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source: vbox/trunk/src/libs/openssl-3.1.0/apps/lib/apps.c@ 100619

Last change on this file since 100619 was 99366, checked in by vboxsync, 2 years ago

openssl-3.1.0: Applied and adjusted our OpenSSL changes to 3.0.7. bugref:10418
File size: 95.4 KB
Line 
1/*
2 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
11/*
12 * On VMS, you need to define this to get the declaration of fileno(). The
13 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
14 */
15# define _POSIX_C_SOURCE 2
16#endif
17
18#ifndef OPENSSL_NO_ENGINE
19/* We need to use some deprecated APIs */
20# define OPENSSL_SUPPRESS_DEPRECATED
21# include <openssl/engine.h>
22#endif
23
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <sys/types.h>
28#ifndef OPENSSL_NO_POSIX_IO
29# include <sys/stat.h>
30# include <fcntl.h>
31#endif
32#include <ctype.h>
33#include <errno.h>
34#include <openssl/err.h>
35#include <openssl/x509.h>
36#include <openssl/x509v3.h>
37#include <openssl/http.h>
38#include <openssl/pem.h>
39#include <openssl/store.h>
40#include <openssl/pkcs12.h>
41#include <openssl/ui.h>
42#include <openssl/safestack.h>
43#include <openssl/rsa.h>
44#include <openssl/rand.h>
45#include <openssl/bn.h>
46#include <openssl/ssl.h>
47#include <openssl/core_names.h>
48#include "s_apps.h"
49#include "apps.h"
50
51#ifdef _WIN32
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(*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(*opt))
640 opt++;
641 }
642 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
643}
644
645static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
646{
647 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
648
649 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
650 uri, subj, msg);
651 OPENSSL_free(subj);
652}
653
654static void warn_cert(const char *uri, X509 *cert, int warn_EE,
655 X509_VERIFY_PARAM *vpm)
656{
657 uint32_t ex_flags = X509_get_extension_flags(cert);
658 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
659 X509_get0_notAfter(cert));
660
661 if (res != 0)
662 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
663 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
664 warn_cert_msg(uri, cert, "is not a CA cert");
665}
666
667static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
668 X509_VERIFY_PARAM *vpm)
669{
670 int i;
671
672 for (i = 0; i < sk_X509_num(certs); i++)
673 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
674}
675
676int load_cert_certs(const char *uri,
677 X509 **pcert, STACK_OF(X509) **pcerts,
678 int exclude_http, const char *pass, const char *desc,
679 X509_VERIFY_PARAM *vpm)
680{
681 int ret = 0;
682 char *pass_string;
683
684 if (desc == NULL)
685 desc = pcerts == NULL ? "certificate" : "certificates";
686 if (exclude_http && (OPENSSL_strncasecmp(uri, "http://", 7) == 0
687 || OPENSSL_strncasecmp(uri, "https://", 8) == 0)) {
688 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
689 return ret;
690 }
691 pass_string = get_passwd(pass, desc);
692 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc,
693 NULL, NULL, NULL, pcert, pcerts, NULL, NULL);
694 clear_free(pass_string);
695
696 if (ret) {
697 if (pcert != NULL)
698 warn_cert(uri, *pcert, 0, vpm);
699 if (pcerts != NULL)
700 warn_certs(uri, *pcerts, 1, vpm);
701 } else {
702 if (pcerts != NULL) {
703 sk_X509_pop_free(*pcerts, X509_free);
704 *pcerts = NULL;
705 }
706 }
707 return ret;
708}
709
710STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
711 const char *desc, X509_VERIFY_PARAM *vpm)
712{
713 STACK_OF(X509) *certs = NULL;
714 STACK_OF(X509) *result = sk_X509_new_null();
715
716 if (files == NULL)
717 goto err;
718 if (result == NULL)
719 goto oom;
720
721 while (files != NULL) {
722 char *next = next_item(files);
723
724 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
725 goto err;
726 if (!X509_add_certs(result, certs,
727 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
728 goto oom;
729 sk_X509_pop_free(certs, X509_free);
730 certs = NULL;
731 files = next;
732 }
733 return result;
734
735 oom:
736 BIO_printf(bio_err, "out of memory\n");
737 err:
738 sk_X509_pop_free(certs, X509_free);
739 sk_X509_pop_free(result, X509_free);
740 return NULL;
741}
742
743static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
744 const STACK_OF(X509) *certs /* may NULL */)
745{
746 int i;
747
748 if (store == NULL)
749 store = X509_STORE_new();
750 if (store == NULL)
751 return NULL;
752 for (i = 0; i < sk_X509_num(certs); i++) {
753 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
754 X509_STORE_free(store);
755 return NULL;
756 }
757 }
758 return store;
759}
760
761/*
762 * Create cert store structure with certificates read from given file(s).
763 * Returns pointer to created X509_STORE on success, NULL on error.
764 */
765X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
766 X509_VERIFY_PARAM *vpm)
767{
768 X509_STORE *store = NULL;
769 STACK_OF(X509) *certs = NULL;
770
771 while (input != NULL) {
772 char *next = next_item(input);
773 int ok;
774
775 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
776 X509_STORE_free(store);
777 return NULL;
778 }
779 ok = (store = sk_X509_to_store(store, certs)) != NULL;
780 sk_X509_pop_free(certs, X509_free);
781 certs = NULL;
782 if (!ok)
783 return NULL;
784 input = next;
785 }
786 return store;
787}
788
789/*
790 * Initialize or extend, if *certs != NULL, a certificate stack.
791 * The caller is responsible for freeing *certs if its value is left not NULL.
792 */
793int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
794 const char *pass, const char *desc)
795{
796 int ret, was_NULL = *certs == NULL;
797
798 if (desc == NULL)
799 desc = "certificates";
800 ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin, pass, desc,
801 NULL, NULL, NULL, NULL, certs, NULL, NULL);
802
803 if (!ret && was_NULL) {
804 sk_X509_pop_free(*certs, X509_free);
805 *certs = NULL;
806 }
807 return ret;
808}
809
810/*
811 * Initialize or extend, if *crls != NULL, a certificate stack.
812 * The caller is responsible for freeing *crls if its value is left not NULL.
813 */
814int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
815 const char *pass, const char *desc)
816{
817 int ret, was_NULL = *crls == NULL;
818
819 if (desc == NULL)
820 desc = "CRLs";
821 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc,
822 NULL, NULL, NULL, NULL, NULL, NULL, crls);
823
824 if (!ret && was_NULL) {
825 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
826 *crls = NULL;
827 }
828 return ret;
829}
830
831static const char *format2string(int format)
832{
833 switch(format) {
834 case FORMAT_PEM:
835 return "PEM";
836 case FORMAT_ASN1:
837 return "DER";
838 }
839 return NULL;
840}
841
842/* Set type expectation, but clear it if objects of different types expected. */
843#define SET_EXPECT(expect, val) ((expect) = (expect) < 0 ? (val) : ((expect) == (val) ? (val) : 0))
844/*
845 * Load those types of credentials for which the result pointer is not NULL.
846 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
847 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
848 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
849 * If pcerts is non-NULL then all available certificates are appended to *pcerts
850 * except any certificate assigned to *pcert.
851 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
852 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
853 * except any CRL assigned to *pcrl.
854 * In any case (also on error) the caller is responsible for freeing all members
855 * of *pcerts and *pcrls (as far as they are not NULL).
856 */
857int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
858 const char *pass, const char *desc,
859 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
860 EVP_PKEY **pparams,
861 X509 **pcert, STACK_OF(X509) **pcerts,
862 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
863{
864 PW_CB_DATA uidata;
865 OSSL_STORE_CTX *ctx = NULL;
866 OSSL_LIB_CTX *libctx = app_get0_libctx();
867 const char *propq = app_get0_propq();
868 int ncerts = 0;
869 int ncrls = 0;
870 const char *failed =
871 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
872 pparams != NULL ? "params" : pcert != NULL ? "cert" :
873 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
874 pcrls != NULL ? "CRLs" : NULL;
875 int cnt_expectations = 0;
876 int expect = -1;
877 const char *input_type;
878 OSSL_PARAM itp[2];
879 const OSSL_PARAM *params = NULL;
880
881 ERR_set_mark();
882 if (ppkey != NULL) {
883 *ppkey = NULL;
884 cnt_expectations++;
885 SET_EXPECT(expect, OSSL_STORE_INFO_PKEY);
886 }
887 if (ppubkey != NULL) {
888 *ppubkey = NULL;
889 cnt_expectations++;
890 SET_EXPECT(expect, OSSL_STORE_INFO_PUBKEY);
891 }
892 if (pparams != NULL) {
893 *pparams = NULL;
894 cnt_expectations++;
895 SET_EXPECT(expect, OSSL_STORE_INFO_PARAMS);
896 }
897 if (pcert != NULL) {
898 *pcert = NULL;
899 cnt_expectations++;
900 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
901 }
902 if (pcerts != NULL) {
903 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
904 BIO_printf(bio_err, "Out of memory loading");
905 goto end;
906 }
907 cnt_expectations++;
908 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
909 }
910 if (pcrl != NULL) {
911 *pcrl = NULL;
912 cnt_expectations++;
913 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
914 }
915 if (pcrls != NULL) {
916 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
917 BIO_printf(bio_err, "Out of memory loading");
918 goto end;
919 }
920 cnt_expectations++;
921 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
922 }
923 if (cnt_expectations == 0) {
924 BIO_printf(bio_err, "Internal error: no expectation to load");
925 failed = "anything";
926 goto end;
927 }
928
929 uidata.password = pass;
930 uidata.prompt_info = uri;
931
932 if ((input_type = format2string(format)) != NULL) {
933 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
934 (char *)input_type, 0);
935 itp[1] = OSSL_PARAM_construct_end();
936 params = itp;
937 }
938
939 if (uri == NULL) {
940 BIO *bio;
941
942 if (!maybe_stdin) {
943 BIO_printf(bio_err, "No filename or uri specified for loading");
944 goto end;
945 }
946 uri = "<stdin>";
947 unbuffer(stdin);
948 bio = BIO_new_fp(stdin, 0);
949 if (bio != NULL) {
950 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
951 get_ui_method(), &uidata, params,
952 NULL, NULL);
953 BIO_free(bio);
954 }
955 } else {
956 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
957 params, NULL, NULL);
958 }
959 if (ctx == NULL) {
960 BIO_printf(bio_err, "Could not open file or uri for loading");
961 goto end;
962 }
963 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
964 goto end;
965
966 failed = NULL;
967 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
968 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
969 int type, ok = 1;
970
971 /*
972 * This can happen (for example) if we attempt to load a file with
973 * multiple different types of things in it - but the thing we just
974 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
975 * to load a certificate but the file has both the private key and the
976 * certificate in it. We just retry until eof.
