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Rename some BUF_xxx to OPENSSL_xxx
[thirdparty/openssl.git] / apps / apps.c
1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
57 /* ====================================================================
58 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
59 *
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
62 * are met:
63 *
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
66 *
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
76 *
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
81 *
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
85 *
86 * 6. Redistributions of any form whatsoever must retain the following
87 * acknowledgment:
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
90 *
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
104 *
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
108 *
109 */
110
111 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
112 /*
113 * On VMS, you need to define this to get the declaration of fileno(). The
114 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
115 */
116 # define _POSIX_C_SOURCE 2
117 #endif
118 #include <stdio.h>
119 #include <stdlib.h>
120 #include <string.h>
121 #ifndef NO_SYS_TYPES_H
122 # include <sys/types.h>
123 #endif
124 #ifndef OPENSSL_NO_POSIX_IO
125 # include <sys/stat.h>
126 # include <fcntl.h>
127 #endif
128 #include <ctype.h>
129 #include <errno.h>
130 #include <openssl/err.h>
131 #include <openssl/x509.h>
132 #include <openssl/x509v3.h>
133 #include <openssl/pem.h>
134 #include <openssl/pkcs12.h>
135 #include <openssl/ui.h>
136 #include <openssl/safestack.h>
137 #ifndef OPENSSL_NO_ENGINE
138 # include <openssl/engine.h>
139 #endif
140 #ifndef OPENSSL_NO_RSA
141 # include <openssl/rsa.h>
142 #endif
143 #include <openssl/bn.h>
144 #ifndef OPENSSL_NO_JPAKE
145 # include <openssl/jpake.h>
146 #endif
147 #include <openssl/ssl.h>
148
149 #include "apps.h"
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 int app_init(long mesgwin);
170
171 int chopup_args(ARGS *arg, char *buf)
172 {
173 int quoted;
174 char c = '\0', *p = NULL;
175
176 arg->argc = 0;
177 if (arg->size == 0) {
178 arg->size = 20;
179 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
180 if (arg->argv == NULL)
181 return 0;
182 }
183
184 for (p = buf;;) {
185 /* Skip whitespace. */
186 while (*p && isspace(*p))
187 p++;
188 if (!*p)
189 break;
190
191 /* The start of something good :-) */
192 if (arg->argc >= arg->size) {
193 arg->size += 20;
194 arg->argv = OPENSSL_realloc(arg->argv,
195 sizeof(*arg->argv) * arg->size);
196 if (arg->argv == NULL)
197 return 0;
198 }
199 quoted = *p == '\'' || *p == '"';
200 if (quoted)
201 c = *p++;
202 arg->argv[arg->argc++] = p;
203
204 /* now look for the end of this */
205 if (quoted) {
206 while (*p && *p != c)
207 p++;
208 *p++ = '\0';
209 } else {
210 while (*p && !isspace(*p))
211 p++;
212 if (*p)
213 *p++ = '\0';
214 }
215 }
216 arg->argv[arg->argc] = NULL;
217 return (1);
218 }
219
220 #ifndef APP_INIT
221 int app_init(long mesgwin)
222 {
223 return (1);
224 }
225 #endif
226
227 int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
228 const char *CApath, int noCAfile, int noCApath)
229 {
230 if (CAfile == NULL && CApath == NULL) {
231 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
232 return 0;
233 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
234 return 0;
235
236 return 1;
237 }
238 return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
239 }
240
241 int dump_cert_text(BIO *out, X509 *x)
242 {
243 char *p;
244
245 p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
246 BIO_puts(out, "subject=");
247 BIO_puts(out, p);
248 OPENSSL_free(p);
249
250 p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
251 BIO_puts(out, "\nissuer=");
252 BIO_puts(out, p);
253 BIO_puts(out, "\n");
254 OPENSSL_free(p);
255
256 return 0;
257 }
258
259 static int ui_open(UI *ui)
260 {
261 return UI_method_get_opener(UI_OpenSSL())(ui);
262 }
263
264 static int ui_read(UI *ui, UI_STRING *uis)
265 {
266 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
267 && UI_get0_user_data(ui)) {
268 switch (UI_get_string_type(uis)) {
269 case UIT_PROMPT:
270 case UIT_VERIFY:
271 {
272 const char *password =
273 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
274 if (password && password[0] != '\0') {
275 UI_set_result(ui, uis, password);
276 return 1;
277 }
278 }
279 default:
280 break;
281 }
282 }
283 return UI_method_get_reader(UI_OpenSSL())(ui, uis);
284 }
285
286 static int ui_write(UI *ui, UI_STRING *uis)
287 {
288 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
289 && UI_get0_user_data(ui)) {
290 switch (UI_get_string_type(uis)) {
291 case UIT_PROMPT:
292 case UIT_VERIFY:
293 {
294 const char *password =
295 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
296 if (password && password[0] != '\0')
297 return 1;
298 }
299 default:
300 break;
301 }
302 }
303 return UI_method_get_writer(UI_OpenSSL())(ui, uis);
304 }
305
306 static int ui_close(UI *ui)
307 {
308 return UI_method_get_closer(UI_OpenSSL())(ui);
309 }
310
311 int setup_ui_method(void)
312 {
313 ui_method = UI_create_method("OpenSSL application user interface");
314 UI_method_set_opener(ui_method, ui_open);
315 UI_method_set_reader(ui_method, ui_read);
316 UI_method_set_writer(ui_method, ui_write);
317 UI_method_set_closer(ui_method, ui_close);
318 return 0;
319 }
320
321 void destroy_ui_method(void)
322 {
323 if (ui_method) {
324 UI_destroy_method(ui_method);
325 ui_method = NULL;
326 }
327 }
328
329 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
330 {
331 UI *ui = NULL;
332 int res = 0;
333 const char *prompt_info = NULL;
334 const char *password = NULL;
335 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
336
337 if (cb_data) {
338 if (cb_data->password)
339 password = cb_data->password;
340 if (cb_data->prompt_info)
341 prompt_info = cb_data->prompt_info;
342 }
343
344 if (password) {
345 res = strlen(password);
346 if (res > bufsiz)
347 res = bufsiz;
348 memcpy(buf, password, res);
349 return res;
350 }
351
352 ui = UI_new_method(ui_method);
353 if (ui) {
354 int ok = 0;
355 char *buff = NULL;
356 int ui_flags = 0;
357 char *prompt;
358
359 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
360 if (!prompt) {
361 BIO_printf(bio_err, "Out of memory\n");
362 UI_free(ui);
363 return 0;
364 }
365
366 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
367 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
368
369 if (ok >= 0)
370 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
371 PW_MIN_LENGTH, bufsiz - 1);
372 if (ok >= 0 && verify) {
373 buff = app_malloc(bufsiz, "password buffer");
374 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
375 PW_MIN_LENGTH, bufsiz - 1, buf);
376 }
377 if (ok >= 0)
378 do {
379 ok = UI_process(ui);
380 }
381 while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
382
383 OPENSSL_clear_free(buff, (unsigned int)bufsiz);
384
385 if (ok >= 0)
386 res = strlen(buf);
387 if (ok == -1) {
388 BIO_printf(bio_err, "User interface error\n");
389 ERR_print_errors(bio_err);
390 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
391 res = 0;
392 }
393 if (ok == -2) {
394 BIO_printf(bio_err, "aborted!\n");
395 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
396 res = 0;
397 }
398 UI_free(ui);
399 OPENSSL_free(prompt);
400 }
401 return res;
402 }
403
404 static char *app_get_pass(char *arg, int keepbio);
405
406 int app_passwd(char *arg1, char *arg2, char **pass1, char **pass2)
407 {
408 int same;
409 if (!arg2 || !arg1 || strcmp(arg1, arg2))
410 same = 0;
411 else
412 same = 1;
413 if (arg1) {
414 *pass1 = app_get_pass(arg1, same);
415 if (!*pass1)
416 return 0;
417 } else if (pass1)
418 *pass1 = NULL;
419 if (arg2) {
420 *pass2 = app_get_pass(arg2, same ? 2 : 0);
421 if (!*pass2)
422 return 0;
423 } else if (pass2)
424 *pass2 = NULL;
425 return 1;
426 }
427
428 static char *app_get_pass(char *arg, int keepbio)
429 {
430 char *tmp, tpass[APP_PASS_LEN];
431 static BIO *pwdbio = NULL;
432 int i;
433
434 if (strncmp(arg, "pass:", 5) == 0)
435 return OPENSSL_strdup(arg + 5);
436 if (strncmp(arg, "env:", 4) == 0) {
437 tmp = getenv(arg + 4);
438 if (!tmp) {
439 BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4);
440 return NULL;
441 }
442 return OPENSSL_strdup(tmp);
443 }
444 if (!keepbio || !pwdbio) {
445 if (strncmp(arg, "file:", 5) == 0) {
446 pwdbio = BIO_new_file(arg + 5, "r");
447 if (!pwdbio) {
448 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
449 return NULL;
450 }
451 #if !defined(_WIN32)
452 /*
453 * Under _WIN32, which covers even Win64 and CE, file
454 * descriptors referenced by BIO_s_fd are not inherited
455 * by child process and therefore below is not an option.
456 * It could have been an option if bss_fd.c was operating
457 * on real Windows descriptors, such as those obtained
458 * with CreateFile.
