apps/req.c

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