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
  77 #define SECTION         "req"
  78
  79 #define BITS            "default_bits"
  80 #define KEYFILE         "default_keyfile"
  81 #define PROMPT          "prompt"
  82 #define DISTINGUISHED_NAME      "distinguished_name"
  83 #define ATTRIBUTES      "attributes"
  84 #define V3_EXTENSIONS   "x509_extensions"
  85 #define REQ_EXTENSIONS  "req_extensions"
  86 #define STRING_MASK     "string_mask"
  87 #define UTF8_IN         "utf8"
  88
  89 #define DEFAULT_KEY_LENGTH      512
  90 #define MIN_KEY_LENGTH          384
  91
  92 #undef PROG
  93 #define PROG    req_main
  94
  95 /* -inform arg  - input format - default PEM (DER or PEM)
  96  * -outform arg - output format - default PEM
  97  * -in arg      - input file - default stdin
  98  * -out arg     - output file - default stdout
  99  * -verify      - check request signature
 100  * -noout       - don't print stuff out.
 101  * -text        - print out human readable text.
 102  * -nodes       - no des encryption
 103  * -config file - Load configuration file.
 104  * -key file    - make a request using key in file (or use it for verification).
 105  * -keyform arg - key file format.
 106  * -rand file(s) - load the file(s) into the PRNG.
 107  * -newkey      - make a key and a request.
 108  * -modulus     - print RSA modulus.
 109  * -pubkey      - output Public Key.
 110  * -x509        - output a self signed X509 structure instead.
 111  * -asn1-kludge - output new certificate request in a format that some CA's
 112  *                require.  This format is wrong
 113  */
 114
 115 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs,
 116                 unsigned long chtype);
 117 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype);
 118 static int prompt_info(X509_REQ *req,
 119                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
 120                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
 121                 unsigned long chtype);
 122 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
 123                                 STACK_OF(CONF_VALUE) *attr, int attribs,
 124                                 unsigned long chtype);
 125 static int add_attribute_object(X509_REQ *req, char *text,
 126                                 char *def, char *value, int nid, int n_min,
 127                                 int n_max, unsigned long chtype);
 128 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 129         int nid,int n_min,int n_max, unsigned long chtype);
 130 #ifndef OPENSSL_NO_RSA
 131 static void MS_CALLBACK req_cb(int p,int n,void *arg);
 132 #endif
 133 static int req_check_len(int len,int n_min,int n_max);
 134 static int check_end(char *str, char *end);
 135 #ifndef MONOLITH
 136 static char *default_config_file=NULL;
 137 static CONF *config=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 #define TYPE_ECDSA      4
 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 #ifndef OPENSSL_NO_ECDSA
 156         ECDSA *ecdsa_params = NULL;
 157 #endif
 158         unsigned long nmflag = 0;
 159         int ex=1,x509=0,days=30;
 160         X509 *x509ss=NULL;
 161         X509_REQ *req=NULL;
 162         EVP_PKEY *pkey=NULL;
 163         int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA;
 164         long newkey = -1;
 165         BIO *in=NULL,*out=NULL;
 166         int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM;
 167         int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0;
 168         char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL;
 169         char *engine=NULL;
 170         char *extensions = NULL;
 171         char *req_exts = NULL;
 172         const EVP_CIPHER *cipher=NULL;
 173         ASN1_INTEGER *serial = NULL;
 174         int modulus=0;
 175         char *inrand=NULL;
 176         char *passargin = NULL, *passargout = NULL;
 177         char *passin = NULL, *passout = NULL;
 178         char *p;
 179         char *subj = NULL;
 180         const EVP_MD *md_alg=NULL,*digest=EVP_md5();
 181         unsigned long chtype = MBSTRING_ASC;
 182 #ifndef MONOLITH
 183         MS_STATIC char config_name[256];
 184 #endif
 185
 186         req_conf = NULL;
 187 #ifndef OPENSSL_NO_DES
 188         cipher=EVP_des_ede3_cbc();
 189 #endif
 190         apps_startup();
 191
 192         if (bio_err == NULL)
 193                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 194                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 195
 196         infile=NULL;
 197         outfile=NULL;
 198         informat=FORMAT_PEM;
 199         outformat=FORMAT_PEM;
 200
 201         prog=argv[0];
 202         argc--;
 203         argv++;
 204         while (argc >= 1)
 205                 {
 206                 if      (strcmp(*argv,"-inform") == 0)
 207                         {
 208                         if (--argc < 1) goto bad;
 209                         informat=str2fmt(*(++argv));
 210                         }
 211                 else if (strcmp(*argv,"-outform") == 0)
 212                         {
 213                         if (--argc < 1) goto bad;
 214                         outformat=str2fmt(*(++argv));
 215                         }
 216                 else if (strcmp(*argv,"-engine") == 0)
 217                         {
 218                         if (--argc < 1) goto bad;
 219                         engine= *(++argv);
 220                         }
 221                 else if (strcmp(*argv,"-key") == 0)
 222                         {
 223                         if (--argc < 1) goto bad;
 224                         keyfile= *(++argv);
 225                         }
 226                 else if (strcmp(*argv,"-pubkey") == 0)
 227                         {
 228                         pubkey=1;
 229                         }
 230                 else if (strcmp(*argv,"-new") == 0)
 231                         {
 232                         newreq=1;
 233                         }
 234                 else if (strcmp(*argv,"-config") == 0)
 235                         {
 236                         if (--argc < 1) goto bad;
 237                         template= *(++argv);
 238                         }
 239                 else if (strcmp(*argv,"-keyform") == 0)
 240                         {
 241                         if (--argc < 1) goto bad;
 242                         keyform=str2fmt(*(++argv));
 243                         }
 244                 else if (strcmp(*argv,"-in") == 0)
 245                         {
 246                         if (--argc < 1) goto bad;
 247                         infile= *(++argv);
 248                         }
 249                 else if (strcmp(*argv,"-out") == 0)
 250                         {
 251                         if (--argc < 1) goto bad;
 252                         outfile= *(++argv);
 253                         }
 254                 else if (strcmp(*argv,"-keyout") == 0)
 255                         {
 256                         if (--argc < 1) goto bad;
 257                         keyout= *(++argv);
 258                         }
 259                 else if (strcmp(*argv,"-passin") == 0)
 260                         {
 261                         if (--argc < 1) goto bad;
 262                         passargin= *(++argv);
 263                         }
 264                 else if (strcmp(*argv,"-passout") == 0)
 265                         {
 266                         if (--argc < 1) goto bad;
 267                         passargout= *(++argv);
 268                         }
 269                 else if (strcmp(*argv,"-rand") == 0)
 270                         {
 271                         if (--argc < 1) goto bad;
 272                         inrand= *(++argv);
 273                         }
 274                 else if (strcmp(*argv,"-newkey") == 0)
 275                         {
 276                         int is_numeric;
 277
 278                         if (--argc < 1) goto bad;
 279                         p= *(++argv);
 280                         is_numeric = p[0] >= '0' && p[0] <= '9';
 281                         if (strncmp("rsa:",p,4) == 0 || is_numeric)
 282                                 {
 283                                 pkey_type=TYPE_RSA;
