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 blacklist_add() {
  29         local cfg="$1"
  30
  31         config_get mac "$cfg" mac
  32         [ -n "$mac" ] && iptables -t nat -I luci_splash_leases -m mac --mac-source "$mac" -j DROP
  33 }
  34
  35 whitelist_add() {
  36         local cfg="$1"
  37
  38         config_get mac "$cfg" mac
  39         [ -n "$mac" ] && iptables -t nat -I luci_splash_leases -m mac --mac-source "$mac" -j RETURN
  40 }
  41
  42 start() {
  43         ### Read chains from config
  44         include /lib/network
  45         scan_interfaces
  46         config_load luci_splash
  47
  48         ### Create subchains
  49         iptables -t nat -N luci_splash_portal
  50         iptables -t nat -N luci_splash_leases
  51         iptables -t nat -N luci_splash_prerouting
  52
  53         ### Build the main and portal rule
  54         config_foreach blacklist_add blacklist
  55         config_foreach whitelist_add whitelist
  56         config_foreach whitelist_add lease
  57         config_foreach iface_add iface
  58
  59         ### Build the portal rule
  60         iptables -t nat -A luci_splash_portal -p udp --dport 33434:33523 -j RETURN
  61         iptables -t nat -A luci_splash_portal -p icmp -j RETURN
  62         iptables -t nat -A luci_splash_portal -p udp --dport 53 -j RETURN
  63         iptables -t nat -A luci_splash_portal -j luci_splash_leases
  64
  65         ### Build the leases rule
  66         iptables -t nat -A luci_splash_leases -p tcp --dport 80 -j REDIRECT --to-ports 8082
  67         iptables -t nat -A luci_splash_leases -j DROP
  68
  69         ### Add crontab entry
  70         grep luci-splash /var/spool/cron/crontabs/root >/dev/null 2>&1 || {
  71                 echo '*/5 * * * *       /usr/sbin/luci-splash sync' >> /var/spool/cron/crontabs/root
  72         }
  73
  74         ### Start the splash httpd
  75         start-stop-daemon -S -m -p /var/run/luci-splashd.pid -b -q -x /usr/bin/luci-splashd
  76 }
  77
  78 iface_del() {
  79         config_get zone "$1" zone
  80         [ -n "$zone" ] || return 0
  81         while iptables -t nat -D prerouting_${zone} -j luci_splash_prerouting 2>&-; do :; done
  82 }
  83
  84 stop() {
  85         ### Clear interface rules
  86         config_load luci_splash
  87         config_foreach iface_del iface
  88
  89         ### Clear subchains
  90         iptables -t nat -F luci_splash_leases
  91         iptables -t nat -F luci_splash_portal
  92         iptables -t nat -F luci_splash_prerouting
  93
  94         ### Delete subchains
  95         iptables -t nat -X luci_splash_leases
  96         iptables -t nat -X luci_splash_portal
  97         iptables -t nat -X luci_splash_prerouting
  98
  99         ### Stop the splash httpd
 100         start-stop-daemon -K -p /var/run/luci-splashd.pid -s KILL -q
 101
 102         sed -ie '/\/usr\/sbin\/luci-splash sync/d' /var/spool/cron/crontabs/root
 103 }
 104
 105
 106 clear_leases() {
 107         stop
 108         while uci -P /var/state del luci_splash.@lease[0] 2>&-;do :; done
 109         start
 110 }
 111