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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
  60  * deprecated functions for openssl-internal code */
  61 #ifdef OPENSSL_NO_DEPRECATED
  62 #undef OPENSSL_NO_DEPRECATED
  63 #endif
  64
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <time.h>
  68 #include <string.h>
  69 #ifdef OPENSSL_NO_STDIO
  70 #define APPS_WIN16
  71 #endif
  72 #include "apps.h"
  73 #include <openssl/bio.h>
  74 #include <openssl/evp.h>
  75 #include <openssl/conf.h>
  76 #include <openssl/err.h>
  77 #include <openssl/asn1.h>
  78 #include <openssl/x509.h>
  79 #include <openssl/x509v3.h>
  80 #include <openssl/objects.h>
  81 #include <openssl/pem.h>
  82 #include "../crypto/cryptlib.h"
  83
  84 #define SECTION         "req"
  85
  86 #define BITS            "default_bits"
  87 #define KEYFILE         "default_keyfile"
  88 #define PROMPT          "prompt"
  89 #define DISTINGUISHED_NAME      "distinguished_name"
  90 #define ATTRIBUTES      "attributes"
  91 #define V3_EXTENSIONS   "x509_extensions"
  92 #define REQ_EXTENSIONS  "req_extensions"
  93 #define STRING_MASK     "string_mask"
  94 #define UTF8_IN         "utf8"
  95
  96 #define DEFAULT_KEY_LENGTH      512
  97 #define MIN_KEY_LENGTH          384
  98
  99 #undef PROG
 100 #define PROG    req_main
 101
 102 /* -inform arg  - input format - default PEM (DER or PEM)
 103  * -outform arg - output format - default PEM
 104  * -in arg      - input file - default stdin
 105  * -out arg     - output file - default stdout
 106  * -verify      - check request signature
 107  * -noout       - don't print stuff out.
 108  * -text        - print out human readable text.
 109  * -nodes       - no des encryption
 110  * -config file - Load configuration file.
 111  * -key file    - make a request using key in file (or use it for verification).
 112  * -keyform arg - key file format.
 113  * -rand file(s) - load the file(s) into the PRNG.
 114  * -newkey      - make a key and a request.
 115  * -modulus     - print RSA modulus.
 116  * -pubkey      - output Public Key.
 117  * -x509        - output a self signed X509 structure instead.
 118  * -asn1-kludge - output new certificate request in a format that some CA's
 119  *                require.  This format is wrong
 120  */
 121
 122 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 123                 unsigned long chtype);
 124 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 125 static int prompt_info(X509_REQ *req,
 126                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 127                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 128                 unsigned long chtype);
 129 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 130                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 131                                 unsigned long chtype);
 132 static int add_attribute_object(X509_REQ *req, char *text,
 133                                 char *def, char *value, int nid, int n_min,
 134                                 int n_max, unsigned long chtype);
 135 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 136         int nid,int n_min,int n_max, unsigned long chtype);
 137 #ifndef OPENSSL_NO_RSA
 138 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 139 #endif
 140 static int req_check_len(int len,int n_min,int n_max);
 141 static int check_end(char *str, char *end);
 142 #ifndef MONOLITH
 143 static char *default_config_file=NULL;
 144 static CONF *config=NULL;
 145 #endif
 146 static CONF *req_conf=NULL;
 147 static int batch=0;
 148
 149 #define TYPE_RSA        1
 150 #define TYPE_DSA        2
 151 #define TYPE_DH         3
 152 #define TYPE_EC         4
 153
 154 int MAIN(int, char **);
 155
 156 int MAIN(int argc, char **argv)
 157         {
 158         ENGINE *e = NULL;
 159 #ifndef OPENSSL_NO_DSA
 160         DSA *dsa_params=NULL;
 161 #endif
 162 #ifndef OPENSSL_NO_ECDSA
 163         EC_KEY *ec_params = NULL;
 164 #endif
 165         unsigned long nmflag = 0, reqflag = 0;
 166         int ex=1,x509=0,days=30;
 167         X509 *x509ss=NULL;
 168         X509_REQ *req=NULL;
 169         EVP_PKEY *pkey=NULL;
 170         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 171         long newkey = -1;
 172         BIO *in=NULL,*out=NULL;
 173         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 174         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 175         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 176         char *engine=NULL;
 177         char *extensions = NULL;
 178         char *req_exts = NULL;
 179         const EVP_CIPHER *cipher=NULL;
 180         ASN1_INTEGER *serial = NULL;
 181         int modulus=0;
 182         char *inrand=NULL;
 183         char *passargin = NULL, *passargout = NULL;
 184         char *passin = NULL, *passout = NULL;
 185         char *p;
 186         char *subj = NULL;
 187         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 188         unsigned long chtype = MBSTRING_ASC;
 189 #ifndef MONOLITH
 190         char *to_free;
 191         long errline;
 192 #endif
 193
 194         req_conf = NULL;
 195 #ifndef OPENSSL_NO_DES
 196         cipher=EVP_des_ede3_cbc();
 197 #endif
 198         apps_startup();
 199
 200         if (bio_err == NULL)
 201                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 202                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 203
 204         infile=NULL;
 205         outfile=NULL;
 206         informat=FORMAT_PEM;
 207         outformat=FORMAT_PEM;
 208
 209         prog=argv[0];
 210         argc--;
 211         argv++;
 212         while (argc >= 1)
 213                 {
 214                 if      (strcmp(*argv,"-inform") == 0)
 215                         {
 216                         if (--argc < 1) goto bad;
 217                         informat=str2fmt(*(++argv));
 218                         }
 219                 else if (strcmp(*argv,"-outform") == 0)
 220                         {
 221                         if (--argc < 1) goto bad;
 222                         outformat=str2fmt(*(++argv));
 223                         }
 224                 else if (strcmp(*argv,"-engine") == 0)
 225                         {
 226                         if (--argc < 1) goto bad;
 227                         engine= *(++argv);
 228                         }
 229                 else if (strcmp(*argv,"-key") == 0)
 230                         {
 231                         if (--argc < 1) goto bad;
 232                         keyfile= *(++argv);
 233                         }
 234                 else if (strcmp(*argv,"-pubkey") == 0)
 235                         {
 236                         pubkey=1;
 237                         }
 238                 else if (strcmp(*argv,"-new") == 0)
 239                         {
 240                         newreq=1;
 241                         }
 242                 else if (strcmp(*argv,"-config") == 0)
 243                         {
 244                         if (--argc < 1) goto bad;
 245                         template= *(++argv);
 246                         }
 247                 else if (strcmp(*argv,"-keyform") == 0)
 248                         {
 249                         if (--argc < 1) goto bad;
 250                         keyform=str2fmt(*(++argv));
 251                         }
 252                 else if (strcmp(*argv,"-in") == 0)
 253                         {
 254                         if (--argc < 1) goto bad;
 255                         infile= *(++argv);
 256                         }
 257                 else if (strcmp(*argv,"-out") == 0)
 258                         {
 259                         if (--argc < 1) goto bad;
 260                         outfile= *(++argv);
 261                         }
 262                 else if (strcmp(*argv,"-keyout") == 0)
 263                         {
 264                         if (--argc < 1) goto bad;
 265                         keyout= *(++argv);
 266                         }
