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
  83 #define SECTION         "req"
  84
  85 #define BITS            "default_bits"
  86 #define KEYFILE         "default_keyfile"
  87 #define PROMPT          "prompt"
  88 #define DISTINGUISHED_NAME      "distinguished_name"
  89 #define ATTRIBUTES      "attributes"
  90 #define V3_EXTENSIONS   "x509_extensions"
  91 #define REQ_EXTENSIONS  "req_extensions"
  92 #define STRING_MASK     "string_mask"
  93 #define UTF8_IN         "utf8"
  94
  95 #define DEFAULT_KEY_LENGTH      512
  96 #define MIN_KEY_LENGTH          384
  97
  98 #undef PROG
  99 #define PROG    req_main
 100
 101 /* -inform arg  - input format - default PEM (DER or PEM)
 102  * -outform arg - output format - default PEM
 103  * -in arg      - input file - default stdin
 104  * -out arg     - output file - default stdout
 105  * -verify      - check request signature
 106  * -noout       - don't print stuff out.
 107  * -text        - print out human readable text.
 108  * -nodes       - no des encryption
 109  * -config file - Load configuration file.
 110  * -key file    - make a request using key in file (or use it for verification).
 111  * -keyform arg - key file format.
 112  * -rand file(s) - load the file(s) into the PRNG.
 113  * -newkey      - make a key and a request.
 114  * -modulus     - print RSA modulus.
 115  * -pubkey      - output Public Key.
 116  * -x509        - output a self signed X509 structure instead.
 117  * -asn1-kludge - output new certificate request in a format that some CA's
 118  *                require.  This format is wrong
 119  */
 120
 121 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
 122                 int attribs,unsigned long chtype);
 123 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
 124                 int multirdn);
 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, const char *def,
 133                                 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, const char *def, char *value,
 136         int nid,int n_min,int n_max, unsigned long chtype, int mval);
 137 #ifndef OPENSSL_NO_RSA
 138 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb);
 139 #endif
 140 static int req_check_len(int len,int n_min,int n_max);
 141 static int check_end(const char *str, const 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 #ifndef OPENSSL_NO_ENGINE
 176         char *engine=NULL;
 177 #endif
 178         char *extensions = NULL;
 179         char *req_exts = NULL;
 180         const EVP_CIPHER *cipher=NULL;
 181         ASN1_INTEGER *serial = NULL;
 182         int modulus=0;
 183         char *inrand=NULL;
 184         char *passargin = NULL, *passargout = NULL;
 185         char *passin = NULL, *passout = NULL;
 186         char *p;
 187         char *subj = NULL;
 188         int multirdn = 0;
 189         const EVP_MD *md_alg=NULL,*digest=EVP_sha1();
 190         unsigned long chtype = MBSTRING_ASC;
 191 #ifndef MONOLITH
 192         char *to_free;
 193         long errline;
 194 #endif
 195
 196         req_conf = NULL;
 197 #ifndef OPENSSL_NO_DES
 198         cipher=EVP_des_ede3_cbc();
 199 #endif
 200         apps_startup();
 201
 202         if (bio_err == NULL)
 203                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 204                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 205
 206         infile=NULL;
 207         outfile=NULL;
 208         informat=FORMAT_PEM;
 209         outformat=FORMAT_PEM;
 210
 211         prog=argv[0];
 212         argc--;
 213         argv++;
 214         while (argc >= 1)
 215                 {
 216                 if      (strcmp(*argv,"-inform") == 0)
 217                         {
 218                         if (--argc < 1) goto bad;
 219                         informat=str2fmt(*(++argv));
 220                         }
 221                 else if (strcmp(*argv,"-outform") == 0)
 222                         {
 223                         if (--argc < 1) goto bad;
 224                         outformat=str2fmt(*(++argv));
 225                         }
 226 #ifndef OPENSSL_NO_ENGINE
 227                 else if (strcmp(*argv,"-engine") == 0)
 228                         {
 229                         if (--argc < 1) goto bad;
 230                         engine= *(++argv);
 231                         }
 232 #endif
 233                 else if (strcmp(*argv,"-key") == 0)
 234                         {
 235                         if (--argc < 1) goto bad;
 236                         keyfile= *(++argv);
 237                         }
 238                 else if (strcmp(*argv,"-pubkey") == 0)
 239                         {
 240                         pubkey=1;
 241                         }
 242                 else if (strcmp(*argv,"-new") == 0)
 243                         {
 244                         newreq=1;
 245                         }
 246                 else if (strcmp(*argv,"-config") == 0)
 247                         {
 248                         if (--argc < 1) goto bad;
 249                         template= *(++argv);
 250                         }
 251                 else if (strcmp(*argv,"-keyform") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         keyform=str2fmt(*(++argv));
 255                         }
 256                 else if (strcmp(*argv,"-in") == 0)
 257                         {
 258                         if (--argc < 1) goto bad;
 259                         infile= *(++argv);
 260                         }
 261                 else if (strcmp(*argv,"-out") == 0)
 262                         {
 263                         if (--argc < 1) goto bad;
 264                         outfile= *(++argv);
 265                         }
 266                 else if (strcmp(*argv,"-keyout") == 0)
 267                         {
 268                         if (--argc < 1) goto bad;
 269                         keyout= *(++argv);
 270                         }
 271                 else if (strcmp(*argv,"-passin") == 0)
 272                         {
 273                         if (--argc < 1) goto bad;
 274                         passargin= *(++argv);
 275                         }
 276                 else if (strcmp(*argv,"-passout") == 0)
 277                         {
 278                         if (--argc < 1) goto bad;
 279                         passargout= *(++argv);
 280                         }
 281                 else if (strcmp(*argv,"-rand") == 0)
 282                         {
 283                         if (--argc < 1) goto bad;
 284                         inrand= *(++argv);
 285                         }
 286                 else if (strcmp(*argv,"-newkey") == 0)
 287                         {
 288                         int is_numeric;
 289
 290                         if (--argc < 1) goto bad;
 291                         p= *(++argv);
 292                         is_numeric = p[0] >= '0' && p[0] <= '9';
 293                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 294                                 {
 295                                 pkey_type=TYPE_RSA;
 296                                 if(!is_numeric)
 297                                     p+=4;
 298                                 newkey= atoi(p);
 299                                 }
 300                         else
 301 #ifndef OPENSSL_NO_DSA
 302                                 if (strncmp("dsa:",p,4) == 0)
 303                                 {
 304                                 X509 *xtmp=NULL;
 305                                 EVP_PKEY *dtmp;
 306
 307                                 pkey_type=TYPE_DSA;
 308                                 p+=4;
 309                                 if ((in=BIO_new_file(p,"r")) == NULL)
 310                                         {
 311                                         perror(p);
 312                                         goto end;
 313                                         }
 314                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 315                                         {
 316                                         ERR_clear_error();
