apps.c revision 279265
1/* apps/apps.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 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111 112#include <stdio.h> 113#include <stdlib.h> 114#include <string.h> 115#include <sys/types.h> 116#include <sys/stat.h> 117#include <ctype.h> 118#include <assert.h> 119#include <openssl/err.h> 120#include <openssl/x509.h> 121#include <openssl/x509v3.h> 122#include <openssl/pem.h> 123#include <openssl/pkcs12.h> 124#include <openssl/ui.h> 125#include <openssl/safestack.h> 126#ifndef OPENSSL_NO_ENGINE 127#include <openssl/engine.h> 128#endif 129#ifndef OPENSSL_NO_RSA 130#include <openssl/rsa.h> 131#endif 132#include <openssl/bn.h> 133#ifndef OPENSSL_NO_JPAKE 134#include <openssl/jpake.h> 135#endif 136 137#define NON_MAIN 138#include "apps.h" 139#undef NON_MAIN 140 141typedef struct { 142 const char *name; 143 unsigned long flag; 144 unsigned long mask; 145} NAME_EX_TBL; 146 147static UI_METHOD *ui_method = NULL; 148 149static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl); 150static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl); 151 152#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 153/* Looks like this stuff is worth moving into separate function */ 154static EVP_PKEY * 155load_netscape_key(BIO *err, BIO *key, const char *file, 156 const char *key_descrip, int format); 157#endif 158 159int app_init(long mesgwin); 160#ifdef undef /* never finished - probably never will be :-) */ 161int args_from_file(char *file, int *argc, char **argv[]) 162 { 163 FILE *fp; 164 int num,i; 165 unsigned int len; 166 static char *buf=NULL; 167 static char **arg=NULL; 168 char *p; 169 struct stat stbuf; 170 171 if (stat(file,&stbuf) < 0) return(0); 172 173 fp=fopen(file,"r"); 174 if (fp == NULL) 175 return(0); 176 177 *argc=0; 178 *argv=NULL; 179 180 len=(unsigned int)stbuf.st_size; 181 if (buf != NULL) OPENSSL_free(buf); 182 buf=(char *)OPENSSL_malloc(len+1); 183 if (buf == NULL) return(0); 184 185 len=fread(buf,1,len,fp); 186 if (len <= 1) return(0); 187 buf[len]='\0'; 188 189 i=0; 190 for (p=buf; *p; p++) 191 if (*p == '\n') i++; 192 if (arg != NULL) OPENSSL_free(arg); 193 arg=(char **)OPENSSL_malloc(sizeof(char *)*(i*2)); 194 195 *argv=arg; 196 num=0; 197 p=buf; 198 for (;;) 199 { 200 if (!*p) break; 201 if (*p == '#') /* comment line */ 202 { 203 while (*p && (*p != '\n')) p++; 204 continue; 205 } 206 /* else we have a line */ 207 *(arg++)=p; 208 num++; 209 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n'))) 210 p++; 211 if (!*p) break; 212 if (*p == '\n') 213 { 214 *(p++)='\0'; 215 continue; 216 } 217 /* else it is a tab or space */ 218 p++; 219 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n'))) 220 p++; 221 if (!*p) break; 222 if (*p == '\n') 223 { 224 p++; 225 continue; 226 } 227 *(arg++)=p++; 228 num++; 229 while (*p && (*p != '\n')) p++; 230 if (!*p) break; 231 /* else *p == '\n' */ 232 *(p++)='\0'; 233 } 234 *argc=num; 235 return(1); 236 } 237#endif 238 239int str2fmt(char *s) 240 { 241 if ((*s == 'D') || (*s == 'd')) 242 return(FORMAT_ASN1); 243 else if ((*s == 'T') || (*s == 't')) 244 return(FORMAT_TEXT); 245 else if ((*s == 'P') || (*s == 'p')) 246 return(FORMAT_PEM); 247 else if ((*s == 'N') || (*s == 'n')) 248 return(FORMAT_NETSCAPE); 249 else if ((*s == 'S') || (*s == 's')) 250 return(FORMAT_SMIME); 251 else if ((*s == '1') 252 || (strcmp(s,"PKCS12") == 0) || (strcmp(s,"pkcs12") == 0) 253 || (strcmp(s,"P12") == 0) || (strcmp(s,"p12") == 0)) 254 return(FORMAT_PKCS12); 255 else if ((*s == 'E') || (*s == 'e')) 256 return(FORMAT_ENGINE); 257 else 258 return(FORMAT_UNDEF); 259 } 260 261#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE) 262void program_name(char *in, char *out, int size) 263 { 264 int i,n; 265 char *p=NULL; 266 267 n=strlen(in); 268 /* find the last '/', '\' or ':' */ 269 for (i=n-1; i>0; i--) 270 { 271 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':')) 272 { 273 p= &(in[i+1]); 274 break; 275 } 276 } 277 if (p == NULL) 278 p=in; 279 n=strlen(p); 280 281#if defined(OPENSSL_SYS_NETWARE) 282 /* strip off trailing .nlm if present. */ 283 if ((n > 4) && (p[n-4] == '.') && 284 ((p[n-3] == 'n') || (p[n-3] == 'N')) && 285 ((p[n-2] == 'l') || (p[n-2] == 'L')) && 286 ((p[n-1] == 'm') || (p[n-1] == 'M'))) 287 n-=4; 288#else 289 /* strip off trailing .exe if present. */ 290 if ((n > 4) && (p[n-4] == '.') && 291 ((p[n-3] == 'e') || (p[n-3] == 'E')) && 292 ((p[n-2] == 'x') || (p[n-2] == 'X')) && 293 ((p[n-1] == 'e') || (p[n-1] == 'E'))) 294 n-=4; 295#endif 296 297 if (n > size-1) 298 n=size-1; 299 300 for (i=0; i<n; i++) 301 { 302 if ((p[i] >= 'A') && (p[i] <= 'Z')) 303 out[i]=p[i]-'A'+'a'; 304 else 305 out[i]=p[i]; 306 } 307 out[n]='\0'; 308 } 309#else 310#ifdef OPENSSL_SYS_VMS 311void program_name(char *in, char *out, int size) 312 { 313 char *p=in, *q; 314 char *chars=":]>"; 315 316 while(*chars != '\0') 317 { 318 q=strrchr(p,*chars); 319 if (q > p) 320 p = q + 1; 321 chars++; 322 } 323 324 q=strrchr(p,'.'); 325 if (q == NULL) 326 q = p + strlen(p); 327 strncpy(out,p,size-1); 328 if (q-p >= size) 329 { 330 out[size-1]='\0'; 331 } 332 else 333 { 334 out[q-p]='\0'; 335 } 336 } 337#else 338void program_name(char *in, char *out, int size) 339 { 340 char *p; 341 342 p=strrchr(in,'/'); 343 if (p != NULL) 344 p++; 345 else 346 p=in; 347 BUF_strlcpy(out,p,size); 348 } 349#endif 350#endif 351 352int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[]) 353 { 354 int num,i; 355 char *p; 356 357 *argc=0; 358 *argv=NULL; 359 360 i=0; 361 if (arg->count == 0) 362 { 363 arg->count=20; 364 arg->data=(char **)OPENSSL_malloc(sizeof(char *)*arg->count); 365 if (arg->data == NULL) 366 return 0; 367 } 368 for (i=0; i<arg->count; i++) 369 arg->data[i]=NULL; 370 371 num=0; 372 p=buf; 373 for (;;) 374 { 375 /* first scan over white space */ 376 if (!*p) break; 377 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n'))) 378 p++; 379 if (!*p) break; 380 381 /* The start of something good :-) */ 382 if (num >= arg->count) 383 { 384 char **tmp_p; 385 int tlen = arg->count + 20; 386 tmp_p = (char **)OPENSSL_realloc(arg->data, 387 sizeof(char *)*tlen); 388 if (tmp_p == NULL) 389 return 0; 390 arg->data = tmp_p; 391 arg->count = tlen; 392 /* initialize newly allocated data */ 393 for (i = num; i < arg->count; i++) 394 arg->data[i] = NULL; 395 } 396 arg->data[num++]=p; 397 398 /* now look for the end of this */ 399 if ((*p == '\'') || (*p == '\"')) /* scan for closing quote */ 400 { 401 i= *(p++); 402 arg->data[num-1]++; /* jump over quote */ 403 while (*p && (*p != i)) 404 p++; 405 *p='\0'; 406 } 407 else 408 { 409 while (*p && ((*p != ' ') && 410 (*p != '\t') && (*p != '\n'))) 411 p++; 412 413 if (*p == '\0') 414 p--; 415 else 416 *p='\0'; 417 } 418 p++; 419 } 420 *argc=num; 421 *argv=arg->data; 422 return(1); 423 } 424 425#ifndef APP_INIT 426int app_init(long mesgwin) 427 { 428 return(1); 429 } 430#endif 431 432 433int dump_cert_text (BIO *out, X509 *x) 434{ 435 char *p; 436 437 p=X509_NAME_oneline(X509_get_subject_name(x),NULL,0); 438 BIO_puts(out,"subject="); 439 BIO_puts(out,p); 440 OPENSSL_free(p); 441 442 p=X509_NAME_oneline(X509_get_issuer_name(x),NULL,0); 443 BIO_puts(out,"\nissuer="); 444 BIO_puts(out,p); 445 BIO_puts(out,"\n"); 446 OPENSSL_free(p); 447 448 return 0; 449} 450 451static int ui_open(UI *ui) 452 { 453 return UI_method_get_opener(UI_OpenSSL())(ui); 454 } 455static int ui_read(UI *ui, UI_STRING *uis) 456 { 457 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD 458 && UI_get0_user_data(ui)) 459 { 460 