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OpenSSL: update to 1.0.2c
[tomato.git] / release / src / router / openssl / apps / apps.c
blob7478fc379a55da980112bbcb17da402f7cdb22e8
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 #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 #if !defined(OPENSSL_SYSNAME_WIN32) && !defined(OPENSSL_SYSNAME_WINCE) && !defined(NETWARE_CLIB)
123 # include <strings.h>
124 #endif
125 #include <sys/types.h>
126 #include <ctype.h>
127 #include <errno.h>
128 #include <assert.h>
129 #include <openssl/err.h>
130 #include <openssl/x509.h>
131 #include <openssl/x509v3.h>
132 #include <openssl/pem.h>
133 #include <openssl/pkcs12.h>
134 #include <openssl/ui.h>
135 #include <openssl/safestack.h>
136 #ifndef OPENSSL_NO_ENGINE
137 # include <openssl/engine.h>
138 #endif
139 #ifndef OPENSSL_NO_RSA
140 # include <openssl/rsa.h>
141 #endif
142 #include <openssl/bn.h>
143 #ifndef OPENSSL_NO_JPAKE
144 # include <openssl/jpake.h>
145 #endif
146
147 #define NON_MAIN
148 #include "apps.h"
149 #undef NON_MAIN
150
151 #ifdef _WIN32
152 static int WIN32_rename(const char *from, const char *to);
153 # define rename(from,to) WIN32_rename((from),(to))
154 #endif
155
156 typedef struct {
157 const char *name;
158 unsigned long flag;
159 unsigned long mask;
160 } NAME_EX_TBL;
161
162 static UI_METHOD *ui_method = NULL;
163
164 static int set_table_opts(unsigned long *flags, const char *arg,
165 const NAME_EX_TBL * in_tbl);
166 static int set_multi_opts(unsigned long *flags, const char *arg,
167 const NAME_EX_TBL * in_tbl);
168
169 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
170 /* Looks like this stuff is worth moving into separate function */
171 static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
172 const char *key_descrip, int format);
173 #endif
174
175 int app_init(long mesgwin);
176 #ifdef undef /* never finished - probably never will be
177 * :-) */
178 int args_from_file(char *file, int *argc, char **argv[])
179 {
180 FILE *fp;
181 int num, i;
182 unsigned int len;
183 static char *buf = NULL;
184 static char **arg = NULL;
185 char *p;
186
187 fp = fopen(file, "r");
188 if (fp == NULL)
189 return (0);
190
191 if (fseek(fp, 0, SEEK_END) == 0)
192 len = ftell(fp), rewind(fp);
193 else
194 len = -1;
195 if (len <= 0) {
196 fclose(fp);
197 return (0);
198 }
199
200 *argc = 0;
201 *argv = NULL;
202
203 if (buf != NULL)
204 OPENSSL_free(buf);
205 buf = (char *)OPENSSL_malloc(len + 1);
206 if (buf == NULL)
207 return (0);
208
209 len = fread(buf, 1, len, fp);
210 if (len <= 1)
211 return (0);
212 buf[len] = '\0';
213
214 i = 0;
215 for (p = buf; *p; p++)
216 if (*p == '\n')
217 i++;
218 if (arg != NULL)
219 OPENSSL_free(arg);
220 arg = (char **)OPENSSL_malloc(sizeof(char *) * (i * 2));
221
222 *argv = arg;
223 num = 0;
224 p = buf;
225 for (;;) {
226 if (!*p)
227 break;
228 if (*p == '#') { /* comment line */
229 while (*p && (*p != '\n'))
230 p++;
231 continue;
232 }
233 /* else we have a line */
234 *(arg++) = p;
235 num++;
236 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
237 p++;
238 if (!*p)
239 break;
240 if (*p == '\n') {
241 *(p++) = '\0';
242 continue;
243 }
244 /* else it is a tab or space */
245 p++;
246 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
247 p++;
248 if (!*p)
249 break;
250 if (*p == '\n') {
251 p++;
252 continue;
253 }
254 *(arg++) = p++;
255 num++;
256 while (*p && (*p != '\n'))
257 p++;
258 if (!*p)
259 break;
260 /* else *p == '\n' */
261 *(p++) = '\0';
262 }
263 *argc = num;
264 return (1);
265 }
266 #endif
267
268 int str2fmt(char *s)
269 {
270 if (s == NULL)
271 return FORMAT_UNDEF;
272 if ((*s == 'D') || (*s == 'd'))
273 return (FORMAT_ASN1);
274 else if ((*s == 'T') || (*s == 't'))
275 return (FORMAT_TEXT);
276 else if ((*s == 'N') || (*s == 'n'))
277 return (FORMAT_NETSCAPE);
278 else if ((*s == 'S') || (*s == 's'))
279 return (FORMAT_SMIME);
280 else if ((*s == 'M') || (*s == 'm'))
281 return (FORMAT_MSBLOB);
282 else if ((*s == '1')
283 || (strcmp(s, "PKCS12") == 0) || (strcmp(s, "pkcs12") == 0)
284 || (strcmp(s, "P12") == 0) || (strcmp(s, "p12") == 0))
285 return (FORMAT_PKCS12);
286 else if ((*s == 'E') || (*s == 'e'))
287 return (FORMAT_ENGINE);
288 else if ((*s == 'H') || (*s == 'h'))
289 return FORMAT_HTTP;
290 else if ((*s == 'P') || (*s == 'p')) {
291 if (s[1] == 'V' || s[1] == 'v')
292 return FORMAT_PVK;
293 else
294 return (FORMAT_PEM);
295 } else
296 return (FORMAT_UNDEF);
297 }
298
299 #if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) || defined(OPENSSL_SYS_NETWARE)
300 void program_name(char *in, char *out, int size)
301 {
302 int i, n;
303 char *p = NULL;
304
305 n = strlen(in);
306 /* find the last '/', '\' or ':' */
307 for (i = n - 1; i > 0; i--) {
308 if ((in[i] == '/') || (in[i] == '\\') || (in[i] == ':')) {
309 p = &(in[i + 1]);
310 break;
311 }
312 }
313 if (p == NULL)
314 p = in;
315 n = strlen(p);
316
317 # if defined(OPENSSL_SYS_NETWARE)
318 /* strip off trailing .nlm if present. */
319 if ((n > 4) && (p[n - 4] == '.') &&
320 ((p[n - 3] == 'n') || (p[n - 3] == 'N')) &&
321 ((p[n - 2] == 'l') || (p[n - 2] == 'L')) &&
322 ((p[n - 1] == 'm') || (p[n - 1] == 'M')))
323 n -= 4;
324 # else
325 /* strip off trailing .exe if present. */
326 if ((n > 4) && (p[n - 4] == '.') &&
327 ((p[n - 3] == 'e') || (p[n - 3] == 'E')) &&
328 ((p[n - 2] == 'x') || (p[n - 2] == 'X')) &&
329 ((p[n - 1] == 'e') || (p[n - 1] == 'E')))
330 n -= 4;
331 # endif
332
333 if (n > size - 1)
334 n = size - 1;
335
336 for (i = 0; i < n; i++) {
337 if ((p[i] >= 'A') && (p[i] <= 'Z'))
338 out[i] = p[i] - 'A' + 'a';
339 else
340 out[i] = p[i];
341 }
342 out[n] = '\0';
343 }
344 #else
345 # ifdef OPENSSL_SYS_VMS
346 void program_name(char *in, char *out, int size)
347 {
348 char *p = in, *q;
349 char *chars = ":]>";
350
351 while (*chars != '\0') {
352 q = strrchr(p, *chars);
353 if (q > p)
354 p = q + 1;
355 chars++;
356 }
357
358 q = strrchr(p, '.');
359 if (q == NULL)
360 q = p + strlen(p);
361 strncpy(out, p, size - 1);
362 if (q - p >= size) {
363 out[size - 1] = '\0';
364 } else {
365 out[q - p] = '\0';
366 }
367 }
368 # else
369 void program_name(char *in, char *out, int size)
370 {
371 char *p;
372
373 p = strrchr(in, '/');
374 if (p != NULL)
375 p++;
376 else
377 p = in;
378 BUF_strlcpy(out, p, size);
379 }
380 # endif
381 #endif
382
383 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
384 {
385 int num, i;
386 char *p;
387
388 *argc = 0;
389 *argv = NULL;
390
391 i = 0;
392 if (arg->count == 0) {
393 arg->count = 20;
394 arg->data = (char **)OPENSSL_malloc(sizeof(char *) * arg->count);
395 if (arg->data == NULL)
396 return 0;
397 }
398 for (i = 0; i < arg->count; i++)
399 arg->data[i] = NULL;
400
401 num = 0;
402 p = buf;
403 for (;;) {
404 /* first scan over white space */
405 if (!*p)
406 break;
407 while (*p && ((*p == ' ') || (*p == '\t') || (*p == '\n')))
408 p++;
409 if (!*p)
410 break;
411
412 /* The start of something good :-) */
413 if (num >= arg->count) {
414 char **tmp_p;
415 int tlen = arg->count + 20;
416 tmp_p = (char **)OPENSSL_realloc(arg->data,
417 sizeof(char *) * tlen);
418 if (tmp_p == NULL)
419 return 0;
420 arg->data = tmp_p;
421 arg->count = tlen;
422 /* initialize newly allocated data */
423 for (i = num; i < arg->count; i++)
424 arg->data[i] = NULL;
425 }
426 arg->data[num++] = p;
427
428 /* now look for the end of this */
429 if ((*p == '\'') || (*p == '\"')) { /* scan for closing quote */
430 i = *(p++);
431 arg->data[num - 1]++; /* jump over quote */
432 while (*p && (*p != i))
433 p++;
434 *p = '\0';
435 } else {
436 while (*p && ((*p != ' ') && (*p != '\t') && (*p != '\n')))
437 p++;
438
439 if (*p == '\0')
440 p--;
441 else
442 *p = '\0';
443 }
444 p++;
445 }
446 *argc = num;
447 *argv = arg->data;
448 return (1);
449 }
450
451 #ifndef APP_INIT
452 int app_init(long mesgwin)
453 {
454 return (1);
455 }
456 #endif
457
458 int dump_cert_text(BIO *out, X509 *x)
459 {
460 char *p;
461
462 p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
463 BIO_puts(out, "subject=");
464 BIO_puts(out, p);
465 OPENSSL_free(p);
466
467 p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
468 BIO_puts(out, "\nissuer=");
469 BIO_puts(out, p);
470 BIO_puts(out, "\n");
471 OPENSSL_free(p);
472
473 return 0;
474 }
475
476 static int ui_open(UI *ui)
477 {
478 return UI_method_get_opener(UI_OpenSSL())(ui);
479 }
480
481 static int ui_read(UI *ui, UI_STRING *uis)
482 {
483 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
484 && UI_get0_user_data(ui)) {
485 switch (UI_get_string_type(uis)) {
486 case UIT_PROMPT:
487 case UIT_VERIFY:
488 {
489 const char *password =
490 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
491 if (password && password[0] != '\0') {
492 UI_set_result(ui, uis, password);
493 return 1;
494 }
495 }
496 default:
497 break;
498 }
499 }
500 return UI_method_get_reader(UI_OpenSSL())(ui, uis);
501 }
502
503 static int ui_write(UI *ui, UI_STRING *uis)
504 {
505 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
506 && UI_get0_user_data(ui)) {
507 switch (UI_get_string_type(uis)) {
508 case UIT_PROMPT:
509 case UIT_VERIFY:
510 {
511 const char *password =
512 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
513 if (password && password[0] != '\0')
514 return 1;
515 }
516 default:
517 break;
518 }
519 }
520 return UI_method_get_writer(UI_OpenSSL())(ui, uis);
521 }
522
523 static int ui_close(UI *ui)
524 {
525 return UI_method_get_closer(UI_OpenSSL())(ui);
526 }
527
528 int setup_ui_method(void)
529 {
530 ui_method = UI_create_method("OpenSSL application user interface");
531 UI_method_set_opener(ui_method, ui_open);
532 UI_method_set_reader(ui_method, ui_read);
533 UI_method_set_writer(ui_method, ui_write);
534 UI_method_set_closer(ui_method, ui_close);
535 return 0;
536 }
537
538 void destroy_ui_method(void)
539 {
540 if (ui_method) {
541 UI_destroy_method(ui_method);
542 ui_method = NULL;
543 }
544 }
545
546 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
