apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
  60  * deprecated functions for openssl-internal code */
  61 #ifdef OPENSSL_NO_DEPRECATED
  62 #undef OPENSSL_NO_DEPRECATED
  63 #endif
  64
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <time.h>
  68 #include <string.h>
  69 #ifdef OPENSSL_NO_STDIO
  70 #define APPS_WIN16
  71 #endif
  72 #include "apps.h"
  73 #include <openssl/bio.h>
  74 #include <openssl/evp.h>
  75 #include <openssl/conf.h>
  76 #include <openssl/err.h>
  77 #include <openssl/asn1.h>
  78 #include <openssl/x509.h>
  79 #include <openssl/x509v3.h>
  80 #include <openssl/objects.h>
  81 #include <openssl/pem.h>
  82 #include <openssl/bn.h>
  83 #ifndef OPENSSL_NO_RSA
  84 #include <openssl/rsa.h>
  85 #endif
  86 #ifndef OPENSSL_NO_DSA
  87 #include <openssl/dsa.h>
  88 #endif
  89
  90 #define SECTION         "req"
  91
  92 #define BITS            "default_bits"
  93 #define KEYFILE         "default_keyfile"
  94 #define PROMPT          "prompt"
  95 #define DISTINGUISHED_NAME      "distinguished_name"
  96 #define ATTRIBUTES      "attributes"
  97 #define V3_EXTENSIONS   "x509_extensions"
  98 #define REQ_EXTENSIONS  "req_extensions"
  99 #define STRING_MASK     "string_mask"
 100 #define UTF8_IN         "utf8"
 101
 102 #define DEFAULT_KEY_LENGTH      512
 103 #define MIN_KEY_LENGTH          384
 104
 105 #undef PROG
 106 #define PROG    req_main
 107
 108 /* -inform arg  - input format - default PEM (DER or PEM)
 109  * -outform arg - output format - default PEM
 110  * -in arg      - input file - default stdin
 111  * -out arg     - output file - default stdout
 112  * -verify      - check request signature
 113  * -noout       - don't print stuff out.
 114  * -text        - print out human readable text.
 115  * -nodes       - no des encryption
 116  * -config file - Load configuration file.
 117  * -key file    - make a request using key in file (or use it for verification).
 118  * -keyform arg - key file format.
 119  * -rand file(s) - load the file(s) into the PRNG.
 120  * -newkey      - make a key and a request.
 121  * -modulus     - print RSA modulus.
 122  * -pubkey      - output Public Key.
 123  * -x509        - output a self signed X509 structure instead.
 124  * -asn1-kludge - output new certificate request in a format that some CA's
 125  *                require.  This format is wrong
 126  */
 127
 128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
 129                 int attribs,unsigned long chtype);
 130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
 131                 int multirdn);
 132 static int prompt_info(X509_REQ *req,
 133                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 134                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 135                 unsigned long chtype);
 136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 137                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 138                                 unsigned long chtype);
 139 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
 140                                 char *value, int nid, int n_min,
 141                                 int n_max, unsigned long chtype);
 142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
 143         int nid,int n_min,int n_max, unsigned long chtype, int mval);
 144 static int genpkey_cb(EVP_PKEY_CTX *ctx);
 145 static int req_check_len(int len,int n_min,int n_max);
 146 static int check_end(const char *str, const char *end);
 147 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
 148                                         long *pkeylen, char **palgnam,
 149                                         ENGINE *keygen_engine);
 150 #ifndef MONOLITH
 151 static char *default_config_file=NULL;
 152 #endif
 153 static CONF *req_conf=NULL;
 154 static int batch=0;
 155
 156 int MAIN(int, char **);
 157
 158 int MAIN(int argc, char **argv)
 159         {
 160         ENGINE *e = NULL, *gen_eng = NULL;
 161         unsigned long nmflag = 0, reqflag = 0;
 162         int ex=1,x509=0,days=30;
 163         X509 *x509ss=NULL;
 164         X509_REQ *req=NULL;
 165         EVP_PKEY_CTX *genctx = NULL;
 166         const char *keyalg = NULL;
 167         char *keyalgstr = NULL;
 168         STACK_OF(OPENSSL_STRING) *pkeyopts = NULL;
 169         EVP_PKEY *pkey=NULL;
 170         int i=0,badops=0,newreq=0,verbose=0,pkey_type=-1;
 171         long newkey = -1;
 172         BIO *in=NULL,*out=NULL;
 173         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 174         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 175         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 176 #ifndef OPENSSL_NO_ENGINE
 177         char *engine=NULL;
 178 #endif
 179         char *extensions = NULL;
 180         char *req_exts = NULL;
 181         const EVP_CIPHER *cipher=NULL;
 182         ASN1_INTEGER *serial = NULL;
 183         int modulus=0;
 184         char *inrand=NULL;
 185         char *passargin = NULL, *passargout = NULL;
 186         char *passin = NULL, *passout = NULL;
 187         char *p;
 188         char *subj = NULL;
 189         int multirdn = 0;
 190         const EVP_MD *md_alg=NULL,*digest=NULL;
 191         unsigned long chtype = MBSTRING_ASC;
 192 #ifndef MONOLITH
 193         char *to_free;
 194         long errline;
 195 #endif
 196
 197         req_conf = NULL;
 198 #ifndef OPENSSL_NO_DES
 199         cipher=EVP_des_ede3_cbc();
 200 #endif
 201         apps_startup();
 202
 203         if (bio_err == NULL)
 204                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 205                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 206
 207         infile=NULL;
 208         outfile=NULL;
 209         informat=FORMAT_PEM;
 210         outformat=FORMAT_PEM;
 211
 212         prog=argv[0];
 213         argc--;
 214         argv++;
 215         while (argc >= 1)
 216                 {
 217                 if      (strcmp(*argv,"-inform") == 0)
 218                         {
 219                         if (--argc < 1) goto bad;
 220                         informat=str2fmt(*(++argv));
 221                         }
 222                 else if (strcmp(*argv,"-outform") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         outformat=str2fmt(*(++argv));
 226                         }
 227 #ifndef OPENSSL_NO_ENGINE
 228                 else if (strcmp(*argv,"-engine") == 0)
 229                         {
 230                         if (--argc < 1) goto bad;
 231                         engine= *(++argv);
 232                         }
 233                 else if (strcmp(*argv,"-keygen_engine") == 0)
 234                         {
 235                         if (--argc < 1) goto bad;
 236                         gen_eng = ENGINE_by_id(*(++argv));
 237                         if (gen_eng == NULL)
 238                                 {
 239                                 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
 240                                 goto end;
 241                                 }
 242                         }
 243 #endif
 244                 else if (strcmp(*argv,"-key") == 0)
 245                         {
 246                         if (--argc < 1) goto bad;
 247                         keyfile= *(++argv);
