s4-winbind: Add support for the WINBINDD_LIST_GROUPS command.
[gd/samba-autobuild/.git] / source4 / winbind / wb_samba3_protocol.c
1 /* 
2    Unix SMB/CIFS implementation.
3    Main winbindd samba3 server routines
4
5    Copyright (C) Stefan Metzmacher      2005
6    Copyright (C) Volker Lendecke        2005
7
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.
12    
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.
17    
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/>.
20 */
21
22 #include "includes.h"
23 #include "winbind/wb_server.h"
24 #include "smbd/service_stream.h"
25 #include "lib/stream/packet.h"
26
27 /*
28   work out if a packet is complete for protocols that use a 32 bit host byte
29   order length
30 */
31 NTSTATUS wbsrv_samba3_packet_full_request(void *private, DATA_BLOB blob, size_t *size)
32 {
33         uint32_t *len;
34         if (blob.length < 4) {
35                 return STATUS_MORE_ENTRIES;
36         }
37         len = (uint32_t *)blob.data;
38         *size = (*len);
39         if (*size > blob.length) {
40                 return STATUS_MORE_ENTRIES;
41         }
42         return NT_STATUS_OK;
43 }
44
45
46 NTSTATUS wbsrv_samba3_pull_request(DATA_BLOB blob, struct wbsrv_connection *wbconn,
47                                    struct wbsrv_samba3_call **_call)
48 {
49         struct wbsrv_samba3_call *call;
50
51         if (blob.length != sizeof(call->request)) {
52                 DEBUG(0,("wbsrv_samba3_pull_request: invalid blob length %lu should be %lu\n"
53                          " make sure you use the correct winbind client tools!\n",
54                          (long)blob.length, (long)sizeof(call->request)));
55                 return NT_STATUS_INVALID_PARAMETER;
56         }
57
58         call = talloc_zero(wbconn, struct wbsrv_samba3_call);
59         NT_STATUS_HAVE_NO_MEMORY(call);
60
61         /* the packet layout is the same as the in memory layout of the request, so just copy it */
62         memcpy(&call->request, blob.data, sizeof(call->request));
63
64         call->wbconn = wbconn;
65         call->event_ctx = call->wbconn->conn->event.ctx;
66         
67         *_call = call;
68         return NT_STATUS_OK;
69 }
70
71 NTSTATUS wbsrv_samba3_handle_call(struct wbsrv_samba3_call *s3call)
72 {
73         DEBUG(10, ("Got winbind samba3 request %d\n", s3call->request.cmd));
74
75         s3call->response.length = sizeof(s3call->response);
76
77         switch(s3call->request.cmd) {
78         case WINBINDD_INTERFACE_VERSION:
79                 return wbsrv_samba3_interface_version(s3call);
80
81         case WINBINDD_CHECK_MACHACC:
82                 return wbsrv_samba3_check_machacc(s3call);
83
84         case WINBINDD_PING:
85                 return wbsrv_samba3_ping(s3call);
86
87         case WINBINDD_INFO:
88                 return wbsrv_samba3_info(s3call);
89
90         case WINBINDD_DOMAIN_NAME:
91                 return wbsrv_samba3_domain_name(s3call);
92
93         case WINBINDD_NETBIOS_NAME:
94                 return wbsrv_samba3_netbios_name(s3call);
95
96         case WINBINDD_PRIV_PIPE_DIR:
97                 return wbsrv_samba3_priv_pipe_dir(s3call);
98
99         case WINBINDD_LOOKUPNAME:
100                 return wbsrv_samba3_lookupname(s3call);
101
102         case WINBINDD_LOOKUPSID:
103                 return wbsrv_samba3_lookupsid(s3call);
104
105         case WINBINDD_PAM_AUTH:
106                 return wbsrv_samba3_pam_auth(s3call);
107
108         case WINBINDD_PAM_AUTH_CRAP:
109                 return wbsrv_samba3_pam_auth_crap(s3call);
110
111         case WINBINDD_GETDCNAME:
112                 return wbsrv_samba3_getdcname(s3call);
113
114         case WINBINDD_GETUSERDOMGROUPS:
115                 return wbsrv_samba3_userdomgroups(s3call);
116
117         case WINBINDD_GETUSERSIDS:
118                 return wbsrv_samba3_usersids(s3call);
119
120         case WINBINDD_LIST_GROUPS:
121                 return wbsrv_samba3_list_groups(s3call);
122
123         case WINBINDD_LIST_TRUSTDOM:
124                 return wbsrv_samba3_list_trustdom(s3call);
125
126         case WINBINDD_LIST_USERS:
127                 return wbsrv_samba3_list_users(s3call);
128
129         case WINBINDD_GETPWNAM:
130                 return wbsrv_samba3_getpwnam(s3call);
131
132         case WINBINDD_GETPWUID:
133                 return wbsrv_samba3_getpwuid(s3call);
134
135         case WINBINDD_SETPWENT:
136                 return wbsrv_samba3_setpwent(s3call);
137
138         case WINBINDD_GETPWENT:
139                 return wbsrv_samba3_getpwent(s3call);
140
141         case WINBINDD_ENDPWENT:
142                 return wbsrv_samba3_endpwent(s3call);
143
144         case WINBINDD_GETGRNAM:
145                 return wbsrv_samba3_getgrnam(s3call);
146
147         case WINBINDD_GETGRGID:
148                 return wbsrv_samba3_getgrgid(s3call);
149
150         case WINBINDD_GETGROUPS:
151                 return wbsrv_samba3_getgroups(s3call);
152
153         case WINBINDD_SETGRENT:
154                 return wbsrv_samba3_setgrent(s3call);
155
