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APPS load_key_certs_crls(): Correct the 'expect' arg calculation for OSSL_STORE_expect()
[thirdparty/openssl.git] / apps / lib / apps.c
1 /*
2 * Copyright 1995-2021 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/http.h>
32 #include <openssl/pem.h>
33 #include <openssl/store.h>
34 #include <openssl/pkcs12.h>
35 #include <openssl/ui.h>
36 #include <openssl/safestack.h>
37 #include <openssl/rsa.h>
38 #include <openssl/bn.h>
39 #include <openssl/ssl.h>
40 #include <openssl/store.h>
41 #include "s_apps.h"
42 #include "apps.h"
43
44 #ifdef _WIN32
45 static int WIN32_rename(const char *from, const char *to);
46 # define rename(from,to) WIN32_rename((from),(to))
47 #endif
48
49 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
50 # include <conio.h>
51 #endif
52
53 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
54 # define _kbhit kbhit
55 #endif
56
57 static BIO *bio_open_default_(const char *filename, char mode, int format,
58 int quiet);
59
60 #define PASS_SOURCE_SIZE_MAX 4
61
62 DEFINE_STACK_OF(CONF)
63
64 typedef struct {
65 const char *name;
66 unsigned long flag;
67 unsigned long mask;
68 } NAME_EX_TBL;
69
70 static OSSL_LIB_CTX *app_libctx = NULL;
71
72 static int set_table_opts(unsigned long *flags, const char *arg,
73 const NAME_EX_TBL * in_tbl);
74 static int set_multi_opts(unsigned long *flags, const char *arg,
75 const NAME_EX_TBL * in_tbl);
76
77 int app_init(long mesgwin);
78
79 int chopup_args(ARGS *arg, char *buf)
80 {
81 int quoted;
82 char c = '\0', *p = NULL;
83
84 arg->argc = 0;
85 if (arg->size == 0) {
86 arg->size = 20;
87 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
88 }
89
90 for (p = buf;;) {
91 /* Skip whitespace. */
92 while (*p && isspace(_UC(*p)))
93 p++;
94 if (*p == '\0')
95 break;
96
97 /* The start of something good :-) */
98 if (arg->argc >= arg->size) {
99 char **tmp;
100 arg->size += 20;
101 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
102 if (tmp == NULL)
103 return 0;
104 arg->argv = tmp;
105 }
106 quoted = *p == '\'' || *p == '"';
107 if (quoted)
108 c = *p++;
109 arg->argv[arg->argc++] = p;
110
111 /* now look for the end of this */
112 if (quoted) {
113 while (*p && *p != c)
114 p++;
115 *p++ = '\0';
116 } else {
117 while (*p && !isspace(_UC(*p)))
118 p++;
119 if (*p)
120 *p++ = '\0';
121 }
122 }
123 arg->argv[arg->argc] = NULL;
124 return 1;
125 }
126
127 #ifndef APP_INIT
128 int app_init(long mesgwin)
129 {
130 return 1;
131 }
132 #endif
133
134 int ctx_set_verify_locations(SSL_CTX *ctx,
135 const char *CAfile, int noCAfile,
136 const char *CApath, int noCApath,
137 const char *CAstore, int noCAstore)
138 {
139 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
140 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
141 return 0;
142 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
143 return 0;
144 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
145 return 0;
146
147 return 1;
148 }
149
150 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
151 return 0;
152 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
153 return 0;
154 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
155 return 0;
156 return 1;
157 }
158
159 #ifndef OPENSSL_NO_CT
160
161 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
162 {
163 if (path == NULL)
164 return SSL_CTX_set_default_ctlog_list_file(ctx);
165
166 return SSL_CTX_set_ctlog_list_file(ctx, path);
167 }
168
169 #endif
170
171 static unsigned long nmflag = 0;
172 static char nmflag_set = 0;
173
174 int set_nameopt(const char *arg)
175 {
176 int ret = set_name_ex(&nmflag, arg);
177
178 if (ret)
179 nmflag_set = 1;
180
181 return ret;
182 }
183
184 unsigned long get_nameopt(void)
185 {
186 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
187 }
188
189 int dump_cert_text(BIO *out, X509 *x)
190 {
191 print_name(out, "subject=", X509_get_subject_name(x));
192 BIO_puts(out, "\n");
193 print_name(out, "issuer=", X509_get_issuer_name(x));
194 BIO_puts(out, "\n");
195
196 return 0;
197 }
198
199 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
200 {
201 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
202 }
203
204
205 static char *app_get_pass(const char *arg, int keepbio);
206
207 char *get_passwd(const char *pass, const char *desc)
208 {
209 char *result = NULL;
210
211 if (desc == NULL)
212 desc = "<unknown>";
213 if (!app_passwd(pass, NULL, &result, NULL))
214 BIO_printf(bio_err, "Error getting password for %s\n", desc);
215 if (pass != NULL && result == NULL) {
216 BIO_printf(bio_err,
217 "Trying plain input string (better precede with 'pass:')\n");
218 result = OPENSSL_strdup(pass);
219 if (result == NULL)
220 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
221 }
222 return result;
223 }
224
225 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
226 {
227 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
228
229 if (arg1 != NULL) {
230 *pass1 = app_get_pass(arg1, same);
231 if (*pass1 == NULL)
232 return 0;
233 } else if (pass1 != NULL) {
234 *pass1 = NULL;
235 }
236 if (arg2 != NULL) {
237 *pass2 = app_get_pass(arg2, same ? 2 : 0);
238 if (*pass2 == NULL)
239 return 0;
240 } else if (pass2 != NULL) {
241 *pass2 = NULL;
242 }
243 return 1;
244 }
245
246 static char *app_get_pass(const char *arg, int keepbio)
247 {
248 static BIO *pwdbio = NULL;
249 char *tmp, tpass[APP_PASS_LEN];
250 int i;
251
252 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
253 if (strncmp(arg, "pass:", 5) == 0)
254 return OPENSSL_strdup(arg + 5);
255 if (strncmp(arg, "env:", 4) == 0) {
256 tmp = getenv(arg + 4);
257 if (tmp == NULL) {
258 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
259 return NULL;
260 }
261 return OPENSSL_strdup(tmp);
262 }
263 if (!keepbio || pwdbio == NULL) {
264 if (strncmp(arg, "file:", 5) == 0) {
265 pwdbio = BIO_new_file(arg + 5, "r");
266 if (pwdbio == NULL) {
267 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
268 return NULL;
269 }
270 #if !defined(_WIN32)
271 /*
272 * Under _WIN32, which covers even Win64 and CE, file
273 * descriptors referenced by BIO_s_fd are not inherited
274 * by child process and therefore below is not an option.
275 * It could have been an option if bss_fd.c was operating
276 * on real Windows descriptors, such as those obtained
277 * with CreateFile.
278 */
279 } else if (strncmp(arg, "fd:", 3) == 0) {
280 BIO *btmp;
281 i = atoi(arg + 3);
282 if (i >= 0)
283 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
284 if ((i < 0) || !pwdbio) {
285 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
286 return NULL;
287 }
288 /*
289 * Can't do BIO_gets on an fd BIO so add a buffering BIO
290 */
291 btmp = BIO_new(BIO_f_buffer());
292 pwdbio = BIO_push(btmp, pwdbio);
293 #endif
294 } else if (strcmp(arg, "stdin") == 0) {
295 pwdbio = dup_bio_in(FORMAT_TEXT);
296 if (pwdbio == NULL) {
297 BIO_printf(bio_err, "Can't open BIO for stdin\n");
298 return NULL;
299 }
300 } else {
301 /* argument syntax error; do not reveal too much about arg */
302 tmp = strchr(arg, ':');
303 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
304 BIO_printf(bio_err,
305 "Invalid password argument, missing ':' within the first %d chars\n",
306 PASS_SOURCE_SIZE_MAX + 1);
307 else
308 BIO_printf(bio_err,
309 "Invalid password argument, starting with \"%.*s\"\n",
310 (int)(tmp - arg + 1), arg);
311 return NULL;
312 }
313 }
314 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
315 if (keepbio != 1) {
316 BIO_free_all(pwdbio);
317 pwdbio = NULL;
318 }
319 if (i <= 0) {
320 BIO_printf(bio_err, "Error reading password from BIO\n");
321 return NULL;
322 }
323 tmp = strchr(tpass, '\n');
324 if (tmp != NULL)
325 *tmp = 0;
326 return OPENSSL_strdup(tpass);
327 }
328
329 OSSL_LIB_CTX *app_get0_libctx(void)
330 {
331 return app_libctx;
332 }
333
334 static const char *app_propq = NULL;
335
336 int app_set_propq(const char *arg)
337 {
338 app_propq = arg;
339 return 1;
340 }
341
342 const char *app_get0_propq(void)
343 {
344 return app_propq;
345 }
346
347 OSSL_LIB_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 = OSSL_LIB_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_ex(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_verbose(const char *filename, int verbose)
393 {
394 if (verbose) {
395 if (*filename == '\0')
396 BIO_printf(bio_err, "No configuration used\n");
397 else
398 BIO_printf(bio_err, "Using configuration from %s\n", filename);
399 }
400 return app_load_config_internal(filename, 0);
401 }
402
403 CONF *app_load_config_internal(const char *filename, int quiet)
404 {
405 BIO *in = NULL; /* leads to empty config in case filename == "" */
406 CONF *conf;
407
408 if (*filename != '\0'
409 && (in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
410 return NULL;
411 conf = app_load_config_bio(in, filename);
412 BIO_free(in);
413 return conf;
414 }
415
416 int app_load_modules(const CONF *config)
417 {
418 CONF *to_free = NULL;
419
420 if (config == NULL)
421 config = to_free = app_load_config_quiet(default_config_file);
422 if (config == NULL)
423 return 1;
424
425 if (CONF_modules_load(config, NULL, 0) <= 0) {
426 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
427 ERR_print_errors(bio_err);
428 NCONF_free(to_free);
429 return 0;
430 }
431 NCONF_free(to_free);
432 return 1;
433 }
434
435 int add_oid_section(CONF *conf)
436 {
437 char *p;
438 STACK_OF(CONF_VALUE) *sktmp;
439 CONF_VALUE *cnf;
440 int i;
441
442 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
443 ERR_clear_error();
444 return 1;
445 }
446 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
447 BIO_printf(bio_err, "problem loading oid section %s\n", p);
448 return 0;
449 }
450 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
451 cnf = sk_CONF_VALUE_value(sktmp, i);
452 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
453 BIO_printf(bio_err, "problem creating object %s=%s\n",
454 cnf->name, cnf->value);
455 return 0;
456 }
457 }
458 return 1;
459 }
460
461 CONF *app_load_config_modules(const char *configfile)
462 {
463 CONF *conf = NULL;
464
465 if (configfile != NULL) {
466 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
467 return NULL;
468 if (configfile != default_config_file && !app_load_modules(conf)) {
469 NCONF_free(conf);
470 conf = NULL;
471 }
472 }
473 return conf;
