]> git.ipfire.org Git - thirdparty/openssl.git/blob - apps/lib/apps.c
projects / thirdparty / openssl.git / blob
? search:


79fe4f8409e67b10a2329aef0008d0b03731e289
[thirdparty/openssl.git] / apps / lib / apps.c
1 /*
2 * Copyright 1995-2021 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 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 #include <sys/types.h>
22 #ifndef OPENSSL_NO_POSIX_IO
23 # include <sys/stat.h>
24 # include <fcntl.h>
25 #endif
26 #include <ctype.h>
27 #include <errno.h>
28 #include <openssl/err.h>
29 #include <openssl/x509.h>
30 #include <openssl/x509v3.h>
31 #include <openssl/http.h>
32 #include <openssl/pem.h>
33 #include <openssl/store.h>
34 #include <openssl/pkcs12.h>
35 #include <openssl/ui.h>
36 #include <openssl/safestack.h>
37 #include <openssl/rsa.h>
38 #include <openssl/rand.h>
39 #include <openssl/bn.h>
40 #include <openssl/ssl.h>
41 #include <openssl/store.h>
42 #include <openssl/core_names.h>
43 #include "s_apps.h"
44 #include "apps.h"
45
46 #ifdef _WIN32
47 static int WIN32_rename(const char *from, const char *to);
48 # define rename(from,to) WIN32_rename((from),(to))
49 #endif
50
51 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
52 # include <conio.h>
53 #endif
54
55 #if defined(OPENSSL_SYS_MSDOS) && !defined(_WIN32) || defined(__BORLANDC__)
56 # define _kbhit kbhit
57 #endif
58
59 static BIO *bio_open_default_(const char *filename, char mode, int format,
60 int quiet);
61
62 #define PASS_SOURCE_SIZE_MAX 4
63
64 DEFINE_STACK_OF(CONF)
65
66 typedef struct {
67 const char *name;
68 unsigned long flag;
69 unsigned long mask;
70 } NAME_EX_TBL;
71
72 static OSSL_LIB_CTX *app_libctx = NULL;
73
74 static int set_table_opts(unsigned long *flags, const char *arg,
75 const NAME_EX_TBL * in_tbl);
76 static int set_multi_opts(unsigned long *flags, const char *arg,
77 const NAME_EX_TBL * in_tbl);
78 static
79 int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin,
80 const char *pass, const char *desc,
81 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
82 EVP_PKEY **pparams,
83 X509 **pcert, STACK_OF(X509) **pcerts,
84 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls,
85 int suppress_decode_errors);
86
87 int app_init(long mesgwin);
88
89 int chopup_args(ARGS *arg, char *buf)
90 {
91 int quoted;
92 char c = '\0', *p = NULL;
93
94 arg->argc = 0;
95 if (arg->size == 0) {
96 arg->size = 20;
97 arg->argv = app_malloc(sizeof(*arg->argv) * arg->size, "argv space");
98 }
99
100 for (p = buf;;) {
101 /* Skip whitespace. */
102 while (*p && isspace(_UC(*p)))
103 p++;
104 if (*p == '\0')
105 break;
106
107 /* The start of something good :-) */
108 if (arg->argc >= arg->size) {
109 char **tmp;
110 arg->size += 20;
111 tmp = OPENSSL_realloc(arg->argv, sizeof(*arg->argv) * arg->size);
112 if (tmp == NULL)
113 return 0;
114 arg->argv = tmp;
115 }
116 quoted = *p == '\'' || *p == '"';
117 if (quoted)
118 c = *p++;
119 arg->argv[arg->argc++] = p;
120
121 /* now look for the end of this */
122 if (quoted) {
123 while (*p && *p != c)
124 p++;
125 *p++ = '\0';
126 } else {
127 while (*p && !isspace(_UC(*p)))
128 p++;
129 if (*p)
130 *p++ = '\0';
131 }
132 }
133 arg->argv[arg->argc] = NULL;
134 return 1;
135 }
136
137 #ifndef APP_INIT
138 int app_init(long mesgwin)
139 {
140 return 1;
141 }
142 #endif
143
144 int ctx_set_verify_locations(SSL_CTX *ctx,
145 const char *CAfile, int noCAfile,
146 const char *CApath, int noCApath,
147 const char *CAstore, int noCAstore)
148 {
149 if (CAfile == NULL && CApath == NULL && CAstore == NULL) {
150 if (!noCAfile && SSL_CTX_set_default_verify_file(ctx) <= 0)
151 return 0;
152 if (!noCApath && SSL_CTX_set_default_verify_dir(ctx) <= 0)
153 return 0;
154 if (!noCAstore && SSL_CTX_set_default_verify_store(ctx) <= 0)
155 return 0;
156
157 return 1;
158 }
159
160 if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
161 return 0;
162 if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
163 return 0;
164 if (CAstore != NULL && !SSL_CTX_load_verify_store(ctx, CAstore))
165 return 0;
166 return 1;
167 }
168
169 #ifndef OPENSSL_NO_CT
170
171 int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
172 {
173 if (path == NULL)
174 return SSL_CTX_set_default_ctlog_list_file(ctx);
175
176 return SSL_CTX_set_ctlog_list_file(ctx, path);
177 }
178
179 #endif
180
181 static unsigned long nmflag = 0;
182 static char nmflag_set = 0;
183
184 int set_nameopt(const char *arg)
185 {
186 int ret = set_name_ex(&nmflag, arg);
187
188 if (ret)
189 nmflag_set = 1;
190
191 return ret;
192 }
193
194 unsigned long get_nameopt(void)
195 {
196 return (nmflag_set) ? nmflag : XN_FLAG_ONELINE;
197 }
198
199 int dump_cert_text(BIO *out, X509 *x)
200 {
201 print_name(out, "subject=", X509_get_subject_name(x));
202 BIO_puts(out, "\n");
203 print_name(out, "issuer=", X509_get_issuer_name(x));
204 BIO_puts(out, "\n");
205
206 return 0;
207 }
208
209 int 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
215 static char *app_get_pass(const char *arg, int keepbio);
216
217 char *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
235 int 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
256 static 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) {
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 pwdbio = BIO_push(btmp, pwdbio);
303 #endif
304 } else if (strcmp(arg, "stdin") == 0) {
305 pwdbio = dup_bio_in(FORMAT_TEXT);
306 if (pwdbio == NULL) {
307 BIO_printf(bio_err, "Can't open BIO for stdin\n");
308 return NULL;
309 }
310 } else {
311 /* argument syntax error; do not reveal too much about arg */
312 tmp = strchr(arg, ':');
313 if (tmp == NULL || tmp - arg > PASS_SOURCE_SIZE_MAX)
314 BIO_printf(bio_err,
315 "Invalid password argument, missing ':' within the first %d chars\n",
316 PASS_SOURCE_SIZE_MAX + 1);
317 else
318 BIO_printf(bio_err,
319 "Invalid password argument, starting with \"%.*s\"\n",
320 (int)(tmp - arg + 1), arg);
321 return NULL;
322 }
323 }
324 i = BIO_gets(pwdbio, tpass, APP_PASS_LEN);
325 if (keepbio != 1) {
326 BIO_free_all(pwdbio);
327 pwdbio = NULL;
328 }
329 if (i <= 0) {
330 BIO_printf(bio_err, "Error reading password from BIO\n");
331 return NULL;
332 }
333 tmp = strchr(tpass, '\n');
334 if (tmp != NULL)
335 *tmp = 0;
336 return OPENSSL_strdup(tpass);
337 }
338
339 OSSL_LIB_CTX *app_get0_libctx(void)
340 {
341 return app_libctx;
342 }
343
344 static const char *app_propq = NULL;
345
346 int app_set_propq(const char *arg)
347 {
348 app_propq = arg;
349 return 1;
350 }
351
352 const char *app_get0_propq(void)
353 {
354 return app_propq;
355 }
356
357 OSSL_LIB_CTX *app_create_libctx(void)
358 {
359 /*
360 * Load the NULL provider into the default library context and create a
361 * library context which will then be used for any OPT_PROV options.
362 */
363 if (app_libctx == NULL) {
364
365 if (!app_provider_load(NULL, "null")) {
366 BIO_puts(bio_err, "Failed to create null provider\n");
367 return NULL;
368 }
369 app_libctx = OSSL_LIB_CTX_new();
370 }
371 if (app_libctx == NULL)
372 BIO_puts(bio_err, "Failed to create library context\n");
373 return app_libctx;
374 }
375
376 CONF *app_load_config_bio(BIO *in, const char *filename)
377 {
378 long errorline = -1;
379 CONF *conf;
380 int i;
381
382 conf = NCONF_new_ex(app_libctx, NULL);
383 i = NCONF_load_bio(conf, in, &errorline);
384 if (i > 0)
385 return conf;
386
387 if (errorline <= 0) {
388 BIO_printf(bio_err, "%s: Can't load ", opt_getprog());
389 } else {
390 BIO_printf(bio_err, "%s: Error on line %ld of ", opt_getprog(),
391 errorline);
392 }
393 if (filename != NULL)
394 BIO_printf(bio_err, "config file \"%s\"\n", filename);
395 else
396 BIO_printf(bio_err, "config input");
397
398 NCONF_free(conf);
399 return NULL;
400 }
401
402 CONF *app_load_config_verbose(const char *filename, int verbose)
403 {
404 if (verbose) {
405 if (*filename == '\0')
406 BIO_printf(bio_err, "No configuration used\n");
407 else
408 BIO_printf(bio_err, "Using configuration from %s\n", filename);
409 }
410 return app_load_config_internal(filename, 0);
411 }
412
413 CONF *app_load_config_internal(const char *filename, int quiet)
414 {
415 BIO *in;
416 CONF *conf;
417
418 if (filename == NULL || *filename != '\0') {
419 if ((in = bio_open_default_(filename, 'r', FORMAT_TEXT, quiet)) == NULL)
420 return NULL;
421 conf = app_load_config_bio(in, filename);
422 BIO_free(in);
423 } else {
424 /* Return empty config if filename is empty string. */
425 conf = NCONF_new_ex(app_libctx, NULL);
426 }
427 return conf;
428 }
429
430 int app_load_modules(const CONF *config)
431 {
432 CONF *to_free = NULL;
433
434 if (config == NULL)
435 config = to_free = app_load_config_quiet(default_config_file);
436 if (config == NULL)
437 return 1;
438
439 if (CONF_modules_load(config, NULL, 0) <= 0) {
440 BIO_printf(bio_err, "Error configuring OpenSSL modules\n");
441 ERR_print_errors(bio_err);
442 NCONF_free(to_free);
443 return 0;
444 }
445 NCONF_free(to_free);
446 return 1;
447 }
448
449 int add_oid_section(CONF *conf)
450 {
451 char *p;
452 STACK_OF(CONF_VALUE) *sktmp;
453 CONF_VALUE *cnf;
454 int i;
455
456 if ((p = NCONF_get_string(conf, NULL, "oid_section")) == NULL) {
457 ERR_clear_error();
458 return 1;
459 }
460 if ((sktmp = NCONF_get_section(conf, p)) == NULL) {
461 BIO_printf(bio_err, "problem loading oid section %s\n", p);
462 return 0;
463 }
464 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
465 cnf = sk_CONF_VALUE_value(sktmp, i);
466 if (OBJ_create(cnf->value, cnf->name, cnf->name) == NID_undef) {
467 BIO_printf(bio_err, "problem creating object %s=%s\n",
468 cnf->name, cnf->value);
469 return 0;
470 }
471 }
472 return 1;
473 }
474
475 CONF *app_load_config_modules(const char *configfile)
476 {
477 CONF *conf = NULL;
478
479 if (configfile != NULL) {
480 if ((conf = app_load_config_verbose(configfile, 1)) == NULL)
481 return NULL;
482 if (configfile != default_config_file && !app_load_modules(conf)) {
483 NCONF_free(conf);
484 conf = NULL;
485 }
486 }
487 return conf;
488 }
489
490 #define IS_HTTP(uri) ((uri) != NULL \
491 && strncmp(uri, OSSL_HTTP_PREFIX, strlen(OSSL_HTTP_PREFIX)) == 0)
492 #define IS_HTTPS(uri) ((uri) != NULL \
493 && strncmp(uri, OSSL_HTTPS_PREFIX, strlen(OSSL_HTTPS_PREFIX)) == 0)
494
495 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
496 const char *pass, const char *desc)
497 {
498 X509 *cert = NULL;
499
500 if (desc == NULL)
501 desc = "certificate";
502 if (IS_HTTPS(uri))
503 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
504 else if (IS_HTTP(uri))
505 cert = X509_load_http(uri, NULL, NULL, 0 /* timeout */);
506 else
507 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
508 NULL, NULL, NULL, &cert, NULL, NULL, NULL);
509 if (cert == NULL) {
510 BIO_printf(bio_err, "Unable to load %s\n", desc);
511 ERR_print_errors(bio_err);
512 }
513 return cert;
514 }
515
516 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
517 const char *desc)
518 {
519 X509_CRL *crl = NULL;
520
521 if (desc == NULL)
522 desc = "CRL";
523 if (IS_HTTPS(uri))
524 BIO_printf(bio_err, "Loading %s over HTTPS is unsupported\n", desc);
525 else if (IS_HTTP(uri))
526 crl = X509_CRL_load_http(uri, NULL, NULL, 0 /* timeout */);
527 else
528 (void)load_key_certs_crls(uri, format, maybe_stdin, NULL, desc,
529 NULL, NULL, NULL, NULL, NULL, &crl, NULL);
530 if (crl == NULL) {
531 BIO_printf(bio_err, "Unable to load %s\n", desc);
532 ERR_print_errors(bio_err);
533 }
534 return crl;
535 }
536
537 X509_REQ *load_csr(const char *file, int format, const char *desc)
538 {
539 X509_REQ *req = NULL;
540 BIO *in;
541
542 if (format == FORMAT_UNDEF)
543 format = FORMAT_PEM;
544 if (desc == NULL)
545 desc = "CSR";
546 in = bio_open_default(file, 'r', format);
547 if (in == NULL)
548 goto end;
549
550 if (format == FORMAT_ASN1)
551 req = d2i_X509_REQ_bio(in, NULL);
552 else if (format == FORMAT_PEM)
553 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
554 else
555 print_format_error(format, OPT_FMT_PEMDER);
556
557 end:
558 if (req == NULL) {
559 BIO_printf(bio_err, "Unable to load %s\n", desc);
560 ERR_print_errors(bio_err);
561 }
562 BIO_free(in);
563 return req;
564 }
565
566 void cleanse(char *str)
567 {
568 if (str != NULL)
569 OPENSSL_cleanse(str, strlen(str));
570 }
571
572 void clear_free(char *str)
573 {
574 if (str != NULL)
575 OPENSSL_clear_free(str, strlen(str));
576 }
577
578 EVP_PKEY *load_key(const char *uri, int format, int may_stdin,
579 const char *pass, ENGINE *e, const char *desc)
580 {
581 EVP_PKEY *pkey = NULL;
582 char *allocated_uri = NULL;
583
584 if (desc == NULL)
585 desc = "private key";
586
587 if (format == FORMAT_ENGINE) {
588 uri = allocated_uri = make_engine_uri(e, uri, desc);
589 }
590 (void)load_key_certs_crls(uri, format, may_stdin, pass, desc,
591 &pkey, NULL, NULL, NULL, NULL, NULL, NULL);
592
593 OPENSSL_free(allocated_uri);
594 return pkey;
595 }
596
597 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
598 const char *pass, ENGINE *e, const char *desc)
599 {
600 EVP_PKEY *pkey = NULL;
601 char *allocated_uri = NULL;
602
603 if (desc == NULL)
604 desc = "public key";
605
606 if (format == FORMAT_ENGINE) {
607 uri = allocated_uri = make_engine_uri(e, uri, desc);
608 }
609 (void)load_key_certs_crls(uri, format, maybe_stdin, pass, desc,
610 NULL, &pkey, NULL, NULL, NULL, NULL, NULL);
611
612 OPENSSL_free(allocated_uri);
613 return pkey;
614 }
615
616 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
617 const char *keytype, const char *desc,
618 int suppress_decode_errors)
619 {
620 EVP_PKEY *params = NULL;
621
622 if (desc == NULL)
623 desc = "key parameters";
624
625 (void)load_key_certs_crls_suppress(uri, format, maybe_stdin, NULL, desc,
626 NULL, NULL, &params, NULL, NULL, NULL,
627 NULL, suppress_decode_errors);
628 if (params != NULL && keytype != NULL && !EVP_PKEY_is_a(params, keytype)) {
629 if (!suppress_decode_errors) {
630 BIO_printf(bio_err,
631 "Unable to load %s from %s (unexpected parameters type)\n",
632 desc, uri);
633 ERR_print_errors(bio_err);
634 }
635 EVP_PKEY_free(params);
636 params = NULL;
637 }
638 return params;
639 }
640
641 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
642 const char *keytype, const char *desc)
643 {
644 return load_keyparams_suppress(uri, format, maybe_stdin, keytype, desc, 0);
645 }
646
647 void app_bail_out(char *fmt, ...)