 284                                 if(!is_numeric)
 285                                     p+=4;
 286                                 newkey= atoi(p);
 287                                 }
 288                         else
 289 #ifndef OPENSSL_NO_DSA
 290                                 if (strncmp("dsa:",p,4) == 0)
 291                                 {
 292                                 X509 *xtmp=NULL;
 293                                 EVP_PKEY *dtmp;
 294
 295                                 pkey_type=TYPE_DSA;
 296                                 p+=4;
 297                                 if ((in=BIO_new_file(p,"r")) == NULL)
 298                                         {
 299                                         perror(p);
 300                                         goto end;
 301                                         }
 302                                 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL)
 303                                         {
 304                                         ERR_clear_error();
 305                                         (void)BIO_reset(in);
 306                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 307                                                 {
 308                                                 BIO_printf(bio_err,"unable to load DSA parameters from file\n");
 309                                                 goto end;
 310                                                 }
 311
 312                                         dtmp=X509_get_pubkey(xtmp);
 313                                         if (dtmp->type == EVP_PKEY_DSA)
 314                                                 dsa_params=DSAparams_dup(dtmp->pkey.dsa);
 315                                         EVP_PKEY_free(dtmp);
 316                                         X509_free(xtmp);
 317                                         if (dsa_params == NULL)
 318                                                 {
 319                                                 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n");
 320                                                 goto end;
 321                                                 }
 322                                         }
 323                                 BIO_free(in);
 324                                 in=NULL;
 325                                 newkey=BN_num_bits(dsa_params->p);
 326                                 }
 327                         else
 328 #endif
 329 #ifndef OPENSSL_NO_ECDSA
 330                                 if (strncmp("ecdsa:",p,4) == 0)
 331                                 {
 332                                 X509 *xtmp=NULL;
 333                                 EVP_PKEY *dtmp;
 334
 335                                 pkey_type=TYPE_ECDSA;
 336                                 p+=6;
 337                                 if ((in=BIO_new_file(p,"r")) == NULL)
 338                                         {
 339                                         perror(p);
 340                                         goto end;
 341                                         }
 342                                 if ((ecdsa_params = PEM_read_bio_ECDSAParameters(in, NULL, NULL, NULL)) == NULL)
 343                                         {
 344                                         ERR_clear_error();
 345                                         (void)BIO_reset(in);
 346                                         if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL)
 347                                                 {
 348                                                 BIO_printf(bio_err,"unable to load ECDSA parameters from file\n");
 349                                                 goto end;
 350                                                 }
 351
 352                                         dtmp=X509_get_pubkey(xtmp);
 353                                         if (dtmp->type == EVP_PKEY_ECDSA)
 354                                                 ecdsa_params = ECDSAParameters_dup(dtmp->pkey.ecdsa);
 355                                         EVP_PKEY_free(dtmp);
 356                                         X509_free(xtmp);
 357                                         if (ecdsa_params == NULL)
 358                                                 {
 359                                                 BIO_printf(bio_err,"Certificate does not contain ECDSA parameters\n");
 360                                                 goto end;
 361                                                 }
 362                                         }
 363
 364                                 BIO_free(in);
 365                                 in=NULL;
 366
 367                                 {
 368                                 BIGNUM *order = BN_new();
 369
 370                                 if (!order)
 371                                         goto end;
 372                                 if (!EC_GROUP_get_order(ecdsa_params->group, order, NULL))
 373                                         goto end;
 374                                 newkey = BN_num_bits(order);
 375                                 BN_free(order);
 376                                 }
 377
 378                                 }
 379                         else
 380 #endif
 381 #ifndef OPENSSL_NO_DH
 382                                 if (strncmp("dh:",p,4) == 0)
 383                                 {
 384                                 pkey_type=TYPE_DH;
 385                                 p+=3;
 386                                 }
 387                         else
 388 #endif
 389                                 pkey_type=TYPE_RSA;
 390
 391                         newreq=1;
 392                         }
 393                 else if (strcmp(*argv,"-batch") == 0)
 394                         batch=1;
 395                 else if (strcmp(*argv,"-newhdr") == 0)
 396                         newhdr=1;
 397                 else if (strcmp(*argv,"-modulus") == 0)
 398                         modulus=1;
 399                 else if (strcmp(*argv,"-verify") == 0)
 400                         verify=1;
 401                 else if (strcmp(*argv,"-nodes") == 0)
 402                         nodes=1;
 403                 else if (strcmp(*argv,"-noout") == 0)
 404                         noout=1;
 405                 else if (strcmp(*argv,"-verbose") == 0)
 406                         verbose=1;
 407                 else if (strcmp(*argv,"-utf8") == 0)
 408                         chtype = MBSTRING_UTF8;
 409                 else if (strcmp(*argv,"-nameopt") == 0)
 410                         {
 411                         if (--argc < 1) goto bad;
 412                         if (!set_name_ex(&nmflag, *(++argv))) goto bad;
 413                         }
 414                 else if (strcmp(*argv,"-subject") == 0)
 415                         subject=1;
 416                 else if (strcmp(*argv,"-text") == 0)
 417                         text=1;
 418                 else if (strcmp(*argv,"-x509") == 0)
 419                         x509=1;
 420                 else if (strcmp(*argv,"-asn1-kludge") == 0)
 421                         kludge=1;
 422                 else if (strcmp(*argv,"-no-asn1-kludge") == 0)
 423                         kludge=0;
 424                 else if (strcmp(*argv,"-subj") == 0)
 425                         {
 426                         if (--argc < 1) goto bad;
 427                         subj= *(++argv);
 428                         }
 429                 else if (strcmp(*argv,"-days") == 0)
 430                         {
 431                         if (--argc < 1) goto bad;
 432                         days= atoi(*(++argv));
 433                         if (days == 0) days=30;
 434                         }
 435                 else if (strcmp(*argv,"-set_serial") == 0)
 436                         {
 437                         if (--argc < 1) goto bad;
 438                         serial = s2i_ASN1_INTEGER(NULL, *(++argv));
 439                         if (!serial) goto bad;
 440                         }
 441                 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
 442                         {
 443                         /* ok */
 444                         digest=md_alg;
 445                         }
 446                 else if (strcmp(*argv,"-extensions") == 0)
 447                         {
 448                         if (--argc < 1) goto bad;
 449                         extensions = *(++argv);
 450                         }
 451                 else if (strcmp(*argv,"-reqexts") == 0)
 452                         {
 453                         if (--argc < 1) goto bad;
 454                         req_exts = *(++argv);
 455                         }
 456                 else
 457                         {
 458                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 459                         badops=1;
 460                         break;
 461                         }
 462                 argc--;
 463                 argv++;
 464                 }
 465
 466         if (badops)
 467                 {
 468 bad:
 469                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 470                 BIO_printf(bio_err,"where options  are\n");
 471                 BIO_printf(bio_err," -inform arg    input format - DER or PEM\n");
 472                 BIO_printf(bio_err," -outform arg   output format - DER or PEM\n");
 473                 BIO_printf(bio_err," -in arg        input file\n");
 474                 BIO_printf(bio_err," -out arg       output file\n");
 475                 BIO_printf(bio_err," -text          text form of request\n");
 476                 BIO_printf(bio_err," -pubkey        output public key\n");
 477                 BIO_printf(bio_err," -noout         do not output REQ\n");
 478                 BIO_printf(bio_err," -verify        verify signature on REQ\n");
 479                 BIO_printf(bio_err," -modulus       RSA modulus\n");
 480                 BIO_printf(bio_err," -nodes         don't encrypt the output key\n");
 481                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device\n");
 482                 BIO_printf(bio_err," -subject       output the request's subject\n");
 483                 BIO_printf(bio_err," -passin        private key password source\n");
 484                 BIO_printf(bio_err," -key file      use the private key contained in file\n");
 485                 BIO_printf(bio_err," -keyform arg   key file format\n");
 486                 BIO_printf(bio_err," -keyout arg    file to send the key to\n");
 487                 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 488                 BIO_printf(bio_err,"                load the file (or the files in the directory) into\n");
 489                 BIO_printf(bio_err,"                the random number generator\n");
 490                 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n");
 491                 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n");
 492                 BIO_printf(bio_err," -newkey ecdsa:file generate a new ECDSA key, parameters taken from CA in 'file'\n");
 493                 BIO_printf(bio_err," -[digest]      Digest to sign with (md5, sha1, md2, mdc2, md4)\n");
 494                 BIO_printf(bio_err," -config file   request template file.\n");
 495                 BIO_printf(bio_err," -subj arg      set or modify request subject\n");
 496                 BIO_printf(bio_err," -new           new request.\n");
 497                 BIO_printf(bio_err," -batch         do not ask anything during request generation\n");
 498                 BIO_printf(bio_err," -x509          output a x509 structure instead of a cert. req.\n");
 499                 BIO_printf(bio_err," -days          number of days a certificate generated by -x509 is valid for.\n");
 500                 BIO_printf(bio_err," -set_serial    serial number to use for a certificate generated by -x509.\n");
 501                 BIO_printf(bio_err," -newhdr        output \"NEW\" in the header lines\n");
 502                 BIO_printf(bio_err," -asn1-kludge   Output the 'request' in a format that is wrong but some CA's\n");
 503                 BIO_printf(bio_err,"                have been reported as requiring\n");
 504                 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n");
 505                 BIO_printf(bio_err," -reqexts ..    specify request extension section (override value in config file)\n");
 506                 BIO_printf(bio_err," -utf8          input characters are UTF8 (default ASCII)\n");
 507                 goto end;
 508                 }
 509
 510         ERR_load_crypto_strings();
 511         if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
 512                 BIO_printf(bio_err, "Error getting passwords\n");
 513                 goto end;
 514         }
 515
 516 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */
 517         /* Lets load up our environment a little */
 518         p=getenv("OPENSSL_CONF");
 519         if (p == NULL)
 520                 p=getenv("SSLEAY_CONF");
 521         if (p == NULL)
 522                 {
 523                 strcpy(config_name,X509_get_default_cert_area());
 524 #ifndef OPENSSL_SYS_VMS
 525                 strcat(config_name,"/");
 526 #endif
 527                 strcat(config_name,OPENSSL_CONF);
 528                 p=config_name;
 529                 }
 530         default_config_file=p;
 531         config=NCONF_new(NULL);
 532         i=NCONF_load(config, p);
 533 #endif
 534
 535         if (template != NULL)
 536                 {
 537                 long errline;
 538
 539                 if( verbose )
 540                         BIO_printf(bio_err,"Using configuration from %s\n",template);
 541                 req_conf=NCONF_new(NULL);
 542                 i=NCONF_load(req_conf,template,&errline);
 543                 if (i == 0)
 544                         {
 545                         BIO_printf(bio_err,"error on line %ld of %s\n",errline,template);
 546                         goto end;
 547                         }
 548                 }
 549         else
 550                 {
 551                 req_conf=config;
 552                 if( verbose )
 553                         BIO_printf(bio_err,"Using configuration from %s\n",
 554                         default_config_file);
 555                 if (req_conf == NULL)
 556                         {
 557                         BIO_printf(bio_err,"Unable to load config info\n");
 558                         }
 559                 }
 560
 561         if (req_conf != NULL)
 562                 {
 563                 if (!load_config(bio_err, req_conf))
 564                         goto end;
 565                 p=NCONF_get_string(req_conf,NULL,"oid_file");
 566                 if (p == NULL)
 567                         ERR_clear_error();
 568                 if (p != NULL)
 569                         {
 570                         BIO *oid_bio;
 571
 572                         oid_bio=BIO_new_file(p,"r");
 573                         if (oid_bio == NULL)
 574                                 {
 575                                 /*
 576                                 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
 577                                 ERR_print_errors(bio_err);
 578                                 */
 579                                 }
 580                         else
 581                                 {
 582                                 OBJ_create_objects(oid_bio);
 583                                 BIO_free(oid_bio);
 584                                 }
 585                         }
 586                 }
 587         if(!add_oid_section(bio_err, req_conf)) goto end;
 588
 589         if (md_alg == NULL)
 590                 {
 591                 p=NCONF_get_string(req_conf,SECTION,"default_md");
 592                 if (p == NULL)
 593                         ERR_clear_error();
 594                 if (p != NULL)
 595                         {
 596                         if ((md_alg=EVP_get_digestbyname(p)) != NULL)
 597                                 digest=md_alg;
 598                         }
 599                 }
 600
 601         if (!extensions)
 602                 {
 603                 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
 604                 if (!extensions)
