]> git.ipfire.org Git - thirdparty/openssl.git/blob - apps/apps.c
projects / thirdparty / openssl.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Make sure that password_callback exercises UI
[thirdparty/openssl.git] / apps / apps.c
1 /*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
11 /*
12 * On VMS, you need to define this to get the declaration of fileno(). The
13 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
14 */
15 # define _POSIX_C_SOURCE 2
16 #endif
17
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #ifndef NO_SYS_TYPES_H
22 # include <sys/types.h>
23 #endif
24 #ifndef OPENSSL_NO_POSIX_IO
25 # include <sys/stat.h>
26 # include <fcntl.h>
27 #endif
28 #include <ctype.h>
29 #include <errno.h>
30 #include <openssl/err.h>
31 #include <openssl/x509.h>
32 #include <openssl/x509v3.h>
33 #include <openssl/pem.h>
34 #include <openssl/pkcs12.h>
35 #include <openssl/ui.h>
36 #include <openssl/safestack.h>
37 #ifndef OPENSSL_NO_ENGINE
38 # include <openssl/engine.h>
39 #endif
40 #ifndef OPENSSL_NO_RSA
41 # include <openssl/rsa.h>
42 #endif
43 #include <openssl/bn.h>
44 #include <openssl/ssl.h>
45 #include "s_apps.h"
46 #include "apps.h"
47
48 #ifdef _WIN32
49 static int WIN32_rename(const char *from, const char *to);
50 # define rename(from,to) WIN32_rename((from),(to))
51 #endif
52
53 typedef struct {
54 const char *name;
55 unsigned long flag;
56 unsigned long mask;
57 } NAME_EX_TBL;
58
59 #if !defined(OPENSSL_NO_UI) || !defined(OPENSSL_NO_ENGINE)
60 static UI_METHOD *ui_method = NULL;
61 #endif
62
63 static int set_table_opts(unsigned long *flags, const char *arg,
64 const NAME_EX_TBL * in_tbl);
65 static int set_multi_opts(unsigned long *flags, const char *arg,
66 const NAME_EX_TBL * in_tbl);
67
68 int app_init(long mesgwin);
69
70 int chopup_args(ARGS *arg, char *buf)
71 {
72 int quoted;
73 char c = '\0', *p = NULL;
74
75 arg->argc = 0;
76 if (arg->size == 0) {
77 arg->size = 20;
78 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
79 }
80
81 for (p = buf;;) {
82 /* Skip whitespace. */
83 while (*p && isspace(_UC(*p)))
84 p++;
85 if (!*p)
86 break;
87
88 /* The start of something good :-) */
89 if (arg->argc >= arg->size) {
90 char **tmp;
91 arg->size += 20;
92 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
93 if (tmp == NULL)
94 return 0;
95 arg->argv = tmp;
96 }
97 quoted = *p == '\'' || *p == '"';
98 if (quoted)
99 c = *p++;
100 arg->argv[arg->argc++] = p;
101
102 /* now look for the end of this */
103 if (quoted) {
104 while (*p && *p != c)
105 p++;
106 *p++ = '\0';
107 } else {
108 while (*p && !isspace(_UC(*p)))
109 p++;
110 if (*p)
111 *p++ = '\0';
112 }
113 }
114 arg->argv[arg->argc] = NULL;
115 return (1);
116 }
117
118 #ifndef APP_INIT
119 int app_init(long mesgwin)
120 {
121 return (1);
122 }
123 #endif
124
125 int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
126 const char *CApath, int noCAfile, int noCApath)
127 {
128 if (CAfile == NULL && CApath == NULL) {
129 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
130 return 0;
131 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
132 return 0;
133
134 return 1;
135 }
136 return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
137 }
138
139 #ifndef OPENSSL_NO_CT
140
141 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
142 {
143 if (path == NULL) {
144 return SSL_CTX_set_default_ctlog_list_file(ctx);
145 }
146
147 return SSL_CTX_set_ctlog_list_file(ctx, path);
148 }
149
150 #endif
151
152 int dump_cert_text(BIO *out, X509 *x)
153 {
154 char *p;
155
156 p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
157 BIO_puts(out, "subject=");
158 BIO_puts(out, p);
159 OPENSSL_free(p);
160
161 p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
162 BIO_puts(out, "\nissuer=");
163 BIO_puts(out, p);
164 BIO_puts(out, "\n");
165 OPENSSL_free(p);
166
167 return 0;
168 }
169
170 #ifndef OPENSSL_NO_UI
171 static int ui_open(UI *ui)
172 {
173 return UI_method_get_opener(UI_OpenSSL())(ui);
174 }
175
176 static int ui_read(UI *ui, UI_STRING *uis)
177 {
178 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
179 && UI_get0_user_data(ui)) {
180 switch (UI_get_string_type(uis)) {
181 case UIT_PROMPT:
182 case UIT_VERIFY:
183 {
184 const char *password =
185 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
186 if (password && password[0] != '\0') {
187 UI_set_result(ui, uis, password);
188 return 1;
189 }
190 }
191 break;
192 case UIT_NONE:
193 case UIT_BOOLEAN:
194 case UIT_INFO:
195 case UIT_ERROR:
196 break;
197 }
198 }
199 return UI_method_get_reader(UI_OpenSSL())(ui, uis);
200 }
201
202 static int ui_write(UI *ui, UI_STRING *uis)
203 {
204 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
205 && UI_get0_user_data(ui)) {
206 switch (UI_get_string_type(uis)) {
207 case UIT_PROMPT:
208 case UIT_VERIFY:
209 {
210 const char *password =
211 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
212 if (password && password[0] != '\0')
213 return 1;
214 }
215 break;
216 case UIT_NONE:
217 case UIT_BOOLEAN:
218 case UIT_INFO:
219 case UIT_ERROR:
220 break;
221 }
222 }
223 return UI_method_get_writer(UI_OpenSSL())(ui, uis);
224 }
225
226 static int ui_close(UI *ui)
227 {
228 return UI_method_get_closer(UI_OpenSSL())(ui);
229 }
230
231 int setup_ui_method(void)
232 {
233 ui_method = UI_create_method("OpenSSL application user interface");
234 UI_method_set_opener(ui_method, ui_open);
235 UI_method_set_reader(ui_method, ui_read);
236 UI_method_set_writer(ui_method, ui_write);
237 UI_method_set_closer(ui_method, ui_close);
238 return 0;
239 }
240
241 void destroy_ui_method(void)
242 {
243 if (ui_method) {
244 UI_destroy_method(ui_method);
245 ui_method = NULL;
246 }
247 }
248 #endif
249
250 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
251 {
252 int res = 0;
253 #ifndef OPENSSL_NO_UI
254 UI *ui = NULL;
255 #endif
256 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
257
258 #ifdef OPENSSL_NO_UI
259 if (cb_data != NULL && cb_data->password != NULL) {
260 res = strlen(cb_data->password);
261 if (res > bufsiz)
262 res = bufsiz;
263 memcpy(buf, cb_data->password, res);
264 }
265 #else
266 ui = UI_new_method(ui_method);
267 if (ui) {
268 int ok = 0;
269 char *buff = NULL;
270 int ui_flags = 0;
271 const char *prompt_info = NULL;
272 char *prompt;
273
274 if (cb_data != NULL && cb_data->prompt_info != NULL)
275 prompt_info = cb_data->prompt_info;
276 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
277 if (!prompt) {
278 BIO_printf(bio_err, "Out of memory\n");
279 UI_free(ui);
280 return 0;
281 }
282
283 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
284 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
285
286 /* We know that there is no previous user data to return to us */
287 (void)UI_add_user_data(ui, cb_data);
288
289 if (ok >= 0)
290 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
291 PW_MIN_LENGTH, bufsiz - 1);
292 if (ok >= 0 && verify) {
293 buff = app_malloc(bufsiz, "password buffer");
294 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
295 PW_MIN_LENGTH, bufsiz - 1, buf);
296 }
297 if (ok >= 0)
298 do {
299 ok = UI_process(ui);
300 }
301 while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
302
303 OPENSSL_clear_free(buff, (unsigned int)bufsiz);
304
305 if (ok >= 0)
306 res = strlen(buf);
307 if (ok == -1) {
308 BIO_printf(bio_err, "User interface error\n");
309 ERR_print_errors(bio_err);
310 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
311 res = 0;
312 }
313 if (ok == -2) {
314 BIO_printf(bio_err, "aborted!\n");
315 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
316 res = 0;
317 }
318 UI_free(ui);
319 OPENSSL_free(prompt);
320 }
321 #endif
322 return res;
323 }
324
325 static char *app_get_pass(const char *arg, int keepbio);
326
327 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
328 {
329 int same;
330 if (!arg2 || !arg1 || strcmp(arg1, arg2))
331 same = 0;
332 else
333 same = 1;
334 if (arg1) {
335 *pass1 = app_get_pass(arg1, same);
336 if (!*pass1)
337 return 0;
338 } else if (pass1)
339 *pass1 = NULL;
340 if (arg2) {
341 *pass2 = app_get_pass(arg2, same ? 2 : 0);
342 if (!*pass2)
343 return 0;
344 } else if (pass2)
345 *pass2 = NULL;
346 return 1;
347 }
348
349 static char *app_get_pass(const char *arg, int keepbio)
350 {
351 char *tmp, tpass[APP_PASS_LEN];
352 static BIO *pwdbio = NULL;
353 int i;
354
355 if (strncmp(arg, "pass:", 5) == 0)
356 return OPENSSL_strdup(arg + 5);
357 if (strncmp(arg, "env:", 4) == 0) {
358 tmp = getenv(arg + 4);
359 if (!tmp) {
360 BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4);
361 return NULL;
362 }
363 return OPENSSL_strdup(tmp);
364 }
365 if (!keepbio || !pwdbio) {
366 if (strncmp(arg, "file:", 5) == 0) {
367 pwdbio = BIO_new_file(arg + 5, "r");
368 if (!pwdbio) {
369 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
370 return NULL;
371 }
372 #if !defined(_WIN32)
373 /*
374 * Under _WIN32, which covers even Win64 and CE, file
375 * descriptors referenced by BIO_s_fd are not inherited
376 * by child process and therefore below is not an option.
