protected UnmutableMethodModification(MethodBase intercepted, MethodInfo customMethod, MethodHookType hookType = MethodHookType.RunAfter, MethodHookFlags hookFlags = MethodHookFlags.None)
{
HookType = hookType;
InterceptedMethod = intercepted;
CustomMethod = customMethod;
HookFlags = hookFlags;
Validate();
}
public UnmutableMethodModification(MethodBase intercepted, MethodInfo custom_method, MethodHookType hook_type = MethodHookType.RunAfter, MethodHookFlags hook_flags = MethodHookFlags.None)
{
HookType = hook_type;
InterceptedMethod = intercepted;
CustomMethod = custom_method;
HookFlags = hook_flags;
Validate_1_NoInformationMissing();
Validate_2_Accessibility();
Validate_3_SpecialCases();
Validate_4_ParameterLayout();
Validate_5_ReturnType();
}
public MethodAddVirtual(Type modifyingType, MethodInfo virtual_method, MethodInfo custom_method, MethodHookType type = MethodHookType.RunAfter, MethodHookFlags flags = MethodHookFlags.None)
: base(virtual_method, custom_method, type, flags)
{
ModifyingType = modifyingType;
if (ModifyingType == null)
throw new ArgumentException("No target type specified!");
if (!virtual_method.DeclaringType.IsAssignableFrom(modifyingType))
throw new ArgumentException("Given Type [" + ModifyingType.FullName + "] is not a child of target [" + virtual_method.DeclaringType + "]!");
base.Validate_4_ParameterLayout();
if (modifyingType
.GetMethods(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic)
.Select(m => m.GetBaseDefinition())
.Contains(virtual_method.GetBaseDefinition()))
{
if (virtual_method.DeclaringType == modifyingType)
{
throw new ArgumentException("Can't add a new virtual override method [" + virtual_method.Name + "]. Type [" + modifyingType.FullName + "] appears to already have such one. May just use a hook?");
}
}
else
{
throw new NotImplementedException("This part hopefully isn't necessary ever :p");
/*
* MAKE SURE THAT WE HAVE THE REF TO ACTUAL BASE FUNCTION WE MODIFY ... required to to base.ourfunc();
*
var tMeth = modifyingType
.GetMethods();
var virtParamTypes = virtual_method.GetParameters().Select(p => p.ParameterType);
var similarMethods = modifyingType
.GetMethods()
.Where(f => f.Name == virtual_method.Name
&& f.ReturnType == virtual_method.ReturnType
&& f.IsStatic == virtual_method.IsStatic
&& f.GetParameters().Select(p => p.ParameterType).SequenceEqual(virtParamTypes)
);
if (similarMethods.Count() > 0)
throw new ArgumentException("Can't add a new virtual override method [" + virtual_method.Name + "]. Type [" + modifyingType.FullName + "] appears to already have such one. May just use a hook?");
*/
}
}
public MethodAddVirtual(Type modifyingType, MethodInfo virtual_method, MethodInfo custom_method, MethodHookType type = MethodHookType.RunAfter, MethodHookFlags flags = MethodHookFlags.None)
: base(virtual_method, custom_method, type, flags)
{
ModifyingType = modifyingType;
if (ModifyingType == null)
{
throw new ArgumentException("No target type specified!");
}
if (!virtual_method.DeclaringType.IsAssignableFrom(modifyingType))
{
throw new ArgumentException("Given Type [" + ModifyingType.FullName + "] is not a child of target [" + virtual_method.DeclaringType + "]!");
}
base.Validate_4_ParameterLayout();
if (modifyingType
.GetMethods(BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic)
.Select(m => m.GetBaseDefinition())
.Contains(virtual_method.GetBaseDefinition()))
{
if (virtual_method.DeclaringType == modifyingType)
{
throw new ArgumentException("Can't add a new virtual override method [" + virtual_method.Name + "]. Type [" + modifyingType.FullName + "] appears to already have such one. May just use a hook?");
}
}
else
{
throw new NotImplementedException("This part hopefully isn't necessary ever :p");
/*
* MAKE SURE THAT WE HAVE THE REF TO ACTUAL BASE FUNCTION WE MODIFY ... required to to base.ourfunc();
*
* var tMeth = modifyingType
* .GetMethods();
* var virtParamTypes = virtual_method.GetParameters().Select(p => p.ParameterType);
* var similarMethods = modifyingType
* .GetMethods()
* .Where(f => f.Name == virtual_method.Name
* && f.ReturnType == virtual_method.ReturnType
* && f.IsStatic == virtual_method.IsStatic
* && f.GetParameters().Select(p => p.ParameterType).SequenceEqual(virtParamTypes)
* );
* if (similarMethods.Count() > 0)
* throw new ArgumentException("Can't add a new virtual override method [" + virtual_method.Name + "]. Type [" + modifyingType.FullName + "] appears to already have such one. May just use a hook?");
*/
}
}
public MethodHook(MethodBase intercepted, MethodInfo custom_method, MethodHookType hook_type = MethodHookType.RunAfter, MethodHookFlags hook_flags = MethodHookFlags.None)
: base(intercepted, custom_method, hook_type, hook_flags)
{
}
public MethodHook(MethodBase intercepted, MethodInfo custom_method, MethodHookType hook_type = MethodHookType.RunAfter, MethodHookFlags hook_flags = MethodHookFlags.None)
: base(intercepted, custom_method, hook_type, hook_flags)
{
}
public HookInjector(Injector injector, MethodDefinition originalMethod, MethodReference customMethodReference, MethodHookType hookType, MethodHookFlags hookFlags)
{
Injector = injector;
OriginalMethod = originalMethod;
CustomMethodReference = customMethodReference;
HookType = hookType;
HookFlags = hookFlags;
GenericArguments = new TypeReference[originalMethod.GenericParameters.Count];
if (originalMethod.HasGenericParameters)
{
//throw new NotImplementedException("Hooking generic instances? Never tested it yet. Contact creator, pls!");
for (var i = 0; i < originalMethod.GenericParameters.Count; i++)
{
GenericArguments[i] = originalMethod.GenericParameters[i];
}
}
originalMethod.Body.SimplifyMacros();
ILGen = OriginalMethod.Body.GetILProcessor();
}
public CustomLoadArgsHookInjector(Injector inj, List<Tuple<OpCode, byte?>> instructionData, MethodDefinition methodBase, MethodReference methodInfo, MethodHookType methodHookType, MethodHookFlags methodHookFlags)
: base(inj, methodBase, methodInfo, methodHookType, methodHookFlags)
{
this.instructionData = instructionData;
}
private void InjectInstanceHook(
MethodDefinition originalMethod,
MethodReference customMethodReference,
MethodHookType hookType,
MethodHookFlags hookFlags)
{
var hooker = new HookInjector(this, originalMethod, customMethodReference, hookType, hookFlags);
hooker.Inject();
}
protected void InjectStaticHook(
MethodDefinition originalMethod,
MethodReference customMethodReference,
MethodHookType hookType,
MethodHookFlags hookFlags)
{
var hooker = new HookInjector(this, originalMethod, customMethodReference, hookType, hookFlags);
hooker.Inject();
}
