2 Unix SMB/CIFS implementation.
3 Copyright (C) Andrew Tridgell 1992-2001
4 Copyright (C) Andrew Bartlett 2002
5 Copyright (C) Rafal Szczesniak 2002
6 Copyright (C) Tim Potter 2001
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 /* the Samba secrets database stores any generated, private information
24 such as the local SID and machine trust password */
29 #define DBGC_CLASS DBGC_PASSDB
31 static TDB_CONTEXT
*tdb
;
33 /* Urrrg. global.... */
34 BOOL global_machine_password_needs_changing
;
37 * Use a TDB to store an incrementing random seed.
39 * Initialised to the current pid, the very first time Samba starts,
40 * and incremented by one each time it is needed.
42 * @note Not called by systems with a working /dev/urandom.
44 static void get_rand_seed(int *new_seed
)
46 *new_seed
= sys_getpid();
48 tdb_change_int32_atomic(tdb
, "INFO/random_seed", new_seed
, 1);
52 /* open up the secrets database */
53 BOOL
secrets_init(void)
61 pstrcpy(fname
, lp_private_dir());
62 pstrcat(fname
,"/secrets.tdb");
64 tdb
= tdb_open_log(fname
, 0, TDB_DEFAULT
, O_RDWR
|O_CREAT
, 0600);
67 DEBUG(0,("Failed to open %s\n", fname
));
72 * Set a reseed function for the crypto random generator
74 * This avoids a problem where systems without /dev/urandom
75 * could send the same challenge to multiple clients
77 set_rand_reseed_callback(get_rand_seed
);
79 /* Ensure that the reseed is done now, while we are root, etc */
80 generate_random_buffer(&dummy
, sizeof(dummy
));
85 /* read a entry from the secrets database - the caller must free the result
86 if size is non-null then the size of the entry is put in there
88 void *secrets_fetch(const char *key
, size_t *size
)
94 dbuf
= tdb_fetch(tdb
, string_tdb_data(key
));
100 /* store a secrets entry
102 BOOL
secrets_store(const char *key
, const void *data
, size_t size
)
107 return tdb_store(tdb
, string_tdb_data(key
), make_tdb_data(data
, size
),
112 /* delete a secets database entry
114 BOOL
secrets_delete(const char *key
)
119 return tdb_delete(tdb
, string_tdb_data(key
)) == 0;
122 BOOL
secrets_store_domain_sid(const char *domain
, const DOM_SID
*sid
)
127 slprintf(key
, sizeof(key
)-1, "%s/%s", SECRETS_DOMAIN_SID
, domain
);
129 ret
= secrets_store(key
, sid
, sizeof(DOM_SID
));
131 /* Force a re-query, in case we modified our domain */
133 reset_global_sam_sid();
137 BOOL
secrets_fetch_domain_sid(const char *domain
, DOM_SID
*sid
)
143 slprintf(key
, sizeof(key
)-1, "%s/%s", SECRETS_DOMAIN_SID
, domain
);
145 dyn_sid
= (DOM_SID
*)secrets_fetch(key
, &size
);
150 if (size
!= sizeof(DOM_SID
)) {
160 BOOL
secrets_store_domain_guid(const char *domain
, struct uuid
*guid
)
164 slprintf(key
, sizeof(key
)-1, "%s/%s", SECRETS_DOMAIN_GUID
, domain
);
166 return secrets_store(key
, guid
, sizeof(struct uuid
));
169 BOOL
secrets_fetch_domain_guid(const char *domain
, struct uuid
*guid
)
171 struct uuid
*dyn_guid
;
174 struct uuid new_guid
;
176 slprintf(key
, sizeof(key
)-1, "%s/%s", SECRETS_DOMAIN_GUID
, domain
);
178 dyn_guid
= (struct uuid
*)secrets_fetch(key
, &size
);
180 if ((!dyn_guid
) && (lp_server_role() == ROLE_DOMAIN_PDC
)) {
181 smb_uuid_generate_random(&new_guid
);
182 if (!secrets_store_domain_guid(domain
, &new_guid
))
184 dyn_guid
= (struct uuid
*)secrets_fetch(key
, &size
);
185 if (dyn_guid
== NULL
)
189 if (size
!= sizeof(struct uuid
)) {
190 DEBUG(1,("UUID size %d is wrong!\n", (int)size
));
201 * Form a key for fetching the machine trust account password
203 * @param domain domain name
205 * @return stored password's key
207 const char *trust_keystr(const char *domain
)
209 static fstring keystr
;
211 slprintf(keystr
,sizeof(keystr
)-1,"%s/%s",
212 SECRETS_MACHINE_ACCT_PASS
, domain
);
219 * Form a key for fetching a trusted domain password
221 * @param domain trusted domain name
223 * @return stored password's key
225 static char *trustdom_keystr(const char *domain
)
227 static pstring keystr
;
229 pstr_sprintf(keystr
, "%s/%s", SECRETS_DOMTRUST_ACCT_PASS
, domain
);
