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 (!NCONF_get_number(req_conf,SECTION,BITS, &newkey)) 648 { 649 newkey=DEFAULT_KEY_LENGTH; 650 } 651 652 if (keyalg) 653 { 654 genctx = set_keygen_ctx(bio_err, keyalg, &pkey_type, &newkey, 655 &keyalgstr, gen_eng); 656 if (!genctx) 657 goto end; 658 } 659 660 if (newkey < MIN_KEY_LENGTH && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) 661 { 662 BIO_printf(bio_err,"private key length is too short,\n"); 663 BIO_printf(bio_err,"it needs to be at least %d bits, not %ld\n",MIN_KEY_LENGTH,newkey); 664 goto end; 665 } 666 667 if (!genctx) 668 { 669 genctx = set_keygen_ctx(bio_err, NULL, &pkey_type, &newkey, 670 &keyalgstr, gen_eng); 671 if (!genctx) 672 goto end; 673 } 674 675 if (pkeyopts) 676 { 677 char *genopt; 678 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) 679 { 680 genopt = sk_OPENSSL_STRING_value(pkeyopts, i); 681 if (pkey_ctrl_string(genctx, genopt) <= 0) 682 { 683 BIO_printf(bio_err, 684 "parameter error \"%s\"\n", 685 genopt); 686 ERR_print_errors(bio_err); 687 goto end; 688 } 689 } 690 } 691 692 BIO_printf(bio_err,"Generating a %ld bit %s private key\n", 693 newkey, keyalgstr); 694 695 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb); 696 EVP_PKEY_CTX_set_app_data(genctx, bio_err); 697 698 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) 699 { 700 BIO_puts(bio_err, "Error Generating Key\n"); 701 goto end; 702 } 703 704 EVP_PKEY_CTX_free(genctx); 705 genctx = NULL; 706 707 app_RAND_write_file(randfile, bio_err); 708 709 if (keyout == NULL) 710 { 711 keyout=NCONF_get_string(req_conf,SECTION,KEYFILE); 712 if (keyout == NULL) 713 ERR_clear_error(); 714 } 715 716 if (keyout == NULL) 717 { 718 BIO_printf(bio_err,"writing new private key to stdout\n"); 719 BIO_set_fp(out,stdout,BIO_NOCLOSE); 720 #ifdef OPENSSL_SYS_VMS 721 { 722 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 723 out = BIO_push(tmpbio, out); 724 } 725 #endif 726 } 727 else 728 { 729 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout); 730 if (BIO_write_filename(out,keyout) <= 0) 731 { 732 perror(keyout); 733 goto end; 734 } 735 } 736 737 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key"); 738 if (p == NULL) 739 { 740 ERR_clear_error(); 741 p=NCONF_get_string(req_conf,SECTION,"encrypt_key"); 742 if (p == NULL) 743 ERR_clear_error(); 744 } 745 if ((p != NULL) && (strcmp(p,"no") == 0)) 746 cipher=NULL; 747 if (nodes) cipher=NULL; 748 749 i=0; 750 loop: 751 if (!PEM_write_bio_PrivateKey(out,pkey,cipher, 752 NULL,0,NULL,passout)) 753 { 754 if ((ERR_GET_REASON(ERR_peek_error()) == 755 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) 756 { 757 ERR_clear_error(); 758 i++; 759 goto loop; 760 } 761 goto end; 762 } 763 BIO_printf(bio_err,"-----\n"); 764 } 765 766 if (!newreq) 767 { 768 /* Since we are using a pre-existing certificate 769 * request, the kludge 'format' info should not be 770 * changed. */ 771 kludge= -1; 772 if (infile == NULL) 773 BIO_set_fp(in,stdin,BIO_NOCLOSE); 774 else 775 { 776 if (BIO_read_filename(in,infile) <= 0) 777 { 778 perror(infile); 779 goto end; 780 } 781 } 782 783 if (informat == FORMAT_ASN1) 784 req=d2i_X509_REQ_bio(in,NULL); 785 else if (informat == FORMAT_PEM) 786 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); 787 else 788 { 789 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 790 goto end; 791 } 792 if (req == NULL) 793 { 794 BIO_printf(bio_err,"unable to load X509 request\n"); 795 goto end; 796 } 797 } 798 799 if (newreq || x509) 800 { 801 if (pkey == NULL) 802 { 803 BIO_printf(bio_err,"you need to specify a private key\n"); 804 goto end; 805 } 806 807 if (req == NULL) 808 { 809 req=X509_REQ_new(); 810 if (req == NULL) 811 { 812 goto end; 813 } 814 815 i=make_REQ(req,pkey,subj,multirdn,!x509, chtype); 816 subj=NULL; /* done processing '-subj' option */ 817 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) 818 { 819 sk_X509_ATTRIBUTE_free(req->req_info->attributes); 820 req->req_info->attributes = NULL; 821 } 822 if (!i) 823 { 824 BIO_printf(bio_err,"problems making Certificate Request\n"); 825 goto end; 826 } 827 } 828 if (x509) 829 { 830 EVP_PKEY *tmppkey; 831 X509V3_CTX ext_ctx; 832 if ((x509ss=X509_new()) == NULL) goto end; 833 834 /* Set version to V3 */ 835 if(extensions && !X509_set_version(x509ss, 2)) goto end; 836 if (serial) 837 { 838 if (!X509_set_serialNumber(x509ss, serial)) goto end; 839 } 840 else 841 { 842 if (!rand_serial(NULL, 843 X509_get_serialNumber(x509ss))) 844 goto end; 845 } 846 847 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 848 if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end; 849 if (!X509_time_adj_ex(X509_get_notAfter(x509ss), days, 0, NULL)) goto end; 850 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 851 tmppkey = X509_REQ_get_pubkey(req); 852 if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end; 853 EVP_PKEY_free(tmppkey); 854 855 /* Set up V3 context struct */ 856 857 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 858 X509V3_set_nconf(&ext_ctx, req_conf); 859 860 /* Add extensions */ 861 if(extensions && !X509V3_EXT_add_nconf(req_conf, 862 &ext_ctx, extensions, x509ss)) 863 { 864 BIO_printf(bio_err, 865 "Error Loading extension section %s\n", 866 extensions); 867 goto end; 868 } 869 870 i=do_X509_sign(bio_err, x509ss, pkey, digest, sigopts); 871 if (!i) 872 { 873 ERR_print_errors(bio_err); 874 goto end; 875 } 876 } 877 else 878 { 879 X509V3_CTX ext_ctx; 880 881 /* Set up V3 context struct */ 882 883 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 884 X509V3_set_nconf(&ext_ctx, req_conf); 885 886 /* Add extensions */ 887 if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 888 &ext_ctx, req_exts, req)) 889 { 890 BIO_printf(bio_err, 891 "Error Loading extension section %s\n", 892 req_exts); 893 goto end; 894 } 895 i=do_X509_REQ_sign(bio_err, req, pkey, digest, sigopts); 896 if (!i) 897 { 898 ERR_print_errors(bio_err); 899 goto end; 900 } 901 } 902 } 903 904 if (subj && x509) 905 { 906 BIO_printf(bio_err, "Cannot modifiy certificate subject\n"); 907 goto end; 908 } 909 910 if (subj && !x509) 911 { 912 if (verbose) 913 { 914 BIO_printf(bio_err, "Modifying Request's Subject\n"); 915 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag); 916 } 917 918 if (build_subject(req, subj, chtype, multirdn) == 0) 919 { 920 BIO_printf(bio_err, "ERROR: cannot modify subject\n"); 921 ex=1; 922 goto end; 923 } 924 925 req->req_info->enc.modified = 1; 926 927 if (verbose) 928 { 929 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag); 930 } 931 } 932 933 if (verify && !x509) 934 { 935 int tmp=0; 936 937 if (pkey == NULL) 938 { 939 pkey=X509_REQ_get_pubkey(req); 940 tmp=1; 941 if (pkey == NULL) goto end; 942 } 943 944 i=X509_REQ_verify(req,pkey); 945 if (tmp) { 946 EVP_PKEY_free(pkey); 947 pkey=NULL; 948 } 949 950 if (i < 0) 951 { 952 goto end; 953 } 954 else if (i == 0) 955 { 956 BIO_printf(bio_err,"verify failure\n"); 957 ERR_print_errors(bio_err); 958 } 959 else /* if (i > 