#! /bin/bash
. /usr/lib/network/network

error()
{
    err_append "$*"
    ip addr flush $INTERFACE &>/dev/null
    quirk "nodown" || ip link set $INTERFACE down &>/dev/null 
    exit 1
}

ethernet_up() {
    load_profile $1

    if [[ ! -e /sys/class/net/$INTERFACE ]]; then
        if ! echo "$INTERFACE"|grep ":"; then
            error "Interface $INTERFACE does not exist"
        fi
    fi  

	if ip link show $INTERFACE|grep -q "NO-CARRIER"; then
        error "No connection available"	
    fi

	ip link set $INTERFACE up
     
    if checkyesno ${AUTH8021X:-no}; then 
        . ${SUBR_DIR}/8021x
        [[ -z "$WPA_CONF" ]] && WPA_CONF="/etc/wpa_supplicant.conf"
        [[ -z "$WPA_OPTS" ]] && WPA_OPTS="-Dwired"

        start_wpa "$INTERFACE" "$WPA_CONF" "$WPA_OPTS"
        if ! wpa_check "$INTERFACE"; then
            ip link set $INTERFACE down
            return 1
        fi 
    fi

    case $IP in
    dhcp)
        # Clear remaining pid files. 
        rm -f /var/run/dhcpcd-${INTERFACE}.{pid,cache} >/dev/null 2>&1

        # If using own dns, tell dhcpcd to NOT replace resolv.conf
        [[ -n "$DNS" ]] && DHCP_OPTIONS="-C resolv.conf $DHCP_OPTIONS"
       
        if ! dhcpcd -qL -t ${DHCP_TIMEOUT:-10} $DHCP_OPTIONS $INTERFACE; then
            error "DHCP IP lease attempt failed"
        fi
        ;;
    static)
        if [[ -n "$ADDR" ]]; then
            if ! ip addr add ${ADDR}/24 brd + dev $INTERFACE; then
                error "Could not configure interface"
            fi
        fi
        if [[ -n "$GATEWAY" ]]; then
            if ! ip route add default via $GATEWAY; then
                error "Adding gateway failed"
            fi
        fi
        ;;
      *)
        error "Profile error: IP must be either 'dhcp' or 'static'"
        ;;
    esac

    if [[ -n "$IPCFG" ]]; then
        for line in "${IPCFG[@]}"; do
            
            if ! ip $line; then
                error "Could not configure interface"
            fi
        done
    fi

    # Set hostname
    if [[ -n "$HOSTNAME" ]]; then
        if ! hostname $HOSTNAME; then
            error "Cannot set hostname"
        fi
    fi

    # Generate a new resolv.conf
    if [[ -n "$DNS" ]]; then
        : >/etc/resolv.conf 
        [[ -n "$DOMAIN" ]] && echo "domain $DOMAIN"   >>/etc/resolv.conf
        [[ -n "$SEARCH" ]] && echo "search $SEARCH"   >>/etc/resolv.conf

        if [[ -n "$DNS" ]]; then
            for dns in ${DNS[@]}; do
                echo "nameserver $dns" >>/etc/resolv.conf
            done
        fi
    fi
    return 0
}

ethernet_down() {
    load_profile $1

    if [[ "$IP" == "dhcp" ]]; then
        if [[ -f /var/run/dhcpcd-${INTERFACE}.pid ]]; then
            dhcpcd -qx $INTERFACE
        fi
    fi

    ip addr flush $INTERFACE
    quirk "nodown" || ip link set $INTERFACE down

}

ethernet_$1 $2
exit $?
# vim: set ts=4 et sw=4: