#!/bin/sh
-local IP IPS IPT LOG
+[ "$ACTION" == "ifup" -o "$ACTION" == "ifdown" ] || exit 1
+[ -n "$INTERFACE" ] || exit 2
-[ -n "$ACTION" ] || exit 0
-[ -n "$INTERFACE" ] || exit 0
-
-if [ $ACTION == "ifup" ]; then
- [ -n "$DEVICE" ] || exit 0
-fi
-
-if [ -x /usr/sbin/ip ]; then
- IP="/usr/sbin/ip -4"
-elif [ -x /usr/bin/ip ]; then
- IP="/usr/bin/ip -4"
-else
- exit 1
-fi
-
-if [ -x /usr/sbin/ipset ]; then
- IPS="/usr/sbin/ipset"
-else
- exit 1
-fi
-
-if [ -x /usr/sbin/iptables ]; then
- IPT="/usr/sbin/iptables -t mangle -w"
-else
- exit 1
+if [ "$ACTION" == "ifup" ]; then
+ [ -n "$DEVICE" ] || exit 3
fi
-if [ -x /usr/bin/logger ]; then
- LOG="/usr/bin/logger -t mwan3 -p"
-else
- exit 1
-fi
-
-
-mwan3_get_iface_id()
-{
- let iface_count++
- [ "$1" == "$INTERFACE" ] && iface_id=$iface_count
-}
-
-mwan3_set_general_iptables()
-{
- if ! $IPT -S mwan3_ifaces &> /dev/null; then
- $IPT -N mwan3_ifaces
- fi
-
- if ! $IPT -S mwan3_connected &> /dev/null; then
- $IPT -N mwan3_connected
- $IPS create mwan3_connected hash:net
- $IPT -A mwan3_connected -m set --match-set mwan3_connected dst -j MARK --set-xmark 0xff00/0xff00
- fi
-
- if ! $IPT -S mwan3_track &> /dev/null; then
- $IPT -N mwan3_track
- fi
-
- if ! $IPT -S mwan3_rules &> /dev/null; then
- $IPT -N mwan3_rules
- fi
-
- if ! $IPT -S mwan3_hook &> /dev/null; then
- $IPT -N mwan3_hook
- $IPT -A mwan3_hook -j CONNMARK --restore-mark --nfmask 0xff00 --ctmask 0xff00
- $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_ifaces
- $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_connected
- $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_track
- $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_rules
- $IPT -A mwan3_hook -j CONNMARK --save-mark --nfmask 0xff00 --ctmask 0xff00
- $IPT -A mwan3_hook -m mark ! --mark 0xff00/0xff00 -j mwan3_connected
- fi
-
- if ! $IPT -S PREROUTING | grep mwan3_hook &> /dev/null; then
- $IPT -A PREROUTING -j mwan3_hook
- fi
-
- if ! $IPT -S OUTPUT | grep mwan3_hook &> /dev/null; then
- $IPT -A OUTPUT -j mwan3_hook
- fi
-
- $IPT -F mwan3_rules
-}
-
-mwan3_set_general_rules()
-{
- if [ -z "$($IP rule list | awk '$1 == "2253:"')" ]; then
- $IP rule add pref 2253 fwmark 0xfd00/0xff00 blackhole
- fi
-
- if [ -z "$($IP rule list | awk '$1 == "2254:"')" ]; then
- $IP rule add pref 2254 fwmark 0xfe00/0xff00 unreachable
- fi
-}
-
-mwan3_set_connected_iptables()
-{
- local connected_network
-
- if $IPT -S mwan3_connected &> /dev/null; then
-
- $IPS create mwan3_connected_temp hash:net
-
- for connected_network in $($IP route | awk '{print $1}' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}'); do
- $IPS -! add mwan3_connected_temp $connected_network
- done
-
- for connected_network in $($IP route list table 0 | awk '{print $2}' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}'); do
- $IPS -! add mwan3_connected_temp $connected_network
- done
-
