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         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                         ext_ctx.issuer_cert = x509ss;
 670                         ext_ctx.subject_cert = x509ss;
 671                         ext_ctx.subject_req = NULL;
 672                         ext_ctx.crl = NULL;
 673                         ext_ctx.flags = 0;
 674
 675                         /* Add extensions */
 676                         if(extensions && !X509V3_EXT_add_conf(req_conf,
 677                                         &ext_ctx, extensions, x509ss))
 678                             {
 679                             BIO_printf(bio_err,
 680                                        "Error Loading extension section %s\n",
 681                                        extensions);
 682                             goto end;
 683                             }
 684
 685                         if (!(i=X509_sign(x509ss,pkey,digest)))
 686                                 goto end;
 687                         }
 688                 else
 689                         {
 690                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 691                                 goto end;
 692                         }
 693                 }
 694
 695         if (verify && !x509)
 696                 {
 697                 int tmp=0;
 698
 699                 if (pkey == NULL)
 700                         {
 701                         pkey=X509_REQ_get_pubkey(req);
 702                         tmp=1;
 703                         if (pkey == NULL) goto end;
 704                         }
 705
 706                 i=X509_REQ_verify(req,pkey);
 707                 if (tmp) {
 708                         EVP_PKEY_free(pkey);
 709                         pkey=NULL;
 710                 }
 711
 712                 if (i < 0)
 713                         {
 714                         goto end;
 715                         }
 716                 else if (i == 0)
 717                         {
 718                         BIO_printf(bio_err,"verify failure\n");
 719                         }
 720                 else /* if (i > 0) */
 721                         BIO_printf(bio_err,"verify OK\n");
 722                 }
 723
 724         if (noout && !text && !modulus)
 725                 {
 726                 ex=0;
 727                 goto end;
 728                 }
 729
 730         if (outfile == NULL)
 731                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 732         else
 733                 {
 734                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 735                         i=(int)BIO_append_filename(out,outfile);
 736                 else
 737                         i=(int)BIO_write_filename(out,outfile);
 738                 if (!i)
 739                         {
 740                         perror(outfile);
 741                         goto end;
 742                         }
 743                 }
 744
 745         if (text)
 746                 {
 747                 if (x509)
 748                         X509_print(out,x509ss);
 749                 else
 750                         X509_REQ_print(out,req);
 751                 }
 752
 753         if (modulus)
 754                 {
 755                 EVP_PKEY *pubkey;
 756
 757                 if (x509)
 758                         pubkey=X509_get_pubkey(x509ss);
 759                 else
 760                         pubkey=X509_REQ_get_pubkey(req);
 761                 if (pubkey == NULL)
 762                         {
 763                         fprintf(stdout,"Modulus=unavailable\n");
 764                         goto end;
 765                         }
 766                 fprintf(stdout,"Modulus=");
 767 #ifndef NO_RSA
 768                 if (pubkey->type == EVP_PKEY_RSA)
 769                         BN_print(out,pubkey->pkey.rsa->n);
 770                 else
 771 #endif
 772                         fprintf(stdout,"Wrong Algorithm type");
 773                 fprintf(stdout,"\n");
 774                 }
 775
 776         if (!noout && !x509)
 777                 {
 778                 if      (outformat == FORMAT_ASN1)
 779                         i=i2d_X509_REQ_bio(out,req);
 780                 else if (outformat == FORMAT_PEM)
 781                         i=PEM_write_bio_X509_REQ(out,req);
 782                 else    {
 783                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 784                         goto end;
 785                         }
 786                 if (!i)
 787                         {
 788                         BIO_printf(bio_err,"unable to write X509 request\n");
 789                         goto end;
 790                         }
 791                 }
 792         if (!noout && x509 && (x509ss != NULL))
 793                 {
 794                 if      (outformat == FORMAT_ASN1)
 795                         i=i2d_X509_bio(out,x509ss);
 796                 else if (outformat == FORMAT_PEM)
 797                         i=PEM_write_bio_X509(out,x509ss);
 798                 else    {
 799                         BIO_printf(bio_err,"bad output format specified for outfile\n");
