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CMP app and app_http_tls_cb(): pick the right TLS hostname (also without port)
[thirdparty/openssl.git] / apps / lib / apps.c
1 /*
2 * Copyright 1995-2022 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 CONF *app_load_config_bio(BIO *in, const char *filename)
340 {
341 long errorline = -1;
342 CONF *conf;
343 int i;
344
345 conf = NCONF_new_ex(app_get0_libctx(), NULL);
346 i = NCONF_load_bio(conf, in, &errorline);
347 if (i > 0)
348 return conf;
349
350 if (errorline <= 0) {
351 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
352 } else {
353 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
354 errorline);
355 }
356 if (filename != NULL)
357 BIO_printf(bio_err, "config file \"%s\"\n", filename);
358 else
359 BIO_printf(bio_err, "config input");
360
361 NCONF_free(conf);
362 return NULL;
363 }
364
365 CONF *app_load_config_verbose(const char *filename, int verbose)
366 {
367 if (verbose) {
368 if (*filename == '\0')
369 BIO_printf(bio_err, "No configuration used\n");
370 else
371 BIO_printf(bio_err, "Using configuration from %s\n", filename);
372 }
373 return app_load_config_internal(filename, 0);
374 }
375
376 CONF *app_load_config_internal(const char *filename, int quiet)
377 {
378 BIO *in;
379 CONF *conf;
380
381 if (filename == NULL || *filename != '\0') {
382 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
383 return NULL;
384 conf = app_load_config_bio(in, filename);
385 BIO_free(in);
386 } else {
387 /* Return empty config if filename is empty string. */
388 conf = NCONF_new_ex(app_get0_libctx(), NULL);
389 }
390 return conf;
391 }
392
393 int app_load_modules(const CONF *config)
394 {
395 CONF *to_free = NULL;
396
397 if (config == NULL)
398 config = to_free = app_load_config_quiet(default_config_file);
399 if (config == NULL)
400 return 1;
401
402 if (CONF_modules_load(config, NULL, 0) <= 0) {
403 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
404 ERR_print_errors(bio_err);
405 NCONF_free(to_free);
406 return 0;
407 }
408 NCONF_free(to_free);
409 return 1;
410 }
411
412 int add_oid_section(CONF *conf)
413 {
414 char *p;
415 STACK_OF(CONF_VALUE) *sktmp;
416 CONF_VALUE *cnf;
417 int i;
418
419 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
420 ERR_clear_error();
421 return 1;
422 }
423 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
424 BIO_printf(bio_err, "problem loading oid section %s\n", p);
425 return 0;
426 }
427 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
428 cnf = sk_CONF_VALUE_value(sktmp, i);
429 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
430 BIO_printf(bio_err, "problem creating object %s=%s\n",
431 cnf->name, cnf->value);
432 return 0;
433 }
434 }
435 return 1;
436 }
437
438 CONF *app_load_config_modules(const char *configfile)
439 {
440 CONF *conf = NULL;
441
442 if (configfile != NULL) {
443 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
444 return NULL;
445 if (configfile != default_config_file && !app_load_modules(conf)) {
446 NCONF_free(conf);
447 conf = NULL;
448 }
449 }
450 return conf;
451 }
452
453 #define IS_HTTP(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTP_PREFIX))
454 #define IS_HTTPS(uri) ((uri) != NULL && HAS_PREFIX(uri, OSSL_HTTPS_PREFIX))
455
456 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
457 const char *pass, const char *desc)
458 {
459 X509 *cert = NULL;
460
461 if (desc == NULL)
462 desc = "certificate";
463 if (IS_HTTPS(uri)) {
464 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
465 } else if (IS_HTTP(uri)) {
466 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
467 if (cert == NULL) {
468 ERR_print_errors(bio_err);
469 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
470 }
471 } else {
472 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
473 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
474 }
475 return cert;
476 }
477
478 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
479 const char *desc)
480 {
481 X509_CRL *crl = NULL;
482
483 if (desc == NULL)
484 desc = "CRL";
485 if (IS_HTTPS(uri)) {
486 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
487 } else if (IS_HTTP(uri)) {
488 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
489 if (crl == NULL) {
490 ERR_print_errors(bio_err);
491 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
492 }
493 } else {
494 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc, 0,
495 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
496 }
497 return crl;
498 }
499
500 /* Could be simplified if OSSL_STORE supported CSRs, see FR #15725 */
501 X509_REQ *load_csr(const char *file, int format, const char *desc)
502 {
503 X509_REQ *req = NULL;
504 BIO *in;
505
506 if (format == FORMAT_UNDEF)
507 format = FORMAT_PEM;
508 in = bio_open_default(file, 'r', format);
509 if (in == NULL)
510 goto end;
511
512 if (format == FORMAT_ASN1)
513 req = d2i_X509_REQ_bio(in, NULL);
514 else if (format == FORMAT_PEM)
515 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
516 else
517 print_format_error(format, OPT_FMT_PEMDER);
518
519 end:
520 if (req == NULL) {
521 ERR_print_errors(bio_err);
522 if (desc != NULL)
523 BIO_printf(bio_err, "Unable to load %s\n", desc);
524 }
525 BIO_free(in);
526 return req;
527 }
528
529 /* Better extend OSSL_STORE to support CSRs, see FR #15725 */
530 X509_REQ *load_csr_autofmt(const char *infile, int format,
531 STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc)
532 {
533 X509_REQ *csr;
534
535 if (format != FORMAT_UNDEF) {
536 csr = load_csr(infile, format, desc);
537 } else { /* try PEM, then DER */
538 BIO *bio_bak = bio_err;
539
540 bio_err = NULL; /* do not show errors on more than one try */
541 csr = load_csr(infile, FORMAT_PEM, NULL /* desc */);
542 bio_err = bio_bak;
543 if (csr == NULL) {
544 ERR_clear_error();
545 csr = load_csr(infile, FORMAT_ASN1, NULL /* desc */);
546 }
547 if (csr == NULL) {
548 BIO_printf(bio_err, "error: unable to load %s from file '%s'\n",
549 desc, infile);
550 }
551 }
552 if (csr != NULL) {
553 EVP_PKEY *pkey = X509_REQ_get0_pubkey(csr);
554 int ret = do_X509_REQ_verify(csr, pkey, vfyopts);
555
556 if (pkey == NULL || ret < 0)
557 BIO_puts(bio_err, "Warning: error while verifying CSR self-signature\n");
558 else if (ret == 0)
559 BIO_puts(bio_err, "Warning: CSR self-signature does not match the contents\n");
560 return csr;
561 }
562 return csr;
563 }
564
565 void cleanse(char *str)
566 {
567 if (str != NULL)
568 OPENSSL_cleanse(str, strlen(str));
569 }
570
571 void clear_free(char *str)
572 {
573 if (str != NULL)
574 OPENSSL_clear_free(str, strlen(str));
575 }
576
577 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
578 const char *pass, ENGINE *e, const char *desc)
579 {
580 EVP_PKEY *pkey = NULL;
581 char *allocated_uri = NULL;
582
583 if (desc == NULL)
584 desc = "private key";
585
586 if (format == FORMAT_ENGINE)
587 uri = allocated_uri = make_engine_uri(e, uri, desc);
588 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc, 0,
589 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
590
591 OPENSSL_free(allocated_uri);
592 return pkey;
593 }
594
595 /* first try reading public key, on failure resort to loading private key */
596 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
597 const char *pass, ENGINE *e, const char *desc)
598 {
599 EVP_PKEY *pkey = NULL;
600 char *allocated_uri = NULL;
601
602 if (desc == NULL)
603 desc = "public key";
604
605 if (format == FORMAT_ENGINE)
606 uri = allocated_uri = make_engine_uri(e, uri, desc);
607 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 1,
608 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
609 if (pkey == NULL)
610 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc, 0,
611 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
612 OPENSSL_free(allocated_uri);
613 return pkey;
614 }
615
616 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
617 const char *keytype, const char *desc,
618 int suppress_decode_errors)
619 {
620 EVP_PKEY *params = NULL;
621
622 if (desc == NULL)
623 desc = "key parameters";
624 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
625 suppress_decode_errors,
626 NULL, NULL, &params, NULL, NULL, NULL, NULL);
627 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
628 ERR_print_errors(bio_err);
629 BIO_printf(bio_err,
630 "Unable to load %s from %s (unexpected parameters type)\n",
631 desc, uri);
632 EVP_PKEY_free(params);
633 params = NULL;
634 }
635 return params;
636 }
637
638 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
639 const char *keytype, const char *desc)
640 {
641 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
642 }
643
644 void app_bail_out(char *fmt, ...)
645 {
646 va_list args;
647
648 va_start(args, fmt);
649 BIO_vprintf(bio_err, fmt, args);
650 va_end(args);
651 ERR_print_errors(bio_err);
652 exit(EXIT_FAILURE);
653 }
654
655 void *app_malloc(size_t sz, const char *what)
656 {
657 void *vp = OPENSSL_malloc(sz);
658
659 if (vp == NULL)
660 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
661 opt_getprog(), sz, what);
662 return vp;
663 }
664
665 char *next_item(char *opt) /* in list separated by comma and/or space */
666 {
667 /* advance to separator (comma or whitespace), if any */
668 while (*opt != ',' && !isspace(*opt) && *opt != '\0')
669 opt++;
670 if (*opt != '\0') {
671 /* terminate current item */
672 *opt++ = '\0';
673 /* skip over any whitespace after separator */
674 while (isspace(*opt))
675 opt++;
676 }
677 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
678 }
679
680 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
681 {
682 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
683
684 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
685 uri, subj, msg);
686 OPENSSL_free(subj);
687 }
688
689 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
690 X509_VERIFY_PARAM *vpm)
691 {
692 uint32_t ex_flags = X509_get_extension_flags(cert);
693 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
694 X509_get0_notAfter(cert));
695
696 if (res != 0)
697 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
698 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
699 warn_cert_msg(uri, cert, "is not a CA cert");
700 }
701
702 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
703 X509_VERIFY_PARAM *vpm)
704 {
705 int i;
706
707 for (i = 0; i < sk_X509_num(certs); i++)
708 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
709 }
710
711 int load_cert_certs(const char *uri,
712 X509 **pcert, STACK_OF(X509) **pcerts,
713 int exclude_http, const char *pass, const char *desc,
714 X509_VERIFY_PARAM *vpm)
715 {
716 int ret = 0;
717 char *pass_string;
718
719 if (desc == NULL)
720 desc = pcerts == NULL ? "certificate" : "certificates";
721 if (exclude_http && (HAS_CASE_PREFIX(uri, "http://")
722 || HAS_CASE_PREFIX(uri, "https://"))) {
723 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
724 return ret;
725 }
726 pass_string = get_passwd(pass, desc);
727 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc, 0,
728 NULL, NULL, NULL, pcert, pcerts, NULL, NULL);
729 clear_free(pass_string);
730
731 if (ret) {
732 if (pcert != NULL)
733 warn_cert(uri, *pcert, 0, vpm);
734 if (pcerts != NULL)
735 warn_certs(uri, *pcerts, 1, vpm);
736 } else {
737 if (pcerts != NULL) {
738 OSSL_STACK_OF_X509_free(*pcerts);
739 *pcerts = NULL;
740 }
741 }
742 return ret;
743 }
744
745 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
746 const char *desc, X509_VERIFY_PARAM *vpm)
747 {
748 STACK_OF(X509) *certs = NULL;
749 STACK_OF(X509) *result = sk_X509_new_null();
750
751 if (files == NULL)
752 goto err;
753 if (result == NULL)
754 goto oom;
755
756 while (files != NULL) {
757 char *next = next_item(files);
758
759 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
760 goto err;
761 if (!X509_add_certs(result, certs,
762 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
763 goto oom;
764 OSSL_STACK_OF_X509_free(certs);
765 certs = NULL;
766 files = next;
767 }
768 return result;
769
770 oom:
771 BIO_printf(bio_err, "out of memory\n");
772 err:
773 OSSL_STACK_OF_X509_free(certs);
774 OSSL_STACK_OF_X509_free(result);
775 return NULL;
776 }
777
778 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
779 const STACK_OF(X509) *certs /* may NULL */)
780 {
781 int i;
782
783 if (store == NULL)
784 store = X509_STORE_new();
785 if (store == NULL)
786 return NULL;
787 for (i = 0; i < sk_X509_num(certs); i++) {
788 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
789 X509_STORE_free(store);
790 return NULL;
791 }
792 }
793 return store;
794 }
795
796 /*
797 * Create cert store structure with certificates read from given file(s).
