1 /* apps/req.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <time.h> 62 #include <string.h> 63 #ifdef OPENSSL_NO_STDIO 64 #define APPS_WIN16 65 #endif 66 #include "apps.h" 67 #include <openssl/bio.h> 68 #include <openssl/evp.h> 69 #include <openssl/conf.h> 70 #include <openssl/err.h> 71 #include <openssl/asn1.h> 72 #include <openssl/x509.h> 73 #include <openssl/x509v3.h> 74 #include <openssl/objects.h> 75 #include <openssl/pem.h> 76 #include "../crypto/cryptlib.h" 77 78 #define SECTION "req" 79 80 #define BITS "default_bits" 81 #define KEYFILE "default_keyfile" 82 #define PROMPT "prompt" 83 #define DISTINGUISHED_NAME "distinguished_name" 84 #define ATTRIBUTES "attributes" 85 #define V3_EXTENSIONS "x509_extensions" 86 #define REQ_EXTENSIONS "req_extensions" 87 #define STRING_MASK "string_mask" 88 #define UTF8_IN "utf8" 89 90 #define DEFAULT_KEY_LENGTH 512 91 #define MIN_KEY_LENGTH 384 92 93 #undef PROG 94 #define PROG req_main 95 96 /* -inform arg - input format - default PEM (DER or PEM) 97 * -outform arg - output format - default PEM 98 * -in arg - input file - default stdin 99 * -out arg - output file - default stdout 100 * -verify - check request signature 101 * -noout - don't print stuff out. 102 * -text - print out human readable text. 103 * -nodes - no des encryption 104 * -config file - Load configuration file. 105 * -key file - make a request using key in file (or use it for verification). 106 * -keyform arg - key file format. 107 * -rand file(s) - load the file(s) into the PRNG. 108 * -newkey - make a key and a request. 109 * -modulus - print RSA modulus. 110 * -pubkey - output Public Key. 111 * -x509 - output a self signed X509 structure instead. 112 * -asn1-kludge - output new certificate request in a format that some CA's 113 * require. This format is wrong 114 */ 115 116 static int make_REQ(X509_REQ *req,EVP_PKEY *pkey,char *dn,int attribs, 117 unsigned long chtype); 118 static int build_subject(X509_REQ *req, char *subj, unsigned long chtype); 119 static int prompt_info(X509_REQ *req, 120 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 121 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs, 122 unsigned long chtype); 123 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk, 124 STACK_OF(CONF_VALUE) *attr, int attribs, 125 unsigned long chtype); 126 static int add_attribute_object(X509_REQ *req, char *text, 127 char *def, char *value, int nid, int n_min, 128 int n_max, unsigned long chtype); 129 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 130 int nid,int n_min,int n_max, unsigned long chtype); 131 #ifndef OPENSSL_NO_RSA 132 static void MS_CALLBACK req_cb(int p,int n,void *arg); 133 #endif 134 static int req_check_len(int len,int n_min,int n_max); 135 static int check_end(char *str, char *end); 136 #ifndef MONOLITH 137 static char *default_config_file=NULL; 138 #endif 139 static CONF *req_conf=NULL; 140 static int batch=0; 141 142 #define TYPE_RSA 1 143 #define TYPE_DSA 2 144 #define TYPE_DH 3 145 146 int MAIN(int, char **); 147 148 int MAIN(int argc, char **argv) 149 { 150 ENGINE *e = NULL; 151 #ifndef OPENSSL_NO_DSA 152 DSA *dsa_params=NULL; 153 #endif 154 unsigned long nmflag = 0, reqflag = 0; 155 int ex=1,x509=0,days=30; 156 X509 *x509ss=NULL; 157 X509_REQ *req=NULL; 158 EVP_PKEY *pkey=NULL; 159 int i=0,badops=0,newreq=0,verbose=0,pkey_type=TYPE_RSA; 160 long newkey = -1; 161 BIO *in=NULL,*out=NULL; 162 int informat,outformat,verify=0,noout=0,text=0,keyform=FORMAT_PEM; 163 int nodes=0,kludge=0,newhdr=0,subject=0,pubkey=0; 164 char *infile,*outfile,*prog,*keyfile=NULL,*template=NULL,*keyout=NULL; 165 char *engine=NULL; 166 char *extensions = NULL; 167 char *req_exts = NULL; 168 const EVP_CIPHER *cipher=NULL; 169 ASN1_INTEGER *serial = NULL; 170 int modulus=0; 171 char *inrand=NULL; 172 char *passargin = NULL, *passargout = NULL; 173 char *passin = NULL, *passout = NULL; 174 char *p; 175 char *subj = NULL; 176 const EVP_MD *md_alg=NULL,*digest=EVP_md5(); 177 unsigned long chtype = MBSTRING_ASC; 178 #ifndef MONOLITH 179 char *to_free; 180 long errline; 181 #endif 182 183 req_conf = NULL; 184 #ifndef OPENSSL_NO_DES 185 cipher=EVP_des_ede3_cbc(); 186 #endif 187 apps_startup(); 188 189 if (bio_err == NULL) 190 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 191 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 192 193 infile=NULL; 194 outfile=NULL; 195 informat=FORMAT_PEM; 196 outformat=FORMAT_PEM; 197 198 prog=argv[0]; 199 argc--; 200 argv++; 201 while (argc >= 1) 202 { 203 if (strcmp(*argv,"-inform") == 0) 204 { 205 if (--argc < 1) goto bad; 206 informat=str2fmt(*(++argv)); 207 } 208 else if (strcmp(*argv,"-outform") == 0) 209 { 210 if (--argc < 1) goto bad; 211 