stroke: Load general PKCS#8 private keys
[strongswan.git] / src / libcharon / plugins / stroke / stroke_cred.c
1 /*
2 * Copyright (C) 2008-2015 Tobias Brunner
3 * Copyright (C) 2008 Martin Willi
4 * Hochschule fuer Technik Rapperswil
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2 of the License, or (at your
9 * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 */
16
17 #include <sys/types.h>
18 #include <sys/stat.h>
19 #include <limits.h>
20 #include <fcntl.h>
21 #include <errno.h>
22 #include <unistd.h>
23
24 #ifdef HAVE_GLOB_H
25 #include <glob.h>
26 #endif
27
28 #include "stroke_cred.h"
29
30 #include <credentials/certificates/x509.h>
31 #include <credentials/certificates/crl.h>
32 #include <credentials/certificates/ac.h>
33 #include <credentials/containers/pkcs12.h>
34 #include <credentials/sets/mem_cred.h>
35 #include <credentials/sets/callback_cred.h>
36 #include <collections/linked_list.h>
37 #include <utils/lexparser.h>
38 #include <threading/rwlock.h>
39 #include <daemon.h>
40
41 /* configuration directories and files */
42 #define CONFIG_DIR IPSEC_CONFDIR
43 #define IPSEC_D_DIR CONFIG_DIR "/ipsec.d"
44 #define PRIVATE_KEY_DIR IPSEC_D_DIR "/private"
45 #define CERTIFICATE_DIR IPSEC_D_DIR "/certs"
46 #define CA_CERTIFICATE_DIR IPSEC_D_DIR "/cacerts"
47 #define AA_CERTIFICATE_DIR IPSEC_D_DIR "/aacerts"
48 #define ATTR_CERTIFICATE_DIR IPSEC_D_DIR "/acerts"
49 #define OCSP_CERTIFICATE_DIR IPSEC_D_DIR "/ocspcerts"
50 #define CRL_DIR IPSEC_D_DIR "/crls"
51 #define SECRETS_FILE CONFIG_DIR "/ipsec.secrets"
52
53 #define MAX_SECRETS_RECURSION 10
54
55 typedef struct private_stroke_cred_t private_stroke_cred_t;
56
57 /**
58 * private data of stroke_cred
59 */
60 struct private_stroke_cred_t {
61
62 /**
63 * public functions
64 */
65 stroke_cred_t public;
66
67 /**
68 * secrets file with credential information
69 */
70 char *secrets_file;
71
72 /**
73 * credentials: end entity certs, attribute certs, CRLs, etc.
74 */
75 mem_cred_t *creds;
76
77 /**
78 * Attribute Authority certificates
79 */
80 mem_cred_t *aacerts;
81
82 /**
83 * ignore missing CA basic constraint (i.e. treat all certificates in
84 * ipsec.conf ca sections and ipsec.d/cacerts as CA certificates)
85 */
86 bool force_ca_cert;
87
88 /**
89 * cache CRLs to disk?
90 */
91 bool cachecrl;
92
93 /**
94 * CA certificate store
95 */
96 stroke_ca_t *ca;
97 };
98
99 /** Length of smartcard specifier parts (module, keyid) */
100 #define SC_PART_LEN 128
101
102 /**
103 * Kind of smartcard specifier token
104 */
105 typedef enum {
106 SC_FORMAT_SLOT_MODULE_KEYID,
107 SC_FORMAT_SLOT_KEYID,
108 SC_FORMAT_KEYID,
109 SC_FORMAT_INVALID,
110 } smartcard_format_t;
111
112 /**
113 * Parse a smartcard specifier token
114 */
115 static smartcard_format_t parse_smartcard(char *smartcard, u_int *slot,
116 char *module, char *keyid)
117 {
118 /* The token has one of the following three formats:
119 * - %smartcard<slot>@<module>:<keyid>
120 * - %smartcard<slot>:<keyid>
121 * - %smartcard:<keyid>
122 */
123 char buf[2 * SC_PART_LEN], *pos;
124
125 if (sscanf(smartcard, "%%smartcard%u@%255s", slot, buf) == 2)
126 {
127 pos = strchr(buf, ':');
128 if (!pos)
129 {
130 return SC_FORMAT_INVALID;
131 }
132 *pos++ = '\0';
133 snprintf(module, SC_PART_LEN, "%s", buf);
134 snprintf(keyid, SC_PART_LEN, "%s", pos);
135 return SC_FORMAT_SLOT_MODULE_KEYID;
136 }
137 if (sscanf(smartcard, "%%smartcard%u:%127s", slot, keyid) == 2)
138 {
139 return SC_FORMAT_SLOT_KEYID;
140 }
141 if (sscanf(smartcard, "%%smartcard:%127s", keyid) == 1)
142 {
143 return SC_FORMAT_KEYID;
144 }
145 return SC_FORMAT_INVALID;
146 }
147
148 /**
149 * Load a credential from a smartcard
150 */
151 static certificate_t *load_from_smartcard(smartcard_format_t format,
152 u_int slot, char *module, char *keyid,
153 credential_type_t type, int subtype)
154 {
155 chunk_t chunk;
156 void *cred;
157
158 chunk = chunk_from_hex(chunk_create(keyid, strlen(keyid)), NULL);
159 switch (format)
160 {
161 case SC_FORMAT_SLOT_MODULE_KEYID:
162 cred = lib->creds->create(lib->creds, type, subtype,
163 BUILD_PKCS11_SLOT, slot,
164 BUILD_PKCS11_MODULE, module,
165 BUILD_PKCS11_KEYID, chunk, BUILD_END);
166 break;
167 case SC_FORMAT_SLOT_KEYID:
168 cred = lib->creds->create(lib->creds, type, subtype,
169 BUILD_PKCS11_SLOT, slot,
170 BUILD_PKCS11_KEYID, chunk, BUILD_END);
171 break;
172 case SC_FORMAT_KEYID:
173 cred = lib->creds->create(lib->creds, type, subtype,
174 BUILD_PKCS11_KEYID, chunk, BUILD_END);
175 break;
176 default:
177 cred = NULL;
178 break;
179 }
180 free(chunk.ptr);
181
182 return cred;
183 }
184
185 METHOD(stroke_cred_t, load_peer, certificate_t*,
186 private_stroke_cred_t *this, char *filename)
187 {
188 certificate_t *cert = NULL;
189 char path[PATH_MAX];
190
191 if (strpfx(filename, "%smartcard"))
192 {
193 smartcard_format_t format;
194 char module[SC_PART_LEN], keyid[SC_PART_LEN];
195 u_int slot;
196
197 format = parse_smartcard(filename, &slot, module, keyid);
