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