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source: vbox/trunk/src/libs/openssl-3.0.9/apps/lib/apps.c@ 100487

Last change on this file since 100487 was 100487, checked in by vboxsync, 20 months ago

openssl-3.0.9: Applied and adjusted our OpenSSL changes we made to 3.0.7. bugref:10484
File size: 96.4 KB
Line 
1/*
2 * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#if !defined(_POSIX_C_SOURCE) && defined(OPENSSL_SYS_VMS)
11/*
12 * On VMS, you need to define this to get the declaration of fileno(). The
13 * value 2 is to make sure no function defined in POSIX-2 is left undefined.
14 */
15# define _POSIX_C_SOURCE 2
16#endif
17
18#ifndef OPENSSL_NO_ENGINE
19/* We need to use some deprecated APIs */
20# define OPENSSL_SUPPRESS_DEPRECATED
21# include <openssl/engine.h>
22#endif
23
24#include <stdio.h>
25#include <stdlib.h>
26#include <string.h>
27#include <sys/types.h>
28#ifndef OPENSSL_NO_POSIX_IO
29# include <sys/stat.h>
30# include <fcntl.h>
31#endif
32#include <ctype.h>
33#include <errno.h>
34#include <openssl/err.h>
35#include <openssl/x509.h>
36#include <openssl/x509v3.h>
37#include <openssl/http.h>
38#include <openssl/pem.h>
39#include <openssl/store.h>
40#include <openssl/pkcs12.h>
41#include <openssl/ui.h>
42#include <openssl/safestack.h>
43#include <openssl/rsa.h>
44#include <openssl/rand.h>
45#include <openssl/bn.h>
46#include <openssl/ssl.h>
47#include <openssl/store.h>
48#include <openssl/core_names.h>
49#include "s_apps.h"
50#include "apps.h"
51
52#ifdef _WIN32
53static int WIN32_rename(const char *from, const char *to);
54# define rename(from,to) WIN32_rename((from),(to))
55#endif
56
57#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
58# include <conio.h>
59#endif
60
61#if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
62# define _kbhit kbhit
63#endif
64
65static BIO *bio_open_default_(const char *filename, char mode, int format,
66 int quiet);
67
68#define PASS_SOURCE_SIZE_MAX 4
69
70DEFINE_STACK_OF(CONF)
71
72typedef struct {
73 const char *name;
74 unsigned long flag;
75 unsigned long mask;
76} NAME_EX_TBL;
77
78static int set_table_opts(unsigned long *flags, const char *arg,
79 const NAME_EX_TBL * in_tbl);
80static int set_multi_opts(unsigned long *flags, const char *arg,
81 const NAME_EX_TBL * in_tbl);
82static
83int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin,
84 const char *pass, const char *desc,
85 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
86 EVP_PKEY **pparams,
87 X509 **pcert, STACK_OF(X509) **pcerts,
88 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls,
89 int suppress_decode_errors);
90
91int app_init(long mesgwin);
92
93int chopup_args(ARGS *arg, char *buf)
94{
95 int quoted;
96 char c = '\0', *p = NULL;
97
98 arg->argc = 0;
99 if (arg->size == 0) {
100 arg->size = 20;
101 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
102 }
103
104 for (p = buf;;) {
105 /* Skip whitespace. */
106 while (*p && isspace(_UC(*p)))
107 p++;
108 if (*p == '\0')
109 break;
110
111 /* The start of something good :-) */
112 if (arg->argc >= arg->size) {
113 char **tmp;
114 arg->size += 20;
115 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
116 if (tmp == NULL)
117 return 0;
118 arg->argv = tmp;
119 }
120 quoted = *p == '\'' || *p == '"';
121 if (quoted)
122 c = *p++;
123 arg->argv[arg->argc++] = p;
124
125 /* now look for the end of this */
126 if (quoted) {
127 while (*p && *p != c)
128 p++;
129 *p++ = '\0';
130 } else {
131 while (*p && !isspace(_UC(*p)))
132 p++;
133 if (*p)
134 *p++ = '\0';
135 }
136 }
137 arg->argv[arg->argc] = NULL;
138 return 1;
139}
140
141#ifndef APP_INIT
142int app_init(long mesgwin)
143{
144 return 1;
145}
146#endif
147
148int ctx_set_verify_locations(SSL_CTX *ctx,
149 const char *CAfile, int noCAfile,
150 const char *CApath, int noCApath,
151 const char *CAstore, int noCAstore)
152{
153 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
154 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
155 return 0;
156 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
157 return 0;
158 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
159 return 0;
160
161 return 1;
162 }
163
164 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
165 return 0;
166 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
167 return 0;
168 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
169 return 0;
170 return 1;
171}
172
173#ifndef OPENSSL_NO_CT
174
175int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
176{
177 if (path == NULL)
178 return SSL_CTX_set_default_ctlog_list_file(ctx);
179
180 return SSL_CTX_set_ctlog_list_file(ctx, path);
181}
182
183#endif
184
185static unsigned long nmflag = 0;
186static char nmflag_set = 0;
187
188int set_nameopt(const char *arg)
189{
190 int ret = set_name_ex(&nmflag, arg);
191
192 if (ret)
193 nmflag_set = 1;
194
195 return ret;
196}
197
198unsigned long get_nameopt(void)
199{
200 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
201}
202
203void dump_cert_text(BIO *out, X509 *x)
204{
205 print_name(out, "subject=", X509_get_subject_name(x));
206 print_name(out, "issuer=", X509_get_issuer_name(x));
207}
208
209int wrap_password_callback(char *buf, int bufsiz, int verify, void *userdata)
210{
211 return password_callback(buf, bufsiz, verify, (PW_CB_DATA *)userdata);
212}
213
214
215static char *app_get_pass(const char *arg, int keepbio);
216
217char *get_passwd(const char *pass, const char *desc)
218{
219 char *result = NULL;
220
221 if (desc == NULL)
222 desc = "<unknown>";
223 if (!app_passwd(pass, NULL, &result, NULL))
224 BIO_printf(bio_err, "Error getting password for %s\n", desc);
225 if (pass != NULL && result == NULL) {
226 BIO_printf(bio_err,
227 "Trying plain input string (better precede with 'pass:')\n");
228 result = OPENSSL_strdup(pass);
229 if (result == NULL)
230 BIO_printf(bio_err, "Out of memory getting password for %s\n", desc);
231 }
232 return result;
233}
234
235int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2)
236{
237 int same = arg1 != NULL && arg2 != NULL && strcmp(arg1, arg2) == 0;
238
239 if (arg1 != NULL) {
240 *pass1 = app_get_pass(arg1, same);
241 if (*pass1 == NULL)
242 return 0;
243 } else if (pass1 != NULL) {
244 *pass1 = NULL;
245 }
246 if (arg2 != NULL) {
247 *pass2 = app_get_pass(arg2, same ? 2 : 0);
248 if (*pass2 == NULL)
249 return 0;
250 } else if (pass2 != NULL) {
251 *pass2 = NULL;
252 }
253 return 1;
254}
255
256static char *app_get_pass(const char *arg, int keepbio)
257{
258 static BIO *pwdbio = NULL;
259 char *tmp, tpass[APP_PASS_LEN];
260 int i;
261
262 /* PASS_SOURCE_SIZE_MAX = max number of chars before ':' in below strings */
263 if (strncmp(arg, "pass:", 5) == 0)
264 return OPENSSL_strdup(arg + 5);
265 if (strncmp(arg, "env:", 4) == 0) {
266 tmp = getenv(arg + 4);
267 if (tmp == NULL) {
268 BIO_printf(bio_err, "No environment variable %s\n", arg + 4);
269 return NULL;
270 }
271 return OPENSSL_strdup(tmp);
272 }
273 if (!keepbio || pwdbio == NULL) {
274 if (strncmp(arg, "file:", 5) == 0) {
275 pwdbio = BIO_new_file(arg + 5, "r");
276 if (pwdbio == NULL) {
277 BIO_printf(bio_err, "Can't open file %s\n", arg + 5);
278 return NULL;
279 }
280#if !defined(_WIN32)
281 /*
282 * Under _WIN32, which covers even Win64 and CE, file
283 * descriptors referenced by BIO_s_fd are not inherited
284 * by child process and therefore below is not an option.
285 * It could have been an option if bss_fd.c was operating
286 * on real Windows descriptors, such as those obtained
287 * with CreateFile.
