From e35caf064050a494bacffb8cd10b5683c64e3372 Mon Sep 17 00:00:00 2001 From: Adze1502 Date: Fri, 8 Aug 2014 21:09:54 +0200 Subject: [PATCH] Add mwan3 to packages feed Signed-off-by: Jeroen Louwes --- net/mwan3/Makefile | 48 +++ net/mwan3/files/etc/config/mwan3 | 79 +++++ net/mwan3/files/etc/hotplug.d/iface/15-mwan3 | 328 +++++++++++++++++++ net/mwan3/files/etc/init.d/mwan3 | 20 ++ net/mwan3/files/usr/sbin/mwan3 | 208 ++++++++++++ net/mwan3/files/usr/sbin/mwan3track | 65 ++++ 6 files changed, 748 insertions(+) create mode 100644 net/mwan3/Makefile create mode 100644 net/mwan3/files/etc/config/mwan3 create mode 100644 net/mwan3/files/etc/hotplug.d/iface/15-mwan3 create mode 100755 net/mwan3/files/etc/init.d/mwan3 create mode 100755 net/mwan3/files/usr/sbin/mwan3 create mode 100755 net/mwan3/files/usr/sbin/mwan3track diff --git a/net/mwan3/Makefile b/net/mwan3/Makefile new file mode 100644 index 0000000000..49c8d592d6 --- /dev/null +++ b/net/mwan3/Makefile @@ -0,0 +1,48 @@ +# +# Copyright (C) 2006-2014 OpenWrt.org +# +# This is free software, licensed under the GNU General Public License v2. +# See /LICENSE for more information. +# + +include $(TOPDIR)/rules.mk + +PKG_NAME:=mwan3 +PKG_VERSION:=1.4 +PKG_RELEASE:=22 +PKG_MAINTAINER:=Jeroen Louwes +PKG_LICENSE:=GPLv2 + +include $(INCLUDE_DIR)/package.mk + +define Package/mwan3 + SECTION:=net + CATEGORY:=Network + SUBMENU:=Routing and Redirection + DEPENDS:=+ip +iptables +iptables-mod-conntrack-extra +iptables-mod-ipopt + TITLE:=Multiwan hotplug script with connection tracking support + MAINTAINER:=Jeroen Louwes + PKGARCH:=all +endef + +define Package/mwan3/description + Hotplug script which makes configuration of multiple WAN interfaces simple and manageable. With loadbalancing/failover support for up to 250 wan interfaces, connection tracking and an easy to manage traffic ruleset. +endef + +define Package/mwan3/conffiles + /etc/config/mwan3 +endef + +define Build/Compile +endef + +define Package/mwan3/install + $(CP) ./files/* $(1) +endef + +define Package/mwan3/postinst + [ -n "$${IPKG_INSTROOT}" ] || /etc/init.d/mwan3 enable + exit 0 +endef + +$(eval $(call BuildPackage,mwan3)) diff --git a/net/mwan3/files/etc/config/mwan3 b/net/mwan3/files/etc/config/mwan3 new file mode 100644 index 0000000000..53f2f9832a --- /dev/null +++ b/net/mwan3/files/etc/config/mwan3 @@ -0,0 +1,79 @@ + +config interface 'wan' + option enabled '1' + list track_ip '8.8.4.4' + list track_ip '8.8.8.8' + list track_ip '208.67.222.222' + list track_ip '208.67.220.220' + option reliability '2' + option count '1' + option timeout '2' + option interval '5' + option down '3' + option up '8' + +config interface 'wan2' + option enabled '0' + list track_ip '8.8.8.8' + list track_ip '208.67.220.220' + option reliability '1' + option count '1' + option timeout '2' + option interval '5' + option down '3' + option up '8' + +config member 'wan_m1_w3' + option interface 'wan' + option metric '1' + option weight '3' + +config member 'wan_m2_w3' + option interface 'wan' + option metric '2' + option weight '3' + +config member 'wan2_m1_w2' + option interface 'wan2' + option metric '1' + option weight '2' + +config member 'wan2_m2_w2' + option interface 'wan2' + option metric '2' + option weight '2' + +config policy 'wan_only' + list use_member 'wan_m1_w3' + +config policy 'wan2_only' + list use_member 'wan2_m1_w2' + +config policy 'balanced' + list use_member 'wan_m1_w3' + list use_member 'wan2_m1_w2' + +config policy 'wan_wan2' + list use_member 'wan_m1_w3' + list use_member 'wan2_m2_w2' + +config policy 'wan2_wan' + list use_member 'wan_m2_w3' + list use_member 'wan2_m1_w2' + +config rule 'sticky_even' + option src_ip '0.0.0.0/0.0.0.1' + option dest_port '443' + option proto 'tcp' + option use_policy 'wan_wan2' + +config rule 'sticky_odd' + option src_ip '0.0.0.1/0.0.0.1' + option dest_port '443' + option proto 'tcp' + option use_policy 'wan2_wan' + +config rule 'default_rule' + option dest_ip '0.0.0.0/0' + option use_policy 'balanced' + diff --git a/net/mwan3/files/etc/hotplug.d/iface/15-mwan3 b/net/mwan3/files/etc/hotplug.d/iface/15-mwan3 new file mode 100644 index 0000000000..fe1375df8e --- /dev/null +++ b/net/mwan3/files/etc/hotplug.d/iface/15-mwan3 @@ -0,0 +1,328 @@ +#!/bin/sh + +mwan3_get_iface_id() +{ + let iface_count++ + [ "$1" == "$INTERFACE" ] && iface_id=$iface_count +} + +mwan3_get_route_args() +{ + route_args=$(ip -4 route list dev $DEVICE default | head -1 | sed '/.*via \([^ ]*\) .*$/!d;s//\1/;q' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}') + [ -n "$route_args" ] && route_args="via $route_args" + route_args="nexthop $route_args dev $DEVICE" +} + +mwan3_set_general_iptables() +{ + if ! iptables -S mwan3_ifaces -t mangle &> /dev/null; then + iptables -N mwan3_ifaces -t mangle + fi + + if ! iptables -S mwan3_rules -t mangle &> /dev/null; then + iptables -N mwan3_rules -t mangle + fi + + if ! iptables -S mwan3_connected -t mangle &> /dev/null; then + iptables -N mwan3_connected -t mangle + fi + + if ! iptables -S mwan3_hook -t mangle &> /dev/null; then + iptables -N mwan3_hook -t mangle + iptables -A mwan3_hook -t mangle -j CONNMARK --restore-mark --nfmask 0xff00 --ctmask 0xff00 + iptables -A mwan3_hook -t mangle -m mark --mark 0x0/0xff00 -j mwan3_ifaces + iptables -A mwan3_hook -t mangle -m mark --mark 0x0/0xff00 -j mwan3_connected + iptables -A mwan3_hook -t mangle -m mark --mark 0x0/0xff00 -j mwan3_rules + iptables -A mwan3_hook -t mangle -j CONNMARK --save-mark --nfmask 0xff00 --ctmask 0xff00 + fi + + if ! iptables -S mwan3_track_hook -t mangle &> /dev/null; then + iptables -N mwan3_track_hook -t mangle + fi + + if ! iptables -S PREROUTING -t mangle | grep mwan3_hook &> /dev/null; then + iptables -A PREROUTING -t mangle -j mwan3_hook + fi + + if ! iptables -S OUTPUT -t mangle | grep mwan3_hook &> /dev/null; then + iptables -A OUTPUT -t mangle -j mwan3_hook + fi + + if ! iptables -S OUTPUT -t mangle | grep mwan3_track_hook &> /dev/null; then + iptables -A OUTPUT -t mangle -j mwan3_track_hook + fi + + iptables -F mwan3_rules -t mangle +} + +mwan3_set_connected_iptables() +{ + local connected_networks + + if iptables -S mwan3_connected -t mangle &> /dev/null; then + iptables -F mwan3_connected -t mangle + + for connected_networks in $(ip -4 route | awk '{print $1}' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}'); do + iptables -A mwan3_connected -t mangle -d $connected_networks -m mark --mark 0x0/0xff00 -j MARK --set-xmark 0xff00/0xff00 + done + + iptables -I mwan3_connected -t mangle -d 224.0.0.0/3 -m mark --mark 0x0/0xff00 -j MARK --set-xmark 0xff00/0xff00 + iptables -I mwan3_connected -t mangle -d 127.0.0.0/8 -m mark --mark 0x0/0xff00 -j MARK --set-xmark 0xff00/0xff00 + fi +} + +mwan3_set_iface_iptables() +{ + local local_net local_nets + + local_net=$(ip -4 route list dev $DEVICE scope link | awk '{print $1}' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}') + + if ! iptables -S mwan3_iface_$INTERFACE -t mangle &> /dev/null; then + iptables -N mwan3_iface_$INTERFACE -t mangle + fi + + iptables -F mwan3_iface_$INTERFACE -t mangle + iptables -D mwan3_ifaces -t mangle -i $DEVICE -m mark --mark 0x0/0xff00 -j mwan3_iface_$INTERFACE &> /dev/null + + if [ $ACTION == "ifup" ]; then + if [ -n "$local_net" ]; then + for local_nets in $local_net ; do + if [ $ACTION == "ifup" ]; then + iptables -I mwan3_iface_$INTERFACE -t mangle -s $local_net -m mark --mark 0x0/0xff00 -m comment --comment "$INTERFACE" -j MARK --set-xmark 0xff00/0xff00 + fi + done + fi + + iptables -A mwan3_iface_$INTERFACE -t mangle -m mark --mark 0x0/0xff00 -m comment --comment "$INTERFACE" -j MARK --set-xmark $(($iface_id*256))/0xff00 + iptables -A mwan3_ifaces -t mangle -i $DEVICE -m mark --mark 0x0/0xff00 -j mwan3_iface_$INTERFACE + fi + + if [ $ACTION == "ifdown" ]; then + iptables -X mwan3_iface_$INTERFACE -t mangle + fi +} + +mwan3_set_iface_route() +{ + ip -4 route flush table $iface_id + [ $ACTION == "ifup" ] && ip -4 route add table $iface_id default $route_args +} + +mwan3_set_iface_rules() +{ + while [ -n "$(ip -4 rule list | awk '$1 == "'$(($iface_id+1000)):'"')" ]; do + ip -4 rule del pref $(($iface_id+1000)) + done + + while [ -n "$(ip -4 rule list | awk '$1 == "'$(($iface_id+2000)):'"')" ]; do + ip -4 rule del pref $(($iface_id+2000)) + done + + while [ -n "$(ip -4 rule list | awk '$1 == "2254:"')" ]; do + ip -4 rule del pref 2254 + done + + [ $ACTION == "ifup" ] && ip -4 rule add pref $(($iface_id+1000)) iif $DEVICE lookup main + [ $ACTION == "ifup" ] && ip -4 rule add pref $(($iface_id+2000)) fwmark $(($iface_id*256))/0xff00 lookup $iface_id + ip rule add pref 2254 fwmark 0xfe00/0xff00 unreachable +} + +mwan3_track() +{ + local track_ip track_ips reliability count timeout interval down up + + mwan3_list_track_ips() + { + track_ips="$1 $track_ips" + } + config_list_foreach $INTERFACE track_ip mwan3_list_track_ips + + if [ -n "$track_ips" ]; then + config_get reliability $INTERFACE reliability 1 + config_get count $INTERFACE count 1 + config_get timeout $INTERFACE timeout 4 + config_get interval $INTERFACE interval 10 + config_get down $INTERFACE down 5 + config_get up $INTERFACE up 5 + + if ! iptables -S mwan3_track_$INTERFACE -t mangle &> /dev/null; then + iptables -N mwan3_track_$INTERFACE -t mangle + iptables -A mwan3_track_hook -t mangle -p icmp -m icmp --icmp-type 8 -m length --length 32 -j mwan3_track_$INTERFACE + fi + + iptables -F mwan3_track_$INTERFACE -t mangle + + for track_ip in $track_ips; do + iptables -A mwan3_track_$INTERFACE -t mangle -d $track_ip -j MARK --set-xmark 0xff00/0xff00 + done + + [ -x /usr/sbin/mwan3track ] && /usr/sbin/mwan3track $INTERFACE $DEVICE $reliability $count $timeout $interval $down $up $track_ips & + else + iptables -D mwan3_track_hook -t mangle -p icmp -m icmp --icmp-type 8 -m length --length 32 -j mwan3_track_$INTERFACE &> /dev/null + iptables -F mwan3_track_$INTERFACE -t mangle &> /dev/null + iptables -X mwan3_track_$INTERFACE -t mangle &> /dev/null + fi +} + +mwan3_set_policy() +{ + local iface_count iface_id metric probability weight + + config_get INTERFACE $1 interface + config_get metric $1 metric 1 + config_get weight $1 weight 1 + + [ -n "$INTERFACE" ] || return 0 + + config_foreach mwan3_get_iface_id interface + + [ -n "$iface_id" ] || return 0 + + if iptables -S mwan3_iface_$INTERFACE -t mangle &> /dev/null; then + if [ "$metric" -lt "$lowest_metric" ]; then + + total_weight=$weight + iptables -F mwan3_policy_$policy -t mangle + iptables -A mwan3_policy_$policy -t mangle -m mark --mark 0x0/0xff00 -m comment --comment "$INTERFACE $weight $weight" -j MARK --set-xmark $(($iface_id*256))/0xff00 + + lowest_metric=$metric + + elif [ "$metric" -eq "$lowest_metric" ]; then + + total_weight=$(($total_weight+$weight)) + probability=$(($weight*1000/$total_weight)) + + if [ "$probability" -lt 10 ]; then + probability="0.00$probability" + elif [ $probability -lt 100 ]; then + probability="0.0$probability" + elif [ $probability -lt 1000 ]; then + probability="0.$probability" + else + probability="1" + fi + + probability="-m statistic --mode random --probability $probability" + + iptables -I mwan3_policy_$policy -t mangle -m mark --mark 0x0/0xff00 $probability -m comment --comment "$INTERFACE $weight $total_weight" -j MARK --set-xmark $(($iface_id*256))/0xff00 + fi + fi +} + +mwan3_set_policies_iptables() +{ + local lowest_metric policy total_weight + + policy=$1 + + if [ "$policy" != $(echo "$policy" | cut -c1-15) ]; then + logger -t mwan3 -p warn "Policy $policy exceeds max of 15 chars. Not setting policy" && return 0 + fi + + if ! iptables -S mwan3_policy_$policy -t mangle &> /dev/null; then + iptables -N mwan3_policy_$policy -t mangle + fi + + iptables -F mwan3_policy_$policy -t mangle + iptables -A mwan3_policy_$policy -t mangle -m mark --mark 0x0/0xff00 -m comment --comment "unreachable" -j MARK --set-xmark 0xfe00/0xff00 + + lowest_metric=256 + total_weight=0 + + config_list_foreach $policy use_member mwan3_set_policy + + iptables -X $policy -t mangle &> /dev/null +} + +mwan3_set_user_rules_iptables() +{ + local proto src_ip src_port dest_ip dest_port use_policy + + config_get proto $1 proto all + config_get src_ip $1 src_ip 0.0.0.0/0 + config_get src_port $1 src_port 0:65535 + config_get dest_ip $1 dest_ip 0.0.0.0/0 + config_get dest_port $1 dest_port 0:65535 + config_get use_policy $1 use_policy + + if [ -n "$use_policy" ]; then + if [ "$use_policy" == "default" ]; then + use_policy="MARK --set-xmark 0xff00/0xff00" + elif [ "$use_policy" == "unreachable" ]; then + use_policy="MARK --set-xmark 0xfe00/0xff00" + else + use_policy="mwan3_policy_$use_policy" + fi + + case $proto in + tcp|udp) + iptables -A mwan3_rules -t mangle -p $proto -s $src_ip -d $dest_ip -m multiport --sports $src_port -m multiport --dports $dest_port -m mark --mark 0/0xff00 -m comment --comment "$1" -j $use_policy &> /dev/null + ;; + *) + iptables -A mwan3_rules -t mangle -p $proto -s $src_ip -d $dest_ip -m mark --mark 0/0xff00 -m comment --comment "$1" -j $use_policy &> /dev/null + ;; + esac + fi +} + +mwan3_ifupdown() +{ + local counter enabled iface_count iface_id route_args wan_metric + + [ -n "$DEVICE" ] || exit 0 + [ -n "$INTERFACE" ] || exit 0 + [ "$(uci get -P /var/state mwan3.