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[thirdparty/openssl.git] / apps / lib / apps.c
1 /*
2 * Copyright 1995-2023 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 #ifndef OPENSSL_NO_ENGINE
19 /* We need to use some deprecated APIs */
20 # define OPENSSL_SUPPRESS_DEPRECATED
21 # include <openssl/engine.h>
22 #endif
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <string.h>
27 #include <sys/types.h>
28 #ifndef OPENSSL_NO_POSIX_IO
29 # include <sys/stat.h>
30 # include <fcntl.h>
31 #endif
32 #include <ctype.h>
33 #include <errno.h>
34 #include <openssl/err.h>
35 #include <openssl/x509.h>
36 #include <openssl/x509v3.h>
37 #include <openssl/http.h>
38 #include <openssl/pem.h>
39 #include <openssl/store.h>
40 #include <openssl/pkcs12.h>
41 #include <openssl/ui.h>
42 #include <openssl/safestack.h>
43 #include <openssl/rsa.h>
44 #include <openssl/rand.h>
45 #include <openssl/bn.h>
46 #include <openssl/ssl.h>
47 #include <openssl/core_names.h>
48 #include "s_apps.h"
49 #include "apps.h"
50
51 #ifdef _WIN32
52 static int WIN32_rename(const char *from, const char *to);
53 # define rename(from, to) WIN32_rename((from), (to))
54 #endif
55
56 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
57 # include <conio.h>
58 #endif
59
60 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
61 # define _kbhit kbhit
62 #endif
63
64 static BIO *bio_open_default_(const char *filename, char mode, int format,
65 int quiet);
66
67 #define PASS_SOURCE_SIZE_MAX 4
68
69 DEFINE_STACK_OF(CONF)
70
71 typedef struct {
72 const char *name;
73 unsigned long flag;
74 unsigned long mask;
75 } NAME_EX_TBL;
76
77 static int set_table_opts(unsigned long *flags, const char *arg,
78 const NAME_EX_TBL * in_tbl);
79 static int set_multi_opts(unsigned long *flags, const char *arg,
80 const NAME_EX_TBL * in_tbl);
81 int app_init(long mesgwin);
82
83 int chopup_args(ARGS *arg, char *buf)
84 {
85 int quoted;
86 char c = '\0', *p = NULL;
87
88 arg->argc = 0;
89 if (arg->size == 0) {
90 arg->size = 20;
91 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
92 }
93
94 for (p = buf;;) {
95 /* Skip whitespace. */
96 while (*p && isspace(_UC(*p)))
97 p++;
98 if (*p == '\0')
99 break;
100
101 /* The start of something good :-) */
102 if (arg->argc >= arg->size) {
103 char **tmp;
104
105 arg->size += 20;
106 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
107 if (tmp == NULL)
108 return 0;
109 arg->argv = tmp;
110 }
111 quoted = *p == '\'' || *p == '"';
112 if (quoted)
113 c = *p++;
114 arg->argv[arg->argc++] = p;
115
116 /* now look for the end of this */
117 if (quoted) {
118 while (*p && *p != c)
119 p++;
120 *p++ = '\0';
121 } else {
122 while (*p && !isspace(_UC(*p)))
123 p++;
124 if (*p)
125 *p++ = '\0';
126 }
127 }
128 arg->argv[arg->argc] = NULL;
129 return 1;
130 }
131
132 #ifndef APP_INIT
133 int app_init(long mesgwin)
134 {
135 return 1;
136 }
137 #endif
138
139 int ctx_set_verify_locations(SSL_CTX *ctx,
140 const char *CAfile, int noCAfile,
141 const char *CApath, int noCApath,
142 const char *CAstore, int noCAstore)
143 {
144 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
145 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
146 return 0;
147 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
148 return 0;
149 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
150 return 0;
151
152 return 1;
153 }
154
155 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
156 return 0;
157 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
158 return 0;
159 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
160 return 0;
161 return 1;
162 }
163
164 #ifndef OPENSSL_NO_CT
165
166 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
167 {
168 if (path == NULL)
169 return SSL_CTX_set_default_ctlog_list_file(ctx);
170
171 return SSL_CTX_set_ctlog_list_file(ctx, path);
172 }
173
174 #endif
175
176 static unsigned long nmflag = 0;
177 static char nmflag_set = 0;
178
179 int set_nameopt(const char *arg)
180 {
181 int ret = set_name_ex(&nmflag, arg);
182
183 if (ret)
184 nmflag_set = 1;
185
186 return ret;
187 }
188
189 unsigned long get_nameopt(void)
190 {
191 return
192 nmflag_set ? nmflag : XN_FLAG_SEP_CPLUS_SPC | ASN1_STRFLGS_UTF8_CONVERT;
193 }
194
195 void dump_cert_text(BIO *out, X509 *x)
196 {
197 print_name(out, "subject=", X509_get_subject_name(x));
198 print_name(out, "issuer=", X509_get_issuer_name(x));
199 }
200
201 int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
202 {
203 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
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,
222 "Out of memory getting password for %s\n", desc);
223 }
224 return result;
225 }
226
227 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
228 {
229 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
230
231 if (arg1 != NULL) {
232 *pass1 = app_get_pass(arg1, same);
233 if (*pass1 == NULL)
234 return 0;
235 } else if (pass1 != NULL) {
236 *pass1 = NULL;
237 }
238 if (arg2 != NULL) {
239 *pass2 = app_get_pass(arg2, same ? 2 : 0);
240 if (*pass2 == NULL)
241 return 0;
242 } else if (pass2 != NULL) {
243 *pass2 = NULL;
244 }
245 return 1;
246 }
247
248 static char *app_get_pass(const char *arg, int keepbio)
249 {
250 static BIO *pwdbio = NULL;
251 char *tmp, tpass[APP_PASS_LEN];
252 int i;
253
254 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
255 if (CHECK_AND_SKIP_PREFIX(arg, "pass:"))
256 return OPENSSL_strdup(arg);
257 if (CHECK_AND_SKIP_PREFIX(arg, "env:")) {
258 tmp = getenv(arg);
259 if (tmp == NULL) {
260 BIO_printf(bio_err, "No environment variable %s\n", arg);
261 return NULL;
262 }
263 return OPENSSL_strdup(tmp);
264 }
265 if (!keepbio || pwdbio == NULL) {
266 if (CHECK_AND_SKIP_PREFIX(arg, "file:")) {
267 pwdbio = BIO_new_file(arg, "r");
268 if (pwdbio == NULL) {
269 BIO_printf(bio_err, "Can't open file %s\n", arg);
270 return NULL;
271 }
272 #if !defined(_WIN32)
273 /*
274 * Under _WIN32, which covers even Win64 and CE, file
275 * descriptors referenced by BIO_s_fd are not inherited
276 * by child process and therefore below is not an option.
277 * It could have been an option if bss_fd.c was operating
278 * on real Windows descriptors, such as those obtained
279 * with CreateFile.
280 */
281 } else if (CHECK_AND_SKIP_PREFIX(arg, "fd:")) {
282 BIO *btmp;
283
284 i = atoi(arg);
285 if (i >= 0)
286 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
287 if ((i < 0) || pwdbio == NULL) {
288 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg);
289 return NULL;
290 }
291 /*
292 * Can't do BIO_gets on an fd BIO so add a buffering BIO
293 */
294 btmp = BIO_new(BIO_f_buffer());
295 if (btmp == NULL) {
296 BIO_free_all(pwdbio);
297 pwdbio = NULL;
298 BIO_printf(bio_err, "Out of memory\n");
299 return NULL;
300 }
301 pwdbio = BIO_push(btmp, pwdbio);
302 #endif
303 } else if (strcmp(arg, "stdin") == 0) {
304 unbuffer(stdin);
305 pwdbio = dup_bio_in(FORMAT_TEXT);
306 if (pwdbio == NULL) {
307 BIO_printf(bio_err, "Can't open BIO for stdin\n");
308 return NULL;
309 }
310 } else {
311 /* argument syntax error; do not reveal too much about arg */
312 tmp = strchr(arg, ':');
313 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
314 BIO_printf(bio_err,
315 "Invalid password argument, missing ':' within the first %d chars\n",
316 PASS_SOURCE_SIZE_MAX + 1);
317 else
318 BIO_printf(bio_err,
319 "Invalid password argument, starting with \"%.*s\"\n",
320 (int)(tmp - arg + 1), arg);
321 return NULL;
322 }
323 }
324 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
325 if (keepbio != 1) {
326 BIO_free_all(pwdbio);
327 pwdbio = NULL;
328 }
329 if (i <= 0) {
330 BIO_printf(bio_err, "Error reading password from BIO\n");
331 return NULL;
332 }
333 tmp = strchr(tpass, '\n');
334 if (tmp != NULL)
335 *tmp = 0;
336 return OPENSSL_strdup(tpass);
337 }
338
339 char *app_conf_try_string(const CONF *conf, const char *group, const char *name)
340 {
341 char *res;
342
343 ERR_set_mark();
344 res = NCONF_get_string(conf, group, name);
345 if (res == NULL)
346 ERR_pop_to_mark();
347 else
348 ERR_clear_last_mark();
349 return res;
350 }
351
352 int app_conf_try_number(const CONF *conf, const char *group, const char *name,
353 long *result)
354 {
355 int ok;
356
357 ERR_set_mark();
358 ok = NCONF_get_number(conf, group, name, result);
359 if (!ok)
360 ERR_pop_to_mark();
361 else
362 ERR_clear_last_mark();
363 return ok;
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_get0_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;
406 CONF *conf;
407
408 if (filename == NULL || *filename != '\0') {
409 if ((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 } else {
414 /* Return empty config if filename is empty string. */
415 conf = NCONF_new_ex(app_get0_libctx(), NULL);
416 }
417 return conf;
418 }
419
420 int app_load_modules(const CONF *config)
421 {
422 CONF *to_free = NULL;
423
424 if (config == NULL)
425 config = to_free = app_load_config_quiet(default_config_file);
426 if (config == NULL)
427 return 1;
428
429 if (CONF_modules_load(config, NULL, 0) <= 0) {
430 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
431 ERR_print_errors(bio_err);
432 NCONF_free(to_free);
433 return 0;
434 }
435 NCONF_free(to_free);
436 return 1;
437 }
438
439 int add_oid_section(CONF *conf)
440 {
441 char *p;
442 STACK_OF(CONF_VALUE) *sktmp;
443 CONF_VALUE *cnf;
444 int i;
445
446 if ((p = app_conf_try_string(conf, NULL, "oid_section")) == NULL)
447 return 1;
448 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
449 BIO_printf(bio_err, "problem loading oid section %s\n", p);
450 return 0;
451 }
452 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
453 cnf = sk_CONF_VALUE_value(sktmp, i);
454 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
455 BIO_printf(bio_err, "problem creating object %s=%s\n",
456 cnf->name, cnf->value);
457 return 0;
458 }
459 }
460 return 1;
461 }
462
463 CONF *app_load_config_modules(const char *configfile)
464 {
465 CONF *conf = NULL;
466
467 if (configfile != NULL) {
468 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
469 return NULL;
470 if (configfile != default_config_file && !app_load_modules(conf)) {
471 NCONF_free(conf);
472 conf = NULL;
473 }
474 }
475 return conf;
476 }
477
478 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX))
479 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX))
480
481 X509 *load_cert_pass(const char *uri, int format, 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 if (cert == NULL) {
493 ERR_print_errors(bio_err);
494 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
495 }
496 } else {
497 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
498 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
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 if (crl == NULL) {
515 ERR_print_errors(bio_err);
516 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
517 }
518 } else {
519 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0,
520 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
521 }
522 return crl;
523 }
524
