符号混淆的规则文件中type规则新增hasCustomAttributes属性

before-split
walon 2025-05-28 08:42:57 +08:00
parent cbd4f1ded9
commit ceb92fba40
1 changed files with 30 additions and 4 deletions

View File

@ -59,6 +59,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
public ModifierType? modifierType;
public ClassType? classType;
public List<string> inheritTypes;
public List<string> hasCustomAttributes;
public bool? obfuscateName;
public ObfuzScope? applyToMembers;
public bool applyToNestedTypes;
@ -199,7 +200,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
return scope;
}
private List<string> ParseInheritTypes(string inheritStr)
private List<string> ParseTypes(string inheritStr)
{
if (string.IsNullOrWhiteSpace(inheritStr))
{
@ -227,7 +228,8 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
rule.applyToNestedTypes = ConfigUtil.ParseNullableBool(element.GetAttribute("applyToNestedTypes")) ?? true;
rule.modifierType = ParseModifierType(element.GetAttribute("modifier"));
rule.classType = ParseClassType(element.GetAttribute("classType"));
rule.inheritTypes = ParseInheritTypes(element.GetAttribute("inherit"));
rule.inheritTypes = ParseTypes(element.GetAttribute("inherit"));
rule.hasCustomAttributes = ParseTypes(element.GetAttribute("hasCustomAttributes"));
//rule.nestTypeRuleSpecs = new List<TypeRuleSpec>();
rule.fields = new List<FieldRuleSpec>();
@ -694,13 +696,33 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
return false;
}
private bool MatchCustomAttributes(List<string> customAttributes, TypeDef typeDef)
{
if (customAttributes == null || customAttributes.Count == 0)
{
return true;
}
foreach (string customAttributeName in customAttributes)
{
if (typeDef.CustomAttributes.Find(customAttributeName) != null)
{
return true;
}
}
return false;
}
private IEnumerable<TypeDef> GetMatchTypes(ModuleDef mod, List<TypeDef> types, TypeRuleSpec typeSpec)
{
if (typeSpec.nameMatcher.IsWildcardPattern)
{
foreach (var typeDef in types)
{
if (!typeSpec.nameMatcher.IsMatch(typeDef.FullName) || !MatchModifier(typeSpec.modifierType, typeDef) || !MatchClassType(typeSpec.classType, typeDef) || !MatchInheritTypes(typeSpec.inheritTypes, typeDef))
if (!typeSpec.nameMatcher.IsMatch(typeDef.FullName)
|| !MatchModifier(typeSpec.modifierType, typeDef)
|| !MatchClassType(typeSpec.classType, typeDef)
|| !MatchInheritTypes(typeSpec.inheritTypes, typeDef)
|| !MatchCustomAttributes(typeSpec.hasCustomAttributes, typeDef))
{
continue;
}
@ -710,7 +732,11 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
else
{
TypeDef typeDef = mod.FindNormal(typeSpec.nameMatcher.NameOrPattern);
if (typeDef != null && MatchModifier(typeSpec.modifierType, typeDef) && MatchClassType(typeSpec.classType, typeDef) && MatchInheritTypes(typeSpec.inheritTypes, typeDef))
if (typeDef != null
&& MatchModifier(typeSpec.modifierType, typeDef)
&& MatchClassType(typeSpec.classType, typeDef)
&& MatchInheritTypes(typeSpec.inheritTypes, typeDef)
&& MatchCustomAttributes(typeSpec.hasCustomAttributes, typeDef))
{
yield return typeDef;
}