contrib/package/ffluci-splash/src/luci_splash.init

   1 #!/bin/sh /etc/rc.common
   2 START=70
   3
   4 iface_add() {
   5         local cfg="$1"
   6
   7         config_get net "$cfg" network
   8         [ -n "$net" ] || return 0
   9
  10         config_get iface "$net" ifname
  11         [ -n "$iface" ] || return 0
  12         iface="${iface%%:*}"
  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 $netmask)"
  21
  22         iptables -t nat -A luci_splash -i "$iface" -s "$IP/$PREFIX" -j luci_splash_portal
  23         iptables -t nat -A luci_splash_portal -i "$iface" -s "$IP/$PREFIX" -d "$ipaddr" -p tcp --dport 80 -j RETURN
  24 }
  25
  26 blacklist_add() {
  27         local cfg="$1"
  28
  29         config_get mac "$cfg" mac
  30         [ -n "$mac" ] && iptables -t nat -A luci_splash_portal -m mac --mac-source "$mac" -j DROP
  31 }
  32
  33 whitelist_add() {
  34         local cfg="$1"
  35
  36         config_get mac "$cfg" mac
  37         [ -n "$mac" ] && iptables -t nat -A luci_splash_portal -m mac --mac-source "$mac" -j RETURN
  38 }
  39
  40 start() {
  41         ### Read chains from config
  42         include /lib/network
  43         scan_interfaces
  44         config_load luci_splash
  45
  46         ### Create subchains
  47         iptables -t nat -N luci_splash
  48         iptables -t nat -N luci_splash_portal
  49         iptables -t nat -N luci_splash_leases
  50
  51         ### Build the main and portal rule
  52         config_foreach blacklist_add blacklist
  53         config_foreach whitelist_add whitelist
  54         config_foreach iface_add iface
  55
  56         ### Build the portal rule
  57         iptables -t nat -A luci_splash_portal -p udp --dport 53 -j RETURN
  58         iptables -t nat -A luci_splash_portal -j luci_splash_leases
  59
  60         ### Build the leases rule
  61         iptables -t nat -A luci_splash_leases -p tcp --dport 80 -j REDIRECT --to-ports 8082
  62         iptables -t nat -A luci_splash_leases -j DROP
  63
  64         ### Start the splash httpd
  65         httpd -c /etc/luci_splash_httpd.conf -p 8082 -h /usr/lib/luci-splash/htdocs
  66
  67         ### Sync leases
  68         /usr/lib/luci-splash/sync.lua
  69
  70         ### Hook in the chain
  71         iptables -t nat -A prerouting_rule -j luci_splash
  72 }
  73
  74 stop() {
  75         ### Hook out the chain
  76         iptables -t nat -D prerouting_rule -j luci_splash
  77
  78         ### Clear subchains
  79         iptables -t nat -F luci_splash_leases
  80         iptables -t nat -F luci_splash_portal
  81         iptables -t nat -F luci_splash
  82
  83         ### Delete subchains
  84         iptables -t nat -X luci_splash_leases
  85         iptables -t nat -X luci_splash_portal
  86         iptables -t nat -X luci_splash
  87 }
  88