 267                 else if (strcmp(*argv,"-passin") == 0)
 268                         {
 269                         if (--argc < 1) goto bad;
 270                         passargin= *(++argv);
 271                         }
 272                 else if (strcmp(*argv,"-passout") == 0)
 273                         {
 274                         if (--argc < 1) goto bad;
 275                         passargout= *(++argv);
 276                         }
 277                 else if (strcmp(*argv,"-rand") == 0)
 278                         {
 279                         if (--argc < 1) goto bad;
 280                         inrand= *(++argv);
 281                         }
 282                 else if (strcmp(*argv,"-newkey") == 0)
 283                         {
 284                         int is_numeric;
 285
 286                         if (--argc < 1) goto bad;
 287                         p= *(++argv);
 288                         is_numeric = p[0] >= '0' && p[0] <= '9';
 289                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 290                                 {
 291                                 pkey_type=TYPE_RSA;
 292                                 if(!is_numeric)
 293                                     p+=4;
 294                                 newkey= atoi(p);
 295                                 }
 296                         else
 297 #ifndef OPENSSL_NO_DSA
 298                                 if (strncmp("dsa:",p,4) == 0)
 299                                 {
 300                                 X509 *xtmp=NULL;
 301                                 EVP_PKEY *dtmp;
 302
 303                                 pkey_type=TYPE_DSA;
 304                                 p+=4;
 305                                 if ((in=BIO_new_file(p,"r")) == NULL)
 306                                         {
 307                                         perror(p);
 308                                         goto end;
 309                                         }
 310                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 311                                         {
 312                                         ERR_clear_error();
 313                                         (void)BIO_reset(in);
 314                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 315                                                 {
 316                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 317                                                 goto end;
 318                                                 }
 319
 320                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 321                                         if (dtmp->type == EVP_PKEY_DSA)
 322                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 323                                         EVP_PKEY_free(dtmp);
 324                                         X509_free(xtmp);
 325                                         if (dsa_params == NULL)
 326                                                 {
 327                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 328                                                 goto end;
 329                                                 }
 330                                         }
 331                                 BIO_free(in);
 332                                 in=NULL;
 333                                 newkey=BN_num_bits(dsa_params->p);
 334                                 }
 335                         else
 336 #endif
 337 #ifndef OPENSSL_NO_ECDSA
 338                                 if (strncmp("ec:",p,3) == 0)
 339                                 {
 340                                 X509 *xtmp=NULL;
 341                                 EVP_PKEY *dtmp;
 342
 343                                 pkey_type=TYPE_EC;
 344                                 p+=3;
 345                                 if ((in=BIO_new_file(p,"r")) == NULL)
 346                                         {
 347                                         perror(p);
 348                                         goto end;
 349                                         }
 350                                 if ((ec_params = EC_KEY_new()) == NULL)
 351                                         goto end;
 352                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
 353                                         {
 354                                         if (ec_params)
 355                                                 EC_KEY_free(ec_params);
 356                                         ERR_clear_error();
 357                                         (void)BIO_reset(in);
 358                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 359                                                 {
 360                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 361                                                 goto end;
 362                                                 }
 363
 364                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 365                                                 goto end;
 366                                         if (dtmp->type == EVP_PKEY_EC)
 367                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
 368                                         EVP_PKEY_free(dtmp);
 369                                         X509_free(xtmp);
 370                                         if (ec_params == NULL)
 371                                                 {
 372                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 373                                                 goto end;
 374                                                 }
 375                                         }
 376
 377                                 BIO_free(in);
 378                                 in=NULL;
 379
 380                                 newkey = EC_GROUP_get_degree(ec_params->group);
 381
 382                                 }
 383                         else
 384 #endif
 385 #ifndef OPENSSL_NO_DH
 386                                 if (strncmp("dh:",p,4) == 0)
 387                                 {
 388                                 pkey_type=TYPE_DH;
 389                                 p+=3;
 390                                 }
 391                         else
 392 #endif
 393                                 {
 394                                 goto bad;
 395                                 }
 396
 397                         newreq=1;
 398                         }
 399                 else if (strcmp(*argv,"-batch") == 0)
 400                         batch=1;
 401                 else if (strcmp(*argv,"-newhdr") == 0)
 402                         newhdr=1;
 403                 else if (strcmp(*argv,"-modulus") == 0)
 404                         modulus=1;
 405                 else if (strcmp(*argv,"-verify") == 0)
 406                         verify=1;
 407                 else if (strcmp(*argv,"-nodes") == 0)
 408                         nodes=1;
 409                 else if (strcmp(*argv,"-noout") == 0)
 410                         noout=1;
 411                 else if (strcmp(*argv,"-verbose") == 0)
 412                         verbose=1;
 413                 else if (strcmp(*argv,"-utf8") == 0)
 414                         chtype = MBSTRING_UTF8;
 415                 else if (strcmp(*argv,"-nameopt") == 0)
 416                         {
 417                         if (--argc < 1) goto bad;
 418                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 419                         }
 420                 else if (strcmp(*argv,"-reqopt") == 0)
 421                         {
 422                         if (--argc < 1) goto bad;
 423                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 424                         }
 425                 else if (strcmp(*argv,"-subject") == 0)
 426                         subject=1;
 427                 else if (strcmp(*argv,"-text") == 0)
 428                         text=1;
 429                 else if (strcmp(*argv,"-x509") == 0)
