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, *sigopts = 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,"-sigopt") == 0) 314 { 315 if (--argc < 1) 316 goto bad; 317 if (!sigopts) 318 sigopts = sk_OPENSSL_STRING_new_null(); 319 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv))) 320 goto bad; 321 } 322 else if (strcmp(*argv,"-batch") == 0) 323 batch=1; 324 else if (strcmp(*argv,"-newhdr") == 0) 325 newhdr=1; 326 else if (strcmp(*argv,"-modulus") == 0) 327 modulus=1; 328 else if (strcmp(*argv,"-verify") == 0) 329 verify=1; 330 else if (strcmp(*argv,"-nodes") == 0) 331 nodes=1; 332 else if (strcmp(*argv,"-noout") == 0) 333 noout=1; 334 else if (strcmp(*argv,"-verbose") == 0) 335 verbose=1; 336 else if (strcmp(*argv,"-utf8") == 0) 337 chtype = MBSTRING_UTF8; 338 else if (strcmp(*argv,"-nameopt") == 0) 339 { 340 if (--argc < 1) goto bad; 341 if (!set_name_ex(&nmflag, *(++argv))) goto bad; 342 } 343 else if (strcmp(*argv,"-reqopt") == 0) 344 { 345 if (--argc < 1) goto bad; 346 if (!set_cert_ex(&reqflag, *(++argv))) goto bad; 347 } 348 else if (strcmp(*argv,"-subject") == 0) 349 subject=1; 350 else if (strcmp(*argv,"-text") == 0) 351 text=1; 352 else if (strcmp(*argv,"-x509") == 0) 353 x509=1; 354 else if (strcmp(*argv,"-asn1-kludge") == 0) 355 kludge=1; 356 else if (strcmp(*argv,"-no-asn1-kludge") == 0) 357 kludge=0; 358 else if (strcmp(*argv,"-subj") == 0) 359 { 360 if (--argc < 1) goto bad; 361 subj= *(++argv); 362 } 363 else if (strcmp(*argv,"-multivalue-rdn") == 0) 364 multirdn=1; 365 else if (strcmp(*argv,"-days") == 0) 366 { 367 if (--argc < 1) goto bad; 368 days= atoi(*(++argv)); 369 if (days == 0) days=30; 370 } 371 else if (strcmp(*argv,"-set_serial") == 0) 372 { 373 if (--argc < 1) goto bad; 374 serial = s2i_ASN1_INTEGER(NULL, *(++argv)); 375 if (!serial) goto bad; 376 } 377 else if (strcmp(*argv,"-extensions") == 0) 378 { 379 if (--argc < 1) goto bad; 380 extensions = *(++argv); 381 } 382 else if (strcmp(*argv,"-reqexts") == 0) 383 { 384 if (--argc < 1) goto bad; 385 req_exts = *(++argv); 386 } 387 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 388 { 389 /* ok */ 390 digest=md_alg; 391 } 392 else 393 { 394 BIO_printf(bio_err,"unknown option %s\n",*argv); 395 badops=1; 396 break; 397 } 398 argc--; 399 argv++; 400 } 401 402 if (badops) 403 { 404 bad: 405 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 406 BIO_printf(bio_err,"where options are\n"); 407 BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); 408 BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); 409 BIO_printf(bio_err," -in arg input file\n"); 410 BIO_printf(bio_err," -out arg output file\n"); 411 BIO_printf(bio_err," -text text form of request\n"); 412 BIO_printf(bio_err," -pubkey output public key\n"); 413 BIO_printf(bio_err," -noout do not output REQ\n"); 414 BIO_printf(bio_err," -verify verify signature on REQ\n"); 415 BIO_printf(bio_err," -modulus RSA modulus\n"); 416 BIO_printf(bio_err," -nodes don't encrypt the output key\n"); 417 #ifndef OPENSSL_NO_ENGINE 418 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device\n"); 419 #endif 420 BIO_printf(bio_err," -subject output the request's subject\n"); 421 BIO_printf(bio_err," -passin private key password source\n"); 422 BIO_printf(bio_err," -key file use the private key contained in file\n"); 423 BIO_printf(bio_err," -keyform arg key file format\n"); 424 BIO_printf(bio_err," -keyout arg file to send the key to\n"); 425 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 426 BIO_printf(bio_err," load the file (or the files in the directory) into\n"); 427 BIO_printf(bio_err," the random number generator\n"); 428 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 429 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 430 #ifndef OPENSSL_NO_ECDSA 431 BIO_printf(bio_err," -newkey ec:file generate a new EC key, parameters taken from CA in 'file'\n"); 432 #endif 433 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n"); 434 BIO_printf(bio_err," -config file request template file.\n"); 435 BIO_printf(bio_err," -subj arg set or modify request subject\n"); 436 BIO_printf(bio_err," -multivalue-rdn enable support for multivalued RDNs\n"); 437 BIO_printf(bio_err," -new new request.\n"); 438 BIO_printf(bio_err," -batch do not ask anything during request generation\n"); 439 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n"); 440 BIO_printf(bio_err," -days number of days a certificate generated by -x509 is valid for.\n"); 441 BIO_printf(bio_err," -set_serial serial number to use for a certificate generated by -x509.