#!/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:  $Id$
#----------------------------------------------------------------------------


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

    ip_up_events='yes'
    
    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
        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 $i up
        done

        # found no other way to do it - i have to switch off the spoofing filter
        # for a while

        filter=`cat /proc/sys/net/ipv4/conf/all/rp_filter`
        echo 0 > /proc/sys/net/ipv4/conf/all/rp_filter

        dhclient -sf /etc/dhclient-script $interfaces

        # write it back
        echo $filter > /proc/sys/net/ipv4/conf/all/rp_filter
    fi

    end_script
;;
esac