apps/req.c

   1 /* apps/req.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
  60  * deprecated functions for openssl-internal code */
  61 #ifdef OPENSSL_NO_DEPRECATED
  62 #undef OPENSSL_NO_DEPRECATED
  63 #endif
  64
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <time.h>
  68 #include <string.h>
  69 #ifdef OPENSSL_NO_STDIO
  70 #define APPS_WIN16
  71 #endif
  72 #include "apps.h"
  73 #include <openssl/bio.h>
  74 #include <openssl/evp.h>
  75 #include <openssl/conf.h>
  76 #include <openssl/err.h>
  77 #include <openssl/asn1.h>
  78 #include <openssl/x509.h>
  79 #include <openssl/x509v3.h>
  80 #include <openssl/objects.h>
  81 #include <openssl/pem.h>
  82 #include <openssl/bn.h>
  83 #ifndef OPENSSL_NO_RSA
  84 #include <openssl/rsa.h>
  85 #endif
  86 #ifndef OPENSSL_NO_DSA
  87 #include <openssl/dsa.h>
  88 #endif
  89
  90 #define SECTION         "req"
  91
  92 #define BITS            "default_bits"
  93 #define KEYFILE         "default_keyfile"
  94 #define PROMPT          "prompt"
  95 #define DISTINGUISHED_NAME      "distinguished_name"
  96 #define ATTRIBUTES      "attributes"
  97 #define V3_EXTENSIONS   "x509_extensions"
  98 #define REQ_EXTENSIONS  "req_extensions"
  99 #define STRING_MASK     "string_mask"
 100 #define UTF8_IN         "utf8"
 101
 102 #define DEFAULT_KEY_LENGTH      512
 103 #define MIN_KEY_LENGTH          384
 104
 105 #undef PROG
 106 #define PROG    req_main
 107
 108 /* -inform arg  - input format - default PEM (DER or PEM)
 109  * -outform arg - output format - default PEM
 110  * -in arg      - input file - default stdin
 111  * -out arg     - output file - default stdout
 112  * -verify      - check request signature
 113  * -noout       - don't print stuff out.
 114  * -text        - print out human readable text.
 115  * -nodes       - no des encryption
 116  * -config file - Load configuration file.
 117  * -key file    - make a request using key in file (or use it for verification).
 118  * -keyform arg - key file format.
 119  * -rand file(s) - load the file(s) into the PRNG.
 120  * -newkey      - make a key and a request.
 121  * -modulus     - print RSA modulus.
 122  * -pubkey      - output Public Key.
 123  * -x509        - output a self signed X509 structure instead.
 124  * -asn1-kludge - output new certificate request in a format that some CA's
 125  *                require.  This format is wrong
 126  */
 127
 128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn,
 129                 int attribs,unsigned long chtype);
 130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype,
 131                 int multirdn);
 132 static int prompt_info(X509_REQ *req,
 133                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 134                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 135                 unsigned long chtype);
 136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 137                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 138                                 unsigned long chtype);
 139 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
 140                                 char *value, int nid, int n_min,
 141                                 int n_max, unsigned long chtype);
 142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
 143         int nid,int n_min,int n_max, unsigned long chtype, int mval);
 144 static int genpkey_cb(EVP_PKEY_CTX *ctx);
 145 static int req_check_len(int len,int n_min,int n_max);
 146 static int check_end(const char *str, const char *end);
 147 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr,
 148                                         long *pkeylen, const char **palgnam,
 149                                         ENGINE *e);
 150 #ifndef MONOLITH
 151 static char *default_config_file=NULL;
 152 #endif
 153 static CONF *req_conf=NULL;
 154 static int batch=0;
 155
 156 int MAIN(int, char **);
 157
 158 int MAIN(int argc, char **argv)
 159         {
 160         ENGINE *e = NULL;
 161 #ifndef OPENSSL_NO_DSA
 162         DSA *dsa_params=NULL;
 163 #endif
 164 #ifndef OPENSSL_NO_ECDSA
 165         EC_KEY *ec_params = NULL;
 166 #endif
 167         unsigned long nmflag = 0, reqflag = 0;
 168         int ex=1,x509=0,days=30;
 169         X509 *x509ss=NULL;
 170         X509_REQ *req=NULL;
 171         EVP_PKEY_CTX *genctx = NULL;
 172         const char *keyalg = NULL, *keyalgstr;
 173         STACK *pkeyopts = NULL;
 174         EVP_PKEY *pkey=NULL;
 175         int i=0,badops=0,newreq=0,verbose=0,pkey_type=EVP_PKEY_RSA;
 176         long newkey = -1;
 177         BIO *in=NULL,*out=NULL;
 178         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 179         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 180         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 181 #ifndef OPENSSL_NO_ENGINE
 182         char *engine=NULL;
 183 #endif
 184         char *extensions = NULL;
 185         char *req_exts = NULL;
 186         const EVP_CIPHER *cipher=NULL;
 187         ASN1_INTEGER *serial = NULL;
 188         int modulus=0;
 189         char *inrand=NULL;
 190         char *passargin = NULL, *passargout = NULL;
 191         char *passin = NULL, *passout = NULL;
 192         char *p;
 193         char *subj = NULL;
 194         int multirdn = 0;
 195         const EVP_MD *md_alg=NULL,*digest=NULL;
 196         unsigned long chtype = MBSTRING_ASC;
 197 #ifndef MONOLITH
 198         char *to_free;
 199         long errline;
 200 #endif
 201
 202         req_conf = NULL;
 203 #ifndef OPENSSL_NO_DES
 204         cipher=EVP_des_ede3_cbc();
 205 #endif
 206         apps_startup();
 207
 208         if (bio_err == NULL)
 209                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 210                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 211
 212         infile=NULL;
 213         outfile=NULL;
 214         informat=FORMAT_PEM;
 215         outformat=FORMAT_PEM;
 216
 217         prog=argv[0];
 218         argc--;
 219         argv++;
 220         while (argc >= 1)
 221                 {
 222                 if      (strcmp(*argv,"-inform") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         informat=str2fmt(*(++argv));
 226                         }
 227                 else if (strcmp(*argv,"-outform") == 0)
 228                         {
 229                         if (--argc < 1) goto bad;
 230                         outformat=str2fmt(*(++argv));
 231                         }
 232 #ifndef OPENSSL_NO_ENGINE
 233                 else if (strcmp(*argv,"-engine") == 0)
 234                         {
 235                         if (--argc < 1) goto bad;
 236                         engine= *(++argv);
 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_new_null();
 305                         if (!pkeyopts || !sk_push(pkeyopts, *(++argv)))
 306                                 goto bad;
 307                         }
 308                 else if (strcmp(*argv,"-batch") == 0)
 309                         batch=1;
 310                 else if (strcmp(*argv,"-newhdr") == 0)
 311                         newhdr=1;
 312                 else if (strcmp(*argv,"-modulus") == 0)
 313                         modulus=1;
 314                 else if (strcmp(*argv,"-verify") == 0)
 315                         verify=1;
 316                 else if (strcmp(*argv,"-nodes") == 0)
 317                         nodes=1;
 318                 else if (strcmp(*argv,"-noout") == 0)
 319                         noout=1;
 320                 else if (strcmp(*argv,"-verbose") == 0)
 321                         verbose=1;
 322                 else if (strcmp(*argv,"-utf8") == 0)
 323                         chtype = MBSTRING_UTF8;
 324                 else if (strcmp(*argv,"-nameopt") == 0)
 325                         {
 326                         if (--argc < 1) goto bad;
 327                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 328                         }
 329                 else if (strcmp(*argv,"-reqopt") == 0)
 330                         {
 331                         if (--argc < 1) goto bad;
