req.c revision 59191
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 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 88#define DEFAULT_KEY_LENGTH 512 89#define MIN_KEY_LENGTH 384 90 91#undef PROG 92#define PROG req_main 93 94/* -inform arg - input format - default PEM (DER or PEM) 95 * -outform arg - output format - default PEM 96 * -in arg - input file - default stdin 97 * -out arg - output file - default stdout 98 * -verify - check request signature 99 * -noout - don't print stuff out. 100 * -text - print out human readable text. 101 * -nodes - no des encryption 102 * -config file - Load configuration file. 103 * -key file - make a request using key in file (or use it for verification). 104 * -keyform - key file format. 105 * -newkey - make a key and a request. 106 * -modulus - print RSA modulus. 107 * -x509 - output a self signed X509 structure instead. 108 * -asn1-kludge - output new certificate request in a format that some CA's 109 * require. This format is wrong 110 */ 111 112static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs); 113static int prompt_info(X509_REQ *req, 114 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 115 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs); 116static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk, 117 STACK_OF(CONF_VALUE) *attr, int attribs); 118static int add_attribute_object(X509_REQ *req, char *text, 119 char *def, char *value, int nid, int min, 120 int max); 121static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 122 int nid,int min,int max); 123#ifndef NO_RSA 124static void MS_CALLBACK req_cb(int p,int n,void *arg); 125#endif 126static int req_check_len(int len,int min,int max); 127static int check_end(char *str, char *end); 128static int add_oid_section(LHASH *conf); 129#ifndef MONOLITH 130static char *default_config_file=NULL; 131static LHASH *config=NULL; 132#endif 133static LHASH *req_conf=NULL; 134 135#define TYPE_RSA 1 136#define TYPE_DSA 2 137#define TYPE_DH 3 138 139int MAIN(int, char **); 140 141int MAIN(int argc, char **argv) 142 { 143#ifndef NO_DSA 144 DSA *dsa_params=NULL; 145#endif 146 int ex=1,x509=0,days=30; 147 X509 *x509ss=NULL; 148 X509_REQ *req=NULL; 149 EVP_PKEY *pkey=NULL; 150 int i,badops=0,newreq=0,newkey= -1,pkey_type=0; 151 BIO *in=NULL,*out=NULL; 152 int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM; 153 int nodes=0,kludge=0,newhdr=0; 154 char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL; 155 char *extensions = NULL; 156 char *req_exts = NULL; 157 EVP_CIPHER *cipher=NULL; 158 int modulus=0; 159 char *passargin = NULL, *passargout = NULL; 160 char *passin = NULL, *passout = NULL; 161 char *p; 162 const EVP_MD *md_alg=NULL,*digest=EVP_md5(); 163#ifndef MONOLITH 164 MS_STATIC char config_name[256]; 165#endif 166 167 req_conf = NULL; 168#ifndef NO_DES 169 cipher=EVP_des_ede3_cbc(); 170#endif 171 apps_startup(); 172 173 if (bio_err == NULL) 174 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 175 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 176 177 infile=NULL; 178 outfile=NULL; 179 informat=FORMAT_PEM; 180 outformat=FORMAT_PEM; 181 182 prog=argv[0]; 183 argc--; 184 argv++; 185 while (argc >= 1) 186 { 187 if (strcmp(*argv,"-inform") == 0) 188 { 189 if (--argc < 1) goto bad; 190 informat=str2fmt(*(++argv)); 191 } 192 else if (strcmp(*argv,"-outform") == 0) 193 { 194 if (--argc < 1) goto bad; 195 outformat=str2fmt(*(++argv)); 196 } 197 else if (strcmp(*argv,"-key") == 0) 198 { 199 if (--argc < 1) goto bad; 200 keyfile= *(++argv); 201 } 202 else if (strcmp(*argv,"-new") == 0) 203 { 204 pkey_type=TYPE_RSA; 205 newreq=1; 206 } 207 else if (strcmp(*argv,"-config") == 