474 }
475
476 #define IS_HTTP(uri) ((uri) != NULL \
477 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0)
478 #define IS_HTTPS(uri) ((uri) != NULL \
479 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0)
480
481 X509 *load_cert_pass(const char *uri, int maybe_stdin,
482 const char *pass, const char *desc)
483 {
484 X509 *cert = NULL;
485
486 if (desc == NULL)
487 desc = "certificate";
488 if (IS_HTTPS(uri))
489 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
490 else if (IS_HTTP(uri))
491 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
492 else
493 (void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
494 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
495 if (cert == NULL) {
496 BIO_printf(bio_err, "Unable to load %s\n", desc);
497 ERR_print_errors(bio_err);
498 }
499 return cert;
500 }
501
502 X509_CRL *load_crl(const char *uri, int maybe_stdin, const char *desc)
503 {
504 X509_CRL *crl = NULL;
505
506 if (desc == NULL)
507 desc = "CRL";
508 if (IS_HTTPS(uri))
509 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
510 else if (IS_HTTP(uri))
511 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
512 else
513 (void)load_key_certs_crls(uri, maybe_stdin, NULL, desc,
514 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
515 if (crl == NULL) {
516 BIO_printf(bio_err, "Unable to load %s\n", desc);
517 ERR_print_errors(bio_err);
518 }
519 return crl;
520 }
521
522 X509_REQ *load_csr(const char *file, int format, const char *desc)
523 {
524 X509_REQ *req = NULL;
525 BIO *in;
526
527 if (desc == NULL)
528 desc = "CSR";
529 in = bio_open_default(file, 'r', format);
530 if (in == NULL)
531 goto end;
532
533 if (format == FORMAT_ASN1)
534 req = d2i_X509_REQ_bio(in, NULL);
535 else if (format == FORMAT_PEM)
536 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
537 else
538 print_format_error(format, OPT_FMT_PEMDER);
539
540 end:
541 if (req == NULL) {
542 BIO_printf(bio_err, "Unable to load %s\n", desc);
543 ERR_print_errors(bio_err);
544 }
545 BIO_free(in);
546 return req;
547 }
548
549 void cleanse(char *str)
550 {
551 if (str != NULL)
552 OPENSSL_cleanse(str, strlen(str));
553 }
554
555 void clear_free(char *str)
556 {
557 if (str != NULL)
558 OPENSSL_clear_free(str, strlen(str));
559 }
560
561 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
562 const char *pass, ENGINE *e, const char *desc)
563 {
564 EVP_PKEY *pkey = NULL;
565 char *allocated_uri = NULL;
566
567 if (desc == NULL)
568 desc = "private key";
569
570 if (format == FORMAT_ENGINE) {
571 uri = allocated_uri = make_engine_uri(e, uri, desc);
572 }
573 (void)load_key_certs_crls(uri, may_stdin, pass, desc,
574 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
575
576 OPENSSL_free(allocated_uri);
577 return pkey;
578 }
579
580 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
581 const char *pass, ENGINE *e, const char *desc)
582 {
583 EVP_PKEY *pkey = NULL;
584 char *allocated_uri = NULL;
585
586 if (desc == NULL)
587 desc = "public key";
588
589 if (format == FORMAT_ENGINE) {
590 uri = allocated_uri = make_engine_uri(e, uri, desc);
591 }
592 (void)load_key_certs_crls(uri, maybe_stdin, pass, desc,
593 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
594
595 OPENSSL_free(allocated_uri);
596 return pkey;
597 }
598
599 EVP_PKEY *load_keyparams(const char *uri, int maybe_stdin, const char *keytype,
600 const char *desc)
601 {
602 EVP_PKEY *params = NULL;
603
604 if (desc == NULL)
605 desc = "key parameters";
606
607 (void)load_key_certs_crls(uri, maybe_stdin, NULL, desc,
608 NULL, NULL, &params, NULL, NULL, NULL, NULL);
609 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
610 BIO_printf(bio_err,
611 "Unable to load %s from %s (unexpected parameters type)\n",
612 desc, uri);
613 ERR_print_errors(bio_err);
614 EVP_PKEY_free(params);
615 params = NULL;
616 }
617 return params;
618 }
619
620 void app_bail_out(char *fmt, ...)
621 {
622 va_list args;
623
624 va_start(args, fmt);
625 BIO_vprintf(bio_err, fmt, args);
626 va_end(args);
627 ERR_print_errors(bio_err);
628 exit(1);
629 }
630
631 void *app_malloc(size_t sz, const char *what)
632 {
633 void *vp = OPENSSL_malloc(sz);
634
635 if (vp == NULL)
636 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
637 opt_getprog(), sz, what);
638 return vp;
639 }
640
641 char *next_item(char *opt) /* in list separated by comma and/or space */
642 {
643 /* advance to separator (comma or whitespace), if any */
644 while (*opt != ',' && !isspace(*opt) && *opt != '\0')
645 opt++;
646 if (*opt != '\0') {
647 /* terminate current item */
648 *opt++ = '\0';
649 /* skip over any whitespace after separator */
650 while (isspace(*opt))
651 opt++;
652 }
653 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
654 }
655
656 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
657 {
658 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
659
660 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
661 uri, subj, msg);
662 OPENSSL_free(subj);
663 }
664
665 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
666 X509_VERIFY_PARAM *vpm)
667 {
668 uint32_t ex_flags = X509_get_extension_flags(cert);
669 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
670 X509_get0_notAfter(cert));
671
672 if (res != 0)
673 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
674 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
675 warn_cert_msg(uri, cert, "is not a CA cert");
676 }
677
678 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
679 X509_VERIFY_PARAM *vpm)
680 {
681 int i;
682
683 for (i = 0; i < sk_X509_num(certs); i++)
684 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
685 }
686
687 int load_cert_certs(const char *uri,
688 X509 **pcert, STACK_OF(X509) **pcerts,
689 int exclude_http, const char *pass, const char *desc,
690 X509_VERIFY_PARAM *vpm)
691 {
692 int ret = 0;
693 char *pass_string;
694
695 if (exclude_http && (strncasecmp(uri, "http://", 7) == 0
696 || strncasecmp(uri, "https://", 8) == 0)) {
697 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
698 return ret;
699 }
700 pass_string = get_passwd(pass, desc);
701 ret = load_key_certs_crls(uri, 0, pass_string, desc, NULL, NULL, NULL,
702 pcert, pcerts, NULL, NULL);
703 clear_free(pass_string);
704
705 if (ret) {
706 if (pcert != NULL)
707 warn_cert(uri, *pcert, 0, vpm);
708 warn_certs(uri, *pcerts, 1, vpm);
709 } else {
710 sk_X509_pop_free(*pcerts, X509_free);
711 *pcerts = NULL;
712 }
713 return ret;
714 }
715
716 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
717 const char *desc, X509_VERIFY_PARAM *vpm)
718 {
719 STACK_OF(X509) *certs = NULL;
720 STACK_OF(X509) *result = sk_X509_new_null();
721
722 if (files == NULL)
723 goto err;
724 if (result == NULL)
725 goto oom;
726
727 while (files != NULL) {
728 char *next = next_item(files);
729
730 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
731 goto err;
732 if (!X509_add_certs(result, certs,
733 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
734 goto oom;
735 sk_X509_pop_free(certs, X509_free);
736 certs = NULL;
737 files = next;
738 }
739 return result;
740
741 oom:
742 BIO_printf(bio_err, "out of memory\n");
743 err:
744 sk_X509_pop_free(certs, X509_free);
745 sk_X509_pop_free(result, X509_free);
746 return NULL;
747 }
748
749 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
750 const STACK_OF(X509) *certs /* may NULL */)
751 {
752 int i;
753
754 if (store == NULL)
755 store = X509_STORE_new();
756 if (store == NULL)
757 return NULL;
758 for (i = 0; i < sk_X509_num(certs); i++) {
759 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
760 X509_STORE_free(store);
761 return NULL;
762 }
763 }
764 return store;
765 }
766
767 /*
768 * Create cert store structure with certificates read from given file(s).
769 * Returns pointer to created X509_STORE on success, NULL on error.
770 */
771 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
772 X509_VERIFY_PARAM *vpm)
773 {
774 X509_STORE *store = NULL;
775 STACK_OF(X509) *certs = NULL;
776
777 while (input != NULL) {
778 char *next = next_item(input);
779 int ok;
780
781 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
782 X509_STORE_free(store);
783 return NULL;
784 }
785 ok = (store = sk_X509_to_store(store, certs)) != NULL;
786 sk_X509_pop_free(certs, X509_free);
787 certs = NULL;
788 if (!ok)
789 return NULL;
790 input = next;
791 }
792 return store;
793 }
794
795 /*
796 * Initialize or extend, if *certs != NULL, a certificate stack.
797 * The caller is responsible for freeing *certs if its value is left not NULL.
798 */
799 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
800 const char *pass, const char *desc)
801 {
802 int was_NULL = *certs == NULL;
803 int ret = load_key_certs_crls(uri, maybe_stdin, pass, desc, NULL, NULL,
804 NULL, NULL, certs, NULL, NULL);
805
806 if (!ret && was_NULL) {
807 sk_X509_pop_free(*certs, X509_free);
808 *certs = NULL;
809 }
810 return ret;
811 }
812
813 /*
814 * Initialize or extend, if *crls != NULL, a certificate stack.
815 * The caller is responsible for freeing *crls if its value is left not NULL.
816 */
817 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
818 const char *pass, const char *desc)
819 {
820 int was_NULL = *crls == NULL;
821 int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL, NULL,
822 NULL, NULL, NULL, crls);
823
824 if (!ret && was_NULL) {
825 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
826 *crls = NULL;
827 }
828 return ret;
829 }
830
831 /* Set type expectation, but clear it if objects of different types expected. */
832 #define SET_EXPECT(val) expect = expect < 0 ? val : (expect == val ? val : 0);
833 /*
834 * Load those types of credentials for which the result pointer is not NULL.
835 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
836 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
837 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
838 * If pcerts is non-NULL then all available certificates are appended to *pcerts
839 * except any certificate assigned to *pcert.
840 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
841 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
842 * except any CRL assigned to *pcrl.
843 * In any case (also on error) the caller is responsible for freeing all members
844 * of *pcerts and *pcrls (as far as they are not NULL).