 332                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 333                         }
 334                 else if (strcmp(*argv,"-subject") == 0)
 335                         subject=1;
 336                 else if (strcmp(*argv,"-text") == 0)
 337                         text=1;
 338                 else if (strcmp(*argv,"-x509") == 0)
 339                         x509=1;
 340                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 341                         kludge=1;
 342                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 343                         kludge=0;
 344                 else if (strcmp(*argv,"-subj") == 0)
 345                         {
 346                         if (--argc < 1) goto bad;
 347                         subj= *(++argv);
 348                         }
 349                 else if (strcmp(*argv,"-multivalue-rdn") == 0)
 350                         multirdn=1;
 351                 else if (strcmp(*argv,"-days") == 0)
 352                         {
 353                         if (--argc < 1) goto bad;
 354                         days= atoi(*(++argv));
 355                         if (days == 0) days=30;
 356                         }
 357                 else if (strcmp(*argv,"-set_serial") == 0)
 358                         {
 359                         if (--argc < 1) goto bad;
 360                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 361                         if (!serial) goto bad;
 362                         }
 363                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 364                         {
 365                         /* ok */
 366                         digest=md_alg;
 367                         }
 368                 else if (strcmp(*argv,"-extensions") == 0)
 369                         {
 370                         if (--argc < 1) goto bad;
 371                         extensions = *(++argv);
 372                         }
 373                 else if (strcmp(*argv,"-reqexts") == 0)
 374                         {
 375                         if (--argc < 1) goto bad;
 376                         req_exts = *(++argv);
 377                         }
 378                 else
 379                         {
 380                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 381                         badops=1;
 382                         break;
 383                         }
 384                 argc--;
 385                 argv++;
 386                 }
 387
 388         if (badops)
 389                 {
 390 bad:
 391                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 392                 BIO_printf(bio_err,"where options  are\n");
 393                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 394                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 395                 BIO_printf(bio_err," -in arg        input file\n");
 396                 BIO_printf(bio_err," -out arg       output file\n");
 397                 BIO_printf(bio_err," -text          text form of request\n");
 398                 BIO_printf(bio_err," -pubkey        output public key\n");
 399                 BIO_printf(bio_err," -noout         do not output REQ\n");
 400                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 401                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 402                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 403 #ifndef OPENSSL_NO_ENGINE
 404                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 405 #endif
 406                 BIO_printf(bio_err," -subject       output the request's subject\n");
 407                 BIO_printf(bio_err," -passin        private key password source\n");
 408                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 409                 BIO_printf(bio_err," -keyform arg   key file format\n");
 410                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 411                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 412                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 413                 BIO_printf(bio_err,"                the random number generator\n");
 414                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 415                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 416 #ifndef OPENSSL_NO_ECDSA
 417                 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n");
 418 #endif
 419                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 420                 BIO_printf(bio_err," -config file   request template file.\n");
 421                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 422                 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n");
 423                 BIO_printf(bio_err," -new           new request.\n");
 424                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 425                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 426                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 427                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 428                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 429                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 430                 BIO_printf(bio_err,"                have been reported as requiring\n");
 431                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 432                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 433                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 434                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 435                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 436                 goto end;
 437                 }
 438
 439         ERR_load_crypto_strings();
 440         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 441                 BIO_printf(bio_err, "Error getting passwords\n");
 442                 goto end;
 443         }
 444
 445 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 446         /* Lets load up our environment a little */
 447         p=getenv("OPENSSL_CONF");
 448         if (p == NULL)
 449                 p=getenv("SSLEAY_CONF");
 450         if (p == NULL)
 451                 p=to_free=make_config_name();
 452         default_config_file=p;
 453         config=NCONF_new(NULL);
 454         i=NCONF_load(config, p, &errline);
 455 #endif
 456
 457         if (template != NULL)
 458                 {
 459                 long errline = -1;
 460
 461                 if( verbose )
 462                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 463                 req_conf=NCONF_new(NULL);
 464                 i=NCONF_load(req_conf,template,&errline);
 465                 if (i == 0)
 466                         {
 467                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 468                         goto end;
 469                         }
 470                 }
 471         else
 472                 {
 473                 req_conf=config;
 474
 475                 if (req_conf == NULL)
 476                         {
 477                         BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file);
 478                         if (newreq)
 479                                 goto end;
 480                         }
 481                 else if( verbose )
 482                         BIO_printf(bio_err,"Using configuration from %s\n",
 483                         default_config_file);
 484                 }
 485
 486         if (req_conf != NULL)
 487                 {
 488                 if (!load_config(bio_err, req_conf))
 489                         goto end;
 490                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 491                 if (p == NULL)
 492                         ERR_clear_error();
 493                 if (p != NULL)
 494                         {
 495                         BIO *oid_bio;
 496
 497                         oid_bio=BIO_new_file(p,"r");
 498                         if (oid_bio == NULL)
 499                                 {
