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 *pkeyopts = 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_new_null();
 310                         if (!pkeyopts || !sk_push(pkeyopts, *(++argv)))
 311                                 goto bad;
 312                         }
 313                 else if (strcmp(*argv,"-batch") == 0)
 314                         batch=1;
 315                 else if (strcmp(*argv,"-newhdr") == 0)
 316                         newhdr=1;
 317                 else if (strcmp(*argv,"-modulus") == 0)
 318                         modulus=1;
 319                 else if (strcmp(*argv,"-verify") == 0)
 320                         verify=1;
 321                 else if (strcmp(*argv,"-nodes") == 0)
 322                         nodes=1;
 323                 else if (strcmp(*argv,"-noout") == 0)
 324                         noout=1;
 325                 else if (strcmp(*argv,"-verbose") == 0)
 326                         verbose=1;
 327                 else if (strcmp(*argv,"-utf8") == 0)
 328                         chtype = MBSTRING_UTF8;
 329                 else if (strcmp(*argv,"-nameopt") == 0)
 330                         {
 331                         if (--argc < 1) goto bad;
 332                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 333                         }
 334                 else if (strcmp(*argv,"-reqopt") == 0)
 335                         {
 336                         if (--argc < 1) goto bad;
 337                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 338                         }
 339                 else if (strcmp(*argv,"-subject") == 0)
 340                         subject=1;
 341                 else if (strcmp(*argv,"-text") == 0)
 342                         text=1;
 343                 else if (strcmp(*argv,"-x509") == 0)
 344                         x509=1;
 345                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 346                         kludge=1;
 347                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 348                         kludge=0;
 349                 else if (strcmp(*argv,"-subj") == 0)
 350                         {
 351                         if (--argc < 1) goto bad;
 352                         subj= *(++argv);
 353                         }
 354                 else if (strcmp(*argv,"-multivalue-rdn") == 0)
 355                         multirdn=1;
 356                 else if (strcmp(*argv,"-days") == 0)
 357                         {
 358                         if (--argc < 1) goto bad;
 359                         days= atoi(*(++argv));
 360                         if (days == 0) days=30;
 361                         }
 362                 else if (strcmp(*argv,"-set_serial") == 0)
 363                         {
 364                         if (--argc < 1) goto bad;
 365                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 366                         if (!serial) goto bad;
 367                         }
 368                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 369                         {
 370                         /* ok */
 371                         digest=md_alg;
 372                         }
 373                 else if (strcmp(*argv,"-extensions") == 0)
 374                         {
 375                         if (--argc < 1) goto bad;
 376                         extensions = *(++argv);
 377                         }
 378                 else if (strcmp(*argv,"-reqexts") == 0)
 379                         {
 380                         if (--argc < 1) goto bad;
 381                         req_exts = *(++argv);
 382                         }
 383                 else
 384                         {
 385                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 386                         badops=1;
 387                         break;
 388                         }
 389                 argc--;
 390                 argv++;
 391                 }
 392
 393         if (badops)
 394                 {
 395 bad:
 396                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 397                 BIO_printf(bio_err,"where options  are\n");
 398                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 399                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 400                 BIO_printf(bio_err," -in arg        input file\n");
 401                 BIO_printf(bio_err," -out arg       output file\n");
 402                 BIO_printf(bio_err," -text          text form of request\n");
 403                 BIO_printf(bio_err," -pubkey        output public key\n");
 404                 BIO_printf(bio_err," -noout         do not output REQ\n");
 405                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 406                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 407                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 408 #ifndef OPENSSL_NO_ENGINE
 409                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 410 #endif
 411                 BIO_printf(bio_err," -subject       output the request's subject\n");
 412                 BIO_printf(bio_err," -passin        private key password source\n");
 413                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 414                 BIO_printf(bio_err," -keyform arg   key file format\n");
 415                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 416                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 417                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 418                 BIO_printf(bio_err,"                the random number generator\n");
 419                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 420                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 421 #ifndef OPENSSL_NO_ECDSA
 422                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 423 #endif
 424                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 425                 BIO_printf(bio_err," -config file   request template file.\n");
 426                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 427                 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
 428                 BIO_printf(bio_err," -new           new request.\n");
