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source: vbox/trunk/src/libs/openssl-3.1.3/apps/lib/apps.c@ 102210

Last change on this file since 102210 was 101211, checked in by vboxsync, 16 months ago

openssl-3.1.3: Applied and adjusted our OpenSSL changes to 3.1.2. bugref:10527
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\n");
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 goto end;
961 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
962 goto end;
963
964 failed = NULL;
965 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
966 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
967 int type, ok = 1;
968
969 /*
970 * This can happen (for example) if we attempt to load a file with
971 * multiple different types of things in it - but the thing we just
972 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
973 * to load a certificate but the file has both the private key and the
974 * certificate in it. We just retry until eof.
975 */
976 if (info == NULL) {
977 continue;
978 }
979
980 type = OSSL_STORE_INFO_get_type(info);
981 switch (type) {
982 case OSSL_STORE_INFO_PKEY:
983 if (ppkey != NULL && *ppkey == NULL) {
984 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
985 cnt_expectations -= ok;
986 }
987 /*
988 * An EVP_PKEY with private parts also holds the public parts,
989 * so if the caller asked for a public key, and we got a private
990 * key, we can still pass it back.
991 */
992 if (ok && ppubkey != NULL && *ppubkey == NULL) {
993 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
994 cnt_expectations -= ok;
995 }
996 break;
997 case OSSL_STORE_INFO_PUBKEY:
998 if (ppubkey != NULL && *ppubkey == NULL) {
999 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
1000 cnt_expectations -= ok;
1001 }
1002 break;
1003 case OSSL_STORE_INFO_PARAMS:
1004 if (pparams != NULL && *pparams == NULL) {
1005 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
1006 cnt_expectations -= ok;
1007 }
1008 break;
1009 case OSSL_STORE_INFO_CERT:
1010 if (pcert != NULL && *pcert == NULL) {
1011 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1012 cnt_expectations -= ok;
1013 }
1014 else if (pcerts != NULL)
1015 ok = X509_add_cert(*pcerts,
1016 OSSL_STORE_INFO_get1_CERT(info),
1017 X509_ADD_FLAG_DEFAULT);
1018 ncerts += ok;
1019 break;
1020 case OSSL_STORE_INFO_CRL:
1021 if (pcrl != NULL && *pcrl == NULL) {
1022 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1023 cnt_expectations -= ok;
1024 }
1025 else if (pcrls != NULL)
1026 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1027 ncrls += ok;
1028 break;
1029 default:
1030 /* skip any other type */
1031 break;
1032 }
1033 OSSL_STORE_INFO_free(info);
1034 if (!ok) {
1035 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1036 BIO_printf(bio_err, "Error reading");
1037 break;
1038 }
1039 }
1040
1041 end:
1042 OSSL_STORE_close(ctx);
1043 if (failed == NULL) {
1044 int any = 0;
1045
1046 if ((ppkey != NULL && *ppkey == NULL)
1047 || (ppubkey != NULL && *ppubkey == NULL)) {
1048 failed = "key";
1049 } else if (pparams != NULL && *pparams == NULL) {
1050 failed = "params";
1051 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1052 if (pcert == NULL)
1053 any = 1;
1054 failed = "cert";
1055 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1056 if (pcrl == NULL)
1057 any = 1;
1058 failed = "CRL";
1059 }
1060 if (failed != NULL)
1061 BIO_printf(bio_err, "Could not read");
1062 if (any)
1063 BIO_printf(bio_err, " any");
1064 }
1065 if (failed != NULL) {
1066 unsigned long err = ERR_peek_last_error();
1067
1068 if (desc != NULL && strstr(desc, failed) != NULL) {
1069 BIO_printf(bio_err, " %s", desc);
1070 } else {
1071 BIO_printf(bio_err, " %s", failed);
1072 if (desc != NULL)
1073 BIO_printf(bio_err, " of %s", desc);
1074 }
1075 if (uri != NULL)
1076 BIO_printf(bio_err, " from %s", uri);
1077 if (ERR_SYSTEM_ERROR(err)) {
1078 /* provide more readable diagnostic output */
1079 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1080 ERR_pop_to_mark();
1081 ERR_set_mark();
1082 }
1083 BIO_printf(bio_err, "\n");
1084 ERR_print_errors(bio_err);
1085 }
1086 if (bio_err == NULL || failed == NULL)
1087 /* clear any suppressed or spurious errors */
1088 ERR_pop_to_mark();
1089 else
1090 ERR_clear_last_mark();
1091 return failed == NULL;
1092}
1093
1094#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1095/* Return error for unknown extensions */
1096#define X509V3_EXT_DEFAULT 0
1097/* Print error for unknown extensions */
1098#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1099/* ASN1 parse unknown extensions */
1100#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1101/* BIO_dump unknown extensions */
1102#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1103
1104#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1105 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1106
1107int set_cert_ex(unsigned long *flags, const char *arg)
1108{
1109 static const NAME_EX_TBL cert_tbl[] = {
1110 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1111 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1112 {"no_header", X509_FLAG_NO_HEADER, 0},
1113 {"no_version", X509_FLAG_NO_VERSION, 0},
1114 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1115 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1116 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1117 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1118 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1119 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1120 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1121 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1122 {"no_aux", X509_FLAG_NO_AUX, 0},
1123 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1124 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1125 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1126 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1127 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1128 {NULL, 0, 0}
1129 };
1130 return set_multi_opts(flags, arg, cert_tbl);
1131}
1132
1133int set_name_ex(unsigned long *flags, const char *arg)
1134{
1135 static const NAME_EX_TBL ex_tbl[] = {
1136 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1137 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1138 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1139 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1140 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1141 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1142 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1143 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1144 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1145 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1146 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1147 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1148 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1149 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1150 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1151 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1152 {"dn_rev", XN_FLAG_DN_REV, 0},
1153 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1154 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1155 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1156 {"align", XN_FLAG_FN_ALIGN, 0},
1157 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1158 {"space_eq", XN_FLAG_SPC_EQ, 0},
1159 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1160 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1161 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1162 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1163 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1164 {NULL, 0, 0}
1165 };
1166 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1167 return 0;
1168 if (*flags != XN_FLAG_COMPAT
1169 && (*flags & XN_FLAG_SEP_MASK) == 0)