0) */ 960 BIO_printf(bio_err,"verify OK\n"); 961 } 962 963 if (noout && !text && !modulus && !subject && !pubkey) 964 { 965 ex=0; 966 goto end; 967 } 968 969 if (outfile == NULL) 970 { 971 BIO_set_fp(out,stdout,BIO_NOCLOSE); 972 #ifdef OPENSSL_SYS_VMS 973 { 974 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 975 out = BIO_push(tmpbio, out); 976 } 977 #endif 978 } 979 else 980 { 981 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0)) 982 i=(int)BIO_append_filename(out,outfile); 983 else 984 i=(int)BIO_write_filename(out,outfile); 985 if (!i) 986 { 987 perror(outfile); 988 goto end; 989 } 990 } 991 992 if (pubkey) 993 { 994 EVP_PKEY *tpubkey; 995 tpubkey=X509_REQ_get_pubkey(req); 996 if (tpubkey == NULL) 997 { 998 BIO_printf(bio_err,"Error getting public key\n"); 999 ERR_print_errors(bio_err); 1000 goto end; 1001 } 1002 PEM_write_bio_PUBKEY(out, tpubkey); 1003 EVP_PKEY_free(tpubkey); 1004 } 1005 1006 if (text) 1007 { 1008 if (x509) 1009 X509_print_ex(out, x509ss, nmflag, reqflag); 1010 else 1011 X509_REQ_print_ex(out, req, nmflag, reqflag); 1012 } 1013 1014 if(subject) 1015 { 1016 if(x509) 1017 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag); 1018 else 1019 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag); 1020 } 1021 1022 if (modulus) 1023 { 1024 EVP_PKEY *tpubkey; 1025 1026 if (x509) 1027 tpubkey=X509_get_pubkey(x509ss); 1028 else 1029 tpubkey=X509_REQ_get_pubkey(req); 1030 if (tpubkey == NULL) 1031 { 1032 fprintf(stdout,"Modulus=unavailable\n"); 1033 goto end; 1034 } 1035 fprintf(stdout,"Modulus="); 1036 #ifndef OPENSSL_NO_RSA 1037 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) 1038 BN_print(out,tpubkey->pkey.rsa->n); 1039 else 1040 #endif 1041 fprintf(stdout,"Wrong Algorithm type"); 1042 EVP_PKEY_free(tpubkey); 1043 fprintf(stdout,"\n"); 1044 } 1045 1046 if (!noout && !x509) 1047 { 1048 if (outformat == FORMAT_ASN1) 1049 i=i2d_X509_REQ_bio(out,req); 1050 else if (outformat == FORMAT_PEM) { 1051 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req); 1052 else i=PEM_write_bio_X509_REQ(out,req); 1053 } else { 1054 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1055 goto end; 1056 } 1057 if (!i) 1058 { 1059 BIO_printf(bio_err,"unable to write X509 request\n"); 1060 goto end; 1061 } 1062 } 1063 if (!noout && x509 && (x509ss != NULL)) 1064 { 1065 if (outformat == FORMAT_ASN1) 1066 i=i2d_X509_bio(out,x509ss); 1067 else if (outformat == FORMAT_PEM) 1068 i=PEM_write_bio_X509(out,x509ss); 1069 else { 1070 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1071 goto end; 1072 } 1073 if (!i) 1074 { 1075 BIO_printf(bio_err,"unable to write X509 certificate\n"); 1076 goto end; 1077 } 1078 } 1079 ex=0; 1080 end: 1081 #ifndef MONOLITH 1082 if(to_free) 1083 OPENSSL_free(to_free); 1084 #endif 1085 if (ex) 1086 { 1087 ERR_print_errors(bio_err); 1088 } 1089 if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf); 1090 BIO_free(in); 1091 BIO_free_all(out); 1092 EVP_PKEY_free(pkey); 1093 if (genctx) 1094 EVP_PKEY_CTX_free(genctx); 1095 if (pkeyopts) 1096 sk_OPENSSL_STRING_free(pkeyopts); 1097 if (sigopts) 1098 sk_OPENSSL_STRING_free(sigopts); 1099 #ifndef OPENSSL_NO_ENGINE 1100 if (gen_eng) 1101 ENGINE_free(gen_eng); 1102 #endif 1103 if (keyalgstr) 1104 OPENSSL_free(keyalgstr); 1105 X509_REQ_free(req); 1106 X509_free(x509ss); 1107 ASN1_INTEGER_free(serial); 1108 if(passargin && passin) OPENSSL_free(passin); 1109 if(passargout && passout) OPENSSL_free(passout); 1110 OBJ_cleanup(); 1111 apps_shutdown(); 