apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
  60  * deprecated functions for openssl-internal code */
  61 #ifdef OPENSSL_NO_DEPRECATED
  62 #undef OPENSSL_NO_DEPRECATED
  63 #endif
  64
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <time.h>
  68 #include <string.h>
  69 #ifdef OPENSSL_NO_STDIO
  70 #define APPS_WIN16
  71 #endif
  72 #include "apps.h"
  73 #include <openssl/bio.h>
  74 #include <openssl/evp.h>
  75 #include <openssl/conf.h>
  76 #include <openssl/err.h>
  77 #include <openssl/asn1.h>
  78 #include <openssl/x509.h>
  79 #include <openssl/x509v3.h>
  80 #include <openssl/objects.h>
  81 #include <openssl/pem.h>
  82 #include <openssl/bn.h>
  83 #ifndef OPENSSL_NO_RSA
  84 #include <openssl/rsa.h>
  85 #endif
  86 #ifndef OPENSSL_NO_DSA
  87 #include <openssl/dsa.h>
  88 #endif
  89
  90 #define SECTION         "req"
  91
  92 #define BITS            "default_bits"
  93 #define KEYFILE         "default_keyfile"
  94 #define PROMPT          "prompt"
  95 #define DISTINGUISHED_NAME      "distinguished_name"
  96 #define ATTRIBUTES      "attributes"
  97 #define V3_EXTENSIONS   "x509_extensions"
  98 #define REQ_EXTENSIONS  "req_extensions"
  99 #define STRING_MASK     "string_mask"
 100 #define UTF8_IN         "utf8"
 101
 102 #define DEFAULT_KEY_LENGTH      512
 103 #define MIN_KEY_LENGTH          384
 104
 105 #undef PROG
 106 #define PROG    req_main
 107
 108 /*-
 109  * -inform arg  - input format - default PEM (DER or PEM)
 110  * -outform arg - output format - default PEM
 111  * -in arg      - input file - default stdin
 112  * -out arg     - output file - default stdout
 113  * -verify      - check request signature
 114  * -noout       - don't print stuff out.
 115  * -text        - print out human readable text.
 116  * -nodes       - no des encryption
 117  * -config file - Load configuration file.
 118  * -key file    - make a request using key in file (or use it for verification).
 119  * -keyform arg - key file format.
 120  * -rand file(s) - load the file(s) into the PRNG.
 121  * -newkey      - make a key and a request.
 122  * -modulus     - print RSA modulus.
 123  * -pubkey      - output Public Key.
 124  * -x509        - output a self signed X509 structure instead.
 125  * -asn1-kludge - output new certificate request in a format that some CA's
 126  *                require.  This format is wrong
 127  */
 128
 129 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
 130                 int attribs,unsigned long chtype);
 131 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
 132                 int multirdn);
 133 static int prompt_info(X509_REQ *req,
 134                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 135                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 136                 unsigned long chtype);
 137 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 138                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 139                                 unsigned long chtype);
 140 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
 141                                 char *value, int nid, int n_min,
 142                                 int n_max, unsigned long chtype);
 143 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
 144         int nid,int n_min,int n_max, unsigned long chtype, int mval);
 145 static int genpkey_cb(EVP_PKEY_CTX *ctx);
 146 static int req_check_len(int len,int n_min,int n_max);
 147 static int check_end(const char *str, const char *end);
 148 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
 149                                         long *pkeylen, char **palgnam,
 150                                         ENGINE *keygen_engine);
 151 #ifndef MONOLITH
 152 static char *default_config_file=NULL;
 153 #endif
 154 static CONF *req_conf=NULL;
 155 static int batch=0;
 156
 157 int MAIN(int, char **);
 158
 159 int MAIN(int argc, char **argv)
 160         {
 161         ENGINE *e = NULL, *gen_eng = NULL;
 162         unsigned long nmflag = 0, reqflag = 0;
 163         int ex=1,x509=0,days=30;
 164         X509 *x509ss=NULL;
 165         X509_REQ *req=NULL;
 166         EVP_PKEY_CTX *genctx = NULL;
 167         const char *keyalg = NULL;
 168         char *keyalgstr = NULL;
 169         STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
 170         EVP_PKEY *pkey=NULL;
 171         int i=0,badops=0,newreq=0,verbose=0,pkey_type=-1;
 172         long newkey = -1;
 173         BIO *in=NULL,*out=NULL;
 174         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 175         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 176         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 177 #ifndef OPENSSL_NO_ENGINE
 178         char *engine=NULL;
 179 #endif
 180         char *extensions = NULL;
 181         char *req_exts = NULL;
 182         const EVP_CIPHER *cipher=NULL;
 183         ASN1_INTEGER *serial = NULL;
 184         int modulus=0;
 185         char *inrand=NULL;
 186         char *passargin = NULL, *passargout = NULL;
 187         char *passin = NULL, *passout = NULL;
 188         char *p;
 189         char *subj = NULL;
 190         int multirdn = 0;
 191         const EVP_MD *md_alg=NULL,*digest=NULL;
 192         unsigned long chtype = MBSTRING_ASC;
 193 #ifndef MONOLITH
 194         char *to_free;
 195         long errline;
 196 #endif
 197
 198         req_conf = NULL;
 199 #ifndef OPENSSL_NO_DES
 200         cipher=EVP_des_ede3_cbc();
 201 #endif
 202         apps_startup();
 203
 204         if (bio_err == NULL)
 205                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 206                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 207
 208         infile=NULL;
 209         outfile=NULL;
 210         informat=FORMAT_PEM;
 211         outformat=FORMAT_PEM;
 212
 213         prog=argv[0];
 214         argc--;
 215         argv++;
 216         while (argc >= 1)
 217                 {
 218                 if      (strcmp(*argv,"-inform") == 0)
 219                         {
 220                         if (--argc < 1) goto bad;
 221                         informat=str2fmt(*(++argv));
 222                         }
 223                 else if (strcmp(*argv,"-outform") == 0)
 224                         {
 225                         if (--argc < 1) goto bad;
 226                         outformat=str2fmt(*(++argv));
 227                         }
 228 #ifndef OPENSSL_NO_ENGINE
 229                 else if (strcmp(*argv,"-engine") == 0)
 230                         {
 231                         if (--argc < 1) goto bad;
 232                         engine= *(++argv);
 233                         }
 234                 else if (strcmp(*argv,"-keygen_engine") == 0)
 235                         {
 236                         if (--argc < 1) goto bad;
 237                         gen_eng = ENGINE_by_id(*(++argv));
 238                         if (gen_eng == NULL)
 239                                 {
 240                                 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
 241                                 goto end;
 242                                 }
 243                         }
 244 #endif
 245                 else if (strcmp(*argv,"-key") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         keyfile= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-pubkey") == 0)
 251                         {
 252                         pubkey=1;
 253                         }
 254                 else if (strcmp(*argv,"-new") == 0)
 255                         {
 256                         newreq=1;
 257                         }
 258                 else if (strcmp(*argv,"-config") == 0)
 259                         {
 260                         if (--argc < 1) goto bad;
 261                         template= *(++argv);
 262                         }
 263                 else if (strcmp(*argv,"-keyform") == 0)
 264                         {
 265                         if (--argc < 1) goto bad;
 266                         keyform=str2fmt(*(++argv));
 267                         }
 268                 else if (strcmp(*argv,"-in") == 0)
 269                         {
 270                         if (--argc < 1) goto bad;
 271                         infile= *(++argv);
 272                         }
 273                 else if (strcmp(*argv,"-out") == 0)
 274                         {
 275                         if (--argc < 1) goto bad;
 276                         outfile= *(++argv);
 277                         }
 278                 else if (strcmp(*argv,"-keyout") == 0)
 279                         {
 280                         if (--argc < 1) goto bad;
 281                         keyout= *(++argv);
 282                         }
 283                 else if (strcmp(*argv,"-passin") == 0)
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         passargin= *(++argv);
 287                         }
 288                 else if (strcmp(*argv,"-passout") == 0)
 289                         {
 290                         if (--argc < 1) goto bad;
 291                         passargout= *(++argv);
 292                         }
 293                 else if (strcmp(*argv,"-rand") == 0)
 294                         {