648 {
649 va_list args;
650
651 va_start(args, fmt);
652 BIO_vprintf(bio_err, fmt, args);
653 va_end(args);
654 ERR_print_errors(bio_err);
655 exit(EXIT_FAILURE);
656 }
657
658 void *app_malloc(size_t sz, const char *what)
659 {
660 void *vp = OPENSSL_malloc(sz);
661
662 if (vp == NULL)
663 app_bail_out("%s: Could not allocate %zu bytes for %s\n",
664 opt_getprog(), sz, what);
665 return vp;
666 }
667
668 char *next_item(char *opt) /* in list separated by comma and/or space */
669 {
670 /* advance to separator (comma or whitespace), if any */
671 while (*opt != ',' && !isspace(*opt) && *opt != '\0')
672 opt++;
673 if (*opt != '\0') {
674 /* terminate current item */
675 *opt++ = '\0';
676 /* skip over any whitespace after separator */
677 while (isspace(*opt))
678 opt++;
679 }
680 return *opt == '\0' ? NULL : opt; /* NULL indicates end of input */
681 }
682
683 static void warn_cert_msg(const char *uri, X509 *cert, const char *msg)
684 {
685 char *subj = X509_NAME_oneline(X509_get_subject_name(cert), NULL, 0);
686
687 BIO_printf(bio_err, "Warning: certificate from '%s' with subject '%s' %s\n",
688 uri, subj, msg);
689 OPENSSL_free(subj);
690 }
691
692 static void warn_cert(const char *uri, X509 *cert, int warn_EE,
693 X509_VERIFY_PARAM *vpm)
694 {
695 uint32_t ex_flags = X509_get_extension_flags(cert);
696 int res = X509_cmp_timeframe(vpm, X509_get0_notBefore(cert),
697 X509_get0_notAfter(cert));
698
699 if (res != 0)
700 warn_cert_msg(uri, cert, res > 0 ? "has expired" : "not yet valid");
701 if (warn_EE && (ex_flags & EXFLAG_V1) == 0 && (ex_flags & EXFLAG_CA) == 0)
702 warn_cert_msg(uri, cert, "is not a CA cert");
703 }
704
705 static void warn_certs(const char *uri, STACK_OF(X509) *certs, int warn_EE,
706 X509_VERIFY_PARAM *vpm)
707 {
708 int i;
709
710 for (i = 0; i < sk_X509_num(certs); i++)
711 warn_cert(uri, sk_X509_value(certs, i), warn_EE, vpm);
712 }
713
714 int load_cert_certs(const char *uri,
715 X509 **pcert, STACK_OF(X509) **pcerts,
716 int exclude_http, const char *pass, const char *desc,
717 X509_VERIFY_PARAM *vpm)
718 {
719 int ret = 0;
720 char *pass_string;
721
722 if (exclude_http && (strncasecmp(uri, "http://", 7) == 0
723 || strncasecmp(uri, "https://", 8) == 0)) {
724 BIO_printf(bio_err, "error: HTTP retrieval not allowed for %s\n", desc);
725 return ret;
726 }
727 pass_string = get_passwd(pass, desc);
728 ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass_string, desc,
729 NULL, NULL, NULL,
730 pcert, pcerts, NULL, NULL);
731 clear_free(pass_string);
732
733 if (ret) {
734 if (pcert != NULL)
735 warn_cert(uri, *pcert, 0, vpm);
736 warn_certs(uri, *pcerts, 1, vpm);
737 } else {
738 sk_X509_pop_free(*pcerts, X509_free);
739 *pcerts = NULL;
740 }
741 return ret;
742 }
743
744 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
745 const char *desc, X509_VERIFY_PARAM *vpm)
746 {
747 STACK_OF(X509) *certs = NULL;
748 STACK_OF(X509) *result = sk_X509_new_null();
749
750 if (files == NULL)
751 goto err;
752 if (result == NULL)
753 goto oom;
754
755 while (files != NULL) {
756 char *next = next_item(files);
757
758 if (!load_cert_certs(files, NULL, &certs, 0, pass, desc, vpm))
759 goto err;
760 if (!X509_add_certs(result, certs,
761 X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
762 goto oom;
763 sk_X509_pop_free(certs, X509_free);
764 certs = NULL;
765 files = next;
766 }
767 return result;
768
769 oom:
770 BIO_printf(bio_err, "out of memory\n");
771 err:
772 sk_X509_pop_free(certs, X509_free);
773 sk_X509_pop_free(result, X509_free);
774 return NULL;
775 }
776
777 static X509_STORE *sk_X509_to_store(X509_STORE *store /* may be NULL */,
778 const STACK_OF(X509) *certs /* may NULL */)
779 {
780 int i;
781
782 if (store == NULL)
783 store = X509_STORE_new();
784 if (store == NULL)
785 return NULL;
786 for (i = 0; i < sk_X509_num(certs); i++) {
787 if (!X509_STORE_add_cert(store, sk_X509_value(certs, i))) {
788 X509_STORE_free(store);
789 return NULL;
790 }
791 }
792 return store;
793 }
794
795 /*
796 * Create cert store structure with certificates read from given file(s).
797 * Returns pointer to created X509_STORE on success, NULL on error.
798 */
799 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
800 X509_VERIFY_PARAM *vpm)
801 {
802 X509_STORE *store = NULL;
803 STACK_OF(X509) *certs = NULL;
804
805 while (input != NULL) {
806 char *next = next_item(input);
807 int ok;
808
809 if (!load_cert_certs(input, NULL, &certs, 1, pass, desc, vpm)) {
810 X509_STORE_free(store);
811 return NULL;
812 }
813 ok = (store = sk_X509_to_store(store, certs)) != NULL;
814 sk_X509_pop_free(certs, X509_free);
815 certs = NULL;
816 if (!ok)
817 return NULL;
818 input = next;
819 }
820 return store;
821 }
822
823 /*
824 * Initialize or extend, if *certs != NULL, a certificate stack.
825 * The caller is responsible for freeing *certs if its value is left not NULL.
826 */
827 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
828 const char *pass, const char *desc)
829 {
830 int was_NULL = *certs == NULL;
831 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, maybe_stdin,
832 pass, desc, NULL, NULL,
833 NULL, NULL, certs, NULL, NULL);
834
835 if (!ret && was_NULL) {
836 sk_X509_pop_free(*certs, X509_free);
837 *certs = NULL;
838 }
839 return ret;
840 }
841
842 /*
843 * Initialize or extend, if *crls != NULL, a certificate stack.
844 * The caller is responsible for freeing *crls if its value is left not NULL.
845 */
846 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
847 const char *pass, const char *desc)
848 {
849 int was_NULL = *crls == NULL;
850 int ret = load_key_certs_crls(uri, FORMAT_UNDEF, 0, pass, desc,
851 NULL, NULL, NULL,
852 NULL, NULL, NULL, crls);
853
854 if (!ret && was_NULL) {
855 sk_X509_CRL_pop_free(*crls, X509_CRL_free);
856 *crls = NULL;
857 }
858 return ret;
859 }
860
861 static const char *format2string(int format)
862 {
863 switch(format) {
864 case FORMAT_PEM:
865 return "PEM";
866 case FORMAT_ASN1:
867 return "DER";
868 }
869 return NULL;
870 }
871
872 /* Set type expectation, but clear it if objects of different types expected. */
873 #define SET_EXPECT(expect, val) ((expect) = (expect) < 0 ? (val) : ((expect) == (val) ? (val) : 0))
874 /*
875 * Load those types of credentials for which the result pointer is not NULL.
876 * Reads from stdio if uri is NULL and maybe_stdin is nonzero.
877 * For non-NULL ppkey, pcert, and pcrl the first suitable value found is loaded.
878 * If pcerts is non-NULL and *pcerts == NULL then a new cert list is allocated.
879 * If pcerts is non-NULL then all available certificates are appended to *pcerts
880 * except any certificate assigned to *pcert.
881 * If pcrls is non-NULL and *pcrls == NULL then a new list of CRLs is allocated.
882 * If pcrls is non-NULL then all available CRLs are appended to *pcerts
883 * except any CRL assigned to *pcrl.
884 * In any case (also on error) the caller is responsible for freeing all members
885 * of *pcerts and *pcrls (as far as they are not NULL).
886 */
887 static
888 int load_key_certs_crls_suppress(const char *uri, int format, int maybe_stdin,
889 const char *pass, const char *desc,
890 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
891 EVP_PKEY **pparams,
892 X509 **pcert, STACK_OF(X509) **pcerts,
893 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls,
894 int suppress_decode_errors)
895 {
896 PW_CB_DATA uidata;
897 OSSL_STORE_CTX *ctx = NULL;
898 OSSL_LIB_CTX *libctx = app_get0_libctx();
899 const char *propq = app_get0_propq();
900 int ncerts = 0;
901 int ncrls = 0;
902 const char *failed =
903 ppkey != NULL ? "key" : ppubkey != NULL ? "public key" :
904 pparams != NULL ? "params" : pcert != NULL ? "cert" :
905 pcrl != NULL ? "CRL" : pcerts != NULL ? "certs" :
906 pcrls != NULL ? "CRLs" : NULL;
907 int cnt_expectations = 0;
908 int expect = -1;
909 const char *input_type;
910 OSSL_PARAM itp[2];
911 const OSSL_PARAM *params = NULL;
912
913 if (suppress_decode_errors)
914 ERR_set_mark();
915
916 if (ppkey != NULL) {
917 *ppkey = NULL;
918 cnt_expectations++;
919 SET_EXPECT(expect, OSSL_STORE_INFO_PKEY);
920 }
921 if (ppubkey != NULL) {
922 *ppubkey = NULL;
923 cnt_expectations++;
924 SET_EXPECT(expect, OSSL_STORE_INFO_PUBKEY);
925 }
926 if (pparams != NULL) {
927 *pparams = NULL;
928 cnt_expectations++;
929 SET_EXPECT(expect, OSSL_STORE_INFO_PARAMS);
930 }
931 if (pcert != NULL) {
932 *pcert = NULL;
933 cnt_expectations++;
934 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
935 }
936 if (pcerts != NULL) {
937 if (*pcerts == NULL && (*pcerts = sk_X509_new_null()) == NULL) {
938 BIO_printf(bio_err, "Out of memory loading");
939 goto end;
940 }
941 cnt_expectations++;
942 SET_EXPECT(expect, OSSL_STORE_INFO_CERT);
943 }
944 if (pcrl != NULL) {
945 *pcrl = NULL;
946 cnt_expectations++;
947 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
948 }
949 if (pcrls != NULL) {
950 if (*pcrls == NULL && (*pcrls = sk_X509_CRL_new_null()) == NULL) {
951 BIO_printf(bio_err, "Out of memory loading");
952 goto end;
953 }
954 cnt_expectations++;
955 SET_EXPECT(expect, OSSL_STORE_INFO_CRL);
956 }
957 if (cnt_expectations == 0) {
958 BIO_printf(bio_err, "Internal error: nothing to load from %s\n",
959 uri != NULL ? uri : "<stdin>");
960 return 0;
961 }
962
963 uidata.password = pass;
964 uidata.prompt_info = uri;
965
966 if ((input_type = format2string(format)) != NULL) {
967 itp[0] = OSSL_PARAM_construct_utf8_string(OSSL_STORE_PARAM_INPUT_TYPE,
968 (char *)input_type, 0);
969 itp[1] = OSSL_PARAM_construct_end();
970 params = itp;
971 }
972
973 if (uri == NULL) {
974 BIO *bio;
975
976 if (!maybe_stdin) {
977 BIO_printf(bio_err, "No filename or uri specified for loading");
978 goto end;
979 }
980 uri = "<stdin>";
981 unbuffer(stdin);
982 bio = BIO_new_fp(stdin, 0);
983 if (bio != NULL) {
984 ctx = OSSL_STORE_attach(bio, "file", libctx, propq,
985 get_ui_method(), &uidata, params,
986 NULL, NULL);
987 BIO_free(bio);
988 }
989 } else {
990 ctx = OSSL_STORE_open_ex(uri, libctx, propq, get_ui_method(), &uidata,
991 params, NULL, NULL);
992 }
993 if (ctx == NULL) {
994 BIO_printf(bio_err, "Could not open file or uri for loading");
995 goto end;
996 }
997 if (expect > 0 && !OSSL_STORE_expect(ctx, expect))
998 goto end;
999
1000 failed = NULL;
1001 while (cnt_expectations > 0 && !OSSL_STORE_eof(ctx)) {
1002 OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
1003 int type, ok = 1;
1004
1005 /*
1006 * This can happen (for example) if we attempt to load a file with
1007 * multiple different types of things in it - but the thing we just
1008 * tried to load wasn't one of the ones we wanted, e.g. if we're trying
1009 * to load a certificate but the file has both the private key and the
1010 * certificate in it. We just retry until eof.
