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HTTP client: Minimal changes that include the improved API
[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 <openssl/core_names.h>
42 #include "s_apps.h"
43 #include "apps.h"
44
45 #ifdef _WIN32
46 static int WIN32_rename(const char *from, const char *to);
47 # define rename(from,to) WIN32_rename((from),(to))
48 #endif
49
50 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
51 # include <conio.h>
52 #endif
53
54 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
55 # define _kbhit kbhit
56 #endif
57
58 static BIO *bio_open_default_(const char *filename, char mode, int format,
59 int quiet);
60
61 #define PASS_SOURCE_SIZE_MAX 4
62
63 DEFINE_STACK_OF(CONF)
64
65 typedef struct {
66 const char *name;
67 unsigned long flag;
68 unsigned long mask;
69 } NAME_EX_TBL;
70
71 static OSSL_LIB_CTX *app_libctx = NULL;
72
73 static int set_table_opts(unsigned long *flags, const char *arg,
74 const NAME_EX_TBL * in_tbl);
75 static int set_multi_opts(unsigned long *flags, const char *arg,
76 const NAME_EX_TBL * in_tbl);
77
78 int app_init(long mesgwin);
79
80 int chopup_args(ARGS *arg, char *buf)
81 {
82 int quoted;
83 char c = '\0', *p = NULL;
84
85 arg->argc = 0;
86 if (arg->size == 0) {
87 arg->size = 20;
88 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
89 }
90
91 for (p = buf;;) {
92 /* Skip whitespace. */
93 while (*p && isspace(_UC(*p)))
94 p++;
95 if (*p == '\0')
96 break;
97
98 /* The start of something good :-) */
99 if (arg->argc >= arg->size) {
100 char **tmp;
101 arg->size += 20;
102 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
103 if (tmp == NULL)
104 return 0;
105 arg->argv = tmp;
106 }
107 quoted = *p == '\'' || *p == '"';
108 if (quoted)
109 c = *p++;
110 arg->argv[arg->argc++] = p;
111
112 /* now look for the end of this */
113 if (quoted) {
114 while (*p && *p != c)
115 p++;
116 *p++ = '\0';
117 } else {
118 while (*p && !isspace(_UC(*p)))
119 p++;
120 if (*p)
121 *p++ = '\0';
122 }
123 }
124 arg->argv[arg->argc] = NULL;
125 return 1;
126 }
127
128 #ifndef APP_INIT
129 int app_init(long mesgwin)
130 {
131 return 1;
132 }
133 #endif
134
135 int ctx_set_verify_locations(SSL_CTX *ctx,
136 const char *CAfile, int noCAfile,
137 const char *CApath, int noCApath,
138 const char *CAstore, int noCAstore)
139 {
140 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
141 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
142 return 0;
143 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
144 return 0;
145 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
146 return 0;
147
148 return 1;
149 }
150
151 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
152 return 0;
153 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
154 return 0;
155 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
156 return 0;
157 return 1;
158 }
159
160 #ifndef OPENSSL_NO_CT
161
162 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
163 {
164 if (path == NULL)
165 return SSL_CTX_set_default_ctlog_list_file(ctx);
166
167 return SSL_CTX_set_ctlog_list_file(ctx, path);
168 }
169
170 #endif
171
172 static unsigned long nmflag = 0;
173 static char nmflag_set = 0;
174
175 int set_nameopt(const char *arg)
176 {
177 int ret = set_name_ex(&nmflag, arg);
178
179 if (ret)
180 nmflag_set = 1;
181
182 return ret;
183 }
184
185 unsigned long get_nameopt(void)
186 {
187 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
188 }
189
190 int dump_cert_text(BIO *out, X509 *x)
191 {
192 print_name(out, "subject=", X509_get_subject_name(x));
193 BIO_puts(out, "\n");
194 print_name(out, "issuer=", X509_get_issuer_name(x));
195 BIO_puts(out, "\n");
196
197 return 0;
198 }
199
200 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
201 {
202 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
203 }
204
205
206 static char *app_get_pass(const char *arg, int keepbio);
207
208 char *get_passwd(const char *pass, const char *desc)
209 {
210 char *result = NULL;
211
212 if (desc == NULL)
213 desc = "<unknown>";
214 if (!app_passwd(pass, NULL, &result, NULL))
215 BIO_printf(bio_err, "Error getting password for %s\n", desc);
216 if (pass != NULL && result == NULL) {
217 BIO_printf(bio_err,
218 "Trying plain input string (better precede with 'pass:')\n");
219 result = OPENSSL_strdup(pass);
220 if (result == NULL)
221 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
222 }
223 return result;
224 }
225
226 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
227 {
228 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
229
230 if (arg1 != NULL) {
231 *pass1 = app_get_pass(arg1, same);
232 if (*pass1 == NULL)
233 return 0;
234 } else if (pass1 != NULL) {
235 *pass1 = NULL;
236 }
237 if (arg2 != NULL) {
238 *pass2 = app_get_pass(arg2, same ? 2 : 0);
239 if (*pass2 == NULL)
240 return 0;
241 } else if (pass2 != NULL) {
242 *pass2 = NULL;
243 }
244 return 1;
245 }
246
247 static char *app_get_pass(const char *arg, int keepbio)
248 {
249 static BIO *pwdbio = NULL;
250 char *tmp, tpass[APP_PASS_LEN];
251 int i;
252
253 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
254 if (strncmp(arg, "pass:", 5) == 0)
255 return OPENSSL_strdup(arg + 5);
256 if (strncmp(arg, "env:", 4) == 0) {
257 tmp = getenv(arg + 4);
258 if (tmp == NULL) {
259 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
260 return NULL;
261 }
262 return OPENSSL_strdup(tmp);
263 }
264 if (!keepbio || pwdbio == NULL) {
265 if (strncmp(arg, "file:", 5) == 0) {
266 pwdbio = BIO_new_file(arg + 5, "r");
267 if (pwdbio == NULL) {
268 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
269 return NULL;
270 }
271 #if !defined(_WIN32)
272 /*
273 * Under _WIN32, which covers even Win64 and CE, file
274 * descriptors referenced by BIO_s_fd are not inherited
275 * by child process and therefore below is not an option.
276 * It could have been an option if bss_fd.c was operating
277 * on real Windows descriptors, such as those obtained
278 * with CreateFile.
279 */
280 } else if (strncmp(arg, "fd:", 3) == 0) {
281 BIO *btmp;
282 i = atoi(arg + 3);
283 if (i >= 0)
284 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
285 if ((i < 0) || !pwdbio) {
286 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
287 return NULL;
288 }
289 /*
290 * Can't do BIO_gets on an fd BIO so add a buffering BIO
291 */
292 btmp = BIO_new(BIO_f_buffer());
293 pwdbio = BIO_push(btmp, pwdbio);
294 #endif
295 } else if (strcmp(arg, "stdin") == 0) {
296 pwdbio = dup_bio_in(FORMAT_TEXT);
297 if (pwdbio == NULL) {
298 BIO_printf(bio_err, "Can't open BIO for stdin\n");
299 return NULL;
300 }
301 } else {
302 /* argument syntax error; do not reveal too much about arg */
303 tmp = strchr(arg, ':');
304 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
305 BIO_printf(bio_err,
306 "Invalid password argument, missing ':' within the first %d chars\n",
307 PASS_SOURCE_SIZE_MAX + 1);
308 else
309 BIO_printf(bio_err,
310 "Invalid password argument, starting with \"%.*s\"\n",
311 (int)(tmp - arg + 1), arg);
312 return NULL;
313 }
314 }
315 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
316 if (keepbio != 1) {
317 BIO_free_all(pwdbio);
318 pwdbio = NULL;
319 }
320 if (i <= 0) {
321 BIO_printf(bio_err, "Error reading password from BIO\n");
322 return NULL;
323 }
324 tmp = strchr(tpass, '\n');
325 if (tmp != NULL)
326 *tmp = 0;
327 return OPENSSL_strdup(tpass);
328 }
329
330 OSSL_LIB_CTX *app_get0_libctx(void)
331 {
332 return app_libctx;
333 }
334
335 static const char *app_propq = NULL;
336
337 int app_set_propq(const char *arg)
338 {
339 app_propq = arg;
340 return 1;
341 }
342
343 const char *app_get0_propq(void)
344 {
345 return app_propq;
346 }
347
348 OSSL_LIB_CTX *app_create_libctx(void)
349 {
350 /*
351 * Load the NULL provider into the default library context and create a
352 * library context which will then be used for any OPT_PROV options.
