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DEFINITIONS
This source file includes following definitions.
- smb2_getinfo_send
- smb2_getinfo_recv
- smb2_getinfo
- smb2_getinfo_map_level
- smb2_getinfo_file_send
- smb2_getinfo_file_recv
- smb2_getinfo_file
- smb2_getinfo_fs_send
- smb2_getinfo_fs_recv
- smb2_getinfo_fs
1 /*
2 Unix SMB/CIFS implementation.
3
4 SMB2 client getinfo calls
5
6 Copyright (C) Andrew Tridgell 2005
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21
22 #include "includes.h"
23 #include "libcli/raw/libcliraw.h"
24 #include "libcli/raw/raw_proto.h"
25 #include "libcli/smb2/smb2.h"
26 #include "libcli/smb2/smb2_calls.h"
27
28 /*
29 send a getinfo request
30 */
31 struct smb2_request *smb2_getinfo_send(struct smb2_tree *tree, struct smb2_getinfo *io)
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32 {
33 struct smb2_request *req;
34 NTSTATUS status;
35
36 req = smb2_request_init_tree(tree, SMB2_OP_GETINFO, 0x28, true,
37 io->in.blob.length);
38 if (req == NULL) return NULL;
39
40 SCVAL(req->out.body, 0x02, io->in.info_type);
41 SCVAL(req->out.body, 0x03, io->in.info_class);
42 SIVAL(req->out.body, 0x04, io->in.output_buffer_length);
43 SIVAL(req->out.body, 0x0C, io->in.reserved);
44 SIVAL(req->out.body, 0x08, io->in.input_buffer_length);
45 SIVAL(req->out.body, 0x10, io->in.additional_information);
46 SIVAL(req->out.body, 0x14, io->in.getinfo_flags);
47 smb2_push_handle(req->out.body+0x18, &io->in.file.handle);
48
49 /* this blob is used for quota queries */
50 status = smb2_push_o32s32_blob(&req->out, 0x08, io->in.blob);
51 if (!NT_STATUS_IS_OK(status)) {
52 talloc_free(req);
53 return NULL;
54 }
55 smb2_transport_send(req);
56
57 return req;
58 }
59
60
61 /*
62 recv a getinfo reply
63 */
64 NTSTATUS smb2_getinfo_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
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65 struct smb2_getinfo *io)
66 {
67 NTSTATUS status;
68
69 if (!smb2_request_receive(req) ||
70 smb2_request_is_error(req)) {
71 return smb2_request_destroy(req);
72 }
73
74 SMB2_CHECK_PACKET_RECV(req, 0x08, true);
75
76 status = smb2_pull_o16s16_blob(&req->in, mem_ctx, req->in.body+0x02, &io->out.blob);
77 if (!NT_STATUS_IS_OK(status)) {
78 return status;
79 }
80
81 return smb2_request_destroy(req);
82 }
83
84 /*
85 sync getinfo request
86 */
87 NTSTATUS smb2_getinfo(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
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88 struct smb2_getinfo *io)
89 {
90 struct smb2_request *req = smb2_getinfo_send(tree, io);
91 return smb2_getinfo_recv(req, mem_ctx, io);
92 }
93
94
95 /*
96 map a generic info level to a SMB2 info level
97 */
98 uint16_t smb2_getinfo_map_level(uint16_t level, uint8_t info_class)
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99 {
100 if (info_class == SMB2_GETINFO_FILE &&
101 level == RAW_FILEINFO_SEC_DESC) {
102 return SMB2_GETINFO_SECURITY;
103 }
104 if ((level & 0xFF) == info_class) {
105 return level;
106 } else if (level > 1000) {
107 return ((level-1000)<<8) | info_class;
108 }
109 DEBUG(0,("Unable to map SMB2 info level 0x%04x of class %d\n",
110 level, info_class));
111 return 0;
112 }
113
114 /*
115 level specific getinfo call - async send
