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Big apps cleanup (option-parsing, etc)
[thirdparty/openssl.git] / apps / apps.c
1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
56 */
57 /* ====================================================================
58 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved.
59 *
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
62 * are met:
63 *
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
66 *
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
70 * distribution.
71 *
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
76 *
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
81 *
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
85 *
86 * 6. Redistributions of any form whatsoever must retain the following
87 * acknowledgment:
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
90 *
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
104 *
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
108 *
109 */
110
111 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
112 /*
113 * On VMS, you need to define this to get the declaration of fileno(). The
114 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
115 */
116 # define _POSIX_C_SOURCE 2
117 #endif
118 #include <stdio.h>
119 #include <stdlib.h>
120 #include <string.h>
121 #if !defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_SYS_WINCE) && !defined(NETWARE_CLIB)
122 # include <strings.h>
123 #endif
124 #include <sys/types.h>
125 #include <ctype.h>
126 #include <errno.h>
127 #include <assert.h>
128 #include <openssl/err.h>
129 #include <openssl/x509.h>
130 #include <openssl/x509v3.h>
131 #include <openssl/pem.h>
132 #include <openssl/pkcs12.h>
133 #include <openssl/ui.h>
134 #include <openssl/safestack.h>
135 #ifndef OPENSSL_NO_ENGINE
136 # include <openssl/engine.h>
137 #endif
138 #ifndef OPENSSL_NO_RSA
139 # include <openssl/rsa.h>
140 #endif
141 #include <openssl/bn.h>
142 #ifndef OPENSSL_NO_JPAKE
143 # include <openssl/jpake.h>
144 #endif
145 #include <openssl/ssl.h>
146
147 #include "apps.h"
148
149 #ifdef _WIN32
150 static int WIN32_rename(const char *from, const char *to);
151 # define rename(from,to) WIN32_rename((from),(to))
152 #endif
153
154 typedef struct {
155 const char *name;
156 unsigned long flag;
157 unsigned long mask;
158 } NAME_EX_TBL;
159
160 static UI_METHOD *ui_method = NULL;
161
162 static int set_table_opts(unsigned long *flags, const char *arg,
163 const NAME_EX_TBL * in_tbl);
164 static int set_multi_opts(unsigned long *flags, const char *arg,
165 const NAME_EX_TBL * in_tbl);
166
167 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
168 /* Looks like this stuff is worth moving into separate function */
169 static EVP_PKEY *load_netscape_key(BIO *key, const char *file,
170 const char *key_descrip, int format);
171 #endif
172
173 int app_init(long mesgwin);
174
175 int chopup_args(ARGS *arg, char *buf)
176 {
177 int quoted;
178 char c, *p;
179
180 arg->argc = 0;
181 if (arg->size == 0) {
182 arg->size = 20;
183 arg->argv = (char **)OPENSSL_malloc(sizeof(char *) * arg->size);
184 if (arg->argv == NULL)
185 return 0;
186 }
187
188 for (p = buf;;) {
189 /* Skip whitespace. */
190 while (*p && isspace(*p))
191 p++;
192 if (!*p)
193 break;
194
195 /* The start of something good :-) */
196 if (arg->argc >= arg->size) {
197 arg->size += 20;
198 arg->argv = (char **)OPENSSL_realloc(arg->argv,
199 sizeof(char *) * arg->size);
200 if (arg->argv == NULL)
201 return 0;
202 }
203 quoted = *p == '\'' || *p == '"';
204 if (quoted)
205 c = *p++;
206 arg->argv[arg->argc++] = p;
207
208 /* now look for the end of this */
209 if (quoted) {
210 while (*p && *p != c)
211 p++;
212 *p++ = '\0';
213 } else {
214 while (*p && !isspace(*p))
215 p++;
216 if (*p)
217 *p++ = '\0';
218 }
219 }
220 arg->argv[arg->argc] = NULL;
221 return (1);
222 }
223
224 #ifndef APP_INIT
225 int app_init(long mesgwin)
226 {
227 return (1);
228 }
229 #endif
230
231 int ctx_set_verify_locations(SSL_CTX *ctx,
232 const char *CAfile, const char *CApath)
233 {
234 if (CAfile == NULL && CApath == NULL)
235 return SSL_CTX_set_default_verify_paths(ctx);
236 return SSL_CTX_load_verify_locations(ctx, CAfile, CApath);
237 }
238
239 int dump_cert_text(BIO *out, X509 *x)
240 {
241 char *p;
242
243 p = X509_NAME_oneline(X509_get_subject_name(x), NULL, 0);
244 BIO_puts(out, "subject=");
245 BIO_puts(out, p);
246 OPENSSL_free(p);
247
248 p = X509_NAME_oneline(X509_get_issuer_name(x), NULL, 0);
249 BIO_puts(out, "\nissuer=");
250 BIO_puts(out, p);
251 BIO_puts(out, "\n");
252 OPENSSL_free(p);
253
254 return 0;
255 }
256
257 static int ui_open(UI *ui)
258 {
259 return UI_method_get_opener(UI_OpenSSL())(ui);
260 }
261
262 static int ui_read(UI *ui, UI_STRING *uis)
263 {
264 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
265 && UI_get0_user_data(ui)) {
266 switch (UI_get_string_type(uis)) {
267 case UIT_PROMPT:
268 case UIT_VERIFY:
269 {
270 const char *password =
271 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
272 if (password && password[0] != '\0') {
273 UI_set_result(ui, uis, password);
274 return 1;
275 }
276 }
277 default:
278 break;
279 }
280 }
281 return UI_method_get_reader(UI_OpenSSL())(ui, uis);
282 }
283
284 static int ui_write(UI *ui, UI_STRING *uis)
285 {
286 if (UI_get_input_flags(uis) & UI_INPUT_FLAG_DEFAULT_PWD
287 && UI_get0_user_data(ui)) {
288 switch (UI_get_string_type(uis)) {
289 case UIT_PROMPT:
290 case UIT_VERIFY:
291 {
292 const char *password =
293 ((PW_CB_DATA *)UI_get0_user_data(ui))->password;
294 if (password && password[0] != '\0')
295 return 1;
296 }
297 default:
298 break;
299 }
300 }
301 return UI_method_get_writer(UI_OpenSSL())(ui, uis);
302 }
303
304 static int ui_close(UI *ui)
305 {
306 return UI_method_get_closer(UI_OpenSSL())(ui);
307 }
308
309 int setup_ui_method(void)
310 {
311 ui_method = UI_create_method("OpenSSL application user interface");
312 UI_method_set_opener(ui_method, ui_open);
313 UI_method_set_reader(ui_method, ui_read);
314 UI_method_set_writer(ui_method, ui_write);
315 UI_method_set_closer(ui_method, ui_close);
316 return 0;
317 }
318
319 void destroy_ui_method(void)
320 {
321 if (ui_method) {
322 UI_destroy_method(ui_method);
323 ui_method = NULL;
324 }
325 }
326
327 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_tmp)
328 {
329 UI *ui = NULL;
330 int res = 0;
331 const char *prompt_info = NULL;
332 const char *password = NULL;
333 PW_CB_DATA *cb_data = (PW_CB_DATA *)cb_tmp;
334
335 if (cb_data) {
336 if (cb_data->password)
337 password = cb_data->password;
338 if (cb_data->prompt_info)
339 prompt_info = cb_data->prompt_info;
340 }
341
342 if (password) {
343 res = strlen(password);
344 if (res > bufsiz)
345 res = bufsiz;
346 memcpy(buf, password, res);
347 return res;
348 }
349
350 ui = UI_new_method(ui_method);
351 if (ui) {
352 int ok = 0;
353 char *buff = NULL;
354 int ui_flags = 0;
355 char *prompt;
356
357 prompt = UI_construct_prompt(ui, "pass phrase", prompt_info);
358 if (!prompt) {
359 BIO_printf(bio_err, "Out of memory\n");
360 UI_free(ui);
361 return 0;
362 }
363
364 ui_flags |= UI_INPUT_FLAG_DEFAULT_PWD;
365 UI_ctrl(ui, UI_CTRL_PRINT_ERRORS, 1, 0, 0);
366
367 if (ok >= 0)
368 ok = UI_add_input_string(ui, prompt, ui_flags, buf,
369 PW_MIN_LENGTH, bufsiz - 1);
370 if (ok >= 0 && verify) {
371 buff = (char *)OPENSSL_malloc(bufsiz);
372 if (!buff) {
373 BIO_printf(bio_err, "Out of memory\n");
374 UI_free(ui);
375 OPENSSL_free(prompt);
376 return 0;
377 }
378 ok = UI_add_verify_string(ui, prompt, ui_flags, buff,
379 PW_MIN_LENGTH, bufsiz - 1, buf);
380 }
381 if (ok >= 0)
382 do {
383 ok = UI_process(ui);
384 }
385 while (ok < 0 && UI_ctrl(ui, UI_CTRL_IS_REDOABLE, 0, 0, 0));
386
387 if (buff) {
388 OPENSSL_cleanse(buff, (unsigned int)bufsiz);
389 OPENSSL_free(buff);
390 }
391
392 if (ok >= 0)
393 res = strlen(buf);
394 if (ok == -1) {
395 BIO_printf(bio_err, "User interface error\n");
396 ERR_print_errors(bio_err);
397 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
398 res = 0;
399 }
400 if (ok == -2) {
401 BIO_printf(bio_err, "aborted!\n");
402 OPENSSL_cleanse(buf, (unsigned int)bufsiz);
403 res = 0;
404 }
405 UI_free(ui);
406 OPENSSL_free(prompt);
407 }
408 return res;
409 }
410
411 static char *app_get_pass(char *arg, int keepbio);
412
413 int app_passwd(char *arg1, char *arg2, char **pass1, char **pass2)
414 {
415 int same;
416 if (!arg2 || !arg1 || strcmp(arg1, arg2))
417 same = 0;
418 else
419 same = 1;
420 if (arg1) {
421 *pass1 = app_get_pass(arg1, same);
422 if (!*pass1)
423 return 0;
424 } else if (pass1)
425 *pass1 = NULL;
426 if (arg2) {
427 *pass2 = app_get_pass(arg2, same ? 2 : 0);
428 if (!*pass2)
429 return 0;
430 } else if (pass2)
431 *pass2 = NULL;
432 return 1;
433 }
434
435 static char *app_get_pass(char *arg, int keepbio)
436 {
437 char *tmp, tpass[APP_PASS_LEN];
438 static BIO *pwdbio = NULL;
439 int i;
440 if (!strncmp(arg, "pass:", 5))
441 return BUF_strdup(arg + 5);
442 if (!strncmp(arg, "env:", 4)) {
443 tmp = getenv(arg + 4);
444 if (!tmp) {
445 BIO_printf(bio_err, "Can't read environment variable %s\n", arg + 4);
446 return NULL;
447 }
448 return BUF_strdup(tmp);
449 }
450 if (!keepbio || !pwdbio) {
451 if (!strncmp(arg, "file:", 5)) {
452 pwdbio = BIO_new_file(arg + 5, "r");
453 if (!pwdbio) {
454 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
455 return NULL;
456 }
457 #if !defined(_WIN32)
458 /*
459 * Under _WIN32, which covers even Win64 and CE, file
460 * descriptors referenced by BIO_s_fd are not inherited
461 * by child process and therefore below is not an option.
