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1 /*
2 * Copyright 1995-2018 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 #include <sys/types.h>
22 #ifndef OPENSSL_NO_POSIX_IO
23 # include <sys/stat.h>
24 # include <fcntl.h>
25 #endif
26 #include <ctype.h>
27 #include <errno.h>
28 #include <openssl/err.h>
29 #include <openssl/x509.h>
30 #include <openssl/x509v3.h>
31 #include <openssl/pem.h>
32 #include <openssl/pkcs12.h>
33 #include <openssl/ui.h>
34 #include <openssl/safestack.h>
35 #ifndef OPENSSL_NO_ENGINE
36 # include <openssl/engine.h>
37 #endif
38 #ifndef OPENSSL_NO_RSA
39 # include <openssl/rsa.h>
40 #endif
41 #include <openssl/bn.h>
42 #include <openssl/ssl.h>
43 #include "s_apps.h"
44 #include "apps.h"
45
46 #ifdef _WIN32
47 static int WIN32_rename(const char *from, const char *to);
48 # define rename(from,to) WIN32_rename((from),(to))
49 #endif
50
51 typedef struct {
52 const char *name;
53 unsigned long flag;
54 unsigned long mask;
55 } NAME_EX_TBL;
56
57 static UI_METHOD *ui_method = NULL;
58 static const UI_METHOD *ui_fallback_method = NULL;
59
60 static int set_table_opts(unsigned long *flags, const char *arg,
61 const NAME_EX_TBL * in_tbl);
62 static int set_multi_opts(unsigned long *flags, const char *arg,
63 const NAME_EX_TBL * in_tbl);
64
65 int app_init(long mesgwin);
66
67 int chopup_args(ARGS *arg, char *buf)
68 {
69 int quoted;
70 char c = '\0', *p = NULL;
71
72 arg->argc = 0;
73 if (arg->size == 0) {
74 arg->size = 20;
75 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
76 }
77
78 for (p = buf;;) {
79 /* Skip whitespace. */
80 while (*p && isspace(_UC(*p)))
81 p++;
82 if (!*p)
83 break;
84
85 /* The start of something good :-) */
86 if (arg->argc >= arg->size) {
87 char **tmp;
88 arg->size += 20;
89 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
90 if (tmp == NULL)
91 return 0;
92 arg->argv = tmp;
93 }
94 quoted = *p == '\'' || *p == '"';
95 if (quoted)
96 c = *p++;
97 arg->argv[arg->argc++] = p;
98
99 /* now look for the end of this */
100 if (quoted) {
101 while (*p && *p != c)
102 p++;
103 *p++ = '\0';
104 } else {
105 while (*p && !isspace(_UC(*p)))
106 p++;
107 if (*p)
108 *p++ = '\0';
109 }
110 }
111 arg->argv[arg->argc] = NULL;
112 return 1;
113 }
114
115 #ifndef APP_INIT
116 int app_init(long mesgwin)
117 {
118 return 1;
119 }
120 #endif
121
122 int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
123 const char *CApath, int noCAfile, int noCApath)
124 {
125 if (CAfile == NULL && CApath == NULL) {
126 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
127 return 0;
128 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
129 return 0;
130
131 return 1;
132 }
133 return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
134 }
135
136 #ifndef OPENSSL_NO_CT
137
138 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
139 {
140 if (path == NULL)
141 return SSL_CTX_set_default_ctlog_list_file(ctx);
142
143 return SSL_CTX_set_ctlog_list_file(ctx, path);
144 }
145
146 #endif
147
148 static unsigned long nmflag = 0;
149 static char nmflag_set = 0;
150
151 int set_nameopt(const char *arg)
152 {
153 int ret = set_name_ex(&nmflag, arg);
154
155 if (ret)
156 nmflag_set = 1;
157
158 return ret;
159 }
160
161 unsigned long get_nameopt(void)
162 {
163 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
164 }
165
166 int dump_cert_text(BIO *out, X509 *x)
167 {
168 print_name(out, "subject=", X509_get_subject_name(x), get_nameopt());
169 BIO_puts(out, "\n");
170 print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt());
171 BIO_puts(out, "\n");
172
173 return 0;
174 }
175
176 static int ui_open(UI *ui)
177 {
178 int (*opener)(UI *ui) = UI_method_get_opener(ui_fallback_method);
179
180 if (opener)
181 return opener(ui);
182 return 1;
183 }
184
185 static int ui_read(UI *ui, UI_STRING *uis)
186 {
187 int (*reader)(UI *ui, UI_STRING *uis) = NULL;
188
189 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
190 && UI_get0_user_data(ui)) {
191 switch (UI_get_string_type(uis)) {
192 case UIT_PROMPT:
193 case UIT_VERIFY:
194 {
195 const char *password =
196 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
197 if (password && password[0] != '\0') {
198 UI_set_result(ui, uis, password);
199 return 1;
200 }
201 }
202 break;
203 case UIT_NONE:
204 case UIT_BOOLEAN:
205 case UIT_INFO:
206 case UIT_ERROR:
207 break;
208 }
209 }
210
211 reader = UI_method_get_reader(ui_fallback_method);
212 if (reader)
213 return reader(ui, uis);
214 return 1;
215 }
216
217 static int ui_write(UI *ui, UI_STRING *uis)
218 {
219 int (*writer)(UI *ui, UI_STRING *uis) = NULL;
220
221 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
222 && UI_get0_user_data(ui)) {
223 switch (UI_get_string_type(uis)) {
224 case UIT_PROMPT:
225 case UIT_VERIFY:
226 {
227 const char *password =
228 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
229 if (password && password[0] != '\0')
230 return 1;
231 }
232 break;
233 case UIT_NONE:
234 case UIT_BOOLEAN:
235 case UIT_INFO:
236 case UIT_ERROR:
237 break;
238 }
239 }
240
241 writer = UI_method_get_writer(ui_fallback_method);
242 if (writer)
243 return writer(ui, uis);
244 return 1;
245 }
246
247 static int ui_close(UI *ui)
248 {
249 int (*closer)(UI *ui) = UI_method_get_closer(ui_fallback_method);
250
251 if (closer)
252 return closer(ui);
253 return 1;
254 }
255
256 int setup_ui_method(void)
257 {
258 ui_fallback_method = UI_null();
259 #ifndef OPENSSL_NO_UI_CONSOLE
260 ui_fallback_method = UI_OpenSSL();
261 #endif
262 ui_method = UI_create_method("OpenSSL application user interface");
263 UI_method_set_opener(ui_method, ui_open);
264 UI_method_set_reader(ui_method, ui_read);
265 UI_method_set_writer(ui_method, ui_write);
266 UI_method_set_closer(ui_method, ui_close);
267 return 0;
268 }
269
270 void destroy_ui_method(void)
271 {
272 if (ui_method) {
273 UI_destroy_method(ui_method);
274 ui_method = NULL;
275 }
276 }
277
278 const UI_METHOD *get_ui_method(void)
279 {
280 return ui_method;
281 }
282
283 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
284 {
285 int res = 0;
286 UI *ui = NULL;
287 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
288
289 ui = UI_new_method(ui_method);
290 if (ui) {
291 int ok = 0;
292 char *buff = NULL;
293 int ui_flags = 0;
294 const char *prompt_info = NULL;
295 char *prompt;
296
297 if (cb_data != NULL && cb_data->prompt_info != NULL)
298 prompt_info = cb_data->prompt_info;
299 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
300 if (!prompt) {
301 BIO_printf(bio_err, "Out of memory\n");
302 UI_free(ui);
303 return 0;
304 }
305
306 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
307 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
308
309 /* We know that there is no previous user data to return to us */
310 (void)UI_add_user_data(ui, cb_data);
311
312 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
313 PW_MIN_LENGTH, bufsiz - 1);
314
315 if (ok >= 0 && verify) {
316 buff = app_malloc(bufsiz, "password buffer");
317 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
318 PW_MIN_LENGTH, bufsiz - 1, buf);
319 }
320 if (ok >= 0)
321 do {
322 ok = UI_process(ui);
323 } while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
324
325 OPENSSL_clear_free(buff, (unsigned int)bufsiz);
326
327 if (ok >= 0)
328 res = strlen(buf);
329 if (ok == -1) {
330 BIO_printf(bio_err, "User interface error\n");
331 ERR_print_errors(bio_err);
332 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
333 res = 0;
334 }
335 if (ok == -2) {
336 BIO_printf(bio_err, "aborted!\n");
337 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
338 res = 0;
339 }
340 UI_free(ui);
341 OPENSSL_free(prompt);
342 }
343 return res;
344 }
345
346 static char *app_get_pass(const char *arg, int keepbio);
347
348 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
349 {
350 int same;
351 if (arg2 == NULL || arg1 == NULL || strcmp(arg1, arg2))
352 same = 0;
353 else
354 same = 1;
355 if (arg1 != NULL) {
356 *pass1 = app_get_pass(arg1, same);
357 if (*pass1 == NULL)
358 return 0;
359 } else if (pass1 != NULL) {
360 *pass1 = NULL;
361 }
362 if (arg2 != NULL) {
363 *pass2 = app_get_pass(arg2, same ? 2 : 0);
364 if (*pass2 == NULL)
365 return 0;
366 } else if (pass2 != NULL) {
367 *pass2 = NULL;
368 }
369 return 1;
370 }
371
372 static char *app_get_pass(const char *arg, int keepbio)
373 {
374 char *tmp, tpass[APP_PASS_LEN];
375 static BIO *pwdbio = NULL;
376 int i;
377
378 if (strncmp(arg, "pass:", 5) == 0)
379 return OPENSSL_strdup(arg + 5);
380 if (strncmp(arg, "env:", 4) == 0) {
381 tmp = getenv(arg + 4);
382 if (tmp == NULL) {
383 BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4);
384 return NULL;
385 }
386 return OPENSSL_strdup(tmp);
387 }
388 if (!keepbio || pwdbio == NULL) {
389 if (strncmp(arg, "file:", 5) == 0) {
390 pwdbio = BIO_new_file(arg + 5, "r");
391 if (pwdbio == NULL) {
392 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
393 return NULL;
394 }
395 #if !defined(_WIN32)
396 /*
397 * Under _WIN32, which covers even Win64 and CE, file
398 * descriptors referenced by BIO_s_fd are not inherited
399 * by child process and therefore below is not an option.