 430                         x509=1;
 431                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 432                         kludge=1;
 433                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 434                         kludge=0;
 435                 else if (strcmp(*argv,"-subj") == 0)
 436                         {
 437                         if (--argc < 1) goto bad;
 438                         subj= *(++argv);
 439                         }
 440                 else if (strcmp(*argv,"-days") == 0)
 441                         {
 442                         if (--argc < 1) goto bad;
 443                         days= atoi(*(++argv));
 444                         if (days == 0) days=30;
 445                         }
 446                 else if (strcmp(*argv,"-set_serial") == 0)
 447                         {
 448                         if (--argc < 1) goto bad;
 449                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 450                         if (!serial) goto bad;
 451                         }
 452                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 453                         {
 454                         /* ok */
 455                         digest=md_alg;
 456                         }
 457                 else if (strcmp(*argv,"-extensions") == 0)
 458                         {
 459                         if (--argc < 1) goto bad;
 460                         extensions = *(++argv);
 461                         }
 462                 else if (strcmp(*argv,"-reqexts") == 0)
 463                         {
 464                         if (--argc < 1) goto bad;
 465                         req_exts = *(++argv);
 466                         }
 467                 else
 468                         {
 469                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 470                         badops=1;
 471                         break;
 472                         }
 473                 argc--;
 474                 argv++;
 475                 }
 476
 477         if (badops)
 478                 {
 479 bad:
 480                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 481                 BIO_printf(bio_err,"where options  are\n");
 482                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 483                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 484                 BIO_printf(bio_err," -in arg        input file\n");
 485                 BIO_printf(bio_err," -out arg       output file\n");
 486                 BIO_printf(bio_err," -text          text form of request\n");
 487                 BIO_printf(bio_err," -pubkey        output public key\n");
 488                 BIO_printf(bio_err," -noout         do not output REQ\n");
 489                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 490                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 491                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 492                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 493                 BIO_printf(bio_err," -subject       output the request's subject\n");
 494                 BIO_printf(bio_err," -passin        private key password source\n");
 495                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 496                 BIO_printf(bio_err," -keyform arg   key file format\n");
 497                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 498                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 499                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 500                 BIO_printf(bio_err,"                the random number generator\n");
 501                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 502                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 503 #ifndef OPENSSL_NO_ECDSA
 504                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 505 #endif
 506                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 507                 BIO_printf(bio_err," -config file   request template file.\n");
 508                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 509                 BIO_printf(bio_err," -new           new request.\n");
 510                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 511                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 512                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 513                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 514                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 515                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 516                 BIO_printf(bio_err,"                have been reported as requiring\n");
 517                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 518                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 519                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 520                 BIO_printf(bio_err," -nameopt arg   - various certificate name options\n");
 521                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 522                 goto end;
 523                 }
 524
 525         ERR_load_crypto_strings();
 526         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 527                 BIO_printf(bio_err, "Error getting passwords\n");
 528                 goto end;
 529         }
 530
 531 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 532         /* Lets load up our environment a little */
 533         p=getenv("OPENSSL_CONF");
 534         if (p == NULL)
 535                 p=getenv("SSLEAY_CONF");
 536         if (p == NULL)
 537                 p=to_free=make_config_name();
 538         default_config_file=p;
 539         config=NCONF_new(NULL);
 540         i=NCONF_load(config, p, &errline);
 541 #endif
 542
 543         if (template != NULL)
 544                 {
 545                 long errline = -1;
 546
 547                 if( verbose )
 548                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 549                 req_conf=NCONF_new(NULL);
 550                 i=NCONF_load(req_conf,template,&errline);
 551                 if (i == 0)
 552                         {
 553                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 554                         goto end;
 555                         }
 556                 }
 557         else
 558                 {
 559                 req_conf=config;
 560                 if( verbose )
 561                         BIO_printf(bio_err,"Using configuration from %s\n",
 562                         default_config_file);
 563                 if (req_conf == NULL)
 564                         {
 565                         BIO_printf(bio_err,"Unable to load config info\n");
 566                         }
 567                 }
 568
 569         if (req_conf != NULL)
 570                 {
 571                 if (!load_config(bio_err, req_conf))
 572                         goto end;
 573                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 574                 if (p == NULL)
 575                         ERR_clear_error();
 576                 if (p != NULL)
 577                         {
 578                         BIO *oid_bio;
 579
 580                         oid_bio=BIO_new_file(p,"r");
 581                         if (oid_bio == NULL)
 582                                 {
 583                                 /*
 584                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 585                                 ERR_print_errors(bio_err);
 586                                 */
 587                                 }
 588                         else
 589                                 {
 590                                 OBJ_create_objects(oid_bio);
 591                                 BIO_free(oid_bio);
 592                                 }
 593                         }
 594                 }