 317                                         (void)BIO_reset(in);
 318                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 319                                                 {
 320                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 321                                                 goto end;
 322                                                 }
 323
 324                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 325                                         if (dtmp->type == EVP_PKEY_DSA)
 326                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 327                                         EVP_PKEY_free(dtmp);
 328                                         X509_free(xtmp);
 329                                         if (dsa_params == NULL)
 330                                                 {
 331                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 332                                                 goto end;
 333                                                 }
 334                                         }
 335                                 BIO_free(in);
 336                                 in=NULL;
 337                                 newkey=BN_num_bits(dsa_params->p);
 338                                 }
 339                         else
 340 #endif
 341 #ifndef OPENSSL_NO_ECDSA
 342                                 if (strncmp("ec:",p,3) == 0)
 343                                 {
 344                                 X509 *xtmp=NULL;
 345                                 EVP_PKEY *dtmp;
 346                                 EC_GROUP *group;
 347
 348                                 pkey_type=TYPE_EC;
 349                                 p+=3;
 350                                 if ((in=BIO_new_file(p,"r")) == NULL)
 351                                         {
 352                                         perror(p);
 353                                         goto end;
 354                                         }
 355                                 if ((ec_params = EC_KEY_new()) == NULL)
 356                                         goto end;
 357                                 group = PEM_read_bio_ECPKParameters(in, NULL, NULL, NULL);
 358                                 if (group == NULL)
 359                                         {
 360                                         EC_KEY_free(ec_params);
 361                                         ERR_clear_error();
 362                                         (void)BIO_reset(in);
 363                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 364                                                 {
 365                                                 BIO_printf(bio_err,"unable to load EC parameters from file\n");
 366                                                 goto end;
 367                                                 }
 368
 369                                         if ((dtmp=X509_get_pubkey(xtmp))==NULL)
 370                                                 goto end;
 371                                         if (dtmp->type == EVP_PKEY_EC)
 372                                                 ec_params = EC_KEY_dup(dtmp->pkey.ec);
 373                                         EVP_PKEY_free(dtmp);
 374                                         X509_free(xtmp);
 375                                         if (ec_params == NULL)
 376                                                 {
 377                                                 BIO_printf(bio_err,"Certificate does not contain EC parameters\n");
 378                                                 goto end;
 379                                                 }
 380                                         }
 381                                 else
 382                                         {
 383                                         if (EC_KEY_set_group(ec_params, group) == 0)
 384                                                 goto end;
 385                                         EC_GROUP_free(group);
 386                                         }
 387
 388                                 BIO_free(in);
 389                                 in=NULL;
 390                                 newkey = EC_GROUP_get_degree(EC_KEY_get0_group(ec_params));
 391                                 }
 392                         else
 393 #endif
 394 #ifndef OPENSSL_NO_DH
 395                                 if (strncmp("dh:",p,4) == 0)
 396                                 {
 397                                 pkey_type=TYPE_DH;
 398                                 p+=3;
 399                                 }
 400                         else
 401 #endif
 402                                 {
 403                                 goto bad;
 404                                 }
 405
 406                         newreq=1;
 407                         }
 408                 else if (strcmp(*argv,"-batch") == 0)
 409                         batch=1;
 410                 else if (strcmp(*argv,"-newhdr") == 0)
 411                         newhdr=1;
 412                 else if (strcmp(*argv,"-modulus") == 0)
 413                         modulus=1;
 414                 else if (strcmp(*argv,"-verify") == 0)
 415                         verify=1;
 416                 else if (strcmp(*argv,"-nodes") == 0)
 417                         nodes=1;
 418                 else if (strcmp(*argv,"-noout") == 0)
 419                         noout=1;
 420                 else if (strcmp(*argv,"-verbose") == 0)
 421                         verbose=1;
 422                 else if (strcmp(*argv,"-utf8") == 0)
 423                         chtype = MBSTRING_UTF8;
 424                 else if (strcmp(*argv,"-nameopt") == 0)
 425                         {
 426                         if (--argc < 1) goto bad;
 427                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 428                         }
 429                 else if (strcmp(*argv,"-reqopt") == 0)
 430                         {
 431                         if (--argc < 1) goto bad;
 432                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 433                         }
 434                 else if (strcmp(*argv,"-subject") == 0)
 435                         subject=1;
 436                 else if (strcmp(*argv,"-text") == 0)
 437                         text=1;
 438                 else if (strcmp(*argv,"-x509") == 0)
 439                         x509=1;
 440                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 441                         kludge=1;
 442                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 443                         kludge=0;
 444                 else if (strcmp(*argv,"-subj") == 0)
 445                         {
 446                         if (--argc < 1) goto bad;
 447                         subj= *(++argv);
 448                         }
 449                 else if (strcmp(*argv,"-multivalue-rdn") == 0)
 450                         multirdn=1;
 451                 else if (strcmp(*argv,"-days") == 0)
 452                         {
 453                         if (--argc < 1) goto bad;
 454                         days= atoi(*(++argv));
 455                         if (days == 0) days=30;
 456                         }
 457                 else if (strcmp(*argv,"-set_serial") == 0)
 458                         {
 459                         if (--argc < 1) goto bad;
 460                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 461                         if (!serial) goto bad;
 462                         }
 463                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 464                         {
 465                         /* ok */
 466                         digest=md_alg;
 467                         }
 468                 else if (strcmp(*argv,"-extensions") == 0)
 469                         {
 470                         if (--argc < 1) goto bad;
 471                         extensions = *(++argv);
 472                         }
 473                 else if (strcmp(*argv,"-reqexts") == 0)
