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) 1998-2018 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#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
113/*
114 * On VMS, you need to define this to get the declaration of fileno(). The
115 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
116 */
117# define _POSIX_C_SOURCE 2
118#endif
119#include <stdio.h>
120#include <stdlib.h>
121#include <string.h>
122#include <sys/types.h>
123#include <ctype.h>
124#include <errno.h>
125#include <assert.h>
126#include <openssl/err.h>
127#include <openssl/x509.h>
128#include <openssl/x509v3.h>
129#include <openssl/pem.h>
130#include <openssl/pkcs12.h>
131#include <openssl/ui.h>
132#include <openssl/safestack.h>
133#ifndef OPENSSL_NO_ENGINE
134# include <openssl/engine.h>
135#endif
136#ifndef OPENSSL_NO_RSA
137# include <openssl/rsa.h>
138#endif
139#include <openssl/bn.h>
140#ifndef OPENSSL_NO_JPAKE
141# include <openssl/jpake.h>
142#endif
143
144#define NON_MAIN
145#include "apps.h"
146#undef NON_MAIN
147
148#ifdef _WIN32
149static int WIN32_rename(const char *from, const char *to);
150# define rename(from,to) WIN32_rename((from),(to))
151# ifdef fileno
152# undef fileno
153# endif
154# define fileno(a) (int)_fileno(a)
155#endif
156
157typedef struct {
158 const char *name;
159 unsigned long flag;
160 unsigned long mask;
161} NAME_EX_TBL;
162
163static UI_METHOD *ui_method = NULL;
164
165static int set_table_opts(unsigned long *flags, const char *arg,
166 const NAME_EX_TBL * in_tbl);
167static int set_multi_opts(unsigned long *flags, const char *arg,
168 const NAME_EX_TBL * in_tbl);
169
170#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
171/* Looks like this stuff is worth moving into separate function */
172static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
173 const char *key_descrip, int format);
174#endif
175
176int app_init(long mesgwin);
177#ifdef undef /* never finished - probably never will be
178 * :-) */
179int args_from_file(char *file, int *argc, char **argv[])
180{
181 FILE *fp;
182 int num, i;
183 unsigned int len;
184 static char *buf = NULL;
185 static char **arg = NULL;
186 char *p;
187
188 fp = fopen(file, "r");
189 if (fp == NULL)
190 return (0);
191
192 if (fseek(fp, 0, SEEK_END) == 0)
193 len = ftell(fp), rewind(fp);
194 else
195 len = -1;
196 if (len <= 0) {
197 fclose(fp);
198 return (0);
199 }
200
201 *argc = 0;
202 *argv = NULL;
203
204 if (buf != NULL)
205 OPENSSL_free(buf);
206 buf = (char *)OPENSSL_malloc(len + 1);
207 if (buf == NULL)
208 return (0);
209
210 len = fread(buf, 1, len, fp);
211 if (len <= 1)
212 return (0);
213 buf[len] = '\0';
214
215 i = 0;
216 for (p = buf; *p; p++)
217 if (*p == '\n')
218 i++;
219 if (arg != NULL)
220 OPENSSL_free(arg);
221 arg = (char **)OPENSSL_malloc(sizeof(char *) * (i * 2));
222 if (arg == NULL)
223 return 0;
224 *argv = arg;
225 num = 0;
226 p = buf;
227 for (;;) {
228 if (!*p)
229 break;
230 if (*p == '#') { /* comment line */
231 while (*p && (*p != '\n'))
232 p++;
233 continue;
234 }
235 /* else we have a line */
236 *(arg++) = p;
237 num++;
238 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
239 p++;
240 if (!*p)
241 break;
242 if (*p == '\n') {
243 *(p++) = '\0';
244 continue;
245 }
246 /* else it is a tab or space */
247 p++;
248 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
249 p++;
250 if (!*p)
251 break;
252 if (*p == '\n') {
253 p++;
254 continue;
255 }
256 *(arg++) = p++;
257 num++;
258 while (*p && (*p != '\n'))
259 p++;
260 if (!*p)
261 break;
262 /* else *p == '\n' */
263 *(p++) = '\0';
264 }
265 *argc = num;
266 return (1);
267}
268#endif
269
270int str2fmt(char *s)
271{
272 if (s == NULL)
273 return FORMAT_UNDEF;
274 if ((*s == 'D') || (*s == 'd'))
275 return (FORMAT_ASN1);
276 else if ((*s == 'T') || (*s == 't'))
277 return (FORMAT_TEXT);
278 else if ((*s == 'N') || (*s == 'n'))
279 return (FORMAT_NETSCAPE);
280 else if ((*s == 'S') || (*s == 's'))
281 return (FORMAT_SMIME);
282 else if ((*s == 'M') || (*s == 'm'))
283 return (FORMAT_MSBLOB);
284 else if ((*s == '1')
285 || (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0)
286 || (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
287 return (FORMAT_PKCS12);
288 else if ((*s == 'E') || (*s == 'e'))
289 return (FORMAT_ENGINE);
290 else if ((*s == 'H') || (*s == 'h'))
291 return FORMAT_HTTP;
292 else if ((*s == 'P') || (*s == 'p')) {
293 if (s[1] == 'V' || s[1] == 'v')
294 return FORMAT_PVK;
295 else
296 return (FORMAT_PEM);
297 } else
298 return (FORMAT_UNDEF);
299}
300
301#if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
302void program_name(char *in, char *out, int size)
303{
304 int i, n;
305 char *p = NULL;
306
307 n = strlen(in);
308 /* find the last '/', '\' or ':' */
309 for (i = n - 1; i > 0; i--) {
310 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':')) {
311 p = &(in[i + 1]);
312 break;
313 }
314 }
315 if (p == NULL)
316 p = in;
317 n = strlen(p);
318
319# if defined(OPENSSL_SYS_NETWARE)
320 /* strip off trailing .nlm if present. */
321 if ((n > 4) && (p[n - 4] == '.') &&
322 ((p[n - 3] == 'n') || (p[n - 3] == 'N')) &&
323 ((p[n - 2] == 'l') || (p[n - 2] == 'L')) &&
324 ((p[n - 1] == 'm') || (p[n - 1] == 'M')))
325 n -= 4;
326# else
327 /* strip off trailing .exe if present. */
328 if ((n > 4) && (p[n - 4] == '.') &&
329 ((p[n - 3] == 'e') || (p[n - 3] == 'E')) &&
330 ((p[n - 2] == 'x') || (p[n - 2] == 'X')) &&
331 ((p[n - 1] == 'e') || (p[n - 1] == 'E')))
332 n -= 4;
333# endif
334
335 if (n > size - 1)
336 n = size - 1;
337
338 for (i = 0; i < n; i++) {
339 if ((p[i] >= 'A') && (p[i] <= 'Z'))
340 out[i] = p[i] - 'A' + 'a';
341 else
342 out[i] = p[i];
343 }
344 out[n] = '\0';
345}
346#else
347# ifdef OPENSSL_SYS_VMS
348void program_name(char *in, char *out, int size)
349{
350 char *p = in, *q;
351 char *chars = ":]>";
352
353 while (*chars != '\0') {
354 q = strrchr(p, *chars);
355 if (q > p)
356 p = q + 1;
357 chars++;
358 }
359
360 q = strrchr(p, '.');
361 if (q == NULL)
362 q = p + strlen(p);
363 strncpy(out, p, size - 1);
364 if (q - p >= size) {
365 out[size - 1] = '\0';
366 } else {
367 out[q - p] = '\0';
368 }
369}
370# else
371void program_name(char *in, char *out, int size)
372{
373 char *p;
374
375 p = strrchr(in, '/');
376 if (p != NULL)
377 p++;
378 else
379 p = in;
380 BUF_strlcpy(out, p, size);
381}
382# endif
383#endif
384
385int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
386{
387 int num, i;
388 char *p;
389
390 *argc = 0;
391 *argv = NULL;
392
393 i = 0;
394 if (arg->count == 0) {
395 arg->count = 20;
396 arg->data = (char **)OPENSSL_malloc(sizeof(char *) * arg->count);
397 if (arg->data == NULL)
398 return 0;
399 }
400 for (i = 0; i < arg->count; i++)
401 arg->data[i] = NULL;
402
403 num = 0;
404 p = buf;
405 for (;;) {
406 /* first scan over white space */
407 if (!*p)
408 break;
409 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
410 p++;
411 if (!*p)
412 break;
413
414 /* The start of something good :-) */
415 if (num >= arg->count) {
416 char **tmp_p;
417 int tlen = arg->count + 20;
418 tmp_p = (char **)OPENSSL_realloc(arg->data,
419 sizeof(char *) * tlen);
420 if (tmp_p == NULL)
421 return 0;
422 arg->data = tmp_p;
423 arg->count = tlen;
424 /* initialize newly allocated data */
425 for (i = num; i < arg->count; i++)
426 arg->data[i] = NULL;
427 }
428 arg->data[num++] = p;
429
430 /* now look for the end of this */
431 if ((*p == '\'') || (*p == '\"')) { /* scan for closing quote */
432 i = *(p++);
433 arg->data[num - 1]++; /* jump over quote */
434 while (*p && (*p != i))
435 p++;
436 *p = '\0';
437 } else {
438 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
439 p++;
440
441 if (*p == '\0')
442 p--;
443 else
444 *p = '\0';
445 }
446 p++;
447 }
448 *argc = num;
449 *argv = arg->data;
450 return (1);
451}
452
453#ifndef APP_INIT
454int app_init(long mesgwin)
455{
456 return (1);
457}
458#endif
459
460int dump_cert_text(BIO *out, X509 *x)
461{
462 char *p;
463
464 p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
465 BIO_puts(out, "subject=");
466 BIO_puts(out, p);
467 OPENSSL_free(p);
468
469 p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
470 BIO_puts(out, "\nissuer=");
471 BIO_puts(out, p);
472 BIO_puts(out, "\n");
473 OPENSSL_free(p);
474
475 return 0;
476}
477
478static int ui_open(UI *ui)
479{
480 return UI_method_get_opener(UI_OpenSSL())(ui);
481}
482
483static int ui_read(UI *ui, UI_STRING *uis)
484{
485 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
486 && UI_get0_user_data(ui)) {
487 switch (UI_get_string_type(uis)) {
488 case UIT_PROMPT:
489 case UIT_VERIFY:
490 {
491 const char *password =
492 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
493 if (password && password[0] != '\0') {
494 UI_set_result(ui, uis, password);
495 return 1;
496 }
497 }
498 default:
499 break;
500 }
501 }
502 return UI_method_get_reader(UI_OpenSSL())(ui, uis);
503}
504
505static int ui_write(UI *ui, UI_STRING *uis)
506{
507 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
508 && UI_get0_user_data(ui)) {
509 switch (UI_get_string_type(uis)) {
510 case UIT_PROMPT:
511 case UIT_VERIFY:
512 {
513 const char *password =
514 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
515 if (password && password[0] != '\0')
516 return 1;
517 }
518 default:
519 break;
520 }
521 }
522 return UI_method_get_writer(UI_OpenSSL())(ui, uis);
523}
524
525static int ui_close(UI *ui)
526{
527 return UI_method_get_closer(UI_OpenSSL())(ui);
528}
529
530int setup_ui_method(void)
531{
532 ui_method = UI_create_method("OpenSSL application user interface");
533 UI_method_set_opener(ui_method, ui_open);
534 UI_method_set_reader(ui_method, ui_read);
535 UI_method_set_writer(ui_method, ui_write);
536 UI_method_set_closer(ui_method, ui_close);
537 return 0;
538}
539
540void destroy_ui_method(void)
541{
542 if (ui_method) {
543 UI_destroy_method(ui_method);
544 ui_method = NULL;
545 }
546}
547
548int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
549{
