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Diffstat (limited to 'Emby.Server.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs')
-rw-r--r--Emby.Server.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs448
1 files changed, 0 insertions, 448 deletions
diff --git a/Emby.Server.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs b/Emby.Server.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs
deleted file mode 100644
index 28e98406e..000000000
--- a/Emby.Server.Implementations/IO/SharpCifs/Netbios/NameServicePacket.cs
+++ /dev/null
@@ -1,448 +0,0 @@
-// 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.Net;
-using SharpCifs.Util;
-using SharpCifs.Util.Sharpen;
-
-namespace SharpCifs.Netbios
-{
- internal abstract class NameServicePacket
- {
- internal const int Query = 0;
-
- internal const int Wack = 7;
-
- internal const int FmtErr = 0x1;
-
- internal const int SrvErr = 0x2;
-
- internal const int ImpErr = 0x4;
-
- internal const int RfsErr = 0x5;
-
- internal const int ActErr = 0x6;
-
- internal const int CftErr = 0x7;
-
- internal const int NbIn = 0x00200001;
-
- internal const int NbstatIn = 0x00210001;
-
- internal const int Nb = 0x0020;
-
- internal const int Nbstat = 0x0021;
-
- internal const int In = 0x0001;
-
- internal const int A = 0x0001;
-
- internal const int Ns = 0x0002;
-
- internal const int Null = 0x000a;
-
- internal const int HeaderLength = 12;
-
- internal const int OpcodeOffset = 2;
-
- internal const int QuestionOffset = 4;
-
- internal const int AnswerOffset = 6;
-
- internal const int AuthorityOffset = 8;
-
- internal const int AdditionalOffset = 10;
-
- // opcode
- // rcode
- // type/class
- // header field offsets
- internal static void WriteInt2(int val, byte[] dst, int dstIndex)
- {
- dst[dstIndex++] = unchecked((byte)((val >> 8) & unchecked(0xFF)));
- dst[dstIndex] = unchecked((byte)(val & unchecked(0xFF)));
- }
-
- internal static void WriteInt4(int val, byte[] dst, int dstIndex)
- {
- dst[dstIndex++] = unchecked((byte)((val >> 24) & unchecked(0xFF)));
- dst[dstIndex++] = unchecked((byte)((val >> 16) & unchecked(0xFF)));
- dst[dstIndex++] = unchecked((byte)((val >> 8) & unchecked(0xFF)));
- dst[dstIndex] = unchecked((byte)(val & unchecked(0xFF)));
- }
-
- internal static int ReadInt2(byte[] src, int srcIndex)
- {
- return ((src[srcIndex] & unchecked(0xFF)) << 8) + (src[srcIndex + 1] & unchecked(
- 0xFF));
- }
-
- internal static int ReadInt4(byte[] src, int srcIndex)
- {
- return ((src[srcIndex] & unchecked(0xFF)) << 24) + ((src[srcIndex + 1] & unchecked(
- 0xFF)) << 16) + ((src[srcIndex + 2] & unchecked(0xFF)) << 8) + (src
- [srcIndex + 3] & unchecked(0xFF));
- }
-
- internal static int ReadNameTrnId(byte[] src, int srcIndex)
- {
- return ReadInt2(src, srcIndex);
- }
-
- internal int AddrIndex;
-
- internal NbtAddress[] AddrEntry;
-
- internal int NameTrnId;
-
- internal int OpCode;
-
- internal int ResultCode;
-
- internal int QuestionCount;
-
- internal int AnswerCount;
-
- internal int AuthorityCount;
-
- internal int AdditionalCount;
-
- internal bool Received;
-
- internal bool IsResponse;
-
- internal bool IsAuthAnswer;
-
- internal bool IsTruncated;
-
- internal bool IsRecurDesired;
-
- internal bool IsRecurAvailable;
-
- internal bool IsBroadcast;
-
- internal Name QuestionName;
-
- internal Name RecordName;
-
- internal int QuestionType;
-
- internal int QuestionClass;
-
- internal int RecordType;
-
- internal int RecordClass;
-
- internal int Ttl;
-
- internal int RDataLength;
-
- internal IPAddress Addr;
-
- public NameServicePacket()
- {
- IsRecurDesired = true;
- IsBroadcast = true;
- QuestionCount = 1;
- QuestionClass = In;
