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 char *crl_usage[]={ 76 "usage: crl args\n", 77 "\n", 78 " -inform arg - input format - default PEM (one of DER, TXT 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 NULL 89 }; 90 91 static X509_CRL *load_crl(char *file, int format); 92 static BIO *bio_out=NULL; 93 94 int MAIN(int argc, char **argv) 95 { 96 X509_CRL *x=NULL; 97 int ret=1,i,num,badops=0; 98 BIO *out=NULL; 99 int informat,outformat; 100 char *infile=NULL,*outfile=NULL; 101 int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0; 102 char **pp,buf[256]; 103 104 apps_startup(); 105 106 if (bio_err == NULL) 107 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 108 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 109 110 if (bio_out == NULL) 111 if ((bio_out=BIO_new(BIO_s_file())) != NULL) 112 BIO_set_fp(bio_out,stdout,BIO_NOCLOSE); 113 114 informat=FORMAT_PEM; 115 outformat=FORMAT_PEM; 116 117 argc--; 118 argv++; 119 num=0; 120 while (argc >= 1) 121 { 122 #ifdef undef 123 if (strcmp(*argv,"-p") == 0) 124 { 125 if (--argc < 1) goto bad; 126 if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/ 127 } 128 #endif 129 if (strcmp(*argv,"-inform") == 0) 130 { 131 if (--argc < 1) goto bad; 132 informat=str2fmt(*(++argv)); 133 } 134 else if (strcmp(*argv,"-outform") == 0) 135 { 136 if (--argc < 1) goto bad; 137 outformat=str2fmt(*(++argv)); 138 } 139 else if (strcmp(*argv,"-in") == 0) 140 { 141 if (--argc < 1) goto bad; 142 infile= *(++argv); 143 } 144 else if (strcmp(*argv,"-out") == 0) 145 { 146 if (--argc < 1) goto bad; 147 outfile= *(++argv); 148 } 149 else if (strcmp(*argv,"-text") == 0) 150 text = 1; 151 else if (strcmp(*argv,"-hash") == 0) 152 hash= ++num; 153 else if (strcmp(*argv,"-issuer") == 0) 154 issuer= ++num; 155 else if (strcmp(*argv,"-lastupdate") == 0) 156 lastupdate= ++num; 157 else if (strcmp(*argv,"-nextupdate") == 0) 158 nextupdate= ++num; 159 else if (strcmp(*argv,"-noout") == 0) 160 noout= ++num; 161 else 162 { 163 BIO_printf(bio_err,"unknown option %s\n",*argv); 164 badops=1; 165 break; 166 } 167 argc--; 168 argv++; 169 } 170 171 if (badops) 172 { 173 bad: 174 for (pp=crl_usage; (*pp != NULL); pp++) 175 BIO_printf(bio_err,*pp); 176 goto end; 177 } 178 179 ERR_load_crypto_strings(); 180 X509V3_add_standard_extensions(); 181 x=load_crl(infile,informat); 182 if (x == NULL) { goto end; } 183 184 if (num) 185 { 186 for (i=1; i<=num; i++) 187 { 188 if (issuer == i) 189 { 190 X509_NAME_oneline(x->crl->issuer,buf,256); 191 BIO_printf(bio_out,"issuer= %s\n",buf); 192 } 193 194 if (hash == i) 195 { 196 BIO_printf(bio_out,"%08lx\n", 197 X509_NAME_hash(x->crl->issuer)); 198 } 199 if (lastupdate == i) 200 { 201 BIO_printf(bio_out,"lastUpdate="); 202 ASN1_TIME_print(bio_out,x->crl->lastUpdate); 203 BIO_printf(bio_out,"\n"); 204 } 205 if (nextupdate == i) 206 { 207 BIO_printf(bio_out,"nextUpdate="); 208 if (x->crl->nextUpdate != NULL) 209 ASN1_TIME_print(bio_out,x->crl->nextUpdate); 210 else 211 BIO_printf(bio_out,"NONE"); 212 BIO_printf(bio_out,"\n"); 213 } 214 } 215 } 216 217 out=BIO_new(BIO_s_file()); 218 if (out == NULL) 219 { 220 ERR_print_errors(bio_err); 221 goto end; 222 } 223 224 if (outfile == NULL) 225 BIO_set_fp(out,stdout,BIO_NOCLOSE); 226 else 227 { 228 if (BIO_write_filename(out,outfile) <= 0) 229 { 230 perror(outfile); 231 goto end; 232 } 233 } 234 235 if (text) X509_CRL_print(out, x); 236 237 if (noout) goto end; 238 239 if (outformat == FORMAT_ASN1) 240 i=(int)i2d_X509_CRL_bio(out,x); 241 else if (outformat == FORMAT_PEM) 242 i=PEM_write_bio_X509_CRL(out,x); 243 else 244 { 245 BIO_printf(bio_err,"bad output format specified for outfile\n"); 246 goto end; 247 } 248 if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; } 249 ret=0; 250 end: 251 BIO_free(out); 252 BIO_free(bio_out); 253 X509_CRL_free(x); 254 X509V3_EXT_cleanup(); 255 EXIT(ret); 256 } 257 258 static X509_CRL *load_crl(char *infile, int format) 259 { 260 X509_CRL *x=NULL; 261 BIO *in=NULL; 262 263 in=BIO_new(BIO_s_file()); 264 if (in == NULL) 265 { 266 ERR_print_errors(bio_err); 267 goto end; 268 } 269 270 if (infile == NULL) 271 BIO_set_fp(in,stdin,BIO_NOCLOSE); 272 else 273 { 274 if (BIO_read_filename(in,infile) <= 0) 275 { 276 perror(infile); 277 goto end; 278 } 279 } 280 if (format == FORMAT_ASN1) 281 x=d2i_X509_CRL_bio(in,NULL); 282 else if (format == FORMAT_PEM) 283 x=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL); 284 else { 285 BIO_printf(bio_err,"bad input format specified for input crl\n"); 286 goto end; 287 } 288 if (x == NULL) 289 { 290 BIO_printf(bio_err,"unable to load CRL\n"); 291 ERR_print_errors(bio_err); 292 goto end; 293 } 294 295 end: 296 BIO_free(in); 297 return(x); 298 } 299 300