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 static int check_end(char *str, char *end);
 119 static int add_oid_section(LHASH *conf);
 120 #else
 121 static int make_REQ();
 122 static int add_attribute_object();
 123 static int add_DN_object();
 124 static void MS_CALLBACK req_cb();
 125 static int req_fix_data();
 126 static int check_end();
 127 static int add_oid_section();
 128 #endif
 129
 130 #ifndef MONOLITH
 131 static char *default_config_file=NULL;
 132 static LHASH *config=NULL;
 133 #endif
 134 static LHASH *req_conf=NULL;
 135
 136 #define TYPE_RSA        1
 137 #define TYPE_DSA        2
 138 #define TYPE_DH         3
 139
 140 int MAIN(argc, argv)
 141 int argc;
 142 char **argv;
 143         {
 144 #ifndef NO_DSA
 145         DSA *dsa_params=NULL;
 146 #endif
 147         int ex=1,x509=0,days=30;
 148         X509 *x509ss=NULL;
 149         X509_REQ *req=NULL;
 150         EVP_PKEY *pkey=NULL;
 151         int i,badops=0,newreq=0,newkey= -1,pkey_type=0;
 152         BIO *in=NULL,*out=NULL;
 153         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 154         int nodes=0,kludge=0;
 155         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 156         char *extensions = NULL;
 157         EVP_CIPHER *cipher=NULL;
 158         int modulus=0;
 159         char *p;
 160         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 161 #ifndef MONOLITH
 162         MS_STATIC char config_name[256];
 163 #endif
 164
 165 #ifndef NO_DES
 166         cipher=EVP_des_ede3_cbc();
 167 #endif
 168         apps_startup();
 169
 170         if (bio_err == NULL)
 171                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 172                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 173
 174         infile=NULL;
 175         outfile=NULL;
 176         informat=FORMAT_PEM;
 177         outformat=FORMAT_PEM;
 178
 179         prog=argv[0];
 180         argc--;
 181         argv++;
 182         while (argc >= 1)
 183                 {
 184                 if      (strcmp(*argv,"-inform") == 0)
 185                         {
 186                         if (--argc < 1) goto bad;
 187                         informat=str2fmt(*(++argv));
 188                         }
 189                 else if (strcmp(*argv,"-outform") == 0)
 190                         {
 191                         if (--argc < 1) goto bad;
 192                         outformat=str2fmt(*(++argv));
 193                         }
 194                 else if (strcmp(*argv,"-key") == 0)
 195                         {
 196                         if (--argc < 1) goto bad;
 197                         keyfile= *(++argv);
 198                         }
 199                 else if (strcmp(*argv,"-new") == 0)
 200                         {
 201                         pkey_type=TYPE_RSA;
 202                         newreq=1;
 203                         }
 204                 else if (strcmp(*argv,"-config") == 0)
 205                         {
 206                         if (--argc < 1) goto bad;
 207                         template= *(++argv);
 208                         }
 209                 else if (strcmp(*argv,"-keyform") == 0)
 210                         {
 211                         if (--argc < 1) goto bad;
 212                         keyform=str2fmt(*(++argv));
 213                         }
 214                 else if (strcmp(*argv,"-in") == 0)
 215                         {
 216                         if (--argc < 1) goto bad;
 217                         infile= *(++argv);
 218                         }
 219                 else if (strcmp(*argv,"-out") == 0)
 220                         {
 221                         if (--argc < 1) goto bad;
 222                         outfile= *(++argv);
 223                         }
 224                 else if (strcmp(*argv,"-keyout") == 0)
 225                         {
 226                         if (--argc < 1) goto bad;
 227                         keyout= *(++argv);
 228                         }
 229                 else if (strcmp(*argv,"-newkey") == 0)
 230                         {
 231                         int is_numeric;
 232
 233                         if (--argc < 1) goto bad;
 234                         p= *(++argv);
 235                         is_numeric = p[0] >= '0' && p[0] <= '9';
 236                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 237                                 {
 238                                 pkey_type=TYPE_RSA;
 239                                 if(!is_numeric)
 240                                     p+=4;
 241                                 newkey= atoi(p);
 242                                 }
 243                         else
 244 #ifndef NO_DSA
 245                                 if (strncmp("dsa:",p,4) == 0)
 246                                 {
 247                                 X509 *xtmp=NULL;
 248                                 EVP_PKEY *dtmp;
 249
 250                                 pkey_type=TYPE_DSA;
 251                                 p+=4;
 252                                 if ((in=BIO_new_file(p,"r")) == NULL)
 253                                         {
 254                                         perror(p);
 255                                         goto end;
 256                                         }
 257                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
 258                                         {
 259                                         ERR_clear_error();
