userapps/opensource/openssl/apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #include <stdio.h>
  60 #include <stdlib.h>
  61 #include <time.h>
  62 #include <string.h>
  63 #ifdef OPENSSL_NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include <openssl/bio.h>
  68 #include <openssl/evp.h>
  69 #include <openssl/conf.h>
  70 #include <openssl/err.h>
  71 #include <openssl/asn1.h>
  72 #include <openssl/x509.h>
  73 #include <openssl/x509v3.h>
  74 #include <openssl/objects.h>
  75 #include <openssl/pem.h>
  76 #include "../crypto/cryptlib.h"
  77
  78 #define SECTION         "req"
  79
  80 #define BITS            "default_bits"
  81 #define KEYFILE         "default_keyfile"
  82 #define PROMPT          "prompt"
  83 #define DISTINGUISHED_NAME      "distinguished_name"
  84 #define ATTRIBUTES      "attributes"
  85 #define V3_EXTENSIONS   "x509_extensions"
  86 #define REQ_EXTENSIONS  "req_extensions"
  87 #define STRING_MASK     "string_mask"
  88 #define UTF8_IN         "utf8"
  89
  90 #define DEFAULT_KEY_LENGTH      512
  91 #define MIN_KEY_LENGTH          384
  92
  93 #undef PROG
  94 #define PROG    req_main
  95
  96 /* -inform arg  - input format - default PEM (DER or PEM)
  97  * -outform arg - output format - default PEM
  98  * -in arg      - input file - default stdin
  99  * -out arg     - output file - default stdout
 100  * -verify      - check request signature
 101  * -noout       - don't print stuff out.
 102  * -text        - print out human readable text.
 103  * -nodes       - no des encryption
 104  * -config file - Load configuration file.
 105  * -key file    - make a request using key in file (or use it for verification).
 106  * -keyform arg - key file format.
 107  * -rand file(s) - load the file(s) into the PRNG.
 108  * -newkey      - make a key and a request.
 109  * -modulus     - print RSA modulus.
 110  * -pubkey      - output Public Key.
 111  * -x509        - output a self signed X509 structure instead.
 112  * -asn1-kludge - output new certificate request in a format that some CA's
 113  *                require.  This format is wrong
 114  */
 115
 116 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 117                 unsigned long chtype);
 118 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 119 static int prompt_info(X509_REQ *req,
 120                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 121                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 122                 unsigned long chtype);
 123 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 124                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 125                                 unsigned long chtype);
 126 static int add_attribute_object(X509_REQ *req, char *text,
 127                                 char *def, char *value, int nid, int n_min,
 128                                 int n_max, unsigned long chtype);
 129 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 130         int nid,int n_min,int n_max, unsigned long chtype);
 131 #ifndef OPENSSL_NO_RSA
 132 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 133 #endif
 134 static int req_check_len(int len,int n_min,int n_max);
 135 static int check_end(char *str, char *end);
 136 #ifndef MONOLITH
 137 static char *default_config_file=NULL;
 138 #endif
 139 static CONF *req_conf=NULL;
 140 static int batch=0;
 141
 142 #define TYPE_RSA        1
 143 #define TYPE_DSA        2
 144 #define TYPE_DH         3
 145
 146 int MAIN(int, char **);
 147
 148 int MAIN(int argc, char **argv)
 149         {
 150         ENGINE *e = NULL;
 151 #ifndef OPENSSL_NO_DSA
 152         DSA *dsa_params=NULL;
 153 #endif
 154         unsigned long nmflag = 0, reqflag = 0;
 155         int ex=1,x509=0,days=30;
 156         X509 *x509ss=NULL;
 157         X509_REQ *req=NULL;
 158         EVP_PKEY *pkey=NULL;
 159         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 160         long newkey = -1;
 161         BIO *in=NULL,*out=NULL;
 162         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 163         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 164         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 165 #ifndef OPENSSL_NO_ENGINE
 166         char *engine=NULL;
 167 #endif
 168         char *extensions = NULL;
 169         char *req_exts = NULL;
 170         const EVP_CIPHER *cipher=NULL;
 171         ASN1_INTEGER *serial = NULL;
 172         int modulus=0;
 173         char *inrand=NULL;
 174         char *passargin = NULL, *passargout = NULL;
 175         char *passin = NULL, *passout = NULL;
 176         char *p;
 177         char *subj = NULL;
 178         const EVP_MD *md_alg=NULL,*digest;
 179         unsigned long chtype = MBSTRING_ASC;
 180 #ifndef MONOLITH
 181         char *to_free;
 182         long errline;
 183 #endif
 184
 185         req_conf = NULL;
 186 #ifndef OPENSSL_NO_DES
 187         cipher=EVP_des_ede3_cbc();
 188 #endif
 189         apps_startup();
 190
 191         if (bio_err == NULL)
 192                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 193                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 194
 195         infile=NULL;
 196         outfile=NULL;
 197         informat=FORMAT_PEM;
 198         outformat=FORMAT_PEM;
 199
 200 #ifdef  OPENSSL_FIPS
 201         if (FIPS_mode())
 202                 digest = EVP_sha1();
 203         else
 204 #endif
 205                 digest = EVP_md5();
 206
 207         prog=argv[0];
 208         argc--;
 209         argv++;
 210         while (argc >= 1)
 211                 {
 212                 if      (strcmp(*argv,"-inform") == 0)
 213                         {
 214                         if (--argc < 1) goto bad;
 215                         informat=str2fmt(*(++argv));
 216                         }
 217                 else if (strcmp(*argv,"-outform") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         outformat=str2fmt(*(++argv));
 221                         }
 222 #ifndef OPENSSL_NO_ENGINE
 223                 else if (strcmp(*argv,"-engine") == 0)
 224                         {
 225                         if (--argc < 1) goto bad;
 226                         engine= *(++argv);
 227                         }
 228 #endif
 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                                 newkey=BN_num_bits(dsa_params->p);
 333                                 in=NULL;
 334                                 }
 335                         else
 336 #endif
 337 #ifndef OPENSSL_NO_DH
 338                                 if (strncmp("dh:",p,4) == 0)
 339                                 {
 340                                 pkey_type=TYPE_DH;
 341                                 p+=3;
 342                                 }
 343                         else
 344 #endif
 345                                 pkey_type=TYPE_RSA;
 346
 347                         newreq=1;
 348                         }
 349                 else if (strcmp(*argv,"-batch") == 0)
 350                         batch=1;
