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 (req_conf != NULL)
 396                 {
 397                 p=CONF_get_string(req_conf,NULL,"oid_file");
 398                 if (p != NULL)
 399                         {
 400                         BIO *oid_bio;
 401
 402                         oid_bio=BIO_new_file(p,"r");
 403                         if (oid_bio == NULL)
 404                                 {
 405                                 /*
 406                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 407                                 ERR_print_errors(bio_err);
 408                                 */
 409                                 }
 410                         else
 411                                 {
 412                                 OBJ_create_objects(oid_bio);
 413                                 BIO_free(oid_bio);
 414                                 }
 415                         }
 416                 }
 417
 418         if ((md_alg == NULL) &&
 419                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 420                 {
 421                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 422                         digest=md_alg;
 423                 }
 424
 425         in=BIO_new(BIO_s_file());
 426         out=BIO_new(BIO_s_file());
 427         if ((in == NULL) || (out == NULL))
 428                 goto end;
 429
 430         if (keyfile != NULL)
 431                 {
 432                 if (BIO_read_filename(in,keyfile) <= 0)
 433                         {
 434                         perror(keyfile);
 435                         goto end;
 436                         }
 437
 438 /*              if (keyform == FORMAT_ASN1)
 439                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 440                 else */
 441                 if (keyform == FORMAT_PEM)
 442                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
 443                 else
 444                         {
 445                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 446                         goto end;
 447                         }
 448
 449                 if (pkey == NULL)
 450                         {
 451                         BIO_printf(bio_err,"unable to load Private key\n");
 452                         goto end;
 453                         }
 454                 }
 455
 456         if (newreq && (pkey == NULL))
 457                 {
 458                 char *randfile;
 459                 char buffer[200];
 460
 461                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 462                         randfile=RAND_file_name(buffer,200);
 463 #ifdef WINDOWS
 464                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 465                 BIO_flush(bio_err);
 466                 RAND_screen();
 467                 BIO_printf(bio_err," done\n");
 468 #endif
 469                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 470                         {
 471                         BIO_printf(bio_err,"unable to load 'random state'\n");
 472                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 473                         BIO_printf(bio_err,"with much random data.\n");
 474                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 475                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 476                         }
 477                 if (newkey <= 0)
 478                         {
 479                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 480                         if (newkey <= 0)
 481                                 newkey=DEFAULT_KEY_LENGTH;
 482                         }
 483
 484                 if (newkey < MIN_KEY_LENGTH)
 485                         {
 486                         BIO_printf(bio_err,"private key length is too short,\n");
 487                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 488                         goto end;
 489                         }
 490                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 491                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 492
 493                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 494
 495 #ifndef NO_RSA
 496                 if (pkey_type == TYPE_RSA)
 497                         {
 498                         if (!EVP_PKEY_assign_RSA(pkey,
 499                                 RSA_generate_key(newkey,0x10001,
 500                                         req_cb,(char *)bio_err)))
 501                                 goto end;
 502                         }
 503                 else
 504 #endif
 505 #ifndef NO_DSA
 506                         if (pkey_type == TYPE_DSA)
 507                         {
 508                         if (!DSA_generate_key(dsa_params)) goto end;
 509                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 510                         dsa_params=NULL;
 511                         }
 512 #endif
 513
 514                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 515                         BIO_printf(bio_err,"unable to write 'random state'\n");
 516
 517                 if (pkey == NULL) goto end;
 518
 519                 if (keyout == NULL)
 520                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 521
 522                 if (keyout == NULL)
 523                         {
 524                         BIO_printf(bio_err,"writing new private key to stdout\n");
 525                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 526                         }
 527                 else
 528                         {
 529                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 530                         if (BIO_write_filename(out,keyout) <= 0)
 531                                 {
 532                                 perror(keyout);
 533                                 goto end;
 534                                 }
 535                         }
 536
 537                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 538                 if (p == NULL)