235 /************************************************************************
236 Lock the trust password entry.
237 ************************************************************************/
239 BOOL
secrets_lock_trust_account_password(const char *domain
, BOOL dolock
)
245 return (tdb_lock_bystring(tdb
, trust_keystr(domain
),0) == 0);
247 tdb_unlock_bystring(tdb
, trust_keystr(domain
));
251 /************************************************************************
252 Routine to get the default secure channel type for trust accounts
253 ************************************************************************/
255 uint32
get_default_sec_channel(void)
257 if (lp_server_role() == ROLE_DOMAIN_BDC
||
258 lp_server_role() == ROLE_DOMAIN_PDC
) {
261 return SEC_CHAN_WKSTA
;
265 /************************************************************************
266 Routine to get the trust account password for a domain.
267 The user of this function must have locked the trust password file using
268 the above secrets_lock_trust_account_password().
269 ************************************************************************/
271 BOOL
secrets_fetch_trust_account_password(const char *domain
, uint8 ret_pwd
[16],
272 time_t *pass_last_set_time
,
275 struct machine_acct_pass
*pass
;
279 plaintext
= secrets_fetch_machine_password(domain
, pass_last_set_time
,
282 DEBUG(4,("Using cleartext machine password\n"));
283 E_md4hash(plaintext
, ret_pwd
);
284 SAFE_FREE(plaintext
);
288 if (!(pass
= secrets_fetch(trust_keystr(domain
), &size
))) {
289 DEBUG(5, ("secrets_fetch failed!\n"));
293 if (size
!= sizeof(*pass
)) {
294 DEBUG(0, ("secrets were of incorrect size!\n"));
298 if (pass_last_set_time
) {
299 *pass_last_set_time
= pass
->mod_time
;
301 memcpy(ret_pwd
, pass
->hash
, 16);
304 *channel
= get_default_sec_channel();
307 /* Test if machine password has expired and needs to be changed */
308 if (lp_machine_password_timeout()) {
309 if (pass
->mod_time
> 0 && time(NULL
) > (pass
->mod_time
+
310 lp_machine_password_timeout())) {
311 global_machine_password_needs_changing
= True
;
319 /************************************************************************
320 Routine to get account password to trusted domain
321 ************************************************************************/
323 BOOL
secrets_fetch_trusted_domain_password(const char *domain
, char** pwd
,
324 DOM_SID
*sid
, time_t *pass_last_set_time
)
326 struct trusted_dom_pass pass
;
329 /* unpacking structures */
335 /* fetching trusted domain password structure */
336 if (!(pass_buf
= secrets_fetch(trustdom_keystr(domain
), &size
))) {
337 DEBUG(5, ("secrets_fetch failed!\n"));
341 /* unpack trusted domain password */
342 pass_len
= tdb_trusted_dom_pass_unpack(pass_buf
, size
, &pass
);
345 if (pass_len
!= size
) {
346 DEBUG(5, ("Invalid secrets size. Unpacked data doesn't match trusted_dom_pass structure.\n"));
350 /* the trust's password */
352 *pwd
= SMB_STRDUP(pass
.pass
);
358 /* last change time */
359 if (pass_last_set_time
) *pass_last_set_time
= pass
.mod_time
;
362 if (sid
!= NULL
) sid_copy(sid
, &pass
.domain_sid
);