 429                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 430                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 431                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 432                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 433                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 434                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 435                 BIO_printf(bio_err,"                have been reported as requiring\n");
 436                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 437                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 438                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 439                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 440                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 441                 goto end;
 442                 }
 443
 444         ERR_load_crypto_strings();
 445         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 446                 BIO_printf(bio_err, "Error getting passwords\n");
 447                 goto end;
 448         }
 449
 450 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 451         /* Lets load up our environment a little */
 452         p=getenv("OPENSSL_CONF");
 453         if (p == NULL)
 454                 p=getenv("SSLEAY_CONF");
 455         if (p == NULL)
 456                 p=to_free=make_config_name();
 457         default_config_file=p;
 458         config=NCONF_new(NULL);
 459         i=NCONF_load(config, p, &errline);
 460 #endif
 461
 462         if (template != NULL)
 463                 {
 464                 long errline = -1;
 465
 466                 if( verbose )
 467                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 468                 req_conf=NCONF_new(NULL);
 469                 i=NCONF_load(req_conf,template,&errline);
 470                 if (i == 0)
 471                         {
 472                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 473                         goto end;
 474                         }
 475                 }
 476         else
 477                 {
 478                 req_conf=config;
 479
 480                 if (req_conf == NULL)
 481                         {
 482                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 483                         if (newreq)
 484                                 goto end;
 485                         }
 486                 else if( verbose )
 487                         BIO_printf(bio_err,"Using configuration from %s\n",
 488                         default_config_file);
 489                 }
 490
 491         if (req_conf != NULL)
 492                 {
 493                 if (!load_config(bio_err, req_conf))
 494                         goto end;
 495                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 496                 if (p == NULL)
 497                         ERR_clear_error();
 498                 if (p != NULL)
 499                         {
 500                         BIO *oid_bio;
 501
 502                         oid_bio=BIO_new_file(p,"r");
 503                         if (oid_bio == NULL)
 504                                 {
 505                                 /*
 506                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 507                                 ERR_print_errors(bio_err);
 508                                 */
 509                                 }
 510                         else
 511                                 {
 512                                 OBJ_create_objects(oid_bio);
 513                                 BIO_free(oid_bio);
 514                                 }
 515                         }
 516                 }
 517         if(!add_oid_section(bio_err, req_conf)) goto end;
 518
 519         if (md_alg == NULL)
 520                 {
 521                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 522                 if (p == NULL)
 523                         ERR_clear_error();
 524                 if (p != NULL)
 525                         {
 526                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 527                                 digest=md_alg;
 528                         }
 529                 }
 530
 531         if (!extensions)
 532                 {
 533                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 534                 if (!extensions)
 535                         ERR_clear_error();
 536                 }
 537         if (extensions) {
 538                 /* Check syntax of file */
 539                 X509V3_CTX ctx;
 540                 X509V3_set_ctx_test(&ctx);
 541                 X509V3_set_nconf(&ctx, req_conf);
 542                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 543                         BIO_printf(bio_err,
 544                          "Error Loading extension section %s\n", extensions);
 545                         goto end;
 546                 }
 547         }
 548
 549         if(!passin)
 550                 {
 551                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 552                 if (!passin)
 553                         ERR_clear_error();
 554                 }
 555
 556         if(!passout)
 557                 {
 558                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 559                 if (!passout)
 560                         ERR_clear_error();
 561                 }
 562
 563         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 564         if (!p)
 565                 ERR_clear_error();
 566
 567         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 568                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 569                 goto end;
 570         }
 571
 572         if (chtype != MBSTRING_UTF8)
 573                 {
 574                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 575                 if (!p)
 576                         ERR_clear_error();
 577                 else if (!strcmp(p, "yes"))
 578                         chtype = MBSTRING_UTF8;
 579                 }
 580
 581
 582         if(!req_exts)
 583                 {
