apps/req.c

   1 /* apps/req.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 <time.h>
  62 #include <string.h>
  63 #ifdef NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include "bio.h"
  68 #include "evp.h"
  69 #include "rand.h"
  70 #include "conf.h"
  71 #include "err.h"
  72 #include "asn1.h"
  73 #include "x509.h"
  74 #include "objects.h"
  75 #include "pem.h"
  76
  77 #define SECTION         "req"
  78
  79 #define BITS            "default_bits"
  80 #define KEYFILE         "default_keyfile"
  81 #define DISTINGUISHED_NAME      "distinguished_name"
  82 #define ATTRIBUTES      "attributes"
  83
  84 #define DEFAULT_KEY_LENGTH      512
  85 #define MIN_KEY_LENGTH          384
  86
  87 #undef PROG
  88 #define PROG    req_main
  89
  90 /* -inform arg  - input format - default PEM (one of DER, TXT or PEM)
  91  * -outform arg - output format - default PEM
  92  * -in arg      - input file - default stdin
  93  * -out arg     - output file - default stdout
  94  * -verify      - check request signature
  95  * -noout       - don't print stuff out.
  96  * -text        - print out human readable text.
  97  * -nodes       - no des encryption
  98  * -config file - Load configuration file.
  99  * -key file    - make a request using key in file (or use it for verification).
 100  * -keyform     - key file format.
 101  * -newkey      - make a key and a request.
 102  * -modulus     - print RSA modulus.
 103  * -x509        - output a self signed X509 structure instead.
 104  * -asn1-kludge - output new certificate request in a format that some CA's
 105  *                require.  This format is wrong
 106  */
 107
 108 #ifndef NOPROTO
 109 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
 110 static int add_attribute_object(STACK *n, char *text, char *def,
 111         char *value, int nid,int min,int max);
 112 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 113         int nid,int min,int max);
 114 static void MS_CALLBACK req_cb(int p,int n,char *arg);
 115 static int req_fix_data(int nid,int *type,int len,int min,int max);
 116 #else
 117 static int make_REQ();
 118 static int add_attribute_object();
 119 static int add_DN_object();
 120 static void MS_CALLBACK req_cb();
 121 static int req_fix_data();
 122 #endif
 123
 124 #ifndef MONOLITH
 125 static char *default_config_file=NULL;
 126 static LHASH *config=NULL;
 127 #endif
 128 static LHASH *req_conf=NULL;
 129
 130 #define TYPE_RSA        1
 131 #define TYPE_DSA        2
 132 #define TYPE_DH         3
 133
 134 int MAIN(argc, argv)
 135 int argc;
 136 char **argv;
 137         {
 138 #ifndef NO_DSA
 139         DSA *dsa_params=NULL;
 140 #endif
 141         int ex=1,x509=0,days=30;
 142         X509 *x509ss=NULL;
 143         X509_REQ *req=NULL;
 144         EVP_PKEY *pkey=NULL;
 145         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
 146         BIO *in=NULL,*out=NULL;
 147         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 148         int nodes=0,kludge=0;
 149         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 150         EVP_CIPHER *cipher=NULL;
 151         int modulus=0;
 152         char *p;
 153         EVP_MD *md_alg=NULL,*digest=EVP_md5();
 154 #ifndef MONOLITH
 155         MS_STATIC char config_name[256];
 156 #endif
 157
 158 #ifndef NO_DES
 159         cipher=EVP_des_ede3_cbc();
 160 #endif
 161         apps_startup();
 162
 163         if (bio_err == NULL)
 164                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 165                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 166
 167         infile=NULL;
 168         outfile=NULL;
 169         informat=FORMAT_PEM;
 170         outformat=FORMAT_PEM;
 171
 172         prog=argv[0];
 173         argc--;
 174         argv++;
 175         while (argc >= 1)
 176                 {
 177                 if      (strcmp(*argv,"-inform") == 0)
 178                         {
 179                         if (--argc < 1) goto bad;
 180                         informat=str2fmt(*(++argv));
 181                         }
 182                 else if (strcmp(*argv,"-outform") == 0)
 183                         {
 184                         if (--argc < 1) goto bad;
 185                         outformat=str2fmt(*(++argv));
 186                         }
 187                 else if (strcmp(*argv,"-key") == 0)
 188                         {
 189                         if (--argc < 1) goto bad;
 190                         keyfile= *(++argv);
 191                         }
 192                 else if (strcmp(*argv,"-new") == 0)
 193                         {
 194                         pkey_type=TYPE_RSA;
 195                         newreq=1;
 196                         }
 197                 else if (strcmp(*argv,"-config") == 0)
 198                         {
 199                         if (--argc < 1) goto bad;
 200                         template= *(++argv);
 201                         }
 202                 else if (strcmp(*argv,"-keyform") == 0)
 203                         {
 204                         if (--argc < 1) goto bad;
 205                         keyform=str2fmt(*(++argv));
 206                         }