$INTERFACE 2> /dev/null)" == "interface" ] || return 0 + + config_load mwan3 + config_get enabled $INTERFACE enabled 0 + + counter=0 + + if [ $ACTION == "ifup" ]; then + [ "$enabled" -eq 1 ] || exit 0 + + while [ -z "$(ip -4 route list dev $DEVICE default | head -1)" -a "$counter" -lt 10 ]; do + sleep 1 + let counter++ + if [ "$counter" -ge 10 ]; then + logger -t mwan3 -p warn "Could not find gateway for interface $INTERFACE ($DEVICE)" && exit 0 + fi + done + + mwan3_get_route_args + fi + + while [ "$(pgrep -f -o hotplug-call)" -ne $$ -a "$counter" -lt 60 ]; do + sleep 1 + let counter++ + if [ "$counter" -ge 60 ]; then + logger -t mwan3 -p warn "Timeout waiting for older hotplug processes to finish. $ACTION interface $INTERFACE ($DEVICE) aborted" && exit 0 + fi + done + + config_foreach mwan3_get_iface_id interface + + [ -n "$iface_id" ] || exit 0 + [ "$iface_count" -le 250 ] || exit 0 + unset iface_count + unset counter + + logger -t mwan3 -p notice "$ACTION interface $INTERFACE ($DEVICE)" + + mwan3_set_general_iptables + mwan3_set_iface_iptables + mwan3_set_iface_route + mwan3_set_iface_rules + + [ $ACTION == "ifup" ] && mwan3_track + + config_foreach mwan3_set_policies_iptables policy + config_foreach mwan3_set_user_rules_iptables rule +} + +case "$ACTION" in + ifup|ifdown) + mwan3_ifupdown + mwan3_set_connected_iptables + ;; +esac diff --git a/net/mwan3/files/etc/init.d/mwan3 b/net/mwan3/files/etc/init.d/mwan3 new file mode 100755 index 0000000000..44af759ede --- /dev/null +++ b/net/mwan3/files/etc/init.d/mwan3 @@ -0,0 +1,20 @@ +#!/bin/sh /etc/rc.common +START=99 + +start() { + /usr/sbin/mwan3 start +} + +stop() { + /usr/sbin/mwan3 stop +} + +restart() { + stop + start +} + +boot() { + # Don't start on boot, mwan3 is started by hotplug event. + return 0 +} diff --git a/net/mwan3/files/usr/sbin/mwan3 b/net/mwan3/files/usr/sbin/mwan3 new file mode 100755 index 0000000000..7d274d4307 --- /dev/null +++ b/net/mwan3/files/usr/sbin/mwan3 @@ -0,0 +1,208 @@ +#!/bin/sh /etc/rc.common + +. /lib/network/config.sh + +extra_help() { + cat < Start service on interface + ifdown Stop service on interface + interfaces Show interfaces status + policies Show policies status + rules Show rules status + status Show all status +EOF +} + +EXTRA_COMMANDS="ifdown ifup interfaces policies rules status" +EXTRA_HELP="$(extra_help)" + + +ifdown() +{ + if [ -z "$1" ]; then + echo "Error: Expecting interface. Usage: mwan3 ifdown " && exit 0 + fi + + if [ -n "$2" ]; then + echo "Error: Too many arguments. Usage: mwan3 ifdown " && exit 0 + fi + + local device + + device=$(uci get -p /var/state network.