 539                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 540                 if ((p != NULL) && (strcmp(p,"no") == 0))
 541                         cipher=NULL;
 542                 if (nodes) cipher=NULL;
 543
 544                 i=0;
 545 loop:
 546                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 547                         NULL,0,NULL))
 548                         {
 549                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 550                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 551                                 {
 552                                 ERR_clear_error();
 553                                 i++;
 554                                 goto loop;
 555                                 }
 556                         goto end;
 557                         }
 558                 BIO_printf(bio_err,"-----\n");
 559                 }
 560
 561         if (!newreq)
 562                 {
 563                 /* Since we are using a pre-existing certificate
 564                  * request, the kludge 'format' info should not be
 565                  * changed. */
 566                 kludge= -1;
 567                 if (infile == NULL)
 568                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 569                 else
 570                         {
 571                         if (BIO_read_filename(in,infile) <= 0)
 572                                 {
 573                                 perror(infile);
 574                                 goto end;
 575                                 }
 576                         }
 577
 578                 if      (informat == FORMAT_ASN1)
 579                         req=d2i_X509_REQ_bio(in,NULL);
 580                 else if (informat == FORMAT_PEM)
 581                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 582                 else
 583                         {
 584                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 585                         goto end;
 586                         }
 587                 if (req == NULL)
 588                         {
 589                         BIO_printf(bio_err,"unable to load X509 request\n");
 590                         goto end;
 591                         }
 592                 }
 593
 594         if (newreq || x509)
 595                 {
 596 #ifndef NO_DSA
 597                 if (pkey->type == EVP_PKEY_DSA)
 598                         digest=EVP_dss1();
 599 #endif
 600
 601                 if (pkey == NULL)
 602                         {
 603                         BIO_printf(bio_err,"you need to specify a private key\n");
 604                         goto end;
 605                         }
 606                 if (req == NULL)
 607                         {
 608                         req=X509_REQ_new();
 609                         if (req == NULL)
 610                                 {
 611                                 goto end;
 612                                 }
 613
 614                         i=make_REQ(req,pkey,!x509);
 615                         if (kludge >= 0)
 616                                 req->req_info->req_kludge=kludge;
 617                         if (!i)
 618                                 {
 619                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 620                                 goto end;
 621                                 }
 622                         }
 623                 if (x509)
 624                         {
 625                         if ((x509ss=X509_new()) == NULL) goto end;
 626
 627                         /* don't set the version number, for starters
 628                          * the field is null and second, null is v0
 629                          * if (!ASN1_INTEGER_set(ci->version,0L)) goto end;
 630                          */
 631                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 632
 633                         X509_set_issuer_name(x509ss,
 634                                 X509_REQ_get_subject_name(req));
 635                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 636                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 637                                 (long)60*60*24*days);
 638                         X509_set_subject_name(x509ss,
 639                                 X509_REQ_get_subject_name(req));
 640                         X509_set_pubkey(x509ss,X509_REQ_get_pubkey(req));
 641
 642                         if (!(i=X509_sign(x509ss,pkey,digest)))
 643                                 goto end;
 644                         }
 645                 else
 646                         {
 647                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 648                                 goto end;
 649                         }
 650                 }
 651
 652         if (verify && !x509)
 653                 {
 654                 int tmp=0;
 655
 656                 if (pkey == NULL)
 657                         {
 658                         pkey=X509_REQ_get_pubkey(req);
 659                         tmp=1;
 660                         if (pkey == NULL) goto end;
 661                         }
 662
 663                 i=X509_REQ_verify(req,pkey);
 664                 if (tmp) pkey=NULL;
 665
 666                 if (i < 0)
 667                         {
 668                         goto end;
 669                         }
 670                 else if (i == 0)
 671                         {
 672                         BIO_printf(bio_err,"verify failure\n");
 673                         }
 674                 else /* if (i > 0) */
 675                         BIO_printf(bio_err,"verify OK\n");
 676                 }
 677
 678         if (noout && !text && !modulus)
 679                 {
 680                 ex=0;
 681                 goto end;
 682                 }
 683
 684         if (outfile == NULL)
 685                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 686         else
 687                 {
 688                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 689                         i=(int)BIO_append_filename(out,outfile);