353 */
354 if (app_libctx == NULL) {
355
356 if (!app_provider_load(NULL, "null")) {
357 BIO_puts(bio_err, "Failed to create null provider\n");
358 return NULL;
359 }
360 app_libctx = OSSL_LIB_CTX_new();
361 }
362 if (app_libctx == NULL)
363 BIO_puts(bio_err, "Failed to create library context\n");
364 return app_libctx;
365 }
366
367 CONF *app_load_config_bio(BIO *in, const char *filename)
368 {
369 long errorline = -1;
370 CONF *conf;
371 int i;
372
373 conf = NCONF_new_ex(app_libctx, NULL);
374 i = NCONF_load_bio(conf, in, &errorline);
375 if (i > 0)
376 return conf;
377
378 if (errorline <= 0) {
379 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
380 } else {
381 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
382 errorline);
383 }
384 if (filename != NULL)
385 BIO_printf(bio_err, "config file \"%s\"\n", filename);
386 else
387 BIO_printf(bio_err, "config input");
388
389 NCONF_free(conf);
390 return NULL;
391 }
392
393 CONF *app_load_config_verbose(const char *filename, int verbose)
394 {
395 if (verbose) {
396 if (*filename == '\0')
397 BIO_printf(bio_err, "No configuration used\n");
398 else
399 BIO_printf(bio_err, "Using configuration from %s\n", filename);
400 }
401 return app_load_config_internal(filename, 0);
402 }
403
404 CONF *app_load_config_internal(const char *filename, int quiet)
405 {
406 BIO *in = NULL; /* leads to empty config in case filename == "" */
407 CONF *conf;
408
409 if (*filename != '\0'
410 && (in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
411 return NULL;
412 conf = app_load_config_bio(in, filename);
413 BIO_free(in);
414 return conf;
415 }
416
417 int app_load_modules(const CONF *config)
418 {
419 CONF *to_free = NULL;
420
421 if (config == NULL)
422 config = to_free = app_load_config_quiet(default_config_file);
423 if (config == NULL)
424 return 1;
425
426 if (CONF_modules_load(config, NULL, 0) <= 0) {
427 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
428 ERR_print_errors(bio_err);
429 NCONF_free(to_free);
430 return 0;
431 }
432 NCONF_free(to_free);
433 return 1;
434 }
435
436 int add_oid_section(CONF *conf)
437 {
438 char *p;
439 STACK_OF(CONF_VALUE) *sktmp;
440 CONF_VALUE *cnf;
441 int i;
442
443 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
444 ERR_clear_error();
445 return 1;
446 }
447 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
448 BIO_printf(bio_err, "problem loading oid section %s\n", p);
449 return 0;
450 }
451 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
452 cnf = sk_CONF_VALUE_value(sktmp, i);
453 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
454 BIO_printf(bio_err, "problem creating object %s=%s\n",
455 cnf->name, cnf->value);
456 return 0;
457 }
458 }
459 return 1;
460 }
461
462 CONF *app_load_config_modules(const char *configfile)
463 {
464 CONF *conf = NULL;
465
466 if (configfile != NULL) {
467 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
468 return NULL;
469 if (configfile != default_config_file && !app_load_modules(conf)) {
470 NCONF_free(conf);
471 conf = NULL;
472 }
473 }
474 return conf;
475 }
476
477 #define IS_HTTP(uri) ((uri) != NULL \
478 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0)
479 #define IS_HTTPS(uri) ((uri) != NULL \
480 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0)
481
482 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
483 const char *pass, const char *desc)
484 {
485 X509 *cert = NULL;
486
487 if (desc == NULL)
488 desc = "certificate";
489 if (IS_HTTPS(uri))
490 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
491 else if (IS_HTTP(uri))
492 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
493 else
494 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
495 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
496 if (cert == NULL) {
497 BIO_printf(bio_err, "Unable to load %s\n", desc);
498 ERR_print_errors(bio_err);
499 }
500 return cert;
501 }
502
503 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
504 const char *desc)
505 {
506 X509_CRL *crl = NULL;
507
508 if (desc == NULL)
509 desc = "CRL";
510 if (IS_HTTPS(uri))
511 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
512 else if (IS_HTTP(uri))
513 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
514 else
515 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
516 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
517 if (crl == NULL) {
518 BIO_printf(bio_err, "Unable to load %s\n", desc);
519 ERR_print_errors(bio_err);
520 }
521 return crl;
522 }
523
524 X509_REQ *load_csr(const char *file, int format, const char *desc)
525 {
526 X509_REQ *req = NULL;
527 BIO *in;
528
529 if (format == FORMAT_UNDEF)
530 format = FORMAT_PEM;
531 if (desc == NULL)
532 desc = "CSR";
533 in = bio_open_default(file, 'r', format);
534 if (in == NULL)
535 goto end;
536
537 if (format == FORMAT_ASN1)
538 req = d2i_X509_REQ_bio(in, NULL);
539 else if (format == FORMAT_PEM)
540 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
541 else
542 print_format_error(format, OPT_FMT_PEMDER);
543
544 end:
545 if (req == NULL) {
546 BIO_printf(bio_err, "Unable to load %s\n", desc);
547 ERR_print_errors(bio_err);
548 }
549 BIO_free(in);
550 return req;
551 }
552
553 void cleanse(char *str)
554 {
555 if (str != NULL)
556 OPENSSL_cleanse(str, strlen(str));
557 }
558
559 void clear_free(char *str)
560 {
561 if (str != NULL)
562 OPENSSL_clear_free(str, strlen(str));
563 }
564
565 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
566 const char *pass, ENGINE *e, const char *desc)
567 {
568 EVP_PKEY *pkey = NULL;
569 char *allocated_uri = NULL;
570
571 if (desc == NULL)
572 desc = "private key";
573
574 if (format == FORMAT_ENGINE) {
575 uri = allocated_uri = make_engine_uri(e, uri, desc);
576 }
577 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc,
578 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
579
580 OPENSSL_free(allocated_uri);
581 return pkey;
582 }
583
584 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
585 const char *pass, ENGINE *e, const char *desc)
586 {
587 EVP_PKEY *pkey = NULL;
588 char *allocated_uri = NULL;
589
590 if (desc == NULL)
591 desc = "public key";
592
593 if (format == FORMAT_ENGINE) {
594 uri = allocated_uri = make_engine_uri(e, uri, desc);
595 }
596 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
597 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
598
599 OPENSSL_free(allocated_uri);
600 return pkey;
601 }
602
603 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
604 const char *keytype, const char *desc)
605 {
606 EVP_PKEY *params = NULL;
607
608 if (desc == NULL)
609 desc = "key parameters";
610
611 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
612 NULL, NULL, &params, NULL, NULL, NULL, NULL);
613 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
614 BIO_printf(bio_err,
615 "Unable to load %s from %s (unexpected parameters type)\n",
616 desc, uri);
617 ERR_print_errors(bio_err);
618 EVP_PKEY_free(params);
619 params = NULL;
620 }
621 return params;
622 }
623
624 void app_bail_out(char *fmt, ...)
625 {
626 va_list args;
627
628 va_start(args, fmt);
629 BIO_vprintf(bio_err, fmt, args);
630 va_end(args);
631 ERR_print_errors(bio_err);
632 exit(1);
633 }
634
635 void *app_malloc(size_t sz, const char *what)
636 {
637 void *vp = OPENSSL_malloc(sz);
638
639 if (vp == NULL)
640 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
641 opt_getprog(), sz, what);
642 return vp;
643 }
644
645 char *next_item(char *opt) /* in list separated by comma and/or space */
646 {
647 /* advance to separator (comma or whitespace), if any */
648 while (*opt != ',' && !isspace(*opt) && *opt != '\0')
649 opt++;
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\n",
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, FORMAT_UNDEF, 0, pass_string, desc,
706 NULL, NULL, NULL,
707 pcert, pcerts, NULL, NULL);
708 clear_free(pass_string);
709
710 if (ret) {
711 if (pcert != NULL)
712 warn_cert(uri, *pcert, 0, vpm);
713 warn_certs(uri, *pcerts, 1, vpm);
714 } else {
715 sk_X509_pop_free(*pcerts, X509_free);
716 *pcerts = NULL;
717 }
718 return ret;
719 }
720
721 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
722 const char *desc, X509_VERIFY_PARAM *vpm)
723 {
724 STACK_OF(X509) *certs = NULL;
725 STACK_OF(X509) *result = sk_X509_new_null();
726
727 if (files == NULL)
728 goto err;
729 if (result == NULL)
730 goto oom;
731
732 while (files != NULL) {
733 char *next = next_item(files);
734
735 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
736 goto err;
737 if (!X509_add_certs(result, certs,
738 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
739 goto oom;
740 sk_X509_pop_free(certs, X509_free);
741 certs = NULL;
742 files = next;
743 }
744 return result;
745
746 oom:
747 BIO_printf(bio_err, "out of memory\n");
748 err:
749 sk_X509_pop_free(certs, X509_free);
750 sk_X509_pop_free(result, X509_free);
751 return NULL;
752 }
753
754 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
755 const STACK_OF(X509) *certs /* may NULL */)
756 {
757 int i;
758
759 if (store == NULL)
760 store = X509_STORE_new();
761 if (store == NULL)
762 return NULL;
763 for (i = 0; i < sk_X509_num(certs); i++) {
764 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
765 X509_STORE_free(store);
766 return NULL;
767 }
768 }
769 return store;
770 }
771
772 /*
773 * Create cert store structure with certificates read from given file(s).
774 * Returns pointer to created X509_STORE on success, NULL on error.
775 */
776 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
777 X509_VERIFY_PARAM *vpm)
778 {
779 X509_STORE *store = NULL;
780 STACK_OF(X509) *certs = NULL;
781
782 while (input != NULL) {
783 char *next = next_item(input);
784 int ok;
785
786 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
787 X509_STORE_free(store);
788 return NULL;
789 }
790 ok = (store = sk_X509_to_store(store, certs)) != NULL;
791 sk_X509_pop_free(certs, X509_free);
792 certs = NULL;
793 if (!ok)
794 return NULL;
795 input = next;
796 }
797 return store;
798 }
799
800 /*
801 * Initialize or extend, if *certs != NULL, a certificate stack.
802 * The caller is responsible for freeing *certs if its value is left not NULL.
803 */
804 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
805 const char *pass, const char *desc)
806 {
807 int was_NULL = *certs == NULL;
808 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin,
809 pass, desc, NULL, NULL,
810 NULL, NULL, certs, NULL, NULL);
811
812 if (!ret && was_NULL) {
813 sk_X509_pop_free(*certs, X509_free);
814 *certs = NULL;
815 }
816 return ret;
817 }
818
819 /*
820 * Initialize or extend, if *crls != NULL, a certificate stack.
821 * The caller is responsible for freeing *crls if its value is left not NULL.
822 */
823 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
824 const char *pass, const char *desc)
825 {
826 int was_NULL = *crls == NULL;
827 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc,
828 NULL, NULL, NULL,
829 NULL, NULL, NULL, crls);
830
831 if (!ret && was_NULL) {
832 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
833 *crls = NULL;
834 }
835 return ret;
836 }
837
838 static const char *format2string(int format)
839 {
840 switch(format) {
841 case FORMAT_PEM:
842 return "PEM";
843 case FORMAT_ASN1:
844 return "DER";
845 }
846 return NULL;
847 }
848
849 /* Set type expectation, but clear it if objects of different types expected. */
850 #define SET_EXPECT(val) expect = expect < 0 ? val : (expect == val ? val : 0);
851 /*
852 * Load those types of credentials for which the result pointer is not NULL.
853 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
854 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
855 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
856 * If pcerts is non-NULL then all available certificates are appended to *pcerts
857 * except any certificate assigned to *pcert.
858 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
859 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
860 * except any CRL assigned to *pcrl.
861 * In any case (also on error) the caller is responsible for freeing all members
862 * of *pcerts and *pcrls (as far as they are not NULL).