377 * It could have been an option if bss_fd.c was operating
378 * on real Windows descriptors, such as those obtained
379 * with CreateFile.
380 */
381 } else if (strncmp(arg, "fd:", 3) == 0) {
382 BIO *btmp;
383 i = atoi(arg + 3);
384 if (i >= 0)
385 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
386 if ((i < 0) || !pwdbio) {
387 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
388 return NULL;
389 }
390 /*
391 * Can't do BIO_gets on an fd BIO so add a buffering BIO
392 */
393 btmp = BIO_new(BIO_f_buffer());
394 pwdbio = BIO_push(btmp, pwdbio);
395 #endif
396 } else if (strcmp(arg, "stdin") == 0) {
397 pwdbio = dup_bio_in(FORMAT_TEXT);
398 if (!pwdbio) {
399 BIO_printf(bio_err, "Can't open BIO for stdin\n");
400 return NULL;
401 }
402 } else {
403 BIO_printf(bio_err, "Invalid password argument \"%s\"\n", arg);
404 return NULL;
405 }
406 }
407 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
408 if (keepbio != 1) {
409 BIO_free_all(pwdbio);
410 pwdbio = NULL;
411 }
412 if (i <= 0) {
413 BIO_printf(bio_err, "Error reading password from BIO\n");
414 return NULL;
415 }
416 tmp = strchr(tpass, '\n');
417 if (tmp)
418 *tmp = 0;
419 return OPENSSL_strdup(tpass);
420 }
421
422 static CONF *app_load_config_(BIO *in, const char *filename)
423 {
424 long errorline = -1;
425 CONF *conf;
426 int i;
427
428 conf = NCONF_new(NULL);
429 i = NCONF_load_bio(conf, in, &errorline);
430 if (i > 0)
431 return conf;
432
433 if (errorline <= 0)
434 BIO_printf(bio_err, "%s: Can't load config file \"%s\"\n",
435 opt_getprog(), filename);
436 else
437 BIO_printf(bio_err, "%s: Error on line %ld of config file \"%s\"\n",
438 opt_getprog(), errorline, filename);
439 NCONF_free(conf);
440 return NULL;
441 }
442 CONF *app_load_config(const char *filename)
443 {
444 BIO *in;
445 CONF *conf;
446
447 in = bio_open_default(filename, 'r', FORMAT_TEXT);
448 if (in == NULL)
449 return NULL;
450
451 conf = app_load_config_(in, filename);
452 BIO_free(in);
453 return conf;
454 }
455 CONF *app_load_config_quiet(const char *filename)
456 {
457 BIO *in;
458 CONF *conf;
459
460 in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
461 if (in == NULL)
462 return NULL;
463
464 conf = app_load_config_(in, filename);
465 BIO_free(in);
466 return conf;
467 }
468
469 int app_load_modules(const CONF *config)
470 {
471 CONF *to_free = NULL;
472
473 if (config == NULL)
474 config = to_free = app_load_config_quiet(default_config_file);
475 if (config == NULL)
476 return 1;
477
478 if (CONF_modules_load(config, NULL, 0) <= 0) {
479 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
480 ERR_print_errors(bio_err);
481 NCONF_free(to_free);
482 return 0;
483 }
484 NCONF_free(to_free);
485 return 1;
486 }
487
488 int add_oid_section(CONF *conf)
489 {
490 char *p;
491 STACK_OF(CONF_VALUE) *sktmp;
492 CONF_VALUE *cnf;
493 int i;
494
495 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
496 ERR_clear_error();
497 return 1;
498 }
499 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
500 BIO_printf(bio_err, "problem loading oid section %s\n", p);
501 return 0;
502 }
503 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
504 cnf = sk_CONF_VALUE_value(sktmp, i);
505 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
506 BIO_printf(bio_err, "problem creating object %s=%s\n",
507 cnf->name, cnf->value);
508 return 0;
509 }
510 }
511 return 1;
512 }
513
514 static int load_pkcs12(BIO *in, const char *desc,
515 pem_password_cb *pem_cb, void *cb_data,
516 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
517 {
518 const char *pass;
519 char tpass[PEM_BUFSIZE];
520 int len, ret = 0;
521 PKCS12 *p12;
522 p12 = d2i_PKCS12_bio(in, NULL);
523 if (p12 == NULL) {
524 BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
525 goto die;
526 }
527 /* See if an empty password will do */
528 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
529 pass = "";
530 else {
531 if (!pem_cb)
532 pem_cb = (pem_password_cb *)password_callback;
533 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
534 if (len < 0) {
535 BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
536 goto die;
537 }
538 if (len < PEM_BUFSIZE)
539 tpass[len] = 0;
540 if (!PKCS12_verify_mac(p12, tpass, len)) {
541 BIO_printf(bio_err,
542 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
543 desc);
544 goto die;
545 }
546 pass = tpass;
547 }
548 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
549 die:
550 PKCS12_free(p12);
551 return ret;
552 }
553
554 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
555 static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
556 {
557 char *host = NULL, *port = NULL, *path = NULL;
558 BIO *bio = NULL;
559 OCSP_REQ_CTX *rctx = NULL;
560 int use_ssl, rv = 0;
561 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
562 goto err;
563 if (use_ssl) {
564 BIO_puts(bio_err, "https not supported\n");
565 goto err;
566 }
567 bio = BIO_new_connect(host);
568 if (!bio || !BIO_set_conn_port(bio, port))
569 goto err;
570 rctx = OCSP_REQ_CTX_new(bio, 1024);
571 if (rctx == NULL)
572 goto err;
573 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
574 goto err;
575 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
576 goto err;
577 if (pcert) {
578 do {
579 rv = X509_http_nbio(rctx, pcert);
580 } while (rv == -1);
581 } else {
582 do {
583 rv = X509_CRL_http_nbio(rctx, pcrl);
584 } while (rv == -1);
585 }
586
587 err:
588 OPENSSL_free(host);
589 OPENSSL_free(path);
590 OPENSSL_free(port);
591 if (bio)
592 BIO_free_all(bio);
593 OCSP_REQ_CTX_free(rctx);
594 if (rv != 1) {
595 BIO_printf(bio_err, "Error loading %s from %s\n",
596 pcert ? "certificate" : "CRL", url);
597 ERR_print_errors(bio_err);
598 }
599 return rv;
600 }
601 #endif
602
603 X509 *load_cert(const char *file, int format, const char *cert_descrip)
604 {
605 X509 *x = NULL;
606 BIO *cert;
607
608 if (format == FORMAT_HTTP) {
609 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
610 load_cert_crl_http(file, &x, NULL);
611 #endif
612 return x;
613 }
614
615 if (file == NULL) {
616 unbuffer(stdin);
617 cert = dup_bio_in(format);
618 } else
619 cert = bio_open_default(file, 'r', format);
620 if (cert == NULL)
621 goto end;
622
623 if (format == FORMAT_ASN1)
624 x = d2i_X509_bio(cert, NULL);
625 else if (format == FORMAT_PEM)
626 x = PEM_read_bio_X509_AUX(cert, NULL,
627 (pem_password_cb *)password_callback, NULL);
628 else if (format == FORMAT_PKCS12) {
629 if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
630 goto end;
631 } else {
632 BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
633 goto end;
634 }
635 end:
636 if (x == NULL) {
637 BIO_printf(bio_err, "unable to load certificate\n");
638 ERR_print_errors(bio_err);
639 }
640 BIO_free(cert);
641 return (x);
642 }
643
644 X509_CRL *load_crl(const char *infile, int format)
645 {
646 X509_CRL *x = NULL;
647 BIO *in = NULL;
648
649 if (format == FORMAT_HTTP) {
650 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
651 load_cert_crl_http(infile, NULL, &x);
652 #endif
653 return x;
654 }
655
656 in = bio_open_default(infile, 'r', format);
657 if (in == NULL)
658 goto end;
