1 /* apps/req.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 /* Until the key-gen callbacks are modified to use newer prototypes, we allow 60 * deprecated functions for openssl-internal code */ 61 #ifdef OPENSSL_NO_DEPRECATED 62 #undef OPENSSL_NO_DEPRECATED 63 #endif 64 65 #include <stdio.h> 66 #include <stdlib.h> 67 #include <time.h> 68 #include <string.h> 69 #ifdef OPENSSL_NO_STDIO 70 #define APPS_WIN16 71 #endif 72 #include "apps.h" 73 #include <openssl/bio.h> 74 #include <openssl/evp.h> 75 #include <openssl/conf.h> 76 #include <openssl/err.h> 77 #include <openssl/asn1.h> 78 #include <openssl/x509.h> 79 #include <openssl/x509v3.h> 80 #include <openssl/objects.h> 81 #include <openssl/pem.h> 82 #include <openssl/bn.h> 83 #ifndef OPENSSL_NO_RSA 84 #include <openssl/rsa.h> 85 #endif 86 #ifndef OPENSSL_NO_DSA 87 #include <openssl/dsa.h> 88 #endif 89 90 #define SECTION "req" 91 92 #define BITS "default_bits" 93 #define KEYFILE "default_keyfile" 94 #define PROMPT "prompt" 95 #define DISTINGUISHED_NAME "distinguished_name" 96 #define ATTRIBUTES "attributes" 97 #define V3_EXTENSIONS "x509_extensions" 98 #define REQ_EXTENSIONS "req_extensions" 99 #define STRING_MASK "string_mask" 100 #define UTF8_IN "utf8" 101 102 #define DEFAULT_KEY_LENGTH 512 103 #define MIN_KEY_LENGTH 384 104 105 #undef PROG 106 #define PROG req_main 107 108 /* -inform arg - input format - default PEM (DER or PEM) 109 * -outform arg - output format - default PEM 110 * -in arg - input file - default stdin 111 * -out arg - output file - default stdout 112 * -verify - check request signature 113 * -noout - don't print stuff out. 114 * -text - print out human readable text. 115 * -nodes - no des encryption 116 * -config file - Load configuration file. 117 * -key file - make a request using key in file (or use it for verification). 118 * -keyform arg - key file format. 119 * -rand file(s) - load the file(s) into the PRNG. 120 * -newkey - make a key and a request. 121 * -modulus - print RSA modulus. 122 * -pubkey - output Public Key. 123 * -x509 - output a self signed X509 structure instead. 124 * -asn1-kludge - output new certificate request in a format that some CA's 125 * require. This format is wrong 126 */ 127 128 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int mutlirdn, 129 int attribs,unsigned long chtype); 130 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype, 131 int multirdn); 132 static int prompt_info(X509_REQ *req, 133 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 134 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs, 135 unsigned long chtype); 136 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk, 137 STACK_OF(CONF_VALUE) *attr, int attribs, 138 unsigned long chtype); 139 static int add_attribute_object(X509_REQ *req, char *text, const char *def, 140 char *value, int nid, int n_min, 141 int n_max, unsigned long chtype); 142 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value, 143 int nid,int n_min,int n_max, unsigned long chtype, int mval); 144 static int genpkey_cb(EVP_PKEY_CTX *ctx); 145 static int req_check_len(int len,int n_min,int n_max); 146 static int check_end(const char *str, const char *end); 147 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type, 148 long *pkeylen, char **palgnam, 149 ENGINE *keygen_engine); 150 #ifndef MONOLITH 151 static char *default_config_file=NULL; 152 #endif 153 static CONF *req_conf=NULL; 154 static int batch=0; 155 156 int MAIN(int, char **); 157 158 int MAIN(int argc, char **argv) 159 { 160 ENGINE *e = NULL, *gen_eng = NULL; 161 unsigned long nmflag = 0, reqflag = 0; 162 int ex=1,x509=0,days=30; 163 X509 *x509ss=NULL; 164 X509_REQ *req=NULL; 165 EVP_PKEY_CTX *genctx = NULL; 166 const char *keyalg = NULL; 167 char *keyalgstr = NULL; 168 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; 169 EVP_PKEY *pkey=NULL; 170 int i=0,badops=0,newreq=0,verbose=0,pkey_type=-1; 171 long newkey = -1; 172 BIO *in=NULL,*out=NULL; 173 int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM; 174 int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0; 175 char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL; 176 #ifndef OPENSSL_NO_ENGINE 177 char *engine=NULL; 178 #endif 179 char *extensions = NULL; 180 char *req_exts = NULL; 181 const EVP_CIPHER *cipher=NULL; 182 ASN1_INTEGER *serial = NULL; 183 int modulus=0; 184 char *inrand=NULL; 185 char *passargin = NULL, *passargout = NULL; 186 char *passin = NULL, *passout = NULL; 187 char *p; 188 char *subj = NULL; 189 int multirdn = 0; 190 const EVP_MD *md_alg=NULL,*digest=NULL; 191 unsigned long chtype = MBSTRING_ASC; 192 #ifndef MONOLITH 193 char *to_free; 194 long errline; 195 #endif 196 197 req_conf = NULL; 198 #ifndef OPENSSL_NO_DES 199 cipher=EVP_des_ede3_cbc(); 200 #endif 201 apps_startup(); 202 203 if (bio_err == NULL) 204 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 205 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 206 207 infile=NULL; 208 outfile=NULL; 209 informat=FORMAT_PEM; 210 outformat=FORMAT_PEM; 211 212 prog=argv[0]; 213 argc--; 214 argv++; 215 while (argc >= 1) 216 { 217 if (strcmp(*argv,"-inform") == 0) 218 { 219 if (--argc < 1) goto bad; 220 informat=str2fmt(*(++argv)); 221 } 222 else if (strcmp(*argv,"-outform") == 0) 223 { 224 if (--argc < 1) goto bad; 225 outformat=str2fmt(*(++argv)); 226 } 227 #ifndef OPENSSL_NO_ENGINE 228 else if (strcmp(*argv,"-engine") == 0) 229 { 230 if (--argc < 1) goto bad; 231 engine= *(++argv); 232 } 233 else if (strcmp(*argv,"-keygen_engine") == 0) 234 { 235 if (--argc < 1) goto bad; 236 gen_eng = ENGINE_by_id(*(++argv)); 237 if (gen_eng == NULL) 238 { 239 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv); 240 goto end; 241 } 242 } 243 #endif 244 else if (strcmp(*argv,"-key") == 0) 245 { 246 if (--argc < 1) goto bad; 247 keyfile= *(++argv); 248 } 249 else if (strcmp(*argv,"-pubkey") == 0) 250 { 251 pubkey=1; 252 } 253 else if (strcmp(*argv,"-new") == 0) 254 { 255 newreq=1; 256 } 257 else if (strcmp(*argv,"-config") == 0) 258 { 259 if (--argc < 1) goto bad; 260 template= *(++argv); 261 } 262 else if (strcmp(*argv,"-keyform") == 0) 263 { 264 if (--argc < 1) goto bad; 265 keyform=str2fmt(*(++argv)); 266 } 267 else if (strcmp(*argv,"-in") == 0) 268 { 269 if (--argc < 1) goto bad; 270 infile= *(++argv); 271 } 272 else if (strcmp(*argv,"-out") == 0) 273 { 274 if (--argc < 1) goto bad; 275 outfile= *(++argv); 276 } 277 else if (strcmp(*argv,"-keyout") == 0) 278 { 279 if (--argc < 1) goto bad; 280 keyout= *(++argv); 281 } 282 else if (strcmp(*argv,"-passin") == 0) 283 { 284 if (--argc < 1) goto bad; 285 passargin= *(++argv); 286 } 287 else if (strcmp(*argv,"-passout") == 0) 288 { 289 if (--argc < 1) goto bad; 290 passargout= *(++argv); 291 } 292 else if (strcmp(*argv,"-rand") == 0) 293 { 294 if (--argc < 1) goto bad; 295 inrand= *(++argv); 296 } 297 else if (strcmp(*argv,"-newkey") == 0) 298 { 299 if (--argc < 1) 300 goto bad; 301 keyalg = *(++argv); 302 newreq=1; 303 } 304 else if (strcmp(*argv,"-pkeyopt") == 0) 305 { 306 if (--argc < 1) 307 goto bad; 308 if (!pkeyopts) 309 pkeyopts = sk_OPENSSL_STRING_new_null(); 310 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, *(++argv))) 311 goto bad; 312 } 313 else if (strcmp(*argv,"-batch") == 0) 314 batch=1; 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,"-verbose") == 0) 326 verbose=1; 327 else if (strcmp(*argv,"-utf8") == 0) 328 chtype = MBSTRING_UTF8; 329 else if (strcmp(*argv,"-nameopt") == 0) 330 { 331 if (--argc < 1) goto bad; 332 if (!set_name_ex(&nmflag, *(++argv))) goto bad; 333 } 334 else if (strcmp(*argv,"-reqopt") == 0) 335 { 336 if (--argc < 1) goto bad; 337 if (!set_cert_ex(&reqflag, *(++argv))) goto bad; 338 } 339 else if (strcmp(*argv,"-subject") == 0) 340 subject=1; 341 else if (strcmp(*argv,"-text") == 0) 342 text=1; 343 else if (strcmp(*argv,"-x509") == 0) 344 x509=1; 345 else if (strcmp(*argv,"-asn1-kludge") == 0) 346 kludge=1; 347 else if (strcmp(*argv,"-no-asn1-kludge") == 0) 348 kludge=0; 349 else if (strcmp(*argv,"-subj") == 0) 350 { 351 if (--argc < 1) goto bad; 352 subj= *(++argv); 353 } 354 else if (strcmp(*argv,"-multivalue-rdn") == 0) 355 multirdn=1; 356 else if (strcmp(*argv,"-days") == 0) 357 { 358 if (--argc < 1) goto bad; 359 days= atoi(*(++argv)); 360 if (days == 0) days=30; 361 } 362 else if (strcmp(*argv,"-set_serial") == 0) 363 { 364 if (--argc < 1) goto bad; 365 serial = s2i_ASN1_INTEGER(NULL, *(++argv)); 366 if (!serial) goto bad; 367 } 368 else if (strcmp(*argv,"-extensions") == 0) 369 { 370 if (--argc < 1) goto bad; 371 extensions = *(++argv); 372 } 373 else if (strcmp(*argv,"-reqexts") == 0) 374 { 375 if (--argc < 1) goto bad; 376 req_exts = *(++argv); 377 } 378 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 379 { 380 /* ok */ 381 digest=md_alg; 382 } 383 else 384 { 385 BIO_printf(bio_err,"unknown option %s\n",*argv); 386 badops=1; 387 break; 388 } 389 argc--; 390 argv++; 391 } 392 393 if (badops) 394 { 395 bad: 396 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 397 BIO_printf(bio_err,"where options are\n"); 398 BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); 399 BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); 400 BIO_printf(bio_err," -in arg input file\n"); 401 BIO_printf(bio_err," -out arg output file\n"); 402 BIO_printf(bio_err," -text text form of request\n"); 403 BIO_printf(bio_err," -pubkey output public key\n"); 404 BIO_printf(bio_err," -noout do not output REQ\n"); 405 BIO_printf(bio_err," -verify verify signature on REQ\n"); 406 BIO_printf(bio_err," -modulus RSA modulus\n"); 407 BIO_printf(bio_err," -nodes don't encrypt the output key\n"); 408 #ifndef OPENSSL_NO_ENGINE 409 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device\n"); 410 #endif 411 BIO_printf(bio_err," -subject output the request's subject\n"); 412 BIO_printf(bio_err," -passin private key password source\n"); 413 BIO_printf(bio_err," -key file use the private key contained in file\n"); 414 BIO_printf(bio_err," -keyform arg key file format\n"); 415 BIO_printf(bio_err," -keyout arg file to send the key to\n"); 416 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 417 BIO_printf(bio_err," load the file (or the files in the directory) into\n"); 418 BIO_printf(bio_err," the random number generator\n"); 419 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 420 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 421 #ifndef OPENSSL_NO_ECDSA 422 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n"); 423 #endif 424 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n"); 425 BIO_printf(bio_err," -config file request template file.