525 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */
526 X509_REQ *load_csr(const char *file, int format, const char *desc)
527 {
528 X509_REQ *req = NULL;
529 BIO *in;
530
531 if (format == FORMAT_UNDEF)
532 format = FORMAT_PEM;
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 ERR_print_errors(bio_err);
547 if (desc != NULL)
548 BIO_printf(bio_err, "Unable to load %s\n", desc);
549 }
550 BIO_free(in);
551 return req;
552 }
553
554 /* Better extend OSSL_STORE to support CSRs, see FR #15725 */
555 X509_REQ *load_csr_autofmt(const char *infile, int format,
556 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc)
557 {
558 X509_REQ *csr;
559
560 if (format != FORMAT_UNDEF) {
561 csr = load_csr(infile, format, desc);
562 } else { /* try PEM, then DER */
563 BIO *bio_bak = bio_err;
564
565 bio_err = NULL; /* do not show errors on more than one try */
566 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */);
567 bio_err = bio_bak;
568 if (csr == NULL) {
569 ERR_clear_error();
570 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */);
571 }
572 if (csr == NULL) {
573 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n",
574 desc, infile);
575 }
576 }
577 if (csr != NULL) {
578 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
579 int ret = do_X509_REQ_verify(csr, pkey, vfyopts);
580
581 if (pkey == NULL || ret < 0)
582 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n");
583 else if (ret == 0)
584 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n");
585 return csr;
586 }
587 return csr;
588 }
589
590 void cleanse(char *str)
591 {
592 if (str != NULL)
593 OPENSSL_cleanse(str, strlen(str));
594 }
595
596 void clear_free(char *str)
597 {
598 if (str != NULL)
599 OPENSSL_clear_free(str, strlen(str));
600 }
601
602 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
603 const char *pass, ENGINE *e, const char *desc)
604 {
605 EVP_PKEY *pkey = NULL;
606 char *allocated_uri = NULL;
607
608 if (desc == NULL)
609 desc = "private key";
610
611 if (format == FORMAT_ENGINE)
612 uri = allocated_uri = make_engine_uri(e, uri, desc);
613 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0,
614 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
615
616 OPENSSL_free(allocated_uri);
617 return pkey;
618 }
619
620 /* first try reading public key, on failure resort to loading private key */
621 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
622 const char *pass, ENGINE *e, const char *desc)
623 {
624 EVP_PKEY *pkey = NULL;
625 char *allocated_uri = NULL;
626
627 if (desc == NULL)
628 desc = "public key";
629
630 if (format == FORMAT_ENGINE)
631 uri = allocated_uri = make_engine_uri(e, uri, desc);
632 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1,
633 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
634 if (pkey == NULL)
635 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
636 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
637 OPENSSL_free(allocated_uri);
638 return pkey;
639 }
640
641 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
642 const char *keytype, const char *desc,
643 int suppress_decode_errors)
644 {
645 EVP_PKEY *params = NULL;
646
647 if (desc == NULL)
648 desc = "key parameters";
649 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
650 suppress_decode_errors,
651 NULL, NULL, &params, NULL, NULL, NULL, NULL);
652 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
653 ERR_print_errors(bio_err);
654 BIO_printf(bio_err,
655 "Unable to load %s from %s (unexpected parameters type)\n",
656 desc, uri);
657 EVP_PKEY_free(params);
658 params = NULL;
659 }
660 return params;
661 }
662
663 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
664 const char *keytype, const char *desc)
665 {
666 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
667 }
668
669 void app_bail_out(char *fmt, ...)
670 {
671 va_list args;
672
673 va_start(args, fmt);
674 BIO_vprintf(bio_err, fmt, args);
675 va_end(args);
676 ERR_print_errors(bio_err);
677 exit(EXIT_FAILURE);
678 }
679
680 void *app_malloc(size_t sz, const char *what)
681 {
682 void *vp = OPENSSL_malloc(sz);
683
684 if (vp == NULL)
685 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
686 opt_getprog(), sz, what);
687 return vp;
688 }
689
690 char *next_item(char *opt) /* in list separated by comma and/or space */
691 {
692 /* advance to separator (comma or whitespace), if any */
693 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0')
694 opt++;
695 if (*opt != '\0') {
696 /* terminate current item */
697 *opt++ = '\0';
698 /* skip over any whitespace after separator */
699 while (isspace(_UC(*opt)))
700 opt++;
701 }
702 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
703 }
704
705 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
706 {
707 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
708
709 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
710 uri, subj, msg);
711 OPENSSL_free(subj);
712 }
713
714 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
715 X509_VERIFY_PARAM *vpm)
716 {
717 uint32_t ex_flags = X509_get_extension_flags(cert);
718 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
719 X509_get0_notAfter(cert));
720
721 if (res != 0)
722 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
723 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
724 warn_cert_msg(uri, cert, "is not a CA cert");
725 }
726
727 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
728 X509_VERIFY_PARAM *vpm)
729 {
730 int i;
731
732 for (i = 0; i < sk_X509_num(certs); i++)
733 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
734 }
735
736 int load_cert_certs(const char *uri,
737 X509 **pcert, STACK_OF(X509) **pcerts,
738 int exclude_http, const char *pass, const char *desc,
739 X509_VERIFY_PARAM *vpm)
740 {
741 int ret = 0;
742 char *pass_string;
743
744 if (desc == NULL)
745 desc = pcerts == NULL ? "certificate" : "certificates";
746 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://")
747 || HAS_CASE_PREFIX(uri, "https://"))) {
748 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
749 return ret;
750 }
751 pass_string = get_passwd(pass, desc);
752 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0,
753 NULL, NULL, NULL, pcert, pcerts, NULL, NULL);
754 clear_free(pass_string);
755
756 if (ret) {
757 if (pcert != NULL)
758 warn_cert(uri, *pcert, 0, vpm);
759 if (pcerts != NULL)
760 warn_certs(uri, *pcerts, 1, vpm);
761 } else {
762 if (pcerts != NULL) {
763 OSSL_STACK_OF_X509_free(*pcerts);
764 *pcerts = NULL;
765 }
766 }
767 return ret;
768 }
769
770 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
771 const char *desc, X509_VERIFY_PARAM *vpm)
772 {
773 STACK_OF(X509) *certs = NULL;
774 STACK_OF(X509) *result = sk_X509_new_null();
775
776 if (files == NULL)
777 goto err;
778 if (result == NULL)
779 goto oom;
780
781 while (files != NULL) {
782 char *next = next_item(files);
783
784 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
785 goto err;
786 if (!X509_add_certs(result, certs,
787 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
788 goto oom;
789 OSSL_STACK_OF_X509_free(certs);
790 certs = NULL;
791 files = next;
792 }
793 return result;
794
795 oom:
796 BIO_printf(bio_err, "out of memory\n");
797 err:
798 OSSL_STACK_OF_X509_free(certs);
799 OSSL_STACK_OF_X509_free(result);
800 return NULL;
801 }
802
803 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
804 const STACK_OF(X509) *certs /* may NULL */)
805 {
806 int i;
807
808 if (store == NULL)
809 store = X509_STORE_new();
810 if (store == NULL)
811 return NULL;
812 for (i = 0; i < sk_X509_num(certs); i++) {
813 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
814 X509_STORE_free(store);
815 return NULL;
816 }
817 }
818 return store;
819 }
820
821 /*
822 * Create cert store structure with certificates read from given file(s).
823 * Returns pointer to created X509_STORE on success, NULL on error.
824 */
825 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
826 X509_VERIFY_PARAM *vpm)
827 {
828 X509_STORE *store = NULL;
829 STACK_OF(X509) *certs = NULL;
830
831 while (input != NULL) {
832 char *next = next_item(input);
833 int ok;
834
835 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
836 X509_STORE_free(store);
837 return NULL;
838 }
839 ok = (store = sk_X509_to_store(store, certs)) != NULL;
840 OSSL_STACK_OF_X509_free(certs);
841 certs = NULL;
842 if (!ok)
843 return NULL;
844 input = next;
845 }
846 return store;
847 }
848
849 /*
850 * Initialize or extend, if *certs != NULL, a certificate stack.
851 * The caller is responsible for freeing *certs if its value is left not NULL.
852 */
853 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
854 const char *pass, const char *desc)
855 {
856 int ret, was_NULL = *certs == NULL;
857
858 if (desc == NULL)
859 desc = "certificates";
860 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0,
861 NULL, NULL, NULL, NULL, certs, NULL, NULL);
862
863 if (!ret && was_NULL) {
864 OSSL_STACK_OF_X509_free(*certs);
865 *certs = NULL;
866 }
867 return ret;
868 }
869
870 /*
871 * Initialize or extend, if *crls != NULL, a certificate stack.
872 * The caller is responsible for freeing *crls if its value is left not NULL.
873 */
874 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
875 const char *pass, const char *desc)
876 {
877 int ret, was_NULL = *crls == NULL;
878
879 if (desc == NULL)
880 desc = "CRLs";
881 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0,
882 NULL, NULL, NULL, NULL, NULL, NULL, crls);
883
884 if (!ret && was_NULL) {
885 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
886 *crls = NULL;
887 }
888 return ret;
889 }
890
891 static const char *format2string(int format)
892 {
893 switch (format) {
894 case FORMAT_PEM:
895 return "PEM";
896 case FORMAT_ASN1:
897 return "DER";
898 }
899 return NULL;
900 }
901
902 /* Set type expectation, but clear it if objects of different types expected. */
903 #define SET_EXPECT(val) \
904 (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0))
905 #define SET_EXPECT1(pvar, val) \
906 if ((pvar) != NULL) { \
907 *(pvar) = NULL; \
908 SET_EXPECT(val); \
909 }
910 #define FAIL_NAME \
911 (ppkey != NULL ? "private key" : ppubkey != NULL ? "public key" : \
912 pparams != NULL ? "key parameters" : \
913 pcert != NULL ? "certificate" : pcerts != NULL ? "certificates" : \
914 pcrl != NULL ? "CRL" : pcrls != NULL ? "CRLs" : NULL)
915 /*
916 * Load those types of credentials for which the result pointer is not NULL.
917 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
918 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
919 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
920 * If pcerts is non-NULL then all available certificates are appended to *pcerts
921 * except any certificate assigned to *pcert.
922 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
923 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
924 * except any CRL assigned to *pcrl.
925 * In any case (also on error) the caller is responsible for freeing all members
926 * of *pcerts and *pcrls (as far as they are not NULL).