 800                         goto end;
 801                         }
 802                 if (!i)
 803                         {
 804                         BIO_printf(bio_err,"unable to write X509 certificate\n");
 805                         goto end;
 806                         }
 807                 }
 808         ex=0;
 809 end:
 810         if (ex)
 811                 {
 812                 ERR_print_errors(bio_err);
 813                 }
 814         if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf);
 815         BIO_free(in);
 816         BIO_free(out);
 817         EVP_PKEY_free(pkey);
 818         X509_REQ_free(req);
 819         X509_free(x509ss);
 820         X509V3_EXT_cleanup();
 821         OBJ_cleanup();
 822 #ifndef NO_DSA
 823         if (dsa_params != NULL) DSA_free(dsa_params);
 824 #endif
 825         EXIT(ex);
 826         }
 827
 828 static int make_REQ(req,pkey,attribs)
 829 X509_REQ *req;
 830 EVP_PKEY *pkey;
 831 int attribs;
 832         {
 833         int ret=0,i;
 834         unsigned char *p,*q;
 835         X509_REQ_INFO *ri;
 836         char buf[100];
 837         int nid,min,max;
 838         char *type,*def,*tmp,*value,*tmp_attr;
 839         STACK *sk,*attr=NULL;
 840         CONF_VALUE *v;
 841
 842         tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
 843         if (tmp == NULL)
 844                 {
 845                 BIO_printf(bio_err,"unable to find '%s' in config\n",
 846                         DISTINGUISHED_NAME);
 847                 goto err;
 848                 }
 849         sk=CONF_get_section(req_conf,tmp);
 850         if (sk == NULL)
 851                 {
 852                 BIO_printf(bio_err,"unable to get '%s' section\n",tmp);
 853                 goto err;
 854                 }
 855
 856         tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES);
 857         if (tmp_attr == NULL)
 858                 attr=NULL;
 859         else
 860                 {
 861                 attr=CONF_get_section(req_conf,tmp_attr);
 862                 if (attr == NULL)
 863                         {
 864                         BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr);
 865                         goto err;
 866                         }
 867                 }
 868
 869         ri=req->req_info;
 870
 871         BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
 872         BIO_printf(bio_err,"into your certificate request.\n");
 873         BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
 874         BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
 875         BIO_printf(bio_err,"For some fields there will be a default value,\n");
 876         BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
 877         BIO_printf(bio_err,"-----\n");
 878
 879         /* setup version number */
 880         if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */
 881
 882         if (sk_num(sk))
 883                 {
 884                 i= -1;
 885 start:          for (;;)
 886                         {
 887                         i++;
 888                         if ((int)sk_num(sk) <= i) break;
 889
 890                         v=(CONF_VALUE *)sk_value(sk,i);
 891                         p=q=NULL;
 892                         type=v->name;
 893                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
 894                                 !check_end(type,"_default") ||
 895                                          !check_end(type,"_value")) continue;
 896                         /* Skip past any leading X. X: X, etc to allow for
 897                          * multiple instances
 898                          */
 899                         for(p = v->name; *p ; p++)
 900                                 if ((*p == ':') || (*p == ',') ||
 901                                                          (*p == '.')) {
 902                                         p++;
 903                                         if(*p) type = p;
 904                                         break;
 905                                 }
 906                         /* If OBJ not recognised ignore it */
 907                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
 908                         sprintf(buf,"%s_default",v->name);
 909                         if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL)
 910                                 def="";
 911
 912                         sprintf(buf,"%s_value",v->name);
 913                         if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL)
 914                                 value=NULL;
 915
 916                         sprintf(buf,"%s_min",v->name);
 917                         min=(int)CONF_get_number(req_conf,tmp,buf);
 918
 919                         sprintf(buf,"%s_max",v->name);
 920                         max=(int)CONF_get_number(req_conf,tmp,buf);
 921
 922                         if (!add_DN_object(ri->subject,v->value,def,value,nid,
 923                                 min,max))
 924                                 goto err;
 925                         }