1170 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1171 return 1;
1172}
1173
1174int set_dateopt(unsigned long *dateopt, const char *arg)
1175{
1176 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1177 *dateopt = ASN1_DTFLGS_RFC822;
1178 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1179 *dateopt = ASN1_DTFLGS_ISO8601;
1180 else
1181 return 0;
1182 return 1;
1183}
1184
1185int set_ext_copy(int *copy_type, const char *arg)
1186{
1187 if (OPENSSL_strcasecmp(arg, "none") == 0)
1188 *copy_type = EXT_COPY_NONE;
1189 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1190 *copy_type = EXT_COPY_ADD;
1191 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1192 *copy_type = EXT_COPY_ALL;
1193 else
1194 return 0;
1195 return 1;
1196}
1197
1198int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1199{
1200 STACK_OF(X509_EXTENSION) *exts;
1201 int i, ret = 0;
1202
1203 if (x == NULL || req == NULL)
1204 return 0;
1205 if (copy_type == EXT_COPY_NONE)
1206 return 1;
1207 exts = X509_REQ_get_extensions(req);
1208
1209 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1210 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1211 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1212 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1213
1214 /* Does extension exist in target? */
1215 if (idx != -1) {
1216 /* If normal copy don't override existing extension */
1217 if (copy_type == EXT_COPY_ADD)
1218 continue;
1219 /* Delete all extensions of same type */
1220 do {
1221 X509_EXTENSION_free(X509_delete_ext(x, idx));
1222 idx = X509_get_ext_by_OBJ(x, obj, -1);
1223 } while (idx != -1);
1224 }
1225 if (!X509_add_ext(x, ext, -1))
1226 goto end;
1227 }
1228 ret = 1;
1229
1230 end:
1231 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1232 return ret;
1233}
1234
1235static int set_multi_opts(unsigned long *flags, const char *arg,
1236 const NAME_EX_TBL * in_tbl)
1237{
1238 STACK_OF(CONF_VALUE) *vals;
1239 CONF_VALUE *val;
1240 int i, ret = 1;
1241 if (!arg)
1242 return 0;
1243 vals = X509V3_parse_list(arg);
1244 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1245 val = sk_CONF_VALUE_value(vals, i);
1246 if (!set_table_opts(flags, val->name, in_tbl))
1247 ret = 0;
1248 }
1249 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1250 return ret;
1251}
1252
1253static int set_table_opts(unsigned long *flags, const char *arg,
1254 const NAME_EX_TBL * in_tbl)
1255{
1256 char c;
1257 const NAME_EX_TBL *ptbl;
1258 c = arg[0];
1259
1260 if (c == '-') {
1261 c = 0;
1262 arg++;
1263 } else if (c == '+') {
1264 c = 1;
1265 arg++;
1266 } else {
1267 c = 1;
1268 }
1269
1270 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1271 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1272 *flags &= ~ptbl->mask;
1273 if (c)
1274 *flags |= ptbl->flag;
1275 else
1276 *flags &= ~ptbl->flag;
1277 return 1;
1278 }
1279 }
1280 return 0;
1281}
1282
1283void print_name(BIO *out, const char *title, const X509_NAME *nm)
1284{
1285 char *buf;
1286 char mline = 0;
1287 int indent = 0;
1288 unsigned long lflags = get_nameopt();
1289
1290 if (out == NULL)
1291 return;
1292 if (title != NULL)
1293 BIO_puts(out, title);
1294 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1295 mline = 1;
1296 indent = 4;
1297 }
1298 if (lflags == XN_FLAG_COMPAT) {
1299 buf = X509_NAME_oneline(nm, 0, 0);
1300 BIO_puts(out, buf);
1301 BIO_puts(out, "\n");
1302 OPENSSL_free(buf);
1303 } else {
1304 if (mline)
1305 BIO_puts(out, "\n");
1306 X509_NAME_print_ex(out, nm, indent, lflags);
1307 BIO_puts(out, "\n");
1308 }
1309}
1310
1311void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1312 int len, unsigned char *buffer)
1313{
1314 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1315 if (BN_is_zero(in)) {
1316 BIO_printf(out, "\n 0x00");
1317 } else {
1318 int i, l;
1319
1320 l = BN_bn2bin(in, buffer);
1321 for (i = 0; i < l; i++) {
1322 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1323 if (i < l - 1)
1324 BIO_printf(out, "0x%02X,", buffer[i]);
1325 else
1326 BIO_printf(out, "0x%02X", buffer[i]);
1327 }
1328 }
1329 BIO_printf(out, "\n };\n");
1330}
1331
1332void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1333{
1334 int i;
1335
1336 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1337 for (i = 0; i < len; i++) {
1338 if ((i % 10) == 0)
1339 BIO_printf(out, "\n ");
1340 if (i < len - 1)
1341 BIO_printf(out, "0x%02X, ", d[i]);
1342 else
1343 BIO_printf(out, "0x%02X", d[i]);
1344 }
1345 BIO_printf(out, "\n};\n");
1346}
1347
1348X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1349 const char *CApath, int noCApath,
1350 const char *CAstore, int noCAstore)
1351{
1352 X509_STORE *store = X509_STORE_new();
1353 X509_LOOKUP *lookup;
1354 OSSL_LIB_CTX *libctx = app_get0_libctx();
1355 const char *propq = app_get0_propq();
1356
1357 if (store == NULL)
1358 goto end;
1359
1360 if (CAfile != NULL || !noCAfile) {
1361 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1362 if (lookup == NULL)
1363 goto end;
1364 if (CAfile != NULL) {
1365 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1366 libctx, propq) <= 0) {
1367 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1368 goto end;
1369 }
1370 } else {
1371 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1372 libctx, propq);
1373 }
1374 }
1375
1376 if (CApath != NULL || !noCApath) {
1377 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1378 if (lookup == NULL)
1379 goto end;
1380 if (CApath != NULL) {
1381 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1382 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1383 goto end;
1384 }
1385 } else {
1386 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1387 }
1388 }
1389
1390 if (CAstore != NULL || !noCAstore) {
1391 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1392 if (lookup == NULL)
1393 goto end;
1394 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1395 if (CAstore != NULL)
1396 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1397 goto end;
1398 }
1399 }
1400
1401 ERR_clear_error();
1402 return store;
1403 end:
1404 ERR_print_errors(bio_err);
1405 X509_STORE_free(store);
1406 return NULL;
1407}
1408
1409static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1410{
1411 const char *n;
1412
1413 n = a[DB_serial];
1414 while (*n == '0')
1415 n++;
1416 return OPENSSL_LH_strhash(n);
1417}
1418
1419static int index_serial_cmp(const OPENSSL_CSTRING *a,
1420 const OPENSSL_CSTRING *b)
1421{
1422 const char *aa, *bb;
1423
1424 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1425 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1426 return strcmp(aa, bb);
1427}
1428
1429static int index_name_qual(char **a)
1430{
1431 return (a[0][0] == 'V');
1432}
1433
1434static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1435{
1436 return OPENSSL_LH_strhash(a[DB_name]);
1437}
1438
1439int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1440{
1441 return strcmp(a[DB_name], b[DB_name]);
1442}
1443
1444static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1445static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1446static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1447static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1448#undef BSIZE
1449#define BSIZE 256
1450BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1451 ASN1_INTEGER **retai)
1452{
1453 BIO *in = NULL;
1454 BIGNUM *ret = NULL;
1455 char buf[1024];
1456 ASN1_INTEGER *ai = NULL;
1457
1458 ai = ASN1_INTEGER_new();
1459 if (ai == NULL)
1460 goto err;
1461
1462 in = BIO_new_file(serialfile, "r");
1463 if (exists != NULL)
1464 *exists = in != NULL;
1465 if (in == NULL) {
1466 if (!create) {
1467 perror(serialfile);
1468 goto err;
1469 }
1470 ERR_clear_error();
1471 ret = BN_new();
1472 if (ret == NULL) {
1473 BIO_printf(bio_err, "Out of memory\n");
1474 } else if (!rand_serial(ret, ai)) {
1475 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1476 serialfile);
1477 BN_free(ret);
1478 ret = NULL;
1479 }