400 * It could have been an option if bss_fd.c was operating
401 * on real Windows descriptors, such as those obtained
402 * with CreateFile.
403 */
404 } else if (strncmp(arg, "fd:", 3) == 0) {
405 BIO *btmp;
406 i = atoi(arg + 3);
407 if (i >= 0)
408 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
409 if ((i < 0) || !pwdbio) {
410 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
411 return NULL;
412 }
413 /*
414 * Can't do BIO_gets on an fd BIO so add a buffering BIO
415 */
416 btmp = BIO_new(BIO_f_buffer());
417 pwdbio = BIO_push(btmp, pwdbio);
418 #endif
419 } else if (strcmp(arg, "stdin") == 0) {
420 pwdbio = dup_bio_in(FORMAT_TEXT);
421 if (!pwdbio) {
422 BIO_printf(bio_err, "Can't open BIO for stdin\n");
423 return NULL;
424 }
425 } else {
426 BIO_printf(bio_err, "Invalid password argument \"%s\"\n", arg);
427 return NULL;
428 }
429 }
430 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
431 if (keepbio != 1) {
432 BIO_free_all(pwdbio);
433 pwdbio = NULL;
434 }
435 if (i <= 0) {
436 BIO_printf(bio_err, "Error reading password from BIO\n");
437 return NULL;
438 }
439 tmp = strchr(tpass, '\n');
440 if (tmp != NULL)
441 *tmp = 0;
442 return OPENSSL_strdup(tpass);
443 }
444
445 CONF *app_load_config_bio(BIO *in, const char *filename)
446 {
447 long errorline = -1;
448 CONF *conf;
449 int i;
450
451 conf = NCONF_new(NULL);
452 i = NCONF_load_bio(conf, in, &errorline);
453 if (i > 0)
454 return conf;
455
456 if (errorline <= 0) {
457 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
458 } else {
459 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
460 errorline);
461 }
462 if (filename != NULL)
463 BIO_printf(bio_err, "config file \"%s\"\n", filename);
464 else
465 BIO_printf(bio_err, "config input");
466
467 NCONF_free(conf);
468 return NULL;
469 }
470
471 CONF *app_load_config(const char *filename)
472 {
473 BIO *in;
474 CONF *conf;
475
476 in = bio_open_default(filename, 'r', FORMAT_TEXT);
477 if (in == NULL)
478 return NULL;
479
480 conf = app_load_config_bio(in, filename);
481 BIO_free(in);
482 return conf;
483 }
484
485 CONF *app_load_config_quiet(const char *filename)
486 {
487 BIO *in;
488 CONF *conf;
489
490 in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
491 if (in == NULL)
492 return NULL;
493
494 conf = app_load_config_bio(in, filename);
495 BIO_free(in);
496 return conf;
497 }
498
499 int app_load_modules(const CONF *config)
500 {
501 CONF *to_free = NULL;
502
503 if (config == NULL)
504 config = to_free = app_load_config_quiet(default_config_file);
505 if (config == NULL)
506 return 1;
507
508 if (CONF_modules_load(config, NULL, 0) <= 0) {
509 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
510 ERR_print_errors(bio_err);
511 NCONF_free(to_free);
512 return 0;
513 }
514 NCONF_free(to_free);
515 return 1;
516 }
517
518 int add_oid_section(CONF *conf)
519 {
520 char *p;
521 STACK_OF(CONF_VALUE) *sktmp;
522 CONF_VALUE *cnf;
523 int i;
524
525 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
526 ERR_clear_error();
527 return 1;
528 }
529 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
530 BIO_printf(bio_err, "problem loading oid section %s\n", p);
531 return 0;
532 }
533 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
534 cnf = sk_CONF_VALUE_value(sktmp, i);
535 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
536 BIO_printf(bio_err, "problem creating object %s=%s\n",
537 cnf->name, cnf->value);
538 return 0;
539 }
540 }
541 return 1;
542 }
543
544 static int load_pkcs12(BIO *in, const char *desc,
545 pem_password_cb *pem_cb, void *cb_data,
546 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
547 {
548 const char *pass;
549 char tpass[PEM_BUFSIZE];
550 int len, ret = 0;
551 PKCS12 *p12;
552 p12 = d2i_PKCS12_bio(in, NULL);
553 if (p12 == NULL) {
554 BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
555 goto die;
556 }
557 /* See if an empty password will do */
558 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
559 pass = "";
560 } else {
561 if (!pem_cb)
562 pem_cb = (pem_password_cb *)password_callback;
563 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
564 if (len < 0) {
565 BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
566 goto die;
567 }
568 if (len < PEM_BUFSIZE)
569 tpass[len] = 0;
570 if (!PKCS12_verify_mac(p12, tpass, len)) {
571 BIO_printf(bio_err,
572 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
573 desc);
574 goto die;
575 }
576 pass = tpass;
577 }
578 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
579 die:
580 PKCS12_free(p12);
581 return ret;
582 }
583
584 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
585 static int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
586 {
587 char *host = NULL, *port = NULL, *path = NULL;
588 BIO *bio = NULL;
589 OCSP_REQ_CTX *rctx = NULL;
590 int use_ssl, rv = 0;
591 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
592 goto err;
593 if (use_ssl) {
594 BIO_puts(bio_err, "https not supported\n");
595 goto err;
596 }
597 bio = BIO_new_connect(host);
598 if (!bio || !BIO_set_conn_port(bio, port))
599 goto err;
600 rctx = OCSP_REQ_CTX_new(bio, 1024);
601 if (rctx == NULL)
602 goto err;
603 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
604 goto err;
605 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
606 goto err;
607 if (pcert) {
608 do {
609 rv = X509_http_nbio(rctx, pcert);
610 } while (rv == -1);
611 } else {
612 do {
613 rv = X509_CRL_http_nbio(rctx, pcrl);
614 } while (rv == -1);
615 }
616
617 err:
618 OPENSSL_free(host);
619 OPENSSL_free(path);
620 OPENSSL_free(port);
621 BIO_free_all(bio);
622 OCSP_REQ_CTX_free(rctx);
623 if (rv != 1) {
624 BIO_printf(bio_err, "Error loading %s from %s\n",
625 pcert ? "certificate" : "CRL", url);
626 ERR_print_errors(bio_err);
627 }
628 return rv;
629 }
630 #endif
631
632 X509 *load_cert(const char *file, int format, const char *cert_descrip)
633 {
634 X509 *x = NULL;
635 BIO *cert;
636
637 if (format == FORMAT_HTTP) {
638 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
639 load_cert_crl_http(file, &x, NULL);
640 #endif
641 return x;
642 }
643
644 if (file == NULL) {
645 unbuffer(stdin);
646 cert = dup_bio_in(format);
647 } else {
648 cert = bio_open_default(file, 'r', format);
649 }
650 if (cert == NULL)
651 goto end;
652
653 if (format == FORMAT_ASN1) {
654 x = d2i_X509_bio(cert, NULL);
655 } else if (format == FORMAT_PEM) {
656 x = PEM_read_bio_X509_AUX(cert, NULL,
657 (pem_password_cb *)password_callback, NULL);
658 } else if (format == FORMAT_PKCS12) {
659 if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
660 goto end;
661 } else {
662 BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
663 goto end;
664 }
665 end:
666 if (x == NULL) {
667 BIO_printf(bio_err, "unable to load certificate\n");
668 ERR_print_errors(bio_err);
669 }
670 BIO_free(cert);
671 return x;
672 }
673
674 X509_CRL *load_crl(const char *infile, int format)
675 {
676 X509_CRL *x = NULL;
677 BIO *in = NULL;
678
679 if (format == FORMAT_HTTP) {
680 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
681 load_cert_crl_http(infile, NULL, &x);
682 #endif
683 return x;
684 }
685
686 in = bio_open_default(infile, 'r', format);
687 if (in == NULL)
688 goto end;
