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 * -rand file(s) - load the file(s) into the PRNG. 106 * -newkey - make a key and a request. 107 * -modulus - print RSA modulus. 108 * -x509 - output a self signed X509 structure instead. 109 * -asn1-kludge - output new certificate request in a format that some CA's 110 * require. This format is wrong 111 */ 112 113 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs); 114 static int prompt_info(X509_REQ *req, 115 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 116 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs); 117 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk, 118 STACK_OF(CONF_VALUE) *attr, int attribs); 119 static int add_attribute_object(X509_REQ *req, char *text, 120 char *def, char *value, int nid, int min, 121 int max); 122 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 123 int nid,int min,int max); 124 #ifndef NO_RSA 125 static void MS_CALLBACK req_cb(int p,int n,void *arg); 126 #endif 127 static int req_check_len(int len,int min,int max); 128 static int check_end(char *str, char *end); 129 #ifndef MONOLITH 130 static char *default_config_file=NULL; 131 static LHASH *config=NULL; 132 #endif 133 static LHASH *req_conf=NULL; 134 135 #define TYPE_RSA 1 136 #define TYPE_DSA 2 137 #define TYPE_DH 3 138 139 int MAIN(int, char **); 140 141 int 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 *inrand=NULL; 160 char *passargin = NULL, *passargout = NULL; 161 char *passin = NULL, *passout = NULL; 162 char *p; 163 const EVP_MD *md_alg=NULL,*digest=EVP_md5(); 164 #ifndef MONOLITH 165 MS_STATIC char config_name[256]; 166 #endif 167 168 req_conf = NULL; 169 #ifndef NO_DES 170 cipher=EVP_des_ede3_cbc(); 171 #endif 172 apps_startup(); 173 174 if (bio_err == NULL) 175 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 176 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 177 178 infile=NULL; 179 outfile=NULL; 180 informat=FORMAT_PEM; 181 outformat=FORMAT_PEM; 182 183 prog=argv[0]; 184 argc--; 185 argv++; 186 while (argc >= 1) 187 { 188 if (strcmp(*argv,"-inform") == 0) 189 { 190 if (--argc < 1) goto bad; 191 informat=str2fmt(*(++argv)); 192 } 193 else if (strcmp(*argv,"-outform") == 0) 194 { 195 if (--argc < 1) goto bad; 196 outformat=str2fmt(*(++argv)); 197 } 198 else if (strcmp(*argv,"-key") == 0) 199 { 200 if (--argc < 1) goto bad; 201 keyfile= *(++argv); 202 } 203 else if (strcmp(*argv,"-new") == 0) 204 { 205 pkey_type=TYPE_RSA; 206 newreq=1; 207 } 208 else if (strcmp(*argv,"-config") == 0) 209 { 210 if (--argc < 1) goto bad; 211 template= *(++argv); 212 } 213 else if (strcmp(*argv,"-keyform") == 0) 214 { 215 if (--argc < 1) goto bad; 216 keyform=str2fmt(*(++argv)); 217 } 218 else if (strcmp(*argv,"-in") == 0) 219 { 220 if (--argc < 1) goto bad; 221 infile= *(++argv); 222 } 223 else if (strcmp(*argv,"-out") == 0) 224 { 225 if (--argc < 1) goto bad; 226 outfile= *(++argv); 227 } 228 else if (strcmp(*argv,"-keyout") == 0) 229 { 230 if (--argc < 1) goto bad; 231 keyout= *(++argv); 232 } 233 else if (strcmp(*argv,"-passin") == 0) 234 { 235 if (--argc < 1) goto bad; 236 passargin= *(++argv); 237 } 238 else if (strcmp(*argv,"-passout") == 0) 239 { 240 if (--argc < 1) goto bad; 241 passargout= *(++argv); 242 } 243 else if (strcmp(*argv,"-rand") == 0) 244 { 245 if (--argc < 1) goto bad; 246 inrand= *(++argv); 247 } 248 else if (strcmp(*argv,"-newkey") == 0) 249 { 250 int is_numeric; 251 252 if (--argc < 1) goto bad; 253 p= *(++argv); 254 is_numeric = p[0] >= '0' && p[0] <= '9'; 255 if (strncmp("rsa:",p,4) == 0 || is_numeric) 256 { 257 