659 if (format == FORMAT_ASN1)
660 x = d2i_X509_CRL_bio(in, NULL);
661 else if (format == FORMAT_PEM)
662 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
663 else {
664 BIO_printf(bio_err, "bad input format specified for input crl\n");
665 goto end;
666 }
667 if (x == NULL) {
668 BIO_printf(bio_err, "unable to load CRL\n");
669 ERR_print_errors(bio_err);
670 goto end;
671 }
672
673 end:
674 BIO_free(in);
675 return (x);
676 }
677
678 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
679 const char *pass, ENGINE *e, const char *key_descrip)
680 {
681 BIO *key = NULL;
682 EVP_PKEY *pkey = NULL;
683 PW_CB_DATA cb_data;
684
685 cb_data.password = pass;
686 cb_data.prompt_info = file;
687
688 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
689 BIO_printf(bio_err, "no keyfile specified\n");
690 goto end;
691 }
692 if (format == FORMAT_ENGINE) {
693 if (e == NULL)
694 BIO_printf(bio_err, "no engine specified\n");
695 else {
696 #ifndef OPENSSL_NO_ENGINE
697 if (ENGINE_init(e)) {
698 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
699 ENGINE_finish(e);
700 }
701 if (pkey == NULL) {
702 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
703 ERR_print_errors(bio_err);
704 }
705 #else
706 BIO_printf(bio_err, "engines not supported\n");
707 #endif
708 }
709 goto end;
710 }
711 if (file == NULL && maybe_stdin) {
712 unbuffer(stdin);
713 key = dup_bio_in(format);
714 } else
715 key = bio_open_default(file, 'r', format);
716 if (key == NULL)
717 goto end;
718 if (format == FORMAT_ASN1) {
719 pkey = d2i_PrivateKey_bio(key, NULL);
720 } else if (format == FORMAT_PEM) {
721 pkey = PEM_read_bio_PrivateKey(key, NULL,
722 (pem_password_cb *)password_callback,
723 &cb_data);
724 }
725 else if (format == FORMAT_PKCS12) {
726 if (!load_pkcs12(key, key_descrip,
727 (pem_password_cb *)password_callback, &cb_data,
728 &pkey, NULL, NULL))
729 goto end;
730 }
731 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
732 else if (format == FORMAT_MSBLOB)
733 pkey = b2i_PrivateKey_bio(key);
734 else if (format == FORMAT_PVK)
735 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
736 &cb_data);
737 #endif
738 else {
739 BIO_printf(bio_err, "bad input format specified for key file\n");
740 goto end;
741 }
742 end:
743 BIO_free(key);
744 if (pkey == NULL) {
745 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
746 ERR_print_errors(bio_err);
747 }
748 return (pkey);
749 }
750
751 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
752 const char *pass, ENGINE *e, const char *key_descrip)
753 {
754 BIO *key = NULL;
755 EVP_PKEY *pkey = NULL;
756 PW_CB_DATA cb_data;
757
758 cb_data.password = pass;
759 cb_data.prompt_info = file;
760
761 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
762 BIO_printf(bio_err, "no keyfile specified\n");
763 goto end;
764 }
765 if (format == FORMAT_ENGINE) {
766 if (e == NULL)
767 BIO_printf(bio_err, "no engine specified\n");
768 else {
769 #ifndef OPENSSL_NO_ENGINE
770 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
771 if (pkey == NULL) {
772 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
773 ERR_print_errors(bio_err);
774 }
775 #else
776 BIO_printf(bio_err, "engines not supported\n");
777 #endif
778 }
779 goto end;
780 }
781 if (file == NULL && maybe_stdin) {
782 unbuffer(stdin);
783 key = dup_bio_in(format);
784 } else
785 key = bio_open_default(file, 'r', format);
786 if (key == NULL)
787 goto end;
788 if (format == FORMAT_ASN1) {
789 pkey = d2i_PUBKEY_bio(key, NULL);
790 }
791 else if (format == FORMAT_ASN1RSA) {
792 #ifndef OPENSSL_NO_RSA
793 RSA *rsa;
794 rsa = d2i_RSAPublicKey_bio(key, NULL);
795 if (rsa) {
796 pkey = EVP_PKEY_new();
797 if (pkey != NULL)
798 EVP_PKEY_set1_RSA(pkey, rsa);
799 RSA_free(rsa);
800 } else
801 #else
802 BIO_printf(bio_err, "RSA keys not supported\n");
803 #endif
804 pkey = NULL;
805 } else if (format == FORMAT_PEMRSA) {
806 #ifndef OPENSSL_NO_RSA
807 RSA *rsa;
808 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
809 (pem_password_cb *)password_callback,
810 &cb_data);
811 if (rsa != NULL) {
812 pkey = EVP_PKEY_new();
813 if (pkey != NULL)
814 EVP_PKEY_set1_RSA(pkey, rsa);
815 RSA_free(rsa);
816 } else
817 #else
818 BIO_printf(bio_err, "RSA keys not supported\n");
819 #endif
820 pkey = NULL;
821 }
822 else if (format == FORMAT_PEM) {
823 pkey = PEM_read_bio_PUBKEY(key, NULL,
824 (pem_password_cb *)password_callback,
825 &cb_data);
826 }
827 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
828 else if (format == FORMAT_MSBLOB)
829 pkey = b2i_PublicKey_bio(key);
830 #endif
831 end:
832 BIO_free(key);
833 if (pkey == NULL)
834 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
835 return (pkey);
836 }
837
838 static int load_certs_crls(const char *file, int format,
839 const char *pass, const char *desc,
840 STACK_OF(X509) **pcerts,
841 STACK_OF(X509_CRL) **pcrls)
842 {
843 int i;
844 BIO *bio;
845 STACK_OF(X509_INFO) *xis = NULL;
846 X509_INFO *xi;
847 PW_CB_DATA cb_data;
848 int rv = 0;
849
850 cb_data.password = pass;
851 cb_data.prompt_info = file;
852
853 if (format != FORMAT_PEM) {
854 BIO_printf(bio_err, "bad input format specified for %s\n", desc);
855 return 0;
856 }
857
858 bio = bio_open_default(file, 'r', FORMAT_PEM);
859 if (bio == NULL)
860 return 0;
861
862 xis = PEM_X509_INFO_read_bio(bio, NULL,
863 (pem_password_cb *)password_callback,
864 &cb_data);
865
866 BIO_free(bio);
867
868 if (pcerts && *pcerts == NULL) {
869 *pcerts = sk_X509_new_null();
870 if (!*pcerts)
871 goto end;
872 }
873
874 if (pcrls && *pcrls == NULL) {
875 *pcrls = sk_X509_CRL_new_null();
876 if (!*pcrls)
877 goto end;
878 }
879
880 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
881 xi = sk_X509_INFO_value(xis, i);
882 if (xi->x509 && pcerts) {
883 if (!sk_X509_push(*pcerts, xi->x509))
884 goto end;
885 xi->x509 = NULL;
886 }
887 if (xi->crl && pcrls) {
888 if (!sk_X509_CRL_push(*pcrls, xi->crl))
889 goto end;
890 xi->crl = NULL;
891 }
892 }
893
894 if (pcerts && sk_X509_num(*pcerts) > 0)
895 rv = 1;
896
897 if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
898 rv = 1;
899
900 end:
901
902 sk_X509_INFO_pop_free(xis, X509_INFO_free);
903
904 if (rv == 0) {
905 if (pcerts) {
906 sk_X509_pop_free(*pcerts, X509_free);
907 *pcerts = NULL;
908 }
909 if (pcrls) {
910 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
911 *pcrls = NULL;
912 }
913 BIO_printf(bio_err, "unable to load %s\n",
914 pcerts ? "certificates" : "CRLs");
915 ERR_print_errors(bio_err);
916 }
917 return rv;
918 }
919
920 void* app_malloc(int sz, const char *what)
921 {
922 void *vp = OPENSSL_malloc(sz);
923
924 if (vp == NULL) {
925 BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
926 opt_getprog(), sz, what);
927 ERR_print_errors(bio_err);
928 exit(1);
929 }
930 return vp;
931 }
932
933 /*
934 * Initialize or extend, if *certs != NULL, a certificate stack.
935 */
936 int load_certs(const char *file, STACK_OF(X509) **certs, int format,
937 const char *pass, const char *desc)
938 {
939 return load_certs_crls(file, format, pass, desc, certs, NULL);
940 }
941
942 /*
943 * Initialize or extend, if *crls != NULL, a certificate stack.