977 */
978 if (info == NULL) {
979 continue;
980 }
981
982 type = OSSL_STORE_INFO_get_type(info);
983 switch (type) {
984 case OSSL_STORE_INFO_PKEY:
985 if (ppkey != NULL && *ppkey == NULL) {
986 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
987 cnt_expectations -= ok;
988 }
989 /*
990 * An EVP_PKEY with private parts also holds the public parts,
991 * so if the caller asked for a public key, and we got a private
992 * key, we can still pass it back.
993 */
994 if (ok && ppubkey != NULL && *ppubkey == NULL) {
995 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
996 cnt_expectations -= ok;
997 }
998 break;
999 case OSSL_STORE_INFO_PUBKEY:
1000 if (ppubkey != NULL && *ppubkey == NULL) {
1001 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
1002 cnt_expectations -= ok;
1003 }
1004 break;
1005 case OSSL_STORE_INFO_PARAMS:
1006 if (pparams != NULL && *pparams == NULL) {
1007 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
1008 cnt_expectations -= ok;
1009 }
1010 break;
1011 case OSSL_STORE_INFO_CERT:
1012 if (pcert != NULL && *pcert == NULL) {
1013 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1014 cnt_expectations -= ok;
1015 }
1016 else if (pcerts != NULL)
1017 ok = X509_add_cert(*pcerts,
1018 OSSL_STORE_INFO_get1_CERT(info),
1019 X509_ADD_FLAG_DEFAULT);
1020 ncerts += ok;
1021 break;
1022 case OSSL_STORE_INFO_CRL:
1023 if (pcrl != NULL && *pcrl == NULL) {
1024 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1025 cnt_expectations -= ok;
1026 }
1027 else if (pcrls != NULL)
1028 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1029 ncrls += ok;
1030 break;
1031 default:
1032 /* skip any other type */
1033 break;
1034 }
1035 OSSL_STORE_INFO_free(info);
1036 if (!ok) {
1037 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1038 BIO_printf(bio_err, "Error reading");
1039 break;
1040 }
1041 }
1042
1043 end:
1044 OSSL_STORE_close(ctx);
1045 if (failed == NULL) {
1046 int any = 0;
1047
1048 if ((ppkey != NULL && *ppkey == NULL)
1049 || (ppubkey != NULL && *ppubkey == NULL)) {
1050 failed = "key";
1051 } else if (pparams != NULL && *pparams == NULL) {
1052 failed = "params";
1053 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1054 if (pcert == NULL)
1055 any = 1;
1056 failed = "cert";
1057 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1058 if (pcrl == NULL)
1059 any = 1;
1060 failed = "CRL";
1061 }
1062 if (failed != NULL)
1063 BIO_printf(bio_err, "Could not read");
1064 if (any)
1065 BIO_printf(bio_err, " any");
1066 }
1067 if (failed != NULL) {
1068 unsigned long err = ERR_peek_last_error();
1069
1070 if (desc != NULL && strstr(desc, failed) != NULL) {
1071 BIO_printf(bio_err, " %s", desc);
1072 } else {
1073 BIO_printf(bio_err, " %s", failed);
1074 if (desc != NULL)
1075 BIO_printf(bio_err, " of %s", desc);
1076 }
1077 if (uri != NULL)
1078 BIO_printf(bio_err, " from %s", uri);
1079 if (ERR_SYSTEM_ERROR(err)) {
1080 /* provide more readable diagnostic output */
1081 BIO_printf(bio_err, ": %s", strerror(ERR_GET_REASON(err)));
1082 ERR_pop_to_mark();
1083 ERR_set_mark();
1084 }
1085 BIO_printf(bio_err, "\n");
1086 ERR_print_errors(bio_err);
1087 }
1088 if (bio_err == NULL || failed == NULL)
1089 /* clear any suppressed or spurious errors */
1090 ERR_pop_to_mark();
1091 else
1092 ERR_clear_last_mark();
1093 return failed == NULL;
1094}
1095
1096#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1097/* Return error for unknown extensions */
1098#define X509V3_EXT_DEFAULT 0
1099/* Print error for unknown extensions */
1100#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1101/* ASN1 parse unknown extensions */
1102#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1103/* BIO_dump unknown extensions */
1104#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1105
1106#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1107 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1108
1109int set_cert_ex(unsigned long *flags, const char *arg)
1110{
1111 static const NAME_EX_TBL cert_tbl[] = {
1112 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1113 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1114 {"no_header", X509_FLAG_NO_HEADER, 0},
1115 {"no_version", X509_FLAG_NO_VERSION, 0},
1116 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1117 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1118 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1119 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1120 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1121 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1122 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1123 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1124 {"no_aux", X509_FLAG_NO_AUX, 0},
1125 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1126 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1127 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1128 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1129 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1130 {NULL, 0, 0}
1131 };
1132 return set_multi_opts(flags, arg, cert_tbl);
1133}
1134
1135int set_name_ex(unsigned long *flags, const char *arg)
1136{
1137 static const NAME_EX_TBL ex_tbl[] = {
1138 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1139 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1140 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1141 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1142 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1143 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1144 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1145 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1146 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1147 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1148 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1149 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1150 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1151 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1152 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1153 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1154 {"dn_rev", XN_FLAG_DN_REV, 0},
1155 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1156 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1157 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1158 {"align", XN_FLAG_FN_ALIGN, 0},
1159 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1160 {"space_eq", XN_FLAG_SPC_EQ, 0},
1161 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1162 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1163 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1164 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1165 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1166 {NULL, 0, 0}
1167 };
1168 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1169 return 0;
1170 if (*flags != XN_FLAG_COMPAT
1171 && (*flags & XN_FLAG_SEP_MASK) == 0)
1172 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1173 return 1;
1174}
1175
1176int set_dateopt(unsigned long *dateopt, const char *arg)
1177{
1178 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1179 *dateopt = ASN1_DTFLGS_RFC822;
1180 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1181 *dateopt = ASN1_DTFLGS_ISO8601;
1182 else
1183 return 0;
1184 return 1;
1185}
1186
1187int set_ext_copy(int *copy_type, const char *arg)
1188{
1189 if (OPENSSL_strcasecmp(arg, "none") == 0)
1190 *copy_type = EXT_COPY_NONE;
1191 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1192 *copy_type = EXT_COPY_ADD;
1193 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1194 *copy_type = EXT_COPY_ALL;
1195 else
1196 return 0;
1197 return 1;
1198}
1199
1200int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1201{
1202 STACK_OF(X509_EXTENSION) *exts;
1203 int i, ret = 0;
1204
1205 if (x == NULL || req == NULL)
1206 return 0;
1207 if (copy_type == EXT_COPY_NONE)
1208 return 1;
1209 exts = X509_REQ_get_extensions(req);
1210
1211 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1212 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1213 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1214 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1215
1216 /* Does extension exist in target? */
1217 if (idx != -1) {
1218 /* If normal copy don't override existing extension */
1219 if (copy_type == EXT_COPY_ADD)
1220 continue;
1221 /* Delete all extensions of same type */
1222 do {
1223 X509_EXTENSION_free(X509_delete_ext(x, idx));
1224 idx = X509_get_ext_by_OBJ(x, obj, -1);
1225 } while (idx != -1);
1226 }
1227 if (!X509_add_ext(x, ext, -1))
1228 goto end;
1229 }
1230 ret = 1;
1231
1232 end:
1233 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1234 return ret;
1235}
1236
1237static int set_multi_opts(unsigned long *flags, const char *arg,
1238 const NAME_EX_TBL * in_tbl)
1239{
1240 STACK_OF(CONF_VALUE) *vals;
1241 CONF_VALUE *val;
1242 int i, ret = 1;
1243 if (!arg)
1244 return 0;
1245 vals = X509V3_parse_list(arg);
1246 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1247 val = sk_CONF_VALUE_value(vals, i);
1248 if (!set_table_opts(flags, val->name, in_tbl))