 207                 else if (strcmp(*argv,"-in") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         infile= *(++argv);
 211                         }
 212                 else if (strcmp(*argv,"-out") == 0)
 213                         {
 214                         if (--argc < 1) goto bad;
 215                         outfile= *(++argv);
 216                         }
 217                 else if (strcmp(*argv,"-keyout") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         keyout= *(++argv);
 221                         }
 222                 else if (strcmp(*argv,"-newkey") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         p= *(++argv);
 226                         if ((strncmp("rsa:",p,4) == 0) ||
 227                                 ((p[0] >= '0') && (p[0] <= '9')))
 228                                 {
 229                                 pkey_type=TYPE_RSA;
 230                                 p+=4;
 231                                 newkey= atoi(p);
 232                                 }
 233                         else
 234 #ifndef NO_DSA
 235                                 if (strncmp("dsa:",p,4) == 0)
 236                                 {
 237                                 X509 *xtmp=NULL;
 238                                 EVP_PKEY *dtmp;
 239
 240                                 pkey_type=TYPE_DSA;
 241                                 p+=4;
 242                                 if ((in=BIO_new_file(p,"r")) == NULL)
 243                                         {
 244                                         perror(p);
 245                                         goto end;
 246                                         }
 247                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
 248                                         {
 249                                         ERR_clear_error();
 250                                         BIO_reset(in);
 251                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
 252                                                 {
 253                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 254                                                 goto end;
 255                                                 }
 256
 257                                         /* This will 'disapear'
 258                                          * when we free xtmp */
 259                                         dtmp=X509_get_pubkey(xtmp);
 260                                         if (dtmp->type == EVP_PKEY_DSA)
 261                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 262                                         X509_free(xtmp);
 263                                         if (dsa_params == NULL)
 264                                                 {
 265                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 266                                                 goto end;
 267                                                 }
 268                                         }
 269                                 BIO_free(in);
 270                                 newkey=BN_num_bits(dsa_params->p);
 271                                 in=NULL;
 272                                 }
 273                         else
 274 #endif
 275 #ifndef NO_DH
 276                                 if (strncmp("dh:",p,4) == 0)
 277                                 {
 278                                 pkey_type=TYPE_DH;
 279                                 p+=3;
 280                                 }
 281                         else
 282 #endif
 283                                 pkey_type=TYPE_RSA;
 284
 285                         newreq=1;
 286                         }
 287                 else if (strcmp(*argv,"-modulus") == 0)
 288                         modulus=1;
 289                 else if (strcmp(*argv,"-verify") == 0)
 290                         verify=1;
 291                 else if (strcmp(*argv,"-nodes") == 0)
 292                         nodes=1;
 293                 else if (strcmp(*argv,"-noout") == 0)
 294                         noout=1;
 295                 else if (strcmp(*argv,"-text") == 0)
 296                         text=1;
 297                 else if (strcmp(*argv,"-x509") == 0)
 298                         x509=1;
 299                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 300                         kludge=1;
 301                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 302                         kludge=0;
 303                 else if (strcmp(*argv,"-days") == 0)
 304                         {
 305                         if (--argc < 1) goto bad;
 306                         days= atoi(*(++argv));
 307                         if (days == 0) days=30;
 308                         }
 309                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 310                         {
 311                         /* ok */
 312                         digest=md_alg;
 313                         }
 314                 else
 315
 316                         {
 317                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 318                         badops=1;
 319                         break;
 320                         }