 595         if(!add_oid_section(bio_err, req_conf)) goto end;
 596
 597         if (md_alg == NULL)
 598                 {
 599                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 600                 if (p == NULL)
 601                         ERR_clear_error();
 602                 if (p != NULL)
 603                         {
 604                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 605                                 digest=md_alg;
 606                         }
 607                 }
 608
 609         if (!extensions)
 610                 {
 611                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 612                 if (!extensions)
 613                         ERR_clear_error();
 614                 }
 615         if (extensions) {
 616                 /* Check syntax of file */
 617                 X509V3_CTX ctx;
 618                 X509V3_set_ctx_test(&ctx);
 619                 X509V3_set_nconf(&ctx, req_conf);
 620                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 621                         BIO_printf(bio_err,
 622                          "Error Loading extension section %s\n", extensions);
 623                         goto end;
 624                 }
 625         }
 626
 627         if(!passin)
 628                 {
 629                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 630                 if (!passin)
 631                         ERR_clear_error();
 632                 }
 633
 634         if(!passout)
 635                 {
 636                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 637                 if (!passout)
 638                         ERR_clear_error();
 639                 }
 640
 641         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 642         if (!p)
 643                 ERR_clear_error();
 644
 645         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 646                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 647                 goto end;
 648         }
 649
 650         if (chtype != MBSTRING_UTF8)
 651                 {
 652                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 653                 if (!p)
 654                         ERR_clear_error();
 655                 else if (!strcmp(p, "yes"))
 656                         chtype = MBSTRING_UTF8;
 657                 }
 658
 659
 660         if(!req_exts)
 661                 {
 662                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 663                 if (!req_exts)
 664                         ERR_clear_error();
 665                 }
 666         if(req_exts) {
 667                 /* Check syntax of file */
 668                 X509V3_CTX ctx;
 669                 X509V3_set_ctx_test(&ctx);
 670                 X509V3_set_nconf(&ctx, req_conf);
 671                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 672                         BIO_printf(bio_err,
 673                          "Error Loading request extension section %s\n",
 674                                                                 req_exts);
 675                         goto end;
 676                 }
 677         }
 678
 679         in=BIO_new(BIO_s_file());
 680         out=BIO_new(BIO_s_file());
 681         if ((in == NULL) || (out == NULL))
 682                 goto end;
 683
 684         e = setup_engine(bio_err, engine, 0);
 685
 686         if (keyfile != NULL)
 687                 {
 688                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 689                         "Private Key");
 690                 if (!pkey)
 691                         {
 692                         /* load_key() has already printed an appropriate
 693                            message */
 694                         goto end;
 695                         }
 696                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 697                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 698                         {
 699                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 700                         if (randfile == NULL)
 701                                 ERR_clear_error();
 702                         app_RAND_load_file(randfile, bio_err, 0);
 703                         }
 704                 }
 705
 706         if (newreq && (pkey == NULL))
 707                 {
 708                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 709                 if (randfile == NULL)
 710                         ERR_clear_error();
 711                 app_RAND_load_file(randfile, bio_err, 0);
 712                 if (inrand)
 713                         app_RAND_load_files(inrand);
 714
 715                 if (newkey <= 0)
 716                         {
 717                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 718                                 newkey=DEFAULT_KEY_LENGTH;
 719                         }
 720
 721                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 722                         {
 723                         BIO_printf(bio_err,"private key length is too short,\n");
 724                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 725                         goto end;
 726                         }
 727                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 728                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 729                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 730
 731                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 732
 733 #ifndef OPENSSL_NO_RSA
 734                 if (pkey_type == TYPE_RSA)
 735                         {
 736                         if (!EVP_PKEY_assign_RSA(pkey,
 737                                 RSA_generate_key(newkey,0x10001,
 738                                         req_cb,bio_err)))
 739                                 goto end;
 740                         }
 741                 else
 742 #endif
 743 #ifndef OPENSSL_NO_DSA
 744                         if (pkey_type == TYPE_DSA)
 745                         {
 746                         if (!DSA_generate_key(dsa_params)) goto end;
 747                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 748                         dsa_params=NULL;
 749                         }
 750 #endif
 751 #ifndef OPENSSL_NO_ECDSA
 752                         if (pkey_type == TYPE_EC)
 753                         {
 754                         if (!EC_KEY_generate_key(ec_params)) goto end;
 755                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 756                                 goto end;
 757                         ec_params = NULL;
 758                         }
 759 #endif
 760
 761                 app_RAND_write_file(randfile, bio_err);
 762
 763                 if (pkey == NULL) goto end;
 764
 765                 if (keyout == NULL)
 766                         {
 767                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 768                         if (keyout == NULL)
 769                                 ERR_clear_error();
 770                         }
 771
 772                 if (keyout == NULL)
 773                         {
 774                         BIO_printf(bio_err,"writing new private key to stdout\n");
 775                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 776 #ifdef OPENSSL_SYS_VMS
 777                         {
 778                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 779                         out = BIO_push(tmpbio, out);
 780                         }
 781 #endif
 782                         }
 783                 else
 784                         {
 785                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 786                         if (BIO_write_filename(out,keyout) <= 0)
 787                                 {
 788                                 perror(keyout);
 789                                 goto end;
 790                                 }
 791                         }
 792
