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