 321                 argc--;
 322                 argv++;
 323                 }
 324
 325         if (badops)
 326                 {
 327 bad:
 328                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 329                 BIO_printf(bio_err,"where options  are\n");
 330                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 331                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 332                 BIO_printf(bio_err," -in arg        inout file\n");
 333                 BIO_printf(bio_err," -out arg       output file\n");
 334                 BIO_printf(bio_err," -text          text form of request\n");
 335                 BIO_printf(bio_err," -noout         do not output REQ\n");
 336                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 337                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 338                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 339                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 340                 BIO_printf(bio_err," -keyform arg   key file format\n");
 341                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 342                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 343                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 344
 345                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 346                 BIO_printf(bio_err," -config file   request templace file.\n");
 347                 BIO_printf(bio_err," -new           new request.\n");
 348                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 349                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 350                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 351                 BIO_printf(bio_err,"                have been reported as requiring\n");
 352                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 353                 goto end;
 354                 }
 355
 356         ERR_load_crypto_strings();
 357
 358 #ifndef MONOLITH
 359         /* Lets load up our environment a little */
 360         p=getenv("SSLEAY_CONF");
 361         if (p == NULL)
 362                 {
 363                 strcpy(config_name,X509_get_default_cert_area());
 364                 strcat(config_name,"/lib/");
 365                 strcat(config_name,SSLEAY_CONF);
 366                 p=config_name;
 367                 }
 368         default_config_file=p;
 369         config=CONF_load(config,p,NULL);
 370 #endif
 371
 372         if (template != NULL)
 373                 {
 374                 long errline;
 375
 376                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 377                 req_conf=CONF_load(NULL,template,&errline);
 378                 if (req_conf == NULL)
 379                         {
 380                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 381                         goto end;
 382                         }
 383                 }
 384         else
 385                 {
 386                 req_conf=config;
 387                 BIO_printf(bio_err,"Using configuration from %s\n",
 388                         default_config_file);
 389                 if (req_conf == NULL)
 390                         {
 391                         BIO_printf(bio_err,"Unable to load config info\n");
 392                         }
 393                 }
 394
 395         if ((md_alg == NULL) &&
 396                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 397                 {
 398                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 399                         digest=md_alg;
 400                 }
 401
 402         in=BIO_new(BIO_s_file());
 403         out=BIO_new(BIO_s_file());
 404         if ((in == NULL) || (out == NULL))
 405                 goto end;
 406
 407         if (keyfile != NULL)
 408                 {
 409                 if (BIO_read_filename(in,keyfile) <= 0)
 410                         {
 411                         perror(keyfile);
 412                         goto end;
 413                         }
 414
 415 /*              if (keyform == FORMAT_ASN1)
 416                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 417                 else */
 418                 if (keyform == FORMAT_PEM)
 419                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
 420                 else
 421                         {
 422                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 423                         goto end;
 424                         }
 425
 426                 if (pkey == NULL)
 427                         {
 428                         BIO_printf(bio_err,"unable to load Private key\n");
 429                         goto end;
 430                         }
 431                 }
 432
 433         if (newreq && (pkey == NULL))
 434                 {
 435                 char *randfile;
 436                 char buffer[200];
 437
 438                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 439                         randfile=RAND_file_name(buffer,200);
 440 #ifdef WINDOWS
