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 2014 Nexenta Systems, Inc. All rights reserved.
14 */
15
16 /*
17 * Dispatch function for SMB2_FLUSH
18 */
19
20 #include <smbsrv/smb2_kproto.h>
21 #include <smbsrv/smb_fsops.h>
22
23 smb_sdrc_t
smb2_flush(smb_request_t * sr)24 smb2_flush(smb_request_t *sr)
25 {
26 smb_ofile_t *of = NULL;
27 uint16_t StructSize;
28 uint16_t reserved1;
29 uint32_t reserved2;
30 smb2fid_t smb2fid;
31 uint32_t status;
32 int rc = 0;
33
34 /*
35 * SMB2 Flush request
36 */
37 rc = smb_mbc_decodef(
38 &sr->smb_data, "wwlqq",
39 &StructSize, /* w */
40 &reserved1, /* w */
41 &reserved2, /* l */
42 &smb2fid.persistent, /* q */
43 &smb2fid.temporal); /* q */
44 if (rc)
45 return (SDRC_ERROR);
46 if (StructSize != 24)
47 return (SDRC_ERROR);
48
49 status = smb2sr_lookup_fid(sr, &smb2fid);
50 if (status) {
51 smb2sr_put_error(sr, status);
52 return (SDRC_SUCCESS);
53 }
54 of = sr->fid_ofile;
55
56 /*
57 * XXX - todo:
58 * Flush named pipe should drain writes.
59 */
60 if ((of->f_node->flags & NODE_FLAGS_WRITE_THROUGH) == 0)
61 (void) smb_fsop_commit(sr, of->f_cr, of->f_node);
62
63 /*
64 * SMB2 Flush reply
65 */
66 (void) smb_mbc_encodef(
67 &sr->reply, "wwl",
68 4, /* StructSize */ /* w */
69 0); /* reserved */ /* w */
70
71 return (SDRC_SUCCESS);
72 }
73