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 #endif
 145 static CONF *req_conf=NULL;
 146 static int batch=0;
 147
 148 #define TYPE_RSA        1
 149 #define TYPE_DSA        2
 150 #define TYPE_DH         3
 151 #define TYPE_EC         4
 152
 153 int MAIN(int, char **);
 154
 155 int MAIN(int argc, char **argv)
 156         {
 157         ENGINE *e = NULL;
 158 #ifndef OPENSSL_NO_DSA
 159         DSA *dsa_params=NULL;
 160 #endif
 161 #ifndef OPENSSL_NO_ECDSA
 162         EC_KEY *ec_params = NULL;
 163 #endif
 164         unsigned long nmflag = 0, reqflag = 0;
 165         int ex=1,x509=0,days=30;
 166         X509 *x509ss=NULL;
 167         X509_REQ *req=NULL;
 168         EVP_PKEY *pkey=NULL;
 169         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 170         long newkey = -1;
 171         BIO *in=NULL,*out=NULL;
 172         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 173         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 174         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 175         char *engine=NULL;
 176         char *extensions = NULL;
 177         char *req_exts = NULL;
 178         const EVP_CIPHER *cipher=NULL;
 179         ASN1_INTEGER *serial = NULL;
 180         int modulus=0;
 181         char *inrand=NULL;
 182         char *passargin = NULL, *passargout = NULL;
 183         char *passin = NULL, *passout = NULL;
 184         char *p;
 185         char *subj = NULL;
 186         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 187         unsigned long chtype = MBSTRING_ASC;
 188 #ifndef MONOLITH
 189         char *to_free;
 190         long errline;
 191 #endif
 192
 193         req_conf = NULL;
 194 #ifndef OPENSSL_NO_DES
 195         cipher=EVP_des_ede3_cbc();
 196 #endif
 197         apps_startup();
 198
 199         if (bio_err == NULL)
 200                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 201                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 202
 203         infile=NULL;
 204         outfile=NULL;
 205         informat=FORMAT_PEM;
 206         outformat=FORMAT_PEM;
 207
 208         prog=argv[0];
 209         argc--;
 210         argv++;
 211         while (argc >= 1)
 212                 {
 213                 if      (strcmp(*argv,"-inform") == 0)
 214                         {
 215                         if (--argc < 1) goto bad;
 216                         informat=str2fmt(*(++argv));
 217                         }
 218                 else if (strcmp(*argv,"-outform") == 0)
 219                         {
 220                         if (--argc < 1) goto bad;
 221                         outformat=str2fmt(*(++argv));
 222                         }
 223                 else if (strcmp(*argv,"-engine") == 0)
 224                         {
 225                         if (--argc < 1) goto bad;
 226                         engine= *(++argv);
 227                         }
 228                 else if (strcmp(*argv,"-key") == 0)
 229                         {
 230                         if (--argc < 1) goto bad;
 231                         keyfile= *(++argv);
 232                         }
 233                 else if (strcmp(*argv,"-pubkey") == 0)
 234                         {
 235                         pubkey=1;
 236                         }
 237                 else if (strcmp(*argv,"-new") == 0)
 238                         {
 239                         newreq=1;
 240                         }
 241                 else if (strcmp(*argv,"-config") == 0)
 242                         {
 243                         if (--argc < 1) goto bad;
 244                         template= *(++argv);
 245                         }
 246                 else if (strcmp(*argv,"-keyform") == 0)
 247                         {
 248                         if (--argc < 1) goto bad;
 249                         keyform=str2fmt(*(++argv));
 250                         }
 251                 else if (strcmp(*argv,"-in") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         infile= *(++argv);
 255                         }
 256                 else if (strcmp(*argv,"-out") == 0)
 257                         {
 258                         if (--argc < 1) goto bad;
 259                         outfile= *(++argv);
 260                         }
 261                 else if (strcmp(*argv,"-keyout") == 0)
 262                         {
 263                         if (--argc < 1) goto bad;
 264                         keyout= *(++argv);
 265                         }
 266                 else if (strcmp(*argv,"-passin") == 0)
 267                         {
 268                         if (--argc < 1) goto bad;
 269                         passargin= *(++argv);
 270                         }
 271                 else if (strcmp(*argv,"-passout") == 0)
 272                         {
 273                         if (--argc < 1) goto bad;
 274                         passargout= *(++argv);
 275                         }
 276                 else if (strcmp(*argv,"-rand") == 0)
 277                         {
 278                         if (--argc < 1) goto bad;
 279                         inrand= *(++argv);
 280                         }
 281                 else if (strcmp(*argv,"-newkey") == 0)
 282                         {
 283                         int is_numeric;
 284
 285                         if (--argc < 1) goto bad;
 286                         p= *(++argv);
 287                         is_numeric = p[0] >= '0' && p[0] <= '9';
 288                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 289                                 {
 290                                 pkey_type=TYPE_RSA;
 291                                 if(!is_numeric)
 292                                     p+=4;
 293                                 newkey= atoi(p);
 294                                 }
 295                         else
 296 #ifndef OPENSSL_NO_DSA
 297                                 if (strncmp("dsa:",p,4) == 0)
 298                                 {
 299                                 X509 *xtmp=NULL;
 300                                 EVP_PKEY *dtmp;
 301
 302                                 pkey_type=TYPE_DSA;
 303                                 p+=4;
 304                                 if ((in=BIO_new_file(p,"r")) == NULL)
 305                                         {
 306                                         perror(p);
 307                                         goto end;
 308                                         }
 309                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 310                                         {
 311                                         ERR_clear_error();
 312                                         (void)BIO_reset(in);
 313                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 314                                                 {
 315                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 316                                                 goto end;
 317                                                 }
 318
 319                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 320                                         if (dtmp->type == EVP_PKEY_DSA)
 321                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 322                                         EVP_PKEY_free(dtmp);
 323                                         X509_free(xtmp);
 324                                         if (dsa_params == NULL)
 325                                                 {
 326                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 327                                                 goto end;