 441                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 442                 BIO_flush(bio_err);
 443                 RAND_screen();
 444                 BIO_printf(bio_err," done\n");
 445 #endif
 446                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 447                         {
 448                         BIO_printf(bio_err,"unable to load 'random state'\n");
 449                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 450                         BIO_printf(bio_err,"with much random data.\n");
 451                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 452                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 453                         }
 454                 if (newkey <= 0)
 455                         {
 456                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 457                         if (newkey <= 0)
 458                                 newkey=DEFAULT_KEY_LENGTH;
 459                         }
 460
 461                 if (newkey < MIN_KEY_LENGTH)
 462                         {
 463                         BIO_printf(bio_err,"private key length is too short,\n");
 464                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 465                         goto end;
 466                         }
 467                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 468                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 469
 470                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 471
 472 #ifndef NO_RSA
 473                 if (pkey_type == TYPE_RSA)
 474                         {
 475                         if (!EVP_PKEY_assign_RSA(pkey,
 476                                 RSA_generate_key(newkey,0x10001,
 477                                         req_cb,(char *)bio_err)))
 478                                 goto end;
 479                         }
 480                 else
 481 #endif
 482 #ifndef NO_DSA
 483                         if (pkey_type == TYPE_DSA)
 484                         {
 485                         if (!DSA_generate_key(dsa_params)) goto end;
 486                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 487                         dsa_params=NULL;
 488                         }
 489 #endif
 490
 491                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 492                         BIO_printf(bio_err,"unable to write 'random state'\n");
 493
 494                 if (pkey == NULL) goto end;
 495
 496                 if (keyout == NULL)
 497                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 498
 499                 if (keyout == NULL)
 500                         {
 501                         BIO_printf(bio_err,"writing new private key to stdout\n");
 502                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 503                         }
 504                 else
 505                         {
 506                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 507                         if (BIO_write_filename(out,keyout) <= 0)
 508                                 {
 509                                 perror(keyout);
 510                                 goto end;
 511                                 }
 512                         }
 513
 514                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 515                 if (p == NULL)
 516                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 517                 if ((p != NULL) && (strcmp(p,"no") == 0))
 518                         cipher=NULL;
 519                 if (nodes) cipher=NULL;
 520
 521                 i=0;
 522 loop:
 523                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 524                         NULL,0,NULL))
 525                         {
 526                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 527                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 528                                 {
 529                                 ERR_clear_error();
 530                                 i++;
 531                                 goto loop;
 532                                 }
 533                         goto end;
 534                         }
 535                 BIO_printf(bio_err,"-----\n");
 536                 }
 537
 538         if (!newreq)
 539                 {
 540                 /* Since we are using a pre-existing certificate
 541                  * request, the kludge 'format' info should not be
 542                  * changed. */
 543                 kludge= -1;
 544                 if (infile == NULL)
 545                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 546                 else
 547                         {
 548                         if (BIO_read_filename(in,infile) <= 0)
 549                                 {
 550                                 perror(infile);
 551                                 goto end;
 552                                 }
 553                         }
 554
 555                 if      (informat == FORMAT_ASN1)
 556                         req=d2i_X509_REQ_bio(in,NULL);
 557                 else if (informat == FORMAT_PEM)
