/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Simple name</param>
/// <param name="version">Version</param>
/// <param name="publicKey">Public key or public key token</param>
/// <param name="locale">Locale</param>
/// <exception cref="ArgumentNullException">If any of the args is invalid</exception>
public AssemblyRefUser(UTF8String name, Version version, PublicKeyBase publicKey, UTF8String locale) {
if ((object)name == null)
throw new ArgumentNullException("name");
if (version == null)
throw new ArgumentNullException("version");
if ((object)locale == null)
throw new ArgumentNullException("locale");
this.name = name;
this.version = version;
this.publicKeyOrToken = publicKey;
this.locale = locale;
this.flags = publicKey is PublicKey ? AssemblyAttributes.PublicKey : AssemblyAttributes.None;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="assembly">Assembly</param>
public AssemblyRefUser(IAssembly assembly) {
if (assembly == null)
throw new ArgumentNullException("asmName");
this.version = assembly.Version ?? new Version(0, 0, 0, 0);
this.publicKeyOrToken = assembly.PublicKeyOrToken;
this.name = UTF8String.IsNullOrEmpty(assembly.Name) ? UTF8String.Empty : assembly.Name;
this.locale = assembly.Culture;
this.flags = publicKeyOrToken is PublicKey ? AssemblyAttributes.PublicKey : AssemblyAttributes.None;
}
/// <summary>
/// Checks whether a public key or token is null or empty
/// </summary>
/// <param name="a">Public key or token instance</param>
public static bool IsNullOrEmpty2(PublicKeyBase a) {
return a == null || a.data == null || a.data.Length == 0;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Simple name</param>
/// <param name="version">Version</param>
/// <param name="publicKey">Public key or public key token</param>
/// <exception cref="ArgumentNullException">If any of the args is invalid</exception>
public AssemblyRefUser(UTF8String name, Version version, PublicKeyBase publicKey)
: this(name, version, publicKey, UTF8String.Empty) {
}
/// <summary>
/// Gets the public key token hash code
/// </summary>
/// <param name="a">Public key or token</param>
/// <returns>The hash code</returns>
public static int GetHashCodeToken(PublicKeyBase a) {
return GetHashCode(ToPublicKeyToken(a));
}
public bool TryGetSimilarValue(ITypeDefOrRef type, out T value)
{
List <ITypeDefOrRef> list;
if (!refs.TryGetValue(type, out list))
{
value = default(T);
return(false);
}
// Find a type whose version is >= type's version and closest to it.
ITypeDefOrRef foundType = null;
var typeAsmName = type.DefinitionAssembly;
IAssembly foundAsmName = null;
foreach (var otherRef in list)
{
if (!dict.TryGetValue(otherRef, out value))
{
continue;
}
if (typeAsmName == null)
{
foundType = otherRef;
break;
}
var otherAsmName = otherRef.DefinitionAssembly;
if (otherAsmName == null)
{
continue;
}
// Check pkt or we could return a type in eg. a SL assembly when it's not a SL app.
if (!PublicKeyBase.TokenEquals(typeAsmName.PublicKeyOrToken, otherAsmName.PublicKeyOrToken))
{
continue;
}
if (typeAsmName.Version > otherAsmName.Version)
{
continue; // old version
}
if (foundType == null)
{
foundAsmName = otherAsmName;
foundType = otherRef;
continue;
}
if (foundAsmName.Version <= otherAsmName.Version)
{
continue;
}
foundAsmName = otherAsmName;
foundType = otherRef;
}
if (foundType != null)
{
value = dict[foundType];
return(true);
}
value = default(T);
return(false);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="module">The module</param>
/// <param name="listener">Module writer listener</param>
protected ModuleWriterOptionsBase(ModuleDef module, IModuleWriterListener listener)
