bool FindIVT(RidList rids, out bool foundIVT, out uint ivtBlobDataOffset)
{
ivtBlobDataOffset = 0;
foundIVT = false;
uint otherIVTBlobOffset = uint.MaxValue;
using (var blobStream = md.BlobStream.GetClonedImageStream()) {
var tbl = md.TablesStream.CustomAttributeTable;
uint baseOffset = (uint)tbl.StartOffset;
var columnType = tbl.Columns[1];
var columnValue = tbl.Columns[2];
for (int i = 0; i < rids.Count; i++)
{
uint rid = rids[i];
uint offset = baseOffset + (rid - 1) * tbl.RowSize;
uint type = ReadColumn(columnType, offset);
if (!IsIVTCtor(type))
{
continue;
}
foundIVT = true;
uint blobOffset = ReadColumn(columnValue, offset);
if (blobOffset + ivtBlob.Length > blobStream.Length)
{
continue;
}
blobStream.Position = blobOffset;
if (!blobStream.ReadCompressedUInt32(out uint len))
{
continue;
}
var compressedSize = blobStream.Position - blobOffset;
if (compressedSize + len < ivtBlob.Length)
{
continue;
}
if (!ParseIVTBlob(blobStream, blobStream.Position + len, out var publicKeyString))
{
continue;
}
if (StringComparer.OrdinalIgnoreCase.Equals(publicKeyString, ROSLYN_OPEN_SOURCE_PUBLIC_KEY))
{
ivtBlobDataOffset = (uint)md.BlobStream.StartOffset + blobOffset;
return(true);
}
else
{
otherIVTBlobOffset = (uint)md.BlobStream.StartOffset + blobOffset;
}
}
}
if (otherIVTBlobOffset != uint.MaxValue)
{
ivtBlobDataOffset = otherIVTBlobOffset;
return(true);
}
return(false);
}
void ReadConstants(SymbolScopeImpl scope, RidList rids)
{
if (rids.Count == 0)
{
return;
}
scope.SetConstants(pdbMetadata, rids);
}
private void Button2_Click(object sender, EventArgs e)
{
//打开.NET程序集/模块
ModuleDefMD module = ModuleDefMD.Load(this.textBox1.Text);
RidList typeDef = module.Metadata.GetTypeDefRidList();
for (int i = 0; i < module.Types.Count; i++)
{
var t = module.Types[i];
if (t.Name == "TestAction")
{
for (int j = 0; j < t.Methods.Count; j++)
{
if (t.Methods[j].Name == "Check")
{
var method = t.Methods[j];
Instruction[] opCodes =
{
Instruction.Create(OpCodes.Ldc_I4_1),
Instruction.Create(OpCodes.Ret)
};
for (int l = 0; l < opCodes.Length; l++)
{
method.Body.Instructions[l] = opCodes[l];
}
}
}
}
}
//保存程序集
module.Write(@"C:\Users\tchivs\source\repos\ComponentOneCrack\TestLibrary\bin\Debug\TestLibraryCrack.dll", new ModuleWriterOptions(module)
{
MetadataOptions = { Flags = MetadataFlags.KeepOldMaxStack }
});
}
void ReadVariables(SymbolScopeImpl scope, GenericParamContext gpContext, RidList rids)
{
if (rids.Count == 0)
{
return;
}
var table = pdbMetadata.TablesStream.LocalVariableTable;
var custInfos = ListCache <PdbCustomDebugInfo> .AllocList();
for (int i = 0; i < rids.Count; i++)
{
var rid = rids[i];
int token = new MDToken(Table.LocalVariable, rid).ToInt32();
custInfos.Clear();
GetCustomDebugInfos(token, gpContext, custInfos);
var customDebugInfos = custInfos.Count == 0 ? Array2.Empty <PdbCustomDebugInfo>() : custInfos.ToArray();
bool b = pdbMetadata.TablesStream.TryReadLocalVariableRow(rid, out var row);
Debug.Assert(b);
var name = pdbMetadata.StringsStream.Read(row.Name);
scope.localsList.Add(new SymbolVariableImpl(name, ToSymbolVariableAttributes(row.Attributes), row.Index, customDebugInfos));
}
ListCache <PdbCustomDebugInfo> .Free(ref custInfos);
}
internal void SetConstants(Metadata metadata, RidList rids)
{
constantsMetadata = metadata;
constantRidList = rids;
}