0) 208 { 209 if (--argc < 1) goto bad; 210 template= *(++argv); 211 } 212 else if (strcmp(*argv,"-keyform") == 0) 213 { 214 if (--argc < 1) goto bad; 215 keyform=str2fmt(*(++argv)); 216 } 217 else if (strcmp(*argv,"-in") == 0) 218 { 219 if (--argc < 1) goto bad; 220 infile= *(++argv); 221 } 222 else if (strcmp(*argv,"-out") == 0) 223 { 224 if (--argc < 1) goto bad; 225 outfile= *(++argv); 226 } 227 else if (strcmp(*argv,"-keyout") == 0) 228 { 229 if (--argc < 1) goto bad; 230 keyout= *(++argv); 231 } 232 else if (strcmp(*argv,"-passin") == 0) 233 { 234 if (--argc < 1) goto bad; 235 passargin= *(++argv); 236 } 237 else if (strcmp(*argv,"-passout") == 0) 238 { 239 if (--argc < 1) goto bad; 240 passargout= *(++argv); 241 } 242 else if (strcmp(*argv,"-newkey") == 0) 243 { 244 int is_numeric; 245 246 if (--argc < 1) goto bad; 247 p= *(++argv); 248 is_numeric = p[0] >= '0' && p[0] <= '9'; 249 if (strncmp("rsa:",p,4) == 0 || is_numeric) 250 { 251 pkey_type=TYPE_RSA; 252 if(!is_numeric) 253 p+=4; 254 newkey= atoi(p); 255 } 256 else 257#ifndef NO_DSA 258 if (strncmp("dsa:",p,4) == 0) 259 { 260 X509 *xtmp=NULL; 261 EVP_PKEY *dtmp; 262 263 pkey_type=TYPE_DSA; 264 p+=4; 265 if ((in=BIO_new_file(p,"r")) == NULL) 266 { 267 perror(p); 268 goto end; 269 } 270 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) 271 { 272 ERR_clear_error(); 273 (void)BIO_reset(in); 274 if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) 275 { 276 BIO_printf(bio_err,"unable to load DSA parameters from file\n"); 277 goto end; 278 } 279 280 dtmp=X509_get_pubkey(xtmp); 281 if (dtmp->type == EVP_PKEY_DSA) 282 dsa_params=DSAparams_dup(dtmp->pkey.dsa); 283 EVP_PKEY_free(dtmp); 284 X509_free(xtmp); 285 if (dsa_params == NULL) 286 { 287 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n"); 288 goto end; 289 } 290 } 291 BIO_free(in); 292 newkey=BN_num_bits(dsa_params->p); 293 in=NULL; 294 } 295 else 296#endif 297#ifndef NO_DH 298 if (strncmp("dh:",p,4) == 0) 299 { 300 pkey_type=TYPE_DH; 301 p+=3; 302 } 303 else 304#endif 305 pkey_type=TYPE_RSA; 306 307 newreq=1; 308 } 309 else if (strcmp(*argv,"-newhdr") == 0) 310 newhdr=1; 311 else if (strcmp(*argv,"-modulus") == 0) 312 modulus=1; 313 else if (strcmp(*argv,"-verify") == 0) 314 verify=1; 315 else if (strcmp(*argv,"-nodes") == 0) 316 nodes=1; 317 else if (strcmp(*argv,"-noout") == 0) 318 noout=1; 319 else if (strcmp(*argv,"-text") == 0) 320 text=1; 321 else if (strcmp(*argv,"-x509") == 0) 322 x509=1; 323 else if (strcmp(*argv,"-asn1-kludge") == 0) 324 kludge=1; 325 else if (strcmp(*argv,"-no-asn1-kludge") == 0) 326 kludge=0; 327 else if (strcmp(*argv,"-days") == 0) 328 { 329 if (--argc < 1) goto bad; 330 days= atoi(*(++argv)); 331 if (days == 0) days=30; 332 } 333 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 334 { 335 /* ok */ 336 digest=md_alg; 337 } 338 else if (strcmp(*argv,"-extensions") == 0) 339 { 340 if (--argc < 1) goto bad; 341 extensions = *(++argv); 342 } 343 else if (strcmp(*argv,"-reqexts") == 0) 344 { 345 if (--argc < 1) goto bad; 346 req_exts = *(++argv); 347 } 348 else 349 { 350 BIO_printf(bio_err,"unknown option %s\n",*argv); 351 badops=1; 352 break; 353 } 354 argc--; 355 argv++; 356 } 357 358 if (badops) 359 { 360bad: 361 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 362 BIO_printf(bio_err,"where options are\n"); 363 BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); 364 BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); 365 BIO_printf(bio_err," -in arg input file\n"); 366 BIO_printf(bio_err," -out arg output file\n"); 367 BIO_printf(bio_err," -text text form of request\n"); 368 BIO_printf(bio_err," -noout do not output REQ\n"); 369 