198 if (format != SC_FORMAT_INVALID)
199 {
200 cert = (certificate_t*)load_from_smartcard(format,
201 slot, module, keyid, CRED_CERTIFICATE, CERT_X509);
202 }
203 }
204 else
205 {
206 if (*filename == '/')
207 {
208 snprintf(path, sizeof(path), "%s", filename);
209 }
210 else
211 {
212 snprintf(path, sizeof(path), "%s/%s", CERTIFICATE_DIR, filename);
213 }
214
215 cert = lib->creds->create(lib->creds,
216 CRED_CERTIFICATE, CERT_ANY,
217 BUILD_FROM_FILE, path,
218 BUILD_END);
219 }
220 if (cert)
221 {
222 cert = this->creds->add_cert_ref(this->creds, TRUE, cert);
223 DBG1(DBG_CFG, " loaded certificate \"%Y\" from '%s'",
224 cert->get_subject(cert), filename);
225 return cert;
226 }
227 DBG1(DBG_CFG, " loading certificate from '%s' failed", filename);
228 return NULL;
229 }
230
231 METHOD(stroke_cred_t, load_pubkey, certificate_t*,
232 private_stroke_cred_t *this, char *filename, identification_t *identity)
233 {
234 certificate_t *cert;
235 public_key_t *key;
236 char path[PATH_MAX];
237 builder_part_t build_part;
238 key_type_t type = KEY_ANY;
239
240 if (streq(filename, "%dns"))
241 {
242 return NULL;
243 }
244 if (strncaseeq(filename, "dns:", 4))
245 { /* RFC 3110 format */
246 build_part = BUILD_BLOB_DNSKEY;
247 /* not a complete RR, only RSA supported */
248 type = KEY_RSA;
249 filename += 4;
250 }
251 else if (strncaseeq(filename, "ssh:", 4))
252 { /* SSH key */
253 build_part = BUILD_BLOB_SSHKEY;
254 filename += 4;
255 }
256 else
257 { /* try PKCS#1 by default */
258 build_part = BUILD_BLOB_ASN1_DER;
259 }
260 if (strncaseeq(filename, "0x", 2) || strncaseeq(filename, "0s", 2))
261 {
262 chunk_t printable_key, raw_key;
263
264 printable_key = chunk_create(filename + 2, strlen(filename) - 2);
265 raw_key = strncaseeq(filename, "0x", 2) ?
266 chunk_from_hex(printable_key, NULL) :
267 chunk_from_base64(printable_key, NULL);
268 key = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, type,
269 build_part, raw_key, BUILD_END);
270 chunk_free(&raw_key);
271 if (key)
272 {
273 cert = lib->creds->create(lib->creds, CRED_CERTIFICATE,
274 CERT_TRUSTED_PUBKEY,
275 BUILD_PUBLIC_KEY, key,
276 BUILD_SUBJECT, identity,
277 BUILD_END);
278 type = key->get_type(key);
279 key->destroy(key);
280 if (cert)
281 {
282 cert = this->creds->add_cert_ref(this->creds, TRUE, cert);
283 DBG1(DBG_CFG, " loaded %N public key for \"%Y\"",
284 key_type_names, type, identity);
285 return cert;
286 }
287 }
288 DBG1(DBG_CFG, " loading public key for \"%Y\" failed", identity);
289 }
290 else
291 {
292 if (*filename == '/')
293 {
294 snprintf(path, sizeof(path), "%s", filename);
295 }
296 else
297 {
298 snprintf(path, sizeof(path), "%s/%s", CERTIFICATE_DIR, filename);
299 }
300
301 cert = lib->creds->create(lib->creds,
302 CRED_CERTIFICATE, CERT_TRUSTED_PUBKEY,
303 BUILD_FROM_FILE, path,
304 BUILD_SUBJECT, identity,
305 BUILD_END);
306 if (cert)
307 {
308 cert = this->creds->add_cert_ref(this->creds, TRUE, cert);
309 key = cert->get_public_key(cert);
310 type = key->get_type(key);
311 key->destroy(key);
312 DBG1(DBG_CFG, " loaded %N public key for \"%Y\" from '%s'",
313 key_type_names, type, identity, filename);
314 return cert;
315 }
316 DBG1(DBG_CFG, " loading public key for \"%Y\" from '%s' failed",
317 identity, filename);
318 }
319 return NULL;
320 }
321
322 /**
323 * Load a CA certificate, optionally force it to be one
324 */
325 static certificate_t *load_ca_cert(char *filename, bool force_ca_cert)
326 {
327 certificate_t *cert = NULL;
328 char path[PATH_MAX];
329
330 if (strpfx(filename, "%smartcard"))
331 {
332 smartcard_format_t format;
333 char module[SC_PART_LEN], keyid[SC_PART_LEN];
334 u_int slot;
335
336 format = parse_smartcard(filename, &slot, module, keyid);
337 if (format != SC_FORMAT_INVALID)
338 {
339 cert = (certificate_t*)load_from_smartcard(format,
340 slot, module, keyid, CRED_CERTIFICATE, CERT_X509);
341 }
342 }
343 else
344 {
345 if (*filename == '/')
346 {
347 snprintf(path, sizeof(path), "%s", filename);
348 }
349 else
350 {
351 snprintf(path, sizeof(path), "%s/%s", CA_CERTIFICATE_DIR, filename);
352 }
353
354 if (force_ca_cert)
355 { /* we treat this certificate as a CA certificate even if it has no
356 * CA basic constraint */
357 cert = lib->creds->create(lib->creds,
358 CRED_CERTIFICATE, CERT_X509,
359 BUILD_FROM_FILE, path, BUILD_X509_FLAG, X509_CA,
360 BUILD_END);
361 }
362 else
363 {
364 cert = lib->creds->create(lib->creds,
365 CRED_CERTIFICATE, CERT_X509,
366 BUILD_FROM_FILE, path,
367 BUILD_END);
368 }
369 }
370 if (cert)
371 {
372 x509_t *x509 = (x509_t*)cert;
373
374 if (!(x509->get_flags(x509) & X509_CA))
375 {
376 DBG1(DBG_CFG, " ca certificate \"%Y\" lacks ca basic constraint, "
377 "discarded", cert->get_subject(cert));
378 cert->destroy(cert);
379 return NULL;
380 }
381 DBG1(DBG_CFG, " loaded ca certificate \"%Y\" from '%s'",
382 cert->get_subject(cert), filename);
383 return cert;
384 }
385 return NULL;
386 }
387
388 /**