 584                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 585                 if (!req_exts)
 586                         ERR_clear_error();
 587                 }
 588         if(req_exts) {
 589                 /* Check syntax of file */
 590                 X509V3_CTX ctx;
 591                 X509V3_set_ctx_test(&ctx);
 592                 X509V3_set_nconf(&ctx, req_conf);
 593                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 594                         BIO_printf(bio_err,
 595                          "Error Loading request extension section %s\n",
 596                                                                 req_exts);
 597                         goto end;
 598                 }
 599         }
 600
 601         in=BIO_new(BIO_s_file());
 602         out=BIO_new(BIO_s_file());
 603         if ((in == NULL) || (out == NULL))
 604                 goto end;
 605
 606 #ifndef OPENSSL_NO_ENGINE
 607         e = setup_engine(bio_err, engine, 0);
 608 #endif
 609
 610         if (keyfile != NULL)
 611                 {
 612                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 613                         "Private Key");
 614                 if (!pkey)
 615                         {
 616                         /* load_key() has already printed an appropriate
 617                            message */
 618                         goto end;
 619                         }
 620                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 621                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 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 (keyalg)
 640                         {
 641                         genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
 642                                                         &keyalgstr, gen_eng);
 643                         if (!genctx)
 644                                 goto end;
 645                         }
 646
 647                 if (newkey <= 0)
 648                         {
 649                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 650                                 newkey=DEFAULT_KEY_LENGTH;
 651                         }
 652
 653                 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
 654                         {
 655                         BIO_printf(bio_err,"private key length is too short,\n");
 656                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 657                         goto end;
 658                         }
 659
 660                 if (!genctx)
 661                         {
 662                         genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
 663                                                         &keyalgstr, gen_eng);
 664                         if (!genctx)
 665                                 goto end;
 666                         }
 667
 668                 if (pkeyopts)
 669                         {
 670                         char *genopt;
 671                         for (i = 0; i < sk_num(pkeyopts); i++)
 672                                 {
 673                                 genopt = sk_value(pkeyopts, i);
 674                                 if (pkey_ctrl_string(genctx, genopt) <= 0)
 675                                         {
 676                                         BIO_printf(bio_err,
 677                                                 "parameter error \"%s\"\n",
 678                                                 genopt);
 679                                         ERR_print_errors(bio_err);
 680                                         goto end;
 681                                         }
 682                                 }
 683                         }
 684
 685                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 686                                 newkey, keyalgstr);
 687
 688                 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
 689                 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
 690
 691                 if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
 692                         {
 693                         BIO_puts(bio_err, "Error Generating Key\n");
 694                         goto end;
 695                         }
 696
 697                 EVP_PKEY_CTX_free(genctx);
 698                 genctx = NULL;
 699
 700                 app_RAND_write_file(randfile, bio_err);
 701
 702                 if (keyout == NULL)
 703                         {
 704                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 705                         if (keyout == NULL)
 706                                 ERR_clear_error();
 707                         }
 708
 709                 if (keyout == NULL)
 710                         {
 711                         BIO_printf(bio_err,"writing new private key to stdout\n");
 712                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 713 #ifdef OPENSSL_SYS_VMS
 714                         {
 715                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 716                         out = BIO_push(tmpbio, out);
 717                         }
 718 #endif
 719                         }
 720                 else
 721                         {
 722                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 723                         if (BIO_write_filename(out,keyout) <= 0)
 724                                 {
 725                                 perror(keyout);
 726                                 goto end;
 727                                 }
 728                         }
 729
 730                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 731                 if (p == NULL)
 732                         {
 733                         ERR_clear_error();
 734                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 735                         if (p == NULL)
 736                                 ERR_clear_error();
 737                         }
 738                 if ((p != NULL) && (strcmp(p,"no") == 0))
 739                         cipher=NULL;
 740                 if (nodes) cipher=NULL;
 741
 742                 i=0;
 743 loop:
 744                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 745                         NULL,0,NULL,passout))
