source: branches/samba-3.5.x/source4/winbind/wb_samba3_protocol.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 7.7 KB
Line 
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*/
31NTSTATUS wbsrv_samba3_packet_full_request(void *private_data, 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
46NTSTATUS 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
71NTSTATUS 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 case WINBINDD_DOMAIN_INFO:
179 return wbsrv_samba3_domain_info(s3call);
180
181 /* Unimplemented commands */
182
183 case WINBINDD_GETPWSID:
184 case WINBINDD_PAM_CHAUTHTOK:
185 case WINBINDD_PAM_LOGOFF:
186 case WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP:
187 case WINBINDD_LOOKUPRIDS:
188 case WINBINDD_SIDS_TO_XIDS:
189 case WINBINDD_ALLOCATE_UID:
190 case WINBINDD_ALLOCATE_GID:
191 case WINBINDD_SET_MAPPING:
192 case WINBINDD_REMOVE_MAPPING:
193 case WINBINDD_SET_HWM:
194 case WINBINDD_SHOW_SEQUENCE:
195 case WINBINDD_WINS_BYIP:
196 case WINBINDD_WINS_BYNAME:
197 case WINBINDD_GETGRLST:
198 case WINBINDD_GETSIDALIASES:
199 case WINBINDD_DSGETDCNAME:
200 case WINBINDD_INIT_CONNECTION:
201 case WINBINDD_DUAL_SIDS2XIDS:
202 case WINBINDD_DUAL_SET_MAPPING:
203 case WINBINDD_DUAL_REMOVE_MAPPING:
204 case WINBINDD_DUAL_SET_HWM:
205 case WINBINDD_DUAL_USERINFO:
206 case WINBINDD_DUAL_GETSIDALIASES:
207 case WINBINDD_DUAL_NDRCMD:
208 case WINBINDD_CCACHE_NTLMAUTH:
209 case WINBINDD_NUM_CMDS:
210 DEBUG(10, ("Unimplemented winbind samba3 request %d\n",
211 s3call->request.cmd));
212 break;
213 }
214
215 s3call->response.result = WINBINDD_ERROR;
216 return NT_STATUS_OK;
217}
218
219static NTSTATUS wbsrv_samba3_push_reply(struct wbsrv_samba3_call *call, TALLOC_CTX *mem_ctx, DATA_BLOB *_blob)
220{
221 DATA_BLOB blob;
222 uint8_t *extra_data;
223 size_t extra_data_len = 0;
224
225 extra_data = (uint8_t *)call->response.extra_data.data;
226 if (extra_data != NULL) {
227 extra_data_len = call->response.length -
228 sizeof(call->response);
229 }
230
231 blob = data_blob_talloc(mem_ctx, NULL, call->response.length);
232 NT_STATUS_HAVE_NO_MEMORY(blob.data);
233
234 /* don't push real pointer values into sockets */
235 if (extra_data) {
236 call->response.extra_data.data = (void *)0xFFFFFFFF;
237 }
238 memcpy(blob.data, &call->response, sizeof(call->response));
239 /* set back the pointer */
240 call->response.extra_data.data = extra_data;
241
242 if (extra_data) {
243 memcpy(blob.data + sizeof(call->response), extra_data, extra_data_len);
244 }
245
246 *_blob = blob;
247 return NT_STATUS_OK;
248}
249
250/*
251 * queue a wbsrv_call reply on a wbsrv_connection
252 * NOTE: that this implies talloc_free(call),
253 * use talloc_reference(call) if you need it after
254 * calling wbsrv_queue_reply
255 */
256NTSTATUS wbsrv_samba3_send_reply(struct wbsrv_samba3_call *call)
257{
258 struct wbsrv_connection *wbconn = call->wbconn;
259 DATA_BLOB rep;
260 NTSTATUS status;
261
262 status = wbsrv_samba3_push_reply(call, call, &rep);
263 NT_STATUS_NOT_OK_RETURN(status);
264
265 status = packet_send(call->wbconn->packet, rep);
266
267 talloc_free(call);
268
269 if (!NT_STATUS_IS_OK(status)) {
270 wbsrv_terminate_connection(wbconn,
271 "failed to packet_send winbindd reply");
272 return status;
273 }
274 /* the call isn't needed any more */
275 return status;
276}
277
278NTSTATUS wbsrv_samba3_process(void *private_data, DATA_BLOB blob)
279{
280 NTSTATUS status;
281 struct wbsrv_connection *wbconn = talloc_get_type(private_data,
282 struct wbsrv_connection);
283 struct wbsrv_samba3_call *call;
284 status = wbsrv_samba3_pull_request(blob, wbconn, &call);
285
286 if (!NT_STATUS_IS_OK(status)) {
287 return status;
288 }
289
290 status = wbsrv_samba3_handle_call(call);
291
292 if (!NT_STATUS_IS_OK(status)) {
293 talloc_free(call);
294 return status;
295 }
296
297 if (call->flags & WBSRV_CALL_FLAGS_REPLY_ASYNC) {
298 return NT_STATUS_OK;
299 }
300
301 status = wbsrv_samba3_send_reply(call);
302 return status;
303}
304
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