 260                                         BIO_reset(in);
 261                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
 262                                                 {
 263                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 264                                                 goto end;
 265                                                 }
 266
 267                                         dtmp=X509_get_pubkey(xtmp);
 268                                         if (dtmp->type == EVP_PKEY_DSA)
 269                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 270                                         EVP_PKEY_free(dtmp);
 271                                         X509_free(xtmp);
 272                                         if (dsa_params == NULL)
 273                                                 {
 274                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 275                                                 goto end;
 276                                                 }
 277                                         }
 278                                 BIO_free(in);
 279                                 newkey=BN_num_bits(dsa_params->p);
 280                                 in=NULL;
 281                                 }
 282                         else
 283 #endif
 284 #ifndef NO_DH
 285                                 if (strncmp("dh:",p,4) == 0)
 286                                 {
 287                                 pkey_type=TYPE_DH;
 288                                 p+=3;
 289                                 }
 290                         else
 291 #endif
 292                                 pkey_type=TYPE_RSA;
 293
 294                         newreq=1;
 295                         }
 296                 else if (strcmp(*argv,"-modulus") == 0)
 297                         modulus=1;
 298                 else if (strcmp(*argv,"-verify") == 0)
 299                         verify=1;
 300                 else if (strcmp(*argv,"-nodes") == 0)
 301                         nodes=1;
 302                 else if (strcmp(*argv,"-noout") == 0)
 303                         noout=1;
 304                 else if (strcmp(*argv,"-text") == 0)
 305                         text=1;
 306                 else if (strcmp(*argv,"-x509") == 0)
 307                         x509=1;
 308                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 309                         kludge=1;
 310                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 311                         kludge=0;
 312                 else if (strcmp(*argv,"-days") == 0)
 313                         {
 314                         if (--argc < 1) goto bad;
 315                         days= atoi(*(++argv));
 316                         if (days == 0) days=30;
 317                         }
 318                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 319                         {
 320                         /* ok */
 321                         digest=md_alg;
 322                         }
 323                 else
 324
 325                         {
 326                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 327                         badops=1;
 328                         break;
 329                         }
 330                 argc--;
 331                 argv++;
 332                 }
 333
 334         if (badops)
 335                 {
 336 bad:
 337                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 338                 BIO_printf(bio_err,"where options  are\n");
 339                 BIO_printf(bio_err," -inform arg    input format - one of DER TXT PEM\n");
 340                 BIO_printf(bio_err," -outform arg   output format - one of DER TXT PEM\n");
 341                 BIO_printf(bio_err," -in arg        input file\n");
 342                 BIO_printf(bio_err," -out arg       output file\n");
 343                 BIO_printf(bio_err," -text          text form of request\n");
 344                 BIO_printf(bio_err," -noout         do not output REQ\n");
 345                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 346                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 347                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 348                 BIO_printf(bio_err," -key file  use the private key contained in file\n");
 349                 BIO_printf(bio_err," -keyform arg   key file format\n");
 350                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 351                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 352                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 353
 354                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2)\n");
 355                 BIO_printf(bio_err," -config file   request template file.\n");
 356                 BIO_printf(bio_err," -new           new request.\n");
 357                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 358                 BIO_printf(bio_err," -days          number of days a x509 generated by -x509 is valid for.\n");
 359                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 360                 BIO_printf(bio_err,"                have been reported as requiring\n");
 361                 BIO_printf(bio_err,"                [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n");
 362                 goto end;
 363                 }
 364
