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/rand.h> 70 #include <openssl/conf.h> 71 #include <openssl/err.h> 72 #include <openssl/asn1.h> 73 #include <openssl/x509.h> 74 #include <openssl/x509v3.h> 75 #include <openssl/objects.h> 76 #include <openssl/pem.h> 77 78 #define SECTION "req" 79 80 #define BITS "default_bits" 81 #define KEYFILE "default_keyfile" 82 #define DISTINGUISHED_NAME "distinguished_name" 83 #define ATTRIBUTES "attributes" 84 #define V3_EXTENSIONS "x509_extensions" 85 86 #define DEFAULT_KEY_LENGTH 512 87 #define MIN_KEY_LENGTH 384 88 89 #undef PROG 90 #define PROG req_main 91 92 /* -inform arg - input format - default PEM (one of DER, TXT or PEM) 93 * -outform arg - output format - default PEM 94 * -in arg - input file - default stdin 95 * -out arg - output file - default stdout 96 * -verify - check request signature 97 * -noout - don't print stuff out. 98 * -text - print out human readable text. 99 * -nodes - no des encryption 100 * -config file - Load configuration file. 101 * -key file - make a request using key in file (or use it for verification). 102 * -keyform - key file format. 103 * -newkey - make a key and a request. 104 * -modulus - print RSA modulus. 105 * -x509 - output a self signed X509 structure instead. 106 * -asn1-kludge - output new certificate request in a format that some CA's 107 * require. This format is wrong 108 */ 109 110 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,int attribs); 111 static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text, 112 char *def, char *value, int nid, int min, 113 int max); 114 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 115 int nid,int min,int max); 116 static void MS_CALLBACK req_cb(int p,int n,void *arg); 117 static int req_fix_data(int nid,int *type,int len,int min,int max); 118 static int check_end(char *str, char *end); 119 static int add_oid_section(LHASH *conf); 120 #ifndef MONOLITH 121 static char *default_config_file=NULL; 122 static LHASH *config=NULL; 123 #endif 124 static LHASH *req_conf=NULL; 125 126 #define TYPE_RSA 1 127 #define TYPE_DSA 2 128 #define TYPE_DH 3 129 130 int MAIN(int argc, char **argv) 131 { 132 #ifndef NO_DSA 133 DSA *dsa_params=NULL; 134 #endif 135 int ex=1,x509=0,days=30; 136 X509 *x509ss=NULL; 137 X509_REQ *req=NULL; 138 EVP_PKEY *pkey=NULL; 139 int i,badops=0,newreq=0,newkey= -1,pkey_type=0; 140 BIO *in=NULL,*out=NULL; 141 int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM; 142 int nodes=0,kludge=0; 143 char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL; 144 char *extensions = NULL; 145 EVP_CIPHER *cipher=NULL; 146 int modulus=0; 147 char *p; 148 const EVP_MD *md_alg=NULL,*digest=EVP_md5(); 149 #ifndef MONOLITH 150 MS_STATIC char config_name[256]; 151 #endif 152 153 #ifndef NO_DES 154 cipher=EVP_des_ede3_cbc(); 155 #endif 156 apps_startup(); 157 158 if (bio_err == NULL) 159 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 160 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 161 162 infile=NULL; 163 outfile=NULL; 164 informat=FORMAT_PEM; 165 outformat=FORMAT_PEM; 166 167 prog=argv[0]; 168 argc--; 169 argv++; 170 while (argc >= 1) 171 { 172 if (strcmp(*argv,"-inform") == 0) 173 { 174 if (--argc < 1) goto bad; 175 informat=str2fmt(*(++argv)); 176 } 177 else if (strcmp(*argv,"-outform") == 0) 178 { 179 if (--argc < 1) goto bad; 180 outformat=str2fmt(*(++argv)); 181 } 182 else if (strcmp(*argv,"-key") == 0) 183 { 184 if (--argc < 1) goto bad; 185 keyfile= *(++argv); 186 } 187 