 500                                 /*
 501                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 502                                 ERR_print_errors(bio_err);
 503                                 */
 504                                 }
 505                         else
 506                                 {
 507                                 OBJ_create_objects(oid_bio);
 508                                 BIO_free(oid_bio);
 509                                 }
 510                         }
 511                 }
 512         if(!add_oid_section(bio_err, req_conf)) goto end;
 513
 514         if (md_alg == NULL)
 515                 {
 516                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 517                 if (p == NULL)
 518                         ERR_clear_error();
 519                 if (p != NULL)
 520                         {
 521                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 522                                 digest=md_alg;
 523                         }
 524                 }
 525
 526         if (!extensions)
 527                 {
 528                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 529                 if (!extensions)
 530                         ERR_clear_error();
 531                 }
 532         if (extensions) {
 533                 /* Check syntax of file */
 534                 X509V3_CTX ctx;
 535                 X509V3_set_ctx_test(&ctx);
 536                 X509V3_set_nconf(&ctx, req_conf);
 537                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 538                         BIO_printf(bio_err,
 539                          "Error Loading extension section %s\n", extensions);
 540                         goto end;
 541                 }
 542         }
 543
 544         if(!passin)
 545                 {
 546                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 547                 if (!passin)
 548                         ERR_clear_error();
 549                 }
 550
 551         if(!passout)
 552                 {
 553                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 554                 if (!passout)
 555                         ERR_clear_error();
 556                 }
 557
 558         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 559         if (!p)
 560                 ERR_clear_error();
 561
 562         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 563                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 564                 goto end;
 565         }
 566
 567         if (chtype != MBSTRING_UTF8)
 568                 {
 569                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 570                 if (!p)
 571                         ERR_clear_error();
 572                 else if (!strcmp(p, "yes"))
 573                         chtype = MBSTRING_UTF8;
 574                 }
 575
 576
 577         if(!req_exts)
 578                 {
 579                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 580                 if (!req_exts)
 581                         ERR_clear_error();
 582                 }
 583         if(req_exts) {
 584                 /* Check syntax of file */
 585                 X509V3_CTX ctx;
 586                 X509V3_set_ctx_test(&ctx);
 587                 X509V3_set_nconf(&ctx, req_conf);
 588                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 589                         BIO_printf(bio_err,
 590                          "Error Loading request extension section %s\n",
 591                                                                 req_exts);
 592                         goto end;
 593                 }
 594         }
 595
 596         in=BIO_new(BIO_s_file());
 597         out=BIO_new(BIO_s_file());
 598         if ((in == NULL) || (out == NULL))
 599                 goto end;
 600
 601 #ifndef OPENSSL_NO_ENGINE
 602         e = setup_engine(bio_err, engine, 0);
 603 #endif
 604
 605         if (keyfile != NULL)
 606                 {
 607                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 608                         "Private Key");
 609                 if (!pkey)
 610                         {
 611                         /* load_key() has already printed an appropriate
 612                            message */
 613                         goto end;
 614                         }
 615                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA ||
 616                         EVP_PKEY_type(pkey->type) == EVP_PKEY_EC)
 617                         {
 618                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 619                         if (randfile == NULL)
 620                                 ERR_clear_error();
 621                         app_RAND_load_file(randfile, bio_err, 0);
 622                         }
 623                 }
 624
 625         if (newreq && (pkey == NULL))
 626                 {
 627                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 628                 if (randfile == NULL)
 629                         ERR_clear_error();
 630                 app_RAND_load_file(randfile, bio_err, 0);
 631                 if (inrand)
 632                         app_RAND_load_files(inrand);
 633
 634                 if (keyalg)
 635                         {
 636                         genctx = set_keygen_ctx(bio_err, keyalg, &newkey,
 637                                                         &keyalgstr, e);
 638                         if (!genctx)
 639                                 goto end;
 640                         }
 641
 642                 if (newkey <= 0)
 643                         {
 644                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 645                                 newkey=DEFAULT_KEY_LENGTH;
 646                         }
 647
 648                 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA))
 649                         {
 650                         BIO_printf(bio_err,"private key length is too short,\n");
 651                         BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey);
 652                         goto end;
 653                         }
 654
 655                 if (!genctx)
 656                         {
 657                         genctx = set_keygen_ctx(bio_err, NULL, &newkey,
 658                                                         &keyalgstr, e);
 659                         if (!genctx)
 660                                 goto end;
 661                         }
 662
 663                 if (pkeyopts)
 664                         {
 665                         char *genopt;
 666                         for (i = 0; i < sk_num(pkeyopts); i++)
 667                                 {
 668                                 genopt = sk_value(pkeyopts, i);
 669                                 if (pkey_ctrl_string(genctx, genopt) <= 0)
 670                                         {
 671                                         BIO_printf(bio_err,
 672                                                 "parameter error \"%s\"\n",
 673                                                 genopt);
 674                                         ERR_print_errors(bio_err);
 675                                         goto end;
 676                                         }
 677                                 }
 678                         }
 679
 680                 BIO_printf(bio_err,"Generating a %ld bit %s private key\n",
 681                                 newkey, keyalgstr);
 682
 683                 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
 684                 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
 685
 686                 if (EVP_PKEY_keygen(genctx, &pkey) <= 0)
 687                         {
 688                         BIO_puts(bio_err, "Error Generating Key\n");
 689                         goto end;
 690                         }
 691
 692                 EVP_PKEY_CTX_free(genctx);
 693                 genctx = NULL;
 694
 695                 app_RAND_write_file(randfile, bio_err);
 696
