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Build: make apps/progs.c depend on configdata.pm
[thirdparty/openssl.git] / apps / lib / apps.c
1 /*
2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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 "apps.h"
44
45 #ifdef _WIN32
46 static int WIN32_rename(const char *from, const char *to);
47 # define rename(from,to) WIN32_rename((from),(to))
48 #endif
49
50 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
51 # include <conio.h>
52 #endif
53
54 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32)
55 # define _kbhit kbhit
56 #endif
57
58 #define PASS_SOURCE_SIZE_MAX 4
59
60 DEFINE_STACK_OF(CONF)
61 DEFINE_STACK_OF(CONF_VALUE)
62 DEFINE_STACK_OF(X509)
63 DEFINE_STACK_OF(X509_CRL)
64 DEFINE_STACK_OF(X509_INFO)
65 DEFINE_STACK_OF(X509_EXTENSION)
66 DEFINE_STACK_OF(X509_POLICY_NODE)
67 DEFINE_STACK_OF(GENERAL_NAME)
68 DEFINE_STACK_OF(DIST_POINT)
69 DEFINE_STACK_OF_STRING()
70
71 typedef struct {
72 const char *name;
73 unsigned long flag;
74 unsigned long mask;
75 } NAME_EX_TBL;
76
77 static int set_table_opts(unsigned long *flags, const char *arg,
78 const NAME_EX_TBL * in_tbl);
79 static int set_multi_opts(unsigned long *flags, const char *arg,
80 const NAME_EX_TBL * in_tbl);
81
82 int app_init(long mesgwin);
83
84 int chopup_args(ARGS *arg, char *buf)
85 {
86 int quoted;
87 char c = '\0', *p = NULL;
88
89 arg->argc = 0;
90 if (arg->size == 0) {
91 arg->size = 20;
92 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
93 }
94
95 for (p = buf;;) {
96 /* Skip whitespace. */
97 while (*p && isspace(_UC(*p)))
98 p++;
99 if (*p == '\0')
100 break;
101
102 /* The start of something good :-) */
103 if (arg->argc >= arg->size) {
104 char **tmp;
105 arg->size += 20;
106 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
107 if (tmp == NULL)
108 return 0;
109 arg->argv = tmp;
110 }
111 quoted = *p == '\'' || *p == '"';
112 if (quoted)
113 c = *p++;
114 arg->argv[arg->argc++] = p;
115
116 /* now look for the end of this */
117 if (quoted) {
118 while (*p && *p != c)
119 p++;
120 *p++ = '\0';
121 } else {
122 while (*p && !isspace(_UC(*p)))
123 p++;
124 if (*p)
125 *p++ = '\0';
126 }
127 }
128 arg->argv[arg->argc] = NULL;
129 return 1;
130 }
131
132 #ifndef APP_INIT
133 int app_init(long mesgwin)
134 {
135 return 1;
136 }
137 #endif
138
139 int ctx_set_verify_locations(SSL_CTX *ctx,
140 const char *CAfile, int noCAfile,
141 const char *CApath, int noCApath,
142 const char *CAstore, int noCAstore)
143 {
144 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
145 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
146 return 0;
147 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
148 return 0;
149 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
150 return 0;
151
152 return 1;
153 }
154
155 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
156 return 0;
157 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
158 return 0;
159 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
160 return 0;
161 return 1;
162 }
163
164 #ifndef OPENSSL_NO_CT
165
166 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
167 {
168 if (path == NULL)
169 return SSL_CTX_set_default_ctlog_list_file(ctx);
170
171 return SSL_CTX_set_ctlog_list_file(ctx, path);
172 }
173
174 #endif
175
176 static unsigned long nmflag = 0;
177 static char nmflag_set = 0;
178
179 int set_nameopt(const char *arg)
180 {
181 int ret = set_name_ex(&nmflag, arg);
182
183 if (ret)
184 nmflag_set = 1;
185
186 return ret;
187 }
188
189 unsigned long get_nameopt(void)
190 {
191 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
192 }
193
194 int dump_cert_text(BIO *out, X509 *x)
195 {
196 print_name(out, "subject=", X509_get_subject_name(x), get_nameopt());
197 BIO_puts(out, "\n");
198 print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt());
199 BIO_puts(out, "\n");
200
201 return 0;
202 }
203
204 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
205 {
206 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
207 }
208
209
210 static char *app_get_pass(const char *arg, int keepbio);
211
212 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
213 {
214 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
215
216 if (arg1 != NULL) {
217 *pass1 = app_get_pass(arg1, same);
218 if (*pass1 == NULL)
219 return 0;
220 } else if (pass1 != NULL) {
221 *pass1 = NULL;
222 }
223 if (arg2 != NULL) {
224 *pass2 = app_get_pass(arg2, same ? 2 : 0);
225 if (*pass2 == NULL)
226 return 0;
227 } else if (pass2 != NULL) {
228 *pass2 = NULL;
229 }
230 return 1;
231 }
232
233 static char *app_get_pass(const char *arg, int keepbio)
234 {
235 static BIO *pwdbio = NULL;
236 char *tmp, tpass[APP_PASS_LEN];
237 int i;
238
239 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
240 if (strncmp(arg, "pass:", 5) == 0)
241 return OPENSSL_strdup(arg + 5);
242 if (strncmp(arg, "env:", 4) == 0) {
243 tmp = getenv(arg + 4);
244 if (tmp == NULL) {
245 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
246 return NULL;
247 }
248 return OPENSSL_strdup(tmp);
249 }
250 if (!keepbio || pwdbio == NULL) {
251 if (strncmp(arg, "file:", 5) == 0) {
252 pwdbio = BIO_new_file(arg + 5, "r");
253 if (pwdbio == NULL) {
254 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
255 return NULL;
256 }
257 #if !defined(_WIN32)
258 /*
259 * Under _WIN32, which covers even Win64 and CE, file
260 * descriptors referenced by BIO_s_fd are not inherited
261 * by child process and therefore below is not an option.
262 * It could have been an option if bss_fd.c was operating
263 * on real Windows descriptors, such as those obtained
264 * with CreateFile.
265 */
266 } else if (strncmp(arg, "fd:", 3) == 0) {
267 BIO *btmp;
268 i = atoi(arg + 3);
269 if (i >= 0)
270 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
271 if ((i < 0) || !pwdbio) {
272 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
273 return NULL;
274 }
275 /*
276 * Can't do BIO_gets on an fd BIO so add a buffering BIO
277 */
278 btmp = BIO_new(BIO_f_buffer());
279 pwdbio = BIO_push(btmp, pwdbio);
280 #endif
281 } else if (strcmp(arg, "stdin") == 0) {
282 pwdbio = dup_bio_in(FORMAT_TEXT);
283 if (pwdbio == NULL) {
284 BIO_printf(bio_err, "Can't open BIO for stdin\n");
285 return NULL;
286 }
287 } else {
288 /* argument syntax error; do not reveal too much about arg */
289 tmp = strchr(arg, ':');
290 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
291 BIO_printf(bio_err,
292 "Invalid password argument, missing ':' within the first %d chars\n",
293 PASS_SOURCE_SIZE_MAX + 1);
294 else
295 BIO_printf(bio_err,
296 "Invalid password argument, starting with \"%.*s\"\n",
297 (int)(tmp - arg + 1), arg);
298 return NULL;
299 }
300 }
301 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
302 if (keepbio != 1) {
303 BIO_free_all(pwdbio);
304 pwdbio = NULL;
305 }
306 if (i <= 0) {
307 BIO_printf(bio_err, "Error reading password from BIO\n");
308 return NULL;
309 }
310 tmp = strchr(tpass, '\n');
311 if (tmp != NULL)
312 *tmp = 0;
313 return OPENSSL_strdup(tpass);
314 }
315
316 CONF *app_load_config_bio(BIO *in, const char *filename)
317 {
318 long errorline = -1;
319 CONF *conf;
320 int i;
321
322 conf = NCONF_new(NULL);
323 i = NCONF_load_bio(conf, in, &errorline);
324 if (i > 0)
325 return conf;
326
327 if (errorline <= 0) {
328 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
329 } else {
330 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
331 errorline);
332 }
333 if (filename != NULL)
334 BIO_printf(bio_err, "config file \"%s\"\n", filename);
335 else
336 BIO_printf(bio_err, "config input");
337
338 NCONF_free(conf);
339 return NULL;
340 }
341
342 CONF *app_load_config(const char *filename)
343 {
344 BIO *in;
345 CONF *conf;
346
347 in = bio_open_default(filename, 'r', FORMAT_TEXT);
348 if (in == NULL)
349 return NULL;
350
351 conf = app_load_config_bio(in, filename);
352 BIO_free(in);
353 return conf;
354 }
355
356 CONF *app_load_config_quiet(const char *filename)
357 {
358 BIO *in;
359 CONF *conf;
360
361 in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
362 if (in == NULL)
363 return NULL;
364
365 conf = app_load_config_bio(in, filename);
366 BIO_free(in);
367 return conf;
368 }
369
370 int app_load_modules(const CONF *config)
371 {
372 CONF *to_free = NULL;
373
374 if (config == NULL)
375 config = to_free = app_load_config_quiet(default_config_file);
376 if (config == NULL)
377 return 1;
378
379 if (CONF_modules_load(config, NULL, 0) <= 0) {
380 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
381 ERR_print_errors(bio_err);
382 NCONF_free(to_free);
383 return 0;
384 }
385 NCONF_free(to_free);
386 return 1;
387 }
388
389 int add_oid_section(CONF *conf)
390 {
391 char *p;
392 STACK_OF(CONF_VALUE) *sktmp;
393 CONF_VALUE *cnf;
394 int i;
395
396 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
397 ERR_clear_error();
398 return 1;
399 }
400 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
401 BIO_printf(bio_err, "problem loading oid section %s\n", p);