798 * Returns pointer to created X509_STORE on success, NULL on error.
799 */
800 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
801 X509_VERIFY_PARAM *vpm)
802 {
803 X509_STORE *store = NULL;
804 STACK_OF(X509) *certs = NULL;
805
806 while (input != NULL) {
807 char *next = next_item(input);
808 int ok;
809
810 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
811 X509_STORE_free(store);
812 return NULL;
813 }
814 ok = (store = sk_X509_to_store(store, certs)) != NULL;
815 OSSL_STACK_OF_X509_free(certs);
816 certs = NULL;
817 if (!ok)
818 return NULL;
819 input = next;
820 }
821 return store;
822 }
823
824 /*
825 * Initialize or extend, if *certs != NULL, a certificate stack.
826 * The caller is responsible for freeing *certs if its value is left not NULL.
827 */
828 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
829 const char *pass, const char *desc)
830 {
831 int ret, was_NULL = *certs == NULL;
832
833 if (desc == NULL)
834 desc = "certificates";
835 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc, 0,
836 NULL, NULL, NULL, NULL, certs, NULL, NULL);
837
838 if (!ret && was_NULL) {
839 OSSL_STACK_OF_X509_free(*certs);
840 *certs = NULL;
841 }
842 return ret;
843 }
844
845 /*
846 * Initialize or extend, if *crls != NULL, a certificate stack.
847 * The caller is responsible for freeing *crls if its value is left not NULL.
848 */
849 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
850 const char *pass, const char *desc)
851 {
852 int ret, was_NULL = *crls == NULL;
853
854 if (desc == NULL)
855 desc = "CRLs";
856 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc, 0,
857 NULL, NULL, NULL, NULL, NULL, NULL, crls);
858
859 if (!ret && was_NULL) {
860 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
861 *crls = NULL;
862 }
863 return ret;
864 }
865
866 static const char *format2string(int format)
867 {
868 switch (format) {
869 case FORMAT_PEM:
870 return "PEM";
871 case FORMAT_ASN1:
872 return "DER";
873 }
874 return NULL;
875 }
876
877 /* Set type expectation, but clear it if objects of different types expected. */
878 #define SET_EXPECT(val) \
879 (expect = expect < 0 ? (val) : (expect == (val) ? (val) : 0))
880 #define SET_EXPECT1(pvar, val) \
881 if ((pvar) != NULL) { \
882 *(pvar) = NULL; \
883 SET_EXPECT(val); \
884 }
885 #define FAIL_NAME \
886 (ppkey != NULL ? "key etc." : ppubkey != NULL ? "public key etc." : \
887 pparams != NULL ? "params etc." : \
888 pcert != NULL ? "cert etc." : pcerts != NULL ? "certs etc." : \
889 pcrl != NULL ? "CRL etc." : pcrls != NULL ? "CRLs etc." : NULL)
890 /*
891 * Load those types of credentials for which the result pointer is not NULL.
892 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
893 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
894 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
895 * If pcerts is non-NULL then all available certificates are appended to *pcerts
896 * except any certificate assigned to *pcert.
897 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
898 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
899 * except any CRL assigned to *pcrl.
900 * In any case (also on error) the caller is responsible for freeing all members
901 * of *pcerts and *pcrls (as far as they are not NULL).
902 */
903 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
904 const char *pass, const char *desc, int quiet,
905 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
906 EVP_PKEY **pparams,
907 X509 **pcert, STACK_OF(X509) **pcerts,
908 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
909 {
910 PW_CB_DATA uidata;
911 OSSL_STORE_CTX *ctx = NULL;
912 OSSL_LIB_CTX *libctx = app_get0_libctx();
913 const char *propq = app_get0_propq();
914 int ncerts = 0, ncrls = 0, expect = -1;
915 const char *failed = FAIL_NAME;
916 const char *input_type;
917 OSSL_PARAM itp[2];
918 const OSSL_PARAM *params = NULL;
919
920 if (failed == NULL) {
921 if (!quiet)
922 BIO_printf(bio_err, "Internal error: nothing to load from %s\n",
923 uri != NULL ? uri : "<stdin>");
924 return 0;
925 }
926 ERR_set_mark();
927
928 SET_EXPECT1(ppkey, OSSL_STORE_INFO_PKEY);
929 SET_EXPECT1(ppubkey, OSSL_STORE_INFO_PUBKEY);
930 SET_EXPECT1(pparams, OSSL_STORE_INFO_PARAMS);
931 SET_EXPECT1(pcert, OSSL_STORE_INFO_CERT);
932 if (pcerts != NULL) {
933 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
934 if (!quiet)
935 BIO_printf(bio_err, "Out of memory loading");
936 goto end;
937 }
938 SET_EXPECT(OSSL_STORE_INFO_CERT);
939 }
940 SET_EXPECT1(pcrl, OSSL_STORE_INFO_CRL);
941 if (pcrls != NULL) {
942 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
943 if (!quiet)
944 BIO_printf(bio_err, "Out of memory loading");
945 goto end;
946 }
947 SET_EXPECT(OSSL_STORE_INFO_CRL);
948 }
949
950 uidata.password = pass;
951 uidata.prompt_info = uri;
952
953 if ((input_type = format2string(format)) != NULL) {
954 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
955 (char *)input_type, 0);
956 itp[1] = OSSL_PARAM_construct_end();
957 params = itp;
958 }
959
960 if (uri == NULL) {
961 BIO *bio;
962
963 if (!maybe_stdin) {
964 if (!quiet)
965 BIO_printf(bio_err, "No filename or uri specified for loading");
966 goto end;
967 }
968 uri = "<stdin>";
969 unbuffer(stdin);
970 bio = BIO_new_fp(stdin, 0);
971 if (bio != NULL) {
972 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
973 get_ui_method(), &uidata, params,
974 NULL, NULL);
975 BIO_free(bio);
976 }
977 } else {
978 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
979 params, NULL, NULL);
980 }
981 if (ctx == NULL) {
982 if (!quiet)
983 BIO_printf(bio_err, "Could not open file or uri for loading");
984 goto end;
985 }
986 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
987 goto end;
988
989 failed = NULL;
990 while ((ppkey != NULL || ppubkey != NULL || pparams != NULL
991 || pcert != NULL || pcerts != NULL || pcrl != NULL || pcrls != NULL)
992 && !OSSL_STORE_eof(ctx)) {
993 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
994 int type, ok = 1;
995
996 /*
997 * This can happen (for example) if we attempt to load a file with
998 * multiple different types of things in it - but the thing we just
999 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
1000 * to load a certificate but the file has both the private key and the
1001 * certificate in it. We just retry until eof.
1002 */
1003 if (info == NULL) {
1004 continue;
1005 }
1006
1007 type = OSSL_STORE_INFO_get_type(info);
1008 switch (type) {
1009 case OSSL_STORE_INFO_PKEY:
1010 if (ppkey != NULL) {
1011 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
1012 if (ok)
1013 ppkey = NULL;
1014 break;
1015 }
1016 /*
1017 * An EVP_PKEY with private parts also holds the public parts,
1018 * so if the caller asked for a public key, and we got a private
1019 * key, we can still pass it back.
