crypto/openssl-0.9.7d/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 "../crypto/cryptlib.h"
  77
  78 #define SECTION         "req"
  79
  80 #define BITS            "default_bits"
  81 #define KEYFILE         "default_keyfile"
  82 #define PROMPT          "prompt"
  83 #define DISTINGUISHED_NAME      "distinguished_name"
  84 #define ATTRIBUTES      "attributes"
  85 #define V3_EXTENSIONS   "x509_extensions"
  86 #define REQ_EXTENSIONS  "req_extensions"
  87 #define STRING_MASK     "string_mask"
  88 #define UTF8_IN         "utf8"
  89
  90 #define DEFAULT_KEY_LENGTH      512
  91 #define MIN_KEY_LENGTH          384
  92
  93 #undef PROG
  94 #define PROG    req_main
  95
  96 /* -inform arg  - input format - default PEM (DER or PEM)
  97  * -outform arg - output format - default PEM
  98  * -in arg      - input file - default stdin
  99  * -out arg     - output file - default stdout
 100  * -verify      - check request signature
 101  * -noout       - don't print stuff out.
 102  * -text        - print out human readable text.
 103  * -nodes       - no des encryption
 104  * -config file - Load configuration file.
 105  * -key file    - make a request using key in file (or use it for verification).
 106  * -keyform arg - key file format.
 107  * -rand file(s) - load the file(s) into the PRNG.
 108  * -newkey      - make a key and a request.
 109  * -modulus     - print RSA modulus.
 110  * -pubkey      - output Public Key.
 111  * -x509        - output a self signed X509 structure instead.
 112  * -asn1-kludge - output new certificate request in a format that some CA's
 113  *                require.  This format is wrong
 114  */
 115
 116 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 117                 unsigned long chtype);
 118 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 119 static int prompt_info(X509_REQ *req,
 120                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 121                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 122                 unsigned long chtype);
 123 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 124                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 125                                 unsigned long chtype);
 126 static int add_attribute_object(X509_REQ *req, char *text,
 127                                 char *def, char *value, int nid, int n_min,
 128                                 int n_max, unsigned long chtype);
 129 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 130         int nid,int n_min,int n_max, unsigned long chtype);
 131 #ifndef OPENSSL_NO_RSA
 132 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 133 #endif
 134 static int req_check_len(int len,int n_min,int n_max);
 135 static int check_end(char *str, char *end);
 136 #ifndef MONOLITH
 137 static char *default_config_file=NULL;
 138 #endif
 139 static CONF *req_conf=NULL;
 140 static int batch=0;
 141
 142 #define TYPE_RSA        1
 143 #define TYPE_DSA        2
 144 #define TYPE_DH         3
 145
 146 int MAIN(int, char **);
 147
 148 int MAIN(int argc, char **argv)
 149         {
 150         ENGINE *e = NULL;
 151 #ifndef OPENSSL_NO_DSA
 152         DSA *dsa_params=NULL;
 153 #endif
 154         unsigned long nmflag = 0, reqflag = 0;
 155         int ex=1,x509=0,days=30;
 156         X509 *x509ss=NULL;
 157         X509_REQ *req=NULL;
 158         EVP_PKEY *pkey=NULL;
 159         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 160         long newkey = -1;
 161         BIO *in=NULL,*out=NULL;
 162         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 163         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 164         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 165 #ifndef OPENSSL_NO_ENGINE
 166         char *engine=NULL;
 167 #endif
 168         char *extensions = NULL;
 169         char *req_exts = NULL;
 170         const EVP_CIPHER *cipher=NULL;
 171         ASN1_INTEGER *serial = NULL;
 172         int modulus=0;
 173         char *inrand=NULL;
 174         char *passargin = NULL, *passargout = NULL;
 175         char *passin = NULL, *passout = NULL;
 176         char *p;
 177         char *subj = NULL;
 178         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 179         unsigned long chtype = MBSTRING_ASC;
 180 #ifndef MONOLITH
 181         char *to_free;
 182         long errline;
 183 #endif
 184
 185         req_conf = NULL;
 186 #ifndef OPENSSL_NO_DES
 187         cipher=EVP_des_ede3_cbc();
 188 #endif
 189         apps_startup();
 190
 191         if (bio_err == NULL)
 192                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 193                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 194
 195         infile=NULL;
 196         outfile=NULL;
 197         informat=FORMAT_PEM;
 198         outformat=FORMAT_PEM;
 199
 200         prog=argv[0];
 201         argc--;
 202         argv++;
 203         while (argc >= 1)
 204                 {
 205                 if      (strcmp(*argv,"-inform") == 0)
 206                         {
 207                         if (--argc < 1) goto bad;
 208                         informat=str2fmt(*(++argv));
 209                         }
 210                 else if (strcmp(*argv,"-outform") == 0)
 211                         {
 212                         if (--argc < 1) goto bad;
 213                         outformat=str2fmt(*(++argv));
 214                         }
 215 #ifndef OPENSSL_NO_ENGINE
 216                 else if (strcmp(*argv,"-engine") == 0)
 217                         {
 218                         if (--argc < 1) goto bad;
 219                         engine= *(++argv);
 220                         }
 221 #endif
 222                 else if (strcmp(*argv,"-key") == 0)
 223                         {
 224                         if (--argc < 1) goto bad;
 225                         keyfile= *(++argv);
 226                         }
 227                 else if (strcmp(*argv,"-pubkey") == 0)
 228                         {
 229                         pubkey=1;
 230                         }
 231                 else if (strcmp(*argv,"-new") == 0)
 232                         {
 233                         newreq=1;
 234                         }
 235                 else if (strcmp(*argv,"-config") == 0)
 236                         {
 237                         if (--argc < 1) goto bad;
 238                         template= *(++argv);
 239                         }
 240                 else if (strcmp(*argv,"-keyform") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         keyform=str2fmt(*(++argv));
 244                         }
 245                 else if (strcmp(*argv,"-in") == 0)
 246                         {
 247                         if (--argc < 1) goto bad;
 248                         infile= *(++argv);
 249                         }
 250                 else if (strcmp(*argv,"-out") == 0)
 251                         {
 252                         if (--argc < 1) goto bad;
 253                         outfile= *(++argv);
 254                         }
 255                 else if (strcmp(*argv,"-keyout") == 0)
 256                         {
 257                         if (--argc < 1) goto bad;
 258                         keyout= *(++argv);
 259                         }
 260                 else if (strcmp(*argv,"-passin") == 0)
 261                         {
 262                         if (--argc < 1) goto bad;
 263                         passargin= *(++argv);
 264                         }
 265                 else if (strcmp(*argv,"-passout") == 0)
 266                         {