 746                         {
 747                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 748                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 749                                 {
 750                                 ERR_clear_error();
 751                                 i++;
 752                                 goto loop;
 753                                 }
 754                         goto end;
 755                         }
 756                 BIO_printf(bio_err,"-----\n");
 757                 }
 758
 759         if (!newreq)
 760                 {
 761                 /* Since we are using a pre-existing certificate
 762                  * request, the kludge 'format' info should not be
 763                  * changed. */
 764                 kludge= -1;
 765                 if (infile == NULL)
 766                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 767                 else
 768                         {
 769                         if (BIO_read_filename(in,infile) <= 0)
 770                                 {
 771                                 perror(infile);
 772                                 goto end;
 773                                 }
 774                         }
 775
 776                 if      (informat == FORMAT_ASN1)
 777                         req=d2i_X509_REQ_bio(in,NULL);
 778                 else if (informat == FORMAT_PEM)
 779                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 780                 else
 781                         {
 782                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 783                         goto end;
 784                         }
 785                 if (req == NULL)
 786                         {
 787                         BIO_printf(bio_err,"unable to load X509 request\n");
 788                         goto end;
 789                         }
 790                 }
 791
 792         if (newreq || x509)
 793                 {
 794                 if (pkey == NULL)
 795                         {
 796                         BIO_printf(bio_err,"you need to specify a private key\n");
 797                         goto end;
 798                         }
 799
 800                 if (req == NULL)
 801                         {
 802                         req=X509_REQ_new();
 803                         if (req == NULL)
 804                                 {
 805                                 goto end;
 806                                 }
 807
 808                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 809                         subj=NULL; /* done processing '-subj' option */
 810                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 811                                 {
 812                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 813                                 req->req_info->attributes = NULL;
 814                                 }
 815                         if (!i)
 816                                 {
 817                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 818                                 goto end;
 819                                 }
 820                         }
 821                 if (x509)
 822                         {
 823                         EVP_PKEY *tmppkey;
 824                         X509V3_CTX ext_ctx;
 825                         if ((x509ss=X509_new()) == NULL) goto end;
 826
 827                         /* Set version to V3 */
 828                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 829                         if (serial)
 830                                 {
 831                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 832                                 }
 833                         else
 834                                 {
 835                                 if (!rand_serial(NULL,
 836                                         X509_get_serialNumber(x509ss)))
 837                                                 goto end;
 838                                 }
 839
 840                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 841                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 842                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 843                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 844                         tmppkey = X509_REQ_get_pubkey(req);
 845                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 846                         EVP_PKEY_free(tmppkey);
 847
 848                         /* Set up V3 context struct */
 849
 850                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 851                         X509V3_set_nconf(&ext_ctx, req_conf);
 852
 853                         /* Add extensions */
 854                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 855                                         &ext_ctx, extensions, x509ss))
 856                                 {
 857                                 BIO_printf(bio_err,
 858                                         "Error Loading extension section %s\n",
 859                                         extensions);
 860                                 goto end;
 861                                 }
 862
 863                         if (!(i=X509_sign(x509ss,pkey,digest)))
 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                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 888                                 {
 889                                 ERR_print_errors(bio_err);
 890                                 goto end;
 891                                 }
 892                         }
 893                 }
 894
 895         if (subj && x509)
 896                 {
 897                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 898                 goto end;
 899                 }
 900
 901         if (subj && !x509)
 902                 {
 903                 if (verbose)
 904                         {
 905                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 906                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 907                         }
 908
 909                 if (build_subject(req, subj, chtype, multirdn) == 0)