547 {
548 UI *ui = NULL;
549 int res = 0;
550 const char *prompt_info = NULL;
551 const char *password = NULL;
552 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
553
554 if (cb_data) {
555 if (cb_data->password)
556 password = cb_data->password;
557 if (cb_data->prompt_info)
558 prompt_info = cb_data->prompt_info;
559 }
560
561 if (password) {
562 res = strlen(password);
563 if (res > bufsiz)
564 res = bufsiz;
565 memcpy(buf, password, res);
566 return res;
567 }
568
569 ui = UI_new_method(ui_method);
570 if (ui) {
571 int ok = 0;
572 char *buff = NULL;
573 int ui_flags = 0;
574 char *prompt = NULL;
575
576 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
577 if (!prompt) {
578 BIO_printf(bio_err, "Out of memory\n");
579 UI_free(ui);
580 return 0;
581 }
582
583 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
584 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
585
586 if (ok >= 0)
587 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
588 PW_MIN_LENGTH, bufsiz - 1);
589 if (ok >= 0 && verify) {
590 buff = (char *)OPENSSL_malloc(bufsiz);
591 if (!buff) {
592 BIO_printf(bio_err, "Out of memory\n");
593 UI_free(ui);
594 OPENSSL_free(prompt);
595 return 0;
596 }
597 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
598 PW_MIN_LENGTH, bufsiz - 1, buf);
599 }
600 if (ok >= 0)
601 do {
602 ok = UI_process(ui);
603 }
604 while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
605
606 if (buff) {
607 OPENSSL_cleanse(buff, (unsigned int)bufsiz);
608 OPENSSL_free(buff);
609 }
610
611 if (ok >= 0)
612 res = strlen(buf);
613 if (ok == -1) {
614 BIO_printf(bio_err, "User interface error\n");
615 ERR_print_errors(bio_err);
616 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
617 res = 0;
618 }
619 if (ok == -2) {
620 BIO_printf(bio_err, "aborted!\n");
621 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
622 res = 0;
623 }
624 UI_free(ui);
625 OPENSSL_free(prompt);
626 }
627 return res;
628 }
629
630 static char *app_get_pass(BIO *err, char *arg, int keepbio);
631
632 int app_passwd(BIO *err, char *arg1, char *arg2, char **pass1, char **pass2)
633 {
634 int same;
635 if (!arg2 || !arg1 || strcmp(arg1, arg2))
636 same = 0;
637 else
638 same = 1;
639 if (arg1) {
640 *pass1 = app_get_pass(err, arg1, same);
641 if (!*pass1)
642 return 0;
643 } else if (pass1)
644 *pass1 = NULL;
645 if (arg2) {
646 *pass2 = app_get_pass(err, arg2, same ? 2 : 0);
647 if (!*pass2)
648 return 0;
649 } else if (pass2)
650 *pass2 = NULL;
651 return 1;
652 }
653
654 static char *app_get_pass(BIO *err, char *arg, int keepbio)
655 {
656 char *tmp, tpass[APP_PASS_LEN];
657 static BIO *pwdbio = NULL;
658 int i;
659 if (!strncmp(arg, "pass:", 5))
660 return BUF_strdup(arg + 5);
661 if (!strncmp(arg, "env:", 4)) {
662 tmp = getenv(arg + 4);
663 if (!tmp) {
664 BIO_printf(err, "Can't read environment variable %s\n", arg + 4);
665 return NULL;
666 }
667 return BUF_strdup(tmp);
668 }
669 if (!keepbio || !pwdbio) {
670 if (!strncmp(arg, "file:", 5)) {
671 pwdbio = BIO_new_file(arg + 5, "r");
672 if (!pwdbio) {
673 BIO_printf(err, "Can't open file %s\n", arg + 5);
674 return NULL;
675 }
676 #if !defined(_WIN32)
677 /*
678 * Under _WIN32, which covers even Win64 and CE, file
679 * descriptors referenced by BIO_s_fd are not inherited
680 * by child process and therefore below is not an option.
681 * It could have been an option if bss_fd.c was operating
682 * on real Windows descriptors, such as those obtained
683 * with CreateFile.
684 */
685 } else if (!strncmp(arg, "fd:", 3)) {
686 BIO *btmp;
687 i = atoi(arg + 3);
688 if (i >= 0)
689 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
690 if ((i < 0) || !pwdbio) {
691 BIO_printf(err, "Can't access file descriptor %s\n", arg + 3);
692 return NULL;
693 }
694 /*
695 * Can't do BIO_gets on an fd BIO so add a buffering BIO
696 */
697 btmp = BIO_new(BIO_f_buffer());
698 pwdbio = BIO_push(btmp, pwdbio);
699 #endif
700 } else if (!strcmp(arg, "stdin")) {
701 pwdbio = BIO_new_fp(stdin, BIO_NOCLOSE);
702 if (!pwdbio) {
703 BIO_printf(err, "Can't open BIO for stdin\n");
704 return NULL;
705 }
706 } else {
707 BIO_printf(err, "Invalid password argument \"%s\"\n", arg);
708 return NULL;
709 }
710 }
711 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
712 if (keepbio != 1) {
713 BIO_free_all(pwdbio);
714 pwdbio = NULL;
715 }
716 if (i <= 0) {
717 BIO_printf(err, "Error reading password from BIO\n");
718 return NULL;
719 }
720 tmp = strchr(tpass, '\n');
721 if (tmp)
722 *tmp = 0;
723 return BUF_strdup(tpass);
724 }
725
726 int add_oid_section(BIO *err, CONF *conf)
727 {
728 char *p;
729 STACK_OF(CONF_VALUE) *sktmp;
730 CONF_VALUE *cnf;
731 int i;
732 if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
733 ERR_clear_error();
734 return 1;
735 }
736 if (!(sktmp = NCONF_get_section(conf, p))) {
737 BIO_printf(err, "problem loading oid section %s\n", p);
738 return 0;
739 }
740 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
741 cnf = sk_CONF_VALUE_value(sktmp, i);
742 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
743 BIO_printf(err, "problem creating object %s=%s\n",
744 cnf->name, cnf->value);
745 return 0;
746 }
747 }
748 return 1;
749 }
750
751 static int load_pkcs12(BIO *err, BIO *in, const char *desc,
752 pem_password_cb *pem_cb, void *cb_data,
753 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
754 {
755 const char *pass;
756 char tpass[PEM_BUFSIZE];
757 int len, ret = 0;
758 PKCS12 *p12;
759 p12 = d2i_PKCS12_bio(in, NULL);
760 if (p12 == NULL) {
761 BIO_printf(err, "Error loading PKCS12 file for %s\n", desc);
762 goto die;
763 }
764 /* See if an empty password will do */
765 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
766 pass = "";
767 else {
768 if (!pem_cb)
769 pem_cb = (pem_password_cb *)password_callback;
770 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
771 if (len < 0) {
772 BIO_printf(err, "Passpharse callback error for %s\n", desc);
773 goto die;
774 }
775 if (len < PEM_BUFSIZE)
776 tpass[len] = 0;
777 if (!PKCS12_verify_mac(p12, tpass, len)) {
778 BIO_printf(err,
779 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
780 desc);
781 goto die;
782 }
783 pass = tpass;
784 }
785 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
786 die:
787 if (p12)
788 PKCS12_free(p12);
789 return ret;
790 }
791
792 int load_cert_crl_http(const char *url, BIO *err,
793 X509 **pcert, X509_CRL **pcrl)
794 {
795 char *host = NULL, *port = NULL, *path = NULL;
796 BIO *bio = NULL;
797 OCSP_REQ_CTX *rctx = NULL;
798 int use_ssl, rv = 0;
799 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
800 goto err;
801 if (use_ssl) {
802 if (err)
803 BIO_puts(err, "https not supported\n");
804 goto err;
805 }
806 bio = BIO_new_connect(host);
807 if (!bio || !BIO_set_conn_port(bio, port))
808 goto err;
809 rctx = OCSP_REQ_CTX_new(bio, 1024);
810 if (!rctx)
811 goto err;
812 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
813 goto err;
814 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
815 goto err;
816 if (pcert) {
817 do {
818 rv = X509_http_nbio(rctx, pcert);
819 }
820 while (rv == -1);
821 } else {
822 do {
823 rv = X509_CRL_http_nbio(rctx, pcrl);
824 } while (rv == -1);
825 }
826
827 err:
828 if (host)
829 OPENSSL_free(host);
830 if (path)
831 OPENSSL_free(path);
832 if (port)
833 OPENSSL_free(port);
834 if (bio)
835 BIO_free_all(bio);
836 if (rctx)
837 OCSP_REQ_CTX_free(rctx);
838 if (rv != 1) {
839 if (bio && err)
840 BIO_printf(bio_err, "Error loading %s from %s\n",
841 pcert ? "certificate" : "CRL", url);
842 ERR_print_errors(bio_err);
843 }
844 return rv;
845 }
846
847 X509 *load_cert(BIO *err, const char *file, int format,
848 const char *pass, ENGINE *e, const char *cert_descrip)
849 {
850 X509 *x = NULL;
851 BIO *cert;
852
853 if (format == FORMAT_HTTP) {
854 load_cert_crl_http(file, err, &x, NULL);
855 return x;
856 }
857
858 if ((cert = BIO_new(BIO_s_file())) == NULL) {
859 ERR_print_errors(err);
860 goto end;
861 }
862
863 if (file == NULL) {
864 #ifdef _IONBF
865 # ifndef OPENSSL_NO_SETVBUF_IONBF
866 setvbuf(stdin, NULL, _IONBF, 0);
867 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
868 #endif
869 BIO_set_fp(cert, stdin, BIO_NOCLOSE);
870 } else {
871 if (BIO_read_filename(cert, file) <= 0) {
872 BIO_printf(err, "Error opening %s %s\n", cert_descrip, file);
873 ERR_print_errors(err);
874 goto end;
875 }
876 }
877
878 if (format == FORMAT_ASN1)
879 x = d2i_X509_bio(cert, NULL);
880 else if (format == FORMAT_NETSCAPE) {
881 NETSCAPE_X509 *nx;
882 nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509), cert, NULL);
883 if (nx == NULL)
884 goto end;
885
886 if ((strncmp(NETSCAPE_CERT_HDR, (char *)nx->header->data,
887 nx->header->length) != 0)) {
888 NETSCAPE_X509_free(nx);
889 BIO_printf(err, "Error reading header on certificate\n");
890 goto end;
891 }
892 x = nx->cert;
893 nx->cert = NULL;
894 NETSCAPE_X509_free(nx);
895 } else if (format == FORMAT_PEM)
896 x = PEM_read_bio_X509_AUX(cert, NULL,
897 (pem_password_cb *)password_callback, NULL);
898 else if (format == FORMAT_PKCS12) {
899 if (!load_pkcs12(err, cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
900 goto end;
901 } else {
902 BIO_printf(err, "bad input format specified for %s\n", cert_descrip);
903 goto end;
904 }
905 end:
906 if (x == NULL) {
907 BIO_printf(err, "unable to load certificate\n");
908 ERR_print_errors(err);
909 }
910 if (cert != NULL)
911 BIO_free(cert);
912 return (x);
913 }
914
915 X509_CRL *load_crl(const char *infile, int format)
916 {
917 X509_CRL *x = NULL;
918 BIO *in = NULL;
919
920 if (format == FORMAT_HTTP) {
921 load_cert_crl_http(infile, bio_err, NULL, &x);
922 return x;
923 }
924
925 in = BIO_new(BIO_s_file());
926 if (in == NULL) {
927 ERR_print_errors(bio_err);
928 goto end;
929 }
930
931 if (infile == NULL)
932 BIO_set_fp(in, stdin, BIO_NOCLOSE);
933 else {
934 if (BIO_read_filename(in, infile) <= 0) {
935 perror(infile);
936 goto end;
937 }
938 }