462 * It could have been an option if bss_fd.c was operating
463 * on real Windows descriptors, such as those obtained
464 * with CreateFile.
465 */
466 } else if (!strncmp(arg, "fd:", 3)) {
467 BIO *btmp;
468 i = atoi(arg + 3);
469 if (i >= 0)
470 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
471 if ((i < 0) || !pwdbio) {
472 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
473 return NULL;
474 }
475 /*
476 * Can't do BIO_gets on an fd BIO so add a buffering BIO
477 */
478 btmp = BIO_new(BIO_f_buffer());
479 pwdbio = BIO_push(btmp, pwdbio);
480 #endif
481 } else if (!strcmp(arg, "stdin")) {
482 pwdbio = dup_bio_in();
483 if (!pwdbio) {
484 BIO_printf(bio_err, "Can't open BIO for stdin\n");
485 return NULL;
486 }
487 } else {
488 BIO_printf(bio_err, "Invalid password argument \"%s\"\n", arg);
489 return NULL;
490 }
491 }
492 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
493 if (keepbio != 1) {
494 BIO_free_all(pwdbio);
495 pwdbio = NULL;
496 }
497 if (i <= 0) {
498 BIO_printf(bio_err, "Error reading password from BIO\n");
499 return NULL;
500 }
501 tmp = strchr(tpass, '\n');
502 if (tmp)
503 *tmp = 0;
504 return BUF_strdup(tpass);
505 }
506
507 int add_oid_section(CONF *conf)
508 {
509 char *p;
510 STACK_OF(CONF_VALUE) *sktmp;
511 CONF_VALUE *cnf;
512 int i;
513 if (!(p = NCONF_get_string(conf, NULL, "oid_section"))) {
514 ERR_clear_error();
515 return 1;
516 }
517 if (!(sktmp = NCONF_get_section(conf, p))) {
518 BIO_printf(bio_err, "problem loading oid section %s\n", p);
519 return 0;
520 }
521 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
522 cnf = sk_CONF_VALUE_value(sktmp, i);
523 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
524 BIO_printf(bio_err, "problem creating object %s=%s\n",
525 cnf->name, cnf->value);
526 return 0;
527 }
528 }
529 return 1;
530 }
531
532 static int load_pkcs12(BIO *in, const char *desc,
533 pem_password_cb *pem_cb, void *cb_data,
534 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
535 {
536 const char *pass;
537 char tpass[PEM_BUFSIZE];
538 int len, ret = 0;
539 PKCS12 *p12;
540 p12 = d2i_PKCS12_bio(in, NULL);
541 if (p12 == NULL) {
542 BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
543 goto die;
544 }
545 /* See if an empty password will do */
546 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0))
547 pass = "";
548 else {
549 if (!pem_cb)
550 pem_cb = (pem_password_cb *)password_callback;
551 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
552 if (len < 0) {
553 BIO_printf(bio_err, "Passphrase callback error for %s\n", desc);
554 goto die;
555 }
556 if (len < PEM_BUFSIZE)
557 tpass[len] = 0;
558 if (!PKCS12_verify_mac(p12, tpass, len)) {
559 BIO_printf(bio_err,
560 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
561 desc);
562 goto die;
563 }
564 pass = tpass;
565 }
566 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
567 die:
568 PKCS12_free(p12);
569 return ret;
570 }
571
572 int load_cert_crl_http(const char *url, X509 **pcert, X509_CRL **pcrl)
573 {
574 char *host = NULL, *port = NULL, *path = NULL;
575 BIO *bio = NULL;
576 OCSP_REQ_CTX *rctx = NULL;
577 int use_ssl, rv = 0;
578 if (!OCSP_parse_url(url, &host, &port, &path, &use_ssl))
579 goto err;
580 if (use_ssl) {
581 BIO_puts(bio_err, "https not supported\n");
582 goto err;
583 }
584 bio = BIO_new_connect(host);
585 if (!bio || !BIO_set_conn_port(bio, port))
586 goto err;
587 rctx = OCSP_REQ_CTX_new(bio, 1024);
588 if (!rctx)
589 goto err;
590 if (!OCSP_REQ_CTX_http(rctx, "GET", path))
591 goto err;
592 if (!OCSP_REQ_CTX_add1_header(rctx, "Host", host))
593 goto err;
594 if (pcert) {
595 do {
596 rv = X509_http_nbio(rctx, pcert);
597 } while (rv == -1);
598 } else {
599 do {
600 rv = X509_CRL_http_nbio(rctx, pcrl);
601 } while (rv == -1);
602 }
603
604 err:
605 if (host)
606 OPENSSL_free(host);
607 if (path)
608 OPENSSL_free(path);
609 if (port)
610 OPENSSL_free(port);
611 if (bio)
612 BIO_free_all(bio);
613 if (rctx)
614 OCSP_REQ_CTX_free(rctx);
615 if (rv != 1) {
616 BIO_printf(bio_err, "Error loading %s from %s\n",
617 pcert ? "certificate" : "CRL", url);
618 ERR_print_errors(bio_err);
619 }
620 return rv;
621 }
622
623 X509 *load_cert(const char *file, int format,
624 const char *pass, ENGINE *e, const char *cert_descrip)
625 {
626 X509 *x = NULL;
627 BIO *cert;
628
629 if (format == FORMAT_HTTP) {
630 load_cert_crl_http(file, &x, NULL);
631 return x;
632 }
633
634 if (file == NULL) {
635 unbuffer(stdin);
636 cert = dup_bio_in();
637 } else
638 cert = bio_open_default(file, RB(format));
639 if (cert == NULL)
640 goto end;
641
642 if (format == FORMAT_ASN1)
643 x = d2i_X509_bio(cert, NULL);
644 else if (format == FORMAT_NETSCAPE) {
645 NETSCAPE_X509 *nx;
646 nx = ASN1_item_d2i_bio(ASN1_ITEM_rptr(NETSCAPE_X509), cert, NULL);
647 if (nx == NULL)
648 goto end;
649
650 if ((strncmp(NETSCAPE_CERT_HDR, (char *)nx->header->data,
651 nx->header->length) != 0)) {
652 NETSCAPE_X509_free(nx);
653 BIO_printf(bio_err, "Error reading header on certificate\n");
654 goto end;
655 }
656 x = nx->cert;
657 nx->cert = NULL;
658 NETSCAPE_X509_free(nx);
659 } else if (format == FORMAT_PEM)
660 x = PEM_read_bio_X509_AUX(cert, NULL,
661 (pem_password_cb *)password_callback, NULL);
662 else if (format == FORMAT_PKCS12) {
663 if (!load_pkcs12(cert, cert_descrip, NULL, NULL, NULL, &x, NULL))
664 goto end;
665 } else {
666 BIO_printf(bio_err, "bad input format specified for %s\n", cert_descrip);
667 goto end;
668 }
669 end:
670 if (x == NULL) {
671 BIO_printf(bio_err, "unable to load certificate\n");
672 ERR_print_errors(bio_err);
673 }
674 if (cert != NULL)
675 BIO_free(cert);
676 return (x);
677 }
678
679 X509_CRL *load_crl(const char *infile, int format)
680 {
681 X509_CRL *x = NULL;
682 BIO *in = NULL;
683
684 if (format == FORMAT_HTTP) {
685 load_cert_crl_http(infile, NULL, &x);
686 return x;
687 }
688
689 in = bio_open_default(infile, RB(format));
690 if (in == NULL)
691 goto end;
692 if (format == FORMAT_ASN1)
693 x = d2i_X509_CRL_bio(in, NULL);
694 else if (format == FORMAT_PEM)
695 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
696 else {
697 BIO_printf(bio_err, "bad input format specified for input crl\n");
698 goto end;
699 }
700 if (x == NULL) {
701 BIO_printf(bio_err, "unable to load CRL\n");
702 ERR_print_errors(bio_err);
703 goto end;
704 }
705
706 end:
707 BIO_free(in);
708 return (x);
709 }
710
711 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
712 const char *pass, ENGINE *e, const char *key_descrip)
713 {
714 BIO *key = NULL;
715 EVP_PKEY *pkey = NULL;
716 PW_CB_DATA cb_data;
717
718 cb_data.password = pass;
719 cb_data.prompt_info = file;
720
721 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
722 BIO_printf(bio_err, "no keyfile specified\n");
723 goto end;
724 }
725 #ifndef OPENSSL_NO_ENGINE
726 if (format == FORMAT_ENGINE) {
727 if (!e)
728 BIO_printf(bio_err, "no engine specified\n");
729 else {
730 pkey = ENGINE_load_private_key(e, file, ui_method, &cb_data);
731 if (!pkey) {
732 BIO_printf(bio_err, "cannot load %s from engine\n", key_descrip);
733 ERR_print_errors(bio_err);
734 }
735 }
736 goto end;
737 }
738 #endif
739 if (file == NULL && maybe_stdin) {
740 unbuffer(stdin);
741 key = dup_bio_in();
742 } else
743 key = bio_open_default(file, RB(format));
744 if (key == NULL)
745 goto end;
746 if (format == FORMAT_ASN1) {
747 pkey = d2i_PrivateKey_bio(key, NULL);
748 } else if (format == FORMAT_PEM) {
749 pkey = PEM_read_bio_PrivateKey(key, NULL,
750 (pem_password_cb *)password_callback,
751 &cb_data);
752 }
753 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
754 else if (format == FORMAT_NETSCAPE)
755 pkey = load_netscape_key(key, file, key_descrip, format);
756 #endif
757 else if (format == FORMAT_PKCS12) {
758 if (!load_pkcs12(key, key_descrip,
759 (pem_password_cb *)password_callback, &cb_data,
760 &pkey, NULL, NULL))
761 goto end;
762 }
763 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
764 else if (format == FORMAT_MSBLOB)
765 pkey = b2i_PrivateKey_bio(key);
