public MethodReference ImportMethodReference(MethodReference mr, ImportContext context)
{
if (mr.DeclaringType.Module == m_module)
{
return(mr);
}
ImportCache();
if (mr is MethodSpecification)
{
return(GetMethodSpec(mr, context));
}
MethodReference meth = m_memberRefCache [mr.ToString()] as MethodReference;
if (meth != null)
{
return(meth);
}
meth = new MethodReference(
mr.Name,
mr.HasThis,
mr.ExplicitThis,
mr.CallingConvention);
meth.DeclaringType = ImportTypeReference(mr.DeclaringType, context);
TypeReference contextType = meth.DeclaringType;
while (contextType is TypeSpecification)
{
contextType = (contextType as TypeSpecification).ElementType;
}
context.GenericContext.Method = meth;
context.GenericContext.Type = contextType;
foreach (GenericParameter gp in mr.GenericParameters)
{
meth.GenericParameters.Add(GenericParameter.Clone(gp, context));
}
meth.ReturnType.ReturnType = ImportTypeReference(mr.ReturnType.ReturnType, context);
foreach (ParameterDefinition param in mr.Parameters)
{
meth.Parameters.Add(new ParameterDefinition(
ImportTypeReference(param.ParameterType, context)));
}
m_module.MemberReferences.Add(meth);
m_memberRefCache [mr.ToString()] = meth;
return(meth);
}
private bool DoMatchProperty(MethodReference method)
{
if (method.Name.StartsWith("set_"))
{
if (method.Parameters.Count == 1)
{
if (method.Parameters[0].ParameterType.FullName == "System.String")
{
string name = method.ToString();
foreach (string pattern in m_properties)
{
if (name.Match(pattern))
return true;
}
}
}
}
return false;
}
private void DoCheck(TypedInstruction call, MethodReference target, int nth)
{
int index = m_info.Tracker.GetStackIndex(call.Index, nth);
if (index >= 0)
{
LoadString load = m_info.Instructions[index] as LoadString;
if (load != null)
{
m_offset = call.Untyped.Offset;
m_bad = target.ToString();
Log.DebugLine(this, "bad call at {0:X2}", m_offset);
}
}
}
static string GetId(ModuleDefinition mod, MethodReference mtd)
{
char asmRef = (char)(mod.AssemblyReferences.IndexOf(mtd.DeclaringType.Scope as AssemblyNameReference) + 2);
return "\0" + asmRef + mtd.ToString();
}
private static string GetId(ModuleDefinition mod, bool isVirt, MethodReference mtd)
{
string virt = isVirt ? "\r" : "\n";
char asmRef = (char)(mod.AssemblyReferences.IndexOf(mtd.DeclaringType.Scope as AssemblyNameReference) + 2);
return "\0" + asmRef + virt + mtd.ToString();
}
private static string GetNameFromNewObjMethodReference(Mono.Cecil.MethodReference methodReference)
{
string[] array = methodReference.ToString().Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
string[] array2 = array[1].Split(new string[] { "::" }, StringSplitOptions.RemoveEmptyEntries);
return(array2[0].Trim());
}
private bool DoCallsExternal(MethodReference method, Entry entry, CallGraph graph, List<string> chain, int depth, ref string name)
{
if (depth > 8) // this can't be too large or the rule takes a very long time to run
return false;
chain.Add(method.ToString());
if (entry.ExternalCalls.ContainsKey(method))
{
name = entry.ExternalCalls[method];
return true;
}
foreach (MethodReference candidate in graph.Calls(method))
{
if (DoCallsExternal(candidate, entry, graph, chain, depth + 1, ref name))
return true;
}
chain.RemoveAt(chain.Count - 1);
return false;
}
MethodReference GetMethodReference (MethodReference source)
{
string name = source.ToString ();
MethodReference result;
if (!methodsrefs_cache.TryGetValue (name, out result)) {
TypeReference tr = GetTypeReference (source.DeclaringType, false);
if (source is GenericInstanceMethod) {
GenericInstanceMethod mr = source as GenericInstanceMethod;
mr.ElementMethod = GetMethodReference (mr.ElementMethod);
VisitParameterDefinitionCollection (mr.Parameters);
result = mr;
} else
result = GetMethodReferenceForType (tr, source);
methodsrefs_cache.Add (name, result);
}
return result;
}
public void Print(MethodReference mRef)
{
Console.WriteLine ("{0} {1}", mRef.DeclaringType.FullName, mRef.ToString());
}
public MethodReference ImportMethodReference(MethodReference mr, ImportContext context)
{
if (mr.DeclaringType.Module == m_module)