550 UI *ui = NULL;
551 int res = 0;
552 const char *prompt_info = NULL;
553 const char *password = NULL;
554 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
555
556 if (cb_data) {
557 if (cb_data->password)
558 password = cb_data->password;
559 if (cb_data->prompt_info)
560 prompt_info = cb_data->prompt_info;
561 }
562
563 if (password) {
564 res = strlen(password);
565 if (res > bufsiz)
566 res = bufsiz;
567 memcpy(buf, password, res);
568 return res;
569 }
570
571 ui = UI_new_method(ui_method);
572 if (ui) {
573 int ok = 0;
574 char *buff = NULL;
575 int ui_flags = 0;
576 char *prompt = NULL;
577
578 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
579 if (!prompt) {
580 BIO_printf(bio_err, "Out of memory\n");
581 UI_free(ui);
582 return 0;
583 }
584
585 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
586 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
587
588 if (ok >= 0)
589 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
590 PW_MIN_LENGTH, bufsiz - 1);
591 if (ok >= 0 && verify) {
592 buff = (char *)OPENSSL_malloc(bufsiz);
593 if (!buff) {
594 BIO_printf(bio_err, "Out of memory\n");
595 UI_free(ui);
596 OPENSSL_free(prompt);
597 return 0;
598 }
599 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
600 PW_MIN_LENGTH, bufsiz - 1, buf);
601 }
602 if (ok >= 0)
603 do {
604 ok = UI_process(ui);
605 }
606 while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
607
608 if (buff) {
609 OPENSSL_cleanse(buff, (unsigned int)bufsiz);
610 OPENSSL_free(buff);
611 }
612
613 if (ok >= 0)
614 res = strlen(buf);
615 if (ok == -1) {
616 BIO_printf(bio_err, "User interface error\n");
617 ERR_print_errors(bio_err);
618 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
619 res = 0;
620 }
621 if (ok == -2) {
622 BIO_printf(bio_err, "aborted!\n");
623 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
624 res = 0;
625 }
626 UI_free(ui);
627 OPENSSL_free(prompt);
628 }
629 return res;
630}
631
632static char *app_get_pass(BIO *err, char *arg, int keepbio);
633
634int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
635{
636 int same;
637 if (!arg2 || !arg1 || strcmp(arg1, arg2))
638 same = 0;
639 else
640 same = 1;
641 if (arg1) {
642 *pass1 = app_get_pass(err, arg1, same);
643 if (!*pass1)
644 return 0;
645 } else if (pass1)
646 *pass1 = NULL;
647 if (arg2) {
648 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
649 if (!*pass2)
650 return 0;
651 } else if (pass2)
652 *pass2 = NULL;
653 return 1;
654}
655
656static char *app_get_pass(BIO *err, char *arg, int keepbio)
657{
658 char *tmp, tpass[APP_PASS_LEN];
659 static BIO *pwdbio = NULL;
660 int i;
661 if (!strncmp(arg, "pass:", 5))
662 return BUF_strdup(arg + 5);
663 if (!strncmp(arg, "env:", 4)) {
664 tmp = getenv(arg + 4);
665 if (!tmp) {
666 BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
667 return NULL;
668 }
669 return BUF_strdup(tmp);
670 }
671 if (!keepbio || !pwdbio) {
672 if (!strncmp(arg, "file:", 5)) {
673 pwdbio = BIO_new_file(arg + 5, "r");
674 if (!pwdbio) {
675 BIO_printf(err, "Can't open file %s\n", arg + 5);
676 return NULL;
677 }
678#if !defined(_WIN32)
679 /*
680 * Under _WIN32, which covers even Win64 and CE, file
681 * descriptors referenced by BIO_s_fd are not inherited
682 * by child process and therefore below is not an option.
683 * It could have been an option if bss_fd.c was operating
684 * on real Windows descriptors, such as those obtained
685 * with CreateFile.
686 */
687 } else if (!strncmp(arg, "fd:", 3)) {
688 BIO *btmp;
689 i = atoi(arg + 3);
690 if (i >= 0)
691 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
692 if ((i < 0) || !pwdbio) {
693 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
694 return NULL;
695 }
696 /*
697 * Can't do BIO_gets on an fd BIO so add a buffering BIO
698 */
699 btmp = BIO_new(BIO_f_buffer());
700 pwdbio = BIO_push(btmp, pwdbio);
701#endif
702 } else if (!strcmp(arg, "stdin")) {
703 pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
704 if (!pwdbio) {
705 BIO_printf(err, "Can't open BIO for stdin\n");
706 return NULL;
707 }
708 } else {
709 BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
710 return NULL;
711 }
712 }
713 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
714 if (keepbio != 1) {
715 BIO_free_all(pwdbio);
716 pwdbio = NULL;
717 }
718 if (i <= 0) {
719 BIO_printf(err, "Error reading password from BIO\n");
720 return NULL;
721 }
722 tmp = strchr(tpass, '\n');
723 if (tmp)
724 *tmp = 0;
725 return BUF_strdup(tpass);
726}
727
728int add_oid_section(BIO *err, CONF *conf)
729{
730 char *p;
731 STACK_OF(CONF_VALUE) *sktmp;
732 CONF_VALUE *cnf;
733 int i;
734 if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
735 ERR_clear_error();
736 return 1;
737 }
738 if (!(sktmp = NCONF_get_section(conf, p))) {
739 BIO_printf(err, "problem loading oid section %s\n", p);
740 return 0;
741 }
742 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
743 cnf = sk_CONF_VALUE_value(sktmp, i);
744 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
745 BIO_printf(err, "problem creating object %s=%s\n",
746 cnf->name, cnf->value);
747 return 0;
748 }
749 }
750 return 1;
751}
752
753static int load_pkcs12(BIO *err, BIO *in, const char *desc,
754 pem_password_cb *pem_cb, void *cb_data,
755 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
756{
757 const char *pass;
758 char tpass[PEM_BUFSIZE];
759 int len, ret = 0;
760 PKCS12 *p12;
761 p12 = d2i_PKCS12_bio(in, NULL);
762 if (p12 == NULL) {
763 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
764 goto die;
765 }
766 /* See if an empty password will do */
767 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
768 pass = "";
769 else {
770 if (!pem_cb)
771 pem_cb = (pem_password_cb *)password_callback;
772 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
773 if (len < 0) {
774 BIO_printf(err, "Passpharse callback error for %s\n", desc);
775 goto die;
776 }
777 if (len < PEM_BUFSIZE)
778 tpass[len] = 0;
779 if (!PKCS12_verify_mac(p12, tpass, len)) {
780 BIO_printf(err,
781 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
782 desc);
783 goto die;
784 }
785 pass = tpass;
786 }
787 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
788 die:
789 if (p12)
790 PKCS12_free(p12);
791 return ret;
792}
793
794int load_cert_crl_http(const char *url, BIO *err,
795 X509 **pcert, X509_CRL **pcrl)
796{
797 char *host = NULL, *port = NULL, *path = NULL;
798 BIO *bio = NULL;
799 OCSP_REQ_CTX *rctx = NULL;
800 int use_ssl, rv = 0;
801 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
802 goto err;
803 if (use_ssl) {
804 if (err)
805 BIO_puts(err, "https not supported\n");
806 goto err;
807 }
808 bio = BIO_new_connect(host);
809 if (!bio || !BIO_set_conn_port(bio, port))
810 goto err;
811 rctx = OCSP_REQ_CTX_new(bio, 1024);
812 if (!rctx)
813 goto err;
814 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
815 goto err;
816 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
817 goto err;
818 if (pcert) {
819 do {
820 rv = X509_http_nbio(rctx, pcert);
821 }
822 while (rv == -1);
823 } else {
824 do {
825 rv = X509_CRL_http_nbio(rctx, pcrl);
826 } while (rv == -1);
827 }
828
829 err:
830 if (host)
831 OPENSSL_free(host);
832 if (path)
833 OPENSSL_free(path);
834 if (port)
835 OPENSSL_free(port);
836 if (bio)
837 BIO_free_all(bio);
838 if (rctx)
839 OCSP_REQ_CTX_free(rctx);
840 if (rv != 1) {
841 if (bio && err)
842 BIO_printf(bio_err, "Error loading %s from %s\n",
843 pcert ? "certificate" : "CRL", url);
844 ERR_print_errors(bio_err);
845 }
846 return rv;
847}
848
849X509 *load_cert(BIO *err, const char *file, int format,
850 const char *pass, ENGINE *e, const char *cert_descrip)
851{
852 X509 *x = NULL;
853 BIO *cert;
854
855 if (format == FORMAT_HTTP) {
856 load_cert_crl_http(file, err, &x, NULL);
857 return x;
858 }
859
860 if ((cert = BIO_new(BIO_s_file())) == NULL) {
861 ERR_print_errors(err);
862 goto end;
863 }
864
865 if (file == NULL) {
866#ifdef _IONBF
867# ifndef OPENSSL_NO_SETVBUF_IONBF
868 setvbuf(stdin, NULL, _IONBF, 0);
869# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
870#endif
871 BIO_set_fp(cert, stdin, BIO_NOCLOSE);
872 } else {
873 if (BIO_read_filename(cert, file) <= 0) {
874 BIO_printf(err, "Error opening %s %s\n", cert_descrip, file);
875 ERR_print_errors(err);
876 goto end;
877 }
878 }
879
880 if (format == FORMAT_ASN1)
881 x = d2i_X509_bio(cert, NULL);
882 else if (format == FORMAT_NETSCAPE) {
883 NETSCAPE_X509 *nx;
884 nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509), cert, NULL);
885 if (nx == NULL)
886 goto end;
887
888 if ((strncmp(NETSCAPE_CERT_HDR, (char *)nx->header->data,
889 nx->header->length) != 0)) {
890 NETSCAPE_X509_free(nx);
891 BIO_printf(err, "Error reading header on certificate\n");
892 goto end;
893 }
894 x = nx->cert;
895 nx->cert = NULL;
896 NETSCAPE_X509_free(nx);
897 } else if (format == FORMAT_PEM)
898 x = PEM_read_bio_X509_AUX(cert, NULL,
899 (pem_password_cb *)password_callback, NULL);
900 else if (format == FORMAT_PKCS12) {
901 if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
902 goto end;
903 } else {
904 BIO_printf(err, "bad input format specified for %s\n", cert_descrip);
905 goto end;
906 }
907 end:
908 if (x == NULL) {
909 BIO_printf(err, "unable to load certificate\n");
910 ERR_print_errors(err);
911 }
912 if (cert != NULL)
913 BIO_free(cert);
914 return (x);
915}
916
917X509_CRL *load_crl(const char *infile, int format)
918{
919 X509_CRL *x = NULL;
920 BIO *in = NULL;
921
922 if (format == FORMAT_HTTP) {
923 load_cert_crl_http(infile, bio_err, NULL, &x);
924 return x;
925 }
926
927 in = BIO_new(BIO_s_file());
928 if (in == NULL) {
929 ERR_print_errors(bio_err);
930 goto end;
931 }
932
933 if (infile == NULL)
934 BIO_set_fp(in, stdin, BIO_NOCLOSE);
935 else {
936 if (BIO_read_filename(in, infile) <= 0) {
937 perror(infile);
938 goto end;
939 }
940 }
941 if (format == FORMAT_ASN1)
942 x = d2i_X509_CRL_bio(in, NULL);
943 else if (format == FORMAT_PEM)
944 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