1011 */
1012 if (info == NULL) {
1013 if (OSSL_STORE_error(ctx)) {
1014 ERR_print_errors(bio_err);
1015 ERR_clear_error();
1016 }
1017 continue;
1018 }
1019
1020 type = OSSL_STORE_INFO_get_type(info);
1021 switch (type) {
1022 case OSSL_STORE_INFO_PKEY:
1023 if (ppkey != NULL && *ppkey == NULL) {
1024 ok = (*ppkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL;
1025 cnt_expectations -= ok;
1026 }
1027 /*
1028 * An EVP_PKEY with private parts also holds the public parts,
1029 * so if the caller asked for a public key, and we got a private
1030 * key, we can still pass it back.
1031 */
1032 if (ok && ppubkey != NULL && *ppubkey == NULL) {
1033 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PKEY(info)) != NULL);
1034 cnt_expectations -= ok;
1035 }
1036 break;
1037 case OSSL_STORE_INFO_PUBKEY:
1038 if (ppubkey != NULL && *ppubkey == NULL) {
1039 ok = ((*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL);
1040 cnt_expectations -= ok;
1041 }
1042 break;
1043 case OSSL_STORE_INFO_PARAMS:
1044 if (pparams != NULL && *pparams == NULL) {
1045 ok = ((*pparams = OSSL_STORE_INFO_get1_PARAMS(info)) != NULL);
1046 cnt_expectations -= ok;
1047 }
1048 break;
1049 case OSSL_STORE_INFO_CERT:
1050 if (pcert != NULL && *pcert == NULL) {
1051 ok = (*pcert = OSSL_STORE_INFO_get1_CERT(info)) != NULL;
1052 cnt_expectations -= ok;
1053 }
1054 else if (pcerts != NULL)
1055 ok = X509_add_cert(*pcerts,
1056 OSSL_STORE_INFO_get1_CERT(info),
1057 X509_ADD_FLAG_DEFAULT);
1058 ncerts += ok;
1059 break;
1060 case OSSL_STORE_INFO_CRL:
1061 if (pcrl != NULL && *pcrl == NULL) {
1062 ok = (*pcrl = OSSL_STORE_INFO_get1_CRL(info)) != NULL;
1063 cnt_expectations -= ok;
1064 }
1065 else if (pcrls != NULL)
1066 ok = sk_X509_CRL_push(*pcrls, OSSL_STORE_INFO_get1_CRL(info));
1067 ncrls += ok;
1068 break;
1069 default:
1070 /* skip any other type */
1071 break;
1072 }
1073 OSSL_STORE_INFO_free(info);
1074 if (!ok) {
1075 failed = info == NULL ? NULL : OSSL_STORE_INFO_type_string(type);
1076 BIO_printf(bio_err, "Error reading");
1077 break;
1078 }
1079 }
1080
1081 end:
1082 OSSL_STORE_close(ctx);
1083 if (failed == NULL) {
1084 int any = 0;
1085
1086 if ((ppkey != NULL && *ppkey == NULL)
1087 || (ppubkey != NULL && *ppubkey == NULL)) {
1088 failed = "key";
1089 } else if (pparams != NULL && *pparams == NULL) {
1090 failed = "params";
1091 } else if ((pcert != NULL || pcerts != NULL) && ncerts == 0) {
1092 if (pcert == NULL)
1093 any = 1;
1094 failed = "cert";
1095 } else if ((pcrl != NULL || pcrls != NULL) && ncrls == 0) {
1096 if (pcrl == NULL)
1097 any = 1;
1098 failed = "CRL";
1099 }
1100 if (!suppress_decode_errors) {
1101 if (failed != NULL)
1102 BIO_printf(bio_err, "Could not read");
1103 if (any)
1104 BIO_printf(bio_err, " any");
1105 }
1106 }
1107 if (!suppress_decode_errors && failed != NULL) {
1108 if (desc != NULL && strstr(desc, failed) != NULL) {
1109 BIO_printf(bio_err, " %s", desc);
1110 } else {
1111 BIO_printf(bio_err, " %s", failed);
1112 if (desc != NULL)
1113 BIO_printf(bio_err, " of %s", desc);
1114 }
1115 if (uri != NULL)
1116 BIO_printf(bio_err, " from %s", uri);
1117 BIO_printf(bio_err, "\n");
1118 ERR_print_errors(bio_err);
1119 }
1120 if (suppress_decode_errors)
1121 ERR_pop_to_mark();
1122 return failed == NULL;
1123 }
1124
1125 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
1126 const char *pass, const char *desc,
1127 EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
1128 EVP_PKEY **pparams,
1129 X509 **pcert, STACK_OF(X509) **pcerts,
1130 X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls)
1131 {
1132 return load_key_certs_crls_suppress(uri, format, maybe_stdin, pass, desc,
1133 ppkey, ppubkey, pparams, pcert, pcerts,
1134 pcrl, pcrls, 0);
1135 }
1136
1137 #define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
1138 /* Return error for unknown extensions */
1139 #define X509V3_EXT_DEFAULT 0
1140 /* Print error for unknown extensions */
1141 #define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
1142 /* ASN1 parse unknown extensions */
1143 #define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
1144 /* BIO_dump unknown extensions */
1145 #define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
1146
1147 #define X509_FLAG_CA (X509_FLAG_NO_ISSUER | X509_FLAG_NO_PUBKEY | \
1148 X509_FLAG_NO_HEADER | X509_FLAG_NO_VERSION)
1149
1150 int set_cert_ex(unsigned long *flags, const char *arg)
1151 {
1152 static const NAME_EX_TBL cert_tbl[] = {
1153 {"compatible", X509_FLAG_COMPAT, 0xffffffffl},
1154 {"ca_default", X509_FLAG_CA, 0xffffffffl},
1155 {"no_header", X509_FLAG_NO_HEADER, 0},
1156 {"no_version", X509_FLAG_NO_VERSION, 0},
1157 {"no_serial", X509_FLAG_NO_SERIAL, 0},
1158 {"no_signame", X509_FLAG_NO_SIGNAME, 0},
1159 {"no_validity", X509_FLAG_NO_VALIDITY, 0},
1160 {"no_subject", X509_FLAG_NO_SUBJECT, 0},
1161 {"no_issuer", X509_FLAG_NO_ISSUER, 0},
1162 {"no_pubkey", X509_FLAG_NO_PUBKEY, 0},
1163 {"no_extensions", X509_FLAG_NO_EXTENSIONS, 0},
1164 {"no_sigdump", X509_FLAG_NO_SIGDUMP, 0},
1165 {"no_aux", X509_FLAG_NO_AUX, 0},
1166 {"no_attributes", X509_FLAG_NO_ATTRIBUTES, 0},
1167 {"ext_default", X509V3_EXT_DEFAULT, X509V3_EXT_UNKNOWN_MASK},
1168 {"ext_error", X509V3_EXT_ERROR_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1169 {"ext_parse", X509V3_EXT_PARSE_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1170 {"ext_dump", X509V3_EXT_DUMP_UNKNOWN, X509V3_EXT_UNKNOWN_MASK},
1171 {NULL, 0, 0}
1172 };
1173 return set_multi_opts(flags, arg, cert_tbl);
1174 }
1175
1176 int set_name_ex(unsigned long *flags, const char *arg)
1177 {
1178 static const NAME_EX_TBL ex_tbl[] = {
1179 {"esc_2253", ASN1_STRFLGS_ESC_2253, 0},
1180 {"esc_2254", ASN1_STRFLGS_ESC_2254, 0},
1181 {"esc_ctrl", ASN1_STRFLGS_ESC_CTRL, 0},
1182 {"esc_msb", ASN1_STRFLGS_ESC_MSB, 0},
1183 {"use_quote", ASN1_STRFLGS_ESC_QUOTE, 0},
1184 {"utf8", ASN1_STRFLGS_UTF8_CONVERT, 0},
1185 {"ignore_type", ASN1_STRFLGS_IGNORE_TYPE, 0},
1186 {"show_type", ASN1_STRFLGS_SHOW_TYPE, 0},
1187 {"dump_all", ASN1_STRFLGS_DUMP_ALL, 0},
1188 {"dump_nostr", ASN1_STRFLGS_DUMP_UNKNOWN, 0},
1189 {"dump_der", ASN1_STRFLGS_DUMP_DER, 0},
1190 {"compat", XN_FLAG_COMPAT, 0xffffffffL},
1191 {"sep_comma_plus", XN_FLAG_SEP_COMMA_PLUS, XN_FLAG_SEP_MASK},
1192 {"sep_comma_plus_space", XN_FLAG_SEP_CPLUS_SPC, XN_FLAG_SEP_MASK},
1193 {"sep_semi_plus_space", XN_FLAG_SEP_SPLUS_SPC, XN_FLAG_SEP_MASK},
1194 {"sep_multiline", XN_FLAG_SEP_MULTILINE, XN_FLAG_SEP_MASK},
1195 {"dn_rev", XN_FLAG_DN_REV, 0},
1196 {"nofname", XN_FLAG_FN_NONE, XN_FLAG_FN_MASK},
1197 {"sname", XN_FLAG_FN_SN, XN_FLAG_FN_MASK},
1198 {"lname", XN_FLAG_FN_LN, XN_FLAG_FN_MASK},
1199 {"align", XN_FLAG_FN_ALIGN, 0},
1200 {"oid", XN_FLAG_FN_OID, XN_FLAG_FN_MASK},
1201 {"space_eq", XN_FLAG_SPC_EQ, 0},
1202 {"dump_unknown", XN_FLAG_DUMP_UNKNOWN_FIELDS, 0},
1203 {"RFC2253", XN_FLAG_RFC2253, 0xffffffffL},
1204 {"oneline", XN_FLAG_ONELINE, 0xffffffffL},
1205 {"multiline", XN_FLAG_MULTILINE, 0xffffffffL},
1206 {"ca_default", XN_FLAG_MULTILINE, 0xffffffffL},
1207 {NULL, 0, 0}
1208 };
1209 if (set_multi_opts(flags, arg, ex_tbl) == 0)
1210 return 0;
1211 if (*flags != XN_FLAG_COMPAT
1212 && (*flags & XN_FLAG_SEP_MASK) == 0)
1213 *flags |= XN_FLAG_SEP_CPLUS_SPC;
1214 return 1;
1215 }
1216
1217 int set_dateopt(unsigned long *dateopt, const char *arg)
1218 {
1219 if (strcasecmp(arg, "rfc_822") == 0)
1220 *dateopt = ASN1_DTFLGS_RFC822;
1221 else if (strcasecmp(arg, "iso_8601") == 0)
1222 *dateopt = ASN1_DTFLGS_ISO8601;
1223 return 0;
1224 }
1225
1226 int set_ext_copy(int *copy_type, const char *arg)
1227 {
1228 if (strcasecmp(arg, "none") == 0)
1229 *copy_type = EXT_COPY_NONE;
1230 else if (strcasecmp(arg, "copy") == 0)
1231 *copy_type = EXT_COPY_ADD;
1232 else if (strcasecmp(arg, "copyall") == 0)
1233 *copy_type = EXT_COPY_ALL;
1234 else
1235 return 0;
1236 return 1;
1237 }
1238
1239 int copy_extensions(X509 *x, X509_REQ *req, int copy_type)
1240 {
1241 STACK_OF(X509_EXTENSION) *exts;
1242 int i, ret = 0;
1243
1244 if (x == NULL || req == NULL)
1245 return 0;
1246 if (copy_type == EXT_COPY_NONE)
1247 return 1;
1248 exts = X509_REQ_get_extensions(req);
1249
1250 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
1251 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
1252 ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
1253 int idx = X509_get_ext_by_OBJ(x, obj, -1);
1254
1255 /* Does extension exist in target? */
1256 if (idx != -1) {
1257 /* If normal copy don't override existing extension */
1258 if (copy_type == EXT_COPY_ADD)
1259 continue;
1260 /* Delete all extensions of same type */
1261 do {
1262 X509_EXTENSION_free(X509_delete_ext(x, idx));
1263 idx = X509_get_ext_by_OBJ(x, obj, -1);
1264 } while (idx != -1);
1265 }
1266 if (!X509_add_ext(x, ext, -1))
1267 goto end;
1268 }
1269 ret = 1;
1270
1271 end:
1272 sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
1273 return ret;
1274 }
1275
1276 static int set_multi_opts(unsigned long *flags, const char *arg,
1277 const NAME_EX_TBL * in_tbl)
1278 {
1279 STACK_OF(CONF_VALUE) *vals;
1280 CONF_VALUE *val;
1281 int i, ret = 1;
1282 if (!arg)
1283 return 0;
1284 vals = X509V3_parse_list(arg);
1285 for (i = 0; i < sk_CONF_VALUE_num(vals); i++) {
1286 val = sk_CONF_VALUE_value(vals, i);
1287 if (!set_table_opts(flags, val->name, in_tbl))
1288 ret = 0;
1289 }
1290 sk_CONF_VALUE_pop_free(vals, X509V3_conf_free);
1291 return ret;
1292 }
1293
1294 static int set_table_opts(unsigned long *flags, const char *arg,
1295 const NAME_EX_TBL * in_tbl)
1296 {
1297 char c;
1298 const NAME_EX_TBL *ptbl;
1299 c = arg[0];
1300
1301 if (c == '-') {
1302 c = 0;
1303 arg++;
1304 } else if (c == '+') {
1305 c = 1;
1306 arg++;
1307 } else {
1308 c = 1;
1309 }
1310
1311 for (ptbl = in_tbl; ptbl->name; ptbl++) {
1312 if (strcasecmp(arg, ptbl->name) == 0) {
1313 *flags &= ~ptbl->mask;
1314 if (c)
1315 *flags |= ptbl->flag;
1316 else
1317 *flags &= ~ptbl->flag;
1318 return 1;
1319 }
1320 }
1321 return 0;
1322 }
1323
1324 void print_name(BIO *out, const char *title, const X509_NAME *nm)
1325 {
1326 char *buf;
1327 char mline = 0;
1328 int indent = 0;
1329 unsigned long lflags = get_nameopt();
1330
1331 if (title != NULL)
1332 BIO_puts(out, title);
1333 if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
