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 "x509v3.h"
  75 #include "objects.h"
  76 #include "pem.h"
  77
  78 #define SECTION         "req"
  79
  80 #define BITS            "default_bits"
  81 #define KEYFILE         "default_keyfile"
  82 #define DISTINGUISHED_NAME      "distinguished_name"
  83 #define ATTRIBUTES      "attributes"
  84 #define V3_EXTENSIONS   "x509_extensions"
  85
  86 #define DEFAULT_KEY_LENGTH      512
  87 #define MIN_KEY_LENGTH          384
  88
  89 #undef PROG
  90 #define PROG    req_main
  91
  92 /* -inform arg  - input format - default PEM (one of DER, TXT or PEM)
  93  * -outform arg - output format - default PEM
  94  * -in arg      - input file - default stdin
  95  * -out arg     - output file - default stdout
  96  * -verify      - check request signature
  97  * -noout       - don't print stuff out.
  98  * -text        - print out human readable text.
  99  * -nodes       - no des encryption
 100  * -config file - Load configuration file.
 101  * -key file    - make a request using key in file (or use it for verification).
 102  * -keyform     - key file format.
 103  * -newkey      - make a key and a request.
 104  * -modulus     - print RSA modulus.
 105  * -x509        - output a self signed X509 structure instead.
 106  * -asn1-kludge - output new certificate request in a format that some CA's
 107  *                require.  This format is wrong
 108  */
 109
 110 #ifndef NOPROTO
 111 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs);
 112 static int add_attribute_object(STACK *n, char *text, char *def,
 113         char *value, int nid,int min,int max);
 114 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 115         int nid,int min,int max);
 116 static void MS_CALLBACK req_cb(int p,int n,char *arg);
 117 static int req_fix_data(int nid,int *type,int len,int min,int max);
 118 #else
 119 static int make_REQ();
 120 static int add_attribute_object();
 121 static int add_DN_object();
 122 static void MS_CALLBACK req_cb();
 123 static int req_fix_data();
 124 #endif
 125
 126 #ifndef MONOLITH
 127 static char *default_config_file=NULL;
 128 static LHASH *config=NULL;
 129 #endif
 130 static LHASH *req_conf=NULL;
 131
 132 #define TYPE_RSA        1
 133 #define TYPE_DSA        2
 134 #define TYPE_DH         3
 135
 136 int MAIN(argc, argv)
 137 int argc;
 138 char **argv;
 139         {
 140 #ifndef NO_DSA
 141         DSA *dsa_params=NULL;
 142 #endif
 143         int ex=1,x509=0,days=30;
 144         X509 *x509ss=NULL;
 145         X509_REQ *req=NULL;
 146         EVP_PKEY *pkey=NULL;
 147         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
 148         BIO *in=NULL,*out=NULL;
 149         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 150         int nodes=0,kludge=0;
 151         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 152         char *extensions = NULL;
 153         EVP_CIPHER *cipher=NULL;
 154         int modulus=0;
 155         char *p;
 156         EVP_MD *md_alg=NULL,*digest=EVP_md5();
 157 #ifndef MONOLITH
 158         MS_STATIC char config_name[256];
 159 #endif
 160
 161 #ifndef NO_DES
 162         cipher=EVP_des_ede3_cbc();
 163 #endif
 164         apps_startup();
 165
 166         if (bio_err == NULL)
 167                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 168                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 169
 170         infile=NULL;
 171         outfile=NULL;
 172         informat=FORMAT_PEM;
 173         outformat=FORMAT_PEM;
 174
 175         prog=argv[0];
 176         argc--;
 177         argv++;
 178         while (argc >= 1)
 179                 {
 180                 if      (strcmp(*argv,"-inform") == 0)
 181                         {
 182                         if (--argc < 1) goto bad;
 183                         informat=str2fmt(*(++argv));
 184                         }
 185                 else if (strcmp(*argv,"-outform") == 0)
 186                         {
 187                         if (--argc < 1) goto bad;
 188                         outformat=str2fmt(*(++argv));
 189                         }
 190                 else if (strcmp(*argv,"-key") == 0)
 191                         {
 192                         if (--argc < 1) goto bad;
 193                         keyfile= *(++argv);
 194                         }
 195                 else if (strcmp(*argv,"-new") == 0)
 196                         {
 197                         pkey_type=TYPE_RSA;
 198                         newreq=1;
 199                         }
 200                 else if (strcmp(*argv,"-config") == 0)
 201                         {
 202                         if (--argc < 1) goto bad;
 203                         template= *(++argv);
 204                         }
 205                 else if (strcmp(*argv,"-keyform") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         keyform=str2fmt(*(++argv));
 209                         }
 210                 else if (strcmp(*argv,"-in") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         infile= *(++argv);
 214                         }
 215                 else if (strcmp(*argv,"-out") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         outfile= *(++argv);
 219                         }
 220                 else if (strcmp(*argv,"-keyout") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         keyout= *(++argv);
 224                         }
 225                 else if (strcmp(*argv,"-newkey") == 0)
