1a90cf9f2SGordon Ross /*
2a90cf9f2SGordon Ross * This file and its contents are supplied under the terms of the
3a90cf9f2SGordon Ross * Common Development and Distribution License ("CDDL"), version 1.0.
4a90cf9f2SGordon Ross * You may only use this file in accordance with the terms of version
5a90cf9f2SGordon Ross * 1.0 of the CDDL.
6a90cf9f2SGordon Ross *
7a90cf9f2SGordon Ross * A full copy of the text of the CDDL should have accompanied this
8a90cf9f2SGordon Ross * source. A copy of the CDDL is also available via the Internet at
9a90cf9f2SGordon Ross * http://www.illumos.org/license/CDDL.
10a90cf9f2SGordon Ross */
11a90cf9f2SGordon Ross
12a90cf9f2SGordon Ross /*
1393bc28dbSGordon Ross * Copyright 2017 Nexenta Systems, Inc. All rights reserved.
14a90cf9f2SGordon Ross */
15a90cf9f2SGordon Ross
16*4e065a9fSAlexander Stetsenko /*
17*4e065a9fSAlexander Stetsenko * Copyright 2020 RackTop Systems, Inc.
18*4e065a9fSAlexander Stetsenko */
19*4e065a9fSAlexander Stetsenko
20a90cf9f2SGordon Ross /*
21a90cf9f2SGordon Ross * Dispatch function for SMB2_QUERY_INFO
22a90cf9f2SGordon Ross */
23a90cf9f2SGordon Ross
24a90cf9f2SGordon Ross #include <smbsrv/smb2_kproto.h>
25a90cf9f2SGordon Ross #include <smbsrv/smb_fsops.h>
26a90cf9f2SGordon Ross #include <smbsrv/ntifs.h>
27a90cf9f2SGordon Ross
28a90cf9f2SGordon Ross smb_sdrc_t
smb2_query_info(smb_request_t * sr)29a90cf9f2SGordon Ross smb2_query_info(smb_request_t *sr)
30a90cf9f2SGordon Ross {
31a90cf9f2SGordon Ross smb_queryinfo_t *qi;
32a90cf9f2SGordon Ross uint16_t StructSize;
33a90cf9f2SGordon Ross uint32_t oBufLength;
34a90cf9f2SGordon Ross uint16_t iBufOffset;
35a90cf9f2SGordon Ross uint32_t iBufLength;
36a90cf9f2SGordon Ross smb2fid_t smb2fid;
37a90cf9f2SGordon Ross uint16_t DataOff;
38a90cf9f2SGordon Ross uint32_t status;
39a90cf9f2SGordon Ross int rc = 0;
40a90cf9f2SGordon Ross
4193bc28dbSGordon Ross qi = smb_srm_zalloc(sr, sizeof (*qi));
42a90cf9f2SGordon Ross
43a90cf9f2SGordon Ross /*
44a90cf9f2SGordon Ross * SMB2 Query Info request
45a90cf9f2SGordon Ross */
46a90cf9f2SGordon Ross rc = smb_mbc_decodef(
47a90cf9f2SGordon Ross &sr->smb_data, "wbblw..lllqq",
48a90cf9f2SGordon Ross &StructSize, /* w */
49a90cf9f2SGordon Ross &qi->qi_InfoType, /* b */
50a90cf9f2SGordon Ross &qi->qi_InfoClass, /* b */
51a90cf9f2SGordon Ross &oBufLength, /* l */
52a90cf9f2SGordon Ross &iBufOffset, /* w */
53a90cf9f2SGordon Ross /* reserved .. */
54a90cf9f2SGordon Ross &iBufLength, /* l */
55a90cf9f2SGordon Ross &qi->qi_AddlInfo, /* l */
56a90cf9f2SGordon Ross &qi->qi_Flags, /* l */
57a90cf9f2SGordon Ross &smb2fid.persistent, /* q */
58a90cf9f2SGordon Ross &smb2fid.temporal); /* q */
5993bc28dbSGordon Ross if (rc || StructSize != 41)
6093bc28dbSGordon Ross return (SDRC_ERROR);
61a90cf9f2SGordon Ross
62a90cf9f2SGordon Ross /*
63a90cf9f2SGordon Ross * If there's an input buffer, setup a shadow.