 697                 if (keyout == NULL)
 698                         {
 699                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 700                         if (keyout == NULL)
 701                                 ERR_clear_error();
 702                         }
 703
 704                 if (keyout == NULL)
 705                         {
 706                         BIO_printf(bio_err,"writing new private key to stdout\n");
 707                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 708 #ifdef OPENSSL_SYS_VMS
 709                         {
 710                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 711                         out = BIO_push(tmpbio, out);
 712                         }
 713 #endif
 714                         }
 715                 else
 716                         {
 717                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 718                         if (BIO_write_filename(out,keyout) <= 0)
 719                                 {
 720                                 perror(keyout);
 721                                 goto end;
 722                                 }
 723                         }
 724
 725                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 726                 if (p == NULL)
 727                         {
 728                         ERR_clear_error();
 729                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 730                         if (p == NULL)
 731                                 ERR_clear_error();
 732                         }
 733                 if ((p != NULL) && (strcmp(p,"no") == 0))
 734                         cipher=NULL;
 735                 if (nodes) cipher=NULL;
 736
 737                 i=0;
 738 loop:
 739                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 740                         NULL,0,NULL,passout))
 741                         {
 742                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 743                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 744                                 {
 745                                 ERR_clear_error();
 746                                 i++;
 747                                 goto loop;
 748                                 }
 749                         goto end;
 750                         }
 751                 BIO_printf(bio_err,"-----\n");
 752                 }
 753
 754         if (!newreq)
 755                 {
 756                 /* Since we are using a pre-existing certificate
 757                  * request, the kludge 'format' info should not be
 758                  * changed. */
 759                 kludge= -1;
 760                 if (infile == NULL)
 761                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 762                 else
 763                         {
 764                         if (BIO_read_filename(in,infile) <= 0)
 765                                 {
 766                                 perror(infile);
 767                                 goto end;
 768                                 }
 769                         }
 770
 771                 if      (informat == FORMAT_ASN1)
 772                         req=d2i_X509_REQ_bio(in,NULL);
 773                 else if (informat == FORMAT_PEM)
 774                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 775                 else
 776                         {
 777                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 778                         goto end;
 779                         }
 780                 if (req == NULL)
 781                         {
 782                         BIO_printf(bio_err,"unable to load X509 request\n");
 783                         goto end;
 784                         }
 785                 }
 786
 787         if (newreq || x509)
 788                 {
 789                 if (pkey == NULL)
 790                         {
 791                         BIO_printf(bio_err,"you need to specify a private key\n");
 792                         goto end;
 793                         }
 794
 795                 if (req == NULL)
 796                         {
 797                         req=X509_REQ_new();
 798                         if (req == NULL)
 799                                 {
 800                                 goto end;
 801                                 }
 802
 803                         i=make_REQ(req,pkey,subj,multirdn,!x509, chtype);
 804                         subj=NULL; /* done processing '-subj' option */
 805                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 806                                 {
 807                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 808                                 req->req_info->attributes = NULL;
 809                                 }
 810                         if (!i)
 811                                 {
 812                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 813                                 goto end;
 814                                 }
 815                         }
 816                 if (x509)
 817                         {
 818                         EVP_PKEY *tmppkey;
 819                         X509V3_CTX ext_ctx;
 820                         if ((x509ss=X509_new()) == NULL) goto end;
 821
 822                         /* Set version to V3 */
 823                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 824                         if (serial)
 825                                 {
 826                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 827                                 }
 828                         else
 829                                 {
 830                                 if (!rand_serial(NULL,
 831                                         X509_get_serialNumber(x509ss)))
 832                                                 goto end;
 833                                 }
 834
 835                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 836                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 837                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 838                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 839                         tmppkey = X509_REQ_get_pubkey(req);
 840                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 841                         EVP_PKEY_free(tmppkey);
 842
 843                         /* Set up V3 context struct */
 844
 845                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 846                         X509V3_set_nconf(&ext_ctx, req_conf);
 847
 848                         /* Add extensions */
 849                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 850                                         &ext_ctx, extensions, x509ss))
 851                                 {
 852                                 BIO_printf(bio_err,
 853                                         "Error Loading extension section %s\n",
 854                                         extensions);
 855                                 goto end;
 856                                 }
 857
 858                         if (!(i=X509_sign(x509ss,pkey,digest)))
 859                                 {
 860                                 ERR_print_errors(bio_err);
 861                                 goto end;
 862                                 }
 863                         }
 864                 else
 865                         {
 866                         X509V3_CTX ext_ctx;
 867
 868                         /* Set up V3 context struct */
 869
 870                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 871                         X509V3_set_nconf(&ext_ctx, req_conf);
 872
 873                         /* Add extensions */
 874                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 875                                         &ext_ctx, req_exts, req))
 876                                 {
 877                                 BIO_printf(bio_err,
 878                                         "Error Loading extension section %s\n",
