2 Unix SMB/CIFS implementation.
5 Copyright (C) Stefan Metzmacher 2009
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "smbd/globals.h"
23 #include "../source4/libcli/smb2/smb2_constants.h"
25 static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
26 struct tevent_context *ev,
27 struct smbd_smb2_request *smb2req,
29 uint8_t in_file_info_class,
30 uint32_t in_output_buffer_length,
31 DATA_BLOB in_input_buffer,
32 uint32_t in_additional_information,
34 uint64_t in_file_id_volatile);
35 static NTSTATUS smbd_smb2_getinfo_recv(struct tevent_req *req,
37 DATA_BLOB *out_output_buffer);
39 static void smbd_smb2_request_getinfo_done(struct tevent_req *subreq);
40 NTSTATUS smbd_smb2_request_process_getinfo(struct smbd_smb2_request *req)
43 const uint8_t *inbody;
44 int i = req->current_idx;
45 size_t expected_body_size = 0x29;
48 uint8_t in_file_info_class;
49 uint32_t in_output_buffer_length;
50 uint16_t in_input_buffer_offset;
51 uint32_t in_input_buffer_length;
52 DATA_BLOB in_input_buffer;
53 uint32_t in_additional_information;
55 uint64_t in_file_id_persistent;
56 uint64_t in_file_id_volatile;
57 struct tevent_req *subreq;
59 inhdr = (const uint8_t *)req->in.vector[i+0].iov_base;
60 if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
61 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
64 inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
66 body_size = SVAL(inbody, 0x00);
67 if (body_size != expected_body_size) {
68 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
71 in_info_type = CVAL(inbody, 0x02);
72 in_file_info_class = CVAL(inbody, 0x03);
73 in_output_buffer_length = IVAL(inbody, 0x04);
74 in_input_buffer_offset = SVAL(inbody, 0x08);
75 /* 0x0A 2 bytes reserved */
76 in_input_buffer_length = IVAL(inbody, 0x0C);
77 in_additional_information = IVAL(inbody, 0x10);
78 in_flags = IVAL(inbody, 0x14);
79 in_file_id_persistent = BVAL(inbody, 0x18);
80 in_file_id_volatile = BVAL(inbody, 0x20);
82 if (in_input_buffer_offset == 0 && in_input_buffer_length == 0) {
84 } else if (in_input_buffer_offset !=
85 (SMB2_HDR_BODY + (body_size & 0xFFFFFFFE))) {
86 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
89 if (in_input_buffer_length > req->in.vector[i+2].iov_len) {
90 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
93 in_input_buffer.data = (uint8_t *)req->in.vector[i+2].iov_base;
94 in_input_buffer.length = in_input_buffer_length;
96 if (req->compat_chain_fsp) {
98 } else if (in_file_id_persistent != 0) {
99 return smbd_smb2_request_error(req, NT_STATUS_FILE_CLOSED);
102 subreq = smbd_smb2_getinfo_send(req,
103 req->sconn->smb2.event_ctx,
107 in_output_buffer_length,
109 in_additional_information,
111 in_file_id_volatile);
112 if (subreq == NULL) {
113 return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
115 tevent_req_set_callback(subreq, smbd_smb2_request_getinfo_done, req);
117 if (tevent_req_is_in_progress(subreq)) {
118 return smbd_smb2_request_pending_queue(req);
124 static void smbd_smb2_request_getinfo_done(struct tevent_req *subreq)
126 struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
127 struct smbd_smb2_request);
128 int i = req->current_idx;
132 uint16_t out_output_buffer_offset;
133 DATA_BLOB out_output_buffer = data_blob_null;
135 NTSTATUS error; /* transport error */
137 status = smbd_smb2_getinfo_recv(subreq,
141 if (!NT_STATUS_IS_OK(status)) {
142 error = smbd_smb2_request_error(req, status);
143 if (!NT_STATUS_IS_OK(error)) {
144 smbd_server_connection_terminate(req->sconn,
151 out_output_buffer_offset = SMB2_HDR_BODY + 0x08;
153 outhdr = (uint8_t *)req->out.vector[i].iov_base;
155 outbody = data_blob_talloc(req->out.vector, NULL, 0x08);
156 if (outbody.data == NULL) {
157 error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
158 if (!NT_STATUS_IS_OK(error)) {
159 smbd_server_connection_terminate(req->sconn,
166 SSVAL(outbody.data, 0x00, 0x08 + 1); /* struct size */
167 SSVAL(outbody.data, 0x02,
168 out_output_buffer_offset); /* output buffer offset */
169 SIVAL(outbody.data, 0x04,
170 out_output_buffer.length); /* output buffer length */
172 outdyn = out_output_buffer;
174 error = smbd_smb2_request_done(req, outbody, &outdyn);
175 if (!NT_STATUS_IS_OK(error)) {
176 smbd_server_connection_terminate(req->sconn,
182 struct smbd_smb2_getinfo_state {
183 struct smbd_smb2_request *smb2req;
185 DATA_BLOB out_output_buffer;
188 static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
189 struct tevent_context *ev,
190 struct smbd_smb2_request *smb2req,
191 uint8_t in_info_type,
192 uint8_t in_file_info_class,
193 uint32_t in_output_buffer_length,
194 DATA_BLOB in_input_buffer,
195 uint32_t in_additional_information,
197 uint64_t in_file_id_volatile)
199 struct tevent_req *req;
200 struct smbd_smb2_getinfo_state *state;
201 struct smb_request *smbreq;
202 connection_struct *conn = smb2req->tcon->compat_conn;