64a90cf9f2SGordon Ross */
65a90cf9f2SGordon Ross if (iBufLength) {
66a90cf9f2SGordon Ross rc = MBC_SHADOW_CHAIN(&qi->in_data, &sr->smb_data,
67a90cf9f2SGordon Ross sr->smb2_cmd_hdr + iBufOffset, iBufLength);
68a90cf9f2SGordon Ross if (rc) {
6993bc28dbSGordon Ross return (SDRC_ERROR);
70a90cf9f2SGordon Ross }
71a90cf9f2SGordon Ross }
72a90cf9f2SGordon Ross
7393bc28dbSGordon Ross if (oBufLength > smb2_max_trans)
7493bc28dbSGordon Ross oBufLength = smb2_max_trans;
75a90cf9f2SGordon Ross sr->raw_data.max_bytes = oBufLength;
76a90cf9f2SGordon Ross
7793bc28dbSGordon Ross status = smb2sr_lookup_fid(sr, &smb2fid);
7893bc28dbSGordon Ross DTRACE_SMB2_START(op__QueryInfo, smb_request_t *, sr);
7993bc28dbSGordon Ross
8093bc28dbSGordon Ross if (status)
8193bc28dbSGordon Ross goto errout;
8293bc28dbSGordon Ross
83a90cf9f2SGordon Ross switch (qi->qi_InfoType) {
84a90cf9f2SGordon Ross case SMB2_0_INFO_FILE:
85a90cf9f2SGordon Ross status = smb2_qinfo_file(sr, qi);
86a90cf9f2SGordon Ross break;
87a90cf9f2SGordon Ross case SMB2_0_INFO_FILESYSTEM:
88a90cf9f2SGordon Ross status = smb2_qinfo_fs(sr, qi);
89a90cf9f2SGordon Ross break;
90a90cf9f2SGordon Ross case SMB2_0_INFO_SECURITY:
91a90cf9f2SGordon Ross status = smb2_qinfo_sec(sr, qi);
92a90cf9f2SGordon Ross break;
93a90cf9f2SGordon Ross case SMB2_0_INFO_QUOTA:
94a90cf9f2SGordon Ross status = smb2_qinfo_quota(sr, qi);
95a90cf9f2SGordon Ross break;
96a90cf9f2SGordon Ross default:
97a90cf9f2SGordon Ross status = NT_STATUS_INVALID_PARAMETER;
98a90cf9f2SGordon Ross break;
99a90cf9f2SGordon Ross }
100a90cf9f2SGordon Ross
10193bc28dbSGordon Ross errout:
10293bc28dbSGordon Ross sr->smb2_status = status;
10393bc28dbSGordon Ross DTRACE_SMB2_DONE(op__QueryInfo, smb_request_t *, sr);
10493bc28dbSGordon Ross
105a90cf9f2SGordon Ross switch (status) {
106a90cf9f2SGordon Ross
107a90cf9f2SGordon Ross case 0: /* success */
108a90cf9f2SGordon Ross break;
109a90cf9f2SGordon Ross
110a90cf9f2SGordon Ross case NT_STATUS_BUFFER_OVERFLOW:
111a90cf9f2SGordon Ross /* Not really an error, per se. Advisory. */
112a90cf9f2SGordon Ross break;
113a90cf9f2SGordon Ross
114*4e065a9fSAlexander Stetsenko case NT_STATUS_BUFFER_TOO_SMALL: /* only in smb2_qinfo_sec.c */
115a90cf9f2SGordon Ross /*
116*4e065a9fSAlexander Stetsenko * [MS-SMB2] 3.3.5.20.3
117*4e065a9fSAlexander Stetsenko * Handling SMB2_0_INFO_SECURITY
118*4e065a9fSAlexander Stetsenko * If dialect 3.1.1 must return 4-byte value
119*4e065a9fSAlexander Stetsenko * containing required buffer size.
