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apps/ts.c: Allow -untrusted arg to refer to multiple sources
[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)
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, 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, 0, 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(int sz, const char *what)
632 {
633 void *vp = OPENSSL_malloc(sz);
634
635 if (vp == NULL)
636 app_bail_out("%s: Could not allocate %d 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 if (*opt == '\\' && opt[1] != '\0')
646 /* skip and unescape '\' escaped char */
647 memmove(opt, opt + 1, strlen(opt));
648 opt++;
649 }
650 if (*opt != '\0') {
651 /* terminate current item */
652 *opt++ = '\0';
653 /* skip over any whitespace after separator */
654 while (isspace(*opt))
655 opt++;
656 }
657 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
658 }
659
660 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
661 {
662 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
663
664 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s",
665 uri, subj, msg);
666 OPENSSL_free(subj);
667 }
668
669 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
670 X509_VERIFY_PARAM *vpm)
671 {
672 uint32_t ex_flags = X509_get_extension_flags(cert);
673 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
674 X509_get0_notAfter(cert));
675
676 if (res != 0)
677 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
678 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
679 warn_cert_msg(uri, cert, "is not a CA cert");
680 }
681
682 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
683 X509_VERIFY_PARAM *vpm)
684 {
685 int i;
686
687 for (i = 0; i < sk_X509_num(certs); i++)
688 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
689 }
690
691 int load_cert_certs(const char *uri,
692 X509 **pcert, STACK_OF(X509) **pcerts,
693 int exclude_http, const char *pass, const char *desc,
694 X509_VERIFY_PARAM *vpm)
695 {
696 int ret = 0;
697 char *pass_string;
698
699 if (exclude_http && (strncasecmp(uri, "http://", 7) == 0
700 || strncasecmp(uri, "https://", 8) == 0)) {
701 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
702 return ret;
703 }
704 pass_string = get_passwd(pass, desc);
705 ret = load_key_certs_crls(uri, 0, pass_string, desc, NULL, NULL, NULL,
706 pcert, pcerts, NULL, NULL);
707 clear_free(pass_string);
708
709 if (ret) {
710 if (pcert != NULL)
711 warn_cert(uri, *pcert, 0, vpm);
712 warn_certs(uri, *pcerts, 1, vpm);
713 } else {
714 sk_X509_pop_free(*pcerts, X509_free);
715 *pcerts = NULL;
716 }
717 return ret;
718 }
719
720 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
721 const char *desc, X509_VERIFY_PARAM *vpm)
722 {
723 STACK_OF(X509) *certs = NULL;
724 STACK_OF(X509) *result = sk_X509_new_null();
725
726 if (files == NULL)
727 goto err;
728 if (result == NULL)
729 goto oom;
730
731 while (files != NULL) {
732 char *next = next_item(files);
733
734 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
735 goto err;
736 if (!X509_add_certs(result, certs,
737 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
738 goto oom;
739 sk_X509_pop_free(certs, X509_free);
740 certs = NULL;
741 files = next;
742 }
743 return result;
744
745 oom:
746 BIO_printf(bio_err, "out of memory\n");
747 err:
748 sk_X509_pop_free(certs, X509_free);
749 sk_X509_pop_free(result, X509_free);
750 return NULL;
751 }
752
753 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
754 const STACK_OF(X509) *certs /* may NULL */)
755 {
756 int i;
757
758 if (store == NULL)
759 store = X509_STORE_new();
760 if (store == NULL)
761 return NULL;
762 for (i = 0; i < sk_X509_num(certs); i++) {
763 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
764 X509_STORE_free(store);
765 return NULL;
766 }
767 }
768 return store;
769 }
770
771 /*
772 * Create cert store structure with certificates read from given file(s).
773 * Returns pointer to created X509_STORE on success, NULL on error.
774 */
775 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
776 X509_VERIFY_PARAM *vpm)
777 {
778 X509_STORE *store = NULL;
779 STACK_OF(X509) *certs = NULL;
780
781 while (input != NULL) {
782 char *next = next_item(input);
783 int ok;
784
785 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
786 X509_STORE_free(store);
787 return NULL;
788 }
789 ok = (store = sk_X509_to_store(store, certs)) != NULL;
790 sk_X509_pop_free(certs, X509_free);
791 certs = NULL;
792 if (!ok)
793 return NULL;
794 input = next;
795 }
796 return store;
797 }
798
799 /*
800 * Initialize or extend, if *certs != NULL, a certificate stack.
801 * The caller is responsible for freeing *certs if its value is left not NULL.
802 */
803 int load_certs(const char *uri, STACK_OF(X509) **certs,
804 const char *pass, const char *desc)
805 {
806 int was_NULL = *certs == NULL;
807 int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL, NULL,
808 NULL, certs, NULL, NULL);
809
810 if (!ret && was_NULL) {
811 sk_X509_pop_free(*certs, X509_free);
812 *certs = NULL;
813 }
814 return ret;
815 }
816
817 /*
818 * Initialize or extend, if *crls != NULL, a certificate stack.
819 * The caller is responsible for freeing *crls if its value is left not NULL.
820 */
821 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
822 const char *pass, const char *desc)
823 {
824 int was_NULL = *crls == NULL;
825 int ret = load_key_certs_crls(uri, 0, pass, desc, NULL, NULL, NULL,
826 NULL, NULL, NULL, crls);
827
828 if (!ret && was_NULL) {
829 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
830 *crls = NULL;
831 }
832 return ret;
833 }
834
835 /*
836 * Load those types of credentials for which the result pointer is not NULL.
837 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
838 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
839 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
840 * If pcerts is non-NULL then all available certificates are appended to *pcerts
841 * except any certificate assigned to *pcert.
842 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
843 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
844 * except any CRL assigned to *pcrl.
845 * In any case (also on error) the caller is responsible for freeing all members
846 * of *pcerts and *pcrls (as far as they are not NULL).
847 */
848 int load_key_certs_crls(const char *uri, int maybe_stdin,
849 const char *pass, const char *desc,
850 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
851 EVP_PKEY **pparams,
852 X509 **pcert, STACK_OF(X509) **pcerts,
853 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
854 {
855 PW_CB_DATA uidata;
856 OSSL_STORE_CTX *ctx = NULL;
857 OSSL_LIB_CTX *libctx = app_get0_libctx();
858 const char *propq = app_get0_propq();
859 int ncerts = 0;
860 int ncrls = 0;
861 const char *failed =
862 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
863 pparams != NULL ? "params" : pcert != NULL ? "cert" :
864 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
865 pcrls != NULL ? "CRLs" : NULL;
866 int cnt_expectations = 0;
867 int expect = 0;
868 /* TODO make use of the engine reference 'eng' when loading pkeys */
869
870 if (ppkey != NULL) {
871 *ppkey = NULL;
872 cnt_expectations++;
873 expect = OSSL_STORE_INFO_PKEY;
874 }
875 if (ppubkey != NULL) {
876 *ppubkey = NULL;
877 cnt_expectations++;
878 expect = OSSL_STORE_INFO_PUBKEY;
879 }
880 if (pcert != NULL) {
881 *pcert = NULL;
882 cnt_expectations++;
883 expect = OSSL_STORE_INFO_CERT;
884 }
885 if (failed == NULL) {
886 BIO_printf(bio_err, "Internal error: nothing to load into from %s\n",
887 uri != NULL ? uri : "<stdin>");
888 return 0;
889 }
890
891 if (pcerts != NULL) {
892 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
893 BIO_printf(bio_err, "Out of memory loading");
894 goto end;
895 }
896 cnt_expectations++;
897 expect = OSSL_STORE_INFO_CERT;
898 }
899 if (pcrl != NULL) {
900 *pcrl = NULL;
901 cnt_expectations++;
902 expect = OSSL_STORE_INFO_CRL;
903 }
904 if (pcrls != NULL) {
905 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
906 BIO_printf(bio_err, "Out of memory loading");
907 goto end;
908 }
909 cnt_expectations++;
910 expect = OSSL_STORE_INFO_CRL;
911 }
912
913 uidata.password = pass;
914 uidata.prompt_info = uri;
915
916 if (uri == NULL) {
917 BIO *bio;
918
919 if (!maybe_stdin) {
920 BIO_printf(bio_err, "No filename or uri specified for loading");
921 goto end;
922 }
923 uri = "<stdin>";
924 unbuffer(stdin);
925 bio = BIO_new_fp(stdin, 0);
926 if (bio != NULL)
927 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
928 get_ui_method(), &uidata, NULL, NULL);
929 } else {
930 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
931 NULL, NULL);
932 }
933 if (ctx == NULL) {
934 BIO_printf(bio_err, "Could not open file or uri for loading");
935 goto end;
936 }
937
938 if (cnt_expectations != 1)
939 expect = 0;
940 if (!OSSL_STORE_expect(ctx, expect))
941 goto end;
942
943 failed = NULL;
944 while (!OSSL_STORE_eof(ctx)) {
945 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
946 int type, ok = 1;
947
948 /*
949 * This can happen (for example) if we attempt to load a file with
950 * multiple different types of things in it - but the thing we just
951 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
952 * to load a certificate but the file has both the private key and the
953 * certificate in it. We just retry until eof.