- $IPS add mwan3_connected_temp 224.0.0.0/3
- $IPS swap mwan3_connected_temp mwan3_connected
- $IPS destroy mwan3_connected_temp
-
- fi
-}
-
-mwan3_set_iface_iptables()
-{
- if ! $IPT -S mwan3_iface_$INTERFACE &> /dev/null; then
- $IPT -N mwan3_iface_$INTERFACE
- fi
-
- $IPT -F mwan3_iface_$INTERFACE
- $IPT -D mwan3_ifaces -m mark --mark 0x0/0xff00 -j mwan3_iface_$INTERFACE &> /dev/null
-
- if [ $ACTION == "ifup" ]; then
- $IPT -I mwan3_iface_$INTERFACE -i $DEVICE -m set --match-set mwan3_connected src -m mark --mark 0x0/0xff00 -m comment --comment "default" -j MARK --set-xmark 0xff00/0xff00
- $IPT -A mwan3_iface_$INTERFACE -i $DEVICE -m mark --mark 0x0/0xff00 -m comment --comment "$INTERFACE" -j MARK --set-xmark $(($iface_id*256))/0xff00
- $IPT -A mwan3_ifaces -m mark --mark 0x0/0xff00 -j mwan3_iface_$INTERFACE
- fi
-
- if [ $ACTION == "ifdown" ]; then
- $IPT -X mwan3_iface_$INTERFACE
- fi
-}
-
-mwan3_set_iface_route()
-{
- $IP route flush table $iface_id
- [ $ACTION == "ifup" ] && $IP route add table $iface_id default $route_args
-}
-
-mwan3_set_iface_rules()
-{
- while [ -n "$($IP rule list | awk '$1 == "'$(($iface_id+1000)):'"')" ]; do
- $IP rule del pref $(($iface_id+1000))
- done
-
- while [ -n "$($IP rule list | awk '$1 == "'$(($iface_id+2000)):'"')" ]; do
- $IP rule del pref $(($iface_id+2000))
- done
-
- [ $ACTION == "ifup" ] && $IP rule add pref $(($iface_id+1000)) iif $DEVICE lookup main
- [ $ACTION == "ifup" ] && $IP rule add pref $(($iface_id+2000)) fwmark $(($iface_id*256))/0xff00 lookup $iface_id
-}
-
-mwan3_set_iface_ipset()
-{
- local setname entry
-
- for setname in $(ipset -n list | grep ^mwan3_sticky_); do
- for entry in $(ipset list $setname | grep "$(echo $(($iface_id*256)) | awk '{ printf "0x%08x", $1; }')" | cut -d ' ' -f 1); do
- $IPS del $setname $entry
- done
- done
-}
-
-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 $INTERFACE track_ip mwan3_list_track_ips
-
- if [ -e /var/run/mwan3track-$INTERFACE.pid ] ; then
- kill $(cat /var/run/mwan3track-$INTERFACE.pid) &> /dev/null
- rm /var/run/mwan3track-$INTERFACE.pid &> /dev/null
- fi
-
- if [ -n "$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
-
- $IPS -! create mwan3_track_$INTERFACE hash:ip
- $IPS create mwan3_track_temp_$INTERFACE hash:ip
-
- for track_ip in $track_ips; do
- $IPS -! add mwan3_track_temp_$INTERFACE $track_ip
- done
-
- $IPS swap mwan3_track_temp_$INTERFACE mwan3_track_$INTERFACE
- $IPS destroy mwan3_track_temp_$INTERFACE
-
- $IPT -D mwan3_track -p icmp -m set --match-set mwan3_track_$INTERFACE dst -m icmp --icmp-type 8 -m length --length 32 -j MARK --set-xmark 0xff00/0xff00 &> /dev/null
- $IPT -A mwan3_track -p icmp -m set --match-set mwan3_track_$INTERFACE dst -m icmp --icmp-type 8 -m length --length 32 -j MARK --set-xmark 0xff00/0xff00
-
- [ -x /usr/sbin/mwan3track ] && /usr/sbin/mwan3track $INTERFACE $DEVICE $reliability $count $timeout $interval $down $up $track_ips &
