local fwdchain natchain natopt nataddr natports srcdaddr srcdports
if [ "$redirect_target" == "DNAT" ]; then
[ -n "$redirect_src" -a -n "$redirect_dest_ip$redirect_dest_port" ] || {
- fw_die "DNAT redirect ${redirect_name}: needs src and dest_ip or dest_port"
+ fw_log error "DNAT redirect ${redirect_name}: needs src and dest_ip or dest_port, skipping"
+ return 0
}
- fwdchain="zone_${redirect_src}_forward"
+ fwdchain="zone_${redirect_src}${redirect_dest_ip:+_forward}"
natopt="--to-destination"
natchain="zone_${redirect_src}_prerouting"
nataddr="$redirect_dest_ip"
fw_get_port_range natports "$redirect_dest_port" "-"
- srcdaddr="${redirect_src_dip:+$redirect_src_dip/$redirect_src_dip_prefixlen}"
+ fw_get_negation srcdaddr '-d' "${redirect_src_dip:+$redirect_src_dip/$redirect_src_dip_prefixlen}"
fw_get_port_range srcdports "$redirect_src_dport" ":"
list_contains FW_CONNTRACK_ZONES $redirect_src || \
elif [ "$redirect_target" == "SNAT" ]; then
[ -n "$redirect_dest" -a -n "$redirect_src_dip" ] || {
- fw_die "SNAT redirect ${redirect_name}: needs dest and src_dip"
+ fw_log error "SNAT redirect ${redirect_name}: needs dest and src_dip, skipping"
+ return 0
}
fwdchain="${redirect_src:+zone_${redirect_src}_forward}"
nataddr="$redirect_src_dip"
fw_get_port_range natports "$redirect_src_dport" "-"
- srcdaddr="${redirect_dest_ip:+$redirect_dest_ip/$redirect_dest_ip_prefixlen}"
+ fw_get_negation srcdaddr '-d' "${redirect_dest_ip:+$redirect_dest_ip/$redirect_dest_ip_prefixlen}"
fw_get_port_range srcdports "$redirect_dest_port" ":"
list_contains FW_CONNTRACK_ZONES $redirect_dest || \
append FW_CONNTRACK_ZONES $redirect_dest
else
- fw_die "redirect ${redirect_name}: target must be either DNAT or SNAT"
+ fw_log error "redirect ${redirect_name}: target must be either DNAT or SNAT, skipping"
+ return 0
fi
local mode
fw_get_family_mode mode ${redirect_family:-x} ${redirect_src:-$redirect_dest} I
- local srcaddr="${redirect_src_ip:+$redirect_src_ip/$redirect_src_ip_prefixlen}"
+ local srcaddr
+ fw_get_negation srcaddr '-s' "${redirect_src_ip:+$redirect_src_ip/$redirect_src_ip_prefixlen}"
+
local srcports
fw_get_port_range srcports "$redirect_src_port" ":"
- local destaddr="${redirect_dest_ip:+$redirect_dest_ip/$redirect_dest_ip_prefixlen}"
+ local destaddr
+ fw_get_negation destaddr '-d' "${redirect_dest_ip:+$redirect_dest_ip/$redirect_dest_ip_prefixlen}"
+
local destports
fw_get_port_range destports "${redirect_dest_port:-$redirect_src_dport}" ":"
[ "$redirect_proto" == "tcpudp" ] && redirect_proto="tcp udp"
for redirect_proto in $redirect_proto; do
- fw add $mode n $natchain $redirect_target ^ { $redirect_src_ip $redirect_dest_ip } { \
+ local pos
+ eval 'pos=$((++FW__REDIR_COUNT_'${mode#G}'_'$natchain'))'
+
+ fw add $mode n $natchain $redirect_target $pos { $redirect_src_ip $redirect_dest_ip } { \
+ $srcaddr $srcdaddr \
${redirect_proto:+-p $redirect_proto} \
- ${srcaddr:+-s $srcaddr} \
${srcports:+--sport $srcports} \
- ${srcdaddr:+-d $srcdaddr} \
${srcdports:+--dport $srcdports} \
${redirect_src_mac:+-m mac --mac-source $redirect_src_mac} \
$natopt $nataddr${natports:+:$natports} \
}
- [ -n "$destaddr" ] && \
fw add $mode f ${fwdchain:-forward} ACCEPT ^ { $redirect_src_ip $redirect_dest_ip } { \
+ $srcaddr ${destaddr:--m conntrack --ctstate DNAT} \
${redirect_proto:+-p $redirect_proto} \
- ${srcaddr:+-s $srcaddr} \
${srcports:+--sport $srcports} \
- ${destaddr:+-d $destaddr} \
${destports:+--dport $destports} \
${redirect_src_mac:+-m mac --mac-source $redirect_src_mac} \
}