766 else if (format == FORMAT_PVK)
767 pkey = b2i_PVK_bio(key, (pem_password_cb *)password_callback,
768 &cb_data);
769 #endif
770 else {
771 BIO_printf(bio_err, "bad input format specified for key file\n");
772 goto end;
773 }
774 end:
775 if (key != NULL)
776 BIO_free(key);
777 if (pkey == NULL) {
778 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
779 ERR_print_errors(bio_err);
780 }
781 return (pkey);
782 }
783
784 static const char *key_file_format(int format)
785 {
786 if (format == FORMAT_PEM || format == FORMAT_PEMRSA)
787 return "r";
788 return "rb";
789 }
790
791 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
792 const char *pass, ENGINE *e, const char *key_descrip)
793 {
794 BIO *key = NULL;
795 EVP_PKEY *pkey = NULL;
796 PW_CB_DATA cb_data;
797
798 cb_data.password = pass;
799 cb_data.prompt_info = file;
800
801 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
802 BIO_printf(bio_err, "no keyfile specified\n");
803 goto end;
804 }
805 #ifndef OPENSSL_NO_ENGINE
806 if (format == FORMAT_ENGINE) {
807 if (!e)
808 BIO_printf(bio_err, "no engine specified\n");
809 else
810 pkey = ENGINE_load_public_key(e, file, ui_method, &cb_data);
811 goto end;
812 }
813 #endif
814 if (file == NULL && maybe_stdin) {
815 unbuffer(stdin);
816 key = dup_bio_in();
817 } else
818 key = bio_open_default(file, key_file_format(format));
819 if (key == NULL)
820 goto end;
821 if (format == FORMAT_ASN1) {
822 pkey = d2i_PUBKEY_bio(key, NULL);
823 }
824 #ifndef OPENSSL_NO_RSA
825 else if (format == FORMAT_ASN1RSA) {
826 RSA *rsa;
827 rsa = d2i_RSAPublicKey_bio(key, NULL);
828 if (rsa) {
829 pkey = EVP_PKEY_new();
830 if (pkey)
831 EVP_PKEY_set1_RSA(pkey, rsa);
832 RSA_free(rsa);
833 } else
834 pkey = NULL;
835 } else if (format == FORMAT_PEMRSA) {
836 RSA *rsa;
837 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
838 (pem_password_cb *)password_callback,
839 &cb_data);
840 if (rsa) {
841 pkey = EVP_PKEY_new();
842 if (pkey)
843 EVP_PKEY_set1_RSA(pkey, rsa);
844 RSA_free(rsa);
845 } else
846 pkey = NULL;
847 }
848 #endif
849 else if (format == FORMAT_PEM) {
850 pkey = PEM_read_bio_PUBKEY(key, NULL,
851 (pem_password_cb *)password_callback,
852 &cb_data);
853 }
854 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
855 else if (format == FORMAT_NETSCAPE)
856 pkey = load_netscape_key(key, file, key_descrip, format);
857 #endif
858 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
859 else if (format == FORMAT_MSBLOB)
860 pkey = b2i_PublicKey_bio(key);
861 #endif
862 end:
863 if (key != NULL)
864 BIO_free(key);
865 if (pkey == NULL)
866 BIO_printf(bio_err, "unable to load %s\n", key_descrip);
867 return (pkey);
868 }
869
870 #if !defined(OPENSSL_NO_RC4) && !defined(OPENSSL_NO_RSA)
871 static EVP_PKEY *load_netscape_key(BIO *key, const char *file,
872 const char *key_descrip, int format)
873 {
874 EVP_PKEY *pkey;
875 BUF_MEM *buf;
876 RSA *rsa;
877 const unsigned char *p;
878 int size, i;
879
880 buf = BUF_MEM_new();
881 pkey = EVP_PKEY_new();
882 size = 0;
883 if (buf == NULL || pkey == NULL)
884 goto error;
885 for (;;) {
886 if (!BUF_MEM_grow_clean(buf, size + 1024 * 10))
887 goto error;
888 i = BIO_read(key, &(buf->data[size]), 1024 * 10);
889 size += i;
890 if (i == 0)
891 break;
892 if (i < 0) {
893 BIO_printf(bio_err, "Error reading %s %s", key_descrip, file);
894 goto error;
895 }
896 }
897 p = (unsigned char *)buf->data;
898 rsa = d2i_RSA_NET(NULL, &p, (long)size, NULL, 0);
899 if (rsa == NULL)
900 goto error;
901 BUF_MEM_free(buf);
902 EVP_PKEY_set1_RSA(pkey, rsa);
903 return pkey;
904 error:
905 BUF_MEM_free(buf);
906 EVP_PKEY_free(pkey);
907 return NULL;
908 }
909 #endif /* ndef OPENSSL_NO_RC4 */
910
911 static int load_certs_crls(const char *file, int format,
912 const char *pass, ENGINE *e, const char *desc,
913 STACK_OF(X509) **pcerts,
914 STACK_OF(X509_CRL) **pcrls)
915 {
916 int i;
917 BIO *bio;
918 STACK_OF(X509_INFO) *xis = NULL;
919 X509_INFO *xi;
920 PW_CB_DATA cb_data;
921 int rv = 0;
922
923 cb_data.password = pass;
924 cb_data.prompt_info = file;
925
926 if (format != FORMAT_PEM) {
927 BIO_printf(bio_err, "bad input format specified for %s\n", desc);
928 return 0;
929 }
930
931 bio = bio_open_default(file, "r");
932 if (bio == NULL)
933 return 0;
934
935 xis = PEM_X509_INFO_read_bio(bio, NULL,
936 (pem_password_cb *)password_callback,
937 &cb_data);
938
939 BIO_free(bio);
940
941 if (pcerts) {
942 *pcerts = sk_X509_new_null();
943 if (!*pcerts)
944 goto end;
945 }
946
947 if (pcrls) {
948 *pcrls = sk_X509_CRL_new_null();
949 if (!*pcrls)
950 goto end;
951 }
952
953 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
954 xi = sk_X509_INFO_value(xis, i);
955 if (xi->x509 && pcerts) {
956 if (!sk_X509_push(*pcerts, xi->x509))
957 goto end;
958 xi->x509 = NULL;
959 }
960 if (xi->crl && pcrls) {
961 if (!sk_X509_CRL_push(*pcrls, xi->crl))
962 goto end;
963 xi->crl = NULL;
964 }
965 }
966
967 if (pcerts && sk_X509_num(*pcerts) > 0)
968 rv = 1;
969
970 if (pcrls && sk_X509_CRL_num(*pcrls) > 0)
971 rv = 1;
972
973 end:
974
975 if (xis)
976 sk_X509_INFO_pop_free(xis, X509_INFO_free);
977
978 if (rv == 0) {
979 if (pcerts) {
980 sk_X509_pop_free(*pcerts, X509_free);
981 *pcerts = NULL;
982 }
983 if (pcrls) {
984 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
985 *pcrls = NULL;
986 }
987 BIO_printf(bio_err, "unable to load %s\n",
988 pcerts ? "certificates" : "CRLs");
989 ERR_print_errors(bio_err);
990 }
991 return rv;
992 }
993
994 STACK_OF(X509) *load_certs(const char *file, int format,
995 const char *pass, ENGINE *e, const char *desc)
996 {
997 STACK_OF(X509) *certs;
998 if (!load_certs_crls(file, format, pass, e, desc, &certs, NULL))
999 return NULL;
1000 return certs;
1001 }
1002
1003 STACK_OF(X509_CRL) *load_crls(const char *file, int format,
1004 const char *pass, ENGINE *e, const char *desc)
1005 {
1006 STACK_OF(X509_CRL) *crls;
1007 if (!load_certs_crls(file, format, pass, e, desc, NULL, &crls))
1008 return NULL;
1009 return crls;
1010 }
1011
1012 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1013 /* Return error for unknown extensions */
1014 #define X509V3_EXT_DEFAULT 0
1015 /* Print error for unknown extensions */
1016 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1017 /* ASN1 parse unknown extensions */
1018 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1019 /* BIO_dump unknown extensions */
1020 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1021
1022 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1023 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1024
1025 int set_cert_ex(unsigned long *flags, const char *arg)
1026 {
1027 static const NAME_EX_TBL cert_tbl[] = {
1028 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1029 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1030 {"no_header", X509_FLAG_NO_HEADER, 0},
1031 {"no_version", X509_FLAG_NO_VERSION, 0},
1032 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1033 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1034 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1035 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1036 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1037 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1038 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1039 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1040 {"no_aux", X509_FLAG_NO_AUX, 0},
1041 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1042 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1043 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1044 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1045 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1046 {NULL, 0, 0}
1047 };
1048 return set_multi_opts(flags, arg, cert_tbl);
1049 }
1050
1051 int set_name_ex(unsigned long *flags, const char *arg)
1052 {
1053 static const NAME_EX_TBL ex_tbl[] = {