- else
- $IPT -D mwan3_track -p icmp -m set --match-set mwan3_track_$INTERFACE dst -m icmp --icmp-type 8 -m length --length 32 -j MARK --set-xmark 0xff00/0xff00 &> /dev/null
- $IPS destroy mwan3_track_$INTERFACE
- fi
-}
-
-mwan3_set_policy()
-{
- local iface_count iface_id INTERFACE metric probability weight
-
- config_get INTERFACE $1 interface
- config_get metric $1 metric 1
- config_get weight $1 weight 1
-
- [ -n "$INTERFACE" ] || return 0
+[ -x /usr/bin/ip ] || exit 4
+[ -x /usr/sbin/ipset ] || exit 5
+[ -x /usr/sbin/iptables ] || exit 6
+[ -x /usr/sbin/ip6tables ] || exit 7
+[ -x /usr/bin/logger ] || exit 8
- config_foreach mwan3_get_iface_id interface
+. /lib/functions.sh
+. /lib/functions/network.sh
+. /lib/mwan3/mwan3.sh
- [ -n "$iface_id" ] || return 0
+config_load mwan3
- if $IPT -S mwan3_iface_$INTERFACE &> /dev/null; then
- if [ "$metric" -lt "$lowest_metric" ]; then
+config_get enabled $INTERFACE enabled 0
+[ "$enabled" == "1" ] || exit 0
- total_weight=$weight
- $IPT -F mwan3_policy_$policy
- $IPT -A mwan3_policy_$policy -m mark --mark 0x0/0xff00 -m comment --comment "$INTERFACE $weight $weight" -j MARK --set-xmark $(($iface_id*256))/0xff00
+$LOG notice "$ACTION interface $INTERFACE (${DEVICE:-unknown})"
- 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"
-
- $IPT -I mwan3_policy_$policy -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 last_resort lowest_metric policy total_weight
-
- policy=$1
-
- config_get last_resort $1 last_resort unreachable
-
- if [ "$policy" != $(echo "$policy" | cut -c1-15) ]; then
- $LOG warn "Policy $policy exceeds max of 15 chars. Not setting policy" && return 0
- fi
-
- if ! $IPT -S mwan3_policy_$policy &> /dev/null; then
- $IPT -N mwan3_policy_$policy
- fi
-
- $IPT -F mwan3_policy_$policy
-
- case "$last_resort" in
- blackhole)
- $IPT -A mwan3_policy_$policy -m mark --mark 0x0/0xff00 -m comment --comment "blackhole" -j MARK --set-xmark 0xfd00/0xff00
- ;;
- default)
- $IPT -A mwan3_policy_$policy -m mark --mark 0x0/0xff00 -m comment --comment "default" -j MARK --set-xmark 0xff00/0xff00
- ;;
- *)
- $IPT -A mwan3_policy_$policy -m mark --mark 0x0/0xff00 -m comment --comment "unreachable" -j MARK --set-xmark 0xfe00/0xff00
- ;;
- esac
-
- lowest_metric=256
- total_weight=0
-
- config_list_foreach $policy use_member mwan3_set_policy
-}
-
-mwan3_set_sticky_iptables()
-{
- local INTERFACE iface_count iface_id
-
- INTERFACE="$1"
-
- config_foreach mwan3_get_iface_id interface
- unset iface_count
-
- $IPS -! create mwan3_sticky_$rule hash:ip,mark markmask 0xff00 timeout $timeout
-
- if [ -n "$iface_id" ]; then
- if [ -n "$($IPT -S mwan3_iface_$1 2> /dev/null)" ]; then
- $IPT -I mwan3_rule_$rule -m set ! --match-set mwan3_sticky_$rule src,src -j MARK --set-xmark 0x0/0xff00
- $IPT -I mwan3_rule_$rule -m mark --mark 0/0xff00 -j MARK --set-xmark $(($iface_id*256))/0xff00
- fi
- fi
-
- unset iface_id
-}
-