459 */
460 } else if (strncmp(arg, "fd:", 3) == 0) {
461 BIO *btmp;
462 i = atoi(arg + 3);
463 if (i >= 0)
464 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
465 if ((i < 0) || !pwdbio) {
466 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
467 return NULL;
468 }
469 /*
470 * Can't do BIO_gets on an fd BIO so add a buffering BIO
471 */
472 btmp = BIO_new(BIO_f_buffer());
473 pwdbio = BIO_push(btmp, pwdbio);
474 #endif
475 } else if (strcmp(arg, "stdin") == 0) {
476 pwdbio = dup_bio_in(FORMAT_TEXT);
477 if (!pwdbio) {
478 BIO_printf(bio_err, "Can't open BIO for stdin\n");
479 return NULL;
480 }
481 } else {
482 BIO_printf(bio_err, "Invalid password argument \"%s\"\n", arg);
483 return NULL;
484 }
485 }
486 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
487 if (keepbio != 1) {
488 BIO_free_all(pwdbio);
489 pwdbio = NULL;
490 }
491 if (i <= 0) {
492 BIO_printf(bio_err, "Error reading password from BIO\n");
493 return NULL;
494 }
495 tmp = strchr(tpass, '\n');
496 if (tmp)
497 *tmp = 0;
498 return OPENSSL_strdup(tpass);
499 }
500
501 static CONF *app_load_config_(BIO *in, const char *filename)
502 {
503 long errorline = -1;
504 CONF *conf;
505 int i;
506
507 conf = NCONF_new(NULL);
508 i = NCONF_load_bio(conf, in, &errorline);
509 if (i > 0)
510 return conf;
511
512 if (errorline <= 0)
513 BIO_printf(bio_err, "%s: Can't load config file \"%s\"\n",
514 opt_getprog(), filename);
515 else
516 BIO_printf(bio_err, "%s: Error on line %ld of config file \"%s\"\n",
517 opt_getprog(), errorline, filename);
518 NCONF_free(conf);
519 return NULL;
520 }
521 CONF *app_load_config(const char *filename)
522 {
523 BIO *in;
524 CONF *conf;
525
526 in = bio_open_default(filename, 'r', FORMAT_TEXT);
527 if (in == NULL)
528 return NULL;
529
530 conf = app_load_config_(in, filename);
531 BIO_free(in);
532 return conf;
533 }
534 CONF *app_load_config_quiet(const char *filename)
535 {
536 BIO *in;
537 CONF *conf;
538
539 in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
540 if (in == NULL)
541 return NULL;
542
543 conf = app_load_config_(in, filename);
544 BIO_free(in);
545 return conf;
546 }
547
548 int app_load_modules(const CONF *config)
549 {
550 CONF *to_free = NULL;
551
552 if (config == NULL)
553 config = to_free = app_load_config_quiet(default_config_file);
554 if (config == NULL)
555 return 1;
556
557 if (CONF_modules_load(config, NULL, 0) <= 0) {
558 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
559 ERR_print_errors(bio_err);
560 NCONF_free(to_free);
561 return 0;
562 }
563 NCONF_free(to_free);
564 return 1;
565 }
566
567 int add_oid_section(CONF *conf)
568 {
569 char *p;
570 STACK_OF(CONF_VALUE) *sktmp;
571 CONF_VALUE *cnf;
572 int i;
573
574 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
575 ERR_clear_error();
576 return 1;
577 }
578 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
579 BIO_printf(bio_err, "problem loading oid section %s\n", p);
580 return 0;
581 }
582 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
583 cnf = sk_CONF_VALUE_value(sktmp, i);
584 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
585 BIO_printf(bio_err, "problem creating object %s=%s\n",
586 cnf->name, cnf->value);
587 return 0;
588 }
589 }
590 return 1;
591 }
592
593 static int load_pkcs12(BIO *in, const char *desc,
594 pem_password_cb *pem_cb, void *cb_data,
595 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
596 {
597 const char *pass;
598 char tpass[PEM_BUFSIZE];
599 int len, ret = 0;
600 PKCS12 *p12;
601 p12 = d2i_PKCS12_bio(in, NULL);
602 if (p12 == NULL) {
603 BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
604 goto die;
605 }
606 /* See if an empty password will do */
607 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
608 pass = "";
609 else {
610 if (!pem_cb)
611 pem_cb = (pem_password_cb *)password_callback;
612 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
613 if (len < 0) {
614 BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
615 goto die;
616 }
617 if (len < PEM_BUFSIZE)
618 tpass[len] = 0;
619 if (!PKCS12_verify_mac(p12, tpass, len)) {
620 BIO_printf(bio_err,
621 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
622 desc);
623 goto die;
624 }
625 pass = tpass;
626 }
627 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
628 die:
629 PKCS12_free(p12);
630 return ret;
631 }
632
633 int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
634 {
635 char *host = NULL, *port = NULL, *path = NULL;
636 BIO *bio = NULL;
637 OCSP_REQ_CTX *rctx = NULL;
638 int use_ssl, rv = 0;
639 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
640 goto err;
641 if (use_ssl) {
642 BIO_puts(bio_err, "https not supported\n");
643 goto err;
644 }
645 bio = BIO_new_connect(host);
646 if (!bio || !BIO_set_conn_port(bio, port))
647 goto err;
648 rctx = OCSP_REQ_CTX_new(bio, 1024);
649 if (rctx == NULL)
650 goto err;
651 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
652 goto err;
653 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
654 goto err;
655 if (pcert) {
656 do {
657 rv = X509_http_nbio(rctx, pcert);
658 } while (rv == -1);
659 } else {
660 do {
661 rv = X509_CRL_http_nbio(rctx, pcrl);
662 } while (rv == -1);
663 }
664
665 err:
666 OPENSSL_free(host);
667 OPENSSL_free(path);
668 OPENSSL_free(port);
669 if (bio)
670 BIO_free_all(bio);
671 OCSP_REQ_CTX_free(rctx);
672 if (rv != 1) {
673 BIO_printf(bio_err, "Error loading %s from %s\n",
674 pcert ? "certificate" : "CRL", url);
675 ERR_print_errors(bio_err);
676 }
677 return rv;
678 }
679
680 X509 *load_cert(const char *file, int format,
681 const char *pass, ENGINE *e, const char *cert_descrip)
682 {
683 X509 *x = NULL;
684 BIO *cert;
685
686 if (format == FORMAT_HTTP) {
687 load_cert_crl_http(file, &x, NULL);
688 return x;
689 }
690
691 if (file == NULL) {
692 unbuffer(stdin);
693 cert = dup_bio_in(format);
694 } else
695 cert = bio_open_default(file, 'r', format);
696 if (cert == NULL)
697 goto end;
698
699 if (format == FORMAT_ASN1)
700 x = d2i_X509_bio(cert, NULL);
701 else if (format == FORMAT_PEM)
702 x = PEM_read_bio_X509_AUX(cert, NULL,
703 (pem_password_cb *)password_callback, NULL);
704 else if (format == FORMAT_PKCS12) {
705 if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
706 goto end;
707 } else {
708 BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
709 goto end;
710 }
711 end:
712 if (x == NULL) {
713 BIO_printf(bio_err, "unable to load certificate\n");
714 ERR_print_errors(bio_err);
715 }
716 BIO_free(cert);
717 return (x);
718 }
719
720 X509_CRL *load_crl(const char *infile, int format)
721 {
722 X509_CRL *x = NULL;
723 BIO *in = NULL;
724
725 if (format == FORMAT_HTTP) {
726 load_cert_crl_http(infile, NULL, &x);
727 return x;
728 }
729
730 in = bio_open_default(infile, 'r', format);
731 if (in == NULL)
732 goto end;
733 if (format == FORMAT_ASN1)
734 x = d2i_X509_CRL_bio(in, NULL);
735 else if (format == FORMAT_PEM)
736 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
737 else {
738 BIO_printf(bio_err, "bad input format specified for input crl\n");
739 goto end;
740 }
741 if (x == NULL) {
742 BIO_printf(bio_err, "unable to load CRL\n");
743 ERR_print_errors(bio_err);
744 goto end;
745 }
746
747 end:
748 BIO_free(in);
749 return (x);
750 }
751
752 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
753 const char *pass, ENGINE *e, const char *key_descrip)
754 {
755 BIO *key = NULL;
756 EVP_PKEY *pkey = NULL;
757 PW_CB_DATA cb_data;
758
759 cb_data.password = pass;
760 cb_data.prompt_info = file;
761
762 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
763 BIO_printf(bio_err, "no keyfile specified\n");
764 goto end;
765 }
766 #ifndef OPENSSL_NO_ENGINE
767 if (format == FORMAT_ENGINE) {
768 if (!e)
769 BIO_printf(bio_err, "no engine specified\n");
770 else {
771 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
772 if (!pkey) {
773 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
774 ERR_print_errors(bio_err);
775 }
776 }
777 goto end;
778 }
779 #endif
780 if (file == NULL && maybe_stdin) {
781 unbuffer(stdin);
782 key = dup_bio_in(format);
783 } else
784 key = bio_open_default(file, 'r', format);
785 if (key == NULL)
786 goto end;
787 if (format == FORMAT_ASN1) {
788 pkey = d2i_PrivateKey_bio(key, NULL);
789 } else if (format == FORMAT_PEM) {
790 pkey = PEM_read_bio_PrivateKey(key, NULL,
791 (pem_password_cb *)password_callback,
792 &cb_data);
793 }
794 else if (format == FORMAT_PKCS12) {
795 if (!load_pkcs12(key, key_descrip,
796 (pem_password_cb *)password_callback, &cb_data,
797 &pkey, NULL, NULL))
798 goto end;
799 }
800 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
801 else if (format == FORMAT_MSBLOB)
802 pkey = b2i_PrivateKey_bio(key);
803 else if (format == FORMAT_PVK)
804 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
805 &cb_data);
806 #endif
807 else {
808 BIO_printf(bio_err, "bad input format specified for key file\n");
809 goto end;
810 }
811 end:
812 BIO_free(key);
813 if (pkey == NULL) {
814 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
815 ERR_print_errors(bio_err);
816 }
817 return (pkey);
818 }
819
820 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
821 const char *pass, ENGINE *e, const char *key_descrip)
822 {
823 BIO *key = NULL;
824 EVP_PKEY *pkey = NULL;
825 PW_CB_DATA cb_data;
826
827 cb_data.password = pass;
828 cb_data.prompt_info = file;
829