954 */
955 if (info == NULL) {
956 if (OSSL_STORE_error(ctx)) {
957 ERR_print_errors(bio_err);
958 ERR_clear_error();
959 }
960 continue;
961 }
962
963 type = OSSL_STORE_INFO_get_type(info);
964 switch (type) {
965 case OSSL_STORE_INFO_PKEY:
966 if (ppkey != NULL && *ppkey == NULL)
967 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
968
969 /*
970 * An EVP_PKEY with private parts also holds the public parts,
971 * so if the caller asked for a public key, and we got a private
972 * key, we can still pass it back.
973 */
974 if (ok && ppubkey != NULL && *ppubkey == NULL)
975 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
976 break;
977 case OSSL_STORE_INFO_PUBKEY:
978 if (ppubkey != NULL && *ppubkey == NULL)
979 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
980 break;
981 case OSSL_STORE_INFO_PARAMS:
982 if (pparams != NULL && *pparams == NULL)
983 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
984 break;
985 case OSSL_STORE_INFO_CERT:
986 if (pcert != NULL && *pcert == NULL)
987 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
988 else if (pcerts != NULL)
989 ok = X509_add_cert(*pcerts,
990 OSSL_STORE_INFO_get1_CERT(info),
991 X509_ADD_FLAG_DEFAULT);
992 ncerts += ok;
993 break;
994 case OSSL_STORE_INFO_CRL:
995 if (pcrl != NULL && *pcrl == NULL)
996 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
997 else if (pcrls != NULL)
998 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
999 ncrls += ok;
1000 break;
1001 default:
1002 /* skip any other type */
1003 break;
1004 }
1005 OSSL_STORE_INFO_free(info);
1006 if (!ok) {
1007 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1008 BIO_printf(bio_err, "Error reading");
1009 break;
1010 }
1011 }
1012
1013 end:
1014 OSSL_STORE_close(ctx);
1015 if (failed == NULL) {
1016 int any = 0;
1017
1018 if ((ppkey != NULL && *ppkey == NULL)
1019 || (ppubkey != NULL && *ppubkey == NULL)) {
1020 failed = "key";
1021 } else if (pparams != NULL && *pparams == NULL) {
1022 failed = "params";
1023 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1024 if (pcert == NULL)
1025 any = 1;
1026 failed = "cert";
1027 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1028 if (pcrl == NULL)
1029 any = 1;
1030 failed = "CRL";
1031 }
1032 if (failed != NULL)
1033 BIO_printf(bio_err, "Could not read");
1034 if (any)
1035 BIO_printf(bio_err, " any");
1036 }
1037 if (failed != NULL) {
1038 if (desc != NULL && strstr(desc, failed) != NULL) {
1039 BIO_printf(bio_err, " %s", desc);
1040 } else {
1041 BIO_printf(bio_err, " %s", failed);
1042 if (desc != NULL)
1043 BIO_printf(bio_err, " of %s", desc);
1044 }
1045 if (uri != NULL)
1046 BIO_printf(bio_err, " from %s", uri);
1047 BIO_printf(bio_err, "\n");
1048 ERR_print_errors(bio_err);
1049 }
1050 return failed == NULL;
1051 }
1052
1053
1054 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1055 /* Return error for unknown extensions */
1056 #define X509V3_EXT_DEFAULT 0
1057 /* Print error for unknown extensions */
1058 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1059 /* ASN1 parse unknown extensions */
1060 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1061 /* BIO_dump unknown extensions */
1062 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1063
1064 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1065 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1066
1067 int set_cert_ex(unsigned long *flags, const char *arg)
1068 {
1069 static const NAME_EX_TBL cert_tbl[] = {
1070 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1071 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1072 {"no_header", X509_FLAG_NO_HEADER, 0},
1073 {"no_version", X509_FLAG_NO_VERSION, 0},
1074 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1075 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1076 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1077 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1078 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1079 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1080 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1081 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1082 {"no_aux", X509_FLAG_NO_AUX, 0},
1083 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1084 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1085 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1086 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1087 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1088 {NULL, 0, 0}
1089 };
1090 return set_multi_opts(flags, arg, cert_tbl);
1091 }
1092
1093 int set_name_ex(unsigned long *flags, const char *arg)
1094 {
1095 static const NAME_EX_TBL ex_tbl[] = {
1096 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1097 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1098 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1099 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1100 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1101 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1102 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1103 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1104 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1105 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1106 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1107 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1108 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1109 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1110 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1111 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1112 {"dn_rev", XN_FLAG_DN_REV, 0},
1113 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1114 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1115 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1116 {"align", XN_FLAG_FN_ALIGN, 0},
1117 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1118 {"space_eq", XN_FLAG_SPC_EQ, 0},
1119 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1120 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1121 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1122 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1123 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1124 {NULL, 0, 0}
1125 };
1126 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1127 return 0;
1128 if (*flags != XN_FLAG_COMPAT
1129 && (*flags & XN_FLAG_SEP_MASK) == 0)
1130 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1131 return 1;
1132 }
1133
1134 int set_ext_copy(int *copy_type, const char *arg)
1135 {
1136 if (strcasecmp(arg, "none") == 0)
1137 *copy_type = EXT_COPY_NONE;
1138 else if (strcasecmp(arg, "copy") == 0)
1139 *copy_type = EXT_COPY_ADD;
1140 else if (strcasecmp(arg, "copyall") == 0)
1141 *copy_type = EXT_COPY_ALL;
1142 else
1143 return 0;
1144 return 1;
1145 }
1146
1147 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1148 {
1149 STACK_OF(X509_EXTENSION) *exts;
1150 int i, ret = 0;
1151
1152 if (x == NULL || req == NULL)
1153 return 0;
1154 if (copy_type == EXT_COPY_NONE)
1155 return 1;
1156 exts = X509_REQ_get_extensions(req);
1157
1158 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1159 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1160 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1161 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1162
1163 /* Does extension exist in target? */
1164 if (idx != -1) {
1165 /* If normal copy don't override existing extension */
1166 if (copy_type == EXT_COPY_ADD)
1167 continue;
1168 /* Delete all extensions of same type */
1169 do {
1170 X509_EXTENSION_free(X509_delete_ext(x, idx));
1171 idx = X509_get_ext_by_OBJ(x, obj, -1);
1172 } while (idx != -1);
1173 }
1174 if (!X509_add_ext(x, ext, -1))
1175 goto end;
1176 }
1177 ret = 1;
1178
1179 end:
1180 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1181 return ret;
1182 }
1183
1184 static int set_multi_opts(unsigned long *flags, const char *arg,
1185 const NAME_EX_TBL * in_tbl)
1186 {
1187 STACK_OF(CONF_VALUE) *vals;
1188 CONF_VALUE *val;
1189 int i, ret = 1;
1190 if (!arg)
1191 return 0;
1192 vals = X509V3_parse_list(arg);
1193 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1194 val = sk_CONF_VALUE_value(vals, i);
1195 if (!set_table_opts(flags, val->name, in_tbl))
1196 ret = 0;
1197 }
1198 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1199 return ret;
1200 }
1201
1202 static int set_table_opts(unsigned long *flags, const char *arg,
1203 const NAME_EX_TBL * in_tbl)
1204 {
1205 char c;
1206 const NAME_EX_TBL *ptbl;
1207 c = arg[0];
1208
1209 if (c == '-') {
1210 c = 0;
1211 arg++;
1212 } else if (c == '+') {
1213 c = 1;
1214 arg++;
1215 } else {
1216 c = 1;
1217 }
1218
1219 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1220 if (strcasecmp(arg, ptbl->name) == 0) {