BIO_printf(bio_err," -verify verify signature on REQ\n"); 370 BIO_printf(bio_err," -modulus RSA modulus\n"); 371 BIO_printf(bio_err," -nodes don't encrypt the output key\n"); 372 BIO_printf(bio_err," -key file use the private key contained in file\n"); 373 BIO_printf(bio_err," -keyform arg key file format\n"); 374 BIO_printf(bio_err," -keyout arg file to send the key to\n"); 375 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 376 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 377 378 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2)\n"); 379 BIO_printf(bio_err," -config file request template file.\n"); 380 BIO_printf(bio_err," -new new request.\n"); 381 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n"); 382 BIO_printf(bio_err," -days number of days a x509 generated by -x509 is valid for.\n"); 383 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n"); 384 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 385 BIO_printf(bio_err," have been reported as requiring\n"); 386 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n"); 387 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n"); 388 goto end; 389 } 390 391 ERR_load_crypto_strings(); 392 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 393 BIO_printf(bio_err, "Error getting passwords\n"); 394 goto end; 395 } 396 397#ifndef MONOLITH /* else this has happened in openssl.c (global `config') */ 398 /* Lets load up our environment a little */ 399 p=getenv("OPENSSL_CONF"); 400 if (p == NULL) 401 p=getenv("SSLEAY_CONF"); 402 if (p == NULL) 403 { 404 strcpy(config_name,X509_get_default_cert_area()); 405#ifndef VMS 406 strcat(config_name,"/"); 407#endif 408 strcat(config_name,OPENSSL_CONF); 409 p=config_name; 410 } 411 default_config_file=p; 412 config=CONF_load(config,p,NULL); 413#endif 414 415 if (template != NULL) 416 { 417 long errline; 418 419 BIO_printf(bio_err,"Using configuration from %s\n",template); 420 req_conf=CONF_load(NULL,template,&errline); 421 if (req_conf == NULL) 422 { 423 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template); 424 goto end; 425 } 426 } 427 else 428 { 429 req_conf=config; 430 BIO_printf(bio_err,"Using configuration from %s\n", 431 default_config_file); 432 if (req_conf == NULL) 433 { 434 BIO_printf(bio_err,"Unable to load config info\n"); 435 } 436 } 437 438 if (req_conf != NULL) 439 { 440 p=CONF_get_string(req_conf,NULL,"oid_file"); 441 if (p != NULL) 442 { 443 BIO *oid_bio; 444 445 oid_bio=BIO_new_file(p,"r"); 446 if (oid_bio == NULL) 447 { 448 /* 449 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 450 ERR_print_errors(bio_err); 451 */ 452 } 453 else 454 { 455 OBJ_create_objects(oid_bio); 456 BIO_free(oid_bio); 457 } 458 } 459 } 460 if(!add_oid_section(req_conf)) goto end; 461 462 if ((md_alg == NULL) && 463 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL)) 464 { 465 if ((md_alg=EVP_get_digestbyname(p)) != NULL) 466 digest=md_alg; 467 } 468 469 if(!extensions) 470 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 471 if(extensions) { 472 /* Check syntax of file */ 473 X509V3_CTX ctx; 474 X509V3_set_ctx_test(&ctx); 475 X509V3_set_conf_lhash(&ctx, req_conf); 476 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) { 477 BIO_printf(bio_err, 478 "Error Loading extension section %s\n", extensions); 479 goto end; 480 } 481 } 482 483 if(!passin) 484 passin = CONF_get_string(req_conf, SECTION, "input_password"); 485 486 if(!passout) 487 passout = CONF_get_string(req_conf, SECTION, "output_password"); 488 489 p = CONF_get_string(req_conf, SECTION, STRING_MASK); 490 491 if(p && !ASN1_STRING_set_default_mask_asc(p)) { 492 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); 