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/**
* @file basic_jmp.c
* @brief cdl86 asm jmp patch unit test
*
* cdl86
* Experimental Linux/Windows x86/x86_64 detours library.
* Author: Dylan Müller
*
* +---------------------------------------+
* | .-. .-. .-. |
* | / \ / \ / \ + |
* | \ / \ / \ / |
* | "_" "_" "_" |
* | |
* | _ _ _ _ _ _ ___ ___ _ _ |
* | | | | | | | \| | /_\ | _ \ / __| || | |
* | | |_| |_| | .` |/ _ \| /_\__ \ __ | |
* | |____\___/|_|\_/_/ \_\_|_(_)___/_||_| |
* | |
* | |
* | Lunar RF Labs |
* | https://lunar.sh |
* | |
* | Research Laboratories |
* | OpenAlias (BTC, XMR): lunar.sh |
* | Copyright (C) 2022-2024 |
* +---------------------------------------+
*/
#include <stdio.h>
#include "cdl.h"
typedef int add_t(
__in int x,
__in int y
);
add_t* addo = NULL;
int add(
__in int x,
__in int y
)
{
printf("Inside original function\n");
return x + y;
}
int add_detour(
__in int x,
__in int y
)
{
printf("Inside detour function\n");
return addo(5,5);
}
int main(
__in void
)
{
struct cdl_jmp_patch jmp_patch = {};
addo = (add_t*)add;
printf("Before attach: \n");
printf("add(1,1) = %i\n\n", add(1,1));
jmp_patch = cdl_jmp_attach((void**)&addo, add_detour);
if(jmp_patch.active)
{
printf("After attach: \n");
printf("add(1,1) = %i\n\n", add(1,1));
printf("== DEBUG INFO ==\n");
cdl_jmp_dbg(&jmp_patch);
}
cdl_jmp_detach(&jmp_patch);
printf("\nAfter detach: \n");
printf("add(1,1) = %i\n\n", add(1,1));
return 0;
}
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