863 */
864 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
865 const char *pass, const char *desc,
866 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
867 EVP_PKEY **pparams,
868 X509 **pcert, STACK_OF(X509) **pcerts,
869 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
870 {
871 PW_CB_DATA uidata;
872 OSSL_STORE_CTX *ctx = NULL;
873 OSSL_LIB_CTX *libctx = app_get0_libctx();
874 const char *propq = app_get0_propq();
875 int ncerts = 0;
876 int ncrls = 0;
877 const char *failed =
878 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
879 pparams != NULL ? "params" : pcert != NULL ? "cert" :
880 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
881 pcrls != NULL ? "CRLs" : NULL;
882 int cnt_expectations = 0;
883 int expect = -1;
884 const char *input_type;
885 OSSL_PARAM itp[2];
886 const OSSL_PARAM *params = NULL;
887 /* TODO make use of the engine reference 'eng' when loading pkeys */
888
889 if (ppkey != NULL) {
890 *ppkey = NULL;
891 cnt_expectations++;
892 SET_EXPECT(OSSL_STORE_INFO_PKEY);
893 }
894 if (ppubkey != NULL) {
895 *ppubkey = NULL;
896 cnt_expectations++;
897 SET_EXPECT(OSSL_STORE_INFO_PUBKEY);
898 }
899 if (pparams != NULL) {
900 *pparams = NULL;
901 cnt_expectations++;
902 SET_EXPECT(OSSL_STORE_INFO_PARAMS);
903 }
904 if (pcert != NULL) {
905 *pcert = NULL;
906 cnt_expectations++;
907 SET_EXPECT(OSSL_STORE_INFO_CERT);
908 }
909 if (pcerts != NULL) {
910 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
911 BIO_printf(bio_err, "Out of memory loading");
912 goto end;
913 }
914 cnt_expectations++;
915 SET_EXPECT(OSSL_STORE_INFO_CERT);
916 }
917 if (pcrl != NULL) {
918 *pcrl = NULL;
919 cnt_expectations++;
920 SET_EXPECT(OSSL_STORE_INFO_CRL);
921 }
922 if (pcrls != NULL) {
923 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
924 BIO_printf(bio_err, "Out of memory loading");
925 goto end;
926 }
927 cnt_expectations++;
928 SET_EXPECT(OSSL_STORE_INFO_CRL);
929 }
930 if (cnt_expectations == 0) {
931 BIO_printf(bio_err, "Internal error: nothing to load from %s\n",
932 uri != NULL ? uri : "<stdin>");
933 return 0;
934 }
935
936 uidata.password = pass;
937 uidata.prompt_info = uri;
938
939 if ((input_type = format2string(format)) != NULL) {
940 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
941 (char *)input_type, 0);
942 itp[1] = OSSL_PARAM_construct_end();
943 params = itp;
944 }
945
946 if (uri == NULL) {
947 BIO *bio;
948
949 if (!maybe_stdin) {
950 BIO_printf(bio_err, "No filename or uri specified for loading");
951 goto end;
952 }
953 uri = "<stdin>";
954 unbuffer(stdin);
955 bio = BIO_new_fp(stdin, 0);
956 if (bio != NULL) {
957 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
958 get_ui_method(), &uidata, params,
959 NULL, NULL);
960 BIO_free(bio);
961 }
962 } else {
963 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
964 params, NULL, NULL);
965 }
966 if (ctx == NULL) {
967 BIO_printf(bio_err, "Could not open file or uri for loading");
968 goto end;
969 }
970 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
971 goto end;
972
973 failed = NULL;
974 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
975 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
976 int type, ok = 1;
977
978 /*
979 * This can happen (for example) if we attempt to load a file with
980 * multiple different types of things in it - but the thing we just
981 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
982 * to load a certificate but the file has both the private key and the
983 * certificate in it. We just retry until eof.
984 */
985 if (info == NULL) {
986 if (OSSL_STORE_error(ctx)) {
987 ERR_print_errors(bio_err);
988 ERR_clear_error();
989 }
990 continue;
991 }
992
993 type = OSSL_STORE_INFO_get_type(info);
994 switch (type) {
995 case OSSL_STORE_INFO_PKEY:
996 if (ppkey != NULL && *ppkey == NULL) {
997 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
998 cnt_expectations -= ok;
999 }
1000 /*
1001 * An EVP_PKEY with private parts also holds the public parts,
1002 * so if the caller asked for a public key, and we got a private
1003 * key, we can still pass it back.
1004 */
1005 if (ok && ppubkey != NULL && *ppubkey == NULL) {
1006 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
1007 cnt_expectations -= ok;
1008 }
1009 break;
1010 case OSSL_STORE_INFO_PUBKEY:
1011 if (ppubkey != NULL && *ppubkey == NULL) {
1012 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
1013 cnt_expectations -= ok;
1014 }
1015 break;
1016 case OSSL_STORE_INFO_PARAMS:
1017 if (pparams != NULL && *pparams == NULL) {
1018 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
1019 cnt_expectations -= ok;
1020 }
1021 break;
1022 case OSSL_STORE_INFO_CERT:
1023 if (pcert != NULL && *pcert == NULL) {
1024 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1025 cnt_expectations -= ok;
1026 }
1027 else if (pcerts != NULL)
1028 ok = X509_add_cert(*pcerts,
1029 OSSL_STORE_INFO_get1_CERT(info),
1030 X509_ADD_FLAG_DEFAULT);
1031 ncerts += ok;
1032 break;
1033 case OSSL_STORE_INFO_CRL:
1034 if (pcrl != NULL && *pcrl == NULL) {
1035 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1036 cnt_expectations -= ok;
1037 }
1038 else if (pcrls != NULL)
1039 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1040 ncrls += ok;
1041 break;
1042 default:
1043 /* skip any other type */
1044 break;
1045 }
1046 OSSL_STORE_INFO_free(info);
1047 if (!ok) {
1048 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1049 BIO_printf(bio_err, "Error reading");
1050 break;
1051 }
1052 }
1053
1054 end:
1055 OSSL_STORE_close(ctx);
1056 if (failed == NULL) {
1057 int any = 0;
1058
1059 if ((ppkey != NULL && *ppkey == NULL)
1060 || (ppubkey != NULL && *ppubkey == NULL)) {
1061 failed = "key";
1062 } else if (pparams != NULL && *pparams == NULL) {
1063 failed = "params";
1064 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1065 if (pcert == NULL)
1066 any = 1;
1067 failed = "cert";
1068 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1069 if (pcrl == NULL)
1070 any = 1;
1071 failed = "CRL";
1072 }
1073 if (failed != NULL)
1074 BIO_printf(bio_err, "Could not read");
1075 if (any)
1076 BIO_printf(bio_err, " any");
1077 }
1078 if (failed != NULL) {
1079 if (desc != NULL && strstr(desc, failed) != NULL) {
1080 BIO_printf(bio_err, " %s", desc);
1081 } else {
1082 BIO_printf(bio_err, " %s", failed);
1083 if (desc != NULL)
1084 BIO_printf(bio_err, " of %s", desc);
1085 }
1086 if (uri != NULL)
1087 BIO_printf(bio_err, " from %s", uri);
1088 BIO_printf(bio_err, "\n");
1089 ERR_print_errors(bio_err);
1090 }
1091 return failed == NULL;
1092 }
1093
1094
1095 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1096 /* Return error for unknown extensions */
1097 #define X509V3_EXT_DEFAULT 0
1098 /* Print error for unknown extensions */
1099 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1100 /* ASN1 parse unknown extensions */
1101 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1102 /* BIO_dump unknown extensions */
1103 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1104
1105 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1106 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1107
1108 int set_cert_ex(unsigned long *flags, const char *arg)
1109 {
1110 static const NAME_EX_TBL cert_tbl[] = {
1111 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1112 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1113 {"no_header", X509_FLAG_NO_HEADER, 0},
1114 {"no_version", X509_FLAG_NO_VERSION, 0},
1115 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1116 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1117 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1118 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1119 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1120 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1121 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1122 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1123 {"no_aux", X509_FLAG_NO_AUX, 0},
1124 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1125 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1126 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1127 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1128 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1129 {NULL, 0, 0}
1130 };
1131 return set_multi_opts(flags, arg, cert_tbl);
1132 }
1133
1134 int set_name_ex(unsigned long *flags, const char *arg)
1135 {
1136 static const NAME_EX_TBL ex_tbl[] = {
1137 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1138 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1139 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1140 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1141 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1142 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1143 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1144 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1145 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1146 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1147 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1148 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1149 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1150 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1151 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1152 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1153 {"dn_rev", XN_FLAG_DN_REV, 0},
1154 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1155 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1156 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1157 {"align", XN_FLAG_FN_ALIGN, 0},
1158 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1159 {"space_eq", XN_FLAG_SPC_EQ, 0},
1160 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1161 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1162 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1163 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1164 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1165 {NULL, 0, 0}
1166 };
1167 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1168 return 0;
1169 if (*flags != XN_FLAG_COMPAT
1170 && (*flags & XN_FLAG_SEP_MASK) == 0)
1171 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1172 return 1;
1173 }
1174
1175 int set_ext_copy(int *copy_type, const char *arg)
1176 {
1177 if (strcasecmp(arg, "none") == 0)
1178 *copy_type = EXT_COPY_NONE;
1179 else if (strcasecmp(arg, "copy") == 0)
1180 *copy_type = EXT_COPY_ADD;
1181 else if (strcasecmp(arg, "copyall") == 0)
1182 *copy_type = EXT_COPY_ALL;
1183 else
1184 return 0;
1185 return 1;
1186 }
1187
1188 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1189 {
1190 STACK_OF(X509_EXTENSION) *exts;
1191 int i, ret = 0;
1192
1193 if (x == NULL || req == NULL)
1194 return 0;
1195 if (copy_type == EXT_COPY_NONE)
1196 return 1;