1249 ret = 0;
1250 }
1251 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1252 return ret;
1253}
1254
1255static int set_table_opts(unsigned long *flags, const char *arg,
1256 const NAME_EX_TBL * in_tbl)
1257{
1258 char c;
1259 const NAME_EX_TBL *ptbl;
1260 c = arg[0];
1261
1262 if (c == '-') {
1263 c = 0;
1264 arg++;
1265 } else if (c == '+') {
1266 c = 1;
1267 arg++;
1268 } else {
1269 c = 1;
1270 }
1271
1272 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1273 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1274 *flags &= ~ptbl->mask;
1275 if (c)
1276 *flags |= ptbl->flag;
1277 else
1278 *flags &= ~ptbl->flag;
1279 return 1;
1280 }
1281 }
1282 return 0;
1283}
1284
1285void print_name(BIO *out, const char *title, const X509_NAME *nm)
1286{
1287 char *buf;
1288 char mline = 0;
1289 int indent = 0;
1290 unsigned long lflags = get_nameopt();
1291
1292 if (out == NULL)
1293 return;
1294 if (title != NULL)
1295 BIO_puts(out, title);
1296 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1297 mline = 1;
1298 indent = 4;
1299 }
1300 if (lflags == XN_FLAG_COMPAT) {
1301 buf = X509_NAME_oneline(nm, 0, 0);
1302 BIO_puts(out, buf);
1303 BIO_puts(out, "\n");
1304 OPENSSL_free(buf);
1305 } else {
1306 if (mline)
1307 BIO_puts(out, "\n");
1308 X509_NAME_print_ex(out, nm, indent, lflags);
1309 BIO_puts(out, "\n");
1310 }
1311}
1312
1313void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1314 int len, unsigned char *buffer)
1315{
1316 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1317 if (BN_is_zero(in)) {
1318 BIO_printf(out, "\n 0x00");
1319 } else {
1320 int i, l;
1321
1322 l = BN_bn2bin(in, buffer);
1323 for (i = 0; i < l; i++) {
1324 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1325 if (i < l - 1)
1326 BIO_printf(out, "0x%02X,", buffer[i]);
1327 else
1328 BIO_printf(out, "0x%02X", buffer[i]);
1329 }
1330 }
1331 BIO_printf(out, "\n };\n");
1332}
1333
1334void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1335{
1336 int i;
1337
1338 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1339 for (i = 0; i < len; i++) {
1340 if ((i % 10) == 0)
1341 BIO_printf(out, "\n ");
1342 if (i < len - 1)
1343 BIO_printf(out, "0x%02X, ", d[i]);
1344 else
1345 BIO_printf(out, "0x%02X", d[i]);
1346 }
1347 BIO_printf(out, "\n};\n");
1348}
1349
1350X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1351 const char *CApath, int noCApath,
1352 const char *CAstore, int noCAstore)
1353{
1354 X509_STORE *store = X509_STORE_new();
1355 X509_LOOKUP *lookup;
1356 OSSL_LIB_CTX *libctx = app_get0_libctx();
1357 const char *propq = app_get0_propq();
1358
1359 if (store == NULL)
1360 goto end;
1361
1362 if (CAfile != NULL || !noCAfile) {
1363 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1364 if (lookup == NULL)
1365 goto end;
1366 if (CAfile != NULL) {
1367 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1368 libctx, propq) <= 0) {
1369 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1370 goto end;
1371 }
1372 } else {
1373 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1374 libctx, propq);
1375 }
1376 }
1377
1378 if (CApath != NULL || !noCApath) {
1379 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1380 if (lookup == NULL)
1381 goto end;
1382 if (CApath != NULL) {
1383 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1384 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1385 goto end;
1386 }
1387 } else {
1388 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1389 }
1390 }
1391
1392 if (CAstore != NULL || !noCAstore) {
1393 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1394 if (lookup == NULL)
1395 goto end;
1396 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1397 if (CAstore != NULL)
1398 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1399 goto end;
1400 }
1401 }
1402
1403 ERR_clear_error();
1404 return store;
1405 end:
1406 ERR_print_errors(bio_err);
1407 X509_STORE_free(store);
1408 return NULL;
1409}
1410
1411static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1412{
1413 const char *n;
1414
1415 n = a[DB_serial];
1416 while (*n == '0')
1417 n++;
1418 return OPENSSL_LH_strhash(n);
1419}
1420
1421static int index_serial_cmp(const OPENSSL_CSTRING *a,
1422 const OPENSSL_CSTRING *b)
1423{
1424 const char *aa, *bb;
1425
1426 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1427 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1428 return strcmp(aa, bb);
1429}
1430
1431static int index_name_qual(char **a)
1432{
1433 return (a[0][0] == 'V');
1434}
1435
1436static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1437{
1438 return OPENSSL_LH_strhash(a[DB_name]);
1439}
1440
1441int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1442{
1443 return strcmp(a[DB_name], b[DB_name]);
1444}
1445
1446static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1447static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1448static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1449static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1450#undef BSIZE
1451#define BSIZE 256
1452BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1453 ASN1_INTEGER **retai)
1454{
1455 BIO *in = NULL;
1456 BIGNUM *ret = NULL;
1457 char buf[1024];
1458 ASN1_INTEGER *ai = NULL;
1459
1460 ai = ASN1_INTEGER_new();
1461 if (ai == NULL)
1462 goto err;
1463
1464 in = BIO_new_file(serialfile, "r");
1465 if (exists != NULL)
1466 *exists = in != NULL;
1467 if (in == NULL) {
1468 if (!create) {
1469 perror(serialfile);
1470 goto err;
1471 }
1472 ERR_clear_error();
1473 ret = BN_new();
1474 if (ret == NULL) {
1475 BIO_printf(bio_err, "Out of memory\n");
1476 } else if (!rand_serial(ret, ai)) {
1477 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1478 serialfile);
1479 BN_free(ret);
1480 ret = NULL;
1481 }
1482 } else {
1483 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1484 BIO_printf(bio_err, "Unable to load number from %s\n",
1485 serialfile);
1486 goto err;
1487 }
1488 ret = ASN1_INTEGER_to_BN(ai, NULL);
1489 if (ret == NULL) {
1490 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1491 goto err;
1492 }
1493 }
1494
1495 if (ret != NULL && retai != NULL) {
1496 *retai = ai;
1497 ai = NULL;
1498 }
1499 err:
1500 if (ret == NULL)
1501 ERR_print_errors(bio_err);
1502 BIO_free(in);
1503 ASN1_INTEGER_free(ai);
1504 return ret;
1505}
1506
1507int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1508 ASN1_INTEGER **retai)
1509{
1510 char buf[1][BSIZE];
1511 BIO *out = NULL;
1512 int ret = 0;
1513 ASN1_INTEGER *ai = NULL;
1514 int j;
1515
1516 if (suffix == NULL)
1517 j = strlen(serialfile);
1518 else
1519 j = strlen(serialfile) + strlen(suffix) + 1;
1520 if (j >= BSIZE) {
1521 BIO_printf(bio_err, "File name too long\n");
1522 goto err;
1523 }
1524
1525 if (suffix == NULL)
1526 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1527 else {
1528#ifndef OPENSSL_SYS_VMS
1529 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1530#else
1531 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1532#endif
1533 }
1534 out = BIO_new_file(buf[0], "w");
1535 if (out == NULL) {
1536 goto err;
1537 }
1538
1539 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1540 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1541 goto err;
1542 }
1543 i2a_ASN1_INTEGER(out, ai);
1544 BIO_puts(out, "\n");
1545 ret = 1;
1546 if (retai) {
1547 *retai = ai;
1548 ai = NULL;
1549 }
1550 err:
1551 if (!ret)
1552 ERR_print_errors(bio_err);
1553 BIO_free_all(out);
1554 ASN1_INTEGER_free(ai);
1555 return ret;
1556}
1557
1558int rotate_serial(const char *serialfile, const char *new_suffix,
1559 const char *old_suffix)
1560{
1561 char buf[2][BSIZE];
1562 int i, j;
1563
1564 i = strlen(serialfile) + strlen(old_suffix);
1565 j = strlen(serialfile) + strlen(new_suffix);
1566 if (i > j)
1567 j = i;
1568 if (j + 1 >= BSIZE) {
1569 BIO_printf(bio_err, "File name too long\n");
1570 goto err;
1571 }
1572#ifndef OPENSSL_SYS_VMS
1573 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1574 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1575#else
1576 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1577 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1578#endif
1579 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1580#ifdef ENOTDIR
1581 && errno != ENOTDIR
1582#endif
1583 ) {
1584 BIO_printf(bio_err,
1585 "Unable to rename %s to %s\n", serialfile, buf[1]);
1586 perror("reason");
1587 goto err;
1588 }
1589 if (rename(buf[0], serialfile) < 0) {
1590 BIO_printf(bio_err,
1591 "Unable to rename %s to %s\n", buf[0], serialfile);
1592 perror("reason");
1593 rename(buf[1], serialfile);
1594 goto err;
1595 }
1596 return 1;
1597 err:
1598 ERR_print_errors(bio_err);
1599 return 0;
1600}
1601
1602int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1603{
1604 BIGNUM *btmp;
1605 int ret = 0;
1606
1607 btmp = b == NULL ? BN_new() : b;
1608 if (btmp == NULL)
1609 return 0;
1610
1611 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1612 goto error;
1613 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1614 goto error;
1615
1616 ret = 1;
1617
1618 error:
1619
1620 if (btmp != b)
1621 BN_free(btmp);
1622
1623 return ret;