945 else {
946 BIO_printf(bio_err, "bad input format specified for input crl\n");
947 goto end;
948 }
949 if (x == NULL) {
950 BIO_printf(bio_err, "unable to load CRL\n");
951 ERR_print_errors(bio_err);
952 goto end;
953 }
954
955 end:
956 BIO_free(in);
957 return (x);
958}
959
960EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
961 const char *pass, ENGINE *e, const char *key_descrip)
962{
963 BIO *key = NULL;
964 EVP_PKEY *pkey = NULL;
965 PW_CB_DATA cb_data;
966
967 cb_data.password = pass;
968 cb_data.prompt_info = file;
969
970 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
971 BIO_printf(err, "no keyfile specified\n");
972 goto end;
973 }
974#ifndef OPENSSL_NO_ENGINE
975 if (format == FORMAT_ENGINE) {
976 if (!e)
977 BIO_printf(err, "no engine specified\n");
978 else {
979 if (ENGINE_init(e)) {
980 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
981 ENGINE_finish(e);
982 }
983 if (!pkey) {
984 BIO_printf(err, "cannot load %s from engine\n", key_descrip);
985 ERR_print_errors(err);
986 }
987 }
988 goto end;
989 }
990#endif
991 key = BIO_new(BIO_s_file());
992 if (key == NULL) {
993 ERR_print_errors(err);
994 goto end;
995 }
996 if (file == NULL && maybe_stdin) {
997#ifdef _IONBF
998# ifndef OPENSSL_NO_SETVBUF_IONBF
999 setvbuf(stdin, NULL, _IONBF, 0);
1000# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1001#endif
1002 BIO_set_fp(key, stdin, BIO_NOCLOSE);
1003 } else if (BIO_read_filename(key, file) <= 0) {
1004 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
1005 ERR_print_errors(err);
1006 goto end;
1007 }
1008 if (format == FORMAT_ASN1) {
1009 pkey = d2i_PrivateKey_bio(key, NULL);
1010 } else if (format == FORMAT_PEM) {
1011 pkey = PEM_read_bio_PrivateKey(key, NULL,
1012 (pem_password_cb *)password_callback,
1013 &cb_data);
1014 }
1015#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1016 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1017 pkey = load_netscape_key(err, key, file, key_descrip, format);
1018#endif
1019 else if (format == FORMAT_PKCS12) {
1020 if (!load_pkcs12(err, key, key_descrip,
1021 (pem_password_cb *)password_callback, &cb_data,
1022 &pkey, NULL, NULL))
1023 goto end;
1024 }
1025#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
1026 else if (format == FORMAT_MSBLOB)
1027 pkey = b2i_PrivateKey_bio(key);
1028 else if (format == FORMAT_PVK)
1029 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
1030 &cb_data);
1031#endif
1032 else {
1033 BIO_printf(err, "bad input format specified for key file\n");
1034 goto end;
1035 }
1036 end:
1037 if (key != NULL)
1038 BIO_free(key);
1039 if (pkey == NULL) {
1040 BIO_printf(err, "unable to load %s\n", key_descrip);
1041 ERR_print_errors(err);
1042 }
1043 return (pkey);
1044}
1045
1046EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
1047 const char *pass, ENGINE *e, const char *key_descrip)
1048{
1049 BIO *key = NULL;
1050 EVP_PKEY *pkey = NULL;
1051 PW_CB_DATA cb_data;
1052
1053 cb_data.password = pass;
1054 cb_data.prompt_info = file;
1055
1056 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
1057 BIO_printf(err, "no keyfile specified\n");
1058 goto end;
1059 }
1060#ifndef OPENSSL_NO_ENGINE
1061 if (format == FORMAT_ENGINE) {
1062 if (!e)
1063 BIO_printf(bio_err, "no engine specified\n");
1064 else
1065 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
1066 goto end;
1067 }
1068#endif
1069 key = BIO_new(BIO_s_file());
1070 if (key == NULL) {
1071 ERR_print_errors(err);
1072 goto end;
1073 }
1074 if (file == NULL && maybe_stdin) {
1075#ifdef _IONBF
1076# ifndef OPENSSL_NO_SETVBUF_IONBF
1077 setvbuf(stdin, NULL, _IONBF, 0);
1078# endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1079#endif
1080 BIO_set_fp(key, stdin, BIO_NOCLOSE);
1081 } else if (BIO_read_filename(key, file) <= 0) {
1082 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
1083 ERR_print_errors(err);
1084 goto end;
1085 }
1086 if (format == FORMAT_ASN1) {
1087 pkey = d2i_PUBKEY_bio(key, NULL);
1088 }
1089#ifndef OPENSSL_NO_RSA
1090 else if (format == FORMAT_ASN1RSA) {
1091 RSA *rsa;
1092 rsa = d2i_RSAPublicKey_bio(key, NULL);
1093 if (rsa) {
1094 pkey = EVP_PKEY_new();
1095 if (pkey)
1096 EVP_PKEY_set1_RSA(pkey, rsa);
1097 RSA_free(rsa);
1098 } else
1099 pkey = NULL;
1100 } else if (format == FORMAT_PEMRSA) {
1101 RSA *rsa;
1102 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1103 (pem_password_cb *)password_callback,
1104 &cb_data);
1105 if (rsa) {
1106 pkey = EVP_PKEY_new();
1107 if (pkey)
1108 EVP_PKEY_set1_RSA(pkey, rsa);
1109 RSA_free(rsa);
1110 } else
1111 pkey = NULL;
1112 }
1113#endif
1114 else if (format == FORMAT_PEM) {
1115 pkey = PEM_read_bio_PUBKEY(key, NULL,
1116 (pem_password_cb *)password_callback,
1117 &cb_data);
1118 }
1119#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1120 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1121 pkey = load_netscape_key(err, key, file, key_descrip, format);
1122#endif
1123#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1124 else if (format == FORMAT_MSBLOB)
1125 pkey = b2i_PublicKey_bio(key);
1126#endif
1127 else {
1128 BIO_printf(err, "bad input format specified for key file\n");
1129 goto end;
1130 }
1131 end:
1132 if (key != NULL)
1133 BIO_free(key);
1134 if (pkey == NULL)
1135 BIO_printf(err, "unable to load %s\n", key_descrip);
1136 return (pkey);
1137}
1138
1139#if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1140static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
1141 const char *key_descrip, int format)
1142{
1143 EVP_PKEY *pkey;
1144 BUF_MEM *buf;
1145 RSA *rsa;
1146 const unsigned char *p;
1147 int size, i;
1148
1149 buf = BUF_MEM_new();
1150 pkey = EVP_PKEY_new();
1151 size = 0;
1152 if (buf == NULL || pkey == NULL)
1153 goto error;
1154 for (;;) {
1155 if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
1156 goto error;
1157 i = BIO_read(key, &(buf->data[size]), 1024 * 10);
1158 size += i;
1159 if (i == 0)
1160 break;
1161 if (i < 0) {
1162 BIO_printf(err, "Error reading %s %s", key_descrip, file);
1163 goto error;
1164 }
1165 }
1166 p = (unsigned char *)buf->data;
1167 rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL,
1168 (format == FORMAT_IISSGC ? 1 : 0));
1169 if (rsa == NULL)
1170 goto error;
1171 BUF_MEM_free(buf);
1172 EVP_PKEY_set1_RSA(pkey, rsa);
1173 return pkey;
1174 error:
1175 BUF_MEM_free(buf);
1176 EVP_PKEY_free(pkey);
1177 return NULL;
1178}
1179#endif /* ndef OPENSSL_NO_RC4 */
1180
1181static int load_certs_crls(BIO *err, const char *file, int format,
1182 const char *pass, ENGINE *e, const char *desc,
1183 STACK_OF(X509) **pcerts,
1184 STACK_OF(X509_CRL) **pcrls)
1185{
1186 int i;
1187 BIO *bio;
1188 STACK_OF(X509_INFO) *xis = NULL;
1189 X509_INFO *xi;
1190 PW_CB_DATA cb_data;
1191 int rv = 0;
1192
1193 cb_data.password = pass;
1194 cb_data.prompt_info = file;
1195
1196 if (format != FORMAT_PEM) {
1197 BIO_printf(err, "bad input format specified for %s\n", desc);
1198 return 0;
1199 }
1200
1201 if (file == NULL)
1202 bio = BIO_new_fp(stdin, BIO_NOCLOSE);
1203 else
1204 bio = BIO_new_file(file, "r");
1205
1206 if (bio == NULL) {
1207 BIO_printf(err, "Error opening %s %s\n", desc, file ? file : "stdin");
1208 ERR_print_errors(err);
1209 return 0;
1210 }
1211
1212 xis = PEM_X509_INFO_read_bio(bio, NULL,
1213 (pem_password_cb *)password_callback,
1214 &cb_data);
1215
1216 BIO_free(bio);
1217
1218 if (pcerts) {
1219 *pcerts = sk_X509_new_null();
1220 if (!*pcerts)
1221 goto end;
1222 }
1223
1224 if (pcrls) {
1225 *pcrls = sk_X509_CRL_new_null();
1226 if (!*pcrls)
1227 goto end;
1228 }
1229
1230 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
1231 xi = sk_X509_INFO_value(xis, i);
1232 if (xi->x509 && pcerts) {
1233 if (!sk_X509_push(*pcerts, xi->x509))
1234 goto end;
1235 xi->x509 = NULL;
1236 }
1237 if (xi->crl && pcrls) {
1238 if (!sk_X509_CRL_push(*pcrls, xi->crl))
1239 goto end;
1240 xi->crl = NULL;
1241 }
1242 }
1243
1244 if (pcerts && sk_X509_num(*pcerts) > 0)
1245 rv = 1;
1246
1247 if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1248 rv = 1;
1249
1250 end:
1251
1252 if (xis)
1253 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1254
1255 if (rv == 0) {
1256 if (pcerts) {
1257 sk_X509_pop_free(*pcerts, X509_free);
1258 *pcerts = NULL;
1259 }
1260 if (pcrls) {
1261 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1262 *pcrls = NULL;
1263 }
1264 BIO_printf(err, "unable to load %s\n",
1265 pcerts ? "certificates" : "CRLs");
1266 ERR_print_errors(err);
1267 }
1268 return rv;
1269}
1270
1271STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1272 const char *pass, ENGINE *e, const char *desc)
1273{
1274 STACK_OF(X509) *certs;
1275 if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1276 return NULL;
1277 return certs;
1278}
1279
1280STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1281 const char *pass, ENGINE *e, const char *desc)
1282{
1283 STACK_OF(X509_CRL) *crls;
1284 if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1285 return NULL;
1286 return crls;
1287}
1288
1289#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1290/* Return error for unknown extensions */
1291#define X509V3_EXT_DEFAULT 0
1292/* Print error for unknown extensions */
1293#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1294/* ASN1 parse unknown extensions */
1295#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1296/* BIO_dump unknown extensions */
1297#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1298
1299#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1300 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1301
1302int set_cert_ex(unsigned long *flags, const char *arg)
1303{
1304 static const NAME_EX_TBL cert_tbl[] = {
1305 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1306 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1307 {"no_header", X509_FLAG_NO_HEADER, 0},
1308 {"no_version", X509_FLAG_NO_VERSION, 0},
