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135 lines
3.5 KiB
Plaintext
135 lines
3.5 KiB
Plaintext
add_route() {
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local config="$1"
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# is this route intended for the
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# $INTERFACE of this hotplug event
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config_get interface "$config" interface
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[ "$interface" != "$INTERFACE" ] && return 0
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# get the real interface name from network config
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config_get dev "$interface" ifname
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config_get target "$config" target
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config_get netmask "$config" netmask
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config_get gateway "$config" gateway
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config_get metric "$config" metric
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config_get mtu "$config" mtu
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# make sure there is a gateway and a target
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[ -n "$target" ] || {
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echo "Missing target in route section $config"
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return 1
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}
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[ -n "$gateway" ] || {
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config_get gateway "$interface" gateway
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}
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# handle "0.0.0.0" as "no gateway given" to allow
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# defining gateway-less routes while still keeping
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# the possibility to have static routes with a
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# proper gateway on interfaces with dynamic ips
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[ "$gateway" = "0.0.0.0" ] && gateway=""
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dest="${netmask:+-net "$target" netmask "$netmask"}"
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dest="${dest:--host "$target"}"
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/sbin/route add $dest ${gateway:+gw "$gateway"} \
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${dev:+dev "$dev"} ${metric:+ metric "$metric"} \
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${mtu:+mss "$mtu"}
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}
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add_route6() {
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local config="$1"
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# is this route intended for the
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# $INTERFACE of this hotplug event
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config_get interface "$config" interface
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[ "$interface" != "$INTERFACE" ] && return 0
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# get the real interface name from network config
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config_get dev "$interface" ifname
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config_get target "$config" target
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config_get gateway "$config" gateway
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config_get metric "$config" metric
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config_get mtu "$config" mtu
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# make sure there is a gateway and a target
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[ -n "$target" ] || {
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echo "Missing target in route section $config"
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return 1
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}
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[ -n "$gateway" ] || {
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config_get gateway "$interface" gateway
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}
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/sbin/route -A inet6 add $target ${gateway:+gw "$gateway"} \
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${dev:+dev "$dev"} ${metric:+ metric "$metric"} \
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${mtu:+mss "$mtu"}
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}
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case "$ACTION" in
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ifup)
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include /lib/network
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scan_interfaces
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# Setup aliases
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config_set "$INTERFACE" aliases ""
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config_set "$INTERFACE" alias_count 0
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config_foreach setup_interface_alias alias "$INTERFACE" "$DEVICE"
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# Save alias references in state vars
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local aliases
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config_get aliases "$INTERFACE" aliases
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[ -z "$aliases" ] || uci_set_state network "$INTERFACE" aliases "$aliases"
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# Make ip6addr of parent iface the main address again
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local ip6addr
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config_get ip6addr "$INTERFACE" ip6addr
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[ -z "$ip6addr" ] || {
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ifconfig "$DEVICE" del "$ip6addr"
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ifconfig "$DEVICE" add "$ip6addr"
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}
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# Setup sysctls
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local proto accept_ra send_rs
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config_get proto "$INTERFACE" proto
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if [ "$proto" = dhcp ]; then
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accept_ra=1
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send_rs=0
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else
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accept_ra=0
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send_rs=1
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fi
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config_get_bool accept_ra "$INTERFACE" accept_ra $accept_ra
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[ $accept_ra -eq 0 ] || {
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logger -t ifup "Allowing Router Advertisements on $INTERFACE ($DEVICE)"
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accept_ra=2
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}
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do_sysctl "net.ipv6.conf.$INTERFACE.accept_ra" $accept_ra
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config_get_bool send_rs "$INTERFACE" send_rs $send_rs
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[ $send_rs -eq 0 ] || {
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logger -t ifup "Enabling Router Solicitations on $INTERFACE ($DEVICE)"
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send_rs=2
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}
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do_sysctl "net.ipv6.conf.$INTERFACE.forwarding" $send_rs
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# Setup routes
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config_foreach "add_route" route
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config_foreach "add_route6" route6
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;;
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ifdown)
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# Bring down named aliases
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local device=$(uci_get_state network "$INTERFACE" device)
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local ifn
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for ifn in $(ifconfig | sed -ne "s/^\(\($DEVICE${device:+\|$device}\|br-$INTERFACE\):[^[:space:]]\+\).*/\1/p"); do
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ifconfig "$ifn" down
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done
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;;
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esac
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