![[BACK]](/icons/cvsweb/back.gif){kind=icon}
Return to stroke_cred.c CVS log ![[TXT]](/icons/cvsweb/text.gif){kind=icon}
![[DIR]](/icons/cvsweb/dir.gif){kind=icon}
Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / strongswan / src / libcharon / plugins / stroke|
Return to stroke_cred.c CVS log | Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / strongswan / src / libcharon / plugins / stroke |
1.1 misho 1: /*
2: * Copyright (C) 2008-2017 Tobias Brunner
3: * Copyright (C) 2008 Martin Willi
4: * HSR 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:
1135: err_t ugh = extract_secret(&secret, &line);
1136: if (ugh != NULL)
1137: {
1138: DBG1(DBG_CFG, "line %d: malformed secret: %s", line_nr, ugh);
1139: return FALSE;
1140: }
1141: shared_key = shared_key_create(type, secret);
1142: DBG1(DBG_CFG, " loaded %N secret for %s", shared_key_type_names, type,
1143: ids.len > 0 ? (char*)ids.ptr : "%any");
1144: DBG4(DBG_CFG, " secret: %#B", &secret);
1145:
1146: owners = linked_list_create();
1147: while (ids.len > 0)
1148: {
1149: chunk_t id;
1150:
1151: ugh = extract_value(&id, &ids);
1152: if (ugh != NULL)
1153: {
1154: DBG1(DBG_CFG, "line %d: %s", line_nr, ugh);
1155: shared_key->destroy(shared_key);
1156: owners->destroy_offset(owners, offsetof(identification_t, destroy));
1157: return FALSE;
1158: }
1159: if (id.len == 0)
1160: {
1161: continue;
1162: }
1163:
1164: /* NULL terminate the ID string */
1165: *(id.ptr + id.len) = '\0';
1166: owners->insert_last(owners, identification_create_from_string(id.ptr));
1167: }
1168: if (!owners->get_count(owners))
1169: {
1170: owners->insert_last(owners,
1171: identification_create_from_encoding(ID_ANY, chunk_empty));
1172: }
1173: secrets->add_shared_list(secrets, shared_key, owners);
1174: return TRUE;
1175: }
1176:
1177: /**
1178: * reload ipsec.secrets
1179: */
1180: static void load_secrets(private_stroke_cred_t *this, mem_cred_t *secrets,
1181: char *file, int level, FILE *prompt)
1182: {
1183: int line_nr = 0;
1184: chunk_t *src, line;
1185:
1186: DBG1(DBG_CFG, "loading secrets from '%s'", file);
1187: src = chunk_map(file, FALSE);
1188: if (!src)
1189: {
1190: DBG1(DBG_CFG, "opening secrets file '%s' failed: %s", file,
1191: strerror(errno));
1192: return;
1193: }
1194:
1195: if (!secrets)
1196: {
1197: secrets = mem_cred_create();
1198: }
1199:
1200: while (fetchline(src, &line))
1201: {
1202: chunk_t ids, token;
1203: key_type_t key_type;
1204: shared_key_type_t type;
1205:
1206: line_nr++;
1207:
1208: if (!eat_whitespace(&line))
1209: {
1210: continue;
1211: }
1212: if (line.len > strlen("include ") && strpfx(line.ptr, "include "))
1213: {
1214: char **expanded, *dir, pattern[PATH_MAX];
1215: u_char *pos;
1216:
1217: if (level > MAX_SECRETS_RECURSION)
1218: {
1219: DBG1(DBG_CFG, "maximum level of %d includes reached, ignored",
1220: MAX_SECRETS_RECURSION);
1221: continue;
1222: }
1223: /* terminate filename by space */
1224: line = chunk_skip(line, strlen("include "));
1225: pos = memchr(line.ptr, ' ', line.len);
1226: if (pos)
1227: {
1228: line.len = pos - line.ptr;
1229: }
1230: if (line.len && line.ptr[0] == '/')
1231: {
1232: if (line.len + 1 > sizeof(pattern))
1233: {
1234: DBG1(DBG_CFG, "include pattern too long, ignored");
1235: continue;
1236: }
1237: snprintf(pattern, sizeof(pattern), "%.*s",
1238: (int)line.len, line.ptr);
1239: }
1240: else
1241: { /* use directory of current file if relative */
1242: dir = path_dirname(file);
1243:
1244: if (line.len + 1 + strlen(dir) + 1 > sizeof(pattern))
1245: {
1246: DBG1(DBG_CFG, "include pattern too long, ignored");
1247: free(dir);
1248: continue;
1249: }
1250: snprintf(pattern, sizeof(pattern), "%s/%.*s",
1251: dir, (int)line.len, line.ptr);
1252: free(dir);
1253: }
1254: #ifdef HAVE_GLOB_H
1255: {
1256: glob_t buf;