1480 } else {
1481 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1482 BIO_printf(bio_err, "Unable to load number from %s\n",
1483 serialfile);
1484 goto err;
1485 }
1486 ret = ASN1_INTEGER_to_BN(ai, NULL);
1487 if (ret == NULL) {
1488 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1489 goto err;
1490 }
1491 }
1492
1493 if (ret != NULL && retai != NULL) {
1494 *retai = ai;
1495 ai = NULL;
1496 }
1497 err:
1498 if (ret == NULL)
1499 ERR_print_errors(bio_err);
1500 BIO_free(in);
1501 ASN1_INTEGER_free(ai);
1502 return ret;
1503}
1504
1505int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1506 ASN1_INTEGER **retai)
1507{
1508 char buf[1][BSIZE];
1509 BIO *out = NULL;
1510 int ret = 0;
1511 ASN1_INTEGER *ai = NULL;
1512 int j;
1513
1514 if (suffix == NULL)
1515 j = strlen(serialfile);
1516 else
1517 j = strlen(serialfile) + strlen(suffix) + 1;
1518 if (j >= BSIZE) {
1519 BIO_printf(bio_err, "File name too long\n");
1520 goto err;
1521 }
1522
1523 if (suffix == NULL)
1524 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1525 else {
1526#ifndef OPENSSL_SYS_VMS
1527 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1528#else
1529 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1530#endif
1531 }
1532 out = BIO_new_file(buf[0], "w");
1533 if (out == NULL) {
1534 goto err;
1535 }
1536
1537 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1538 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1539 goto err;
1540 }
1541 i2a_ASN1_INTEGER(out, ai);
1542 BIO_puts(out, "\n");
1543 ret = 1;
1544 if (retai) {
1545 *retai = ai;
1546 ai = NULL;
1547 }
1548 err:
1549 if (!ret)
1550 ERR_print_errors(bio_err);
1551 BIO_free_all(out);
1552 ASN1_INTEGER_free(ai);
1553 return ret;
1554}
1555
1556int rotate_serial(const char *serialfile, const char *new_suffix,
1557 const char *old_suffix)
1558{
1559 char buf[2][BSIZE];
1560 int i, j;
1561
1562 i = strlen(serialfile) + strlen(old_suffix);
1563 j = strlen(serialfile) + strlen(new_suffix);
1564 if (i > j)
1565 j = i;
1566 if (j + 1 >= BSIZE) {
1567 BIO_printf(bio_err, "File name too long\n");
1568 goto err;
1569 }
1570#ifndef OPENSSL_SYS_VMS
1571 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1572 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1573#else
1574 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1575 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1576#endif
1577 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1578#ifdef ENOTDIR
1579 && errno != ENOTDIR
1580#endif
1581 ) {
1582 BIO_printf(bio_err,
1583 "Unable to rename %s to %s\n", serialfile, buf[1]);
1584 perror("reason");
1585 goto err;
1586 }
1587 if (rename(buf[0], serialfile) < 0) {
1588 BIO_printf(bio_err,
1589 "Unable to rename %s to %s\n", buf[0], serialfile);
1590 perror("reason");
1591 rename(buf[1], serialfile);
1592 goto err;
1593 }
1594 return 1;
1595 err:
1596 ERR_print_errors(bio_err);
1597 return 0;
1598}
1599
1600int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1601{
1602 BIGNUM *btmp;
1603 int ret = 0;
1604
1605 btmp = b == NULL ? BN_new() : b;
1606 if (btmp == NULL)
1607 return 0;
1608
1609 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1610 goto error;
1611 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1612 goto error;
1613
1614 ret = 1;
1615
1616 error:
1617
1618 if (btmp != b)
1619 BN_free(btmp);
1620
1621 return ret;
1622}
1623
1624CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1625{
1626 CA_DB *retdb = NULL;
1627 TXT_DB *tmpdb = NULL;
1628 BIO *in;
1629 CONF *dbattr_conf = NULL;
1630 char buf[BSIZE];
1631#ifndef OPENSSL_NO_POSIX_IO
1632 FILE *dbfp;
1633 struct stat dbst;
1634#endif
1635
1636 in = BIO_new_file(dbfile, "r");
1637 if (in == NULL)
1638 goto err;
1639
1640#ifndef OPENSSL_NO_POSIX_IO
1641 BIO_get_fp(in, &dbfp);
1642 if (fstat(fileno(dbfp), &dbst) == -1) {
1643 ERR_raise_data(ERR_LIB_SYS, errno,
1644 "calling fstat(%s)", dbfile);
1645 goto err;
1646 }
1647#endif
1648
1649 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1650 goto err;
1651
1652#ifndef OPENSSL_SYS_VMS
1653 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1654#else
1655 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1656#endif
1657 dbattr_conf = app_load_config_quiet(buf);
1658
1659 retdb = app_malloc(sizeof(*retdb), "new DB");
1660 retdb->db = tmpdb;
1661 tmpdb = NULL;
1662 if (db_attr)
1663 retdb->attributes = *db_attr;
1664 else {
1665 retdb->attributes.unique_subject = 1;
1666 }
1667
1668 if (dbattr_conf) {
1669 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1670 if (p) {
1671 retdb->attributes.unique_subject = parse_yesno(p, 1);
1672 } else {
1673 ERR_clear_error();
1674 }
1675
1676 }
1677
1678 retdb->dbfname = OPENSSL_strdup(dbfile);
1679#ifndef OPENSSL_NO_POSIX_IO
1680 retdb->dbst = dbst;
1681#endif
1682
1683 err:
1684 ERR_print_errors(bio_err);
1685 NCONF_free(dbattr_conf);
1686 TXT_DB_free(tmpdb);
1687 BIO_free_all(in);
1688 return retdb;
1689}
1690
1691/*
1692 * Returns > 0 on success, <= 0 on error
1693 */
1694int index_index(CA_DB *db)
1695{
1696 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1697 LHASH_HASH_FN(index_serial),
1698 LHASH_COMP_FN(index_serial))) {
1699 BIO_printf(bio_err,
1700 "Error creating serial number index:(%ld,%ld,%ld)\n",
1701 db->db->error, db->db->arg1, db->db->arg2);
1702 goto err;
1703 }
1704
1705 if (db->attributes.unique_subject
1706 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1707 LHASH_HASH_FN(index_name),
1708 LHASH_COMP_FN(index_name))) {
1709 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1710 db->db->error, db->db->arg1, db->db->arg2);
1711 goto err;
1712 }
1713 return 1;
1714 err:
1715 ERR_print_errors(bio_err);
1716 return 0;
1717}
1718
1719int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1720{
1721 char buf[3][BSIZE];
1722 BIO *out;
1723 int j;
1724
1725 j = strlen(dbfile) + strlen(suffix);
1726 if (j + 6 >= BSIZE) {
1727 BIO_printf(bio_err, "File name too long\n");
1728 goto err;
1729 }
1730#ifndef OPENSSL_SYS_VMS
1731 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1732 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1733 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1734#else
1735 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1736 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1737 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1738#endif
1739 out = BIO_new_file(buf[0], "w");
1740 if (out == NULL) {
1741 perror(dbfile);
1742 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1743 goto err;
1744 }
1745 j = TXT_DB_write(out, db->db);
1746 BIO_free(out);
1747 if (j <= 0)
1748 goto err;
1749
1750 out = BIO_new_file(buf[1], "w");
1751 if (out == NULL) {
1752 perror(buf[2]);
1753 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1754 goto err;
1755 }
1756 BIO_printf(out, "unique_subject = %s\n",
1757 db->attributes.unique_subject ? "yes" : "no");
1758 BIO_free(out);
1759
1760 return 1;
1761 err:
1762 ERR_print_errors(bio_err);
1763 return 0;
1764}
1765
1766int rotate_index(const char *dbfile, const char *new_suffix,
1767 const char *old_suffix)
1768{
1769 char buf[5][BSIZE];
1770 int i, j;
1771
1772 i = strlen(dbfile) + strlen(old_suffix);
1773 j = strlen(dbfile) + strlen(new_suffix);
1774 if (i > j)
1775 j = i;
1776 if (j + 6 >= BSIZE) {
1777 BIO_printf(bio_err, "File name too long\n");
1778 goto err;
1779 }
1780#ifndef OPENSSL_SYS_VMS
1781 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1782 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1783 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1784 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1785 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1786#else
1787 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1788 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1789 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1790 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1791 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1792#endif