1054 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1055 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1056 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1057 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1058 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1059 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1060 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1061 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1062 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1063 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1064 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1065 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1066 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1067 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1068 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1069 {"dn_rev", XN_FLAG_DN_REV, 0},
1070 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1071 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1072 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1073 {"align", XN_FLAG_FN_ALIGN, 0},
1074 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1075 {"space_eq", XN_FLAG_SPC_EQ, 0},
1076 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1077 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1078 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1079 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1080 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1081 {NULL, 0, 0}
1082 };
1083 return set_multi_opts(flags, arg, ex_tbl);
1084 }
1085
1086 int set_ext_copy(int *copy_type, const char *arg)
1087 {
1088 if (!strcasecmp(arg, "none"))
1089 *copy_type = EXT_COPY_NONE;
1090 else if (!strcasecmp(arg, "copy"))
1091 *copy_type = EXT_COPY_ADD;
1092 else if (!strcasecmp(arg, "copyall"))
1093 *copy_type = EXT_COPY_ALL;
1094 else
1095 return 0;
1096 return 1;
1097 }
1098
1099 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1100 {
1101 STACK_OF(X509_EXTENSION) *exts = NULL;
1102 X509_EXTENSION *ext, *tmpext;
1103 ASN1_OBJECT *obj;
1104 int i, idx, ret = 0;
1105 if (!x || !req || (copy_type == EXT_COPY_NONE))
1106 return 1;
1107 exts = X509_REQ_get_extensions(req);
1108
1109 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1110 ext = sk_X509_EXTENSION_value(exts, i);
1111 obj = X509_EXTENSION_get_object(ext);
1112 idx = X509_get_ext_by_OBJ(x, obj, -1);
1113 /* Does extension exist? */
1114 if (idx != -1) {
1115 /* If normal copy don't override existing extension */
1116 if (copy_type == EXT_COPY_ADD)
1117 continue;
1118 /* Delete all extensions of same type */
1119 do {
1120 tmpext = X509_get_ext(x, idx);
1121 X509_delete_ext(x, idx);
1122 X509_EXTENSION_free(tmpext);
1123 idx = X509_get_ext_by_OBJ(x, obj, -1);
1124 } while (idx != -1);
1125 }
1126 if (!X509_add_ext(x, ext, -1))
1127 goto end;
1128 }
1129
1130 ret = 1;
1131
1132 end:
1133
1134 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1135
1136 return ret;
1137 }
1138
1139 static int set_multi_opts(unsigned long *flags, const char *arg,
1140 const NAME_EX_TBL * in_tbl)
1141 {
1142 STACK_OF(CONF_VALUE) *vals;
1143 CONF_VALUE *val;
1144 int i, ret = 1;
1145 if (!arg)
1146 return 0;
1147 vals = X509V3_parse_list(arg);
1148 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1149 val = sk_CONF_VALUE_value(vals, i);
1150 if (!set_table_opts(flags, val->name, in_tbl))
1151 ret = 0;
1152 }
1153 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1154 return ret;
1155 }
1156
1157 static int set_table_opts(unsigned long *flags, const char *arg,
1158 const NAME_EX_TBL * in_tbl)
1159 {
1160 char c;
1161 const NAME_EX_TBL *ptbl;
1162 c = arg[0];
1163
1164 if (c == '-') {
1165 c = 0;
1166 arg++;
1167 } else if (c == '+') {
1168 c = 1;
1169 arg++;
1170 } else
1171 c = 1;
1172
1173 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1174 if (!strcasecmp(arg, ptbl->name)) {
1175 *flags &= ~ptbl->mask;
1176 if (c)
1177 *flags |= ptbl->flag;
1178 else
1179 *flags &= ~ptbl->flag;
1180 return 1;
1181 }
1182 }
1183 return 0;
1184 }
1185
1186 void print_name(BIO *out, const char *title, X509_NAME *nm,
1187 unsigned long lflags)
1188 {
1189 char *buf;
1190 char mline = 0;
1191 int indent = 0;
1192
1193 if (title)
1194 BIO_puts(out, title);
1195 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1196 mline = 1;
1197 indent = 4;
1198 }
1199 if (lflags == XN_FLAG_COMPAT) {
1200 buf = X509_NAME_oneline(nm, 0, 0);
1201 BIO_puts(out, buf);
1202 BIO_puts(out, "\n");
1203 OPENSSL_free(buf);
1204 } else {
1205 if (mline)
1206 BIO_puts(out, "\n");
1207 X509_NAME_print_ex(out, nm, indent, lflags);
1208 BIO_puts(out, "\n");
1209 }
1210 }
1211
1212 void print_bignum_var(BIO *out, BIGNUM *in, const char *var,
1213 int len, unsigned char *buffer)
1214 {
1215 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1216 if (BN_is_zero(in))
1217 BIO_printf(out, "\n\t0x00");
1218 else {
1219 int i, l;
1220
1221 l = BN_bn2bin(in, buffer);
1222 for (i = 0; i < l; i++) {
1223 if ((i % 10) == 0)
1224 BIO_printf(out, "\n\t");
1225 if (i < l - 1)
1226 BIO_printf(out, "0x%02X, ", buffer[i]);
1227 else
1228 BIO_printf(out, "0x%02X", buffer[i]);
1229 }
1230 }
1231 BIO_printf(out, "\n };\n");
1232 }
1233 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1234 {
1235 int i;
1236
1237 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1238 for (i = 0; i < len; i++) {
1239 if ((i % 10) == 0)
1240 BIO_printf(out, "\n ");
1241 if (i < len - 1)
1242 BIO_printf(out, "0x%02X, ", d[i]);
1243 else
1244 BIO_printf(out, "0x%02X", d[i]);
1245 }
1246 BIO_printf(out, "\n};\n");
1247 }
1248
1249 X509_STORE *setup_verify(char *CAfile, char *CApath)
1250 {
1251 X509_STORE *store = X509_STORE_new();
1252 X509_LOOKUP *lookup;
1253
1254 if (!store)
1255 goto end;
1256 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1257 if (lookup == NULL)
1258 goto end;
1259 if (CAfile) {
1260 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1261 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1262 goto end;
1263 }
1264 } else
1265 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1266
1267 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1268 if (lookup == NULL)
1269 goto end;
1270 if (CApath) {
1271 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1272 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1273 goto end;
1274 }
1275 } else
1276 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1277
1278 ERR_clear_error();
1279 return store;
1280 end:
1281 X509_STORE_free(store);
1282 return NULL;
1283 }
1284
1285 #ifndef OPENSSL_NO_ENGINE
1286 /* Try to load an engine in a shareable library */
1287 static ENGINE *try_load_engine(const char *engine, int debug)
1288 {
1289 ENGINE *e = ENGINE_by_id("dynamic");
1290 if (e) {
1291 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1292 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1293 ENGINE_free(e);
1294 e = NULL;
1295 }
1296 }
1297 return e;
1298 }
1299
1300 ENGINE *setup_engine(const char *engine, int debug)
1301 {
1302 ENGINE *e = NULL;
1303
1304 if (engine) {
1305 if (strcmp(engine, "auto") == 0) {
1306 BIO_printf(bio_err, "enabling auto ENGINE support\n");
1307 ENGINE_register_all_complete();
1308 return NULL;
1309 }
1310 if ((e = ENGINE_by_id(engine)) == NULL
1311 && (e = try_load_engine(engine, debug)) == NULL) {
1312 BIO_printf(bio_err, "invalid engine \"%s\"\n", engine);
1313 ERR_print_errors(bio_err);
1314 return NULL;
1315 }
1316 if (debug) {
1317 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1318 }
1319 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, ui_method, 0, 1);
1320 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1321 BIO_printf(bio_err, "can't use that engine\n");
1322 ERR_print_errors(bio_err);
1323 ENGINE_free(e);
1324 return NULL;
1325 }
1326
1327 BIO_printf(bio_err, "engine \"%s\" set.\n", ENGINE_get_id(e));
1328
1329 /* Free our "structural" reference. */
1330 ENGINE_free(e);
1331 }
1332 return e;
1333 }
1334 #endif
1335
1336 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1337 {
1338 const char *n;
1339
1340 n = a[DB_serial];
1341 while (*n == '0')
1342 n++;