 879                                         req_exts);
 880                                 goto end;
 881                                 }
 882                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 883                                 {
 884                                 ERR_print_errors(bio_err);
 885                                 goto end;
 886                                 }
 887                         }
 888                 }
 889
 890         if (subj && x509)
 891                 {
 892                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 893                 goto end;
 894                 }
 895
 896         if (subj && !x509)
 897                 {
 898                 if (verbose)
 899                         {
 900                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 901                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 902                         }
 903
 904                 if (build_subject(req, subj, chtype, multirdn) == 0)
 905                         {
 906                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 907                         ex=1;
 908                         goto end;
 909                         }
 910
 911                 req->req_info->enc.modified = 1;
 912
 913                 if (verbose)
 914                         {
 915                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 916                         }
 917                 }
 918
 919         if (verify && !x509)
 920                 {
 921                 int tmp=0;
 922
 923                 if (pkey == NULL)
 924                         {
 925                         pkey=X509_REQ_get_pubkey(req);
 926                         tmp=1;
 927                         if (pkey == NULL) goto end;
 928                         }
 929
 930                 i=X509_REQ_verify(req,pkey);
 931                 if (tmp) {
 932                         EVP_PKEY_free(pkey);
 933                         pkey=NULL;
 934                 }
 935
 936                 if (i < 0)
 937                         {
 938                         goto end;
 939                         }
 940                 else if (i == 0)
 941                         {
 942                         BIO_printf(bio_err,"verify failure\n");
 943                         ERR_print_errors(bio_err);
 944                         }
 945                 else /* if (i > 0) */
 946                         BIO_printf(bio_err,"verify OK\n");
 947                 }
 948
 949         if (noout && !text && !modulus && !subject && !pubkey)
 950                 {
 951                 ex=0;
 952                 goto end;
 953                 }
 954
 955         if (outfile == NULL)
 956                 {
 957                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 958 #ifdef OPENSSL_SYS_VMS
 959                 {
 960                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 961                 out = BIO_push(tmpbio, out);
 962                 }
 963 #endif
 964                 }
 965         else
 966                 {
 967                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 968                         i=(int)BIO_append_filename(out,outfile);
 969                 else
 970                         i=(int)BIO_write_filename(out,outfile);
 971                 if (!i)
 972                         {
 973                         perror(outfile);
 974                         goto end;
 975                         }
 976                 }
 977
 978         if (pubkey)
 979                 {
 980                 EVP_PKEY *tpubkey;
 981                 tpubkey=X509_REQ_get_pubkey(req);
 982                 if (tpubkey == NULL)
 983                         {
 984                         BIO_printf(bio_err,"Error getting public key\n");
 985                         ERR_print_errors(bio_err);
 986                         goto end;
 987                         }
 988                 PEM_write_bio_PUBKEY(out, tpubkey);
 989                 EVP_PKEY_free(tpubkey);
 990                 }
 991
 992         if (text)
 993                 {
 994                 if (x509)
 995                         X509_print_ex(out, x509ss, nmflag, reqflag);
 996                 else
 997                         X509_REQ_print_ex(out, req, nmflag, reqflag);
 998                 }
 999
1000         if(subject)
1001                 {
1002                 if(x509)
1003                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1004                 else
1005                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1006                 }
1007
1008         if (modulus)
1009                 {
1010                 EVP_PKEY *tpubkey;
1011
1012                 if (x509)
1013                         tpubkey=X509_get_pubkey(x509ss);
1014                 else
1015                         tpubkey=X509_REQ_get_pubkey(req);
1016                 if (tpubkey == NULL)
1017                         {
1018                         fprintf(stdout,"Modulus=unavailable\n");
1019                         goto end;
1020                         }
1021                 fprintf(stdout,"Modulus=");
1022 #ifndef OPENSSL_NO_RSA
1023                 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA)
1024                         BN_print(out,tpubkey->pkey.rsa->n);
1025                 else
1026 #endif
1027                         fprintf(stdout,"Wrong Algorithm type");
1028                 EVP_PKEY_free(tpubkey);
1029                 fprintf(stdout,"\n");
1030                 }
1031
1032         if (!noout && !x509)
1033                 {
1034                 if      (outformat == FORMAT_ASN1)
1035                         i=i2d_X509_REQ_bio(out,req);
1036                 else if (outformat == FORMAT_PEM) {
1037                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1038                         else i=PEM_write_bio_X509_REQ(out,req);
1039                 } else {
1040                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1041                         goto end;
1042                         }
1043                 if (!i)
1044                         {
1045                         BIO_printf(bio_err,"unable to write X509 request\n");
1046                         goto end;
1047                         }
1048                 }
1049         if (!noout && x509 && (x509ss != NULL))
1050                 {
1051                 if      (outformat == FORMAT_ASN1)
1052                         i=i2d_X509_bio(out,x509ss);
1053                 else if (outformat == FORMAT_PEM)
1054                         i=PEM_write_bio_X509(out,x509ss);
1055                 else    {
1056                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1057                         goto end;
1058                         }
1059                 if (!i)
1060                         {
1061                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1062                         goto end;
1063                         }
1064                 }
1065         ex=0;
1066 end:
1067 #ifndef MONOLITH
1068         if(to_free)
1069                 OPENSSL_free(to_free);
1070 #endif
1071         if (ex)
1072                 {
1073                 ERR_print_errors(bio_err);
1074                 }
1075         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1076         BIO_free(in);
1077         BIO_free_all(out);
1078         EVP_PKEY_free(pkey);
1079         if (genctx)
1080                 EVP_PKEY_CTX_free(genctx);
1081         if (pkeyopts)
1082                 sk_free(pkeyopts);
1083         X509_REQ_free(req);
1084         X509_free(x509ss);
1085         ASN1_INTEGER_free(serial);
1086         if(passargin && passin) OPENSSL_free(passin);
1087         if(passargout && passout) OPENSSL_free(passout);
1088         OBJ_cleanup();
1089 #ifndef OPENSSL_NO_DSA
1090         if (dsa_params != NULL) DSA_free(dsa_params);
1091 #endif
1092 #ifndef OPENSSL_NO_ECDSA
1093         if (ec_params != NULL) EC_KEY_free(ec_params);
1094 #endif
1095         apps_shutdown();
1096         OPENSSL_EXIT(ex);