 365         ERR_load_crypto_strings();
 366         X509V3_add_standard_extensions();
 367
 368 #ifndef MONOLITH
 369         /* Lets load up our environment a little */
 370         p=getenv("OPENSSL_CONF");
 371         if (p == NULL)
 372                 p=getenv("SSLEAY_CONF");
 373         if (p == NULL)
 374                 {
 375                 strcpy(config_name,X509_get_default_cert_area());
 376                 strcat(config_name,"/lib/");
 377                 strcat(config_name,OPENSSL_CONF);
 378                 p=config_name;
 379                 }
 380         default_config_file=p;
 381         config=CONF_load(config,p,NULL);
 382 #endif
 383
 384         if (template != NULL)
 385                 {
 386                 long errline;
 387
 388                 BIO_printf(bio_err,"Using configuration from %s\n",template);
 389                 req_conf=CONF_load(NULL,template,&errline);
 390                 if (req_conf == NULL)
 391                         {
 392                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 393                         goto end;
 394                         }
 395                 }
 396         else
 397                 {
 398                 req_conf=config;
 399                 BIO_printf(bio_err,"Using configuration from %s\n",
 400                         default_config_file);
 401                 if (req_conf == NULL)
 402                         {
 403                         BIO_printf(bio_err,"Unable to load config info\n");
 404                         }
 405                 }
 406
 407         if (req_conf != NULL)
 408                 {
 409                 p=CONF_get_string(req_conf,NULL,"oid_file");
 410                 if (p != NULL)
 411                         {
 412                         BIO *oid_bio;
 413
 414                         oid_bio=BIO_new_file(p,"r");
 415                         if (oid_bio == NULL)
 416                                 {
 417                                 /*
 418                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 419                                 ERR_print_errors(bio_err);
 420                                 */
 421                                 }
 422                         else
 423                                 {
 424                                 OBJ_create_objects(oid_bio);
 425                                 BIO_free(oid_bio);
 426                                 }
 427                         }
 428                 }
 429                 if(!add_oid_section(req_conf)) goto end;
 430
 431         if ((md_alg == NULL) &&
 432                 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL))
 433                 {
 434                 if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 435                         digest=md_alg;
 436                 }
 437
 438         extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 439         if(extensions) {
 440                 /* Check syntax of file */
 441                 if(!X509V3_EXT_check_conf(req_conf, extensions)) {
 442                         BIO_printf(bio_err,
 443                          "Error Loading extension section %s\n", extensions);
 444                         goto end;
 445                 }
 446         }
 447
 448         in=BIO_new(BIO_s_file());
 449         out=BIO_new(BIO_s_file());
 450         if ((in == NULL) || (out == NULL))
 451                 goto end;
 452
 453         if (keyfile != NULL)
 454                 {
 455                 if (BIO_read_filename(in,keyfile) <= 0)
 456                         {
 457                         perror(keyfile);
 458                         goto end;
 459                         }
 460
 461 /*              if (keyform == FORMAT_ASN1)
 462                         rsa=d2i_RSAPrivateKey_bio(in,NULL);
 463                 else */
 464                 if (keyform == FORMAT_PEM)
 465                         pkey=PEM_read_bio_PrivateKey(in,NULL,NULL);
 466                 else
 467                         {
 468                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 469                         goto end;
 470                         }
 471
 472                 if (pkey == NULL)
 473                         {
 474                         BIO_printf(bio_err,"unable to load Private key\n");
 475                         goto end;
 476                         }
 477                 }
 478
 479         if (newreq && (pkey == NULL))
 480                 {
 481                 char *randfile;
 482                 char buffer[200];
 483
 484                 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL)
 485                         randfile=RAND_file_name(buffer,200);
 486 #ifdef WINDOWS
 487                 BIO_printf(bio_err,"Loading 'screen' into random state -");
 488                 BIO_flush(bio_err);
 489                 RAND_screen();
 490                 BIO_printf(bio_err," done\n");
 491 #endif
 492                 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L))
 493                         {
 494                         BIO_printf(bio_err,"unable to load 'random state'\n");
 495                         BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n");
 496                         BIO_printf(bio_err,"with much random data.\n");
 497                         BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n");
 498                         BIO_printf(bio_err,"'random' data can be kept in.\n");
 499                         }