830 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
831 BIO_printf(bio_err, "no keyfile specified\n");
832 goto end;
833 }
834 #ifndef OPENSSL_NO_ENGINE
835 if (format == FORMAT_ENGINE) {
836 if (!e)
837 BIO_printf(bio_err, "no engine specified\n");
838 else
839 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
840 goto end;
841 }
842 #endif
843 if (file == NULL && maybe_stdin) {
844 unbuffer(stdin);
845 key = dup_bio_in(format);
846 } else
847 key = bio_open_default(file, 'r', format);
848 if (key == NULL)
849 goto end;
850 if (format == FORMAT_ASN1) {
851 pkey = d2i_PUBKEY_bio(key, NULL);
852 }
853 #ifndef OPENSSL_NO_RSA
854 else if (format == FORMAT_ASN1RSA) {
855 RSA *rsa;
856 rsa = d2i_RSAPublicKey_bio(key, NULL);
857 if (rsa) {
858 pkey = EVP_PKEY_new();
859 if (pkey != NULL)
860 EVP_PKEY_set1_RSA(pkey, rsa);
861 RSA_free(rsa);
862 } else
863 pkey = NULL;
864 } else if (format == FORMAT_PEMRSA) {
865 RSA *rsa;
866 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
867 (pem_password_cb *)password_callback,
868 &cb_data);
869 if (rsa != NULL) {
870 pkey = EVP_PKEY_new();
871 if (pkey != NULL)
872 EVP_PKEY_set1_RSA(pkey, rsa);
873 RSA_free(rsa);
874 } else
875 pkey = NULL;
876 }
877 #endif
878 else if (format == FORMAT_PEM) {
879 pkey = PEM_read_bio_PUBKEY(key, NULL,
880 (pem_password_cb *)password_callback,
881 &cb_data);
882 }
883 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
884 else if (format == FORMAT_MSBLOB)
885 pkey = b2i_PublicKey_bio(key);
886 #endif
887 end:
888 BIO_free(key);
889 if (pkey == NULL)
890 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
891 return (pkey);
892 }
893
894 static int load_certs_crls(const char *file, int format,
895 const char *pass, ENGINE *e, const char *desc,
896 STACK_OF(X509) **pcerts,
897 STACK_OF(X509_CRL) **pcrls)
898 {
899 int i;
900 BIO *bio;
901 STACK_OF(X509_INFO) *xis = NULL;
902 X509_INFO *xi;
903 PW_CB_DATA cb_data;
904 int rv = 0;
905
906 cb_data.password = pass;
907 cb_data.prompt_info = file;
908
909 if (format != FORMAT_PEM) {
910 BIO_printf(bio_err, "bad input format specified for %s\n", desc);
911 return 0;
912 }
913
914 bio = bio_open_default(file, 'r', FORMAT_PEM);
915 if (bio == NULL)
916 return 0;
917
918 xis = PEM_X509_INFO_read_bio(bio, NULL,
919 (pem_password_cb *)password_callback,
920 &cb_data);
921
922 BIO_free(bio);
923
924 if (pcerts) {
925 *pcerts = sk_X509_new_null();
926 if (!*pcerts)
927 goto end;
928 }
929
930 if (pcrls) {
931 *pcrls = sk_X509_CRL_new_null();
932 if (!*pcrls)
933 goto end;
934 }
935
936 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
937 xi = sk_X509_INFO_value(xis, i);
938 if (xi->x509 && pcerts) {
939 if (!sk_X509_push(*pcerts, xi->x509))
940 goto end;
941 xi->x509 = NULL;
942 }
943 if (xi->crl && pcrls) {
944 if (!sk_X509_CRL_push(*pcrls, xi->crl))
945 goto end;
946 xi->crl = NULL;
947 }
948 }
949
950 if (pcerts && sk_X509_num(*pcerts) > 0)
951 rv = 1;
952
953 if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
954 rv = 1;
955
956 end:
957
958 sk_X509_INFO_pop_free(xis, X509_INFO_free);
959
960 if (rv == 0) {
961 if (pcerts) {
962 sk_X509_pop_free(*pcerts, X509_free);
963 *pcerts = NULL;
964 }
965 if (pcrls) {
966 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
967 *pcrls = NULL;
968 }
969 BIO_printf(bio_err, "unable to load %s\n",
970 pcerts ? "certificates" : "CRLs");
971 ERR_print_errors(bio_err);
972 }
973 return rv;
974 }
975
976 void* app_malloc(int sz, const char *what)
977 {
978 void *vp = OPENSSL_malloc(sz);
979
980 if (vp == NULL) {
981 BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
982 opt_getprog(), sz, what);
983 ERR_print_errors(bio_err);
984 exit(1);
985 }
986 return vp;
987 }
988
989
990
991 STACK_OF(X509) *load_certs(const char *file, int format,
992 const char *pass, ENGINE *e, const char *desc)
993 {
994 STACK_OF(X509) *certs;
995 if (!load_certs_crls(file, format, pass, e, desc, &certs, NULL))
996 return NULL;
997 return certs;
998 }
999
1000 STACK_OF(X509_CRL) *load_crls(const char *file, int format,
1001 const char *pass, ENGINE *e, const char *desc)
1002 {
1003 STACK_OF(X509_CRL) *crls;
1004 if (!load_certs_crls(file, format, pass, e, desc, NULL, &crls))
1005 return NULL;
1006 return crls;
1007 }
1008
1009 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1010 /* Return error for unknown extensions */
1011 #define X509V3_EXT_DEFAULT 0
1012 /* Print error for unknown extensions */
1013 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1014 /* ASN1 parse unknown extensions */
1015 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1016 /* BIO_dump unknown extensions */
1017 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1018
1019 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1020 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1021
1022 int set_cert_ex(unsigned long *flags, const char *arg)
1023 {
1024 static const NAME_EX_TBL cert_tbl[] = {
1025 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1026 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1027 {"no_header", X509_FLAG_NO_HEADER, 0},
1028 {"no_version", X509_FLAG_NO_VERSION, 0},
1029 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1030 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1031 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1032 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1033 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1034 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1035 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1036 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1037 {"no_aux", X509_FLAG_NO_AUX, 0},
1038 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1039 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1040 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1041 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1042 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1043 {NULL, 0, 0}
1044 };
1045 return set_multi_opts(flags, arg, cert_tbl);
1046 }
1047
1048 int set_name_ex(unsigned long *flags, const char *arg)
1049 {
1050 static const NAME_EX_TBL ex_tbl[] = {
1051 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1052 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1053 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1054 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1055 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1056 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1057 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1058 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1059 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1060 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1061 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1062 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1063 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1064 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1065 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1066 {"dn_rev", XN_FLAG_DN_REV, 0},
1067 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1068 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1069 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1070 {"align", XN_FLAG_FN_ALIGN, 0},
1071 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1072 {"space_eq", XN_FLAG_SPC_EQ, 0},
1073 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1074 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1075 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1076 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1077 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1078 {NULL, 0, 0}
1079 };
1080 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1081 return 0;
1082 if ((*flags & XN_FLAG_SEP_MASK) == 0)
1083 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1084 return 1;
1085 }
1086
1087 int set_ext_copy(int *copy_type, const char *arg)
1088 {
1089 if (strcasecmp(arg, "none") == 0)
1090 *copy_type = EXT_COPY_NONE;
1091 else if (strcasecmp(arg, "copy") == 0)
1092 *copy_type = EXT_COPY_ADD;
1093 else if (strcasecmp(arg, "copyall") == 0)
1094 *copy_type = EXT_COPY_ALL;
1095 else
1096 return 0;
1097 return 1;
1098 }
1099
1100 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1101 {
1102 STACK_OF(X509_EXTENSION) *exts = NULL;
1103 X509_EXTENSION *ext, *tmpext;
1104 ASN1_OBJECT *obj;
1105 int i, idx, ret = 0;
1106 if (!x || !req || (copy_type == EXT_COPY_NONE))
1107 return 1;
1108 exts = X509_REQ_get_extensions(req);
1109
1110 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1111 ext = sk_X509_EXTENSION_value(exts, i);
1112 obj = X509_EXTENSION_get_object(ext);
1113 idx = X509_get_ext_by_OBJ(x, obj, -1);
1114 /* Does extension exist? */
1115 if (idx != -1) {
1116 /* If normal copy don't override existing extension */
1117 if (copy_type == EXT_COPY_ADD)
1118 continue;
1119 /* Delete all extensions of same type */
1120 do {
1121 tmpext = X509_get_ext(x, idx);
1122 X509_delete_ext(x, idx);
1123 X509_EXTENSION_free(tmpext);
1124 idx = X509_get_ext_by_OBJ(x, obj, -1);
1125 } while (idx != -1);
1126 }
1127 if (!X509_add_ext(x, ext, -1))
1128 goto end;
1129 }
1130
1131 ret = 1;
1132
1133 end:
1134
1135 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1136
1137 return ret;
1138 }
1139
1140 static int set_multi_opts(unsigned long *flags, const char *arg,
1141 const NAME_EX_TBL * in_tbl)