 328                                                 }
 329                                         }
 330                                 BIO_free(in);
 331                                 in=NULL;
 332                                 newkey=BN_num_bits(dsa_params->p);
 333                                 }
 334                         else
 335 #endif
 336 #ifndef OPENSSL_NO_ECDSA
 337                                 if (strncmp("ec:",p,3) == 0)
 338                                 {
 339                                 X509 *xtmp=NULL;
 340                                 EVP_PKEY *dtmp;
 341
 342                                 pkey_type=TYPE_EC;
 343                                 p+=3;
 344                                 if ((in=BIO_new_file(p,"r")) == NULL)
 345                                         {
 346                                         perror(p);
 347                                         goto end;
 348                                         }
 349                                 if ((ec_params = EC_KEY_new()) == NULL)
 350                                         goto end;
 351                                 if ((ec_params->group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL)) == NULL)
 352                                         {
 353                                         if (ec_params)
 354                                                 EC_KEY_free(ec_params);
 355                                         ERR_clear_error();
 356                                         (void)BIO_reset(in);
 357                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 358                                                 {
 359                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 360                                                 goto end;
 361                                                 }
 362
 363                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 364                                                 goto end;
 365                                         if (dtmp->type == EVP_PKEY_EC)
 366                                                 ec_params = ECParameters_dup(dtmp->pkey.eckey);
 367                                         EVP_PKEY_free(dtmp);
 368                                         X509_free(xtmp);
 369                                         if (ec_params == NULL)
 370                                                 {
 371                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 372                                                 goto end;
 373                                                 }
 374                                         }
 375
 376                                 BIO_free(in);
 377                                 in=NULL;
 378
 379                                 newkey = EC_GROUP_get_degree(ec_params->group);
 380
 381                                 }
 382                         else
 383 #endif
 384 #ifndef OPENSSL_NO_DH
 385                                 if (strncmp("dh:",p,4) == 0)
 386                                 {
 387                                 pkey_type=TYPE_DH;
 388                                 p+=3;
 389                                 }
 390                         else
 391 #endif
 392                                 {
 393                                 goto bad;
 394                                 }
 395
 396                         newreq=1;
 397                         }
 398                 else if (strcmp(*argv,"-batch") == 0)
 399                         batch=1;
 400                 else if (strcmp(*argv,"-newhdr") == 0)
 401                         newhdr=1;
 402                 else if (strcmp(*argv,"-modulus") == 0)
 403                         modulus=1;
 404                 else if (strcmp(*argv,"-verify") == 0)
 405                         verify=1;
 406                 else if (strcmp(*argv,"-nodes") == 0)
 407                         nodes=1;
 408                 else if (strcmp(*argv,"-noout") == 0)
 409                         noout=1;
 410                 else if (strcmp(*argv,"-verbose") == 0)
 411                         verbose=1;
 412                 else if (strcmp(*argv,"-utf8") == 0)
 413                         chtype = MBSTRING_UTF8;
 414                 else if (strcmp(*argv,"-nameopt") == 0)
 415                         {
 416                         if (--argc < 1) goto bad;
 417                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 418                         }
 419                 else if (strcmp(*argv,"-reqopt") == 0)
 420                         {
 421                         if (--argc < 1) goto bad;
 422                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 423                         }
 424                 else if (strcmp(*argv,"-subject") == 0)
 425                         subject=1;
 426                 else if (strcmp(*argv,"-text") == 0)
 427                         text=1;
 428                 else if (strcmp(*argv,"-x509") == 0)
 429                         x509=1;
 430                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 431                         kludge=1;
 432                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 433                         kludge=0;
 434                 else if (strcmp(*argv,"-subj") == 0)
 435                         {
 436                         if (--argc < 1) goto bad;
 437                         subj= *(++argv);
 438                         }
 439                 else if (strcmp(*argv,"-days") == 0)
 440                         {
 441                         if (--argc < 1) goto bad;
 442                         days= atoi(*(++argv));
 443                         if (days == 0) days=30;
 444                         }
 445                 else if (strcmp(*argv,"-set_serial") == 0)
 446                         {
 447                         if (--argc < 1) goto bad;
 448                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 449                         if (!serial) goto bad;
 450                         }
 451                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 452                         {
 453                         /* ok */
 454                         digest=md_alg;
 455                         }
 456                 else if (strcmp(*argv,"-extensions") == 0)
 457                         {
 458                         if (--argc < 1) goto bad;
 459                         extensions = *(++argv);
 460                         }
 461                 else if (strcmp(*argv,"-reqexts") == 0)
 462                         {
 463                         if (--argc < 1) goto bad;
 464                         req_exts = *(++argv);
 465                         }
 466                 else
 467                         {
 468                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 469                         badops=1;
 470                         break;
 471                         }
 472                 argc--;
 473                 argv++;
 474                 }
 475
 476         if (badops)
 477                 {
 478 bad:
 479                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 480                 BIO_printf(bio_err,"where options  are\n");
 481                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 482                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 483                 BIO_printf(bio_err," -in arg        input file\n");
 484                 BIO_printf(bio_err," -out arg       output file\n");
 485                 BIO_printf(bio_err," -text          text form of request\n");