493 goto end; 494 } 495 496 if(!req_exts) 497 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); 498 if(req_exts) { 499 /* Check syntax of file */ 500 X509V3_CTX ctx; 501 X509V3_set_ctx_test(&ctx); 502 X509V3_set_conf_lhash(&ctx, req_conf); 503 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) { 504 BIO_printf(bio_err, 505 "Error Loading request extension section %s\n", 506 req_exts); 507 goto end; 508 } 509 } 510 511 in=BIO_new(BIO_s_file()); 512 out=BIO_new(BIO_s_file()); 513 if ((in == NULL) || (out == NULL)) 514 goto end; 515 516 if (keyfile != NULL) 517 { 518 if (BIO_read_filename(in,keyfile) <= 0) 519 { 520 perror(keyfile); 521 goto end; 522 } 523 524 if (keyform == FORMAT_ASN1) 525 pkey=d2i_PrivateKey_bio(in,NULL); 526 else if (keyform == FORMAT_PEM) 527 { 528 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,passin); 529 } 530 else 531 { 532 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 533 goto end; 534 } 535 536 if (pkey == NULL) 537 { 538 BIO_printf(bio_err,"unable to load Private key\n"); 539 goto end; 540 } 541 } 542 543 if (newreq && (pkey == NULL)) 544 { 545 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE"); 546 app_RAND_load_file(randfile, bio_err, 0); 547 548 if (newkey <= 0) 549 { 550 newkey=(int)CONF_get_number(req_conf,SECTION,BITS); 551 if (newkey <= 0) 552 newkey=DEFAULT_KEY_LENGTH; 553 } 554 555 if (newkey < MIN_KEY_LENGTH) 556 { 557 BIO_printf(bio_err,"private key length is too short,\n"); 558 BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey); 559 goto end; 560 } 561 BIO_printf(bio_err,"Generating a %d bit %s private key\n", 562 newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA"); 563 564 if ((pkey=EVP_PKEY_new()) == NULL) goto end; 565 566#ifndef NO_RSA 567 if (pkey_type == TYPE_RSA) 568 { 569 if (!EVP_PKEY_assign_RSA(pkey, 570 RSA_generate_key(newkey,0x10001, 571 req_cb,bio_err))) 572 goto end; 573 } 574 else 575#endif 576#ifndef NO_DSA 577 if (pkey_type == TYPE_DSA) 578 { 579 if (!DSA_generate_key(dsa_params)) goto end; 580 if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end; 581 dsa_params=NULL; 582 } 583#endif 584 585 app_RAND_write_file(randfile, bio_err); 586 587 if (pkey == NULL) goto end; 588 589 if (keyout == NULL) 590 keyout=CONF_get_string(req_conf,SECTION,KEYFILE); 591 592 if (keyout == NULL) 593 { 594 BIO_printf(bio_err,"writing new private key to stdout\n"); 595 BIO_set_fp(out,stdout,BIO_NOCLOSE); 596 } 597 else 598 { 599 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout); 600 if (BIO_write_filename(out,keyout) <= 0) 601 { 602 perror(keyout); 603 goto end; 604 } 605 } 606 607 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key"); 608 if (p == NULL) 609 p=CONF_get_string(req_conf,SECTION,"encrypt_key"); 610 if ((p != NULL) && (strcmp(p,"no") == 0)) 611 cipher=NULL; 612 if (nodes) cipher=NULL; 613 614 i=0; 615loop: 616 if (!PEM_write_bio_PrivateKey(out,pkey,cipher, 617 NULL,0,NULL,passout)) 618 { 619 if ((ERR_GET_REASON(ERR_peek_error()) == 620 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) 621 { 622 ERR_clear_error(); 623 i++; 624 goto loop; 625 } 626 goto end; 627 } 628 BIO_printf(bio_err,"-----\n"); 629 } 630 631 if (!newreq) 632 { 633 /* Since we are using a pre-existing certificate 634 * request, the kludge 'format' info should not be 635 * changed. */ 636 kludge= -1; 637 if (infile == NULL) 638 BIO_set_fp(in,stdin,BIO_NOCLOSE); 639 else 640 { 641 if (BIO_read_filename(in,infile) <= 0) 642 { 643 perror(infile); 644 goto end; 645 } 646 } 647 648 if (informat == FORMAT_ASN1) 649 req=d2i_X509_REQ_bio(in,NULL); 650 else if (informat == FORMAT_PEM) 651 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); 