2 Unix SMB/CIFS implementation.
4 Winbind daemon - cached credentials functions
6 Copyright (C) Guenther Deschner 2005
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 3 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, see <http://www.gnu.org/licenses/>.
24 #include "../libcli/auth/libcli_auth.h"
25 #include "../libcli/security/security.h"
26 #include "libsmb/samlogon_cache.h"
28 #define DBGC_CLASS DBGC_WINBIND
30 #define MAX_CACHED_LOGINS 10
32 NTSTATUS winbindd_get_creds(struct winbindd_domain *domain,
34 const struct dom_sid *sid,
35 struct netr_SamInfo3 **info3,
36 const uint8_t **cached_nt_pass,
37 const uint8_t **cred_salt)
39 struct netr_SamInfo3 *info;
42 status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass, cred_salt);
43 if (!NT_STATUS_IS_OK(status)) {
47 info = netsamlogon_cache_get(mem_ctx, sid);
49 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
58 NTSTATUS winbindd_store_creds(struct winbindd_domain *domain,
61 struct netr_SamInfo3 *info3)
64 uchar nt_pass[NT_HASH_LEN];
65 struct dom_sid cred_sid;
69 sid_compose(&cred_sid, info3->base.domain_sid,
71 info3->base.user_flags |= NETLOGON_CACHED_ACCOUNT;
73 } else if (user != NULL) {
75 /* do lookup ourself */
77 enum lsa_SidType type;
79 if (!lookup_cached_name(domain->name, /* namespace */
84 return NT_STATUS_NO_SUCH_USER;
87 return NT_STATUS_INVALID_PARAMETER;
94 status = wcache_count_cached_creds(domain, &count);
95 if (!NT_STATUS_IS_OK(status)) {
99 DEBUG(11,("we have %d cached creds\n", count));
101 if (count + 1 > MAX_CACHED_LOGINS) {
103 DEBUG(10,("need to delete the oldest cached login\n"));
105 status = wcache_remove_oldest_cached_creds(domain, &cred_sid);
106 if (!NT_STATUS_IS_OK(status)) {
107 DEBUG(10,("failed to remove oldest cached cred: %s\n",
113 E_md4hash(pass, nt_pass);
115 dump_data_pw("nt_pass", nt_pass, NT_HASH_LEN);
117 status = wcache_save_creds(domain, &cred_sid, nt_pass);
118 if (!NT_STATUS_IS_OK(status)) {
123 if (info3 != NULL && user != NULL) {
124 if (!netsamlogon_cache_store(user, info3)) {
125 return NT_STATUS_ACCESS_DENIED;
132 NTSTATUS winbindd_update_creds_by_info3(struct winbindd_domain *domain,
135 struct netr_SamInfo3 *info3)
137 return winbindd_store_creds(domain, user, pass, info3);
140 NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain,
144 return winbindd_store_creds(domain, user, pass, NULL);