 351                 else if (strcmp(*argv,"-newhdr") == 0)
 352                         newhdr=1;
 353                 else if (strcmp(*argv,"-modulus") == 0)
 354                         modulus=1;
 355                 else if (strcmp(*argv,"-verify") == 0)
 356                         verify=1;
 357                 else if (strcmp(*argv,"-nodes") == 0)
 358                         nodes=1;
 359                 else if (strcmp(*argv,"-noout") == 0)
 360                         noout=1;
 361                 else if (strcmp(*argv,"-verbose") == 0)
 362                         verbose=1;
 363                 else if (strcmp(*argv,"-utf8") == 0)
 364                         chtype = MBSTRING_UTF8;
 365                 else if (strcmp(*argv,"-nameopt") == 0)
 366                         {
 367                         if (--argc < 1) goto bad;
 368                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 369                         }
 370                 else if (strcmp(*argv,"-reqopt") == 0)
 371                         {
 372                         if (--argc < 1) goto bad;
 373                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 374                         }
 375                 else if (strcmp(*argv,"-subject") == 0)
 376                         subject=1;
 377                 else if (strcmp(*argv,"-text") == 0)
 378                         text=1;
 379                 else if (strcmp(*argv,"-x509") == 0)
 380                         x509=1;
 381                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 382                         kludge=1;
 383                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 384                         kludge=0;
 385                 else if (strcmp(*argv,"-subj") == 0)
 386                         {
 387                         if (--argc < 1) goto bad;
 388                         subj= *(++argv);
 389                         }
 390                 else if (strcmp(*argv,"-days") == 0)
 391                         {
 392                         if (--argc < 1) goto bad;
 393                         days= atoi(*(++argv));
 394                         if (days == 0) days=30;
 395                         }
 396                 else if (strcmp(*argv,"-set_serial") == 0)
 397                         {
 398                         if (--argc < 1) goto bad;
 399                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 400                         if (!serial) goto bad;
 401                         }
 402                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 403                         {
 404                         /* ok */
 405                         digest=md_alg;
 406                         }
 407                 else if (strcmp(*argv,"-extensions") == 0)
 408                         {
 409                         if (--argc < 1) goto bad;
 410                         extensions = *(++argv);
 411                         }
 412                 else if (strcmp(*argv,"-reqexts") == 0)
 413                         {
 414                         if (--argc < 1) goto bad;
 415                         req_exts = *(++argv);
 416                         }
 417                 else
 418                         {
 419                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 420                         badops=1;
 421                         break;
 422                         }
 423                 argc--;
 424                 argv++;
 425                 }
 426
 427         if (badops)
 428                 {
 429 bad:
 430                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 431                 BIO_printf(bio_err,"where options  are\n");
 432                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 433                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 434                 BIO_printf(bio_err," -in arg        input file\n");
 435                 BIO_printf(bio_err," -out arg       output file\n");
 436                 BIO_printf(bio_err," -text          text form of request\n");
 437                 BIO_printf(bio_err," -pubkey        output public key\n");
 438                 BIO_printf(bio_err," -noout         do not output REQ\n");
 439                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 440                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 441                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 442 #ifndef OPENSSL_NO_ENGINE
 443                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 444 #endif
 445                 BIO_printf(bio_err," -subject       output the request's subject\n");
 446                 BIO_printf(bio_err," -passin        private key password source\n");
 447                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 448                 BIO_printf(bio_err," -keyform arg   key file format\n");
 449                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 450                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 451                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 452                 BIO_printf(bio_err,"                the random number generator\n");
 453                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 454                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 455                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 456                 BIO_printf(bio_err," -config file   request template file.\n");
 457                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 458                 BIO_printf(bio_err," -new           new request.\n");
 459                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 460                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 461                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 462                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 463                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 464                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 465                 BIO_printf(bio_err,"                have been reported as requiring\n");
 466                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 467                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 468                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 469                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 470                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 471                 goto end;
 472                 }
 473
 474         ERR_load_crypto_strings();
 475         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 476                 BIO_printf(bio_err, "Error getting passwords\n");
 477                 goto end;
 478         }
 479
 480 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 481         /* Lets load up our environment a little */
 482         p=getenv("OPENSSL_CONF");
 483         if (p == NULL)
 484                 p=getenv("SSLEAY_CONF");
 485         if (p == NULL)