1197 exts = X509_REQ_get_extensions(req);
1198
1199 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1200 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1201 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1202 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1203
1204 /* Does extension exist in target? */
1205 if (idx != -1) {
1206 /* If normal copy don't override existing extension */
1207 if (copy_type == EXT_COPY_ADD)
1208 continue;
1209 /* Delete all extensions of same type */
1210 do {
1211 X509_EXTENSION_free(X509_delete_ext(x, idx));
1212 idx = X509_get_ext_by_OBJ(x, obj, -1);
1213 } while (idx != -1);
1214 }
1215 if (!X509_add_ext(x, ext, -1))
1216 goto end;
1217 }
1218 ret = 1;
1219
1220 end:
1221 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1222 return ret;
1223 }
1224
1225 static int set_multi_opts(unsigned long *flags, const char *arg,
1226 const NAME_EX_TBL * in_tbl)
1227 {
1228 STACK_OF(CONF_VALUE) *vals;
1229 CONF_VALUE *val;
1230 int i, ret = 1;
1231 if (!arg)
1232 return 0;
1233 vals = X509V3_parse_list(arg);
1234 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1235 val = sk_CONF_VALUE_value(vals, i);
1236 if (!set_table_opts(flags, val->name, in_tbl))
1237 ret = 0;
1238 }
1239 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1240 return ret;
1241 }
1242
1243 static int set_table_opts(unsigned long *flags, const char *arg,
1244 const NAME_EX_TBL * in_tbl)
1245 {
1246 char c;
1247 const NAME_EX_TBL *ptbl;
1248 c = arg[0];
1249
1250 if (c == '-') {
1251 c = 0;
1252 arg++;
1253 } else if (c == '+') {
1254 c = 1;
1255 arg++;
1256 } else {
1257 c = 1;
1258 }
1259
1260 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1261 if (strcasecmp(arg, ptbl->name) == 0) {
1262 *flags &= ~ptbl->mask;
1263 if (c)
1264 *flags |= ptbl->flag;
1265 else
1266 *flags &= ~ptbl->flag;
1267 return 1;
1268 }
1269 }
1270 return 0;
1271 }
1272
1273 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1274 {
1275 char *buf;
1276 char mline = 0;
1277 int indent = 0;
1278 unsigned long lflags = get_nameopt();
1279
1280 if (title != NULL)
1281 BIO_puts(out, title);
1282 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1283 mline = 1;
1284 indent = 4;
1285 }
1286 if (lflags == XN_FLAG_COMPAT) {
1287 buf = X509_NAME_oneline(nm, 0, 0);
1288 BIO_puts(out, buf);
1289 BIO_puts(out, "\n");
1290 OPENSSL_free(buf);
1291 } else {
1292 if (mline)
1293 BIO_puts(out, "\n");
1294 X509_NAME_print_ex(out, nm, indent, lflags);
1295 BIO_puts(out, "\n");
1296 }
1297 }
1298
1299 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1300 int len, unsigned char *buffer)
1301 {
1302 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1303 if (BN_is_zero(in)) {
1304 BIO_printf(out, "\n 0x00");
1305 } else {
1306 int i, l;
1307
1308 l = BN_bn2bin(in, buffer);
1309 for (i = 0; i < l; i++) {
1310 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1311 if (i < l - 1)
1312 BIO_printf(out, "0x%02X,", buffer[i]);
1313 else
1314 BIO_printf(out, "0x%02X", buffer[i]);
1315 }
1316 }
1317 BIO_printf(out, "\n };\n");
1318 }
1319
1320 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1321 {
1322 int i;
1323
1324 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1325 for (i = 0; i < len; i++) {
1326 if ((i % 10) == 0)
1327 BIO_printf(out, "\n ");
1328 if (i < len - 1)
1329 BIO_printf(out, "0x%02X, ", d[i]);
1330 else
1331 BIO_printf(out, "0x%02X", d[i]);
1332 }
1333 BIO_printf(out, "\n};\n");
1334 }
1335
1336 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1337 const char *CApath, int noCApath,
1338 const char *CAstore, int noCAstore)
1339 {
1340 X509_STORE *store = X509_STORE_new();
1341 X509_LOOKUP *lookup;
1342 OSSL_LIB_CTX *libctx = app_get0_libctx();
1343 const char *propq = app_get0_propq();
1344
1345 if (store == NULL)
1346 goto end;
1347
1348 if (CAfile != NULL || !noCAfile) {
1349 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1350 if (lookup == NULL)
1351 goto end;
1352 if (CAfile != NULL) {
1353 if (!X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1354 libctx, propq)) {
1355 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1356 goto end;
1357 }
1358 } else {
1359 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1360 libctx, propq);
1361 }
1362 }
1363
1364 if (CApath != NULL || !noCApath) {
1365 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1366 if (lookup == NULL)
1367 goto end;
1368 if (CApath != NULL) {
1369 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1370 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1371 goto end;
1372 }
1373 } else {
1374 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1375 }
1376 }
1377
1378 if (CAstore != NULL || !noCAstore) {
1379 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1380 if (lookup == NULL)
1381 goto end;
1382 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1383 if (CAstore != NULL)
1384 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1385 goto end;
1386 }
1387 }
1388
1389 ERR_clear_error();
1390 return store;
1391 end:
1392 ERR_print_errors(bio_err);
1393 X509_STORE_free(store);
1394 return NULL;
1395 }
1396
1397 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1398 {
1399 const char *n;
1400
1401 n = a[DB_serial];
1402 while (*n == '0')
1403 n++;
1404 return OPENSSL_LH_strhash(n);
1405 }
1406
1407 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1408 const OPENSSL_CSTRING *b)
1409 {
1410 const char *aa, *bb;
1411
1412 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1413 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1414 return strcmp(aa, bb);
1415 }
1416
1417 static int index_name_qual(char **a)
1418 {
1419 return (a[0][0] == 'V');
1420 }
1421
1422 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1423 {
1424 return OPENSSL_LH_strhash(a[DB_name]);
1425 }
1426
1427 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1428 {
1429 return strcmp(a[DB_name], b[DB_name]);
1430 }
1431
1432 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1433 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1434 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1435 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1436 #undef BSIZE
1437 #define BSIZE 256
1438 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1439 {
1440 BIO *in = NULL;
1441 BIGNUM *ret = NULL;
1442 char buf[1024];
1443 ASN1_INTEGER *ai = NULL;
1444
1445 ai = ASN1_INTEGER_new();
1446 if (ai == NULL)
1447 goto err;
1448
1449 in = BIO_new_file(serialfile, "r");
1450 if (in == NULL) {
1451 if (!create) {
1452 perror(serialfile);
1453 goto err;
1454 }
1455 ERR_clear_error();
1456 ret = BN_new();
1457 if (ret == NULL || !rand_serial(ret, ai))
1458 BIO_printf(bio_err, "Out of memory\n");
1459 } else {
1460 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1461 BIO_printf(bio_err, "Unable to load number from %s\n",
1462 serialfile);
1463 goto err;
1464 }
1465 ret = ASN1_INTEGER_to_BN(ai, NULL);
1466 if (ret == NULL) {
1467 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1468 goto err;
1469 }
1470 }
1471
1472 if (ret && retai) {
1473 *retai = ai;
1474 ai = NULL;
1475 }
1476 err:
1477 ERR_print_errors(bio_err);
1478 BIO_free(in);
1479 ASN1_INTEGER_free(ai);
1480 return ret;
1481 }
1482
1483 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1484 ASN1_INTEGER **retai)
1485 {
1486 char buf[1][BSIZE];
1487 BIO *out = NULL;
1488 int ret = 0;
1489 ASN1_INTEGER *ai = NULL;
1490 int j;
1491
1492 if (suffix == NULL)
1493 j = strlen(serialfile);
1494 else
1495 j = strlen(serialfile) + strlen(suffix) + 1;
1496 if (j >= BSIZE) {
1497 BIO_printf(bio_err, "File name too long\n");
1498 goto err;
1499 }
1500
1501 if (suffix == NULL)
1502 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1503 else {
1504 #ifndef OPENSSL_SYS_VMS
1505 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1506 #else
1507 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1508 #endif
1509 }
1510 out = BIO_new_file(buf[0], "w");
1511 if (out == NULL) {
1512 goto err;
1513 }
1514
1515 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1516 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1517 goto err;
1518 }
1519 i2a_ASN1_INTEGER(out, ai);
1520 BIO_puts(out, "\n");
1521 ret = 1;
1522 if (retai) {
1523 *retai = ai;
1524 ai = NULL;
1525 }
1526 err:
1527 if (!ret)
1528 ERR_print_errors(bio_err);
1529 BIO_free_all(out);
1530 ASN1_INTEGER_free(ai);
1531 return ret;
1532 }
1533
1534 int rotate_serial(const char *serialfile, const char *new_suffix,
1535 const char *old_suffix)
1536 {
1537 char buf[2][BSIZE];
1538 int i, j;
1539
1540 i = strlen(serialfile) + strlen(old_suffix);
1541 j = strlen(serialfile) + strlen(new_suffix);
1542 if (i > j)
1543 j = i;
1544 if (j + 1 >= BSIZE) {
1545 BIO_printf(bio_err, "File name too long\n");
1546 goto err;
1547 }
1548 #ifndef OPENSSL_SYS_VMS
1549 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1550 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1551 #else
1552 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1553 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1554 #endif
1555 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1556 #ifdef ENOTDIR
1557 && errno != ENOTDIR
1558 #endif
1559 ) {
1560 BIO_printf(bio_err,
1561 "Unable to rename %s to %s\n", serialfile, buf[1]);
1562 perror("reason");
1563 goto err;
1564 }
1565 if (rename(buf[0], serialfile) < 0) {
1566 BIO_printf(bio_err,
1567 "Unable to rename %s to %s\n", buf[0], serialfile);
1568 perror("reason");
1569 rename(buf[1], serialfile);
1570 goto err;
1571 }
1572 return 1;
1573 err:
1574 ERR_print_errors(bio_err);
1575 return 0;
1576 }
1577
1578 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1579 {
1580 BIGNUM *btmp;
1581 int ret = 0;
1582
1583 btmp = b == NULL ? BN_new() : b;
1584 if (btmp == NULL)
1585 return 0;
1586
1587 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1588 goto error;
1589 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1590 goto error;
1591
1592 ret = 1;
1593
1594 error:
1595
1596 if (btmp != b)
1597 BN_free(btmp);
1598
1599 return ret;
1600 }
1601
1602 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1603 {
1604 CA_DB *retdb = NULL;
1605 TXT_DB *tmpdb = NULL;
1606 BIO *in;
1607 CONF *dbattr_conf = NULL;
1608 char buf[BSIZE];
1609 #ifndef OPENSSL_NO_POSIX_IO
1610 FILE *dbfp;
1611 struct stat dbst;
1612 #endif
1613
1614 in = BIO_new_file(dbfile, "r");
1615 if (in == NULL)
1616 goto err;
1617
1618 #ifndef OPENSSL_NO_POSIX_IO
1619 BIO_get_fp(in, &dbfp);
1620 if (fstat(fileno(dbfp), &dbst) == -1) {
1621 ERR_raise_data(ERR_LIB_SYS, errno,
1622 "calling fstat(%s)", dbfile);
1623 goto err;
1624 }
1625 #endif
1626
1627 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1628 goto err;
1629
1630 #ifndef OPENSSL_SYS_VMS
1631 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1632 #else
1633 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1634 #endif
