apps.c revision 296465
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, 150 const NAME_EX_TBL * in_tbl); 151static int set_multi_opts(unsigned long *flags, const char *arg, 152 const NAME_EX_TBL * in_tbl); 153 154#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 155/* Looks like this stuff is worth moving into separate function */ 156static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file, 157 const char *key_descrip, int format); 158#endif 159 160int app_init(long mesgwin); 161#ifdef undef /* never finished - probably never will be 162 * :-) */ 163int args_from_file(char *file, int *argc, char **argv[]) 164{ 165 FILE *fp; 166 int num, i; 167 unsigned int len; 168 static char *buf = NULL; 169 static char **arg = NULL; 170 char *p; 171 struct stat stbuf; 172 173 if (stat(file, &stbuf) < 0) 174 return (0); 175 176 fp = fopen(file, "r"); 177 if (fp == NULL) 178 return (0); 179 180 *argc = 0; 181 *argv = NULL; 182 183 len = (unsigned int)stbuf.st_size; 184 if (buf != NULL) 185 OPENSSL_free(buf); 186 buf = (char *)OPENSSL_malloc(len + 1); 187 if (buf == NULL) 188 return (0); 189 190 len = fread(buf, 1, len, fp); 191 if (len <= 1) 192 return (0); 193 buf[len] = '\0'; 194 195 i = 0; 196 for (p = buf; *p; p++) 197 if (*p == '\n') 198 i++; 199 if (arg != NULL) 200 OPENSSL_free(arg); 201 arg = (char **)OPENSSL_malloc(sizeof(char *) * (i * 2)); 202 203 *argv = arg; 204 num = 0; 205 p = buf; 206 for (;;) { 207 if (!*p) 208 break; 209 if (*p == '#') { /* comment line */ 210 while (*p && (*p != '\n')) 211 p++; 212 continue; 213 } 214 /* else we have a line */ 215 *(arg++) = p; 216 num++; 217 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n'))) 218 p++; 219 if (!*p) 220 break; 221 if (*p == '\n') { 222 *(p++) = '\0'; 223 continue; 224 } 225 /* else it is a tab or space */ 226 p++; 227 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n'))) 228 p++; 229 if (!*p) 230 break; 231 if (*p == '\n') { 232 p++; 233 continue; 234 } 235 *(arg++) = p++; 236 num++; 237 while (*p && (*p != '\n')) 238 p++; 239 if (!*p) 240 break; 241 /* else *p == '\n' */ 242 *(p++) = '\0'; 243 } 244 *argc = num; 245 return (1); 246} 247#endif 248 249int str2fmt(char *s) 250{ 251 if ((*s == 'D') || (*s == 'd')) 252 return (FORMAT_ASN1); 253 else if ((*s == 'T') || (*s == 't')) 254 return (FORMAT_TEXT); 255 else if ((*s == 'P') || (*s == 'p')) 256 return (FORMAT_PEM); 257 else if ((*s == 'N') || (*s == 'n')) 258 return (FORMAT_NETSCAPE); 259 else if ((*s == 'S') || (*s == 's')) 260 return (FORMAT_SMIME); 261 else if ((*s == '1') 262 || (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0) 263 || (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0)) 264 return (FORMAT_PKCS12); 265 else if ((*s == 'E') || (*s == 'e')) 266 return (FORMAT_ENGINE); 267 else 268 return (FORMAT_UNDEF); 269} 270 271#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE) 272void program_name(char *in, char *out, int size) 273{ 274 int i, n; 275 char *p = NULL; 276 277 n = strlen(in); 278 /* find the last '/', '\' or ':' */ 279 for (i = n - 1; i > 0; i--) { 280 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':')) { 281 p = &(in[i + 1]); 282 break; 283 } 284 } 285 if (p == NULL) 286 p = in; 287 n = strlen(p); 288 289# if defined(OPENSSL_SYS_NETWARE) 290 /* strip off trailing .nlm if present. */ 291 if ((n > 4) && (p[n - 4] == '.') && 292 ((p[n - 3] == 'n') || (p[n - 3] == 'N')) && 293 ((p[n - 2] == 'l') || (p[n - 2] == 'L')) && 294 ((p[n - 1] == 'm') || (p[n - 1] == 'M'))) 295 n -= 4; 296# else 297 /* strip off trailing .exe if present. */ 298 if ((n > 4) && (p[n - 4] == '.') && 299 ((p[n - 3] == 'e') || (p[n - 3] == 'E')) && 300 ((p[n - 2] == 'x') || (p[n - 2] == 'X')) && 301 ((p[n - 1] == 'e') || (p[n - 1] == 'E'))) 302 n -= 4; 303# endif 304 305 if (n > size - 1) 306 n = size - 1; 307 308 for (i = 0; i < n; i++) { 309 if ((p[i] >= 'A') && (p[i] <= 'Z')) 310 out[i] = p[i] - 'A' + 'a'; 311 else 312 out[i] = p[i]; 313 } 314 out[n] = '\0'; 315} 316#else 317# ifdef OPENSSL_SYS_VMS 318void program_name(char *in, char *out, int size) 319{ 320 char *p = in, *q; 321 char *chars = ":]>"; 322 323 while (*chars != '\0') { 324 q = strrchr(p, *chars); 325 if (q > p) 326 p = q + 1; 327 chars++; 328 } 329 330 q = strrchr(p, '.'); 331 if (q == NULL) 332 q = p + strlen(p); 333 strncpy(out, p, size - 1); 334 if (q - p >= size) { 335 out[size - 1] = '\0'; 336 } else { 337 out[q - p] = '\0'; 338 } 339} 340# else 341void program_name(char *in, char *out, int size) 342{ 343 char *p; 344 345 p = strrchr(in, '/'); 346 if (p != NULL) 347 p++; 348 else 349 p = in; 350 BUF_strlcpy(out, p, size); 351} 352# endif 353#endif 354 355int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[]) 356{ 357 int num, i; 358 char *p; 359 360 *argc = 0; 361 *argv = NULL; 362 363 i = 0; 364 if (arg->count == 0) { 365 arg->count = 20; 366 arg->data = (char **)OPENSSL_malloc(sizeof(char *) * arg->count); 367 if (arg->data == NULL) 368 return 0; 369 } 370 for (i = 0; i < arg->count; i++) 371 arg->data[i] = NULL; 372 373 num = 0; 374 p = buf; 375 for (;;) { 376 /* first scan over white space */ 377 if (!*p) 378 break; 379 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n'))) 380 p++; 381 if (!*p) 382 break; 383 384 /* The start of something good :-) */ 385 if (num >= arg->count) { 386 char **tmp_p; 387 int tlen = arg->count + 20; 388 tmp_p = (char **)OPENSSL_realloc(arg->data, 389 sizeof(char *) * tlen); 390 if (tmp_p == NULL) 391 return 0; 392 arg->data = tmp_p; 393 arg->count = tlen; 394 /* initialize newly allocated data */ 395 for (i = num; i < arg->count; i++) 396 arg->data[i] = NULL; 397 } 398 arg->data[num++] = p; 399 400 /* now look for the end of this */ 401 if ((*p == '\'') || (*p == '\"')) { /* scan for closing quote */ 402 i = *(p++); 403 arg->data[num - 1]++; /* jump over quote */ 404 while (*p && (*p != i)) 405 p++; 406 *p = '\0'; 407 } else { 408 while (*p && ((*p != ' ') && (*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 430int dump_cert_text(BIO *out, X509 *x) 431{ 432 char *p; 433 434 p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0); 435 BIO_puts(out, "subject="); 436 BIO_puts(out, p); 437 OPENSSL_free(p); 438 439 p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0); 440 BIO_puts(out, "\nissuer="); 441 BIO_puts(out, p); 442 BIO_puts(out, "\n"); 443 OPENSSL_free(p); 444 445 return 0; 446} 447 448static int ui_open(UI *ui) 449{ 450 return UI_method_get_opener(UI_OpenSSL())(ui); 451} 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 switch (UI_get_string_type(uis)) { 458 case UIT_PROMPT: 459 case UIT_VERIFY: 460 { 461 const char *password = 462 ((PW_CB_DATA *)UI_get0_user_data(ui))->password; 463 if (password && password[0] != '\0') { 464 UI_set_result(ui, uis, password); 465 return 1; 466 } 467 } 468 default: 469 break; 470 } 471 } 472 return UI_method_get_reader(UI_OpenSSL())(ui, uis); 473} 474 475static int ui_write(UI *ui, UI_STRING *uis) 476{ 477 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD 478 && UI_get0_user_data(ui)) { 479 switch (UI_get_string_type(uis)) { 480 case UIT_PROMPT: 481 case UIT_VERIFY: 482 { 483 const char *password = 484 ((PW_CB_DATA *)UI_get0_user_data(ui))->password; 485 if (password && password[0] != '\0') 486 return 1; 487 } 488 default: 489 break; 490 } 491 } 492 return