288 */
289 } else if (strncmp(arg, "fd:", 3) == 0) {
290 BIO *btmp;
291 i = atoi(arg + 3);
292 if (i >= 0)
293 pwdbio = BIO_new_fd(i, BIO_NOCLOSE);
294 if ((i < 0) || pwdbio == NULL) {
295 BIO_printf(bio_err, "Can't access file descriptor %s\n", arg + 3);
296 return NULL;
297 }
298 /*
299 * Can't do BIO_gets on an fd BIO so add a buffering BIO
300 */
301 btmp = BIO_new(BIO_f_buffer());
302 if (btmp == NULL) {
303 BIO_free_all(pwdbio);
304 pwdbio = NULL;
305 BIO_printf(bio_err, "Out of memory\n");
306 return NULL;
307 }
308 pwdbio = BIO_push(btmp, pwdbio);
309#endif
310 } else if (strcmp(arg, "stdin") == 0) {
311 unbuffer(stdin);
312 pwdbio = dup_bio_in(FORMAT_TEXT);
313 if (pwdbio == NULL) {
314 BIO_printf(bio_err, "Can't open BIO for stdin\n");
315 return NULL;
316 }
317 } else {
318 /* argument syntax error; do not reveal too much about arg */
319 tmp = strchr(arg, ':');
320 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
321 BIO_printf(bio_err,
322 "Invalid password argument, missing ':' within the first %d chars\n",
323 PASS_SOURCE_SIZE_MAX + 1);
324 else
325 BIO_printf(bio_err,
326 "Invalid password argument, starting with \"%.*s\"\n",
327 (int)(tmp - arg + 1), arg);
328 return NULL;
329 }
330 }
331 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
332 if (keepbio != 1) {
333 BIO_free_all(pwdbio);
334 pwdbio = NULL;
335 }
336 if (i <= 0) {
337 BIO_printf(bio_err, "Error reading password from BIO\n");
338 return NULL;
339 }
340 tmp = strchr(tpass, '\n');
341 if (tmp != NULL)
342 *tmp = 0;
343 return OPENSSL_strdup(tpass);
344}
345
346CONF *app_load_config_bio(BIO *in, const char *filename)
347{
348 long errorline = -1;
349 CONF *conf;
350 int i;
351
352 conf = NCONF_new_ex(app_get0_libctx(), NULL);
353 i = NCONF_load_bio(conf, in, &errorline);
354 if (i > 0)
355 return conf;
356
357 if (errorline <= 0) {
358 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
359 } else {
360 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
361 errorline);
362 }
363 if (filename != NULL)
364 BIO_printf(bio_err, "config file \"%s\"\n", filename);
365 else
366 BIO_printf(bio_err, "config input");
367
368 NCONF_free(conf);
369 return NULL;
370}
371
372CONF *app_load_config_verbose(const char *filename, int verbose)
373{
374 if (verbose) {
375 if (*filename == '\0')
376 BIO_printf(bio_err, "No configuration used\n");
377 else
378 BIO_printf(bio_err, "Using configuration from %s\n", filename);
379 }
380 return app_load_config_internal(filename, 0);
381}
382
383CONF *app_load_config_internal(const char *filename, int quiet)
384{
385 BIO *in;
386 CONF *conf;
387
388 if (filename == NULL || *filename != '\0') {
389 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
390 return NULL;
391 conf = app_load_config_bio(in, filename);
392 BIO_free(in);
393 } else {
394 /* Return empty config if filename is empty string. */
395 conf = NCONF_new_ex(app_get0_libctx(), NULL);
396 }
397 return conf;
398}
399
400int app_load_modules(const CONF *config)
401{
402 CONF *to_free = NULL;
403
404 if (config == NULL)
405 config = to_free = app_load_config_quiet(default_config_file);
406 if (config == NULL)
407 return 1;
408
409 if (CONF_modules_load(config, NULL, 0) <= 0) {
410 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
411 ERR_print_errors(bio_err);
412 NCONF_free(to_free);
413 return 0;
414 }
415 NCONF_free(to_free);
416 return 1;
417}
418
419int add_oid_section(CONF *conf)
420{
421 char *p;
422 STACK_OF(CONF_VALUE) *sktmp;
423 CONF_VALUE *cnf;
424 int i;
425
426 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
427 ERR_clear_error();
428 return 1;
429 }
430 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
431 BIO_printf(bio_err, "problem loading oid section %s\n", p);
432 return 0;
433 }
434 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
435 cnf = sk_CONF_VALUE_value(sktmp, i);
436 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
437 BIO_printf(bio_err, "problem creating object %s=%s\n",
438 cnf->name, cnf->value);
439 return 0;
440 }
441 }
442 return 1;
443}
444
445CONF *app_load_config_modules(const char *configfile)
446{
447 CONF *conf = NULL;
448
449 if (configfile != NULL) {
450 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
451 return NULL;
452 if (configfile != default_config_file && !app_load_modules(conf)) {
453 NCONF_free(conf);
454 conf = NULL;
455 }
456 }
457 return conf;
458}
459
460#define IS_HTTP(uri) ((uri) != NULL \
461 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0)
462#define IS_HTTPS(uri) ((uri) != NULL \
463 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0)
464
465X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
466 const char *pass, const char *desc)
467{
468 X509 *cert = NULL;
469
470 if (desc == NULL)
471 desc = "certificate";
472 if (IS_HTTPS(uri))
473 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
474 else if (IS_HTTP(uri))
475 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
476 else
477 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
478 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
479 if (cert == NULL) {
480 BIO_printf(bio_err, "Unable to load %s\n", desc);
481 ERR_print_errors(bio_err);
482 }
483 return cert;
484}
485
486X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
487 const char *desc)
488{
489 X509_CRL *crl = NULL;
490
491 if (desc == NULL)
492 desc = "CRL";
493 if (IS_HTTPS(uri))
494 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
495 else if (IS_HTTP(uri))
496 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
497 else
498 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
499 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
500 if (crl == NULL) {
501 BIO_printf(bio_err, "Unable to load %s\n", desc);
502 ERR_print_errors(bio_err);
503 }
504 return crl;
505}
506
507X509_REQ *load_csr(const char *file, int format, const char *desc)
508{
509 X509_REQ *req = NULL;
510 BIO *in;
511
512 if (format == FORMAT_UNDEF)
513 format = FORMAT_PEM;
514 if (desc == NULL)
515 desc = "CSR";
516 in = bio_open_default(file, 'r', format);
517 if (in == NULL)
518 goto end;
519
520 if (format == FORMAT_ASN1)
521 req = d2i_X509_REQ_bio(in, NULL);
522 else if (format == FORMAT_PEM)
523 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
524 else
525 print_format_error(format, OPT_FMT_PEMDER);
526
527 end:
528 if (req == NULL) {
529 BIO_printf(bio_err, "Unable to load %s\n", desc);
530 ERR_print_errors(bio_err);
531 }
532 BIO_free(in);
533 return req;
534}
535
536void cleanse(char *str)
537{
538 if (str != NULL)
539 OPENSSL_cleanse(str, strlen(str));
540}
541
542void clear_free(char *str)
543{
544 if (str != NULL)
545 OPENSSL_clear_free(str, strlen(str));
546}
547
548EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
549 const char *pass, ENGINE *e, const char *desc)
550{
551 EVP_PKEY *pkey = NULL;
552 char *allocated_uri = NULL;
553
554 if (desc == NULL)
555 desc = "private key";
556
557 if (format == FORMAT_ENGINE) {
558 uri = allocated_uri = make_engine_uri(e, uri, desc);
559 }
560 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc,
561 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
562
563 OPENSSL_free(allocated_uri);
564 return pkey;
565}
566
567EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
568 const char *pass, ENGINE *e, const char *desc)
569{
570 EVP_PKEY *pkey = NULL;
571 char *allocated_uri = NULL;
572
573 if (desc == NULL)
574 desc = "public key";
575
576 if (format == FORMAT_ENGINE) {
577 uri = allocated_uri = make_engine_uri(e, uri, desc);
578 }
579 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
580 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
581
582 OPENSSL_free(allocated_uri);
583 return pkey;
584}
585
586EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
587 const char *keytype, const char *desc,
588 int suppress_decode_errors)
589{
590 EVP_PKEY *params = NULL;
591
592 if (desc == NULL)
593 desc = "key parameters";
594
595 (void)load_key_certs_crls_suppress(uri, format, maybe_stdin, NULL, desc,
596 NULL, NULL, &params, NULL, NULL, NULL,
597 NULL, suppress_decode_errors);
598 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
599 if (!suppress_decode_errors) {
600 BIO_printf(bio_err,
601 "Unable to load %s from %s (unexpected parameters type)\n",
602 desc, uri);
603 ERR_print_errors(bio_err);
604 }
605 EVP_PKEY_free(params);
606 params = NULL;
607 }
608 return params;
609}
610
611EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
612 const char *keytype, const char *desc)
613{
614 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
615}
616
617void app_bail_out(char *fmt, ...)
618{
619 va_list args;
620
621 va_start(args, fmt);
622 BIO_vprintf(bio_err, fmt, args);
623 va_end(args);
624 ERR_print_errors(bio_err);
625 exit(EXIT_FAILURE);
626}
627
628void *app_malloc(size_t sz, const char *what)
629{
630 void *vp = OPENSSL_malloc(sz);
631
632 if (vp == NULL)
633 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
634 opt_getprog(), sz, what);
635 return vp;
636}
637
638char *next_item(char *opt) /* in list separated by comma and/or space */
639{
640 /* advance to separator (comma or whitespace), if any */
641 while (*opt != ',' && !isspace(*opt) && *opt != '\0')
642 opt++;
643 if (*opt != '\0') {
644 /* terminate current item */
645 *opt++ = '\0';
646 /* skip over any whitespace after separator */
647 while (isspace(*opt))
648 opt++;
649 }
650 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
651}
652
653static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
654{
655 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
656
657 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
658 uri, subj, msg);
659 OPENSSL_free(subj);
660}
661
662static void warn_cert(const char *uri, X509 *cert, int warn_EE,
663 X509_VERIFY_PARAM *vpm)
664{
665 uint32_t ex_flags = X509_get_extension_flags(cert);
666 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
667 X509_get0_notAfter(cert));
668
669 if (res != 0)
670 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
671 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
672 warn_cert_msg(uri, cert, "is not a CA cert");
673}
674
675static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
676 X509_VERIFY_PARAM *vpm)
677{
678 int i;
679
680 for (i = 0; i < sk_X509_num(certs); i++)
681 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
682}
683
684int load_cert_certs(const char *uri,
685 X509 **pcert, STACK_OF(X509) **pcerts,
686 int exclude_http, const char *pass, const char *desc,
687 X509_VERIFY_PARAM *vpm)
688{
689 int ret = 0;
690 char *pass_string;
691
692 if (exclude_http && (OPENSSL_strncasecmp(uri, "http://", 7) == 0
693 || OPENSSL_strncasecmp(uri, "https://", 8) == 0)) {
694 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
695 return ret;
696 }
697 pass_string = get_passwd(pass, desc);
698 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc,
699 NULL, NULL, NULL,
700 pcert, pcerts, NULL, NULL);
701 clear_free(pass_string);
702
703 if (ret) {
704 if (pcert != NULL)
705 warn_cert(uri, *pcert, 0, vpm);
706 if (pcerts != NULL)
707 warn_certs(uri, *pcerts, 1, vpm);
708 } else {
709 if (pcerts != NULL) {
710 sk_X509_pop_free(*pcerts, X509_free);
711 *pcerts = NULL;
712 }
713 }
714 return ret;
715}
716
717STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
718 const char *desc, X509_VERIFY_PARAM *vpm)
719{
720 STACK_OF(X509) *certs = NULL;
721 STACK_OF(X509) *result = sk_X509_new_null();
722
723 if (files == NULL)
724 goto err;
725 if (result == NULL)
726 goto oom;
727
728 while (files != NULL) {
729 char *next = next_item(files);
730
731 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
732 goto err;
733 if (!X509_add_certs(result, certs,
734 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
735 goto oom;
736 sk_X509_pop_free(certs, X509_free);
737 certs = NULL;
738 files = next;
739 }
740 return result;
741
742 oom:
743 BIO_printf(bio_err, "out of memory\n");
744 err:
745 sk_X509_pop_free(certs, X509_free);
746 sk_X509_pop_free(result, X509_free);
747 return NULL;
748}
749
750static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
751 const STACK_OF(X509) *certs /* may NULL */)
752{
753 int i;
754
755 if (store == NULL)
756 store = X509_STORE_new();
757 if (store == NULL)
758 return NULL;
759 for (i = 0; i < sk_X509_num(certs); i++) {
760 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
761 X509_STORE_free(store);
762 return NULL;
763 }
764 }
765 return store;
766}
767
768/*
769 * Create cert store structure with certificates read from given file(s).
770 * Returns pointer to created X509_STORE on success, NULL on error.
771 */
772X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
773 X509_VERIFY_PARAM *vpm)
774{
775 X509_STORE *store = NULL;
776 STACK_OF(X509) *certs = NULL;
777
778 while (input != NULL) {
779 char *next = next_item(input);
780 int ok;
781
782 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
783 X509_STORE_free(store);
784 return NULL;
785 }
786 ok = (store = sk_X509_to_store(store, certs)) != NULL;
787 sk_X509_pop_free(certs, X509_free);
788 certs = NULL;
789 if (!ok)
790 return NULL;
791 input = next;
792 }
793 return store;
794}
795
796/*
797 * Initialize or extend, if *certs != NULL, a certificate stack.
798 * The caller is responsible for freeing *certs if its value is left not NULL.
799 */
800int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
801 const char *pass, const char *desc)
802{
803 int was_NULL = *certs == NULL;
804 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin,
805 pass, desc, NULL, NULL,
806 NULL, NULL, certs, NULL, NULL);
807
808 if (!ret && was_NULL) {
809 sk_X509_pop_free(*certs, X509_free);
810 *certs = NULL;
811 }
812 return ret;
813}
814
815/*
816 * Initialize or extend, if *crls != NULL, a certificate stack.
817 * The caller is responsible for freeing *crls if its value is left not NULL.
818 */
819int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
820 const char *pass, const char *desc)
821{
822 int was_NULL = *crls == NULL;
823 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc,
824 NULL, NULL, NULL,
825 NULL, NULL, NULL, crls);
826
827 if (!ret && was_NULL) {
828 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
829 *crls = NULL;
830 }
831 return ret;
832}
833
834static const char *format2string(int format)
835{
836 switch(format) {
837 case FORMAT_PEM:
838 return "PEM";
839 case FORMAT_ASN1:
840 return "DER";
841 }
842 return NULL;
843}
844
845/* Set type expectation, but clear it if objects of different types expected. */
846#define SET_EXPECT(expect, val) ((expect) = (expect) < 0 ? (val) : ((expect) == (val) ? (val) : 0))
847/*
848 * Load those types of credentials for which the result pointer is not NULL.