402 return 0;
403 }
404 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
405 cnf = sk_CONF_VALUE_value(sktmp, i);
406 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
407 BIO_printf(bio_err, "problem creating object %s=%s\n",
408 cnf->name, cnf->value);
409 return 0;
410 }
411 }
412 return 1;
413 }
414
415 static int load_pkcs12(BIO *in, const char *desc,
416 pem_password_cb *pem_cb, PW_CB_DATA *cb_data,
417 EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
418 {
419 const char *pass;
420 char tpass[PEM_BUFSIZE];
421 int len, ret = 0;
422 PKCS12 *p12;
423
424 p12 = d2i_PKCS12_bio(in, NULL);
425 if (p12 == NULL) {
426 if (desc != NULL)
427 BIO_printf(bio_err, "Error loading PKCS12 file for %s\n", desc);
428 else
429 BIO_printf(bio_err, "Error loading PKCS12 file\n");
430 goto die;
431 }
432 /* See if an empty password will do */
433 if (PKCS12_verify_mac(p12, "", 0) || PKCS12_verify_mac(p12, NULL, 0)) {
434 pass = "";
435 } else {
436 if (pem_cb == NULL)
437 pem_cb = (pem_password_cb *)password_callback;
438 len = pem_cb(tpass, PEM_BUFSIZE, 0, cb_data);
439 if (len < 0) {
440 BIO_printf(bio_err, "Passphrase callback error for %s\n",
441 desc != NULL ? desc : "PKCS12 input");
442 goto die;
443 }
444 if (len < PEM_BUFSIZE)
445 tpass[len] = 0;
446 if (!PKCS12_verify_mac(p12, tpass, len)) {
447 BIO_printf(bio_err,
448 "Mac verify error (wrong password?) in PKCS12 file for %s\n",
449 desc != NULL ? desc : "PKCS12 input");
450 goto die;
451 }
452 pass = tpass;
453 }
454 ret = PKCS12_parse(p12, pass, pkey, cert, ca);
455 die:
456 PKCS12_free(p12);
457 return ret;
458 }
459
460 X509 *load_cert(const char *file, int format, const char *desc)
461 {
462 X509 *x = NULL;
463 BIO *cert;
464
465 if (format == FORMAT_HTTP) {
466 #if !defined(OPENSSL_NO_SOCK)
467 x = X509_load_http(file, NULL, NULL, 0 /* timeout */);
468 #endif
469 return x;
470 }
471
472 if (file == NULL) {
473 unbuffer(stdin);
474 cert = dup_bio_in(format);
475 } else {
476 cert = bio_open_default(file, 'r', format);
477 }
478 if (cert == NULL)
479 goto end;
480
481 if (format == FORMAT_ASN1) {
482 x = d2i_X509_bio(cert, NULL);
483 } else if (format == FORMAT_PEM) {
484 x = PEM_read_bio_X509_AUX(cert, NULL,
485 (pem_password_cb *)password_callback, NULL);
486 } else if (format == FORMAT_PKCS12) {
487 if (!load_pkcs12(cert, desc, NULL, NULL, NULL, &x, NULL))
488 goto end;
489 } else {
490 print_format_error(format,
491 #if !defined(OPENSSL_NO_OCSP) && !defined(OPENSSL_NO_SOCK)
492 OPT_FMT_HTTP |
493 #endif
494 OPT_FMT_PEMDER | OPT_FMT_PKCS12);
495 }
496
497 end:
498 if (x == NULL && desc != NULL) {
499 BIO_printf(bio_err, "Unable to load %s\n", desc);
500 ERR_print_errors(bio_err);
501 }
502 BIO_free(cert);
503 return x;
504 }
505
506 X509_CRL *load_crl(const char *infile, int format, const char *desc)
507 {
508 X509_CRL *x = NULL;
509 BIO *in = NULL;
510
511 if (format == FORMAT_HTTP) {
512 #if !defined(OPENSSL_NO_SOCK)
513 x = X509_CRL_load_http(infile, NULL, NULL, 0 /* timeout */);
514 #endif
515 return x;
516 }
517
518 in = bio_open_default(infile, 'r', format);
519 if (in == NULL)
520 goto end;
521 if (format == FORMAT_ASN1) {
522 x = d2i_X509_CRL_bio(in, NULL);
523 } else if (format == FORMAT_PEM) {
524 x = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
525 } else
526 print_format_error(format, OPT_FMT_PEMDER);
527
528 end:
529 if (x == NULL && desc != NULL) {
530 BIO_printf(bio_err, "Unable to load %s\n", desc);
531 ERR_print_errors(bio_err);
532 }
533 BIO_free(in);
534 return x;
535 }
536
537 X509_REQ *load_csr(const char *file, int format, const char *desc)
538 {
539 X509_REQ *req = NULL;
540 BIO *in;
541
542 in = bio_open_default(file, 'r', format);
543 if (in == NULL)
544 goto end;
545
546 if (format == FORMAT_ASN1)
547 req = d2i_X509_REQ_bio(in, NULL);
548 else if (format == FORMAT_PEM)
549 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
550 else
551 print_format_error(format, OPT_FMT_PEMDER);
552
553 end:
554 if (req == NULL && desc != NULL) {
555 BIO_printf(bio_err, "Unable to load %s\n", desc);
556 ERR_print_errors(bio_err);
557 }
558 BIO_free(in);
559 return req;
560 }
561
562 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
563 const char *pass, ENGINE *e, const char *desc)
564 {
565 BIO *key = NULL;
566 EVP_PKEY *pkey = NULL;
567 PW_CB_DATA cb_data;
568
569 cb_data.password = pass;
570 cb_data.prompt_info = file;
571
572 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
573 BIO_printf(bio_err, "No keyfile specified\n");
574 goto end;
575 }
576 if (format == FORMAT_ENGINE) {
577 if (e == NULL) {
578 BIO_printf(bio_err, "No engine specified\n");
579 } else {
580 #ifndef OPENSSL_NO_ENGINE
581 if (ENGINE_init(e)) {
582 pkey = ENGINE_load_private_key(e, file,
583 (UI_METHOD *)get_ui_method(),
584 &cb_data);
585 ENGINE_finish(e);
586 }
587 if (pkey == NULL && desc != NULL) {
588 BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
589 ERR_print_errors(bio_err);
590 }
591 #else
592 BIO_printf(bio_err, "Engines not supported\n");
593 #endif
594 }
595 goto end;
596 }
597 if (file == NULL && maybe_stdin) {
598 unbuffer(stdin);
599 key = dup_bio_in(format);
600 } else {
601 key = bio_open_default(file, 'r', format);
602 }
603 if (key == NULL)
604 goto end;
605 if (format == FORMAT_ASN1) {
606 pkey = d2i_PrivateKey_bio(key, NULL);
607 } else if (format == FORMAT_PEM) {
608 pkey = PEM_read_bio_PrivateKey(key, NULL, wrap_password_callback, &cb_data);
609 } else if (format == FORMAT_PKCS12) {
610 if (!load_pkcs12(key, desc,
611 (pem_password_cb *)password_callback, &cb_data,
612 &pkey, NULL, NULL))
613 goto end;
614 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
615 } else if (format == FORMAT_MSBLOB) {
616 pkey = b2i_PrivateKey_bio(key);
617 } else if (format == FORMAT_PVK) {
618 pkey = b2i_PVK_bio(key, wrap_password_callback, &cb_data);
619 #endif
620 } else {
621 print_format_error(format, OPT_FMT_PEMDER | OPT_FMT_PKCS12
622 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA) && !defined (OPENSSL_NO_RC4)
623 | OPT_FMT_MSBLOB | FORMAT_PVK
624 #endif
625 #ifndef OPENSSL_NO_ENGINE
626 | OPT_FMT_ENGINE
627 #endif
628 );
629 }
630
631 end:
632 BIO_free(key);
633 if (pkey == NULL && desc != NULL) {
634 BIO_printf(bio_err, "Unable to load %s\n", desc);
635 ERR_print_errors(bio_err);
636 }
637 return pkey;
638 }
639
640 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
641 const char *pass, ENGINE *e, const char *desc)
642 {
643 BIO *key = NULL;
644 EVP_PKEY *pkey = NULL;
645 PW_CB_DATA cb_data;
646
647 cb_data.password = pass;
648 cb_data.prompt_info = file;
649
650 if (file == NULL && (!maybe_stdin || format == FORMAT_ENGINE)) {
651 BIO_printf(bio_err, "No keyfile specified\n");
652 goto end;
653 }
654 if (format == FORMAT_ENGINE) {
655 if (e == NULL) {
656 BIO_printf(bio_err, "No engine specified\n");
657 } else {
658 #ifndef OPENSSL_NO_ENGINE
659 pkey = ENGINE_load_public_key(e, file, (UI_METHOD *)get_ui_method(),
660 &cb_data);
661 if (pkey == NULL && desc != NULL) {
662 BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
663 ERR_print_errors(bio_err);
664 }
665 #else
666 BIO_printf(bio_err, "Engines not supported\n");
667 #endif
668 }
669 goto end;
670 }
671 if (file == NULL && maybe_stdin) {
672 unbuffer(stdin);
673 key = dup_bio_in(format);
674 } else {
675 key = bio_open_default(file, 'r', format);
676 }
677 if (key == NULL)
678 goto end;
679 if (format == FORMAT_ASN1) {
680 pkey = d2i_PUBKEY_bio(key, NULL);
681 } else if (format == FORMAT_ASN1RSA) {
682 #ifndef OPENSSL_NO_RSA
683 RSA *rsa;
684 rsa = d2i_RSAPublicKey_bio(key, NULL);
685 if (rsa) {
686 pkey = EVP_PKEY_new();
687 if (pkey != NULL)
688 EVP_PKEY_set1_RSA(pkey, rsa);
689 RSA_free(rsa);
690 } else
691 #else
692 BIO_printf(bio_err, "RSA keys not supported\n");
693 #endif
694 pkey = NULL;
695 } else if (format == FORMAT_PEMRSA) {
696 #ifndef OPENSSL_NO_RSA
697 RSA *rsa;
698 rsa = PEM_read_bio_RSAPublicKey(key, NULL,
699 (pem_password_cb *)password_callback,
700 &cb_data);
701 if (rsa != NULL) {
702 pkey = EVP_PKEY_new();
703 if (pkey != NULL)
704 EVP_PKEY_set1_RSA(pkey, rsa);
705 RSA_free(rsa);
706 } else
707 #else
708 BIO_printf(bio_err, "RSA keys not supported\n");
709 #endif
710 pkey = NULL;
711 } else if (format == FORMAT_PEM) {
712 pkey = PEM_read_bio_PUBKEY(key, NULL,
713 (pem_password_cb *)password_callback,
714 &cb_data);
715 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
716 } else if (format == FORMAT_MSBLOB) {
717 pkey = b2i_PublicKey_bio(key);
718 #endif
719 } else {
720 print_format_error(format, OPT_FMT_PEMDER
721 #if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_DSA)
722 | OPT_FMT_MSBLOB
723 #endif
724 );
725 }
726 end:
727 BIO_free(key);
728 if (pkey == NULL && desc != NULL) {
729 BIO_printf(bio_err, "Unable to load %s\n", desc);
730 ERR_print_errors(bio_err);
731 }
732 return pkey;
733 }
734
735 static int load_certs_crls(const char *file, int format,
736 const char *pass, const char *desc,
737 STACK_OF(X509) **pcerts,