 295                         if (--argc < 1) goto bad;
 296                         inrand= *(++argv);
 297                         }
 298                 else if (strcmp(*argv,"-newkey") == 0)
 299                         {
 300                         if (--argc < 1)
 301                                 goto bad;
 302                         keyalg = *(++argv);
 303                         newreq=1;
 304                         }
 305                 else if (strcmp(*argv,"-pkeyopt") == 0)
 306                         {
 307                         if (--argc < 1)
 308                                 goto bad;
 309                         if (!pkeyopts)
 310                                 pkeyopts = sk_OPENSSL_STRING_new_null();
 311                         if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
 312                                 goto bad;
 313                         }
 314                 else if (strcmp(*argv,"-sigopt") == 0)
 315                         {
 316                         if (--argc < 1)
 317                                 goto bad;
 318                         if (!sigopts)
 319                                 sigopts = sk_OPENSSL_STRING_new_null();
 320                         if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
 321                                 goto bad;
 322                         }
 323                 else if (strcmp(*argv,"-batch") == 0)
 324                         batch=1;
 325                 else if (strcmp(*argv,"-newhdr") == 0)
 326                         newhdr=1;
 327                 else if (strcmp(*argv,"-modulus") == 0)
 328                         modulus=1;
 329                 else if (strcmp(*argv,"-verify") == 0)
 330                         verify=1;
 331                 else if (strcmp(*argv,"-nodes") == 0)
 332                         nodes=1;
 333                 else if (strcmp(*argv,"-noout") == 0)
 334                         noout=1;
 335                 else if (strcmp(*argv,"-verbose") == 0)
 336                         verbose=1;
 337                 else if (strcmp(*argv,"-utf8") == 0)
 338                         chtype = MBSTRING_UTF8;
 339                 else if (strcmp(*argv,"-nameopt") == 0)
 340                         {
 341                         if (--argc < 1) goto bad;
 342                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 343                         }
 344                 else if (strcmp(*argv,"-reqopt") == 0)
 345                         {
 346                         if (--argc < 1) goto bad;
 347                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 348                         }
 349                 else if (strcmp(*argv,"-subject") == 0)
 350                         subject=1;
 351                 else if (strcmp(*argv,"-text") == 0)
 352                         text=1;
 353                 else if (strcmp(*argv,"-x509") == 0)
 354                         x509=1;
 355                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 356                         kludge=1;
 357                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 358                         kludge=0;
 359                 else if (strcmp(*argv,"-subj") == 0)
 360                         {
 361                         if (--argc < 1) goto bad;
 362                         subj= *(++argv);
 363                         }
 364                 else if (strcmp(*argv,"-multivalue-rdn") == 0)
 365                         multirdn=1;
 366                 else if (strcmp(*argv,"-days") == 0)
 367                         {
 368                         if (--argc < 1) goto bad;
 369                         days= atoi(*(++argv));
 370                         if (days == 0) days=30;
 371                         }
 372                 else if (strcmp(*argv,"-set_serial") == 0)
 373                         {
 374                         if (--argc < 1) goto bad;
 375                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 376                         if (!serial) goto bad;
 377                         }
 378                 else if (strcmp(*argv,"-extensions") == 0)
 379                         {
 380                         if (--argc < 1) goto bad;
 381                         extensions = *(++argv);
 382                         }
 383                 else if (strcmp(*argv,"-reqexts") == 0)
 384                         {
 385                         if (--argc < 1) goto bad;
 386                         req_exts = *(++argv);
 387                         }
 388                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 389                         {
 390                         /* ok */
 391                         digest=md_alg;
 392                         }
 393                 else
 394                         {
 395                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 396                         badops=1;
 397                         break;
 398                         }
 399                 argc--;
 400                 argv++;
 401                 }
 402
 403         if (badops)
 404                 {
 405 bad:
 406                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 407                 BIO_printf(bio_err,"where options  are\n");
 408                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 409                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 410                 BIO_printf(bio_err," -in arg        input file\n");
 411                 BIO_printf(bio_err," -out arg       output file\n");
 412                 BIO_printf(bio_err," -text          text form of request\n");
 413                 BIO_printf(bio_err," -pubkey        output public key\n");
 414                 BIO_printf(bio_err," -noout         do not output REQ\n");
 415                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 416                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 417                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 418 #ifndef OPENSSL_NO_ENGINE
 419                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 420 #endif
 421                 BIO_printf(bio_err," -subject       output the request's subject\n");
 422                 BIO_printf(bio_err," -passin        private key password source\n");
 423                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 424                 BIO_printf(bio_err," -keyform arg   key file format\n");
 425                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 426                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 427                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 428                 BIO_printf(bio_err,"                the random number generator\n");
 429                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 430                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 431 #ifndef OPENSSL_NO_ECDSA
 432                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 433 #endif
 434                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 435                 BIO_printf(bio_err," -config file   request template file.\n");
 436                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 437                 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
 438                 BIO_printf(bio_err," -new           new request.\n");
 439                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 440                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 441                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 442                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 443                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 444                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 445                 BIO_printf(bio_err,"                have been reported as requiring\n");
 446                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 447                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 448                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 449                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 450                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 451                 goto end;
 452                 }
 453
 454         ERR_load_crypto_strings();
 455         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 456                 BIO_printf(bio_err, "Error getting passwords\n");
 457                 goto end;
 458         }
 459
 460 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 461         /* Lets load up our environment a little */
 462         p=getenv("OPENSSL_CONF");
 463         if (p == NULL)
 464                 p=getenv("SSLEAY_CONF");
 465         if (p == NULL)
 466                 p=to_free=make_config_name();
 467         default_config_file=p;
 468         config=NCONF_new(NULL);
 469         i=NCONF_load(config, p, &errline);
 470 #endif
 471
 472         if (template != NULL)
 473                 {
 474                 long errline = -1;
 475
 476                 if( verbose )
 477                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 478                 req_conf=NCONF_new(NULL);