outformat=str2fmt(*(++argv)); 212 } 213 else if (strcmp(*argv,"-engine") == 0) 214 { 215 if (--argc < 1) goto bad; 216 engine= *(++argv); 217 } 218 else if (strcmp(*argv,"-key") == 0) 219 { 220 if (--argc < 1) goto bad; 221 keyfile= *(++argv); 222 } 223 else if (strcmp(*argv,"-pubkey") == 0) 224 { 225 pubkey=1; 226 } 227 else if (strcmp(*argv,"-new") == 0) 228 { 229 newreq=1; 230 } 231 else if (strcmp(*argv,"-config") == 0) 232 { 233 if (--argc < 1) goto bad; 234 template= *(++argv); 235 } 236 else if (strcmp(*argv,"-keyform") == 0) 237 { 238 if (--argc < 1) goto bad; 239 keyform=str2fmt(*(++argv)); 240 } 241 else if (strcmp(*argv,"-in") == 0) 242 { 243 if (--argc < 1) goto bad; 244 infile= *(++argv); 245 } 246 else if (strcmp(*argv,"-out") == 0) 247 { 248 if (--argc < 1) goto bad; 249 outfile= *(++argv); 250 } 251 else if (strcmp(*argv,"-keyout") == 0) 252 { 253 if (--argc < 1) goto bad; 254 keyout= *(++argv); 255 } 256 else if (strcmp(*argv,"-passin") == 0) 257 { 258 if (--argc < 1) goto bad; 259 passargin= *(++argv); 260 } 261 else if (strcmp(*argv,"-passout") == 0) 262 { 263 if (--argc < 1) goto bad; 264 passargout= *(++argv); 265 } 266 else if (strcmp(*argv,"-rand") == 0) 267 { 268 if (--argc < 1) goto bad; 269 inrand= *(++argv); 270 } 271 else if (strcmp(*argv,"-newkey") == 0) 272 { 273 int is_numeric; 274 275 if (--argc < 1) goto bad; 276 p= *(++argv); 277 is_numeric = p[0] >= '0' && p[0] <= '9'; 278 if (strncmp("rsa:",p,4) == 0 || is_numeric) 279 { 280 pkey_type=TYPE_RSA; 281 if(!is_numeric) 282 p+=4; 283 newkey= atoi(p); 284 } 285 else 286 #ifndef OPENSSL_NO_DSA 287 if (strncmp("dsa:",p,4) == 0) 288 { 289 X509 *xtmp=NULL; 290 EVP_PKEY *dtmp; 291 292 pkey_type=TYPE_DSA; 293 p+=4; 294 if ((in=BIO_new_file(p,"r")) == NULL) 295 { 296 perror(p); 297 goto end; 298 } 299 if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL,NULL)) == NULL) 300 { 301 ERR_clear_error(); 302 (void)BIO_reset(in); 303 if ((xtmp=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) 304 { 305 BIO_printf(bio_err,"unable to load DSA parameters from file\n"); 306 goto end; 307 } 308 309 if ((dtmp=X509_get_pubkey(xtmp)) == NULL) goto end; 310 if (dtmp->type == EVP_PKEY_DSA) 311 dsa_params=DSAparams_dup(dtmp->pkey.dsa); 312 EVP_PKEY_free(dtmp); 313 X509_free(xtmp); 314 if (dsa_params == NULL) 315 { 316 BIO_printf(bio_err,"Certificate does not contain DSA parameters\n"); 317 goto end; 318 } 319 } 320 BIO_free(in); 321 newkey=BN_num_bits(dsa_params->p); 322 in=NULL; 323 } 324 else 325 #endif 326 #ifndef OPENSSL_NO_DH 327 if (strncmp("dh:",p,4) == 0) 328 { 329 pkey_type=TYPE_DH; 330 p+=3; 331 } 332 else 333 #endif 334 pkey_type=TYPE_RSA; 335 336 newreq=1; 337 } 338 else if (strcmp(*argv,"-batch") == 0) 339 batch=1; 340 else if (strcmp(*argv,"-newhdr") == 0) 341 newhdr=1; 342 else if (strcmp(*argv,"-modulus") == 0) 343 modulus=1; 344 else if (strcmp(*argv,"-verify") == 0) 345 verify=1; 346 else if (strcmp(*argv,"-nodes") == 0) 347 nodes=1; 348 else if (strcmp(*argv,"-noout") == 0) 349 noout=1; 350 else if (strcmp(*argv,"-verbose") == 0) 351 verbose=1; 352 else if (strcmp(*argv,"-utf8") == 0) 353 chtype = MBSTRING_UTF8; 354 else if (strcmp(*argv,"-nameopt") == 0) 355 { 356 if (--argc < 1) goto bad; 357 if (!set_name_ex(&nmflag, *(++argv))) goto bad; 358 } 359 else if (strcmp(*argv,"-reqopt") == 0) 360 { 361 if (--argc < 1) goto bad; 362 if (!set_cert_ex(&reqflag, *(++argv))) goto bad; 363 } 364 else if (strcmp(*argv,"-subject") == 0) 365 subject=1; 366 else if (strcmp(*argv,"-text") == 0) 367 text=1; 368 else if (strcmp(*argv,"-x509") == 0) 369 x509=1; 370 else if (strcmp(*argv,"-asn1-kludge") == 0) 371 kludge=1; 372 else if (strcmp(*argv,"-no-asn1-kludge") == 0) 373 kludge=0; 374 else if (strcmp(*argv,"-subj") == 0) 375 { 376 if (--argc < 1) goto bad; 377 subj= *(++argv); 378 } 379 else if (strcmp(*argv,"-days") == 0) 380 { 381 if (--argc < 1) goto bad; 382 days= atoi(*(++argv)); 383 if (days == 0) days=30; 384 } 385 else if (strcmp(*argv,"-set_serial") == 0) 386 { 387 if (--argc < 1) goto bad; 388 serial = s2i_ASN1_INTEGER(NULL, *(++argv)); 389 if (!serial) goto bad; 390 } 391 else if ((md_alg=EVP_get_digestbyname(&((*argv)[1]))) != NULL) 392 { 393 /* ok */ 394 digest=md_alg; 395 } 396 else if (strcmp(*argv,"-extensions") == 0) 397 { 398 if (--argc < 1) goto bad; 399 extensions = *(++argv); 400 } 401 else if (strcmp(*argv,"-reqexts") == 0) 402 { 403 if (--argc < 1) goto bad; 404 req_exts = *(++argv); 405 } 406 else 407 { 408 BIO_printf(bio_err,"unknown option %s\n",*argv); 409 badops=1; 410 break; 411 } 412 argc--; 413 argv++; 414 } 415 416 if (badops) 417 { 418 bad: 419 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog); 420 BIO_printf(bio_err,"where