 910                         {
 911                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 912                         ex=1;
 913                         goto end;
 914                         }
 915
 916                 req->req_info->enc.modified = 1;
 917
 918                 if (verbose)
 919                         {
 920                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 921                         }
 922                 }
 923
 924         if (verify && !x509)
 925                 {
 926                 int tmp=0;
 927
 928                 if (pkey == NULL)
 929                         {
 930                         pkey=X509_REQ_get_pubkey(req);
 931                         tmp=1;
 932                         if (pkey == NULL) goto end;
 933                         }
 934
 935                 i=X509_REQ_verify(req,pkey);
 936                 if (tmp) {
 937                         EVP_PKEY_free(pkey);
 938                         pkey=NULL;
 939                 }
 940
 941                 if (i < 0)
 942                         {
 943                         goto end;
 944                         }
 945                 else if (i == 0)
 946                         {
 947                         BIO_printf(bio_err,"verify failure\n");
 948                         ERR_print_errors(bio_err);
 949                         }
 950                 else /* if (i > 0) */
 951                         BIO_printf(bio_err,"verify OK\n");
 952                 }
 953
 954         if (noout && !text && !modulus && !subject && !pubkey)
 955                 {
 956                 ex=0;
 957                 goto end;
 958                 }
 959
 960         if (outfile == NULL)
 961                 {
 962                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 963 #ifdef OPENSSL_SYS_VMS
 964                 {
 965                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 966                 out = BIO_push(tmpbio, out);
 967                 }
 968 #endif
 969                 }
 970         else
 971                 {
 972                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 973                         i=(int)BIO_append_filename(out,outfile);
 974                 else
 975                         i=(int)BIO_write_filename(out,outfile);
 976                 if (!i)
 977                         {
 978                         perror(outfile);
 979                         goto end;
 980                         }
 981                 }
 982
 983         if (pubkey)
 984                 {
 985                 EVP_PKEY *tpubkey;
 986                 tpubkey=X509_REQ_get_pubkey(req);
 987                 if (tpubkey == NULL)
 988                         {
 989                         BIO_printf(bio_err,"Error getting public key\n");
 990                         ERR_print_errors(bio_err);
 991                         goto end;
 992                         }
 993                 PEM_write_bio_PUBKEY(out, tpubkey);
 994                 EVP_PKEY_free(tpubkey);
 995                 }
 996
 997         if (text)
 998                 {
 999                 if (x509)
1000                         X509_print_ex(out, x509ss, nmflag, reqflag);
1001                 else
1002                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1003                 }
1004
1005         if(subject)
1006                 {
1007                 if(x509)
1008                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1009                 else
1010                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1011                 }
1012
1013         if (modulus)
1014                 {
1015                 EVP_PKEY *tpubkey;
1016
1017                 if (x509)
1018                         tpubkey=X509_get_pubkey(x509ss);
1019                 else
1020                         tpubkey=X509_REQ_get_pubkey(req);
1021                 if (tpubkey == NULL)
1022                         {
1023                         fprintf(stdout,"Modulus=unavailable\n");
1024                         goto end;
1025                         }
1026                 fprintf(stdout,"Modulus=");
1027 #ifndef OPENSSL_NO_RSA
1028                 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1029                         BN_print(out,tpubkey->pkey.rsa->n);
1030                 else
1031 #endif
1032                         fprintf(stdout,"Wrong Algorithm type");
1033                 EVP_PKEY_free(tpubkey);
1034                 fprintf(stdout,"\n");
1035                 }
1036
1037         if (!noout && !x509)
1038                 {
1039                 if      (outformat == FORMAT_ASN1)
1040                         i=i2d_X509_REQ_bio(out,req);
1041                 else if (outformat == FORMAT_PEM) {
1042                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1043                         else i=PEM_write_bio_X509_REQ(out,req);
1044                 } else {
1045                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1046                         goto end;
1047                         }
1048                 if (!i)
1049                         {
1050                         BIO_printf(bio_err,"unable to write X509 request\n");
1051                         goto end;
1052                         }
1053                 }
1054         if (!noout && x509 && (x509ss != NULL))
1055                 {
1056                 if      (outformat == FORMAT_ASN1)
1057                         i=i2d_X509_bio(out,x509ss);
1058                 else if (outformat == FORMAT_PEM)
1059                         i=PEM_write_bio_X509(out,x509ss);
1060                 else    {
1061                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1062                         goto end;
1063                         }
1064                 if (!i)
1065                         {
1066                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1067                         goto end;
1068                         }
1069                 }
1070         ex=0;
1071 end:
1072 #ifndef MONOLITH
1073         if(to_free)
1074                 OPENSSL_free(to_free);
1075 #endif
1076         if (ex)
1077                 {
1078                 ERR_print_errors(bio_err);
1079                 }
