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 Library General Public
11 License as published by the Free Software Foundation; either
12 version 2 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 Library General Public
20 License along with this library; if not, write to the
21 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA.
30 #include "winbindd_nss.h"
33 #define DBGC_CLASS DBGC_WINBIND
35 /* bits for fd_event.flags */
36 #define EVENT_FD_READ 1
37 #define EVENT_FD_WRITE 2
40 struct fd_event *next, *prev;
42 int flags; /* see EVENT_FD_* flags */
43 void (*handler)(struct fd_event *fde, int flags);
46 void (*finished)(void *private_data, BOOL success);
50 struct winbindd_cli_state {
51 struct winbindd_cli_state *prev, *next; /* Linked list pointers */
52 int sock; /* Open socket from client */
53 struct fd_event fd_event;
54 pid_t pid; /* pid of client */
55 int read_buf_len, write_buf_len; /* Indexes in request/response */
56 BOOL finished; /* Can delete from list */
57 BOOL write_extra_data; /* Write extra_data field */
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 */
62 struct winbindd_request request; /* Request from client */
63 struct winbindd_response response; /* Respose to client */
64 BOOL getpwent_initialized; /* Has getpwent_state been
66 BOOL getgrent_initialized; /* Has getgrent_state been
68 struct getent_state *getpwent_state; /* State for getpwent() */
69 struct getent_state *getgrent_state; /* State for getgrent() */
72 /* State between get{pw,gr}ent() calls */
75 struct getent_state *prev, *next;
77 uint32 sam_entry_index, num_sam_entries;
82 /* Storage for cached getpwent() user entries */
84 struct getpwent_user {
85 fstring name; /* Account name */
86 fstring gecos; /* User information */
87 fstring homedir; /* User Home Directory */
88 fstring shell; /* User Login Shell */
89 DOM_SID user_sid; /* NT user and primary group SIDs */
93 /* Server state structure */
95 struct winbindd_state {
97 /* User and group id pool */
99 uid_t uid_low, uid_high; /* Range of uids to allocate */
100 gid_t gid_low, gid_high; /* Range of gids to allocate */
103 extern struct winbindd_state server_state; /* Server information */
110 DOM_SID user_sid; /* NT user and primary group SIDs */
114 /* Our connection to the DC */
116 struct winbindd_cm_conn {
117 struct cli_state *cli;
119 struct rpc_pipe_client *samr_pipe;
120 POLICY_HND sam_connect_handle, sam_domain_handle;
122 struct rpc_pipe_client *lsa_pipe;
123 POLICY_HND lsa_policy;
125 /* Auth2 pipe is the pipe used to setup the netlogon schannel key
126 * using rpccli_net_auth2. It needs to be kept open. */
128 struct rpc_pipe_client *netlogon_auth2_pipe;
129 unsigned char sess_key[16]; /* Current session key. */
130 DOM_CRED clnt_cred; /* Client NETLOGON credential. */
131 struct rpc_pipe_client *netlogon_pipe;
134 struct winbindd_async_request;
138 struct winbindd_child {
139 struct winbindd_child *next, *prev;
142 struct winbindd_domain *domain;
145 struct fd_event event;
146 struct winbindd_async_request *requests;
149 /* Structures to hold per domain information */
151 struct winbindd_domain {
152 fstring name; /* Domain name */
153 fstring alt_name; /* alt Domain name (if any) */
154 DOM_SID sid; /* SID for this domain */
155 BOOL initialized; /* Did we already ask for the domain mode? */
156 BOOL native_mode; /* is this a win2k domain in native mode ? */
157 BOOL active_directory; /* is this a win2k active directory ? */
158 BOOL primary; /* is this our primary domain ? */
159 BOOL internal; /* BUILTIN and member SAM */