else if (strcmp(*argv,"-new") == 0) 188 { 189 pkey_type=TYPE_RSA; 190 newreq=1; 191 } 192 else if (strcmp(*argv,"-config") == 0) 193 { 194 if (--argc < 1) goto bad; 195 template= *(++argv); 196 } 197 else if (strcmp(*argv,"-keyform") == 0) 198 { 199 if (--argc < 1) goto bad; 200 keyform=str2fmt(*(++argv)); 201 } 202 else if (strcmp(*argv,"-in") == 0) 203 { 204 if (--argc < 1) goto bad; 205 infile= *(++argv); 206 } 207 else if (strcmp(*argv,"-out") == 0) 208 { 209 if (--argc < 1) goto bad; 210 outfile= *(++argv); 211 } 212 else if (strcmp(*argv,"-keyout") == 0) 213 { 214 if (--argc < 1) goto bad; 215 keyout= *(++argv); 216 } 217 else if (strcmp(*argv,"-newkey") == 0) 218 { 219 int is_numeric; 220 221 if (--argc < 1) goto bad; 222 p= *(++argv); 223 is_numeric = p[0] >= '0' && p[0] <= '9'; 224 if (strncmp("rsa:",p,4) == 0 || is_numeric) 225 { 226 pkey_type=TYPE_RSA; 227 if(!is_numeric) 228 p+=4; 229 newkey= atoi(p); 230 } 231 else 232 #ifndef NO_DSA 233 if (strncmp("dsa:",p,4) == 0) 234 { 235 X509 *xtmp=NULL; 236 EVP_PKEY *dtmp; 237 238 pkey_type=TYPE_DSA; 239 p+=4; 240 if ((in=BIO_new_file(p,"r")) == NULL) 241 { 242 perror(p); 243 goto end; 244 } 245 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) 246 { 247 ERR_clear_error(); 248 (void)BIO_reset(in); 249 if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) 250 { 251 BIO_printf(bio_err,"unable to load DSA parameters from file\n"); 252 goto end; 253 } 254 255 dtmp=X509_get_pubkey(xtmp); 256 if (dtmp->type == EVP_PKEY_DSA) 257 dsa_params=DSAparams_dup(dtmp->pkey.dsa); 258 EVP_PKEY_free(dtmp); 259 X509_free(xtmp); 260 if (dsa_params == NULL) 261 { 262 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n"); 263 goto end; 264 } 265 } 266 BIO_free(in); 267 newkey=BN_num_bits(dsa_params->p); 268 in=NULL; 269 } 270 else 271 #endif 272 #ifndef NO_DH 273 if (strncmp("dh:",p,4) == 0) 274 { 275 pkey_type=TYPE_DH; 276 p+=3; 277 } 278 else 279 #endif 280 pkey_type=TYPE_RSA; 281 282 newreq=1; 283 } 284 else if (strcmp(*argv,"-modulus") == 0) 285 modulus=1; 286 else if (strcmp(*argv,"-verify") == 0) 287 verify=1; 288 else if (strcmp(*argv,"-nodes") == 0) 289 nodes=1; 290 else if (strcmp(*argv,"-noout") == 0) 291 noout=1; 292 else if (strcmp(*argv,"-text") == 0) 293 text=1; 294 else if (strcmp(*argv,"-x509") == 0) 295 x509=1; 296 else if (strcmp(*argv,"-asn1-kludge") == 0) 297 kludge=1; 298 else if (strcmp(*argv,"-no-asn1-kludge") == 0) 299 kludge=0; 300 else if (strcmp(*argv,"-days") == 0) 301 { 302 if (--argc < 1) goto bad; 303 days= atoi(*(++argv)); 304 if (days == 0) days=30; 305 } 306 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 307 { 308 /* ok */ 309 digest=md_alg; 310 } 311 else 312 313 { 314 BIO_printf(bio_err,"unknown option %s\n",*argv); 315 badops=1; 316 break; 317 } 318 argc--; 319 argv++; 320 } 321 322 if (badops) 323 { 324 bad: 325 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 326 BIO_printf(bio_err,"where options are\n"); 327 BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n"); 328 BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n"); 329 BIO_printf(bio_err," -in arg input file\n"); 330 BIO_printf(bio_err," -out arg output file\n"); 331 BIO_printf(bio_err," -text text form of request\n"); 332 BIO_printf(bio_err," -noout do not output REQ\n"); 333 BIO_printf(bio_err," -verify verify signature on REQ\n"); 334 BIO_printf(bio_err," -modulus RSA modulus\n"); 335 BIO_printf(bio_err," -nodes don't encrypt the output key\n"); 336 BIO_printf(bio_err," -key file use the private key contained in file\n"); 337 BIO_printf(bio_err," -keyform arg key file format\n"); 338 BIO_printf(bio_err," -keyout arg file to send the key to\n"); 339 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 340 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 341 342 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2)\n"); 343 BIO_printf(bio_err," -config file request template file.