 605                         ERR_clear_error();
 606                 }
 607         if (extensions) {
 608                 /* Check syntax of file */
 609                 X509V3_CTX ctx;
 610                 X509V3_set_ctx_test(&ctx);
 611                 X509V3_set_nconf(&ctx, req_conf);
 612                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
 613                         BIO_printf(bio_err,
 614                          "Error Loading extension section %s\n", extensions);
 615                         goto end;
 616                 }
 617         }
 618
 619         if(!passin)
 620                 {
 621                 passin = NCONF_get_string(req_conf, SECTION, "input_password");
 622                 if (!passin)
 623                         ERR_clear_error();
 624                 }
 625
 626         if(!passout)
 627                 {
 628                 passout = NCONF_get_string(req_conf, SECTION, "output_password");
 629                 if (!passout)
 630                         ERR_clear_error();
 631                 }
 632
 633         p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
 634         if (!p)
 635                 ERR_clear_error();
 636
 637         if(p && !ASN1_STRING_set_default_mask_asc(p)) {
 638                 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
 639                 goto end;
 640         }
 641
 642         if (chtype != MBSTRING_UTF8)
 643                 {
 644                 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
 645                 if (!p)
 646                         ERR_clear_error();
 647                 else if (!strcmp(p, "yes"))
 648                         chtype = MBSTRING_UTF8;
 649                 }
 650
 651
 652         if(!req_exts)
 653                 {
 654                 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
 655                 if (!req_exts)
 656                         ERR_clear_error();
 657                 }
 658         if(req_exts) {
 659                 /* Check syntax of file */
 660                 X509V3_CTX ctx;
 661                 X509V3_set_ctx_test(&ctx);
 662                 X509V3_set_nconf(&ctx, req_conf);
 663                 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
 664                         BIO_printf(bio_err,
 665                          "Error Loading request extension section %s\n",
 666                                                                 req_exts);
 667                         goto end;
 668                 }
 669         }
 670
 671         in=BIO_new(BIO_s_file());
 672         out=BIO_new(BIO_s_file());
 673         if ((in == NULL) || (out == NULL))
 674                 goto end;
 675
 676         e = setup_engine(bio_err, engine, 0);
 677
 678         if (keyfile != NULL)
 679                 {
 680                 pkey = load_key(bio_err, keyfile, keyform, passin, e,
 681                         "Private Key");
 682                 if (!pkey)
 683                         {
 684                         /* load_key() has already printed an appropriate
 685                            message */
 686                         goto end;
 687                         }
 688                 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA || EVP_PKEY_type(pkey->type) == EVP_PKEY_ECDSA)
 689                         {
 690                         char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 691                         if (randfile == NULL)
 692                                 ERR_clear_error();
 693                         app_RAND_load_file(randfile, bio_err, 0);
 694                         }
 695                 }
 696
 697         if (newreq && (pkey == NULL))
 698                 {
 699                 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE");
 700                 if (randfile == NULL)
 701                         ERR_clear_error();
 702                 app_RAND_load_file(randfile, bio_err, 0);
 703                 if (inrand)
 704                         app_RAND_load_files(inrand);
 705
 706                 if (newkey <= 0)
 707                         {
 708                         if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey))
 709                                 newkey=DEFAULT_KEY_LENGTH;
 710                         }
 711
 712                 if (newkey < MIN_KEY_LENGTH && (pkey_type == TYPE_RSA || pkey_type == TYPE_DSA))
 713                 /* TODO: appropriate minimal keylength for the different algorithm (esp. ECDSA) */
 714                         {
 715                         BIO_printf(bio_err,"private key length is too short,\n");
 716                         BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey);
 717                         goto end;
 718                         }
 719                 BIO_printf(bio_err,"Generating a %d bit %s private key\n",
 720                         newkey,(pkey_type == TYPE_RSA)?"RSA":(pkey_type == TYPE_DSA)?"DSA":"ECDSA");
 721
 722                 if ((pkey=EVP_PKEY_new()) == NULL) goto end;
 723
 724 #ifndef OPENSSL_NO_RSA
 725                 if (pkey_type == TYPE_RSA)
 726                         {
 727                         if (!EVP_PKEY_assign_RSA(pkey,
 728                                 RSA_generate_key(newkey,0x10001,
 729                                         req_cb,bio_err)))
 730                                 goto end;
 731                         }
 732                 else
 733 #endif
 734 #ifndef OPENSSL_NO_DSA
 735                         if (pkey_type == TYPE_DSA)
 736                         {
 737                         if (!DSA_generate_key(dsa_params)) goto end;
 738                         if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end;
 739                         dsa_params=NULL;
 740                         }
 741 #endif
 742 #ifndef OPENSSL_NO_ECDSA
 743                         if (pkey_type == TYPE_ECDSA)
 744                         {
 745                         if (!ECDSA_generate_key(ecdsa_params)) goto end;
 746                         if (!EVP_PKEY_assign_ECDSA(pkey, ecdsa_params)) goto end;
 747                         ecdsa_params = NULL;
 748                         }
 749 #endif
 750
 751                 app_RAND_write_file(randfile, bio_err);
 752
 753                 if (pkey == NULL) goto end;
 754
 755                 if (keyout == NULL)
 756                         {
 757                         keyout=NCONF_get_string(req_conf,SECTION,KEYFILE);
 758                         if (keyout == NULL)
 759                                 ERR_clear_error();
 760                         }
 761
 762                 if (keyout == NULL)
 763                         {
 764                         BIO_printf(bio_err,"writing new private key to stdout\n");
 765                         BIO_set_fp(out,stdout,BIO_NOCLOSE);
 766 #ifdef OPENSSL_SYS_VMS
 767                         {
 768                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 769                         out = BIO_push(tmpbio, out);
 770                         }
 771 #endif
 772                         }
 773                 else
 774                         {
 775                         BIO_printf(bio_err,"writing new private key to '%s'\n",keyout);
 776                         if (BIO_write_filename(out,keyout) <= 0)
 777                                 {
 778                                 perror(keyout);
 779                                 goto end;
 780                                 }
 781                         }
 782
 783                 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key");
 784                 if (p == NULL)
 785                         {
 786                         ERR_clear_error();
 787                         p=NCONF_get_string(req_conf,SECTION,"encrypt_key");
 788                         if (p == NULL)
 789                                 ERR_clear_error();
 790                         }
 791                 if ((p != NULL) && (strcmp(p,"no") == 0))
 792                         cipher=NULL;
 793                 if (nodes) cipher=NULL;
 794
 795                 i=0;
 796 loop:
 797                 if (!PEM_write_bio_PrivateKey(out,pkey,cipher,
 798                         NULL,0,NULL,passout))