944 */
945 int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
946 const char *pass, const char *desc)
947 {
948 return load_certs_crls(file, format, pass, desc, NULL, crls);
949 }
950
951 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
952 /* Return error for unknown extensions */
953 #define X509V3_EXT_DEFAULT 0
954 /* Print error for unknown extensions */
955 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
956 /* ASN1 parse unknown extensions */
957 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
958 /* BIO_dump unknown extensions */
959 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
960
961 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
962 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
963
964 int set_cert_ex(unsigned long *flags, const char *arg)
965 {
966 static const NAME_EX_TBL cert_tbl[] = {
967 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
968 {"ca_default", X509_FLAG_CA, 0xffffffffl},
969 {"no_header", X509_FLAG_NO_HEADER, 0},
970 {"no_version", X509_FLAG_NO_VERSION, 0},
971 {"no_serial", X509_FLAG_NO_SERIAL, 0},
972 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
973 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
974 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
975 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
976 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
977 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
978 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
979 {"no_aux", X509_FLAG_NO_AUX, 0},
980 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
981 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
982 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
983 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
984 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
985 {NULL, 0, 0}
986 };
987 return set_multi_opts(flags, arg, cert_tbl);
988 }
989
990 int set_name_ex(unsigned long *flags, const char *arg)
991 {
992 static const NAME_EX_TBL ex_tbl[] = {
993 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
994 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
995 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
996 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
997 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
998 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
999 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1000 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1001 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1002 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1003 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1004 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1005 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1006 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1007 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1008 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1009 {"dn_rev", XN_FLAG_DN_REV, 0},
1010 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1011 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1012 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1013 {"align", XN_FLAG_FN_ALIGN, 0},
1014 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1015 {"space_eq", XN_FLAG_SPC_EQ, 0},
1016 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1017 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1018 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1019 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1020 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1021 {NULL, 0, 0}
1022 };
1023 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1024 return 0;
1025 if ((*flags & XN_FLAG_SEP_MASK) == 0)
1026 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1027 return 1;
1028 }
1029
1030 int set_ext_copy(int *copy_type, const char *arg)
1031 {
1032 if (strcasecmp(arg, "none") == 0)
1033 *copy_type = EXT_COPY_NONE;
1034 else if (strcasecmp(arg, "copy") == 0)
1035 *copy_type = EXT_COPY_ADD;
1036 else if (strcasecmp(arg, "copyall") == 0)
1037 *copy_type = EXT_COPY_ALL;
1038 else
1039 return 0;
1040 return 1;
1041 }
1042
1043 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1044 {
1045 STACK_OF(X509_EXTENSION) *exts = NULL;
1046 X509_EXTENSION *ext, *tmpext;
1047 ASN1_OBJECT *obj;
1048 int i, idx, ret = 0;
1049 if (!x || !req || (copy_type == EXT_COPY_NONE))
1050 return 1;
1051 exts = X509_REQ_get_extensions(req);
1052
1053 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1054 ext = sk_X509_EXTENSION_value(exts, i);
1055 obj = X509_EXTENSION_get_object(ext);
1056 idx = X509_get_ext_by_OBJ(x, obj, -1);
1057 /* Does extension exist? */
1058 if (idx != -1) {
1059 /* If normal copy don't override existing extension */
1060 if (copy_type == EXT_COPY_ADD)
1061 continue;
1062 /* Delete all extensions of same type */
1063 do {
1064 tmpext = X509_get_ext(x, idx);
1065 X509_delete_ext(x, idx);
1066 X509_EXTENSION_free(tmpext);
1067 idx = X509_get_ext_by_OBJ(x, obj, -1);
1068 } while (idx != -1);
1069 }
1070 if (!X509_add_ext(x, ext, -1))
1071 goto end;
1072 }
1073
1074 ret = 1;
1075
1076 end:
1077
1078 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1079
1080 return ret;
1081 }
1082
1083 static int set_multi_opts(unsigned long *flags, const char *arg,
1084 const NAME_EX_TBL * in_tbl)
1085 {
1086 STACK_OF(CONF_VALUE) *vals;
1087 CONF_VALUE *val;
1088 int i, ret = 1;
1089 if (!arg)
1090 return 0;
1091 vals = X509V3_parse_list(arg);
1092 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1093 val = sk_CONF_VALUE_value(vals, i);
1094 if (!set_table_opts(flags, val->name, in_tbl))
1095 ret = 0;
1096 }
1097 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1098 return ret;
1099 }
1100
1101 static int set_table_opts(unsigned long *flags, const char *arg,
1102 const NAME_EX_TBL * in_tbl)
1103 {
1104 char c;
1105 const NAME_EX_TBL *ptbl;
1106 c = arg[0];
1107
1108 if (c == '-') {
1109 c = 0;
1110 arg++;
1111 } else if (c == '+') {
1112 c = 1;
1113 arg++;
1114 } else
1115 c = 1;
1116
1117 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1118 if (strcasecmp(arg, ptbl->name) == 0) {
1119 *flags &= ~ptbl->mask;
1120 if (c)
1121 *flags |= ptbl->flag;
1122 else
1123 *flags &= ~ptbl->flag;
1124 return 1;
1125 }
1126 }
1127 return 0;
1128 }
1129
1130 void print_name(BIO *out, const char *title, X509_NAME *nm,
1131 unsigned long lflags)
1132 {
1133 char *buf;
1134 char mline = 0;
1135 int indent = 0;
1136
1137 if (title)
1138 BIO_puts(out, title);
1139 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1140 mline = 1;
1141 indent = 4;
1142 }
1143 if (lflags == XN_FLAG_COMPAT) {
1144 buf = X509_NAME_oneline(nm, 0, 0);
1145 BIO_puts(out, buf);
1146 BIO_puts(out, "\n");
1147 OPENSSL_free(buf);
1148 } else {
1149 if (mline)
1150 BIO_puts(out, "\n");
1151 X509_NAME_print_ex(out, nm, indent, lflags);
1152 BIO_puts(out, "\n");
1153 }
1154 }
1155
1156 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1157 int len, unsigned char *buffer)
1158 {
1159 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1160 if (BN_is_zero(in))
1161 BIO_printf(out, "\n\t0x00");
1162 else {
1163 int i, l;
1164
1165 l = BN_bn2bin(in, buffer);
1166 for (i = 0; i < l; i++) {
1167 if ((i % 10) == 0)
1168 BIO_printf(out, "\n\t");
1169 if (i < l - 1)
1170 BIO_printf(out, "0x%02X, ", buffer[i]);
1171 else
1172 BIO_printf(out, "0x%02X", buffer[i]);
1173 }
1174 }
1175 BIO_printf(out, "\n };\n");
1176 }
1177 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1178 {
1179 int i;
1180
1181 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1182 for (i = 0; i < len; i++) {
1183 if ((i % 10) == 0)
1184 BIO_printf(out, "\n ");
1185 if (i < len - 1)
1186 BIO_printf(out, "0x%02X, ", d[i]);
1187 else
1188 BIO_printf(out, "0x%02X", d[i]);
1189 }
1190 BIO_printf(out, "\n};\n");
1191 }
1192
1193 X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, int noCApath)
1194 {
1195 X509_STORE *store = X509_STORE_new();
1196 X509_LOOKUP *lookup;
1197
1198 if (store == NULL)
1199 goto end;
1200
1201 if (CAfile != NULL || !noCAfile) {
1202 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1203 if (lookup == NULL)
1204 goto end;
1205 if (CAfile) {
1206 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1207 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1208 goto end;
1209 }
1210 } else
1211 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1212 }
1213
1214 if (CApath != NULL || !noCApath) {
1215 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1216 if (lookup == NULL)
1217 goto end;
1218 if (CApath) {
1219 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1220 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1221 goto end;
1222 }
1223 } else
1224 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1225 }
1226
1227 ERR_clear_error();
1228 return store;
1229 end:
1230 X509_STORE_free(store);
1231 return NULL;
1232 }
1233
1234 #ifndef OPENSSL_NO_ENGINE
1235 /* Try to load an engine in a shareable library */
1236 static ENGINE *try_load_engine(const char *engine)
1237 {
1238 ENGINE *e = ENGINE_by_id("dynamic");
1239 if (e) {
1240 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1241 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1242 ENGINE_free(e);
1243 e = NULL;
1244 }
1245 }
1246 return e;