 558                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 559                 else
 560                         {
 561                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 562                         goto end;
 563                         }
 564                 if (req == NULL)
 565                         {
 566                         BIO_printf(bio_err,"unable to load X509 request\n");
 567                         goto end;
 568                         }
 569                 }
 570
 571         if (newreq || x509)
 572                 {
 573 #ifndef NO_DSA
 574                 if (pkey->type == EVP_PKEY_DSA)
 575                         digest=EVP_dss1();
 576 #endif
 577
 578                 if (pkey == NULL)
 579                         {
 580                         BIO_printf(bio_err,"you need to specify a private key\n");
 581                         goto end;
 582                         }
 583                 if (req == NULL)
 584                         {
 585                         req=X509_REQ_new();
 586                         if (req == NULL)
 587                                 {
 588                                 goto end;
 589                                 }
 590
 591                         i=make_REQ(req,pkey,!x509);
 592                         if (kludge >= 0)
 593                                 req->req_info->req_kludge=kludge;
 594                         if (!i)
 595                                 {
 596                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 597                                 goto end;
 598                                 }
 599                         }
 600                 if (x509)
 601                         {
 602                         if ((x509ss=X509_new()) == NULL) goto end;
 603
 604                         /* don't set the version number, for starters
 605                          * the field is null and second, null is v0
 606                          * if (!ASN1_INTEGER_set(ci->version,0L)) goto end;
 607                          */
 608                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 609
 610                         X509_set_issuer_name(x509ss,
 611                                 X509_REQ_get_subject_name(req));
 612                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 613                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 614                                 (long)60*60*24*days);
 615                         X509_set_subject_name(x509ss,
 616                                 X509_REQ_get_subject_name(req));
 617                         X509_set_pubkey(x509ss,X509_REQ_get_pubkey(req));
 618
 619                         if (!(i=X509_sign(x509ss,pkey,digest)))
 620                                 goto end;
 621                         }
 622                 else
 623                         {
 624                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 625                                 goto end;
 626                         }
 627                 }
 628
 629         if (verify && !x509)
 630                 {
 631                 int tmp=0;
 632
 633                 if (pkey == NULL)
 634                         {
 635                         pkey=X509_REQ_get_pubkey(req);
 636                         tmp=1;
 637                         if (pkey == NULL) goto end;
 638                         }
 639
 640                 i=X509_REQ_verify(req,pkey);
 641                 if (tmp) pkey=NULL;
 642
 643                 if (i < 0)
 644                         {
 645                         goto end;
 646                         }
 647                 else if (i == 0)
 648                         {
 649                         BIO_printf(bio_err,"verify failure\n");
 650                         }
 651                 else /* if (i > 0) */
 652                         BIO_printf(bio_err,"verify OK\n");
 653                 }
 654
 655         if (noout && !text && !modulus)
 656                 {
 657                 ex=0;
 658                 goto end;
 659                 }
 660
 661         if (outfile == NULL)
 662                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 663         else
 664                 {
 665                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 666                         i=(int)BIO_append_filename(out,outfile);
 667                 else
 668                         i=(int)BIO_write_filename(out,outfile);
 669                 if (!i)
 670                         {
 671                         perror(outfile);
 672                         goto end;
 673                         }
 674                 }
 675
 676         if (text)
 677                 {
 678                 if (x509)
 679                         X509_print(out,x509ss);
 680                 else
 681                         X509_REQ_print(out,req);
 682                 }
 683
 684         if (modulus)
 685                 {
 686                 EVP_PKEY *pubkey;
 687
 688                 if (x509)
 689                         pubkey=X509_get_pubkey(x509ss);
 690                 else
 691                         pubkey=X509_REQ_get_pubkey(req);
 692                 if (pubkey == NULL)
 693                         {
