2 Unix SMB/CIFS implementation.
4 Winbind daemon - cached credentials funcions
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"
27 #define DBGC_CLASS DBGC_WINBIND
29 #define MAX_CACHED_LOGINS 10
31 NTSTATUS winbindd_get_creds(struct winbindd_domain *domain,
33 const struct dom_sid *sid,
34 struct netr_SamInfo3 **info3,
35 const uint8 *cached_nt_pass[NT_HASH_LEN],
36 const uint8 *cred_salt[NT_HASH_LEN])
38 struct netr_SamInfo3 *info;
41 if (!winbindd_use_cache()) {
42 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
45 status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass, cred_salt);
46 if (!NT_STATUS_IS_OK(status)) {
50 info = netsamlogon_cache_get(mem_ctx, sid);
52 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
61 NTSTATUS winbindd_store_creds(struct winbindd_domain *domain,
64 struct netr_SamInfo3 *info3)
67 uchar nt_pass[NT_HASH_LEN];
68 struct dom_sid cred_sid;
72 sid_compose(&cred_sid, info3->base.domain_sid,
74 info3->base.user_flags |= NETLOGON_CACHED_ACCOUNT;
76 } else if (user != NULL) {
78 /* do lookup ourself */
80 enum lsa_SidType type;
82 if (!lookup_cached_name(domain->name,
86 return NT_STATUS_NO_SUCH_USER;
89 return NT_STATUS_INVALID_PARAMETER;
96 status = wcache_count_cached_creds(domain, &count);
97 if (!NT_STATUS_IS_OK(status)) {
101 DEBUG(11,("we have %d cached creds\n", count));
103 if (count + 1 > MAX_CACHED_LOGINS) {
105 DEBUG(10,("need to delete the oldest cached login\n"));
107 status = wcache_remove_oldest_cached_creds(domain, &cred_sid);
108 if (!NT_STATUS_IS_OK(status)) {
109 DEBUG(10,("failed to remove oldest cached cred: %s\n",
115 E_md4hash(pass, nt_pass);
117 dump_data_pw("nt_pass", nt_pass, NT_HASH_LEN);
119 status = wcache_save_creds(domain, &cred_sid, nt_pass);
120 if (!NT_STATUS_IS_OK(status)) {
125 if (info3 != NULL && user != NULL) {
126 if (!netsamlogon_cache_store(user, info3)) {
127 return NT_STATUS_ACCESS_DENIED;
134 NTSTATUS winbindd_update_creds_by_info3(struct winbindd_domain *domain,
137 struct netr_SamInfo3 *info3)
139 return winbindd_store_creds(domain, user, pass, info3);
142 NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain,
146 return winbindd_store_creds(domain, user, pass, NULL);