UI_method_get_writer(UI_OpenSSL())(ui, uis); 493} 494 495static int ui_close(UI *ui) 496{ 497 return UI_method_get_closer(UI_OpenSSL())(ui); 498} 499 500int setup_ui_method(void) 501{ 502 ui_method = UI_create_method("OpenSSL application user interface"); 503 UI_method_set_opener(ui_method, ui_open); 504 UI_method_set_reader(ui_method, ui_read); 505 UI_method_set_writer(ui_method, ui_write); 506 UI_method_set_closer(ui_method, ui_close); 507 return 0; 508} 509 510void destroy_ui_method(void) 511{ 512 if (ui_method) { 513 UI_destroy_method(ui_method); 514 ui_method = NULL; 515 } 516} 517 518int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp) 519{ 520 UI *ui = NULL; 521 int res = 0; 522 const char *prompt_info = NULL; 523 const char *password = NULL; 524 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp; 525 526 if (cb_data) { 527 if (cb_data->password) 528 password = cb_data->password; 529 if (cb_data->prompt_info) 530 prompt_info = cb_data->prompt_info; 531 } 532 533 if (password) { 534 res = strlen(password); 535 if (res > bufsiz) 536 res = bufsiz; 537 memcpy(buf, password, res); 538 return res; 539 } 540 541 ui = UI_new_method(ui_method); 542 if (ui) { 543 int ok = 0; 544 char *buff = NULL; 545 int ui_flags = 0; 546 char *prompt = NULL; 547 548 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info); 549 550 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD; 551 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0); 552 553 if (ok >= 0) 554 ok = UI_add_input_string(ui, prompt, ui_flags, buf, 555 PW_MIN_LENGTH, bufsiz - 1); 556 if (ok >= 0 && verify) { 557 buff = (char *)OPENSSL_malloc(bufsiz); 558 ok = UI_add_verify_string(ui, prompt, ui_flags, buff, 559 PW_MIN_LENGTH, bufsiz - 1, buf); 560 } 561 if (ok >= 0) 562 do { 563 ok = UI_process(ui); 564 } 565 while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0)); 566 567 if (buff) { 568 OPENSSL_cleanse(buff, (unsigned int)bufsiz); 569 OPENSSL_free(buff); 570 } 571 572 if (ok >= 0) 573 res = strlen(buf); 574 if (ok == -1) { 575 BIO_printf(bio_err, "User interface error\n"); 576 ERR_print_errors(bio_err); 577 OPENSSL_cleanse(buf, (unsigned int)bufsiz); 578 res = 0; 579 } 580 if (ok == -2) { 581 BIO_printf(bio_err, "aborted!\n"); 582 OPENSSL_cleanse(buf, (unsigned int)bufsiz); 583 res = 0; 584 } 585 UI_free(ui); 586 OPENSSL_free(prompt); 587 } 588 return res; 589} 590 591static char *app_get_pass(BIO *err, char *arg, int keepbio); 592 593int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2) 594{ 595 int same; 596 if (!arg2 || !arg1 || strcmp(arg1, arg2)) 597 same = 0; 598 else 599 same = 1; 600 if (arg1) { 601 *pass1 = app_get_pass(err, arg1, same); 602 if (!*pass1) 603 return 0; 604 } else if (pass1) 605 *pass1 = NULL; 606 if (arg2) { 607 *pass2 = app_get_pass(err, arg2, same ? 2 : 0); 608 if (!*pass2) 609 return 0; 610 } else if (pass2) 611 *pass2 = NULL; 612 return 1; 613} 614 615static char *app_get_pass(BIO *err, char *arg, int keepbio) 616{ 617 char *tmp, tpass[APP_PASS_LEN]; 618 static BIO *pwdbio = NULL; 619 int i; 620 if (!strncmp(arg, "pass:", 5)) 621 return BUF_strdup(arg + 5); 622 if (!strncmp(arg, "env:", 4)) { 623 tmp = getenv(arg + 4); 624 if (!tmp) { 625 BIO_printf(err, "Can't read environment variable %s\n", arg + 4); 626 return NULL; 627 } 628 return BUF_strdup(tmp); 629 } 630 if (!keepbio || !pwdbio) { 631 if (!strncmp(arg, "file:", 5)) { 632 pwdbio = BIO_new_file(arg + 5, "r"); 633 if (!pwdbio) { 634 BIO_printf(err, "Can't open file %s\n", arg + 5); 635 return NULL; 636 } 637 } else if (!strncmp(arg, "fd:", 3)) { 638 BIO *btmp; 639 i = atoi(arg + 3); 640 if (i >= 0) 641 pwdbio = BIO_new_fd(i, BIO_NOCLOSE); 642 if ((i < 0) || !pwdbio) { 643 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3); 644 return NULL; 645 } 646 /* 647 * Can't do BIO_gets on an fd BIO so add a buffering BIO 648 */ 649 btmp = BIO_new(BIO_f_buffer()); 650 pwdbio = BIO_push(btmp, pwdbio); 651 } else if (!strcmp(arg, "stdin")) { 652 pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE); 653 if (!pwdbio) { 654 BIO_printf(err, "Can't open BIO for stdin\n"); 655 return NULL; 656 } 657 } else { 658 BIO_printf(err, "Invalid password argument \"%s\"\n", arg); 659 return NULL; 660 } 661 } 662 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN); 663 if (keepbio != 1) { 664 BIO_free_all(pwdbio); 665 pwdbio = NULL; 666 } 667 if (i <= 0) { 668 BIO_printf(err, "Error reading password from BIO\n"); 669 return NULL; 670 } 671 tmp = strchr(tpass, '\n'); 672 if (tmp) 673 *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 ERR_clear_error(); 685 return 1; 686 } 687 if (!(sktmp = NCONF_get_section(conf, p))) { 688 BIO_printf(err, "problem loading oid section %s\n", p); 689 return 0; 690 } 691 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 692 cnf = sk_CONF_VALUE_value(sktmp, i); 693 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) { 694 BIO_printf(err, "problem creating object %s=%s\n", 695 cnf->name, cnf->value); 696 return 0; 697 } 698 } 699 return 1; 700} 701 702static int load_pkcs12(BIO *err, BIO *in, const char *desc, 703 pem_password_cb *pem_cb, void *cb_data, 704 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca) 705{ 706 const char *pass; 707 char tpass[PEM_BUFSIZE]; 708 int len, ret = 0; 709 PKCS12 *p12; 710 p12 = d2i_PKCS12_bio(in, NULL); 711 if (p12 == NULL) { 712 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc); 713 goto die; 714 } 715 /* See if an empty password will do */ 716 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) 717 pass = ""; 718 else { 719 if (!pem_cb) 720 pem_cb = (pem_password_cb *)password_callback; 721 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data); 722 if (len < 0) { 723 BIO_printf(err, "Passpharse callback error for %s\n", desc); 724 goto die; 725 } 726 if (len < PEM_BUFSIZE) 727 tpass[len] = 0; 728 if (!PKCS12_verify_mac(p12, tpass, len)) { 729 BIO_printf(err, 730 "Mac verify error (wrong password?) in PKCS12 file for %s\n", 731 desc); 732 goto die; 733 } 734 pass = tpass; 735 } 736 ret = PKCS12_parse(p12, pass, pkey, cert, ca); 737 die: 738 if (p12) 739 PKCS12_free(p12); 740 return ret; 741} 742 743X509 *load_cert(BIO *err, const char *file, int format, 744 const char *pass, ENGINE *e, const char *cert_descrip) 745{ 746 ASN1_HEADER *ah = NULL; 747 BUF_MEM *buf = NULL; 748 X509 *x = NULL; 749 BIO *cert; 750 751 if ((cert = BIO_new(BIO_s_file())) == NULL) { 752 ERR_print_errors(err); 753 goto end; 754 } 755 756 if (file == NULL) { 757 setvbuf(stdin, NULL, _IONBF, 0); 758 BIO_set_fp(cert, stdin, BIO_NOCLOSE); 759 } else { 760 if (BIO_read_filename(cert, file) <= 0) { 761 BIO_printf(err, "Error opening %s %s\n", cert_descrip, file); 762 ERR_print_errors(err); 763 goto end; 764 } 765 } 766 767 if (format == FORMAT_ASN1) 768 x = d2i_X509_bio(cert, NULL); 769 else if (format == FORMAT_NETSCAPE) { 770 const unsigned char *p, *op; 771 int size = 0, i; 772 773 /* 774 * We sort of have to do it this way because it is sort of nice to 775 * read the header first and check it, then try to read the 776 * certificate 777 */ 778 buf = BUF_MEM_new(); 779 for (;;) { 780 if ((buf == NULL) || (!BUF_MEM_grow(buf, size + 1024 * 10))) 781 goto end; 782 i = BIO_read(cert, &(buf->data[size]), 1024 * 10); 783 size += i; 784 if (i == 0) 785 break; 786 if (i < 0) { 787 perror("reading certificate"); 788 