options are\n"); 421 BIO_printf(bio_err," -inform arg input format - DER or PEM\n"); 422 BIO_printf(bio_err," -outform arg output format - DER or PEM\n"); 423 BIO_printf(bio_err," -in arg input file\n"); 424 BIO_printf(bio_err," -out arg output file\n"); 425 BIO_printf(bio_err," -text text form of request\n"); 426 BIO_printf(bio_err," -pubkey output public key\n"); 427 BIO_printf(bio_err," -noout do not output REQ\n"); 428 BIO_printf(bio_err," -verify verify signature on REQ\n"); 429 BIO_printf(bio_err," -modulus RSA modulus\n"); 430 BIO_printf(bio_err," -nodes don't encrypt the output key\n"); 431 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device\n"); 432 BIO_printf(bio_err," -subject output the request's subject\n"); 433 BIO_printf(bio_err," -passin private key password source\n"); 434 BIO_printf(bio_err," -key file use the private key contained in file\n"); 435 BIO_printf(bio_err," -keyform arg key file format\n"); 436 BIO_printf(bio_err," -keyout arg file to send the key to\n"); 437 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 438 BIO_printf(bio_err," load the file (or the files in the directory) into\n"); 439 BIO_printf(bio_err," the random number generator\n"); 440 BIO_printf(bio_err," -newkey rsa:bits generate a new RSA key of 'bits' in size\n"); 441 BIO_printf(bio_err," -newkey dsa:file generate a new DSA key, parameters taken from CA in 'file'\n"); 442 BIO_printf(bio_err," -[digest] Digest to sign with (md5, sha1, md2, mdc2, md4)\n"); 443 BIO_printf(bio_err," -config file request template file.\n"); 444 BIO_printf(bio_err," -subj arg set or modify request subject\n"); 445 BIO_printf(bio_err," -new new request.\n"); 446 BIO_printf(bio_err," -batch do not ask anything during request generation\n"); 447 BIO_printf(bio_err," -x509 output a x509 structure instead of a cert. req.\n"); 448 BIO_printf(bio_err," -days number of days a certificate generated by -x509 is valid for.\n"); 449 BIO_printf(bio_err," -set_serial serial number to use for a certificate generated by -x509.\n"); 450 BIO_printf(bio_err," -newhdr output \"NEW\" in the header lines\n"); 451 BIO_printf(bio_err," -asn1-kludge Output the 'request' in a format that is wrong but some CA's\n"); 452 BIO_printf(bio_err," have been reported as requiring\n"); 453 BIO_printf(bio_err," -extensions .. specify certificate extension section (override value in config file)\n"); 454 BIO_printf(bio_err," -reqexts .. specify request extension section (override value in config file)\n"); 455 BIO_printf(bio_err," -utf8 input characters are UTF8 (default ASCII)\n"); 456 BIO_printf(bio_err," -nameopt arg - various certificate name options\n"); 457 BIO_printf(bio_err," -reqopt arg - various request text options\n\n"); 458 goto end; 459 } 460 461 ERR_load_crypto_strings(); 462 if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) { 463 BIO_printf(bio_err, "Error getting passwords\n"); 464 goto end; 465 } 466 467 #ifndef MONOLITH /* else this has happened in openssl.c (global `config') */ 468 /* Lets load up our environment a little */ 469 p=getenv("OPENSSL_CONF"); 470 if (p == NULL) 471 p=getenv("SSLEAY_CONF"); 472 if (p == NULL) 473 p=to_free=make_config_name(); 474 default_config_file=p; 475 config=NCONF_new(NULL); 476 i=NCONF_load(config, p, &errline); 477 #endif 478 479 if (template != NULL) 480 { 481 long errline = -1; 482 483 if( verbose ) 484 BIO_printf(bio_err,"Using configuration from %s\n",template); 485 req_conf=NCONF_new(NULL); 486 i=NCONF_load(req_conf,template,&errline); 487 if (i == 0) 488 { 489 BIO_printf(bio_err,"error on line %ld of %s\n",errline,template); 490 goto end; 491 } 492 } 493 else 494 { 495 req_conf=config; 496 if( verbose ) 497 BIO_printf(bio_err,"Using configuration from %s\n", 498 default_config_file); 499 if (req_conf == NULL) 500 { 501 BIO_printf(bio_err,"Unable to load config info\n"); 502 } 503 } 504 505 if (req_conf != NULL) 506 { 507 if (!load_config(bio_err, req_conf)) 508 goto end; 509 p=NCONF_get_string(req_conf,NULL,"oid_file"); 510 if (p == NULL) 511 ERR_clear_error(); 512 if (p != NULL) 513 { 514 BIO *oid_bio; 515 516 oid_bio=BIO_new_file(p,"r"); 517 if (oid_bio == NULL) 518 { 519 /* 520 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p); 521 ERR_print_errors(bio_err); 522 */ 523 } 524 else 525 { 526 OBJ_create_objects(oid_bio); 527 BIO_free(oid_bio); 528 } 529 } 530 } 531 if(!add_oid_section(bio_err, req_conf)) goto end; 532 533 if (md_alg == NULL) 534 { 535 p=NCONF_get_string(req_conf,SECTION,"default_md"); 536 if (p == NULL) 537 ERR_clear_error(); 538 if (p != NULL) 539 { 540 if ((md_alg=EVP_get_digestbyname(p)) != NULL) 541 digest=md_alg; 542 } 543 } 544 545 if (!extensions) 546 { 547 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS); 548 if (!extensions) 549 ERR_clear_error(); 550 } 551 if (extensions) { 552 /* Check syntax of file */ 553 X509V3_CTX ctx; 554 X509V3_set_ctx_test(&ctx); 555 X509V3_set_nconf(&ctx, req_conf); 556 if(!