\n"); 442 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n"); 443 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 444 BIO_printf(bio_err," have been reported as requiring\n"); 445 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n"); 446 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n"); 447 BIO_printf(bio_err," -utf8 input characters are UTF8 (default ASCII)\n"); 448 BIO_printf(bio_err," -nameopt arg - various certificate name options\n"); 449 BIO_printf(bio_err," -reqopt arg - various request text options\n\n"); 450 goto end; 451 } 452 453 ERR_load_crypto_strings(); 454 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 455 BIO_printf(bio_err, "Error getting passwords\n"); 456 goto end; 457 } 458 459 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */ 460 /* Lets load up our environment a little */ 461 p=getenv("OPENSSL_CONF"); 462 if (p == NULL) 463 p=getenv("SSLEAY_CONF"); 464 if (p == NULL) 465 p=to_free=make_config_name(); 466 default_config_file=p; 467 config=NCONF_new(NULL); 468 i=NCONF_load(config, p, &errline); 469 #endif 470 471 if (template != NULL) 472 { 473 long errline = -1; 474 475 if( verbose ) 476 BIO_printf(bio_err,"Using configuration from %s\n",template); 477 req_conf=NCONF_new(NULL); 478 i=NCONF_load(req_conf,template,&errline); 479 if (i == 0) 480 { 481 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template); 482 goto end; 483 } 484 } 485 else 486 { 487 req_conf=config; 488 489 if (req_conf == NULL) 490 { 491 BIO_printf(bio_err,"Unable to load config info from %s\n", default_config_file); 492 if (newreq) 493 goto end; 494 } 495 else if( verbose ) 496 BIO_printf(bio_err,"Using configuration from %s\n", 497 default_config_file); 498 } 499 500 if (req_conf != NULL) 501 { 502 if (!load_config(bio_err, req_conf)) 503 goto end; 504 p=NCONF_get_string(req_conf,NULL,"oid_file"); 505 if (p == NULL) 506 ERR_clear_error(); 507 if (p != NULL) 508 { 509 BIO *oid_bio; 510 511 oid_bio=BIO_new_file(p,"r"); 512 if (oid_bio == NULL) 513 { 514 /* 515 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 516 ERR_print_errors(bio_err); 517 */ 518 } 519 else 520 { 521 OBJ_create_objects(oid_bio); 522 BIO_free(oid_bio); 523 } 524 } 525 } 526 if(!add_oid_section(bio_err, req_conf)) goto end; 527 528 if (md_alg == NULL) 529 { 530 p=NCONF_get_string(req_conf,SECTION,"default_md"); 531 if (p == NULL) 532 ERR_clear_error(); 533 if (p != NULL) 534 { 535 if ((md_alg=EVP_get_digestbyname(p)) != NULL) 536 digest=md_alg; 537 } 538 } 539 540 if (!extensions) 541 { 542 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 543 if (!extensions) 544 ERR_clear_error(); 545 } 546 if (extensions) { 547 /* Check syntax of file */ 548 X509V3_CTX ctx; 549 X509V3_set_ctx_test(&ctx); 550 X509V3_set_nconf(&ctx, req_conf); 551 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) { 552 BIO_printf(bio_err, 553 "Error Loading extension section %s\n", extensions); 554 goto end; 555 } 556 } 557 558 if(!passin) 559 { 560 passin = NCONF_get_string(req_conf, SECTION, "input_password"); 561 if (!passin) 562 ERR_clear_error(); 563 } 564 565 if(!passout) 566 { 567 passout = NCONF_get_string(req_conf, SECTION, "output_password"); 568 if (!passout) 569 ERR_clear_error(); 570 } 571 572 p = NCONF_get_string(req_conf, SECTION, STRING_MASK); 573 if (!p) 574 ERR_clear_error(); 575 576 if(p && !ASN1_STRING_set_default_mask_asc(p)) { 577 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); 578 goto end; 579 } 580 581 if (chtype != MBSTRING_UTF8) 582 { 583 p = NCONF_get_string(req_conf, SECTION, UTF8_IN); 584 if (!p) 585 ERR_clear_error(); 586 else if (!strcmp(p, "yes")) 587 chtype = MBSTRING_UTF8; 588 } 589 590 591 if(!req_exts) 592 { 593 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); 594 if (!req_exts) 595 ERR_clear_error(); 596 } 597 if(req_exts) { 598 /* Check syntax of file */ 599 X509V3_CTX ctx; 600 X509V3_set_ctx_test(&ctx); 601 X509V3_set_nconf(&ctx, req_conf); 602 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) { 603 BIO_printf(bio_err, 604 "Error Loading request extension section %s\n", 605 req_exts); 606 goto end; 607 } 608 } 609 610 in=BIO_new(BIO_s_file()); 611 out=BIO_new(BIO_s_file()); 612 if ((in == NULL) || (out == NULL)) 613 goto end; 614 615 #ifndef OPENSSL_NO_ENGINE 616 e = setup_engine(bio_err, engine, 0); 617 #endif 618 619 if (keyfile != NULL) 620 { 621 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e, 622 "Private Key"); 623 if (!pkey) 624 { 625 /* load_key() has already printed an appropriate 626 message */ 627 goto end; 628 } 629 else 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 } 636 } 637 638 if (newreq && (pkey == NULL)) 639 { 640 