 694                         fprintf(stdout,"Modulus=unavailable\n");
 695                         goto end;
 696                         }
 697                 fprintf(stdout,"Modulus=");
 698                 if (pubkey->type == EVP_PKEY_RSA)
 699                         BN_print(out,pubkey->pkey.rsa->n);
 700                 else
 701                         fprintf(stdout,"Wrong Algorithm type");
 702                 fprintf(stdout,"\n");
 703                 }
 704
 705         if (!noout && !x509)
 706                 {
 707                 if      (outformat == FORMAT_ASN1)
 708                         i=i2d_X509_REQ_bio(out,req);
 709                 else if (outformat == FORMAT_PEM)
 710                         i=PEM_write_bio_X509_REQ(out,req);
 711                 else    {
 712                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 713                         goto end;
 714                         }
 715                 if (!i)
 716                         {
 717                         BIO_printf(bio_err,"unable to write X509 request\n");
 718                         goto end;
 719                         }
 720                 }
 721         if (!noout && x509 && (x509ss != NULL))
 722                 {
 723                 if      (outformat == FORMAT_ASN1)
 724                         i=i2d_X509_bio(out,x509ss);
 725                 else if (outformat == FORMAT_PEM)
 726                         i=PEM_write_bio_X509(out,x509ss);
 727                 else    {
 728                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 729                         goto end;
 730                         }
 731                 if (!i)
 732                         {
 733                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 734                         goto end;
 735                         }
 736                 }
 737         ex=0;
 738 end:
 739         if (ex)
 740                 {
 741                 ERR_print_errors(bio_err);
 742                 }
 743         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 744         if (in != NULL) BIO_free(in);
 745         if (out != NULL) BIO_free(out);
 746         if (pkey != NULL) EVP_PKEY_free(pkey);
 747         if (req != NULL) X509_REQ_free(req);
 748         if (x509ss != NULL) X509_free(x509ss);
 749 #ifndef NO_DSA
 750         if (dsa_params != NULL) DSA_free(dsa_params);
 751 #endif
 752         EXIT(ex);
 753         }
 754
 755 static int make_REQ(req,pkey,attribs)
 756 X509_REQ *req;
 757 EVP_PKEY *pkey;
 758 int attribs;
 759         {
 760         int ret=0,i,j;
 761         unsigned char *p,*q;
 762         X509_REQ_INFO *ri;
 763         char buf[100];
 764         int nid,min,max;
 765         char *type,*def,*tmp,*value,*tmp_attr;
 766         STACK *sk,*attr=NULL;
 767         CONF_VALUE *v;
 768
 769         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 770         if (tmp == NULL)
 771                 {
 772                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 773                         DISTINGUISHED_NAME);
 774                 goto err;
 775                 }
 776         sk=CONF_get_section(req_conf,tmp);
 777         if (sk == NULL)
 778                 {
 779                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 780                 goto err;
 781                 }
 782
 783         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 784         if (tmp_attr == NULL)
 785                 attr=NULL;
 786         else
 787                 {
 788                 attr=CONF_get_section(req_conf,tmp_attr);
 789                 if (attr == NULL)
 790                         {
 791                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 792                         goto err;
 793                         }
 794                 }
 795
 796         ri=req->req_info;
 797
 798         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 799         BIO_printf(bio_err,"into your certificate request.\n");
 800         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 801         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 802         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 803         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 804         BIO_printf(bio_err,"-----\n");
 805
 806         /* setup version number */
 807         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 808
 809         if (sk_num(sk))
 810                 {
 811                 i= -1;
 812 start:          for (;;)
 813                         {
 814                         i++;
 815                         if ((int)sk_num(sk) <= i) break;
 816
 817                         v=(CONF_VALUE *)sk_value(sk,i);
 818                         p=q=NULL;
 819                         type=v->name;
 820                         /* Allow for raw OIDs */
 821                         /* [n.mm.ooo.ppp] */
 822                         for (j=0; type[j] != '\0'; j++)
 823                                 {
 824                                 if (    (type[j] == ':') ||
 825                                         (type[j] == ',') ||
 826                                         (type[j] == '.'))
