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apps/cmp.c and APP_HTTP_TLS_INFO: Fix use-after-free and add proper free() function
[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, 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(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 /*
832 * Load those types of credentials for which the result pointer is not NULL.
833 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
834 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
835 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
836 * If pcerts is non-NULL then all available certificates are appended to *pcerts
837 * except any certificate assigned to *pcert.
838 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
839 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
840 * except any CRL assigned to *pcrl.
841 * In any case (also on error) the caller is responsible for freeing all members
842 * of *pcerts and *pcrls (as far as they are not NULL).
843 */
844 int load_key_certs_crls(const char *uri, int maybe_stdin,
845 const char *pass, const char *desc,
846 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
847 EVP_PKEY **pparams,
848 X509 **pcert, STACK_OF(X509) **pcerts,
849 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
850 {
851 PW_CB_DATA uidata;
852 OSSL_STORE_CTX *ctx = NULL;
853 OSSL_LIB_CTX *libctx = app_get0_libctx();
854 const char *propq = app_get0_propq();
855 int ncerts = 0;
856 int ncrls = 0;
857 const char *failed =
858 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
859 pparams != NULL ? "params" : pcert != NULL ? "cert" :
860 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
861 pcrls != NULL ? "CRLs" : NULL;
862 int cnt_expectations = 0;
863 int expect = 0;
864 /* TODO make use of the engine reference 'eng' when loading pkeys */
865
866 if (ppkey != NULL) {
867 *ppkey = NULL;
868 cnt_expectations++;
869 expect = OSSL_STORE_INFO_PKEY;
870 }
871 if (ppubkey != NULL) {
872 *ppubkey = NULL;
873 cnt_expectations++;
874 expect = OSSL_STORE_INFO_PUBKEY;
875 }
876 if (pparams != NULL) {
877 *pparams = NULL;
878 cnt_expectations++;
879 expect = OSSL_STORE_INFO_PARAMS;
880 }
881 if (pcert != NULL) {
882 *pcert = NULL;
883 cnt_expectations++;
884 expect = OSSL_STORE_INFO_CERT;
885 }
886 if (failed == NULL) {
887 BIO_printf(bio_err, "Internal error: nothing to load into from %s\n",
888 uri != NULL ? uri : "<stdin>");
889 return 0;
890 }
891
892 if (pcerts != NULL) {
893 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
894 BIO_printf(bio_err, "Out of memory loading");
895 goto end;
896 }
897 cnt_expectations++;
898 expect = OSSL_STORE_INFO_CERT;
899 }
900 if (pcrl != NULL) {
901 *pcrl = NULL;
902 cnt_expectations++;
903 expect = OSSL_STORE_INFO_CRL;
904 }
905 if (pcrls != NULL) {
906 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
907 BIO_printf(bio_err, "Out of memory loading");
908 goto end;
909 }
910 cnt_expectations++;
911 expect = OSSL_STORE_INFO_CRL;
912 }
913
914 uidata.password = pass;
915 uidata.prompt_info = uri;
916
917 if (uri == NULL) {
918 BIO *bio;
919
920 if (!maybe_stdin) {
921 BIO_printf(bio_err, "No filename or uri specified for loading");
922 goto end;
923 }
924 uri = "<stdin>";
925 unbuffer(stdin);
926 bio = BIO_new_fp(stdin, 0);
927 if (bio != NULL)
928 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
929 get_ui_method(), &uidata, NULL, NULL);
930 } else {
931 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
932 NULL, NULL);
933 }
934 if (ctx == NULL) {
935 BIO_printf(bio_err, "Could not open file or uri for loading");
936 goto end;
937 }
938
939 if (cnt_expectations != 1)
940 expect = 0;
941 if (!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 EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
2154 {
2155 EVP_PKEY_CTX *pkctx = NULL;
2156 int def_nid;
2157
2158 if (ctx == NULL)
2159 return 0;
2160 /*
2161 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
2162 * for this algorithm.