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) { 557 BIO_printf(bio_err, 558 "Error Loading extension section %s\n", extensions); 559 goto end; 560 } 561 } 562 563 if(!passin) 564 { 565 passin = NCONF_get_string(req_conf, SECTION, "input_password"); 566 if (!passin) 567 ERR_clear_error(); 568 } 569 570 if(!passout) 571 { 572 passout = NCONF_get_string(req_conf, SECTION, "output_password"); 573 if (!passout) 574 ERR_clear_error(); 575 } 576 577 p = NCONF_get_string(req_conf, SECTION, STRING_MASK); 578 if (!p) 579 ERR_clear_error(); 580 581 if(p && !ASN1_STRING_set_default_mask_asc(p)) { 582 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p); 583 goto end; 584 } 585 586 if (chtype != MBSTRING_UTF8) 587 { 588 p = NCONF_get_string(req_conf, SECTION, UTF8_IN); 589 if (!p) 590 ERR_clear_error(); 591 else if (!strcmp(p, "yes")) 592 chtype = MBSTRING_UTF8; 593 } 594 595 596 if(!req_exts) 597 { 598 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS); 599 if (!req_exts) 600 ERR_clear_error(); 601 } 602 if(req_exts) { 603 /* Check syntax of file */ 604 X509V3_CTX ctx; 605 X509V3_set_ctx_test(&ctx); 606 X509V3_set_nconf(&ctx, req_conf); 607 if(!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) { 608 BIO_printf(bio_err, 609 "Error Loading request extension section %s\n", 610 req_exts); 611 goto end; 612 } 613 } 614 615 in=BIO_new(BIO_s_file()); 616 out=BIO_new(BIO_s_file()); 617 if ((in == NULL) || (out == NULL)) 618 goto end; 619 620 e = setup_engine(bio_err, engine, 0); 621 622 if (keyfile != NULL) 623 { 624 pkey = load_key(bio_err, keyfile, keyform, 0, passin, e, 625 "Private Key"); 626 if (!pkey) 627 { 628 /* load_key() has already printed an appropriate 629 message */ 630 goto end; 631 } 632 if (EVP_PKEY_type(pkey->type) == EVP_PKEY_DSA) 633 { 634 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE"); 635 if (randfile == NULL) 636 ERR_clear_error(); 637 app_RAND_load_file(randfile, bio_err, 0); 638 } 639 } 640 641 if (newreq && (pkey == NULL)) 642 { 643 char *randfile = NCONF_get_string(req_conf,SECTION,"RANDFILE"); 644 if (randfile == NULL) 645 ERR_clear_error(); 646 app_RAND_load_file(randfile, bio_err, 0); 647 if (inrand) 648 app_RAND_load_files(inrand); 649 650 if (newkey <= 0) 651 { 652 if (!NCONF_get_number(req_conf,SECTION,BITS, &newkey)) 653 newkey=DEFAULT_KEY_LENGTH; 654 } 655 656 if (newkey < MIN_KEY_LENGTH) 657 { 658 BIO_printf(bio_err,"private key length is too short,\n"); 659 BIO_printf(bio_err,"it needs to be at least %d bits, not %d\n",MIN_KEY_LENGTH,newkey); 660 goto end; 661 } 662 BIO_printf(bio_err,"Generating a %d bit %s private key\n", 663 newkey,(pkey_type == TYPE_RSA)?"RSA":"DSA"); 664 665 if ((pkey=EVP_PKEY_new()) == NULL) goto end; 666 667 #ifndef OPENSSL_NO_RSA 668 if (pkey_type == TYPE_RSA) 669 { 670 if (!EVP_PKEY_assign_RSA(pkey, 671 RSA_generate_key(newkey,0x10001, 672 req_cb,bio_err))) 673 goto end; 674 } 675 else 676 #endif 677 #ifndef OPENSSL_NO_DSA 678 if (pkey_type == TYPE_DSA) 679 { 680 if (!DSA_generate_key(dsa_params)) goto end; 681 if (!EVP_PKEY_assign_DSA(pkey,dsa_params)) goto end; 682 dsa_params=NULL; 683 } 684 #endif 685 686 app_RAND_write_file(randfile, bio_err); 687 688 if (pkey == NULL) goto end; 689 690 if (keyout == NULL) 691 { 692 keyout=NCONF_get_string(req_conf,SECTION,KEYFILE); 693 if (keyout == NULL) 694 ERR_clear_error(); 695 } 696 697 if (keyout == NULL) 698 { 699 BIO_printf(bio_err,"writing new private key to stdout\n"); 700 BIO_set_fp(out,stdout,BIO_NOCLOSE); 701 #ifdef OPENSSL_SYS_VMS 702 { 703 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 704 out = BIO_push(tmpbio, out); 705 } 706 #endif 707 } 708 else 709 { 710 BIO_printf(bio_err,"writing new private key to '%s'\n",keyout); 711 if (BIO_write_filename(out,keyout) <= 0) 712 { 713 perror(keyout); 714 goto end; 715 } 716 } 717 718 p=NCONF_get_string(req_conf,SECTION,"encrypt_rsa_key"); 719 if (p == NULL) 720 { 721 ERR_clear_error(); 722 p=NCONF_get_string(req_conf,SECTION,"encrypt_key"); 723 if (p == NULL) 724 ERR_clear_error(); 725 } 726 if ((p != NULL) && (strcmp(p,"no") == 0)) 727 cipher=NULL; 728 if (nodes) cipher=NULL; 729 730 i=0; 731 loop: 732 if (!PEM_write_bio_PrivateKey(out,pkey,cipher, 733 NULL,0,NULL,passout)) 734 { 735 if ((ERR_GET_REASON(ERR_peek_error()) == 736 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) 737 { 738 ERR_clear_error(); 739 i++; 740 goto loop; 741 } 742 goto end; 743 } 744 BIO_printf(bio_err,"-----\n"); 745 } 746 747 if (!newreq) 748 { 749 /* Since we are using a pre-existing certificate 750 * request, the kludge 'format' info should not be 751 * changed. */ 752 kludge= -1; 753 if (infile == NULL) 754 BIO_set_fp(in,stdin,BIO_NOCLOSE); 755 else 756 { 757 if (BIO_read_filename(in,infile) <= 0) 758 { 759 perror(infile); 760 goto end; 761 } 762 } 763 764 if (informat == FORMAT_ASN1) 765 req=d2i_X509_REQ_bio(in,NULL); 766 else if (informat == FORMAT_PEM) 767 req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL); 768 else 769 { 770 BIO_printf(bio_err,"bad input format specified for X509 request\n"); 771 goto end; 772 } 773 if (req == NULL) 774 { 775 BIO_printf(bio_err,"unable to load X509 request\n"); 776 goto end; 777 } 778 } 779 780 if (newreq || x509) 781 { 782 if (pkey == NULL) 783 { 784 BIO_printf(bio_err,"you need to specify a private key\n"); 785 goto end; 786 } 787 #ifndef OPENSSL_NO_DSA 788 if (pkey->type == EVP_PKEY_DSA) 789 digest=EVP_dss1(); 790 #endif 791 if (req == NULL) 792 { 793 req=X509_REQ_new(); 794 if (req == NULL) 795 { 796 goto end; 797 } 798 799 i=make_REQ(req,pkey,subj,!x509, chtype); 800 subj=NULL; /* done processing '-subj' option */ 801 if ((kludge > 0) && !sk_X509_ATTRIBUTE_num(req->req_info->attributes)) 802 { 803 sk_X509_ATTRIBUTE_free(req->req_info->attributes); 804 req->req_info->attributes = NULL; 805 } 806 if (!i) 807 { 808 BIO_printf(bio_err,"problems making Certificate Request\n"); 809 goto end; 810 } 811 } 812 if (x509) 813 { 814 EVP_PKEY *tmppkey; 815 X509V3_CTX ext_ctx; 816 if ((x509ss=X509_new()) == NULL) goto end; 817 818 /* Set version to V3 */ 819 if(!X509_set_version(x509ss, 2)) goto end; 820 if (serial) 821 { 822 if (!X509_set_serialNumber(x509ss, serial)) goto end; 823 } 824 else 825 { 826 if (!ASN1_INTEGER_set(X509_get_serialNumber(x509ss),0L)) goto end; 827 } 828 829 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 830 if (!X509_gmtime_adj(X509_get_notBefore(x509ss),0)) goto end; 831 if (!X509_gmtime_adj(X509_get_notAfter(x509ss), (long)60*60*24*days)) goto end; 832 if (!X509_set_subject_name(x509ss, X509_REQ_get_subject_name(req))) goto end; 833 tmppkey = X509_REQ_get_pubkey(req); 834 if (!tmppkey || !X509_set_pubkey(x509ss,tmppkey)) goto end; 835 EVP_PKEY_free(tmppkey); 836 837 /* Set up V3 context struct */ 838 839 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0); 840 X509V3_set_nconf(&ext_ctx, req_conf); 841 842 /* Add extensions */ 843 if(extensions && !X509V3_EXT_add_nconf(req_conf, 844 &ext_ctx, extensions, x509ss)) 845 { 846 BIO_printf(bio_err, 847 "Error Loading extension section %s\n", 848 extensions); 849 goto end; 850 } 851 852 if (!(i=X509_sign(x509ss,pkey,digest))) 853 goto end; 854 } 855 else 856 { 857 X509V3_CTX ext_ctx; 858 859 /* Set up V3 context struct */ 860 861 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0); 862 X509V3_set_nconf(&ext_ctx, req_conf); 863 864 /* Add extensions */ 865 if(req_exts && !X509V3_EXT_REQ_add_nconf(req_conf, 866 &ext_ctx, req_exts, req)) 867 { 868 BIO_printf(bio_err, 869 "Error Loading extension section %s\n", 870 req_exts); 871 goto end; 872 } 873 if (!(i=X509_REQ_sign(req,pkey,digest))) 874 goto end; 875 } 876 } 877 878 if (subj && x509) 879 { 880 BIO_printf(bio_err, "Cannot modifiy certificate subject\n"); 881 goto end; 882 } 883 884 if (subj && !x509) 885 { 886 if (verbose) 887 { 888 BIO_printf(bio_err, "Modifying Request's Subject\n"); 889 print_name(bio_err, "old subject=", X509_REQ_get_subject_name(req), nmflag); 890 } 891 892 if (build_subject(req, subj, chtype) == 0) 893 { 894 BIO_printf(bio_err, "ERROR: cannot modify subject\n"); 895 ex=1; 896 goto end; 897 } 898 899 req->req_info->enc.modified = 1; 900 901 if (verbose) 902 { 903 print_name(bio_err, "new subject=", X509_REQ_get_subject_name(req), nmflag); 904 } 905 } 906 907 if (verify && !x509) 908 { 909 int tmp=0; 910 911 if (pkey == NULL) 912 { 913 pkey=X509_REQ_get_pubkey(req); 914 tmp=1; 915 if (pkey == NULL) goto end; 916 } 917 918 i=X509_REQ_verify(req,pkey); 919 if (tmp) { 920 EVP_PKEY_free(pkey); 921 pkey=NULL; 922 } 923 924 if (i < 0) 925 { 926 goto end; 927 } 928 else if (i == 0) 929 { 930 BIO_printf(bio_err,"verify failure\n"); 931 ERR_print_errors(bio_err); 932 } 933 else /* if (i > 0) */ 934 BIO_printf(bio_err,"verify OK\n"); 935 } 936 937 if (noout && !text && !modulus && !subject && !pubkey) 938 { 939 ex=0; 940 goto end; 941 } 942 943 if (outfile == NULL) 944 { 945 BIO_set_fp(out,stdout,BIO_NOCLOSE); 946 #ifdef OPENSSL_SYS_VMS 947 { 948 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 949 out = BIO_push(tmpbio, out); 950 } 951 #endif 952 } 953 else 954 { 955 if ((keyout != NULL) && (strcmp(outfile,keyout) == 0)) 956 i=(int)BIO_append_filename(out,outfile); 