 474                         {
 475                         if (--argc < 1) goto bad;
 476                         req_exts = *(++argv);
 477                         }
 478                 else
 479                         {
 480                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 481                         badops=1;
 482                         break;
 483                         }
 484                 argc--;
 485                 argv++;
 486                 }
 487
 488         if (badops)
 489                 {
 490 bad:
 491                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 492                 BIO_printf(bio_err,"where options  are\n");
 493                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 494                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 495                 BIO_printf(bio_err," -in arg        input file\n");
 496                 BIO_printf(bio_err," -out arg       output file\n");
 497                 BIO_printf(bio_err," -text          text form of request\n");
 498                 BIO_printf(bio_err," -pubkey        output public key\n");
 499                 BIO_printf(bio_err," -noout         do not output REQ\n");
 500                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 501                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 502                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 503 #ifndef OPENSSL_NO_ENGINE
 504                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 505 #endif
 506                 BIO_printf(bio_err," -subject       output the request's subject\n");
 507                 BIO_printf(bio_err," -passin        private key password source\n");
 508                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 509                 BIO_printf(bio_err," -keyform arg   key file format\n");
 510                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 511                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 512                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 513                 BIO_printf(bio_err,"                the random number generator\n");
 514                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 515                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 516 #ifndef OPENSSL_NO_ECDSA
 517                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 518 #endif
 519                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 520                 BIO_printf(bio_err," -config file   request template file.\n");
 521                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 522                 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
 523                 BIO_printf(bio_err," -new           new request.\n");
 524                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 525                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 526                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 527                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 528                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 529                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 530                 BIO_printf(bio_err,"                have been reported as requiring\n");
 531                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 532                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 533                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 534                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 535                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 536                 goto end;
 537                 }
 538
 539         ERR_load_crypto_strings();
 540         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 541                 BIO_printf(bio_err, "Error getting passwords\n");
 542                 goto end;
 543         }
 544
 545 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 546         /* Lets load up our environment a little */
 547         p=getenv("OPENSSL_CONF");
 548         if (p == NULL)
 549                 p=getenv("SSLEAY_CONF");
 550         if (p == NULL)
 551                 p=to_free=make_config_name();
 552         default_config_file=p;
 553         config=NCONF_new(NULL);
 554         i=NCONF_load(config, p, &errline);
 555 #endif
 556
 557         if (template != NULL)
 558                 {
 559                 long errline = -1;
 560
 561                 if( verbose )
 562                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 563                 req_conf=NCONF_new(NULL);
 564                 i=NCONF_load(req_conf,template,&errline);
 565                 if (i == 0)
 566                         {
 567                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 568                         goto end;
 569                         }
 570                 }
 571         else
 572                 {
 573                 req_conf=config;
 574
 575                 if (req_conf == NULL)
 576                         {
 577                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 578                         if (newreq)
 579                                 goto end;
 580                         }
 581                 else if( verbose )
 582                         BIO_printf(bio_err,"Using configuration from %s\n",
 583                         default_config_file);
 584                 }
 585
 586         if (req_conf != NULL)
 587                 {
 588                 if (!load_config(bio_err, req_conf))
 589                         goto end;
 590                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 591                 if (p == NULL)
 592                         ERR_clear_error();
 593                 if (p != NULL)
 594                         {
 595                         BIO *oid_bio;
 596
 597                         oid_bio=BIO_new_file(p,"r");
 598                         if (oid_bio == NULL)
 599                                 {
 600                                 /*
 601                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 602                                 ERR_print_errors(bio_err);
 603                                 */
 604                                 }
 605                         else
 606                                 {
 607                                 OBJ_create_objects(oid_bio);
 608                                 BIO_free(oid_bio);
 609                                 }
 610                         }
 611                 }
 612         if(!add_oid_section(bio_err, req_conf)) goto end;
 613
 614         if (md_alg == NULL)
 615                 {
 616                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 617                 if (p == NULL)
 618                         ERR_clear_error();
 619                 if (p != NULL)
 620                         {
 621                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 622                                 digest=md_alg;
 623                         }
 624                 }
 625
 626         if (!extensions)
 627                 {
 628                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 629                 if (!extensions)
 630                         ERR_clear_error();
 631                 }
 632         if (extensions) {
 633                 /* Check syntax of file */
 634                 X509V3_CTX ctx;
 635                 X509V3_set_ctx_test(&ctx);
 636                 X509V3_set_nconf(&ctx, req_conf);
 637                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 638                         BIO_printf(bio_err,
 639                          "Error Loading extension section %s\n", extensions);
 640                         goto end;
 641                 }
 642         }
 643
 644         if(!passin)
 645                 {
 646                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 647                 if (!passin)
 648                         ERR_clear_error();
