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-rw-r--r--source3/libsmb/clioplock.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/source3/libsmb/clioplock.c b/source3/libsmb/clioplock.c
new file mode 100644
index 0000000000..a52dcf3a3e
--- /dev/null
+++ b/source3/libsmb/clioplock.c
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+/*
+ Unix SMB/Netbios implementation.
+ Version 3.0
+ SMB client oplock functions
+ Copyright (C) Andrew Tridgell 2001
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+extern int DEBUGLEVEL;
+
+
+/****************************************************************************
+send an ack for an oplock break request
+****************************************************************************/
+BOOL cli_oplock_ack(struct cli_state *cli, int fnum, unsigned char level)
+{
+ char *oldbuf = cli->outbuf;
+ pstring buf;
+ BOOL ret;
+
+ cli->outbuf = buf;
+
+ memset(buf,'\0',smb_size);
+ set_message(buf,8,0,True);
+
+ CVAL(buf,smb_com) = SMBlockingX;
+ SSVAL(buf,smb_tid, cli->cnum);
+ cli_setup_packet(cli);
+ SSVAL(buf,smb_vwv0,0xFF);
+ SSVAL(buf,smb_vwv1,0);
+ SSVAL(buf,smb_vwv2,fnum);
+ if (level == 1)
+ SSVAL(buf,smb_vwv3,0x102); /* levelII oplock break ack */
+ else
+ SSVAL(buf,smb_vwv3,2); /* exclusive oplock break ack */
+ SIVAL(buf,smb_vwv4,0); /* timoeut */
+ SSVAL(buf,smb_vwv6,0); /* unlockcount */
+ SSVAL(buf,smb_vwv7,0); /* lockcount */
+
+ ret = cli_send_smb(cli);
+
+ cli->outbuf = oldbuf;
+
+ return ret;
+}
+
+
+/****************************************************************************
+set the oplock handler for a connection
+****************************************************************************/
+void cli_oplock_handler(struct cli_state *cli,
+ BOOL (*handler)(struct cli_state *, int, unsigned char))
+{
+ cli->oplock_handler = handler;
+}
+