1097         }
1098
1099 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1100                         int attribs, unsigned long chtype)
1101         {
1102         int ret=0,i;
1103         char no_prompt = 0;
1104         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1105         char *tmp, *dn_sect,*attr_sect;
1106
1107         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1108         if (tmp == NULL)
1109                 ERR_clear_error();
1110         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1111
1112         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1113         if (dn_sect == NULL)
1114                 {
1115                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1116                         DISTINGUISHED_NAME);
1117                 goto err;
1118                 }
1119         dn_sk=NCONF_get_section(req_conf,dn_sect);
1120         if (dn_sk == NULL)
1121                 {
1122                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1123                 goto err;
1124                 }
1125
1126         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1127         if (attr_sect == NULL)
1128                 {
1129                 ERR_clear_error();
1130                 attr_sk=NULL;
1131                 }
1132         else
1133                 {
1134                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1135                 if (attr_sk == NULL)
1136                         {
1137                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1138                         goto err;
1139                         }
1140                 }
1141
1142         /* setup version number */
1143         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1144
1145         if (no_prompt)
1146                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1147         else
1148                 {
1149                 if (subj)
1150                         i = build_subject(req, subj, chtype, multirdn);
1151                 else
1152                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1153                 }
1154         if(!i) goto err;
1155
1156         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1157
1158         ret=1;
1159 err:
1160         return(ret);
1161         }
1162
1163 /*
1164  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1165  * where characters may be escaped by \
1166  */
1167 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn)
1168         {
1169         X509_NAME *n;
1170
1171         if (!(n = parse_name(subject, chtype, multirdn)))
1172                 return 0;
1173
1174         if (!X509_REQ_set_subject_name(req, n))
1175                 {
1176                 X509_NAME_free(n);
1177                 return 0;
1178                 }
1179         X509_NAME_free(n);
1180         return 1;
1181 }
1182
1183
1184 static int prompt_info(X509_REQ *req,
1185                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1186                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1187                 unsigned long chtype)
1188         {
1189         int i;
1190         char *p,*q;
1191         char buf[100];
1192         int nid, mval;
1193         long n_min,n_max;
1194         char *type, *value;
1195         const char *def;
1196         CONF_VALUE *v;
1197         X509_NAME *subj;
1198         subj = X509_REQ_get_subject_name(req);
1199
1200         if(!batch)
1201                 {
1202                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1203                 BIO_printf(bio_err,"into your certificate request.\n");
1204                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1205                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1206                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1207                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1208                 BIO_printf(bio_err,"-----\n");
1209                 }
1210
1211
1212         if (sk_CONF_VALUE_num(dn_sk))
1213                 {
1214                 i= -1;
1215 start:          for (;;)
1216                         {
1217                         i++;
1218                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1219
1220                         v=sk_CONF_VALUE_value(dn_sk,i);
1221                         p=q=NULL;
1222                         type=v->name;
1223                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1224                                 !check_end(type,"_default") ||
1225                                          !check_end(type,"_value")) continue;
1226                         /* Skip past any leading X. X: X, etc to allow for
1227                          * multiple instances
1228                          */
1229                         for(p = v->name; *p ; p++)
1230                                 if ((*p == ':') || (*p == ',') ||
1231                                                          (*p == '.')) {
1232                                         p++;
1233                                         if(*p) type = p;
1234                                         break;
1235                                 }
1236                         if (*type == '+')
1237                                 {
1238                                 mval = -1;
1239                                 type++;
1240                                 }
1241                         else
1242                                 mval = 0;
1243                         /* If OBJ not recognised ignore it */
1244                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1245                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1246                                 >= (int)sizeof(buf))
1247                            {
1248                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1249                            return 0;
1250                            }
1251
1252                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1253                                 {
1254                                 ERR_clear_error();
1255                                 def="";
1256                                 }
1257
1258                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1259                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1260                                 {
1261                                 ERR_clear_error();
1262                                 value=NULL;
1263                                 }
1264
1265                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1266                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1267                                 {
1268                                 ERR_clear_error();
1269                                 n_min = -1;
1270                                 }
1271
1272                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1273                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1274                                 {
1275                                 ERR_clear_error();
1276                                 n_max = -1;
1277                                 }
1278
1279                         if (!add_DN_object(subj,v->value,def,value,nid,
1280                                 n_min,n_max, chtype, mval))
1281                                 return 0;
1282                         }
1283                 if (X509_NAME_entry_count(subj) == 0)
1284                         {
1285                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1286                         return 0;
1287                         }
1288
1289                 if (attribs)
1290                         {
1291                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1292                                 {
1293                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1294                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1295                                 }
1296
1297                         i= -1;
1298 start2:                 for (;;)
1299                                 {
1300                                 i++;
1301                                 if ((attr_sk == NULL) ||
1302                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1303                                         break;
1304
1305                                 v=sk_CONF_VALUE_value(attr_sk,i);
1306                                 type=v->name;
1307                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1308                                         goto start2;
1309
1310                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1311                                         >= (int)sizeof(buf))
1312                                    {
1313                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1314                                    return 0;
1315                                    }
1316
1317                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1318                                         == NULL)
1319                                         {
1320                                         ERR_clear_error();
1321                                         def="";
1322                                         }
1323
1324
1325                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1326                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1327                                         == NULL)
1328                                         {
1329                                         ERR_clear_error();
1330                                         value=NULL;
1331                                         }
1332
1333                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1334                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1335                                         n_min = -1;
1336
1337                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1338                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1339                                         n_max = -1;
1340
1341                                 if (!add_attribute_object(req,
1342                                         v->value,def,value,nid,n_min,n_max, chtype))
1343                                         return 0;
1344                                 }
1345                         }
1346                 }
1347         else
1348                 {
1349                 BIO_printf(bio_err,"No template, please set one up.\n");
1350                 return 0;
1351                 }
1352
1353         return 1;
1354
1355         }
1356
1357 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1358                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1359         {
1360         int i;
1361         char *p,*q;
1362         char *type;
1363         CONF_VALUE *v;
1364         X509_NAME *subj;
1365
1366         subj = X509_REQ_get_subject_name(req);
1367
1368         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1369                 {
1370                 int mval;
1371                 v=sk_CONF_VALUE_value(dn_sk,i);
1372                 p=q=NULL;
1373                 type=v->name;
1374                 /* Skip past any leading X. X: X, etc to allow for
1375                  * multiple instances
1376                  */
1377                 for(p = v->name; *p ; p++)
1378 #ifndef CHARSET_EBCDIC
1379                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1380 #else
1381                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1382 #endif
1383                                 p++;
1384                                 if(*p) type = p;
1385                                 break;
1386                         }
1387 #ifndef CHARSET_EBCDIC
1388                 if (*p == '+')
1389 #else
1390                 if (*p == os_toascii['+'])
1391 #endif
1392                         {
1393                         p++;
1394                         mval = -1;
1395                         }
1396                 else
1397                         mval = 0;
1398                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1399                                 (unsigned char *) v->value,-1,-1,mval)) return 0;
1400
1401                 }
1402
1403                 if (!X509_NAME_entry_count(subj))
1404                         {
1405                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1406                         return 0;
1407                         }
1408                 if (attribs)
1409                         {
1410                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1411                                 {
1412                                 v=sk_CONF_VALUE_value(attr_sk,i);
1413                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1414                                         (unsigned char *)v->value, -1)) return 0;
1415                                 }
1416                         }
1417         return 1;
1418         }
1419
1420
1421 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value,
1422              int nid, int n_min, int n_max, unsigned long chtype, int mval)
1423         {
1424         int i,ret=0;
1425         MS_STATIC char buf[1024];
1426 start:
1427         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1428         (void)BIO_flush(bio_err);
1429         if(value != NULL)
1430                 {
1431                 BUF_strlcpy(buf,value,sizeof buf);
1432                 BUF_strlcat(buf,"\n",sizeof buf);
1433                 BIO_printf(bio_err,"%s\n",value);
1434                 }
1435         else
1436                 {
1437                 buf[0]='\0';
1438                 if (!batch)
1439                         {
1440                         fgets(buf,sizeof buf,stdin);
1441                         }
1442                 else
1443                         {
1444                         buf[0] = '\n';
1445                         buf[1] = '\0';
1446                         }
1447                 }
1448
1449         if (buf[0] == '\0') return(0);
1450         else if (buf[0] == '\n')
1451                 {
1452                 if ((def == NULL) || (def[0] == '\0'))
1453                         return(1);
1454                 BUF_strlcpy(buf,def,sizeof buf);
1455                 BUF_strlcat(buf,"\n",sizeof buf);
1456                 }
1457         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1458
1459         i=strlen(buf);
1460         if (buf[i-1] != '\n')
1461                 {
1462                 BIO_printf(bio_err,"weird input :-(\n");
1463                 return(0);
1464                 }
1465         buf[--i]='\0';
1466 #ifdef CHARSET_EBCDIC
1467         ebcdic2ascii(buf, buf, i);
1468 #endif
1469         if(!req_check_len(i, n_min, n_max)) goto start;
1470         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1471                                 (unsigned char *) buf, -1,-1,mval)) goto err;
1472         ret=1;
1473 err:
1474         return(ret);
1475         }
1476
1477 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1478                                 char *value, int nid, int n_min,
1479                                 int n_max, unsigned long chtype)
1480         {
1481         int i;
1482         static char buf[1024];
1483
1484 start:
1485         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1486         (void)BIO_flush(bio_err);
1487         if (value != NULL)
1488                 {
1489                 BUF_strlcpy(buf,value,sizeof buf);
1490                 BUF_strlcat(buf,"\n",sizeof buf);
1491                 BIO_printf(bio_err,"%s\n",value);
1492                 }
1493         else
1494                 {
1495                 buf[0]='\0';
1496                 if (!batch)
1497                         {
1498                         fgets(buf,sizeof buf,stdin);
1499                         }
1500                 else
1501                         {
1502                         buf[0] = '\n';
1503                         buf[1] = '\0';
1504                         }
1505                 }
1506
1507         if (buf[0] == '\0') return(0);
1508         else if (buf[0] == '\n')
1509                 {
1510                 if ((def == NULL) || (def[0] == '\0'))