738 STACK_OF(X509_CRL) **pcrls)
739 {
740 int i;
741 BIO *bio;
742 STACK_OF(X509_INFO) *xis = NULL;
743 X509_INFO *xi;
744 PW_CB_DATA cb_data;
745 int rv = 0;
746
747 cb_data.password = pass;
748 cb_data.prompt_info = file;
749
750 if (format != FORMAT_PEM) {
751 BIO_printf(bio_err, "Bad input format specified for %s\n", desc);
752 return 0;
753 }
754
755 bio = bio_open_default(file, 'r', FORMAT_PEM);
756 if (bio == NULL)
757 return 0;
758
759 xis = PEM_X509_INFO_read_bio(bio, NULL,
760 (pem_password_cb *)password_callback,
761 &cb_data);
762
763 BIO_free(bio);
764
765 if (pcerts != NULL && *pcerts == NULL) {
766 *pcerts = sk_X509_new_null();
767 if (*pcerts == NULL)
768 goto end;
769 }
770
771 if (pcrls != NULL && *pcrls == NULL) {
772 *pcrls = sk_X509_CRL_new_null();
773 if (*pcrls == NULL)
774 goto end;
775 }
776
777 for (i = 0; i < sk_X509_INFO_num(xis); i++) {
778 xi = sk_X509_INFO_value(xis, i);
779 if (xi->x509 != NULL && pcerts != NULL) {
780 if (!sk_X509_push(*pcerts, xi->x509))
781 goto end;
782 xi->x509 = NULL;
783 }
784 if (xi->crl != NULL && pcrls != NULL) {
785 if (!sk_X509_CRL_push(*pcrls, xi->crl))
786 goto end;
787 xi->crl = NULL;
788 }
789 }
790
791 if (pcerts != NULL && sk_X509_num(*pcerts) > 0)
792 rv = 1;
793
794 if (pcrls != NULL && sk_X509_CRL_num(*pcrls) > 0)
795 rv = 1;
796
797 end:
798
799 sk_X509_INFO_pop_free(xis, X509_INFO_free);
800
801 if (rv == 0) {
802 if (pcerts != NULL) {
803 sk_X509_pop_free(*pcerts, X509_free);
804 *pcerts = NULL;
805 }
806 if (pcrls != NULL) {
807 sk_X509_CRL_pop_free(*pcrls, X509_CRL_free);
808 *pcrls = NULL;
809 }
810 if (desc != NULL) {
811 BIO_printf(bio_err, "Unable to load %s for %s\n",
812 pcerts ? "certificates" : "CRLs", desc);
813 ERR_print_errors(bio_err);
814 }
815 }
816 return rv;
817 }
818
819 void* app_malloc(int sz, const char *what)
820 {
821 void *vp = OPENSSL_malloc(sz);
822
823 if (vp == NULL) {
824 BIO_printf(bio_err, "%s: Could not allocate %d bytes for %s\n",
825 opt_getprog(), sz, what);
826 ERR_print_errors(bio_err);
827 exit(1);
828 }
829 return vp;
830 }
831
832 /*
833 * Initialize or extend, if *certs != NULL, a certificate stack.
834 */
835 int load_certs(const char *file, STACK_OF(X509) **certs, int format,
836 const char *pass, const char *desc)
837 {
838 return load_certs_crls(file, format, pass, desc, certs, NULL);
839 }
840
841 /*
842 * Initialize or extend, if *crls != NULL, a certificate stack.
843 */
844 int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
845 const char *pass, const char *desc)
846 {
847 return load_certs_crls(file, format, pass, desc, NULL, crls);
848 }
849
850 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
851 /* Return error for unknown extensions */
852 #define X509V3_EXT_DEFAULT 0
853 /* Print error for unknown extensions */
854 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
855 /* ASN1 parse unknown extensions */
856 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
857 /* BIO_dump unknown extensions */
858 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
859
860 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
861 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
862
863 int set_cert_ex(unsigned long *flags, const char *arg)
864 {
865 static const NAME_EX_TBL cert_tbl[] = {
866 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
867 {"ca_default", X509_FLAG_CA, 0xffffffffl},
868 {"no_header", X509_FLAG_NO_HEADER, 0},
869 {"no_version", X509_FLAG_NO_VERSION, 0},
870 {"no_serial", X509_FLAG_NO_SERIAL, 0},
871 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
872 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
873 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
874 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
875 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
876 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
877 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
878 {"no_aux", X509_FLAG_NO_AUX, 0},
879 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
880 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
881 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
882 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
883 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
884 {NULL, 0, 0}
885 };
886 return set_multi_opts(flags, arg, cert_tbl);
887 }
888
889 int set_name_ex(unsigned long *flags, const char *arg)
890 {
891 static const NAME_EX_TBL ex_tbl[] = {
892 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
893 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
894 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
895 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
896 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
897 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
898 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
899 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
900 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
901 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
902 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
903 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
904 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
905 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
906 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
907 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
908 {"dn_rev", XN_FLAG_DN_REV, 0},
909 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
910 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
911 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
912 {"align", XN_FLAG_FN_ALIGN, 0},
913 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
914 {"space_eq", XN_FLAG_SPC_EQ, 0},
915 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
916 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
917 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
918 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
919 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
920 {NULL, 0, 0}
921 };
922 if (set_multi_opts(flags, arg, ex_tbl) == 0)
923 return 0;
924 if (*flags != XN_FLAG_COMPAT
925 && (*flags & XN_FLAG_SEP_MASK) == 0)
926 *flags |= XN_FLAG_SEP_CPLUS_SPC;
927 return 1;
928 }
929
930 int set_ext_copy(int *copy_type, const char *arg)
931 {
932 if (strcasecmp(arg, "none") == 0)
933 *copy_type = EXT_COPY_NONE;
934 else if (strcasecmp(arg, "copy") == 0)
935 *copy_type = EXT_COPY_ADD;
936 else if (strcasecmp(arg, "copyall") == 0)
937 *copy_type = EXT_COPY_ALL;
938 else
939 return 0;
940 return 1;
941 }
942
943 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
944 {
945 STACK_OF(X509_EXTENSION) *exts = NULL;
946 X509_EXTENSION *ext, *tmpext;
947 ASN1_OBJECT *obj;
948 int i, idx, ret = 0;
949 if (!x || !req || (copy_type == EXT_COPY_NONE))
950 return 1;
951 exts = X509_REQ_get_extensions(req);
952
953 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
954 ext = sk_X509_EXTENSION_value(exts, i);
955 obj = X509_EXTENSION_get_object(ext);
956 idx = X509_get_ext_by_OBJ(x, obj, -1);
957 /* Does extension exist? */
958 if (idx != -1) {
959 /* If normal copy don't override existing extension */
960 if (copy_type == EXT_COPY_ADD)
961 continue;
962 /* Delete all extensions of same type */
963 do {
964 tmpext = X509_get_ext(x, idx);
965 X509_delete_ext(x, idx);
966 X509_EXTENSION_free(tmpext);
967 idx = X509_get_ext_by_OBJ(x, obj, -1);
968 } while (idx != -1);
969 }
970 if (!X509_add_ext(x, ext, -1))
971 goto end;
972 }
973
974 ret = 1;
975
976 end:
977
978 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
979
980 return ret;
981 }
982
983 static int set_multi_opts(unsigned long *flags, const char *arg,
984 const NAME_EX_TBL * in_tbl)
985 {
986 STACK_OF(CONF_VALUE) *vals;
987 CONF_VALUE *val;
988 int i, ret = 1;
989 if (!arg)
990 return 0;
991 vals = X509V3_parse_list(arg);
992 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
993 val = sk_CONF_VALUE_value(vals, i);
994 if (!set_table_opts(flags, val->name, in_tbl))
995 ret = 0;
996 }
997 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
998 return ret;
999 }
1000
1001 static int set_table_opts(unsigned long *flags, const char *arg,
1002 const NAME_EX_TBL * in_tbl)
1003 {
1004 char c;
1005 const NAME_EX_TBL *ptbl;
1006 c = arg[0];
1007
1008 if (c == '-') {
1009 c = 0;
1010 arg++;
1011 } else if (c == '+') {
1012 c = 1;
1013 arg++;
1014 } else {
1015 c = 1;
1016 }
1017
1018 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1019 if (strcasecmp(arg, ptbl->name) == 0) {
1020 *flags &= ~ptbl->mask;
1021 if (c)
1022 *flags |= ptbl->flag;
1023 else
1024 *flags &= ~ptbl->flag;
1025 return 1;
1026 }
1027 }
1028 return 0;
1029 }
1030
1031 void print_name(BIO *out, const char *title, const X509_NAME *nm,
1032 unsigned long lflags)
1033 {
1034 char *buf;
1035 char mline = 0;
1036 int indent = 0;
1037
1038 if (title)
1039 BIO_puts(out, title);
1040 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1041 mline = 1;
1042 indent = 4;
1043 }