367 /************************************************************************
368 Routine to set the trust account password for a domain.
369 ************************************************************************/
371 BOOL
secrets_store_trust_account_password(const char *domain
, uint8 new_pwd
[16])
373 struct machine_acct_pass pass
;
375 pass
.mod_time
= time(NULL
);
376 memcpy(pass
.hash
, new_pwd
, 16);
378 return secrets_store(trust_keystr(domain
), (void *)&pass
, sizeof(pass
));
382 * Routine to store the password for trusted domain
384 * @param domain remote domain name
385 * @param pwd plain text password of trust relationship
386 * @param sid remote domain sid
388 * @return true if succeeded
391 BOOL
secrets_store_trusted_domain_password(const char* domain
, const char* pwd
,
394 smb_ucs2_t
*uni_dom_name
;
396 /* packing structures */
399 int pass_buf_len
= sizeof(pass_buf
);
401 struct trusted_dom_pass pass
;
404 if (push_ucs2_allocate(&uni_dom_name
, domain
) < 0) {
405 DEBUG(0, ("Could not convert domain name %s to unicode\n",
410 strncpy_w(pass
.uni_name
, uni_dom_name
, sizeof(pass
.uni_name
) - 1);
411 pass
.uni_name_len
= strlen_w(uni_dom_name
)+1;
413 /* last change time */
414 pass
.mod_time
= time(NULL
);
416 /* password of the trust */
417 pass
.pass_len
= strlen(pwd
);
418 fstrcpy(pass
.pass
, pwd
);
421 sid_copy(&pass
.domain_sid
, sid
);
423 pass_len
= tdb_trusted_dom_pass_pack(pass_buf
, pass_buf_len
, &pass
);
425 return secrets_store(trustdom_keystr(domain
), (void *)&pass_buf
, pass_len
);
428 /************************************************************************
429 Routine to set the plaintext machine account password for a realm
430 the password is assumed to be a null terminated ascii string
431 ************************************************************************/
433 BOOL
secrets_store_machine_password(const char *pass
, const char *domain
, uint32 sec_channel
)
437 uint32 last_change_time
;
438 uint32 sec_channel_type
;
440 asprintf(&key
, "%s/%s", SECRETS_MACHINE_PASSWORD
, domain
);
445 ret
= secrets_store(key
, pass
, strlen(pass
)+1);
451 asprintf(&key
, "%s/%s", SECRETS_MACHINE_LAST_CHANGE_TIME
, domain
);
456 SIVAL(&last_change_time
, 0, time(NULL
));
457 ret
= secrets_store(key
, &last_change_time
, sizeof(last_change_time
));
460 asprintf(&key
, "%s/%s", SECRETS_MACHINE_SEC_CHANNEL_TYPE
, domain
);
465 SIVAL(&sec_channel_type
, 0, sec_channel
);
466 ret
= secrets_store(key
, &sec_channel_type
, sizeof(sec_channel_type
));
472 /************************************************************************
473 Routine to fetch the plaintext machine account password for a realm
474 the password is assumed to be a null terminated ascii string.