 226                         {
 227                         int is_numeric;
 228
 229                         if (--argc < 1) goto bad;
 230                         p= *(++argv);
 231                         is_numeric = p[0] >= '0' && p[0] <= '9';
 232                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 233                                 {
 234                                 pkey_type=TYPE_RSA;
 235                                 if(!is_numeric)
 236                                     p+=4;
 237                                 newkey= atoi(p);
 238                                 }
 239                         else
 240 #ifndef NO_DSA
 241                                 if (strncmp("dsa:",p,4) == 0)
 242                                 {
 243                                 X509 *xtmp=NULL;
 244                                 EVP_PKEY *dtmp;
 245
 246                                 pkey_type=TYPE_DSA;
 247                                 p+=4;
 248                                 if ((in=BIO_new_file(p,"r")) == NULL)
 249                                         {
 250                                         perror(p);
 251                                         goto end;
 252                                         }
 253                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
 254                                         {
 255                                         ERR_clear_error();
 256                                         BIO_reset(in);
 257                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
 258                                                 {
 259                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 260                                                 goto end;
 261                                                 }
 262
 263                                         /* This will 'disapear'
 264                                          * when we free xtmp */
 265                                         dtmp=X509_get_pubkey(xtmp);
 266                                         if (dtmp->type == EVP_PKEY_DSA)
 267                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 268                                         X509_free(xtmp);
 269                                         if (dsa_params == NULL)
 270                                                 {
 271                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 272                                                 goto end;
 273                                                 }
 274                                         }
 275                                 BIO_free(in);
 276                                 newkey=BN_num_bits(dsa_params->p);
 277                                 in=NULL;
 278                                 }
 279                         else
 280 #endif
 281 #ifndef NO_DH
 282                                 if (strncmp("dh:",p,4) == 0)
 283                                 {
 284                                 pkey_type=TYPE_DH;
 285                                 p+=3;
 286                                 }
 287                         else
 288 #endif
 289                                 pkey_type=TYPE_RSA;
 290
 291                         newreq=1;
 292                         }
 293                 else if (strcmp(*argv,"-modulus") == 0)
 294                         modulus=1;
 295                 else if (strcmp(*argv,"-verify") == 0)
 296                         verify=1;
 297                 else if (strcmp(*argv,"-nodes") == 0)
 298                         nodes=1;
 299                 else if (strcmp(*argv,"-noout") == 0)
 300                         noout=1;
 301                 else if (strcmp(*argv,"-text") == 0)
 302                         text=1;
 303                 else if (strcmp(*argv,"-x509") == 0)
 304                         x509=1;
 305                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 306                         kludge=1;
 307                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 308                         kludge=0;
 309                 else if (strcmp(*argv,"-days") == 0)
 310                         {
 311                         if (--argc < 1) goto bad;
 312                         days= atoi(*(++argv));
 313                         if (days == 0) days=30;
 314                         }
 315                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 316                         {
 317                         /* ok */
 318                         digest=md_alg;
 319                         }
 320                 else
 321
 322                         {
 323                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 324                         badops=1;
 325                         break;
 326                         }
 327                 argc--;
 328                 argv++;
 329                 }
 330
 331         if (badops)
 332                 {
 333 bad:
 334                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 335                 BIO_printf(bio_err,"where options  are\n");
 336                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 337                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 338                 BIO_printf(bio_err," -in arg        inout file\n");
 339                 BIO_printf(bio_err," -out arg       output file\n");
 340                 BIO_printf(bio_err," -text          text form of request\n");