 486                 BIO_printf(bio_err," -pubkey        output public key\n");
 487                 BIO_printf(bio_err," -noout         do not output REQ\n");
 488                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 489                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 490                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 491                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 492                 BIO_printf(bio_err," -subject       output the request's subject\n");
 493                 BIO_printf(bio_err," -passin        private key password source\n");
 494                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 495                 BIO_printf(bio_err," -keyform arg   key file format\n");
 496                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 497                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 498                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 499                 BIO_printf(bio_err,"                the random number generator\n");
 500                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 501                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 502 #ifndef OPENSSL_NO_ECDSA
 503                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 504 #endif
 505                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 506                 BIO_printf(bio_err," -config file   request template file.\n");
 507                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 508                 BIO_printf(bio_err," -new           new request.\n");
 509                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 510                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 511                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 512                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 513                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 514                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 515                 BIO_printf(bio_err,"                have been reported as requiring\n");
 516                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 517                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 518                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 519                 BIO_printf(bio_err," -nameopt arg   - various certificate name options\n");
 520                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 521                 goto end;
 522                 }
 523
 524         ERR_load_crypto_strings();
 525         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 526                 BIO_printf(bio_err, "Error getting passwords\n");
 527                 goto end;
 528         }
 529
 530 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 531         /* Lets load up our environment a little */
 532         p=getenv("OPENSSL_CONF");
 533         if (p == NULL)
 534                 p=getenv("SSLEAY_CONF");
 535         if (p == NULL)
 536                 p=to_free=make_config_name();
 537         default_config_file=p;
 538         config=NCONF_new(NULL);
 539         i=NCONF_load(config, p, &errline);
 540 #endif
 541
 542         if (template != NULL)
 543                 {
 544                 long errline = -1;
 545
 546                 if( verbose )
 547                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 548                 req_conf=NCONF_new(NULL);
 549                 i=NCONF_load(req_conf,template,&errline);
 550                 if (i == 0)
 551                         {
 552                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 553                         goto end;
 554                         }
 555                 }
 556         else
 557                 {
 558                 req_conf=config;
 559                 if( verbose )
 560                         BIO_printf(bio_err,"Using configuration from %s\n",
 561                         default_config_file);
 562                 if (req_conf == NULL)
 563                         {
 564                         BIO_printf(bio_err,"Unable to load config info\n");
 565                         }
 566                 }
 567
 568         if (req_conf != NULL)
 569                 {
 570                 if (!load_config(bio_err, req_conf))
 571                         goto end;
 572                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 573                 if (p == NULL)
 574                         ERR_clear_error();
 575                 if (p != NULL)
 576                         {
 577                         BIO *oid_bio;
 578
 579                         oid_bio=BIO_new_file(p,"r");
 580                         if (oid_bio == NULL)
 581                                 {
 582                                 /*
 583                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 584                                 ERR_print_errors(bio_err);
 585                                 */
 586                                 }
 587                         else
 588                                 {
 589                                 OBJ_create_objects(oid_bio);
 590                                 BIO_free(oid_bio);
 591                                 }
 592                         }
 593                 }
 594         if(!add_oid_section(bio_err, req_conf)) goto end;
 595
 596         if (md_alg == NULL)
 597                 {
 598                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 599                 if (p == NULL)
 600                         ERR_clear_error();
 601                 if (p != NULL)
 602                         {
 603                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 604                                 digest=md_alg;
 605                         }
 606                 }
 607
 608         if (!extensions)
 609                 {
 610                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 611                 if (!extensions)
 612                         ERR_clear_error();
 613                 }
 614         if (extensions) {
 615                 /* Check syntax of file */
 616                 X509V3_CTX ctx;
 617                 X509V3_set_ctx_test(&ctx);
 618                 X509V3_set_nconf(&ctx, req_conf);
 619                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 620                         BIO_printf(bio_err,
 621                          "Error Loading extension section %s\n", extensions);
 622                         goto end;
 623                 }
 624         }
 625
 626         if(!passin)
 627                 {
 628                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 629                 if (!passin)
 630                         ERR_clear_error();
 631                 }
 632
 633         if(!passout)
 634                 {
 635                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 636                 if (!passout)
 637                         ERR_clear_error();
 638                 }
 639
 640         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 641         if (!p)
 642                 ERR_clear_error();
 643
 644         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 645                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 646                 goto end;
 647         }
 648
 649         if (chtype != MBSTRING_UTF8)
 650                 {
 651                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 652                 if (!p)
 653                         ERR_clear_error();