 799                         {
 800                         if ((ERR_GET_REASON(ERR_peek_error()) ==
 801                                 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3))
 802                                 {
 803                                 ERR_clear_error();
 804                                 i++;
 805                                 goto loop;
 806                                 }
 807                         goto end;
 808                         }
 809                 BIO_printf(bio_err,"-----\n");
 810                 }
 811
 812         if (!newreq)
 813                 {
 814                 /* Since we are using a pre-existing certificate
 815                  * request, the kludge 'format' info should not be
 816                  * changed. */
 817                 kludge= -1;
 818                 if (infile == NULL)
 819                         BIO_set_fp(in,stdin,BIO_NOCLOSE);
 820                 else
 821                         {
 822                         if (BIO_read_filename(in,infile) <= 0)
 823                                 {
 824                                 perror(infile);
 825                                 goto end;
 826                                 }
 827                         }
 828
 829                 if      (informat == FORMAT_ASN1)
 830                         req=d2i_X509_REQ_bio(in,NULL);
 831                 else if (informat == FORMAT_PEM)
 832                         req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
 833                 else
 834                         {
 835                         BIO_printf(bio_err,"bad input format specified for X509 request\n");
 836                         goto end;
 837                         }
 838                 if (req == NULL)
 839                         {
 840                         BIO_printf(bio_err,"unable to load X509 request\n");
 841                         goto end;
 842                         }
 843                 }
 844
 845         if (newreq || x509)
 846                 {
 847                 if (pkey == NULL)
 848                         {
 849                         BIO_printf(bio_err,"you need to specify a private key\n");
 850                         goto end;
 851                         }
 852 #ifndef OPENSSL_NO_DSA
 853                 if (pkey->type == EVP_PKEY_DSA)
 854                         digest=EVP_dss1();
 855 #endif
 856 #ifndef OPENSSL_NO_ECDSA
 857                 if (pkey->type == EVP_PKEY_ECDSA)
 858                         digest=EVP_ecdsa();
 859 #endif
 860                 if (req == NULL)
 861                         {
 862                         req=X509_REQ_new();
 863                         if (req == NULL)
 864                                 {
 865                                 goto end;
 866                                 }
 867
 868                         i=make_REQ(req,pkey,subj,!x509, chtype);
 869                         subj=NULL; /* done processing '-subj' option */
 870                         if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes))
 871                                 {
 872                                 sk_X509_ATTRIBUTE_free(req->req_info->attributes);
 873                                 req->req_info->attributes = NULL;
 874                                 }
 875                         if (!i)
 876                                 {
 877                                 BIO_printf(bio_err,"problems making Certificate Request\n");
 878                                 goto end;
 879                                 }
 880                         }
 881                 if (x509)
 882                         {
 883                         EVP_PKEY *tmppkey;
 884                         X509V3_CTX ext_ctx;
 885                         if ((x509ss=X509_new()) == NULL) goto end;
 886
 887                         /* Set version to V3 */
 888                         if(!X509_set_version(x509ss, 2)) goto end;
 889                         if (serial)
 890                                 X509_set_serialNumber(x509ss, serial);
 891                         else
 892                                 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L);
 893
 894                         X509_set_issuer_name(x509ss,
 895                                 X509_REQ_get_subject_name(req));
 896                         X509_gmtime_adj(X509_get_notBefore(x509ss),0);
 897                         X509_gmtime_adj(X509_get_notAfter(x509ss),
 898                                 (long)60*60*24*days);
 899                         X509_set_subject_name(x509ss,
 900                                 X509_REQ_get_subject_name(req));
 901                         tmppkey = X509_REQ_get_pubkey(req);
 902                         X509_set_pubkey(x509ss,tmppkey);
 903                         EVP_PKEY_free(tmppkey);
 904
 905                         /* Set up V3 context struct */
 906
 907                         X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
 908                         X509V3_set_nconf(&ext_ctx, req_conf);
 909
 910                         /* Add extensions */
 911                         if(extensions && !X509V3_EXT_add_nconf(req_conf,
 912                                         &ext_ctx, extensions, x509ss))
 913                                 {
 914                                 BIO_printf(bio_err,
 915                                         "Error Loading extension section %s\n",
 916                                         extensions);
 917                                 goto end;
 918                                 }
 919
 920                         if (!(i=X509_sign(x509ss,pkey,digest)))
 921                                 goto end;
 922                         }
 923                 else
 924                         {
 925                         X509V3_CTX ext_ctx;
 926
 927                         /* Set up V3 context struct */
 928
 929                         X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
 930                         X509V3_set_nconf(&ext_ctx, req_conf);
 931
 932                         /* Add extensions */
 933                         if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
 934                                         &ext_ctx, req_exts, req))
 935                                 {
 936                                 BIO_printf(bio_err,
 937                                         "Error Loading extension section %s\n",
 938                                         req_exts);
 939                                 goto end;
 940                                 }
 941                         if (!(i=X509_REQ_sign(req,pkey,digest)))
 942                                 goto end;
 943                         }
 944                 }
 945
 946         if (subj && x509)
 947                 {
 948                 BIO_printf(bio_err, "Cannot modifiy certificate subject\n");
 949                 goto end;
 950                 }
 951
 952         if (subj && !x509)
 953                 {
 954                 if (verbose)
 955                         {
 956                         BIO_printf(bio_err, "Modifying Request's Subject\n");
 957                         print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag);
 958                         }
 959
 960                 if (build_subject(req, subj, chtype) == 0)
 961                         {
 962                         BIO_printf(bio_err, "ERROR: cannot modify subject\n");
 963                         ex=1;
 964                         goto end;
 965                         }
 966
 967                 req->req_info->enc.modified = 1;
 968
 969                 if (verbose)
 970                         {
 971                         print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag);
 972                         }
 973                 }
 974
 975         if (verify && !x509)
 976                 {
 977                 int tmp=0;
 978
 979                 if (pkey == NULL)
 980                         {
 981                         pkey=X509_REQ_get_pubkey(req);
 982                         tmp=1;
 983                         if (pkey == NULL) goto end;
 984                         }
 985
 986                 i=X509_REQ_verify(req,pkey);