 926                 if (sk_num(ri->subject->entries) == 0)
 927                         {
 928                         BIO_printf(bio_err,"error, no objects specified in config file\n");
 929                         goto err;
 930                         }
 931
 932                 if (attribs)
 933                         {
 934                         if ((attr != NULL) && (sk_num(attr) > 0))
 935                                 {
 936                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
 937                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
 938                                 }
 939
 940                         i= -1;
 941 start2:                 for (;;)
 942                                 {
 943                                 i++;
 944                                 if ((attr == NULL) || ((int)sk_num(attr) <= i))
 945                                         break;
 946
 947                                 v=(CONF_VALUE *)sk_value(attr,i);
 948                                 type=v->name;
 949                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
 950                                         goto start2;
 951
 952                                 sprintf(buf,"%s_default",type);
 953                                 if ((def=CONF_get_string(req_conf,tmp_attr,buf))
 954                                         == NULL)
 955                                         def="";
 956
 957                                 sprintf(buf,"%s_value",type);
 958                                 if ((value=CONF_get_string(req_conf,tmp_attr,buf))
 959                                         == NULL)
 960                                         value=NULL;
 961
 962                                 sprintf(buf,"%s_min",type);
 963                                 min=(int)CONF_get_number(req_conf,tmp_attr,buf);
 964
 965                                 sprintf(buf,"%s_max",type);
 966                                 max=(int)CONF_get_number(req_conf,tmp_attr,buf);
 967
 968                                 if (!add_attribute_object(ri->attributes,
 969                                         v->value,def,value,nid,min,max))
 970                                         goto err;
 971                                 }
 972                         }
 973                 }
 974         else
 975                 {
 976                 BIO_printf(bio_err,"No template, please set one up.\n");
 977                 goto err;
 978                 }
 979
 980         X509_REQ_set_pubkey(req,pkey);
 981
 982         ret=1;
 983 err:
 984         return(ret);
 985         }
 986
 987 static int add_DN_object(n,text,def,value,nid,min,max)
 988 X509_NAME *n;
 989 char *text;
 990 char *def;
 991 char *value;
 992 int nid;
 993 int min;
 994 int max;
 995         {
 996         int i,j,ret=0;
 997         X509_NAME_ENTRY *ne=NULL;
 998         MS_STATIC char buf[1024];
 999
1000         BIO_printf(bio_err,"%s [%s]:",text,def);
1001         BIO_flush(bio_err);
1002         if (value != NULL)
1003                 {
1004                 strcpy(buf,value);
1005                 strcat(buf,"\n");
1006                 BIO_printf(bio_err,"%s\n",value);
1007                 }
1008         else
1009                 {
1010                 buf[0]='\0';
1011                 fgets(buf,1024,stdin);
1012                 }
1013
1014         if (buf[0] == '\0') return(0);
1015         else if (buf[0] == '\n')
1016                 {
1017                 if ((def == NULL) || (def[0] == '\0'))
1018                         return(1);
1019                 strcpy(buf,def);
1020                 strcat(buf,"\n");
1021                 }
1022         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1023
1024         i=strlen(buf);
1025         if (buf[i-1] != '\n')
1026                 {
1027                 BIO_printf(bio_err,"weird input :-(\n");
1028                 return(0);
1029                 }
1030         buf[--i]='\0';
1031
1032         j=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1033         if (req_fix_data(nid,&j,i,min,max) == 0)
1034                 goto err;
1035         if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf,
1036                 strlen(buf)))
1037                 == NULL) goto err;
1038         if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0))
1039                 goto err;
1040
1041         ret=1;
1042 err:
1043         if (ne != NULL) X509_NAME_ENTRY_free(ne);
1044         return(ret);
1045         }
1046
1047 static int add_attribute_object(n,text,def,value,nid,min,max)
1048 STACK *n;
1049 char *text;
1050 char *def;
1051 char *value;
1052 int nid;
1053 int min;
1054 int max;
1055         {
1056         int i,z;
1057         X509_ATTRIBUTE *xa=NULL;
1058         static char buf[1024];
1059         ASN1_BIT_STRING *bs=NULL;
1060         ASN1_TYPE *at=NULL;
1061
1062 start:
1063         BIO_printf(bio_err,"%s [%s]:",text,def);
1064         BIO_flush(bio_err);
1065         if (value != NULL)
1066                 {
1067                 strcpy(buf,value);
1068                 strcat(buf,"\n");
1069                 BIO_printf(bio_err,"%s\n",value);
1070                 }
1071         else
