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source: vbox/trunk/src/libs/openssl-3.1.2/apps/lib/apps.c@ 101021

Last change on this file since 101021 was 101021, checked in by vboxsync, 20 months ago

openssl-3.1.2: Applied and adjusted our OpenSSL changes to 3.1.0. bugref:10519
File size: 95.6 KB
Line 
1/*
2 * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
11/*
12 * On VMS, you need to define this to get the declaration of fileno(). The
13 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
14 */
15# define _POSIX_C_SOURCE 2
16#endif
17
18#ifndef OPENSSL_NO_ENGINE
19/* We need to use some deprecated APIs */
20# define OPENSSL_SUPPRESS_DEPRECATED
21# include <openssl/engine.h>
22#endif
23
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <sys/types.h>
28#ifndef OPENSSL_NO_POSIX_IO
29# include <sys/stat.h>
30# include <fcntl.h>
31#endif
32#include <ctype.h>
33#include <errno.h>
34#include <openssl/err.h>
35#include <openssl/x509.h>
36#include <openssl/x509v3.h>
37#include <openssl/http.h>
38#include <openssl/pem.h>
39#include <openssl/store.h>
40#include <openssl/pkcs12.h>
41#include <openssl/ui.h>
42#include <openssl/safestack.h>
43#include <openssl/rsa.h>
44#include <openssl/rand.h>
45#include <openssl/bn.h>
46#include <openssl/ssl.h>
47#include <openssl/core_names.h>
48#include "s_apps.h"
49#include "apps.h"
50
51#ifdef _WIN32
52static 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
64static BIO *bio_open_default_(const char *filename, char mode, int format,
65 int quiet);
66
67#define PASS_SOURCE_SIZE_MAX 4
68
69DEFINE_STACK_OF(CONF)
70
71typedef struct {
72 const char *name;
73 unsigned long flag;
74 unsigned long mask;
75} NAME_EX_TBL;
76
77static int set_table_opts(unsigned long *flags, const char *arg,
78 const NAME_EX_TBL * in_tbl);
79static int set_multi_opts(unsigned long *flags, const char *arg,
80 const NAME_EX_TBL * in_tbl);
81int app_init(long mesgwin);
82
83int 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 arg->size += 20;
105 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
106 if (tmp == NULL)
107 return 0;
108 arg->argv = tmp;
109 }
110 quoted = *p == '\'' || *p == '"';
111 if (quoted)
112 c = *p++;
113 arg->argv[arg->argc++] = p;
114
115 /* now look for the end of this */
116 if (quoted) {
117 while (*p && *p != c)
118 p++;
119 *p++ = '\0';
120 } else {
121 while (*p && !isspace(_UC(*p)))
122 p++;
123 if (*p)
124 *p++ = '\0';
125 }
126 }
127 arg->argv[arg->argc] = NULL;
128 return 1;
129}
130
131#ifndef APP_INIT
132int app_init(long mesgwin)
133{
134 return 1;
135}
136#endif
137
138int ctx_set_verify_locations(SSL_CTX *ctx,
139 const char *CAfile, int noCAfile,
140 const char *CApath, int noCApath,
141 const char *CAstore, int noCAstore)
142{
143 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
144 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
145 return 0;
146 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
147 return 0;
148 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
149 return 0;
150
151 return 1;
152 }
153
154 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
155 return 0;
156 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
157 return 0;
158 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
159 return 0;
160 return 1;
161}
162
163#ifndef OPENSSL_NO_CT
164
165int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
166{
167 if (path == NULL)
168 return SSL_CTX_set_default_ctlog_list_file(ctx);
169
170 return SSL_CTX_set_ctlog_list_file(ctx, path);
171}
172
173#endif
174
175static unsigned long nmflag = 0;
176static char nmflag_set = 0;
177
178int set_nameopt(const char *arg)
179{
180 int ret = set_name_ex(&nmflag, arg);
181
182 if (ret)
183 nmflag_set = 1;
184
185 return ret;
186}
187
188unsigned long get_nameopt(void)
189{
190 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
191}
192
193void dump_cert_text(BIO *out, X509 *x)
194{
195 print_name(out, "subject=", X509_get_subject_name(x));
196 print_name(out, "issuer=", X509_get_issuer_name(x));
197}
198
199int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
200{
201 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
202}
203
204
205static char *app_get_pass(const char *arg, int keepbio);
206
207char *get_passwd(const char *pass, const char *desc)
208{
209 char *result = NULL;
210
211 if (desc == NULL)
212 desc = "<unknown>";
213 if (!app_passwd(pass, NULL, &result, NULL))
214 BIO_printf(bio_err, "Error getting password for %s\n", desc);
215 if (pass != NULL && result == NULL) {
216 BIO_printf(bio_err,
217 "Trying plain input string (better precede with 'pass:')\n");
218 result = OPENSSL_strdup(pass);
219 if (result == NULL)
220 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
221 }
222 return result;
223}
224
225int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
226{
227 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
228
229 if (arg1 != NULL) {
230 *pass1 = app_get_pass(arg1, same);
231 if (*pass1 == NULL)
232 return 0;
233 } else if (pass1 != NULL) {
234 *pass1 = NULL;
235 }
236 if (arg2 != NULL) {
237 *pass2 = app_get_pass(arg2, same ? 2 : 0);
238 if (*pass2 == NULL)
239 return 0;
240 } else if (pass2 != NULL) {
241 *pass2 = NULL;
242 }
243 return 1;
244}
245
246static char *app_get_pass(const char *arg, int keepbio)
247{
248 static BIO *pwdbio = NULL;
249 char *tmp, tpass[APP_PASS_LEN];
250 int i;
251
252 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
253 if (strncmp(arg, "pass:", 5) == 0)
254 return OPENSSL_strdup(arg + 5);
255 if (strncmp(arg, "env:", 4) == 0) {
256 tmp = getenv(arg + 4);
257 if (tmp == NULL) {
258 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
259 return NULL;
260 }
261 return OPENSSL_strdup(tmp);
262 }
263 if (!keepbio || pwdbio == NULL) {
264 if (strncmp(arg, "file:", 5) == 0) {
265 pwdbio = BIO_new_file(arg + 5, "r");
266 if (pwdbio == NULL) {
267 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
268 return NULL;
269 }
270#if !defined(_WIN32)
271 /*
272 * Under _WIN32, which covers even Win64 and CE, file
273 * descriptors referenced by BIO_s_fd are not inherited
274 * by child process and therefore below is not an option.
275 * It could have been an option if bss_fd.c was operating
276 * on real Windows descriptors, such as those obtained
277 * with CreateFile.
278 */
279 } else if (strncmp(arg, "fd:", 3) == 0) {
280 BIO *btmp;
281 i = atoi(arg + 3);
282 if (i >= 0)
283 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
284 if ((i < 0) || pwdbio == NULL) {
285 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
286 return NULL;
287 }
288 /*
289 * Can't do BIO_gets on an fd BIO so add a buffering BIO
290 */
291 btmp = BIO_new(BIO_f_buffer());
292 if (btmp == NULL) {
293 BIO_free_all(pwdbio);
294 pwdbio = NULL;
295 BIO_printf(bio_err, "Out of memory\n");
296 return NULL;
297 }
298 pwdbio = BIO_push(btmp, pwdbio);
299#endif
300 } else if (strcmp(arg, "stdin") == 0) {
301 unbuffer(stdin);
302 pwdbio = dup_bio_in(FORMAT_TEXT);
303 if (pwdbio == NULL) {
304 BIO_printf(bio_err, "Can't open BIO for stdin\n");
305 return NULL;
306 }
307 } else {
308 /* argument syntax error; do not reveal too much about arg */
309 tmp = strchr(arg, ':');
310 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
311 BIO_printf(bio_err,
312 "Invalid password argument, missing ':' within the first %d chars\n",
313 PASS_SOURCE_SIZE_MAX + 1);
314 else
315 BIO_printf(bio_err,
316 "Invalid password argument, starting with \"%.*s\"\n",
317 (int)(tmp - arg + 1), arg);
318 return NULL;
319 }
320 }
321 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
322 if (keepbio != 1) {
323 BIO_free_all(pwdbio);
324 pwdbio = NULL;
325 }
326 if (i <= 0) {
327 BIO_printf(bio_err, "Error reading password from BIO\n");
328 return NULL;
329 }
330 tmp = strchr(tpass, '\n');
331 if (tmp != NULL)
332 *tmp = 0;
333 return OPENSSL_strdup(tpass);
334}
335
336CONF *app_load_config_bio(BIO *in, const char *filename)
337{
338 long errorline = -1;
339 CONF *conf;
340 int i;
341
342 conf = NCONF_new_ex(app_get0_libctx(), NULL);
343 i = NCONF_load_bio(conf, in, &errorline);
344 if (i > 0)
345 return conf;
346
347 if (errorline <= 0) {
348 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
349 } else {
350 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
351 errorline);
352 }
353 if (filename != NULL)
354 BIO_printf(bio_err, "config file \"%s\"\n", filename);
355 else
356 BIO_printf(bio_err, "config input");
357
358 NCONF_free(conf);
359 return NULL;
360}
361
362CONF *app_load_config_verbose(const char *filename, int verbose)
363{
364 if (verbose) {
365 if (*filename == '\0')
366 BIO_printf(bio_err, "No configuration used\n");
367 else
368 BIO_printf(bio_err, "Using configuration from %s\n", filename);
369 }
370 return app_load_config_internal(filename, 0);
371}
372
373CONF *app_load_config_internal(const char *filename, int quiet)
374{
375 BIO *in;
376 CONF *conf;
377
378 if (filename == NULL || *filename != '\0') {
379 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
380 return NULL;
381 conf = app_load_config_bio(in, filename);
382 BIO_free(in);
383 } else {
384 /* Return empty config if filename is empty string. */
385 conf = NCONF_new_ex(app_get0_libctx(), NULL);
386 }
387 return conf;
388}
389
390int app_load_modules(const CONF *config)
391{
392 CONF *to_free = NULL;
393
394 if (config == NULL)
395 config = to_free = app_load_config_quiet(default_config_file);
396 if (config == NULL)
397 return 1;
398
399 if (CONF_modules_load(config, NULL, 0) <= 0) {
400 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
401 ERR_print_errors(bio_err);
402 NCONF_free(to_free);
403 return 0;
404 }
405 NCONF_free(to_free);
406 return 1;
407}
408
409int add_oid_section(CONF *conf)
410{
411 char *p;
412 STACK_OF(CONF_VALUE) *sktmp;
413 CONF_VALUE *cnf;
414 int i;
415
416 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
417 ERR_clear_error();
418 return 1;
419 }
420 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
421 BIO_printf(bio_err, "problem loading oid section %s\n", p);
422 return 0;
423 }
424 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
425 cnf = sk_CONF_VALUE_value(sktmp, i);
426 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
427 BIO_printf(bio_err, "problem creating object %s=%s\n",
428 cnf->name, cnf->value);
429 return 0;
430 }
431 }
432 return 1;
433}
434
435CONF *app_load_config_modules(const char *configfile)
436{
437 CONF *conf = NULL;
438
439 if (configfile != NULL) {
440 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
441 return NULL;
442 if (configfile != default_config_file && !app_load_modules(conf)) {
443 NCONF_free(conf);
444 conf = NULL;
445 }
446 }
447 return conf;
448}
449
450#define IS_HTTP(uri) ((uri) != NULL \
451 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0)