1247 }
1248 #endif
1249
1250 ENGINE *setup_engine(const char *engine, int debug)
1251 {
1252 ENGINE *e = NULL;
1253
1254 #ifndef OPENSSL_NO_ENGINE
1255 if (engine) {
1256 if (strcmp(engine, "auto") == 0) {
1257 BIO_printf(bio_err, "enabling auto ENGINE support\n");
1258 ENGINE_register_all_complete();
1259 return NULL;
1260 }
1261 if ((e = ENGINE_by_id(engine)) == NULL
1262 && (e = try_load_engine(engine)) == NULL) {
1263 BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
1264 ERR_print_errors(bio_err);
1265 return NULL;
1266 }
1267 if (debug) {
1268 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1269 }
1270 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1271 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1272 BIO_printf(bio_err, "can't use that engine\n");
1273 ERR_print_errors(bio_err);
1274 ENGINE_free(e);
1275 return NULL;
1276 }
1277
1278 BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1279 }
1280 #endif
1281 return e;
1282 }
1283
1284 void release_engine(ENGINE *e)
1285 {
1286 #ifndef OPENSSL_NO_ENGINE
1287 if (e != NULL)
1288 /* Free our "structural" reference. */
1289 ENGINE_free(e);
1290 #endif
1291 }
1292
1293 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1294 {
1295 const char *n;
1296
1297 n = a[DB_serial];
1298 while (*n == '0')
1299 n++;
1300 return OPENSSL_LH_strhash(n);
1301 }
1302
1303 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1304 const OPENSSL_CSTRING *b)
1305 {
1306 const char *aa, *bb;
1307
1308 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1309 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1310 return (strcmp(aa, bb));
1311 }
1312
1313 static int index_name_qual(char **a)
1314 {
1315 return (a[0][0] == 'V');
1316 }
1317
1318 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1319 {
1320 return OPENSSL_LH_strhash(a[DB_name]);
1321 }
1322
1323 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1324 {
1325 return (strcmp(a[DB_name], b[DB_name]));
1326 }
1327
1328 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1329 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1330 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1331 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1332 #undef BSIZE
1333 #define BSIZE 256
1334 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1335 {
1336 BIO *in = NULL;
1337 BIGNUM *ret = NULL;
1338 char buf[1024];
1339 ASN1_INTEGER *ai = NULL;
1340
1341 ai = ASN1_INTEGER_new();
1342 if (ai == NULL)
1343 goto err;
1344
1345 in = BIO_new_file(serialfile, "r");
1346 if (in == NULL) {
1347 if (!create) {
1348 perror(serialfile);
1349 goto err;
1350 }
1351 ERR_clear_error();
1352 ret = BN_new();
1353 if (ret == NULL || !rand_serial(ret, ai))
1354 BIO_printf(bio_err, "Out of memory\n");
1355 } else {
1356 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1357 BIO_printf(bio_err, "unable to load number from %s\n",
1358 serialfile);
1359 goto err;
1360 }
1361 ret = ASN1_INTEGER_to_BN(ai, NULL);
1362 if (ret == NULL) {
1363 BIO_printf(bio_err,
1364 "error converting number from bin to BIGNUM\n");
1365 goto err;
1366 }
1367 }
1368
1369 if (ret && retai) {
1370 *retai = ai;
1371 ai = NULL;
1372 }
1373 err:
1374 BIO_free(in);
1375 ASN1_INTEGER_free(ai);
1376 return (ret);
1377 }
1378
1379 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1380 ASN1_INTEGER **retai)
1381 {
1382 char buf[1][BSIZE];
1383 BIO *out = NULL;
1384 int ret = 0;
1385 ASN1_INTEGER *ai = NULL;
1386 int j;
1387
1388 if (suffix == NULL)
1389 j = strlen(serialfile);
1390 else
1391 j = strlen(serialfile) + strlen(suffix) + 1;
1392 if (j >= BSIZE) {
1393 BIO_printf(bio_err, "file name too long\n");
1394 goto err;
1395 }
1396
1397 if (suffix == NULL)
1398 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1399 else {
1400 #ifndef OPENSSL_SYS_VMS
1401 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1402 #else
1403 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1404 #endif
1405 }
1406 out = BIO_new_file(buf[0], "w");
1407 if (out == NULL) {
1408 ERR_print_errors(bio_err);
1409 goto err;
1410 }
1411
1412 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1413 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1414 goto err;
1415 }
1416 i2a_ASN1_INTEGER(out, ai);
1417 BIO_puts(out, "\n");
1418 ret = 1;
1419 if (retai) {
1420 *retai = ai;
1421 ai = NULL;
1422 }
1423 err:
1424 BIO_free_all(out);
1425 ASN1_INTEGER_free(ai);
1426 return (ret);
1427 }
1428
1429 int rotate_serial(const char *serialfile, const char *new_suffix,
1430 const char *old_suffix)
1431 {
1432 char buf[2][BSIZE];
1433 int i, j;
1434
1435 i = strlen(serialfile) + strlen(old_suffix);
1436 j = strlen(serialfile) + strlen(new_suffix);
1437 if (i > j)
1438 j = i;
1439 if (j + 1 >= BSIZE) {
1440 BIO_printf(bio_err, "file name too long\n");
1441 goto err;
1442 }
1443 #ifndef OPENSSL_SYS_VMS
1444 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
1445 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
1446 #else
1447 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix);
1448 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix);
1449 #endif
1450 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1451 #ifdef ENOTDIR
1452 && errno != ENOTDIR
1453 #endif
1454 ) {
1455 BIO_printf(bio_err,
1456 "unable to rename %s to %s\n", serialfile, buf[1]);
1457 perror("reason");
1458 goto err;
1459 }
1460 if (rename(buf[0], serialfile) < 0) {
1461 BIO_printf(bio_err,
1462 "unable to rename %s to %s\n", buf[0], serialfile);
1463 perror("reason");
1464 rename(buf[1], serialfile);
1465 goto err;
1466 }
1467 return 1;
1468 err:
1469 return 0;
1470 }
1471
1472 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1473 {
1474 BIGNUM *btmp;
1475 int ret = 0;
1476
1477 if (b)
1478 btmp = b;
1479 else
1480 btmp = BN_new();
1481
1482 if (btmp == NULL)
1483 return 0;
1484
1485 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1486 goto error;
1487 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1488 goto error;
1489
1490 ret = 1;
1491
1492 error:
1493
1494 if (btmp != b)
1495 BN_free(btmp);
1496
1497 return ret;
1498 }
1499
1500 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1501 {
1502 CA_DB *retdb = NULL;
1503 TXT_DB *tmpdb = NULL;
1504 BIO *in;
1505 CONF *dbattr_conf = NULL;
1506 char buf[BSIZE];
1507
1508 in = BIO_new_file(dbfile, "r");
1509 if (in == NULL) {
1510 ERR_print_errors(bio_err);
1511 goto err;
1512 }
1513 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1514 goto err;
1515
1516 #ifndef OPENSSL_SYS_VMS
1517 BIO_snprintf(buf, sizeof buf, "%s.attr", dbfile);
1518 #else
1519 BIO_snprintf(buf, sizeof buf, "%s-attr", dbfile);
1520 #endif
1521 dbattr_conf = app_load_config(buf);
1522
1523 retdb = app_malloc(sizeof(*retdb), "new DB");
1524 retdb->db = tmpdb;
1525 tmpdb = NULL;
1526 if (db_attr)
1527 retdb->attributes = *db_attr;
1528 else {
1529 retdb->attributes.unique_subject = 1;
1530 }
1531
1532 if (dbattr_conf) {
1533 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1534 if (p) {
1535 retdb->attributes.unique_subject = parse_yesno(p, 1);
1536 }
1537 }
1538
1539 err:
1540 NCONF_free(dbattr_conf);
1541 TXT_DB_free(tmpdb);
1542 BIO_free_all(in);
1543 return retdb;
1544 }
1545
1546 int index_index(CA_DB *db)
1547 {
1548 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1549 LHASH_HASH_FN(index_serial),
1550 LHASH_COMP_FN(index_serial))) {
1551 BIO_printf(bio_err,
1552 "error creating serial number index:(%ld,%ld,%ld)\n",
1553 db->db->error, db->db->arg1, db->db->arg2);
1554 return 0;
1555 }
1556
1557 if (db->attributes.unique_subject
1558 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1559 LHASH_HASH_FN(index_name),
1560 LHASH_COMP_FN(index_name))) {
1561 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1562 db->db->error, db->db->arg1, db->db->arg2);
1563 return 0;
1564 }
1565 return 1;
1566 }
1567
1568 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1569 {
1570 char buf[3][BSIZE];
1571 BIO *out;
1572 int j;
1573
1574 j = strlen(dbfile) + strlen(suffix);
1575 if (j + 6 >= BSIZE) {
1576 BIO_printf(bio_err, "file name too long\n");
1577 goto err;
1578 }
1579 #ifndef OPENSSL_SYS_VMS
1580 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1581 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1582 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1583 #else
1584 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1585 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1586 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1587 #endif
1588 out = BIO_new_file(buf[0], "w");
1589 if (out == NULL) {
1590 perror(dbfile);
1591 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1592 goto err;
1593 }
1594 j = TXT_DB_write(out, db->db);
1595 BIO_free(out);
1596 if (j <= 0)
1597 goto err;
1598
1599 out = BIO_new_file(buf[1], "w");
1600 if (out == NULL) {
1601 perror(buf[2]);
1602 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1603 goto err;
1604 }
1605 BIO_printf(out, "unique_subject = %s\n",
1606 db->attributes.unique_subject ? "yes" : "no");
1607 BIO_free(out);
1608
1609 return 1;
1610 err:
1611 return 0;
1612 }
1613
1614 int rotate_index(const char *dbfile, const char *new_suffix,
1615 const char *old_suffix)
1616 {
1617 char buf[5][BSIZE];
1618 int i, j;
1619
1620 i = strlen(dbfile) + strlen(old_suffix);