1221 *flags &= ~ptbl->mask;
1222 if (c)
1223 *flags |= ptbl->flag;
1224 else
1225 *flags &= ~ptbl->flag;
1226 return 1;
1227 }
1228 }
1229 return 0;
1230 }
1231
1232 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1233 {
1234 char *buf;
1235 char mline = 0;
1236 int indent = 0;
1237 unsigned long lflags = get_nameopt();
1238
1239 if (title != NULL)
1240 BIO_puts(out, title);
1241 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1242 mline = 1;
1243 indent = 4;
1244 }
1245 if (lflags == XN_FLAG_COMPAT) {
1246 buf = X509_NAME_oneline(nm, 0, 0);
1247 BIO_puts(out, buf);
1248 BIO_puts(out, "\n");
1249 OPENSSL_free(buf);
1250 } else {
1251 if (mline)
1252 BIO_puts(out, "\n");
1253 X509_NAME_print_ex(out, nm, indent, lflags);
1254 BIO_puts(out, "\n");
1255 }
1256 }
1257
1258 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1259 int len, unsigned char *buffer)
1260 {
1261 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1262 if (BN_is_zero(in)) {
1263 BIO_printf(out, "\n 0x00");
1264 } else {
1265 int i, l;
1266
1267 l = BN_bn2bin(in, buffer);
1268 for (i = 0; i < l; i++) {
1269 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1270 if (i < l - 1)
1271 BIO_printf(out, "0x%02X,", buffer[i]);
1272 else
1273 BIO_printf(out, "0x%02X", buffer[i]);
1274 }
1275 }
1276 BIO_printf(out, "\n };\n");
1277 }
1278
1279 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1280 {
1281 int i;
1282
1283 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1284 for (i = 0; i < len; i++) {
1285 if ((i % 10) == 0)
1286 BIO_printf(out, "\n ");
1287 if (i < len - 1)
1288 BIO_printf(out, "0x%02X, ", d[i]);
1289 else
1290 BIO_printf(out, "0x%02X", d[i]);
1291 }
1292 BIO_printf(out, "\n};\n");
1293 }
1294
1295 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1296 const char *CApath, int noCApath,
1297 const char *CAstore, int noCAstore)
1298 {
1299 X509_STORE *store = X509_STORE_new();
1300 X509_LOOKUP *lookup;
1301 OSSL_LIB_CTX *libctx = app_get0_libctx();
1302 const char *propq = app_get0_propq();
1303
1304 if (store == NULL)
1305 goto end;
1306
1307 if (CAfile != NULL || !noCAfile) {
1308 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1309 if (lookup == NULL)
1310 goto end;
1311 if (CAfile != NULL) {
1312 if (!X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1313 libctx, propq)) {
1314 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1315 goto end;
1316 }
1317 } else {
1318 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1319 libctx, propq);
1320 }
1321 }
1322
1323 if (CApath != NULL || !noCApath) {
1324 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1325 if (lookup == NULL)
1326 goto end;
1327 if (CApath != NULL) {
1328 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1329 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1330 goto end;
1331 }
1332 } else {
1333 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1334 }
1335 }
1336
1337 if (CAstore != NULL || !noCAstore) {
1338 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1339 if (lookup == NULL)
1340 goto end;
1341 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1342 if (CAstore != NULL)
1343 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1344 goto end;
1345 }
1346 }
1347
1348 ERR_clear_error();
1349 return store;
1350 end:
1351 ERR_print_errors(bio_err);
1352 X509_STORE_free(store);
1353 return NULL;
1354 }
1355
1356 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1357 {
1358 const char *n;
1359
1360 n = a[DB_serial];
1361 while (*n == '0')
1362 n++;
1363 return OPENSSL_LH_strhash(n);
1364 }
1365
1366 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1367 const OPENSSL_CSTRING *b)
1368 {
1369 const char *aa, *bb;
1370
1371 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1372 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1373 return strcmp(aa, bb);
1374 }
1375
1376 static int index_name_qual(char **a)
1377 {
1378 return (a[0][0] == 'V');
1379 }
1380
1381 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1382 {
1383 return OPENSSL_LH_strhash(a[DB_name]);
1384 }
1385
1386 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1387 {
1388 return strcmp(a[DB_name], b[DB_name]);
1389 }
1390
1391 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1392 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1393 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1394 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1395 #undef BSIZE
1396 #define BSIZE 256
1397 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1398 {
1399 BIO *in = NULL;
1400 BIGNUM *ret = NULL;
1401 char buf[1024];
1402 ASN1_INTEGER *ai = NULL;
1403
1404 ai = ASN1_INTEGER_new();
1405 if (ai == NULL)
1406 goto err;
1407
1408 in = BIO_new_file(serialfile, "r");
1409 if (in == NULL) {
1410 if (!create) {
1411 perror(serialfile);
1412 goto err;
1413 }
1414 ERR_clear_error();
1415 ret = BN_new();
1416 if (ret == NULL || !rand_serial(ret, ai))
1417 BIO_printf(bio_err, "Out of memory\n");
1418 } else {
1419 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1420 BIO_printf(bio_err, "Unable to load number from %s\n",
1421 serialfile);
1422 goto err;
1423 }
1424 ret = ASN1_INTEGER_to_BN(ai, NULL);
1425 if (ret == NULL) {
1426 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1427 goto err;
1428 }
1429 }
1430
1431 if (ret && retai) {
1432 *retai = ai;
1433 ai = NULL;
1434 }
1435 err:
1436 ERR_print_errors(bio_err);
1437 BIO_free(in);
1438 ASN1_INTEGER_free(ai);
1439 return ret;
1440 }
1441
1442 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1443 ASN1_INTEGER **retai)
1444 {
1445 char buf[1][BSIZE];
1446 BIO *out = NULL;
1447 int ret = 0;
1448 ASN1_INTEGER *ai = NULL;
1449 int j;
1450
1451 if (suffix == NULL)
1452 j = strlen(serialfile);
1453 else
1454 j = strlen(serialfile) + strlen(suffix) + 1;
1455 if (j >= BSIZE) {
1456 BIO_printf(bio_err, "File name too long\n");
1457 goto err;
1458 }
1459
1460 if (suffix == NULL)
1461 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1462 else {
1463 #ifndef OPENSSL_SYS_VMS
1464 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1465 #else
1466 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1467 #endif
1468 }
1469 out = BIO_new_file(buf[0], "w");
1470 if (out == NULL) {
1471 goto err;
1472 }
1473
1474 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1475 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1476 goto err;
1477 }
1478 i2a_ASN1_INTEGER(out, ai);
1479 BIO_puts(out, "\n");
1480 ret = 1;
1481 if (retai) {
1482 *retai = ai;
1483 ai = NULL;
1484 }
1485 err:
1486 if (!ret)
1487 ERR_print_errors(bio_err);
1488 BIO_free_all(out);
1489 ASN1_INTEGER_free(ai);
1490 return ret;
1491 }
1492
1493 int rotate_serial(const char *serialfile, const char *new_suffix,
1494 const char *old_suffix)
1495 {
1496 char buf[2][BSIZE];
1497 int i, j;
1498
1499 i = strlen(serialfile) + strlen(old_suffix);
1500 j = strlen(serialfile) + strlen(new_suffix);
1501 if (i > j)
1502 j = i;
1503 if (j + 1 >= BSIZE) {
1504 BIO_printf(bio_err, "File name too long\n");
1505 goto err;
1506 }
1507 #ifndef OPENSSL_SYS_VMS
1508 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1509 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1510 #else
1511 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1512 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1513 #endif
1514 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1515 #ifdef ENOTDIR
1516 && errno != ENOTDIR
1517 #endif
1518 ) {
1519 BIO_printf(bio_err,
1520 "Unable to rename %s to %s\n", serialfile, buf[1]);
1521 perror("reason");
1522 goto err;
1523 }
1524 if (rename(buf[0], serialfile) < 0) {
1525 BIO_printf(bio_err,
1526 "Unable to rename %s to %s\n", buf[0], serialfile);
1527 perror("reason");
1528 rename(buf[1], serialfile);
1529 goto err;
1530 }
1531 return 1;
1532 err:
1533 ERR_print_errors(bio_err);
1534 return 0;
1535 }
1536
1537 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1538 {
1539 BIGNUM *btmp;
1540 int ret = 0;
1541
1542 btmp = b == NULL ? BN_new() : b;
1543 if (btmp == NULL)
1544 return 0;
1545
1546 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1547 goto error;
1548 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1549 goto error;
1550
1551 ret = 1;
1552
1553 error:
1554
1555 if (btmp != b)
1556 BN_free(btmp);
1557
1558 return ret;
1559 }
1560
1561 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1562 {
1563 CA_DB *retdb = NULL;
1564 TXT_DB *tmpdb = NULL;
1565 BIO *in;
1566 CONF *dbattr_conf = NULL;
1567 char buf[BSIZE];
1568 #ifndef OPENSSL_NO_POSIX_IO
1569 FILE *dbfp;
1570 struct stat dbst;
1571 #endif
1572
1573 in = BIO_new_file(dbfile, "r");
1574 if (in == NULL)
1575 goto err;
1576
1577 #ifndef OPENSSL_NO_POSIX_IO
1578 BIO_get_fp(in, &dbfp);