 486                 p=to_free=make_config_name();
 487         default_config_file=p;
 488         config=NCONF_new(NULL);
 489         i=NCONF_load(config, p, &errline);
 490 #endif
 491
 492         if (template != NULL)
 493                 {
 494                 long errline = -1;
 495
 496                 if( verbose )
 497                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 498                 req_conf=NCONF_new(NULL);
 499                 i=NCONF_load(req_conf,template,&errline);
 500                 if (i == 0)
 501                         {
 502                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 503                         goto end;
 504                         }
 505                 }
 506         else
 507                 {
 508                 req_conf=config;
 509
 510                 if (req_conf == NULL)
 511                         {
 512                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 513                         if (newreq)
 514                                 goto end;
 515                         }
 516                 else if( verbose )
 517                         BIO_printf(bio_err,"Using configuration from %s\n",
 518                         default_config_file);
 519                 }
 520
 521         if (req_conf != NULL)
 522                 {
 523                 if (!load_config(bio_err, req_conf))
 524                         goto end;
 525                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 526                 if (p == NULL)
 527                         ERR_clear_error();
 528                 if (p != NULL)
 529                         {
 530                         BIO *oid_bio;
 531
 532                         oid_bio=BIO_new_file(p,"r");
 533                         if (oid_bio == NULL)
 534                                 {
 535                                 /*
 536                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 537                                 ERR_print_errors(bio_err);
 538                                 */
 539                                 }
 540                         else
 541                                 {
 542                                 OBJ_create_objects(oid_bio);
 543                                 BIO_free(oid_bio);
 544                                 }
 545                         }
 546                 }
 547         if(!add_oid_section(bio_err, req_conf)) goto end;
 548
 549         if (md_alg == NULL)
 550                 {
 551                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 552                 if (p == NULL)
 553                         ERR_clear_error();
 554                 if (p != NULL)
 555                         {
 556                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 557                                 digest=md_alg;
 558                         }
 559                 }
 560
 561         if (!extensions)
 562                 {
 563                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 564                 if (!extensions)
 565                         ERR_clear_error();
 566                 }
 567         if (extensions) {
 568                 /* Check syntax of file */
 569                 X509V3_CTX ctx;
 570                 X509V3_set_ctx_test(&ctx);
 571                 X509V3_set_nconf(&ctx, req_conf);
 572                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 573                         BIO_printf(bio_err,
 574                          "Error Loading extension section %s\n", extensions);
 575                         goto end;
 576                 }
 577         }
 578
 579         if(!passin)
 580                 {
 581                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 582                 if (!passin)
 583                         ERR_clear_error();
 584                 }
 585
 586         if(!passout)
 587                 {
 588                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 589                 if (!passout)
 590                         ERR_clear_error();
 591                 }
 592
 593         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 594         if (!p)
 595                 ERR_clear_error();
 596
 597         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 598                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 599                 goto end;
 600         }
 601
 602         if (chtype != MBSTRING_UTF8)
 603                 {
 604                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 605                 if (!p)
 606                         ERR_clear_error();
 607                 else if (!strcmp(p, "yes"))
 608                         chtype = MBSTRING_UTF8;
 609                 }
 610
 611
 612         if(!req_exts)
 613                 {
 614                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 615                 if (!req_exts)
 616                         ERR_clear_error();
 617                 }
 618         if(req_exts) {
 619                 /* Check syntax of file */
 620                 X509V3_CTX ctx;
 621                 X509V3_set_ctx_test(&ctx);
 622                 X509V3_set_nconf(&ctx, req_conf);
 623                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 624                         BIO_printf(bio_err,
 625                          "Error Loading request extension section %s\n",
 626                                                                 req_exts);
 627                         goto end;
 628                 }
 629         }
 630
 631         in=BIO_new(BIO_s_file());
 632         out=BIO_new(BIO_s_file());
 633         if ((in == NULL) || (out == NULL))
 634                 goto end;
 635
 636 #ifndef OPENSSL_NO_ENGINE
 637         e = setup_engine(bio_err, engine, 0);
 638 #endif
 639
 640         if (keyfile != NULL)
 641                 {
 642                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 643                         "Private Key");
 644                 if (!pkey)
 645                         {
 646                         /* load_key() has already printed an appropriate
 647                            message */
 648                         goto end;
 649                         }
 650                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 651                         {
 652                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 653                         if (randfile == NULL)
 654                                 ERR_clear_error();
 655                         app_RAND_load_file(randfile, bio_err, 0);
 656                         }
 657                 }
 658
 659         if (newreq && (pkey == NULL))
 660                 {
 661                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 662                 if (randfile == NULL)
 663                         ERR_clear_error();
 664                 app_RAND_load_file(randfile, bio_err, 0);
 665                 if (inrand)
 666                         app_RAND_load_files(inrand);
 667