845 */
846 int load_key_certs_crls(const char *uri, int maybe_stdin,
847 const char *pass, const char *desc,
848 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
849 EVP_PKEY **pparams,
850 X509 **pcert, STACK_OF(X509) **pcerts,
851 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
852 {
853 PW_CB_DATA uidata;
854 OSSL_STORE_CTX *ctx = NULL;
855 OSSL_LIB_CTX *libctx = app_get0_libctx();
856 const char *propq = app_get0_propq();
857 int ncerts = 0;
858 int ncrls = 0;
859 const char *failed =
860 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
861 pparams != NULL ? "params" : pcert != NULL ? "cert" :
862 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
863 pcrls != NULL ? "CRLs" : NULL;
864 int cnt_expectations = 0;
865 int expect = -1;
866 /* TODO make use of the engine reference 'eng' when loading pkeys */
867
868 if (ppkey != NULL) {
869 *ppkey = NULL;
870 cnt_expectations++;
871 SET_EXPECT(OSSL_STORE_INFO_PKEY);
872 }
873 if (ppubkey != NULL) {
874 *ppubkey = NULL;
875 cnt_expectations++;
876 SET_EXPECT(OSSL_STORE_INFO_PUBKEY);
877 }
878 if (pparams != NULL) {
879 *pparams = NULL;
880 cnt_expectations++;
881 SET_EXPECT(OSSL_STORE_INFO_PARAMS);
882 }
883 if (pcert != NULL) {
884 *pcert = NULL;
885 cnt_expectations++;
886 SET_EXPECT(OSSL_STORE_INFO_CERT);
887 }
888 if (pcerts != NULL) {
889 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
890 BIO_printf(bio_err, "Out of memory loading");
891 goto end;
892 }
893 cnt_expectations++;
894 SET_EXPECT(OSSL_STORE_INFO_CERT);
895 }
896 if (pcrl != NULL) {
897 *pcrl = NULL;
898 cnt_expectations++;
899 SET_EXPECT(OSSL_STORE_INFO_CRL);
900 }
901 if (pcrls != NULL) {
902 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
903 BIO_printf(bio_err, "Out of memory loading");
904 goto end;
905 }
906 cnt_expectations++;
907 SET_EXPECT(OSSL_STORE_INFO_CRL);
908 }
909 if (cnt_expectations == 0) {
910 BIO_printf(bio_err, "Internal error: nothing to load from %s\n",
911 uri != NULL ? uri : "<stdin>");
912 return 0;
913 }
914
915 uidata.password = pass;
916 uidata.prompt_info = uri;
917
918 if (uri == NULL) {
919 BIO *bio;
920
921 if (!maybe_stdin) {
922 BIO_printf(bio_err, "No filename or uri specified for loading");
923 goto end;
924 }
925 uri = "<stdin>";
926 unbuffer(stdin);
927 bio = BIO_new_fp(stdin, 0);
928 if (bio != NULL) {
929 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
930 get_ui_method(), &uidata, NULL, NULL);
931 BIO_free(bio);
932 }
933 } else {
934 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
935 NULL, NULL);
936 }
937 if (ctx == NULL) {
938 BIO_printf(bio_err, "Could not open file or uri for loading");
939 goto end;
940 }
941 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
942 goto end;
943
944 failed = NULL;
945 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
946 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
947 int type, ok = 1;
948
949 /*
950 * This can happen (for example) if we attempt to load a file with
951 * multiple different types of things in it - but the thing we just
952 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
953 * to load a certificate but the file has both the private key and the
954 * certificate in it. We just retry until eof.
955 */
956 if (info == NULL) {
957 if (OSSL_STORE_error(ctx)) {
958 ERR_print_errors(bio_err);
959 ERR_clear_error();
960 }
961 continue;
962 }
963
964 type = OSSL_STORE_INFO_get_type(info);
965 switch (type) {
966 case OSSL_STORE_INFO_PKEY:
967 if (ppkey != NULL && *ppkey == NULL) {
968 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
969 cnt_expectations -= ok;
970 }
971 /*
972 * An EVP_PKEY with private parts also holds the public parts,
973 * so if the caller asked for a public key, and we got a private
974 * key, we can still pass it back.
975 */
976 if (ok && ppubkey != NULL && *ppubkey == NULL) {
977 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
978 cnt_expectations -= ok;
979 }
980 break;
981 case OSSL_STORE_INFO_PUBKEY:
982 if (ppubkey != NULL && *ppubkey == NULL) {
983 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
984 cnt_expectations -= ok;
985 }
986 break;
987 case OSSL_STORE_INFO_PARAMS:
988 if (pparams != NULL && *pparams == NULL) {
989 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
990 cnt_expectations -= ok;
991 }
992 break;
993 case OSSL_STORE_INFO_CERT:
994 if (pcert != NULL && *pcert == NULL) {
995 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
996 cnt_expectations -= ok;
997 }
998 else if (pcerts != NULL)
999 ok = X509_add_cert(*pcerts,
1000 OSSL_STORE_INFO_get1_CERT(info),
1001 X509_ADD_FLAG_DEFAULT);
1002 ncerts += ok;
1003 break;
1004 case OSSL_STORE_INFO_CRL:
1005 if (pcrl != NULL && *pcrl == NULL) {
1006 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1007 cnt_expectations -= ok;
1008 }
1009 else if (pcrls != NULL)
1010 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1011 ncrls += ok;
1012 break;
1013 default:
1014 /* skip any other type */
1015 break;
1016 }
1017 OSSL_STORE_INFO_free(info);
1018 if (!ok) {
1019 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1020 BIO_printf(bio_err, "Error reading");
1021 break;
1022 }
1023 }
1024
1025 end:
1026 OSSL_STORE_close(ctx);
1027 if (failed == NULL) {
1028 int any = 0;
1029
1030 if ((ppkey != NULL && *ppkey == NULL)
1031 || (ppubkey != NULL && *ppubkey == NULL)) {
1032 failed = "key";
1033 } else if (pparams != NULL && *pparams == NULL) {
1034 failed = "params";
1035 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1036 if (pcert == NULL)
1037 any = 1;
1038 failed = "cert";
1039 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1040 if (pcrl == NULL)
1041 any = 1;
1042 failed = "CRL";
1043 }
1044 if (failed != NULL)
1045 BIO_printf(bio_err, "Could not read");
1046 if (any)
1047 BIO_printf(bio_err, " any");
1048 }
1049 if (failed != NULL) {
1050 if (desc != NULL && strstr(desc, failed) != NULL) {
1051 BIO_printf(bio_err, " %s", desc);
1052 } else {
1053 BIO_printf(bio_err, " %s", failed);
1054 if (desc != NULL)
1055 BIO_printf(bio_err, " of %s", desc);
1056 }
1057 if (uri != NULL)
1058 BIO_printf(bio_err, " from %s", uri);
1059 BIO_printf(bio_err, "\n");
1060 ERR_print_errors(bio_err);
1061 }
1062 return failed == NULL;
1063 }
1064
1065
1066 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1067 /* Return error for unknown extensions */
1068 #define X509V3_EXT_DEFAULT 0
1069 /* Print error for unknown extensions */
1070 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1071 /* ASN1 parse unknown extensions */
1072 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1073 /* BIO_dump unknown extensions */
1074 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1075
1076 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1077 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1078
1079 int set_cert_ex(unsigned long *flags, const char *arg)
1080 {
1081 static const NAME_EX_TBL cert_tbl[] = {
1082 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1083 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1084 {"no_header", X509_FLAG_NO_HEADER, 0},
1085 {"no_version", X509_FLAG_NO_VERSION, 0},
1086 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1087 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1088 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1089 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1090 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1091 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1092 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1093 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1094 {"no_aux", X509_FLAG_NO_AUX, 0},
1095 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1096 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1097 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1098 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1099 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1100 {NULL, 0, 0}
1101 };
1102 return set_multi_opts(flags, arg, cert_tbl);
1103 }
1104
1105 int set_name_ex(unsigned long *flags, const char *arg)
1106 {
1107 static const NAME_EX_TBL ex_tbl[] = {
1108 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1109 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1110 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1111 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1112 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1113 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1114 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1115 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1116 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1117 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1118 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1119 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1120 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1121 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1122 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1123 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1124 {"dn_rev", XN_FLAG_DN_REV, 0},
1125 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1126 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1127 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1128 {"align", XN_FLAG_FN_ALIGN, 0},
1129 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1130 {"space_eq", XN_FLAG_SPC_EQ, 0},
1131 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1132 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1133 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1134 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1135 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1136 {NULL, 0, 0}
1137 };
1138 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1139 return 0;
1140 if (*flags != XN_FLAG_COMPAT
1141 && (*flags & XN_FLAG_SEP_MASK) == 0)
1142 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1143 return 1;
1144 }
1145
1146 int set_ext_copy(int *copy_type, const char *arg)
1147 {
1148 if (strcasecmp(arg, "none") == 0)
1149 *copy_type = EXT_COPY_NONE;
1150 else if (strcasecmp(arg, "copy") == 0)
1151 *copy_type = EXT_COPY_ADD;
1152 else if (strcasecmp(arg, "copyall") == 0)
1153 *copy_type = EXT_COPY_ALL;
1154 else
1155 return 0;
1156 return 1;
1157 }
1158
1159 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1160 {
1161 STACK_OF(X509_EXTENSION) *exts;
1162 int i, ret = 0;
1163
1164 if (x == NULL || req == NULL)
1165 return 0;
1166 if (copy_type == EXT_COPY_NONE)
1167 return 1;
1168 exts = X509_REQ_get_extensions(req);
1169
