fips/des/fips_desmovs.c

   1 /* ====================================================================
   2  * Copyright (c) 2004 The OpenSSL Project.  All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in
  13  *    the documentation and/or other materials provided with the
  14  *    distribution.
  15  *
  16  * 3. All advertising materials mentioning features or use of this
  17  *    software must display the following acknowledgment:
  18  *    "This product includes software developed by the OpenSSL Project
  19  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  20  *
  21  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  22  *    endorse or promote products derived from this software without
  23  *    prior written permission. For written permission, please contact
  24  *    openssl-core@openssl.org.
  25  *
  26  * 5. Products derived from this software may not be called "OpenSSL"
  27  *    nor may "OpenSSL" appear in their names without prior written
  28  *    permission of the OpenSSL Project.
  29  *
  30  * 6. Redistributions of any form whatsoever must retain the following
  31  *    acknowledgment:
  32  *    "This product includes software developed by the OpenSSL Project
  33  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  34  *
  35  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  36  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  38  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  41  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  42  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  43  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  44  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  45  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  46  * OF THE POSSIBILITY OF SUCH DAMAGE.
  47  *
  48  */
  49 /*---------------------------------------------
  50   NIST DES Modes of Operation Validation System
  51   Test Program
  52
  53   Based on the AES Validation Suite, which was:
  54   Donated to OpenSSL by:
  55   V-ONE Corporation
  56   20250 Century Blvd, Suite 300
  57   Germantown, MD 20874
  58   U.S.A.
  59   ----------------------------------------------*/
  60
  61 #define OPENSSL_FIPSEVP
  62
  63 #include <stdio.h>
  64 #include <stdlib.h>
  65 #include <string.h>
  66 #include <errno.h>
  67 #include <assert.h>
  68 #include <ctype.h>
  69 #include <openssl/des.h>
  70 #include <openssl/evp.h>
  71 #include <openssl/bn.h>
  72
  73 #include <openssl/err.h>
  74 #include "e_os.h"
  75
  76 #ifndef OPENSSL_FIPS
  77
  78 int main(int argc, char *argv[])
  79 {
  80     printf("No FIPS DES support\n");
  81     return(0);
  82 }
  83
  84 #else
  85
  86 #include <openssl/fips.h>
  87 #include "fips_utl.h"
  88
  89 #define DES_BLOCK_SIZE 8
  90
  91 #define VERBOSE 0
  92
  93 static int DESTest(EVP_CIPHER_CTX *ctx,
  94             char *amode, int akeysz, unsigned char *aKey,
  95             unsigned char *iVec,
  96             int dir,  /* 0 = decrypt, 1 = encrypt */
  97             unsigned char *out, unsigned char *in, int len)
  98     {
  99     const EVP_CIPHER *cipher = NULL;
 100
 101     if (akeysz != 192)
 102         {
 103         printf("Invalid key size: %d\n", akeysz);
 104         EXIT(1);
 105         }
 106
 107     if (strcasecmp(amode, "CBC") == 0)
 108         cipher = EVP_des_ede3_cbc();
 109     else if (strcasecmp(amode, "ECB") == 0)
 110         cipher = EVP_des_ede3_ecb();
 111     else if (strcasecmp(amode, "CFB64") == 0)
 112         cipher = EVP_des_ede3_cfb64();
 113     else if (strncasecmp(amode, "OFB", 3) == 0)
 114         cipher = EVP_des_ede3_ofb();
 115     else if(!strcasecmp(amode,"CFB8"))
 116         cipher = EVP_des_ede3_cfb8();
 117     else if(!strcasecmp(amode,"CFB1"))
 118         cipher = EVP_des_ede3_cfb1();
 119     else
 120         {
 121         printf("Unknown mode: %s\n", amode);
 122         EXIT(1);
 123         }
 124
 125     if (EVP_CipherInit_ex(ctx, cipher, NULL, aKey, iVec, dir) <= 0)
 126         return 0;