\n"); 426 BIO_printf(bio_err," -subj arg set or modify request subject\n"); 427 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n"); 428 BIO_printf(bio_err," -new new request.\n"); 429 BIO_printf(bio_err," -batch do not ask anything during request generation\n"); 430 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n"); 431 BIO_printf(bio_err," -days number of days a certificate generated by -x509 is valid for.\n"); 432 BIO_printf(bio_err," -set_serial serial number to use for a certificate generated by -x509.\n"); 433 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n"); 434 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 435 BIO_printf(bio_err," have been reported as requiring\n"); 436 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n"); 437 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n"); 438 BIO_printf(bio_err," -utf8 input characters are UTF8 (default ASCII)\n"); 439 BIO_printf(bio_err," -nameopt arg - various certificate name options\n"); 440 BIO_printf(bio_err," -reqopt arg - various request text options\n\n"); 441 goto end; 442 } 443 444 ERR_load_crypto_strings(); 445 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 446 BIO_printf(bio_err, "Error getting passwords\n"); 447 goto end; 448 } 449 450 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */ 451 /* Lets load up our environment a little */ 452 p=getenv("OPENSSL_CONF"); 453 if (p == NULL) 454 p=getenv("SSLEAY_CONF"); 455 if (p == NULL) 456 p=to_free=make_config_name(); 457 default_config_file=p; 458 config=NCONF_new(NULL); 459 i=NCONF_load(config, p, &errline); 460 #endif 461 462 if (template != NULL) 463 { 464 long errline = -1; 465 466 if( verbose ) 467 BIO_printf(bio_err,"Using configuration from %s\n",template); 468 req_conf=NCONF_new(NULL); 469 i=NCONF_load(req_conf,template,&errline); 470 if (i == 0) 471 { 472 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template); 473 goto end; 474 } 475 } 476 else 477 { 478 req_conf=config; 479 480 if (req_conf == NULL) 481 { 482 BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file); 483 if (newreq) 484 goto end; 485 } 486 else if( verbose ) 487 BIO_printf(bio_err,"Using configuration from %s\n", 488 default_config_file); 489 } 490 491 if (req_conf != NULL) 492 { 493 if (!load_config(bio_err, req_conf)) 494 goto end; 495 p=NCONF_get_string(req_conf,NULL,"oid_file"); 496 if (p == NULL) 497 ERR_clear_error(); 498 if (p != NULL) 499 { 500 BIO *oid_bio; 501 502 oid_bio=BIO_new_file(p,"r"); 503 if (oid_bio == NULL) 504 { 505 /* 506 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 507 ERR_print_errors(bio_err); 508 */ 509 } 510 else 511 { 512 OBJ_create_objects(oid_bio); 513 BIO_free(oid_bio); 514 } 515 } 516 } 517 if(!add_oid_section(bio_err, req_conf)) goto end; 518 519 if (md_alg == NULL) 520 { 521 p=NCONF_get_string(req_conf,SECTION,"default_md"); 522 if (p == NULL) 523 ERR_clear_error(); 524 if (p != NULL) 525 { 526 if ((md_alg=EVP_get_digestbyname(p)) != NULL) 527 digest=md_alg; 528 } 529 } 530 531 if (!extensions) 532 { 533 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 534 if (!extensions) 535 ERR_clear_error(); 536 } 537 if (extensions) { 538 /* Check syntax of file */ 539 X509V3_CTX ctx; 540 X509V3_set_ctx_test(&ctx); 541 X509V3_set_nconf(&ctx, req_conf); 542 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) { 543 BIO_printf(bio_err, 544 "Error Loading extension section %s\n", extensions); 545 goto end; 546 } 547 } 548 549 if(!passin) 550 { 551 passin = NCONF_get_string(req_conf, SECTION, "input_password"); 552 if (!passin) 553 ERR_clear_error(); 554 } 555 556 if(!passout) 557 { 558 passout = NCONF_get_string(req_conf, SECTION, "output_password"); 559 if (!passout) 560 ERR_clear_error(); 561 } 562 563 p = NCONF_get_string(req_conf, SECTION, STRING_MASK); 564 if (!p) 565 ERR_clear_error(); 566 567 if(p && !ASN1_STRING_set_default_mask_asc(p)) { 568 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); 569 goto end; 570 } 571 572 if (chtype != MBSTRING_UTF8) 573 { 574 p = NCONF_get_string(req_conf, SECTION, UTF8_IN); 575 if (!p) 576 ERR_clear_error(); 577 else if (!strcmp(p, "yes")) 578 chtype = MBSTRING_UTF8; 579 } 580 581 582 if(!req_exts) 583 { 584 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); 585 if (!req_exts) 586 ERR_clear_error(); 587 } 588 if(req_exts) { 589 /* Check syntax of file */ 590 X509V3_CTX ctx; 591 X509V3_set_ctx_test(&ctx); 592 X509V3_set_nconf(&ctx, req_conf); 593 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) { 594 BIO_printf(bio_err, 595 "Error Loading request extension section %s\n", 596 req_exts); 597 goto end; 598 } 599 } 600 601 in=BIO_new(BIO_s_file()); 602 out=BIO_new(BIO_s_file()); 603 if ((in == NULL) || (out == NULL)) 604 goto end; 605 606 #ifndef OPENSSL_NO_ENGINE 607 e = setup_engine(bio_err, engine, 0); 608 #endif 609 610 if (keyfile != NULL) 611 { 612 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e, 613 "Private Key"); 614 if (!pkey) 615 { 616 /* load_key() has already printed an appropriate 617 message */ 618 goto end; 619 } 620 else 621 { 622 