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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
// 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 System.IO;
using SharpCifs.Util;
using SharpCifs.Util.Sharpen;
namespace SharpCifs.Smb
{
/// <summary>
/// There are hundreds of error codes that may be returned by a CIFS
/// server.
/// </summary>
/// <remarks>
/// There are hundreds of error codes that may be returned by a CIFS
/// server. Rather than represent each with it's own <code>Exception</code>
/// class, this class represents all of them. For many of the popular
/// error codes, constants and text messages like "The device is not ready"
/// are provided.
/// <p>
/// The jCIFS client maps DOS error codes to NTSTATUS codes. This means that
/// the user may recieve a different error from a legacy server than that of
/// a newer varient such as Windows NT and above. If you should encounter
/// such a case, please report it to jcifs at samba dot org and we will
/// change the mapping.
/// </remarks>
public class SmbException : IOException
{
internal static string GetMessageByCode(int errcode)
{
if (errcode == 0)
{
return "NT_STATUS_SUCCESS";
}
if ((errcode & unchecked((int)(0xC0000000))) == unchecked((int)(0xC0000000)))
{
int min = 1;
int max = NtStatus.NtStatusCodes.Length - 1;
while (max >= min)
{
int mid = (min + max) / 2;
if (errcode > NtStatus.NtStatusCodes[mid])
{
min = mid + 1;
}
else
{
if (errcode < NtStatus.NtStatusCodes[mid])
{
max = mid - 1;
}
else
{
return NtStatus.NtStatusMessages[mid];
}
}
}
}
else
{
int min = 0;
int max = DosError.DosErrorCodes.Length - 1;
while (max >= min)
{
int mid = (min + max) / 2;
if (errcode > DosError.DosErrorCodes[mid][0])
{
min = mid + 1;
}
else
{
if (errcode < DosError.DosErrorCodes[mid][0])
{
max = mid - 1;
}
else
{
return DosError.DosErrorMessages[mid];
}
}
}
}
return "0x" + Hexdump.ToHexString(errcode, 8);
}
internal static int GetStatusByCode(int errcode)
{
if ((errcode & unchecked((int)(0xC0000000))) != 0)
{
return errcode;
}
int min = 0;
int max = DosError.DosErrorCodes.Length - 1;
while (max >= min)
{
int mid = (min + max) / 2;
if (errcode > DosError.DosErrorCodes[mid][0])
{
min = mid + 1;
}
else
{
if (errcode < DosError.DosErrorCodes[mid][0])
{
max = mid - 1;
}
else
{
return DosError.DosErrorCodes[mid][1];
}
}
}
return NtStatus.NtStatusUnsuccessful;
}
internal static string GetMessageByWinerrCode(int errcode)
{
int min = 0;
int max = WinError.WinerrCodes.Length - 1;
while (max >= min)
{
int mid = (min + max) / 2;
if (errcode > WinError.WinerrCodes[mid])
{
min = mid + 1;
}
else
{
if (errcode < WinError.WinerrCodes[mid])
{
max = mid - 1;
}
else
{
return WinError.WinerrMessages[mid];
}
}
}
return errcode + string.Empty;
}
private int _status;
private Exception _rootCause;
public SmbException()
{
}
internal SmbException(int errcode, Exception rootCause) : base(GetMessageByCode(errcode
))
{
_status = GetStatusByCode(errcode);
this._rootCause = rootCause;
}
public SmbException(string msg) : base(msg)
{
_status = NtStatus.NtStatusUnsuccessful;
}
public SmbException(string msg, Exception rootCause) : base(msg)
{
this._rootCause = rootCause;
_status = NtStatus.NtStatusUnsuccessful;
}
public SmbException(int errcode, bool winerr) : base(winerr ? GetMessageByWinerrCode
(errcode) : GetMessageByCode(errcode))
{
_status = winerr ? errcode : GetStatusByCode(errcode);
}
public virtual int GetNtStatus()
{
return _status;
}
public virtual Exception GetRootCause()
{
return _rootCause;
}
public override string ToString()
{
if (_rootCause != null)
{
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
Runtime.PrintStackTrace(_rootCause, pw);
return base.ToString() + "\n" + sw;
}
return base.ToString();
}
}
}
|