 127     if(!strcasecmp(amode,"CFB1"))
 128         M_EVP_CIPHER_CTX_set_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS);
 129     EVP_Cipher(ctx, out, in, len);
 130
 131     return 1;
 132     }
 133 #if 0
 134 static void DebugValue(char *tag, unsigned char *val, int len)
 135     {
 136     char obuf[2048];
 137     int olen;
 138     olen = bin2hex(val, len, obuf);
 139     printf("%s = %.*s\n", tag, olen, obuf);
 140     }
 141 #endif
 142 static void shiftin(unsigned char *dst,unsigned char *src,int nbits)
 143     {
 144     int n;
 145
 146     /* move the bytes... */
 147     memmove(dst,dst+nbits/8,3*8-nbits/8);
 148     /* append new data */
 149     memcpy(dst+3*8-nbits/8,src,(nbits+7)/8);
 150     /* left shift the bits */
 151     if(nbits%8)
 152         for(n=0 ; n < 3*8 ; ++n)
 153             dst[n]=(dst[n] << (nbits%8))|(dst[n+1] >> (8-nbits%8));
 154     }
 155
 156 /*-----------------------------------------------*/
 157 char *t_tag[2] = {"PLAINTEXT", "CIPHERTEXT"};
 158 char *t_mode[6] = {"CBC","ECB","OFB","CFB1","CFB8","CFB64"};
 159 enum Mode {CBC, ECB, OFB, CFB1, CFB8, CFB64};
 160 int Sizes[6]={64,64,64,1,8,64};
 161
 162 static void do_mct(char *amode,
 163             int akeysz, int numkeys, unsigned char *akey,unsigned char *ivec,
 164             int dir, unsigned char *text, int len,
 165             FILE *rfp)
 166     {
 167     int i,imode;
 168     unsigned char nk[4*8]; /* longest key+8 */
 169     unsigned char text0[8];
 170
 171     for (imode=0 ; imode < 6 ; ++imode)
 172         if(!strcmp(amode,t_mode[imode]))
 173             break;
 174     if (imode == 6)
 175         {
 176         printf("Unrecognized mode: %s\n", amode);
 177         EXIT(1);
 178         }
 179
 180     for(i=0 ; i < 400 ; ++i)
 181         {
 182         int j;
 183         int n;
 184         int kp=akeysz/64;
 185         unsigned char old_iv[8];
 186         EVP_CIPHER_CTX ctx;
 187         EVP_CIPHER_CTX_init(&ctx);
 188
 189         fprintf(rfp,"\nCOUNT = %d\n",i);
 190         if(kp == 1)
 191             OutputValue("KEY",akey,8,rfp,0);
 192         else
 193             for(n=0 ; n < kp ; ++n)
 194                 {
 195                 fprintf(rfp,"KEY%d",n+1);
 196                 OutputValue("",akey+n*8,8,rfp,0);
 197                 }
 198
 199         if(imode != ECB)
 200             OutputValue("IV",ivec,8,rfp,0);
 201         OutputValue(t_tag[dir^1],text,len,rfp,imode == CFB1);
 202 #if 0
 203         /* compensate for endianness */
 204         if(imode == CFB1)
 205             text[0]<<=7;
 206 #endif
 207         memcpy(text0,text,8);
 208
 209         for(j=0 ; j < 10000 ; ++j)
 210             {
 211             unsigned char old_text[8];
 212
 213             memcpy(old_text,text,8);
 214             if(j == 0)
 215                 {
 216                 memcpy(old_iv,ivec,8);
 217                 DESTest(&ctx,amode,akeysz,akey,ivec,dir,text,text,len);
 218                 }
 219             else
 220                 {
 221                 memcpy(old_iv,ctx.iv,8);
 222                 EVP_Cipher(&ctx,text,text,len);
 223                 }
 224             if(j == 9999)
 225                 {
 226                 OutputValue(t_tag[dir],text,len,rfp,imode == CFB1);
 227                 /*              memcpy(ivec,text,8); */
 228                 }
 229             /*      DebugValue("iv",ctx.iv,8); */
 230             /* accumulate material for the next key */
 231             shiftin(nk,text,Sizes[imode]);
 232             /*      DebugValue("nk",nk,24);*/
 233             if((dir && (imode == CFB1 || imode == CFB8 || imode == CFB64
 234                         || imode == CBC)) || imode == OFB)
 235                 memcpy(text,old_iv,8);
 236
 237             if(!dir && (imode == CFB1 || imode == CFB8 || imode == CFB64))
 238                 {
 239                 /* the test specifies using the output of the raw DES operation
 240                    which we don't have, so reconstruct it... */
 241                 for(n=0 ; n < 8 ; ++n)