939 if (format == FORMAT_ASN1)
940 x = d2i_X509_CRL_bio(in, NULL);
941 else if (format == FORMAT_PEM)
942 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
943 else {
944 BIO_printf(bio_err, "bad input format specified for input crl\n");
945 goto end;
946 }
947 if (x == NULL) {
948 BIO_printf(bio_err, "unable to load CRL\n");
949 ERR_print_errors(bio_err);
950 goto end;
951 }
952
953 end:
954 BIO_free(in);
955 return (x);
956 }
957
958 EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,
959 const char *pass, ENGINE *e, const char *key_descrip)
960 {
961 BIO *key = NULL;
962 EVP_PKEY *pkey = NULL;
963 PW_CB_DATA cb_data;
964
965 cb_data.password = pass;
966 cb_data.prompt_info = file;
967
968 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
969 BIO_printf(err, "no keyfile specified\n");
970 goto end;
971 }
972 #ifndef OPENSSL_NO_ENGINE
973 if (format == FORMAT_ENGINE) {
974 if (!e)
975 BIO_printf(err, "no engine specified\n");
976 else {
977 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
978 if (!pkey) {
979 BIO_printf(err, "cannot load %s from engine\n", key_descrip);
980 ERR_print_errors(err);
981 }
982 }
983 goto end;
984 }
985 #endif
986 key = BIO_new(BIO_s_file());
987 if (key == NULL) {
988 ERR_print_errors(err);
989 goto end;
990 }
991 if (file == NULL && maybe_stdin) {
992 #ifdef _IONBF
993 # ifndef OPENSSL_NO_SETVBUF_IONBF
994 setvbuf(stdin, NULL, _IONBF, 0);
995 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
996 #endif
997 BIO_set_fp(key, stdin, BIO_NOCLOSE);
998 } else if (BIO_read_filename(key, file) <= 0) {
999 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
1000 ERR_print_errors(err);
1001 goto end;
1002 }
1003 if (format == FORMAT_ASN1) {
1004 pkey = d2i_PrivateKey_bio(key, NULL);
1005 } else if (format == FORMAT_PEM) {
1006 pkey = PEM_read_bio_PrivateKey(key, NULL,
1007 (pem_password_cb *)password_callback,
1008 &cb_data);
1009 }
1010 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1011 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1012 pkey = load_netscape_key(err, key, file, key_descrip, format);
1013 #endif
1014 else if (format == FORMAT_PKCS12) {
1015 if (!load_pkcs12(err, key, key_descrip,
1016 (pem_password_cb *)password_callback, &cb_data,
1017 &pkey, NULL, NULL))
1018 goto end;
1019 }
1020 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
1021 else if (format == FORMAT_MSBLOB)
1022 pkey = b2i_PrivateKey_bio(key);
1023 else if (format == FORMAT_PVK)
1024 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
1025 &cb_data);
1026 #endif
1027 else {
1028 BIO_printf(err, "bad input format specified for key file\n");
1029 goto end;
1030 }
1031 end:
1032 if (key != NULL)
1033 BIO_free(key);
1034 if (pkey == NULL) {
1035 BIO_printf(err, "unable to load %s\n", key_descrip);
1036 ERR_print_errors(err);
1037 }
1038 return (pkey);
1039 }
1040
1041 EVP_PKEY *load_pubkey(BIO *err, const char *file, int format, int maybe_stdin,
1042 const char *pass, ENGINE *e, const char *key_descrip)
1043 {
1044 BIO *key = NULL;
1045 EVP_PKEY *pkey = NULL;
1046 PW_CB_DATA cb_data;
1047
1048 cb_data.password = pass;
1049 cb_data.prompt_info = file;
1050
1051 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
1052 BIO_printf(err, "no keyfile specified\n");
1053 goto end;
1054 }
1055 #ifndef OPENSSL_NO_ENGINE
1056 if (format == FORMAT_ENGINE) {
1057 if (!e)
1058 BIO_printf(bio_err, "no engine specified\n");
1059 else
1060 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
1061 goto end;
1062 }
1063 #endif
1064 key = BIO_new(BIO_s_file());
1065 if (key == NULL) {
1066 ERR_print_errors(err);
1067 goto end;
1068 }
1069 if (file == NULL && maybe_stdin) {
1070 #ifdef _IONBF
1071 # ifndef OPENSSL_NO_SETVBUF_IONBF
1072 setvbuf(stdin, NULL, _IONBF, 0);
1073 # endif /* ndef OPENSSL_NO_SETVBUF_IONBF */
1074 #endif
1075 BIO_set_fp(key, stdin, BIO_NOCLOSE);
1076 } else if (BIO_read_filename(key, file) <= 0) {
1077 BIO_printf(err, "Error opening %s %s\n", key_descrip, file);
1078 ERR_print_errors(err);
1079 goto end;
1080 }
1081 if (format == FORMAT_ASN1) {
1082 pkey = d2i_PUBKEY_bio(key, NULL);
1083 }
1084 #ifndef OPENSSL_NO_RSA
1085 else if (format == FORMAT_ASN1RSA) {
1086 RSA *rsa;
1087 rsa = d2i_RSAPublicKey_bio(key, NULL);
1088 if (rsa) {
1089 pkey = EVP_PKEY_new();
1090 if (pkey)
1091 EVP_PKEY_set1_RSA(pkey, rsa);
1092 RSA_free(rsa);
1093 } else
1094 pkey = NULL;
1095 } else if (format == FORMAT_PEMRSA) {
1096 RSA *rsa;
1097 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
1098 (pem_password_cb *)password_callback,
1099 &cb_data);
1100 if (rsa) {
1101 pkey = EVP_PKEY_new();
1102 if (pkey)
1103 EVP_PKEY_set1_RSA(pkey, rsa);
1104 RSA_free(rsa);
1105 } else
1106 pkey = NULL;
1107 }
1108 #endif
1109 else if (format == FORMAT_PEM) {
1110 pkey = PEM_read_bio_PUBKEY(key, NULL,
1111 (pem_password_cb *)password_callback,
1112 &cb_data);
1113 }
1114 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1115 else if (format == FORMAT_NETSCAPE || format == FORMAT_IISSGC)
1116 pkey = load_netscape_key(err, key, file, key_descrip, format);
1117 #endif
1118 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
1119 else if (format == FORMAT_MSBLOB)
1120 pkey = b2i_PublicKey_bio(key);
1121 #endif
1122 else {
1123 BIO_printf(err, "bad input format specified for key file\n");
1124 goto end;
1125 }
1126 end:
1127 if (key != NULL)
1128 BIO_free(key);
1129 if (pkey == NULL)
1130 BIO_printf(err, "unable to load %s\n", key_descrip);
1131 return (pkey);
1132 }
1133
1134 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
1135 static EVP_PKEY *load_netscape_key(BIO *err, BIO *key, const char *file,
1136 const char *key_descrip, int format)
1137 {
1138 EVP_PKEY *pkey;
1139 BUF_MEM *buf;
1140 RSA *rsa;
1141 const unsigned char *p;
1142 int size, i;
1143
1144 buf = BUF_MEM_new();
1145 pkey = EVP_PKEY_new();
1146 size = 0;
1147 if (buf == NULL || pkey == NULL)
1148 goto error;
1149 for (;;) {
1150 if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
1151 goto error;
1152 i = BIO_read(key, &(buf->data[size]), 1024 * 10);
1153 size += i;
1154 if (i == 0)
1155 break;
1156 if (i < 0) {
1157 BIO_printf(err, "Error reading %s %s", key_descrip, file);
1158 goto error;
1159 }
1160 }
1161 p = (unsigned char *)buf->data;
1162 rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL,
1163 (format == FORMAT_IISSGC ? 1 : 0));
1164 if (rsa == NULL)
1165 goto error;
1166 BUF_MEM_free(buf);
1167 EVP_PKEY_set1_RSA(pkey, rsa);
1168 return pkey;
1169 error:
1170 BUF_MEM_free(buf);
1171 EVP_PKEY_free(pkey);
1172 return NULL;
1173 }
1174 #endif /* ndef OPENSSL_NO_RC4 */
1175
1176 static int load_certs_crls(BIO *err, const char *file, int format,
1177 const char *pass, ENGINE *e, const char *desc,
1178 STACK_OF(X509) **pcerts,
1179 STACK_OF(X509_CRL) **pcrls)
1180 {
1181 int i;
1182 BIO *bio;
1183 STACK_OF(X509_INFO) *xis = NULL;
1184 X509_INFO *xi;
1185 PW_CB_DATA cb_data;
1186 int rv = 0;
1187
1188 cb_data.password = pass;
1189 cb_data.prompt_info = file;
1190
1191 if (format != FORMAT_PEM) {
1192 BIO_printf(err, "bad input format specified for %s\n", desc);
1193 return 0;
1194 }
1195
1196 if (file == NULL)
1197 bio = BIO_new_fp(stdin, BIO_NOCLOSE);
1198 else
1199 bio = BIO_new_file(file, "r");
1200
1201 if (bio == NULL) {
1202 BIO_printf(err, "Error opening %s %s\n", desc, file ? file : "stdin");
1203 ERR_print_errors(err);
1204 return 0;
1205 }
1206
1207 xis = PEM_X509_INFO_read_bio(bio, NULL,
1208 (pem_password_cb *)password_callback,
1209 &cb_data);
1210
1211 BIO_free(bio);
1212
1213 if (pcerts) {
1214 *pcerts = sk_X509_new_null();
1215 if (!*pcerts)
1216 goto end;
1217 }
1218
1219 if (pcrls) {
1220 *pcrls = sk_X509_CRL_new_null();
1221 if (!*pcrls)
1222 goto end;
1223 }
1224
1225 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
1226 xi = sk_X509_INFO_value(xis, i);
1227 if (xi->x509 && pcerts) {
1228 if (!sk_X509_push(*pcerts, xi->x509))
1229 goto end;
1230 xi->x509 = NULL;
1231 }
1232 if (xi->crl && pcrls) {
1233 if (!sk_X509_CRL_push(*pcrls, xi->crl))
1234 goto end;
1235 xi->crl = NULL;
1236 }
1237 }
1238
1239 if (pcerts && sk_X509_num(*pcerts) > 0)
1240 rv = 1;
1241
1242 if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
1243 rv = 1;
1244
1245 end:
1246
1247 if (xis)
1248 sk_X509_INFO_pop_free(xis, X509_INFO_free);
1249
1250 if (rv == 0) {
1251 if (pcerts) {
1252 sk_X509_pop_free(*pcerts, X509_free);
1253 *pcerts = NULL;
1254 }
1255 if (pcrls) {
1256 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
1257 *pcrls = NULL;
1258 }
1259 BIO_printf(err, "unable to load %s\n",
1260 pcerts ? "certificates" : "CRLs");
1261 ERR_print_errors(err);
1262 }
1263 return rv;
1264 }
1265
1266 STACK_OF(X509) *load_certs(BIO *err, const char *file, int format,
1267 const char *pass, ENGINE *e, const char *desc)
1268 {
1269 STACK_OF(X509) *certs;
1270 if (!load_certs_crls(err, file, format, pass, e, desc, &certs, NULL))
1271 return NULL;
1272 return certs;
1273 }
1274
1275 STACK_OF(X509_CRL) *load_crls(BIO *err, const char *file, int format,
1276 const char *pass, ENGINE *e, const char *desc)
1277 {
1278 STACK_OF(X509_CRL) *crls;
1279 if (!load_certs_crls(err, file, format, pass, e, desc, NULL, &crls))
1280 return NULL;
1281 return crls;
1282 }
1283
1284 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1285 /* Return error for unknown extensions */
1286 #define X509V3_EXT_DEFAULT 0
1287 /* Print error for unknown extensions */
1288 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1289 /* ASN1 parse unknown extensions */
1290 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1291 /* BIO_dump unknown extensions */
1292 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1293
1294 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1295 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1296
1297 int set_cert_ex(unsigned long *flags, const char *arg)
1298 {
1299 static const NAME_EX_TBL cert_tbl[] = {
