2 Unix SMB/CIFS implementation.
4 Copyright (C) Volker Lendecke 2011
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "system/network.h"
22 #include "lib/util/tevent_ntstatus.h"
23 #include "smb_common.h"
24 #include "smbXcli_base.h"
25 #include "smb2_create_blob.h"
27 struct smb2cli_create_state {
31 uint32_t create_action;
33 NTTIME last_access_time;
34 NTTIME last_write_time;
36 uint64_t allocation_size;
38 uint32_t file_attributes;
39 uint64_t fid_persistent;
40 uint64_t fid_volatile;
41 struct smb2_create_blobs blobs;
44 static void smb2cli_create_done(struct tevent_req *subreq);
46 struct tevent_req *smb2cli_create_send(
48 struct tevent_context *ev,
49 struct smbXcli_conn *conn,
50 uint32_t timeout_msec,
51 struct smbXcli_session *session,
52 struct smbXcli_tcon *tcon,
54 uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */
55 uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */
56 uint32_t desired_access,
57 uint32_t file_attributes,
58 uint32_t share_access,
59 uint32_t create_disposition,
60 uint32_t create_options,
61 struct smb2_create_blobs *blobs)
63 struct tevent_req *req, *subreq;
64 struct smb2cli_create_state *state;
67 size_t name_utf16_len;
75 req = tevent_req_create(mem_ctx, &state,
76 struct smb2cli_create_state);
81 if (!convert_string_talloc(state, CH_UNIX, CH_UTF16,
82 filename, strlen(filename),
83 &name_utf16, &name_utf16_len)) {
85 return tevent_req_post(req, ev);
88 if (strlen(filename) == 0) {
89 TALLOC_FREE(name_utf16);
96 SCVAL(fixed, 3, oplock_level);
97 SIVAL(fixed, 4, impersonation_level);
98 SIVAL(fixed, 24, desired_access);
99 SIVAL(fixed, 28, file_attributes);
100 SIVAL(fixed, 32, share_access);
101 SIVAL(fixed, 36, create_disposition);
102 SIVAL(fixed, 40, create_options);
104 SSVAL(fixed, 44, SMB2_HDR_BODY + 56);
105 SSVAL(fixed, 46, name_utf16_len);
107 blob = data_blob_null;
110 status = smb2_create_blob_push(state, &blob, *blobs);
111 if (tevent_req_nterror(req, status)) {
112 return tevent_req_post(req, ev);
116 blobs_offset = name_utf16_len;
117 blobs_offset = ((blobs_offset + 3) & ~3);
119 if (blob.length > 0) {
120 SIVAL(fixed, 48, blobs_offset + SMB2_HDR_BODY + 56);
121 SIVAL(fixed, 52, blob.length);
124 dyn_len = MAX(1, blobs_offset + blob.length);
125 dyn = talloc_zero_array(state, uint8_t, dyn_len);
126 if (tevent_req_nomem(dyn, req)) {
127 return tevent_req_post(req, ev);
131 memcpy(dyn, name_utf16, name_utf16_len);
132 TALLOC_FREE(name_utf16);
135 if (blob.data != NULL) {
136 memcpy(dyn + blobs_offset,
137 blob.data, blob.length);
138 data_blob_free(&blob);
142 tcon_id = smb2cli_tcon_current_id(tcon);
145 subreq = smb2cli_req_send(state, ev, conn, SMB2_OP_CREATE,
151 state->fixed, sizeof(state->fixed),
153 if (tevent_req_nomem(subreq, req)) {
154 return tevent_req_post(req, ev);
156 tevent_req_set_callback(subreq, smb2cli_create_done, req);
160 static void smb2cli_create_done(struct tevent_req *subreq)
162 struct tevent_req *req =
163 tevent_req_callback_data(subreq,
165 struct smb2cli_create_state *state =
167 struct smb2cli_create_state);
171 uint32_t offset, length;
172 static const struct smb2cli_req_expected_response expected[] = {
174 .status = NT_STATUS_OK,
179 status = smb2cli_req_recv(subreq, state, &iov,
180 expected, ARRAY_SIZE(expected));
181 if (tevent_req_nterror(req, status)) {
185 body = (uint8_t *)iov[1].iov_base;
187 state->oplock_level = CVAL(body, 2);
188 state->create_action = IVAL(body, 4);
189 state->creation_time = BVAL(body, 8);
190 state->last_access_time = BVAL(body, 16);
191 state->last_write_time = BVAL(body, 24);
192 state->change_time = BVAL(body, 32);
193 state->allocation_size = BVAL(body, 40);
194 state->end_of_file = BVAL(body, 48);
195 state->file_attributes = IVAL(body, 56);
196 state->fid_persistent = BVAL(body, 64);
197 state->fid_volatile = BVAL(body, 72);
199 offset = IVAL(body, 80);
200 length = IVAL(body, 84);
202 if ((offset != 0) && (length != 0)) {
203 if ((offset != SMB2_HDR_BODY + 88) ||
204 (length > iov[2].iov_len)) {
206 req, NT_STATUS_INVALID_NETWORK_RESPONSE);
209 status = smb2_create_blob_parse(
210 state, data_blob_const(iov[2].iov_base, length),
212 if (tevent_req_nterror(req, status)) {
216 tevent_req_done(req);
219 NTSTATUS smb2cli_create_recv(struct tevent_req *req,
220 uint64_t *fid_persistent,
221 uint64_t *fid_volatile)
223 struct smb2cli_create_state *state =
225 struct smb2cli_create_state);
228 if (tevent_req_is_nterror(req, &status)) {
231 *fid_persistent = state->fid_persistent;
232 *fid_volatile = state->fid_volatile;
236 NTSTATUS smb2cli_create(struct smbXcli_conn *conn,
237 uint32_t timeout_msec,
238 struct smbXcli_session *session,
239 struct smbXcli_tcon *tcon,
240 const char *filename,
241 uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */
242 uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */
243 uint32_t desired_access,
244 uint32_t file_attributes,
245 uint32_t share_access,
246 uint32_t create_disposition,
247 uint32_t create_options,
248 struct smb2_create_blobs *blobs,
249 uint64_t *fid_persistent,
250 uint64_t *fid_volatile)
252 TALLOC_CTX *frame = talloc_stackframe();
253 struct tevent_context *ev;
254 struct tevent_req *req;
255 NTSTATUS status = NT_STATUS_NO_MEMORY;
257 if (smbXcli_conn_has_async_calls(conn)) {
259 * Can't use sync call while an async call is in flight
261 status = NT_STATUS_INVALID_PARAMETER;
264 ev = tevent_context_init(frame);
268 req = smb2cli_create_send(frame, ev, conn, timeout_msec,
270 filename, oplock_level,
271 impersonation_level, desired_access,
272 file_attributes, share_access,
273 create_disposition, create_options,
278 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
281 status = smb2cli_create_recv(req, fid_persistent, fid_volatile);