1334 mline = 1;
1335 indent = 4;
1336 }
1337 if (lflags == XN_FLAG_COMPAT) {
1338 buf = X509_NAME_oneline(nm, 0, 0);
1339 BIO_puts(out, buf);
1340 BIO_puts(out, "\n");
1341 OPENSSL_free(buf);
1342 } else {
1343 if (mline)
1344 BIO_puts(out, "\n");
1345 X509_NAME_print_ex(out, nm, indent, lflags);
1346 BIO_puts(out, "\n");
1347 }
1348 }
1349
1350 void print_bignum_var(BIO *out, const BIGNUM *in, const char *var,
1351 int len, unsigned char *buffer)
1352 {
1353 BIO_printf(out, " static unsigned char %s_%d[] = {", var, len);
1354 if (BN_is_zero(in)) {
1355 BIO_printf(out, "\n 0x00");
1356 } else {
1357 int i, l;
1358
1359 l = BN_bn2bin(in, buffer);
1360 for (i = 0; i < l; i++) {
1361 BIO_printf(out, (i % 10) == 0 ? "\n " : " ");
1362 if (i < l - 1)
1363 BIO_printf(out, "0x%02X,", buffer[i]);
1364 else
1365 BIO_printf(out, "0x%02X", buffer[i]);
1366 }
1367 }
1368 BIO_printf(out, "\n };\n");
1369 }
1370
1371 void print_array(BIO *out, const char* title, int len, const unsigned char* d)
1372 {
1373 int i;
1374
1375 BIO_printf(out, "unsigned char %s[%d] = {", title, len);
1376 for (i = 0; i < len; i++) {
1377 if ((i % 10) == 0)
1378 BIO_printf(out, "\n ");
1379 if (i < len - 1)
1380 BIO_printf(out, "0x%02X, ", d[i]);
1381 else
1382 BIO_printf(out, "0x%02X", d[i]);
1383 }
1384 BIO_printf(out, "\n};\n");
1385 }
1386
1387 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
1388 const char *CApath, int noCApath,
1389 const char *CAstore, int noCAstore)
1390 {
1391 X509_STORE *store = X509_STORE_new();
1392 X509_LOOKUP *lookup;
1393 OSSL_LIB_CTX *libctx = app_get0_libctx();
1394 const char *propq = app_get0_propq();
1395
1396 if (store == NULL)
1397 goto end;
1398
1399 if (CAfile != NULL || !noCAfile) {
1400 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_file());
1401 if (lookup == NULL)
1402 goto end;
1403 if (CAfile != NULL) {
1404 if (!X509_LOOKUP_load_file_ex(lookup, CAfile, X509_FILETYPE_PEM,
1405 libctx, propq)) {
1406 BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1407 goto end;
1408 }
1409 } else {
1410 X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT,
1411 libctx, propq);
1412 }
1413 }
1414
1415 if (CApath != NULL || !noCApath) {
1416 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_hash_dir());
1417 if (lookup == NULL)
1418 goto end;
1419 if (CApath != NULL) {
1420 if (!X509_LOOKUP_add_dir(lookup, CApath, X509_FILETYPE_PEM)) {
1421 BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1422 goto end;
1423 }
1424 } else {
1425 X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
1426 }
1427 }
1428
1429 if (CAstore != NULL || !noCAstore) {
1430 lookup = X509_STORE_add_lookup(store, X509_LOOKUP_store());
1431 if (lookup == NULL)
1432 goto end;
1433 if (!X509_LOOKUP_add_store_ex(lookup, CAstore, libctx, propq)) {
1434 if (CAstore != NULL)
1435 BIO_printf(bio_err, "Error loading store URI %s\n", CAstore);
1436 goto end;
1437 }
1438 }
1439
1440 ERR_clear_error();
1441 return store;
1442 end:
1443 ERR_print_errors(bio_err);
1444 X509_STORE_free(store);
1445 return NULL;
1446 }
1447
1448 static unsigned long index_serial_hash(const OPENSSL_CSTRING *a)
1449 {
1450 const char *n;
1451
1452 n = a[DB_serial];
1453 while (*n == '0')
1454 n++;
1455 return OPENSSL_LH_strhash(n);
1456 }
1457
1458 static int index_serial_cmp(const OPENSSL_CSTRING *a,
1459 const OPENSSL_CSTRING *b)
1460 {
1461 const char *aa, *bb;
1462
1463 for (aa = a[DB_serial]; *aa == '0'; aa++) ;
1464 for (bb = b[DB_serial]; *bb == '0'; bb++) ;
1465 return strcmp(aa, bb);
1466 }
1467
1468 static int index_name_qual(char **a)
1469 {
1470 return (a[0][0] == 'V');
1471 }
1472
1473 static unsigned long index_name_hash(const OPENSSL_CSTRING *a)
1474 {
1475 return OPENSSL_LH_strhash(a[DB_name]);
1476 }
1477
1478 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b)
1479 {
1480 return strcmp(a[DB_name], b[DB_name]);
1481 }
1482
1483 static IMPLEMENT_LHASH_HASH_FN(index_serial, OPENSSL_CSTRING)
1484 static IMPLEMENT_LHASH_COMP_FN(index_serial, OPENSSL_CSTRING)
1485 static IMPLEMENT_LHASH_HASH_FN(index_name, OPENSSL_CSTRING)
1486 static IMPLEMENT_LHASH_COMP_FN(index_name, OPENSSL_CSTRING)
1487 #undef BSIZE
1488 #define BSIZE 256
1489 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai)
1490 {
1491 BIO *in = NULL;
1492 BIGNUM *ret = NULL;
1493 char buf[1024];
1494 ASN1_INTEGER *ai = NULL;
1495
1496 ai = ASN1_INTEGER_new();
1497 if (ai == NULL)
1498 goto err;
1499
1500 in = BIO_new_file(serialfile, "r");
1501 if (in == NULL) {
1502 if (!create) {
1503 perror(serialfile);
1504 goto err;
1505 }
1506 ERR_clear_error();
1507 ret = BN_new();
1508 if (ret == NULL || !rand_serial(ret, ai))
1509 BIO_printf(bio_err, "Out of memory\n");
1510 } else {
1511 if (!a2i_ASN1_INTEGER(in, ai, buf, 1024)) {
1512 BIO_printf(bio_err, "Unable to load number from %s\n",
1513 serialfile);
1514 goto err;
1515 }
1516 ret = ASN1_INTEGER_to_BN(ai, NULL);
1517 if (ret == NULL) {
1518 BIO_printf(bio_err, "Error converting number from bin to BIGNUM\n");
1519 goto err;
1520 }
1521 }
1522
1523 if (ret && retai) {
1524 *retai = ai;
1525 ai = NULL;
1526 }
1527 err:
1528 ERR_print_errors(bio_err);
1529 BIO_free(in);
1530 ASN1_INTEGER_free(ai);
1531 return ret;
1532 }
1533
1534 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
1535 ASN1_INTEGER **retai)
1536 {
1537 char buf[1][BSIZE];
1538 BIO *out = NULL;
1539 int ret = 0;
1540 ASN1_INTEGER *ai = NULL;
1541 int j;
1542
1543 if (suffix == NULL)
1544 j = strlen(serialfile);
1545 else
1546 j = strlen(serialfile) + strlen(suffix) + 1;
1547 if (j >= BSIZE) {
1548 BIO_printf(bio_err, "File name too long\n");
1549 goto err;
1550 }
1551
1552 if (suffix == NULL)
1553 OPENSSL_strlcpy(buf[0], serialfile, BSIZE);
1554 else {
1555 #ifndef OPENSSL_SYS_VMS
1556 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, suffix);
1557 #else
1558 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, suffix);
1559 #endif
1560 }
1561 out = BIO_new_file(buf[0], "w");
1562 if (out == NULL) {
1563 goto err;
1564 }
1565
1566 if ((ai = BN_to_ASN1_INTEGER(serial, NULL)) == NULL) {
1567 BIO_printf(bio_err, "error converting serial to ASN.1 format\n");
1568 goto err;
1569 }
1570 i2a_ASN1_INTEGER(out, ai);
1571 BIO_puts(out, "\n");
1572 ret = 1;
1573 if (retai) {
1574 *retai = ai;
1575 ai = NULL;
1576 }
1577 err:
1578 if (!ret)
1579 ERR_print_errors(bio_err);
1580 BIO_free_all(out);
1581 ASN1_INTEGER_free(ai);
1582 return ret;
1583 }
1584
1585 int rotate_serial(const char *serialfile, const char *new_suffix,
1586 const char *old_suffix)
1587 {
1588 char buf[2][BSIZE];
1589 int i, j;
1590
1591 i = strlen(serialfile) + strlen(old_suffix);
1592 j = strlen(serialfile) + strlen(new_suffix);
1593 if (i > j)
1594 j = i;
1595 if (j + 1 >= BSIZE) {
1596 BIO_printf(bio_err, "File name too long\n");
1597 goto err;
1598 }
1599 #ifndef OPENSSL_SYS_VMS
1600 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", serialfile, new_suffix);
1601 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", serialfile, old_suffix);
1602 #else
1603 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", serialfile, new_suffix);
1604 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", serialfile, old_suffix);
1605 #endif
1606 if (rename(serialfile, buf[1]) < 0 && errno != ENOENT
1607 #ifdef ENOTDIR
1608 && errno != ENOTDIR
1609 #endif
1610 ) {
1611 BIO_printf(bio_err,
1612 "Unable to rename %s to %s\n", serialfile, buf[1]);
1613 perror("reason");
1614 goto err;
1615 }
1616 if (rename(buf[0], serialfile) < 0) {
1617 BIO_printf(bio_err,
1618 "Unable to rename %s to %s\n", buf[0], serialfile);
1619 perror("reason");
1620 rename(buf[1], serialfile);
1621 goto err;
1622 }
1623 return 1;
1624 err:
1625 ERR_print_errors(bio_err);
1626 return 0;
1627 }
1628
1629 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai)
1630 {
1631 BIGNUM *btmp;
1632 int ret = 0;
1633
1634 btmp = b == NULL ? BN_new() : b;
1635 if (btmp == NULL)
1636 return 0;
1637
1638 if (!BN_rand(btmp, SERIAL_RAND_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
1639 goto error;
1640 if (ai && !BN_to_ASN1_INTEGER(btmp, ai))
1641 goto error;
1642
1643 ret = 1;
1644
1645 error:
1646
1647 if (btmp != b)
1648 BN_free(btmp);
1649
1650 return ret;
1651 }
1652
1653 CA_DB *load_index(const char *dbfile, DB_ATTR *db_attr)
1654 {
1655 CA_DB *retdb = NULL;
1656 TXT_DB *tmpdb = NULL;
1657 BIO *in;
1658 CONF *dbattr_conf = NULL;
1659 char buf[BSIZE];
1660 #ifndef OPENSSL_NO_POSIX_IO
1661 FILE *dbfp;
1662 struct stat dbst;
1663 #endif
1664
1665 in = BIO_new_file(dbfile, "r");
1666 if (in == NULL)
1667 goto err;
1668
1669 #ifndef OPENSSL_NO_POSIX_IO
1670 BIO_get_fp(in, &dbfp);
1671 if (fstat(fileno(dbfp), &dbst) == -1) {
1672 ERR_raise_data(ERR_LIB_SYS, errno,
1673 "calling fstat(%s)", dbfile);
1674 goto err;
1675 }
1676 #endif
1677
1678 if ((tmpdb = TXT_DB_read(in, DB_NUMBER)) == NULL)
1679 goto err;
1680
1681 #ifndef OPENSSL_SYS_VMS
1682 BIO_snprintf(buf, sizeof(buf), "%s.attr", dbfile);
1683 #else
1684 BIO_snprintf(buf, sizeof(buf), "%s-attr", dbfile);
1685 #endif
1686 dbattr_conf = app_load_config_quiet(buf);
1687
1688 retdb = app_malloc(sizeof(*retdb), "new DB");
1689 retdb->db = tmpdb;
1690 tmpdb = NULL;
1691 if (db_attr)
1692 retdb->attributes = *db_attr;
1693 else {
1694 retdb->attributes.unique_subject = 1;
1695 }
1696
1697 if (dbattr_conf) {
1698 char *p = NCONF_get_string(dbattr_conf, NULL, "unique_subject");
1699 if (p) {
1700 retdb->attributes.unique_subject = parse_yesno(p, 1);
1701 }
1702 }
1703
1704 retdb->dbfname = OPENSSL_strdup(dbfile);
1705 #ifndef OPENSSL_NO_POSIX_IO
1706 retdb->dbst = dbst;
1707 #endif
1708
1709 err:
1710 ERR_print_errors(bio_err);
1711 NCONF_free(dbattr_conf);
1712 TXT_DB_free(tmpdb);
1713 BIO_free_all(in);
1714 return retdb;
1715 }
1716
1717 /*
1718 * Returns > 0 on success, <= 0 on error
1719 */
1720 int index_index(CA_DB *db)
1721 {
1722 if (!TXT_DB_create_index(db->db, DB_serial, NULL,
1723 LHASH_HASH_FN(index_serial),
1724 LHASH_COMP_FN(index_serial))) {
1725 BIO_printf(bio_err,
1726 "Error creating serial number index:(%ld,%ld,%ld)\n",
1727 db->db->error, db->db->arg1, db->db->arg2);
1728 goto err;
1729 }
1730
1731 if (db->attributes.unique_subject
1732 && !TXT_DB_create_index(db->db, DB_name, index_name_qual,