1044 if (lflags == XN_FLAG_COMPAT) {
1045 buf = X509_NAME_oneline(nm, 0, 0);
1046 BIO_puts(out, buf);
1047 BIO_puts(out, "\n");
1048 OPENSSL_free(buf);
1049 } else {
1050 if (mline)
1051 BIO_puts(out, "\n");
1052 X509_NAME_print_ex(out, nm, indent, lflags);
1053 BIO_puts(out, "\n");
1054 }
1055 }
1056
1057 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1058 int len, unsigned char *buffer)
1059 {
1060 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1061 if (BN_is_zero(in)) {
1062 BIO_printf(out, "\n 0x00");
1063 } else {
1064 int i, l;
1065
1066 l = BN_bn2bin(in, buffer);
1067 for (i = 0; i < l; i++) {
1068 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1069 if (i < l - 1)
1070 BIO_printf(out, "0x%02X,", buffer[i]);
1071 else
1072 BIO_printf(out, "0x%02X", buffer[i]);
1073 }
1074 }
1075 BIO_printf(out, "\n };\n");
1076 }
1077
1078 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1079 {
1080 int i;
1081
1082 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1083 for (i = 0; i < len; i++) {
1084 if ((i % 10) == 0)
1085 BIO_printf(out, "\n ");
1086 if (i < len - 1)
1087 BIO_printf(out, "0x%02X, ", d[i]);
1088 else
1089 BIO_printf(out, "0x%02X", d[i]);
1090 }
1091 BIO_printf(out, "\n};\n");
1092 }
1093
1094 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1095 const char *CApath, int noCApath,
1096 const char *CAstore, int noCAstore)
1097 {
1098 X509_STORE *store = X509_STORE_new();
1099 X509_LOOKUP *lookup;
1100
1101 if (store == NULL)
1102 goto end;
1103
1104 if (CAfile != NULL || !noCAfile) {
1105 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1106 if (lookup == NULL)
1107 goto end;
1108 if (CAfile != NULL) {
1109 if (!X509_LOOKUP_load_file(lookup, CAfile, X509_FILETYPE_PEM)) {
1110 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1111 goto end;
1112 }
1113 } else {
1114 X509_LOOKUP_load_file(lookup, NULL, X509_FILETYPE_DEFAULT);
1115 }
1116 }
1117
1118 if (CApath != NULL || !noCApath) {
1119 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1120 if (lookup == NULL)
1121 goto end;
1122 if (CApath != NULL) {
1123 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1124 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1125 goto end;
1126 }
1127 } else {
1128 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1129 }
1130 }
1131
1132 if (CAstore != NULL || !noCAstore) {
1133 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1134 if (lookup == NULL)
1135 goto end;
1136 if (!X509_LOOKUP_add_store(lookup, CAstore)) {
1137 if (CAstore != NULL)
1138 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1139 goto end;
1140 }
1141 }
1142
1143 ERR_clear_error();
1144 return store;
1145 end:
1146 ERR_print_errors(bio_err);
1147 X509_STORE_free(store);
1148 return NULL;
1149 }
1150
1151 #ifndef OPENSSL_NO_ENGINE
1152 /* Try to load an engine in a shareable library */
1153 static ENGINE *try_load_engine(const char *engine)
1154 {
1155 ENGINE *e = ENGINE_by_id("dynamic");
1156 if (e) {
1157 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1158 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1159 ENGINE_free(e);
1160 e = NULL;
1161 }
1162 }
1163 return e;
1164 }
1165 #endif
1166
1167 ENGINE *setup_engine(const char *engine, int debug)
1168 {
1169 ENGINE *e = NULL;
1170
1171 #ifndef OPENSSL_NO_ENGINE
1172 if (engine != NULL) {
1173 if (strcmp(engine, "auto") == 0) {
1174 BIO_printf(bio_err, "Enabling auto ENGINE support\n");
1175 ENGINE_register_all_complete();
1176 return NULL;
1177 }
1178 if ((e = ENGINE_by_id(engine)) == NULL
1179 && (e = try_load_engine(engine)) == NULL) {
1180 BIO_printf(bio_err, "Invalid engine \"%s\"\n", engine);
1181 ERR_print_errors(bio_err);
1182 return NULL;
1183 }
1184 if (debug) {
1185 ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1186 }
1187 ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0, (void *)get_ui_method(),
1188 0, 1);
1189 if (!ENGINE_set_default(e, ENGINE_METHOD_ALL)) {
1190 BIO_printf(bio_err, "Cannot use engine \"%s\"\n", ENGINE_get_id(e));
1191 ERR_print_errors(bio_err);
1192 ENGINE_free(e);
1193 return NULL;
1194 }
1195
1196 BIO_printf(bio_err, "Engine \"%s\" set.\n", ENGINE_get_id(e));
1197 }
1198 #endif
1199 return e;
1200 }
1201
1202 void release_engine(ENGINE *e)
1203 {
1204 #ifndef OPENSSL_NO_ENGINE
1205 if (e != NULL)
1206 /* Free our "structural" reference. */
1207 ENGINE_free(e);
1208 #endif
1209 }
1210
1211 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1212 {
1213 const char *n;
1214
1215 n = a[DB_serial];
1216 while (*n == '0')
1217 n++;
1218 return OPENSSL_LH_strhash(n);
1219 }
1220
1221 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1222 const OPENSSL_CSTRING *b)
1223 {
1224 const char *aa, *bb;
1225
1226 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1227 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1228 return strcmp(aa, bb);
1229 }
1230
1231 static int index_name_qual(char **a)
1232 {
1233 return (a[0][0] == 'V');
1234 }
1235
1236 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1237 {
1238 return OPENSSL_LH_strhash(a[DB_name]);
1239 }
1240
1241 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1242 {
1243 return strcmp(a[DB_name], b[DB_name]);
1244 }
1245
1246 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1247 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1248 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1249 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1250 #undef BSIZE
1251 #define BSIZE 256
1252 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1253 {
1254 BIO *in = NULL;
1255 BIGNUM *ret = NULL;
1256 char buf[1024];
1257 ASN1_INTEGER *ai = NULL;
1258
1259 ai = ASN1_INTEGER_new();
1260 if (ai == NULL)
1261 goto err;
1262
1263 in = BIO_new_file(serialfile, "r");
1264 if (in == NULL) {
1265 if (!create) {
1266 perror(serialfile);
1267 goto err;
1268 }
1269 ERR_clear_error();
1270 ret = BN_new();
1271 if (ret == NULL || !rand_serial(ret, ai))
1272 BIO_printf(bio_err, "Out of memory\n");
1273 } else {
1274 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1275 BIO_printf(bio_err, "Unable to load number from %s\n",
1276 serialfile);
1277 goto err;
1278 }
1279 ret = ASN1_INTEGER_to_BN(ai, NULL);
1280 if (ret == NULL) {
1281 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1282 goto err;
1283 }
1284 }
1285
1286 if (ret && retai) {
1287 *retai = ai;
1288 ai = NULL;
1289 }
1290 err:
1291 ERR_print_errors(bio_err);
1292 BIO_free(in);
1293 ASN1_INTEGER_free(ai);
1294 return ret;
1295 }
1296
1297 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1298 ASN1_INTEGER **retai)
1299 {
1300 char buf[1][BSIZE];
1301 BIO *out = NULL;
1302 int ret = 0;
1303 ASN1_INTEGER *ai = NULL;
1304 int j;
1305
1306 if (suffix == NULL)
1307 j = strlen(serialfile);
1308 else
1309 j = strlen(serialfile) + strlen(suffix) + 1;
1310 if (j >= BSIZE) {
1311 BIO_printf(bio_err, "File name too long\n");
1312 goto err;
1313 }
1314
1315 if (suffix == NULL)
1316 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1317 else {
1318 #ifndef OPENSSL_SYS_VMS
1319 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1320 #else
1321 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1322 #endif
1323 }
1324 out = BIO_new_file(buf[0], "w");
1325 if (out == NULL) {
1326 goto err;
1327 }
1328
1329 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1330 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1331 goto err;
1332 }
1333 i2a_ASN1_INTEGER(out, ai);
1334 BIO_puts(out, "\n");
1335 ret = 1;
1336 if (retai) {
1337 *retai = ai;
1338 ai = NULL;
1339 }
1340 err:
1341 if (!ret)
1342 ERR_print_errors(bio_err);
1343 BIO_free_all(out);
1344 ASN1_INTEGER_free(ai);
1345 return ret;
1346 }
1347
1348 int rotate_serial(const char *serialfile, const char *new_suffix,
1349 const char *old_suffix)
1350 {
1351 char buf[2][BSIZE];
1352 int i, j;
1353
1354 i = strlen(serialfile) + strlen(old_suffix);
1355 j = strlen(serialfile) + strlen(new_suffix);
1356 if (i > j)
1357 j = i;
1358 if (j + 1 >= BSIZE) {
1359 BIO_printf(bio_err, "File name too long\n");
1360 goto err;
1361 }
1362 #ifndef OPENSSL_SYS_VMS
1363 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1364 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1365 #else
1366 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1367 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1368 #endif
1369 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1370 #ifdef ENOTDIR
1371 && errno != ENOTDIR
1372 #endif
1373 ) {
1374 BIO_printf(bio_err,
1375 "Unable to rename %s to %s\n", serialfile, buf[1]);
1376 perror("reason");
1377 goto err;
1378 }
1379 if (rename(buf[0], serialfile) < 0) {
1380 BIO_printf(bio_err,
1381 "Unable to rename %s to %s\n", buf[0], serialfile);
1382 perror("reason");
1383 rename(buf[1], serialfile);
1384 goto err;
1385 }
1386 return 1;
1387 err:
1388 ERR_print_errors(bio_err);
1389 return 0;
1390 }
1391
1392 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1393 {
1394 BIGNUM *btmp;
1395 int ret = 0;
1396
