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COMInterfaceEntry.cs
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COMInterfaceEntry.cs
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// This file is part of OleViewDotNet.
// Copyright (C) James Forshaw 2014
//
// OleViewDotNet is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// OleViewDotNet is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with OleViewDotNet. If not, see <http://www.gnu.org/licenses/>.
using Microsoft.Win32;
using System;
using System.Collections.Concurrent;
using System.Linq;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
namespace OleViewDotNet
{
public class COMInterfaceEntry : IComparable<COMInterfaceEntry>, IXmlSerializable
{
private static ConcurrentDictionary<Guid, string> m_iidtoname = new ConcurrentDictionary<Guid, string>();
private readonly COMRegistry m_registry;
internal static string MapIidToName(Guid iid)
{
string ret;
if (m_iidtoname.TryGetValue(iid, out ret))
{
return ret;
}
return iid.FormatGuid();
}
internal static void CacheIidToName(Guid iid, string name)
{
m_iidtoname.TryAdd(iid, name);
}
public int CompareTo(COMInterfaceEntry right)
{
return String.Compare(Name, right.Name);
}
private void LoadFromKey(RegistryKey key)
{
string name = key.GetValue(null) as string;
if (!String.IsNullOrWhiteSpace(name))
{
Name = COMUtilities.DemangleWinRTName(name.ToString());
CacheIidToName(Iid, Name);
}
else
{
Name = Iid.FormatGuidDefault();
}
ProxyClsid = COMUtilities.ReadGuid(key, "ProxyStubCLSID32", null);
NumMethods = COMUtilities.ReadInt(key, "NumMethods", null);
if (NumMethods < 3)
{
NumMethods = 3;
}
TypeLib = COMUtilities.ReadGuid(key, "TypeLib", null);
TypeLibVersion = COMUtilities.ReadString(key, "TypeLib", "Version");
Base = COMUtilities.ReadString(key, "BaseInterface", null);
if (Base.Length == 0)
{
Base = "IUnknown";
}
}
internal COMInterfaceEntry(COMRegistry registry)
{
m_registry = registry;
}
private COMInterfaceEntry(COMRegistry registry, Guid iid, Guid proxyclsid, int nummethods, string baseName, string name) : this(registry)
{
Iid = iid;
ProxyClsid = proxyclsid;
NumMethods = nummethods;
Base = baseName;
Name = name;
TypeLibVersion = String.Empty;
}
internal COMInterfaceEntry(COMRegistry registry, Type type) : this(registry, type.GUID, Guid.Empty, type.GetMethods().Length + 6, "IInspectable", type.FullName)
{
CacheIidToName(Iid, Name);
RuntimeInterface = true;
}
public COMInterfaceEntry(COMRegistry registry, Guid iid, RegistryKey rootKey)
: this(registry, iid, Guid.Empty, 3, "IUnknown", "")
{
LoadFromKey(rootKey);
}
public COMInterfaceEntry(COMRegistry registry, Guid iid)
: this(registry, iid, Guid.Empty, 3, "IUnknown", MapIidToName(iid))
{
}
public enum KnownInterfaces
{
IUnknown,
IMarshal,
IPSFactoryBuffer,
}
public static Guid IID_IUnknown
{
get { return new Guid("{00000000-0000-0000-C000-000000000046}"); }
}
public static Guid IID_IMarshal
{
get { return new Guid("{00000003-0000-0000-C000-000000000046}"); }
}
public static Guid IID_IDispatch
{
get { return new Guid("00020400-0000-0000-c000-000000000046"); }
}
public static Guid IID_IOleControl
{
get { return new Guid("{b196b288-bab4-101a-b69c-00aa00341d07}"); }
}
public static Guid IID_IPersistStream
{
get { return typeof(IPersistStream).GUID; }
}
public static Guid IID_IPersistStreamInit
{
get { return typeof(IPersistStreamInit).GUID; }
}
public static Guid IID_IPSFactoryBuffer
{
get { return new Guid("D5F569D0-593B-101A-B569-08002B2DBF7A"); }
}
public bool IsOleControl
{
get { return (Iid == IID_IOleControl); }
}
public bool IsDispatch
{
get { return (Iid == IID_IDispatch); }
}
public bool IsMarshal
{