1621 j = strlen(dbfile) + strlen(new_suffix);
1622 if (i > j)
1623 j = i;
1624 if (j + 6 >= BSIZE) {
1625 BIO_printf(bio_err, "file name too long\n");
1626 goto err;
1627 }
1628 #ifndef OPENSSL_SYS_VMS
1629 j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1630 j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
1631 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
1632 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
1633 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
1634 #else
1635 j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1636 j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix);
1637 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix);
1638 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix);
1639 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix);
1640 #endif
1641 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1642 #ifdef ENOTDIR
1643 && errno != ENOTDIR
1644 #endif
1645 ) {
1646 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1647 perror("reason");
1648 goto err;
1649 }
1650 if (rename(buf[0], dbfile) < 0) {
1651 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1652 perror("reason");
1653 rename(buf[1], dbfile);
1654 goto err;
1655 }
1656 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1657 #ifdef ENOTDIR
1658 && errno != ENOTDIR
1659 #endif
1660 ) {
1661 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1662 perror("reason");
1663 rename(dbfile, buf[0]);
1664 rename(buf[1], dbfile);
1665 goto err;
1666 }
1667 if (rename(buf[2], buf[4]) < 0) {
1668 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1669 perror("reason");
1670 rename(buf[3], buf[4]);
1671 rename(dbfile, buf[0]);
1672 rename(buf[1], dbfile);
1673 goto err;
1674 }
1675 return 1;
1676 err:
1677 return 0;
1678 }
1679
1680 void free_index(CA_DB *db)
1681 {
1682 if (db) {
1683 TXT_DB_free(db->db);
1684 OPENSSL_free(db);
1685 }
1686 }
1687
1688 int parse_yesno(const char *str, int def)
1689 {
1690 if (str) {
1691 switch (*str) {
1692 case 'f': /* false */
1693 case 'F': /* FALSE */
1694 case 'n': /* no */
1695 case 'N': /* NO */
1696 case '0': /* 0 */
1697 return 0;
1698 case 't': /* true */
1699 case 'T': /* TRUE */
1700 case 'y': /* yes */
1701 case 'Y': /* YES */
1702 case '1': /* 1 */
1703 return 1;
1704 }
1705 }
1706 return def;
1707 }
1708
1709 /*
1710 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1711 * where characters may be escaped by \
1712 */
1713 X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
1714 {
1715 int nextismulti = 0;
1716 char *work;
1717 X509_NAME *n;
1718
1719 if (*cp++ != '/')
1720 return NULL;
1721
1722 n = X509_NAME_new();
1723 if (n == NULL)
1724 return NULL;
1725 work = OPENSSL_strdup(cp);
1726 if (work == NULL)
1727 goto err;
1728
1729 while (*cp) {
1730 char *bp = work;
1731 char *typestr = bp;
1732 unsigned char *valstr;
1733 int nid;
1734 int ismulti = nextismulti;
1735 nextismulti = 0;
1736
1737 /* Collect the type */
1738 while (*cp && *cp != '=')
1739 *bp++ = *cp++;
1740 if (*cp == '\0') {
1741 BIO_printf(bio_err,
1742 "%s: Hit end of string before finding the equals.\n",
1743 opt_getprog());
1744 goto err;
1745 }
1746 *bp++ = '\0';
1747 ++cp;
1748
1749 /* Collect the value. */
1750 valstr = (unsigned char *)bp;
1751 for (; *cp && *cp != '/'; *bp++ = *cp++) {
1752 if (canmulti && *cp == '+') {
1753 nextismulti = 1;
1754 break;
1755 }
1756 if (*cp == '\\' && *++cp == '\0') {
1757 BIO_printf(bio_err,
1758 "%s: escape character at end of string\n",
1759 opt_getprog());
1760 goto err;
1761 }
1762 }
1763 *bp++ = '\0';
1764
1765 /* If not at EOS (must be + or /), move forward. */
1766 if (*cp)
1767 ++cp;
1768
1769 /* Parse */
1770 nid = OBJ_txt2nid(typestr);
1771 if (nid == NID_undef) {
1772 BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n",
1773 opt_getprog(), typestr);
1774 continue;
1775 }
1776 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1777 valstr, strlen((char *)valstr),
1778 -1, ismulti ? -1 : 0))
1779 goto err;
1780 }
1781
1782 OPENSSL_free(work);
1783 return n;
1784
1785 err:
1786 X509_NAME_free(n);
1787 OPENSSL_free(work);
1788 return NULL;
1789 }
1790
1791 /*
1792 * Read whole contents of a BIO into an allocated memory buffer and return
1793 * it.
1794 */
1795
1796 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1797 {
1798 BIO *mem;
1799 int len, ret;
1800 unsigned char tbuf[1024];
1801
1802 mem = BIO_new(BIO_s_mem());
1803 if (mem == NULL)
1804 return -1;
1805 for (;;) {
1806 if ((maxlen != -1) && maxlen < 1024)
1807 len = maxlen;
1808 else
1809 len = 1024;
1810 len = BIO_read(in, tbuf, len);
1811 if (len < 0) {
1812 BIO_free(mem);
1813 return -1;
1814 }
1815 if (len == 0)
1816 break;
1817 if (BIO_write(mem, tbuf, len) != len) {
1818 BIO_free(mem);
1819 return -1;
1820 }
1821 maxlen -= len;
1822
1823 if (maxlen == 0)
1824 break;
1825 }
1826 ret = BIO_get_mem_data(mem, (char **)out);
1827 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1828 BIO_free(mem);
1829 return ret;
1830 }
1831
1832 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1833 {
1834 int rv;
1835 char *stmp, *vtmp = NULL;
1836 stmp = OPENSSL_strdup(value);
1837 if (!stmp)
1838 return -1;
1839 vtmp = strchr(stmp, ':');
1840 if (vtmp) {
1841 *vtmp = 0;
1842 vtmp++;
1843 }
1844 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1845 OPENSSL_free(stmp);
1846 return rv;
1847 }
1848
1849 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1850 {
1851 X509_POLICY_NODE *node;
1852 int i;
1853
1854 BIO_printf(bio_err, "%s Policies:", name);
1855 if (nodes) {
1856 BIO_puts(bio_err, "\n");
1857 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1858 node = sk_X509_POLICY_NODE_value(nodes, i);
1859 X509_POLICY_NODE_print(bio_err, node, 2);
1860 }
1861 } else
1862 BIO_puts(bio_err, " <empty>\n");
1863 }
1864
1865 void policies_print(X509_STORE_CTX *ctx)
1866 {
1867 X509_POLICY_TREE *tree;
1868 int explicit_policy;
1869 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1870 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1871
1872 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1873 explicit_policy ? "True" : "False");
1874
1875 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1876 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1877 }
1878
1879 /*-
1880 * next_protos_parse parses a comma separated list of strings into a string
1881 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1882 * outlen: (output) set to the length of the resulting buffer on success.
1883 * err: (maybe NULL) on failure, an error message line is written to this BIO.
1884 * in: a NUL terminated string like "abc,def,ghi"
1885 *
1886 * returns: a malloc'd buffer or NULL on failure.
1887 */
1888 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1889 {
1890 size_t len;
1891 unsigned char *out;
1892 size_t i, start = 0;
1893
1894 len = strlen(in);
1895 if (len >= 65535)
1896 return NULL;
1897
1898 out = app_malloc(strlen(in) + 1, "NPN buffer");
1899 for (i = 0; i <= len; ++i) {
1900 if (i == len || in[i] == ',') {
1901 if (i - start > 255) {
1902 OPENSSL_free(out);
1903 return NULL;
1904 }
1905 out[start] = i - start;
1906 start = i + 1;
1907 } else
1908 out[i + 1] = in[i];
1909 }
1910
1911 *outlen = len + 1;
1912 return out;
1913 }
1914
1915 void print_cert_checks(BIO *bio, X509 *x,
1916 const char *checkhost,
1917 const char *checkemail, const char *checkip)
1918 {
1919 if (x == NULL)
1920 return;
1921 if (checkhost) {
1922 BIO_printf(bio, "Hostname %s does%s match certificate\n",
1923 checkhost,
1924 X509_check_host(x, checkhost, 0, 0, NULL) == 1
1925 ? "" : " NOT");
1926 }
1927
1928 if (checkemail) {
1929 BIO_printf(bio, "Email %s does%s match certificate\n",
1930 checkemail, X509_check_email(x, checkemail, 0, 0)
1931 ? "" : " NOT");
1932 }
1933
1934 if (checkip) {
1935 BIO_printf(bio, "IP %s does%s match certificate\n",
1936 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
1937 }
1938 }
1939
1940 /* Get first http URL from a DIST_POINT structure */
1941
1942 static const char *get_dp_url(DIST_POINT *dp)
1943 {
1944 GENERAL_NAMES *gens;
1945 GENERAL_NAME *gen;
1946 int i, gtype;
1947 ASN1_STRING *uri;
1948 if (!dp->distpoint || dp->distpoint->type != 0)
1949 return NULL;
1950 gens = dp->distpoint->name.fullname;
1951 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
1952 gen = sk_GENERAL_NAME_value(gens, i);
1953 uri = GENERAL_NAME_get0_value(gen, &gtype);
1954 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
1955 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
1956 if (strncmp(uptr, "http://", 7) == 0)
1957 return uptr;
1958 }
1959 }
1960 return NULL;
1961 }
1962
1963 /*
1964 * Look through a CRLDP structure and attempt to find an http URL to
1965 * downloads a CRL from.
1966 */
1967
1968 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
1969 {
1970 int i;
1971 const char *urlptr = NULL;
1972 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
1973 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
1974 urlptr = get_dp_url(dp);
1975 if (urlptr)
1976 return load_crl(urlptr, FORMAT_HTTP);
1977 }
1978 return NULL;
1979 }
1980
1981 /*
1982 * Example of downloading CRLs from CRLDP: not usable for real world as it
1983 * always downloads, doesn't support non-blocking I/O and doesn't cache
1984 * anything.