1624}
1625
1626CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1627{
1628 CA_DB *retdb = NULL;
1629 TXT_DB *tmpdb = NULL;
1630 BIO *in;
1631 CONF *dbattr_conf = NULL;
1632 char buf[BSIZE];
1633#ifndef OPENSSL_NO_POSIX_IO
1634 FILE *dbfp;
1635 struct stat dbst;
1636#endif
1637
1638 in = BIO_new_file(dbfile, "r");
1639 if (in == NULL)
1640 goto err;
1641
1642#ifndef OPENSSL_NO_POSIX_IO
1643 BIO_get_fp(in, &dbfp);
1644 if (fstat(fileno(dbfp), &dbst) == -1) {
1645 ERR_raise_data(ERR_LIB_SYS, errno,
1646 "calling fstat(%s)", dbfile);
1647 goto err;
1648 }
1649#endif
1650
1651 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1652 goto err;
1653
1654#ifndef OPENSSL_SYS_VMS
1655 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1656#else
1657 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1658#endif
1659 dbattr_conf = app_load_config_quiet(buf);
1660
1661 retdb = app_malloc(sizeof(*retdb), "new DB");
1662 retdb->db = tmpdb;
1663 tmpdb = NULL;
1664 if (db_attr)
1665 retdb->attributes = *db_attr;
1666 else {
1667 retdb->attributes.unique_subject = 1;
1668 }
1669
1670 if (dbattr_conf) {
1671 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1672 if (p) {
1673 retdb->attributes.unique_subject = parse_yesno(p, 1);
1674 }
1675 }
1676
1677 retdb->dbfname = OPENSSL_strdup(dbfile);
1678#ifndef OPENSSL_NO_POSIX_IO
1679 retdb->dbst = dbst;
1680#endif
1681
1682 err:
1683 ERR_print_errors(bio_err);
1684 NCONF_free(dbattr_conf);
1685 TXT_DB_free(tmpdb);
1686 BIO_free_all(in);
1687 return retdb;
1688}
1689
1690/*
1691 * Returns > 0 on success, <= 0 on error
1692 */
1693int index_index(CA_DB *db)
1694{
1695 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1696 LHASH_HASH_FN(index_serial),
1697 LHASH_COMP_FN(index_serial))) {
1698 BIO_printf(bio_err,
1699 "Error creating serial number index:(%ld,%ld,%ld)\n",
1700 db->db->error, db->db->arg1, db->db->arg2);
1701 goto err;
1702 }
1703
1704 if (db->attributes.unique_subject
1705 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1706 LHASH_HASH_FN(index_name),
1707 LHASH_COMP_FN(index_name))) {
1708 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1709 db->db->error, db->db->arg1, db->db->arg2);
1710 goto err;
1711 }
1712 return 1;
1713 err:
1714 ERR_print_errors(bio_err);
1715 return 0;
1716}
1717
1718int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1719{
1720 char buf[3][BSIZE];
1721 BIO *out;
1722 int j;
1723
1724 j = strlen(dbfile) + strlen(suffix);
1725 if (j + 6 >= BSIZE) {
1726 BIO_printf(bio_err, "File name too long\n");
1727 goto err;
1728 }
1729#ifndef OPENSSL_SYS_VMS
1730 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1731 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1732 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1733#else
1734 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1735 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1736 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1737#endif
1738 out = BIO_new_file(buf[0], "w");
1739 if (out == NULL) {
1740 perror(dbfile);
1741 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1742 goto err;
1743 }
1744 j = TXT_DB_write(out, db->db);
1745 BIO_free(out);
1746 if (j <= 0)
1747 goto err;
1748
1749 out = BIO_new_file(buf[1], "w");
1750 if (out == NULL) {
1751 perror(buf[2]);
1752 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1753 goto err;
1754 }
1755 BIO_printf(out, "unique_subject = %s\n",
1756 db->attributes.unique_subject ? "yes" : "no");
1757 BIO_free(out);
1758
1759 return 1;
1760 err:
1761 ERR_print_errors(bio_err);
1762 return 0;
1763}
1764
1765int rotate_index(const char *dbfile, const char *new_suffix,
1766 const char *old_suffix)
1767{
1768 char buf[5][BSIZE];
1769 int i, j;
1770
1771 i = strlen(dbfile) + strlen(old_suffix);
1772 j = strlen(dbfile) + strlen(new_suffix);
1773 if (i > j)
1774 j = i;
1775 if (j + 6 >= BSIZE) {
1776 BIO_printf(bio_err, "File name too long\n");
1777 goto err;
1778 }
1779#ifndef OPENSSL_SYS_VMS
1780 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1781 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1782 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1783 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1784 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1785#else
1786 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1787 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1788 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1789 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1790 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1791#endif
1792 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1793#ifdef ENOTDIR
1794 && errno != ENOTDIR
1795#endif
1796 ) {
1797 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1798 perror("reason");
1799 goto err;
1800 }
1801 if (rename(buf[0], dbfile) < 0) {
1802 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1803 perror("reason");
1804 rename(buf[1], dbfile);
1805 goto err;
1806 }
1807 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1808#ifdef ENOTDIR
1809 && errno != ENOTDIR
1810#endif
1811 ) {
1812 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1813 perror("reason");
1814 rename(dbfile, buf[0]);
1815 rename(buf[1], dbfile);
1816 goto err;
1817 }
1818 if (rename(buf[2], buf[4]) < 0) {
1819 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1820 perror("reason");
1821 rename(buf[3], buf[4]);
1822 rename(dbfile, buf[0]);
1823 rename(buf[1], dbfile);
1824 goto err;
1825 }
1826 return 1;
1827 err:
1828 ERR_print_errors(bio_err);
1829 return 0;
1830}
1831
1832void free_index(CA_DB *db)
1833{
1834 if (db) {
1835 TXT_DB_free(db->db);
1836 OPENSSL_free(db->dbfname);
1837 OPENSSL_free(db);
1838 }
1839}
1840
1841int parse_yesno(const char *str, int def)
1842{
1843 if (str) {
1844 switch (*str) {
1845 case 'f': /* false */
1846 case 'F': /* FALSE */
1847 case 'n': /* no */
1848 case 'N': /* NO */
1849 case '0': /* 0 */
1850 return 0;
1851 case 't': /* true */
1852 case 'T': /* TRUE */
1853 case 'y': /* yes */
1854 case 'Y': /* YES */
1855 case '1': /* 1 */
1856 return 1;
1857 }
1858 }
1859 return def;
1860}
1861
1862/*
1863 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1864 * where + can be used instead of / to form multi-valued RDNs if canmulti
1865 * and characters may be escaped by \
1866 */
1867X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1868 const char *desc)
1869{
1870 int nextismulti = 0;
1871 char *work;
1872 X509_NAME *n;
1873
1874 if (*cp++ != '/') {
1875 BIO_printf(bio_err,
1876 "%s: %s name is expected to be in the format "
1877 "/type0=value0/type1=value1/type2=... where characters may "
1878 "be escaped by \\. This name is not in that format: '%s'\n",
1879 opt_getprog(), desc, --cp);
1880 return NULL;
1881 }
1882
1883 n = X509_NAME_new();
1884 if (n == NULL) {
1885 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1886 return NULL;
1887 }
1888 work = OPENSSL_strdup(cp);
1889 if (work == NULL) {
1890 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1891 opt_getprog(), desc);
1892 goto err;
1893 }
1894
1895 while (*cp != '\0') {
1896 char *bp = work;
1897 char *typestr = bp;
1898 unsigned char *valstr;
1899 int nid;
1900 int ismulti = nextismulti;
1901 nextismulti = 0;
1902
1903 /* Collect the type */
1904 while (*cp != '\0' && *cp != '=')
1905 *bp++ = *cp++;
1906 *bp++ = '\0';
1907 if (*cp == '\0') {
1908 BIO_printf(bio_err,
1909 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1910 opt_getprog(), typestr, desc);
1911 goto err;
1912 }
1913 ++cp;
1914
1915 /* Collect the value. */
1916 valstr = (unsigned char *)bp;
1917 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1918 /* unescaped '+' symbol string signals further member of multiRDN */
1919 if (canmulti && *cp == '+') {
1920 nextismulti = 1;
1921 break;
1922 }
1923 if (*cp == '\\' && *++cp == '\0') {
1924 BIO_printf(bio_err,
1925 "%s: Escape character at end of %s name string\n",
1926 opt_getprog(), desc);
1927 goto err;
1928 }
1929 }
1930 *bp++ = '\0';
1931
1932 /* If not at EOS (must be + or /), move forward. */
1933 if (*cp != '\0')
1934 ++cp;
1935
1936 /* Parse */
1937 nid = OBJ_txt2nid(typestr);
1938 if (nid == NID_undef) {
1939 BIO_printf(bio_err,
1940 "%s: Skipping unknown %s name attribute \"%s\"\n",
1941 opt_getprog(), desc, typestr);
1942 if (ismulti)
1943 BIO_printf(bio_err,
1944 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1945 continue;
1946 }
1947 if (*valstr == '\0') {
1948 BIO_printf(bio_err,
1949 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1950 opt_getprog(), desc, typestr);
1951 continue;
1952 }
1953 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1954 valstr, strlen((char *)valstr),
1955 -1, ismulti ? -1 : 0)) {
1956 ERR_print_errors(bio_err);
1957 BIO_printf(bio_err,
1958 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1959 opt_getprog(), desc, typestr ,valstr);
1960 goto err;
1961 }
1962 }
1963
1964 OPENSSL_free(work);
1965 return n;
1966
1967 err:
1968 X509_NAME_free(n);
1969 OPENSSL_free(work);
1970 return NULL;
1971}
1972
1973/*
1974 * Read whole contents of a BIO into an allocated memory buffer and return
1975 * it.