1020 */
1021 /* fall through */
1022 case OSSL_STORE_INFO_PUBKEY:
1023 if (ppubkey != NULL) {
1024 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL;
1025 if (ok)
1026 ppubkey = NULL;
1027 }
1028 break;
1029 case OSSL_STORE_INFO_PARAMS:
1030 if (pparams != NULL) {
1031 ok = (*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL;
1032 if (ok)
1033 pparams = NULL;
1034 }
1035 break;
1036 case OSSL_STORE_INFO_CERT:
1037 if (pcert != NULL) {
1038 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1039 if (ok)
1040 pcert = NULL;
1041 } else if (pcerts != NULL) {
1042 ok = X509_add_cert(*pcerts,
1043 OSSL_STORE_INFO_get1_CERT(info),
1044 X509_ADD_FLAG_DEFAULT);
1045 }
1046 ncerts += ok;
1047 break;
1048 case OSSL_STORE_INFO_CRL:
1049 if (pcrl != NULL) {
1050 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1051 if (ok)
1052 pcrl = NULL;
1053 } else if (pcrls != NULL) {
1054 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1055 }
1056 ncrls += ok;
1057 break;
1058 default:
1059 /* skip any other type */
1060 break;
1061 }
1062 OSSL_STORE_INFO_free(info);
1063 if (!ok) {
1064 failed = OSSL_STORE_INFO_type_string(type);
1065 if (!quiet)
1066 BIO_printf(bio_err, "Error reading");
1067 break;
1068 }
1069 }
1070
1071 end:
1072 OSSL_STORE_close(ctx);
1073 if (ncerts > 0)
1074 pcerts = NULL;
1075 if (ncrls > 0)
1076 pcrls = NULL;
1077 if (failed == NULL) {
1078 failed = FAIL_NAME;
1079 if (failed != NULL && !quiet)
1080 BIO_printf(bio_err, "Could not find");
1081 } else if (!quiet) {
1082 BIO_printf(bio_err, "Could not read");
1083 }
1084 if (failed != NULL && !quiet) {
1085 unsigned long err = ERR_peek_last_error();
1086
1087 if (desc != NULL && strstr(desc, failed) != NULL) {
1088 BIO_printf(bio_err, " %s", desc);
1089 } else {
1090 BIO_printf(bio_err, " %s", failed);
1091 if (desc != NULL)
1092 BIO_printf(bio_err, " of %s", desc);
1093 }
1094 if (uri != NULL)
1095 BIO_printf(bio_err, " from %s", uri);
1096 if (ERR_SYSTEM_ERROR(err)) {
1097 /* provide more readable diagnostic output */
1098 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1099 ERR_pop_to_mark();
1100 ERR_set_mark();
1101 }
1102 BIO_printf(bio_err, "\n");
1103 ERR_print_errors(bio_err);
1104 }
1105 if (quiet || failed == NULL)
1106 /* clear any suppressed or spurious errors */
1107 ERR_pop_to_mark();
1108 else
1109 ERR_clear_last_mark();
1110 return failed == NULL;
1111 }
1112
1113 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1114 #define X509V3_EXT_DEFAULT 0 /* Return error for unknown exts */
1115 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16) /* Print error for unknown exts */
1116 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16) /* ASN1 parse unknown extensions */
1117 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16) /* BIO_dump unknown extensions */
1118
1119 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1120 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1121
1122 int set_cert_ex(unsigned long *flags, const char *arg)
1123 {
1124 static const NAME_EX_TBL cert_tbl[] = {
1125 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1126 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1127 {"no_header", X509_FLAG_NO_HEADER, 0},
1128 {"no_version", X509_FLAG_NO_VERSION, 0},
1129 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1130 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1131 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1132 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1133 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1134 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1135 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1136 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1137 {"no_aux", X509_FLAG_NO_AUX, 0},
1138 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1139 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1140 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1141 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1142 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1143 {NULL, 0, 0}
1144 };
1145 return set_multi_opts(flags, arg, cert_tbl);
1146 }
1147
1148 int set_name_ex(unsigned long *flags, const char *arg)
1149 {
1150 static const NAME_EX_TBL ex_tbl[] = {
1151 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1152 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1153 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1154 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1155 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1156 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1157 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1158 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1159 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1160 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1161 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1162 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1163 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1164 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1165 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1166 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1167 {"dn_rev", XN_FLAG_DN_REV, 0},
1168 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1169 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1170 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1171 {"align", XN_FLAG_FN_ALIGN, 0},
1172 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1173 {"space_eq", XN_FLAG_SPC_EQ, 0},
1174 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1175 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1176 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1177 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1178 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1179 {NULL, 0, 0}
1180 };
1181 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1182 return 0;
1183 if (*flags != XN_FLAG_COMPAT
1184 && (*flags & XN_FLAG_SEP_MASK) == 0)
1185 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1186 return 1;
1187 }
1188
1189 int set_dateopt(unsigned long *dateopt, const char *arg)
1190 {
1191 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1192 *dateopt = ASN1_DTFLGS_RFC822;
1193 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1194 *dateopt = ASN1_DTFLGS_ISO8601;
1195 else
1196 return 0;
1197 return 1;
1198 }
1199
1200 int set_ext_copy(int *copy_type, const char *arg)
1201 {
1202 if (OPENSSL_strcasecmp(arg, "none") == 0)
1203 *copy_type = EXT_COPY_NONE;
1204 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1205 *copy_type = EXT_COPY_ADD;
1206 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1207 *copy_type = EXT_COPY_ALL;
1208 else
1209 return 0;
1210 return 1;
1211 }
1212
1213 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1214 {
1215 STACK_OF(X509_EXTENSION) *exts;
1216 int i, ret = 0;
1217
1218 if (x == NULL || req == NULL)
1219 return 0;
1220 if (copy_type == EXT_COPY_NONE)
1221 return 1;
1222 exts = X509_REQ_get_extensions(req);
1223
1224 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1225 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1226 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1227 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1228
1229 /* Does extension exist in target? */
1230 if (idx != -1) {
1231 /* If normal copy don't override existing extension */
1232 if (copy_type == EXT_COPY_ADD)
1233 continue;
1234 /* Delete all extensions of same type */
1235 do {
1236 X509_EXTENSION_free(X509_delete_ext(x, idx));
1237 idx = X509_get_ext_by_OBJ(x, obj, -1);
1238 } while (idx != -1);
1239 }
1240 if (!X509_add_ext(x, ext, -1))
1241 goto end;
1242 }
1243 ret = 1;
1244
1245 end:
1246 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1247 return ret;
1248 }
1249
1250 static int set_multi_opts(unsigned long *flags, const char *arg,
1251 const NAME_EX_TBL * in_tbl)
1252 {
1253 STACK_OF(CONF_VALUE) *vals;
1254 CONF_VALUE *val;
1255 int i, ret = 1;
1256
1257 if (!arg)
1258 return 0;
1259 vals = X509V3_parse_list(arg);
1260 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1261 val = sk_CONF_VALUE_value(vals, i);
1262 if (!set_table_opts(flags, val->name, in_tbl))
1263 ret = 0;
1264 }
1265 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1266 return ret;
1267 }
1268
1269 static int set_table_opts(unsigned long *flags, const char *arg,
1270 const NAME_EX_TBL * in_tbl)
1271 {
1272 char c;
1273 const NAME_EX_TBL *ptbl;
1274
1275 c = arg[0];
1276 if (c == '-') {
1277 c = 0;
1278 arg++;
1279 } else if (c == '+') {
1280 c = 1;
1281 arg++;
1282 } else {
1283 c = 1;
1284 }
1285
1286 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1287 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1288 *flags &= ~ptbl->mask;
1289 if (c)
1290 *flags |= ptbl->flag;
1291 else
1292 *flags &= ~ptbl->flag;
1293 return 1;
1294 }
1295 }
1296 return 0;
1297 }
1298
1299 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1300 {
1301 char *buf;
1302 char mline = 0;
1303 int indent = 0;
1304 unsigned long lflags = get_nameopt();
1305
1306 if (out == NULL)
1307 return;
1308 if (title != NULL)
1309 BIO_puts(out, title);
1310 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1311 mline = 1;
1312 indent = 4;
1313 }
1314 if (lflags == XN_FLAG_COMPAT) {
1315 buf = X509_NAME_oneline(nm, 0, 0);
1316 BIO_puts(out, buf);
1317 BIO_puts(out, "\n");
1318 OPENSSL_free(buf);
1319 } else {
1320 if (mline)
1321 BIO_puts(out, "\n");
1322 X509_NAME_print_ex(out, nm, indent, lflags);
1323 BIO_puts(out, "\n");
1324 }
1325 }
1326
1327 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1328 int len, unsigned char *buffer)
1329 {
1330 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1331 if (BN_is_zero(in)) {
1332 BIO_printf(out, "\n 0x00");
1333 } else {
1334 int i, l;
1335
1336 l = BN_bn2bin(in, buffer);
1337 for (i = 0; i < l; i++) {
1338 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1339 if (i < l - 1)
1340 BIO_printf(out, "0x%02X,", buffer[i]);
1341 else
1342 BIO_printf(out, "0x%02X", buffer[i]);
1343 }
1344 }
1345 BIO_printf(out, "\n };\n");
1346 }
1347
1348 void print_array(BIO *out, const char *title, int len, const unsigned char *d)
1349 {
1350 int i;
1351
1352 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1353 for (i = 0; i < len; i++) {
1354 if ((i % 10) == 0)
1355 BIO_printf(out, "\n ");
1356 if (i < len - 1)
1357 BIO_printf(out, "0x%02X, ", d[i]);
1358 else
1359 BIO_printf(out, "0x%02X", d[i]);
1360 }
1361 BIO_printf(out, "\n};\n");
1362 }
1363
1364 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1365 const char *CApath, int noCApath,
1366 const char *CAstore, int noCAstore)
1367 {
1368 X509_STORE *store = X509_STORE_new();
1369 X509_LOOKUP *lookup;
1370 OSSL_LIB_CTX *libctx = app_get0_libctx();
1371 const char *propq = app_get0_propq();
1372
1373 if (store == NULL)
1374 goto end;
1375
1376 if (CAfile != NULL || !noCAfile) {
1377 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1378 if (lookup == NULL)
1379 goto end;