 341                 BIO_printf(bio_err," -noout         do not output REQ\n");
 342                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 343                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 344                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 345                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 346                 BIO_printf(bio_err," -keyform arg   key file format\n");
 347                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 348                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 349                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 350
 351                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 352                 BIO_printf(bio_err," -config file   request templace file.\n");
 353                 BIO_printf(bio_err," -new           new request.\n");
 354                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 355                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 356                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 357                 BIO_printf(bio_err,"                have been reported as requiring\n");
 358                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 359                 goto end;
 360                 }
 361
 362         ERR_load_crypto_strings();
 363         X509V3_add_standard_extensions();
 364
 365 #ifndef MONOLITH
 366         /* Lets load up our environment a little */
 367         p=getenv("OPENSSL_CONF");
 368         if (p == NULL)
 369                 p=getenv("SSLEAY_CONF");
 370         if (p == NULL)
 371                 {
 372                 strcpy(config_name,X509_get_default_cert_area());
 373                 strcat(config_name,"/lib/");
 374                 strcat(config_name,OPENSSL_CONF);
 375                 p=config_name;
 376                 }
 377         default_config_file=p;
 378         config=CONF_load(config,p,NULL);
 379 #endif
 380
 381         if (template != NULL)
 382                 {
 383                 long errline;
 384
 385                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 386                 req_conf=CONF_load(NULL,template,&errline);
 387                 if (req_conf == NULL)
 388                         {
 389                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 390                         goto end;
 391                         }
 392                 }
 393         else
 394                 {
 395                 req_conf=config;
 396                 BIO_printf(bio_err,"Using configuration from %s\n",
 397                         default_config_file);
 398                 if (req_conf == NULL)
 399                         {
 400                         BIO_printf(bio_err,"Unable to load config info\n");
 401                         }
 402                 }
 403
 404         if (req_conf != NULL)
 405                 {
 406                 p=CONF_get_string(req_conf,NULL,"oid_file");
 407                 if (p != NULL)
 408                         {
 409                         BIO *oid_bio;
 410
 411                         oid_bio=BIO_new_file(p,"r");
 412                         if (oid_bio == NULL)
 413                                 {
 414                                 /*
 415                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 416                                 ERR_print_errors(bio_err);
 417                                 */
 418                                 }
 419                         else
 420                                 {
 421                                 OBJ_create_objects(oid_bio);
 422                                 BIO_free(oid_bio);
 423                                 }
 424                         }
 425                 }
 426
 427         if ((md_alg == NULL) &&
 428                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 429                 {
 430                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 431                         digest=md_alg;
 432                 }
 433
 434         extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 435
 436         in=BIO_new(BIO_s_file());
 437         out=BIO_new(BIO_s_file());
 438         if ((in == NULL) || (out == NULL))
 439                 goto end;
 440
 441         if (keyfile != NULL)
 442                 {
 443                 if (BIO_read_filename(in,keyfile) <= 0)
 444                         {
 445                         perror(keyfile);
 446                         goto end;
 447                         }
 448
 449 /*              if (keyform == FORMAT_ASN1)
 450                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 451                 else */
 452                 if (keyform == FORMAT_PEM)
 453                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
 454                 else
 455                         {
 456                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 457                         goto end;
 458                         }
 459
 460                 if (pkey == NULL)
 461                         {
 462                         BIO_printf(bio_err,"unable to load Private key\n");
 463                         goto end;
 464                         }
 465                 }
 466
 467         if (newreq && (pkey == NULL))
 468                 {
 469                 char *randfile;
 470                 char buffer[200];
 471