goto end; 789 } 790 } 791 p = (unsigned char *)buf->data; 792 op = p; 793 794 /* First load the header */ 795 if ((ah = d2i_ASN1_HEADER(NULL, &p, (long)size)) == NULL) 796 goto end; 797 if ((ah->header == NULL) || (ah->header->data == NULL) || 798 (strncmp(NETSCAPE_CERT_HDR, (char *)ah->header->data, 799 ah->header->length) != 0)) { 800 BIO_printf(err, "Error reading header on certificate\n"); 801 goto end; 802 } 803 /* header is ok, so now read the object */ 804 p = op; 805 ah->meth = X509_asn1_meth(); 806 if ((ah = d2i_ASN1_HEADER(&ah, &p, (long)size)) == NULL) 807 goto end; 808 x = (X509 *)ah->data; 809 ah->data = NULL; 810 } else if (format == FORMAT_PEM) 811 x = PEM_read_bio_X509_AUX(cert, NULL, 812 (pem_password_cb *)password_callback, NULL); 813 else if (format == FORMAT_PKCS12) { 814 if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL, NULL, &x, NULL)) 815 goto end; 816 } else { 817 BIO_printf(err, "bad input format specified for %s\n", cert_descrip); 818 goto end; 819 } 820 end: 821 if (x == NULL) { 822 BIO_printf(err, "unable to load certificate\n"); 823 ERR_print_errors(err); 824 } 825 if (ah != NULL) 826 ASN1_HEADER_free(ah); 827 if (cert != NULL) 828 BIO_free(cert); 829 if (buf != NULL) 830 BUF_MEM_free(buf); 831 return (x); 832} 833 834EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin, 835 const char *pass, ENGINE *e, const char *key_descrip) 836{ 837 BIO *key = NULL; 838 EVP_PKEY *pkey = NULL; 839 PW_CB_DATA cb_data; 840 841 cb_data.password = pass; 842 cb_data.prompt_info = file; 843 844 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) { 845 BIO_printf(err, "no keyfile specified\n"); 846 goto end; 847 } 848#ifndef OPENSSL_NO_ENGINE 849 if (format == FORMAT_ENGINE) { 850 if (!e) 851 BIO_printf(err, "no engine specified\n"); 852 else { 853 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data); 854 if (!pkey) { 855 BIO_printf(err, "cannot load %s from engine\n", key_descrip); 856 ERR_print_errors(err); 857 } 858 } 859 goto end; 860 } 861#endif 862 key = BIO_new(BIO_s_file()); 863 if (key == NULL) { 864 ERR_print_errors(err); 865 goto end; 866 } 867 if (file == NULL && maybe_stdin) { 868 setvbuf(stdin, NULL, _IONBF, 0); 869 BIO_set_fp(key, stdin, BIO_NOCLOSE); 870 } else if (BIO_read_filename(key, file) <= 0) { 871 BIO_printf(err, "Error opening %s %s\n", key_descrip, file); 872 ERR_print_errors(err); 873 goto end; 874 } 875 if (format == FORMAT_ASN1) { 876 pkey = d2i_PrivateKey_bio(key, NULL); 877 } else if (format == FORMAT_PEM) { 878 pkey = PEM_read_bio_PrivateKey(key, NULL, 879 (pem_password_cb *)password_callback, 880 &cb_data); 881 } 882#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 883 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC) 884 pkey = load_netscape_key(err, key, file, key_descrip, format); 885#endif 886 else if (format == FORMAT_PKCS12) { 887 if (!load_pkcs12(err, key, key_descrip, 888 (pem_password_cb *)password_callback, &cb_data, 889 &pkey, NULL, NULL)) 890 goto end; 891 } else { 892 BIO_printf(err, "bad input format specified for key file\n"); 893 goto end; 894 } 895 end: 896 if (key != NULL) 897 BIO_free(key); 898 if (pkey == NULL) { 899 BIO_printf(err, "unable to load %s\n", key_descrip); 900 ERR_print_errors(err); 901 } 902 return (pkey); 903} 904 905EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin, 906 const char *pass, ENGINE *e, const char *key_descrip) 907{ 908 BIO *key = NULL; 909 EVP_PKEY *pkey = NULL; 910 PW_CB_DATA cb_data; 911 912 cb_data.password = pass; 913 cb_data.prompt_info = file; 914 915 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) { 916 BIO_printf(err, "no keyfile specified\n"); 917 goto end; 918 } 919#ifndef OPENSSL_NO_ENGINE 920 if (format == FORMAT_ENGINE) { 921 if (!e) 922 BIO_printf(bio_err, "no engine specified\n"); 923 else 924 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data); 925 goto end; 926 } 927#endif 928 key = BIO_new(BIO_s_file()); 929 if (key == NULL) { 930 ERR_print_errors(err); 931 goto end; 932 } 933 if (file == NULL && maybe_stdin) { 934 setvbuf(stdin, NULL, _IONBF, 0); 935 BIO_set_fp(key, stdin, BIO_NOCLOSE); 936 } else if (BIO_read_filename(key, file) <= 0) { 937 BIO_printf(err, "Error opening %s %s\n", key_descrip, file); 938 ERR_print_errors(err); 939 goto end; 940 } 941 if (format == FORMAT_ASN1) { 942 pkey = d2i_PUBKEY_bio(key, NULL); 943 } else if (format == FORMAT_PEM) { 944 pkey = PEM_read_bio_PUBKEY(key, NULL, 945 (pem_password_cb *)password_callback, 946 &cb_data); 947 } 948#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 949 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC) 950 pkey = load_netscape_key(err, key, file, key_descrip, format); 951#endif 952 else { 953 BIO_printf(err, "bad input format specified for key file\n"); 954 goto end; 955 } 956 end: 957 if (key != NULL) 958 BIO_free(key); 959 if (pkey == NULL) 960 BIO_printf(err, "unable to load %s\n", key_descrip); 961 return (pkey); 962} 963 964#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA) 965static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file, 966 const char *key_descrip, int format) 967{ 968 EVP_PKEY *pkey; 969 BUF_MEM *buf; 970 RSA *rsa; 971 const unsigned char *p; 972 int size, i; 973 974 buf = BUF_MEM_new(); 975 pkey = EVP_PKEY_new(); 976 size = 0; 977 if (buf == NULL || pkey == NULL) 978 goto error; 979 for (;;) { 980 if (!BUF_MEM_grow_clean(buf, size + 1024 * 10)) 981 goto error; 982 i = BIO_read(key, &(buf->data[size]), 1024 * 10); 983 size += i; 984 if (i == 0) 985 break; 986 if (i < 0) { 987 BIO_printf(err, "Error reading %s %s", key_descrip, file); 988 goto error; 989 } 990 } 991 p = (unsigned char *)buf->data; 992 rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL, 993 (format == FORMAT_IISSGC ? 1 : 0)); 994 if (rsa == NULL) 995 goto error; 996 BUF_MEM_free(buf); 997 EVP_PKEY_set1_RSA(pkey, rsa); 998 return pkey; 999 error: 1000 BUF_MEM_free(buf); 1001 EVP_PKEY_free(pkey); 1002 return NULL; 1003} 1004#endif /* ndef OPENSSL_NO_RC4 */ 1005 1006STACK_OF(X509) *load_certs(BIO *err, const char *file, int format, 1007 const char *pass, ENGINE *e, 1008 const char *cert_descrip) 1009{ 1010 BIO *certs; 1011 int i; 1012 STACK_OF(X509) *othercerts = NULL; 1013 STACK_OF(X509_INFO) *allcerts = NULL; 1014 X509_INFO *xi; 1015 PW_CB_DATA cb_data; 1016 1017 cb_data.password = pass; 1018 cb_data.prompt_info = file; 1019 1020 if ((certs = BIO_new(BIO_s_file())) == NULL) { 1021 ERR_print_errors(err); 1022 goto end; 1023 } 1024 1025 if (file == NULL) 1026 BIO_set_fp(certs, stdin, BIO_NOCLOSE); 1027 else { 1028 if (BIO_read_filename(certs, file) <= 0) { 1029 BIO_printf(err, "Error opening %s %s\n", cert_descrip, file); 1030 ERR_print_errors(err); 1031 goto end; 1032 } 1033 } 1034 1035 if (format == FORMAT_PEM) { 1036 othercerts = sk_X509_new_null(); 1037 if (!othercerts) { 1038 sk_X509_free(othercerts); 1039 othercerts = NULL; 1040 goto end; 1041 } 1042 allcerts = PEM_X509_INFO_read_bio(certs, NULL, (pem_password_cb *) 1043 password_callback, &cb_data); 1044 for (i = 0; i < sk_X509_INFO_num(allcerts); i++) { 1045 xi = sk_X509_INFO_value(allcerts, i); 1046 if (xi->x509) { 1047 sk_X509_push(othercerts, xi->x509); 1048 xi->x509 = NULL; 1049 } 1050 } 1051 goto end; 1052 } else { 1053 BIO_printf(err, "bad input format specified for %s\n", cert_descrip); 1054 goto end; 