 248                         }
 249                 else if (strcmp(*argv,"-pubkey") == 0)
 250                         {
 251                         pubkey=1;
 252                         }
 253                 else if (strcmp(*argv,"-new") == 0)
 254                         {
 255                         newreq=1;
 256                         }
 257                 else if (strcmp(*argv,"-config") == 0)
 258                         {
 259                         if (--argc < 1) goto bad;
 260                         template= *(++argv);
 261                         }
 262                 else if (strcmp(*argv,"-keyform") == 0)
 263                         {
 264                         if (--argc < 1) goto bad;
 265                         keyform=str2fmt(*(++argv));
 266                         }
 267                 else if (strcmp(*argv,"-in") == 0)
 268                         {
 269                         if (--argc < 1) goto bad;
 270                         infile= *(++argv);
 271                         }
 272                 else if (strcmp(*argv,"-out") == 0)
 273                         {
 274                         if (--argc < 1) goto bad;
 275                         outfile= *(++argv);
 276                         }
 277                 else if (strcmp(*argv,"-keyout") == 0)
 278                         {
 279                         if (--argc < 1) goto bad;
 280                         keyout= *(++argv);
 281                         }
 282                 else if (strcmp(*argv,"-passin") == 0)
 283                         {
 284                         if (--argc < 1) goto bad;
 285                         passargin= *(++argv);
 286                         }
 287                 else if (strcmp(*argv,"-passout") == 0)
 288                         {
 289                         if (--argc < 1) goto bad;
 290                         passargout= *(++argv);
 291                         }
 292                 else if (strcmp(*argv,"-rand") == 0)
 293                         {
 294                         if (--argc < 1) goto bad;
 295                         inrand= *(++argv);
 296                         }
 297                 else if (strcmp(*argv,"-newkey") == 0)
 298                         {
 299                         if (--argc < 1)
 300                                 goto bad;
 301                         keyalg = *(++argv);
 302                         newreq=1;
 303                         }
 304                 else if (strcmp(*argv,"-pkeyopt") == 0)
 305                         {
 306                         if (--argc < 1)
 307                                 goto bad;
 308                         if (!pkeyopts)
 309                                 pkeyopts = sk_OPENSSL_STRING_new_null();
 310                         if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv)))
 311                                 goto bad;
 312                         }
 313                 else if (strcmp(*argv,"-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 (strcmp(*argv,"-extensions") == 0)
 369                         {
 370                         if (--argc < 1) goto bad;
 371                         extensions = *(++argv);
 372                         }
 373                 else if (strcmp(*argv,"-reqexts") == 0)
 374                         {
 375                         if (--argc < 1) goto bad;
 376                         req_exts = *(++argv);
 377                         }
 378                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 379                         {
 380                         /* ok */
 381                         digest=md_alg;
 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                 else
 621                         {
 622                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 623                         if (randfile == NULL)
 624                                 ERR_clear_error();
 625                         app_RAND_load_file(randfile, bio_err, 0);
 626                         }
 627                 }
 628
 629         if (newreq && (pkey == NULL))
 630                 {
 631                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 632                 if (randfile == NULL)
 633                         ERR_clear_error();
 634                 app_RAND_load_file(randfile, bio_err, 0);
 635                 if (inrand)
 636                         app_RAND_load_files(inrand);
 637
 638                 if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 639                         {
 640                         newkey=DEFAULT_KEY_LENGTH;
 641                         }
 642
 643                 if (keyalg)
 644                         {
 645                         genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey,
 646                                                         &keyalgstr, gen_eng);
 647                         if (!genctx)
 648                                 goto end;
 649                         }
 650
 651                 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
 652                         {
 653                         BIO_printf(bio_err,"private key length is too short,\n");
 654                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 655                         goto end;
 656                         }
 657
 658                 if (!genctx)
 659                         {
 660                         genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey,
 661                                                         &keyalgstr, gen_eng);
 662                         if (!genctx)
 663                                 goto end;
 664                         }
 665
 666                 if (pkeyopts)
 667                         {
 668                         char *genopt;
 669                         for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++)
 670                                 {
 671                                 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
 672                                 if (pkey_ctrl_string(genctx, genopt) <= 0)
 673                                         {
 674                                         BIO_printf(bio_err,
 675                                                 "parameter error \"%s\"\n",
 676                                                 genopt);
 677                                         ERR_print_errors(bio_err);
 678                                         goto end;
 679                                         }
 680                                 }
 681                         }
 682
 683                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 684                                 newkey, keyalgstr);
 685
 686                 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
 687                 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
 688
 689                 if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
 690                         {
 691                         BIO_puts(bio_err, "Error Generating Key\n");
 692                         goto end;
 693                         }
 694
 695                 EVP_PKEY_CTX_free(genctx);
 696                 genctx = NULL;
 697
 698                 app_RAND_write_file(randfile, bio_err);
 699
 700                 if (keyout == NULL)