1170 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1171 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1172 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1173 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1174
1175 /* Does extension exist in target? */
1176 if (idx != -1) {
1177 /* If normal copy don't override existing extension */
1178 if (copy_type == EXT_COPY_ADD)
1179 continue;
1180 /* Delete all extensions of same type */
1181 do {
1182 X509_EXTENSION_free(X509_delete_ext(x, idx));
1183 idx = X509_get_ext_by_OBJ(x, obj, -1);
1184 } while (idx != -1);
1185 }
1186 if (!X509_add_ext(x, ext, -1))
1187 goto end;
1188 }
1189 ret = 1;
1190
1191 end:
1192 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1193 return ret;
1194 }
1195
1196 static int set_multi_opts(unsigned long *flags, const char *arg,
1197 const NAME_EX_TBL * in_tbl)
1198 {
1199 STACK_OF(CONF_VALUE) *vals;
1200 CONF_VALUE *val;
1201 int i, ret = 1;
1202 if (!arg)
1203 return 0;
1204 vals = X509V3_parse_list(arg);
1205 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1206 val = sk_CONF_VALUE_value(vals, i);
1207 if (!set_table_opts(flags, val->name, in_tbl))
1208 ret = 0;
1209 }
1210 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1211 return ret;
1212 }
1213
1214 static int set_table_opts(unsigned long *flags, const char *arg,
1215 const NAME_EX_TBL * in_tbl)
1216 {
1217 char c;
1218 const NAME_EX_TBL *ptbl;
1219 c = arg[0];
1220
1221 if (c == '-') {
1222 c = 0;
1223 arg++;
1224 } else if (c == '+') {
1225 c = 1;
1226 arg++;
1227 } else {
1228 c = 1;
1229 }
1230
1231 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1232 if (strcasecmp(arg, ptbl->name) == 0) {
1233 *flags &= ~ptbl->mask;
1234 if (c)
1235 *flags |= ptbl->flag;
1236 else
1237 *flags &= ~ptbl->flag;
1238 return 1;
1239 }
1240 }
1241 return 0;
1242 }
1243
1244 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1245 {
1246 char *buf;
1247 char mline = 0;
1248 int indent = 0;
1249 unsigned long lflags = get_nameopt();
1250
1251 if (title != NULL)
1252 BIO_puts(out, title);
1253 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1254 mline = 1;
1255 indent = 4;
1256 }
1257 if (lflags == XN_FLAG_COMPAT) {
1258 buf = X509_NAME_oneline(nm, 0, 0);
1259 BIO_puts(out, buf);
1260 BIO_puts(out, "\n");
1261 OPENSSL_free(buf);
1262 } else {
1263 if (mline)
1264 BIO_puts(out, "\n");
1265 X509_NAME_print_ex(out, nm, indent, lflags);
1266 BIO_puts(out, "\n");
1267 }
1268 }
1269
1270 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1271 int len, unsigned char *buffer)
1272 {
1273 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1274 if (BN_is_zero(in)) {
1275 BIO_printf(out, "\n 0x00");
1276 } else {
1277 int i, l;
1278
1279 l = BN_bn2bin(in, buffer);
1280 for (i = 0; i < l; i++) {
1281 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1282 if (i < l - 1)
1283 BIO_printf(out, "0x%02X,", buffer[i]);
1284 else
1285 BIO_printf(out, "0x%02X", buffer[i]);
1286 }
1287 }
1288 BIO_printf(out, "\n };\n");
1289 }
1290
1291 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1292 {
1293 int i;
1294
1295 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1296 for (i = 0; i < len; i++) {
1297 if ((i % 10) == 0)
1298 BIO_printf(out, "\n ");
1299 if (i < len - 1)
1300 BIO_printf(out, "0x%02X, ", d[i]);
1301 else
1302 BIO_printf(out, "0x%02X", d[i]);
1303 }
1304 BIO_printf(out, "\n};\n");
1305 }
1306
1307 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1308 const char *CApath, int noCApath,
1309 const char *CAstore, int noCAstore)
1310 {
1311 X509_STORE *store = X509_STORE_new();
1312 X509_LOOKUP *lookup;
1313 OSSL_LIB_CTX *libctx = app_get0_libctx();
1314 const char *propq = app_get0_propq();
1315
1316 if (store == NULL)
1317 goto end;
1318
1319 if (CAfile != NULL || !noCAfile) {
1320 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1321 if (lookup == NULL)
1322 goto end;
1323 if (CAfile != NULL) {
1324 if (!X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1325 libctx, propq)) {
1326 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1327 goto end;
1328 }
1329 } else {
1330 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1331 libctx, propq);
1332 }
1333 }
1334
1335 if (CApath != NULL || !noCApath) {
1336 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1337 if (lookup == NULL)
1338 goto end;
1339 if (CApath != NULL) {
1340 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1341 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1342 goto end;
1343 }
1344 } else {
1345 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1346 }
1347 }
1348
1349 if (CAstore != NULL || !noCAstore) {
1350 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1351 if (lookup == NULL)
1352 goto end;
1353 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1354 if (CAstore != NULL)
1355 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1356 goto end;
1357 }
1358 }
1359
1360 ERR_clear_error();
1361 return store;
1362 end:
1363 ERR_print_errors(bio_err);
1364 X509_STORE_free(store);
1365 return NULL;
1366 }
1367
1368 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1369 {
1370 const char *n;
1371
1372 n = a[DB_serial];
1373 while (*n == '0')
1374 n++;
1375 return OPENSSL_LH_strhash(n);
1376 }
1377
1378 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1379 const OPENSSL_CSTRING *b)
1380 {
1381 const char *aa, *bb;
1382
1383 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1384 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1385 return strcmp(aa, bb);
1386 }
1387
1388 static int index_name_qual(char **a)
1389 {
1390 return (a[0][0] == 'V');
1391 }
1392
1393 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1394 {
1395 return OPENSSL_LH_strhash(a[DB_name]);
1396 }
1397
1398 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1399 {
1400 return strcmp(a[DB_name], b[DB_name]);
1401 }
1402
1403 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1404 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1405 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1406 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1407 #undef BSIZE
1408 #define BSIZE 256
1409 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1410 {
1411 BIO *in = NULL;
1412 BIGNUM *ret = NULL;
1413 char buf[1024];
1414 ASN1_INTEGER *ai = NULL;
1415
1416 ai = ASN1_INTEGER_new();
1417 if (ai == NULL)
1418 goto err;
1419
1420 in = BIO_new_file(serialfile, "r");
1421 if (in == NULL) {
1422 if (!create) {
1423 perror(serialfile);
1424 goto err;
1425 }
1426 ERR_clear_error();
1427 ret = BN_new();
1428 if (ret == NULL || !rand_serial(ret, ai))
1429 BIO_printf(bio_err, "Out of memory\n");
1430 } else {
1431 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1432 BIO_printf(bio_err, "Unable to load number from %s\n",
1433 serialfile);
1434 goto err;
1435 }
1436 ret = ASN1_INTEGER_to_BN(ai, NULL);
1437 if (ret == NULL) {
1438 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1439 goto err;
1440 }
1441 }
1442
1443 if (ret && retai) {
1444 *retai = ai;
1445 ai = NULL;
1446 }
1447 err:
1448 ERR_print_errors(bio_err);
1449 BIO_free(in);
1450 ASN1_INTEGER_free(ai);
1451 return ret;
1452 }
1453
1454 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1455 ASN1_INTEGER **retai)
1456 {
1457 char buf[1][BSIZE];
1458 BIO *out = NULL;
1459 int ret = 0;
1460 ASN1_INTEGER *ai = NULL;
1461 int j;
1462
1463 if (suffix == NULL)
1464 j = strlen(serialfile);
1465 else
1466 j = strlen(serialfile) + strlen(suffix) + 1;
1467 if (j >= BSIZE) {
1468 BIO_printf(bio_err, "File name too long\n");
1469 goto err;
1470 }
1471
1472 if (suffix == NULL)
1473 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1474 else {
1475 #ifndef OPENSSL_SYS_VMS
1476 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1477 #else
1478 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1479 #endif
1480 }
1481 out = BIO_new_file(buf[0], "w");
1482 if (out == NULL) {
1483 goto err;
1484 }
1485
1486 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1487 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1488 goto err;
1489 }
1490 i2a_ASN1_INTEGER(out, ai);
1491 BIO_puts(out, "\n");
1492 ret = 1;
1493 if (retai) {
1494 *retai = ai;
1495 ai = NULL;
1496 }
1497 err:
1498 if (!ret)
1499 ERR_print_errors(bio_err);
1500 BIO_free_all(out);
1501 ASN1_INTEGER_free(ai);
1502 return ret;
1503 }
1504
1505 int rotate_serial(const char *serialfile, const char *new_suffix,
1506 const char *old_suffix)
1507 {
1508 char buf[2][BSIZE];
1509 int i, j;
1510
1511 i = strlen(serialfile) + strlen(old_suffix);
1512 j = strlen(serialfile) + strlen(new_suffix);
1513 if (i > j)
1514 j = i;
1515 if (j + 1 >= 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[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1521 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1522 #else
1523 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1524 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1525 #endif
1526 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1527 #ifdef ENOTDIR
1528 && errno != ENOTDIR
1529 #endif
1530 ) {
1531 BIO_printf(bio_err,
1532 "Unable to rename %s to %s\n", serialfile, buf[1]);
1533 perror("reason");
1534 goto err;
1535 }
1536 if (rename(buf[0], serialfile) < 0) {
1537 BIO_printf(bio_err,
1538 "Unable to rename %s to %s\n", buf[0], serialfile);
1539 perror("reason");
1540 rename(buf[1], serialfile);
1541 goto err;
1542 }
1543 return 1;
1544 err:
1545 ERR_print_errors(bio_err);
1546 return 0;
1547 }
1548
1549 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1550 {
1551 BIGNUM *btmp;
1552 int ret = 0;
1553
1554 btmp = b == NULL ? BN_new() : b;
1555 if (btmp == NULL)
1556 return 0;
1557
1558 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1559 goto error;
1560 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1561 goto error;
1562
1563 ret = 1;
1564
1565 error:
1566
1567 if (btmp != b)
1568 BN_free(btmp);
1569
1570 return ret;
1571 }
1572
1573 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1574 {
1575 CA_DB *retdb = NULL;
1576 TXT_DB *tmpdb = NULL;
1577 BIO *in;
1578 CONF *dbattr_conf = NULL;
1579 char buf[BSIZE];
1580 #ifndef OPENSSL_NO_POSIX_IO
1581 FILE *dbfp;
1582 struct stat dbst;
1583 #endif
1584
1585 in = BIO_new_file(dbfile, "r");
1586 if (in == NULL)
1587 goto err;
1588
1589 #ifndef OPENSSL_NO_POSIX_IO
1590 BIO_get_fp(in, &dbfp);
1591 if (fstat(fileno(dbfp), &dbst) == -1) {
1592 ERR_raise_data(ERR_LIB_SYS, errno,
1593 "calling fstat(%s)", dbfile);
1594 goto err;
1595 }
1596 #endif
1597
1598 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1599 goto err;
1600
1601 #ifndef OPENSSL_SYS_VMS
1602 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1603 #else
1604 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1605 #endif
