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https://github.com/Ysurac/openmptcprouter-feeds.git
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Add nftables support to OMR-DSCP and separate interface and scripts
This commit is contained in:
Ycarus (Yannick Chabanois)
parent
f2a1250ccc
commit
aecc558e9d
5 changed files with 239 additions and 4 deletions
183
omr-dscp/files/etc/init.d/omr-dscp-nft
Executable file
183
omr-dscp/files/etc/init.d/omr-dscp-nft
Executable file
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@ -0,0 +1,183 @@
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#!/bin/sh /etc/rc.common
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# vim: set noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 :
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# shellcheck disable=SC2034
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START=90
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# shellcheck disable=SC2034
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STOP=10
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# shellcheck disable=SC2034
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USE_PROCD=1
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# shellcheck disable=SC1091
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. /lib/functions.sh
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# Get the lan interface name
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lan_device=
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config_load network
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config_get lan_device lan ifname
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#config_load dscp
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_add_dscp_domain() {
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domain=""; config_get domain "$1" name ""
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class=""; config_get class "$1" class ""
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[ -n "$domain" ] && [ -n "$class" ] && [ -z "$(uci -q get dhcp.omr_dscp-$class.domain | grep $domain)" ] && {
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uci -q batch <<-EOF
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add_list dhcp.omr_dscp_$class.domain="$domain"
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commit dhcp
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EOF
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}
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}
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_add_dscp_domains_rules() {
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for class in cs0 cs1 cs2 cs3 cs4 cs5 cs6 cs7 ef; do
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uci -q batch <<-EOF
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set dhcp.omr_dscp_${class}=ipset
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add_list dhcp.omr_dscp_${class}.name="omr_dscp_${class}_4"
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add_list dhcp.omr_dscp_${class}.name="omr_dscp_${class}_6"
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commit dhcp
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set firewall.omr_dscp_${class}_4=ipset
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set firewall.omr_dscp_${class}_4.name="omr_dscp_${class}_4"
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set firewall.omr_dscp_${class}_4.match='dest_ip"
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set firewall.omr_dscp_${class}_6=ipset
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set firewall.omr_dscp_${class}_6.name="omr_dscp_${class}_6"
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set firewall.omr_dscp_${class}_6.match='dest_ip"
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set firewall.omr_dscp_${class}=rule
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set firewall.omr_dscp_${class}.ipset="omr_dscp-${class}_4"
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set firewall.omr_dscp_${class}.set_dscp="$(echo ${class} | tr '[a-z'] '[A-Z]')"
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set firewall.omr_dscp_${class}.target='DSCP'
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set firewall.omr_dscp_${class}.src='lan'
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set firewall.omr_dscp_${class}.dest='*'
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set firewall.omr6_dscp_${class}=rule
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set firewall.omr6_dscp_${class}.ipset="omr_dscp-${class}_6"
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set firewall.omr6_dscp_${class}.target='DSCP'
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set firewall.omr6_dscp_${class}.set_dscp="$(echo ${class} | tr '[a-z'] '[A-Z]')"
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set firewall.omr6_dscp_${class}.src='lan'
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set firewall.omr6_dscp_${class}.dest='*'
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commit firewall
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EOF
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done
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}
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_add_dscp_rules() {
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proto="" ; config_get proto "$1" proto all
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src_ip="" ; config_get src_ip "$1" src_ip 0.0.0.0/0
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src_port="" ; config_get src_port "$1" src_port 0:65535
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dest_ip="" ; config_get dest_ip "$1" dest_ip 0.0.0.0/0
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dest_port="" ; config_get dest_port "$1" dest_port 0:65535
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class="" ; config_get class "$1" class
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direction="" ; config_get direction "$1" direction "upload"
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comment="" ; config_get comment "$1" comment "-"
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src_port="$(echo $src_port | sed 's/:/-/g')"
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dest_port="$(echo $dest_port | sed 's/:/-/g')"
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count=$((count + 1))
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[ "$proto" = "all" ] && proto="tcp udp"
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case "$direction" in
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upload|both)
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# Apply the rule locally
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uci -q batch <<-EOF
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set firewall.omr_dscp_rule$count=rule
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set firewall.omr_dscp_rule$count.name="omr_dscp_rule$count"
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set firewall.omr_dscp_rule$count.target="DSCP"
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set firewall.omr_dscp_rule$count.set_dscp="$(echo ${class} | tr '[a-z'] '[A-Z]')"
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set firewall.omr_dscp_rule$count.src="lan"
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set firewall.omr_dscp_rule$count.src_ip="$src_ip"
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set firewall.omr_dscp_rule$count.dest_ip="$dest_ip"
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set firewall.omr_dscp_rule$count.proto="$proto"
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EOF
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src_port="$(echo $src_port | sed 's/,/ /g')"
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dest_port="$(echo $dest_port | sed 's/,/ /g')"
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for port in $src_port; do
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uci -q set firewall.omr_dscp_rule$count.src_port="$src_port"
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done
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for port in $src_port; do
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uci -q set firewall.omr_dscp_rule$count.dest_port="$dest_port"
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done
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#_add_dscp_rule -m multiport --sports "$src_port" -m multiport --dports "$dest_port"
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;;
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download|both)
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;;
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esac
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uci -q commit firewall
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}
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_add_fwmark_chain() {
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_ipt4 -N dscp_mark
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_ipt4 -A PREROUTING -i "$lan_device" -j dscp_mark
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_ipt4 -A POSTROUTING -j dscp_mark
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_ipt6 -N dscp_mark
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_ipt6 -A PREROUTING -i "$lan_device" -j dscp_mark
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_ipt6 -A POSTROUTING -j dscp_mark
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for class in cs4 cs5 cs6 cs7; do
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# xtun (hex) -> 0x7874756e
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_ipt4 -A dscp_mark \
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-m comment --comment "$class" \
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-m dscp --dscp-class "$class" \
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-j MARK --set-mark 0x7874756e
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_ipt6 -A dscp_mark \
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-m comment --comment "$class" \
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-m dscp --dscp-class "$class" \
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-j MARK --set-mark 0x7874756e
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done
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}
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_remove_ipset_dnsmasq() {
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[ -n "$(echo $1 | grep omr_dscp)" ] && uci -q delete dhcp.$1
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}
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_remove_rules() {
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[ -n "$(echo $1 | grep omr_dscp)" ] && uci -q delete firewall.$1
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}
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_setup_tunnel() {
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# Mark the packets to route through xtun0
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_add_fwmark_chain
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# tun0: cs0 (default)
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# xtun0: cs6
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_ipt4 -A dscp_output -o "tun0" -j DSCP --set-dscp-class cs6
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_ipt6 -A dscp_output -o "tun0" -j DSCP --set-dscp-class cs6
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}
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_cleanup() {
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config_load dhcp
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config_foreach _remove_ipset_dnsmasq
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config_load firewall
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config_foreach _remove_rules
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uci -q commit dhcp
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uci -q commit firewall
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fw4 restart
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}
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start_service() {
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# Cleanup
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_cleanup
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config_load dscp
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# Add chains
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_add_dscp_domains_rules
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# Setup the tunnels dscp / marks
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#_setup_tunnel
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# Add rules base on the user configuration
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count=0
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config_foreach _add_dscp_rules classify
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config_foreach _add_dscp_domain domains
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uci -q commit dhcp
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fw4 restart
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}
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stop_service() {
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_cleanup
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}
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reload_service() {
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start
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}
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service_triggers() {
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procd_add_reload_trigger dscp
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}
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