1976 */
1977
1978int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1979{
1980 BIO *mem;
1981 int len, ret;
1982 unsigned char tbuf[1024];
1983
1984 mem = BIO_new(BIO_s_mem());
1985 if (mem == NULL)
1986 return -1;
1987 for (;;) {
1988 if ((maxlen != -1) && maxlen < 1024)
1989 len = maxlen;
1990 else
1991 len = 1024;
1992 len = BIO_read(in, tbuf, len);
1993 if (len < 0) {
1994 BIO_free(mem);
1995 return -1;
1996 }
1997 if (len == 0)
1998 break;
1999 if (BIO_write(mem, tbuf, len) != len) {
2000 BIO_free(mem);
2001 return -1;
2002 }
2003 maxlen -= len;
2004
2005 if (maxlen == 0)
2006 break;
2007 }
2008 ret = BIO_get_mem_data(mem, (char **)out);
2009 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2010 BIO_free(mem);
2011 return ret;
2012}
2013
2014int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2015{
2016 int rv = 0;
2017 char *stmp, *vtmp = NULL;
2018
2019 stmp = OPENSSL_strdup(value);
2020 if (stmp == NULL)
2021 return -1;
2022 vtmp = strchr(stmp, ':');
2023 if (vtmp == NULL)
2024 goto err;
2025
2026 *vtmp = 0;
2027 vtmp++;
2028 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2029
2030 err:
2031 OPENSSL_free(stmp);
2032 return rv;
2033}
2034
2035static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2036{
2037 X509_POLICY_NODE *node;
2038 int i;
2039
2040 BIO_printf(bio_err, "%s Policies:", name);
2041 if (nodes) {
2042 BIO_puts(bio_err, "\n");
2043 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2044 node = sk_X509_POLICY_NODE_value(nodes, i);
2045 X509_POLICY_NODE_print(bio_err, node, 2);
2046 }
2047 } else {
2048 BIO_puts(bio_err, " <empty>\n");
2049 }
2050}
2051
2052void policies_print(X509_STORE_CTX *ctx)
2053{
2054 X509_POLICY_TREE *tree;
2055 int explicit_policy;
2056 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2057 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2058
2059 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2060 explicit_policy ? "True" : "False");
2061
2062 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2063 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2064}
2065
2066/*-
2067 * next_protos_parse parses a comma separated list of strings into a string
2068 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2069 * outlen: (output) set to the length of the resulting buffer on success.
2070 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2071 * in: a NUL terminated string like "abc,def,ghi"
2072 *
2073 * returns: a malloc'd buffer or NULL on failure.
2074 */
2075unsigned char *next_protos_parse(size_t *outlen, const char *in)
2076{
2077 size_t len;
2078 unsigned char *out;
2079 size_t i, start = 0;
2080 size_t skipped = 0;
2081
2082 len = strlen(in);
2083 if (len == 0 || len >= 65535)
2084 return NULL;
2085
2086 out = app_malloc(len + 1, "NPN buffer");
2087 for (i = 0; i <= len; ++i) {
2088 if (i == len || in[i] == ',') {
2089 /*
2090 * Zero-length ALPN elements are invalid on the wire, we could be
2091 * strict and reject the entire string, but just ignoring extra
2092 * commas seems harmless and more friendly.
2093 *
2094 * Every comma we skip in this way puts the input buffer another
2095 * byte ahead of the output buffer, so all stores into the output
2096 * buffer need to be decremented by the number commas skipped.
2097 */
2098 if (i == start) {
2099 ++start;
2100 ++skipped;
2101 continue;
2102 }
2103 if (i - start > 255) {
2104 OPENSSL_free(out);
2105 return NULL;
2106 }
2107 out[start-skipped] = (unsigned char)(i - start);
2108 start = i + 1;
2109 } else {
2110 out[i + 1 - skipped] = in[i];
2111 }
2112 }
2113
2114 if (len <= skipped) {
2115 OPENSSL_free(out);
2116 return NULL;
2117 }
2118
2119 *outlen = len + 1 - skipped;
2120 return out;
2121}
2122
2123void print_cert_checks(BIO *bio, X509 *x,
2124 const char *checkhost,
2125 const char *checkemail, const char *checkip)
2126{
2127 if (x == NULL)
2128 return;
2129 if (checkhost) {
2130 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2131 checkhost,
2132 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2133 ? "" : " NOT");
2134 }
2135
2136 if (checkemail) {
2137 BIO_printf(bio, "Email %s does%s match certificate\n",
2138 checkemail, X509_check_email(x, checkemail, 0, 0)
2139 ? "" : " NOT");
2140 }
2141
2142 if (checkip) {
2143 BIO_printf(bio, "IP %s does%s match certificate\n",
2144 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2145 }
2146}
2147
2148static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2149{
2150 int i;
2151
2152 if (opts == NULL)
2153 return 1;
2154
2155 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2156 char *opt = sk_OPENSSL_STRING_value(opts, i);
2157 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2158 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2159 ERR_print_errors(bio_err);
2160 return 0;
2161 }
2162 }
2163
2164 return 1;
2165}
2166
2167static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2168{
2169 int i;
2170
2171 if (opts == NULL)
2172 return 1;
2173
2174 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2175 char *opt = sk_OPENSSL_STRING_value(opts, i);
2176 if (x509_ctrl_string(x, opt) <= 0) {
2177 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2178 ERR_print_errors(bio_err);
2179 return 0;
2180 }
2181 }
2182
2183 return 1;
2184}
2185
2186static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2187{
2188 int i;
2189
2190 if (opts == NULL)
2191 return 1;
2192
2193 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2194 char *opt = sk_OPENSSL_STRING_value(opts, i);
2195 if (x509_req_ctrl_string(x, opt) <= 0) {
2196 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2197 ERR_print_errors(bio_err);
2198 return 0;
2199 }
2200 }
2201
2202 return 1;
2203}
2204
2205static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2206 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2207{
2208 EVP_PKEY_CTX *pkctx = NULL;
2209 char def_md[80];
2210
2211 if (ctx == NULL)
2212 return 0;
2213 /*
2214 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2215 * for this algorithm.
2216 */
2217 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2218 && strcmp(def_md, "UNDEF") == 0) {
2219 /* The signing algorithm requires there to be no digest */
2220 md = NULL;
2221 }
2222
2223 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2224 app_get0_propq(), pkey, NULL)
2225 && do_pkey_ctx_init(pkctx, sigopts);
2226}
2227
2228static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2229 const char *name, const char *value, int add_default)
2230{
2231 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2232 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2233 int idx, rv = 0;
2234
2235 if (new_ext == NULL)
2236 return rv;
2237
2238 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2239 if (idx >= 0) {
2240 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2241 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2242 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2243
2244 if (disabled) {
2245 X509_delete_ext(cert, idx);
2246 X509_EXTENSION_free(found_ext);
2247 } /* else keep existing key identifier, which might be outdated */
2248 rv = 1;
2249 } else {
2250 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2251 }
2252 X509_EXTENSION_free(new_ext);
2253 return rv;
2254}
2255
2256/* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2257int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2258 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2259{
2260 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2261 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2262 int self_sign;
2263 int rv = 0;
2264
2265 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2266 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2267 if (!X509_set_version(cert, X509_VERSION_3))
2268 goto end;
2269
2270 /*
2271 * Add default SKID before such that default AKID can make use of it
2272 * in case the certificate is self-signed
2273 */
2274 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2275 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2276 goto end;
2277 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2278 ERR_set_mark();
2279 self_sign = X509_check_private_key(cert, pkey);
2280 ERR_pop_to_mark();
2281 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2282 "keyid, issuer", !self_sign))
2283 goto end;
2284 }
2285
2286 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2287 rv = (X509_sign_ctx(cert, mctx) > 0);
2288 end:
2289 EVP_MD_CTX_free(mctx);
2290 return rv;
2291}
2292
2293/* Sign the certificate request info */
2294int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2295 STACK_OF(OPENSSL_STRING) *sigopts)
2296{
2297 int rv = 0;
2298 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2299
2300 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2301 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2302 EVP_MD_CTX_free(mctx);
2303 return rv;
2304}
2305
2306/* Sign the CRL info */
2307int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2308 STACK_OF(OPENSSL_STRING) *sigopts)
2309{
2310 int rv = 0;
2311 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2312
2313 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2314 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2315 EVP_MD_CTX_free(mctx);
2316 return rv;
2317}
2318
2319/*
2320 * do_X509_verify returns 1 if the signature is valid,
2321 * 0 if the signature check fails, or -1 if error occurs.
2322 */
2323int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2324{
2325 int rv = 0;
2326
2327 if (do_x509_init(x, vfyopts) > 0)
2328 rv = X509_verify(x, pkey);
2329 else
2330 rv = -1;
2331 return rv;
2332}
2333
2334/*
2335 * do_X509_REQ_verify returns 1 if the signature is valid,
2336 * 0 if the signature check fails, or -1 if error occurs.
