| 1 | add_route() { |
| 2 | local config="$1" |
| 3 | |
| 4 | # is this route intended for the |
| 5 | # $INTERFACE of this hotplug event |
| 6 | config_get interface "$config" interface |
| 7 | [ "$interface" != "$INTERFACE" ] && return 0 |
| 8 | |
| 9 | # get the real interface name from network config |
| 10 | config_get dev "$interface" ifname |
| 11 | |
| 12 | config_get target "$config" target |
| 13 | config_get netmask "$config" netmask |
| 14 | config_get gateway "$config" gateway |
| 15 | config_get metric "$config" metric |
| 16 | config_get mtu "$config" mtu |
| 17 | |
| 18 | # make sure there is a gateway and a target |
| 19 | [ -n "$target" ] || { |
| 20 | echo "Missing target in route section $config" |
| 21 | return 1 |
| 22 | } |
| 23 | [ -n "$gateway" ] || { |
| 24 | config_get gateway "$interface" gateway |
| 25 | } |
| 26 | |
| 27 | # handle "0.0.0.0" as "no gateway given" to allow |
| 28 | # defining gateway-less routes while still keeping |
| 29 | # the possibility to have static routes with a |
| 30 | # proper gateway on interfaces with dynamic ips |
| 31 | [ "$gateway" = "0.0.0.0" ] && gateway="" |
| 32 | |
| 33 | dest="${netmask:+-net "$target" netmask "$netmask"}" |
| 34 | dest="${dest:--host "$target"}" |
| 35 | |
| 36 | /sbin/route add $dest ${gateway:+gw "$gateway"} \ |
| 37 | ${dev:+dev "$dev"} ${metric:+ metric "$metric"} \ |
| 38 | ${mtu:+mss "$mtu"} |
| 39 | } |
| 40 | |
| 41 | add_route6() { |
| 42 | local config="$1" |
| 43 | |
| 44 | # is this route intended for the |
| 45 | # $INTERFACE of this hotplug event |
| 46 | config_get interface "$config" interface |
| 47 | [ "$interface" != "$INTERFACE" ] && return 0 |
| 48 | |
| 49 | # get the real interface name from network config |
| 50 | config_get dev "$interface" ifname |
| 51 | |
| 52 | config_get target "$config" target |
| 53 | config_get gateway "$config" gateway |
| 54 | config_get metric "$config" metric |
| 55 | config_get mtu "$config" mtu |
| 56 | |
| 57 | # make sure there is a gateway and a target |
| 58 | [ -n "$target" ] || { |
| 59 | echo "Missing target in route section $config" |
| 60 | return 1 |
| 61 | } |
| 62 | [ -n "$gateway" ] || { |
| 63 | config_get gateway "$interface" gateway |
| 64 | } |
| 65 | |
| 66 | /sbin/route -A inet6 add $target ${gateway:+gw "$gateway"} \ |
| 67 | ${dev:+dev "$dev"} ${metric:+ metric "$metric"} \ |
| 68 | ${mtu:+mss "$mtu"} |
| 69 | } |
| 70 | |
| 71 | case "$ACTION" in |
| 72 | ifup) |
| 73 | include /lib/network |
| 74 | scan_interfaces |
| 75 | |
| 76 | # Setup aliases |
| 77 | config_set "$INTERFACE" aliases "" |
| 78 | config_set "$INTERFACE" alias_count 0 |
| 79 | config_foreach setup_interface_alias alias "$INTERFACE" "$DEVICE" |
| 80 | |
| 81 | # Save alias references in state vars |
| 82 | local aliases |
| 83 | config_get aliases "$INTERFACE" aliases |
| 84 | [ -z "$aliases" ] || uci_set_state network "$INTERFACE" aliases "$aliases" |
| 85 | |
| 86 | # Make ip6addr of parent iface the main address again |
| 87 | local ip6addr |
| 88 | config_get ip6addr "$INTERFACE" ip6addr |
| 89 | [ -z "$ip6addr" ] || { |
| 90 | ifconfig "$DEVICE" del "$ip6addr" |
| 91 | ifconfig "$DEVICE" add "$ip6addr" |
| 92 | } |
| 93 | |
| 94 | # Setup sysctls |
| 95 | local proto accept_ra send_rs |
| 96 | |
| 97 | config_get proto "$INTERFACE" proto |
| 98 | if [ "$proto" = dhcp ]; then |
| 99 | accept_ra=1 |
| 100 | send_rs=0 |
| 101 | else |
| 102 | accept_ra=0 |
| 103 | send_rs=1 |
| 104 | fi |
| 105 | |
| 106 | config_get_bool accept_ra "$INTERFACE" accept_ra $accept_ra |
| 107 | [ $accept_ra -eq 0 ] || { |
| 108 | logger -t ifup "Allowing Router Advertisements on $INTERFACE ($DEVICE)" |
| 109 | accept_ra=2 |
| 110 | } |
| 111 | do_sysctl "net.ipv6.conf.$INTERFACE.accept_ra" $accept_ra |
| 112 | |
| 113 | config_get_bool send_rs "$INTERFACE" send_rs $send_rs |
| 114 | [ $send_rs -eq 0 ] || { |
| 115 | logger -t ifup "Enabling Router Solicitations on $INTERFACE ($DEVICE)" |
| 116 | send_rs=2 |
| 117 | } |
| 118 | do_sysctl "net.ipv6.conf.$INTERFACE.forwarding" $send_rs |
| 119 | |
| 120 | |
| 121 | # Setup routes |
| 122 | config_foreach "add_route" route |
| 123 | config_foreach "add_route6" route6 |
| 124 | ;; |
| 125 | ifdown) |
| 126 | # Bring down named aliases |
| 127 | local device=$(uci_get_state network "$INTERFACE" device) |
| 128 | local ifn |
| 129 | for ifn in $(ifconfig | sed -ne "s/^\(\($DEVICE${device:+\|$device}\|br-$INTERFACE\):[^[:space:]]\+\).*/\1/p"); do |
| 130 | ifconfig "$ifn" down |
| 131 | done |
| 132 | ;; |
| 133 | esac |
| 134 | |
| 135 | |