1309 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1310 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1311 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1312 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1313 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1314 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1315 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1316 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1317 {"no_aux", X509_FLAG_NO_AUX, 0},
1318 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1319 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1320 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1321 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1322 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1323 {NULL, 0, 0}
1324 };
1325 return set_multi_opts(flags, arg, cert_tbl);
1326}
1327
1328int set_name_ex(unsigned long *flags, const char *arg)
1329{
1330 static const NAME_EX_TBL ex_tbl[] = {
1331 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1332 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1333 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1334 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1335 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1336 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1337 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1338 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1339 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1340 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1341 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1342 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1343 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1344 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1345 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1346 {"dn_rev", XN_FLAG_DN_REV, 0},
1347 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1348 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1349 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1350 {"align", XN_FLAG_FN_ALIGN, 0},
1351 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1352 {"space_eq", XN_FLAG_SPC_EQ, 0},
1353 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1354 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1355 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1356 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1357 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1358 {NULL, 0, 0}
1359 };
1360 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1361 return 0;
1362 if (*flags != XN_FLAG_COMPAT
1363 && (*flags & XN_FLAG_SEP_MASK) == 0)
1364 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1365 return 1;
1366}
1367
1368int set_ext_copy(int *copy_type, const char *arg)
1369{
1370 if (!strcasecmp(arg, "none"))
1371 *copy_type = EXT_COPY_NONE;
1372 else if (!strcasecmp(arg, "copy"))
1373 *copy_type = EXT_COPY_ADD;
1374 else if (!strcasecmp(arg, "copyall"))
1375 *copy_type = EXT_COPY_ALL;
1376 else
1377 return 0;
1378 return 1;
1379}
1380
1381int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1382{
1383 STACK_OF(X509_EXTENSION) *exts = NULL;
1384 X509_EXTENSION *ext, *tmpext;
1385 ASN1_OBJECT *obj;
1386 int i, idx, ret = 0;
1387 if (!x || !req || (copy_type == EXT_COPY_NONE))
1388 return 1;
1389 exts = X509_REQ_get_extensions(req);
1390
1391 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1392 ext = sk_X509_EXTENSION_value(exts, i);
1393 obj = X509_EXTENSION_get_object(ext);
1394 idx = X509_get_ext_by_OBJ(x, obj, -1);
1395 /* Does extension exist? */
1396 if (idx != -1) {
1397 /* If normal copy don't override existing extension */
1398 if (copy_type == EXT_COPY_ADD)
1399 continue;
1400 /* Delete all extensions of same type */
1401 do {
1402 tmpext = X509_get_ext(x, idx);
1403 X509_delete_ext(x, idx);
1404 X509_EXTENSION_free(tmpext);
1405 idx = X509_get_ext_by_OBJ(x, obj, -1);
1406 } while (idx != -1);
1407 }
1408 if (!X509_add_ext(x, ext, -1))
1409 goto end;
1410 }
1411
1412 ret = 1;
1413
1414 end:
1415
1416 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1417
1418 return ret;
1419}
1420
1421static int set_multi_opts(unsigned long *flags, const char *arg,
1422 const NAME_EX_TBL * in_tbl)
1423{
1424 STACK_OF(CONF_VALUE) *vals;
1425 CONF_VALUE *val;
1426 int i, ret = 1;
1427 if (!arg)
1428 return 0;
1429 vals = X509V3_parse_list(arg);
1430 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1431 val = sk_CONF_VALUE_value(vals, i);
1432 if (!set_table_opts(flags, val->name, in_tbl))
1433 ret = 0;
1434 }
1435 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1436 return ret;
1437}
1438
1439static int set_table_opts(unsigned long *flags, const char *arg,
1440 const NAME_EX_TBL * in_tbl)
1441{
1442 char c;
1443 const NAME_EX_TBL *ptbl;
1444 c = arg[0];
1445
1446 if (c == '-') {
1447 c = 0;
1448 arg++;
1449 } else if (c == '+') {
1450 c = 1;
1451 arg++;
1452 } else
1453 c = 1;
1454
1455 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1456 if (!strcasecmp(arg, ptbl->name)) {
1457 *flags &= ~ptbl->mask;
1458 if (c)
1459 *flags |= ptbl->flag;
1460 else
1461 *flags &= ~ptbl->flag;
1462 return 1;
1463 }
1464 }
1465 return 0;
1466}
1467
1468void print_name(BIO *out, const char *title, X509_NAME *nm,
1469 unsigned long lflags)
1470{
1471 char *buf;
1472 char mline = 0;
1473 int indent = 0;
1474
1475 if (title)
1476 BIO_puts(out, title);
1477 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1478 mline = 1;
1479 indent = 4;
1480 }
1481 if (lflags == XN_FLAG_COMPAT) {
1482 buf = X509_NAME_oneline(nm, 0, 0);
1483 BIO_puts(out, buf);
1484 BIO_puts(out, "\n");
1485 OPENSSL_free(buf);
1486 } else {
1487 if (mline)
1488 BIO_puts(out, "\n");
1489 X509_NAME_print_ex(out, nm, indent, lflags);
1490 BIO_puts(out, "\n");
1491 }
1492}
1493
1494X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1495{
1496 X509_STORE *store;
1497 X509_LOOKUP *lookup;
1498 if (!(store = X509_STORE_new()))
1499 goto end;
1500 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1501 if (lookup == NULL)
1502 goto end;
1503 if (CAfile) {
1504 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1505 BIO_printf(bp, "Error loading file %s\n", CAfile);
1506 goto end;
1507 }
1508 } else
1509 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1510
1511 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1512 if (lookup == NULL)
1513 goto end;
1514 if (CApath) {
1515 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1516 BIO_printf(bp, "Error loading directory %s\n", CApath);
1517 goto end;
1518 }
1519 } else
1520 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1521
1522 ERR_clear_error();
1523 return store;
1524 end:
1525 X509_STORE_free(store);
1526 return NULL;
1527}
1528
1529#ifndef OPENSSL_NO_ENGINE
1530/* Try to load an engine in a shareable library */
1531static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1532{
1533 ENGINE *e = ENGINE_by_id("dynamic");
1534 if (e) {
1535 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1536 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1537 ENGINE_free(e);
1538 e = NULL;
1539 }
1540 }
1541 return e;
1542}
1543#endif
1544
1545ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1546{
1547 ENGINE *e = NULL;
1548
1549#ifndef OPENSSL_NO_ENGINE
1550 if (engine) {
1551 if (strcmp(engine, "auto") == 0) {
1552 BIO_printf(err, "enabling auto ENGINE support\n");
1553 ENGINE_register_all_complete();
1554 return NULL;
1555 }
1556 if ((e = ENGINE_by_id(engine)) == NULL
1557 && (e = try_load_engine(err, engine, debug)) == NULL) {
1558 BIO_printf(err, "invalid engine \"%s\"\n", engine);
1559 ERR_print_errors(err);
1560 return NULL;
1561 }
1562 if (debug) {
1563 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, err, 0);
1564 }
1565 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1566 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1567 BIO_printf(err, "can't use that engine\n");
1568 ERR_print_errors(err);
1569 ENGINE_free(e);
1570 return NULL;
1571 }
1572
1573 BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1574 }
1575#endif
1576 return e;
1577}
1578
1579void release_engine(ENGINE *e)
1580{
1581#ifndef OPENSSL_NO_ENGINE
1582 if (e != NULL)
1583 /* Free our "structural" reference. */
1584 ENGINE_free(e);
1585#endif
1586}
1587
1588int load_config(BIO *err, CONF *cnf)
1589{
1590 static int load_config_called = 0;
1591 if (load_config_called)
1592 return 1;
1593 load_config_called = 1;
1594 if (!cnf)
1595 cnf = config;
1596 if (!cnf)
1597 return 1;
1598
1599 OPENSSL_load_builtin_modules();
1600
1601 if (CONF_modules_load(cnf, NULL, 0) <= 0) {
1602 BIO_printf(err, "Error configuring OpenSSL\n");
1603 ERR_print_errors(err);
1604 return 0;
1605 }
1606 return 1;
1607}
1608
1609char *make_config_name()
1610{
1611 const char *t = X509_get_default_cert_area();
1612 size_t len;
1613 char *p;
1614
1615 len = strlen(t) + strlen(OPENSSL_CONF) + 2;
1616 p = OPENSSL_malloc(len);
1617 if (p == NULL)
1618 return NULL;
1619 BUF_strlcpy(p, t, len);
1620#ifndef OPENSSL_SYS_VMS
1621 BUF_strlcat(p, "/", len);
1622#endif
1623 BUF_strlcat(p, OPENSSL_CONF, len);
1624
1625 return p;
1626}
1627
1628static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1629{
1630 const char *n;
1631
1632 n = a[DB_serial];
1633 while (*n == '0')
1634 n++;
1635 return (lh_strhash(n));
1636}
1637
1638static int index_serial_cmp(const OPENSSL_CSTRING *a,
1639 const OPENSSL_CSTRING *b)
1640{
1641 const char *aa, *bb;
1642
1643 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1644 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1645 return (strcmp(aa, bb));
1646}
1647
1648static int index_name_qual(char **a)
1649{
1650 return (a[0][0] == 'V');
1651}
1652
1653static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1654{
1655 return (lh_strhash(a[DB_name]));
1656}
1657
1658int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1659{
1660 return (strcmp(a[DB_name], b[DB_name]));
1661}
1662