1343 return (lh_strhash(n));
1344 }
1345
1346 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1347 const OPENSSL_CSTRING *b)
1348 {
1349 const char *aa, *bb;
1350
1351 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1352 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1353 return (strcmp(aa, bb));
1354 }
1355
1356 static int index_name_qual(char **a)
1357 {
1358 return (a[0][0] == 'V');
1359 }
1360
1361 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1362 {
1363 return (lh_strhash(a[DB_name]));
1364 }
1365
1366 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1367 {
1368 return (strcmp(a[DB_name], b[DB_name]));
1369 }
1370
1371 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1372 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1373 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1374 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1375 #undef BSIZE
1376 #define BSIZE 256
1377 BIGNUM *load_serial(char *serialfile, int create, ASN1_INTEGER **retai)
1378 {
1379 BIO *in = NULL;
1380 BIGNUM *ret = NULL;
1381 char buf[1024];
1382 ASN1_INTEGER *ai = NULL;
1383
1384 ai = ASN1_INTEGER_new();
1385 if (ai == NULL)
1386 goto err;
1387
1388 in = BIO_new_file(serialfile, "r");
1389 if (in == NULL) {
1390 if (!create) {
1391 perror(serialfile);
1392 goto err;
1393 }
1394 ERR_clear_error();
1395 ret = BN_new();
1396 if (ret == NULL || !rand_serial(ret, ai))
1397 BIO_printf(bio_err, "Out of memory\n");
1398 } else {
1399 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1400 BIO_printf(bio_err, "unable to load number from %s\n",
1401 serialfile);
1402 goto err;
1403 }
1404 ret = ASN1_INTEGER_to_BN(ai, NULL);
1405 if (ret == NULL) {
1406 BIO_printf(bio_err,
1407 "error converting number from bin to BIGNUM\n");
1408 goto err;
1409 }
1410 }
1411
1412 if (ret && retai) {
1413 *retai = ai;
1414 ai = NULL;
1415 }
1416 err:
1417 BIO_free(in);
1418 if (ai != NULL)
1419 ASN1_INTEGER_free(ai);
1420 return (ret);
1421 }
1422
1423 int save_serial(char *serialfile, char *suffix, BIGNUM *serial,
1424 ASN1_INTEGER **retai)
1425 {
1426 char buf[1][BSIZE];
1427 BIO *out = NULL;
1428 int ret = 0;
1429 ASN1_INTEGER *ai = NULL;
1430 int j;
1431
1432 if (suffix == NULL)
1433 j = strlen(serialfile);
1434 else
1435 j = strlen(serialfile) + strlen(suffix) + 1;
1436 if (j >= BSIZE) {
1437 BIO_printf(bio_err, "file name too long\n");
1438 goto err;
1439 }
1440
1441 if (suffix == NULL)
1442 BUF_strlcpy(buf[0], serialfile, BSIZE);
1443 else {
1444 #ifndef OPENSSL_SYS_VMS
1445 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, suffix);
1446 #else
1447 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, suffix);
1448 #endif
1449 }
1450 #ifdef RL_DEBUG
1451 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1452 #endif
1453 out = BIO_new_file(buf[0], "w");
1454 if (out == NULL) {
1455 ERR_print_errors(bio_err);
1456 goto err;
1457 }
1458
1459 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1460 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1461 goto err;
1462 }
1463 i2a_ASN1_INTEGER(out, ai);
1464 BIO_puts(out, "\n");
1465 ret = 1;
1466 if (retai) {
1467 *retai = ai;
1468 ai = NULL;
1469 }
1470 err:
1471 BIO_free_all(out);
1472 if (ai != NULL)
1473 ASN1_INTEGER_free(ai);
1474 return (ret);
1475 }
1476
1477 int rotate_serial(char *serialfile, char *new_suffix, char *old_suffix)
1478 {
1479 char buf[5][BSIZE];
1480 int i, j;
1481
1482 i = strlen(serialfile) + strlen(old_suffix);
1483 j = strlen(serialfile) + strlen(new_suffix);
1484 if (i > j)
1485 j = i;
1486 if (j + 1 >= BSIZE) {
1487 BIO_printf(bio_err, "file name too long\n");
1488 goto err;
1489 }
1490 #ifndef OPENSSL_SYS_VMS
1491 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", serialfile, new_suffix);
1492 #else
1493 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", serialfile, new_suffix);
1494 #endif
1495 #ifndef OPENSSL_SYS_VMS
1496 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", serialfile, old_suffix);
1497 #else
1498 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", serialfile, old_suffix);
1499 #endif
1500 #ifdef RL_DEBUG
1501 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1502 serialfile, buf[1]);
1503 #endif
1504 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1505 #ifdef ENOTDIR
1506 && errno != ENOTDIR
1507 #endif
1508 ) {
1509 BIO_printf(bio_err,
1510 "unable to rename %s to %s\n", serialfile, buf[1]);
1511 perror("reason");
1512 goto err;
1513 }
1514 #ifdef RL_DEBUG
1515 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n",
1516 buf[0], serialfile);
1517 #endif
1518 if (rename(buf[0], serialfile) < 0) {
1519 BIO_printf(bio_err,
1520 "unable to rename %s to %s\n", buf[0], serialfile);
1521 perror("reason");
1522 rename(buf[1], serialfile);
1523 goto err;
1524 }
1525 return 1;
1526 err:
1527 return 0;
1528 }
1529
1530 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1531 {
1532 BIGNUM *btmp;
1533 int ret = 0;
1534 if (b)
1535 btmp = b;
1536 else
1537 btmp = BN_new();
1538
1539 if (!btmp)
1540 return 0;
1541
1542 if (!BN_pseudo_rand(btmp, SERIAL_RAND_BITS, 0, 0))
1543 goto error;
1544 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1545 goto error;
1546
1547 ret = 1;
1548
1549 error:
1550
1551 if (!b)
1552 BN_free(btmp);
1553
1554 return ret;
1555 }
1556
1557 CA_DB *load_index(char *dbfile, DB_ATTR *db_attr)
1558 {
1559 CA_DB *retdb = NULL;
1560 TXT_DB *tmpdb = NULL;
1561 BIO *in;
1562 CONF *dbattr_conf = NULL;
1563 char buf[1][BSIZE];
1564 long errorline = -1;
1565
1566 in = BIO_new_file(dbfile, "r");
1567 if (in == NULL) {
1568 ERR_print_errors(bio_err);
1569 goto err;
1570 }
1571 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1572 goto err;
1573
1574 #ifndef OPENSSL_SYS_VMS
1575 BIO_snprintf(buf[0], sizeof buf[0], "%s.attr", dbfile);
1576 #else
1577 BIO_snprintf(buf[0], sizeof buf[0], "%s-attr", dbfile);
1578 #endif
1579 dbattr_conf = NCONF_new(NULL);
1580 if (NCONF_load(dbattr_conf, buf[0], &errorline) <= 0) {
1581 if (errorline > 0) {
1582 BIO_printf(bio_err,
1583 "error on line %ld of db attribute file '%s'\n",
1584 errorline, buf[0]);
1585 goto err;
1586 } else {
1587 NCONF_free(dbattr_conf);
1588 dbattr_conf = NULL;
1589 }
1590 }
1591
1592 if ((retdb = OPENSSL_malloc(sizeof(CA_DB))) == NULL) {
1593 fprintf(stderr, "Out of memory\n");
1594 goto err;
1595 }
1596
1597 retdb->db = tmpdb;
1598 tmpdb = NULL;
1599 if (db_attr)
1600 retdb->attributes = *db_attr;
1601 else {
1602 retdb->attributes.unique_subject = 1;
1603 }
1604
1605 if (dbattr_conf) {
1606 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1607 if (p) {
1608 #ifdef RL_DEBUG
1609 BIO_printf(bio_err,
1610 "DEBUG[load_index]: unique_subject = \"%s\"\n", p);
1611 #endif
1612 retdb->attributes.unique_subject = parse_yesno(p, 1);
1613 }
1614 }
1615
1616 err:
1617 if (dbattr_conf)
1618 NCONF_free(dbattr_conf);
1619 if (tmpdb)
1620 TXT_DB_free(tmpdb);
1621 BIO_free_all(in);
1622 return retdb;
1623 }
1624
1625 int index_index(CA_DB *db)
1626 {
1627 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1628 LHASH_HASH_FN(index_serial),
1629 LHASH_COMP_FN(index_serial))) {
1630 BIO_printf(bio_err,
1631 "error creating serial number index:(%ld,%ld,%ld)\n",
1632 db->db->error, db->db->arg1, db->db->arg2);
1633 return 0;
1634 }
1635
1636 if (db->attributes.unique_subject
1637 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1638 LHASH_HASH_FN(index_name),
1639 LHASH_COMP_FN(index_name))) {
1640 BIO_printf(bio_err, "error creating name index:(%ld,%ld,%ld)\n",
1641 db->db->error, db->db->arg1, db->db->arg2);
1642 return 0;
1643 }
1644 return 1;
1645 }
1646
1647 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1648 {
1649 char buf[3][BSIZE];
1650 BIO *out;
1651 int j;
1652
1653 j = strlen(dbfile) + strlen(suffix);
1654 if (j + 6 >= BSIZE) {
1655 BIO_printf(bio_err, "file name too long\n");
1656 goto err;
1657 }
1658 #ifndef OPENSSL_SYS_VMS
1659 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr", dbfile);
1660 #else
1661 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr", dbfile);