1112 OPENSSL_EXIT(ex); 1113 } 1114 1115 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn, 1116 int attribs, unsigned long chtype) 1117 { 1118 int ret=0,i; 1119 char no_prompt = 0; 1120 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; 1121 char *tmp, *dn_sect,*attr_sect; 1122 1123 tmp=NCONF_get_string(req_conf,SECTION,PROMPT); 1124 if (tmp == NULL) 1125 ERR_clear_error(); 1126 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1; 1127 1128 dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME); 1129 if (dn_sect == NULL) 1130 { 1131 BIO_printf(bio_err,"unable to find '%s' in config\n", 1132 DISTINGUISHED_NAME); 1133 goto err; 1134 } 1135 dn_sk=NCONF_get_section(req_conf,dn_sect); 1136 if (dn_sk == NULL) 1137 { 1138 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect); 1139 goto err; 1140 } 1141 1142 attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES); 1143 if (attr_sect == NULL) 1144 { 1145 ERR_clear_error(); 1146 attr_sk=NULL; 1147 } 1148 else 1149 { 1150 attr_sk=NCONF_get_section(req_conf,attr_sect); 1151 if (attr_sk == NULL) 1152 { 1153 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect); 1154 goto err; 1155 } 1156 } 1157 1158 /* setup version number */ 1159 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */ 1160 1161 if (no_prompt) 1162 i = auto_info(req, dn_sk, attr_sk, attribs, chtype); 1163 else 1164 { 1165 if (subj) 1166 i = build_subject(req, subj, chtype, multirdn); 1167 else 1168 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype); 1169 } 1170 if(!i) goto err; 1171 1172 if (!X509_REQ_set_pubkey(req,pkey)) goto err; 1173 1174 ret=1; 1175 err: 1176 return(ret); 1177 } 1178 1179 /* 1180 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 1181 * where characters may be escaped by \ 1182 */ 1183 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype, int multirdn) 1184 { 1185 X509_NAME *n; 1186 1187 if (!(n = parse_name(subject, chtype, multirdn))) 1188 return 0; 1189 1190 if (!X509_REQ_set_subject_name(req, n)) 1191 { 1192 X509_NAME_free(n); 1193 return 0; 1194 } 1195 X509_NAME_free(n); 1196 return 1; 1197 } 1198 1199 1200 static int prompt_info(X509_REQ *req, 1201 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 1202 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs, 1203 unsigned long chtype) 1204 { 1205 int i; 1206 char *p,*q; 1207 char buf[100]; 1208 int nid, mval; 1209 long n_min,n_max; 1210 char *type, *value; 1211 const char *def; 1212 CONF_VALUE *v; 1213 X509_NAME *subj; 1214 subj = X509_REQ_get_subject_name(req); 1215 1216 if(!batch) 1217 { 1218 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n"); 1219 BIO_printf(bio_err,"into your certificate request.\n"); 1220 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n"); 1221 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n"); 1222 BIO_printf(bio_err,"For some fields there will be a default value,\n"); 1223 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n"); 1224 BIO_printf(bio_err,"-----\n"); 1225 } 1226 1227 1228 if (sk_CONF_VALUE_num(dn_sk)) 1229 { 1230 i= -1; 1231 start: for (;;) 1232 { 1233 i++; 1234 if (sk_CONF_VALUE_num(dn_sk) <= i) break; 1235 1236 v=sk_CONF_VALUE_value(dn_sk,i); 1237 p=q=NULL; 1238 type=v->name; 1239 if(!check_end(type,"_min") || !check_end(type,"_max") || 1240 !check_end(type,"_default") || 1241 !check_end(type,"_value")) continue; 1242 /* Skip past any leading X. X: X, etc to allow for 1243 * multiple instances 1244 */ 1245 for(p = v->name; *p ; p++) 1246 if ((*p == ':') || (*p == ',') || 1247 (*p == '.')) { 1248 p++; 1249 if(*p) type = p; 1250 break; 1251 } 1252 if (*type == '+') 1253 { 1254 mval = -1; 1255 type++; 1256 } 1257 else 1258 mval = 0; 1259 /* If OBJ not recognised ignore it */ 1260 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start; 1261 if (BIO_snprintf(buf,sizeof buf,"%s_default",v->name) 1262 >= (int)sizeof(buf)) 1263 { 1264 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1265 return 0; 1266 } 1267 1268 if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1269 { 1270 ERR_clear_error(); 1271 def=""; 1272 } 1273 1274 BIO_snprintf(buf,sizeof buf,"%s_value",v->name); 1275 if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1276 { 1277 ERR_clear_error(); 1278 value=NULL; 1279 } 1280 1281 BIO_snprintf(buf,sizeof buf,"%s_min",v->name); 1282 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min)) 1283 { 1284 ERR_clear_error(); 1285 n_min = -1; 1286 } 1287 1288 BIO_snprintf(buf,sizeof buf,"%s_max",v->name); 1289 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max)) 1290 { 1291 ERR_clear_error(); 1292 n_max = -1; 1293 } 1294 1295 if (!add_DN_object(subj,v->value,def,value,nid, 1296 n_min,n_max, chtype, mval)) 1297 return 0; 1298 } 1299 if (X509_NAME_entry_count(subj) == 0) 1300 { 1301 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1302 return 0; 1303 } 1304 1305 if (attribs) 1306 { 1307 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch)) 1308 { 1309 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n"); 1310 BIO_printf(bio_err,"to be sent with your certificate request\n"); 1311 } 1312 1313 i= -1; 1314 start2: for (;;) 1315 { 1316 i++; 1317 if ((attr_sk == NULL) || 1318 (sk_CONF_VALUE_num(attr_sk) <= i)) 1319 break; 1320 1321 v=sk_CONF_VALUE_value(attr_sk,i); 1322 type=v->name; 1323 if ((nid=OBJ_txt2nid(type)) == NID_undef) 1324 goto start2; 1325 1326 if (BIO_snprintf(buf,sizeof buf,"%s_default",type) 1327 >= (int)sizeof(buf)) 1328 { 1329 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1330 return 0; 1331 } 1332 1333 if ((def=NCONF_get_string(req_conf,attr_sect,buf)) 1334 == NULL) 1335 { 1336 ERR_clear_error(); 1337 def=""; 1338 } 1339 1340 1341 BIO_snprintf(buf,sizeof buf,"%s_value",type); 1342 if ((value=NCONF_get_string(req_conf,attr_sect,buf)) 1343 == NULL) 1344 { 1345 ERR_clear_error(); 1346 value=NULL; 1347 } 1348 1349 BIO_snprintf(buf,sizeof buf,"%s_min",type); 1350 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min)) 1351 { 1352 ERR_clear_error(); 1353 n_min = -1; 1354 } 1355 1356 BIO_snprintf(buf,sizeof buf,"%s_max",type); 1357 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max)) 1358 { 1359 ERR_clear_error(); 1360 n_max = -1; 1361 } 1362 1363 if (!add_attribute_object(req, 1364 v->value,def,value,nid,n_min,n_max, chtype)) 1365 return 0; 1366 } 1367 } 1368 } 1369 else 1370 { 1371 BIO_printf(bio_err,"No template, please set one up.\n"); 1372 return 0; 1373 } 1374 1375 return 1; 1376 1377 } 1378 1379 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, 1380 STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype) 1381 { 1382 int i; 1383 char *p,*q; 1384 char *type; 1385 CONF_VALUE *v; 1386 X509_NAME *subj; 1387 1388 subj = X509_REQ_get_subject_name(req); 1389 1390 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) 1391 { 1392 int mval; 1393 v=sk_CONF_VALUE_value(dn_sk,i); 1394 p=q=NULL; 1395 type=v->name; 1396 /* Skip past any leading X. X: X, etc to allow for 1397 * multiple instances 1398 */ 1399 for(p = v->name; *p ; p++) 1400 #ifndef CHARSET_EBCDIC 1401 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1402 #else 1403 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) { 1404 #endif 1405 p++; 1406 if(*p) type = p; 1407 break; 1408 } 1409 #ifndef CHARSET_EBCDIC 1410 if (*p == '+') 1411 #else 1412 if (*p == os_toascii['+']) 1413 #endif 1414 { 1415 p++; 1416 mval = -1; 1417 } 1418 else 1419 mval = 0; 1420 if (!X509_NAME_add_entry_by_txt(subj,type, chtype, 1421 (unsigned char *) v->value,-1,-1,mval)) return 0; 1422 1423 } 1424 1425 if (!X509_NAME_entry_count(subj)) 1426 { 1427 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1428 return 0; 1429 } 1430 if (attribs) 1431 { 1432 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) 1433 { 1434 v=sk_CONF_VALUE_value(attr_sk,i); 1435 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype, 1436 (unsigned char *)v->value, -1)) return 0; 1437 } 1438 } 1439 return 1; 1440 } 1441 1442 1443 static int add_DN_object(X509_NAME *n, char *text, const char *def, char *value, 1444 int nid, int n_min, int n_max, unsigned long chtype, int mval) 1445 { 1446 int i,ret=0; 1447 MS_STATIC char buf[1024]; 1448 start: 1449 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1450 (void)BIO_flush(bio_err); 1451 if(value != NULL) 1452 { 1453 BUF_strlcpy(buf,value,sizeof buf); 1454 BUF_strlcat(buf,"\n",sizeof buf); 1455 BIO_printf(bio_err,"%s\n",value); 1456 } 1457 else 1458 { 1459 buf[0]='\0'; 1460 if (!batch) 1461 { 1462 if (!fgets(buf,sizeof buf,stdin)) 1463 return 0; 1464 } 1465 else 1466 { 1467 buf[0] = '\n'; 1468 buf[1] = '\0'; 1469 } 1470 } 1471 1472 if (buf[0] == '\0') return(0); 1473 else if (buf[0] == '\n') 1474 { 1475 if ((def == NULL) || (def[0] == '\0')) 1476 return(1); 1477 BUF_strlcpy(buf,def,sizeof buf); 1478 BUF_strlcat(buf,"\n",sizeof buf); 1479 } 1480 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1481 1482 i=strlen(buf); 1483 if (buf[i-1] != '\n') 1484 { 1485 BIO_printf(bio_err,"weird input :-(\n"); 1486 return(0); 1487 } 1488 buf[--i]='\0'; 1489 #ifdef CHARSET_EBCDIC 1490 ebcdic2ascii(buf, buf, i); 1491 #endif 1492 if(!req_check_len(i, n_min, n_max)) 1493 { 1494 if (batch || value) 1495 return 0; 1496 goto start; 1497 } 1498 1499 if (!X509_NAME_add_entry_by_NID(n,nid, chtype, 1500 (unsigned char *) buf, -1,-1,mval)) goto err; 1501 ret=1; 1502 err: 1503 return(ret); 1504 } 1505 1506 static int add_attribute_object(X509_REQ *req, char *text, const char *def, 1507 char *value, int nid, int n_min, 1508 int n_max, unsigned long chtype) 1509 { 1510 int i; 1511 static char buf[1024]; 1512 1513 start: 1514 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1515 (void)BIO_flush(bio_err); 1516 if (value != NULL) 1517 { 1518 BUF_strlcpy(buf,value,sizeof buf); 1519 BUF_strlcat(buf,"\n",sizeof buf); 1520 BIO_printf(bio_err,"%s\n",value); 1521 } 1522 else 1523 { 1524 buf[0]='\0'; 1525 if (!batch) 1526 { 1527 if (!fgets(buf,sizeof buf,stdin)) 1528 return 0; 1529 } 1530 else 1531 { 1532 buf[0] = '\n'; 1533 buf[1] = '\0'; 1534 } 1535 } 1536 1537 if (buf[0] == '\0') return(0); 1538 else if (buf[0] == '\n') 1539 { 1540 if ((def == NULL) || (def[0] == '\0')) 1541 return(1); 1542 BUF_strlcpy(buf,def,sizeof buf); 1543 BUF_strlcat(buf,"\n",sizeof buf); 1544 } 1545 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1546 1547 i=strlen(buf); 1548 if (buf[i-1] != '\n') 1549 { 1550 BIO_printf(bio_err,"weird input :-(\n"); 1551 return(0); 1552 } 1553 buf[--i]='\0'; 1554 #ifdef CHARSET_EBCDIC 1555 