452#define IS_HTTPS(uri) ((uri) != NULL \
453 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0)
454
455X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
456 const char *pass, const char *desc)
457{
458 X509 *cert = NULL;
459
460 if (desc == NULL)
461 desc = "certificate";
462 if (IS_HTTPS(uri)) {
463 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
464 } else if (IS_HTTP(uri)) {
465 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
466 if (cert == NULL) {
467 ERR_print_errors(bio_err);
468 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
469 }
470 } else {
471 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
472 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
473 }
474 return cert;
475}
476
477X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
478 const char *desc)
479{
480 X509_CRL *crl = NULL;
481
482 if (desc == NULL)
483 desc = "CRL";
484 if (IS_HTTPS(uri)) {
485 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
486 } else if (IS_HTTP(uri)) {
487 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
488 if (crl == NULL) {
489 ERR_print_errors(bio_err);
490 BIO_printf(bio_err, "Unable to load %s from %s\n", desc, uri);
491 }
492 } else {
493 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
494 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
495 }
496 return crl;
497}
498
499X509_REQ *load_csr(const char *file, int format, const char *desc)
500{
501 X509_REQ *req = NULL;
502 BIO *in;
503
504 if (format == FORMAT_UNDEF)
505 format = FORMAT_PEM;
506 if (desc == NULL)
507 desc = "CSR";
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 BIO_printf(bio_err, "Unable to load %s\n", desc);
523 }
524 BIO_free(in);
525 return req;
526}
527
528void cleanse(char *str)
529{
530 if (str != NULL)
531 OPENSSL_cleanse(str, strlen(str));
532}
533
534void clear_free(char *str)
535{
536 if (str != NULL)
537 OPENSSL_clear_free(str, strlen(str));
538}
539
540EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
541 const char *pass, ENGINE *e, const char *desc)
542{
543 EVP_PKEY *pkey = NULL;
544 char *allocated_uri = NULL;
545
546 if (desc == NULL)
547 desc = "private key";
548
549 if (format == FORMAT_ENGINE) {
550 uri = allocated_uri = make_engine_uri(e, uri, desc);
551 }
552 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc,
553 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
554
555 OPENSSL_free(allocated_uri);
556 return pkey;
557}
558
559EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
560 const char *pass, ENGINE *e, const char *desc)
561{
562 EVP_PKEY *pkey = NULL;
563 char *allocated_uri = NULL;
564
565 if (desc == NULL)
566 desc = "public key";
567
568 if (format == FORMAT_ENGINE) {
569 uri = allocated_uri = make_engine_uri(e, uri, desc);
570 }
571 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
572 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
573
574 OPENSSL_free(allocated_uri);
575 return pkey;
576}
577
578EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
579 const char *keytype, const char *desc,
580 int suppress_decode_errors)
581{
582 EVP_PKEY *params = NULL;
583 BIO *bio_bak = bio_err;
584
585 if (desc == NULL)
586 desc = "key parameters";
587 if (suppress_decode_errors)
588 bio_err = NULL;
589 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
590 NULL, NULL, &params, NULL, NULL, NULL, NULL);
591 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
592 ERR_print_errors(bio_err);
593 BIO_printf(bio_err,
594 "Unable to load %s from %s (unexpected parameters type)\n",
595 desc, uri);
596 EVP_PKEY_free(params);
597 params = NULL;
598 }
599 bio_err = bio_bak;
600 return params;
601}
602
603EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
604 const char *keytype, const char *desc)
605{
606 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
607}
608
609void app_bail_out(char *fmt, ...)
610{
611 va_list args;
612
613 va_start(args, fmt);
614 BIO_vprintf(bio_err, fmt, args);
615 va_end(args);
616 ERR_print_errors(bio_err);
617 exit(EXIT_FAILURE);
618}
619
620void *app_malloc(size_t sz, const char *what)
621{
622 void *vp = OPENSSL_malloc(sz);
623
624 if (vp == NULL)
625 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
626 opt_getprog(), sz, what);
627 return vp;
628}
629
630char *next_item(char *opt) /* in list separated by comma and/or space */
631{
632 /* advance to separator (comma or whitespace), if any */
633 while (*opt != ',' && !isspace(_UC(*opt)) && *opt != '\0')
634 opt++;
635 if (*opt != '\0') {
636 /* terminate current item */
637 *opt++ = '\0';
638 /* skip over any whitespace after separator */
639 while (isspace(_UC(*opt)))
640 opt++;
641 }
642 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
643}
644
645static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
646{
647 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
648
649 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
650 uri, subj, msg);
651 OPENSSL_free(subj);
652}
653
654static void warn_cert(const char *uri, X509 *cert, int warn_EE,
655 X509_VERIFY_PARAM *vpm)
656{
657 uint32_t ex_flags = X509_get_extension_flags(cert);
658 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
659 X509_get0_notAfter(cert));
660
661 if (res != 0)
662 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
663 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
664 warn_cert_msg(uri, cert, "is not a CA cert");
665}
666
667static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
668 X509_VERIFY_PARAM *vpm)
669{
670 int i;
671
672 for (i = 0; i < sk_X509_num(certs); i++)
673 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
674}
675
676int load_cert_certs(const char *uri,
677 X509 **pcert, STACK_OF(X509) **pcerts,
678 int exclude_http, const char *pass, const char *desc,
679 X509_VERIFY_PARAM *vpm)
680{
681 int ret = 0;
682 char *pass_string;
683
684 if (desc == NULL)
685 desc = pcerts == NULL ? "certificate" : "certificates";
686 if (exclude_http && (OPENSSL_strncasecmp(uri, "http://", 7) == 0
687 || OPENSSL_strncasecmp(uri, "https://", 8) == 0)) {
688 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
689 return ret;
690 }
691 pass_string = get_passwd(pass, desc);
692 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc,
693 NULL, NULL, NULL, pcert, pcerts, NULL, NULL);
694 clear_free(pass_string);
695
696 if (ret) {
697 if (pcert != NULL)
698 warn_cert(uri, *pcert, 0, vpm);
699 if (pcerts != NULL)
700 warn_certs(uri, *pcerts, 1, vpm);
701 } else {
702 if (pcerts != NULL) {
703 sk_X509_pop_free(*pcerts, X509_free);
704 *pcerts = NULL;
705 }
706 }
707 return ret;
708}
709
710STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
711 const char *desc, X509_VERIFY_PARAM *vpm)
712{
713 STACK_OF(X509) *certs = NULL;
714 STACK_OF(X509) *result = sk_X509_new_null();
715
716 if (files == NULL)
717 goto err;
718 if (result == NULL)
719 goto oom;
720
721 while (files != NULL) {
722 char *next = next_item(files);
723
724 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
725 goto err;
726 if (!X509_add_certs(result, certs,
727 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
728 goto oom;
729 sk_X509_pop_free(certs, X509_free);
730 certs = NULL;
731 files = next;
732 }
733 return result;
734
735 oom:
736 BIO_printf(bio_err, "out of memory\n");
737 err:
738 sk_X509_pop_free(certs, X509_free);
739 sk_X509_pop_free(result, X509_free);
740 return NULL;
741}
742
743static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
744 const STACK_OF(X509) *certs /* may NULL */)
745{
746 int i;
747
748 if (store == NULL)
749 store = X509_STORE_new();
750 if (store == NULL)
751 return NULL;
752 for (i = 0; i < sk_X509_num(certs); i++) {
753 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
754 X509_STORE_free(store);
755 return NULL;
756 }
757 }
758 return store;
759}
760
761/*
762 * Create cert store structure with certificates read from given file(s).
763 * Returns pointer to created X509_STORE on success, NULL on error.
764 */
765X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
766 X509_VERIFY_PARAM *vpm)
767{
768 X509_STORE *store = NULL;
769 STACK_OF(X509) *certs = NULL;
770
771 while (input != NULL) {
772 char *next = next_item(input);
773 int ok;
774
775 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
776 X509_STORE_free(store);
777 return NULL;
778 }
779 ok = (store = sk_X509_to_store(store, certs)) != NULL;
780 sk_X509_pop_free(certs, X509_free);
781 certs = NULL;
782 if (!ok)
783 return NULL;
784 input = next;
785 }
786 return store;
787}
788
789/*
790 * Initialize or extend, if *certs != NULL, a certificate stack.
791 * The caller is responsible for freeing *certs if its value is left not NULL.
792 */
793int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
794 const char *pass, const char *desc)
795{
796 int ret, was_NULL = *certs == NULL;
797
798 if (desc == NULL)
799 desc = "certificates";
800 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc,
801 NULL, NULL, NULL, NULL, certs, NULL, NULL);
802
803 if (!ret && was_NULL) {
804 sk_X509_pop_free(*certs, X509_free);
805 *certs = NULL;
806 }
807 return ret;
808}
809
810/*
811 * Initialize or extend, if *crls != NULL, a certificate stack.
812 * The caller is responsible for freeing *crls if its value is left not NULL.
813 */
814int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
815 const char *pass, const char *desc)
816{
817 int ret, was_NULL = *crls == NULL;
818
819 if (desc == NULL)
820 desc = "CRLs";
821 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc,
822 NULL, NULL, NULL, NULL, NULL, NULL, crls);
823
824 if (!ret && was_NULL) {
825 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
826 *crls = NULL;
827 }
828 return ret;
829}
830
831static const char *format2string(int format)
832{
833 switch(format) {
834 case FORMAT_PEM:
835 return "PEM";
836 case FORMAT_ASN1:
837 return "DER";
838 }
839 return NULL;
840}
841
842/* Set type expectation, but clear it if objects of different types expected. */
843#define SET_EXPECT(expect, val) ((expect) = (expect) < 0 ? (val) : ((expect) == (val) ? (val) : 0))
844/*
845 * Load those types of credentials for which the result pointer is not NULL.
846 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
847 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
848 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
849 * If pcerts is non-NULL then all available certificates are appended to *pcerts
850 * except any certificate assigned to *pcert.
851 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
852 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
853 * except any CRL assigned to *pcrl.
854 * In any case (also on error) the caller is responsible for freeing all members
855 * of *pcerts and *pcrls (as far as they are not NULL).