 500                 if (newkey <= 0)
 501                         {
 502                         newkey=(int)CONF_get_number(req_conf,SECTION,BITS);
 503                         if (newkey <= 0)
 504                                 newkey=DEFAULT_KEY_LENGTH;
 505                         }
 506
 507                 if (newkey < MIN_KEY_LENGTH)
 508                         {
 509                         BIO_printf(bio_err,"private key length is too short,\n");
 510                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 511                         goto end;
 512                         }
 513                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 514                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 515
 516                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 517
 518 #ifndef NO_RSA
 519                 if (pkey_type == TYPE_RSA)
 520                         {
 521                         if (!EVP_PKEY_assign_RSA(pkey,
 522                                 RSA_generate_key(newkey,0x10001,
 523                                         req_cb,(char *)bio_err)))
 524                                 goto end;
 525                         }
 526                 else
 527 #endif
 528 #ifndef NO_DSA
 529                         if (pkey_type == TYPE_DSA)
 530                         {
 531                         if (!DSA_generate_key(dsa_params)) goto end;
 532                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 533                         dsa_params=NULL;
 534                         }
 535 #endif
 536
 537                 if ((randfile == NULL) || (RAND_write_file(randfile) == 0))
 538                         BIO_printf(bio_err,"unable to write 'random state'\n");
 539
 540                 if (pkey == NULL) goto end;
 541
 542                 if (keyout == NULL)
 543                         keyout=CONF_get_string(req_conf,SECTION,KEYFILE);
 544
 545                 if (keyout == NULL)
 546                         {
 547                         BIO_printf(bio_err,"writing new private key to stdout\n");
 548                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 549                         }
 550                 else
 551                         {
 552                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 553                         if (BIO_write_filename(out,keyout) <= 0)
 554                                 {
 555                                 perror(keyout);
 556                                 goto end;
 557                                 }
 558                         }
 559
 560                 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 561                 if (p == NULL)
 562                         p=CONF_get_string(req_conf,SECTION,"encrypt_key");
 563                 if ((p != NULL) && (strcmp(p,"no") == 0))
 564                         cipher=NULL;
 565                 if (nodes) cipher=NULL;
 566
 567                 i=0;
 568 loop:
 569                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 570                         NULL,0,NULL))
 571                         {
 572                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 573                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 574                                 {
 575                                 ERR_clear_error();
 576                                 i++;
 577                                 goto loop;
 578                                 }
 579                         goto end;
 580                         }
 581                 BIO_printf(bio_err,"-----\n");
 582                 }
 583
 584         if (!newreq)
 585                 {
 586                 /* Since we are using a pre-existing certificate
 587                  * request, the kludge 'format' info should not be
 588                  * changed. */
 589                 kludge= -1;
 590                 if (infile == NULL)
 591                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 592                 else
 593                         {
 594                         if (BIO_read_filename(in,infile) <= 0)
 595                                 {
 596                                 perror(infile);
 597                                 goto end;
 598                                 }
 599                         }
 600
 601                 if      (informat == FORMAT_ASN1)
 602                         req=d2i_X509_REQ_bio(in,NULL);
 603                 else if (informat == FORMAT_PEM)
 604                         req=PEM_read_bio_X509_REQ(in,NULL,NULL);
 605                 else
 606                         {
 607                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 608                         goto end;
 609                         }
 610                 if (req == NULL)
 611                         {
 612                         BIO_printf(bio_err,"unable to load X509 request\n");
 613                         goto end;
 614                         }
 615                 }
 616
 617         if (newreq || x509)
 618                 {
 619 #ifndef NO_DSA
 620                 if (pkey->type == EVP_PKEY_DSA)
 621                         digest=EVP_dss1();
 622 #endif
 623
 624                 if (pkey == NULL)
 625                         {
 626                         BIO_printf(bio_err,"you need to specify a private key\n");
 627                         goto end;
 628                         }
 629                 if (req == NULL)
