2 Unix SMB/CIFS implementation.
4 Winbind daemon for ntdom nss module
6 Copyright (C) Tim Potter 2000
7 Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2003
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 3 of the License, or (at your option) any later version.
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Library General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
26 #include "nsswitch/winbind_struct_protocol.h"
27 #include "nsswitch/libwbclient/wbclient.h"
28 #include "librpc/gen_ndr/dcerpc.h"
29 #include "librpc/gen_ndr/winbind.h"
31 #include "../lib/util/tevent_ntstatus.h"
37 #ifdef HAVE_SYS_MMAN_H
42 #define DBGC_CLASS DBGC_WINBIND
44 #define WB_REPLACE_CHAR '_'
51 enum lsa_SidType type
;
54 struct winbindd_cli_state
{
55 struct winbindd_cli_state
*prev
, *next
; /* Linked list pointers */
56 int sock
; /* Open socket from client */
57 pid_t pid
; /* pid of client */
58 time_t last_access
; /* Time of last access (read or write) */
59 bool privileged
; /* Is the client 'privileged' */
61 TALLOC_CTX
*mem_ctx
; /* memory per request */
63 NTSTATUS (*recv_fn
)(struct tevent_req
*req
,
64 struct winbindd_response
*presp
);
65 struct winbindd_request
*request
; /* Request from client */
66 struct tevent_queue
*out_queue
;
67 struct winbindd_response
*response
; /* Respose to client */
68 struct tevent_req
*io_req
; /* wb_req_read_* or wb_resp_write_* */
70 struct getpwent_state
*pwent_state
; /* State for getpwent() */
71 struct getgrent_state
*grent_state
; /* State for getgrent() */
74 struct getpwent_state
{
75 struct winbindd_domain
*domain
;
77 struct wbint_RidArray rids
;
80 struct getgrent_state
{
81 struct winbindd_domain
*domain
;
84 struct wbint_Principal
*groups
;
87 /* Our connection to the DC */
89 struct winbindd_cm_conn
{
90 struct cli_state
*cli
;
92 enum dcerpc_AuthLevel auth_level
;
94 struct rpc_pipe_client
*samr_pipe
;
95 struct policy_handle sam_connect_handle
, sam_domain_handle
;
97 struct rpc_pipe_client
*lsa_pipe
;
98 struct rpc_pipe_client
*lsa_pipe_tcp
;
99 struct policy_handle lsa_policy
;
101 struct rpc_pipe_client
*netlogon_pipe
;
102 struct netlogon_creds_cli_context
*netlogon_creds_ctx
;
103 bool netlogon_force_reauth
;
108 struct winbindd_domain
;
110 struct winbindd_child_dispatch_table
{
112 enum winbindd_cmd struct_cmd
;
113 enum winbindd_result (*struct_fn
)(struct winbindd_domain
*domain
,
114 struct winbindd_cli_state
*state
);
117 struct winbindd_child
{
119 struct winbindd_domain
*domain
;
123 struct tevent_fd
*monitor_fde
; /* Watch for dead children/sockets */
124 struct tevent_queue
*queue
;
125 struct dcerpc_binding_handle
*binding_handle
;
127 struct tevent_timer
*lockout_policy_event
;
128 struct tevent_timer
*machine_password_change_event
;
130 const struct winbindd_child_dispatch_table
*table
;
133 /* Structures to hold per domain information */
135 struct winbindd_domain
{
136 char *name
; /* Domain name (NetBIOS) */
137 char *alt_name
; /* alt Domain name, if any (FQDN for ADS) */
138 char *forest_name
; /* Name of the AD forest we're in */
139 struct dom_sid sid
; /* SID for this domain */
140 enum netr_SchannelType secure_channel_type
;
141 uint32_t domain_flags
; /* Domain flags from netlogon.h */
142 uint32_t domain_type
; /* Domain type from netlogon.h */
143 uint32_t domain_trust_attribs
; /* Trust attribs from netlogon.h */
144 struct winbindd_domain
*routing_domain
;
145 bool initialized
; /* Did we already ask for the domain mode? */
146 bool native_mode
; /* is this a win2k domain in native mode ? */
147 bool active_directory
; /* is this a win2k active directory ? */
148 bool primary
; /* is this our primary domain ? */
149 bool internal
; /* BUILTIN and member SAM */
150 bool rodc
; /* Are we an RODC for this AD domain? (do some operations locally) */
151 bool online
; /* is this domain available ? */
152 time_t startup_time
; /* When we set "startup" true. monotonic clock */
153 bool startup
; /* are we in the first 30 seconds after startup_time ? */
155 bool can_do_ncacn_ip_tcp
;
158 * Lookup methods for this domain (LDAP or RPC). The backend
159 * methods are used by the cache layer.