 649                 }
 650
 651         if(!passout)
 652                 {
 653                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 654                 if (!passout)
 655                         ERR_clear_error();
 656                 }
 657
 658         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 659         if (!p)
 660                 ERR_clear_error();
 661
 662         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 663                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 664                 goto end;
 665         }
 666
 667         if (chtype != MBSTRING_UTF8)
 668                 {
 669                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 670                 if (!p)
 671                         ERR_clear_error();
 672                 else if (!strcmp(p, "yes"))
 673                         chtype = MBSTRING_UTF8;
 674                 }
 675
 676
 677         if(!req_exts)
 678                 {
 679                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 680                 if (!req_exts)
 681                         ERR_clear_error();
 682                 }
 683         if(req_exts) {
 684                 /* Check syntax of file */
 685                 X509V3_CTX ctx;
 686                 X509V3_set_ctx_test(&ctx);
 687                 X509V3_set_nconf(&ctx, req_conf);
 688                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 689                         BIO_printf(bio_err,
 690                          "Error Loading request extension section %s\n",
 691                                                                 req_exts);
 692                         goto end;
 693                 }
 694         }
 695
 696         in=BIO_new(BIO_s_file());
 697         out=BIO_new(BIO_s_file());
 698         if ((in == NULL) || (out == NULL))
 699                 goto end;
 700
 701 #ifndef OPENSSL_NO_ENGINE
 702         e = setup_engine(bio_err, engine, 0);
 703 #endif
 704
 705         if (keyfile != NULL)
 706                 {
 707                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 708                         "Private Key");
 709                 if (!pkey)
 710                         {
 711                         /* load_key() has already printed an appropriate
 712                            message */
 713                         goto end;
 714                         }
 715                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 716                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 717                         {
 718                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 719                         if (randfile == NULL)
 720                                 ERR_clear_error();
 721                         app_RAND_load_file(randfile, bio_err, 0);
 722                         }
 723                 }
 724
 725         if (newreq && (pkey == NULL))
 726                 {
 727                 BN_GENCB cb;
 728                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 729                 if (randfile == NULL)
 730                         ERR_clear_error();
 731                 app_RAND_load_file(randfile, bio_err, 0);
 732                 if (inrand)
 733                         app_RAND_load_files(inrand);
 734
 735                 if (newkey <= 0)
 736                         {
 737                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 738                                 newkey=DEFAULT_KEY_LENGTH;
 739                         }
 740
 741                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 742                         {
 743                         BIO_printf(bio_err,"private key length is too short,\n");
 744                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 745                         goto end;
 746                         }
 747                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 748                         newkey,(pkey_type == TYPE_RSA)?"RSA":
 749                         (pkey_type == TYPE_DSA)?"DSA":"EC");
 750
 751                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 752
 753 #ifndef OPENSSL_NO_RSA
 754                 BN_GENCB_set(&cb, req_cb, bio_err);
 755                 if (pkey_type == TYPE_RSA)
 756                         {
 757                         RSA *rsa = RSA_new();
 758                         BIGNUM *bn = BN_new();
 759                         if(!bn || !rsa || !BN_set_word(bn, 0x10001) ||
 760                                         !RSA_generate_key_ex(rsa, newkey, bn, &cb) ||
 761                                         !EVP_PKEY_assign_RSA(pkey, rsa))
 762                                 {
 763                                 if(bn) BN_free(bn);
 764                                 if(rsa) RSA_free(rsa);
 765                                 goto end;
 766                                 }
 767                         BN_free(bn);
 768                         }
 769                 else
 770 #endif
 771 #ifndef OPENSSL_NO_DSA
 772                         if (pkey_type == TYPE_DSA)
 773                         {
 774                         if (!DSA_generate_key(dsa_params)) goto end;
 775                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 776                         dsa_params=NULL;
 777                         }
 778 #endif
 779 #ifndef OPENSSL_NO_ECDSA
 780                         if (pkey_type == TYPE_EC)
 781                         {
 782                         if (!EC_KEY_generate_key(ec_params)) goto end;
 783                         if (!EVP_PKEY_assign_EC_KEY(pkey, ec_params))
 784                                 goto end;
 785                         ec_params = NULL;
 786                         }
 787 #endif
 788
 789                 app_RAND_write_file(randfile, bio_err);
 790
 791                 if (pkey == NULL) goto end;
 792
 793                 if (keyout == NULL)
 794                         {
 795                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 796                         if (keyout == NULL)
 797                                 ERR_clear_error();
 798                         }
 799
 800                 if (keyout == NULL)
 801                         {
 802                         BIO_printf(bio_err,"writing new private key to stdout\n");
 803                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 804 #ifdef OPENSSL_SYS_VMS
 805                         {
 806                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 807                         out = BIO_push(tmpbio, out);
 808                         }
 809 #endif
 810                         }
 811                 else
 812                         {
 813                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 814                         if (BIO_write_filename(out,keyout) <= 0)
 815                                 {
 816                                 perror(keyout);
 817                                 goto end;
 818                                 }
 819                         }
 820
 821                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 822                 if (p == NULL)
 823                         {
 824                         ERR_clear_error();
 825                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 826                         if (p == NULL)
 827                                 ERR_clear_error();
 828                         }
 829                 if ((p != NULL) && (strcmp(p,"no") == 0))
 830                         cipher=NULL;
 831                 if (nodes) cipher=NULL;
 832
 833                 i=0;
 834 loop:
 835                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 836                         NULL,0,NULL,passout))
 837                         {
 838                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 839                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 840                                 {
 841                                 ERR_clear_error();
 842                                 i++;