 690                 else
 691                         i=(int)BIO_write_filename(out,outfile);
 692                 if (!i)
 693                         {
 694                         perror(outfile);
 695                         goto end;
 696                         }
 697                 }
 698
 699         if (text)
 700                 {
 701                 if (x509)
 702                         X509_print(out,x509ss);
 703                 else
 704                         X509_REQ_print(out,req);
 705                 }
 706
 707         if (modulus)
 708                 {
 709                 EVP_PKEY *pubkey;
 710
 711                 if (x509)
 712                         pubkey=X509_get_pubkey(x509ss);
 713                 else
 714                         pubkey=X509_REQ_get_pubkey(req);
 715                 if (pubkey == NULL)
 716                         {
 717                         fprintf(stdout,"Modulus=unavailable\n");
 718                         goto end;
 719                         }
 720                 fprintf(stdout,"Modulus=");
 721 #ifndef NO_RSA
 722                 if (pubkey->type == EVP_PKEY_RSA)
 723                         BN_print(out,pubkey->pkey.rsa->n);
 724                 else
 725 #endif
 726                         fprintf(stdout,"Wrong Algorithm type");
 727                 fprintf(stdout,"\n");
 728                 }
 729
 730         if (!noout && !x509)
 731                 {
 732                 if      (outformat == FORMAT_ASN1)
 733                         i=i2d_X509_REQ_bio(out,req);
 734                 else if (outformat == FORMAT_PEM)
 735                         i=PEM_write_bio_X509_REQ(out,req);
 736                 else    {
 737                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 738                         goto end;
 739                         }
 740                 if (!i)
 741                         {
 742                         BIO_printf(bio_err,"unable to write X509 request\n");
 743                         goto end;
 744                         }
 745                 }
 746         if (!noout && x509 && (x509ss != NULL))
 747                 {
 748                 if      (outformat == FORMAT_ASN1)
 749                         i=i2d_X509_bio(out,x509ss);
 750                 else if (outformat == FORMAT_PEM)
 751                         i=PEM_write_bio_X509(out,x509ss);
 752                 else    {
 753                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 754                         goto end;
 755                         }
 756                 if (!i)
 757                         {
 758                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 759                         goto end;
 760                         }
 761                 }
 762         ex=0;
 763 end:
 764         if (ex)
 765                 {
 766                 ERR_print_errors(bio_err);
 767                 }
 768         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 769         if (in != NULL) BIO_free(in);
 770         if (out != NULL) BIO_free(out);
 771         if (pkey != NULL) EVP_PKEY_free(pkey);
 772         if (req != NULL) X509_REQ_free(req);
 773         if (x509ss != NULL) X509_free(x509ss);
 774 #ifndef NO_DSA
 775         if (dsa_params != NULL) DSA_free(dsa_params);
 776 #endif
 777         EXIT(ex);
 778         }
 779
 780 static int make_REQ(req,pkey,attribs)
 781 X509_REQ *req;
 782 EVP_PKEY *pkey;
 783 int attribs;
 784         {
 785         int ret=0,i,j;
 786         unsigned char *p,*q;
 787         X509_REQ_INFO *ri;
 788         char buf[100];
 789         int nid,min,max;
 790         char *type,*def,*tmp,*value,*tmp_attr;
 791         STACK *sk,*attr=NULL;
 792         CONF_VALUE *v;
 793
 794         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 795         if (tmp == NULL)
 796                 {
 797                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 798                         DISTINGUISHED_NAME);
 799                 goto err;
 800                 }
 801         sk=CONF_get_section(req_conf,tmp);
 802         if (sk == NULL)
 803                 {
 804                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 805                 goto err;
 806                 }
 807
 808         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 809         if (tmp_attr == NULL)
 810                 attr=NULL;
 811         else
 812                 {
 813                 attr=CONF_get_section(req_conf,tmp_attr);
 814                 if (attr == NULL)
 815                         {
 816                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 817                         goto err;
 818                         }
 819                 }
 820
 821         ri=req->req_info;
 822
 823         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 824         BIO_printf(bio_err,"into your certificate request.\n");
 825         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 826         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 827         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 828         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 829         BIO_printf(bio_err,"-----\n");
 830
 831         /* setup version number */
 832         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 833
 834         if (sk_num(sk))
 835                 {
 836                 i= -1;
 837 start:          for (;;)
 838                         {
 839                         i++;
 840                         if ((int)sk_num(sk) <= i) break;
 841
 842                         v=(CONF_VALUE *)sk_value(sk,i);
 843                         p=q=NULL;
 844                         type=v->name;
 845                         /* Allow for raw OIDs */
 846                         /* [n.mm.ooo.ppp] */
 847                         for (j=0; type[j] != '\0'; j++)
 848                                 {
 849                                 if (    (type[j] == ':') ||
 850                                         (type[j] == ',') ||
 851                                         (type[j] == '.'))
