 139#endif 140 if (strcmp(*argv,"-inform") == 0) 141 { 142 if (--argc < 1) goto bad; 143 informat=str2fmt(*(++argv)); 144 } 145 else if (strcmp(*argv,"-outform") == 0) 146 { 147 if (--argc < 1) goto bad; 148 outformat=str2fmt(*(++argv)); 149 } 150 else if (strcmp(*argv,"-in") == 0) 151 { 152 if (--argc < 1) goto bad; 153 infile= *(++argv); 154 } 155 else if (strcmp(*argv,"-out") == 0) 156 { 157 if (--argc < 1) goto bad; 158 outfile= *(++argv); 159 } 160 else if (strcmp(*argv,"-CApath") == 0) 161 { 162 if (--argc < 1) goto bad; 163 CApath = *(++argv); 164 do_ver = 1; 165 } 166 else if (strcmp(*argv,"-CAfile") == 0) 167 { 168 if (--argc < 1) goto bad; 169 CAfile = *(++argv); 170 do_ver = 1; 171 } 172 else if (strcmp(*argv,"-verify") == 0) 173 do_ver = 1; 174 else if (strcmp(*argv,"-text") == 0) 175 text = 1; 176 else if (strcmp(*argv,"-hash") == 0) 177 hash= ++num; 178 else if (strcmp(*argv,"-issuer") == 0) 179 issuer= ++num; 180 else if (strcmp(*argv,"-lastupdate") == 0) 181 lastupdate= ++num; 182 else if (strcmp(*argv,"-nextupdate") == 0) 183 nextupdate= ++num; 184 else if (strcmp(*argv,"-noout") == 0) 185 noout= ++num; 186 else 187 { 188 BIO_printf(bio_err,"unknown option %s\n",*argv); 189 badops=1; 190 break; 191 } 192 argc--; 193 argv++; 194 } 195 196 if (badops) 197 { 198bad: 199 for (pp=crl_usage; (*pp != NULL); pp++) 200 BIO_printf(bio_err,*pp); 201 goto end; 202 } 203 204 ERR_load_crypto_strings(); 205 x=load_crl(infile,informat); 206 if (x == NULL) { goto end; } 207 208 if(do_ver) { 209 store = X509_STORE_new(); 210 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); 211 if (lookup == NULL) goto end; 212 if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) 213 X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); 214 215 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); 216 if (lookup == NULL) goto end; 217 if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) 218 X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); 219 ERR_clear_error(); 220 221 X509_STORE_CTX_init(&ctx, store, NULL, NULL); 222 223 i = X509_STORE_get_by_subject(&ctx, X509_LU_X509, 224 X509_CRL_get_issuer(x), &xobj); 225 if(i <= 0) { 226 BIO_printf(bio_err, 227 "Error getting CRL issuer certificate\n"); 228 goto end; 229 } 230 pkey = X509_get_pubkey(xobj.data.x509); 231 X509_OBJECT_free_contents(&xobj); 232 if(!pkey) { 233 BIO_printf(bio_err, 234 "Error getting CRL issuer public key\n"); 235 goto end; 236 } 237 i = X509_CRL_verify(x, pkey); 238 EVP_PKEY_free(pkey); 239 if(i < 0) goto end; 240 if(i == 0) BIO_printf(bio_err, "verify failure\n"); 241 else BIO_printf(bio_err, "verify OK\n"); 242 } 243 244 if (num) 245 { 246 for (i=1; i<=num; i++) 247 { 248 if (issuer == i) 249 { 250 X509_NAME_oneline(X509_CRL_get_issuer(x), 251 buf,256); 252 BIO_printf(bio_out,"issuer= %s\n",buf); 253 } 254 255 if (hash == i) 256 { 257 BIO_printf(bio_out,"%08lx\n", 258 X509_NAME_hash(X509_CRL_get_issuer(x))); 259 } 260 if (lastupdate == i) 261 { 262 BIO_printf(bio_out,"lastUpdate="); 263 ASN1_TIME_print(bio_out, 264 X509_CRL_get_lastUpdate(x)); 265 BIO_printf(bio_out,"\n"); 266 } 267 if (nextupdate == i) 268 { 269 BIO_printf(bio_out,"nextUpdate="); 270 if (X509_CRL_get_nextUpdate(x)) 271 ASN1_TIME_print(bio_out, 272 X509_CRL_get_nextUpdate(x)); 273 else 274 BIO_printf(bio_out,"NONE"); 275 BIO_printf(bio_out,"\n"); 276 } 277 } 278 } 279 280 out=BIO_new(BIO_s_file()); 281 if (out == NULL) 282 { 283 ERR_print_errors(bio_err); 284 goto end; 285 } 286 287 if (outfile == NULL) 288 BIO_set_fp(out,stdout,BIO_NOCLOSE); 289 else 290 { 291 if (BIO_write_filename(out,outfile) <= 0) 292 { 293 perror(outfile); 294 goto end; 295 } 296 } 297 298 if (text) X509_CRL_print(out, x); 299 300 if (noout) goto end; 301 302 if (outformat == FORMAT_ASN1) 303 i=(int)i2d_X509_CRL_bio(out,x); 304 else if (outformat == FORMAT_PEM) 305 i=PEM_write_bio_X509_CRL(out,x); 306 else 307 { 308 BIO_printf(bio_err,"bad output format specified for outfile\n"); 309 goto end; 310 } 311 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; } 312 ret=0; 313end: 314 BIO_free(out); 315 BIO_free(bio_out); 316 bio_out=NULL; 317 X509_CRL_free(x); 318 if(store) { 319 X509_STORE_CTX_cleanup(&ctx); 320 X509_STORE_free(store); 321 } 322 EXIT(ret); 323 } 324 325static X509_CRL *load_crl(char *infile, int format) 326 { 327 X509_CRL *x=NULL; 328 BIO *in=NULL; 329 330 in=BIO_new(BIO_s_file()); 331 if (in == NULL) 332 { 333 ERR_print_errors(bio_err); 334 goto end; 335 } 336 337 if (infile == NULL) 338 BIO_set_fp(in,stdin,BIO_NOCLOSE); 339 else 340 { 341 if (BIO_read_filename(in,infile) <= 0) 342 { 343 perror(infile); 344 goto end; 345 } 346 } 347 if (format == FORMAT_ASN1) 348 x=d2i_X509_CRL_bio(in,NULL); 349 else if (format == FORMAT_PEM) 350 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); 351 else { 352 BIO_printf(bio_err,"bad input format specified for input crl\n"); 353 goto end; 354 } 355 if (x == NULL) 356 { 357 BIO_printf(bio_err,"unable to load CRL\n"); 358 ERR_print_errors(bio_err); 359 goto end; 360 } 361 362end: 363 BIO_free(in); 364 return(x); 365 } 366 367