1733 LHASH_HASH_FN(index_name),
1734 LHASH_COMP_FN(index_name))) {
1735 BIO_printf(bio_err, "Error creating name index:(%ld,%ld,%ld)\n",
1736 db->db->error, db->db->arg1, db->db->arg2);
1737 goto err;
1738 }
1739 return 1;
1740 err:
1741 ERR_print_errors(bio_err);
1742 return 0;
1743 }
1744
1745 int save_index(const char *dbfile, const char *suffix, CA_DB *db)
1746 {
1747 char buf[3][BSIZE];
1748 BIO *out;
1749 int j;
1750
1751 j = strlen(dbfile) + strlen(suffix);
1752 if (j + 6 >= BSIZE) {
1753 BIO_printf(bio_err, "File name too long\n");
1754 goto err;
1755 }
1756 #ifndef OPENSSL_SYS_VMS
1757 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr", dbfile);
1758 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.attr.%s", dbfile, suffix);
1759 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, suffix);
1760 #else
1761 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr", dbfile);
1762 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-attr-%s", dbfile, suffix);
1763 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, suffix);
1764 #endif
1765 out = BIO_new_file(buf[0], "w");
1766 if (out == NULL) {
1767 perror(dbfile);
1768 BIO_printf(bio_err, "Unable to open '%s'\n", dbfile);
1769 goto err;
1770 }
1771 j = TXT_DB_write(out, db->db);
1772 BIO_free(out);
1773 if (j <= 0)
1774 goto err;
1775
1776 out = BIO_new_file(buf[1], "w");
1777 if (out == NULL) {
1778 perror(buf[2]);
1779 BIO_printf(bio_err, "Unable to open '%s'\n", buf[2]);
1780 goto err;
1781 }
1782 BIO_printf(out, "unique_subject = %s\n",
1783 db->attributes.unique_subject ? "yes" : "no");
1784 BIO_free(out);
1785
1786 return 1;
1787 err:
1788 ERR_print_errors(bio_err);
1789 return 0;
1790 }
1791
1792 int rotate_index(const char *dbfile, const char *new_suffix,
1793 const char *old_suffix)
1794 {
1795 char buf[5][BSIZE];
1796 int i, j;
1797
1798 i = strlen(dbfile) + strlen(old_suffix);
1799 j = strlen(dbfile) + strlen(new_suffix);
1800 if (i > j)
1801 j = i;
1802 if (j + 6 >= BSIZE) {
1803 BIO_printf(bio_err, "File name too long\n");
1804 goto err;
1805 }
1806 #ifndef OPENSSL_SYS_VMS
1807 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s.attr", dbfile);
1808 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s.attr.%s", dbfile, old_suffix);
1809 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s.attr.%s", dbfile, new_suffix);
1810 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s.%s", dbfile, old_suffix);
1811 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s.%s", dbfile, new_suffix);
1812 #else
1813 j = BIO_snprintf(buf[4], sizeof(buf[4]), "%s-attr", dbfile);
1814 j = BIO_snprintf(buf[3], sizeof(buf[3]), "%s-attr-%s", dbfile, old_suffix);
1815 j = BIO_snprintf(buf[2], sizeof(buf[2]), "%s-attr-%s", dbfile, new_suffix);
1816 j = BIO_snprintf(buf[1], sizeof(buf[1]), "%s-%s", dbfile, old_suffix);
1817 j = BIO_snprintf(buf[0], sizeof(buf[0]), "%s-%s", dbfile, new_suffix);
1818 #endif
1819 if (rename(dbfile, buf[1]) < 0 && errno != ENOENT
1820 #ifdef ENOTDIR
1821 && errno != ENOTDIR
1822 #endif
1823 ) {
1824 BIO_printf(bio_err, "Unable to rename %s to %s\n", dbfile, buf[1]);
1825 perror("reason");
1826 goto err;
1827 }
1828 if (rename(buf[0], dbfile) < 0) {
1829 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[0], dbfile);
1830 perror("reason");
1831 rename(buf[1], dbfile);
1832 goto err;
1833 }
1834 if (rename(buf[4], buf[3]) < 0 && errno != ENOENT
1835 #ifdef ENOTDIR
1836 && errno != ENOTDIR
1837 #endif
1838 ) {
1839 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[4], buf[3]);
1840 perror("reason");
1841 rename(dbfile, buf[0]);
1842 rename(buf[1], dbfile);
1843 goto err;
1844 }
1845 if (rename(buf[2], buf[4]) < 0) {
1846 BIO_printf(bio_err, "Unable to rename %s to %s\n", buf[2], buf[4]);
1847 perror("reason");
1848 rename(buf[3], buf[4]);
1849 rename(dbfile, buf[0]);
1850 rename(buf[1], dbfile);
1851 goto err;
1852 }
1853 return 1;
1854 err:
1855 ERR_print_errors(bio_err);
1856 return 0;
1857 }
1858
1859 void free_index(CA_DB *db)
1860 {
1861 if (db) {
1862 TXT_DB_free(db->db);
1863 OPENSSL_free(db->dbfname);
1864 OPENSSL_free(db);
1865 }
1866 }
1867
1868 int parse_yesno(const char *str, int def)
1869 {
1870 if (str) {
1871 switch (*str) {
1872 case 'f': /* false */
1873 case 'F': /* FALSE */
1874 case 'n': /* no */
1875 case 'N': /* NO */
1876 case '0': /* 0 */
1877 return 0;
1878 case 't': /* true */
1879 case 'T': /* TRUE */
1880 case 'y': /* yes */
1881 case 'Y': /* YES */
1882 case '1': /* 1 */
1883 return 1;
1884 }
1885 }
1886 return def;
1887 }
1888
1889 /*
1890 * name is expected to be in the format /type0=value0/type1=value1/type2=...
1891 * where + can be used instead of / to form multi-valued RDNs if canmulti
1892 * and characters may be escaped by \
1893 */
1894 X509_NAME *parse_name(const char *cp, int chtype, int canmulti,
1895 const char *desc)
1896 {
1897 int nextismulti = 0;
1898 char *work;
1899 X509_NAME *n;
1900
1901 if (*cp++ != '/') {
1902 BIO_printf(bio_err,
1903 "%s: %s name is expected to be in the format "
1904 "/type0=value0/type1=value1/type2=... where characters may "
1905 "be escaped by \\. This name is not in that format: '%s'\n",
1906 opt_getprog(), desc, --cp);
1907 return NULL;
1908 }
1909
1910 n = X509_NAME_new();
1911 if (n == NULL) {
1912 BIO_printf(bio_err, "%s: Out of memory\n", opt_getprog());
1913 return NULL;
1914 }
1915 work = OPENSSL_strdup(cp);
1916 if (work == NULL) {
1917 BIO_printf(bio_err, "%s: Error copying %s name input\n",
1918 opt_getprog(), desc);
1919 goto err;
1920 }
1921
1922 while (*cp != '\0') {
1923 char *bp = work;
1924 char *typestr = bp;
1925 unsigned char *valstr;
1926 int nid;
1927 int ismulti = nextismulti;
1928 nextismulti = 0;
1929
1930 /* Collect the type */
1931 while (*cp != '\0' && *cp != '=')
1932 *bp++ = *cp++;
1933 *bp++ = '\0';
1934 if (*cp == '\0') {
1935 BIO_printf(bio_err,
1936 "%s: Missing '=' after RDN type string '%s' in %s name string\n",
1937 opt_getprog(), typestr, desc);
1938 goto err;
1939 }
1940 ++cp;
1941
1942 /* Collect the value. */
1943 valstr = (unsigned char *)bp;
1944 for (; *cp != '\0' && *cp != '/'; *bp++ = *cp++) {
1945 /* unescaped '+' symbol string signals further member of multiRDN */
1946 if (canmulti && *cp == '+') {
1947 nextismulti = 1;
1948 break;
1949 }
1950 if (*cp == '\\' && *++cp == '\0') {
1951 BIO_printf(bio_err,
1952 "%s: Escape character at end of %s name string\n",
1953 opt_getprog(), desc);
1954 goto err;
1955 }
1956 }
1957 *bp++ = '\0';
1958
1959 /* If not at EOS (must be + or /), move forward. */
1960 if (*cp != '\0')
1961 ++cp;
1962
1963 /* Parse */
1964 nid = OBJ_txt2nid(typestr);
1965 if (nid == NID_undef) {
1966 BIO_printf(bio_err,
1967 "%s: Skipping unknown %s name attribute \"%s\"\n",
1968 opt_getprog(), desc, typestr);
1969 if (ismulti)
1970 BIO_printf(bio_err,
1971 "Hint: a '+' in a value string needs be escaped using '\\' else a new member of a multi-valued RDN is expected\n");
1972 continue;
1973 }
1974 if (*valstr == '\0') {
1975 BIO_printf(bio_err,
1976 "%s: No value provided for %s name attribute \"%s\", skipped\n",
1977 opt_getprog(), desc, typestr);
1978 continue;
1979 }
1980 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1981 valstr, strlen((char *)valstr),
1982 -1, ismulti ? -1 : 0)) {
1983 ERR_print_errors(bio_err);
1984 BIO_printf(bio_err,
1985 "%s: Error adding %s name attribute \"/%s=%s\"\n",
1986 opt_getprog(), desc, typestr ,valstr);
1987 goto err;
1988 }
1989 }
1990
1991 OPENSSL_free(work);
1992 return n;
1993
1994 err:
1995 X509_NAME_free(n);
1996 OPENSSL_free(work);
1997 return NULL;
1998 }
1999
2000 /*
2001 * Read whole contents of a BIO into an allocated memory buffer and return
2002 * it.
2003 */
2004
2005 int bio_to_mem(unsigned char **out, int maxlen, BIO *in)
2006 {
2007 BIO *mem;
2008 int len, ret;
2009 unsigned char tbuf[1024];
2010
2011 mem = BIO_new(BIO_s_mem());
2012 if (mem == NULL)
2013 return -1;
2014 for (;;) {
2015 if ((maxlen != -1) && maxlen < 1024)
2016 len = maxlen;
2017 else
2018 len = 1024;
2019 len = BIO_read(in, tbuf, len);
2020 if (len < 0) {
2021 BIO_free(mem);
2022 return -1;
2023 }
2024 if (len == 0)
2025 break;
2026 if (BIO_write(mem, tbuf, len) != len) {
2027 BIO_free(mem);
2028 return -1;
2029 }
2030 maxlen -= len;
2031
2032 if (maxlen == 0)
2033 break;
2034 }
2035 ret = BIO_get_mem_data(mem, (char **)out);
2036 BIO_set_flags(mem, BIO_FLAGS_MEM_RDONLY);
2037 BIO_free(mem);
2038 return ret;
2039 }
2040
2041 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value)
2042 {
2043 int rv = 0;
2044 char *stmp, *vtmp = NULL;
2045
2046 stmp = OPENSSL_strdup(value);
2047 if (stmp == NULL)
2048 return -1;
2049 vtmp = strchr(stmp, ':');
2050 if (vtmp == NULL)
2051 goto err;
2052
2053 *vtmp = 0;
2054 vtmp++;
2055 rv = EVP_PKEY_CTX_ctrl_str(ctx, stmp, vtmp);
2056
2057 err:
2058 OPENSSL_free(stmp);
2059 return rv;
2060 }
2061
2062 static void nodes_print(const char *name, STACK_OF(X509_POLICY_NODE) *nodes)
2063 {
2064 X509_POLICY_NODE *node;
2065 int i;
2066
2067 BIO_printf(bio_err, "%s Policies:", name);
2068 if (nodes) {
2069 BIO_puts(bio_err, "\n");
2070 for (i = 0; i < sk_X509_POLICY_NODE_num(nodes); i++) {
2071 node = sk_X509_POLICY_NODE_value(nodes, i);
2072 X509_POLICY_NODE_print(bio_err, node, 2);
2073 }
2074 } else {
2075 BIO_puts(bio_err, " <empty>\n");
2076 }
2077 }
2078
2079 void policies_print(X509_STORE_CTX *ctx)
2080 {
2081 X509_POLICY_TREE *tree;
2082 int explicit_policy;
2083 tree = X509_STORE_CTX_get0_policy_tree(ctx);
2084 explicit_policy = X509_STORE_CTX_get_explicit_policy(ctx);
2085
2086 BIO_printf(bio_err, "Require explicit Policy: %s\n",
2087 explicit_policy ? "True" : "False");
2088
2089 nodes_print("Authority", X509_policy_tree_get0_policies(tree));
2090 nodes_print("User", X509_policy_tree_get0_user_policies(tree));
2091 }
2092
2093 /*-
2094 * next_protos_parse parses a comma separated list of strings into a string
2095 * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
2096 * outlen: (output) set to the length of the resulting buffer on success.
2097 * err: (maybe NULL) on failure, an error message line is written to this BIO.
2098 * in: a NUL terminated string like "abc,def,ghi"
2099 *
2100 * returns: a malloc'd buffer or NULL on failure.