389 * Used by stroke_ca.c
390 */
391 certificate_t *stroke_load_ca_cert(char *filename)
392 {
393 bool force_ca_cert;
394
395 force_ca_cert = lib->settings->get_bool(lib->settings,
396 "%s.plugins.stroke.ignore_missing_ca_basic_constraint",
397 FALSE, lib->ns);
398 return load_ca_cert(filename, force_ca_cert);
399 }
400
401 /**
402 * Load a CA certificate from disk
403 */
404 static void load_x509_ca(private_stroke_cred_t *this, char *file,
405 mem_cred_t *creds)
406 {
407 certificate_t *cert;
408
409 cert = load_ca_cert(file, this->force_ca_cert);
410 if (cert)
411 {
412 cert = this->ca->get_cert_ref(this->ca, cert);
413 creds->add_cert(creds, TRUE, cert);
414 }
415 else
416 {
417 DBG1(DBG_CFG, " loading ca certificate from '%s' failed", file);
418 }
419 }
420
421 /**
422 * Load AA certificate with flags from disk
423 */
424 static void load_x509_aa(private_stroke_cred_t *this,char *file,
425 mem_cred_t *creds)
426 {
427 certificate_t *cert;
428
429 cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
430 BUILD_FROM_FILE, file,
431 BUILD_X509_FLAG, X509_AA, BUILD_END);
432 if (cert)
433 {
434 DBG1(DBG_CFG, " loaded AA certificate \"%Y\" from '%s'",
435 cert->get_subject(cert), file);
436 creds->add_cert(creds, TRUE, cert);
437 }
438 else
439 {
440 DBG1(DBG_CFG, " loading AA certificate from '%s' failed", file);
441 }
442 }
443
444 /**
445 * Load a certificate with flags from disk
446 */
447 static void load_x509(private_stroke_cred_t *this, char *file, x509_flag_t flag,
448 mem_cred_t *creds)
449 {
450 certificate_t *cert;
451
452 /* for all other flags, we add them to the certificate. */
453 cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509,
454 BUILD_FROM_FILE, file,
455 BUILD_X509_FLAG, flag, BUILD_END);
456 if (cert)
457 {
458 DBG1(DBG_CFG, " loaded certificate \"%Y\" from '%s'",
459 cert->get_subject(cert), file);
460 creds->add_cert(creds, TRUE, cert);
461 }
462 else
463 {
464 DBG1(DBG_CFG, " loading certificate from '%s' failed", file);
465 }
466 }
467
468 /**
469 * Load a CRL from a file
470 */
471 static void load_x509_crl(private_stroke_cred_t *this, char *file,
472 mem_cred_t *creds)
473 {
474 certificate_t *cert;
475
476 cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509_CRL,
477 BUILD_FROM_FILE, file, BUILD_END);
478 if (cert)
479 {
480 DBG1(DBG_CFG, " loaded crl from '%s'", file);
481 creds->add_crl(creds, (crl_t*)cert);
482 }
483 else
484 {
485 DBG1(DBG_CFG, " loading crl from '%s' failed", file);
486 }
487 }
488
489 /**
490 * Load an attribute certificate from a file
491 */
492 static void load_x509_ac(private_stroke_cred_t *this, char *file,
493 mem_cred_t *creds)
494 {
495 certificate_t *cert;
496
497 cert = lib->creds->create(lib->creds, CRED_CERTIFICATE, CERT_X509_AC,
498 BUILD_FROM_FILE, file, BUILD_END);
499 if (cert)
500 {
501 DBG1(DBG_CFG, " loaded attribute certificate from '%s'", file);
502 creds->add_cert(creds, FALSE, cert);
503 }
504 else
505 {
506 DBG1(DBG_CFG, " loading attribute certificate from '%s' failed", file);
507 }
508 }
509
510 /**
511 * load trusted certificates from a directory
512 */
513 static void load_certdir(private_stroke_cred_t *this, char *path,
514 certificate_type_t type, x509_flag_t flag,
515 mem_cred_t *creds)
516 {
517 enumerator_t *enumerator;
518 struct stat st;
519 char *file;
520
521 enumerator = enumerator_create_directory(path);
522 if (enumerator)
523 {
524 while (enumerator->enumerate(enumerator, NULL, &file, &st))
525 {
526 if (!S_ISREG(st.st_mode))
527 {
528 /* skip special file */
529 continue;
530 }
531 switch (type)
532 {
533 case CERT_X509:
534 if (flag & X509_CA)
535 {
536 load_x509_ca(this, file, creds);
537 }
538 else if (flag & X509_AA)
539 {
540 load_x509_aa(this, file, creds);
541 }
542 else
543 {
544 load_x509(this, file, flag, creds);
545 }
546 break;
547 case CERT_X509_CRL:
548 load_x509_crl(this, file, creds);
549 break;
550 case CERT_X509_AC:
551 load_x509_ac(this, file, creds);
552 break;
553 default:
554 break;
555 }
556 }
557 enumerator->destroy(enumerator);
558 }
559 else
560 {
561 DBG1(DBG_CFG, " reading directory failed");
562 }
563 }
564
565 METHOD(credential_set_t, cache_cert, void,
566 private_stroke_cred_t *this, certificate_t *cert)
567 {
568 if (cert->get_type(cert) == CERT_X509_CRL && this->cachecrl)
569 {
570 /* CRLs get written to /etc/ipsec.d/crls/<authkeyId>.crl */
571 crl_t *crl = (crl_t*)cert;
572
573 cert->get_ref(cert);
574 if (this->creds->add_crl(this->creds, crl))
575 {
576 char buf[BUF_LEN];
577 chunk_t chunk, hex;
578 bool is_delta_crl;
579
580 is_delta_crl = crl->is_delta_crl(crl, NULL);
581
582 chunk = crl->get_authKeyIdentifier(crl);
583 hex = chunk_to_hex(chunk, NULL, FALSE);
584 snprintf(buf, sizeof(buf), "%s/%s%s.crl", CRL_DIR, hex.ptr,
585 is_delta_crl ? "_delta" : "");
586 free(hex.ptr);
587
588 if (cert->get_encoding(cert, CERT_ASN1_DER, &chunk))
589 {
590 if (chunk_write(chunk, buf, 022, TRUE))
591 {
592 DBG1(DBG_CFG, " written crl file '%s' (%d bytes)",
593 buf, chunk.len);
594 }
595 else
596 {
597 DBG1(DBG_CFG, " writing crl file '%s' failed: %s",
598 buf, strerror(errno));
599 }
600 free(chunk.ptr);
601 }
602 }
603 }
604 }
605
606 METHOD(stroke_cred_t, cachecrl, void,
607 private_stroke_cred_t *this, bool enabled)
608 {
609 DBG1(DBG_CFG, "crl caching to %s %s",
610 CRL_DIR, enabled ? "enabled" : "disabled");
611 this->cachecrl = enabled;
612 }
613
614
615 /**
616 * Convert a string of characters into a binary secret
617 * A string between single or double quotes is treated as ASCII characters
618 * A string prepended by 0x is treated as HEX and prepended by 0s as Base64
619 */
620 static err_t extract_secret(chunk_t *secret, chunk_t *line)
621 {
622 chunk_t raw_secret;
623 char delimiter = ' ';
624 bool quotes = FALSE;
625
626 if (!eat_whitespace(line))
627 {
628 return "missing secret";
629 }
630
631 if (*line->ptr == '\'' || *line->ptr == '"')
632 {
633 quotes = TRUE;
634 delimiter = *line->ptr;
635 line->ptr++; line->len--;
636 }
637
638 if (!extract_token(&raw_secret, delimiter, line))
639 {
640 if (delimiter == ' ')
641 {
642 raw_secret = *line;
643 }
644 else
645 {
646 return "missing second delimiter";
647 }
648 }
649
650 if (quotes)
651 {
652 /* treat as an ASCII string */
653 *secret = chunk_clone(raw_secret);
654 return NULL;
655 }
656 /* treat 0x as hex, 0s as base64 */
657 if (raw_secret.len > 2)
658 {
659 if (strncasecmp("0x", raw_secret.ptr, 2) == 0)
660 {
661 *secret = chunk_from_hex(chunk_skip(raw_secret, 2), NULL);
662 return NULL;
663 }
664 if (strncasecmp("0s", raw_secret.ptr, 2) == 0)
665 {
666 *secret = chunk_from_base64(chunk_skip(raw_secret, 2), NULL);
667 return NULL;
668 }
669 }
670 *secret = chunk_clone(raw_secret);
671 return NULL;
672 }
673
674 /**
675 * Data for passphrase callback
676 */
677 typedef struct {
678 /** cached passphrases */
679 mem_cred_t *cache;
680 /** socket we use for prompting */
681 FILE *prompt;
682 /** type of secret to unlock */
683 int type;
684 /** private key file */
685 char *path;
686 /** number of tries */
687 int try;
688 } passphrase_cb_data_t;
689
690 /**
691 * Callback function to receive passphrases
692 */
693 static shared_key_t* passphrase_cb(passphrase_cb_data_t *data,
694 shared_key_type_t type, identification_t *me,
695 identification_t *other, id_match_t *match_me,
696 id_match_t *match_other)
697 {
698 static const int max_tries = 3;
699 shared_key_t *shared;
700 chunk_t secret;
701 char buf[256];
702
703 if (type != SHARED_ANY && type != SHARED_PRIVATE_KEY_PASS)
704 {
705 return NULL;
706 }
707
708 data->try++;
709 if (data->try > max_tries + 1)
710 { /* another builder might call this after we gave up, fail silently */
711 return NULL;
712 }
713 if (data->try > max_tries)
714 {
715 fprintf(data->prompt, "Passphrase invalid, giving up.\n");
716 return NULL;
717 }
718 if (data->try > 1)
719 {
720 fprintf(data->prompt, "Passphrase invalid!\n");
721 }
722 fprintf(data->prompt, "%s '%s' is encrypted.\n",
723 data->type == CRED_PRIVATE_KEY ? "Private key" : "PKCS#12 file",
724 data->path);
725 fprintf(data->prompt, "Passphrase:\n");
726 if (fgets(buf, sizeof(buf), data->prompt))
727 {
728 secret = chunk_create(buf, strlen(buf));
729 if (secret.len > 1)
730 { /* trim appended \n */
731 secret.len--;
732 if (match_me)
733 {
734 *match_me = ID_MATCH_PERFECT;
735 }
736 if (match_other)
737 {
738 *match_other = ID_MATCH_NONE;
739 }
740 shared = shared_key_create(SHARED_PRIVATE_KEY_PASS,
741 chunk_clone(secret));
742 data->cache->add_shared(data->cache, shared->get_ref(shared), NULL);
743 return shared;
744 }
745 }
746 return NULL;
747 }
748
749 /**
750 * Data for PIN callback
751 */
752 typedef struct {
753 /** socket we use for prompting */
754 FILE *prompt;
755 /** card label */
756 char *card;
757 /** card keyid */
758 chunk_t keyid;
759 /** number of tries */
760 int try;
761 /** provided PIN */
762 shared_key_t *shared;
763 } pin_cb_data_t;
764
765 /**
766 * Callback function to receive PINs
767 */
768 static shared_key_t* pin_cb(pin_cb_data_t *data, shared_key_type_t type,
769 identification_t *me, identification_t *other,
770 id_match_t *match_me, id_match_t *match_other)
771 {
772 chunk_t secret;
773 char buf[256];
774
775 if (type != SHARED_ANY && type != SHARED_PIN)
776 {
777 return NULL;
778 }
779
780 if (!me || !chunk_equals(me->get_encoding(me), data->keyid))
781 {
782 return NULL;
783 }
784
785 data->try++;
786 if (data->try > 1)
787 {
788 fprintf(data->prompt, "PIN invalid, aborting.\n");
789 return NULL;
790 }
791 fprintf(data->prompt, "Login to '%s' required\n", data->card);
792 fprintf(data->prompt, "PIN:\n");
793 if (fgets(buf, sizeof(buf), data->prompt))
794 {
795 secret = chunk_create(buf, strlen(buf));
796 if (secret.len > 1)
797 { /* trim appended \n */
798 secret.len--;
799 if (match_me)
800 {
801 *match_me = ID_MATCH_PERFECT;
802 }
803 if (match_other)
804 {
805 *match_other = ID_MATCH_NONE;
806 }
807 DESTROY_IF(data->shared);
808 data->shared = shared_key_create(SHARED_PIN, chunk_clone(secret));
809 return data->shared->get_ref(data->shared);
810 }
811 }
812 return NULL;
813 }
814
815 /**
816 * Load a smartcard with a PIN
817 */
818 static bool load_pin(mem_cred_t *secrets, chunk_t line, int line_nr,
819 FILE *prompt)
820 {
821 chunk_t sc = chunk_empty, secret = chunk_empty;
822 char smartcard[BUF_LEN], keyid[SC_PART_LEN], module[SC_PART_LEN];
823 private_key_t *key = NULL;
824 u_int slot;
825 chunk_t chunk;
826 shared_key_t *shared = NULL;
827 identification_t *id;
828 mem_cred_t *mem = NULL;
829 callback_cred_t *cb = NULL;
830 pin_cb_data_t pin_data;
831 smartcard_format_t format;
832
833 err_t ugh = extract_value(&sc, &line);
834
835 if (ugh != NULL)
836 {
837 DBG1(DBG_CFG, "line %d: %s", line_nr, ugh);
838 return FALSE;
839 }
840 if (sc.len == 0)
841 {
842 DBG1(DBG_CFG, "line %d: expected %%smartcard specifier", line_nr);
843 return FALSE;
844 }
845 snprintf(smartcard, sizeof(smartcard), "%.*s", (int)sc.len, sc.ptr);
846 smartcard[sizeof(smartcard) - 1] = '\0';
847
848 format = parse_smartcard(smartcard, &slot, module, keyid);
849 if (format == SC_FORMAT_INVALID)
850 {
851 DBG1(DBG_CFG, "line %d: the given %%smartcard specifier is not"
852 " supported or invalid", line_nr);
853 return FALSE;
854 }
855
856 if (!eat_whitespace(&line))
857 {
858 DBG1(DBG_CFG, "line %d: expected PIN", line_nr);
859 return FALSE;
860 }
861 ugh = extract_secret(&secret, &line);
862 if (ugh != NULL)
863 {
864 DBG1(DBG_CFG, "line %d: malformed PIN: %s", line_nr, ugh);
865 return FALSE;
866 }
867
868 chunk = chunk_from_hex(chunk_create(keyid, strlen(keyid)), NULL);
869 if (secret.len == 7 && strpfx(secret.ptr, "%prompt"))
870 {
871 free(secret.ptr);
872 if (!prompt)
873 { /* no IO channel to prompt, skip */
874 chunk_clear(&chunk);
875 return TRUE;
876 }
877 /* use callback credential set to prompt for the pin */
878 pin_data = (pin_cb_data_t){
879 .prompt = prompt,
880 .card = smartcard,
881 .keyid = chunk,
882 };
883 cb = callback_cred_create_shared((void*)pin_cb, &pin_data);
884 lib->credmgr->add_local_set(lib->credmgr, &cb->set, FALSE);
885 }
886 else
887 {
888 /* provide our pin in a temporary credential set */
889 shared = shared_key_create(SHARED_PIN, secret);
890 id = identification_create_from_encoding(ID_KEY_ID, chunk);
891 mem = mem_cred_create();
892 mem->add_shared(mem, shared->get_ref(shared), id, NULL);
893 lib->credmgr->add_local_set(lib->credmgr, &mem->set, FALSE);
894 }
895
896 /* unlock: smartcard needs the pin and potentially calls public set */
897 key = (private_key_t*)load_from_smartcard(format, slot, module, keyid,
898 CRED_PRIVATE_KEY, KEY_ANY);
899
900 if (key)
901 {
902 DBG1(DBG_CFG, " loaded private key from %.*s", (int)sc.len, sc.ptr);
903 secrets->add_key(secrets, key);
904 }
905 if (mem)
906 {
907 if (!key)
908 {
909 shared->destroy(shared);
910 shared = NULL;
911 }
912 lib->credmgr->remove_local_set(lib->credmgr, &mem->set);
913 mem->destroy(mem);
914 }
915 if (cb)
916 {
917 if (key)
918 {
919 shared = pin_data.shared;
920 }
921 else
922 {
923 DESTROY_IF(pin_data.shared);
924 }
925 lib->credmgr->remove_local_set(lib->credmgr, &cb->set);
926 cb->destroy(cb);
927 }
928 if (shared)
929 {
930 id = identification_create_from_encoding(ID_KEY_ID, chunk);
931 secrets->add_shared(secrets, shared, id, NULL);
932 }
933 chunk_clear(&chunk);
934 return TRUE;
935 }
936
937 /**
938 * Load a private key or PKCS#12 container from a file
939 */
940 static bool load_from_file(chunk_t line, int line_nr, FILE *prompt,
941 char *path, int type, int subtype,
942 void **result)
943 {
944 chunk_t filename;
945 chunk_t secret = chunk_empty;
946
947 err_t ugh = extract_value(&filename, &line);
948
949 if (ugh != NULL)
950 {
951 DBG1(DBG_CFG, "line %d: %s", line_nr, ugh);
952 return FALSE;
953 }
954 if (filename.len == 0)
955 {
956 DBG1(DBG_CFG, "line %d: empty filename", line_nr);
957 return FALSE;
958 }
959 if (*filename.ptr == '/')
960 {
961 /* absolute path name */
962 snprintf(path, PATH_MAX, "%.*s", (int)filename.len, filename.ptr);
963 }
964 else
965 {
966 /* relative path name */
967 snprintf(path, PATH_MAX, "%s/%.*s", PRIVATE_KEY_DIR,
968 (int)filename.len, filename.ptr);
969 }
970
971 /* check for optional passphrase */
972 if (eat_whitespace(&line))
973 {
974 ugh = extract_secret(&secret, &line);
975 if (ugh != NULL)
976 {
977 DBG1(DBG_CFG, "line %d: malformed passphrase: %s", line_nr, ugh);
978 return FALSE;
979 }
980 }
981 if (secret.len == 7 && strpfx(secret.ptr, "%prompt"))
982 {
983 callback_cred_t *cb;
984 passphrase_cb_data_t pp_data = {
985 .prompt = prompt,
986 .type = type,
987 .path = path,
988 .try = 0,
989 };
990
991 free(secret.ptr);
992 if (!prompt)
993 {
994 *result = NULL;
995 return TRUE;
996 }
997 /* add cache first so if valid passphrases are needed multiple times
998 * the callback is not called anymore */