1080         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1081         BIO_free(in);
1082         BIO_free_all(out);
1083         EVP_PKEY_free(pkey);
1084         if (genctx)
1085                 EVP_PKEY_CTX_free(genctx);
1086         if (pkeyopts)
1087                 sk_free(pkeyopts);
1088 #ifndef OPENSSL_NO_ENGINE
1089         if (gen_eng)
1090                 ENGINE_free(gen_eng);
1091 #endif
1092         if (keyalgstr)
1093                 OPENSSL_free(keyalgstr);
1094         X509_REQ_free(req);
1095         X509_free(x509ss);
1096         ASN1_INTEGER_free(serial);
1097         if(passargin && passin) OPENSSL_free(passin);
1098         if(passargout && passout) OPENSSL_free(passout);
1099         OBJ_cleanup();
1100         apps_shutdown();
1101         OPENSSL_EXIT(ex);
1102         }
1103
1104 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1105                         int attribs, unsigned long chtype)
1106         {
1107         int ret=0,i;
1108         char no_prompt = 0;
1109         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1110         char *tmp, *dn_sect,*attr_sect;
1111
1112         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1113         if (tmp == NULL)
1114                 ERR_clear_error();
1115         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1116
1117         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1118         if (dn_sect == NULL)
1119                 {
1120                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1121                         DISTINGUISHED_NAME);
1122                 goto err;
1123                 }
1124         dn_sk=NCONF_get_section(req_conf,dn_sect);
1125         if (dn_sk == NULL)
1126                 {
1127                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1128                 goto err;
1129                 }
1130
1131         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1132         if (attr_sect == NULL)
1133                 {
1134                 ERR_clear_error();
1135                 attr_sk=NULL;
1136                 }
1137         else
1138                 {
1139                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1140                 if (attr_sk == NULL)
1141                         {
1142                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1143                         goto err;
1144                         }
1145                 }
1146
1147         /* setup version number */
1148         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1149
1150         if (no_prompt)
1151                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1152         else
1153                 {
1154                 if (subj)
1155                         i = build_subject(req, subj, chtype, multirdn);
1156                 else
1157                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1158                 }
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                                         n_min = -1;
1341
1342                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1343                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1344                                         n_max = -1;
1345
1346                                 if (!add_attribute_object(req,
1347                                         v->value,def,value,nid,n_min,n_max, chtype))
1348                                         return 0;
1349                                 }
1350                         }
1351                 }
1352         else
1353                 {
1354                 BIO_printf(bio_err,"No template, please set one up.\n");
1355                 return 0;
1356                 }
1357
1358         return 1;
1359
1360         }
1361
1362 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1363                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1364         {
1365         int i;
1366         char *p,*q;
1367         char *type;
1368         CONF_VALUE *v;
1369         X509_NAME *subj;
1370
1371         subj = X509_REQ_get_subject_name(req);
1372
1373         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1374                 {
1375                 int mval;
1376                 v=sk_CONF_VALUE_value(dn_sk,i);
1377                 p=q=NULL;
1378                 type=v->name;
1379                 /* Skip past any leading X. X: X, etc to allow for
1380                  * multiple instances
1381                  */
1382                 for(p = v->name; *p ; p++)
1383 #ifndef CHARSET_EBCDIC
1384                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1385 #else
1386                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1387 #endif
1388                                 p++;
1389                                 if(*p) type = p;
1390                                 break;
1391                         }
1392 #ifndef CHARSET_EBCDIC
1393                 if (*p == '+')
1394 #else
1395                 if (*p == os_toascii['+'])
1396 #endif
1397                         {
1398                         p++;
1399                         mval = -1;
1400                         }
1401                 else
1402                         mval = 0;
1403                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1404                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1405
1406                 }
1407
1408                 if (!X509_NAME_entry_count(subj))
1409                         {
1410                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1411                         return 0;
1412                         }
1413                 if (attribs)
1414                         {
1415                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1416                                 {
1417                                 v=sk_CONF_VALUE_value(attr_sk,i);
1418                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1419                                         (unsigned char *)v->value, -1)) return 0;
1420                                 }
1421                         }
1422         return 1;
1423         }
1424
1425
1426 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1427              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1428         {
1429         int i,ret=0;