849 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
850 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
851 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
852 * If pcerts is non-NULL then all available certificates are appended to *pcerts
853 * except any certificate assigned to *pcert.
854 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
855 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
856 * except any CRL assigned to *pcrl.
857 * In any case (also on error) the caller is responsible for freeing all members
858 * of *pcerts and *pcrls (as far as they are not NULL).
859 */
860static
861int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin,
862 const char *pass, const char *desc,
863 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
864 EVP_PKEY **pparams,
865 X509 **pcert, STACK_OF(X509) **pcerts,
866 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls,
867 int suppress_decode_errors)
868{
869 PW_CB_DATA uidata;
870 OSSL_STORE_CTX *ctx = NULL;
871 OSSL_LIB_CTX *libctx = app_get0_libctx();
872 const char *propq = app_get0_propq();
873 int ncerts = 0;
874 int ncrls = 0;
875 const char *failed =
876 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
877 pparams != NULL ? "params" : pcert != NULL ? "cert" :
878 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
879 pcrls != NULL ? "CRLs" : NULL;
880 int cnt_expectations = 0;
881 int expect = -1;
882 const char *input_type;
883 OSSL_PARAM itp[2];
884 const OSSL_PARAM *params = NULL;
885
886 if (ppkey != NULL) {
887 *ppkey = NULL;
888 cnt_expectations++;
889 SET_EXPECT(expect, OSSL_STORE_INFO_PKEY);
890 }
891 if (ppubkey != NULL) {
892 *ppubkey = NULL;
893 cnt_expectations++;
894 SET_EXPECT(expect, OSSL_STORE_INFO_PUBKEY);
895 }
896 if (pparams != NULL) {
897 *pparams = NULL;
898 cnt_expectations++;
899 SET_EXPECT(expect, OSSL_STORE_INFO_PARAMS);
900 }
901 if (pcert != NULL) {
902 *pcert = NULL;
903 cnt_expectations++;
904 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
905 }
906 if (pcerts != NULL) {
907 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
908 BIO_printf(bio_err, "Out of memory loading");
909 goto end;
910 }
911 cnt_expectations++;
912 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
913 }
914 if (pcrl != NULL) {
915 *pcrl = NULL;
916 cnt_expectations++;
917 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
918 }
919 if (pcrls != NULL) {
920 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
921 BIO_printf(bio_err, "Out of memory loading");
922 goto end;
923 }
924 cnt_expectations++;
925 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
926 }
927 if (cnt_expectations == 0) {
928 BIO_printf(bio_err, "Internal error: nothing to load from %s\n",
929 uri != NULL ? uri : "<stdin>");
930 return 0;
931 }
932
933 uidata.password = pass;
934 uidata.prompt_info = uri;
935
936 if ((input_type = format2string(format)) != NULL) {
937 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
938 (char *)input_type, 0);
939 itp[1] = OSSL_PARAM_construct_end();
940 params = itp;
941 }
942
943 if (uri == NULL) {
944 BIO *bio;
945
946 if (!maybe_stdin) {
947 BIO_printf(bio_err, "No filename or uri specified for loading");
948 goto end;
949 }
950 uri = "<stdin>";
951 unbuffer(stdin);
952 bio = BIO_new_fp(stdin, 0);
953 if (bio != NULL) {
954 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
955 get_ui_method(), &uidata, params,
956 NULL, NULL);
957 BIO_free(bio);
958 }
959 } else {
960 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
961 params, NULL, NULL);
962 }
963 if (ctx == NULL) {
964 BIO_printf(bio_err, "Could not open file or uri for loading");
965 goto end;
966 }
967 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
968 goto end;
969
970 failed = NULL;
971 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
972 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
973 int type, ok = 1;
974
975 /*
976 * This can happen (for example) if we attempt to load a file with
977 * multiple different types of things in it - but the thing we just
978 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
979 * to load a certificate but the file has both the private key and the
980 * certificate in it. We just retry until eof.
981 */
982 if (info == NULL) {
983 continue;
984 }
985
986 type = OSSL_STORE_INFO_get_type(info);
987 switch (type) {
988 case OSSL_STORE_INFO_PKEY:
989 if (ppkey != NULL && *ppkey == NULL) {
990 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
991 cnt_expectations -= ok;
992 }
993 /*
994 * An EVP_PKEY with private parts also holds the public parts,
995 * so if the caller asked for a public key, and we got a private
996 * key, we can still pass it back.
997 */
998 if (ok && ppubkey != NULL && *ppubkey == NULL) {
999 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
1000 cnt_expectations -= ok;
1001 }
1002 break;
1003 case OSSL_STORE_INFO_PUBKEY:
1004 if (ppubkey != NULL && *ppubkey == NULL) {
1005 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
1006 cnt_expectations -= ok;
1007 }
1008 break;
1009 case OSSL_STORE_INFO_PARAMS:
1010 if (pparams != NULL && *pparams == NULL) {
1011 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
1012 cnt_expectations -= ok;
1013 }
1014 break;
1015 case OSSL_STORE_INFO_CERT:
1016 if (pcert != NULL && *pcert == NULL) {
1017 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1018 cnt_expectations -= ok;
1019 }
1020 else if (pcerts != NULL)
1021 ok = X509_add_cert(*pcerts,
1022 OSSL_STORE_INFO_get1_CERT(info),
1023 X509_ADD_FLAG_DEFAULT);
1024 ncerts += ok;
1025 break;
1026 case OSSL_STORE_INFO_CRL:
1027 if (pcrl != NULL && *pcrl == NULL) {
1028 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1029 cnt_expectations -= ok;
1030 }
1031 else if (pcrls != NULL)
1032 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1033 ncrls += ok;
1034 break;
1035 default:
1036 /* skip any other type */
1037 break;
1038 }
1039 OSSL_STORE_INFO_free(info);
1040 if (!ok) {
1041 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1042 BIO_printf(bio_err, "Error reading");
1043 break;
1044 }
1045 }
1046
1047 end:
1048 OSSL_STORE_close(ctx);
1049 if (failed == NULL) {
1050 int any = 0;
1051
1052 if ((ppkey != NULL && *ppkey == NULL)
1053 || (ppubkey != NULL && *ppubkey == NULL)) {
1054 failed = "key";
1055 } else if (pparams != NULL && *pparams == NULL) {
1056 failed = "params";
1057 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1058 if (pcert == NULL)
1059 any = 1;
1060 failed = "cert";
1061 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1062 if (pcrl == NULL)
1063 any = 1;
1064 failed = "CRL";
1065 }
1066 if (!suppress_decode_errors) {
1067 if (failed != NULL)
1068 BIO_printf(bio_err, "Could not read");
1069 if (any)
1070 BIO_printf(bio_err, " any");
1071 }
1072 }
1073 if (!suppress_decode_errors && failed != NULL) {
1074 if (desc != NULL && strstr(desc, failed) != NULL) {
1075 BIO_printf(bio_err, " %s", desc);
1076 } else {
1077 BIO_printf(bio_err, " %s", failed);
1078 if (desc != NULL)
1079 BIO_printf(bio_err, " of %s", desc);
1080 }
1081 if (uri != NULL)
1082 BIO_printf(bio_err, " from %s", uri);
1083 BIO_printf(bio_err, "\n");
1084 ERR_print_errors(bio_err);
1085 }
1086 if (suppress_decode_errors || failed == NULL)
1087 /* clear any spurious errors */
1088 ERR_clear_error();
1089 return failed == NULL;
1090}
1091
1092int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
1093 const char *pass, const char *desc,
1094 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
1095 EVP_PKEY **pparams,
1096 X509 **pcert, STACK_OF(X509) **pcerts,
1097 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
1098{
1099 return load_key_certs_crls_suppress(uri, format, maybe_stdin, pass, desc,
1100 ppkey, ppubkey, pparams, pcert, pcerts,
1101 pcrl, pcrls, 0);
1102}
1103
1104#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1105/* Return error for unknown extensions */
1106#define X509V3_EXT_DEFAULT 0
1107/* Print error for unknown extensions */
1108#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1109/* ASN1 parse unknown extensions */
1110#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1111/* BIO_dump unknown extensions */
1112#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1113
1114#define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1115 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1116
1117int set_cert_ex(unsigned long *flags, const char *arg)
1118{
1119 static const NAME_EX_TBL cert_tbl[] = {
1120 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1121 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1122 {"no_header", X509_FLAG_NO_HEADER, 0},
1123 {"no_version", X509_FLAG_NO_VERSION, 0},
1124 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1125 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1126 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1127 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1128 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1129 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1130 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1131 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1132 {"no_aux", X509_FLAG_NO_AUX, 0},
1133 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1134 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1135 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1136 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1137 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1138 {NULL, 0, 0}
1139 };
1140 return set_multi_opts(flags, arg, cert_tbl);
1141}
1142
1143int set_name_ex(unsigned long *flags, const char *arg)
1144{
1145 static const NAME_EX_TBL ex_tbl[] = {
1146 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1147 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1148 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1149 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1150 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1151 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1152 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1153 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1154 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1155 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1156 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1157 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1158 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1159 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1160 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1161 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1162 {"dn_rev", XN_FLAG_DN_REV, 0},
1163 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1164 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1165 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1166 {"align", XN_FLAG_FN_ALIGN, 0},
1167 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1168 {"space_eq", XN_FLAG_SPC_EQ, 0},
1169 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1170 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1171 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1172 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1173 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1174 {NULL, 0, 0}
1175 };
1176 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1177 return 0;
1178 if (*flags != XN_FLAG_COMPAT
1179 && (*flags & XN_FLAG_SEP_MASK) == 0)
1180 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1181 return 1;
1182}
1183
1184int set_dateopt(unsigned long *dateopt, const char *arg)
1185{
1186 if (OPENSSL_strcasecmp(arg, "rfc_822") == 0)
1187 *dateopt = ASN1_DTFLGS_RFC822;