 852                                         p=(unsigned char *)&(type[j+1]);
 853                                 if (type[j] == '[')
 854                                         {
 855                                         p=(unsigned char *)&(type[j+1]);
 856                                         for (j++; type[j] != '\0'; j++)
 857                                                 if (type[j] == ']')
 858                                                         {
 859                                                         q=(unsigned char *)&(type[j]);
 860                                                         break;
 861                                                         }
 862                                         break;
 863                                         }
 864                                 }
 865                         if (p != NULL)
 866                                 type=(char *)p;
 867                         if ((nid=OBJ_txt2nid(type)) == NID_undef)
 868                                 {
 869                                 /* Add a new one if possible */
 870                                 if ((p != NULL) && (q != NULL) && (*q == ']'))
 871                                         {
 872                                         *q='\0';
 873                                         nid=OBJ_create((char *)p,NULL,NULL);
 874                                         *q=']';
 875                                         if (nid == NID_undef) goto start;
 876                                         }
 877                                 else
 878                                         goto start;
 879                                 }
 880
 881                         sprintf(buf,"%s_default",v->name);
 882                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 883                                 def="";
 884
 885                         sprintf(buf,"%s_value",v->name);
 886                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 887                                 value=NULL;
 888
 889                         sprintf(buf,"%s_min",v->name);
 890                         min=(int)CONF_get_number(req_conf,tmp,buf);
 891
 892                         sprintf(buf,"%s_max",v->name);
 893                         max=(int)CONF_get_number(req_conf,tmp,buf);
 894
 895                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 896                                 min,max))
 897                                 goto err;
 898                         }
 899                 if (sk_num(ri->subject->entries) == 0)
 900                         {
 901                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 902                         goto err;
 903                         }
 904
 905                 if (attribs)
 906                         {
 907                         if ((attr != NULL) && (sk_num(attr) > 0))
 908                                 {
 909                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 910                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 911                                 }
 912
 913                         i= -1;
 914 start2:                 for (;;)
 915                                 {
 916                                 i++;
 917                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 918                                         break;
 919
 920                                 v=(CONF_VALUE *)sk_value(attr,i);
 921                                 type=v->name;
 922                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 923                                         goto start2;
 924
 925                                 sprintf(buf,"%s_default",type);
 926                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 927                                         == NULL)
 928                                         def="";
 929
 930                                 sprintf(buf,"%s_value",type);
 931                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 932                                         == NULL)
 933                                         value=NULL;
 934
 935                                 sprintf(buf,"%s_min",type);
 936                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 937
 938                                 sprintf(buf,"%s_max",type);
 939                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 940
 941                                 if (!add_attribute_object(ri->attributes,
 942                                         v->value,def,value,nid,min,max))
 943                                         goto err;
 944                                 }
 945                         }
 946                 }
 947         else
 948                 {
 949                 BIO_printf(bio_err,"No template, please set one up.\n");
 950                 goto err;
 951                 }
 952
 953         X509_REQ_set_pubkey(req,pkey);
 954
 955         ret=1;
 956 err:
 957         return(ret);
 958         }
 959
 960 static int add_DN_object(n,text,def,value,nid,min,max)
 961 X509_NAME *n;
 962 char *text;
 963 char *def;
 964 char *value;
 965 int nid;
 966 int min;
 967 int max;
 968         {
 969         int i,j,ret=0;
 970         X509_NAME_ENTRY *ne=NULL;
 971         MS_STATIC char buf[1024];
 972
 973         BIO_printf(bio_err,"%s [%s]:",text,def);
 974         BIO_flush(bio_err);
 975         if (value != NULL)
 976                 {
 977                 strcpy(buf,value);
 978                 strcat(buf,"\n");
 979                 BIO_printf(bio_err,"%s\n",value);
 980                 }
 981         else
 982                 {
 983                 buf[0]='\0';
 984                 fgets(buf,1024,stdin);