 630                         {
 631                         req=X509_REQ_new();
 632                         if (req == NULL)
 633                                 {
 634                                 goto end;
 635                                 }
 636
 637                         i=make_REQ(req,pkey,!x509);
 638                         if (kludge >= 0)
 639                                 req->req_info->req_kludge=kludge;
 640                         if (!i)
 641                                 {
 642                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 643                                 goto end;
 644                                 }
 645                         }
 646                 if (x509)
 647                         {
 648                         EVP_PKEY *tmppkey;
 649                         X509V3_CTX ext_ctx;
 650                         if ((x509ss=X509_new()) == NULL) goto end;
 651
 652                         /* Set version to V3 */
 653                         if(!X509_set_version(x509ss, 2)) goto end;
 654                         ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 655
 656                         X509_set_issuer_name(x509ss,
 657                                 X509_REQ_get_subject_name(req));
 658                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 659                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 660                                 (long)60*60*24*days);
 661                         X509_set_subject_name(x509ss,
 662                                 X509_REQ_get_subject_name(req));
 663                         tmppkey = X509_REQ_get_pubkey(req);
 664                         X509_set_pubkey(x509ss,tmppkey);
 665                         EVP_PKEY_free(tmppkey);
 666
 667                         /* Set up V3 context struct */
 668
 669                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 670                         X509V3_set_conf_lhash(&ext_ctx, req_conf);
 671
 672                         /* Add extensions */
 673                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 674                                         &ext_ctx, extensions, x509ss))
 675                             {
 676                             BIO_printf(bio_err,
 677                                        "Error Loading extension section %s\n",
 678                                        extensions);
 679                             goto end;
 680                             }
 681
 682                         if (!(i=X509_sign(x509ss,pkey,digest)))
 683                                 goto end;
 684                         }
 685                 else
 686                         {
 687                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 688                                 goto end;
 689                         }
 690                 }
 691
 692         if (verify && !x509)
 693                 {
 694                 int tmp=0;
 695
 696                 if (pkey == NULL)
 697                         {
 698                         pkey=X509_REQ_get_pubkey(req);
 699                         tmp=1;
 700                         if (pkey == NULL) goto end;
 701                         }
 702
 703                 i=X509_REQ_verify(req,pkey);
 704                 if (tmp) {
 705                         EVP_PKEY_free(pkey);
 706                         pkey=NULL;
 707                 }
 708
 709                 if (i < 0)
 710                         {
 711                         goto end;
 712                         }
 713                 else if (i == 0)
 714                         {
 715                         BIO_printf(bio_err,"verify failure\n");
 716                         }
 717                 else /* if (i > 0) */
 718                         BIO_printf(bio_err,"verify OK\n");
 719                 }
 720
 721         if (noout && !text && !modulus)
 722                 {
 723                 ex=0;
 724                 goto end;
 725                 }
 726
 727         if (outfile == NULL)
 728                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 729         else
 730                 {
 731                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 732                         i=(int)BIO_append_filename(out,outfile);
 733                 else
 734                         i=(int)BIO_write_filename(out,outfile);
 735                 if (!i)
 736                         {
 737                         perror(outfile);
 738                         goto end;
 739                         }
 740                 }
 741
 742         if (text)
 743                 {
 744                 if (x509)
 745                         X509_print(out,x509ss);
 746                 else
 747                         X509_REQ_print(out,req);
 748                 }
 749
 750         if (modulus)
 751                 {
 752                 EVP_PKEY *pubkey;
 753
 754                 if (x509)
 755                         pubkey=X509_get_pubkey(x509ss);
 756                 else
 757                         pubkey=X509_REQ_get_pubkey(req);
 758                 if (pubkey == NULL)
 759                         {
 760                         fprintf(stdout,"Modulus=unavailable\n");
 761                         goto end;
 762                         }
 763                 fprintf(stdout,"Modulus=");
 764 #ifndef NO_RSA
 765                 if (pubkey->type == EVP_PKEY_RSA)
 766                         BN_print(out,pubkey->pkey.rsa->n);