1397 btmp = b == NULL ? BN_new() : b;
1398 if (btmp == NULL)
1399 return 0;
1400
1401 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1402 goto error;
1403 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1404 goto error;
1405
1406 ret = 1;
1407
1408 error:
1409
1410 if (btmp != b)
1411 BN_free(btmp);
1412
1413 return ret;
1414 }
1415
1416 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1417 {
1418 CA_DB *retdb = NULL;
1419 TXT_DB *tmpdb = NULL;
1420 BIO *in;
1421 CONF *dbattr_conf = NULL;
1422 char buf[BSIZE];
1423 #ifndef OPENSSL_NO_POSIX_IO
1424 FILE *dbfp;
1425 struct stat dbst;
1426 #endif
1427
1428 in = BIO_new_file(dbfile, "r");
1429 if (in == NULL)
1430 goto err;
1431
1432 #ifndef OPENSSL_NO_POSIX_IO
1433 BIO_get_fp(in, &dbfp);
1434 if (fstat(fileno(dbfp), &dbst) == -1) {
1435 ERR_raise_data(ERR_LIB_SYS, errno,
1436 "calling fstat(%s)", dbfile);
1437 goto err;
1438 }
1439 #endif
1440
1441 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1442 goto err;
1443
1444 #ifndef OPENSSL_SYS_VMS
1445 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1446 #else
1447 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1448 #endif
1449 dbattr_conf = app_load_config_quiet(buf);
1450
1451 retdb = app_malloc(sizeof(*retdb), "new DB");
1452 retdb->db = tmpdb;
1453 tmpdb = NULL;
1454 if (db_attr)
1455 retdb->attributes = *db_attr;
1456 else {
1457 retdb->attributes.unique_subject = 1;
1458 }
1459
1460 if (dbattr_conf) {
1461 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1462 if (p) {
1463 retdb->attributes.unique_subject = parse_yesno(p, 1);
1464 }
1465 }
1466
1467 retdb->dbfname = OPENSSL_strdup(dbfile);
1468 #ifndef OPENSSL_NO_POSIX_IO
1469 retdb->dbst = dbst;
1470 #endif
1471
1472 err:
1473 ERR_print_errors(bio_err);
1474 NCONF_free(dbattr_conf);
1475 TXT_DB_free(tmpdb);
1476 BIO_free_all(in);
1477 return retdb;
1478 }
1479
1480 /*
1481 * Returns > 0 on success, <= 0 on error
1482 */
1483 int index_index(CA_DB *db)
1484 {
1485 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1486 LHASH_HASH_FN(index_serial),
1487 LHASH_COMP_FN(index_serial))) {
1488 BIO_printf(bio_err,
1489 "Error creating serial number index:(%ld,%ld,%ld)\n",
1490 db->db->error, db->db->arg1, db->db->arg2);
1491 goto err;
1492 }
1493
1494 if (db->attributes.unique_subject
1495 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1496 LHASH_HASH_FN(index_name),
1497 LHASH_COMP_FN(index_name))) {
1498 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1499 db->db->error, db->db->arg1, db->db->arg2);
1500 goto err;
1501 }
1502 return 1;
1503 err:
1504 ERR_print_errors(bio_err);
1505 return 0;
1506 }
1507
1508 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1509 {
1510 char buf[3][BSIZE];
1511 BIO *out;
1512 int j;
1513
1514 j = strlen(dbfile) + strlen(suffix);
1515 if (j + 6 >= BSIZE) {
1516 BIO_printf(bio_err, "File name too long\n");
1517 goto err;
1518 }
1519 #ifndef OPENSSL_SYS_VMS
1520 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1521 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1522 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1523 #else
1524 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1525 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1526 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1527 #endif
1528 out = BIO_new_file(buf[0], "w");
1529 if (out == NULL) {
1530 perror(dbfile);
1531 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1532 goto err;
1533 }
1534 j = TXT_DB_write(out, db->db);
1535 BIO_free(out);
1536 if (j <= 0)
1537 goto err;
1538
1539 out = BIO_new_file(buf[1], "w");
1540 if (out == NULL) {
1541 perror(buf[2]);
1542 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1543 goto err;
1544 }
1545 BIO_printf(out, "unique_subject = %s\n",
1546 db->attributes.unique_subject ? "yes" : "no");
1547 BIO_free(out);
1548
1549 return 1;
1550 err:
1551 ERR_print_errors(bio_err);
1552 return 0;
1553 }
1554
1555 int rotate_index(const char *dbfile, const char *new_suffix,
1556 const char *old_suffix)
1557 {
1558 char buf[5][BSIZE];
1559 int i, j;
1560
1561 i = strlen(dbfile) + strlen(old_suffix);
1562 j = strlen(dbfile) + strlen(new_suffix);
1563 if (i > j)
1564 j = i;
1565 if (j + 6 >= BSIZE) {
1566 BIO_printf(bio_err, "File name too long\n");
1567 goto err;
1568 }
1569 #ifndef OPENSSL_SYS_VMS
1570 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1571 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1572 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1573 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1574 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1575 #else
1576 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1577 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1578 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1579 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1580 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1581 #endif
1582 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1583 #ifdef ENOTDIR
1584 && errno != ENOTDIR
1585 #endif
1586 ) {
1587 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1588 perror("reason");
1589 goto err;
1590 }
1591 if (rename(buf[0], dbfile) < 0) {
1592 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1593 perror("reason");
1594 rename(buf[1], dbfile);
1595 goto err;
1596 }
1597 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1598 #ifdef ENOTDIR
1599 && errno != ENOTDIR
1600 #endif
1601 ) {
1602 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1603 perror("reason");
1604 rename(dbfile, buf[0]);
1605 rename(buf[1], dbfile);
1606 goto err;
1607 }
1608 if (rename(buf[2], buf[4]) < 0) {
1609 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1610 perror("reason");
1611 rename(buf[3], buf[4]);
1612 rename(dbfile, buf[0]);
1613 rename(buf[1], dbfile);
1614 goto err;
1615 }
1616 return 1;
1617 err:
1618 ERR_print_errors(bio_err);
1619 return 0;
1620 }
1621
1622 void free_index(CA_DB *db)
1623 {
1624 if (db) {
1625 TXT_DB_free(db->db);
1626 OPENSSL_free(db->dbfname);
1627 OPENSSL_free(db);
1628 }
1629 }
1630
1631 int parse_yesno(const char *str, int def)
1632 {
1633 if (str) {
1634 switch (*str) {
1635 case 'f': /* false */
1636 case 'F': /* FALSE */
1637 case 'n': /* no */
1638 case 'N': /* NO */
1639 case '0': /* 0 */
1640 return 0;
1641 case 't': /* true */
1642 case 'T': /* TRUE */
1643 case 'y': /* yes */
1644 case 'Y': /* YES */
1645 case '1': /* 1 */
1646 return 1;
1647 }
1648 }
1649 return def;
1650 }
1651
1652 /*
1653 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1654 * where characters may be escaped by \
1655 */
1656 X509_NAME *parse_name(const char *cp, long chtype, int canmulti)
1657 {
1658 int nextismulti = 0;
1659 char *work;
1660 X509_NAME *n;
1661
1662 if (*cp++ != '/') {
1663 BIO_printf(bio_err,
1664 "name is expected to be in the format "
1665 "/type0=value0/type1=value1/type2=... where characters may "
1666 "be escaped by \\. This name is not in that format: '%s'\n",
1667 --cp);
1668 return NULL;
1669 }
1670
1671 n = X509_NAME_new();
1672 if (n == NULL)
1673 return NULL;
1674 work = OPENSSL_strdup(cp);
1675 if (work == NULL) {
1676 BIO_printf(bio_err, "%s: Error copying name input\n", opt_getprog());
1677 goto err;
1678 }
1679
1680 while (*cp) {
1681 char *bp = work;
1682 char *typestr = bp;
1683 unsigned char *valstr;
1684 int nid;
1685 int ismulti = nextismulti;
1686 nextismulti = 0;
1687
1688 /* Collect the type */
1689 while (*cp && *cp != '=')
1690 *bp++ = *cp++;
1691 if (*cp == '\0') {
1692 BIO_printf(bio_err,
1693 "%s: Hit end of string before finding the '='\n",
1694 opt_getprog());
1695 goto err;
1696 }
1697 *bp++ = '\0';
1698 ++cp;
1699
1700 /* Collect the value. */
1701 valstr = (unsigned char *)bp;
1702 for (; *cp && *cp != '/'; *bp++ = *cp++) {
1703 if (canmulti && *cp == '+') {
1704 nextismulti = 1;
1705 break;
1706 }
1707 if (*cp == '\\' && *++cp == '\0') {
1708 BIO_printf(bio_err,
1709 "%s: Escape character at end of string\n",
1710 opt_getprog());
1711 goto err;
1712 }
1713 }
1714 *bp++ = '\0';
1715
1716 /* If not at EOS (must be + or /), move forward. */
1717 if (*cp)
1718 ++cp;
1719
1720 /* Parse */
1721 nid = OBJ_txt2nid(typestr);
1722 if (nid == NID_undef) {
1723 BIO_printf(bio_err, "%s: Skipping unknown attribute \"%s\"\n",
1724 opt_getprog(), typestr);
1725 continue;
1726 }
1727 if (*valstr == '\0') {
1728 BIO_printf(bio_err,
1729 "%s: No value provided for Subject Attribute %s, skipped\n",
1730 opt_getprog(), typestr);
1731 continue;
1732 }
1733 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1734 valstr, strlen((char *)valstr),
1735 -1, ismulti ? -1 : 0)) {
1736 BIO_printf(bio_err, "%s: Error adding name attribute \"/%s=%s\"\n",
1737 opt_getprog(), typestr ,valstr);
1738 goto err;
1739 }
1740 }
1741
1742 OPENSSL_free(work);
1743 return n;
1744
1745 err:
1746 X509_NAME_free(n);
1747 OPENSSL_free(work);
1748 return NULL;
1749 }
1750
1751 /*
1752 * Read whole contents of a BIO into an allocated memory buffer and return
1753 * it.
