contrib/package/freifunk-firewall/files/etc/firewall.freifunk

   1 #!/bin/sh
   2 # Freifunk Firewall addons
   3 # $Id$
   4
   5
   6 #
   7 # Apply advanced settings
   8 #
   9 apply_advanced() {
  10         local tcp_ecn
  11         local tcp_window_scaling
  12         local accept_redirects
  13         local accept_source_route
  14
  15         config_get_bool tcp_ecn $1 tcp_ecn 1
  16         config_get_bool tcp_window_scaling $1 tcp_window_scaling 1
  17         config_get_bool accept_redirects $1 accept_redirects 0
  18         config_get_bool accept_source_route $1 accept_source_route 0
  19
  20         logger -t firewall.freifunk "tcp_ecn is $tcp_ecn"
  21         logger -t firewall.freifunk "tcp_window_scaling is $tcp_window_scaling"
  22         logger -t firewall.freifunk "accept_redirects is $accept_redirects"
  23         logger -t firewall.freifunk "accept_source_route is $accept_source_route"
  24
  25         sysctl -w net.ipv4.tcp_ecn=$tcp_ecn >/dev/null
  26         sysctl -w net.ipv4.tcp_window_scaling=$tcp_window_scaling >/dev/null
  27
  28         for f in /proc/sys/net/ipv4/conf/*/accept_redirects; do
  29                 echo $accept_redirects > $f
  30         done
  31
  32         for f in /proc/sys/net/ipv4/conf/*/accept_source_route; do
  33                 echo $accept_source_route > $f
  34         done
  35 }
  36
  37 config_foreach apply_advanced advanced
  38
  39
  40 #
  41 # Apply fixes for masquerading rules
  42 #
  43 apply_nat_fix() {
  44         local up
  45         local ifname
  46         config_get up $1 up
  47         [ -n "$up" ] || return 0
  48         (ACTION="ifup" INTERFACE="$1" . /etc/hotplug.d/iface/22-firewall-nat-fix )
  49 }
  50
  51 uci_set_state firewall core loaded 1
  52 config_foreach fw_addif interface
  53 config_foreach apply_nat_fix interface
  54
  55 [ -x /etc/init.d/luci_splash ] && ( sleep 3; /etc/init.d/luci_splash restart )&
  56
  57 [ -x /etc/init.d/freifunk-p2pblock ] && /etc/init.d/freifunk-p2pblock enabled && \
  58         ( sleep 3; /etc/init.d/freifunk-p2pblock restart )&