856 */
857int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
858 const char *pass, const char *desc,
859 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
860 EVP_PKEY **pparams,
861 X509 **pcert, STACK_OF(X509) **pcerts,
862 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
863{
864 PW_CB_DATA uidata;
865 OSSL_STORE_CTX *ctx = NULL;
866 OSSL_LIB_CTX *libctx = app_get0_libctx();
867 const char *propq = app_get0_propq();
868 int ncerts = 0;
869 int ncrls = 0;
870 const char *failed =
871 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
872 pparams != NULL ? "params" : pcert != NULL ? "cert" :
873 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
874 pcrls != NULL ? "CRLs" : NULL;
875 int cnt_expectations = 0;
876 int expect = -1;
877 const char *input_type;
878 OSSL_PARAM itp[2];
879 const OSSL_PARAM *params = NULL;
880
881 ERR_set_mark();
882 if (ppkey != NULL) {
883 *ppkey = NULL;
884 cnt_expectations++;
885 SET_EXPECT(expect, OSSL_STORE_INFO_PKEY);
886 }
887 if (ppubkey != NULL) {
888 *ppubkey = NULL;
889 cnt_expectations++;
890 SET_EXPECT(expect, OSSL_STORE_INFO_PUBKEY);
891 }
892 if (pparams != NULL) {
893 *pparams = NULL;
894 cnt_expectations++;
895 SET_EXPECT(expect, OSSL_STORE_INFO_PARAMS);
896 }
897 if (pcert != NULL) {
898 *pcert = NULL;
899 cnt_expectations++;
900 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
901 }
902 if (pcerts != NULL) {
903 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
904 BIO_printf(bio_err, "Out of memory loading");
905 goto end;
906 }
907 cnt_expectations++;
908 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
909 }
910 if (pcrl != NULL) {
911 *pcrl = NULL;
912 cnt_expectations++;
913 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
914 }
915 if (pcrls != NULL) {
916 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
917 BIO_printf(bio_err, "Out of memory loading");
918 goto end;
919 }
920 cnt_expectations++;
921 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
922 }
923 if (cnt_expectations == 0) {
924 BIO_printf(bio_err, "Internal error: no expectation to load");
925 failed = "anything";
926 goto end;
927 }
928
929 uidata.password = pass;
930 uidata.prompt_info = uri;
931
932 if ((input_type = format2string(format)) != NULL) {
933 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
934 (char *)input_type, 0);
935 itp[1] = OSSL_PARAM_construct_end();
936 params = itp;
937 }
938
939 if (uri == NULL) {
940 BIO *bio;
941
942 if (!maybe_stdin) {
943 BIO_printf(bio_err, "No filename or uri specified for loading");
944 goto end;
945 }
946 uri = "<stdin>";
947 unbuffer(stdin);
948 bio = BIO_new_fp(stdin, 0);
949 if (bio != NULL) {
950 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
951 get_ui_method(), &uidata, params,
952 NULL, NULL);
953 BIO_free(bio);
954 }
955 } else {
956 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
957 params, NULL, NULL);
958 }
959 if (ctx == NULL) {
960 BIO_printf(bio_err, "Could not open file or uri for loading");
961 goto end;
962 }
963 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
964 goto end;
965
966 failed = NULL;
967 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
968 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
969 int type, ok = 1;
970
971 /*
972 * This can happen (for example) if we attempt to load a file with
973 * multiple different types of things in it - but the thing we just
974 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
975 * to load a certificate but the file has both the private key and the
976 * certificate in it. We just retry until eof.
977 */
978 if (info == NULL) {
979 continue;
980 }
981
982 type = OSSL_STORE_INFO_get_type(info);
983 switch (type) {
984 case OSSL_STORE_INFO_PKEY:
985 if (ppkey != NULL && *ppkey == NULL) {
986 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
987 cnt_expectations -= ok;
988 }
989 /*
990 * An EVP_PKEY with private parts also holds the public parts,
991 * so if the caller asked for a public key, and we got a private
992 * key, we can still pass it back.
993 */
994 if (ok && ppubkey != NULL && *ppubkey == NULL) {
995 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
996 cnt_expectations -= ok;
997 }
998 break;
999 case OSSL_STORE_INFO_PUBKEY:
1000 if (ppubkey != NULL && *ppubkey == NULL) {
1001 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
1002 cnt_expectations -= ok;
1003 }
1004 break;
1005 case OSSL_STORE_INFO_PARAMS:
1006 if (pparams != NULL && *pparams == NULL) {
1007 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
1008 cnt_expectations -= ok;
1009 }
1010 break;
1011 case OSSL_STORE_INFO_CERT:
1012 if (pcert != NULL && *pcert == NULL) {
1013 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1014 cnt_expectations -= ok;
1015 }
1016 else if (pcerts != NULL)
1017 ok = X509_add_cert(*pcerts,
1018 OSSL_STORE_INFO_get1_CERT(info),
1019 X509_ADD_FLAG_DEFAULT);
1020 ncerts += ok;
1021 break;
1022 case OSSL_STORE_INFO_CRL:
1023 if (pcrl != NULL && *pcrl == NULL) {
1024 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1025 cnt_expectations -= ok;
1026 }
1027 else if (pcrls != NULL)
1028 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1029 ncrls += ok;
1030 break;
1031 default:
1032 /* skip any other type */
1033 break;
1034 }
1035 OSSL_STORE_INFO_free(info);
1036 if (!ok) {
1037 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1038 BIO_printf(bio_err, "Error reading");
1039 break;
1040 }
1041 }
1042
1043 end:
1044 OSSL_STORE_close(ctx);
1045 if (failed == NULL) {
1046 int any = 0;
1047
1048 if ((ppkey != NULL && *ppkey == NULL)
1049 || (ppubkey != NULL && *ppubkey == NULL)) {
1050 failed = "key";
1051 } else if (pparams != NULL && *pparams == NULL) {
1052 failed = "params";
1053 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1054 if (pcert == NULL)
1055 any = 1;
1056 failed = "cert";
1057 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1058 if (pcrl == NULL)
1059 any = 1;
1060 failed = "CRL";
1061 }
1062 if (failed != NULL)
1063 BIO_printf(bio_err, "Could not read");
1064 if (any)
1065 BIO_printf(bio_err, " any");
1066 }
1067 if (failed != NULL) {
1068 unsigned long err = ERR_peek_last_error();
1069
1070 if (desc != NULL && strstr(desc, failed) != NULL) {
1071 BIO_printf(bio_err, " %s", desc);
1072 } else {
1073 BIO_printf(bio_err, " %s", failed);
1074 if (desc != NULL)
1075 BIO_printf(bio_err, " of %s", desc);
1076 }
1077 if (uri != NULL)
1078 BIO_printf(bio_err, " from %s", uri);
1079 if (ERR_SYSTEM_ERROR(err)) {
1080 /* provide more readable diagnostic output */
1081 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1082 ERR_pop_to_mark();
1083 ERR_set_mark();
1084 }
1085 BIO_printf(bio_err, "\n");
1086 ERR_print_errors(bio_err);
1087 }
1088 if (bio_err == NULL || failed == NULL)
1089 /* clear any suppressed or spurious errors */
1090 ERR_pop_to_mark();
1091 else
1092 ERR_clear_last_mark();
1093 return failed == NULL;
1094}
1095
1096#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1097/* Return error for unknown extensions */
1098#define X509V3_EXT_DEFAULT 0
1099/* Print error for unknown extensions */
1100#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1101/* ASN1 parse unknown extensions */
1102#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1103/* BIO_dump unknown extensions */
1104#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1105
1106#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1107 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1108
1109int set_cert_ex(unsigned long *flags, const char *arg)
1110{
1111 static const NAME_EX_TBL cert_tbl[] = {
1112 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1113 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1114 {"no_header", X509_FLAG_NO_HEADER, 0},
1115 {"no_version", X509_FLAG_NO_VERSION, 0},
1116 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1117 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1118 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1119 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1120 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1121 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1122 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1123 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1124 {"no_aux", X509_FLAG_NO_AUX, 0},
1125 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1126 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1127 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1128 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1129 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1130 {NULL, 0, 0}
1131 };
1132 return set_multi_opts(flags, arg, cert_tbl);
1133}
1134
1135int set_name_ex(unsigned long *flags, const char *arg)
1136{
1137 static const NAME_EX_TBL ex_tbl[] = {
1138 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1139 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1140 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1141 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1142 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1143 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1144 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1145 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1146 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1147 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1148 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1149 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1150 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1151 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1152 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1153 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1154 {"dn_rev", XN_FLAG_DN_REV, 0},
1155 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1156 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1157 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1158 {"align", XN_FLAG_FN_ALIGN, 0},
1159 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1160 {"space_eq", XN_FLAG_SPC_EQ, 0},
1161 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1162 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1163 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1164 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1165 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1166 {NULL, 0, 0}
1167 };
1168 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1169 return 0;
1170 if (*flags != XN_FLAG_COMPAT
1171 && (*flags & XN_FLAG_SEP_MASK) == 0)
1172 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1173 return 1;
1174}
1175
1176int set_dateopt(unsigned long *dateopt, const char *arg)
1177{
1178 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1179 *dateopt = ASN1_DTFLGS_RFC822;
1180 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1181 *dateopt = ASN1_DTFLGS_ISO8601;
1182 else
1183 return 0;
1184 return 1;
1185}
1186
1187int set_ext_copy(int *copy_type, const char *arg)
1188{
1189 if (OPENSSL_strcasecmp(arg, "none") == 0)
1190 *copy_type = EXT_COPY_NONE;
1191 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1192 *copy_type = EXT_COPY_ADD;
1193 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1194 *copy_type = EXT_COPY_ALL;
1195 else
1196 return 0;
1197 return 1;
1198}
1199
1200int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1201{
1202 STACK_OF(X509_EXTENSION) *exts;
1203 int i, ret = 0;
1204
1205 if (x == NULL || req == NULL)