1055 } 1056 end: 1057 if (othercerts == NULL) { 1058 BIO_printf(err, "unable to load certificates\n"); 1059 ERR_print_errors(err); 1060 } 1061 if (allcerts) 1062 sk_X509_INFO_pop_free(allcerts, X509_INFO_free); 1063 if (certs != NULL) 1064 BIO_free(certs); 1065 return (othercerts); 1066} 1067 1068#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16) 1069/* Return error for unknown extensions */ 1070#define X509V3_EXT_DEFAULT 0 1071/* Print error for unknown extensions */ 1072#define X509V3_EXT_ERROR_UNKNOWN (1L << 16) 1073/* ASN1 parse unknown extensions */ 1074#define X509V3_EXT_PARSE_UNKNOWN (2L << 16) 1075/* BIO_dump unknown extensions */ 1076#define X509V3_EXT_DUMP_UNKNOWN (3L << 16) 1077 1078#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \ 1079 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION) 1080 1081int set_cert_ex(unsigned long *flags, const char *arg) 1082{ 1083 static const NAME_EX_TBL cert_tbl[] = { 1084 {"compatible", X509_FLAG_COMPAT, 0xffffffffl}, 1085 {"ca_default", X509_FLAG_CA, 0xffffffffl}, 1086 {"no_header", X509_FLAG_NO_HEADER, 0}, 1087 {"no_version", X509_FLAG_NO_VERSION, 0}, 1088 {"no_serial", X509_FLAG_NO_SERIAL, 0}, 1089 {"no_signame", X509_FLAG_NO_SIGNAME, 0}, 1090 {"no_validity", X509_FLAG_NO_VALIDITY, 0}, 1091 {"no_subject", X509_FLAG_NO_SUBJECT, 0}, 1092 {"no_issuer", X509_FLAG_NO_ISSUER, 0}, 1093 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0}, 1094 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0}, 1095 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0}, 1096 {"no_aux", X509_FLAG_NO_AUX, 0}, 1097 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0}, 1098 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK}, 1099 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1100 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1101 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK}, 1102 {NULL, 0, 0} 1103 }; 1104 return set_multi_opts(flags, arg, cert_tbl); 1105} 1106 1107int set_name_ex(unsigned long *flags, const char *arg) 1108{ 1109 static const NAME_EX_TBL ex_tbl[] = { 1110 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0}, 1111 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0}, 1112 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0}, 1113 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0}, 1114 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0}, 1115 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0}, 1116 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0}, 1117 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0}, 1118 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0}, 1119 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0}, 1120 {"compat", XN_FLAG_COMPAT, 0xffffffffL}, 1121 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK}, 1122 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK}, 1123 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK}, 1124 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK}, 1125 {"dn_rev", XN_FLAG_DN_REV, 0}, 1126 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK}, 1127 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK}, 1128 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK}, 1129 {"align", XN_FLAG_FN_ALIGN, 0}, 1130 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK}, 1131 {"space_eq", XN_FLAG_SPC_EQ, 0}, 1132 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0}, 1133 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL}, 1134 {"oneline", XN_FLAG_ONELINE, 0xffffffffL}, 1135 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL}, 1136 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL}, 1137 {NULL, 0, 0} 1138 }; 1139 return set_multi_opts(flags, arg, ex_tbl); 1140} 1141 1142int set_ext_copy(int *copy_type, const char *arg) 1143{ 1144 if (!strcasecmp(arg, "none")) 1145 *copy_type = EXT_COPY_NONE; 1146 else if (!strcasecmp(arg, "copy")) 1147 *copy_type = EXT_COPY_ADD; 1148 else if (!strcasecmp(arg, "copyall")) 1149 *copy_type = EXT_COPY_ALL; 1150 else 1151 return 0; 1152 return 1; 1153} 1154 1155int copy_extensions(X509 *x, X509_REQ *req, int copy_type) 1156{ 1157 STACK_OF(X509_EXTENSION) *exts = NULL; 1158 X509_EXTENSION *ext, *tmpext; 1159 ASN1_OBJECT *obj; 1160 int i, idx, ret = 0; 1161 if (!x || !req || (copy_type == EXT_COPY_NONE)) 1162 return 1; 1163 exts = X509_REQ_get_extensions(req); 1164 1165 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 1166 ext = sk_X509_EXTENSION_value(exts, i); 1167 obj = X509_EXTENSION_get_object(ext); 1168 idx = X509_get_ext_by_OBJ(x, obj, -1); 1169 /* Does extension exist? */ 1170 if (idx != -1) { 1171 /* If normal copy don't override existing extension */ 1172 if (copy_type == EXT_COPY_ADD) 1173 continue; 1174 /* Delete all extensions of same type */ 1175 do { 1176 tmpext = X509_get_ext(x, idx); 1177 X509_delete_ext(x, idx); 1178 X509_EXTENSION_free(tmpext); 1179 idx = X509_get_ext_by_OBJ(x, obj, -1); 1180 } while (idx != -1); 1181 } 1182 if (!X509_add_ext(x, ext, -1)) 1183 goto end; 1184 } 1185 1186 ret = 1; 1187 1188 end: 1189 1190 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); 1191 1192 return ret; 1193} 1194 1195static int set_multi_opts(unsigned long *flags, const char *arg, 1196 const NAME_EX_TBL * in_tbl) 1197{ 1198 STACK_OF(CONF_VALUE) *vals; 1199 CONF_VALUE *val; 1200 int i, ret = 1; 1201 if (!arg) 1202 return 0; 1203 vals = X509V3_parse_list(arg); 1204 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) { 1205 val = sk_CONF_VALUE_value(vals, i); 1206 if (!set_table_opts(flags, val->name, in_tbl)) 1207 ret = 0; 1208 } 1209 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free); 1210 return ret; 1211} 1212 1213static int set_table_opts(unsigned long *flags, const char *arg, 1214 const NAME_EX_TBL * in_tbl) 1215{ 1216 char c; 1217 const NAME_EX_TBL *ptbl; 1218 c = arg[0]; 1219 1220 if (c == '-') { 1221 c = 0; 1222 arg++; 1223 } else if (c == '+') { 1224 c = 1; 1225 arg++; 1226 } else 1227 c = 1; 1228 1229 for (ptbl = in_tbl; ptbl->name; ptbl++) { 1230 if (!strcasecmp(arg, ptbl->name)) { 1231 *flags &= ~ptbl->mask; 1232 if (c) 1233 *flags |= ptbl->flag; 1234 else 1235 *flags &= ~ptbl->flag; 1236 return 1; 1237 } 1238 } 1239 return 0; 1240} 1241 1242void print_name(BIO *out, const char *title, X509_NAME *nm, 1243 unsigned long lflags) 1244{ 1245 char *buf; 1246 char mline = 0; 1247 int indent = 0; 1248 1249 if (title) 1250 BIO_puts(out, title); 1251 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { 1252 mline = 1; 1253 indent = 4; 1254 } 1255 if (lflags == XN_FLAG_COMPAT) { 1256 buf = X509_NAME_oneline(nm, 0, 0); 1257 BIO_puts(out, buf); 1258 BIO_puts(out, "\n"); 1259 OPENSSL_free(buf); 1260 } else { 1261 if (mline) 1262 BIO_puts(out, "\n"); 1263 X509_NAME_print_ex(out, nm, indent, lflags); 1264 BIO_puts(out, "\n"); 1265 } 1266} 1267 1268X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath) 1269{ 1270 X509_STORE *store; 1271 X509_LOOKUP *lookup; 1272 if (!