1606 dbattr_conf = app_load_config_quiet(buf);
1607
1608 retdb = app_malloc(sizeof(*retdb), "new DB");
1609 retdb->db = tmpdb;
1610 tmpdb = NULL;
1611 if (db_attr)
1612 retdb->attributes = *db_attr;
1613 else {
1614 retdb->attributes.unique_subject = 1;
1615 }
1616
1617 if (dbattr_conf) {
1618 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1619 if (p) {
1620 retdb->attributes.unique_subject = parse_yesno(p, 1);
1621 }
1622 }
1623
1624 retdb->dbfname = OPENSSL_strdup(dbfile);
1625 #ifndef OPENSSL_NO_POSIX_IO
1626 retdb->dbst = dbst;
1627 #endif
1628
1629 err:
1630 ERR_print_errors(bio_err);
1631 NCONF_free(dbattr_conf);
1632 TXT_DB_free(tmpdb);
1633 BIO_free_all(in);
1634 return retdb;
1635 }
1636
1637 /*
1638 * Returns > 0 on success, <= 0 on error
1639 */
1640 int index_index(CA_DB *db)
1641 {
1642 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1643 LHASH_HASH_FN(index_serial),
1644 LHASH_COMP_FN(index_serial))) {
1645 BIO_printf(bio_err,
1646 "Error creating serial number index:(%ld,%ld,%ld)\n",
1647 db->db->error, db->db->arg1, db->db->arg2);
1648 goto err;
1649 }
1650
1651 if (db->attributes.unique_subject
1652 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1653 LHASH_HASH_FN(index_name),
1654 LHASH_COMP_FN(index_name))) {
1655 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1656 db->db->error, db->db->arg1, db->db->arg2);
1657 goto err;
1658 }
1659 return 1;
1660 err:
1661 ERR_print_errors(bio_err);
1662 return 0;
1663 }
1664
1665 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1666 {
1667 char buf[3][BSIZE];
1668 BIO *out;
1669 int j;
1670
1671 j = strlen(dbfile) + strlen(suffix);
1672 if (j + 6 >= BSIZE) {
1673 BIO_printf(bio_err, "File name too long\n");
1674 goto err;
1675 }
1676 #ifndef OPENSSL_SYS_VMS
1677 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1678 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1679 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1680 #else
1681 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1682 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1683 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1684 #endif
1685 out = BIO_new_file(buf[0], "w");
1686 if (out == NULL) {
1687 perror(dbfile);
1688 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1689 goto err;
1690 }
1691 j = TXT_DB_write(out, db->db);
1692 BIO_free(out);
1693 if (j <= 0)
1694 goto err;
1695
1696 out = BIO_new_file(buf[1], "w");
1697 if (out == NULL) {
1698 perror(buf[2]);
1699 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1700 goto err;
1701 }
1702 BIO_printf(out, "unique_subject = %s\n",
1703 db->attributes.unique_subject ? "yes" : "no");
1704 BIO_free(out);
1705
1706 return 1;
1707 err:
1708 ERR_print_errors(bio_err);
1709 return 0;
1710 }
1711
1712 int rotate_index(const char *dbfile, const char *new_suffix,
1713 const char *old_suffix)
1714 {
1715 char buf[5][BSIZE];
1716 int i, j;
1717
1718 i = strlen(dbfile) + strlen(old_suffix);
1719 j = strlen(dbfile) + strlen(new_suffix);
1720 if (i > j)
1721 j = i;
1722 if (j + 6 >= BSIZE) {
1723 BIO_printf(bio_err, "File name too long\n");
1724 goto err;
1725 }
1726 #ifndef OPENSSL_SYS_VMS
1727 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1728 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1729 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1730 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1731 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1732 #else
1733 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1734 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1735 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1736 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1737 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1738 #endif
1739 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1740 #ifdef ENOTDIR
1741 && errno != ENOTDIR
1742 #endif
1743 ) {
1744 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1745 perror("reason");
1746 goto err;
1747 }
1748 if (rename(buf[0], dbfile) < 0) {
1749 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1750 perror("reason");
1751 rename(buf[1], dbfile);
1752 goto err;
1753 }
1754 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1755 #ifdef ENOTDIR
1756 && errno != ENOTDIR
1757 #endif
1758 ) {
1759 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1760 perror("reason");
1761 rename(dbfile, buf[0]);
1762 rename(buf[1], dbfile);
1763 goto err;
1764 }
1765 if (rename(buf[2], buf[4]) < 0) {
1766 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1767 perror("reason");
1768 rename(buf[3], buf[4]);
1769 rename(dbfile, buf[0]);
1770 rename(buf[1], dbfile);
1771 goto err;
1772 }
1773 return 1;
1774 err:
1775 ERR_print_errors(bio_err);
1776 return 0;
1777 }
1778
1779 void free_index(CA_DB *db)
1780 {
1781 if (db) {
1782 TXT_DB_free(db->db);
1783 OPENSSL_free(db->dbfname);
1784 OPENSSL_free(db);
1785 }
1786 }
1787
1788 int parse_yesno(const char *str, int def)
1789 {
1790 if (str) {
1791 switch (*str) {
1792 case 'f': /* false */
1793 case 'F': /* FALSE */
1794 case 'n': /* no */
1795 case 'N': /* NO */
1796 case '0': /* 0 */
1797 return 0;
1798 case 't': /* true */
1799 case 'T': /* TRUE */
1800 case 'y': /* yes */
1801 case 'Y': /* YES */
1802 case '1': /* 1 */
1803 return 1;
1804 }
1805 }
1806 return def;
1807 }
1808
1809 /*
1810 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1811 * where + can be used instead of / to form multi-valued RDNs if canmulti
1812 * and characters may be escaped by \
1813 */
1814 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1815 const char *desc)
1816 {
1817 int nextismulti = 0;
1818 char *work;
1819 X509_NAME *n;
1820
1821 if (*cp++ != '/') {
1822 BIO_printf(bio_err,
1823 "%s: %s name is expected to be in the format "
1824 "/type0=value0/type1=value1/type2=... where characters may "
1825 "be escaped by \\. This name is not in that format: '%s'\n",
1826 opt_getprog(), desc, --cp);
1827 return NULL;
1828 }
1829
1830 n = X509_NAME_new();
1831 if (n == NULL) {
1832 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1833 return NULL;
1834 }
1835 work = OPENSSL_strdup(cp);
1836 if (work == NULL) {
1837 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1838 opt_getprog(), desc);
1839 goto err;
1840 }
1841
1842 while (*cp != '\0') {
1843 char *bp = work;
1844 char *typestr = bp;
1845 unsigned char *valstr;
1846 int nid;
1847 int ismulti = nextismulti;
1848 nextismulti = 0;
1849
1850 /* Collect the type */
1851 while (*cp != '\0' && *cp != '=')
1852 *bp++ = *cp++;
1853 *bp++ = '\0';
1854 if (*cp == '\0') {
1855 BIO_printf(bio_err,
1856 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1857 opt_getprog(), typestr, desc);
1858 goto err;
1859 }
1860 ++cp;
1861
1862 /* Collect the value. */
1863 valstr = (unsigned char *)bp;
1864 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1865 /* unescaped '+' symbol string signals further member of multiRDN */
1866 if (canmulti && *cp == '+') {
1867 nextismulti = 1;
1868 break;
1869 }
1870 if (*cp == '\\' && *++cp == '\0') {
1871 BIO_printf(bio_err,
1872 "%s: Escape character at end of %s name string\n",
1873 opt_getprog(), desc);
1874 goto err;
1875 }
1876 }
1877 *bp++ = '\0';
1878
1879 /* If not at EOS (must be + or /), move forward. */
1880 if (*cp != '\0')
1881 ++cp;
1882
1883 /* Parse */
1884 nid = OBJ_txt2nid(typestr);
1885 if (nid == NID_undef) {
1886 BIO_printf(bio_err,
1887 "%s: Skipping unknown %s name attribute \"%s\"\n",
1888 opt_getprog(), desc, typestr);
1889 if (ismulti)
1890 BIO_printf(bio_err,
1891 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1892 continue;
1893 }
1894 if (*valstr == '\0') {
1895 BIO_printf(bio_err,
1896 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1897 opt_getprog(), desc, typestr);
1898 continue;
1899 }
1900 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1901 valstr, strlen((char *)valstr),
1902 -1, ismulti ? -1 : 0)) {
1903 ERR_print_errors(bio_err);
1904 BIO_printf(bio_err,
1905 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1906 opt_getprog(), desc, typestr ,valstr);
1907 goto err;
1908 }
1909 }
1910
1911 OPENSSL_free(work);
1912 return n;
1913
1914 err:
1915 X509_NAME_free(n);
1916 OPENSSL_free(work);
1917 return NULL;
1918 }
1919
1920 /*
1921 * Read whole contents of a BIO into an allocated memory buffer and return
1922 * it.
1923 */
1924
1925 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1926 {
1927 BIO *mem;
1928 int len, ret;
1929 unsigned char tbuf[1024];
1930
1931 mem = BIO_new(BIO_s_mem());
1932 if (mem == NULL)
1933 return -1;
1934 for (;;) {
1935 if ((maxlen != -1) && maxlen < 1024)
1936 len = maxlen;
1937 else
1938 len = 1024;
1939 len = BIO_read(in, tbuf, len);
1940 if (len < 0) {
1941 BIO_free(mem);
1942 return -1;
1943 }
1944 if (len == 0)
1945 break;
1946 if (BIO_write(mem, tbuf, len) != len) {
1947 BIO_free(mem);
1948 return -1;
1949 }
1950 maxlen -= len;
1951
1952 if (maxlen == 0)
1953 break;
1954 }
1955 ret = BIO_get_mem_data(mem, (char **)out);
1956 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1957 BIO_free(mem);
1958 return ret;
1959 }
1960
1961 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1962 {
1963 int rv = 0;
1964 char *stmp, *vtmp = NULL;
1965
1966 stmp = OPENSSL_strdup(value);
1967 if (stmp == NULL)
1968 return -1;
1969 vtmp = strchr(stmp, ':');
1970 if (vtmp == NULL)
1971 goto err;
1972
1973 *vtmp = 0;
1974 vtmp++;
1975 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1976
1977 err:
1978 OPENSSL_free(stmp);
1979 return rv;
1980 }
1981
1982 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1983 {
1984 X509_POLICY_NODE *node;
1985 int i;
1986
1987 BIO_printf(bio_err, "%s Policies:", name);
1988 if (nodes) {
1989 BIO_puts(bio_err, "\n");
1990 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1991 node = sk_X509_POLICY_NODE_value(nodes, i);
1992 X509_POLICY_NODE_print(bio_err, node, 2);
1993 }
1994 } else {
1995 BIO_puts(bio_err, " <empty>\n");
1996 }
1997 }
1998
1999 void policies_print(X509_STORE_CTX *ctx)
2000 {
2001 X509_POLICY_TREE *tree;
2002 int explicit_policy;
2003 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2004 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2005
2006 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2007 explicit_policy ? "True" : "False");
2008
2009 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2010 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2011 }
2012
2013 /*-
2014 * next_protos_parse parses a comma separated list of strings into a string
2015 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2016 * outlen: (output) set to the length of the resulting buffer on success.
