package/network/ipv6/6relayd/files/6relayd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (c) 2011-2012 OpenWrt.org
   3 START=80
   4
   5 resolve_ifname() {
   6         grep -qs "^ *$1:" /proc/net/dev && {
   7                 append ifaces "$1"
   8         }
   9 }
  10
  11 resolve_network() {
  12         local ifn
  13         fixup_interface "$1"
  14         config_get ifn "$1" ifname
  15         [ -z "$ifn" ] && return 1
  16         resolve_ifname "$ifn"
  17 }
  18
  19 start_6relayd() {
  20         local cfg="$1"
  21
  22         local args="-S -l"
  23         local ifaces=""
  24
  25         config_get proto "$cfg" proto
  26         [[ "$proto" == 6relay ]] || return 0
  27
  28         SERVICE_DAEMONIZE=1
  29         SERVICE_WRITE_PID=1
  30         SERVICE_PID_FILE="/var/run/6relayd-$cfg.pid"
  31         [ -f "$SERVICE_PID_FILE" ] && {
  32                 if grep -q 6relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  33                         return 0
  34                 else
  35                         rm -f "$SERVICE_PID_FILE"
  36                 fi
  37         }
  38
  39         local net networks
  40         config_get networks "$cfg" network
  41         for net in $networks; do
  42                 resolve_network "$net" || {
  43                         return 1
  44                 }
  45         done
  46
  47         local ifn ifnames
  48         config_get ifnames "$cfg" ifname
  49         for ifn in $ifnames; do
  50                 resolve_ifname "$ifn"
  51         done
  52
  53         local forward_rd # = 1
  54         config_get_bool forward_rd "$cfg" forward_rd 1
  55         [ $forward_rd -eq 1 ] && append args "-R"
  56
  57         local forward_dhcpv6 # = 1
  58         local forward_dhcpv6_mode # = relay
  59         config_get_bool forward_dhcpv6 "$cfg" forward_dhcpv6 1
  60         config_get forward_dhcpv6_mode "$cfg" forward_dhcpv6_mode
  61         [ $forward_dhcpv6 -eq 1 ] && append args "-D$forward_dhcpv6_mode"
  62
  63         local forward_ndp # = 1
  64         config_get_bool forward_ndp "$cfg" forward_ndp 1
  65         [ $forward_ndp -eq 1 ] && append args "-N"
  66
  67         local configure_routes # = 1
  68         config_get_bool configure_routes "$cfg" configure_routes 1
  69         [ $configure_routes -eq 1 ] && append args "-r"
  70
  71         local always_rewrite_dns # = 0
  72         config_get_bool always_rewrite_dns "$cfg" always_rewrite_dns 0
  73         [ $always_rewrite_dns -eq 1 ] && append args "-n"
  74
  75         service_start /usr/sbin/6relayd $args $ifaces
  76 }
  77
  78 stop() {
  79         for pid in /var/run/6relayd-*.pid; do
  80                 SERVICE_PID_FILE="$pid"
  81                 service_stop /usr/sbin/6relayd
  82                 rm -f "$SERVICE_PID_FILE"
  83         done
  84 }
  85
  86 start() {
  87         include /lib/network
  88         config_load network
  89         config_foreach start_6relayd interface
  90 }