999 pp_data.cache = mem_cred_create();
1000 lib->credmgr->add_local_set(lib->credmgr, &pp_data.cache->set, FALSE);
1001 /* use callback credential set to prompt for the passphrase */
1002 cb = callback_cred_create_shared((void*)passphrase_cb, &pp_data);
1003 lib->credmgr->add_local_set(lib->credmgr, &cb->set, FALSE);
1004
1005 *result = lib->creds->create(lib->creds, type, subtype,
1006 BUILD_FROM_FILE, path, BUILD_END);
1007
1008 lib->credmgr->remove_local_set(lib->credmgr, &cb->set);
1009 cb->destroy(cb);
1010 lib->credmgr->remove_local_set(lib->credmgr, &pp_data.cache->set);
1011 pp_data.cache->destroy(pp_data.cache);
1012 }
1013 else
1014 {
1015 mem_cred_t *mem = NULL;
1016 shared_key_t *shared;
1017
1018 /* provide our pin in a temporary credential set */
1019 shared = shared_key_create(SHARED_PRIVATE_KEY_PASS, secret);
1020 mem = mem_cred_create();
1021 mem->add_shared(mem, shared, NULL);
1022 if (eat_whitespace(&line))
1023 { /* if there is a second passphrase add that too, could be needed for
1024 * PKCS#12 files using different passwords for MAC and encryption */
1025 ugh = extract_secret(&secret, &line);
1026 if (ugh != NULL)
1027 {
1028 DBG1(DBG_CFG, "line %d: malformed passphrase: %s", line_nr, ugh);
1029 mem->destroy(mem);
1030 return FALSE;
1031 }
1032 shared = shared_key_create(SHARED_PRIVATE_KEY_PASS, secret);
1033 mem->add_shared(mem, shared, NULL);
1034 }
1035 lib->credmgr->add_local_set(lib->credmgr, &mem->set, FALSE);
1036
1037 *result = lib->creds->create(lib->creds, type, subtype,
1038 BUILD_FROM_FILE, path, BUILD_END);
1039
1040 lib->credmgr->remove_local_set(lib->credmgr, &mem->set);
1041 mem->destroy(mem);
1042 }
1043 return TRUE;
1044 }
1045
1046 /**
1047 * Load a private key
1048 */
1049 static bool load_private(mem_cred_t *secrets, chunk_t line, int line_nr,
1050 FILE *prompt, key_type_t key_type)
1051 {
1052 char path[PATH_MAX];
1053 private_key_t *key;
1054
1055 if (!load_from_file(line, line_nr, prompt, path, CRED_PRIVATE_KEY,
1056 key_type, (void**)&key))
1057 {
1058 return FALSE;
1059 }
1060 if (key)
1061 {
1062 DBG1(DBG_CFG, " loaded %N private key from '%s'",
1063 key_type_names, key->get_type(key), path);
1064 secrets->add_key(secrets, key);
1065 }
1066 else
1067 {
1068 DBG1(DBG_CFG, " loading private key from '%s' failed", path);
1069 }
1070 return TRUE;
1071 }
1072
1073 /**
1074 * Load a PKCS#12 container
1075 */
1076 static bool load_pkcs12(private_stroke_cred_t *this, mem_cred_t *secrets,
1077 chunk_t line, int line_nr, FILE *prompt)
1078 {
1079 enumerator_t *enumerator;
1080 char path[PATH_MAX];
1081 certificate_t *cert;
1082 private_key_t *key;
1083 pkcs12_t *pkcs12;
1084
1085 if (!load_from_file(line, line_nr, prompt, path, CRED_CONTAINER,
1086 CONTAINER_PKCS12, (void**)&pkcs12))
1087 {
1088 return FALSE;
1089 }
1090 if (!pkcs12)
1091 {
1092 DBG1(DBG_CFG, " loading credentials from '%s' failed", path);
1093 return TRUE;
1094 }
1095 enumerator = pkcs12->create_cert_enumerator(pkcs12);
1096 while (enumerator->enumerate(enumerator, &cert))
1097 {
1098 x509_t *x509 = (x509_t*)cert;
1099
1100 if (x509->get_flags(x509) & X509_CA)
1101 {
1102 DBG1(DBG_CFG, " loaded ca certificate \"%Y\" from '%s'",
1103 cert->get_subject(cert), path);
1104 }
1105 else
1106 {
1107 DBG1(DBG_CFG, " loaded certificate \"%Y\" from '%s'",
1108 cert->get_subject(cert), path);
1109 }
1110 this->creds->add_cert(this->creds, TRUE, cert->get_ref(cert));
1111 }
1112 enumerator->destroy(enumerator);
1113 enumerator = pkcs12->create_key_enumerator(pkcs12);
1114 while (enumerator->enumerate(enumerator, &key))
1115 {
1116 DBG1(DBG_CFG, " loaded %N private key from '%s'",
1117 key_type_names, key->get_type(key), path);
1118 secrets->add_key(secrets, key->get_ref(key));
1119 }
1120 enumerator->destroy(enumerator);
1121 pkcs12->container.destroy(&pkcs12->container);
1122 return TRUE;
1123 }
1124
1125 /**
1126 * Load a shared key
1127 */
1128 static bool load_shared(mem_cred_t *secrets, chunk_t line, int line_nr,
1129 shared_key_type_t type, chunk_t ids)
1130 {
1131 shared_key_t *shared_key;
1132 linked_list_t *owners;
1133 chunk_t secret = chunk_empty;
1134 bool any = TRUE;
1135
1136 err_t ugh = extract_secret(&secret, &line);
1137 if (ugh != NULL)
1138 {
1139 DBG1(DBG_CFG, "line %d: malformed secret: %s", line_nr, ugh);
1140 return FALSE;
1141 }
1142 shared_key = shared_key_create(type, secret);
1143 DBG1(DBG_CFG, " loaded %N secret for %s", shared_key_type_names, type,
1144 ids.len > 0 ? (char*)ids.ptr : "%any");
1145 DBG4(DBG_CFG, " secret: %#B", &secret);
1146
1147 owners = linked_list_create();
1148 while (ids.len > 0)
1149 {
1150 chunk_t id;
1151 identification_t *peer_id;
1152
1153 ugh = extract_value(&id, &ids);
1154 if (ugh != NULL)
1155 {
1156 DBG1(DBG_CFG, "line %d: %s", line_nr, ugh);
1157 shared_key->destroy(shared_key);
1158 owners->destroy_offset(owners, offsetof(identification_t, destroy));
1159 return FALSE;
1160 }
1161 if (id.len == 0)
1162 {