1579 if (fstat(fileno(dbfp), &dbst) == -1) {
1580 ERR_raise_data(ERR_LIB_SYS, errno,
1581 "calling fstat(%s)", dbfile);
1582 goto err;
1583 }
1584 #endif
1585
1586 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1587 goto err;
1588
1589 #ifndef OPENSSL_SYS_VMS
1590 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1591 #else
1592 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1593 #endif
1594 dbattr_conf = app_load_config_quiet(buf);
1595
1596 retdb = app_malloc(sizeof(*retdb), "new DB");
1597 retdb->db = tmpdb;
1598 tmpdb = NULL;
1599 if (db_attr)
1600 retdb->attributes = *db_attr;
1601 else {
1602 retdb->attributes.unique_subject = 1;
1603 }
1604
1605 if (dbattr_conf) {
1606 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1607 if (p) {
1608 retdb->attributes.unique_subject = parse_yesno(p, 1);
1609 }
1610 }
1611
1612 retdb->dbfname = OPENSSL_strdup(dbfile);
1613 #ifndef OPENSSL_NO_POSIX_IO
1614 retdb->dbst = dbst;
1615 #endif
1616
1617 err:
1618 ERR_print_errors(bio_err);
1619 NCONF_free(dbattr_conf);
1620 TXT_DB_free(tmpdb);
1621 BIO_free_all(in);
1622 return retdb;
1623 }
1624
1625 /*
1626 * Returns > 0 on success, <= 0 on error
1627 */
1628 int index_index(CA_DB *db)
1629 {
1630 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1631 LHASH_HASH_FN(index_serial),
1632 LHASH_COMP_FN(index_serial))) {
1633 BIO_printf(bio_err,
1634 "Error creating serial number index:(%ld,%ld,%ld)\n",
1635 db->db->error, db->db->arg1, db->db->arg2);
1636 goto err;
1637 }
1638
1639 if (db->attributes.unique_subject
1640 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1641 LHASH_HASH_FN(index_name),
1642 LHASH_COMP_FN(index_name))) {
1643 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1644 db->db->error, db->db->arg1, db->db->arg2);
1645 goto err;
1646 }
1647 return 1;
1648 err:
1649 ERR_print_errors(bio_err);
1650 return 0;
1651 }
1652
1653 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1654 {
1655 char buf[3][BSIZE];
1656 BIO *out;
1657 int j;
1658
1659 j = strlen(dbfile) + strlen(suffix);
1660 if (j + 6 >= BSIZE) {
1661 BIO_printf(bio_err, "File name too long\n");
1662 goto err;
1663 }
1664 #ifndef OPENSSL_SYS_VMS
1665 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1666 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1667 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1668 #else
1669 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1670 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1671 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1672 #endif
1673 out = BIO_new_file(buf[0], "w");
1674 if (out == NULL) {
1675 perror(dbfile);
1676 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1677 goto err;
1678 }
1679 j = TXT_DB_write(out, db->db);
1680 BIO_free(out);
1681 if (j <= 0)
1682 goto err;
1683
1684 out = BIO_new_file(buf[1], "w");
1685 if (out == NULL) {
1686 perror(buf[2]);
1687 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1688 goto err;
1689 }
1690 BIO_printf(out, "unique_subject = %s\n",
1691 db->attributes.unique_subject ? "yes" : "no");
1692 BIO_free(out);
1693
1694 return 1;
1695 err:
1696 ERR_print_errors(bio_err);
1697 return 0;
1698 }
1699
1700 int rotate_index(const char *dbfile, const char *new_suffix,
1701 const char *old_suffix)
1702 {
1703 char buf[5][BSIZE];
1704 int i, j;
1705
1706 i = strlen(dbfile) + strlen(old_suffix);
1707 j = strlen(dbfile) + strlen(new_suffix);
1708 if (i > j)
1709 j = i;
1710 if (j + 6 >= BSIZE) {
1711 BIO_printf(bio_err, "File name too long\n");
1712 goto err;
1713 }
1714 #ifndef OPENSSL_SYS_VMS
1715 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1716 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1717 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1718 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1719 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1720 #else
1721 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1722 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1723 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1724 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1725 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1726 #endif
1727 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1728 #ifdef ENOTDIR
1729 && errno != ENOTDIR
1730 #endif
1731 ) {
1732 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1733 perror("reason");
1734 goto err;
1735 }
1736 if (rename(buf[0], dbfile) < 0) {
1737 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1738 perror("reason");
1739 rename(buf[1], dbfile);
1740 goto err;
1741 }
1742 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1743 #ifdef ENOTDIR
1744 && errno != ENOTDIR
1745 #endif
1746 ) {
1747 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1748 perror("reason");
1749 rename(dbfile, buf[0]);
1750 rename(buf[1], dbfile);
1751 goto err;
1752 }
1753 if (rename(buf[2], buf[4]) < 0) {
1754 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1755 perror("reason");
1756 rename(buf[3], buf[4]);
1757 rename(dbfile, buf[0]);
1758 rename(buf[1], dbfile);
1759 goto err;
1760 }
1761 return 1;
1762 err:
1763 ERR_print_errors(bio_err);
1764 return 0;
1765 }
1766
1767 void free_index(CA_DB *db)
1768 {
1769 if (db) {
1770 TXT_DB_free(db->db);
1771 OPENSSL_free(db->dbfname);
1772 OPENSSL_free(db);
1773 }
1774 }
1775
1776 int parse_yesno(const char *str, int def)
1777 {
1778 if (str) {
1779 switch (*str) {
1780 case 'f': /* false */
1781 case 'F': /* FALSE */
1782 case 'n': /* no */
1783 case 'N': /* NO */
1784 case '0': /* 0 */
1785 return 0;
1786 case 't': /* true */
1787 case 'T': /* TRUE */
1788 case 'y': /* yes */
1789 case 'Y': /* YES */
1790 case '1': /* 1 */
1791 return 1;
1792 }
1793 }
1794 return def;
1795 }
1796
1797 /*
1798 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1799 * where + can be used instead of / to form multi-valued RDNs if canmulti
1800 * and characters may be escaped by \
1801 */
1802 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1803 const char *desc)
1804 {
1805 int nextismulti = 0;
1806 char *work;
1807 X509_NAME *n;
1808
1809 if (*cp++ != '/') {
1810 BIO_printf(bio_err,
1811 "%s: %s name is expected to be in the format "
1812 "/type0=value0/type1=value1/type2=... where characters may "
1813 "be escaped by \\. This name is not in that format: '%s'\n",
1814 opt_getprog(), desc, --cp);
1815 return NULL;
1816 }
1817
1818 n = X509_NAME_new();
1819 if (n == NULL) {
1820 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1821 return NULL;
1822 }
1823 work = OPENSSL_strdup(cp);
1824 if (work == NULL) {
1825 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1826 opt_getprog(), desc);
1827 goto err;
1828 }
1829
1830 while (*cp != '\0') {
1831 char *bp = work;
1832 char *typestr = bp;
1833 unsigned char *valstr;
1834 int nid;
1835 int ismulti = nextismulti;
1836 nextismulti = 0;
1837
1838 /* Collect the type */
1839 while (*cp != '\0' && *cp != '=')
1840 *bp++ = *cp++;
1841 *bp++ = '\0';
1842 if (*cp == '\0') {
1843 BIO_printf(bio_err,
1844 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1845 opt_getprog(), typestr, desc);
1846 goto err;
1847 }
1848 ++cp;
1849
1850 /* Collect the value. */
1851 valstr = (unsigned char *)bp;
1852 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1853 /* unescaped '+' symbol string signals further member of multiRDN */
1854 if (canmulti && *cp == '+') {
1855 nextismulti = 1;
1856 break;
1857 }
1858 if (*cp == '\\' && *++cp == '\0') {
1859 BIO_printf(bio_err,
1860 "%s: Escape character at end of %s name string\n",
1861 opt_getprog(), desc);
1862 goto err;
1863 }
1864 }
1865 *bp++ = '\0';
1866
1867 /* If not at EOS (must be + or /), move forward. */
1868 if (*cp != '\0')
1869 ++cp;
1870
1871 /* Parse */
1872 nid = OBJ_txt2nid(typestr);
1873 if (nid == NID_undef) {
1874 BIO_printf(bio_err,
1875 "%s: Skipping unknown %s name attribute \"%s\"\n",
1876 opt_getprog(), desc, typestr);
1877 if (ismulti)
1878 BIO_printf(bio_err,
1879 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1880 continue;
1881 }
1882 if (*valstr == '\0') {
1883 BIO_printf(bio_err,
1884 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1885 opt_getprog(), desc, typestr);
1886 continue;
1887 }
1888 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1889 valstr, strlen((char *)valstr),
1890 -1, ismulti ? -1 : 0)) {
1891 ERR_print_errors(bio_err);
1892 BIO_printf(bio_err,
1893 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1894 opt_getprog(), desc, typestr ,valstr);
1895 goto err;
1896 }
1897 }
1898
1899 OPENSSL_free(work);
1900 return n;
1901
1902 err:
1903 X509_NAME_free(n);
1904 OPENSSL_free(work);
1905 return NULL;
1906 }
1907
1908 /*
1909 * Read whole contents of a BIO into an allocated memory buffer and return
1910 * it.