927 */
928 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
929 const char *pass, const char *desc, int quiet,
930 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
931 EVP_PKEY **pparams,
932 X509 **pcert, STACK_OF(X509) **pcerts,
933 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
934 {
935 PW_CB_DATA uidata;
936 OSSL_STORE_CTX *ctx = NULL;
937 OSSL_LIB_CTX *libctx = app_get0_libctx();
938 const char *propq = app_get0_propq();
939 int ncerts = 0, ncrls = 0, expect = -1;
940 const char *failed = FAIL_NAME;
941 const char *input_type;
942 OSSL_PARAM itp[2];
943 const OSSL_PARAM *params = NULL;
944
945 if (failed == NULL) {
946 if (!quiet)
947 BIO_printf(bio_err, "Internal error: nothing to load from %s\n",
948 uri != NULL ? uri : "<stdin>");
949 return 0;
950 }
951 ERR_set_mark();
952
953 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY);
954 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY);
955 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS);
956 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT);
957 if (pcerts != NULL) {
958 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
959 if (!quiet)
960 BIO_printf(bio_err, "Out of memory loading");
961 goto end;
962 }
963 SET_EXPECT(OSSL_STORE_INFO_CERT);
964 }
965 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL);
966 if (pcrls != NULL) {
967 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
968 if (!quiet)
969 BIO_printf(bio_err, "Out of memory loading");
970 goto end;
971 }
972 SET_EXPECT(OSSL_STORE_INFO_CRL);
973 }
974
975 uidata.password = pass;
976 uidata.prompt_info = uri;
977
978 if ((input_type = format2string(format)) != NULL) {
979 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
980 (char *)input_type, 0);
981 itp[1] = OSSL_PARAM_construct_end();
982 params = itp;
983 }
984
985 if (uri == NULL) {
986 BIO *bio;
987
988 if (!maybe_stdin) {
989 if (!quiet)
990 BIO_printf(bio_err, "No filename or uri specified for loading\n");
991 goto end;
992 }
993 uri = "<stdin>";
994 unbuffer(stdin);
995 bio = BIO_new_fp(stdin, 0);
996 if (bio != NULL) {
997 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
998 get_ui_method(), &uidata, params,
999 NULL, NULL);
1000 BIO_free(bio);
1001 }
1002 } else {
1003 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
1004 params, NULL, NULL);
1005 }
1006 if (ctx == NULL)
1007 goto end;
1008 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
1009 goto end;
1010
1011 failed = NULL;
1012 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL
1013 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL)
1014 && !OSSL_STORE_eof(ctx)) {
1015 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
1016 int type, ok = 1;
1017
1018 /*
1019 * This can happen (for example) if we attempt to load a file with
1020 * multiple different types of things in it - but the thing we just
1021 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
1022 * to load a certificate but the file has both the private key and the
1023 * certificate in it. We just retry until eof.
1024 */
1025 if (info == NULL) {
1026 continue;
1027 }
1028
1029 type = OSSL_STORE_INFO_get_type(info);
1030 switch (type) {
1031 case OSSL_STORE_INFO_PKEY:
1032 if (ppkey != NULL) {
1033 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
1034 if (ok)
1035 ppkey = NULL;
1036 break;
1037 }
1038 /*
1039 * An EVP_PKEY with private parts also holds the public parts,
1040 * so if the caller asked for a public key, and we got a private
1041 * key, we can still pass it back.
1042 */
1043 /* fall through */
1044 case OSSL_STORE_INFO_PUBKEY:
1045 if (ppubkey != NULL) {
1046 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL;
1047 if (ok)
1048 ppubkey = NULL;
1049 }
1050 break;
1051 case OSSL_STORE_INFO_PARAMS:
1052 if (pparams != NULL) {
1053 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL;
1054 if (ok)
1055 pparams = NULL;
1056 }
1057 break;
1058 case OSSL_STORE_INFO_CERT:
1059 if (pcert != NULL) {
1060 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1061 if (ok)
1062 pcert = NULL;
1063 } else if (pcerts != NULL) {
1064 ok = X509_add_cert(*pcerts,
1065 OSSL_STORE_INFO_get1_CERT(info),
1066 X509_ADD_FLAG_DEFAULT);
1067 }
1068 ncerts += ok;
1069 break;
1070 case OSSL_STORE_INFO_CRL:
1071 if (pcrl != NULL) {
1072 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1073 if (ok)
1074 pcrl = NULL;
1075 } else if (pcrls != NULL) {
1076 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1077 }
1078 ncrls += ok;
1079 break;
1080 default:
1081 /* skip any other type */
1082 break;
1083 }
1084 OSSL_STORE_INFO_free(info);
1085 if (!ok) {
1086 failed = OSSL_STORE_INFO_type_string(type);
1087 if (!quiet)
1088 BIO_printf(bio_err, "Error reading");
1089 break;
1090 }
1091 }
1092
1093 end:
1094 OSSL_STORE_close(ctx);
1095 if (ncerts > 0)
1096 pcerts = NULL;
1097 if (ncrls > 0)
1098 pcrls = NULL;
1099 if (failed == NULL) {
1100 failed = FAIL_NAME;
1101 if (failed != NULL && !quiet)
1102 BIO_printf(bio_err, "Could not find");
1103 } else if (!quiet) {
1104 BIO_printf(bio_err, "Could not read");
1105 }
1106 if (failed != NULL && !quiet) {
1107 unsigned long err = ERR_peek_last_error();
1108
1109 if (desc != NULL && strstr(desc, failed) != NULL) {
1110 BIO_printf(bio_err, " %s", desc);
1111 } else {
1112 BIO_printf(bio_err, " %s", failed);
1113 if (desc != NULL)
1114 BIO_printf(bio_err, " of %s", desc);
1115 }
1116 if (uri != NULL)
1117 BIO_printf(bio_err, " from %s", uri);
1118 if (ERR_SYSTEM_ERROR(err)) {
1119 /* provide more readable diagnostic output */
1120 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1121 ERR_pop_to_mark();
1122 ERR_set_mark();
1123 }
1124 BIO_printf(bio_err, "\n");
1125 ERR_print_errors(bio_err);
1126 }
1127 if (quiet || failed == NULL)
1128 /* clear any suppressed or spurious errors */
1129 ERR_pop_to_mark();
1130 else
1131 ERR_clear_last_mark();
1132 return failed == NULL;
1133 }
1134
1135 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1136 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */
1137 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */
1138 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */
1139 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */
1140
1141 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1142 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1143
1144 int set_cert_ex(unsigned long *flags, const char *arg)
1145 {
1146 static const NAME_EX_TBL cert_tbl[] = {
1147 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1148 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1149 {"no_header", X509_FLAG_NO_HEADER, 0},
1150 {"no_version", X509_FLAG_NO_VERSION, 0},
1151 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1152 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1153 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1154 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1155 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1156 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1157 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1158 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1159 {"no_aux", X509_FLAG_NO_AUX, 0},
1160 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1161 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1162 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1163 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1164 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1165 {NULL, 0, 0}
1166 };
1167 return set_multi_opts(flags, arg, cert_tbl);
1168 }
1169
1170 int set_name_ex(unsigned long *flags, const char *arg)
1171 {
1172 static const NAME_EX_TBL ex_tbl[] = {
1173 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1174 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1175 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1176 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1177 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1178 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1179 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1180 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1181 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1182 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1183 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1184 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1185 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1186 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1187 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1188 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1189 {"dn_rev", XN_FLAG_DN_REV, 0},
1190 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1191 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1192 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1193 {"align", XN_FLAG_FN_ALIGN, 0},
1194 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1195 {"space_eq", XN_FLAG_SPC_EQ, 0},
1196 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1197 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1198 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1199 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1200 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1201 {NULL, 0, 0}
1202 };
1203 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1204 return 0;
1205 if (*flags != XN_FLAG_COMPAT
1206 && (*flags & XN_FLAG_SEP_MASK) == 0)
1207 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1208 return 1;
1209 }
1210
1211 int set_dateopt(unsigned long *dateopt, const char *arg)
1212 {
1213 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1214 *dateopt = ASN1_DTFLGS_RFC822;
1215 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1216 *dateopt = ASN1_DTFLGS_ISO8601;
1217 else
1218 return 0;
1219 return 1;
1220 }
1221
1222 int set_ext_copy(int *copy_type, const char *arg)
1223 {
1224 if (OPENSSL_strcasecmp(arg, "none") == 0)
1225 *copy_type = EXT_COPY_NONE;
1226 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1227 *copy_type = EXT_COPY_ADD;
1228 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1229 *copy_type = EXT_COPY_ALL;
1230 else
1231 return 0;
1232 return 1;
1233 }
1234
1235 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1236 {
1237 STACK_OF(X509_EXTENSION) *exts;
1238 int i, ret = 0;
1239
1240 if (x == NULL || req == NULL)
1241 return 0;
1242 if (copy_type == EXT_COPY_NONE)
1243 return 1;
1244 exts = X509_REQ_get_extensions(req);
1245
1246 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1247 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1248 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1249 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1250
1251 /* Does extension exist in target? */
1252 if (idx != -1) {
1253 /* If normal copy don't override existing extension */
1254 if (copy_type == EXT_COPY_ADD)
1255 continue;
1256 /* Delete all extensions of same type */
1257 do {
1258 X509_EXTENSION_free(X509_delete_ext(x, idx));
1259 idx = X509_get_ext_by_OBJ(x, obj, -1);
1260 } while (idx != -1);
1261 }
1262 if (!X509_add_ext(x, ext, -1))
1263 goto end;
1264 }
1265 ret = 1;
1266
1267 end:
1268 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1269 return ret;
1270 }
1271
1272 static int set_multi_opts(unsigned long *flags, const char *arg,
1273 const NAME_EX_TBL * in_tbl)
1274 {
1275 STACK_OF(CONF_VALUE) *vals;
1276 CONF_VALUE *val;
1277 int i, ret = 1;
1278
1279 if (!arg)
1280 return 0;
1281 vals = X509V3_parse_list(arg);
1282 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1283 val = sk_CONF_VALUE_value(vals, i);
1284 if (!set_table_opts(flags, val->name, in_tbl))
1285 ret = 0;
1286 }
1287 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1288 return ret;
1289 }
1290
1291 static int set_table_opts(unsigned long *flags, const char *arg,
1292 const NAME_EX_TBL * in_tbl)
1293 {
1294 char c;
1295 const NAME_EX_TBL *ptbl;
1296
1297 c = arg[0];
1298 if (c == '-') {
1299 c = 0;
1300 arg++;
1301 } else if (c == '+') {
1302 c = 1;
1303 arg++;
1304 } else {
1305 c = 1;
1306 }
1307
1308 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1309 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1310 *flags &= ~ptbl->mask;
1311 if (c)
1312 *flags |= ptbl->flag;
1313 else
1314 *flags &= ~ptbl->flag;
1315 return 1;
1316 }
1317 }
1318 return 0;
1319 }
1320
1321 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1322 {
1323 char *buf;
1324 char mline = 0;
1325 int indent = 0;
1326 unsigned long lflags = get_nameopt();
1327
1328 if (out == NULL)
1329 return;
1330 if (title != NULL)
1331 BIO_puts(out, title);
1332 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1333 mline = 1;
1334 indent = 4;
1335 }
1336 if (lflags == XN_FLAG_COMPAT) {
1337 buf = X509_NAME_oneline(nm, 0, 0);
1338 BIO_puts(out, buf);
1339 BIO_puts(out, "\n");
1340 OPENSSL_free(buf);
1341 } else {
1342 if (mline)
1343 BIO_puts(out, "\n");
1344 X509_NAME_print_ex(out, nm, indent, lflags);
1345 BIO_puts(out, "\n");
1346 }
1347 }
1348
1349 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1350 int len, unsigned char *buffer)
1351 {
1352 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1353 if (BN_is_zero(in)) {
1354 BIO_printf(out, "\n 0x00");
1355 } else {
1356 int i, l;
1357
1358 l = BN_bn2bin(in, buffer);
1359 for (i = 0; i < l; i++) {
1360 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1361 if (i < l - 1)
1362 BIO_printf(out, "0x%02X,", buffer[i]);
1363 else
1364 BIO_printf(out, "0x%02X", buffer[i]);
1365 }
1366 }
1367 BIO_printf(out, "\n };\n");
1368 }
1369
1370 void print_array(BIO *out, const char *title, int len, const unsigned char *d)
1371 {
1372 int i;
1373
1374 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1375 for (i = 0; i < len; i++) {
1376 if ((i % 10) == 0)
1377 BIO_printf(out, "\n ");
1378 if (i < len - 1)
1379 BIO_printf(out, "0x%02X, ", d[i]);
1380 else
1381 BIO_printf(out, "0x%02X", d[i]);
1382 }
1383 BIO_printf(out, "\n};\n");
1384 }
1385
1386 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1387 const char *CApath, int noCApath,
1388 const char *CAstore, int noCAstore)
1389 {
1390 X509_STORE *store = X509_STORE_new();
1391 X509_LOOKUP *lookup;
1392 OSSL_LIB_CTX *libctx = app_get0_libctx();
1393 const char *propq = app_get0_propq();
1394
1395 if (store == NULL)
1396 goto end;
1397
1398 if (CAfile != NULL || !noCAfile) {
1399 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1400 if (lookup == NULL)
1401 goto end;
1402 if (CAfile != NULL) {
1403 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1404 libctx, propq) <= 0) {
1405 ERR_clear_error();
1406 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1,
1407 libctx, propq) <= 0) {
1408 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1409 goto end;
1410 }
1411 }
1412 } else {
1413 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1414 libctx, propq);
1415 }
1416 }
1417
1418 if (CApath != NULL || !noCApath) {
1419 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1420 if (lookup == NULL)
1421 goto end;
1422 if (CApath != NULL) {
1423 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1424 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1425 goto end;
1426 }
1427 } else {
1428 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1429 }
1430 }
1431
1432 if (CAstore != NULL || !noCAstore) {
1433 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1434 if (lookup == NULL)
1435 goto end;
1436 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1437 if (CAstore != NULL)
1438 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1439 goto end;
1440 }
1441 }
1442
1443 ERR_clear_error();
1444 return store;
1445 end:
1446 ERR_print_errors(bio_err);
1447 X509_STORE_free(store);
1448 return NULL;
1449 }
1450
1451 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1452 {
1453 const char *n;
1454
1455 n = a[DB_serial];
1456 while (*n == '0')
1457 n++;
1458 return OPENSSL_LH_strhash(n);
1459 }
1460
1461 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1462 const OPENSSL_CSTRING *b)
1463 {
1464 const char *aa, *bb;
1465
1466 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1467 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1468 return strcmp(aa, bb);
1469 }
1470
1471 static int index_name_qual(char **a)
1472 {
1473 return (a[0][0] == 'V');
1474 }
1475
1476 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1477 {
1478 return OPENSSL_LH_strhash(a[DB_name]);
1479 }
1480
1481 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1482 {
1483 return strcmp(a[DB_name], b[DB_name]);
1484 }
1485
1486 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1487 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1488 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1489 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1490 #undef BSIZE
1491 #define BSIZE 256
1492 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1493 ASN1_INTEGER **retai)
1494 {
1495 BIO *in = NULL;
1496 BIGNUM *ret = NULL;
1497 char buf[1024];
1498 ASN1_INTEGER *ai = NULL;
1499
1500 ai = ASN1_INTEGER_new();
1501 if (ai == NULL)
1502 goto err;
1503
1504 in = BIO_new_file(serialfile, "r");
1505 if (exists != NULL)
1506 *exists = in != NULL;
1507 if (in == NULL) {
1508 if (!create) {
1509 perror(serialfile);
1510 goto err;
1511 }
1512 ERR_clear_error();
1513 ret = BN_new();
1514 if (ret == NULL) {
1515 BIO_printf(bio_err, "Out of memory\n");
1516 } else if (!rand_serial(ret, ai)) {
1517 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1518 serialfile);
1519 BN_free(ret);
1520 ret = NULL;
1521 }
1522 } else {
1523 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1524 BIO_printf(bio_err, "Unable to load number from %s\n",
1525 serialfile);
1526 goto err;
1527 }
1528 ret = ASN1_INTEGER_to_BN(ai, NULL);
1529 if (ret == NULL) {
1530 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1531 goto err;
1532 }
1533 }
1534
1535 if (ret != NULL && retai != NULL) {
1536 *retai = ai;
1537 ai = NULL;
1538 }
1539 err:
1540 if (ret == NULL)
1541 ERR_print_errors(bio_err);
1542 BIO_free(in);
1543 ASN1_INTEGER_free(ai);
1544 return ret;
1545 }
1546
1547 int save_serial(const char *serialfile, const char *suffix,
1548 const BIGNUM *serial, ASN1_INTEGER **retai)
1549 {
1550 char buf[1][BSIZE];
1551 BIO *out = NULL;
1552 int ret = 0;
1553 ASN1_INTEGER *ai = NULL;
1554 int j;
1555
1556 if (suffix == NULL)
1557 j = strlen(serialfile);
1558 else
1559 j = strlen(serialfile) + strlen(suffix) + 1;
1560 if (j >= BSIZE) {
1561 BIO_printf(bio_err, "File name too long\n");
1562 goto err;
1563 }
1564
1565 if (suffix == NULL) {
1566 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1567 } else {
1568 #ifndef OPENSSL_SYS_VMS
1569 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1570 #else
1571 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1572 #endif
1573 }
1574 out = BIO_new_file(buf[0], "w");
1575 if (out == NULL) {
1576 goto err;
1577 }
1578
1579 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1580 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1581 goto err;
1582 }
1583 i2a_ASN1_INTEGER(out, ai);
1584 BIO_puts(out, "\n");
1585 ret = 1;
1586 if (retai) {
1587 *retai = ai;
1588 ai = NULL;
1589 }
1590 err:
1591 if (!ret)
1592 ERR_print_errors(bio_err);
1593 BIO_free_all(out);
1594 ASN1_INTEGER_free(ai);
1595 return ret;
1596 }
1597
1598 int rotate_serial(const char *serialfile, const char *new_suffix,
1599 const char *old_suffix)
1600 {
1601 char buf[2][BSIZE];
1602 int i, j;
1603
1604 i = strlen(serialfile) + strlen(old_suffix);
1605 j = strlen(serialfile) + strlen(new_suffix);
1606 if (i > j)
1607 j = i;
1608 if (j + 1 >= BSIZE) {
1609 BIO_printf(bio_err, "File name too long\n");
1610 goto err;
1611 }
1612 #ifndef OPENSSL_SYS_VMS
1613 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1614 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1615 #else
1616 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1617 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1618 #endif
1619 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1620 #ifdef ENOTDIR
1621 && errno != ENOTDIR
1622 #endif
1623 ) {
1624 BIO_printf(bio_err,
1625 "Unable to rename %s to %s\n", serialfile, buf[1]);
1626 perror("reason");
1627 goto err;
1628 }
1629 if (rename(buf[0], serialfile) < 0) {
1630 BIO_printf(bio_err,
1631 "Unable to rename %s to %s\n", buf[0], serialfile);
1632 perror("reason");
1633 rename(buf[1], serialfile);
1634 goto err;
1635 }
1636 return 1;
1637 err:
1638 ERR_print_errors(bio_err);
1639 return 0;
1640 }
1641
1642 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1643 {
1644 BIGNUM *btmp;
1645 int ret = 0;
1646
1647 btmp = b == NULL ? BN_new() : b;
1648 if (btmp == NULL)
1649 return 0;
1650
1651 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1652 goto error;
1653 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1654 goto error;
1655
1656 ret = 1;
1657
1658 error:
1659
1660 if (btmp != b)
1661 BN_free(btmp);
1662
1663 return ret;
1664 }
1665
1666 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1667 {
1668 CA_DB *retdb = NULL;
1669 TXT_DB *tmpdb = NULL;
1670 BIO *in;
1671 CONF *dbattr_conf = NULL;
1672 char buf[BSIZE];
1673 #ifndef OPENSSL_NO_POSIX_IO
1674 FILE *dbfp;
1675 struct stat dbst;
1676 #endif
1677
1678 in = BIO_new_file(dbfile, "r");
1679 if (in == NULL)
1680 goto err;
1681
1682 #ifndef OPENSSL_NO_POSIX_IO
1683 BIO_get_fp(in, &dbfp);
1684 if (fstat(fileno(dbfp), &dbst) == -1) {
1685 ERR_raise_data(ERR_LIB_SYS, errno,
1686 "calling fstat(%s)", dbfile);
1687 goto err;
1688 }
1689 #endif
1690
1691 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1692 goto err;
1693
1694 #ifndef OPENSSL_SYS_VMS
1695 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1696 #else
1697 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1698 #endif
1699 dbattr_conf = app_load_config_quiet(buf);
1700
1701 retdb = app_malloc(sizeof(*retdb), "new DB");
1702 retdb->db = tmpdb;
1703 tmpdb = NULL;
1704 if (db_attr)
1705 retdb->attributes = *db_attr;
1706 else
1707 retdb->attributes.unique_subject = 1;
1708
1709 if (dbattr_conf != NULL) {
1710 char *p = app_conf_try_string(dbattr_conf, NULL, "unique_subject");
1711
1712 if (p != NULL)
1713 retdb->attributes.unique_subject = parse_yesno(p, 1);
1714 }
1715
1716 retdb->dbfname = OPENSSL_strdup(dbfile);
1717 #ifndef OPENSSL_NO_POSIX_IO
1718 retdb->dbst = dbst;