return mr;
ImportCache ();
if (mr is MethodSpecification)
return GetMethodSpec (mr, context);
MethodReference meth = m_memberRefCache [mr.ToString ()] as MethodReference;
if (meth != null)
return meth;
meth = new MethodReference (
mr.Name,
mr.HasThis,
mr.ExplicitThis,
mr.CallingConvention);
meth.DeclaringType = ImportTypeReference (mr.DeclaringType, context);
TypeReference contextType = meth.DeclaringType;
while (contextType is TypeSpecification)
contextType = (contextType as TypeSpecification).ElementType;
context.GenericContext.Method = meth;
context.GenericContext.Type = contextType;
foreach (GenericParameter gp in mr.GenericParameters)
meth.GenericParameters.Add (GenericParameter.Clone (gp, context));
meth.ReturnType.ReturnType = ImportTypeReference (mr.ReturnType.ReturnType, context);
foreach (ParameterDefinition param in mr.Parameters)
meth.Parameters.Add (new ParameterDefinition (
ImportTypeReference (param.ParameterType, context)));
m_module.MemberReferences.Add (meth);
m_memberRefCache [mr.ToString ()] = meth;
return meth;
}
private BfMethod method_5(BfMethod bfMethod_0, MethodReference methodReference_0)
{
GenericInstanceType genericInstanceType = (GenericInstanceType)methodReference_0.DeclaringType;
BfType bfType = this._cache.method_7(genericInstanceType.ElementType);
HashSet<string> hashSet = new HashSet<string>();
BfMethod result;
if (bfType == null)
{
result = null;
}
else
{
foreach (GenericParameter genericParameter in bfType.method_2().GenericParameters)
{
hashSet.Add(genericParameter.FullName);
}
MethodReference methodReference = null;
List<MethodReference> list = new List<MethodReference>();
list.AddRange(bfType.method_2().Constructors.Cast<MethodReference>());
list.AddRange(bfType.method_2().Methods.Cast<MethodReference>());
using (List<MethodReference>.Enumerator enumerator2 = list.GetEnumerator())
{
while (enumerator2.MoveNext())
{
MethodDefinition methodDefinition = (MethodDefinition)enumerator2.Current;
if (methodDefinition.Name == methodReference_0.Name && methodDefinition.Parameters.Count == methodReference_0.Parameters.Count)
{
bool flag = true;
for (int i = 0; i < methodDefinition.Parameters.Count; i++)
{
ParameterDefinition parameterDefinition = methodDefinition.Parameters[i];
ParameterDefinition parameterDefinition2 = methodReference_0.Parameters[i];
if (hashSet.Contains(BfCache.smethod_3(parameterDefinition.ParameterType).FullName))
{
if (!parameterDefinition2.ToString().StartsWith("A_"))
{
flag = false;
}
}
else if (!(Regex.Replace(parameterDefinition2.ParameterType.FullName, "<[^>]*>", "") == Regex.Replace(parameterDefinition.ParameterType.FullName, "<[^>]*>", "")))
{
flag = false;
}
}
if (flag)
{
methodReference = methodDefinition;
}
}
}
}
if (methodReference == null)
{
Logger.LogWarning("GetMethodRefFromGenericInstance", "Not good " + methodReference_0.ToString());
result = null;
}
else
{
BfMethod.smethod_0(methodReference);
result = this._cache.method_5(methodReference);
}
}
return result;
}
private bool DoFoundBadSetter(CallGraph graph, MethodReference method, List<string> chain)
{
if (m_visited.IndexOf(method) >= 0)
return false;
m_visited.Add(method);
bool found = false;
Log.DebugLine(this, "checking {0}", method);
if (m_unlocked.IndexOf(method) >= 0 && m_setters.IndexOf(method) >= 0)
{
Log.DebugLine(this, "it's a setter");
found = true;
}
else
{
foreach (MethodReference callee in graph.Calls(method))
{
Log.Indent();
if (DoFoundBadSetter(graph, callee, chain))
{
found = true;
Log.Unindent();
break;
}
Log.Unindent();
}
}
if (found)
chain.Insert(0, method.ToString());
return found;
}
private bool DoValidMethod(MethodReference method)
{
string fullName = method.ToString();
if (fullName.Contains("Mono.Security.ASN1::Add"))
return false;
else if (fullName.Contains("System.Boolean System.Collections.Generic.HashSet`1<T>::Add"))
return false;
else if (fullName.Contains("System.Collections.ArrayList::Add"))
return false;
else if (fullName.Contains("System.Collections.IList::Add"))
return false;
else if (fullName.Contains("System.Collections.IList::Add"))