1300 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1301 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1302 {"no_header", X509_FLAG_NO_HEADER, 0},
1303 {"no_version", X509_FLAG_NO_VERSION, 0},
1304 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1305 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1306 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1307 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1308 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1309 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1310 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1311 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1312 {"no_aux", X509_FLAG_NO_AUX, 0},
1313 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1314 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1315 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1316 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1317 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1318 {NULL, 0, 0}
1319 };
1320 return set_multi_opts(flags, arg, cert_tbl);
1321 }
1322
1323 int set_name_ex(unsigned long *flags, const char *arg)
1324 {
1325 static const NAME_EX_TBL ex_tbl[] = {
1326 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1327 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1328 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1329 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1330 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1331 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1332 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1333 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1334 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1335 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1336 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1337 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1338 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1339 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1340 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1341 {"dn_rev", XN_FLAG_DN_REV, 0},
1342 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1343 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1344 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1345 {"align", XN_FLAG_FN_ALIGN, 0},
1346 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1347 {"space_eq", XN_FLAG_SPC_EQ, 0},
1348 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1349 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1350 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1351 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1352 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1353 {NULL, 0, 0}
1354 };
1355 return set_multi_opts(flags, arg, ex_tbl);
1356 }
1357
1358 int set_ext_copy(int *copy_type, const char *arg)
1359 {
1360 if (!strcasecmp(arg, "none"))
1361 *copy_type = EXT_COPY_NONE;
1362 else if (!strcasecmp(arg, "copy"))
1363 *copy_type = EXT_COPY_ADD;
1364 else if (!strcasecmp(arg, "copyall"))
1365 *copy_type = EXT_COPY_ALL;
1366 else
1367 return 0;
1368 return 1;
1369 }
1370
1371 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1372 {
1373 STACK_OF(X509_EXTENSION) *exts = NULL;
1374 X509_EXTENSION *ext, *tmpext;
1375 ASN1_OBJECT *obj;
1376 int i, idx, ret = 0;
1377 if (!x || !req || (copy_type == EXT_COPY_NONE))
1378 return 1;
1379 exts = X509_REQ_get_extensions(req);
1380
1381 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1382 ext = sk_X509_EXTENSION_value(exts, i);
1383 obj = X509_EXTENSION_get_object(ext);
1384 idx = X509_get_ext_by_OBJ(x, obj, -1);
1385 /* Does extension exist? */
1386 if (idx != -1) {
1387 /* If normal copy don't override existing extension */
1388 if (copy_type == EXT_COPY_ADD)
1389 continue;
1390 /* Delete all extensions of same type */
1391 do {
1392 tmpext = X509_get_ext(x, idx);
1393 X509_delete_ext(x, idx);
1394 X509_EXTENSION_free(tmpext);
1395 idx = X509_get_ext_by_OBJ(x, obj, -1);
1396 } while (idx != -1);
1397 }
1398 if (!X509_add_ext(x, ext, -1))
1399 goto end;
1400 }
1401
1402 ret = 1;
1403
1404 end:
1405
1406 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1407
1408 return ret;
1409 }
1410
1411 static int set_multi_opts(unsigned long *flags, const char *arg,
1412 const NAME_EX_TBL * in_tbl)
1413 {
1414 STACK_OF(CONF_VALUE) *vals;
1415 CONF_VALUE *val;
1416 int i, ret = 1;
1417 if (!arg)
1418 return 0;
1419 vals = X509V3_parse_list(arg);
1420 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1421 val = sk_CONF_VALUE_value(vals, i);
1422 if (!set_table_opts(flags, val->name, in_tbl))
1423 ret = 0;
1424 }
1425 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1426 return ret;
1427 }
1428
1429 static int set_table_opts(unsigned long *flags, const char *arg,
1430 const NAME_EX_TBL * in_tbl)
1431 {
1432 char c;
1433 const NAME_EX_TBL *ptbl;
1434 c = arg[0];
1435
1436 if (c == '-') {
1437 c = 0;
1438 arg++;
1439 } else if (c == '+') {
1440 c = 1;
1441 arg++;
1442 } else
1443 c = 1;
1444
1445 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1446 if (!strcasecmp(arg, ptbl->name)) {
1447 *flags &= ~ptbl->mask;
1448 if (c)
1449 *flags |= ptbl->flag;
1450 else
1451 *flags &= ~ptbl->flag;
1452 return 1;
1453 }
1454 }
1455 return 0;
1456 }
1457
1458 void print_name(BIO *out, const char *title, X509_NAME *nm,
1459 unsigned long lflags)
1460 {
1461 char *buf;
1462 char mline = 0;
1463 int indent = 0;
1464
1465 if (title)
1466 BIO_puts(out, title);
1467 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1468 mline = 1;
1469 indent = 4;
1470 }
1471 if (lflags == XN_FLAG_COMPAT) {
1472 buf = X509_NAME_oneline(nm, 0, 0);
1473 BIO_puts(out, buf);
1474 BIO_puts(out, "\n");
1475 OPENSSL_free(buf);
1476 } else {
1477 if (mline)
1478 BIO_puts(out, "\n");
1479 X509_NAME_print_ex(out, nm, indent, lflags);
1480 BIO_puts(out, "\n");
1481 }
1482 }
1483
1484 X509_STORE *setup_verify(BIO *bp, char *CAfile, char *CApath)
1485 {
1486 X509_STORE *store;
1487 X509_LOOKUP *lookup;
1488 if (!(store = X509_STORE_new()))
1489 goto end;
1490 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1491 if (lookup == NULL)
1492 goto end;
1493 if (CAfile) {
1494 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1495 BIO_printf(bp, "Error loading file %s\n", CAfile);
1496 goto end;
1497 }
1498 } else
1499 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1500
1501 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1502 if (lookup == NULL)
1503 goto end;
1504 if (CApath) {
1505 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1506 BIO_printf(bp, "Error loading directory %s\n", CApath);
1507 goto end;
1508 }
1509 } else
1510 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1511
1512 ERR_clear_error();
1513 return store;
1514 end:
1515 X509_STORE_free(store);
1516 return NULL;
1517 }
1518
1519 #ifndef OPENSSL_NO_ENGINE
1520 /* Try to load an engine in a shareable library */
1521 static ENGINE *try_load_engine(BIO *err, const char *engine, int debug)
1522 {
1523 ENGINE *e = ENGINE_by_id("dynamic");
1524 if (e) {
1525 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1526 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1527 ENGINE_free(e);
1528 e = NULL;
1529 }
1530 }
1531 return e;
1532 }
1533
1534 ENGINE *setup_engine(BIO *err, const char *engine, int debug)
1535 {
1536 ENGINE *e = NULL;
1537
1538 if (engine) {
1539 if (strcmp(engine, "auto") == 0) {
1540 BIO_printf(err, "enabling auto ENGINE support\n");
1541 ENGINE_register_all_complete();
1542 return NULL;
1543 }
1544 if ((e = ENGINE_by_id(engine)) == NULL
1545 && (e = try_load_engine(err, engine, debug)) == NULL) {
1546 BIO_printf(err, "invalid engine \"%s\"\n", engine);
1547 ERR_print_errors(err);
1548 return NULL;
1549 }
1550 if (debug) {
1551 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, err, 0);
1552 }
1553 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1554 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1555 BIO_printf(err, "can't use that engine\n");
1556 ERR_print_errors(err);
1557 ENGINE_free(e);
1558 return NULL;
1559 }
1560
1561 BIO_printf(err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1562
1563 /* Free our "structural" reference. */
1564 ENGINE_free(e);
1565 }
1566 return e;
1567 }
1568 #endif
1569
1570 int load_config(BIO *err, CONF *cnf)
1571 {
1572 static int load_config_called = 0;
1573 if (load_config_called)
1574 return 1;
1575 load_config_called = 1;
1576 if (!cnf)
1577 cnf = config;
1578 if (!cnf)
1579 return 1;
1580
1581 OPENSSL_load_builtin_modules();
1582
1583 if (CONF_modules_load(cnf, NULL, 0) <= 0) {
1584 BIO_printf(err, "Error configuring OpenSSL\n");
1585 ERR_print_errors(err);
1586 return 0;
1587 }
1588 return 1;
1589 }
1590
1591 char *make_config_name()
1592 {
1593 const char *t = X509_get_default_cert_area();
1594 size_t len;
1595 char *p;
1596
1597 len = strlen(t) + strlen(OPENSSL_CONF) + 2;
1598 p = OPENSSL_malloc(len);
1599 if (p == NULL)
1600 return NULL;
1601 BUF_strlcpy(p, t, len);
1602 #ifndef OPENSSL_SYS_VMS
1603 BUF_strlcat(p, "/", len);
1604 #endif
1605 BUF_strlcat(p, OPENSSL_CONF, len);
1606
1607 return p;
1608 }
1609
1610 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1611 {
1612 const char *n;
1613
1614 n = a[DB_serial];
1615 while (*n == '0')
1616 n++;
1617 return (lh_strhash(n));
1618 }
1619
1620 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1621 const OPENSSL_CSTRING *b)
1622 {
1623 const char *aa, *bb;
1624
1625 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1626 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1627 return (strcmp(aa, bb));
1628 }
1629
1630 static int index_name_qual(char **a)
1631 {
1632 return (a[0][0] == 'V');
1633 }
1634
1635 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1636 {
1637 return (lh_strhash(a[DB_name]));
1638 }
1639
1640 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1641 {
1642 return (strcmp(a[DB_name], b[DB_name]));
1643 }
1644