 267                         if (--argc < 1) goto bad;
 268                         passargout= *(++argv);
 269                         }
 270                 else if (strcmp(*argv,"-rand") == 0)
 271                         {
 272                         if (--argc < 1) goto bad;
 273                         inrand= *(++argv);
 274                         }
 275                 else if (strcmp(*argv,"-newkey") == 0)
 276                         {
 277                         int is_numeric;
 278
 279                         if (--argc < 1) goto bad;
 280                         p= *(++argv);
 281                         is_numeric = p[0] >= '0' && p[0] <= '9';
 282                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 283                                 {
 284                                 pkey_type=TYPE_RSA;
 285                                 if(!is_numeric)
 286                                     p+=4;
 287                                 newkey= atoi(p);
 288                                 }
 289                         else
 290 #ifndef OPENSSL_NO_DSA
 291                                 if (strncmp("dsa:",p,4) == 0)
 292                                 {
 293                                 X509 *xtmp=NULL;
 294                                 EVP_PKEY *dtmp;
 295
 296                                 pkey_type=TYPE_DSA;
 297                                 p+=4;
 298                                 if ((in=BIO_new_file(p,"r")) == NULL)
 299                                         {
 300                                         perror(p);
 301                                         goto end;
 302                                         }
 303                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 304                                         {
 305                                         ERR_clear_error();
 306                                         (void)BIO_reset(in);
 307                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 308                                                 {
 309                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 310                                                 goto end;
 311                                                 }
 312
 313                                         if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end;
 314                                         if (dtmp->type == EVP_PKEY_DSA)
 315                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 316                                         EVP_PKEY_free(dtmp);
 317                                         X509_free(xtmp);
 318                                         if (dsa_params == NULL)
 319                                                 {
 320                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 321                                                 goto end;
 322                                                 }
 323                                         }
 324                                 BIO_free(in);
 325                                 newkey=BN_num_bits(dsa_params->p);
 326                                 in=NULL;
 327                                 }
 328                         else
 329 #endif
 330 #ifndef OPENSSL_NO_DH
 331                                 if (strncmp("dh:",p,4) == 0)
 332                                 {
 333                                 pkey_type=TYPE_DH;
 334                                 p+=3;
 335                                 }
 336                         else
 337 #endif
 338                                 pkey_type=TYPE_RSA;
 339
 340                         newreq=1;
 341                         }
 342                 else if (strcmp(*argv,"-batch") == 0)
 343                         batch=1;
 344                 else if (strcmp(*argv,"-newhdr") == 0)
 345                         newhdr=1;
 346                 else if (strcmp(*argv,"-modulus") == 0)
 347                         modulus=1;
 348                 else if (strcmp(*argv,"-verify") == 0)
 349                         verify=1;
 350                 else if (strcmp(*argv,"-nodes") == 0)
 351                         nodes=1;
 352                 else if (strcmp(*argv,"-noout") == 0)
 353                         noout=1;
 354                 else if (strcmp(*argv,"-verbose") == 0)
 355                         verbose=1;
 356                 else if (strcmp(*argv,"-utf8") == 0)
 357                         chtype = MBSTRING_UTF8;
 358                 else if (strcmp(*argv,"-nameopt") == 0)
 359                         {
 360                         if (--argc < 1) goto bad;
 361                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 362                         }
 363                 else if (strcmp(*argv,"-reqopt") == 0)
 364                         {
 365                         if (--argc < 1) goto bad;
 366                         if (!set_cert_ex(&reqflag, *(++argv))) goto bad;
 367                         }
 368                 else if (strcmp(*argv,"-subject") == 0)
 369                         subject=1;
 370                 else if (strcmp(*argv,"-text") == 0)
 371                         text=1;
 372                 else if (strcmp(*argv,"-x509") == 0)
 373                         x509=1;
 374                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 375                         kludge=1;
 376                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 377                         kludge=0;
 378                 else if (strcmp(*argv,"-subj") == 0)
 379                         {
 380                         if (--argc < 1) goto bad;
 381                         subj= *(++argv);
 382                         }
 383                 else if (strcmp(*argv,"-days") == 0)
 384                         {
 385                         if (--argc < 1) goto bad;
 386                         days= atoi(*(++argv));
 387                         if (days == 0) days=30;
 388                         }
 389                 else if (strcmp(*argv,"-set_serial") == 0)
 390                         {
 391                         if (--argc < 1) goto bad;
 392                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 393                         if (!serial) goto bad;
 394                         }
 395                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 396                         {
 397                         /* ok */
 398                         digest=md_alg;
 399                         }
 400                 else if (strcmp(*argv,"-extensions") == 0)
 401                         {
 402                         if (--argc < 1) goto bad;
 403                         extensions = *(++argv);
 404                         }
 405                 else if (strcmp(*argv,"-reqexts") == 0)
 406                         {
 407                         if (--argc < 1) goto bad;
 408                         req_exts = *(++argv);
 409                         }
 410                 else
 411                         {
 412                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 413                         badops=1;
 414                         break;
 415                         }
 416                 argc--;
 417                 argv++;
 418                 }
 419
 420         if (badops)
 421                 {
 422 bad:
 423                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 424                 BIO_printf(bio_err,"where options  are\n");
 425                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 426                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 427                 BIO_printf(bio_err," -in arg        input file\n");
 428                 BIO_printf(bio_err," -out arg       output file\n");
 429                 BIO_printf(bio_err," -text          text form of request\n");
 430                 BIO_printf(bio_err," -pubkey        output public key\n");
 431                 BIO_printf(bio_err," -noout         do not output REQ\n");
 432                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 433                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 434                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 435 #ifndef OPENSSL_NO_ENGINE
 436                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 437 #endif
 438                 BIO_printf(bio_err," -subject       output the request's subject\n");
 439                 BIO_printf(bio_err," -passin        private key password source\n");
 440                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 441                 BIO_printf(bio_err," -keyform arg   key file format\n");
 442                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 443                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 444                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 445                 BIO_printf(bio_err,"                the random number generator\n");
 446                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 447                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 448                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 449                 BIO_printf(bio_err," -config file   request template file.\n");
 450                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 451                 BIO_printf(bio_err," -new           new request.\n");
 452                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 453                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 454                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 455                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 456                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 457                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 458                 BIO_printf(bio_err,"                have been reported as requiring\n");
 459                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 460                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 461                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 462                 BIO_printf(bio_err," -nameopt arg    - various certificate name options\n");
 463                 BIO_printf(bio_err," -reqopt arg    - various request text options\n\n");
 464                 goto end;
 465                 }
 466
 467         ERR_load_crypto_strings();
 468         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 469                 BIO_printf(bio_err, "Error getting passwords\n");
 470                 goto end;
 471         }
 472
 473 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 474         /* Lets load up our environment a little */
 475         p=getenv("OPENSSL_CONF");
 476         if (p == NULL)
 477                 p=getenv("SSLEAY_CONF");
 478         if (p == NULL)
 479                 p=to_free=make_config_name();
 480         default_config_file=p;
 481         config=NCONF_new(NULL);
 482         i=NCONF_load(config, p, &errline);
 483 #endif
 484
 485         if (template != NULL)
 486                 {
 487                 long errline = -1;
 488
 489                 if( verbose )
 490                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 491                 req_conf=NCONF_new(NULL);
 492                 i=NCONF_load(req_conf,template,&errline);
 493                 if (i == 0)
 494                         {
 495                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 496                         goto end;
 497                         }
 498                 }
 499         else
 500                 {
 501                 req_conf=config;
 502                 if( verbose )
 503                         BIO_printf(bio_err,"Using configuration from %s\n",
 504                         default_config_file);
 505                 if (req_conf == NULL)
 506                         {
 507                         BIO_printf(bio_err,"Unable to load config info\n");
 508                         }
 509                 }
 510
 511         if (req_conf != NULL)
 512                 {
 513                 if (!load_config(bio_err, req_conf))
 514                         goto end;
 515                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 516                 if (p == NULL)
 517                         ERR_clear_error();
 518                 if (p != NULL)
 519                         {
 520                         BIO *oid_bio;
 521
 522                         oid_bio=BIO_new_file(p,"r");
 523                         if (oid_bio == NULL)
 524                                 {
 525                                 /*
 526                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 527                                 ERR_print_errors(bio_err);
 528                                 */
 529                                 }
 530                         else
 531                                 {
 532                                 OBJ_create_objects(oid_bio);
 533                                 BIO_free(oid_bio);
 534                                 }
 535                         }
 536                 }
 537         if(!add_oid_section(bio_err, req_conf)) goto end;
 538
 539         if (md_alg == NULL)
 540                 {
 541                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 542                 if (p == NULL)
 543                         ERR_clear_error();
 544                 if (p != NULL)
 545                         {
 546                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 547                                 digest=md_alg;
 548                         }
 549                 }
 550
 551         if (!extensions)
 552                 {
 553                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 554                 if (!extensions)
 555                         ERR_clear_error();
 556                 }
 557         if (extensions) {
 558                 /* Check syntax of file */
 559                 X509V3_CTX ctx;
 560                 X509V3_set_ctx_test(&ctx);
 561                 X509V3_set_nconf(&ctx, req_conf);
 562                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 563                         BIO_printf(bio_err,
 564                          "Error Loading extension section %s\n", extensions);
 565                         goto end;
 566                 }
 567         }
 568
 569         if(!passin)
 570                 {
 571                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 572                 if (!passin)
 573                         ERR_clear_error();
 574                 }
 575
 576         if(!passout)
 577                 {
 578                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 579                 if (!passout)
 580                         ERR_clear_error();
 581                 }
 582
 583         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 584         if (!p)
 585                 ERR_clear_error();
 586
 587         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 588                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 589                 goto end;
 590         }
 591
 592         if (chtype != MBSTRING_UTF8)
 593                 {
 594                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 595                 if (!p)
 596                         ERR_clear_error();
 597                 else if (!strcmp(p, "yes"))
 598                         chtype = MBSTRING_UTF8;
 599                 }
 600
 601
 602         if(!req_exts)
 603                 {
 604                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 605                 if (!req_exts)
 606                         ERR_clear_error();
 607                 }
 608         if(req_exts) {
 609                 /* Check syntax of file */
 610                 X509V3_CTX ctx;
 611                 X509V3_set_ctx_test(&ctx);
 612                 X509V3_set_nconf(&ctx, req_conf);
 613                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 614                         BIO_printf(bio_err,
 615                          "Error Loading request extension section %s\n",
 616                                                                 req_exts);
 617                         goto end;
 618                 }
 619         }
 620
 621         in=BIO_new(BIO_s_file());
 622         out=BIO_new(BIO_s_file());
 623         if ((in == NULL) || (out == NULL))
 624                 goto end;
 625
 626 #ifndef OPENSSL_NO_ENGINE
 627         e = setup_engine(bio_err, engine, 0);
 628 #endif
 629
 630         if (keyfile != NULL)
 631                 {
 632                 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e,
 633                         "Private Key");
 634                 if (!pkey)
 635                         {
 636                         /* load_key() has already printed an appropriate
 637                            message */
 638                         goto end;
 639                         }
 640                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA)
 641                         {
 642                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 643                         if (randfile == NULL)
 644                                 ERR_clear_error();
 645                         app_RAND_load_file(randfile, bio_err, 0);
 646                         }
 647                 }
 648
 649         if (newreq && (pkey == NULL))
 650                 {
 651                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 652                 if (randfile == NULL)
 653                         ERR_clear_error();
 654                 app_RAND_load_file(randfile, bio_err, 0);
 655                 if (inrand)
 656                         app_RAND_load_files(inrand);
 657
 658                 if (newkey <= 0)
 659                         {
 660                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 661                                 newkey=DEFAULT_KEY_LENGTH;
 662                         }
 663
 664                 if (newkey < MIN_KEY_LENGTH)
 665                         {
 666                         BIO_printf(bio_err,"private key length is too short,\n");
 667                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 668                         goto end;
 669                         }
 670                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 671                         newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA");
 672
 673                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 674
 675 #ifndef OPENSSL_NO_RSA
 676                 if (pkey_type == TYPE_RSA)
 677                         {
 678                         if (!EVP_PKEY_assign_RSA(pkey,
 679                                 RSA_generate_key(newkey,0x10001,
 680                                         req_cb,bio_err)))
 681                                 goto end;
 682                         }
 683                 else
 684 #endif
 685 #ifndef OPENSSL_NO_DSA
 686                         if (pkey_type == TYPE_DSA)
 687                         {
 688                         if (!DSA_generate_key(dsa_params)) goto end;
 689                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 690                         dsa_params=NULL;
 691                         }
 692 #endif
 693
 694                 app_RAND_write_file(randfile, bio_err);
 695
 696                 if (pkey == NULL) goto end;
 697
 698                 if (keyout == NULL)
 699                         {
 700                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 701                         if (keyout == NULL)
 702                                 ERR_clear_error();
 703                         }
 704
 705                 if (keyout == NULL)
 706                         {
 707                         BIO_printf(bio_err,"writing new private key to stdout\n");
 708                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 709 #ifdef OPENSSL_SYS_VMS
 710                         {
 711                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 712                         out = BIO_push(tmpbio, out);
 713                         }
 714 #endif
 715                         }
 716                 else
 717                         {
 718                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 719                         if (BIO_write_filename(out,keyout) <= 0)
 720                                 {
 721                                 perror(keyout);
 722                                 goto end;
 723                                 }
 724                         }
 725
 726                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 727                 if (p == NULL)
 728                         {
 729                         ERR_clear_error();
 730                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 731                         if (p == NULL)
 732                                 ERR_clear_error();
 733                         }
 734                 if ((p != NULL) && (strcmp(p,"no") == 0))
 735                         cipher=NULL;
 736                 if (nodes) cipher=NULL;
 737
 738                 i=0;
 739 loop:
 740                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 741                         NULL,0,NULL,passout))
 742                         {
 743                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 744                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 745                                 {
 746                                 ERR_clear_error();
 747                                 i++;
 748                                 goto loop;
 749                                 }
 750                         goto end;
 751                         }
 752                 BIO_printf(bio_err,"-----\n");
 753                 }
 754
 755         if (!newreq)
 756                 {
 757                 /* Since we are using a pre-existing certificate
 758                  * request, the kludge 'format' info should not be
 759                  * changed. */
 760                 kludge= -1;
 761                 if (infile == NULL)
 762                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 763                 else
 764                         {
 765                         if (BIO_read_filename(in,infile) <= 0)
 766                                 {
 767                                 perror(infile);
 768                                 goto end;
 769                                 }
 770                         }
 771
 772                 if      (informat == FORMAT_ASN1)
 773                         req=d2i_X509_REQ_bio(in,NULL);
 774                 else if (informat == FORMAT_PEM)
 775                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 776                 else
 777                         {
 778                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 779                         goto end;
 780                         }
 781                 if (req == NULL)
 782                         {
 783                         BIO_printf(bio_err,"unable to load X509 request\n");
 784                         goto end;
 785                         }
 786                 }
 787
 788         if (newreq || x509)
 789                 {
 790                 if (pkey == NULL)
 791                         {
 792                         BIO_printf(bio_err,"you need to specify a private key\n");
 793                         goto end;
 794                         }
 795 #ifndef OPENSSL_NO_DSA
 796                 if (pkey->type == EVP_PKEY_DSA)
 797                         digest=EVP_dss1();
 798 #endif
 799                 if (req == NULL)
 800                         {
 801                         req=X509_REQ_new();
 802                         if (req == NULL)
 803                                 {
 804                                 goto end;
 805                                 }
 806
 807                         i=make_REQ(req,pkey,subj,!x509, chtype);
 808                         subj=NULL; /* done processing '-subj' option */
 809                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 810                                 {
 811                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 812                                 req->req_info->attributes = NULL;
 813                                 }
 814                         if (!i)
 815                                 {
 816                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 817                                 goto end;
 818                                 }
 819                         }
 820                 if (x509)
 821                         {
 822                         EVP_PKEY *tmppkey;
 823                         X509V3_CTX ext_ctx;
 824                         if ((x509ss=X509_new()) == NULL) goto end;
 825
 826                         /* Set version to V3 */
 827                         if(extensions && !X509_set_version(x509ss, 2)) goto end;
 828                         if (serial)
 829                                 {
 830                                 if (!X509_set_serialNumber(x509ss, serial)) goto end;
 831                                 }
 832                         else
 833                                 {
 834                                 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end;
 835                                 }
 836
 837                         if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 838                         if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end;
 839                         if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end;
 840                         if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end;
 841                         tmppkey = X509_REQ_get_pubkey(req);
 842                         if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end;
 843                         EVP_PKEY_free(tmppkey);
 844
 845                         /* Set up V3 context struct */
 846
 847                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 848                         X509V3_set_nconf(&ext_ctx, req_conf);
 849
 850                         /* Add extensions */
 851                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 852                                         &ext_ctx, extensions, x509ss))
 853                                 {
 854                                 BIO_printf(bio_err,
 855                                         "Error Loading extension section %s\n",
 856                                         extensions);
 857                                 goto end;
 858                                 }
 859
 860                         if (!(i=X509_sign(x509ss,pkey,digest)))
 861                                 goto end;
 862                         }
 863                 else
 864                         {
 865                         X509V3_CTX ext_ctx;
 866
 867                         /* Set up V3 context struct */
 868
 869                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 870                         X509V3_set_nconf(&ext_ctx, req_conf);
 871
 872                         /* Add extensions */
 873                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 874                                         &ext_ctx, req_exts, req))
 875                                 {
 876                                 BIO_printf(bio_err,
 877                                         "Error Loading extension section %s\n",
 878                                         req_exts);
 879                                 goto end;
 880                                 }
 881                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 882                                 goto end;
 883                         }
 884                 }
 885
 886         if (subj && x509)
 887                 {
 888                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 889                 goto end;
 890                 }
 891
 892         if (subj && !x509)
 893                 {
 894                 if (verbose)
 895                         {
 896                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 897                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 898                         }
 899
 900                 if (build_subject(req, subj, chtype) == 0)
 901                         {
 902                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 903                         ex=1;
 904                         goto end;
 905                         }
 906
 907                 req->req_info->enc.modified = 1;
 908
 909                 if (verbose)
 910                         {
 911                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 912                         }
 913                 }
 914
 915         if (verify && !x509)
 916                 {
 917                 int tmp=0;
 918
 919                 if (pkey == NULL)
 920                         {
 921                         pkey=X509_REQ_get_pubkey(req);
 922                         tmp=1;
 923                         if (pkey == NULL) goto end;
 924                         }
 925
 926                 i=X509_REQ_verify(req,pkey);
 927                 if (tmp) {
 928                         EVP_PKEY_free(pkey);
 929                         pkey=NULL;
 930                 }
 931
 932                 if (i < 0)
 933                         {
 934                         goto end;
 935                         }
 936                 else if (i == 0)
 937                         {
 938                         BIO_printf(bio_err,"verify failure\n");
 939                         ERR_print_errors(bio_err);
 940                         }
 941                 else /* if (i > 0) */
 942                         BIO_printf(bio_err,"verify OK\n");
 943                 }
 944
 945         if (noout && !text && !modulus && !subject && !pubkey)
 946                 {
 947                 ex=0;
 948                 goto end;
 949                 }
 950
 951         if (outfile == NULL)
 952                 {
 953                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
 954 #ifdef OPENSSL_SYS_VMS
 955                 {
 956                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 957                 out = BIO_push(tmpbio, out);
 958                 }
 959 #endif
 960                 }
 961         else
 962                 {
 963                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
 964                         i=(int)BIO_append_filename(out,outfile);
 965                 else
 966                         i=(int)BIO_write_filename(out,outfile);
 967                 if (!i)
 968                         {
 969                         perror(outfile);
 970                         goto end;
 971                         }
 972                 }
 973
 974         if (pubkey)
 975                 {
 976                 EVP_PKEY *tpubkey;
 977                 tpubkey=X509_REQ_get_pubkey(req);
 978                 if (tpubkey == NULL)
 979                         {
 980                         BIO_printf(bio_err,"Error getting public key\n");
 981                         ERR_print_errors(bio_err);
 982                         goto end;
 983                         }
 984                 PEM_write_bio_PUBKEY(out, tpubkey);
 985                 EVP_PKEY_free(tpubkey);
 986                 }
 987
 988         if (text)
 989                 {
 990                 if (x509)
 991                         X509_print_ex(out, x509ss, nmflag, reqflag);
 992                 else
 993                         X509_REQ_print_ex(out, req, nmflag, reqflag);
 994                 }
 995
 996         if(subject)
 997                 {
 998                 if(x509)
 999                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1000                 else
1001                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1002                 }
1003
1004         if (modulus)
1005                 {
1006                 EVP_PKEY *tpubkey;
1007
1008                 if (x509)
1009                         tpubkey=X509_get_pubkey(x509ss);
1010                 else
1011                         tpubkey=X509_REQ_get_pubkey(req);
1012                 if (tpubkey == NULL)
1013                         {
1014                         fprintf(stdout,"Modulus=unavailable\n");
1015                         goto end;
1016                         }
1017                 fprintf(stdout,"Modulus=");
1018 #ifndef OPENSSL_NO_RSA
1019                 if (tpubkey->type == EVP_PKEY_RSA)
1020                         BN_print(out,tpubkey->pkey.rsa->n);
1021                 else
1022 #endif
1023                         fprintf(stdout,"Wrong Algorithm type");
1024                 EVP_PKEY_free(tpubkey);
1025                 fprintf(stdout,"\n");
1026                 }
1027
1028         if (!noout && !x509)
1029                 {
1030                 if      (outformat == FORMAT_ASN1)
1031                         i=i2d_X509_REQ_bio(out,req);
1032                 else if (outformat == FORMAT_PEM) {
1033                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1034                         else i=PEM_write_bio_X509_REQ(out,req);
1035                 } else {
1036                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1037                         goto end;
1038                         }
1039                 if (!i)
1040                         {
1041                         BIO_printf(bio_err,"unable to write X509 request\n");
1042                         goto end;
1043                         }
1044                 }
1045         if (!noout && x509 && (x509ss != NULL))
1046                 {
1047                 if      (outformat == FORMAT_ASN1)
1048                         i=i2d_X509_bio(out,x509ss);
1049                 else if (outformat == FORMAT_PEM)
1050                         i=PEM_write_bio_X509(out,x509ss);
1051                 else    {
1052                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1053                         goto end;
1054                         }
1055                 if (!i)
1056                         {
1057                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1058                         goto end;
1059                         }
1060                 }
1061         ex=0;
1062 end:
1063 #ifndef MONOLITH
1064         if(to_free)
1065                 OPENSSL_free(to_free);
1066 #endif
1067         if (ex)
1068                 {
1069                 ERR_print_errors(bio_err);
1070                 }
1071         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1072         BIO_free(in);
1073         BIO_free_all(out);
1074         EVP_PKEY_free(pkey);
1075         X509_REQ_free(req);
1076         X509_free(x509ss);
1077         ASN1_INTEGER_free(serial);
1078         if(passargin && passin) OPENSSL_free(passin);
1079         if(passargout && passout) OPENSSL_free(passout);
1080         OBJ_cleanup();
1081 #ifndef OPENSSL_NO_DSA
1082         if (dsa_params != NULL) DSA_free(dsa_params);
1083 #endif
1084         apps_shutdown();
1085         OPENSSL_EXIT(ex);
1086         }
1087
1088 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1089                         unsigned long chtype)
1090         {
1091         int ret=0,i;
1092         char no_prompt = 0;
1093         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1094         char *tmp, *dn_sect,*attr_sect;
1095
1096         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1097         if (tmp == NULL)
1098                 ERR_clear_error();
1099         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1100
1101         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1102         if (dn_sect == NULL)
1103                 {
1104                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1105                         DISTINGUISHED_NAME);
1106                 goto err;
1107                 }
1108         dn_sk=NCONF_get_section(req_conf,dn_sect);
1109         if (dn_sk == NULL)
1110                 {
1111                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1112                 goto err;
1113                 }
1114
1115         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1116         if (attr_sect == NULL)
1117                 {
1118                 ERR_clear_error();
1119                 attr_sk=NULL;
1120                 }
1121         else
1122                 {
1123                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1124                 if (attr_sk == NULL)
1125                         {
1126                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1127                         goto err;
1128                         }
1129                 }
1130
1131         /* setup version number */
1132         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1133
1134         if (no_prompt)
1135                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1136         else
1137                 {
1138                 if (subj)
1139                         i = build_subject(req, subj, chtype);
1140                 else
1141                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1142                 }
1143         if(!i) goto err;
1144
1145         if (!X509_REQ_set_pubkey(req,pkey)) goto err;
1146
1147         ret=1;
1148 err:
1149         return(ret);
1150         }
1151
1152 /*
1153  * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1154  * where characters may be escaped by \
1155  */
1156 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1157         {
1158         X509_NAME *n;
1159
1160         if (!(n = do_subject(subject, chtype)))
1161                 return 0;
1162
1163         if (!X509_REQ_set_subject_name(req, n))
1164                 {
1165                 X509_NAME_free(n);
1166                 return 0;
1167                 }
1168         X509_NAME_free(n);
1169         return 1;
1170 }
1171
1172
1173 static int prompt_info(X509_REQ *req,
1174                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1175                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1176                 unsigned long chtype)
1177         {
1178         int i;
1179         char *p,*q;
1180         char buf[100];
1181         int nid;
1182         long n_min,n_max;
1183         char *type,*def,*value;
1184         CONF_VALUE *v;
1185         X509_NAME *subj;
1186         subj = X509_REQ_get_subject_name(req);
1187
1188         if(!batch)
1189                 {
1190                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1191                 BIO_printf(bio_err,"into your certificate request.\n");
1192                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1193                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1194                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1195                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1196                 BIO_printf(bio_err,"-----\n");
1197                 }
1198
1199
1200         if (sk_CONF_VALUE_num(dn_sk))
1201                 {
1202                 i= -1;
1203 start:          for (;;)
1204                         {
1205                         i++;
1206                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1207
1208                         v=sk_CONF_VALUE_value(dn_sk,i);
1209                         p=q=NULL;
1210                         type=v->name;
1211                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1212                                 !check_end(type,"_default") ||
1213                                          !check_end(type,"_value")) continue;
1214                         /* Skip past any leading X. X: X, etc to allow for
1215                          * multiple instances
1216                          */
1217                         for(p = v->name; *p ; p++)
1218                                 if ((*p == ':') || (*p == ',') ||
1219                                                          (*p == '.')) {
1220                                         p++;
1221                                         if(*p) type = p;
1222                                         break;
1223                                 }
1224                         /* If OBJ not recognised ignore it */
1225                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1226                         if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name)
1227                                 >= sizeof buf)
1228                            {
1229                            BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1230                            return 0;
1231                            }
1232
1233                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1234                                 {
1235                                 ERR_clear_error();
1236                                 def="";
1237                                 }
1238
1239                         BIO_snprintf(buf,sizeof buf,"%s_value",v->name);
1240                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1241                                 {
1242                                 ERR_clear_error();
1243                                 value=NULL;
1244                                 }
1245
1246                         BIO_snprintf(buf,sizeof buf,"%s_min",v->name);
1247                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1248                                 {
1249                                 ERR_clear_error();
1250                                 n_min = -1;
1251                                 }
1252
1253                         BIO_snprintf(buf,sizeof buf,"%s_max",v->name);
1254                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1255                                 {
1256                                 ERR_clear_error();
1257                                 n_max = -1;
1258                                 }
1259
1260                         if (!add_DN_object(subj,v->value,def,value,nid,
1261                                 n_min,n_max, chtype))
1262                                 return 0;
1263                         }
1264                 if (X509_NAME_entry_count(subj) == 0)
1265                         {
1266                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1267                         return 0;
1268                         }
1269
1270                 if (attribs)
1271                         {
1272                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1273                                 {
1274                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1275                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1276                                 }
1277
1278                         i= -1;
1279 start2:                 for (;;)
1280                                 {
1281                                 i++;
1282                                 if ((attr_sk == NULL) ||
1283                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1284                                         break;
1285
1286                                 v=sk_CONF_VALUE_value(attr_sk,i);
1287                                 type=v->name;
1288                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1289                                         goto start2;
1290
1291                                 if (BIO_snprintf(buf,sizeof buf,"%s_default",type)
1292                                         >= sizeof buf)
1293                                    {
1294                                    BIO_printf(bio_err,"Name '%s' too long\n",v->name);
1295                                    return 0;
1296                                    }
1297
1298                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1299                                         == NULL)
1300                                         {
1301                                         ERR_clear_error();
1302                                         def="";
1303                                         }
1304
1305
1306                                 BIO_snprintf(buf,sizeof buf,"%s_value",type);
1307                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1308                                         == NULL)
1309                                         {
1310                                         ERR_clear_error();
1311                                         value=NULL;
1312                                         }
1313
1314                                 BIO_snprintf(buf,sizeof buf,"%s_min",type);
1315                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1316                                         n_min = -1;
1317
1318                                 BIO_snprintf(buf,sizeof buf,"%s_max",type);
1319                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1320                                         n_max = -1;
1321
1322                                 if (!add_attribute_object(req,
1323                                         v->value,def,value,nid,n_min,n_max, chtype))
1324                                         return 0;
1325                                 }
1326                         }
1327                 }
1328         else
1329                 {
1330                 BIO_printf(bio_err,"No template, please set one up.\n");
1331                 return 0;
1332                 }
1333
1334         return 1;
1335
1336         }
1337
1338 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1339                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1340         {
1341         int i;
1342         char *p,*q;
1343         char *type;
1344         CONF_VALUE *v;
1345         X509_NAME *subj;
1346
1347         subj = X509_REQ_get_subject_name(req);
1348
1349         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1350                 {
1351                 v=sk_CONF_VALUE_value(dn_sk,i);
1352                 p=q=NULL;
1353                 type=v->name;
1354                 /* Skip past any leading X. X: X, etc to allow for
1355                  * multiple instances
1356                  */
1357                 for(p = v->name; *p ; p++)
1358 #ifndef CHARSET_EBCDIC
1359                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1360 #else
1361                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1362 #endif
1363                                 p++;
1364                                 if(*p) type = p;
1365                                 break;
1366                         }
1367                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1368                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1369
1370                 }
1371
1372                 if (!X509_NAME_entry_count(subj))
1373                         {
1374                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1375                         return 0;
1376                         }
1377                 if (attribs)
1378                         {
1379                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1380                                 {
1381                                 v=sk_CONF_VALUE_value(attr_sk,i);
1382                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1383                                         (unsigned char *)v->value, -1)) return 0;
1384                                 }
1385                         }
1386         return 1;
1387         }
1388
1389
1390 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1391              int nid, int n_min, int n_max, unsigned long chtype)
1392         {
1393         int i,ret=0;
1394         MS_STATIC char buf[1024];
1395 start:
1396         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1397         (void)BIO_flush(bio_err);
1398         if(value != NULL)
1399                 {
1400                 BUF_strlcpy(buf,value,sizeof buf);
1401                 BUF_strlcat(buf,"\n",sizeof buf);
1402                 BIO_printf(bio_err,"%s\n",value);
1403                 }
1404         else
1405                 {
1406                 buf[0]='\0';
1407                 if (!batch)
1408                         {
1409                         fgets(buf,sizeof buf,stdin);
1410                         }
1411                 else
1412                         {
1413                         buf[0] = '\n';
1414                         buf[1] = '\0';
1415                         }
1416                 }
1417
1418         if (buf[0] == '\0') return(0);
1419         else if (buf[0] == '\n')
1420                 {
1421                 if ((def == NULL) || (def[0] == '\0'))
1422                         return(1);
1423                 BUF_strlcpy(buf,def,sizeof buf);
1424                 BUF_strlcat(buf,"\n",sizeof buf);
1425                 }
1426         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1427
1428         i=strlen(buf);
1429         if (buf[i-1] != '\n')
1430                 {
1431                 BIO_printf(bio_err,"weird input :-(\n");
1432                 return(0);
1433                 }
1434         buf[--i]='\0';
1435 #ifdef CHARSET_EBCDIC
1436         ebcdic2ascii(buf, buf, i);
1437 #endif
1438         if(!req_check_len(i, n_min, n_max)) goto start;
1439         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1440                                 (unsigned char *) buf, -1,-1,0)) goto err;
1441         ret=1;
1442 err:
1443         return(ret);
1444         }
1445
1446 static int add_attribute_object(X509_REQ *req, char *text,
1447                                 char *def, char *value, int nid, int n_min,
1448                                 int n_max, unsigned long chtype)
1449         {
1450         int i;
1451         static char buf[1024];
1452
1453 start:
1454         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1455         (void)BIO_flush(bio_err);
1456         if (value != NULL)
1457                 {
1458                 BUF_strlcpy(buf,value,sizeof buf);
1459                 BUF_strlcat(buf,"\n",sizeof buf);
1460                 BIO_printf(bio_err,"%s\n",value);
1461                 }
1462         else
1463                 {
1464                 buf[0]='\0';
1465                 if (!batch)
1466                         {
1467                         fgets(buf,sizeof buf,stdin);
1468                         }
1469                 else
1470                         {
1471                         buf[0] = '\n';
1472                         buf[1] = '\0';
1473                         }
1474                 }
1475
1476         if (buf[0] == '\0') return(0);
1477         else if (buf[0] == '\n')
1478                 {
1479                 if ((def == NULL) || (def[0] == '\0'))
1480                         return(1);
1481                 BUF_strlcpy(buf,def,sizeof buf);
1482                 BUF_strlcat(buf,"\n",sizeof buf);
1483                 }
1484         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1485
1486         i=strlen(buf);
1487         if (buf[i-1] != '\n')
1488                 {
1489                 BIO_printf(bio_err,"weird input :-(\n");
1490                 return(0);
1491                 }
1492         buf[--i]='\0';
1493 #ifdef CHARSET_EBCDIC
1494         ebcdic2ascii(buf, buf, i);
1495 #endif
1496         if(!req_check_len(i, n_min, n_max)) goto start;
1497
1498         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1499                                         (unsigned char *)buf, -1)) {
1500                 BIO_printf(bio_err, "Error adding attribute\n");
1501                 ERR_print_errors(bio_err);
1502                 goto err;
1503         }
1504
1505         return(1);
1506 err:
1507         return(0);
1508         }
1509
1510 #ifndef OPENSSL_NO_RSA
1511 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1512         {
1513         char c='*';
1514
1515         if (p == 0) c='.';
1516         if (p == 1) c='+';
1517         if (p == 2) c='*';
1518         if (p == 3) c='\n';
1519         BIO_write((BIO *)arg,&c,1);
1520         (void)BIO_flush((BIO *)arg);
1521 #ifdef LINT
1522         p=n;
1523 #endif
1524         }
1525 #endif
1526
1527 static int req_check_len(int len, int n_min, int n_max)
1528         {
1529         if ((n_min > 0) && (len < n_min))
1530                 {
1531                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1532                 return(0);
1533                 }
1534         if ((n_max >= 0) && (len > n_max))
1535                 {
1536                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1537                 return(0);
1538                 }
1539         return(1);
1540         }
1541
1542 /* Check if the end of a string matches 'end' */
1543 static int check_end(char *str, char *end)
1544 {
1545         int elen, slen;
1546         char *tmp;
1547         elen = strlen(end);
1548         slen = strlen(str);
1549         if(elen > slen) return 1;
1550         tmp = str + slen - elen;
1551         return strcmp(tmp, end);
1552 }