 843                                 goto loop;
 844                                 }
 845                         goto end;
 846                         }
 847                 BIO_printf(bio_err,"-----\n");
 848                 }
 849
 850         if (!newreq)
 851                 {
 852                 /* Since we are using a pre-existing certificate
 853                  * request, the kludge 'format' info should not be
 854                  * changed. */
 855                 kludge= -1;
 856                 if (infile == NULL)
 857                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 858                 else
 859                         {
 860                         if (BIO_read_filename(in,infile) <= 0)
 861                                 {
 862                                 perror(infile);
 863                                 goto end;
 864                                 }
 865                         }
 866
 867                 if      (informat == FORMAT_ASN1)
 868                         req=d2i_X509_REQ_bio(in,NULL);
 869                 else if (informat == FORMAT_PEM)
 870                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 871                 else
 872                         {
 873                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 874                         goto end;
 875                         }
 876                 if (req == NULL)
 877                         {
 878                         BIO_printf(bio_err,"unable to load X509 request\n");
 879                         goto end;
 880                         }
 881                 }
 882
 883         if (newreq || x509)
 884                 {
 885                 if (pkey == NULL)
 886                         {
 887                         BIO_printf(bio_err,"you need to specify a private key\n");
 888                         goto end;
 889                         }
 890 #ifndef OPENSSL_NO_DSA
 891                 if (pkey->type == EVP_PKEY_DSA)
 892                         digest=EVP_dss1();
 893 #endif
 894 #ifndef OPENSSL_NO_ECDSA
 895                 if (pkey->type == EVP_PKEY_EC)
 896                         digest=EVP_ecdsa();
 897 #endif
 898                 if (req == NULL)
 899                         {
 900                         req=X509_REQ_new();
 901                         if (req == NULL)
 902                                 {
 903                                 goto end;
 904                                 }
 905
 906                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 907                         subj=NULL; /* done processing '-subj' option */
 908                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 909                                 {
 910                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 911                                 req->req_info->attributes = NULL;
 912                                 }
 913                         if (!i)
 914                                 {
 915                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 916                                 goto end;
 917                                 }
 918                         }
 919                 if (x509)
 920                         {
 921                         EVP_PKEY *tmppkey;
 922                         X509V3_CTX ext_ctx;
 923                         if ((x509ss=X509_new()) == NULL) goto end;
 924
 925                         /* Set version to V3 */
 926                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 927                         if (serial)
 928                                 {
 929                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 930                                 }
 931                         else
 932                                 {
 933                                 if (!rand_serial(NULL,
 934                                         X509_get_serialNumber(x509ss)))
 935                                                 goto end;
 936                                 }
 937
 938                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 939                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 940                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 941                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 942                         tmppkey = X509_REQ_get_pubkey(req);
 943                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 944                         EVP_PKEY_free(tmppkey);
 945
 946                         /* Set up V3 context struct */
 947
 948                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 949                         X509V3_set_nconf(&ext_ctx, req_conf);
 950
 951                         /* Add extensions */
 952                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 953                                         &ext_ctx, extensions, x509ss))
 954                                 {
 955                                 BIO_printf(bio_err,
 956                                         "Error Loading extension section %s\n",
 957                                         extensions);
 958                                 goto end;
 959                                 }
 960
 961                         if (!(i=X509_sign(x509ss,pkey,digest)))
 962                                 goto end;
 963                         }
 964                 else
 965                         {
 966                         X509V3_CTX ext_ctx;
 967
 968                         /* Set up V3 context struct */
 969
 970                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 971                         X509V3_set_nconf(&ext_ctx, req_conf);
 972
 973                         /* Add extensions */
 974                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 975                                         &ext_ctx, req_exts, req))
 976                                 {
 977                                 BIO_printf(bio_err,
 978                                         "Error Loading extension section %s\n",
 979                                         req_exts);
 980                                 goto end;
 981                                 }
 982                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 983                                 goto end;
 984                         }
 985                 }
 986
 987         if (subj && x509)
 988                 {
 989                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 990                 goto end;
 991                 }
 992
 993         if (subj && !x509)
 994                 {
 995                 if (verbose)
 996                         {
 997                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 998                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 999                         }
1000
1001                 if (build_subject(req, subj, chtype, multirdn) == 0)
1002                         {
1003                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
1004                         ex=1;
1005                         goto end;
1006                         }
1007
1008                 req->req_info->enc.modified = 1;
1009
1010                 if (verbose)
1011                         {
1012                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
1013                         }
1014                 }
1015
1016         if (verify && !x509)
1017                 {
1018                 int tmp=0;
1019
1020                 if (pkey == NULL)
1021                         {
1022                         pkey=X509_REQ_get_pubkey(req);
1023                         tmp=1;
1024                         if (pkey == NULL) goto end;
1025                         }
1026
1027                 i=X509_REQ_verify(req,pkey);
1028                 if (tmp) {
1029                         EVP_PKEY_free(pkey);
1030                         pkey=NULL;
1031                 }
1032
1033                 if (i < 0)
1034                         {
1035                         goto end;