\n"); 344 BIO_printf(bio_err," -new new request.\n"); 345 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n"); 346 BIO_printf(bio_err," -days number of days a x509 generated by -x509 is valid for.\n"); 347 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 348 BIO_printf(bio_err," have been reported as requiring\n"); 349 BIO_printf(bio_err," [ It is now always turned on but can be turned off with -no-asn1-kludge ]\n"); 350 goto end; 351 } 352 353 ERR_load_crypto_strings(); 354 X509V3_add_standard_extensions(); 355 356 #ifndef MONOLITH 357 /* Lets load up our environment a little */ 358 p=getenv("OPENSSL_CONF"); 359 if (p == NULL) 360 p=getenv("SSLEAY_CONF"); 361 if (p == NULL) 362 { 363 strcpy(config_name,X509_get_default_cert_area()); 364 #ifndef VMS 365 strcat(config_name,"/"); 366 #endif 367 strcat(config_name,OPENSSL_CONF); 368 p=config_name; 369 } 370 default_config_file=p; 371 config=CONF_load(config,p,NULL); 372 #endif 373 374 if (template != NULL) 375 { 376 long errline; 377 378 BIO_printf(bio_err,"Using configuration from %s\n",template); 379 req_conf=CONF_load(NULL,template,&errline); 380 if (req_conf == NULL) 381 { 382 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template); 383 goto end; 384 } 385 } 386 else 387 { 388 req_conf=config; 389 BIO_printf(bio_err,"Using configuration from %s\n", 390 default_config_file); 391 if (req_conf == NULL) 392 { 393 BIO_printf(bio_err,"Unable to load config info\n"); 394 } 395 } 396 397 if (req_conf != NULL) 398 { 399 p=CONF_get_string(req_conf,NULL,"oid_file"); 400 if (p != NULL) 401 { 402 BIO *oid_bio; 403 404 oid_bio=BIO_new_file(p,"r"); 405 if (oid_bio == NULL) 406 { 407 /* 408 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 409 ERR_print_errors(bio_err); 410 */ 411 } 412 else 413 { 414 OBJ_create_objects(oid_bio); 415 BIO_free(oid_bio); 416 } 417 } 418 } 419 if(!add_oid_section(req_conf)) goto end; 420 421 if ((md_alg == NULL) && 422 ((p=CONF_get_string(req_conf,SECTION,"default_md")) != NULL)) 423 { 424 if ((md_alg=EVP_get_digestbyname(p)) != NULL) 425 digest=md_alg; 426 } 427 428 extensions = CONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 429 if(extensions) { 430 /* Check syntax of file */ 431 X509V3_CTX ctx; 432 X509V3_set_ctx_test(&ctx); 433 X509V3_set_conf_lhash(&ctx, req_conf); 434 if(!X509V3_EXT_add_conf(req_conf, &ctx, extensions, NULL)) { 435 BIO_printf(bio_err, 436 "Error Loading extension section %s\n", extensions); 437 goto end; 438 } 439 } 440 441 in=BIO_new(BIO_s_file()); 442 out=BIO_new(BIO_s_file()); 443 if ((in == NULL) || (out == NULL)) 444 goto end; 445 446 if (keyfile != NULL) 447 { 448 if (BIO_read_filename(in,keyfile) <= 0) 449 { 450 perror(keyfile); 451 goto end; 452 } 453 454 /* if (keyform == FORMAT_ASN1) 455 rsa=d2i_RSAPrivateKey_bio(in,NULL); 456 else */ 457 if (keyform == FORMAT_PEM) 458 pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL); 459 else 460 { 461 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 462 goto end; 463 } 464 465 if (pkey == NULL) 466 { 467 BIO_printf(bio_err,"unable to load Private