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 "../libcli/smb/smbXcli_base.h"
25 #include "libsmb/proto.h"
26 #include "lib/util/tevent_ntstatus.h"
28 struct smb2cli_tcon_state {
29 struct cli_state *cli;
34 static void smb2cli_tcon_done(struct tevent_req *subreq);
36 struct tevent_req *smb2cli_tcon_send(TALLOC_CTX *mem_ctx,
37 struct tevent_context *ev,
38 struct cli_state *cli,
41 struct tevent_req *req, *subreq;
42 struct smb2cli_tcon_state *state;
44 char srv_ip[INET6_ADDRSTRLEN];
45 const char *tcon_share;
49 req = tevent_req_create(mem_ctx, &state, struct smb2cli_tcon_state);
55 print_sockaddr(srv_ip, sizeof(srv_ip), cli_state_remote_sockaddr(cli));
57 tcon_share = talloc_asprintf(talloc_tos(), "\\\\%s\\%s",
59 if (tevent_req_nomem(tcon_share, req)) {
60 return tevent_req_post(req, ev);
62 if (!convert_string_talloc(state, CH_UNIX, CH_UTF16,
63 tcon_share, strlen(tcon_share),
66 return tevent_req_post(req, ev);
69 if (strlen(tcon_share) == 0) {
76 SSVAL(fixed, 4, SMB2_HDR_BODY + 8);
77 SSVAL(fixed, 6, dyn_len);
80 dyn = state->dyn_pad;;
81 dyn_len = sizeof(state->dyn_pad);
84 subreq = smb2cli_req_send(state, ev, cli->conn, SMB2_OP_TCON,
90 state->fixed, sizeof(state->fixed),
92 if (tevent_req_nomem(subreq, req)) {
93 return tevent_req_post(req, ev);
95 tevent_req_set_callback(subreq, smb2cli_tcon_done, req);
99 static void smb2cli_tcon_done(struct tevent_req *subreq)
101 struct tevent_req *req = tevent_req_callback_data(
102 subreq, struct tevent_req);
103 struct smb2cli_tcon_state *state = tevent_req_data(
104 req, struct smb2cli_tcon_state);
105 struct cli_state *cli = state->cli;
109 static const struct smb2cli_req_expected_response expected[] = {
111 .status = NT_STATUS_OK,
116 status = smb2cli_req_recv(subreq, talloc_tos(), &iov,
117 expected, ARRAY_SIZE(expected));
118 if (!NT_STATUS_IS_OK(status)) {
120 tevent_req_nterror(req, status);
124 cli->smb2.tid = IVAL(iov[0].iov_base, SMB2_HDR_TID);
126 body = (uint8_t *)iov[1].iov_base;
127 cli->smb2.share_type = CVAL(body, 2);
128 cli->smb2.share_flags = IVAL(body, 4);
129 cli->smb2.share_capabilities = IVAL(body, 8);
130 cli->smb2.maximal_access = IVAL(body, 12);
133 tevent_req_done(req);
136 NTSTATUS smb2cli_tcon_recv(struct tevent_req *req)
138 return tevent_req_simple_recv_ntstatus(req);
141 NTSTATUS smb2cli_tcon(struct cli_state *cli, const char *share)
143 TALLOC_CTX *frame = talloc_stackframe();
144 struct event_context *ev;
145 struct tevent_req *req;
146 NTSTATUS status = NT_STATUS_NO_MEMORY;
148 if (cli_has_async_calls(cli)) {
150 * Can't use sync call while an async call is in flight
152 status = NT_STATUS_INVALID_PARAMETER;
155 ev = event_context_init(frame);
159 req = smb2cli_tcon_send(frame, ev, cli, share);
163 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
166 status = smb2cli_tcon_recv(req);
172 struct smb2cli_tdis_state {
173 struct cli_state *cli;
177 static void smb2cli_tdis_done(struct tevent_req *subreq);
179 struct tevent_req *smb2cli_tdis_send(TALLOC_CTX *mem_ctx,
180 struct tevent_context *ev,
181 struct cli_state *cli)
183 struct tevent_req *req, *subreq;
184 struct smb2cli_tdis_state *state;
186 req = tevent_req_create(mem_ctx, &state,
187 struct smb2cli_tdis_state);
192 SSVAL(state->fixed, 0, 4);
194 subreq = smb2cli_req_send(state, ev, cli->conn, SMB2_OP_TDIS,
200 state->fixed, sizeof(state->fixed),
202 if (tevent_req_nomem(subreq, req)) {
203 return tevent_req_post(req, ev);
205 tevent_req_set_callback(subreq, smb2cli_tdis_done, req);
209 static void smb2cli_tdis_done(struct tevent_req *subreq)
211 struct tevent_req *req =
212 tevent_req_callback_data(subreq,
214 struct smb2cli_tdis_state *state =
216 struct smb2cli_tdis_state);
219 static const struct smb2cli_req_expected_response expected[] = {
221 .status = NT_STATUS_OK,
226 status = smb2cli_req_recv(subreq, talloc_tos(), &iov,
227 expected, ARRAY_SIZE(expected));
229 if (tevent_req_nterror(req, status)) {
232 state->cli->smb2.tid = 0;
233 tevent_req_done(req);
236 NTSTATUS smb2cli_tdis_recv(struct tevent_req *req)
238 return tevent_req_simple_recv_ntstatus(req);
241 NTSTATUS smb2cli_tdis(struct cli_state *cli)
243 TALLOC_CTX *frame = talloc_stackframe();
244 struct event_context *ev;
245 struct tevent_req *req;
246 NTSTATUS status = NT_STATUS_NO_MEMORY;
248 if (cli_has_async_calls(cli)) {
250 * Can't use sync call while an async call is in flight
252 status = NT_STATUS_INVALID_PARAMETER;
255 ev = event_context_init(frame);
259 req = smb2cli_tdis_send(frame, ev, cli);
263 if (!tevent_req_poll_ntstatus(req, ev, &status)) {
266 status = smb2cli_tdis_recv(req);