1188 else if (OPENSSL_strcasecmp(arg, "iso_8601") == 0)
1189 *dateopt = ASN1_DTFLGS_ISO8601;
1190 else
1191 return 0;
1192 return 1;
1193}
1194
1195int set_ext_copy(int *copy_type, const char *arg)
1196{
1197 if (OPENSSL_strcasecmp(arg, "none") == 0)
1198 *copy_type = EXT_COPY_NONE;
1199 else if (OPENSSL_strcasecmp(arg, "copy") == 0)
1200 *copy_type = EXT_COPY_ADD;
1201 else if (OPENSSL_strcasecmp(arg, "copyall") == 0)
1202 *copy_type = EXT_COPY_ALL;
1203 else
1204 return 0;
1205 return 1;
1206}
1207
1208int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1209{
1210 STACK_OF(X509_EXTENSION) *exts;
1211 int i, ret = 0;
1212
1213 if (x == NULL || req == NULL)
1214 return 0;
1215 if (copy_type == EXT_COPY_NONE)
1216 return 1;
1217 exts = X509_REQ_get_extensions(req);
1218
1219 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1220 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1221 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1222 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1223
1224 /* Does extension exist in target? */
1225 if (idx != -1) {
1226 /* If normal copy don't override existing extension */
1227 if (copy_type == EXT_COPY_ADD)
1228 continue;
1229 /* Delete all extensions of same type */
1230 do {
1231 X509_EXTENSION_free(X509_delete_ext(x, idx));
1232 idx = X509_get_ext_by_OBJ(x, obj, -1);
1233 } while (idx != -1);
1234 }
1235 if (!X509_add_ext(x, ext, -1))
1236 goto end;
1237 }
1238 ret = 1;
1239
1240 end:
1241 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1242 return ret;
1243}
1244
1245static int set_multi_opts(unsigned long *flags, const char *arg,
1246 const NAME_EX_TBL * in_tbl)
1247{
1248 STACK_OF(CONF_VALUE) *vals;
1249 CONF_VALUE *val;
1250 int i, ret = 1;
1251 if (!arg)
1252 return 0;
1253 vals = X509V3_parse_list(arg);
1254 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1255 val = sk_CONF_VALUE_value(vals, i);
1256 if (!set_table_opts(flags, val->name, in_tbl))
1257 ret = 0;
1258 }
1259 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1260 return ret;
1261}
1262
1263static int set_table_opts(unsigned long *flags, const char *arg,
1264 const NAME_EX_TBL * in_tbl)
1265{
1266 char c;
1267 const NAME_EX_TBL *ptbl;
1268 c = arg[0];
1269
1270 if (c == '-') {
1271 c = 0;
1272 arg++;
1273 } else if (c == '+') {
1274 c = 1;
1275 arg++;
1276 } else {
1277 c = 1;
1278 }
1279
1280 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1281 if (OPENSSL_strcasecmp(arg, ptbl->name) == 0) {
1282 *flags &= ~ptbl->mask;
1283 if (c)
1284 *flags |= ptbl->flag;
1285 else
1286 *flags &= ~ptbl->flag;
1287 return 1;
1288 }
1289 }
1290 return 0;
1291}
1292
1293void print_name(BIO *out, const char *title, const X509_NAME *nm)
1294{
1295 char *buf;
1296 char mline = 0;
1297 int indent = 0;
1298 unsigned long lflags = get_nameopt();
1299
1300 if (out == NULL)
1301 return;
1302 if (title != NULL)
1303 BIO_puts(out, title);
1304 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1305 mline = 1;
1306 indent = 4;
1307 }
1308 if (lflags == XN_FLAG_COMPAT) {
1309 buf = X509_NAME_oneline(nm, 0, 0);
1310 BIO_puts(out, buf);
1311 BIO_puts(out, "\n");
1312 OPENSSL_free(buf);
1313 } else {
1314 if (mline)
1315 BIO_puts(out, "\n");
1316 X509_NAME_print_ex(out, nm, indent, lflags);
1317 BIO_puts(out, "\n");
1318 }
1319}
1320
1321void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1322 int len, unsigned char *buffer)
1323{
1324 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1325 if (BN_is_zero(in)) {
1326 BIO_printf(out, "\n 0x00");
1327 } else {
1328 int i, l;
1329
1330 l = BN_bn2bin(in, buffer);
1331 for (i = 0; i < l; i++) {
1332 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1333 if (i < l - 1)
1334 BIO_printf(out, "0x%02X,", buffer[i]);
1335 else
1336 BIO_printf(out, "0x%02X", buffer[i]);
1337 }
1338 }
1339 BIO_printf(out, "\n };\n");
1340}
1341
1342void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1343{
1344 int i;
1345
1346 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1347 for (i = 0; i < len; i++) {
1348 if ((i % 10) == 0)
1349 BIO_printf(out, "\n ");
1350 if (i < len - 1)
1351 BIO_printf(out, "0x%02X, ", d[i]);
1352 else
1353 BIO_printf(out, "0x%02X", d[i]);
1354 }
1355 BIO_printf(out, "\n};\n");
1356}
1357
1358X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1359 const char *CApath, int noCApath,
1360 const char *CAstore, int noCAstore)
1361{
1362 X509_STORE *store = X509_STORE_new();
1363 X509_LOOKUP *lookup;
1364 OSSL_LIB_CTX *libctx = app_get0_libctx();
1365 const char *propq = app_get0_propq();
1366
1367 if (store == NULL)
1368 goto end;
1369
1370 if (CAfile != NULL || !noCAfile) {
1371 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1372 if (lookup == NULL)
1373 goto end;
1374 if (CAfile != NULL) {
1375 if (X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1376 libctx, propq) <= 0) {
1377 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1378 goto end;
1379 }
1380 } else {
1381 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1382 libctx, propq);
1383 }
1384 }
1385
1386 if (CApath != NULL || !noCApath) {
1387 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1388 if (lookup == NULL)
1389 goto end;
1390 if (CApath != NULL) {
1391 if (X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM) <= 0) {
1392 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1393 goto end;
1394 }
1395 } else {
1396 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1397 }
1398 }
1399
1400 if (CAstore != NULL || !noCAstore) {
1401 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1402 if (lookup == NULL)
1403 goto end;
1404 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1405 if (CAstore != NULL)
1406 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1407 goto end;
1408 }
1409 }
1410
1411 ERR_clear_error();
1412 return store;
1413 end:
1414 ERR_print_errors(bio_err);
1415 X509_STORE_free(store);
1416 return NULL;
1417}
1418
1419static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1420{
1421 const char *n;
1422
1423 n = a[DB_serial];
1424 while (*n == '0')
1425 n++;
1426 return OPENSSL_LH_strhash(n);
1427}
1428
1429static int index_serial_cmp(const OPENSSL_CSTRING *a,
1430 const OPENSSL_CSTRING *b)
1431{
1432 const char *aa, *bb;
1433
1434 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1435 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1436 return strcmp(aa, bb);
1437}
1438
1439static int index_name_qual(char **a)
1440{
1441 return (a[0][0] == 'V');
1442}
1443
1444static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1445{
1446 return OPENSSL_LH_strhash(a[DB_name]);
1447}
1448
1449int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1450{
1451 return strcmp(a[DB_name], b[DB_name]);
1452}
1453
1454static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1455static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1456static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1457static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1458#undef BSIZE
1459#define BSIZE 256
1460BIGNUM *load_serial(const char *serialfile, int *exists, int create,
1461 ASN1_INTEGER **retai)
1462{
1463 BIO *in = NULL;
1464 BIGNUM *ret = NULL;
1465 char buf[1024];
1466 ASN1_INTEGER *ai = NULL;
1467
1468 ai = ASN1_INTEGER_new();
1469 if (ai == NULL)
1470 goto err;
1471
1472 in = BIO_new_file(serialfile, "r");
1473 if (exists != NULL)
1474 *exists = in != NULL;
1475 if (in == NULL) {
1476 if (!create) {
1477 perror(serialfile);
1478 goto err;
1479 }
1480 ERR_clear_error();
1481 ret = BN_new();
1482 if (ret == NULL) {
1483 BIO_printf(bio_err, "Out of memory\n");
1484 } else if (!rand_serial(ret, ai)) {
1485 BIO_printf(bio_err, "Error creating random number to store in %s\n",
1486 serialfile);
1487 BN_free(ret);
1488 ret = NULL;
1489 }
1490 } else {
1491 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1492 BIO_printf(bio_err, "Unable to load number from %s\n",
1493 serialfile);
1494 goto err;
1495 }
1496 ret = ASN1_INTEGER_to_BN(ai, NULL);
1497 if (ret == NULL) {
1498 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1499 goto err;
1500 }
1501 }
1502
1503 if (ret != NULL && retai != NULL) {
1504 *retai = ai;
1505 ai = NULL;
1506 }
1507 err:
1508 if (ret == NULL)
1509 ERR_print_errors(bio_err);
1510 BIO_free(in);
1511 ASN1_INTEGER_free(ai);
1512 return ret;
1513}
1514
1515int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1516 ASN1_INTEGER **retai)
1517{
1518 char buf[1][BSIZE];
1519 BIO *out = NULL;
1520 int ret = 0;
1521 ASN1_INTEGER *ai = NULL;
1522 int j;
1523
1524 if (suffix == NULL)
1525 j = strlen(serialfile);
1526 else
1527 j = strlen(serialfile) + strlen(suffix) + 1;
1528 if (j >= BSIZE) {
1529 BIO_printf(bio_err, "File name too long\n");
1530 goto err;
1531 }
1532
1533 if (suffix == NULL)
1534 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1535 else {
1536#ifndef OPENSSL_SYS_VMS
1537 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1538#else
1539 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1540#endif
1541 }
1542 out = BIO_new_file(buf[0], "w");
1543 if (out == NULL) {
1544 goto err;
1545 }
1546
1547 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1548 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1549 goto err;
1550 }
1551 i2a_ASN1_INTEGER(out, ai);
1552 BIO_puts(out, "\n");
1553 ret = 1;
1554 if (retai) {
1555 *retai = ai;
1556 ai = NULL;
1557 }
1558 err:
1559 if (!ret)
1560 ERR_print_errors(bio_err);
1561 BIO_free_all(out);
1562 ASN1_INTEGER_free(ai);
1563 return ret;
1564}
1565
1566int rotate_serial(const char *serialfile, const char *new_suffix,
1567 const char *old_suffix)
1568{
1569 char buf[2][BSIZE];
1570 int i, j;
1571
1572 i = strlen(serialfile) + strlen(old_suffix);
1573 j = strlen(serialfile) + strlen(new_suffix);
1574 if (i > j)
1575 j = i;
1576 if (j + 1 >= BSIZE) {
1577 BIO_printf(bio_err, "File name too long\n");
1578 goto err;
1579 }
1580#ifndef OPENSSL_SYS_VMS
1581 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1582 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1583#else
1584 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1585 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1586#endif
1587 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1588#ifdef ENOTDIR
1589 && errno != ENOTDIR
1590#endif
1591 ) {
1592 BIO_printf(bio_err,
1593 "Unable to rename %s to %s\n", serialfile, buf[1]);
1594 perror("reason");
1595 goto err;
1596 }
1597 if (rename(buf[0], serialfile) < 0) {
1598 BIO_printf(bio_err,
1599 "Unable to rename %s to %s\n", buf[0], serialfile);
1600 perror("reason");
1601 rename(buf[1], serialfile);
1602 goto err;
1603 }
1604 return 1;
1605 err:
1606 ERR_print_errors(bio_err);
1607 return 0;
1608}
1609
1610int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1611{
1612 BIGNUM *btmp;
1613 int ret = 0;
1614
1615 btmp = b == NULL ? BN_new() : b;
1616 if (btmp == NULL)
1617 return 0;
1618
1619 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1620 goto error;
1621 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1622 goto error;
1623
1624 ret = 1;
1625
1626 error:
1627
1628 if (btmp != b)
1629 BN_free(btmp);
1630
1631 return ret;
1632}
1633
1634CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1635{
1636 CA_DB *retdb = NULL;
1637 TXT_DB *tmpdb = NULL;
1638 BIO *in;
1639 CONF *dbattr_conf = NULL;
1640 char buf[BSIZE];
1641#ifndef OPENSSL_NO_POSIX_IO
1642 FILE *dbfp;
1643 struct stat dbst;
1644#endif
1645
1646 in = BIO_new_file(dbfile, "r");
1647 if (in == NULL)
1648 goto err;
1649
1650#ifndef OPENSSL_NO_POSIX_IO
1651 BIO_get_fp(in, &dbfp);
1652 if (fstat(fileno(dbfp), &dbst) == -1) {
1653 ERR_raise_data(ERR_LIB_SYS, errno,
1654 "calling fstat(%s)", dbfile);