pkey_type=TYPE_RSA; 258 if(!is_numeric) 259 p+=4; 260 newkey= atoi(p); 261 } 262 else 263 #ifndef NO_DSA 264 if (strncmp("dsa:",p,4) == 0) 265 { 266 X509 *xtmp=NULL; 267 EVP_PKEY *dtmp; 268 269 pkey_type=TYPE_DSA; 270 p+=4; 271 if ((in=BIO_new_file(p,"r")) == NULL) 272 { 273 perror(p); 274 goto end; 275 } 276 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) 277 { 278 ERR_clear_error(); 279 (void)BIO_reset(in); 280 if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) 281 { 282 BIO_printf(bio_err,"unable to load DSA parameters from file\n"); 283 goto end; 284 } 285 286 if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end; 287 if (dtmp->type == EVP_PKEY_DSA) 288 dsa_params=DSAparams_dup(dtmp->pkey.dsa); 289 EVP_PKEY_free(dtmp); 290 X509_free(xtmp); 291 if (dsa_params == NULL) 292 { 293 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n"); 294 goto end; 295 } 296 } 297 BIO_free(in); 298 newkey=BN_num_bits(dsa_params->p); 299 in=NULL; 300 } 301 else 302 #endif 303 #ifndef NO_DH 304 if (strncmp("dh:",p,4) == 0) 305 { 306 pkey_type=TYPE_DH; 307 p+=3; 308 } 309 else 310 #endif 311 pkey_type=TYPE_RSA; 312 313 newreq=1; 314 } 315 else if (strcmp(*argv,"-newhdr") == 0) 316 newhdr=1; 317 else if (strcmp(*argv,"-modulus") == 0) 318 modulus=1; 319 else if (strcmp(*argv,"-verify") == 0) 320 verify=1; 321 else if (strcmp(*argv,"-nodes") == 0) 322 nodes=1; 323 else if (strcmp(*argv,"-noout") == 0) 324 noout=1; 325 else if (strcmp(*argv,"-text") == 0) 326 text=1; 327 else if (strcmp(*argv,"-x509") == 0) 328 x509=1; 329 else if (strcmp(*argv,"-asn1-kludge") == 0) 330 kludge=1; 331 else if (strcmp(*argv,"-no-asn1-kludge") == 0) 332 kludge=0; 333 else if (strcmp(*argv,"-days") == 0) 334 { 335 if (--argc < 1) goto bad; 336 days= atoi(*(++argv)); 337 if (days == 0) days=30; 338 } 339 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 340 { 341 /* ok */ 342 digest=md_alg; 343 } 344 else if (strcmp(*argv,"-extensions") == 0) 345 { 346 if (--argc < 1) goto bad; 347 extensions = *(++argv); 348 } 349 else if (strcmp(*argv,"-reqexts") == 0) 350 { 351 if (--argc < 1) goto bad; 352 req_exts = *(++argv); 353 } 354 else 355 { 356 BIO_printf(bio_err,"unknown option %s\n",*argv); 357 badops=1; 358 break; 359 } 360 argc--; 361 argv++; 362 } 363 364 if (badops) 365 { 366 bad: 367 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 368 BIO_printf(bio_err,"where options are\n"); 369 BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); 370 BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); 371 BIO_printf(bio_err," -in arg input file\n"); 372 BIO_printf(bio_err," -out arg output file\n"); 373 BIO_printf(bio_err," -text text form of request\n"); 374 BIO_printf(bio_err," -noout do not output REQ\n"); 375 BIO_printf(bio_err," -verify verify signature on REQ\n"); 376 BIO_printf(bio_err," -modulus RSA modulus\n"); 377 BIO_printf(bio_err," -nodes don't encrypt the output key\n"); 378 BIO_printf(bio_err," -key file use the private key contained in file\n"); 379 BIO_printf(bio_err," -keyform arg key file format\n"); 380 BIO_printf(bio_err," -keyout arg file to send the key to\n"); 381 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 382 BIO_printf(bio_err," load the file (or the files in the directory) into\n"); 383 BIO_printf(bio_err," the random number generator\n"); 384 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 385 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 386 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n"); 387 BIO_printf(bio_err," -config file request template file.\n"); 388 BIO_printf(bio_err," -new new request.