public void AddEventsRange (uint type_rid, Range range)
{
Events.Add (type_rid, range);
}
public void AddPropertiesRange (uint type_rid, Range range)
{
Properties.Add (type_rid, range);
}
public bool TryGetPropertiesRange (TypeDefinition type, out Range range)
{
return Properties.TryGetValue (type.token.RID, out range);
}
internal bool TryGetCustomAttributeRanges(ICustomAttributeProvider owner, out Range[] ranges)
{
return CustomAttributes.TryGetValue (owner.MetadataToken, out ranges);
}
internal bool TryGetSecurityDeclarationRanges(ISecurityDeclarationProvider owner, out Range[] ranges)
{
return SecurityDeclarations.TryGetValue (owner.MetadataToken, out ranges);
}
public bool TryGetCustomAttributeRange (ICustomAttributeProvider owner, out Range range)
{
return CustomAttributes.TryGetValue (owner.MetadataToken, out range);
}
public bool TryGetPropertiesRange(TypeDefinition type, out Range range)
{
return(Properties.TryGetValue(type.token.RID, out range));
}
public void Phase3(MetadataProcessor.MetadataAccessor accessor)
{
MethodTable tbl = accessor.TableHeap.GetTable<MethodTable>(Table.Method);
accessor.Codes.Position = 0;
codes = accessor.Codes.ReadBytes(accessor.Codes.Length);
accessor.Codes.Reset(null);
accessor.Codes.Position = 0;
uint bas = accessor.Codebase;
List<object> o = new List<object>();
for (int i = 0; i < tbl.Length; i++)
{
if (tbl[i].Col1 == 0) continue;
if (excludes.Contains(i) || (tbl[i].Col2 & MethodImplAttributes.CodeTypeMask) != MethodImplAttributes.IL)
{
if ((tbl[i].Col2 & MethodImplAttributes.CodeTypeMask) != MethodImplAttributes.IL)
accessor.Codes.WriteBytes(((accessor.Codes.Position + 15) & ~15) - accessor.Codes.Position);
tbl[i].Col1 = (uint)accessor.Codes.Position + bas;
Range range = accessor.BodyRanges[new MetadataToken(TokenType.Method, i + 1)];
byte[] buff = new byte[range.Length];
Buffer.BlockCopy(codes, (int)(range.Start - bas), buff, 0, buff.Length);
accessor.Codes.WriteBytes(buff);
accessor.Codes.WriteBytes(((accessor.Codes.Position + 3) & ~3) - accessor.Codes.Position);
}
else
{
tbl[i].Col2 |= MethodImplAttributes.NoInlining;
Range range = accessor.BodyRanges[new MetadataToken(TokenType.Method, i + 1)];
range = new Range(range.Start - bas, range.Length);
ExtractRefs(bodies[i], i, o);
var dat = Transform(bodies[i], i, codes, range);
o.Add(dat);
}
}
int[] randArray = new int[o.Count];
for (int i = 0; i < o.Count; i++) randArray[i] = Confuser.Random.Next();
object[] objs = o.ToArray();
Array.Sort(randArray, objs);
var mtdDats = new Dictionary<int, MethodData>();
foreach (var i in objs)
{
if (i is MethodData)
{
MethodData mtdDat = i as MethodData;
mtdDats[mtdDat.Index] = mtdDat;
mtdDat.BufferOffset = finalDat.Position;
finalDat.WriteBytes(mtdDat.Serialize(fieldLayout));
Confuser.Database.AddEntry("AntiTamper", (0x06000001 + mtdDat.Index).ToString("X"), mtdDat.BufferOffset);
}
else
{
StringData strDat = i as StringData;
strDat.BufferOffset = finalDat.Position;
finalDat.WriteBytes(strDat.Serialize(key5));
Confuser.Database.AddEntry("AntiTamper", strDat.String, strDat.BufferOffset);
}
}
foreach (var i in objs)
{
if (i is StringData)
{
StringData dat = i as StringData;
uint token = 0x70800000;
token |= (uint)dat.BufferOffset;
Buffer.BlockCopy(BitConverter.GetBytes(token), 0, mtdDats[dat.Index].ILCodes, dat.Offset, 4);
}
}
byte[] randBuff = new byte[4];
foreach (var i in mtdDats)
{
uint ptr = (uint)i.Value.BufferOffset;
Confuser.Random.NextBytes(randBuff);
uint key = BitConverter.ToUInt32(randBuff, 0);
tbl[i.Key].Col1 = (uint)accessor.Codes.Position + bas;
byte[] buff = i.Value.Serialize(fieldLayout);
Crypt(buff, key * (uint)key4, key);
finalDat.Position = i.Value.BufferOffset;
finalDat.WriteBytes(buff);
accessor.Codes.WriteByte(0x46); //flags
accessor.Codes.WriteByte(0x21); //ldc.i8
accessor.Codes.WriteUInt64(((ulong)key << 32) | (ptr ^ key));
accessor.Codes.WriteByte(0x20); //ldc.i4
accessor.Codes.WriteUInt32(~(uint)buff.Length ^ key);
accessor.Codes.WriteByte(0x26);
accessor.BlobHeap.Position = (int)tbl[i.Key].Col5;
accessor.BlobHeap.ReadCompressedUInt32();
byte flags = accessor.BlobHeap.ReadByte();