switch(UI_get_string_type(uis)) 461 { 462 case UIT_PROMPT: 463 case UIT_VERIFY: 464 { 465 const char *password = 466 ((PW_CB_DATA *)UI_get0_user_data(ui))->password; 467 if (password && password[0] != '\0') 468 { 469 UI_set_result(ui, uis, password); 470 return 1; 471 } 472 } 473 default: 474 break; 475 } 476 } 477 return UI_method_get_reader(UI_OpenSSL())(ui, uis); 478 } 479static int ui_write(UI *ui, UI_STRING *uis) 480 { 481 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD 482 && UI_get0_user_data(ui)) 483 { 484 switch(UI_get_string_type(uis)) 485 { 486 case UIT_PROMPT: 487 case UIT_VERIFY: 488 { 489 const char *password = 490 ((PW_CB_DATA *)UI_get0_user_data(ui))->password; 491 if (password && password[0] != '\0') 492 return 1; 493 } 494 default: 495 break; 496 } 497 } 498 return UI_method_get_writer(UI_OpenSSL())(ui, uis); 499 } 500static int ui_close(UI *ui) 501 { 502 return UI_method_get_closer(UI_OpenSSL())(ui); 503 } 504int setup_ui_method(void) 505 { 506 ui_method = UI_create_method("OpenSSL application user interface"); 507 UI_method_set_opener(ui_method, ui_open); 508 UI_method_set_reader(ui_method, ui_read); 509 UI_method_set_writer(ui_method, ui_write); 510 UI_method_set_closer(ui_method, ui_close); 511 return 0; 512 } 513void destroy_ui_method(void) 514 { 515 if(ui_method) 516 { 517 UI_destroy_method(ui_method); 518 ui_method = NULL; 519 } 520 } 521int password_callback(char *buf, int bufsiz, int verify, 522 PW_CB_DATA *cb_tmp) 523 { 524 UI *ui = NULL; 525 int res = 0; 526 const char *prompt_info = NULL; 527 const char *password = NULL; 528 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp; 529 530 if (cb_data) 531 { 532 if (cb_data->password) 533 password = cb_data->password; 534 if (cb_data->prompt_info) 535 prompt_info = cb_data->prompt_info; 536 } 537 538 if (password) 539 { 540 res = strlen(password); 541 if (res > bufsiz) 542 res = bufsiz; 543 memcpy(buf, password, res); 544 return res; 545 } 546 547 ui = UI_new_method(ui_method); 548 if (ui) 549 { 550 int ok = 0; 551 char *buff = NULL; 552 int ui_flags = 0; 553 char *prompt = NULL; 554 555 prompt = UI_construct_prompt(ui, "pass phrase", 556 prompt_info); 557 558 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD; 559 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0); 560 561 if (ok >= 0) 562 ok = UI_add_input_string(ui,prompt,ui_flags,buf, 563 PW_MIN_LENGTH,bufsiz-1); 564 if (ok >= 0 && verify) 565 { 566 buff = (char *)OPENSSL_malloc(bufsiz); 567 ok = UI_add_verify_string(ui,prompt,ui_flags,buff, 568 PW_MIN_LENGTH,bufsiz-1, buf); 569 } 570 if (ok >= 0) 571 do 572 { 573 ok = UI_process(ui); 574 } 575 while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0)); 576 577 if (buff) 578 { 579 OPENSSL_cleanse(buff,(unsigned int)bufsiz); 580 OPENSSL_free(buff); 581 } 582 583 if (ok >= 0) 584 res = strlen(buf); 585 if (ok == -1) 586 { 587 BIO_printf(bio_err, "User interface error\n"); 588 ERR_print_errors(bio_err); 589 OPENSSL_cleanse(buf,(unsigned int)bufsiz); 590 res = 0; 591 } 592 if (ok == -2) 593 { 594 BIO_printf(bio_err,"aborted!\n"); 595 OPENSSL_cleanse(buf,(unsigned int)bufsiz); 596 res = 0; 597 } 598 UI_free(ui); 599 OPENSSL_free(prompt); 600 } 601 return res; 602 } 603 604static char *app_get_pass(BIO *err, char *arg, int keepbio); 605 606int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2) 607{ 608 int same; 609 if(!arg2 || !arg1 || strcmp(arg1, arg2)) same = 0; 610 else same = 1; 611 if(arg1) { 612 *pass1 = app_get_pass(err, arg1, same); 613 if(!*pass1) return 0; 614 } else if(pass1) *pass1 = NULL; 615 if(arg2) { 616 *pass2 = app_get_pass(err, arg2, same ? 2 : 0); 617 if(!*pass2) return 0; 618 } else if(pass2) *pass2 = NULL; 619 return 1; 620} 621 622static char *app_get_pass(BIO *err, char *arg, int keepbio) 623{ 624 char *tmp, tpass[APP_PASS_LEN]; 625 static BIO *pwdbio = NULL; 626 int i; 627 if(!strncmp(arg, "pass:", 5)) return BUF_strdup(arg + 5); 628 if(!strncmp(arg, "env:", 4)) { 629 tmp = getenv(arg + 4); 630 if(!tmp) { 631 BIO_printf(err, "Can't read environment variable %s\n", arg + 4); 632 return NULL; 633 } 634 return BUF_strdup(tmp); 635 } 636 if(!keepbio || !pwdbio) { 637 if(!strncmp(arg, "file:", 5)) { 638 pwdbio = BIO_new_file(arg + 5, "r"); 639 if(!pwdbio) { 640 BIO_printf(err, "Can't open file %s\n", arg + 5); 641 return NULL; 642 } 643 } else if(!strncmp(arg, "fd:", 3)) { 644 BIO *btmp; 645 i = atoi(arg + 3); 646 if(i >= 0) pwdbio = BIO_new_fd(i, BIO_NOCLOSE); 647 if((i < 0) || !pwdbio) { 648 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3); 649 return NULL; 650 } 651 /* Can't do BIO_gets on an fd BIO so add a buffering BIO */ 652 btmp = BIO_new(BIO_f_buffer()); 653 pwdbio = BIO_push(btmp, pwdbio); 654 } else if(!strcmp(arg, "stdin")) { 655 pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE); 656 if(!pwdbio) { 657 BIO_printf(err, "Can't open BIO for stdin\n"); 658 return NULL; 659 } 660 } else { 661 BIO_printf(err, "Invalid password argument \"%s\"\n", arg); 662 return NULL; 663 } 664 } 665 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN); 666 if(keepbio != 1) { 667 BIO_free_all(pwdbio); 668 pwdbio = NULL; 669 } 670 if(i <= 0) { 671 BIO_printf(err, "Error reading password from BIO\n"); 672 return NULL; 673 } 674 tmp = strchr(tpass, '\n'); 675 if(tmp) *tmp = 0; 676 return BUF_strdup(tpass); 677} 678 679int add_oid_section(BIO *err, CONF *conf) 680{ 681 char *p; 682 STACK_OF(CONF_VALUE) *sktmp; 683 CONF_VALUE *cnf; 684 int i; 685 if(!(p=NCONF_get_string(conf,NULL,"oid_section"))) 686 { 687 ERR_clear_error(); 688 return 1; 689 } 690 if(!(sktmp = NCONF_get_section(conf, p))) { 691 BIO_printf(err, "problem loading oid section %s\n", p); 692 return 0; 693 } 694 for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 695 cnf = sk_CONF_VALUE_value(sktmp, i); 696 if(OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 697 BIO_printf(err, "problem creating object %s=%s\n", 698 cnf->name, cnf->value); 699 return 0; 700 } 701 } 702 return 1; 703} 704 705static int load_pkcs12(BIO *err, BIO *in, const char *desc, 706 pem_password_cb *pem_cb, void *cb_data, 707 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca) 708 { 709 const char *pass; 710 char tpass[PEM_BUFSIZE]; 711 int len, ret = 0; 712 PKCS12 *p12; 713 p12 = d2i_PKCS12_bio(in, NULL); 714 if (p12 == NULL) 715 { 716 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc); 717 goto die; 718 } 719 /* See if an empty password will do */ 720 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) 721 pass = ""; 722 else 723 { 724 if (!pem_cb) 725 pem_cb = (pem_password_cb *)password_callback; 726 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data); 727 if (len < 0) 728 { 729 BIO_printf(err, "Passpharse callback error for %s\n", 730 desc); 731 goto die; 732 } 733 if (len < PEM_BUFSIZE) 734 tpass[len] = 0; 735 if (!PKCS12_verify_mac(p12, tpass, len)) 736 { 737 BIO_printf(err, 738 "Mac verify error (wrong password?) in PKCS12 file for %s\n", desc); 739 goto die; 740 } 741 pass = tpass; 742 } 743 ret = PKCS12_parse(p12, pass, pkey, cert, ca); 744 die: 745 if (p12) 746 PKCS12_free(p12); 747 return ret; 748 } 749 750X509 *load_cert(BIO *err, const char *file, int format, 751 const char *pass, ENGINE *e, const char *cert_descrip) 752 { 753 ASN1_HEADER *ah=NULL; 754 BUF_MEM *buf=NULL; 755 X509 *x=NULL; 756 BIO *cert; 757 758 if ((cert=BIO_new(BIO_s_file())) == NULL) 759 { 760 ERR_print_errors(err); 761 goto end; 762 } 763 764 if (file == NULL) 765 { 766 setvbuf(stdin, NULL, _IONBF, 0); 767 BIO_set_fp(cert,stdin,BIO_NOCLOSE); 768 } 