1985 */
1986
1987 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
1988 {
1989 X509 *x;
1990 STACK_OF(X509_CRL) *crls = NULL;
1991 X509_CRL *crl;
1992 STACK_OF(DIST_POINT) *crldp;
1993
1994 crls = sk_X509_CRL_new_null();
1995 if (!crls)
1996 return NULL;
1997 x = X509_STORE_CTX_get_current_cert(ctx);
1998 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
1999 crl = load_crl_crldp(crldp);
2000 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2001 if (!crl) {
2002 sk_X509_CRL_free(crls);
2003 return NULL;
2004 }
2005 sk_X509_CRL_push(crls, crl);
2006 /* Try to download delta CRL */
2007 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2008 crl = load_crl_crldp(crldp);
2009 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2010 if (crl)
2011 sk_X509_CRL_push(crls, crl);
2012 return crls;
2013 }
2014
2015 void store_setup_crl_download(X509_STORE *st)
2016 {
2017 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2018 }
2019
2020 /*
2021 * Platform-specific sections
2022 */
2023 #if defined(_WIN32)
2024 # ifdef fileno
2025 # undef fileno
2026 # define fileno(a) (int)_fileno(a)
2027 # endif
2028
2029 # include <windows.h>
2030 # include <tchar.h>
2031
2032 static int WIN32_rename(const char *from, const char *to)
2033 {
2034 TCHAR *tfrom = NULL, *tto;
2035 DWORD err;
2036 int ret = 0;
2037
2038 if (sizeof(TCHAR) == 1) {
2039 tfrom = (TCHAR *)from;
2040 tto = (TCHAR *)to;
2041 } else { /* UNICODE path */
2042
2043 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2044 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2045 if (tfrom == NULL)
2046 goto err;
2047 tto = tfrom + flen;
2048 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2049 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2050 # endif
2051 for (i = 0; i < flen; i++)
2052 tfrom[i] = (TCHAR)from[i];
2053 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2054 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2055 # endif
2056 for (i = 0; i < tlen; i++)
2057 tto[i] = (TCHAR)to[i];
2058 }
2059
2060 if (MoveFile(tfrom, tto))
2061 goto ok;
2062 err = GetLastError();
2063 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2064 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2065 goto ok;
2066 err = GetLastError();
2067 }
2068 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2069 errno = ENOENT;
2070 else if (err == ERROR_ACCESS_DENIED)
2071 errno = EACCES;
2072 else
2073 errno = EINVAL; /* we could map more codes... */
2074 err:
2075 ret = -1;
2076 ok:
2077 if (tfrom != NULL && tfrom != (TCHAR *)from)
2078 free(tfrom);
2079 return ret;
2080 }
2081 #endif
2082
2083 /* app_tminterval section */
2084 #if defined(_WIN32)
2085 double app_tminterval(int stop, int usertime)
2086 {
2087 FILETIME now;
2088 double ret = 0;
2089 static ULARGE_INTEGER tmstart;
2090 static int warning = 1;
2091 # ifdef _WIN32_WINNT
2092 static HANDLE proc = NULL;
2093
2094 if (proc == NULL) {
2095 if (check_winnt())
2096 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2097 GetCurrentProcessId());
2098 if (proc == NULL)
2099 proc = (HANDLE) - 1;
2100 }
2101
2102 if (usertime && proc != (HANDLE) - 1) {
2103 FILETIME junk;
2104 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2105 } else
2106 # endif
2107 {
2108 SYSTEMTIME systime;
2109
2110 if (usertime && warning) {
2111 BIO_printf(bio_err, "To get meaningful results, run "
2112 "this program on idle system.\n");
2113 warning = 0;
2114 }
2115 GetSystemTime(&systime);
2116 SystemTimeToFileTime(&systime, &now);
2117 }
2118
2119 if (stop == TM_START) {
2120 tmstart.u.LowPart = now.dwLowDateTime;
2121 tmstart.u.HighPart = now.dwHighDateTime;
2122 } else {
2123 ULARGE_INTEGER tmstop;
2124
2125 tmstop.u.LowPart = now.dwLowDateTime;
2126 tmstop.u.HighPart = now.dwHighDateTime;
2127
2128 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2129 }
2130
2131 return (ret);
2132 }
2133 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2134 # include <time.h>
2135
2136 double app_tminterval(int stop, int usertime)
2137 {
2138 double ret = 0;
2139 # ifdef CLOCK_REALTIME
2140 static struct timespec tmstart;
2141 struct timespec now;
2142 # else
2143 static unsigned long tmstart;
2144 unsigned long now;
2145 # endif
2146 static int warning = 1;
2147
2148 if (usertime && warning) {
2149 BIO_printf(bio_err, "To get meaningful results, run "
2150 "this program on idle system.\n");
2151 warning = 0;
2152 }
2153 # ifdef CLOCK_REALTIME
2154 clock_gettime(CLOCK_REALTIME, &now);
2155 if (stop == TM_START)
2156 tmstart = now;
2157 else
2158 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2159 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2160 # else
2161 now = tickGet();
2162 if (stop == TM_START)
2163 tmstart = now;
2164 else
2165 ret = (now - tmstart) / (double)sysClkRateGet();
2166 # endif
2167 return (ret);
2168 }
2169
2170 #elif defined(OPENSSL_SYSTEM_VMS)
2171 # include <time.h>
2172 # include <times.h>
2173
2174 double app_tminterval(int stop, int usertime)
2175 {
2176 static clock_t tmstart;
2177 double ret = 0;
2178 clock_t now;
2179 # ifdef __TMS
2180 struct tms rus;
2181
2182 now = times(&rus);
2183 if (usertime)
2184 now = rus.tms_utime;
2185 # else
2186 if (usertime)
2187 now = clock(); /* sum of user and kernel times */
2188 else {
2189 struct timeval tv;
2190 gettimeofday(&tv, NULL);
2191 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2192 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2193 );
2194 }
2195 # endif
2196 if (stop == TM_START)
2197 tmstart = now;
2198 else
2199 ret = (now - tmstart) / (double)(CLK_TCK);
2200
2201 return (ret);
2202 }
2203
2204 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2205 # include <sys/times.h>
2206
2207 double app_tminterval(int stop, int usertime)
2208 {
2209 double ret = 0;
2210 struct tms rus;
2211 clock_t now = times(&rus);
2212 static clock_t tmstart;
2213
2214 if (usertime)
2215 now = rus.tms_utime;
2216
2217 if (stop == TM_START)
2218 tmstart = now;
2219 else {
2220 long int tck = sysconf(_SC_CLK_TCK);
2221 ret = (now - tmstart) / (double)tck;
2222 }
2223
2224 return (ret);
2225 }
2226
2227 #else
2228 # include <sys/time.h>
2229 # include <sys/resource.h>
2230
2231 double app_tminterval(int stop, int usertime)
2232 {
2233 double ret = 0;
2234 struct rusage rus;
2235 struct timeval now;
2236 static struct timeval tmstart;
2237
2238 if (usertime)
2239 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2240 else
2241 gettimeofday(&now, NULL);
2242
2243 if (stop == TM_START)
2244 tmstart = now;
2245 else
2246 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2247 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2248
2249 return ret;
2250 }
2251 #endif
2252
2253 int app_access(const char* name, int flag)
2254 {
2255 #ifdef _WIN32
2256 return _access(name, flag);
2257 #else
2258 return access(name, flag);
2259 #endif
2260 }
2261
2262 /* app_isdir section */
2263 #ifdef _WIN32
2264 int app_isdir(const char *name)
2265 {
2266 HANDLE hList;
2267 WIN32_FIND_DATA FileData;
2268 # if defined(UNICODE) || defined(_UNICODE)
2269 size_t i, len_0 = strlen(name) + 1;
2270
2271 if (len_0 > OSSL_NELEM(FileData.cFileName))
2272 return -1;
2273
2274 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2275 if (!MultiByteToWideChar
2276 (CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
2277 # endif
2278 for (i = 0; i < len_0; i++)
2279 FileData.cFileName[i] = (WCHAR)name[i];
2280
2281 hList = FindFirstFile(FileData.cFileName, &FileData);
2282 # else
2283 hList = FindFirstFile(name, &FileData);
2284 # endif
2285 if (hList == INVALID_HANDLE_VALUE)
2286 return -1;
2287 FindClose(hList);
2288 return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
2289 }
2290 #else
2291 # include <sys/stat.h>
2292 # ifndef S_ISDIR
2293 # if defined(_S_IFMT) && defined(_S_IFDIR)
2294 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
2295 # else
2296 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
2297 # endif
2298 # endif
2299
2300 int app_isdir(const char *name)
2301 {
2302 # if defined(S_ISDIR)
2303 struct stat st;
2304
2305 if (stat(name, &st) == 0)
2306 return S_ISDIR(st.st_mode);
2307 else
2308 return -1;
2309 # else
2310 return -1;
2311 # endif
2312 }
2313 #endif
2314
2315 /* raw_read|write section */
2316 #if defined(__VMS)
2317 # include "vms_term_sock.h"
2318 static int stdin_sock = -1;
2319
2320 static void close_stdin_sock(void)
2321 {
2322 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2323 }
2324
2325 int fileno_stdin(void)
2326 {
2327 if (stdin_sock == -1) {
2328 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2329 atexit(close_stdin_sock);
2330 }
2331
2332 return stdin_sock;
2333 }
2334 #else
2335 int fileno_stdin(void)
2336 {
2337 return fileno(stdin);
2338 }
2339 #endif
2340
2341 int fileno_stdout(void)
2342 {
2343 return fileno(stdout);
2344 }
2345
2346 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2347 int raw_read_stdin(void *buf, int siz)
2348 {
2349 DWORD n;
2350 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2351 return (n);
2352 else
2353 return (-1);
2354 }
2355 #elif defined(__VMS)
2356 #include <sys/socket.h>
2357
2358 int raw_read_stdin(void *buf, int siz)
2359 {
2360 return recv(fileno_stdin(), buf, siz, 0);
2361 }
2362 #else
2363 int raw_read_stdin(void *buf, int siz)
2364 {
2365 return read(fileno_stdin(), buf, siz);
2366 }
2367 #endif
2368
2369 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2370 int raw_write_stdout(const void *buf, int siz)
2371 {
2372 DWORD n;
2373 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2374 return (n);
2375 else
2376 return (-1);
2377 }
2378 #else
2379 int raw_write_stdout(const void *buf, int siz)
2380 {
2381 return write(fileno_stdout(), buf, siz);
2382 }
2383 #endif
2384
2385 /*
2386 * Centralized handling if input and output files with format specification
2387 * The format is meant to show what the input and output is supposed to be,
2388 * and is therefore a show of intent more than anything else. However, it
2389 * does impact behavior on some platform, such as differentiating between
2390 * text and binary input/output on non-Unix platforms
2391 */
2392 static int istext(int format)
2393 {
2394 return (format & B_FORMAT_TEXT) == B_FORMAT_TEXT;
2395 }
2396
2397 BIO *dup_bio_in(int format)
2398 {
2399 return BIO_new_fp(stdin,
2400 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2401 }
2402
2403 BIO *dup_bio_out(int format)
2404 {
2405 BIO *b = BIO_new_fp(stdout,
2406 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2407 #ifdef OPENSSL_SYS_VMS
2408 if (istext(format))
2409 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2410 #endif
2411 return b;
2412 }
2413
2414 BIO *dup_bio_err(int format)
2415 {
2416 BIO *b = BIO_new_fp(stderr,
2417 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2418 #ifdef OPENSSL_SYS_VMS
2419 if (istext(format))
2420 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2421 #endif
2422 return b;
2423 }
2424
2425 void unbuffer(FILE *fp)
2426 {
2427 /*
2428 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2429 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2430 * However, we trust that the C RTL will never give us a FILE pointer
2431 * above the first 4 GB of memory, so we simply turn off the warning
2432 * temporarily.