key\n"); 468 goto end; 469 } 470 } 471 472 if (newreq && (pkey == NULL)) 473 { 474 char *randfile; 475 char buffer[200]; 476 477 if ((randfile=CONF_get_string(req_conf,SECTION,"RANDFILE")) == NULL) 478 randfile=RAND_file_name(buffer,200); 479 #ifdef WINDOWS 480 BIO_printf(bio_err,"Loading 'screen' into random state -"); 481 BIO_flush(bio_err); 482 RAND_screen(); 483 BIO_printf(bio_err," done\n"); 484 #endif 485 if ((randfile == NULL) || !RAND_load_file(randfile,1024L*1024L)) 486 { 487 BIO_printf(bio_err,"unable to load 'random state'\n"); 488 BIO_printf(bio_err,"What this means is that the random number generator has not been seeded\n"); 489 BIO_printf(bio_err,"with much random data.\n"); 490 BIO_printf(bio_err,"Consider setting the RANDFILE environment variable to point at a file that\n"); 491 BIO_printf(bio_err,"'random' data can be kept in.\n"); 492 } 493 if (newkey <= 0) 494 { 495 newkey=(int)CONF_get_number(req_conf,SECTION,BITS); 496 if (newkey <= 0) 497 newkey=DEFAULT_KEY_LENGTH; 498 } 499 500 if (newkey < MIN_KEY_LENGTH) 501 { 502 BIO_printf(bio_err,"private key length is too short,\n"); 503 BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey); 504 goto end; 505 } 506 BIO_printf(bio_err,"Generating a %d bit %s private key\n", 507 newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA"); 508 509 if ((pkey=EVP_PKEY_new()) == NULL) goto end; 510 511 #ifndef NO_RSA 512 if (pkey_type == TYPE_RSA) 513 { 514 if (!EVP_PKEY_assign_RSA(pkey, 515 RSA_generate_key(newkey,0x10001, 516 req_cb,bio_err))) 517 goto end; 518 } 519 else 520 #endif 521 #ifndef NO_DSA 522 if (pkey_type == TYPE_DSA) 523 { 524 if (!DSA_generate_key(dsa_params)) goto end; 525 if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end; 526 dsa_params=NULL; 527 } 528 #endif 529 530 if ((randfile == NULL) || (RAND_write_file(randfile) == 0)) 531 BIO_printf(bio_err,"unable to write 'random state'\n"); 532 533 if (pkey == NULL) goto end; 534 535 if (keyout == NULL) 536 keyout=CONF_get_string(req_conf,SECTION,KEYFILE); 537 538 if (keyout == NULL) 539 { 540 BIO_printf(bio_err,"writing new private key to stdout\n"); 541 BIO_set_fp(out,stdout,BIO_NOCLOSE); 542 } 543 else 544 { 545 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout); 546 if (BIO_write_filename(out,keyout) <= 0) 547 { 548 perror(keyout); 549 goto end; 550 } 551 } 552 553 p=CONF_get_string(req_conf,SECTION,"encrypt_rsa_key"); 554 if (p == NULL) 555 p=CONF_get_string(req_conf,SECTION,"encrypt_key"); 556 if ((p != NULL) && (strcmp(p,"no") == 0)) 557 cipher=NULL; 558 if (nodes) cipher=NULL; 559 560 i=0; 561 loop: 562 if (!PEM_write_bio_PrivateKey(out,pkey,cipher, 563 NULL,0,NULL,NULL)) 564 { 565 if ((ERR_GET_REASON(ERR_peek_error()) == 566 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) 567 { 568 ERR_clear_error(); 569 i++; 570 goto loop; 571 } 572 goto end; 573 } 574 BIO_printf(bio_err,"-----\n"); 575 } 576 577 if (!newreq) 578 { 579 /* Since we are using a pre-existing certificate 580 * request, the kludge 'format' info should not be 581 * changed. */ 582 kludge= -1; 583 if (infile == NULL) 584 BIO_set_fp(in,stdin,BIO_NOCLOSE); 585 else 586 { 587 if (BIO_read_filename(in,infile) <= 0) 588 { 589 perror(infile); 590 goto end; 591 } 592 } 593 594 if (informat == FORMAT_ASN1) 595 req=d2i_X509_REQ_bio(in,NULL); 596 else if (informat == FORMAT_PEM) 597 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); 598 else 599 { 600 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 601 goto end; 602 } 