NDH 2k10 public wargame, level9

/***********************************
|            level9.c              |
|  http://wargame.nuitduhack.com/  |
|  http://www.nuitduhack.com/      |
***********************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

// gcc -o level9 level9.c -fno-stack-protector -mpreferred-stack-boundary=2
// paxctl -c -Spermx level9

void sayHello(char *tmp)
{
    char login[50];

    strcpy(login, tmp);
    printf("Hi %s !\n", login);
}

int main(int argc, char *argv[])
{
        if(argc < 2) {
                printf("Empty login! \n");
                exit(-1);
        }
    sayHello(argv[1]);

        exit(0);
}