 793                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 794                 if (p == NULL)
 795                         {
 796                         ERR_clear_error();
 797                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 798                         if (p == NULL)
 799                                 ERR_clear_error();
 800                         }
 801                 if ((p != NULL) && (strcmp(p,"no") == 0))
 802                         cipher=NULL;
 803                 if (nodes) cipher=NULL;
 804
 805                 i=0;
 806 loop:
 807                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 808                         NULL,0,NULL,passout))
 809                         {
 810                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 811                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 812                                 {
 813                                 ERR_clear_error();
 814                                 i++;
 815                                 goto loop;
 816                                 }
 817                         goto end;
 818                         }
 819                 BIO_printf(bio_err,"-----\n");
 820                 }
 821
 822         if (!newreq)
 823                 {
 824                 /* Since we are using a pre-existing certificate
 825                  * request, the kludge 'format' info should not be
 826                  * changed. */
 827                 kludge= -1;
 828                 if (infile == NULL)
 829                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 830                 else
 831                         {
 832                         if (BIO_read_filename(in,infile) <= 0)
 833                                 {
 834                                 perror(infile);
 835                                 goto end;
 836                                 }
 837                         }
 838
 839                 if      (informat == FORMAT_ASN1)
 840                         req=d2i_X509_REQ_bio(in,NULL);
 841                 else if (informat == FORMAT_PEM)
 842                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 843                 else
 844                         {
 845                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 846                         goto end;
 847                         }
 848                 if (req == NULL)
 849                         {
 850                         BIO_printf(bio_err,"unable to load X509 request\n");
 851                         goto end;
 852                         }
 853                 }
 854
 855         if (newreq || x509)
 856                 {
 857                 if (pkey == NULL)
 858                         {
 859                         BIO_printf(bio_err,"you need to specify a private key\n");
 860                         goto end;
 861                         }
 862 #ifndef OPENSSL_NO_DSA
 863                 if (pkey->type == EVP_PKEY_DSA)
 864                         digest=EVP_dss1();
 865 #endif
 866 #ifndef OPENSSL_NO_ECDSA
 867                 if (pkey->type == EVP_PKEY_EC)
 868                         digest=EVP_ecdsa();
 869 #endif
 870                 if (req == NULL)
 871                         {
 872                         req=X509_REQ_new();
 873                         if (req == NULL)
 874                                 {
 875                                 goto end;
 876                                 }
 877
 878                         i=make_REQ(req,pkey,subj,!x509, chtype);
 879                         subj=NULL; /* done processing '-subj' option */
 880                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 881                                 {
 882                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 883                                 req->req_info->attributes = NULL;
 884                                 }
 885                         if (!i)
 886                                 {
 887                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 888                                 goto end;
 889                                 }
 890                         }
 891                 if (x509)
 892                         {
 893                         EVP_PKEY *tmppkey;
 894                         X509V3_CTX ext_ctx;
 895                         if ((x509ss=X509_new()) == NULL) goto end;
 896
 897                         /* Set version to V3 */
 898                         if(!X509_set_version(x509ss, 2)) goto end;
 899                         if (serial)
 900                                 {
 901                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 902                                 }
 903                         else
 904                                 {
 905                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
 906                                 }
 907
 908                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 909                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 910                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 911                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 912                         tmppkey = X509_REQ_get_pubkey(req);
 913                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 914                         EVP_PKEY_free(tmppkey);
 915
 916                         /* Set up V3 context struct */
 917
 918                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 919                         X509V3_set_nconf(&ext_ctx, req_conf);
 920
 921                         /* Add extensions */
 922                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 923                                         &ext_ctx, extensions, x509ss))
 924                                 {
 925                                 BIO_printf(bio_err,
 926                                         "Error Loading extension section %s\n",
 927                                         extensions);
 928                                 goto end;
 929                                 }
 930
 931                         if (!(i=X509_sign(x509ss,pkey,digest)))
 932                                 goto end;
 933                         }
 934                 else
 935                         {
 936                         X509V3_CTX ext_ctx;
 937
 938                         /* Set up V3 context struct */
 939
 940                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 941                         X509V3_set_nconf(&ext_ctx, req_conf);
 942
 943                         /* Add extensions */
 944                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 945                                         &ext_ctx, req_exts, req))
 946                                 {
 947                                 BIO_printf(bio_err,
 948                                         "Error Loading extension section %s\n",
 949                                         req_exts);
 950                                 goto end;
 951                                 }
 952                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 953                                 goto end;
 954                         }
 955                 }
 956
 957         if (subj && x509)
 958                 {
 959                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 960                 goto end;
 961                 }
 962
 963         if (subj && !x509)
 964                 {
 965                 if (verbose)
 966                         {
 967                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 968                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 969                         }
 970
 971                 if (build_subject(req, subj, chtype) == 0)
 972                         {
 973                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 974                         ex=1;
 975                         goto end;
 976                         }
 977