1662 #endif
1663 #ifndef OPENSSL_SYS_VMS
1664 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.attr.%s", dbfile, suffix);
1665 #else
1666 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-attr-%s", dbfile, suffix);
1667 #endif
1668 #ifndef OPENSSL_SYS_VMS
1669 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, suffix);
1670 #else
1671 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, suffix);
1672 #endif
1673 #ifdef RL_DEBUG
1674 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[0]);
1675 #endif
1676 out = BIO_new_file(buf[0], "w");
1677 if (out == NULL) {
1678 perror(dbfile);
1679 BIO_printf(bio_err, "unable to open '%s'\n", dbfile);
1680 goto err;
1681 }
1682 j = TXT_DB_write(out, db->db);
1683 BIO_free(out);
1684 if (j <= 0)
1685 goto err;
1686
1687 out = BIO_new_file(buf[1], "w");
1688 #ifdef RL_DEBUG
1689 BIO_printf(bio_err, "DEBUG: writing \"%s\"\n", buf[1]);
1690 #endif
1691 if (out == NULL) {
1692 perror(buf[2]);
1693 BIO_printf(bio_err, "unable to open '%s'\n", buf[2]);
1694 goto err;
1695 }
1696 BIO_printf(out, "unique_subject = %s\n",
1697 db->attributes.unique_subject ? "yes" : "no");
1698 BIO_free(out);
1699
1700 return 1;
1701 err:
1702 return 0;
1703 }
1704
1705 int rotate_index(const char *dbfile, const char *new_suffix,
1706 const char *old_suffix)
1707 {
1708 char buf[5][BSIZE];
1709 int i, j;
1710
1711 i = strlen(dbfile) + strlen(old_suffix);
1712 j = strlen(dbfile) + strlen(new_suffix);
1713 if (i > j)
1714 j = i;
1715 if (j + 6 >= BSIZE) {
1716 BIO_printf(bio_err, "file name too long\n");
1717 goto err;
1718 }
1719 #ifndef OPENSSL_SYS_VMS
1720 j = BIO_snprintf(buf[4], sizeof buf[4], "%s.attr", dbfile);
1721 #else
1722 j = BIO_snprintf(buf[4], sizeof buf[4], "%s-attr", dbfile);
1723 #endif
1724 #ifndef OPENSSL_SYS_VMS
1725 j = BIO_snprintf(buf[2], sizeof buf[2], "%s.attr.%s", dbfile, new_suffix);
1726 #else
1727 j = BIO_snprintf(buf[2], sizeof buf[2], "%s-attr-%s", dbfile, new_suffix);
1728 #endif
1729 #ifndef OPENSSL_SYS_VMS
1730 j = BIO_snprintf(buf[0], sizeof buf[0], "%s.%s", dbfile, new_suffix);
1731 #else
1732 j = BIO_snprintf(buf[0], sizeof buf[0], "%s-%s", dbfile, new_suffix);
1733 #endif
1734 #ifndef OPENSSL_SYS_VMS
1735 j = BIO_snprintf(buf[1], sizeof buf[1], "%s.%s", dbfile, old_suffix);
1736 #else
1737 j = BIO_snprintf(buf[1], sizeof buf[1], "%s-%s", dbfile, old_suffix);
1738 #endif
1739 #ifndef OPENSSL_SYS_VMS
1740 j = BIO_snprintf(buf[3], sizeof buf[3], "%s.attr.%s", dbfile, old_suffix);
1741 #else
1742 j = BIO_snprintf(buf[3], sizeof buf[3], "%s-attr-%s", dbfile, old_suffix);
1743 #endif
1744 #ifdef RL_DEBUG
1745 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", dbfile, buf[1]);
1746 #endif
1747 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1748 #ifdef ENOTDIR
1749 && errno != ENOTDIR
1750 #endif
1751 ) {
1752 BIO_printf(bio_err, "unable to rename %s to %s\n", dbfile, buf[1]);
1753 perror("reason");
1754 goto err;
1755 }
1756 #ifdef RL_DEBUG
1757 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[0], dbfile);
1758 #endif
1759 if (rename(buf[0], dbfile) < 0) {
1760 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[0], dbfile);
1761 perror("reason");
1762 rename(buf[1], dbfile);
1763 goto err;
1764 }
1765 #ifdef RL_DEBUG
1766 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[4], buf[3]);
1767 #endif
1768 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1769 #ifdef ENOTDIR
1770 && errno != ENOTDIR
1771 #endif
1772 ) {
1773 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[4], buf[3]);
1774 perror("reason");
1775 rename(dbfile, buf[0]);
1776 rename(buf[1], dbfile);
1777 goto err;
1778 }
1779 #ifdef RL_DEBUG
1780 BIO_printf(bio_err, "DEBUG: renaming \"%s\" to \"%s\"\n", buf[2], buf[4]);
1781 #endif
1782 if (rename(buf[2], buf[4]) < 0) {
1783 BIO_printf(bio_err, "unable to rename %s to %s\n", buf[2], buf[4]);
1784 perror("reason");
1785 rename(buf[3], buf[4]);
1786 rename(dbfile, buf[0]);
1787 rename(buf[1], dbfile);
1788 goto err;
1789 }
1790 return 1;
1791 err:
1792 return 0;
1793 }
1794
1795 void free_index(CA_DB *db)
1796 {
1797 if (db) {
1798 if (db->db)
1799 TXT_DB_free(db->db);
1800 OPENSSL_free(db);
1801 }
1802 }
1803
1804 int parse_yesno(const char *str, int def)
1805 {
1806 int ret = def;
1807 if (str) {
1808 switch (*str) {
1809 case 'f': /* false */
1810 case 'F': /* FALSE */
1811 case 'n': /* no */
1812 case 'N': /* NO */
1813 case '0': /* 0 */
1814 ret = 0;
1815 break;
1816 case 't': /* true */
1817 case 'T': /* TRUE */
1818 case 'y': /* yes */
1819 case 'Y': /* YES */
1820 case '1': /* 1 */
1821 ret = 1;
1822 break;
1823 default:
1824 ret = def;
1825 break;
1826 }
1827 }
1828 return ret;
1829 }
1830
1831 /*
1832 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1833 * where characters may be escaped by \
1834 */
1835 X509_NAME *parse_name(char *subject, long chtype, int multirdn)
1836 {
1837 size_t buflen = strlen(subject) + 1; /* to copy the types and values
1838 * into. due to escaping, the copy
1839 * can only become shorter */
1840 char *buf = OPENSSL_malloc(buflen);
1841 size_t max_ne = buflen / 2 + 1; /* maximum number of name elements */
1842 char **ne_types = OPENSSL_malloc(max_ne * sizeof(char *));
1843 char **ne_values = OPENSSL_malloc(max_ne * sizeof(char *));
1844 int *mval = OPENSSL_malloc(max_ne * sizeof(int));
1845
1846 char *sp = subject, *bp = buf;
1847 int i, ne_num = 0;
1848
1849 X509_NAME *n = NULL;
1850 int nid;
1851
1852 if (!buf || !ne_types || !ne_values || !mval) {
1853 BIO_printf(bio_err, "malloc error\n");
1854 goto error;
1855 }
1856
1857 if (*subject != '/') {
1858 BIO_printf(bio_err, "Subject does not start with '/'.\n");
1859 goto error;
1860 }
1861 sp++; /* skip leading / */
1862
1863 /* no multivalued RDN by default */
1864 mval[ne_num] = 0;
1865
1866 while (*sp) {
1867 /* collect type */
1868 ne_types[ne_num] = bp;
1869 while (*sp) {
1870 if (*sp == '\\') { /* is there anything to escape in the
1871 * type...? */
1872 if (*++sp)
1873 *bp++ = *sp++;
1874 else {
1875 BIO_printf(bio_err,
1876 "escape character at end of string\n");
1877 goto error;
1878 }
1879 } else if (*sp == '=') {
1880 sp++;
1881 *bp++ = '\0';
1882 break;
1883 } else
1884 *bp++ = *sp++;
1885 }
1886 if (!*sp) {
1887 BIO_printf(bio_err,
1888 "end of string encountered while processing type of subject name element #%d\n",
1889 ne_num);
1890 goto error;
1891 }
1892 ne_values[ne_num] = bp;
1893 while (*sp) {
1894 if (*sp == '\\') {
1895 if (*++sp)
1896 *bp++ = *sp++;
1897 else {
1898 BIO_printf(bio_err,
1899 "escape character at end of string\n");
1900 goto error;
1901 }
1902 } else if (*sp == '/') {
1903 sp++;
1904 /* no multivalued RDN by default */
1905 mval[ne_num + 1] = 0;
1906 break;
1907 } else if (*sp == '+' && multirdn) {
1908 /*
1909 * a not escaped + signals a mutlivalued RDN
1910 */
1911 sp++;
1912 mval[ne_num + 1] = -1;
1913 break;
1914 } else
1915 *bp++ = *sp++;
1916 }
1917 *bp++ = '\0';
1918 ne_num++;
1919 }
1920
1921 if (!(n = X509_NAME_new()))
1922 goto error;
1923
1924 for (i = 0; i < ne_num; i++) {
1925 if ((nid = OBJ_txt2nid(ne_types[i])) == NID_undef) {
1926 BIO_printf(bio_err,
1927 "Subject Attribute %s has no known NID, skipped\n",
1928 ne_types[i]);
1929 continue;
1930 }
1931
1932 if (!*ne_values[i]) {
1933 BIO_printf(bio_err,
1934 "No value provided for Subject Attribute %s, skipped\n",
1935 ne_types[i]);
1936 continue;
1937 }
1938
1939 if (!X509_NAME_add_entry_by_NID
1940 (n, nid, chtype, (unsigned char *)ne_values[i], -1, -1, mval[i]))
1941 goto error;
1942 }
1943
1944 OPENSSL_free(ne_values);
1945 OPENSSL_free(ne_types);
1946 OPENSSL_free(buf);
1947 OPENSSL_free(mval);
1948 return n;
1949
1950 error:
1951 X509_NAME_free(n);
1952 if (ne_values)
1953 OPENSSL_free(ne_values);
1954 if (ne_types)
1955 OPENSSL_free(ne_types);
1956 if (mval)
1957 OPENSSL_free(mval);
1958 if (buf)
1959 OPENSSL_free(buf);
1960 return NULL;
1961 }
1962
1963 /*
1964 * Read whole contents of a BIO into an allocated memory buffer and return
1965 * it.