 472                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 473                         randfile=RAND_file_name(buffer,200);
 474 #ifdef WINDOWS
 475                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 476                 BIO_flush(bio_err);
 477                 RAND_screen();
 478                 BIO_printf(bio_err," done\n");
 479 #endif
 480                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 481                         {
 482                         BIO_printf(bio_err,"unable to load 'random state'\n");
 483                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 484                         BIO_printf(bio_err,"with much random data.\n");
 485                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 486                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 487                         }
 488                 if (newkey <= 0)
 489                         {
 490                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 491                         if (newkey <= 0)
 492                                 newkey=DEFAULT_KEY_LENGTH;
 493                         }
 494
 495                 if (newkey < MIN_KEY_LENGTH)
 496                         {
 497                         BIO_printf(bio_err,"private key length is too short,\n");
 498                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 499                         goto end;
 500                         }
 501                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 502                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 503
 504                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 505
 506 #ifndef NO_RSA
 507                 if (pkey_type == TYPE_RSA)
 508                         {
 509                         if (!EVP_PKEY_assign_RSA(pkey,
 510                                 RSA_generate_key(newkey,0x10001,
 511                                         req_cb,(char *)bio_err)))
 512                                 goto end;
 513                         }
 514                 else
 515 #endif
 516 #ifndef NO_DSA
 517                         if (pkey_type == TYPE_DSA)
 518                         {
 519                         if (!DSA_generate_key(dsa_params)) goto end;
 520                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 521                         dsa_params=NULL;
 522                         }
 523 #endif
 524
 525                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 526                         BIO_printf(bio_err,"unable to write 'random state'\n");
 527
 528                 if (pkey == NULL) goto end;
 529
 530                 if (keyout == NULL)
 531                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 532
 533                 if (keyout == NULL)
 534                         {
 535                         BIO_printf(bio_err,"writing new private key to stdout\n");
 536                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 537                         }
 538                 else
 539                         {
 540                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 541                         if (BIO_write_filename(out,keyout) <= 0)
 542                                 {
 543                                 perror(keyout);
 544                                 goto end;
 545                                 }
 546                         }
 547
 548                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 549                 if (p == NULL)
 550                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 551                 if ((p != NULL) && (strcmp(p,"no") == 0))
 552                         cipher=NULL;
 553                 if (nodes) cipher=NULL;
 554
 555                 i=0;
 556 loop:
 557                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 558                         NULL,0,NULL))
 559                         {
 560                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 561                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 562                                 {
 563                                 ERR_clear_error();
 564                                 i++;
 565                                 goto loop;
 566                                 }
 567                         goto end;
 568                         }
 569                 BIO_printf(bio_err,"-----\n");
 570                 }
 571
 572         if (!newreq)
 573                 {
 574                 /* Since we are using a pre-existing certificate
 575                  * request, the kludge 'format' info should not be
 576                  * changed. */
 577                 kludge= -1;
 578                 if (infile == NULL)
 579                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 580                 else
 581                         {
 582                         if (BIO_read_filename(in,infile) <= 0)
 583                                 {
 584                                 perror(infile);
 585                                 goto end;
 586                                 }
 587                         }
 588
 589                 if      (informat == FORMAT_ASN1)
 590                         req=d2i_X509_REQ_bio(in,NULL);
 591                 else if (informat == FORMAT_PEM)
 592                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 593                 else
 594                         {