1754 */
1755
1756 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1757 {
1758 BIO *mem;
1759 int len, ret;
1760 unsigned char tbuf[1024];
1761
1762 mem = BIO_new(BIO_s_mem());
1763 if (mem == NULL)
1764 return -1;
1765 for (;;) {
1766 if ((maxlen != -1) && maxlen < 1024)
1767 len = maxlen;
1768 else
1769 len = 1024;
1770 len = BIO_read(in, tbuf, len);
1771 if (len < 0) {
1772 BIO_free(mem);
1773 return -1;
1774 }
1775 if (len == 0)
1776 break;
1777 if (BIO_write(mem, tbuf, len) != len) {
1778 BIO_free(mem);
1779 return -1;
1780 }
1781 maxlen -= len;
1782
1783 if (maxlen == 0)
1784 break;
1785 }
1786 ret = BIO_get_mem_data(mem, (char **)out);
1787 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1788 BIO_free(mem);
1789 return ret;
1790 }
1791
1792 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1793 {
1794 int rv;
1795 char *stmp, *vtmp = NULL;
1796 stmp = OPENSSL_strdup(value);
1797 if (!stmp)
1798 return -1;
1799 vtmp = strchr(stmp, ':');
1800 if (vtmp) {
1801 *vtmp = 0;
1802 vtmp++;
1803 }
1804 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1805 OPENSSL_free(stmp);
1806 return rv;
1807 }
1808
1809 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1810 {
1811 X509_POLICY_NODE *node;
1812 int i;
1813
1814 BIO_printf(bio_err, "%s Policies:", name);
1815 if (nodes) {
1816 BIO_puts(bio_err, "\n");
1817 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1818 node = sk_X509_POLICY_NODE_value(nodes, i);
1819 X509_POLICY_NODE_print(bio_err, node, 2);
1820 }
1821 } else {
1822 BIO_puts(bio_err, " <empty>\n");
1823 }
1824 }
1825
1826 void policies_print(X509_STORE_CTX *ctx)
1827 {
1828 X509_POLICY_TREE *tree;
1829 int explicit_policy;
1830 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1831 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1832
1833 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1834 explicit_policy ? "True" : "False");
1835
1836 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1837 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1838 }
1839
1840 /*-
1841 * next_protos_parse parses a comma separated list of strings into a string
1842 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1843 * outlen: (output) set to the length of the resulting buffer on success.
1844 * err: (maybe NULL) on failure, an error message line is written to this BIO.
1845 * in: a NUL terminated string like "abc,def,ghi"
1846 *
1847 * returns: a malloc'd buffer or NULL on failure.
1848 */
1849 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1850 {
1851 size_t len;
1852 unsigned char *out;
1853 size_t i, start = 0;
1854 size_t skipped = 0;
1855
1856 len = strlen(in);
1857 if (len == 0 || len >= 65535)
1858 return NULL;
1859
1860 out = app_malloc(len + 1, "NPN buffer");
1861 for (i = 0; i <= len; ++i) {
1862 if (i == len || in[i] == ',') {
1863 /*
1864 * Zero-length ALPN elements are invalid on the wire, we could be
1865 * strict and reject the entire string, but just ignoring extra
1866 * commas seems harmless and more friendly.
1867 *
1868 * Every comma we skip in this way puts the input buffer another
1869 * byte ahead of the output buffer, so all stores into the output
1870 * buffer need to be decremented by the number commas skipped.
1871 */
1872 if (i == start) {
1873 ++start;
1874 ++skipped;
1875 continue;
1876 }
1877 if (i - start > 255) {
1878 OPENSSL_free(out);
1879 return NULL;
1880 }
1881 out[start-skipped] = (unsigned char)(i - start);
1882 start = i + 1;
1883 } else {
1884 out[i + 1 - skipped] = in[i];
1885 }
1886 }
1887
1888 if (len <= skipped) {
1889 OPENSSL_free(out);
1890 return NULL;
1891 }
1892
1893 *outlen = len + 1 - skipped;
1894 return out;
1895 }
1896
1897 void print_cert_checks(BIO *bio, X509 *x,
1898 const char *checkhost,
1899 const char *checkemail, const char *checkip)
1900 {
1901 if (x == NULL)
1902 return;
1903 if (checkhost) {
1904 BIO_printf(bio, "Hostname %s does%s match certificate\n",
1905 checkhost,
1906 X509_check_host(x, checkhost, 0, 0, NULL) == 1
1907 ? "" : " NOT");
1908 }
1909
1910 if (checkemail) {
1911 BIO_printf(bio, "Email %s does%s match certificate\n",
1912 checkemail, X509_check_email(x, checkemail, 0, 0)
1913 ? "" : " NOT");
1914 }
1915
1916 if (checkip) {
1917 BIO_printf(bio, "IP %s does%s match certificate\n",
1918 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
1919 }
1920 }
1921
1922 /* Get first http URL from a DIST_POINT structure */
1923
1924 static const char *get_dp_url(DIST_POINT *dp)
1925 {
1926 GENERAL_NAMES *gens;
1927 GENERAL_NAME *gen;
1928 int i, gtype;
1929 ASN1_STRING *uri;
1930 if (!dp->distpoint || dp->distpoint->type != 0)
1931 return NULL;
1932 gens = dp->distpoint->name.fullname;
1933 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
1934 gen = sk_GENERAL_NAME_value(gens, i);
1935 uri = GENERAL_NAME_get0_value(gen, &gtype);
1936 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
1937 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
1938 if (strncmp(uptr, "http://", 7) == 0)
1939 return uptr;
1940 }
1941 }
1942 return NULL;
1943 }
1944
1945 /*
1946 * Look through a CRLDP structure and attempt to find an http URL to
1947 * downloads a CRL from.
1948 */
1949
1950 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
1951 {
1952 int i;
1953 const char *urlptr = NULL;
1954 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
1955 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
1956 urlptr = get_dp_url(dp);
1957 if (urlptr)
1958 return load_crl(urlptr, FORMAT_HTTP, "CRL via CDP");
1959 }
1960 return NULL;
1961 }
1962
1963 /*
1964 * Example of downloading CRLs from CRLDP:
1965 * not usable for real world as it always downloads and doesn't cache anything.
1966 */
1967
1968 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
1969 const X509_NAME *nm)
1970 {
1971 X509 *x;
1972 STACK_OF(X509_CRL) *crls = NULL;
1973 X509_CRL *crl;
1974 STACK_OF(DIST_POINT) *crldp;
1975
1976 crls = sk_X509_CRL_new_null();
1977 if (!crls)
1978 return NULL;
1979 x = X509_STORE_CTX_get_current_cert(ctx);
1980 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
1981 crl = load_crl_crldp(crldp);
1982 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
1983 if (!crl) {
1984 sk_X509_CRL_free(crls);
1985 return NULL;
1986 }
1987 sk_X509_CRL_push(crls, crl);
1988 /* Try to download delta CRL */
1989 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
1990 crl = load_crl_crldp(crldp);
1991 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
1992 if (crl)
1993 sk_X509_CRL_push(crls, crl);
1994 return crls;
1995 }
1996
1997 void store_setup_crl_download(X509_STORE *st)
1998 {
1999 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2000 }
2001
2002 #ifndef OPENSSL_NO_SOCK
2003 static const char *tls_error_hint(void)
2004 {
2005 unsigned long err = ERR_peek_error();
2006
2007 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2008 err = ERR_peek_last_error();
2009 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2010 return NULL;
2011
2012 switch (ERR_GET_REASON(err)) {
2013 case SSL_R_WRONG_VERSION_NUMBER:
2014 return "The server does not support (a suitable version of) TLS";
2015 case SSL_R_UNKNOWN_PROTOCOL:
2016 return "The server does not support HTTPS";
2017 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2018 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2019 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2020 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2021 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2022 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2023 default: /* no error or no hint available for error */
2024 return NULL;
2025 }
2026 }
2027
2028 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2029 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2030 {
2031 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2032 SSL_CTX *ssl_ctx = info->ssl_ctx;
2033 SSL *ssl;
2034 BIO *sbio = NULL;
2035
2036 if (connect && detail) { /* connecting with TLS */
2037 if ((info->use_proxy
2038 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2039 NULL, NULL, /* no proxy credentials */
2040 info->timeout, bio_err, opt_getprog()))
2041 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2042 return NULL;
2043 }
2044 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2045 BIO_free(sbio);
2046 return NULL;
2047 }
2048
2049 SSL_set_tlsext_host_name(ssl, info->server);
2050
2051 SSL_set_connect_state(ssl);
2052 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2053
2054 hbio = BIO_push(sbio, hbio);
2055 } else if (!connect && !detail) { /* disconnecting after error */
2056 const char *hint = tls_error_hint();
2057 if (hint != NULL)
2058 ERR_add_error_data(2, " : ", hint);
2059 /*
2060 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2061 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2062 */
2063 }
2064 return hbio;
2065 }
2066
2067 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2068 const char *no_proxy, SSL_CTX *ssl_ctx,
2069 const STACK_OF(CONF_VALUE) *headers,
2070 long timeout, const char *expected_content_type,
2071 const ASN1_ITEM *it)
2072 {
2073 APP_HTTP_TLS_INFO info;
2074 char *server;
2075 char *port;
2076 int use_ssl;
2077 ASN1_VALUE *resp = NULL;
2078
2079 if (url == NULL || it == NULL) {
2080 HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
2081 return NULL;
2082 }
2083
2084 if (!OSSL_HTTP_parse_url(url, &server, &port, NULL /* ppath */, &use_ssl))
2085 return NULL;
2086 if (use_ssl && ssl_ctx == NULL) {
2087 HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
2088 ERR_add_error_data(1, "missing SSL_CTX");
2089 goto end;
2090 }
2091
2092 info.server = server;
2093 info.port = port;
2094 info.use_proxy = proxy != NULL;
2095 info.timeout = timeout;
2096 info.ssl_ctx = ssl_ctx;
2097 resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
2098 NULL, NULL, app_http_tls_cb, &info,
2099 headers, 0 /* maxline */, 0 /* max_resp_len */,
2100 timeout, expected_content_type, it);
2101 end:
2102 OPENSSL_free(server);