 654                 else if (!strcmp(p, "yes"))
 655                         chtype = MBSTRING_UTF8;
 656                 }
 657
 658
 659         if(!req_exts)
 660                 {
 661                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 662                 if (!req_exts)
 663                         ERR_clear_error();
 664                 }
 665         if(req_exts) {
 666                 /* Check syntax of file */
 667                 X509V3_CTX ctx;
 668                 X509V3_set_ctx_test(&ctx);
 669                 X509V3_set_nconf(&ctx, req_conf);
 670                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 671                         BIO_printf(bio_err,
 672                          "Error Loading request extension section %s\n",
 673                                                                 req_exts);
 674                         goto end;
 675                 }
 676         }
 677
 678         in=BIO_new(BIO_s_file());
 679         out=BIO_new(BIO_s_file());
 680         if ((in == NULL) || (out == NULL))
 681                 goto end;
 682
 683         e = setup_engine(bio_err, engine, 0);
 684
 685         if (keyfile != NULL)
 686                 {
 687                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 688                         "Private Key");
 689                 if (!pkey)
 690                         {
 691                         /* load_key() has already printed an appropriate
 692                            message */
 693                         goto end;
 694                         }
 695                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 696                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 697                         {
 698                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 699                         if (randfile == NULL)
 700                                 ERR_clear_error();
 701                         app_RAND_load_file(randfile, bio_err, 0);
 702                         }
 703                 }
 704
 705         if (newreq && (pkey == NULL))
 706                 {
 707                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 708                 if (randfile == NULL)
 709                         ERR_clear_error();
 710                 app_RAND_load_file(randfile, bio_err, 0);
 711                 if (inrand)
 712                         app_RAND_load_files(inrand);
 713
 714                 if (newkey <= 0)
 715                         {
 716                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 717                                 newkey=DEFAULT_KEY_LENGTH;
 718                         }
 719
 720                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 721                         {
 722                         BIO_printf(bio_err,"private key length is too short,\n");
 723                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 724                         goto end;
 725                         }
 726                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 727                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 728                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 729
 730                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 731
 732 #ifndef OPENSSL_NO_RSA
 733                 if (pkey_type == TYPE_RSA)
 734                         {
 735                         if (!EVP_PKEY_assign_RSA(pkey,
 736                                 RSA_generate_key(newkey,0x10001,
 737                                         req_cb,bio_err)))
 738                                 goto end;
 739                         }
 740                 else
 741 #endif
 742 #ifndef OPENSSL_NO_DSA
 743                         if (pkey_type == TYPE_DSA)
 744                         {
 745                         if (!DSA_generate_key(dsa_params)) goto end;
 746                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 747                         dsa_params=NULL;
 748                         }
 749 #endif
 750 #ifndef OPENSSL_NO_ECDSA
 751                         if (pkey_type == TYPE_EC)
 752                         {
 753                         if (!EC_KEY_generate_key(ec_params)) goto end;
 754                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 755                                 goto end;
 756                         ec_params = NULL;
 757                         }
 758 #endif
 759
 760                 app_RAND_write_file(randfile, bio_err);
 761
 762                 if (pkey == NULL) goto end;
 763
 764                 if (keyout == NULL)
 765                         {
 766                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 767                         if (keyout == NULL)
 768                                 ERR_clear_error();
 769                         }
 770
 771                 if (keyout == NULL)
 772                         {
 773                         BIO_printf(bio_err,"writing new private key to stdout\n");
 774                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 775 #ifdef OPENSSL_SYS_VMS
 776                         {
 777                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 778                         out = BIO_push(tmpbio, out);
 779                         }
 780 #endif
 781                         }
 782                 else
 783                         {
 784                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 785                         if (BIO_write_filename(out,keyout) <= 0)
 786                                 {
 787                                 perror(keyout);
 788                                 goto end;
 789                                 }
 790                         }
 791
 792                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 793                 if (p == NULL)
 794                         {
 795                         ERR_clear_error();
 796                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 797                         if (p == NULL)
 798                                 ERR_clear_error();
 799                         }
 800                 if ((p != NULL) && (strcmp(p,"no") == 0))
 801                         cipher=NULL;
 802                 if (nodes) cipher=NULL;
 803
 804                 i=0;
 805 loop:
 806                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 807                         NULL,0,NULL,passout))
 808                         {
 809                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 810                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 811                                 {
 812                                 ERR_clear_error();
 813                                 i++;
 814                                 goto loop;
 815                                 }
 816                         goto end;
 817                         }
 818                 BIO_printf(bio_err,"-----\n");
 819                 }
 820
 821         if (!newreq)
 822                 {
 823                 /* Since we are using a pre-existing certificate
 824                  * request, the kludge 'format' info should not be
 825                  * changed. */
 826                 kludge= -1;
 827                 if (infile == NULL)
 828                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 829                 else
 830                         {
 831                         if (BIO_read_filename(in,infile) <= 0)
 832                                 {
 833                                 perror(infile);
 834                                 goto end;