1719 #endif
1720
1721 err:
1722 ERR_print_errors(bio_err);
1723 NCONF_free(dbattr_conf);
1724 TXT_DB_free(tmpdb);
1725 BIO_free_all(in);
1726 return retdb;
1727 }
1728
1729 /*
1730 * Returns > 0 on success, <= 0 on error
1731 */
1732 int index_index(CA_DB *db)
1733 {
1734 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1735 LHASH_HASH_FN(index_serial),
1736 LHASH_COMP_FN(index_serial))) {
1737 BIO_printf(bio_err,
1738 "Error creating serial number index:(%ld,%ld,%ld)\n",
1739 db->db->error, db->db->arg1, db->db->arg2);
1740 goto err;
1741 }
1742
1743 if (db->attributes.unique_subject
1744 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1745 LHASH_HASH_FN(index_name),
1746 LHASH_COMP_FN(index_name))) {
1747 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1748 db->db->error, db->db->arg1, db->db->arg2);
1749 goto err;
1750 }
1751 return 1;
1752 err:
1753 ERR_print_errors(bio_err);
1754 return 0;
1755 }
1756
1757 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1758 {
1759 char buf[3][BSIZE];
1760 BIO *out;
1761 int j;
1762
1763 j = strlen(dbfile) + strlen(suffix);
1764 if (j + 6 >= BSIZE) {
1765 BIO_printf(bio_err, "File name too long\n");
1766 goto err;
1767 }
1768 #ifndef OPENSSL_SYS_VMS
1769 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1770 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1771 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1772 #else
1773 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1774 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1775 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1776 #endif
1777 out = BIO_new_file(buf[0], "w");
1778 if (out == NULL) {
1779 perror(dbfile);
1780 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1781 goto err;
1782 }
1783 j = TXT_DB_write(out, db->db);
1784 BIO_free(out);
1785 if (j <= 0)
1786 goto err;
1787
1788 out = BIO_new_file(buf[1], "w");
1789 if (out == NULL) {
1790 perror(buf[2]);
1791 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1792 goto err;
1793 }
1794 BIO_printf(out, "unique_subject = %s\n",
1795 db->attributes.unique_subject ? "yes" : "no");
1796 BIO_free(out);
1797
1798 return 1;
1799 err:
1800 ERR_print_errors(bio_err);
1801 return 0;
1802 }
1803
1804 int rotate_index(const char *dbfile, const char *new_suffix,
1805 const char *old_suffix)
1806 {
1807 char buf[5][BSIZE];
1808 int i, j;
1809
1810 i = strlen(dbfile) + strlen(old_suffix);
1811 j = strlen(dbfile) + strlen(new_suffix);
1812 if (i > j)
1813 j = i;
1814 if (j + 6 >= BSIZE) {
1815 BIO_printf(bio_err, "File name too long\n");
1816 goto err;
1817 }
1818 #ifndef OPENSSL_SYS_VMS
1819 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1820 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1821 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1822 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1823 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1824 #else
1825 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1826 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1827 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1828 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1829 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1830 #endif
1831 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1832 #ifdef ENOTDIR
1833 && errno != ENOTDIR
1834 #endif
1835 ) {
1836 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1837 perror("reason");
1838 goto err;
1839 }
1840 if (rename(buf[0], dbfile) < 0) {
1841 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1842 perror("reason");
1843 rename(buf[1], dbfile);
1844 goto err;
1845 }
1846 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1847 #ifdef ENOTDIR
1848 && errno != ENOTDIR
1849 #endif
1850 ) {
1851 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1852 perror("reason");
1853 rename(dbfile, buf[0]);
1854 rename(buf[1], dbfile);
1855 goto err;
1856 }
1857 if (rename(buf[2], buf[4]) < 0) {
1858 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1859 perror("reason");
1860 rename(buf[3], buf[4]);
1861 rename(dbfile, buf[0]);
1862 rename(buf[1], dbfile);
1863 goto err;
1864 }
1865 return 1;
1866 err:
1867 ERR_print_errors(bio_err);
1868 return 0;
1869 }
1870
1871 void free_index(CA_DB *db)
1872 {
1873 if (db) {
1874 TXT_DB_free(db->db);
1875 OPENSSL_free(db->dbfname);
1876 OPENSSL_free(db);
1877 }
1878 }
1879
1880 int parse_yesno(const char *str, int def)
1881 {
1882 if (str) {
1883 switch (*str) {
1884 case 'f': /* false */
1885 case 'F': /* FALSE */
1886 case 'n': /* no */
1887 case 'N': /* NO */
1888 case '0': /* 0 */
1889 return 0;
1890 case 't': /* true */
1891 case 'T': /* TRUE */
1892 case 'y': /* yes */
1893 case 'Y': /* YES */
1894 case '1': /* 1 */
1895 return 1;
1896 }
1897 }
1898 return def;
1899 }
1900
1901 /*
1902 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1903 * where + can be used instead of / to form multi-valued RDNs if canmulti
1904 * and characters may be escaped by \
1905 */
1906 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1907 const char *desc)
1908 {
1909 int nextismulti = 0;
1910 char *work;
1911 X509_NAME *n;
1912
1913 if (*cp++ != '/') {
1914 BIO_printf(bio_err,
1915 "%s: %s name is expected to be in the format "
1916 "/type0=value0/type1=value1/type2=... where characters may "
1917 "be escaped by \\. This name is not in that format: '%s'\n",
1918 opt_getprog(), desc, --cp);
1919 return NULL;
1920 }
1921
1922 n = X509_NAME_new();
1923 if (n == NULL) {
1924 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1925 return NULL;
1926 }
1927 work = OPENSSL_strdup(cp);
1928 if (work == NULL) {
1929 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1930 opt_getprog(), desc);
1931 goto err;
1932 }
1933
1934 while (*cp != '\0') {
1935 char *bp = work;
1936 char *typestr = bp;
1937 unsigned char *valstr;
1938 int nid;
1939 int ismulti = nextismulti;
1940
1941 nextismulti = 0;
1942
1943 /* Collect the type */
1944 while (*cp != '\0' && *cp != '=')
1945 *bp++ = *cp++;
1946 *bp++ = '\0';
1947 if (*cp == '\0') {
1948 BIO_printf(bio_err,
1949 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1950 opt_getprog(), typestr, desc);
1951 goto err;
1952 }
1953 ++cp;
1954
1955 /* Collect the value. */
1956 valstr = (unsigned char *)bp;
1957 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1958 /* unescaped '+' symbol string signals further member of multiRDN */
1959 if (canmulti && *cp == '+') {
1960 nextismulti = 1;
1961 break;
1962 }
1963 if (*cp == '\\' && *++cp == '\0') {
1964 BIO_printf(bio_err,
1965 "%s: Escape character at end of %s name string\n",
1966 opt_getprog(), desc);
1967 goto err;
1968 }
1969 }
1970 *bp++ = '\0';
1971
1972 /* If not at EOS (must be + or /), move forward. */
1973 if (*cp != '\0')
1974 ++cp;
1975
1976 /* Parse */
1977 nid = OBJ_txt2nid(typestr);
1978 if (nid == NID_undef) {
1979 BIO_printf(bio_err,
1980 "%s warning: Skipping unknown %s name attribute \"%s\"\n",
1981 opt_getprog(), desc, typestr);
1982 if (ismulti)
1983 BIO_printf(bio_err,
1984 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n",
1985 opt_getprog());
1986 continue;
1987 }
1988 if (*valstr == '\0') {
1989 BIO_printf(bio_err,
1990 "%s warning: No value provided for %s name attribute \"%s\", skipped\n",
1991 opt_getprog(), desc, typestr);
1992 continue;
1993 }
1994 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1995 valstr, strlen((char *)valstr),
1996 -1, ismulti ? -1 : 0)) {
1997 ERR_print_errors(bio_err);
1998 BIO_printf(bio_err,
1999 "%s: Error adding %s name attribute \"/%s=%s\"\n",
2000 opt_getprog(), desc, typestr, valstr);
2001 goto err;
2002 }
2003 }
2004
2005 OPENSSL_free(work);
2006 return n;
2007
2008 err:
2009 X509_NAME_free(n);
2010 OPENSSL_free(work);
2011 return NULL;
2012 }
2013
2014 /*
2015 * Read whole contents of a BIO into an allocated memory buffer and return
2016 * it.
2017 */
2018
2019 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2020 {
2021 BIO *mem;
2022 int len, ret;
2023 unsigned char tbuf[1024];
2024
2025 mem = BIO_new(BIO_s_mem());
2026 if (mem == NULL)
2027 return -1;
2028 for (;;) {
2029 if ((maxlen != -1) && maxlen < 1024)
2030 len = maxlen;
2031 else
2032 len = 1024;
2033 len = BIO_read(in, tbuf, len);
2034 if (len < 0) {
2035 BIO_free(mem);
2036 return -1;
2037 }
2038 if (len == 0)
2039 break;
2040 if (BIO_write(mem, tbuf, len) != len) {
2041 BIO_free(mem);
2042 return -1;
2043 }
2044 if (maxlen != -1)
2045 maxlen -= len;
2046
2047 if (maxlen == 0)
2048 break;
2049 }
2050 ret = BIO_get_mem_data(mem, (char **)out);
2051 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2052 BIO_free(mem);
2053 return ret;
2054 }
2055
2056 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2057 {
2058 int rv = 0;
2059 char *stmp, *vtmp = NULL;
2060
2061 stmp = OPENSSL_strdup(value);
2062 if (stmp == NULL)
2063 return -1;
2064 vtmp = strchr(stmp, ':');
2065 if (vtmp == NULL)
2066 goto err;
2067
2068 *vtmp = 0;
2069 vtmp++;
2070 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2071
2072 err:
2073 OPENSSL_free(stmp);
2074 return rv;
2075 }
2076
2077 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2078 {
2079 X509_POLICY_NODE *node;
2080 int i;
2081
2082 BIO_printf(bio_err, "%s Policies:", name);
2083 if (nodes) {
2084 BIO_puts(bio_err, "\n");
2085 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2086 node = sk_X509_POLICY_NODE_value(nodes, i);
2087 X509_POLICY_NODE_print(bio_err, node, 2);
2088 }
2089 } else {
2090 BIO_puts(bio_err, " <empty>\n");
2091 }
2092 }
2093
2094 void policies_print(X509_STORE_CTX *ctx)
2095 {
2096 X509_POLICY_TREE *tree;
2097 int explicit_policy;
2098
2099 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2100 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2101
2102 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2103 explicit_policy ? "True" : "False");
2104
2105 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2106 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2107 }
2108
2109 /*-
2110 * next_protos_parse parses a comma separated list of strings into a string
2111 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2112 * outlen: (output) set to the length of the resulting buffer on success.
2113 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2114 * in: a NUL terminated string like "abc,def,ghi"
2115 *
2116 * returns: a malloc'd buffer or NULL on failure.
2117 */
2118 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2119 {
2120 size_t len;
2121 unsigned char *out;
2122 size_t i, start = 0;
2123 size_t skipped = 0;
2124
2125 len = strlen(in);
2126 if (len == 0 || len >= 65535)
2127 return NULL;
2128
2129 out = app_malloc(len + 1, "NPN buffer");
2130 for (i = 0; i <= len; ++i) {
2131 if (i == len || in[i] == ',') {
2132 /*
2133 * Zero-length ALPN elements are invalid on the wire, we could be
2134 * strict and reject the entire string, but just ignoring extra
2135 * commas seems harmless and more friendly.
2136 *
2137 * Every comma we skip in this way puts the input buffer another
2138 * byte ahead of the output buffer, so all stores into the output
2139 * buffer need to be decremented by the number commas skipped.