1206 return 0;
1207 if (copy_type == EXT_COPY_NONE)
1208 return 1;
1209 exts = X509_REQ_get_extensions(req);
1210
1211 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1212 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1213 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1214 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1215
1216 /* Does extension exist in target? */
1217 if (idx != -1) {
1218 /* If normal copy don't override existing extension */
1219 if (copy_type == EXT_COPY_ADD)
1220 continue;
1221 /* Delete all extensions of same type */
1222 do {
1223 X509_EXTENSION_free(X509_delete_ext(x, idx));
1224 idx = X509_get_ext_by_OBJ(x, obj, -1);
1225 } while (idx != -1);
1226 }
1227 if (!X509_add_ext(x, ext, -1))
1228 goto end;
1229 }
1230 ret = 1;
1231
1232 end:
1233 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1234 return ret;
1235}
1236
1237static int set_multi_opts(unsigned long *flags, const char *arg,
1238 const NAME_EX_TBL * in_tbl)
1239{
1240 STACK_OF(CONF_VALUE) *vals;
1241 CONF_VALUE *val;
1242 int i, ret = 1;
1243 if (!arg)
1244 return 0;
1245 vals = X509V3_parse_list(arg);
1246 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1247 val = sk_CONF_VALUE_value(vals, i);
1248 if (!set_table_opts(flags, val->name, in_tbl))
1249 ret = 0;
1250 }
1251 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1252 return ret;
1253}
1254
1255static int set_table_opts(unsigned long *flags, const char *arg,
1256 const NAME_EX_TBL * in_tbl)
1257{
1258 char c;
1259 const NAME_EX_TBL *ptbl;
1260 c = arg[0];
1261
1262 if (c == '-') {
1263 c = 0;
1264 arg++;
1265 } else if (c == '+') {
1266 c = 1;
1267 arg++;
1268 } else {
1269 c = 1;
1270 }
1271
1272 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1273 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1274 *flags &= ~ptbl->mask;
1275 if (c)
1276 *flags |= ptbl->flag;
1277 else
1278 *flags &= ~ptbl->flag;
1279 return 1;
1280 }
1281 }
1282 return 0;
1283}
1284
1285void print_name(BIO *out, const char *title, const X509_NAME *nm)
1286{
1287 char *buf;
1288 char mline = 0;
1289 int indent = 0;
1290 unsigned long lflags = get_nameopt();
1291
1292 if (out == NULL)
1293 return;
1294 if (title != NULL)
1295 BIO_puts(out, title);
1296 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1297 mline = 1;
1298 indent = 4;
1299 }
1300 if (lflags == XN_FLAG_COMPAT) {
1301 buf = X509_NAME_oneline(nm, 0, 0);
1302 BIO_puts(out, buf);
1303 BIO_puts(out, "\n");
1304 OPENSSL_free(buf);
1305 } else {
1306 if (mline)
1307 BIO_puts(out, "\n");
1308 X509_NAME_print_ex(out, nm, indent, lflags);
1309 BIO_puts(out, "\n");
1310 }
1311}
1312
1313void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1314 int len, unsigned char *buffer)
1315{
1316 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1317 if (BN_is_zero(in)) {
1318 BIO_printf(out, "\n 0x00");
1319 } else {
1320 int i, l;
1321
1322 l = BN_bn2bin(in, buffer);
1323 for (i = 0; i < l; i++) {
1324 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1325 if (i < l - 1)
1326 BIO_printf(out, "0x%02X,", buffer[i]);
1327 else
1328 BIO_printf(out, "0x%02X", buffer[i]);
1329 }
1330 }
1331 BIO_printf(out, "\n };\n");
1332}
1333
1334void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1335{
1336 int i;
1337
1338 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1339 for (i = 0; i < len; i++) {
1340 if ((i % 10) == 0)
1341 BIO_printf(out, "\n ");
1342 if (i < len - 1)
1343 BIO_printf(out, "0x%02X, ", d[i]);
1344 else
1345 BIO_printf(out, "0x%02X", d[i]);
1346 }
1347 BIO_printf(out, "\n};\n");
1348}
1349
1350X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1351 const char *CApath, int noCApath,
1352 const char *CAstore, int noCAstore)
1353{
1354 X509_STORE *store = X509_STORE_new();
1355 X509_LOOKUP *lookup;
1356 OSSL_LIB_CTX *libctx = app_get0_libctx();
1357 const char *propq = app_get0_propq();
1358
1359 if (store == NULL)
1360 goto end;
1361
1362 if (CAfile != NULL || !noCAfile) {
1363 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1364 if (lookup == NULL)
1365 goto end;
1366 if (CAfile != NULL) {
1367 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1368 libctx, propq) <= 0) {
1369 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1370 goto end;
1371 }
1372 } else {
1373 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1374 libctx, propq);
1375 }
1376 }
1377
1378 if (CApath != NULL || !noCApath) {
1379 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1380 if (lookup == NULL)
1381 goto end;
1382 if (CApath != NULL) {
1383 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1384 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1385 goto end;
1386 }
1387 } else {
1388 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1389 }
1390 }
1391
1392 if (CAstore != NULL || !noCAstore) {
1393 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1394 if (lookup == NULL)
1395 goto end;
1396 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1397 if (CAstore != NULL)
1398 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1399 goto end;
1400 }
1401 }
1402
1403 ERR_clear_error();
1404 return store;
1405 end:
1406 ERR_print_errors(bio_err);
1407 X509_STORE_free(store);
1408 return NULL;
1409}
1410
1411static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1412{
1413 const char *n;
1414
1415 n = a[DB_serial];
1416 while (*n == '0')
1417 n++;
1418 return OPENSSL_LH_strhash(n);
1419}
1420
1421static int index_serial_cmp(const OPENSSL_CSTRING *a,
1422 const OPENSSL_CSTRING *b)
1423{
1424 const char *aa, *bb;
1425
1426 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1427 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1428 return strcmp(aa, bb);
1429}
1430
1431static int index_name_qual(char **a)
1432{
1433 return (a[0][0] == 'V');
1434}
1435
1436static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1437{
1438 return OPENSSL_LH_strhash(a[DB_name]);
1439}
1440
1441int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1442{
1443 return strcmp(a[DB_name], b[DB_name]);
1444}
1445
1446static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1447static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1448static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1449static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1450#undef BSIZE
1451#define BSIZE 256
1452BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1453 ASN1_INTEGER **retai)
1454{
1455 BIO *in = NULL;
1456 BIGNUM *ret = NULL;
1457 char buf[1024];
1458 ASN1_INTEGER *ai = NULL;
1459
1460 ai = ASN1_INTEGER_new();
1461 if (ai == NULL)
1462 goto err;
1463
1464 in = BIO_new_file(serialfile, "r");
1465 if (exists != NULL)
1466 *exists = in != NULL;
1467 if (in == NULL) {
1468 if (!create) {
1469 perror(serialfile);
1470 goto err;
1471 }
1472 ERR_clear_error();
1473 ret = BN_new();
1474 if (ret == NULL) {
1475 BIO_printf(bio_err, "Out of memory\n");
1476 } else if (!rand_serial(ret, ai)) {
1477 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1478 serialfile);
1479 BN_free(ret);
1480 ret = NULL;
1481 }
1482 } else {
1483 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1484 BIO_printf(bio_err, "Unable to load number from %s\n",
1485 serialfile);
1486 goto err;
1487 }
1488 ret = ASN1_INTEGER_to_BN(ai, NULL);
1489 if (ret == NULL) {
1490 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1491 goto err;
1492 }
1493 }
1494
1495 if (ret != NULL && retai != NULL) {
1496 *retai = ai;
1497 ai = NULL;
1498 }
1499 err:
1500 if (ret == NULL)
1501 ERR_print_errors(bio_err);
1502 BIO_free(in);
1503 ASN1_INTEGER_free(ai);
1504 return ret;
1505}
1506
1507int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1508 ASN1_INTEGER **retai)
1509{
1510 char buf[1][BSIZE];
1511 BIO *out = NULL;
1512 int ret = 0;
1513 ASN1_INTEGER *ai = NULL;
1514 int j;
1515
1516 if (suffix == NULL)
1517 j = strlen(serialfile);
1518 else
1519 j = strlen(serialfile) + strlen(suffix) + 1;
1520 if (j >= BSIZE) {
1521 BIO_printf(bio_err, "File name too long\n");
1522 goto err;
1523 }
1524
1525 if (suffix == NULL)
1526 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1527 else {
1528#ifndef OPENSSL_SYS_VMS
1529 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1530#else
1531 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1532#endif
1533 }
1534 out = BIO_new_file(buf[0], "w");
1535 if (out == NULL) {
1536 goto err;
1537 }
1538
1539 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1540 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1541 goto err;
1542 }
1543 i2a_ASN1_INTEGER(out, ai);
1544 BIO_puts(out, "\n");
1545 ret = 1;
1546 if (retai) {
1547 *retai = ai;
1548 ai = NULL;
1549 }
1550 err:
1551 if (!ret)
1552 ERR_print_errors(bio_err);
1553 BIO_free_all(out);
1554 ASN1_INTEGER_free(ai);
1555 return ret;
1556}
1557
1558int rotate_serial(const char *serialfile, const char *new_suffix,
1559 const char *old_suffix)
1560{
1561 char buf[2][BSIZE];
1562 int i, j;
1563
1564 i = strlen(serialfile) + strlen(old_suffix);
1565 j = strlen(serialfile) + strlen(new_suffix);
1566 if (i > j)
1567 j = i;
1568 if (j + 1 >= BSIZE) {
1569 BIO_printf(bio_err, "File name too long\n");
1570 goto err;
1571 }
1572#ifndef OPENSSL_SYS_VMS
1573 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1574 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1575#else
1576 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1577 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1578#endif
1579 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1580#ifdef ENOTDIR
1581 && errno != ENOTDIR
1582#endif
1583 ) {
1584 BIO_printf(bio_err,
1585 "Unable to rename %s to %s\n", serialfile, buf[1]);
1586 perror("reason");
1587 goto err;
1588 }
1589 if (rename(buf[0], serialfile) < 0) {
1590 BIO_printf(bio_err,
1591 "Unable to rename %s to %s\n", buf[0], serialfile);
1592 perror("reason");
1593 rename(buf[1], serialfile);
1594 goto err;
1595 }
1596 return 1;
1597 err:
1598 ERR_print_errors(bio_err);
1599 return 0;
1600}
1601
1602int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1603{
1604 BIGNUM *btmp;
1605 int ret = 0;
1606
1607 btmp = b == NULL ? BN_new() : b;
1608 if (btmp == NULL)
1609 return 0;
1610
1611 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1612 goto error;
1613 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1614 goto error;
1615
1616 ret = 1;
1617
1618 error:
1619
1620 if (btmp != b)
1621 BN_free(btmp);
1622
1623 return ret;
1624}
1625
1626CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1627{
1628 CA_DB *retdb = NULL;
1629 TXT_DB *tmpdb = NULL;
1630 BIO *in;
1631 CONF *dbattr_conf = NULL;
1632 char buf[BSIZE];
1633#ifndef OPENSSL_NO_POSIX_IO
1634 FILE *dbfp;
1635 struct stat dbst;
1636#endif
1637
1638 in = BIO_new_file(dbfile, "r");
1639 if (in == NULL)
1640 goto err;
1641
1642#ifndef OPENSSL_NO_POSIX_IO
1643 BIO_get_fp(in, &dbfp);
1644 if (fstat(fileno(dbfp), &dbst) == -1) {
1645 ERR_raise_data(ERR_LIB_SYS, errno,
1646 "calling fstat(%s)", dbfile);
1647 goto err;
1648 }
1649#endif
1650
1651 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1652 goto err;
1653
1654#ifndef OPENSSL_SYS_VMS
1655 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1656#else
1657 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1658#endif
1659 dbattr_conf = app_load_config_quiet(buf);
1660
1661 retdb = app_malloc(sizeof(*retdb), "new DB");
1662 retdb->db = tmpdb;
1663 tmpdb = NULL;
1664 if (db_attr)
1665 retdb->attributes = *db_attr;
