aueb

#!/usr/bin/env bash

exit() {
    aueb
    builtin exit ${1:-0}
}

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;
      sudo 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 && return 0

    type lsb_release &>/dev/null && dist="$(lsb_release -i \
        | awk -F':\t' '{ print $2 }' | tr [[:upper:]] [[:lower:]])"
    confirm_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)? " "$dist" && 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 $choice in
            1)
                dist="ubuntu"
                break
                ;;
            2)
                dist="arch"
                break
                ;;
            0)
                exit
                ;;
            *)
                printf " --> Unknown choice: %s. Please try again.\n" "$choice"
                ;;
        esac
    done
}

install_extra() {
    # FIXME
    echo "Install Extra"
    case $dist in
        arch)
            # TODO:
            # download package from AUR
            # unpack && makepkg
            # pacman -U
            ;;
        ubuntu)
            for pkg in ${packages["extra-${dist}"]}; do
                # FIXME or create .deb packages ~ similar to arch/AUR
                make install $pkg
            done
            ;;
    esac
    for pkg in ${packages["extra-both"]}; do
        # FIXME
        make install $pkg
    done
}

uninstall_extra() {
    case $dist in
        arch)
            ${uninstaller["$dist"]} ${packages["extra-${dist}"]}
            ;;
        ubuntu)
            for pkg in ${packages["extra-${dist}"]}; do
                # FIXME or remove .deb ~ similar to arch/AUR
                make uninstall $pkg
            done
            ;;
    esac
    for pkg in ${packages["extra-both"]}; do
        # FIXME
        make uninstall $pkg
    done
}

create_wifi_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
}

# TODO: uncomment on deploy
# (( UID )) && printf " --> %s\n" "You must have root priviledges to run this script" >&2 && exit 1

dist=

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"
                   [arch]="openjdk6 base-devel wireless_tools wpa_supplicant"
                   [extra-arch]="nessus omnetpp4 xampp" ## AUR
                   [ubuntu]="openjdk-6-jdk build-essential wireless-tools wpasupplicant nessus"
                   [extra-ubuntu]="omnetpp xampp"
                   [extra-both]="quartus"
        )

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

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

# TODO:
# custom packages: omnet xampp quartus nessus
# test wpa_supplicant

# vim: nospell