652 else 653 { 654 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 655 goto end; 656 } 657 if (req == NULL) 658 { 659 BIO_printf(bio_err,"unable to load X509 request\n"); 660 goto end; 661 } 662 } 663 664 if (newreq || x509) 665 { 666#ifndef NO_DSA 667 if (pkey->type == EVP_PKEY_DSA) 668 digest=EVP_dss1(); 669#endif 670 671 if (pkey == NULL) 672 { 673 BIO_printf(bio_err,"you need to specify a private key\n"); 674 goto end; 675 } 676 if (req == NULL) 677 { 678 req=X509_REQ_new(); 679 if (req == NULL) 680 { 681 goto end; 682 } 683 684 i=make_REQ(req,pkey,!x509); 685 if (kludge >= 0) 686 req->req_info->req_kludge=kludge; 687 if (!i) 688 { 689 BIO_printf(bio_err,"problems making Certificate Request\n"); 690 goto end; 691 } 692 } 693 if (x509) 694 { 695 EVP_PKEY *tmppkey; 696 X509V3_CTX ext_ctx; 697 if ((x509ss=X509_new()) == NULL) goto end; 698 699 /* Set version to V3 */ 700 if(!X509_set_version(x509ss, 2)) goto end; 701 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L); 702 703 X509_set_issuer_name(x509ss, 704 X509_REQ_get_subject_name(req)); 705 X509_gmtime_adj(X509_get_notBefore(x509ss),0); 706 X509_gmtime_adj(X509_get_notAfter(x509ss), 707 (long)60*60*24*days); 708 X509_set_subject_name(x509ss, 709 X509_REQ_get_subject_name(req)); 710 tmppkey = X509_REQ_get_pubkey(req); 711 X509_set_pubkey(x509ss,tmppkey); 712 EVP_PKEY_free(tmppkey); 713 714 /* Set up V3 context struct */ 715 716 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 717 X509V3_set_conf_lhash(&ext_ctx, req_conf); 718 719 /* Add extensions */ 720 if(extensions && !X509V3_EXT_add_conf(req_conf, 721 &ext_ctx, extensions, x509ss)) 722 { 723 BIO_printf(bio_err, 724 "Error Loading extension section %s\n", 725 extensions); 726 goto end; 727 } 728 729 if (!(i=X509_sign(x509ss,pkey,digest))) 730 goto end; 731 } 732 else 733 { 734 X509V3_CTX ext_ctx; 735 736 /* Set up V3 context struct */ 737 738 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 739 X509V3_set_conf_lhash(&ext_ctx, req_conf); 740 741 /* Add extensions */ 742 if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 743 &ext_ctx, req_exts, req)) 744 { 745 BIO_printf(bio_err, 746 "Error Loading extension section %s\n", 747 req_exts); 748 goto end; 749 } 750 if (!(i=X509_REQ_sign(req,pkey,digest))) 751 goto end; 752 } 753 } 754 755 if (verify && !x509) 756 { 757 int tmp=0; 758 759 if (pkey == NULL) 760 { 761 pkey=X509_REQ_get_pubkey(req); 762 tmp=1; 763 if (pkey == NULL) goto end; 764 } 765 766 i=X509_REQ_verify(req,pkey); 767 if (tmp) { 768 EVP_PKEY_free(pkey); 769 pkey=NULL; 770 } 771 772 if (i < 0) 773 { 774 goto end; 775 } 776 else if (i == 0) 777 { 778 BIO_printf(bio_err,"verify failure\n"); 779 } 780 else /* if (i > 0) */ 781 BIO_printf(bio_err,"verify OK\n"); 782 } 783 784 if (noout && !text && !modulus) 785 { 786 ex=0; 787 goto end; 788 } 789 790 if (outfile == NULL) 791 BIO_set_fp(out,stdout,BIO_NOCLOSE); 792 else 793 { 794 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0)) 795 i=(int)BIO_append_filename(out,outfile); 796 else 797 i=(int)BIO_write_filename(out,outfile); 798 if (!i) 799 { 800 perror(outfile); 801 goto end; 802 } 803 } 804 805 if (text) 806 { 807 if (x509) 808 X509_print(out,x509ss); 809 else 810 X509_REQ_print(out,req); 811 } 812 813 if (modulus) 814 { 815 EVP_PKEY *pubkey; 816 817 if (x509) 818 pubkey=X509_get_pubkey(x509ss); 819 else 820 pubkey=X509_REQ_get_pubkey(req); 821 if (pubkey == NULL) 822 { 823 fprintf(stdout,"Modulus=unavailable\n"); 824 goto end; 825 } 826 fprintf(stdout,"Modulus="); 827#ifndef NO_RSA 828 if (pubkey->type == EVP_PKEY_RSA) 829 BN_print(out,pubkey->pkey.rsa->n); 830 else 831#endif 832 fprintf(stdout,"Wrong