#!/bin/sh
#----------------------------------------------------------------------------
# /etc/rc.d/rc310.dhclient - startup of DHCP client dhclient
# was file /etc/rc.d/rc.dhclient
#
# Creation:     21.10.2001 fm
# Last Update:  $Id$
#----------------------------------------------------------------------------

delay_max=0
wait_any=no

case x$DHCP_CLIENT_TYPE in
xdhclient)
    begin_script DHCP_CLIENT "starting dhcp client dhclient ..."

    ln -s /etc/dhcpcd.sh /etc/dhclient-exit-hooks
    mkdir -p /var/db

    [ "$DHCP_CLIENT_DEBUG" = yes ] &&  > /var/run/dhcp-debug

    > /etc/dhclient.conf
    [ 0$DHCP_CLIENT_N -eq 0 ] || for i in `seq 1 $DHCP_CLIENT_N`; do
        eval interface=\$DHCP_CLIENT_${i}_IF
        eval route=\$DHCP_CLIENT_${i}_ROUTE
        eval usepeerdns=\$DHCP_CLIENT_${i}_USEPEERDNS
        eval hostname=\$DHCP_CLIENT_${i}_HOSTNAME
        eval delay=\$DHCP_CLIENT_${i}_STARTDELAY
        eval wait=\$DHCP_CLIENT_${i}_WAIT
        if [ 0$delay -gt $delay_max ]
        then
             delay_max=$delay
        fi
        if [ "$wait" = yes ]
        then
            wait_any=yes
        fi
        no_def_gw=
        : ${route:=none}

        eval interface=\$$interface
        if [ ! "$interface" ]; then
            log_error "invalid interface reference $i"
            continue
        fi
        interfaces="$interfaces $interface"

        [ "$hostname" ] && cat <<EOF >> /etc/dhclient.conf
interface "$interface" {
    send host-name "$hostname";
}
EOF

        > /var/run/dhcp-client.$interface.$route
        case $route in
            imond | default)
                ip_up_events='yes'
                > /var/run/dhcp-client.$interface.ip-updown
                [ "$usepeerdns" = yes ] && echo yes > /var/run/$interface.usepeerdns
                ;;
        esac
        [ "$route" = default ] && > /var/run/$interface.gw
    done

    if [ -n "$interfaces" ]; then
        for i in $interfaces; do
            ip link set dev $i up
        done

        if [ "$delay_max" != "0" ]
        then
            log_info "delayed start of dhclient - delay: $delay_max [sec]"
            sleep $delay_max
        fi
        if [ $wait_any = no ]
        then
            wait_opt=-nw
        else
            wait_opt=
        fi

        dhclient -sf /etc/dhclient-script $wait_opt $interfaces
    fi

    end_script
;;
esac