 987                 if (tmp) {
 988                         EVP_PKEY_free(pkey);
 989                         pkey=NULL;
 990                 }
 991
 992                 if (i < 0)
 993                         {
 994                         goto end;
 995                         }
 996                 else if (i == 0)
 997                         {
 998                         BIO_printf(bio_err,"verify failure\n");
 999                         ERR_print_errors(bio_err);
1000                         }
1001                 else /* if (i > 0) */
1002                         BIO_printf(bio_err,"verify OK\n");
1003                 }
1004
1005         if (noout && !text && !modulus && !subject && !pubkey)
1006                 {
1007                 ex=0;
1008                 goto end;
1009                 }
1010
1011         if (outfile == NULL)
1012                 {
1013                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
1014 #ifdef OPENSSL_SYS_VMS
1015                 {
1016                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
1017                 out = BIO_push(tmpbio, out);
1018                 }
1019 #endif
1020                 }
1021         else
1022                 {
1023                 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0))
1024                         i=(int)BIO_append_filename(out,outfile);
1025                 else
1026                         i=(int)BIO_write_filename(out,outfile);
1027                 if (!i)
1028                         {
1029                         perror(outfile);
1030                         goto end;
1031                         }
1032                 }
1033
1034         if (pubkey)
1035                 {
1036                 EVP_PKEY *tpubkey;
1037                 tpubkey=X509_REQ_get_pubkey(req);
1038                 if (tpubkey == NULL)
1039                         {
1040                         BIO_printf(bio_err,"Error getting public key\n");
1041                         ERR_print_errors(bio_err);
1042                         goto end;
1043                         }
1044                 PEM_write_bio_PUBKEY(out, tpubkey);
1045                 EVP_PKEY_free(tpubkey);
1046                 }
1047
1048         if (text)
1049                 {
1050                 if (x509)
1051                         X509_print(out,x509ss);
1052                 else
1053                         X509_REQ_print(out,req);
1054                 }
1055
1056         if(subject)
1057                 {
1058                 if(x509)
1059                         print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag);
1060                 else
1061                         print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag);
1062                 }
1063
1064         if (modulus)
1065                 {
1066                 EVP_PKEY *tpubkey;
1067
1068                 if (x509)
1069                         tpubkey=X509_get_pubkey(x509ss);
1070                 else
1071                         tpubkey=X509_REQ_get_pubkey(req);
1072                 if (tpubkey == NULL)
1073                         {
1074                         fprintf(stdout,"Modulus=unavailable\n");
1075                         goto end;
1076                         }
1077                 fprintf(stdout,"Modulus=");
1078 #ifndef OPENSSL_NO_RSA
1079                 if (tpubkey->type == EVP_PKEY_RSA)
1080                         BN_print(out,tpubkey->pkey.rsa->n);
1081                 else
1082 #endif
1083                         fprintf(stdout,"Wrong Algorithm type");
1084                 EVP_PKEY_free(tpubkey);
1085                 fprintf(stdout,"\n");
1086                 }
1087
1088         if (!noout && !x509)
1089                 {
1090                 if      (outformat == FORMAT_ASN1)
1091                         i=i2d_X509_REQ_bio(out,req);
1092                 else if (outformat == FORMAT_PEM) {
1093                         if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req);
1094                         else i=PEM_write_bio_X509_REQ(out,req);
1095                 } else {
1096                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1097                         goto end;
1098                         }
1099                 if (!i)
1100                         {
1101                         BIO_printf(bio_err,"unable to write X509 request\n");
1102                         goto end;
1103                         }
1104                 }
1105         if (!noout && x509 && (x509ss != NULL))
1106                 {
1107                 if      (outformat == FORMAT_ASN1)
1108                         i=i2d_X509_bio(out,x509ss);
1109                 else if (outformat == FORMAT_PEM)
1110                         i=PEM_write_bio_X509(out,x509ss);
1111                 else    {
1112                         BIO_printf(bio_err,"bad output format specified for outfile\n");
1113                         goto end;
1114                         }
1115                 if (!i)
1116                         {
1117                         BIO_printf(bio_err,"unable to write X509 certificate\n");
1118                         goto end;
1119                         }
1120                 }
1121         ex=0;
1122 end:
1123         if (ex)
1124                 {
1125                 ERR_print_errors(bio_err);
1126                 }
1127         if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf);
1128         BIO_free(in);
1129         BIO_free_all(out);
1130         EVP_PKEY_free(pkey);
1131         X509_REQ_free(req);
1132         X509_free(x509ss);
1133         ASN1_INTEGER_free(serial);
1134         if(passargin && passin) OPENSSL_free(passin);
1135         if(passargout && passout) OPENSSL_free(passout);
1136         OBJ_cleanup();
1137 #ifndef OPENSSL_NO_DSA
1138         if (dsa_params != NULL) DSA_free(dsa_params);
1139 #endif
1140 #ifndef OPENSSL_NO_ECDSA
1141         if (ecdsa_params != NULL) ECDSA_free(ecdsa_params);
1142 #endif
1143         apps_shutdown();
1144         EXIT(ex);
1145         }
1146
1147 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs,
1148                         unsigned long chtype)
1149         {
1150         int ret=0,i;
1151         char no_prompt = 0;
1152         STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1153         char *tmp, *dn_sect,*attr_sect;
1154
1155         tmp=NCONF_get_string(req_conf,SECTION,PROMPT);
1156         if (tmp == NULL)
1157                 ERR_clear_error();
1158         if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1;
1159
1160         dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME);
1161         if (dn_sect == NULL)
1162                 {
1163                 BIO_printf(bio_err,"unable to find '%s' in config\n",
1164                         DISTINGUISHED_NAME);
1165                 goto err;
1166                 }
1167         dn_sk=NCONF_get_section(req_conf,dn_sect);
1168         if (dn_sk == NULL)
1169                 {
1170                 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect);
1171                 goto err;
1172                 }
1173
1174         attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES);
1175         if (attr_sect == NULL)
1176                 {
1177                 ERR_clear_error();
1178                 attr_sk=NULL;
1179                 }
1180         else
1181                 {
1182                 attr_sk=NCONF_get_section(req_conf,attr_sect);
1183                 if (attr_sk == NULL)
1184                         {
1185                         BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect);
1186                         goto err;
1187                         }
1188                 }
1189
1190         /* setup version number */
1191         if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */
1192
1193         if (no_prompt)
1194                 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1195         else
1196                 {
1197                 if (subj)
1198                         i = build_subject(req, subj, chtype);
1199                 else
1200                         i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype);
1201                 }
1202         if(!i) goto err;
1203
