85 lines
2.1 KiB
Bash
85 lines
2.1 KiB
Bash
#!/bin/sh /etc/rc.common
|
|
START=70
|
|
|
|
iface_add() {
|
|
local cfg="$1"
|
|
|
|
config_get net "$cfg" network
|
|
[ -n "$net" ] || return 0
|
|
|
|
config_get iface "$net" ifname
|
|
[ -n "$iface" ] || return 0
|
|
iface="${iface%%:*}"
|
|
|
|
config_get ipaddr "$net" ipaddr
|
|
[ -n "$ipaddr" ] || return 0
|
|
|
|
config_get netmask "$net" netmask
|
|
[ -n "$netmask" ] || return 0
|
|
|
|
eval "$(ipcalc.sh $ipaddr $netmask)"
|
|
|
|
iptables -t nat -A luci_splash -i "$iface" -s "$NETWORK/$PREFIX" -j luci_splash_portal
|
|
iptables -t nat -A luci_splash_portal -i "$iface" -s "$NETWORK/$PREFIX" -d "$ipaddr" -p tcp -m multiport --dports 22,80,443 -j RETURN
|
|
}
|
|
|
|
blacklist_add() {
|
|
local cfg="$1"
|
|
|
|
config_get mac "$cfg" mac
|
|
[ -n "$mac" ] && iptables -t nat -A luci_splash_portal -m mac --mac-source "$mac" -j DROP
|
|
}
|
|
|
|
whitelist_add() {
|
|
local cfg="$1"
|
|
|
|
config_get mac "$cfg" mac
|
|
[ -n "$mac" ] && iptables -t nat -A luci_splash_portal -m mac --mac-source "$mac" -j RETURN
|
|
}
|
|
|
|
start() {
|
|
### Read chains from config
|
|
include /lib/network
|
|
scan_interfaces
|
|
config_load luci_splash
|
|
|
|
### Create subchains
|
|
iptables -t nat -N luci_splash
|
|
iptables -t nat -N luci_splash_portal
|
|
iptables -t nat -N luci_splash_leases
|
|
|
|
### Build the main and portal rule
|
|
config_foreach blacklist_add blacklist
|
|
config_foreach whitelist_add whitelist
|
|
config_foreach iface_add iface
|
|
|
|
### Build the portal rule
|
|
iptables -t nat -A luci_splash_portal -p udp --dport 53 -j RETURN
|
|
iptables -t nat -A luci_splash_portal -j luci_splash_leases
|
|
|
|
### Build the leases rule
|
|
iptables -t nat -A luci_splash_leases -p tcp --dport 80 -j REDIRECT --to-ports 8082
|
|
iptables -t nat -A luci_splash_leases -j DROP
|
|
|
|
### Start the splash httpd
|
|
httpd -c /etc/luci_splash_httpd.conf -p 8082 -h /usr/lib/luci-splash/htdocs
|
|
|
|
### Hook in the chain
|
|
iptables -t nat -A prerouting_rule -j luci_splash
|
|
}
|
|
|
|
stop() {
|
|
### Hook out the chain
|
|
iptables -t nat -D prerouting_rule -j luci_splash
|
|
|
|
### Clear subchains
|
|
iptables -t nat -F luci_splash_leases
|
|
iptables -t nat -F luci_splash_portal
|
|
iptables -t nat -F luci_splash
|
|
|
|
### Delete subchains
|
|
iptables -t nat -X luci_splash_leases
|
|
iptables -t nat -X luci_splash_portal
|
|
iptables -t nat -X luci_splash
|
|
}
|
|
|