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change: add classType for class rule of symbol obfuscation

before-split
walon 2025-05-20 11:33:56 +08:00
parent b618f2cb1e
commit 98ee041b4d
1 changed files with 96 additions and 26 deletions
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122
Obfuz/Packages/com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/Policies/ConfigurableRenamePolicy.cs
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@ -27,29 +27,30 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
enum ModifierType
{
Private = 0,
Protected = 1,
Public = 2,
None = 0x0,
Private = 0x1,
Protected = 0x2,
Public = 0x3,
}
class MethodRuleSpec
{
public NameMatcher nameMatcher;
public ModifierType modifierType;
public ModifierType? modifierType;
public bool? obfuscateName;
}
class FieldRuleSpec
{
public NameMatcher nameMatcher;
public ModifierType modifierType;
public ModifierType? modifierType;
public bool? obfuscateName;
}
class PropertyRuleSpec
{
public NameMatcher nameMatcher;
public ModifierType modifierType;
public ModifierType? modifierType;
public bool? obfuscateName;
public bool? obfuscateGetter;
public bool? obfuscateSetter;
@ -58,7 +59,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
class EventRuleSpec
{
public NameMatcher nameMatcher;
public ModifierType modifierType;
public ModifierType? modifierType;
public bool? obfuscateName;
public bool? obfuscateAdd;
public bool? obfuscateRemove;
@ -68,7 +69,8 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
class TypeRuleSpec
{
public NameMatcher nameMatcher;
public ModifierType modifierType;
public ModifierType? modifierType;
public ClassType? classType;
public bool? obfuscateName;
public bool? obfuscateNamespace;
public List<FieldRuleSpec> fields;
@ -124,20 +126,58 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
return rule;
}
private ModifierType ParseModifierType(string modifierType)
private enum ClassType
{
None = 0x0,
Class = 0x1,
Struct = 0x2,
Interface = 0x4,
Enum = 0x8,
Delegate = 0x10,
}
private ClassType? ParseClassType(string classType)
{
if (string.IsNullOrEmpty(classType))
{
return null;
}
ClassType type = ClassType.None;
foreach (var s in classType.Split('|'))
{
switch (s)
{
case "class": type |= ClassType.Class; break;
case "struct": type |= ClassType.Struct; break;
case "interface": type |= ClassType.Interface; break;
case "enum": type |= ClassType.Enum; break;
case "delegate": type |= ClassType.Delegate; break;
default: throw new Exception($"Invalid class type {s}");
}
}
return type;
}
private ModifierType? ParseModifierType(string modifierType)
{
if (string.IsNullOrEmpty(modifierType))
{
return ModifierType.Private;
return null;
}
switch (modifierType)
ModifierType type = ModifierType.None;
foreach (var s in modifierType.Split('|'))
{
case "public": return ModifierType.Public;
case "protected": return ModifierType.Protected;
case "private": return ModifierType.Private;
default: throw new Exception($"Invalid modifier type {modifierType}");
switch (s)
{
case "public": type |= ModifierType.Public; break;
case "protected": type |= ModifierType.Protected; break;
case "private": type |= ModifierType.Private; break;
default: throw new Exception($"Invalid modifier type {s}");
}
}
return type;
}
private TypeRuleSpec ParseType(XmlElement element)
{
@ -147,6 +187,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
rule.obfuscateName = ConfigUtil.ParseNullableBool(element.GetAttribute("obName"));
rule.obfuscateNamespace = ConfigUtil.ParseNullableBool(element.GetAttribute("obNamespace"));
rule.modifierType = ParseModifierType(element.GetAttribute("modifier"));
rule.classType = ParseClassType(element.GetAttribute("classType"));
//rule.nestTypeRuleSpecs = new List<TypeRuleSpec>();
rule.fields = new List<FieldRuleSpec>();
@ -297,29 +338,29 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
// return ModifierType.Protected;
//}
private bool MatchModifier(ModifierType modifierType, TypeDef typeDef)
private bool MatchModifier(ModifierType? modifierType, TypeDef typeDef)
{
return modifierType <= ComputeModifierType(typeDef.Visibility);
return modifierType == null || (modifierType & ComputeModifierType(typeDef.Visibility)) != 0;
}
private bool MatchModifier(ModifierType modifierType, FieldDef fieldDef)
private bool MatchModifier(ModifierType? modifierType, FieldDef fieldDef)
{
return modifierType <= ComputeModifierType(fieldDef.Access);
return modifierType == null || (modifierType & ComputeModifierType(fieldDef.Access)) != 0;
}
private bool MatchModifier(ModifierType modifierType, MethodDef methodDef)
private bool MatchModifier(ModifierType? modifierType, MethodDef methodDef)
{
return modifierType <= ComputeModifierType((FieldAttributes)methodDef.Access);
return modifierType == null || (modifierType & ComputeModifierType((FieldAttributes)methodDef.Access)) != 0;
}
private bool MatchModifier(ModifierType modifierType, PropertyDef propertyDef)
private bool MatchModifier(ModifierType? modifierType, PropertyDef propertyDef)
{
return modifierType <= ComputeModifierType((FieldAttributes)propertyDef.Attributes);
return modifierType == null || (modifierType & ComputeModifierType((FieldAttributes)propertyDef.Attributes)) != 0;
}
private bool MatchModifier(ModifierType modifierType, EventDef eventDef)
private bool MatchModifier(ModifierType? modifierType, EventDef eventDef)
{
return modifierType <= ComputeModifierType((FieldAttributes)eventDef.Attributes);
return modifierType == null || (modifierType & ComputeModifierType((FieldAttributes)eventDef.Attributes)) != 0;
}
private class MethodComputeCache
@ -399,6 +440,35 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
}
}
private bool MatchClassType(ClassType? classType, TypeDef typeDef)
{
if (classType == null)
{
return true;
}
if (!typeDef.IsValueType && (classType & ClassType.Class) != 0)
{
return true;
}
if (typeDef.IsValueType && (classType & ClassType.Struct) != 0)
{
return true;
}
if (typeDef.IsInterface && (classType & ClassType.Interface) != 0)
{
return true;
}
if (typeDef.IsEnum && (classType & ClassType.Enum) != 0)
{
return true;
}
if (typeDef.IsDelegate && (classType & ClassType.Delegate) != 0)
{
return true;
}
return false;
}
private TypeRuleSpec GetOrCreateTypeDefRenameComputeCache(TypeDef typeDef)
{
if (_typeSpecCache.TryGetValue(typeDef, out var typeRule))
@ -436,7 +506,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
bool findMatch = false;
foreach (var typeSpec in assemblyRuleSpec.types)
{
if (!typeSpec.nameMatcher.IsMatch(typeName) || !MatchModifier(typeSpec.modifierType, typeDef))
if (!typeSpec.nameMatcher.IsMatch(typeName) || !MatchModifier(typeSpec.modifierType, typeDef) || !MatchClassType(typeSpec.classType, typeDef))
{
continue;
}