1142 {
1143 STACK_OF(CONF_VALUE) *vals;
1144 CONF_VALUE *val;
1145 int i, ret = 1;
1146 if (!arg)
1147 return 0;
1148 vals = X509V3_parse_list(arg);
1149 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1150 val = sk_CONF_VALUE_value(vals, i);
1151 if (!set_table_opts(flags, val->name, in_tbl))
1152 ret = 0;
1153 }
1154 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1155 return ret;
1156 }
1157
1158 static int set_table_opts(unsigned long *flags, const char *arg,
1159 const NAME_EX_TBL * in_tbl)
1160 {
1161 char c;
1162 const NAME_EX_TBL *ptbl;
1163 c = arg[0];
1164
1165 if (c == '-') {
1166 c = 0;
1167 arg++;
1168 } else if (c == '+') {
1169 c = 1;
1170 arg++;
1171 } else
1172 c = 1;
1173
1174 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1175 if (strcasecmp(arg, ptbl->name) == 0) {
1176 *flags &= ~ptbl->mask;
1177 if (c)
1178 *flags |= ptbl->flag;
1179 else
1180 *flags &= ~ptbl->flag;
1181 return 1;
1182 }
1183 }
1184 return 0;
1185 }
1186
1187 void print_name(BIO *out, const char *title, X509_NAME *nm,
1188 unsigned long lflags)
1189 {
1190 char *buf;
1191 char mline = 0;
1192 int indent = 0;
1193
1194 if (title)
1195 BIO_puts(out, title);
1196 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1197 mline = 1;
1198 indent = 4;
1199 }
1200 if (lflags == XN_FLAG_COMPAT) {
1201 buf = X509_NAME_oneline(nm, 0, 0);
1202 BIO_puts(out, buf);
1203 BIO_puts(out, "\n");
1204 OPENSSL_free(buf);
1205 } else {
1206 if (mline)
1207 BIO_puts(out, "\n");
1208 X509_NAME_print_ex(out, nm, indent, lflags);
1209 BIO_puts(out, "\n");
1210 }
1211 }
1212
1213 void print_bignum_var(BIO *out, BIGNUM *in, const char *var,
1214 int len, unsigned char *buffer)
1215 {
1216 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1217 if (BN_is_zero(in))
1218 BIO_printf(out, "\n\t0x00");
1219 else {
1220 int i, l;
1221
1222 l = BN_bn2bin(in, buffer);
1223 for (i = 0; i < l; i++) {
1224 if ((i % 10) == 0)
1225 BIO_printf(out, "\n\t");
1226 if (i < l - 1)
1227 BIO_printf(out, "0x%02X, ", buffer[i]);
1228 else
1229 BIO_printf(out, "0x%02X", buffer[i]);
1230 }
1231 }
1232 BIO_printf(out, "\n };\n");
1233 }
1234 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1235 {
1236 int i;
1237
1238 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1239 for (i = 0; i < len; i++) {
1240 if ((i % 10) == 0)
1241 BIO_printf(out, "\n ");
1242 if (i < len - 1)
1243 BIO_printf(out, "0x%02X, ", d[i]);
1244 else
1245 BIO_printf(out, "0x%02X", d[i]);
1246 }
1247 BIO_printf(out, "\n};\n");
1248 }
1249
1250 X509_STORE *setup_verify(char *CAfile, char *CApath, int noCAfile, int noCApath)
1251 {
1252 X509_STORE *store = X509_STORE_new();
1253 X509_LOOKUP *lookup;
1254
1255 if (store == NULL)
1256 goto end;
1257
1258 if(CAfile != NULL || !noCAfile) {
1259 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1260 if (lookup == NULL)
1261 goto end;
1262 if (CAfile) {
1263 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1264 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1265 goto end;
1266 }
1267 } else
1268 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1269 }
1270
1271 if(CApath != NULL || !noCApath) {
1272 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1273 if (lookup == NULL)
1274 goto end;
1275 if (CApath) {
1276 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1277 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1278 goto end;
1279 }
1280 } else
1281 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1282 }
1283
1284 ERR_clear_error();
1285 return store;
1286 end:
1287 X509_STORE_free(store);
1288 return NULL;
1289 }
1290
1291 #ifndef OPENSSL_NO_ENGINE
1292 /* Try to load an engine in a shareable library */
1293 static ENGINE *try_load_engine(const char *engine, int debug)
1294 {
1295 ENGINE *e = ENGINE_by_id("dynamic");
1296 if (e) {
1297 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1298 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1299 ENGINE_free(e);
1300 e = NULL;
1301 }
1302 }
1303 return e;
1304 }
1305
1306 ENGINE *setup_engine(const char *engine, int debug)
1307 {
1308 ENGINE *e = NULL;
1309
1310 if (engine) {
1311 if (strcmp(engine, "auto") == 0) {
1312 BIO_printf(bio_err, "enabling auto ENGINE support\n");
1313 ENGINE_register_all_complete();
1314 return NULL;
1315 }
1316 if ((e = ENGINE_by_id(engine)) == NULL
1317 && (e = try_load_engine(engine, debug)) == NULL) {
1318 BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
1319 ERR_print_errors(bio_err);
1320 return NULL;
1321 }
1322 if (debug) {
1323 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1324 }
1325 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1326 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1327 BIO_printf(bio_err, "can't use that engine\n");
1328 ERR_print_errors(bio_err);
1329 ENGINE_free(e);
1330 return NULL;
1331 }
1332
1333 BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1334
1335 /* Free our "structural" reference. */
1336 ENGINE_free(e);
1337 }
1338 return e;
1339 }
1340 #endif
1341
1342 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1343 {
1344 const char *n;
1345
1346 n = a[DB_serial];
1347 while (*n == '0')
1348 n++;
1349 return (lh_strhash(n));
1350 }
1351
1352 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1353 const OPENSSL_CSTRING *b)
1354 {
1355 const char *aa, *bb;
1356
1357 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1358 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1359 return (strcmp(aa, bb));
1360 }
1361
1362 static int index_name_qual(char **a)
1363 {
1364 return (a[0][0] == 'V');
1365 }
1366
1367 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1368 {
1369 return (lh_strhash(a[DB_name]));
1370 }
1371
1372 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1373 {
1374 return (strcmp(a[DB_name], b[DB_name]));
1375 }
1376
1377 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1378 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1379 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1380 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1381 #undef BSIZE
1382 #define BSIZE 256
1383 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1384 {
1385 BIO *in = NULL;
1386 BIGNUM *ret = NULL;
1387 char buf[1024];
1388 ASN1_INTEGER *ai = NULL;
1389
1390 ai = ASN1_INTEGER_new();
1391 if (ai == NULL)
1392 goto err;
1393
1394 in = BIO_new_file(serialfile, "r");
1395 if (in == NULL) {
1396 if (!create) {
1397 perror(serialfile);
1398 goto err;
1399 }
1400 ERR_clear_error();
1401 ret = BN_new();
1402 if (ret == NULL || !rand_serial(ret, ai))
1403 BIO_printf(bio_err, "Out of memory\n");
1404 } else {
1405 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1406 BIO_printf(bio_err, "unable to load number from %s\n",
1407 serialfile);
1408 goto err;
1409 }
1410 ret = ASN1_INTEGER_to_BN(ai, NULL);
1411 if (ret == NULL) {
1412 BIO_printf(bio_err,
1413 "error converting number from bin to BIGNUM\n");
1414 goto err;
1415 }
1416 }
1417
1418 if (ret && retai) {
1419 *retai = ai;
1420 ai = NULL;
1421 }
1422 err:
1423 BIO_free(in);
1424 ASN1_INTEGER_free(ai);
1425 return (ret);
1426 }
1427
1428 int save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1429 ASN1_INTEGER **retai)
1430 {
1431 char buf[1][BSIZE];
1432 BIO *out = NULL;
1433 int ret = 0;
1434 ASN1_INTEGER *ai = NULL;
1435 int j;
1436
1437 if (suffix == NULL)
1438 j = strlen(serialfile);
1439 else
1440 j = strlen(serialfile) + strlen(suffix) + 1;
1441 if (j >= BSIZE) {
1442 BIO_printf(bio_err, "file name too long\n");
1443 goto err;
1444 }
1445
1446 if (suffix == NULL)
1447 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1448 else {
1449 #ifndef OPENSSL_SYS_VMS
1450 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1451 #else
1452 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1453 #endif
1454 }
1455 #ifdef RL_DEBUG
1456 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1457 #endif
1458 out = BIO_new_file(buf[0], "w");
1459 if (out == NULL) {
1460 ERR_print_errors(bio_err);
1461 goto err;
1462 }
1463
1464 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1465 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1466 goto err;
1467 }
1468 i2a_ASN1_INTEGER(out, ai);
1469 BIO_puts(out, "\n");
1470 ret = 1;
1471 if (retai) {
1472 *retai = ai;
1473 ai = NULL;
1474 }
1475 err:
1476 BIO_free_all(out);
1477 ASN1_INTEGER_free(ai);
1478 return (ret);
1479 }
1480
1481 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1482 {
1483 char buf[5][BSIZE];
1484 int i, j;
1485
1486 i = strlen(serialfile) + strlen(old_suffix);
1487 j = strlen(serialfile) + strlen(new_suffix);
1488 if (i > j)
1489 j = i;
1490 if (j + 1 >= BSIZE) {
1491 BIO_printf(bio_err, "file name too long\n");
1492 goto err;
1493 }
1494 #ifndef OPENSSL_SYS_VMS
1495 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
1496 #else
1497 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix);
1498 #endif
1499 #ifndef OPENSSL_SYS_VMS
1500 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
1501 #else
1502 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix);
1503 #endif
1504 #ifdef RL_DEBUG
1505 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1506 serialfile, buf[1]);
1507 #endif
1508 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1509 #ifdef ENOTDIR
1510 && errno != ENOTDIR
1511 #endif
1512 ) {
1513 BIO_printf(bio_err,
1514 "unable to rename %s to %s\n", serialfile, buf[1]);