 479                 i=NCONF_load(req_conf,template,&errline);
 480                 if (i == 0)
 481                         {
 482                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 483                         goto end;
 484                         }
 485                 }
 486         else
 487                 {
 488                 req_conf=config;
 489
 490                 if (req_conf == NULL)
 491                         {
 492                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 493                         if (newreq)
 494                                 goto end;
 495                         }
 496                 else if( verbose )
 497                         BIO_printf(bio_err,"Using configuration from %s\n",
 498                         default_config_file);
 499                 }
 500
 501         if (req_conf != NULL)
 502                 {
 503                 if (!load_config(bio_err, req_conf))
 504                         goto end;
 505                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 506                 if (p == NULL)
 507                         ERR_clear_error();
 508                 if (p != NULL)
 509                         {
 510                         BIO *oid_bio;
 511
 512                         oid_bio=BIO_new_file(p,"r");
 513                         if (oid_bio == NULL)
 514                                 {
 515                                 /*-
 516                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 517                                 ERR_print_errors(bio_err);
 518                                 */
 519                                 }
 520                         else
 521                                 {
 522                                 OBJ_create_objects(oid_bio);
 523                                 BIO_free(oid_bio);
 524                                 }
 525                         }
 526                 }
 527         if(!add_oid_section(bio_err, req_conf)) goto end;
 528
 529         if (md_alg == NULL)
 530                 {
 531                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 532                 if (p == NULL)
 533                         ERR_clear_error();
 534                 if (p != NULL)
 535                         {
 536                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 537                                 digest=md_alg;
 538                         }
 539                 }
 540
 541         if (!extensions)
 542                 {
 543                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 544                 if (!extensions)
 545                         ERR_clear_error();
 546                 }
 547         if (extensions) {
 548                 /* Check syntax of file */
 549                 X509V3_CTX ctx;
 550                 X509V3_set_ctx_test(&ctx);
 551                 X509V3_set_nconf(&ctx, req_conf);
 552                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 553                         BIO_printf(bio_err,
 554                          "Error Loading extension section %s\n", extensions);
 555                         goto end;
 556                 }
 557         }
 558
 559         if(!passin)
 560                 {
 561                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 562                 if (!passin)
 563                         ERR_clear_error();
 564                 }
 565
 566         if(!passout)
 567                 {
 568                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 569                 if (!passout)
 570                         ERR_clear_error();
 571                 }
 572
 573         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 574         if (!p)
 575                 ERR_clear_error();
 576
 577         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 578                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 579                 goto end;
 580         }
 581
 582         if (chtype != MBSTRING_UTF8)
 583                 {
 584                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 585                 if (!p)
 586                         ERR_clear_error();
 587                 else if (!strcmp(p, "yes"))
 588                         chtype = MBSTRING_UTF8;
 589                 }
 590
 591
 592         if(!req_exts)
 593                 {
 594                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 595                 if (!req_exts)
 596                         ERR_clear_error();
 597                 }
 598         if(req_exts) {
 599                 /* Check syntax of file */
 600                 X509V3_CTX ctx;
 601                 X509V3_set_ctx_test(&ctx);
 602                 X509V3_set_nconf(&ctx, req_conf);
 603                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 604                         BIO_printf(bio_err,
 605                          "Error Loading request extension section %s\n",
 606                                                                 req_exts);
 607                         goto end;
 608                 }
 609         }
 610
 611         in=BIO_new(BIO_s_file());
 612         out=BIO_new(BIO_s_file());
 613         if ((in == NULL) || (out == NULL))
 614                 goto end;
 615
 616 #ifndef OPENSSL_NO_ENGINE
 617         e = setup_engine(bio_err, engine, 0);
 618 #endif
 619
 620         if (keyfile != NULL)
 621                 {
 622                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 623                         "Private Key");
 624                 if (!pkey)
 625                         {
 626                         /* load_key() has already printed an appropriate
 627                            message */
 628                         goto end;
 629                         }
 630                 else
 631                         {
 632                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 633                         if (randfile == NULL)
 634                                 ERR_clear_error();
 635                         app_RAND_load_file(randfile, bio_err, 0);
 636                         }
 637                 }
 638
 639         if (newreq && (pkey == NULL))
 640                 {
 641                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 642                 if (randfile == NULL)
 643                         ERR_clear_error();
 644                 app_RAND_load_file(randfile, bio_err, 0);
 645                 if (inrand)
 646                         app_RAND_load_files(inrand);
 647
 648                 if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 649                         {
 650                         newkey=DEFAULT_KEY_LENGTH;
 651                         }
 652
 653                 if (keyalg)
 654                         {
 655                         genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
 656                                                         &keyalgstr, gen_eng);
 657                         if (!genctx)
 658                                 goto end;
 659                         }
 660
 661                 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
 662                         {
 663                         BIO_printf(bio_err,"private key length is too short,\n");
 664                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 665                         goto end;
 666                         }
 667
 668                 if (!genctx)
 669                         {
 670                         genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
 671                                                         &keyalgstr, gen_eng);
 672                         if (!genctx)
 673                                 goto end;
 674                         }
 675
 676                 if (pkeyopts)
 677                         {
 678                         char *genopt;
 679                         for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++)
 680                                 {
 681                                 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
 682                                 if (pkey_ctrl_string(genctx, genopt) <= 0)
 683                                         {
 684                                         BIO_printf(bio_err,
 685                                                 "parameter error \"%s\"\n",
 686                                                 genopt);
 687                                         ERR_print_errors(bio_err);
 688                                         goto end;
 689                                         }
 690                                 }
 691                         }
 692
 693                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 694                                 newkey, keyalgstr);
 695
 696                 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
 697                 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
 698
 699                 if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
 700                         {
 701                         BIO_puts(bio_err, "Error Generating Key\n");