957 else 958 i=(int)BIO_write_filename(out,outfile); 959 if (!i) 960 { 961 perror(outfile); 962 goto end; 963 } 964 } 965 966 if (pubkey) 967 { 968 EVP_PKEY *tpubkey; 969 tpubkey=X509_REQ_get_pubkey(req); 970 if (tpubkey == NULL) 971 { 972 BIO_printf(bio_err,"Error getting public key\n"); 973 ERR_print_errors(bio_err); 974 goto end; 975 } 976 PEM_write_bio_PUBKEY(out, tpubkey); 977 EVP_PKEY_free(tpubkey); 978 } 979 980 if (text) 981 { 982 if (x509) 983 X509_print_ex(out, x509ss, nmflag, reqflag); 984 else 985 X509_REQ_print_ex(out, req, nmflag, reqflag); 986 } 987 988 if(subject) 989 { 990 if(x509) 991 print_name(out, "subject=", X509_get_subject_name(x509ss), nmflag); 992 else 993 print_name(out, "subject=", X509_REQ_get_subject_name(req), nmflag); 994 } 995 996 if (modulus) 997 { 998 EVP_PKEY *tpubkey; 999 1000 if (x509) 1001 tpubkey=X509_get_pubkey(x509ss); 1002 else 1003 tpubkey=X509_REQ_get_pubkey(req); 1004 if (tpubkey == NULL) 1005 { 1006 fprintf(stdout,"Modulus=unavailable\n"); 1007 goto end; 1008 } 1009 fprintf(stdout,"Modulus="); 1010 #ifndef OPENSSL_NO_RSA 1011 if (tpubkey->type == EVP_PKEY_RSA) 1012 BN_print(out,tpubkey->pkey.rsa->n); 1013 else 1014 #endif 1015 fprintf(stdout,"Wrong Algorithm type"); 1016 EVP_PKEY_free(tpubkey); 1017 fprintf(stdout,"\n"); 1018 } 1019 1020 if (!noout && !x509) 1021 { 1022 if (outformat == FORMAT_ASN1) 1023 i=i2d_X509_REQ_bio(out,req); 1024 else if (outformat == FORMAT_PEM) { 1025 if(newhdr) i=PEM_write_bio_X509_REQ_NEW(out,req); 1026 else i=PEM_write_bio_X509_REQ(out,req); 1027 } else { 1028 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1029 goto end; 1030 } 1031 if (!i) 1032 { 1033 BIO_printf(bio_err,"unable to write X509 request\n"); 1034 goto end; 1035 } 1036 } 1037 if (!noout && x509 && (x509ss != NULL)) 1038 { 1039 if (outformat == FORMAT_ASN1) 1040 i=i2d_X509_bio(out,x509ss); 1041 else if (outformat == FORMAT_PEM) 1042 i=PEM_write_bio_X509(out,x509ss); 1043 else { 1044 BIO_printf(bio_err,"bad output format specified for outfile\n"); 1045 goto end; 1046 } 1047 if (!i) 1048 { 1049 BIO_printf(bio_err,"unable to write X509 certificate\n"); 1050 goto end; 1051 } 1052 } 1053 ex=0; 1054 end: 1055 #ifndef MONOLITH 1056 if(to_free) 1057 OPENSSL_free(to_free); 1058 #endif 1059 if (ex) 1060 { 1061 ERR_print_errors(bio_err); 1062 } 1063 if ((req_conf != NULL) && (req_conf != config)) NCONF_free(req_conf); 1064 BIO_free(in); 1065 BIO_free_all(out); 1066 EVP_PKEY_free(pkey); 1067 X509_REQ_free(req); 1068 X509_free(x509ss); 1069 ASN1_INTEGER_free(serial); 1070 if(passargin && passin) OPENSSL_free(passin); 1071 if(passargout && passout) OPENSSL_free(passout); 1072 OBJ_cleanup(); 1073 #ifndef OPENSSL_NO_DSA 1074 if (dsa_params != NULL) DSA_free(dsa_params); 1075 #endif 1076 apps_shutdown(); 1077 OPENSSL_EXIT(ex); 1078 } 1079 1080 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int attribs, 1081 unsigned long chtype) 1082 { 1083 int ret=0,i; 1084 char no_prompt = 0; 1085 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL; 1086 char *tmp, *dn_sect,*attr_sect; 1087 1088 tmp=NCONF_get_string(req_conf,SECTION,PROMPT); 1089 if (tmp == NULL) 1090 ERR_clear_error(); 1091 if((tmp != NULL) && !strcmp(tmp, "no")) no_prompt = 1; 1092 1093 dn_sect=NCONF_get_string(req_conf,SECTION,DISTINGUISHED_NAME); 1094 if (dn_sect == NULL) 1095 { 1096 BIO_printf(bio_err,"unable to find '%s' in config\n", 1097 DISTINGUISHED_NAME); 1098 goto err; 1099 } 1100 dn_sk=NCONF_get_section(req_conf,dn_sect); 1101 if (dn_sk == NULL) 1102 { 1103 BIO_printf(bio_err,"unable to get '%s' section\n",dn_sect); 1104 goto err; 1105 } 1106 1107 attr_sect=NCONF_get_string(req_conf,SECTION,ATTRIBUTES); 1108 if (attr_sect == NULL) 1109 { 1110 ERR_clear_error(); 1111 attr_sk=NULL; 1112 } 1113 else 1114 { 1115 attr_sk=NCONF_get_section(req_conf,attr_sect); 1116 if (attr_sk == NULL) 1117 { 1118 BIO_printf(bio_err,"unable to get '%s' section\n",attr_sect); 1119 goto err; 1120 } 1121 } 1122 1123 /* setup version number */ 1124 if (!X509_REQ_set_version(req,0L)) goto err; /* version 1 */ 1125 1126 if (no_prompt) 1127 i = auto_info(req, dn_sk, attr_sk, attribs, chtype); 1128 else 1129 { 1130 if (subj) 1131 i = build_subject(req, subj, chtype); 1132 else 1133 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs, chtype); 1134 } 1135 if(!i) goto err; 1136 1137 if (!X509_REQ_set_pubkey(req,pkey)) goto err; 1138 1139 ret=1; 1140 err: 1141 return(ret); 1142 } 1143 1144 /* 1145 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 1146 * where characters may be escaped by \ 1147 */ 1148 static int build_subject(X509_REQ *req, char *subject, unsigned long chtype) 1149 { 1150 X509_NAME *n; 1151 1152 if (!