1380 if (CAfile != NULL) {
1381 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1382 libctx, propq) <= 0) {
1383 ERR_clear_error();
1384 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_ASN1,
1385 libctx, propq) <= 0) {
1386 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1387 goto end;
1388 }
1389 }
1390 } else {
1391 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1392 libctx, propq);
1393 }
1394 }
1395
1396 if (CApath != NULL || !noCApath) {
1397 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1398 if (lookup == NULL)
1399 goto end;
1400 if (CApath != NULL) {
1401 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1402 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1403 goto end;
1404 }
1405 } else {
1406 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1407 }
1408 }
1409
1410 if (CAstore != NULL || !noCAstore) {
1411 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1412 if (lookup == NULL)
1413 goto end;
1414 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1415 if (CAstore != NULL)
1416 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1417 goto end;
1418 }
1419 }
1420
1421 ERR_clear_error();
1422 return store;
1423 end:
1424 ERR_print_errors(bio_err);
1425 X509_STORE_free(store);
1426 return NULL;
1427 }
1428
1429 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1430 {
1431 const char *n;
1432
1433 n = a[DB_serial];
1434 while (*n == '0')
1435 n++;
1436 return OPENSSL_LH_strhash(n);
1437 }
1438
1439 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1440 const OPENSSL_CSTRING *b)
1441 {
1442 const char *aa, *bb;
1443
1444 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1445 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1446 return strcmp(aa, bb);
1447 }
1448
1449 static int index_name_qual(char **a)
1450 {
1451 return (a[0][0] == 'V');
1452 }
1453
1454 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1455 {
1456 return OPENSSL_LH_strhash(a[DB_name]);
1457 }
1458
1459 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1460 {
1461 return strcmp(a[DB_name], b[DB_name]);
1462 }
1463
1464 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1465 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1466 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1467 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1468 #undef BSIZE
1469 #define BSIZE 256
1470 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1471 ASN1_INTEGER **retai)
1472 {
1473 BIO *in = NULL;
1474 BIGNUM *ret = NULL;
1475 char buf[1024];
1476 ASN1_INTEGER *ai = NULL;
1477
1478 ai = ASN1_INTEGER_new();
1479 if (ai == NULL)
1480 goto err;
1481
1482 in = BIO_new_file(serialfile, "r");
1483 if (exists != NULL)
1484 *exists = in != NULL;
1485 if (in == NULL) {
1486 if (!create) {
1487 perror(serialfile);
1488 goto err;
1489 }
1490 ERR_clear_error();
1491 ret = BN_new();
1492 if (ret == NULL) {
1493 BIO_printf(bio_err, "Out of memory\n");
1494 } else if (!rand_serial(ret, ai)) {
1495 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1496 serialfile);
1497 BN_free(ret);
1498 ret = NULL;
1499 }
1500 } else {
1501 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1502 BIO_printf(bio_err, "Unable to load number from %s\n",
1503 serialfile);
1504 goto err;
1505 }
1506 ret = ASN1_INTEGER_to_BN(ai, NULL);
1507 if (ret == NULL) {
1508 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1509 goto err;
1510 }
1511 }
1512
1513 if (ret != NULL && retai != NULL) {
1514 *retai = ai;
1515 ai = NULL;
1516 }
1517 err:
1518 if (ret == NULL)
1519 ERR_print_errors(bio_err);
1520 BIO_free(in);
1521 ASN1_INTEGER_free(ai);
1522 return ret;
1523 }
1524
1525 int save_serial(const char *serialfile, const char *suffix,
1526 const BIGNUM *serial, ASN1_INTEGER **retai)
1527 {
1528 char buf[1][BSIZE];
1529 BIO *out = NULL;
1530 int ret = 0;
1531 ASN1_INTEGER *ai = NULL;
1532 int j;
1533
1534 if (suffix == NULL)
1535 j = strlen(serialfile);
1536 else
1537 j = strlen(serialfile) + strlen(suffix) + 1;
1538 if (j >= BSIZE) {
1539 BIO_printf(bio_err, "File name too long\n");
1540 goto err;
1541 }
1542
1543 if (suffix == NULL) {
1544 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1545 } else {
1546 #ifndef OPENSSL_SYS_VMS
1547 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1548 #else
1549 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1550 #endif
1551 }
1552 out = BIO_new_file(buf[0], "w");
1553 if (out == NULL) {
1554 goto err;
1555 }
1556
1557 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1558 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1559 goto err;
1560 }
1561 i2a_ASN1_INTEGER(out, ai);
1562 BIO_puts(out, "\n");
1563 ret = 1;
1564 if (retai) {
1565 *retai = ai;
1566 ai = NULL;
1567 }
1568 err:
1569 if (!ret)
1570 ERR_print_errors(bio_err);
1571 BIO_free_all(out);
1572 ASN1_INTEGER_free(ai);
1573 return ret;
1574 }
1575
1576 int rotate_serial(const char *serialfile, const char *new_suffix,
1577 const char *old_suffix)
1578 {
1579 char buf[2][BSIZE];
1580 int i, j;
1581
1582 i = strlen(serialfile) + strlen(old_suffix);
1583 j = strlen(serialfile) + strlen(new_suffix);
1584 if (i > j)
1585 j = i;
1586 if (j + 1 >= BSIZE) {
1587 BIO_printf(bio_err, "File name too long\n");
1588 goto err;
1589 }
1590 #ifndef OPENSSL_SYS_VMS
1591 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1592 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1593 #else
1594 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1595 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1596 #endif
1597 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1598 #ifdef ENOTDIR
1599 && errno != ENOTDIR
1600 #endif
1601 ) {
1602 BIO_printf(bio_err,
1603 "Unable to rename %s to %s\n", serialfile, buf[1]);
1604 perror("reason");
1605 goto err;
1606 }
1607 if (rename(buf[0], serialfile) < 0) {
1608 BIO_printf(bio_err,
1609 "Unable to rename %s to %s\n", buf[0], serialfile);
1610 perror("reason");
1611 rename(buf[1], serialfile);
1612 goto err;
1613 }
1614 return 1;
1615 err:
1616 ERR_print_errors(bio_err);
1617 return 0;
1618 }
1619
1620 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1621 {
1622 BIGNUM *btmp;
1623 int ret = 0;
1624
1625 btmp = b == NULL ? BN_new() : b;
1626 if (btmp == NULL)
1627 return 0;
1628
1629 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1630 goto error;
1631 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1632 goto error;
1633
1634 ret = 1;
1635
1636 error:
1637
1638 if (btmp != b)
1639 BN_free(btmp);
1640
1641 return ret;
1642 }
1643
1644 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1645 {
1646 CA_DB *retdb = NULL;
1647 TXT_DB *tmpdb = NULL;
1648 BIO *in;
1649 CONF *dbattr_conf = NULL;
1650 char buf[BSIZE];
1651 #ifndef OPENSSL_NO_POSIX_IO
1652 FILE *dbfp;
1653 struct stat dbst;
1654 #endif
1655
1656 in = BIO_new_file(dbfile, "r");
1657 if (in == NULL)
1658 goto err;
1659
1660 #ifndef OPENSSL_NO_POSIX_IO
1661 BIO_get_fp(in, &dbfp);
1662 if (fstat(fileno(dbfp), &dbst) == -1) {
1663 ERR_raise_data(ERR_LIB_SYS, errno,
1664 "calling fstat(%s)", dbfile);
1665 goto err;
1666 }
1667 #endif
1668
1669 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1670 goto err;
1671
1672 #ifndef OPENSSL_SYS_VMS
1673 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1674 #else
1675 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1676 #endif
1677 dbattr_conf = app_load_config_quiet(buf);
1678
1679 retdb = app_malloc(sizeof(*retdb), "new DB");
1680 retdb->db = tmpdb;
1681 tmpdb = NULL;
1682 if (db_attr)
1683 retdb->attributes = *db_attr;
1684 else
1685 retdb->attributes.unique_subject = 1;
1686
1687 if (dbattr_conf) {
1688 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1689
1690 if (p) {
1691 retdb->attributes.unique_subject = parse_yesno(p, 1);
1692 }
1693 }
1694
1695 retdb->dbfname = OPENSSL_strdup(dbfile);
1696 #ifndef OPENSSL_NO_POSIX_IO
1697 retdb->dbst = dbst;
1698 #endif
1699
1700 err:
1701 ERR_print_errors(bio_err);
1702 NCONF_free(dbattr_conf);
1703 TXT_DB_free(tmpdb);
1704 BIO_free_all(in);
1705 return retdb;
1706 }
1707
1708 /*
1709 * Returns > 0 on success, <= 0 on error
1710 */
1711 int index_index(CA_DB *db)
1712 {
1713 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1714 LHASH_HASH_FN(index_serial),
1715 LHASH_COMP_FN(index_serial))) {
1716 BIO_printf(bio_err,
1717 "Error creating serial number index:(%ld,%ld,%ld)\n",
1718 db->db->error, db->db->arg1, db->db->arg2);
1719 goto err;
1720 }
1721
1722 if (db->attributes.unique_subject
1723 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1724 LHASH_HASH_FN(index_name),
1725 LHASH_COMP_FN(index_name))) {
1726 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1727 db->db->error, db->db->arg1, db->db->arg2);
1728 goto err;
1729 }
1730 return 1;
1731 err:
1732 ERR_print_errors(bio_err);
1733 return 0;
1734 }
1735
1736 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1737 {
1738 char buf[3][BSIZE];
1739 BIO *out;
1740 int j;
1741
1742 j = strlen(dbfile) + strlen(suffix);
1743 if (j + 6 >= BSIZE) {
1744 BIO_printf(bio_err, "File name too long\n");
1745 goto err;
1746 }
1747 #ifndef OPENSSL_SYS_VMS
1748 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1749 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1750 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1751 #else
1752 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1753 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1754 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1755 #endif
1756 out = BIO_new_file(buf[0], "w");
1757 if (out == NULL) {
1758 perror(dbfile);
1759 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1760 goto err;
1761 }
1762 j = TXT_DB_write(out, db->db);
1763 BIO_free(out);
1764 if (j <= 0)
1765 goto err;
1766
1767 out = BIO_new_file(buf[1], "w");
1768 if (out == NULL) {
1769 perror(buf[2]);
1770 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1771 goto err;
1772 }
1773 BIO_printf(out, "unique_subject = %s\n",
1774 db->attributes.unique_subject ? "yes" : "no");
1775 BIO_free(out);
1776
1777 return 1;
1778 err:
1779 ERR_print_errors(bio_err);
1780 return 0;
1781 }
1782
1783 int rotate_index(const char *dbfile, const char *new_suffix,
1784 const char *old_suffix)
1785 {
1786 char buf[5][BSIZE];
1787 int i, j;
1788
1789 i = strlen(dbfile) + strlen(old_suffix);
1790 j = strlen(dbfile) + strlen(new_suffix);
1791 if (i > j)
1792 j = i;
1793 if (j + 6 >= BSIZE) {
1794 BIO_printf(bio_err, "File name too long\n");
1795 goto err;
1796 }
1797 #ifndef OPENSSL_SYS_VMS
1798 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1799 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1800 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1801 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1802 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1803 #else
1804 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1805 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1806 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1807 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1808 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1809 #endif