1666 else {
1667 retdb->attributes.unique_subject = 1;
1668 }
1669
1670 if (dbattr_conf) {
1671 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1672 if (p) {
1673 retdb->attributes.unique_subject = parse_yesno(p, 1);
1674 } else {
1675 ERR_clear_error();
1676 }
1677
1678 }
1679
1680 retdb->dbfname = OPENSSL_strdup(dbfile);
1681#ifndef OPENSSL_NO_POSIX_IO
1682 retdb->dbst = dbst;
1683#endif
1684
1685 err:
1686 ERR_print_errors(bio_err);
1687 NCONF_free(dbattr_conf);
1688 TXT_DB_free(tmpdb);
1689 BIO_free_all(in);
1690 return retdb;
1691}
1692
1693/*
1694 * Returns > 0 on success, <= 0 on error
1695 */
1696int index_index(CA_DB *db)
1697{
1698 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1699 LHASH_HASH_FN(index_serial),
1700 LHASH_COMP_FN(index_serial))) {
1701 BIO_printf(bio_err,
1702 "Error creating serial number index:(%ld,%ld,%ld)\n",
1703 db->db->error, db->db->arg1, db->db->arg2);
1704 goto err;
1705 }
1706
1707 if (db->attributes.unique_subject
1708 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1709 LHASH_HASH_FN(index_name),
1710 LHASH_COMP_FN(index_name))) {
1711 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1712 db->db->error, db->db->arg1, db->db->arg2);
1713 goto err;
1714 }
1715 return 1;
1716 err:
1717 ERR_print_errors(bio_err);
1718 return 0;
1719}
1720
1721int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1722{
1723 char buf[3][BSIZE];
1724 BIO *out;
1725 int j;
1726
1727 j = strlen(dbfile) + strlen(suffix);
1728 if (j + 6 >= BSIZE) {
1729 BIO_printf(bio_err, "File name too long\n");
1730 goto err;
1731 }
1732#ifndef OPENSSL_SYS_VMS
1733 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1734 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1735 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1736#else
1737 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1738 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1739 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1740#endif
1741 out = BIO_new_file(buf[0], "w");
1742 if (out == NULL) {
1743 perror(dbfile);
1744 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1745 goto err;
1746 }
1747 j = TXT_DB_write(out, db->db);
1748 BIO_free(out);
1749 if (j <= 0)
1750 goto err;
1751
1752 out = BIO_new_file(buf[1], "w");
1753 if (out == NULL) {
1754 perror(buf[2]);
1755 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1756 goto err;
1757 }
1758 BIO_printf(out, "unique_subject = %s\n",
1759 db->attributes.unique_subject ? "yes" : "no");
1760 BIO_free(out);
1761
1762 return 1;
1763 err:
1764 ERR_print_errors(bio_err);
1765 return 0;
1766}
1767
1768int rotate_index(const char *dbfile, const char *new_suffix,
1769 const char *old_suffix)
1770{
1771 char buf[5][BSIZE];
1772 int i, j;
1773
1774 i = strlen(dbfile) + strlen(old_suffix);
1775 j = strlen(dbfile) + strlen(new_suffix);
1776 if (i > j)
1777 j = i;
1778 if (j + 6 >= BSIZE) {
1779 BIO_printf(bio_err, "File name too long\n");
1780 goto err;
1781 }
1782#ifndef OPENSSL_SYS_VMS
1783 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1784 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1785 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1786 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1787 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1788#else
1789 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1790 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1791 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1792 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1793 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1794#endif
1795 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1796#ifdef ENOTDIR
1797 && errno != ENOTDIR
1798#endif
1799 ) {
1800 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1801 perror("reason");
1802 goto err;
1803 }
1804 if (rename(buf[0], dbfile) < 0) {
1805 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1806 perror("reason");
1807 rename(buf[1], dbfile);
1808 goto err;
1809 }
1810 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1811#ifdef ENOTDIR
1812 && errno != ENOTDIR
1813#endif
1814 ) {
1815 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1816 perror("reason");
1817 rename(dbfile, buf[0]);
1818 rename(buf[1], dbfile);
1819 goto err;
1820 }
1821 if (rename(buf[2], buf[4]) < 0) {
1822 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1823 perror("reason");
1824 rename(buf[3], buf[4]);
1825 rename(dbfile, buf[0]);
1826 rename(buf[1], dbfile);
1827 goto err;
1828 }
1829 return 1;
1830 err:
1831 ERR_print_errors(bio_err);
1832 return 0;
1833}
1834
1835void free_index(CA_DB *db)
1836{
1837 if (db) {
1838 TXT_DB_free(db->db);
1839 OPENSSL_free(db->dbfname);
1840 OPENSSL_free(db);
1841 }
1842}
1843
1844int parse_yesno(const char *str, int def)
1845{
1846 if (str) {
1847 switch (*str) {
1848 case 'f': /* false */
1849 case 'F': /* FALSE */
1850 case 'n': /* no */
1851 case 'N': /* NO */
1852 case '0': /* 0 */
1853 return 0;
1854 case 't': /* true */
1855 case 'T': /* TRUE */
1856 case 'y': /* yes */
1857 case 'Y': /* YES */
1858 case '1': /* 1 */
1859 return 1;
1860 }
1861 }
1862 return def;
1863}
1864
1865/*
1866 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1867 * where + can be used instead of / to form multi-valued RDNs if canmulti
1868 * and characters may be escaped by \
1869 */
1870X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1871 const char *desc)
1872{
1873 int nextismulti = 0;
1874 char *work;
1875 X509_NAME *n;
1876
1877 if (*cp++ != '/') {
1878 BIO_printf(bio_err,
1879 "%s: %s name is expected to be in the format "
1880 "/type0=value0/type1=value1/type2=... where characters may "
1881 "be escaped by \\. This name is not in that format: '%s'\n",
1882 opt_getprog(), desc, --cp);
1883 return NULL;
1884 }
1885
1886 n = X509_NAME_new();
1887 if (n == NULL) {
1888 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1889 return NULL;
1890 }
1891 work = OPENSSL_strdup(cp);
1892 if (work == NULL) {
1893 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1894 opt_getprog(), desc);
1895 goto err;
1896 }
1897
1898 while (*cp != '\0') {
1899 char *bp = work;
1900 char *typestr = bp;
1901 unsigned char *valstr;
1902 int nid;
1903 int ismulti = nextismulti;
1904 nextismulti = 0;
1905
1906 /* Collect the type */
1907 while (*cp != '\0' && *cp != '=')
1908 *bp++ = *cp++;
1909 *bp++ = '\0';
1910 if (*cp == '\0') {
1911 BIO_printf(bio_err,
1912 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1913 opt_getprog(), typestr, desc);
1914 goto err;
1915 }
1916 ++cp;
1917
1918 /* Collect the value. */
1919 valstr = (unsigned char *)bp;
1920 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1921 /* unescaped '+' symbol string signals further member of multiRDN */
1922 if (canmulti && *cp == '+') {
1923 nextismulti = 1;
1924 break;
1925 }
1926 if (*cp == '\\' && *++cp == '\0') {
1927 BIO_printf(bio_err,
1928 "%s: Escape character at end of %s name string\n",
1929 opt_getprog(), desc);
1930 goto err;
1931 }
1932 }
1933 *bp++ = '\0';
1934
1935 /* If not at EOS (must be + or /), move forward. */
1936 if (*cp != '\0')
1937 ++cp;
1938
1939 /* Parse */
1940 nid = OBJ_txt2nid(typestr);
1941 if (nid == NID_undef) {
1942 BIO_printf(bio_err,
1943 "%s: Skipping unknown %s name attribute \"%s\"\n",
1944 opt_getprog(), desc, typestr);
1945 if (ismulti)
1946 BIO_printf(bio_err,
1947 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1948 continue;
1949 }
1950 if (*valstr == '\0') {
1951 BIO_printf(bio_err,
1952 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1953 opt_getprog(), desc, typestr);
1954 continue;
1955 }
1956 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1957 valstr, strlen((char *)valstr),
1958 -1, ismulti ? -1 : 0)) {
1959 ERR_print_errors(bio_err);
1960 BIO_printf(bio_err,
1961 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1962 opt_getprog(), desc, typestr ,valstr);
1963 goto err;
1964 }
1965 }
1966
1967 OPENSSL_free(work);
1968 return n;
1969
1970 err:
1971 X509_NAME_free(n);
1972 OPENSSL_free(work);
1973 return NULL;
1974}
1975
1976/*
1977 * Read whole contents of a BIO into an allocated memory buffer and return
1978 * it.
1979 */
1980
1981int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1982{
1983 BIO *mem;
1984 int len, ret;
1985 unsigned char tbuf[1024];
1986
1987 mem = BIO_new(BIO_s_mem());
1988 if (mem == NULL)
1989 return -1;
1990 for (;;) {
1991 if ((maxlen != -1) && maxlen < 1024)
1992 len = maxlen;
1993 else
1994 len = 1024;
1995 len = BIO_read(in, tbuf, len);
1996 if (len < 0) {
1997 BIO_free(mem);
1998 return -1;
1999 }
2000 if (len == 0)
2001 break;
2002 if (BIO_write(mem, tbuf, len) != len) {
2003 BIO_free(mem);
2004 return -1;
2005 }
2006 if (maxlen != -1)
2007 maxlen -= len;
2008
2009 if (maxlen == 0)
2010 break;
2011 }
2012 ret = BIO_get_mem_data(mem, (char **)out);
2013 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2014 BIO_free(mem);
2015 return ret;
2016}
2017
2018int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2019{
2020 int rv = 0;
2021 char *stmp, *vtmp = NULL;
2022
2023 stmp = OPENSSL_strdup(value);
2024 if (stmp == NULL)
2025 return -1;
2026 vtmp = strchr(stmp, ':');
2027 if (vtmp == NULL)
2028 goto err;
2029
2030 *vtmp = 0;
2031 vtmp++;
2032 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2033
2034 err:
2035 OPENSSL_free(stmp);
2036 return rv;
2037}
2038
2039static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2040{
2041 X509_POLICY_NODE *node;
2042 int i;
2043
2044 BIO_printf(bio_err, "%s Policies:", name);
2045 if (nodes) {
2046 BIO_puts(bio_err, "\n");
2047 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2048 node = sk_X509_POLICY_NODE_value(nodes, i);
2049 X509_POLICY_NODE_print(bio_err, node, 2);
2050 }
2051 } else {
2052 BIO_puts(bio_err, " <empty>\n");
2053 }
2054}
2055
2056void policies_print(X509_STORE_CTX *ctx)
2057{
2058 X509_POLICY_TREE *tree;
2059 int explicit_policy;
2060 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2061 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2062
2063 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2064 explicit_policy ? "True" : "False");
2065
2066 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2067 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2068}
2069
2070/*-
2071 * next_protos_parse parses a comma separated list of strings into a string
2072 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2073 * outlen: (output) set to the length of the resulting buffer on success.
2074 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2075 * in: a NUL terminated string like "abc,def,ghi"
2076 *
2077 * returns: a malloc'd buffer or NULL on failure.
2078 */
2079unsigned char *next_protos_parse(size_t *outlen, const char *in)
2080{
2081 size_t len;
2082 unsigned char *out;
2083 size_t i, start = 0;
2084 size_t skipped = 0;
2085
2086 len = strlen(in);
2087 if (len == 0 || len >= 65535)
2088 return NULL;
2089
2090 out = app_malloc(len + 1, "NPN buffer");
2091 for (i = 0; i <= len; ++i) {
2092 if (i == len || in[i] == ',') {
2093 /*
2094 * Zero-length ALPN elements are invalid on the wire, we could be
2095 * strict and reject the entire string, but just ignoring extra
2096 * commas seems harmless and more friendly.
2097 *
2098 * Every comma we skip in this way puts the input buffer another
2099 * byte ahead of the output buffer, so all stores into the output
2100 * buffer need to be decremented by the number commas skipped.