2163 */
2164 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
2165 && def_nid == NID_undef) {
2166 /* The signing algorithm requires there to be no digest */
2167 md = NULL;
2168 }
2169 return EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey)
2170 && do_pkey_ctx_init(pkctx, sigopts);
2171 }
2172
2173 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2174 const char *name, const char *value, int add_default)
2175 {
2176 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2177 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2178 int idx, rv = 0;
2179
2180 if (new_ext == NULL)
2181 return rv;
2182
2183 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2184 if (idx >= 0) {
2185 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2186 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2187 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2188
2189 if (disabled) {
2190 X509_delete_ext(cert, idx);
2191 X509_EXTENSION_free(found_ext);
2192 } /* else keep existing key identifier, which might be outdated */
2193 rv = 1;
2194 } else {
2195 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2196 }
2197 X509_EXTENSION_free(new_ext);
2198 return rv;
2199 }
2200
2201 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2202 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const EVP_MD *md,
2203 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2204 {
2205 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2206 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2207 int self_sign;
2208 int rv = 0;
2209
2210 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2211 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2212 if (!X509_set_version(cert, 2)) /* Make sure cert is X509 v3 */
2213 goto end;
2214
2215 /*
2216 * Add default SKID before such that default AKID can make use of it
2217 * in case the certificate is self-signed
2218 */
2219 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2220 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2221 goto end;
2222 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2223 ERR_set_mark();
2224 self_sign = X509_check_private_key(cert, pkey);
2225 ERR_pop_to_mark();
2226 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2227 "keyid, issuer", !self_sign))
2228 goto end;
2229
2230 /* TODO any further measures for ensuring default RFC 5280 compliance */
2231 }
2232
2233 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2234 rv = (X509_sign_ctx(cert, mctx) > 0);
2235 end:
2236 EVP_MD_CTX_free(mctx);
2237 return rv;
2238 }
2239
2240 /* Sign the certificate request info */
2241 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
2242 STACK_OF(OPENSSL_STRING) *sigopts)
2243 {
2244 int rv = 0;
2245 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2246
2247 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2248 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2249 EVP_MD_CTX_free(mctx);
2250 return rv;
2251 }
2252
2253 /* Sign the CRL info */
2254 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
2255 STACK_OF(OPENSSL_STRING) *sigopts)
2256 {
2257 int rv = 0;
2258 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2259
2260 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2261 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2262 EVP_MD_CTX_free(mctx);
2263 return rv;
2264 }
2265
2266 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2267 {
2268 int rv = 0;
2269
2270 if (do_x509_init(x, vfyopts) > 0)
2271 rv = (X509_verify(x, pkey) > 0);
2272 return rv;
2273 }
2274
2275 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2276 STACK_OF(OPENSSL_STRING) *vfyopts)
2277 {
2278 int rv = 0;
2279
2280 if (do_x509_req_init(x, vfyopts) > 0)
2281 rv = (X509_REQ_verify(x, pkey) > 0);
2282 return rv;
2283 }
2284
2285 /* Get first http URL from a DIST_POINT structure */
2286
2287 static const char *get_dp_url(DIST_POINT *dp)
2288 {
2289 GENERAL_NAMES *gens;
2290 GENERAL_NAME *gen;
2291 int i, gtype;
2292 ASN1_STRING *uri;
2293 if (!dp->distpoint || dp->distpoint->type != 0)
2294 return NULL;
2295 gens = dp->distpoint->name.fullname;
2296 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2297 gen = sk_GENERAL_NAME_value(gens, i);
2298 uri = GENERAL_NAME_get0_value(gen, &gtype);
2299 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2300 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2301
2302 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2303 return uptr;
2304 }
2305 }
2306 return NULL;
2307 }
2308
2309 /*
2310 * Look through a CRLDP structure and attempt to find an http URL to
2311 * downloads a CRL from.
2312 */
2313
2314 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2315 {
2316 int i;
2317 const char *urlptr = NULL;
2318 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2319 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2320 urlptr = get_dp_url(dp);
2321 if (urlptr)
2322 return load_crl(urlptr, "CRL via CDP");
2323 }
2324 return NULL;
2325 }
2326
2327 /*
2328 * Example of downloading CRLs from CRLDP:
2329 * not usable for real world as it always downloads and doesn't cache anything.
