| 1 | #!/bin/sh
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| 2 | find_name()
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| 3 | {
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| 4 | for ifname in lan wan wifi ${ifnames}; do
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| 5 | IFTYPE="${ifname}"
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| 6 | eval "IFPROTO=\"\${${IFTYPE}_proto}\""
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| 7 | eval "IFACE=\"\${${IFTYPE}_ifname}\""
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| 8 | case "$IFPROTO" in
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| 9 | ""|none);;
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| 10 | static|dhcp)
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| 11 | [ "${IFACE}" = "$INTERFACE" ] && return 0
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| 12 | [ "${IFACE%%[0-9]*}" = "br" ] && {
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| 13 | eval "ifs=\"\${${IFTYPE}_ifnames}\""
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| 14 | for part in $ifs; do
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| 15 | [ "$part" = "$INTERFACE" ] && return 0
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| 16 | done
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| 17 | }
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| 18 | ;;
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| 19 | pppoa)
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| 20 | [ "$INTERFACE" = "atm0" \
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| 21 | -a -x /sbin/ifup.${IFPROTO} ] && return 0
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| 22 | ;;
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| 23 | *)
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| 24 | eval "device=\"\${${IFTYPE}_device}\""
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| 25 | [ "$device" = "$INTERFACE" \
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| 26 | -a -x /sbin/ifup.${IFPROTO} ] && return 0
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| 27 | ;;
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| 28 | esac
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| 29 | done
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| 30 | IFACE=""
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| 31 | IFTYPE=""
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| 32 | IFPROTO=""
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| 33 | return 255
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| 34 | }
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| 35 |
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| 36 | do_ifup() {
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| 37 | if="$3"
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| 38 | eval "if_proto=\"\${${2}_proto}\""
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| 39 |
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| 40 | pidfile=/var/run/${if}.pid
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| 41 | [ -f $pidfile ] && $DEBUG kill $(cat $pidfile)
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| 42 |
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| 43 | case "$1" in
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| 44 | static)
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| 45 | eval "ip=\"\${${2}_ipaddr}\""
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| 46 | eval "ip6=\"\${${2}_ip6addr}\""
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| 47 | eval "netmask=\"\${${2}_netmask}\""
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| 48 | eval "gateway=\"\${${2}_gateway}\""
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| 49 | eval "dns=\"\${${2}_dns}\""
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| 50 | eval "static_route=\"\${${2}_static_route}\""
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| 51 |
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| 52 | $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
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| 53 | [ -n "$ip6" ] && $DEBUG ifconfig $if add $ip6
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| 54 |
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| 55 | [ -n "$static_route" ] && {
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| 56 | for route in $static_route; do
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| 57 | if [ "$(echo $route | cut -d \/ -f2)" != "32" ];
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| 58 | then
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| 59 | route add -net $(echo $route | cut -d \/ -f1) netmask $(echo $route | cut -d \/ -f1) dev $if
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| 60 | else
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| 61 | route add -host $(echo $route | cut -d \/ -f1) dev $if
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| 62 | fi
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| 63 | done
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| 64 | }
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| 65 |
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| 66 | ${gateway:+$DEBUG route add default gw $gateway}
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| 67 |
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| 68 | [ -f /tmp/resolv.conf ] || {
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| 69 | debug "# --- creating /tmp/resolv.conf ---"
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| 70 | for ns in $dns; do
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| 71 | echo "nameserver $ns" >> /tmp/resolv.conf
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| 72 | done
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| 73 | }
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| 74 |
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| 75 | env -i ACTION="ifup" INTERFACE="${2}" PROTO=static /sbin/hotplug "iface" &
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| 76 | ;;
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| 77 | dhcp)
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| 78 | eval "ip=\"\${${2}_ipaddr}\""
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| 79 | eval "netmask=\"\${${2}_netmask}\""
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| 80 | eval "hostname=\"\${${2}_hostname}\""
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| 81 |
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| 82 | $DEBUG ifconfig $if $ip ${netmask:+netmask $netmask} broadcast + up
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| 83 |
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| 84 | args="-i $if ${ip:+-r $ip} -b -p $pidfile"
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| 85 | hostname="${hostname%%.*}"
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| 86 | args="$args${hostname:+ -H $hostname}"
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| 87 | [ "$if_proto" = "pptp" ] && args="$args -n -q" || args="$args -R &"
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| 88 | ${DEBUG:-eval} "udhcpc $args"
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| 89 | # hotplug events are handled by /usr/share/udhcpc/default.script
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| 90 | ;;
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| 91 | *)
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| 92 | if [ -x "/sbin/ifup.$1" ]; then
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| 93 | ( $DEBUG . /sbin/ifup.$1 ${2} $3 )