\n"); 389 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n"); 390 BIO_printf(bio_err," -days number of days a x509 generated by -x509 is valid for.\n"); 391 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n"); 392 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 393 BIO_printf(bio_err," have been reported as requiring\n"); 394 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n"); 395 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n"); 396 goto end; 397 } 398 399 ERR_load_crypto_strings(); 400 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 401 BIO_printf(bio_err, "Error getting passwords\n"); 402 goto end; 403 } 404 405 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */ 406 /* Lets load up our environment a little */ 407 p=getenv("OPENSSL_CONF"); 408 if (p == NULL) 409 p=getenv("SSLEAY_CONF"); 410 if (p == NULL) 411 { 412 strcpy(config_name,X509_get_default_cert_area()); 413 #ifndef VMS 414 strcat(config_name,"/"); 415 #endif 416 strcat(config_name,OPENSSL_CONF); 417 p=config_name; 418 } 419 default_config_file=p; 420 config=CONF_load(config,p,NULL); 421 #endif 422 423 if (template != NULL) 424 { 425 long errline; 426 427 BIO_printf(bio_err,"Using configuration from %s\n",template); 428 req_conf=CONF_load(NULL,template,&errline); 429 if (req_conf == NULL) 430 { 431 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template); 432 goto end; 433 } 434 } 435 else 436 { 437 req_conf=config; 438 BIO_printf(bio_err,"Using configuration from %s\n", 439 default_config_file); 440 if (req_conf == NULL) 441 { 442 BIO_printf(bio_err,"Unable to load config info\n"); 443 } 444 } 445 446 if (req_conf != NULL) 447 { 448 p=CONF_get_string(req_conf,NULL,"oid_file"); 449 if (p != NULL) 450 { 451 BIO *oid_bio; 452 453 oid_bio=BIO_new_file(p,"r"); 454 if (oid_bio == NULL) 455 { 456 /* 457 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 458 ERR_print_errors(bio_err); 459 */ 460 } 461 else 462 { 463 OBJ_create_objects(oid_bio); 464 BIO_free(oid_bio); 465 } 466 } 467 } 468 if(!add_oid_section(bio_err, req_conf)) goto end; 469 470 if ((md_alg == NULL) && 471 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL)) 472 { 473 if ((md_alg=EVP_get_digestbyname(p)) != NULL) 474 digest=md_alg; 475 } 476 477 if(!extensions) 478 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 479 if(extensions) { 480 /* Check syntax of file */ 481 X509V3_CTX ctx; 482 X509V3_set_ctx_test(&ctx); 483 X509V3_set_conf_lhash(&ctx, req_conf); 484 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) { 485 BIO_printf(bio_err, 486 "Error Loading extension section %s\n", extensions); 487 goto end; 488 } 489 } 490 491 if(!passin) 492 passin = CONF_get_string(req_conf, SECTION, "input_password"); 493 494 if(!passout) 495 passout = CONF_get_string(req_conf, SECTION, "output_password"); 496 497 p = CONF_get_string(req_conf, SECTION, STRING_MASK); 498 499 if(p && !ASN1_STRING_set_default_mask_asc(p)) { 500 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); 501 goto end; 502 } 503 504 if(!req_exts) 505 req_exts = CONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); 506 if(req_exts) { 507 /* Check syntax of file */ 508 X509V3_CTX ctx; 509 X509V3_set_ctx_test(&ctx); 510 X509V3_set_conf_lhash(&ctx, req_conf); 511 if(!X509V3_EXT_add_conf(req_conf, &ctx, req_exts, NULL)) { 512 BIO_printf(bio_err, 513 "Error Loading request extension section %s\n", 514 req_exts); 515 goto end; 516 } 517 } 518 519 in=BIO_new(BIO_s_file()); 520 out=BIO_new(BIO_s_file()); 521 if ((in == NULL) || (out == NULL)) 522 goto end; 523 