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE"); 623 if (randfile == NULL) 624 ERR_clear_error(); 625 app_RAND_load_file(randfile, bio_err, 0); 626 } 627 } 628 629 if (newreq && (pkey == NULL)) 630 { 631 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE"); 632 if (randfile == NULL) 633 ERR_clear_error(); 634 app_RAND_load_file(randfile, bio_err, 0); 635 if (inrand) 636 app_RAND_load_files(inrand); 637 638 if (keyalg) 639 { 640 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey, 641 &keyalgstr, gen_eng); 642 if (!genctx) 643 goto end; 644 } 645 646 if (newkey <= 0) 647 { 648 if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey)) 649 newkey=DEFAULT_KEY_LENGTH; 650 } 651 652 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) 653 { 654 BIO_printf(bio_err,"private key length is too short,\n"); 655 BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey); 656 goto end; 657 } 658 659 if (!genctx) 660 { 661 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey, 662 &keyalgstr, gen_eng); 663 if (!genctx) 664 goto end; 665 } 666 667 if (pkeyopts) 668 { 669 char *genopt; 670 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) 671 { 672 genopt = sk_OPENSSL_STRING_value(pkeyopts, i); 673 if (pkey_ctrl_string(genctx, genopt) <= 0) 674 { 675 BIO_printf(bio_err, 676 "parameter error \"%s\"\n", 677 genopt); 678 ERR_print_errors(bio_err); 679 goto end; 680 } 681 } 682 } 683 684 BIO_printf(bio_err,"Generating a %ld bit %s private key\n", 685 newkey, keyalgstr); 686 687 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb); 688 EVP_PKEY_CTX_set_app_data(genctx, bio_err); 689 690 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) 691 { 692 BIO_puts(bio_err, "Error Generating Key\n"); 693 goto end; 694 } 695 696 EVP_PKEY_CTX_free(genctx); 697 genctx = NULL; 698 699 app_RAND_write_file(randfile, bio_err); 700 701 if (keyout == NULL) 702 { 703 keyout=NCONF_get_string(req_conf,SECTION,KEYFILE); 704 if (keyout == NULL) 705 ERR_clear_error(); 706 } 707 708 if (keyout == NULL) 709 { 710 BIO_printf(bio_err,"writing new private key to stdout\n"); 711 BIO_set_fp(out,stdout,BIO_NOCLOSE); 712 #ifdef OPENSSL_SYS_VMS 713 { 714 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 715 out = BIO_push(tmpbio, out); 716 } 717 #endif 718 } 719 else 720 { 721 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout); 722 if (BIO_write_filename(out,keyout) <= 0) 723 { 724 perror(keyout); 725 goto end; 726 } 727 } 728 729 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key"); 730 if (p == NULL) 731 { 732 ERR_clear_error(); 733 p=NCONF_get_string(req_conf,SECTION,"encrypt_key"); 734 if (p == NULL) 735 ERR_clear_error(); 736 } 737 if ((p != NULL) && (strcmp(p,"no") == 0)) 738 cipher=NULL; 739 if (nodes) cipher=NULL; 740 741 i=0; 742 loop: 743 if (!PEM_write_bio_PrivateKey(out,pkey,cipher, 744 NULL,0,NULL,passout)) 745 { 746 if ((ERR_GET_REASON(ERR_peek_error()) == 747 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) 748 { 749 ERR_clear_error(); 750 i++; 751 goto loop; 752 } 753 goto end; 754 } 755 BIO_printf(bio_err,"-----\n"); 756 } 757 758 if (!newreq) 759 { 760 /* Since we are using a pre-existing certificate 761 * request, the kludge 'format' info should not be 762 * changed. */ 763 kludge= -1; 764 if (infile == NULL) 765 BIO_set_fp(in,stdin,BIO_NOCLOSE); 766 else 767 { 768 if (BIO_read_filename(in,infile) <= 0) 769 { 770 perror(infile); 771 goto end; 772 } 773 } 774 775 if (informat == FORMAT_ASN1) 776 req=d2i_X509_REQ_bio(in,NULL); 777 else if (informat == FORMAT_PEM) 778 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); 779 else 780 { 781 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 782 goto end; 783 } 784 if (req == NULL) 785 { 786 BIO_printf(bio_err,"unable to load X509 request\n"); 787 goto end; 788 } 789 } 790 791 if (newreq || x509) 792 { 793 if (pkey == NULL) 794 { 795 BIO_printf(bio_err,"you need to specify a private key\n"); 796 goto end; 797 } 798 799 if (req == NULL) 800 { 801 req=X509_REQ_new(); 802 if (req == NULL) 803 { 804 goto end; 805 } 806 807 i=make_REQ(req,pkey,subj,multirdn,!x509, chtype); 808 subj=NULL; /* done processing '-subj' option */ 809 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) 810 { 811 sk_X509_ATTRIBUTE_free(req->req_info->attributes); 812 req->req_info->attributes = NULL; 813 } 814 if (!i) 815 { 816 BIO_printf(bio_err,"problems making Certificate Request\n"); 817 goto end; 818 } 819 } 820 if (x509) 821 { 822 EVP_PKEY *tmppkey; 823 X509V3_CTX ext_ctx; 824 if ((x509ss=X509_new()) == NULL) goto end; 825 826 /* Set version to V3 */ 827 if(extensions && !X509_set_version(x509ss, 2)) goto end; 828 if (serial) 829 { 830 if (!X509_set_serialNumber(x509ss, serial)) goto end; 831 } 832 else 833 { 834 if (!rand_serial(NULL, 835 X509_get_serialNumber(x509ss))) 836 goto end; 837 } 838 839 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 840 if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end; 841 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end; 842 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 843 tmppkey = X509_REQ_get_pubkey(req); 844 if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end; 845 EVP_PKEY_free(tmppkey); 846 847 /* Set up V3 context struct */ 848 849 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 850 X509V3_set_nconf(&ext_ctx, req_conf); 851 852 /* Add extensions */ 853 if(extensions && !X509V3_EXT_add_nconf(req_conf, 854 &ext_ctx, extensions, x509ss)) 855 { 856 BIO_printf(bio_err, 857 "Error Loading extension section %s\n", 858 extensions); 859 goto end; 860 } 861 862 if (!