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