689 if (format == FORMAT_ASN1) {
690 x = d2i_X509_CRL_bio(in, NULL);
691 } else if (format == FORMAT_PEM) {
692 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
693 } else {
694 BIO_printf(bio_err, "bad input format specified for input crl\n");
695 goto end;
696 }
697 if (x == NULL) {
698 BIO_printf(bio_err, "unable to load CRL\n");
699 ERR_print_errors(bio_err);
700 goto end;
701 }
702
703 end:
704 BIO_free(in);
705 return x;
706 }
707
708 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
709 const char *pass, ENGINE *e, const char *key_descrip)
710 {
711 BIO *key = NULL;
712 EVP_PKEY *pkey = NULL;
713 PW_CB_DATA cb_data;
714
715 cb_data.password = pass;
716 cb_data.prompt_info = file;
717
718 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
719 BIO_printf(bio_err, "no keyfile specified\n");
720 goto end;
721 }
722 if (format == FORMAT_ENGINE) {
723 if (e == NULL) {
724 BIO_printf(bio_err, "no engine specified\n");
725 } else {
726 #ifndef OPENSSL_NO_ENGINE
727 if (ENGINE_init(e)) {
728 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
729 ENGINE_finish(e);
730 }
731 if (pkey == NULL) {
732 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
733 ERR_print_errors(bio_err);
734 }
735 #else
736 BIO_printf(bio_err, "engines not supported\n");
737 #endif
738 }
739 goto end;
740 }
741 if (file == NULL && maybe_stdin) {
742 unbuffer(stdin);
743 key = dup_bio_in(format);
744 } else {
745 key = bio_open_default(file, 'r', format);
746 }
747 if (key == NULL)
748 goto end;
749 if (format == FORMAT_ASN1) {
750 pkey = d2i_PrivateKey_bio(key, NULL);
751 } else if (format == FORMAT_PEM) {
752 pkey = PEM_read_bio_PrivateKey(key, NULL,
753 (pem_password_cb *)password_callback,
754 &cb_data);
755 } else if (format == FORMAT_PKCS12) {
756 if (!load_pkcs12(key, key_descrip,
757 (pem_password_cb *)password_callback, &cb_data,
758 &pkey, NULL, NULL))
759 goto end;
760 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
761 } else if (format == FORMAT_MSBLOB) {
762 pkey = b2i_PrivateKey_bio(key);
763 } else if (format == FORMAT_PVK) {
764 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
765 &cb_data);
766 #endif
767 } else {
768 BIO_printf(bio_err, "bad input format specified for key file\n");
769 goto end;
770 }
771 end:
772 BIO_free(key);
773 if (pkey == NULL) {
774 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
775 ERR_print_errors(bio_err);
776 }
777 return pkey;
778 }
779
780 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
781 const char *pass, ENGINE *e, const char *key_descrip)
782 {
783 BIO *key = NULL;
784 EVP_PKEY *pkey = NULL;
785 PW_CB_DATA cb_data;
786
787 cb_data.password = pass;
788 cb_data.prompt_info = file;
789
790 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
791 BIO_printf(bio_err, "no keyfile specified\n");
792 goto end;
793 }
794 if (format == FORMAT_ENGINE) {
795 if (e == NULL) {
796 BIO_printf(bio_err, "no engine specified\n");
797 } else {
798 #ifndef OPENSSL_NO_ENGINE
799 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
800 if (pkey == NULL) {
801 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
802 ERR_print_errors(bio_err);
803 }
804 #else
805 BIO_printf(bio_err, "engines not supported\n");
806 #endif
807 }
808 goto end;
809 }
810 if (file == NULL && maybe_stdin) {
811 unbuffer(stdin);
812 key = dup_bio_in(format);
813 } else {
814 key = bio_open_default(file, 'r', format);
815 }
816 if (key == NULL)
817 goto end;
818 if (format == FORMAT_ASN1) {
819 pkey = d2i_PUBKEY_bio(key, NULL);
820 } else if (format == FORMAT_ASN1RSA) {
821 #ifndef OPENSSL_NO_RSA
822 RSA *rsa;
823 rsa = d2i_RSAPublicKey_bio(key, NULL);
824 if (rsa) {
825 pkey = EVP_PKEY_new();
826 if (pkey != NULL)
827 EVP_PKEY_set1_RSA(pkey, rsa);
828 RSA_free(rsa);
829 } else
830 #else
831 BIO_printf(bio_err, "RSA keys not supported\n");
832 #endif
833 pkey = NULL;
834 } else if (format == FORMAT_PEMRSA) {
835 #ifndef OPENSSL_NO_RSA
836 RSA *rsa;
837 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
838 (pem_password_cb *)password_callback,
839 &cb_data);
840 if (rsa != NULL) {
841 pkey = EVP_PKEY_new();
842 if (pkey != NULL)
843 EVP_PKEY_set1_RSA(pkey, rsa);
844 RSA_free(rsa);
845 } else
846 #else
847 BIO_printf(bio_err, "RSA keys not supported\n");
848 #endif
849 pkey = NULL;
850 } else if (format == FORMAT_PEM) {
851 pkey = PEM_read_bio_PUBKEY(key, NULL,
852 (pem_password_cb *)password_callback,
853 &cb_data);
854 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
855 } else if (format == FORMAT_MSBLOB) {
856 pkey = b2i_PublicKey_bio(key);
857 #endif
858 }
859 end:
860 BIO_free(key);
861 if (pkey == NULL)
862 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
863 return pkey;
864 }
865
866 static int load_certs_crls(const char *file, int format,
867 const char *pass, const char *desc,
868 STACK_OF(X509) **pcerts,
869 STACK_OF(X509_CRL) **pcrls)
870 {
871 int i;
872 BIO *bio;
873 STACK_OF(X509_INFO) *xis = NULL;
874 X509_INFO *xi;
875 PW_CB_DATA cb_data;
876 int rv = 0;
877
878 cb_data.password = pass;
879 cb_data.prompt_info = file;
880
881 if (format != FORMAT_PEM) {
882 BIO_printf(bio_err, "bad input format specified for %s\n", desc);
883 return 0;
884 }
885
886 bio = bio_open_default(file, 'r', FORMAT_PEM);
887 if (bio == NULL)
888 return 0;
889
890 xis = PEM_X509_INFO_read_bio(bio, NULL,
891 (pem_password_cb *)password_callback,
892 &cb_data);
893
894 BIO_free(bio);
895
896 if (pcerts != NULL && *pcerts == NULL) {
897 *pcerts = sk_X509_new_null();
898 if (*pcerts == NULL)
899 goto end;
900 }
901
902 if (pcrls != NULL && *pcrls == NULL) {
903 *pcrls = sk_X509_CRL_new_null();
904 if (*pcrls == NULL)
905 goto end;
906 }
907
908 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
909 xi = sk_X509_INFO_value(xis, i);
910 if (xi->x509 != NULL && pcerts != NULL) {
911 if (!sk_X509_push(*pcerts, xi->x509))
912 goto end;
913 xi->x509 = NULL;
914 }
915 if (xi->crl != NULL && pcrls != NULL) {
916 if (!sk_X509_CRL_push(*pcrls, xi->crl))
917 goto end;
918 xi->crl = NULL;
919 }
920 }
921
922 if (pcerts != NULL && sk_X509_num(*pcerts) > 0)
923 rv = 1;
924
925 if (pcrls != NULL && sk_X509_CRL_num(*pcrls) > 0)
926 rv = 1;
927
928 end:
929
930 sk_X509_INFO_pop_free(xis, X509_INFO_free);
931
932 if (rv == 0) {
933 if (pcerts != NULL) {
934 sk_X509_pop_free(*pcerts, X509_free);
935 *pcerts = NULL;
936 }
937 if (pcrls != NULL) {
938 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
939 *pcrls = NULL;
940 }
941 BIO_printf(bio_err, "unable to load %s\n",
942 pcerts ? "certificates" : "CRLs");
943 ERR_print_errors(bio_err);
944 }
945 return rv;
946 }
947
948 void* app_malloc(int sz, const char *what)
949 {
950 void *vp = OPENSSL_malloc(sz);
951
952 if (vp == NULL) {
953 BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
954 opt_getprog(), sz, what);
955 ERR_print_errors(bio_err);
956 exit(1);
957 }
958 return vp;
959 }
960
961 /*
962 * Initialize or extend, if *certs != NULL, a certificate stack.
963 */
964 int load_certs(const char *file, STACK_OF(X509) **certs, int format,
965 const char *pass, const char *desc)
966 {
967 return load_certs_crls(file, format, pass, desc, certs, NULL);
968 }
969
970 /*
971 * Initialize or extend, if *crls != NULL, a certificate stack.