1635 dbattr_conf = app_load_config_quiet(buf);
1636
1637 retdb = app_malloc(sizeof(*retdb), "new DB");
1638 retdb->db = tmpdb;
1639 tmpdb = NULL;
1640 if (db_attr)
1641 retdb->attributes = *db_attr;
1642 else {
1643 retdb->attributes.unique_subject = 1;
1644 }
1645
1646 if (dbattr_conf) {
1647 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1648 if (p) {
1649 retdb->attributes.unique_subject = parse_yesno(p, 1);
1650 }
1651 }
1652
1653 retdb->dbfname = OPENSSL_strdup(dbfile);
1654 #ifndef OPENSSL_NO_POSIX_IO
1655 retdb->dbst = dbst;
1656 #endif
1657
1658 err:
1659 ERR_print_errors(bio_err);
1660 NCONF_free(dbattr_conf);
1661 TXT_DB_free(tmpdb);
1662 BIO_free_all(in);
1663 return retdb;
1664 }
1665
1666 /*
1667 * Returns > 0 on success, <= 0 on error
1668 */
1669 int index_index(CA_DB *db)
1670 {
1671 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1672 LHASH_HASH_FN(index_serial),
1673 LHASH_COMP_FN(index_serial))) {
1674 BIO_printf(bio_err,
1675 "Error creating serial number index:(%ld,%ld,%ld)\n",
1676 db->db->error, db->db->arg1, db->db->arg2);
1677 goto err;
1678 }
1679
1680 if (db->attributes.unique_subject
1681 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1682 LHASH_HASH_FN(index_name),
1683 LHASH_COMP_FN(index_name))) {
1684 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1685 db->db->error, db->db->arg1, db->db->arg2);
1686 goto err;
1687 }
1688 return 1;
1689 err:
1690 ERR_print_errors(bio_err);
1691 return 0;
1692 }
1693
1694 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1695 {
1696 char buf[3][BSIZE];
1697 BIO *out;
1698 int j;
1699
1700 j = strlen(dbfile) + strlen(suffix);
1701 if (j + 6 >= BSIZE) {
1702 BIO_printf(bio_err, "File name too long\n");
1703 goto err;
1704 }
1705 #ifndef OPENSSL_SYS_VMS
1706 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1707 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1708 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1709 #else
1710 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1711 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1712 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1713 #endif
1714 out = BIO_new_file(buf[0], "w");
1715 if (out == NULL) {
1716 perror(dbfile);
1717 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1718 goto err;
1719 }
1720 j = TXT_DB_write(out, db->db);
1721 BIO_free(out);
1722 if (j <= 0)
1723 goto err;
1724
1725 out = BIO_new_file(buf[1], "w");
1726 if (out == NULL) {
1727 perror(buf[2]);
1728 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1729 goto err;
1730 }
1731 BIO_printf(out, "unique_subject = %s\n",
1732 db->attributes.unique_subject ? "yes" : "no");
1733 BIO_free(out);
1734
1735 return 1;
1736 err:
1737 ERR_print_errors(bio_err);
1738 return 0;
1739 }
1740
1741 int rotate_index(const char *dbfile, const char *new_suffix,
1742 const char *old_suffix)
1743 {
1744 char buf[5][BSIZE];
1745 int i, j;
1746
1747 i = strlen(dbfile) + strlen(old_suffix);
1748 j = strlen(dbfile) + strlen(new_suffix);
1749 if (i > j)
1750 j = i;
1751 if (j + 6 >= BSIZE) {
1752 BIO_printf(bio_err, "File name too long\n");
1753 goto err;
1754 }
1755 #ifndef OPENSSL_SYS_VMS
1756 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1757 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1758 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1759 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1760 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1761 #else
1762 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1763 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1764 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1765 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1766 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1767 #endif
1768 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1769 #ifdef ENOTDIR
1770 && errno != ENOTDIR
1771 #endif
1772 ) {
1773 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1774 perror("reason");
1775 goto err;
1776 }
1777 if (rename(buf[0], dbfile) < 0) {
1778 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1779 perror("reason");
1780 rename(buf[1], dbfile);
1781 goto err;
1782 }
1783 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1784 #ifdef ENOTDIR
1785 && errno != ENOTDIR
1786 #endif
1787 ) {
1788 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1789 perror("reason");
1790 rename(dbfile, buf[0]);
1791 rename(buf[1], dbfile);
1792 goto err;
1793 }
1794 if (rename(buf[2], buf[4]) < 0) {
1795 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1796 perror("reason");
1797 rename(buf[3], buf[4]);
1798 rename(dbfile, buf[0]);
1799 rename(buf[1], dbfile);
1800 goto err;
1801 }
1802 return 1;
1803 err:
1804 ERR_print_errors(bio_err);
1805 return 0;
1806 }
1807
1808 void free_index(CA_DB *db)
1809 {
1810 if (db) {
1811 TXT_DB_free(db->db);
1812 OPENSSL_free(db->dbfname);
1813 OPENSSL_free(db);
1814 }
1815 }
1816
1817 int parse_yesno(const char *str, int def)
1818 {
1819 if (str) {
1820 switch (*str) {
1821 case 'f': /* false */
1822 case 'F': /* FALSE */
1823 case 'n': /* no */
1824 case 'N': /* NO */
1825 case '0': /* 0 */
1826 return 0;
1827 case 't': /* true */
1828 case 'T': /* TRUE */
1829 case 'y': /* yes */
1830 case 'Y': /* YES */
1831 case '1': /* 1 */
1832 return 1;
1833 }
1834 }
1835 return def;
1836 }
1837
1838 /*
1839 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1840 * where + can be used instead of / to form multi-valued RDNs if canmulti
1841 * and characters may be escaped by \
1842 */
1843 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1844 const char *desc)
1845 {
1846 int nextismulti = 0;
1847 char *work;
1848 X509_NAME *n;
1849
1850 if (*cp++ != '/') {
1851 BIO_printf(bio_err,
1852 "%s: %s name is expected to be in the format "
1853 "/type0=value0/type1=value1/type2=... where characters may "
1854 "be escaped by \\. This name is not in that format: '%s'\n",
1855 opt_getprog(), desc, --cp);
1856 return NULL;
1857 }
1858
1859 n = X509_NAME_new();
1860 if (n == NULL) {
1861 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1862 return NULL;
1863 }
1864 work = OPENSSL_strdup(cp);
1865 if (work == NULL) {
1866 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1867 opt_getprog(), desc);
1868 goto err;
1869 }
1870
1871 while (*cp != '\0') {
1872 char *bp = work;
1873 char *typestr = bp;
1874 unsigned char *valstr;
1875 int nid;
1876 int ismulti = nextismulti;
1877 nextismulti = 0;
1878
1879 /* Collect the type */
1880 while (*cp != '\0' && *cp != '=')
1881 *bp++ = *cp++;
1882 *bp++ = '\0';
1883 if (*cp == '\0') {
1884 BIO_printf(bio_err,
1885 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1886 opt_getprog(), typestr, desc);
1887 goto err;
1888 }
1889 ++cp;
1890
1891 /* Collect the value. */
1892 valstr = (unsigned char *)bp;
1893 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1894 /* unescaped '+' symbol string signals further member of multiRDN */
1895 if (canmulti && *cp == '+') {
1896 nextismulti = 1;
1897 break;
1898 }
1899 if (*cp == '\\' && *++cp == '\0') {
1900 BIO_printf(bio_err,
1901 "%s: Escape character at end of %s name string\n",
1902 opt_getprog(), desc);
1903 goto err;
1904 }
1905 }
1906 *bp++ = '\0';
1907
1908 /* If not at EOS (must be + or /), move forward. */
1909 if (*cp != '\0')
1910 ++cp;
1911
1912 /* Parse */
1913 nid = OBJ_txt2nid(typestr);
1914 if (nid == NID_undef) {
1915 BIO_printf(bio_err,
1916 "%s: Skipping unknown %s name attribute \"%s\"\n",
1917 opt_getprog(), desc, typestr);
1918 if (ismulti)
1919 BIO_printf(bio_err,
1920 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1921 continue;
1922 }
1923 if (*valstr == '\0') {
1924 BIO_printf(bio_err,
1925 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1926 opt_getprog(), desc, typestr);
1927 continue;
1928 }
1929 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1930 valstr, strlen((char *)valstr),
1931 -1, ismulti ? -1 : 0)) {
1932 ERR_print_errors(bio_err);
1933 BIO_printf(bio_err,
1934 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1935 opt_getprog(), desc, typestr ,valstr);
1936 goto err;
1937 }
1938 }
1939
1940 OPENSSL_free(work);
1941 return n;
1942
1943 err:
1944 X509_NAME_free(n);
1945 OPENSSL_free(work);
1946 return NULL;
1947 }
1948
1949 /*
1950 * Read whole contents of a BIO into an allocated memory buffer and return
1951 * it.
1952 */
1953
1954 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1955 {
1956 BIO *mem;
1957 int len, ret;
1958 unsigned char tbuf[1024];
1959
1960 mem = BIO_new(BIO_s_mem());
1961 if (mem == NULL)
1962 return -1;
1963 for (;;) {
1964 if ((maxlen != -1) && maxlen < 1024)
1965 len = maxlen;
1966 else
1967 len = 1024;
1968 len = BIO_read(in, tbuf, len);
1969 if (len < 0) {
1970 BIO_free(mem);
1971 return -1;
1972 }
1973 if (len == 0)
1974 break;
1975 if (BIO_write(mem, tbuf, len) != len) {
1976 BIO_free(mem);
1977 return -1;
1978 }
1979 maxlen -= len;
1980
1981 if (maxlen == 0)
1982 break;
1983 }
1984 ret = BIO_get_mem_data(mem, (char **)out);
1985 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
1986 BIO_free(mem);
1987 return ret;
1988 }
1989
1990 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
1991 {
1992 int rv = 0;
1993 char *stmp, *vtmp = NULL;
1994
1995 stmp = OPENSSL_strdup(value);
1996 if (stmp == NULL)
1997 return -1;
1998 vtmp = strchr(stmp, ':');
1999 if (vtmp == NULL)
2000 goto err;
2001
2002 *vtmp = 0;
2003 vtmp++;
2004 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2005
2006 err:
2007 OPENSSL_free(stmp);
2008 return rv;
2009 }
2010
2011 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2012 {
2013 X509_POLICY_NODE *node;
2014 int i;
2015
2016 BIO_printf(bio_err, "%s Policies:", name);
2017 if (nodes) {
2018 BIO_puts(bio_err, "\n");
2019 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2020 node = sk_X509_POLICY_NODE_value(nodes, i);
2021 X509_POLICY_NODE_print(bio_err, node, 2);
2022 }
2023 } else {
2024 BIO_puts(bio_err, " <empty>\n");
2025 }
2026 }
2027
2028 void policies_print(X509_STORE_CTX *ctx)
2029 {
2030 X509_POLICY_TREE *tree;
2031 int explicit_policy;
2032 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2033 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2034
2035 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2036 explicit_policy ? "True" : "False");
2037
2038 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2039 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2040 }
2041
2042 /*-
2043 * next_protos_parse parses a comma separated list of strings into a string
2044 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2045 * outlen: (output) set to the length of the resulting buffer on success.
2046 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2047 * in: a NUL terminated string like "abc,def,ghi"
2048 *
2049 * returns: a malloc'd buffer or NULL on failure.