1810 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1811 #ifdef ENOTDIR
1812 && errno != ENOTDIR
1813 #endif
1814 ) {
1815 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1816 perror("reason");
1817 goto err;
1818 }
1819 if (rename(buf[0], dbfile) < 0) {
1820 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1821 perror("reason");
1822 rename(buf[1], dbfile);
1823 goto err;
1824 }
1825 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1826 #ifdef ENOTDIR
1827 && errno != ENOTDIR
1828 #endif
1829 ) {
1830 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1831 perror("reason");
1832 rename(dbfile, buf[0]);
1833 rename(buf[1], dbfile);
1834 goto err;
1835 }
1836 if (rename(buf[2], buf[4]) < 0) {
1837 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1838 perror("reason");
1839 rename(buf[3], buf[4]);
1840 rename(dbfile, buf[0]);
1841 rename(buf[1], dbfile);
1842 goto err;
1843 }
1844 return 1;
1845 err:
1846 ERR_print_errors(bio_err);
1847 return 0;
1848 }
1849
1850 void free_index(CA_DB *db)
1851 {
1852 if (db) {
1853 TXT_DB_free(db->db);
1854 OPENSSL_free(db->dbfname);
1855 OPENSSL_free(db);
1856 }
1857 }
1858
1859 int parse_yesno(const char *str, int def)
1860 {
1861 if (str) {
1862 switch (*str) {
1863 case 'f': /* false */
1864 case 'F': /* FALSE */
1865 case 'n': /* no */
1866 case 'N': /* NO */
1867 case '0': /* 0 */
1868 return 0;
1869 case 't': /* true */
1870 case 'T': /* TRUE */
1871 case 'y': /* yes */
1872 case 'Y': /* YES */
1873 case '1': /* 1 */
1874 return 1;
1875 }
1876 }
1877 return def;
1878 }
1879
1880 /*
1881 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1882 * where + can be used instead of / to form multi-valued RDNs if canmulti
1883 * and characters may be escaped by \
1884 */
1885 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1886 const char *desc)
1887 {
1888 int nextismulti = 0;
1889 char *work;
1890 X509_NAME *n;
1891
1892 if (*cp++ != '/') {
1893 BIO_printf(bio_err,
1894 "%s: %s name is expected to be in the format "
1895 "/type0=value0/type1=value1/type2=... where characters may "
1896 "be escaped by \\. This name is not in that format: '%s'\n",
1897 opt_getprog(), desc, --cp);
1898 return NULL;
1899 }
1900
1901 n = X509_NAME_new();
1902 if (n == NULL) {
1903 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1904 return NULL;
1905 }
1906 work = OPENSSL_strdup(cp);
1907 if (work == NULL) {
1908 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1909 opt_getprog(), desc);
1910 goto err;
1911 }
1912
1913 while (*cp != '\0') {
1914 char *bp = work;
1915 char *typestr = bp;
1916 unsigned char *valstr;
1917 int nid;
1918 int ismulti = nextismulti;
1919
1920 nextismulti = 0;
1921
1922 /* Collect the type */
1923 while (*cp != '\0' && *cp != '=')
1924 *bp++ = *cp++;
1925 *bp++ = '\0';
1926 if (*cp == '\0') {
1927 BIO_printf(bio_err,
1928 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1929 opt_getprog(), typestr, desc);
1930 goto err;
1931 }
1932 ++cp;
1933
1934 /* Collect the value. */
1935 valstr = (unsigned char *)bp;
1936 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1937 /* unescaped '+' symbol string signals further member of multiRDN */
1938 if (canmulti && *cp == '+') {
1939 nextismulti = 1;
1940 break;
1941 }
1942 if (*cp == '\\' && *++cp == '\0') {
1943 BIO_printf(bio_err,
1944 "%s: Escape character at end of %s name string\n",
1945 opt_getprog(), desc);
1946 goto err;
1947 }
1948 }
1949 *bp++ = '\0';
1950
1951 /* If not at EOS (must be + or /), move forward. */
1952 if (*cp != '\0')
1953 ++cp;
1954
1955 /* Parse */
1956 nid = OBJ_txt2nid(typestr);
1957 if (nid == NID_undef) {
1958 BIO_printf(bio_err,
1959 "%s: Skipping unknown %s name attribute \"%s\"\n",
1960 opt_getprog(), desc, typestr);
1961 if (ismulti)
1962 BIO_printf(bio_err,
1963 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1964 continue;
1965 }
1966 if (*valstr == '\0') {
1967 BIO_printf(bio_err,
1968 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1969 opt_getprog(), desc, typestr);
1970 continue;
1971 }
1972 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1973 valstr, strlen((char *)valstr),
1974 -1, ismulti ? -1 : 0)) {
1975 ERR_print_errors(bio_err);
1976 BIO_printf(bio_err,
1977 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1978 opt_getprog(), desc, typestr, valstr);
1979 goto err;
1980 }
1981 }
1982
1983 OPENSSL_free(work);
1984 return n;
1985
1986 err:
1987 X509_NAME_free(n);
1988 OPENSSL_free(work);
1989 return NULL;
1990 }
1991
1992 /*
1993 * Read whole contents of a BIO into an allocated memory buffer and return
1994 * it.
1995 */
1996
1997 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1998 {
1999 BIO *mem;
2000 int len, ret;
2001 unsigned char tbuf[1024];
2002
2003 mem = BIO_new(BIO_s_mem());
2004 if (mem == NULL)
2005 return -1;
2006 for (;;) {
2007 if ((maxlen != -1) && maxlen < 1024)
2008 len = maxlen;
2009 else
2010 len = 1024;
2011 len = BIO_read(in, tbuf, len);
2012 if (len < 0) {
2013 BIO_free(mem);
2014 return -1;
2015 }
2016 if (len == 0)
2017 break;
2018 if (BIO_write(mem, tbuf, len) != len) {
2019 BIO_free(mem);
2020 return -1;
2021 }
2022 maxlen -= len;
2023
2024 if (maxlen == 0)
2025 break;
2026 }
2027 ret = BIO_get_mem_data(mem, (char **)out);
2028 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2029 BIO_free(mem);
2030 return ret;
2031 }
2032
2033 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2034 {
2035 int rv = 0;
2036 char *stmp, *vtmp = NULL;
2037
2038 stmp = OPENSSL_strdup(value);
2039 if (stmp == NULL)
2040 return -1;
2041 vtmp = strchr(stmp, ':');
2042 if (vtmp == NULL)
2043 goto err;
2044
2045 *vtmp = 0;
2046 vtmp++;
2047 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2048
2049 err:
2050 OPENSSL_free(stmp);
2051 return rv;
2052 }
2053
2054 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2055 {
2056 X509_POLICY_NODE *node;
2057 int i;
2058
2059 BIO_printf(bio_err, "%s Policies:", name);
2060 if (nodes) {
2061 BIO_puts(bio_err, "\n");
2062 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2063 node = sk_X509_POLICY_NODE_value(nodes, i);
2064 X509_POLICY_NODE_print(bio_err, node, 2);
2065 }
2066 } else {
2067 BIO_puts(bio_err, " <empty>\n");
2068 }
2069 }
2070
2071 void policies_print(X509_STORE_CTX *ctx)
2072 {
2073 X509_POLICY_TREE *tree;
2074 int explicit_policy;
2075
2076 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2077 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2078
2079 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2080 explicit_policy ? "True" : "False");
2081
2082 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2083 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2084 }
2085
2086 /*-
2087 * next_protos_parse parses a comma separated list of strings into a string
2088 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2089 * outlen: (output) set to the length of the resulting buffer on success.
2090 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2091 * in: a NUL terminated string like "abc,def,ghi"
2092 *
2093 * returns: a malloc'd buffer or NULL on failure.
2094 */
2095 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2096 {
2097 size_t len;
2098 unsigned char *out;
2099 size_t i, start = 0;
2100 size_t skipped = 0;
2101
2102 len = strlen(in);
2103 if (len == 0 || len >= 65535)
2104 return NULL;
2105
2106 out = app_malloc(len + 1, "NPN buffer");
2107 for (i = 0; i <= len; ++i) {
2108 if (i == len || in[i] == ',') {
2109 /*
2110 * Zero-length ALPN elements are invalid on the wire, we could be
2111 * strict and reject the entire string, but just ignoring extra
2112 * commas seems harmless and more friendly.
2113 *
2114 * Every comma we skip in this way puts the input buffer another
2115 * byte ahead of the output buffer, so all stores into the output
2116 * buffer need to be decremented by the number commas skipped.
2117 */
2118 if (i == start) {
2119 ++start;
2120 ++skipped;
2121 continue;
2122 }
2123 if (i - start > 255) {
2124 OPENSSL_free(out);
2125 return NULL;
2126 }
2127 out[start - skipped] = (unsigned char)(i - start);
2128 start = i + 1;
2129 } else {
2130 out[i + 1 - skipped] = in[i];
2131 }
2132 }
2133
2134 if (len <= skipped) {
2135 OPENSSL_free(out);
2136 return NULL;
2137 }
2138
2139 *outlen = len + 1 - skipped;
2140 return out;
2141 }
2142
2143 int check_cert_attributes(BIO *bio, X509 *x, const char *checkhost,
2144 const char *checkemail, const char *checkip,
2145 int print)
2146 {
2147 int valid_host = 0;
2148 int valid_mail = 0;
2149 int valid_ip = 0;
2150 int ret = 1;
2151
2152 if (x == NULL)
2153 return 0;
2154
2155 if (checkhost != NULL) {
2156 valid_host = X509_check_host(x, checkhost, 0, 0, NULL);
2157 if (print)
2158 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2159 checkhost, valid_host == 1 ? "" : " NOT");
2160 ret = ret && valid_host;
2161 }
2162
2163 if (checkemail != NULL) {
2164 valid_mail = X509_check_email(x, checkemail, 0, 0);
2165 if (print)
2166 BIO_printf(bio, "Email %s does%s match certificate\n",
2167 checkemail, valid_mail ? "" : " NOT");
2168 ret = ret && valid_mail;
2169 }
2170
2171 if (checkip != NULL) {
2172 valid_ip = X509_check_ip_asc(x, checkip, 0);
2173 if (print)
2174 BIO_printf(bio, "IP %s does%s match certificate\n",
2175 checkip, valid_ip ? "" : " NOT");
2176 ret = ret && valid_ip;
2177 }
2178
2179 return ret;
2180 }
2181
2182 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2183 {
2184 int i;
2185
2186 if (opts == NULL)
2187 return 1;
2188
2189 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2190 char *opt = sk_OPENSSL_STRING_value(opts, i);
2191
2192 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2193 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2194 ERR_print_errors(bio_err);
2195 return 0;
2196 }
2197 }
2198
2199 return 1;
2200 }
2201
2202 static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2203 {
2204 int i;
2205
2206 if (opts == NULL)
2207 return 1;
2208
2209 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2210 char *opt = sk_OPENSSL_STRING_value(opts, i);
2211
2212 if (x509_ctrl_string(x, opt) <= 0) {
2213 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2214 ERR_print_errors(bio_err);
2215 return 0;
2216 }
2217 }
2218
2219 return 1;
2220 }
2221
2222 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2223 {
2224 int i;
2225
2226 if (opts == NULL)
2227 return 1;
2228
2229 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2230 char *opt = sk_OPENSSL_STRING_value(opts, i);
2231
2232 if (x509_req_ctrl_string(x, opt) <= 0) {
2233 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2234 ERR_print_errors(bio_err);
2235 return 0;
2236 }
2237 }
2238
2239 return 1;
2240 }
2241
2242 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2243 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2244 {
2245 EVP_PKEY_CTX *pkctx = NULL;
2246 char def_md[80];
2247
2248 if (ctx == NULL)
2249 return 0;
2250 /*
2251 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2252 * for this algorithm.
