]> git.ipfire.org Git - thirdparty/openssl.git/blob - apps/lib/apps.c
Fix safestack issues in x509.h
[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 /* We need to use some engine deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
12
13 #if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
14 /*
15 * On VMS, you need to define this to get the declaration of fileno(). The
16 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
17 */
18 # define _POSIX_C_SOURCE 2
19 #endif
20
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <sys/types.h>
25 #ifndef OPENSSL_NO_POSIX_IO
26 # include <sys/stat.h>
27 # include <fcntl.h>
28 #endif
29 #include <ctype.h>
30 #include <errno.h>
31 #include <openssl/err.h>
32 #include <openssl/x509.h>
33 #include <openssl/x509v3.h>
34 #include <openssl/pem.h>
35 #include <openssl/store.h>
36 #include <openssl/pkcs12.h>
37 #include <openssl/ui.h>
38 #include <openssl/safestack.h>
39 #ifndef OPENSSL_NO_ENGINE
40 # include <openssl/engine.h>
41 #endif
42 #ifndef OPENSSL_NO_RSA
43 # include <openssl/rsa.h>
44 #endif
45 #include <openssl/bn.h>
46 #include <openssl/ssl.h>
47 #include "apps.h"
48
49 #ifdef _WIN32
50 static int WIN32_rename(const char *from, const char *to);
51 # define rename(from,to) WIN32_rename((from),(to))
52 #endif
53
54 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
55 # include <conio.h>
56 #endif
57
58 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32)
59 # define _kbhit kbhit
60 #endif
61
62 #define PASS_SOURCE_SIZE_MAX 4
63
64 DEFINE_STACK_OF(CONF)
65 DEFINE_STACK_OF(CONF_VALUE)
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 OPENSSL_CTX *app_libctx = NULL;
78
79 static int set_table_opts(unsigned long *flags, const char *arg,
80 const NAME_EX_TBL * in_tbl);
81 static int set_multi_opts(unsigned long *flags, const char *arg,
82 const NAME_EX_TBL * in_tbl);
83
84 int app_init(long mesgwin);
85
86 int chopup_args(ARGS *arg, char *buf)
87 {
88 int quoted;
89 char c = '\0', *p = NULL;
90
91 arg->argc = 0;
92 if (arg->size == 0) {
93 arg->size = 20;
94 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
95 }
96
97 for (p = buf;;) {
98 /* Skip whitespace. */
99 while (*p && isspace(_UC(*p)))
100 p++;
101 if (*p == '\0')
102 break;
103
104 /* The start of something good :-) */
105 if (arg->argc >= arg->size) {
106 char **tmp;
107 arg->size += 20;
108 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
109 if (tmp == NULL)
110 return 0;
111 arg->argv = tmp;
112 }
113 quoted = *p == '\'' || *p == '"';
114 if (quoted)
115 c = *p++;
116 arg->argv[arg->argc++] = p;
117
118 /* now look for the end of this */
119 if (quoted) {
120 while (*p && *p != c)
121 p++;
122 *p++ = '\0';
123 } else {
124 while (*p && !isspace(_UC(*p)))
125 p++;
126 if (*p)
127 *p++ = '\0';
128 }
129 }
130 arg->argv[arg->argc] = NULL;
131 return 1;
132 }
133
134 #ifndef APP_INIT
135 int app_init(long mesgwin)
136 {
137 return 1;
138 }
139 #endif
140
141 int ctx_set_verify_locations(SSL_CTX *ctx,
142 const char *CAfile, int noCAfile,
143 const char *CApath, int noCApath,
144 const char *CAstore, int noCAstore)
145 {
146 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
147 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
148 return 0;
149 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
150 return 0;
151 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
152 return 0;
153
154 return 1;
155 }
156
157 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
158 return 0;
159 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
160 return 0;
161 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
162 return 0;
163 return 1;
164 }
165
166 #ifndef OPENSSL_NO_CT
167
168 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
169 {
170 if (path == NULL)
171 return SSL_CTX_set_default_ctlog_list_file(ctx);
172
173 return SSL_CTX_set_ctlog_list_file(ctx, path);
174 }
175
176 #endif
177
178 static unsigned long nmflag = 0;
179 static char nmflag_set = 0;
180
181 int set_nameopt(const char *arg)
182 {
183 int ret = set_name_ex(&nmflag, arg);
184
185 if (ret)
186 nmflag_set = 1;
187
188 return ret;
189 }
190
191 unsigned long get_nameopt(void)
192 {
193 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
194 }
195
196 int dump_cert_text(BIO *out, X509 *x)
197 {
198 print_name(out, "subject=", X509_get_subject_name(x), get_nameopt());
199 BIO_puts(out, "\n");
200 print_name(out, "issuer=", X509_get_issuer_name(x), get_nameopt());
201 BIO_puts(out, "\n");
202
203 return 0;
204 }
205
206 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
207 {
208 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
209 }
210
211
212 static char *app_get_pass(const char *arg, int keepbio);
213
214 char *get_passwd(const char *pass, const char *desc)
215 {
216 char *result = NULL;
217
218 if (desc == NULL)
219 desc = "<unknown>";
220 if (!app_passwd(pass, NULL, &result, NULL))
221 BIO_printf(bio_err, "Error getting password for %s\n", desc);
222 if (pass != NULL && result == NULL) {
223 BIO_printf(bio_err,
224 "Trying plain input string (better precede with 'pass:')\n");
225 result = OPENSSL_strdup(pass);
226 if (result == NULL)
227 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
228 }
229 return result;
230 }
231
232 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
233 {
234 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
235
236 if (arg1 != NULL) {
237 *pass1 = app_get_pass(arg1, same);
238 if (*pass1 == NULL)
239 return 0;
240 } else if (pass1 != NULL) {
241 *pass1 = NULL;
242 }
243 if (arg2 != NULL) {
244 *pass2 = app_get_pass(arg2, same ? 2 : 0);
245 if (*pass2 == NULL)
246 return 0;
247 } else if (pass2 != NULL) {
248 *pass2 = NULL;
249 }
250 return 1;
251 }
252
253 static char *app_get_pass(const char *arg, int keepbio)
254 {
255 static BIO *pwdbio = NULL;
256 char *tmp, tpass[APP_PASS_LEN];
257 int i;
258
259 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
260 if (strncmp(arg, "pass:", 5) == 0)
261 return OPENSSL_strdup(arg + 5);
262 if (strncmp(arg, "env:", 4) == 0) {
263 tmp = getenv(arg + 4);
264 if (tmp == NULL) {
265 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
266 return NULL;
267 }
268 return OPENSSL_strdup(tmp);
269 }
270 if (!keepbio || pwdbio == NULL) {
271 if (strncmp(arg, "file:", 5) == 0) {
272 pwdbio = BIO_new_file(arg + 5, "r");
273 if (pwdbio == NULL) {
274 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
275 return NULL;
276 }
277 #if !defined(_WIN32)
278 /*
279 * Under _WIN32, which covers even Win64 and CE, file
280 * descriptors referenced by BIO_s_fd are not inherited
281 * by child process and therefore below is not an option.
282 * It could have been an option if bss_fd.c was operating
283 * on real Windows descriptors, such as those obtained
284 * with CreateFile.
285 */
286 } else if (strncmp(arg, "fd:", 3) == 0) {
287 BIO *btmp;
288 i = atoi(arg + 3);
289 if (i >= 0)
290 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
291 if ((i < 0) || !pwdbio) {
292 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
293 return NULL;
294 }
295 /*
296 * Can't do BIO_gets on an fd BIO so add a buffering BIO
297 */
298 btmp = BIO_new(BIO_f_buffer());
299 pwdbio = BIO_push(btmp, pwdbio);
300 #endif
301 } else if (strcmp(arg, "stdin") == 0) {
302 pwdbio = dup_bio_in(FORMAT_TEXT);
303 if (pwdbio == NULL) {
304 BIO_printf(bio_err, "Can't open BIO for stdin\n");
305 return NULL;
306 }
307 } else {
308 /* argument syntax error; do not reveal too much about arg */
309 tmp = strchr(arg, ':');
310 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
311 BIO_printf(bio_err,
312 "Invalid password argument, missing ':' within the first %d chars\n",
313 PASS_SOURCE_SIZE_MAX + 1);
314 else
315 BIO_printf(bio_err,
316 "Invalid password argument, starting with \"%.*s\"\n",
317 (int)(tmp - arg + 1), arg);
318 return NULL;
319 }
320 }
321 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
322 if (keepbio != 1) {
323 BIO_free_all(pwdbio);
324 pwdbio = NULL;
325 }
326 if (i <= 0) {
327 BIO_printf(bio_err, "Error reading password from BIO\n");
328 return NULL;
329 }
330 tmp = strchr(tpass, '\n');
331 if (tmp != NULL)
332 *tmp = 0;
333 return OPENSSL_strdup(tpass);
334 }
335
336 OPENSSL_CTX *app_get0_libctx(void)
337 {
338 return app_libctx;
339 }
340
341 /* TODO(3.0): Make this an environment variable if required */
342 const char *app_get0_propq(void)
343 {
344 return NULL;
345 }
346
347 OPENSSL_CTX *app_create_libctx(void)
348 {
349 /*
350 * Load the NULL provider into the default library context and create a
351 * library context which will then be used for any OPT_PROV options.