return false;
else if (fullName.Contains("System.Diagnostics.Process::Start()")) // note that people should generally use the result of the other overloads
return false;
else if (fullName.Contains("System.IO.Directory::CreateDirectory"))
return false;
else if (fullName.Contains("System.Diagnostics.TraceListenerCollection::Add"))
return false;
else if (fullName.Contains("System.IO.DirectoryInfo::CreateSubdirectory"))
return false;
else if (fullName.Contains("System.IO.FileStream::Seek"))
return false;
else if (fullName.Contains("System.IO.MemoryStream::Seek"))
return false;
else if (fullName.Contains("System.IO.Stream::Seek"))
return false;
else if (fullName.Contains("System.IO.UnmanagedMemoryStream::Seek"))
return false;
else if (fullName.Contains("System.Security.PermissionSet::AddPermission"))
return false;
else if (fullName.Contains("System.Security.PermissionSet::RemovePermission"))
return false;
else if (fullName.Contains("System.Security.PermissionSet::SetPermission"))
return false;
else if (fullName.Contains("System.Reflection.MethodBase::Invoke"))
return false;
else if (fullName.Contains("System.Runtime.InteropServices.Marshal::AddRef"))
return false;
else if (fullName.Contains("System.Runtime.InteropServices.Marshal::Release"))
return false;
else if (fullName.Contains("System.Runtime.Remoting.Lifetime.ILease::Renew"))
return false;
else if (fullName.Contains("System.Text.StringBuilder::Append"))
return false;
else if (fullName.Contains("System.Text.StringBuilder::Insert"))
return false;
else if (fullName.Contains("System.Text.StringBuilder::Remove"))
return false;
else if (fullName.Contains("System.Text.StringBuilder::Replace"))
return false;
else if (fullName.Contains("System.Threading.Interlocked::Add"))
return false;
else if (fullName.Contains("System.Threading.Interlocked::CompareExchange"))
return false;
else if (fullName.Contains("System.Threading.Interlocked::Decrement"))
return false;
else if (fullName.Contains("System.Threading.Interlocked::Exchange"))
return false;
else if (fullName.Contains("System.Threading.Interlocked::Increment"))
return false;
else if (fullName.Contains("System.Windows.Forms.ListBox/ObjectCollection::Add"))
return false;
else if (fullName.Contains("System.Windows.Forms.Menu/MenuItemCollection::Add"))
return false;
else if (fullName.Contains("System.Xml.Schema.XmlSchemaSet::Add"))
return false;
else if (method.Name == "BeginInvoke")
{
if (method.Parameters.Count > 0)
if (method.Parameters[0].ParameterType.FullName == "System.Delegate")
return false;
else if (method.Parameters[0].ParameterType.FullName == "System.IAsyncResult")
return false;
}
return true;
}
private bool DoCallsLock(MethodReference method, FieldReference field, Entry entry, CallGraph graph, List<string> chain, int depth)
{
if (depth > 8) // this can't be too large or the rule takes a very long time to run
return false;
chain.Add(method.ToString());
if (entry.Locked.ContainsKey(method) && entry.Locked[method].IndexOf(field) >= 0)
{
return true;
}
foreach (MethodReference candidate in graph.Calls(method))
{
if (DoCallsLock(candidate, field, entry, graph, chain, depth + 1))
return true;
}
chain.RemoveAt(chain.Count - 1);
return false;
}
string GetNameO(bool isVirt, MethodReference mbr)
{
return ObfuscationHelper.GetNewName((isVirt ? "V>." : "") + mbr.ToString());
}
private bool DoMatchMethod(MethodReference method)
{
string name = method.ToString();
if (!method.Name.StartsWith("set_"))
{
foreach (string pattern in m_methods)
{
if (name.Match(pattern))
return true;
}
}
foreach (string custom in m_custom)
{
if (name.Contains(custom))
return true;
}
return false;
}
private bool DoMatchCtor(MethodReference method)
{
string name = method.ToString();
if (name.StartsWith("System.Void System.Windows.Forms.") || name.StartsWith("System.Void Gtk."))
{
if (name.Contains("::.ctor("))
return true;
}
foreach (string custom in m_custom)
{
if (name.Contains(custom))
return true;
}
return false;
}
// Method name has to match one of the methods we're looking for
// and can't already use IFormatProvider.