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE"); 641 if (randfile == NULL) 642 ERR_clear_error(); 643 app_RAND_load_file(randfile, bio_err, 0); 644 if (inrand) 645 app_RAND_load_files(inrand); 646 647 if (keyalg) 648 { 649 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey, 650 &keyalgstr, gen_eng); 651 if (!genctx) 652 goto end; 653 } 654 655 if (newkey <= 0) 656 { 657 if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey)) 658 newkey=DEFAULT_KEY_LENGTH; 659 } 660 661 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) 662 { 663 BIO_printf(bio_err,"private key length is too short,\n"); 664 BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey); 665 goto end; 666 } 667 668 if (!genctx) 669 { 670 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey, 671 &keyalgstr, gen_eng); 672 if (!genctx) 673 goto end; 674 } 675 676 if (pkeyopts) 677 { 678 char *genopt; 679 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) 680 { 681 genopt = sk_OPENSSL_STRING_value(pkeyopts, i); 682 if (pkey_ctrl_string(genctx, genopt) <= 0) 683 { 684 BIO_printf(bio_err, 685 "parameter error \"%s\"\n", 686 genopt); 687 ERR_print_errors(bio_err); 688 goto end; 689 } 690 } 691 } 692 693 BIO_printf(bio_err,"Generating a %ld bit %s private key\n", 694 newkey, keyalgstr); 695 696 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb); 697 EVP_PKEY_CTX_set_app_data(genctx, bio_err); 698 699 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) 700 { 701 BIO_puts(bio_err, "Error Generating Key\n"); 702 goto end; 703 } 704 705 EVP_PKEY_CTX_free(genctx); 706 genctx = NULL; 707 708 app_RAND_write_file(randfile, bio_err); 709 710 if (keyout == NULL) 711 { 712 keyout=NCONF_get_string(req_conf,SECTION,KEYFILE); 713 if (keyout == NULL) 714 ERR_clear_error(); 715 } 716 717 if (keyout == NULL) 718 { 719 BIO_printf(bio_err,"writing new private key to stdout\n"); 720 BIO_set_fp(out,stdout,BIO_NOCLOSE); 721 #ifdef OPENSSL_SYS_VMS 722 { 723 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 724 out = BIO_push(tmpbio, out); 725 } 726 #endif 727 } 728 else 729 { 730 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout); 731 if (BIO_write_filename(out,keyout) <= 0) 732 { 733 perror(keyout); 734 goto end; 735 } 736 } 737 738 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key"); 739 if (p == NULL) 740 { 741 ERR_clear_error(); 742 p=NCONF_get_string(req_conf,SECTION,"encrypt_key"); 743 if (p == NULL) 744 ERR_clear_error(); 745 } 746 if ((p != NULL) && (strcmp(p,"no") == 0)) 747 cipher=NULL; 748 if (nodes) cipher=NULL; 749 750 i=0; 751 loop: 752 if (!PEM_write_bio_PrivateKey(out,pkey,cipher, 753 NULL,0,NULL,passout)) 754 { 755 if ((ERR_GET_REASON(ERR_peek_error()) == 756 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) 757 { 758 ERR_clear_error(); 759 i++; 760 goto loop; 761 } 762 goto end; 763 } 764 BIO_printf(bio_err,"-----\n"); 765 } 766 767 if (!newreq) 768 { 769 /* Since we are using a pre-existing certificate 770 * request, the kludge 'format' info should not be 771 * changed. */ 772 kludge= -1; 773 if (infile == NULL) 774 BIO_set_fp(in,stdin,BIO_NOCLOSE); 775 else 776 { 777 if (BIO_read_filename(in,infile) <= 0) 778 { 779 perror(infile); 780 goto end; 781 } 782 } 783 784 if (informat == FORMAT_ASN1) 785 req=d2i_X509_REQ_bio(in,NULL); 786 else if (informat == FORMAT_PEM) 787 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); 788 else 789 { 790 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 791 goto end; 792 } 793 if (req == NULL) 794 { 795 BIO_printf(bio_err,"unable to load X509 request\n"); 796 goto end; 797 } 798 } 799 800 if (newreq || x509) 801 { 802 if (pkey == NULL) 803 { 804 BIO_printf(bio_err,"you need to specify a private key\n"); 805 goto end; 806 } 807 808 if (req == NULL) 809 { 810 req=X509_REQ_new(); 811 if (req == NULL) 812 { 813 goto end; 814 } 815 816 i=make_REQ(req,pkey,subj,multirdn,!x509, chtype); 817 subj=NULL; /* done processing '-subj' option */ 818 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) 819 { 820 sk_X509_ATTRIBUTE_free(req->req_info->attributes); 821 req->req_info->attributes = NULL; 822 } 823 if (!i) 824 { 825 BIO_printf(bio_err,"problems making Certificate Request\n"); 826 goto end; 827 } 828 } 829 if (x509) 830 { 831 EVP_PKEY *tmppkey; 832 X509V3_CTX ext_ctx; 833 if ((x509ss=X509_new()) == NULL) goto end; 834 835 /* Set version to V3 */ 836 if(extensions && !X509_set_version(x509ss, 2)) goto end; 837 if (serial) 838 { 839 if (!X509_set_serialNumber(x509ss, serial)) goto end; 840 } 841 else 842 { 843 if (!rand_serial(NULL, 844 X509_get_serialNumber(x509ss))) 845 goto end; 846 } 847 848 