1663static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1664static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1665static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1666static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1667#undef BSIZE
1668#define BSIZE 256
1669BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1670{
1671 BIO *in = NULL;
1672 BIGNUM *ret = NULL;
1673 MS_STATIC char buf[1024];
1674 ASN1_INTEGER *ai = NULL;
1675
1676 ai = ASN1_INTEGER_new();
1677 if (ai == NULL)
1678 goto err;
1679
1680 if ((in = BIO_new(BIO_s_file())) == NULL) {
1681 ERR_print_errors(bio_err);
1682 goto err;
1683 }
1684
1685 if (BIO_read_filename(in, serialfile) <= 0) {
1686 if (!create) {
1687 perror(serialfile);
1688 goto err;
1689 } else {
1690 ret = BN_new();
1691 if (ret == NULL || !rand_serial(ret, ai))
1692 BIO_printf(bio_err, "Out of memory\n");
1693 }
1694 } else {
1695 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1696 BIO_printf(bio_err, "unable to load number from %s\n",
1697 serialfile);
1698 goto err;
1699 }
1700 ret = ASN1_INTEGER_to_BN(ai, NULL);
1701 if (ret == NULL) {
1702 BIO_printf(bio_err,
1703 "error converting number from bin to BIGNUM\n");
1704 goto err;
1705 }
1706 }
1707
1708 if (ret && retai) {
1709 *retai = ai;
1710 ai = NULL;
1711 }
1712 err:
1713 if (in != NULL)
1714 BIO_free(in);
1715 if (ai != NULL)
1716 ASN1_INTEGER_free(ai);
1717 return (ret);
1718}
1719
1720int save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1721 ASN1_INTEGER **retai)
1722{
1723 char buf[1][BSIZE];
1724 BIO *out = NULL;
1725 int ret = 0;
1726 ASN1_INTEGER *ai = NULL;
1727 int j;
1728
1729 if (suffix == NULL)
1730 j = strlen(serialfile);
1731 else
1732 j = strlen(serialfile) + strlen(suffix) + 1;
1733 if (j >= BSIZE) {
1734 BIO_printf(bio_err, "file name too long\n");
1735 goto err;
1736 }
1737
1738 if (suffix == NULL)
1739 BUF_strlcpy(buf[0], serialfile, BSIZE);
1740 else {
1741#ifndef OPENSSL_SYS_VMS
1742 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1743#else
1744 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1745#endif
1746 }
1747#ifdef RL_DEBUG
1748 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1749#endif
1750 out = BIO_new(BIO_s_file());
1751 if (out == NULL) {
1752 ERR_print_errors(bio_err);
1753 goto err;
1754 }
1755 if (BIO_write_filename(out, buf[0]) <= 0) {
1756 perror(serialfile);
1757 goto err;
1758 }
1759
1760 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1761 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1762 goto err;
1763 }
1764 i2a_ASN1_INTEGER(out, ai);
1765 BIO_puts(out, "\n");
1766 ret = 1;
1767 if (retai) {
1768 *retai = ai;
1769 ai = NULL;
1770 }
1771 err:
1772 if (out != NULL)
1773 BIO_free_all(out);
1774 if (ai != NULL)
1775 ASN1_INTEGER_free(ai);
1776 return (ret);
1777}
1778
1779int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1780{
1781 char buf[5][BSIZE];
1782 int i, j;
1783
1784 i = strlen(serialfile) + strlen(old_suffix);
1785 j = strlen(serialfile) + strlen(new_suffix);
1786 if (i > j)
1787 j = i;
1788 if (j + 1 >= BSIZE) {
1789 BIO_printf(bio_err, "file name too long\n");
1790 goto err;
1791 }
1792#ifndef OPENSSL_SYS_VMS
1793 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1794#else
1795 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1796#endif
1797#ifndef OPENSSL_SYS_VMS
1798 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1799#else
1800 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1801#endif
1802#ifdef RL_DEBUG
1803 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1804 serialfile, buf[1]);
1805#endif
1806 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1807#ifdef ENOTDIR
1808 && errno != ENOTDIR
1809#endif
1810 ) {
1811 BIO_printf(bio_err,
1812 "unable to rename %s to %s\n", serialfile, buf[1]);
1813 perror("reason");
1814 goto err;
1815 }
1816#ifdef RL_DEBUG
1817 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1818 buf[0], serialfile);
1819#endif
1820 if (rename(buf[0], serialfile) < 0) {
1821 BIO_printf(bio_err,
1822 "unable to rename %s to %s\n", buf[0], serialfile);
1823 perror("reason");
1824 rename(buf[1], serialfile);
1825 goto err;
1826 }
1827 return 1;
1828 err:
1829 return 0;
1830}
1831
1832int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1833{
1834 BIGNUM *btmp;
1835 int ret = 0;
1836 if (b)
1837 btmp = b;
1838 else
1839 btmp = BN_new();
1840
1841 if (!btmp)
1842 return 0;
1843
1844 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1845 goto error;
1846 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1847 goto error;
1848
1849 ret = 1;
1850
1851 error:
1852
1853 if (!b)
1854 BN_free(btmp);
1855
1856 return ret;
1857}
1858
1859CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1860{
1861 CA_DB *retdb = NULL;
1862 TXT_DB *tmpdb = NULL;
1863 BIO *in = BIO_new(BIO_s_file());
1864 CONF *dbattr_conf = NULL;
1865 char buf[1][BSIZE];
1866 long errorline = -1;
1867
1868 if (in == NULL) {
1869 ERR_print_errors(bio_err);
1870 goto err;
1871 }
1872 if (BIO_read_filename(in, dbfile) <= 0) {
1873 perror(dbfile);
1874 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1875 goto err;
1876 }
1877 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1878 goto err;
1879
1880#ifndef OPENSSL_SYS_VMS
1881 BIO_snprintf(buf[0], sizeof(buf[0]), "%s.attr", dbfile);
1882#else
1883 BIO_snprintf(buf[0], sizeof(buf[0]), "%s-attr", dbfile);
1884#endif
1885 dbattr_conf = NCONF_new(NULL);
1886 if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) {
1887 if (errorline > 0) {
1888 BIO_printf(bio_err,
1889 "error on line %ld of db attribute file '%s'\n",
1890 errorline, buf[0]);
1891 goto err;
1892 } else {
1893 NCONF_free(dbattr_conf);
1894 dbattr_conf = NULL;
1895 }
1896 }
1897
1898 if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) {
1899 fprintf(stderr, "Out of memory\n");
1900 goto err;
1901 }
1902
1903 retdb->db = tmpdb;
1904 tmpdb = NULL;
1905 if (db_attr)
1906 retdb->attributes = *db_attr;
1907 else {
1908 retdb->attributes.unique_subject = 1;
1909 }
1910
1911 if (dbattr_conf) {
1912 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1913 if (p) {
1914#ifdef RL_DEBUG
1915 BIO_printf(bio_err,
1916 "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1917#endif
1918 retdb->attributes.unique_subject = parse_yesno(p, 1);
1919 }
1920 }
1921
1922 err:
1923 if (dbattr_conf)
1924 NCONF_free(dbattr_conf);
1925 if (tmpdb)
1926 TXT_DB_free(tmpdb);
1927 if (in)
1928 BIO_free_all(in);
1929 return retdb;
1930}
1931
1932int index_index(CA_DB *db)
1933{
1934 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1935 LHASH_HASH_FN(index_serial),
1936 LHASH_COMP_FN(index_serial))) {
1937 BIO_printf(bio_err,
1938 "error creating serial number index:(%ld,%ld,%ld)\n",
1939 db->db->error, db->db->arg1, db->db->arg2);
1940 return 0;
1941 }
1942
1943 if (db->attributes.unique_subject
1944 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1945 LHASH_HASH_FN(index_name),
1946 LHASH_COMP_FN(index_name))) {
1947 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1948 db->db->error, db->db->arg1, db->db->arg2);
1949 return 0;
1950 }
1951 return 1;
1952}
1953
1954int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1955{
1956 char buf[3][BSIZE];
1957 BIO *out = BIO_new(BIO_s_file());
1958 int j;
1959
1960 if (out == NULL) {
1961 ERR_print_errors(bio_err);
1962 goto err;
1963 }
1964
1965 j = strlen(dbfile) + strlen(suffix);
1966 if (j + 6 >= BSIZE) {
1967 BIO_printf(bio_err, "file name too long\n");
1968 goto err;
1969 }
1970#ifndef OPENSSL_SYS_VMS
1971 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1972#else
1973 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1974#endif
1975#ifndef OPENSSL_SYS_VMS
1976 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1977#else
1978 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1979#endif
1980#ifndef OPENSSL_SYS_VMS
1981 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1982#else
1983 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1984#endif
1985#ifdef RL_DEBUG
1986 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1987#endif
1988 if (BIO_write_filename(out, buf[0]) <= 0) {
1989 perror(dbfile);
1990 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1991 goto err;
1992 }
1993 j = TXT_DB_write(out, db->db);
1994 if (j <= 0)
1995 goto err;
1996
1997 BIO_free(out);
1998
1999 out = BIO_new(BIO_s_file());
2000#ifdef RL_DEBUG
2001 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
2002#endif
2003 if (BIO_write_filename(out, buf[1]) <= 0) {
2004 perror(buf[2]);
2005 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
2006 goto err;
2007 }
2008 BIO_printf(out, "unique_subject = %s\n",
2009 db->attributes.unique_subject ? "yes" : "no");
2010 BIO_free(out);
2011
2012 return 1;
2013 err:
2014 return 0;
2015}
2016
2017int rotate_index(const char *dbfile, const char *new_suffix,
2018 const char *old_suffix)
2019{
2020 char buf[5][BSIZE];
2021 int i, j;
2022
2023 i = strlen(dbfile) + strlen(old_suffix);
2024 j = strlen(dbfile) + strlen(new_suffix);
2025 if (i > j)
2026 j = i;
2027 if (j + 6 >= BSIZE) {
2028 BIO_printf(bio_err, "file name too long\n");
2029 goto err;
2030 }
2031#ifndef OPENSSL_SYS_VMS
2032 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
2033#else
2034 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
2035#endif
2036#ifndef OPENSSL_SYS_VMS
2037 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
2038#else
2039 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
2040#endif
2041#ifndef OPENSSL_SYS_VMS
2042 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
2043#else
2044 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
2045#endif
2046#ifndef OPENSSL_SYS_VMS
2047 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
2048#else
2049 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
2050#endif
2051#ifndef OPENSSL_SYS_VMS
2052 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
2053#else
2054 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
2055#endif
2056#ifdef RL_DEBUG
2057 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]);
2058#endif
2059 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