 668                 if (newkey <= 0)
 669                         {
 670                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 671                                 newkey=DEFAULT_KEY_LENGTH;
 672                         }
 673
 674                 if (newkey < MIN_KEY_LENGTH)
 675                         {
 676                         BIO_printf(bio_err,"private key length is too short,\n");
 677                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 678                         goto end;
 679                         }
 680                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 681                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 682
 683                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 684
 685 #ifndef OPENSSL_NO_RSA
 686                 if (pkey_type == TYPE_RSA)
 687                         {
 688                         if (!EVP_PKEY_assign_RSA(pkey,
 689                                 RSA_generate_key(newkey,0x10001,
 690                                         req_cb,bio_err)))
 691                                 goto end;
 692                         }
 693                 else
 694 #endif
 695 #ifndef OPENSSL_NO_DSA
 696                         if (pkey_type == TYPE_DSA)
 697                         {
 698                         if (!DSA_generate_key(dsa_params)) goto end;
 699                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 700                         dsa_params=NULL;
 701                         }
 702 #endif
 703
 704                 app_RAND_write_file(randfile, bio_err);
 705
 706                 if (pkey == NULL) goto end;
 707
 708                 if (keyout == NULL)
 709                         {
 710                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 711                         if (keyout == NULL)
 712                                 ERR_clear_error();
 713                         }
 714
 715                 if (keyout == NULL)
 716                         {
 717                         BIO_printf(bio_err,"writing new private key to stdout\n");
 718                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 719 #ifdef OPENSSL_SYS_VMS
 720                         {
 721                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 722                         out = BIO_push(tmpbio, out);
 723                         }
 724 #endif
 725                         }
 726                 else
 727                         {
 728                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 729                         if (BIO_write_filename(out,keyout) <= 0)
 730                                 {
 731                                 perror(keyout);
 732                                 goto end;
 733                                 }
 734                         }
 735
 736                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 737                 if (p == NULL)
 738                         {
 739                         ERR_clear_error();
 740                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 741                         if (p == NULL)
 742                                 ERR_clear_error();
 743                         }
 744                 if ((p != NULL) && (strcmp(p,"no") == 0))
 745                         cipher=NULL;
 746                 if (nodes) cipher=NULL;
 747
 748                 i=0;
 749 loop:
 750                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 751                         NULL,0,NULL,passout))
 752                         {
 753                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 754                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 755                                 {
 756                                 ERR_clear_error();
 757                                 i++;
 758                                 goto loop;
 759                                 }
 760                         goto end;
 761                         }
 762                 BIO_printf(bio_err,"-----\n");
 763                 }
 764
 765         if (!newreq)
 766                 {
 767                 /* Since we are using a pre-existing certificate
 768                  * request, the kludge 'format' info should not be
 769                  * changed. */
 770                 kludge= -1;
 771                 if (infile == NULL)
 772                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 773                 else
 774                         {
 775                         if (BIO_read_filename(in,infile) <= 0)
 776                                 {
 777                                 perror(infile);
 778                                 goto end;
 779                                 }
 780                         }
 781
 782                 if      (informat == FORMAT_ASN1)
 783                         req=d2i_X509_REQ_bio(in,NULL);
 784                 else if (informat == FORMAT_PEM)
 785                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 786                 else
 787                         {
 788                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 789                         goto end;
 790                         }
 791                 if (req == NULL)
 792                         {
 793                         BIO_printf(bio_err,"unable to load X509 request\n");
 794                         goto end;
 795                         }
 796                 }
 797
 798         if (newreq || x509)
 799                 {
 800                 if (pkey == NULL)
 801                         {
 802                         BIO_printf(bio_err,"you need to specify a private key\n");
 803                         goto end;
 804                         }
 805 #ifndef OPENSSL_NO_DSA
 806                 if (pkey->type == EVP_PKEY_DSA)
 807                         digest=EVP_dss1();
 808 #endif
 809                 if (req == NULL)
 810                         {
 811                         req=X509_REQ_new();
 812                         if (req == NULL)
 813                                 {
 814                                 goto end;
 815                                 }
 816
 817                         i=make_REQ(req,pkey,subj,!x509, chtype);
 818                         subj=NULL; /* done processing '-subj' option */
 819                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 820                                 {
 821                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 822                                 req->req_info->attributes = NULL;
 823                                 }
 824                         if (!i)
 825                                 {
 826                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 827                                 goto end;
 828                                 }
 829                         }
 830                 if (x509)
 831                         {
 832                         EVP_PKEY *tmppkey;
 833                         X509V3_CTX ext_ctx;
