added a oplock break handler hook to the client code, this allows for more complete testing of oplocks from smbtorture and would also be essential if a client app ever really did want to use oplocks properly

(This used to be commit 3d4a3bfacd9ef225aeaab801e5a216d12814b60a)

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
@@ -0,0 +1,72 @@
+/* 
+   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;
+}
+