1036                         }
1037                 else if (i == 0)
1038                         {
1039                         BIO_printf(bio_err,"verify failure\n");
1040                         ERR_print_errors(bio_err);
1041                         }
1042                 else /* if (i > 0) */
1043                         BIO_printf(bio_err,"verify OK\n");
1044                 }
1045
1046         if (noout && !text && !modulus && !subject && !pubkey)
1047                 {
1048                 ex=0;
1049                 goto end;
1050                 }
1051
1052         if (outfile == NULL)
1053                 {
1054                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1055 #ifdef OPENSSL_SYS_VMS
1056                 {
1057                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1058                 out = BIO_push(tmpbio, out);
1059                 }
1060 #endif
1061                 }
1062         else
1063                 {
1064                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1065                         i=(int)BIO_append_filename(out,outfile);
1066                 else
1067                         i=(int)BIO_write_filename(out,outfile);
1068                 if (!i)
1069                         {
1070                         perror(outfile);
1071                         goto end;
1072                         }
1073                 }
1074
1075         if (pubkey)
1076                 {
1077                 EVP_PKEY *tpubkey;
1078                 tpubkey=X509_REQ_get_pubkey(req);
1079                 if (tpubkey == NULL)
1080                         {
1081                         BIO_printf(bio_err,"Error getting public key\n");
1082                         ERR_print_errors(bio_err);
1083                         goto end;
1084                         }
1085                 PEM_write_bio_PUBKEY(out, tpubkey);
1086                 EVP_PKEY_free(tpubkey);
1087                 }
1088
1089         if (text)
1090                 {
1091                 if (x509)
1092                         X509_print_ex(out, x509ss, nmflag, reqflag);
1093                 else
1094                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1095                 }
1096
1097         if(subject)
1098                 {
1099                 if(x509)
1100                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1101                 else
1102                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1103                 }
1104
1105         if (modulus)
1106                 {
1107                 EVP_PKEY *tpubkey;
1108
1109                 if (x509)
1110                         tpubkey=X509_get_pubkey(x509ss);
1111                 else
1112                         tpubkey=X509_REQ_get_pubkey(req);
1113                 if (tpubkey == NULL)
1114                         {
1115                         fprintf(stdout,"Modulus=unavailable\n");
1116                         goto end;
1117                         }
1118                 fprintf(stdout,"Modulus=");
1119 #ifndef OPENSSL_NO_RSA
1120                 if (tpubkey->type == EVP_PKEY_RSA)
1121                         BN_print(out,tpubkey->pkey.rsa->n);
1122                 else
1123 #endif
1124                         fprintf(stdout,"Wrong Algorithm type");
1125                 EVP_PKEY_free(tpubkey);
1126                 fprintf(stdout,"\n");
1127                 }
1128
1129         if (!noout && !x509)
1130                 {
1131                 if      (outformat == FORMAT_ASN1)
1132                         i=i2d_X509_REQ_bio(out,req);
1133                 else if (outformat == FORMAT_PEM) {
1134                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1135                         else i=PEM_write_bio_X509_REQ(out,req);
1136                 } else {
1137                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1138                         goto end;
1139                         }
1140                 if (!i)
1141                         {
1142                         BIO_printf(bio_err,"unable to write X509 request\n");
1143                         goto end;
1144                         }
1145                 }
1146         if (!noout && x509 && (x509ss != NULL))
1147                 {
1148                 if      (outformat == FORMAT_ASN1)
1149                         i=i2d_X509_bio(out,x509ss);
1150                 else if (outformat == FORMAT_PEM)
1151                         i=PEM_write_bio_X509(out,x509ss);
1152                 else    {
1153                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1154                         goto end;
1155                         }
1156                 if (!i)
1157                         {
1158                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1159                         goto end;
1160                         }
1161                 }
1162         ex=0;
1163 end:
1164 #ifndef MONOLITH
1165         if(to_free)
1166                 OPENSSL_free(to_free);
1167 #endif
1168         if (ex)
1169                 {
1170                 ERR_print_errors(bio_err);
1171                 }
1172         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1173         BIO_free(in);
1174         BIO_free_all(out);
1175         EVP_PKEY_free(pkey);
1176         X509_REQ_free(req);
1177         X509_free(x509ss);
1178         ASN1_INTEGER_free(serial);
1179         if(passargin && passin) OPENSSL_free(passin);
1180         if(passargout && passout) OPENSSL_free(passout);
1181         OBJ_cleanup();
1182 #ifndef OPENSSL_NO_DSA
1183         if (dsa_params != NULL) DSA_free(dsa_params);
1184 #endif
1185 #ifndef OPENSSL_NO_ECDSA
1186         if (ec_params != NULL) EC_KEY_free(ec_params);
1187 #endif
1188         apps_shutdown();
1189         OPENSSL_EXIT(ex);
1190         }
1191
1192 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1193                         int attribs, unsigned long chtype)
1194         {
1195         int ret=0,i;
1196         char no_prompt = 0;
1197         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1198         char *tmp, *dn_sect,*attr_sect;
1199
1200         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1201         if (tmp == NULL)
1202                 ERR_clear_error();
1203         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1204
1205         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1206         if (dn_sect == NULL)
1207                 {
1208                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1209                         DISTINGUISHED_NAME);
1210                 goto err;
1211                 }
1212         dn_sk=NCONF_get_section(req_conf,dn_sect);
1213         if (dn_sk == NULL)
1214                 {
1215                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1216                 goto err;
1217                 }
1218
1219         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1220         if (attr_sect == NULL)
1221                 {
1222                 ERR_clear_error();
1223                 attr_sk=NULL;
1224                 }
1225         else
1226                 {
1227                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1228                 if (attr_sk == NULL)
1229                         {
1230                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1231                         goto err;
1232                         }
1233                 }
1234
1235         /* setup version number */
1236         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1237
1238         if (no_prompt)
1239                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1240         else
1241                 {
1242                 if (subj)
1243                         i = build_subject(req, subj, chtype, multirdn);
1244                 else
1245                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1246                 }
1247         if(!i) goto err;
1248
1249         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1250
1251         ret=1;
1252 err:
1253         return(ret);
1254         }
1255
1256 /*