 834                         if ((x509ss=X509_new()) == NULL) goto end;
 835
 836                         /* Set version to V3 */
 837                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 838                         if (serial)
 839                                 {
 840                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 841                                 }
 842                         else
 843                                 {
 844                                 if (!rand_serial(NULL,
 845                                         X509_get_serialNumber(x509ss)))
 846                                                 goto end;
 847                                 }
 848
 849                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 850                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 851                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 852                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 853                         tmppkey = X509_REQ_get_pubkey(req);
 854                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 855                         EVP_PKEY_free(tmppkey);
 856
 857                         /* Set up V3 context struct */
 858
 859                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 860                         X509V3_set_nconf(&ext_ctx, req_conf);
 861
 862                         /* Add extensions */
 863                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 864                                         &ext_ctx, extensions, x509ss))
 865                                 {
 866                                 BIO_printf(bio_err,
 867                                         "Error Loading extension section %s\n",
 868                                         extensions);
 869                                 goto end;
 870                                 }
 871
 872                         if (!(i=X509_sign(x509ss,pkey,digest)))
 873                                 goto end;
 874                         }
 875                 else
 876                         {
 877                         X509V3_CTX ext_ctx;
 878
 879                         /* Set up V3 context struct */
 880
 881                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 882                         X509V3_set_nconf(&ext_ctx, req_conf);
 883
 884                         /* Add extensions */
 885                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 886                                         &ext_ctx, req_exts, req))
 887                                 {
 888                                 BIO_printf(bio_err,
 889                                         "Error Loading extension section %s\n",
 890                                         req_exts);
 891                                 goto end;
 892                                 }
 893                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 894                                 goto end;
 895                         }
 896                 }
 897
 898         if (subj && x509)
 899                 {
 900                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 901                 goto end;
 902                 }
 903
 904         if (subj && !x509)
 905                 {
 906                 if (verbose)
 907                         {
 908                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 909                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 910                         }
 911
 912                 if (build_subject(req, subj, chtype) == 0)
 913                         {
 914                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 915                         ex=1;
 916                         goto end;
 917                         }
 918
 919                 req->req_info->enc.modified = 1;
 920
 921                 if (verbose)
 922                         {
 923                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 924                         }
 925                 }
 926
 927         if (verify && !x509)
 928                 {
 929                 int tmp=0;
 930
 931                 if (pkey == NULL)
 932                         {
 933                         pkey=X509_REQ_get_pubkey(req);
 934                         tmp=1;
 935                         if (pkey == NULL) goto end;
 936                         }
 937
 938                 i=X509_REQ_verify(req,pkey);
 939                 if (tmp) {
 940                         EVP_PKEY_free(pkey);
 941                         pkey=NULL;
 942                 }
 943
 944                 if (i < 0)
 945                         {
 946                         goto end;
 947                         }
 948                 else if (i == 0)
 949                         {
 950                         BIO_printf(bio_err,"verify failure\n");
 951                         ERR_print_errors(bio_err);
 952                         }
 953                 else /* if (i > 0) */
 954                         BIO_printf(bio_err,"verify OK\n");
 955                 }
 956
 957         if (noout && !text && !modulus && !subject && !pubkey)
 958                 {
 959                 ex=0;
 960                 goto end;
 961                 }
 962
 963         if (outfile == NULL)
 964                 {
 965                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 966 #ifdef OPENSSL_SYS_VMS
 967                 {
 968                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 969                 out = BIO_push(tmpbio, out);
 970                 }
 971 #endif
 972                 }
 973         else
 974                 {
 975                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 976                         i=(int)BIO_append_filename(out,outfile);
 977                 else
 978                         i=(int)BIO_write_filename(out,outfile);
 979                 if (!i)
 980                         {
 981                         perror(outfile);
 982                         goto end;
 983                         }
 984                 }
 985
 986         if (pubkey)
 987                 {
 988                 EVP_PKEY *tpubkey;
 989                 tpubkey=X509_REQ_get_pubkey(req);
 990                 if (tpubkey == NULL)
 991                         {
 992                         BIO_printf(bio_err,"Error getting public key\n");
 993                         ERR_print_errors(bio_err);
 994                         goto end;
 995                         }
 996                 PEM_write_bio_PUBKEY(out, tpubkey);
 997                 EVP_PKEY_free(tpubkey);
 998                 }
 999
1000         if (text)
1001                 {
1002                 if (x509)
1003                         X509_print_ex(out, x509ss, nmflag, reqflag);
1004                 else
1005                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1006                 }
1007
1008         if(subject)
1009                 {
1010                 if(x509)