2017 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2018 * in: a NUL terminated string like "abc,def,ghi"
2019 *
2020 * returns: a malloc'd buffer or NULL on failure.
2021 */
2022 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2023 {
2024 size_t len;
2025 unsigned char *out;
2026 size_t i, start = 0;
2027 size_t skipped = 0;
2028
2029 len = strlen(in);
2030 if (len == 0 || len >= 65535)
2031 return NULL;
2032
2033 out = app_malloc(len + 1, "NPN buffer");
2034 for (i = 0; i <= len; ++i) {
2035 if (i == len || in[i] == ',') {
2036 /*
2037 * Zero-length ALPN elements are invalid on the wire, we could be
2038 * strict and reject the entire string, but just ignoring extra
2039 * commas seems harmless and more friendly.
2040 *
2041 * Every comma we skip in this way puts the input buffer another
2042 * byte ahead of the output buffer, so all stores into the output
2043 * buffer need to be decremented by the number commas skipped.
2044 */
2045 if (i == start) {
2046 ++start;
2047 ++skipped;
2048 continue;
2049 }
2050 if (i - start > 255) {
2051 OPENSSL_free(out);
2052 return NULL;
2053 }
2054 out[start-skipped] = (unsigned char)(i - start);
2055 start = i + 1;
2056 } else {
2057 out[i + 1 - skipped] = in[i];
2058 }
2059 }
2060
2061 if (len <= skipped) {
2062 OPENSSL_free(out);
2063 return NULL;
2064 }
2065
2066 *outlen = len + 1 - skipped;
2067 return out;
2068 }
2069
2070 void print_cert_checks(BIO *bio, X509 *x,
2071 const char *checkhost,
2072 const char *checkemail, const char *checkip)
2073 {
2074 if (x == NULL)
2075 return;
2076 if (checkhost) {
2077 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2078 checkhost,
2079 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2080 ? "" : " NOT");
2081 }
2082
2083 if (checkemail) {
2084 BIO_printf(bio, "Email %s does%s match certificate\n",
2085 checkemail, X509_check_email(x, checkemail, 0, 0)
2086 ? "" : " NOT");
2087 }
2088
2089 if (checkip) {
2090 BIO_printf(bio, "IP %s does%s match certificate\n",
2091 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2092 }
2093 }
2094
2095 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2096 {
2097 int i;
2098
2099 if (opts == NULL)
2100 return 1;
2101
2102 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2103 char *opt = sk_OPENSSL_STRING_value(opts, i);
2104 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2105 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2106 ERR_print_errors(bio_err);
2107 return 0;
2108 }
2109 }
2110
2111 return 1;
2112 }
2113
2114 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2115 {
2116 int i;
2117
2118 if (opts == NULL)
2119 return 1;
2120
2121 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2122 char *opt = sk_OPENSSL_STRING_value(opts, i);
2123 if (x509_ctrl_string(x, opt) <= 0) {
2124 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2125 ERR_print_errors(bio_err);
2126 return 0;
2127 }
2128 }
2129
2130 return 1;
2131 }
2132
2133 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2134 {
2135 int i;
2136
2137 if (opts == NULL)
2138 return 1;
2139
2140 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2141 char *opt = sk_OPENSSL_STRING_value(opts, i);
2142 if (x509_req_ctrl_string(x, opt) <= 0) {
2143 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2144 ERR_print_errors(bio_err);
2145 return 0;
2146 }
2147 }
2148
2149 return 1;
2150 }
2151
2152 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2153 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2154 {
2155 EVP_PKEY_CTX *pkctx = NULL;
2156 char def_md[80];
2157
2158 if (ctx == NULL)
2159 return 0;
2160 /*
2161 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2162 * for this algorithm.
2163 */
2164 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2165 && strcmp(def_md, "UNDEF") == 0) {
2166 /* The signing algorithm requires there to be no digest */
2167 md = NULL;
2168 }
2169
2170 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2171 app_get0_propq(), pkey, NULL)
2172 && do_pkey_ctx_init(pkctx, sigopts);
2173 }
2174
2175 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2176 const char *name, const char *value, int add_default)
2177 {
2178 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2179 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2180 int idx, rv = 0;
2181
2182 if (new_ext == NULL)
2183 return rv;
2184
2185 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2186 if (idx >= 0) {
2187 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2188 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2189 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2190
2191 if (disabled) {
2192 X509_delete_ext(cert, idx);
2193 X509_EXTENSION_free(found_ext);
2194 } /* else keep existing key identifier, which might be outdated */
2195 rv = 1;
2196 } else {
2197 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2198 }
2199 X509_EXTENSION_free(new_ext);
2200 return rv;
2201 }
2202
2203 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2204 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2205 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2206 {
2207 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2208 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2209 int self_sign;
2210 int rv = 0;
2211
2212 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2213 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2214 if (!X509_set_version(cert, X509_VERSION_3))
2215 goto end;
2216
2217 /*
2218 * Add default SKID before such that default AKID can make use of it
2219 * in case the certificate is self-signed
2220 */
2221 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2222 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2223 goto end;
2224 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2225 ERR_set_mark();
2226 self_sign = X509_check_private_key(cert, pkey);
2227 ERR_pop_to_mark();
2228 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2229 "keyid, issuer", !self_sign))
2230 goto end;
2231
2232 /* TODO any further measures for ensuring default RFC 5280 compliance */
2233 }
2234
2235 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2236 rv = (X509_sign_ctx(cert, mctx) > 0);
2237 end:
2238 EVP_MD_CTX_free(mctx);
2239 return rv;
2240 }
2241
2242 /* Sign the certificate request info */
2243 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2244 STACK_OF(OPENSSL_STRING) *sigopts)
2245 {
2246 int rv = 0;
2247 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2248
2249 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2250 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2251 EVP_MD_CTX_free(mctx);
2252 return rv;
2253 }
2254
2255 /* Sign the CRL info */
2256 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2257 STACK_OF(OPENSSL_STRING) *sigopts)
2258 {
2259 int rv = 0;
2260 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2261
2262 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2263 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2264 EVP_MD_CTX_free(mctx);
2265 return rv;
2266 }
2267
2268 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2269 {
2270 int rv = 0;
2271
2272 if (do_x509_init(x, vfyopts) > 0)
2273 rv = (X509_verify(x, pkey) > 0);
2274 return rv;
2275 }
2276
2277 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2278 STACK_OF(OPENSSL_STRING) *vfyopts)
2279 {
2280 int rv = 0;
2281
2282 if (do_x509_req_init(x, vfyopts) > 0)
2283 rv = (X509_REQ_verify_ex(x, pkey,
2284 app_get0_libctx(), app_get0_propq()) > 0);
2285 return rv;
2286 }
2287
2288 /* Get first http URL from a DIST_POINT structure */
2289
2290 static const char *get_dp_url(DIST_POINT *dp)
2291 {
2292 GENERAL_NAMES *gens;
2293 GENERAL_NAME *gen;
2294 int i, gtype;
2295 ASN1_STRING *uri;
2296 if (!dp->distpoint || dp->distpoint->type != 0)
2297 return NULL;
2298 gens = dp->distpoint->name.fullname;
2299 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2300 gen = sk_GENERAL_NAME_value(gens, i);
2301 uri = GENERAL_NAME_get0_value(gen, &gtype);
2302 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2303 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2304
2305 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2306 return uptr;
2307 }
2308 }
2309 return NULL;
2310 }
2311
2312 /*
2313 * Look through a CRLDP structure and attempt to find an http URL to
2314 * downloads a CRL from.
2315 */
2316
2317 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2318 {
2319 int i;
2320 const char *urlptr = NULL;
2321 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2322 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2323 urlptr = get_dp_url(dp);
2324 if (urlptr != NULL)
2325 return load_crl(urlptr, 0, "CRL via CDP");
2326 }
2327 return NULL;
2328 }
2329
2330 /*
2331 * Example of downloading CRLs from CRLDP:
2332 * not usable for real world as it always downloads and doesn't cache anything.