161 /* Lookup methods for this domain (LDAP or RPC) */
162 struct winbindd_methods *methods;
164 /* the backend methods are used by the cache layer to find the right
166 struct winbindd_methods *backend;
168 /* Private data for the backends (used for connection cache) */
174 struct sockaddr_in dcaddr;
176 /* Sequence number stuff */
178 time_t last_seq_check;
179 uint32 sequence_number;
180 NTSTATUS last_status;
182 /* The smb connection */
184 struct winbindd_cm_conn conn;
186 /* The child pid we're talking to */
188 struct winbindd_child child;
190 /* Linked list info */
192 struct winbindd_domain *prev, *next;
195 /* per-domain methods. This is how LDAP vs RPC is selected
197 struct winbindd_methods {
198 /* does this backend provide a consistent view of the data? (ie. is the primary group
202 /* get a list of users, returning a WINBIND_USERINFO for each one */
203 NTSTATUS (*query_user_list)(struct winbindd_domain *domain,
206 WINBIND_USERINFO **info);
208 /* get a list of domain groups */
209 NTSTATUS (*enum_dom_groups)(struct winbindd_domain *domain,
212 struct acct_info **info);
214 /* get a list of domain local groups */
215 NTSTATUS (*enum_local_groups)(struct winbindd_domain *domain,
218 struct acct_info **info);
220 /* convert one user or group name to a sid */
221 NTSTATUS (*name_to_sid)(struct winbindd_domain *domain,
223 const char *domain_name,
226 enum SID_NAME_USE *type);
228 /* convert a sid to a user or group name */
229 NTSTATUS (*sid_to_name)(struct winbindd_domain *domain,
234 enum SID_NAME_USE *type);
236 /* lookup user info for a given SID */
237 NTSTATUS (*query_user)(struct winbindd_domain *domain,
239 const DOM_SID *user_sid,
240 WINBIND_USERINFO *user_info);
242 /* lookup all groups that a user is a member of. The backend
243 can also choose to lookup by username or rid for this
245 NTSTATUS (*lookup_usergroups)(struct winbindd_domain *domain,
247 const DOM_SID *user_sid,
248 uint32 *num_groups, DOM_SID **user_gids);
250 /* Lookup all aliases that the sids delivered are member of. This is
251 * to implement 'domain local groups' correctly */
252 NTSTATUS (*lookup_useraliases)(struct winbindd_domain *domain,
257 uint32 **alias_rids);
259 /* find all members of the group with the specified group_rid */
260 NTSTATUS (*lookup_groupmem)(struct winbindd_domain *domain,
262 const DOM_SID *group_sid,
264 DOM_SID **sid_mem, char ***names,
265 uint32 **name_types);
267 /* return the current global sequence number */
268 NTSTATUS (*sequence_number)(struct winbindd_domain *domain, uint32 *seq);
270 /* enumerate trusted domains */
271 NTSTATUS (*trusted_domains)(struct winbindd_domain *domain,
278 /* setup the list of alternate names for the domain, if any */
279 NTSTATUS (*alternate_name)(struct winbindd_domain *domain);
282 /* Used to glue a policy handle and cli_state together */
285 struct cli_state *cli;
289 /* Filled out by IDMAP backends */
290 struct winbindd_idmap_methods {
291 /* Called when backend is first loaded */
294 BOOL (*get_sid_from_uid)(uid_t uid, DOM_SID *sid);
295 BOOL (*get_sid_from_gid)(gid_t gid, DOM_SID *sid);
297 BOOL (*get_uid_from_sid)(DOM_SID *sid, uid_t *uid);
298 BOOL (*get_gid_from_sid)(DOM_SID *sid, gid_t *gid);
300 /* Called when backend is unloaded */
302 /* Called to dump backend status */
303 void (*status)(void);
306 #include "nsswitch/winbindd_proto.h"
308 #include "rpc_parse.h"
310 #define WINBINDD_ESTABLISH_LOOP 30
311 #define WINBINDD_RESCAN_FREQ 300
313 #define DOM_SEQUENCE_NONE ((uint32)-1)
315 #endif /* _WINBINDD_H */