ebcdic2ascii(buf, buf, i); 1556 #endif 1557 if(!req_check_len(i, n_min, n_max)) 1558 { 1559 if (batch || value) 1560 return 0; 1561 goto start; 1562 } 1563 1564 if(!X509_REQ_add1_attr_by_NID(req, nid, chtype, 1565 (unsigned char *)buf, -1)) { 1566 BIO_printf(bio_err, "Error adding attribute\n"); 1567 ERR_print_errors(bio_err); 1568 goto err; 1569 } 1570 1571 return(1); 1572 err: 1573 return(0); 1574 } 1575 1576 static int req_check_len(int len, int n_min, int n_max) 1577 { 1578 if ((n_min > 0) && (len < n_min)) 1579 { 1580 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min); 1581 return(0); 1582 } 1583 if ((n_max >= 0) && (len > n_max)) 1584 { 1585 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",n_max); 1586 return(0); 1587 } 1588 return(1); 1589 } 1590 1591 /* Check if the end of a string matches 'end' */ 1592 static int check_end(const char *str, const char *end) 1593 { 1594 int elen, slen; 1595 const char *tmp; 1596 elen = strlen(end); 1597 slen = strlen(str); 1598 if(elen > slen) return 1; 1599 tmp = str + slen - elen; 1600 return strcmp(tmp, end); 1601 } 1602 1603 static EVP_PKEY_CTX *set_keygen_ctx(BIO *err, const char *gstr, int *pkey_type, 1604 long *pkeylen, char **palgnam, 1605 ENGINE *keygen_engine) 1606 { 1607 EVP_PKEY_CTX *gctx = NULL; 1608 EVP_PKEY *param = NULL; 1609 long keylen = -1; 1610 BIO *pbio = NULL; 1611 const char *paramfile = NULL; 1612 1613 if (gstr == NULL) 1614 { 1615 *pkey_type = EVP_PKEY_RSA; 1616 keylen = *pkeylen; 1617 } 1618 else if (gstr[0] >= '0' && gstr[0] <= '9') 1619 { 1620 *pkey_type = EVP_PKEY_RSA; 1621 keylen = atol(gstr); 1622 *pkeylen = keylen; 1623 } 1624 else if (!strncmp(gstr, "param:", 6)) 1625 paramfile = gstr + 6; 1626 else 1627 { 1628 const char *p = strchr(gstr, ':'); 1629 int len; 1630 ENGINE *tmpeng; 1631 const EVP_PKEY_ASN1_METHOD *ameth; 1632 1633 if (p) 1634 len = p - gstr; 1635 else 1636 len = strlen(gstr); 1637 /* The lookup of a the string will cover all engines so 1638 * keep a note of the implementation. 1639 */ 1640 1641 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len); 1642 1643 if (!ameth) 1644 { 1645 BIO_printf(err, "Unknown algorithm %.*s\n", len, gstr); 1646 return NULL; 1647 } 1648 1649 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, 1650 ameth); 1651 #ifndef OPENSSL_NO_ENGINE 1652 if (tmpeng) 1653 ENGINE_finish(tmpeng); 1654 #endif 1655 if (*pkey_type == EVP_PKEY_RSA) 1656 { 1657 if (p) 1658 { 1659 keylen = atol(p + 1); 1660 *pkeylen = keylen; 1661 } 1662 else 1663 keylen = *pkeylen; 1664 } 1665 else if (p) 1666 paramfile = p + 1; 1667 } 1668 1669 if (paramfile) 1670 { 1671 pbio = BIO_new_file(paramfile, "r"); 1672 if (!pbio) 1673 { 1674 BIO_printf(err, "Can't open parameter file %s\n", 1675 paramfile); 1676 return NULL; 1677 } 1678 param = PEM_read_bio_Parameters(pbio, NULL); 1679 1680 if (!param) 1681 { 1682 X509 *x; 1683 (void)BIO_reset(pbio); 1684 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL); 1685 if (x) 1686 { 1687 param = X509_get_pubkey(x); 1688 X509_free(x); 1689 } 1690 } 1691 1692 BIO_free(pbio); 1693 1694 if (!param) 1695 { 1696 BIO_printf(err, "Error reading parameter file %s\n", 1697 paramfile); 1698 return NULL; 1699 } 1700 if (*pkey_type == -1) 1701 *pkey_type = EVP_PKEY_id(param); 1702 else if (*pkey_type != EVP_PKEY_base_id(param)) 1703 { 1704 BIO_printf(err, "Key Type does not match parameters\n"); 1705 EVP_PKEY_free(param); 1706 return NULL; 1707 } 1708 } 1709 1710 if (palgnam) 1711 { 1712 const EVP_PKEY_ASN1_METHOD *ameth; 1713 ENGINE *tmpeng; 1714 const char *anam; 1715 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type); 1716 if (!ameth) 1717 { 1718 BIO_puts(err, "Internal error: can't find key algorithm\n"); 1719 return NULL; 1720 } 1721 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth); 1722 *palgnam = BUF_strdup(anam); 1723 #ifndef OPENSSL_NO_ENGINE 1724 if (tmpeng) 1725 ENGINE_finish(tmpeng); 1726 #endif 1727 } 1728 1729 if (param) 1730 { 1731 gctx = EVP_PKEY_CTX_new(param, keygen_engine); 1732 *pkeylen = EVP_PKEY_bits(param); 1733 EVP_PKEY_free(param); 1734 } 1735 else 1736 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine); 1737 1738 if (!gctx) 1739 { 1740 BIO_puts(err, "Error allocating keygen context\n"); 1741 ERR_print_errors(err); 1742 return NULL; 1743 } 1744 1745 if (EVP_PKEY_keygen_init(gctx) <= 0) 1746 { 1747 BIO_puts(err, "Error initializing keygen context\n"); 1748 ERR_print_errors(err); 1749 return NULL; 1750 } 1751 #ifndef OPENSSL_NO_RSA 1752 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) 1753 { 1754 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) 1755 { 1756 BIO_puts(err, "Error setting RSA keysize\n"); 1757 ERR_print_errors(err); 1758 EVP_PKEY_CTX_free(gctx); 1759 return NULL; 1760 } 1761 } 1762 #endif 1763 1764 return gctx; 1765 } 1766 1767 static int genpkey_cb(EVP_PKEY_CTX *ctx) 1768 { 1769 char c='*'; 1770 BIO *b = EVP_PKEY_CTX_get_app_data(ctx); 1771 int p; 1772 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0); 1773 if (p == 0) c='.'; 1774 if (p == 1) c='+'; 1775 if (p == 2) c='*'; 1776 if (p == 3) c='\n'; 1777 BIO_write(b,&c,1); 1778 (void)BIO_flush(b); 1779 #ifdef LINT 1780 p=n; 1781 #endif 1782 return 1; 1783 } 1784 1785 static int do_sign_init(BIO *err, EVP_MD_CTX *ctx, EVP_PKEY *pkey, 1786 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts) 1787 { 1788 EVP_PKEY_CTX *pkctx = NULL; 1789 int i; 1790 EVP_MD_CTX_init(ctx); 1791 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)) 1792 return 0; 1793 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) 1794 { 1795 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i); 1796 if (pkey_ctrl_string(pkctx, sigopt) <= 0) 1797 { 1798 BIO_printf(err, "parameter error \"%s\"\n", sigopt); 1799 ERR_print_errors(bio_err); 1800 return 0; 1801 } 1802 } 1803 return 1; 1804 } 1805 1806 int do_X509_sign(BIO *err, X509 *x, EVP_PKEY *pkey, const EVP_MD *md, 1807 STACK_OF(OPENSSL_STRING) *sigopts) 1808 { 1809 int rv; 1810 EVP_MD_CTX mctx; 1811 EVP_MD_CTX_init(&mctx); 1812 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1813 if (rv > 0) 1814 rv = X509_sign_ctx(x, &mctx); 1815 EVP_MD_CTX_cleanup(&mctx); 1816 return rv > 0 ? 1 : 0; 1817 } 1818 1819 1820 int do_X509_REQ_sign(BIO *err, X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md, 1821 STACK_OF(OPENSSL_STRING) *sigopts) 1822 { 1823 int rv; 1824 EVP_MD_CTX mctx; 1825 EVP_MD_CTX_init(&mctx); 1826 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1827 if (rv > 0) 1828 rv = X509_REQ_sign_ctx(x, &mctx); 1829 EVP_MD_CTX_cleanup(&mctx); 1830 return rv > 0 ? 1 : 0; 1831 } 1832 1833 1834 1835 int do_X509_CRL_sign(BIO *err, X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md, 1836 STACK_OF(OPENSSL_STRING) *sigopts) 1837 { 1838 int rv; 1839 EVP_MD_CTX mctx; 1840 EVP_MD_CTX_init(&mctx); 1841 rv = do_sign_init(err, &mctx, pkey, md, sigopts); 1842 if (rv > 0) 1843 rv = X509_CRL_sign_ctx(x, &mctx); 1844 EVP_MD_CTX_cleanup(&mctx); 1845 return rv > 0 ? 1 : 0; 1846 } 1847 1848 1849