 835                                 }
 836                         }
 837
 838                 if      (informat == FORMAT_ASN1)
 839                         req=d2i_X509_REQ_bio(in,NULL);
 840                 else if (informat == FORMAT_PEM)
 841                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 842                 else
 843                         {
 844                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 845                         goto end;
 846                         }
 847                 if (req == NULL)
 848                         {
 849                         BIO_printf(bio_err,"unable to load X509 request\n");
 850                         goto end;
 851                         }
 852                 }
 853
 854         if (newreq || x509)
 855                 {
 856                 if (pkey == NULL)
 857                         {
 858                         BIO_printf(bio_err,"you need to specify a private key\n");
 859                         goto end;
 860                         }
 861 #ifndef OPENSSL_NO_DSA
 862                 if (pkey->type == EVP_PKEY_DSA)
 863                         digest=EVP_dss1();
 864 #endif
 865 #ifndef OPENSSL_NO_ECDSA
 866                 if (pkey->type == EVP_PKEY_EC)
 867                         digest=EVP_ecdsa();
 868 #endif
 869                 if (req == NULL)
 870                         {
 871                         req=X509_REQ_new();
 872                         if (req == NULL)
 873                                 {
 874                                 goto end;
 875                                 }
 876
 877                         i=make_REQ(req,pkey,subj,!x509, chtype);
 878                         subj=NULL; /* done processing '-subj' option */
 879                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 880                                 {
 881                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 882                                 req->req_info->attributes = NULL;
 883                                 }
 884                         if (!i)
 885                                 {
 886                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 887                                 goto end;
 888                                 }
 889                         }
 890                 if (x509)
 891                         {
 892                         EVP_PKEY *tmppkey;
 893                         X509V3_CTX ext_ctx;
 894                         if ((x509ss=X509_new()) == NULL) goto end;
 895
 896                         /* Set version to V3 */
 897                         if(!X509_set_version(x509ss, 2)) goto end;
 898                         if (serial)
 899                                 {
 900                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 901                                 }
 902                         else
 903                                 {
 904                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
 905                                 }
 906
 907                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 908                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 909                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 910                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 911                         tmppkey = X509_REQ_get_pubkey(req);
 912                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 913                         EVP_PKEY_free(tmppkey);
 914
 915                         /* Set up V3 context struct */
 916
 917                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 918                         X509V3_set_nconf(&ext_ctx, req_conf);
 919
 920                         /* Add extensions */
 921                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 922                                         &ext_ctx, extensions, x509ss))
 923                                 {
 924                                 BIO_printf(bio_err,
 925                                         "Error Loading extension section %s\n",
 926                                         extensions);
 927                                 goto end;
 928                                 }
 929
 930                         if (!(i=X509_sign(x509ss,pkey,digest)))
 931                                 goto end;
 932                         }
 933                 else
 934                         {
 935                         X509V3_CTX ext_ctx;
 936
 937                         /* Set up V3 context struct */
 938
 939                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 940                         X509V3_set_nconf(&ext_ctx, req_conf);
 941
 942                         /* Add extensions */
 943                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 944                                         &ext_ctx, req_exts, req))
 945                                 {
 946                                 BIO_printf(bio_err,
 947                                         "Error Loading extension section %s\n",
 948                                         req_exts);
 949                                 goto end;
 950                                 }
 951                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 952                                 goto end;
 953                         }
 954                 }
 955
 956         if (subj && x509)
 957                 {
 958                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 959                 goto end;
 960                 }
 961
 962         if (subj && !x509)
 963                 {
 964                 if (verbose)
 965                         {
 966                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 967                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 968                         }
 969
 970                 if (build_subject(req, subj, chtype) == 0)
 971                         {
 972                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 973                         ex=1;
 974                         goto end;
 975                         }
 976
 977                 req->req_info->enc.modified = 1;
 978
 979                 if (verbose)
 980                         {
 981                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 982                         }
 983                 }
 984
 985         if (verify && !x509)
 986                 {
 987                 int tmp=0;
 988
 989                 if (pkey == NULL)
 990                         {
 991                         pkey=X509_REQ_get_pubkey(req);
 992                         tmp=1;
 993                         if (pkey == NULL) goto end;
 994                         }
 995
 996                 i=X509_REQ_verify(req,pkey);
 997                 if (tmp) {
 998                         EVP_PKEY_free(pkey);
 999                         pkey=NULL;
1000                 }
1001
1002                 if (i < 0)
1003                         {
1004                         goto end;
1005                         }
1006                 else if (i == 0)
1007                         {
1008                         BIO_printf(bio_err,"verify failure\n");
1009                         ERR_print_errors(bio_err);
1010                         }
1011                 else /* if (i > 0) */
1012                         BIO_printf(bio_err,"verify OK\n");
1013                 }
1014
1015         if (noout && !text && !modulus && !subject && !pubkey)
1016                 {
1017                 ex=0;
1018                 goto end;
1019                 }
1020
