diff options
Diffstat (limited to 'package/firewall')
| -rw-r--r-- | package/firewall/files/20-firewall | 14 | ||||
| -rwxr-xr-x | package/firewall/files/uci_firewall.sh | 77 |
2 files changed, 52 insertions, 39 deletions
diff --git a/package/firewall/files/20-firewall b/package/firewall/files/20-firewall index 126fb9bad0..38fbb94418 100644 --- a/package/firewall/files/20-firewall +++ b/package/firewall/files/20-firewall @@ -1,8 +1,8 @@ . /lib/firewall/uci_firewall.sh unset ZONE config_get ifname $INTERFACE ifname -INTERFACE=$ifname -[ "$INTERFACE" == "lo" ] && exit 0 +[ "$ifname" == "lo" ] && exit 0 + load_zones() { local name local network @@ -10,11 +10,7 @@ load_zones() { config_get network $1 network [ -z "$network" ] && network=$name for n in $network; do - local ifname - config_get ifname $n ifname - list_contains ifname $INTERFACE && { - list_contains ZONE $name || ZONE="$ZONE $name" - } + [ "$n" = "$INTERFACE" ] && ZONE="$ZONE $name" done } @@ -26,7 +22,7 @@ config_foreach load_zones zone for z in $ZONE; do local loaded config_get loaded core loaded - [ -n "$loaded" ] && addif $INTERFACE $z + [ -n "$loaded" ] && addif "$INTERFACE" "$ifname" "$z" done } @@ -34,6 +30,6 @@ config_foreach load_zones zone for z in $ZONE; do local up config_get up $z up - [ "$up" == "1" ] && delif $INTERFACE $z + [ "$up" == "1" ] && delif "$INTERFACE" "$ifname" "$z" done } diff --git a/package/firewall/files/uci_firewall.sh b/package/firewall/files/uci_firewall.sh index 579a8a6c3a..fd108993c8 100755 --- a/package/firewall/files/uci_firewall.sh +++ b/package/firewall/files/uci_firewall.sh @@ -55,39 +55,56 @@ create_zone() { } addif() { - local dev - config_get dev core $2 - [ -n "$dev" -a "$dev" != "$1" ] && delif "$dev" "$2" - [ -n "$dev" -a "$dev" == "$1" ] && return - logger "adding $1 to firewall zone $2" - $IPTABLES -A input -i $1 -j zone_$2 - $IPTABLES -I zone_$2_MSSFIX 1 -o $1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu - $IPTABLES -I zone_$2_ACCEPT 1 -o $1 -j ACCEPT - $IPTABLES -I zone_$2_DROP 1 -o $1 -j DROP - $IPTABLES -I zone_$2_REJECT 1 -o $1 -j reject - $IPTABLES -I zone_$2_ACCEPT 1 -i $1 -j ACCEPT - $IPTABLES -I zone_$2_DROP 1 -i $1 -j DROP - $IPTABLES -I zone_$2_REJECT 1 -i $1 -j reject - $IPTABLES -I zone_$2_nat 1 -t nat -o $1 -j MASQUERADE - $IPTABLES -I PREROUTING 1 -t nat -i $1 -j zone_$2_prerouting - $IPTABLES -A forward -i $1 -j zone_$2_forward - uci_set_state firewall core "$2" "$1" + local network="$1" + local ifname="$2" + local zone="$3" + + local n_if n_zone + config_get n_if core "${network}_ifname" + config_get n_zone core "${network}_zone" + [ -n "$n_zone" ] && { + if [ "$n_zone" != "$zone" ]; then + delif "$network" "$n_if" "$n_zone" + else + return + fi + } + + logger "adding $network ($ifname) to firewall zone $zone" + $IPTABLES -A input -i "$ifname" -j zone_${zone} + $IPTABLES -I zone_${zone}_MSSFIX 1 -o "$ifname" -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu + $IPTABLES -I zone_${zone}_ACCEPT 1 -o "$ifname" -j ACCEPT + $IPTABLES -I zone_${zone}_DROP 1 -o "$ifname" -j DROP + $IPTABLES -I zone_${zone}_REJECT 1 -o "$ifname" -j reject + $IPTABLES -I zone_${zone}_ACCEPT 1 -i "$ifname" -j ACCEPT + $IPTABLES -I zone_${zone}_DROP 1 -i "$ifname" -j DROP + $IPTABLES -I zone_${zone}_REJECT 1 -i "$ifname" -j reject + $IPTABLES -I zone_${zone}_nat 1 -t nat -o "$ifname" -j MASQUERADE + $IPTABLES -I PREROUTING 1 -t nat -i "$ifname" -j zone_${zone}_prerouting + $IPTABLES -A forward -i "$ifname" -j zone_${zone}_forward + uci_set_state firewall core "${network}_ifname" "$ifname" + uci_set_state firewall core "${network}_zone" "$zone" } delif() { - logger "removing $1 from firewall zone $2" - $IPTABLES -D input -i $1 -j zone_$2 - $IPTABLES -D zone_$2_MSSFIX -o $1 -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu - $IPTABLES -D zone_$2_ACCEPT -o $1 -j ACCEPT - $IPTABLES -D zone_$2_DROP -o $1 -j DROP - $IPTABLES -D zone_$2_REJECT -o $1 -j reject - $IPTABLES -D zone_$2_ACCEPT -i $1 -j ACCEPT - $IPTABLES -D zone_$2_DROP -i $1 -j DROP - $IPTABLES -D zone_$2_REJECT -i $1 -j reject - $IPTABLES -D zone_$2_nat -t nat -o $1 -j MASQUERADE - $IPTABLES -D PREROUTING -t nat -i $1 -j zone_$2_prerouting - $IPTABLES -D forward -i $1 -j zone_$2_forward - uci_revert_state firewall core "$2" + local network="$1" + local ifname="$2" + local zone="$3" + + logger "removing $network ($ifname) from firewall zone $zone" + $IPTABLES -D input -i "$ifname" -j zone_$zone + $IPTABLES -D zone_${zone}_MSSFIX -o "$ifname" -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu + $IPTABLES -D zone_${zone}_ACCEPT -o "$ifname" -j ACCEPT + $IPTABLES -D zone_${zone}_DROP -o "$ifname" -j DROP + $IPTABLES -D zone_${zone}_REJECT -o "$ifname" -j reject + $IPTABLES -D zone_${zone}_ACCEPT -i "$ifname" -j ACCEPT + $IPTABLES -D zone_${zone}_DROP -i "$ifname" -j DROP + $IPTABLES -D zone_${zone}_REJECT -i "$ifname" -j reject + $IPTABLES -D zone_${zone}_nat -t nat -o "$ifname" -j MASQUERADE + $IPTABLES -D PREROUTING -t nat -i "$ifname" -j zone_${zone}_prerouting + $IPTABLES -D forward -i "$ifname" -j zone_${zone}_forward + uci_revert_state firewall core "${network}_ifname" + uci_revert_state firewall core "${network}_zone" } load_synflood() { |