2 Unix SMB/CIFS implementation.
4 SMB2 client notify calls
6 Copyright (C) Stefan Metzmacher 2006
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.
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.
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/>.
23 #include "libcli/raw/libcliraw.h"
24 #include "libcli/smb2/smb2.h"
25 #include "libcli/smb2/smb2_calls.h"
30 struct smb2_request *smb2_notify_send(struct smb2_tree *tree, struct smb2_notify *io)
32 struct smb2_request *req;
35 req = smb2_request_init_tree(tree, SMB2_OP_NOTIFY, 0x20, false, 0);
36 if (req == NULL) return NULL;
38 SSVAL(req->out.hdr, SMB2_HDR_UNKNOWN1, 0x0030);
40 SSVAL(req->out.body, 0x02, io->in.recursive);
41 SIVAL(req->out.body, 0x04, io->in.buffer_size);
42 smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
43 SIVAL(req->out.body, 0x18, io->in.completion_filter);
44 SIVAL(req->out.body, 0x1C, io->in.unknown);
46 old_timeout = req->transport->options.timeout;
47 req->transport->options.timeout = 0;
48 smb2_transport_send(req);
49 req->transport->options.timeout = old_timeout;
58 NTSTATUS smb2_notify_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
59 struct smb2_notify *io)
65 if (!smb2_request_receive(req) ||
66 !smb2_request_is_ok(req)) {
67 return smb2_request_destroy(req);
70 SMB2_CHECK_PACKET_RECV(req, 0x08, true);
72 status = smb2_pull_o16s32_blob(&req->in, mem_ctx, req->in.body+0x02, &blob);
73 if (!NT_STATUS_IS_OK(status)) {
77 io->out.changes = NULL;
78 io->out.num_changes = 0;
81 for (ofs=0; blob.length - ofs > 12; ) {
82 uint32_t next = IVAL(blob.data, ofs);
83 io->out.num_changes++;
84 if (next == 0 || (ofs + next) >= blob.length) break;
89 io->out.changes = talloc_array(mem_ctx, struct notify_changes, io->out.num_changes);
90 if (!io->out.changes) {
91 return NT_STATUS_NO_MEMORY;
94 for (i=ofs=0; i<io->out.num_changes; i++) {
95 io->out.changes[i].action = IVAL(blob.data, ofs+4);
96 smbcli_blob_pull_string(NULL, mem_ctx, &blob,
97 &io->out.changes[i].name,
98 ofs+8, ofs+12, STR_UNICODE);
99 ofs += IVAL(blob.data, ofs);
102 return smb2_request_destroy(req);
108 NTSTATUS smb2_notify(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
109 struct smb2_notify *io)
111 struct smb2_request *req = smb2_notify_send(tree, io);
112 return smb2_notify_recv(req, mem_ctx, io);