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feat: create hooking code for all internal methods in the class #2328

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merged 1 commit into from
Oct 30, 2024
Merged

feat: create hooking code for all internal methods in the class #2328

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24 changes: 21 additions & 3 deletions jadx-gui/src/main/java/jadx/gui/ui/codearea/FridaAction.java
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@

import jadx.api.JavaClass;
import jadx.api.JavaField;
import jadx.api.JavaMethod;
import jadx.api.metadata.annotations.VarNode;
import jadx.core.codegen.TypeGen;
import jadx.core.dex.info.MethodInfo;
Expand Down Expand Up @@ -57,7 +58,7 @@ private String generateFridaSnippet(JNode node) {
return generateMethodSnippet((JMethod) node);
}
if (node instanceof JClass) {
return generateClassSnippet((JClass) node);
return generateClassAllMethodSnippet((JClass) node);
}
if (node instanceof JField) {
return generateFieldSnippet((JField) node);
Expand All @@ -66,7 +67,15 @@ private String generateFridaSnippet(JNode node) {
}

private String generateMethodSnippet(JMethod jMth) {
MethodNode mth = jMth.getJavaMethod().getMethodNode();
return getMethodSnippet(jMth.getJavaMethod(), jMth.getJParent());
}

private String generateMethodSnippet(JavaMethod javaMethod, JClass jc) {
return getMethodSnippet(javaMethod, jc);
}

private String getMethodSnippet(JavaMethod javaMethod, JClass jc) {
MethodNode mth = javaMethod.getMethodNode();
MethodInfo methodInfo = mth.getMethodInfo();
String methodName;
String newMethodName;
Expand Down Expand Up @@ -95,7 +104,7 @@ private String generateMethodSnippet(JMethod jMth) {
logArgs = ": " + argNames.stream().map(arg -> arg + "=${" + arg + "}").collect(Collectors.joining(", "));
}
String shortClassName = mth.getParentClass().getAlias();
String classSnippet = generateClassSnippet(jMth.getJParent());
String classSnippet = generateClassSnippet(jc);
if (methodInfo.isConstructor() || methodInfo.getReturnType() == ArgType.VOID) {
// no return value
return classSnippet + "\n"
Expand All @@ -120,6 +129,15 @@ private String generateClassSnippet(JClass jc) {
return String.format("let %s = Java.use(\"%s\");", shortClassName, rawClassName);
}

private String generateClassAllMethodSnippet(JClass jc) {
JavaClass javaClass = jc.getCls();
String result = "";
for (JavaMethod javaMethod : javaClass.getMethods()) {
result = result + generateMethodSnippet(javaMethod, jc) + "\n";
}
return result;
}

private String generateFieldSnippet(JField jf) {
JavaField javaField = jf.getJavaField();
String rawFieldName = StringEscapeUtils.escapeEcmaScript(javaField.getRawName());
Expand Down