 595                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 596                         goto end;
 597                         }
 598                 if (req == NULL)
 599                         {
 600                         BIO_printf(bio_err,"unable to load X509 request\n");
 601                         goto end;
 602                         }
 603                 }
 604
 605         if (newreq || x509)
 606                 {
 607 #ifndef NO_DSA
 608                 if (pkey->type == EVP_PKEY_DSA)
 609                         digest=EVP_dss1();
 610 #endif
 611
 612                 if (pkey == NULL)
 613                         {
 614                         BIO_printf(bio_err,"you need to specify a private key\n");
 615                         goto end;
 616                         }
 617                 if (req == NULL)
 618                         {
 619                         req=X509_REQ_new();
 620                         if (req == NULL)
 621                                 {
 622                                 goto end;
 623                                 }
 624
 625                         i=make_REQ(req,pkey,!x509);
 626                         if (kludge >= 0)
 627                                 req->req_info->req_kludge=kludge;
 628                         if (!i)
 629                                 {
 630                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 631                                 goto end;
 632                                 }
 633                         }
 634                 if (x509)
 635                         {
 636                         EVP_PKEY *tmppkey;
 637                         X509V3_CTX ext_ctx;
 638                         if ((x509ss=X509_new()) == NULL) goto end;
 639
 640                         /* Set version to V3 */
 641                         if(!X509_set_version(x509ss, 2)) goto end;
 642                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 643
 644                         X509_set_issuer_name(x509ss,
 645                                 X509_REQ_get_subject_name(req));
 646                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 647                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 648                                 (long)60*60*24*days);
 649                         X509_set_subject_name(x509ss,
 650                                 X509_REQ_get_subject_name(req));
 651                         tmppkey = X509_REQ_get_pubkey(req);
 652                         X509_set_pubkey(x509ss,tmppkey);
 653                         EVP_PKEY_free(tmppkey);
 654
 655                         /* Set up V3 context struct */
 656
 657                         ext_ctx.issuer_cert = x509ss;
 658                         ext_ctx.subject_cert = x509ss;
 659                         ext_ctx.subject_req = NULL;
 660
 661                         /* Add extensions */
 662                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 663                                         &ext_ctx, extensions, x509ss)) goto end;
 664
 665                         if (!(i=X509_sign(x509ss,pkey,digest)))
 666                                 goto end;
 667                         }
 668                 else
 669                         {
 670                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 671                                 goto end;
 672                         }
 673                 }
 674
 675         if (verify && !x509)
 676                 {
 677                 int tmp=0;
 678
 679                 if (pkey == NULL)
 680                         {
 681                         pkey=X509_REQ_get_pubkey(req);
 682                         tmp=1;
 683                         if (pkey == NULL) goto end;
 684                         }
 685
 686                 i=X509_REQ_verify(req,pkey);
 687                 if (tmp) {
 688                         EVP_PKEY_free(pkey);
 689                         pkey=NULL;
 690                 }
 691
 692                 if (i < 0)
 693                         {
 694                         goto end;
 695                         }
 696                 else if (i == 0)
 697                         {
 698                         BIO_printf(bio_err,"verify failure\n");
 699                         }
 700                 else /* if (i > 0) */
 701                         BIO_printf(bio_err,"verify OK\n");
 702                 }
 703
 704         if (noout && !text && !modulus)
 705                 {
 706                 ex=0;
 707                 goto end;
 708                 }
 709
 710         if (outfile == NULL)
 711                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 712         else
 713                 {
 714                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 715                         i=(int)BIO_append_filename(out,outfile);
 716                 else
 717                         i=(int)BIO_write_filename(out,outfile);
 718                 if (!i)
 719                         {
 720                         perror(outfile);
 721                         goto end;
 722                         }
 723                 }
 724
 725         if (text)
 726                 {
 727                 if (x509)
 728                         X509_print(out,x509ss);
 729                 else
 730                         X509_REQ_print(out,req);
 731                 }
 732
 733         if (modulus)
 734                 {
 735                 EVP_PKEY *pubkey;