1011                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1012                 else
1013                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1014                 }
1015
1016         if (modulus)
1017                 {
1018                 EVP_PKEY *tpubkey;
1019
1020                 if (x509)
1021                         tpubkey=X509_get_pubkey(x509ss);
1022                 else
1023                         tpubkey=X509_REQ_get_pubkey(req);
1024                 if (tpubkey == NULL)
1025                         {
1026                         fprintf(stdout,"Modulus=unavailable\n");
1027                         goto end;
1028                         }
1029                 fprintf(stdout,"Modulus=");
1030 #ifndef OPENSSL_NO_RSA
1031                 if (tpubkey->type == EVP_PKEY_RSA)
1032                         BN_print(out,tpubkey->pkey.rsa->n);
1033                 else
1034 #endif
1035                         fprintf(stdout,"Wrong Algorithm type");
1036                 EVP_PKEY_free(tpubkey);
1037                 fprintf(stdout,"\n");
1038                 }
1039
1040         if (!noout && !x509)
1041                 {
1042                 if      (outformat == FORMAT_ASN1)
1043                         i=i2d_X509_REQ_bio(out,req);
1044                 else if (outformat == FORMAT_PEM) {
1045                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1046                         else i=PEM_write_bio_X509_REQ(out,req);
1047                 } else {
1048                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1049                         goto end;
1050                         }
1051                 if (!i)
1052                         {
1053                         BIO_printf(bio_err,"unable to write X509 request\n");
1054                         goto end;
1055                         }
1056                 }
1057         if (!noout && x509 && (x509ss != NULL))
1058                 {
1059                 if      (outformat == FORMAT_ASN1)
1060                         i=i2d_X509_bio(out,x509ss);
1061                 else if (outformat == FORMAT_PEM)
1062                         i=PEM_write_bio_X509(out,x509ss);
1063                 else    {
1064                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1065                         goto end;
1066                         }
1067                 if (!i)
1068                         {
1069                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1070                         goto end;
1071                         }
1072                 }
1073         ex=0;
1074 end:
1075 #ifndef MONOLITH
1076         if(to_free)
1077                 OPENSSL_free(to_free);
1078 #endif
1079         if (ex)
1080                 {
1081                 ERR_print_errors(bio_err);
1082                 }
1083         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1084         BIO_free(in);
1085         BIO_free_all(out);
1086         EVP_PKEY_free(pkey);
1087         X509_REQ_free(req);
1088         X509_free(x509ss);
1089         ASN1_INTEGER_free(serial);
1090         if(passargin && passin) OPENSSL_free(passin);
1091         if(passargout && passout) OPENSSL_free(passout);
1092         OBJ_cleanup();
1093 #ifndef OPENSSL_NO_DSA
1094         if (dsa_params != NULL) DSA_free(dsa_params);
1095 #endif
1096         apps_shutdown();
1097         OPENSSL_EXIT(ex);
1098         }
1099
1100 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1101                         unsigned long chtype)
1102         {
1103         int ret=0,i;
1104         char no_prompt = 0;
1105         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1106         char *tmp, *dn_sect,*attr_sect;
1107
1108         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1109         if (tmp == NULL)
1110                 ERR_clear_error();
1111         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1112
1113         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1114         if (dn_sect == NULL)
1115                 {
1116                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1117                         DISTINGUISHED_NAME);
1118                 goto err;
1119                 }
1120         dn_sk=NCONF_get_section(req_conf,dn_sect);
1121         if (dn_sk == NULL)
1122                 {
1123                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1124                 goto err;
1125                 }
1126
1127         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1128         if (attr_sect == NULL)
1129                 {
1130                 ERR_clear_error();
1131                 attr_sk=NULL;
1132                 }
1133         else
1134                 {
1135                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1136                 if (attr_sk == NULL)
1137                         {
1138                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1139                         goto err;
1140                         }
1141                 }
1142
1143         /* setup version number */
1144         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1145
1146         if (no_prompt)
1147                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1148         else
1149                 {
1150                 if (subj)
1151                         i = build_subject(req, subj, chtype);
1152                 else
1153                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1154                 }
1155         if(!i) goto err;
1156
1157         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1158
1159         ret=1;
1160 err:
1161         return(ret);
1162         }
1163
1164 /*
1165  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1166  * where characters may be escaped by \
1167  */
1168 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1169         {
1170         X509_NAME *n;
1171
1172         if (!(n = do_subject(subject, chtype)))
1173                 return 0;
1174
1175         if (!X509_REQ_set_subject_name(req, n))
1176                 {
1177                 X509_NAME_free(n);
1178                 return 0;
1179                 }
1180         X509_NAME_free(n);
1181         return 1;
1182 }
1183
1184
1185 static int prompt_info(X509_REQ *req,
1186                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1187                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1188                 unsigned long chtype)
1189         {
1190         int i;
1191         char *p,*q;
1192         char buf[100];
1193         int nid;
1194         long n_min,n_max;
1195         char *type,*def,*value;
1196         CONF_VALUE *v;
1197         X509_NAME *subj;
1198         subj = X509_REQ_get_subject_name(req);
1199
1200         if(!batch)
1201                 {
1202                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1203                 BIO_printf(bio_err,"into your certificate request.\n");