524 if (keyfile != NULL) 525 { 526 if (BIO_read_filename(in,keyfile) <= 0) 527 { 528 perror(keyfile); 529 goto end; 530 } 531 532 if (keyform == FORMAT_ASN1) 533 pkey=d2i_PrivateKey_bio(in,NULL); 534 else if (keyform == FORMAT_PEM) 535 { 536 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,passin); 537 } 538 else 539 { 540 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 541 goto end; 542 } 543 544 if (pkey == NULL) 545 { 546 BIO_printf(bio_err,"unable to load Private key\n"); 547 goto end; 548 } 549 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA) 550 { 551 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE"); 552 app_RAND_load_file(randfile, bio_err, 0); 553 } 554 } 555 556 if (newreq && (pkey == NULL)) 557 { 558 char *randfile = CONF_get_string(req_conf,SECTION,"RANDFILE"); 559 app_RAND_load_file(randfile, bio_err, 0); 560 if (inrand) 561 app_RAND_load_files(inrand); 562 563 if (newkey <= 0) 564 { 565 newkey=(int)CONF_get_number(req_conf,SECTION,BITS); 566 if (newkey <= 0) 567 newkey=DEFAULT_KEY_LENGTH; 568 } 569 570 if (newkey < MIN_KEY_LENGTH) 571 { 572 BIO_printf(bio_err,"private key length is too short,\n"); 573 BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey); 574 goto end; 575 } 576 BIO_printf(bio_err,"Generating a %d bit %s private key\n", 577 newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA"); 578 579 if ((pkey=EVP_PKEY_new()) == NULL) goto end; 580 581 #ifndef NO_RSA 582 if (pkey_type == TYPE_RSA) 583 { 584 if (!EVP_PKEY_assign_RSA(pkey, 585 RSA_generate_key(newkey,0x10001, 586 req_cb,bio_err))) 587 goto end; 588 } 589 else 590 #endif 591 #ifndef NO_DSA 592 if (pkey_type == TYPE_DSA) 593 { 594 if (!DSA_generate_key(dsa_params)) goto end; 595 if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end; 596 dsa_params=NULL; 597 } 598 #endif 599 600 app_RAND_write_file(randfile, bio_err); 601 602 if (pkey == NULL) goto end; 603 604 if (keyout == NULL) 605 keyout=CONF_get_string(req_conf,SECTION,KEYFILE); 606 607 if (keyout == NULL) 608 { 609 BIO_printf(bio_err,"writing new private key to stdout\n"); 610 BIO_set_fp(out,stdout,BIO_NOCLOSE); 611 #ifdef VMS 612 { 613 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 614 out = BIO_push(tmpbio, out); 615 } 616 #endif 617 } 618 else 619 { 620 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout); 621 if (BIO_write_filename(out,keyout) <= 0) 622 { 623 perror(keyout); 624 goto end; 625 } 626 } 627 628 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key"); 629 if (p == NULL) 630 p=CONF_get_string(req_conf,SECTION,"encrypt_key"); 631 if ((p != NULL) && (strcmp(p,"no") == 0)) 632 cipher=NULL; 633 if (nodes) cipher=NULL; 634 635 i=0; 636 loop: 637 if (!PEM_write_bio_PrivateKey(out,pkey,cipher, 638 NULL,0,NULL,passout)) 639 { 640 if ((ERR_GET_REASON(ERR_peek_error()) == 641 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) 642 { 643 ERR_clear_error(); 644 i++; 645 goto loop; 646 } 647 goto end; 648 } 649 BIO_printf(bio_err,"-----\n"); 650 } 651 652 if (!newreq) 653 { 654 /* Since we are using a pre-existing certificate 655 * request, the kludge 'format' info should not be 656 * changed. */ 657 kludge= -1; 658 if (infile == NULL) 659 BIO_set_fp(in,stdin,BIO_NOCLOSE); 660 else 661 { 662 if (BIO_read_filename(in,infile) <= 0) 663 { 664 perror(infile); 665 goto end; 666 } 667 } 668 669 if (informat == FORMAT_ASN1) 670 req=d2i_X509_REQ_bio(in,NULL); 671 else if (informat == FORMAT_PEM) 672 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); 673 else 674 { 675 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 676 goto