2101 */
2102 if (i == start) {
2103 ++start;
2104 ++skipped;
2105 continue;
2106 }
2107 if (i - start > 255) {
2108 OPENSSL_free(out);
2109 return NULL;
2110 }
2111 out[start-skipped] = (unsigned char)(i - start);
2112 start = i + 1;
2113 } else {
2114 out[i + 1 - skipped] = in[i];
2115 }
2116 }
2117
2118 if (len <= skipped) {
2119 OPENSSL_free(out);
2120 return NULL;
2121 }
2122
2123 *outlen = len + 1 - skipped;
2124 return out;
2125}
2126
2127void print_cert_checks(BIO *bio, X509 *x,
2128 const char *checkhost,
2129 const char *checkemail, const char *checkip)
2130{
2131 if (x == NULL)
2132 return;
2133 if (checkhost) {
2134 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2135 checkhost,
2136 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2137 ? "" : " NOT");
2138 }
2139
2140 if (checkemail) {
2141 BIO_printf(bio, "Email %s does%s match certificate\n",
2142 checkemail, X509_check_email(x, checkemail, 0, 0)
2143 ? "" : " NOT");
2144 }
2145
2146 if (checkip) {
2147 BIO_printf(bio, "IP %s does%s match certificate\n",
2148 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2149 }
2150}
2151
2152static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2153{
2154 int i;
2155
2156 if (opts == NULL)
2157 return 1;
2158
2159 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2160 char *opt = sk_OPENSSL_STRING_value(opts, i);
2161 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2162 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2163 ERR_print_errors(bio_err);
2164 return 0;
2165 }
2166 }
2167
2168 return 1;
2169}
2170
2171static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2172{
2173 int i;
2174
2175 if (opts == NULL)
2176 return 1;
2177
2178 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2179 char *opt = sk_OPENSSL_STRING_value(opts, i);
2180 if (x509_ctrl_string(x, opt) <= 0) {
2181 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2182 ERR_print_errors(bio_err);
2183 return 0;
2184 }
2185 }
2186
2187 return 1;
2188}
2189
2190static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2191{
2192 int i;
2193
2194 if (opts == NULL)
2195 return 1;
2196
2197 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2198 char *opt = sk_OPENSSL_STRING_value(opts, i);
2199 if (x509_req_ctrl_string(x, opt) <= 0) {
2200 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2201 ERR_print_errors(bio_err);
2202 return 0;
2203 }
2204 }
2205
2206 return 1;
2207}
2208
2209static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2210 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2211{
2212 EVP_PKEY_CTX *pkctx = NULL;
2213 char def_md[80];
2214
2215 if (ctx == NULL)
2216 return 0;
2217 /*
2218 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2219 * for this algorithm.
2220 */
2221 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2222 && strcmp(def_md, "UNDEF") == 0) {
2223 /* The signing algorithm requires there to be no digest */
2224 md = NULL;
2225 }
2226
2227 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2228 app_get0_propq(), pkey, NULL)
2229 && do_pkey_ctx_init(pkctx, sigopts);
2230}
2231
2232static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2233 const char *name, const char *value, int add_default)
2234{
2235 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2236 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2237 int idx, rv = 0;
2238
2239 if (new_ext == NULL)
2240 return rv;
2241
2242 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2243 if (idx >= 0) {
2244 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2245 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2246 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2247
2248 if (disabled) {
2249 X509_delete_ext(cert, idx);
2250 X509_EXTENSION_free(found_ext);
2251 } /* else keep existing key identifier, which might be outdated */
2252 rv = 1;
2253 } else {
2254 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2255 }
2256 X509_EXTENSION_free(new_ext);
2257 return rv;
2258}
2259
2260/* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2261int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2262 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2263{
2264 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2265 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2266 int self_sign;
2267 int rv = 0;
2268
2269 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2270 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2271 if (!X509_set_version(cert, X509_VERSION_3))
2272 goto end;
2273
2274 /*
2275 * Add default SKID before such that default AKID can make use of it
2276 * in case the certificate is self-signed
2277 */
2278 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2279 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2280 goto end;
2281 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2282 ERR_set_mark();
2283 self_sign = X509_check_private_key(cert, pkey);
2284 ERR_pop_to_mark();
2285 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2286 "keyid, issuer", !self_sign))
2287 goto end;
2288 }
2289
2290 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2291 rv = (X509_sign_ctx(cert, mctx) > 0);
2292 end:
2293 EVP_MD_CTX_free(mctx);
2294 return rv;
2295}
2296
2297/* Sign the certificate request info */
2298int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2299 STACK_OF(OPENSSL_STRING) *sigopts)
2300{
2301 int rv = 0;
2302 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2303
2304 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2305 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2306 EVP_MD_CTX_free(mctx);
2307 return rv;
2308}
2309
2310/* Sign the CRL info */
2311int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2312 STACK_OF(OPENSSL_STRING) *sigopts)
2313{
2314 int rv = 0;
2315 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2316
2317 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2318 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2319 EVP_MD_CTX_free(mctx);
2320 return rv;
2321}
2322
2323/*
2324 * do_X509_verify returns 1 if the signature is valid,
2325 * 0 if the signature check fails, or -1 if error occurs.
2326 */
2327int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2328{
2329 int rv = 0;
2330
2331 if (do_x509_init(x, vfyopts) > 0)
2332 rv = X509_verify(x, pkey);
2333 else
2334 rv = -1;
2335 return rv;
2336}
2337
2338/*
2339 * do_X509_REQ_verify returns 1 if the signature is valid,
2340 * 0 if the signature check fails, or -1 if error occurs.
2341 */
2342int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2343 STACK_OF(OPENSSL_STRING) *vfyopts)
2344{
2345 int rv = 0;
2346
2347 if (do_x509_req_init(x, vfyopts) > 0)
2348 rv = X509_REQ_verify_ex(x, pkey,
2349 app_get0_libctx(), app_get0_propq());
2350 else
2351 rv = -1;
2352 return rv;
2353}
2354
2355/* Get first http URL from a DIST_POINT structure */
2356
2357static const char *get_dp_url(DIST_POINT *dp)
2358{
2359 GENERAL_NAMES *gens;
2360 GENERAL_NAME *gen;
2361 int i, gtype;
2362 ASN1_STRING *uri;
2363 if (!dp->distpoint || dp->distpoint->type != 0)
2364 return NULL;
2365 gens = dp->distpoint->name.fullname;
2366 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2367 gen = sk_GENERAL_NAME_value(gens, i);
2368 uri = GENERAL_NAME_get0_value(gen, &gtype);
2369 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2370 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2371
2372 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2373 return uptr;
2374 }
2375 }
2376 return NULL;
2377}
2378
2379/*
2380 * Look through a CRLDP structure and attempt to find an http URL to
2381 * downloads a CRL from.
2382 */
2383
2384static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2385{
2386 int i;
2387 const char *urlptr = NULL;
2388 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2389 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2390 urlptr = get_dp_url(dp);
2391 if (urlptr != NULL)
2392 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2393 }
2394 return NULL;
2395}
2396
2397/*
2398 * Example of downloading CRLs from CRLDP:
2399 * not usable for real world as it always downloads and doesn't cache anything.
2400 */
2401
2402static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2403 const X509_NAME *nm)
2404{
2405 X509 *x;
2406 STACK_OF(X509_CRL) *crls = NULL;
2407 X509_CRL *crl;
2408 STACK_OF(DIST_POINT) *crldp;
2409
2410 crls = sk_X509_CRL_new_null();
2411 if (!crls)
2412 return NULL;
2413 x = X509_STORE_CTX_get_current_cert(ctx);
2414 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2415 crl = load_crl_crldp(crldp);
2416 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2417 if (!crl) {
2418 sk_X509_CRL_free(crls);
2419 return NULL;
2420 }
2421 sk_X509_CRL_push(crls, crl);
2422 /* Try to download delta CRL */
2423 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2424 crl = load_crl_crldp(crldp);
2425 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2426 if (crl)
2427 sk_X509_CRL_push(crls, crl);
2428 return crls;
2429}
2430
2431void store_setup_crl_download(X509_STORE *st)
2432{
2433 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2434}
2435
2436#ifndef OPENSSL_NO_SOCK
2437static const char *tls_error_hint(void)
2438{
2439 unsigned long err = ERR_peek_error();
2440
2441 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2442 err = ERR_peek_last_error();
2443 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2444 return NULL;
2445
2446 switch (ERR_GET_REASON(err)) {
2447 case SSL_R_WRONG_VERSION_NUMBER:
2448 return "The server does not support (a suitable version of) TLS";
2449 case SSL_R_UNKNOWN_PROTOCOL:
2450 return "The server does not support HTTPS";
2451 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2452 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2453 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2454 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2455 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2456 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2457 default: /* no error or no hint available for error */
2458 return NULL;
2459 }
2460}
2461
2462/* HTTP callback function that supports TLS connection also via HTTPS proxy */
2463BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2464{
2465 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2466 SSL_CTX *ssl_ctx = info->ssl_ctx;
2467
2468 if (ssl_ctx == NULL) /* not using TLS */
2469 return bio;
2470 if (connect) {
2471 SSL *ssl;
2472 BIO *sbio = NULL;
2473 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2474 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2475 const char *host = vpm == NULL ? NULL :
2476 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2477
2478 /* adapt after fixing callback design flaw, see #17088 */
2479 if ((info->use_proxy
2480 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2481 NULL, NULL, /* no proxy credentials */
2482 info->timeout, bio_err, opt_getprog()))
2483 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2484 return NULL;
2485 }
2486 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2487 BIO_free(sbio);
2488 return NULL;
2489 }
2490
2491 if (vpm != NULL)
2492 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2493
2494 SSL_set_connect_state(ssl);
2495 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2496
2497 bio = BIO_push(sbio, bio);
2498 }
2499 if (!connect) {
2500 const char *hint;
2501 BIO *cbio;
2502
2503 if (!detail) { /* disconnecting after error */
2504 hint = tls_error_hint();
2505 if (hint != NULL)
2506 ERR_add_error_data(2, " : ", hint);
2507 }
2508 if (ssl_ctx != NULL) {
2509 (void)ERR_set_mark();
2510 BIO_ssl_shutdown(bio);
2511 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2512 BIO_free(bio); /* SSL BIO */
2513 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2514 bio = cbio;
2515 }
2516 }
2517 return bio;
2518}