2050 */
2051 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2052 {
2053 size_t len;
2054 unsigned char *out;
2055 size_t i, start = 0;
2056 size_t skipped = 0;
2057
2058 len = strlen(in);
2059 if (len == 0 || len >= 65535)
2060 return NULL;
2061
2062 out = app_malloc(len + 1, "NPN buffer");
2063 for (i = 0; i <= len; ++i) {
2064 if (i == len || in[i] == ',') {
2065 /*
2066 * Zero-length ALPN elements are invalid on the wire, we could be
2067 * strict and reject the entire string, but just ignoring extra
2068 * commas seems harmless and more friendly.
2069 *
2070 * Every comma we skip in this way puts the input buffer another
2071 * byte ahead of the output buffer, so all stores into the output
2072 * buffer need to be decremented by the number commas skipped.
2073 */
2074 if (i == start) {
2075 ++start;
2076 ++skipped;
2077 continue;
2078 }
2079 if (i - start > 255) {
2080 OPENSSL_free(out);
2081 return NULL;
2082 }
2083 out[start-skipped] = (unsigned char)(i - start);
2084 start = i + 1;
2085 } else {
2086 out[i + 1 - skipped] = in[i];
2087 }
2088 }
2089
2090 if (len <= skipped) {
2091 OPENSSL_free(out);
2092 return NULL;
2093 }
2094
2095 *outlen = len + 1 - skipped;
2096 return out;
2097 }
2098
2099 void print_cert_checks(BIO *bio, X509 *x,
2100 const char *checkhost,
2101 const char *checkemail, const char *checkip)
2102 {
2103 if (x == NULL)
2104 return;
2105 if (checkhost) {
2106 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2107 checkhost,
2108 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2109 ? "" : " NOT");
2110 }
2111
2112 if (checkemail) {
2113 BIO_printf(bio, "Email %s does%s match certificate\n",
2114 checkemail, X509_check_email(x, checkemail, 0, 0)
2115 ? "" : " NOT");
2116 }
2117
2118 if (checkip) {
2119 BIO_printf(bio, "IP %s does%s match certificate\n",
2120 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2121 }
2122 }
2123
2124 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2125 {
2126 int i;
2127
2128 if (opts == NULL)
2129 return 1;
2130
2131 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2132 char *opt = sk_OPENSSL_STRING_value(opts, i);
2133 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2134 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2135 ERR_print_errors(bio_err);
2136 return 0;
2137 }
2138 }
2139
2140 return 1;
2141 }
2142
2143 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2144 {
2145 int i;
2146
2147 if (opts == NULL)
2148 return 1;
2149
2150 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2151 char *opt = sk_OPENSSL_STRING_value(opts, i);
2152 if (x509_ctrl_string(x, opt) <= 0) {
2153 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2154 ERR_print_errors(bio_err);
2155 return 0;
2156 }
2157 }
2158
2159 return 1;
2160 }
2161
2162 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2163 {
2164 int i;
2165
2166 if (opts == NULL)
2167 return 1;
2168
2169 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2170 char *opt = sk_OPENSSL_STRING_value(opts, i);
2171 if (x509_req_ctrl_string(x, opt) <= 0) {
2172 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2173 ERR_print_errors(bio_err);
2174 return 0;
2175 }
2176 }
2177
2178 return 1;
2179 }
2180
2181 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2182 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2183 {
2184 EVP_PKEY_CTX *pkctx = NULL;
2185 char def_md[80];
2186
2187 if (ctx == NULL)
2188 return 0;
2189 /*
2190 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2191 * for this algorithm.
2192 */
2193 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2194 && strcmp(def_md, "UNDEF") == 0) {
2195 /* The signing algorithm requires there to be no digest */
2196 md = NULL;
2197 }
2198
2199 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2200 app_get0_propq(), pkey, NULL)
2201 && do_pkey_ctx_init(pkctx, sigopts);
2202 }
2203
2204 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2205 const char *name, const char *value, int add_default)
2206 {
2207 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2208 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2209 int idx, rv = 0;
2210
2211 if (new_ext == NULL)
2212 return rv;
2213
2214 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2215 if (idx >= 0) {
2216 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2217 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2218 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2219
2220 if (disabled) {
2221 X509_delete_ext(cert, idx);
2222 X509_EXTENSION_free(found_ext);
2223 } /* else keep existing key identifier, which might be outdated */
2224 rv = 1;
2225 } else {
2226 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2227 }
2228 X509_EXTENSION_free(new_ext);
2229 return rv;
2230 }
2231
2232 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2233 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2234 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2235 {
2236 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2237 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2238 int self_sign;
2239 int rv = 0;
2240
2241 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2242 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2243 if (!X509_set_version(cert, X509_VERSION_3))
2244 goto end;
2245
2246 /*
2247 * Add default SKID before such that default AKID can make use of it
2248 * in case the certificate is self-signed
2249 */
2250 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2251 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2252 goto end;
2253 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2254 ERR_set_mark();
2255 self_sign = X509_check_private_key(cert, pkey);
2256 ERR_pop_to_mark();
2257 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2258 "keyid, issuer", !self_sign))
2259 goto end;
2260
2261 /* TODO any further measures for ensuring default RFC 5280 compliance */
2262 }
2263
2264 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2265 rv = (X509_sign_ctx(cert, mctx) > 0);
2266 end:
2267 EVP_MD_CTX_free(mctx);
2268 return rv;
2269 }
2270
2271 /* Sign the certificate request info */
2272 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2273 STACK_OF(OPENSSL_STRING) *sigopts)
2274 {
2275 int rv = 0;
2276 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2277
2278 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2279 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2280 EVP_MD_CTX_free(mctx);
2281 return rv;
2282 }
2283
2284 /* Sign the CRL info */
2285 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2286 STACK_OF(OPENSSL_STRING) *sigopts)
2287 {
2288 int rv = 0;
2289 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2290
2291 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2292 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2293 EVP_MD_CTX_free(mctx);
2294 return rv;
2295 }
2296
2297 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2298 {
2299 int rv = 0;
2300
2301 if (do_x509_init(x, vfyopts) > 0)
2302 rv = (X509_verify(x, pkey) > 0);
2303 return rv;
2304 }
2305
2306 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2307 STACK_OF(OPENSSL_STRING) *vfyopts)
2308 {
2309 int rv = 0;
2310
2311 if (do_x509_req_init(x, vfyopts) > 0)
2312 rv = (X509_REQ_verify_ex(x, pkey,
2313 app_get0_libctx(), app_get0_propq()) > 0);
2314 return rv;
2315 }
2316
2317 /* Get first http URL from a DIST_POINT structure */
2318
2319 static const char *get_dp_url(DIST_POINT *dp)
2320 {
2321 GENERAL_NAMES *gens;
2322 GENERAL_NAME *gen;
2323 int i, gtype;
2324 ASN1_STRING *uri;
2325 if (!dp->distpoint || dp->distpoint->type != 0)
2326 return NULL;
2327 gens = dp->distpoint->name.fullname;
2328 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2329 gen = sk_GENERAL_NAME_value(gens, i);
2330 uri = GENERAL_NAME_get0_value(gen, &gtype);
2331 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2332 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2333
2334 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2335 return uptr;
2336 }
2337 }
2338 return NULL;
2339 }
2340
2341 /*
2342 * Look through a CRLDP structure and attempt to find an http URL to
2343 * downloads a CRL from.
2344 */
2345
2346 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2347 {
2348 int i;
2349 const char *urlptr = NULL;
2350 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2351 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2352 urlptr = get_dp_url(dp);
2353 if (urlptr != NULL)
2354 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2355 }
2356 return NULL;
2357 }
2358
2359 /*
2360 * Example of downloading CRLs from CRLDP:
2361 * not usable for real world as it always downloads and doesn't cache anything.