2330 */
2331
2332 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2333 const X509_NAME *nm)
2334 {
2335 X509 *x;
2336 STACK_OF(X509_CRL) *crls = NULL;
2337 X509_CRL *crl;
2338 STACK_OF(DIST_POINT) *crldp;
2339
2340 crls = sk_X509_CRL_new_null();
2341 if (!crls)
2342 return NULL;
2343 x = X509_STORE_CTX_get_current_cert(ctx);
2344 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2345 crl = load_crl_crldp(crldp);
2346 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2347 if (!crl) {
2348 sk_X509_CRL_free(crls);
2349 return NULL;
2350 }
2351 sk_X509_CRL_push(crls, crl);
2352 /* Try to download delta CRL */
2353 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2354 crl = load_crl_crldp(crldp);
2355 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2356 if (crl)
2357 sk_X509_CRL_push(crls, crl);
2358 return crls;
2359 }
2360
2361 void store_setup_crl_download(X509_STORE *st)
2362 {
2363 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2364 }
2365
2366 #ifndef OPENSSL_NO_SOCK
2367 static const char *tls_error_hint(void)
2368 {
2369 unsigned long err = ERR_peek_error();
2370
2371 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2372 err = ERR_peek_last_error();
2373 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2374 return NULL;
2375
2376 switch (ERR_GET_REASON(err)) {
2377 case SSL_R_WRONG_VERSION_NUMBER:
2378 return "The server does not support (a suitable version of) TLS";
2379 case SSL_R_UNKNOWN_PROTOCOL:
2380 return "The server does not support HTTPS";
2381 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2382 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2383 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2384 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2385 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2386 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2387 default: /* no error or no hint available for error */
2388 return NULL;
2389 }
2390 }
2391
2392 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2393 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2394 {
2395 if (connect && detail) { /* connecting with TLS */
2396 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2397 SSL_CTX *ssl_ctx = info->ssl_ctx;
2398 SSL *ssl;
2399 BIO *sbio = NULL;
2400
2401 if ((info->use_proxy
2402 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2403 NULL, NULL, /* no proxy credentials */
2404 info->timeout, bio_err, opt_getprog()))
2405 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2406 return NULL;
2407 }
2408 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2409 BIO_free(sbio);
2410 return NULL;
2411 }
2412
2413 SSL_set_tlsext_host_name(ssl, info->server);
2414
2415 SSL_set_connect_state(ssl);
2416 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2417
2418 hbio = BIO_push(sbio, hbio);
2419 } else if (!connect && !detail) { /* disconnecting after error */
2420 const char *hint = tls_error_hint();
2421
2422 if (hint != NULL)
2423 ERR_add_error_data(2, " : ", hint);
2424 /*
2425 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2426 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2427 */
2428 }
2429 return hbio;
2430 }
2431
2432 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2433 {
2434 if (info != NULL) {
2435 SSL_CTX_free(info->ssl_ctx);
2436 OPENSSL_free(info);
2437 }
2438 }
2439
2440 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2441 const char *no_proxy, SSL_CTX *ssl_ctx,
2442 const STACK_OF(CONF_VALUE) *headers,
2443 long timeout, const char *expected_content_type,
2444 const ASN1_ITEM *it)
2445 {
2446 APP_HTTP_TLS_INFO info;
2447 char *server;
2448 char *port;
2449 int use_ssl;
2450 ASN1_VALUE *resp = NULL;
2451
2452 if (url == NULL || it == NULL) {
2453 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2454 return NULL;
2455 }