1072                 {
1073                 buf[0]='\0';
1074                 fgets(buf,1024,stdin);
1075                 }
1076
1077         if (buf[0] == '\0') return(0);
1078         else if (buf[0] == '\n')
1079                 {
1080                 if ((def == NULL) || (def[0] == '\0'))
1081                         return(1);
1082                 strcpy(buf,def);
1083                 strcat(buf,"\n");
1084                 }
1085         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1086
1087         i=strlen(buf);
1088         if (buf[i-1] != '\n')
1089                 {
1090                 BIO_printf(bio_err,"weird input :-(\n");
1091                 return(0);
1092                 }
1093         buf[--i]='\0';
1094
1095         /* add object plus value */
1096         if ((xa=X509_ATTRIBUTE_new()) == NULL)
1097                 goto err;
1098         if ((xa->value.set=sk_new_null()) == NULL)
1099                 goto err;
1100         xa->set=1;
1101
1102         if (xa->object != NULL) ASN1_OBJECT_free(xa->object);
1103         xa->object=OBJ_nid2obj(nid);
1104
1105         if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err;
1106
1107         bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1);
1108
1109         z=req_fix_data(nid,&bs->type,i,min,max);
1110         if (z == 0)
1111                 {
1112                 if (value == NULL)
1113                         goto start;
1114                 else    goto err;
1115                 }
1116
1117         if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1))
1118                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1119
1120         if ((at=ASN1_TYPE_new()) == NULL)
1121                 { BIO_printf(bio_err,"Malloc failure\n"); goto err; }
1122
1123         ASN1_TYPE_set(at,bs->type,(char *)bs);
1124         sk_push(xa->value.set,(char *)at);
1125         bs=NULL;
1126         at=NULL;
1127         /* only one item per attribute */
1128
1129         if (!sk_push(n,(char *)xa)) goto err;
1130         return(1);
1131 err:
1132         if (xa != NULL) X509_ATTRIBUTE_free(xa);
1133         if (at != NULL) ASN1_TYPE_free(at);
1134         if (bs != NULL) ASN1_BIT_STRING_free(bs);
1135         return(0);
1136         }
1137
1138 static void MS_CALLBACK req_cb(p,n,arg)
1139 int p;
1140 int n;
1141 char *arg;
1142         {
1143         char c='*';
1144
1145         if (p == 0) c='.';
1146         if (p == 1) c='+';
1147         if (p == 2) c='*';
1148         if (p == 3) c='\n';
1149         BIO_write((BIO *)arg,&c,1);
1150         BIO_flush((BIO *)arg);
1151 #ifdef LINT
1152         p=n;
1153 #endif
1154         }
1155
1156 static int req_fix_data(nid,type,len,min,max)
1157 int nid;
1158 int *type;
1159 int len,min,max;
1160         {
1161         if (nid == NID_pkcs9_emailAddress)
1162                 *type=V_ASN1_IA5STRING;
1163         if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING))
1164                 *type=V_ASN1_T61STRING;
1165         if ((nid == NID_pkcs9_challengePassword) &&
1166                 (*type == V_ASN1_IA5STRING))
1167                 *type=V_ASN1_T61STRING;
1168
1169         if ((nid == NID_pkcs9_unstructuredName) &&
1170                 (*type == V_ASN1_T61STRING))
1171                 {
1172                 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n");
1173                 return(0);
1174                 }
1175         if (nid == NID_pkcs9_unstructuredName)
1176                 *type=V_ASN1_IA5STRING;
1177
1178         if (len < min)
1179                 {
1180                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min);
1181                 return(0);
1182                 }
1183         if ((max != 0) && (len > max))
1184                 {
1185                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",max);
1186                 return(0);
1187                 }
1188         return(1);
1189         }
1190
1191 /* Check if the end of a string matches 'end' */
1192 static int check_end(str, end)
1193 char *str;
1194 char *end;
1195 {
1196         int elen, slen;
1197         char *tmp;
1198         elen = strlen(end);
1199         slen = strlen(str);
1200         if(elen > slen) return 1;
1201         tmp = str + slen - elen;
1202         return strcmp(tmp, end);
1203 }
1204
1205 static int add_oid_section(conf)
1206 LHASH *conf;
1207 {
1208         char *p;
1209         STACK *sktmp;
1210         CONF_VALUE *cnf;
1211         int i;
1212         if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1;
1213         if(!(sktmp = CONF_get_section(conf, p))) {
1214                 BIO_printf(bio_err, "problem loading oid section %s\n", p);
1215                 return 0;
1216         }
1217         for(i = 0; i < sk_num(sktmp); i++) {
1218                 cnf = (CONF_VALUE *)sk_value(sktmp, i);
1219                 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
1220                         BIO_printf(bio_err, "problem creating object %s=%s\n",
1221                                                          cnf->name, cnf->value);
1222                         return 0;
1223                 }
1224         }
1225         return 1;
1226 }