private bool DoMatchMethod(MethodReference method)
{
if (DoHasProvider(method))
return false;
string name = method.ToString();
foreach (string pattern in m_methods)
{
if (name.Contains(pattern))
return true;
}
return false;
}
internal BfMethod method_5(MethodReference methodReference_0)
{
BfAssembly bfAssembly;
BfMethod result;
if (methodReference_0.DeclaringType.Scope is AssemblyNameReference)
{
bfAssembly = this.dictionary_0[((AssemblyNameReference)methodReference_0.DeclaringType.Scope).FullName];
}
else
{
if (!(methodReference_0.DeclaringType.Scope is ModuleDefinition))
{
Logger.LogWarning("GetBfMethod1", "Couldn't find assembly for method: " + methodReference_0.ToString());
result = null;
return result;
}
bfAssembly = this.dictionary_0[((ModuleDefinition)methodReference_0.DeclaringType.Scope).Assembly.Name.FullName];
}
string text = BfMethod.smethod_0(methodReference_0);
BfMethod bfMethod;
bfAssembly.method_5().TryGetValue(text, out bfMethod);
if (bfMethod == null)
{
BfType bfType = this.method_7(methodReference_0.DeclaringType);
List<MethodDefinition> list = new List<MethodDefinition>();
list.AddRange(bfType.method_2().Constructors.Cast<MethodDefinition>());
list.AddRange(bfType.method_2().Methods.Cast<MethodDefinition>());
foreach (MethodDefinition current in list)
{
if (text == BfMethod.smethod_0(current))
{
bfMethod = new BfMethod(this, current, bfType);
this.methodCollection_0.method_1(bfMethod);
bfType.Methods.method_1(bfMethod);
bfAssembly.method_5().Add(bfMethod.UniqueName, bfMethod);
break;
}
}
if (bfMethod == null)
{
Logger.LogWarning("GetBfMethod2", "Couldn't find: " + text);
}
}
result = bfMethod;
return result;
}
private static bool DoIsLogCall(MethodReference target)
{
string name = target.ToString();
if (name.Contains("Smokey.Framework.Log::ErrorLine"))
return true;
else if (name.Contains("Smokey.Framework.Log::WarningLine"))
return true;
else if (name.Contains("Smokey.Framework.Log::InfoLine"))
return true;
else if (name.Contains("Smokey.Framework.Log::TraceLine"))
return true;
else if (name.Contains("Smokey.Framework.Log::DebugLine"))
return true;
return false;
}
private static string GetCallNameFromAnalyzeMethodCalls(Mono.Cecil.MethodReference methodReference)
{
string[] array = methodReference.ToString().Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
return(array[1].Trim());
}
string GetNameO(MethodReference mbr)
{
return ObfuscationHelper.GetNewName(mbr.ToString());
}
public ICirFunction processMethodReference(ICirData cirData, MethodReference methodReference, SequencePoint sequencePoint)
{
try
{
var functionSignature = CirFactoryUtils.getFunctionUniqueSignatureFromMethodReference(methodReference);
var functionType = CirFactoryUtils.getTypeUniqueSignatureFromTypeReference(methodReference.DeclaringType);
var cirFunction = getCirFunction(cirData, functionSignature, functionType);
cirFunction.CecilSignature = methodReference.ToString();
cirFunction.ReturnType = methodReference.ReturnType.ReturnType.FullName;
cirFunction.ParentClass = getCirClass(cirData, CirFactoryUtils.getTypeUniqueSignatureFromTypeReference(methodReference.DeclaringType));
cirFunction.ParentClassFullName = methodReference.DeclaringType.FullName;
cirFunction.ParentClassName = methodReference.DeclaringType.Name;
//
cirFunction.Module = (methodReference.DeclaringType.Module != null) ? methodReference.DeclaringType.Module.Assembly.ToString() : "[NullModule]";
//cirFunction.Module = (methodReference.DeclaringType.Module != null) ? methodReference.DeclaringType.Module.Name : "[NullModule]";
cirFunction.FunctionName = methodReference.Name;
cirFunction.FunctionNameAndParameters = CecilUtils.getMethodNameAndParameters(methodReference);
cirFunction.ClassNameFunctionNameAndParameters = string.Format("{0}.{1}",
cirFunction.ParentClassFullName,
cirFunction.FunctionNameAndParameters);
cirFunction.SymbolDef = Guid.NewGuid().ToString();
/*if (sequencePoint != null)
{
if (string.IsNullOrEmpty(cirFunction.File) == false)
{
}
cirFunction.File = sequencePoint.Document.Url;
cirFunction.FileLine = sequencePoint.StartColumn.ToString();
}*/
//methodReference.ReturnType // to implement since we need to add reference to a CirClass
return cirFunction;
}
catch (Exception ex)
{
DI.log.ex(ex, "in CirFactory.processMethodReference", true);
return null;
}
}
/// <summary>
/// Elements the specified method definition.
/// </summary>
/// <param name="methodDefinition">The method definition.</param>
public void Element (MethodReference methodDefinition)
{
this.PushElement ("method");
this.AddElement ("name", methodDefinition.ToString ());
}