1793 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1794#ifdef ENOTDIR
1795 && errno != ENOTDIR
1796#endif
1797 ) {
1798 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1799 perror("reason");
1800 goto err;
1801 }
1802 if (rename(buf[0], dbfile) < 0) {
1803 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1804 perror("reason");
1805 rename(buf[1], dbfile);
1806 goto err;
1807 }
1808 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1809#ifdef ENOTDIR
1810 && errno != ENOTDIR
1811#endif
1812 ) {
1813 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1814 perror("reason");
1815 rename(dbfile, buf[0]);
1816 rename(buf[1], dbfile);
1817 goto err;
1818 }
1819 if (rename(buf[2], buf[4]) < 0) {
1820 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1821 perror("reason");
1822 rename(buf[3], buf[4]);
1823 rename(dbfile, buf[0]);
1824 rename(buf[1], dbfile);
1825 goto err;
1826 }
1827 return 1;
1828 err:
1829 ERR_print_errors(bio_err);
1830 return 0;
1831}
1832
1833void free_index(CA_DB *db)
1834{
1835 if (db) {
1836 TXT_DB_free(db->db);
1837 OPENSSL_free(db->dbfname);
1838 OPENSSL_free(db);
1839 }
1840}
1841
1842int parse_yesno(const char *str, int def)
1843{
1844 if (str) {
1845 switch (*str) {
1846 case 'f': /* false */
1847 case 'F': /* FALSE */
1848 case 'n': /* no */
1849 case 'N': /* NO */
1850 case '0': /* 0 */
1851 return 0;
1852 case 't': /* true */
1853 case 'T': /* TRUE */
1854 case 'y': /* yes */
1855 case 'Y': /* YES */
1856 case '1': /* 1 */
1857 return 1;
1858 }
1859 }
1860 return def;
1861}
1862
1863/*
1864 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1865 * where + can be used instead of / to form multi-valued RDNs if canmulti
1866 * and characters may be escaped by \
1867 */
1868X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1869 const char *desc)
1870{
1871 int nextismulti = 0;
1872 char *work;
1873 X509_NAME *n;
1874
1875 if (*cp++ != '/') {
1876 BIO_printf(bio_err,
1877 "%s: %s name is expected to be in the format "
1878 "/type0=value0/type1=value1/type2=... where characters may "
1879 "be escaped by \\. This name is not in that format: '%s'\n",
1880 opt_getprog(), desc, --cp);
1881 return NULL;
1882 }
1883
1884 n = X509_NAME_new();
1885 if (n == NULL) {
1886 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1887 return NULL;
1888 }
1889 work = OPENSSL_strdup(cp);
1890 if (work == NULL) {
1891 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1892 opt_getprog(), desc);
1893 goto err;
1894 }
1895
1896 while (*cp != '\0') {
1897 char *bp = work;
1898 char *typestr = bp;
1899 unsigned char *valstr;
1900 int nid;
1901 int ismulti = nextismulti;
1902 nextismulti = 0;
1903
1904 /* Collect the type */
1905 while (*cp != '\0' && *cp != '=')
1906 *bp++ = *cp++;
1907 *bp++ = '\0';
1908 if (*cp == '\0') {
1909 BIO_printf(bio_err,
1910 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1911 opt_getprog(), typestr, desc);
1912 goto err;
1913 }
1914 ++cp;
1915
1916 /* Collect the value. */
1917 valstr = (unsigned char *)bp;
1918 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1919 /* unescaped '+' symbol string signals further member of multiRDN */
1920 if (canmulti && *cp == '+') {
1921 nextismulti = 1;
1922 break;
1923 }
1924 if (*cp == '\\' && *++cp == '\0') {
1925 BIO_printf(bio_err,
1926 "%s: Escape character at end of %s name string\n",
1927 opt_getprog(), desc);
1928 goto err;
1929 }
1930 }
1931 *bp++ = '\0';
1932
1933 /* If not at EOS (must be + or /), move forward. */
1934 if (*cp != '\0')
1935 ++cp;
1936
1937 /* Parse */
1938 nid = OBJ_txt2nid(typestr);
1939 if (nid == NID_undef) {
1940 BIO_printf(bio_err,
1941 "%s warning: Skipping unknown %s name attribute \"%s\"\n",
1942 opt_getprog(), desc, typestr);
1943 if (ismulti)
1944 BIO_printf(bio_err,
1945 "%s hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n",
1946 opt_getprog());
1947 continue;
1948 }
1949 if (*valstr == '\0') {
1950 BIO_printf(bio_err,
1951 "%s warning: No value provided for %s name attribute \"%s\", skipped\n",
1952 opt_getprog(), desc, typestr);
1953 continue;
1954 }
1955 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1956 valstr, strlen((char *)valstr),
1957 -1, ismulti ? -1 : 0)) {
1958 ERR_print_errors(bio_err);
1959 BIO_printf(bio_err,
1960 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1961 opt_getprog(), desc, typestr ,valstr);
1962 goto err;
1963 }
1964 }
1965
1966 OPENSSL_free(work);
1967 return n;
1968
1969 err:
1970 X509_NAME_free(n);
1971 OPENSSL_free(work);
1972 return NULL;
1973}
1974
1975/*
1976 * Read whole contents of a BIO into an allocated memory buffer and return
1977 * it.
1978 */
1979
1980int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1981{
1982 BIO *mem;
1983 int len, ret;
1984 unsigned char tbuf[1024];
1985
1986 mem = BIO_new(BIO_s_mem());
1987 if (mem == NULL)
1988 return -1;
1989 for (;;) {
1990 if ((maxlen != -1) && maxlen < 1024)
1991 len = maxlen;
1992 else
1993 len = 1024;
1994 len = BIO_read(in, tbuf, len);
1995 if (len < 0) {
1996 BIO_free(mem);
1997 return -1;
1998 }
1999 if (len == 0)
2000 break;
2001 if (BIO_write(mem, tbuf, len) != len) {
2002 BIO_free(mem);
2003 return -1;
2004 }
2005 if (maxlen != -1)
2006 maxlen -= len;
2007
2008 if (maxlen == 0)
2009 break;
2010 }
2011 ret = BIO_get_mem_data(mem, (char **)out);
2012 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2013 BIO_free(mem);
2014 return ret;
2015}
2016
2017int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2018{
2019 int rv = 0;
2020 char *stmp, *vtmp = NULL;
2021
2022 stmp = OPENSSL_strdup(value);
2023 if (stmp == NULL)
2024 return -1;
2025 vtmp = strchr(stmp, ':');
2026 if (vtmp == NULL)
2027 goto err;
2028
2029 *vtmp = 0;
2030 vtmp++;
2031 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2032
2033 err:
2034 OPENSSL_free(stmp);
2035 return rv;
2036}
2037
2038static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2039{
2040 X509_POLICY_NODE *node;
2041 int i;
2042
2043 BIO_printf(bio_err, "%s Policies:", name);
2044 if (nodes) {
2045 BIO_puts(bio_err, "\n");
2046 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2047 node = sk_X509_POLICY_NODE_value(nodes, i);
2048 X509_POLICY_NODE_print(bio_err, node, 2);
2049 }
2050 } else {
2051 BIO_puts(bio_err, " <empty>\n");
2052 }
2053}
2054
2055void policies_print(X509_STORE_CTX *ctx)
2056{
2057 X509_POLICY_TREE *tree;
2058 int explicit_policy;
2059 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2060 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2061
2062 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2063 explicit_policy ? "True" : "False");
2064
2065 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2066 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2067}
2068
2069/*-
2070 * next_protos_parse parses a comma separated list of strings into a string
2071 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2072 * outlen: (output) set to the length of the resulting buffer on success.
2073 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2074 * in: a NUL terminated string like "abc,def,ghi"
2075 *
2076 * returns: a malloc'd buffer or NULL on failure.
2077 */
2078unsigned char *next_protos_parse(size_t *outlen, const char *in)
2079{
2080 size_t len;
2081 unsigned char *out;
2082 size_t i, start = 0;
2083 size_t skipped = 0;
2084
2085 len = strlen(in);
2086 if (len == 0 || len >= 65535)
2087 return NULL;
2088
2089 out = app_malloc(len + 1, "NPN buffer");
2090 for (i = 0; i <= len; ++i) {
2091 if (i == len || in[i] == ',') {
2092 /*
2093 * Zero-length ALPN elements are invalid on the wire, we could be
2094 * strict and reject the entire string, but just ignoring extra
2095 * commas seems harmless and more friendly.
2096 *
2097 * Every comma we skip in this way puts the input buffer another
2098 * byte ahead of the output buffer, so all stores into the output
2099 * buffer need to be decremented by the number commas skipped.
