release/src/router/openssl/apps/dgst.c

   1 /* apps/dgst.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 <string.h>
  61 #include <stdlib.h>
  62 #include "apps.h"
  63 #include <openssl/bio.h>
  64 #include <openssl/err.h>
  65 #include <openssl/evp.h>
  66 #include <openssl/objects.h>
  67 #include <openssl/x509.h>
  68 #include <openssl/pem.h>
  69
  70 #undef BUFSIZE
  71 #define BUFSIZE 1024*8
  72
  73 #undef PROG
  74 #define PROG    dgst_main
  75
  76 void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
  77                 EVP_PKEY *key, unsigned char *sigin, int siglen);
  78
  79 int MAIN(int, char **);
  80
  81 int MAIN(int argc, char **argv)
  82         {
  83         unsigned char *buf=NULL;
  84         int i,err=0;
  85         const EVP_MD *md=NULL,*m;
  86         BIO *in=NULL,*inp;
  87         BIO *bmd=NULL;
  88         BIO *out = NULL;
  89         const char *name;
  90 #define PROG_NAME_SIZE  39
  91         char pname[PROG_NAME_SIZE+1];
  92         int separator=0;
  93         int debug=0;
  94         const char *outfile = NULL, *keyfile = NULL;
  95         const char *sigfile = NULL, *randfile = NULL;
  96         int out_bin = -1, want_pub = 0, do_verify = 0;
  97         EVP_PKEY *sigkey = NULL;
  98         unsigned char *sigbuf = NULL;
  99         int siglen = 0;
 100
 101         apps_startup();
 102
 103         if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
 104                 {
 105                 BIO_printf(bio_err,"out of memory\n");
 106                 goto end;
 107                 }
 108         if (bio_err == NULL)
 109                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 110                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 111
 112         /* first check the program name */
 113         program_name(argv[0],pname,PROG_NAME_SIZE);
 114
 115         md=EVP_get_digestbyname(pname);
 116
 117         argc--;
 118         argv++;
 119         while (argc > 0)
 120                 {
 121                 if ((*argv)[0] != '-') break;
 122                 if (strcmp(*argv,"-c") == 0)
 123                         separator=1;
 124                 else if (strcmp(*argv,"-rand") == 0)
 125                         {
 126                         if (--argc < 1) break;
 127                         randfile=*(++argv);
 128                         }
 129                 else if (strcmp(*argv,"-out") == 0)
 130                         {
 131                         if (--argc < 1) break;
 132                         outfile=*(++argv);
 133                         }
 134                 else if (strcmp(*argv,"-sign") == 0)
 135                         {
 136                         if (--argc < 1) break;
 137                         keyfile=*(++argv);
 138                         }
 139                 else if (strcmp(*argv,"-verify") == 0)
 140                         {
 141                         if (--argc < 1) break;
 142                         keyfile=*(++argv);
 143                         want_pub = 1;
 144                         do_verify = 1;
 145                         }
 146                 else if (strcmp(*argv,"-prverify") == 0)
 147                         {
 148                         if (--argc < 1) break;
 149                         keyfile=*(++argv);
 150                         do_verify = 1;
 151                         }
 152                 else if (strcmp(*argv,"-signature") == 0)
 153                         {
 154                         if (--argc < 1) break;
 155                         sigfile=*(++argv);
 156                         }
 157                 else if (strcmp(*argv,"-hex") == 0)
 158                         out_bin = 0;
 159                 else if (strcmp(*argv,"-binary") == 0)
 160                         out_bin = 1;
 161                 else if (strcmp(*argv,"-d") == 0)
 162                         debug=1;
 163                 else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 164                         md=m;
 165                 else
 166                         break;
 167                 argc--;
 168                 argv++;
 169                 }
 170
 171         if (md == NULL)
 172                 md=EVP_md5();
 173
 174         if(do_verify && !sigfile) {
 175                 BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
 176                 err = 1;
 177                 goto end;
 178         }
 179
 180         if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
 181                 {
 182                 BIO_printf(bio_err,"unknown option '%s'\n",*argv);
 183                 BIO_printf(bio_err,"options are\n");
 184                 BIO_printf(bio_err,"-c              to output the digest with separating colons\n");
 185                 BIO_printf(bio_err,"-d              to output debug info\n");
 186                 BIO_printf(bio_err,"-hex            output as hex dump\n");
 187                 BIO_printf(bio_err,"-binary         output in binary form\n");
 188                 BIO_printf(bio_err,"-sign   file    sign digest using private key in file\n");
 189                 BIO_printf(bio_err,"-verify file    verify a signature using public key in file\n");
 190                 BIO_printf(bio_err,"-prverify file  verify a signature using private key in file\n");
 191                 BIO_printf(bio_err,"-signature file signature to verify\n");
 192                 BIO_printf(bio_err,"-binary         output in binary form\n");
 193
 194                 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n",
 195                         LN_md5,LN_md5);
 196                 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
 197                         LN_md4,LN_md4);
 198                 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
 199                         LN_md2,LN_md2);
 200                 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
 201                         LN_sha1,LN_sha1);
 202                 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
 203                         LN_sha,LN_sha);
 204                 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
 205                         LN_mdc2,LN_mdc2);
 206                 BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
 207                         LN_ripemd160,LN_ripemd160);
 208                 err=1;
 209                 goto end;
 210                 }
 211
 212         in=BIO_new(BIO_s_file());
 213         bmd=BIO_new(BIO_f_md());
 214         if (debug)
 215                 {
 216                 BIO_set_callback(in,BIO_debug_callback);
 217                 /* needed for windows 3.1 */
 218                 BIO_set_callback_arg(in,bio_err);
 219                 }
 220