972 */
973 int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
974 const char *pass, const char *desc)
975 {
976 return load_certs_crls(file, format, pass, desc, NULL, crls);
977 }
978
979 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
980 /* Return error for unknown extensions */
981 #define X509V3_EXT_DEFAULT 0
982 /* Print error for unknown extensions */
983 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
984 /* ASN1 parse unknown extensions */
985 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
986 /* BIO_dump unknown extensions */
987 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
988
989 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
990 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
991
992 int set_cert_ex(unsigned long *flags, const char *arg)
993 {
994 static const NAME_EX_TBL cert_tbl[] = {
995 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
996 {"ca_default", X509_FLAG_CA, 0xffffffffl},
997 {"no_header", X509_FLAG_NO_HEADER, 0},
998 {"no_version", X509_FLAG_NO_VERSION, 0},
999 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1000 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1001 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1002 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1003 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1004 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1005 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1006 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1007 {"no_aux", X509_FLAG_NO_AUX, 0},
1008 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1009 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1010 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1011 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1012 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1013 {NULL, 0, 0}
1014 };
1015 return set_multi_opts(flags, arg, cert_tbl);
1016 }
1017
1018 int set_name_ex(unsigned long *flags, const char *arg)
1019 {
1020 static const NAME_EX_TBL ex_tbl[] = {
1021 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1022 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1023 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1024 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1025 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1026 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1027 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1028 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1029 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1030 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1031 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1032 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1033 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1034 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1035 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1036 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1037 {"dn_rev", XN_FLAG_DN_REV, 0},
1038 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1039 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1040 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1041 {"align", XN_FLAG_FN_ALIGN, 0},
1042 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1043 {"space_eq", XN_FLAG_SPC_EQ, 0},
1044 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1045 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1046 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1047 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1048 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1049 {NULL, 0, 0}
1050 };
1051 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1052 return 0;
1053 if ((*flags & XN_FLAG_SEP_MASK) == 0)
1054 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1055 return 1;
1056 }
1057
1058 int set_ext_copy(int *copy_type, const char *arg)
1059 {
1060 if (strcasecmp(arg, "none") == 0)
1061 *copy_type = EXT_COPY_NONE;
1062 else if (strcasecmp(arg, "copy") == 0)
1063 *copy_type = EXT_COPY_ADD;
1064 else if (strcasecmp(arg, "copyall") == 0)
1065 *copy_type = EXT_COPY_ALL;
1066 else
1067 return 0;
1068 return 1;
1069 }
1070
1071 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1072 {
1073 STACK_OF(X509_EXTENSION) *exts = NULL;
1074 X509_EXTENSION *ext, *tmpext;
1075 ASN1_OBJECT *obj;
1076 int i, idx, ret = 0;
1077 if (!x || !req || (copy_type == EXT_COPY_NONE))
1078 return 1;
1079 exts = X509_REQ_get_extensions(req);
1080
1081 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1082 ext = sk_X509_EXTENSION_value(exts, i);
1083 obj = X509_EXTENSION_get_object(ext);
1084 idx = X509_get_ext_by_OBJ(x, obj, -1);
1085 /* Does extension exist? */
1086 if (idx != -1) {
1087 /* If normal copy don't override existing extension */
1088 if (copy_type == EXT_COPY_ADD)
1089 continue;
1090 /* Delete all extensions of same type */
1091 do {
1092 tmpext = X509_get_ext(x, idx);
1093 X509_delete_ext(x, idx);
1094 X509_EXTENSION_free(tmpext);
1095 idx = X509_get_ext_by_OBJ(x, obj, -1);
1096 } while (idx != -1);
1097 }
1098 if (!X509_add_ext(x, ext, -1))
1099 goto end;
1100 }
1101
1102 ret = 1;
1103
1104 end:
1105
1106 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1107
1108 return ret;
1109 }
1110
1111 static int set_multi_opts(unsigned long *flags, const char *arg,
1112 const NAME_EX_TBL * in_tbl)
1113 {
1114 STACK_OF(CONF_VALUE) *vals;
1115 CONF_VALUE *val;
1116 int i, ret = 1;
1117 if (!arg)
1118 return 0;
1119 vals = X509V3_parse_list(arg);
1120 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1121 val = sk_CONF_VALUE_value(vals, i);
1122 if (!set_table_opts(flags, val->name, in_tbl))
1123 ret = 0;
1124 }
1125 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1126 return ret;
1127 }
1128
1129 static int set_table_opts(unsigned long *flags, const char *arg,
1130 const NAME_EX_TBL * in_tbl)
1131 {
1132 char c;
1133 const NAME_EX_TBL *ptbl;
1134 c = arg[0];
1135
1136 if (c == '-') {
1137 c = 0;
1138 arg++;
1139 } else if (c == '+') {
1140 c = 1;
1141 arg++;
1142 } else {
1143 c = 1;
1144 }
1145
1146 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1147 if (strcasecmp(arg, ptbl->name) == 0) {
1148 *flags &= ~ptbl->mask;
1149 if (c)
1150 *flags |= ptbl->flag;
1151 else
1152 *flags &= ~ptbl->flag;
1153 return 1;
1154 }
1155 }
1156 return 0;
1157 }
1158
1159 void print_name(BIO *out, const char *title, X509_NAME *nm,
1160 unsigned long lflags)
1161 {
1162 char *buf;
1163 char mline = 0;
1164 int indent = 0;
1165
1166 if (title)
1167 BIO_puts(out, title);
1168 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1169 mline = 1;
1170 indent = 4;
1171 }
1172 if (lflags == XN_FLAG_COMPAT) {
1173 buf = X509_NAME_oneline(nm, 0, 0);
1174 BIO_puts(out, buf);
1175 BIO_puts(out, "\n");
1176 OPENSSL_free(buf);
1177 } else {
1178 if (mline)
1179 BIO_puts(out, "\n");
1180 X509_NAME_print_ex(out, nm, indent, lflags);
1181 BIO_puts(out, "\n");
1182 }
1183 }
1184
1185 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1186 int len, unsigned char *buffer)
1187 {
1188 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1189 if (BN_is_zero(in)) {
1190 BIO_printf(out, "\n\t0x00");
1191 } else {
1192 int i, l;
1193
1194 l = BN_bn2bin(in, buffer);
1195 for (i = 0; i < l; i++) {
1196 if ((i % 10) == 0)
1197 BIO_printf(out, "\n\t");
1198 if (i < l - 1)
1199 BIO_printf(out, "0x%02X, ", buffer[i]);
1200 else
1201 BIO_printf(out, "0x%02X", buffer[i]);
1202 }
1203 }
1204 BIO_printf(out, "\n };\n");
1205 }
1206
1207 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1208 {
1209 int i;
1210
1211 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1212 for (i = 0; i < len; i++) {
1213 if ((i % 10) == 0)
1214 BIO_printf(out, "\n ");
1215 if (i < len - 1)
1216 BIO_printf(out, "0x%02X, ", d[i]);
1217 else
1218 BIO_printf(out, "0x%02X", d[i]);
1219 }
1220 BIO_printf(out, "\n};\n");
1221 }
1222
1223 X509_STORE *setup_verify(const char *CAfile, const char *CApath, int noCAfile, int noCApath)
1224 {
1225 X509_STORE *store = X509_STORE_new();
1226 X509_LOOKUP *lookup;
1227
1228 if (store == NULL)
1229 goto end;
1230
1231 if (CAfile != NULL || !noCAfile) {
1232 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1233 if (lookup == NULL)
1234 goto end;
1235 if (CAfile) {
1236 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1237 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1238 goto end;
1239 }
1240 } else {
1241 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1242 }
1243 }
1244
1245 if (CApath != NULL || !noCApath) {
1246 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1247 if (lookup == NULL)
1248 goto end;
1249 if (CApath) {
1250 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1251 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1252 goto end;
1253 }
1254 } else {
1255 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1256 }
1257 }
1258
1259 ERR_clear_error();
1260 return store;
1261 end:
1262 X509_STORE_free(store);
1263 return NULL;
1264 }
1265
1266 #ifndef OPENSSL_NO_ENGINE
1267 /* Try to load an engine in a shareable library */
1268 static ENGINE *try_load_engine(const char *engine)
1269 {
1270 ENGINE *e = ENGINE_by_id("dynamic");
1271 if (e) {
1272 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1273 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1274 ENGINE_free(e);
1275 e = NULL;
1276 }
1277 }
1278 return e;
1279 }
1280 #endif
1281
1282 ENGINE *setup_engine(const char *engine, int debug)
1283 {
1284 ENGINE *e = NULL;
1285