end; 677 } 678 if (req == NULL) 679 { 680 BIO_printf(bio_err,"unable to load X509 request\n"); 681 goto end; 682 } 683 } 684 685 if (newreq || x509) 686 { 687 if (pkey == NULL) 688 { 689 BIO_printf(bio_err,"you need to specify a private key\n"); 690 goto end; 691 } 692 #ifndef NO_DSA 693 if (pkey->type == EVP_PKEY_DSA) 694 digest=EVP_dss1(); 695 #endif 696 if (req == NULL) 697 { 698 req=X509_REQ_new(); 699 if (req == NULL) 700 { 701 goto end; 702 } 703 704 i=make_REQ(req,pkey,!x509); 705 if (kludge >= 0) 706 req->req_info->req_kludge=kludge; 707 if (!i) 708 { 709 BIO_printf(bio_err,"problems making Certificate Request\n"); 710 goto end; 711 } 712 } 713 if (x509) 714 { 715 EVP_PKEY *tmppkey; 716 X509V3_CTX ext_ctx; 717 if ((x509ss=X509_new()) == NULL) goto end; 718 719 /* Set version to V3 */ 720 if(!X509_set_version(x509ss, 2)) goto end; 721 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end; 722 723 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 724 if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end; 725 if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end; 726 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 727 tmppkey = X509_REQ_get_pubkey(req); 728 if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end; 729 EVP_PKEY_free(tmppkey); 730 731 /* Set up V3 context struct */ 732 733 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 734 X509V3_set_conf_lhash(&ext_ctx, req_conf); 735 736 /* Add extensions */ 737 if(extensions && !X509V3_EXT_add_conf(req_conf, 738 &ext_ctx, extensions, x509ss)) 739 { 740 BIO_printf(bio_err, 741 "Error Loading extension section %s\n", 742 extensions); 743 goto end; 744 } 745 746 if (!(i=X509_sign(x509ss,pkey,digest))) 747 goto end; 748 } 749 else 750 { 751 X509V3_CTX ext_ctx; 752 753 /* Set up V3 context struct */ 754 755 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 756 X509V3_set_conf_lhash(&ext_ctx, req_conf); 757 758 /* Add extensions */ 759 if(req_exts && !X509V3_EXT_REQ_add_conf(req_conf, 760 &ext_ctx, req_exts, req)) 761 { 762 BIO_printf(bio_err, 763 "Error Loading extension section %s\n", 764 req_exts); 765 goto end; 766 } 767 if (!(i=X509_REQ_sign(req,pkey,digest))) 768 goto end; 769 } 770 } 771 772 if (verify && !x509) 773 { 774 int tmp=0; 775 776 if (pkey == NULL) 777 { 778 pkey=X509_REQ_get_pubkey(req); 779 tmp=1; 780 if (pkey == NULL) goto end; 781 } 782 783 i=X509_REQ_verify(req,pkey); 784 if (tmp) { 785 EVP_PKEY_free(pkey); 786 pkey=NULL; 787 } 788 789 if (i < 0) 790 { 791 goto end; 792 } 793 else if (i == 0) 794 { 795 BIO_printf(bio_err,"verify failure\n"); 796 } 797 else /* if (i > 0) */ 798 BIO_printf(bio_err,"verify OK\n"); 799 } 800 801 if (noout && !text && !modulus) 802 { 803 ex=0; 804 goto end; 805 } 806 807 if (outfile == NULL) 808 { 809 BIO_set_fp(out,stdout,BIO_NOCLOSE); 810 #ifdef VMS 811 { 812 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 813 out = BIO_push(tmpbio, out); 814 } 815 #endif 816 } 817 else 818 { 819 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0)) 820 i=(int)BIO_append_filename(out,outfile); 821 else 822 i=(int)BIO_write_filename(out,outfile); 823 if (!i) 824 { 825 perror(outfile); 826 goto end; 827 } 828 } 829 830 if (text) 831 { 832 if (x509) 833 X509_print(out,x509ss); 834 else 835 X509_REQ_print(out,req); 836 } 837 838 if (modulus) 839 { 840 EVP_PKEY *pubkey; 841 842 if (x509) 843 pubkey=X509_get_pubkey(x509ss); 844 else 845 pubkey=X509_REQ_get_pubkey(req); 846 if (pubkey == NULL) 847 { 848 fprintf(stdout,"Modulus=unavailable\n"); 849 goto end; 850 } 851 fprintf(stdout,"Modulus="); 852 #ifndef NO_RSA 853 if (pubkey->type == EVP_PKEY_RSA) 854 BN_print(out,pubkey->pkey.rsa->n); 855 else 856 #endif 857 fprintf(stdout,"Wrong Algorithm type"); 858 fprintf(stdout,"\n"); 859 } 860 861 if (!noout && !x509) 862 { 863 if (outformat == FORMAT_ASN1) 864 i=i2d_X509_REQ_bio(out,req); 865 else if (outformat == FORMAT_PEM) { 866 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req); 867 else i=PEM_write_bio_X509_REQ(out,req); 868 } else { 869 BIO_printf(bio_err,"bad output format specified for outfile\n"); 870 goto end; 871 } 872 if (!i) 873 { 874 BIO_printf(bio_err,"unable to write X509 request\n"); 875 goto end; 876 } 877 } 878 if (!noout && x509 && (x509ss != NULL)) 879 { 880 if (outformat == FORMAT_ASN1) 881 i=i2d_X509_bio(out,x509ss); 882 else if (outformat == FORMAT_PEM) 883 i=PEM_write_bio_X509(out,x509ss); 884 else { 885 BIO_printf(bio_err,"bad output format specified for outfile\n"); 886 goto end; 887 } 888 if (!i) 889 { 890 BIO_printf(bio_err,"unable to write X509 certificate\n"); 891 goto end; 892 } 893 } 894 ex=0; 895 end: 896 if (ex) 897 { 898 ERR_print_errors(bio_err); 899 } 900 if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf); 901 BIO_free(in); 902 BIO_free_all(out); 903 EVP_PKEY_free(pkey); 904 X509_REQ_free(req); 905 X509_free(x509ss); 906 if(passargin && passin) OPENSSL_free(passin); 907 if(passargout && passout) OPENSSL_free(passout); 908 OBJ_cleanup(); 909 #ifndef NO_DSA 910 if (dsa_params != NULL) DSA_free(dsa_params); 911 #endif 912 EXIT(ex); 913 } 914 915 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs) 916 { 917 int ret=0,i; 918 char no_prompt = 0; 919 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; 920 char *tmp, *dn_sect,*attr_sect; 921 922 tmp=CONF_get_string(req_conf,SECTION,PROMPT); 923 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1; 924 925 dn_sect=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME); 926 if (dn_sect == NULL) 927 { 928 BIO_printf(bio_err,"unable to find '%s' in config\n", 929 DISTINGUISHED_NAME); 930 goto err; 931 } 932 dn_sk=CONF_get_section(req_conf,dn_sect); 933 if (dn_sk == NULL) 934 { 935 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect); 936 goto err; 937 } 938 939 attr_sect=CONF_get_string(req_conf,SECTION,ATTRIBUTES); 940 if (attr_sect == NULL) 941 attr_sk=NULL; 942 else 943 { 944 attr_sk=CONF_get_section(req_conf,attr_sect); 945 if (attr_sk == NULL) 946 { 947 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect); 948 goto err; 949 } 950 } 951 952 /* setup version number */ 953 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */ 954 955 if(no_prompt) i = auto_info(req, dn_sk, attr_sk, attribs); 956 else i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs); 957 if(!i) goto err; 958 959 if (!X509_REQ_set_pubkey(req,pkey)) goto err; 960 961 ret=1; 962 err: 963 return(ret); 964 } 965 966 967 static int prompt_info(X509_REQ *req, 968 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 969 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs) 970 { 971 int i; 972 char *p,*q; 973 char buf[100]; 974 int nid,min,max; 975 char *type,*def,*value; 976 CONF_VALUE *v; 977 X509_NAME *subj; 978 subj = X509_REQ_get_subject_name(req); 979 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n"); 980 BIO_printf(bio_err,"into your certificate request.