475 ************************************************************************/
477 char *secrets_fetch_machine_password(const char *domain
,
478 time_t *pass_last_set_time
,
483 asprintf(&key
, "%s/%s", SECRETS_MACHINE_PASSWORD
, domain
);
485 ret
= (char *)secrets_fetch(key
, NULL
);
488 if (pass_last_set_time
) {
490 uint32
*last_set_time
;
491 asprintf(&key
, "%s/%s", SECRETS_MACHINE_LAST_CHANGE_TIME
, domain
);
493 last_set_time
= secrets_fetch(key
, &size
);
495 *pass_last_set_time
= IVAL(last_set_time
,0);
496 SAFE_FREE(last_set_time
);
498 *pass_last_set_time
= 0;
505 uint32
*channel_type
;
506 asprintf(&key
, "%s/%s", SECRETS_MACHINE_SEC_CHANNEL_TYPE
, domain
);
508 channel_type
= secrets_fetch(key
, &size
);
510 *channel
= IVAL(channel_type
,0);
511 SAFE_FREE(channel_type
);
513 *channel
= get_default_sec_channel();
521 /*******************************************************************
522 Wrapper around retrieving the trust account password
523 *******************************************************************/
525 BOOL
get_trust_pw(const char *domain
, uint8 ret_pwd
[16], uint32
*channel
)
529 time_t last_set_time
;
531 /* if we are a DC and this is not our domain, then lookup an account
532 for the domain trust */
534 if ( IS_DC
&& !strequal(domain
, lp_workgroup()) && lp_allow_trusted_domains() ) {
535 if (!secrets_fetch_trusted_domain_password(domain
, &pwd
, &sid
,
537 DEBUG(0, ("get_trust_pw: could not fetch trust "
538 "account password for trusted domain %s\n",
543 *channel
= SEC_CHAN_DOMAIN
;
544 E_md4hash(pwd
, ret_pwd
);
550 /* Just get the account for the requested domain. In the future this
551 * might also cover to be member of more than one domain. */
553 if (secrets_fetch_trust_account_password(domain
, ret_pwd
,
554 &last_set_time
, channel
))
557 DEBUG(5, ("get_trust_pw: could not fetch trust account "
558 "password for domain %s\n", domain
));
562 /************************************************************************
563 Routine to delete the machine trust account password file for a domain.
564 ************************************************************************/
566 BOOL
trust_password_delete(const char *domain
)
568 return secrets_delete(trust_keystr(domain
));
571 /************************************************************************
572 Routine to delete the password for trusted domain
573 ************************************************************************/
575 BOOL
trusted_domain_password_delete(const char *domain
)
577 return secrets_delete(trustdom_keystr(domain
));
580 BOOL
secrets_store_ldap_pw(const char* dn
, char* pw
)
585 if (asprintf(&key
, "%s/%s", SECRETS_LDAP_BIND_PW
, dn
) < 0) {
586 DEBUG(0, ("secrets_store_ldap_pw: asprintf failed!\n"));
590 ret
= secrets_store(key
, pw
, strlen(pw
)+1);
596 /*******************************************************************
597 Find the ldap password.
598 ******************************************************************/
600 BOOL
fetch_ldap_pw(char **dn
, char** pw
)
605 *dn
= smb_xstrdup(lp_ldap_admin_dn());
607 if (asprintf(&key
, "%s/%s", SECRETS_LDAP_BIND_PW
, *dn
) < 0) {
609 DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
612 *pw
=secrets_fetch(key
, &size
);
616 /* Upgrade 2.2 style entry */
618 char* old_style_key
= SMB_STRDUP(*dn
);
620 fstring old_style_pw
;
622 if (!old_style_key
) {
623 DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
627 for (p
=old_style_key
; *p
; p
++)
628 if (*p
== ',') *p
= '/';
630 data
=secrets_fetch(old_style_key
, &size
);
631 if (!size
&& size
< sizeof(old_style_pw
)) {
632 DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
633 SAFE_FREE(old_style_key
);
638 size
= MIN(size
, sizeof(fstring
)-1);
639 strncpy(old_style_pw
, data
, size
);
640 old_style_pw
[size
] = 0;
644 if (!secrets_store_ldap_pw(*dn
, old_style_pw
)) {
645 DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
646 SAFE_FREE(old_style_key
);
650 if (!secrets_delete(old_style_key
)) {
651 DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
654 SAFE_FREE(old_style_key
);
656 *pw
= smb_xstrdup(old_style_pw
);
663 * Get trusted domains info from secrets.tdb.