2100 */
2101 if (i == start) {
2102 ++start;
2103 ++skipped;
2104 continue;
2105 }
2106 if (i - start > 255) {
2107 OPENSSL_free(out);
2108 return NULL;
2109 }
2110 out[start-skipped] = (unsigned char)(i - start);
2111 start = i + 1;
2112 } else {
2113 out[i + 1 - skipped] = in[i];
2114 }
2115 }
2116
2117 if (len <= skipped) {
2118 OPENSSL_free(out);
2119 return NULL;
2120 }
2121
2122 *outlen = len + 1 - skipped;
2123 return out;
2124}
2125
2126void print_cert_checks(BIO *bio, X509 *x,
2127 const char *checkhost,
2128 const char *checkemail, const char *checkip)
2129{
2130 if (x == NULL)
2131 return;
2132 if (checkhost) {
2133 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2134 checkhost,
2135 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2136 ? "" : " NOT");
2137 }
2138
2139 if (checkemail) {
2140 BIO_printf(bio, "Email %s does%s match certificate\n",
2141 checkemail, X509_check_email(x, checkemail, 0, 0)
2142 ? "" : " NOT");
2143 }
2144
2145 if (checkip) {
2146 BIO_printf(bio, "IP %s does%s match certificate\n",
2147 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2148 }
2149}
2150
2151static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2152{
2153 int i;
2154
2155 if (opts == NULL)
2156 return 1;
2157
2158 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2159 char *opt = sk_OPENSSL_STRING_value(opts, i);
2160 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2161 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2162 ERR_print_errors(bio_err);
2163 return 0;
2164 }
2165 }
2166
2167 return 1;
2168}
2169
2170static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2171{
2172 int i;
2173
2174 if (opts == NULL)
2175 return 1;
2176
2177 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2178 char *opt = sk_OPENSSL_STRING_value(opts, i);
2179 if (x509_ctrl_string(x, opt) <= 0) {
2180 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2181 ERR_print_errors(bio_err);
2182 return 0;
2183 }
2184 }
2185
2186 return 1;
2187}
2188
2189static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2190{
2191 int i;
2192
2193 if (opts == NULL)
2194 return 1;
2195
2196 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2197 char *opt = sk_OPENSSL_STRING_value(opts, i);
2198 if (x509_req_ctrl_string(x, opt) <= 0) {
2199 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2200 ERR_print_errors(bio_err);
2201 return 0;
2202 }
2203 }
2204
2205 return 1;
2206}
2207
2208static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2209 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2210{
2211 EVP_PKEY_CTX *pkctx = NULL;
2212 char def_md[80];
2213
2214 if (ctx == NULL)
2215 return 0;
2216 /*
2217 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2218 * for this algorithm.
2219 */
2220 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2221 && strcmp(def_md, "UNDEF") == 0) {
2222 /* The signing algorithm requires there to be no digest */
2223 md = NULL;
2224 }
2225
2226 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2227 app_get0_propq(), pkey, NULL)
2228 && do_pkey_ctx_init(pkctx, sigopts);
2229}
2230
2231static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2232 const char *name, const char *value, int add_default)
2233{
2234 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2235 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2236 int idx, rv = 0;
2237
2238 if (new_ext == NULL)
2239 return rv;
2240
2241 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2242 if (idx >= 0) {
2243 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2244 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2245 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2246
2247 if (disabled) {
2248 X509_delete_ext(cert, idx);
2249 X509_EXTENSION_free(found_ext);
2250 } /* else keep existing key identifier, which might be outdated */
2251 rv = 1;
2252 } else {
2253 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2254 }
2255 X509_EXTENSION_free(new_ext);
2256 return rv;
2257}
2258
2259/* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2260int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2261 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2262{
2263 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2264 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2265 int self_sign;
2266 int rv = 0;
2267
2268 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2269 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2270 if (!X509_set_version(cert, X509_VERSION_3))
2271 goto end;
2272
2273 /*
2274 * Add default SKID before such that default AKID can make use of it
2275 * in case the certificate is self-signed
2276 */
2277 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2278 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2279 goto end;
2280 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2281 ERR_set_mark();
2282 self_sign = X509_check_private_key(cert, pkey);
2283 ERR_pop_to_mark();
2284 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2285 "keyid, issuer", !self_sign))
2286 goto end;
2287 }
2288
2289 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2290 rv = (X509_sign_ctx(cert, mctx) > 0);
2291 end:
2292 EVP_MD_CTX_free(mctx);
2293 return rv;
2294}
2295
2296/* Sign the certificate request info */
2297int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2298 STACK_OF(OPENSSL_STRING) *sigopts)
2299{
2300 int rv = 0;
2301 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2302
2303 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2304 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2305 EVP_MD_CTX_free(mctx);
2306 return rv;
2307}
2308
2309/* Sign the CRL info */
2310int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2311 STACK_OF(OPENSSL_STRING) *sigopts)
2312{
2313 int rv = 0;
2314 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2315
2316 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2317 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2318 EVP_MD_CTX_free(mctx);
2319 return rv;
2320}
2321
2322/*
2323 * do_X509_verify returns 1 if the signature is valid,
2324 * 0 if the signature check fails, or -1 if error occurs.
2325 */
2326int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2327{
2328 int rv = 0;
2329
2330 if (do_x509_init(x, vfyopts) > 0)
2331 rv = X509_verify(x, pkey);
2332 else
2333 rv = -1;
2334 return rv;
2335}
2336
2337/*
2338 * do_X509_REQ_verify returns 1 if the signature is valid,
2339 * 0 if the signature check fails, or -1 if error occurs.
2340 */
2341int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2342 STACK_OF(OPENSSL_STRING) *vfyopts)
2343{
2344 int rv = 0;
2345
2346 if (do_x509_req_init(x, vfyopts) > 0)
2347 rv = X509_REQ_verify_ex(x, pkey,
2348 app_get0_libctx(), app_get0_propq());
2349 else
2350 rv = -1;
2351 return rv;
2352}
2353
2354/* Get first http URL from a DIST_POINT structure */
2355
2356static const char *get_dp_url(DIST_POINT *dp)
2357{
2358 GENERAL_NAMES *gens;
2359 GENERAL_NAME *gen;
2360 int i, gtype;
2361 ASN1_STRING *uri;
2362 if (!dp->distpoint || dp->distpoint->type != 0)
2363 return NULL;
2364 gens = dp->distpoint->name.fullname;
2365 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2366 gen = sk_GENERAL_NAME_value(gens, i);
2367 uri = GENERAL_NAME_get0_value(gen, &gtype);
2368 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2369 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2370
2371 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2372 return uptr;
2373 }
2374 }
2375 return NULL;
2376}
2377
2378/*
2379 * Look through a CRLDP structure and attempt to find an http URL to
2380 * downloads a CRL from.
2381 */
2382
2383static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2384{
2385 int i;
2386 const char *urlptr = NULL;
2387 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2388 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2389 urlptr = get_dp_url(dp);
2390 if (urlptr != NULL)
2391 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2392 }
2393 return NULL;
2394}
2395
2396/*
2397 * Example of downloading CRLs from CRLDP:
2398 * not usable for real world as it always downloads and doesn't cache anything.
