#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define PASSFILE   "/home/passtest/flag"
#define MAX_SIZE   100

int main(int argc, char **argv)
{
    FILE * f;
    char password[MAX_SIZE + 1] = {0};

    if (argc < 2 || (f=fopen(PASSFILE, "r")) == NULL || fgets(password, MAX_SIZE, f) == NULL)
    {
        printf("Fail.\n");
        exit(1);
    }

    if (strncmp(argv[1], password, MAX_SIZE) == 0)
    {
        printf("Good Job =)\n");
    }
}