Algorithm type"); 833 fprintf(stdout,"\n"); 834 } 835 836 if (!noout && !x509) 837 { 838 if (outformat == FORMAT_ASN1) 839 i=i2d_X509_REQ_bio(out,req); 840 else if (outformat == FORMAT_PEM) { 841 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req); 842 else i=PEM_write_bio_X509_REQ(out,req); 843 } else { 844 BIO_printf(bio_err,"bad output format specified for outfile\n"); 845 goto end; 846 } 847 if (!i) 848 { 849 BIO_printf(bio_err,"unable to write X509 request\n"); 850 goto end; 851 } 852 } 853 if (!noout && x509 && (x509ss != NULL)) 854 { 855 if (outformat == FORMAT_ASN1) 856 i=i2d_X509_bio(out,x509ss); 857 else if (outformat == FORMAT_PEM) 858 i=PEM_write_bio_X509(out,x509ss); 859 else { 860 BIO_printf(bio_err,"bad output format specified for outfile\n"); 861 goto end; 862 } 863 if (!i) 864 { 865 BIO_printf(bio_err,"unable to write X509 certificate\n"); 866 goto end; 867 } 868 } 869 ex=0; 870end: 871 if (ex) 872 { 873 ERR_print_errors(bio_err); 874 } 875 if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf); 876 BIO_free(in); 877 BIO_free(out); 878 EVP_PKEY_free(pkey); 879 X509_REQ_free(req); 880 X509_free(x509ss); 881 if(passargin && passin) Free(passin); 882 if(passargout && passout) Free(passout); 883 OBJ_cleanup(); 884#ifndef NO_DSA 885 if (dsa_params != NULL) DSA_free(dsa_params); 886#endif 887 EXIT(ex); 888 } 889 890static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs) 891 { 892 int ret=0,i; 893 char no_prompt = 0; 894 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; 895 char *tmp, *dn_sect,*attr_sect; 896 897 tmp=CONF_get_string(req_conf,SECTION,PROMPT); 898 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1; 899 900 dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME); 901 if (dn_sect == NULL) 902 { 903 BIO_printf(bio_err,"unable to find '%s' in config\n", 904 DISTINGUISHED_NAME); 905 goto err; 906 } 907 dn_sk=CONF_get_section(req_conf,dn_sect); 908 if (dn_sk == NULL) 909 { 910 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect); 911 goto err; 912 } 913 914 attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES); 915 if (attr_sect == NULL) 916 attr_sk=NULL; 917 else 918 { 919 attr_sk=CONF_get_section(req_conf,attr_sect); 920 if (attr_sk == NULL) 921 { 922 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect); 923 goto err; 924 } 925 } 926 927 /* setup version number */ 928 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */ 929 930 if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs); 931 else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs); 932 if(!i) goto err; 933 934 X509_REQ_set_pubkey(req,pkey); 935 936 ret=1; 937err: 938 return(ret); 939 } 940 941 942static int prompt_info(X509_REQ *req, 943 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 944 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs) 945 { 946 int i; 947 char *p,*q; 948 char buf[100]; 949 int nid,min,max; 950 char *type,*def,*value; 951 CONF_VALUE *v; 952 X509_NAME *subj; 953 subj = X509_REQ_get_subject_name(req); 954 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n"); 955 BIO_printf(bio_err,"into your certificate request.