352 */
353 if (app_libctx == NULL) {
354
355 if (!app_provider_load(NULL, "null")) {
356 BIO_puts(bio_err, "Failed to create null provider\n");
357 return NULL;
358 }
359 app_libctx = OPENSSL_CTX_new();
360 }
361 if (app_libctx == NULL)
362 BIO_puts(bio_err, "Failed to create library context\n");
363 return app_libctx;
364 }
365
366 CONF *app_load_config_bio(BIO *in, const char *filename)
367 {
368 long errorline = -1;
369 CONF *conf;
370 int i;
371
372 conf = NCONF_new_with_libctx(app_libctx, NULL);
373 i = NCONF_load_bio(conf, in, &errorline);
374 if (i > 0)
375 return conf;
376
377 if (errorline <= 0) {
378 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
379 } else {
380 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
381 errorline);
382 }
383 if (filename != NULL)
384 BIO_printf(bio_err, "config file \"%s\"\n", filename);
385 else
386 BIO_printf(bio_err, "config input");
387
388 NCONF_free(conf);
389 return NULL;
390 }
391
392 CONF *app_load_config(const char *filename)
393 {
394 BIO *in;
395 CONF *conf;
396
397 in = bio_open_default(filename, 'r', FORMAT_TEXT);
398 if (in == NULL)
399 return NULL;
400
401 conf = app_load_config_bio(in, filename);
402 BIO_free(in);
403 return conf;
404 }
405
406 CONF *app_load_config_quiet(const char *filename)
407 {
408 BIO *in;
409 CONF *conf;
410
411 in = bio_open_default_quiet(filename, 'r', FORMAT_TEXT);
412 if (in == NULL)
413 return NULL;
414
415 conf = app_load_config_bio(in, filename);
416 BIO_free(in);
417 return conf;
418 }
419
420 int app_load_modules(const CONF *config)
421 {
422 CONF *to_free = NULL;
423
424 if (config == NULL)
425 config = to_free = app_load_config_quiet(default_config_file);
426 if (config == NULL)
427 return 1;
428
429 if (CONF_modules_load(config, NULL, 0) <= 0) {
430 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
431 ERR_print_errors(bio_err);
432 NCONF_free(to_free);
433 return 0;
434 }
435 NCONF_free(to_free);
436 return 1;
437 }
438
439 int add_oid_section(CONF *conf)
440 {
441 char *p;
442 STACK_OF(CONF_VALUE) *sktmp;
443 CONF_VALUE *cnf;
444 int i;
445
446 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
447 ERR_clear_error();
448 return 1;
449 }
450 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
451 BIO_printf(bio_err, "problem loading oid section %s\n", p);
452 return 0;
453 }
454 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
455 cnf = sk_CONF_VALUE_value(sktmp, i);
456 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
457 BIO_printf(bio_err, "problem creating object %s=%s\n",
458 cnf->name, cnf->value);
459 return 0;
460 }
461 }
462 return 1;
463 }
464
465 CONF *app_load_config_modules(const char *configfile)
466 {
467 CONF *conf = NULL;
468
469 if (configfile != NULL) {
470 BIO_printf(bio_err, "Using configuration from %s\n", configfile);
471
472 if ((conf = app_load_config(configfile)) == NULL)
473 return NULL;
474 if (configfile != default_config_file && !app_load_modules(conf)) {
475 NCONF_free(conf);
476 conf = NULL;
477 }
478 }
479 return conf;
480 }
481
482 X509 *load_cert_pass(const char *uri, int maybe_stdin,
483 const char *pass, const char *desc)
484 {
485 X509 *cert = NULL;
486
487 if (desc == NULL)
488 desc = "certificate";
489 (void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
490 NULL, NULL, &cert, NULL, NULL, NULL);
491 if (cert == NULL) {
492 BIO_printf(bio_err, "Unable to load %s\n", desc);
493 ERR_print_errors(bio_err);
494 }
495 return cert;
496 }
497
498 /* the format parameter is meanwhile not needed anymore and thus ignored */
499 X509_CRL *load_crl(const char *uri, int format, const char *desc)
500 {
501 X509_CRL *crl = NULL;
502
503 if (desc == NULL)
504 desc = "CRL";
505 (void)load_key_certs_crls(uri, 0, NULL, desc,
506 NULL, NULL, NULL, NULL, &crl, NULL);
507 if (crl == NULL) {
508 BIO_printf(bio_err, "Unable to load %s\n", desc);
509 ERR_print_errors(bio_err);
510 }
511 return crl;
512 }
513
514 X509_REQ *load_csr(const char *file, int format, const char *desc)
515 {
516 X509_REQ *req = NULL;
517 BIO *in;
518
519 if (desc == NULL)
520 desc = "CSR";
521 in = bio_open_default(file, 'r', format);
522 if (in == NULL)
523 goto end;
524
525 if (format == FORMAT_ASN1)
526 req = d2i_X509_REQ_bio(in, NULL);
527 else if (format == FORMAT_PEM)
528 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
529 else
530 print_format_error(format, OPT_FMT_PEMDER);
531
532 end:
533 if (req == NULL) {
534 BIO_printf(bio_err, "Unable to load %s\n", desc);
535 ERR_print_errors(bio_err);
536 }
537 BIO_free(in);
538 return req;
539 }
540
541 void cleanse(char *str)
542 {
543 if (str != NULL)
544 OPENSSL_cleanse(str, strlen(str));
545 }
546
547 void clear_free(char *str)
548 {
549 if (str != NULL)
550 OPENSSL_clear_free(str, strlen(str));
551 }
552
553 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
554 const char *pass, ENGINE *e, const char *desc)
555 {
556 EVP_PKEY *pkey = NULL;
557
558 if (desc == NULL)
559 desc = "private key";
560
561 if (format == FORMAT_ENGINE) {
562 if (e == NULL) {
563 BIO_printf(bio_err, "No engine specified for loading %s\n", desc);
564 } else {
565 #ifndef OPENSSL_NO_ENGINE
566 PW_CB_DATA cb_data;
567
568 cb_data.password = pass;
569 cb_data.prompt_info = uri;
570 if (ENGINE_init(e)) {
571 pkey = ENGINE_load_private_key(e, uri,
572 (UI_METHOD *)get_ui_method(),
573 &cb_data);
574 ENGINE_finish(e);
575 }
576 if (pkey == NULL) {
577 BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
578 ERR_print_errors(bio_err);
579 }
580 #else
581 BIO_printf(bio_err, "Engines not supported for loading %s\n", desc);
582 #endif
583 }
584 } else {
585 (void)load_key_certs_crls(uri, may_stdin, pass, desc,
586 &pkey, NULL, NULL, NULL, NULL, NULL);
587 }
588
589 if (pkey == NULL) {
590 BIO_printf(bio_err, "Unable to load %s\n", desc);
591 ERR_print_errors(bio_err);
592 }
593 return pkey;
594 }
595
596 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
597 const char *pass, ENGINE *e, const char *desc)
598 {
599 EVP_PKEY *pkey = NULL;
600
601 if (desc == NULL)
602 desc = "public key";
603
604 if (format == FORMAT_ENGINE) {
605 if (e == NULL) {
606 BIO_printf(bio_err, "No engine specified for loading %s\n", desc);
607 } else {
608 #ifndef OPENSSL_NO_ENGINE
609 PW_CB_DATA cb_data;
610
611 cb_data.password = pass;
612 cb_data.prompt_info = uri;
613 pkey = ENGINE_load_public_key(e, uri, (UI_METHOD *)get_ui_method(),
614 &cb_data);
615 if (pkey == NULL) {
616 BIO_printf(bio_err, "Cannot load %s from engine\n", desc);
617 ERR_print_errors(bio_err);
618 }
619 #else
620 BIO_printf(bio_err, "Engines not supported for loading %s\n", desc);
621 #endif
622 }
623 } else {
624 (void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
625 NULL, &pkey, NULL, NULL, NULL, NULL);
626 }
627 if (pkey == NULL) {
628 BIO_printf(bio_err, "Unable to load %s\n", desc);
629 ERR_print_errors(bio_err);
630 }
631 return pkey;
632 }
633
634 void app_bail_out(char *fmt, ...)
635 {
636 va_list args;
637
638 va_start(args, fmt);
639 BIO_vprintf(bio_err, fmt, args);
640 va_end(args);
641 ERR_print_errors(bio_err);
642 exit(1);
643 }
644
645 void* app_malloc(int sz, const char *what)
646 {
647 void *vp = OPENSSL_malloc(sz);
648
649 if (vp == NULL)
650 app_bail_out("%s: Could not allocate %d bytes for %s\n",
651 opt_getprog(), sz, what);
652 return vp;
653 }
654
655 /*
656 * Initialize or extend, if *certs != NULL, a certificate stack.
657 * The caller is responsible for freeing *certs if its value is left not NULL.
658 */
659 int load_certs(const char *uri, STACK_OF(X509) **certs,
660 const char *pass, const char *desc)
661 {
662 int was_NULL = *certs == NULL;
663 int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL,
664 NULL, certs, NULL, NULL);
665
666 if (!ret && was_NULL) {
667 sk_X509_pop_free(*certs, X509_free);
668 *certs = NULL;
669 }
670 return ret;
671 }
672
673 /*
674 * Initialize or extend, if *crls != NULL, a certificate stack.
675 * The caller is responsible for freeing *crls if its value is left not NULL.
676 */
677 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
678 const char *pass, const char *desc)
679 {
680 int was_NULL = *crls == NULL;
681 int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL,
682 NULL, NULL, NULL, crls);
683
684 if (!ret && was_NULL) {
685 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
686 *crls = NULL;
687 }
688 return ret;
689 }
690
691 /*
692 * Load those types of credentials for which the result pointer is not NULL.
693 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
694 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
695 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
696 * If pcerts is non-NULL then all available certificates are appended to *pcerts
697 * except any certificate assigned to *pcert.
698 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
699 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
700 * except any CRL assigned to *pcrl.
701 * In any case (also on error) the caller is responsible for freeing all members
702 * of *pcerts and *pcrls (as far as they are not NULL).