2337 */
2338int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2339 STACK_OF(OPENSSL_STRING) *vfyopts)
2340{
2341 int rv = 0;
2342
2343 if (do_x509_req_init(x, vfyopts) > 0)
2344 rv = X509_REQ_verify_ex(x, pkey,
2345 app_get0_libctx(), app_get0_propq());
2346 else
2347 rv = -1;
2348 return rv;
2349}
2350
2351/* Get first http URL from a DIST_POINT structure */
2352
2353static const char *get_dp_url(DIST_POINT *dp)
2354{
2355 GENERAL_NAMES *gens;
2356 GENERAL_NAME *gen;
2357 int i, gtype;
2358 ASN1_STRING *uri;
2359 if (!dp->distpoint || dp->distpoint->type != 0)
2360 return NULL;
2361 gens = dp->distpoint->name.fullname;
2362 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2363 gen = sk_GENERAL_NAME_value(gens, i);
2364 uri = GENERAL_NAME_get0_value(gen, &gtype);
2365 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2366 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2367
2368 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2369 return uptr;
2370 }
2371 }
2372 return NULL;
2373}
2374
2375/*
2376 * Look through a CRLDP structure and attempt to find an http URL to
2377 * downloads a CRL from.
2378 */
2379
2380static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2381{
2382 int i;
2383 const char *urlptr = NULL;
2384 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2385 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2386 urlptr = get_dp_url(dp);
2387 if (urlptr != NULL)
2388 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2389 }
2390 return NULL;
2391}
2392
2393/*
2394 * Example of downloading CRLs from CRLDP:
2395 * not usable for real world as it always downloads and doesn't cache anything.
2396 */
2397
2398static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2399 const X509_NAME *nm)
2400{
2401 X509 *x;
2402 STACK_OF(X509_CRL) *crls = NULL;
2403 X509_CRL *crl;
2404 STACK_OF(DIST_POINT) *crldp;
2405
2406 crls = sk_X509_CRL_new_null();
2407 if (!crls)
2408 return NULL;
2409 x = X509_STORE_CTX_get_current_cert(ctx);
2410 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2411 crl = load_crl_crldp(crldp);
2412 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2413 if (!crl) {
2414 sk_X509_CRL_free(crls);
2415 return NULL;
2416 }
2417 sk_X509_CRL_push(crls, crl);
2418 /* Try to download delta CRL */
2419 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2420 crl = load_crl_crldp(crldp);
2421 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2422 if (crl)
2423 sk_X509_CRL_push(crls, crl);
2424 return crls;
2425}
2426
2427void store_setup_crl_download(X509_STORE *st)
2428{
2429 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2430}
2431
2432#ifndef OPENSSL_NO_SOCK
2433static const char *tls_error_hint(void)
2434{
2435 unsigned long err = ERR_peek_error();
2436
2437 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2438 err = ERR_peek_last_error();
2439 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2440 return NULL;
2441
2442 switch (ERR_GET_REASON(err)) {
2443 case SSL_R_WRONG_VERSION_NUMBER:
2444 return "The server does not support (a suitable version of) TLS";
2445 case SSL_R_UNKNOWN_PROTOCOL:
2446 return "The server does not support HTTPS";
2447 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2448 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2449 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2450 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2451 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2452 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2453 default: /* no error or no hint available for error */
2454 return NULL;
2455 }
2456}
2457
2458/* HTTP callback function that supports TLS connection also via HTTPS proxy */
2459BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2460{
2461 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2462 SSL_CTX *ssl_ctx = info->ssl_ctx;
2463
2464 if (ssl_ctx == NULL) /* not using TLS */
2465 return bio;
2466 if (connect) {
2467 SSL *ssl;
2468 BIO *sbio = NULL;
2469
2470 /* adapt after fixing callback design flaw, see #17088 */
2471 if ((info->use_proxy
2472 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2473 NULL, NULL, /* no proxy credentials */
2474 info->timeout, bio_err, opt_getprog()))
2475 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2476 return NULL;
2477 }
2478 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2479 BIO_free(sbio);
2480 return NULL;
2481 }
2482
2483 /* adapt after fixing callback design flaw, see #17088 */
2484 SSL_set_tlsext_host_name(ssl, info->server); /* not critical to do */
2485
2486 SSL_set_connect_state(ssl);
2487 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2488
2489 bio = BIO_push(sbio, bio);
2490 }
2491 if (!connect) {
2492 const char *hint;
2493 BIO *cbio;
2494
2495 if (!detail) { /* disconnecting after error */
2496 hint = tls_error_hint();
2497 if (hint != NULL)
2498 ERR_add_error_data(2, " : ", hint);
2499 }
2500 if (ssl_ctx != NULL) {
2501 (void)ERR_set_mark();
2502 BIO_ssl_shutdown(bio);
2503 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2504 BIO_free(bio); /* SSL BIO */
2505 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2506 bio = cbio;
2507 }
2508 }
2509 return bio;
2510}
2511
2512void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2513{
2514 if (info != NULL) {
2515 SSL_CTX_free(info->ssl_ctx);
2516 OPENSSL_free(info);
2517 }
2518}
2519
2520ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2521 const char *no_proxy, SSL_CTX *ssl_ctx,
2522 const STACK_OF(CONF_VALUE) *headers,
2523 long timeout, const char *expected_content_type,
2524 const ASN1_ITEM *it)
2525{
2526 APP_HTTP_TLS_INFO info;
2527 char *server;
2528 char *port;
2529 int use_ssl;
2530 BIO *mem;
2531 ASN1_VALUE *resp = NULL;
2532
2533 if (url == NULL || it == NULL) {
2534 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2535 return NULL;
2536 }
2537
2538 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2539 NULL /* port_num, */, NULL, NULL, NULL))
2540 return NULL;
2541 if (use_ssl && ssl_ctx == NULL) {
2542 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2543 "missing SSL_CTX");
2544 goto end;
2545 }
2546 if (!use_ssl && ssl_ctx != NULL) {
2547 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2548 "SSL_CTX given but use_ssl == 0");
2549 goto end;
2550 }
2551
2552 info.server = server;
2553 info.port = port;
2554 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2555 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2556 info.timeout = timeout;
2557 info.ssl_ctx = ssl_ctx;
2558 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2559 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2560 expected_content_type, 1 /* expect_asn1 */,
2561 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2562 resp = ASN1_item_d2i_bio(it, mem, NULL);
2563 BIO_free(mem);
2564
2565 end:
2566 OPENSSL_free(server);
2567 OPENSSL_free(port);
2568 return resp;
2569
2570}
2571
2572ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2573 const char *path, const char *proxy,
2574 const char *no_proxy, SSL_CTX *ssl_ctx,
2575 const STACK_OF(CONF_VALUE) *headers,
2576 const char *content_type,
2577 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2578 const char *expected_content_type,
2579 long timeout, const ASN1_ITEM *rsp_it)
2580{
2581 int use_ssl = ssl_ctx != NULL;
2582 APP_HTTP_TLS_INFO info;
2583 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2584 ASN1_VALUE *res;
2585
2586 if (req_mem == NULL)
2587 return NULL;
2588
2589 info.server = host;
2590 info.port = port;
2591 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2592 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2593 info.timeout = timeout;
2594 info.ssl_ctx = ssl_ctx;
2595 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2596 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2597 app_http_tls_cb, &info,
2598 0 /* buf_size */, headers, content_type, req_mem,
2599 expected_content_type, 1 /* expect_asn1 */,
2600 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2601 0 /* keep_alive */);
2602 BIO_free(req_mem);
2603 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2604 BIO_free(rsp);
2605 return res;
2606}
2607
2608#endif
2609
2610/*
2611 * Platform-specific sections
2612 */
2613#if defined(_WIN32)
2614# ifdef fileno
2615# undef fileno
2616# define fileno(a) (int)_fileno(a)
2617# endif
2618
2619# include <windows.h>
2620# include <tchar.h>
2621
2622static int WIN32_rename(const char *from, const char *to)
2623{
2624 TCHAR *tfrom = NULL, *tto;
2625 DWORD err;
2626 int ret = 0;
2627
2628 if (sizeof(TCHAR) == 1) {
2629 tfrom = (TCHAR *)from;
2630 tto = (TCHAR *)to;
2631 } else { /* UNICODE path */
2632
2633 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2634 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2635 if (tfrom == NULL)
2636 goto err;
2637 tto = tfrom + flen;
2638# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2639 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2640# endif
2641 for (i = 0; i < flen; i++)
2642 tfrom[i] = (TCHAR)from[i];
2643# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2644 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2645# endif
2646 for (i = 0; i < tlen; i++)
2647 tto[i] = (TCHAR)to[i];
2648 }
2649
2650 if (MoveFile(tfrom, tto))
2651 goto ok;
2652 err = GetLastError();
2653 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2654 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2655 goto ok;
2656 err = GetLastError();
2657 }