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 849 if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end; 850 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end; 851 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 852 tmppkey = X509_REQ_get_pubkey(req); 853 if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end; 854 EVP_PKEY_free(tmppkey); 855 856 /* Set up V3 context struct */ 857 858 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 859 X509V3_set_nconf(&ext_ctx, req_conf); 860 861 /* Add extensions */ 862 if(extensions && !X509V3_EXT_add_nconf(req_conf, 863 &ext_ctx, extensions, x509ss)) 864 { 865 BIO_printf(bio_err, 866 "Error Loading extension section %s\n", 867 extensions); 868 goto end; 869 } 870 871 i=do_X509_sign(bio_err, x509ss, pkey, digest, sigopts); 872 if (!i) 873 { 874 ERR_print_errors(bio_err); 875 goto end; 876 } 877 } 878 else 879 { 880 X509V3_CTX ext_ctx; 881 882 /* Set up V3 context struct */ 883 884 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 885 X509V3_set_nconf(&ext_ctx, req_conf); 886 887 /* Add extensions */ 888 if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 889 &ext_ctx, req_exts, req)) 890 { 891 BIO_printf(bio_err, 892 "Error Loading extension section %s\n", 893 req_exts); 894 goto end; 895 } 896 i=do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts); 897 if (!i) 898 { 899 ERR_print_errors(bio_err); 900 goto end; 901 } 902 } 903 } 904 905 if (subj && x509) 906 { 907 BIO_printf(bio_err, "Cannot modifiy certificate subject\n"); 908 goto end; 909 } 910 911 if (subj && !x509) 912 { 913 if (verbose) 914 { 915 BIO_printf(bio_err, "Modifying Request's Subject\n"); 916 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag); 917 } 918 919 if (build_subject(req, subj, chtype, multirdn) == 0) 920 { 921 BIO_printf(bio_err, "ERROR: cannot modify subject\n"); 922 ex=1; 923 goto end; 924 } 925 926 req->req_info->enc.modified = 1; 927 928 if (verbose) 929 { 930 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag); 931 } 932 } 933 934 if (verify && !x509) 935 { 936 int tmp=0; 937 938 if (pkey == NULL) 939 { 940 pkey=X509_REQ_get_pubkey(req); 941 tmp=1; 942 if (pkey == NULL) goto end; 943 } 944 945 i=X509_REQ_verify(req,pkey); 946 if (tmp) { 947 EVP_PKEY_free(pkey); 948 pkey=NULL; 949 } 950 951 if (i < 0) 952 { 953 goto end; 954 } 955 else if (i == 0) 956 { 957 BIO_printf(bio_err,"verify failure\n"); 958 ERR_print_errors(bio_err); 959 } 960 else /* if (i > 0) */ 961 BIO_printf(bio_err,"verify OK\n"); 962 } 963 964 if (noout && !text && !modulus && !subject && !pubkey) 965 { 966 ex=0; 967 goto end; 968 } 969 970 if (outfile == NULL) 971 { 972 BIO_set_fp(out,stdout,BIO_NOCLOSE); 973 #ifdef OPENSSL_SYS_VMS 974 { 975 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 976 out = BIO_push(tmpbio, out); 977 } 978 #endif 979 } 980 else 981 { 982 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0)) 983 i=(int)BIO_append_filename(out,outfile); 984 else 985 i=(int)BIO_write_filename(out,outfile); 986 if (!i) 987 { 988 perror(outfile); 989 goto end; 990 } 991 } 992 993 if (pubkey) 994 { 995 EVP_PKEY *tpubkey; 996 tpubkey=X509_REQ_get_pubkey(req); 997 if (tpubkey == NULL) 998 { 999 BIO_printf(bio_err,"Error getting public key\n"); 1000 ERR_print_errors(bio_err); 1001 goto end; 1002 } 1003 PEM_write_bio_PUBKEY(out, tpubkey); 1004 EVP_PKEY_free(tpubkey); 1005 } 1006 1007 if (text) 1008 { 1009 if (x509) 1010 X509_print_ex(out, x509ss, nmflag, reqflag); 1011 else 1012 X509_REQ_print_ex(out, req, nmflag, reqflag); 1013 } 1014 1015 if(subject) 1016 { 1017 if(x509) 1018 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag); 1019 else 1020 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag); 1021 } 1022 1023 if (modulus) 1024 { 1025 EVP_PKEY *tpubkey; 1026 1027 if (x509) 1028 tpubkey=X509_get_pubkey(x509ss); 1029 else 1030 tpubkey=X509_REQ_get_pubkey(req); 1031 if (tpubkey == NULL) 1032 { 1033 fprintf(stdout,"Modulus=unavailable\n"); 1034 goto end; 1035 } 1036 fprintf(stdout,"Modulus="); 1037 #ifndef OPENSSL_NO_RSA 1038 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) 1039 BN_print(out,tpubkey->pkey.rsa->n); 1040 else 1041 #endif 1042 fprintf(stdout,"Wrong Algorithm type"); 1043 EVP_PKEY_free(tpubkey); 1044 fprintf(stdout,"\n"); 1045 } 1046 1047 if (!noout && !x509) 1048 { 1049 if (outformat == FORMAT_ASN1) 1050 i=i2d_X509_REQ_bio(out,req); 1051 else if (outformat == FORMAT_PEM) { 1052 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req); 1053 else i=PEM_write_bio_X509_REQ(out,req); 1054 } else { 1055 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1056 goto end; 1057 } 1058 if (!i) 1059 { 1060 BIO_printf(bio_err,"unable to write X509 request\n"); 1061 goto end; 1062 } 1063 } 1064 if (!noout && x509 && (x509ss != NULL)) 1065 { 1066 if (outformat == FORMAT_ASN1) 1067 i=i2d_X509_bio(out,x509ss); 1068 else if (outformat == FORMAT_PEM) 1069 i=PEM_write_bio_X509(out,x509ss); 1070 else { 1071 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1072 goto end; 1073 } 1074 if (!i) 1075 { 1076 BIO_printf(bio_err,"unable to write X509 certificate\n"); 1077 goto end; 1078 } 1079 } 1080 ex=0; 1081 end: 1082 #ifndef MONOLITH 1083 if(to_free) 1084 OPENSSL_free(to_free); 1085 #endif 1086 if (ex) 1087 { 1088 ERR_print_errors(bio_err); 1089 } 1090 if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf); 1091 BIO_free(in); 1092 BIO_free_all(out); 1093 EVP_PKEY_free(pkey); 1094 if (genctx) 1095 EVP_PKEY_CTX_free(genctx); 1096 if (pkeyopts) 1097 sk_OPENSSL_STRING_free(pkeyopts); 1098 if (sigopts) 1099 sk_OPENSSL_STRING_free(sigopts); 1100 #ifndef OPENSSL_NO_ENGINE 1101 if (gen_eng) 1102 ENGINE_free(gen_eng); 1103 #endif 1104 if (keyalgstr) 1105 OPENSSL_free(keyalgstr); 1106 X509_REQ_free(req); 1107 X509_free(x509ss); 1108 ASN1_INTEGER_free(serial); 1109 if(passargin && passin) OPENSSL_free(passin); 1110 if(passargout && passout) OPENSSL_free(passout); 1111 OBJ_cleanup(); 1112 apps_shutdown(); 1113 OPENSSL_EXIT(ex); 1114 } 1115 1116 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn, 1117 int attribs, unsigned long chtype) 1118 { 1119 int ret=0,i; 1120 char no_prompt = 0; 1121 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; 1122 char *tmp, *dn_sect,*attr_sect; 1123 1124 tmp=NCONF_get_string(req_conf,SECTION,PROMPT); 1125 if (tmp == NULL) 1126 ERR_clear_error(); 1127 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1; 1128 1129 dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME); 1130 if (dn_sect == NULL) 1131 { 1132 BIO_printf(bio_err,"unable to find '%s' in config\n", 1133 DISTINGUISHED_NAME); 1134 goto err; 1135 } 1136 dn_sk=NCONF_get_section(req_conf,dn_sect); 1137 if (dn_sk == NULL) 1138 { 1139 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect); 1140 goto err; 1141 } 1142 1143 attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES); 1144 if (attr_sect == NULL) 1145 { 1146 ERR_clear_error(); 1147 attr_sk=NULL; 1148 } 1149 else 1150 { 1151 attr_sk=NCONF_get_section(req_conf,attr_sect); 1152 if (attr_sk == NULL) 1153 { 1154 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect); 1155 goto err; 1156 } 1157 } 1158 1159 /* setup version number */ 1160 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */ 1161 1162 if (no_prompt) 1163 i = auto_info(req, dn_sk, attr_sk, attribs, chtype); 1164 else 1165 { 1166 if (subj) 1167 i = build_subject(req, subj, chtype, multirdn); 1168 else 1169 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype); 1170 } 1171 if(!i) goto err; 1172 1173 if (!X509_REQ_set_pubkey(req,pkey)) goto err; 1174 1175 ret=1; 1176 err: 1177 return(ret); 1178 } 1179 1180 /* 1181 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 1182 * where characters may be escaped by \ 1183 */ 1184 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn) 1185 { 1186 X509_NAME *n; 1187 1188 if (!(n = parse_name(subject, chtype, multirdn))) 1189 return 0; 1190 1191 if (!X509_REQ_set_subject_name(req, n)) 1192 { 1193 X509_NAME_free(n); 1194 return 0; 1195 } 1196 X509_NAME_free(n); 1197 return 1; 1198 } 1199 1200 1201 static int prompt_info(X509_REQ *req, 1202 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 1203 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs, 1204 unsigned long chtype) 1205 { 1206 int i; 1207 char *p,*q; 1208 char buf[100]; 1209 int nid, mval; 1210 long n_min,n_max; 1211 char *type, *value; 1212 const char *def; 1213 CONF_VALUE *v; 1214 X509_NAME *subj; 1215 subj = X509_REQ_get_subject_name(req); 1216 1217 if(!batch) 1218 { 1219 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n"); 1220 BIO_printf(bio_err,"into your certificate request.