 736
 737                 if (x509)
 738                         pubkey=X509_get_pubkey(x509ss);
 739                 else
 740                         pubkey=X509_REQ_get_pubkey(req);
 741                 if (pubkey == NULL)
 742                         {
 743                         fprintf(stdout,"Modulus=unavailable\n");
 744                         goto end;
 745                         }
 746                 fprintf(stdout,"Modulus=");
 747 #ifndef NO_RSA
 748                 if (pubkey->type == EVP_PKEY_RSA)
 749                         BN_print(out,pubkey->pkey.rsa->n);
 750                 else
 751 #endif
 752                         fprintf(stdout,"Wrong Algorithm type");
 753                 fprintf(stdout,"\n");
 754                 }
 755
 756         if (!noout && !x509)
 757                 {
 758                 if      (outformat == FORMAT_ASN1)
 759                         i=i2d_X509_REQ_bio(out,req);
 760                 else if (outformat == FORMAT_PEM)
 761                         i=PEM_write_bio_X509_REQ(out,req);
 762                 else    {
 763                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 764                         goto end;
 765                         }
 766                 if (!i)
 767                         {
 768                         BIO_printf(bio_err,"unable to write X509 request\n");
 769                         goto end;
 770                         }
 771                 }
 772         if (!noout && x509 && (x509ss != NULL))
 773                 {
 774                 if      (outformat == FORMAT_ASN1)
 775                         i=i2d_X509_bio(out,x509ss);
 776                 else if (outformat == FORMAT_PEM)
 777                         i=PEM_write_bio_X509(out,x509ss);
 778                 else    {
 779                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 780                         goto end;
 781                         }
 782                 if (!i)
 783                         {
 784                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 785                         goto end;
 786                         }
 787                 }
 788         ex=0;
 789 end:
 790         if (ex)
 791                 {
 792                 ERR_print_errors(bio_err);
 793                 }
 794         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 795         if (in != NULL) BIO_free(in);
 796         if (out != NULL) BIO_free(out);
 797         if (pkey != NULL) EVP_PKEY_free(pkey);
 798         if (req != NULL) X509_REQ_free(req);
 799         if (x509ss != NULL) X509_free(x509ss);
 800 #ifndef NO_DSA
 801         if (dsa_params != NULL) DSA_free(dsa_params);
 802 #endif
 803         EXIT(ex);
 804         }
 805
 806 static int make_REQ(req,pkey,attribs)
 807 X509_REQ *req;
 808 EVP_PKEY *pkey;
 809 int attribs;
 810         {
 811         int ret=0,i,j;
 812         unsigned char *p,*q;
 813         X509_REQ_INFO *ri;
 814         char buf[100];
 815         int nid,min,max;
 816         char *type,*def,*tmp,*value,*tmp_attr;
 817         STACK *sk,*attr=NULL;
 818         CONF_VALUE *v;
 819
 820         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 821         if (tmp == NULL)
 822                 {
 823                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 824                         DISTINGUISHED_NAME);
 825                 goto err;
 826                 }
 827         sk=CONF_get_section(req_conf,tmp);
 828         if (sk == NULL)
 829                 {
 830                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 831                 goto err;
 832                 }
 833
 834         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 835         if (tmp_attr == NULL)
 836                 attr=NULL;
 837         else
 838                 {
 839                 attr=CONF_get_section(req_conf,tmp_attr);
 840                 if (attr == NULL)
 841                         {
 842                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 843                         goto err;
 844                         }
 845                 }
 846
 847         ri=req->req_info;
 848
 849         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 850         BIO_printf(bio_err,"into your certificate request.\n");
 851         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 852         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 853         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 854         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 855         BIO_printf(bio_err,"-----\n");
 856
 857         /* setup version number */
 858         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 859
 860         if (sk_num(sk))
 861                 {
 862                 i= -1;
 863 start:          for (;;)
 864                         {
 865                         i++;
 866                         if ((int)sk_num(sk) <= i) break;
 867
 868                         v=(CONF_VALUE *)sk_value(sk,i);
 869                         p=q=NULL;
 870                         type=v->name;
 871                         /* Allow for raw OIDs */
 872                         /* [n.mm.ooo.ppp] */
 873                         for (j=0; type[j] != '\0'; j++)
 874                                 {
 875                                 if (    (type[j] == ':') ||
 876                                         (type[j] == ',') ||
 877                                         (type[j] == '.'))