-mwan3_set_user_rules_iptables()
-{
- local ipset proto src_ip src_port sticky dest_ip dest_port use_policy rule timeout
-
- config_get sticky $1 sticky 0
- config_get timeout $1 timeout 600
- config_get ipset $1 ipset
- 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
-
- rule="$1"
-
- if [ "$rule" != $(echo "$rule" | cut -c1-15) ]; then
- $LOG warn "Rule $rule exceeds max of 15 chars. Not setting rule" && return 0
- fi
-
- if [ -n "$ipset" ]; then
- if [ -z "$($IPS -n list $ipset)" ]; then
- $IPS create $ipset hash:ip timeout 3600
- fi
-
- ipset="-m set --match-set $ipset dst"
- fi
-
- if [ -n "$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"
- elif [ "$use_policy" == "blackhole" ]; then
- use_policy="MARK --set-xmark 0xfd00/0xff00"
- else
- if [ "$sticky" -eq 1 ]; then
-
- if ! $IPT -S mwan3_rule_$rule &> /dev/null; then
- $IPT -N mwan3_rule_$rule
- fi
-
- $IPT -F mwan3_rule_$rule
-
- config_foreach mwan3_set_sticky_iptables interface
-
- $IPT -A mwan3_rule_$rule -m mark --mark 0/0xff00 -j mwan3_policy_$use_policy
- $IPT -A mwan3_rule_$rule -m mark ! --mark 0xfc00/0xfc00 -j SET --del-set mwan3_sticky_$rule src,src
- $IPT -A mwan3_rule_$rule -m mark ! --mark 0xfc00/0xfc00 -j SET --add-set mwan3_sticky_$rule src,src
-
- use_policy="mwan3_rule_$rule"
- else
- use_policy="mwan3_policy_$use_policy"
- fi
- fi
-
- case $proto in
- tcp|udp)
- $IPT -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m multiport --sports $src_port -m multiport --dports $dest_port -m mark --mark 0/0xff00 -m comment --comment "$1" -j $use_policy &> /dev/null
- ;;
- *)
- $IPT -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m mark --mark 0/0xff00 -m comment --comment "$1" -j $use_policy &> /dev/null
- ;;
- esac
- fi
-}
-
-mwan3_ifupdown()
-{
- local counter enabled iface_count iface_id route_args wan_metric
-
- config_load mwan3
- config_foreach mwan3_get_iface_id interface
-
- [ -n "$iface_id" ] || return 0
- [ "$iface_count" -le 250 ] || return 0
- unset iface_count
-
- config_get enabled $INTERFACE enabled 0
-
- counter=0
-
- if [ $ACTION == "ifup" ]; then
- [ "$enabled" -eq 1 ] || return 0
-
- while [ -z "$($IP route list dev $DEVICE default | head -1)" -a "$counter" -lt 10 ]; do
- sleep 1
- let counter++
- if [ "$counter" -ge 10 ]; then
- $LOG warn "Could not find gateway for interface $INTERFACE ($DEVICE)" && return 0
- fi
- done
-
- route_args=$($IP route list dev $DEVICE default | head -1 | sed '/.*via \([^ ]*\) .*$/!d;s//via \1/;q' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}')
- route_args="$route_args dev $DEVICE"
- fi
-
- while [ "$(pgrep -f -o hotplug-call)" -ne $$ -a "$counter" -lt 60 ]; do
- sleep 1
- let counter++
- if [ "$counter" -ge 60 ]; then
- $LOG warn "Timeout waiting for older hotplug processes to finish. $ACTION interface $INTERFACE (${DEVICE:-unknown}) aborted" && return 0
- fi
- done
-
- $LOG notice "$ACTION interface $INTERFACE (${DEVICE:-unknown})"