1021         if (outfile == NULL)
1022                 {
1023                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1024 #ifdef OPENSSL_SYS_VMS
1025                 {
1026                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1027                 out = BIO_push(tmpbio, out);
1028                 }
1029 #endif
1030                 }
1031         else
1032                 {
1033                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1034                         i=(int)BIO_append_filename(out,outfile);
1035                 else
1036                         i=(int)BIO_write_filename(out,outfile);
1037                 if (!i)
1038                         {
1039                         perror(outfile);
1040                         goto end;
1041                         }
1042                 }
1043
1044         if (pubkey)
1045                 {
1046                 EVP_PKEY *tpubkey;
1047                 tpubkey=X509_REQ_get_pubkey(req);
1048                 if (tpubkey == NULL)
1049                         {
1050                         BIO_printf(bio_err,"Error getting public key\n");
1051                         ERR_print_errors(bio_err);
1052                         goto end;
1053                         }
1054                 PEM_write_bio_PUBKEY(out, tpubkey);
1055                 EVP_PKEY_free(tpubkey);
1056                 }
1057
1058         if (text)
1059                 {
1060                 if (x509)
1061                         X509_print_ex(out, x509ss, nmflag, reqflag);
1062                 else
1063                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1064                 }
1065
1066         if(subject)
1067                 {
1068                 if(x509)
1069                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1070                 else
1071                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1072                 }
1073
1074         if (modulus)
1075                 {
1076                 EVP_PKEY *tpubkey;
1077
1078                 if (x509)
1079                         tpubkey=X509_get_pubkey(x509ss);
1080                 else
1081                         tpubkey=X509_REQ_get_pubkey(req);
1082                 if (tpubkey == NULL)
1083                         {
1084                         fprintf(stdout,"Modulus=unavailable\n");
1085                         goto end;
1086                         }
1087                 fprintf(stdout,"Modulus=");
1088 #ifndef OPENSSL_NO_RSA
1089                 if (tpubkey->type == EVP_PKEY_RSA)
1090                         BN_print(out,tpubkey->pkey.rsa->n);
1091                 else
1092 #endif
1093                         fprintf(stdout,"Wrong Algorithm type");
1094                 EVP_PKEY_free(tpubkey);
1095                 fprintf(stdout,"\n");
1096                 }
1097
1098         if (!noout && !x509)
1099                 {
1100                 if      (outformat == FORMAT_ASN1)
1101                         i=i2d_X509_REQ_bio(out,req);
1102                 else if (outformat == FORMAT_PEM) {
1103                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1104                         else i=PEM_write_bio_X509_REQ(out,req);
1105                 } else {
1106                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1107                         goto end;
1108                         }
1109                 if (!i)
1110                         {
1111                         BIO_printf(bio_err,"unable to write X509 request\n");
1112                         goto end;
1113                         }
1114                 }
1115         if (!noout && x509 && (x509ss != NULL))
1116                 {
1117                 if      (outformat == FORMAT_ASN1)
1118                         i=i2d_X509_bio(out,x509ss);
1119                 else if (outformat == FORMAT_PEM)
1120                         i=PEM_write_bio_X509(out,x509ss);
1121                 else    {
1122                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1123                         goto end;
1124                         }
1125                 if (!i)
1126                         {
1127                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1128                         goto end;
1129                         }
1130                 }
1131         ex=0;
1132 end:
1133 #ifndef MONOLITH
1134         if(to_free)
1135                 OPENSSL_free(to_free);
1136 #endif
1137         if (ex)
1138                 {
1139                 ERR_print_errors(bio_err);
1140                 }
1141         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1142         BIO_free(in);
1143         BIO_free_all(out);
1144         EVP_PKEY_free(pkey);
1145         X509_REQ_free(req);
1146         X509_free(x509ss);
1147         ASN1_INTEGER_free(serial);
1148         if(passargin && passin) OPENSSL_free(passin);
1149         if(passargout && passout) OPENSSL_free(passout);
1150         OBJ_cleanup();
1151 #ifndef OPENSSL_NO_DSA
1152         if (dsa_params != NULL) DSA_free(dsa_params);
1153 #endif
1154 #ifndef OPENSSL_NO_ECDSA
1155         if (ec_params != NULL) EC_KEY_free(ec_params);
1156 #endif
1157         apps_shutdown();
1158         OPENSSL_EXIT(ex);
1159         }
1160
1161 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1162                         unsigned long chtype)
1163         {
1164         int ret=0,i;
1165         char no_prompt = 0;
1166         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1167         char *tmp, *dn_sect,*attr_sect;
1168
1169         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1170         if (tmp == NULL)
1171                 ERR_clear_error();
1172         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1173
1174         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1175         if (dn_sect == NULL)
1176                 {
1177                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1178                         DISTINGUISHED_NAME);
1179                 goto err;
1180                 }
1181         dn_sk=NCONF_get_section(req_conf,dn_sect);
1182         if (dn_sk == NULL)
1183                 {
1184                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1185                 goto err;
1186                 }
1187
1188         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1189         if (attr_sect == NULL)
1190                 {
1191                 ERR_clear_error();
1192                 attr_sk=NULL;
1193                 }
1194         else
1195                 {
1196                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1197                 if (attr_sk == NULL)
1198                         {
1199                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1200                         goto err;
1201                         }
1202                 }
1203
1204         /* setup version number */
1205         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1206
1207         if (no_prompt)
1208                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1209         else
1210                 {
1211                 if (subj)
1212                         i = build_subject(req, subj, chtype);
1213                 else
1214                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1215                 }
1216         if(!i) goto err;
1217
1218         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1219
1220         ret=1;
1221 err:
1222         return(ret);
1223         }
1224
1225 /*
1226  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1227  * where characters may be escaped by \
1228  */
1229 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1230         {