769 else 770 { 771 if (BIO_read_filename(cert,file) <= 0) 772 { 773 BIO_printf(err, "Error opening %s %s\n", 774 cert_descrip, file); 775 ERR_print_errors(err); 776 goto end; 777 } 778 } 779 780 if (format == FORMAT_ASN1) 781 x=d2i_X509_bio(cert,NULL); 782 else if (format == FORMAT_NETSCAPE) 783 { 784 const unsigned char *p,*op; 785 int size=0,i; 786 787 /* We sort of have to do it this way because it is sort of nice 788 * to read the header first and check it, then 789 * try to read the certificate */ 790 buf=BUF_MEM_new(); 791 for (;;) 792 { 793 if ((buf == NULL) || (!BUF_MEM_grow(buf,size+1024*10))) 794 goto end; 795 i=BIO_read(cert,&(buf->data[size]),1024*10); 796 size+=i; 797 if (i == 0) break; 798 if (i < 0) 799 { 800 perror("reading certificate"); 801 goto end; 802 } 803 } 804 p=(unsigned char *)buf->data; 805 op=p; 806 807 /* First load the header */ 808 if ((ah=d2i_ASN1_HEADER(NULL,&p,(long)size)) == NULL) 809 goto end; 810 if ((ah->header == NULL) || (ah->header->data == NULL) || 811 (strncmp(NETSCAPE_CERT_HDR,(char *)ah->header->data, 812 ah->header->length) != 0)) 813 { 814 BIO_printf(err,"Error reading header on certificate\n"); 815 goto end; 816 } 817 /* header is ok, so now read the object */ 818 p=op; 819 ah->meth=X509_asn1_meth(); 820 if ((ah=d2i_ASN1_HEADER(&ah,&p,(long)size)) == NULL) 821 goto end; 822 x=(X509 *)ah->data; 823 ah->data=NULL; 824 } 825 else if (format == FORMAT_PEM) 826 x=PEM_read_bio_X509_AUX(cert,NULL, 827 (pem_password_cb *)password_callback, NULL); 828 else if (format == FORMAT_PKCS12) 829 { 830 if (!load_pkcs12(err, cert,cert_descrip, NULL, NULL, 831 NULL, &x, NULL)) 832 goto end; 833 } 834 else { 835 BIO_printf(err,"bad input format specified for %s\n", 836 cert_descrip); 837 goto end; 838 } 839end: 840 if (x == NULL) 841 { 842 BIO_printf(err,"unable to load certificate\n"); 843 ERR_print_errors(err); 844 } 845 if (ah != NULL) ASN1_HEADER_free(ah); 846 if (cert != NULL) BIO_free(cert); 847 if (buf != NULL) BUF_MEM_free(buf); 848 return(x); 849 } 850 851EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin, 852 const char *pass, ENGINE *e, const char *key_descrip) 853 { 854 BIO *key=NULL; 855 EVP_PKEY *pkey=NULL; 856 PW_CB_DATA cb_data; 857 858 cb_data.password = pass; 859 cb_data.prompt_info = file; 860 861 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) 862 { 863 BIO_printf(err,"no keyfile specified\n"); 864 goto end; 865 } 866#ifndef OPENSSL_NO_ENGINE 867 if (format == FORMAT_ENGINE) 868 { 869 if (!e) 870 BIO_printf(err,"no engine specified\n"); 871 else 872 { 873 pkey = ENGINE_load_private_key(e, file, 874 ui_method, &cb_data); 875 if (!pkey) 876 { 877 BIO_printf(err,"cannot load %s from engine\n",key_descrip); 878 ERR_print_errors(err); 879 } 880 } 881 goto end; 882 } 883#endif 884 key=BIO_new(BIO_s_file()); 885 if (key == NULL) 886 { 887 ERR_print_errors(err); 888 goto end; 889 } 890 if (file == NULL && maybe_stdin) 891 { 892 setvbuf(stdin, NULL, _IONBF, 0); 893 BIO_set_fp(key,stdin,BIO_NOCLOSE); 894 } 895 else 896 if (BIO_read_filename(key,file) <= 0) 897 { 898 BIO_printf(err, "Error opening %s %s\n", 899 key_descrip, file); 900 ERR_print_errors(err); 901 goto end; 902 } 903 if (format == FORMAT_ASN1) 904 { 905 pkey=d2i_PrivateKey_bio(key, NULL); 906 } 907 else if (format == FORMAT_PEM) 908 { 909 pkey=PEM_read_bio_PrivateKey(key,NULL, 910 (pem_password_cb *)password_callback, &cb_data); 911 } 912#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 913 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC) 914 pkey = load_netscape_key(err, key, file, key_descrip, format); 915#endif 916 else if (format == FORMAT_PKCS12) 917 { 918 if (!load_pkcs12(err, key, key_descrip, 919 (pem_password_cb *)password_callback, &cb_data, 920 &pkey, NULL, NULL)) 921 goto end; 922 } 923 else 924 { 925 BIO_printf(err,"bad input format specified for key file\n"); 926 goto end; 927 } 928 end: 929 if (key != NULL) BIO_free(key); 930 if (pkey == NULL) 931 { 932 BIO_printf(err,"unable to load %s\n", key_descrip); 933 ERR_print_errors(err); 934 } 935 return(pkey); 936 } 937 938EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin, 939 const char *pass, ENGINE *e, const char *key_descrip) 940 { 941 BIO *key=NULL; 942 EVP_PKEY *pkey=NULL; 943 PW_CB_DATA cb_data; 944 945 cb_data.password = pass; 946 cb_data.prompt_info = file; 947 948 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) 949 { 950 BIO_printf(err,"no keyfile specified\n"); 951 goto end; 952 } 953#ifndef OPENSSL_NO_ENGINE 954 if (format == FORMAT_ENGINE) 955 { 956 if (!e) 957 BIO_printf(bio_err,"no engine specified\n"); 958 else 959 pkey = ENGINE_load_public_key(e, file, 960 ui_method, &cb_data); 961 goto end; 962 } 963#endif 964 key=BIO_new(BIO_s_file()); 965 if (key == NULL) 966 { 967 ERR_print_errors(err); 968 goto end; 969 } 970 if (file == NULL && maybe_stdin) 971 { 972 setvbuf(stdin, NULL, _IONBF, 0); 973 BIO_set_fp(key,stdin,BIO_NOCLOSE); 974 } 975 else 976 if (BIO_read_filename(key,file) <= 0) 977 { 978 BIO_printf(err, "Error opening %s %s\n", 979 key_descrip, file); 980 ERR_print_errors(err); 981 goto end; 982 } 983 if (format == FORMAT_ASN1) 984 { 985 pkey=d2i_PUBKEY_bio(key, NULL); 986 } 987 else if (format == FORMAT_PEM) 988 { 989 pkey=PEM_read_bio_PUBKEY(key,NULL, 990 (pem_password_cb *)password_callback, &cb_data); 991 } 992#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 993 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC) 994 pkey = load_netscape_key(err, key, file, key_descrip, format); 995#endif 996 else 997 { 998 BIO_printf(err,"bad input format specified for key file\n"); 999 goto end; 1000 } 1001 end: 1002 if (key != NULL) BIO_free(key); 1003 if (pkey == NULL) 1004 BIO_printf(err,"unable to load %s\n", key_descrip); 1005 return(pkey); 1006 } 1007 1008#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 1009static EVP_PKEY * 1010load_netscape_key(BIO *err, BIO *key, const char *file, 1011 const char *key_descrip, int format) 1012 { 1013 EVP_PKEY *pkey; 1014 BUF_MEM *buf; 1015 RSA *rsa; 1016 const unsigned char *p; 1017 int size, i; 1018 1019 buf=BUF_MEM_new(); 1020 pkey = EVP_PKEY_new(); 1021 size = 0; 1022 if (buf == NULL || pkey == NULL) 1023 goto error; 1024 for (;;) 1025 { 1026 if (!BUF_MEM_grow_clean(buf,size+1024*10)) 1027 goto error; 1028 i = BIO_read(key, &(buf->data[size]), 1024*10); 1029 size += i; 1030 if (i == 0) 1031 break; 1032 if (i < 0) 1033 { 1034 BIO_printf(err, "Error reading %s %s", 1035 key_descrip, file); 1036 goto error; 1037 } 1038 } 1039 p=(unsigned char *)buf->data; 1040 rsa = d2i_RSA_NET(NULL,&p,(long)size,NULL, 1041 (format == FORMAT_IISSGC ? 