2519
2520void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2521{
2522 if (info != NULL) {
2523 SSL_CTX_free(info->ssl_ctx);
2524 OPENSSL_free(info);
2525 }
2526}
2527
2528ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2529 const char *no_proxy, SSL_CTX *ssl_ctx,
2530 const STACK_OF(CONF_VALUE) *headers,
2531 long timeout, const char *expected_content_type,
2532 const ASN1_ITEM *it)
2533{
2534 APP_HTTP_TLS_INFO info;
2535 char *server;
2536 char *port;
2537 int use_ssl;
2538 BIO *mem;
2539 ASN1_VALUE *resp = NULL;
2540
2541 if (url == NULL || it == NULL) {
2542 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2543 return NULL;
2544 }
2545
2546 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2547 NULL /* port_num, */, NULL, NULL, NULL))
2548 return NULL;
2549 if (use_ssl && ssl_ctx == NULL) {
2550 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2551 "missing SSL_CTX");
2552 goto end;
2553 }
2554 if (!use_ssl && ssl_ctx != NULL) {
2555 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2556 "SSL_CTX given but use_ssl == 0");
2557 goto end;
2558 }
2559
2560 info.server = server;
2561 info.port = port;
2562 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2563 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2564 info.timeout = timeout;
2565 info.ssl_ctx = ssl_ctx;
2566 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2567 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2568 expected_content_type, 1 /* expect_asn1 */,
2569 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2570 resp = ASN1_item_d2i_bio(it, mem, NULL);
2571 BIO_free(mem);
2572
2573 end:
2574 OPENSSL_free(server);
2575 OPENSSL_free(port);
2576 return resp;
2577
2578}
2579
2580ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2581 const char *path, const char *proxy,
2582 const char *no_proxy, SSL_CTX *ssl_ctx,
2583 const STACK_OF(CONF_VALUE) *headers,
2584 const char *content_type,
2585 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2586 const char *expected_content_type,
2587 long timeout, const ASN1_ITEM *rsp_it)
2588{
2589 int use_ssl = ssl_ctx != NULL;
2590 APP_HTTP_TLS_INFO info;
2591 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2592 ASN1_VALUE *res;
2593
2594 if (req_mem == NULL)
2595 return NULL;
2596
2597 info.server = host;
2598 info.port = port;
2599 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2600 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2601 info.timeout = timeout;
2602 info.ssl_ctx = ssl_ctx;
2603 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2604 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2605 app_http_tls_cb, &info,
2606 0 /* buf_size */, headers, content_type, req_mem,
2607 expected_content_type, 1 /* expect_asn1 */,
2608 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2609 0 /* keep_alive */);
2610 BIO_free(req_mem);
2611 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2612 BIO_free(rsp);
2613 return res;
2614}
2615
2616#endif
2617
2618/*
2619 * Platform-specific sections
2620 */
2621#if defined(_WIN32)
2622# ifdef fileno
2623# undef fileno
2624# define fileno(a) (int)_fileno(a)
2625# endif
2626
2627# include <windows.h>
2628# include <tchar.h>
2629
2630static int WIN32_rename(const char *from, const char *to)
2631{
2632 TCHAR *tfrom = NULL, *tto;
2633 DWORD err;
2634 int ret = 0;
2635
2636 if (sizeof(TCHAR) == 1) {
2637 tfrom = (TCHAR *)from;
2638 tto = (TCHAR *)to;
2639 } else { /* UNICODE path */
2640
2641 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2642 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2643 if (tfrom == NULL)
2644 goto err;
2645 tto = tfrom + flen;
2646# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2647 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2648# endif
2649 for (i = 0; i < flen; i++)
2650 tfrom[i] = (TCHAR)from[i];
2651# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2652 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2653# endif
2654 for (i = 0; i < tlen; i++)
2655 tto[i] = (TCHAR)to[i];
2656 }
2657
2658 if (MoveFile(tfrom, tto))
2659 goto ok;
2660 err = GetLastError();
2661 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2662 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2663 goto ok;
2664 err = GetLastError();
2665 }
2666 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2667 errno = ENOENT;
2668 else if (err == ERROR_ACCESS_DENIED)
2669 errno = EACCES;
2670 else
2671 errno = EINVAL; /* we could map more codes... */
2672 err:
2673 ret = -1;
2674 ok:
2675 if (tfrom != NULL && tfrom != (TCHAR *)from)
2676 free(tfrom);
2677 return ret;
2678}
2679#endif
2680
2681/* app_tminterval section */
2682#if defined(_WIN32)
2683double app_tminterval(int stop, int usertime)
2684{
2685 FILETIME now;
2686 double ret = 0;
2687 static ULARGE_INTEGER tmstart;
2688 static int warning = 1;
2689# ifdef _WIN32_WINNT
2690 static HANDLE proc = NULL;
2691
2692 if (proc == NULL) {
2693 if (check_winnt())
2694 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2695 GetCurrentProcessId());
2696 if (proc == NULL)
2697 proc = (HANDLE) - 1;
2698 }
2699
2700 if (usertime && proc != (HANDLE) - 1) {
2701 FILETIME junk;
2702 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2703 } else
2704# endif
2705 {
2706 SYSTEMTIME systime;
2707
2708 if (usertime && warning) {
2709 BIO_printf(bio_err, "To get meaningful results, run "
2710 "this program on idle system.\n");
2711 warning = 0;
2712 }
2713 GetSystemTime(&systime);
2714 SystemTimeToFileTime(&systime, &now);
2715 }
2716
2717 if (stop == TM_START) {
2718 tmstart.u.LowPart = now.dwLowDateTime;
2719 tmstart.u.HighPart = now.dwHighDateTime;
2720 } else {
2721 ULARGE_INTEGER tmstop;
2722
2723 tmstop.u.LowPart = now.dwLowDateTime;
2724 tmstop.u.HighPart = now.dwHighDateTime;
2725
2726 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2727 }
2728
2729 return ret;
2730}
2731#elif defined(OPENSSL_SYS_VXWORKS)
2732# include <time.h>
2733
2734double app_tminterval(int stop, int usertime)
2735{
2736 double ret = 0;
2737# ifdef CLOCK_REALTIME
2738 static struct timespec tmstart;
2739 struct timespec now;
2740# else
2741 static unsigned long tmstart;
2742 unsigned long now;
2743# endif
2744 static int warning = 1;
2745
2746 if (usertime && warning) {
2747 BIO_printf(bio_err, "To get meaningful results, run "
2748 "this program on idle system.\n");
2749 warning = 0;
2750 }
2751# ifdef CLOCK_REALTIME
2752 clock_gettime(CLOCK_REALTIME, &now);
2753 if (stop == TM_START)
2754 tmstart = now;
2755 else
2756 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2757 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2758# else
2759 now = tickGet();
2760 if (stop == TM_START)
2761 tmstart = now;
2762 else
2763 ret = (now - tmstart) / (double)sysClkRateGet();
2764# endif
2765 return ret;
2766}
2767
2768#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2769# include <sys/times.h>
2770
2771double app_tminterval(int stop, int usertime)
2772{
2773 double ret = 0;
2774 struct tms rus;
2775 clock_t now = times(&rus);
2776 static clock_t tmstart;
2777
2778 if (usertime)
2779 now = rus.tms_utime;
2780
2781 if (stop == TM_START) {
2782 tmstart = now;
2783 } else {
2784 long int tck = sysconf(_SC_CLK_TCK);
2785 ret = (now - tmstart) / (double)tck;
2786 }
2787
2788 return ret;
2789}
2790
2791#else
2792# include <sys/time.h>
2793# include <sys/resource.h>
2794
2795double app_tminterval(int stop, int usertime)
2796{
2797 double ret = 0;
2798 struct rusage rus;
2799 struct timeval now;
2800 static struct timeval tmstart;
2801
2802 if (usertime)
2803 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2804 else
2805 gettimeofday(&now, NULL);
2806
2807 if (stop == TM_START)
2808 tmstart = now;
2809 else
2810 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2811 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2812
2813 return ret;
2814}
2815#endif
2816
2817int app_access(const char* name, int flag)
2818{
2819#ifdef _WIN32
2820 return _access(name, flag);
2821#else
2822 return access(name, flag);
2823#endif
2824}
2825
2826int app_isdir(const char *name)
2827{
2828 return opt_isdir(name);
2829}
2830
2831/* raw_read|write section */
2832#if defined(__VMS)
2833# include "vms_term_sock.h"
2834static int stdin_sock = -1;
2835
2836static void close_stdin_sock(void)
2837{
2838 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2839}
2840
2841int fileno_stdin(void)
2842{
2843 if (stdin_sock == -1) {
2844 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2845 atexit(close_stdin_sock);
2846 }
2847
2848 return stdin_sock;
2849}
2850#else
2851int fileno_stdin(void)
2852{
2853 return fileno(stdin);
2854}
2855#endif
2856
2857int fileno_stdout(void)
2858{
2859 return fileno(stdout);
2860}
2861
2862#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2863int raw_read_stdin(void *buf, int siz)
2864{
2865 DWORD n;
2866 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2867 return n;
2868 else
2869 return -1;
2870}
2871#elif defined(__VMS)
2872# include <sys/socket.h>
2873
2874int raw_read_stdin(void *buf, int siz)
2875{
2876 return recv(fileno_stdin(), buf, siz, 0);
2877}
2878#else
2879# if defined(__TANDEM)
2880# if defined(OPENSSL_TANDEM_FLOSS)
2881# include <floss.h(floss_read)>
2882# endif
2883# endif
2884int raw_read_stdin(void *buf, int siz)
2885{
2886 return read(fileno_stdin(), buf, siz);
2887}
2888#endif
2889
2890#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2891int raw_write_stdout(const void *buf, int siz)
2892{
2893 DWORD n;
2894 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2895 return n;
2896 else
2897 return -1;
2898}
2899#elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2900# if defined(__TANDEM)
2901# if defined(OPENSSL_TANDEM_FLOSS)
2902# include <floss.h(floss_write)>
2903# endif
2904# endif
2905int raw_write_stdout(const void *buf,int siz)
2906{
2907 return write(fileno(stdout),(void*)buf,siz);
2908}
2909#else
2910# if defined(__TANDEM)
2911# if defined(OPENSSL_TANDEM_FLOSS)
2912# include <floss.h(floss_write)>
2913# endif
2914# endif
2915int raw_write_stdout(const void *buf, int siz)
2916{
2917 return write(fileno_stdout(), buf, siz);
2918}
2919#endif
2920
2921/*
2922 * Centralized handling of input and output files with format specification
2923 * The format is meant to show what the input and output is supposed to be,
2924 * and is therefore a show of intent more than anything else. However, it
2925 * does impact behavior on some platforms, such as differentiating between
2926 * text and binary input/output on non-Unix platforms
2927 */
2928BIO *dup_bio_in(int format)
2929{
2930 return BIO_new_fp(stdin,
2931 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2932}
2933
2934BIO *dup_bio_out(int format)
2935{
2936 BIO *b = BIO_new_fp(stdout,
2937 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2938 void *prefix = NULL;
2939
2940 if (b == NULL)
2941 return NULL;
2942
2943#ifdef OPENSSL_SYS_VMS
2944 if (FMT_istext(format))
2945 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2946#endif
2947
2948 if (FMT_istext(format)
2949 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2950 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2951 BIO_set_prefix(b, prefix);
2952 }
2953
2954 return b;
2955}
2956
2957BIO *dup_bio_err(int format)
2958{
2959 BIO *b = BIO_new_fp(stderr,
2960 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2961#ifdef OPENSSL_SYS_VMS
2962 if (b != NULL && FMT_istext(format))
2963 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2964#endif
2965 return b;
2966}
2967
2968void unbuffer(FILE *fp)
2969{
2970/*
2971 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2972 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2973 * However, we trust that the C RTL will never give us a FILE pointer
2974 * above the first 4 GB of memory, so we simply turn off the warning
2975 * temporarily.