1231         X509_NAME *n;
1232
1233         if (!(n = do_subject(subject, chtype)))
1234                 return 0;
1235
1236         if (!X509_REQ_set_subject_name(req, n))
1237                 {
1238                 X509_NAME_free(n);
1239                 return 0;
1240                 }
1241         X509_NAME_free(n);
1242         return 1;
1243 }
1244
1245
1246 static int prompt_info(X509_REQ *req,
1247                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1248                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1249                 unsigned long chtype)
1250         {
1251         int i;
1252         char *p,*q;
1253         char buf[100];
1254         int nid;
1255         long n_min,n_max;
1256         char *type,*def,*value;
1257         CONF_VALUE *v;
1258         X509_NAME *subj;
1259         subj = X509_REQ_get_subject_name(req);
1260
1261         if(!batch)
1262                 {
1263                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1264                 BIO_printf(bio_err,"into your certificate request.\n");
1265                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1266                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1267                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1268                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1269                 BIO_printf(bio_err,"-----\n");
1270                 }
1271
1272
1273         if (sk_CONF_VALUE_num(dn_sk))
1274                 {
1275                 i= -1;
1276 start:          for (;;)
1277                         {
1278                         i++;
1279                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1280
1281                         v=sk_CONF_VALUE_value(dn_sk,i);
1282                         p=q=NULL;
1283                         type=v->name;
1284                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1285                                 !check_end(type,"_default") ||
1286                                          !check_end(type,"_value")) continue;
1287                         /* Skip past any leading X. X: X, etc to allow for
1288                          * multiple instances
1289                          */
1290                         for(p = v->name; *p ; p++)
1291                                 if ((*p == ':') || (*p == ',') ||
1292                                                          (*p == '.')) {
1293                                         p++;
1294                                         if(*p) type = p;
1295                                         break;
1296                                 }
1297                         /* If OBJ not recognised ignore it */
1298                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1299
1300                         if(strlen(v->name) > sizeof buf-9)
1301                            {
1302                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1303                            return 0;
1304                            }
1305
1306                         sprintf(buf,"%s_default",v->name);
1307                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1308                                 {
1309                                 ERR_clear_error();
1310                                 def="";
1311                                 }
1312                         sprintf(buf,"%s_value",v->name);
1313                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1314                                 {
1315                                 ERR_clear_error();
1316                                 value=NULL;
1317                                 }
1318
1319                         sprintf(buf,"%s_min",v->name);
1320                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1321                                 {
1322                                 ERR_clear_error();
1323                                 n_min = -1;
1324                                 }
1325
1326                         sprintf(buf,"%s_max",v->name);
1327                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1328                                 {
1329                                 ERR_clear_error();
1330                                 n_max = -1;
1331                                 }
1332
1333                         if (!add_DN_object(subj,v->value,def,value,nid,
1334                                 n_min,n_max, chtype))
1335                                 return 0;
1336                         }
1337                 if (X509_NAME_entry_count(subj) == 0)
1338                         {
1339                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1340                         return 0;
1341                         }
1342
1343                 if (attribs)
1344                         {
1345                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1346                                 {
1347                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1348                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1349                                 }
1350
1351                         i= -1;
1352 start2:                 for (;;)
1353                                 {
1354                                 i++;
1355                                 if ((attr_sk == NULL) ||
1356                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1357                                         break;
1358
1359                                 v=sk_CONF_VALUE_value(attr_sk,i);
1360                                 type=v->name;
1361                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1362                                         goto start2;
1363
1364                                 if(strlen(v->name) > sizeof buf-9)
1365                                    {
1366                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1367                                    return 0;
1368                                    }
1369
1370                                 sprintf(buf,"%s_default",type);
1371                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1372                                         == NULL)
1373                                         {
1374                                         ERR_clear_error();
1375                                         def="";
1376                                         }
1377
1378
1379                                 sprintf(buf,"%s_value",type);
1380                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1381                                         == NULL)
1382                                         {
1383                                         ERR_clear_error();
1384                                         value=NULL;
1385                                         }
1386
1387                                 sprintf(buf,"%s_min",type);
1388                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1389                                         n_min = -1;
1390
1391                                 sprintf(buf,"%s_max",type);
1392                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1393                                         n_max = -1;
1394
1395                                 if (!add_attribute_object(req,
1396                                         v->value,def,value,nid,n_min,n_max, chtype))
1397                                         return 0;
1398                                 }
1399                         }
1400                 }
1401         else
1402                 {
1403                 BIO_printf(bio_err,"No template, please set one up.\n");
