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1efeaa35d1
- support negations for src_ip, dest_ip, src_dip options in rules and redirects - add NOTRACK target to rule sections, allows to define fine grained notrack rules git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23141 3c298f89-4303-0410-b956-a3cf2f4a3e73
73 lines
1.9 KiB
Bash
73 lines
1.9 KiB
Bash
# Copyright (C) 2009-2010 OpenWrt.org
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fw_config_get_rule() {
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[ "${rule_NAME}" != "$1" ] || return
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fw_config_get_section "$1" rule { \
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string _name "$1" \
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string name "" \
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string src "" \
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ipaddr src_ip "" \
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string src_mac "" \
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string src_port "" \
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string dest "" \
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ipaddr dest_ip "" \
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string dest_port "" \
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string icmp_type "" \
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string proto "tcpudp" \
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string target "" \
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string family "" \
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} || return
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[ -n "$rule_name" ] || rule_name=$rule__name
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[ "$rule_proto" == "icmp" ] || rule_icmp_type=
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}
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fw_load_rule() {
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fw_config_get_rule "$1"
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[ "$rule_target" != "NOTRACK" ] || [ -n "$rule_src" ] || {
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fw_log error "NOTRACK rule ${rule_name}: needs src, skipping"
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return 0
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}
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fw_callback pre rule
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fw_get_port_range rule_src_port $rule_src_port
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fw_get_port_range rule_dest_port $rule_dest_port
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local table=f
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local chain=input
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if [ "$rule_target" == "NOTRACK" ]; then
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table=r
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chain="zone_${rule_src}_notrack"
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elif [ -n "$rule_src" ]; then
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chain="zone_${rule_src}${rule_dest:+_forward}"
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fi
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local target="${rule_target:-REJECT}"
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[ -n "$dest" ] && target="zone_${rule_dest}_${target}"
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local mode
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fw_get_family_mode mode ${rule_family:-x} $rule_src I
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local src_spec dest_spec
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fw_get_negation src_spec '-s' "${rule_src_ip:+$rule_src_ip/$rule_src_ip_prefixlen}"
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fw_get_negation dest_spec '-d' "${rule_dest_ip:+$rule_dest_ip/$rule_dest_ip_prefixlen}"
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local rule_pos
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eval 'rule_pos=$((++FW__RULE_COUNT_'$mode'_'$chain'))'
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[ "$rule_proto" == "tcpudp" ] && rule_proto="tcp udp"
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for rule_proto in $rule_proto; do
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fw add $mode $table $chain $target $rule_pos { $rule_src_ip $rule_dest_ip } { \
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$src_spec $dest_spec \
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${rule_proto:+-p $rule_proto} \
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${rule_src_port:+--sport $rule_src_port} \
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${rule_src_mac:+-m mac --mac-source $rule_src_mac} \
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${rule_dest_port:+--dport $rule_dest_port} \
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${rule_icmp_type:+--icmp-type $rule_icmp_type} \
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}
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done
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fw_callback post rule
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}
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