1257  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1258  * where characters may be escaped by \
1259  */
1260 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1261         {
1262         X509_NAME *n;
1263
1264         if (!(n = parse_name(subject, chtype, multirdn)))
1265                 return 0;
1266
1267         if (!X509_REQ_set_subject_name(req, n))
1268                 {
1269                 X509_NAME_free(n);
1270                 return 0;
1271                 }
1272         X509_NAME_free(n);
1273         return 1;
1274 }
1275
1276
1277 static int prompt_info(X509_REQ *req,
1278                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1279                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1280                 unsigned long chtype)
1281         {
1282         int i;
1283         char *p,*q;
1284         char buf[100];
1285         int nid, mval;
1286         long n_min,n_max;
1287         char *type, *value;
1288         const char *def;
1289         CONF_VALUE *v;
1290         X509_NAME *subj;
1291         subj = X509_REQ_get_subject_name(req);
1292
1293         if(!batch)
1294                 {
1295                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1296                 BIO_printf(bio_err,"into your certificate request.\n");
1297                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1298                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1299                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1300                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1301                 BIO_printf(bio_err,"-----\n");
1302                 }
1303
1304
1305         if (sk_CONF_VALUE_num(dn_sk))
1306                 {
1307                 i= -1;
1308 start:          for (;;)
1309                         {
1310                         i++;
1311                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1312
1313                         v=sk_CONF_VALUE_value(dn_sk,i);
1314                         p=q=NULL;
1315                         type=v->name;
1316                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1317                                 !check_end(type,"_default") ||
1318                                          !check_end(type,"_value")) continue;
1319                         /* Skip past any leading X. X: X, etc to allow for
1320                          * multiple instances
1321                          */
1322                         for(p = v->name; *p ; p++)
1323                                 if ((*p == ':') || (*p == ',') ||
1324                                                          (*p == '.')) {
1325                                         p++;
1326                                         if(*p) type = p;
1327                                         break;
1328                                 }
1329                         if (*type == '+')
1330                                 {
1331                                 mval = -1;
1332                                 type++;
1333                                 }
1334                         else
1335                                 mval = 0;
1336                         /* If OBJ not recognised ignore it */
1337                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1338                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1339                                 >= (int)sizeof(buf))
1340                            {
1341                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1342                            return 0;
1343                            }
1344
1345                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1346                                 {
1347                                 ERR_clear_error();
1348                                 def="";
1349                                 }
1350
1351                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1352                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1353                                 {
1354                                 ERR_clear_error();
1355                                 value=NULL;
1356                                 }
1357
1358                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1359                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1360                                 {
1361                                 ERR_clear_error();
1362                                 n_min = -1;
1363                                 }
1364
1365                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1366                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1367                                 {
1368                                 ERR_clear_error();
1369                                 n_max = -1;
1370                                 }
1371
1372                         if (!add_DN_object(subj,v->value,def,value,nid,
1373                                 n_min,n_max, chtype, mval))
1374                                 return 0;
1375                         }
1376                 if (X509_NAME_entry_count(subj) == 0)
1377                         {
1378                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1379                         return 0;
1380                         }
1381
1382                 if (attribs)
1383                         {
1384                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1385                                 {
1386                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1387                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1388                                 }
1389
1390                         i= -1;
1391 start2:                 for (;;)
1392                                 {
1393                                 i++;
1394                                 if ((attr_sk == NULL) ||
1395                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1396                                         break;
1397
1398                                 v=sk_CONF_VALUE_value(attr_sk,i);
1399                                 type=v->name;
1400                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1401                                         goto start2;
1402
1403                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1404                                         >= (int)sizeof(buf))
1405                                    {
1406                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1407                                    return 0;
1408                                    }
1409
1410                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1411                                         == NULL)
1412                                         {
1413                                         ERR_clear_error();
1414                                         def="";
1415                                         }
1416
1417
1418                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1419                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1420                                         == NULL)
1421                                         {
1422                                         ERR_clear_error();
1423                                         value=NULL;
1424                                         }
1425
1426                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1427                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1428                                         n_min = -1;
1429
1430                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1431                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1432                                         n_max = -1;
1433
1434                                 if (!add_attribute_object(req,
1435                                         v->value,def,value,nid,n_min,n_max, chtype))
1436                                         return 0;
1437                                 }
1438                         }
1439                 }
1440         else