 978                 req->req_info->enc.modified = 1;
 979
 980                 if (verbose)
 981                         {
 982                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 983                         }
 984                 }
 985
 986         if (verify && !x509)
 987                 {
 988                 int tmp=0;
 989
 990                 if (pkey == NULL)
 991                         {
 992                         pkey=X509_REQ_get_pubkey(req);
 993                         tmp=1;
 994                         if (pkey == NULL) goto end;
 995                         }
 996
 997                 i=X509_REQ_verify(req,pkey);
 998                 if (tmp) {
 999                         EVP_PKEY_free(pkey);
1000                         pkey=NULL;
1001                 }
1002
1003                 if (i < 0)
1004                         {
1005                         goto end;
1006                         }
1007                 else if (i == 0)
1008                         {
1009                         BIO_printf(bio_err,"verify failure\n");
1010                         ERR_print_errors(bio_err);
1011                         }
1012                 else /* if (i > 0) */
1013                         BIO_printf(bio_err,"verify OK\n");
1014                 }
1015
1016         if (noout && !text && !modulus && !subject && !pubkey)
1017                 {
1018                 ex=0;
1019                 goto end;
1020                 }
1021
1022         if (outfile == NULL)
1023                 {
1024                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1025 #ifdef OPENSSL_SYS_VMS
1026                 {
1027                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1028                 out = BIO_push(tmpbio, out);
1029                 }
1030 #endif
1031                 }
1032         else
1033                 {
1034                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1035                         i=(int)BIO_append_filename(out,outfile);
1036                 else
1037                         i=(int)BIO_write_filename(out,outfile);
1038                 if (!i)
1039                         {
1040                         perror(outfile);
1041                         goto end;
1042                         }
1043                 }
1044
1045         if (pubkey)
1046                 {
1047                 EVP_PKEY *tpubkey;
1048                 tpubkey=X509_REQ_get_pubkey(req);
1049                 if (tpubkey == NULL)
1050                         {
1051                         BIO_printf(bio_err,"Error getting public key\n");
1052                         ERR_print_errors(bio_err);
1053                         goto end;
1054                         }
1055                 PEM_write_bio_PUBKEY(out, tpubkey);
1056                 EVP_PKEY_free(tpubkey);
1057                 }
1058
1059         if (text)
1060                 {
1061                 if (x509)
1062                         X509_print_ex(out, x509ss, nmflag, reqflag);
1063                 else
1064                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1065                 }
1066
1067         if(subject)
1068                 {
1069                 if(x509)
1070                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1071                 else
1072                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1073                 }
1074
1075         if (modulus)
1076                 {
1077                 EVP_PKEY *tpubkey;
1078
1079                 if (x509)
1080                         tpubkey=X509_get_pubkey(x509ss);
1081                 else
1082                         tpubkey=X509_REQ_get_pubkey(req);
1083                 if (tpubkey == NULL)
1084                         {
1085                         fprintf(stdout,"Modulus=unavailable\n");
1086                         goto end;
1087                         }
1088                 fprintf(stdout,"Modulus=");
1089 #ifndef OPENSSL_NO_RSA
1090                 if (tpubkey->type == EVP_PKEY_RSA)
1091                         BN_print(out,tpubkey->pkey.rsa->n);
1092                 else
1093 #endif
1094                         fprintf(stdout,"Wrong Algorithm type");
1095                 EVP_PKEY_free(tpubkey);
1096                 fprintf(stdout,"\n");
1097                 }
1098
1099         if (!noout && !x509)
1100                 {
1101                 if      (outformat == FORMAT_ASN1)
1102                         i=i2d_X509_REQ_bio(out,req);
1103                 else if (outformat == FORMAT_PEM) {
1104                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1105                         else i=PEM_write_bio_X509_REQ(out,req);
1106                 } else {
1107                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1108                         goto end;
1109                         }
1110                 if (!i)
1111                         {
1112                         BIO_printf(bio_err,"unable to write X509 request\n");
1113                         goto end;
1114                         }
1115                 }
1116         if (!noout && x509 && (x509ss != NULL))
1117                 {
1118                 if      (outformat == FORMAT_ASN1)
1119                         i=i2d_X509_bio(out,x509ss);
1120                 else if (outformat == FORMAT_PEM)
1121                         i=PEM_write_bio_X509(out,x509ss);
1122                 else    {
1123                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1124                         goto end;
1125                         }
1126                 if (!i)
1127                         {
1128                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1129                         goto end;
1130                         }
1131                 }
1132         ex=0;
1133 end:
1134 #ifndef MONOLITH
1135         if(to_free)
1136                 OPENSSL_free(to_free);
1137 #endif
1138         if (ex)
1139                 {
1140                 ERR_print_errors(bio_err);
1141                 }
1142         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1143         BIO_free(in);
1144         BIO_free_all(out);
1145         EVP_PKEY_free(pkey);
1146         X509_REQ_free(req);
1147         X509_free(x509ss);
1148         ASN1_INTEGER_free(serial);
1149         if(passargin && passin) OPENSSL_free(passin);
1150         if(passargout && passout) OPENSSL_free(passout);
1151         OBJ_cleanup();
1152 #ifndef OPENSSL_NO_DSA
1153         if (dsa_params != NULL) DSA_free(dsa_params);
1154 #endif
1155 #ifndef OPENSSL_NO_ECDSA
1156         if (ec_params != NULL) EC_KEY_free(ec_params);
1157 #endif
1158         apps_shutdown();
1159         OPENSSL_EXIT(ex);
1160         }
1161
1162 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1163                         unsigned long chtype)
1164         {
1165         int ret=0,i;
1166         char no_prompt = 0;
1167         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1168         char *tmp, *dn_sect,*attr_sect;
1169
1170         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1171         if (tmp == NULL)
1172                 ERR_clear_error();
1173         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1174
1175         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1176         if (dn_sect == NULL)
1177                 {
1178                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1179                         DISTINGUISHED_NAME);
1180                 goto err;
1181                 }
1182         dn_sk=NCONF_get_section(req_conf,dn_sect);
1183         if (dn_sk == NULL)
1184                 {
1185                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1186                 goto err;
1187                 }
1188
1189         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1190         if (attr_sect == NULL)
1191                 {
1192                 ERR_clear_error();
1193                 attr_sk=NULL;
1194                 }
1195         else
1196                 {
1197                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1198                 if (attr_sk == NULL)
