NDH 2k10 public wargame, level2

/***********************************
|            level2.c              |
|  http://wargame.nuitduhack.com/  |
|  http://www.nuitduhack.com/      |
***********************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char *argv[])
{
    char *buffer = malloc(sizeof(char)*(strlen("man ")+strlen(argv[1])+1));

    if(argc<2 || strlen(argv[1])>50) {
        printf("Manpage <argument>\n");
        exit(0);
    }

    strcpy(buffer, "man ");
    strcat(buffer, argv[1]);

    system(buffer);
    return 0;
}