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obfuz
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重构符号混淆的规则文件

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walon 2025-05-27 14:45:18 +08:00
parent f134b88c13
commit 994e63966f
1 changed files with 56 additions and 24 deletions
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80
com.code-philosophy.obfuz/Editor/ObfusPasses/SymbolObfus/Policies/ConfigurableRenamePolicy.cs
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@ -15,16 +15,6 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
public class ConfigurableRenamePolicy : ObfuscationPolicyBase public class ConfigurableRenamePolicy : ObfuscationPolicyBase
{ {
enum RuleType
{
Assembly = 1,
Type = 2,
Method = 3,
Field = 4,
Property = 5,
Event = 6,
}
enum ModifierType enum ModifierType
{ {
None = 0x0, None = 0x0,
@ -52,7 +42,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
public NameMatcher nameMatcher; public NameMatcher nameMatcher;
public ModifierType? modifierType; public ModifierType? modifierType;
public bool? obfuscateName; public bool? obfuscateName;
public bool applyToMethods; public ObfuzScope? applyToMembers;
} }
class EventRuleSpec class EventRuleSpec
@ -60,7 +50,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
public NameMatcher nameMatcher; public NameMatcher nameMatcher;
public ModifierType? modifierType; public ModifierType? modifierType;
public bool? obfuscateName; public bool? obfuscateName;
public bool applyToMethods; public ObfuzScope? applyToMembers;
} }
class TypeRuleSpec class TypeRuleSpec
@ -69,7 +59,9 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
public ModifierType? modifierType; public ModifierType? modifierType;
public ClassType? classType; public ClassType? classType;
public bool? obfuscateName; public bool? obfuscateName;
public bool applyToMembers; public ObfuzScope? applyToMembers;
public bool applyToNestedTypes;
public List<FieldRuleSpec> fields; public List<FieldRuleSpec> fields;
public List<MethodRuleSpec> methods; public List<MethodRuleSpec> methods;
public List<PropertyRuleSpec> properties; public List<PropertyRuleSpec> properties;
@ -135,7 +127,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
} }
ClassType type = ClassType.None; ClassType type = ClassType.None;
foreach (var s in classType.Split('|')) foreach (var s in classType.Split(','))
{ {
switch (s) switch (s)
{ {
@ -157,7 +149,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
return null; return null;
} }
ModifierType type = ModifierType.None; ModifierType type = ModifierType.None;
foreach (var s in modifierType.Split('|')) foreach (var s in modifierType.Split(','))
{ {
switch (s) switch (s)
{ {
@ -170,13 +162,49 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
return type; return type;
} }
private ObfuzScope? ParseApplyToMembersScope(string membersScopeStr)
{
if (string.IsNullOrWhiteSpace(membersScopeStr))
{
return null;
}
ObfuzScope scope = ObfuzScope.None;
foreach (string s in membersScopeStr.Split(','))
{
var s2 = s.Trim().ToLowerInvariant();
switch (s2)
{
case "none": break;
case "field": scope |= ObfuzScope.Field; break;
case "eventname": scope |= ObfuzScope.EventName; break;
case "eventaddremovefirename": scope |= ObfuzScope.EventAddRemoveFireName; break;
case "event": scope |= ObfuzScope.Event; break;
case "methodname": scope |= ObfuzScope.MethodName; break;
case "method": scope |= ObfuzScope.MethodName; break;
case "propertyname": scope |= ObfuzScope.PropertyName; break;
case "propertygettersettername": scope |= ObfuzScope.PropertyGetterSetterName; break;