1515 perror("reason");
1516 goto err;
1517 }
1518 #ifdef RL_DEBUG
1519 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1520 buf[0], serialfile);
1521 #endif
1522 if (rename(buf[0], serialfile) < 0) {
1523 BIO_printf(bio_err,
1524 "unable to rename %s to %s\n", buf[0], serialfile);
1525 perror("reason");
1526 rename(buf[1], serialfile);
1527 goto err;
1528 }
1529 return 1;
1530 err:
1531 return 0;
1532 }
1533
1534 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1535 {
1536 BIGNUM *btmp;
1537 int ret = 0;
1538
1539 if (b)
1540 btmp = b;
1541 else
1542 btmp = BN_new();
1543
1544 if (btmp == NULL)
1545 return 0;
1546
1547 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1548 goto error;
1549 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1550 goto error;
1551
1552 ret = 1;
1553
1554 error:
1555
1556 if (btmp != b)
1557 BN_free(btmp);
1558
1559 return ret;
1560 }
1561
1562 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1563 {
1564 CA_DB *retdb = NULL;
1565 TXT_DB *tmpdb = NULL;
1566 BIO *in;
1567 CONF *dbattr_conf = NULL;
1568 char buf[BSIZE];
1569
1570 in = BIO_new_file(dbfile, "r");
1571 if (in == NULL) {
1572 ERR_print_errors(bio_err);
1573 goto err;
1574 }
1575 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1576 goto err;
1577
1578 #ifndef OPENSSL_SYS_VMS
1579 BIO_snprintf(buf, sizeof buf, "%s.attr", dbfile);
1580 #else
1581 BIO_snprintf(buf, sizeof buf, "%s-attr", dbfile);
1582 #endif
1583 dbattr_conf = app_load_config(buf);
1584
1585 retdb = app_malloc(sizeof(*retdb), "new DB");
1586 retdb->db = tmpdb;
1587 tmpdb = NULL;
1588 if (db_attr)
1589 retdb->attributes = *db_attr;
1590 else {
1591 retdb->attributes.unique_subject = 1;
1592 }
1593
1594 if (dbattr_conf) {
1595 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1596 if (p) {
1597 #ifdef RL_DEBUG
1598 BIO_printf(bio_err,
1599 "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1600 #endif
1601 retdb->attributes.unique_subject = parse_yesno(p, 1);
1602 }
1603 }
1604
1605 err:
1606 NCONF_free(dbattr_conf);
1607 TXT_DB_free(tmpdb);
1608 BIO_free_all(in);
1609 return retdb;
1610 }
1611
1612 int index_index(CA_DB *db)
1613 {
1614 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1615 LHASH_HASH_FN(index_serial),
1616 LHASH_COMP_FN(index_serial))) {
1617 BIO_printf(bio_err,
1618 "error creating serial number index:(%ld,%ld,%ld)\n",
1619 db->db->error, db->db->arg1, db->db->arg2);
1620 return 0;
1621 }
1622
1623 if (db->attributes.unique_subject
1624 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1625 LHASH_HASH_FN(index_name),
1626 LHASH_COMP_FN(index_name))) {
1627 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1628 db->db->error, db->db->arg1, db->db->arg2);
1629 return 0;
1630 }
1631 return 1;
1632 }
1633
1634 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1635 {
1636 char buf[3][BSIZE];
1637 BIO *out;
1638 int j;
1639
1640 j = strlen(dbfile) + strlen(suffix);
1641 if (j + 6 >= BSIZE) {
1642 BIO_printf(bio_err, "file name too long\n");
1643 goto err;
1644 }
1645 #ifndef OPENSSL_SYS_VMS
1646 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1647 #else
1648 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1649 #endif
1650 #ifndef OPENSSL_SYS_VMS
1651 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1652 #else
1653 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1654 #endif
1655 #ifndef OPENSSL_SYS_VMS
1656 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1657 #else
1658 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1659 #endif
1660 #ifdef RL_DEBUG
1661 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1662 #endif
1663 out = BIO_new_file(buf[0], "w");
1664 if (out == NULL) {
1665 perror(dbfile);
1666 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1667 goto err;
1668 }
1669 j = TXT_DB_write(out, db->db);
1670 BIO_free(out);
1671 if (j <= 0)
1672 goto err;
1673
1674 out = BIO_new_file(buf[1], "w");
1675 #ifdef RL_DEBUG
1676 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1677 #endif
1678 if (out == NULL) {
1679 perror(buf[2]);
1680 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1681 goto err;
1682 }
1683 BIO_printf(out, "unique_subject = %s\n",
1684 db->attributes.unique_subject ? "yes" : "no");
1685 BIO_free(out);
1686
1687 return 1;
1688 err:
1689 return 0;
1690 }
1691
1692 int rotate_index(const char *dbfile, const char *new_suffix,
1693 const char *old_suffix)
1694 {
1695 char buf[5][BSIZE];
1696 int i, j;
1697
1698 i = strlen(dbfile) + strlen(old_suffix);
1699 j = strlen(dbfile) + strlen(new_suffix);
1700 if (i > j)
1701 j = i;
1702 if (j + 6 >= BSIZE) {
1703 BIO_printf(bio_err, "file name too long\n");
1704 goto err;
1705 }
1706 #ifndef OPENSSL_SYS_VMS
1707 j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1708 #else
1709 j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1710 #endif
1711 #ifndef OPENSSL_SYS_VMS
1712 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
1713 #else
1714 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix);
1715 #endif
1716 #ifndef OPENSSL_SYS_VMS
1717 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
1718 #else
1719 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix);
1720 #endif
1721 #ifndef OPENSSL_SYS_VMS
1722 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
1723 #else
1724 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix);
1725 #endif
1726 #ifndef OPENSSL_SYS_VMS
1727 j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
1728 #else
1729 j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix);
1730 #endif
1731 #ifdef RL_DEBUG
1732 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]);
1733 #endif
1734 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1735 #ifdef ENOTDIR
1736 && errno != ENOTDIR
1737 #endif
1738 ) {
1739 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1740 perror("reason");
1741 goto err;
1742 }
1743 #ifdef RL_DEBUG
1744 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile);
1745 #endif
1746 if (rename(buf[0], dbfile) < 0) {
1747 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1748 perror("reason");
1749 rename(buf[1], dbfile);
1750 goto err;
1751 }
1752 #ifdef RL_DEBUG
1753 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]);
1754 #endif
1755 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1756 #ifdef ENOTDIR
1757 && errno != ENOTDIR
1758 #endif
1759 ) {
1760 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1761 perror("reason");
1762 rename(dbfile, buf[0]);
1763 rename(buf[1], dbfile);
1764 goto err;
1765 }
1766 #ifdef RL_DEBUG
1767 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]);
1768 #endif
1769 if (rename(buf[2], buf[4]) < 0) {
1770 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1771 perror("reason");
1772 rename(buf[3], buf[4]);
1773 rename(dbfile, buf[0]);
1774 rename(buf[1], dbfile);
1775 goto err;
1776 }
1777 return 1;
1778 err:
1779 return 0;
1780 }
1781
1782 void free_index(CA_DB *db)
1783 {
1784 if (db) {
1785 TXT_DB_free(db->db);
1786 OPENSSL_free(db);
1787 }
1788 }
1789
1790 int parse_yesno(const char *str, int def)
1791 {
1792 if (str) {
1793 switch (*str) {
1794 case 'f': /* false */
1795 case 'F': /* FALSE */
1796 case 'n': /* no */
1797 case 'N': /* NO */
1798 case '0': /* 0 */
1799 return 0;
1800 case 't': /* true */
1801 case 'T': /* TRUE */
1802 case 'y': /* yes */
1803 case 'Y': /* YES */
1804 case '1': /* 1 */
1805 return 1;
1806 }
1807 }
1808 return def;
1809 }
1810
1811 /*
1812 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1813 * where characters may be escaped by \
1814 */
1815 X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
1816 {
1817 int nextismulti = 0;
1818 char *work;
1819 X509_NAME *n;
1820
1821 if (*cp++ != '/')
1822 return NULL;
1823
1824 n = X509_NAME_new();
1825 if (n == NULL)
1826 return NULL;
1827 work = OPENSSL_strdup(cp);
1828 if (work == NULL)
1829 goto err;
1830
1831 while (*cp) {
1832 char *bp = work;
1833 char *typestr = bp;
1834 unsigned char *valstr;
1835 int nid;
1836 int ismulti = nextismulti;
1837 nextismulti = 0;
1838
1839 /* Collect the type */
1840 while (*cp && *cp != '=')
1841 *bp++ = *cp++;
1842 if (*cp == '\0') {
1843 BIO_printf(bio_err,
1844 "%s: Hit end of string before finding the equals.\n",
1845 opt_getprog());
1846 goto err;
1847 }
1848 *bp++ = '\0';
1849 ++cp;
1850
1851 /* Collect the value. */
1852 valstr = (unsigned char *)bp;
1853 for (; *cp && *cp != '/'; *bp++ = *cp++) {
1854 if (canmulti && *cp == '+') {
1855 nextismulti = 1;
1856 break;
1857 }
1858 if (*cp == '\\' && *++cp == '\0') {
1859 BIO_printf(bio_err,
1860 "%s: escape character at end of string\n",
1861 opt_getprog());
1862 goto err;
1863 }
1864 }
1865 *bp++ = '\0';
1866
1867 /* If not at EOS (must be + or /), move forward. */
1868 if (*cp)
1869 ++cp;
1870
1871 /* Parse */
1872 nid = OBJ_txt2nid(typestr);
1873 if (nid == NID_undef) {
1874 BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n",
1875 opt_getprog(), typestr);
1876 continue;
1877 }
1878 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1879 valstr, strlen((char *)valstr),
1880 -1, ismulti ? -1 : 0))
1881 goto err;
1882 }
1883
1884 OPENSSL_free(work);
1885 return n;
1886
1887 err:
1888 X509_NAME_free(n);
1889 OPENSSL_free(work);
1890 return NULL;
1891 }
1892
1893 /*
1894 * Read whole contents of a BIO into an allocated memory buffer and return
1895 * it.