603 if (req == NULL) 604 { 605 BIO_printf(bio_err,"unable to load X509 request\n"); 606 goto end; 607 } 608 } 609 610 if (newreq || x509) 611 { 612 #ifndef NO_DSA 613 if (pkey->type == EVP_PKEY_DSA) 614 digest=EVP_dss1(); 615 #endif 616 617 if (pkey == NULL) 618 { 619 BIO_printf(bio_err,"you need to specify a private key\n"); 620 goto end; 621 } 622 if (req == NULL) 623 { 624 req=X509_REQ_new(); 625 if (req == NULL) 626 { 627 goto end; 628 } 629 630 i=make_REQ(req,pkey,!x509); 631 if (kludge >= 0) 632 req->req_info->req_kludge=kludge; 633 if (!i) 634 { 635 BIO_printf(bio_err,"problems making Certificate Request\n"); 636 goto end; 637 } 638 } 639 if (x509) 640 { 641 EVP_PKEY *tmppkey; 642 X509V3_CTX ext_ctx; 643 if ((x509ss=X509_new()) == NULL) goto end; 644 645 /* Set version to V3 */ 646 if(!X509_set_version(x509ss, 2)) goto end; 647 ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L); 648 649 X509_set_issuer_name(x509ss, 650 X509_REQ_get_subject_name(req)); 651 X509_gmtime_adj(X509_get_notBefore(x509ss),0); 652 X509_gmtime_adj(X509_get_notAfter(x509ss), 653 (long)60*60*24*days); 654 X509_set_subject_name(x509ss, 655 X509_REQ_get_subject_name(req)); 656 tmppkey = X509_REQ_get_pubkey(req); 657 X509_set_pubkey(x509ss,tmppkey); 658 EVP_PKEY_free(tmppkey); 659 660 /* Set up V3 context struct */ 661 662 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 663 X509V3_set_conf_lhash(&ext_ctx, req_conf); 664 665 /* Add extensions */ 666 if(extensions && !X509V3_EXT_add_conf(req_conf, 667 &ext_ctx, extensions, x509ss)) 668 { 669 BIO_printf(bio_err, 670 "Error Loading extension section %s\n", 671 extensions); 672 goto end; 673 } 674 675 if (!(i=X509_sign(x509ss,pkey,digest))) 676 goto end; 677 } 678 else 679 { 680 if (!(i=X509_REQ_sign(req,pkey,digest))) 681 goto end; 682 } 683 } 684 685 if (verify && !x509) 686 { 687 int tmp=0; 688 689 if (pkey == NULL) 690 { 691 pkey=X509_REQ_get_pubkey(req); 692 tmp=1; 693 if (pkey == NULL) goto end; 694 } 695 696 i=X509_REQ_verify(req,pkey); 697 if (tmp) { 698 EVP_PKEY_free(pkey); 699 pkey=NULL; 700 } 701 702 if (i < 0) 703 { 704 goto end; 705 } 706 else if (i == 0) 707 { 708 BIO_printf(bio_err,"verify failure\n"); 709 } 710 else /* if (i > 0) */ 711 BIO_printf(bio_err,"verify OK\n"); 712 } 713 714 if (noout && !text && !modulus) 715 { 716 ex=0; 717 goto end; 718 } 719 720 if (outfile == NULL) 721 BIO_set_fp(out,stdout,BIO_NOCLOSE); 722 else 723 { 724 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0)) 725 i=(int)BIO_append_filename(out,outfile); 726 else 727 i=(int)BIO_write_filename(out,outfile); 728 if (!i) 729 { 730 perror(outfile); 731 goto end; 732 } 733 } 734 735 if (text) 736 { 737 if (x509) 738 X509_print(out,x509ss); 739 else 740 X509_REQ_print(out,req); 741 } 742 743 if (modulus) 744 { 745 EVP_PKEY *pubkey; 746 747 if (x509) 748 pubkey=X509_get_pubkey(x509ss); 749 else 750 pubkey=X509_REQ_get_pubkey(req); 751 if (pubkey == NULL) 752 { 753 fprintf(stdout,"Modulus=unavailable\n"); 754 goto end; 755 } 756 fprintf(stdout,"Modulus="); 757 #ifndef NO_RSA 758 if (pubkey->type == EVP_PKEY_RSA) 759 BN_print(out,pubkey->pkey.rsa->n); 760 else 761 #endif 762 fprintf(stdout,"Wrong Algorithm type"); 763 fprintf(stdout,"\n"); 764 } 765 766 if (!noout && !x509) 767 { 768 if (outformat == FORMAT_ASN1) 769 i=i2d_X509_REQ_bio(out,req); 770 else if (outformat == FORMAT_PEM) 771 i=PEM_write_bio_X509_REQ(out,req); 772 else { 773 BIO_printf(bio_err,"bad output format specified for outfile\n"); 774 goto end; 