 701                         {
 702                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 703                         if (keyout == NULL)
 704                                 ERR_clear_error();
 705                         }
 706
 707                 if (keyout == NULL)
 708                         {
 709                         BIO_printf(bio_err,"writing new private key to stdout\n");
 710                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 711 #ifdef OPENSSL_SYS_VMS
 712                         {
 713                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 714                         out = BIO_push(tmpbio, out);
 715                         }
 716 #endif
 717                         }
 718                 else
 719                         {
 720                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 721                         if (BIO_write_filename(out,keyout) <= 0)
 722                                 {
 723                                 perror(keyout);
 724                                 goto end;
 725                                 }
 726                         }
 727
 728                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 729                 if (p == NULL)
 730                         {
 731                         ERR_clear_error();
 732                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 733                         if (p == NULL)
 734                                 ERR_clear_error();
 735                         }
 736                 if ((p != NULL) && (strcmp(p,"no") == 0))
 737                         cipher=NULL;
 738                 if (nodes) cipher=NULL;
 739
 740                 i=0;
 741 loop:
 742                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 743                         NULL,0,NULL,passout))
 744                         {
 745                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 746                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 747                                 {
 748                                 ERR_clear_error();
 749                                 i++;
 750                                 goto loop;
 751                                 }
 752                         goto end;
 753                         }
 754                 BIO_printf(bio_err,"-----\n");
 755                 }
 756
 757         if (!newreq)
 758                 {
 759                 /* Since we are using a pre-existing certificate
 760                  * request, the kludge 'format' info should not be
 761                  * changed. */
 762                 kludge= -1;
 763                 if (infile == NULL)
 764                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 765                 else
 766                         {
 767                         if (BIO_read_filename(in,infile) <= 0)
 768                                 {
 769                                 perror(infile);
 770                                 goto end;
 771                                 }
 772                         }
 773
 774                 if      (informat == FORMAT_ASN1)
 775                         req=d2i_X509_REQ_bio(in,NULL);
 776                 else if (informat == FORMAT_PEM)
 777                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 778                 else
 779                         {
 780                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 781                         goto end;
 782                         }
 783                 if (req == NULL)
 784                         {
 785                         BIO_printf(bio_err,"unable to load X509 request\n");
 786                         goto end;
 787                         }
 788                 }
 789
 790         if (newreq || x509)
 791                 {
 792                 if (pkey == NULL)
 793                         {
 794                         BIO_printf(bio_err,"you need to specify a private key\n");
 795                         goto end;
 796                         }
 797
 798                 if (req == NULL)
 799                         {
 800                         req=X509_REQ_new();
 801                         if (req == NULL)
 802                                 {
 803                                 goto end;
 804                                 }
 805
 806                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 807                         subj=NULL; /* done processing '-subj' option */
 808                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 809                                 {
 810                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 811                                 req->req_info->attributes = NULL;
 812                                 }
 813                         if (!i)
 814                                 {
 815                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 816                                 goto end;
 817                                 }
 818                         }
 819                 if (x509)
 820                         {
 821                         EVP_PKEY *tmppkey;
 822                         X509V3_CTX ext_ctx;
 823                         if ((x509ss=X509_new()) == NULL) goto end;
 824
 825                         /* Set version to V3 */
 826                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 827                         if (serial)
 828                                 {
 829                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 830                                 }
 831                         else
 832                                 {
 833                                 if (!rand_serial(NULL,
 834                                         X509_get_serialNumber(x509ss)))
 835                                                 goto end;
 836                                 }
 837
 838                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 839                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 840                         if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end;
 841                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 842                         tmppkey = X509_REQ_get_pubkey(req);
 843                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 844                         EVP_PKEY_free(tmppkey);
 845
 846                         /* Set up V3 context struct */
 847
 848                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 849                         X509V3_set_nconf(&ext_ctx, req_conf);
 850
 851                         /* Add extensions */
 852                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 853                                         &ext_ctx, extensions, x509ss))
 854                                 {
 855                                 BIO_printf(bio_err,
 856                                         "Error Loading extension section %s\n",
 857                                         extensions);
 858                                 goto end;
 859                                 }
 860
 861                         if (!(i=X509_sign(x509ss,pkey,digest)))
 862                                 {
