1 files changed, 82 insertions, 0 deletions
diff --git a/source4/libcli/smb2/lock.c b/source4/libcli/smb2/lock.c
new file mode 100644
index 0000000..f2a76d8
--- /dev/null
+++ b/source4/libcli/smb2/lock.c
@@ -0,0 +1,82 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   SMB2 client lock handling
+
+   Copyright (C) Stefan Metzmacher 2006
+   
+   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 lock request
+*/
+struct smb2_request *smb2_lock_send(struct smb2_tree *tree, struct smb2_lock *io)
+{
+	struct smb2_request *req;
+	int i;
+
+	req = smb2_request_init_tree(tree, SMB2_OP_LOCK, 
+				     24 + io->in.lock_count*24, false, 0);
+	if (req == NULL) return NULL;
+
+	/* this is quite bizarre - the spec says we must lie about the length! */
+	SSVAL(req->out.body, 0, 0x30);
+
+	SSVAL(req->out.body, 0x02, io->in.lock_count);
+	SIVAL(req->out.body, 0x04, io->in.lock_sequence);
+	smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
+
+	for (i=0;i<io->in.lock_count;i++) {
+		SBVAL(req->out.body, 0x18 + i*24, io->in.locks[i].offset);
+		SBVAL(req->out.body, 0x20 + i*24, io->in.locks[i].length);
+		SIVAL(req->out.body, 0x28 + i*24, io->in.locks[i].flags);
+		SIVAL(req->out.body, 0x2C + i*24, io->in.locks[i].reserved);
+	}
+
+	smb2_transport_send(req);
+
+	return req;
+}
+
+
+/*
+  recv a lock reply
+*/
+NTSTATUS smb2_lock_recv(struct smb2_request *req, struct smb2_lock *io)
+{
+	if (!smb2_request_receive(req) || 
+	    smb2_request_is_error(req)) {
+		return smb2_request_destroy(req);
+	}
+
+	SMB2_CHECK_PACKET_RECV(req, 0x04, false);
+
+	io->out.reserved = SVAL(req->in.body, 0x02);
+
+	return smb2_request_destroy(req);
+}
+
+/*
+  sync lock request
+*/
+NTSTATUS smb2_lock(struct smb2_tree *tree, struct smb2_lock *io)
+{
+	struct smb2_request *req = smb2_lock_send(tree, io);
+	return smb2_lock_recv(req, io);
+}