2253 */
2254 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2255 && strcmp(def_md, "UNDEF") == 0) {
2256 /* The signing algorithm requires there to be no digest */
2257 md = NULL;
2258 }
2259
2260 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2261 app_get0_propq(), pkey, NULL)
2262 && do_pkey_ctx_init(pkctx, sigopts);
2263 }
2264
2265 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2266 const char *name, const char *value, int add_default)
2267 {
2268 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2269 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2270 int idx, rv = 0;
2271
2272 if (new_ext == NULL)
2273 return rv;
2274
2275 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2276 if (idx >= 0) {
2277 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2278 ASN1_OCTET_STRING *encoded = X509_EXTENSION_get_data(found_ext);
2279 int disabled = ASN1_STRING_length(encoded) <= 2; /* indicating "none" */
2280
2281 if (disabled) {
2282 X509_delete_ext(cert, idx);
2283 X509_EXTENSION_free(found_ext);
2284 } /* else keep existing key identifier, which might be outdated */
2285 rv = 1;
2286 } else {
2287 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2288 }
2289 X509_EXTENSION_free(new_ext);
2290 return rv;
2291 }
2292
2293 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey)
2294 {
2295 int match;
2296
2297 ERR_set_mark();
2298 match = X509_check_private_key(cert, pkey);
2299 ERR_pop_to_mark();
2300 return match;
2301 }
2302
2303 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2304 int do_X509_sign(X509 *cert, int force_v1, EVP_PKEY *pkey, const char *md,
2305 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2306 {
2307 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2308 int self_sign;
2309 int rv = 0;
2310
2311 if (!force_v1) {
2312 if (!X509_set_version(cert, X509_VERSION_3))
2313 goto end;
2314
2315 /*
2316 * Add default SKID before AKID such that AKID can make use of it
2317 * in case the certificate is self-signed
2318 */
2319 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2320 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2321 goto end;
2322 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2323 self_sign = cert_matches_key(cert, pkey);
2324 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2325 "keyid, issuer", !self_sign))
2326 goto end;
2327 }
2328
2329 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2330 rv = (X509_sign_ctx(cert, mctx) > 0);
2331 end:
2332 EVP_MD_CTX_free(mctx);
2333 return rv;
2334 }
2335
2336 /* Sign the certificate request info */
2337 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2338 STACK_OF(OPENSSL_STRING) *sigopts)
2339 {
2340 int rv = 0;
2341 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2342
2343 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2344 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2345 EVP_MD_CTX_free(mctx);
2346 return rv;
2347 }
2348
2349 /* Sign the CRL info */
2350 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2351 STACK_OF(OPENSSL_STRING) *sigopts)
2352 {
2353 int rv = 0;
2354 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2355
2356 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2357 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2358 EVP_MD_CTX_free(mctx);
2359 return rv;
2360 }
2361
2362 /*
2363 * do_X509_verify returns 1 if the signature is valid,
2364 * 0 if the signature check fails, or -1 if error occurs.
2365 */
2366 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2367 {
2368 int rv = 0;
2369
2370 if (do_x509_init(x, vfyopts) > 0)
2371 rv = X509_verify(x, pkey);
2372 else
2373 rv = -1;
2374 return rv;
2375 }
2376
2377 /*
2378 * do_X509_REQ_verify returns 1 if the signature is valid,
2379 * 0 if the signature check fails, or -1 if error occurs.
2380 */
2381 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2382 STACK_OF(OPENSSL_STRING) *vfyopts)
2383 {
2384 int rv = 0;
2385
2386 if (do_x509_req_init(x, vfyopts) > 0)
2387 rv = X509_REQ_verify_ex(x, pkey, app_get0_libctx(), app_get0_propq());
2388 else
2389 rv = -1;
2390 return rv;
2391 }
2392
2393 /* Get first http URL from a DIST_POINT structure */
2394
2395 static const char *get_dp_url(DIST_POINT *dp)
2396 {
2397 GENERAL_NAMES *gens;
2398 GENERAL_NAME *gen;
2399 int i, gtype;
2400 ASN1_STRING *uri;
2401
2402 if (!dp->distpoint || dp->distpoint->type != 0)
2403 return NULL;
2404 gens = dp->distpoint->name.fullname;
2405 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2406 gen = sk_GENERAL_NAME_value(gens, i);
2407 uri = GENERAL_NAME_get0_value(gen, &gtype);
2408 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2409 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2410
2411 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2412 return uptr;
2413 }
2414 }
2415 return NULL;
2416 }
2417
2418 /*
2419 * Look through a CRLDP structure and attempt to find an http URL to
2420 * downloads a CRL from.
2421 */
2422
2423 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2424 {
2425 int i;
2426 const char *urlptr = NULL;
2427
2428 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2429 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2430
2431 urlptr = get_dp_url(dp);
2432 if (urlptr != NULL)
2433 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2434 }
2435 return NULL;
2436 }
2437
2438 /*
2439 * Example of downloading CRLs from CRLDP:
2440 * not usable for real world as it always downloads and doesn't cache anything.
2441 */
2442
2443 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2444 const X509_NAME *nm)
2445 {
2446 X509 *x;
2447 STACK_OF(X509_CRL) *crls = NULL;
2448 X509_CRL *crl;
2449 STACK_OF(DIST_POINT) *crldp;
2450
2451 crls = sk_X509_CRL_new_null();
2452 if (!crls)
2453 return NULL;
2454 x = X509_STORE_CTX_get_current_cert(ctx);
2455 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2456 crl = load_crl_crldp(crldp);
2457 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2458 if (!crl) {
2459 sk_X509_CRL_free(crls);
2460 return NULL;
2461 }
2462 sk_X509_CRL_push(crls, crl);
2463 /* Try to download delta CRL */
2464 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2465 crl = load_crl_crldp(crldp);
2466 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2467 if (crl)
2468 sk_X509_CRL_push(crls, crl);
2469 return crls;
2470 }
2471
2472 void store_setup_crl_download(X509_STORE *st)
2473 {
2474 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2475 }
2476
2477 #ifndef OPENSSL_NO_SOCK
2478 static const char *tls_error_hint(void)
2479 {
2480 unsigned long err = ERR_peek_error();
2481
2482 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2483 err = ERR_peek_last_error();
2484 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2485 return NULL; /* likely no TLS error */
2486
2487 switch (ERR_GET_REASON(err)) {
2488 case SSL_R_WRONG_VERSION_NUMBER:
2489 return "The server does not support (a suitable version of) TLS";
2490 case SSL_R_UNKNOWN_PROTOCOL:
2491 return "The server does not support HTTPS";
2492 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2493 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2494 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2495 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2496 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2497 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2498 default:
2499 return NULL; /* no hint available for TLS error */
2500 }
2501 }
2502
2503 static BIO *http_tls_shutdown(BIO *bio)
2504 {
2505 if (bio != NULL) {
2506 BIO *cbio;
2507 const char *hint = tls_error_hint();
2508
2509 if (hint != NULL)
2510 BIO_printf(bio_err, "%s\n", hint);
2511 (void)ERR_set_mark();
2512 BIO_ssl_shutdown(bio);
2513 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2514 BIO_free(bio); /* SSL BIO */
2515 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2516 bio = cbio;
2517 }
2518 return bio;
2519 }
2520
2521 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2522 BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2523 {
2524 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2525 SSL_CTX *ssl_ctx = info->ssl_ctx;
2526
2527 if (ssl_ctx == NULL) /* not using TLS */
2528 return bio;
2529 if (connect) {
2530 SSL *ssl;
2531 BIO *sbio = NULL;
2532 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2533 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2534 const char *host = vpm == NULL ? NULL :
2535 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2536
2537 /* adapt after fixing callback design flaw, see #17088 */
2538 if ((info->use_proxy
2539 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2540 NULL, NULL, /* no proxy credentials */
2541 info->timeout, bio_err, opt_getprog()))
2542 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2543 return NULL;
2544 }
2545 if ((ssl = SSL_new(ssl_ctx)) == NULL) {
2546 BIO_free(sbio);
2547 return NULL;
2548 }
2549
2550 if (vpm != NULL)
2551 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2552
2553 SSL_set_connect_state(ssl);
2554 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2555
2556 bio = BIO_push(sbio, bio);
2557 } else { /* disconnect from TLS */
2558 bio = http_tls_shutdown(bio);
2559 }
2560 return bio;
2561 }
2562
2563 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2564 {
2565 if (info != NULL) {
2566 SSL_CTX_free(info->ssl_ctx);
2567 OPENSSL_free(info);
2568 }
2569 }
2570
2571 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2572 const char *no_proxy, SSL_CTX *ssl_ctx,
2573 const STACK_OF(CONF_VALUE) *headers,
2574 long timeout, const char *expected_content_type,
2575 const ASN1_ITEM *it)
2576 {
2577 APP_HTTP_TLS_INFO info;
2578 char *server;
2579 char *port;
2580 int use_ssl;
2581 BIO *mem;
2582 ASN1_VALUE *resp = NULL;
2583
2584 if (url == NULL || it == NULL) {
2585 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2586 return NULL;
2587 }
2588
2589 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2590 NULL /* port_num, */, NULL, NULL, NULL))
2591 return NULL;
2592 if (use_ssl && ssl_ctx == NULL) {
2593 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2594 "missing SSL_CTX");
2595 goto end;
2596 }
2597 if (!use_ssl && ssl_ctx != NULL) {
2598 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2599 "SSL_CTX given but use_ssl == 0");
2600 goto end;
2601 }
2602
2603 info.server = server;
2604 info.port = port;
2605 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2606 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2607 info.timeout = timeout;
2608 info.ssl_ctx = ssl_ctx;
2609 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2610 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2611 expected_content_type, 1 /* expect_asn1 */,
2612 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2613 resp = ASN1_item_d2i_bio(it, mem, NULL);
2614 BIO_free(mem);
2615
2616 end:
2617 OPENSSL_free(server);
2618 OPENSSL_free(port);
2619 return resp;
2620
2621 }
2622
2623 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2624 const char *path, const char *proxy,
2625 const char *no_proxy, SSL_CTX *ssl_ctx,
2626 const STACK_OF(CONF_VALUE) *headers,
2627 const char *content_type,