(n = do_subject(subject, chtype))) 1153 return 0; 1154 1155 if (!X509_REQ_set_subject_name(req, n)) 1156 { 1157 X509_NAME_free(n); 1158 return 0; 1159 } 1160 X509_NAME_free(n); 1161 return 1; 1162 } 1163 1164 1165 static int prompt_info(X509_REQ *req, 1166 STACK_OF(CONF_VALUE) *dn_sk, char *dn_sect, 1167 STACK_OF(CONF_VALUE) *attr_sk, char *attr_sect, int attribs, 1168 unsigned long chtype) 1169 { 1170 int i; 1171 char *p,*q; 1172 char buf[100]; 1173 int nid; 1174 long n_min,n_max; 1175 char *type,*def,*value; 1176 CONF_VALUE *v; 1177 X509_NAME *subj; 1178 subj = X509_REQ_get_subject_name(req); 1179 1180 if(!batch) 1181 { 1182 BIO_printf(bio_err,"You are about to be asked to enter information that will be incorporated\n"); 1183 BIO_printf(bio_err,"into your certificate request.\n"); 1184 BIO_printf(bio_err,"What you are about to enter is what is called a Distinguished Name or a DN.\n"); 1185 BIO_printf(bio_err,"There are quite a few fields but you can leave some blank\n"); 1186 BIO_printf(bio_err,"For some fields there will be a default value,\n"); 1187 BIO_printf(bio_err,"If you enter '.', the field will be left blank.\n"); 1188 BIO_printf(bio_err,"-----\n"); 1189 } 1190 1191 1192 if (sk_CONF_VALUE_num(dn_sk)) 1193 { 1194 i= -1; 1195 start: for (;;) 1196 { 1197 i++; 1198 if (sk_CONF_VALUE_num(dn_sk) <= i) break; 1199 1200 v=sk_CONF_VALUE_value(dn_sk,i); 1201 p=q=NULL; 1202 type=v->name; 1203 if(!check_end(type,"_min") || !check_end(type,"_max") || 1204 !check_end(type,"_default") || 1205 !check_end(type,"_value")) continue; 1206 /* Skip past any leading X. X: X, etc to allow for 1207 * multiple instances 1208 */ 1209 for(p = v->name; *p ; p++) 1210 if ((*p == ':') || (*p == ',') || 1211 (*p == '.')) { 1212 p++; 1213 if(*p) type = p; 1214 break; 1215 } 1216 /* If OBJ not recognised ignore it */ 1217 if ((nid=OBJ_txt2nid(type)) == NID_undef) goto start; 1218 1219 if(strlen(v->name) > sizeof buf-9) 1220 { 1221 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1222 return 0; 1223 } 1224 1225 sprintf(buf,"%s_default",v->name); 1226 if ((def=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1227 { 1228 ERR_clear_error(); 1229 def=""; 1230 } 1231 sprintf(buf,"%s_value",v->name); 1232 if ((value=NCONF_get_string(req_conf,dn_sect,buf)) == NULL) 1233 { 1234 ERR_clear_error(); 1235 value=NULL; 1236 } 1237 1238 sprintf(buf,"%s_min",v->name); 1239 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_min)) 1240 n_min = -1; 1241 1242 sprintf(buf,"%s_max",v->name); 1243 if (!NCONF_get_number(req_conf,dn_sect,buf, &n_max)) 1244 n_max = -1; 1245 1246 if (!add_DN_object(subj,v->value,def,value,nid, 1247 n_min,n_max, chtype)) 1248 return 0; 1249 } 1250 if (X509_NAME_entry_count(subj) == 0) 1251 { 1252 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1253 return 0; 1254 } 1255 1256 if (attribs) 1257 { 1258 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0) && (!batch)) 1259 { 1260 BIO_printf(bio_err,"\nPlease enter the following 'extra' attributes\n"); 1261 BIO_printf(bio_err,"to be sent with your certificate request\n"); 1262 } 1263 1264 i= -1; 1265 start2: for (;;) 1266 { 1267 i++; 1268 if ((attr_sk == NULL) || 1269 (sk_CONF_VALUE_num(attr_sk) <= i)) 1270 break; 1271 1272 v=sk_CONF_VALUE_value(attr_sk,i); 1273 type=v->name; 1274 if ((nid=OBJ_txt2nid(type)) == NID_undef) 1275 goto start2; 1276 1277 if(strlen(v->name) > sizeof buf-9) 1278 { 1279 BIO_printf(bio_err,"Name '%s' too long\n",v->name); 1280 return 0; 1281 } 1282 1283 sprintf(buf,"%s_default",type); 1284 if ((def=NCONF_get_string(req_conf,attr_sect,buf)) 1285 == NULL) 1286 { 1287 ERR_clear_error(); 1288 def=""; 1289 } 1290 1291 1292 sprintf(buf,"%s_value",type); 1293 if ((value=NCONF_get_string(req_conf,attr_sect,buf)) 1294 == NULL) 1295 { 1296 ERR_clear_error(); 1297 value=NULL; 1298 } 1299 1300 sprintf(buf,"%s_min",type); 1301 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_min)) 1302 n_min = -1; 1303 1304 sprintf(buf,"%s_max",type); 1305 if (!NCONF_get_number(req_conf,attr_sect,buf, &n_max)) 1306 n_max = -1; 1307 1308 if (!add_attribute_object(req, 1309 v->value,def,value,nid,n_min,n_max, chtype)) 1310 return 0; 1311 } 1312 } 1313 } 1314 else 1315 { 1316 BIO_printf(bio_err,"No template, please set one up.