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Merged FileFullEAInformationList into FileFullEAInformation

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This commit is contained in:
Tal Aloni 2017-01-10 10:48:17 +02:00
parent 3b4c50c190
commit 7ab79e6300
5 changed files with 112 additions and 134 deletions
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6
SMBLibrary/SMB1/NTTransactSubcommands/NTTransactCreateRequest.cs
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@ -1,4 +1,4 @@
/* Copyright (C) 2014 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved. /* Copyright (C) 2014-2017 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
* *
* You can redistribute this program and/or modify it under the terms of * You can redistribute this program and/or modify it under the terms of
* the GNU Lesser Public License as published by the Free Software Foundation, * the GNU Lesser Public License as published by the Free Software Foundation,
@ -34,7 +34,7 @@ namespace SMBLibrary.SMB1
public string Name; // OEM / Unicode. NOT null terminated. (MUST be aligned to start on a 2-byte boundary from the start of the NT_Trans_Parameters) public string Name; // OEM / Unicode. NOT null terminated. (MUST be aligned to start on a 2-byte boundary from the start of the NT_Trans_Parameters)
// Data: // Data:
public SecurityDescriptor SecurityDescriptor; public SecurityDescriptor SecurityDescriptor;
public FileFullEAInformationList ExtendedAttributes; public List<FileFullEAInformation> ExtendedAttributes;
public NTTransactCreateRequest() public NTTransactCreateRequest()
{ {
@ -66,7 +66,7 @@ namespace SMBLibrary.SMB1
{ {
SecurityDescriptor = new SecurityDescriptor(data, 0); SecurityDescriptor = new SecurityDescriptor(data, 0);
} }
ExtendedAttributes = new FileFullEAInformationList(data, (int)securityDescriptiorLength); ExtendedAttributes = FileFullEAInformation.ReadList(data, (int)securityDescriptiorLength);
} }
public override byte[] GetParameters(bool isUnicode) public override byte[] GetParameters(bool isUnicode)

3
SMBLibrary/SMBLibrary.csproj
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@ -386,8 +386,7 @@
<Compile Include="Structures\ACE\Enums\AceFlags.cs" /> <Compile Include="Structures\ACE\Enums\AceFlags.cs" />
<Compile Include="Structures\ACE\Enums\AceType.cs" /> <Compile Include="Structures\ACE\Enums\AceType.cs" />
<Compile Include="Structures\ACL.cs" /> <Compile Include="Structures\ACL.cs" />
<Compile Include="Structures\FileFullEAInformation.cs" /> <Compile Include="Structures\FileInformation\Set\FileFullEAInformation.cs" />
<Compile Include="Structures\FileFullEAInformationList.cs" />
<Compile Include="Structures\ObjectIDBufferType1.cs" /> <Compile Include="Structures\ObjectIDBufferType1.cs" />
<Compile Include="Structures\SecurityDescriptor.cs" /> <Compile Include="Structures\SecurityDescriptor.cs" />
<Compile Include="Structures\SID.cs" /> <Compile Include="Structures\SID.cs" />

62
SMBLibrary/Structures/FileFullEAInformation.cs
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@ -1,62 +0,0 @@
/* Copyright (C) 2014 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
*
* You can redistribute this program and/or modify it under the terms of
* the GNU Lesser Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*/
using System;
using System.Collections.Generic;
using System.Text;
using Utilities;
namespace SMBLibrary
{
/// <summary>
/// [MS-FSCC] FILE_FULL_EA_INFORMATION data element
/// </summary>
public class FileFullEAInformation
{
public const int FixedLength = 8;
public uint NextEntryOffset;
public byte Flags;
private byte EaNameLength;
private ushort EaValueLength;
public string EaName; // ASCII
public string EaValue; // ASCII
public FileFullEAInformation()
{
}
public FileFullEAInformation(byte[] buffer, int offset)
{
NextEntryOffset = LittleEndianReader.ReadUInt32(buffer, ref offset);
Flags = ByteReader.ReadByte(buffer, ref offset);
EaNameLength = ByteReader.ReadByte(buffer, ref offset);
EaValueLength = LittleEndianReader.ReadUInt16(buffer, ref offset);
EaName = ByteReader.ReadAnsiString(buffer, ref offset, EaNameLength);
EaValue = ByteReader.ReadAnsiString(buffer, ref offset, EaValueLength);
}
public void WriteBytes(byte[] buffer, int offset)
{
EaNameLength = (byte)EaName.Length;
EaValueLength = (ushort)EaValue.Length;
LittleEndianWriter.WriteUInt32(buffer, ref offset, NextEntryOffset);
ByteWriter.WriteByte(buffer, ref offset, Flags);
ByteWriter.WriteByte(buffer, ref offset, EaNameLength);
LittleEndianWriter.WriteUInt16(buffer, ref offset, EaValueLength);
ByteWriter.WriteAnsiString(buffer, ref offset, EaName);
ByteWriter.WriteAnsiString(buffer, ref offset, EaValue);
}
public int Length
{
get
{
return FixedLength + EaName.Length + EaValue.Length;
}
}
}
}