 242                     text[n]^=old_text[n];
 243                 }
 244             }
 245         for(n=0 ; n < 8 ; ++n)
 246             akey[n]^=nk[16+n];
 247         for(n=0 ; n < 8 ; ++n)
 248             akey[8+n]^=nk[8+n];
 249         for(n=0 ; n < 8 ; ++n)
 250             akey[16+n]^=nk[n];
 251         if(numkeys < 3)
 252             memcpy(&akey[2*8],akey,8);
 253         if(numkeys < 2)
 254             memcpy(&akey[8],akey,8);
 255         DES_set_odd_parity((DES_cblock *)akey);
 256         DES_set_odd_parity((DES_cblock *)(akey+8));
 257         DES_set_odd_parity((DES_cblock *)(akey+16));
 258         memcpy(ivec,ctx.iv,8);
 259
 260         /* pointless exercise - the final text doesn't depend on the
 261            initial text in OFB mode, so who cares what it is? (Who
 262            designed these tests?) */
 263         if(imode == OFB)
 264             for(n=0 ; n < 8 ; ++n)
 265                 text[n]=text0[n]^old_iv[n];
 266         }
 267     }
 268
 269 static int proc_file(char *rqfile, char *rspfile)
 270     {
 271     char afn[256], rfn[256];
 272     FILE *afp = NULL, *rfp = NULL;
 273     char ibuf[2048], tbuf[2048];
 274     int ilen, len, ret = 0;
 275     char amode[8] = "";
 276     char atest[100] = "";
 277     int akeysz=0;
 278     unsigned char iVec[20], aKey[40];
 279     int dir = -1, err = 0, step = 0;
 280     unsigned char plaintext[2048];
 281     unsigned char ciphertext[2048];
 282     char *rp;
 283     EVP_CIPHER_CTX ctx;
 284     int numkeys=1;
 285     EVP_CIPHER_CTX_init(&ctx);
 286
 287     if (!rqfile || !(*rqfile))
 288         {
 289         printf("No req file\n");
 290         return -1;
 291         }
 292     strcpy(afn, rqfile);
 293
 294     if ((afp = fopen(afn, "r")) == NULL)
 295         {
 296         printf("Cannot open file: %s, %s\n",
 297                afn, strerror(errno));
 298         return -1;
 299         }
 300     if (!rspfile)
 301         {
 302         strcpy(rfn,afn);
 303         rp=strstr(rfn,"req/");
 304 #ifdef OPENSSL_SYS_WIN32
 305         if (!rp)
 306             rp=strstr(rfn,"req\\");
 307 #endif
 308         assert(rp);
 309         memcpy(rp,"rsp",3);
 310         rp = strstr(rfn, ".req");
 311         memcpy(rp, ".rsp", 4);
 312         rspfile = rfn;
 313         }
 314     if ((rfp = fopen(rspfile, "w")) == NULL)
 315         {
 316         printf("Cannot open file: %s, %s\n",
 317                rfn, strerror(errno));
 318         fclose(afp);
 319         afp = NULL;
 320         return -1;
 321         }
 322     while (!err && (fgets(ibuf, sizeof(ibuf), afp)) != NULL)
 323         {
 324         tidy_line(tbuf, ibuf);
 325         ilen = strlen(ibuf);
 326         /*      printf("step=%d ibuf=%s",step,ibuf);*/
 327         if(step == 3 && !strcmp(amode,"ECB"))
 328             {
 329             memset(iVec, 0, sizeof(iVec));
 330             step = (dir)? 4: 5;  /* no ivec for ECB */
 331             }
 332         switch (step)
 333             {
 334         case 0:  /* read preamble */
 335             if (ibuf[0] == '\n')
 336                 { /* end of preamble */
 337                 if (*amode == '\0')
 338                     {
 339                     printf("Missing Mode\n");
 340                     err = 1;
 341                     }
 342                 else
 343                     {
 344                     fputs(ibuf, rfp);
 345                     ++ step;
 346                     }
 347                 }
 348             else if (ibuf[0] != '#')
 349                 {
 350                 printf("Invalid preamble item: %s\n", ibuf);
 351                 err = 1;
 352                 }
 353             else
 354                 { /* process preamble */
 355                 char *xp, *pp = ibuf+2;
 356                 int n;
 357                 if(*amode)
 358                     { /* insert current time & date */
 359                     time_t rtim = time(0);
 360                     fprintf(rfp, "# %s", ctime(&rtim));