1430         MS_STATIC char buf[1024];
1431 start:
1432         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1433         (void)BIO_flush(bio_err);
1434         if(value != NULL)
1435                 {
1436                 BUF_strlcpy(buf,value,sizeof buf);
1437                 BUF_strlcat(buf,"\n",sizeof buf);
1438                 BIO_printf(bio_err,"%s\n",value);
1439                 }
1440         else
1441                 {
1442                 buf[0]='\0';
1443                 if (!batch)
1444                         {
1445                         fgets(buf,sizeof buf,stdin);
1446                         }
1447                 else
1448                         {
1449                         buf[0] = '\n';
1450                         buf[1] = '\0';
1451                         }
1452                 }
1453
1454         if (buf[0] == '\0') return(0);
1455         else if (buf[0] == '\n')
1456                 {
1457                 if ((def == NULL) || (def[0] == '\0'))
1458                         return(1);
1459                 BUF_strlcpy(buf,def,sizeof buf);
1460                 BUF_strlcat(buf,"\n",sizeof buf);
1461                 }
1462         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1463
1464         i=strlen(buf);
1465         if (buf[i-1] != '\n')
1466                 {
1467                 BIO_printf(bio_err,"weird input :-(\n");
1468                 return(0);
1469                 }
1470         buf[--i]='\0';
1471 #ifdef CHARSET_EBCDIC
1472         ebcdic2ascii(buf, buf, i);
1473 #endif
1474         if(!req_check_len(i, n_min, n_max)) goto start;
1475         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1476                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1477         ret=1;
1478 err:
1479         return(ret);
1480         }
1481
1482 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1483                                 char *value, int nid, int n_min,
1484                                 int n_max, unsigned long chtype)
1485         {
1486         int i;
1487         static char buf[1024];
1488
1489 start:
1490         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1491         (void)BIO_flush(bio_err);
1492         if (value != NULL)
1493                 {
1494                 BUF_strlcpy(buf,value,sizeof buf);
1495                 BUF_strlcat(buf,"\n",sizeof buf);
1496                 BIO_printf(bio_err,"%s\n",value);
1497                 }
1498         else
1499                 {
1500                 buf[0]='\0';
1501                 if (!batch)
1502                         {
1503                         fgets(buf,sizeof buf,stdin);
1504                         }
1505                 else
1506                         {
1507                         buf[0] = '\n';
1508                         buf[1] = '\0';
1509                         }
1510                 }
1511
1512         if (buf[0] == '\0') return(0);
1513         else if (buf[0] == '\n')
1514                 {
1515                 if ((def == NULL) || (def[0] == '\0'))
1516                         return(1);
1517                 BUF_strlcpy(buf,def,sizeof buf);
1518                 BUF_strlcat(buf,"\n",sizeof buf);
1519                 }
1520         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1521
1522         i=strlen(buf);
1523         if (buf[i-1] != '\n')
1524                 {
1525                 BIO_printf(bio_err,"weird input :-(\n");
1526                 return(0);
1527                 }
1528         buf[--i]='\0';
1529 #ifdef CHARSET_EBCDIC
1530         ebcdic2ascii(buf, buf, i);
1531 #endif
1532         if(!req_check_len(i, n_min, n_max)) goto start;
1533
1534         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1535                                         (unsigned char *)buf, -1)) {
1536                 BIO_printf(bio_err, "Error adding attribute\n");
1537                 ERR_print_errors(bio_err);
1538                 goto err;
1539         }
1540
1541         return(1);
1542 err:
1543         return(0);
1544         }
1545
1546 static int req_check_len(int len, int n_min, int n_max)
1547         {
1548         if ((n_min > 0) && (len < n_min))
1549                 {
1550                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1551                 return(0);
1552                 }
1553         if ((n_max >= 0) && (len > n_max))
1554                 {
1555                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1556                 return(0);
1557                 }
1558         return(1);
1559         }
1560
1561 /* Check if the end of a string matches 'end' */
1562 static int check_end(const char *str, const char *end)
1563 {
1564         int elen, slen;
1565         const char *tmp;
1566         elen = strlen(end);
1567         slen = strlen(str);
1568         if(elen > slen) return 1;
1569         tmp = str + slen - elen;
1570         return strcmp(tmp, end);
1571 }
1572
1573 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1574                                         long *pkeylen, char **palgnam,
1575                                         ENGINE *keygen_engine)
1576         {
1577         EVP_PKEY_CTX *gctx = NULL;
1578         EVP_PKEY *param = NULL;
1579         long keylen = -1;
1580         BIO *pbio = NULL;
1581         const char *paramfile = NULL;
1582
1583         if (gstr == NULL)
1584                 {
1585                 *pkey_type = EVP_PKEY_RSA;
1586                 keylen = *pkeylen;
1587                 }
1588         else if (gstr[0] >= '0' && gstr[0] <= '9')
1589                 {
1590                 *pkey_type = EVP_PKEY_RSA;
1591                 keylen = atol(gstr);
1592                 *pkeylen = keylen;
1593                 }
1594         else if (!strncmp(gstr, "param:", 6))
1595                 paramfile = gstr + 6;
1596         else
1597                 {
1598                 const char *p = strchr(gstr, ':');
1599                 int len;
1600                 ENGINE *tmpeng;
1601                 const EVP_PKEY_ASN1_METHOD *ameth;
1602
1603                 if (p)
1604                         len = p - gstr;
1605                 else
1606                         len = strlen(gstr);
1607                 /* The lookup of a the string will cover all engines so
1608                  * keep a note of the implementation.