1404                 return 0;
1405                 }
1406
1407         return 1;
1408
1409         }
1410
1411 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1412                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1413         {
1414         int i;
1415         char *p,*q;
1416         char *type;
1417         CONF_VALUE *v;
1418         X509_NAME *subj;
1419
1420         subj = X509_REQ_get_subject_name(req);
1421
1422         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1423                 {
1424                 v=sk_CONF_VALUE_value(dn_sk,i);
1425                 p=q=NULL;
1426                 type=v->name;
1427                 /* Skip past any leading X. X: X, etc to allow for
1428                  * multiple instances
1429                  */
1430                 for(p = v->name; *p ; p++)
1431 #ifndef CHARSET_EBCDIC
1432                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1433 #else
1434                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1435 #endif
1436                                 p++;
1437                                 if(*p) type = p;
1438                                 break;
1439                         }
1440                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1441                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1442
1443                 }
1444
1445                 if (!X509_NAME_entry_count(subj))
1446                         {
1447                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1448                         return 0;
1449                         }
1450                 if (attribs)
1451                         {
1452                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1453                                 {
1454                                 v=sk_CONF_VALUE_value(attr_sk,i);
1455                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1456                                         (unsigned char *)v->value, -1)) return 0;
1457                                 }
1458                         }
1459         return 1;
1460         }
1461
1462
1463 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1464              int nid, int n_min, int n_max, unsigned long chtype)
1465         {
1466         int i,ret=0;
1467         MS_STATIC char buf[1024];
1468 start:
1469         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1470         (void)BIO_flush(bio_err);
1471         if(value != NULL)
1472                 {
1473                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1474                 strcpy(buf,value);
1475                 strcat(buf,"\n");
1476                 BIO_printf(bio_err,"%s\n",value);
1477                 }
1478         else
1479                 {
1480                 buf[0]='\0';
1481                 if (!batch)
1482                         {
1483                         fgets(buf,sizeof buf,stdin);
1484                         }
1485                 else
1486                         {
1487                         buf[0] = '\n';
1488                         buf[1] = '\0';
1489                         }
1490                 }
1491
1492         if (buf[0] == '\0') return(0);
1493         else if (buf[0] == '\n')
1494                 {
1495                 if ((def == NULL) || (def[0] == '\0'))
1496                         return(1);
1497                 strcpy(buf,def);
1498                 strcat(buf,"\n");
1499                 }
1500         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1501
1502         i=strlen(buf);
1503         if (buf[i-1] != '\n')
1504                 {
1505                 BIO_printf(bio_err,"weird input :-(\n");
1506                 return(0);
1507                 }
1508         buf[--i]='\0';
1509 #ifdef CHARSET_EBCDIC
1510         ebcdic2ascii(buf, buf, i);
1511 #endif
1512         if(!req_check_len(i, n_min, n_max)) goto start;
1513         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1514                                 (unsigned char *) buf, -1,-1,0)) goto err;
1515         ret=1;
1516 err:
1517         return(ret);
1518         }
1519
1520 static int add_attribute_object(X509_REQ *req, char *text,
1521                                 char *def, char *value, int nid, int n_min,
1522                                 int n_max, unsigned long chtype)
1523         {
1524         int i;
1525         static char buf[1024];
1526
1527 start:
1528         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1529         (void)BIO_flush(bio_err);
1530         if (value != NULL)
1531                 {
1532                 OPENSSL_assert(strlen(value) < sizeof buf-2);
1533                 strcpy(buf,value);
1534                 strcat(buf,"\n");
1535                 BIO_printf(bio_err,"%s\n",value);
1536                 }
1537         else
1538                 {
1539                 buf[0]='\0';
1540                 if (!batch)
1541                         {
1542                         fgets(buf,sizeof buf,stdin);
1543                         }
1544                 else
1545                         {
1546                         buf[0] = '\n';
1547                         buf[1] = '\0';
1548                         }
1549                 }
1550
1551         if (buf[0] == '\0') return(0);
1552         else if (buf[0] == '\n')
1553                 {
1554                 if ((def == NULL) || (def[0] == '\0'))
1555                         return(1);
1556                 strcpy(buf,def);
1557                 strcat(buf,"\n");
1558                 }
1559         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1560
1561         i=strlen(buf);
1562         if (buf[i-1] != '\n')
1563                 {
1564                 BIO_printf(bio_err,"weird input :-(\n");
1565                 return(0);
1566                 }
1567         buf[--i]='\0';
1568 #ifdef CHARSET_EBCDIC
1569         ebcdic2ascii(buf, buf, i);
1570 #endif
1571         if(!req_check_len(i, n_min, n_max)) goto start;
1572
1573         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1574                                         (unsigned char *)buf, -1)) {
1575                 BIO_printf(bio_err, "Error adding attribute\n");
1576                 ERR_print_errors(bio_err);
1577                 goto err;
1578         }
1579
1580         return(1);
1581 err:
1582         return(0);
1583         }
1584
1585 #ifndef OPENSSL_NO_RSA
1586 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1587         {
1588         char c='*';
1589
1590         if (p == 0) c='.';
1591         if (p == 1) c='+';
1592         if (p == 2) c='*';
1593         if (p == 3) c='\n';
1594         BIO_write((BIO *)arg,&c,1);
1595         (void)BIO_flush((BIO *)arg);
1596 #ifdef LINT
1597         p=n;
1598 #endif
1599         }
1600 #endif
1601
1602 static int req_check_len(int len, int n_min, int n_max)
1603         {
1604         if ((n_min > 0) && (len < n_min))
1605                 {
1606                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1607                 return(0);
1608                 }
1609         if ((n_max >= 0) && (len > n_max))
1610                 {
1611                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1612                 return(0);
1613                 }
1614         return(1);
1615         }
1616
1617 /* Check if the end of a string matches 'end' */
1618 static int check_end(char *str, char *end)
1619 {
1620         int elen, slen;
1621         char *tmp;
1622         elen = strlen(end);
1623         slen = strlen(str);
1624         if(elen > slen) return 1;
1625         tmp = str + slen - elen;
1626         return strcmp(tmp, end);
1627 }