703 */
704 int load_key_certs_crls(const char *uri, int maybe_stdin,
705 const char *pass, const char *desc,
706 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
707 X509 **pcert, STACK_OF(X509) **pcerts,
708 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
709 {
710 PW_CB_DATA uidata;
711 OSSL_STORE_CTX *ctx = NULL;
712 OPENSSL_CTX *libctx = app_get0_libctx();
713 const char *propq = app_get0_propq();
714 int ncerts = 0;
715 int ncrls = 0;
716 const char *failed = "any";
717 /* TODO make use of the engine reference 'eng' when loading pkeys */
718
719 if (ppkey != NULL)
720 *ppkey = NULL;
721 if (ppubkey != NULL)
722 *ppubkey = NULL;
723 if (pcert != NULL)
724 *pcert = NULL;
725 if (pcerts != NULL && *pcerts == NULL
726 && (*pcerts = sk_X509_new_null()) == NULL) {
727 BIO_printf(bio_err, "Out of memory");
728 goto end;
729 }
730 if (pcrl != NULL)
731 *pcrl = NULL;
732 if (pcrls != NULL && *pcrls == NULL
733 && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
734 BIO_printf(bio_err, "Out of memory");
735 goto end;
736 }
737
738 if (desc == NULL)
739 desc = "key/certificate/CRL";
740 uidata.password = pass;
741 uidata.prompt_info = uri;
742
743 if (uri == NULL) {
744 BIO *bio;
745
746 uri = "<stdin>";
747 if (!maybe_stdin) {
748 BIO_printf(bio_err, "No filename or uri specified for loading %s\n",
749 desc);
750 goto end;
751 }
752 unbuffer(stdin);
753 bio = BIO_new_fp(stdin, 0);
754 if (bio != NULL)
755 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
756 get_ui_method(), &uidata, NULL, NULL);
757 } else {
758 ctx = OSSL_STORE_open_with_libctx(uri, libctx, propq, get_ui_method(),
759 &uidata, NULL, NULL);
760 }
761 if (ctx == NULL) {
762 BIO_printf(bio_err, "Could not open file or uri %s for loading %s\n",
763 uri, desc);
764 goto end;
765 }
766
767 failed = NULL;
768 while (!OSSL_STORE_eof(ctx)) {
769 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
770 int type = info == NULL ? 0 : OSSL_STORE_INFO_get_type(info);
771 int ok = 1;
772
773 switch (type) {
774 case OSSL_STORE_INFO_PKEY:
775 if (ppkey != NULL && *ppkey == NULL)
776 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
777
778 /*
779 * An EVP_PKEY with private parts also holds the public parts,
780 * so if the caller asked for a public key, and we got a private
781 * key, we can still pass it back.
782 */
783 if (ok && ppubkey != NULL && *ppubkey == NULL)
784 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
785 break;
786 case OSSL_STORE_INFO_PUBKEY:
787 if (ppubkey != NULL && *ppubkey == NULL)
788 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
789 break;
790 case OSSL_STORE_INFO_CERT:
791 if (pcert != NULL && *pcert == NULL)
792 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
793 else if (pcerts != NULL)
794 ok = X509_add_cert(*pcerts,
795 OSSL_STORE_INFO_get1_CERT(info),
796 X509_ADD_FLAG_DEFAULT);
797 ncerts += ok;
798 break;
799 case OSSL_STORE_INFO_CRL:
800 if (pcrl != NULL && *pcrl == NULL)
801 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
802 else if (pcrls != NULL)
803 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
804 ncrls += ok;
805 break;
806 default:
807 /* skip any other type */
808 break;
809 }
810 OSSL_STORE_INFO_free(info);
811 if (!ok) {
812 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
813 BIO_printf(bio_err, "Error reading %s of %s from %s\n",
814 failed, desc, uri);
815 break;
816 }
817 }
818
819 end:
820 OSSL_STORE_close(ctx);
821 if (failed == NULL) {
822 if (ppkey != NULL && *ppkey == NULL)
823 failed = "key";
824 else if ((pcert != NULL || pcerts != NULL) && ncerts == 0)
825 failed = "cert";
826 else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0)
827 failed = "CRL";
828 if (failed != NULL)
829 BIO_printf(bio_err, "Could not read any %s of %s from %s\n",
830 failed, desc, uri);
831 }
832 if (failed != NULL)
833 ERR_print_errors(bio_err);
834 return failed == NULL;
835 }
836
837
838 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
839 /* Return error for unknown extensions */
840 #define X509V3_EXT_DEFAULT 0
841 /* Print error for unknown extensions */
842 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
843 /* ASN1 parse unknown extensions */
844 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
845 /* BIO_dump unknown extensions */
846 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
847
848 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
849 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
850
851 int set_cert_ex(unsigned long *flags, const char *arg)
852 {
853 static const NAME_EX_TBL cert_tbl[] = {
854 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
855 {"ca_default", X509_FLAG_CA, 0xffffffffl},
856 {"no_header", X509_FLAG_NO_HEADER, 0},
857 {"no_version", X509_FLAG_NO_VERSION, 0},
858 {"no_serial", X509_FLAG_NO_SERIAL, 0},
859 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
860 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
861 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
862 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
863 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
864 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
865 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
866 {"no_aux", X509_FLAG_NO_AUX, 0},
867 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
868 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
869 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
870 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
871 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
872 {NULL, 0, 0}
873 };
874 return set_multi_opts(flags, arg, cert_tbl);
875 }
876
877 int set_name_ex(unsigned long *flags, const char *arg)
878 {
879 static const NAME_EX_TBL ex_tbl[] = {
880 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
881 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
882 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
883 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
884 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
885 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
886 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
887 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
888 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
889 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
890 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
891 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
892 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
893 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
894 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
895 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
896 {"dn_rev", XN_FLAG_DN_REV, 0},
897 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
898 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
899 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
900 {"align", XN_FLAG_FN_ALIGN, 0},
901 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
902 {"space_eq", XN_FLAG_SPC_EQ, 0},
903 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
904 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
905 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
906 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
907 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
908 {NULL, 0, 0}
909 };
910 if (set_multi_opts(flags, arg, ex_tbl) == 0)
911 return 0;
912 if (*flags != XN_FLAG_COMPAT
913 && (*flags & XN_FLAG_SEP_MASK) == 0)
914 *flags |= XN_FLAG_SEP_CPLUS_SPC;
915 return 1;
916 }
917
918 int set_ext_copy(int *copy_type, const char *arg)
919 {
920 if (strcasecmp(arg, "none") == 0)
921 *copy_type = EXT_COPY_NONE;
922 else if (strcasecmp(arg, "copy") == 0)
923 *copy_type = EXT_COPY_ADD;
924 else if (strcasecmp(arg, "copyall") == 0)
925 *copy_type = EXT_COPY_ALL;
926 else
927 return 0;
928 return 1;
929 }
930
931 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
932 {
933 STACK_OF(X509_EXTENSION) *exts = NULL;
934 X509_EXTENSION *ext, *tmpext;
935 ASN1_OBJECT *obj;
936 int i, idx, ret = 0;
937 if (!x || !req || (copy_type == EXT_COPY_NONE))
938 return 1;
939 exts = X509_REQ_get_extensions(req);
940
941 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
942 ext = sk_X509_EXTENSION_value(exts, i);
943 obj = X509_EXTENSION_get_object(ext);
944 idx = X509_get_ext_by_OBJ(x, obj, -1);
945 /* Does extension exist? */
946 if (idx != -1) {
947 /* If normal copy don't override existing extension */
948 if (copy_type == EXT_COPY_ADD)
949 continue;
950 /* Delete all extensions of same type */
951 do {
952 tmpext = X509_get_ext(x, idx);
953 X509_delete_ext(x, idx);
954 X509_EXTENSION_free(tmpext);
955 idx = X509_get_ext_by_OBJ(x, obj, -1);
956 } while (idx != -1);
957 }
958 if (!X509_add_ext(x, ext, -1))
959 goto end;
960 }
961
962 ret = 1;
963
964 end:
965
966 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
967
968 return ret;
969 }
970
971 static int set_multi_opts(unsigned long *flags, const char *arg,
972 const NAME_EX_TBL * in_tbl)
973 {
974 STACK_OF(CONF_VALUE) *vals;
975 CONF_VALUE *val;
976 int i, ret = 1;
977 if (!arg)
978 return 0;
979 vals = X509V3_parse_list(arg);
980 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
981 val = sk_CONF_VALUE_value(vals, i);
982 if (!set_table_opts(flags, val->name, in_tbl))
983 ret = 0;
984 }
985 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
986 return ret;
987 }
988
989 static int set_table_opts(unsigned long *flags, const char *arg,
990 const NAME_EX_TBL * in_tbl)
991 {
992 char c;
993 const NAME_EX_TBL *ptbl;
994 c = arg[0];
995
996 if (c == '-') {
997 c = 0;
998 arg++;
999 } else if (c == '+') {
1000 c = 1;
1001 arg++;