 878                                         p=(unsigned char *)&(type[j+1]);
 879                                 if (type[j] == '[')
 880                                         {
 881                                         p=(unsigned char *)&(type[j+1]);
 882                                         for (j++; type[j] != '\0'; j++)
 883                                                 if (type[j] == ']')
 884                                                         {
 885                                                         q=(unsigned char *)&(type[j]);
 886                                                         break;
 887                                                         }
 888                                         break;
 889                                         }
 890                                 }
 891                         if (p != NULL)
 892                                 type=(char *)p;
 893                         if ((nid=OBJ_txt2nid(type)) == NID_undef)
 894                                 {
 895                                 /* Add a new one if possible */
 896                                 if ((p != NULL) && (q != NULL) && (*q == ']'))
 897                                         {
 898                                         *q='\0';
 899                                         nid=OBJ_create((char *)p,NULL,NULL);
 900                                         *q=']';
 901                                         if (nid == NID_undef) goto start;
 902                                         }
 903                                 else
 904                                         goto start;
 905                                 }
 906
 907                         sprintf(buf,"%s_default",v->name);
 908                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 909                                 def="";
 910
 911                         sprintf(buf,"%s_value",v->name);
 912                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 913                                 value=NULL;
 914
 915                         sprintf(buf,"%s_min",v->name);
 916                         min=(int)CONF_get_number(req_conf,tmp,buf);
 917
 918                         sprintf(buf,"%s_max",v->name);
 919                         max=(int)CONF_get_number(req_conf,tmp,buf);
 920
 921                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 922                                 min,max))
 923                                 goto err;
 924                         }
 925                 if (sk_num(ri->subject->entries) == 0)
 926                         {
 927                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 928                         goto err;
 929                         }
 930
 931                 if (attribs)
 932                         {
 933                         if ((attr != NULL) && (sk_num(attr) > 0))
 934                                 {
 935                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 936                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 937                                 }
 938
 939                         i= -1;
 940 start2:                 for (;;)
 941                                 {
 942                                 i++;
 943                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 944                                         break;
 945
 946                                 v=(CONF_VALUE *)sk_value(attr,i);
 947                                 type=v->name;
 948                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 949                                         goto start2;
 950
 951                                 sprintf(buf,"%s_default",type);
 952                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 953                                         == NULL)
 954                                         def="";
 955
 956                                 sprintf(buf,"%s_value",type);
 957                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 958                                         == NULL)
 959                                         value=NULL;
 960
 961                                 sprintf(buf,"%s_min",type);
 962                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 963
 964                                 sprintf(buf,"%s_max",type);
 965                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 966
 967                                 if (!add_attribute_object(ri->attributes,
 968                                         v->value,def,value,nid,min,max))
 969                                         goto err;
 970                                 }
 971                         }
 972                 }
 973         else
 974                 {
 975                 BIO_printf(bio_err,"No template, please set one up.\n");
 976                 goto err;
 977                 }
 978
 979         X509_REQ_set_pubkey(req,pkey);
 980
 981         ret=1;
 982 err:
 983         return(ret);
 984         }
 985
 986 static int add_DN_object(n,text,def,value,nid,min,max)
 987 X509_NAME *n;
 988 char *text;
 989 char *def;
 990 char *value;
 991 int nid;
 992 int min;
 993 int max;
 994         {
 995         int i,j,ret=0;
 996         X509_NAME_ENTRY *ne=NULL;
 997         MS_STATIC char buf[1024];
 998
 999         BIO_printf(bio_err,"%s [%s]:",text,def);
1000         BIO_flush(bio_err);
1001         if (value != NULL)
1002                 {
1003                 strcpy(buf,value);
1004                 strcat(buf,"\n");
1005                 BIO_printf(bio_err,"%s\n",value);
1006                 }
1007         else
1008                 {
1009                 buf[0]='\0';
1010                 fgets(buf,1024,stdin);