 827                                         p=(unsigned char *)&(type[j+1]);
 828                                 if (type[j] == '[')
 829                                         {
 830                                         p=(unsigned char *)&(type[j+1]);
 831                                         for (j++; type[j] != '\0'; j++)
 832                                                 if (type[j] == ']')
 833                                                         {
 834                                                         q=(unsigned char *)&(type[j]);
 835                                                         break;
 836                                                         }
 837                                         break;
 838                                         }
 839                                 }
 840                         if (p != NULL)
 841                                 type=(char *)p;
 842                         if ((nid=OBJ_txt2nid(type)) == NID_undef)
 843                                 {
 844                                 /* Add a new one if possible */
 845                                 if ((p != NULL) && (q != NULL) && (*q == ']'))
 846                                         {
 847                                         *q='\0';
 848                                         nid=OBJ_create((char *)p,NULL,NULL);
 849                                         *q=']';
 850                                         if (nid == NID_undef) goto start;
 851                                         }
 852                                 else
 853                                         goto start;
 854                                 }
 855
 856                         sprintf(buf,"%s_default",v->name);
 857                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 858                                 def="";
 859
 860                         sprintf(buf,"%s_value",v->name);
 861                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 862                                 value=NULL;
 863
 864                         sprintf(buf,"%s_min",v->name);
 865                         min=(int)CONF_get_number(req_conf,tmp,buf);
 866
 867                         sprintf(buf,"%s_max",v->name);
 868                         max=(int)CONF_get_number(req_conf,tmp,buf);
 869
 870                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 871                                 min,max))
 872                                 goto err;
 873                         }
 874                 if (sk_num(ri->subject->entries) == 0)
 875                         {
 876                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 877                         goto err;
 878                         }
 879
 880                 if (attribs)
 881                         {
 882                         if ((attr != NULL) && (sk_num(attr) > 0))
 883                                 {
 884                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 885                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 886                                 }
 887
 888                         i= -1;
 889 start2:                 for (;;)
 890                                 {
 891                                 i++;
 892                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 893                                         break;
 894
 895                                 v=(CONF_VALUE *)sk_value(attr,i);
 896                                 type=v->name;
 897                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 898                                         goto start2;
 899
 900                                 sprintf(buf,"%s_default",type);
 901                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 902                                         == NULL)
 903                                         def="";
 904
 905                                 sprintf(buf,"%s_value",type);
 906                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 907                                         == NULL)
 908                                         value=NULL;
 909
 910                                 sprintf(buf,"%s_min",type);
 911                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 912
 913                                 sprintf(buf,"%s_max",type);
 914                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 915
 916                                 if (!add_attribute_object(ri->attributes,
 917                                         v->value,def,value,nid,min,max))
 918                                         goto err;
 919                                 }
 920                         }
 921                 }
 922         else
 923                 {
 924                 BIO_printf(bio_err,"No template, please set one up.\n");
 925                 goto err;
 926                 }
 927
 928         X509_REQ_set_pubkey(req,pkey);
 929
 930         ret=1;
 931 err:
 932         return(ret);
 933         }
 934
 935 static int add_DN_object(n,text,def,value,nid,min,max)
 936 X509_NAME *n;
 937 char *text;
 938 char *def;
 939 char *value;
 940 int nid;
 941 int min;
 942 int max;
 943         {
 944         int i,j,ret=0;
 945         X509_NAME_ENTRY *ne=NULL;
 946         MS_STATIC char buf[1024];
 947
 948         BIO_printf(bio_err,"%s [%s]:",text,def);
 949         BIO_flush(bio_err);
 950         if (value != NULL)
 951                 {
 952                 strcpy(buf,value);
 953                 strcat(buf,"\n");
 954                 BIO_printf(bio_err,"%s\n",value);
 955                 }
 956         else
 957                 {
 958                 buf[0]='\0';
 959                 fgets(buf,1024,stdin);