2060#ifdef ENOTDIR
2061 && errno != ENOTDIR
2062#endif
2063 ) {
2064 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
2065 perror("reason");
2066 goto err;
2067 }
2068#ifdef RL_DEBUG
2069 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile);
2070#endif
2071 if (rename(buf[0], dbfile) < 0) {
2072 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
2073 perror("reason");
2074 rename(buf[1], dbfile);
2075 goto err;
2076 }
2077#ifdef RL_DEBUG
2078 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]);
2079#endif
2080 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
2081#ifdef ENOTDIR
2082 && errno != ENOTDIR
2083#endif
2084 ) {
2085 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
2086 perror("reason");
2087 rename(dbfile, buf[0]);
2088 rename(buf[1], dbfile);
2089 goto err;
2090 }
2091#ifdef RL_DEBUG
2092 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]);
2093#endif
2094 if (rename(buf[2], buf[4]) < 0) {
2095 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
2096 perror("reason");
2097 rename(buf[3], buf[4]);
2098 rename(dbfile, buf[0]);
2099 rename(buf[1], dbfile);
2100 goto err;
2101 }
2102 return 1;
2103 err:
2104 return 0;
2105}
2106
2107void free_index(CA_DB *db)
2108{
2109 if (db) {
2110 if (db->db)
2111 TXT_DB_free(db->db);
2112 OPENSSL_free(db);
2113 }
2114}
2115
2116int parse_yesno(const char *str, int def)
2117{
2118 int ret = def;
2119 if (str) {
2120 switch (*str) {
2121 case 'f': /* false */
2122 case 'F': /* FALSE */
2123 case 'n': /* no */
2124 case 'N': /* NO */
2125 case '0': /* 0 */
2126 ret = 0;
2127 break;
2128 case 't': /* true */
2129 case 'T': /* TRUE */
2130 case 'y': /* yes */
2131 case 'Y': /* YES */
2132 case '1': /* 1 */
2133 ret = 1;
2134 break;
2135 default:
2136 ret = def;
2137 break;
2138 }
2139 }
2140 return ret;
2141}
2142
2143/*
2144 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2145 * where characters may be escaped by \
2146 */
2147X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2148{
2149 size_t buflen = strlen(subject) + 1; /* to copy the types and values
2150 * into. due to escaping, the copy
2151 * can only become shorter */
2152 char *buf = OPENSSL_malloc(buflen);
2153 size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2154 char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *));
2155 char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *));
2156 int *mval = OPENSSL_malloc(max_ne * sizeof(int));
2157
2158 char *sp = subject, *bp = buf;
2159 int i, ne_num = 0;
2160
2161 X509_NAME *n = NULL;
2162 int nid;
2163
2164 if (!buf || !ne_types || !ne_values || !mval) {
2165 BIO_printf(bio_err, "malloc error\n");
2166 goto error;
2167 }
2168
2169 if (*subject != '/') {
2170 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2171 goto error;
2172 }
2173 sp++; /* skip leading / */
2174
2175 /* no multivalued RDN by default */
2176 mval[ne_num] = 0;
2177
2178 while (*sp) {
2179 /* collect type */
2180 ne_types[ne_num] = bp;
2181 while (*sp) {
2182 if (*sp == '\\') { /* is there anything to escape in the
2183 * type...? */
2184 if (*++sp)
2185 *bp++ = *sp++;
2186 else {
2187 BIO_printf(bio_err,
2188 "escape character at end of string\n");
2189 goto error;
2190 }
2191 } else if (*sp == '=') {
2192 sp++;
2193 *bp++ = '\0';
2194 break;
2195 } else
2196 *bp++ = *sp++;
2197 }
2198 if (!*sp) {
2199 BIO_printf(bio_err,
2200 "end of string encountered while processing type of subject name element #%d\n",
2201 ne_num);
2202 goto error;
2203 }
2204 ne_values[ne_num] = bp;
2205 while (*sp) {
2206 if (*sp == '\\') {
2207 if (*++sp)
2208 *bp++ = *sp++;
2209 else {
2210 BIO_printf(bio_err,
2211 "escape character at end of string\n");
2212 goto error;
2213 }
2214 } else if (*sp == '/') {
2215 sp++;
2216 /* no multivalued RDN by default */
2217 mval[ne_num + 1] = 0;
2218 break;
2219 } else if (*sp == '+' && multirdn) {
2220 /*
2221 * a not escaped + signals a mutlivalued RDN
2222 */
2223 sp++;
2224 mval[ne_num + 1] = -1;
2225 break;
2226 } else
2227 *bp++ = *sp++;
2228 }
2229 *bp++ = '\0';
2230 ne_num++;
2231 }
2232
2233 if (!(n = X509_NAME_new()))
2234 goto error;
2235
2236 for (i = 0; i < ne_num; i++) {
2237 if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
2238 BIO_printf(bio_err,
2239 "Subject Attribute %s has no known NID, skipped\n",
2240 ne_types[i]);
2241 continue;
2242 }
2243
2244 if (!*ne_values[i]) {
2245 BIO_printf(bio_err,
2246 "No value provided for Subject Attribute %s, skipped\n",
2247 ne_types[i]);
2248 continue;
2249 }
2250
2251 if (!X509_NAME_add_entry_by_NID
2252 (n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i]))
2253 goto error;
2254 }
2255
2256 OPENSSL_free(ne_values);
2257 OPENSSL_free(ne_types);
2258 OPENSSL_free(buf);
2259 OPENSSL_free(mval);
2260 return n;
2261
2262 error:
2263 X509_NAME_free(n);
2264 if (ne_values)
2265 OPENSSL_free(ne_values);
2266 if (ne_types)
2267 OPENSSL_free(ne_types);
2268 if (mval)
2269 OPENSSL_free(mval);
2270 if (buf)
2271 OPENSSL_free(buf);
2272 return NULL;
2273}
2274
2275int args_verify(char ***pargs, int *pargc,
2276 int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2277{
2278 ASN1_OBJECT *otmp = NULL;
2279 unsigned long flags = 0;
2280 int i;
2281 int purpose = 0, depth = -1;
2282 char **oldargs = *pargs;
2283 char *arg = **pargs, *argn = (*pargs)[1];
2284 time_t at_time = 0;
2285 char *hostname = NULL;
2286 char *email = NULL;
2287 char *ipasc = NULL;
2288 if (!strcmp(arg, "-policy")) {
2289 if (!argn)
2290 *badarg = 1;
2291 else {
2292 otmp = OBJ_txt2obj(argn, 0);
2293 if (!otmp) {
2294 BIO_printf(err, "Invalid Policy \"%s\"\n", argn);
2295 *badarg = 1;
2296 }
2297 }
2298 (*pargs)++;
2299 } else if (strcmp(arg, "-purpose") == 0) {
2300 X509_PURPOSE *xptmp;
2301 if (!argn)
2302 *badarg = 1;
2303 else {
2304 i = X509_PURPOSE_get_by_sname(argn);
2305 if (i < 0) {
2306 BIO_printf(err, "unrecognized purpose\n");
2307 *badarg = 1;
2308 } else {
2309 xptmp = X509_PURPOSE_get0(i);
2310 purpose = X509_PURPOSE_get_id(xptmp);
2311 }
2312 }
2313 (*pargs)++;
2314 } else if (strcmp(arg, "-verify_depth") == 0) {
2315 if (!argn)
2316 *badarg = 1;
2317 else {
2318 depth = atoi(argn);
2319 if (depth < 0) {
2320 BIO_printf(err, "invalid depth\n");
2321 *badarg = 1;
2322 }
2323 }
2324 (*pargs)++;
2325 } else if (strcmp(arg, "-attime") == 0) {
2326 if (!argn)
2327 *badarg = 1;
2328 else {
2329 long timestamp;
2330 /*
2331 * interpret the -attime argument as seconds since Epoch
2332 */
2333 if (sscanf(argn, "%li", &timestamp) != 1) {
2334 BIO_printf(bio_err, "Error parsing timestamp %s\n", argn);
2335 *badarg = 1;
2336 }
2337 /* on some platforms time_t may be a float */
2338 at_time = (time_t)timestamp;
2339 }
2340 (*pargs)++;
2341 } else if (strcmp(arg, "-verify_hostname") == 0) {
2342 if (!argn)
2343 *badarg = 1;
2344 hostname = argn;
2345 (*pargs)++;
2346 } else if (strcmp(arg, "-verify_email") == 0) {
2347 if (!argn)
2348 *badarg = 1;
2349 email = argn;
2350 (*pargs)++;
2351 } else if (strcmp(arg, "-verify_ip") == 0) {
2352 if (!argn)
2353 *badarg = 1;
2354 ipasc = argn;
2355 (*pargs)++;
2356 } else if (!strcmp(arg, "-ignore_critical"))
2357 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2358 else if (!strcmp(arg, "-issuer_checks"))
2359 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2360 else if (!strcmp(arg, "-crl_check"))
2361 flags |= X509_V_FLAG_CRL_CHECK;
2362 else if (!strcmp(arg, "-crl_check_all"))
2363 flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
2364 else if (!strcmp(arg, "-policy_check"))
2365 flags |= X509_V_FLAG_POLICY_CHECK;
2366 else if (!strcmp(arg, "-explicit_policy"))
2367 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2368 else if (!strcmp(arg, "-inhibit_any"))
2369 flags |= X509_V_FLAG_INHIBIT_ANY;
2370 else if (!strcmp(arg, "-inhibit_map"))
2371 flags |= X509_V_FLAG_INHIBIT_MAP;
2372 else if (!strcmp(arg, "-x509_strict"))
2373 flags |= X509_V_FLAG_X509_STRICT;
2374 else if (!strcmp(arg, "-extended_crl"))
2375 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2376 else if (!strcmp(arg, "-use_deltas"))
2377 flags |= X509_V_FLAG_USE_DELTAS;
2378 else if (!strcmp(arg, "-policy_print"))
2379 flags |= X509_V_FLAG_NOTIFY_POLICY;
2380 else if (!strcmp(arg, "-check_ss_sig"))
2381 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2382 else if (!strcmp(arg, "-trusted_first"))
2383 flags |= X509_V_FLAG_TRUSTED_FIRST;
2384 else if (!strcmp(arg, "-suiteB_128_only"))
2385 flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
2386 else if (!strcmp(arg, "-suiteB_128"))
2387 flags |= X509_V_FLAG_SUITEB_128_LOS;
2388 else if (!strcmp(arg, "-suiteB_192"))
2389 flags |= X509_V_FLAG_SUITEB_192_LOS;
2390 else if (!strcmp(arg, "-partial_chain"))
2391 flags |= X509_V_FLAG_PARTIAL_CHAIN;
2392 else if (!strcmp(arg, "-no_alt_chains"))
2393 flags |= X509_V_FLAG_NO_ALT_CHAINS;
2394 else if (!strcmp(arg, "-allow_proxy_certs"))
2395 flags |= X509_V_FLAG_ALLOW_PROXY_CERTS;
2396 else
2397 return 0;
2398
2399 if (*badarg) {
2400 if (*pm)
2401 X509_VERIFY_PARAM_free(*pm);
2402 *pm = NULL;
2403 goto end;
2404 }
2405
2406 if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
2407 *badarg = 1;
2408 goto end;
2409 }
2410
2411 if (otmp)
2412 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2413 if (flags)
2414 X509_VERIFY_PARAM_set_flags(*pm, flags);
2415
2416 if (purpose)
2417 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2418
2419 if (depth >= 0)
2420 X509_VERIFY_PARAM_set_depth(*pm, depth);
2421
2422 if (at_time)
2423 X509_VERIFY_PARAM_set_time(*pm, at_time);
2424
2425 if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
2426 *badarg = 1;
2427
2428 if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
2429 *badarg = 1;
2430
2431 if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
2432 *badarg = 1;
2433
2434 end:
2435
2436 (*pargs)++;
2437
2438 if (pargc)
2439 *pargc -= *pargs - oldargs;
2440
2441 return 1;
2442
2443}
2444
2445/*
2446 * Read whole contents of a BIO into an allocated memory buffer and return
2447 * it.