 863                                 ERR_print_errors(bio_err);
 864                                 goto end;
 865                                 }
 866                         }
 867                 else
 868                         {
 869                         X509V3_CTX ext_ctx;
 870
 871                         /* Set up V3 context struct */
 872
 873                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 874                         X509V3_set_nconf(&ext_ctx, req_conf);
 875
 876                         /* Add extensions */
 877                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 878                                         &ext_ctx, req_exts, req))
 879                                 {
 880                                 BIO_printf(bio_err,
 881                                         "Error Loading extension section %s\n",
 882                                         req_exts);
 883                                 goto end;
 884                                 }
 885                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 886                                 {
 887                                 ERR_print_errors(bio_err);
 888                                 goto end;
 889                                 }
 890                         }
 891                 }
 892
 893         if (subj && x509)
 894                 {
 895                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 896                 goto end;
 897                 }
 898
 899         if (subj && !x509)
 900                 {
 901                 if (verbose)
 902                         {
 903                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 904                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 905                         }
 906
 907                 if (build_subject(req, subj, chtype, multirdn) == 0)
 908                         {
 909                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 910                         ex=1;
 911                         goto end;
 912                         }
 913
 914                 req->req_info->enc.modified = 1;
 915
 916                 if (verbose)
 917                         {
 918                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 919                         }
 920                 }
 921
 922         if (verify && !x509)
 923                 {
 924                 int tmp=0;
 925
 926                 if (pkey == NULL)
 927                         {
 928                         pkey=X509_REQ_get_pubkey(req);
 929                         tmp=1;
 930                         if (pkey == NULL) goto end;
 931                         }
 932
 933                 i=X509_REQ_verify(req,pkey);
 934                 if (tmp) {
 935                         EVP_PKEY_free(pkey);
 936                         pkey=NULL;
 937                 }
 938
 939                 if (i < 0)
 940                         {
 941                         goto end;
 942                         }
 943                 else if (i == 0)
 944                         {
 945                         BIO_printf(bio_err,"verify failure\n");
 946                         ERR_print_errors(bio_err);
 947                         }
 948                 else /* if (i > 0) */
 949                         BIO_printf(bio_err,"verify OK\n");
 950                 }
 951
 952         if (noout && !text && !modulus && !subject && !pubkey)
 953                 {
 954                 ex=0;
 955                 goto end;
 956                 }
 957
 958         if (outfile == NULL)
 959                 {
 960                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 961 #ifdef OPENSSL_SYS_VMS
 962                 {
 963                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 964                 out = BIO_push(tmpbio, out);
 965                 }
 966 #endif
 967                 }
 968         else
 969                 {
 970                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 971                         i=(int)BIO_append_filename(out,outfile);
 972                 else
 973                         i=(int)BIO_write_filename(out,outfile);
 974                 if (!i)
 975                         {
 976                         perror(outfile);
 977                         goto end;
 978                         }
 979                 }
 980
 981         if (pubkey)
 982                 {
 983                 EVP_PKEY *tpubkey;
 984                 tpubkey=X509_REQ_get_pubkey(req);
 985                 if (tpubkey == NULL)
 986                         {
 987                         BIO_printf(bio_err,"Error getting public key\n");
 988                         ERR_print_errors(bio_err);
 989                         goto end;
 990                         }
 991                 PEM_write_bio_PUBKEY(out, tpubkey);
 992                 EVP_PKEY_free(tpubkey);
 993                 }
 994
 995         if (text)
 996                 {
 997                 if (x509)
 998                         X509_print_ex(out, x509ss, nmflag, reqflag);
 999                 else
1000                         X509_REQ_print_ex(out, req, nmflag, reqflag);
1001                 }
1002
1003         if(subject)
1004                 {
1005                 if(x509)
1006                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1007                 else
1008                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1009                 }
1010
1011         if (modulus)
1012                 {
1013                 EVP_PKEY *tpubkey;
1014
1015                 if (x509)
1016                         tpubkey=X509_get_pubkey(x509ss);
1017                 else
1018                         tpubkey=X509_REQ_get_pubkey(req);
1019                 if (tpubkey == NULL)
1020                         {
1021                         fprintf(stdout,"Modulus=unavailable\n");
1022                         goto end;
1023                         }
1024                 fprintf(stdout,"Modulus=");
1025 #ifndef OPENSSL_NO_RSA
1026                 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1027                         BN_print(out,tpubkey->pkey.rsa->n);
1028                 else
1029 #endif
1030                         fprintf(stdout,"Wrong Algorithm type");
1031                 EVP_PKEY_free(tpubkey);
1032                 fprintf(stdout,"\n");
1033                 }
1034
1035         if (!noout && !x509)
1036                 {
1037                 if      (outformat == FORMAT_ASN1)
1038                         i=i2d_X509_REQ_bio(out,req);
1039                 else if (outformat == FORMAT_PEM) {
1040                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1041                         else i=PEM_write_bio_X509_REQ(out,req);
1042                 } else {
1043                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1044                         goto end;
1045                         }
1046                 if (!i)
1047                         {
1048                         BIO_printf(bio_err,"unable to write X509 request\n");
1049                         goto end;
1050                         }
1051                 }
1052         if (!noout && x509 && (x509ss != NULL))
1053                 {