67
SMBLibrary/Structures/FileFullEAInformationList.cs
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@ -1,67 +0,0 @@
/* Copyright (C) 2014 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
*
* You can redistribute this program and/or modify it under the terms of
* the GNU Lesser Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*/
using System;
using System.Collections.Generic;
using System.Text;
namespace SMBLibrary
{
/// <summary>
/// [MS-FSCC] FILE_FULL_EA_INFORMATION buffer
/// </summary>
public class FileFullEAInformationList : List<FileFullEAInformation>
{
public FileFullEAInformationList()
{
}
public FileFullEAInformationList(byte[] buffer, int offset)
{
FileFullEAInformation entry = new FileFullEAInformation(buffer, offset);
this.Add(entry);
while (entry.NextEntryOffset != 0)
{
entry = new FileFullEAInformation(buffer, (int)entry.NextEntryOffset);
this.Add(entry);
}
}
public void WriteBytes(byte[] buffer, int offset)
{
// When multiple FILE_FULL_EA_INFORMATION data elements are present in the buffer, each MUST be aligned on a 4-byte boundary
for (int index = 0; index < this.Count; index++)
{
this[index].WriteBytes(buffer, offset);
offset += this[index].Length;
if (index < this.Count - 1)
{
int padding = (4 - (offset % 4)) % 4;
offset += padding;
}
}
}
public int Length
{
get
{
// When multiple FILE_FULL_EA_INFORMATION data elements are present in the buffer, each MUST be aligned on a 4-byte boundary
int length = 0;
for(int index = 0; index < this.Count; index++)
{
length += this[index].Length;
if (index < this.Count - 1)
{
int padding = (4 - (length % 4)) % 4;
length += padding;
}
}
return length;
}
}
}
}

108
SMBLibrary/Structures/FileInformation/Set/FileFullEAInformation.cs Normal file
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@ -0,0 +1,108 @@
/* Copyright (C) 2014-2017 Tal Aloni <tal.aloni.il@gmail.com>. All rights reserved.
*
* You can redistribute this program and/or modify it under the terms of
* the GNU Lesser Public License as published by the Free Software Foundation,
* either version 3 of the License, or (at your option) any later version.
*/
using System;
using System.Collections.Generic;
using System.Text;
using Utilities;
namespace SMBLibrary
{
/// <summary>
/// [MS-FSCC] 2.4.15 - FILE_FULL_EA_INFORMATION
/// </summary>
public class FileFullEAInformation
{
public const int FixedLength = 8;
public uint NextEntryOffset;
public byte Flags;
private byte EaNameLength;
private ushort EaValueLength;
public string EaName; // 8-bit ASCII
public string EaValue; // 8-bit ASCII
public FileFullEAInformation()
{
}
public FileFullEAInformation(byte[] buffer, int offset)
{
NextEntryOffset = LittleEndianReader.ReadUInt32(buffer, ref offset);
Flags = ByteReader.ReadByte(buffer, ref offset);
EaNameLength = ByteReader.ReadByte(buffer, ref offset);
EaValueLength = LittleEndianReader.ReadUInt16(buffer, ref offset);
EaName = ByteReader.ReadAnsiString(buffer, ref offset, EaNameLength);
EaValue = ByteReader.ReadAnsiString(buffer, ref offset, EaValueLength);
}
public void WriteBytes(byte[] buffer, int offset)
{
EaNameLength = (byte)EaName.Length;
EaValueLength = (ushort)EaValue.Length;
LittleEndianWriter.WriteUInt32(buffer, ref offset, NextEntryOffset);
ByteWriter.WriteByte(buffer, ref offset, Flags);
ByteWriter.WriteByte(buffer, ref offset, EaNameLength);
LittleEndianWriter.WriteUInt16(buffer, ref offset, EaValueLength);
ByteWriter.WriteAnsiString(buffer, ref offset, EaName);
ByteWriter.WriteAnsiString(buffer, ref offset, EaValue);
}
public int Length
{
get
{
return FixedLength + EaName.Length + EaValue.Length;
}
}
public static List<FileFullEAInformation> ReadList(byte[] buffer, int offset)
{
List<FileFullEAInformation> result = new List<FileFullEAInformation>();
FileFullEAInformation entry;
do
{
entry = new FileFullEAInformation(buffer, offset);
result.Add(entry);
}
while (entry.NextEntryOffset != 0);
return result;
}
public static void WriteList(byte[] buffer, int offset, List<FileFullEAInformation> list)
{
// When multiple FILE_FULL_EA_INFORMATION data elements are present in the buffer, each MUST be aligned on a 4-byte boundary
for (int index = 0; index < list.Count; index++)
{
FileFullEAInformation entry = list[index];
entry.WriteBytes(buffer, offset);
int entryLength = entry.Length;
offset += entryLength;
if (index < list.Count - 1)
{
int padding = (4 - (entryLength % 4)) % 4;
offset += padding;
}
}
}
public int GetListLength(List<FileFullEAInformation> list)
{
// When multiple FILE_FULL_EA_INFORMATION data elements are present in the buffer, each MUST be aligned on a 4-byte boundary
int length = 0;
for (int index = 0; index < list.Count; index++)
{
length += list[index].Length;
if (index < list.Count - 1)
{
int padding = (4 - (length % 4)) % 4;
length += padding;
}
}
return length;
}
}
}