crypto/openssl/apps/crl.c

   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 #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