(i=X509_sign(x509ss,pkey,digest))) 863 { 864 ERR_print_errors(bio_err); 865 goto end; 866 } 867 } 868 else 869 { 870 X509V3_CTX ext_ctx; 871 872 /* Set up V3 context struct */ 873 874 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 875 X509V3_set_nconf(&ext_ctx, req_conf); 876 877 /* Add extensions */ 878 if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 879 &ext_ctx, req_exts, req)) 880 { 881 BIO_printf(bio_err, 882 "Error Loading extension section %s\n", 883 req_exts); 884 goto end; 885 } 886 if (!(i=X509_REQ_sign(req,pkey,digest))) 887 { 888 ERR_print_errors(bio_err); 889 goto end; 890 } 891 } 892 } 893 894 if (subj && x509) 895 { 896 BIO_printf(bio_err, "Cannot modifiy certificate subject\n"); 897 goto end; 898 } 899 900 if (subj && !x509) 901 { 902 if (verbose) 903 { 904 BIO_printf(bio_err, "Modifying Request's Subject\n"); 905 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag); 906 } 907 908 if (build_subject(req, subj, chtype, multirdn) == 0) 909 { 910 BIO_printf(bio_err, "ERROR: cannot modify subject\n"); 911 ex=1; 912 goto end; 913 } 914 915 req->req_info->enc.modified = 1; 916 917 if (verbose) 918 { 919 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag); 920 } 921 } 922 923 if (verify && !x509) 924 { 925 int tmp=0; 926 927 if (pkey == NULL) 928 { 929 pkey=X509_REQ_get_pubkey(req); 930 tmp=1; 931 if (pkey == NULL) goto end; 932 } 933 934 i=X509_REQ_verify(req,pkey); 935 if (tmp) { 936 EVP_PKEY_free(pkey); 937 pkey=NULL; 938 } 939 940 if (i < 0) 941 { 942 goto end; 943 } 944 else if (i == 0) 945 { 946 BIO_printf(bio_err,"verify failure\n"); 947 ERR_print_errors(bio_err); 948 } 949 else /* if (i > 0) */ 950 BIO_printf(bio_err,"verify OK\n"); 951 } 952 953 if (noout && !text && !modulus && !subject && !pubkey) 954 { 955 ex=0; 956 goto end; 957 } 958 959 if (outfile == NULL) 960 { 961 BIO_set_fp(out,stdout,BIO_NOCLOSE); 962 #ifdef OPENSSL_SYS_VMS 963 { 964 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 965 out = BIO_push(tmpbio, out); 966 } 967 #endif 968 } 969 else 970 { 971 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0)) 972 i=(int)BIO_append_filename(out,outfile); 973 else 974 i=(int)BIO_write_filename(out,outfile); 975 if (!i) 976 { 977 perror(outfile); 978 goto end; 979 } 980 } 981 982 if (pubkey) 983 { 984 EVP_PKEY *tpubkey; 985 tpubkey=X509_REQ_get_pubkey(req); 986 if (tpubkey == NULL) 987 { 988 BIO_printf(bio_err,"Error getting public key\n"); 989 ERR_print_errors(bio_err); 990 goto end; 991 } 992 PEM_write_bio_PUBKEY(out, tpubkey); 993 EVP_PKEY_free(tpubkey); 994 } 995 996 if (text) 997 { 998 if (x509) 999 X509_print_ex(out, x509ss, nmflag, reqflag); 1000 else 1001 X509_REQ_print_ex(out, req, nmflag, reqflag); 1002 } 1003 1004 if(subject) 1005 { 1006 if(x509) 1007 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag); 1008 else 1009 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag); 1010 } 1011 1012 if (modulus) 1013 { 1014 EVP_PKEY *tpubkey; 1015 1016 if (x509) 1017 tpubkey=X509_get_pubkey(x509ss); 1018 else 1019 tpubkey=X509_REQ_get_pubkey(req); 1020 if (tpubkey == NULL) 1021 { 1022 fprintf(stdout,"Modulus=unavailable\n"); 1023 goto end; 1024 } 1025 fprintf(stdout,"Modulus="); 1026 #ifndef OPENSSL_NO_RSA 1027 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) 1028 BN_print(out,tpubkey->pkey.rsa->n); 1029 else 1030 #endif 1031 fprintf(stdout,"Wrong Algorithm type"); 1032 EVP_PKEY_free(tpubkey); 1033 fprintf(stdout,"\n"); 1034 } 1035 1036 if (!noout && !x509) 1037 { 1038 if (outformat == FORMAT_ASN1) 1039 i=i2d_X509_REQ_bio(out,req); 1040 else if (outformat == FORMAT_PEM) { 1041 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req); 1042 else i=PEM_write_bio_X509_REQ(out,req); 1043 } else { 1044 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1045 goto end; 1046 } 1047 if (!i) 1048 { 1049 BIO_printf(bio_err,"unable to write X509 request\n"); 1050 goto end; 1051 } 1052 } 1053 if (!noout && x509 && (x509ss != NULL)) 1054 { 1055 if (outformat == FORMAT_ASN1) 1056 i=i2d_X509_bio(out,x509ss); 1057 else if (outformat == FORMAT_PEM) 1058 i=PEM_write_bio_X509(out,x509ss); 1059 else { 1060 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1061 goto end; 1062 } 1063 if (!i) 1064 { 1065 BIO_printf(bio_err,"unable to write X509 certificate\n"); 1066 goto end; 1067 } 1068 } 1069 ex=0; 1070 end: 1071 #ifndef MONOLITH 1072 if(to_free) 1073 OPENSSL_free(to_free); 1074 #endif 1075 if (ex) 1076 { 1077 ERR_print_errors(bio_err); 1078 } 1079 if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf); 1080 BIO_free(in); 1081 BIO_free_all(out); 1082 EVP_PKEY_free(pkey); 1083 if (genctx) 1084 EVP_PKEY_CTX_free(genctx); 1085 if (pkeyopts) 1086 sk_OPENSSL_STRING_free(pkeyopts); 1087 #ifndef OPENSSL_NO_ENGINE 1088 if (gen_eng) 1089 ENGINE_free(gen_eng); 1090 #endif 1091 if (keyalgstr) 1092 OPENSSL_free(keyalgstr); 1093 X509_REQ_free(req); 