2333 */
2334
2335 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2336 const X509_NAME *nm)
2337 {
2338 X509 *x;
2339 STACK_OF(X509_CRL) *crls = NULL;
2340 X509_CRL *crl;
2341 STACK_OF(DIST_POINT) *crldp;
2342
2343 crls = sk_X509_CRL_new_null();
2344 if (!crls)
2345 return NULL;
2346 x = X509_STORE_CTX_get_current_cert(ctx);
2347 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2348 crl = load_crl_crldp(crldp);
2349 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2350 if (!crl) {
2351 sk_X509_CRL_free(crls);
2352 return NULL;
2353 }
2354 sk_X509_CRL_push(crls, crl);
2355 /* Try to download delta CRL */
2356 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2357 crl = load_crl_crldp(crldp);
2358 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2359 if (crl)
2360 sk_X509_CRL_push(crls, crl);
2361 return crls;
2362 }
2363
2364 void store_setup_crl_download(X509_STORE *st)
2365 {
2366 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2367 }
2368
2369 #ifndef OPENSSL_NO_SOCK
2370 static const char *tls_error_hint(void)
2371 {
2372 unsigned long err = ERR_peek_error();
2373
2374 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2375 err = ERR_peek_last_error();
2376 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2377 return NULL;
2378
2379 switch (ERR_GET_REASON(err)) {
2380 case SSL_R_WRONG_VERSION_NUMBER:
2381 return "The server does not support (a suitable version of) TLS";
2382 case SSL_R_UNKNOWN_PROTOCOL:
2383 return "The server does not support HTTPS";
2384 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2385 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2386 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2387 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2388 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2389 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2390 default: /* no error or no hint available for error */
2391 return NULL;
2392 }
2393 }
2394
2395 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2396 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2397 {
2398 if (connect && detail) { /* connecting with TLS */
2399 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2400 SSL_CTX *ssl_ctx = info->ssl_ctx;
2401 SSL *ssl;
2402 BIO *sbio = NULL;
2403
2404 if ((info->use_proxy
2405 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2406 NULL, NULL, /* no proxy credentials */
2407 info->timeout, bio_err, opt_getprog()))
2408 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2409 return NULL;
2410 }
2411 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2412 BIO_free(sbio);
2413 return NULL;
2414 }
2415
2416 SSL_set_tlsext_host_name(ssl, info->server);
2417
2418 SSL_set_connect_state(ssl);
2419 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2420
2421 hbio = BIO_push(sbio, hbio);
2422 } else if (!connect && !detail) { /* disconnecting after error */
2423 const char *hint = tls_error_hint();
2424
2425 if (hint != NULL)
2426 ERR_add_error_data(2, " : ", hint);
2427 /*
2428 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2429 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2430 */
2431 }
2432 return hbio;
2433 }
2434
2435 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2436 {
2437 if (info != NULL) {
2438 SSL_CTX_free(info->ssl_ctx);
2439 OPENSSL_free(info);
2440 }
2441 }
2442
2443 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2444 const char *no_proxy, SSL_CTX *ssl_ctx,
2445 const STACK_OF(CONF_VALUE) *headers,
2446 long timeout, const char *expected_content_type,
2447 const ASN1_ITEM *it)
2448 {
2449 APP_HTTP_TLS_INFO info;
2450 char *server;
2451 char *port;
2452 int use_ssl;
2453 ASN1_VALUE *resp = NULL;
2454
2455 if (url == NULL || it == NULL) {
2456 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2457 return NULL;
2458 }
2459
2460 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2461 NULL /* port_num, */, NULL, NULL, NULL))
2462 return NULL;
2463 if (use_ssl && ssl_ctx == NULL) {
2464 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2465 "missing SSL_CTX");
2466 goto end;
2467 }
2468
2469 info.server = server;
2470 info.port = port;
2471 info.use_proxy = proxy != NULL;
2472 info.timeout = timeout;
2473 info.ssl_ctx = ssl_ctx;
2474 resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
2475 NULL, NULL, app_http_tls_cb, &info,
2476 headers, 0 /* maxline */, 0 /* max_resp_len */,
2477 timeout, expected_content_type, it);
2478 end:
2479 OPENSSL_free(server);
2480 OPENSSL_free(port);
2481 return resp;
2482
2483 }
2484
2485 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2486 const char *path, const char *proxy,
2487 const char *no_proxy, SSL_CTX *ssl_ctx,
2488 const STACK_OF(CONF_VALUE) *headers,
2489 const char *content_type,
2490 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2491 long timeout, const ASN1_ITEM *rsp_it)
2492 {
2493 APP_HTTP_TLS_INFO info;
2494
2495 info.server = host;
2496 info.port = port;
2497 info.use_proxy = proxy != NULL;
2498 info.timeout = timeout;
2499 info.ssl_ctx = ssl_ctx;
2500 return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
2501 proxy, no_proxy,
2502 NULL, NULL, app_http_tls_cb, &info,
2503 headers, content_type, req, req_it,
2504 0 /* maxline */,
2505 0 /* max_resp_len */, timeout, NULL, rsp_it);
2506 }
2507
2508 #endif
2509
2510 /*
2511 * Platform-specific sections
2512 */
2513 #if defined(_WIN32)
2514 # ifdef fileno
2515 # undef fileno
2516 # define fileno(a) (int)_fileno(a)
2517 # endif
2518
2519 # include <windows.h>
2520 # include <tchar.h>
2521
2522 static int WIN32_rename(const char *from, const char *to)
2523 {
2524 TCHAR *tfrom = NULL, *tto;
2525 DWORD err;
2526 int ret = 0;
2527
2528 if (sizeof(TCHAR) == 1) {
2529 tfrom = (TCHAR *)from;
2530 tto = (TCHAR *)to;
2531 } else { /* UNICODE path */
2532
2533 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2534 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2535 if (tfrom == NULL)
2536 goto err;
2537 tto = tfrom + flen;
2538 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2539 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2540 # endif
2541 for (i = 0; i < flen; i++)
2542 tfrom[i] = (TCHAR)from[i];
2543 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2544 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2545 # endif
2546 for (i = 0; i < tlen; i++)
2547 tto[i] = (TCHAR)to[i];
2548 }
2549
2550 if (MoveFile(tfrom, tto))
2551 goto ok;
2552 err = GetLastError();
2553 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2554 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2555 goto ok;
2556 err = GetLastError();
2557 }
2558 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2559 errno = ENOENT;
2560 else if (err == ERROR_ACCESS_DENIED)
2561 errno = EACCES;
2562 else
2563 errno = EINVAL; /* we could map more codes... */
2564 err:
2565 ret = -1;
2566 ok:
2567 if (tfrom != NULL && tfrom != (TCHAR *)from)
2568 free(tfrom);
2569 return ret;
2570 }
2571 #endif
2572
2573 /* app_tminterval section */
2574 #if defined(_WIN32)
2575 double app_tminterval(int stop, int usertime)
2576 {
2577 FILETIME now;
2578 double ret = 0;
2579 static ULARGE_INTEGER tmstart;
2580 static int warning = 1;
2581 # ifdef _WIN32_WINNT
2582 static HANDLE proc = NULL;
2583
2584 if (proc == NULL) {
2585 if (check_winnt())
2586 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2587 GetCurrentProcessId());
2588 if (proc == NULL)
2589 proc = (HANDLE) - 1;
2590 }
2591
2592 if (usertime && proc != (HANDLE) - 1) {
2593 FILETIME junk;
2594 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2595 } else
2596 # endif
2597 {
2598 SYSTEMTIME systime;
2599
2600 if (usertime && warning) {
2601 BIO_printf(bio_err, "To get meaningful results, run "
2602 "this program on idle system.\n");
2603 warning = 0;
2604 }
2605 GetSystemTime(&systime);
2606 SystemTimeToFileTime(&systime, &now);
2607 }
2608
2609 if (stop == TM_START) {
2610 tmstart.u.LowPart = now.dwLowDateTime;
2611 tmstart.u.HighPart = now.dwHighDateTime;
2612 } else {
2613 ULARGE_INTEGER tmstop;
2614
2615 tmstop.u.LowPart = now.dwLowDateTime;
2616 tmstop.u.HighPart = now.dwHighDateTime;
2617
2618 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2619 }
2620
2621 return ret;
2622 }
2623 #elif defined(OPENSSL_SYS_VXWORKS)
2624 # include <time.h>
2625
2626 double app_tminterval(int stop, int usertime)
2627 {
2628 double ret = 0;
2629 # ifdef CLOCK_REALTIME
2630 static struct timespec tmstart;
2631 struct timespec now;
2632 # else
2633 static unsigned long tmstart;
2634 unsigned long now;
2635 # endif
2636 static int warning = 1;
2637
2638 if (usertime && warning) {
2639 BIO_printf(bio_err, "To get meaningful results, run "
2640 "this program on idle system.\n");
2641 warning = 0;
2642 }
2643 # ifdef CLOCK_REALTIME
2644 clock_gettime(CLOCK_REALTIME, &now);
2645 if (stop == TM_START)
2646 tmstart = now;
2647 else
2648 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2649 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2650 # else
2651 now = tickGet();
2652 if (stop == TM_START)
2653 tmstart = now;
2654 else
2655 ret = (now - tmstart) / (double)sysClkRateGet();
2656 # endif
2657 return ret;
2658 }
2659
2660 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2661 # include <sys/times.h>
2662
2663 double app_tminterval(int stop, int usertime)
2664 {
2665 double ret = 0;
2666 struct tms rus;
2667 clock_t now = times(&rus);
2668 static clock_t tmstart;
2669
2670 if (usertime)
2671 now = rus.tms_utime;
2672
2673 if (stop == TM_START) {
2674 tmstart = now;
2675 } else {
2676 long int tck = sysconf(_SC_CLK_TCK);
2677 ret = (now - tmstart) / (double)tck;
2678 }
2679
2680 return ret;
2681 }
2682
2683 #else
2684 # include <sys/time.h>
2685 # include <sys/resource.h>
2686
2687 double app_tminterval(int stop, int usertime)
2688 {
2689 double ret = 0;
2690 struct rusage rus;
2691 struct timeval now;
2692 static struct timeval tmstart;
2693
2694 if (usertime)
2695 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2696 else
2697 gettimeofday(&now, NULL);
2698
2699 if (stop == TM_START)
2700 tmstart = now;
2701 else
2702 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2703 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2704
2705 return ret;
2706 }
2707 #endif
2708
2709 int app_access(const char* name, int flag)
2710 {
2711 #ifdef _WIN32
2712 return _access(name, flag);
2713 #else
2714 return access(name, flag);
2715 #endif
2716 }
2717
2718 int app_isdir(const char *name)
2719 {
2720 return opt_isdir(name);
2721 }
2722
2723 /* raw_read|write section */
2724 #if defined(__VMS)
2725 # include "vms_term_sock.h"
2726 static int stdin_sock = -1;
2727
2728 static void close_stdin_sock(void)
2729 {
2730 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2731 }
2732
2733 int fileno_stdin(void)
2734 {
2735 if (stdin_sock == -1) {
2736 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2737 atexit(close_stdin_sock);
2738 }
2739
2740 return stdin_sock;
2741 }
2742 #else
2743 int fileno_stdin(void)
2744 {
2745 return fileno(stdin);
2746 }
2747 #endif
2748
2749 int fileno_stdout(void)
2750 {
2751 return fileno(stdout);
2752 }
2753
2754 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2755 int raw_read_stdin(void *buf, int siz)
2756 {
2757 DWORD n;
2758 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2759 return n;
2760 else
2761 return -1;
2762 }
2763 #elif defined(__VMS)
2764 # include <sys/socket.h>
2765
2766 int raw_read_stdin(void *buf, int siz)
2767 {
2768 return recv(fileno_stdin(), buf, siz, 0);
2769 }
2770 #else
2771 # if defined(__TANDEM)
2772 # if defined(OPENSSL_TANDEM_FLOSS)
2773 # include <floss.h(floss_read)>
2774 # endif
2775 # endif
2776 int raw_read_stdin(void *buf, int siz)
2777 {
2778 return read(fileno_stdin(), buf, siz);
2779 }
2780 #endif
2781
2782 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2783 int raw_write_stdout(const void *buf, int siz)
2784 {
2785 DWORD n;
2786 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2787 return n;
2788 else
2789 return -1;
2790 }
2791 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2792 # if defined(__TANDEM)
2793 # if defined(OPENSSL_TANDEM_FLOSS)
2794 # include <floss.h(floss_write)>
2795 # endif
2796 # endif
2797 int raw_write_stdout(const void *buf,int siz)
2798 {
2799 return write(fileno(stdout),(void*)buf,siz);
2800 }
2801 #else
2802 # if defined(__TANDEM)
2803 # if defined(OPENSSL_TANDEM_FLOSS)
2804 # include <floss.h(floss_write)>
2805 # endif
2806 # endif
2807 int raw_write_stdout(const void *buf, int siz)
2808 {
2809 return write(fileno_stdout(), buf, siz);
2810 }
2811 #endif
2812
2813 /*
2814 * Centralized handling of input and output files with format specification
2815 * The format is meant to show what the input and output is supposed to be,
2816 * and is therefore a show of intent more than anything else. However, it
2817 * does impact behavior on some platforms, such as differentiating between
2818 * text and binary input/output on non-Unix platforms
2819 */
2820 BIO *dup_bio_in(int format)
2821 {
2822 return BIO_new_fp(stdin,
2823 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2824 }
2825
2826 BIO *dup_bio_out(int format)
2827 {
2828 BIO *b = BIO_new_fp(stdout,
2829 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2830 void *prefix = NULL;
2831
2832 #ifdef OPENSSL_SYS_VMS
2833 if (FMT_istext(format))
2834 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2835 #endif
2836
2837 if (FMT_istext(format)
2838 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2839 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2840 BIO_set_prefix(b, prefix);
2841 }
2842
2843 return b;
2844 }
2845
2846 BIO *dup_bio_err(int format)
2847 {
2848 BIO *b = BIO_new_fp(stderr,
2849 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2850 #ifdef OPENSSL_SYS_VMS
2851 if (FMT_istext(format))
2852 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2853 #endif
2854 return b;
2855 }
2856
2857 void unbuffer(FILE *fp)
2858 {
2859 /*
2860 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2861 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2862 * However, we trust that the C RTL will never give us a FILE pointer
2863 * above the first 4 GB of memory, so we simply turn off the warning
2864 * temporarily.