1966 */
1967
1968 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1969 {
1970 BIO *mem;
1971 int len, ret;
1972 unsigned char tbuf[1024];
1973 mem = BIO_new(BIO_s_mem());
1974 if (!mem)
1975 return -1;
1976 for (;;) {
1977 if ((maxlen != -1) && maxlen < 1024)
1978 len = maxlen;
1979 else
1980 len = 1024;
1981 len = BIO_read(in, tbuf, len);
1982 if (len <= 0)
1983 break;
1984 if (BIO_write(mem, tbuf, len) != len) {
1985 BIO_free(mem);
1986 return -1;
1987 }
1988 maxlen -= len;
1989
1990 if (maxlen == 0)
1991 break;
1992 }
1993 ret = BIO_get_mem_data(mem, (char **)out);
1994 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1995 BIO_free(mem);
1996 return ret;
1997 }
1998
1999 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, char *value)
2000 {
2001 int rv;
2002 char *stmp, *vtmp = NULL;
2003 stmp = BUF_strdup(value);
2004 if (!stmp)
2005 return -1;
2006 vtmp = strchr(stmp, ':');
2007 if (vtmp) {
2008 *vtmp = 0;
2009 vtmp++;
2010 }
2011 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2012 OPENSSL_free(stmp);
2013 return rv;
2014 }
2015
2016 static void nodes_print(BIO *out, const char *name,
2017 STACK_OF(X509_POLICY_NODE) *nodes)
2018 {
2019 X509_POLICY_NODE *node;
2020 int i;
2021 BIO_printf(out, "%s Policies:", name);
2022 if (nodes) {
2023 BIO_puts(out, "\n");
2024 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2025 node = sk_X509_POLICY_NODE_value(nodes, i);
2026 X509_POLICY_NODE_print(out, node, 2);
2027 }
2028 } else
2029 BIO_puts(out, " <empty>\n");
2030 }
2031
2032 void policies_print(BIO *out, X509_STORE_CTX *ctx)
2033 {
2034 X509_POLICY_TREE *tree;
2035 int explicit_policy;
2036 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2037 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2038
2039 BIO_printf(out, "Require explicit Policy: %s\n",
2040 explicit_policy ? "True" : "False");
2041
2042 nodes_print(out, "Authority", X509_policy_tree_get0_policies(tree));
2043 nodes_print(out, "User", X509_policy_tree_get0_user_policies(tree));
2044 }
2045
2046 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
2047
2048 static JPAKE_CTX *jpake_init(const char *us, const char *them,
2049 const char *secret)
2050 {
2051 BIGNUM *p = NULL;
2052 BIGNUM *g = NULL;
2053 BIGNUM *q = NULL;
2054 BIGNUM *bnsecret = BN_new();
2055 JPAKE_CTX *ctx;
2056
2057 /* Use a safe prime for p (that we found earlier) */
2058 BN_hex2bn(&p,
2059 "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
2060 g = BN_new();
2061 BN_set_word(g, 2);
2062 q = BN_new();
2063 BN_rshift1(q, p);
2064
2065 BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
2066
2067 ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
2068 BN_free(bnsecret);
2069 BN_free(q);
2070 BN_free(g);
2071 BN_free(p);
2072
2073 return ctx;
2074 }
2075
2076 static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
2077 {
2078 BN_print(conn, p->gx);
2079 BIO_puts(conn, "\n");
2080 BN_print(conn, p->zkpx.gr);
2081 BIO_puts(conn, "\n");
2082 BN_print(conn, p->zkpx.b);
2083 BIO_puts(conn, "\n");
2084 }
2085
2086 static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
2087 {
2088 JPAKE_STEP1 s1;
2089
2090 JPAKE_STEP1_init(&s1);
2091 JPAKE_STEP1_generate(&s1, ctx);
2092 jpake_send_part(bconn, &s1.p1);
2093 jpake_send_part(bconn, &s1.p2);
2094 (void)BIO_flush(bconn);
2095 JPAKE_STEP1_release(&s1);
2096 }
2097
2098 static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
2099 {
2100 JPAKE_STEP2 s2;
2101
2102 JPAKE_STEP2_init(&s2);
2103 JPAKE_STEP2_generate(&s2, ctx);
2104 jpake_send_part(bconn, &s2);
2105 (void)BIO_flush(bconn);
2106 JPAKE_STEP2_release(&s2);
2107 }
2108
2109 static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
2110 {
2111 JPAKE_STEP3A s3a;
2112
2113 JPAKE_STEP3A_init(&s3a);
2114 JPAKE_STEP3A_generate(&s3a, ctx);
2115 BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
2116 (void)BIO_flush(bconn);
2117 JPAKE_STEP3A_release(&s3a);
2118 }
2119
2120 static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
2121 {
2122 JPAKE_STEP3B s3b;
2123
2124 JPAKE_STEP3B_init(&s3b);
2125 JPAKE_STEP3B_generate(&s3b, ctx);
2126 BIO_write(bconn, s3b.hk, sizeof s3b.hk);
2127 (void)BIO_flush(bconn);
2128 JPAKE_STEP3B_release(&s3b);
2129 }
2130
2131 static void readbn(BIGNUM **bn, BIO *bconn)
2132 {
2133 char buf[10240];
2134 int l;
2135
2136 l = BIO_gets(bconn, buf, sizeof buf);
2137 assert(l > 0);
2138 assert(buf[l - 1] == '\n');
2139 buf[l - 1] = '\0';
2140 BN_hex2bn(bn, buf);
2141 }
2142
2143 static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
2144 {
2145 readbn(&p->gx, bconn);
2146 readbn(&p->zkpx.gr, bconn);
2147 readbn(&p->zkpx.b, bconn);
2148 }
2149
2150 static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
2151 {
2152 JPAKE_STEP1 s1;
2153
2154 JPAKE_STEP1_init(&s1);
2155 jpake_receive_part(&s1.p1, bconn);
2156 jpake_receive_part(&s1.p2, bconn);
2157 if (!JPAKE_STEP1_process(ctx, &s1)) {
2158 ERR_print_errors(bio_err);
2159 exit(1);
2160 }
2161 JPAKE_STEP1_release(&s1);
2162 }
2163
2164 static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
2165 {
2166 JPAKE_STEP2 s2;
2167
2168 JPAKE_STEP2_init(&s2);
2169 jpake_receive_part(&s2, bconn);
2170 if (!JPAKE_STEP2_process(ctx, &s2)) {
2171 ERR_print_errors(bio_err);
2172 exit(1);
2173 }
2174 JPAKE_STEP2_release(&s2);
2175 }
2176
2177 static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
2178 {
2179 JPAKE_STEP3A s3a;
2180 int l;
2181
2182 JPAKE_STEP3A_init(&s3a);
2183 l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
2184 assert(l == sizeof s3a.hhk);
2185 if (!JPAKE_STEP3A_process(ctx, &s3a)) {
2186 ERR_print_errors(bio_err);
2187 exit(1);
2188 }
2189 JPAKE_STEP3A_release(&s3a);
2190 }
2191
2192 static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
2193 {
2194 JPAKE_STEP3B s3b;
2195 int l;
2196
2197 JPAKE_STEP3B_init(&s3b);
2198 l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
2199 assert(l == sizeof s3b.hk);
2200 if (!JPAKE_STEP3B_process(ctx, &s3b)) {
2201 ERR_print_errors(bio_err);
2202 exit(1);
2203 }
2204 JPAKE_STEP3B_release(&s3b);
2205 }
2206
2207 void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
2208 {
2209 JPAKE_CTX *ctx;
2210 BIO *bconn;
2211
2212 BIO_puts(out, "Authenticating with JPAKE\n");
2213
2214 ctx = jpake_init("client", "server", secret);
2215
2216 bconn = BIO_new(BIO_f_buffer());
2217 BIO_push(bconn, conn);
2218
2219 jpake_send_step1(bconn, ctx);
2220 jpake_receive_step1(ctx, bconn);
2221 jpake_send_step2(bconn, ctx);
2222 jpake_receive_step2(ctx, bconn);
2223 jpake_send_step3a(bconn, ctx);
2224 jpake_receive_step3b(ctx, bconn);
2225
2226 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2227
2228 if (psk_key)
2229 OPENSSL_free(psk_key);
2230
2231 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2232
2233 BIO_pop(bconn);
2234 BIO_free(bconn);
2235
2236 JPAKE_CTX_free(ctx);
2237 }
2238
2239 void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
2240 {
2241 JPAKE_CTX *ctx;
2242 BIO *bconn;
2243
2244 BIO_puts(out, "Authenticating with JPAKE\n");
2245
2246 ctx = jpake_init("server", "client", secret);
2247
2248 bconn = BIO_new(BIO_f_buffer());
2249 BIO_push(bconn, conn);
2250
2251 jpake_receive_step1(ctx, bconn);
2252 jpake_send_step1(bconn, ctx);
2253 jpake_receive_step2(ctx, bconn);
2254 jpake_send_step2(bconn, ctx);
2255 jpake_receive_step3a(ctx, bconn);
2256 jpake_send_step3b(bconn, ctx);
2257
2258 BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
2259
2260 if (psk_key)
2261 OPENSSL_free(psk_key);
2262
2263 psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
2264
2265 BIO_pop(bconn);
2266 BIO_free(bconn);
2267
2268 JPAKE_CTX_free(ctx);
2269 }
2270
2271 #endif
2272
2273 #ifndef OPENSSL_NO_TLSEXT
2274 /*-
2275 * next_protos_parse parses a comma separated list of strings into a string
2276 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2277 * outlen: (output) set to the length of the resulting buffer on success.
2278 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2279 * in: a NUL termianted string like "abc,def,ghi"
2280 *
2281 * returns: a malloced buffer or NULL on failure.
2282 */
2283 unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
2284 {
2285 size_t len;
2286 unsigned char *out;
2287 size_t i, start = 0;
2288
2289 len = strlen(in);
2290 if (len >= 65535)
2291 return NULL;
2292
2293 out = OPENSSL_malloc(strlen(in) + 1);
2294 if (!out)
2295 return NULL;
2296
2297 for (i = 0; i <= len; ++i) {
2298 if (i == len || in[i] == ',') {
2299 if (i - start > 255) {
2300 OPENSSL_free(out);
2301 return NULL;
2302 }
2303 out[start] = i - start;
2304 start = i + 1;
2305 } else
2306 out[i + 1] = in[i];
2307 }
2308
2309 *outlen = len + 1;
2310 return out;
2311 }
2312 #endif /* ndef OPENSSL_NO_TLSEXT */
2313
2314 void print_cert_checks(BIO *bio, X509 *x,
2315 const char *checkhost,
2316 const char *checkemail, const char *checkip)
2317 {
2318 if (x == NULL)
2319 return;
2320 if (checkhost) {
2321 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2322 checkhost,
2323 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2324 ? "" : " NOT");
2325 }
2326
2327 if (checkemail) {
2328 BIO_printf(bio, "Email %s does%s match certificate\n",
2329 checkemail, X509_check_email(x, checkemail, 0, 0)
2330 ? "" : " NOT");
2331 }
2332
2333 if (checkip) {
2334 BIO_printf(bio, "IP %s does%s match certificate\n",
2335 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2336 }
2337 }
2338
2339 /* Get first http URL from a DIST_POINT structure */
2340
2341 static const char *get_dp_url(DIST_POINT *dp)
2342 {
2343 GENERAL_NAMES *gens;
2344 GENERAL_NAME *gen;
2345 int i, gtype;
2346 ASN1_STRING *uri;
2347 if (!dp->distpoint || dp->distpoint->type != 0)
2348 return NULL;
2349 gens = dp->distpoint->name.fullname;
2350 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2351 gen = sk_GENERAL_NAME_value(gens, i);
2352 uri = GENERAL_NAME_get0_value(gen, &gtype);
2353 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2354 char *uptr = (char *)ASN1_STRING_data(uri);
2355 if (!strncmp(uptr, "http://", 7))
2356 return uptr;
2357 }
2358 }
2359 return NULL;
2360 }
2361
2362 /*
2363 * Look through a CRLDP structure and attempt to find an http URL to
2364 * downloads a CRL from.
2365 */
2366
2367 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2368 {
2369 int i;
2370 const char *urlptr = NULL;
2371 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2372 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2373 urlptr = get_dp_url(dp);
2374 if (urlptr)
2375 return load_crl(urlptr, FORMAT_HTTP);
2376 }
2377 return NULL;
2378 }
2379
2380 /*
2381 * Example of downloading CRLs from CRLDP: not usable for real world as it
2382 * always downloads, doesn't support non-blocking I/O and doesn't cache
2383 * anything.