1011                 }
1012
1013         if (buf[0] == '\0') return(0);
1014         else if (buf[0] == '\n')
1015                 {
1016                 if ((def == NULL) || (def[0] == '\0'))
1017                         return(1);
1018                 strcpy(buf,def);
1019                 strcat(buf,"\n");
1020                 }
1021         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1022
1023         i=strlen(buf);
1024         if (buf[i-1] != '\n')
1025                 {
1026                 BIO_printf(bio_err,"weird input :-(\n");
1027                 return(0);
1028                 }
1029         buf[--i]='\0';
1030
1031         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1032         if (req_fix_data(nid,&j,i,min,max) == 0)
1033                 goto err;
1034         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1035                 strlen(buf)))
1036                 == NULL) goto err;
1037         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1038                 goto err;
1039
1040         ret=1;
1041 err:
1042         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1043         return(ret);
1044         }
1045
1046 static int add_attribute_object(n,text,def,value,nid,min,max)
1047 STACK *n;
1048 char *text;
1049 char *def;
1050 char *value;
1051 int nid;
1052 int min;
1053 int max;
1054         {
1055         int i,z;
1056         X509_ATTRIBUTE *xa=NULL;
1057         static char buf[1024];
1058         ASN1_BIT_STRING *bs=NULL;
1059         ASN1_TYPE *at=NULL;
1060
1061 start:
1062         BIO_printf(bio_err,"%s [%s]:",text,def);
1063         BIO_flush(bio_err);
1064         if (value != NULL)
1065                 {
1066                 strcpy(buf,value);
1067                 strcat(buf,"\n");
1068                 BIO_printf(bio_err,"%s\n",value);
1069                 }
1070         else
1071                 {
1072                 buf[0]='\0';
1073                 fgets(buf,1024,stdin);
1074                 }
1075
1076         if (buf[0] == '\0') return(0);
1077         else if (buf[0] == '\n')
1078                 {
1079                 if ((def == NULL) || (def[0] == '\0'))
1080                         return(1);
1081                 strcpy(buf,def);
1082                 strcat(buf,"\n");
1083                 }
1084         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1085
1086         i=strlen(buf);
1087         if (buf[i-1] != '\n')
1088                 {
1089                 BIO_printf(bio_err,"weird input :-(\n");
1090                 return(0);
1091                 }
1092         buf[--i]='\0';
1093
1094         /* add object plus value */
1095         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1096                 goto err;
1097         if ((xa->value.set=sk_new_null()) == NULL)
1098                 goto err;
1099         xa->set=1;
1100
1101         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1102         xa->object=OBJ_nid2obj(nid);
1103
1104         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1105
1106         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1107
1108         z=req_fix_data(nid,&bs->type,i,min,max);
1109         if (z == 0)
1110                 {
1111                 if (value == NULL)
1112                         goto start;
1113                 else    goto err;
1114                 }
1115
1116         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1117                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1118
1119         if ((at=ASN1_TYPE_new()) == NULL)
1120                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1121
1122         ASN1_TYPE_set(at,bs->type,(char *)bs);
1123         sk_push(xa->value.set,(char *)at);
1124         bs=NULL;
1125         at=NULL;
1126         /* only one item per attribute */
1127
1128         if (!sk_push(n,(char *)xa)) goto err;
1129         return(1);
1130 err:
1131         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1132         if (at != NULL) ASN1_TYPE_free(at);
1133         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1134         return(0);
1135         }
1136
1137 static void MS_CALLBACK req_cb(p,n,arg)
1138 int p;
1139 int n;
1140 char *arg;
1141         {
1142         char c='*';
1143
1144         if (p == 0) c='.';
1145         if (p == 1) c='+';
1146         if (p == 2) c='*';
1147         if (p == 3) c='\n';
1148         BIO_write((BIO *)arg,&c,1);
1149         BIO_flush((BIO *)arg);
1150 #ifdef LINT
1151         p=n;
1152 #endif
1153         }
1154
1155 static int req_fix_data(nid,type,len,min,max)
1156 int nid;
1157 int *type;
1158 int len,min,max;
1159         {
1160         if (nid == NID_pkcs9_emailAddress)
1161                 *type=V_ASN1_IA5STRING;
1162         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1163                 *type=V_ASN1_T61STRING;
1164         if ((nid == NID_pkcs9_challengePassword) &&
1165                 (*type == V_ASN1_IA5STRING))
1166                 *type=V_ASN1_T61STRING;
1167
1168         if ((nid == NID_pkcs9_unstructuredName) &&
1169                 (*type == V_ASN1_T61STRING))
1170                 {
1171                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1172                 return(0);
1173                 }
1174         if (nid == NID_pkcs9_unstructuredName)
1175                 *type=V_ASN1_IA5STRING;
1176
1177         if (len < min)
1178                 {
1179                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1180                 return(0);
1181                 }
1182         if ((max != 0) && (len > max))
1183                 {
1184                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1185                 return(0);
1186                 }
1187         return(1);
1188         }