1655 goto err;
1656 }
1657#endif
1658
1659 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1660 goto err;
1661
1662#ifndef OPENSSL_SYS_VMS
1663 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1664#else
1665 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1666#endif
1667 dbattr_conf = app_load_config_quiet(buf);
1668
1669 retdb = app_malloc(sizeof(*retdb), "new DB");
1670 retdb->db = tmpdb;
1671 tmpdb = NULL;
1672 if (db_attr)
1673 retdb->attributes = *db_attr;
1674 else {
1675 retdb->attributes.unique_subject = 1;
1676 }
1677
1678 if (dbattr_conf) {
1679 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1680 if (p) {
1681 retdb->attributes.unique_subject = parse_yesno(p, 1);
1682 }
1683 }
1684
1685 retdb->dbfname = OPENSSL_strdup(dbfile);
1686#ifndef OPENSSL_NO_POSIX_IO
1687 retdb->dbst = dbst;
1688#endif
1689
1690 err:
1691 ERR_print_errors(bio_err);
1692 NCONF_free(dbattr_conf);
1693 TXT_DB_free(tmpdb);
1694 BIO_free_all(in);
1695 return retdb;
1696}
1697
1698/*
1699 * Returns > 0 on success, <= 0 on error
1700 */
1701int index_index(CA_DB *db)
1702{
1703 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1704 LHASH_HASH_FN(index_serial),
1705 LHASH_COMP_FN(index_serial))) {
1706 BIO_printf(bio_err,
1707 "Error creating serial number index:(%ld,%ld,%ld)\n",
1708 db->db->error, db->db->arg1, db->db->arg2);
1709 goto err;
1710 }
1711
1712 if (db->attributes.unique_subject
1713 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1714 LHASH_HASH_FN(index_name),
1715 LHASH_COMP_FN(index_name))) {
1716 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1717 db->db->error, db->db->arg1, db->db->arg2);
1718 goto err;
1719 }
1720 return 1;
1721 err:
1722 ERR_print_errors(bio_err);
1723 return 0;
1724}
1725
1726int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1727{
1728 char buf[3][BSIZE];
1729 BIO *out;
1730 int j;
1731
1732 j = strlen(dbfile) + strlen(suffix);
1733 if (j + 6 >= BSIZE) {
1734 BIO_printf(bio_err, "File name too long\n");
1735 goto err;
1736 }
1737#ifndef OPENSSL_SYS_VMS
1738 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1739 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1740 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1741#else
1742 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1743 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1744 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1745#endif
1746 out = BIO_new_file(buf[0], "w");
1747 if (out == NULL) {
1748 perror(dbfile);
1749 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1750 goto err;
1751 }
1752 j = TXT_DB_write(out, db->db);
1753 BIO_free(out);
1754 if (j <= 0)
1755 goto err;
1756
1757 out = BIO_new_file(buf[1], "w");
1758 if (out == NULL) {
1759 perror(buf[2]);
1760 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1761 goto err;
1762 }
1763 BIO_printf(out, "unique_subject = %s\n",
1764 db->attributes.unique_subject ? "yes" : "no");
1765 BIO_free(out);
1766
1767 return 1;
1768 err:
1769 ERR_print_errors(bio_err);
1770 return 0;
1771}
1772
1773int rotate_index(const char *dbfile, const char *new_suffix,
1774 const char *old_suffix)
1775{
1776 char buf[5][BSIZE];
1777 int i, j;
1778
1779 i = strlen(dbfile) + strlen(old_suffix);
1780 j = strlen(dbfile) + strlen(new_suffix);
1781 if (i > j)
1782 j = i;
1783 if (j + 6 >= BSIZE) {
1784 BIO_printf(bio_err, "File name too long\n");
1785 goto err;
1786 }
1787#ifndef OPENSSL_SYS_VMS
1788 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1789 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1790 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1791 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1792 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1793#else
1794 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1795 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1796 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1797 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1798 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1799#endif
1800 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1801#ifdef ENOTDIR
1802 && errno != ENOTDIR
1803#endif
1804 ) {
1805 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1806 perror("reason");
1807 goto err;
1808 }
1809 if (rename(buf[0], dbfile) < 0) {
1810 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1811 perror("reason");
1812 rename(buf[1], dbfile);
1813 goto err;
1814 }
1815 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1816#ifdef ENOTDIR
1817 && errno != ENOTDIR
1818#endif
1819 ) {
1820 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1821 perror("reason");
1822 rename(dbfile, buf[0]);
1823 rename(buf[1], dbfile);
1824 goto err;
1825 }
1826 if (rename(buf[2], buf[4]) < 0) {
1827 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1828 perror("reason");
1829 rename(buf[3], buf[4]);
1830 rename(dbfile, buf[0]);
1831 rename(buf[1], dbfile);
1832 goto err;
1833 }
1834 return 1;
1835 err:
1836 ERR_print_errors(bio_err);
1837 return 0;
1838}
1839
1840void free_index(CA_DB *db)
1841{
1842 if (db) {
1843 TXT_DB_free(db->db);
1844 OPENSSL_free(db->dbfname);
1845 OPENSSL_free(db);
1846 }
1847}
1848
1849int parse_yesno(const char *str, int def)
1850{
1851 if (str) {
1852 switch (*str) {
1853 case 'f': /* false */
1854 case 'F': /* FALSE */
1855 case 'n': /* no */
1856 case 'N': /* NO */
1857 case '0': /* 0 */
1858 return 0;
1859 case 't': /* true */
1860 case 'T': /* TRUE */
1861 case 'y': /* yes */
1862 case 'Y': /* YES */
1863 case '1': /* 1 */
1864 return 1;
1865 }
1866 }
1867 return def;
1868}
1869
1870/*
1871 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1872 * where + can be used instead of / to form multi-valued RDNs if canmulti
1873 * and characters may be escaped by \
1874 */
1875X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1876 const char *desc)
1877{
1878 int nextismulti = 0;
1879 char *work;
1880 X509_NAME *n;
1881
1882 if (*cp++ != '/') {
1883 BIO_printf(bio_err,
1884 "%s: %s name is expected to be in the format "
1885 "/type0=value0/type1=value1/type2=... where characters may "
1886 "be escaped by \\. This name is not in that format: '%s'\n",
1887 opt_getprog(), desc, --cp);
1888 return NULL;
1889 }
1890
1891 n = X509_NAME_new();
1892 if (n == NULL) {
1893 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1894 return NULL;
1895 }
1896 work = OPENSSL_strdup(cp);
1897 if (work == NULL) {
1898 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1899 opt_getprog(), desc);
1900 goto err;
1901 }
1902
1903 while (*cp != '\0') {
1904 char *bp = work;
1905 char *typestr = bp;
1906 unsigned char *valstr;
1907 int nid;
1908 int ismulti = nextismulti;
1909 nextismulti = 0;
1910
1911 /* Collect the type */
1912 while (*cp != '\0' && *cp != '=')
1913 *bp++ = *cp++;
1914 *bp++ = '\0';
1915 if (*cp == '\0') {
1916 BIO_printf(bio_err,
1917 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1918 opt_getprog(), typestr, desc);
1919 goto err;
1920 }
1921 ++cp;
1922
1923 /* Collect the value. */
1924 valstr = (unsigned char *)bp;
1925 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1926 /* unescaped '+' symbol string signals further member of multiRDN */
1927 if (canmulti && *cp == '+') {
1928 nextismulti = 1;
1929 break;
1930 }
1931 if (*cp == '\\' && *++cp == '\0') {
1932 BIO_printf(bio_err,
1933 "%s: Escape character at end of %s name string\n",
1934 opt_getprog(), desc);
1935 goto err;
1936 }
1937 }
1938 *bp++ = '\0';
1939
1940 /* If not at EOS (must be + or /), move forward. */
1941 if (*cp != '\0')
1942 ++cp;
1943
1944 /* Parse */
1945 nid = OBJ_txt2nid(typestr);
1946 if (nid == NID_undef) {
1947 BIO_printf(bio_err,
1948 "%s: Skipping unknown %s name attribute \"%s\"\n",
1949 opt_getprog(), desc, typestr);
1950 if (ismulti)
1951 BIO_printf(bio_err,
1952 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1953 continue;
1954 }
1955 if (*valstr == '\0') {
1956 BIO_printf(bio_err,
1957 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1958 opt_getprog(), desc, typestr);
1959 continue;
1960 }
1961 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1962 valstr, strlen((char *)valstr),
1963 -1, ismulti ? -1 : 0)) {
1964 ERR_print_errors(bio_err);
1965 BIO_printf(bio_err,
1966 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1967 opt_getprog(), desc, typestr ,valstr);
1968 goto err;
1969 }
1970 }
1971
1972 OPENSSL_free(work);
1973 return n;
1974
1975 err:
1976 X509_NAME_free(n);
1977 OPENSSL_free(work);
1978 return NULL;
1979}
1980
1981/*
1982 * Read whole contents of a BIO into an allocated memory buffer and return
1983 * it.
1984 */
1985
1986int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
1987{
1988 BIO *mem;
1989 int len, ret;
1990 unsigned char tbuf[1024];
1991
1992 mem = BIO_new(BIO_s_mem());
1993 if (mem == NULL)
1994 return -1;
1995 for (;;) {
1996 if ((maxlen != -1) && maxlen < 1024)
1997 len = maxlen;
1998 else
1999 len = 1024;
2000 len = BIO_read(in, tbuf, len);
2001 if (len < 0) {
2002 BIO_free(mem);
2003 return -1;
2004 }
2005 if (len == 0)
2006 break;
2007 if (BIO_write(mem, tbuf, len) != len) {
2008 BIO_free(mem);
2009 return -1;
2010 }
2011 maxlen -= len;
2012
2013 if (maxlen == 0)
2014 break;
2015 }
2016 ret = BIO_get_mem_data(mem, (char **)out);
2017 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2018 BIO_free(mem);
2019 return ret;
2020}
2021
2022int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2023{
2024 int rv = 0;
2025 char *stmp, *vtmp = NULL;
2026
2027 stmp = OPENSSL_strdup(value);
2028 if (stmp == NULL)
2029 return -1;
2030 vtmp = strchr(stmp, ':');
2031 if (vtmp == NULL)
2032 goto err;
2033
2034 *vtmp = 0;
2035 vtmp++;
2036 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2037
2038 err:
2039 OPENSSL_free(stmp);
2040 return rv;
2041}
2042
2043static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2044{
2045 X509_POLICY_NODE *node;
2046 int i;
2047
2048 BIO_printf(bio_err, "%s Policies:", name);
2049 if (nodes) {
2050 BIO_puts(bio_err, "\n");
2051 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2052 node = sk_X509_POLICY_NODE_value(nodes, i);
2053 X509_POLICY_NODE_print(bio_err, node, 2);
2054 }
2055 } else {
2056 BIO_puts(bio_err, " <empty>\n");
2057 }
2058}
2059
2060void policies_print(X509_STORE_CTX *ctx)
2061{
2062 X509_POLICY_TREE *tree;
2063 int explicit_policy;
2064 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2065 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2066
2067 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2068 explicit_policy ? "True" : "False");
2069
2070 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2071 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2072}
2073
2074/*-
2075 * next_protos_parse parses a comma separated list of strings into a string
2076 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2077 * outlen: (output) set to the length of the resulting buffer on success.
2078 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2079 * in: a NUL terminated string like "abc,def,ghi"
2080 *
2081 * returns: a malloc'd buffer or NULL on failure.
2082 */
2083unsigned char *next_protos_parse(size_t *outlen, const char *in)
2084{
2085 size_t len;
2086 unsigned char *out;
2087 size_t i, start = 0;
2088 size_t skipped = 0;
2089
2090 len = strlen(in);
2091 if (len == 0 || len >= 65535)
2092 return NULL;
2093
2094 out = app_malloc(len + 1, "NPN buffer");
2095 for (i = 0; i <= len; ++i) {
2096 if (i == len || in[i] == ',') {
2097 /*
2098 * Zero-length ALPN elements are invalid on the wire, we could be
2099 * strict and reject the entire string, but just ignoring extra
2100 * commas seems harmless and more friendly.