2448 */
2449
2450int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2451{
2452 BIO *mem;
2453 int len, ret;
2454 unsigned char tbuf[1024];
2455 mem = BIO_new(BIO_s_mem());
2456 if (!mem)
2457 return -1;
2458 for (;;) {
2459 if ((maxlen != -1) && maxlen < 1024)
2460 len = maxlen;
2461 else
2462 len = 1024;
2463 len = BIO_read(in, tbuf, len);
2464 if (len < 0) {
2465 BIO_free(mem);
2466 return -1;
2467 }
2468 if (len == 0)
2469 break;
2470 if (BIO_write(mem, tbuf, len) != len) {
2471 BIO_free(mem);
2472 return -1;
2473 }
2474 maxlen -= len;
2475
2476 if (maxlen == 0)
2477 break;
2478 }
2479 ret = BIO_get_mem_data(mem, (char **)out);
2480 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2481 BIO_free(mem);
2482 return ret;
2483}
2484
2485int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2486{
2487 int rv;
2488 char *stmp, *vtmp = NULL;
2489 stmp = BUF_strdup(value);
2490 if (!stmp)
2491 return -1;
2492 vtmp = strchr(stmp, ':');
2493 if (vtmp) {
2494 *vtmp = 0;
2495 vtmp++;
2496 }
2497 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2498 OPENSSL_free(stmp);
2499 return rv;
2500}
2501
2502static void nodes_print(BIO *out, const char *name,
2503 STACK_OF(X509_POLICY_NODE) *nodes)
2504{
2505 X509_POLICY_NODE *node;
2506 int i;
2507 BIO_printf(out, "%s Policies:", name);
2508 if (nodes) {
2509 BIO_puts(out, "\n");
2510 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2511 node = sk_X509_POLICY_NODE_value(nodes, i);
2512 X509_POLICY_NODE_print(out, node, 2);
2513 }
2514 } else
2515 BIO_puts(out, " <empty>\n");
2516}
2517
2518void policies_print(BIO *out, X509_STORE_CTX *ctx)
2519{
2520 X509_POLICY_TREE *tree;
2521 int explicit_policy;
2522 int free_out = 0;
2523 if (out == NULL) {
2524 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2525 free_out = 1;
2526 }
2527 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2528 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2529
2530 BIO_printf(out, "Require explicit Policy: %s\n",
2531 explicit_policy ? "True" : "False");
2532
2533 nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2534 nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2535 if (free_out)
2536 BIO_free(out);
2537}
2538
2539#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2540
2541static JPAKE_CTX *jpake_init(const char *us, const char *them,
2542 const char *secret)
2543{
2544 BIGNUM *p = NULL;
2545 BIGNUM *g = NULL;
2546 BIGNUM *q = NULL;
2547 BIGNUM *bnsecret = BN_new();
2548 JPAKE_CTX *ctx;
2549
2550 /* Use a safe prime for p (that we found earlier) */
2551 BN_hex2bn(&p,
2552 "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2553 g = BN_new();
2554 BN_set_word(g, 2);
2555 q = BN_new();
2556 BN_rshift1(q, p);
2557
2558 BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2559
2560 ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2561 BN_free(bnsecret);
2562 BN_free(q);
2563 BN_free(g);
2564 BN_free(p);
2565
2566 return ctx;
2567}
2568
2569static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2570{
2571 BN_print(conn, p->gx);
2572 BIO_puts(conn, "\n");
2573 BN_print(conn, p->zkpx.gr);
2574 BIO_puts(conn, "\n");
2575 BN_print(conn, p->zkpx.b);
2576 BIO_puts(conn, "\n");
2577}
2578
2579static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2580{
2581 JPAKE_STEP1 s1;
2582
2583 JPAKE_STEP1_init(&s1);
2584 JPAKE_STEP1_generate(&s1, ctx);
2585 jpake_send_part(bconn, &s1.p1);
2586 jpake_send_part(bconn, &s1.p2);
2587 (void)BIO_flush(bconn);
2588 JPAKE_STEP1_release(&s1);
2589}
2590
2591static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2592{
2593 JPAKE_STEP2 s2;
2594
2595 JPAKE_STEP2_init(&s2);
2596 JPAKE_STEP2_generate(&s2, ctx);
2597 jpake_send_part(bconn, &s2);
2598 (void)BIO_flush(bconn);
2599 JPAKE_STEP2_release(&s2);
2600}
2601
2602static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2603{
2604 JPAKE_STEP3A s3a;
2605
2606 JPAKE_STEP3A_init(&s3a);
2607 JPAKE_STEP3A_generate(&s3a, ctx);
2608 BIO_write(bconn, s3a.hhk, sizeof(s3a.hhk));
2609 (void)BIO_flush(bconn);
2610 JPAKE_STEP3A_release(&s3a);
2611}
2612
2613static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2614{
2615 JPAKE_STEP3B s3b;
2616
2617 JPAKE_STEP3B_init(&s3b);
2618 JPAKE_STEP3B_generate(&s3b, ctx);
2619 BIO_write(bconn, s3b.hk, sizeof(s3b.hk));
2620 (void)BIO_flush(bconn);
2621 JPAKE_STEP3B_release(&s3b);
2622}
2623
2624static void readbn(BIGNUM **bn, BIO *bconn)
2625{
2626 char buf[10240];
2627 int l;
2628
2629 l = BIO_gets(bconn, buf, sizeof(buf));
2630 assert(l > 0);
2631 assert(buf[l - 1] == '\n');
2632 buf[l - 1] = '\0';
2633 BN_hex2bn(bn, buf);
2634}
2635
2636static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2637{
2638 readbn(&p->gx, bconn);
2639 readbn(&p->zkpx.gr, bconn);
2640 readbn(&p->zkpx.b, bconn);
2641}
2642
2643static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2644{
2645 JPAKE_STEP1 s1;
2646
2647 JPAKE_STEP1_init(&s1);
2648 jpake_receive_part(&s1.p1, bconn);
2649 jpake_receive_part(&s1.p2, bconn);
2650 if (!JPAKE_STEP1_process(ctx, &s1)) {
2651 ERR_print_errors(bio_err);
2652 exit(1);
2653 }
2654 JPAKE_STEP1_release(&s1);
2655}
2656
2657static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2658{
2659 JPAKE_STEP2 s2;
2660
2661 JPAKE_STEP2_init(&s2);
2662 jpake_receive_part(&s2, bconn);
2663 if (!JPAKE_STEP2_process(ctx, &s2)) {
2664 ERR_print_errors(bio_err);
2665 exit(1);
2666 }
2667 JPAKE_STEP2_release(&s2);
2668}
2669
2670static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2671{
2672 JPAKE_STEP3A s3a;
2673 int l;
2674
2675 JPAKE_STEP3A_init(&s3a);
2676 l = BIO_read(bconn, s3a.hhk, sizeof(s3a.hhk));
2677 assert(l == sizeof(s3a.hhk));
2678 if (!JPAKE_STEP3A_process(ctx, &s3a)) {
2679 ERR_print_errors(bio_err);
2680 exit(1);
2681 }
2682 JPAKE_STEP3A_release(&s3a);
2683}
2684
2685static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2686{
2687 JPAKE_STEP3B s3b;
2688 int l;
2689
2690 JPAKE_STEP3B_init(&s3b);
2691 l = BIO_read(bconn, s3b.hk, sizeof(s3b.hk));
2692 assert(l == sizeof(s3b.hk));
2693 if (!JPAKE_STEP3B_process(ctx, &s3b)) {
2694 ERR_print_errors(bio_err);
2695 exit(1);
2696 }
2697 JPAKE_STEP3B_release(&s3b);
2698}
2699
2700void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2701{
2702 JPAKE_CTX *ctx;
2703 BIO *bconn;
2704
2705 BIO_puts(out, "Authenticating with JPAKE\n");
2706
2707 ctx = jpake_init("client", "server", secret);
2708
2709 bconn = BIO_new(BIO_f_buffer());
2710 BIO_push(bconn, conn);
2711
2712 jpake_send_step1(bconn, ctx);
2713 jpake_receive_step1(ctx, bconn);
2714 jpake_send_step2(bconn, ctx);
2715 jpake_receive_step2(ctx, bconn);
2716 jpake_send_step3a(bconn, ctx);
2717 jpake_receive_step3b(ctx, bconn);
2718
2719 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2720
2721 if (psk_key)
2722 OPENSSL_free(psk_key);
2723
2724 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2725
2726 BIO_pop(bconn);
2727 BIO_free(bconn);
2728
2729 JPAKE_CTX_free(ctx);
2730}
2731
2732void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2733{
2734 JPAKE_CTX *ctx;
2735 BIO *bconn;
2736
2737 BIO_puts(out, "Authenticating with JPAKE\n");
2738
2739 ctx = jpake_init("server", "client", secret);
2740
2741 bconn = BIO_new(BIO_f_buffer());
2742 BIO_push(bconn, conn);
2743
2744 jpake_receive_step1(ctx, bconn);
2745 jpake_send_step1(bconn, ctx);
2746 jpake_receive_step2(ctx, bconn);
2747 jpake_send_step2(bconn, ctx);
2748 jpake_receive_step3a(ctx, bconn);
2749 jpake_send_step3b(bconn, ctx);
2750
2751 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2752
2753 if (psk_key)
2754 OPENSSL_free(psk_key);
2755
2756 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2757
2758 BIO_pop(bconn);
2759 BIO_free(bconn);
2760
2761 JPAKE_CTX_free(ctx);
2762}
2763
2764#endif
2765
2766#ifndef OPENSSL_NO_TLSEXT
2767/*-
2768 * next_protos_parse parses a comma separated list of strings into a string
2769 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2770 * outlen: (output) set to the length of the resulting buffer on success.
2771 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2772 * in: a NUL termianted string like "abc,def,ghi"
2773 *
2774 * returns: a malloced buffer or NULL on failure.
2775 */
2776unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2777{
2778 size_t len;
2779 unsigned char *out;
2780 size_t i, start = 0;
2781
2782 len = strlen(in);
2783 if (len >= 65535)
2784 return NULL;
2785
2786 out = OPENSSL_malloc(strlen(in) + 1);
2787 if (!out)
2788 return NULL;
2789
2790 for (i = 0; i <= len; ++i) {
2791 if (i == len || in[i] == ',') {
2792 if (i - start > 255) {
2793 OPENSSL_free(out);
2794 return NULL;
2795 }
2796 out[start] = (unsigned char)(i - start);
2797 start = i + 1;
2798 } else
2799 out[i + 1] = in[i];
2800 }
2801
2802 *outlen = (unsigned char)(len + 1);
2803 return out;
2804}
2805#endif /* ndef OPENSSL_NO_TLSEXT */
2806
2807void print_cert_checks(BIO *bio, X509 *x,
2808 const char *checkhost,
2809 const char *checkemail, const char *checkip)
2810{
2811 if (x == NULL)
2812 return;
2813 if (checkhost) {
2814 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2815 checkhost, X509_check_host(x, checkhost, 0, 0, NULL) == 1
2816 ? "" : " NOT");
2817 }
2818
2819 if (checkemail) {
2820 BIO_printf(bio, "Email %s does%s match certificate\n",
2821 checkemail, X509_check_email(x, checkemail, 0,
2822 0) ? "" : " NOT");
2823 }
2824
2825 if (checkip) {
2826 BIO_printf(bio, "IP %s does%s match certificate\n",
2827 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2828 }
2829}
2830
2831/* Get first http URL from a DIST_POINT structure */
2832
2833static const char *get_dp_url(DIST_POINT *dp)
2834{
2835 GENERAL_NAMES *gens;
2836 GENERAL_NAME *gen;
2837 int i, gtype;
2838 ASN1_STRING *uri;
2839 if (!dp->distpoint || dp->distpoint->type != 0)
2840 return NULL;
2841 gens = dp->distpoint->name.fullname;
2842 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2843 gen = sk_GENERAL_NAME_value(gens, i);
2844 uri = GENERAL_NAME_get0_value(gen, &gtype);
2845 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2846 char *uptr = (char *)ASN1_STRING_data(uri);
2847 if (!strncmp(uptr, "http://", 7))
2848 return uptr;
2849 }
2850 }
2851 return NULL;
2852}
2853
2854/*
2855 * Look through a CRLDP structure and attempt to find an http URL to
2856 * downloads a CRL from.