1054                 if      (outformat == FORMAT_ASN1)
1055                         i=i2d_X509_bio(out,x509ss);
1056                 else if (outformat == FORMAT_PEM)
1057                         i=PEM_write_bio_X509(out,x509ss);
1058                 else    {
1059                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1060                         goto end;
1061                         }
1062                 if (!i)
1063                         {
1064                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1065                         goto end;
1066                         }
1067                 }
1068         ex=0;
1069 end:
1070 #ifndef MONOLITH
1071         if(to_free)
1072                 OPENSSL_free(to_free);
1073 #endif
1074         if (ex)
1075                 {
1076                 ERR_print_errors(bio_err);
1077                 }
1078         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1079         BIO_free(in);
1080         BIO_free_all(out);
1081         EVP_PKEY_free(pkey);
1082         if (genctx)
1083                 EVP_PKEY_CTX_free(genctx);
1084         if (pkeyopts)
1085                 sk_OPENSSL_STRING_free(pkeyopts);
1086 #ifndef OPENSSL_NO_ENGINE
1087         if (gen_eng)
1088                 ENGINE_free(gen_eng);
1089 #endif
1090         if (keyalgstr)
1091                 OPENSSL_free(keyalgstr);
1092         X509_REQ_free(req);
1093         X509_free(x509ss);
1094         ASN1_INTEGER_free(serial);
1095         if(passargin && passin) OPENSSL_free(passin);
1096         if(passargout && passout) OPENSSL_free(passout);
1097         OBJ_cleanup();
1098         apps_shutdown();
1099         OPENSSL_EXIT(ex);
1100         }
1101
1102 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1103                         int attribs, unsigned long chtype)
1104         {
1105         int ret=0,i;
1106         char no_prompt = 0;
1107         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1108         char *tmp, *dn_sect,*attr_sect;
1109
1110         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1111         if (tmp == NULL)
1112                 ERR_clear_error();
1113         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1114
1115         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1116         if (dn_sect == NULL)
1117                 {
1118                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1119                         DISTINGUISHED_NAME);
1120                 goto err;
1121                 }
1122         dn_sk=NCONF_get_section(req_conf,dn_sect);
1123         if (dn_sk == NULL)
1124                 {
1125                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1126                 goto err;
1127                 }
1128
1129         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1130         if (attr_sect == NULL)
1131                 {
1132                 ERR_clear_error();
1133                 attr_sk=NULL;
1134                 }
1135         else
1136                 {
1137                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1138                 if (attr_sk == NULL)
1139                         {
1140                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1141                         goto err;
1142                         }
1143                 }
1144
1145         /* setup version number */
1146         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1147
1148         if (no_prompt)
1149                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1150         else
1151                 {
1152                 if (subj)
1153                         i = build_subject(req, subj, chtype, multirdn);
1154                 else
1155                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1156                 }
1157         if(!i) goto err;
1158
1159         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1160
1161         ret=1;
1162 err:
1163         return(ret);
1164         }
1165
1166 /*
1167  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1168  * where characters may be escaped by \
1169  */
1170 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1171         {
1172         X509_NAME *n;
1173
1174         if (!(n = parse_name(subject, chtype, multirdn)))
1175                 return 0;
1176
1177         if (!X509_REQ_set_subject_name(req, n))
1178                 {
1179                 X509_NAME_free(n);
1180                 return 0;
1181                 }
1182         X509_NAME_free(n);
1183         return 1;
1184 }
1185
1186
1187 static int prompt_info(X509_REQ *req,
1188                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1189                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1190                 unsigned long chtype)
1191         {
1192         int i;
1193         char *p,*q;
1194         char buf[100];
1195         int nid, mval;
1196         long n_min,n_max;
1197         char *type, *value;
1198         const char *def;
1199         CONF_VALUE *v;
1200         X509_NAME *subj;
1201         subj = X509_REQ_get_subject_name(req);
1202
1203         if(!batch)
1204                 {
1205                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1206                 BIO_printf(bio_err,"into your certificate request.\n");
1207                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1208                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1209                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1210                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1211                 BIO_printf(bio_err,"-----\n");
1212                 }
1213
1214
1215         if (sk_CONF_VALUE_num(dn_sk))
1216                 {
1217                 i= -1;
1218 start:          for (;;)
1219                         {
1220                         i++;
1221                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1222
1223                         v=sk_CONF_VALUE_value(dn_sk,i);
1224                         p=q=NULL;
1225                         type=v->name;
1226                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1227                                 !check_end(type,"_default") ||
1228                                          !check_end(type,"_value")) continue;
1229                         /* Skip past any leading X. X: X, etc to allow for
1230                          * multiple instances
1231                          */
1232                         for(p = v->name; *p ; p++)
1233                                 if ((*p == ':') || (*p == ',') ||
1234                                                          (*p == '.')) {
1235                                         p++;
1236                                         if(*p) type = p;
1237                                         break;
1238                                 }
1239                         if (*type == '+')
1240                                 {
1241                                 mval = -1;
1242                                 type++;
1243                                 }
1244                         else
1245                                 mval = 0;
1246                         /* If OBJ not recognised ignore it */
