Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/source3/smbd/smb1_oplock.c b/source3/smbd/smb1_oplock.c
new file mode 100644
index 0000000..5b8a09b
--- /dev/null
+++ b/source3/smbd/smb1_oplock.c
@@ -0,0 +1,72 @@
+/*
+   Unix SMB/CIFS implementation.
+   oplock processing
+   Copyright (C) Andrew Tridgell 1992-1998
+   Copyright (C) Jeremy Allison 1998 - 2001
+   Copyright (C) Volker Lendecke 2005
+
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "lib/util/server_id.h"
+#include "locking/share_mode_lock.h"
+#include "smbd/smbd.h"
+#include "smbd/globals.h"
+#include "messages.h"
+#include "locking/leases_db.h"
+#include "../librpc/gen_ndr/ndr_open_files.h"
+
+/****************************************************************************
+ Set up an oplock break message.
+****************************************************************************/
+
+void new_break_message_smb1(files_struct *fsp, int cmd,
+			    char result[SMB1_BREAK_MESSAGE_LENGTH])
+{
+	memset(result,'\0',smb_size);
+	srv_smb1_set_message(result,8,0,true);
+	SCVAL(result,smb_com,SMBlockingX);
+	SSVAL(result,smb_tid,fsp->conn->cnum);
+	SSVAL(result,smb_pid,0xFFFF);
+	SSVAL(result,smb_uid,0);
+	SSVAL(result,smb_mid,0xFFFF);
+	SCVAL(result,smb_vwv0,0xFF);
+	SSVAL(result,smb_vwv2,fsp->fnum);
+	SCVAL(result,smb_vwv3,LOCKING_ANDX_OPLOCK_RELEASE);
+	SCVAL(result,smb_vwv3+1,cmd);
+}
+
+void send_break_message_smb1(files_struct *fsp, int level)
+{
+	struct smbXsrv_connection *xconn = NULL;
+	char break_msg[SMB1_BREAK_MESSAGE_LENGTH];
+
+	/*
+	 * For SMB1 we only have one connection
+	 */
+	xconn = fsp->conn->sconn->client->connections;
+
+	new_break_message_smb1(fsp, level, break_msg);
+
+	show_msg(break_msg);
+	if (!smb1_srv_send(xconn,
+			   break_msg,
+			   false,
+			   0,
+			   IS_CONN_ENCRYPTED(fsp->conn))) {
+		exit_server_cleanly("send_break_message_smb1: "
+			"smb1_srv_send failed.");
+	}
+}