- }
-
- internal virtual int WriteWireFormat(byte[] dst, int dstIndex)
- {
- int start = dstIndex;
- dstIndex += WriteHeaderWireFormat(dst, dstIndex);
- dstIndex += WriteBodyWireFormat(dst, dstIndex);
- return dstIndex - start;
- }
-
- internal virtual int ReadWireFormat(byte[] src, int srcIndex)
- {
- int start = srcIndex;
- srcIndex += ReadHeaderWireFormat(src, srcIndex);
- srcIndex += ReadBodyWireFormat(src, srcIndex);
- return srcIndex - start;
- }
-
- internal virtual int WriteHeaderWireFormat(byte[] dst, int dstIndex)
- {
- int start = dstIndex;
- WriteInt2(NameTrnId, dst, dstIndex);
- dst[dstIndex + OpcodeOffset] = unchecked((byte)((IsResponse ? unchecked(0x80) : unchecked(0x00)) + ((OpCode << 3) & unchecked(0x78)) + (IsAuthAnswer
- ? unchecked(0x04) : unchecked(0x00)) + (IsTruncated ? unchecked(0x02) : unchecked(0x00)) + (IsRecurDesired ? unchecked(0x01)
- : unchecked(0x00))));
- dst[dstIndex + OpcodeOffset + 1] = unchecked((byte)((IsRecurAvailable ? unchecked(
- 0x80) : unchecked(0x00)) + (IsBroadcast ? unchecked(0x10) :
- unchecked(0x00)) + (ResultCode & unchecked(0x0F))));
- WriteInt2(QuestionCount, dst, start + QuestionOffset);
- WriteInt2(AnswerCount, dst, start + AnswerOffset);
- WriteInt2(AuthorityCount, dst, start + AuthorityOffset);
- WriteInt2(AdditionalCount, dst, start + AdditionalOffset);
- return HeaderLength;
- }
-
- internal virtual int ReadHeaderWireFormat(byte[] src, int srcIndex)
- {
- NameTrnId = ReadInt2(src, srcIndex);
- IsResponse = ((src[srcIndex + OpcodeOffset] & unchecked(0x80)) == 0) ? false
- : true;
- OpCode = (src[srcIndex + OpcodeOffset] & unchecked(0x78)) >> 3;
- IsAuthAnswer = ((src[srcIndex + OpcodeOffset] & unchecked(0x04)) == 0) ?
- false : true;
- IsTruncated = ((src[srcIndex + OpcodeOffset] & unchecked(0x02)) == 0) ? false
- : true;
- IsRecurDesired = ((src[srcIndex + OpcodeOffset] & unchecked(0x01)) == 0) ?
- false : true;
- IsRecurAvailable = ((src[srcIndex + OpcodeOffset + 1] & unchecked(0x80))
- == 0) ? false : true;
- IsBroadcast = ((src[srcIndex + OpcodeOffset + 1] & unchecked(0x10)) == 0)
- ? false : true;
- ResultCode = src[srcIndex + OpcodeOffset + 1] & unchecked(0x0F);
- QuestionCount = ReadInt2(src, srcIndex + QuestionOffset);
- AnswerCount = ReadInt2(src, srcIndex + AnswerOffset);
- AuthorityCount = ReadInt2(src, srcIndex + AuthorityOffset);
- AdditionalCount = ReadInt2(src, srcIndex + AdditionalOffset);
- return HeaderLength;
- }
-
- internal virtual int WriteQuestionSectionWireFormat(byte[] dst, int dstIndex)
- {
- int start = dstIndex;
- dstIndex += QuestionName.WriteWireFormat(dst, dstIndex);
- WriteInt2(QuestionType, dst, dstIndex);
- dstIndex += 2;
- WriteInt2(QuestionClass, dst, dstIndex);
- dstIndex += 2;
- return dstIndex - start;
- }
-
- internal virtual int ReadQuestionSectionWireFormat(byte[] src, int srcIndex)
- {
- int start = srcIndex;
- srcIndex += QuestionName.ReadWireFormat(src, srcIndex);
- QuestionType = ReadInt2(src, srcIndex);
- srcIndex += 2;
- QuestionClass = ReadInt2(src, srcIndex);
- srcIndex += 2;
- return srcIndex - start;
- }
-
- internal virtual int WriteResourceRecordWireFormat(byte[] dst, int dstIndex)
- {
- int start = dstIndex;
- if (RecordName == QuestionName)
- {
- dst[dstIndex++] = unchecked(unchecked(0xC0));
- // label string pointer to
- dst[dstIndex++] = unchecked(unchecked(0x0C));
- }
- else
- {
- // questionName (offset 12)
- dstIndex += RecordName.WriteWireFormat(dst, dstIndex);
- }
- WriteInt2(RecordType, dst, dstIndex);
- dstIndex += 2;
- WriteInt2(RecordClass, dst, dstIndex);
- dstIndex += 2;
- WriteInt4(Ttl, dst, dstIndex);
- dstIndex += 4;
- RDataLength = WriteRDataWireFormat(dst, dstIndex + 2);
