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, 81 insertions, 0 deletions

diff --git a/source4/libcli/smb2/lease_break.c b/source4/libcli/smb2/lease_break.c
new file mode 100644
index 0000000..c238f1d
--- /dev/null
+++ b/source4/libcli/smb2/lease_break.c
@@ -0,0 +1,81 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   SMB2 client oplock break handling
+
+   Copyright (C) Zachary Loafman 2009
+
+   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 "libcli/smb2/smb2.h"
+#include "libcli/smb2/smb2_calls.h"
+
+/*
+  Send a Lease Break Acknowledgement
+*/
+struct smb2_request *smb2_lease_break_ack_send(struct smb2_tree *tree,
+                                               struct smb2_lease_break_ack *io)
+{
+	struct smb2_request *req;
+
+	req = smb2_request_init_tree(tree, SMB2_OP_BREAK, 0x24, false, 0);
+	if (req == NULL) return NULL;
+
+	SIVAL(req->out.body, 0x02, io->in.reserved);
+	SIVAL(req->out.body, 0x04, io->in.lease.lease_flags);
+	memcpy(req->out.body+0x8, &io->in.lease.lease_key,
+	    sizeof(struct smb2_lease_key));
+	SIVAL(req->out.body, 0x18, io->in.lease.lease_state);
+	SBVAL(req->out.body, 0x1C, io->in.lease.lease_duration);
+
+	smb2_transport_send(req);
+
+	return req;
+}
+
+
+/*
+  Receive a Lease Break Response
+*/
+NTSTATUS smb2_lease_break_ack_recv(struct smb2_request *req,
+                                   struct smb2_lease_break_ack *io)
+{
+	if (!smb2_request_receive(req) ||
+	    !smb2_request_is_ok(req)) {
+		return smb2_request_destroy(req);
+	}
+
+	SMB2_CHECK_PACKET_RECV(req, 0x24, false);
+
+	io->out.reserved		= IVAL(req->in.body, 0x02);
+	io->out.lease.lease_flags	= IVAL(req->in.body, 0x04);
+	memcpy(&io->out.lease.lease_key, req->in.body+0x8,
+	    sizeof(struct smb2_lease_key));
+	io->out.lease.lease_state	= IVAL(req->in.body, 0x18);
+	io->out.lease.lease_duration	= IVAL(req->in.body, 0x1C);
+
+	return smb2_request_destroy(req);
+}
+
+/*
+  sync flush request
+*/
+NTSTATUS smb2_lease_break_ack(struct smb2_tree *tree,
+                              struct smb2_lease_break_ack *io)
+{
+	struct smb2_request *req = smb2_lease_break_ack_send(tree, io);
+	return smb2_lease_break_ack_recv(req, io);
+}