1002 } else {
1003 c = 1;
1004 }
1005
1006 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1007 if (strcasecmp(arg, ptbl->name) == 0) {
1008 *flags &= ~ptbl->mask;
1009 if (c)
1010 *flags |= ptbl->flag;
1011 else
1012 *flags &= ~ptbl->flag;
1013 return 1;
1014 }
1015 }
1016 return 0;
1017 }
1018
1019 void print_name(BIO *out, const char *title, const X509_NAME *nm,
1020 unsigned long lflags)
1021 {
1022 char *buf;
1023 char mline = 0;
1024 int indent = 0;
1025
1026 if (title)
1027 BIO_puts(out, title);
1028 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1029 mline = 1;
1030 indent = 4;
1031 }
1032 if (lflags == XN_FLAG_COMPAT) {
1033 buf = X509_NAME_oneline(nm, 0, 0);
1034 BIO_puts(out, buf);
1035 BIO_puts(out, "\n");
1036 OPENSSL_free(buf);
1037 } else {
1038 if (mline)
1039 BIO_puts(out, "\n");
1040 X509_NAME_print_ex(out, nm, indent, lflags);
1041 BIO_puts(out, "\n");
1042 }
1043 }
1044
1045 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1046 int len, unsigned char *buffer)
1047 {
1048 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1049 if (BN_is_zero(in)) {
1050 BIO_printf(out, "\n 0x00");
1051 } else {
1052 int i, l;
1053
1054 l = BN_bn2bin(in, buffer);
1055 for (i = 0; i < l; i++) {
1056 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1057 if (i < l - 1)
1058 BIO_printf(out, "0x%02X,", buffer[i]);
1059 else
1060 BIO_printf(out, "0x%02X", buffer[i]);
1061 }
1062 }
1063 BIO_printf(out, "\n };\n");
1064 }
1065
1066 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1067 {
1068 int i;
1069
1070 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1071 for (i = 0; i < len; i++) {
1072 if ((i % 10) == 0)
1073 BIO_printf(out, "\n ");
1074 if (i < len - 1)
1075 BIO_printf(out, "0x%02X, ", d[i]);
1076 else
1077 BIO_printf(out, "0x%02X", d[i]);
1078 }
1079 BIO_printf(out, "\n};\n");
1080 }
1081
1082 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1083 const char *CApath, int noCApath,
1084 const char *CAstore, int noCAstore)
1085 {
1086 X509_STORE *store = X509_STORE_new();
1087 X509_LOOKUP *lookup;
1088 OPENSSL_CTX *libctx = app_get0_libctx();
1089 const char *propq = app_get0_propq();
1090
1091 if (store == NULL)
1092 goto end;
1093
1094 if (CAfile != NULL || !noCAfile) {
1095 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1096 if (lookup == NULL)
1097 goto end;
1098 if (CAfile != NULL) {
1099 if (!X509_LOOKUP_load_file_with_libctx(lookup, CAfile,
1100 X509_FILETYPE_PEM,
1101 libctx, propq)) {
1102 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1103 goto end;
1104 }
1105 } else {
1106 X509_LOOKUP_load_file_with_libctx(lookup, NULL,
1107 X509_FILETYPE_DEFAULT,
1108 libctx, propq);
1109 }
1110 }
1111
1112 if (CApath != NULL || !noCApath) {
1113 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1114 if (lookup == NULL)
1115 goto end;
1116 if (CApath != NULL) {
1117 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1118 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1119 goto end;
1120 }
1121 } else {
1122 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1123 }
1124 }
1125
1126 if (CAstore != NULL || !noCAstore) {
1127 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1128 if (lookup == NULL)
1129 goto end;
1130 if (!X509_LOOKUP_add_store_with_libctx(lookup, CAstore, libctx, propq)) {
1131 if (CAstore != NULL)
1132 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1133 goto end;
1134 }
1135 }
1136
1137 ERR_clear_error();
1138 return store;
1139 end:
1140 ERR_print_errors(bio_err);
1141 X509_STORE_free(store);
1142 return NULL;
1143 }
1144
1145 #ifndef OPENSSL_NO_ENGINE
1146 /* Try to load an engine in a shareable library */
1147 static ENGINE *try_load_engine(const char *engine)
1148 {
1149 ENGINE *e = ENGINE_by_id("dynamic");
1150 if (e) {
1151 if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", engine, 0)
1152 || !ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0)) {
1153 ENGINE_free(e);
1154 e = NULL;
1155 }
1156 }
1157 return e;
1158 }
1159 #endif
1160
1161 ENGINE *setup_engine_methods(const char *id, unsigned int methods, int debug)
1162 {
1163 ENGINE *e = NULL;
1164
1165 #ifndef OPENSSL_NO_ENGINE
1166 if (id != NULL) {
1167 if (strcmp(id, "auto") == 0) {
1168 BIO_printf(bio_err, "Enabling auto ENGINE support\n");
1169 ENGINE_register_all_complete();
1170 return NULL;
1171 }
1172 if ((e = ENGINE_by_id(id)) == NULL
1173 && (e = try_load_engine(id)) == NULL) {
1174 BIO_printf(bio_err, "Invalid engine \"%s\"\n", id);
1175 ERR_print_errors(bio_err);
1176 return NULL;
1177 }
1178 if (debug)
1179 (void)ENGINE_ctrl(e, ENGINE_CTRL_SET_LOGSTREAM, 0, bio_err, 0);
1180 if (!ENGINE_ctrl_cmd(e, "SET_USER_INTERFACE", 0,
1181 (void *)get_ui_method(), 0, 1)
1182 || !ENGINE_set_default(e, methods)) {
1183 BIO_printf(bio_err, "Cannot use engine \"%s\"\n", ENGINE_get_id(e));
1184 ERR_print_errors(bio_err);
1185 ENGINE_free(e);
1186 return NULL;
1187 }
1188
1189 BIO_printf(bio_err, "Engine \"%s\" set.\n", ENGINE_get_id(e));
1190 }
1191 #endif
1192 return e;
1193 }
1194
1195 void release_engine(ENGINE *e)
1196 {
1197 #ifndef OPENSSL_NO_ENGINE
1198 /* Free our "structural" reference. */
1199 ENGINE_free(e);
1200 #endif
1201 }
1202
1203 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1204 {
1205 const char *n;
1206
1207 n = a[DB_serial];
1208 while (*n == '0')
1209 n++;
1210 return OPENSSL_LH_strhash(n);
1211 }
1212
1213 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1214 const OPENSSL_CSTRING *b)
1215 {
1216 const char *aa, *bb;
1217
1218 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1219 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1220 return strcmp(aa, bb);
1221 }
1222
1223 static int index_name_qual(char **a)
1224 {
1225 return (a[0][0] == 'V');
1226 }
1227
1228 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1229 {
1230 return OPENSSL_LH_strhash(a[DB_name]);
1231 }
1232
1233 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1234 {
1235 return strcmp(a[DB_name], b[DB_name]);
1236 }
1237
1238 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1239 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1240 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1241 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1242 #undef BSIZE
1243 #define BSIZE 256
1244 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1245 {
1246 BIO *in = NULL;
1247 BIGNUM *ret = NULL;
1248 char buf[1024];
1249 ASN1_INTEGER *ai = NULL;
1250
1251 ai = ASN1_INTEGER_new();
1252 if (ai == NULL)
1253 goto err;
1254
1255 in = BIO_new_file(serialfile, "r");
1256 if (in == NULL) {
1257 if (!create) {
1258 perror(serialfile);
1259 goto err;
1260 }
1261 ERR_clear_error();
1262 ret = BN_new();
1263 if (ret == NULL || !rand_serial(ret, ai))
1264 BIO_printf(bio_err, "Out of memory\n");
1265 } else {
1266 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1267 BIO_printf(bio_err, "Unable to load number from %s\n",
1268 serialfile);
1269 goto err;
1270 }
1271 ret = ASN1_INTEGER_to_BN(ai, NULL);
1272 if (ret == NULL) {
1273 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1274 goto err;
1275 }
1276 }
1277
1278 if (ret && retai) {
1279 *retai = ai;
1280 ai = NULL;
1281 }
1282 err:
1283 ERR_print_errors(bio_err);
1284 BIO_free(in);
1285 ASN1_INTEGER_free(ai);
1286 return ret;
1287 }
1288
1289 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1290 ASN1_INTEGER **retai)
1291 {
1292 char buf[1][BSIZE];
1293 BIO *out = NULL;
1294 int ret = 0;
1295 ASN1_INTEGER *ai = NULL;
1296 int j;
1297
1298 if (suffix == NULL)
1299 j = strlen(serialfile);
1300 else
1301 j = strlen(serialfile) + strlen(suffix) + 1;
1302 if (j >= BSIZE) {
1303 BIO_printf(bio_err, "File name too long\n");
1304 goto err;
1305 }
1306
1307 if (suffix == NULL)
1308 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1309 else {
1310 #ifndef OPENSSL_SYS_VMS
1311 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1312 #else
1313 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1314 #endif
1315 }
1316 out = BIO_new_file(buf[0], "w");
1317 if (out == NULL) {
1318 goto err;
1319 }
1320
1321 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1322 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1323 goto err;
1324 }
1325 i2a_ASN1_INTEGER(out, ai);
1326 BIO_puts(out, "\n");
1327 ret = 1;
1328 if (retai) {
1329 *retai = ai;
1330 ai = NULL;
1331 }
1332 err:
1333 if (!ret)
1334 ERR_print_errors(bio_err);
1335 BIO_free_all(out);
1336 ASN1_INTEGER_free(ai);
1337 return ret;
1338 }
1339
1340 int rotate_serial(const char *serialfile, const char *new_suffix,
1341 const char *old_suffix)
1342 {
1343 char buf[2][BSIZE];
1344 int i, j;
1345
1346 i = strlen(serialfile) + strlen(old_suffix);
1347 j = strlen(serialfile) + strlen(new_suffix);
1348 if (i > j)
1349 j = i;
1350 if (j + 1 >= BSIZE) {
1351 BIO_printf(bio_err, "File name too long\n");
1352 goto err;
1353 }
1354 #ifndef OPENSSL_SYS_VMS
1355 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1356 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1357 #else
1358 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1359 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1360 #endif
1361 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1362 #ifdef ENOTDIR
1363 && errno != ENOTDIR
1364 #endif
1365 ) {
1366 BIO_printf(bio_err,
1367 "Unable to rename %s to %s\n", serialfile, buf[1]);
1368 perror("reason");
1369 goto err;
1370 }
1371 if (rename(buf[0], serialfile) < 0) {
1372 BIO_printf(bio_err,
1373 "Unable to rename %s to %s\n", buf[0], serialfile);
1374 perror("reason");
1375 rename(buf[1], serialfile);
1376 goto err;
1377 }
1378 return 1;
1379 err:
1380 ERR_print_errors(bio_err);