case "property": scope |= ObfuzScope.Property; break;
case "all":
case "*": scope |= ObfuzScope.All; break;
default:
{
throw new Exception($"Invalid applyToMembers scope {s2}");
}
}
}
return scope;
}
private TypeRuleSpec ParseType(XmlElement element) private TypeRuleSpec ParseType(XmlElement element)
{ {
var rule = new TypeRuleSpec(); var rule = new TypeRuleSpec();
rule.nameMatcher = new NameMatcher(element.GetAttribute("name")); rule.nameMatcher = new NameMatcher(element.GetAttribute("name"));
rule.obfuscateName = ConfigUtil.ParseNullableBool(element.GetAttribute("obName")); rule.obfuscateName = ConfigUtil.ParseNullableBool(element.GetAttribute("obName"));
rule.applyToMembers = ConfigUtil.ParseNullableBool(element.GetAttribute("applyToMembers")) ?? false; rule.applyToMembers = ParseApplyToMembersScope(element.GetAttribute("applyToMembers"));
rule.modifierType = ParseModifierType(element.GetAttribute("modifier")); rule.modifierType = ParseModifierType(element.GetAttribute("modifier"));
rule.classType = ParseClassType(element.GetAttribute("classType")); rule.classType = ParseClassType(element.GetAttribute("classType"));
@ -217,7 +245,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
propertyRulerSpec.nameMatcher = new NameMatcher(childElement.GetAttribute("name")); propertyRulerSpec.nameMatcher = new NameMatcher(childElement.GetAttribute("name"));
propertyRulerSpec.modifierType = ParseModifierType(childElement.GetAttribute("modifier")); propertyRulerSpec.modifierType = ParseModifierType(childElement.GetAttribute("modifier"));
propertyRulerSpec.obfuscateName = ConfigUtil.ParseNullableBool(childElement.GetAttribute("obName")); propertyRulerSpec.obfuscateName = ConfigUtil.ParseNullableBool(childElement.GetAttribute("obName"));
propertyRulerSpec.applyToMethods = ConfigUtil.ParseNullableBool(childElement.GetAttribute("applyToMethods")) ?? false; propertyRulerSpec.applyToMembers = ParseApplyToMembersScope(childElement.GetAttribute("applyToMembers"));
rule.properties.Add(propertyRulerSpec); rule.properties.Add(propertyRulerSpec);
break; break;
} }
@ -227,7 +255,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
eventRuleSpec.nameMatcher = new NameMatcher(childElement.GetAttribute("name")); eventRuleSpec.nameMatcher = new NameMatcher(childElement.GetAttribute("name"));
eventRuleSpec.modifierType = ParseModifierType(childElement.GetAttribute("modifier")); eventRuleSpec.modifierType = ParseModifierType(childElement.GetAttribute("modifier"));
eventRuleSpec.obfuscateName = ConfigUtil.ParseNullableBool(childElement.GetAttribute("obName")); eventRuleSpec.obfuscateName = ConfigUtil.ParseNullableBool(childElement.GetAttribute("obName"));
eventRuleSpec.applyToMethods = ConfigUtil.ParseNullableBool(childElement.GetAttribute("applyToMethods")) ?? false; eventRuleSpec.applyToMembers = ParseApplyToMembersScope(childElement.GetAttribute("applyToMembers"));
rule.events.Add(eventRuleSpec); rule.events.Add(eventRuleSpec);
break; break;
} }
@ -478,7 +506,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
foreach (var fieldDef in typeDef.Fields) foreach (var fieldDef in typeDef.Fields)
{ {
RuleResult fieldRuleResult = GetOrCreateFieldRuleResult(fieldDef); RuleResult fieldRuleResult = GetOrCreateFieldRuleResult(fieldDef);
if (typeSpec.applyToMembers && typeSpec.obfuscateName != null) if (typeSpec.applyToMembers != null && (typeSpec.applyToMembers & ObfuzScope.Field) != 0 && typeSpec.obfuscateName != null)
{ {
fieldRuleResult.obfuscateName = typeSpec.obfuscateName; fieldRuleResult.obfuscateName = typeSpec.obfuscateName;
} }
