public NetHeaderDlg(NETHeader header)
{
this.header = header;
InitializeComponent();
textBox1.Text = "0x" + header.RawOffset.ToString("X8");
textBox2.Text = header.Flags.ToString();
textBox3.Text = header.MetaDataHeader.VersionString;
textBox4.Text = header.MetaDataStreams.Length.ToString();
textBox5.Text = "0x" + header.EntryPointToken.ToString("X8");
for (int i = 0; i <= header.MetaDataStreams.Length - 1; i++)
{
DataGridViewRow row = new DataGridViewRow();
row.Cells.Add(new DataGridViewTextBoxCell() { Value = header.MetaDataStreams[i].HeaderOffset.ToString("X8") });
row.Cells.Add(new DataGridViewTextBoxCell() { Value = header.MetaDataStreams[i].StreamSize.ToString("X8") });
row.Cells.Add(new DataGridViewTextBoxCell() { Value = header.MetaDataStreams[i].Name });
byte[] bytes = new byte[4];
new MemoryStream(header.MetaDataStreams[i].Contents).Read(bytes,0,4);
string firstbytestext = "";
foreach (byte b in bytes)
firstbytestext += b.ToString("X2") + " ";
firstbytestext += "...";
row.Cells.Add(new DataGridViewTextBoxCell() { Value = firstbytestext });
row.Tag = header.MetaDataStreams[i];
dataGridView1.Rows.Add(row);
}
dataGridView1.CellDoubleClick += new DataGridViewCellEventHandler(dataGridView1_CellDoubleClick);
}
internal NETHeaderReader(NTHeader header, NETHeader parent)
{
this.parent = parent;
header._assembly._netHeader = parent;
image = header._assembly._peImage;
this.ntHeader = header;
}
internal NETTableReconstructor(TablesHeap tablesHeap)
{
this.tablesHeap = tablesHeap;
this.netHeader = tablesHeap.netheader;
stream = new MemoryStream();
writer = new BinaryWriter(stream);
stream.Seek(0, SeekOrigin.Begin);
}
internal MetaDataStream(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
{
this.headeroffset = headeroffset;
this.netheader = netheader;
this.streamHeader = rawHeader;
this.name = name;
this.indexsize = 2;
}
internal MetaDataStream(NETHeader netheader, NETHeaderReader reader, int headeroffset, int offset, int size, string name)
{
this.headeroffset = headeroffset;
this.netheader = netheader;
this.offset = offset;
this.size = size;
this.reader = reader;
this.name = name;
}
private void ConstructNetDirectories(NETHeader newHeader)
{
newHeader.DataDirectories = new DataDirectory[] {
new DataDirectory(DataDirectoryName.NETMetadata, default(Section), 0, newHeader._rawHeader.MetaData),
new DataDirectory(DataDirectoryName.NETResource, default(Section), 0, newHeader._rawHeader.Resources),
new DataDirectory(DataDirectoryName.NETStrongName, default(Section), 0, newHeader._rawHeader.StrongNameSignature),
new DataDirectory(DataDirectoryName.NETCodeManager, default(Section), 0, newHeader._rawHeader.CodeManagerTable),
new DataDirectory(DataDirectoryName.NETVTableFixups, default(Section), 0, newHeader._rawHeader.VTableFixups),
new DataDirectory(DataDirectoryName.NETExport, default(Section), 0, newHeader._rawHeader.ExportAddressTableJumps),
new DataDirectory(DataDirectoryName.NETNativeHeader, default(Section), 0, newHeader._rawHeader.ManagedNativeHeader),
};
}
internal MetaDataStream(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
{
this._headeroffset = headeroffset;
this._netheader = netheader;
this._streamHeader = rawHeader;
this._name = name;
this._indexsize = 2;
byte[] contents = netheader._assembly._peImage.ReadBytes(StreamOffset, (int)StreamSize);
_mainStream = new MemoryStream();
_binReader = new BinaryReader(_mainStream);
_binWriter = new BinaryWriter(_mainStream);
_mainStream.Write(contents, 0, contents.Length);
_mainStream.Seek(0, SeekOrigin.Begin);
}
private MetaDataStream GetHeap(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
{
switch (name)
{
case "#~":
case "#-":
return new TablesHeap(netheader, headeroffset, rawHeader, name);
case "#Strings":
return new StringsHeap(netheader, headeroffset, rawHeader, name);
case "#US":
return new UserStringsHeap(netheader, headeroffset, rawHeader, name);
case "#GUID":
return new GuidHeap(netheader, headeroffset, rawHeader, name);