2658 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2659 errno = ENOENT;
2660 else if (err == ERROR_ACCESS_DENIED)
2661 errno = EACCES;
2662 else
2663 errno = EINVAL; /* we could map more codes... */
2664 err:
2665 ret = -1;
2666 ok:
2667 if (tfrom != NULL && tfrom != (TCHAR *)from)
2668 free(tfrom);
2669 return ret;
2670}
2671#endif
2672
2673/* app_tminterval section */
2674#if defined(_WIN32)
2675double app_tminterval(int stop, int usertime)
2676{
2677 FILETIME now;
2678 double ret = 0;
2679 static ULARGE_INTEGER tmstart;
2680 static int warning = 1;
2681# ifdef _WIN32_WINNT
2682 static HANDLE proc = NULL;
2683
2684 if (proc == NULL) {
2685 if (check_winnt())
2686 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2687 GetCurrentProcessId());
2688 if (proc == NULL)
2689 proc = (HANDLE) - 1;
2690 }
2691
2692 if (usertime && proc != (HANDLE) - 1) {
2693 FILETIME junk;
2694 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2695 } else
2696# endif
2697 {
2698 SYSTEMTIME systime;
2699
2700 if (usertime && warning) {
2701 BIO_printf(bio_err, "To get meaningful results, run "
2702 "this program on idle system.\n");
2703 warning = 0;
2704 }
2705 GetSystemTime(&systime);
2706 SystemTimeToFileTime(&systime, &now);
2707 }
2708
2709 if (stop == TM_START) {
2710 tmstart.u.LowPart = now.dwLowDateTime;
2711 tmstart.u.HighPart = now.dwHighDateTime;
2712 } else {
2713 ULARGE_INTEGER tmstop;
2714
2715 tmstop.u.LowPart = now.dwLowDateTime;
2716 tmstop.u.HighPart = now.dwHighDateTime;
2717
2718 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2719 }
2720
2721 return ret;
2722}
2723#elif defined(OPENSSL_SYS_VXWORKS)
2724# include <time.h>
2725
2726double app_tminterval(int stop, int usertime)
2727{
2728 double ret = 0;
2729# ifdef CLOCK_REALTIME
2730 static struct timespec tmstart;
2731 struct timespec now;
2732# else
2733 static unsigned long tmstart;
2734 unsigned long now;
2735# endif
2736 static int warning = 1;
2737
2738 if (usertime && warning) {
2739 BIO_printf(bio_err, "To get meaningful results, run "
2740 "this program on idle system.\n");
2741 warning = 0;
2742 }
2743# ifdef CLOCK_REALTIME
2744 clock_gettime(CLOCK_REALTIME, &now);
2745 if (stop == TM_START)
2746 tmstart = now;
2747 else
2748 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2749 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2750# else
2751 now = tickGet();
2752 if (stop == TM_START)
2753 tmstart = now;
2754 else
2755 ret = (now - tmstart) / (double)sysClkRateGet();
2756# endif
2757 return ret;
2758}
2759
2760#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2761# include <sys/times.h>
2762
2763double app_tminterval(int stop, int usertime)
2764{
2765 double ret = 0;
2766 struct tms rus;
2767 clock_t now = times(&rus);
2768 static clock_t tmstart;
2769
2770 if (usertime)
2771 now = rus.tms_utime;
2772
2773 if (stop == TM_START) {
2774 tmstart = now;
2775 } else {
2776 long int tck = sysconf(_SC_CLK_TCK);
2777 ret = (now - tmstart) / (double)tck;
2778 }
2779
2780 return ret;
2781}
2782
2783#else
2784# include <sys/time.h>
2785# include <sys/resource.h>
2786
2787double app_tminterval(int stop, int usertime)
2788{
2789 double ret = 0;
2790 struct rusage rus;
2791 struct timeval now;
2792 static struct timeval tmstart;
2793
2794 if (usertime)
2795 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2796 else
2797 gettimeofday(&now, NULL);
2798
2799 if (stop == TM_START)
2800 tmstart = now;
2801 else
2802 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2803 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2804
2805 return ret;
2806}
2807#endif
2808
2809int app_access(const char* name, int flag)
2810{
2811#ifdef _WIN32
2812 return _access(name, flag);
2813#else
2814 return access(name, flag);
2815#endif
2816}
2817
2818int app_isdir(const char *name)
2819{
2820 return opt_isdir(name);
2821}
2822
2823/* raw_read|write section */
2824#if defined(__VMS)
2825# include "vms_term_sock.h"
2826static int stdin_sock = -1;
2827
2828static void close_stdin_sock(void)
2829{
2830 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2831}
2832
2833int fileno_stdin(void)
2834{
2835 if (stdin_sock == -1) {
2836 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2837 atexit(close_stdin_sock);
2838 }
2839
2840 return stdin_sock;
2841}
2842#else
2843int fileno_stdin(void)
2844{
2845 return fileno(stdin);
2846}
2847#endif
2848
2849int fileno_stdout(void)
2850{
2851 return fileno(stdout);
2852}
2853
2854#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2855int raw_read_stdin(void *buf, int siz)
2856{
2857 DWORD n;
2858 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2859 return n;
2860 else
2861 return -1;
2862}
2863#elif defined(__VMS)
2864# include <sys/socket.h>
2865
2866int raw_read_stdin(void *buf, int siz)
2867{
2868 return recv(fileno_stdin(), buf, siz, 0);
2869}
2870#else
2871# if defined(__TANDEM)
2872# if defined(OPENSSL_TANDEM_FLOSS)
2873# include <floss.h(floss_read)>
2874# endif
2875# endif
2876int raw_read_stdin(void *buf, int siz)
2877{
2878 return read(fileno_stdin(), buf, siz);
2879}
2880#endif
2881
2882#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2883int raw_write_stdout(const void *buf, int siz)
2884{
2885 DWORD n;
2886 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2887 return n;
2888 else
2889 return -1;
2890}
2891#elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2892# if defined(__TANDEM)
2893# if defined(OPENSSL_TANDEM_FLOSS)
2894# include <floss.h(floss_write)>
2895# endif
2896# endif
2897int raw_write_stdout(const void *buf,int siz)
2898{
2899 return write(fileno(stdout),(void*)buf,siz);
2900}
2901#else
2902# if defined(__TANDEM)
2903# if defined(OPENSSL_TANDEM_FLOSS)
2904# include <floss.h(floss_write)>
2905# endif
2906# endif
2907int raw_write_stdout(const void *buf, int siz)
2908{
2909 return write(fileno_stdout(), buf, siz);
2910}
2911#endif
2912
2913/*
2914 * Centralized handling of input and output files with format specification
2915 * The format is meant to show what the input and output is supposed to be,
2916 * and is therefore a show of intent more than anything else. However, it
2917 * does impact behavior on some platforms, such as differentiating between
2918 * text and binary input/output on non-Unix platforms
2919 */
2920BIO *dup_bio_in(int format)
2921{
2922 return BIO_new_fp(stdin,
2923 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2924}
2925
2926BIO *dup_bio_out(int format)
2927{
2928 BIO *b = BIO_new_fp(stdout,
2929 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2930 void *prefix = NULL;
2931
2932 if (b == NULL)
2933 return NULL;
2934
2935#ifdef OPENSSL_SYS_VMS
2936 if (FMT_istext(format))
2937 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2938#endif
2939
2940 if (FMT_istext(format)
2941 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2942 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2943 BIO_set_prefix(b, prefix);
2944 }
2945
2946 return b;
2947}
2948
2949BIO *dup_bio_err(int format)
2950{
2951 BIO *b = BIO_new_fp(stderr,
2952 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2953#ifdef OPENSSL_SYS_VMS
2954 if (b != NULL && FMT_istext(format))
2955 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2956#endif
2957 return b;
2958}
2959
2960void unbuffer(FILE *fp)
2961{
2962/*
2963 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2964 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2965 * However, we trust that the C RTL will never give us a FILE pointer
2966 * above the first 4 GB of memory, so we simply turn off the warning
2967 * temporarily.
2968 */
2969#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2970# pragma environment save
2971# pragma message disable maylosedata2
2972#endif
2973 setbuf(fp, NULL);
2974#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2975# pragma environment restore
2976#endif
2977}
2978
2979static const char *modestr(char mode, int format)
2980{
2981 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2982
2983 switch (mode) {
2984 case 'a':
2985 return FMT_istext(format) ? "a" : "ab";
2986 case 'r':
2987 return FMT_istext(format) ? "r" : "rb";
2988 case 'w':
2989 return FMT_istext(format) ? "w" : "wb";
2990 }
2991 /* The assert above should make sure we never reach this point */
2992 return NULL;
2993}
2994
2995static const char *modeverb(char mode)
2996{
2997 switch (mode) {
2998 case 'a':
2999 return "appending";
3000 case 'r':
3001 return "reading";
3002 case 'w':
3003 return "writing";
3004 }
3005 return "(doing something)";
3006}
3007
3008/*
3009 * Open a file for writing, owner-read-only.
3010 */
3011BIO *bio_open_owner(const char *filename, int format, int private)
3012{
3013 FILE *fp = NULL;
3014 BIO *b = NULL;
3015 int textmode, bflags;
3016#ifndef OPENSSL_NO_POSIX_IO
3017 int fd = -1, mode;
3018#endif
3019
3020 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3021 return bio_open_default(filename, 'w', format);
3022
3023 textmode = FMT_istext(format);
3024#ifndef OPENSSL_NO_POSIX_IO
3025 mode = O_WRONLY;
3026# ifdef O_CREAT
3027 mode |= O_CREAT;
3028# endif
3029# ifdef O_TRUNC
3030 mode |= O_TRUNC;
3031# endif
3032 if (!textmode) {
3033# ifdef O_BINARY
3034 mode |= O_BINARY;
3035# elif defined(_O_BINARY)
3036 mode |= _O_BINARY;
3037# endif
3038 }
3039
3040# ifdef OPENSSL_SYS_VMS
3041 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
3042 * it still needs to know that we're going binary, or fdopen()
3043 * will fail with "invalid argument"... so we tell VMS what the
3044 * context is.