1286 #ifndef OPENSSL_NO_ENGINE
1287 if (engine != NULL) {
1288 if (strcmp(engine, "auto") == 0) {
1289 BIO_printf(bio_err, "enabling auto ENGINE support\n");
1290 ENGINE_register_all_complete();
1291 return NULL;
1292 }
1293 if ((e = ENGINE_by_id(engine)) == NULL
1294 && (e = try_load_engine(engine)) == NULL) {
1295 BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
1296 ERR_print_errors(bio_err);
1297 return NULL;
1298 }
1299 if (debug) {
1300 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1301 }
1302 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1303 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1304 BIO_printf(bio_err, "can't use that engine\n");
1305 ERR_print_errors(bio_err);
1306 ENGINE_free(e);
1307 return NULL;
1308 }
1309
1310 BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1311 }
1312 #endif
1313 return e;
1314 }
1315
1316 void release_engine(ENGINE *e)
1317 {
1318 #ifndef OPENSSL_NO_ENGINE
1319 if (e != NULL)
1320 /* Free our "structural" reference. */
1321 ENGINE_free(e);
1322 #endif
1323 }
1324
1325 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1326 {
1327 const char *n;
1328
1329 n = a[DB_serial];
1330 while (*n == '0')
1331 n++;
1332 return OPENSSL_LH_strhash(n);
1333 }
1334
1335 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1336 const OPENSSL_CSTRING *b)
1337 {
1338 const char *aa, *bb;
1339
1340 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1341 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1342 return strcmp(aa, bb);
1343 }
1344
1345 static int index_name_qual(char **a)
1346 {
1347 return (a[0][0] == 'V');
1348 }
1349
1350 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1351 {
1352 return OPENSSL_LH_strhash(a[DB_name]);
1353 }
1354
1355 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1356 {
1357 return strcmp(a[DB_name], b[DB_name]);
1358 }
1359
1360 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1361 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1362 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1363 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1364 #undef BSIZE
1365 #define BSIZE 256
1366 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1367 {
1368 BIO *in = NULL;
1369 BIGNUM *ret = NULL;
1370 char buf[1024];
1371 ASN1_INTEGER *ai = NULL;
1372
1373 ai = ASN1_INTEGER_new();
1374 if (ai == NULL)
1375 goto err;
1376
1377 in = BIO_new_file(serialfile, "r");
1378 if (in == NULL) {
1379 if (!create) {
1380 perror(serialfile);
1381 goto err;
1382 }
1383 ERR_clear_error();
1384 ret = BN_new();
1385 if (ret == NULL || !rand_serial(ret, ai))
1386 BIO_printf(bio_err, "Out of memory\n");
1387 } else {
1388 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1389 BIO_printf(bio_err, "unable to load number from %s\n",
1390 serialfile);
1391 goto err;
1392 }
1393 ret = ASN1_INTEGER_to_BN(ai, NULL);
1394 if (ret == NULL) {
1395 BIO_printf(bio_err,
1396 "error converting number from bin to BIGNUM\n");
1397 goto err;
1398 }
1399 }
1400
1401 if (ret && retai) {
1402 *retai = ai;
1403 ai = NULL;
1404 }
1405 err:
1406 BIO_free(in);
1407 ASN1_INTEGER_free(ai);
1408 return ret;
1409 }
1410
1411 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1412 ASN1_INTEGER **retai)
1413 {
1414 char buf[1][BSIZE];
1415 BIO *out = NULL;
1416 int ret = 0;
1417 ASN1_INTEGER *ai = NULL;
1418 int j;
1419
1420 if (suffix == NULL)
1421 j = strlen(serialfile);
1422 else
1423 j = strlen(serialfile) + strlen(suffix) + 1;
1424 if (j >= BSIZE) {
1425 BIO_printf(bio_err, "file name too long\n");
1426 goto err;
1427 }
1428
1429 if (suffix == NULL)
1430 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1431 else {
1432 #ifndef OPENSSL_SYS_VMS
1433 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1434 #else
1435 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1436 #endif
1437 }
1438 out = BIO_new_file(buf[0], "w");
1439 if (out == NULL) {
1440 ERR_print_errors(bio_err);
1441 goto err;
1442 }
1443
1444 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1445 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1446 goto err;
1447 }
1448 i2a_ASN1_INTEGER(out, ai);
1449 BIO_puts(out, "\n");
1450 ret = 1;
1451 if (retai) {
1452 *retai = ai;
1453 ai = NULL;
1454 }
1455 err:
1456 BIO_free_all(out);
1457 ASN1_INTEGER_free(ai);
1458 return ret;
1459 }
1460
1461 int rotate_serial(const char *serialfile, const char *new_suffix,
1462 const char *old_suffix)
1463 {
1464 char buf[2][BSIZE];
1465 int i, j;
1466
1467 i = strlen(serialfile) + strlen(old_suffix);
1468 j = strlen(serialfile) + strlen(new_suffix);
1469 if (i > j)
1470 j = i;
1471 if (j + 1 >= BSIZE) {
1472 BIO_printf(bio_err, "file name too long\n");
1473 goto err;
1474 }
1475 #ifndef OPENSSL_SYS_VMS
1476 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1477 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1478 #else
1479 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1480 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1481 #endif
1482 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1483 #ifdef ENOTDIR
1484 && errno != ENOTDIR
1485 #endif
1486 ) {
1487 BIO_printf(bio_err,
1488 "unable to rename %s to %s\n", serialfile, buf[1]);
1489 perror("reason");
1490 goto err;
1491 }
1492 if (rename(buf[0], serialfile) < 0) {
1493 BIO_printf(bio_err,
1494 "unable to rename %s to %s\n", buf[0], serialfile);
1495 perror("reason");
1496 rename(buf[1], serialfile);
1497 goto err;
1498 }
1499 return 1;
1500 err:
1501 return 0;
1502 }
1503
1504 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1505 {
1506 BIGNUM *btmp;
1507 int ret = 0;
1508
1509 btmp = b == NULL ? BN_new() : b;
1510 if (btmp == NULL)
1511 return 0;
1512
1513 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1514 goto error;
1515 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1516 goto error;
1517
1518 ret = 1;
1519
1520 error:
1521
1522 if (btmp != b)
1523 BN_free(btmp);
1524
1525 return ret;
1526 }
1527
1528 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1529 {
1530 CA_DB *retdb = NULL;
1531 TXT_DB *tmpdb = NULL;
1532 BIO *in;
1533 CONF *dbattr_conf = NULL;
1534 char buf[BSIZE];
1535 #ifndef OPENSSL_NO_POSIX_IO
1536 FILE *dbfp;
1537 struct stat dbst;
1538 #endif
1539
1540 in = BIO_new_file(dbfile, "r");
1541 if (in == NULL) {
1542 ERR_print_errors(bio_err);
1543 goto err;
1544 }
1545
1546 #ifndef OPENSSL_NO_POSIX_IO
1547 BIO_get_fp(in, &dbfp);
1548 if (fstat(fileno(dbfp), &dbst) == -1) {
1549 SYSerr(SYS_F_FSTAT, errno);
1550 ERR_add_error_data(3, "fstat('", dbfile, "')");
1551 ERR_print_errors(bio_err);
1552 goto err;
1553 }
1554 #endif
1555
1556 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1557 goto err;
1558
1559 #ifndef OPENSSL_SYS_VMS
1560 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1561 #else
1562 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1563 #endif
1564 dbattr_conf = app_load_config(buf);
1565
1566 retdb = app_malloc(sizeof(*retdb), "new DB");
1567 retdb->db = tmpdb;
1568 tmpdb = NULL;
1569 if (db_attr)
1570 retdb->attributes = *db_attr;
1571 else {
1572 retdb->attributes.unique_subject = 1;
1573 }
1574
1575 if (dbattr_conf) {
1576 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1577 if (p) {
1578 retdb->attributes.unique_subject = parse_yesno(p, 1);
1579 }
1580 }
1581
1582 retdb->dbfname = OPENSSL_strdup(dbfile);
1583 #ifndef OPENSSL_NO_POSIX_IO
1584 retdb->dbst = dbst;
1585 #endif
1586
1587 err:
1588 NCONF_free(dbattr_conf);
1589 TXT_DB_free(tmpdb);
1590 BIO_free_all(in);
1591 return retdb;
1592 }
1593
1594 /*
1595 * Returns > 0 on success, <= 0 on error
1596 */
1597 int index_index(CA_DB *db)
1598 {
1599 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1600 LHASH_HASH_FN(index_serial),
1601 LHASH_COMP_FN(index_serial))) {
1602 BIO_printf(bio_err,
1603 "error creating serial number index:(%ld,%ld,%ld)\n",
1604 db->db->error, db->db->arg1, db->db->arg2);
1605 return 0;
1606 }
1607
1608 if (db->attributes.unique_subject
1609 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1610 LHASH_HASH_FN(index_name),
1611 LHASH_COMP_FN(index_name))) {
1612 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1613 db->db->error, db->db->arg1, db->db->arg2);
1614 return 0;
1615 }
1616 return 1;
1617 }
1618
1619 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1620 {
1621 char buf[3][BSIZE];
1622 BIO *out;
1623 int j;
1624
1625 j = strlen(dbfile) + strlen(suffix);
1626 if (j + 6 >= BSIZE) {
1627 BIO_printf(bio_err, "file name too long\n");
1628 goto err;
1629 }
1630 #ifndef OPENSSL_SYS_VMS
1631 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1632 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1633 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1634 #else
1635 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1636 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1637 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1638 #endif
1639 out = BIO_new_file(buf[0], "w");
1640 if (out == NULL) {
1641 perror(dbfile);
1642 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1643 goto err;
1644 }
1645 j = TXT_DB_write(out, db->db);
1646 BIO_free(out);
1647 if (j <= 0)
1648 goto err;
1649
1650 out = BIO_new_file(buf[1], "w");
1651 if (out == NULL) {
1652 perror(buf[2]);
1653 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1654 goto err;
1655 }
1656 BIO_printf(out, "unique_subject = %s\n",
1657 db->attributes.unique_subject ? "yes" : "no");
1658 BIO_free(out);
1659
1660 return 1;
1661 err:
1662 return 0;
1663 }
1664