2384 */
2385
2386 static STACK_OF(X509_CRL) *crls_http_cb(X509_STORE_CTX *ctx, X509_NAME *nm)
2387 {
2388 X509 *x;
2389 STACK_OF(X509_CRL) *crls = NULL;
2390 X509_CRL *crl;
2391 STACK_OF(DIST_POINT) *crldp;
2392
2393 crls = sk_X509_CRL_new_null();
2394 if (!crls)
2395 return NULL;
2396 x = X509_STORE_CTX_get_current_cert(ctx);
2397 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2398 crl = load_crl_crldp(crldp);
2399 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2400 if (!crl)
2401 return NULL;
2402 sk_X509_CRL_push(crls, crl);
2403 /* Try to download delta CRL */
2404 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2405 crl = load_crl_crldp(crldp);
2406 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2407 if (crl)
2408 sk_X509_CRL_push(crls, crl);
2409 return crls;
2410 }
2411
2412 void store_setup_crl_download(X509_STORE *st)
2413 {
2414 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2415 }
2416
2417 /*
2418 * Platform-specific sections
2419 */
2420 #if defined(_WIN32)
2421 # ifdef fileno
2422 # undef fileno
2423 # define fileno(a) (int)_fileno(a)
2424 # endif
2425
2426 # include <windows.h>
2427 # include <tchar.h>
2428
2429 static int WIN32_rename(const char *from, const char *to)
2430 {
2431 TCHAR *tfrom = NULL, *tto;
2432 DWORD err;
2433 int ret = 0;
2434
2435 if (sizeof(TCHAR) == 1) {
2436 tfrom = (TCHAR *)from;
2437 tto = (TCHAR *)to;
2438 } else { /* UNICODE path */
2439
2440 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2441 tfrom = (TCHAR *)malloc(sizeof(TCHAR) * (flen + tlen));
2442 if (tfrom == NULL)
2443 goto err;
2444 tto = tfrom + flen;
2445 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2446 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2447 # endif
2448 for (i = 0; i < flen; i++)
2449 tfrom[i] = (TCHAR)from[i];
2450 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2451 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2452 # endif
2453 for (i = 0; i < tlen; i++)
2454 tto[i] = (TCHAR)to[i];
2455 }
2456
2457 if (MoveFile(tfrom, tto))
2458 goto ok;
2459 err = GetLastError();
2460 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2461 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2462 goto ok;
2463 err = GetLastError();
2464 }
2465 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2466 errno = ENOENT;
2467 else if (err == ERROR_ACCESS_DENIED)
2468 errno = EACCES;
2469 else
2470 errno = EINVAL; /* we could map more codes... */
2471 err:
2472 ret = -1;
2473 ok:
2474 if (tfrom != NULL && tfrom != (TCHAR *)from)
2475 free(tfrom);
2476 return ret;
2477 }
2478 #endif
2479
2480 /* app_tminterval section */
2481 #if defined(_WIN32)
2482 double app_tminterval(int stop, int usertime)
2483 {
2484 FILETIME now;
2485 double ret = 0;
2486 static ULARGE_INTEGER tmstart;
2487 static int warning = 1;
2488 # ifdef _WIN32_WINNT
2489 static HANDLE proc = NULL;
2490
2491 if (proc == NULL) {
2492 if (check_winnt())
2493 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2494 GetCurrentProcessId());
2495 if (proc == NULL)
2496 proc = (HANDLE) - 1;
2497 }
2498
2499 if (usertime && proc != (HANDLE) - 1) {
2500 FILETIME junk;
2501 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2502 } else
2503 # endif
2504 {
2505 SYSTEMTIME systime;
2506
2507 if (usertime && warning) {
2508 BIO_printf(bio_err, "To get meaningful results, run "
2509 "this program on idle system.\n");
2510 warning = 0;
2511 }
2512 GetSystemTime(&systime);
2513 SystemTimeToFileTime(&systime, &now);
2514 }
2515
2516 if (stop == TM_START) {
2517 tmstart.u.LowPart = now.dwLowDateTime;
2518 tmstart.u.HighPart = now.dwHighDateTime;
2519 } else {
2520 ULARGE_INTEGER tmstop;
2521
2522 tmstop.u.LowPart = now.dwLowDateTime;
2523 tmstop.u.HighPart = now.dwHighDateTime;
2524
2525 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2526 }
2527
2528 return (ret);
2529 }
2530 #elif defined(OPENSSL_SYS_NETWARE)
2531 # include <time.h>
2532
2533 double app_tminterval(int stop, int usertime)
2534 {
2535 static clock_t tmstart;
2536 static int warning = 1;
2537 double ret = 0;
2538
2539 if (usertime && warning) {
2540 BIO_printf(bio_err, "To get meaningful results, run "
2541 "this program on idle system.\n");
2542 warning = 0;
2543 }
2544
2545 if (stop == TM_START)
2546 tmstart = clock();
2547 else
2548 ret = (clock() - tmstart) / (double)CLOCKS_PER_SEC;
2549
2550 return (ret);
2551 }
2552
2553
2554 #elif defined(OPENSSL_SYSTEM_VXWORKS)
2555 # include <time.h>
2556
2557 double app_tminterval(int stop, int usertime)
2558 {
2559 double ret = 0;
2560 # ifdef CLOCK_REALTIME
2561 static struct timespec tmstart;
2562 struct timespec now;
2563 # else
2564 static unsigned long tmstart;
2565 unsigned long now;
2566 # endif
2567 static int warning = 1;
2568
2569 if (usertime && warning) {
2570 BIO_printf(bio_err, "To get meaningful results, run "
2571 "this program on idle system.\n");
2572 warning = 0;
2573 }
2574 # ifdef CLOCK_REALTIME
2575 clock_gettime(CLOCK_REALTIME, &now);
2576 if (stop == TM_START)
2577 tmstart = now;
2578 else
2579 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2580 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2581 # else
2582 now = tickGet();
2583 if (stop == TM_START)
2584 tmstart = now;
2585 else
2586 ret = (now - tmstart) / (double)sysClkRateGet();
2587 # endif
2588 return (ret);
2589 }
2590
2591 #elif defined(OPENSSL_SYSTEM_VMS)
2592 # include <time.h>
2593 # include <times.h>
2594
2595 double app_tminterval(int stop, int usertime)
2596 {
2597 static clock_t tmstart;
2598 double ret = 0;
2599 clock_t now;
2600 # ifdef __TMS
2601 struct tms rus;
2602
2603 now = times(&rus);
2604 if (usertime)
2605 now = rus.tms_utime;
2606 # else
2607 if (usertime)
2608 now = clock(); /* sum of user and kernel times */
2609 else {
2610 struct timeval tv;
2611 gettimeofday(&tv, NULL);
2612 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2613 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2614 );
2615 }
2616 # endif
2617 if (stop == TM_START)
2618 tmstart = now;
2619 else
2620 ret = (now - tmstart) / (double)(CLK_TCK);
2621
2622 return (ret);
2623 }
2624
2625 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2626 # include <sys/times.h>
2627
2628 double app_tminterval(int stop, int usertime)
2629 {
2630 double ret = 0;
2631 struct tms rus;
2632 clock_t now = times(&rus);
2633 static clock_t tmstart;
2634
2635 if (usertime)
2636 now = rus.tms_utime;
2637
2638 if (stop == TM_START)
2639 tmstart = now;
2640 else {
2641 long int tck = sysconf(_SC_CLK_TCK);
2642 ret = (now - tmstart) / (double)tck;
2643 }
2644
2645 return (ret);
2646 }
2647
2648 #else
2649 # include <sys/time.h>
2650 # include <sys/resource.h>
2651
2652 double app_tminterval(int stop, int usertime)
2653 {
2654 double ret = 0;
2655 struct rusage rus;
2656 struct timeval now;
2657 static struct timeval tmstart;
2658
2659 if (usertime)
2660 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2661 else
2662 gettimeofday(&now, NULL);
2663
2664 if (stop == TM_START)
2665 tmstart = now;
2666 else
2667 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2668 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2669
2670 return ret;
2671 }
2672 #endif
2673
2674 int app_access(const char* name, int flag)
2675 {
2676 #ifdef _WIN32
2677 return _access(name, flag);
2678 #else
2679 return access(name, flag);
2680 #endif
2681 }
2682
2683 /* app_isdir section */
2684 #ifdef _WIN32
2685 int app_isdir(const char *name)
2686 {
2687 HANDLE hList;
2688 WIN32_FIND_DATA FileData;
2689 # if defined(UNICODE) || defined(_UNICODE)
2690 size_t i, len_0 = strlen(name) + 1;
2691
2692 if (len_0 > sizeof(FileData.cFileName) / sizeof(FileData.cFileName[0]))
2693 return -1;
2694
2695 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2696 if (!MultiByteToWideChar
2697 (CP_ACP, 0, name, len_0, FileData.cFileName, len_0))
2698 # endif
2699 for (i = 0; i < len_0; i++)
2700 FileData.cFileName[i] = (WCHAR)name[i];
2701
2702 hList = FindFirstFile(FileData.cFileName, &FileData);
2703 # else
2704 hList = FindFirstFile(name, &FileData);
2705 # endif
2706 if (hList == INVALID_HANDLE_VALUE)
2707 return -1;
2708 FindClose(hList);
2709 return ((FileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
2710 }
2711 #else
2712 # include <sys/stat.h>
2713 # ifndef S_ISDIR
2714 # if defined(_S_IFMT) && defined(_S_IFDIR)
2715 # define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
2716 # else
2717 # define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
2718 # endif
2719 # endif
2720
2721 int app_isdir(const char *name)
2722 {
2723 # if defined(S_ISDIR)
2724 struct stat st;
2725
2726 if (stat(name, &st) == 0)
2727 return S_ISDIR(st.st_mode);
2728 else
2729 return -1;
2730 # else
2731 return -1;
2732 # endif
2733 }
2734 #endif
2735
2736 /* raw_read|write section */
2737 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2738 int raw_read_stdin(void *buf, int siz)
2739 {
2740 DWORD n;
2741 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2742 return (n);
2743 else
2744 return (-1);
2745 }
2746 #else
2747 int raw_read_stdin(void *buf, int siz)
2748 {
2749 return read(fileno(stdin), buf, siz);
2750 }
2751 #endif
2752
2753 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2754 int raw_write_stdout(const void *buf, int siz)
2755 {
2756 DWORD n;
2757 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2758 return (n);
2759 else
2760 return (-1);
2761 }
2762 #else
2763 int raw_write_stdout(const void *buf, int siz)
2764 {
2765 return write(fileno(stdout), buf, siz);
2766 }
2767 #endif
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