2865 */
2866 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2867 # pragma environment save
2868 # pragma message disable maylosedata2
2869 #endif
2870 setbuf(fp, NULL);
2871 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2872 # pragma environment restore
2873 #endif
2874 }
2875
2876 static const char *modestr(char mode, int format)
2877 {
2878 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2879
2880 switch (mode) {
2881 case 'a':
2882 return FMT_istext(format) ? "a" : "ab";
2883 case 'r':
2884 return FMT_istext(format) ? "r" : "rb";
2885 case 'w':
2886 return FMT_istext(format) ? "w" : "wb";
2887 }
2888 /* The assert above should make sure we never reach this point */
2889 return NULL;
2890 }
2891
2892 static const char *modeverb(char mode)
2893 {
2894 switch (mode) {
2895 case 'a':
2896 return "appending";
2897 case 'r':
2898 return "reading";
2899 case 'w':
2900 return "writing";
2901 }
2902 return "(doing something)";
2903 }
2904
2905 /*
2906 * Open a file for writing, owner-read-only.
2907 */
2908 BIO *bio_open_owner(const char *filename, int format, int private)
2909 {
2910 FILE *fp = NULL;
2911 BIO *b = NULL;
2912 int fd = -1, bflags, mode, textmode;
2913
2914 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2915 return bio_open_default(filename, 'w', format);
2916
2917 mode = O_WRONLY;
2918 #ifdef O_CREAT
2919 mode |= O_CREAT;
2920 #endif
2921 #ifdef O_TRUNC
2922 mode |= O_TRUNC;
2923 #endif
2924 textmode = FMT_istext(format);
2925 if (!textmode) {
2926 #ifdef O_BINARY
2927 mode |= O_BINARY;
2928 #elif defined(_O_BINARY)
2929 mode |= _O_BINARY;
2930 #endif
2931 }
2932
2933 #ifdef OPENSSL_SYS_VMS
2934 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2935 * it still needs to know that we're going binary, or fdopen()
2936 * will fail with "invalid argument"... so we tell VMS what the
2937 * context is.
2938 */
2939 if (!textmode)
2940 fd = open(filename, mode, 0600, "ctx=bin");
2941 else
2942 #endif
2943 fd = open(filename, mode, 0600);
2944 if (fd < 0)
2945 goto err;
2946 fp = fdopen(fd, modestr('w', format));
2947 if (fp == NULL)
2948 goto err;
2949 bflags = BIO_CLOSE;
2950 if (textmode)
2951 bflags |= BIO_FP_TEXT;
2952 b = BIO_new_fp(fp, bflags);
2953 if (b)
2954 return b;
2955
2956 err:
2957 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2958 opt_getprog(), filename, strerror(errno));
2959 ERR_print_errors(bio_err);
2960 /* If we have fp, then fdopen took over fd, so don't close both. */
2961 if (fp)
2962 fclose(fp);
2963 else if (fd >= 0)
2964 close(fd);
2965 return NULL;
2966 }
2967
2968 static BIO *bio_open_default_(const char *filename, char mode, int format,
2969 int quiet)
2970 {
2971 BIO *ret;
2972
2973 if (filename == NULL || strcmp(filename, "-") == 0) {
2974 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2975 if (quiet) {
2976 ERR_clear_error();
2977 return ret;
2978 }
2979 if (ret != NULL)
2980 return ret;
2981 BIO_printf(bio_err,
2982 "Can't open %s, %s\n",
2983 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2984 } else {
2985 ret = BIO_new_file(filename, modestr(mode, format));
2986 if (quiet) {
2987 ERR_clear_error();
2988 return ret;
2989 }
2990 if (ret != NULL)
2991 return ret;
2992 BIO_printf(bio_err,
2993 "Can't open \"%s\" for %s, %s\n",
2994 filename, modeverb(mode), strerror(errno));
2995 }
2996 ERR_print_errors(bio_err);
2997 return NULL;
2998 }
2999
3000 BIO *bio_open_default(const char *filename, char mode, int format)
3001 {
3002 return bio_open_default_(filename, mode, format, 0);
3003 }
3004
3005 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3006 {
3007 return bio_open_default_(filename, mode, format, 1);
3008 }
3009
3010 void wait_for_async(SSL *s)
3011 {
3012 /* On Windows select only works for sockets, so we simply don't wait */
3013 #ifndef OPENSSL_SYS_WINDOWS
3014 int width = 0;
3015 fd_set asyncfds;
3016 OSSL_ASYNC_FD *fds;
3017 size_t numfds;
3018 size_t i;
3019
3020 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3021 return;
3022 if (numfds == 0)
3023 return;
3024 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3025 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3026 OPENSSL_free(fds);
3027 return;
3028 }
3029
3030 FD_ZERO(&asyncfds);
3031 for (i = 0; i < numfds; i++) {
3032 if (width <= (int)fds[i])
3033 width = (int)fds[i] + 1;
3034 openssl_fdset((int)fds[i], &asyncfds);
3035 }
3036 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3037 OPENSSL_free(fds);
3038 #endif
3039 }
3040
3041 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3042 #if defined(OPENSSL_SYS_MSDOS)
3043 int has_stdin_waiting(void)
3044 {
3045 # if defined(OPENSSL_SYS_WINDOWS)
3046 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3047 DWORD events = 0;
3048 INPUT_RECORD inputrec;
3049 DWORD insize = 1;
3050 BOOL peeked;
3051
3052 if (inhand == INVALID_HANDLE_VALUE) {
3053 return 0;
3054 }
3055
3056 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3057 if (!peeked) {
3058 /* Probably redirected input? _kbhit() does not work in this case */
3059 if (!feof(stdin)) {
3060 return 1;
3061 }
3062 return 0;
3063 }
3064 # endif
3065 return _kbhit();
3066 }
3067 #endif
3068
3069 /* Corrupt a signature by modifying final byte */
3070 void corrupt_signature(const ASN1_STRING *signature)
3071 {
3072 unsigned char *s = signature->data;
3073 s[signature->length - 1] ^= 0x1;
3074 }
3075
3076 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3077 int days)
3078 {
3079 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3080 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3081 return 0;
3082 } else {
3083 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3084 return 0;
3085 }
3086 if (enddate == NULL) {
3087 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3088 == NULL)
3089 return 0;
3090 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3091 return 0;
3092 }
3093 return 1;
3094 }
3095
3096 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3097 {
3098 int ret = 0;
3099 ASN1_TIME *tm = ASN1_TIME_new();
3100
3101 if (tm == NULL)
3102 goto end;
3103
3104 if (lastupdate == NULL) {
3105 if (X509_gmtime_adj(tm, 0) == NULL)
3106 goto end;
3107 } else {
3108 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3109 goto end;
3110 }
3111
3112 if (!X509_CRL_set1_lastUpdate(crl, tm))
3113 goto end;
3114
3115 ret = 1;
3116 end:
3117 ASN1_TIME_free(tm);
3118 return ret;
3119 }
3120
3121 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3122 long days, long hours, long secs)
3123 {
3124 int ret = 0;
3125 ASN1_TIME *tm = ASN1_TIME_new();
3126
3127 if (tm == NULL)
3128 goto end;
3129
3130 if (nextupdate == NULL) {
3131 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3132 goto end;
3133 } else {
3134 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3135 goto end;
3136 }
3137
3138 if (!X509_CRL_set1_nextUpdate(crl, tm))
3139 goto end;
3140
3141 ret = 1;
3142 end:
3143 ASN1_TIME_free(tm);
3144 return ret;
3145 }
3146
3147 void make_uppercase(char *string)
3148 {
3149 int i;
3150
3151 for (i = 0; string[i] != '\0'; i++)
3152 string[i] = toupper((unsigned char)string[i]);
3153 }
3154
3155 int opt_printf_stderr(const char *fmt, ...)
3156 {
3157 va_list ap;
3158 int ret;
3159
3160 va_start(ap, fmt);
3161 ret = BIO_vprintf(bio_err, fmt, ap);
3162 va_end(ap);
3163 return ret;
3164 }
3165
3166 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3167 const OSSL_PARAM *paramdefs)
3168 {
3169 OSSL_PARAM *params = NULL;
3170 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3171 size_t params_n;
3172 char *opt = "", *stmp, *vtmp = NULL;
3173 int found = 1;
3174
3175 if (opts == NULL)
3176 return NULL;
3177
3178 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3179 if (params == NULL)
3180 return NULL;
3181
3182 for (params_n = 0; params_n < sz; params_n++) {
3183 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3184 if ((stmp = OPENSSL_strdup(opt)) == NULL
3185 || (vtmp = strchr(stmp, ':')) == NULL)
3186 goto err;
3187 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3188 *vtmp = 0;
3189 /* Skip over the separator so that vmtp points to the value */
3190 vtmp++;
3191 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3192 stmp, vtmp, strlen(vtmp), &found))
3193 goto err;
3194 OPENSSL_free(stmp);
3195 }
3196 params[params_n] = OSSL_PARAM_construct_end();
3197 return params;
3198 err:
3199 OPENSSL_free(stmp);
3200 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3201 opt);
3202 ERR_print_errors(bio_err);
3203 app_params_free(params);
3204 return NULL;
3205 }
3206
3207 void app_params_free(OSSL_PARAM *params)
3208 {
3209 int i;
3210
3211 if (params != NULL) {
3212 for (i = 0; params[i].key != NULL; ++i)
3213 OPENSSL_free(params[i].data);
3214 OPENSSL_free(params);
3215 }
3216 }
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