 985                 }
 986
 987         if (buf[0] == '\0') return(0);
 988         else if (buf[0] == '\n')
 989                 {
 990                 if ((def == NULL) || (def[0] == '\0'))
 991                         return(1);
 992                 strcpy(buf,def);
 993                 strcat(buf,"\n");
 994                 }
 995         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
 996
 997         i=strlen(buf);
 998         if (buf[i-1] != '\n')
 999                 {
1000                 BIO_printf(bio_err,"weird input :-(\n");
1001                 return(0);
1002                 }
1003         buf[--i]='\0';
1004
1005         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1006         if (req_fix_data(nid,&j,i,min,max) == 0)
1007                 goto err;
1008         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1009                 strlen(buf)))
1010                 == NULL) goto err;
1011         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1012                 goto err;
1013
1014         ret=1;
1015 err:
1016         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1017         return(ret);
1018         }
1019
1020 static int add_attribute_object(n,text,def,value,nid,min,max)
1021 STACK *n;
1022 char *text;
1023 char *def;
1024 char *value;
1025 int nid;
1026 int min;
1027 int max;
1028         {
1029         int i,z;
1030         X509_ATTRIBUTE *xa=NULL;
1031         static char buf[1024];
1032         ASN1_BIT_STRING *bs=NULL;
1033         ASN1_TYPE *at=NULL;
1034
1035 start:
1036         BIO_printf(bio_err,"%s [%s]:",text,def);
1037         BIO_flush(bio_err);
1038         if (value != NULL)
1039                 {
1040                 strcpy(buf,value);
1041                 strcat(buf,"\n");
1042                 BIO_printf(bio_err,"%s\n",value);
1043                 }
1044         else
1045                 {
1046                 buf[0]='\0';
1047                 fgets(buf,1024,stdin);
1048                 }
1049
1050         if (buf[0] == '\0') return(0);
1051         else if (buf[0] == '\n')
1052                 {
1053                 if ((def == NULL) || (def[0] == '\0'))
1054                         return(1);
1055                 strcpy(buf,def);
1056                 strcat(buf,"\n");
1057                 }
1058         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1059
1060         i=strlen(buf);
1061         if (buf[i-1] != '\n')
1062                 {
1063                 BIO_printf(bio_err,"weird input :-(\n");
1064                 return(0);
1065                 }
1066         buf[--i]='\0';
1067
1068         /* add object plus value */
1069         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1070                 goto err;
1071         if ((xa->value.set=sk_new_null()) == NULL)
1072                 goto err;
1073         xa->set=1;
1074
1075         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1076         xa->object=OBJ_nid2obj(nid);
1077
1078         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1079
1080         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1081
1082         z=req_fix_data(nid,&bs->type,i,min,max);
1083         if (z == 0)
1084                 {
1085                 if (value == NULL)
1086                         goto start;
1087                 else    goto err;
1088                 }
1089
1090         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1091                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1092
1093         if ((at=ASN1_TYPE_new()) == NULL)
1094                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1095
1096         ASN1_TYPE_set(at,bs->type,(char *)bs);
1097         sk_push(xa->value.set,(char *)at);
1098         bs=NULL;
1099         at=NULL;
1100         /* only one item per attribute */
1101
1102         if (!sk_push(n,(char *)xa)) goto err;
1103         return(1);
1104 err:
1105         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1106         if (at != NULL) ASN1_TYPE_free(at);
1107         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1108         return(0);
1109         }
1110
1111 static void MS_CALLBACK req_cb(p,n,arg)
1112 int p;
1113 int n;
1114 char *arg;
1115         {
1116         char c='*';
1117
1118         if (p == 0) c='.';
1119         if (p == 1) c='+';
1120         if (p == 2) c='*';
1121         if (p == 3) c='\n';
1122         BIO_write((BIO *)arg,&c,1);
1123         BIO_flush((BIO *)arg);
1124 #ifdef LINT
1125         p=n;
1126 #endif
1127         }
1128
1129 static int req_fix_data(nid,type,len,min,max)
1130 int nid;
1131 int *type;
1132 int len,min,max;
1133         {
1134         if (nid == NID_pkcs9_emailAddress)
1135                 *type=V_ASN1_IA5STRING;
1136         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1137                 *type=V_ASN1_T61STRING;
1138         if ((nid == NID_pkcs9_challengePassword) &&
1139                 (*type == V_ASN1_IA5STRING))
1140                 *type=V_ASN1_T61STRING;
1141
1142         if ((nid == NID_pkcs9_unstructuredName) &&
1143                 (*type == V_ASN1_T61STRING))
1144                 {
1145                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1146                 return(0);
1147                 }
1148         if (nid == NID_pkcs9_unstructuredName)
1149                 *type=V_ASN1_IA5STRING;
1150
1151         if (len < min)
1152                 {
1153                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1154                 return(0);
1155                 }
1156         if ((max != 0) && (len > max))
1157                 {
1158                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1159                 return(0);
1160                 }
1161         return(1);
1162         }