1257: if (glob(pattern, GLOB_ERR, NULL, &buf) != 0)
1258: {
1259: DBG1(DBG_CFG, "expanding file expression '%s' failed",
1260: pattern);
1261: }
1262: else
1263: {
1264: for (expanded = buf.gl_pathv; *expanded != NULL; expanded++)
1265: {
1266: load_secrets(this, secrets, *expanded, level + 1,
1267: prompt);
1268: }
1269: }
1270: globfree(&buf);
1271: }
1272: #else /* HAVE_GLOB_H */
1273: /* if glob(3) is not available, try to load pattern directly */
1274: load_secrets(this, secrets, pattern, level + 1, prompt);
1275: #endif /* HAVE_GLOB_H */
1276: continue;
1277: }
1278:
1279: if (line.len > 2 && strpfx(line.ptr, ": "))
1280: {
1281: /* no ids, skip the ':' */
1282: ids = chunk_empty;
1283: line.ptr++;
1284: line.len--;
1285: }
1286: else if (extract_token_str(&ids, " : ", &line))
1287: {
1288: /* NULL terminate the extracted id string */
1289: *(ids.ptr + ids.len) = '\0';
1290: }
1291: else
1292: {
1293: DBG1(DBG_CFG, "line %d: missing ' : ' separator", line_nr);
1294: break;
1295: }
1296:
1297: if (!eat_whitespace(&line) || !extract_token(&token, ' ', &line))
1298: {
1299: DBG1(DBG_CFG, "line %d: missing token", line_nr);
1300: break;
1301: }
1302: if (match("RSA", &token) || match("ECDSA", &token) ||
1303: match("BLISS", &token) || match("PKCS8", &token))
1304: {
1305: if (match("RSA", &token))
1306: {
1307: key_type = KEY_RSA;
1308: }
1309: else if (match("ECDSA", &token))
1310: {
1311: key_type = KEY_ECDSA;
1312: }
1313: else if (match("BLISS", &token))
1314: {
1315: key_type = KEY_BLISS;
1316: }
1317: else
1318: {
1319: key_type = KEY_ANY;
1320: }
1321: if (!load_private(secrets, line, line_nr, prompt, key_type))
1322: {
1323: break;
1324: }
1325: }
1326: else if (match("P12", &token))
1327: {
1328: if (!load_pkcs12(this, secrets, line, line_nr, prompt))
1329: {
1330: break;
1331: }
1332: }
1333: else if (match("PIN", &token))
1334: {
1335: if (!load_pin(secrets, line, line_nr, prompt))
1336: {
1337: break;
1338: }
1339: }
1340: else if ((match("PSK", &token) && (type = SHARED_IKE)) ||
1341: (match("EAP", &token) && (type = SHARED_EAP)) ||
1342: (match("NTLM", &token) && (type = SHARED_NT_HASH)) ||
1343: (match("XAUTH", &token) && (type = SHARED_EAP)))
1344: {
1345: if (!load_shared(secrets, line, line_nr, type, ids))
1346: {
1347: break;
1348: }
1349: }
1350: else
1351: {
1352: DBG1(DBG_CFG, "line %d: token must be either RSA, ECDSA, BLISS, "
1353: "PKCS8 P12, PIN, PSK, EAP, XAUTH or NTLM", line_nr);
1354: break;
1355: }
1356: }
1357: chunk_unmap(src);
1358:
1359: if (level == 0)
1360: { /* replace secrets in active credential set */
1361: this->creds->replace_secrets(this->creds, secrets, FALSE);
1362: secrets->destroy(secrets);
1363: }
1364: }
1365:
1366: /**
1367: * load all certificates from ipsec.d
1368: */
1369: static void load_certs(private_stroke_cred_t *this)
1370: {
1371: mem_cred_t *creds;
1372:
1373: DBG1(DBG_CFG, "loading ca certificates from '%s'",
1374: CA_CERTIFICATE_DIR);
1375: creds = mem_cred_create();
1376: load_certdir(this, CA_CERTIFICATE_DIR, CERT_X509, X509_CA, creds);
1377: this->ca->replace_certs(this->ca, creds);
1378: creds->destroy(creds);
1379:
1380: DBG1(DBG_CFG, "loading aa certificates from '%s'",
1381: AA_CERTIFICATE_DIR);
1382: load_certdir(this, AA_CERTIFICATE_DIR, CERT_X509, X509_AA, this->aacerts);
1383:
1384: DBG1(DBG_CFG, "loading ocsp signer certificates from '%s'",
1385: OCSP_CERTIFICATE_DIR);
1386: load_certdir(this, OCSP_CERTIFICATE_DIR, CERT_X509, X509_OCSP_SIGNER,
1387: this->creds);
1388:
1389: DBG1(DBG_CFG, "loading attribute certificates from '%s'",
1390: ATTR_CERTIFICATE_DIR);
1391: load_certdir(this, ATTR_CERTIFICATE_DIR, CERT_X509_AC, 0, this->creds);
1392:
1393: DBG1(DBG_CFG, "loading crls from '%s'",
1394: CRL_DIR);
1395: load_certdir(this, CRL_DIR, CERT_X509_CRL, 0, this->creds);
1396: }
1397:
1398: METHOD(stroke_cred_t, reread, void,
1399: private_stroke_cred_t *this, stroke_msg_t *msg, FILE *prompt)
1400: {
1401: mem_cred_t *creds;
1402:
1403: if (msg->reread.flags & REREAD_SECRETS)
1404: {
1405: DBG1(DBG_CFG, "rereading secrets");
1406: load_secrets(this, NULL, this->secrets_file, 0, prompt);
1407: }
1408: if (msg->reread.flags & REREAD_CACERTS)
1409: {
1410: /* first reload certificates in ca sections, so we can refer to them */
1411: this->ca->reload_certs(this->ca);
1412:
1413: DBG1(DBG_CFG, "rereading ca certificates from '%s'",
1414: CA_CERTIFICATE_DIR);
1415: creds = mem_cred_create();
1416: load_certdir(this, CA_CERTIFICATE_DIR, CERT_X509, X509_CA, creds);
1417: this->ca->replace_certs(this->ca, creds);
1418: creds->destroy(creds);
1419: }
1420: if (msg->reread.flags & REREAD_AACERTS)
1421: {
1422: DBG1(DBG_CFG, "rereading aa certificates from '%s'",
1423: AA_CERTIFICATE_DIR);
1424: creds = mem_cred_create();
1425: load_certdir(this, AA_CERTIFICATE_DIR, CERT_X509, X509_AA, creds);
1426: this->aacerts->replace_certs(this->aacerts, creds, FALSE);
1427: creds->destroy(creds);
1428: lib->credmgr->flush_cache(lib->credmgr, CERT_X509);
1429: }
1430: if (msg->reread.flags & REREAD_OCSPCERTS)
1431: {
1432: DBG1(DBG_CFG, "rereading ocsp signer certificates from '%s'",
1433: OCSP_CERTIFICATE_DIR);
1434: load_certdir(this, OCSP_CERTIFICATE_DIR, CERT_X509,
1435: X509_OCSP_SIGNER, this->creds);
1436: }
1437: if (msg->reread.flags & REREAD_ACERTS)
1438: {
1439: DBG1(DBG_CFG, "rereading attribute certificates from '%s'",
1440: ATTR_CERTIFICATE_DIR);
1441: load_certdir(this, ATTR_CERTIFICATE_DIR, CERT_X509_AC, 0, this->creds);
1442: }
1443: if (msg->reread.flags & REREAD_CRLS)
1444: {
1445: DBG1(DBG_CFG, "rereading crls from '%s'",
1446: CRL_DIR);
1447: load_certdir(this, CRL_DIR, CERT_X509_CRL, 0, this->creds);
1448: }
1449: }
1450:
1451: METHOD(stroke_cred_t, add_shared, void,
1452: private_stroke_cred_t *this, shared_key_t *shared, linked_list_t *owners)
1453: {
1454: this->creds->add_shared_list(this->creds, shared, owners);
1455: }
1456:
1457: METHOD(stroke_cred_t, destroy, void,
1458: private_stroke_cred_t *this)
1459: {
1460: lib->credmgr->remove_set(lib->credmgr, &this->aacerts->set);
1461: lib->credmgr->remove_set(lib->credmgr, &this->creds->set);
1462: this->aacerts->destroy(this->aacerts);
1463: this->creds->destroy(this->creds);
1464: free(this);
1465: }
1466:
1467: /*
1468: * see header file
1469: */
1470: stroke_cred_t *stroke_cred_create(stroke_ca_t *ca)
1471: {
1472: private_stroke_cred_t *this;
1473:
1474: INIT(this,
1475: .public = {
1476: .set = {
1477: .create_private_enumerator = (void*)return_null,
1478: .create_cert_enumerator = (void*)return_null,
1479: .create_shared_enumerator = (void*)return_null,
1480: .create_cdp_enumerator = (void*)return_null,
1481: .cache_cert = (void*)_cache_cert,
1482: },
1483: .reread = _reread,
1484: .load_peer = _load_peer,
1485: .load_pubkey = _load_pubkey,
1486: .add_shared = _add_shared,
1487: .cachecrl = _cachecrl,
1488: .destroy = _destroy,
1489: },
1490: .secrets_file = lib->settings->get_str(lib->settings,
1491: "%s.plugins.stroke.secrets_file", SECRETS_FILE,
1492: lib->ns),
1493: .creds = mem_cred_create(),
1494: .aacerts = mem_cred_create(),
1495: .ca = ca,
1496: );
1497:
1498: if (lib->settings->get_bool(lib->settings, "%s.cache_crls", FALSE, lib->ns))
1499: {
1500: cachecrl(this, TRUE);
1501: }
1502: lib->credmgr->add_set(lib->credmgr, &this->creds->set);
1503: lib->credmgr->add_set(lib->credmgr, &this->aacerts->set);
1504:
1505: this->force_ca_cert = lib->settings->get_bool(lib->settings,
1506: "%s.plugins.stroke.ignore_missing_ca_basic_constraint",
1507: FALSE, lib->ns);
1508:
1509: load_certs(this);
1510: load_secrets(this, NULL, this->secrets_file, 0, NULL);
1511:
1512: return &this->public;
1513: }