(store = X509_STORE_new())) 1273 goto end; 1274 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file()); 1275 if (lookup == NULL) 1276 goto end; 1277 if (CAfile) { 1278 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) { 1279 BIO_printf(bp, "Error loading file %s\n", CAfile); 1280 goto end; 1281 } 1282 } else 1283 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT); 1284 1285 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir()); 1286 if (lookup == NULL) 1287 goto end; 1288 if (CApath) { 1289 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) { 1290 BIO_printf(bp, "Error loading directory %s\n", CApath); 1291 goto end; 1292 } 1293 } else 1294 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT); 1295 1296 ERR_clear_error(); 1297 return store; 1298 end: 1299 X509_STORE_free(store); 1300 return NULL; 1301} 1302 1303#ifndef OPENSSL_NO_ENGINE 1304/* Try to load an engine in a shareable library */ 1305static ENGINE *try_load_engine(BIO *err, const char *engine, int debug) 1306{ 1307 ENGINE *e = ENGINE_by_id("dynamic"); 1308 if (e) { 1309 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0) 1310 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) { 1311 ENGINE_free(e); 1312 e = NULL; 1313 } 1314 } 1315 return e; 1316} 1317 1318ENGINE *setup_engine(BIO *err, const char *engine, int debug) 1319{ 1320 ENGINE *e = NULL; 1321 1322 if (engine) { 1323 if (strcmp(engine, "auto") == 0) { 1324 BIO_printf(err, "enabling auto ENGINE support\n"); 1325 ENGINE_register_all_complete(); 1326 return NULL; 1327 } 1328 if ((e = ENGINE_by_id(engine)) == NULL 1329 && (e = try_load_engine(err, engine, debug)) == NULL) { 1330 BIO_printf(err, "invalid engine \"%s\"\n", engine); 1331 ERR_print_errors(err); 1332 return NULL; 1333 } 1334 if (debug) { 1335 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, err, 0); 1336 } 1337 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1); 1338 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) { 1339 BIO_printf(err, "can't use that engine\n"); 1340 ERR_print_errors(err); 1341 ENGINE_free(e); 1342 return NULL; 1343 } 1344 1345 BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e)); 1346 1347 /* Free our "structural" reference. */ 1348 ENGINE_free(e); 1349 } 1350 return e; 1351} 1352#endif 1353 1354int load_config(BIO *err, CONF *cnf) 1355{ 1356 if (!cnf) 1357 cnf = config; 1358 if (!cnf) 1359 return 1; 1360 1361 OPENSSL_load_builtin_modules(); 1362 1363 if (CONF_modules_load(cnf, NULL, 0) <= 0) { 1364 BIO_printf(err, "Error configuring OpenSSL\n"); 1365 ERR_print_errors(err); 1366 return 0; 1367 } 1368 return 1; 1369} 1370 1371char *make_config_name() 1372{ 1373 const char *t = X509_get_default_cert_area(); 1374 size_t len; 1375 char *p; 1376 1377 len = strlen(t) + strlen(OPENSSL_CONF) + 2; 1378 p = OPENSSL_malloc(len); 1379 if (p == NULL) 1380 return NULL; 1381 BUF_strlcpy(p, t, len); 1382#ifndef OPENSSL_SYS_VMS 1383 BUF_strlcat(p, "/", len); 1384#endif 1385 BUF_strlcat(p, OPENSSL_CONF, len); 1386 1387 return p; 1388} 1389 1390static unsigned long index_serial_hash(const char **a) 1391{ 1392 const char *n; 1393 1394 n = a[DB_serial]; 1395 while (*n == '0') 1396 n++; 1397 return (lh_strhash(n)); 1398} 1399 1400static int index_serial_cmp(const char **a, const char **b) 1401{ 1402 const char *aa, *bb; 1403 1404 for (aa = a[DB_serial]; *aa == '0'; aa++) ; 1405 for (bb = b[DB_serial]; *bb == '0'; bb++) ; 1406 return (strcmp(aa, bb)); 1407} 1408 1409static int index_name_qual(char **a) 1410{ 1411 return (a[0][0] == 'V'); 1412} 1413 1414static unsigned long index_name_hash(const char **a) 1415{ 1416 return (lh_strhash(a[DB_name])); 1417} 1418 1419int index_name_cmp(const char **a, const char **b) 1420{ 1421 return (strcmp(a[DB_name], b[DB_name])); 1422} 1423 1424static IMPLEMENT_LHASH_HASH_FN(index_serial_hash, const char **) 1425static IMPLEMENT_LHASH_COMP_FN(index_serial_cmp, const char **) 1426static IMPLEMENT_LHASH_HASH_FN(index_name_hash, const char **) 1427static IMPLEMENT_LHASH_COMP_FN(index_name_cmp, const char **) 1428#undef BSIZE 1429#define BSIZE 256 1430BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai) 1431{ 1432 BIO *in = NULL; 1433 BIGNUM *ret = NULL; 1434 MS_STATIC char buf[1024]; 1435 ASN1_INTEGER *ai = NULL; 1436 1437 ai = ASN1_INTEGER_new(); 1438 if (ai == NULL) 1439 goto err; 1440 1441 if ((in = BIO_new(BIO_s_file())) == NULL) { 1442 ERR_print_errors(bio_err); 1443 goto err; 1444 } 1445 1446 if (BIO_read_filename(in, serialfile) <= 0) { 1447 if (!create) { 1448 perror(serialfile); 1449 goto err; 1450 } else { 1451 ret = BN_new(); 1452 if (ret == NULL || !rand_serial(ret, ai)) 1453 BIO_printf(bio_err, "Out of memory\n"); 1454 } 1455 } else { 1456 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) { 1457 BIO_printf(bio_err, "unable to load number from %s\n", 1458 serialfile); 1459 goto err; 1460 } 1461 ret = ASN1_INTEGER_to_BN(ai, NULL); 1462 if (ret == NULL) { 1463 BIO_printf(bio_err, 1464 "error converting number from bin to BIGNUM\n"); 1465 goto err; 1466 } 1467 } 1468 1469 if (ret && retai) { 1470 *retai = ai; 1471 ai = NULL; 1472 } 1473 err: 1474 if (in != NULL) 1475 BIO_free(in); 1476 if (ai != NULL) 1477 ASN1_INTEGER_free(ai); 1478 return (ret); 1479} 1480 1481int save_serial(char *serialfile, char *suffix, BIGNUM *serial, 1482 ASN1_INTEGER **retai) 1483{ 1484 char buf[1][BSIZE]; 1485 BIO *out = NULL; 1486 int ret = 0; 1487 ASN1_INTEGER *ai = NULL; 1488 int j; 1489 1490 if (suffix == NULL) 1491 j = strlen(serialfile); 1492 else 1493 j = strlen(serialfile) + strlen(suffix) + 1; 1494 if (j >= BSIZE) { 1495 BIO_printf(bio_err, "file name too long\n"); 1496 goto err; 1497 } 1498 1499 if (suffix == NULL) 1500 BUF_strlcpy(buf[0], serialfile, BSIZE); 1501 else { 1502#ifndef OPENSSL_SYS_VMS 1503 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix); 1504#else 1505 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix); 1506#endif 1507 } 1508#ifdef RL_DEBUG 1509 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]); 1510#endif 1511 out = BIO_new(BIO_s_file()); 1512 if (out == NULL) { 1513 ERR_print_errors(bio_err); 1514 goto err; 1515 } 1516 if (BIO_write_filename(out, buf[0]) <= 0) { 1517 perror(serialfile); 1518 goto err; 1519 } 1520 1521 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) { 1522 BIO_printf(bio_err, "error converting serial to ASN.1 format\n"); 1523 goto err; 1524 } 1525 i2a_ASN1_INTEGER(out, ai); 1526 BIO_puts(out, "\n"); 1527 ret = 1; 1528 if (retai) { 1529 *retai = ai; 1530 ai = NULL; 1531 } 1532 err: 1533 if (out != NULL) 1534 BIO_free_all(out); 1535 if (ai != NULL) 1536 ASN1_INTEGER_free(ai); 1537 return (ret); 1538} 1539 1540int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix) 1541{ 1542 char buf[5][BSIZE]; 1543 int i, j; 1544 struct stat sb; 1545 1546 i = strlen(serialfile) + strlen(old_suffix); 1547 j = strlen(serialfile) + strlen(new_suffix); 1548 if (i > j) 1549 j = i; 1550 if (j + 1 >= BSIZE) { 1551 BIO_printf(bio_err, "file name too long\n"); 1552 goto err; 1553 } 1554#ifndef OPENSSL_SYS_VMS 1555 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix); 1556#else 1557 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix); 1558#endif 1559#ifndef OPENSSL_SYS_VMS 1560 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix); 1561#else 1562 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix); 1563#endif 1564 if (stat(serialfile, &sb) < 0) { 1565 if (errno != ENOENT 1566#ifdef ENOTDIR 1567 && errno != ENOTDIR 1568#endif 1569 ) 1570 goto err; 1571 } else { 1572#ifdef RL_DEBUG 1573 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1574 serialfile, buf[1]); 1575#endif 1576 if (rename(serialfile, buf[1]) < 0) { 1577 BIO_printf(bio_err, 1578 "unable to rename %s to %s\n", serialfile, buf[1]); 1579 perror("reason"); 1580 goto err; 1581 } 1582 } 1583#ifdef RL_DEBUG 1584 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1585 buf[0], serialfile); 1586#endif 1587 if (rename(buf[0], serialfile) < 0) { 1588 BIO_printf(bio_err, 1589 "unable to rename %s to %s\n", buf[0], serialfile); 1590 perror("reason"); 1591 rename(buf[1], serialfile); 1592 goto err; 1593 } 1594 return 1; 1595 err: 1596 return 0; 1597} 1598 1599int rand_serial(BIGNUM *b, ASN1_INTEGER *ai) 1600{ 1601 BIGNUM *btmp; 1602 int ret = 0; 1603 if (b) 1604 btmp = b; 1605 else 1606 btmp = BN_new(); 1607 1608 if (!btmp) 1609 return 0; 1610 1611 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0)) 1612 goto error; 1613 if (ai && !BN_to_ASN1_INTEGER(btmp, ai)) 1614 goto error; 1615 1616 ret = 1; 1617 1618 error: 1619 1620 if (!b) 1621 BN_free(btmp); 1622 1623 return ret; 1624} 1625 1626CA_DB *load_index(char *dbfile, DB_ATTR *db_attr) 1627{ 1628 CA_DB *retdb = NULL; 1629 TXT_DB *tmpdb = NULL; 1630 BIO *in = BIO_new(BIO_s_file()); 1631 CONF *dbattr_conf = NULL; 1632 char buf[1][BSIZE]; 1633 long errorline = -1; 1634 1635 if (in == NULL) { 1636 ERR_print_errors(bio_err); 1637 goto err; 1638 } 1639 if (BIO_read_filename(in, dbfile) <= 0) { 1640 perror(dbfile); 1641 BIO_printf(bio_err, "unable to open '%s'\n", dbfile); 1642 goto err; 1643 } 1644 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL) { 1645 if (tmpdb != NULL) 1646 TXT_DB_free(tmpdb); 1647 goto err; 1648 } 1649#ifndef OPENSSL_SYS_VMS 1650 BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile); 1651#else 1652 BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile); 1653#endif 1654 dbattr_conf = NCONF_new(NULL); 1655 if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) { 1656 if (errorline > 0) { 1657 BIO_printf(bio_err, 1658 "error on line %ld of db attribute file '%s'\n", 1659 errorline, buf[0]); 1660 goto err; 1661 } else { 1662 NCONF_free(dbattr_conf); 1663 dbattr_conf = NULL; 1664 } 1665 } 1666 1667 if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) { 1668 fprintf(stderr, "Out of memory\n"); 1669 goto err; 1670 } 1671 1672 retdb->db = tmpdb; 1673 tmpdb = NULL; 1674 if (db_attr) 1675 retdb->attributes = *db_attr; 1676 else { 1677 retdb->attributes.unique_subject = 1; 1678 } 1679 1680 if (dbattr_conf) { 1681 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject"); 1682 if (p) { 1683#ifdef RL_DEBUG 1684 BIO_printf(bio_err, 1685 "DEBUG[load_index]: unique_subject = \"%s\"\n", p); 1686#endif 1687 retdb->attributes.unique_subject = parse_yesno(p, 1); 1688 } 1689 } 1690 1691 err: 1692 if (dbattr_conf) 1693 NCONF_free(dbattr_conf); 1694 if (tmpdb) 1695 TXT_DB_free(tmpdb); 1696 if (in) 1697 BIO_free_all(in); 1698 return retdb; 1699} 1700 1701int index_index(CA_DB *db) 1702{ 1703 if (!TXT_DB_create_index(db->db, DB_serial, NULL, 1704 LHASH_HASH_FN(index_serial_hash), 1705 LHASH_COMP_FN(index_serial_cmp))) { 1706 BIO_printf(bio_err, 1707 "error creating serial number index:(%ld,%ld,%ld)\n", 1708 db->db->error, db->db->arg1, db->db->arg2); 1709 return 0; 1710 } 1711 1712 if (db->attributes.unique_subject 1713 && !TXT_DB_create_index(db->db, DB_name, index_name_qual, 1714 LHASH_HASH_FN(index_name_hash), 1715 LHASH_COMP_FN(index_name_cmp))) { 1716 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n", 1717 db->db->error, db->db->arg1, db->db->arg2); 1718 return 0; 1719 } 1720 return 1; 1721} 1722 1723int save_index(const char *dbfile, const char *suffix, CA_DB *db) 1724{ 1725 char buf[3][BSIZE]; 1726 BIO *out = BIO_new(BIO_s_file()); 1727 int j; 1728 1729 if (out == NULL) { 1730 ERR_print_errors(bio_err); 1731 goto err; 1732 } 1733 1734 j = strlen(dbfile) + strlen(suffix); 1735 if (j + 6 >= BSIZE) { 1736 BIO_printf(bio_err, "file name too long\n"); 1737 goto err; 1738 } 1739#ifndef OPENSSL_SYS_VMS 1740 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile); 1741#else 1742 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile); 1743#endif 1744#ifndef OPENSSL_SYS_VMS 1745 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix); 1746#else 1747 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix); 1748#endif 1749#ifndef OPENSSL_SYS_VMS 1750 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix); 1751#else 1752 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix); 1753#endif 1754#ifdef RL_DEBUG 1755 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]); 1756#endif 1757 if (BIO_write_filename(out, buf[0]) <= 0) { 1758 perror(dbfile); 1759 BIO_printf(bio_err, "unable to open '%s'\n", dbfile); 1760 goto err; 1761 } 1762 j = TXT_DB_write(out, db->db); 1763 if (j <= 0) 1764 goto err; 1765 1766 BIO_free(out); 1767 1768 out = BIO_new(BIO_s_file()); 1769#ifdef RL_DEBUG 1770 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]); 1771#endif 1772 if (BIO_write_filename(out, buf[1]) <= 0) { 1773 perror(buf[2]); 1774 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]); 1775 goto err; 1776 } 1777 BIO_printf(out, "unique_subject = %s\n", 1778 db->attributes.unique_subject ? "yes" : "no"); 1779 BIO_free(out); 1780 1781 return 1; 1782 err: 1783 return 0; 1784} 1785 1786int rotate_index(const char *dbfile, const char *new_suffix, 1787 const char *old_suffix) 1788{ 1789 char buf[5][BSIZE]; 1790 int i, j; 1791 struct stat sb; 1792 1793 i = strlen(dbfile) + strlen(old_suffix); 1794 j = strlen(dbfile) + strlen(new_suffix); 1795 if (i > j) 1796 j = i; 1797 if (j + 6 >= BSIZE) { 1798 BIO_printf(bio_err, "file name too long\n"); 1799 goto err; 1800 } 1801#ifndef OPENSSL_SYS_VMS 1802 j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile); 1803#else 1804 j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile); 1805#endif 1806#ifndef OPENSSL_SYS_VMS 1807 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix); 1808#else 1809 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix); 1810#endif 1811#ifndef OPENSSL_SYS_VMS 1812 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix); 1813#else 1814 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix); 1815#endif 1816#ifndef OPENSSL_SYS_VMS 1817 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix); 1818#else 1819 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix); 1820#endif 1821#ifndef OPENSSL_SYS_VMS 1822 j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix); 1823#else 1824 j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix); 1825#endif 1826 if (stat(dbfile, &sb) < 0) { 1827 if (errno != ENOENT 1828#ifdef ENOTDIR 1829 && errno != ENOTDIR 1830#endif 1831 ) 1832 goto err; 1833 } else { 1834#ifdef RL_DEBUG 1835 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1836 dbfile, buf[1]); 1837#endif 1838 if (rename(dbfile, buf[1]) < 0) { 1839 BIO_printf(bio_err, 1840 "unable to rename %s to %s\n", dbfile, buf[1]); 1841 perror("reason"); 1842 goto err; 1843 } 1844 } 1845#ifdef RL_DEBUG 1846 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile); 1847#endif 1848 if (rename(buf[0], dbfile) < 0) { 1849 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile); 1850 perror("reason"); 1851 rename(buf[1], dbfile); 1852 goto err; 1853 } 1854 if (stat(buf[4], &sb) < 0) { 1855 if (errno != ENOENT 1856#ifdef ENOTDIR 1857 && errno != ENOTDIR 1858#endif 1859 ) 1860 goto err; 1861 } else { 1862#ifdef RL_DEBUG 1863 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", 