\n"); 1221 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n"); 1222 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n"); 1223 BIO_printf(bio_err,"For some fields there will be a default value,\n"); 1224 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n"); 1225 BIO_printf(bio_err,"-----\n"); 1226 } 1227 1228 1229 if (sk_CONF_VALUE_num(dn_sk)) 1230 { 1231 i= -1; 1232 start: for (;;) 1233 { 1234 i++; 1235 if (sk_CONF_VALUE_num(dn_sk) <= i) break; 1236 1237 v=sk_CONF_VALUE_value(dn_sk,i); 1238 p=q=NULL; 1239 type=v->name; 1240 if(!check_end(type,"_min") || !check_end(type,"_max") || 1241 !check_end(type,"_default") || 1242 !check_end(type,"_value")) continue; 1243 /* Skip past any leading X. X: X, etc to allow for 1244 * multiple instances 1245 */ 1246 for(p = v->name; *p ; p++) 1247 if ((*p == ':') || (*p == ',') || 1248 (*p == '.')) { 1249 p++; 1250 if(*p) type = p; 1251 break; 1252 } 1253 if (*type == '+') 1254 { 1255 mval = -1; 1256 type++; 1257 } 1258 else 1259 mval = 0; 1260 /* If OBJ not recognised ignore it */ 1261 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start; 1262 if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name) 1263 >= (int)sizeof(buf)) 1264 { 1265 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1266 return 0; 1267 } 1268 1269 if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1270 { 1271 ERR_clear_error(); 1272 def=""; 1273 } 1274 1275 BIO_snprintf(buf,sizeof buf,"%s_value",v->name); 1276 if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1277 { 1278 ERR_clear_error(); 1279 value=NULL; 1280 } 1281 1282 BIO_snprintf(buf,sizeof buf,"%s_min",v->name); 1283 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min)) 1284 { 1285 ERR_clear_error(); 1286 n_min = -1; 1287 } 1288 1289 BIO_snprintf(buf,sizeof buf,"%s_max",v->name); 1290 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max)) 1291 { 1292 ERR_clear_error(); 1293 n_max = -1; 1294 } 1295 1296 if (!add_DN_object(subj,v->value,def,value,nid, 1297 n_min,n_max, chtype, mval)) 1298 return 0; 1299 } 1300 if (X509_NAME_entry_count(subj) == 0) 1301 { 1302 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1303 return 0; 1304 } 1305 1306 if (attribs) 1307 { 1308 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch)) 1309 { 1310 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n"); 1311 BIO_printf(bio_err,"to be sent with your certificate request\n"); 1312 } 1313 1314 i= -1; 1315 start2: for (;;) 1316 { 1317 i++; 1318 if ((attr_sk == NULL) || 1319 (sk_CONF_VALUE_num(attr_sk) <= i)) 1320 break; 1321 1322 v=sk_CONF_VALUE_value(attr_sk,i); 1323 type=v->name; 1324 if ((nid=OBJ_txt2nid(type)) == NID_undef) 1325 goto start2; 1326 1327 if (BIO_snprintf(buf,sizeof buf,"%s_default",type) 1328 >= (int)sizeof(buf)) 1329 { 1330 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1331 return 0; 1332 } 1333 1334 if ((def=NCONF_get_string(req_conf,attr_sect,buf)) 1335 == NULL) 1336 { 1337 ERR_clear_error(); 1338 def=""; 1339 } 1340 1341 1342 BIO_snprintf(buf,sizeof buf,"%s_value",type); 1343 if ((value=NCONF_get_string(req_conf,attr_sect,buf)) 1344 == NULL) 1345 { 1346 ERR_clear_error(); 1347 value=NULL; 1348 } 1349 1350 BIO_snprintf(buf,sizeof buf,"%s_min",type); 1351 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min)) 1352 { 1353 ERR_clear_error(); 1354 n_min = -1; 1355 } 1356 1357 BIO_snprintf(buf,sizeof buf,"%s_max",type); 1358 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max)) 1359 { 1360 ERR_clear_error(); 1361 n_max = -1; 1362 } 1363 1364 if (!add_attribute_object(req, 1365 v->value,def,value,nid,n_min,n_max, chtype)) 1366 return 0; 1367 } 1368 } 1369 } 1370 else 1371 { 1372 BIO_printf(bio_err,"No template, please set one up.\n"); 1373 return 0; 1374 } 1375 1376 return 1; 1377 1378 } 1379 1380 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, 1381 STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype) 1382 { 1383 int i; 1384 char *p,*q; 1385 char *type; 1386 CONF_VALUE *v; 1387 X509_NAME *subj; 1388 1389 subj = X509_REQ_get_subject_name(req); 1390 1391 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) 1392 { 1393 int mval; 1394 v=sk_CONF_VALUE_value(dn_sk,i); 1395 p=q=NULL; 1396 type=v->name; 1397 /* Skip past any leading X. X: X, etc to allow for 1398 * multiple instances 1399 */ 1400 for(p = v->name; *p ; p++) 1401 #ifndef CHARSET_EBCDIC 1402 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1403 #else 1404 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) { 1405 #endif 1406 p++; 1407 if(*p) type = p; 1408 break; 1409 } 1410 #ifndef CHARSET_EBCDIC 1411 if (*p == '+') 1412 #else 1413 if (*p == os_toascii['+']) 1414 #endif 1415 { 1416 p++; 1417 mval = -1; 1418 } 1419 else 1420 mval = 0; 1421 if (!X509_NAME_add_entry_by_txt(subj,type, chtype, 1422 (unsigned char *) v->value,-1,-1,mval)) return 0; 1423 1424 } 1425 1426 if (!X509_NAME_entry_count(subj)) 1427 { 1428 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1429 return 0; 1430 } 1431 if (attribs) 1432 { 1433 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) 1434 { 1435 v=sk_CONF_VALUE_value(attr_sk,i); 1436 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype, 1437 (unsigned char *)v->value, -1)) return 0; 1438 } 1439 } 1440 return 1; 1441 } 1442 1443 1444 