1204                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1205                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1206                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1207                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1208                 BIO_printf(bio_err,"-----\n");
1209                 }
1210
1211
1212         if (sk_CONF_VALUE_num(dn_sk))
1213                 {
1214                 i= -1;
1215 start:          for (;;)
1216                         {
1217                         i++;
1218                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1219
1220                         v=sk_CONF_VALUE_value(dn_sk,i);
1221                         p=q=NULL;
1222                         type=v->name;
1223                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1224                                 !check_end(type,"_default") ||
1225                                          !check_end(type,"_value")) continue;
1226                         /* Skip past any leading X. X: X, etc to allow for
1227                          * multiple instances
1228                          */
1229                         for(p = v->name; *p ; p++)
1230                                 if ((*p == ':') || (*p == ',') ||
1231                                                          (*p == '.')) {
1232                                         p++;
1233                                         if(*p) type = p;
1234                                         break;
1235                                 }
1236                         /* If OBJ not recognised ignore it */
1237                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1238                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1239                                 >= sizeof buf)
1240                            {
1241                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1242                            return 0;
1243                            }
1244
1245                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1246                                 {
1247                                 ERR_clear_error();
1248                                 def="";
1249                                 }
1250
1251                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1252                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1253                                 {
1254                                 ERR_clear_error();
1255                                 value=NULL;
1256                                 }
1257
1258                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1259                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1260                                 {
1261                                 ERR_clear_error();
1262                                 n_min = -1;
1263                                 }
1264
1265                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1266                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1267                                 {
1268                                 ERR_clear_error();
1269                                 n_max = -1;
1270                                 }
1271
1272                         if (!add_DN_object(subj,v->value,def,value,nid,
1273                                 n_min,n_max, chtype))
1274                                 return 0;
1275                         }
1276                 if (X509_NAME_entry_count(subj) == 0)
1277                         {
1278                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1279                         return 0;
1280                         }
1281
1282                 if (attribs)
1283                         {
1284                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1285                                 {
1286                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1287                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1288                                 }
1289
1290                         i= -1;
1291 start2:                 for (;;)
1292                                 {
1293                                 i++;
1294                                 if ((attr_sk == NULL) ||
1295                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1296                                         break;
1297
1298                                 v=sk_CONF_VALUE_value(attr_sk,i);
1299                                 type=v->name;
1300                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1301                                         goto start2;
1302
1303                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1304                                         >= sizeof buf)
1305                                    {
1306                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1307                                    return 0;
1308                                    }
1309
1310                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1311                                         == NULL)
1312                                         {
1313                                         ERR_clear_error();
1314                                         def="";
1315                                         }
1316
1317
1318                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1319                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1320                                         == NULL)
1321                                         {
1322                                         ERR_clear_error();
1323                                         value=NULL;
1324                                         }
1325
1326                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1327                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1328                                         n_min = -1;
1329
1330                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1331                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1332                                         n_max = -1;
1333
1334                                 if (!add_attribute_object(req,
1335                                         v->value,def,value,nid,n_min,n_max, chtype))
1336                                         return 0;
1337                                 }
1338                         }
1339                 }
1340         else
1341                 {
1342                 BIO_printf(bio_err,"No template, please set one up.\n");
1343                 return 0;
1344                 }
1345
1346         return 1;
1347
1348         }
1349
1350 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1351                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1352         {
1353         int i;
1354         char *p,*q;
1355         char *type;
1356         CONF_VALUE *v;
1357         X509_NAME *subj;
1358
1359         subj = X509_REQ_get_subject_name(req);
1360
1361         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1362                 {
1363                 v=sk_CONF_VALUE_value(dn_sk,i);