3045 */
3046 if (!textmode)
3047 fd = open(filename, mode, 0600, "ctx=bin");
3048 else
3049# endif
3050 fd = open(filename, mode, 0600);
3051 if (fd < 0)
3052 goto err;
3053 fp = fdopen(fd, modestr('w', format));
3054#else /* OPENSSL_NO_POSIX_IO */
3055 /* Have stdio but not Posix IO, do the best we can */
3056 fp = fopen(filename, modestr('w', format));
3057#endif /* OPENSSL_NO_POSIX_IO */
3058 if (fp == NULL)
3059 goto err;
3060 bflags = BIO_CLOSE;
3061 if (textmode)
3062 bflags |= BIO_FP_TEXT;
3063 b = BIO_new_fp(fp, bflags);
3064 if (b != NULL)
3065 return b;
3066
3067 err:
3068 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3069 opt_getprog(), filename, strerror(errno));
3070 ERR_print_errors(bio_err);
3071 /* If we have fp, then fdopen took over fd, so don't close both. */
3072 if (fp != NULL)
3073 fclose(fp);
3074#ifndef OPENSSL_NO_POSIX_IO
3075 else if (fd >= 0)
3076 close(fd);
3077#endif
3078 return NULL;
3079}
3080
3081static BIO *bio_open_default_(const char *filename, char mode, int format,
3082 int quiet)
3083{
3084 BIO *ret;
3085
3086 if (filename == NULL || strcmp(filename, "-") == 0) {
3087 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3088 if (quiet) {
3089 ERR_clear_error();
3090 return ret;
3091 }
3092 if (ret != NULL)
3093 return ret;
3094 BIO_printf(bio_err,
3095 "Can't open %s, %s\n",
3096 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3097 } else {
3098 ret = BIO_new_file(filename, modestr(mode, format));
3099 if (quiet) {
3100 ERR_clear_error();
3101 return ret;
3102 }
3103 if (ret != NULL)
3104 return ret;
3105 BIO_printf(bio_err,
3106 "Can't open \"%s\" for %s, %s\n",
3107 filename, modeverb(mode), strerror(errno));
3108 }
3109 ERR_print_errors(bio_err);
3110 return NULL;
3111}
3112
3113BIO *bio_open_default(const char *filename, char mode, int format)
3114{
3115 return bio_open_default_(filename, mode, format, 0);
3116}
3117
3118BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3119{
3120 return bio_open_default_(filename, mode, format, 1);
3121}
3122
3123void wait_for_async(SSL *s)
3124{
3125 /* On Windows select only works for sockets, so we simply don't wait */
3126#ifndef OPENSSL_SYS_WINDOWS
3127 int width = 0;
3128 fd_set asyncfds;
3129 OSSL_ASYNC_FD *fds;
3130 size_t numfds;
3131 size_t i;
3132
3133 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3134 return;
3135 if (numfds == 0)
3136 return;
3137 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3138 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3139 OPENSSL_free(fds);
3140 return;
3141 }
3142
3143 FD_ZERO(&asyncfds);
3144 for (i = 0; i < numfds; i++) {
3145 if (width <= (int)fds[i])
3146 width = (int)fds[i] + 1;
3147 openssl_fdset((int)fds[i], &asyncfds);
3148 }
3149 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3150 OPENSSL_free(fds);
3151#endif
3152}
3153
3154/* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3155#if defined(OPENSSL_SYS_MSDOS)
3156int has_stdin_waiting(void)
3157{
3158# if defined(OPENSSL_SYS_WINDOWS)
3159 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3160 DWORD events = 0;
3161 INPUT_RECORD inputrec;
3162 DWORD insize = 1;
3163 BOOL peeked;
3164
3165 if (inhand == INVALID_HANDLE_VALUE) {
3166 return 0;
3167 }
3168
3169 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3170 if (!peeked) {
3171 /* Probably redirected input? _kbhit() does not work in this case */
3172 if (!feof(stdin)) {
3173 return 1;
3174 }
3175 return 0;
3176 }
3177# endif
3178 return _kbhit();
3179}
3180#endif
3181
3182/* Corrupt a signature by modifying final byte */
3183void corrupt_signature(const ASN1_STRING *signature)
3184{
3185 unsigned char *s = signature->data;
3186 s[signature->length - 1] ^= 0x1;
3187}
3188
3189int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3190 int days)
3191{
3192 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3193 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3194 return 0;
3195 } else {
3196 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3197 return 0;
3198 }
3199 if (enddate == NULL) {
3200 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3201 == NULL)
3202 return 0;
3203 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3204 return 0;
3205 }
3206 return 1;
3207}
3208
3209int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3210{
3211 int ret = 0;
3212 ASN1_TIME *tm = ASN1_TIME_new();
3213
3214 if (tm == NULL)
3215 goto end;
3216
3217 if (lastupdate == NULL) {
3218 if (X509_gmtime_adj(tm, 0) == NULL)
3219 goto end;
3220 } else {
3221 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3222 goto end;
3223 }
3224
3225 if (!X509_CRL_set1_lastUpdate(crl, tm))
3226 goto end;
3227
3228 ret = 1;
3229end:
3230 ASN1_TIME_free(tm);
3231 return ret;
3232}
3233
3234int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3235 long days, long hours, long secs)
3236{
3237 int ret = 0;
3238 ASN1_TIME *tm = ASN1_TIME_new();
3239
3240 if (tm == NULL)
3241 goto end;
3242
3243 if (nextupdate == NULL) {
3244 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3245 goto end;
3246 } else {
3247 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3248 goto end;
3249 }
3250
3251 if (!X509_CRL_set1_nextUpdate(crl, tm))
3252 goto end;
3253
3254 ret = 1;
3255end:
3256 ASN1_TIME_free(tm);
3257 return ret;
3258}
3259
3260void make_uppercase(char *string)
3261{
3262 int i;
3263
3264 for (i = 0; string[i] != '\0'; i++)
3265 string[i] = toupper((unsigned char)string[i]);
3266}
3267
3268/* This function is defined here due to visibility of bio_err */
3269int opt_printf_stderr(const char *fmt, ...)
3270{
3271 va_list ap;
3272 int ret;
3273
3274 va_start(ap, fmt);
3275 ret = BIO_vprintf(bio_err, fmt, ap);
3276 va_end(ap);
3277 return ret;
3278}
3279
3280OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3281 const OSSL_PARAM *paramdefs)
3282{
3283 OSSL_PARAM *params = NULL;
3284 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3285 size_t params_n;
3286 char *opt = "", *stmp, *vtmp = NULL;
3287 int found = 1;
3288
3289 if (opts == NULL)
3290 return NULL;
3291
3292 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3293 if (params == NULL)
3294 return NULL;
3295
3296 for (params_n = 0; params_n < sz; params_n++) {
3297 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3298 if ((stmp = OPENSSL_strdup(opt)) == NULL
3299 || (vtmp = strchr(stmp, ':')) == NULL)
3300 goto err;
3301 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3302 *vtmp = 0;
3303 /* Skip over the separator so that vmtp points to the value */
3304 vtmp++;
3305 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3306 stmp, vtmp, strlen(vtmp), &found))
3307 goto err;
3308 OPENSSL_free(stmp);
3309 }
3310 params[params_n] = OSSL_PARAM_construct_end();
3311 return params;
3312err:
3313 OPENSSL_free(stmp);
3314 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3315 opt);
3316 ERR_print_errors(bio_err);
3317 app_params_free(params);
3318 return NULL;
3319}
3320
3321void app_params_free(OSSL_PARAM *params)
3322{
3323 int i;
3324
3325 if (params != NULL) {
3326 for (i = 0; params[i].key != NULL; ++i)
3327 OPENSSL_free(params[i].data);
3328 OPENSSL_free(params);
3329 }
3330}
3331
3332EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3333{
3334 EVP_PKEY *res = NULL;
3335
3336 if (verbose && alg != NULL) {
3337 BIO_printf(bio_err, "Generating %s key", alg);
3338 if (bits > 0)
3339 BIO_printf(bio_err, " with %d bits\n", bits);
3340 else
3341 BIO_printf(bio_err, "\n");
3342 }
3343 if (!RAND_status())
3344 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3345 "if the system has a poor entropy source\n");
3346 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3347 app_bail_out("%s: Error generating %s key\n", opt_getprog(),
3348 alg != NULL ? alg : "asymmetric");
3349 return res;
3350}
3351
3352EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3353{
3354 EVP_PKEY *res = NULL;
3355
3356 if (!RAND_status())
3357 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3358 "if the system has a poor entropy source\n");
3359 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3360 app_bail_out("%s: Generating %s key parameters failed\n",
3361 opt_getprog(), alg != NULL ? alg : "asymmetric");
3362 return res;
3363}
3364
3365/*
3366 * Return non-zero if the legacy path is still an option.
3367 * This decision is based on the global command line operations and the
3368 * behaviour thus far.
3369 */
3370int opt_legacy_okay(void)
3371{
3372 int provider_options = opt_provider_option_given();
3373 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3374 /*
3375 * Having a provider option specified or a custom library context or
3376 * property query, is a sure sign we're not using legacy.
3377 */
3378 if (provider_options || libctx)
3379 return 0;
3380 return 1;
3381}
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