1441                 {
1442                 BIO_printf(bio_err,"No template, please set one up.\n");
1443                 return 0;
1444                 }
1445
1446         return 1;
1447
1448         }
1449
1450 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1451                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1452         {
1453         int i;
1454         char *p,*q;
1455         char *type;
1456         CONF_VALUE *v;
1457         X509_NAME *subj;
1458
1459         subj = X509_REQ_get_subject_name(req);
1460
1461         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1462                 {
1463                 int mval;
1464                 v=sk_CONF_VALUE_value(dn_sk,i);
1465                 p=q=NULL;
1466                 type=v->name;
1467                 /* Skip past any leading X. X: X, etc to allow for
1468                  * multiple instances
1469                  */
1470                 for(p = v->name; *p ; p++)
1471 #ifndef CHARSET_EBCDIC
1472                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1473 #else
1474                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1475 #endif
1476                                 p++;
1477                                 if(*p) type = p;
1478                                 break;
1479                         }
1480 #ifndef CHARSET_EBCDIC
1481                 if (*p == '+')
1482 #else
1483                 if (*p == os_toascii['+'])
1484 #endif
1485                         {
1486                         p++;
1487                         mval = -1;
1488                         }
1489                 else
1490                         mval = 0;
1491                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1492                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1493
1494                 }
1495
1496                 if (!X509_NAME_entry_count(subj))
1497                         {
1498                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1499                         return 0;
1500                         }
1501                 if (attribs)
1502                         {
1503                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1504                                 {
1505                                 v=sk_CONF_VALUE_value(attr_sk,i);
1506                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1507                                         (unsigned char *)v->value, -1)) return 0;
1508                                 }
1509                         }
1510         return 1;
1511         }
1512
1513
1514 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1515              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1516         {
1517         int i,ret=0;
1518         MS_STATIC char buf[1024];
1519 start:
1520         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1521         (void)BIO_flush(bio_err);
1522         if(value != NULL)
1523                 {
1524                 BUF_strlcpy(buf,value,sizeof buf);
1525                 BUF_strlcat(buf,"\n",sizeof buf);
1526                 BIO_printf(bio_err,"%s\n",value);
1527                 }
1528         else
1529                 {
1530                 buf[0]='\0';
1531                 if (!batch)
1532                         {
1533                         fgets(buf,sizeof buf,stdin);
1534                         }
1535                 else
1536                         {
1537                         buf[0] = '\n';
1538                         buf[1] = '\0';
1539                         }
1540                 }
1541
1542         if (buf[0] == '\0') return(0);
1543         else if (buf[0] == '\n')
1544                 {
1545                 if ((def == NULL) || (def[0] == '\0'))
1546                         return(1);
1547                 BUF_strlcpy(buf,def,sizeof buf);
1548                 BUF_strlcat(buf,"\n",sizeof buf);
1549                 }
1550         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1551
1552         i=strlen(buf);
1553         if (buf[i-1] != '\n')
1554                 {
1555                 BIO_printf(bio_err,"weird input :-(\n");
1556                 return(0);
1557                 }
1558         buf[--i]='\0';
1559 #ifdef CHARSET_EBCDIC
1560         ebcdic2ascii(buf, buf, i);
1561 #endif
1562         if(!req_check_len(i, n_min, n_max)) goto start;
1563         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1564                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1565         ret=1;
1566 err:
1567         return(ret);
1568         }
1569
1570 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1571                                 char *value, int nid, int n_min,
1572                                 int n_max, unsigned long chtype)
1573         {
1574         int i;
1575         static char buf[1024];
1576
1577 start:
1578         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1579         (void)BIO_flush(bio_err);
1580         if (value != NULL)
1581                 {
1582                 BUF_strlcpy(buf,value,sizeof buf);
1583                 BUF_strlcat(buf,"\n",sizeof buf);
1584                 BIO_printf(bio_err,"%s\n",value);
1585                 }
1586         else
1587                 {
1588                 buf[0]='\0';
1589                 if (!batch)
1590                         {
1591                         fgets(buf,sizeof buf,stdin);
1592                         }
1593                 else
1594                         {
1595                         buf[0] = '\n';
1596                         buf[1] = '\0';
1597                         }
1598                 }
1599
1600         if (buf[0] == '\0') return(0);
1601         else if (buf[0] == '\n')
1602                 {
1603                 if ((def == NULL) || (def[0] == '\0'))
1604                         return(1);
1605                 BUF_strlcpy(buf,def,sizeof buf);
1606                 BUF_strlcat(buf,"\n",sizeof buf);
1607                 }
1608         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1609
1610         i=strlen(buf);
1611         if (buf[i-1] != '\n')
1612                 {
1613                 BIO_printf(bio_err,"weird input :-(\n");
1614                 return(0);
1615                 }
1616         buf[--i]='\0';
1617 #ifdef CHARSET_EBCDIC
1618         ebcdic2ascii(buf, buf, i);
1619 #endif
1620         if(!req_check_len(i, n_min, n_max)) goto start;
1621
1622         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1623                                         (unsigned char *)buf, -1)) {
1624                 BIO_printf(bio_err, "Error adding attribute\n");
1625                 ERR_print_errors(bio_err);
1626                 goto err;
1627         }
1628
1629         return(1);
1630 err:
1631         return(0);
1632         }
1633
1634 #ifndef OPENSSL_NO_RSA
1635 static int MS_CALLBACK req_cb(int p, int n, BN_GENCB *cb)
1636         {
1637         char c='*';
1638
1639         if (p == 0) c='.';
1640         if (p == 1) c='+';
1641         if (p == 2) c='*';
1642         if (p == 3) c='\n';
1643         BIO_write(cb->arg,&c,1);
1644         (void)BIO_flush(cb->arg);
1645 #ifdef LINT
1646         p=n;
1647 #endif
1648         return 1;
1649         }
1650 #endif
1651
1652 static int req_check_len(int len, int n_min, int n_max)
1653         {
1654         if ((n_min > 0) && (len < n_min))
1655                 {
1656                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1657                 return(0);
1658                 }
1659         if ((n_max >= 0) && (len > n_max))
1660                 {
1661                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1662                 return(0);
1663                 }
1664         return(1);
1665         }
1666
1667 /* Check if the end of a string matches 'end' */
1668 static int check_end(const char *str, const char *end)
1669 {
1670         int elen, slen;
1671         const char *tmp;
1672         elen = strlen(end);
1673         slen = strlen(str);
1674         if(elen > slen) return 1;
1675         tmp = str + slen - elen;
1676         return strcmp(tmp, end);
1677 }