775 } 776 if (!i) 777 { 778 BIO_printf(bio_err,"unable to write X509 request\n"); 779 goto end; 780 } 781 } 782 if (!noout && x509 && (x509ss != NULL)) 783 { 784 if (outformat == FORMAT_ASN1) 785 i=i2d_X509_bio(out,x509ss); 786 else if (outformat == FORMAT_PEM) 787 i=PEM_write_bio_X509(out,x509ss); 788 else { 789 BIO_printf(bio_err,"bad output format specified for outfile\n"); 790 goto end; 791 } 792 if (!i) 793 { 794 BIO_printf(bio_err,"unable to write X509 certificate\n"); 795 goto end; 796 } 797 } 798 ex=0; 799 end: 800 if (ex) 801 { 802 ERR_print_errors(bio_err); 803 } 804 if ((req_conf != NULL) && (req_conf != config)) CONF_free(req_conf); 805 BIO_free(in); 806 BIO_free(out); 807 EVP_PKEY_free(pkey); 808 X509_REQ_free(req); 809 X509_free(x509ss); 810 X509V3_EXT_cleanup(); 811 OBJ_cleanup(); 812 #ifndef NO_DSA 813 if (dsa_params != NULL) DSA_free(dsa_params); 814 #endif 815 EXIT(ex); 816 } 817 818 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, int attribs) 819 { 820 int ret=0,i; 821 char *p,*q; 822 X509_REQ_INFO *ri; 823 char buf[100]; 824 int nid,min,max; 825 char *type,*def,*tmp,*value,*tmp_attr; 826 STACK_OF(CONF_VALUE) *sk, *attr=NULL; 827 CONF_VALUE *v; 828 829 tmp=CONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME); 830 if (tmp == NULL) 831 { 832 BIO_printf(bio_err,"unable to find '%s' in config\n", 833 DISTINGUISHED_NAME); 834 goto err; 835 } 836 sk=CONF_get_section(req_conf,tmp); 837 if (sk == NULL) 838 { 839 BIO_printf(bio_err,"unable to get '%s' section\n",tmp); 840 goto err; 841 } 842 843 tmp_attr=CONF_get_string(req_conf,SECTION,ATTRIBUTES); 844 if (tmp_attr == NULL) 845 attr=NULL; 846 else 847 { 848 attr=CONF_get_section(req_conf,tmp_attr); 849 if (attr == NULL) 850 { 851 BIO_printf(bio_err,"unable to get '%s' section\n",tmp_attr); 852 goto err; 853 } 854 } 855 856 ri=req->req_info; 857 858 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n"); 859 BIO_printf(bio_err,"into your certificate request.\n"); 860 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n"); 861 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n"); 862 BIO_printf(bio_err,"For some fields there will be a default value,\n"); 863 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n"); 864 BIO_printf(bio_err,"-----\n"); 865 866 /* setup version number */ 867 if (!ASN1_INTEGER_set(ri->version,0L)) goto err; /* version 1 */ 868 869 if (sk_CONF_VALUE_num(sk)) 870 { 871 i= -1; 872 start: for (;;) 873 { 874 i++; 875 if (sk_CONF_VALUE_num(sk) <= i) break; 876 877 v=sk_CONF_VALUE_value(sk,i); 878 p=q=NULL; 879 type=v->name; 880 if(!check_end(type,"_min") || !check_end(type,"_max") || 881 !check_end(type,"_default") || 882 !check_end(type,"_value")) continue; 883 /* Skip past any leading X. X: X, etc to allow for 884 * multiple instances 885 */ 886 for(p = v->name; *p ; p++) 887 if ((*p == ':') || (*p == ',') || 888 (*p == '.')) { 889 p++; 890 if(*p) type = p; 891 break; 892 } 893 /* If OBJ not recognised ignore it */ 894 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start; 895 sprintf(buf,"%s_default",v->name); 896 if ((def=CONF_get_string(req_conf,tmp,buf)) == NULL) 897 def=""; 898 899 sprintf(buf,"%s_value",v->name); 900 if ((value=CONF_get_string(req_conf,tmp,buf)) == NULL) 901 value=NULL; 902 903 sprintf(buf,"%s_min",v->name); 904 min=(int)CONF_get_number(req_conf,tmp,buf); 905 906 sprintf(buf,"%s_max",v->name); 907 max=(int)CONF_get_number(req_conf,tmp,buf); 908 909 if (!add_DN_object(ri->subject,v->value,def,value,nid, 