2456
2457 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2458 NULL /* port_num, */, NULL, NULL, NULL))
2459 return NULL;
2460 if (use_ssl && ssl_ctx == NULL) {
2461 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2462 "missing SSL_CTX");
2463 goto end;
2464 }
2465
2466 info.server = server;
2467 info.port = port;
2468 info.use_proxy = proxy != NULL;
2469 info.timeout = timeout;
2470 info.ssl_ctx = ssl_ctx;
2471 resp = OSSL_HTTP_get_asn1(url, proxy, no_proxy,
2472 NULL, NULL, app_http_tls_cb, &info,
2473 headers, 0 /* maxline */, 0 /* max_resp_len */,
2474 timeout, expected_content_type, it);
2475 end:
2476 OPENSSL_free(server);
2477 OPENSSL_free(port);
2478 return resp;
2479
2480 }
2481
2482 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2483 const char *path, const char *proxy,
2484 const char *no_proxy, SSL_CTX *ssl_ctx,
2485 const STACK_OF(CONF_VALUE) *headers,
2486 const char *content_type,
2487 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2488 long timeout, const ASN1_ITEM *rsp_it)
2489 {
2490 APP_HTTP_TLS_INFO info;
2491
2492 info.server = host;
2493 info.port = port;
2494 info.use_proxy = proxy != NULL;
2495 info.timeout = timeout;
2496 info.ssl_ctx = ssl_ctx;
2497 return OSSL_HTTP_post_asn1(host, port, path, ssl_ctx != NULL,
2498 proxy, no_proxy,
2499 NULL, NULL, app_http_tls_cb, &info,
2500 headers, content_type, req, req_it,
2501 0 /* maxline */,
2502 0 /* max_resp_len */, timeout, NULL, rsp_it);
2503 }
2504
2505 #endif
2506
2507 /*
2508 * Platform-specific sections
2509 */
2510 #if defined(_WIN32)
2511 # ifdef fileno
2512 # undef fileno
2513 # define fileno(a) (int)_fileno(a)
2514 # endif
2515
2516 # include <windows.h>
2517 # include <tchar.h>
2518
2519 static int WIN32_rename(const char *from, const char *to)
2520 {
2521 TCHAR *tfrom = NULL, *tto;
2522 DWORD err;
2523 int ret = 0;
2524
2525 if (sizeof(TCHAR) == 1) {
2526 tfrom = (TCHAR *)from;
2527 tto = (TCHAR *)to;
2528 } else { /* UNICODE path */
2529
2530 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2531 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2532 if (tfrom == NULL)
2533 goto err;
2534 tto = tfrom + flen;
2535 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2536 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2537 # endif
2538 for (i = 0; i < flen; i++)
2539 tfrom[i] = (TCHAR)from[i];
2540 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2541 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2542 # endif
2543 for (i = 0; i < tlen; i++)
2544 tto[i] = (TCHAR)to[i];
2545 }
2546
2547 if (MoveFile(tfrom, tto))
2548 goto ok;
2549 err = GetLastError();
2550 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2551 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2552 goto ok;
2553 err = GetLastError();
2554 }
2555 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2556 errno = ENOENT;
2557 else if (err == ERROR_ACCESS_DENIED)
2558 errno = EACCES;
2559 else
2560 errno = EINVAL; /* we could map more codes... */
2561 err:
2562 ret = -1;
2563 ok:
2564 if (tfrom != NULL && tfrom != (TCHAR *)from)
2565 free(tfrom);
2566 return ret;
2567 }
2568 #endif
2569
2570 /* app_tminterval section */
2571 #if defined(_WIN32)
2572 double app_tminterval(int stop, int usertime)
2573 {
2574 FILETIME now;
2575 double ret = 0;
2576 static ULARGE_INTEGER tmstart;
2577 static int warning = 1;
2578 # ifdef _WIN32_WINNT
2579 static HANDLE proc = NULL;
2580
2581 if (proc == NULL) {
2582 if (check_winnt())
2583 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2584 GetCurrentProcessId());
2585 if (proc == NULL)
2586 proc = (HANDLE) - 1;
2587 }
2588
2589 if (usertime && proc != (HANDLE) - 1) {
2590 FILETIME junk;
2591 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2592 } else
2593 # endif
2594 {
2595 SYSTEMTIME systime;
2596