\n"); 956 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n"); 957 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n"); 958 BIO_printf(bio_err,"For some fields there will be a default value,\n"); 959 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n"); 960 BIO_printf(bio_err,"-----\n"); 961 962 963 if (sk_CONF_VALUE_num(dn_sk)) 964 { 965 i= -1; 966start: for (;;) 967 { 968 i++; 969 if (sk_CONF_VALUE_num(dn_sk) <= i) break; 970 971 v=sk_CONF_VALUE_value(dn_sk,i); 972 p=q=NULL; 973 type=v->name; 974 if(!check_end(type,"_min") || !check_end(type,"_max") || 975 !check_end(type,"_default") || 976 !check_end(type,"_value")) continue; 977 /* Skip past any leading X. X: X, etc to allow for 978 * multiple instances 979 */ 980 for(p = v->name; *p ; p++) 981 if ((*p == ':') || (*p == ',') || 982 (*p == '.')) { 983 p++; 984 if(*p) type = p; 985 break; 986 } 987 /* If OBJ not recognised ignore it */ 988 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start; 989 sprintf(buf,"%s_default",v->name); 990 if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL) 991 def=""; 992 993 sprintf(buf,"%s_value",v->name); 994 if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL) 995 value=NULL; 996 997 sprintf(buf,"%s_min",v->name); 998 min=(int)CONF_get_number(req_conf,dn_sect,buf); 999 1000 sprintf(buf,"%s_max",v->name); 1001 max=(int)CONF_get_number(req_conf,dn_sect,buf); 1002 1003 if (!add_DN_object(subj,v->value,def,value,nid, 1004 min,max)) 1005 return 0; 1006 } 1007 if (X509_NAME_entry_count(subj) == 0) 1008 { 1009 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1010 return 0; 1011 } 1012 1013 if (attribs) 1014 { 1015 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)) 1016 { 1017 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n"); 1018 BIO_printf(bio_err,"to be sent with your certificate request\n"); 1019 } 1020 1021 i= -1; 1022start2: for (;;) 1023 { 1024 i++; 1025 if ((attr_sk == NULL) || 1026 (sk_CONF_VALUE_num(attr_sk) <= i)) 1027 break; 1028 1029 v=sk_CONF_VALUE_value(attr_sk,i); 1030 type=v->name; 1031 if ((nid=OBJ_txt2nid(type)) == NID_undef) 1032 goto start2; 1033 1034 sprintf(buf,"%s_default",type); 1035 if ((def=CONF_get_string(req_conf,attr_sect,buf)) 1036 == NULL) 1037 def=""; 1038 1039 sprintf(buf,"%s_value",type); 1040 if ((value=CONF_get_string(req_conf,attr_sect,buf)) 1041 == NULL) 1042 value=NULL; 1043 1044 sprintf(buf,"%s_min",type); 1045 min=(int)CONF_get_number(req_conf,attr_sect,buf); 1046 1047 sprintf(buf,"%s_max",type); 1048 max=(int)CONF_get_number(req_conf,attr_sect,buf); 1049 1050 if (!add_attribute_object(req, 1051 v->value,def,value,nid,min,max)) 1052 return 0; 1053 } 1054 } 1055 } 1056 else 1057 { 1058 BIO_printf(bio_err,"No template, please set one up.\n"); 1059 return 0; 1060 } 1061 1062 return 1; 1063 1064 } 1065 1066static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, 1067 STACK_OF(CONF_VALUE) *attr_sk, int attribs) 1068 { 1069 int i; 1070 char *p,*q; 1071 char *type; 1072 CONF_VALUE *v; 1073 X509_NAME *subj; 1074 1075 subj = X509_REQ_get_subject_name(req); 1076 1077 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) 1078 { 1079 v=sk_CONF_VALUE_value(dn_sk,i); 1080 p=q=NULL; 1081 type=v->name; 1082 /* Skip past any leading X. X: X, etc to allow for 1083 * multiple instances 1084 */ 1085 for(p = v->name; *p ; p++) 1086 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1087 p++; 1088 if(*p) type = p; 1089 break; 1090 } 1091 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC, 1092 (unsigned char *) v->value,-1,-1,0)) return 0; 1093 1094 } 1095 1096 if (!X509_NAME_entry_count(subj)) 1097 { 1098 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1099 return 0; 1100 } 1101 if (attribs) 1102 { 1103 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) 1104 { 1105 v=sk_CONF_VALUE_value(attr_sk,i); 1106 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC, 1107 (unsigned char *)v->value, -1)) return 0; 1108 } 1109 } 1110 return 1; 1111 } 1112 1113 1114static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 1115 int nid, int min, int max) 1116 { 1117 int i,ret=0; 1118 MS_STATIC char buf[1024]; 1119start: 1120 BIO_printf(bio_err,"%s [%s]:",text,def); 1121 (void)BIO_flush(bio_err); 1122 if (value != NULL) 1123 { 1124 strcpy(buf,value); 1125 strcat(buf,"\n"); 1126 BIO_printf(bio_err,"%s\n",value); 1127 } 1128 else 1129 { 1130 buf[0]='\0'; 1131 fgets(buf,1024,stdin); 1132 } 1133 1134 if (buf[0] == '\0') return(0); 1135 else if (buf[0] == '\n') 1136 { 1137 if ((def == NULL) || (def[0] == '\0')) 1138 return(1); 1139 strcpy(buf,def); 1140 strcat(buf,"\n"); 1141 } 1142 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1143 1144 i=strlen(buf); 1145 if (buf[i-1] != '\n') 1146 { 1147 BIO_printf(bio_err,"weird input :-(\n"); 1148 return(0); 1149 } 1150 buf[--i]='\0'; 1151 1152#ifdef CHARSET_EBCDIC 1153 ebcdic2ascii(buf, buf, i); 1154#endif 1155 if(!req_check_len(i, min, max)) goto start; 1156 if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC, 1157 (unsigned char *) buf, -1,-1,0)) goto err; 1158 ret=1; 1159err: 1160 return(ret); 1161 } 1162 1163static int add_attribute_object(X509_REQ *req, char *text, 1164 char *def, char *value, int nid, int min, 1165 int max) 1166 { 1167 int i; 1168 static char buf[1024]; 1169 1170start: 1171 BIO_printf(bio_err,"%s [%s]:",text,def); 1172 (void)BIO_flush(bio_err); 1173 if (value != NULL) 1174 { 1175 strcpy(buf,value); 1176 strcat(buf,"\n"); 1177 BIO_printf(bio_err,"%s\n",value); 1178 } 1179 else 1180 { 1181 buf[0]='\0'; 1182 fgets(buf,1024,stdin); 1183 } 1184 1185 if (buf[0] == '\0') return(0); 1186 else if (buf[0] == '\n') 1187 { 1188 if ((def == NULL) || (def[0] == '\0')) 1189 return(1); 1190 strcpy(buf,def); 1191 strcat(buf,"\n"); 1192 } 1193 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1194 1195 i=strlen(buf); 1196 if (buf[i-1] != '\n') 1197 { 1198 BIO_printf(bio_err,"weird input :-(\n"); 1199 return(0); 1200 } 1201 buf[--i]='\0'; 1202 if(!req_check_len(i, min, max)) goto start; 1203 1204 if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC, 1205 (unsigned char *)buf, -1)) { 1206 BIO_printf(bio_err, "Error adding attribute\n"); 1207 ERR_print_errors(bio_err); 1208 goto err; 1209 } 1210 1211 return(1); 1212err: 1213 return(0); 1214 } 1215 1216#ifndef NO_RSA 1217static void MS_CALLBACK req_cb(int p, int n, void *arg) 1218 { 1219 char c='*'; 1220 1221 if (p == 0) c='.'; 1222 if (p == 1) c='+'; 1223 if (p == 2) c='*'; 1224 if (p == 3) c='\n'; 1225 BIO_write((BIO *)arg,&c,1); 1226 (void)BIO_flush((BIO *)arg); 1227#ifdef LINT 1228 p=n; 1229#endif 1230 } 1231#endif 1232 1233static int req_check_len(int len, int min, int max) 1234 { 1235 if (len < min) 1236 { 1237 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min); 1238 return(0); 1239 } 1240 if ((max != 0) && (len > max)) 1241 { 1242 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",max); 1243 return(0); 1244 } 1245 return(1); 1246 } 1247 1248/* Check if the end of a string matches 'end' */ 1249static int check_end(char *str, char *end) 1250{ 1251 int elen, slen; 1252 char *tmp; 1253 elen = strlen(end); 1254 slen = strlen(str); 1255 if(elen > slen) return 1; 1256 tmp = str + slen - elen; 1257 return strcmp(tmp, end); 1258} 1259 1260static int add_oid_section(LHASH *conf) 1261{ 1262 char *p; 1263 STACK_OF(CONF_VALUE) *sktmp; 1264 CONF_VALUE *cnf; 1265 int i; 1266 if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1; 1267 if(!(sktmp = CONF_get_section(conf, p))) { 1268 BIO_printf(bio_err, "problem loading oid section %s\n", p); 1269 return 0; 1270 } 1271 for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 1272 cnf = sk_CONF_VALUE_value(sktmp, i); 1273 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 1274 BIO_printf(bio_err, "problem creating object %s=%s\n", 1275 cnf->name, cnf->value); 1276 return 0; 1277 } 1278 } 1279 return 1; 1280} 1281