2976 */
2977#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2978# pragma environment save
2979# pragma message disable maylosedata2
2980#endif
2981 setbuf(fp, NULL);
2982#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2983# pragma environment restore
2984#endif
2985}
2986
2987static const char *modestr(char mode, int format)
2988{
2989 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2990
2991 switch (mode) {
2992 case 'a':
2993 return FMT_istext(format) ? "a" : "ab";
2994 case 'r':
2995 return FMT_istext(format) ? "r" : "rb";
2996 case 'w':
2997 return FMT_istext(format) ? "w" : "wb";
2998 }
2999 /* The assert above should make sure we never reach this point */
3000 return NULL;
3001}
3002
3003static const char *modeverb(char mode)
3004{
3005 switch (mode) {
3006 case 'a':
3007 return "appending";
3008 case 'r':
3009 return "reading";
3010 case 'w':
3011 return "writing";
3012 }
3013 return "(doing something)";
3014}
3015
3016/*
3017 * Open a file for writing, owner-read-only.
3018 */
3019BIO *bio_open_owner(const char *filename, int format, int private)
3020{
3021 FILE *fp = NULL;
3022 BIO *b = NULL;
3023 int textmode, bflags;
3024#ifndef OPENSSL_NO_POSIX_IO
3025 int fd = -1, mode;
3026#endif
3027
3028 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3029 return bio_open_default(filename, 'w', format);
3030
3031 textmode = FMT_istext(format);
3032#ifndef OPENSSL_NO_POSIX_IO
3033 mode = O_WRONLY;
3034# ifdef O_CREAT
3035 mode |= O_CREAT;
3036# endif
3037# ifdef O_TRUNC
3038 mode |= O_TRUNC;
3039# endif
3040 if (!textmode) {
3041# ifdef O_BINARY
3042 mode |= O_BINARY;
3043# elif defined(_O_BINARY)
3044 mode |= _O_BINARY;
3045# endif
3046 }
3047
3048# ifdef OPENSSL_SYS_VMS
3049 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
3050 * it still needs to know that we're going binary, or fdopen()
3051 * will fail with "invalid argument"... so we tell VMS what the
3052 * context is.
3053 */
3054 if (!textmode)
3055 fd = open(filename, mode, 0600, "ctx=bin");
3056 else
3057# endif
3058 fd = open(filename, mode, 0600);
3059 if (fd < 0)
3060 goto err;
3061 fp = fdopen(fd, modestr('w', format));
3062#else /* OPENSSL_NO_POSIX_IO */
3063 /* Have stdio but not Posix IO, do the best we can */
3064 fp = fopen(filename, modestr('w', format));
3065#endif /* OPENSSL_NO_POSIX_IO */
3066 if (fp == NULL)
3067 goto err;
3068 bflags = BIO_CLOSE;
3069 if (textmode)
3070 bflags |= BIO_FP_TEXT;
3071 b = BIO_new_fp(fp, bflags);
3072 if (b != NULL)
3073 return b;
3074
3075 err:
3076 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3077 opt_getprog(), filename, strerror(errno));
3078 ERR_print_errors(bio_err);
3079 /* If we have fp, then fdopen took over fd, so don't close both. */
3080 if (fp != NULL)
3081 fclose(fp);
3082#ifndef OPENSSL_NO_POSIX_IO
3083 else if (fd >= 0)
3084 close(fd);
3085#endif
3086 return NULL;
3087}
3088
3089static BIO *bio_open_default_(const char *filename, char mode, int format,
3090 int quiet)
3091{
3092 BIO *ret;
3093
3094 if (filename == NULL || strcmp(filename, "-") == 0) {
3095 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3096 if (quiet) {
3097 ERR_clear_error();
3098 return ret;
3099 }
3100 if (ret != NULL)
3101 return ret;
3102 BIO_printf(bio_err,
3103 "Can't open %s, %s\n",
3104 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3105 } else {
3106 ret = BIO_new_file(filename, modestr(mode, format));
3107 if (quiet) {
3108 ERR_clear_error();
3109 return ret;
3110 }
3111 if (ret != NULL)
3112 return ret;
3113 BIO_printf(bio_err,
3114 "Can't open \"%s\" for %s, %s\n",
3115 filename, modeverb(mode), strerror(errno));
3116 }
3117 ERR_print_errors(bio_err);
3118 return NULL;
3119}
3120
3121BIO *bio_open_default(const char *filename, char mode, int format)
3122{
3123 return bio_open_default_(filename, mode, format, 0);
3124}
3125
3126BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3127{
3128 return bio_open_default_(filename, mode, format, 1);
3129}
3130
3131void wait_for_async(SSL *s)
3132{
3133 /* On Windows select only works for sockets, so we simply don't wait */
3134#ifndef OPENSSL_SYS_WINDOWS
3135 int width = 0;
3136 fd_set asyncfds;
3137 OSSL_ASYNC_FD *fds;
3138 size_t numfds;
3139 size_t i;
3140
3141 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3142 return;
3143 if (numfds == 0)
3144 return;
3145 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3146 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3147 OPENSSL_free(fds);
3148 return;
3149 }
3150
3151 FD_ZERO(&asyncfds);
3152 for (i = 0; i < numfds; i++) {
3153 if (width <= (int)fds[i])
3154 width = (int)fds[i] + 1;
3155 openssl_fdset((int)fds[i], &asyncfds);
3156 }
3157 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3158 OPENSSL_free(fds);
3159#endif
3160}
3161
3162/* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3163#if defined(OPENSSL_SYS_MSDOS)
3164int has_stdin_waiting(void)
3165{
3166# if defined(OPENSSL_SYS_WINDOWS)
3167 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3168 DWORD events = 0;
3169 INPUT_RECORD inputrec;
3170 DWORD insize = 1;
3171 BOOL peeked;
3172
3173 if (inhand == INVALID_HANDLE_VALUE) {
3174 return 0;
3175 }
3176
3177 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3178 if (!peeked) {
3179 /* Probably redirected input? _kbhit() does not work in this case */
3180 if (!feof(stdin)) {
3181 return 1;
3182 }
3183 return 0;
3184 }
3185# endif
3186 return _kbhit();
3187}
3188#endif
3189
3190/* Corrupt a signature by modifying final byte */
3191void corrupt_signature(const ASN1_STRING *signature)
3192{
3193 unsigned char *s = signature->data;
3194 s[signature->length - 1] ^= 0x1;
3195}
3196
3197int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3198 int days)
3199{
3200 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3201 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3202 return 0;
3203 } else {
3204 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3205 return 0;
3206 }
3207 if (enddate == NULL) {
3208 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3209 == NULL)
3210 return 0;
3211 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3212 return 0;
3213 }
3214 return 1;
3215}
3216
3217int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3218{
3219 int ret = 0;
3220 ASN1_TIME *tm = ASN1_TIME_new();
3221
3222 if (tm == NULL)
3223 goto end;
3224
3225 if (lastupdate == NULL) {
3226 if (X509_gmtime_adj(tm, 0) == NULL)
3227 goto end;
3228 } else {
3229 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3230 goto end;
3231 }
3232
3233 if (!X509_CRL_set1_lastUpdate(crl, tm))
3234 goto end;
3235
3236 ret = 1;
3237end:
3238 ASN1_TIME_free(tm);
3239 return ret;
3240}
3241
3242int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3243 long days, long hours, long secs)
3244{
3245 int ret = 0;
3246 ASN1_TIME *tm = ASN1_TIME_new();
3247
3248 if (tm == NULL)
3249 goto end;
3250
3251 if (nextupdate == NULL) {
3252 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3253 goto end;
3254 } else {
3255 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3256 goto end;
3257 }
3258
3259 if (!X509_CRL_set1_nextUpdate(crl, tm))
3260 goto end;
3261
3262 ret = 1;
3263end:
3264 ASN1_TIME_free(tm);
3265 return ret;
3266}
3267
3268void make_uppercase(char *string)
3269{
3270 int i;
3271
3272 for (i = 0; string[i] != '\0'; i++)
3273 string[i] = toupper((unsigned char)string[i]);
3274}
3275
3276/* This function is defined here due to visibility of bio_err */
3277int opt_printf_stderr(const char *fmt, ...)
3278{
3279 va_list ap;
3280 int ret;
3281
3282 va_start(ap, fmt);
3283 ret = BIO_vprintf(bio_err, fmt, ap);
3284 va_end(ap);
3285 return ret;
3286}
3287
3288OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3289 const OSSL_PARAM *paramdefs)
3290{
3291 OSSL_PARAM *params = NULL;
3292 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3293 size_t params_n;
3294 char *opt = "", *stmp, *vtmp = NULL;
3295 int found = 1;
3296
3297 if (opts == NULL)
3298 return NULL;
3299
3300 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3301 if (params == NULL)
3302 return NULL;
3303
3304 for (params_n = 0; params_n < sz; params_n++) {
3305 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3306 if ((stmp = OPENSSL_strdup(opt)) == NULL
3307 || (vtmp = strchr(stmp, ':')) == NULL)
3308 goto err;
3309 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3310 *vtmp = 0;
3311 /* Skip over the separator so that vmtp points to the value */
3312 vtmp++;
3313 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3314 stmp, vtmp, strlen(vtmp), &found))
3315 goto err;
3316 OPENSSL_free(stmp);
3317 }
3318 params[params_n] = OSSL_PARAM_construct_end();
3319 return params;
3320err:
3321 OPENSSL_free(stmp);
3322 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3323 opt);
3324 ERR_print_errors(bio_err);
3325 app_params_free(params);
3326 return NULL;
3327}
3328
3329void app_params_free(OSSL_PARAM *params)
3330{
3331 int i;
3332
3333 if (params != NULL) {
3334 for (i = 0; params[i].key != NULL; ++i)
3335 OPENSSL_free(params[i].data);
3336 OPENSSL_free(params);
3337 }
3338}
3339
3340EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3341{
3342 EVP_PKEY *res = NULL;
3343
3344 if (verbose && alg != NULL) {
3345 BIO_printf(bio_err, "Generating %s key", alg);
3346 if (bits > 0)
3347 BIO_printf(bio_err, " with %d bits\n", bits);
3348 else
3349 BIO_printf(bio_err, "\n");
3350 }
3351 if (!RAND_status())
3352 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3353 "if the system has a poor entropy source\n");
3354 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3355 app_bail_out("%s: Error generating %s key\n", opt_getprog(),
3356 alg != NULL ? alg : "asymmetric");
3357 return res;
3358}
3359
3360EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3361{
3362 EVP_PKEY *res = NULL;
3363
3364 if (!RAND_status())
3365 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3366 "if the system has a poor entropy source\n");
3367 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3368 app_bail_out("%s: Generating %s key parameters failed\n",
3369 opt_getprog(), alg != NULL ? alg : "asymmetric");
3370 return res;
3371}
3372
3373/*
3374 * Return non-zero if the legacy path is still an option.
3375 * This decision is based on the global command line operations and the
3376 * behaviour thus far.
3377 */
3378int opt_legacy_okay(void)
3379{
3380 int provider_options = opt_provider_option_given();
3381 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3382 /*
3383 * Having a provider option specified or a custom library context or
3384 * property query, is a sure sign we're not using legacy.
3385 */
3386 if (provider_options || libctx)
3387 return 0;
3388 return 1;
3389}
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