1199                         {
1200                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1201                         goto err;
1202                         }
1203                 }
1204
1205         /* setup version number */
1206         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1207
1208         if (no_prompt)
1209                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1210         else
1211                 {
1212                 if (subj)
1213                         i = build_subject(req, subj, chtype);
1214                 else
1215                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1216                 }
1217         if(!i) goto err;
1218
1219         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1220
1221         ret=1;
1222 err:
1223         return(ret);
1224         }
1225
1226 /*
1227  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1228  * where characters may be escaped by \
1229  */
1230 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1231         {
1232         X509_NAME *n;
1233
1234         if (!(n = do_subject(subject, chtype)))
1235                 return 0;
1236
1237         if (!X509_REQ_set_subject_name(req, n))
1238                 {
1239                 X509_NAME_free(n);
1240                 return 0;
1241                 }
1242         X509_NAME_free(n);
1243         return 1;
1244 }
1245
1246
1247 static int prompt_info(X509_REQ *req,
1248                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1249                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1250                 unsigned long chtype)
1251         {
1252         int i;
1253         char *p,*q;
1254         char buf[100];
1255         int nid;
1256         long n_min,n_max;
1257         char *type,*def,*value;
1258         CONF_VALUE *v;
1259         X509_NAME *subj;
1260         subj = X509_REQ_get_subject_name(req);
1261
1262         if(!batch)
1263                 {
1264                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1265                 BIO_printf(bio_err,"into your certificate request.\n");
1266                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1267                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1268                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1269                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1270                 BIO_printf(bio_err,"-----\n");
1271                 }
1272
1273
1274         if (sk_CONF_VALUE_num(dn_sk))
1275                 {
1276                 i= -1;
1277 start:          for (;;)
1278                         {
1279                         i++;
1280                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1281
1282                         v=sk_CONF_VALUE_value(dn_sk,i);
1283                         p=q=NULL;
1284                         type=v->name;
1285                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1286                                 !check_end(type,"_default") ||
1287                                          !check_end(type,"_value")) continue;
1288                         /* Skip past any leading X. X: X, etc to allow for
1289                          * multiple instances
1290                          */
1291                         for(p = v->name; *p ; p++)
1292                                 if ((*p == ':') || (*p == ',') ||
1293                                                          (*p == '.')) {
1294                                         p++;
1295                                         if(*p) type = p;
1296                                         break;
1297                                 }
1298                         /* If OBJ not recognised ignore it */
1299                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1300
1301                         if(strlen(v->name) > sizeof buf-9)
1302                            {
1303                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1304                            return 0;
1305                            }
1306
1307                         sprintf(buf,"%s_default",v->name);
1308                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1309                                 {
1310                                 ERR_clear_error();
1311                                 def="";
1312                                 }
1313                         sprintf(buf,"%s_value",v->name);
1314                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1315                                 {
1316                                 ERR_clear_error();
1317                                 value=NULL;
1318                                 }
1319
1320                         sprintf(buf,"%s_min",v->name);
1321                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1322                                 n_min = -1;
1323
1324                         sprintf(buf,"%s_max",v->name);
1325                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1326                                 n_max = -1;
1327
1328                         if (!add_DN_object(subj,v->value,def,value,nid,
1329                                 n_min,n_max, chtype))
1330                                 return 0;
1331                         }
1332                 if (X509_NAME_entry_count(subj) == 0)
1333                         {
1334                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1335                         return 0;
1336                         }
1337
1338                 if (attribs)
1339                         {
1340                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1341                                 {
1342                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1343                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1344                                 }
1345
1346                         i= -1;
1347 start2:                 for (;;)
1348                                 {
1349                                 i++;
1350                                 if ((attr_sk == NULL) ||
1351                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1352                                         break;
1353
1354                                 v=sk_CONF_VALUE_value(attr_sk,i);
1355                                 type=v->name;
1356                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1357                                         goto start2;
1358
1359                                 if(strlen(v->name) > sizeof buf-9)
1360                                    {
1361                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1362                                    return 0;
1363                                    }
1364
1365                                 sprintf(buf,"%s_default",type);
1366                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1367                                         == NULL)
1368                                         {
1369                                         ERR_clear_error();
1370                                         def="";
1371                                         }
1372
1373
1374                                 sprintf(buf,"%s_value",type);
1375                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1376                                         == NULL)
1377                                         {
1378                                         ERR_clear_error();
1379                                         value=NULL;
1380                                         }
1381
1382                                 sprintf(buf,"%s_min",type);
1383                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1384                                         n_min = -1;
1385
1386                                 sprintf(buf,"%s_max",type);
1387                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1388                                         n_max = -1;
1389