156         case WINBINDD_GETGRENT:
157                 return wbsrv_samba3_getgrent(s3call);
158
159         case WINBINDD_ENDGRENT:
160                 return wbsrv_samba3_endgrent(s3call);
161
162         case WINBINDD_SID_TO_UID:
163         case WINBINDD_DUAL_SID2UID:
164                 return wbsrv_samba3_sid2uid(s3call);
165
166         case WINBINDD_SID_TO_GID:
167         case WINBINDD_DUAL_SID2GID:
168                 return wbsrv_samba3_sid2gid(s3call);
169
170         case WINBINDD_UID_TO_SID:
171         case WINBINDD_DUAL_UID2SID:
172                 return wbsrv_samba3_uid2sid(s3call);
173
174         case WINBINDD_GID_TO_SID:
175         case WINBINDD_DUAL_GID2SID:
176                 return wbsrv_samba3_gid2sid(s3call);
177
178         /* Unimplemented commands */
179
180         case WINBINDD_PAM_CHAUTHTOK:
181         case WINBINDD_PAM_LOGOFF:
182         case WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP:
183         case WINBINDD_LOOKUPRIDS:
184         case WINBINDD_SIDS_TO_XIDS:
185         case WINBINDD_ALLOCATE_UID:
186         case WINBINDD_ALLOCATE_GID:
187         case WINBINDD_SET_MAPPING:
188         case WINBINDD_REMOVE_MAPPING:
189         case WINBINDD_SET_HWM:
190         case WINBINDD_DOMAIN_INFO:
191         case WINBINDD_SHOW_SEQUENCE:
192         case WINBINDD_WINS_BYIP:
193         case WINBINDD_WINS_BYNAME:
194         case WINBINDD_GETGRLST:
195         case WINBINDD_DSGETDCNAME:
196         case WINBINDD_INIT_CONNECTION:
197         case WINBINDD_DUAL_SIDS2XIDS:
198         case WINBINDD_DUAL_SET_MAPPING:
199         case WINBINDD_DUAL_REMOVE_MAPPING:
200         case WINBINDD_DUAL_SET_HWM:
201         case WINBINDD_DUAL_USERINFO:
202         case WINBINDD_DUAL_GETSIDALIASES:
203         case WINBINDD_CCACHE_NTLMAUTH:
204         case WINBINDD_NUM_CMDS:
205                 DEBUG(10, ("Unimplemented winbind samba3 request %d\n", 
206                            s3call->request.cmd));
207                 break;
208         }
209
210         s3call->response.result = WINBINDD_ERROR;
211         return NT_STATUS_OK;
212 }
213
214 static NTSTATUS wbsrv_samba3_push_reply(struct wbsrv_samba3_call *call, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob)
215 {
216         DATA_BLOB blob;
217         uint8_t *extra_data;
218         size_t extra_data_len = 0;
219
220         extra_data = (uint8_t *)call->response.extra_data.data;
221         if (extra_data != NULL) {
222                 extra_data_len = call->response.length -
223                         sizeof(call->response);
224         }
225
226         blob = data_blob_talloc(mem_ctx, NULL, call->response.length);
227         NT_STATUS_HAVE_NO_MEMORY(blob.data);
228
229         /* don't push real pointer values into sockets */
230         if (extra_data) {
231                 call->response.extra_data.data = (void *)0xFFFFFFFF;
232         }
233         memcpy(blob.data, &call->response, sizeof(call->response));
234         /* set back the pointer */
235         call->response.extra_data.data = extra_data;
236
237         if (extra_data) {
238                 memcpy(blob.data + sizeof(call->response), extra_data, extra_data_len);
239         }
240
241         *_blob = blob;
242         return NT_STATUS_OK;
243 }
244
245 /*
246  * queue a wbsrv_call reply on a wbsrv_connection
247  * NOTE: that this implies talloc_free(call),
248  *       use talloc_reference(call) if you need it after
249  *       calling wbsrv_queue_reply
250  */
251 NTSTATUS wbsrv_samba3_send_reply(struct wbsrv_samba3_call *call)
252 {
253         struct wbsrv_connection *wbconn = call->wbconn;
254         DATA_BLOB rep;
255         NTSTATUS status;
256
257         status = wbsrv_samba3_push_reply(call, call, &rep);
258         NT_STATUS_NOT_OK_RETURN(status);
259
260         status = packet_send(call->wbconn->packet, rep);
261         
262         talloc_free(call);
263
264         if (!NT_STATUS_IS_OK(status)) {
265                 wbsrv_terminate_connection(wbconn,
266                                            "failed to packet_send winbindd reply");
267                 return status;
268         }
269         /* the call isn't needed any more */
270         return status;
271 }
272
273 NTSTATUS wbsrv_samba3_process(void *private, DATA_BLOB blob)
274 {
275         NTSTATUS status;
276         struct wbsrv_connection *wbconn = talloc_get_type(private, 
277                                                           struct wbsrv_connection);
278         struct wbsrv_samba3_call *call;
279         status = wbsrv_samba3_pull_request(blob, wbconn, &call);
280         
281         if (!NT_STATUS_IS_OK(status)) {
282                 return status;
283         }
284         
285         status = wbsrv_samba3_handle_call(call);
286
287         if (!NT_STATUS_IS_OK(status)) {
288                 talloc_free(call);
289                 return status;
290         }
291
292         if (call->flags & WBSRV_CALL_FLAGS_REPLY_ASYNC) {
293                 return NT_STATUS_OK;
294         }
295
296         status = wbsrv_samba3_send_reply(call);
297         return status;
298 }
299