 361                     }
 362                 else
 363                     {
 364                     fputs(ibuf, rfp);
 365                     if(!strncmp(pp,"INVERSE ",8) || !strncmp(pp,"DES ",4)
 366                        || !strncmp(pp,"TDES ",5)
 367                        || !strncmp(pp,"PERMUTATION ",12)
 368                        || !strncmp(pp,"SUBSTITUTION ",13)
 369                        || !strncmp(pp,"VARIABLE ",9))
 370                         {
 371                         /* get test type */
 372                         if(!strncmp(pp,"DES ",4))
 373                             pp+=4;
 374                         else if(!strncmp(pp,"TDES ",5))
 375                             pp+=5;
 376                         xp = strchr(pp, ' ');
 377                         n = xp-pp;
 378                         strncpy(atest, pp, n);
 379                         atest[n] = '\0';
 380                         /* get mode */
 381                         xp = strrchr(pp, ' '); /* get mode" */
 382                         n = strlen(xp+1)-1;
 383                         strncpy(amode, xp+1, n);
 384                         amode[n] = '\0';
 385                         /* amode[3] = '\0'; */
 386                         if (VERBOSE)
 387                                 printf("Test=%s, Mode=%s\n",atest,amode);
 388                         }
 389                     }
 390                 }
 391             break;
 392
 393         case 1:  /* [ENCRYPT] | [DECRYPT] */
 394             if(ibuf[0] == '\n')
 395                 break;
 396             if (ibuf[0] == '[')
 397                 {
 398                 fputs(ibuf, rfp);
 399                 ++step;
 400                 if (strncasecmp(ibuf, "[ENCRYPT]", 9) == 0)
 401                     dir = 1;
 402                 else if (strncasecmp(ibuf, "[DECRYPT]", 9) == 0)
 403                     dir = 0;
 404                 else
 405                     {
 406                     printf("Invalid keyword: %s\n", ibuf);
 407                     err = 1;
 408                     }
 409                 break;
 410                 }
 411             else if (dir == -1)
 412                 {
 413                 err = 1;
 414                 printf("Missing ENCRYPT/DECRYPT keyword\n");
 415                 break;
 416                 }
 417             else
 418                 step = 2;
 419
 420         case 2: /* KEY = xxxx */
 421             if(*ibuf == '\n')
 422                 {
 423                 fputs(ibuf, rfp);
 424                 break;
 425                 }
 426             if(!strncasecmp(ibuf,"COUNT = ",8))
 427                 {
 428                 fputs(ibuf, rfp);
 429                 break;
 430                 }
 431             if(!strncasecmp(ibuf,"COUNT=",6))
 432                 {
 433                 fputs(ibuf, rfp);
 434                 break;
 435                 }
 436             if(!strncasecmp(ibuf,"NumKeys = ",10))
 437                 {
 438                 numkeys=atoi(ibuf+10);
 439                 break;
 440                 }
 441
 442             fputs(ibuf, rfp);
 443             if(!strncasecmp(ibuf,"KEY = ",6))
 444                 {
 445                 akeysz=64;
 446                 len = hex2bin((char*)ibuf+6, aKey);
 447                 if (len < 0)
 448                     {
 449                     printf("Invalid KEY\n");
 450                     err=1;
 451                     break;
 452                     }
 453                 PrintValue("KEY", aKey, len);
 454                 ++step;
 455                 }
 456             else if(!strncasecmp(ibuf,"KEYs = ",7))
 457                 {
 458                 akeysz=64*3;
 459                 len=hex2bin(ibuf+7,aKey);
 460                 if(len != 8)
 461                     {
 462                     printf("Invalid KEY\n");
 463                     err=1;
 464                     break;
 465                     }
 466                 memcpy(aKey+8,aKey,8);
 467                 memcpy(aKey+16,aKey,8);