116 */
117 struct smb2_request *smb2_getinfo_file_send(struct smb2_tree *tree, union smb_fileinfo *io)
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118 {
119 struct smb2_getinfo b;
120 uint16_t smb2_level = smb2_getinfo_map_level(io->generic.level, SMB2_GETINFO_FILE);
121
122 if (smb2_level == 0) {
123 return NULL;
124 }
125
126 ZERO_STRUCT(b);
127 b.in.info_type = smb2_level & 0xFF;
128 b.in.info_class = smb2_level >> 8;
129 b.in.output_buffer_length = 0x10000;
130 b.in.input_buffer_length = 0;
131 b.in.file.handle = io->generic.in.file.handle;
132
133 if (io->generic.level == RAW_FILEINFO_SEC_DESC) {
134 b.in.additional_information = io->query_secdesc.in.secinfo_flags;
135 }
136 if (io->generic.level == RAW_FILEINFO_SMB2_ALL_EAS) {
137 b.in.getinfo_flags = io->all_eas.in.continue_flags;
138 }
139
140 return smb2_getinfo_send(tree, &b);
141 }
142
143 /*
144 recv a getinfo reply and parse the level info
145 */
146 NTSTATUS smb2_getinfo_file_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
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147 union smb_fileinfo *io)
148 {
149 struct smb2_getinfo b;
150 NTSTATUS status;
151
152 status = smb2_getinfo_recv(req, mem_ctx, &b);
153 NT_STATUS_NOT_OK_RETURN(status);
154
155 status = smb_raw_fileinfo_passthru_parse(&b.out.blob, mem_ctx, io->generic.level, io);
156 data_blob_free(&b.out.blob);
157
158 return status;
159 }
160
161 /*
162 level specific getinfo call
163 */
164 NTSTATUS smb2_getinfo_file(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
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165 union smb_fileinfo *io)
166 {
167 struct smb2_request *req = smb2_getinfo_file_send(tree, io);
168 return smb2_getinfo_file_recv(req, mem_ctx, io);
169 }
170
171
172 /*
173 level specific getinfo call - async send
174 */
175 struct smb2_request *smb2_getinfo_fs_send(struct smb2_tree *tree, union smb_fsinfo *io)
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176 {
177 struct smb2_getinfo b;
178 uint16_t smb2_level = smb2_getinfo_map_level(io->generic.level, SMB2_GETINFO_FS);
179
180 if (smb2_level == 0) {
181 return NULL;
182 }
183
184 ZERO_STRUCT(b);
185 b.in.output_buffer_length = 0x10000;
186 b.in.file.handle = io->generic.handle;
187 b.in.info_type = smb2_level & 0xFF;
188 b.in.info_class = smb2_level >> 8;
189
190 return smb2_getinfo_send(tree, &b);
191 }
192
193 /*
194 recv a getinfo reply and parse the level info
195 */
196 NTSTATUS smb2_getinfo_fs_recv(struct smb2_request *req, TALLOC_CTX *mem_ctx,
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197 union smb_fsinfo *io)
198 {
199 struct smb2_getinfo b;
200 NTSTATUS status;
201
202 status = smb2_getinfo_recv(req, mem_ctx, &b);
203 NT_STATUS_NOT_OK_RETURN(status);
204
205 status = smb_raw_fsinfo_passthru_parse(b.out.blob, mem_ctx, io->generic.level, io);
206 data_blob_free(&b.out.blob);
207
208 return status;
209 }
210
211 /*
212 level specific getinfo call
213 */
214 NTSTATUS smb2_getinfo_fs(struct smb2_tree *tree, TALLOC_CTX *mem_ctx,
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215 union smb_fsinfo *io)
216 {
217 struct smb2_request *req = smb2_getinfo_fs_send(tree, io);
218 return smb2_getinfo_fs_recv(req, mem_ctx, io);
219 }
220