1 : 0)); 1042 if (rsa == NULL) 1043 goto error; 1044 BUF_MEM_free(buf); 1045 EVP_PKEY_set1_RSA(pkey, rsa); 1046 return pkey; 1047error: 1048 BUF_MEM_free(buf); 1049 EVP_PKEY_free(pkey); 1050 return NULL; 1051 } 1052#endif /* ndef OPENSSL_NO_RC4 */ 1053 1054STACK_OF(X509) *load_certs(BIO *err, const char *file, int format, 1055 const char *pass, ENGINE *e, const char *cert_descrip) 1056 { 1057 BIO *certs; 1058 int i; 1059 STACK_OF(X509) *othercerts = NULL; 1060 STACK_OF(X509_INFO) *allcerts = NULL; 1061 X509_INFO *xi; 1062 PW_CB_DATA cb_data; 1063 1064 cb_data.password = pass; 1065 cb_data.prompt_info = file; 1066 1067 if((certs = BIO_new(BIO_s_file())) == NULL) 1068 { 1069 ERR_print_errors(err); 1070 goto end; 1071 } 1072 1073 if (file == NULL) 1074 BIO_set_fp(certs,stdin,BIO_NOCLOSE); 1075 else 1076 { 1077 if (BIO_read_filename(certs,file) <= 0) 1078 { 1079 BIO_printf(err, "Error opening %s %s\n", 1080 cert_descrip, file); 1081 ERR_print_errors(err); 1082 goto end; 1083 } 1084 } 1085 1086 if (format == FORMAT_PEM) 1087 { 1088 othercerts = sk_X509_new_null(); 1089 if(!othercerts) 1090 { 1091 sk_X509_free(othercerts); 1092 othercerts = NULL; 1093 goto end; 1094 } 1095 allcerts = PEM_X509_INFO_read_bio(certs, NULL, 1096 (pem_password_cb *)password_callback, &cb_data); 1097 for(i = 0; i < sk_X509_INFO_num(allcerts); i++) 1098 { 1099 xi = sk_X509_INFO_value (allcerts, i); 1100 if (xi->x509) 1101 { 1102 sk_X509_push(othercerts, xi->x509); 1103 xi->x509 = NULL; 1104 } 1105 } 1106 goto end; 1107 } 1108 else { 1109 BIO_printf(err,"bad input format specified for %s\n", 1110 cert_descrip); 1111 goto end; 1112 } 1113end: 1114 if (othercerts == NULL) 1115 { 1116 BIO_printf(err,"unable to load certificates\n"); 1117 ERR_print_errors(err); 1118 } 1119 if (allcerts) sk_X509_INFO_pop_free(allcerts, X509_INFO_free); 1120 if (certs != NULL) BIO_free(certs); 1121 return(othercerts); 1122 } 1123 1124 1125#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1126/* Return error for unknown extensions */ 1127#define X509V3_EXT_DEFAULT 0 1128/* Print error for unknown extensions */ 1129#define X509V3_EXT_ERROR_UNKNOWN (1L << 16) 1130/* ASN1 parse unknown extensions */ 1131#define X509V3_EXT_PARSE_UNKNOWN (2L << 16) 1132/* BIO_dump unknown extensions */ 1133#define X509V3_EXT_DUMP_UNKNOWN (3L << 16) 1134 1135#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \ 1136 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1137 1138int set_cert_ex(unsigned long *flags, const char *arg) 1139{ 1140 static const NAME_EX_TBL cert_tbl[] = { 1141 { "compatible", X509_FLAG_COMPAT, 0xffffffffl}, 1142 { "ca_default", X509_FLAG_CA, 0xffffffffl}, 1143 { "no_header", X509_FLAG_NO_HEADER, 0}, 1144 { "no_version", X509_FLAG_NO_VERSION, 0}, 1145 { "no_serial", X509_FLAG_NO_SERIAL, 0}, 1146 { "no_signame", X509_FLAG_NO_SIGNAME, 0}, 1147 { "no_validity", X509_FLAG_NO_VALIDITY, 0}, 1148 { "no_subject", X509_FLAG_NO_SUBJECT, 0}, 1149 { "no_issuer", X509_FLAG_NO_ISSUER, 0}, 1150 { "no_pubkey", X509_FLAG_NO_PUBKEY, 0}, 1151 { "no_extensions", X509_FLAG_NO_EXTENSIONS, 0}, 1152 { "no_sigdump", X509_FLAG_NO_SIGDUMP, 0}, 1153 { "no_aux", X509_FLAG_NO_AUX, 0}, 1154 { "no_attributes", X509_FLAG_NO_ATTRIBUTES, 0}, 1155 { "ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK}, 1156 { "ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1157 { "ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1158 { "ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1159 { NULL, 0, 0} 1160 }; 1161 return set_multi_opts(flags, arg, cert_tbl); 1162} 1163 1164int set_name_ex(unsigned long *flags, const char *arg) 1165{ 1166 static const NAME_EX_TBL ex_tbl[] = { 1167 { "esc_2253", ASN1_STRFLGS_ESC_2253, 0}, 1168 { "esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0}, 1169 { "esc_msb", ASN1_STRFLGS_ESC_MSB, 0}, 1170 { "use_quote", ASN1_STRFLGS_ESC_QUOTE, 0}, 1171 { "utf8", ASN1_STRFLGS_UTF8_CONVERT, 0}, 1172 { "ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0}, 1173 { "show_type", ASN1_STRFLGS_SHOW_TYPE, 0}, 1174 { "dump_all", ASN1_STRFLGS_DUMP_ALL, 0}, 1175 { "dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0}, 1176 { "dump_der", ASN1_STRFLGS_DUMP_DER, 0}, 1177 { "compat", XN_FLAG_COMPAT, 0xffffffffL}, 1178 { "sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK}, 1179 { "sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK}, 1180 { "sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK}, 1181 { "sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK}, 1182 { "dn_rev", XN_FLAG_DN_REV, 0}, 1183 { "nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK}, 1184 { "sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK}, 1185 { "lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK}, 1186 { "align", XN_FLAG_FN_ALIGN, 0}, 1187 { "oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK}, 1188 { "space_eq", XN_FLAG_SPC_EQ, 0}, 1189 { "dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0}, 1190 { "RFC2253", XN_FLAG_RFC2253, 0xffffffffL}, 1191 { "oneline", XN_FLAG_ONELINE, 0xffffffffL}, 1192 { "multiline", XN_FLAG_MULTILINE, 0xffffffffL}, 1193 { "ca_default", XN_FLAG_MULTILINE, 0xffffffffL}, 1194 { NULL, 0, 0} 1195 }; 1196 return set_multi_opts(flags, arg, ex_tbl); 1197} 1198 1199int set_ext_copy(int *copy_type, const char *arg) 1200{ 1201 if (!strcasecmp(arg, "none")) 1202 *copy_type = EXT_COPY_NONE; 1203 else if (!strcasecmp(arg, "copy")) 1204 *copy_type = EXT_COPY_ADD; 1205 else if (!strcasecmp(arg, "copyall")) 1206 *copy_type = EXT_COPY_ALL; 1207 else 1208 return 0; 1209 return 1; 1210} 1211 1212int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1213{ 1214 STACK_OF(X509_EXTENSION) *exts = NULL; 1215 X509_EXTENSION *ext, *tmpext; 1216 ASN1_OBJECT *obj; 1217 int i, idx, ret = 0; 1218 if (!x || !req || (copy_type == EXT_COPY_NONE)) 1219 return 1; 1220 exts = X509_REQ_get_extensions(req); 1221 1222 for(i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1223 ext = sk_X509_EXTENSION_value(exts, i); 1224 obj = X509_EXTENSION_get_object(ext); 1225 idx = X509_get_ext_by_OBJ(x, obj, -1); 1226 /* Does extension exist? */ 1227 if (idx != -1) { 1228 /* If normal copy don't override existing extension */ 1229 if (copy_type == EXT_COPY_ADD) 1230 continue; 1231 /* Delete all extensions of same type */ 1232 do { 1233 tmpext = X509_get_ext(x, idx); 1234 X509_delete_ext(x, idx); 1235 X509_EXTENSION_free(tmpext); 1236 idx = X509_get_ext_by_OBJ(x, obj, -1); 1237 } while (idx != -1); 1238 } 1239 if (!X509_add_ext(x, ext, -1)) 1240 goto end; 1241 } 1242 1243 ret = 1; 1244 1245 end: 1246 1247 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1248 1249 return ret; 1250} 1251 1252 1253 1254 1255static int set_multi_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl) 1256{ 1257 STACK_OF(CONF_VALUE) *vals; 1258 CONF_VALUE *val; 1259 int i, ret = 1; 1260 if(!arg) return 0; 1261 vals = X509V3_parse_list(arg); 1262 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1263 val = sk_CONF_VALUE_value(vals, i); 1264 if (!set_table_opts(flags, val->name, in_tbl)) 1265 ret = 0; 1266 } 1267 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1268 return ret; 1269} 1270 1271static int set_table_opts(unsigned long *flags, const char *arg, const NAME_EX_TBL *in_tbl) 1272{ 1273 char c; 1274 const NAME_EX_TBL *ptbl; 1275 c = arg[0]; 1276 1277 if(c == '-') { 1278 c = 0; 1279 arg++; 1280 } else if (c == '+') { 1281 c = 1; 1282 arg++; 1283 } else c = 1; 1284 1285 for(ptbl = in_tbl; ptbl->name; ptbl++) { 1286 if(!strcasecmp(arg, ptbl->name)) { 1287 *flags &= ~ptbl->mask; 1288 if(c) *flags |= ptbl->flag; 1289 else *flags &= ~ptbl->flag; 1290 return 1; 1291 } 1292 } 1293 return 0; 1294} 1295 1296void print_name(BIO *out, const char *title, X509_NAME *nm, unsigned long lflags) 1297{ 1298 char *buf; 1299 char mline = 0; 1300 int indent = 0; 1301 1302 if(title) BIO_puts(out, title); 1303 if((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1304 mline = 1; 1305 indent = 4; 1306 } 1307 if(lflags == XN_FLAG_COMPAT) { 1308 buf = X509_NAME_oneline(nm, 0, 0); 1309 BIO_puts(out, buf); 1310 BIO_puts(out, "\n"); 1311 OPENSSL_free(buf); 1312 } else { 1313 if(mline) BIO_puts(out, "\n"); 1314 X509_NAME_print_ex(out, nm, indent, lflags); 1315 BIO_puts(out, "\n"); 1316 } 1317} 1318 1319X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath) 1320{ 1321 X509_STORE *store; 1322 X509_LOOKUP *lookup; 1323 if(!