66 lines
1.5 KiB
Bash
66 lines
1.5 KiB
Bash
#!/bin/sh
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clear_restricted_gw()
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{
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local state="$1"
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local iface
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local ifname
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local subnet
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config_get iface "$state" iface
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if [ "$iface" = "$INTERFACE" ]; then
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config_get ifname "$state" ifname
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config_get subnet "$state" subnet
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logger -t firewall.freifunk "removing local restriction to the network connected to $ifname ($iface)"
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iptables -D forwarding_freifunk_rule -o $ifname -d $subnet -j REJECT --reject-with icmp-host-prohibited
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uci_revert_state firewall "$state"
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fi
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}
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get_enabled()
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{
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local name
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config_get name "$1" name
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if [ "$name" = "$ZONE" ]; then
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config_get_bool local_restrict "$1" local_restrict
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fi
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}
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if [ "$ACTION" = add ]; then
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local enabled
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local subnet
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. /lib/functions/network.sh
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network_find_wan wan
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[ "$INTERFACE" = "$wan" ] || return 0
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network_get_subnet subnet $INTERFACE
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if [ -n "$subnet" ]; then
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config_load firewall
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local_restrict=0
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config_foreach get_enabled zone
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if [ "$local_restrict" = 1 ]; then
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logger -t firewall.freifunk "restricting local access to the network connected to $INTERFACE ($DEVICE)"
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iptables -I forwarding_freifunk_rule -o $DEVICE -d $subnet -j REJECT --reject-with icmp-host-prohibited
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local state="restricted_gw_${INTERFACE}"
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uci_set_state firewall "$state" "" restricted_gw_state
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uci_set_state firewall "$state" iface "$INTERFACE"
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uci_set_state firewall "$state" ifname "$DEVICE"
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uci_set_state firewall "$state" subnet "$subnet"
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fi
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fi
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elif [ "$ACTION" = remove ]; then
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config_load firewall
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config_foreach clear_restricted_gw restricted_gw_state
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fi
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