1094 X509_free(x509ss); 1095 ASN1_INTEGER_free(serial); 1096 if(passargin && passin) OPENSSL_free(passin); 1097 if(passargout && passout) OPENSSL_free(passout); 1098 OBJ_cleanup(); 1099 apps_shutdown(); 1100 OPENSSL_EXIT(ex); 1101 } 1102 1103 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn, 1104 int attribs, unsigned long chtype) 1105 { 1106 int ret=0,i; 1107 char no_prompt = 0; 1108 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; 1109 char *tmp, *dn_sect,*attr_sect; 1110 1111 tmp=NCONF_get_string(req_conf,SECTION,PROMPT); 1112 if (tmp == NULL) 1113 ERR_clear_error(); 1114 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1; 1115 1116 dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME); 1117 if (dn_sect == NULL) 1118 { 1119 BIO_printf(bio_err,"unable to find '%s' in config\n", 1120 DISTINGUISHED_NAME); 1121 goto err; 1122 } 1123 dn_sk=NCONF_get_section(req_conf,dn_sect); 1124 if (dn_sk == NULL) 1125 { 1126 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect); 1127 goto err; 1128 } 1129 1130 attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES); 1131 if (attr_sect == NULL) 1132 { 1133 ERR_clear_error(); 1134 attr_sk=NULL; 1135 } 1136 else 1137 { 1138 attr_sk=NCONF_get_section(req_conf,attr_sect); 1139 if (attr_sk == NULL) 1140 { 1141 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect); 1142 goto err; 1143 } 1144 } 1145 1146 /* setup version number */ 1147 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */ 1148 1149 if (no_prompt) 1150 i = auto_info(req, dn_sk, attr_sk, attribs, chtype); 1151 else 1152 { 1153 if (subj) 1154 i = build_subject(req, subj, chtype, multirdn); 1155 else 1156 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype); 1157 } 1158 if(!i) goto err; 1159 1160 if (!X509_REQ_set_pubkey(req,pkey)) goto err; 1161 1162 ret=1; 1163 err: 1164 return(ret); 1165 } 1166 1167 /* 1168 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 1169 * where characters may be escaped by \ 1170 */ 1171 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn) 1172 { 1173 X509_NAME *n; 1174 1175 if (!(n = parse_name(subject, chtype, multirdn))) 1176 return 0; 1177 1178 if (!X509_REQ_set_subject_name(req, n)) 1179 { 1180 X509_NAME_free(n); 1181 return 0; 1182 } 1183 X509_NAME_free(n); 1184 return 1; 1185 } 1186 1187 1188 static int prompt_info(X509_REQ *req, 1189 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 1190 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs, 1191 unsigned long chtype) 1192 { 1193 int i; 1194 char *p,*q; 1195 char buf[100]; 1196 int nid, mval; 1197 long n_min,n_max; 1198 char *type, *value; 1199 const char *def; 1200 CONF_VALUE *v; 1201 X509_NAME *subj; 1202 subj = X509_REQ_get_subject_name(req); 1203 1204 if(!batch) 1205 { 1206 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n"); 1207 BIO_printf(bio_err,"into your certificate request.\n"); 1208 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n"); 1209 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n"); 1210 BIO_printf(bio_err,"For some fields there will be a default value,\n"); 1211 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n"); 1212 BIO_printf(bio_err,"-----\n"); 1213 } 1214 1215 1216 if (sk_CONF_VALUE_num(dn_sk)) 1217 { 1218 i= -1; 1219 start: for (;;) 1220 { 1221 i++; 1222 if (sk_CONF_VALUE_num(dn_sk) <= i) break; 1223 1224 v=sk_CONF_VALUE_value(dn_sk,i); 1225 p=q=NULL; 1226 type=v->name; 1227 if(!check_end(type,"_min") || !check_end(type,"_max") || 1228 !check_end(type,"_default") || 1229 !check_end(type,"_value")) continue; 1230 /* Skip past any leading X. X: X, etc to allow for 1231 * multiple instances 1232 */ 1233 for(p = v->name; *p ; p++) 1234 if ((*p == ':') || (*p == ',') || 1235 (*p == '.')) { 1236 p++; 1237 if(*p) type = p; 1238 break; 1239 } 1240 if (*type == '+') 1241 { 1242 mval = -1; 1243 type++; 1244 } 1245 else 1246 mval = 0; 1247 /* If OBJ not recognised ignore it */ 1248 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start; 1249 if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name) 1250 >= (int)sizeof(buf)) 1251 { 1252 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1253 return 0; 1254 } 1255 1256 if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1257 { 1258 ERR_clear_error(); 1259 def=""; 1260 } 1261 1262 BIO_snprintf(buf,sizeof buf,"%s_value",v->name); 1263 if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1264 { 1265 ERR_clear_error(); 1266 value=NULL; 1267 } 1268 1269 BIO_snprintf(buf,sizeof buf,"%s_min",v->name); 1270 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min)) 1271 { 1272 ERR_clear_error(); 1273 n_min = -1; 1274 } 1275 1276 BIO_snprintf(buf,sizeof buf,"%s_max",v->name); 1277 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max)) 1278 { 1279 ERR_clear_error(); 1280 n_max = -1; 1281 } 1282 1283 if (!add_DN_object(subj,v->value,def,value,nid, 1284 n_min,n_max, chtype, mval)) 1285 return 0; 1286 } 1287 if (X509_NAME_entry_count(subj) == 0) 1288 { 1289 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1290 return 0; 1291 } 1292 1293 if (attribs) 1294 { 1295 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch)) 1296 { 1297 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n"); 1298 BIO_printf(bio_err,"to