161 struct winbindd_methods
*backend
;
163 /* Private data for the backends (used for connection cache) */
168 pid_t dc_probe_pid
; /* Child we're using to detect the DC. */
170 struct sockaddr_storage dcaddr
;
172 /* Sequence number stuff */
174 time_t last_seq_check
;
175 uint32_t sequence_number
;
176 NTSTATUS last_status
;
178 /* The smb connection */
180 struct winbindd_cm_conn conn
;
182 /* The child pid we're talking to */
184 struct winbindd_child
*children
;
186 struct tevent_queue
*queue
;
187 struct dcerpc_binding_handle
*binding_handle
;
189 /* Callback we use to try put us back online. */
191 uint32_t check_online_timeout
;
192 struct tevent_timer
*check_online_event
;
194 /* Linked list info */
196 struct winbindd_domain
*prev
, *next
;
199 struct wb_acct_info
{
200 fstring acct_name
; /* account name */
201 fstring acct_desc
; /* account name */
202 uint32_t rid
; /* domain-relative RID */
205 /* per-domain methods. This is how LDAP vs RPC is selected
207 struct winbindd_methods
{
208 /* does this backend provide a consistent view of the data? (ie. is the primary group
212 /* get a list of users, returning a wbint_userinfo for each one */
213 NTSTATUS (*query_user_list
)(struct winbindd_domain
*domain
,
217 /* get a list of domain groups */
218 NTSTATUS (*enum_dom_groups
)(struct winbindd_domain
*domain
,
220 uint32_t *num_entries
,
221 struct wb_acct_info
**info
);
223 /* get a list of domain local groups */
224 NTSTATUS (*enum_local_groups
)(struct winbindd_domain
*domain
,
226 uint32_t *num_entries
,
227 struct wb_acct_info
**info
);
229 /* convert one user or group name to a sid */
230 NTSTATUS (*name_to_sid
)(struct winbindd_domain
*domain
,
232 const char *domain_name
,
236 enum lsa_SidType
*type
);
238 /* convert a sid to a user or group name */
239 NTSTATUS (*sid_to_name
)(struct winbindd_domain
*domain
,
241 const struct dom_sid
*sid
,
244 enum lsa_SidType
*type
);
246 NTSTATUS (*rids_to_names
)(struct winbindd_domain
*domain
,
248 const struct dom_sid
*domain_sid
,
253 enum lsa_SidType
**types
);
255 /* lookup all groups that a user is a member of. The backend
256 can also choose to lookup by username or rid for this
258 NTSTATUS (*lookup_usergroups
)(struct winbindd_domain
*domain
,
260 const struct dom_sid
*user_sid
,
261 uint32_t *num_groups
, struct dom_sid
**user_gids
);
263 /* Lookup all aliases that the sids delivered are member of. This is
264 * to implement 'domain local groups' correctly */
265 NTSTATUS (*lookup_useraliases
)(struct winbindd_domain
*domain
,
268 const struct dom_sid
*sids
,
269 uint32_t *num_aliases
,
270 uint32_t **alias_rids
);
272 /* find all members of the group with the specified group_rid */
273 NTSTATUS (*lookup_groupmem
)(struct winbindd_domain
*domain
,
275 const struct dom_sid
*group_sid
,
276 enum lsa_SidType type
,
278 struct dom_sid
**sid_mem
, char ***names
,
279 uint32_t **name_types
);
281 /* return the current global sequence number */
282 NTSTATUS (*sequence_number
)(struct winbindd_domain
*domain
, uint32_t *seq
);
284 /* return the lockout policy */
285 NTSTATUS (*lockout_policy
)(struct winbindd_domain
*domain
,
287 struct samr_DomInfo12
*lockout_policy
);
289 /* return the lockout policy */
290 NTSTATUS (*password_policy
)(struct winbindd_domain
*domain
,
292 struct samr_DomInfo1
*password_policy
);
294 /* enumerate trusted domains */
295 NTSTATUS (*trusted_domains
)(struct winbindd_domain
*domain
,
297 struct netr_DomainTrustList
*trusts
);
300 /* Filled out by IDMAP backends */
301 struct winbindd_idmap_methods
{
302 /* Called when backend is first loaded */
305 bool (*get_sid_from_uid
)(uid_t uid
, struct dom_sid
*sid
);
306 bool (*get_sid_from_gid
)(gid_t gid
, struct dom_sid
*sid
);
308 bool (*get_uid_from_sid
)(struct dom_sid
*sid
, uid_t
*uid
);
309 bool (*get_gid_from_sid
)(struct dom_sid
*sid
, gid_t
*gid
);
311 /* Called when backend is unloaded */
313 /* Called to dump backend status */
314 void (*status
)(void);
317 /* Data structures for dealing with the trusted domain cache */
319 struct winbindd_tdc_domain
{
320 const char *domain_name
;
321 const char *dns_name
;
323 uint32_t trust_flags
;
324 uint32_t trust_attribs
;
328 struct WINBINDD_MEMORY_CREDS
{
329 struct WINBINDD_MEMORY_CREDS
*next
, *prev
;
330 const char *username
; /* lookup key. */
334 uint8_t *nt_hash
; /* Base pointer for the following 2 */
339 struct WINBINDD_CCACHE_ENTRY
{
340 struct WINBINDD_CCACHE_ENTRY
*next
, *prev
;
341 const char *principal_name
;
344 const char *username
;
346 struct WINBINDD_MEMORY_CREDS
*cred_ptr
;
352 struct tevent_timer
*event
;
355 #include "winbindd/winbindd_proto.h"
357 #define WINBINDD_ESTABLISH_LOOP 30
358 #define WINBINDD_RESCAN_FREQ lp_winbind_cache_time()
359 #define WINBINDD_PAM_AUTH_KRB5_RENEW_TIME 2592000 /* one month */
360 #define DOM_SEQUENCE_NONE ((uint32_t)-1)
362 #endif /* _WINBINDD_H */