2101 *
2102 * Every comma we skip in this way puts the input buffer another
2103 * byte ahead of the output buffer, so all stores into the output
2104 * buffer need to be decremented by the number commas skipped.
2105 */
2106 if (i == start) {
2107 ++start;
2108 ++skipped;
2109 continue;
2110 }
2111 if (i - start > 255) {
2112 OPENSSL_free(out);
2113 return NULL;
2114 }
2115 out[start-skipped] = (unsigned char)(i - start);
2116 start = i + 1;
2117 } else {
2118 out[i + 1 - skipped] = in[i];
2119 }
2120 }
2121
2122 if (len <= skipped) {
2123 OPENSSL_free(out);
2124 return NULL;
2125 }
2126
2127 *outlen = len + 1 - skipped;
2128 return out;
2129}
2130
2131void print_cert_checks(BIO *bio, X509 *x,
2132 const char *checkhost,
2133 const char *checkemail, const char *checkip)
2134{
2135 if (x == NULL)
2136 return;
2137 if (checkhost) {
2138 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2139 checkhost,
2140 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2141 ? "" : " NOT");
2142 }
2143
2144 if (checkemail) {
2145 BIO_printf(bio, "Email %s does%s match certificate\n",
2146 checkemail, X509_check_email(x, checkemail, 0, 0)
2147 ? "" : " NOT");
2148 }
2149
2150 if (checkip) {
2151 BIO_printf(bio, "IP %s does%s match certificate\n",
2152 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2153 }
2154}
2155
2156static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, STACK_OF(OPENSSL_STRING) *opts)
2157{
2158 int i;
2159
2160 if (opts == NULL)
2161 return 1;
2162
2163 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2164 char *opt = sk_OPENSSL_STRING_value(opts, i);
2165 if (pkey_ctrl_string(pkctx, opt) <= 0) {
2166 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2167 ERR_print_errors(bio_err);
2168 return 0;
2169 }
2170 }
2171
2172 return 1;
2173}
2174
2175static int do_x509_init(X509 *x, STACK_OF(OPENSSL_STRING) *opts)
2176{
2177 int i;
2178
2179 if (opts == NULL)
2180 return 1;
2181
2182 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2183 char *opt = sk_OPENSSL_STRING_value(opts, i);
2184 if (x509_ctrl_string(x, opt) <= 0) {
2185 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2186 ERR_print_errors(bio_err);
2187 return 0;
2188 }
2189 }
2190
2191 return 1;
2192}
2193
2194static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2195{
2196 int i;
2197
2198 if (opts == NULL)
2199 return 1;
2200
2201 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2202 char *opt = sk_OPENSSL_STRING_value(opts, i);
2203 if (x509_req_ctrl_string(x, opt) <= 0) {
2204 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2205 ERR_print_errors(bio_err);
2206 return 0;
2207 }
2208 }
2209
2210 return 1;
2211}
2212
2213static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2214 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2215{
2216 EVP_PKEY_CTX *pkctx = NULL;
2217 char def_md[80];
2218
2219 if (ctx == NULL)
2220 return 0;
2221 /*
2222 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2223 * for this algorithm.
2224 */
2225 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2226 && strcmp(def_md, "UNDEF") == 0) {
2227 /* The signing algorithm requires there to be no digest */
2228 md = NULL;
2229 }
2230
2231 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2232 app_get0_propq(), pkey, NULL)
2233 && do_pkey_ctx_init(pkctx, sigopts);
2234}
2235
2236static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2237 const char *name, const char *value, int add_default)
2238{
2239 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2240 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2241 int idx, rv = 0;
2242
2243 if (new_ext == NULL)
2244 return rv;
2245
2246 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2247 if (idx >= 0) {
2248 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2249 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2250 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2251
2252 if (disabled) {
2253 X509_delete_ext(cert, idx);
2254 X509_EXTENSION_free(found_ext);
2255 } /* else keep existing key identifier, which might be outdated */
2256 rv = 1;
2257 } else {
2258 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2259 }
2260 X509_EXTENSION_free(new_ext);
2261 return rv;
2262}
2263
2264/* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2265int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2266 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2267{
2268 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2269 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2270 int self_sign;
2271 int rv = 0;
2272
2273 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2274 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2275 if (!X509_set_version(cert, X509_VERSION_3))
2276 goto end;
2277
2278 /*
2279 * Add default SKID before such that default AKID can make use of it
2280 * in case the certificate is self-signed
2281 */
2282 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2283 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2284 goto end;
2285 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2286 ERR_set_mark();
2287 self_sign = X509_check_private_key(cert, pkey);
2288 ERR_pop_to_mark();
2289 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2290 "keyid, issuer", !self_sign))
2291 goto end;
2292 }
2293
2294 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2295 rv = (X509_sign_ctx(cert, mctx) > 0);
2296 end:
2297 EVP_MD_CTX_free(mctx);
2298 return rv;
2299}
2300
2301/* Sign the certificate request info */
2302int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2303 STACK_OF(OPENSSL_STRING) *sigopts)
2304{
2305 int rv = 0;
2306 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2307
2308 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2309 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2310 EVP_MD_CTX_free(mctx);
2311 return rv;
2312}
2313
2314/* Sign the CRL info */
2315int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2316 STACK_OF(OPENSSL_STRING) *sigopts)
2317{
2318 int rv = 0;
2319 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2320
2321 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2322 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2323 EVP_MD_CTX_free(mctx);
2324 return rv;
2325}
2326
2327/*
2328 * do_X509_verify returns 1 if the signature is valid,
2329 * 0 if the signature check fails, or -1 if error occurs.
2330 */
2331int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2332{
2333 int rv = 0;
2334
2335 if (do_x509_init(x, vfyopts) > 0)
2336 rv = X509_verify(x, pkey);
2337 else
2338 rv = -1;
2339 return rv;
2340}
2341
2342/*
2343 * do_X509_REQ_verify returns 1 if the signature is valid,
2344 * 0 if the signature check fails, or -1 if error occurs.
2345 */
2346int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2347 STACK_OF(OPENSSL_STRING) *vfyopts)
2348{
2349 int rv = 0;
2350
2351 if (do_x509_req_init(x, vfyopts) > 0)
2352 rv = X509_REQ_verify_ex(x, pkey,
2353 app_get0_libctx(), app_get0_propq());
2354 else
2355 rv = -1;
2356 return rv;
2357}
2358
2359/* Get first http URL from a DIST_POINT structure */
2360
2361static const char *get_dp_url(DIST_POINT *dp)
2362{
2363 GENERAL_NAMES *gens;
2364 GENERAL_NAME *gen;
2365 int i, gtype;
2366 ASN1_STRING *uri;
2367 if (!dp->distpoint || dp->distpoint->type != 0)
2368 return NULL;
2369 gens = dp->distpoint->name.fullname;
2370 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2371 gen = sk_GENERAL_NAME_value(gens, i);
2372 uri = GENERAL_NAME_get0_value(gen, &gtype);
2373 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2374 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2375
2376 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2377 return uptr;
2378 }
2379 }
2380 return NULL;
2381}
2382
2383/*
2384 * Look through a CRLDP structure and attempt to find an http URL to
2385 * downloads a CRL from.
2386 */
2387
2388static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2389{
2390 int i;
2391 const char *urlptr = NULL;
2392 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2393 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2394 urlptr = get_dp_url(dp);
2395 if (urlptr != NULL)
2396 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2397 }
2398 return NULL;
2399}
2400
2401/*
2402 * Example of downloading CRLs from CRLDP:
2403 * not usable for real world as it always downloads and doesn't cache anything.
2404 */
2405
2406static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2407 const X509_NAME *nm)
2408{
2409 X509 *x;
2410 STACK_OF(X509_CRL) *crls = NULL;
2411 X509_CRL *crl;
2412 STACK_OF(DIST_POINT) *crldp;
2413
2414 crls = sk_X509_CRL_new_null();
2415 if (!crls)
2416 return NULL;
2417 x = X509_STORE_CTX_get_current_cert(ctx);
2418 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2419 crl = load_crl_crldp(crldp);
2420 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2421 if (!crl) {
2422 sk_X509_CRL_free(crls);
2423 return NULL;
2424 }
2425 sk_X509_CRL_push(crls, crl);
2426 /* Try to download delta CRL */
2427 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2428 crl = load_crl_crldp(crldp);
2429 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2430 if (crl)
2431 sk_X509_CRL_push(crls, crl);
2432 return crls;
2433}
2434
2435void store_setup_crl_download(X509_STORE *st)
2436{
2437 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2438}
2439
2440#ifndef OPENSSL_NO_SOCK
2441static const char *tls_error_hint(void)
2442{
2443 unsigned long err = ERR_peek_error();
2444
2445 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2446 err = ERR_peek_last_error();
2447 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2448 return NULL;
2449
2450 switch (ERR_GET_REASON(err)) {
2451 case SSL_R_WRONG_VERSION_NUMBER:
2452 return "The server does not support (a suitable version of) TLS";
2453 case SSL_R_UNKNOWN_PROTOCOL:
2454 return "The server does not support HTTPS";
2455 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2456 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2457 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2458 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2459 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2460 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2461 default: /* no error or no hint available for error */
2462 return NULL;
2463 }
2464}
2465
2466/* HTTP callback function that supports TLS connection also via HTTPS proxy */
2467BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
2468{
2469 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2470 SSL_CTX *ssl_ctx = info->ssl_ctx;
2471
2472 if (ssl_ctx == NULL) /* not using TLS */
2473 return bio;
2474 if (connect) {
2475 SSL *ssl;
2476 BIO *sbio = NULL;
2477 X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
2478 X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
2479 const char *host = vpm == NULL ? NULL :
2480 X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
2481
2482 /* adapt after fixing callback design flaw, see #17088 */
2483 if ((info->use_proxy
2484 && !OSSL_HTTP_proxy_connect(bio, info->server, info->port,
2485 NULL, NULL, /* no proxy credentials */
2486 info->timeout, bio_err, opt_getprog()))
2487 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2488 return NULL;
2489 }
2490 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2491 BIO_free(sbio);
2492 return NULL;
2493 }
2494
2495 if (vpm != NULL)
2496 SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
2497
2498 SSL_set_connect_state(ssl);
2499 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2500
2501 bio = BIO_push(sbio, bio);
2502 }
2503 if (!connect) {
2504 const char *hint;
2505 BIO *cbio;
2506
2507 if (!detail) { /* disconnecting after error */
2508 hint = tls_error_hint();
2509 if (hint != NULL)
2510 ERR_add_error_data(2, " : ", hint);
2511 }
2512 if (ssl_ctx != NULL) {
2513 (void)ERR_set_mark();
2514 BIO_ssl_shutdown(bio);
2515 cbio = BIO_pop(bio); /* connect+HTTP BIO */
2516 BIO_free(bio); /* SSL BIO */