2628 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2629 const char *expected_content_type,
2630 long timeout, const ASN1_ITEM *rsp_it)
2631 {
2632 int use_ssl = ssl_ctx != NULL;
2633 APP_HTTP_TLS_INFO info;
2634 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2635 ASN1_VALUE *res;
2636
2637 if (req_mem == NULL)
2638 return NULL;
2639
2640 info.server = host;
2641 info.port = port;
2642 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2643 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2644 info.timeout = timeout;
2645 info.ssl_ctx = ssl_ctx;
2646 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2647 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2648 app_http_tls_cb, &info,
2649 0 /* buf_size */, headers, content_type, req_mem,
2650 expected_content_type, 1 /* expect_asn1 */,
2651 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2652 0 /* keep_alive */);
2653 BIO_free(req_mem);
2654 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2655 BIO_free(rsp);
2656 return res;
2657 }
2658
2659 #endif
2660
2661 /*
2662 * Platform-specific sections
2663 */
2664 #if defined(_WIN32)
2665 # ifdef fileno
2666 # undef fileno
2667 # define fileno(a) (int)_fileno(a)
2668 # endif
2669
2670 # include <windows.h>
2671 # include <tchar.h>
2672
2673 static int WIN32_rename(const char *from, const char *to)
2674 {
2675 TCHAR *tfrom = NULL, *tto;
2676 DWORD err;
2677 int ret = 0;
2678
2679 if (sizeof(TCHAR) == 1) {
2680 tfrom = (TCHAR *)from;
2681 tto = (TCHAR *)to;
2682 } else { /* UNICODE path */
2683 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2684
2685 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2686 if (tfrom == NULL)
2687 goto err;
2688 tto = tfrom + flen;
2689 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2690 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2691 # endif
2692 for (i = 0; i < flen; i++)
2693 tfrom[i] = (TCHAR)from[i];
2694 # if !defined(_WIN32_WCE) || _WIN32_WCE >= 101
2695 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2696 # endif
2697 for (i = 0; i < tlen; i++)
2698 tto[i] = (TCHAR)to[i];
2699 }
2700
2701 if (MoveFile(tfrom, tto))
2702 goto ok;
2703 err = GetLastError();
2704 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2705 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2706 goto ok;
2707 err = GetLastError();
2708 }
2709 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2710 errno = ENOENT;
2711 else if (err == ERROR_ACCESS_DENIED)
2712 errno = EACCES;
2713 else
2714 errno = EINVAL; /* we could map more codes... */
2715 err:
2716 ret = -1;
2717 ok:
2718 if (tfrom != NULL && tfrom != (TCHAR *)from)
2719 free(tfrom);
2720 return ret;
2721 }
2722 #endif
2723
2724 /* app_tminterval section */
2725 #if defined(_WIN32)
2726 double app_tminterval(int stop, int usertime)
2727 {
2728 FILETIME now;
2729 double ret = 0;
2730 static ULARGE_INTEGER tmstart;
2731 static int warning = 1;
2732 int use_GetSystemTime = 1;
2733 # ifdef _WIN32_WINNT
2734 static HANDLE proc = NULL;
2735
2736 if (proc == NULL) {
2737 if (check_winnt())
2738 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2739 GetCurrentProcessId());
2740 if (proc == NULL)
2741 proc = (HANDLE) - 1;
2742 }
2743
2744 if (usertime && proc != (HANDLE) - 1) {
2745 FILETIME junk;
2746
2747 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2748 use_GetSystemTime = 0;
2749 }
2750 # endif
2751 if (use_GetSystemTime) {
2752 SYSTEMTIME systime;
2753
2754 if (usertime && warning) {
2755 BIO_printf(bio_err, "To get meaningful results, run "
2756 "this program on idle system.\n");
2757 warning = 0;
2758 }
2759 GetSystemTime(&systime);
2760 SystemTimeToFileTime(&systime, &now);
2761 }
2762
2763 if (stop == TM_START) {
2764 tmstart.u.LowPart = now.dwLowDateTime;
2765 tmstart.u.HighPart = now.dwHighDateTime;
2766 } else {
2767 ULARGE_INTEGER tmstop;
2768
2769 tmstop.u.LowPart = now.dwLowDateTime;
2770 tmstop.u.HighPart = now.dwHighDateTime;
2771
2772 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2773 }
2774
2775 return ret;
2776 }
2777 #elif defined(OPENSSL_SYS_VXWORKS)
2778 # include <time.h>
2779
2780 double app_tminterval(int stop, int usertime)
2781 {
2782 double ret = 0;
2783 # ifdef CLOCK_REALTIME
2784 static struct timespec tmstart;
2785 struct timespec now;
2786 # else
2787 static unsigned long tmstart;
2788 unsigned long now;
2789 # endif
2790 static int warning = 1;
2791
2792 if (usertime && warning) {
2793 BIO_printf(bio_err, "To get meaningful results, run "
2794 "this program on idle system.\n");
2795 warning = 0;
2796 }
2797 # ifdef CLOCK_REALTIME
2798 clock_gettime(CLOCK_REALTIME, &now);
2799 if (stop == TM_START)
2800 tmstart = now;
2801 else
2802 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2803 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2804 # else
2805 now = tickGet();
2806 if (stop == TM_START)
2807 tmstart = now;
2808 else
2809 ret = (now - tmstart) / (double)sysClkRateGet();
2810 # endif
2811 return ret;
2812 }
2813
2814 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2815 # include <sys/times.h>
2816
2817 double app_tminterval(int stop, int usertime)
2818 {
2819 double ret = 0;
2820 struct tms rus;
2821 clock_t now = times(&rus);
2822 static clock_t tmstart;
2823
2824 if (usertime)
2825 now = rus.tms_utime;
2826
2827 if (stop == TM_START) {
2828 tmstart = now;
2829 } else {
2830 long int tck = sysconf(_SC_CLK_TCK);
2831
2832 ret = (now - tmstart) / (double)tck;
2833 }
2834
2835 return ret;
2836 }
2837
2838 #else
2839 # include <sys/time.h>
2840 # include <sys/resource.h>
2841
2842 double app_tminterval(int stop, int usertime)
2843 {
2844 double ret = 0;
2845 struct rusage rus;
2846 struct timeval now;
2847 static struct timeval tmstart;
2848
2849 if (usertime)
2850 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2851 else
2852 gettimeofday(&now, NULL);
2853
2854 if (stop == TM_START)
2855 tmstart = now;
2856 else
2857 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2858 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2859
2860 return ret;
2861 }
2862 #endif
2863
2864 int app_access(const char *name, int flag)
2865 {
2866 #ifdef _WIN32
2867 return _access(name, flag);
2868 #else
2869 return access(name, flag);
2870 #endif
2871 }
2872
2873 int app_isdir(const char *name)
2874 {
2875 return opt_isdir(name);
2876 }
2877
2878 /* raw_read|write section */
2879 #if defined(__VMS)
2880 # include "vms_term_sock.h"
2881 static int stdin_sock = -1;
2882
2883 static void close_stdin_sock(void)
2884 {
2885 TerminalSocket(TERM_SOCK_DELETE, &stdin_sock);
2886 }
2887
2888 int fileno_stdin(void)
2889 {
2890 if (stdin_sock == -1) {
2891 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2892 atexit(close_stdin_sock);
2893 }
2894
2895 return stdin_sock;
2896 }
2897 #else
2898 int fileno_stdin(void)
2899 {
2900 return fileno(stdin);
2901 }
2902 #endif
2903
2904 int fileno_stdout(void)
2905 {
2906 return fileno(stdout);
2907 }
2908
2909 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2910 int raw_read_stdin(void *buf, int siz)
2911 {
2912 DWORD n;
2913
2914 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2915 return n;
2916 else
2917 return -1;
2918 }
2919 #elif defined(__VMS)
2920 # include <sys/socket.h>
2921
2922 int raw_read_stdin(void *buf, int siz)
2923 {
2924 return recv(fileno_stdin(), buf, siz, 0);
2925 }
2926 #else
2927 # if defined(__TANDEM)
2928 # if defined(OPENSSL_TANDEM_FLOSS)
2929 # include <floss.h(floss_read)>
2930 # endif
2931 # endif
2932 int raw_read_stdin(void *buf, int siz)
2933 {
2934 return read(fileno_stdin(), buf, siz);
2935 }
2936 #endif
2937
2938 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2939 int raw_write_stdout(const void *buf, int siz)
2940 {
2941 DWORD n;
2942
2943 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2944 return n;
2945 else
2946 return -1;
2947 }
2948 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) \
2949 && defined(_SPT_MODEL_)
2950 # if defined(__TANDEM)
2951 # if defined(OPENSSL_TANDEM_FLOSS)
2952 # include <floss.h(floss_write)>
2953 # endif
2954 # endif
2955 int raw_write_stdout(const void *buf, int siz)
2956 {
2957 return write(fileno(stdout), (void *)buf, siz);
2958 }
2959 #else
2960 # if defined(__TANDEM)
2961 # if defined(OPENSSL_TANDEM_FLOSS)
2962 # include <floss.h(floss_write)>
2963 # endif
2964 # endif
2965 int raw_write_stdout(const void *buf, int siz)
2966 {
2967 return write(fileno_stdout(), buf, siz);
2968 }
2969 #endif
2970
2971 /*
2972 * Centralized handling of input and output files with format specification
2973 * The format is meant to show what the input and output is supposed to be,
2974 * and is therefore a show of intent more than anything else. However, it
2975 * does impact behavior on some platforms, such as differentiating between
2976 * text and binary input/output on non-Unix platforms
2977 */
2978 BIO *dup_bio_in(int format)
2979 {
2980 return BIO_new_fp(stdin,
2981 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2982 }
2983
2984 BIO *dup_bio_out(int format)
2985 {
2986 BIO *b = BIO_new_fp(stdout,
2987 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2988 void *prefix = NULL;
2989
2990 if (b == NULL)
2991 return NULL;
2992
2993 #ifdef OPENSSL_SYS_VMS
2994 if (FMT_istext(format))
2995 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2996 #endif
2997
2998 if (FMT_istext(format)
2999 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
3000 b = BIO_push(BIO_new(BIO_f_prefix()), b);
3001 BIO_set_prefix(b, prefix);
3002 }
3003
3004 return b;
3005 }
3006
3007 BIO *dup_bio_err(int format)
3008 {
3009 BIO *b = BIO_new_fp(stderr,
3010 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
3011
3012 #ifdef OPENSSL_SYS_VMS
3013 if (b != NULL && FMT_istext(format))
3014 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
3015 #endif
3016 return b;
3017 }
3018
3019 void unbuffer(FILE *fp)
3020 {
3021 /*
3022 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
3023 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
3024 * However, we trust that the C RTL will never give us a FILE pointer
3025 * above the first 4 GB of memory, so we simply turn off the warning
3026 * temporarily.
3027 */
3028 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3029 # pragma environment save
3030 # pragma message disable maylosedata2
3031 #endif
3032 setbuf(fp, NULL);
3033 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
3034 # pragma environment restore
3035 #endif
3036 }
3037
3038 static const char *modestr(char mode, int format)
3039 {
3040 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
3041
3042 switch (mode) {
3043 case 'a':
3044 return FMT_istext(format) ? "a" : "ab";
3045 case 'r':
3046 return FMT_istext(format) ? "r" : "rb";
3047 case 'w':
3048 return FMT_istext(format) ? "w" : "wb";
3049 }
3050 /* The assert above should make sure we never reach this point */
3051 return NULL;
3052 }
3053
3054 static const char *modeverb(char mode)
3055 {
3056 switch (mode) {
3057 case 'a':
3058 return "appending";
3059 case 'r':
3060 return "reading";
3061 case 'w':
3062 return "writing";
3063 }
3064 return "(doing something)";
3065 }
3066
3067 /*
3068 * Open a file for writing, owner-read-only.