910 min,max)) 911 goto err; 912 } 913 if (sk_X509_NAME_ENTRY_num(ri->subject->entries) == 0) 914 { 915 BIO_printf(bio_err,"error, no objects specified in config file\n"); 916 goto err; 917 } 918 919 if (attribs) 920 { 921 if ((attr != NULL) && (sk_CONF_VALUE_num(attr) > 0)) 922 { 923 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n"); 924 BIO_printf(bio_err,"to be sent with your certificate request\n"); 925 } 926 927 i= -1; 928 start2: for (;;) 929 { 930 i++; 931 if ((attr == NULL) || 932 (sk_CONF_VALUE_num(attr) <= i)) 933 break; 934 935 v=sk_CONF_VALUE_value(attr,i); 936 type=v->name; 937 if ((nid=OBJ_txt2nid(type)) == NID_undef) 938 goto start2; 939 940 sprintf(buf,"%s_default",type); 941 if ((def=CONF_get_string(req_conf,tmp_attr,buf)) 942 == NULL) 943 def=""; 944 945 sprintf(buf,"%s_value",type); 946 if ((value=CONF_get_string(req_conf,tmp_attr,buf)) 947 == NULL) 948 value=NULL; 949 950 sprintf(buf,"%s_min",type); 951 min=(int)CONF_get_number(req_conf,tmp_attr,buf); 952 953 sprintf(buf,"%s_max",type); 954 max=(int)CONF_get_number(req_conf,tmp_attr,buf); 955 956 if (!add_attribute_object(ri->attributes, 957 v->value,def,value,nid,min,max)) 958 goto err; 959 } 960 } 961 } 962 else 963 { 964 BIO_printf(bio_err,"No template, please set one up.\n"); 965 goto err; 966 } 967 968 X509_REQ_set_pubkey(req,pkey); 969 970 ret=1; 971 err: 972 return(ret); 973 } 974 975 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 976 int nid, int min, int max) 977 { 978 int i,j,ret=0; 979 X509_NAME_ENTRY *ne=NULL; 980 MS_STATIC char buf[1024]; 981 982 BIO_printf(bio_err,"%s [%s]:",text,def); 983 (void)BIO_flush(bio_err); 984 if (value != NULL) 985 { 986 strcpy(buf,value); 987 strcat(buf,"\n"); 988 BIO_printf(bio_err,"%s\n",value); 989 } 990 else 991 { 992 buf[0]='\0'; 993 fgets(buf,1024,stdin); 994 } 995 996 if (buf[0] == '\0') return(0); 997 else if (buf[0] == '\n') 998 { 999 if ((def == NULL) || (def[0] == '\0')) 1000 return(1); 1001 strcpy(buf,def); 1002 strcat(buf,"\n"); 1003 } 1004 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1005 1006 i=strlen(buf); 1007 if (buf[i-1] != '\n') 1008 { 1009 BIO_printf(bio_err,"weird input :-(\n"); 1010 return(0); 1011 } 1012 buf[--i]='\0'; 1013 1014 j=ASN1_PRINTABLE_type((unsigned char *)buf,-1); 1015 if (req_fix_data(nid,&j,i,min,max) == 0) 1016 goto err; 1017 #ifdef CHARSET_EBCDIC 1018 ebcdic2ascii(buf, buf, i); 1019 #endif 1020 if ((ne=X509_NAME_ENTRY_create_by_NID(NULL,nid,j,(unsigned char *)buf, 1021 strlen(buf))) 1022 == NULL) goto err; 1023 if (!X509_NAME_add_entry(n,ne,X509_NAME_entry_count(n),0)) 1024 goto err; 1025 1026 ret=1; 1027 err: 1028 if (ne != NULL) X509_NAME_ENTRY_free(ne); 1029 return(ret); 1030 } 1031 1032 static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text, 1033 char *def, char *value, int nid, int min, 1034 int max) 1035 { 1036 int i,z; 1037 X509_ATTRIBUTE *xa=NULL; 1038 static char buf[1024]; 1039 ASN1_BIT_STRING *bs=NULL; 1040 ASN1_TYPE *at=NULL; 1041 1042 start: 1043 BIO_printf(bio_err,"%s [%s]:",text,def); 1044 (void)BIO_flush(bio_err); 1045 if (value != NULL) 1046 { 1047 strcpy(buf,value); 1048 strcat(buf,"\n"); 1049 BIO_printf(bio_err,"%s\n",value); 1050 } 1051 else 1052 { 1053 buf[0]='\0'; 1054 fgets(buf,1024,stdin); 1055 } 1056 1057 if (buf[0] == '\0') return(0); 1058 else if (buf[0] == '\n') 1059 { 1060 if ((def == NULL) || (def[0] == '\0')) 1061 return(1); 1062 strcpy(buf,def); 1063 strcat(buf,"\n"); 1064 } 1065 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1066 