 767                 else
 768 #endif
 769                         fprintf(stdout,"Wrong Algorithm type");
 770                 fprintf(stdout,"\n");
 771                 }
 772
 773         if (!noout && !x509)
 774                 {
 775                 if      (outformat == FORMAT_ASN1)
 776                         i=i2d_X509_REQ_bio(out,req);
 777                 else if (outformat == FORMAT_PEM)
 778                         i=PEM_write_bio_X509_REQ(out,req);
 779                 else    {
 780                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 781                         goto end;
 782                         }
 783                 if (!i)
 784                         {
 785                         BIO_printf(bio_err,"unable to write X509 request\n");
 786                         goto end;
 787                         }
 788                 }
 789         if (!noout && x509 && (x509ss != NULL))
 790                 {
 791                 if      (outformat == FORMAT_ASN1)
 792                         i=i2d_X509_bio(out,x509ss);
 793                 else if (outformat == FORMAT_PEM)
 794                         i=PEM_write_bio_X509(out,x509ss);
 795                 else    {
 796                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 797                         goto end;
 798                         }
 799                 if (!i)
 800                         {
 801                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 802                         goto end;
 803                         }
 804                 }
 805         ex=0;
 806 end:
 807         if (ex)
 808                 {
 809                 ERR_print_errors(bio_err);
 810                 }
 811         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 812         BIO_free(in);
 813         BIO_free(out);
 814         EVP_PKEY_free(pkey);
 815         X509_REQ_free(req);
 816         X509_free(x509ss);
 817         X509V3_EXT_cleanup();
 818         OBJ_cleanup();
 819 #ifndef NO_DSA
 820         if (dsa_params != NULL) DSA_free(dsa_params);
 821 #endif
 822         EXIT(ex);
 823         }
 824
 825 static int make_REQ(req,pkey,attribs)
 826 X509_REQ *req;
 827 EVP_PKEY *pkey;
 828 int attribs;
 829         {
 830         int ret=0,i;
 831         unsigned char *p,*q;
 832         X509_REQ_INFO *ri;
 833         char buf[100];
 834         int nid,min,max;
 835         char *type,*def,*tmp,*value,*tmp_attr;
 836         STACK *sk,*attr=NULL;
 837         CONF_VALUE *v;
 838
 839         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 840         if (tmp == NULL)
 841                 {
 842                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 843                         DISTINGUISHED_NAME);
 844                 goto err;
 845                 }
 846         sk=CONF_get_section(req_conf,tmp);
 847         if (sk == NULL)
 848                 {
 849                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 850                 goto err;
 851                 }
 852
 853         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 854         if (tmp_attr == NULL)
 855                 attr=NULL;
 856         else
 857                 {
 858                 attr=CONF_get_section(req_conf,tmp_attr);
 859                 if (attr == NULL)
 860                         {
 861                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 862                         goto err;
 863                         }
 864                 }
 865
 866         ri=req->req_info;
 867
 868         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 869         BIO_printf(bio_err,"into your certificate request.\n");
 870         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 871         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 872         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 873         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 874         BIO_printf(bio_err,"-----\n");
 875
 876         /* setup version number */
 877         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 878
 879         if (sk_num(sk))
 880                 {
 881                 i= -1;
 882 start:          for (;;)
 883                         {
 884                         i++;
 885                         if ((int)sk_num(sk) <= i) break;
 886
 887                         v=(CONF_VALUE *)sk_value(sk,i);
 888                         p=q=NULL;
 889                         type=v->name;
 890                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
 891                                 !check_end(type,"_default") ||
 892                                          !check_end(type,"_value")) continue;
 893                         /* Skip past any leading X. X: X, etc to allow for
 894                          * multiple instances
 895                          */
 896                         for(p = v->name; *p ; p++)
 897                                 if ((*p == ':') || (*p == ',') ||
 898                                                          (*p == '.')) {
 899                                         p++;
 900                                         if(*p) type = p;
 901                                         break;
 902                                 }
 903                         /* If OBJ not recognised ignore it */
 904                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
 905                         sprintf(buf,"%s_default",v->name);
