Esempio n. 1
0
void Hook_EDog_i1()
{
	JNIEnv* env = NULL;
	if(GVM == NULL)
	{
		DEXLOG("Hook_EDog_i1 GVM is NULL ");
		return ;
	}
	if($EDog_i1 != NULL)return ;
	if(GVM->GetEnv((void**)&env, JNI_VERSION_1_4) != JNI_OK){
		DEXLOG("Hook_EDog_i1 GetEnv fail!");
		return ;
	}
	jclass cls_protect = findAppClass(env,"com/edog/ELibrary");
	if(cls_protect == NULL){
		DEXLOG("Hook_EDog_i1 com/edog/ELibrary no find!");
		return ;
	}
	jmethodID method_enc = env->GetMethodID(cls_protect,"i1","(Ljava/lang/String;)V");
	if(NULL == method_enc)
	{
		DEXLOG("Hook_EDog_i1 or method_enc no find!");
		return ;
	}
	MSJavaHookMethod(env,cls_protect,method_enc,(void*)&new$EDog_i1,(void**)&$EDog_i1);
	DEXLOG("Hook_EDog_i1 is oVER!");
	return ;
}
Esempio n. 2
0
bool ClassMethodHook(HookInfo info){

	JNIEnv *jenv = GetEnv();

	jclass clazzTarget = jenv->FindClass(info.tClazz);
	if (ClearException(jenv)) {
		ALOG("Exception","ClassMethodHook[Can't find class:%s in bootclassloader",info.tClazz);

	    clazzTarget = findAppClass(jenv,info.tClazz);
	    if(clazzTarget == NULL){
	    	ALOG("Exception","%s","Error in findAppClass");
	    	return false;
	    }
	}

	jmethodID method = jenv->GetMethodID(clazzTarget,info.tMethod,info.tMeihodSig);
	if(method==NULL){
		ALOG("Exception","ClassMethodHook[Can't find method:%s",info.tMethod);
		return false;
	}

	/*
	if(isArt()){
		HookArtMethod(jenv,method);
	}else{
		HookDalvikMethod(method);
	}
	*/

	HookDalvikMethod(method);

    JNINativeMethod gMethod[] = {
        {info.tMethod, info.tMeihodSig, info.handleFunc},
    };

    //func为NULL时不自行绑定,后面扩展吧
    if(info.handleFunc != NULL){
		//关键!!将目标方法关联到自定义的native方法
		if (jenv->RegisterNatives(clazzTarget, gMethod, 1) < 0) {
			ALOG("RegisterNatives","err");
			return false;
		}
    }

	DetachCurrent();
	return true;
}