源码地址:
https://github.com/jmpews/HookZz
使用:
git clone --branch dev --depth 1 https://github.com/jmpews/HookZz.git
armv7
然后导入ndk
export ANDROID_NDK=/Users/haidragon/Library/Android/sdk/ndk-bundle
cmake .. \
-DCMAKE_TOOLCHAIN_FILE=$ANDROID_NDK/build/cmake/android.toolchain.cmake \
-DCMAKE_BUILD_TYPE=Release \
-DANDROID_ABI="armeabi-v7a" \
-DANDROID_STL=c++_static \
-DANDROID_NATIVE_API_LEVEL=android-14 \
-DSHARED=ON \
-DHOOKZZ_DEBUG=OFF
make -j4
编写测试代码:
testandorid.cpp
#include <stdio.h>
#include <dlfcn.h>
typedef int (*ZzReplace)(void *function_address, void *replace_call, void **origin_call);
void* oldfunc;
int myputs(char* str){
printf("hook :%s\n",str);
int i=1;
for(;*(str+i)!=0;i++){}
return i;
}
int main(int argc, char *argv[])
{
void * libm_handle = NULL;
libm_handle = dlopen("./libhookzz.so", RTLD_LAZY);
ZzReplace F_ZzReplace=(ZzReplace)dlsym(libm_handle,"ZzReplace");
if (F_ZzReplace!=NULL) {
puts("puts1\n");
printf("F_ZzReplace addr=%p \n",F_ZzReplace);
F_ZzReplace((void*)&puts,(void*)myputs,(void **)&oldfunc);
puts("puts2\n");
}
else{
printf("ZzReplace=NULL\n");
}
return 0;
}
Android.mk
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_ARM_MODE := arm
LOCAL_CFLAGS += -pie -fPIE
LOCAL_LDFLAGS += -pie -fPIE
LOCAL_MODULE := testandroid
LOCAL_SRC_FILES := testandroid.cpp
include $(BUILD_EXECUTABLE)
运行发现段错误 这个和我自己写hook时一样,但是我自己后面用了其它方式可行,暂时不知道什么原因,没有去看hookZz代码,先放在这里。
转载于:https://blog.51cto.com/haidragon/2391324