 702                         goto end;
 703                         }
 704
 705                 EVP_PKEY_CTX_free(genctx);
 706                 genctx = NULL;
 707
 708                 app_RAND_write_file(randfile, bio_err);
 709
 710                 if (keyout == NULL)
 711                         {
 712                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 713                         if (keyout == NULL)
 714                                 ERR_clear_error();
 715                         }
 716
 717                 if (keyout == NULL)
 718                         {
 719                         BIO_printf(bio_err,"writing new private key to stdout\n");
 720                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 721 #ifdef OPENSSL_SYS_VMS
 722                         {
 723                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 724                         out = BIO_push(tmpbio, out);
 725                         }
 726 #endif
 727                         }
 728                 else
 729                         {
 730                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 731                         if (BIO_write_filename(out,keyout) <= 0)
 732                                 {
 733                                 perror(keyout);
 734                                 goto end;
 735                                 }
 736                         }
 737
 738                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 739                 if (p == NULL)
 740                         {
 741                         ERR_clear_error();
 742                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 743                         if (p == NULL)
 744                                 ERR_clear_error();
 745                         }
 746                 if ((p != NULL) && (strcmp(p,"no") == 0))
 747                         cipher=NULL;
 748                 if (nodes) cipher=NULL;
 749
 750                 i=0;
 751 loop:
 752                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 753                         NULL,0,NULL,passout))
 754                         {
 755                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 756                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 757                                 {
 758                                 ERR_clear_error();
 759                                 i++;
 760                                 goto loop;
 761                                 }
 762                         goto end;
 763                         }
 764                 BIO_printf(bio_err,"-----\n");
 765                 }
 766
 767         if (!newreq)
 768                 {
 769                 /* Since we are using a pre-existing certificate
 770                  * request, the kludge 'format' info should not be
 771                  * changed. */
 772                 kludge= -1;
 773                 if (infile == NULL)
 774                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 775                 else
 776                         {
 777                         if (BIO_read_filename(in,infile) <= 0)
 778                                 {
 779                                 perror(infile);
 780                                 goto end;
 781                                 }
 782                         }
 783
 784                 if      (informat == FORMAT_ASN1)
 785                         req=d2i_X509_REQ_bio(in,NULL);
 786                 else if (informat == FORMAT_PEM)
 787                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 788                 else
 789                         {
 790                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 791                         goto end;
 792                         }
 793                 if (req == NULL)
 794                         {
 795                         BIO_printf(bio_err,"unable to load X509 request\n");
 796                         goto end;
 797                         }
 798                 }
 799
 800         if (newreq || x509)
 801                 {
 802                 if (pkey == NULL)
 803                         {
 804                         BIO_printf(bio_err,"you need to specify a private key\n");
 805                         goto end;
 806                         }
 807
 808                 if (req == NULL)
 809                         {
 810                         req=X509_REQ_new();
 811                         if (req == NULL)
 812                                 {
 813                                 goto end;
 814                                 }
 815
 816                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 817                         subj=NULL; /* done processing '-subj' option */
 818                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 819                                 {
 820                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 821                                 req->req_info->attributes = NULL;
 822                                 }
 823                         if (!i)
 824                                 {
 825                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 826                                 goto end;
 827                                 }
 828                         }
 829                 if (x509)
 830                         {
 831                         EVP_PKEY *tmppkey;
 832                         X509V3_CTX ext_ctx;
 833                         if ((x509ss=X509_new()) == NULL) goto end;
 834
 835                         /* Set version to V3 */
 836                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 837                         if (serial)
 838                                 {
 839                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 840                                 }
 841                         else
 842                                 {
 843                                 if (!rand_serial(NULL,
 844                                         X509_get_serialNumber(x509ss)))
 845                                                 goto end;
 846                                 }
 847
 848                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 849                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 850                         if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end;
 851                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 852                         tmppkey = X509_REQ_get_pubkey(req);
 853                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 854                         EVP_PKEY_free(tmppkey);
 855
 856                         /* Set up V3 context struct */
 857
 858                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 859                         X509V3_set_nconf(&ext_ctx, req_conf);
 860
 861                         /* Add extensions */
 862                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 863                                         &ext_ctx, extensions, x509ss))
 864                                 {
 865                                 BIO_printf(bio_err,
 866                                         "Error Loading extension section %s\n",
 867                                         extensions);
 868                                 goto end;
 869                                 }
 870
 871                         i=do_X509_sign(bio_err, x509ss, pkey, digest, sigopts);
 872                         if (!i)
 873                                 {
 874                                 ERR_print_errors(bio_err);
 875                                 goto end;
 876                                 }
 877                         }
 878                 else
 879                         {
 880                         X509V3_CTX ext_ctx;
 881
 882                         /* Set up V3 context struct */
 883
 884                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 885                         X509V3_set_nconf(&ext_ctx, req_conf);
 886
 887                         /* Add extensions */
 888                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 889                                         &ext_ctx, req_exts, req))
 890                                 {
 891                                 BIO_printf(bio_err,
 892                                         "Error Loading extension section %s\n",
 893                                         req_exts);
 894                                 goto end;
 895                                 }
 896                         i=do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts);
 897                         if (!i)
 898                                 {
 899                                 ERR_print_errors(bio_err);
 900                                 goto end;
 901                                 }
 902                         }
 903                 }
 904
 905         if (subj && x509)
 906                 {
 907                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 908                 goto end;
 909                 }
 910
 911         if (subj && !x509)
 912                 {