1381 return 0;
1382 }
1383
1384 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1385 {
1386 BIGNUM *btmp;
1387 int ret = 0;
1388
1389 btmp = b == NULL ? BN_new() : b;
1390 if (btmp == NULL)
1391 return 0;
1392
1393 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1394 goto error;
1395 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1396 goto error;
1397
1398 ret = 1;
1399
1400 error:
1401
1402 if (btmp != b)
1403 BN_free(btmp);
1404
1405 return ret;
1406 }
1407
1408 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1409 {
1410 CA_DB *retdb = NULL;
1411 TXT_DB *tmpdb = NULL;
1412 BIO *in;
1413 CONF *dbattr_conf = NULL;
1414 char buf[BSIZE];
1415 #ifndef OPENSSL_NO_POSIX_IO
1416 FILE *dbfp;
1417 struct stat dbst;
1418 #endif
1419
1420 in = BIO_new_file(dbfile, "r");
1421 if (in == NULL)
1422 goto err;
1423
1424 #ifndef OPENSSL_NO_POSIX_IO
1425 BIO_get_fp(in, &dbfp);
1426 if (fstat(fileno(dbfp), &dbst) == -1) {
1427 ERR_raise_data(ERR_LIB_SYS, errno,
1428 "calling fstat(%s)", dbfile);
1429 goto err;
1430 }
1431 #endif
1432
1433 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1434 goto err;
1435
1436 #ifndef OPENSSL_SYS_VMS
1437 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1438 #else
1439 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1440 #endif
1441 dbattr_conf = app_load_config_quiet(buf);
1442
1443 retdb = app_malloc(sizeof(*retdb), "new DB");
1444 retdb->db = tmpdb;
1445 tmpdb = NULL;
1446 if (db_attr)
1447 retdb->attributes = *db_attr;
1448 else {
1449 retdb->attributes.unique_subject = 1;
1450 }
1451
1452 if (dbattr_conf) {
1453 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1454 if (p) {
1455 retdb->attributes.unique_subject = parse_yesno(p, 1);
1456 }
1457 }
1458
1459 retdb->dbfname = OPENSSL_strdup(dbfile);
1460 #ifndef OPENSSL_NO_POSIX_IO
1461 retdb->dbst = dbst;
1462 #endif
1463
1464 err:
1465 ERR_print_errors(bio_err);
1466 NCONF_free(dbattr_conf);
1467 TXT_DB_free(tmpdb);
1468 BIO_free_all(in);
1469 return retdb;
1470 }
1471
1472 /*
1473 * Returns > 0 on success, <= 0 on error
1474 */
1475 int index_index(CA_DB *db)
1476 {
1477 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1478 LHASH_HASH_FN(index_serial),
1479 LHASH_COMP_FN(index_serial))) {
1480 BIO_printf(bio_err,
1481 "Error creating serial number index:(%ld,%ld,%ld)\n",
1482 db->db->error, db->db->arg1, db->db->arg2);
1483 goto err;
1484 }
1485
1486 if (db->attributes.unique_subject
1487 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1488 LHASH_HASH_FN(index_name),
1489 LHASH_COMP_FN(index_name))) {
1490 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1491 db->db->error, db->db->arg1, db->db->arg2);
1492 goto err;
1493 }
1494 return 1;
1495 err:
1496 ERR_print_errors(bio_err);
1497 return 0;
1498 }
1499
1500 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1501 {
1502 char buf[3][BSIZE];
1503 BIO *out;
1504 int j;
1505
1506 j = strlen(dbfile) + strlen(suffix);
1507 if (j + 6 >= BSIZE) {
1508 BIO_printf(bio_err, "File name too long\n");
1509 goto err;
1510 }
1511 #ifndef OPENSSL_SYS_VMS
1512 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1513 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1514 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1515 #else
1516 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1517 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1518 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1519 #endif
1520 out = BIO_new_file(buf[0], "w");
1521 if (out == NULL) {
1522 perror(dbfile);
1523 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1524 goto err;
1525 }
1526 j = TXT_DB_write(out, db->db);
1527 BIO_free(out);
1528 if (j <= 0)
1529 goto err;
1530
1531 out = BIO_new_file(buf[1], "w");
1532 if (out == NULL) {
1533 perror(buf[2]);
1534 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1535 goto err;
1536 }
1537 BIO_printf(out, "unique_subject = %s\n",
1538 db->attributes.unique_subject ? "yes" : "no");
1539 BIO_free(out);
1540
1541 return 1;
1542 err:
1543 ERR_print_errors(bio_err);
1544 return 0;
1545 }
1546
1547 int rotate_index(const char *dbfile, const char *new_suffix,
1548 const char *old_suffix)
1549 {
1550 char buf[5][BSIZE];
1551 int i, j;
1552
1553 i = strlen(dbfile) + strlen(old_suffix);
1554 j = strlen(dbfile) + strlen(new_suffix);
1555 if (i > j)
1556 j = i;
1557 if (j + 6 >= BSIZE) {
1558 BIO_printf(bio_err, "File name too long\n");
1559 goto err;
1560 }
1561 #ifndef OPENSSL_SYS_VMS
1562 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1563 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1564 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1565 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1566 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1567 #else
1568 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1569 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1570 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1571 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1572 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1573 #endif
1574 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1575 #ifdef ENOTDIR
1576 && errno != ENOTDIR
1577 #endif
1578 ) {
1579 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1580 perror("reason");
1581 goto err;
1582 }
1583 if (rename(buf[0], dbfile) < 0) {
1584 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1585 perror("reason");
1586 rename(buf[1], dbfile);
1587 goto err;
1588 }
1589 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1590 #ifdef ENOTDIR
1591 && errno != ENOTDIR
1592 #endif
1593 ) {
1594 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1595 perror("reason");
1596 rename(dbfile, buf[0]);
1597 rename(buf[1], dbfile);
1598 goto err;
1599 }
1600 if (rename(buf[2], buf[4]) < 0) {
1601 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1602 perror("reason");
1603 rename(buf[3], buf[4]);
1604 rename(dbfile, buf[0]);
1605 rename(buf[1], dbfile);
1606 goto err;
1607 }
1608 return 1;
1609 err:
1610 ERR_print_errors(bio_err);
1611 return 0;
1612 }
1613
1614 void free_index(CA_DB *db)
1615 {
1616 if (db) {
1617 TXT_DB_free(db->db);
1618 OPENSSL_free(db->dbfname);
1619 OPENSSL_free(db);
1620 }
1621 }
1622
1623 int parse_yesno(const char *str, int def)
1624 {
1625 if (str) {
1626 switch (*str) {
1627 case 'f': /* false */
1628 case 'F': /* FALSE */
1629 case 'n': /* no */
1630 case 'N': /* NO */
1631 case '0': /* 0 */
1632 return 0;
1633 case 't': /* true */
1634 case 'T': /* TRUE */
1635 case 'y': /* yes */
1636 case 'Y': /* YES */
1637 case '1': /* 1 */
1638 return 1;
1639 }
1640 }
1641 return def;
1642 }
1643
1644 /*
1645 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1646 * where + can be used instead of / to form multi-valued RDNs if canmulti
1647 * and characters may be escaped by \
1648 */
1649 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1650 const char *desc)
1651 {
1652 int nextismulti = 0;
1653 char *work;
1654 X509_NAME *n;
1655
1656 if (*cp++ != '/') {
1657 BIO_printf(bio_err,
1658 "%s: %s name is expected to be in the format "
1659 "/type0=value0/type1=value1/type2=... where characters may "
1660 "be escaped by \\. This name is not in that format: '%s'\n",
1661 opt_getprog(), desc, --cp);
1662 return NULL;
1663 }
1664
1665 n = X509_NAME_new();
1666 if (n == NULL) {
1667 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1668 return NULL;
1669 }
1670 work = OPENSSL_strdup(cp);
1671 if (work == NULL) {
1672 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1673 opt_getprog(), desc);
1674 goto err;
1675 }
1676
1677 while (*cp != '\0') {
1678 char *bp = work;
1679 char *typestr = bp;
1680 unsigned char *valstr;
1681 int nid;
1682 int ismulti = nextismulti;
1683 nextismulti = 0;
1684
1685 /* Collect the type */
1686 while (*cp != '\0' && *cp != '=')
1687 *bp++ = *cp++;
1688 *bp++ = '\0';
1689 if (*cp == '\0') {
1690 BIO_printf(bio_err,
1691 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1692 opt_getprog(), typestr, desc);
1693 goto err;
1694 }
1695 ++cp;
1696
1697 /* Collect the value. */
1698 valstr = (unsigned char *)bp;
1699 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1700 /* unescaped '+' symbol string signals further member of multiRDN */
1701 if (canmulti && *cp == '+') {
1702 nextismulti = 1;
1703 break;
1704 }
1705 if (*cp == '\\' && *++cp == '\0') {
1706 BIO_printf(bio_err,
1707 "%s: Escape character at end of %s name string\n",
1708 opt_getprog(), desc);
1709 goto err;
1710 }
1711 }
1712 *bp++ = '\0';
1713
1714 /* If not at EOS (must be + or /), move forward. */
1715 if (*cp != '\0')
1716 ++cp;
1717
1718 /* Parse */
1719 nid = OBJ_txt2nid(typestr);
1720 if (nid == NID_undef) {
1721 BIO_printf(bio_err,
1722 "%s: Skipping unknown %s name attribute \"%s\"\n",
1723 opt_getprog(), desc, typestr);
1724 if (ismulti)
1725 BIO_printf(bio_err,
1726 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1727 continue;
1728 }
1729 if (*valstr == '\0') {
1730 BIO_printf(bio_err,
1731 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1732 opt_getprog(), desc, typestr);
1733 continue;
1734 }
1735 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1736 valstr, strlen((char *)valstr),
1737 -1, ismulti ? -1 : 0)) {
1738 ERR_print_errors(bio_err);
1739 BIO_printf(bio_err,
1740 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1741 opt_getprog(), desc, typestr ,valstr);
1742 goto err;
1743 }
1744 }
1745
1746 OPENSSL_free(work);
1747 return n;
1748
1749 err:
1750 X509_NAME_free(n);
1751 OPENSSL_free(work);
1752 return NULL;
1753 }
1754
1755 /*
1756 * Read whole contents of a BIO into an allocated memory buffer and return
1757 * it.