1364                 p=q=NULL;
1365                 type=v->name;
1366                 /* Skip past any leading X. X: X, etc to allow for
1367                  * multiple instances
1368                  */
1369                 for(p = v->name; *p ; p++)
1370 #ifndef CHARSET_EBCDIC
1371                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1372 #else
1373                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1374 #endif
1375                                 p++;
1376                                 if(*p) type = p;
1377                                 break;
1378                         }
1379                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1380                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1381
1382                 }
1383
1384                 if (!X509_NAME_entry_count(subj))
1385                         {
1386                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1387                         return 0;
1388                         }
1389                 if (attribs)
1390                         {
1391                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1392                                 {
1393                                 v=sk_CONF_VALUE_value(attr_sk,i);
1394                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1395                                         (unsigned char *)v->value, -1)) return 0;
1396                                 }
1397                         }
1398         return 1;
1399         }
1400
1401
1402 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1403              int nid, int n_min, int n_max, unsigned long chtype)
1404         {
1405         int i,ret=0;
1406         MS_STATIC char buf[1024];
1407 start:
1408         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1409         (void)BIO_flush(bio_err);
1410         if(value != NULL)
1411                 {
1412                 BUF_strlcpy(buf,value,sizeof buf);
1413                 BUF_strlcat(buf,"\n",sizeof buf);
1414                 BIO_printf(bio_err,"%s\n",value);
1415                 }
1416         else
1417                 {
1418                 buf[0]='\0';
1419                 if (!batch)
1420                         {
1421                         fgets(buf,sizeof buf,stdin);
1422                         }
1423                 else
1424                         {
1425                         buf[0] = '\n';
1426                         buf[1] = '\0';
1427                         }
1428                 }
1429
1430         if (buf[0] == '\0') return(0);
1431         else if (buf[0] == '\n')
1432                 {
1433                 if ((def == NULL) || (def[0] == '\0'))
1434                         return(1);
1435                 BUF_strlcpy(buf,def,sizeof buf);
1436                 BUF_strlcat(buf,"\n",sizeof buf);
1437                 }
1438         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1439
1440         i=strlen(buf);
1441         if (buf[i-1] != '\n')
1442                 {
1443                 BIO_printf(bio_err,"weird input :-(\n");
1444                 return(0);
1445                 }
1446         buf[--i]='\0';
1447 #ifdef CHARSET_EBCDIC
1448         ebcdic2ascii(buf, buf, i);
1449 #endif
1450         if(!req_check_len(i, n_min, n_max)) goto start;
1451         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1452                                 (unsigned char *) buf, -1,-1,0)) goto err;
1453         ret=1;
1454 err:
1455         return(ret);
1456         }
1457
1458 static int add_attribute_object(X509_REQ *req, char *text,
1459                                 char *def, char *value, int nid, int n_min,
1460                                 int n_max, unsigned long chtype)
1461         {
1462         int i;
1463         static char buf[1024];
1464
1465 start:
1466         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1467         (void)BIO_flush(bio_err);
1468         if (value != NULL)
1469                 {
1470                 BUF_strlcpy(buf,value,sizeof buf);
1471                 BUF_strlcat(buf,"\n",sizeof buf);
1472                 BIO_printf(bio_err,"%s\n",value);
1473                 }
1474         else
1475                 {
1476                 buf[0]='\0';
1477                 if (!batch)
1478                         {
1479                         fgets(buf,sizeof buf,stdin);
1480                         }
1481                 else
1482                         {
1483                         buf[0] = '\n';
1484                         buf[1] = '\0';
1485                         }
1486                 }
1487
1488         if (buf[0] == '\0') return(0);
1489         else if (buf[0] == '\n')
1490                 {
1491                 if ((def == NULL) || (def[0] == '\0'))
1492                         return(1);
1493                 BUF_strlcpy(buf,def,sizeof buf);
1494                 BUF_strlcat(buf,"\n",sizeof buf);
1495                 }
1496         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1497
1498         i=strlen(buf);
1499         if (buf[i-1] != '\n')
1500                 {
1501                 BIO_printf(bio_err,"weird input :-(\n");
1502                 return(0);
1503                 }
1504         buf[--i]='\0';
1505 #ifdef CHARSET_EBCDIC
1506         ebcdic2ascii(buf, buf, i);
1507 #endif
1508         if(!req_check_len(i, n_min, n_max)) goto start;
1509
1510         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1511                                         (unsigned char *)buf, -1)) {
1512                 BIO_printf(bio_err, "Error adding attribute\n");
1513                 ERR_print_errors(bio_err);
1514                 goto err;
1515         }
1516
1517         return(1);
1518 err:
1519         return(0);
1520         }
1521
1522 #ifndef OPENSSL_NO_RSA
1523 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1524         {
1525         char c='*';
1526
1527         if (p == 0) c='.';
1528         if (p == 1) c='+';
1529         if (p == 2) c='*';
1530         if (p == 3) c='\n';
1531         BIO_write((BIO *)arg,&c,1);
1532         (void)BIO_flush((BIO *)arg);
1533 #ifdef LINT
1534         p=n;
1535 #endif
1536         }
1537 #endif
1538
1539 static int req_check_len(int len, int n_min, int n_max)
1540         {
1541         if ((n_min > 0) && (len < n_min))
1542                 {
1543                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1544                 return(0);
1545                 }
1546         if ((n_max >= 0) && (len > n_max))
1547                 {
1548                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1549                 return(0);
1550                 }
1551         return(1);
1552         }
1553
1554 /* Check if the end of a string matches 'end' */
1555 static int check_end(char *str, char *end)
1556 {
1557         int elen, slen;
1558         char *tmp;
1559         elen = strlen(end);
1560         slen = strlen(str);
1561         if(elen > slen) return 1;
1562         tmp = str + slen - elen;
1563         return strcmp(tmp, end);
1564 }