2140 */
2141 if (i == start) {
2142 ++start;
2143 ++skipped;
2144 continue;
2145 }
2146 if (i - start > 255) {
2147 OPENSSL_free(out);
2148 return NULL;
2149 }
2150 out[start - skipped] = (unsigned char)(i - start);
2151 start = i + 1;
2152 } else {
2153 out[i + 1 - skipped] = in[i];
2154 }
2155 }
2156
2157 if (len <= skipped) {
2158 OPENSSL_free(out);
2159 return NULL;
2160 }
2161
2162 *outlen = len + 1 - skipped;
2163 return out;
2164 }
2165
2166 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost,
2167 const char *checkemail, const char *checkip,
2168 int print)
2169 {
2170 int valid_host = 0;
2171 int valid_mail = 0;
2172 int valid_ip = 0;
2173 int ret = 1;
2174
2175 if (x == NULL)
2176 return 0;
2177
2178 if (checkhost != NULL) {
2179 valid_host = X509_check_host(x, checkhost, 0, 0, NULL);
2180 if (print)
2181 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2182 checkhost, valid_host == 1 ? "" : " NOT");
2183 ret = ret && valid_host;
2184 }
2185
2186 if (checkemail != NULL) {
2187 valid_mail = X509_check_email(x, checkemail, 0, 0);
2188 if (print)
2189 BIO_printf(bio, "Email %s does%s match certificate\n",
2190 checkemail, valid_mail ? "" : " NOT");
2191 ret = ret && valid_mail;
2192 }
2193
2194 if (checkip != NULL) {
2195 valid_ip = X509_check_ip_asc(x, checkip, 0);
2196 if (print)
2197 BIO_printf(bio, "IP %s does%s match certificate\n",
2198 checkip, valid_ip ? "" : " NOT");
2199 ret = ret && valid_ip;
2200 }
2201
2202 return ret;
2203 }
2204
2205 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2206 {
2207 int i;
2208
2209 if (opts == NULL)
2210 return 1;
2211
2212 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2213 char *opt = sk_OPENSSL_STRING_value(opts, i);
2214
2215 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2216 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2217 ERR_print_errors(bio_err);
2218 return 0;
2219 }
2220 }
2221
2222 return 1;
2223 }
2224
2225 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2226 {
2227 int i;
2228
2229 if (opts == NULL)
2230 return 1;
2231
2232 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2233 char *opt = sk_OPENSSL_STRING_value(opts, i);
2234
2235 if (x509_ctrl_string(x, opt) <= 0) {
2236 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2237 ERR_print_errors(bio_err);
2238 return 0;
2239 }
2240 }
2241
2242 return 1;
2243 }
2244
2245 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2246 {
2247 int i;
2248
2249 if (opts == NULL)
2250 return 1;
2251
2252 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2253 char *opt = sk_OPENSSL_STRING_value(opts, i);
2254
2255 if (x509_req_ctrl_string(x, opt) <= 0) {
2256 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2257 ERR_print_errors(bio_err);
2258 return 0;
2259 }
2260 }
2261
2262 return 1;
2263 }
2264
2265 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2266 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2267 {
2268 EVP_PKEY_CTX *pkctx = NULL;
2269 char def_md[80];
2270
2271 if (ctx == NULL)
2272 return 0;
2273 /*
2274 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2275 * for this algorithm.
2276 */
2277 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2278 && strcmp(def_md, "UNDEF") == 0) {
2279 /* The signing algorithm requires there to be no digest */
2280 md = NULL;
2281 }
2282
2283 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2284 app_get0_propq(), pkey, NULL)
2285 && do_pkey_ctx_init(pkctx, sigopts);
2286 }
2287
2288 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2289 const char *name, const char *value, int add_default)
2290 {
2291 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2292 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2293 int idx, rv = 0;
2294
2295 if (new_ext == NULL)
2296 return rv;
2297
2298 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2299 if (idx >= 0) {
2300 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2301 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext);
2302 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */
2303
2304 if (disabled) {
2305 X509_delete_ext(cert, idx);
2306 X509_EXTENSION_free(found_ext);
2307 } /* else keep existing key identifier, which might be outdated */
2308 rv = 1;
2309 } else {
2310 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2311 }
2312 X509_EXTENSION_free(new_ext);
2313 return rv;
2314 }
2315
2316 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey)
2317 {
2318 int match;
2319
2320 ERR_set_mark();
2321 match = X509_check_private_key(cert, pkey);
2322 ERR_pop_to_mark();
2323 return match;
2324 }
2325
2326 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2327 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md,
2328 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2329 {
2330 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2331 int self_sign;
2332 int rv = 0;
2333
2334 if (!force_v1) {
2335 if (!X509_set_version(cert, X509_VERSION_3))
2336 goto end;
2337
2338 /*
2339 * Add default SKID before AKID such that AKID can make use of it
2340 * in case the certificate is self-signed
2341 */
2342 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2343 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2344 goto end;
2345 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2346 self_sign = cert_matches_key(cert, pkey);
2347 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2348 "keyid, issuer", !self_sign))
2349 goto end;
2350 }
2351 /* May add further measures for ensuring RFC 5280 compliance, see #19805 */
2352
2353 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2354 rv = (X509_sign_ctx(cert, mctx) > 0);
2355 end:
2356 EVP_MD_CTX_free(mctx);
2357 return rv;
2358 }
2359
2360 /* Sign the certificate request info */
2361 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2362 STACK_OF(OPENSSL_STRING) *sigopts)
2363 {
2364 int rv = 0;
2365 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2366
2367 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2368 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2369 EVP_MD_CTX_free(mctx);
2370 return rv;
2371 }
2372
2373 /* Sign the CRL info */
2374 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2375 STACK_OF(OPENSSL_STRING) *sigopts)
2376 {
2377 int rv = 0;
2378 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2379
2380 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2381 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2382 EVP_MD_CTX_free(mctx);
2383 return rv;
2384 }
2385
2386 /*
2387 * do_X509_verify returns 1 if the signature is valid,
2388 * 0 if the signature check fails, or -1 if error occurs.
2389 */
2390 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2391 {
2392 int rv = 0;
2393
2394 if (do_x509_init(x, vfyopts) > 0)
2395 rv = X509_verify(x, pkey);
2396 else
2397 rv = -1;
2398 return rv;
2399 }
2400
2401 /*
2402 * do_X509_REQ_verify returns 1 if the signature is valid,
2403 * 0 if the signature check fails, or -1 if error occurs.
2404 */
2405 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2406 STACK_OF(OPENSSL_STRING) *vfyopts)
2407 {
2408 int rv = 0;
2409
2410 if (do_x509_req_init(x, vfyopts) > 0)
2411 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq());
2412 else
2413 rv = -1;
2414 return rv;
2415 }
2416
2417 /* Get first http URL from a DIST_POINT structure */
2418
2419 static const char *get_dp_url(DIST_POINT *dp)
2420 {
2421 GENERAL_NAMES *gens;
2422 GENERAL_NAME *gen;
2423 int i, gtype;
2424 ASN1_STRING *uri;
2425
2426 if (!dp->distpoint || dp->distpoint->type != 0)
2427 return NULL;
2428 gens = dp->distpoint->name.fullname;
2429 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2430 gen = sk_GENERAL_NAME_value(gens, i);
2431 uri = GENERAL_NAME_get0_value(gen, &gtype);
2432 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2433 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2434
2435 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2436 return uptr;
2437 }
2438 }
2439 return NULL;
2440 }
2441
2442 /*
2443 * Look through a CRLDP structure and attempt to find an http URL to
2444 * downloads a CRL from.
2445 */
2446
2447 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2448 {
2449 int i;
2450 const char *urlptr = NULL;
2451
2452 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2453 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2454
2455 urlptr = get_dp_url(dp);
2456 if (urlptr != NULL)
2457 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2458 }
2459 return NULL;
2460 }
2461
2462 /*
2463 * Example of downloading CRLs from CRLDP:
2464 * not usable for real world as it always downloads and doesn't cache anything.
2465 */
2466
2467 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2468 const X509_NAME *nm)
2469 {
2470 X509 *x;
2471 STACK_OF(X509_CRL) *crls = NULL;
2472 X509_CRL *crl;
2473 STACK_OF(DIST_POINT) *crldp;
2474
2475 crls = sk_X509_CRL_new_null();
2476 if (!crls)
2477 return NULL;
2478 x = X509_STORE_CTX_get_current_cert(ctx);
2479 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2480 crl = load_crl_crldp(crldp);
2481 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2482 if (!crl) {
2483 sk_X509_CRL_free(crls);
2484 return NULL;
2485 }
2486 sk_X509_CRL_push(crls, crl);
2487 /* Try to download delta CRL */
2488 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2489 crl = load_crl_crldp(crldp);
2490 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2491 if (crl)
2492 sk_X509_CRL_push(crls, crl);
2493 return crls;
2494 }
2495
2496 void store_setup_crl_download(X509_STORE *st)
2497 {
2498 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2499 }
2500
2501 #if !defined(OPENSSL_NO_SOCK) && !defined(OPENSSL_NO_HTTP)
2502 static const char *tls_error_hint(void)
2503 {
2504 unsigned long err = ERR_peek_error();
2505
2506 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2507 err = ERR_peek_last_error();
2508 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2509 return NULL; /* likely no TLS error */
2510
2511 switch (ERR_GET_REASON(err)) {
2512 case SSL_R_WRONG_VERSION_NUMBER:
2513 return "The server does not support (a suitable version of) TLS";
2514 case SSL_R_UNKNOWN_PROTOCOL:
2515 return "The server does not support HTTPS";
2516 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2517 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2518 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2519 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2520 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2521 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2522 default:
2523 return NULL; /* no hint available for TLS error */
2524 }
2525 }
2526
2527 static BIO *http_tls_shutdown(BIO *bio)
2528 {
2529 if (bio != NULL) {
2530 BIO *cbio;
2531 const char *hint = tls_error_hint();
2532
2533 if (hint != NULL)
2534 BIO_printf(bio_err, "%s\n", hint);
2535 (void)ERR_set_mark();
2536 BIO_ssl_shutdown(bio);
2537 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2538 BIO_free(bio); /* SSL BIO */
2539 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2540 bio = cbio;
2541 }
2542 return bio;
2543 }
2544
2545 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2546 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2547 {
2548 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2549 SSL_CTX *ssl_ctx = info->ssl_ctx;
2550
2551 if (ssl_ctx == NULL) /* not using TLS */
2552 return bio;
2553 if (connect) {
2554 SSL *ssl;
2555 BIO *sbio = NULL;
2556 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2557 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2558 const char *host = vpm == NULL ? NULL :
2559 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2560
2561 /* adapt after fixing callback design flaw, see #17088 */
2562 if ((info->use_proxy
2563 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2564 NULL, NULL, /* no proxy credentials */
2565 info->timeout, bio_err, opt_getprog()))
2566 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2567 return NULL;
2568 }
2569 if ((ssl = SSL_new(ssl_ctx)) == NULL) {
2570 BIO_free(sbio);
2571 return NULL;
2572 }
2573
2574 if (vpm != NULL)
2575 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2576
2577 SSL_set_connect_state(ssl);
2578 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2579