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| 94 | fi
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| 95 | ;;
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| 96 | esac
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| 97 | }
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| 98 |
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| 99 | do_register()
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| 100 | {
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| 101 | [ -z "$IFTYPE" -o -z "$IFPROTO" ] && {
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| 102 | find_name || {
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| 103 | case "${INTERFACE%%[0-9]*}" in
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| 104 | wds)
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| 105 | for ifname in lan wifi; do
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| 106 | eval "if=\"\${${ifname}_ifname}\""
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| 107 | [ -z "$IFPROTO" ] && [ "$if" = "br0" ] && {
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| 108 | eval "IFPROTO=\"\${${2}_proto}\""
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| 109 | IFTYPE="${tmp}"
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| 110 | }
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| 111 | done
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| 112 | [ -z "$IFPROTO" ] && return 0
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| 113 | ;;
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| 114 | atm)
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| 115 | for tmp in lan wan wifi ${ifnames}; do
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| 116 | eval "if_proto=\"\${${2}_proto}\""
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| 117 | [ "$if_proto" = "pppoa" ] && {
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| 118 | do_ifup "pppoa" "$tmp" "$INTERFACE"
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| 119 | return 0
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| 120 | }
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| 121 | done
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| 122 | ;;
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| 123 | *)
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| 124 | return 0
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| 125 | ;;
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| 126 | esac
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| 127 | }
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| 128 | }
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| 129 |
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| 130 | case "${INTERFACE%%[0-9]*}" in
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| 131 | ppp|atm);;
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| 132 | *)
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| 133 | eval "mac=\"\${${IFTYPE}_hwaddr}\""
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| 134 | ${mac:+$DEBUG ifconfig $INTERFACE down hw ether $mac}
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| 135 | ;;
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| 136 | esac
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| 137 |
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| 138 | eval "if=\"\${${IFTYPE}_ifname}\""
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| 139 | if [ "${if%%[0-9]}" = "br" ]; then
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| 140 | if_valid "$INTERFACE" && {
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| 141 | ifconfig "$if" 2>&- >&- || {
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| 142 | eval "stp=\"\${${IFTYPE}_stp}\""
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| 143 | $DEBUG brctl addbr "$if"
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| 144 | $DEBUG brctl setfd "$if" 0
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| 145 | $DEBUG brctl stp "$if" "${stp:-0}"
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| 146 | }
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| 147 |
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| 148 | if [ "$INTERFACE" != "$if" ]; then
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| 149 | $DEBUG ifconfig "$INTERFACE" 0.0.0.0 up
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| 150 | $DEBUG brctl addif "$if" "$INTERFACE"
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| 151 | $DEBUG ifconfig "$INTERFACE" allmulti
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| 152 | else
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| 153 | do_ifup "$IFPROTO" "$IFTYPE" "$if"
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| 154 | fi
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| 155 | }
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| 156 | else
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| 157 | [ "${INTERFACE%%[0-9]*}" = "ppp" ] || do_ifup "$IFPROTO" "$IFTYPE" "$if"
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| 158 | fi
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| 159 | }
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| 160 |
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| 161 | do_unregister() {
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| 162 | [ -z "$IFTYPE" -o -z "$IFPROTO" ] && {
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| 163 | find_name || return 0
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| 164 | }
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| 165 |
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| 166 | [ "${IFACE%%[0-9]*}" = "br" ] && {
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| 167 | if [ "$INTERFACE" != "$IFACE" ]; then
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| 168 | brctl delif "$IFACE" "$INTERFACE" 2>&- >&-
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| 169 | else
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| 170 | brctl delbr "$IFACE" 2>&- >&-
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| 171 | fi
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| 172 | }
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| 173 |
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| 174 | case "$IFPROTO" in
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| 175 | pppoe|pppoa|pptp)
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| 176 | killall pppd 2>&- >&-
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| 177 | ;;
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| 178 | dhcp)
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| 179 | [ -f /var/run/${INTERFACE}.pid ] && kill "$(cat /var/run/${INTERFACE}.pid)" 2>&- >&-
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| 180 | ;;
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| 181 | esac
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| 182 |
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| 183 | [ "${INTERFACE%%[0-9]*}" = "atm" ] || ifconfig "$INTERFACE" 0.0.0.0 down 2>&-
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| 184 | }
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| 185 |
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| 186 | case "$ACTION" in
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| 187 | add|register) do_register;;
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| 188 | remove|unregister) do_unregister;;
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| 189 | esac
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