package/relayd/files/relay.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 args "-I $1"
   8                 append ifaces "$1"
   9         }
  10 }
  11
  12 resolve_network() {
  13         local ifn
  14         fixup_interface "$1"
  15         config_get ifn "$1" ifname
  16         [ -z "$ifn" ] && return 1
  17         resolve_ifname "$ifn"
  18         return 0
  19 }
  20
  21 start_relay() {
  22         local cfg="$1"
  23
  24         local args=""
  25         local ifaces=""
  26
  27         config_get proto "$cfg" proto
  28         [[ "$proto" == relay ]] || return 0
  29
  30         SERVICE_DAEMONIZE=1
  31         SERVICE_WRITE_PID=1
  32         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  33         [ -f "$SERVICE_PID_FILE" ] && {
  34                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  35                         return 0
  36                 else
  37                         rm -f "$SERVICE_PID_FILE"
  38                 fi
  39         }
  40
  41         local net networks
  42         config_get networks "$cfg" network
  43         for net in $networks; do
  44                 resolve_network "$net" || {
  45                         return 1
  46                 }
  47         done
  48
  49         local ifn ifnames
  50         config_get ifnames "$cfg" ifname
  51         for ifn in $ifnames; do
  52                 resolve_ifname "$ifn"
  53         done
  54
  55         local ipaddr
  56         config_get ipaddr "$cfg" ipaddr
  57         [ -n "$ipaddr" ] && append args "-L $ipaddr"
  58
  59         local gateway
  60         config_get gateway "$cfg" gateway
  61         [ -n "$gateway" ] && append args "-G $gateway"
  62
  63         local expiry # = 30
  64         config_get expiry "$cfg" expiry
  65         [ -n "$expiry" ] && append args "-t $expiry"
  66
  67         local retry # = 5
  68         config_get retry "$cfg" retry
  69         [ -n "$retry" ] && append args "-p $retry"
  70
  71         local table # = 16800
  72         config_get table "$cfg" table
  73         [ -n "$table" ] && append args "-T $table"
  74
  75         local fwd_bcast # = 1
  76         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  77         [ $fwd_bcast -eq 1 ] && append args "-B"
  78
  79         local fwd_dhcp # = 1
  80         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
  81         [ $fwd_dhcp -eq 1 ] && append args "-D"
  82
  83         service_start /usr/sbin/relayd $args
  84 }
  85
  86 stop() {
  87         for pid in /var/run/relay-*.pid; do
  88                 SERVICE_PID_FILE="$pid"
  89                 service_stop /usr/sbin/relayd
  90                 rm -f "$SERVICE_PID_FILE"
  91         done
  92 }
  93
  94 start() {
  95         include /lib/network
  96         config_load network
  97         config_foreach start_relay interface
  98 }