 906                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 907                                 def="";
 908
 909                         sprintf(buf,"%s_value",v->name);
 910                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 911                                 value=NULL;
 912
 913                         sprintf(buf,"%s_min",v->name);
 914                         min=(int)CONF_get_number(req_conf,tmp,buf);
 915
 916                         sprintf(buf,"%s_max",v->name);
 917                         max=(int)CONF_get_number(req_conf,tmp,buf);
 918
 919                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 920                                 min,max))
 921                                 goto err;
 922                         }
 923                 if (sk_num(ri->subject->entries) == 0)
 924                         {
 925                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 926                         goto err;
 927                         }
 928
 929                 if (attribs)
 930                         {
 931                         if ((attr != NULL) && (sk_num(attr) > 0))
 932                                 {
 933                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 934                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 935                                 }
 936
 937                         i= -1;
 938 start2:                 for (;;)
 939                                 {
 940                                 i++;
 941                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 942                                         break;
 943
 944                                 v=(CONF_VALUE *)sk_value(attr,i);
 945                                 type=v->name;
 946                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 947                                         goto start2;
 948
 949                                 sprintf(buf,"%s_default",type);
 950                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 951                                         == NULL)
 952                                         def="";
 953
 954                                 sprintf(buf,"%s_value",type);
 955                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 956                                         == NULL)
 957                                         value=NULL;
 958
 959                                 sprintf(buf,"%s_min",type);
 960                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 961
 962                                 sprintf(buf,"%s_max",type);
 963                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 964
 965                                 if (!add_attribute_object(ri->attributes,
 966                                         v->value,def,value,nid,min,max))
 967                                         goto err;
 968                                 }
 969                         }
 970                 }
 971         else
 972                 {
 973                 BIO_printf(bio_err,"No template, please set one up.\n");
 974                 goto err;
 975                 }
 976
 977         X509_REQ_set_pubkey(req,pkey);
 978
 979         ret=1;
 980 err:
 981         return(ret);
 982         }
 983
 984 static int add_DN_object(n,text,def,value,nid,min,max)
 985 X509_NAME *n;
 986 char *text;
 987 char *def;
 988 char *value;
 989 int nid;
 990 int min;
 991 int max;
 992         {
 993         int i,j,ret=0;
 994         X509_NAME_ENTRY *ne=NULL;
 995         MS_STATIC char buf[1024];
 996
 997         BIO_printf(bio_err,"%s [%s]:",text,def);
 998         BIO_flush(bio_err);
 999         if (value != NULL)
1000                 {
1001                 strcpy(buf,value);
1002                 strcat(buf,"\n");
1003                 BIO_printf(bio_err,"%s\n",value);
1004                 }
1005         else
1006                 {
1007                 buf[0]='\0';
1008                 fgets(buf,1024,stdin);
1009                 }
1010
1011         if (buf[0] == '\0') return(0);
1012         else if (buf[0] == '\n')
1013                 {
1014                 if ((def == NULL) || (def[0] == '\0'))
1015                         return(1);
1016                 strcpy(buf,def);
1017                 strcat(buf,"\n");
1018                 }
1019         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1020
1021         i=strlen(buf);
1022         if (buf[i-1] != '\n')
1023                 {
1024                 BIO_printf(bio_err,"weird input :-(\n");
1025                 return(0);
1026                 }
1027         buf[--i]='\0';
1028
1029         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1030         if (req_fix_data(nid,&j,i,min,max) == 0)
1031                 goto err;
1032         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1033                 strlen(buf)))
1034                 == NULL) goto err;
1035         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1036                 goto err;
1037
1038         ret=1;
1039 err:
1040         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1041         return(ret);
1042         }
1043
1044 static int add_attribute_object(n,text,def,value,nid,min,max)
1045 STACK *n;
1046 char *text;
1047 char *def;
1048 char *value;
1049 int nid;
1050 int min;
1051 int max;
1052         {
1053         int i,z;
1054         X509_ATTRIBUTE *xa=NULL;
1055         static char buf[1024];
1056         ASN1_BIT_STRING *bs=NULL;
