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"
26 #define DBGC_CLASS DBGC_WINBIND
28 #define MAX_CACHED_LOGINS 10
30 NTSTATUS winbindd_get_creds(struct winbindd_domain *domain,
33 struct netr_SamInfo3 **info3,
34 const uint8 *cached_nt_pass[NT_HASH_LEN],
35 const uint8 *cred_salt[NT_HASH_LEN])
37 struct netr_SamInfo3 *info;
40 status = wcache_get_creds(domain, mem_ctx, sid, cached_nt_pass, cred_salt);
41 if (!NT_STATUS_IS_OK(status)) {
45 info = netsamlogon_cache_get(mem_ctx, sid);
47 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
56 NTSTATUS winbindd_store_creds(struct winbindd_domain *domain,
60 struct netr_SamInfo3 *info3,
61 const DOM_SID *user_sid)
64 uchar nt_pass[NT_HASH_LEN];
70 sid_copy(&sid, info3->base.domain_sid);
71 sid_append_rid(&sid, info3->base.rid);
72 sid_copy(&cred_sid, &sid);
73 info3->base.user_flags |= NETLOGON_CACHED_ACCOUNT;
75 } else if (user_sid != NULL) {
77 sid_copy(&cred_sid, user_sid);
79 } else if (user != NULL) {
81 /* do lookup ourself */
83 enum lsa_SidType type;
85 if (!lookup_cached_name(mem_ctx,
90 return NT_STATUS_NO_SUCH_USER;
93 return NT_STATUS_INVALID_PARAMETER;
100 status = wcache_count_cached_creds(domain, &count);
101 if (!NT_STATUS_IS_OK(status)) {
105 DEBUG(11,("we have %d cached creds\n", count));
107 if (count + 1 > MAX_CACHED_LOGINS) {
109 DEBUG(10,("need to delete the oldest cached login\n"));
111 status = wcache_remove_oldest_cached_creds(domain, &cred_sid);
112 if (!NT_STATUS_IS_OK(status)) {
113 DEBUG(10,("failed to remove oldest cached cred: %s\n",
119 E_md4hash(pass, nt_pass);
121 dump_data_pw("nt_pass", nt_pass, NT_HASH_LEN);
123 status = wcache_save_creds(domain, mem_ctx, &cred_sid, nt_pass);
124 if (!NT_STATUS_IS_OK(status)) {
129 if (info3 != NULL && user != NULL) {
130 if (!netsamlogon_cache_store(user, info3)) {
131 return NT_STATUS_ACCESS_DENIED;
138 NTSTATUS winbindd_update_creds_by_info3(struct winbindd_domain *domain,
142 struct netr_SamInfo3 *info3)
144 return winbindd_store_creds(domain, mem_ctx, user, pass, info3, NULL);
147 NTSTATUS winbindd_update_creds_by_sid(struct winbindd_domain *domain,
152 return winbindd_store_creds(domain, mem_ctx, NULL, pass, NULL, sid);
155 NTSTATUS winbindd_update_creds_by_name(struct winbindd_domain *domain,
160 return winbindd_store_creds(domain, mem_ctx, user, pass, NULL, NULL);