1864 buf[4], buf[3]); 1865#endif 1866 if (rename(buf[4], buf[3]) < 0) { 1867 BIO_printf(bio_err, 1868 "unable to rename %s to %s\n", buf[4], buf[3]); 1869 perror("reason"); 1870 rename(dbfile, buf[0]); 1871 rename(buf[1], dbfile); 1872 goto err; 1873 } 1874 } 1875#ifdef RL_DEBUG 1876 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]); 1877#endif 1878 if (rename(buf[2], buf[4]) < 0) { 1879 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]); 1880 perror("reason"); 1881 rename(buf[3], buf[4]); 1882 rename(dbfile, buf[0]); 1883 rename(buf[1], dbfile); 1884 goto err; 1885 } 1886 return 1; 1887 err: 1888 return 0; 1889} 1890 1891void free_index(CA_DB *db) 1892{ 1893 if (db) { 1894 if (db->db) 1895 TXT_DB_free(db->db); 1896 OPENSSL_free(db); 1897 } 1898} 1899 1900int parse_yesno(const char *str, int def) 1901{ 1902 int ret = def; 1903 if (str) { 1904 switch (*str) { 1905 case 'f': /* false */ 1906 case 'F': /* FALSE */ 1907 case 'n': /* no */ 1908 case 'N': /* NO */ 1909 case '0': /* 0 */ 1910 ret = 0; 1911 break; 1912 case 't': /* true */ 1913 case 'T': /* TRUE */ 1914 case 'y': /* yes */ 1915 case 'Y': /* YES */ 1916 case '1': /* 1 */ 1917 ret = 1; 1918 break; 1919 default: 1920 ret = def; 1921 break; 1922 } 1923 } 1924 return ret; 1925} 1926 1927/* 1928 * subject is expected to be in the format /type0=value0/type1=value1/type2=... 1929 * where characters may be escaped by \ 1930 */ 1931X509_NAME *parse_name(char *subject, long chtype, int multirdn) 1932{ 1933 size_t buflen = strlen(subject) + 1; /* to copy the types and values 1934 * into. due to escaping, the copy 1935 * can only become shorter */ 1936 char *buf = OPENSSL_malloc(buflen); 1937 size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */ 1938 char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *)); 1939 char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *)); 1940 int *mval = OPENSSL_malloc(max_ne * sizeof(int)); 1941 1942 char *sp = subject, *bp = buf; 1943 int i, ne_num = 0; 1944 1945 X509_NAME *n = NULL; 1946 int nid; 1947 1948 if (!buf || !ne_types || !ne_values || !mval) { 1949 BIO_printf(bio_err, "malloc error\n"); 1950 goto error; 1951 } 1952 1953 if (*subject != '/') { 1954 BIO_printf(bio_err, "Subject does not start with '/'.\n"); 1955 goto error; 1956 } 1957 sp++; /* skip leading / */ 1958 1959 /* no multivalued RDN by default */ 1960 mval[ne_num] = 0; 1961 1962 while (*sp) { 1963 /* collect type */ 1964 ne_types[ne_num] = bp; 1965 while (*sp) { 1966 if (*sp == '\\') { /* is there anything to escape in the 1967 * type...? */ 1968 if (*++sp) 1969 *bp++ = *sp++; 1970 else { 1971 BIO_printf(bio_err, 1972 "escape character at end of string\n"); 1973 goto error; 1974 } 1975 } else if (*sp == '=') { 1976 sp++; 1977 *bp++ = '\0'; 1978 break; 1979 } else 1980 *bp++ = *sp++; 1981 } 1982 if (!*sp) { 1983 BIO_printf(bio_err, 1984 "end of string encountered while processing type of subject name element #%d\n", 1985 ne_num); 1986 goto error; 1987 } 1988 ne_values[ne_num] = bp; 1989 while (*sp) { 1990 if (*sp == '\\') { 1991 if (*++sp) 1992 *bp++ = *sp++; 1993 else { 1994 BIO_printf(bio_err, 1995 "escape character at end of string\n"); 1996 goto error; 1997 } 1998 } else if (*sp == '/') { 1999 sp++; 2000 /* no multivalued RDN by default */ 2001 mval[ne_num + 1] = 0; 2002 break; 2003 } else if (*sp == '+' && multirdn) { 2004 /* 2005 * a not escaped + signals a mutlivalued RDN 2006 */ 2007 sp++; 2008 mval[ne_num + 1] = -1; 2009 break; 2010 } else 2011 *bp++ = *sp++; 2012 } 2013 *bp++ = '\0'; 2014 ne_num++; 2015 } 2016 2017 if (!(n = X509_NAME_new())) 2018 goto error; 2019 2020 for (i = 0; i < ne_num; i++) { 2021 if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) { 2022 BIO_printf(bio_err, 2023 "Subject Attribute %s has no known NID, skipped\n", 2024 ne_types[i]); 2025 continue; 2026 } 2027 2028 if (!*ne_values[i]) { 2029 BIO_printf(bio_err, 2030 "No value provided for Subject Attribute %s, skipped\n", 2031 ne_types[i]); 2032 continue; 2033 } 2034 2035 if (!X509_NAME_add_entry_by_NID 2036 (n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i])) 2037 goto error; 2038 } 2039 2040 OPENSSL_free(ne_values); 2041 OPENSSL_free(ne_types); 2042 OPENSSL_free(buf); 2043 OPENSSL_free(mval); 2044 return n; 2045 2046 error: 2047 X509_NAME_free(n); 2048 if (ne_values) 2049 OPENSSL_free(ne_values); 2050 if (ne_types) 2051 OPENSSL_free(ne_types); 2052 if (mval) 2053 OPENSSL_free(mval); 2054 if (buf) 2055 OPENSSL_free(buf); 2056 return NULL; 2057} 2058 2059/* This code MUST COME AFTER anything that uses rename() */ 2060#ifdef OPENSSL_SYS_WIN32 2061int WIN32_rename(const char *from, const char *to) 2062{ 2063# ifndef OPENSSL_SYS_WINCE 2064 /* 2065 * Windows rename gives an error if 'to' exists, so delete it first and 2066 * ignore file not found errror 2067 */ 2068 if ((remove(to) != 0) && (errno != ENOENT)) 2069 return -1; 2070# undef rename 2071 return rename(from, to); 2072# else 2073 /* convert strings to UNICODE */ 2074 { 2075 BOOL result = FALSE; 2076 WCHAR *wfrom; 2077 WCHAR *wto; 2078 int i; 2079 wfrom = malloc((strlen(from) + 1) * 2); 2080 wto = malloc((strlen(to) + 1) * 2); 2081 if (wfrom != NULL && wto != NULL) { 2082 for (i = 0; i < (int)strlen(from) + 1; i++) 2083 wfrom[i] = (short)from[i]; 2084 for (i = 0; i < (int)strlen(to) + 1; i++) 2085 wto[i] = (short)to[i]; 2086 result = MoveFile(wfrom, wto); 2087 } 2088 if (wfrom != NULL) 2089 free(wfrom); 2090 if (wto != NULL) 2091 free(wto); 2092 return result; 2093 } 2094# endif 2095} 2096#endif 2097 2098int args_verify(char ***pargs, int *pargc, 2099 int *badarg, BIO *err, X509_VERIFY_PARAM **pm) 2100{ 2101 ASN1_OBJECT *otmp = NULL; 2102 unsigned long flags = 0; 2103 int i; 2104 int purpose = 0; 2105 char **oldargs = *pargs; 2106 char *arg = **pargs, *argn = (*pargs)[1]; 2107 if (!strcmp(arg, "-policy")) { 2108 if (!argn) 2109 *badarg = 1; 2110 else { 2111 otmp = OBJ_txt2obj(argn, 0); 2112 if (!otmp) { 2113 BIO_printf(err, "Invalid Policy \"%s\"\n", argn); 2114 *badarg = 1; 2115 } 2116 } 2117 (*pargs)++; 2118 } else if (strcmp(arg, "-purpose") == 0) { 2119 X509_PURPOSE *xptmp; 2120 if (!argn) 2121 *badarg = 1; 2122 else { 2123 i = X509_PURPOSE_get_by_sname(argn); 2124 if (i < 0) { 2125 BIO_printf(err, "unrecognized purpose\n"); 2126 *badarg = 1; 2127 } else { 2128 xptmp = X509_PURPOSE_get0(i); 2129 purpose = X509_PURPOSE_get_id(xptmp); 2130 } 2131 } 2132 (*pargs)++; 2133 } else if (!strcmp(arg, "-ignore_critical")) 2134 flags |= X509_V_FLAG_IGNORE_CRITICAL; 2135 else if (!strcmp(arg, "-issuer_checks")) 2136 flags |= X509_V_FLAG_CB_ISSUER_CHECK; 2137 else if (!strcmp(arg, "-crl_check")) 2138 flags |= X509_V_FLAG_CRL_CHECK; 2139 else if (!strcmp(arg, "-crl_check_all")) 2140 flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL; 2141 else if (!strcmp(arg, "-policy_check")) 2142 flags |= X509_V_FLAG_POLICY_CHECK; 2143 else if (!strcmp(arg, "-explicit_policy")) 2144 flags |= X509_V_FLAG_EXPLICIT_POLICY; 2145 else if (!strcmp(arg, "-x509_strict")) 2146 flags |= X509_V_FLAG_X509_STRICT; 2147 else if (!strcmp(arg, "-policy_print")) 2148 flags |= X509_V_FLAG_NOTIFY_POLICY; 2149 else if (!strcmp(arg, "-check_ss_sig")) 2150 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE; 2151 else 2152 return 0; 2153 2154 if (*badarg) { 2155 if (*pm) 2156 