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/>.
22 #include "async_smb.h"
23 #include "smb2cli_base.h"
25 #include "libsmb/proto.h"
26 #include "lib/util/tevent_ntstatus.h"
27 #include "libcli/smb/smb2_create_blob.h"
29 struct smb2cli_create_state {
33 uint32_t create_action;
34 struct timespec creation_time;
35 struct timespec last_access_time;
36 struct timespec last_write_time;
37 struct timespec change_time;
38 uint64_t allocation_size;
40 uint32_t file_attributes;
41 uint64_t fid_persistent;
42 uint64_t fid_volatile;
43 struct smb2_create_blobs blobs;
46 static void smb2cli_create_done(struct tevent_req *subreq);
48 struct tevent_req *smb2cli_create_send(
50 struct tevent_context *ev,
51 struct cli_state *cli,
53 uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */
54 uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */
55 uint32_t desired_access,
56 uint32_t file_attributes,
57 uint32_t share_access,
58 uint32_t create_disposition,
59 uint32_t create_options,
60 struct smb2_create_blobs *blobs)
62 struct tevent_req *req, *subreq;
63 struct smb2cli_create_state *state;
66 size_t name_utf16_len;
73 req = tevent_req_create(mem_ctx, &state,
74 struct smb2cli_create_state);
79 if (!convert_string_talloc(state, CH_UNIX, CH_UTF16,
80 filename, strlen(filename),
81 &name_utf16, &name_utf16_len)) {
83 return tevent_req_post(req, ev);
86 if (strlen(filename) == 0) {
87 TALLOC_FREE(name_utf16);
94 SCVAL(fixed, 3, oplock_level);
95 SIVAL(fixed, 4, impersonation_level);
96 SIVAL(fixed, 24, desired_access);
97 SIVAL(fixed, 28, file_attributes);
98 SIVAL(fixed, 32, share_access);
99 SIVAL(fixed, 36, create_disposition);
100 SIVAL(fixed, 40, create_options);
102 SSVAL(fixed, 44, SMB2_HDR_BODY + 56);
103 SSVAL(fixed, 46, name_utf16_len);
105 blob = data_blob_null;
108 status = smb2_create_blob_push(talloc_tos(), &blob, *blobs);
109 if (tevent_req_nterror(req, status)) {
110 return tevent_req_post(req, ev);
114 blobs_offset = name_utf16_len;
115 blobs_offset = ((blobs_offset + 3) & ~3);
117 if (blob.length > 0) {
118 SIVAL(fixed, 48, blobs_offset + SMB2_HDR_BODY + 56);
119 SIVAL(fixed, 52, blob.length);
122 dyn_len = MAX(1, blobs_offset + blob.length);
123 dyn = talloc_zero_array(state, uint8_t, dyn_len);
124 if (tevent_req_nomem(dyn, req)) {
125 return tevent_req_post(req, ev);
129 memcpy(dyn, name_utf16, name_utf16_len);
130 TALLOC_FREE(name_utf16);
133 if (blob.data != NULL) {
134 memcpy(dyn + blobs_offset,
135 blob.data, blob.length);
136 data_blob_free(&blob);
139 subreq = smb2cli_req_send(state, ev, cli, SMB2_OP_CREATE,
144 state->fixed, sizeof(state->fixed),
146 if (tevent_req_nomem(subreq, req)) {
147 return tevent_req_post(req, ev);
149 tevent_req_set_callback(subreq, smb2cli_create_done, req);
153 static void smb2cli_create_done(struct tevent_req *subreq)
155 struct tevent_req *req =
156 tevent_req_callback_data(subreq,
158 struct smb2cli_create_state *state =
160 struct smb2cli_create_state);
164 uint32_t offset, length;
166 status = smb2cli_req_recv(subreq, talloc_tos(), &iov, 89);
167 if (tevent_req_nterror(req, status)) {
171 body = (uint8_t *)iov[1].iov_base;
173 state->oplock_level = CVAL(body, 2);
174 state->create_action = IVAL(body, 4);
175 state->creation_time = interpret_long_date((char *)body + 8);
176 state->last_access_time = interpret_long_date((char *)body + 16);
177 state->last_write_time = interpret_long_date((char *)body + 24);
178 state->change_time = interpret_long_date((char *)body + 32);
179 state->allocation_size = BVAL(body, 40);
180 state->end_of_file = BVAL(body, 48);
181 state->file_attributes = IVAL(body, 56);
182 state->fid_persistent = BVAL(body, 64);
183 state->fid_volatile = BVAL(body, 72);
185 offset = IVAL(body, 80);
186 length = IVAL(body, 84);
188 if ((offset != 0) && (length != 0)) {
189 if ((offset != SMB2_HDR_BODY + 88) ||
190 (length > iov[2].iov_len)) {
192 req, NT_STATUS_INVALID_NETWORK_RESPONSE);
195 status = smb2_create_blob_parse(
196 state, data_blob_const(iov[2].iov_base, length),
198 if (tevent_req_nterror(req, status)) {
202 tevent_req_done(req);
205 NTSTATUS smb2cli_create_recv(struct tevent_req *req,
206 uint64_t *fid_persistent,
207 uint64_t *fid_volatile)
209 struct smb2cli_create_state *state =
211 struct smb2cli_create_state);
214 if (tevent_req_is_nterror(req, &status)) {
217 *fid_persistent = state->fid_persistent;
218 *fid_volatile = state->fid_volatile;
222 NTSTATUS smb2cli_create(struct cli_state *cli,
223 const char *filename,
224 uint8_t oplock_level, /* SMB2_OPLOCK_LEVEL_* */
225 uint32_t impersonation_level, /* SMB2_IMPERSONATION_* */
226 uint32_t desired_access,
227 uint32_t file_attributes,
228 uint32_t share_access,
229 uint32_t create_disposition,
230 uint32_t create_options,
231 struct smb2_create_blobs *blobs,
232 uint64_t *fid_persistent,
233 uint64_t *fid_volatile)
235 TALLOC_CTX *frame = talloc_stackframe();
236 struct event_context *ev;
237 struct tevent_req *req;
238 NTSTATUS status = NT_STATUS_NO_MEMORY;
240 if (cli_has_async_calls(cli)) {
242 * Can't use sync call while an async call is in flight
244 status = NT_STATUS_INVALID_PARAMETER;
247 ev = event_context_init(frame);
251 req = smb2cli_create_send(frame, ev, cli, filename, oplock_level,
252 impersonation_level, desired_access,
253 file_attributes, share_access,
254 create_disposition, create_options,
259 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
262 status = smb2cli_create_recv(req, fid_persistent, fid_volatile);