\n"); 1317 return 0; 1318 } 1319 1320 return 1; 1321 1322 } 1323 1324 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk, 1325 STACK_OF(CONF_VALUE) *attr_sk, int attribs, unsigned long chtype) 1326 { 1327 int i; 1328 char *p,*q; 1329 char *type; 1330 CONF_VALUE *v; 1331 X509_NAME *subj; 1332 1333 subj = X509_REQ_get_subject_name(req); 1334 1335 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) 1336 { 1337 v=sk_CONF_VALUE_value(dn_sk,i); 1338 p=q=NULL; 1339 type=v->name; 1340 /* Skip past any leading X. X: X, etc to allow for 1341 * multiple instances 1342 */ 1343 for(p = v->name; *p ; p++) 1344 #ifndef CHARSET_EBCDIC 1345 if ((*p == ':') || (*p == ',') || (*p == '.')) { 1346 #else 1347 if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.'])) { 1348 #endif 1349 p++; 1350 if(*p) type = p; 1351 break; 1352 } 1353 if (!X509_NAME_add_entry_by_txt(subj,type, chtype, 1354 (unsigned char *) v->value,-1,-1,0)) return 0; 1355 1356 } 1357 1358 if (!X509_NAME_entry_count(subj)) 1359 { 1360 BIO_printf(bio_err,"error, no objects specified in config file\n"); 1361 return 0; 1362 } 1363 if (attribs) 1364 { 1365 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) 1366 { 1367 v=sk_CONF_VALUE_value(attr_sk,i); 1368 if(!X509_REQ_add1_attr_by_txt(req, v->name, chtype, 1369 (unsigned char *)v->value, -1)) return 0; 1370 } 1371 } 1372 return 1; 1373 } 1374 1375 1376 static int add_DN_object(X509_NAME *n, char *text, char *def, char *value, 1377 int nid, int n_min, int n_max, unsigned long chtype) 1378 { 1379 int i,ret=0; 1380 MS_STATIC char buf[1024]; 1381 start: 1382 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1383 (void)BIO_flush(bio_err); 1384 if(value != NULL) 1385 { 1386 OPENSSL_assert(strlen(value) < sizeof buf-2); 1387 strcpy(buf,value); 1388 strcat(buf,"\n"); 1389 BIO_printf(bio_err,"%s\n",value); 1390 } 1391 else 1392 { 1393 buf[0]='\0'; 1394 if (!batch) 1395 { 1396 fgets(buf,sizeof buf,stdin); 1397 } 1398 else 1399 { 1400 buf[0] = '\n'; 1401 buf[1] = '\0'; 1402 } 1403 } 1404 1405 if (buf[0] == '\0') return(0); 1406 else if (buf[0] == '\n') 1407 { 1408 if ((def == NULL) || (def[0] == '\0')) 1409 return(1); 1410 strcpy(buf,def); 1411 strcat(buf,"\n"); 1412 } 1413 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1414 1415 i=strlen(buf); 1416 if (buf[i-1] != '\n') 1417 { 1418 BIO_printf(bio_err,"weird input :-(\n"); 1419 return(0); 1420 } 1421 buf[--i]='\0'; 1422 #ifdef CHARSET_EBCDIC 1423 ebcdic2ascii(buf, buf, i); 1424 #endif 1425 if(!req_check_len(i, n_min, n_max)) goto start; 1426 if (!X509_NAME_add_entry_by_NID(n,nid, chtype, 1427 (unsigned char *) buf, -1,-1,0)) goto err; 1428 ret=1; 1429 err: 1430 return(ret); 1431 } 1432 1433 static int add_attribute_object(X509_REQ *req, char *text, 1434 char *def, char *value, int nid, int n_min, 1435 int n_max, unsigned long chtype) 1436 { 1437 int i; 1438 static char buf[1024]; 1439 1440 start: 1441 if (!batch) BIO_printf(bio_err,"%s [%s]:",text,def); 1442 (void)BIO_flush(bio_err); 1443 if (value != NULL) 1444 { 1445 OPENSSL_assert(strlen(value) < sizeof buf-2); 1446 strcpy(buf,value); 1447 strcat(buf,"\n"); 1448 BIO_printf(bio_err,"%s\n",value); 1449 } 1450 else 1451 { 1452 buf[0]='\0'; 1453 if (!batch) 1454 { 1455 fgets(buf,sizeof buf,stdin); 1456 } 1457 else 1458 { 1459 buf[0] = '\n'; 1460 buf[1] = '\0'; 1461 } 1462 } 1463 1464 if (buf[0] == '\0') return(0); 1465 else if (buf[0] == '\n') 1466 { 1467 if ((def == NULL) || (def[0] == '\0')) 1468 return(1); 1469 strcpy(buf,def); 1470 strcat(buf,"\n"); 1471 } 1472 else if ((buf[0] == '.') && (buf[1] == '\n')) return(1); 1473 1474 i=strlen(buf); 1475 if (buf[i-1] != '\n') 1476 { 1477 BIO_printf(bio_err,"weird input :-(\n"); 1478 return(0); 1479 } 1480 buf[--i]='\0'; 1481 #ifdef CHARSET_EBCDIC 1482 ebcdic2ascii(buf, buf, i); 1483 #endif 1484 if(!req_check_len(i, n_min, n_max)) goto start; 1485 1486 if(!X509_REQ_add1_attr_by_NID(req, nid, chtype, 1487 (unsigned char *)buf, -1)) { 1488 BIO_printf(bio_err, "Error adding attribute\n"); 1489 ERR_print_errors(bio_err); 1490 goto err; 1491 } 1492 1493 return(1); 1494 err: 1495 return(0); 1496 } 1497 1498 #ifndef OPENSSL_NO_RSA 1499 static void MS_CALLBACK req_cb(int p, int n, void *arg) 1500 { 1501 char c='*'; 1502 1503 if (p == 0) c='.'; 1504 if (p == 1) c='+'; 1505 if (p == 2) c='*'; 1506 if (p == 3) c='\n'; 1507 BIO_write((BIO *)arg,&c,1); 1508 (void)BIO_flush((BIO *)arg); 1509 #ifdef LINT 1510 p=n; 1511 #endif 1512 } 1513 #endif 1514 1515 static int req_check_len(int len, int n_min, int n_max) 1516 { 1517 if ((n_min > 0) && (len < n_min)) 1518 { 1519 BIO_printf(bio_err,"string is too short, it needs to be at least %d bytes long\n",n_min); 1520 return(0); 1521 } 1522 if ((n_max >= 0) && (len > n_max)) 1523 { 1524 BIO_printf(bio_err,"string is too long, it needs to be less than %d bytes long\n",n_max); 1525 return(0); 1526 } 1527 return(1); 1528 } 1529 1530 /* Check if the end of a string matches 'end' */ 1531 static int check_end(char *str, char *end) 1532 { 1533 int elen, slen; 1534 char *tmp; 1535 elen = strlen(end); 1536 slen = strlen(str); 1537 if(elen > slen) return 1; 1538 tmp = str + slen - elen; 1539 return strcmp(tmp, end); 1540 } 1541