 913                 if (verbose)
 914                         {
 915                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 916                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 917                         }
 918
 919                 if (build_subject(req, subj, chtype, multirdn) == 0)
 920                         {
 921                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 922                         ex=1;
 923                         goto end;
 924                         }
 925
 926                 req->req_info->enc.modified = 1;
 927
 928                 if (verbose)
 929                         {
 930                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 931                         }
 932                 }
 933
 934         if (verify && !x509)
 935                 {
 936                 int tmp=0;
 937
 938                 if (pkey == NULL)
 939                         {
 940                         pkey=X509_REQ_get_pubkey(req);
 941                         tmp=1;
 942                         if (pkey == NULL) goto end;
 943                         }
 944
 945                 i=X509_REQ_verify(req,pkey);
 946                 if (tmp) {
 947                         EVP_PKEY_free(pkey);
 948                         pkey=NULL;
 949                 }
 950
 951                 if (i < 0)
 952                         {
 953                         goto end;
 954                         }
 955                 else if (i == 0)
 956                         {
 957                         BIO_printf(bio_err,"verify failure\n");
 958                         ERR_print_errors(bio_err);
 959                         }
 960                 else /* if (i > 0) */
 961                         BIO_printf(bio_err,"verify OK\n");
 962                 }
 963
 964         if (noout && !text && !modulus && !subject && !pubkey)
 965                 {
 966                 ex=0;
 967                 goto end;
 968                 }
 969
 970         if (outfile == NULL)
 971                 {
 972                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 973 #ifdef OPENSSL_SYS_VMS
 974                 {
 975                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 976                 out = BIO_push(tmpbio, out);
 977                 }
 978 #endif
 979                 }
 980         else
 981                 {
 982                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 983                         i=(int)BIO_append_filename(out,outfile);
 984                 else
 985                         i=(int)BIO_write_filename(out,outfile);
 986                 if (!i)
 987                         {
 988                         perror(outfile);
 989                         goto end;
 990                         }
 991                 }
 992
 993         if (pubkey)
 994                 {
 995                 EVP_PKEY *tpubkey;
 996                 tpubkey=X509_REQ_get_pubkey(req);
 997                 if (tpubkey == NULL)
 998                         {
 999                         BIO_printf(bio_err,"Error getting public key\n");
1000                         ERR_print_errors(bio_err);
1001                         goto end;
1002                         }
1003                 PEM_write_bio_PUBKEY(out, tpubkey);
1004                 EVP_PKEY_free(tpubkey);
1005                 }
1006
1007         if (text)
1008                 {
1009                 if (x509)
1010                         X509_print_ex(out, x509ss, nmflag, reqflag);
1011                 else
1012                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1013                 }
1014
1015         if(subject)
1016                 {
1017                 if(x509)
1018                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1019                 else
1020                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1021                 }
1022
1023         if (modulus)
1024                 {
1025                 EVP_PKEY *tpubkey;
1026
1027                 if (x509)
1028                         tpubkey=X509_get_pubkey(x509ss);
1029                 else
1030                         tpubkey=X509_REQ_get_pubkey(req);
1031                 if (tpubkey == NULL)
1032                         {
1033                         fprintf(stdout,"Modulus=unavailable\n");
1034                         goto end;
1035                         }
1036                 fprintf(stdout,"Modulus=");
1037 #ifndef OPENSSL_NO_RSA
1038                 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1039                         BN_print(out,tpubkey->pkey.rsa->n);
1040                 else
1041 #endif
1042                         fprintf(stdout,"Wrong Algorithm type");
1043                 EVP_PKEY_free(tpubkey);
1044                 fprintf(stdout,"\n");
1045                 }
1046
1047         if (!noout && !x509)
1048                 {
1049                 if      (outformat == FORMAT_ASN1)
1050                         i=i2d_X509_REQ_bio(out,req);
1051                 else if (outformat == FORMAT_PEM) {
1052                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1053                         else i=PEM_write_bio_X509_REQ(out,req);
1054                 } else {
1055                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1056                         goto end;
1057                         }
1058                 if (!i)
1059                         {
1060                         BIO_printf(bio_err,"unable to write X509 request\n");
1061                         goto end;
1062                         }
1063                 }
1064         if (!noout && x509 && (x509ss != NULL))
1065                 {
1066                 if      (outformat == FORMAT_ASN1)
1067                         i=i2d_X509_bio(out,x509ss);
1068                 else if (outformat == FORMAT_PEM)
1069                         i=PEM_write_bio_X509(out,x509ss);
1070                 else    {
1071                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1072                         goto end;
1073                         }
1074                 if (!i)
1075                         {
1076                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1077                         goto end;
1078                         }
1079                 }
1080         ex=0;
1081 end:
1082 #ifndef MONOLITH
1083         if(to_free)
1084                 OPENSSL_free(to_free);
1085 #endif
1086         if (ex)
1087                 {
1088                 ERR_print_errors(bio_err);
1089                 }
1090         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1091         BIO_free(in);
1092         BIO_free_all(out);
1093         EVP_PKEY_free(pkey);
1094         if (genctx)
1095                 EVP_PKEY_CTX_free(genctx);
1096         if (pkeyopts)
1097                 sk_OPENSSL_STRING_free(pkeyopts);
1098         if (sigopts)
1099                 sk_OPENSSL_STRING_free(sigopts);
1100 #ifndef OPENSSL_NO_ENGINE
1101         if (gen_eng)
1102                 ENGINE_free(gen_eng);
1103 #endif
1104         if (keyalgstr)
1105                 OPENSSL_free(keyalgstr);
1106         X509_REQ_free(req);
1107         X509_free(x509ss);
1108         ASN1_INTEGER_free(serial);
1109         if(passargin && passin) OPENSSL_free(passin);
1110         if(passargout && passout) OPENSSL_free(passout);
1111         OBJ_cleanup();
1112         apps_shutdown();
1113         OPENSSL_EXIT(ex);
1114         }
1115
1116 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1117                         int attribs, unsigned long chtype)
1118         {
1119         int ret=0,i;
1120         char no_prompt = 0;
1121         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1122         char *tmp, *dn_sect,*attr_sect;
1123
1124         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1125         if (tmp == NULL)
1126                 ERR_clear_error();
1127         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1128
1129         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1130         if (dn_sect == NULL)
1131                 {
1132                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1133                         DISTINGUISHED_NAME);
1134                 goto err;
1135                 }
1136         dn_sk=NCONF_get_section(req_conf,dn_sect);
1137         if (dn_sk == NULL)
1138                 {
1139                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1140                 goto err;
1141                 }
1142
1143         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1144         if (attr_sect == NULL)
1145                 {
1146                 ERR_clear_error();
1147                 attr_sk=NULL;
1148                 }
1149         else
1150                 {
1151                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1152                 if (attr_sk == NULL)
1153                         {
1154                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1155                         goto err;
1156                         }
1157                 }
1158
1159         /* setup version number */
1160         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1161