1911 */
1912
1913 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1914 {
1915 BIO *mem;
1916 int len, ret;
1917 unsigned char tbuf[1024];
1918
1919 mem = BIO_new(BIO_s_mem());
1920 if (mem == NULL)
1921 return -1;
1922 for (;;) {
1923 if ((maxlen != -1) && maxlen < 1024)
1924 len = maxlen;
1925 else
1926 len = 1024;
1927 len = BIO_read(in, tbuf, len);
1928 if (len < 0) {
1929 BIO_free(mem);
1930 return -1;
1931 }
1932 if (len == 0)
1933 break;
1934 if (BIO_write(mem, tbuf, len) != len) {
1935 BIO_free(mem);
1936 return -1;
1937 }
1938 maxlen -= len;
1939
1940 if (maxlen == 0)
1941 break;
1942 }
1943 ret = BIO_get_mem_data(mem, (char **)out);
1944 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1945 BIO_free(mem);
1946 return ret;
1947 }
1948
1949 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1950 {
1951 int rv = 0;
1952 char *stmp, *vtmp = NULL;
1953
1954 stmp = OPENSSL_strdup(value);
1955 if (stmp == NULL)
1956 return -1;
1957 vtmp = strchr(stmp, ':');
1958 if (vtmp == NULL)
1959 goto err;
1960
1961 *vtmp = 0;
1962 vtmp++;
1963 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
1964
1965 err:
1966 OPENSSL_free(stmp);
1967 return rv;
1968 }
1969
1970 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
1971 {
1972 X509_POLICY_NODE *node;
1973 int i;
1974
1975 BIO_printf(bio_err, "%s Policies:", name);
1976 if (nodes) {
1977 BIO_puts(bio_err, "\n");
1978 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
1979 node = sk_X509_POLICY_NODE_value(nodes, i);
1980 X509_POLICY_NODE_print(bio_err, node, 2);
1981 }
1982 } else {
1983 BIO_puts(bio_err, " <empty>\n");
1984 }
1985 }
1986
1987 void policies_print(X509_STORE_CTX *ctx)
1988 {
1989 X509_POLICY_TREE *tree;
1990 int explicit_policy;
1991 tree = X509_STORE_CTX_get0_policy_tree(ctx);
1992 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
1993
1994 BIO_printf(bio_err, "Require explicit Policy: %s\n",
1995 explicit_policy ? "True" : "False");
1996
1997 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
1998 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
1999 }
2000
2001 /*-
2002 * next_protos_parse parses a comma separated list of strings into a string
2003 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2004 * outlen: (output) set to the length of the resulting buffer on success.
2005 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2006 * in: a NUL terminated string like "abc,def,ghi"
2007 *
2008 * returns: a malloc'd buffer or NULL on failure.
2009 */
2010 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2011 {
2012 size_t len;
2013 unsigned char *out;
2014 size_t i, start = 0;
2015 size_t skipped = 0;
2016
2017 len = strlen(in);
2018 if (len == 0 || len >= 65535)
2019 return NULL;
2020
2021 out = app_malloc(len + 1, "NPN buffer");
2022 for (i = 0; i <= len; ++i) {
2023 if (i == len || in[i] == ',') {
2024 /*
2025 * Zero-length ALPN elements are invalid on the wire, we could be
2026 * strict and reject the entire string, but just ignoring extra
2027 * commas seems harmless and more friendly.
2028 *
2029 * Every comma we skip in this way puts the input buffer another
2030 * byte ahead of the output buffer, so all stores into the output
2031 * buffer need to be decremented by the number commas skipped.
2032 */
2033 if (i == start) {
2034 ++start;
2035 ++skipped;
2036 continue;
2037 }
2038 if (i - start > 255) {
2039 OPENSSL_free(out);
2040 return NULL;
2041 }
2042 out[start-skipped] = (unsigned char)(i - start);
2043 start = i + 1;
2044 } else {
2045 out[i + 1 - skipped] = in[i];
2046 }
2047 }
2048
2049 if (len <= skipped) {
2050 OPENSSL_free(out);
2051 return NULL;
2052 }
2053
2054 *outlen = len + 1 - skipped;
2055 return out;
2056 }
2057
2058 void print_cert_checks(BIO *bio, X509 *x,
2059 const char *checkhost,
2060 const char *checkemail, const char *checkip)
2061 {
2062 if (x == NULL)
2063 return;
2064 if (checkhost) {
2065 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2066 checkhost,
2067 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2068 ? "" : " NOT");
2069 }
2070
2071 if (checkemail) {
2072 BIO_printf(bio, "Email %s does%s match certificate\n",
2073 checkemail, X509_check_email(x, checkemail, 0, 0)
2074 ? "" : " NOT");
2075 }
2076
2077 if (checkip) {
2078 BIO_printf(bio, "IP %s does%s match certificate\n",
2079 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2080 }
2081 }
2082
2083 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2084 {
2085 int i;
2086
2087 if (opts == NULL)
2088 return 1;
2089
2090 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2091 char *opt = sk_OPENSSL_STRING_value(opts, i);
2092 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2093 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2094 ERR_print_errors(bio_err);
2095 return 0;
2096 }
2097 }
2098
2099 return 1;
2100 }
2101
2102 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2103 {
2104 int i;
2105
2106 if (opts == NULL)
2107 return 1;
2108
2109 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2110 char *opt = sk_OPENSSL_STRING_value(opts, i);
2111 if (x509_ctrl_string(x, opt) <= 0) {
2112 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2113 ERR_print_errors(bio_err);
2114 return 0;
2115 }
2116 }
2117
2118 return 1;
2119 }
2120
2121 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2122 {
2123 int i;
2124
2125 if (opts == NULL)
2126 return 1;
2127
2128 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2129 char *opt = sk_OPENSSL_STRING_value(opts, i);
2130 if (x509_req_ctrl_string(x, opt) <= 0) {
2131 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2132 ERR_print_errors(bio_err);
2133 return 0;
2134 }
2135 }
2136
2137 return 1;
2138 }
2139
2140 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2141 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
2142 {
2143 EVP_PKEY_CTX *pkctx = NULL;
2144 int def_nid;
2145
2146 if (ctx == NULL)
2147 return 0;
2148 /*
2149 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
2150 * for this algorithm.
2151 */
2152 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
2153 && def_nid == NID_undef) {
2154 /* The signing algorithm requires there to be no digest */
2155 md = NULL;
2156 }
2157 return EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)
2158 && do_pkey_ctx_init(pkctx, sigopts);
2159 }
2160
2161 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2162 const char *name, const char *value, int add_default)
2163 {
2164 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2165 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2166 int idx, rv = 0;
2167
2168 if (new_ext == NULL)
2169 return rv;
2170
2171 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2172 if (idx >= 0) {
2173 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2174 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2175 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2176
2177 if (disabled) {
2178 X509_delete_ext(cert, idx);
2179 X509_EXTENSION_free(found_ext);
2180 } /* else keep existing key identifier, which might be outdated */
2181 rv = 1;
2182 } else {
2183 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2184 }
2185 X509_EXTENSION_free(new_ext);
2186 return rv;
2187 }
2188
2189 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2190 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const EVP_MD *md,
2191 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2192 {
2193 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2194 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2195 int self_sign;
2196 int rv = 0;
2197
2198 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2199 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2200 if (!X509_set_version(cert, 2)) /* Make sure cert is X509 v3 */
2201 goto end;
2202
2203 /*
2204 * Add default SKID before such that default AKID can make use of it
2205 * in case the certificate is self-signed
2206 */
2207 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2208 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2209 goto end;
2210 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2211 ERR_set_mark();
2212 self_sign = X509_check_private_key(cert, pkey);
2213 ERR_pop_to_mark();
2214 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2215 "keyid, issuer", !self_sign))
2216 goto end;
2217
2218 /* TODO any further measures for ensuring default RFC 5280 compliance */
2219 }
2220
2221 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2222 rv = (X509_sign_ctx(cert, mctx) > 0);
2223 end:
2224 EVP_MD_CTX_free(mctx);
2225 return rv;
2226 }
2227
2228 /* Sign the certificate request info */
2229 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
2230 STACK_OF(OPENSSL_STRING) *sigopts)
2231 {
2232 int rv = 0;
2233 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2234
2235 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2236 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2237 EVP_MD_CTX_free(mctx);
2238 return rv;
2239 }
2240
2241 /* Sign the CRL info */
2242 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
2243 STACK_OF(OPENSSL_STRING) *sigopts)
2244 {
2245 int rv = 0;
2246 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2247
2248 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2249 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2250 EVP_MD_CTX_free(mctx);
2251 return rv;
2252 }
2253
2254 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2255 {
2256 int rv = 0;
2257
2258 if (do_x509_init(x, vfyopts) > 0)
2259 rv = (X509_verify(x, pkey) > 0);
2260 return rv;
2261 }
2262
2263 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2264 STACK_OF(OPENSSL_STRING) *vfyopts)
2265 {
2266 int rv = 0;
2267
2268 if (do_x509_req_init(x, vfyopts) > 0)
2269 rv = (X509_REQ_verify(x, pkey) > 0);
2270 return rv;
2271 }
2272
2273 /* Get first http URL from a DIST_POINT structure */
2274
2275 static const char *get_dp_url(DIST_POINT *dp)
2276 {
2277 GENERAL_NAMES *gens;
2278 GENERAL_NAME *gen;
2279 int i, gtype;
2280 ASN1_STRING *uri;
2281 if (!dp->distpoint || dp->distpoint->type != 0)
2282 return NULL;
2283 gens = dp->distpoint->name.fullname;
2284 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2285 gen = sk_GENERAL_NAME_value(gens, i);
2286 uri = GENERAL_NAME_get0_value(gen, &gtype);
2287 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2288 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2289
2290 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2291 return uptr;
2292 }
2293 }
2294 return NULL;
2295 }
2296
2297 /*
2298 * Look through a CRLDP structure and attempt to find an http URL to
2299 * downloads a CRL from.