{
Listener = listener;
ShareMethodBodies = true;
MetaDataOptions.MetaDataHeaderOptions.VersionString = module.RuntimeVersion;
ModuleKind = module.Kind;
PEHeadersOptions.Machine = module.Machine;
PEHeadersOptions.Characteristics = module.Characteristics;
PEHeadersOptions.DllCharacteristics = module.DllCharacteristics;
if (module.Kind == ModuleKind.Windows)
{
PEHeadersOptions.Subsystem = Subsystem.WindowsGui;
}
else
{
PEHeadersOptions.Subsystem = Subsystem.WindowsCui;
}
PEHeadersOptions.NumberOfRvaAndSizes = 0x10;
Cor20HeaderOptions.Flags = module.Cor20HeaderFlags;
if (module.Assembly != null && !PublicKeyBase.IsNullOrEmpty2(module.Assembly.PublicKey))
{
Cor20HeaderOptions.Flags |= ComImageFlags.StrongNameSigned;
}
if (module.Cor20HeaderRuntimeVersion != null)
{
Cor20HeaderOptions.MajorRuntimeVersion = (ushort)(module.Cor20HeaderRuntimeVersion.Value >> 16);
Cor20HeaderOptions.MinorRuntimeVersion = (ushort)module.Cor20HeaderRuntimeVersion.Value;
}
else if (module.IsClr1x)
{
Cor20HeaderOptions.MajorRuntimeVersion = 2;
Cor20HeaderOptions.MinorRuntimeVersion = 0;
}
else
{
Cor20HeaderOptions.MajorRuntimeVersion = 2;
Cor20HeaderOptions.MinorRuntimeVersion = 5;
}
if (module.TablesHeaderVersion != null)
{
MetaDataOptions.TablesHeapOptions.MajorVersion = (byte)(module.TablesHeaderVersion.Value >> 8);
MetaDataOptions.TablesHeapOptions.MinorVersion = (byte)module.TablesHeaderVersion.Value;
}
else if (module.IsClr1x)
{
// Generics aren't supported
MetaDataOptions.TablesHeapOptions.MajorVersion = 1;
MetaDataOptions.TablesHeapOptions.MinorVersion = 0;
}
else
{
// Generics are supported
MetaDataOptions.TablesHeapOptions.MajorVersion = 2;
MetaDataOptions.TablesHeapOptions.MinorVersion = 0;
}
// Some tools crash if #GUID is missing so always create it by default
MetaDataOptions.Flags |= MetaDataFlags.AlwaysCreateGuidHeap;
var modDefMD = module as ModuleDefMD;
if (modDefMD != null)
{
var ntHeaders = modDefMD.MetaData.PEImage.ImageNTHeaders;
PEHeadersOptions.TimeDateStamp = ntHeaders.FileHeader.TimeDateStamp;
PEHeadersOptions.MajorLinkerVersion = ntHeaders.OptionalHeader.MajorLinkerVersion;
PEHeadersOptions.MinorLinkerVersion = ntHeaders.OptionalHeader.MinorLinkerVersion;
PEHeadersOptions.ImageBase = ntHeaders.OptionalHeader.ImageBase;
AddCheckSum = ntHeaders.OptionalHeader.CheckSum != 0;
}
if (Is64Bit)
{
PEHeadersOptions.Characteristics &= ~Characteristics._32BitMachine;
PEHeadersOptions.Characteristics |= Characteristics.LargeAddressAware;
}
else
{
PEHeadersOptions.Characteristics |= Characteristics._32BitMachine;
}
}
/// <summary>
/// Compares two <see cref="PublicKeyBase"/>s as <see cref="PublicKeyToken"/>s
/// </summary>
/// <param name="a">First</param>
/// <param name="b">Second</param>
/// <returns>< 0 if a < b, 0 if a == b, > 0 if a > b</returns>
public static int TokenCompareTo(PublicKeyBase a, PublicKeyBase b) {
if (a == b)
return 0;
return TokenCompareTo(ToPublicKeyToken(a), ToPublicKeyToken(b));
}
public AssemblyRefInfo(AssemblyRef asmRef)
{
this.AssemblyRef = asmRef;
this.OrigName = asmRef.Name;
this.OrigPublicKeyOrToken = asmRef.PublicKeyOrToken;
}
static IEnumerable <GacFileInfo> GetAssemblies(GacDirInfo gacInfo)
{
foreach (var subDir in gacInfo.SubDirs)
{
var baseDir = Path.Combine(gacInfo.Path, subDir);
foreach (var dir in GetDirectories(baseDir))
{
foreach (var dir2 in GetDirectories(dir))
{
Version version;
string culture;
PublicKeyToken pkt;
if (gacInfo.Version == 2)
{
var m = gac2Regex.Match(Path.GetFileName(dir2));
if (!m.Success || m.Groups.Count != 4)
{
continue;
}
if (!Version.TryParse(m.Groups[1].Value, out version))