205 req = tevent_req_create(mem_ctx, &state,
206 struct smbd_smb2_getinfo_state);
210 state->smb2req = smb2req;
211 state->status = NT_STATUS_INTERNAL_ERROR;
212 state->out_output_buffer = data_blob_null;
214 DEBUG(10,("smbd_smb2_getinfo_send: file_id[0x%016llX]\n",
215 (unsigned long long)in_file_id_volatile));
217 smbreq = smbd_smb2_fake_smb_request(smb2req);
218 if (tevent_req_nomem(smbreq, req)) {
219 return tevent_req_post(req, ev);
222 fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile);
224 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
225 return tevent_req_post(req, ev);
227 if (conn != fsp->conn) {
228 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
229 return tevent_req_post(req, ev);
231 if (smb2req->session->vuid != fsp->vuid) {
232 tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
233 return tevent_req_post(req, ev);
237 tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
238 return tevent_req_post(req, ev);
241 switch (in_info_type) {
242 case 0x01:/* SMB2_GETINFO_FILE */
244 uint16_t file_info_level;
246 unsigned int data_size = 0;
247 bool delete_pending = false;
248 struct timespec write_time_ts;
249 struct file_id fileid;
250 struct ea_list *ea_list = NULL;
251 int lock_data_count = 0;
252 char *lock_data = NULL;
253 bool ms_dfs_link = false;
256 ZERO_STRUCT(write_time_ts);
258 switch (in_file_info_class) {
259 case 0x0F:/* RAW_FILEINFO_SMB2_ALL_EAS */
260 file_info_level = 0xFF00 | in_file_info_class;
263 case 0x12:/* RAW_FILEINFO_SMB2_ALL_INFORMATION */
264 file_info_level = 0xFF00 | in_file_info_class;
268 /* the levels directly map to the passthru levels */
269 file_info_level = in_file_info_class + 1000;
273 if (fsp->fake_file_handle) {
275 * This is actually for the QUOTA_FAKE_FILE --metze
278 /* We know this name is ok, it's already passed the checks. */
280 } else if (fsp && (fsp->is_directory || fsp->fh->fd == -1)) {
282 * This is actually a QFILEINFO on a directory
283 * handle (returned from an NT SMB). NT5.0 seems
284 * to do this call. JRA.
287 if (INFO_LEVEL_IS_UNIX(file_info_level)) {
288 /* Always do lstat for UNIX calls. */
289 if (SMB_VFS_LSTAT(conn, fsp->fsp_name)) {
290 DEBUG(3,("smbd_smb2_getinfo_send: "
291 "SMB_VFS_LSTAT of %s failed "
292 "(%s)\n", fsp_str_dbg(fsp),
294 status = map_nt_error_from_unix(errno);
295 tevent_req_nterror(req, status);
296 return tevent_req_post(req, ev);
298 } else if (SMB_VFS_STAT(conn, fsp->fsp_name)) {
299 DEBUG(3,("smbd_smb2_getinfo_send: "
300 "SMB_VFS_STAT of %s failed (%s)\n",
303 status = map_nt_error_from_unix(errno);
304 tevent_req_nterror(req, status);
305 return tevent_req_post(req, ev);
308 fileid = vfs_file_id_from_sbuf(conn,
310 get_file_infos(fileid, &delete_pending, &write_time_ts);
313 * Original code - this is an open file.
316 if (SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
317 DEBUG(3, ("smbd_smb2_getinfo_send: "
318 "fstat of fnum %d failed (%s)\n",
319 fsp->fnum, strerror(errno)));
320 status = map_nt_error_from_unix(errno);
321 tevent_req_nterror(req, status);
322 return tevent_req_post(req, ev);
324 fileid = vfs_file_id_from_sbuf(conn,
326 get_file_infos(fileid, &delete_pending, &write_time_ts);
329 status = smbd_do_qfilepathinfo(conn, state,
340 in_output_buffer_length,
343 if (!NT_STATUS_IS_OK(status)) {
345 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
346 status = NT_STATUS_INVALID_INFO_CLASS;
348 tevent_req_nterror(req, status);
349 return tevent_req_post(req, ev);
352 state->out_output_buffer = data_blob_talloc(state,
356 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
357 return tevent_req_post(req, ev);
364 case 0x02:/* SMB2_GETINFO_FS */
366 uint16_t file_info_level;
371 /* the levels directly map to the passthru levels */
372 file_info_level = in_file_info_class + 1000;
374 status = smbd_do_qfsinfo(conn, state,
377 in_output_buffer_length,
380 if (!NT_STATUS_IS_OK(status)) {
382 if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
383 status = NT_STATUS_INVALID_INFO_CLASS;
385 tevent_req_nterror(req, status);
386 return tevent_req_post(req, ev);
389 state->out_output_buffer = data_blob_talloc(state,
393 if (tevent_req_nomem(state->out_output_buffer.data, req)) {
394 return tevent_req_post(req, ev);
402 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
403 return tevent_req_post(req, ev);
406 tevent_req_done(req);
407 return tevent_req_post(req, ev);
410 static NTSTATUS smbd_smb2_getinfo_recv(struct tevent_req *req,
412 DATA_BLOB *out_output_buffer)
415 struct smbd_smb2_getinfo_state *state = tevent_req_data(req,
416 struct smbd_smb2_getinfo_state);
418 if (tevent_req_is_nterror(req, &status)) {
419 tevent_req_received(req);
423 *out_output_buffer = state->out_output_buffer;
424 talloc_steal(mem_ctx, out_output_buffer->data);
426 tevent_req_received(req);