1645 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1646 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1647 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1648 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1649 #undef BSIZE
1650 #define BSIZE 256
1651 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1652 {
1653 BIO *in = NULL;
1654 BIGNUM *ret = NULL;
1655 MS_STATIC char buf[1024];
1656 ASN1_INTEGER *ai = NULL;
1657
1658 ai = ASN1_INTEGER_new();
1659 if (ai == NULL)
1660 goto err;
1661
1662 if ((in = BIO_new(BIO_s_file())) == NULL) {
1663 ERR_print_errors(bio_err);
1664 goto err;
1665 }
1666
1667 if (BIO_read_filename(in, serialfile) <= 0) {
1668 if (!create) {
1669 perror(serialfile);
1670 goto err;
1671 } else {
1672 ret = BN_new();
1673 if (ret == NULL || !rand_serial(ret, ai))
1674 BIO_printf(bio_err, "Out of memory\n");
1675 }
1676 } else {
1677 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1678 BIO_printf(bio_err, "unable to load number from %s\n",
1679 serialfile);
1680 goto err;
1681 }
1682 ret = ASN1_INTEGER_to_BN(ai, NULL);
1683 if (ret == NULL) {
1684 BIO_printf(bio_err,
1685 "error converting number from bin to BIGNUM\n");
1686 goto err;
1687 }
1688 }
1689
1690 if (ret && retai) {
1691 *retai = ai;
1692 ai = NULL;
1693 }
1694 err:
1695 if (in != NULL)
1696 BIO_free(in);
1697 if (ai != NULL)
1698 ASN1_INTEGER_free(ai);
1699 return (ret);
1700 }
1701
1702 int save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1703 ASN1_INTEGER **retai)
1704 {
1705 char buf[1][BSIZE];
1706 BIO *out = NULL;
1707 int ret = 0;
1708 ASN1_INTEGER *ai = NULL;
1709 int j;
1710
1711 if (suffix == NULL)
1712 j = strlen(serialfile);
1713 else
1714 j = strlen(serialfile) + strlen(suffix) + 1;
1715 if (j >= BSIZE) {
1716 BIO_printf(bio_err, "file name too long\n");
1717 goto err;
1718 }
1719
1720 if (suffix == NULL)
1721 BUF_strlcpy(buf[0], serialfile, BSIZE);
1722 else {
1723 #ifndef OPENSSL_SYS_VMS
1724 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1725 #else
1726 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1727 #endif
1728 }
1729 #ifdef RL_DEBUG
1730 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1731 #endif
1732 out = BIO_new(BIO_s_file());
1733 if (out == NULL) {
1734 ERR_print_errors(bio_err);
1735 goto err;
1736 }
1737 if (BIO_write_filename(out, buf[0]) <= 0) {
1738 perror(serialfile);
1739 goto err;
1740 }
1741
1742 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1743 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1744 goto err;
1745 }
1746 i2a_ASN1_INTEGER(out, ai);
1747 BIO_puts(out, "\n");
1748 ret = 1;
1749 if (retai) {
1750 *retai = ai;
1751 ai = NULL;
1752 }
1753 err:
1754 if (out != NULL)
1755 BIO_free_all(out);
1756 if (ai != NULL)
1757 ASN1_INTEGER_free(ai);
1758 return (ret);
1759 }
1760
1761 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1762 {
1763 char buf[5][BSIZE];
1764 int i, j;
1765
1766 i = strlen(serialfile) + strlen(old_suffix);
1767 j = strlen(serialfile) + strlen(new_suffix);
1768 if (i > j)
1769 j = i;
1770 if (j + 1 >= BSIZE) {
1771 BIO_printf(bio_err, "file name too long\n");
1772 goto err;
1773 }
1774 #ifndef OPENSSL_SYS_VMS
1775 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
1776 #else
1777 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix);
1778 #endif
1779 #ifndef OPENSSL_SYS_VMS
1780 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
1781 #else
1782 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix);
1783 #endif
1784 #ifdef RL_DEBUG
1785 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1786 serialfile, buf[1]);
1787 #endif
1788 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1789 #ifdef ENOTDIR
1790 && errno != ENOTDIR
1791 #endif
1792 ) {
1793 BIO_printf(bio_err,
1794 "unable to rename %s to %s\n", serialfile, buf[1]);
1795 perror("reason");
1796 goto err;
1797 }
1798 #ifdef RL_DEBUG
1799 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1800 buf[0], serialfile);
1801 #endif
1802 if (rename(buf[0], serialfile) < 0) {
1803 BIO_printf(bio_err,
1804 "unable to rename %s to %s\n", buf[0], serialfile);
1805 perror("reason");
1806 rename(buf[1], serialfile);
1807 goto err;
1808 }
1809 return 1;
1810 err:
1811 return 0;
1812 }
1813
1814 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1815 {
1816 BIGNUM *btmp;
1817 int ret = 0;
1818 if (b)
1819 btmp = b;
1820 else
1821 btmp = BN_new();
1822
1823 if (!btmp)
1824 return 0;
1825
1826 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1827 goto error;
1828 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1829 goto error;
1830
1831 ret = 1;
1832
1833 error:
1834
1835 if (!b)
1836 BN_free(btmp);
1837
1838 return ret;
1839 }
1840
1841 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1842 {
1843 CA_DB *retdb = NULL;
1844 TXT_DB *tmpdb = NULL;
1845 BIO *in = BIO_new(BIO_s_file());
1846 CONF *dbattr_conf = NULL;
1847 char buf[1][BSIZE];
1848 long errorline = -1;
1849
1850 if (in == NULL) {
1851 ERR_print_errors(bio_err);
1852 goto err;
1853 }
1854 if (BIO_read_filename(in, dbfile) <= 0) {
1855 perror(dbfile);
1856 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1857 goto err;
1858 }
1859 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1860 goto err;
1861
1862 #ifndef OPENSSL_SYS_VMS
1863 BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1864 #else
1865 BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1866 #endif
1867 dbattr_conf = NCONF_new(NULL);
1868 if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) {
1869 if (errorline > 0) {
1870 BIO_printf(bio_err,
1871 "error on line %ld of db attribute file '%s'\n",
1872 errorline, buf[0]);
1873 goto err;
1874 } else {
1875 NCONF_free(dbattr_conf);
1876 dbattr_conf = NULL;
1877 }
1878 }
1879
1880 if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) {
1881 fprintf(stderr, "Out of memory\n");
1882 goto err;
1883 }
1884
1885 retdb->db = tmpdb;
1886 tmpdb = NULL;
1887 if (db_attr)
1888 retdb->attributes = *db_attr;
1889 else {
1890 retdb->attributes.unique_subject = 1;
1891 }
1892
1893 if (dbattr_conf) {
1894 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1895 if (p) {
1896 #ifdef RL_DEBUG
1897 BIO_printf(bio_err,
1898 "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1899 #endif
1900 retdb->attributes.unique_subject = parse_yesno(p, 1);
1901 }
1902 }
1903
1904 err:
1905 if (dbattr_conf)
1906 NCONF_free(dbattr_conf);
1907 if (tmpdb)
1908 TXT_DB_free(tmpdb);
1909 if (in)
1910 BIO_free_all(in);
1911 return retdb;
1912 }
1913
1914 int index_index(CA_DB *db)
1915 {
1916 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1917 LHASH_HASH_FN(index_serial),
1918 LHASH_COMP_FN(index_serial))) {
1919 BIO_printf(bio_err,
1920 "error creating serial number index:(%ld,%ld,%ld)\n",
1921 db->db->error, db->db->arg1, db->db->arg2);
1922 return 0;
1923 }
1924
1925 if (db->attributes.unique_subject
1926 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1927 LHASH_HASH_FN(index_name),
1928 LHASH_COMP_FN(index_name))) {
1929 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1930 db->db->error, db->db->arg1, db->db->arg2);
1931 return 0;
1932 }
1933 return 1;
1934 }
1935
1936 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1937 {
1938 char buf[3][BSIZE];
1939 BIO *out = BIO_new(BIO_s_file());
1940 int j;
1941
1942 if (out == NULL) {
1943 ERR_print_errors(bio_err);
1944 goto err;
1945 }
1946
1947 j = strlen(dbfile) + strlen(suffix);
1948 if (j + 6 >= BSIZE) {
1949 BIO_printf(bio_err, "file name too long\n");
1950 goto err;
1951 }
1952 #ifndef OPENSSL_SYS_VMS
1953 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1954 #else
1955 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1956 #endif
1957 #ifndef OPENSSL_SYS_VMS
1958 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1959 #else
1960 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1961 #endif
1962 #ifndef OPENSSL_SYS_VMS
1963 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1964 #else
1965 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1966 #endif
1967 #ifdef RL_DEBUG
1968 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1969 #endif
1970 if (BIO_write_filename(out, buf[0]) <= 0) {
1971 perror(dbfile);
1972 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1973 goto err;
1974 }
1975 j = TXT_DB_write(out, db->db);
1976 if (j <= 0)
1977 goto err;
1978
1979 BIO_free(out);
1980
1981 out = BIO_new(BIO_s_file());
1982 #ifdef RL_DEBUG
1983 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1984 #endif
1985 if (BIO_write_filename(out, buf[1]) <= 0) {
1986 perror(buf[2]);
1987 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1988 goto err;
1989 }
1990 BIO_printf(out, "unique_subject = %s\n",
1991 db->attributes.unique_subject ? "yes" : "no");
1992 BIO_free(out);
1993
1994 return 1;
1995 err:
1996 return 0;
1997 }
1998
1999 int rotate_index(const char *dbfile, const char *new_suffix,
2000 const char *old_suffix)
2001 {
2002 char buf[5][BSIZE];
2003 int i, j;
2004
2005 i = strlen(dbfile) + strlen(old_suffix);
2006 j = strlen(dbfile) + strlen(new_suffix);
2007 if (i > j)
2008 j = i;
2009 if (j + 6 >= BSIZE) {
2010 BIO_printf(bio_err, "file name too long\n");
2011 goto err;
2012 }
2013 #ifndef OPENSSL_SYS_VMS
2014 j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
2015 #else
2016 j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
2017 #endif
2018 #ifndef OPENSSL_SYS_VMS
2019 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
2020 #else
2021 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix);
2022 #endif
2023 #ifndef OPENSSL_SYS_VMS
2024 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
2025 #else
2026 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix);
2027 #endif
2028 #ifndef OPENSSL_SYS_VMS
2029 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
2030 #else
2031 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix);
2032 #endif
2033 #ifndef OPENSSL_SYS_VMS
2034 j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
2035 #else
2036 j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix);
2037 #endif
2038 #ifdef RL_DEBUG