1758 */
1759
1760 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1761 {
1762 BIO *mem;
1763 int len, ret;
1764 unsigned char tbuf[1024];
1765
1766 mem = BIO_new(BIO_s_mem());
1767 if (mem == NULL)
1768 return -1;
1769 for (;;) {
1770 if ((maxlen != -1) && maxlen < 1024)
1771 len = maxlen;
1772 else
1773 len = 1024;
1774 len = BIO_read(in, tbuf, len);
1775 if (len < 0) {
1776 BIO_free(mem);
1777 return -1;
1778 }
1779 if (len == 0)
1780 break;
1781 if (BIO_write(mem, tbuf, len) != len) {
1782 BIO_free(mem);
1783 return -1;
1784 }
1785 maxlen -= len;
1786
1787 if (maxlen == 0)
1788 break;
1789 }
1790 ret = BIO_get_mem_data(mem, (char **)out);
1791 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1792 BIO_free(mem);
1793 return ret;
1794 }
1795
1796 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1797 {
1798 int rv;
1799 char *stmp, *vtmp = NULL;
1800 stmp = OPENSSL_strdup(value);
1801 if (!stmp)
1802 return -1;
1803 vtmp = strchr(stmp, ':');
1804 if (vtmp) {
1805 *vtmp = 0;
1806 vtmp++;
1807 }
1808 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1809 OPENSSL_free(stmp);
1810 return rv;
1811 }
1812
1813 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1814 {
1815 X509_POLICY_NODE *node;
1816 int i;
1817
1818 BIO_printf(bio_err, "%s Policies:", name);
1819 if (nodes) {
1820 BIO_puts(bio_err, "\n");
1821 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1822 node = sk_X509_POLICY_NODE_value(nodes, i);
1823 X509_POLICY_NODE_print(bio_err, node, 2);
1824 }
1825 } else {
1826 BIO_puts(bio_err, " <empty>\n");
1827 }
1828 }
1829
1830 void policies_print(X509_STORE_CTX *ctx)
1831 {
1832 X509_POLICY_TREE *tree;
1833 int explicit_policy;
1834 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1835 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1836
1837 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1838 explicit_policy ? "True" : "False");
1839
1840 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1841 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1842 }
1843
1844 /*-
1845 * next_protos_parse parses a comma separated list of strings into a string
1846 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
1847 * outlen: (output) set to the length of the resulting buffer on success.
1848 * err: (maybe NULL) on failure, an error message line is written to this BIO.
1849 * in: a NUL terminated string like "abc,def,ghi"
1850 *
1851 * returns: a malloc'd buffer or NULL on failure.
1852 */
1853 unsigned char *next_protos_parse(size_t *outlen, const char *in)
1854 {
1855 size_t len;
1856 unsigned char *out;
1857 size_t i, start = 0;
1858 size_t skipped = 0;
1859
1860 len = strlen(in);
1861 if (len == 0 || len >= 65535)
1862 return NULL;
1863
1864 out = app_malloc(len + 1, "NPN buffer");
1865 for (i = 0; i <= len; ++i) {
1866 if (i == len || in[i] == ',') {
1867 /*
1868 * Zero-length ALPN elements are invalid on the wire, we could be
1869 * strict and reject the entire string, but just ignoring extra
1870 * commas seems harmless and more friendly.
1871 *
1872 * Every comma we skip in this way puts the input buffer another
1873 * byte ahead of the output buffer, so all stores into the output
1874 * buffer need to be decremented by the number commas skipped.
1875 */
1876 if (i == start) {
1877 ++start;
1878 ++skipped;
1879 continue;
1880 }
1881 if (i - start > 255) {
1882 OPENSSL_free(out);
1883 return NULL;
1884 }
1885 out[start-skipped] = (unsigned char)(i - start);
1886 start = i + 1;
1887 } else {
1888 out[i + 1 - skipped] = in[i];
1889 }
1890 }
1891
1892 if (len <= skipped) {
1893 OPENSSL_free(out);
1894 return NULL;
1895 }
1896
1897 *outlen = len + 1 - skipped;
1898 return out;
1899 }
1900
1901 void print_cert_checks(BIO *bio, X509 *x,
1902 const char *checkhost,
1903 const char *checkemail, const char *checkip)
1904 {
1905 if (x == NULL)
1906 return;
1907 if (checkhost) {
1908 BIO_printf(bio, "Hostname %s does%s match certificate\n",
1909 checkhost,
1910 X509_check_host(x, checkhost, 0, 0, NULL) == 1
1911 ? "" : " NOT");
1912 }
1913
1914 if (checkemail) {
1915 BIO_printf(bio, "Email %s does%s match certificate\n",
1916 checkemail, X509_check_email(x, checkemail, 0, 0)
1917 ? "" : " NOT");
1918 }
1919
1920 if (checkip) {
1921 BIO_printf(bio, "IP %s does%s match certificate\n",
1922 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
1923 }
1924 }
1925
1926 /* Get first http URL from a DIST_POINT structure */
1927
1928 static const char *get_dp_url(DIST_POINT *dp)
1929 {
1930 GENERAL_NAMES *gens;
1931 GENERAL_NAME *gen;
1932 int i, gtype;
1933 ASN1_STRING *uri;
1934 if (!dp->distpoint || dp->distpoint->type != 0)
1935 return NULL;
1936 gens = dp->distpoint->name.fullname;
1937 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
1938 gen = sk_GENERAL_NAME_value(gens, i);
1939 uri = GENERAL_NAME_get0_value(gen, &gtype);
1940 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
1941 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
1942 if (strncmp(uptr, "http://", 7) == 0)
1943 return uptr;
1944 }
1945 }
1946 return NULL;
1947 }
1948
1949 /*
1950 * Look through a CRLDP structure and attempt to find an http URL to
1951 * downloads a CRL from.
1952 */
1953
1954 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
1955 {
1956 int i;
1957 const char *urlptr = NULL;
1958 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
1959 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
1960 urlptr = get_dp_url(dp);
1961 if (urlptr)
1962 return load_crl(urlptr, FORMAT_HTTP, "CRL via CDP");
1963 }
1964 return NULL;
1965 }
1966
1967 /*
1968 * Example of downloading CRLs from CRLDP:
1969 * not usable for real world as it always downloads and doesn't cache anything.
1970 */
1971
1972 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
1973 const X509_NAME *nm)
1974 {
1975 X509 *x;
1976 STACK_OF(X509_CRL) *crls = NULL;
1977 X509_CRL *crl;
1978 STACK_OF(DIST_POINT) *crldp;
1979
1980 crls = sk_X509_CRL_new_null();
1981 if (!crls)
1982 return NULL;
1983 x = X509_STORE_CTX_get_current_cert(ctx);
1984 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
1985 crl = load_crl_crldp(crldp);
1986 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
1987 if (!crl) {
1988 sk_X509_CRL_free(crls);
1989 return NULL;
1990 }
1991 sk_X509_CRL_push(crls, crl);
1992 /* Try to download delta CRL */
1993 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
1994 crl = load_crl_crldp(crldp);
1995 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
1996 if (crl)
1997 sk_X509_CRL_push(crls, crl);
1998 return crls;
1999 }
2000
2001 void store_setup_crl_download(X509_STORE *st)
2002 {
2003 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2004 }
2005
2006 #ifndef OPENSSL_NO_SOCK
2007 static const char *tls_error_hint(void)
2008 {
2009 unsigned long err = ERR_peek_error();
2010
2011 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2012 err = ERR_peek_last_error();
2013 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2014 return NULL;
2015
2016 switch (ERR_GET_REASON(err)) {
2017 case SSL_R_WRONG_VERSION_NUMBER:
2018 return "The server does not support (a suitable version of) TLS";
2019 case SSL_R_UNKNOWN_PROTOCOL:
2020 return "The server does not support HTTPS";
2021 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2022 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2023 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2024 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2025 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2026 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2027 default: /* no error or no hint available for error */
2028 return NULL;
2029 }
2030 }
2031
2032 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2033 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2034 {
2035 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2036 SSL_CTX *ssl_ctx = info->ssl_ctx;
2037 SSL *ssl;
2038 BIO *sbio = NULL;
2039
2040 if (connect && detail) { /* connecting with TLS */
2041 if ((info->use_proxy
2042 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2043 NULL, NULL, /* no proxy credentials */
2044 info->timeout, bio_err, opt_getprog()))
2045 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2046 return NULL;
2047 }
2048 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2049 BIO_free(sbio);
2050 return NULL;
2051 }
2052
2053 SSL_set_tlsext_host_name(ssl, info->server);
2054
2055 SSL_set_connect_state(ssl);
2056 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2057
2058 hbio = BIO_push(sbio, hbio);
2059 } else if (!connect && !detail) { /* disconnecting after error */
2060 const char *hint = tls_error_hint();
2061 if (hint != NULL)
2062 ERR_add_error_data(2, " : ", hint);
2063 /*
2064 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2065 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2066 */
2067 }
2068 return hbio;
2069 }
2070
2071 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2072 const char *no_proxy, SSL_CTX *ssl_ctx,
2073 const STACK_OF(CONF_VALUE) *headers,
2074 long timeout, const char *expected_content_type,
2075 const ASN1_ITEM *it)
2076 {
2077 APP_HTTP_TLS_INFO info;
2078 char *server;
2079 char *port;
2080 int use_ssl;
2081 ASN1_VALUE *resp = NULL;
2082
2083 if (url == NULL || it == NULL) {
2084 HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
2085 return NULL;
2086 }
2087
2088 if (!OSSL_HTTP_parse_url(url, &server, &port, NULL, NULL, &use_ssl))
2089 return NULL;
2090 if (use_ssl && ssl_ctx == NULL) {
2091 HTTPerr(0, ERR_R_PASSED_NULL_PARAMETER);
2092 ERR_add_error_data(1, "missing SSL_CTX");
2093 goto end;
2094 }
2095
2096 info.server = server;
2097 info.port = port;
2098 info.use_proxy = proxy != NULL;
2099 info.timeout = timeout;
2100 info.ssl_ctx = ssl_ctx;
2101 resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
2102 NULL, NULL, app_http_tls_cb, &info,
2103 headers, 0 /* maxline */, 0 /* max_resp_len */,