1511                         return(1);
1512                 BUF_strlcpy(buf,def,sizeof buf);
1513                 BUF_strlcat(buf,"\n",sizeof buf);
1514                 }
1515         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1516
1517         i=strlen(buf);
1518         if (buf[i-1] != '\n')
1519                 {
1520                 BIO_printf(bio_err,"weird input :-(\n");
1521                 return(0);
1522                 }
1523         buf[--i]='\0';
1524 #ifdef CHARSET_EBCDIC
1525         ebcdic2ascii(buf, buf, i);
1526 #endif
1527         if(!req_check_len(i, n_min, n_max)) goto start;
1528
1529         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1530                                         (unsigned char *)buf, -1)) {
1531                 BIO_printf(bio_err, "Error adding attribute\n");
1532                 ERR_print_errors(bio_err);
1533                 goto err;
1534         }
1535
1536         return(1);
1537 err:
1538         return(0);
1539         }
1540
1541 static int req_check_len(int len, int n_min, int n_max)
1542         {
1543         if ((n_min > 0) && (len < n_min))
1544                 {
1545                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1546                 return(0);
1547                 }
1548         if ((n_max >= 0) && (len > n_max))
1549                 {
1550                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1551                 return(0);
1552                 }
1553         return(1);
1554         }
1555
1556 /* Check if the end of a string matches 'end' */
1557 static int check_end(const char *str, const char *end)
1558 {
1559         int elen, slen;
1560         const char *tmp;
1561         elen = strlen(end);
1562         slen = strlen(str);
1563         if(elen > slen) return 1;
1564         tmp = str + slen - elen;
1565         return strcmp(tmp, end);
1566 }
1567
1568 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr,
1569                                         long *pkeylen, const char **palgnam,
1570                                         ENGINE *e)
1571         {
1572         EVP_PKEY_CTX *gctx = NULL;
1573         EVP_PKEY *param = NULL;
1574         long keylen = -1;
1575         int pkey_type = -1;
1576         BIO *pbio = NULL;
1577         const char *paramfile = NULL;
1578
1579         if (gstr == NULL)
1580                 {
1581                 pkey_type = EVP_PKEY_RSA;
1582                 keylen = *pkeylen;
1583                 }
1584         else if (gstr[0] >= '0' && gstr[0] <= '9')
1585                 {
1586                 pkey_type = EVP_PKEY_RSA;
1587                 keylen = atol(gstr);
1588                 *pkeylen = keylen;
1589                 }
1590         else if (!strncmp(gstr, "param:", 6))
1591                 paramfile = gstr + 6;
1592         else
1593                 {
1594                 const char *p = strchr(gstr, ':');
1595                 int len;
1596                 const EVP_PKEY_ASN1_METHOD *ameth;
1597
1598                 if (p)
1599                         len = p - gstr;
1600                 else
1601                         len = strlen(gstr);
1602
1603                 ameth = EVP_PKEY_asn1_find_str(gstr, len);
1604
1605                 if (!ameth)
1606                         {
1607                         BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr);
1608                         return NULL;
1609                         }
1610
1611                 EVP_PKEY_asn1_get0_info(NULL, &pkey_type, NULL, NULL, NULL,
1612                                                 ameth);
1613                 if (pkey_type == EVP_PKEY_RSA)
1614                         {
1615                         if (p)
1616                                 {
1617                                 keylen = atol(p + 1);
1618                                 *pkeylen = keylen;
1619                                 }
1620                         }
1621                 else if (p)
1622                         paramfile = p + 1;
1623                 }
1624
1625         if (paramfile)
1626                 {
1627                 pbio = BIO_new_file(paramfile, "r");
1628                 if (!pbio)
1629                         {
1630                         BIO_printf(err, "Can't open parameter file %s\n",
1631                                         paramfile);
1632                         return NULL;
1633                         }
1634                 param = PEM_read_bio_Parameters(pbio, NULL);
1635
1636                 if (!param)
1637                         {
1638                         X509 *x;
1639                         BIO_reset(pbio);
1640                         x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1641                         if (x)
1642                                 {
1643                                 param = X509_get_pubkey(x);
1644                                 X509_free(x);
1645                                 }
1646                         }
1647
1648                 BIO_free(pbio);
1649
1650                 if (!param)
1651                         {
1652                         BIO_printf(err, "Error reading parameter file %s\n",
1653                                         paramfile);
1654                         return NULL;
1655                         }
1656                 if (pkey_type == -1)
1657                         pkey_type = EVP_PKEY_id(param);
1658                 else if (pkey_type != EVP_PKEY_base_id(param))
1659                         {
1660                         BIO_printf(err, "Key Type does not match parameters\n");
1661                         EVP_PKEY_free(param);
1662                         return NULL;
1663                         }
1664                 }
1665
1666         if (palgnam)
1667                 {
1668                 const EVP_PKEY_ASN1_METHOD *ameth;
1669                 ameth = EVP_PKEY_asn1_find(pkey_type);
1670                 if (!ameth)
1671                         {
1672                         BIO_puts(err, "Internal error: can't find key algorithm\n");
1673                         return NULL;
1674                         }
1675                 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, palgnam,
1676                                                 ameth);
1677                 }
1678
1679         if (param)
1680                 {
1681                 gctx = EVP_PKEY_CTX_new(param, e);
1682                 *pkeylen = EVP_PKEY_bits(param);
1683                 EVP_PKEY_free(param);
1684                 }
1685         else
1686                 gctx = EVP_PKEY_CTX_new_id(pkey_type, e);
1687
1688         if (!gctx)
1689                 {
1690                 BIO_puts(err, "Error allocating keygen context\n");
1691                 ERR_print_errors(err);
1692                 return NULL;
1693                 }
1694
1695         if (EVP_PKEY_keygen_init(gctx) <= 0)
1696                 {
1697                 BIO_puts(err, "Error initializing keygen context\n");
1698                 ERR_print_errors(err);
1699                 return NULL;
1700                 }
1701
1702         if ((pkey_type == EVP_PKEY_RSA) && (keylen != -1))
1703                 {
1704                 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0)
1705                         {
1706                         BIO_puts(err, "Error setting RSA keysize\n");
1707                         ERR_print_errors(err);
1708                         EVP_PKEY_CTX_free(gctx);
1709                         return NULL;
1710                         }
1711                 }
1712
1713         return gctx;
1714         }
1715
1716 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1717         {
1718         char c='*';
1719         BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1720         int p;
1721         p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1722         if (p == 0) c='.';
1723         if (p == 1) c='+';
1724         if (p == 2) c='*';
1725         if (p == 3) c='\n';
1726         BIO_write(b,&c,1);
1727         (void)BIO_flush(b);
1728 #ifdef LINT
1729         p=n;
1730 #endif
1731         return 1;
1732         }