be sent with your certificate request\n"); 1299 } 1300 1301 i= -1; 1302 start2: for (;;) 1303 { 1304 i++; 1305 if ((attr_sk == NULL) || 1306 (sk_CONF_VALUE_num(attr_sk) <= i)) 1307 break; 1308 1309 v=sk_CONF_VALUE_value(attr_sk,i); 1310 type=v->name; 1311 if ((nid=OBJ_txt2nid(type)) == NID_undef) 1312 goto start2; 1313 1314 if (BIO_snprintf(buf,sizeof buf,"%s_default",type) 1315 >= (int)sizeof(buf)) 1316 { 1317 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1318 return 0; 1319 } 1320 1321 if ((def=NCONF_get_string(req_conf,attr_sect,buf)) 1322 == NULL) 1323 { 1324 ERR_clear_error(); 1325 def=""; 1326 } 1327 1328 1329 BIO_snprintf(buf,sizeof buf,"%s_value",type); 1330 if ((value=NCONF_get_string(req_conf,attr_sect,buf)) 1331 == NULL) 1332 { 1333 ERR_clear_error(); 1334 value=NULL; 1335 } 1336 1337 BIO_snprintf(buf,sizeof buf,"%s_min",type); 1338 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min)) 1339 { 1340 ERR_clear_error(); 1341 n_min = -1; 1342 } 1343 1344 BIO_snprintf(buf,sizeof buf,"%s_max",type); 1345 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max)) 1346 { 1347 ERR_clear_error(); 1348 n_max = -1; 1349 } 1350 1351 if (!add_attribute_object(req, 1352 v->value,def,value,nid,n_min,n_max, chtype)) 1353 return 0; 1354 } 1355 } 1356 } 1357 else 1358 { 1359 BIO_printf(bio_err,"No template, please set one up.\n"); 1360 return 0; 1361 } 1362 1363 return 1; 1364 1365 } 1366 1367 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, 1368 STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype) 1369 { 1370 int i; 1371 char *p,*q; 1372 char *type; 1373 CONF_VALUE *v; 1374 X509_NAME *subj; 1375 1376 subj = X509_REQ_get_subject_name(req); 1377 1378 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) 1379 { 1380 int mval; 1381 v=sk_CONF_VALUE_value(dn_sk,i); 1382 p=q=NULL; 1383 type=v->name; 1384 /* Skip past any leading X. X: X, etc to allow for 1385 * multiple instances 1386 */ 1387 for(p = v->name; *p ; p++) 1388 #ifndef CHARSET_EBCDIC 1389 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1390 #else 1391 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) { 1392 #endif 1393 p++; 1394 if(*p) type = p; 1395 break; 1396 } 1397 #ifndef CHARSET_EBCDIC 1398 if (*p == '+') 1399 #else 1400 if (*p == os_toascii['+']) 1401 #endif 1402 { 1403 p++; 1404 mval = -1; 1405 } 1406 else 1407 mval = 0; 1408 if (!X509_NAME_add_entry_by_txt(subj,type, chtype, 1409 (unsigned char *) v->value,-1,-1,mval)) return 0; 1410 1411 } 1412 1413 if (!X509_NAME_entry_count(subj)) 1414 { 1415 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1416 return 0; 1417 } 1418 if (attribs) 1419 { 1420 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) 1421 { 1422 v=sk_CONF_VALUE_value(attr_sk,i); 1423 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype, 1424 (unsigned char *)v->value, -1)) return 0; 1425 } 1426 } 1427 return 1; 1428 } 1429 1430 1431 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value, 1432 int nid, int n_min, int n_max, unsigned long chtype, int mval) 1433 { 1434 int i,ret=0; 1435 MS_STATIC char buf[1024]; 1436 start: 1437 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1438 (void)BIO_flush(bio_err); 1439 if(value != NULL) 1440 { 1441 BUF_strlcpy(buf,value,sizeof buf); 1442 BUF_strlcat(buf,"\n",sizeof buf); 1443 BIO_printf(bio_err,"%s\n",value); 1444 } 1445 else 1446 { 1447 buf[0]='\0'; 1448 if (!batch) 1449 { 1450 if (!fgets(buf,sizeof buf,stdin)) 1451 return 0; 1452 } 1453 else 1454 { 1455 buf[0] = '\n'; 1456 buf[1] = '\0'; 1457 } 1458 } 1459 1460 if (buf[0] == '\0') return(0); 1461 else if (buf[0] == '\n') 1462 { 1463 if ((def == NULL) || (def[0] == '\0')) 1464 return(1); 1465 BUF_strlcpy(buf,def,sizeof buf); 1466 BUF_strlcat(buf,"\n",sizeof buf); 1467 } 1468 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1469 1470 i=strlen(buf); 1471 if (buf[i-1] != '\n') 1472 { 1473 BIO_printf(bio_err,"weird input :-(\n"); 1474 return(0); 1475 } 1476 buf[--i]='\0'; 1477 #ifdef CHARSET_EBCDIC 1478 ebcdic2ascii(buf, buf, i); 1479 #endif 1480 if(!req_check_len(i, n_min, n_max)) goto start; 1481 if (!X509_NAME_add_entry_by_NID(n,nid, chtype, 1482 (unsigned char *) buf, -1,-1,mval)) goto err; 1483 ret=1; 1484 err: 1485 return(ret); 1486 } 1487 1488 static int add_attribute_object(X509_REQ *req, char *text, const char *def, 1489 char *value, int nid, int n_min, 1490 int n_max, unsigned long chtype) 1491 { 1492 int i; 1493 static char buf[1024]; 1494 1495 start: 1496 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1497 (void)BIO_flush(bio_err); 1498 if (value != NULL) 1499 { 1500 BUF_strlcpy(buf,value,sizeof buf); 1501 BUF_strlcat(buf,"\n",sizeof buf); 1502 BIO_printf(bio_err,"%s\n",value); 1503 } 1504 else 1505 { 1506 buf[0]='\0'; 1507 if (!batch) 1508 { 1509 if (!fgets(buf,sizeof buf,stdin)) 1510 return 0; 1511 } 1512 else 1513 { 1514 buf[0] = '\n'; 1515 buf[1] = '\0'; 1516 } 1517 } 1518 1519 if (buf[0] == '\0') return(0); 1520 else if (buf[0] == '\n') 1521 { 1522 if ((def == NULL) || (def[0] == '\0')) 1523 return(1); 1524 BUF_strlcpy(buf,def,sizeof buf); 1525 BUF_strlcat(buf,"\n",sizeof buf); 1526 } 1527 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1528 1529 i=strlen(buf); 1530 if (buf[i-1] != '\n') 