3069 */
3070 BIO *bio_open_owner(const char *filename, int format, int private)
3071 {
3072 FILE *fp = NULL;
3073 BIO *b = NULL;
3074 int textmode, bflags;
3075 #ifndef OPENSSL_NO_POSIX_IO
3076 int fd = -1, mode;
3077 #endif
3078
3079 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3080 return bio_open_default(filename, 'w', format);
3081
3082 textmode = FMT_istext(format);
3083 #ifndef OPENSSL_NO_POSIX_IO
3084 mode = O_WRONLY;
3085 # ifdef O_CREAT
3086 mode |= O_CREAT;
3087 # endif
3088 # ifdef O_TRUNC
3089 mode |= O_TRUNC;
3090 # endif
3091 if (!textmode) {
3092 # ifdef O_BINARY
3093 mode |= O_BINARY;
3094 # elif defined(_O_BINARY)
3095 mode |= _O_BINARY;
3096 # endif
3097 }
3098
3099 # ifdef OPENSSL_SYS_VMS
3100 /*
3101 * VMS doesn't have O_BINARY, it just doesn't make sense. But,
3102 * it still needs to know that we're going binary, or fdopen()
3103 * will fail with "invalid argument"... so we tell VMS what the
3104 * context is.
3105 */
3106 if (!textmode)
3107 fd = open(filename, mode, 0600, "ctx=bin");
3108 else
3109 # endif
3110 fd = open(filename, mode, 0600);
3111 if (fd < 0)
3112 goto err;
3113 fp = fdopen(fd, modestr('w', format));
3114 #else /* OPENSSL_NO_POSIX_IO */
3115 /* Have stdio but not Posix IO, do the best we can */
3116 fp = fopen(filename, modestr('w', format));
3117 #endif /* OPENSSL_NO_POSIX_IO */
3118 if (fp == NULL)
3119 goto err;
3120 bflags = BIO_CLOSE;
3121 if (textmode)
3122 bflags |= BIO_FP_TEXT;
3123 b = BIO_new_fp(fp, bflags);
3124 if (b != NULL)
3125 return b;
3126
3127 err:
3128 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3129 opt_getprog(), filename, strerror(errno));
3130 ERR_print_errors(bio_err);
3131 /* If we have fp, then fdopen took over fd, so don't close both. */
3132 if (fp != NULL)
3133 fclose(fp);
3134 #ifndef OPENSSL_NO_POSIX_IO
3135 else if (fd >= 0)
3136 close(fd);
3137 #endif
3138 return NULL;
3139 }
3140
3141 static BIO *bio_open_default_(const char *filename, char mode, int format,
3142 int quiet)
3143 {
3144 BIO *ret;
3145
3146 if (filename == NULL || strcmp(filename, "-") == 0) {
3147 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3148 if (quiet) {
3149 ERR_clear_error();
3150 return ret;
3151 }
3152 if (ret != NULL)
3153 return ret;
3154 BIO_printf(bio_err,
3155 "Can't open %s, %s\n",
3156 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3157 } else {
3158 ret = BIO_new_file(filename, modestr(mode, format));
3159 if (quiet) {
3160 ERR_clear_error();
3161 return ret;
3162 }
3163 if (ret != NULL)
3164 return ret;
3165 BIO_printf(bio_err,
3166 "Can't open \"%s\" for %s, %s\n",
3167 filename, modeverb(mode), strerror(errno));
3168 }
3169 ERR_print_errors(bio_err);
3170 return NULL;
3171 }
3172
3173 BIO *bio_open_default(const char *filename, char mode, int format)
3174 {
3175 return bio_open_default_(filename, mode, format, 0);
3176 }
3177
3178 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3179 {
3180 return bio_open_default_(filename, mode, format, 1);
3181 }
3182
3183 void wait_for_async(SSL *s)
3184 {
3185 /* On Windows select only works for sockets, so we simply don't wait */
3186 #ifndef OPENSSL_SYS_WINDOWS
3187 int width = 0;
3188 fd_set asyncfds;
3189 OSSL_ASYNC_FD *fds;
3190 size_t numfds;
3191 size_t i;
3192
3193 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3194 return;
3195 if (numfds == 0)
3196 return;
3197 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3198 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3199 OPENSSL_free(fds);
3200 return;
3201 }
3202
3203 FD_ZERO(&asyncfds);
3204 for (i = 0; i < numfds; i++) {
3205 if (width <= (int)fds[i])
3206 width = (int)fds[i] + 1;
3207 openssl_fdset((int)fds[i], &asyncfds);
3208 }
3209 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3210 OPENSSL_free(fds);
3211 #endif
3212 }
3213
3214 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3215 #if defined(OPENSSL_SYS_MSDOS)
3216 int has_stdin_waiting(void)
3217 {
3218 # if defined(OPENSSL_SYS_WINDOWS)
3219 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3220 DWORD events = 0;
3221 INPUT_RECORD inputrec;
3222 DWORD insize = 1;
3223 BOOL peeked;
3224
3225 if (inhand == INVALID_HANDLE_VALUE) {
3226 return 0;
3227 }
3228
3229 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3230 if (!peeked) {
3231 /* Probably redirected input? _kbhit() does not work in this case */
3232 if (!feof(stdin)) {
3233 return 1;
3234 }
3235 return 0;
3236 }
3237 # endif
3238 return _kbhit();
3239 }
3240 #endif
3241
3242 /* Corrupt a signature by modifying final byte */
3243 void corrupt_signature(const ASN1_STRING *signature)
3244 {
3245 unsigned char *s = signature->data;
3246
3247 s[signature->length - 1] ^= 0x1;
3248 }
3249
3250 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3251 int days)
3252 {
3253 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3254 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3255 return 0;
3256 } else {
3257 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3258 return 0;
3259 }
3260 if (enddate == NULL) {
3261 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3262 == NULL)
3263 return 0;
3264 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3265 return 0;
3266 }
3267 return 1;
3268 }
3269
3270 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3271 {
3272 int ret = 0;
3273 ASN1_TIME *tm = ASN1_TIME_new();
3274
3275 if (tm == NULL)
3276 goto end;
3277
3278 if (lastupdate == NULL) {
3279 if (X509_gmtime_adj(tm, 0) == NULL)
3280 goto end;
3281 } else {
3282 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3283 goto end;
3284 }
3285
3286 if (!X509_CRL_set1_lastUpdate(crl, tm))
3287 goto end;
3288
3289 ret = 1;
3290 end:
3291 ASN1_TIME_free(tm);
3292 return ret;
3293 }
3294
3295 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3296 long days, long hours, long secs)
3297 {
3298 int ret = 0;
3299 ASN1_TIME *tm = ASN1_TIME_new();
3300
3301 if (tm == NULL)
3302 goto end;
3303
3304 if (nextupdate == NULL) {
3305 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3306 goto end;
3307 } else {
3308 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3309 goto end;
3310 }
3311
3312 if (!X509_CRL_set1_nextUpdate(crl, tm))
3313 goto end;
3314
3315 ret = 1;
3316 end:
3317 ASN1_TIME_free(tm);
3318 return ret;
3319 }
3320
3321 void make_uppercase(char *string)
3322 {
3323 int i;
3324
3325 for (i = 0; string[i] != '\0'; i++)
3326 string[i] = toupper((unsigned char)string[i]);
3327 }
3328
3329 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3330 const OSSL_PARAM *paramdefs)
3331 {
3332 OSSL_PARAM *params = NULL;
3333 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3334 size_t params_n;
3335 char *opt = "", *stmp, *vtmp = NULL;
3336 int found = 1;
3337
3338 if (opts == NULL)
3339 return NULL;
3340
3341 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3342 if (params == NULL)
3343 return NULL;
3344
3345 for (params_n = 0; params_n < sz; params_n++) {
3346 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3347 if ((stmp = OPENSSL_strdup(opt)) == NULL
3348 || (vtmp = strchr(stmp, ':')) == NULL)
3349 goto err;
3350 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3351 *vtmp = 0;
3352 /* Skip over the separator so that vmtp points to the value */
3353 vtmp++;
3354 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3355 stmp, vtmp, strlen(vtmp), &found))
3356 goto err;
3357 OPENSSL_free(stmp);
3358 }
3359 params[params_n] = OSSL_PARAM_construct_end();
3360 return params;
3361 err:
3362 OPENSSL_free(stmp);
3363 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3364 opt);
3365 ERR_print_errors(bio_err);
3366 app_params_free(params);
3367 return NULL;
3368 }
3369
3370 void app_params_free(OSSL_PARAM *params)
3371 {
3372 int i;
3373
3374 if (params != NULL) {
3375 for (i = 0; params[i].key != NULL; ++i)
3376 OPENSSL_free(params[i].data);
3377 OPENSSL_free(params);
3378 }
3379 }
3380
3381 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3382 {
3383 EVP_PKEY *res = NULL;
3384
3385 if (verbose && alg != NULL) {
3386 BIO_printf(bio_err, "Generating %s key", alg);
3387 if (bits > 0)
3388 BIO_printf(bio_err, " with %d bits\n", bits);
3389 else
3390 BIO_printf(bio_err, "\n");
3391 }
3392 if (!RAND_status())
3393 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3394 "if the system has a poor entropy source\n");
3395 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3396 app_bail_out("%s: Error generating %s key\n", opt_getprog(),
3397 alg != NULL ? alg : "asymmetric");
3398 return res;
3399 }
3400
3401 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3402 {
3403 EVP_PKEY *res = NULL;
3404
3405 if (!RAND_status())
3406 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3407 "if the system has a poor entropy source\n");
3408 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3409 app_bail_out("%s: Generating %s key parameters failed\n",
3410 opt_getprog(), alg != NULL ? alg : "asymmetric");
3411 return res;
3412 }
3413
3414 /*
3415 * Return non-zero if the legacy path is still an option.
3416 * This decision is based on the global command line operations and the
3417 * behaviour thus far.
3418 */
3419 int opt_legacy_okay(void)
3420 {
3421 int provider_options = opt_provider_option_given();
3422 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3423 /*
3424 * Having a provider option specified or a custom library context or
3425 * property query, is a sure sign we're not using legacy.
3426 */
3427 if (provider_options || libctx)
3428 return 0;
3429 return 1;
3430 }
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