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