1896 */
1897
1898 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1899 {
1900 BIO *mem;
1901 int len, ret;
1902 unsigned char tbuf[1024];
1903 mem = BIO_new(BIO_s_mem());
1904 if (mem == NULL)
1905 return -1;
1906 for (;;) {
1907 if ((maxlen != -1) && maxlen < 1024)
1908 len = maxlen;
1909 else
1910 len = 1024;
1911 len = BIO_read(in, tbuf, len);
1912 if (len <= 0)
1913 break;
1914 if (BIO_write(mem, tbuf, len) != len) {
1915 BIO_free(mem);
1916 return -1;
1917 }
1918 maxlen -= len;
1919
1920 if (maxlen == 0)
1921 break;
1922 }
1923 ret = BIO_get_mem_data(mem, (char **)out);
1924 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1925 BIO_free(mem);
1926 return ret;
1927 }
1928
1929 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
1930 {
1931 int rv;
1932 char *stmp, *vtmp = NULL;
1933 stmp = OPENSSL_strdup(value);
1934 if (!stmp)
1935 return -1;
1936 vtmp = strchr(stmp, ':');
1937 if (vtmp) {
1938 *vtmp = 0;
1939 vtmp++;
1940 }
1941 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1942 OPENSSL_free(stmp);
1943 return rv;
1944 }
1945
1946 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1947 {
1948 X509_POLICY_NODE *node;
1949 int i;
1950
1951 BIO_printf(bio_err, "%s Policies:", name);
1952 if (nodes) {
1953 BIO_puts(bio_err, "\n");
1954 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1955 node = sk_X509_POLICY_NODE_value(nodes, i);
1956 X509_POLICY_NODE_print(bio_err, node, 2);
1957 }
1958 } else
1959 BIO_puts(bio_err, " <empty>\n");
1960 }
1961
1962 void policies_print(X509_STORE_CTX *ctx)
1963 {
1964 X509_POLICY_TREE *tree;
1965 int explicit_policy;
1966 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1967 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1968
1969 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1970 explicit_policy ? "True" : "False");
1971
1972 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1973 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1974 }
1975
1976 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1977
1978 static JPAKE_CTX *jpake_init(const char *us, const char *them,
1979 const char *secret)
1980 {
1981 BIGNUM *p = NULL;
1982 BIGNUM *g = NULL;
1983 BIGNUM *q = NULL;
1984 BIGNUM *bnsecret = BN_new();
1985 JPAKE_CTX *ctx;
1986
1987 /* Use a safe prime for p (that we found earlier) */
1988 BN_hex2bn(&p,
1989 "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
1990 g = BN_new();
1991 BN_set_word(g, 2);
1992 q = BN_new();
1993 BN_rshift1(q, p);
1994
1995 BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
1996
1997 ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
1998 BN_free(bnsecret);
1999 BN_free(q);
2000 BN_free(g);
2001 BN_free(p);
2002
2003 return ctx;
2004 }
2005
2006 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2007 {
2008 BN_print(conn, p->gx);
2009 BIO_puts(conn, "\n");
2010 BN_print(conn, p->zkpx.gr);
2011 BIO_puts(conn, "\n");
2012 BN_print(conn, p->zkpx.b);
2013 BIO_puts(conn, "\n");
2014 }
2015
2016 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2017 {
2018 JPAKE_STEP1 s1;
2019
2020 JPAKE_STEP1_init(&s1);
2021 JPAKE_STEP1_generate(&s1, ctx);
2022 jpake_send_part(bconn, &s1.p1);
2023 jpake_send_part(bconn, &s1.p2);
2024 (void)BIO_flush(bconn);
2025 JPAKE_STEP1_release(&s1);
2026 }
2027
2028 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2029 {
2030 JPAKE_STEP2 s2;
2031
2032 JPAKE_STEP2_init(&s2);
2033 JPAKE_STEP2_generate(&s2, ctx);
2034 jpake_send_part(bconn, &s2);
2035 (void)BIO_flush(bconn);
2036 JPAKE_STEP2_release(&s2);
2037 }
2038
2039 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2040 {
2041 JPAKE_STEP3A s3a;
2042
2043 JPAKE_STEP3A_init(&s3a);
2044 JPAKE_STEP3A_generate(&s3a, ctx);
2045 BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2046 (void)BIO_flush(bconn);
2047 JPAKE_STEP3A_release(&s3a);
2048 }
2049
2050 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2051 {
2052 JPAKE_STEP3B s3b;
2053
2054 JPAKE_STEP3B_init(&s3b);
2055 JPAKE_STEP3B_generate(&s3b, ctx);
2056 BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2057 (void)BIO_flush(bconn);
2058 JPAKE_STEP3B_release(&s3b);
2059 }
2060
2061 static void readbn(BIGNUM **bn, BIO *bconn)
2062 {
2063 char buf[10240];
2064 int l;
2065
2066 l = BIO_gets(bconn, buf, sizeof buf);
2067 assert(l > 0);
2068 assert(buf[l - 1] == '\n');
2069 buf[l - 1] = '\0';
2070 BN_hex2bn(bn, buf);
2071 }
2072
2073 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2074 {
2075 readbn(&p->gx, bconn);
2076 readbn(&p->zkpx.gr, bconn);
2077 readbn(&p->zkpx.b, bconn);
2078 }
2079
2080 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2081 {
2082 JPAKE_STEP1 s1;
2083
2084 JPAKE_STEP1_init(&s1);
2085 jpake_receive_part(&s1.p1, bconn);
2086 jpake_receive_part(&s1.p2, bconn);
2087 if (!JPAKE_STEP1_process(ctx, &s1)) {
2088 ERR_print_errors(bio_err);
2089 exit(1);
2090 }
2091 JPAKE_STEP1_release(&s1);
2092 }
2093
2094 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2095 {
2096 JPAKE_STEP2 s2;
2097
2098 JPAKE_STEP2_init(&s2);
2099 jpake_receive_part(&s2, bconn);
2100 if (!JPAKE_STEP2_process(ctx, &s2)) {
2101 ERR_print_errors(bio_err);
2102 exit(1);
2103 }
2104 JPAKE_STEP2_release(&s2);
2105 }
2106
2107 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2108 {
2109 JPAKE_STEP3A s3a;
2110 int l;
2111
2112 JPAKE_STEP3A_init(&s3a);
2113 l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2114 assert(l == sizeof s3a.hhk);
2115 if (!JPAKE_STEP3A_process(ctx, &s3a)) {
2116 ERR_print_errors(bio_err);
2117 exit(1);
2118 }
2119 JPAKE_STEP3A_release(&s3a);
2120 }
2121
2122 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2123 {
2124 JPAKE_STEP3B s3b;
2125 int l;
2126
2127 JPAKE_STEP3B_init(&s3b);
2128 l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2129 assert(l == sizeof s3b.hk);
2130 if (!JPAKE_STEP3B_process(ctx, &s3b)) {
2131 ERR_print_errors(bio_err);
2132 exit(1);
2133 }
2134 JPAKE_STEP3B_release(&s3b);
2135 }
2136
2137 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2138 {
2139 JPAKE_CTX *ctx;
2140 BIO *bconn;
2141
2142 BIO_puts(out, "Authenticating with JPAKE\n");
2143
2144 ctx = jpake_init("client", "server", secret);
2145
2146 bconn = BIO_new(BIO_f_buffer());
2147 BIO_push(bconn, conn);
2148
2149 jpake_send_step1(bconn, ctx);
2150 jpake_receive_step1(ctx, bconn);
2151 jpake_send_step2(bconn, ctx);
2152 jpake_receive_step2(ctx, bconn);
2153 jpake_send_step3a(bconn, ctx);
2154 jpake_receive_step3b(ctx, bconn);
2155
2156 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2157
2158 OPENSSL_free(psk_key);
2159 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2160
2161 BIO_pop(bconn);
2162 BIO_free(bconn);
2163
2164 JPAKE_CTX_free(ctx);
2165 }
2166
2167 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2168 {
2169 JPAKE_CTX *ctx;
2170 BIO *bconn;
2171
2172 BIO_puts(out, "Authenticating with JPAKE\n");
2173
2174 ctx = jpake_init("server", "client", secret);
2175
2176 bconn = BIO_new(BIO_f_buffer());
2177 BIO_push(bconn, conn);
2178
2179 jpake_receive_step1(ctx, bconn);
2180 jpake_send_step1(bconn, ctx);
2181 jpake_receive_step2(ctx, bconn);
2182 jpake_send_step2(bconn, ctx);
2183 jpake_receive_step3a(ctx, bconn);
2184 jpake_send_step3b(bconn, ctx);
2185
2186 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2187
2188 OPENSSL_free(psk_key);
2189 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2190
2191 BIO_pop(bconn);
2192 BIO_free(bconn);
2193
2194 JPAKE_CTX_free(ctx);
2195 }
2196
2197 #endif
2198
2199 /*-
2200 * next_protos_parse parses a comma separated list of strings into a string
2201 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2202 * outlen: (output) set to the length of the resulting buffer on success.