(store = X509_STORE_new())) goto end; 1324 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); 1325 if (lookup == NULL) goto end; 1326 if (CAfile) { 1327 if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) { 1328 BIO_printf(bp, "Error loading file %s\n", CAfile); 1329 goto end; 1330 } 1331 } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); 1332 1333 lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); 1334 if (lookup == NULL) goto end; 1335 if (CApath) { 1336 if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) { 1337 BIO_printf(bp, "Error loading directory %s\n", CApath); 1338 goto end; 1339 } 1340 } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); 1341 1342 ERR_clear_error(); 1343 return store; 1344 end: 1345 X509_STORE_free(store); 1346 return NULL; 1347} 1348 1349#ifndef OPENSSL_NO_ENGINE 1350/* Try to load an engine in a shareable library */ 1351static ENGINE *try_load_engine(BIO *err, const char *engine, int debug) 1352 { 1353 ENGINE *e = ENGINE_by_id("dynamic"); 1354 if (e) 1355 { 1356 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0) 1357 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) 1358 { 1359 ENGINE_free(e); 1360 e = NULL; 1361 } 1362 } 1363 return e; 1364 } 1365 1366ENGINE *setup_engine(BIO *err, const char *engine, int debug) 1367 { 1368 ENGINE *e = NULL; 1369 1370 if (engine) 1371 { 1372 if(strcmp(engine, "auto") == 0) 1373 { 1374 BIO_printf(err,"enabling auto ENGINE support\n"); 1375 ENGINE_register_all_complete(); 1376 return NULL; 1377 } 1378 if((e = ENGINE_by_id(engine)) == NULL 1379 && (e = try_load_engine(err, engine, debug)) == NULL) 1380 { 1381 BIO_printf(err,"invalid engine \"%s\"\n", engine); 1382 ERR_print_errors(err); 1383 return NULL; 1384 } 1385 if (debug) 1386 { 1387 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 1388 0, err, 0); 1389 } 1390 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1); 1391 if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) 1392 { 1393 BIO_printf(err,"can't use that engine\n"); 1394 ERR_print_errors(err); 1395 ENGINE_free(e); 1396 return NULL; 1397 } 1398 1399 BIO_printf(err,"engine \"%s\" set.\n", ENGINE_get_id(e)); 1400 1401 /* Free our "structural" reference. */ 1402 ENGINE_free(e); 1403 } 1404 return e; 1405 } 1406#endif 1407 1408int load_config(BIO *err, CONF *cnf) 1409 { 1410 if (!cnf) 1411 cnf = config; 1412 if (!cnf) 1413 return 1; 1414 1415 OPENSSL_load_builtin_modules(); 1416 1417 if (CONF_modules_load(cnf, NULL, 0) <= 0) 1418 { 1419 BIO_printf(err, "Error configuring OpenSSL\n"); 1420 ERR_print_errors(err); 1421 return 0; 1422 } 1423 return 1; 1424 } 1425 1426char *make_config_name() 1427 { 1428 const char *t=X509_get_default_cert_area(); 1429 size_t len; 1430 char *p; 1431 1432 len=strlen(t)+strlen(OPENSSL_CONF)+2; 1433 p=OPENSSL_malloc(len); 1434 if (p == NULL) 1435 return NULL; 1436 BUF_strlcpy(p,t,len); 1437#ifndef OPENSSL_SYS_VMS 1438 BUF_strlcat(p,"/",len); 1439#endif 1440 BUF_strlcat(p,OPENSSL_CONF,len); 1441 1442 return p; 1443 } 1444 1445static unsigned long index_serial_hash(const char **a) 1446 { 1447 const char *n; 1448 1449 n=a[DB_serial]; 1450 while (*n == '0') n++; 1451 return(lh_strhash(n)); 1452 } 1453 1454static int index_serial_cmp(const char **a, const char **b) 1455 { 1456 const char *aa,*bb; 1457 1458 for (aa=a[DB_serial]; *aa == '0'; aa++); 1459 for (bb=b[DB_serial]; *bb == '0'; bb++); 1460 return(strcmp(aa,bb)); 1461 } 1462 1463static int index_name_qual(char **a) 1464 { return(a[0][0] == 'V'); } 1465 1466static unsigned long index_name_hash(const char **a) 1467 { return(lh_strhash(a[DB_name])); } 1468 1469int index_name_cmp(const char **a, const char **b) 1470 { return(strcmp(a[DB_name], 1471 b[DB_name])); } 1472 1473static IMPLEMENT_LHASH_HASH_FN(index_serial_hash,const char **) 1474static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp,const char **) 1475static IMPLEMENT_LHASH_HASH_FN(index_name_hash,const char **) 1476static IMPLEMENT_LHASH_COMP_FN(index_name_cmp,const char **) 1477 1478#undef BSIZE 1479#define BSIZE 256 1480 1481BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai) 1482 { 1483 BIO *in=NULL; 1484 BIGNUM *ret=NULL; 1485 MS_STATIC char buf[1024]; 1486 ASN1_INTEGER *ai=NULL; 1487 1488 ai=ASN1_INTEGER_new(); 1489 if (ai == NULL) goto err; 1490 1491 if ((in=BIO_new(BIO_s_file())) == NULL) 1492 { 1493 ERR_print_errors(bio_err); 1494 goto err; 1495 } 1496 1497 if (BIO_read_filename(in,serialfile) <= 0) 1498 { 1499 if (!create) 1500 { 1501 perror(serialfile); 1502 goto err; 1503 } 1504 else 1505 { 1506 ret=BN_new(); 1507 if (ret == NULL || !rand_serial(ret, ai)) 1508 BIO_printf(bio_err, "Out of memory\n"); 1509 } 1510 } 1511 else 1512 { 1513 if (!a2i_ASN1_INTEGER(in,ai,buf,1024)) 1514 { 1515 BIO_printf(bio_err,"unable to load number from %s\n", 1516 serialfile); 1517 goto err; 1518 } 1519 ret=ASN1_INTEGER_to_BN(ai,NULL); 1520 if (ret == NULL) 1521 { 1522 BIO_printf(bio_err,"error converting number from bin to BIGNUM\n"); 1523 goto err; 1524 } 1525 } 1526 1527 if (ret && retai) 1528 { 1529 *retai = ai; 1530 ai = NULL; 1531 } 1532 err: 1533 if (in != NULL) BIO_free(in); 1534 if (ai != NULL) ASN1_INTEGER_free(ai); 1535 return(ret); 1536 } 1537 1538int save_serial(char *serialfile, char *suffix, BIGNUM *serial, ASN1_INTEGER **retai) 1539 { 1540 char buf[1][BSIZE]; 1541 BIO *out = NULL; 1542 int ret=0; 1543 ASN1_INTEGER *ai=NULL; 1544 int j; 1545 1546 if (suffix == NULL) 1547 j = strlen(serialfile); 1548 else 1549 j = strlen(serialfile) + strlen(suffix) + 1; 1550 if (j >= BSIZE) 1551 { 1552 BIO_printf(bio_err,"file name too long\n"); 1553 goto err; 1554 } 1555 1556 if (suffix == NULL) 1557 BUF_strlcpy(buf[0], serialfile, BSIZE); 1558 else 1559 { 1560#ifndef OPENSSL_SYS_VMS 1561 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix); 1562#else 1563 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix); 1564#endif 1565 } 1566#ifdef RL_DEBUG 1567 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]); 1568#endif 1569 out=BIO_new(BIO_s_file()); 1570 if (out == NULL) 1571 { 1572 ERR_print_errors(bio_err); 1573 goto err; 1574 } 1575 if (BIO_write_filename(out,buf[0]) <= 0) 1576 { 1577 perror(serialfile); 1578 goto err; 1579 } 1580 1581 if ((ai=BN_to_ASN1_INTEGER(serial,NULL)) == NULL) 1582 { 1583 BIO_printf(bio_err,"error converting serial to ASN.1 format\n"); 1584 goto err; 1585 } 1586 i2a_ASN1_INTEGER(out,ai); 1587 BIO_puts(out,"\n"); 1588 ret=1; 1589 if (retai) 1590 { 1591 *retai = ai; 1592 ai = NULL; 1593 } 1594err: 1595 if (out != NULL) BIO_free_all(out); 1596 if (ai != NULL) ASN1_INTEGER_free(ai); 1597 return(ret); 1598 } 1599 1600int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix) 1601 { 1602 char buf[5][BSIZE]; 1603 int i,j; 1604 struct stat sb; 1605 1606 i = strlen(serialfile) + strlen(old_suffix); 1607 j = strlen(serialfile) + strlen(new_suffix); 1608 if (i > j) j = i; 1609 if (j + 1 >= BSIZE) 1610 { 1611 BIO_printf(bio_err,"file name too long\n"); 1612 goto err; 1613 } 1614 1615#ifndef OPENSSL_SYS_VMS 1616 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", 1617 serialfile, new_suffix); 1618#else 1619 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", 1620 serialfile, new_suffix); 1621#endif 1622#ifndef OPENSSL_SYS_VMS 1623 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", 1624 serialfile, old_suffix); 1625#else 1626 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", 1627 serialfile, old_suffix); 1628#endif 1629 if (stat(serialfile,&sb) < 0) 1630 { 1631 if (errno != ENOENT 1632#ifdef ENOTDIR 1633 && errno != ENOTDIR 1634#endif 1635 ) 1636 goto err; 1637 } 1638 else 1639 { 1640#ifdef