xref: /illumos-gate/usr/src/uts/common/fs/smbsrv/smb2_tree_disconn.c (revision 9b9d39d2a32ff806d2431dbcc50968ef1e6d46b2)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
14  */
15 
16 /*
17  * Dispatch function for SMB2_TREE_DISCONNECT
18  */
19 
20 #include <smbsrv/smb2_kproto.h>
21 
22 smb_sdrc_t
23 smb2_tree_disconn(smb_request_t *sr)
24 {
25 	uint16_t StructSize;
26 	uint16_t reserved;
27 	int rc;
28 
29 	/*
30 	 * SMB2 Tree Disconnect request
31 	 */
32 	rc = smb_mbc_decodef(
33 	    &sr->smb_data, "ww",
34 	    &StructSize,		/* w */
35 	    &reserved);			/* w */
36 	if (rc)
37 		return (SDRC_ERROR);
38 	if (StructSize != 4)
39 		return (SDRC_ERROR);
40 
41 	/* Dispatch makes sure we have uid_user, tid_tree */
42 
43 	DTRACE_SMB2_START(op__TreeDisconnect, smb_request_t *, sr);
44 
45 	smb_tree_disconnect(sr->tid_tree, B_TRUE);
46 	smb_session_cancel_requests(sr->session, sr->tid_tree, sr);
47 
48 	DTRACE_SMB2_DONE(op__TreeDisconnect, smb_request_t *, sr);
49 
50 	/*
51 	 * SMB2 Tree Disconnect reply
52 	 */
53 	(void) smb_mbc_encodef(
54 	    &sr->reply, "wwl",
55 	    4,	/* StructSize */	/* w */
56 	    0); /* reserved */		/* w */
57 
58 	return (SDRC_SUCCESS);
59 }
60