2104 timeout, expected_content_type, it);
2105 end:
2106 OPENSSL_free(server);
2107 OPENSSL_free(port);
2108 return resp;
2109
2110 }
2111
2112 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2113 const char *path, const char *proxy,
2114 const char *no_proxy, SSL_CTX *ssl_ctx,
2115 const STACK_OF(CONF_VALUE) *headers,
2116 const char *content_type,
2117 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2118 long timeout, const ASN1_ITEM *rsp_it)
2119 {
2120 APP_HTTP_TLS_INFO info;
2121
2122 info.server = host;
2123 info.port = port;
2124 info.use_proxy = proxy != NULL;
2125 info.timeout = timeout;
2126 info.ssl_ctx = ssl_ctx;
2127 return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
2128 proxy, no_proxy,
2129 NULL, NULL, app_http_tls_cb, &info,
2130 headers, content_type, req, req_it,
2131 0 /* maxline */,
2132 0 /* max_resp_len */, timeout, NULL, rsp_it);
2133 }
2134
2135 #endif
2136
2137 /*
2138 * Platform-specific sections
2139 */
2140 #if defined(_WIN32)
2141 # ifdef fileno
2142 # undef fileno
2143 # define fileno(a) (int)_fileno(a)
2144 # endif
2145
2146 # include <windows.h>
2147 # include <tchar.h>
2148
2149 static int WIN32_rename(const char *from, const char *to)
2150 {
2151 TCHAR *tfrom = NULL, *tto;
2152 DWORD err;
2153 int ret = 0;
2154
2155 if (sizeof(TCHAR) == 1) {
2156 tfrom = (TCHAR *)from;
2157 tto = (TCHAR *)to;
2158 } else { /* UNICODE path */
2159
2160 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2161 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2162 if (tfrom == NULL)
2163 goto err;
2164 tto = tfrom + flen;
2165 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2166 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2167 # endif
2168 for (i = 0; i < flen; i++)
2169 tfrom[i] = (TCHAR)from[i];
2170 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2171 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2172 # endif
2173 for (i = 0; i < tlen; i++)
2174 tto[i] = (TCHAR)to[i];
2175 }
2176
2177 if (MoveFile(tfrom, tto))
2178 goto ok;
2179 err = GetLastError();
2180 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2181 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2182 goto ok;
2183 err = GetLastError();
2184 }
2185 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2186 errno = ENOENT;
2187 else if (err == ERROR_ACCESS_DENIED)
2188 errno = EACCES;
2189 else
2190 errno = EINVAL; /* we could map more codes... */
2191 err:
2192 ret = -1;
2193 ok:
2194 if (tfrom != NULL && tfrom != (TCHAR *)from)
2195 free(tfrom);
2196 return ret;
2197 }
2198 #endif
2199
2200 /* app_tminterval section */
2201 #if defined(_WIN32)
2202 double app_tminterval(int stop, int usertime)
2203 {
2204 FILETIME now;
2205 double ret = 0;
2206 static ULARGE_INTEGER tmstart;
2207 static int warning = 1;
2208 # ifdef _WIN32_WINNT
2209 static HANDLE proc = NULL;
2210
2211 if (proc == NULL) {
2212 if (check_winnt())
2213 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2214 GetCurrentProcessId());
2215 if (proc == NULL)
2216 proc = (HANDLE) - 1;
2217 }
2218
2219 if (usertime && proc != (HANDLE) - 1) {
2220 FILETIME junk;
2221 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2222 } else
2223 # endif
2224 {
2225 SYSTEMTIME systime;
2226
2227 if (usertime && warning) {
2228 BIO_printf(bio_err, "To get meaningful results, run "
2229 "this program on idle system.\n");
2230 warning = 0;
2231 }
2232 GetSystemTime(&systime);
2233 SystemTimeToFileTime(&systime, &now);
2234 }
2235
2236 if (stop == TM_START) {
2237 tmstart.u.LowPart = now.dwLowDateTime;
2238 tmstart.u.HighPart = now.dwHighDateTime;
2239 } else {
2240 ULARGE_INTEGER tmstop;
2241
2242 tmstop.u.LowPart = now.dwLowDateTime;
2243 tmstop.u.HighPart = now.dwHighDateTime;
2244
2245 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2246 }
2247
2248 return ret;
2249 }
2250 #elif defined(OPENSSL_SYS_VXWORKS)
2251 # include <time.h>
2252
2253 double app_tminterval(int stop, int usertime)
2254 {
2255 double ret = 0;
2256 # ifdef CLOCK_REALTIME
2257 static struct timespec tmstart;
2258 struct timespec now;
2259 # else
2260 static unsigned long tmstart;
2261 unsigned long now;
2262 # endif
2263 static int warning = 1;
2264
2265 if (usertime && warning) {
2266 BIO_printf(bio_err, "To get meaningful results, run "
2267 "this program on idle system.\n");
2268 warning = 0;
2269 }
2270 # ifdef CLOCK_REALTIME
2271 clock_gettime(CLOCK_REALTIME, &now);
2272 if (stop == TM_START)
2273 tmstart = now;
2274 else
2275 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2276 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2277 # else
2278 now = tickGet();
2279 if (stop == TM_START)
2280 tmstart = now;
2281 else
2282 ret = (now - tmstart) / (double)sysClkRateGet();
2283 # endif
2284 return ret;
2285 }
2286
2287 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2288 # include <sys/times.h>
2289
2290 double app_tminterval(int stop, int usertime)
2291 {
2292 double ret = 0;
2293 struct tms rus;
2294 clock_t now = times(&rus);
2295 static clock_t tmstart;
2296
2297 if (usertime)
2298 now = rus.tms_utime;
2299
2300 if (stop == TM_START) {
2301 tmstart = now;
2302 } else {
2303 long int tck = sysconf(_SC_CLK_TCK);
2304 ret = (now - tmstart) / (double)tck;
2305 }
2306
2307 return ret;
2308 }
2309
2310 #else
2311 # include <sys/time.h>
2312 # include <sys/resource.h>
2313
2314 double app_tminterval(int stop, int usertime)
2315 {
2316 double ret = 0;
2317 struct rusage rus;
2318 struct timeval now;
2319 static struct timeval tmstart;
2320
2321 if (usertime)
2322 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2323 else
2324 gettimeofday(&now, NULL);
2325
2326 if (stop == TM_START)
2327 tmstart = now;
2328 else
2329 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2330 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2331
2332 return ret;
2333 }
2334 #endif
2335
2336 int app_access(const char* name, int flag)
2337 {
2338 #ifdef _WIN32
2339 return _access(name, flag);
2340 #else
2341 return access(name, flag);
2342 #endif
2343 }
2344
2345 int app_isdir(const char *name)
2346 {
2347 return opt_isdir(name);
2348 }
2349
2350 /* raw_read|write section */
2351 #if defined(__VMS)
2352 # include "vms_term_sock.h"
2353 static int stdin_sock = -1;
2354
2355 static void close_stdin_sock(void)
2356 {
2357 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2358 }
2359
2360 int fileno_stdin(void)
2361 {
2362 if (stdin_sock == -1) {
2363 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2364 atexit(close_stdin_sock);
2365 }
2366
2367 return stdin_sock;
2368 }
2369 #else
2370 int fileno_stdin(void)
2371 {
2372 return fileno(stdin);
2373 }
2374 #endif
2375
2376 int fileno_stdout(void)
2377 {
2378 return fileno(stdout);
2379 }
2380
2381 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2382 int raw_read_stdin(void *buf, int siz)
2383 {
2384 DWORD n;
2385 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2386 return n;
2387 else
2388 return -1;
2389 }
2390 #elif defined(__VMS)
2391 # include <sys/socket.h>
2392
2393 int raw_read_stdin(void *buf, int siz)
2394 {
2395 return recv(fileno_stdin(), buf, siz, 0);
2396 }
2397 #else
2398 # if defined(__TANDEM)
2399 # if defined(OPENSSL_TANDEM_FLOSS)
2400 # include <floss.h(floss_read)>
2401 # endif
2402 # endif
2403 int raw_read_stdin(void *buf, int siz)
2404 {
2405 return read(fileno_stdin(), buf, siz);
2406 }
2407 #endif
2408
2409 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2410 int raw_write_stdout(const void *buf, int siz)
2411 {
2412 DWORD n;
2413 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2414 return n;
2415 else
2416 return -1;
2417 }
2418 #elif defined(OPENSSL_SYSNAME_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2419 # if defined(__TANDEM)
2420 # if defined(OPENSSL_TANDEM_FLOSS)
2421 # include <floss.h(floss_write)>
2422 # endif
2423 # endif
2424 int raw_write_stdout(const void *buf,int siz)
2425 {
2426 return write(fileno(stdout),(void*)buf,siz);
2427 }
2428 #else
2429 # if defined(__TANDEM)
2430 # if defined(OPENSSL_TANDEM_FLOSS)
2431 # include <floss.h(floss_write)>
2432 # endif
2433 # endif
2434 int raw_write_stdout(const void *buf, int siz)
2435 {
2436 return write(fileno_stdout(), buf, siz);
2437 }
2438 #endif
2439
2440 /*
2441 * Centralized handling of input and output files with format specification
2442 * The format is meant to show what the input and output is supposed to be,
2443 * and is therefore a show of intent more than anything else. However, it
2444 * does impact behavior on some platforms, such as differentiating between
2445 * text and binary input/output on non-Unix platforms
2446 */
2447 BIO *dup_bio_in(int format)
2448 {
2449 return BIO_new_fp(stdin,
2450 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2451 }
2452
2453 BIO *dup_bio_out(int format)
2454 {
2455 BIO *b = BIO_new_fp(stdout,
2456 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2457 void *prefix = NULL;
2458
2459 #ifdef OPENSSL_SYS_VMS
2460 if (FMT_istext(format))
2461 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2462 #endif
2463
2464 if (FMT_istext(format)
2465 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2466 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2467 BIO_set_prefix(b, prefix);
2468 }
2469
2470 return b;
2471 }
2472
2473 BIO *dup_bio_err(int format)
2474 {
2475 BIO *b = BIO_new_fp(stderr,
2476 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2477 #ifdef OPENSSL_SYS_VMS
2478 if (FMT_istext(format))
2479 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2480 #endif
2481 return b;
2482 }
2483
2484 void unbuffer(FILE *fp)
2485 {
2486 /*
2487 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2488 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2489 * However, we trust that the C RTL will never give us a FILE pointer
2490 * above the first 4 GB of memory, so we simply turn off the warning
2491 * temporarily.