2300 */
2301
2302 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2303 {
2304 int i;
2305 const char *urlptr = NULL;
2306 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2307 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2308 urlptr = get_dp_url(dp);
2309 if (urlptr)
2310 return load_crl(urlptr, "CRL via CDP");
2311 }
2312 return NULL;
2313 }
2314
2315 /*
2316 * Example of downloading CRLs from CRLDP:
2317 * not usable for real world as it always downloads and doesn't cache anything.
2318 */
2319
2320 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2321 const X509_NAME *nm)
2322 {
2323 X509 *x;
2324 STACK_OF(X509_CRL) *crls = NULL;
2325 X509_CRL *crl;
2326 STACK_OF(DIST_POINT) *crldp;
2327
2328 crls = sk_X509_CRL_new_null();
2329 if (!crls)
2330 return NULL;
2331 x = X509_STORE_CTX_get_current_cert(ctx);
2332 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2333 crl = load_crl_crldp(crldp);
2334 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2335 if (!crl) {
2336 sk_X509_CRL_free(crls);
2337 return NULL;
2338 }
2339 sk_X509_CRL_push(crls, crl);
2340 /* Try to download delta CRL */
2341 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2342 crl = load_crl_crldp(crldp);
2343 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2344 if (crl)
2345 sk_X509_CRL_push(crls, crl);
2346 return crls;
2347 }
2348
2349 void store_setup_crl_download(X509_STORE *st)
2350 {
2351 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2352 }
2353
2354 #ifndef OPENSSL_NO_SOCK
2355 static const char *tls_error_hint(void)
2356 {
2357 unsigned long err = ERR_peek_error();
2358
2359 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2360 err = ERR_peek_last_error();
2361 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2362 return NULL;
2363
2364 switch (ERR_GET_REASON(err)) {
2365 case SSL_R_WRONG_VERSION_NUMBER:
2366 return "The server does not support (a suitable version of) TLS";
2367 case SSL_R_UNKNOWN_PROTOCOL:
2368 return "The server does not support HTTPS";
2369 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2370 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2371 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2372 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2373 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2374 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2375 default: /* no error or no hint available for error */
2376 return NULL;
2377 }
2378 }
2379
2380 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2381 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2382 {
2383 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2384 SSL_CTX *ssl_ctx = info->ssl_ctx;
2385 SSL *ssl;
2386 BIO *sbio = NULL;
2387
2388 if (connect && detail) { /* connecting with TLS */
2389 if ((info->use_proxy
2390 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2391 NULL, NULL, /* no proxy credentials */
2392 info->timeout, bio_err, opt_getprog()))
2393 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2394 return NULL;
2395 }
2396 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2397 BIO_free(sbio);
2398 return NULL;
2399 }
2400
2401 SSL_set_tlsext_host_name(ssl, info->server);
2402
2403 SSL_set_connect_state(ssl);
2404 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2405
2406 hbio = BIO_push(sbio, hbio);
2407 } else if (!connect && !detail) { /* disconnecting after error */
2408 const char *hint = tls_error_hint();
2409 if (hint != NULL)
2410 ERR_add_error_data(2, " : ", hint);
2411 /*
2412 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2413 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2414 */
2415 }
2416 return hbio;
2417 }
2418
2419 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2420 const char *no_proxy, SSL_CTX *ssl_ctx,
2421 const STACK_OF(CONF_VALUE) *headers,
2422 long timeout, const char *expected_content_type,
2423 const ASN1_ITEM *it)
2424 {
2425 APP_HTTP_TLS_INFO info;
2426 char *server;
2427 char *port;
2428 int use_ssl;
2429 ASN1_VALUE *resp = NULL;
2430
2431 if (url == NULL || it == NULL) {
2432 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2433 return NULL;
2434 }
2435
2436 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2437 NULL /* port_num, */, NULL, NULL, NULL))
2438 return NULL;
2439 if (use_ssl && ssl_ctx == NULL) {
2440 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2441 "missing SSL_CTX");
2442 goto end;
2443 }
2444
2445 info.server = server;
2446 info.port = port;
2447 info.use_proxy = proxy != NULL;
2448 info.timeout = timeout;
2449 info.ssl_ctx = ssl_ctx;
2450 resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
2451 NULL, NULL, app_http_tls_cb, &info,
2452 headers, 0 /* maxline */, 0 /* max_resp_len */,
2453 timeout, expected_content_type, it);
2454 end:
2455 OPENSSL_free(server);
2456 OPENSSL_free(port);
2457 return resp;
2458
2459 }
2460
2461 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2462 const char *path, const char *proxy,
2463 const char *no_proxy, SSL_CTX *ssl_ctx,
2464 const STACK_OF(CONF_VALUE) *headers,
2465 const char *content_type,
2466 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2467 long timeout, const ASN1_ITEM *rsp_it)
2468 {
2469 APP_HTTP_TLS_INFO info;
2470
2471 info.server = host;
2472 info.port = port;
2473 info.use_proxy = proxy != NULL;
2474 info.timeout = timeout;
2475 info.ssl_ctx = ssl_ctx;
2476 return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
2477 proxy, no_proxy,
2478 NULL, NULL, app_http_tls_cb, &info,
2479 headers, content_type, req, req_it,
2480 0 /* maxline */,
2481 0 /* max_resp_len */, timeout, NULL, rsp_it);
2482 }
2483
2484 #endif
2485
2486 /*
2487 * Platform-specific sections
2488 */
2489 #if defined(_WIN32)
2490 # ifdef fileno
2491 # undef fileno
2492 # define fileno(a) (int)_fileno(a)
2493 # endif
2494
2495 # include <windows.h>
2496 # include <tchar.h>
2497
2498 static int WIN32_rename(const char *from, const char *to)
2499 {
2500 TCHAR *tfrom = NULL, *tto;
2501 DWORD err;
2502 int ret = 0;
2503
2504 if (sizeof(TCHAR) == 1) {
2505 tfrom = (TCHAR *)from;
2506 tto = (TCHAR *)to;
2507 } else { /* UNICODE path */
2508
2509 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2510 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2511 if (tfrom == NULL)
2512 goto err;
2513 tto = tfrom + flen;
2514 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2515 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2516 # endif
2517 for (i = 0; i < flen; i++)
2518 tfrom[i] = (TCHAR)from[i];
2519 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2520 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2521 # endif
2522 for (i = 0; i < tlen; i++)
2523 tto[i] = (TCHAR)to[i];
2524 }
2525
2526 if (MoveFile(tfrom, tto))
2527 goto ok;
2528 err = GetLastError();
2529 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2530 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2531 goto ok;
2532 err = GetLastError();
2533 }
2534 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2535 errno = ENOENT;
2536 else if (err == ERROR_ACCESS_DENIED)
2537 errno = EACCES;
2538 else
2539 errno = EINVAL; /* we could map more codes... */
2540 err:
2541 ret = -1;
2542 ok:
2543 if (tfrom != NULL && tfrom != (TCHAR *)from)
2544 free(tfrom);
2545 return ret;
2546 }
2547 #endif
2548
2549 /* app_tminterval section */
2550 #if defined(_WIN32)
2551 double app_tminterval(int stop, int usertime)
2552 {
2553 FILETIME now;
2554 double ret = 0;
2555 static ULARGE_INTEGER tmstart;
2556 static int warning = 1;
2557 # ifdef _WIN32_WINNT
2558 static HANDLE proc = NULL;
2559
2560 if (proc == NULL) {
2561 if (check_winnt())
2562 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2563 GetCurrentProcessId());
2564 if (proc == NULL)
2565 proc = (HANDLE) - 1;
2566 }
2567
2568 if (usertime && proc != (HANDLE) - 1) {