2362 */
2363
2364 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2365 const X509_NAME *nm)
2366 {
2367 X509 *x;
2368 STACK_OF(X509_CRL) *crls = NULL;
2369 X509_CRL *crl;
2370 STACK_OF(DIST_POINT) *crldp;
2371
2372 crls = sk_X509_CRL_new_null();
2373 if (!crls)
2374 return NULL;
2375 x = X509_STORE_CTX_get_current_cert(ctx);
2376 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2377 crl = load_crl_crldp(crldp);
2378 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2379 if (!crl) {
2380 sk_X509_CRL_free(crls);
2381 return NULL;
2382 }
2383 sk_X509_CRL_push(crls, crl);
2384 /* Try to download delta CRL */
2385 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2386 crl = load_crl_crldp(crldp);
2387 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2388 if (crl)
2389 sk_X509_CRL_push(crls, crl);
2390 return crls;
2391 }
2392
2393 void store_setup_crl_download(X509_STORE *st)
2394 {
2395 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2396 }
2397
2398 #ifndef OPENSSL_NO_SOCK
2399 static const char *tls_error_hint(void)
2400 {
2401 unsigned long err = ERR_peek_error();
2402
2403 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2404 err = ERR_peek_last_error();
2405 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2406 return NULL;
2407
2408 switch (ERR_GET_REASON(err)) {
2409 case SSL_R_WRONG_VERSION_NUMBER:
2410 return "The server does not support (a suitable version of) TLS";
2411 case SSL_R_UNKNOWN_PROTOCOL:
2412 return "The server does not support HTTPS";
2413 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2414 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2415 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2416 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2417 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2418 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2419 default: /* no error or no hint available for error */
2420 return NULL;
2421 }
2422 }
2423
2424 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2425 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2426 {
2427 if (connect && detail) { /* connecting with TLS */
2428 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2429 SSL_CTX *ssl_ctx = info->ssl_ctx;
2430 SSL *ssl;
2431 BIO *sbio = NULL;
2432
2433 if ((info->use_proxy
2434 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2435 NULL, NULL, /* no proxy credentials */
2436 info->timeout, bio_err, opt_getprog()))
2437 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2438 return NULL;
2439 }
2440 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2441 BIO_free(sbio);
2442 return NULL;
2443 }
2444
2445 SSL_set_tlsext_host_name(ssl, info->server);
2446
2447 SSL_set_connect_state(ssl);
2448 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2449
2450 hbio = BIO_push(sbio, hbio);
2451 } else if (!connect && !detail) { /* disconnecting after error */
2452 const char *hint = tls_error_hint();
2453
2454 if (hint != NULL)
2455 ERR_add_error_data(2, " : ", hint);
2456 /*
2457 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2458 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2459 */
2460 }
2461 return hbio;
2462 }
2463
2464 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2465 {
2466 if (info != NULL) {
2467 SSL_CTX_free(info->ssl_ctx);
2468 OPENSSL_free(info);
2469 }
2470 }
2471
2472 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2473 const char *no_proxy, SSL_CTX *ssl_ctx,
2474 const STACK_OF(CONF_VALUE) *headers,
2475 long timeout, const char *expected_content_type,
2476 const ASN1_ITEM *it)
2477 {
2478 APP_HTTP_TLS_INFO info;
2479 char *server;
2480 char *port;
2481 int use_ssl;
2482 BIO *mem;
2483 ASN1_VALUE *resp = NULL;
2484
2485 if (url == NULL || it == NULL) {
2486 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2487 return NULL;
2488 }
2489
2490 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2491 NULL /* port_num, */, NULL, NULL, NULL))
2492 return NULL;
2493 if (use_ssl && ssl_ctx == NULL) {
2494 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2495 "missing SSL_CTX");
2496 goto end;
2497 }
2498
2499 info.server = server;
2500 info.port = port;
2501 info.use_proxy = proxy != NULL;
2502 info.timeout = timeout;
2503 info.ssl_ctx = ssl_ctx;
2504 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2505 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2506 expected_content_type, 1 /* expect_asn1 */,
2507 HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2508 resp = ASN1_item_d2i_bio(it, mem, NULL);
2509 BIO_free(mem);
2510
2511 end:
2512 OPENSSL_free(server);
2513 OPENSSL_free(port);
2514 return resp;
2515
2516 }
2517
2518 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2519 const char *path, const char *proxy,
2520 const char *no_proxy, SSL_CTX *ssl_ctx,
2521 const STACK_OF(CONF_VALUE) *headers,
2522 const char *content_type,
2523 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2524 long timeout, const ASN1_ITEM *rsp_it)
2525 {
2526 APP_HTTP_TLS_INFO info;
2527 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2528 ASN1_VALUE *res;
2529
2530 if (req_mem == NULL)
2531 return NULL;
2532 info.server = host;
2533 info.port = port;
2534 info.use_proxy = proxy != NULL;
2535 info.timeout = timeout;
2536 info.ssl_ctx = ssl_ctx;
2537 rsp = OSSL_HTTP_transfer(NULL, host, port, path, ssl_ctx != NULL,
2538 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2539 app_http_tls_cb, &info,
2540 0 /* buf_size */, headers, content_type, req_mem,
2541 NULL /* expected_ct */, 1 /* expect_asn1 */,
2542 HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2543 0 /* keep_alive */);
2544 BIO_free(req_mem);
2545 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2546 BIO_free(rsp);
2547 return res;
2548 }
2549
2550 #endif
2551
2552 /*
2553 * Platform-specific sections
2554 */
2555 #if defined(_WIN32)
2556 # ifdef fileno
2557 # undef fileno
2558 # define fileno(a) (int)_fileno(a)
2559 # endif
2560
2561 # include <windows.h>
2562 # include <tchar.h>
2563
2564 static int WIN32_rename(const char *from, const char *to)
2565 {
2566 TCHAR *tfrom = NULL, *tto;
2567 DWORD err;
2568 int ret = 0;
2569
2570 if (sizeof(TCHAR) == 1) {
2571 tfrom = (TCHAR *)from;
2572 tto = (TCHAR *)to;
2573 } else { /* UNICODE path */
2574
2575 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2576 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2577 if (tfrom == NULL)
2578 goto err;
2579 tto = tfrom + flen;
2580 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2581 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2582 # endif
2583 for (i = 0; i < flen; i++)
2584 tfrom[i] = (TCHAR)from[i];
2585 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2586 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2587 # endif
2588 for (i = 0; i < tlen; i++)
2589 tto[i] = (TCHAR)to[i];
2590 }
2591
2592 if (MoveFile(tfrom, tto))
2593 goto ok;
2594 err = GetLastError();
2595 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2596 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2597 goto ok;
2598 err = GetLastError();
2599 }
2600 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2601 errno = ENOENT;
2602 else if (err == ERROR_ACCESS_DENIED)
2603 errno = EACCES;
2604 else
2605 errno = EINVAL; /* we could map more codes... */
2606 err:
2607 ret = -1;
2608 ok:
2609 if (tfrom != NULL && tfrom != (TCHAR *)from)
2610 free(tfrom);
2611 return ret;
2612 }
2613 #endif
2614
2615 /* app_tminterval section */
2616 #if defined(_WIN32)
2617 double app_tminterval(int stop, int usertime)
2618 {
2619 FILETIME now;
2620 double ret = 0;
2621 static ULARGE_INTEGER tmstart;
2622 static int warning = 1;
2623 # ifdef _WIN32_WINNT
2624 static HANDLE proc = NULL;
2625
2626 if (proc == NULL) {
2627 if (check_winnt())
2628 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2629 GetCurrentProcessId());
2630 if (proc == NULL)
2631 proc = (HANDLE) - 1;
2632 }
2633
2634 if (usertime && proc != (HANDLE) - 1) {
2635 FILETIME junk;
2636 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2637 } else
2638 # endif
2639 {
2640 SYSTEMTIME systime;
2641
2642 if (usertime && warning) {
2643 BIO_printf(bio_err, "To get meaningful results, run "
2644 "this program on idle system.\n");
2645 warning = 0;
2646 }
2647 GetSystemTime(&systime);
2648 SystemTimeToFileTime(&systime, &now);
2649 }
2650
2651 if (stop == TM_START) {
2652 tmstart.u.LowPart = now.dwLowDateTime;
2653 tmstart.u.HighPart = now.dwHighDateTime;
2654 } else {
2655 ULARGE_INTEGER tmstop;
2656
2657 tmstop.u.LowPart = now.dwLowDateTime;
2658 tmstop.u.HighPart = now.dwHighDateTime;
2659
2660 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2661 }
2662
2663 return ret;
2664 }
2665 #elif defined(OPENSSL_SYS_VXWORKS)
2666 # include <time.h>
2667
2668 double app_tminterval(int stop, int usertime)
2669 {
2670 double ret = 0;
2671 # ifdef CLOCK_REALTIME
2672 static struct timespec tmstart;
2673 struct timespec now;
2674 # else
2675 static unsigned long tmstart;
2676 unsigned long now;
2677 # endif
2678 static int warning = 1;
2679
2680 if (usertime && warning) {
2681 BIO_printf(bio_err, "To get meaningful results, run "
2682 "this program on idle system.\n");
2683 warning = 0;
2684 }
2685 # ifdef CLOCK_REALTIME
2686 clock_gettime(CLOCK_REALTIME, &now);
2687 if (stop == TM_START)
2688 tmstart = now;
2689 else
2690 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2691 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2692 # else
2693 now = tickGet();
2694 if (stop == TM_START)
2695 tmstart = now;
2696 else
2697 ret = (now - tmstart) / (double)sysClkRateGet();
2698 # endif
2699 return ret;
2700 }
2701
2702 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2703 # include <sys/times.h>
2704
2705 double app_tminterval(int stop, int usertime)
2706 {
2707 double ret = 0;
2708 struct tms rus;
2709 clock_t now = times(&rus);
2710 static clock_t tmstart;
2711
2712 if (usertime)
2713 now = rus.tms_utime;
2714
2715 if (stop == TM_START) {
2716 tmstart = now;
2717 } else {
2718 long int tck = sysconf(_SC_CLK_TCK);
2719 ret = (now - tmstart) / (double)tck;
2720 }
2721
2722 return ret;
2723 }
2724
2725 #else
2726 # include <sys/time.h>
2727 # include <sys/resource.h>
2728
2729 double app_tminterval(int stop, int usertime)
2730 {
2731 double ret = 0;
2732 struct rusage rus;
2733 struct timeval now;
2734 static struct timeval tmstart;
2735
2736 if (usertime)
2737 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2738 else
2739 gettimeofday(&now, NULL);
2740
2741 if (stop == TM_START)
2742 tmstart = now;
2743 else
2744 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2745 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2746
2747 return ret;
2748 }
2749 #endif
2750
2751 int app_access(const char* name, int flag)
2752 {
2753 #ifdef _WIN32
2754 return _access(name, flag);
2755 #else
2756 return access(name, flag);
2757 #endif
2758 }
2759
2760 int app_isdir(const char *name)
2761 {
2762 return opt_isdir(name);
2763 }
2764
2765 /* raw_read|write section */
2766 #if defined(__VMS)
2767 # include "vms_term_sock.h"
2768 static int stdin_sock = -1;
2769
2770 static void close_stdin_sock(void)
2771 {
2772 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2773 }
2774
2775 int fileno_stdin(void)
2776 {
2777 if (stdin_sock == -1) {
2778 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2779 atexit(close_stdin_sock);
2780 }
2781
2782 return stdin_sock;
2783 }
2784 #else
2785 int fileno_stdin(void)
2786 {
2787 return fileno(stdin);
2788 }
2789 #endif
2790
2791 int fileno_stdout(void)
2792 {
2793 return fileno(stdout);
2794 }
2795
2796 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2797 int raw_read_stdin(void *buf, int siz)
2798 {
2799 DWORD n;
2800 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2801 return n;
2802 else
2803 return -1;
2804 }
2805 #elif defined(__VMS)
2806 # include <sys/socket.h>
2807
2808 int raw_read_stdin(void *buf, int siz)
2809 {
2810 return recv(fileno_stdin(), buf, siz, 0);
2811 }
2812 #else
2813 # if defined(__TANDEM)
2814 # if defined(OPENSSL_TANDEM_FLOSS)
2815 # include <floss.h(floss_read)>
2816 # endif
2817 # endif
2818 int raw_read_stdin(void *buf, int siz)
2819 {
2820 return read(fileno_stdin(), buf, siz);
2821 }
2822 #endif
2823
2824 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2825 int raw_write_stdout(const void *buf, int siz)
2826 {
2827 DWORD n;
2828 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2829 return n;
2830 else
2831 return -1;
2832 }
2833 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2834 # if defined(__TANDEM)
2835 # if defined(OPENSSL_TANDEM_FLOSS)
2836 # include <floss.h(floss_write)>
2837 # endif
2838 # endif
2839 int raw_write_stdout(const void *buf,int siz)
2840 {
2841 return write(fileno(stdout),(void*)buf,siz);
2842 }
2843 #else
2844 # if defined(__TANDEM)
2845 # if defined(OPENSSL_TANDEM_FLOSS)
2846 # include <floss.h(floss_write)>
2847 # endif
2848 # endif
2849 int raw_write_stdout(const void *buf, int siz)
2850 {
2851 return write(fileno_stdout(), buf, siz);
2852 }
2853 #endif
2854
2855 /*
2856 * Centralized handling of input and output files with format specification
2857 * The format is meant to show what the input and output is supposed to be,
2858 * and is therefore a show of intent more than anything else. However, it
2859 * does impact behavior on some platforms, such as differentiating between
2860 * text and binary input/output on non-Unix platforms
2861 */
2862 BIO *dup_bio_in(int format)
2863 {
2864 return BIO_new_fp(stdin,
2865 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2866 }
2867
2868 BIO *dup_bio_out(int format)
2869 {
2870 BIO *b = BIO_new_fp(stdout,
2871 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2872 void *prefix = NULL;
2873
2874 #ifdef OPENSSL_SYS_VMS
2875 if (FMT_istext(format))
2876 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2877 #endif
2878
2879 if (FMT_istext(format)
2880 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2881 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2882 BIO_set_prefix(b, prefix);
2883 }
2884
2885 return b;
2886 }
2887
2888 BIO *dup_bio_err(int format)
2889 {
2890 BIO *b = BIO_new_fp(stderr,
2891 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2892 #ifdef OPENSSL_SYS_VMS
2893 if (FMT_istext(format))
2894 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2895 #endif
2896 return b;
2897 }
2898
2899 void unbuffer(FILE *fp)
2900 {
2901 /*
2902 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2903 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2904 * However, we trust that the C RTL will never give us a FILE pointer
2905 * above the first 4 GB of memory, so we simply turn off the warning
2906 * temporarily.