2857 */
2858
2859static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2860{
2861 int i;
2862 const char *urlptr = NULL;
2863 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2864 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2865 urlptr = get_dp_url(dp);
2866 if (urlptr)
2867 return load_crl(urlptr, FORMAT_HTTP);
2868 }
2869 return NULL;
2870}
2871
2872/*
2873 * Example of downloading CRLs from CRLDP: not usable for real world as it
2874 * always downloads, doesn't support non-blocking I/O and doesn't cache
2875 * anything.
2876 */
2877
2878static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2879{
2880 X509 *x;
2881 STACK_OF(X509_CRL) *crls = NULL;
2882 X509_CRL *crl;
2883 STACK_OF(DIST_POINT) *crldp;
2884 x = X509_STORE_CTX_get_current_cert(ctx);
2885 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2886 crl = load_crl_crldp(crldp);
2887 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2888 if (!crl)
2889 return NULL;
2890 crls = sk_X509_CRL_new_null();
2891 sk_X509_CRL_push(crls, crl);
2892 /* Try to download delta CRL */
2893 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2894 crl = load_crl_crldp(crldp);
2895 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2896 if (crl)
2897 sk_X509_CRL_push(crls, crl);
2898 return crls;
2899}
2900
2901void store_setup_crl_download(X509_STORE *st)
2902{
2903 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2904}
2905
2906/*
2907 * Platform-specific sections
2908 */
2909#if defined(_WIN32)
2910# ifdef fileno
2911# undef fileno
2912# define fileno(a) (int)_fileno(a)
2913# endif
2914
2915# include <windows.h>
2916# include <tchar.h>
2917
2918static int WIN32_rename(const char *from, const char *to)
2919{
2920 TCHAR *tfrom = NULL, *tto;
2921 DWORD err;
2922 int ret = 0;
2923
2924 if (sizeof(TCHAR) == 1) {
2925 tfrom = (TCHAR *)from;
2926 tto = (TCHAR *)to;
2927 } else { /* UNICODE path */
2928
2929 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2930 tfrom = (TCHAR *)malloc(sizeof(TCHAR) * (flen + tlen));
2931 if (tfrom == NULL)
2932 goto err;
2933 tto = tfrom + flen;
2934# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2935 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2936# endif
2937 for (i = 0; i < flen; i++)
2938 tfrom[i] = (TCHAR)from[i];
2939# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2940 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2941# endif
2942 for (i = 0; i < tlen; i++)
2943 tto[i] = (TCHAR)to[i];
2944 }
2945
2946 if (MoveFile(tfrom, tto))
2947 goto ok;
2948 err = GetLastError();
2949 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2950 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2951 goto ok;
2952 err = GetLastError();
2953 }
2954 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2955 errno = ENOENT;
2956 else if (err == ERROR_ACCESS_DENIED)
2957 errno = EACCES;
2958 else
2959 errno = EINVAL; /* we could map more codes... */
2960 err:
2961 ret = -1;
2962 ok:
2963 if (tfrom != NULL && tfrom != (TCHAR *)from)
2964 free(tfrom);
2965 return ret;
2966}
2967#endif
2968
2969/* app_tminterval section */
2970#if defined(_WIN32)
2971double app_tminterval(int stop, int usertime)
2972{
2973 FILETIME now;
2974 double ret = 0;
2975 static ULARGE_INTEGER tmstart;
2976 static int warning = 1;
2977# ifdef _WIN32_WINNT
2978 static HANDLE proc = NULL;
2979
2980 if (proc == NULL) {
2981 if (check_winnt())
2982 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2983 GetCurrentProcessId());
2984 if (proc == NULL)
2985 proc = (HANDLE) - 1;
2986 }
2987
2988 if (usertime && proc != (HANDLE) - 1) {
2989 FILETIME junk;
2990 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2991 } else
2992# endif
2993 {
2994 SYSTEMTIME systime;
2995
2996 if (usertime && warning) {
2997 BIO_printf(bio_err, "To get meaningful results, run "
2998 "this program on idle system.\n");
2999 warning = 0;
3000 }
3001 GetSystemTime(&systime);
3002 SystemTimeToFileTime(&systime, &now);
3003 }
3004
3005 if (stop == TM_START) {
3006 tmstart.u.LowPart = now.dwLowDateTime;
3007 tmstart.u.HighPart = now.dwHighDateTime;
3008 } else {
3009 ULARGE_INTEGER tmstop;
3010
3011 tmstop.u.LowPart = now.dwLowDateTime;
3012 tmstop.u.HighPart = now.dwHighDateTime;
3013
3014 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
3015 }
3016
3017 return (ret);
3018}
3019
3020#elif defined(OPENSSL_SYS_NETWARE)
3021# include <time.h>
3022
3023double app_tminterval(int stop, int usertime)
3024{
3025 double ret = 0;
3026 static clock_t tmstart;
3027 static int warning = 1;
3028
3029 if (usertime && warning) {
3030 BIO_printf(bio_err, "To get meaningful results, run "
3031 "this program on idle system.\n");
3032 warning = 0;
3033 }
3034
3035 if (stop == TM_START)
3036 tmstart = clock();
3037 else
3038 ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC;
3039
3040 return (ret);
3041}
3042
3043#elif defined(OPENSSL_SYSTEM_VXWORKS)
3044# include <time.h>
3045
3046double app_tminterval(int stop, int usertime)
3047{
3048 double ret = 0;
3049# ifdef CLOCK_REALTIME
3050 static struct timespec tmstart;
3051 struct timespec now;
3052# else
3053 static unsigned long tmstart;
3054 unsigned long now;
3055# endif
3056 static int warning = 1;
3057
3058 if (usertime && warning) {
3059 BIO_printf(bio_err, "To get meaningful results, run "
3060 "this program on idle system.\n");
3061 warning = 0;
3062 }
3063# ifdef CLOCK_REALTIME
3064 clock_gettime(CLOCK_REALTIME, &now);
3065 if (stop == TM_START)
3066 tmstart = now;
3067 else
3068 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
3069 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
3070# else
3071 now = tickGet();
3072 if (stop == TM_START)
3073 tmstart = now;
3074 else
3075 ret = (now - tmstart) / (double)sysClkRateGet();
3076# endif
3077 return (ret);
3078}
3079
3080#elif defined(OPENSSL_SYSTEM_VMS)
3081# include <time.h>
3082# include <times.h>
3083
3084double app_tminterval(int stop, int usertime)
3085{
3086 static clock_t tmstart;
3087 double ret = 0;
3088 clock_t now;
3089# ifdef __TMS
3090 struct tms rus;
3091
3092 now = times(&rus);
3093 if (usertime)
3094 now = rus.tms_utime;
3095# else
3096 if (usertime)
3097 now = clock(); /* sum of user and kernel times */
3098 else {
3099 struct timeval tv;
3100 gettimeofday(&tv, NULL);
3101 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
3102 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
3103 );
3104 }
3105# endif
3106 if (stop == TM_START)
3107 tmstart = now;
3108 else
3109 ret = (now - tmstart) / (double)(CLK_TCK);
3110
3111 return (ret);
3112}
3113
3114#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
3115# include <sys/times.h>
3116
3117double app_tminterval(int stop, int usertime)
3118{
3119 double ret = 0;
3120 struct tms rus;
3121 clock_t now = times(&rus);
3122 static clock_t tmstart;
3123
3124 if (usertime)
3125 now = rus.tms_utime;
3126
3127 if (stop == TM_START)
3128 tmstart = now;
3129 else {
3130 long int tck = sysconf(_SC_CLK_TCK);
3131 ret = (now - tmstart) / (double)tck;
3132 }
3133
3134 return (ret);
3135}
3136
3137#else
3138# include <sys/time.h>
3139# include <sys/resource.h>
3140
3141double app_tminterval(int stop, int usertime)
3142{
3143 double ret = 0;
3144 struct rusage rus;
3145 struct timeval now;
3146 static struct timeval tmstart;
3147
3148 if (usertime)
3149 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
3150 else
3151 gettimeofday(&now, NULL);
3152
3153 if (stop == TM_START)
3154 tmstart = now;
3155 else
3156 ret = ((now.tv_sec + now.tv_usec * 1e-6)
3157 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
3158
3159 return ret;
3160}
3161#endif
3162
3163/* app_isdir section */
3164#ifdef _WIN32
3165int app_isdir(const char *name)
3166{
3167 HANDLE hList;
3168 WIN32_FIND_DATA FileData;
3169# if defined(UNICODE) || defined(_UNICODE)
3170 size_t i, len_0 = strlen(name) + 1;
3171
3172 if (len_0 > sizeof(FileData.cFileName) / sizeof(FileData.cFileName[0]))
3173 return -1;
3174
3175# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3176 if (!MultiByteToWideChar
3177 (CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
3178# endif
3179 for (i = 0; i < len_0; i++)
3180 FileData.cFileName[i] = (WCHAR)name[i];
3181
3182 hList = FindFirstFile(FileData.cFileName, &FileData);
3183# else
3184 hList = FindFirstFile(name, &FileData);
3185# endif
3186 if (hList == INVALID_HANDLE_VALUE)
3187 return -1;
3188 FindClose(hList);
3189 return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
3190}
3191#else
3192# include <sys/stat.h>
3193# ifndef S_ISDIR
3194# if defined(_S_IFMT) && defined(_S_IFDIR)
3195# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
3196# else
3197# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
3198# endif
3199# endif
3200
3201int app_isdir(const char *name)
3202{
3203# if defined(S_ISDIR)
3204 struct stat st;
3205
3206 if (stat(name, &st) == 0)
3207 return S_ISDIR(st.st_mode);
3208 else
3209 return -1;
3210# else
3211 return -1;
3212# endif
3213}
3214#endif
3215
3216/* raw_read|write section */
3217#if defined(__VMS)
3218# include "vms_term_sock.h"
3219static int stdin_sock = -1;
3220
3221static void close_stdin_sock(void)
3222{
3223 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
3224}
3225
3226int fileno_stdin(void)
3227{
3228 if (stdin_sock == -1) {
3229 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
3230 atexit(close_stdin_sock);
3231 }
3232
3233 return stdin_sock;
3234}
3235#else
3236int fileno_stdin(void)
3237{
3238 return fileno(stdin);
3239}
3240#endif
3241
3242int fileno_stdout(void)
3243{
3244 return fileno(stdout);
3245}
3246
3247#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3248int raw_read_stdin(void *buf, int siz)
3249{
3250 DWORD n;
3251 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
3252 return (n);
3253 else
3254 return (-1);
3255}
3256#elif defined(__VMS)
3257#include <sys/socket.h>
3258
3259int raw_read_stdin(void *buf, int siz)
3260{
3261 return recv(fileno_stdin(), buf, siz, 0);
3262}
3263#else
3264int raw_read_stdin(void *buf, int siz)
3265{
3266 return read(fileno_stdin(), buf, siz);
3267}
3268#endif
3269
3270#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3271int raw_write_stdout(const void *buf, int siz)
3272{
3273 DWORD n;
3274 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
3275 return (n);
3276 else
3277 return (-1);
3278}
3279#else
3280int raw_write_stdout(const void *buf, int siz)
3281{
3282 return write(fileno_stdout(), buf, siz);
3283}
3284#endif