1665 int rotate_index(const char *dbfile, const char *new_suffix,
1666 const char *old_suffix)
1667 {
1668 char buf[5][BSIZE];
1669 int i, j;
1670
1671 i = strlen(dbfile) + strlen(old_suffix);
1672 j = strlen(dbfile) + strlen(new_suffix);
1673 if (i > j)
1674 j = i;
1675 if (j + 6 >= BSIZE) {
1676 BIO_printf(bio_err, "file name too long\n");
1677 goto err;
1678 }
1679 #ifndef OPENSSL_SYS_VMS
1680 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1681 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1682 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1683 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1684 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1685 #else
1686 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1687 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1688 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1689 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1690 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1691 #endif
1692 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1693 #ifdef ENOTDIR
1694 && errno != ENOTDIR
1695 #endif
1696 ) {
1697 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1698 perror("reason");
1699 goto err;
1700 }
1701 if (rename(buf[0], dbfile) < 0) {
1702 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1703 perror("reason");
1704 rename(buf[1], dbfile);
1705 goto err;
1706 }
1707 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1708 #ifdef ENOTDIR
1709 && errno != ENOTDIR
1710 #endif
1711 ) {
1712 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1713 perror("reason");
1714 rename(dbfile, buf[0]);
1715 rename(buf[1], dbfile);
1716 goto err;
1717 }
1718 if (rename(buf[2], buf[4]) < 0) {
1719 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1720 perror("reason");
1721 rename(buf[3], buf[4]);
1722 rename(dbfile, buf[0]);
1723 rename(buf[1], dbfile);
1724 goto err;
1725 }
1726 return 1;
1727 err:
1728 return 0;
1729 }
1730
1731 void free_index(CA_DB *db)
1732 {
1733 if (db) {
1734 TXT_DB_free(db->db);
1735 OPENSSL_free(db->dbfname);
1736 OPENSSL_free(db);
1737 }
1738 }
1739
1740 int parse_yesno(const char *str, int def)
1741 {
1742 if (str) {
1743 switch (*str) {
1744 case 'f': /* false */
1745 case 'F': /* FALSE */
1746 case 'n': /* no */
1747 case 'N': /* NO */
1748 case '0': /* 0 */
1749 return 0;
1750 case 't': /* true */
1751 case 'T': /* TRUE */
1752 case 'y': /* yes */
1753 case 'Y': /* YES */
1754 case '1': /* 1 */
1755 return 1;
1756 }
1757 }
1758 return def;
1759 }
1760
1761 /*
1762 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1763 * where characters may be escaped by \
1764 */
1765 X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
1766 {
1767 int nextismulti = 0;
1768 char *work;
1769 X509_NAME *n;
1770
1771 if (*cp++ != '/')
1772 return NULL;
1773
1774 n = X509_NAME_new();
1775 if (n == NULL)
1776 return NULL;
1777 work = OPENSSL_strdup(cp);
1778 if (work == NULL)
1779 goto err;
1780
1781 while (*cp) {
1782 char *bp = work;
1783 char *typestr = bp;
1784 unsigned char *valstr;
1785 int nid;
1786 int ismulti = nextismulti;
1787 nextismulti = 0;
1788
1789 /* Collect the type */
1790 while (*cp && *cp != '=')
1791 *bp++ = *cp++;
1792 if (*cp == '\0') {
1793 BIO_printf(bio_err,
1794 "%s: Hit end of string before finding the equals.\n",
1795 opt_getprog());
1796 goto err;
1797 }
1798 *bp++ = '\0';
1799 ++cp;
1800
1801 /* Collect the value. */
1802 valstr = (unsigned char *)bp;
1803 for (; *cp && *cp != '/'; *bp++ = *cp++) {
1804 if (canmulti && *cp == '+') {
1805 nextismulti = 1;
1806 break;
1807 }
1808 if (*cp == '\\' && *++cp == '\0') {
1809 BIO_printf(bio_err,
1810 "%s: escape character at end of string\n",
1811 opt_getprog());
1812 goto err;
1813 }
1814 }
1815 *bp++ = '\0';
1816
1817 /* If not at EOS (must be + or /), move forward. */
1818 if (*cp)
1819 ++cp;
1820
1821 /* Parse */
1822 nid = OBJ_txt2nid(typestr);
1823 if (nid == NID_undef) {
1824 BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n",
1825 opt_getprog(), typestr);
1826 continue;
1827 }
1828 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1829 valstr, strlen((char *)valstr),
1830 -1, ismulti ? -1 : 0))
1831 goto err;
1832 }
1833
1834 OPENSSL_free(work);
1835 return n;
1836
1837 err:
1838 X509_NAME_free(n);
1839 OPENSSL_free(work);
1840 return NULL;
1841 }
1842
1843 /*
1844 * Read whole contents of a BIO into an allocated memory buffer and return
1845 * it.
1846 */
1847
1848 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1849 {
1850 BIO *mem;
1851 int len, ret;
1852 unsigned char tbuf[1024];
1853
1854 mem = BIO_new(BIO_s_mem());
1855 if (mem == NULL)
1856 return -1;
1857 for (;;) {
1858 if ((maxlen != -1) && maxlen < 1024)
1859 len = maxlen;
1860 else
1861 len = 1024;
1862 len = BIO_read(in, tbuf, len);
1863 if (len < 0) {
1864 BIO_free(mem);
1865 return -1;
1866 }
1867 if (len == 0)
1868 break;
1869 if (BIO_write(mem, tbuf, len) != len) {
1870 BIO_free(mem);
1871 return -1;
1872 }
1873 maxlen -= len;
1874
1875 if (maxlen == 0)
1876 break;
1877 }
1878 ret = BIO_get_mem_data(mem, (char **)out);
1879 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1880 BIO_free(mem);
1881 return ret;
1882 }
1883
1884 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1885 {
1886 int rv;
1887 char *stmp, *vtmp = NULL;
1888 stmp = OPENSSL_strdup(value);
1889 if (!stmp)
1890 return -1;
1891 vtmp = strchr(stmp, ':');
1892 if (vtmp) {
1893 *vtmp = 0;
1894 vtmp++;
1895 }
1896 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1897 OPENSSL_free(stmp);
1898 return rv;
1899 }
1900
1901 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1902 {
1903 X509_POLICY_NODE *node;
1904 int i;
1905
1906 BIO_printf(bio_err, "%s Policies:", name);
1907 if (nodes) {
1908 BIO_puts(bio_err, "\n");
1909 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1910 node = sk_X509_POLICY_NODE_value(nodes, i);
1911 X509_POLICY_NODE_print(bio_err, node, 2);
1912 }
1913 } else {
1914 BIO_puts(bio_err, " <empty>\n");
1915 }
1916 }
1917
1918 void policies_print(X509_STORE_CTX *ctx)
1919 {
1920 X509_POLICY_TREE *tree;
1921 int explicit_policy;
1922 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1923 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1924
1925 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1926 explicit_policy ? "True" : "False");
1927
1928 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1929 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1930 }
1931
1932 /*-
1933 * next_protos_parse parses a comma separated list of strings into a string
1934 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1935 * outlen: (output) set to the length of the resulting buffer on success.
1936 * err: (maybe NULL) on failure, an error message line is written to this BIO.
1937 * in: a NUL terminated string like "abc,def,ghi"
1938 *
1939 * returns: a malloc'd buffer or NULL on failure.
1940 */
1941 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1942 {
1943 size_t len;
1944 unsigned char *out;
1945 size_t i, start = 0;
1946
1947 len = strlen(in);
1948 if (len >= 65535)
1949 return NULL;
1950
1951 out = app_malloc(strlen(in) + 1, "NPN buffer");
1952 for (i = 0; i <= len; ++i) {
1953 if (i == len || in[i] == ',') {
1954 if (i - start > 255) {
1955 OPENSSL_free(out);
1956 return NULL;
1957 }
1958 out[start] = (unsigned char)(i - start);
1959 start = i + 1;
1960 } else {
1961 out[i + 1] = in[i];
1962 }
1963 }
1964
1965 *outlen = len + 1;
1966 return out;
1967 }
1968
1969 void print_cert_checks(BIO *bio, X509 *x,
1970 const char *checkhost,
1971 const char *checkemail, const char *checkip)
1972 {
1973 if (x == NULL)
1974 return;
1975 if (checkhost) {
1976 BIO_printf(bio, "Hostname %s does%s match certificate\n",
1977 checkhost,
1978 X509_check_host(x, checkhost, 0, 0, NULL) == 1
1979 ? "" : " NOT");
1980 }
1981
1982 if (checkemail) {
1983 BIO_printf(bio, "Email %s does%s match certificate\n",
1984 checkemail, X509_check_email(x, checkemail, 0, 0)
1985 ? "" : " NOT");
1986 }
1987
1988 if (checkip) {
1989 BIO_printf(bio, "IP %s does%s match certificate\n",
1990 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
1991 }
1992 }
1993
1994 /* Get first http URL from a DIST_POINT structure */
1995
1996 static const char *get_dp_url(DIST_POINT *dp)
1997 {
1998 GENERAL_NAMES *gens;
1999 GENERAL_NAME *gen;
2000 int i, gtype;
2001 ASN1_STRING *uri;
2002 if (!dp->distpoint || dp->distpoint->type != 0)
2003 return NULL;
2004 gens = dp->distpoint->name.fullname;
2005 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2006 gen = sk_GENERAL_NAME_value(gens, i);
2007 uri = GENERAL_NAME_get0_value(gen, &gtype);
2008 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2009 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2010 if (strncmp(uptr, "http://", 7) == 0)
2011 return uptr;
2012 }
2013 }
2014 return NULL;
2015 }
2016
2017 /*
2018 * Look through a CRLDP structure and attempt to find an http URL to
2019 * downloads a CRL from.
2020 */
2021
2022 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2023 {
2024 int i;
2025 const char *urlptr = NULL;
2026 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2027 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2028 urlptr = get_dp_url(dp);
2029 if (urlptr)
2030 return load_crl(urlptr, FORMAT_HTTP);
2031 }
2032 return NULL;
2033 }
2034
2035 /*
2036 * Example of downloading CRLs from CRLDP: not usable for real world as it
2037 * always downloads, doesn't support non-blocking I/O and doesn't cache
2038 * anything.