666 NTSTATUS
secrets_trusted_domains(TALLOC_CTX
*mem_ctx
, uint32
*num_domains
,
667 struct trustdom_info
***domains
)
669 TDB_LIST_NODE
*keys
, *k
;
672 if (!secrets_init()) return NT_STATUS_ACCESS_DENIED
;
674 /* generate searching pattern */
675 pattern
= talloc_asprintf(mem_ctx
, "%s/*", SECRETS_DOMTRUST_ACCT_PASS
);
676 if (pattern
== NULL
) {
677 DEBUG(0, ("secrets_trusted_domains: talloc_asprintf() "
679 return NT_STATUS_NO_MEMORY
;
685 /* fetching trusted domains' data and collecting them in a list */
686 keys
= tdb_search_keys(tdb
, pattern
);
688 /* searching for keys in secrets db -- way to go ... */
689 for (k
= keys
; k
; k
= k
->next
) {
691 size_t size
= 0, packed_size
= 0;
692 struct trusted_dom_pass pass
;
694 struct trustdom_info
*dom_info
;
696 /* important: ensure null-termination of the key string */
697 secrets_key
= talloc_strndup(mem_ctx
,
701 DEBUG(0, ("strndup failed!\n"));
702 return NT_STATUS_NO_MEMORY
;
705 packed_pass
= secrets_fetch(secrets_key
, &size
);
706 packed_size
= tdb_trusted_dom_pass_unpack(packed_pass
, size
,
708 /* packed representation isn't needed anymore */
709 SAFE_FREE(packed_pass
);
711 if (size
!= packed_size
) {
712 DEBUG(2, ("Secrets record %s is invalid!\n",
717 if (pass
.domain_sid
.num_auths
!= 4) {
718 DEBUG(0, ("SID %s is not a domain sid, has %d "
719 "auths instead of 4\n",
720 sid_string_static(&pass
.domain_sid
),
721 pass
.domain_sid
.num_auths
));
725 dom_info
= TALLOC_P(mem_ctx
, struct trustdom_info
);
726 if (dom_info
== NULL
) {
727 DEBUG(0, ("talloc failed\n"));
728 return NT_STATUS_NO_MEMORY
;
731 if (pull_ucs2_talloc(mem_ctx
, &dom_info
->name
,
732 pass
.uni_name
) < 0) {
733 DEBUG(2, ("pull_ucs2_talloc failed\n"));
734 return NT_STATUS_NO_MEMORY
;
737 sid_copy(&dom_info
->sid
, &pass
.domain_sid
);
739 ADD_TO_ARRAY(mem_ctx
, struct trustdom_info
*, dom_info
,
740 domains
, num_domains
);
742 if (*domains
== NULL
) {
743 return NT_STATUS_NO_MEMORY
;
745 talloc_steal(*domains
, dom_info
);
748 DEBUG(5, ("secrets_get_trusted_domains: got %d domains\n",
751 /* free the results of searching the keys */
752 tdb_search_list_free(keys
);
757 /*******************************************************************************
758 Lock the secrets tdb based on a string - this is used as a primitive form of mutex
759 between smbd instances.
760 *******************************************************************************/
762 BOOL
secrets_named_mutex(const char *name
, unsigned int timeout
)
769 ret
= tdb_lock_bystring(tdb
, name
, timeout
);
771 DEBUG(10,("secrets_named_mutex: got mutex for %s\n", name
));
776 /*******************************************************************************
777 Unlock a named mutex.
778 *******************************************************************************/
780 void secrets_named_mutex_release(const char *name
)
782 tdb_unlock_bystring(tdb
, name
);
783 DEBUG(10,("secrets_named_mutex: released mutex for %s\n", name
));
786 /*******************************************************************************