1162         if (no_prompt)
1163                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1164         else
1165                 {
1166                 if (subj)
1167                         i = build_subject(req, subj, chtype, multirdn);
1168                 else
1169                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1170                 }
1171         if(!i) goto err;
1172
1173         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1174
1175         ret=1;
1176 err:
1177         return(ret);
1178         }
1179
1180 /*
1181  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1182  * where characters may be escaped by \
1183  */
1184 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1185         {
1186         X509_NAME *n;
1187
1188         if (!(n = parse_name(subject, chtype, multirdn)))
1189                 return 0;
1190
1191         if (!X509_REQ_set_subject_name(req, n))
1192                 {
1193                 X509_NAME_free(n);
1194                 return 0;
1195                 }
1196         X509_NAME_free(n);
1197         return 1;
1198 }
1199
1200
1201 static int prompt_info(X509_REQ *req,
1202                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1203                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1204                 unsigned long chtype)
1205         {
1206         int i;
1207         char *p,*q;
1208         char buf[100];
1209         int nid, mval;
1210         long n_min,n_max;
1211         char *type, *value;
1212         const char *def;
1213         CONF_VALUE *v;
1214         X509_NAME *subj;
1215         subj = X509_REQ_get_subject_name(req);
1216
1217         if(!batch)
1218                 {
1219                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1220                 BIO_printf(bio_err,"into your certificate request.\n");
1221                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1222                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1223                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1224                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1225                 BIO_printf(bio_err,"-----\n");
1226                 }
1227
1228
1229         if (sk_CONF_VALUE_num(dn_sk))
1230                 {
1231                 i= -1;
1232 start:          for (;;)
1233                         {
1234                         i++;
1235                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1236
1237                         v=sk_CONF_VALUE_value(dn_sk,i);
1238                         p=q=NULL;
1239                         type=v->name;
1240                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1241                                 !check_end(type,"_default") ||
1242                                          !check_end(type,"_value")) continue;
1243                         /* Skip past any leading X. X: X, etc to allow for
1244                          * multiple instances
1245                          */
1246                         for(p = v->name; *p ; p++)
1247                                 if ((*p == ':') || (*p == ',') ||
1248                                                          (*p == '.')) {
1249                                         p++;
1250                                         if(*p) type = p;
1251                                         break;
1252                                 }
1253                         if (*type == '+')
1254                                 {
1255                                 mval = -1;
1256                                 type++;
1257                                 }
1258                         else
1259                                 mval = 0;
1260                         /* If OBJ not recognised ignore it */
1261                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1262                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1263                                 >= (int)sizeof(buf))
1264                            {
1265                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1266                            return 0;
1267                            }
1268
1269                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1270                                 {
1271                                 ERR_clear_error();
1272                                 def="";
1273                                 }
1274
1275                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1276                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1277                                 {
1278                                 ERR_clear_error();
1279                                 value=NULL;
1280                                 }
1281
1282                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1283                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1284                                 {
1285                                 ERR_clear_error();
1286                                 n_min = -1;
1287                                 }
1288
1289                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1290                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1291                                 {
1292                                 ERR_clear_error();
1293                                 n_max = -1;
1294                                 }
1295
1296                         if (!add_DN_object(subj,v->value,def,value,nid,
1297                                 n_min,n_max, chtype, mval))
1298                                 return 0;
1299                         }
1300                 if (X509_NAME_entry_count(subj) == 0)
1301                         {
1302                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1303                         return 0;
1304                         }
1305
1306                 if (attribs)
1307                         {
1308                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1309                                 {
1310                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1311                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1312                                 }
1313
1314                         i= -1;
1315 start2:                 for (;;)
1316                                 {
1317                                 i++;
1318                                 if ((attr_sk == NULL) ||
1319                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1320                                         break;
1321
1322                                 v=sk_CONF_VALUE_value(attr_sk,i);
1323                                 type=v->name;
1324                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1325                                         goto start2;
1326
1327                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1328                                         >= (int)sizeof(buf))
1329                                    {
1330                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1331                                    return 0;
1332                                    }
1333
1334                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1335                                         == NULL)
1336                                         {
1337                                         ERR_clear_error();
1338                                         def="";
1339                                         }
1340
1341
1342                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1343                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1344                                         == NULL)
1345                                         {
1346                                         ERR_clear_error();
1347                                         value=NULL;
1348                                         }
1349
1350                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1351                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1352                                         {
1353                                         ERR_clear_error();
1354                                         n_min = -1;
1355                                         }
1356
1357                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1358                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1359                                         {
1360                                         ERR_clear_error();
1361                                         n_max = -1;
1362                                         }
1363
1364                                 if (!add_attribute_object(req,
1365                                         v->value,def,value,nid,n_min,n_max, chtype))
1366                                         return 0;
1367                                 }
1368                         }
1369                 }
1370         else
1371                 {
1372                 BIO_printf(bio_err,"No template, please set one up.\n");
1373                 return 0;
1374                 }
1375
1376         return 1;
1377
1378         }
1379