1057         ASN1_TYPE *at=NULL;
1058
1059 start:
1060         BIO_printf(bio_err,"%s [%s]:",text,def);
1061         BIO_flush(bio_err);
1062         if (value != NULL)
1063                 {
1064                 strcpy(buf,value);
1065                 strcat(buf,"\n");
1066                 BIO_printf(bio_err,"%s\n",value);
1067                 }
1068         else
1069                 {
1070                 buf[0]='\0';
1071                 fgets(buf,1024,stdin);
1072                 }
1073
1074         if (buf[0] == '\0') return(0);
1075         else if (buf[0] == '\n')
1076                 {
1077                 if ((def == NULL) || (def[0] == '\0'))
1078                         return(1);
1079                 strcpy(buf,def);
1080                 strcat(buf,"\n");
1081                 }
1082         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1083
1084         i=strlen(buf);
1085         if (buf[i-1] != '\n')
1086                 {
1087                 BIO_printf(bio_err,"weird input :-(\n");
1088                 return(0);
1089                 }
1090         buf[--i]='\0';
1091
1092         /* add object plus value */
1093         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1094                 goto err;
1095         if ((xa->value.set=sk_new_null()) == NULL)
1096                 goto err;
1097         xa->set=1;
1098
1099         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1100         xa->object=OBJ_nid2obj(nid);
1101
1102         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1103
1104         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1105
1106         z=req_fix_data(nid,&bs->type,i,min,max);
1107         if (z == 0)
1108                 {
1109                 if (value == NULL)
1110                         goto start;
1111                 else    goto err;
1112                 }
1113
1114         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1115                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1116
1117         if ((at=ASN1_TYPE_new()) == NULL)
1118                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1119
1120         ASN1_TYPE_set(at,bs->type,(char *)bs);
1121         sk_push(xa->value.set,(char *)at);
1122         bs=NULL;
1123         at=NULL;
1124         /* only one item per attribute */
1125
1126         if (!sk_push(n,(char *)xa)) goto err;
1127         return(1);
1128 err:
1129         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1130         if (at != NULL) ASN1_TYPE_free(at);
1131         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1132         return(0);
1133         }
1134
1135 static void MS_CALLBACK req_cb(p,n,arg)
1136 int p;
1137 int n;
1138 char *arg;
1139         {
1140         char c='*';
1141
1142         if (p == 0) c='.';
1143         if (p == 1) c='+';
1144         if (p == 2) c='*';
1145         if (p == 3) c='\n';
1146         BIO_write((BIO *)arg,&c,1);
1147         BIO_flush((BIO *)arg);
1148 #ifdef LINT
1149         p=n;
1150 #endif
1151         }
1152
1153 static int req_fix_data(nid,type,len,min,max)
1154 int nid;
1155 int *type;
1156 int len,min,max;
1157         {
1158         if (nid == NID_pkcs9_emailAddress)
1159                 *type=V_ASN1_IA5STRING;
1160         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1161                 *type=V_ASN1_T61STRING;
1162         if ((nid == NID_pkcs9_challengePassword) &&
1163                 (*type == V_ASN1_IA5STRING))
1164                 *type=V_ASN1_T61STRING;
1165
1166         if ((nid == NID_pkcs9_unstructuredName) &&
1167                 (*type == V_ASN1_T61STRING))
1168                 {
1169                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1170                 return(0);
1171                 }
1172         if (nid == NID_pkcs9_unstructuredName)
1173                 *type=V_ASN1_IA5STRING;
1174
1175         if (len < min)
1176                 {
1177                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1178                 return(0);
1179                 }
1180         if ((max != 0) && (len > max))
1181                 {
1182                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1183                 return(0);
1184                 }
1185         return(1);
1186         }
1187
1188 /* Check if the end of a string matches 'end' */
1189 static int check_end(str, end)
1190 char *str;
1191 char *end;
1192 {
1193         int elen, slen;
1194         char *tmp;
1195         elen = strlen(end);
1196         slen = strlen(str);
1197         if(elen > slen) return 1;
1198         tmp = str + slen - elen;
1199         return strcmp(tmp, end);
1200 }
1201
1202 static int add_oid_section(conf)
1203 LHASH *conf;
1204 {
1205         char *p;
1206         STACK *sktmp;
1207         CONF_VALUE *cnf;
1208         int i;
1209         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1210         if(!(sktmp = CONF_get_section(conf, p))) {
1211                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1212                 return 0;
1213         }
1214         for(i = 0; i < sk_num(sktmp); i++) {
1215                 cnf = (CONF_VALUE *)sk_value(sktmp, i);
1216                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1217                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1218                                                          cnf->name, cnf->value);
1219                         return 0;
1220                 }
1221         }
1222         return 1;
1223 }