1609                  */
1610
1611                 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1612
1613                 if (!ameth)
1614                         {
1615                         BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1616                         return NULL;
1617                         }
1618
1619                 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1620                                                                         ameth);
1621 #ifndef OPENSSL_NO_ENGINE
1622                 if (tmpeng)
1623                         ENGINE_finish(tmpeng);
1624 #endif
1625                 if (*pkey_type == EVP_PKEY_RSA)
1626                         {
1627                         if (p)
1628                                 {
1629                                 keylen = atol(p + 1);
1630                                 *pkeylen = keylen;
1631                                 }
1632                         }
1633                 else if (p)
1634                         paramfile = p + 1;
1635                 }
1636
1637         if (paramfile)
1638                 {
1639                 pbio = BIO_new_file(paramfile, "r");
1640                 if (!pbio)
1641                         {
1642                         BIO_printf(err, "Can't open parameter file %s\n",
1643                                         paramfile);
1644                         return NULL;
1645                         }
1646                 param = PEM_read_bio_Parameters(pbio, NULL);
1647
1648                 if (!param)
1649                         {
1650                         X509 *x;
1651                         BIO_reset(pbio);
1652                         x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1653                         if (x)
1654                                 {
1655                                 param = X509_get_pubkey(x);
1656                                 X509_free(x);
1657                                 }
1658                         }
1659
1660                 BIO_free(pbio);
1661
1662                 if (!param)
1663                         {
1664                         BIO_printf(err, "Error reading parameter file %s\n",
1665                                         paramfile);
1666                         return NULL;
1667                         }
1668                 if (*pkey_type == -1)
1669                         *pkey_type = EVP_PKEY_id(param);
1670                 else if (*pkey_type != EVP_PKEY_base_id(param))
1671                         {
1672                         BIO_printf(err, "Key Type does not match parameters\n");
1673                         EVP_PKEY_free(param);
1674                         return NULL;
1675                         }
1676                 }
1677
1678         if (palgnam)
1679                 {
1680                 const EVP_PKEY_ASN1_METHOD *ameth;
1681                 ENGINE *tmpeng;
1682                 const char *anam;
1683                 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1684                 if (!ameth)
1685                         {
1686                         BIO_puts(err, "Internal error: can't find key algorithm\n");
1687                         return NULL;
1688                         }
1689                 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1690                 *palgnam = BUF_strdup(anam);
1691 #ifndef OPENSSL_NO_ENGINE
1692                 if (tmpeng)
1693                         ENGINE_finish(tmpeng);
1694 #endif
1695                 }
1696
1697         if (param)
1698                 {
1699                 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1700                 *pkeylen = EVP_PKEY_bits(param);
1701                 EVP_PKEY_free(param);
1702                 }
1703         else
1704                 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1705
1706         if (!gctx)
1707                 {
1708                 BIO_puts(err, "Error allocating keygen context\n");
1709                 ERR_print_errors(err);
1710                 return NULL;
1711                 }
1712
1713         if (EVP_PKEY_keygen_init(gctx) <= 0)
1714                 {
1715                 BIO_puts(err, "Error initializing keygen context\n");
1716                 ERR_print_errors(err);
1717                 return NULL;
1718                 }
1719
1720         if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1721                 {
1722                 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1723                         {
1724                         BIO_puts(err, "Error setting RSA keysize\n");
1725                         ERR_print_errors(err);
1726                         EVP_PKEY_CTX_free(gctx);
1727                         return NULL;
1728                         }
1729                 }
1730
1731         return gctx;
1732         }
1733
1734 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1735         {
1736         char c='*';
1737         BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1738         int p;
1739         p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1740         if (p == 0) c='.';
1741         if (p == 1) c='+';
1742         if (p == 2) c='*';
1743         if (p == 3) c='\n';
1744         BIO_write(b,&c,1);
1745         (void)BIO_flush(b);
1746 #ifdef LINT
1747         p=n;
1748 #endif
1749         return 1;
1750         }