120*4e065a9fSAlexander Stetsenko * ByteCount==12, ErrorContextCount==1,
121*4e065a9fSAlexander Stetsenko * ErrorData: ErrorDataLength==4,ErrorId==0
122*4e065a9fSAlexander Stetsenko * ErrorContextData==<buffer size>
123*4e065a9fSAlexander Stetsenko * Otherwise ByteCount==4
124*4e065a9fSAlexander Stetsenko *
125*4e065a9fSAlexander Stetsenko * When returning with data, 3.1.1 encapsulate.
126a90cf9f2SGordon Ross */
127*4e065a9fSAlexander Stetsenko if (sr->session->dialect < SMB_VERS_3_11) {
128*4e065a9fSAlexander Stetsenko smb2sr_put_error_data(sr, status, &sr->raw_data);
129*4e065a9fSAlexander Stetsenko } else {
130*4e065a9fSAlexander Stetsenko smb2sr_put_error_ctx0(sr, status, &sr->raw_data);
131*4e065a9fSAlexander Stetsenko }
132*4e065a9fSAlexander Stetsenko return (SDRC_SUCCESS);
133*4e065a9fSAlexander Stetsenko
134*4e065a9fSAlexander Stetsenko case NT_STATUS_INFO_LENGTH_MISMATCH: /* there is no in smb2_qinfo_*.c */
135*4e065a9fSAlexander Stetsenko /*
136*4e065a9fSAlexander Stetsenko * [MS-SMB2] 3.3.5.20.1
137*4e065a9fSAlexander Stetsenko * SMB 3.1.1 Handling SMB2_0_INFO_FILE
138*4e065a9fSAlexander Stetsenko * [MS-SMB2] 3.3.5.20.2
139*4e065a9fSAlexander Stetsenko * SMB 3.1.1 Handling SMB2_0_INFO_FILESYSTEM
140*4e065a9fSAlexander Stetsenko *
141*4e065a9fSAlexander Stetsenko * ByteCount==8, ErrorContextCount==1,
142*4e065a9fSAlexander Stetsenko * ErrorData: ErrorDataLength==0,ErrorId==0
143*4e065a9fSAlexander Stetsenko * Otherwise ByteCount==0
144*4e065a9fSAlexander Stetsenko */
145*4e065a9fSAlexander Stetsenko if (sr->session->dialect < SMB_VERS_3_11) {
146*4e065a9fSAlexander Stetsenko smb2sr_put_error_data(sr, status, NULL);
147*4e065a9fSAlexander Stetsenko } else {
148*4e065a9fSAlexander Stetsenko smb2sr_put_error_ctx0(sr, status, NULL);
149*4e065a9fSAlexander Stetsenko }
15093bc28dbSGordon Ross return (SDRC_SUCCESS);
151a90cf9f2SGordon Ross
152a90cf9f2SGordon Ross default:
153a90cf9f2SGordon Ross smb2sr_put_error(sr, status);
15493bc28dbSGordon Ross return (SDRC_SUCCESS);
155a90cf9f2SGordon Ross }
156a90cf9f2SGordon Ross
157a90cf9f2SGordon Ross /*
158a90cf9f2SGordon Ross * SMB2 Query Info reply
159a90cf9f2SGordon Ross */
160a90cf9f2SGordon Ross DataOff = SMB2_HDR_SIZE + 8;
161a90cf9f2SGordon Ross oBufLength = MBC_LENGTH(&sr->raw_data);
162a90cf9f2SGordon Ross rc = smb_mbc_encodef(
163a90cf9f2SGordon Ross &sr->reply, "wwlC",
164a90cf9f2SGordon Ross 9, /* StructSize */ /* w */
165a90cf9f2SGordon Ross DataOff, /* w */
166a90cf9f2SGordon Ross oBufLength, /* l */
167a90cf9f2SGordon Ross &sr->raw_data); /* C */
168a90cf9f2SGordon Ross if (rc)
16993bc28dbSGordon Ross sr->smb2_status = NT_STATUS_INTERNAL_ERROR;
170a90cf9f2SGordon Ross
17193bc28dbSGordon Ross return (SDRC_SUCCESS);
172a90cf9f2SGordon Ross }
173