1247                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1248                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1249                                 >= (int)sizeof(buf))
1250                            {
1251                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1252                            return 0;
1253                            }
1254
1255                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1256                                 {
1257                                 ERR_clear_error();
1258                                 def="";
1259                                 }
1260
1261                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1262                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1263                                 {
1264                                 ERR_clear_error();
1265                                 value=NULL;
1266                                 }
1267
1268                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1269                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1270                                 {
1271                                 ERR_clear_error();
1272                                 n_min = -1;
1273                                 }
1274
1275                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1276                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1277                                 {
1278                                 ERR_clear_error();
1279                                 n_max = -1;
1280                                 }
1281
1282                         if (!add_DN_object(subj,v->value,def,value,nid,
1283                                 n_min,n_max, chtype, mval))
1284                                 return 0;
1285                         }
1286                 if (X509_NAME_entry_count(subj) == 0)
1287                         {
1288                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1289                         return 0;
1290                         }
1291
1292                 if (attribs)
1293                         {
1294                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1295                                 {
1296                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1297                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1298                                 }
1299
1300                         i= -1;
1301 start2:                 for (;;)
1302                                 {
1303                                 i++;
1304                                 if ((attr_sk == NULL) ||
1305                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1306                                         break;
1307
1308                                 v=sk_CONF_VALUE_value(attr_sk,i);
1309                                 type=v->name;
1310                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1311                                         goto start2;
1312
1313                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1314                                         >= (int)sizeof(buf))
1315                                    {
1316                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1317                                    return 0;
1318                                    }
1319
1320                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1321                                         == NULL)
1322                                         {
1323                                         ERR_clear_error();
1324                                         def="";
1325                                         }
1326
1327
1328                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1329                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1330                                         == NULL)
1331                                         {
1332                                         ERR_clear_error();
1333                                         value=NULL;
1334                                         }
1335
1336                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1337                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1338                                         {
1339                                         ERR_clear_error();
1340                                         n_min = -1;
1341                                         }
1342
1343                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1344                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1345                                         {
1346                                         ERR_clear_error();
1347                                         n_max = -1;
1348                                         }
1349
1350                                 if (!add_attribute_object(req,
1351                                         v->value,def,value,nid,n_min,n_max, chtype))
1352                                         return 0;
1353                                 }
1354                         }
1355                 }
1356         else
1357                 {
1358                 BIO_printf(bio_err,"No template, please set one up.\n");
1359                 return 0;
1360                 }
1361
1362         return 1;
1363
1364         }
1365
1366 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1367                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1368         {
1369         int i;
1370         char *p,*q;
1371         char *type;
1372         CONF_VALUE *v;
1373         X509_NAME *subj;
1374
1375         subj = X509_REQ_get_subject_name(req);
1376
1377         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1378                 {
1379                 int mval;
1380                 v=sk_CONF_VALUE_value(dn_sk,i);
1381                 p=q=NULL;
1382                 type=v->name;
1383                 /* Skip past any leading X. X: X, etc to allow for
1384                  * multiple instances
1385                  */
1386                 for(p = v->name; *p ; p++)
1387 #ifndef CHARSET_EBCDIC
1388                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1389 #else
1390                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1391 #endif
1392                                 p++;
1393                                 if(*p) type = p;
1394                                 break;
1395                         }
1396 #ifndef CHARSET_EBCDIC
1397                 if (*p == '+')
1398 #else
1399                 if (*p == os_toascii['+'])
1400 #endif
1401                         {
1402                         p++;
1403                         mval = -1;
1404                         }
1405                 else
1406                         mval = 0;
1407                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1408                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1409
1410                 }
1411
1412                 if (!X509_NAME_entry_count(subj))
1413                         {
1414                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1415                         return 0;
1416                         }
1417                 if (attribs)
1418                         {