2101 */
2102 unsigned char *next_protos_parse(size_t *outlen, const char *in)
2103 {
2104 size_t len;
2105 unsigned char *out;
2106 size_t i, start = 0;
2107 size_t skipped = 0;
2108
2109 len = strlen(in);
2110 if (len == 0 || len >= 65535)
2111 return NULL;
2112
2113 out = app_malloc(len + 1, "NPN buffer");
2114 for (i = 0; i <= len; ++i) {
2115 if (i == len || in[i] == ',') {
2116 /*
2117 * Zero-length ALPN elements are invalid on the wire, we could be
2118 * strict and reject the entire string, but just ignoring extra
2119 * commas seems harmless and more friendly.
2120 *
2121 * Every comma we skip in this way puts the input buffer another
2122 * byte ahead of the output buffer, so all stores into the output
2123 * buffer need to be decremented by the number commas skipped.
2124 */
2125 if (i == start) {
2126 ++start;
2127 ++skipped;
2128 continue;
2129 }
2130 if (i - start > 255) {
2131 OPENSSL_free(out);
2132 return NULL;
2133 }
2134 out[start-skipped] = (unsigned char)(i - start);
2135 start = i + 1;
2136 } else {
2137 out[i + 1 - skipped] = in[i];
2138 }
2139 }
2140
2141 if (len <= skipped) {
2142 OPENSSL_free(out);
2143 return NULL;
2144 }
2145
2146 *outlen = len + 1 - skipped;
2147 return out;
2148 }
2149
2150 void print_cert_checks(BIO *bio, X509 *x,
2151 const char *checkhost,
2152 const char *checkemail, const char *checkip)
2153 {
2154 if (x == NULL)
2155 return;
2156 if (checkhost) {
2157 BIO_printf(bio, "Hostname %s does%s match certificate\n",
2158 checkhost,
2159 X509_check_host(x, checkhost, 0, 0, NULL) == 1
2160 ? "" : " NOT");
2161 }
2162
2163 if (checkemail) {
2164 BIO_printf(bio, "Email %s does%s match certificate\n",
2165 checkemail, X509_check_email(x, checkemail, 0, 0)
2166 ? "" : " NOT");
2167 }
2168
2169 if (checkip) {
2170 BIO_printf(bio, "IP %s does%s match certificate\n",
2171 checkip, X509_check_ip_asc(x, checkip, 0) ? "" : " NOT");
2172 }
2173 }
2174
2175 static int do_pkey_ctx_init(EVP_PKEY_CTX *pkctx, 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 (pkey_ctrl_string(pkctx, 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
2194 static int do_x509_init(X509 *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_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
2213 static int do_x509_req_init(X509_REQ *x, STACK_OF(OPENSSL_STRING) *opts)
2214 {
2215 int i;
2216
2217 if (opts == NULL)
2218 return 1;
2219
2220 for (i = 0; i < sk_OPENSSL_STRING_num(opts); i++) {
2221 char *opt = sk_OPENSSL_STRING_value(opts, i);
2222 if (x509_req_ctrl_string(x, opt) <= 0) {
2223 BIO_printf(bio_err, "parameter error \"%s\"\n", opt);
2224 ERR_print_errors(bio_err);
2225 return 0;
2226 }
2227 }
2228
2229 return 1;
2230 }
2231
2232 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
2233 const char *md, STACK_OF(OPENSSL_STRING) *sigopts)
2234 {
2235 EVP_PKEY_CTX *pkctx = NULL;
2236 char def_md[80];
2237
2238 if (ctx == NULL)
2239 return 0;
2240 /*
2241 * EVP_PKEY_get_default_digest_name() returns 2 if the digest is mandatory
2242 * for this algorithm.
2243 */
2244 if (EVP_PKEY_get_default_digest_name(pkey, def_md, sizeof(def_md)) == 2
2245 && strcmp(def_md, "UNDEF") == 0) {
2246 /* The signing algorithm requires there to be no digest */
2247 md = NULL;
2248 }
2249
2250 return EVP_DigestSignInit_ex(ctx, &pkctx, md, app_get0_libctx(),
2251 app_get0_propq(), pkey, NULL)
2252 && do_pkey_ctx_init(pkctx, sigopts);
2253 }
2254
2255 static int adapt_keyid_ext(X509 *cert, X509V3_CTX *ext_ctx,
2256 const char *name, const char *value, int add_default)
2257 {
2258 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2259 X509_EXTENSION *new_ext = X509V3_EXT_nconf(NULL, ext_ctx, name, value);
2260 int idx, rv = 0;
2261
2262 if (new_ext == NULL)
2263 return rv;
2264
2265 idx = X509v3_get_ext_by_OBJ(exts, X509_EXTENSION_get_object(new_ext), -1);
2266 if (idx >= 0) {
2267 X509_EXTENSION *found_ext = X509v3_get_ext(exts, idx);
2268 ASN1_OCTET_STRING *data = X509_EXTENSION_get_data(found_ext);
2269 int disabled = ASN1_STRING_length(data) <= 2; /* config said "none" */
2270
2271 if (disabled) {
2272 X509_delete_ext(cert, idx);
2273 X509_EXTENSION_free(found_ext);
2274 } /* else keep existing key identifier, which might be outdated */
2275 rv = 1;
2276 } else {
2277 rv = !add_default || X509_add_ext(cert, new_ext, -1);
2278 }
2279 X509_EXTENSION_free(new_ext);
2280 return rv;
2281 }
2282
2283 /* Ensure RFC 5280 compliance, adapt keyIDs as needed, and sign the cert info */
2284 int do_X509_sign(X509 *cert, EVP_PKEY *pkey, const char *md,
2285 STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx)
2286 {
2287 const STACK_OF(X509_EXTENSION) *exts = X509_get0_extensions(cert);
2288 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2289 int self_sign;
2290 int rv = 0;
2291
2292 if (sk_X509_EXTENSION_num(exts /* may be NULL */) > 0) {
2293 /* Prevent X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3 */
2294 if (!X509_set_version(cert, X509_VERSION_3))
2295 goto end;
2296
2297 /*
2298 * Add default SKID before such that default AKID can make use of it
2299 * in case the certificate is self-signed
2300 */
2301 /* Prevent X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER */
2302 if (!adapt_keyid_ext(cert, ext_ctx, "subjectKeyIdentifier", "hash", 1))
2303 goto end;
2304 /* Prevent X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER */
2305 ERR_set_mark();
2306 self_sign = X509_check_private_key(cert, pkey);
2307 ERR_pop_to_mark();
2308 if (!adapt_keyid_ext(cert, ext_ctx, "authorityKeyIdentifier",
2309 "keyid, issuer", !self_sign))
2310 goto end;
2311 }
2312
2313 if (mctx != NULL && do_sign_init(mctx, pkey, md, sigopts) > 0)
2314 rv = (X509_sign_ctx(cert, mctx) > 0);
2315 end:
2316 EVP_MD_CTX_free(mctx);
2317 return rv;
2318 }
2319
2320 /* Sign the certificate request info */
2321 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
2322 STACK_OF(OPENSSL_STRING) *sigopts)
2323 {
2324 int rv = 0;
2325 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2326
2327 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2328 rv = (X509_REQ_sign_ctx(x, mctx) > 0);
2329 EVP_MD_CTX_free(mctx);
2330 return rv;
2331 }
2332
2333 /* Sign the CRL info */
2334 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
2335 STACK_OF(OPENSSL_STRING) *sigopts)
2336 {
2337 int rv = 0;
2338 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
2339
2340 if (do_sign_init(mctx, pkey, md, sigopts) > 0)
2341 rv = (X509_CRL_sign_ctx(x, mctx) > 0);
2342 EVP_MD_CTX_free(mctx);
2343 return rv;
2344 }
2345
2346 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts)
2347 {
2348 int rv = 0;
2349
2350 if (do_x509_init(x, vfyopts) > 0)
2351 rv = (X509_verify(x, pkey) > 0);
2352 return rv;
2353 }
2354
2355 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
2356 STACK_OF(OPENSSL_STRING) *vfyopts)
2357 {
2358 int rv = 0;
2359
2360 if (do_x509_req_init(x, vfyopts) > 0)
2361 rv = (X509_REQ_verify_ex(x, pkey,
2362 app_get0_libctx(), app_get0_propq()) > 0);
2363 return rv;
2364 }
2365
2366 /* Get first http URL from a DIST_POINT structure */
2367
2368 static const char *get_dp_url(DIST_POINT *dp)
2369 {
2370 GENERAL_NAMES *gens;
2371 GENERAL_NAME *gen;
2372 int i, gtype;
2373 ASN1_STRING *uri;
2374 if (!dp->distpoint || dp->distpoint->type != 0)
2375 return NULL;
2376 gens = dp->distpoint->name.fullname;
2377 for (i = 0; i < sk_GENERAL_NAME_num(gens); i++) {
2378 gen = sk_GENERAL_NAME_value(gens, i);
2379 uri = GENERAL_NAME_get0_value(gen, &gtype);
2380 if (gtype == GEN_URI && ASN1_STRING_length(uri) > 6) {
2381 const char *uptr = (const char *)ASN1_STRING_get0_data(uri);
2382
2383 if (IS_HTTP(uptr)) /* can/should not use HTTPS here */
2384 return uptr;
2385 }
2386 }
2387 return NULL;
2388 }
2389
2390 /*
2391 * Look through a CRLDP structure and attempt to find an http URL to
2392 * downloads a CRL from.
2393 */
2394
2395 static X509_CRL *load_crl_crldp(STACK_OF(DIST_POINT) *crldp)
2396 {
2397 int i;
2398 const char *urlptr = NULL;
2399 for (i = 0; i < sk_DIST_POINT_num(crldp); i++) {
2400 DIST_POINT *dp = sk_DIST_POINT_value(crldp, i);
2401 urlptr = get_dp_url(dp);
2402 if (urlptr != NULL)
2403 return load_crl(urlptr, FORMAT_UNDEF, 0, "CRL via CDP");
2404 }
2405 return NULL;
2406 }
2407
2408 /*
2409 * Example of downloading CRLs from CRLDP:
2410 * not usable for real world as it always downloads and doesn't cache anything.
2411 */
2412
2413 static STACK_OF(X509_CRL) *crls_http_cb(const X509_STORE_CTX *ctx,
2414 const X509_NAME *nm)
2415 {
2416 X509 *x;
2417 STACK_OF(X509_CRL) *crls = NULL;
2418 X509_CRL *crl;
2419 STACK_OF(DIST_POINT) *crldp;
2420
2421 crls = sk_X509_CRL_new_null();
2422 if (!crls)
2423 return NULL;
2424 x = X509_STORE_CTX_get_current_cert(ctx);
2425 crldp = X509_get_ext_d2i(x, NID_crl_distribution_points, NULL, NULL);
2426 crl = load_crl_crldp(crldp);
2427 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2428 if (!crl) {
2429 sk_X509_CRL_free(crls);
2430 return NULL;
2431 }
2432 sk_X509_CRL_push(crls, crl);
2433 /* Try to download delta CRL */
2434 crldp = X509_get_ext_d2i(x, NID_freshest_crl, NULL, NULL);
2435 crl = load_crl_crldp(crldp);
2436 sk_DIST_POINT_pop_free(crldp, DIST_POINT_free);
2437 if (crl)
2438 sk_X509_CRL_push(crls, crl);
2439 return crls;
2440 }
2441
2442 void store_setup_crl_download(X509_STORE *st)
2443 {
2444 X509_STORE_set_lookup_crls_cb(st, crls_http_cb);
2445 }
2446
2447 #ifndef OPENSSL_NO_SOCK
2448 static const char *tls_error_hint(void)
2449 {
2450 unsigned long err = ERR_peek_error();
2451
2452 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2453 err = ERR_peek_last_error();
2454 if (ERR_GET_LIB(err) != ERR_LIB_SSL)
2455 return NULL;
2456
2457 switch (ERR_GET_REASON(err)) {
2458 case SSL_R_WRONG_VERSION_NUMBER:
2459 return "The server does not support (a suitable version of) TLS";
2460 case SSL_R_UNKNOWN_PROTOCOL:
2461 return "The server does not support HTTPS";
2462 case SSL_R_CERTIFICATE_VERIFY_FAILED:
2463 return "Cannot authenticate server via its TLS certificate, likely due to mismatch with our trusted TLS certs or missing revocation status";
2464 case SSL_AD_REASON_OFFSET + TLS1_AD_UNKNOWN_CA:
2465 return "Server did not accept our TLS certificate, likely due to mismatch with server's trust anchor or missing revocation status";
2466 case SSL_AD_REASON_OFFSET + SSL3_AD_HANDSHAKE_FAILURE:
2467 return "TLS handshake failure. Possibly the server requires our TLS certificate but did not receive it";
2468 default: /* no error or no hint available for error */
2469 return NULL;
2470 }
2471 }
2472
2473 /* HTTP callback function that supports TLS connection also via HTTPS proxy */
2474 BIO *app_http_tls_cb(BIO *hbio, void *arg, int connect, int detail)
2475 {
2476 if (connect && detail) { /* connecting with TLS */
2477 APP_HTTP_TLS_INFO *info = (APP_HTTP_TLS_INFO *)arg;
2478 SSL_CTX *ssl_ctx = info->ssl_ctx;
2479 SSL *ssl;
2480 BIO *sbio = NULL;
2481
2482 if ((info->use_proxy
2483 && !OSSL_HTTP_proxy_connect(hbio, info->server, info->port,
2484 NULL, NULL, /* no proxy credentials */
2485 info->timeout, bio_err, opt_getprog()))
2486 || (sbio = BIO_new(BIO_f_ssl())) == NULL) {
2487 return NULL;
2488 }
2489 if (ssl_ctx == NULL || (ssl = SSL_new(ssl_ctx)) == NULL) {
2490 BIO_free(sbio);
2491 return NULL;
2492 }
2493
2494 SSL_set_tlsext_host_name(ssl, info->server);
2495
2496 SSL_set_connect_state(ssl);
2497 BIO_set_ssl(sbio, ssl, BIO_CLOSE);
2498
2499 hbio = BIO_push(sbio, hbio);
2500 } else if (!connect && !detail) { /* disconnecting after error */
2501 const char *hint = tls_error_hint();
2502
2503 if (hint != NULL)
2504 ERR_add_error_data(2, " : ", hint);
2505 /*
2506 * If we pop sbio and BIO_free() it this may lead to libssl double free.