RL_DEBUG 1641 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1642 serialfile, buf[1]); 1643#endif 1644 if (rename(serialfile,buf[1]) < 0) 1645 { 1646 BIO_printf(bio_err, 1647 "unable to rename %s to %s\n", 1648 serialfile, buf[1]); 1649 perror("reason"); 1650 goto err; 1651 } 1652 } 1653#ifdef RL_DEBUG 1654 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1655 buf[0],serialfile); 1656#endif 1657 if (rename(buf[0],serialfile) < 0) 1658 { 1659 BIO_printf(bio_err, 1660 "unable to rename %s to %s\n", 1661 buf[0],serialfile); 1662 perror("reason"); 1663 rename(buf[1],serialfile); 1664 goto err; 1665 } 1666 return 1; 1667 err: 1668 return 0; 1669 } 1670 1671int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1672 { 1673 BIGNUM *btmp; 1674 int ret = 0; 1675 if (b) 1676 btmp = b; 1677 else 1678 btmp = BN_new(); 1679 1680 if (!btmp) 1681 return 0; 1682 1683 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0)) 1684 goto error; 1685 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1686 goto error; 1687 1688 ret = 1; 1689 1690 error: 1691 1692 if (!b) 1693 BN_free(btmp); 1694 1695 return ret; 1696 } 1697 1698CA_DB *load_index(char *dbfile, DB_ATTR *db_attr) 1699 { 1700 CA_DB *retdb = NULL; 1701 TXT_DB *tmpdb = NULL; 1702 BIO *in = BIO_new(BIO_s_file()); 1703 CONF *dbattr_conf = NULL; 1704 char buf[1][BSIZE]; 1705 long errorline= -1; 1706 1707 if (in == NULL) 1708 { 1709 ERR_print_errors(bio_err); 1710 goto err; 1711 } 1712 if (BIO_read_filename(in,dbfile) <= 0) 1713 { 1714 perror(dbfile); 1715 BIO_printf(bio_err,"unable to open '%s'\n",dbfile); 1716 goto err; 1717 } 1718 if ((tmpdb = TXT_DB_read(in,DB_NUMBER)) == NULL) 1719 { 1720 if (tmpdb != NULL) TXT_DB_free(tmpdb); 1721 goto err; 1722 } 1723 1724#ifndef OPENSSL_SYS_VMS 1725 BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile); 1726#else 1727 BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile); 1728#endif 1729 dbattr_conf = NCONF_new(NULL); 1730 if (NCONF_load(dbattr_conf,buf[0],&errorline) <= 0) 1731 { 1732 if (errorline > 0) 1733 { 1734 BIO_printf(bio_err, 1735 "error on line %ld of db attribute file '%s'\n" 1736 ,errorline,buf[0]); 1737 goto err; 1738 } 1739 else 1740 { 1741 NCONF_free(dbattr_conf); 1742 dbattr_conf = NULL; 1743 } 1744 } 1745 1746 if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) 1747 { 1748 fprintf(stderr, "Out of memory\n"); 1749 goto err; 1750 } 1751 1752 retdb->db = tmpdb; 1753 tmpdb = NULL; 1754 if (db_attr) 1755 retdb->attributes = *db_attr; 1756 else 1757 { 1758 retdb->attributes.unique_subject = 1; 1759 } 1760 1761 if (dbattr_conf) 1762 { 1763 char *p = NCONF_get_string(dbattr_conf,NULL,"unique_subject"); 1764 if (p) 1765 { 1766#ifdef RL_DEBUG 1767 BIO_printf(bio_err, "DEBUG[load_index]: unique_subject = \"%s\"\n", p); 1768#endif 1769 retdb->attributes.unique_subject = parse_yesno(p,1); 1770 } 1771 } 1772 1773 err: 1774 if (dbattr_conf) NCONF_free(dbattr_conf); 1775 if (tmpdb) TXT_DB_free(tmpdb); 1776 if (in) BIO_free_all(in); 1777 return retdb; 1778 } 1779 1780int index_index(CA_DB *db) 1781 { 1782 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1783 LHASH_HASH_FN(index_serial_hash), 1784 LHASH_COMP_FN(index_serial_cmp))) 1785 { 1786 BIO_printf(bio_err, 1787 "error creating serial number index:(%ld,%ld,%ld)\n", 1788 db->db->error,db->db->arg1,db->db->arg2); 1789 return 0; 1790 } 1791 1792 if (db->attributes.unique_subject 1793 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1794 LHASH_HASH_FN(index_name_hash), 1795 LHASH_COMP_FN(index_name_cmp))) 1796 { 1797 BIO_printf(bio_err,"error creating name index:(%ld,%ld,%ld)\n", 1798 db->db->error,db->db->arg1,db->db->arg2); 1799 return 0; 1800 } 1801 return 1; 1802 } 1803 1804int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1805 { 1806 char buf[3][BSIZE]; 1807 BIO *out = BIO_new(BIO_s_file()); 1808 int j; 1809 1810 if (out == NULL) 1811 { 1812 ERR_print_errors(bio_err); 1813 goto err; 1814 } 1815 1816 j = strlen(dbfile) + strlen(suffix); 1817 if (j + 6 >= BSIZE) 1818 { 1819 BIO_printf(bio_err,"file name too long\n"); 1820 goto err; 1821 } 1822 1823#ifndef OPENSSL_SYS_VMS 1824 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile); 1825#else 1826 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile); 1827#endif 1828#ifndef OPENSSL_SYS_VMS 1829 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix); 1830#else 1831 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix); 1832#endif 1833#ifndef OPENSSL_SYS_VMS 1834 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix); 1835#else 1836 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix); 1837#endif 1838#ifdef RL_DEBUG 1839 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]); 1840#endif 1841 if (BIO_write_filename(out,buf[0]) <= 0) 1842 { 1843 perror(dbfile); 1844 BIO_printf(bio_err,"unable to open '%s'\n", dbfile); 1845 goto err; 1846 } 1847 j=TXT_DB_write(out,db->db); 1848 if (j <= 0) goto err; 1849 1850 BIO_free(out); 1851 1852 out = BIO_new(BIO_s_file()); 1853#ifdef RL_DEBUG 1854 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]); 1855#endif 1856 if (BIO_write_filename(out,buf[1]) <= 0) 1857 { 1858 perror(buf[2]); 1859 BIO_printf(bio_err,"unable to open '%s'\n", buf[2]); 1860 goto err; 1861 } 1862 BIO_printf(out,"unique_subject = %s\n", 1863 db->attributes.unique_subject ? "yes" : "no"); 1864 BIO_free(out); 1865 1866 return 1; 1867 err: 1868 return 0; 1869 } 1870 1871int rotate_index(const char *dbfile, const char *new_suffix, const char *old_suffix) 1872 { 1873 char buf[5][BSIZE]; 1874 int i,j; 1875 struct stat sb; 1876 1877 i = strlen(dbfile) + strlen(old_suffix); 1878 j = strlen(dbfile) + strlen(new_suffix); 1879 if (i > j) j = i; 1880 if (j + 6 >= BSIZE) 1881 { 1882 BIO_printf(bio_err,"file name too long\n"); 1883 goto err; 1884 } 1885 1886#ifndef OPENSSL_SYS_VMS 1887 j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile); 1888#else 1889 j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile); 1890#endif 1891#ifndef OPENSSL_SYS_VMS 1892 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", 1893 dbfile, new_suffix); 1894#else 1895 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", 1896 dbfile, new_suffix); 1897#endif 1898#ifndef OPENSSL_SYS_VMS 1899 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", 1900 dbfile, new_suffix); 1901#else 1902 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", 1903 dbfile, new_suffix); 1904#endif 1905#ifndef OPENSSL_SYS_VMS 1906 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", 1907 dbfile, old_suffix); 1908#else 1909 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", 1910 dbfile, old_suffix); 1911#endif 1912#ifndef OPENSSL_SYS_VMS 1913 j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", 1914 dbfile, old_suffix); 1915#else 1916 j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", 1917 dbfile, old_suffix); 1918#endif 1919 if (stat(dbfile,&sb) < 0) 1920 { 1921 if (errno != ENOENT 1922#ifdef ENOTDIR 1923 && errno != ENOTDIR 1924#endif 1925 ) 1926 goto err; 1927 } 1928 else 1929 { 1930#ifdef RL_DEBUG 1931 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1932 dbfile, buf[1]); 1933#endif 1934 if (rename(dbfile,buf[1]) < 0) 1935 { 1936 BIO_printf(bio_err, 1937 "unable to rename %s to %s\n", 1938 dbfile, buf[1]); 1939 perror("reason"); 1940 goto err; 1941 } 1942 } 1943#ifdef RL_DEBUG 1944 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1945 buf[0],dbfile); 1946#endif 1947 if (rename(buf[0],dbfile) < 0) 1948 { 1949 BIO_printf(bio_err, 1950 "unable to rename %s to %s\n", 1951 buf[0],dbfile); 