2039 */
2040
2041 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2042 {
2043 X509 *x;
2044 STACK_OF(X509_CRL) *crls = NULL;
2045 X509_CRL *crl;
2046 STACK_OF(DIST_POINT) *crldp;
2047
2048 crls = sk_X509_CRL_new_null();
2049 if (!crls)
2050 return NULL;
2051 x = X509_STORE_CTX_get_current_cert(ctx);
2052 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2053 crl = load_crl_crldp(crldp);
2054 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2055 if (!crl) {
2056 sk_X509_CRL_free(crls);
2057 return NULL;
2058 }
2059 sk_X509_CRL_push(crls, crl);
2060 /* Try to download delta CRL */
2061 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2062 crl = load_crl_crldp(crldp);
2063 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2064 if (crl)
2065 sk_X509_CRL_push(crls, crl);
2066 return crls;
2067 }
2068
2069 void store_setup_crl_download(X509_STORE *st)
2070 {
2071 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2072 }
2073
2074 /*
2075 * Platform-specific sections
2076 */
2077 #if defined(_WIN32)
2078 # ifdef fileno
2079 # undef fileno
2080 # define fileno(a) (int)_fileno(a)
2081 # endif
2082
2083 # include <windows.h>
2084 # include <tchar.h>
2085
2086 static int WIN32_rename(const char *from, const char *to)
2087 {
2088 TCHAR *tfrom = NULL, *tto;
2089 DWORD err;
2090 int ret = 0;
2091
2092 if (sizeof(TCHAR) == 1) {
2093 tfrom = (TCHAR *)from;
2094 tto = (TCHAR *)to;
2095 } else { /* UNICODE path */
2096
2097 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2098 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2099 if (tfrom == NULL)
2100 goto err;
2101 tto = tfrom + flen;
2102 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2103 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2104 # endif
2105 for (i = 0; i < flen; i++)
2106 tfrom[i] = (TCHAR)from[i];
2107 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2108 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2109 # endif
2110 for (i = 0; i < tlen; i++)
2111 tto[i] = (TCHAR)to[i];
2112 }
2113
2114 if (MoveFile(tfrom, tto))
2115 goto ok;
2116 err = GetLastError();
2117 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2118 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2119 goto ok;
2120 err = GetLastError();
2121 }
2122 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2123 errno = ENOENT;
2124 else if (err == ERROR_ACCESS_DENIED)
2125 errno = EACCES;
2126 else
2127 errno = EINVAL; /* we could map more codes... */
2128 err:
2129 ret = -1;
2130 ok:
2131 if (tfrom != NULL && tfrom != (TCHAR *)from)
2132 free(tfrom);
2133 return ret;
2134 }
2135 #endif
2136
2137 /* app_tminterval section */
2138 #if defined(_WIN32)
2139 double app_tminterval(int stop, int usertime)
2140 {
2141 FILETIME now;
2142 double ret = 0;
2143 static ULARGE_INTEGER tmstart;
2144 static int warning = 1;
2145 # ifdef _WIN32_WINNT
2146 static HANDLE proc = NULL;
2147
2148 if (proc == NULL) {
2149 if (check_winnt())
2150 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2151 GetCurrentProcessId());
2152 if (proc == NULL)
2153 proc = (HANDLE) - 1;
2154 }
2155
2156 if (usertime && proc != (HANDLE) - 1) {
2157 FILETIME junk;
2158 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2159 } else
2160 # endif
2161 {
2162 SYSTEMTIME systime;
2163
2164 if (usertime && warning) {
2165 BIO_printf(bio_err, "To get meaningful results, run "
2166 "this program on idle system.\n");
2167 warning = 0;
2168 }
2169 GetSystemTime(&systime);
2170 SystemTimeToFileTime(&systime, &now);
2171 }
2172
2173 if (stop == TM_START) {
2174 tmstart.u.LowPart = now.dwLowDateTime;
2175 tmstart.u.HighPart = now.dwHighDateTime;
2176 } else {
2177 ULARGE_INTEGER tmstop;
2178
2179 tmstop.u.LowPart = now.dwLowDateTime;
2180 tmstop.u.HighPart = now.dwHighDateTime;
2181
2182 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2183 }
2184
2185 return ret;
2186 }
2187 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2188 # include <time.h>
2189
2190 double app_tminterval(int stop, int usertime)
2191 {
2192 double ret = 0;
2193 # ifdef CLOCK_REALTIME
2194 static struct timespec tmstart;
2195 struct timespec now;
2196 # else
2197 static unsigned long tmstart;
2198 unsigned long now;
2199 # endif
2200 static int warning = 1;
2201
2202 if (usertime && warning) {
2203 BIO_printf(bio_err, "To get meaningful results, run "
2204 "this program on idle system.\n");
2205 warning = 0;
2206 }
2207 # ifdef CLOCK_REALTIME
2208 clock_gettime(CLOCK_REALTIME, &now);
2209 if (stop == TM_START)
2210 tmstart = now;
2211 else
2212 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2213 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2214 # else
2215 now = tickGet();
2216 if (stop == TM_START)
2217 tmstart = now;
2218 else
2219 ret = (now - tmstart) / (double)sysClkRateGet();
2220 # endif
2221 return ret;
2222 }
2223
2224 #elif defined(OPENSSL_SYSTEM_VMS)
2225 # include <time.h>
2226 # include <times.h>
2227
2228 double app_tminterval(int stop, int usertime)
2229 {
2230 static clock_t tmstart;
2231 double ret = 0;
2232 clock_t now;
2233 # ifdef __TMS
2234 struct tms rus;
2235
2236 now = times(&rus);
2237 if (usertime)
2238 now = rus.tms_utime;
2239 # else
2240 if (usertime)
2241 now = clock(); /* sum of user and kernel times */
2242 else {
2243 struct timeval tv;
2244 gettimeofday(&tv, NULL);
2245 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2246 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2247 );
2248 }
2249 # endif
2250 if (stop == TM_START)
2251 tmstart = now;
2252 else
2253 ret = (now - tmstart) / (double)(CLK_TCK);
2254
2255 return ret;
2256 }
2257
2258 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2259 # include <sys/times.h>
2260
2261 double app_tminterval(int stop, int usertime)
2262 {
2263 double ret = 0;
2264 struct tms rus;
2265 clock_t now = times(&rus);
2266 static clock_t tmstart;
2267
2268 if (usertime)
2269 now = rus.tms_utime;
2270
2271 if (stop == TM_START) {
2272 tmstart = now;
2273 } else {
2274 long int tck = sysconf(_SC_CLK_TCK);
2275 ret = (now - tmstart) / (double)tck;
2276 }
2277
2278 return ret;
2279 }
2280
2281 #else
2282 # include <sys/time.h>
2283 # include <sys/resource.h>
2284
2285 double app_tminterval(int stop, int usertime)
2286 {
2287 double ret = 0;
2288 struct rusage rus;
2289 struct timeval now;
2290 static struct timeval tmstart;
2291
2292 if (usertime)
2293 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2294 else
2295 gettimeofday(&now, NULL);
2296
2297 if (stop == TM_START)
2298 tmstart = now;
2299 else
2300 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2301 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2302
2303 return ret;
2304 }
2305 #endif
2306
2307 int app_access(const char* name, int flag)
2308 {
2309 #ifdef _WIN32
2310 return _access(name, flag);
2311 #else
2312 return access(name, flag);
2313 #endif
2314 }
2315
2316 /* app_isdir section */
2317 #ifdef _WIN32
2318 int app_isdir(const char *name)
2319 {
2320 DWORD attr;
2321 # if defined(UNICODE) || defined(_UNICODE)
2322 size_t i, len_0 = strlen(name) + 1;
2323 WCHAR tempname[MAX_PATH];
2324
2325 if (len_0 > MAX_PATH)
2326 return -1;
2327
2328 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2329 if (!MultiByteToWideChar(CP_ACP, 0, name, len_0, tempname, MAX_PATH))
2330 # endif
2331 for (i = 0; i < len_0; i++)
2332 tempname[i] = (WCHAR)name[i];
2333
2334 attr = GetFileAttributes(tempname);
2335 # else
2336 attr = GetFileAttributes(name);
2337 # endif
2338 if (attr == INVALID_FILE_ATTRIBUTES)
2339 return -1;
2340 return ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0);
2341 }
2342 #else
2343 # include <sys/stat.h>
2344 # ifndef S_ISDIR
2345 # if defined(_S_IFMT) && defined(_S_IFDIR)
2346 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
2347 # else
2348 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
2349 # endif
2350 # endif
2351
2352 int app_isdir(const char *name)
2353 {
2354 # if defined(S_ISDIR)
2355 struct stat st;
2356
2357 if (stat(name, &st) == 0)
2358 return S_ISDIR(st.st_mode);
2359 else
2360 return -1;
2361 # else
2362 return -1;
2363 # endif
2364 }
2365 #endif
2366
2367 /* raw_read|write section */
2368 #if defined(__VMS)
2369 # include "vms_term_sock.h"
2370 static int stdin_sock = -1;
2371
2372 static void close_stdin_sock(void)
2373 {
2374 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2375 }
2376
2377 int fileno_stdin(void)
2378 {
2379 if (stdin_sock == -1) {
2380 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2381 atexit(close_stdin_sock);
2382 }
2383
2384 return stdin_sock;
2385 }
2386 #else
2387 int fileno_stdin(void)
2388 {
2389 return fileno(stdin);
2390 }
2391 #endif
2392
2393 int fileno_stdout(void)
2394 {
2395 return fileno(stdout);
2396 }
2397
2398 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2399 int raw_read_stdin(void *buf, int siz)
2400 {
2401 DWORD n;