2597 if (usertime && warning) {
2598 BIO_printf(bio_err, "To get meaningful results, run "
2599 "this program on idle system.\n");
2600 warning = 0;
2601 }
2602 GetSystemTime(&systime);
2603 SystemTimeToFileTime(&systime, &now);
2604 }
2605
2606 if (stop == TM_START) {
2607 tmstart.u.LowPart = now.dwLowDateTime;
2608 tmstart.u.HighPart = now.dwHighDateTime;
2609 } else {
2610 ULARGE_INTEGER tmstop;
2611
2612 tmstop.u.LowPart = now.dwLowDateTime;
2613 tmstop.u.HighPart = now.dwHighDateTime;
2614
2615 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2616 }
2617
2618 return ret;
2619 }
2620 #elif defined(OPENSSL_SYS_VXWORKS)
2621 # include <time.h>
2622
2623 double app_tminterval(int stop, int usertime)
2624 {
2625 double ret = 0;
2626 # ifdef CLOCK_REALTIME
2627 static struct timespec tmstart;
2628 struct timespec now;
2629 # else
2630 static unsigned long tmstart;
2631 unsigned long now;
2632 # endif
2633 static int warning = 1;
2634
2635 if (usertime && warning) {
2636 BIO_printf(bio_err, "To get meaningful results, run "
2637 "this program on idle system.\n");
2638 warning = 0;
2639 }
2640 # ifdef CLOCK_REALTIME
2641 clock_gettime(CLOCK_REALTIME, &now);
2642 if (stop == TM_START)
2643 tmstart = now;
2644 else
2645 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2646 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2647 # else
2648 now = tickGet();
2649 if (stop == TM_START)
2650 tmstart = now;
2651 else
2652 ret = (now - tmstart) / (double)sysClkRateGet();
2653 # endif
2654 return ret;
2655 }
2656
2657 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2658 # include <sys/times.h>
2659
2660 double app_tminterval(int stop, int usertime)
2661 {
2662 double ret = 0;
2663 struct tms rus;
2664 clock_t now = times(&rus);
2665 static clock_t tmstart;
2666
2667 if (usertime)
2668 now = rus.tms_utime;
2669
2670 if (stop == TM_START) {
2671 tmstart = now;
2672 } else {
2673 long int tck = sysconf(_SC_CLK_TCK);
2674 ret = (now - tmstart) / (double)tck;
2675 }
2676
2677 return ret;
2678 }
2679
2680 #else
2681 # include <sys/time.h>
2682 # include <sys/resource.h>
2683
2684 double app_tminterval(int stop, int usertime)
2685 {
2686 double ret = 0;
2687 struct rusage rus;
2688 struct timeval now;
2689 static struct timeval tmstart;
2690
2691 if (usertime)
2692 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2693 else
2694 gettimeofday(&now, NULL);
2695
2696 if (stop == TM_START)
2697 tmstart = now;
2698 else
2699 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2700 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2701
2702 return ret;
2703 }
2704 #endif
2705
2706 int app_access(const char* name, int flag)
2707 {
2708 #ifdef _WIN32
2709 return _access(name, flag);
2710 #else
2711 return access(name, flag);
2712 #endif
2713 }
2714
2715 int app_isdir(const char *name)
2716 {
2717 return opt_isdir(name);
2718 }
2719
2720 /* raw_read|write section */
2721 #if defined(__VMS)
2722 # include "vms_term_sock.h"
2723 static int stdin_sock = -1;
2724
2725 static void close_stdin_sock(void)
2726 {
2727 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2728 }
2729
2730 int fileno_stdin(void)
2731 {
2732 if (stdin_sock == -1) {
2733 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2734 atexit(close_stdin_sock);
2735 }
2736
2737 return stdin_sock;
2738 }
2739 #else
2740 int fileno_stdin(void)
2741 {
2742 return fileno(stdin);
2743 }
2744 #endif
2745
2746 int fileno_stdout(void)
2747 {
2748 return fileno(stdout);
2749 }
2750
2751 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2752 int raw_read_stdin(void *buf, int siz)
2753 {
2754 DWORD n;
2755 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2756 return n;
2757 else
2758 return -1;
2759 }
2760 #elif defined(__VMS)
2761 # include <sys/socket.h>
2762
2763 int raw_read_stdin(void *buf, int siz)