2399 */
2400
2401static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2402 const X509_NAME *nm)
2403{
2404 X509 *x;
2405 STACK_OF(X509_CRL) *crls = NULL;
2406 X509_CRL *crl;
2407 STACK_OF(DIST_POINT) *crldp;
2408
2409 crls = sk_X509_CRL_new_null();
2410 if (!crls)
2411 return NULL;
2412 x = X509_STORE_CTX_get_current_cert(ctx);
2413 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2414 crl = load_crl_crldp(crldp);
2415 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2416 if (!crl) {
2417 sk_X509_CRL_free(crls);
2418 return NULL;
2419 }
2420 sk_X509_CRL_push(crls, crl);
2421 /* Try to download delta CRL */
2422 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2423 crl = load_crl_crldp(crldp);
2424 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2425 if (crl)
2426 sk_X509_CRL_push(crls, crl);
2427 return crls;
2428}
2429
2430void store_setup_crl_download(X509_STORE *st)
2431{
2432 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2433}
2434
2435#ifndef OPENSSL_NO_SOCK
2436static const char *tls_error_hint(void)
2437{
2438 unsigned long err = ERR_peek_error();
2439
2440 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2441 err = ERR_peek_last_error();
2442 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2443 return NULL;
2444
2445 switch (ERR_GET_REASON(err)) {
2446 case SSL_R_WRONG_VERSION_NUMBER:
2447 return "The server does not support (a suitable version of) TLS";
2448 case SSL_R_UNKNOWN_PROTOCOL:
2449 return "The server does not support HTTPS";
2450 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2451 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2452 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2453 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2454 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2455 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2456 default: /* no error or no hint available for error */
2457 return NULL;
2458 }
2459}
2460
2461/* HTTP callback function that supports TLS connection also via HTTPS proxy */
2462BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2463{
2464 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2465 SSL_CTX *ssl_ctx = info->ssl_ctx;
2466
2467 if (ssl_ctx == NULL) /* not using TLS */
2468 return bio;
2469 if (connect) {
2470 SSL *ssl;
2471 BIO *sbio = NULL;
2472 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2473 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2474 const char *host = vpm == NULL ? NULL :
2475 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2476
2477 /* adapt after fixing callback design flaw, see #17088 */
2478 if ((info->use_proxy
2479 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2480 NULL, NULL, /* no proxy credentials */
2481 info->timeout, bio_err, opt_getprog()))
2482 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2483 return NULL;
2484 }
2485 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2486 BIO_free(sbio);
2487 return NULL;
2488 }
2489
2490 if (vpm != NULL)
2491 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2492
2493 SSL_set_connect_state(ssl);
2494 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2495
2496 bio = BIO_push(sbio, bio);
2497 }
2498 if (!connect) {
2499 const char *hint;
2500 BIO *cbio;
2501
2502 if (!detail) { /* disconnecting after error */
2503 hint = tls_error_hint();
2504 if (hint != NULL)
2505 ERR_add_error_data(2, " : ", hint);
2506 }
2507 if (ssl_ctx != NULL) {
2508 (void)ERR_set_mark();
2509 BIO_ssl_shutdown(bio);
2510 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2511 BIO_free(bio); /* SSL BIO */
2512 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2513 bio = cbio;
2514 }
2515 }
2516 return bio;
2517}
2518
2519void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2520{
2521 if (info != NULL) {
2522 SSL_CTX_free(info->ssl_ctx);
2523 OPENSSL_free(info);
2524 }
2525}
2526
2527ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2528 const char *no_proxy, SSL_CTX *ssl_ctx,
2529 const STACK_OF(CONF_VALUE) *headers,
2530 long timeout, const char *expected_content_type,
2531 const ASN1_ITEM *it)
2532{
2533 APP_HTTP_TLS_INFO info;
2534 char *server;
2535 char *port;
2536 int use_ssl;
2537 BIO *mem;
2538 ASN1_VALUE *resp = NULL;
2539
2540 if (url == NULL || it == NULL) {
2541 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2542 return NULL;
2543 }
2544
2545 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2546 NULL /* port_num, */, NULL, NULL, NULL))
2547 return NULL;
2548 if (use_ssl && ssl_ctx == NULL) {
2549 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2550 "missing SSL_CTX");
2551 goto end;
2552 }
2553 if (!use_ssl && ssl_ctx != NULL) {
2554 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2555 "SSL_CTX given but use_ssl == 0");
2556 goto end;
2557 }
2558
2559 info.server = server;
2560 info.port = port;
2561 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2562 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2563 info.timeout = timeout;
2564 info.ssl_ctx = ssl_ctx;
2565 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2566 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2567 expected_content_type, 1 /* expect_asn1 */,
2568 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2569 resp = ASN1_item_d2i_bio(it, mem, NULL);
2570 BIO_free(mem);
2571
2572 end:
2573 OPENSSL_free(server);
2574 OPENSSL_free(port);
2575 return resp;
2576
2577}
2578
2579ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2580 const char *path, const char *proxy,
2581 const char *no_proxy, SSL_CTX *ssl_ctx,
2582 const STACK_OF(CONF_VALUE) *headers,
2583 const char *content_type,
2584 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2585 const char *expected_content_type,
2586 long timeout, const ASN1_ITEM *rsp_it)
2587{
2588 int use_ssl = ssl_ctx != NULL;
2589 APP_HTTP_TLS_INFO info;
2590 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2591 ASN1_VALUE *res;
2592
2593 if (req_mem == NULL)
2594 return NULL;
2595
2596 info.server = host;
2597 info.port = port;
2598 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2599 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2600 info.timeout = timeout;
2601 info.ssl_ctx = ssl_ctx;
2602 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2603 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2604 app_http_tls_cb, &info,
2605 0 /* buf_size */, headers, content_type, req_mem,
2606 expected_content_type, 1 /* expect_asn1 */,
2607 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2608 0 /* keep_alive */);
2609 BIO_free(req_mem);
2610 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2611 BIO_free(rsp);
2612 return res;
2613}
2614
2615#endif
2616
2617/*
2618 * Platform-specific sections
2619 */
2620#if defined(_WIN32)
2621# ifdef fileno
2622# undef fileno
2623# define fileno(a) (int)_fileno(a)
2624# endif
2625
2626# include <windows.h>
2627# include <tchar.h>
2628
2629static int WIN32_rename(const char *from, const char *to)
2630{
2631 TCHAR *tfrom = NULL, *tto;
2632 DWORD err;
2633 int ret = 0;
2634
2635 if (sizeof(TCHAR) == 1) {
2636 tfrom = (TCHAR *)from;
2637 tto = (TCHAR *)to;
2638 } else { /* UNICODE path */
2639
2640 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2641 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2642 if (tfrom == NULL)
2643 goto err;
2644 tto = tfrom + flen;
2645# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2646 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2647# endif
2648 for (i = 0; i < flen; i++)
2649 tfrom[i] = (TCHAR)from[i];
2650# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2651 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2652# endif
2653 for (i = 0; i < tlen; i++)
2654 tto[i] = (TCHAR)to[i];
2655 }
2656
2657 if (MoveFile(tfrom, tto))
2658 goto ok;
2659 err = GetLastError();
2660 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2661 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2662 goto ok;
2663 err = GetLastError();
2664 }
2665 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2666 errno = ENOENT;
2667 else if (err == ERROR_ACCESS_DENIED)
2668 errno = EACCES;
2669 else
2670 errno = EINVAL; /* we could map more codes... */
2671 err:
2672 ret = -1;
2673 ok:
2674 if (tfrom != NULL && tfrom != (TCHAR *)from)
2675 free(tfrom);
2676 return ret;
2677}
2678#endif
2679
2680/* app_tminterval section */
2681#if defined(_WIN32)
2682double app_tminterval(int stop, int usertime)
2683{
2684 FILETIME now;
2685 double ret = 0;
2686 static ULARGE_INTEGER tmstart;
2687 static int warning = 1;
2688# ifdef _WIN32_WINNT
2689 static HANDLE proc = NULL;
2690
2691 if (proc == NULL) {
2692 if (check_winnt())
2693 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2694 GetCurrentProcessId());
2695 if (proc == NULL)