- WriteInt2(RDataLength, dst, dstIndex);
- dstIndex += 2 + RDataLength;
- return dstIndex - start;
- }
-
- internal virtual int ReadResourceRecordWireFormat(byte[] src, int srcIndex)
- {
- int start = srcIndex;
- int end;
- if ((src[srcIndex] & unchecked(0xC0)) == unchecked(0xC0))
- {
- RecordName = QuestionName;
- // label string pointer to questionName
- srcIndex += 2;
- }
- else
- {
- srcIndex += RecordName.ReadWireFormat(src, srcIndex);
- }
- RecordType = ReadInt2(src, srcIndex);
- srcIndex += 2;
- RecordClass = ReadInt2(src, srcIndex);
- srcIndex += 2;
- Ttl = ReadInt4(src, srcIndex);
- srcIndex += 4;
- RDataLength = ReadInt2(src, srcIndex);
- srcIndex += 2;
- AddrEntry = new NbtAddress[RDataLength / 6];
- end = srcIndex + RDataLength;
- for (AddrIndex = 0; srcIndex < end; AddrIndex++)
- {
- srcIndex += ReadRDataWireFormat(src, srcIndex);
- }
- return srcIndex - start;
- }
-
- internal abstract int WriteBodyWireFormat(byte[] dst, int dstIndex);
-
- internal abstract int ReadBodyWireFormat(byte[] src, int srcIndex);
-
- internal abstract int WriteRDataWireFormat(byte[] dst, int dstIndex);
-
- internal abstract int ReadRDataWireFormat(byte[] src, int srcIndex);
-
- public override string ToString()
- {
- string opCodeString;
- string resultCodeString;
- string questionTypeString;
- string recordTypeString;
-
- switch (OpCode)
- {
- case Query:
- {
- opCodeString = "QUERY";
- break;
- }
-
- case Wack:
- {
- opCodeString = "WACK";
- break;
- }
-
- default:
- {
- opCodeString = Extensions.ToString(OpCode);
- break;
- }
- }
- switch (ResultCode)
- {
- case FmtErr:
- {
- resultCodeString = "FMT_ERR";
- break;
- }
-
- case SrvErr:
- {
- resultCodeString = "SRV_ERR";
- break;
- }
-
- case ImpErr:
- {
- resultCodeString = "IMP_ERR";
- break;
- }
-
- case RfsErr:
- {
- resultCodeString = "RFS_ERR";
- break;
- }
-
- case ActErr:
- {
- resultCodeString = "ACT_ERR";
- break;
- }
-
- case CftErr:
- {
- resultCodeString = "CFT_ERR";
- break;
- }
-
- default:
- {
- resultCodeString = "0x" + Hexdump.ToHexString(ResultCode, 1);
- break;
- }
- }
- switch (QuestionType)
- {
- case Nb:
- {
- questionTypeString = "NB";
- break;
- }
-
- case Nbstat:
- {
- questionTypeString = "NBSTAT";
- break;
- }
-
- default:
- {
- questionTypeString = "0x" + Hexdump.ToHexString(QuestionType, 4);
- break;
- }
- }
- switch (RecordType)
- {
- case A:
- {
- recordTypeString = "A";
- break;
- }
-
- case Ns:
- {
- recordTypeString = "NS";
- break;
- }
-
- case Null:
- {
- recordTypeString = "NULL";
- break;
- }
-
- case Nb:
- {
- recordTypeString = "NB";
- break;
- }
-
- case Nbstat:
- {
- recordTypeString = "NBSTAT";
- break;
- }
-
- default:
- {
- recordTypeString = "0x" + Hexdump.ToHexString(RecordType, 4);
- break;
- }
- }
- return "nameTrnId=" + NameTrnId + ",isResponse=" + IsResponse + ",opCode="
- + opCodeString + ",isAuthAnswer=" + IsAuthAnswer + ",isTruncated=" + IsTruncated
- + ",isRecurAvailable=" + IsRecurAvailable + ",isRecurDesired=" + IsRecurDesired
- + ",isBroadcast=" + IsBroadcast + ",resultCode=" + ResultCode + ",questionCount="
- + QuestionCount + ",answerCount=" + AnswerCount + ",authorityCount=" + AuthorityCount
- + ",additionalCount=" + AdditionalCount + ",questionName=" + QuestionName + ",questionType="
- + questionTypeString + ",questionClass=" + (QuestionClass == In ? "IN" : "0x" +
- Hexdump.ToHexString(QuestionClass, 4)) + ",recordName=" + RecordName + ",recordType="
- + recordTypeString + ",recordClass=" + (RecordClass == In ? "IN" : "0x" + Hexdump
- .ToHexString(RecordClass, 4)) + ",ttl=" + Ttl + ",rDataLength=" + RDataLength;
- }
- }
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-07 19:19:27 +0000