1380 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1381                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1382         {
1383         int i;
1384         char *p,*q;
1385         char *type;
1386         CONF_VALUE *v;
1387         X509_NAME *subj;
1388
1389         subj = X509_REQ_get_subject_name(req);
1390
1391         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1392                 {
1393                 int mval;
1394                 v=sk_CONF_VALUE_value(dn_sk,i);
1395                 p=q=NULL;
1396                 type=v->name;
1397                 /* Skip past any leading X. X: X, etc to allow for
1398                  * multiple instances
1399                  */
1400                 for(p = v->name; *p ; p++)
1401 #ifndef CHARSET_EBCDIC
1402                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1403 #else
1404                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1405 #endif
1406                                 p++;
1407                                 if(*p) type = p;
1408                                 break;
1409                         }
1410 #ifndef CHARSET_EBCDIC
1411                 if (*p == '+')
1412 #else
1413                 if (*p == os_toascii['+'])
1414 #endif
1415                         {
1416                         p++;
1417                         mval = -1;
1418                         }
1419                 else
1420                         mval = 0;
1421                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1422                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1423
1424                 }
1425
1426                 if (!X509_NAME_entry_count(subj))
1427                         {
1428                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1429                         return 0;
1430                         }
1431                 if (attribs)
1432                         {
1433                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1434                                 {
1435                                 v=sk_CONF_VALUE_value(attr_sk,i);
1436                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1437                                         (unsigned char *)v->value, -1)) return 0;
1438                                 }
1439                         }
1440         return 1;
1441         }
1442
1443
1444 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1445              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1446         {
1447         int i,ret=0;
1448         MS_STATIC char buf[1024];
1449 start:
1450         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1451         (void)BIO_flush(bio_err);
1452         if(value != NULL)
1453                 {
1454                 BUF_strlcpy(buf,value,sizeof buf);
1455                 BUF_strlcat(buf,"\n",sizeof buf);
1456                 BIO_printf(bio_err,"%s\n",value);
1457                 }
1458         else
1459                 {
1460                 buf[0]='\0';
1461                 if (!batch)
1462                         {
1463                         if (!fgets(buf,sizeof buf,stdin))
1464                                 return 0;
1465                         }
1466                 else
1467                         {
1468                         buf[0] = '\n';
1469                         buf[1] = '\0';
1470                         }
1471                 }
1472
1473         if (buf[0] == '\0') return(0);
1474         else if (buf[0] == '\n')
1475                 {
1476                 if ((def == NULL) || (def[0] == '\0'))
1477                         return(1);
1478                 BUF_strlcpy(buf,def,sizeof buf);
1479                 BUF_strlcat(buf,"\n",sizeof buf);
1480                 }
1481         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1482
1483         i=strlen(buf);
1484         if (buf[i-1] != '\n')
1485                 {
1486                 BIO_printf(bio_err,"weird input :-(\n");
1487                 return(0);
1488                 }
1489         buf[--i]='\0';
1490 #ifdef CHARSET_EBCDIC
1491         ebcdic2ascii(buf, buf, i);
1492 #endif
1493         if(!req_check_len(i, n_min, n_max))
1494                 {
1495                 if (batch || value)
1496                         return 0;
1497                 goto start;
1498                 }
1499
1500         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1501                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1502         ret=1;
1503 err:
1504         return(ret);
1505         }
1506
1507 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1508                                 char *value, int nid, int n_min,
1509                                 int n_max, unsigned long chtype)
1510         {
1511         int i;
1512         static char buf[1024];
1513
1514 start:
1515         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1516         (void)BIO_flush(bio_err);
1517         if (value != NULL)
1518                 {
1519                 BUF_strlcpy(buf,value,sizeof buf);
1520                 BUF_strlcat(buf,"\n",sizeof buf);
1521                 BIO_printf(bio_err,"%s\n",value);
1522                 }
1523         else
1524                 {
1525                 buf[0]='\0';
1526                 if (!batch)
1527                         {
1528                         if (!fgets(buf,sizeof buf,stdin))
1529                                 return 0;
1530                         }
1531                 else
1532                         {
1533                         buf[0] = '\n';
1534                         buf[1] = '\0';
1535                         }
1536                 }
1537
1538         if (buf[0] == '\0') return(0);
1539         else if (buf[0] == '\n')
1540                 {
1541                 if ((def == NULL) || (def[0] == '\0'))
1542                         return(1);
1543                 BUF_strlcpy(buf,def,sizeof buf);
1544                 BUF_strlcat(buf,"\n",sizeof buf);
1545                 }
1546         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1547
1548         i=strlen(buf);
1549         if (buf[i-1] != '\n')
1550                 {
1551                 BIO_printf(bio_err,"weird input :-(\n");
1552                 return(0);
1553                 }
1554         buf[--i]='\0';
1555 #ifdef CHARSET_EBCDIC
1556         ebcdic2ascii(buf, buf, i);
1557 #endif
1558         if(!req_check_len(i, n_min, n_max))
1559                 {
1560                 if (batch || value)
1561                         return 0;
1562                 goto start;
1563                 }
1564
1565         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1566                                         (unsigned char *)buf, -1)) {
1567                 BIO_printf(bio_err, "Error adding attribute\n");
1568                 ERR_print_errors(bio_err);
1569                 goto err;
1570         }
1571
1572         return(1);
1573 err:
1574         return(0);
1575         }
1576
1577 static int req_check_len(int len, int n_min, int n_max)
1578         {
1579         if ((n_min > 0) && (len < n_min))
1580                 {
1581                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1582                 return(0);
1583                 }
1584         if ((n_max >= 0) && (len > n_max))
1585                 {
1586                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1587                 return(0);
1588                 }
1589         return(1);
1590         }
1591
1592 /* Check if the end of a string matches 'end' */
1593 static int check_end(const char *str, const char *end)
1594 {
1595         int elen, slen;
1596         const char *tmp;
1597         elen = strlen(end);
1598         slen = strlen(str);
1599         if(elen > slen) return 1;
1600         tmp = str + slen - elen;
1601         return strcmp(tmp, end);
1602 }
1603
1604 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1605                                         long *pkeylen, char **palgnam,
1606                                         ENGINE *keygen_engine)
1607         {
1608         EVP_PKEY_CTX *gctx = NULL;
1609         EVP_PKEY *param = NULL;
1610         long keylen = -1;
1611         BIO *pbio = NULL;
1612         const char *paramfile = NULL;
1613
1614         if (gstr == NULL)
1615                 {
1616                 *pkey_type = EVP_PKEY_RSA;
1617                 keylen = *pkeylen;
1618                 }
1619         else if (gstr[0] >= '0' && gstr[0] <= '9')
1620                 {
1621                 *pkey_type = EVP_PKEY_RSA;
1622                 keylen = atol(gstr);
1623                 *pkeylen = keylen;
1624                 }
1625         else if (!strncmp(gstr, "param:", 6))
1626                 paramfile = gstr + 6;
1627         else
1628                 {
1629                 const char *p = strchr(gstr, ':');
1630                 int len;
1631                 ENGINE *tmpeng;
1632                 const EVP_PKEY_ASN1_METHOD *ameth;
1633
1634                 if (p)
1635                         len = p - gstr;
1636                 else
1637                         len = strlen(gstr);
1638                 /* The lookup of a the string will cover all engines so
1639                  * keep a note of the implementation.