{
continue;
}
culture = m.Groups[2].Value;
pkt = new PublicKeyToken(m.Groups[3].Value);
if (PublicKeyBase.IsNullOrEmpty2(pkt))
{
continue;
}
}
else if (gacInfo.Version == 4)
{
var m = gac4Regex.Match(Path.GetFileName(dir2));
if (!m.Success || m.Groups.Count != 4)
{
continue;
}
if (!Version.TryParse(m.Groups[1].Value, out version))
{
continue;
}
culture = m.Groups[2].Value;
pkt = new PublicKeyToken(m.Groups[3].Value);
if (PublicKeyBase.IsNullOrEmpty2(pkt))
{
continue;
}
}
else
{
throw new InvalidOperationException();
}
var asmName = Path.GetFileName(dir);
var file = Path.Combine(dir2, asmName) + ".dll";
if (!File.Exists(file))
{
file = Path.Combine(dir2, asmName) + ".exe";
if (!File.Exists(file))
{
continue;
}
}
var asmInfo = new AssemblyNameInfo {
Name = asmName,
Version = version,
Culture = culture,
PublicKeyOrToken = pkt,
};
yield return(new GacFileInfo(asmInfo, file));
}
}
}
}
protected override void Write(ITextOutput output, Language language)
{
if (!assembly.IsLoaded)
{
output.Write(UIUtils.CleanUpName(assembly.ShortName), TextTokenType.Assembly);
}
else if (assembly.ModuleDefinition == null)
{
var pe = assembly.PEImage;
if (pe != null)
{
bool isExe = (pe.ImageNTHeaders.FileHeader.Characteristics & Characteristics.Dll) == 0;
output.Write(UIUtils.CleanUpName(assembly.ShortName), isExe ? TextTokenType.AssemblyExe : TextTokenType.Assembly);
}
else
{
output.Write(UIUtils.CleanUpName(assembly.ShortName), TextTokenType.Text);
}
}
else if (Parent is AssemblyTreeNode || assembly.AssemblyDefinition == null)
{
output.Write(UIUtils.CleanUpName(assembly.ModuleDefinition.Name), TextTokenType.Module);
}
else
{
var asm = assembly.AssemblyDefinition;
bool isExe = (assembly.ModuleDefinition.Characteristics & Characteristics.Dll) == 0;
output.Write(asm.Name, isExe ? TextTokenType.AssemblyExe : TextTokenType.Assembly);
bool showAsmVer = DisplaySettingsPanel.CurrentDisplaySettings.ShowAssemblyVersion;
bool showPublicKeyToken = DisplaySettingsPanel.CurrentDisplaySettings.ShowAssemblyPublicKeyToken && !PublicKeyBase.IsNullOrEmpty2(asm.PublicKeyToken);
if (showAsmVer || showPublicKeyToken)
{
output.WriteSpace();
output.Write('(', TextTokenType.Operator);
bool needComma = false;
if (showAsmVer)
{
if (needComma)
{
output.Write(',', TextTokenType.Operator);
output.WriteSpace();
}
needComma = true;
output.Write(asm.Version.Major.ToString(), TextTokenType.Number);
output.Write('.', TextTokenType.Operator);
output.Write(asm.Version.Minor.ToString(), TextTokenType.Number);
output.Write('.', TextTokenType.Operator);
output.Write(asm.Version.Build.ToString(), TextTokenType.Number);
output.Write('.', TextTokenType.Operator);
output.Write(asm.Version.Revision.ToString(), TextTokenType.Number);
}
if (showPublicKeyToken)
{
if (needComma)
{
output.Write(',', TextTokenType.Operator);
output.WriteSpace();
}
needComma = true;
var pkt = asm.PublicKeyToken;
if (PublicKeyBase.IsNullOrEmpty2(pkt))
{
output.Write("null", TextTokenType.Keyword);
}
else
{
output.Write(pkt.ToString(), TextTokenType.Number);
}
}
output.Write(')', TextTokenType.Operator);
}
}
}
static void Write(ITextOutput output, IAssembly asm)
{
var asmDef = asm as AssemblyDef;
bool isExe = asmDef != null &&
asmDef.ManifestModule != null &&
(asmDef.ManifestModule.Characteristics & dnlib.PE.Characteristics.Dll) == 0;
output.Write(asm.Name, isExe ? TextTokenType.AssemblyExe : TextTokenType.Assembly);
output.Write(',', TextTokenType.Operator);
output.WriteSpace();
output.Write("Version", TextTokenType.InstanceProperty);
output.Write('=', TextTokenType.Operator);