2039 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]);
2040 #endif
2041 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
2042 #ifdef ENOTDIR
2043 && errno != ENOTDIR
2044 #endif
2045 ) {
2046 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
2047 perror("reason");
2048 goto err;
2049 }
2050 #ifdef RL_DEBUG
2051 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile);
2052 #endif
2053 if (rename(buf[0], dbfile) < 0) {
2054 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
2055 perror("reason");
2056 rename(buf[1], dbfile);
2057 goto err;
2058 }
2059 #ifdef RL_DEBUG
2060 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]);
2061 #endif
2062 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
2063 #ifdef ENOTDIR
2064 && errno != ENOTDIR
2065 #endif
2066 ) {
2067 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
2068 perror("reason");
2069 rename(dbfile, buf[0]);
2070 rename(buf[1], dbfile);
2071 goto err;
2072 }
2073 #ifdef RL_DEBUG
2074 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]);
2075 #endif
2076 if (rename(buf[2], buf[4]) < 0) {
2077 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
2078 perror("reason");
2079 rename(buf[3], buf[4]);
2080 rename(dbfile, buf[0]);
2081 rename(buf[1], dbfile);
2082 goto err;
2083 }
2084 return 1;
2085 err:
2086 return 0;
2087 }
2088
2089 void free_index(CA_DB *db)
2090 {
2091 if (db) {
2092 if (db->db)
2093 TXT_DB_free(db->db);
2094 OPENSSL_free(db);
2095 }
2096 }
2097
2098 int parse_yesno(const char *str, int def)
2099 {
2100 int ret = def;
2101 if (str) {
2102 switch (*str) {
2103 case 'f': /* false */
2104 case 'F': /* FALSE */
2105 case 'n': /* no */
2106 case 'N': /* NO */
2107 case '0': /* 0 */
2108 ret = 0;
2109 break;
2110 case 't': /* true */
2111 case 'T': /* TRUE */
2112 case 'y': /* yes */
2113 case 'Y': /* YES */
2114 case '1': /* 1 */
2115 ret = 1;
2116 break;
2117 default:
2118 ret = def;
2119 break;
2120 }
2121 }
2122 return ret;
2123 }
2124
2125 /*
2126 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
2127 * where characters may be escaped by \
2128 */
2129 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
2130 {
2131 size_t buflen = strlen(subject) + 1; /* to copy the types and values
2132 * into. due to escaping, the copy
2133 * can only become shorter */
2134 char *buf = OPENSSL_malloc(buflen);
2135 size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
2136 char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *));
2137 char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *));
2138 int *mval = OPENSSL_malloc(max_ne * sizeof(int));
2139
2140 char *sp = subject, *bp = buf;
2141 int i, ne_num = 0;
2142
2143 X509_NAME *n = NULL;
2144 int nid;
2145
2146 if (!buf || !ne_types || !ne_values || !mval) {
2147 BIO_printf(bio_err, "malloc error\n");
2148 goto error;
2149 }
2150
2151 if (*subject != '/') {
2152 BIO_printf(bio_err, "Subject does not start with '/'.\n");
2153 goto error;
2154 }
2155 sp++; /* skip leading / */
2156
2157 /* no multivalued RDN by default */
2158 mval[ne_num] = 0;
2159
2160 while (*sp) {
2161 /* collect type */
2162 ne_types[ne_num] = bp;
2163 while (*sp) {
2164 if (*sp == '\\') { /* is there anything to escape in the
2165 * type...? */
2166 if (*++sp)
2167 *bp++ = *sp++;
2168 else {
2169 BIO_printf(bio_err,
2170 "escape character at end of string\n");
2171 goto error;
2172 }
2173 } else if (*sp == '=') {
2174 sp++;
2175 *bp++ = '\0';
2176 break;
2177 } else
2178 *bp++ = *sp++;
2179 }
2180 if (!*sp) {
2181 BIO_printf(bio_err,
2182 "end of string encountered while processing type of subject name element #%d\n",
2183 ne_num);
2184 goto error;
2185 }
2186 ne_values[ne_num] = bp;
2187 while (*sp) {
2188 if (*sp == '\\') {
2189 if (*++sp)
2190 *bp++ = *sp++;
2191 else {
2192 BIO_printf(bio_err,
2193 "escape character at end of string\n");
2194 goto error;
2195 }
2196 } else if (*sp == '/') {
2197 sp++;
2198 /* no multivalued RDN by default */
2199 mval[ne_num + 1] = 0;
2200 break;
2201 } else if (*sp == '+' && multirdn) {
2202 /*
2203 * a not escaped + signals a mutlivalued RDN
2204 */
2205 sp++;
2206 mval[ne_num + 1] = -1;
2207 break;
2208 } else
2209 *bp++ = *sp++;
2210 }
2211 *bp++ = '\0';
2212 ne_num++;
2213 }
2214
2215 if (!(n = X509_NAME_new()))
2216 goto error;
2217
2218 for (i = 0; i < ne_num; i++) {
2219 if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
2220 BIO_printf(bio_err,
2221 "Subject Attribute %s has no known NID, skipped\n",
2222 ne_types[i]);
2223 continue;
2224 }
2225
2226 if (!*ne_values[i]) {
2227 BIO_printf(bio_err,
2228 "No value provided for Subject Attribute %s, skipped\n",
2229 ne_types[i]);
2230 continue;
2231 }
2232
2233 if (!X509_NAME_add_entry_by_NID
2234 (n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i]))
2235 goto error;
2236 }
2237
2238 OPENSSL_free(ne_values);
2239 OPENSSL_free(ne_types);
2240 OPENSSL_free(buf);
2241 OPENSSL_free(mval);
2242 return n;
2243
2244 error:
2245 X509_NAME_free(n);
2246 if (ne_values)
2247 OPENSSL_free(ne_values);
2248 if (ne_types)
2249 OPENSSL_free(ne_types);
2250 if (mval)
2251 OPENSSL_free(mval);
2252 if (buf)
2253 OPENSSL_free(buf);
2254 return NULL;
2255 }
2256
2257 int args_verify(char ***pargs, int *pargc,
2258 int *badarg, BIO *err, X509_VERIFY_PARAM **pm)
2259 {
2260 ASN1_OBJECT *otmp = NULL;
2261 unsigned long flags = 0;
2262 int i;
2263 int purpose = 0, depth = -1;
2264 char **oldargs = *pargs;
2265 char *arg = **pargs, *argn = (*pargs)[1];
2266 time_t at_time = 0;
2267 char *hostname = NULL;
2268 char *email = NULL;
2269 char *ipasc = NULL;
2270 if (!strcmp(arg, "-policy")) {
2271 if (!argn)
2272 *badarg = 1;
2273 else {
2274 otmp = OBJ_txt2obj(argn, 0);
2275 if (!otmp) {
2276 BIO_printf(err, "Invalid Policy \"%s\"\n", argn);
2277 *badarg = 1;
2278 }
2279 }
2280 (*pargs)++;
2281 } else if (strcmp(arg, "-purpose") == 0) {
2282 X509_PURPOSE *xptmp;
2283 if (!argn)
2284 *badarg = 1;
2285 else {
2286 i = X509_PURPOSE_get_by_sname(argn);
2287 if (i < 0) {
2288 BIO_printf(err, "unrecognized purpose\n");
2289 *badarg = 1;
2290 } else {
2291 xptmp = X509_PURPOSE_get0(i);
2292 purpose = X509_PURPOSE_get_id(xptmp);
2293 }
2294 }
2295 (*pargs)++;
2296 } else if (strcmp(arg, "-verify_depth") == 0) {
2297 if (!argn)
2298 *badarg = 1;
2299 else {
2300 depth = atoi(argn);
2301 if (depth < 0) {
2302 BIO_printf(err, "invalid depth\n");
2303 *badarg = 1;
2304 }
2305 }
2306 (*pargs)++;
2307 } else if (strcmp(arg, "-attime") == 0) {
2308 if (!argn)
2309 *badarg = 1;
2310 else {
2311 long timestamp;
2312 /*
2313 * interpret the -attime argument as seconds since Epoch
2314 */
2315 if (sscanf(argn, "%li", &timestamp) != 1) {
2316 BIO_printf(bio_err, "Error parsing timestamp %s\n", argn);
2317 *badarg = 1;
2318 }
2319 /* on some platforms time_t may be a float */
2320 at_time = (time_t)timestamp;
2321 }
2322 (*pargs)++;
2323 } else if (strcmp(arg, "-verify_hostname") == 0) {
2324 if (!argn)
2325 *badarg = 1;
2326 hostname = argn;
2327 (*pargs)++;
2328 } else if (strcmp(arg, "-verify_email") == 0) {
2329 if (!argn)
2330 *badarg = 1;
2331 email = argn;
2332 (*pargs)++;
2333 } else if (strcmp(arg, "-verify_ip") == 0) {
2334 if (!argn)
2335 *badarg = 1;
2336 ipasc = argn;
2337 (*pargs)++;
2338 } else if (!strcmp(arg, "-ignore_critical"))
2339 flags |= X509_V_FLAG_IGNORE_CRITICAL;
2340 else if (!strcmp(arg, "-issuer_checks"))
2341 flags |= X509_V_FLAG_CB_ISSUER_CHECK;
2342 else if (!strcmp(arg, "-crl_check"))
2343 flags |= X509_V_FLAG_CRL_CHECK;
2344 else if (!strcmp(arg, "-crl_check_all"))
2345 flags |= X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL;
2346 else if (!strcmp(arg, "-policy_check"))
2347 flags |= X509_V_FLAG_POLICY_CHECK;
2348 else if (!strcmp(arg, "-explicit_policy"))
2349 flags |= X509_V_FLAG_EXPLICIT_POLICY;
2350 else if (!strcmp(arg, "-inhibit_any"))
2351 flags |= X509_V_FLAG_INHIBIT_ANY;
2352 else if (!strcmp(arg, "-inhibit_map"))
2353 flags |= X509_V_FLAG_INHIBIT_MAP;
2354 else if (!strcmp(arg, "-x509_strict"))
2355 flags |= X509_V_FLAG_X509_STRICT;
2356 else if (!strcmp(arg, "-extended_crl"))
2357 flags |= X509_V_FLAG_EXTENDED_CRL_SUPPORT;
2358 else if (!strcmp(arg, "-use_deltas"))
2359 flags |= X509_V_FLAG_USE_DELTAS;
2360 else if (!strcmp(arg, "-policy_print"))
2361 flags |= X509_V_FLAG_NOTIFY_POLICY;
2362 else if (!strcmp(arg, "-check_ss_sig"))
2363 flags |= X509_V_FLAG_CHECK_SS_SIGNATURE;
2364 else if (!strcmp(arg, "-trusted_first"))
2365 flags |= X509_V_FLAG_TRUSTED_FIRST;
2366 else if (!strcmp(arg, "-suiteB_128_only"))
2367 flags |= X509_V_FLAG_SUITEB_128_LOS_ONLY;
2368 else if (!strcmp(arg, "-suiteB_128"))
2369 flags |= X509_V_FLAG_SUITEB_128_LOS;
2370 else if (!strcmp(arg, "-suiteB_192"))
2371 flags |= X509_V_FLAG_SUITEB_192_LOS;
2372 else if (!strcmp(arg, "-partial_chain"))
2373 flags |= X509_V_FLAG_PARTIAL_CHAIN;
2374 else if (!strcmp(arg, "-no_alt_chains"))
2375 flags |= X509_V_FLAG_NO_ALT_CHAINS;
2376 else
2377 return 0;
2378
2379 if (*badarg) {
2380 if (*pm)
2381 X509_VERIFY_PARAM_free(*pm);
2382 *pm = NULL;
2383 goto end;
2384 }
2385
2386 if (!*pm && !(*pm = X509_VERIFY_PARAM_new())) {
2387 *badarg = 1;
2388 goto end;
2389 }
2390
2391 if (otmp)
2392 X509_VERIFY_PARAM_add0_policy(*pm, otmp);
2393 if (flags)
2394 X509_VERIFY_PARAM_set_flags(*pm, flags);
2395
2396 if (purpose)
2397 X509_VERIFY_PARAM_set_purpose(*pm, purpose);
2398
2399 if (depth >= 0)
2400 X509_VERIFY_PARAM_set_depth(*pm, depth);
2401
2402 if (at_time)
2403 X509_VERIFY_PARAM_set_time(*pm, at_time);
2404
2405 if (hostname && !X509_VERIFY_PARAM_set1_host(*pm, hostname, 0))
2406 *badarg = 1;
2407
2408 if (email && !X509_VERIFY_PARAM_set1_email(*pm, email, 0))
2409 *badarg = 1;
2410
2411 if (ipasc && !X509_VERIFY_PARAM_set1_ip_asc(*pm, ipasc))
2412 *badarg = 1;
2413
2414 end:
2415
2416 (*pargs)++;
2417
2418 if (pargc)
2419 *pargc -= *pargs - oldargs;
2420
2421 return 1;
2422
2423 }
2424
2425 /*
2426 * Read whole contents of a BIO into an allocated memory buffer and return
2427 * it.