2433 */
2434 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2435 # pragma environment save
2436 # pragma message disable maylosedata2
2437 #endif
2438 setbuf(fp, NULL);
2439 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2440 # pragma environment restore
2441 #endif
2442 }
2443
2444 static const char *modestr(char mode, int format)
2445 {
2446 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2447
2448 switch (mode) {
2449 case 'a':
2450 return istext(format) ? "a" : "ab";
2451 case 'r':
2452 return istext(format) ? "r" : "rb";
2453 case 'w':
2454 return istext(format) ? "w" : "wb";
2455 }
2456 /* The assert above should make sure we never reach this point */
2457 return NULL;
2458 }
2459
2460 static const char *modeverb(char mode)
2461 {
2462 switch (mode) {
2463 case 'a':
2464 return "appending";
2465 case 'r':
2466 return "reading";
2467 case 'w':
2468 return "writing";
2469 }
2470 return "(doing something)";
2471 }
2472
2473 /*
2474 * Open a file for writing, owner-read-only.
2475 */
2476 BIO *bio_open_owner(const char *filename, int format, int private)
2477 {
2478 FILE *fp = NULL;
2479 BIO *b = NULL;
2480 int fd = -1, bflags, mode, textmode;
2481
2482 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2483 return bio_open_default(filename, 'w', format);
2484
2485 mode = O_WRONLY;
2486 #ifdef O_CREAT
2487 mode |= O_CREAT;
2488 #endif
2489 #ifdef O_TRUNC
2490 mode |= O_TRUNC;
2491 #endif
2492 textmode = istext(format);
2493 if (!textmode) {
2494 #ifdef O_BINARY
2495 mode |= O_BINARY;
2496 #elif defined(_O_BINARY)
2497 mode |= _O_BINARY;
2498 #endif
2499 }
2500
2501 #ifdef OPENSSL_SYS_VMS
2502 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2503 * it still needs to know that we're going binary, or fdopen()
2504 * will fail with "invalid argument"... so we tell VMS what the
2505 * context is.
2506 */
2507 if (!textmode)
2508 fd = open(filename, mode, 0600, "ctx=bin");
2509 else
2510 #endif
2511 fd = open(filename, mode, 0600);
2512 if (fd < 0)
2513 goto err;
2514 fp = fdopen(fd, modestr('w', format));
2515 if (fp == NULL)
2516 goto err;
2517 bflags = BIO_CLOSE;
2518 if (textmode)
2519 bflags |= BIO_FP_TEXT;
2520 b = BIO_new_fp(fp, bflags);
2521 if (b)
2522 return b;
2523
2524 err:
2525 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2526 opt_getprog(), filename, strerror(errno));
2527 ERR_print_errors(bio_err);
2528 /* If we have fp, then fdopen took over fd, so don't close both. */
2529 if (fp)
2530 fclose(fp);
2531 else if (fd >= 0)
2532 close(fd);
2533 return NULL;
2534 }
2535
2536 static BIO *bio_open_default_(const char *filename, char mode, int format,
2537 int quiet)
2538 {
2539 BIO *ret;
2540
2541 if (filename == NULL || strcmp(filename, "-") == 0) {
2542 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2543 if (quiet) {
2544 ERR_clear_error();
2545 return ret;
2546 }
2547 if (ret != NULL)
2548 return ret;
2549 BIO_printf(bio_err,
2550 "Can't open %s, %s\n",
2551 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2552 } else {
2553 ret = BIO_new_file(filename, modestr(mode, format));
2554 if (quiet) {
2555 ERR_clear_error();
2556 return ret;
2557 }
2558 if (ret != NULL)
2559 return ret;
2560 BIO_printf(bio_err,
2561 "Can't open %s for %s, %s\n",
2562 filename, modeverb(mode), strerror(errno));
2563 }
2564 ERR_print_errors(bio_err);
2565 return NULL;
2566 }
2567
2568 BIO *bio_open_default(const char *filename, char mode, int format)
2569 {
2570 return bio_open_default_(filename, mode, format, 0);
2571 }
2572
2573 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2574 {
2575 return bio_open_default_(filename, mode, format, 1);
2576 }
2577
2578 void wait_for_async(SSL *s)
2579 {
2580 /* On Windows select only works for sockets, so we simply don't wait */
2581 #ifndef OPENSSL_SYS_WINDOWS
2582 int width = 0;
2583 fd_set asyncfds;
2584 OSSL_ASYNC_FD *fds;
2585 size_t numfds;
2586
2587 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2588 return;
2589 if (numfds == 0)
2590 return;
2591 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2592 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2593 OPENSSL_free(fds);
2594 }
2595
2596 FD_ZERO(&asyncfds);
2597 while (numfds > 0) {
2598 if (width <= (int)*fds)
2599 width = (int)*fds + 1;
2600 openssl_fdset((int)*fds, &asyncfds);
2601 numfds--;
2602 fds++;
2603 }
2604 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2605 #endif
2606 }
2607
2608 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2609 #if defined(OPENSSL_SYS_MSDOS)
2610 int has_stdin_waiting(void)
2611 {
2612 # if defined(OPENSSL_SYS_WINDOWS)
2613 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2614 DWORD events = 0;
2615 INPUT_RECORD inputrec;
2616 DWORD insize = 1;
2617 BOOL peeked;
2618
2619 if (inhand == INVALID_HANDLE_VALUE) {
2620 return 0;
2621 }
2622
2623 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2624 if (!peeked) {
2625 /* Probably redirected input? _kbhit() does not work in this case */
2626 if (!feof(stdin)) {
2627 return 1;
2628 }
2629 return 0;
2630 }
2631 # endif
2632 return _kbhit();
2633 }
2634 #endif
2635
2636 /* Corrupt a signature by modifying final byte */
2637 void corrupt_signature(const ASN1_STRING *signature)
2638 {
2639 unsigned char *s = signature->data;
2640 s[signature->length - 1] ^= 0x1;
2641 }
2642
2643 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2644 int days)
2645 {
2646 if (startdate == NULL || strcmp(startdate, "today") == 0) {
2647 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2648 return 0;
2649 } else {
2650 if (!ASN1_TIME_set_string(X509_getm_notBefore(x), startdate))
2651 return 0;
2652 }
2653 if (enddate == NULL) {
2654 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2655 == NULL)
2656 return 0;
2657 } else if (!ASN1_TIME_set_string(X509_getm_notAfter(x), enddate)) {
2658 return 0;
2659 }
2660 return 1;
2661 }
A mirror of the official openssl repository