2103 OPENSSL_free(port);
2104 return resp;
2105
2106 }
2107
2108 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2109 const char *path, const char *proxy,
2110 const char *no_proxy, SSL_CTX *ssl_ctx,
2111 const STACK_OF(CONF_VALUE) *headers,
2112 const char *content_type,
2113 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2114 long timeout, const ASN1_ITEM *rsp_it)
2115 {
2116 APP_HTTP_TLS_INFO info;
2117
2118 info.server = host;
2119 info.port = port;
2120 info.use_proxy = proxy != NULL;
2121 info.timeout = timeout;
2122 info.ssl_ctx = ssl_ctx;
2123 return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
2124 proxy, no_proxy,
2125 NULL, NULL, app_http_tls_cb, &info,
2126 headers, content_type, req, req_it,
2127 0 /* maxline */,
2128 0 /* max_resp_len */, timeout, NULL, rsp_it);
2129 }
2130
2131 #endif
2132
2133 /*
2134 * Platform-specific sections
2135 */
2136 #if defined(_WIN32)
2137 # ifdef fileno
2138 # undef fileno
2139 # define fileno(a) (int)_fileno(a)
2140 # endif
2141
2142 # include <windows.h>
2143 # include <tchar.h>
2144
2145 static int WIN32_rename(const char *from, const char *to)
2146 {
2147 TCHAR *tfrom = NULL, *tto;
2148 DWORD err;
2149 int ret = 0;
2150
2151 if (sizeof(TCHAR) == 1) {
2152 tfrom = (TCHAR *)from;
2153 tto = (TCHAR *)to;
2154 } else { /* UNICODE path */
2155
2156 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2157 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2158 if (tfrom == NULL)
2159 goto err;
2160 tto = tfrom + flen;
2161 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2162 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2163 # endif
2164 for (i = 0; i < flen; i++)
2165 tfrom[i] = (TCHAR)from[i];
2166 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2167 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2168 # endif
2169 for (i = 0; i < tlen; i++)
2170 tto[i] = (TCHAR)to[i];
2171 }
2172
2173 if (MoveFile(tfrom, tto))
2174 goto ok;
2175 err = GetLastError();
2176 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2177 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2178 goto ok;
2179 err = GetLastError();
2180 }
2181 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2182 errno = ENOENT;
2183 else if (err == ERROR_ACCESS_DENIED)
2184 errno = EACCES;
2185 else
2186 errno = EINVAL; /* we could map more codes... */
2187 err:
2188 ret = -1;
2189 ok:
2190 if (tfrom != NULL && tfrom != (TCHAR *)from)
2191 free(tfrom);
2192 return ret;
2193 }
2194 #endif
2195
2196 /* app_tminterval section */
2197 #if defined(_WIN32)
2198 double app_tminterval(int stop, int usertime)
2199 {
2200 FILETIME now;
2201 double ret = 0;
2202 static ULARGE_INTEGER tmstart;
2203 static int warning = 1;
2204 # ifdef _WIN32_WINNT
2205 static HANDLE proc = NULL;
2206
2207 if (proc == NULL) {
2208 if (check_winnt())
2209 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2210 GetCurrentProcessId());
2211 if (proc == NULL)
2212 proc = (HANDLE) - 1;
2213 }
2214
2215 if (usertime && proc != (HANDLE) - 1) {
2216 FILETIME junk;
2217 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2218 } else
2219 # endif
2220 {
2221 SYSTEMTIME systime;
2222
2223 if (usertime && warning) {
2224 BIO_printf(bio_err, "To get meaningful results, run "
2225 "this program on idle system.\n");
2226 warning = 0;
2227 }
2228 GetSystemTime(&systime);
2229 SystemTimeToFileTime(&systime, &now);
2230 }
2231
2232 if (stop == TM_START) {
2233 tmstart.u.LowPart = now.dwLowDateTime;
2234 tmstart.u.HighPart = now.dwHighDateTime;
2235 } else {
2236 ULARGE_INTEGER tmstop;
2237
2238 tmstop.u.LowPart = now.dwLowDateTime;
2239 tmstop.u.HighPart = now.dwHighDateTime;
2240
2241 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2242 }
2243
2244 return ret;
2245 }
2246 #elif defined(OPENSSL_SYS_VXWORKS)
2247 # include <time.h>
2248
2249 double app_tminterval(int stop, int usertime)
2250 {
2251 double ret = 0;
2252 # ifdef CLOCK_REALTIME
2253 static struct timespec tmstart;
2254 struct timespec now;
2255 # else
2256 static unsigned long tmstart;
2257 unsigned long now;
2258 # endif
2259 static int warning = 1;
2260
2261 if (usertime && warning) {
2262 BIO_printf(bio_err, "To get meaningful results, run "
2263 "this program on idle system.\n");
2264 warning = 0;
2265 }
2266 # ifdef CLOCK_REALTIME
2267 clock_gettime(CLOCK_REALTIME, &now);
2268 if (stop == TM_START)
2269 tmstart = now;
2270 else
2271 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2272 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2273 # else
2274 now = tickGet();
2275 if (stop == TM_START)
2276 tmstart = now;
2277 else
2278 ret = (now - tmstart) / (double)sysClkRateGet();
2279 # endif
2280 return ret;
2281 }
2282
2283 #elif defined(OPENSSL_SYSTEM_VMS)
2284 # include <time.h>
2285 # include <times.h>
2286
2287 double app_tminterval(int stop, int usertime)
2288 {
2289 static clock_t tmstart;
2290 double ret = 0;
2291 clock_t now;
2292 # ifdef __TMS
2293 struct tms rus;
2294
2295 now = times(&rus);
2296 if (usertime)
2297 now = rus.tms_utime;
2298 # else
2299 if (usertime)
2300 now = clock(); /* sum of user and kernel times */
2301 else {
2302 struct timeval tv;
2303 gettimeofday(&tv, NULL);
2304 now = (clock_t)((unsigned long long)tv.tv_sec * CLK_TCK +
2305 (unsigned long long)tv.tv_usec * (1000000 / CLK_TCK)
2306 );
2307 }
2308 # endif
2309 if (stop == TM_START)
2310 tmstart = now;
2311 else
2312 ret = (now - tmstart) / (double)(CLK_TCK);
2313
2314 return ret;
2315 }
2316
2317 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2318 # include <sys/times.h>
2319
2320 double app_tminterval(int stop, int usertime)
2321 {
2322 double ret = 0;
2323 struct tms rus;
2324 clock_t now = times(&rus);
2325 static clock_t tmstart;
2326
2327 if (usertime)
2328 now = rus.tms_utime;
2329
2330 if (stop == TM_START) {
2331 tmstart = now;
2332 } else {
2333 long int tck = sysconf(_SC_CLK_TCK);
2334 ret = (now - tmstart) / (double)tck;
2335 }
2336
2337 return ret;
2338 }
2339
2340 #else
2341 # include <sys/time.h>
2342 # include <sys/resource.h>
2343
2344 double app_tminterval(int stop, int usertime)
2345 {
2346 double ret = 0;
2347 struct rusage rus;
2348 struct timeval now;
2349 static struct timeval tmstart;
2350
2351 if (usertime)
2352 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2353 else
2354 gettimeofday(&now, NULL);
2355
2356 if (stop == TM_START)
2357 tmstart = now;
2358 else
2359 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2360 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2361
2362 return ret;
2363 }
2364 #endif
2365
2366 int app_access(const char* name, int flag)
2367 {
2368 #ifdef _WIN32
2369 return _access(name, flag);
2370 #else
2371 return access(name, flag);
2372 #endif
2373 }
2374
2375 int app_isdir(const char *name)
2376 {
2377 return opt_isdir(name);
2378 }
2379
2380 /* raw_read|write section */
2381 #if defined(__VMS)
2382 # include "vms_term_sock.h"
2383 static int stdin_sock = -1;
2384
2385 static void close_stdin_sock(void)
2386 {
2387 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2388 }
2389
2390 int fileno_stdin(void)
2391 {
2392 if (stdin_sock == -1) {
2393 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2394 atexit(close_stdin_sock);
2395 }
2396
2397 return stdin_sock;
2398 }
2399 #else
2400 int fileno_stdin(void)
2401 {
2402 return fileno(stdin);
2403 }
2404 #endif
2405
2406 int fileno_stdout(void)
2407 {
2408 return fileno(stdout);
2409 }
2410
2411 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2412 int raw_read_stdin(void *buf, int siz)
2413 {
2414 DWORD n;
2415 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2416 return n;
2417 else
2418 return -1;
2419 }
2420 #elif defined(__VMS)
2421 # include <sys/socket.h>
2422
2423 int raw_read_stdin(void *buf, int siz)
2424 {
2425 return recv(fileno_stdin(), buf, siz, 0);
2426 }
2427 #else
2428 int raw_read_stdin(void *buf, int siz)
2429 {
2430 return read(fileno_stdin(), buf, siz);
2431 }
2432 #endif
2433
2434 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2435 int raw_write_stdout(const void *buf, int siz)
2436 {
2437 DWORD n;
2438 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2439 return n;
2440 else
2441 return -1;
2442 }
2443 #else
2444 int raw_write_stdout(const void *buf, int siz)
2445 {
2446 return write(fileno_stdout(), buf, siz);
2447 }
2448 #endif
2449
2450 /*
2451 * Centralized handling of input and output files with format specification
2452 * The format is meant to show what the input and output is supposed to be,
2453 * and is therefore a show of intent more than anything else. However, it
2454 * does impact behavior on some platforms, such as differentiating between
2455 * text and binary input/output on non-Unix platforms
2456 */
2457 BIO *dup_bio_in(int format)
2458 {
2459 return BIO_new_fp(stdin,
2460 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2461 }
2462
2463 BIO *dup_bio_out(int format)
2464 {
2465 BIO *b = BIO_new_fp(stdout,
2466 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2467 void *prefix = NULL;
2468
2469 #ifdef OPENSSL_SYS_VMS
2470 if (FMT_istext(format))
2471 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2472 #endif
2473
2474 if (FMT_istext(format)
2475 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2476 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2477 BIO_set_prefix(b, prefix);
2478 }
2479
2480 return b;
2481 }
2482
2483 BIO *dup_bio_err(int format)
2484 {
2485 BIO *b = BIO_new_fp(stderr,
2486 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2487 #ifdef OPENSSL_SYS_VMS
2488 if (FMT_istext(format))
2489 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2490 #endif
2491 return b;
2492 }
2493
2494 void unbuffer(FILE *fp)
2495 {
2496 /*
2497 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2498 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2499 * However, we trust that the C RTL will never give us a FILE pointer
2500 * above the first 4 GB of memory, so we simply turn off the warning
2501 * temporarily.