output.Write(asm.Version.Major.ToString(), TextTokenType.Number);
output.Write('.', TextTokenType.Operator);
output.Write(asm.Version.Minor.ToString(), TextTokenType.Number);
output.Write('.', TextTokenType.Operator);
output.Write(asm.Version.Build.ToString(), TextTokenType.Number);
output.Write('.', TextTokenType.Operator);
output.Write(asm.Version.Revision.ToString(), TextTokenType.Number);
output.Write(',', TextTokenType.Operator);
output.WriteSpace();
output.Write("Culture", TextTokenType.InstanceProperty);
output.Write('=', TextTokenType.Operator);
output.Write(UTF8String.IsNullOrEmpty(asm.Culture) ? "neutral" : asm.Culture.String, TextTokenType.EnumField);
output.Write(',', TextTokenType.Operator);
output.WriteSpace();
var publicKey = PublicKeyBase.ToPublicKeyToken(asm.PublicKeyOrToken);
output.Write(publicKey == null || publicKey is PublicKeyToken ? "PublicKeyToken" : "PublicKey", TextTokenType.InstanceProperty);
output.Write('=', TextTokenType.Operator);
if (PublicKeyBase.IsNullOrEmpty2(publicKey))
{
output.Write("null", TextTokenType.Keyword);
}
else
{
output.Write(publicKey.ToString(), TextTokenType.Number);
}
if ((asm.Attributes & AssemblyAttributes.Retargetable) != 0)
{
output.Write(',', TextTokenType.Operator);
output.WriteSpace();
output.Write("Retargetable", TextTokenType.InstanceProperty);
output.Write('=', TextTokenType.Operator);
output.Write("Yes", TextTokenType.EnumField);
}
if ((asm.Attributes & AssemblyAttributes.ContentType_Mask) == AssemblyAttributes.ContentType_WindowsRuntime)
{
output.Write(',', TextTokenType.Operator);
output.WriteSpace();
output.Write("ContentType", TextTokenType.InstanceProperty);
output.Write('=', TextTokenType.Operator);
output.Write("WindowsRuntime", TextTokenType.EnumField);
}
}
void OnWriterEvent(object sender, ModuleWriterListenerEventArgs e)
{
var writer = (ModuleWriterBase)sender;
if (e.WriterEvent == ModuleWriterEvent.MDBeginAddResources)
{
ctx.Context.CheckCancellation();
ctx.Context.Logger.Debug("Encrypting resources...");
bool hasPacker = ctx.Context.Packer != null;
List <EmbeddedResource> resources = ctx.Module.Resources.OfType <EmbeddedResource>().ToList();
if (!hasPacker)
{
ctx.Module.Resources.RemoveWhere(res => res is EmbeddedResource);
}
// move resources
string asmName = ctx.Name.RandomName(RenameMode.Letters);
PublicKey pubKey = null;
if (writer.TheOptions.StrongNameKey != null)
{
pubKey = PublicKeyBase.CreatePublicKey(writer.TheOptions.StrongNameKey.PublicKey);
}
var assembly = new AssemblyDefUser(asmName, new Version(0, 0), pubKey);
assembly.Modules.Add(new ModuleDefUser(asmName + ".dll"));
ModuleDef module = assembly.ManifestModule;
assembly.ManifestModule.Kind = ModuleKind.Dll;
var asmRef = new AssemblyRefUser(module.Assembly);
if (!hasPacker)
{
foreach (EmbeddedResource res in resources)
{
res.Attributes = ManifestResourceAttributes.Public;
module.Resources.Add(res);
ctx.Module.Resources.Add(new AssemblyLinkedResource(res.Name, asmRef, res.Attributes));
}
}
byte[] moduleBuff;
using (var ms = new MemoryStream()) {
module.Write(ms, new ModuleWriterOptions {
StrongNameKey = writer.TheOptions.StrongNameKey
});
moduleBuff = ms.ToArray();
}
// compress
moduleBuff = ctx.Context.Registry.GetService <ICompressionService>().Compress(
moduleBuff,
progress => ctx.Context.Logger.Progress((int)(progress * 10000), 10000));
ctx.Context.Logger.EndProgress();
ctx.Context.CheckCancellation();
uint compressedLen = (uint)(moduleBuff.Length + 3) / 4;
compressedLen = (compressedLen + 0xfu) & ~0xfu;
var compressedBuff = new uint[compressedLen];
Buffer.BlockCopy(moduleBuff, 0, compressedBuff, 0, moduleBuff.Length);
