1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
// This code is derived from jcifs smb client library <jcifs at samba dot org>
// Ported by J. Arturo <webmaster at komodosoft dot net>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
namespace SharpCifs.Smb
{
internal class Trans2QueryFsInformationResponse : SmbComTransactionResponse
{
internal const int SMB_INFO_ALLOCATION = 1;
internal const int SmbQueryFsSizeInfo = unchecked(0x103);
internal const int SmbFsFullSizeInformation = 1007;
internal class SmbInfoAllocation : IAllocInfo
{
internal long Alloc;
internal long Free;
internal int SectPerAlloc;
internal int BytesPerSect;
// information levels
// Also handles SmbQueryFSSizeInfo
public virtual long GetCapacity()
{
return Alloc * SectPerAlloc * BytesPerSect;
}
public virtual long GetFree()
{
return Free * SectPerAlloc * BytesPerSect;
}
public override string ToString()
{
return "SmbInfoAllocation[" + "alloc=" + Alloc + ",free=" + Free + ",sectPerAlloc=" + SectPerAlloc + ",bytesPerSect=" + BytesPerSect
+ "]";
}
internal SmbInfoAllocation(Trans2QueryFsInformationResponse enclosing)
{
this._enclosing = enclosing;
}
private readonly Trans2QueryFsInformationResponse _enclosing;
}
private int _informationLevel;
internal IAllocInfo Info;
internal Trans2QueryFsInformationResponse(int informationLevel)
{
this._informationLevel = informationLevel;
Command = SmbComTransaction2;
SubCommand = Smb.SmbComTransaction.Trans2QueryFsInformation;
}
internal override int WriteSetupWireFormat(byte[] dst, int dstIndex)
{
return 0;
}
internal override int WriteParametersWireFormat(byte[] dst, int dstIndex)
{
return 0;
}
internal override int WriteDataWireFormat(byte[] dst, int dstIndex)
{
return 0;
}
internal override int ReadSetupWireFormat(byte[] buffer, int bufferIndex, int len
)
{
return 0;
}
internal override int ReadParametersWireFormat(byte[] buffer, int bufferIndex, int
len)
{
return 0;
}
internal override int ReadDataWireFormat(byte[] buffer, int bufferIndex, int len)
{
switch (_informationLevel)
{
case SMB_INFO_ALLOCATION:
{
return ReadSmbInfoAllocationWireFormat(buffer, bufferIndex);
}
case SmbQueryFsSizeInfo:
{
return ReadSmbQueryFsSizeInfoWireFormat(buffer, bufferIndex);
}
case SmbFsFullSizeInformation:
{
return ReadFsFullSizeInformationWireFormat(buffer, bufferIndex);
}
default:
{
return 0;
}
}
}
internal virtual int ReadSmbInfoAllocationWireFormat(byte[] buffer, int bufferIndex
)
{
int start = bufferIndex;
SmbInfoAllocation info = new SmbInfoAllocation
(this);
bufferIndex += 4;
// skip idFileSystem
info.SectPerAlloc = ReadInt4(buffer, bufferIndex);
bufferIndex += 4;
info.Alloc = ReadInt4(buffer, bufferIndex);
bufferIndex += 4;
info.Free = ReadInt4(buffer, bufferIndex);
bufferIndex += 4;
info.BytesPerSect = ReadInt2(buffer, bufferIndex);
bufferIndex += 4;
this.Info = info;
return bufferIndex - start;
}
internal virtual int ReadSmbQueryFsSizeInfoWireFormat(byte[] buffer, int bufferIndex
)
{
int start = bufferIndex;
SmbInfoAllocation info = new SmbInfoAllocation
(this);
info.Alloc = ReadInt8(buffer, bufferIndex);
bufferIndex += 8;
info.Free = ReadInt8(buffer, bufferIndex);
bufferIndex += 8;
info.SectPerAlloc = ReadInt4(buffer, bufferIndex);
bufferIndex += 4;
info.BytesPerSect = ReadInt4(buffer, bufferIndex);
bufferIndex += 4;
this.Info = info;
return bufferIndex - start;
}
internal virtual int ReadFsFullSizeInformationWireFormat(byte[] buffer, int bufferIndex
)
{
int start = bufferIndex;
SmbInfoAllocation info = new SmbInfoAllocation
(this);
// Read total allocation units.
info.Alloc = ReadInt8(buffer, bufferIndex);
bufferIndex += 8;
// read caller available allocation units
info.Free = ReadInt8(buffer, bufferIndex);
bufferIndex += 8;
// skip actual free units
bufferIndex += 8;
info.SectPerAlloc = ReadInt4(buffer, bufferIndex);
bufferIndex += 4;
info.BytesPerSect = ReadInt4(buffer, bufferIndex);
bufferIndex += 4;
this.Info = info;
return bufferIndex - start;
}
public override string ToString()
{
return "Trans2QueryFSInformationResponse[" + base.ToString() + "]";
}
}
}
|