X509_VERIFY_PARAM_free(*pm); 2157 *pm = NULL; 2158 goto end; 2159 } 2160 2161 if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) { 2162 *badarg = 1; 2163 goto end; 2164 } 2165 2166 if (otmp) 2167 X509_VERIFY_PARAM_add0_policy(*pm, otmp); 2168 if (flags) 2169 X509_VERIFY_PARAM_set_flags(*pm, flags); 2170 2171 if (purpose) 2172 X509_VERIFY_PARAM_set_purpose(*pm, purpose); 2173 2174 end: 2175 2176 (*pargs)++; 2177 2178 if (pargc) 2179 *pargc -= *pargs - oldargs; 2180 2181 return 1; 2182 2183} 2184 2185static void nodes_print(BIO *out, const char *name, 2186 STACK_OF(X509_POLICY_NODE) *nodes) 2187{ 2188 X509_POLICY_NODE *node; 2189 int i; 2190 BIO_printf(out, "%s Policies:", name); 2191 if (nodes) { 2192 BIO_puts(out, "\n"); 2193 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) { 2194 node = sk_X509_POLICY_NODE_value(nodes, i); 2195 X509_POLICY_NODE_print(out, node, 2); 2196 } 2197 } else 2198 BIO_puts(out, " <empty>\n"); 2199} 2200 2201void policies_print(BIO *out, X509_STORE_CTX *ctx) 2202{ 2203 X509_POLICY_TREE *tree; 2204 int explicit_policy; 2205 int free_out = 0; 2206 if (out == NULL) { 2207 out = BIO_new_fp(stderr, BIO_NOCLOSE); 2208 free_out = 1; 2209 } 2210 tree = X509_STORE_CTX_get0_policy_tree(ctx); 2211 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx); 2212 2213 BIO_printf(out, "Require explicit Policy: %s\n", 2214 explicit_policy ? "True" : "False"); 2215 2216 nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree)); 2217 nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree)); 2218 if (free_out) 2219 BIO_free(out); 2220} 2221 2222#ifndef OPENSSL_NO_JPAKE 2223 2224static JPAKE_CTX *jpake_init(const char *us, const char *them, 2225 const char *secret) 2226{ 2227 BIGNUM *p = NULL; 2228 BIGNUM *g = NULL; 2229 BIGNUM *q = NULL; 2230 BIGNUM *bnsecret = BN_new(); 2231 JPAKE_CTX *ctx; 2232 2233 /* Use a safe prime for p (that we found earlier) */ 2234 BN_hex2bn(&p, 2235 "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F"); 2236 g = BN_new(); 2237 BN_set_word(g, 2); 2238 q = BN_new(); 2239 BN_rshift1(q, p); 2240 2241 BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret); 2242 2243 ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret); 2244 BN_free(bnsecret); 2245 BN_free(q); 2246 BN_free(g); 2247 BN_free(p); 2248 2249 return ctx; 2250} 2251 2252static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p) 2253{ 2254 BN_print(conn, p->gx); 2255 BIO_puts(conn, "\n"); 2256 BN_print(conn, p->zkpx.gr); 2257 BIO_puts(conn, "\n"); 2258 BN_print(conn, p->zkpx.b); 2259 BIO_puts(conn, "\n"); 2260} 2261 2262static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx) 2263{ 2264 JPAKE_STEP1 s1; 2265 2266 JPAKE_STEP1_init(&s1); 2267 JPAKE_STEP1_generate(&s1, ctx); 2268 jpake_send_part(bconn, &s1.p1); 2269 jpake_send_part(bconn, &s1.p2); 2270 (void)BIO_flush(bconn); 2271 JPAKE_STEP1_release(&s1); 2272} 2273 2274static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx) 2275{ 2276 JPAKE_STEP2 s2; 2277 2278 JPAKE_STEP2_init(&s2); 2279 JPAKE_STEP2_generate(&s2, ctx); 2280 jpake_send_part(bconn, &s2); 2281 (void)BIO_flush(bconn); 2282 JPAKE_STEP2_release(&s2); 2283} 2284 2285static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx) 2286{ 2287 JPAKE_STEP3A s3a; 2288 2289 JPAKE_STEP3A_init(&s3a); 2290 JPAKE_STEP3A_generate(&s3a, ctx); 2291 BIO_write(bconn, s3a.hhk, sizeof s3a.hhk); 2292 (void)BIO_flush(bconn); 2293 JPAKE_STEP3A_release(&s3a); 2294} 2295 2296static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx) 2297{ 2298 JPAKE_STEP3B s3b; 2299 2300 JPAKE_STEP3B_init(&s3b); 2301 JPAKE_STEP3B_generate(&s3b, ctx); 2302 BIO_write(bconn, s3b.hk, sizeof s3b.hk); 2303 (void)BIO_flush(bconn); 2304 JPAKE_STEP3B_release(&s3b); 2305} 2306 2307static void readbn(BIGNUM **bn, BIO *bconn) 2308{ 2309 char buf[10240]; 2310 int l; 2311 2312 l = BIO_gets(bconn, buf, sizeof buf); 2313 assert(l > 0); 2314 assert(buf[l - 1] == '\n'); 2315 buf[l - 1] = '\0'; 2316 BN_hex2bn(bn, buf); 2317} 2318 2319static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn) 2320{ 2321 readbn(&p->gx, bconn); 2322 readbn(&p->zkpx.gr, bconn); 2323 readbn(&p->zkpx.b, bconn); 2324} 2325 2326static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn) 2327{ 2328 JPAKE_STEP1 s1; 2329 2330 JPAKE_STEP1_init(&s1); 2331 jpake_receive_part(&s1.p1, bconn); 2332 jpake_receive_part(&s1.p2, bconn); 2333 if (!JPAKE_STEP1_process(ctx, &s1)) { 2334 ERR_print_errors(bio_err); 2335 exit(1); 2336 } 2337 JPAKE_STEP1_release(&s1); 2338} 2339 2340static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn) 2341{ 2342 JPAKE_STEP2 s2; 2343 2344 JPAKE_STEP2_init(&s2); 2345 jpake_receive_part(&s2, bconn); 2346 if (!JPAKE_STEP2_process(ctx, &s2)) { 2347 ERR_print_errors(bio_err); 2348 exit(1); 2349 } 2350 JPAKE_STEP2_release(&s2); 2351} 2352 2353static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn) 2354{ 2355 JPAKE_STEP3A s3a; 2356 int l; 2357 2358 JPAKE_STEP3A_init(&s3a); 2359 l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk); 2360 assert(l == sizeof s3a.hhk); 2361 if (!JPAKE_STEP3A_process(ctx, &s3a)) { 2362 ERR_print_errors(bio_err); 2363 exit(1); 2364 } 2365 JPAKE_STEP3A_release(&s3a); 2366} 2367 2368static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn) 2369{ 2370 JPAKE_STEP3B s3b; 2371 int l; 2372 2373 JPAKE_STEP3B_init(&s3b); 2374 l = BIO_read(bconn, s3b.hk, sizeof s3b.hk); 2375 assert(l == sizeof s3b.hk); 2376 if (!JPAKE_STEP3B_process(ctx, &s3b)) { 2377 ERR_print_errors(bio_err); 2378 exit(1); 2379 } 2380 JPAKE_STEP3B_release(&s3b); 2381} 2382 2383void jpake_client_auth(BIO *out, BIO *conn, const char *secret) 2384{ 2385 JPAKE_CTX *ctx; 2386 BIO *bconn; 2387 2388 BIO_puts(out, "Authenticating with JPAKE\n"); 2389 2390 ctx = jpake_init("client", "server", secret); 2391 2392 bconn = BIO_new(BIO_f_buffer()); 2393 BIO_push(bconn, conn); 2394 2395 jpake_send_step1(bconn, ctx); 2396 jpake_receive_step1(ctx, bconn); 2397 jpake_send_step2(bconn, ctx); 2398 jpake_receive_step2(ctx, bconn); 2399 jpake_send_step3a(bconn, ctx); 2400 jpake_receive_step3b(ctx, bconn); 2401 2402 /* 2403 * The problem is that you must use the derived key in the 2404 * session key or you are subject to man-in-the-middle 2405 * attacks. 2406 */ 2407 BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can" 2408 " be MitMed. See the version in HEAD for how to do it" 2409 " properly)\n"); 2410 2411 BIO_pop(bconn); 2412 BIO_free(bconn); 2413} 2414 2415void jpake_server_auth(BIO *out, BIO *conn, const char *secret) 2416{ 2417 JPAKE_CTX *ctx; 2418 BIO *bconn; 2419 2420 BIO_puts(out, "Authenticating with JPAKE\n"); 2421 2422 ctx = jpake_init("server", "client", secret); 2423 2424 bconn = BIO_new(BIO_f_buffer()); 2425 BIO_push(bconn, conn); 2426 2427 jpake_receive_step1(ctx, bconn); 2428 jpake_send_step1(bconn, ctx); 2429 jpake_receive_step2(ctx, bconn); 2430 jpake_send_step2(bconn, ctx); 2431 jpake_receive_step3a(ctx, bconn); 2432 jpake_send_step3b(bconn, ctx); 2433 2434 /* 2435 * The problem is that you must use the derived key in the 2436 * session key or you are subject to man-in-the-middle 2437 * attacks. 2438 */ 2439 BIO_puts(out, "JPAKE authentication succeeded (N.B. This version can" 2440 " be MitMed. See the version in HEAD for how to do it" 2441 " properly)\n"); 2442 2443 BIO_pop(bconn); 2444 BIO_free(bconn); 2445} 2446 2447#endif 2448