$1.ifname) &> /dev/null + + if [ -e /var/run/mwan3track-$1.pid ] ; then + kill $(cat /var/run/mwan3track-$1.pid) + rm /var/run/mwan3track-$1.pid + fi + + if [ -n "$device" ] ; then + ACTION=ifdown INTERFACE=$1 DEVICE=$device /sbin/hotplug-call iface + fi +} + +ifup() +{ + config_load mwan3 + + if [ -z "$1" ]; then + echo "Expecting interface. Usage: mwan3 ifup " && exit 0 + fi + + if [ -n "$2" ]; then + echo "Too many arguments. Usage: mwan3 ifup " && exit 0 + fi + + local device enabled + + config_get enabled "$1" enabled 0 + + device=$(uci get -p /var/state network.$1.ifname) &> /dev/null + + if [ -n "$device" ] ; then + [ "$enabled" -eq 1 ] && ACTION=ifup INTERFACE=$1 DEVICE=$device /sbin/hotplug-call iface + fi +} + +interfaces() +{ + config_load mwan3 + + local device enabled iface_id tracking + + echo "Interface status:" + + check_iface_status() + { + device=$(uci get -p /var/state network.$1.ifname) &> /dev/null + + if [ -z "$device" ]; then + echo "Interface $1 is unknown" + return 0 + fi + + config_get enabled "$1" enabled 0 + let iface_id++ + + if [ -n "$(ps -w | grep mwan3track | grep -v grep | sed '/.*\/usr\/sbin\/mwan3track \([^ ]*\) .*$/!d;s//\1/' | awk '$1 == ("'$1'")')" ]; then + tracking="active" + else + tracking="down" + fi + + if [ -n "$(ip rule | awk '$5 == ("'$device'")')" -a -n "$(iptables -S mwan3_iface_$1 -t mangle 2> /dev/null)" -a -n "$(ip -4 route list table $iface_id default dev $device 2> /dev/null)" ]; then + if [ -n "$(uci get -p /var/state mwan3.$1.track_ip 2> /dev/null)" ]; then + echo "Interface $1 is online (tracking $tracking)" + else + echo "Interface $1 is online" + fi + elif [ -n "$(ip rule | awk '$5 == ("'$device'")')" -o -n "$(iptables -S mwan3_iface_$1 -t mangle 2> /dev/null)" -o -n "$(ip -4 route list table $iface_id default dev $device 2> /dev/null)" ]; then + echo "Interface $1 error" + else + if [ "$enabled" -eq 1 ]; then + if [ -n "$(uci get -p /var/state mwan3.$1.track_ip 2> /dev/null)" ]; then + echo "Interface $1 is offline (tracking $tracking)" + else + echo "Interface $1 is offline" + fi + else + echo "Interface $1 is disabled" + fi + fi + } + config_foreach check_iface_status interface + echo -e +} + +policies() +{ + local percent policy share total_weight weight iface + + for policy in $(iptables -S -t mangle | awk '{print $2}' | grep mwan3_policy_ | sort -u); do + echo "Policy $policy:" | sed 's/mwan3_policy_//g' + + for iface in $(iptables -S $policy -t mangle | cut -s -d'"' -f2 | awk '{print $1}'); do + [ -n "$total_weight" ] || total_weight=$(iptables -S $policy -t mangle | grep "$iface " | cut -s -d'"' -f2 | awk '{print $3}') + done + + if [ ! -z "${total_weight##*[!0-9]*}" ]; then + for iface in $(iptables -S $policy -t mangle | cut -s -d'"' -f2 | awk '{print $1}'); do + weight=$(iptables -S $policy -t mangle | grep "$iface " | cut -s -d'"' -f2 | awk '{print $2}') + percent=$(($weight*100/$total_weight)) + echo " $iface ($percent%)" + done + else + echo " $(iptables -S $policy -t mangle | sed '/.*--comment \([^ ]*\) .*$/!d;s//\1/;q')" + fi + + echo -e + + unset iface + unset total_weight + done +} +rules() +{ + if [ -n "$(iptables -S mwan3_connected -t mangle 2> /dev/null)" ]; then + echo "Known networks:" + echo "destination policy hits" | awk '{ printf "%-19s%-19s%-9s%s\n",$1,$2,$3}' + echo "------------------------------------------------" + iptables -L mwan3_connected -t mangle -n -v 2> /dev/null | tail -n+3 | sed 's/mark.