2502 */
2503 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2504 # pragma environment save
2505 # pragma message disable maylosedata2
2506 #endif
2507 setbuf(fp, NULL);
2508 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2509 # pragma environment restore
2510 #endif
2511 }
2512
2513 static const char *modestr(char mode, int format)
2514 {
2515 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2516
2517 switch (mode) {
2518 case 'a':
2519 return FMT_istext(format) ? "a" : "ab";
2520 case 'r':
2521 return FMT_istext(format) ? "r" : "rb";
2522 case 'w':
2523 return FMT_istext(format) ? "w" : "wb";
2524 }
2525 /* The assert above should make sure we never reach this point */
2526 return NULL;
2527 }
2528
2529 static const char *modeverb(char mode)
2530 {
2531 switch (mode) {
2532 case 'a':
2533 return "appending";
2534 case 'r':
2535 return "reading";
2536 case 'w':
2537 return "writing";
2538 }
2539 return "(doing something)";
2540 }
2541
2542 /*
2543 * Open a file for writing, owner-read-only.
2544 */
2545 BIO *bio_open_owner(const char *filename, int format, int private)
2546 {
2547 FILE *fp = NULL;
2548 BIO *b = NULL;
2549 int fd = -1, bflags, mode, textmode;
2550
2551 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2552 return bio_open_default(filename, 'w', format);
2553
2554 mode = O_WRONLY;
2555 #ifdef O_CREAT
2556 mode |= O_CREAT;
2557 #endif
2558 #ifdef O_TRUNC
2559 mode |= O_TRUNC;
2560 #endif
2561 textmode = FMT_istext(format);
2562 if (!textmode) {
2563 #ifdef O_BINARY
2564 mode |= O_BINARY;
2565 #elif defined(_O_BINARY)
2566 mode |= _O_BINARY;
2567 #endif
2568 }
2569
2570 #ifdef OPENSSL_SYS_VMS
2571 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2572 * it still needs to know that we're going binary, or fdopen()
2573 * will fail with "invalid argument"... so we tell VMS what the
2574 * context is.
2575 */
2576 if (!textmode)
2577 fd = open(filename, mode, 0600, "ctx=bin");
2578 else
2579 #endif
2580 fd = open(filename, mode, 0600);
2581 if (fd < 0)
2582 goto err;
2583 fp = fdopen(fd, modestr('w', format));
2584 if (fp == NULL)
2585 goto err;
2586 bflags = BIO_CLOSE;
2587 if (textmode)
2588 bflags |= BIO_FP_TEXT;
2589 b = BIO_new_fp(fp, bflags);
2590 if (b)
2591 return b;
2592
2593 err:
2594 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2595 opt_getprog(), filename, strerror(errno));
2596 ERR_print_errors(bio_err);
2597 /* If we have fp, then fdopen took over fd, so don't close both. */
2598 if (fp)
2599 fclose(fp);
2600 else if (fd >= 0)
2601 close(fd);
2602 return NULL;
2603 }
2604
2605 static BIO *bio_open_default_(const char *filename, char mode, int format,
2606 int quiet)
2607 {
2608 BIO *ret;
2609
2610 if (filename == NULL || strcmp(filename, "-") == 0) {
2611 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2612 if (quiet) {
2613 ERR_clear_error();
2614 return ret;
2615 }
2616 if (ret != NULL)
2617 return ret;
2618 BIO_printf(bio_err,
2619 "Can't open %s, %s\n",
2620 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2621 } else {
2622 ret = BIO_new_file(filename, modestr(mode, format));
2623 if (quiet) {
2624 ERR_clear_error();
2625 return ret;
2626 }
2627 if (ret != NULL)
2628 return ret;
2629 BIO_printf(bio_err,
2630 "Can't open %s for %s, %s\n",
2631 filename, modeverb(mode), strerror(errno));
2632 }
2633 ERR_print_errors(bio_err);
2634 return NULL;
2635 }
2636
2637 BIO *bio_open_default(const char *filename, char mode, int format)
2638 {
2639 return bio_open_default_(filename, mode, format, 0);
2640 }
2641
2642 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2643 {
2644 return bio_open_default_(filename, mode, format, 1);
2645 }
2646
2647 void wait_for_async(SSL *s)
2648 {
2649 /* On Windows select only works for sockets, so we simply don't wait */
2650 #ifndef OPENSSL_SYS_WINDOWS
2651 int width = 0;
2652 fd_set asyncfds;
2653 OSSL_ASYNC_FD *fds;
2654 size_t numfds;
2655 size_t i;
2656
2657 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2658 return;
2659 if (numfds == 0)
2660 return;
2661 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2662 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2663 OPENSSL_free(fds);
2664 return;
2665 }
2666
2667 FD_ZERO(&asyncfds);
2668 for (i = 0; i < numfds; i++) {
2669 if (width <= (int)fds[i])
2670 width = (int)fds[i] + 1;
2671 openssl_fdset((int)fds[i], &asyncfds);
2672 }
2673 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2674 OPENSSL_free(fds);
2675 #endif
2676 }
2677
2678 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2679 #if defined(OPENSSL_SYS_MSDOS)
2680 int has_stdin_waiting(void)
2681 {
2682 # if defined(OPENSSL_SYS_WINDOWS)
2683 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2684 DWORD events = 0;
2685 INPUT_RECORD inputrec;
2686 DWORD insize = 1;
2687 BOOL peeked;
2688
2689 if (inhand == INVALID_HANDLE_VALUE) {
2690 return 0;
2691 }
2692
2693 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2694 if (!peeked) {
2695 /* Probably redirected input? _kbhit() does not work in this case */
2696 if (!feof(stdin)) {
2697 return 1;
2698 }
2699 return 0;
2700 }
2701 # endif
2702 return _kbhit();
2703 }
2704 #endif
2705
2706 /* Corrupt a signature by modifying final byte */
2707 void corrupt_signature(const ASN1_STRING *signature)
2708 {
2709 unsigned char *s = signature->data;
2710 s[signature->length - 1] ^= 0x1;
2711 }
2712
2713 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2714 int days)
2715 {
2716 if (startdate == NULL || strcmp(startdate, "today") == 0) {
2717 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2718 return 0;
2719 } else {
2720 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
2721 return 0;
2722 }
2723 if (enddate == NULL) {
2724 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2725 == NULL)
2726 return 0;
2727 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
2728 return 0;
2729 }
2730 return 1;
2731 }
2732
2733 void make_uppercase(char *string)
2734 {
2735 int i;
2736
2737 for (i = 0; string[i] != '\0'; i++)
2738 string[i] = toupper((unsigned char)string[i]);
2739 }
2740
2741 int opt_printf_stderr(const char *fmt, ...)
2742 {
2743 va_list ap;
2744 int ret;
2745
2746 va_start(ap, fmt);
2747 ret = BIO_vprintf(bio_err, fmt, ap);
2748 va_end(ap);
2749 return ret;
2750 }
2751
2752 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
2753 const OSSL_PARAM *paramdefs)
2754 {
2755 OSSL_PARAM *params = NULL;
2756 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
2757 size_t params_n;
2758 char *opt = "", *stmp, *vtmp = NULL;
2759 int found = 1;
2760
2761 if (opts == NULL)
2762 return NULL;
2763
2764 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
2765 if (params == NULL)
2766 return NULL;
2767
2768 for (params_n = 0; params_n < sz; params_n++) {
2769 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
2770 if ((stmp = OPENSSL_strdup(opt)) == NULL
2771 || (vtmp = strchr(stmp, ':')) == NULL)
2772 goto err;
2773 /* Replace ':' with 0 to terminate the string pointed to by stmp */
2774 *vtmp = 0;
2775 /* Skip over the separator so that vmtp points to the value */
2776 vtmp++;
2777 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
2778 stmp, vtmp, strlen(vtmp), &found))
2779 goto err;
2780 OPENSSL_free(stmp);
2781 }
2782 params[params_n] = OSSL_PARAM_construct_end();
2783 return params;
2784 err:
2785 OPENSSL_free(stmp);
2786 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
2787 opt);
2788 ERR_print_errors(bio_err);
2789 app_params_free(params);
2790 return NULL;
2791 }
2792
2793 void app_params_free(OSSL_PARAM *params)
2794 {
2795 int i;
2796
2797 if (params != NULL) {
2798 for (i = 0; params[i].key != NULL; ++i)
2799 OPENSSL_free(params[i].data);
2800 OPENSSL_free(params);
2801 }
2802 }
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