1 #!/bin/sh /etc/rc.common
9 ### Read interface names
10 config_get wanif wan ifname
11 config_get lanif lan ifname
12 config_get ffif ff ifname
13 config_get ffdif ffdhcp ifname
15 config_get lanip lan ipaddr
16 config_get lanmask lan netmask
18 config_get ffip ff ipaddr
19 config_get ffmask ff netmask
21 config_get ffdip ffdhcp ipaddr
22 config_get ffdmask ffdhcp netmask
24 [ -n "$ffif" ] || return 0
28 iptables -N luci_freifunk_forwarding
29 iptables -t nat -N luci_freifunk_postrouting
35 config_get_bool internal routing internal
36 [ -n "$wanif" ] && config_get_bool internet routing internet
39 ### Freifunk to Freifunk
40 [ "$internal" -gt 0 ] && {
41 iptables -A luci_freifunk_forwarding -i "$ffif" -o "$ffif" -j ACCEPT
46 eval "$(ipcalc.sh $lanip $lanmask)"
48 iptables -A luci_freifunk_forwarding -i "$lanif" -o "$ffif" -j ACCEPT
49 iptables -t nat -A luci_freifunk_postrouting -s "$NETWORK/$PREFIX" -o "$ffif" -j MASQUERADE
53 [ "$internet" -gt 0 ] && {
54 eval "$(ipcalc.sh $ffip $ffmask)"
56 iptables -A luci_freifunk_forwarding -i "$ffif" -o "$wanif" -j ACCEPT
57 iptables -t nat -A luci_freifunk_postrouting -s "$NETWORK/$PREFIX" -o "$wanif" -j MASQUERADE
60 ### Freifunk DHCP to Wan
61 [ "$internet" -gt 0 -a -n "$ffdif" ] && {
62 eval "$(ipcalc.sh $ffdip $ffdmask)"
64 iptables -t nat -A luci_freifunk_postrouting -s "$NETWORK/$PREFIX" -o "$wanif" -j MASQUERADE
67 ### Hook in the chains
68 iptables -A forwarding_rule -j luci_freifunk_forwarding
69 iptables -t nat -A postrouting_rule -j luci_freifunk_postrouting
73 ### Hook out the chains
74 iptables -D forwarding_rule -j luci_freifunk_forwarding
75 iptables -t nat -D postrouting_rule -j luci_freifunk_postrouting
78 iptables -F luci_freifunk_forwarding
79 iptables -t nat -F luci_freifunk_postrouting
82 iptables -X luci_freifunk_forwarding
83 iptables -t nat -X luci_freifunk_postrouting