1390                                 if (!add_attribute_object(req,
1391                                         v->value,def,value,nid,n_min,n_max, chtype))
1392                                         return 0;
1393                                 }
1394                         }
1395                 }
1396         else
1397                 {
1398                 BIO_printf(bio_err,"No template, please set one up.\n");
1399                 return 0;
1400                 }
1401
1402         return 1;
1403
1404         }
1405
1406 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1407                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1408         {
1409         int i;
1410         char *p,*q;
1411         char *type;
1412         CONF_VALUE *v;
1413         X509_NAME *subj;
1414
1415         subj = X509_REQ_get_subject_name(req);
1416
1417         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1418                 {
1419                 v=sk_CONF_VALUE_value(dn_sk,i);
1420                 p=q=NULL;
1421                 type=v->name;
1422                 /* Skip past any leading X. X: X, etc to allow for
1423                  * multiple instances
1424                  */
1425                 for(p = v->name; *p ; p++)
1426 #ifndef CHARSET_EBCDIC
1427                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1428 #else
1429                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1430 #endif
1431                                 p++;
1432                                 if(*p) type = p;
1433                                 break;
1434                         }
1435                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1436                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1437
1438                 }
1439
1440                 if (!X509_NAME_entry_count(subj))
1441                         {
1442                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1443                         return 0;
1444                         }
1445                 if (attribs)
1446                         {
1447                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1448                                 {
1449                                 v=sk_CONF_VALUE_value(attr_sk,i);
1450                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1451                                         (unsigned char *)v->value, -1)) return 0;
1452                                 }
1453                         }
1454         return 1;
1455         }
1456
1457
1458 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1459              int nid, int n_min, int n_max, unsigned long chtype)
1460         {
1461         int i,ret=0;
1462         MS_STATIC char buf[1024];
1463 start:
1464         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1465         (void)BIO_flush(bio_err);
1466         if(value != NULL)
1467                 {
1468                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1469                 strcpy(buf,value);
1470                 strcat(buf,"\n");
1471                 BIO_printf(bio_err,"%s\n",value);
1472                 }
1473         else
1474                 {
1475                 buf[0]='\0';
1476                 if (!batch)
1477                         {
1478                         fgets(buf,sizeof buf,stdin);
1479                         }
1480                 else
1481                         {
1482                         buf[0] = '\n';
1483                         buf[1] = '\0';
1484                         }
1485                 }
1486
1487         if (buf[0] == '\0') return(0);
1488         else if (buf[0] == '\n')
1489                 {
1490                 if ((def == NULL) || (def[0] == '\0'))
1491                         return(1);
1492                 strcpy(buf,def);
1493                 strcat(buf,"\n");
1494                 }
1495         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1496
1497         i=strlen(buf);
1498         if (buf[i-1] != '\n')
1499                 {
1500                 BIO_printf(bio_err,"weird input :-(\n");
1501                 return(0);
1502                 }
1503         buf[--i]='\0';
1504 #ifdef CHARSET_EBCDIC
1505         ebcdic2ascii(buf, buf, i);
1506 #endif
1507         if(!req_check_len(i, n_min, n_max)) goto start;
1508         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1509                                 (unsigned char *) buf, -1,-1,0)) goto err;
1510         ret=1;
1511 err:
1512         return(ret);
1513         }
1514
1515 static int add_attribute_object(X509_REQ *req, char *text,
1516                                 char *def, char *value, int nid, int n_min,
1517                                 int n_max, unsigned long chtype)
1518         {
1519         int i;
1520         static char buf[1024];
1521
1522 start:
1523         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1524         (void)BIO_flush(bio_err);
1525         if (value != NULL)
1526                 {
1527                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1528                 strcpy(buf,value);
1529                 strcat(buf,"\n");
1530                 BIO_printf(bio_err,"%s\n",value);
1531                 }
1532         else
1533                 {
1534                 buf[0]='\0';
1535                 if (!batch)
1536                         {
1537                         fgets(buf,sizeof buf,stdin);
1538                         }
1539                 else
1540                         {
1541                         buf[0] = '\n';
1542                         buf[1] = '\0';
1543                         }
1544                 }
1545
1546         if (buf[0] == '\0') return(0);
1547         else if (buf[0] == '\n')
1548                 {
1549                 if ((def == NULL) || (def[0] == '\0'))
1550                         return(1);
1551                 strcpy(buf,def);
1552                 strcat(buf,"\n");
1553                 }
1554         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1555
1556         i=strlen(buf);
1557         if (buf[i-1] != '\n')
1558                 {
1559                 BIO_printf(bio_err,"weird input :-(\n");
1560                 return(0);
1561                 }
1562         buf[--i]='\0';
1563 #ifdef CHARSET_EBCDIC
1564         ebcdic2ascii(buf, buf, i);
1565 #endif
1566         if(!req_check_len(i, n_min, n_max)) goto start;
1567
1568         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1569                                         (unsigned char *)buf, -1)) {
1570                 BIO_printf(bio_err, "Error adding attribute\n");
1571                 ERR_print_errors(bio_err);
1572                 goto err;
1573         }
1574
1575         return(1);
1576 err:
1577         return(0);
1578         }
1579
1580 #ifndef OPENSSL_NO_RSA
1581 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1582         {
1583         char c='*';
1584
1585         if (p == 0) c='.';
1586         if (p == 1) c='+';
1587         if (p == 2) c='*';
1588         if (p == 3) c='\n';
1589         BIO_write((BIO *)arg,&c,1);
1590         (void)BIO_flush((BIO *)arg);
1591 #ifdef LINT
1592         p=n;
1593 #endif
1594         }
1595 #endif
1596
1597 static int req_check_len(int len, int n_min, int n_max)
1598         {
1599         if ((n_min > 0) && (len < n_min))
1600                 {
1601                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1602                 return(0);
1603                 }
1604         if ((n_max >= 0) && (len > n_max))
1605                 {
1606                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1607                 return(0);
1608                 }
1609         return(1);
1610         }
1611
1612 /* Check if the end of a string matches 'end' */
1613 static int check_end(char *str, char *end)
1614 {
1615         int elen, slen;
1616         char *tmp;
1617         elen = strlen(end);
1618         slen = strlen(str);
1619         if(elen > slen) return 1;
1620         tmp = str + slen - elen;
1621         return strcmp(tmp, end);
1622 }