case "#Blob":
return new BlobHeap(netheader, headeroffset, rawHeader, name);
default:
throw new ArgumentException("Metadatastream is not recognized as a valid heap.");
}
}
private MetaDataStream GetHeap(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
{
switch (name)
{
case "#~":
case "#-":
return new TablesHeap(netheader, headeroffset, rawHeader, name);
case "#Strings":
return new StringsHeap(netheader, headeroffset, rawHeader, name);
case "#US":
return new UserStringsHeap(netheader, headeroffset, rawHeader, name);
case "#GUID":
return new GuidHeap(netheader, headeroffset, rawHeader, name);
case "#Blob":
return new BlobHeap(netheader, headeroffset, rawHeader, name);
default:
return new MetaDataStream(netheader, headeroffset, rawHeader, name);
}
}
public BlobSignatureReader(byte[] bytes, NETHeader netHeader)
: this(new MemoryStream(bytes), netHeader)
{
}
public BlobSignatureReader(Stream input, NETHeader netHeader)
: base(input)
{
_netHeader = netHeader;
}
internal UserStringsHeap(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
: base(netheader, headeroffset, rawHeader, name)
{
stream = new MemoryStream(Contents);
binaryreader = new BinaryReader(stream);
}
public MetaDataRow(uint offset, params ValueType[] parts)
{
this._offset = offset;
this._parts = parts;
this._netHeader = null;
}
internal NETHeaderReader(NTHeader header, NETHeader parent)
{
header.assembly.netHeader = parent;
image = header.assembly.peImage;
this.ntHeader = header;
}
/// <summary>
/// Gets the Portable Executeable's NT header by specifing the assembly.
/// </summary>
/// <param name="assembly">The assembly to read the nt header</param>
/// <returns></returns>
public static NETHeader FromAssembly(Win32Assembly assembly)
{
NETHeader header = new NETHeader();
header.assembly = assembly;
header.reader = new NETHeaderReader(assembly.ntHeader, header);
header.metadata = new MetaDataHeader(header.reader);
header.reader.LoadData();
header.flags = header.reader.netHeader.Flags;
header.entryPointToken = header.reader.netHeader.EntryPointToken;
header.TokenResolver = new MetaDataTokenResolver(header);
return header;
}
public MetaDataRow(uint offset, params ValueType[] parts)
{
this._offset = offset;
this._parts = parts;
this._netHeader = null;
}
public BlobSignatureReader(Stream input, NETHeader netHeader)
: base(input)
{
_netHeader = netHeader;
}
internal TablesHeap(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
: base(netheader, headeroffset, rawHeader, name)
{
}
private void UpdateNetDirectories(NETHeader newHeader)
{
ConstructNetDirectories(newHeader);
// first stream has offset equal to md header size.
uint mdSize = newHeader.MetaDataStreams[0]._streamHeader.Offset;
// add sizes of streams.
foreach (MetaDataStream stream in newHeader.MetaDataStreams)
mdSize += stream.StreamSize;
newHeader.MetaDataDirectory.Size = mdSize;
// TODO: resources directory.
}
public BlobSignatureReader(byte[] bytes, NETHeader netHeader)
: this(new MemoryStream(bytes), netHeader)
{
}
/// <summary>
/// Gets the Portable Executeable's NT header by specifing the assembly.
/// </summary>
/// <param name="assembly">The assembly to read the nt header</param>
/// <returns></returns>
public static NETHeader FromAssembly(Win32Assembly assembly)
{
NETHeader header = new NETHeader();
header._assembly = assembly;
NETHeaderReader reader = new NETHeaderReader(assembly._ntHeader, header);
header._metadata = new MetaDataHeader(reader);
reader.LoadData();
header.TokenResolver = new MetaDataTokenResolver(header);
return header;
}
internal UserStringsHeap(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
: base(netheader, headeroffset, rawHeader, name)
{
}
//MetaDataStream stream)
//: base(stream)
internal BlobHeap(NETHeader netheader, int headeroffset, Structures.METADATA_STREAM_HEADER rawHeader, string name)
: base(netheader, headeroffset, rawHeader, name)
{
this.mainStream = new MemoryStream(Contents);
this.mainReader = new BinaryReader(this.mainStream);
}