1204         X509_REQ_set_pubkey(req,pkey);
1205
1206         ret=1;
1207 err:
1208         return(ret);
1209         }
1210
1211 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype)
1212         {
1213         X509_NAME *n = NULL;
1214
1215         int i, nid, ne_num=0;
1216
1217         char *ne_name = NULL;
1218         char *ne_value = NULL;
1219
1220         char *tmp = NULL;
1221         char *p[2];
1222
1223         char *str_list[256];
1224
1225         p[0] = ",/";
1226         p[1] = "=";
1227
1228         n = X509_NAME_new();
1229
1230         tmp = strtok(subject, p[0]);
1231         while((tmp != NULL) && (ne_num < (sizeof str_list/sizeof *str_list)))
1232                 {
1233                 char *token = tmp;
1234
1235                 while (token[0] == ' ')
1236                         token++;
1237                 str_list[ne_num] = token;
1238
1239                 tmp = strtok(NULL, p[0]);
1240                 ne_num++;
1241                 }
1242
1243         for(i = 0; i < ne_num; i++)
1244                 {
1245                 ne_name  = strtok(str_list[i], p[1]);
1246                 ne_value = strtok(NULL, p[1]);
1247
1248                 if ((nid=OBJ_txt2nid(ne_name)) == NID_undef)
1249                         {
1250                         BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_name);
1251                         continue;
1252                         }
1253
1254                 if (ne_value == NULL)
1255                         {
1256                         BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_name);
1257                         continue;
1258                         }
1259
1260                 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_value, -1,-1,0))
1261                         {
1262                         X509_NAME_free(n);
1263                         return 0;
1264                         }
1265                 }
1266
1267         if (!X509_REQ_set_subject_name(req, n))
1268                 return 0;
1269         X509_NAME_free(n);
1270         return 1;
1271 }
1272
1273
1274 static int prompt_info(X509_REQ *req,
1275                 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect,
1276                 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs,
1277                 unsigned long chtype)
1278         {
1279         int i;
1280         char *p,*q;
1281         char buf[100];
1282         int nid;
1283         long n_min,n_max;
1284         char *type,*def,*value;
1285         CONF_VALUE *v;
1286         X509_NAME *subj;
1287         subj = X509_REQ_get_subject_name(req);
1288
1289         if(!batch)
1290                 {
1291                 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n");
1292                 BIO_printf(bio_err,"into your certificate request.\n");
1293                 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n");
1294                 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n");
1295                 BIO_printf(bio_err,"For some fields there will be a default value,\n");
1296                 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n");
1297                 BIO_printf(bio_err,"-----\n");
1298                 }
1299
1300
1301         if (sk_CONF_VALUE_num(dn_sk))
1302                 {
1303                 i= -1;
1304 start:          for (;;)
1305                         {
1306                         i++;
1307                         if (sk_CONF_VALUE_num(dn_sk) <= i) break;
1308
1309                         v=sk_CONF_VALUE_value(dn_sk,i);
1310                         p=q=NULL;
1311                         type=v->name;
1312                         if(!check_end(type,"_min") || !check_end(type,"_max") ||
1313                                 !check_end(type,"_default") ||
1314                                          !check_end(type,"_value")) continue;
1315                         /* Skip past any leading X. X: X, etc to allow for
1316                          * multiple instances
1317                          */
1318                         for(p = v->name; *p ; p++)
1319                                 if ((*p == ':') || (*p == ',') ||
1320                                                          (*p == '.')) {
1321                                         p++;
1322                                         if(*p) type = p;
1323                                         break;
1324                                 }
1325                         /* If OBJ not recognised ignore it */
1326                         if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start;
1327                         sprintf(buf,"%s_default",v->name);
1328                         if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1329                                 {
1330                                 ERR_clear_error();
1331                                 def="";
1332                                 }
1333
1334                         sprintf(buf,"%s_value",v->name);
1335                         if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL)
1336                                 {
1337                                 ERR_clear_error();
1338                                 value=NULL;
1339                                 }
1340
1341                         sprintf(buf,"%s_min",v->name);
1342                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min))
1343                                 n_min = -1;
1344
1345                         sprintf(buf,"%s_max",v->name);
1346                         if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max))
1347                                 n_max = -1;
1348
1349                         if (!add_DN_object(subj,v->value,def,value,nid,
1350                                 n_min,n_max, chtype))
1351                                 return 0;
1352                         }
1353                 if (X509_NAME_entry_count(subj) == 0)
1354                         {
1355                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1356                         return 0;
1357                         }
1358
1359                 if (attribs)
1360                         {
1361                         if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch))
1362                                 {
1363                                 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n");
1364                                 BIO_printf(bio_err,"to be sent with your certificate request\n");
1365                                 }
1366
1367                         i= -1;
1368 start2:                 for (;;)
1369                                 {
1370                                 i++;
1371                                 if ((attr_sk == NULL) ||
1372                                             (sk_CONF_VALUE_num(attr_sk) <= i))
1373                                         break;
1374
1375                                 v=sk_CONF_VALUE_value(attr_sk,i);
1376                                 type=v->name;
1377                                 if ((nid=OBJ_txt2nid(type)) == NID_undef)
1378                                         goto start2;
1379
1380                                 sprintf(buf,"%s_default",type);
1381                                 if ((def=NCONF_get_string(req_conf,attr_sect,buf))
1382                                         == NULL)
1383                                         {
1384                                         ERR_clear_error();
1385                                         def="";
1386                                         }
1387
1388
1389                                 sprintf(buf,"%s_value",type);
1390                                 if ((value=NCONF_get_string(req_conf,attr_sect,buf))
1391                                         == NULL)
1392                                         {
1393                                         ERR_clear_error();
1394                                         value=NULL;
1395                                         }
1396
1397                                 sprintf(buf,"%s_min",type);
1398                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min))
1399                                         n_min = -1;
1400
1401                                 sprintf(buf,"%s_max",type);