2428 */
2429
2430 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2431 {
2432 BIO *mem;
2433 int len, ret;
2434 unsigned char tbuf[1024];
2435 mem = BIO_new(BIO_s_mem());
2436 if (!mem)
2437 return -1;
2438 for (;;) {
2439 if ((maxlen != -1) && maxlen < 1024)
2440 len = maxlen;
2441 else
2442 len = 1024;
2443 len = BIO_read(in, tbuf, len);
2444 if (len <= 0)
2445 break;
2446 if (BIO_write(mem, tbuf, len) != len) {
2447 BIO_free(mem);
2448 return -1;
2449 }
2450 maxlen -= len;
2451
2452 if (maxlen == 0)
2453 break;
2454 }
2455 ret = BIO_get_mem_data(mem, (char **)out);
2456 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2457 BIO_free(mem);
2458 return ret;
2459 }
2460
2461 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2462 {
2463 int rv;
2464 char *stmp, *vtmp = NULL;
2465 stmp = BUF_strdup(value);
2466 if (!stmp)
2467 return -1;
2468 vtmp = strchr(stmp, ':');
2469 if (vtmp) {
2470 *vtmp = 0;
2471 vtmp++;
2472 }
2473 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2474 OPENSSL_free(stmp);
2475 return rv;
2476 }
2477
2478 static void nodes_print(BIO *out, const char *name,
2479 STACK_OF(X509_POLICY_NODE) *nodes)
2480 {
2481 X509_POLICY_NODE *node;
2482 int i;
2483 BIO_printf(out, "%s Policies:", name);
2484 if (nodes) {
2485 BIO_puts(out, "\n");
2486 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2487 node = sk_X509_POLICY_NODE_value(nodes, i);
2488 X509_POLICY_NODE_print(out, node, 2);
2489 }
2490 } else
2491 BIO_puts(out, " <empty>\n");
2492 }
2493
2494 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2495 {
2496 X509_POLICY_TREE *tree;
2497 int explicit_policy;
2498 int free_out = 0;
2499 if (out == NULL) {
2500 out = BIO_new_fp(stderr, BIO_NOCLOSE);
2501 free_out = 1;
2502 }
2503 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2504 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2505
2506 BIO_printf(out, "Require explicit Policy: %s\n",
2507 explicit_policy ? "True" : "False");
2508
2509 nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2510 nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2511 if (free_out)
2512 BIO_free(out);
2513 }
2514
2515 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2516
2517 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2518 const char *secret)
2519 {
2520 BIGNUM *p = NULL;
2521 BIGNUM *g = NULL;
2522 BIGNUM *q = NULL;
2523 BIGNUM *bnsecret = BN_new();
2524 JPAKE_CTX *ctx;
2525
2526 /* Use a safe prime for p (that we found earlier) */
2527 BN_hex2bn(&p,
2528 "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2529 g = BN_new();
2530 BN_set_word(g, 2);
2531 q = BN_new();
2532 BN_rshift1(q, p);
2533
2534 BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2535
2536 ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2537 BN_free(bnsecret);
2538 BN_free(q);
2539 BN_free(g);
2540 BN_free(p);
2541
2542 return ctx;
2543 }
2544
2545 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2546 {
2547 BN_print(conn, p->gx);
2548 BIO_puts(conn, "\n");
2549 BN_print(conn, p->zkpx.gr);
2550 BIO_puts(conn, "\n");
2551 BN_print(conn, p->zkpx.b);
2552 BIO_puts(conn, "\n");
2553 }
2554
2555 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2556 {
2557 JPAKE_STEP1 s1;
2558
2559 JPAKE_STEP1_init(&s1);
2560 JPAKE_STEP1_generate(&s1, ctx);
2561 jpake_send_part(bconn, &s1.p1);
2562 jpake_send_part(bconn, &s1.p2);
2563 (void)BIO_flush(bconn);
2564 JPAKE_STEP1_release(&s1);
2565 }
2566
2567 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2568 {
2569 JPAKE_STEP2 s2;
2570
2571 JPAKE_STEP2_init(&s2);
2572 JPAKE_STEP2_generate(&s2, ctx);
2573 jpake_send_part(bconn, &s2);
2574 (void)BIO_flush(bconn);
2575 JPAKE_STEP2_release(&s2);
2576 }
2577
2578 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2579 {
2580 JPAKE_STEP3A s3a;
2581
2582 JPAKE_STEP3A_init(&s3a);
2583 JPAKE_STEP3A_generate(&s3a, ctx);
2584 BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2585 (void)BIO_flush(bconn);
2586 JPAKE_STEP3A_release(&s3a);
2587 }
2588
2589 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2590 {
2591 JPAKE_STEP3B s3b;
2592
2593 JPAKE_STEP3B_init(&s3b);
2594 JPAKE_STEP3B_generate(&s3b, ctx);
2595 BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2596 (void)BIO_flush(bconn);
2597 JPAKE_STEP3B_release(&s3b);
2598 }
2599
2600 static void readbn(BIGNUM **bn, BIO *bconn)
2601 {
2602 char buf[10240];
2603 int l;
2604
2605 l = BIO_gets(bconn, buf, sizeof buf);
2606 assert(l > 0);
2607 assert(buf[l - 1] == '\n');
2608 buf[l - 1] = '\0';
2609 BN_hex2bn(bn, buf);
2610 }
2611
2612 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2613 {
2614 readbn(&p->gx, bconn);
2615 readbn(&p->zkpx.gr, bconn);
2616 readbn(&p->zkpx.b, bconn);
2617 }
2618
2619 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2620 {
2621 JPAKE_STEP1 s1;
2622
2623 JPAKE_STEP1_init(&s1);
2624 jpake_receive_part(&s1.p1, bconn);
2625 jpake_receive_part(&s1.p2, bconn);
2626 if (!JPAKE_STEP1_process(ctx, &s1)) {
2627 ERR_print_errors(bio_err);
2628 exit(1);
2629 }
2630 JPAKE_STEP1_release(&s1);
2631 }
2632
2633 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2634 {
2635 JPAKE_STEP2 s2;
2636
2637 JPAKE_STEP2_init(&s2);
2638 jpake_receive_part(&s2, bconn);
2639 if (!JPAKE_STEP2_process(ctx, &s2)) {
2640 ERR_print_errors(bio_err);
2641 exit(1);
2642 }
2643 JPAKE_STEP2_release(&s2);
2644 }
2645
2646 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2647 {
2648 JPAKE_STEP3A s3a;
2649 int l;
2650
2651 JPAKE_STEP3A_init(&s3a);
2652 l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2653 assert(l == sizeof s3a.hhk);
2654 if (!JPAKE_STEP3A_process(ctx, &s3a)) {
2655 ERR_print_errors(bio_err);
2656 exit(1);
2657 }
2658 JPAKE_STEP3A_release(&s3a);
2659 }
2660
2661 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2662 {
2663 JPAKE_STEP3B s3b;
2664 int l;
2665
2666 JPAKE_STEP3B_init(&s3b);
2667 l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2668 assert(l == sizeof s3b.hk);
2669 if (!JPAKE_STEP3B_process(ctx, &s3b)) {
2670 ERR_print_errors(bio_err);
2671 exit(1);
2672 }
2673 JPAKE_STEP3B_release(&s3b);
2674 }
2675
2676 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2677 {
2678 JPAKE_CTX *ctx;
2679 BIO *bconn;
2680
2681 BIO_puts(out, "Authenticating with JPAKE\n");
2682
2683 ctx = jpake_init("client", "server", secret);
2684
2685 bconn = BIO_new(BIO_f_buffer());
2686 BIO_push(bconn, conn);
2687
2688 jpake_send_step1(bconn, ctx);
2689 jpake_receive_step1(ctx, bconn);
2690 jpake_send_step2(bconn, ctx);
2691 jpake_receive_step2(ctx, bconn);
2692 jpake_send_step3a(bconn, ctx);
2693 jpake_receive_step3b(ctx, bconn);
2694
2695 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2696
2697 if (psk_key)
2698 OPENSSL_free(psk_key);
2699
2700 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2701
2702 BIO_pop(bconn);
2703 BIO_free(bconn);
2704
2705 JPAKE_CTX_free(ctx);
2706 }
2707
2708 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2709 {
2710 JPAKE_CTX *ctx;
2711 BIO *bconn;
2712
2713 BIO_puts(out, "Authenticating with JPAKE\n");
2714
2715 ctx = jpake_init("server", "client", secret);
2716
2717 bconn = BIO_new(BIO_f_buffer());
2718 BIO_push(bconn, conn);
2719
2720 jpake_receive_step1(ctx, bconn);
2721 jpake_send_step1(bconn, ctx);
2722 jpake_receive_step2(ctx, bconn);
2723 jpake_send_step2(bconn, ctx);
2724 jpake_receive_step3a(ctx, bconn);
2725 jpake_send_step3b(bconn, ctx);
2726
2727 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2728
2729 if (psk_key)
2730 OPENSSL_free(psk_key);
2731
2732 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2733
2734 BIO_pop(bconn);
2735 BIO_free(bconn);
2736
2737 JPAKE_CTX_free(ctx);
2738 }
2739
2740 #endif
2741
2742 #ifndef OPENSSL_NO_TLSEXT
2743 /*-
2744 * next_protos_parse parses a comma separated list of strings into a string
2745 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2746 * outlen: (output) set to the length of the resulting buffer on success.
2747 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2748 * in: a NUL termianted string like "abc,def,ghi"
2749 *
2750 * returns: a malloced buffer or NULL on failure.
2751 */
2752 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2753 {
2754 size_t len;
2755 unsigned char *out;
2756 size_t i, start = 0;
2757
2758 len = strlen(in);
2759 if (len >= 65535)
2760 return NULL;
2761
2762 out = OPENSSL_malloc(strlen(in) + 1);
2763 if (!out)
2764 return NULL;
2765
2766 for (i = 0; i <= len; ++i) {
2767 if (i == len || in[i] == ',') {
2768 if (i - start > 255) {
2769 OPENSSL_free(out);
2770 return NULL;
2771 }
2772 out[start] = i - start;
2773 start = i + 1;
2774 } else
2775 out[i + 1] = in[i];
2776 }
2777
2778 *outlen = len + 1;
2779 return out;
2780 }
2781 #endif /* ndef OPENSSL_NO_TLSEXT */
2782
2783 void print_cert_checks(BIO *bio, X509 *x,
2784 const char *checkhost,
2785 const char *checkemail, const char *checkip)
2786 {
2787 if (x == NULL)
2788 return;
2789 if (checkhost) {
2790 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2791 checkhost, X509_check_host(x, checkhost, 0, 0, NULL) == 1
2792 ? "" : " NOT");
2793 }
2794
2795 if (checkemail) {
2796 BIO_printf(bio, "Email %s does%s match certificate\n",
2797 checkemail, X509_check_email(x, checkemail, 0,
2798 0) ? "" : " NOT");
2799 }
2800
2801 if (checkip) {
2802 BIO_printf(bio, "IP %s does%s match certificate\n",
2803 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2804 }
2805 }
2806
2807 /* Get first http URL from a DIST_POINT structure */
2808
2809 static const char *get_dp_url(DIST_POINT *dp)
2810 {
2811 GENERAL_NAMES *gens;
2812 GENERAL_NAME *gen;
2813 int i, gtype;
2814 ASN1_STRING *uri;
2815 if (!dp->distpoint || dp->distpoint->type != 0)
2816 return NULL;
2817 gens = dp->distpoint->name.fullname;
2818 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2819 gen = sk_GENERAL_NAME_value(gens, i);
2820 uri = GENERAL_NAME_get0_value(gen, &gtype);
2821 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2822 char *uptr = (char *)ASN1_STRING_data(uri);
2823 if (!strncmp(uptr, "http://", 7))
2824 return uptr;
2825 }
2826 }
2827 return NULL;
2828 }
2829
2830 /*
2831 * Look through a CRLDP structure and attempt to find an http URL to
2832 * downloads a CRL from.