2764 {
2765 return recv(fileno_stdin(), buf, siz, 0);
2766 }
2767 #else
2768 # if defined(__TANDEM)
2769 # if defined(OPENSSL_TANDEM_FLOSS)
2770 # include <floss.h(floss_read)>
2771 # endif
2772 # endif
2773 int raw_read_stdin(void *buf, int siz)
2774 {
2775 return read(fileno_stdin(), buf, siz);
2776 }
2777 #endif
2778
2779 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2780 int raw_write_stdout(const void *buf, int siz)
2781 {
2782 DWORD n;
2783 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2784 return n;
2785 else
2786 return -1;
2787 }
2788 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2789 # if defined(__TANDEM)
2790 # if defined(OPENSSL_TANDEM_FLOSS)
2791 # include <floss.h(floss_write)>
2792 # endif
2793 # endif
2794 int raw_write_stdout(const void *buf,int siz)
2795 {
2796 return write(fileno(stdout),(void*)buf,siz);
2797 }
2798 #else
2799 # if defined(__TANDEM)
2800 # if defined(OPENSSL_TANDEM_FLOSS)
2801 # include <floss.h(floss_write)>
2802 # endif
2803 # endif
2804 int raw_write_stdout(const void *buf, int siz)
2805 {
2806 return write(fileno_stdout(), buf, siz);
2807 }
2808 #endif
2809
2810 /*
2811 * Centralized handling of input and output files with format specification
2812 * The format is meant to show what the input and output is supposed to be,
2813 * and is therefore a show of intent more than anything else. However, it
2814 * does impact behavior on some platforms, such as differentiating between
2815 * text and binary input/output on non-Unix platforms
2816 */
2817 BIO *dup_bio_in(int format)
2818 {
2819 return BIO_new_fp(stdin,
2820 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2821 }
2822
2823 BIO *dup_bio_out(int format)
2824 {
2825 BIO *b = BIO_new_fp(stdout,
2826 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2827 void *prefix = NULL;
2828
2829 #ifdef OPENSSL_SYS_VMS
2830 if (FMT_istext(format))
2831 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2832 #endif
2833
2834 if (FMT_istext(format)
2835 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2836 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2837 BIO_set_prefix(b, prefix);
2838 }
2839
2840 return b;
2841 }
2842
2843 BIO *dup_bio_err(int format)
2844 {
2845 BIO *b = BIO_new_fp(stderr,
2846 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2847 #ifdef OPENSSL_SYS_VMS
2848 if (FMT_istext(format))
2849 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2850 #endif
2851 return b;
2852 }
2853
2854 void unbuffer(FILE *fp)
2855 {
2856 /*
2857 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2858 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2859 * However, we trust that the C RTL will never give us a FILE pointer
2860 * above the first 4 GB of memory, so we simply turn off the warning
2861 * temporarily.
2862 */
2863 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2864 # pragma environment save
2865 # pragma message disable maylosedata2
2866 #endif
2867 setbuf(fp, NULL);
2868 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2869 # pragma environment restore
2870 #endif
2871 }
2872
2873 static const char *modestr(char mode, int format)
2874 {
2875 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2876
2877 switch (mode) {
2878 case 'a':
2879 return FMT_istext(format) ? "a" : "ab";
2880 case 'r':
2881 return FMT_istext(format) ? "r" : "rb";
2882 case 'w':
2883 return FMT_istext(format) ? "w" : "wb";
2884 }
2885 /* The assert above should make sure we never reach this point */
2886 return NULL;
2887 }
2888
2889 static const char *modeverb(char mode)
2890 {
2891 switch (mode) {
2892 case 'a':
2893 return "appending";
2894 case 'r':
2895 return "reading";
2896 case 'w':
2897 return "writing";
2898 }
2899 return "(doing something)";
2900 }
2901
2902 /*
2903 * Open a file for writing, owner-read-only.
