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/>.
25 #define DBGC_CLASS DBGC_WINBIND
27 #define MAX_CACHED_LOGINS 10
29 NTSTATUS winbindd_get_creds(struct winbindd_domain *domain,
32 struct netr_SamInfo3 **info3,
33 const uint8 *cached_nt_pass[NT_HASH_LEN],
34 const uint8 *cred_salt[NT_HASH_LEN])
36 struct netr_SamInfo3 *info;
39 status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass, cred_salt);
40 if (!NT_STATUS_IS_OK(status)) {
44 info = netsamlogon_cache_get(mem_ctx, sid);
46 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
55 NTSTATUS winbindd_store_creds(struct winbindd_domain *domain,
59 struct netr_SamInfo3 *info3,
60 const DOM_SID *user_sid)
63 uchar nt_pass[NT_HASH_LEN];
69 sid_copy(&sid, info3->base.domain_sid);
70 sid_append_rid(&sid, info3->base.rid);
71 sid_copy(&cred_sid, &sid);
72 info3->base.user_flags |= NETLOGON_CACHED_ACCOUNT;
74 } else if (user_sid != NULL) {
76 sid_copy(&cred_sid, user_sid);
78 } else if (user != NULL) {
80 /* do lookup ourself */
82 enum lsa_SidType type;
84 if (!lookup_cached_name(mem_ctx,
89 return NT_STATUS_NO_SUCH_USER;
92 return NT_STATUS_INVALID_PARAMETER;
99 status = wcache_count_cached_creds(domain, &count);
100 if (!NT_STATUS_IS_OK(status)) {
104 DEBUG(11,("we have %d cached creds\n", count));
106 if (count + 1 > MAX_CACHED_LOGINS) {
108 DEBUG(10,("need to delete the oldest cached login\n"));
110 status = wcache_remove_oldest_cached_creds(domain, &cred_sid);
111 if (!NT_STATUS_IS_OK(status)) {
112 DEBUG(10,("failed to remove oldest cached cred: %s\n",
118 E_md4hash(pass, nt_pass);
120 dump_data_pw("nt_pass", nt_pass, NT_HASH_LEN);
122 status = wcache_save_creds(domain, mem_ctx, &cred_sid, nt_pass);
123 if (!NT_STATUS_IS_OK(status)) {
128 if (info3 != NULL && user != NULL) {
129 if (!netsamlogon_cache_store(user, info3)) {
130 return NT_STATUS_ACCESS_DENIED;
137 NTSTATUS winbindd_update_creds_by_info3(struct winbindd_domain *domain,
141 struct netr_SamInfo3 *info3)
143 return winbindd_store_creds(domain, mem_ctx, user, pass, info3, NULL);
146 NTSTATUS winbindd_update_creds_by_sid(struct winbindd_domain *domain,
151 return winbindd_store_creds(domain, mem_ctx, NULL, pass, NULL, sid);
154 NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain,
159 return winbindd_store_creds(domain, mem_ctx, user, pass, NULL, NULL);