2833 */
2834
2835 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2836 {
2837 int i;
2838 const char *urlptr = NULL;
2839 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2840 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2841 urlptr = get_dp_url(dp);
2842 if (urlptr)
2843 return load_crl(urlptr, FORMAT_HTTP);
2844 }
2845 return NULL;
2846 }
2847
2848 /*
2849 * Example of downloading CRLs from CRLDP: not usable for real world as it
2850 * always downloads, doesn't support non-blocking I/O and doesn't cache
2851 * anything.
2852 */
2853
2854 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2855 {
2856 X509 *x;
2857 STACK_OF(X509_CRL) *crls = NULL;
2858 X509_CRL *crl;
2859 STACK_OF(DIST_POINT) *crldp;
2860 x = X509_STORE_CTX_get_current_cert(ctx);
2861 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2862 crl = load_crl_crldp(crldp);
2863 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2864 if (!crl)
2865 return NULL;
2866 crls = sk_X509_CRL_new_null();
2867 sk_X509_CRL_push(crls, crl);
2868 /* Try to download delta CRL */
2869 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2870 crl = load_crl_crldp(crldp);
2871 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2872 if (crl)
2873 sk_X509_CRL_push(crls, crl);
2874 return crls;
2875 }
2876
2877 void store_setup_crl_download(X509_STORE *st)
2878 {
2879 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2880 }
2881
2882 /*
2883 * Platform-specific sections
2884 */
2885 #if defined(_WIN32)
2886 # ifdef fileno
2887 # undef fileno
2888 # define fileno(a) (int)_fileno(a)
2889 # endif
2890
2891 # include <windows.h>
2892 # include <tchar.h>
2893
2894 static int WIN32_rename(const char *from, const char *to)
2895 {
2896 TCHAR *tfrom = NULL, *tto;
2897 DWORD err;
2898 int ret = 0;
2899
2900 if (sizeof(TCHAR) == 1) {
2901 tfrom = (TCHAR *)from;
2902 tto = (TCHAR *)to;
2903 } else { /* UNICODE path */
2904
2905 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2906 tfrom = (TCHAR *)malloc(sizeof(TCHAR) * (flen + tlen));
2907 if (tfrom == NULL)
2908 goto err;
2909 tto = tfrom + flen;
2910 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2911 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2912 # endif
2913 for (i = 0; i < flen; i++)
2914 tfrom[i] = (TCHAR)from[i];
2915 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2916 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2917 # endif
2918 for (i = 0; i < tlen; i++)
2919 tto[i] = (TCHAR)to[i];
2920 }
2921
2922 if (MoveFile(tfrom, tto))
2923 goto ok;
2924 err = GetLastError();
2925 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2926 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2927 goto ok;
2928 err = GetLastError();
2929 }
2930 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2931 errno = ENOENT;
2932 else if (err == ERROR_ACCESS_DENIED)
2933 errno = EACCES;
2934 else
2935 errno = EINVAL; /* we could map more codes... */
2936 err:
2937 ret = -1;
2938 ok:
2939 if (tfrom != NULL && tfrom != (TCHAR *)from)
2940 free(tfrom);
2941 return ret;
2942 }
2943 #endif
2944
2945 /* app_tminterval section */
2946 #if defined(_WIN32)
2947 double app_tminterval(int stop, int usertime)
2948 {
2949 FILETIME now;
2950 double ret = 0;
2951 static ULARGE_INTEGER tmstart;
2952 static int warning = 1;
2953 # ifdef _WIN32_WINNT
2954 static HANDLE proc = NULL;
2955
2956 if (proc == NULL) {
2957 if (check_winnt())
2958 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2959 GetCurrentProcessId());
2960 if (proc == NULL)
2961 proc = (HANDLE) - 1;
2962 }
2963
2964 if (usertime && proc != (HANDLE) - 1) {
2965 FILETIME junk;
2966 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2967 } else
2968 # endif
2969 {
2970 SYSTEMTIME systime;
2971
2972 if (usertime && warning) {
2973 BIO_printf(bio_err, "To get meaningful results, run "
2974 "this program on idle system.\n");
2975 warning = 0;
2976 }
2977 GetSystemTime(&systime);
2978 SystemTimeToFileTime(&systime, &now);
2979 }
2980
2981 if (stop == TM_START) {
2982 tmstart.u.LowPart = now.dwLowDateTime;
2983 tmstart.u.HighPart = now.dwHighDateTime;
2984 } else {
2985 ULARGE_INTEGER tmstop;
2986
2987 tmstop.u.LowPart = now.dwLowDateTime;
2988 tmstop.u.HighPart = now.dwHighDateTime;
2989
2990 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2991 }
2992
2993 return (ret);
2994 }
2995
2996 #elif defined(OPENSSL_SYS_NETWARE)
2997 # include <time.h>
2998
2999 double app_tminterval(int stop, int usertime)
3000 {
3001 double ret = 0;
3002 static clock_t tmstart;
3003 static int warning = 1;
3004
3005 if (usertime && warning) {
3006 BIO_printf(bio_err, "To get meaningful results, run "
3007 "this program on idle system.\n");
3008 warning = 0;
3009 }
3010
3011 if (stop == TM_START)
3012 tmstart = clock();
3013 else
3014 ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC;
3015
3016 return (ret);
3017 }
3018
3019 #elif defined(OPENSSL_SYSTEM_VXWORKS)
3020 # include <time.h>
3021
3022 double app_tminterval(int stop, int usertime)
3023 {
3024 double ret = 0;
3025 # ifdef CLOCK_REALTIME
3026 static struct timespec tmstart;
3027 struct timespec now;
3028 # else
3029 static unsigned long tmstart;
3030 unsigned long now;
3031 # endif
3032 static int warning = 1;
3033
3034 if (usertime && warning) {
3035 BIO_printf(bio_err, "To get meaningful results, run "
3036 "this program on idle system.\n");
3037 warning = 0;
3038 }
3039 # ifdef CLOCK_REALTIME
3040 clock_gettime(CLOCK_REALTIME, &now);
3041 if (stop == TM_START)
3042 tmstart = now;
3043 else
3044 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
3045 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
3046 # else
3047 now = tickGet();
3048 if (stop == TM_START)
3049 tmstart = now;
3050 else
3051 ret = (now - tmstart) / (double)sysClkRateGet();
3052 # endif
3053 return (ret);
3054 }
3055
3056 #elif defined(OPENSSL_SYSTEM_VMS)
3057 # include <time.h>
3058 # include <times.h>
3059
3060 double app_tminterval(int stop, int usertime)
3061 {
3062 static clock_t tmstart;
3063 double ret = 0;
3064 clock_t now;
3065 # ifdef __TMS
3066 struct tms rus;
3067
3068 now = times(&rus);
3069 if (usertime)
3070 now = rus.tms_utime;
3071 # else
3072 if (usertime)
3073 now = clock(); /* sum of user and kernel times */
3074 else {
3075 struct timeval tv;
3076 gettimeofday(&tv, NULL);
3077 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
3078 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
3079 );
3080 }
3081 # endif
3082 if (stop == TM_START)
3083 tmstart = now;
3084 else
3085 ret = (now - tmstart) / (double)(CLK_TCK);
3086
3087 return (ret);
3088 }
3089
3090 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
3091 # include <sys/times.h>
3092
3093 double app_tminterval(int stop, int usertime)
3094 {
3095 double ret = 0;
3096 struct tms rus;
3097 clock_t now = times(&rus);
3098 static clock_t tmstart;
3099
3100 if (usertime)
3101 now = rus.tms_utime;
3102
3103 if (stop == TM_START)
3104 tmstart = now;
3105 else {
3106 long int tck = sysconf(_SC_CLK_TCK);
3107 ret = (now - tmstart) / (double)tck;
3108 }
3109
3110 return (ret);
3111 }
3112
3113 #else
3114 # include <sys/time.h>
3115 # include <sys/resource.h>
3116
3117 double app_tminterval(int stop, int usertime)
3118 {
3119 double ret = 0;
3120 struct rusage rus;
3121 struct timeval now;
3122 static struct timeval tmstart;
3123
3124 if (usertime)
3125 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
3126 else
3127 gettimeofday(&now, NULL);
3128
3129 if (stop == TM_START)
3130 tmstart = now;
3131 else
3132 ret = ((now.tv_sec + now.tv_usec * 1e-6)
3133 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
3134
3135 return ret;
3136 }
3137 #endif
3138
3139 /* app_isdir section */
3140 #ifdef _WIN32
3141 int app_isdir(const char *name)
3142 {
3143 HANDLE hList;
3144 WIN32_FIND_DATA FileData;
3145 # if defined(UNICODE) || defined(_UNICODE)
3146 size_t i, len_0 = strlen(name) + 1;
3147
3148 if (len_0 > sizeof(FileData.cFileName) / sizeof(FileData.cFileName[0]))
3149 return -1;
3150
3151 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
3152 if (!MultiByteToWideChar
3153 (CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
3154 # endif
3155 for (i = 0; i < len_0; i++)
3156 FileData.cFileName[i] = (WCHAR)name[i];
3157
3158 hList = FindFirstFile(FileData.cFileName, &FileData);
3159 # else
3160 hList = FindFirstFile(name, &FileData);
3161 # endif
3162 if (hList == INVALID_HANDLE_VALUE)
3163 return -1;
3164 FindClose(hList);
3165 return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
3166 }
3167 #else
3168 # include <sys/stat.h>
3169 # ifndef S_ISDIR
3170 # if defined(_S_IFMT) && defined(_S_IFDIR)
3171 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
3172 # else
3173 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
3174 # endif
3175 # endif
3176
3177 int app_isdir(const char *name)
3178 {
3179 # if defined(S_ISDIR)
3180 struct stat st;
3181
3182 if (stat(name, &st) == 0)
3183 return S_ISDIR(st.st_mode);
3184 else
3185 return -1;
3186 # else
3187 return -1;
3188 # endif
3189 }
3190 #endif
3191
3192 /* raw_read|write section */
3193 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
3194 int raw_read_stdin(void *buf, int siz)
3195 {
3196 DWORD n;
3197 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
3198 return (n);
3199 else
3200 return (-1);
3201 }
3202 #else
3203 int raw_read_stdin(void *buf, int siz)
3204 {
3205 return read(fileno(stdin), buf, siz);
3206 }
3207 #endif
3208
3209 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
3210 int raw_write_stdout(const void *buf, int siz)
3211 {
3212 DWORD n;
3213 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
3214 return (n);
3215 else
3216 return (-1);
3217 }
3218 #else
3219 int raw_write_stdout(const void *buf, int siz)
3220 {
3221 return write(fileno(stdout), buf, siz);
3222 }
3223 #endif
Tomato firmware and modifications.