2492 */
2493 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2494 # pragma environment save
2495 # pragma message disable maylosedata2
2496 #endif
2497 setbuf(fp, NULL);
2498 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2499 # pragma environment restore
2500 #endif
2501 }
2502
2503 static const char *modestr(char mode, int format)
2504 {
2505 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2506
2507 switch (mode) {
2508 case 'a':
2509 return FMT_istext(format) ? "a" : "ab";
2510 case 'r':
2511 return FMT_istext(format) ? "r" : "rb";
2512 case 'w':
2513 return FMT_istext(format) ? "w" : "wb";
2514 }
2515 /* The assert above should make sure we never reach this point */
2516 return NULL;
2517 }
2518
2519 static const char *modeverb(char mode)
2520 {
2521 switch (mode) {
2522 case 'a':
2523 return "appending";
2524 case 'r':
2525 return "reading";
2526 case 'w':
2527 return "writing";
2528 }
2529 return "(doing something)";
2530 }
2531
2532 /*
2533 * Open a file for writing, owner-read-only.
2534 */
2535 BIO *bio_open_owner(const char *filename, int format, int private)
2536 {
2537 FILE *fp = NULL;
2538 BIO *b = NULL;
2539 int fd = -1, bflags, mode, textmode;
2540
2541 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2542 return bio_open_default(filename, 'w', format);
2543
2544 mode = O_WRONLY;
2545 #ifdef O_CREAT
2546 mode |= O_CREAT;
2547 #endif
2548 #ifdef O_TRUNC
2549 mode |= O_TRUNC;
2550 #endif
2551 textmode = FMT_istext(format);
2552 if (!textmode) {
2553 #ifdef O_BINARY
2554 mode |= O_BINARY;
2555 #elif defined(_O_BINARY)
2556 mode |= _O_BINARY;
2557 #endif
2558 }
2559
2560 #ifdef OPENSSL_SYS_VMS
2561 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2562 * it still needs to know that we're going binary, or fdopen()
2563 * will fail with "invalid argument"... so we tell VMS what the
2564 * context is.
2565 */
2566 if (!textmode)
2567 fd = open(filename, mode, 0600, "ctx=bin");
2568 else
2569 #endif
2570 fd = open(filename, mode, 0600);
2571 if (fd < 0)
2572 goto err;
2573 fp = fdopen(fd, modestr('w', format));
2574 if (fp == NULL)
2575 goto err;
2576 bflags = BIO_CLOSE;
2577 if (textmode)
2578 bflags |= BIO_FP_TEXT;
2579 b = BIO_new_fp(fp, bflags);
2580 if (b)
2581 return b;
2582
2583 err:
2584 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2585 opt_getprog(), filename, strerror(errno));
2586 ERR_print_errors(bio_err);
2587 /* If we have fp, then fdopen took over fd, so don't close both. */
2588 if (fp)
2589 fclose(fp);
2590 else if (fd >= 0)
2591 close(fd);
2592 return NULL;
2593 }
2594
2595 static BIO *bio_open_default_(const char *filename, char mode, int format,
2596 int quiet)
2597 {
2598 BIO *ret;
2599
2600 if (filename == NULL || strcmp(filename, "-") == 0) {
2601 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2602 if (quiet) {
2603 ERR_clear_error();
2604 return ret;
2605 }
2606 if (ret != NULL)
2607 return ret;
2608 BIO_printf(bio_err,
2609 "Can't open %s, %s\n",
2610 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2611 } else {
2612 ret = BIO_new_file(filename, modestr(mode, format));
2613 if (quiet) {
2614 ERR_clear_error();
2615 return ret;
2616 }
2617 if (ret != NULL)
2618 return ret;
2619 BIO_printf(bio_err,
2620 "Can't open %s for %s, %s\n",
2621 filename, modeverb(mode), strerror(errno));
2622 }
2623 ERR_print_errors(bio_err);
2624 return NULL;
2625 }
2626
2627 BIO *bio_open_default(const char *filename, char mode, int format)
2628 {
2629 return bio_open_default_(filename, mode, format, 0);
2630 }
2631
2632 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2633 {
2634 return bio_open_default_(filename, mode, format, 1);
2635 }
2636
2637 void wait_for_async(SSL *s)
2638 {
2639 /* On Windows select only works for sockets, so we simply don't wait */
2640 #ifndef OPENSSL_SYS_WINDOWS
2641 int width = 0;
2642 fd_set asyncfds;
2643 OSSL_ASYNC_FD *fds;
2644 size_t numfds;
2645 size_t i;
2646
2647 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2648 return;
2649 if (numfds == 0)
2650 return;
2651 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
2652 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
2653 OPENSSL_free(fds);
2654 return;
2655 }
2656
2657 FD_ZERO(&asyncfds);
2658 for (i = 0; i < numfds; i++) {
2659 if (width <= (int)fds[i])
2660 width = (int)fds[i] + 1;
2661 openssl_fdset((int)fds[i], &asyncfds);
2662 }
2663 select(width, (void *)&asyncfds, NULL, NULL, NULL);
2664 OPENSSL_free(fds);
2665 #endif
2666 }
2667
2668 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
2669 #if defined(OPENSSL_SYS_MSDOS)
2670 int has_stdin_waiting(void)
2671 {
2672 # if defined(OPENSSL_SYS_WINDOWS)
2673 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
2674 DWORD events = 0;
2675 INPUT_RECORD inputrec;
2676 DWORD insize = 1;
2677 BOOL peeked;
2678
2679 if (inhand == INVALID_HANDLE_VALUE) {
2680 return 0;
2681 }
2682
2683 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
2684 if (!peeked) {
2685 /* Probably redirected input? _kbhit() does not work in this case */
2686 if (!feof(stdin)) {
2687 return 1;
2688 }
2689 return 0;
2690 }
2691 # endif
2692 return _kbhit();
2693 }
2694 #endif
2695
2696 /* Corrupt a signature by modifying final byte */
2697 void corrupt_signature(const ASN1_STRING *signature)
2698 {
2699 unsigned char *s = signature->data;
2700 s[signature->length - 1] ^= 0x1;
2701 }
2702
2703 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
2704 int days)
2705 {
2706 if (startdate == NULL || strcmp(startdate, "today") == 0) {
2707 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
2708 return 0;
2709 } else {
2710 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
2711 return 0;
2712 }
2713 if (enddate == NULL) {
2714 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
2715 == NULL)
2716 return 0;
2717 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
2718 return 0;
2719 }
2720 return 1;
2721 }
2722
2723 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
2724 {
2725 int ret = 0;
2726 ASN1_TIME *tm = ASN1_TIME_new();
2727
2728 if (tm == NULL)
2729 goto end;
2730
2731 if (lastupdate == NULL) {
2732 if (X509_gmtime_adj(tm, 0) == NULL)
2733 goto end;
2734 } else {
2735 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
2736 goto end;
2737 }
2738
2739 if (!X509_CRL_set1_lastUpdate(crl, tm))
2740 goto end;
2741
2742 ret = 1;
2743 end:
2744 ASN1_TIME_free(tm);
2745 return ret;
2746 }
2747
2748 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
2749 long days, long hours, long secs)
2750 {
2751 int ret = 0;
2752 ASN1_TIME *tm = ASN1_TIME_new();
2753
2754 if (tm == NULL)
2755 goto end;
2756
2757 if (nextupdate == NULL) {
2758 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
2759 goto end;
2760 } else {
2761 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
2762 goto end;
2763 }
2764
2765 if (!X509_CRL_set1_nextUpdate(crl, tm))
2766 goto end;
2767
2768 ret = 1;
2769 end:
2770 ASN1_TIME_free(tm);
2771 return ret;
2772 }
2773
2774 void make_uppercase(char *string)
2775 {
2776 int i;
2777
2778 for (i = 0; string[i] != '\0'; i++)
2779 string[i] = toupper((unsigned char)string[i]);
2780 }
2781
2782 int opt_printf_stderr(const char *fmt, ...)
2783 {
2784 va_list ap;
2785 int ret;
2786
2787 va_start(ap, fmt);
2788 ret = BIO_vprintf(bio_err, fmt, ap);
2789 va_end(ap);
2790 return ret;
2791 }
2792
2793 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
2794 const OSSL_PARAM *paramdefs)
2795 {
2796 OSSL_PARAM *params = NULL;
2797 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
2798 size_t params_n;
2799 char *opt = "", *stmp, *vtmp = NULL;
2800 int found = 1;
2801
2802 if (opts == NULL)
2803 return NULL;
2804
2805 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
2806 if (params == NULL)
2807 return NULL;
2808
2809 for (params_n = 0; params_n < sz; params_n++) {
2810 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
2811 if ((stmp = OPENSSL_strdup(opt)) == NULL
2812 || (vtmp = strchr(stmp, ':')) == NULL)
2813 goto err;
2814 /* Replace ':' with 0 to terminate the string pointed to by stmp */
2815 *vtmp = 0;
2816 /* Skip over the separator so that vmtp points to the value */
2817 vtmp++;
2818 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
2819 stmp, vtmp, strlen(vtmp), &found))
2820 goto err;
2821 OPENSSL_free(stmp);
2822 }
2823 params[params_n] = OSSL_PARAM_construct_end();
2824 return params;
2825 err:
2826 OPENSSL_free(stmp);
2827 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
2828 opt);
2829 ERR_print_errors(bio_err);
2830 app_params_free(params);
2831 return NULL;
2832 }
2833
2834 void app_params_free(OSSL_PARAM *params)
2835 {
2836 int i;
2837
2838 if (params != NULL) {
2839 for (i = 0; params[i].key != NULL; ++i)
2840 OPENSSL_free(params[i].data);
2841 OPENSSL_free(params);
2842 }
2843 }