2517 (void)ERR_pop_to_mark(); /* hide SSL_R_READ_BIO_NOT_SET etc. */
2518 bio = cbio;
2519 }
2520 }
2521 return bio;
2522}
2523
2524void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2525{
2526 if (info != NULL) {
2527 SSL_CTX_free(info->ssl_ctx);
2528 OPENSSL_free(info);
2529 }
2530}
2531
2532ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2533 const char *no_proxy, SSL_CTX *ssl_ctx,
2534 const STACK_OF(CONF_VALUE) *headers,
2535 long timeout, const char *expected_content_type,
2536 const ASN1_ITEM *it)
2537{
2538 APP_HTTP_TLS_INFO info;
2539 char *server;
2540 char *port;
2541 int use_ssl;
2542 BIO *mem;
2543 ASN1_VALUE *resp = NULL;
2544
2545 if (url == NULL || it == NULL) {
2546 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2547 return NULL;
2548 }
2549
2550 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2551 NULL /* port_num, */, NULL, NULL, NULL))
2552 return NULL;
2553 if (use_ssl && ssl_ctx == NULL) {
2554 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2555 "missing SSL_CTX");
2556 goto end;
2557 }
2558 if (!use_ssl && ssl_ctx != NULL) {
2559 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_INVALID_ARGUMENT,
2560 "SSL_CTX given but use_ssl == 0");
2561 goto end;
2562 }
2563
2564 info.server = server;
2565 info.port = port;
2566 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2567 OSSL_HTTP_adapt_proxy(proxy, no_proxy, server, use_ssl) != NULL;
2568 info.timeout = timeout;
2569 info.ssl_ctx = ssl_ctx;
2570 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2571 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2572 expected_content_type, 1 /* expect_asn1 */,
2573 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2574 resp = ASN1_item_d2i_bio(it, mem, NULL);
2575 BIO_free(mem);
2576
2577 end:
2578 OPENSSL_free(server);
2579 OPENSSL_free(port);
2580 return resp;
2581
2582}
2583
2584ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2585 const char *path, const char *proxy,
2586 const char *no_proxy, SSL_CTX *ssl_ctx,
2587 const STACK_OF(CONF_VALUE) *headers,
2588 const char *content_type,
2589 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2590 const char *expected_content_type,
2591 long timeout, const ASN1_ITEM *rsp_it)
2592{
2593 int use_ssl = ssl_ctx != NULL;
2594 APP_HTTP_TLS_INFO info;
2595 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2596 ASN1_VALUE *res;
2597
2598 if (req_mem == NULL)
2599 return NULL;
2600
2601 info.server = host;
2602 info.port = port;
2603 info.use_proxy = /* workaround for callback design flaw, see #17088 */
2604 OSSL_HTTP_adapt_proxy(proxy, no_proxy, host, use_ssl) != NULL;
2605 info.timeout = timeout;
2606 info.ssl_ctx = ssl_ctx;
2607 rsp = OSSL_HTTP_transfer(NULL, host, port, path, use_ssl,
2608 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2609 app_http_tls_cb, &info,
2610 0 /* buf_size */, headers, content_type, req_mem,
2611 expected_content_type, 1 /* expect_asn1 */,
2612 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2613 0 /* keep_alive */);
2614 BIO_free(req_mem);
2615 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2616 BIO_free(rsp);
2617 return res;
2618}
2619
2620#endif
2621
2622/*
2623 * Platform-specific sections
2624 */
2625#if defined(_WIN32)
2626# ifdef fileno
2627# undef fileno
2628# define fileno(a) (int)_fileno(a)
2629# endif
2630
2631# include <windows.h>
2632# include <tchar.h>
2633
2634static int WIN32_rename(const char *from, const char *to)
2635{
2636 TCHAR *tfrom = NULL, *tto;
2637 DWORD err;
2638 int ret = 0;
2639
2640 if (sizeof(TCHAR) == 1) {
2641 tfrom = (TCHAR *)from;
2642 tto = (TCHAR *)to;
2643 } else { /* UNICODE path */
2644
2645 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2646 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2647 if (tfrom == NULL)
2648 goto err;
2649 tto = tfrom + flen;
2650# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2651 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2652# endif
2653 for (i = 0; i < flen; i++)
2654 tfrom[i] = (TCHAR)from[i];
2655# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2656 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2657# endif
2658 for (i = 0; i < tlen; i++)
2659 tto[i] = (TCHAR)to[i];
2660 }
2661
2662 if (MoveFile(tfrom, tto))
2663 goto ok;
2664 err = GetLastError();
2665 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2666 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2667 goto ok;
2668 err = GetLastError();
2669 }
2670 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2671 errno = ENOENT;
2672 else if (err == ERROR_ACCESS_DENIED)
2673 errno = EACCES;
2674 else
2675 errno = EINVAL; /* we could map more codes... */
2676 err:
2677 ret = -1;
2678 ok:
2679 if (tfrom != NULL && tfrom != (TCHAR *)from)
2680 free(tfrom);
2681 return ret;
2682}
2683#endif
2684
2685/* app_tminterval section */
2686#if defined(_WIN32)
2687double app_tminterval(int stop, int usertime)
2688{
2689 FILETIME now;
2690 double ret = 0;
2691 static ULARGE_INTEGER tmstart;
2692 static int warning = 1;
2693# ifdef _WIN32_WINNT
2694 static HANDLE proc = NULL;
2695
2696 if (proc == NULL) {
2697 if (check_winnt())
2698 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2699 GetCurrentProcessId());
2700 if (proc == NULL)
2701 proc = (HANDLE) - 1;
2702 }
2703
2704 if (usertime && proc != (HANDLE) - 1) {
2705 FILETIME junk;
2706 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2707 } else
2708# endif
2709 {
2710 SYSTEMTIME systime;
2711
2712 if (usertime && warning) {
2713 BIO_printf(bio_err, "To get meaningful results, run "
2714 "this program on idle system.\n");
2715 warning = 0;
2716 }
2717 GetSystemTime(&systime);
2718 SystemTimeToFileTime(&systime, &now);
2719 }
2720
2721 if (stop == TM_START) {
2722 tmstart.u.LowPart = now.dwLowDateTime;
2723 tmstart.u.HighPart = now.dwHighDateTime;
2724 } else {
2725 ULARGE_INTEGER tmstop;
2726
2727 tmstop.u.LowPart = now.dwLowDateTime;
2728 tmstop.u.HighPart = now.dwHighDateTime;
2729
2730 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2731 }
2732
2733 return ret;
2734}
2735#elif defined(OPENSSL_SYS_VXWORKS)
2736# include <time.h>
2737
2738double app_tminterval(int stop, int usertime)
2739{
2740 double ret = 0;
2741# ifdef CLOCK_REALTIME
2742 static struct timespec tmstart;
2743 struct timespec now;
2744# else
2745 static unsigned long tmstart;
2746 unsigned long now;
2747# endif
2748 static int warning = 1;
2749
2750 if (usertime && warning) {
2751 BIO_printf(bio_err, "To get meaningful results, run "
2752 "this program on idle system.\n");
2753 warning = 0;
2754 }
2755# ifdef CLOCK_REALTIME
2756 clock_gettime(CLOCK_REALTIME, &now);
2757 if (stop == TM_START)
2758 tmstart = now;
2759 else
2760 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2761 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2762# else
2763 now = tickGet();
2764 if (stop == TM_START)
2765 tmstart = now;
2766 else
2767 ret = (now - tmstart) / (double)sysClkRateGet();
2768# endif
2769 return ret;
2770}
2771
2772#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2773# include <sys/times.h>
2774
2775double app_tminterval(int stop, int usertime)
2776{
2777 double ret = 0;
2778 struct tms rus;
2779 clock_t now = times(&rus);
2780 static clock_t tmstart;
2781
2782 if (usertime)
2783 now = rus.tms_utime;
2784
2785 if (stop == TM_START) {
2786 tmstart = now;
2787 } else {
2788 long int tck = sysconf(_SC_CLK_TCK);
2789 ret = (now - tmstart) / (double)tck;
2790 }
2791
2792 return ret;
2793}
2794
2795#else
2796# include <sys/time.h>
2797# include <sys/resource.h>
2798
2799double app_tminterval(int stop, int usertime)
2800{
2801 double ret = 0;
2802 struct rusage rus;
2803 struct timeval now;
2804 static struct timeval tmstart;
2805
2806 if (usertime)
2807 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2808 else
2809 gettimeofday(&now, NULL);
2810
2811 if (stop == TM_START)
2812 tmstart = now;
2813 else
2814 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2815 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2816
2817 return ret;
2818}
2819#endif
2820
2821int app_access(const char* name, int flag)
2822{
2823#ifdef _WIN32
2824 return _access(name, flag);
2825#else
2826 return access(name, flag);
2827#endif
2828}
2829
2830int app_isdir(const char *name)
2831{
2832 return opt_isdir(name);
2833}
2834
2835/* raw_read|write section */
2836#if defined(__VMS)
2837# include "vms_term_sock.h"
2838static int stdin_sock = -1;
2839
2840static void close_stdin_sock(void)
2841{
2842 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2843}
2844
2845int fileno_stdin(void)
2846{
2847 if (stdin_sock == -1) {
2848 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2849 atexit(close_stdin_sock);
2850 }
2851
2852 return stdin_sock;
2853}
2854#else
2855int fileno_stdin(void)
2856{
2857 return fileno(stdin);
2858}
2859#endif
2860
2861int fileno_stdout(void)
2862{
2863 return fileno(stdout);
2864}
2865
2866#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2867int raw_read_stdin(void *buf, int siz)
2868{
2869 DWORD n;
2870 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2871 return n;
2872 else
2873 return -1;
2874}
2875#elif defined(__VMS)
2876# include <sys/socket.h>
2877
2878int raw_read_stdin(void *buf, int siz)
2879{
2880 return recv(fileno_stdin(), buf, siz, 0);
2881}
2882#else
2883# if defined(__TANDEM)
2884# if defined(OPENSSL_TANDEM_FLOSS)
2885# include <floss.h(floss_read)>
2886# endif
2887# endif
2888int raw_read_stdin(void *buf, int siz)
2889{
2890 return read(fileno_stdin(), buf, siz);
2891}
2892#endif
2893
2894#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2895int raw_write_stdout(const void *buf, int siz)
2896{
2897 DWORD n;
2898 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2899 return n;
2900 else
2901 return -1;
2902}
2903#elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2904# if defined(__TANDEM)
2905# if defined(OPENSSL_TANDEM_FLOSS)
2906# include <floss.h(floss_write)>
2907# endif
2908# endif
2909int raw_write_stdout(const void *buf,int siz)
2910{
2911 return write(fileno(stdout),(void*)buf,siz);
2912}
2913#else
2914# if defined(__TANDEM)
2915# if defined(OPENSSL_TANDEM_FLOSS)
2916# include <floss.h(floss_write)>
2917# endif
2918# endif
2919int raw_write_stdout(const void *buf, int siz)
2920{
2921 return write(fileno_stdout(), buf, siz);
2922}
2923#endif
2924
2925/*
2926 * Centralized handling of input and output files with format specification
2927 * The format is meant to show what the input and output is supposed to be,
2928 * and is therefore a show of intent more than anything else. However, it
2929 * does impact behavior on some platforms, such as differentiating between
2930 * text and binary input/output on non-Unix platforms
2931 */
2932BIO *dup_bio_in(int format)
2933{
2934 return BIO_new_fp(stdin,
2935 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2936}
2937
2938BIO *dup_bio_out(int format)
2939{
2940 BIO *b = BIO_new_fp(stdout,
2941 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2942 void *prefix = NULL;
2943
2944 if (b == NULL)
2945 return NULL;
2946
2947#ifdef OPENSSL_SYS_VMS
2948 if (FMT_istext(format))
2949 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2950#endif
2951
2952 if (FMT_istext(format)
2953 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2954 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2955 BIO_set_prefix(b, prefix);
2956 }
2957
2958 return b;
2959}
2960
2961BIO *dup_bio_err(int format)
2962{
2963 BIO *b = BIO_new_fp(stderr,
2964 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2965#ifdef OPENSSL_SYS_VMS
2966 if (b != NULL && FMT_istext(format))
2967 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2968#endif
2969 return b;
2970}
2971
2972void unbuffer(FILE *fp)
2973{
2974/*
2975 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2976 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2977 * However, we trust that the C RTL will never give us a FILE pointer
2978 * above the first 4 GB of memory, so we simply turn off the warning
2979 * temporarily.
