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                 append resolved_ifnames "$1"
  23         }
  24 }
  25
  26 resolve_network() {
  27         local ifn
  28         fixup_interface "$1"
  29         config_get ifn "$1" ifname
  30         [ -z "$ifn" ] && return 1
  31         resolve_ifname "$ifn"
  32 }
  33
  34 start_relay() {
  35         local cfg="$1"
  36         local proto disabled
  37
  38         config_get proto "$cfg" proto
  39         [ "$proto" = "relay" ] || return 0
  40
  41         config_get_bool disabled "$cfg" disabled 0
  42         [ "$disabled" -gt 0 ] && return 0
  43
  44         local resolved_ifnames
  45         local net networks
  46         config_get networks "$cfg" network
  47         for net in $networks; do
  48                 resolve_network "$net" || {
  49                         return 1
  50                 }
  51         done
  52
  53         local ifn ifnames
  54         config_get ifnames "$cfg" ifname
  55         for ifn in $ifnames; do
  56                 resolve_ifname "$ifn" || {
  57                         return 1
  58                 }
  59         done
  60
  61         procd_open_instance
  62         procd_set_param command "$PROG"
  63
  64         for ifn in $resolved_ifnames; do
  65                 procd_append_param command -I "$ifn"
  66                 procd_append_param netdev "$ifn"
  67         done
  68         local ipaddr
  69         config_get ipaddr "$cfg" ipaddr
  70         [ -n "$ipaddr" ] && procd_append_param command -L "$ipaddr"
  71
  72         local gateway
  73         config_get gateway "$cfg" gateway
  74         [ -n "$gateway" ] && procd_append_param command -G "$gateway"
  75
  76         local expiry # = 30
  77         config_get expiry "$cfg" expiry
  78         [ -n "$expiry" ] && procd_append_param command -t "$expiry"
  79
  80         local retry # = 5
  81         config_get retry "$cfg" retry
  82         [ -n "$retry" ] && procd_append_param command -p "$retry"
  83
  84         local table # = 16800
  85         config_get table "$cfg" table
  86         [ -n "$table" ] && procd_append_param command -T "$table"
  87
  88         local fwd_bcast # = 1
  89         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  90         [ $fwd_bcast -eq 1 ] && procd_append_param command "-B"
  91
  92         local fwd_dhcp # = 1
  93         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
  94         [ $fwd_dhcp -eq 1 ] && procd_append_param command "-D"
  95
  96         procd_close_instance
  97 }
  98
  99 service_triggers()
 100 {
 101         procd_add_reload_trigger "network"
 102         procd_add_raw_trigger "interface.*" 2000 /etc/init.d/relayd reload
 103 }
 104
 105 start_service() {
 106         include /lib/network
 107         config_load network
 108         config_foreach start_relay interface
 109 }