2402 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2403 return n;
2404 else
2405 return -1;
2406 }
2407 #elif defined(__VMS)
2408 # include <sys/socket.h>
2409
2410 int raw_read_stdin(void *buf, int siz)
2411 {
2412 return recv(fileno_stdin(), buf, siz, 0);
2413 }
2414 #else
2415 int raw_read_stdin(void *buf, int siz)
2416 {
2417 return read(fileno_stdin(), buf, siz);
2418 }
2419 #endif
2420
2421 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2422 int raw_write_stdout(const void *buf, int siz)
2423 {
2424 DWORD n;
2425 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2426 return n;
2427 else
2428 return -1;
2429 }
2430 #else
2431 int raw_write_stdout(const void *buf, int siz)
2432 {
2433 return write(fileno_stdout(), buf, siz);
2434 }
2435 #endif
2436
2437 /*
2438 * Centralized handling if input and output files with format specification
2439 * The format is meant to show what the input and output is supposed to be,
2440 * and is therefore a show of intent more than anything else. However, it
2441 * does impact behavior on some platform, such as differentiating between
2442 * text and binary input/output on non-Unix platforms
2443 */
2444 static int istext(int format)
2445 {
2446 return (format & B_FORMAT_TEXT) == B_FORMAT_TEXT;
2447 }
2448
2449 BIO *dup_bio_in(int format)
2450 {
2451 return BIO_new_fp(stdin,
2452 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2453 }
2454
2455 static BIO_METHOD *prefix_method = NULL;
2456
2457 BIO *dup_bio_out(int format)
2458 {
2459 BIO *b = BIO_new_fp(stdout,
2460 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2461 void *prefix = NULL;
2462
2463 #ifdef OPENSSL_SYS_VMS
2464 if (istext(format))
2465 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2466 #endif
2467
2468 if (istext(format) && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2469 if (prefix_method == NULL)
2470 prefix_method = apps_bf_prefix();
2471 b = BIO_push(BIO_new(prefix_method), b);
2472 BIO_ctrl(b, PREFIX_CTRL_SET_PREFIX, 0, prefix);
2473 }
2474
2475 return b;
2476 }
2477
2478 BIO *dup_bio_err(int format)
2479 {
2480 BIO *b = BIO_new_fp(stderr,
2481 BIO_NOCLOSE | (istext(format) ? BIO_FP_TEXT : 0));
2482 #ifdef OPENSSL_SYS_VMS
2483 if (istext(format))
2484 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2485 #endif
2486 return b;
2487 }
2488
2489 void destroy_prefix_method()
2490 {
2491 BIO_meth_free(prefix_method);
2492 prefix_method = NULL;
2493 }
2494
2495 void unbuffer(FILE *fp)
2496 {
2497 /*
2498 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2499 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2500 * However, we trust that the C RTL will never give us a FILE pointer
2501 * above the first 4 GB of memory, so we simply turn off the warning
2502 * temporarily.
2503 */
2504 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2505 # pragma environment save
2506 # pragma message disable maylosedata2
2507 #endif
2508 setbuf(fp, NULL);
2509 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2510 # pragma environment restore
2511 #endif
2512 }
2513
2514 static const char *modestr(char mode, int format)
2515 {
2516 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2517
2518 switch (mode) {
2519 case 'a':
2520 return istext(format) ? "a" : "ab";
2521 case 'r':
2522 return istext(format) ? "r" : "rb";
2523 case 'w':
2524 return istext(format) ? "w" : "wb";
2525 }
2526 /* The assert above should make sure we never reach this point */
2527 return NULL;
2528 }
2529
2530 static const char *modeverb(char mode)
2531 {
2532 switch (mode) {
2533 case 'a':
2534 return "appending";
2535 case 'r':
2536 return "reading";
2537 case 'w':
2538 return "writing";
2539 }
2540 return "(doing something)";
2541 }
2542
2543 /*
2544 * Open a file for writing, owner-read-only.
2545 */
2546 BIO *bio_open_owner(const char *filename, int format, int private)
2547 {
2548 FILE *fp = NULL;
2549 BIO *b = NULL;
2550 int fd = -1, bflags, mode, textmode;
2551
2552 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2553 return bio_open_default(filename, 'w', format);
2554
2555 mode = O_WRONLY;
2556 #ifdef O_CREAT
2557 mode |= O_CREAT;
2558 #endif
2559 #ifdef O_TRUNC
2560 mode |= O_TRUNC;
2561 #endif
2562 textmode = istext(format);
2563 if (!textmode) {
2564 #ifdef O_BINARY
2565 mode |= O_BINARY;
2566 #elif defined(_O_BINARY)
2567 mode |= _O_BINARY;
2568 #endif
2569 }
2570
2571 #ifdef OPENSSL_SYS_VMS
2572 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2573 * it still needs to know that we're going binary, or fdopen()
2574 * will fail with "invalid argument"... so we tell VMS what the
2575 * context is.
2576 */
2577 if (!textmode)
2578 fd = open(filename, mode, 0600, "ctx=bin");
2579 else
2580 #endif
2581 fd = open(filename, mode, 0600);
2582 if (fd < 0)
2583 goto err;
2584 fp = fdopen(fd, modestr('w', format));
2585 if (fp == NULL)
2586 goto err;
2587 bflags = BIO_CLOSE;
2588 if (textmode)
2589 bflags |= BIO_FP_TEXT;
2590 b = BIO_new_fp(fp, bflags);
2591 if (b)
2592 return b;
2593
2594 err:
2595 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2596 opt_getprog(), filename, strerror(errno));
2597 ERR_print_errors(bio_err);
2598 /* If we have fp, then fdopen took over fd, so don't close both. */
2599 if (fp)
2600 fclose(fp);
2601 else if (fd >= 0)
2602 close(fd);
2603 return NULL;
2604 }
2605
2606 static BIO *bio_open_default_(const char *filename, char mode, int format,
2607 int quiet)
2608 {
2609 BIO *ret;
2610
2611 if (filename == NULL || strcmp(filename, "-") == 0) {
2612 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2613 if (quiet) {
2614 ERR_clear_error();
2615 return ret;
2616 }
2617 if (ret != NULL)
2618 return ret;
2619 BIO_printf(bio_err,
2620 "Can't open %s, %s\n",
2621 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2622 } else {
2623 ret = BIO_new_file(filename, modestr(mode, format));
2624 if (quiet) {
2625 ERR_clear_error();
2626 return ret;
2627 }
2628 if (ret != NULL)
2629 return ret;
2630 BIO_printf(bio_err,
2631 "Can't open %s for %s, %s\n",
2632 filename, modeverb(mode), strerror(errno));
2633 }
2634 ERR_print_errors(bio_err);
2635 return NULL;
2636 }
2637
2638 BIO *bio_open_default(const char *filename, char mode, int format)
2639 {
2640 return bio_open_default_(filename, mode, format, 0);
2641 }
2642
2643 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2644 {
2645 return bio_open_default_(filename, mode, format, 1);
2646 }
2647
2648 void wait_for_async(SSL *s)
2649 {
2650 /* On Windows select only works for sockets, so we simply don't wait */
2651 #ifndef OPENSSL_SYS_WINDOWS
2652 int width = 0;
2653 fd_set asyncfds;
2654 OSSL_ASYNC_FD *fds;
2655 size_t numfds;
2656 size_t i;
2657
2658 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2659 return;
2660 if (numfds == 0)
2661 return;
2662 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2663 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2664 OPENSSL_free(fds);
2665 return;
2666 }
2667
2668 FD_ZERO(&asyncfds);
2669 for (i = 0; i < numfds; i++) {
2670 if (width <= (int)fds[i])
2671 width = (int)fds[i] + 1;
2672 openssl_fdset((int)fds[i], &asyncfds);
2673 }
2674 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2675 OPENSSL_free(fds);
2676 #endif
2677 }
2678
2679 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2680 #if defined(OPENSSL_SYS_MSDOS)
2681 int has_stdin_waiting(void)
2682 {
2683 # if defined(OPENSSL_SYS_WINDOWS)
2684 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2685 DWORD events = 0;
2686 INPUT_RECORD inputrec;
2687 DWORD insize = 1;
2688 BOOL peeked;
2689
2690 if (inhand == INVALID_HANDLE_VALUE) {
2691 return 0;
2692 }
2693
2694 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2695 if (!peeked) {
2696 /* Probably redirected input? _kbhit() does not work in this case */
2697 if (!feof(stdin)) {
2698 return 1;
2699 }
2700 return 0;
2701 }
2702 # endif
2703 return _kbhit();
2704 }
2705 #endif
2706
2707 /* Corrupt a signature by modifying final byte */
2708 void corrupt_signature(const ASN1_STRING *signature)
2709 {
2710 unsigned char *s = signature->data;
2711 s[signature->length - 1] ^= 0x1;
2712 }
2713
2714 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2715 int days)
2716 {
2717 if (startdate == NULL || strcmp(startdate, "today") == 0) {
2718 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2719 return 0;
2720 } else {
2721 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
2722 return 0;
2723 }
2724 if (enddate == NULL) {
2725 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2726 == NULL)
2727 return 0;
2728 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
2729 return 0;
2730 }
2731 return 1;
2732 }
2733
2734 void make_uppercase(char *string)
2735 {
2736 int i;
2737
2738 for (i = 0; string[i] != '\0'; i++)
2739 string[i] = toupper((unsigned char)string[i]);
2740 }
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