1640                  */
1641
1642                 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1643
1644                 if (!ameth)
1645                         {
1646                         BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1647                         return NULL;
1648                         }
1649
1650                 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1651                                                                         ameth);
1652 #ifndef OPENSSL_NO_ENGINE
1653                 if (tmpeng)
1654                         ENGINE_finish(tmpeng);
1655 #endif
1656                 if (*pkey_type == EVP_PKEY_RSA)
1657                         {
1658                         if (p)
1659                                 {
1660                                 keylen = atol(p + 1);
1661                                 *pkeylen = keylen;
1662                                 }
1663                         else
1664                                 keylen = *pkeylen;
1665                         }
1666                 else if (p)
1667                         paramfile = p + 1;
1668                 }
1669
1670         if (paramfile)
1671                 {
1672                 pbio = BIO_new_file(paramfile, "r");
1673                 if (!pbio)
1674                         {
1675                         BIO_printf(err, "Can't open parameter file %s\n",
1676                                         paramfile);
1677                         return NULL;
1678                         }
1679                 param = PEM_read_bio_Parameters(pbio, NULL);
1680
1681                 if (!param)
1682                         {
1683                         X509 *x;
1684                         (void)BIO_reset(pbio);
1685                         x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1686                         if (x)
1687                                 {
1688                                 param = X509_get_pubkey(x);
1689                                 X509_free(x);
1690                                 }
1691                         }
1692
1693                 BIO_free(pbio);
1694
1695                 if (!param)
1696                         {
1697                         BIO_printf(err, "Error reading parameter file %s\n",
1698                                         paramfile);
1699                         return NULL;
1700                         }
1701                 if (*pkey_type == -1)
1702                         *pkey_type = EVP_PKEY_id(param);
1703                 else if (*pkey_type != EVP_PKEY_base_id(param))
1704                         {
1705                         BIO_printf(err, "Key Type does not match parameters\n");
1706                         EVP_PKEY_free(param);
1707                         return NULL;
1708                         }
1709                 }
1710
1711         if (palgnam)
1712                 {
1713                 const EVP_PKEY_ASN1_METHOD *ameth;
1714                 ENGINE *tmpeng;
1715                 const char *anam;
1716                 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1717                 if (!ameth)
1718                         {
1719                         BIO_puts(err, "Internal error: can't find key algorithm\n");
1720                         return NULL;
1721                         }
1722                 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1723                 *palgnam = BUF_strdup(anam);
1724 #ifndef OPENSSL_NO_ENGINE
1725                 if (tmpeng)
1726                         ENGINE_finish(tmpeng);
1727 #endif
1728                 }
1729
1730         if (param)
1731                 {
1732                 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1733                 *pkeylen = EVP_PKEY_bits(param);
1734                 EVP_PKEY_free(param);
1735                 }
1736         else
1737                 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1738
1739         if (!gctx)
1740                 {
1741                 BIO_puts(err, "Error allocating keygen context\n");
1742                 ERR_print_errors(err);
1743                 return NULL;
1744                 }
1745
1746         if (EVP_PKEY_keygen_init(gctx) <= 0)
1747                 {
1748                 BIO_puts(err, "Error initializing keygen context\n");
1749                 ERR_print_errors(err);
1750                 return NULL;
1751                 }
1752 #ifndef OPENSSL_NO_RSA
1753         if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1754                 {
1755                 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1756                         {
1757                         BIO_puts(err, "Error setting RSA keysize\n");
1758                         ERR_print_errors(err);
1759                         EVP_PKEY_CTX_free(gctx);
1760                         return NULL;
1761                         }
1762                 }
1763 #endif
1764
1765         return gctx;
1766         }
1767
1768 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1769         {
1770         char c='*';
1771         BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1772         int p;
1773         p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1774         if (p == 0) c='.';
1775         if (p == 1) c='+';
1776         if (p == 2) c='*';
1777         if (p == 3) c='\n';
1778         BIO_write(b,&c,1);
1779         (void)BIO_flush(b);
1780 #ifdef LINT
1781         p=n;
1782 #endif
1783         return 1;
1784         }
1785
1786 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1787                         const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1788         {
1789         EVP_PKEY_CTX *pkctx = NULL;
1790         int i;
1791         EVP_MD_CTX_init(ctx);
1792         if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1793                 return 0;
1794         for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
1795                 {
1796                 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1797                 if (pkey_ctrl_string(pkctx, sigopt) <= 0)
1798                         {
1799                         BIO_printf(err, "parameter error \"%s\"\n", sigopt);
1800                         ERR_print_errors(bio_err);
1801                         return 0;
1802                         }
1803                 }
1804         return 1;
1805         }
1806
1807 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1808                         STACK_OF(OPENSSL_STRING) *sigopts)
1809         {
1810         int rv;
1811         EVP_MD_CTX mctx;
1812         EVP_MD_CTX_init(&mctx);
1813         rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1814         if (rv > 0)
1815                 rv = X509_sign_ctx(x, &mctx);
1816         EVP_MD_CTX_cleanup(&mctx);
1817         return rv > 0 ? 1 : 0;
1818         }
1819
1820
1821 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1822                         STACK_OF(OPENSSL_STRING) *sigopts)
1823         {
1824         int rv;
1825         EVP_MD_CTX mctx;
1826         EVP_MD_CTX_init(&mctx);
1827         rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1828         if (rv > 0)
1829                 rv = X509_REQ_sign_ctx(x, &mctx);
1830         EVP_MD_CTX_cleanup(&mctx);
1831         return rv > 0 ? 1 : 0;
1832         }
1833
1834
1835
1836 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1837                         STACK_OF(OPENSSL_STRING) *sigopts)
1838         {
1839         int rv;
1840         EVP_MD_CTX mctx;
1841         EVP_MD_CTX_init(&mctx);
1842         rv = do_sign_init(err, &mctx, pkey, md, sigopts);
1843         if (rv > 0)
1844                 rv = X509_CRL_sign_ctx(x, &mctx);
1845         EVP_MD_CTX_cleanup(&mctx);
1846         return rv > 0 ? 1 : 0;
1847         }
1848
1849