if ((flags & 0x10) != 0) accessor.BlobHeap.ReadCompressedUInt32();
accessor.BlobHeap.ReadCompressedUInt32();
bool hasRet = false;
do
{
byte t = accessor.BlobHeap.ReadByte();
if (t == 0x1f || t == 0x20) continue;
hasRet = t != 0x01;
} while (false);
accessor.Codes.WriteByte(hasRet ? (byte)0x00 : (byte)0x26);
accessor.Codes.WriteByte(0x2a); //ret
accessor.Codes.WriteBytes(((accessor.Codes.Position + 3) & ~3) - accessor.Codes.Position);
}
accessor.USHeap.Reset(new byte[0]);
}
MethodData Transform(MethodBody body, int idx, byte[] codes, Range range)
{
MethodData ret = new MethodData();
ret.Index = idx;
ret.EHs = Mono.Empty<MethodData.MethodEH>.Array;
if ((codes[range.Start] & 0x3) == 0x2)
{
ret.ILCodes = new byte[codes[range.Start] >> 2];
Buffer.BlockCopy(codes, (int)range.Start + 1, ret.ILCodes, 0, ret.ILCodes.Length);
ret.LocalVars = 0;
ret.MaxStack = (uint)8;
ret.Options = (uint)Confuser.Random.Next(0, 2) << 8;
}
else
{
ushort flags = BitConverter.ToUInt16(codes, (int)range.Start);
ret.ILCodes = new byte[BitConverter.ToInt32(codes, (int)range.Start + 4)];
Buffer.BlockCopy(codes, (int)range.Start + 12, ret.ILCodes, 0, ret.ILCodes.Length);
ret.LocalVars = BitConverter.ToUInt32(codes, (int)range.Start + 8);
ret.MaxStack = BitConverter.ToUInt16(codes, (int)range.Start + 2);
ret.Options = (flags & 0x10) != 0 ? 0x10 : 0U;
ret.Options |= (uint)Confuser.Random.Next(0, 2) << 8;
if ((flags & 0x8) != 0)
{
int ptr = (int)range.Start + 12 + ret.ILCodes.Length;
var ehs = new List<MethodData.MethodEH>();
byte f;
do
{
ptr = (ptr + 3) & ~3;
f = codes[ptr];
uint count;
bool isSmall = (f & 0x40) == 0;
if (isSmall)
count = codes[ptr + 1] / 12u;
else
count = (BitConverter.ToUInt32(codes, ptr) >> 8) / 24;
ptr += 4;
for (int i = 0; i < count; i++)
{
var clause = new MethodData.MethodEH();
clause.Flags = (ExceptionHandlerType)(codes[ptr] & 0x7);
ptr += isSmall ? 2 : 4;
clause.TryOffset = isSmall ? BitConverter.ToUInt16(codes, ptr) : BitConverter.ToUInt32(codes, ptr);
ptr += isSmall ? 2 : 4;
clause.TryLength = isSmall ? codes[ptr] : BitConverter.ToUInt32(codes, ptr);
ptr += isSmall ? 1 : 4;
clause.HandlerOffset = isSmall ? BitConverter.ToUInt16(codes, ptr) : BitConverter.ToUInt32(codes, ptr);
ptr += isSmall ? 2 : 4;
clause.HandlerLength = isSmall ? codes[ptr] : BitConverter.ToUInt32(codes, ptr);
ptr += isSmall ? 1 : 4;
clause.ClassTokenOrFilterOffset = BitConverter.ToUInt32(codes, ptr);
ptr += 4;
if ((clause.ClassTokenOrFilterOffset & 0xff000000) == 0x1b000000)
ret.Options |= 0x80;
ehs.Add(clause);
}
}
while ((f & 0x80) != 0);
ret.EHs = ehs.ToArray();
}
}
return ret;
}
public bool TryGetCustomAttributeRange(ICustomAttributeProvider owner, out Range range)
{
return(CustomAttributes.TryGetValue(owner.MetadataToken, out range));
}
public bool TryGetSecurityDeclarationRange(ISecurityDeclarationProvider owner, out Range range)
{
return(SecurityDeclarations.TryGetValue(owner.MetadataToken, out range));
}
public bool TryGetGenericParameterRange(IGenericParameterProvider owner, out Range range)
{
return(GenericParameters.TryGetValue(owner.MetadataToken, out range));
}
public bool TryGetEventsRange(TypeDefinition type, out Range range)
{
return(Events.TryGetValue(type.token.RID, out range));
}
public void AddEventsRange(uint type_rid, Range range)
{
Events.Add(type_rid, range);
}
public bool TryGetEventsRange (TypeDefinition type, out Range range)
{
return Events.TryGetValue (type.token.RID, out range);
}
internal void AddEventsRange(uint type_rid, Range range)
{
Events.Add (type_rid, range);
}
public bool TryGetGenericParameterRange (IGenericParameterProvider owner, out Range range)
{
return GenericParameters.TryGetValue (owner.MetadataToken, out range);
}
internal bool TryGetGenericParameterRanges(IGenericParameterProvider owner, out Range[] ranges)
{
return GenericParameters.TryGetValue (owner.MetadataToken, out ranges);
}
public bool TryGetSecurityDeclarationRange (ISecurityDeclarationProvider owner, out Range range)
{
return SecurityDeclarations.TryGetValue (owner.MetadataToken, out range);
}
public void AddPropertiesRange(uint type_rid, Range range)
{
Properties.Add(type_rid, range);
}