2569 FILETIME junk;
2570 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2571 } else
2572 # endif
2573 {
2574 SYSTEMTIME systime;
2575
2576 if (usertime && warning) {
2577 BIO_printf(bio_err, "To get meaningful results, run "
2578 "this program on idle system.\n");
2579 warning = 0;
2580 }
2581 GetSystemTime(&systime);
2582 SystemTimeToFileTime(&systime, &now);
2583 }
2584
2585 if (stop == TM_START) {
2586 tmstart.u.LowPart = now.dwLowDateTime;
2587 tmstart.u.HighPart = now.dwHighDateTime;
2588 } else {
2589 ULARGE_INTEGER tmstop;
2590
2591 tmstop.u.LowPart = now.dwLowDateTime;
2592 tmstop.u.HighPart = now.dwHighDateTime;
2593
2594 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2595 }
2596
2597 return ret;
2598 }
2599 #elif defined(OPENSSL_SYS_VXWORKS)
2600 # include <time.h>
2601
2602 double app_tminterval(int stop, int usertime)
2603 {
2604 double ret = 0;
2605 # ifdef CLOCK_REALTIME
2606 static struct timespec tmstart;
2607 struct timespec now;
2608 # else
2609 static unsigned long tmstart;
2610 unsigned long now;
2611 # endif
2612 static int warning = 1;
2613
2614 if (usertime && warning) {
2615 BIO_printf(bio_err, "To get meaningful results, run "
2616 "this program on idle system.\n");
2617 warning = 0;
2618 }
2619 # ifdef CLOCK_REALTIME
2620 clock_gettime(CLOCK_REALTIME, &now);
2621 if (stop == TM_START)
2622 tmstart = now;
2623 else
2624 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2625 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2626 # else
2627 now = tickGet();
2628 if (stop == TM_START)
2629 tmstart = now;
2630 else
2631 ret = (now - tmstart) / (double)sysClkRateGet();
2632 # endif
2633 return ret;
2634 }
2635
2636 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2637 # include <sys/times.h>
2638
2639 double app_tminterval(int stop, int usertime)
2640 {
2641 double ret = 0;
2642 struct tms rus;
2643 clock_t now = times(&rus);
2644 static clock_t tmstart;
2645
2646 if (usertime)
2647 now = rus.tms_utime;
2648
2649 if (stop == TM_START) {
2650 tmstart = now;
2651 } else {
2652 long int tck = sysconf(_SC_CLK_TCK);
2653 ret = (now - tmstart) / (double)tck;
2654 }
2655
2656 return ret;
2657 }
2658
2659 #else
2660 # include <sys/time.h>
2661 # include <sys/resource.h>
2662
2663 double app_tminterval(int stop, int usertime)
2664 {
2665 double ret = 0;
2666 struct rusage rus;
2667 struct timeval now;
2668 static struct timeval tmstart;
2669
2670 if (usertime)
2671 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2672 else
2673 gettimeofday(&now, NULL);
2674
2675 if (stop == TM_START)
2676 tmstart = now;
2677 else
2678 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2679 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2680
2681 return ret;
2682 }
2683 #endif
2684
2685 int app_access(const char* name, int flag)
2686 {
2687 #ifdef _WIN32
2688 return _access(name, flag);
2689 #else
2690 return access(name, flag);
2691 #endif
2692 }
2693
2694 int app_isdir(const char *name)
2695 {
2696 return opt_isdir(name);
2697 }
2698
2699 /* raw_read|write section */
2700 #if defined(__VMS)
2701 # include "vms_term_sock.h"
2702 static int stdin_sock = -1;
2703
2704 static void close_stdin_sock(void)
2705 {
2706 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2707 }
2708
2709 int fileno_stdin(void)
2710 {
2711 if (stdin_sock == -1) {
2712 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2713 atexit(close_stdin_sock);
2714 }
2715
2716 return stdin_sock;
2717 }
2718 #else
2719 int fileno_stdin(void)
2720 {
2721 return fileno(stdin);
2722 }
2723 #endif
2724
2725 int fileno_stdout(void)
2726 {
2727 return fileno(stdout);
2728 }
2729
2730 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2731 int raw_read_stdin(void *buf, int siz)
2732 {
2733 DWORD n;
2734 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2735 return n;
2736 else
2737 return -1;
2738 }
2739 #elif defined(__VMS)
2740 # include <sys/socket.h>
2741
2742 int raw_read_stdin(void *buf, int siz)
2743 {
2744 return recv(fileno_stdin(), buf, siz, 0);
2745 }
2746 #else
2747 # if defined(__TANDEM)
2748 # if defined(OPENSSL_TANDEM_FLOSS)
2749 # include <floss.h(floss_read)>
2750 # endif
2751 # endif
2752 int raw_read_stdin(void *buf, int siz)
2753 {
2754 return read(fileno_stdin(), buf, siz);
2755 }
2756 #endif
2757
2758 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2759 int raw_write_stdout(const void *buf, int siz)
2760 {
2761 DWORD n;
2762 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2763 return n;
2764 else
2765 return -1;
2766 }
2767 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2768 # if defined(__TANDEM)
2769 # if defined(OPENSSL_TANDEM_FLOSS)
2770 # include <floss.h(floss_write)>
2771 # endif
2772 # endif
2773 int raw_write_stdout(const void *buf,int siz)
2774 {
2775 return write(fileno(stdout),(void*)buf,siz);
2776 }
2777 #else
2778 # if defined(__TANDEM)
2779 # if defined(OPENSSL_TANDEM_FLOSS)
2780 # include <floss.h(floss_write)>
2781 # endif
2782 # endif
2783 int raw_write_stdout(const void *buf, int siz)
2784 {
2785 return write(fileno_stdout(), buf, siz);
2786 }
2787 #endif
2788
2789 /*
2790 * Centralized handling of input and output files with format specification
2791 * The format is meant to show what the input and output is supposed to be,
2792 * and is therefore a show of intent more than anything else. However, it
2793 * does impact behavior on some platforms, such as differentiating between
2794 * text and binary input/output on non-Unix platforms
2795 */
2796 BIO *dup_bio_in(int format)
2797 {
2798 return BIO_new_fp(stdin,
2799 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2800 }
2801
2802 BIO *dup_bio_out(int format)
2803 {
2804 BIO *b = BIO_new_fp(stdout,
2805 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2806 void *prefix = NULL;
2807
2808 #ifdef OPENSSL_SYS_VMS
2809 if (FMT_istext(format))
2810 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2811 #endif
2812
2813 if (FMT_istext(format)
2814 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2815 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2816 BIO_set_prefix(b, prefix);
2817 }
2818
2819 return b;
2820 }
2821
2822 BIO *dup_bio_err(int format)
2823 {
2824 BIO *b = BIO_new_fp(stderr,
2825 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2826 #ifdef OPENSSL_SYS_VMS
2827 if (FMT_istext(format))
2828 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2829 #endif
2830 return b;
2831 }
2832
2833 void unbuffer(FILE *fp)
2834 {
2835 /*
2836 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2837 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2838 * However, we trust that the C RTL will never give us a FILE pointer
2839 * above the first 4 GB of memory, so we simply turn off the warning
2840 * temporarily.
2841 */
2842 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2843 # pragma environment save
2844 # pragma message disable maylosedata2
2845 #endif
2846 setbuf(fp, NULL);
2847 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2848 # pragma environment restore
2849 #endif
2850 }
2851
2852 static const char *modestr(char mode, int format)
2853 {
2854 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2855
2856 switch (mode) {
2857 case 'a':
2858 return FMT_istext(format) ? "a" : "ab";
2859 case 'r':
2860 return FMT_istext(format) ? "r" : "rb";
2861 case 'w':
2862 return FMT_istext(format) ? "w" : "wb";
2863 }
2864 /* The assert above should make sure we never reach this point */
2865 return NULL;
2866 }
2867
2868 static const char *modeverb(char mode)
2869 {
2870 switch (mode) {
2871 case 'a':
2872 return "appending";
2873 case 'r':
2874 return "reading";
2875 case 'w':
2876 return "writing";
2877 }
2878 return "(doing something)";
2879 }
2880
2881 /*
2882 * Open a file for writing, owner-read-only.
