applications/luci-splash/root/etc/init.d/luci_splash

   1 #!/bin/sh /etc/rc.common
   2 START=70
   3 EXTRA_COMMANDS=clear_leases
   4
   5 iface_add() {
   6         local cfg="$1"
   7
   8         config_get zone "$cfg" zone
   9         [ -n "$zone" ] || return 0
  10
  11         config_get net "$cfg" network
  12         [ -n "$net" ] || return 0
  13
  14         config_get ipaddr "$net" ipaddr
  15         [ -n "$ipaddr" ] || return 0
  16
  17         config_get netmask "$net" netmask
  18         [ -n "$netmask" ] || return 0
  19
  20         eval "$(ipcalc.sh $ipaddr $netmask)"
  21
  22         iptables -t nat -A prerouting_${zone} -j luci_splash_prerouting
  23         iptables -t nat -A luci_splash_prerouting -s "$NETWORK/$PREFIX" -p ! tcp -j luci_splash_portal
  24         iptables -t nat -A luci_splash_prerouting -s "$NETWORK/$PREFIX" -d ! "$ipaddr" -j luci_splash_portal
  25         iptables -t nat -A luci_splash_prerouting -s "$NETWORK/$PREFIX" -d "$ipaddr" -p tcp -m multiport ! --dport 22,80,443 -j luci_splash_portal
  26 }
  27
  28 iface_del() {
  29         config_get zone "$1" zone
  30         [ -n "$zone" ] || return 0
  31         while iptables -t nat -D prerouting_${zone} -j luci_splash_prerouting 2>&-; do :; done
  32 }
  33
  34 blacklist_add() {
  35         local cfg="$1"
  36
  37         config_get mac "$cfg" mac
  38         [ -n "$mac" ] && iptables -t nat -I luci_splash_leases -m mac --mac-source "$mac" -j DROP
  39 }
  40
  41 whitelist_add() {
  42         local cfg="$1"
  43
  44         config_get mac "$cfg" mac
  45         [ -n "$mac" ] && iptables -t nat -I luci_splash_leases -m mac --mac-source "$mac" -j RETURN
  46 }
  47
  48 boot() {
  49         ### We are started by the firewall include
  50         exit 0
  51 }
  52
  53 start() {
  54         ### Read chains from config
  55         include /lib/network
  56         scan_interfaces
  57         config_load luci_splash
  58
  59         ### Create subchains
  60         iptables -t nat -N luci_splash_portal
  61         iptables -t nat -N luci_splash_leases
  62         iptables -t nat -N luci_splash_prerouting
  63
  64         ### Build the main and portal rule
  65         config_foreach blacklist_add blacklist
  66         config_foreach whitelist_add whitelist
  67         config_foreach whitelist_add lease
  68         config_foreach iface_add iface
  69
  70         ### Build the portal rule
  71         iptables -t nat -A luci_splash_portal -p udp --dport 33434:33523 -j RETURN
  72         iptables -t nat -A luci_splash_portal -p icmp -j RETURN
  73         iptables -t nat -A luci_splash_portal -p udp --dport 53 -j RETURN
  74         iptables -t nat -A luci_splash_portal -j luci_splash_leases
  75
  76         ### Build the leases rule
  77         iptables -t nat -A luci_splash_leases -p tcp --dport 80 -j REDIRECT --to-ports 8082
  78         iptables -t nat -A luci_splash_leases -j DROP
  79
  80         ### Add crontab entry
  81         test -f /etc/crontabs/root || touch /etc/crontabs/root
  82         grep -q luci-splash /etc/crontabs/root || {
  83                 echo '*/5 * * * *       /usr/sbin/luci-splash sync' >> /etc/crontabs/root
  84         }
  85
  86         ### Start the splash httpd
  87         start-stop-daemon -S -m -p /var/run/luci-splashd.pid -b -q -x /usr/bin/luci-splashd
  88 }
  89
  90 stop() {
  91         ### Clear interface rules
  92         config_load luci_splash
  93         config_foreach iface_del iface
  94
  95         ### Clear subchains
  96         iptables -t nat -F luci_splash_leases
  97         iptables -t nat -F luci_splash_portal
  98         iptables -t nat -F luci_splash_prerouting
  99
 100         ### Delete subchains
 101         iptables -t nat -X luci_splash_leases
 102         iptables -t nat -X luci_splash_portal
 103         iptables -t nat -X luci_splash_prerouting
 104
 105         ### Stop the splash httpd
 106         start-stop-daemon -K -p /var/run/luci-splashd.pid -s KILL -q
 107
 108         sed -ie '/\/usr\/sbin\/luci-splash sync/d' /var/spool/cron/crontabs/root
 109 }
 110
 111
 112 clear_leases() {
 113         stop
 114         while uci -P /var/state del luci_splash.@lease[0] 2>&-;do :; done
 115         start
 116 }
 117