xref: /illumos-gate/usr/src/uts/common/fs/smbsrv/smb2_set_info.c (revision b327cd3f3b4dab4f29e7140159b1e01ed2ceef2a)
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_SET_INFO
18  */
19 
20 #include <smbsrv/smb2_kproto.h>
21 #include <smbsrv/smb_fsops.h>
22 #include <smbsrv/ntifs.h>
23 
24 smb_sdrc_t
25 smb2_set_info(smb_request_t *sr)
26 {
27 	smb_setinfo_t sinfo;
28 	uint16_t StructSize;
29 	uint16_t iBufOffset;
30 	uint32_t iBufLength;
31 	uint32_t AddlInfo;
32 	smb2fid_t smb2fid;
33 	uint32_t status;
34 	uint8_t InfoType, InfoClass;
35 	smb_sdrc_t sdrc = SDRC_SUCCESS;
36 	int rc = 0;
37 
38 	bzero(&sinfo, sizeof (sinfo));
39 
40 	/*
41 	 * SMB2 Set Info request
42 	 */
43 	rc = smb_mbc_decodef(
44 	    &sr->smb_data, "wbblw..lqq",
45 	    &StructSize,		/* w */
46 	    &InfoType,			/* b */
47 	    &InfoClass,			/* b */
48 	    &iBufLength,		/* l */
49 	    &iBufOffset,		/* w */
50 	    /* reserved			  .. */
51 	    &AddlInfo,			/* l */
52 	    &smb2fid.persistent,	/* q */
53 	    &smb2fid.temporal);		/* q */
54 	if (rc || StructSize != 33) {
55 		sdrc = SDRC_ERROR;
56 		return (sdrc);
57 	}
58 
59 	if (iBufLength > smb2_max_trans) {
60 		status = NT_STATUS_INVALID_PARAMETER;
61 		goto errout;
62 	}
63 
64 	status = smb2sr_lookup_fid(sr, &smb2fid);
65 	if (status)
66 		goto errout;
67 
68 	sinfo.si_node = sr->fid_ofile->f_node;
69 	sr->user_cr = sr->fid_ofile->f_cr;
70 
71 	/*
72 	 * If there's an input buffer, setup a shadow.
73 	 */
74 	if (iBufLength) {
75 		rc = MBC_SHADOW_CHAIN(&sinfo.si_data, &sr->smb_data,
76 		    sr->smb2_cmd_hdr + iBufOffset, iBufLength);
77 		if (rc) {
78 			status = NT_STATUS_INVALID_PARAMETER;
79 			goto errout;
80 		}
81 	}
82 
83 	/* No output data. */
84 	sr->raw_data.max_bytes = 0;
85 
86 	switch (InfoType) {
87 	case SMB2_0_INFO_FILE:
88 		status = smb2_setinfo_file(sr, &sinfo, InfoClass);
89 		break;
90 	case SMB2_0_INFO_FILESYSTEM:
91 		status = smb2_setinfo_fs(sr, &sinfo, InfoClass);
92 		break;
93 	case SMB2_0_INFO_SECURITY:
94 		status = smb2_setinfo_sec(sr, &sinfo, AddlInfo);
95 		break;
96 	case SMB2_0_INFO_QUOTA:
97 		status = smb2_setinfo_quota(sr, &sinfo);
98 		break;
99 	default:
100 		status = NT_STATUS_INVALID_PARAMETER;
101 		break;
102 	}
103 
104 	if (status) {
105 	errout:
106 		smb2sr_put_error(sr, status);
107 		return (sdrc);
108 	}
109 
110 	/*
111 	 * SMB2 Query Info reply
112 	 */
113 	rc = smb_mbc_encodef(
114 	    &sr->reply, "w..",
115 	    2);	/* StructSize */	/* w */
116 	if (rc)
117 		sdrc = SDRC_ERROR;
118 
119 	return (sdrc);
120 }
121