2580 bio = BIO_push(sbio, bio);
2581 } else { /* disconnect from TLS */
2582 bio = http_tls_shutdown(bio);
2583 }
2584 return bio;
2585 }
2586
2587 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2588 {
2589 if (info != NULL) {
2590 SSL_CTX_free(info->ssl_ctx);
2591 OPENSSL_free(info);
2592 }
2593 }
2594
2595 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2596 const char *no_proxy, SSL_CTX *ssl_ctx,
2597 const STACK_OF(CONF_VALUE) *headers,
2598 long timeout, const char *expected_content_type,
2599 const ASN1_ITEM *it)
2600 {
2601 APP_HTTP_TLS_INFO info;
2602 char *server;
2603 char *port;
2604 int use_ssl;
2605 BIO *mem;
2606 ASN1_VALUE *resp = NULL;
2607
2608 if (url == NULL || it == NULL) {
2609 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2610 return NULL;
2611 }
2612
2613 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2614 NULL /* port_num, */, NULL, NULL, NULL))
2615 return NULL;
2616 if (use_ssl && ssl_ctx == NULL) {
2617 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2618 "missing SSL_CTX");
2619 goto end;
2620 }
2621 if (!use_ssl && ssl_ctx != NULL) {
2622 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2623 "SSL_CTX given but use_ssl == 0");
2624 goto end;
2625 }
2626
2627 info.server = server;
2628 info.port = port;
2629 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2630 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2631 info.timeout = timeout;
2632 info.ssl_ctx = ssl_ctx;
2633 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2634 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2635 expected_content_type, 1 /* expect_asn1 */,
2636 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2637 resp = ASN1_item_d2i_bio(it, mem, NULL);
2638 BIO_free(mem);
2639
2640 end:
2641 OPENSSL_free(server);
2642 OPENSSL_free(port);
2643 return resp;
2644
2645 }
2646
2647 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2648 const char *path, const char *proxy,
2649 const char *no_proxy, SSL_CTX *ssl_ctx,
2650 const STACK_OF(CONF_VALUE) *headers,
2651 const char *content_type,
2652 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2653 const char *expected_content_type,
2654 long timeout, const ASN1_ITEM *rsp_it)
2655 {
2656 int use_ssl = ssl_ctx != NULL;
2657 APP_HTTP_TLS_INFO info;
2658 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2659 ASN1_VALUE *res;
2660
2661 if (req_mem == NULL)
2662 return NULL;
2663
2664 info.server = host;
2665 info.port = port;
2666 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2667 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2668 info.timeout = timeout;
2669 info.ssl_ctx = ssl_ctx;
2670 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2671 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2672 app_http_tls_cb, &info,
2673 0 /* buf_size */, headers, content_type, req_mem,
2674 expected_content_type, 1 /* expect_asn1 */,
2675 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2676 0 /* keep_alive */);
2677 BIO_free(req_mem);
2678 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2679 BIO_free(rsp);
2680 return res;
2681 }
2682
2683 #endif
2684
2685 /*
2686 * Platform-specific sections
2687 */
2688 #if defined(_WIN32)
2689 # ifdef fileno
2690 # undef fileno
2691 # define fileno(a) (int)_fileno(a)
2692 # endif
2693
2694 # include <windows.h>
2695 # include <tchar.h>
2696
2697 static int WIN32_rename(const char *from, const char *to)
2698 {
2699 TCHAR *tfrom = NULL, *tto;
2700 DWORD err;
2701 int ret = 0;
2702
2703 if (sizeof(TCHAR) == 1) {
2704 tfrom = (TCHAR *)from;
2705 tto = (TCHAR *)to;
2706 } else { /* UNICODE path */
2707 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2708
2709 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2710 if (tfrom == NULL)
2711 goto err;
2712 tto = tfrom + flen;
2713 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2714 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2715 # endif
2716 for (i = 0; i < flen; i++)
2717 tfrom[i] = (TCHAR)from[i];
2718 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2719 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2720 # endif
2721 for (i = 0; i < tlen; i++)
2722 tto[i] = (TCHAR)to[i];
2723 }
2724
2725 if (MoveFile(tfrom, tto))
2726 goto ok;
2727 err = GetLastError();
2728 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2729 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2730 goto ok;
2731 err = GetLastError();
2732 }
2733 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2734 errno = ENOENT;
2735 else if (err == ERROR_ACCESS_DENIED)
2736 errno = EACCES;
2737 else
2738 errno = EINVAL; /* we could map more codes... */
2739 err:
2740 ret = -1;
2741 ok:
2742 if (tfrom != NULL && tfrom != (TCHAR *)from)
2743 free(tfrom);
2744 return ret;
2745 }
2746 #endif
2747
2748 /* app_tminterval section */
2749 #if defined(_WIN32)
2750 double app_tminterval(int stop, int usertime)
2751 {
2752 FILETIME now;
2753 double ret = 0;
2754 static ULARGE_INTEGER tmstart;
2755 static int warning = 1;
2756 int use_GetSystemTime = 1;
2757 # ifdef _WIN32_WINNT
2758 static HANDLE proc = NULL;
2759
2760 if (proc == NULL) {
2761 if (check_winnt())
2762 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2763 GetCurrentProcessId());
2764 if (proc == NULL)
2765 proc = (HANDLE) - 1;
2766 }
2767
2768 if (usertime && proc != (HANDLE) - 1) {
2769 FILETIME junk;
2770
2771 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2772 use_GetSystemTime = 0;
2773 }
2774 # endif
2775 if (use_GetSystemTime) {
2776 SYSTEMTIME systime;
2777
2778 if (usertime && warning) {
2779 BIO_printf(bio_err, "To get meaningful results, run "
2780 "this program on idle system.\n");
2781 warning = 0;
2782 }
2783 GetSystemTime(&systime);
2784 SystemTimeToFileTime(&systime, &now);
2785 }
2786
2787 if (stop == TM_START) {
2788 tmstart.u.LowPart = now.dwLowDateTime;
2789 tmstart.u.HighPart = now.dwHighDateTime;
2790 } else {
2791 ULARGE_INTEGER tmstop;
2792
2793 tmstop.u.LowPart = now.dwLowDateTime;
2794 tmstop.u.HighPart = now.dwHighDateTime;
2795
2796 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2797 }
2798
2799 return ret;
2800 }
2801 #elif defined(OPENSSL_SYS_VXWORKS)
2802 # include <time.h>
2803
2804 double app_tminterval(int stop, int usertime)
2805 {
2806 double ret = 0;
2807 # ifdef CLOCK_REALTIME
2808 static struct timespec tmstart;
2809 struct timespec now;
2810 # else
2811 static unsigned long tmstart;
2812 unsigned long now;
2813 # endif
2814 static int warning = 1;
2815
2816 if (usertime && warning) {
2817 BIO_printf(bio_err, "To get meaningful results, run "
2818 "this program on idle system.\n");
2819 warning = 0;
2820 }
2821 # ifdef CLOCK_REALTIME
2822 clock_gettime(CLOCK_REALTIME, &now);
2823 if (stop == TM_START)
2824 tmstart = now;
2825 else
2826 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2827 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2828 # else
2829 now = tickGet();
2830 if (stop == TM_START)
2831 tmstart = now;
2832 else
2833 ret = (now - tmstart) / (double)sysClkRateGet();
2834 # endif
2835 return ret;
2836 }
2837
2838 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2839 # include <sys/times.h>
2840
2841 double app_tminterval(int stop, int usertime)
2842 {
2843 double ret = 0;
2844 struct tms rus;
2845 clock_t now = times(&rus);
2846 static clock_t tmstart;
2847
2848 if (usertime)
2849 now = rus.tms_utime;
2850
2851 if (stop == TM_START) {
2852 tmstart = now;
2853 } else {
2854 long int tck = sysconf(_SC_CLK_TCK);
2855
2856 ret = (now - tmstart) / (double)tck;
2857 }
2858
2859 return ret;
2860 }
2861
2862 #else
2863 # include <sys/time.h>
2864 # include <sys/resource.h>
2865
2866 double app_tminterval(int stop, int usertime)
2867 {
2868 double ret = 0;
2869 struct rusage rus;
2870 struct timeval now;
2871 static struct timeval tmstart;
2872
2873 if (usertime)
2874 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2875 else
2876 gettimeofday(&now, NULL);
2877
2878 if (stop == TM_START)
2879 tmstart = now;
2880 else
2881 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2882 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2883
2884 return ret;
2885 }
2886 #endif
2887
2888 int app_access(const char *name, int flag)
2889 {
2890 #ifdef _WIN32
2891 return _access(name, flag);
2892 #else
2893 return access(name, flag);
2894 #endif
2895 }
2896
2897 int app_isdir(const char *name)
2898 {
2899 return opt_isdir(name);
2900 }
2901
2902 /* raw_read|write section */
2903 #if defined(__VMS)
2904 # include "vms_term_sock.h"
2905 static int stdin_sock = -1;
2906
2907 static void close_stdin_sock(void)
2908 {
2909 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock);
2910 }
2911
2912 int fileno_stdin(void)
2913 {
2914 if (stdin_sock == -1) {
2915 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2916 atexit(close_stdin_sock);
2917 }
2918
2919 return stdin_sock;
2920 }
2921 #else
2922 int fileno_stdin(void)
2923 {
2924 return fileno(stdin);
2925 }
2926 #endif
2927
2928 int fileno_stdout(void)
2929 {
2930 return fileno(stdout);
2931 }
2932
2933 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2934 int raw_read_stdin(void *buf, int siz)
2935 {
2936 DWORD n;
2937
2938 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2939 return n;
2940 else
2941 return -1;
2942 }
2943 #elif defined(__VMS)
2944 # include <sys/socket.h>
2945
2946 int raw_read_stdin(void *buf, int siz)
2947 {
2948 return recv(fileno_stdin(), buf, siz, 0);
2949 }
2950 #else
2951 # if defined(__TANDEM)
2952 # if defined(OPENSSL_TANDEM_FLOSS)
2953 # include <floss.h(floss_read)>
2954 # endif
2955 # endif
2956 int raw_read_stdin(void *buf, int siz)
2957 {
2958 return read(fileno_stdin(), buf, siz);
2959 }
2960 #endif
2961
2962 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2963 int raw_write_stdout(const void *buf, int siz)
2964 {
2965 DWORD n;
2966
2967 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2968 return n;
2969 else
2970 return -1;
2971 }
2972 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \
2973 && defined(_SPT_MODEL_)
2974 # if defined(__TANDEM)
2975 # if defined(OPENSSL_TANDEM_FLOSS)
2976 # include <floss.h(floss_write)>
2977 # endif
2978 # endif
2979 int raw_write_stdout(const void *buf, int siz)
2980 {
2981 return write(fileno(stdout), (void *)buf, siz);
2982 }
2983 #else
2984 # if defined(__TANDEM)
2985 # if defined(OPENSSL_TANDEM_FLOSS)
2986 # include <floss.h(floss_write)>
2987 # endif
2988 # endif
2989 int raw_write_stdout(const void *buf, int siz)
2990 {
2991 return write(fileno_stdout(), buf, siz);
2992 }
2993 #endif
2994
2995 /*
2996 * Centralized handling of input and output files with format specification
2997 * The format is meant to show what the input and output is supposed to be,
2998 * and is therefore a show of intent more than anything else. However, it
2999 * does impact behavior on some platforms, such as differentiating between
3000 * text and binary input/output on non-Unix platforms
3001 */
3002 BIO *dup_bio_in(int format)
3003 {
3004 return BIO_new_fp(stdin,
3005 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3006 }
3007
3008 BIO *dup_bio_out(int format)
3009 {
3010 BIO *b = BIO_new_fp(stdout,
3011 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3012 void *prefix = NULL;
3013
3014 if (b == NULL)
3015 return NULL;
3016
3017 #ifdef OPENSSL_SYS_VMS
3018 if (FMT_istext(format))
3019 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3020 #endif
3021
3022 if (FMT_istext(format)
3023 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
3024 b = BIO_push(BIO_new(BIO_f_prefix()), b);
3025 BIO_set_prefix(b, prefix);
3026 }
3027
3028 return b;
3029 }
3030
3031 BIO *dup_bio_err(int format)
3032 {
3033 BIO *b = BIO_new_fp(stderr,
3034 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3035
3036 #ifdef OPENSSL_SYS_VMS
3037 if (b != NULL && FMT_istext(format))
3038 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3039 #endif
3040 return b;
3041 }
3042
3043 void unbuffer(FILE *fp)
3044 {
3045 /*
3046 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
3047 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
3048 * However, we trust that the C RTL will never give us a FILE pointer
3049 * above the first 4 GB of memory, so we simply turn off the warning
3050 * temporarily.