1163 continue;
1164 }
1165
1166 /* NULL terminate the ID string */
1167 *(id.ptr + id.len) = '\0';
1168 peer_id = identification_create_from_string(id.ptr);
1169 if (peer_id->get_type(peer_id) == ID_ANY)
1170 {
1171 peer_id->destroy(peer_id);
1172 continue;
1173 }
1174
1175 owners->insert_last(owners, peer_id);
1176 any = FALSE;
1177 }
1178 if (any)
1179 {
1180 owners->insert_last(owners,
1181 identification_create_from_encoding(ID_ANY, chunk_empty));
1182 }
1183 secrets->add_shared_list(secrets, shared_key, owners);
1184 return TRUE;
1185 }
1186
1187 /**
1188 * reload ipsec.secrets
1189 */
1190 static void load_secrets(private_stroke_cred_t *this, mem_cred_t *secrets,
1191 char *file, int level, FILE *prompt)
1192 {
1193 int line_nr = 0;
1194 chunk_t *src, line;
1195
1196 DBG1(DBG_CFG, "loading secrets from '%s'", file);
1197 src = chunk_map(file, FALSE);
1198 if (!src)
1199 {
1200 DBG1(DBG_CFG, "opening secrets file '%s' failed: %s", file,
1201 strerror(errno));
1202 return;
1203 }
1204
1205 if (!secrets)
1206 {
1207 secrets = mem_cred_create();
1208 }
1209
1210 while (fetchline(src, &line))
1211 {
1212 chunk_t ids, token;
1213 key_type_t key_type;
1214 shared_key_type_t type;
1215
1216 line_nr++;
1217
1218 if (!eat_whitespace(&line))
1219 {
1220 continue;
1221 }
1222 if (line.len > strlen("include ") && strpfx(line.ptr, "include "))
1223 {
1224 char **expanded, *dir, pattern[PATH_MAX];
1225 u_char *pos;
1226
1227 if (level > MAX_SECRETS_RECURSION)
1228 {
1229 DBG1(DBG_CFG, "maximum level of %d includes reached, ignored",
1230 MAX_SECRETS_RECURSION);
1231 continue;
1232 }
1233 /* terminate filename by space */
1234 line = chunk_skip(line, strlen("include "));
1235 pos = memchr(line.ptr, ' ', line.len);
1236 if (pos)
1237 {
1238 line.len = pos - line.ptr;
1239 }
1240 if (line.len && line.ptr[0] == '/')
1241 {
1242 if (line.len + 1 > sizeof(pattern))
1243 {
1244 DBG1(DBG_CFG, "include pattern too long, ignored");
1245 continue;
1246 }
1247 snprintf(pattern, sizeof(pattern), "%.*s",
1248 (int)line.len, line.ptr);
1249 }
1250 else
1251 { /* use directory of current file if relative */
1252 dir = path_dirname(file);
1253
1254 if (line.len + 1 + strlen(dir) + 1 > sizeof(pattern))
1255 {
1256 DBG1(DBG_CFG, "include pattern too long, ignored");
1257 free(dir);
1258 continue;
1259 }
1260 snprintf(pattern, sizeof(pattern), "%s/%.*s",
1261 dir, (int)line.len, line.ptr);
1262 free(dir);
1263 }
1264 #ifdef HAVE_GLOB_H
1265 {
1266 glob_t buf;
1267 if (glob(pattern, GLOB_ERR, NULL, &buf) != 0)
1268 {
1269 DBG1(DBG_CFG, "expanding file expression '%s' failed",
1270 pattern);
1271 }
1272 else
1273 {
1274 for (expanded = buf.gl_pathv; *expanded != NULL; expanded++)
1275 {
1276 load_secrets(this, secrets, *expanded, level + 1,
1277 prompt);
1278 }
1279 }
1280 globfree(&buf);
1281 }
1282 #else /* HAVE_GLOB_H */
1283 /* if glob(3) is not available, try to load pattern directly */
1284 load_secrets(this, secrets, pattern, level + 1, prompt);
1285 #endif /* HAVE_GLOB_H */
1286 continue;
1287 }
1288
1289 if (line.len > 2 && strpfx(line.ptr, ": "))
1290 {
1291 /* no ids, skip the ':' */
1292 ids = chunk_empty;
1293 line.ptr++;
1294 line.len--;
1295 }
1296 else if (extract_token_str(&ids, " : ", &line))
1297 {
1298 /* NULL terminate the extracted id string */
1299 *(ids.ptr + ids.len) = '\0';
1300 }
1301 else
1302 {
1303 DBG1(DBG_CFG, "line %d: missing ' : ' separator", line_nr);
1304 break;
1305 }
1306
1307 if (!eat_whitespace(&line) || !extract_token(&token, ' ', &line))
1308 {
1309 DBG1(DBG_CFG, "line %d: missing token", line_nr);
1310 break;
1311 }
1312 if (match("RSA", &token) || match("ECDSA", &token) ||
1313 match("BLISS", &token) || match("PKCS8", &token))
1314 {
1315 if (match("RSA", &token))
1316 {
1317 key_type = KEY_RSA;
1318 }
1319 else if (match("ECDSA", &token))
1320 {
1321 key_type = KEY_ECDSA;
1322 }
1323 else if (match("BLISS", &token))
1324 {
1325 key_type = KEY_BLISS;
1326 }
1327 else
1328 {
1329 key_type = KEY_ANY;
1330 }
1331 if (!load_private(secrets, line, line_nr, prompt, key_type))
1332 {
1333 break;
1334 }
1335 }
1336 else if (match("P12", &token))
1337 {
1338 if (!load_pkcs12(this, secrets, line, line_nr, prompt))
1339 {
1340 break;
1341 }
1342 }
1343 else if (match("PIN", &token))
1344 {
1345 if (!load_pin(secrets, line, line_nr, prompt))
1346 {
1347 break;
1348 }
1349 }
1350 else if ((match("PSK", &token) && (type = SHARED_IKE)) ||
1351 (match("EAP", &token) && (type = SHARED_EAP)) ||
1352 (match("NTLM", &token) && (type = SHARED_NT_HASH)) ||
1353 (match("XAUTH", &token) && (type = SHARED_EAP)))
1354 {
1355 if (!load_shared(secrets, line, line_nr, type, ids))
1356 {
1357 break;
1358 }
1359 }
1360 else
1361 {
1362 DBG1(DBG_CFG, "line %d: token must be either RSA, ECDSA, BLISS, "
1363 "PKCS8 P12, PIN, PSK, EAP, XAUTH or NTLM", line_nr);
1364 break;
1365 }
1366 }
1367 chunk_unmap(src);
1368
1369 if (level == 0)
1370 { /* replace secrets in active credential set */
