Hooking Example (case 1. getchar() / rand())

 Hooking Example:

 1. Getchar() / rand

   only C , and this code is meaningless code. Only test!

Target code.

- target.c

  : gcc –o target target.c

Hook code.

- hook.c

  : gcc -shared -fPIC -o hook.so main.c –ldl

Exec:

Normal:

$  ./target

Hook:

$LD_PRELOAD="/home/xxxx/hook_test/hook/hook.so" ./target

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#C #C++ #Linux #Embedded #Hooking Example #Hooking