2904 */
2905 BIO *bio_open_owner(const char *filename, int format, int private)
2906 {
2907 FILE *fp = NULL;
2908 BIO *b = NULL;
2909 int fd = -1, bflags, mode, textmode;
2910
2911 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2912 return bio_open_default(filename, 'w', format);
2913
2914 mode = O_WRONLY;
2915 #ifdef O_CREAT
2916 mode |= O_CREAT;
2917 #endif
2918 #ifdef O_TRUNC
2919 mode |= O_TRUNC;
2920 #endif
2921 textmode = FMT_istext(format);
2922 if (!textmode) {
2923 #ifdef O_BINARY
2924 mode |= O_BINARY;
2925 #elif defined(_O_BINARY)
2926 mode |= _O_BINARY;
2927 #endif
2928 }
2929
2930 #ifdef OPENSSL_SYS_VMS
2931 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2932 * it still needs to know that we're going binary, or fdopen()
2933 * will fail with "invalid argument"... so we tell VMS what the
2934 * context is.
2935 */
2936 if (!textmode)
2937 fd = open(filename, mode, 0600, "ctx=bin");
2938 else
2939 #endif
2940 fd = open(filename, mode, 0600);
2941 if (fd < 0)
2942 goto err;
2943 fp = fdopen(fd, modestr('w', format));
2944 if (fp == NULL)
2945 goto err;
2946 bflags = BIO_CLOSE;
2947 if (textmode)
2948 bflags |= BIO_FP_TEXT;
2949 b = BIO_new_fp(fp, bflags);
2950 if (b)
2951 return b;
2952
2953 err:
2954 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
2955 opt_getprog(), filename, strerror(errno));
2956 ERR_print_errors(bio_err);
2957 /* If we have fp, then fdopen took over fd, so don't close both. */
2958 if (fp)
2959 fclose(fp);
2960 else if (fd >= 0)
2961 close(fd);
2962 return NULL;
2963 }
2964
2965 static BIO *bio_open_default_(const char *filename, char mode, int format,
2966 int quiet)
2967 {
2968 BIO *ret;
2969
2970 if (filename == NULL || strcmp(filename, "-") == 0) {
2971 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
2972 if (quiet) {
2973 ERR_clear_error();
2974 return ret;
2975 }
2976 if (ret != NULL)
2977 return ret;
2978 BIO_printf(bio_err,
2979 "Can't open %s, %s\n",
2980 mode == 'r' ? "stdin" : "stdout", strerror(errno));
2981 } else {
2982 ret = BIO_new_file(filename, modestr(mode, format));
2983 if (quiet) {
2984 ERR_clear_error();
2985 return ret;
2986 }
2987 if (ret != NULL)
2988 return ret;
2989 BIO_printf(bio_err,
2990 "Can't open \"%s\" for %s, %s\n",
2991 filename, modeverb(mode), strerror(errno));
2992 }
2993 ERR_print_errors(bio_err);
2994 return NULL;
2995 }
2996
2997 BIO *bio_open_default(const char *filename, char mode, int format)
2998 {
2999 return bio_open_default_(filename, mode, format, 0);
3000 }
3001
3002 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3003 {
3004 return bio_open_default_(filename, mode, format, 1);
3005 }
3006
3007 void wait_for_async(SSL *s)
3008 {
3009 /* On Windows select only works for sockets, so we simply don't wait */
3010 #ifndef OPENSSL_SYS_WINDOWS
3011 int width = 0;
3012 fd_set asyncfds;
3013 OSSL_ASYNC_FD *fds;
3014 size_t numfds;
3015 size_t i;
3016
3017 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3018 return;
3019 if (numfds == 0)
3020 return;
3021 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3022 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3023 OPENSSL_free(fds);
3024 return;
3025 }
3026
3027 FD_ZERO(&asyncfds);
3028 for (i = 0; i < numfds; i++) {
3029 if (width <= (int)fds[i])
3030 width = (int)fds[i] + 1;
3031 openssl_fdset((int)fds[i], &asyncfds);
3032 }
3033 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3034 OPENSSL_free(fds);
3035 #endif
3036 }
3037
3038 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3039 #if defined(OPENSSL_SYS_MSDOS)
3040 int has_stdin_waiting(void)
3041 {
3042 # if defined(OPENSSL_SYS_WINDOWS)
3043 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3044 DWORD events = 0;
3045 INPUT_RECORD inputrec;
3046 DWORD insize = 1;
3047 BOOL peeked;
3048
3049 if (inhand == INVALID_HANDLE_VALUE) {
3050 return 0;
3051 }
3052