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value, 1445 int nid, int n_min, int n_max, unsigned long chtype, int mval) 1446 { 1447 int i,ret=0; 1448 MS_STATIC char buf[1024]; 1449 start: 1450 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1451 (void)BIO_flush(bio_err); 1452 if(value != NULL) 1453 { 1454 BUF_strlcpy(buf,value,sizeof buf); 1455 BUF_strlcat(buf,"\n",sizeof buf); 1456 BIO_printf(bio_err,"%s\n",value); 1457 } 1458 else 1459 { 1460 buf[0]='\0'; 1461 if (!batch) 1462 { 1463 if (!fgets(buf,sizeof buf,stdin)) 1464 return 0; 1465 } 1466 else 1467 { 1468 buf[0] = '\n'; 1469 buf[1] = '\0'; 1470 } 1471 } 1472 1473 if (buf[0] == '\0') return(0); 1474 else if (buf[0] == '\n') 1475 { 1476 if ((def == NULL) || (def[0] == '\0')) 1477 return(1); 1478 BUF_strlcpy(buf,def,sizeof buf); 1479 BUF_strlcat(buf,"\n",sizeof buf); 1480 } 1481 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1482 1483 i=strlen(buf); 1484 if (buf[i-1] != '\n') 1485 { 1486 BIO_printf(bio_err,"weird input :-(\n"); 1487 return(0); 1488 } 1489 buf[--i]='\0'; 1490 #ifdef CHARSET_EBCDIC 1491 ebcdic2ascii(buf, buf, i); 1492 #endif 1493 if(!req_check_len(i, n_min, n_max)) goto start; 1494 if (!X509_NAME_add_entry_by_NID(n,nid, chtype, 1495 (unsigned char *) buf, -1,-1,mval)) goto err; 1496 ret=1; 1497 err: 1498 return(ret); 1499 } 1500 1501 static int add_attribute_object(X509_REQ *req, char *text, const char *def, 1502 char *value, int nid, int n_min, 1503 int n_max, unsigned long chtype) 1504 { 1505 int i; 1506 static char buf[1024]; 1507 1508 start: 1509 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1510 (void)BIO_flush(bio_err); 1511 if (value != NULL) 1512 { 1513 BUF_strlcpy(buf,value,sizeof buf); 1514 BUF_strlcat(buf,"\n",sizeof buf); 1515 BIO_printf(bio_err,"%s\n",value); 1516 } 1517 else 1518 { 1519 buf[0]='\0'; 1520 if (!batch) 1521 { 1522 if (!fgets(buf,sizeof buf,stdin)) 1523 return 0; 1524 } 1525 else 1526 { 1527 buf[0] = '\n'; 1528 buf[1] = '\0'; 1529 } 1530 } 1531 1532 if (buf[0] == '\0') return(0); 1533 else if (buf[0] == '\n') 1534 { 1535 if ((def == NULL) || (def[0] == '\0')) 1536 return(1); 1537 BUF_strlcpy(buf,def,sizeof buf); 1538 BUF_strlcat(buf,"\n",sizeof buf); 1539 } 1540 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1541 1542 i=strlen(buf); 1543 if (buf[i-1] != '\n') 1544 { 1545 BIO_printf(bio_err,"weird input :-(\n"); 1546 return(0); 1547 } 1548 buf[--i]='\0'; 1549 #ifdef CHARSET_EBCDIC 1550 ebcdic2ascii(buf, buf, i); 1551 #endif 1552 if(!req_check_len(i, n_min, n_max)) goto start; 1553 1554 if(!X509_REQ_add1_attr_by_NID(req, nid, chtype, 1555 (unsigned char *)buf, -1)) { 1556 BIO_printf(bio_err, "Error adding attribute\n"); 1557 ERR_print_errors(bio_err); 1558 goto err; 1559 } 1560 1561 return(1); 1562 err: 1563 return(0); 1564 } 1565 1566 static int req_check_len(int len, int n_min, int n_max) 1567 { 1568 if ((n_min > 0) && (len < n_min)) 1569 { 1570 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min); 1571 return(0); 1572 } 1573 if ((n_max >= 0) && (len > n_max)) 1574 { 1575 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",n_max); 1576 return(0); 1577 } 1578 return(1); 1579 } 1580 1581 /* Check if the end of a string matches 'end' */ 1582 static int check_end(const char *str, const char *end) 1583 { 1584 int elen, slen; 1585 const char *tmp; 1586 elen = strlen(end); 1587 slen = strlen(str); 1588 if(elen > slen) return 1; 1589 tmp = str + slen - elen; 1590 return strcmp(tmp, end); 1591 } 1592 1593 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type, 1594 long *pkeylen, char **palgnam, 1595 ENGINE *keygen_engine) 1596 { 1597 EVP_PKEY_CTX *gctx = NULL; 1598 EVP_PKEY *param = NULL; 1599 long keylen = -1; 1600 BIO *pbio = NULL; 1601 const char *paramfile = NULL; 1602 1603 if (gstr == NULL) 1604 { 1605 *pkey_type = EVP_PKEY_RSA; 1606 keylen = *pkeylen; 1607 } 1608 else if (gstr[0] >= '0' && gstr[0] <= '9') 1609 { 1610 *pkey_type = EVP_PKEY_RSA; 1611 keylen = atol(gstr); 1612 *pkeylen = keylen; 1613 } 1614 else if (!strncmp(gstr, "param:", 6)) 1615 paramfile = gstr + 6; 1616 else 1617 { 1618 const char *p = strchr(gstr, ':'); 1619 int len; 1620 ENGINE *tmpeng; 1621 const EVP_PKEY_ASN1_METHOD *ameth; 1622 1623 if (p) 1624 len = p - gstr; 1625 else 1626 len = strlen(gstr); 1627 /* The lookup of a the string will cover all engines so 1628 * keep a note of the implementation. 