2203 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2204 * in: a NUL termianted string like "abc,def,ghi"
2205 *
2206 * returns: a malloced buffer or NULL on failure.
2207 */
2208 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2209 {
2210 size_t len;
2211 unsigned char *out;
2212 size_t i, start = 0;
2213
2214 len = strlen(in);
2215 if (len >= 65535)
2216 return NULL;
2217
2218 out = app_malloc(strlen(in) + 1, "NPN buffer");
2219 for (i = 0; i <= len; ++i) {
2220 if (i == len || in[i] == ',') {
2221 if (i - start > 255) {
2222 OPENSSL_free(out);
2223 return NULL;
2224 }
2225 out[start] = i - start;
2226 start = i + 1;
2227 } else
2228 out[i + 1] = in[i];
2229 }
2230
2231 *outlen = len + 1;
2232 return out;
2233 }
2234
2235 void print_cert_checks(BIO *bio, X509 *x,
2236 const char *checkhost,
2237 const char *checkemail, const char *checkip)
2238 {
2239 if (x == NULL)
2240 return;
2241 if (checkhost) {
2242 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2243 checkhost,
2244 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2245 ? "" : " NOT");
2246 }
2247
2248 if (checkemail) {
2249 BIO_printf(bio, "Email %s does%s match certificate\n",
2250 checkemail, X509_check_email(x, checkemail, 0, 0)
2251 ? "" : " NOT");
2252 }
2253
2254 if (checkip) {
2255 BIO_printf(bio, "IP %s does%s match certificate\n",
2256 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2257 }
2258 }
2259
2260 /* Get first http URL from a DIST_POINT structure */
2261
2262 static const char *get_dp_url(DIST_POINT *dp)
2263 {
2264 GENERAL_NAMES *gens;
2265 GENERAL_NAME *gen;
2266 int i, gtype;
2267 ASN1_STRING *uri;
2268 if (!dp->distpoint || dp->distpoint->type != 0)
2269 return NULL;
2270 gens = dp->distpoint->name.fullname;
2271 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2272 gen = sk_GENERAL_NAME_value(gens, i);
2273 uri = GENERAL_NAME_get0_value(gen, &gtype);
2274 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2275 char *uptr = (char *)ASN1_STRING_data(uri);
2276 if (strncmp(uptr, "http://", 7) == 0)
2277 return uptr;
2278 }
2279 }
2280 return NULL;
2281 }
2282
2283 /*
2284 * Look through a CRLDP structure and attempt to find an http URL to
2285 * downloads a CRL from.
2286 */
2287
2288 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2289 {
2290 int i;
2291 const char *urlptr = NULL;
2292 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2293 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2294 urlptr = get_dp_url(dp);
2295 if (urlptr)
2296 return load_crl(urlptr, FORMAT_HTTP);
2297 }
2298 return NULL;
2299 }
2300
2301 /*
2302 * Example of downloading CRLs from CRLDP: not usable for real world as it
2303 * always downloads, doesn't support non-blocking I/O and doesn't cache
2304 * anything.
2305 */
2306
2307 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2308 {
2309 X509 *x;
2310 STACK_OF(X509_CRL) *crls = NULL;
2311 X509_CRL *crl;
2312 STACK_OF(DIST_POINT) *crldp;
2313
2314 crls = sk_X509_CRL_new_null();
2315 if (!crls)
2316 return NULL;
2317 x = X509_STORE_CTX_get_current_cert(ctx);
2318 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2319 crl = load_crl_crldp(crldp);
2320 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2321 if (!crl)
2322 return NULL;
2323 sk_X509_CRL_push(crls, crl);
2324 /* Try to download delta CRL */
2325 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2326 crl = load_crl_crldp(crldp);
2327 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2328 if (crl)
2329 sk_X509_CRL_push(crls, crl);
2330 return crls;
2331 }
2332
2333 void store_setup_crl_download(X509_STORE *st)
2334 {
2335 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2336 }
2337
2338 /*
2339 * Platform-specific sections
2340 */
2341 #if defined(_WIN32)
2342 # ifdef fileno
2343 # undef fileno
2344 # define fileno(a) (int)_fileno(a)
2345 # endif
2346
2347 # include <windows.h>
2348 # include <tchar.h>
2349
2350 static int WIN32_rename(const char *from, const char *to)
2351 {
2352 TCHAR *tfrom = NULL, *tto;
2353 DWORD err;
2354 int ret = 0;
2355
2356 if (sizeof(TCHAR) == 1) {
2357 tfrom = (TCHAR *)from;
2358 tto = (TCHAR *)to;
2359 } else { /* UNICODE path */
2360
2361 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2362 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2363 if (tfrom == NULL)
2364 goto err;
2365 tto = tfrom + flen;
2366 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2367 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2368 # endif
2369 for (i = 0; i < flen; i++)
2370 tfrom[i] = (TCHAR)from[i];
2371 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2372 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2373 # endif
2374 for (i = 0; i < tlen; i++)
2375 tto[i] = (TCHAR)to[i];
2376 }
2377
2378 if (MoveFile(tfrom, tto))
2379 goto ok;
2380 err = GetLastError();
2381 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2382 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2383 goto ok;
2384 err = GetLastError();
2385 }
2386 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2387 errno = ENOENT;
2388 else if (err == ERROR_ACCESS_DENIED)
2389 errno = EACCES;
2390 else
2391 errno = EINVAL; /* we could map more codes... */
2392 err:
2393 ret = -1;
2394 ok:
2395 if (tfrom != NULL && tfrom != (TCHAR *)from)
2396 free(tfrom);
2397 return ret;
2398 }
2399 #endif
2400
2401 /* app_tminterval section */
2402 #if defined(_WIN32)
2403 double app_tminterval(int stop, int usertime)
2404 {
2405 FILETIME now;
2406 double ret = 0;
2407 static ULARGE_INTEGER tmstart;
2408 static int warning = 1;
2409 # ifdef _WIN32_WINNT
2410 static HANDLE proc = NULL;
2411
2412 if (proc == NULL) {
2413 if (check_winnt())
2414 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2415 GetCurrentProcessId());
2416 if (proc == NULL)
2417 proc = (HANDLE) - 1;
2418 }
2419
2420 if (usertime && proc != (HANDLE) - 1) {
2421 FILETIME junk;
2422 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2423 } else
2424 # endif
2425 {
2426 SYSTEMTIME systime;
2427
2428 if (usertime && warning) {
2429 BIO_printf(bio_err, "To get meaningful results, run "
2430 "this program on idle system.\n");
2431 warning = 0;
2432 }
2433 GetSystemTime(&systime);
2434 SystemTimeToFileTime(&systime, &now);
2435 }
2436
2437 if (stop == TM_START) {
2438 tmstart.u.LowPart = now.dwLowDateTime;
2439 tmstart.u.HighPart = now.dwHighDateTime;
2440 } else {
2441 ULARGE_INTEGER tmstop;
2442
2443 tmstop.u.LowPart = now.dwLowDateTime;
2444 tmstop.u.HighPart = now.dwHighDateTime;
2445
2446 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2447 }
2448
2449 return (ret);
2450 }
2451 #elif defined(OPENSSL_SYS_NETWARE)
2452 # include <time.h>
2453
2454 double app_tminterval(int stop, int usertime)
2455 {
2456 static clock_t tmstart;
2457 static int warning = 1;
2458 double ret = 0;
2459
2460 if (usertime && warning) {
2461 BIO_printf(bio_err, "To get meaningful results, run "
2462 "this program on idle system.\n");
2463 warning = 0;
2464 }
2465
2466 if (stop == TM_START)
2467 tmstart = clock();
2468 else
2469 ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC;
2470
2471 return (ret);
2472 }
2473
2474
2475 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2476 # include <time.h>
2477
2478 double app_tminterval(int stop, int usertime)
2479 {
2480 double ret = 0;
2481 # ifdef CLOCK_REALTIME
2482 static struct timespec tmstart;
2483 struct timespec now;
2484 # else
2485 static unsigned long tmstart;
2486 unsigned long now;
2487 # endif
2488 static int warning = 1;
2489
2490 if (usertime && warning) {
2491 BIO_printf(bio_err, "To get meaningful results, run "
2492 "this program on idle system.\n");
2493 warning = 0;
2494 }
2495 # ifdef CLOCK_REALTIME
2496 clock_gettime(CLOCK_REALTIME, &now);
2497 if (stop == TM_START)
2498 tmstart = now;
2499 else
2500 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2501 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2502 # else
2503 now = tickGet();
2504 if (stop == TM_START)
2505 tmstart = now;
2506 else
2507 ret = (now - tmstart) / (double)sysClkRateGet();
2508 # endif
2509 return (ret);
2510 }
2511
2512 #elif defined(OPENSSL_SYSTEM_VMS)
2513 # include <time.h>
2514 # include <times.h>
2515
2516 double app_tminterval(int stop, int usertime)
2517 {
2518 static clock_t tmstart;
2519 double ret = 0;
2520 clock_t now;
2521 # ifdef __TMS
2522 struct tms rus;
2523
2524 now = times(&rus);
2525 if (usertime)
2526 now = rus.tms_utime;
2527 # else
2528 if (usertime)
2529 now = clock(); /* sum of user and kernel times */
2530 else {
2531 struct timeval tv;
2532 gettimeofday(&tv, NULL);