1952 perror("reason"); 1953 rename(buf[1],dbfile); 1954 goto err; 1955 } 1956 if (stat(buf[4],&sb) < 0) 1957 { 1958 if (errno != ENOENT 1959#ifdef ENOTDIR 1960 && errno != ENOTDIR 1961#endif 1962 ) 1963 goto err; 1964 } 1965 else 1966 { 1967#ifdef RL_DEBUG 1968 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1969 buf[4],buf[3]); 1970#endif 1971 if (rename(buf[4],buf[3]) < 0) 1972 { 1973 BIO_printf(bio_err, 1974 "unable to rename %s to %s\n", 1975 buf[4], buf[3]); 1976 perror("reason"); 1977 rename(dbfile,buf[0]); 1978 rename(buf[1],dbfile); 1979 goto err; 1980 } 1981 } 1982#ifdef RL_DEBUG 1983 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1984 buf[2],buf[4]); 1985#endif 1986 if (rename(buf[2],buf[4]) < 0) 1987 { 1988 BIO_printf(bio_err, 1989 "unable to rename %s to %s\n", 1990 buf[2],buf[4]); 1991 perror("reason"); 1992 rename(buf[3],buf[4]); 1993 rename(dbfile,buf[0]); 1994 rename(buf[1],dbfile); 1995 goto err; 1996 } 1997 return 1; 1998 err: 1999 return 0; 2000 } 2001 2002void free_index(CA_DB *db) 2003 { 2004 if (db) 2005 { 2006 if (db->db) TXT_DB_free(db->db); 2007 OPENSSL_free(db); 2008 } 2009 } 2010 2011int parse_yesno(const char *str, int def) 2012 { 2013 int ret = def; 2014 if (str) 2015 { 2016 switch (*str) 2017 { 2018 case 'f': /* false */ 2019 case 'F': /* FALSE */ 2020 case 'n': /* no */ 2021 case 'N': /* NO */ 2022 case '0': /* 0 */ 2023 ret = 0; 2024 break; 2025 case 't': /* true */ 2026 case 'T': /* TRUE */ 2027 case 'y': /* yes */ 2028 case 'Y': /* YES */ 2029 case '1': /* 1 */ 2030 ret = 1; 2031 break; 2032 default: 2033 ret = def; 2034 break; 2035 } 2036 } 2037 return ret; 2038 } 2039 2040/* 2041 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 2042 * where characters may be escaped by \ 2043 */ 2044X509_NAME *parse_name(char *subject, long chtype, int multirdn) 2045 { 2046 size_t buflen = strlen(subject)+1; /* to copy the types and values into. due to escaping, the copy can only become shorter */ 2047 char *buf = OPENSSL_malloc(buflen); 2048 size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */ 2049 char **ne_types = OPENSSL_malloc(max_ne * sizeof (char *)); 2050 char **ne_values = OPENSSL_malloc(max_ne * sizeof (char *)); 2051 int *mval = OPENSSL_malloc (max_ne * sizeof (int)); 2052 2053 char *sp = subject, *bp = buf; 2054 int i, ne_num = 0; 2055 2056 X509_NAME *n = NULL; 2057 int nid; 2058 2059 if (!buf || !ne_types || !ne_values || !mval) 2060 { 2061 BIO_printf(bio_err, "malloc error\n"); 2062 goto error; 2063 } 2064 2065 if (*subject != '/') 2066 { 2067 BIO_printf(bio_err, "Subject does not start with '/'.\n"); 2068 goto error; 2069 } 2070 sp++; /* skip leading / */ 2071 2072 /* no multivalued RDN by default */ 2073 mval[ne_num] = 0; 2074 2075 while (*sp) 2076 { 2077 /* collect type */ 2078 ne_types[ne_num] = bp; 2079 while (*sp) 2080 { 2081 if (*sp == '\\') /* is there anything to escape in the type...? */ 2082 { 2083 if (*++sp) 2084 *bp++ = *sp++; 2085 else 2086 { 2087 BIO_printf(bio_err, "escape character at end of string\n"); 2088 goto error; 2089 } 2090 } 2091 else if (*sp == '=') 2092 { 2093 sp++; 2094 *bp++ = '\0'; 2095 break; 2096 } 2097 else 2098 *bp++ = *sp++; 2099 } 2100 if (!*sp) 2101 { 2102 BIO_printf(bio_err, "end of string encountered while processing type of subject name element #%d\n", ne_num); 2103 goto error; 2104 } 2105 ne_values[ne_num] = bp; 2106 while (*sp) 2107 { 2108 if (*sp == '\\') 2109 { 2110 if (*++sp) 2111 *bp++ = *sp++; 2112 else 2113 { 2114 BIO_printf(bio_err, "escape character at end of string\n"); 2115 goto error; 2116 } 2117 } 2118 else if (*sp == '/') 2119 { 2120 sp++; 2121 /* no multivalued RDN by default */ 2122 mval[ne_num+1] = 0; 2123 break; 2124 } 2125 else if (*sp == '+' && multirdn) 2126 { 2127 /* a not escaped + signals a mutlivalued RDN */ 2128 sp++; 2129 mval[ne_num+1] = -1; 2130 break; 2131 } 2132 else 2133 *bp++ = *sp++; 2134 } 2135 *bp++ = '\0'; 2136 ne_num++; 2137 } 2138 2139 if (!(n = X509_NAME_new())) 2140 goto error; 2141 2142 for (i = 0; i < ne_num; i++) 2143 { 2144 if ((nid=OBJ_txt2nid(ne_types[i])) == NID_undef) 2145 { 2146 BIO_printf(bio_err, "Subject Attribute %s has no known NID, skipped\n", ne_types[i]); 2147 continue; 2148 } 2149 2150 if (!*ne_values[i]) 2151 { 2152 BIO_printf(bio_err, "No value provided for Subject Attribute %s, skipped\n", ne_types[i]); 2153 continue; 2154 } 2155 2156 if (!X509_NAME_add_entry_by_NID(n, nid, chtype, (unsigned char*)ne_values[i], -1,-1,mval[i])) 2157 goto error; 2158 } 2159 2160 OPENSSL_free(ne_values); 2161 OPENSSL_free(ne_types); 2162 OPENSSL_free(buf); 2163 OPENSSL_free(mval); 2164 return n; 2165 2166error: 2167 X509_NAME_free(n); 2168 if (ne_values) 2169 OPENSSL_free(ne_values); 2170 if (ne_types) 2171 OPENSSL_free(ne_types); 2172 if (mval) 2173 OPENSSL_free(mval); 2174 if (buf) 2175 OPENSSL_free(buf); 2176 return NULL; 2177} 2178 2179/* This code MUST COME AFTER anything that uses rename() */ 2180#ifdef OPENSSL_SYS_WIN32 2181int WIN32_rename(const char *from, const char *to) 2182 { 2183#ifndef OPENSSL_SYS_WINCE 2184 /* Windows rename gives an error if 'to' exists, so delete it 2185 * first and ignore file not found errror 2186 */ 2187 if((remove(to) != 0) && (errno != ENOENT)) 2188 return -1; 2189#undef rename 2190 return rename(from, to); 2191#else 2192 /* convert strings to UNICODE */ 2193 { 2194 BOOL result = FALSE; 2195 WCHAR* wfrom; 2196 WCHAR* wto; 2197 int i; 2198 wfrom = malloc((strlen(from)+1)*2); 2199 wto = malloc((strlen(to)+1)*2); 2200 if (wfrom != NULL && wto != NULL) 2201 { 2202 for (i=0; i<(int)strlen(from)+1; i++) 2203 wfrom[i] = (short)from[i]; 2204 for (i=0; i<(int)strlen(to)+1; i++) 2205 wto[i] = (short)to[i]; 2206 result = MoveFile(wfrom, wto); 2207 } 2208 if (wfrom != NULL) 2209 free(wfrom); 2210 if (wto != NULL) 2211 free(wto); 2212 return result; 2213 } 2214#endif 2215 } 2216#endif 2217 2218int args_verify(char ***pargs, int *pargc, 2219 int *badarg, BIO *err, X509_VERIFY_PARAM **pm) 2220 { 2221 ASN1_OBJECT *otmp = NULL; 2222 unsigned long flags = 0; 2223 int i; 2224 int purpose = 0; 2225 char **oldargs = *pargs; 2226 char *arg = **pargs, *argn = (*pargs)[1]; 2227 if (!strcmp(arg, "-policy")) 2228 { 2229 if (!argn) 2230 *badarg = 1; 2231 else 2232 { 2233 otmp = OBJ_txt2obj(argn, 0); 2234 if (!otmp) 2235 { 2236 BIO_printf(err, "Invalid Policy \"%s\"\n", 2237 argn); 2238 *badarg = 1; 2239 } 2240 } 2241 (*pargs)++; 2242 } 2243 else if (strcmp(arg,"-purpose") == 0) 2244 { 2245 X509_PURPOSE *xptmp; 2246 if (!argn) 2247 *badarg = 1; 2248 else 2249 { 2250 i = X509_PURPOSE_get_by_sname(argn); 2251 if(i < 0) 2252 { 2253 BIO_printf(err, "unrecognized purpose\n"); 2254 *badarg = 1; 2255 } 2256 else 2257 { 2258 xptmp = X509_PURPOSE_get0(i); 2259 purpose = X509_PURPOSE_get_id(xptmp); 2260 } 2261 } 2262 (*pargs)++; 2263 } 2264 else if (!strcmp(arg, "-ignore_critical")) 2265 flags |= X509_V_FLAG_IGNORE_CRITICAL; 2266 else if (!strcmp(arg, "-issuer_checks")) 2267 flags |= X509_V_FLAG_CB_ISSUER_CHECK; 2268 else if (!strcmp(arg, "-crl_check")) 2269 flags |= X509_V_FLAG_CRL_CHECK; 2270 else if (!strcmp(arg, "-crl_check_all")) 2271 flags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL; 2272 else if (!strcmp(arg, "-policy_check")) 2273 flags |= X509_V_FLAG_POLICY_CHECK; 2274 else if (!strcmp(arg, "-explicit_policy")) 2275 flags |= X509_V_FLAG_EXPLICIT_POLICY; 2276 else if (!strcmp(arg, "-x509_strict")) 2277 flags |= X509_V_FLAG_X509_STRICT; 2278 else if (!strcmp(arg, "-policy_print")) 2279 flags |= X509_V_FLAG_NOTIFY_POLICY; 2280 else if (!strcmp(arg, "-check_ss_sig")) 2281 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE; 2282 else 2283 return 0; 2284 2285 if (*badarg) 2286 { 2287 if (*pm) 2288 X509_VERIFY_PARAM_free(*pm); 2289 *pm = NULL; 2290 goto end; 2291 } 2292 2293 if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) 2294 { 2295 *badarg = 1; 2296 goto end; 2297 } 2298 2299 if (otmp) 2300 X509_VERIFY_PARAM_add0_policy(*pm, otmp); 2301 if (flags) 2302 X509_VERIFY_PARAM_set_flags(*pm, flags); 2303 2304 if (purpose) 2305 X509_VERIFY_PARAM_set_purpose(*pm, purpose); 2306 2307 end: 2308 2309 (*pargs)++; 2310 2311 if (pargc) 2312 *pargc -= *pargs - oldargs; 2313 2314 return 1; 2315 2316 } 2317 2318static void nodes_print(BIO *out, const char *name, 2319 STACK_OF(X509_POLICY_NODE) *nodes) 2320 { 2321 X509_POLICY_NODE *node; 2322 int i; 2323 BIO_printf(out, "%s Policies:", name); 2324 if (nodes) 2325 { 2326 BIO_puts(out, "\n"); 2327 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) 2328 { 2329 node = sk_X509_POLICY_NODE_value(nodes, i); 2330 X509_POLICY_NODE_print(out, node, 2); 2331 } 2332 } 2333 else 2334 BIO_puts(out, " <empty>\n"); 2335 } 2336 2337void policies_print(BIO *out, X509_STORE_CTX *ctx) 2338 { 2339 X509_POLICY_TREE *tree; 2340 int explicit_policy; 2341 int free_out = 0; 2342 if (out == NULL) 2343 { 2344 out = BIO_new_fp(stderr, BIO_NOCLOSE); 2345 free_out = 1; 2346 } 2347 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2348 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2349 2350 BIO_printf(out, "Require explicit Policy: %s\n", 2351 explicit_policy ? "True" : "False"); 2352 2353 nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree)); 2354 nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree)); 2355 if (free_out) 2356 BIO_free(out); 2357 } 2358 2359#ifndef OPENSSL_NO_JPAKE 2360 2361static JPAKE_CTX *jpake_init(const char *us, const char *them, 2362 const char *secret) 2363 { 2364 BIGNUM *p = NULL; 2365 BIGNUM *g = NULL; 2366 BIGNUM *q = NULL; 2367 BIGNUM *bnsecret = BN_new(); 2368 JPAKE_CTX *ctx; 2369 2370 /* Use a safe prime for p (that we found earlier) */ 2371 BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F"); 2372 g = BN_new(); 2373 BN_set_word(g, 2); 2374 q = BN_new(); 2375 BN_rshift1(q, p); 2376 2377 BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret); 2378 2379 ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret); 2380 BN_free(bnsecret); 2381 BN_free(q); 2382 BN_free(g); 2383 BN_free(p); 2384 2385 return ctx; 2386 } 2387 2388static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p) 2389 { 2390 BN_print(conn, p->gx); 2391 BIO_puts(conn, "\n"); 2392 BN_print(conn, p->zkpx.gr); 2393 BIO_puts(conn, "\n"); 2394 BN_print(conn, p->zkpx.b); 2395 BIO_puts(conn, "\n"); 2396 } 2397 2398static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx) 2399 { 2400 JPAKE_STEP1 s1; 2401 2402 JPAKE_STEP1_init(&s1); 2403 JPAKE_STEP1_generate(&s1, ctx); 2404 jpake_send_part(bconn, &s1.p1); 2405 jpake_send_part(bconn, &s1.p2); 2406 (void)BIO_flush(bconn); 2407 JPAKE_STEP1_release(&s1); 2408 } 2409 2410static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx) 2411 { 2412 JPAKE_STEP2 s2; 2413 2414 JPAKE_STEP2_init(&s2); 2415 JPAKE_STEP2_generate(&s2, ctx); 2416 jpake_send_part(bconn, &s2); 2417 (void)BIO_flush(bconn); 2418 JPAKE_STEP2_release(&s2); 2419 } 2420 2421static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx) 2422 { 2423 JPAKE_STEP3A s3a; 2424 2425 JPAKE_STEP3A_init(&s3a); 2426 JPAKE_STEP3A_generate(&s3a, ctx); 2427 BIO_write(bconn, s3a.hhk, sizeof s3a.hhk); 2428 (void)BIO_flush(bconn); 2429 JPAKE_STEP3A_release(&s3a); 2430 } 2431 2432static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx) 2433 { 2434 JPAKE_STEP3B s3b; 2435 2436 JPAKE_STEP3B_init(&s3b); 2437 JPAKE_STEP3B_generate(&s3b, ctx); 2438 BIO_write(bconn, s3b.hk, sizeof s3b.hk); 2439 (void)BIO_flush(bconn); 2440 JPAKE_STEP3B_release(&s3b); 2441 } 2442 2443static void readbn(BIGNUM **bn, BIO *bconn) 2444 { 2445 char buf[10240]; 2446 int l; 2447 2448 l = BIO_gets(bconn, buf, sizeof buf); 2449 assert(l > 0); 2450 assert(buf[l-1] == '\n'); 2451 buf[l-1] = '\0'; 2452 BN_hex2bn(bn, buf); 2453 } 2454 2455static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn) 2456 { 2457 readbn(&p->gx, bconn); 2458 readbn(&p->zkpx.gr, bconn); 2459 readbn(&p->zkpx.b, bconn); 2460 } 2461 2462static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn) 2463 { 2464 JPAKE_STEP1 s1; 2465 2466 JPAKE_STEP1_init(&s1); 2467 jpake_receive_part(&s1.p1, bconn); 2468 jpake_receive_part(&s1.p2, bconn); 2469 if(!JPAKE_STEP1_process(ctx, &s1)) 2470 { 2471 ERR_print_errors(bio_err); 2472 exit(1); 2473 } 2474 JPAKE_STEP1_release(&s1); 2475 } 2476 2477static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn) 2478 { 2479 JPAKE_STEP2 s2; 2480 2481 JPAKE_STEP2_init(&s2); 2482 jpake_receive_part(&s2, bconn); 2483 if(!JPAKE_STEP2_process(ctx, &s2)) 2484 { 2485 ERR_print_errors(bio_err); 2486 exit(1); 2487 } 2488 JPAKE_STEP2_release(&s2); 2489 } 2490 2491static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn) 2492 { 2493 JPAKE_STEP3A s3a; 2494 int l; 2495 2496 JPAKE_STEP3A_init(&s3a); 2497 l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk); 2498 assert(l == sizeof s3a.hhk); 2499 if(!JPAKE_STEP3A_process(ctx, &s3a)) 2500 { 2501 ERR_print_errors(bio_err); 2502 exit(1); 2503 } 2504 JPAKE_STEP3A_release(&s3a); 2505 } 2506 2507static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn) 2508 { 2509 JPAKE_STEP3B s3b; 2510 int l; 2511 2512 JPAKE_STEP3B_init(&s3b); 2513 l = BIO_read(bconn, s3b.hk, sizeof s3b.hk); 2514 assert(l == sizeof s3b.hk); 2515 if(!JPAKE_STEP3B_process(ctx, &s3b)) 2516 { 2517 ERR_print_errors(bio_err); 2518 exit(1); 2519 } 2520 JPAKE_STEP3B_release(&s3b); 2521 } 2522 2523void jpake_client_auth(BIO *out, BIO *conn, const char *secret) 2524 { 2525 JPAKE_CTX *ctx; 2526 BIO *bconn; 2527 2528 BIO_puts(out, "Authenticating with JPAKE\n"); 2529 2530 ctx = jpake_init("client", "server", secret); 2531 2532 bconn = BIO_new(BIO_f_buffer()); 2533 BIO_push(bconn, conn); 2534 2535 jpake_send_step1(bconn, ctx); 2536 jpake_receive_step1(ctx, bconn); 2537 jpake_send_step2(bconn, ctx); 2538 jpake_receive_step2(ctx, bconn); 2539 jpake_send_step3a(bconn, ctx); 2540 jpake_receive_step3b(ctx, bconn); 2541 2542 /* 2543 * The problem is that you must use the derived key in the 2544 * session key or you are subject to man-in-the-middle 2545 * attacks. 2546 */ 2547 BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can" 2548 " be MitMed. See the version in HEAD for how to do it" 2549 " properly)\n"); 2550 2551 BIO_pop(bconn); 2552 BIO_free(bconn); 2553 } 2554 2555void jpake_server_auth(BIO *out, BIO *conn, const char *secret) 2556 { 2557 JPAKE_CTX *ctx; 2558 BIO *bconn; 2559 2560 BIO_puts(out, "Authenticating with JPAKE\n"); 2561 2562 ctx = jpake_init("server", "client", secret); 2563 2564 bconn = BIO_new(BIO_f_buffer()); 2565 BIO_push(bconn, conn); 2566 2567 jpake_receive_step1(ctx, bconn); 2568 jpake_send_step1(bconn, ctx); 2569 jpake_receive_step2(ctx, bconn); 2570 jpake_send_step2(bconn, ctx); 2571 jpake_receive_step3a(ctx, bconn); 2572 jpake_send_step3b(bconn, ctx); 2573 2574 /* 2575 * The problem is that you must use the derived key in the 2576 * session key or you are subject to man-in-the-middle 2577 * attacks. 2578 */ 2579 BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can" 2580 " be MitMed. See the version in HEAD for how to do it" 2581 " properly)\n"); 2582 2583 BIO_pop(bconn); 2584 BIO_free(bconn); 2585 } 2586 2587#endif 2588