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
|
// 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
using System;
using SharpCifs.Util.Sharpen;
namespace SharpCifs.Netbios
{
internal class NodeStatusResponse : NameServicePacket
{
private NbtAddress _queryAddress;
private int _numberOfNames;
private byte[] _macAddress;
private byte[] _stats;
internal NbtAddress[] AddressArray;
internal NodeStatusResponse(NbtAddress queryAddress)
{
this._queryAddress = queryAddress;
RecordName = new Name();
_macAddress = new byte[6];
}
internal override int WriteBodyWireFormat(byte[] dst, int dstIndex)
{
return 0;
}
internal override int ReadBodyWireFormat(byte[] src, int srcIndex)
{
return ReadResourceRecordWireFormat(src, srcIndex);
}
internal override int WriteRDataWireFormat(byte[] dst, int dstIndex)
{
return 0;
}
internal override int ReadRDataWireFormat(byte[] src, int srcIndex)
{
int start = srcIndex;
_numberOfNames = src[srcIndex] & unchecked(0xFF);
int namesLength = _numberOfNames * 18;
int statsLength = RDataLength - namesLength - 1;
_numberOfNames = src[srcIndex++] & unchecked(0xFF);
// gotta read the mac first so we can populate addressArray with it
Array.Copy(src, srcIndex + namesLength, _macAddress, 0, 6);
srcIndex += ReadNodeNameArray(src, srcIndex);
_stats = new byte[statsLength];
Array.Copy(src, srcIndex, _stats, 0, statsLength);
srcIndex += statsLength;
return srcIndex - start;
}
private int ReadNodeNameArray(byte[] src, int srcIndex)
{
int start = srcIndex;
AddressArray = new NbtAddress[_numberOfNames];
string n;
int hexCode;
string scope = _queryAddress.HostName.Scope;
bool groupName;
int ownerNodeType;
bool isBeingDeleted;
bool isInConflict;
bool isActive;
bool isPermanent;
int j;
bool addrFound = false;
try
{
for (int i = 0; i < _numberOfNames; srcIndex += 18, i++)
{
for (j = srcIndex + 14; src[j] == unchecked(0x20); j--)
{
}
n = Runtime.GetStringForBytes(src, srcIndex, j - srcIndex + 1, Name.OemEncoding
);
hexCode = src[srcIndex + 15] & unchecked(0xFF);
groupName = ((src[srcIndex + 16] & unchecked(0x80)) == unchecked(0x80)) ? true : false;
ownerNodeType = (src[srcIndex + 16] & unchecked(0x60)) >> 5;
isBeingDeleted = ((src[srcIndex + 16] & unchecked(0x10)) == unchecked(0x10)) ? true : false;
isInConflict = ((src[srcIndex + 16] & unchecked(0x08)) == unchecked(0x08)) ? true : false;
isActive = ((src[srcIndex + 16] & unchecked(0x04)) == unchecked(0x04)) ? true : false;
isPermanent = ((src[srcIndex + 16] & unchecked(0x02)) == unchecked(0x02)) ? true : false;
if (!addrFound && _queryAddress.HostName.HexCode == hexCode && (_queryAddress.HostName
== NbtAddress.UnknownName || _queryAddress.HostName.name.Equals(n)))
{
if (_queryAddress.HostName == NbtAddress.UnknownName)
{
_queryAddress.HostName = new Name(n, hexCode, scope);
}
_queryAddress.GroupName = groupName;
_queryAddress.NodeType = ownerNodeType;
_queryAddress.isBeingDeleted = isBeingDeleted;
_queryAddress.isInConflict = isInConflict;
_queryAddress.isActive = isActive;
_queryAddress.isPermanent = isPermanent;
_queryAddress.MacAddress = _macAddress;
_queryAddress.IsDataFromNodeStatus = true;
addrFound = true;
AddressArray[i] = _queryAddress;
}
else
{
AddressArray[i] = new NbtAddress(new Name(n, hexCode, scope), _queryAddress.Address
, groupName, ownerNodeType, isBeingDeleted, isInConflict, isActive, isPermanent,
_macAddress);
}
}
}
catch (UnsupportedEncodingException)
{
}
return srcIndex - start;
}
public override string ToString()
{
return "NodeStatusResponse[" + base.ToString() + "]";
}
}
}
|
