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