1067 i=strlen(buf); 1068 if (buf[i-1] != '\n') 1069 { 1070 BIO_printf(bio_err,"weird input :-(\n"); 1071 return(0); 1072 } 1073 buf[--i]='\0'; 1074 1075 /* add object plus value */ 1076 if ((xa=X509_ATTRIBUTE_new()) == NULL) 1077 goto err; 1078 if ((xa->value.set=sk_ASN1_TYPE_new_null()) == NULL) 1079 goto err; 1080 xa->set=1; 1081 1082 if (xa->object != NULL) ASN1_OBJECT_free(xa->object); 1083 xa->object=OBJ_nid2obj(nid); 1084 1085 if ((bs=ASN1_BIT_STRING_new()) == NULL) goto err; 1086 1087 bs->type=ASN1_PRINTABLE_type((unsigned char *)buf,-1); 1088 1089 z=req_fix_data(nid,&bs->type,i,min,max); 1090 if (z == 0) 1091 { 1092 if (value == NULL) 1093 goto start; 1094 else goto err; 1095 } 1096 1097 if (!ASN1_STRING_set(bs,(unsigned char *)buf,i+1)) 1098 { BIO_printf(bio_err,"Malloc failure\n"); goto err; } 1099 1100 if ((at=ASN1_TYPE_new()) == NULL) 1101 { BIO_printf(bio_err,"Malloc failure\n"); goto err; } 1102 1103 ASN1_TYPE_set(at,bs->type,(char *)bs); 1104 sk_ASN1_TYPE_push(xa->value.set,at); 1105 bs=NULL; 1106 at=NULL; 1107 /* only one item per attribute */ 1108 1109 if (!sk_X509_ATTRIBUTE_push(n,xa)) goto err; 1110 return(1); 1111 err: 1112 if (xa != NULL) X509_ATTRIBUTE_free(xa); 1113 if (at != NULL) ASN1_TYPE_free(at); 1114 if (bs != NULL) ASN1_BIT_STRING_free(bs); 1115 return(0); 1116 } 1117 1118 static void MS_CALLBACK req_cb(int p, int n, void *arg) 1119 { 1120 char c='*'; 1121 1122 if (p == 0) c='.'; 1123 if (p == 1) c='+'; 1124 if (p == 2) c='*'; 1125 if (p == 3) c='\n'; 1126 BIO_write((BIO *)arg,&c,1); 1127 (void)BIO_flush((BIO *)arg); 1128 #ifdef LINT 1129 p=n; 1130 #endif 1131 } 1132 1133 static int req_fix_data(int nid, int *type, int len, int min, int max) 1134 { 1135 if (nid == NID_pkcs9_emailAddress) 1136 *type=V_ASN1_IA5STRING; 1137 if ((nid == NID_commonName) && (*type == V_ASN1_IA5STRING)) 1138 *type=V_ASN1_T61STRING; 1139 if ((nid == NID_pkcs9_challengePassword) && 1140 (*type == V_ASN1_IA5STRING)) 1141 *type=V_ASN1_T61STRING; 1142 1143 if ((nid == NID_pkcs9_unstructuredName) && 1144 (*type == V_ASN1_T61STRING)) 1145 { 1146 BIO_printf(bio_err,"invalid characters in string, please re-enter the string\n"); 1147 return(0); 1148 } 1149 if (nid == NID_pkcs9_unstructuredName) 1150 *type=V_ASN1_IA5STRING; 1151 1152 if (len < min) 1153 { 1154 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",min); 1155 return(0); 1156 } 1157 if ((max != 0) && (len > max)) 1158 { 1159 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",max); 1160 return(0); 1161 } 1162 return(1); 1163 } 1164 1165 /* Check if the end of a string matches 'end' */ 1166 static int check_end(char *str, char *end) 1167 { 1168 int elen, slen; 1169 char *tmp; 1170 elen = strlen(end); 1171 slen = strlen(str); 1172 if(elen > slen) return 1; 1173 tmp = str + slen - elen; 1174 return strcmp(tmp, end); 1175 } 1176 1177 static int add_oid_section(LHASH *conf) 1178 { 1179 char *p; 1180 STACK_OF(CONF_VALUE) *sktmp; 1181 CONF_VALUE *cnf; 1182 int i; 1183 if(!(p=CONF_get_string(conf,NULL,"oid_section"))) return 1; 1184 if(!(sktmp = CONF_get_section(conf, p))) { 1185 BIO_printf(bio_err, "problem loading oid section %s\n", p); 1186 return 0; 1187 } 1188 for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 1189 cnf = sk_CONF_VALUE_value(sktmp, i); 1190 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 1191 BIO_printf(bio_err, "problem creating object %s=%s\n", 1192 cnf->name, cnf->value); 1193 return 0; 1194 } 1195 } 1196 return 1; 1197 } 1198