 468                 ibuf[4]='\0';
 469                 PrintValue("KEYs",aKey,len);
 470                 ++step;
 471                 }
 472             else if(!strncasecmp(ibuf,"KEY",3))
 473                 {
 474                 int n=ibuf[3]-'1';
 475
 476                 akeysz=64*3;
 477                 len=hex2bin(ibuf+7,aKey+n*8);
 478                 if(len != 8)
 479                     {
 480                     printf("Invalid KEY\n");
 481                     err=1;
 482                     break;
 483                     }
 484                 ibuf[4]='\0';
 485                 PrintValue(ibuf,aKey,len);
 486                 if(n == 2)
 487                     ++step;
 488                 }
 489             else
 490                 {
 491                 printf("Missing KEY\n");
 492                 err = 1;
 493                 }
 494             break;
 495
 496         case 3: /* IV = xxxx */
 497             fputs(ibuf, rfp);
 498             if (strncasecmp(ibuf, "IV = ", 5) != 0)
 499                 {
 500                 printf("Missing IV\n");
 501                 err = 1;
 502                 }
 503             else
 504                 {
 505                 len = hex2bin((char*)ibuf+5, iVec);
 506                 if (len < 0)
 507                     {
 508                     printf("Invalid IV\n");
 509                     err =1;
 510                     break;
 511                     }
 512                 PrintValue("IV", iVec, len);
 513                 step = (dir)? 4: 5;
 514                 }
 515             break;
 516
 517         case 4: /* PLAINTEXT = xxxx */
 518             fputs(ibuf, rfp);
 519             if (strncasecmp(ibuf, "PLAINTEXT = ", 12) != 0)
 520                 {
 521                 printf("Missing PLAINTEXT\n");
 522                 err = 1;
 523                 }
 524             else
 525                 {
 526                 int nn = strlen(ibuf+12);
 527                 if(!strcmp(amode,"CFB1"))
 528                     len=bint2bin(ibuf+12,nn-1,plaintext);
 529                 else
 530                     len=hex2bin(ibuf+12, plaintext);
 531                 if (len < 0)
 532                     {
 533                     printf("Invalid PLAINTEXT: %s", ibuf+12);
 534                     err =1;
 535                     break;
 536                     }
 537                 if (len >= (int)sizeof(plaintext))
 538                     {
 539                     printf("Buffer overflow\n");
 540                     }
 541                 PrintValue("PLAINTEXT", (unsigned char*)plaintext, len);
 542                 if (strcmp(atest, "Monte") == 0)  /* Monte Carlo Test */
 543                     {
 544                     do_mct(amode,akeysz,numkeys,aKey,iVec,dir,plaintext,len,rfp);
 545                     }
 546                 else
 547                     {
 548                     assert(dir == 1);
 549                     ret = DESTest(&ctx, amode, akeysz, aKey, iVec,
 550                                   dir,  /* 0 = decrypt, 1 = encrypt */
 551                                   ciphertext, plaintext, len);
 552                     OutputValue("CIPHERTEXT",ciphertext,len,rfp,
 553                                 !strcmp(amode,"CFB1"));
 554                     }
 555                 step = 6;
 556                 }
 557             break;
 558
 559         case 5: /* CIPHERTEXT = xxxx */
 560             fputs(ibuf, rfp);
 561             if (strncasecmp(ibuf, "CIPHERTEXT = ", 13) != 0)
 562                 {
 563                 printf("Missing KEY\n");
 564                 err = 1;
 565                 }
 566             else
 567                 {
 568                 if(!strcmp(amode,"CFB1"))
 569                     len=bint2bin(ibuf+13,strlen(ibuf+13)-1,ciphertext);
 570                 else
 571                     len = hex2bin(ibuf+13,ciphertext);
 572                 if (len < 0)
 573                     {
 574                     printf("Invalid CIPHERTEXT\n");
 575                     err =1;