 221         if ((in == NULL) || (bmd == NULL))
 222                 {
 223                 ERR_print_errors(bio_err);
 224                 goto end;
 225                 }
 226
 227         if(out_bin == -1) {
 228                 if(keyfile) out_bin = 1;
 229                 else out_bin = 0;
 230         }
 231
 232         if(randfile)
 233                 app_RAND_load_file(randfile, bio_err, 0);
 234
 235         if(outfile) {
 236                 if(out_bin)
 237                         out = BIO_new_file(outfile, "wb");
 238                 else    out = BIO_new_file(outfile, "w");
 239         } else {
 240                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
 241 #ifdef VMS
 242                 {
 243                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 244                 out = BIO_push(tmpbio, out);
 245                 }
 246 #endif
 247         }
 248
 249         if(!out) {
 250                 BIO_printf(bio_err, "Error opening output file %s\n",
 251                                         outfile ? outfile : "(stdout)");
 252                 ERR_print_errors(bio_err);
 253                 goto end;
 254         }
 255
 256         if(keyfile) {
 257                 BIO *keybio;
 258                 keybio = BIO_new_file(keyfile, "r");
 259                 if(!keybio) {
 260                         BIO_printf(bio_err, "Error opening key file %s\n",
 261                                                                 keyfile);
 262                         ERR_print_errors(bio_err);
 263                         goto end;
 264                 }
 265
 266                 if(want_pub)
 267                         sigkey = PEM_read_bio_PUBKEY(keybio, NULL, NULL, NULL);
 268                 else sigkey = PEM_read_bio_PrivateKey(keybio, NULL, NULL, NULL);
 269                 BIO_free(keybio);
 270                 if(!sigkey) {
 271                         BIO_printf(bio_err, "Error reading key file %s\n",
 272                                                                 keyfile);
 273                         ERR_print_errors(bio_err);
 274                         goto end;
 275                 }
 276         }
 277
 278         if(sigfile && sigkey) {
 279                 BIO *sigbio;
 280                 sigbio = BIO_new_file(sigfile, "rb");
 281                 siglen = EVP_PKEY_size(sigkey);
 282                 sigbuf = OPENSSL_malloc(siglen);
 283                 if(!sigbio) {
 284                         BIO_printf(bio_err, "Error opening signature file %s\n",
 285                                                                 sigfile);
 286                         ERR_print_errors(bio_err);
 287                         goto end;
 288                 }
 289                 siglen = BIO_read(sigbio, sigbuf, siglen);
 290                 BIO_free(sigbio);
 291                 if(siglen <= 0) {
 292                         BIO_printf(bio_err, "Error reading signature file %s\n",
 293                                                                 sigfile);
 294                         ERR_print_errors(bio_err);
 295                         goto end;
 296                 }
 297         }
 298
 299
 300
 301         /* we use md as a filter, reading from 'in' */
 302         BIO_set_md(bmd,md);
 303         inp=BIO_push(bmd,in);
 304
 305         if (argc == 0)
 306                 {
 307                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
 308                 do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen);
 309                 }
 310         else
 311                 {
 312                 name=OBJ_nid2sn(md->type);
 313                 for (i=0; i<argc; i++)
 314                         {
 315                         if (BIO_read_filename(in,argv[i]) <= 0)
 316                                 {
 317                                 perror(argv[i]);
 318                                 err++;
 319                                 continue;
 320                                 }
 321                         if(!out_bin) BIO_printf(out, "%s(%s)= ",name,argv[i]);
 322                         do_fp(out, buf,inp,separator, out_bin, sigkey,
 323                                                                 sigbuf, siglen);
 324                         (void)BIO_reset(bmd);
 325                         }
 326                 }
 327 end:
 328         if (buf != NULL)
 329                 {
 330                 memset(buf,0,BUFSIZE);
 331                 OPENSSL_free(buf);
 332                 }
 333         if (in != NULL) BIO_free(in);
 334         BIO_free_all(out);
 335         EVP_PKEY_free(sigkey);
 336         if(sigbuf) OPENSSL_free(sigbuf);
 337         if (bmd != NULL) BIO_free(bmd);
 338         EXIT(err);
 339         }
 340
 341 void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
 342                         EVP_PKEY *key, unsigned char *sigin, int siglen)
 343         {
 344         int len;
 345         int i;
 346
 347         for (;;)
 348                 {
 349                 i=BIO_read(bp,(char *)buf,BUFSIZE);
 350                 if (i <= 0) break;
 351                 }
 352         if(sigin)
 353                 {
 354                 EVP_MD_CTX *ctx;
 355                 BIO_get_md_ctx(bp, &ctx);
 356                 i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
 357                 if(i > 0) BIO_printf(out, "Verified OK\n");
 358                 else if(i == 0) BIO_printf(out, "Verification Failure\n");
 359                 else
 360                         {
 361                         BIO_printf(bio_err, "Error Verifying Data\n");
 362                         ERR_print_errors(bio_err);
 363                         }
 364                 return;
 365                 }
 366         if(key)
 367                 {
 368                 EVP_MD_CTX *ctx;
 369                 BIO_get_md_ctx(bp, &ctx);
 370                 if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
 371                         {
 372                         BIO_printf(bio_err, "Error Signing Data\n");
 373                         ERR_print_errors(bio_err);
 374                         return;
 375                         }
 376                 }
 377         else
 378                 len=BIO_gets(bp,(char *)buf,BUFSIZE);
 379
 380         if(binout) BIO_write(out, buf, len);
 381         else
 382                 {
 383                 for (i=0; i<len; i++)
 384                         {
 385                         if (sep && (i != 0))
 386                                 BIO_printf(out, ":");
 387                         BIO_printf(out, "%02x",buf[i]);
 388                         }
 389                 BIO_printf(out, "\n");
 390                 }
 391         }
 392