1402                                 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max))
1403                                         n_max = -1;
1404
1405                                 if (!add_attribute_object(req,
1406                                         v->value,def,value,nid,n_min,n_max, chtype))
1407                                         return 0;
1408                                 }
1409                         }
1410                 }
1411         else
1412                 {
1413                 BIO_printf(bio_err,"No template, please set one up.\n");
1414                 return 0;
1415                 }
1416
1417         return 1;
1418
1419         }
1420
1421 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1422                         STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype)
1423         {
1424         int i;
1425         char *p,*q;
1426         char *type;
1427         CONF_VALUE *v;
1428         X509_NAME *subj;
1429
1430         subj = X509_REQ_get_subject_name(req);
1431
1432         for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
1433                 {
1434                 v=sk_CONF_VALUE_value(dn_sk,i);
1435                 p=q=NULL;
1436                 type=v->name;
1437                 /* Skip past any leading X. X: X, etc to allow for
1438                  * multiple instances
1439                  */
1440                 for(p = v->name; *p ; p++)
1441 #ifndef CHARSET_EBCDIC
1442                         if ((*p == ':') || (*p == ',') || (*p == '.')) {
1443 #else
1444                         if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) {
1445 #endif
1446                                 p++;
1447                                 if(*p) type = p;
1448                                 break;
1449                         }
1450                 if (!X509_NAME_add_entry_by_txt(subj,type, chtype,
1451                                 (unsigned char *) v->value,-1,-1,0)) return 0;
1452
1453                 }
1454
1455                 if (!X509_NAME_entry_count(subj))
1456                         {
1457                         BIO_printf(bio_err,"error, no objects specified in config file\n");
1458                         return 0;
1459                         }
1460                 if (attribs)
1461                         {
1462                         for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++)
1463                                 {
1464                                 v=sk_CONF_VALUE_value(attr_sk,i);
1465                                 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1466                                         (unsigned char *)v->value, -1)) return 0;
1467                                 }
1468                         }
1469         return 1;
1470         }
1471
1472
1473 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
1474              int nid, int n_min, int n_max, unsigned long chtype)
1475         {
1476         int i,ret=0;
1477         MS_STATIC char buf[1024];
1478 start:
1479         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1480         (void)BIO_flush(bio_err);
1481         if(value != NULL)
1482                 {
1483                 strcpy(buf,value);
1484                 strcat(buf,"\n");
1485                 BIO_printf(bio_err,"%s\n",value);
1486                 }
1487         else
1488                 {
1489                 buf[0]='\0';
1490                 if (!batch)
1491                         {
1492                         fgets(buf,1024,stdin);
1493                         }
1494                 else
1495                         {
1496                         buf[0] = '\n';
1497                         buf[1] = '\0';
1498                         }
1499                 }
1500
1501         if (buf[0] == '\0') return(0);
1502         else if (buf[0] == '\n')
1503                 {
1504                 if ((def == NULL) || (def[0] == '\0'))
1505                         return(1);
1506                 strcpy(buf,def);
1507                 strcat(buf,"\n");
1508                 }
1509         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1510
1511         i=strlen(buf);
1512         if (buf[i-1] != '\n')
1513                 {
1514                 BIO_printf(bio_err,"weird input :-(\n");
1515                 return(0);
1516                 }
1517         buf[--i]='\0';
1518 #ifdef CHARSET_EBCDIC
1519         ebcdic2ascii(buf, buf, i);
1520 #endif
1521         if(!req_check_len(i, n_min, n_max)) goto start;
1522         if (!X509_NAME_add_entry_by_NID(n,nid, chtype,
1523                                 (unsigned char *) buf, -1,-1,0)) goto err;
1524         ret=1;
1525 err:
1526         return(ret);
1527         }
1528
1529 static int add_attribute_object(X509_REQ *req, char *text,
1530                                 char *def, char *value, int nid, int n_min,
1531                                 int n_max, unsigned long chtype)
1532         {
1533         int i;
1534         static char buf[1024];
1535
1536 start:
1537         if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def);
1538         (void)BIO_flush(bio_err);
1539         if (value != NULL)
1540                 {
1541                 strcpy(buf,value);
1542                 strcat(buf,"\n");
1543                 BIO_printf(bio_err,"%s\n",value);
1544                 }
1545         else
1546                 {
1547                 buf[0]='\0';
1548                 if (!batch)
1549                         {
1550                         fgets(buf,1024,stdin);
1551                         }
1552                 else
1553                         {
1554                         buf[0] = '\n';
1555                         buf[1] = '\0';
1556                         }
1557                 }
1558
1559         if (buf[0] == '\0') return(0);
1560         else if (buf[0] == '\n')
1561                 {
1562                 if ((def == NULL) || (def[0] == '\0'))
1563                         return(1);
1564                 strcpy(buf,def);
1565                 strcat(buf,"\n");
1566                 }
1567         else if ((buf[0] == '.') && (buf[1] == '\n')) return(1);
1568
1569         i=strlen(buf);
1570         if (buf[i-1] != '\n')
1571                 {
1572                 BIO_printf(bio_err,"weird input :-(\n");
1573                 return(0);
1574                 }
1575         buf[--i]='\0';
1576 #ifdef CHARSET_EBCDIC
1577         ebcdic2ascii(buf, buf, i);
1578 #endif
1579         if(!req_check_len(i, n_min, n_max)) goto start;
1580
1581         if(!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1582                                         (unsigned char *)buf, -1)) {
1583                 BIO_printf(bio_err, "Error adding attribute\n");
1584                 ERR_print_errors(bio_err);
1585                 goto err;
1586         }
1587
1588         return(1);
1589 err:
1590         return(0);
1591         }
1592
1593 #ifndef OPENSSL_NO_RSA
1594 static void MS_CALLBACK req_cb(int p, int n, void *arg)
1595         {
1596         char c='*';
1597
1598         if (p == 0) c='.';
1599         if (p == 1) c='+';
1600         if (p == 2) c='*';
1601         if (p == 3) c='\n';
1602         BIO_write((BIO *)arg,&c,1);
1603         (void)BIO_flush((BIO *)arg);
1604 #ifdef LINT
1605         p=n;
1606 #endif
1607         }
1608 #endif
1609
1610 static int req_check_len(int len, int n_min, int n_max)
1611         {
1612         if ((n_min > 0) && (len < n_min))
1613                 {
1614                 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min);
1615                 return(0);
1616                 }
1617         if ((n_max >= 0) && (len > n_max))
1618                 {
1619                 BIO_printf(bio_err,"string is too long, it needs to be less than  %d bytes long\n",n_max);
1620                 return(0);
1621                 }
1622         return(1);
1623         }
1624
1625 /* Check if the end of a string matches 'end' */
1626 static int check_end(char *str, char *end)
1627 {
1628         int elen, slen;
1629         char *tmp;
1630         elen = strlen(end);
1631         slen = strlen(str);
1632         if(elen > slen) return 1;
1633         tmp = str + slen - elen;
1634         return strcmp(tmp, end);
1635 }