1531 { 1532 BIO_printf(bio_err,"weird input :-(\n"); 1533 return(0); 1534 } 1535 buf[--i]='\0'; 1536 #ifdef CHARSET_EBCDIC 1537 ebcdic2ascii(buf, buf, i); 1538 #endif 1539 if(!req_check_len(i, n_min, n_max)) goto start; 1540 1541 if(!X509_REQ_add1_attr_by_NID(req, nid, chtype, 1542 (unsigned char *)buf, -1)) { 1543 BIO_printf(bio_err, "Error adding attribute\n"); 1544 ERR_print_errors(bio_err); 1545 goto err; 1546 } 1547 1548 return(1); 1549 err: 1550 return(0); 1551 } 1552 1553 static int req_check_len(int len, int n_min, int n_max) 1554 { 1555 if ((n_min > 0) && (len < n_min)) 1556 { 1557 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min); 1558 return(0); 1559 } 1560 if ((n_max >= 0) && (len > n_max)) 1561 { 1562 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",n_max); 1563 return(0); 1564 } 1565 return(1); 1566 } 1567 1568 /* Check if the end of a string matches 'end' */ 1569 static int check_end(const char *str, const char *end) 1570 { 1571 int elen, slen; 1572 const char *tmp; 1573 elen = strlen(end); 1574 slen = strlen(str); 1575 if(elen > slen) return 1; 1576 tmp = str + slen - elen; 1577 return strcmp(tmp, end); 1578 } 1579 1580 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type, 1581 long *pkeylen, char **palgnam, 1582 ENGINE *keygen_engine) 1583 { 1584 EVP_PKEY_CTX *gctx = NULL; 1585 EVP_PKEY *param = NULL; 1586 long keylen = -1; 1587 BIO *pbio = NULL; 1588 const char *paramfile = NULL; 1589 1590 if (gstr == NULL) 1591 { 1592 *pkey_type = EVP_PKEY_RSA; 1593 keylen = *pkeylen; 1594 } 1595 else if (gstr[0] >= '0' && gstr[0] <= '9') 1596 { 1597 *pkey_type = EVP_PKEY_RSA; 1598 keylen = atol(gstr); 1599 *pkeylen = keylen; 1600 } 1601 else if (!strncmp(gstr, "param:", 6)) 1602 paramfile = gstr + 6; 1603 else 1604 { 1605 const char *p = strchr(gstr, ':'); 1606 int len; 1607 ENGINE *tmpeng; 1608 const EVP_PKEY_ASN1_METHOD *ameth; 1609 1610 if (p) 1611 len = p - gstr; 1612 else 1613 len = strlen(gstr); 1614 /* The lookup of a the string will cover all engines so 1615 * keep a note of the implementation. 1616 */ 1617 1618 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len); 1619 1620 if (!ameth) 1621 { 1622 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr); 1623 return NULL; 1624 } 1625 1626 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, 1627 ameth); 1628 #ifndef OPENSSL_NO_ENGINE 1629 if (tmpeng) 1630 ENGINE_finish(tmpeng); 1631 #endif 1632 if (*pkey_type == EVP_PKEY_RSA) 1633 { 1634 if (p) 1635 { 1636 keylen = atol(p + 1); 1637 *pkeylen = keylen; 1638 } 1639 } 1640 else if (p) 1641 paramfile = p + 1; 1642 } 1643 1644 if (paramfile) 1645 { 1646 pbio = BIO_new_file(paramfile, "r"); 1647 if (!pbio) 1648 { 1649 BIO_printf(err, "Can't open parameter file %s\n", 1650 paramfile); 1651 return NULL; 1652 } 1653 param = PEM_read_bio_Parameters(pbio, NULL); 1654 1655 if (!param) 1656 { 1657 X509 *x; 1658 (void)BIO_reset(pbio); 1659 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL); 1660 if (x) 1661 { 1662 param = X509_get_pubkey(x); 1663 X509_free(x); 1664 } 1665 } 1666 1667 BIO_free(pbio); 1668 1669 if (!param) 1670 { 1671 BIO_printf(err, "Error reading parameter file %s\n", 1672 paramfile); 1673 return NULL; 1674 } 1675 if (*pkey_type == -1) 1676 *pkey_type = EVP_PKEY_id(param); 1677 else if (*pkey_type != EVP_PKEY_base_id(param)) 1678 { 1679 BIO_printf(err, "Key Type does not match parameters\n"); 1680 EVP_PKEY_free(param); 1681 return NULL; 1682 } 1683 } 1684 1685 if (palgnam) 1686 { 1687 const EVP_PKEY_ASN1_METHOD *ameth; 1688 ENGINE *tmpeng; 1689 const char *anam; 1690 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type); 1691 if (!ameth) 1692 { 1693 BIO_puts(err, "Internal error: can't find key algorithm\n"); 1694 return NULL; 1695 } 1696 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth); 1697 *palgnam = BUF_strdup(anam); 1698 #ifndef OPENSSL_NO_ENGINE 1699 if (tmpeng) 1700 ENGINE_finish(tmpeng); 1701 #endif 1702 } 1703 1704 if (param) 1705 { 1706 gctx = EVP_PKEY_CTX_new(param, keygen_engine); 1707 *pkeylen = EVP_PKEY_bits(param); 1708 EVP_PKEY_free(param); 1709 } 1710 else 1711 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine); 1712 1713 if (!gctx) 1714 { 1715 BIO_puts(err, "Error allocating keygen context\n"); 1716 ERR_print_errors(err); 1717 return NULL; 1718 } 1719 1720 if (EVP_PKEY_keygen_init(gctx) <= 0) 1721 { 1722 BIO_puts(err, "Error initializing keygen context\n"); 1723 ERR_print_errors(err); 1724 return NULL; 1725 } 1726 #ifndef OPENSSL_NO_RSA 1727 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) 1728 { 1729 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) 1730 { 1731 BIO_puts(err, "Error setting RSA keysize\n"); 1732 ERR_print_errors(err); 1733 EVP_PKEY_CTX_free(gctx); 1734 return NULL; 1735 } 1736 } 1737 #endif 1738 1739 return gctx; 1740 } 1741 1742 static int genpkey_cb(EVP_PKEY_CTX *ctx) 1743 { 1744 char c='*'; 1745 BIO *b = EVP_PKEY_CTX_get_app_data(ctx); 1746 int p; 1747 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); 1748 if (p == 0) c='.'; 1749 if (p == 1) c='+'; 1750 if (p == 2) c='*'; 1751 if (p == 3) c='\n'; 1752 BIO_write(b,&c,1); 1753 (void)BIO_flush(b); 1754 #ifdef LINT 1755 p=n; 1756 #endif 1757 return 1; 1758 } 1759