2696 proc = (HANDLE) - 1;
2697 }
2698
2699 if (usertime && proc != (HANDLE) - 1) {
2700 FILETIME junk;
2701 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2702 } else
2703# endif
2704 {
2705 SYSTEMTIME systime;
2706
2707 if (usertime && warning) {
2708 BIO_printf(bio_err, "To get meaningful results, run "
2709 "this program on idle system.\n");
2710 warning = 0;
2711 }
2712 GetSystemTime(&systime);
2713 SystemTimeToFileTime(&systime, &now);
2714 }
2715
2716 if (stop == TM_START) {
2717 tmstart.u.LowPart = now.dwLowDateTime;
2718 tmstart.u.HighPart = now.dwHighDateTime;
2719 } else {
2720 ULARGE_INTEGER tmstop;
2721
2722 tmstop.u.LowPart = now.dwLowDateTime;
2723 tmstop.u.HighPart = now.dwHighDateTime;
2724
2725 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2726 }
2727
2728 return ret;
2729}
2730#elif defined(OPENSSL_SYS_VXWORKS)
2731# include <time.h>
2732
2733double app_tminterval(int stop, int usertime)
2734{
2735 double ret = 0;
2736# ifdef CLOCK_REALTIME
2737 static struct timespec tmstart;
2738 struct timespec now;
2739# else
2740 static unsigned long tmstart;
2741 unsigned long now;
2742# endif
2743 static int warning = 1;
2744
2745 if (usertime && warning) {
2746 BIO_printf(bio_err, "To get meaningful results, run "
2747 "this program on idle system.\n");
2748 warning = 0;
2749 }
2750# ifdef CLOCK_REALTIME
2751 clock_gettime(CLOCK_REALTIME, &now);
2752 if (stop == TM_START)
2753 tmstart = now;
2754 else
2755 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2756 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2757# else
2758 now = tickGet();
2759 if (stop == TM_START)
2760 tmstart = now;
2761 else
2762 ret = (now - tmstart) / (double)sysClkRateGet();
2763# endif
2764 return ret;
2765}
2766
2767#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2768# include <sys/times.h>
2769
2770double app_tminterval(int stop, int usertime)
2771{
2772 double ret = 0;
2773 struct tms rus;
2774 clock_t now = times(&rus);
2775 static clock_t tmstart;
2776
2777 if (usertime)
2778 now = rus.tms_utime;
2779
2780 if (stop == TM_START) {
2781 tmstart = now;
2782 } else {
2783 long int tck = sysconf(_SC_CLK_TCK);
2784 ret = (now - tmstart) / (double)tck;
2785 }
2786
2787 return ret;
2788}
2789
2790#else
2791# include <sys/time.h>
2792# include <sys/resource.h>
2793
2794double app_tminterval(int stop, int usertime)
2795{
2796 double ret = 0;
2797 struct rusage rus;
2798 struct timeval now;
2799 static struct timeval tmstart;
2800
2801 if (usertime)
2802 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2803 else
2804 gettimeofday(&now, NULL);
2805
2806 if (stop == TM_START)
2807 tmstart = now;
2808 else
2809 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2810 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2811
2812 return ret;
2813}
2814#endif
2815
2816int app_access(const char* name, int flag)
2817{
2818#ifdef _WIN32
2819 return _access(name, flag);
2820#else
2821 return access(name, flag);
2822#endif
2823}
2824
2825int app_isdir(const char *name)
2826{
2827 return opt_isdir(name);
2828}
2829
2830/* raw_read|write section */
2831#if defined(__VMS)
2832# include "vms_term_sock.h"
2833static int stdin_sock = -1;
2834
2835static void close_stdin_sock(void)
2836{
2837 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2838}
2839
2840int fileno_stdin(void)
2841{
2842 if (stdin_sock == -1) {
2843 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2844 atexit(close_stdin_sock);
2845 }
2846
2847 return stdin_sock;
2848}
2849#else
2850int fileno_stdin(void)
2851{
2852 return fileno(stdin);
2853}
2854#endif
2855
2856int fileno_stdout(void)
2857{
2858 return fileno(stdout);
2859}
2860
2861#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2862int raw_read_stdin(void *buf, int siz)
2863{
2864 DWORD n;
2865 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2866 return n;
2867 else
2868 return -1;
2869}
2870#elif defined(__VMS)
2871# include <sys/socket.h>
2872
2873int raw_read_stdin(void *buf, int siz)
2874{
2875 return recv(fileno_stdin(), buf, siz, 0);
2876}
2877#else
2878# if defined(__TANDEM)
2879# if defined(OPENSSL_TANDEM_FLOSS)
2880# include <floss.h(floss_read)>
2881# endif
2882# endif
2883int raw_read_stdin(void *buf, int siz)
2884{
2885 return read(fileno_stdin(), buf, siz);
2886}
2887#endif
2888
2889#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2890int raw_write_stdout(const void *buf, int siz)
2891{
2892 DWORD n;
2893 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2894 return n;
2895 else
2896 return -1;
2897}
2898#elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2899# if defined(__TANDEM)
2900# if defined(OPENSSL_TANDEM_FLOSS)
2901# include <floss.h(floss_write)>
2902# endif
2903# endif
2904int raw_write_stdout(const void *buf,int siz)
2905{
2906 return write(fileno(stdout),(void*)buf,siz);
2907}
2908#else
2909# if defined(__TANDEM)
2910# if defined(OPENSSL_TANDEM_FLOSS)
2911# include <floss.h(floss_write)>
2912# endif
2913# endif
2914int raw_write_stdout(const void *buf, int siz)
2915{
2916 return write(fileno_stdout(), buf, siz);
2917}
2918#endif
2919
2920/*
2921 * Centralized handling of input and output files with format specification
2922 * The format is meant to show what the input and output is supposed to be,
2923 * and is therefore a show of intent more than anything else. However, it
2924 * does impact behavior on some platforms, such as differentiating between
2925 * text and binary input/output on non-Unix platforms
2926 */
2927BIO *dup_bio_in(int format)
2928{
2929 return BIO_new_fp(stdin,
2930 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2931}
2932
2933BIO *dup_bio_out(int format)
2934{
2935 BIO *b = BIO_new_fp(stdout,
2936 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2937 void *prefix = NULL;
2938
2939 if (b == NULL)
2940 return NULL;
2941
2942#ifdef OPENSSL_SYS_VMS
2943 if (FMT_istext(format))
2944 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2945#endif
2946
2947 if (FMT_istext(format)
2948 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2949 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2950 BIO_set_prefix(b, prefix);
2951 }
2952
2953 return b;
2954}
2955
2956BIO *dup_bio_err(int format)
2957{
2958 BIO *b = BIO_new_fp(stderr,
2959 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2960#ifdef OPENSSL_SYS_VMS
2961 if (b != NULL && FMT_istext(format))
2962 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2963#endif
2964 return b;
2965}
2966
2967void unbuffer(FILE *fp)
2968{
2969/*
2970 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2971 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2972 * However, we trust that the C RTL will never give us a FILE pointer
2973 * above the first 4 GB of memory, so we simply turn off the warning
2974 * temporarily.
2975 */
2976#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2977# pragma environment save
2978# pragma message disable maylosedata2
2979#endif
2980 setbuf(fp, NULL);
2981#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2982# pragma environment restore
2983#endif
2984}
2985
2986static const char *modestr(char mode, int format)
2987{
2988 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2989
2990 switch (mode) {
2991 case 'a':
2992 return FMT_istext(format) ? "a" : "ab";
2993 case 'r':
2994 return FMT_istext(format) ? "r" : "rb";
2995 case 'w':
2996 return FMT_istext(format) ? "w" : "wb";
2997 }
2998 /* The assert above should make sure we never reach this point */
2999 return NULL;
3000}
3001
3002static const char *modeverb(char mode)
3003{
3004 switch (mode) {
3005 case 'a':
3006 return "appending";
3007 case 'r':
3008 return "reading";
3009 case 'w':
3010 return "writing";
3011 }
3012 return "(doing something)";
3013}
3014
3015/*
3016 * Open a file for writing, owner-read-only.
3017 */
3018BIO *bio_open_owner(const char *filename, int format, int private)
3019{
3020 FILE *fp = NULL;
3021 BIO *b = NULL;
3022 int textmode, bflags;
3023#ifndef OPENSSL_NO_POSIX_IO
3024 int fd = -1, mode;
3025#endif
3026
3027 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3028 return bio_open_default(filename, 'w', format);
3029
3030 textmode = FMT_istext(format);
3031#ifndef OPENSSL_NO_POSIX_IO
3032 mode = O_WRONLY;
3033# ifdef O_CREAT
3034 mode |= O_CREAT;
3035# endif
3036# ifdef O_TRUNC
3037 mode |= O_TRUNC;
3038# endif
3039 if (!textmode) {
3040# ifdef O_BINARY
3041 mode |= O_BINARY;
3042# elif defined(_O_BINARY)
3043 mode |= _O_BINARY;
3044# endif
3045 }
3046
3047# ifdef OPENSSL_SYS_VMS
3048 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
3049 * it still needs to know that we're going binary, or fdopen()
3050 * will fail with "invalid argument"... so we tell VMS what the
3051 * context is.