Debug.Assert(compressedLen % 0x10 == 0);
// encrypt
uint keySeed = ctx.Random.NextUInt32() | 0x10;
var key = new uint[0x10];
uint state = keySeed;
for (int i = 0; i < 0x10; i++)
{
state ^= state >> 13;
state ^= state << 25;
state ^= state >> 27;
key[i] = state;
}
var encryptedBuffer = new byte[compressedBuff.Length * 4];
int buffIndex = 0;
while (buffIndex < compressedBuff.Length)
{
uint[] enc = ctx.ModeHandler.Encrypt(compressedBuff, buffIndex, key);
for (int j = 0; j < 0x10; j++)
{
key[j] ^= compressedBuff[buffIndex + j];
}
Buffer.BlockCopy(enc, 0, encryptedBuffer, buffIndex * 4, 0x40);
buffIndex += 0x10;
}
Debug.Assert(buffIndex == compressedBuff.Length);
var size = (uint)encryptedBuffer.Length;
TablesHeap tblHeap = writer.MetaData.TablesHeap;
tblHeap.ClassLayoutTable[writer.MetaData.GetClassLayoutRid(ctx.DataType)].ClassSize = size;
tblHeap.FieldTable[writer.MetaData.GetRid(ctx.DataField)].Flags |= (ushort)FieldAttributes.HasFieldRVA;
encryptedResource = writer.Constants.Add(new ByteArrayChunk(encryptedBuffer), 8);
// inject key values
MutationHelper.InjectKeys(ctx.InitMethod,
new[] { 0, 1 },
new[] { (int)(size / 4), (int)(keySeed) });
}
else if (e.WriterEvent == ModuleWriterEvent.EndCalculateRvasAndFileOffsets)
{
TablesHeap tblHeap = writer.MetaData.TablesHeap;
tblHeap.FieldRVATable[writer.MetaData.GetFieldRVARid(ctx.DataField)].RVA = (uint)encryptedResource.RVA;
}
}
/// <summary>
/// Checks whether a public key or token is null or empty
/// </summary>
/// <param name="a">Public key or token instance</param>
public static bool IsNullOrEmpty2(PublicKeyBase a) {
return a == null || a.IsNullOrEmpty;
}
/// <summary>
/// Checks whether two public key tokens are equal
/// </summary>
/// <param name="a">First</param>
/// <param name="b">Second</param>
/// <returns><c>true</c> if same, <c>false</c> otherwise</returns>
public static bool TokenEquals(PublicKeyBase a, PublicKeyBase b)
{
return(TokenCompareTo(a, b) == 0);
}
/// <summary>
/// Returns a <see cref="PublicKeyToken"/>
/// </summary>
/// <param name="pkb">A <see cref="PublicKey"/> or a <see cref="PublicKeyToken"/> instance</param>
public static PublicKeyToken ToPublicKeyToken(PublicKeyBase pkb) {
var pkt = pkb as PublicKeyToken;
if (pkt != null)
return pkt;
var pk = pkb as PublicKey;
if (pk != null)
return pk.Token;
return null;
}
/// <summary>
/// Gets the public key token hash code
/// </summary>
/// <param name="a">Public key or token</param>
/// <returns>The hash code</returns>
public static int GetHashCodeToken(PublicKeyBase a)
{
return(GetHashCode(ToPublicKeyToken(a)));
}
/// <summary>
/// Checks whether two public key tokens are equal
/// </summary>
/// <param name="a">First</param>
/// <param name="b">Second</param>
/// <returns><c>true</c> if same, <c>false</c> otherwise</returns>
public static bool TokenEquals(PublicKeyBase a, PublicKeyBase b) {
return TokenCompareTo(a, b) == 0;
}
/// <summary>
/// Checks whether a public key or token is null or empty
/// </summary>
/// <param name="a">Public key or token instance</param>
public static bool IsNullOrEmpty2(PublicKeyBase a)
{
return(a == null || a.IsNullOrEmpty);
}
/// <summary>
/// Gets the raw public key / public key token byte array
/// </summary>
/// <param name="pkb">The instance or <c>null</c></param>
/// <returns>Raw public key / public key token data or <c>null</c></returns>
public static byte[] GetRawData(PublicKeyBase pkb) {
if (pkb == null)
return null;
return pkb.Data;
}
public AssemblyRefInfo(AssemblyRef asmRef)
{
AssemblyRef = asmRef;
OrigName = asmRef.Name;
OrigPublicKeyOrToken = asmRef.PublicKeyOrToken;
}
