package/network/ipv6/ipv6-support/files/dhcpv6.sh

   1 #!/bin/sh
   2 # Copyright (c) 2012 OpenWrt.org
   3 . /lib/ipv6/support.sh
   4 . /lib/netifd/netifd-proto.sh
   5
   6 local device="$1"
   7 local state="$2"
   8 local network=""
   9
  10 resolve_network network "$device"
  11
  12 # Unknown network
  13 [ -z "$network" ] && exit 0
  14
  15 if [ "$state" == "started" ]; then
  16         # Start border
  17         set_forward_border "$network" "$device" enable
  18
  19         # Configure device
  20         conf_set "$device" accept_ra 2
  21         conf_set "$device" forwarding 2
  22
  23         # Trigger RS
  24         conf_set "$device" disable_ipv6 1
  25         conf_set "$device" disable_ipv6 0
  26
  27         exit 0
  28 elif [ "$state" == "stopped" ]; then
  29         # Deconfigure device
  30         conf_set "$device" accept_ra 1
  31         conf_set "$device" forwarding 1
  32
  33         # Disable border
  34         set_forward_border "$network" "$device" disable
  35
  36         exit 0
  37 fi
  38
  39 # Announce prefixes
  40 for prefix in $PREFIXES; do
  41         announce_prefix "$prefix" "$network" "$device"
  42 done
  43
  44 for prefix in $PREFIXES_LOST; do
  45         announce_prefix "$prefix" "$network" "$device" delprefix
  46 done
  47
  48
  49 # Enable relaying if requested and we didn't get a prefix, disable otherwise
  50 local fallback="stop"
  51 [ -z "$PREFIXES" -a "$state" != "unbound" ] && fallback="start"
  52 setup_prefix_fallback "$fallback" "$network" "$device"
  53
  54
  55 # Operations in case of success
  56 [ "$state" == "timeout" -o "$state" == "unbound" ] && exit 0
  57
  58 # Handshake completed, disable forwarding border
  59 set_forward_border "$network" "$device" disable
  60
  61 local peerdns
  62 config_get_bool peerdns "$network" peerdns 1
  63 [ "$peerdns" -eq "1" ] && {
  64         proto_init_update "*" 1
  65         proto_set_keep 1
  66         for server in $RDNSS; do
  67                 proto_add_dns_server "$server"
  68         done
  69         for domain in $DOMAINS; do
  70                 proto_add_dns_search "$domain"
  71         done
  72         proto_send_update "$network"
  73 }
  74