2533 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2534 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2535 );
2536 }
2537 # endif
2538 if (stop == TM_START)
2539 tmstart = now;
2540 else
2541 ret = (now - tmstart) / (double)(CLK_TCK);
2542
2543 return (ret);
2544 }
2545
2546 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2547 # include <sys/times.h>
2548
2549 double app_tminterval(int stop, int usertime)
2550 {
2551 double ret = 0;
2552 struct tms rus;
2553 clock_t now = times(&rus);
2554 static clock_t tmstart;
2555
2556 if (usertime)
2557 now = rus.tms_utime;
2558
2559 if (stop == TM_START)
2560 tmstart = now;
2561 else {
2562 long int tck = sysconf(_SC_CLK_TCK);
2563 ret = (now - tmstart) / (double)tck;
2564 }
2565
2566 return (ret);
2567 }
2568
2569 #else
2570 # include <sys/time.h>
2571 # include <sys/resource.h>
2572
2573 double app_tminterval(int stop, int usertime)
2574 {
2575 double ret = 0;
2576 struct rusage rus;
2577 struct timeval now;
2578 static struct timeval tmstart;
2579
2580 if (usertime)
2581 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2582 else
2583 gettimeofday(&now, NULL);
2584
2585 if (stop == TM_START)
2586 tmstart = now;
2587 else
2588 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2589 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2590
2591 return ret;
2592 }
2593 #endif
2594
2595 int app_access(const char* name, int flag)
2596 {
2597 #ifdef _WIN32
2598 return _access(name, flag);
2599 #else
2600 return access(name, flag);
2601 #endif
2602 }
2603
2604 int app_hex(char c)
2605 {
2606 switch (c) {
2607 default:
2608 case '0':
2609 return 0;
2610 case '1':
2611 return 1;
2612 case '2':
2613 return 2;
2614 case '3':
2615 return 3;
2616 case '4':
2617 return 4;
2618 case '5':
2619 return 5;
2620 case '6':
2621 return 6;
2622 case '7':
2623 return 7;
2624 case '8':
2625 return 8;
2626 case '9':
2627 return 9;
2628 case 'a': case 'A':
2629 return 0x0A;
2630 case 'b': case 'B':
2631 return 0x0B;
2632 case 'c': case 'C':
2633 return 0x0C;
2634 case 'd': case 'D':
2635 return 0x0D;
2636 case 'e': case 'E':
2637 return 0x0E;
2638 case 'f': case 'F':
2639 return 0x0F;
2640 }
2641 }
2642
2643 /* app_isdir section */
2644 #ifdef _WIN32
2645 int app_isdir(const char *name)
2646 {
2647 HANDLE hList;
2648 WIN32_FIND_DATA FileData;
2649 # if defined(UNICODE) || defined(_UNICODE)
2650 size_t i, len_0 = strlen(name) + 1;
2651
2652 if (len_0 > OSSL_NELEM(FileData.cFileName))
2653 return -1;
2654
2655 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2656 if (!MultiByteToWideChar
2657 (CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
2658 # endif
2659 for (i = 0; i < len_0; i++)
2660 FileData.cFileName[i] = (WCHAR)name[i];
2661
2662 hList = FindFirstFile(FileData.cFileName, &FileData);
2663 # else
2664 hList = FindFirstFile(name, &FileData);
2665 # endif
2666 if (hList == INVALID_HANDLE_VALUE)
2667 return -1;
2668 FindClose(hList);
2669 return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
2670 }
2671 #else
2672 # include <sys/stat.h>
2673 # ifndef S_ISDIR
2674 # if defined(_S_IFMT) && defined(_S_IFDIR)
2675 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
2676 # else
2677 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
2678 # endif
2679 # endif
2680
2681 int app_isdir(const char *name)
2682 {
2683 # if defined(S_ISDIR)
2684 struct stat st;
2685
2686 if (stat(name, &st) == 0)
2687 return S_ISDIR(st.st_mode);
2688 else
2689 return -1;
2690 # else
2691 return -1;
2692 # endif
2693 }
2694 #endif
2695
2696 /* raw_read|write section */
2697 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2698 int raw_read_stdin(void *buf, int siz)
2699 {
2700 DWORD n;
2701 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2702 return (n);
2703 else
2704 return (-1);
2705 }
2706 #else
2707 int raw_read_stdin(void *buf, int siz)
2708 {
2709 return read(fileno(stdin), buf, siz);
2710 }
2711 #endif
2712
2713 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2714 int raw_write_stdout(const void *buf, int siz)
2715 {
2716 DWORD n;
2717 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2718 return (n);
2719 else
2720 return (-1);
2721 }
2722 #else
2723 int raw_write_stdout(const void *buf, int siz)
2724 {
2725 return write(fileno(stdout), buf, siz);
2726 }
2727 #endif
2728
2729 /*
2730 * Centralized handling if input and output files with format specification
2731 * The format is meant to show what the input and output is supposed to be,
2732 * and is therefore a show of intent more than anything else. However, it
2733 * does impact behavior on some platform, such as differentiating between
2734 * text and binary input/output on non-Unix platforms
2735 */
2736 static int istext(int format)
2737 {
2738 return (format & B_FORMAT_TEXT) == B_FORMAT_TEXT;
2739 }
2740
2741 BIO *dup_bio_in(int format)
2742 {
2743 return BIO_new_fp(stdin,
2744 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2745 }
2746
2747 BIO *dup_bio_out(int format)
2748 {
2749 BIO *b = BIO_new_fp(stdout,
2750 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2751 #ifdef OPENSSL_SYS_VMS
2752 if (istext(format))
2753 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2754 #endif
2755 return b;
2756 }
2757
2758 void unbuffer(FILE *fp)
2759 {
2760 setbuf(fp, NULL);
2761 }
2762
2763 static const char *modestr(char mode, int format)
2764 {
2765 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2766
2767 switch (mode) {
2768 case 'a':
2769 return istext(format) ? "a" : "ab";
2770 case 'r':
2771 return istext(format) ? "r" : "rb";
2772 case 'w':
2773 return istext(format) ? "w" : "wb";
2774 }
2775 /* The assert above should make sure we never reach this point */
2776 return NULL;
2777 }
2778
2779 static const char *modeverb(char mode)
2780 {
2781 switch (mode) {
2782 case 'a':
2783 return "appending";
2784 case 'r':
2785 return "reading";
2786 case 'w':
2787 return "writing";
2788 }
2789 return "(doing something)";
2790 }
2791
2792 /*
2793 * Open a file for writing, owner-read-only.
2794 */
2795 BIO *bio_open_owner(const char *filename, int format, int private)
2796 {
2797 FILE *fp = NULL;
2798 BIO *b = NULL;
2799 int fd = -1, bflags, mode, binmode;
2800
2801 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2802 return bio_open_default(filename, 'w', format);
2803
2804 mode = O_WRONLY;
2805 #ifdef O_CREAT
2806 mode |= O_CREAT;
2807 #endif
2808 #ifdef O_TRUNC
2809 mode |= O_TRUNC;
2810 #endif
2811 binmode = istext(format);
2812 if (binmode) {
2813 #ifdef O_BINARY
2814 mode |= O_BINARY;
2815 #elif defined(_O_BINARY)
2816 mode |= _O_BINARY;
2817 #endif
2818 }
2819
2820 fd = open(filename, mode, 0600);
2821 if (fd < 0)
2822 goto err;
2823 fp = fdopen(fd, modestr('w', format));
2824 if (fp == NULL)
2825 goto err;
2826 bflags = BIO_CLOSE;
2827 if (!binmode)
2828 bflags |= BIO_FP_TEXT;
2829 b = BIO_new_fp(fp, bflags);
2830 if (b)
2831 return b;
2832
2833 err:
2834 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2835 opt_getprog(), filename, strerror(errno));
2836 ERR_print_errors(bio_err);
2837 /* If we have fp, then fdopen took over fd, so don't close both. */
2838 if (fp)
2839 fclose(fp);
2840 else if (fd >= 0)
2841 close(fd);
2842 return NULL;
2843 }
2844
2845 static BIO *bio_open_default_(const char *filename, char mode, int format,
2846 int quiet)
2847 {
2848 BIO *ret;
2849
2850 if (filename == NULL || strcmp(filename, "-") == 0) {
2851 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2852 if (quiet) {
2853 ERR_clear_error();
2854 return ret;
2855 }
2856 if (ret != NULL)
2857 return ret;
2858 BIO_printf(bio_err,
2859 "Can't open %s, %s\n",
2860 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2861 } else {
2862 ret = BIO_new_file(filename, modestr(mode, format));
2863 if (quiet) {
2864 ERR_clear_error();
2865 return ret;
2866 }
2867 if (ret != NULL)
2868 return ret;
2869 BIO_printf(bio_err,
2870 "Can't open %s for %s, %s\n",
2871 filename, modeverb(mode), strerror(errno));
2872 }
2873 ERR_print_errors(bio_err);
2874 return NULL;
2875 }
2876
2877 BIO *bio_open_default(const char *filename, char mode, int format)
2878 {
2879 return bio_open_default_(filename, mode, format, 0);
2880 }
2881
2882 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2883 {
2884 return bio_open_default_(filename, mode, format, 1);
2885 }
2886
2887 void wait_for_async(SSL *s)
2888 {
2889 int width, fd;
2890 fd_set asyncfds;
2891
2892 fd = SSL_get_async_wait_fd(s);
2893 if (fd < 0)
2894 return;
2895
2896 width = fd + 1;
2897 FD_ZERO(&asyncfds);
2898 openssl_fdset(fd, &asyncfds);
2899 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2900 }
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