2980 */
2981#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2982# pragma environment save
2983# pragma message disable maylosedata2
2984#endif
2985 setbuf(fp, NULL);
2986#if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2987# pragma environment restore
2988#endif
2989}
2990
2991static const char *modestr(char mode, int format)
2992{
2993 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2994
2995 switch (mode) {
2996 case 'a':
2997 return FMT_istext(format) ? "a" : "ab";
2998 case 'r':
2999 return FMT_istext(format) ? "r" : "rb";
3000 case 'w':
3001 return FMT_istext(format) ? "w" : "wb";
3002 }
3003 /* The assert above should make sure we never reach this point */
3004 return NULL;
3005}
3006
3007static const char *modeverb(char mode)
3008{
3009 switch (mode) {
3010 case 'a':
3011 return "appending";
3012 case 'r':
3013 return "reading";
3014 case 'w':
3015 return "writing";
3016 }
3017 return "(doing something)";
3018}
3019
3020/*
3021 * Open a file for writing, owner-read-only.
3022 */
3023BIO *bio_open_owner(const char *filename, int format, int private)
3024{
3025 FILE *fp = NULL;
3026 BIO *b = NULL;
3027 int textmode, bflags;
3028#ifndef OPENSSL_NO_POSIX_IO
3029 int fd = -1, mode;
3030#endif
3031
3032 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3033 return bio_open_default(filename, 'w', format);
3034
3035 textmode = FMT_istext(format);
3036#ifndef OPENSSL_NO_POSIX_IO
3037 mode = O_WRONLY;
3038# ifdef O_CREAT
3039 mode |= O_CREAT;
3040# endif
3041# ifdef O_TRUNC
3042 mode |= O_TRUNC;
3043# endif
3044 if (!textmode) {
3045# ifdef O_BINARY
3046 mode |= O_BINARY;
3047# elif defined(_O_BINARY)
3048 mode |= _O_BINARY;
3049# endif
3050 }
3051
3052# ifdef OPENSSL_SYS_VMS
3053 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
3054 * it still needs to know that we're going binary, or fdopen()
3055 * will fail with "invalid argument"... so we tell VMS what the
3056 * context is.
3057 */
3058 if (!textmode)
3059 fd = open(filename, mode, 0600, "ctx=bin");
3060 else
3061# endif
3062 fd = open(filename, mode, 0600);
3063 if (fd < 0)
3064 goto err;
3065 fp = fdopen(fd, modestr('w', format));
3066#else /* OPENSSL_NO_POSIX_IO */
3067 /* Have stdio but not Posix IO, do the best we can */
3068 fp = fopen(filename, modestr('w', format));
3069#endif /* OPENSSL_NO_POSIX_IO */
3070 if (fp == NULL)
3071 goto err;
3072 bflags = BIO_CLOSE;
3073 if (textmode)
3074 bflags |= BIO_FP_TEXT;
3075 b = BIO_new_fp(fp, bflags);
3076 if (b != NULL)
3077 return b;
3078
3079 err:
3080 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3081 opt_getprog(), filename, strerror(errno));
3082 ERR_print_errors(bio_err);
3083 /* If we have fp, then fdopen took over fd, so don't close both. */
3084 if (fp != NULL)
3085 fclose(fp);
3086#ifndef OPENSSL_NO_POSIX_IO
3087 else if (fd >= 0)
3088 close(fd);
3089#endif
3090 return NULL;
3091}
3092
3093static BIO *bio_open_default_(const char *filename, char mode, int format,
3094 int quiet)
3095{
3096 BIO *ret;
3097
3098 if (filename == NULL || strcmp(filename, "-") == 0) {
3099 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3100 if (quiet) {
3101 ERR_clear_error();
3102 return ret;
3103 }
3104 if (ret != NULL)
3105 return ret;
3106 BIO_printf(bio_err,
3107 "Can't open %s, %s\n",
3108 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3109 } else {
3110 ret = BIO_new_file(filename, modestr(mode, format));
3111 if (quiet) {
3112 ERR_clear_error();
3113 return ret;
3114 }
3115 if (ret != NULL)
3116 return ret;
3117 BIO_printf(bio_err,
3118 "Can't open \"%s\" for %s, %s\n",
3119 filename, modeverb(mode), strerror(errno));
3120 }
3121 ERR_print_errors(bio_err);
3122 return NULL;
3123}
3124
3125BIO *bio_open_default(const char *filename, char mode, int format)
3126{
3127 return bio_open_default_(filename, mode, format, 0);
3128}
3129
3130BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3131{
3132 return bio_open_default_(filename, mode, format, 1);
3133}
3134
3135void wait_for_async(SSL *s)
3136{
3137 /* On Windows select only works for sockets, so we simply don't wait */
3138#ifndef OPENSSL_SYS_WINDOWS
3139 int width = 0;
3140 fd_set asyncfds;
3141 OSSL_ASYNC_FD *fds;
3142 size_t numfds;
3143 size_t i;
3144
3145 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3146 return;
3147 if (numfds == 0)
3148 return;
3149 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3150 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3151 OPENSSL_free(fds);
3152 return;
3153 }
3154
3155 FD_ZERO(&asyncfds);
3156 for (i = 0; i < numfds; i++) {
3157 if (width <= (int)fds[i])
3158 width = (int)fds[i] + 1;
3159 openssl_fdset((int)fds[i], &asyncfds);
3160 }
3161 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3162 OPENSSL_free(fds);
3163#endif
3164}
3165
3166/* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3167#if defined(OPENSSL_SYS_MSDOS)
3168int has_stdin_waiting(void)
3169{
3170# if defined(OPENSSL_SYS_WINDOWS)
3171 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3172 DWORD events = 0;
3173 INPUT_RECORD inputrec;
3174 DWORD insize = 1;
3175 BOOL peeked;
3176
3177 if (inhand == INVALID_HANDLE_VALUE) {
3178 return 0;
3179 }
3180
3181 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3182 if (!peeked) {
3183 /* Probably redirected input? _kbhit() does not work in this case */
3184 if (!feof(stdin)) {
3185 return 1;
3186 }
3187 return 0;
3188 }
3189# endif
3190 return _kbhit();
3191}
3192#endif
3193
3194/* Corrupt a signature by modifying final byte */
3195void corrupt_signature(const ASN1_STRING *signature)
3196{
3197 unsigned char *s = signature->data;
3198 s[signature->length - 1] ^= 0x1;
3199}
3200
3201int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3202 int days)
3203{
3204 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3205 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3206 return 0;
3207 } else {
3208 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3209 return 0;
3210 }
3211 if (enddate == NULL) {
3212 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3213 == NULL)
3214 return 0;
3215 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3216 return 0;
3217 }
3218 return 1;
3219}
3220
3221int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3222{
3223 int ret = 0;
3224 ASN1_TIME *tm = ASN1_TIME_new();
3225
3226 if (tm == NULL)
3227 goto end;
3228
3229 if (lastupdate == NULL) {
3230 if (X509_gmtime_adj(tm, 0) == NULL)
3231 goto end;
3232 } else {
3233 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3234 goto end;
3235 }
3236
3237 if (!X509_CRL_set1_lastUpdate(crl, tm))
3238 goto end;
3239
3240 ret = 1;
3241end:
3242 ASN1_TIME_free(tm);
3243 return ret;
3244}
3245
3246int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3247 long days, long hours, long secs)
3248{
3249 int ret = 0;
3250 ASN1_TIME *tm = ASN1_TIME_new();
3251
3252 if (tm == NULL)
3253 goto end;
3254
3255 if (nextupdate == NULL) {
3256 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3257 goto end;
3258 } else {
3259 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3260 goto end;
3261 }
3262
3263 if (!X509_CRL_set1_nextUpdate(crl, tm))
3264 goto end;
3265
3266 ret = 1;
3267end:
3268 ASN1_TIME_free(tm);
3269 return ret;
3270}
3271
3272void make_uppercase(char *string)
3273{
3274 int i;
3275
3276 for (i = 0; string[i] != '\0'; i++)
3277 string[i] = toupper((unsigned char)string[i]);
3278}
3279
3280/* This function is defined here due to visibility of bio_err */
3281int opt_printf_stderr(const char *fmt, ...)
3282{
3283 va_list ap;
3284 int ret;
3285
3286 va_start(ap, fmt);
3287 ret = BIO_vprintf(bio_err, fmt, ap);
3288 va_end(ap);
3289 return ret;
3290}
3291
3292OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3293 const OSSL_PARAM *paramdefs)
3294{
3295 OSSL_PARAM *params = NULL;
3296 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3297 size_t params_n;
3298 char *opt = "", *stmp, *vtmp = NULL;
3299 int found = 1;
3300
3301 if (opts == NULL)
3302 return NULL;
3303
3304 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3305 if (params == NULL)
3306 return NULL;
3307
3308 for (params_n = 0; params_n < sz; params_n++) {
3309 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3310 if ((stmp = OPENSSL_strdup(opt)) == NULL
3311 || (vtmp = strchr(stmp, ':')) == NULL)
3312 goto err;
3313 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3314 *vtmp = 0;
3315 /* Skip over the separator so that vmtp points to the value */
3316 vtmp++;
3317 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3318 stmp, vtmp, strlen(vtmp), &found))
3319 goto err;
3320 OPENSSL_free(stmp);
3321 }
3322 params[params_n] = OSSL_PARAM_construct_end();
3323 return params;
3324err:
3325 OPENSSL_free(stmp);
3326 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3327 opt);
3328 ERR_print_errors(bio_err);
3329 app_params_free(params);
3330 return NULL;
3331}
3332
3333void app_params_free(OSSL_PARAM *params)
3334{
3335 int i;
3336
3337 if (params != NULL) {
3338 for (i = 0; params[i].key != NULL; ++i)
3339 OPENSSL_free(params[i].data);
3340 OPENSSL_free(params);
3341 }
3342}
3343
3344EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3345{
3346 EVP_PKEY *res = NULL;
3347
3348 if (verbose && alg != NULL) {
3349 BIO_printf(bio_err, "Generating %s key", alg);
3350 if (bits > 0)
3351 BIO_printf(bio_err, " with %d bits\n", bits);
3352 else
3353 BIO_printf(bio_err, "\n");
3354 }
3355 if (!RAND_status())
3356 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3357 "if the system has a poor entropy source\n");
3358 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3359 app_bail_out("%s: Error generating %s key\n", opt_getprog(),
3360 alg != NULL ? alg : "asymmetric");
3361 return res;
3362}
3363
3364EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3365{
3366 EVP_PKEY *res = NULL;
3367
3368 if (!RAND_status())
3369 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3370 "if the system has a poor entropy source\n");
3371 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3372 app_bail_out("%s: Generating %s key parameters failed\n",
3373 opt_getprog(), alg != NULL ? alg : "asymmetric");
3374 return res;
3375}
3376
3377/*
3378 * Return non-zero if the legacy path is still an option.
3379 * This decision is based on the global command line operations and the
3380 * behaviour thus far.
3381 */
3382int opt_legacy_okay(void)
3383{
3384 int provider_options = opt_provider_option_given();
3385 int libctx = app_get0_libctx() != NULL || app_get0_propq() != NULL;
3386 /*
3387 * Having a provider option specified or a custom library context or
3388 * property query, is a sure sign we're not using legacy.
3389 */
3390 if (provider_options || libctx)
3391 return 0;
3392 return 1;
3393}
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