apps/req.c

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