 960                 }
 961
 962         if (buf[0] == '\0') return(0);
 963         else if (buf[0] == '\n')
 964                 {
 965                 if ((def == NULL) || (def[0] == '\0'))
 966                         return(1);
 967                 strcpy(buf,def);
 968                 strcat(buf,"\n");
 969                 }
 970         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
 971
 972         i=strlen(buf);
 973         if (buf[i-1] != '\n')
 974                 {
 975                 BIO_printf(bio_err,"weird input :-(\n");
 976                 return(0);
 977                 }
 978         buf[--i]='\0';
 979
 980         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
 981         if (req_fix_data(nid,&j,i,min,max) == 0)
 982                 goto err;
 983         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
 984                 strlen(buf)))
 985                 == NULL) goto err;
 986         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
 987                 goto err;
 988
 989         ret=1;
 990 err:
 991         if (ne != NULL) X509_NAME_ENTRY_free(ne);
 992         return(ret);
 993         }
 994
 995 static int add_attribute_object(n,text,def,value,nid,min,max)
 996 STACK *n;
 997 char *text;
 998 char *def;
 999 char *value;
1000 int nid;
1001 int min;
1002 int max;
1003         {
1004         int i,z;
1005         X509_ATTRIBUTE *xa=NULL;
1006         static char buf[1024];
1007         ASN1_BIT_STRING *bs=NULL;
1008         ASN1_TYPE *at=NULL;
1009
1010 start:
1011         BIO_printf(bio_err,"%s [%s]:",text,def);
1012         BIO_flush(bio_err);
1013         if (value != NULL)
1014                 {
1015                 strcpy(buf,value);
1016                 strcat(buf,"\n");
1017                 BIO_printf(bio_err,"%s\n",value);
1018                 }
1019         else
1020                 {
1021                 buf[0]='\0';
1022                 fgets(buf,1024,stdin);
1023                 }
1024
1025         if (buf[0] == '\0') return(0);
1026         else if (buf[0] == '\n')
1027                 {
1028                 if ((def == NULL) || (def[0] == '\0'))
1029                         return(1);
1030                 strcpy(buf,def);
1031                 strcat(buf,"\n");
1032                 }
1033         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1034
1035         i=strlen(buf);
1036         if (buf[i-1] != '\n')
1037                 {
1038                 BIO_printf(bio_err,"weird input :-(\n");
1039                 return(0);
1040                 }
1041         buf[--i]='\0';
1042
1043         /* add object plus value */
1044         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1045                 goto err;
1046         if ((xa->value.set=sk_new_null()) == NULL)
1047                 goto err;
1048         xa->set=1;
1049
1050         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1051         xa->object=OBJ_nid2obj(nid);
1052
1053         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1054
1055         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1056
1057         z=req_fix_data(nid,&bs->type,i,min,max);
1058         if (z == 0)
1059                 {
1060                 if (value == NULL)
1061                         goto start;
1062                 else    goto err;
1063                 }
1064
1065         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1066                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1067
1068         if ((at=ASN1_TYPE_new()) == NULL)
1069                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1070
1071         ASN1_TYPE_set(at,bs->type,(char *)bs);
1072         sk_push(xa->value.set,(char *)at);
1073         bs=NULL;
1074         at=NULL;
1075         /* only one item per attribute */
1076
1077         if (!sk_push(n,(char *)xa)) goto err;
1078         return(1);
1079 err:
1080         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1081         if (at != NULL) ASN1_TYPE_free(at);
1082         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1083         return(0);
1084         }
1085
1086 static void MS_CALLBACK req_cb(p,n,arg)
1087 int p;
1088 int n;
1089 char *arg;
1090         {
1091         char c='*';
1092
1093         if (p == 0) c='.';
1094         if (p == 1) c='+';
1095         if (p == 2) c='*';
1096         if (p == 3) c='\n';
1097         BIO_write((BIO *)arg,&c,1);
1098         BIO_flush((BIO *)arg);
1099 #ifdef LINT
1100         p=n;
1101 #endif
1102         }
1103
1104 static int req_fix_data(nid,type,len,min,max)
1105 int nid;
1106 int *type;
1107 int len,min,max;
1108         {
1109         if (nid == NID_pkcs9_emailAddress)
1110                 *type=V_ASN1_IA5STRING;
1111         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1112                 *type=V_ASN1_T61STRING;
1113         if ((nid == NID_pkcs9_challengePassword) &&
1114                 (*type == V_ASN1_IA5STRING))
1115                 *type=V_ASN1_T61STRING;
1116
1117         if ((nid == NID_pkcs9_unstructuredName) &&
1118                 (*type == V_ASN1_T61STRING))
1119                 {
1120                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1121                 return(0);
1122                 }
1123         if (nid == NID_pkcs9_unstructuredName)
1124                 *type=V_ASN1_IA5STRING;
1125
1126         if (len < min)
1127                 {
1128                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1129                 return(0);
1130                 }
1131         if ((max != 0) && (len > max))
1132                 {
1133                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1134                 return(0);
1135                 }
1136         return(1);
1137         }