aueb

#!/usr/bin/env bash

aueb() {
    cat << EOM
-----------------------
    Foss Aueb Team
  http://foss.aueb.gr
-----------------------
EOM
}

usage() {
    cat << EOM
usage: aueb option suboption

  options:
    packages    install or remove packages
      install     install packages
      remove      remove packages
    wifi        toggle university wireless connection
      up          connect to the wireless network
      down        disconnect from the wireless network

  notes:
    a) if your wireless interface is not 'wlan0' then
    set the IFACE variable to your interface name, eg;
      IFACE="ath0" aueb wifi up
    b) you may need to turn off any running network
    managers to let wifi work.
EOM
}

detect_dist() {
    printf " ** %s\n" "Detecting distribution .."
    dist="$(head -1 -q /etc/*release | sed 's/.*"\(.\+\)".*/\1/' \
        | tr [[:upper:]] [[:lower:]])"
    confirm_dist $dist && return 0

    type lsb_release &>/dev/null && dist="$(lsb_release -i \
        | awk -F':\t' '{ print $2 }' | tr [[:upper:]] [[:lower:]])"
    confirm_dist $dist && return 0 \
        || printf "\n ** %s\n" "Couldn't detect distribution" && return 1
}

confirm_dist() {
    local answer
    printf "Is this your distribution: %s (Y/n)? " "$1" && read answer
    [[ -z $answer || $answer =~ ^[yY]$ ]] && return 0 || return 1
}

choose_dist() {
    printf "\nPlease choose your distribution, from the list below:\n"
    printf "\t%s\n" "1. Ubuntu" "2. Arch" "0. exit"

    local choice
    while true; do
        read -p "Your distribution: " choice
        case $choice in
            1)
                dist="ubuntu"
                break
                ;;
            2)
                dist="arch"
                break
                ;;
            0)
                aueb
                exit 0
                ;;
            *)
                printf " --> Unknown choice: %s. Please try again.\n" "$choice"
                ;;
        esac
    done
}

create_profile() {
    [[ -e $wificonf ]] && return
    cat > "$wificonf" << EOF
ctrl_interface=${PREFIX}/wpa_aueb
eapol_version=1
ap_scan=1
fast_reauth=1
network={
    ssid="AUEB-Wireless"
    key_mgmt=WPA-EAP
    pairwise=CCMP TKIP
    eap=PEAP
    phase2="auth=MSCHAPV2"
    identity="aueb"
    password="wireless"
}
EOF
}

(( UID )) && printf " --> %s\n" "You must have root priviledges to run this script" && aueb && exit 1

case $1 in
    packages)
        declare -A installer
        installer=( [ubuntu]="aptitude install"
                    [arch]="pacman -S"
        )
        declare -A uninstaller
        installer=( [ubuntu]="aptitude remove"
                    [arch]="pacman -Rs"
        )
        declare -A packages
        packages=( [common]="netbeans geany nmap scilab tcsh wireshark"
                   [ubuntu]="openjdk-6-jdk build-essential wireless-tools wpasupplicant"
                   [arch]="openjdk6 base-devel wireless_tools wpa_supplicant"
        )
        dist=

        case $2 in
            install)
                detect_dist || choose_dist
                printf " ** Running: %s\n" "${installer["$dist"]} ${packages["common"]} ${packages["$dist"]}" \
                    && { printf " ==> %s\n" "Software ready to use"; aueb; exit 0; }   \
                    || { printf " --> %s\n" "Failed to install packages. Check with your package manager."; aueb; exit 1; }
                ;;
            remove)
                detect_dist || choose_dist
                printf " ** Running: %s\n" "${uninstaller["$dist"]} ${packages["common"]} ${packages["$dist"]}" \
                    && { printf " ==> %s\n" "Software removed"; aueb; exit 0; }          \
                    || { printf " --> %s\n" "Failed to uninstall packages. Check with your package manager."; aueb; exit 1; }
                ;;
            *)
                printf " --> Unknown option: %s\n" "$2"
                exit 1
                ;;
        esac
        ;;
    wifi)
        netdir="/etc/wpa_supplicant"
        wificonf="$netdir/wpa_aueb.conf"
        mkdir -p "$netdir"
        IFACE="${IFACE:-wlan0}"

        case $2 in
            up)
                create_profile
                printf " ** Running: %s\n" "wpa_supplicant -Dwext -i${IFACE} -c${wificonf}"       \
                && printf " ==> %s\n" "Connected to aueb wireless network" \
                || printf " --> %s\n" "Couldn't connect to wireless network"
                ;;
            down)
                printf " ** Running: %s\n" "ifconfig ${IFACE} down"
                printf " ==> %s\n" "Disconnected wireless connection"
                ;;
            *)
                printf " --> Unknown option: %s\n" "$2"
                exit 1
                ;;
        esac
        ;;
    help)
        usage
        exit 0
        ;;
    *)
        printf " --> Unknown option: %s\n" "$1"
        exit 1
        ;;
esac

# TODO:
# -- install/remove --
# custom packages for: omnet spim xampp quartus nessus
# -- wifi_toggle --
# follow output and react <- tailf?