@ -497,7 +525,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
foreach (MethodDef methodDef in typeDef.Methods) foreach (MethodDef methodDef in typeDef.Methods)
{ {
RuleResult methodRuleResult = GetOrCreateMethodRuleResult(methodDef); RuleResult methodRuleResult = GetOrCreateMethodRuleResult(methodDef);
if (typeSpec.applyToMembers && typeSpec.obfuscateName != null) if (typeSpec.applyToMembers != null && (typeSpec.applyToMembers & ObfuzScope.Method) != 0 && typeSpec.obfuscateName != null)
{ {
methodRuleResult.obfuscateName = typeSpec.obfuscateName; methodRuleResult.obfuscateName = typeSpec.obfuscateName;
} }
@ -506,7 +534,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
foreach (var eventDef in typeDef.Events) foreach (var eventDef in typeDef.Events)
{ {
RuleResult eventRuleResult = GetOrCreateEventRuleResult(eventDef); RuleResult eventRuleResult = GetOrCreateEventRuleResult(eventDef);
if (typeSpec.applyToMembers && typeSpec.obfuscateName != null) if (typeSpec.applyToMembers != null && (typeSpec.applyToMembers & ObfuzScope.EventName) != 0 && typeSpec.obfuscateName != null)
{ {
eventRuleResult.obfuscateName = typeSpec.obfuscateName; eventRuleResult.obfuscateName = typeSpec.obfuscateName;
} }
@ -519,7 +547,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
if (eventSpec.obfuscateName != null) if (eventSpec.obfuscateName != null)
{ {
eventRuleResult.obfuscateName = eventSpec.obfuscateName; eventRuleResult.obfuscateName = eventSpec.obfuscateName;
if (eventSpec.applyToMethods) if (eventSpec.applyToMembers != null && (eventSpec.applyToMembers & ObfuzScope.EventAddRemoveFireName) != 0)
{ {
if (eventDef.AddMethod != null) if (eventDef.AddMethod != null)
{ {
@ -540,6 +568,10 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
foreach (var propertyDef in typeDef.Properties) foreach (var propertyDef in typeDef.Properties)
{ {
RuleResult propertyRuleResult = GetOrCreatePropertyRuleResult(propertyDef); RuleResult propertyRuleResult = GetOrCreatePropertyRuleResult(propertyDef);
if (typeSpec.applyToMembers != null && (typeSpec.applyToMembers & ObfuzScope.PropertyName) != 0 && typeSpec.obfuscateName != null)
{
propertyRuleResult.obfuscateName = typeSpec.obfuscateName;
}
foreach (var propertySpec in typeSpec.properties) foreach (var propertySpec in typeSpec.properties)
{ {
if (!propertySpec.nameMatcher.IsMatch(propertyDef.Name) || !MatchModifier(propertySpec.modifierType, propertyDef)) if (!propertySpec.nameMatcher.IsMatch(propertyDef.Name) || !MatchModifier(propertySpec.modifierType, propertyDef))
@ -549,7 +581,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
if (propertySpec.obfuscateName != null) if (propertySpec.obfuscateName != null)
{ {
propertyRuleResult.obfuscateName = propertySpec.obfuscateName; propertyRuleResult.obfuscateName = propertySpec.obfuscateName;
if (propertySpec.applyToMethods) if (propertySpec.applyToMembers != null && (propertySpec.applyToMembers & ObfuzScope.PropertyGetterSetterName) != 0)
{ {
if (propertyDef.GetMethod != null) if (propertyDef.GetMethod != null)
{ {
@ -582,7 +614,7 @@ namespace Obfuz.ObfusPasses.SymbolObfus.Policies
foreach (TypeDef nestedType in typeDef.NestedTypes) foreach (TypeDef nestedType in typeDef.NestedTypes)
{ {
var nestedRuleResult = GetOrCreateTypeRuleResult(nestedType); var nestedRuleResult = GetOrCreateTypeRuleResult(nestedType);
if (typeSpec.applyToMembers && typeSpec.obfuscateName != null) if (typeSpec.applyToNestedTypes && typeSpec.obfuscateName != null)
{ {
nestedRuleResult.obfuscateName = typeSpec.obfuscateName; nestedRuleResult.obfuscateName = typeSpec.obfuscateName;
} }