get { return (Iid == IID_IMarshal); }
}
public bool IsPersistStream
{
get { return (Iid == IID_IPersistStream) || (Iid == IID_IPersistStreamInit); }
}
public bool IsClassFactory
{
get { return Iid == typeof(IClassFactory).GUID; }
}
public static COMInterfaceEntry CreateKnownInterface(COMRegistry registry, KnownInterfaces known)
{
COMInterfaceEntry ent = null;
switch (known)
{
case KnownInterfaces.IUnknown:
ent = new COMInterfaceEntry(registry);
ent.Base = "";
ent.Iid = IID_IUnknown;
ent.ProxyClsid = Guid.Empty;
ent.NumMethods = 3;
ent.Name = "IUnknown";
ent.TypeLibVersion = String.Empty;
break;
case KnownInterfaces.IMarshal:
ent = new COMInterfaceEntry(registry);
ent.Base = "";
ent.Iid = IID_IMarshal;
ent.ProxyClsid = Guid.Empty;
ent.NumMethods = 9;
ent.Name = "IMarshal";
ent.TypeLibVersion = String.Empty;
break;
case KnownInterfaces.IPSFactoryBuffer:
ent = new COMInterfaceEntry(registry);
ent.Base = "";
ent.Iid = IID_IPSFactoryBuffer;
ent.ProxyClsid = Guid.Empty;
ent.NumMethods = 4;
ent.Name = "IPSFactoryBuffer";
ent.TypeLibVersion = String.Empty;
break;
}
return ent;
}
public string Name
{
get; private set;
}
public Guid Iid
{
get; private set;
}
public COMInterfaceEntry InterfaceEntry
{
get
{
return m_registry.Interfaces.GetGuidEntry(Iid);
}
}
public Guid ProxyClsid
{
get; private set;
}
public COMCLSIDEntry ProxyClassEntry
{
get
{
return m_registry.Clsids.GetGuidEntry(ProxyClsid);
}
}
public int NumMethods
{
get; private set;
}
public string Base
{
get; private set;
}
public Guid TypeLib
{
get; private set;
}
public string TypeLibVersion
{
get; private set;
}
public COMTypeLibEntry TypeLibEntry
{
get
{
return m_registry.Typelibs.GetGuidEntry(TypeLib);
}
}
public COMTypeLibVersionEntry TypeLibVersionEntry
{
get
{
var typelib = TypeLibEntry;
if (typelib != null)
{
return typelib.Versions.Where(v => v.Version == TypeLibVersion).FirstOrDefault();
}
return null;
}
}
public bool HasTypeLib
{
get { return TypeLib != Guid.Empty; }
}
public bool HasProxy
{
get { return ProxyClsid != Guid.Empty; }
}
public bool RuntimeInterface
{
get; internal set;
}
public override bool Equals(object obj)
{
if (base.Equals(obj))
{
return true;
}
COMInterfaceEntry right = obj as COMInterfaceEntry;
if (right == null)
{
return false;
}
return Name == right.Name && Iid == right.Iid && ProxyClsid == right.ProxyClsid
&& NumMethods == right.NumMethods && Base == right.Base && TypeLib == right.TypeLib
&& TypeLibVersion == right.TypeLibVersion && RuntimeInterface == right.RuntimeInterface;
}
public override int GetHashCode()
{
return Name.GetSafeHashCode() ^ Iid.GetHashCode() ^ ProxyClsid.GetHashCode() ^ NumMethods.GetHashCode()
^ Base.GetSafeHashCode() ^ TypeLib.GetHashCode() ^ TypeLibVersion.GetSafeHashCode() ^ RuntimeInterface.GetHashCode();
}
public override string ToString()
{
return Name;
}
XmlSchema IXmlSerializable.GetSchema()
{
return null;
}
void IXmlSerializable.ReadXml(XmlReader reader)
{
Name = reader.ReadString("name");
Iid = reader.ReadGuid("iid");
ProxyClsid = reader.ReadGuid("proxy");
NumMethods = reader.ReadInt("num");
Base = reader.ReadString("base");
TypeLibVersion = reader.ReadString("ver");
TypeLib = reader.ReadGuid("tlib");
RuntimeInterface = reader.ReadBool("rt");
m_iidtoname.TryAdd(Iid, Name);
}
void IXmlSerializable.WriteXml(XmlWriter writer)
{
writer.WriteOptionalAttributeString("name", Name);
writer.WriteGuid("iid", Iid);
writer.WriteGuid("proxy", ProxyClsid);
writer.WriteInt("num", NumMethods);
writer.WriteOptionalAttributeString("base", Base);
writer.WriteOptionalAttributeString("ver", TypeLibVersion);
writer.WriteGuid("tlib", TypeLib);
writer.WriteBool("rt", RuntimeInterface);
}
}
}