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symbol obfus规则支持type inherit过滤条件

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walon 2025-05-27 23:55:18 +08:00
parent 468ea6a343
commit cbd4f1ded9
1 changed files with 47 additions and 2 deletions
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49
com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/Policies/ConfigurableRenamePolicy.cs
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@ -58,6 +58,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
public NameMatcher nameMatcher; public NameMatcher nameMatcher;
public ModifierType? modifierType; public ModifierType? modifierType;
public ClassType? classType; public ClassType? classType;
public List<string> inheritTypes;
public bool? obfuscateName; public bool? obfuscateName;
public ObfuzScope? applyToMembers; public ObfuzScope? applyToMembers;
public bool applyToNestedTypes; public bool applyToNestedTypes;
@ -198,6 +199,24 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
return scope; return scope;
} }
private List<string> ParseInheritTypes(string inheritStr)
{
if (string.IsNullOrWhiteSpace(inheritStr))
{
return null;
}
var inheritTypes = new List<string>();
foreach (var s in inheritStr.Split(','))
{
var trimmed = s.Trim();
if (!string.IsNullOrEmpty(trimmed))
{
inheritTypes.Add(trimmed);
}
}
return inheritTypes;
}
private TypeRuleSpec ParseType(XmlElement element) private TypeRuleSpec ParseType(XmlElement element)
{ {
var rule = new TypeRuleSpec(); var rule = new TypeRuleSpec();
@ -208,6 +227,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
rule.applyToNestedTypes = ConfigUtil.ParseNullableBool(element.GetAttribute("applyToNestedTypes")) ?? true; rule.applyToNestedTypes = ConfigUtil.ParseNullableBool(element.GetAttribute("applyToNestedTypes")) ?? true;
rule.modifierType = ParseModifierType(element.GetAttribute("modifier")); rule.modifierType = ParseModifierType(element.GetAttribute("modifier"));
rule.classType = ParseClassType(element.GetAttribute("classType")); rule.classType = ParseClassType(element.GetAttribute("classType"));
rule.inheritTypes = ParseInheritTypes(element.GetAttribute("inherit"));
//rule.nestTypeRuleSpecs = new List<TypeRuleSpec>(); //rule.nestTypeRuleSpecs = new List<TypeRuleSpec>();
rule.fields = new List<FieldRuleSpec>(); rule.fields = new List<FieldRuleSpec>();
@ -649,13 +669,38 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
} }
} }
private bool MatchInheritTypes(List<string> inheritTypes, TypeDef typeDef)
{
if (inheritTypes == null || inheritTypes.Count == 0)
{
return true;
}
TypeDef currentType = typeDef;
while (currentType != null)
{
if (inheritTypes.Contains(currentType.FullName))
{
return true;
}
foreach (var interfaceType in currentType.Interfaces)
{
if (inheritTypes.Contains(interfaceType.Interface.FullName))
{
return true;
}
}
currentType = MetaUtil.GetBaseTypeDef(currentType);
}
return false;
}
private IEnumerable<TypeDef> GetMatchTypes(ModuleDef mod, List<TypeDef> types, TypeRuleSpec typeSpec) private IEnumerable<TypeDef> GetMatchTypes(ModuleDef mod, List<TypeDef> types, TypeRuleSpec typeSpec)
{ {
if (typeSpec.nameMatcher.IsWildcardPattern) if (typeSpec.nameMatcher.IsWildcardPattern)
{ {
foreach (var typeDef in types) foreach (var typeDef in types)
{ {
if (!typeSpec.nameMatcher.IsMatch(typeDef.FullName) || !MatchModifier(typeSpec.modifierType, typeDef) || !MatchClassType(typeSpec.classType, typeDef)) if (!typeSpec.nameMatcher.IsMatch(typeDef.FullName) || !MatchModifier(typeSpec.modifierType, typeDef) || !MatchClassType(typeSpec.classType, typeDef) || !MatchInheritTypes(typeSpec.inheritTypes, typeDef))
{ {
continue; continue;
} }
@ -665,7 +710,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
else else
{ {
TypeDef typeDef = mod.FindNormal(typeSpec.nameMatcher.NameOrPattern); TypeDef typeDef = mod.FindNormal(typeSpec.nameMatcher.NameOrPattern);
if (typeDef != null && MatchModifier(typeSpec.modifierType, typeDef) && MatchClassType(typeSpec.classType, typeDef)) if (typeDef != null && MatchModifier(typeSpec.modifierType, typeDef) && MatchClassType(typeSpec.classType, typeDef) && MatchInheritTypes(typeSpec.inheritTypes, typeDef))
{ {
yield return typeDef; yield return typeDef;
} }