2507 * Rely on BIO_free_all() done by OSSL_HTTP_transfer() in http_client.c
2508 */
2509 }
2510 return hbio;
2511 }
2512
2513 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info)
2514 {
2515 if (info != NULL) {
2516 SSL_CTX_free(info->ssl_ctx);
2517 OPENSSL_free(info);
2518 }
2519 }
2520
2521 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
2522 const char *no_proxy, SSL_CTX *ssl_ctx,
2523 const STACK_OF(CONF_VALUE) *headers,
2524 long timeout, const char *expected_content_type,
2525 const ASN1_ITEM *it)
2526 {
2527 APP_HTTP_TLS_INFO info;
2528 char *server;
2529 char *port;
2530 int use_ssl;
2531 BIO *mem;
2532 ASN1_VALUE *resp = NULL;
2533
2534 if (url == NULL || it == NULL) {
2535 ERR_raise(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER);
2536 return NULL;
2537 }
2538
2539 if (!OSSL_HTTP_parse_url(url, &use_ssl, NULL /* userinfo */, &server, &port,
2540 NULL /* port_num, */, NULL, NULL, NULL))
2541 return NULL;
2542 if (use_ssl && ssl_ctx == NULL) {
2543 ERR_raise_data(ERR_LIB_HTTP, ERR_R_PASSED_NULL_PARAMETER,
2544 "missing SSL_CTX");
2545 goto end;
2546 }
2547
2548 info.server = server;
2549 info.port = port;
2550 info.use_proxy = proxy != NULL;
2551 info.timeout = timeout;
2552 info.ssl_ctx = ssl_ctx;
2553 mem = OSSL_HTTP_get(url, proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2554 app_http_tls_cb, &info, 0 /* buf_size */, headers,
2555 expected_content_type, 1 /* expect_asn1 */,
2556 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout);
2557 resp = ASN1_item_d2i_bio(it, mem, NULL);
2558 BIO_free(mem);
2559
2560 end:
2561 OPENSSL_free(server);
2562 OPENSSL_free(port);
2563 return resp;
2564
2565 }
2566
2567 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
2568 const char *path, const char *proxy,
2569 const char *no_proxy, SSL_CTX *ssl_ctx,
2570 const STACK_OF(CONF_VALUE) *headers,
2571 const char *content_type,
2572 ASN1_VALUE *req, const ASN1_ITEM *req_it,
2573 const char *expected_content_type,
2574 long timeout, const ASN1_ITEM *rsp_it)
2575 {
2576 APP_HTTP_TLS_INFO info;
2577 BIO *rsp, *req_mem = ASN1_item_i2d_mem_bio(req_it, req);
2578 ASN1_VALUE *res;
2579
2580 if (req_mem == NULL)
2581 return NULL;
2582 info.server = host;
2583 info.port = port;
2584 info.use_proxy = proxy != NULL;
2585 info.timeout = timeout;
2586 info.ssl_ctx = ssl_ctx;
2587 rsp = OSSL_HTTP_transfer(NULL, host, port, path, ssl_ctx != NULL,
2588 proxy, no_proxy, NULL /* bio */, NULL /* rbio */,
2589 app_http_tls_cb, &info,
2590 0 /* buf_size */, headers, content_type, req_mem,
2591 expected_content_type, 1 /* expect_asn1 */,
2592 OSSL_HTTP_DEFAULT_MAX_RESP_LEN, timeout,
2593 0 /* keep_alive */);
2594 BIO_free(req_mem);
2595 res = ASN1_item_d2i_bio(rsp_it, rsp, NULL);
2596 BIO_free(rsp);
2597 return res;
2598 }
2599
2600 #endif
2601
2602 /*
2603 * Platform-specific sections
2604 */
2605 #if defined(_WIN32)
2606 # ifdef fileno
2607 # undef fileno
2608 # define fileno(a) (int)_fileno(a)
2609 # endif
2610
2611 # include <windows.h>
2612 # include <tchar.h>
2613
2614 static int WIN32_rename(const char *from, const char *to)
2615 {
2616 TCHAR *tfrom = NULL, *tto;
2617 DWORD err;
2618 int ret = 0;
2619
2620 if (sizeof(TCHAR) == 1) {
2621 tfrom = (TCHAR *)from;
2622 tto = (TCHAR *)to;
2623 } else { /* UNICODE path */
2624
2625 size_t i, flen = strlen(from) + 1, tlen = strlen(to) + 1;
2626 tfrom = malloc(sizeof(*tfrom) * (flen + tlen));
2627 if (tfrom == NULL)
2628 goto err;
2629 tto = tfrom + flen;
2630 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2631 if (!MultiByteToWideChar(CP_ACP, 0, from, flen, (WCHAR *)tfrom, flen))
2632 # endif
2633 for (i = 0; i < flen; i++)
2634 tfrom[i] = (TCHAR)from[i];
2635 # if !defined(_WIN32_WCE) || _WIN32_WCE>=101
2636 if (!MultiByteToWideChar(CP_ACP, 0, to, tlen, (WCHAR *)tto, tlen))
2637 # endif
2638 for (i = 0; i < tlen; i++)
2639 tto[i] = (TCHAR)to[i];
2640 }
2641
2642 if (MoveFile(tfrom, tto))
2643 goto ok;
2644 err = GetLastError();
2645 if (err == ERROR_ALREADY_EXISTS || err == ERROR_FILE_EXISTS) {
2646 if (DeleteFile(tto) && MoveFile(tfrom, tto))
2647 goto ok;
2648 err = GetLastError();
2649 }
2650 if (err == ERROR_FILE_NOT_FOUND || err == ERROR_PATH_NOT_FOUND)
2651 errno = ENOENT;
2652 else if (err == ERROR_ACCESS_DENIED)
2653 errno = EACCES;
2654 else
2655 errno = EINVAL; /* we could map more codes... */
2656 err:
2657 ret = -1;
2658 ok:
2659 if (tfrom != NULL && tfrom != (TCHAR *)from)
2660 free(tfrom);
2661 return ret;
2662 }
2663 #endif
2664
2665 /* app_tminterval section */
2666 #if defined(_WIN32)
2667 double app_tminterval(int stop, int usertime)
2668 {
2669 FILETIME now;
2670 double ret = 0;
2671 static ULARGE_INTEGER tmstart;
2672 static int warning = 1;
2673 # ifdef _WIN32_WINNT
2674 static HANDLE proc = NULL;
2675
2676 if (proc == NULL) {
2677 if (check_winnt())
2678 proc = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
2679 GetCurrentProcessId());
2680 if (proc == NULL)
2681 proc = (HANDLE) - 1;
2682 }
2683
2684 if (usertime && proc != (HANDLE) - 1) {
2685 FILETIME junk;
2686 GetProcessTimes(proc, &junk, &junk, &junk, &now);
2687 } else
2688 # endif
2689 {
2690 SYSTEMTIME systime;
2691
2692 if (usertime && warning) {
2693 BIO_printf(bio_err, "To get meaningful results, run "
2694 "this program on idle system.\n");
2695 warning = 0;
2696 }
2697 GetSystemTime(&systime);
2698 SystemTimeToFileTime(&systime, &now);
2699 }
2700
2701 if (stop == TM_START) {
2702 tmstart.u.LowPart = now.dwLowDateTime;
2703 tmstart.u.HighPart = now.dwHighDateTime;
2704 } else {
2705 ULARGE_INTEGER tmstop;
2706
2707 tmstop.u.LowPart = now.dwLowDateTime;
2708 tmstop.u.HighPart = now.dwHighDateTime;
2709
2710 ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart) * 1e-7;
2711 }
2712
2713 return ret;
2714 }
2715 #elif defined(OPENSSL_SYS_VXWORKS)
2716 # include <time.h>
2717
2718 double app_tminterval(int stop, int usertime)
2719 {
2720 double ret = 0;
2721 # ifdef CLOCK_REALTIME
2722 static struct timespec tmstart;
2723 struct timespec now;
2724 # else
2725 static unsigned long tmstart;
2726 unsigned long now;
2727 # endif
2728 static int warning = 1;
2729
2730 if (usertime && warning) {
2731 BIO_printf(bio_err, "To get meaningful results, run "
2732 "this program on idle system.\n");
2733 warning = 0;
2734 }
2735 # ifdef CLOCK_REALTIME
2736 clock_gettime(CLOCK_REALTIME, &now);
2737 if (stop == TM_START)
2738 tmstart = now;
2739 else
2740 ret = ((now.tv_sec + now.tv_nsec * 1e-9)
2741 - (tmstart.tv_sec + tmstart.tv_nsec * 1e-9));
2742 # else
2743 now = tickGet();
2744 if (stop == TM_START)
2745 tmstart = now;
2746 else
2747 ret = (now - tmstart) / (double)sysClkRateGet();
2748 # endif
2749 return ret;
2750 }
2751
2752 #elif defined(_SC_CLK_TCK) /* by means of unistd.h */
2753 # include <sys/times.h>
2754
2755 double app_tminterval(int stop, int usertime)
2756 {
2757 double ret = 0;
2758 struct tms rus;
2759 clock_t now = times(&rus);
2760 static clock_t tmstart;
2761
2762 if (usertime)
2763 now = rus.tms_utime;
2764
2765 if (stop == TM_START) {
2766 tmstart = now;
2767 } else {
2768 long int tck = sysconf(_SC_CLK_TCK);
2769 ret = (now - tmstart) / (double)tck;
2770 }
2771
2772 return ret;
2773 }
2774
2775 #else
2776 # include <sys/time.h>
2777 # include <sys/resource.h>
2778
2779 double app_tminterval(int stop, int usertime)
2780 {
2781 double ret = 0;
2782 struct rusage rus;
2783 struct timeval now;
2784 static struct timeval tmstart;
2785
2786 if (usertime)
2787 getrusage(RUSAGE_SELF, &rus), now = rus.ru_utime;
2788 else
2789 gettimeofday(&now, NULL);
2790
2791 if (stop == TM_START)
2792 tmstart = now;
2793 else
2794 ret = ((now.tv_sec + now.tv_usec * 1e-6)
2795 - (tmstart.tv_sec + tmstart.tv_usec * 1e-6));
2796
2797 return ret;
2798 }
2799 #endif
2800
2801 int app_access(const char* name, int flag)
2802 {
2803 #ifdef _WIN32
2804 return _access(name, flag);
2805 #else
2806 return access(name, flag);
2807 #endif
2808 }
2809
2810 int app_isdir(const char *name)
2811 {
2812 return opt_isdir(name);
2813 }
2814
2815 /* raw_read|write section */
2816 #if defined(__VMS)
2817 # include "vms_term_sock.h"
2818 static int stdin_sock = -1;
2819
2820 static void close_stdin_sock(void)
2821 {
2822 TerminalSocket (TERM_SOCK_DELETE, &stdin_sock);
2823 }
2824
2825 int fileno_stdin(void)
2826 {
2827 if (stdin_sock == -1) {
2828 TerminalSocket(TERM_SOCK_CREATE, &stdin_sock);
2829 atexit(close_stdin_sock);
2830 }
2831
2832 return stdin_sock;
2833 }
2834 #else
2835 int fileno_stdin(void)
2836 {
2837 return fileno(stdin);
2838 }
2839 #endif
2840
2841 int fileno_stdout(void)
2842 {
2843 return fileno(stdout);
2844 }
2845
2846 #if defined(_WIN32) && defined(STD_INPUT_HANDLE)
2847 int raw_read_stdin(void *buf, int siz)
2848 {
2849 DWORD n;
2850 if (ReadFile(GetStdHandle(STD_INPUT_HANDLE), buf, siz, &n, NULL))
2851 return n;
2852 else
2853 return -1;
2854 }
2855 #elif defined(__VMS)
2856 # include <sys/socket.h>
2857
2858 int raw_read_stdin(void *buf, int siz)
2859 {
2860 return recv(fileno_stdin(), buf, siz, 0);
2861 }
2862 #else
2863 # if defined(__TANDEM)
2864 # if defined(OPENSSL_TANDEM_FLOSS)
2865 # include <floss.h(floss_read)>
2866 # endif
2867 # endif
2868 int raw_read_stdin(void *buf, int siz)
2869 {
2870 return read(fileno_stdin(), buf, siz);
2871 }
2872 #endif
2873
2874 #if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
2875 int raw_write_stdout(const void *buf, int siz)
2876 {
2877 DWORD n;
2878 if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buf, siz, &n, NULL))
2879 return n;
2880 else
2881 return -1;
2882 }
2883 #elif defined(OPENSSL_SYS_TANDEM) && defined(OPENSSL_THREADS) && defined(_SPT_MODEL_)
2884 # if defined(__TANDEM)
2885 # if defined(OPENSSL_TANDEM_FLOSS)
2886 # include <floss.h(floss_write)>
2887 # endif
2888 # endif
2889 int raw_write_stdout(const void *buf,int siz)
2890 {
2891 return write(fileno(stdout),(void*)buf,siz);
2892 }
2893 #else
2894 # if defined(__TANDEM)
2895 # if defined(OPENSSL_TANDEM_FLOSS)
2896 # include <floss.h(floss_write)>
2897 # endif
2898 # endif
2899 int raw_write_stdout(const void *buf, int siz)
2900 {
2901 return write(fileno_stdout(), buf, siz);
2902 }
2903 #endif
2904
2905 /*
2906 * Centralized handling of input and output files with format specification
2907 * The format is meant to show what the input and output is supposed to be,
2908 * and is therefore a show of intent more than anything else. However, it
2909 * does impact behavior on some platforms, such as differentiating between
2910 * text and binary input/output on non-Unix platforms
2911 */
2912 BIO *dup_bio_in(int format)
2913 {
2914 return BIO_new_fp(stdin,
2915 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2916 }
2917
2918 BIO *dup_bio_out(int format)
2919 {
2920 BIO *b = BIO_new_fp(stdout,
2921 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2922 void *prefix = NULL;
2923
2924 #ifdef OPENSSL_SYS_VMS
2925 if (FMT_istext(format))
2926 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2927 #endif
2928
2929 if (FMT_istext(format)
2930 && (prefix = getenv("HARNESS_OSSL_PREFIX")) != NULL) {
2931 b = BIO_push(BIO_new(BIO_f_prefix()), b);
2932 BIO_set_prefix(b, prefix);
2933 }
2934
2935 return b;
2936 }
2937
2938 BIO *dup_bio_err(int format)
2939 {
2940 BIO *b = BIO_new_fp(stderr,
2941 BIO_NOCLOSE | (FMT_istext(format) ? BIO_FP_TEXT : 0));
2942 #ifdef OPENSSL_SYS_VMS
2943 if (FMT_istext(format))
2944 b = BIO_push(BIO_new(BIO_f_linebuffer()), b);
2945 #endif
2946 return b;
2947 }
2948
2949 void unbuffer(FILE *fp)
2950 {
2951 /*
2952 * On VMS, setbuf() will only take 32-bit pointers, and a compilation
2953 * with /POINTER_SIZE=64 will give off a MAYLOSEDATA2 warning here.