3051 */
3052 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3053 # pragma environment save
3054 # pragma message disable maylosedata2
3055 #endif
3056 setbuf(fp, NULL);
3057 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3058 # pragma environment restore
3059 #endif
3060 }
3061
3062 static const char *modestr(char mode, int format)
3063 {
3064 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
3065
3066 switch (mode) {
3067 case 'a':
3068 return FMT_istext(format) ? "a" : "ab";
3069 case 'r':
3070 return FMT_istext(format) ? "r" : "rb";
3071 case 'w':
3072 return FMT_istext(format) ? "w" : "wb";
3073 }
3074 /* The assert above should make sure we never reach this point */
3075 return NULL;
3076 }
3077
3078 static const char *modeverb(char mode)
3079 {
3080 switch (mode) {
3081 case 'a':
3082 return "appending";
3083 case 'r':
3084 return "reading";
3085 case 'w':
3086 return "writing";
3087 }
3088 return "(doing something)";
3089 }
3090
3091 /*
3092 * Open a file for writing, owner-read-only.
3093 */
3094 BIO *bio_open_owner(const char *filename, int format, int private)
3095 {
3096 FILE *fp = NULL;
3097 BIO *b = NULL;
3098 int textmode, bflags;
3099 #ifndef OPENSSL_NO_POSIX_IO
3100 int fd = -1, mode;
3101 #endif
3102
3103 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3104 return bio_open_default(filename, 'w', format);
3105
3106 textmode = FMT_istext(format);
3107 #ifndef OPENSSL_NO_POSIX_IO
3108 mode = O_WRONLY;
3109 # ifdef O_CREAT
3110 mode |= O_CREAT;
3111 # endif
3112 # ifdef O_TRUNC
3113 mode |= O_TRUNC;
3114 # endif
3115 if (!textmode) {
3116 # ifdef O_BINARY
3117 mode |= O_BINARY;
3118 # elif defined(_O_BINARY)
3119 mode |= _O_BINARY;
3120 # endif
3121 }
3122
3123 # ifdef OPENSSL_SYS_VMS
3124 /*
3125 * VMS doesn't have O_BINARY, it just doesn't make sense. But,
3126 * it still needs to know that we're going binary, or fdopen()
3127 * will fail with "invalid argument"... so we tell VMS what the
3128 * context is.
3129 */
3130 if (!textmode)
3131 fd = open(filename, mode, 0600, "ctx=bin");
3132 else
3133 # endif
3134 fd = open(filename, mode, 0600);
3135 if (fd < 0)
3136 goto err;
3137 fp = fdopen(fd, modestr('w', format));
3138 #else /* OPENSSL_NO_POSIX_IO */
3139 /* Have stdio but not Posix IO, do the best we can */
3140 fp = fopen(filename, modestr('w', format));
3141 #endif /* OPENSSL_NO_POSIX_IO */
3142 if (fp == NULL)
3143 goto err;
3144 bflags = BIO_CLOSE;
3145 if (textmode)
3146 bflags |= BIO_FP_TEXT;
3147 b = BIO_new_fp(fp, bflags);
3148 if (b != NULL)
3149 return b;
3150
3151 err:
3152 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3153 opt_getprog(), filename, strerror(errno));
3154 ERR_print_errors(bio_err);
3155 /* If we have fp, then fdopen took over fd, so don't close both. */
3156 if (fp != NULL)
3157 fclose(fp);
3158 #ifndef OPENSSL_NO_POSIX_IO
3159 else if (fd >= 0)
3160 close(fd);
3161 #endif
3162 return NULL;
3163 }
3164
3165 static BIO *bio_open_default_(const char *filename, char mode, int format,
3166 int quiet)
3167 {
3168 BIO *ret;
3169
3170 if (filename == NULL || strcmp(filename, "-") == 0) {
3171 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3172 if (quiet) {
3173 ERR_clear_error();
3174 return ret;
3175 }
3176 if (ret != NULL)
3177 return ret;
3178 BIO_printf(bio_err,
3179 "Can't open %s, %s\n",
3180 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3181 } else {
3182 ret = BIO_new_file(filename, modestr(mode, format));
3183 if (quiet) {
3184 ERR_clear_error();
3185 return ret;
3186 }
3187 if (ret != NULL)
3188 return ret;
3189 BIO_printf(bio_err,
3190 "Can't open \"%s\" for %s, %s\n",
3191 filename, modeverb(mode), strerror(errno));
3192 }
3193 ERR_print_errors(bio_err);
3194 return NULL;
3195 }
3196
3197 BIO *bio_open_default(const char *filename, char mode, int format)
3198 {
3199 return bio_open_default_(filename, mode, format, 0);
3200 }
3201
3202 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3203 {
3204 return bio_open_default_(filename, mode, format, 1);
3205 }
3206
3207 void wait_for_async(SSL *s)
3208 {
3209 /* On Windows select only works for sockets, so we simply don't wait */
3210 #ifndef OPENSSL_SYS_WINDOWS
3211 int width = 0;
3212 fd_set asyncfds;
3213 OSSL_ASYNC_FD *fds;
3214 size_t numfds;
3215 size_t i;
3216
3217 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3218 return;
3219 if (numfds == 0)
3220 return;
3221 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3222 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3223 OPENSSL_free(fds);
3224 return;
3225 }
3226
3227 FD_ZERO(&asyncfds);
3228 for (i = 0; i < numfds; i++) {
3229 if (width <= (int)fds[i])
3230 width = (int)fds[i] + 1;
3231 openssl_fdset((int)fds[i], &asyncfds);
3232 }
3233 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3234 OPENSSL_free(fds);
3235 #endif
3236 }
3237
3238 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3239 #if defined(OPENSSL_SYS_MSDOS)
3240 int has_stdin_waiting(void)
3241 {
3242 # if defined(OPENSSL_SYS_WINDOWS)
3243 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3244 DWORD events = 0;
3245 INPUT_RECORD inputrec;
3246 DWORD insize = 1;
3247 BOOL peeked;
3248
3249 if (inhand == INVALID_HANDLE_VALUE) {
3250 return 0;
3251 }
3252
3253 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3254 if (!peeked) {
3255 /* Probably redirected input? _kbhit() does not work in this case */
3256 if (!feof(stdin)) {
3257 return 1;
3258 }
3259 return 0;
3260 }
3261 # endif
3262 return _kbhit();
3263 }
3264 #endif
3265
3266 /* Corrupt a signature by modifying final byte */
3267 void corrupt_signature(const ASN1_STRING *signature)
3268 {
3269 unsigned char *s = signature->data;
3270
3271 s[signature->length - 1] ^= 0x1;
3272 }
3273
3274 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3275 int days)
3276 {
3277 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3278 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3279 return 0;
3280 } else {
3281 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3282 return 0;
3283 }
3284 if (enddate == NULL) {
3285 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3286 == NULL)
3287 return 0;
3288 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3289 return 0;
3290 }
3291 return 1;
3292 }
3293
3294 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3295 {
3296 int ret = 0;
3297 ASN1_TIME *tm = ASN1_TIME_new();
3298
3299 if (tm == NULL)
3300 goto end;
3301
3302 if (lastupdate == NULL) {
3303 if (X509_gmtime_adj(tm, 0) == NULL)
3304 goto end;
3305 } else {
3306 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3307 goto end;
3308 }
3309
3310 if (!X509_CRL_set1_lastUpdate(crl, tm))
3311 goto end;
3312
3313 ret = 1;
3314 end:
3315 ASN1_TIME_free(tm);
3316 return ret;
3317 }
3318
3319 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3320 long days, long hours, long secs)
3321 {
3322 int ret = 0;
3323 ASN1_TIME *tm = ASN1_TIME_new();
3324
3325 if (tm == NULL)
3326 goto end;
3327
3328 if (nextupdate == NULL) {
3329 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3330 goto end;
3331 } else {
3332 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3333 goto end;
3334 }
3335
3336 if (!X509_CRL_set1_nextUpdate(crl, tm))
3337 goto end;
3338
3339 ret = 1;
3340 end:
3341 ASN1_TIME_free(tm);
3342 return ret;
3343 }
3344
3345 void make_uppercase(char *string)
3346 {
3347 int i;
3348
3349 for (i = 0; string[i] != '\0'; i++)
3350 string[i] = toupper((unsigned char)string[i]);
3351 }
3352
3353 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3354 const OSSL_PARAM *paramdefs)
3355 {
3356 OSSL_PARAM *params = NULL;
3357 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3358 size_t params_n;
3359 char *opt = "", *stmp, *vtmp = NULL;
3360 int found = 1;
3361
3362 if (opts == NULL)
3363 return NULL;
3364
3365 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3366 if (params == NULL)
3367 return NULL;
3368
3369 for (params_n = 0; params_n < sz; params_n++) {
3370 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3371 if ((stmp = OPENSSL_strdup(opt)) == NULL
3372 || (vtmp = strchr(stmp, ':')) == NULL)
3373 goto err;
3374 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3375 *vtmp = 0;
3376 /* Skip over the separator so that vmtp points to the value */
3377 vtmp++;
3378 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3379 stmp, vtmp, strlen(vtmp), &found))
3380 goto err;
3381 OPENSSL_free(stmp);
3382 }
3383 params[params_n] = OSSL_PARAM_construct_end();
3384 return params;
3385 err:
3386 OPENSSL_free(stmp);
3387 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3388 opt);
3389 ERR_print_errors(bio_err);
3390 app_params_free(params);
3391 return NULL;
3392 }
3393
3394 void app_params_free(OSSL_PARAM *params)
3395 {
3396 int i;
3397
3398 if (params != NULL) {
3399 for (i = 0; params[i].key != NULL; ++i)
3400 OPENSSL_free(params[i].data);
3401 OPENSSL_free(params);
3402 }
3403 }
3404
3405 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3406 {
3407 EVP_PKEY *res = NULL;
3408
3409 if (verbose && alg != NULL) {
3410 BIO_printf(bio_err, "Generating %s key", alg);
3411 if (bits > 0)
3412 BIO_printf(bio_err, " with %d bits\n", bits);
3413 else
3414 BIO_printf(bio_err, "\n");
3415 }
3416 if (!RAND_status())
3417 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3418 "if the system has a poor entropy source\n");
3419 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3420 app_bail_out("%s: Error generating %s key\n", opt_getprog(),
3421 alg != NULL ? alg : "asymmetric");
3422 return res;
3423 }
3424
3425 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3426 {
3427 EVP_PKEY *res = NULL;
3428
3429 if (!RAND_status())
3430 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3431 "if the system has a poor entropy source\n");
3432 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3433 app_bail_out("%s: Generating %s key parameters failed\n",
3434 opt_getprog(), alg != NULL ? alg : "asymmetric");
3435 return res;
3436 }
3437
3438 /*
3439 * Return non-zero if the legacy path is still an option.
3440 * This decision is based on the global command line operations and the
3441 * behaviour thus far.
3442 */
3443 int opt_legacy_okay(void)
3444 {
3445 int provider_options = opt_provider_option_given();
3446 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3447 /*
3448 * Having a provider option specified or a custom library context or
3449 * property query, is a sure sign we're not using legacy.
3450 */
3451 if (provider_options || libctx)
3452 return 0;
3453 return 1;
3454 }
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