1371 this->creds->replace_secrets(this->creds, secrets, FALSE);
1372 secrets->destroy(secrets);
1373 }
1374 }
1375
1376 /**
1377 * load all certificates from ipsec.d
1378 */
1379 static void load_certs(private_stroke_cred_t *this)
1380 {
1381 mem_cred_t *creds;
1382
1383 DBG1(DBG_CFG, "loading ca certificates from '%s'",
1384 CA_CERTIFICATE_DIR);
1385 creds = mem_cred_create();
1386 load_certdir(this, CA_CERTIFICATE_DIR, CERT_X509, X509_CA, creds);
1387 this->ca->replace_certs(this->ca, creds);
1388 creds->destroy(creds);
1389
1390 DBG1(DBG_CFG, "loading aa certificates from '%s'",
1391 AA_CERTIFICATE_DIR);
1392 load_certdir(this, AA_CERTIFICATE_DIR, CERT_X509, X509_AA, this->aacerts);
1393
1394 DBG1(DBG_CFG, "loading ocsp signer certificates from '%s'",
1395 OCSP_CERTIFICATE_DIR);
1396 load_certdir(this, OCSP_CERTIFICATE_DIR, CERT_X509, X509_OCSP_SIGNER,
1397 this->creds);
1398
1399 DBG1(DBG_CFG, "loading attribute certificates from '%s'",
1400 ATTR_CERTIFICATE_DIR);
1401 load_certdir(this, ATTR_CERTIFICATE_DIR, CERT_X509_AC, 0, this->creds);
1402
1403 DBG1(DBG_CFG, "loading crls from '%s'",
1404 CRL_DIR);
1405 load_certdir(this, CRL_DIR, CERT_X509_CRL, 0, this->creds);
1406 }
1407
1408 METHOD(stroke_cred_t, reread, void,
1409 private_stroke_cred_t *this, stroke_msg_t *msg, FILE *prompt)
1410 {
1411 mem_cred_t *creds;
1412
1413 if (msg->reread.flags & REREAD_SECRETS)
1414 {
1415 DBG1(DBG_CFG, "rereading secrets");
1416 load_secrets(this, NULL, this->secrets_file, 0, prompt);
1417 }
1418 if (msg->reread.flags & REREAD_CACERTS)
1419 {
1420 /* first reload certificates in ca sections, so we can refer to them */
1421 this->ca->reload_certs(this->ca);
1422
1423 DBG1(DBG_CFG, "rereading ca certificates from '%s'",
1424 CA_CERTIFICATE_DIR);
1425 creds = mem_cred_create();
1426 load_certdir(this, CA_CERTIFICATE_DIR, CERT_X509, X509_CA, creds);
1427 this->ca->replace_certs(this->ca, creds);
1428 creds->destroy(creds);
1429 }
1430 if (msg->reread.flags & REREAD_AACERTS)
1431 {
1432 DBG1(DBG_CFG, "rereading aa certificates from '%s'",
1433 AA_CERTIFICATE_DIR);
1434 creds = mem_cred_create();
1435 load_certdir(this, AA_CERTIFICATE_DIR, CERT_X509, X509_AA, creds);
1436 this->aacerts->replace_certs(this->aacerts, creds, FALSE);
1437 creds->destroy(creds);
1438 lib->credmgr->flush_cache(lib->credmgr, CERT_X509);
1439 }
1440 if (msg->reread.flags & REREAD_OCSPCERTS)
1441 {
1442 DBG1(DBG_CFG, "rereading ocsp signer certificates from '%s'",
1443 OCSP_CERTIFICATE_DIR);
1444 load_certdir(this, OCSP_CERTIFICATE_DIR, CERT_X509,
1445 X509_OCSP_SIGNER, this->creds);
1446 }
1447 if (msg->reread.flags & REREAD_ACERTS)
1448 {
1449 DBG1(DBG_CFG, "rereading attribute certificates from '%s'",
1450 ATTR_CERTIFICATE_DIR);
1451 load_certdir(this, ATTR_CERTIFICATE_DIR, CERT_X509_AC, 0, this->creds);
1452 }
1453 if (msg->reread.flags & REREAD_CRLS)
1454 {
1455 DBG1(DBG_CFG, "rereading crls from '%s'",
1456 CRL_DIR);
1457 load_certdir(this, CRL_DIR, CERT_X509_CRL, 0, this->creds);
1458 }
1459 }
1460
1461 METHOD(stroke_cred_t, add_shared, void,
1462 private_stroke_cred_t *this, shared_key_t *shared, linked_list_t *owners)
1463 {
1464 this->creds->add_shared_list(this->creds, shared, owners);
1465 }
1466
1467 METHOD(stroke_cred_t, destroy, void,
1468 private_stroke_cred_t *this)
1469 {
1470 lib->credmgr->remove_set(lib->credmgr, &this->aacerts->set);
1471 lib->credmgr->remove_set(lib->credmgr, &this->creds->set);
1472 this->aacerts->destroy(this->aacerts);
1473 this->creds->destroy(this->creds);
1474 free(this);
1475 }
1476
1477 /*
1478 * see header file
1479 */
1480 stroke_cred_t *stroke_cred_create(stroke_ca_t *ca)
1481 {
1482 private_stroke_cred_t *this;
1483
1484 INIT(this,
1485 .public = {
1486 .set = {
1487 .create_private_enumerator = (void*)return_null,
1488 .create_cert_enumerator = (void*)return_null,
1489 .create_shared_enumerator = (void*)return_null,
1490 .create_cdp_enumerator = (void*)return_null,
1491 .cache_cert = (void*)_cache_cert,
1492 },
1493 .reread = _reread,
1494 .load_peer = _load_peer,
1495 .load_pubkey = _load_pubkey,
1496 .add_shared = _add_shared,
1497 .cachecrl = _cachecrl,
1498 .destroy = _destroy,
1499 },
1500 .secrets_file = lib->settings->get_str(lib->settings,
1501 "%s.plugins.stroke.secrets_file", SECRETS_FILE,
1502 lib->ns),
1503 .creds = mem_cred_create(),
1504 .aacerts = mem_cred_create(),
1505 .ca = ca,
1506 );
1507
1508 if (lib->settings->get_bool(lib->settings, "%s.cache_crls", FALSE, lib->ns))
1509 {
1510 cachecrl(this, TRUE);
1511 }
1512 lib->credmgr->add_set(lib->credmgr, &this->creds->set);
1513 lib->credmgr->add_set(lib->credmgr, &this->aacerts->set);
1514
1515 this->force_ca_cert = lib->settings->get_bool(lib->settings,
1516 "%s.plugins.stroke.ignore_missing_ca_basic_constraint",
1517 FALSE, lib->ns);
1518
1519 load_certs(this);
1520 load_secrets(this, NULL, this->secrets_file, 0, NULL);
1521
1522 return &this->public;
1523 }