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