787 Store a complete AFS keyfile into secrets.tdb.
788 *******************************************************************************/
790 BOOL
secrets_store_afs_keyfile(const char *cell
, const struct afs_keyfile
*keyfile
)
794 if ((cell
== NULL
) || (keyfile
== NULL
))
797 if (ntohl(keyfile
->nkeys
) > SECRETS_AFS_MAXKEYS
)
800 slprintf(key
, sizeof(key
)-1, "%s/%s", SECRETS_AFS_KEYFILE
, cell
);
801 return secrets_store(key
, keyfile
, sizeof(struct afs_keyfile
));
804 /*******************************************************************************
805 Fetch the current (highest) AFS key from secrets.tdb
806 *******************************************************************************/
807 BOOL
secrets_fetch_afs_key(const char *cell
, struct afs_key
*result
)
810 struct afs_keyfile
*keyfile
;
814 slprintf(key
, sizeof(key
)-1, "%s/%s", SECRETS_AFS_KEYFILE
, cell
);
816 keyfile
= (struct afs_keyfile
*)secrets_fetch(key
, &size
);
821 if (size
!= sizeof(struct afs_keyfile
)) {
826 i
= ntohl(keyfile
->nkeys
);
828 if (i
> SECRETS_AFS_MAXKEYS
) {
833 *result
= keyfile
->entry
[i
-1];
835 result
->kvno
= ntohl(result
->kvno
);
840 /******************************************************************************
841 When kerberos is not available, choose between anonymous or
842 authenticated connections.
844 We need to use an authenticated connection if DCs have the
845 RestrictAnonymous registry entry set > 0, or the "Additional
846 restrictions for anonymous connections" set in the win2k Local
849 Caller to free() result in domain, username, password
850 *******************************************************************************/
851 void secrets_fetch_ipc_userpass(char **username
, char **domain
, char **password
)
853 *username
= secrets_fetch(SECRETS_AUTH_USER
, NULL
);
854 *domain
= secrets_fetch(SECRETS_AUTH_DOMAIN
, NULL
);
855 *password
= secrets_fetch(SECRETS_AUTH_PASSWORD
, NULL
);
857 if (*username
&& **username
) {
859 if (!*domain
|| !**domain
)
860 *domain
= smb_xstrdup(lp_workgroup());
862 if (!*password
|| !**password
)
863 *password
= smb_xstrdup("");
865 DEBUG(3, ("IPC$ connections done by user %s\\%s\n",
866 *domain
, *username
));
869 DEBUG(3, ("IPC$ connections done anonymously\n"));
870 *username
= smb_xstrdup("");
871 *domain
= smb_xstrdup("");
872 *password
= smb_xstrdup("");
876 /******************************************************************************
877 Open or create the schannel session store tdb.
878 *******************************************************************************/
880 static TDB_CONTEXT
*open_schannel_session_store(TALLOC_CTX
*mem_ctx
)
884 TDB_CONTEXT
*tdb_sc
= NULL
;
885 char *fname
= talloc_asprintf(mem_ctx
, "%s/schannel_store.tdb", lp_private_dir());
891 tdb_sc
= tdb_open_log(fname
, 0, TDB_DEFAULT
, O_RDWR
|O_CREAT
, 0600);
894 DEBUG(0,("open_schannel_session_store: Failed to open %s\n", fname
));
899 vers
= tdb_fetch_bystring(tdb_sc
, "SCHANNEL_STORE_VERSION");
900 if (vers
.dptr
== NULL
) {
901 /* First opener, no version. */
903 vers
.dptr
= (char *)&ver
;
905 tdb_store_bystring(tdb_sc
, "SCHANNEL_STORE_VERSION", vers
, TDB_REPLACE
);
907 } else if (vers
.dsize
== 4) {
908 ver
= IVAL(vers
.dptr
,0);
912 DEBUG(0,("open_schannel_session_store: wrong version number %d in %s\n",
918 DEBUG(0,("open_schannel_session_store: wrong version number size %d in %s\n",
919 (int)vers
.dsize
, fname
));
922 SAFE_FREE(vers
.dptr
);
928 /******************************************************************************