 576                     break;
 577                     }
 578
 579                 PrintValue("CIPHERTEXT", ciphertext, len);
 580                 if (strcmp(atest, "Monte") == 0)  /* Monte Carlo Test */
 581                     {
 582                     do_mct(amode, akeysz, numkeys, aKey, iVec,
 583                            dir, ciphertext, len, rfp);
 584                     }
 585                 else
 586                     {
 587                     assert(dir == 0);
 588                     ret = DESTest(&ctx, amode, akeysz, aKey, iVec,
 589                                   dir,  /* 0 = decrypt, 1 = encrypt */
 590                                   plaintext, ciphertext, len);
 591                     OutputValue("PLAINTEXT",(unsigned char *)plaintext,len,rfp,
 592                                 !strcmp(amode,"CFB1"));
 593                     }
 594                 step = 6;
 595                 }
 596             break;
 597
 598         case 6:
 599             if (ibuf[0] != '\n')
 600                 {
 601                 err = 1;
 602                 printf("Missing terminator\n");
 603                 }
 604             else if (strcmp(atest, "MCT") != 0)
 605                 { /* MCT already added terminating nl */
 606                 fputs(ibuf, rfp);
 607                 }
 608             step = 1;
 609             break;
 610             }
 611         }
 612     if (rfp)
 613         fclose(rfp);
 614     if (afp)
 615         fclose(afp);
 616     return err;
 617     }
 618
 619 /*--------------------------------------------------
 620   Processes either a single file or
 621   a set of files whose names are passed in a file.
 622   A single file is specified as:
 623     aes_test -f xxx.req
 624   A set of files is specified as:
 625     aes_test -d xxxxx.xxx
 626   The default is: -d req.txt
 627 --------------------------------------------------*/
 628 int main(int argc, char **argv)
 629     {
 630     char *rqlist = "req.txt", *rspfile = NULL;
 631     FILE *fp = NULL;
 632     char fn[250] = "", rfn[256] = "";
 633     int f_opt = 0, d_opt = 1;
 634
 635 #ifdef OPENSSL_FIPS
 636     fips_set_error_print();
 637     if(!FIPS_mode_set(1))
 638         EXIT(1);
 639 #endif
 640     if (argc > 1)
 641         {
 642         if (strcasecmp(argv[1], "-d") == 0)
 643             {
 644             d_opt = 1;
 645             }
 646         else if (strcasecmp(argv[1], "-f") == 0)
 647             {
 648             f_opt = 1;
 649             d_opt = 0;
 650             }
 651         else
 652             {
 653             printf("Invalid parameter: %s\n", argv[1]);
 654             return 0;
 655             }
 656         if (argc < 3)
 657             {
 658             printf("Missing parameter\n");
 659             return 0;
 660             }
 661         if (d_opt)
 662             rqlist = argv[2];
 663         else
 664             {
 665             strcpy(fn, argv[2]);
 666             rspfile = argv[3];
 667             }
 668         }
 669     if (d_opt)
 670         { /* list of files (directory) */
 671         if (!(fp = fopen(rqlist, "r")))
 672             {
 673             printf("Cannot open req list file\n");
 674             return -1;
 675             }
 676         while (fgets(fn, sizeof(fn), fp))
 677             {
 678             strtok(fn, "\r\n");
 679             strcpy(rfn, fn);
 680             printf("Processing: %s\n", rfn);
 681             if (proc_file(rfn, rspfile))
 682                 {
 683                 printf(">>> Processing failed for: %s <<<\n", rfn);
 684                 EXIT(1);
 685                 }
 686             }
 687         fclose(fp);
 688         }
 689     else /* single file */
 690         {
 691         if (VERBOSE)
 692                 printf("Processing: %s\n", fn);
 693         if (proc_file(fn, rspfile))
 694             {
 695             printf(">>> Processing failed for: %s <<<\n", fn);
 696             }
 697         }
 698     EXIT(0);
 699     return 0;
 700     }
 701
 702 #endif