2883 */
2884 BIO *bio_open_owner(const char *filename, int format, int private)
2885 {
2886 FILE *fp = NULL;
2887 BIO *b = NULL;
2888 int fd = -1, bflags, mode, textmode;
2889
2890 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2891 return bio_open_default(filename, 'w', format);
2892
2893 mode = O_WRONLY;
2894 #ifdef O_CREAT
2895 mode |= O_CREAT;
2896 #endif
2897 #ifdef O_TRUNC
2898 mode |= O_TRUNC;
2899 #endif
2900 textmode = FMT_istext(format);
2901 if (!textmode) {
2902 #ifdef O_BINARY
2903 mode |= O_BINARY;
2904 #elif defined(_O_BINARY)
2905 mode |= _O_BINARY;
2906 #endif
2907 }
2908
2909 #ifdef OPENSSL_SYS_VMS
2910 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2911 * it still needs to know that we're going binary, or fdopen()
2912 * will fail with "invalid argument"... so we tell VMS what the
2913 * context is.
2914 */
2915 if (!textmode)
2916 fd = open(filename, mode, 0600, "ctx=bin");
2917 else
2918 #endif
2919 fd = open(filename, mode, 0600);
2920 if (fd < 0)
2921 goto err;
2922 fp = fdopen(fd, modestr('w', format));
2923 if (fp == NULL)
2924 goto err;
2925 bflags = BIO_CLOSE;
2926 if (textmode)
2927 bflags |= BIO_FP_TEXT;
2928 b = BIO_new_fp(fp, bflags);
2929 if (b)
2930 return b;
2931
2932 err:
2933 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2934 opt_getprog(), filename, strerror(errno));
2935 ERR_print_errors(bio_err);
2936 /* If we have fp, then fdopen took over fd, so don't close both. */
2937 if (fp)
2938 fclose(fp);
2939 else if (fd >= 0)
2940 close(fd);
2941 return NULL;
2942 }
2943
2944 static BIO *bio_open_default_(const char *filename, char mode, int format,
2945 int quiet)
2946 {
2947 BIO *ret;
2948
2949 if (filename == NULL || strcmp(filename, "-") == 0) {
2950 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2951 if (quiet) {
2952 ERR_clear_error();
2953 return ret;
2954 }
2955 if (ret != NULL)
2956 return ret;
2957 BIO_printf(bio_err,
2958 "Can't open %s, %s\n",
2959 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2960 } else {
2961 ret = BIO_new_file(filename, modestr(mode, format));
2962 if (quiet) {
2963 ERR_clear_error();
2964 return ret;
2965 }
2966 if (ret != NULL)
2967 return ret;
2968 BIO_printf(bio_err,
2969 "Can't open \"%s\" for %s, %s\n",
2970 filename, modeverb(mode), strerror(errno));
2971 }
2972 ERR_print_errors(bio_err);
2973 return NULL;
2974 }
2975
2976 BIO *bio_open_default(const char *filename, char mode, int format)
2977 {
2978 return bio_open_default_(filename, mode, format, 0);
2979 }
2980
2981 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
2982 {
2983 return bio_open_default_(filename, mode, format, 1);
2984 }
2985
2986 void wait_for_async(SSL *s)
2987 {
2988 /* On Windows select only works for sockets, so we simply don't wait */
2989 #ifndef OPENSSL_SYS_WINDOWS
2990 int width = 0;
2991 fd_set asyncfds;
2992 OSSL_ASYNC_FD *fds;
2993 size_t numfds;
2994 size_t i;
2995
2996 if (!SSL_get_all_async_fds(s, NULL, &numfds))
2997 return;
2998 if (numfds == 0)
2999 return;
3000 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3001 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3002 OPENSSL_free(fds);
3003 return;
3004 }
3005
3006 FD_ZERO(&asyncfds);
3007 for (i = 0; i < numfds; i++) {
3008 if (width <= (int)fds[i])
3009 width = (int)fds[i] + 1;
3010 openssl_fdset((int)fds[i], &asyncfds);
3011 }
3012 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3013 OPENSSL_free(fds);
3014 #endif
3015 }
3016
3017 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3018 #if defined(OPENSSL_SYS_MSDOS)
3019 int has_stdin_waiting(void)
3020 {
3021 # if defined(OPENSSL_SYS_WINDOWS)
3022 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3023 DWORD events = 0;
3024 INPUT_RECORD inputrec;
3025 DWORD insize = 1;
3026 BOOL peeked;
3027
3028 if (inhand == INVALID_HANDLE_VALUE) {
3029 return 0;
3030 }
3031
3032 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3033 if (!peeked) {
3034 /* Probably redirected input? _kbhit() does not work in this case */
3035 if (!feof(stdin)) {
3036 return 1;
3037 }
3038 return 0;
3039 }
3040 # endif
3041 return _kbhit();
3042 }
3043 #endif
3044
3045 /* Corrupt a signature by modifying final byte */
3046 void corrupt_signature(const ASN1_STRING *signature)
3047 {
3048 unsigned char *s = signature->data;
3049 s[signature->length - 1] ^= 0x1;
3050 }
3051
3052 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3053 int days)
3054 {
3055 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3056 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3057 return 0;
3058 } else {
3059 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3060 return 0;
3061 }
3062 if (enddate == NULL) {
3063 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3064 == NULL)
3065 return 0;
3066 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3067 return 0;
3068 }
3069 return 1;
3070 }
3071
3072 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3073 {
3074 int ret = 0;
3075 ASN1_TIME *tm = ASN1_TIME_new();
3076
3077 if (tm == NULL)
3078 goto end;
3079
3080 if (lastupdate == NULL) {
3081 if (X509_gmtime_adj(tm, 0) == NULL)
3082 goto end;
3083 } else {
3084 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3085 goto end;
3086 }
3087
3088 if (!X509_CRL_set1_lastUpdate(crl, tm))
3089 goto end;
3090
3091 ret = 1;
3092 end:
3093 ASN1_TIME_free(tm);
3094 return ret;
3095 }
3096
3097 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3098 long days, long hours, long secs)
3099 {
3100 int ret = 0;
3101 ASN1_TIME *tm = ASN1_TIME_new();
3102
3103 if (tm == NULL)
3104 goto end;
3105
3106 if (nextupdate == NULL) {
3107 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3108 goto end;
3109 } else {
3110 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3111 goto end;
3112 }
3113
3114 if (!X509_CRL_set1_nextUpdate(crl, tm))
3115 goto end;
3116
3117 ret = 1;
3118 end:
3119 ASN1_TIME_free(tm);
3120 return ret;
3121 }
3122
3123 void make_uppercase(char *string)
3124 {
3125 int i;
3126
3127 for (i = 0; string[i] != '\0'; i++)
3128 string[i] = toupper((unsigned char)string[i]);
3129 }
3130
3131 int opt_printf_stderr(const char *fmt, ...)
3132 {
3133 va_list ap;
3134 int ret;
3135
3136 va_start(ap, fmt);
3137 ret = BIO_vprintf(bio_err, fmt, ap);
3138 va_end(ap);
3139 return ret;
3140 }
3141
3142 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3143 const OSSL_PARAM *paramdefs)
3144 {
3145 OSSL_PARAM *params = NULL;
3146 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3147 size_t params_n;
3148 char *opt = "", *stmp, *vtmp = NULL;
3149 int found = 1;
3150
3151 if (opts == NULL)
3152 return NULL;
3153
3154 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3155 if (params == NULL)
3156 return NULL;
3157
3158 for (params_n = 0; params_n < sz; params_n++) {
3159 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3160 if ((stmp = OPENSSL_strdup(opt)) == NULL
3161 || (vtmp = strchr(stmp, ':')) == NULL)
3162 goto err;
3163 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3164 *vtmp = 0;
3165 /* Skip over the separator so that vmtp points to the value */
3166 vtmp++;
3167 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3168 stmp, vtmp, strlen(vtmp), &found))
3169 goto err;
3170 OPENSSL_free(stmp);
3171 }
3172 params[params_n] = OSSL_PARAM_construct_end();
3173 return params;
3174 err:
3175 OPENSSL_free(stmp);
3176 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3177 opt);
3178 ERR_print_errors(bio_err);
3179 app_params_free(params);
3180 return NULL;
3181 }
3182
3183 void app_params_free(OSSL_PARAM *params)
3184 {
3185 int i;
3186
3187 if (params != NULL) {
3188 for (i = 0; params[i].key != NULL; ++i)
3189 OPENSSL_free(params[i].data);
3190 OPENSSL_free(params);
3191 }
3192 }
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