929 Store the schannel state after an AUTH2 call.
930 Note we must be root here.
931 *******************************************************************************/
933 BOOL
secrets_store_schannel_session_info(TALLOC_CTX
*mem_ctx
, const struct dcinfo
*pdc
)
935 TDB_CONTEXT
*tdb_sc
= NULL
;
938 char *keystr
= talloc_asprintf(mem_ctx
, "%s/%s", SECRETS_SCHANNEL_STATE
,
939 pdc
->remote_machine
);
946 /* Work out how large the record is. */
947 value
.dsize
= tdb_pack(NULL
, 0, "dBBBBBfff",
949 8, pdc
->seed_chal
.data
,
950 8, pdc
->clnt_chal
.data
,
951 8, pdc
->srv_chal
.data
,
958 value
.dptr
= TALLOC(mem_ctx
, value
.dsize
);
964 value
.dsize
= tdb_pack(value
.dptr
, value
.dsize
, "dBBBBBfff",
966 8, pdc
->seed_chal
.data
,
967 8, pdc
->clnt_chal
.data
,
968 8, pdc
->srv_chal
.data
,
975 tdb_sc
= open_schannel_session_store(mem_ctx
);
978 talloc_free(value
.dptr
);
982 ret
= (tdb_store_bystring(tdb_sc
, keystr
, value
, TDB_REPLACE
) == 0 ? True
: False
);
984 DEBUG(3,("secrets_store_schannel_session_info: stored schannel info with key %s\n",
989 talloc_free(value
.dptr
);
993 /******************************************************************************
994 Restore the schannel state on a client reconnect.
995 Note we must be root here.
996 *******************************************************************************/
998 BOOL
secrets_restore_schannel_session_info(TALLOC_CTX
*mem_ctx
,
999 const char *remote_machine
,
1002 TDB_CONTEXT
*tdb_sc
= NULL
;
1004 unsigned char *pseed_chal
= NULL
;
1005 unsigned char *pclnt_chal
= NULL
;
1006 unsigned char *psrv_chal
= NULL
;
1007 unsigned char *psess_key
= NULL
;
1008 unsigned char *pmach_pw
= NULL
;
1009 uint32 l1
, l2
, l3
, l4
, l5
;
1011 char *keystr
= talloc_asprintf(mem_ctx
, "%s/%s", SECRETS_SCHANNEL_STATE
,
1022 tdb_sc
= open_schannel_session_store(mem_ctx
);
1024 talloc_free(keystr
);
1028 value
= tdb_fetch_bystring(tdb_sc
, keystr
);
1030 DEBUG(0,("secrets_restore_schannel_session_info: Failed to find entry with key %s\n",
1038 /* Retrieve the record. */
1039 ret
= tdb_unpack(value
.dptr
, value
.dsize
, "dBBBBBfff",
1047 &pdc
->remote_machine
,
1050 if (ret
== -1 || l1
!= 8 || l2
!= 8 || l3
!= 8 || l4
!= 8 || l5
!= 16) {
1051 talloc_free(keystr
);
1052 SAFE_FREE(pseed_chal
);
1053 SAFE_FREE(pclnt_chal
);
1054 SAFE_FREE(psrv_chal
);
1055 SAFE_FREE(psess_key
);
1056 SAFE_FREE(pmach_pw
);
1057 SAFE_FREE(value
.dptr
);
1062 memcpy(pdc
->seed_chal
.data
, pseed_chal
, 8);
1063 memcpy(pdc
->clnt_chal
.data
, pclnt_chal
, 8);
1064 memcpy(pdc
->srv_chal
.data
, psrv_chal
, 8);
1065 memcpy(pdc
->sess_key
, psess_key
, 8);
1066 memcpy(pdc
->mach_pw
, pmach_pw
, 16);
1068 /* We know these are true so didn't bother to store them. */
1069 pdc
->challenge_sent
= True
;
1070 pdc
->authenticated
= True
;
1072 DEBUG(3,("secrets_store_schannel_session_info: restored schannel info key %s\n",
1075 SAFE_FREE(pseed_chal
);
1076 SAFE_FREE(pclnt_chal
);
1077 SAFE_FREE(psrv_chal
);
1078 SAFE_FREE(psess_key
);
1079 SAFE_FREE(pmach_pw
);
1081 talloc_free(keystr
);
1082 SAFE_FREE(value
.dptr
);