2907 */
2908 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2909 # pragma environment save
2910 # pragma message disable maylosedata2
2911 #endif
2912 setbuf(fp, NULL);
2913 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2914 # pragma environment restore
2915 #endif
2916 }
2917
2918 static const char *modestr(char mode, int format)
2919 {
2920 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2921
2922 switch (mode) {
2923 case 'a':
2924 return FMT_istext(format) ? "a" : "ab";
2925 case 'r':
2926 return FMT_istext(format) ? "r" : "rb";
2927 case 'w':
2928 return FMT_istext(format) ? "w" : "wb";
2929 }
2930 /* The assert above should make sure we never reach this point */
2931 return NULL;
2932 }
2933
2934 static const char *modeverb(char mode)
2935 {
2936 switch (mode) {
2937 case 'a':
2938 return "appending";
2939 case 'r':
2940 return "reading";
2941 case 'w':
2942 return "writing";
2943 }
2944 return "(doing something)";
2945 }
2946
2947 /*
2948 * Open a file for writing, owner-read-only.
2949 */
2950 BIO *bio_open_owner(const char *filename, int format, int private)
2951 {
2952 FILE *fp = NULL;
2953 BIO *b = NULL;
2954 int fd = -1, bflags, mode, textmode;
2955
2956 if (!private || filename == NULL || strcmp(filename, "-") == 0)
2957 return bio_open_default(filename, 'w', format);
2958
2959 mode = O_WRONLY;
2960 #ifdef O_CREAT
2961 mode |= O_CREAT;
2962 #endif
2963 #ifdef O_TRUNC
2964 mode |= O_TRUNC;
2965 #endif
2966 textmode = FMT_istext(format);
2967 if (!textmode) {
2968 #ifdef O_BINARY
2969 mode |= O_BINARY;
2970 #elif defined(_O_BINARY)
2971 mode |= _O_BINARY;
2972 #endif
2973 }
2974
2975 #ifdef OPENSSL_SYS_VMS
2976 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
2977 * it still needs to know that we're going binary, or fdopen()
2978 * will fail with "invalid argument"... so we tell VMS what the
2979 * context is.
2980 */
2981 if (!textmode)
2982 fd = open(filename, mode, 0600, "ctx=bin");
2983 else
2984 #endif
2985 fd = open(filename, mode, 0600);
2986 if (fd < 0)
2987 goto err;
2988 fp = fdopen(fd, modestr('w', format));
2989 if (fp == NULL)
2990 goto err;
2991 bflags = BIO_CLOSE;
2992 if (textmode)
2993 bflags |= BIO_FP_TEXT;
2994 b = BIO_new_fp(fp, bflags);
2995 if (b)
2996 return b;
2997
2998 err:
2999 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3000 opt_getprog(), filename, strerror(errno));
3001 ERR_print_errors(bio_err);
3002 /* If we have fp, then fdopen took over fd, so don't close both. */
3003 if (fp)
3004 fclose(fp);
3005 else if (fd >= 0)
3006 close(fd);
3007 return NULL;
3008 }
3009
3010 static BIO *bio_open_default_(const char *filename, char mode, int format,
3011 int quiet)
3012 {
3013 BIO *ret;
3014
3015 if (filename == NULL || strcmp(filename, "-") == 0) {
3016 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3017 if (quiet) {
3018 ERR_clear_error();
3019 return ret;
3020 }
3021 if (ret != NULL)
3022 return ret;
3023 BIO_printf(bio_err,
3024 "Can't open %s, %s\n",
3025 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3026 } else {
3027 ret = BIO_new_file(filename, modestr(mode, format));
3028 if (quiet) {
3029 ERR_clear_error();
3030 return ret;
3031 }
3032 if (ret != NULL)
3033 return ret;
3034 BIO_printf(bio_err,
3035 "Can't open \"%s\" for %s, %s\n",
3036 filename, modeverb(mode), strerror(errno));
3037 }
3038 ERR_print_errors(bio_err);
3039 return NULL;
3040 }
3041
3042 BIO *bio_open_default(const char *filename, char mode, int format)
3043 {
3044 return bio_open_default_(filename, mode, format, 0);
3045 }
3046
3047 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3048 {
3049 return bio_open_default_(filename, mode, format, 1);
3050 }
3051
3052 void wait_for_async(SSL *s)
3053 {
3054 /* On Windows select only works for sockets, so we simply don't wait */
3055 #ifndef OPENSSL_SYS_WINDOWS
3056 int width = 0;
3057 fd_set asyncfds;
3058 OSSL_ASYNC_FD *fds;
3059 size_t numfds;
3060 size_t i;
3061
3062 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3063 return;
3064 if (numfds == 0)
3065 return;
3066 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3067 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3068 OPENSSL_free(fds);
3069 return;
3070 }
3071
3072 FD_ZERO(&asyncfds);
3073 for (i = 0; i < numfds; i++) {
3074 if (width <= (int)fds[i])
3075 width = (int)fds[i] + 1;
3076 openssl_fdset((int)fds[i], &asyncfds);
3077 }
3078 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3079 OPENSSL_free(fds);
3080 #endif
3081 }
3082
3083 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3084 #if defined(OPENSSL_SYS_MSDOS)
3085 int has_stdin_waiting(void)
3086 {
3087 # if defined(OPENSSL_SYS_WINDOWS)
3088 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3089 DWORD events = 0;
3090 INPUT_RECORD inputrec;
3091 DWORD insize = 1;
3092 BOOL peeked;
3093
3094 if (inhand == INVALID_HANDLE_VALUE) {
3095 return 0;
3096 }
3097
3098 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3099 if (!peeked) {
3100 /* Probably redirected input? _kbhit() does not work in this case */
3101 if (!feof(stdin)) {
3102 return 1;
3103 }
3104 return 0;
3105 }
3106 # endif
3107 return _kbhit();
3108 }
3109 #endif
3110
3111 /* Corrupt a signature by modifying final byte */
3112 void corrupt_signature(const ASN1_STRING *signature)
3113 {
3114 unsigned char *s = signature->data;
3115 s[signature->length - 1] ^= 0x1;
3116 }
3117
3118 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3119 int days)
3120 {
3121 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3122 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3123 return 0;
3124 } else {
3125 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3126 return 0;
3127 }
3128 if (enddate == NULL) {
3129 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3130 == NULL)
3131 return 0;
3132 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3133 return 0;
3134 }
3135 return 1;
3136 }
3137
3138 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3139 {
3140 int ret = 0;
3141 ASN1_TIME *tm = ASN1_TIME_new();
3142
3143 if (tm == NULL)
3144 goto end;
3145
3146 if (lastupdate == NULL) {
3147 if (X509_gmtime_adj(tm, 0) == NULL)
3148 goto end;
3149 } else {
3150 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3151 goto end;
3152 }
3153
3154 if (!X509_CRL_set1_lastUpdate(crl, tm))
3155 goto end;
3156
3157 ret = 1;
3158 end:
3159 ASN1_TIME_free(tm);
3160 return ret;
3161 }
3162
3163 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3164 long days, long hours, long secs)
3165 {
3166 int ret = 0;
3167 ASN1_TIME *tm = ASN1_TIME_new();
3168
3169 if (tm == NULL)
3170 goto end;
3171
3172 if (nextupdate == NULL) {
3173 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3174 goto end;
3175 } else {
3176 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3177 goto end;
3178 }
3179
3180 if (!X509_CRL_set1_nextUpdate(crl, tm))
3181 goto end;
3182
3183 ret = 1;
3184 end:
3185 ASN1_TIME_free(tm);
3186 return ret;
3187 }
3188
3189 void make_uppercase(char *string)
3190 {
3191 int i;
3192
3193 for (i = 0; string[i] != '\0'; i++)
3194 string[i] = toupper((unsigned char)string[i]);
3195 }
3196
3197 /* This function is defined here due to visibility of bio_err */
3198 int opt_printf_stderr(const char *fmt, ...)
3199 {
3200 va_list ap;
3201 int ret;
3202
3203 va_start(ap, fmt);
3204 ret = BIO_vprintf(bio_err, fmt, ap);
3205 va_end(ap);
3206 return ret;
3207 }
3208
3209 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3210 const OSSL_PARAM *paramdefs)
3211 {
3212 OSSL_PARAM *params = NULL;
3213 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3214 size_t params_n;
3215 char *opt = "", *stmp, *vtmp = NULL;
3216 int found = 1;
3217
3218 if (opts == NULL)
3219 return NULL;
3220
3221 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3222 if (params == NULL)
3223 return NULL;
3224
3225 for (params_n = 0; params_n < sz; params_n++) {
3226 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3227 if ((stmp = OPENSSL_strdup(opt)) == NULL
3228 || (vtmp = strchr(stmp, ':')) == NULL)
3229 goto err;
3230 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3231 *vtmp = 0;
3232 /* Skip over the separator so that vmtp points to the value */
3233 vtmp++;
3234 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3235 stmp, vtmp, strlen(vtmp), &found))
3236 goto err;
3237 OPENSSL_free(stmp);
3238 }
3239 params[params_n] = OSSL_PARAM_construct_end();
3240 return params;
3241 err:
3242 OPENSSL_free(stmp);
3243 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3244 opt);
3245 ERR_print_errors(bio_err);
3246 app_params_free(params);
3247 return NULL;
3248 }
3249
3250 void app_params_free(OSSL_PARAM *params)
3251 {
3252 int i;
3253
3254 if (params != NULL) {
3255 for (i = 0; params[i].key != NULL; ++i)
3256 OPENSSL_free(params[i].data);
3257 OPENSSL_free(params);
3258 }
3259 }
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