3052 */
3053 if (!textmode)
3054 fd = open(filename, mode, 0600, "ctx=bin");
3055 else
3056# endif
3057 fd = open(filename, mode, 0600);
3058 if (fd < 0)
3059 goto err;
3060 fp = fdopen(fd, modestr('w', format));
3061#else /* OPENSSL_NO_POSIX_IO */
3062 /* Have stdio but not Posix IO, do the best we can */
3063 fp = fopen(filename, modestr('w', format));
3064#endif /* OPENSSL_NO_POSIX_IO */
3065 if (fp == NULL)
3066 goto err;
3067 bflags = BIO_CLOSE;
3068 if (textmode)
3069 bflags |= BIO_FP_TEXT;
3070 b = BIO_new_fp(fp, bflags);
3071 if (b != NULL)
3072 return b;
3073
3074 err:
3075 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3076 opt_getprog(), filename, strerror(errno));
3077 ERR_print_errors(bio_err);
3078 /* If we have fp, then fdopen took over fd, so don't close both. */
3079 if (fp != NULL)
3080 fclose(fp);
3081#ifndef OPENSSL_NO_POSIX_IO
3082 else if (fd >= 0)
3083 close(fd);
3084#endif
3085 return NULL;
3086}
3087
3088static BIO *bio_open_default_(const char *filename, char mode, int format,
3089 int quiet)
3090{
3091 BIO *ret;
3092
3093 if (filename == NULL || strcmp(filename, "-") == 0) {
3094 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3095 if (quiet) {
3096 ERR_clear_error();
3097 return ret;
3098 }
3099 if (ret != NULL)
3100 return ret;
3101 BIO_printf(bio_err,
3102 "Can't open %s, %s\n",
3103 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3104 } else {
3105 ret = BIO_new_file(filename, modestr(mode, format));
3106 if (quiet) {
3107 ERR_clear_error();
3108 return ret;
3109 }
3110 if (ret != NULL)
3111 return ret;
3112 BIO_printf(bio_err,
3113 "Can't open \"%s\" for %s, %s\n",
3114 filename, modeverb(mode), strerror(errno));
3115 }
3116 ERR_print_errors(bio_err);
3117 return NULL;
3118}
3119
3120BIO *bio_open_default(const char *filename, char mode, int format)
3121{
3122 return bio_open_default_(filename, mode, format, 0);
3123}
3124
3125BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3126{
3127 return bio_open_default_(filename, mode, format, 1);
3128}
3129
3130void wait_for_async(SSL *s)
3131{
3132 /* On Windows select only works for sockets, so we simply don't wait */
3133#ifndef OPENSSL_SYS_WINDOWS
3134 int width = 0;
3135 fd_set asyncfds;
3136 OSSL_ASYNC_FD *fds;
3137 size_t numfds;
3138 size_t i;
3139
3140 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3141 return;
3142 if (numfds == 0)
3143 return;
3144 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3145 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3146 OPENSSL_free(fds);
3147 return;
3148 }
3149
3150 FD_ZERO(&asyncfds);
3151 for (i = 0; i < numfds; i++) {
3152 if (width <= (int)fds[i])
3153 width = (int)fds[i] + 1;
3154 openssl_fdset((int)fds[i], &asyncfds);
3155 }
3156 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3157 OPENSSL_free(fds);
3158#endif
3159}
3160
3161/* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3162#if defined(OPENSSL_SYS_MSDOS)
3163int has_stdin_waiting(void)
3164{
3165# if defined(OPENSSL_SYS_WINDOWS)
3166 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3167 DWORD events = 0;
3168 INPUT_RECORD inputrec;
3169 DWORD insize = 1;
3170 BOOL peeked;
3171
3172 if (inhand == INVALID_HANDLE_VALUE) {
3173 return 0;
3174 }
3175
3176 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3177 if (!peeked) {
3178 /* Probably redirected input? _kbhit() does not work in this case */
3179 if (!feof(stdin)) {
3180 return 1;
3181 }
3182 return 0;
3183 }
3184# endif
3185 return _kbhit();
3186}
3187#endif
3188
3189/* Corrupt a signature by modifying final byte */
3190void corrupt_signature(const ASN1_STRING *signature)
3191{
3192 unsigned char *s = signature->data;
3193 s[signature->length - 1] ^= 0x1;
3194}
3195
3196int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3197 int days)
3198{
3199 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3200 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3201 return 0;
3202 } else {
3203 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3204 return 0;
3205 }
3206 if (enddate == NULL) {
3207 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3208 == NULL)
3209 return 0;
3210 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3211 return 0;
3212 }
3213 return 1;
3214}
3215
3216int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3217{
3218 int ret = 0;
3219 ASN1_TIME *tm = ASN1_TIME_new();
3220
3221 if (tm == NULL)
3222 goto end;
3223
3224 if (lastupdate == NULL) {
3225 if (X509_gmtime_adj(tm, 0) == NULL)
3226 goto end;
3227 } else {
3228 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3229 goto end;
3230 }
3231
3232 if (!X509_CRL_set1_lastUpdate(crl, tm))
3233 goto end;
3234
3235 ret = 1;
3236end:
3237 ASN1_TIME_free(tm);
3238 return ret;
3239}
3240
3241int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3242 long days, long hours, long secs)
3243{
3244 int ret = 0;
3245 ASN1_TIME *tm = ASN1_TIME_new();
3246
3247 if (tm == NULL)
3248 goto end;
3249
3250 if (nextupdate == NULL) {
3251 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3252 goto end;
3253 } else {
3254 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3255 goto end;
3256 }
3257
3258 if (!X509_CRL_set1_nextUpdate(crl, tm))
3259 goto end;
3260
3261 ret = 1;
3262end:
3263 ASN1_TIME_free(tm);
3264 return ret;
3265}
3266
3267void make_uppercase(char *string)
3268{
3269 int i;
3270
3271 for (i = 0; string[i] != '\0'; i++)
3272 string[i] = toupper((unsigned char)string[i]);
3273}
3274
3275/* This function is defined here due to visibility of bio_err */
3276int opt_printf_stderr(const char *fmt, ...)
3277{
3278 va_list ap;
3279 int ret;
3280
3281 va_start(ap, fmt);
3282 ret = BIO_vprintf(bio_err, fmt, ap);
3283 va_end(ap);
3284 return ret;
3285}
3286
3287OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3288 const OSSL_PARAM *paramdefs)
3289{
3290 OSSL_PARAM *params = NULL;
3291 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3292 size_t params_n;
3293 char *opt = "", *stmp, *vtmp = NULL;
3294 int found = 1;
3295
3296 if (opts == NULL)
3297 return NULL;
3298
3299 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3300 if (params == NULL)
3301 return NULL;
3302
3303 for (params_n = 0; params_n < sz; params_n++) {
3304 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3305 if ((stmp = OPENSSL_strdup(opt)) == NULL
3306 || (vtmp = strchr(stmp, ':')) == NULL)
3307 goto err;
3308 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3309 *vtmp = 0;
3310 /* Skip over the separator so that vmtp points to the value */
3311 vtmp++;
3312 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3313 stmp, vtmp, strlen(vtmp), &found))
3314 goto err;
3315 OPENSSL_free(stmp);
3316 }
3317 params[params_n] = OSSL_PARAM_construct_end();
3318 return params;
3319err:
3320 OPENSSL_free(stmp);
3321 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3322 opt);
3323 ERR_print_errors(bio_err);
3324 app_params_free(params);
3325 return NULL;
3326}
3327
3328void app_params_free(OSSL_PARAM *params)
3329{
3330 int i;
3331
3332 if (params != NULL) {
3333 for (i = 0; params[i].key != NULL; ++i)
3334 OPENSSL_free(params[i].data);
3335 OPENSSL_free(params);
3336 }
3337}
3338
3339EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3340{
3341 EVP_PKEY *res = NULL;
3342
3343 if (verbose && alg != NULL) {
3344 BIO_printf(bio_err, "Generating %s key", alg);
3345 if (bits > 0)
3346 BIO_printf(bio_err, " with %d bits\n", bits);
3347 else
3348 BIO_printf(bio_err, "\n");
3349 }
3350 if (!RAND_status())
3351 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3352 "if the system has a poor entropy source\n");
3353 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3354 app_bail_out("%s: Error generating %s key\n", opt_getprog(),
3355 alg != NULL ? alg : "asymmetric");
3356 return res;
3357}
3358
3359EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3360{
3361 EVP_PKEY *res = NULL;
3362
3363 if (!RAND_status())
3364 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3365 "if the system has a poor entropy source\n");
3366 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3367 app_bail_out("%s: Generating %s key parameters failed\n",
3368 opt_getprog(), alg != NULL ? alg : "asymmetric");
3369 return res;
3370}
3371
3372/*
3373 * Return non-zero if the legacy path is still an option.
3374 * This decision is based on the global command line operations and the
3375 * behaviour thus far.
3376 */
3377int opt_legacy_okay(void)
3378{
3379 int provider_options = opt_provider_option_given();
3380 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3381 /*
3382 * Having a provider option specified or a custom library context or
3383 * property query, is a sure sign we're not using legacy.
3384 */
3385 if (provider_options || libctx)
3386 return 0;
3387 return 1;
3388}
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