s4-smb2: check for invalid SMB2 lock ranges
[Samba/cd1.git] / source4 / libcli / climessage.c
blob5ed0e8e3cd23ada6de8f2338806fdadde8963420
1 /*
2 Unix SMB/CIFS implementation.
3 client message handling routines
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) James J Myers 2003 <myersjj@samba.org>
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/>.
21 #include "includes.h"
22 #include "libcli/raw/libcliraw.h"
23 #include "libcli/raw/raw_proto.h"
24 #include "libcli/libcli.h"
27 /****************************************************************************
28 start a message sequence
29 ****************************************************************************/
30 bool smbcli_message_start(struct smbcli_tree *tree, const char *host, const char *username,
31 int *grp)
33 struct smbcli_request *req;
35 req = smbcli_request_setup(tree, SMBsendstrt, 0, 0);
36 smbcli_req_append_string(req, username, STR_TERMINATE);
37 smbcli_req_append_string(req, host, STR_TERMINATE);
38 if (!smbcli_request_send(req) ||
39 !smbcli_request_receive(req) ||
40 smbcli_is_error(tree)) {
41 smbcli_request_destroy(req);
42 return false;
45 *grp = SVAL(req->in.vwv, VWV(0));
46 smbcli_request_destroy(req);
48 return true;
52 /****************************************************************************
53 send a message
54 ****************************************************************************/
55 bool smbcli_message_text(struct smbcli_tree *tree, char *msg, int len, int grp)
57 struct smbcli_request *req;
59 req = smbcli_request_setup(tree, SMBsendtxt, 1, 0);
60 SSVAL(req->out.vwv, VWV(0), grp);
62 smbcli_req_append_bytes(req, (const uint8_t *)msg, len);
64 if (!smbcli_request_send(req) ||
65 !smbcli_request_receive(req) ||
66 smbcli_is_error(tree)) {
67 smbcli_request_destroy(req);
68 return false;
71 smbcli_request_destroy(req);
72 return true;
75 /****************************************************************************
76 end a message
77 ****************************************************************************/
78 bool smbcli_message_end(struct smbcli_tree *tree, int grp)
80 struct smbcli_request *req;
82 req = smbcli_request_setup(tree, SMBsendend, 1, 0);
83 SSVAL(req->out.vwv, VWV(0), grp);
85 if (!smbcli_request_send(req) ||
86 !smbcli_request_receive(req) ||
87 smbcli_is_error(tree)) {
88 smbcli_request_destroy(req);
89 return false;
92 smbcli_request_destroy(req);
93 return true;