3053 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3054 if (!peeked) {
3055 /* Probably redirected input? _kbhit() does not work in this case */
3056 if (!feof(stdin)) {
3057 return 1;
3058 }
3059 return 0;
3060 }
3061 # endif
3062 return _kbhit();
3063 }
3064 #endif
3065
3066 /* Corrupt a signature by modifying final byte */
3067 void corrupt_signature(const ASN1_STRING *signature)
3068 {
3069 unsigned char *s = signature->data;
3070 s[signature->length - 1] ^= 0x1;
3071 }
3072
3073 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3074 int days)
3075 {
3076 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3077 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3078 return 0;
3079 } else {
3080 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3081 return 0;
3082 }
3083 if (enddate == NULL) {
3084 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3085 == NULL)
3086 return 0;
3087 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3088 return 0;
3089 }
3090 return 1;
3091 }
3092
3093 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3094 {
3095 int ret = 0;
3096 ASN1_TIME *tm = ASN1_TIME_new();
3097
3098 if (tm == NULL)
3099 goto end;
3100
3101 if (lastupdate == NULL) {
3102 if (X509_gmtime_adj(tm, 0) == NULL)
3103 goto end;
3104 } else {
3105 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3106 goto end;
3107 }
3108
3109 if (!X509_CRL_set1_lastUpdate(crl, tm))
3110 goto end;
3111
3112 ret = 1;
3113 end:
3114 ASN1_TIME_free(tm);
3115 return ret;
3116 }
3117
3118 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3119 long days, long hours, long secs)
3120 {
3121 int ret = 0;
3122 ASN1_TIME *tm = ASN1_TIME_new();
3123
3124 if (tm == NULL)
3125 goto end;
3126
3127 if (nextupdate == NULL) {
3128 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3129 goto end;
3130 } else {
3131 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3132 goto end;
3133 }
3134
3135 if (!X509_CRL_set1_nextUpdate(crl, tm))
3136 goto end;
3137
3138 ret = 1;
3139 end:
3140 ASN1_TIME_free(tm);
3141 return ret;
3142 }
3143
3144 void make_uppercase(char *string)
3145 {
3146 int i;
3147
3148 for (i = 0; string[i] != '\0'; i++)
3149 string[i] = toupper((unsigned char)string[i]);
3150 }
3151
3152 int opt_printf_stderr(const char *fmt, ...)
3153 {
3154 va_list ap;
3155 int ret;
3156
3157 va_start(ap, fmt);
3158 ret = BIO_vprintf(bio_err, fmt, ap);
3159 va_end(ap);
3160 return ret;
3161 }
3162
3163 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3164 const OSSL_PARAM *paramdefs)
3165 {
3166 OSSL_PARAM *params = NULL;
3167 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3168 size_t params_n;
3169 char *opt = "", *stmp, *vtmp = NULL;
3170 int found = 1;
3171
3172 if (opts == NULL)
3173 return NULL;
3174
3175 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3176 if (params == NULL)
3177 return NULL;
3178
3179 for (params_n = 0; params_n < sz; params_n++) {
3180 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3181 if ((stmp = OPENSSL_strdup(opt)) == NULL
3182 || (vtmp = strchr(stmp, ':')) == NULL)
3183 goto err;
3184 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3185 *vtmp = 0;
3186 /* Skip over the separator so that vmtp points to the value */
3187 vtmp++;
3188 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3189 stmp, vtmp, strlen(vtmp), &found))
3190 goto err;
3191 OPENSSL_free(stmp);
3192 }
3193 params[params_n] = OSSL_PARAM_construct_end();
3194 return params;
3195 err:
3196 OPENSSL_free(stmp);
3197 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3198 opt);
3199 ERR_print_errors(bio_err);
3200 app_params_free(params);
3201 return NULL;
3202 }
3203
3204 void app_params_free(OSSL_PARAM *params)
3205 {
3206 int i;
3207
3208 if (params != NULL) {
3209 for (i = 0; params[i].key != NULL; ++i)
3210 OPENSSL_free(params[i].data);
3211 OPENSSL_free(params);
3212 }
3213 }
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