package/network/services/relayd/files/relay.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (c) 2011-2012 OpenWrt.org
   3
   4 START=80
   5
   6 USE_PROCD=1
   7 PROG=/usr/sbin/relayd
   8
   9 validate_proto_relayd()
  10 {
  11         uci_validate_section network "interface" "${1}" \
  12                 'network:list(string)' \
  13                 'expiry:uinteger:30' \
  14                 'retry:uinteger:5' \
  15                 'table:range(0, 65535):16800' \
  16                 'forward_bcast:bool:1' \
  17                 'forward_dhcp:bool:1'
  18 }
  19
  20 resolve_ifname() {
  21         grep -qs "^ *$1:" /proc/net/dev && {
  22                 procd_append_param command -I "$1"
  23                 procd_append_param netdev "$1"
  24                 append ifaces "$1"
  25         }
  26 }
  27
  28 resolve_network() {
  29         local ifn
  30         fixup_interface "$1"
  31         config_get ifn "$1" ifname
  32         [ -z "$ifn" ] && return 1
  33         resolve_ifname "$ifn"
  34 }
  35
  36 start_relay() {
  37         local cfg="$1"
  38
  39         local args=""
  40         local ifaces=""
  41
  42         config_get proto "$cfg" proto
  43         [ "$proto" = "relay" ] || return 0
  44
  45         config_get_bool disabled "$cfg" disabled 0
  46         [ "$disabled" -gt 0 ] && return 0
  47
  48         SERVICE_DAEMONIZE=1
  49         SERVICE_WRITE_PID=1
  50         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  51         [ -f "$SERVICE_PID_FILE" ] && {
  52                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  53                         return 0
  54                 else
  55                         rm -f "$SERVICE_PID_FILE"
  56                 fi
  57         }
  58
  59         procd_open_instance
  60         procd_set_param command "$PROG"
  61
  62         local net networks
  63         config_get networks "$cfg" network
  64         for net in $networks; do
  65                 resolve_network "$net" || {
  66                         return 1
  67                 }
  68         done
  69
  70         local ifn ifnames
  71         config_get ifnames "$cfg" ifname
  72         for ifn in $ifnames; do
  73                 resolve_ifname "$ifn"
  74         done
  75
  76         local ipaddr
  77         config_get ipaddr "$cfg" ipaddr
  78         [ -n "$ipaddr" ] && procd_append_param command -L "$ipaddr"
  79
  80         local gateway
  81         config_get gateway "$cfg" gateway
  82         [ -n "$gateway" ] && procd_append_param command -G "$gateway"
  83
  84         local expiry # = 30
  85         config_get expiry "$cfg" expiry
  86         [ -n "$expiry" ] && procd_append_param command -t "$expiry"
  87
  88         local retry # = 5
  89         config_get retry "$cfg" retry
  90         [ -n "$retry" ] && procd_append_param command -p "$retry"
  91
  92         local table # = 16800
  93         config_get table "$cfg" table
  94         [ -n "$table" ] && procd_append_param command -T "$table"
  95
  96         local fwd_bcast # = 1
  97         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  98         [ $fwd_bcast -eq 1 ] && procd_append_param command "-B"
  99
 100         local fwd_dhcp # = 1
 101         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
 102         [ $fwd_dhcp -eq 1 ] && procd_append_param command "-D"
 103
 104         procd_close_instance
 105 }
 106
 107 service_triggers()
 108 {
 109         procd_add_reload_trigger "network"
 110         procd_add_raw_trigger "interface.*" 2000 /etc/init.d/relayd reload
 111 }
 112
 113 start_service() {
 114         include /lib/network
 115         config_load network
 116         config_foreach start_relay interface
 117 }