1419                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1420                                 {
1421                                 v=sk_CONF_VALUE_value(attr_sk,i);
1422                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1423                                         (unsigned char *)v->value, -1)) return 0;
1424                                 }
1425                         }
1426         return 1;
1427         }
1428
1429
1430 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1431              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1432         {
1433         int i,ret=0;
1434         MS_STATIC char buf[1024];
1435 start:
1436         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1437         (void)BIO_flush(bio_err);
1438         if(value != NULL)
1439                 {
1440                 BUF_strlcpy(buf,value,sizeof buf);
1441                 BUF_strlcat(buf,"\n",sizeof buf);
1442                 BIO_printf(bio_err,"%s\n",value);
1443                 }
1444         else
1445                 {
1446                 buf[0]='\0';
1447                 if (!batch)
1448                         {
1449                         if (!fgets(buf,sizeof buf,stdin))
1450                                 return 0;
1451                         }
1452                 else
1453                         {
1454                         buf[0] = '\n';
1455                         buf[1] = '\0';
1456                         }
1457                 }
1458
1459         if (buf[0] == '\0') return(0);
1460         else if (buf[0] == '\n')
1461                 {
1462                 if ((def == NULL) || (def[0] == '\0'))
1463                         return(1);
1464                 BUF_strlcpy(buf,def,sizeof buf);
1465                 BUF_strlcat(buf,"\n",sizeof buf);
1466                 }
1467         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1468
1469         i=strlen(buf);
1470         if (buf[i-1] != '\n')
1471                 {
1472                 BIO_printf(bio_err,"weird input :-(\n");
1473                 return(0);
1474                 }
1475         buf[--i]='\0';
1476 #ifdef CHARSET_EBCDIC
1477         ebcdic2ascii(buf, buf, i);
1478 #endif
1479         if(!req_check_len(i, n_min, n_max))
1480                 {
1481                 if (batch || value)
1482                         return 0;
1483                 goto start;
1484                 }
1485
1486         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1487                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1488         ret=1;
1489 err:
1490         return(ret);
1491         }
1492
1493 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1494                                 char *value, int nid, int n_min,
1495                                 int n_max, unsigned long chtype)
1496         {
1497         int i;
1498         static char buf[1024];
1499
1500 start:
1501         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1502         (void)BIO_flush(bio_err);
1503         if (value != NULL)
1504                 {
1505                 BUF_strlcpy(buf,value,sizeof buf);
1506                 BUF_strlcat(buf,"\n",sizeof buf);
1507                 BIO_printf(bio_err,"%s\n",value);
1508                 }
1509         else
1510                 {
1511                 buf[0]='\0';
1512                 if (!batch)
1513                         {
1514                         if (!fgets(buf,sizeof buf,stdin))
1515                                 return 0;
1516                         }
1517                 else
1518                         {
1519                         buf[0] = '\n';
1520                         buf[1] = '\0';
1521                         }
1522                 }
1523
1524         if (buf[0] == '\0') return(0);
1525         else if (buf[0] == '\n')
1526                 {
1527                 if ((def == NULL) || (def[0] == '\0'))
1528                         return(1);
1529                 BUF_strlcpy(buf,def,sizeof buf);
1530                 BUF_strlcat(buf,"\n",sizeof buf);
1531                 }
1532         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1533
1534         i=strlen(buf);
1535         if (buf[i-1] != '\n')
1536                 {
1537                 BIO_printf(bio_err,"weird input :-(\n");
1538                 return(0);
1539                 }
1540         buf[--i]='\0';
1541 #ifdef CHARSET_EBCDIC
1542         ebcdic2ascii(buf, buf, i);
1543 #endif
1544         if(!req_check_len(i, n_min, n_max))
1545                 {
1546                 if (batch || value)
1547                         return 0;
1548                 goto start;
1549                 }
1550
1551         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1552                                         (unsigned char *)buf, -1)) {
1553                 BIO_printf(bio_err, "Error adding attribute\n");
1554                 ERR_print_errors(bio_err);
1555                 goto err;
1556         }
1557
1558         return(1);
1559 err:
1560         return(0);
1561         }
1562
1563 static int req_check_len(int len, int n_min, int n_max)
1564         {
1565         if ((n_min > 0) && (len < n_min))
1566                 {
1567                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1568                 return(0);
1569                 }
1570         if ((n_max >= 0) && (len > n_max))
1571                 {
1572                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1573                 return(0);
1574                 }
1575         return(1);
1576         }
1577
1578 /* Check if the end of a string matches 'end' */
1579 static int check_end(const char *str, const char *end)
1580 {
1581         int elen, slen;
1582         const char *tmp;
1583         elen = strlen(end);
1584         slen = strlen(str);
1585         if(elen > slen) return 1;
1586         tmp = str + slen - elen;
1587         return strcmp(tmp, end);
1588 }
1589
1590 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type,
1591                                         long *pkeylen, char **palgnam,
1592                                         ENGINE *keygen_engine)
1593         {
1594         EVP_PKEY_CTX *gctx = NULL;
1595         EVP_PKEY *param = NULL;
1596         long keylen = -1;
1597         BIO *pbio = NULL;
1598         const char *paramfile = NULL;
1599
1600         if (gstr == NULL)
1601                 {
1602                 *pkey_type = EVP_PKEY_RSA;
1603                 keylen = *pkeylen;
1604                 }
1605         else if (gstr[0] >= '0' && gstr[0] <= '9')
1606                 {
1607                 *pkey_type = EVP_PKEY_RSA;
1608                 keylen = atol(gstr);
1609                 *pkeylen = keylen;
1610                 }
1611         else if (!strncmp(gstr, "param:", 6))
1612                 paramfile = gstr + 6;
1613         else
1614                 {
1615                 const char *p = strchr(gstr, ':');
1616                 int len;
1617                 ENGINE *tmpeng;
1618                 const EVP_PKEY_ASN1_METHOD *ameth;
1619
1620                 if (p)
1621                         len = p - gstr;
1622                 else
1623                         len = strlen(gstr);
1624                 /* The lookup of a the string will cover all engines so
1625                  * keep a note of the implementation.
1626                  */
1627
1628                 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1629
1630                 if (!ameth)
1631                         {
1632                         BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1633                         return NULL;
1634                         }
1635
1636                 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL,
1637                                                                         ameth);
1638 #ifndef OPENSSL_NO_ENGINE
1639                 if (tmpeng)
1640                         ENGINE_finish(tmpeng);
1641 #endif
1642                 if (*pkey_type == EVP_PKEY_RSA)
1643                         {
1644                         if (p)
1645                                 {
1646                                 keylen = atol(p + 1);
1647                                 *pkeylen = keylen;
1648                                 }
1649                         else
1650                                 keylen = *pkeylen;
1651                         }
1652                 else if (p)
1653                         paramfile = p + 1;
1654                 }
1655
1656         if (paramfile)
1657                 {
1658                 pbio = BIO_new_file(paramfile, "r");
1659                 if (!pbio)
1660                         {
1661                         BIO_printf(err, "Can't open parameter file %s\n",
1662                                         paramfile);
1663                         return NULL;
1664                         }
1665                 param = PEM_read_bio_Parameters(pbio, NULL);
1666
1667                 if (!param)
1668                         {
1669                         X509 *x;
1670                         (void)BIO_reset(pbio);
1671                         x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1672                         if (x)
1673                                 {
1674                                 param = X509_get_pubkey(x);
1675                                 X509_free(x);
1676                                 }
1677                         }
1678
1679                 BIO_free(pbio);
1680
1681                 if (!param)
1682                         {
1683                         BIO_printf(err, "Error reading parameter file %s\n",
1684                                         paramfile);
1685                         return NULL;
1686                         }
1687                 if (*pkey_type == -1)
1688                         *pkey_type = EVP_PKEY_id(param);
1689                 else if (*pkey_type != EVP_PKEY_base_id(param))
1690                         {
1691                         BIO_printf(err, "Key Type does not match parameters\n");
1692                         EVP_PKEY_free(param);
1693                         return NULL;
1694                         }
1695                 }
1696
1697         if (palgnam)
1698                 {
1699                 const EVP_PKEY_ASN1_METHOD *ameth;
1700                 ENGINE *tmpeng;
1701                 const char *anam;
1702                 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1703                 if (!ameth)
1704                         {
1705                         BIO_puts(err, "Internal error: can't find key algorithm\n");
1706                         return NULL;
1707                         }
1708                 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1709                 *palgnam = BUF_strdup(anam);
1710 #ifndef OPENSSL_NO_ENGINE
1711                 if (tmpeng)
1712                         ENGINE_finish(tmpeng);
1713 #endif
1714                 }
1715
1716         if (param)
1717                 {
1718                 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1719                 *pkeylen = EVP_PKEY_bits(param);
1720                 EVP_PKEY_free(param);
1721                 }
1722         else
1723                 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1724
1725         if (!gctx)
1726                 {
1727                 BIO_puts(err, "Error allocating keygen context\n");
1728                 ERR_print_errors(err);
1729                 return NULL;
1730                 }
1731
1732         if (EVP_PKEY_keygen_init(gctx) <= 0)
1733                 {
1734                 BIO_puts(err, "Error initializing keygen context\n");
1735                 ERR_print_errors(err);
1736                 return NULL;
1737                 }
1738 #ifndef OPENSSL_NO_RSA
1739         if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1740                 {
1741                 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1742                         {
1743                         BIO_puts(err, "Error setting RSA keysize\n");
1744                         ERR_print_errors(err);
1745                         EVP_PKEY_CTX_free(gctx);
1746                         return NULL;
1747                         }
1748                 }
1749 #endif
1750
1751         return gctx;
1752         }
1753
1754 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1755         {
1756         char c='*';
1757         BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1758         int p;
1759         p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1760         if (p == 0) c='.';
1761         if (p == 1) c='+';
1762         if (p == 2) c='*';
1763         if (p == 3) c='\n';
1764         BIO_write(b,&c,1);
1765         (void)BIO_flush(b);
1766 #ifdef LINT
1767         p=n;
1768 #endif
1769         return 1;
1770         }