\n"); 981 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n"); 982 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n"); 983 BIO_printf(bio_err,"For some fields there will be a default value,\n"); 984 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n"); 985 BIO_printf(bio_err,"-----\n"); 986 987 988 if (sk_CONF_VALUE_num(dn_sk)) 989 { 990 i= -1; 991 start: for (;;) 992 { 993 i++; 994 if (sk_CONF_VALUE_num(dn_sk) <= i) break; 995 996 v=sk_CONF_VALUE_value(dn_sk,i); 997 p=q=NULL; 998 type=v->name; 999 if(!check_end(type,"_min") || !check_end(type,"_max") || 1000 !check_end(type,"_default") || 1001 !check_end(type,"_value")) continue; 1002 /* Skip past any leading X. X: X, etc to allow for 1003 * multiple instances 1004 */ 1005 for(p = v->name; *p ; p++) 1006 if ((*p == ':') || (*p == ',') || 1007 (*p == '.')) { 1008 p++; 1009 if(*p) type = p; 1010 break; 1011 } 1012 /* If OBJ not recognised ignore it */ 1013 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start; 1014 sprintf(buf,"%s_default",v->name); 1015 if ((def=CONF_get_string(req_conf,dn_sect,buf)) == NULL) 1016 def=""; 1017 1018 sprintf(buf,"%s_value",v->name); 1019 if ((value=CONF_get_string(req_conf,dn_sect,buf)) == NULL) 1020 value=NULL; 1021 1022 sprintf(buf,"%s_min",v->name); 1023 min=(int)CONF_get_number(req_conf,dn_sect,buf); 1024 1025 sprintf(buf,"%s_max",v->name); 1026 max=(int)CONF_get_number(req_conf,dn_sect,buf); 1027 1028 if (!add_DN_object(subj,v->value,def,value,nid, 1029 min,max)) 1030 return 0; 1031 } 1032 if (X509_NAME_entry_count(subj) == 0) 1033 { 1034 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1035 return 0; 1036 } 1037 1038 if (attribs) 1039 { 1040 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)) 1041 { 1042 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n"); 1043 BIO_printf(bio_err,"to be sent with your certificate request\n"); 1044 } 1045 1046 i= -1; 1047 start2: for (;;) 1048 { 1049 i++; 1050 if ((attr_sk == NULL) || 1051 (sk_CONF_VALUE_num(attr_sk) <= i)) 1052 break; 1053 1054 v=sk_CONF_VALUE_value(attr_sk,i); 1055 type=v->name; 1056 if ((nid=OBJ_txt2nid(type)) == NID_undef) 1057 goto start2; 1058 1059 sprintf(buf,"%s_default",type); 1060 if ((def=CONF_get_string(req_conf,attr_sect,buf)) 1061 == NULL) 1062 def=""; 1063 1064 sprintf(buf,"%s_value",type); 1065 if ((value=CONF_get_string(req_conf,attr_sect,buf)) 1066 == NULL) 1067 value=NULL; 1068 1069 sprintf(buf,"%s_min",type); 1070 min=(int)CONF_get_number(req_conf,attr_sect,buf); 1071 1072 sprintf(buf,"%s_max",type); 1073 max=(int)CONF_get_number(req_conf,attr_sect,buf); 1074 1075 if (!add_attribute_object(req, 1076 v->value,def,value,nid,min,max)) 1077 return 0; 1078 } 1079 } 1080 } 1081 else 1082 { 1083 BIO_printf(bio_err,"No template, please set one up.\n"); 1084 return 0; 1085 } 1086 1087 return 1; 1088 1089 } 1090 1091 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, 1092 STACK_OF(CONF_VALUE) *attr_sk, int attribs) 1093 { 1094 int i; 1095 char *p,*q; 1096 char *type; 1097 CONF_VALUE *v; 1098 X509_NAME *subj; 1099 1100 subj = X509_REQ_get_subject_name(req); 1101 1102 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) 1103 { 1104 v=sk_CONF_VALUE_value(dn_sk,i); 1105 p=q=NULL; 1106 type=v->name; 1107 /* Skip past any leading X. X: X, etc to allow for 1108 * multiple instances 1109 */ 1110 for(p = v->name; *p ; p++) 1111 #ifndef CHARSET_EBCDIC 1112 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1113 #else 1114 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) { 1115 #endif 1116 p++; 1117 if(*p) type = p; 1118 break; 1119 } 1120 if (!X509_NAME_add_entry_by_txt(subj,type, MBSTRING_ASC, 1121 (unsigned char *) v->value,-1,-1,0)) return 0; 1122 1123 } 1124 1125 if (!X509_NAME_entry_count(subj)) 1126 { 1127 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1128 return 0; 1129 } 1130 if (attribs) 1131 { 1132 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) 1133 { 1134 v=sk_CONF_VALUE_value(attr_sk,i); 1135 if(!X509_REQ_add1_attr_by_txt(req, v->name, MBSTRING_ASC, 1136 (unsigned char *)v->value, -1)) return 0; 1137 } 1138 } 1139 return 1; 1140 } 1141 1142 1143 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 1144 int nid, int min, int max) 1145 { 1146 int i,ret=0; 1147 MS_STATIC char buf[1024]; 1148 start: 1149 BIO_printf(bio_err,"%s [%s]:",text,def); 1150 (void)BIO_flush(bio_err); 1151 if (value != NULL) 1152 { 1153 strcpy(buf,value); 1154 strcat(buf,"\n"); 1155 BIO_printf(bio_err,"%s\n",value); 1156 } 1157 else 1158 { 1159 buf[0]='\0'; 1160 fgets(buf,1024,stdin); 1161 } 1162 1163 if (buf[0] == '\0') return(0); 1164 else if (buf[0] == '\n') 1165 { 1166 if ((def == NULL) || (def[0] == '\0')) 1167 return(1); 1168 strcpy(buf,def); 1169 strcat(buf,"\n"); 1170 } 1171 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1172 1173 i=strlen(buf); 1174 if (buf[i-1] != '\n') 1175 { 1176 BIO_printf(bio_err,"weird input :-(\n"); 1177 return(0); 1178 } 1179 buf[--i]='\0'; 1180 1181 #ifdef CHARSET_EBCDIC 1182 ebcdic2ascii(buf, buf, i); 1183 #endif 1184 if(!req_check_len(i, min, max)) goto start; 1185 if (!X509_NAME_add_entry_by_NID(n,nid, MBSTRING_ASC, 1186 (unsigned char *) buf, -1,-1,0)) goto err; 1187 ret=1; 1188 err: 1189 return(ret); 1190 } 1191 1192 static int add_attribute_object(X509_REQ *req, char *text, 1193 char *def, char *value, int nid, int min, 1194 int max) 1195 { 1196 int i; 1197 static char buf[1024]; 1198 1199 start: 1200 BIO_printf(bio_err,"%s [%s]:",text,def); 1201 (void)BIO_flush(bio_err); 1202 if (value != NULL) 1203 { 1204 strcpy(buf,value); 1205 strcat(buf,"\n"); 1206 BIO_printf(bio_err,"%s\n",value); 1207 } 1208 else 1209 { 1210 buf[0]='\0'; 1211 fgets(buf,1024,stdin); 1212 } 1213 1214 if (buf[0] == '\0') return(0); 1215 else if (buf[0] == '\n') 1216 { 1217 if ((def == NULL) || (def[0] == '\0')) 1218 return(1); 1219 strcpy(buf,def); 1220 strcat(buf,"\n"); 1221 } 1222 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1223 1224 i=strlen(buf); 1225 if (buf[i-1] != '\n') 1226 { 1227 BIO_printf(bio_err,"weird input :-(\n"); 1228 return(0); 1229 } 1230 buf[--i]='\0'; 1231 #ifdef CHARSET_EBCDIC 1232 ebcdic2ascii(buf, buf, i); 1233 #endif 1234 if(!req_check_len(i, min, max)) goto start; 1235 1236 if(!X509_REQ_add1_attr_by_NID(req, nid, MBSTRING_ASC, 1237 (unsigned char *)buf, -1)) { 1238 BIO_printf(bio_err, "Error adding attribute\n"); 1239 ERR_print_errors(bio_err); 1240 goto err; 1241 } 1242 1243 return(1); 1244 err: 1245 return(0); 1246 } 1247 1248 #ifndef NO_RSA 1249 static void MS_CALLBACK req_cb(int p, int n, void *arg) 1250 { 1251 char c='*'; 1252 1253 if (p == 0) c='.'; 1254 if (p == 1) c='+'; 1255 if (p == 2) c='*'; 1256 if (p == 3) c='\n'; 1257 BIO_write((BIO *)arg,&c,1); 1258 (void)BIO_flush((BIO *)arg); 1259 #ifdef LINT 1260 p=n; 1261 #endif 1262 } 1263 #endif 1264 1265 static int req_check_len(int len, int min, int max) 1266 { 1267 if (len < min) 1268 { 1269 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min); 1270 return(0); 1271 } 1272 if ((max != 0) && (len > max)) 1273 { 1274 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",max); 1275 return(0); 1276 } 1277 return(1); 1278 } 1279 1280 /* Check if the end of a string matches 'end' */ 1281 static int check_end(char *str, char *end) 1282 { 1283 int elen, slen; 1284 char *tmp; 1285 elen = strlen(end); 1286 slen = strlen(str); 1287 if(elen > slen) return 1; 1288 tmp = str + slen - elen; 1289 return strcmp(tmp, end); 1290 } 1291