2954 * However, we trust that the C RTL will never give us a FILE pointer
2955 * above the first 4 GB of memory, so we simply turn off the warning
2956 * temporarily.
2957 */
2958 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2959 # pragma environment save
2960 # pragma message disable maylosedata2
2961 #endif
2962 setbuf(fp, NULL);
2963 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
2964 # pragma environment restore
2965 #endif
2966 }
2967
2968 static const char *modestr(char mode, int format)
2969 {
2970 OPENSSL_assert(mode == 'a' || mode == 'r' || mode == 'w');
2971
2972 switch (mode) {
2973 case 'a':
2974 return FMT_istext(format) ? "a" : "ab";
2975 case 'r':
2976 return FMT_istext(format) ? "r" : "rb";
2977 case 'w':
2978 return FMT_istext(format) ? "w" : "wb";
2979 }
2980 /* The assert above should make sure we never reach this point */
2981 return NULL;
2982 }
2983
2984 static const char *modeverb(char mode)
2985 {
2986 switch (mode) {
2987 case 'a':
2988 return "appending";
2989 case 'r':
2990 return "reading";
2991 case 'w':
2992 return "writing";
2993 }
2994 return "(doing something)";
2995 }
2996
2997 /*
2998 * Open a file for writing, owner-read-only.
2999 */
3000 BIO *bio_open_owner(const char *filename, int format, int private)
3001 {
3002 FILE *fp = NULL;
3003 BIO *b = NULL;
3004 int fd = -1, bflags, mode, textmode;
3005
3006 if (!private || filename == NULL || strcmp(filename, "-") == 0)
3007 return bio_open_default(filename, 'w', format);
3008
3009 mode = O_WRONLY;
3010 #ifdef O_CREAT
3011 mode |= O_CREAT;
3012 #endif
3013 #ifdef O_TRUNC
3014 mode |= O_TRUNC;
3015 #endif
3016 textmode = FMT_istext(format);
3017 if (!textmode) {
3018 #ifdef O_BINARY
3019 mode |= O_BINARY;
3020 #elif defined(_O_BINARY)
3021 mode |= _O_BINARY;
3022 #endif
3023 }
3024
3025 #ifdef OPENSSL_SYS_VMS
3026 /* VMS doesn't have O_BINARY, it just doesn't make sense. But,
3027 * it still needs to know that we're going binary, or fdopen()
3028 * will fail with "invalid argument"... so we tell VMS what the
3029 * context is.
3030 */
3031 if (!textmode)
3032 fd = open(filename, mode, 0600, "ctx=bin");
3033 else
3034 #endif
3035 fd = open(filename, mode, 0600);
3036 if (fd < 0)
3037 goto err;
3038 fp = fdopen(fd, modestr('w', format));
3039 if (fp == NULL)
3040 goto err;
3041 bflags = BIO_CLOSE;
3042 if (textmode)
3043 bflags |= BIO_FP_TEXT;
3044 b = BIO_new_fp(fp, bflags);
3045 if (b)
3046 return b;
3047
3048 err:
3049 BIO_printf(bio_err, "%s: Can't open \"%s\" for writing, %s\n",
3050 opt_getprog(), filename, strerror(errno));
3051 ERR_print_errors(bio_err);
3052 /* If we have fp, then fdopen took over fd, so don't close both. */
3053 if (fp)
3054 fclose(fp);
3055 else if (fd >= 0)
3056 close(fd);
3057 return NULL;
3058 }
3059
3060 static BIO *bio_open_default_(const char *filename, char mode, int format,
3061 int quiet)
3062 {
3063 BIO *ret;
3064
3065 if (filename == NULL || strcmp(filename, "-") == 0) {
3066 ret = mode == 'r' ? dup_bio_in(format) : dup_bio_out(format);
3067 if (quiet) {
3068 ERR_clear_error();
3069 return ret;
3070 }
3071 if (ret != NULL)
3072 return ret;
3073 BIO_printf(bio_err,
3074 "Can't open %s, %s\n",
3075 mode == 'r' ? "stdin" : "stdout", strerror(errno));
3076 } else {
3077 ret = BIO_new_file(filename, modestr(mode, format));
3078 if (quiet) {
3079 ERR_clear_error();
3080 return ret;
3081 }
3082 if (ret != NULL)
3083 return ret;
3084 BIO_printf(bio_err,
3085 "Can't open \"%s\" for %s, %s\n",
3086 filename, modeverb(mode), strerror(errno));
3087 }
3088 ERR_print_errors(bio_err);
3089 return NULL;
3090 }
3091
3092 BIO *bio_open_default(const char *filename, char mode, int format)
3093 {
3094 return bio_open_default_(filename, mode, format, 0);
3095 }
3096
3097 BIO *bio_open_default_quiet(const char *filename, char mode, int format)
3098 {
3099 return bio_open_default_(filename, mode, format, 1);
3100 }
3101
3102 void wait_for_async(SSL *s)
3103 {
3104 /* On Windows select only works for sockets, so we simply don't wait */
3105 #ifndef OPENSSL_SYS_WINDOWS
3106 int width = 0;
3107 fd_set asyncfds;
3108 OSSL_ASYNC_FD *fds;
3109 size_t numfds;
3110 size_t i;
3111
3112 if (!SSL_get_all_async_fds(s, NULL, &numfds))
3113 return;
3114 if (numfds == 0)
3115 return;
3116 fds = app_malloc(sizeof(OSSL_ASYNC_FD) * numfds, "allocate async fds");
3117 if (!SSL_get_all_async_fds(s, fds, &numfds)) {
3118 OPENSSL_free(fds);
3119 return;
3120 }
3121
3122 FD_ZERO(&asyncfds);
3123 for (i = 0; i < numfds; i++) {
3124 if (width <= (int)fds[i])
3125 width = (int)fds[i] + 1;
3126 openssl_fdset((int)fds[i], &asyncfds);
3127 }
3128 select(width, (void *)&asyncfds, NULL, NULL, NULL);
3129 OPENSSL_free(fds);
3130 #endif
3131 }
3132
3133 /* if OPENSSL_SYS_WINDOWS is defined then so is OPENSSL_SYS_MSDOS */
3134 #if defined(OPENSSL_SYS_MSDOS)
3135 int has_stdin_waiting(void)
3136 {
3137 # if defined(OPENSSL_SYS_WINDOWS)
3138 HANDLE inhand = GetStdHandle(STD_INPUT_HANDLE);
3139 DWORD events = 0;
3140 INPUT_RECORD inputrec;
3141 DWORD insize = 1;
3142 BOOL peeked;
3143
3144 if (inhand == INVALID_HANDLE_VALUE) {
3145 return 0;
3146 }
3147
3148 peeked = PeekConsoleInput(inhand, &inputrec, insize, &events);
3149 if (!peeked) {
3150 /* Probably redirected input? _kbhit() does not work in this case */
3151 if (!feof(stdin)) {
3152 return 1;
3153 }
3154 return 0;
3155 }
3156 # endif
3157 return _kbhit();
3158 }
3159 #endif
3160
3161 /* Corrupt a signature by modifying final byte */
3162 void corrupt_signature(const ASN1_STRING *signature)
3163 {
3164 unsigned char *s = signature->data;
3165 s[signature->length - 1] ^= 0x1;
3166 }
3167
3168 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
3169 int days)
3170 {
3171 if (startdate == NULL || strcmp(startdate, "today") == 0) {
3172 if (X509_gmtime_adj(X509_getm_notBefore(x), 0) == NULL)
3173 return 0;
3174 } else {
3175 if (!ASN1_TIME_set_string_X509(X509_getm_notBefore(x), startdate))
3176 return 0;
3177 }
3178 if (enddate == NULL) {
3179 if (X509_time_adj_ex(X509_getm_notAfter(x), days, 0, NULL)
3180 == NULL)
3181 return 0;
3182 } else if (!ASN1_TIME_set_string_X509(X509_getm_notAfter(x), enddate)) {
3183 return 0;
3184 }
3185 return 1;
3186 }
3187
3188 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate)
3189 {
3190 int ret = 0;
3191 ASN1_TIME *tm = ASN1_TIME_new();
3192
3193 if (tm == NULL)
3194 goto end;
3195
3196 if (lastupdate == NULL) {
3197 if (X509_gmtime_adj(tm, 0) == NULL)
3198 goto end;
3199 } else {
3200 if (!ASN1_TIME_set_string_X509(tm, lastupdate))
3201 goto end;
3202 }
3203
3204 if (!X509_CRL_set1_lastUpdate(crl, tm))
3205 goto end;
3206
3207 ret = 1;
3208 end:
3209 ASN1_TIME_free(tm);
3210 return ret;
3211 }
3212
3213 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
3214 long days, long hours, long secs)
3215 {
3216 int ret = 0;
3217 ASN1_TIME *tm = ASN1_TIME_new();
3218
3219 if (tm == NULL)
3220 goto end;
3221
3222 if (nextupdate == NULL) {
3223 if (X509_time_adj_ex(tm, days, hours * 60 * 60 + secs, NULL) == NULL)
3224 goto end;
3225 } else {
3226 if (!ASN1_TIME_set_string_X509(tm, nextupdate))
3227 goto end;
3228 }
3229
3230 if (!X509_CRL_set1_nextUpdate(crl, tm))
3231 goto end;
3232
3233 ret = 1;
3234 end:
3235 ASN1_TIME_free(tm);
3236 return ret;
3237 }
3238
3239 void make_uppercase(char *string)
3240 {
3241 int i;
3242
3243 for (i = 0; string[i] != '\0'; i++)
3244 string[i] = toupper((unsigned char)string[i]);
3245 }
3246
3247 /* This function is defined here due to visibility of bio_err */
3248 int opt_printf_stderr(const char *fmt, ...)
3249 {
3250 va_list ap;
3251 int ret;
3252
3253 va_start(ap, fmt);
3254 ret = BIO_vprintf(bio_err, fmt, ap);
3255 va_end(ap);
3256 return ret;
3257 }
3258
3259 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
3260 const OSSL_PARAM *paramdefs)
3261 {
3262 OSSL_PARAM *params = NULL;
3263 size_t sz = (size_t)sk_OPENSSL_STRING_num(opts);
3264 size_t params_n;
3265 char *opt = "", *stmp, *vtmp = NULL;
3266 int found = 1;
3267
3268 if (opts == NULL)
3269 return NULL;
3270
3271 params = OPENSSL_zalloc(sizeof(OSSL_PARAM) * (sz + 1));
3272 if (params == NULL)
3273 return NULL;
3274
3275 for (params_n = 0; params_n < sz; params_n++) {
3276 opt = sk_OPENSSL_STRING_value(opts, (int)params_n);
3277 if ((stmp = OPENSSL_strdup(opt)) == NULL
3278 || (vtmp = strchr(stmp, ':')) == NULL)
3279 goto err;
3280 /* Replace ':' with 0 to terminate the string pointed to by stmp */
3281 *vtmp = 0;
3282 /* Skip over the separator so that vmtp points to the value */
3283 vtmp++;
3284 if (!OSSL_PARAM_allocate_from_text(&params[params_n], paramdefs,
3285 stmp, vtmp, strlen(vtmp), &found))
3286 goto err;
3287 OPENSSL_free(stmp);
3288 }
3289 params[params_n] = OSSL_PARAM_construct_end();
3290 return params;
3291 err:
3292 OPENSSL_free(stmp);
3293 BIO_printf(bio_err, "Parameter %s '%s'\n", found ? "error" : "unknown",
3294 opt);
3295 ERR_print_errors(bio_err);
3296 app_params_free(params);
3297 return NULL;
3298 }
3299
3300 void app_params_free(OSSL_PARAM *params)
3301 {
3302 int i;
3303
3304 if (params != NULL) {
3305 for (i = 0; params[i].key != NULL; ++i)
3306 OPENSSL_free(params[i].data);
3307 OPENSSL_free(params);
3308 }
3309 }
3310
3311 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose)
3312 {
3313 EVP_PKEY *res = NULL;
3314
3315 if (verbose && alg != NULL) {
3316 BIO_printf(bio_err, "Generating %s key", alg);
3317 if (bits > 0)
3318 BIO_printf(bio_err, " with %d bits\n", bits);
3319 else
3320 BIO_printf(bio_err, "\n");
3321 }
3322 if (!RAND_status())
3323 BIO_printf(bio_err, "Warning: generating random key material may take a long time\n"
3324 "if the system has a poor entropy source\n");
3325 if (EVP_PKEY_keygen(ctx, &res) <= 0)
3326 app_bail_out("%s: Error generating %s key\n", opt_getprog(),
3327 alg != NULL ? alg : "asymmetric");
3328 return res;
3329 }
3330
3331 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg)
3332 {
3333 EVP_PKEY *res = NULL;
3334
3335 if (!RAND_status())
3336 BIO_printf(bio_err, "Warning: generating random key parameters may take a long time\n"
3337 "if the system has a poor entropy source\n");
3338 if (EVP_PKEY_paramgen(ctx, &res) <= 0)
3339 app_bail_out("%s: Generating %s key parameters failed\n",
3340 opt_getprog(), alg != NULL ? alg : "asymmetric");
3341 return res;
3342 }
A mirror of the official openssl repository