1629 */ 1630 1631 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len); 1632 1633 if (!ameth) 1634 { 1635 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr); 1636 return NULL; 1637 } 1638 1639 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, 1640 ameth); 1641 #ifndef OPENSSL_NO_ENGINE 1642 if (tmpeng) 1643 ENGINE_finish(tmpeng); 1644 #endif 1645 if (*pkey_type == EVP_PKEY_RSA) 1646 { 1647 if (p) 1648 { 1649 keylen = atol(p + 1); 1650 *pkeylen = keylen; 1651 } 1652 } 1653 else if (p) 1654 paramfile = p + 1; 1655 } 1656 1657 if (paramfile) 1658 { 1659 pbio = BIO_new_file(paramfile, "r"); 1660 if (!pbio) 1661 { 1662 BIO_printf(err, "Can't open parameter file %s\n", 1663 paramfile); 1664 return NULL; 1665 } 1666 param = PEM_read_bio_Parameters(pbio, NULL); 1667 1668 if (!param) 1669 { 1670 X509 *x; 1671 (void)BIO_reset(pbio); 1672 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL); 1673 if (x) 1674 { 1675 param = X509_get_pubkey(x); 1676 X509_free(x); 1677 } 1678 } 1679 1680 BIO_free(pbio); 1681 1682 if (!param) 1683 { 1684 BIO_printf(err, "Error reading parameter file %s\n", 1685 paramfile); 1686 return NULL; 1687 } 1688 if (*pkey_type == -1) 1689 *pkey_type = EVP_PKEY_id(param); 1690 else if (*pkey_type != EVP_PKEY_base_id(param)) 1691 { 1692 BIO_printf(err, "Key Type does not match parameters\n"); 1693 EVP_PKEY_free(param); 1694 return NULL; 1695 } 1696 } 1697 1698 if (palgnam) 1699 { 1700 const EVP_PKEY_ASN1_METHOD *ameth; 1701 ENGINE *tmpeng; 1702 const char *anam; 1703 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type); 1704 if (!ameth) 1705 { 1706 BIO_puts(err, "Internal error: can't find key algorithm\n"); 1707 return NULL; 1708 } 1709 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth); 1710 *palgnam = BUF_strdup(anam); 1711 #ifndef OPENSSL_NO_ENGINE 1712 if (tmpeng) 1713 ENGINE_finish(tmpeng); 1714 #endif 1715 } 1716 1717 if (param) 1718 { 1719 gctx = EVP_PKEY_CTX_new(param, keygen_engine); 1720 *pkeylen = EVP_PKEY_bits(param); 1721 EVP_PKEY_free(param); 1722 } 1723 else 1724 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine); 1725 1726 if (!gctx) 1727 { 1728 BIO_puts(err, "Error allocating keygen context\n"); 1729 ERR_print_errors(err); 1730 return NULL; 1731 } 1732 1733 if (EVP_PKEY_keygen_init(gctx) <= 0) 1734 { 1735 BIO_puts(err, "Error initializing keygen context\n"); 1736 ERR_print_errors(err); 1737 return NULL; 1738 } 1739 #ifndef OPENSSL_NO_RSA 1740 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) 1741 { 1742 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) 1743 { 1744 BIO_puts(err, "Error setting RSA keysize\n"); 1745 ERR_print_errors(err); 1746 EVP_PKEY_CTX_free(gctx); 1747 return NULL; 1748 } 1749 } 1750 #endif 1751 1752 return gctx; 1753 } 1754 1755 static int genpkey_cb(EVP_PKEY_CTX *ctx) 1756 { 1757 char c='*'; 1758 BIO *b = EVP_PKEY_CTX_get_app_data(ctx); 1759 int p; 1760 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); 1761 if (p == 0) c='.'; 1762 if (p == 1) c='+'; 1763 if (p == 2) c='*'; 1764 if (p == 3) c='\n'; 1765 BIO_write(b,&c,1); 1766 (void)BIO_flush(b); 1767 #ifdef LINT 1768 p=n; 1769 #endif 1770 return 1; 1771 } 1772 1773 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey, 1774 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts) 1775 { 1776 EVP_PKEY_CTX *pkctx = NULL; 1777 int i; 1778 EVP_MD_CTX_init(ctx); 1779 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)) 1780 return 0; 1781 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) 1782 { 1783 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i); 1784 if (pkey_ctrl_string(pkctx, sigopt) <= 0) 1785 { 1786 BIO_printf(err, "parameter error \"%s\"\n", sigopt); 1787 ERR_print_errors(bio_err); 1788 return 0; 1789 } 1790 } 1791 return 1; 1792 } 1793 1794 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md, 1795 STACK_OF(OPENSSL_STRING) *sigopts) 1796 { 1797 int rv; 1798 EVP_MD_CTX mctx; 1799 EVP_MD_CTX_init(&mctx); 1800 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1801 if (rv > 0) 1802 rv = X509_sign_ctx(x, &mctx); 1803 EVP_MD_CTX_cleanup(&mctx); 1804 return rv > 0 ? 1 : 0; 1805 } 1806 1807 1808 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md, 1809 STACK_OF(OPENSSL_STRING) *sigopts) 1810 { 1811 int rv; 1812 EVP_MD_CTX mctx; 1813 EVP_MD_CTX_init(&mctx); 1814 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1815 if (rv > 0) 1816 rv = X509_REQ_sign_ctx(x, &mctx); 1817 EVP_MD_CTX_cleanup(&mctx); 1818 return rv > 0 ? 1 : 0; 1819 } 1820 1821 1822 1823 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md, 1824 STACK_OF(OPENSSL_STRING) *sigopts) 1825 { 1826 int rv; 1827 EVP_MD_CTX mctx; 1828 EVP_MD_CTX_init(&mctx); 1829 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1830 if (rv > 0) 1831 rv = X509_CRL_sign_ctx(x, &mctx); 1832 EVP_MD_CTX_cleanup(&mctx); 1833 return rv > 0 ? 1 : 0; 1834 } 1835 1836 1837