*//' | sed 's/mwan3_policy_//g' | awk '{printf "%-19s%-19s%-9s%s\n",$9,"default",$1}' + echo -e + fi + + if [ -n "$(iptables -S mwan3_rules -t mangle 2> /dev/null)" ]; then + echo "Active rules:" + echo "source destination proto src-port dest-port policy hits" | awk '{ printf "%-19s%-19s%-7s%-14s%-14s%-16s%-9s%s\n",$1,$2,$3,$4,$5,$6,$7}' + echo "---------------------------------------------------------------------------------------------------" + iptables -L mwan3_rules -t mangle -n -v 2> /dev/null | tail -n+3 | sed 's/mark.*//' | sed 's/mwan3_policy_//g' | awk '{ printf "%-19s%-19s%-7s%-14s%-14s%-16s%-9s%s\n",$8,$9,$4,$12,$15,$3,$1}' + echo -e + fi +} + +status() +{ + interfaces + policies + rules +} + +start() +{ + config_load mwan3 + config_foreach ifup interface +} + +stop() +{ + local route rule table + + killall mwan3track &> /dev/null + rm /var/run/mwan3track-* &> /dev/null + + for route in $(ip route list table all | sed 's/.*table \([^ ]*\) .*/\1/' | awk '{print $1}' | awk '{for(i=1;i<=NF;i++) if($i+0>0) if($i+0<255) {print;break}}'); do + ip -4 route flush table $route &> /dev/null + done + + for rule in $(ip -4 rule list | egrep '^[1-2][0-9]{3}\:' | cut -d ':' -f 1); do + ip -4 rule del pref $rule &> /dev/null + done + + iptables -D PREROUTING -t mangle -j mwan3_hook &> /dev/null + iptables -D OUTPUT -t mangle -j mwan3_hook &> /dev/null + iptables -D OUTPUT -t mangle -j mwan3_track_hook &> /dev/null + + for table in $(iptables -S -t mangle | awk '{print $2}' | grep mwan3 | sort -u); do + iptables -F $table -t mangle &> /dev/null + done + + for table in $(iptables -S -t mangle | awk '{print $2}' | grep mwan3 | sort -u); do + iptables -X $table -t mangle &> /dev/null + done +} + +restart() { + stop + start +} diff --git a/net/mwan3/files/usr/sbin/mwan3track b/net/mwan3/files/usr/sbin/mwan3track new file mode 100755 index 0000000000..c4d25e99d2 --- /dev/null +++ b/net/mwan3/files/usr/sbin/mwan3track @@ -0,0 +1,65 @@ +#!/bin/sh + +[ -z "$9" ] && echo "Error: should not be started manually" && exit 0 + +if [ -e /var/run/mwan3track-$1.pid ] ; then + kill $(cat /var/run/mwan3track-$1.pid) &> /dev/null + rm /var/run/mwan3track-$1.pid &> /dev/null +fi + +echo "$$" > /var/run/mwan3track-$1.pid + +score=$(($7+$8)) +track_ips=$(echo $* | cut -d ' ' -f 9-99) +host_up_count=0 +lost=0 + +while true; do + + for track_ip in $track_ips; do + ping -I $2 -c $4 -W $5 -s 4 -q $track_ip &> /dev/null + if [ $? -eq 0 ]; then + let host_up_count++ + else + let lost++ + fi + done + + if [ $host_up_count -lt $3 ]; then + let score-- + + if [ $score -lt $8 ]; then score=0 ; fi + if [ $score -eq $8 ]; then + + logger -t mwan3track -p notice "Interface $1 ($2) is offline" + env -i ACTION=ifdown INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface + score=0 + + fi + + else + + if [ $score -lt $(($7+$8)) ] && [ $lost -gt 0 ]; then + + logger -t mwan3track -p info "Lost $(($lost*$4)) ping(s) on interface $1 ($2)" + + fi + + let score++ + lost=0 + + if [ $score -gt $8 ]; then score=$(($7+$8)); fi + if [ $score -eq $8 ]; then + + logger -t mwan3track -p notice "Interface $1 ($2) is online" + env -i ACTION=ifup INTERFACE=$1 DEVICE=$2 /sbin/hotplug-call iface + rm /var/run/mwan3track-$1.pid + exit 0 + fi + fi + + host_up_count=0 + sleep $6 +done + +exit 1 -- 2.30.2