-
- mwan3_set_general_iptables
- mwan3_set_general_rules
- mwan3_set_iface_iptables
- mwan3_set_iface_route
- mwan3_set_iface_rules
-
- [ $ACTION == "ifdown" ] && mwan3_set_iface_ipset
- [ $ACTION == "ifup" ] && mwan3_track
-
- config_foreach mwan3_set_policies_iptables policy
- config_foreach mwan3_set_user_rules_iptables rule
-}
+mwan3_set_connected_iptables
case "$ACTION" in
- ifup|ifdown)
- mwan3_ifupdown
- mwan3_set_connected_iptables
+ ifup)
+ mwan3_set_general_rules
+ mwan3_set_general_iptables
+ mwan3_create_iface_rules $INTERFACE $DEVICE
+ mwan3_create_iface_iptables $INTERFACE $DEVICE
+ mwan3_create_iface_route $INTERFACE $DEVICE
+ mwan3_track $INTERFACE $DEVICE
+ mwan3_set_user_rules
+ ;;
+ ifdown)
+ mwan3_delete_iface_rules $INTERFACE
+ mwan3_delete_iface_iptables $INTERFACE
+ mwan3_delete_iface_route $INTERFACE
+ mwan3_delete_iface_ipset_entries $INTERFACE
;;
esac
+config_foreach mwan3_create_policies_iptables policy
+
exit 0
--- /dev/null
+#!/bin/sh
+
+local IP4 IP6 IPS IPT4 IPT6 LOG
+
+IP4="/usr/bin/ip -4"
+IP6="/usr/bin/ip -6"
+IPS="/usr/sbin/ipset"
+IPT4="/usr/sbin/iptables -t mangle -w"
+IPT6="/usr/sbin/ip6tables -t mangle -w"
+LOG="/usr/bin/logger -t mwan3 -p"
+
+mwan3_get_iface_id()
+{
+ local _tmp _iface _iface_count
+
+ _iface="$2"
+
+ mwan3_get_id()
+ {
+ let _iface_count++
+ [ "$1" == "$_iface" ] && _tmp=$_iface_count
+ }
+ config_foreach mwan3_get_id interface
+ export "$1=$_tmp"
+}
+
+mwan3_set_connected_iptables()
+{
+ local connected_network_v4 connected_network_v6
+
+ $IPS -! create mwan3_connected_v4 hash:net
+ $IPS create mwan3_connected_v4_temp hash:net
+
+ for connected_network_v4 in $($IP4 route | awk '{print $1}' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}'); do
+ $IPS -! add mwan3_connected_v4_temp $connected_network_v4
+ done
+
+ for connected_network_v4 in $($IP4 route list table 0 | awk '{print $2}' | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}'); do
+ $IPS -! add mwan3_connected_v4_temp $connected_network_v4
+ done
+
+ $IPS add mwan3_connected_v4_temp 224.0.0.0/3
+
+ $IPS swap mwan3_connected_v4_temp mwan3_connected_v4
+ $IPS destroy mwan3_connected_v4_temp
+
+ $IPS -! create mwan3_connected_v6 hash:net family inet6
+ $IPS create mwan3_connected_v6_temp hash:net family inet6
+
+ for connected_network_v6 in $($IP6 route | awk '{print $1}' | egrep '([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])'); do
+ $IPS -! add mwan3_connected_v6_temp $connected_network_v6
+ done
+
+ $IPS swap mwan3_connected_v6_temp mwan3_connected_v6
+ $IPS destroy mwan3_connected_v6_temp
+
+ $IPS -! create mwan3_connected list:set
+ $IPS -! add mwan3_connected mwan3_connected_v4
+ $IPS -! add mwan3_connected mwan3_connected_v6
+}
+
+mwan3_set_general_rules()
+{
+ local IP
+
+ for IP in "$IP4" "$IP6"; do
+
+ if [ -z "$($IP rule list | awk '$1 == "2253:"')" ]; then
+ $IP rule add pref 2253 fwmark 0xfd00/0xff00 blackhole
+ fi
+
+ if [ -z "$($IP rule list | awk '$1 == "2254:"')" ]; then
+ $IP rule add pref 2254 fwmark 0xfe00/0xff00 unreachable
+ fi
+ done
+}
+
+mwan3_set_general_iptables()
+{
+ local IPT
+
+ for IPT in "$IPT4" "$IPT6"; do
+
+ if ! $IPT -S mwan3_ifaces_in &> /dev/null; then
+ $IPT -N mwan3_ifaces_in
+ fi
+
+ if ! $IPT -S mwan3_ifaces_out &> /dev/null; then
+ $IPT -N mwan3_ifaces_out
+ fi
+
+ if ! $IPT -S mwan3_connected &> /dev/null; then
+ $IPT -N mwan3_connected
+ $IPS -! create mwan3_connected list:set
+ $IPT -A mwan3_connected -m set --match-set mwan3_connected dst -j MARK --set-xmark 0xff00/0xff00
+ fi
+
+ if ! $IPT -S mwan3_rules &> /dev/null; then
+ $IPT -N mwan3_rules
+ fi
+
+ if ! $IPT -S mwan3_hook &> /dev/null; then
+ $IPT -N mwan3_hook
+ $IPT -A mwan3_hook -j CONNMARK --restore-mark --nfmask 0xff00 --ctmask 0xff00
+ $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_ifaces_in
+ $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_ifaces_out
+ $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_connected
+ $IPT -A mwan3_hook -m mark --mark 0x0/0xff00 -j mwan3_rules
+ $IPT -A mwan3_hook -j CONNMARK --save-mark --nfmask 0xff00 --ctmask 0xff00
+ $IPT -A mwan3_hook -m mark ! --mark 0xff00/0xff00 -j mwan3_connected
+ fi
+
+ if ! $IPT -S PREROUTING | grep mwan3_hook &> /dev/null; then
+ $IPT -A PREROUTING -j mwan3_hook
+ fi
+
+ if ! $IPT -S OUTPUT | grep mwan3_hook &> /dev/null; then
+ $IPT -A OUTPUT -j mwan3_hook
+ fi
+ done
+}
+
+mwan3_create_iface_iptables()
+{
+ local id family src_ip src_ipv6
+
+ config_get family $1 family ipv4
+ mwan3_get_iface_id id $1
+
+ [ -n "$id" ] || return 0
+
+ if [ "$family" == "ipv4" ]; then
+
+ network_get_ipaddr src_ip $1
+
+ $IPS -! create mwan3_connected list:set
+
+ if ! $IPT4 -S mwan3_ifaces_in &> /dev/null; then
+ $IPT4 -N mwan3_ifaces_in
+ fi
+
+ if ! $IPT4 -S mwan3_ifaces_out &> /dev/null; then
+ $IPT4 -N mwan3_ifaces_out
+ fi
+
+ if ! $IPT4 -S mwan3_iface_in_$1 &> /dev/null; then
+ $IPT4 -N mwan3_iface_in_$1
+ fi
+
+ if ! $IPT4 -S mwan3_iface_out_$1 &> /dev/null; then
+ $IPT4 -N mwan3_iface_out_$1
+ fi
+
+ $IPT4 -F mwan3_iface_in_$1
+ $IPT4 -A mwan3_iface_in_$1 -i $2 -m set --match-set mwan3_connected src -m mark --mark 0x0/0xff00 -m comment --comment "default" -j MARK --set-xmark 0xff00/0xff00
+ $IPT4 -A mwan3_iface_in_$1 -i $2 -m mark --mark 0x0/0xff00 -m comment --comment "$1" -j MARK --set-xmark $(($id*256))/0xff00
+
+ $IPT4 -D mwan3_ifaces_in -m mark --mark 0x0/0xff00 -j mwan3_iface_in_$1 &> /dev/null
+ $IPT4 -A mwan3_ifaces_in -m mark --mark 0x0/0xff00 -j mwan3_iface_in_$1
+
+ $IPT4 -F mwan3_iface_out_$1
+ $IPT4 -A mwan3_iface_out_$1 -s $src_ip -m mark --mark 0x0/0xff00 -m comment --comment "$1" -j MARK --set-xmark $(($id*256))/0xff00
+
+ $IPT4 -D mwan3_ifaces_out -m mark --mark 0x0/0xff00 -j mwan3_iface_out_$1 &> /dev/null
+ $IPT4 -A mwan3_ifaces_out -m mark --mark 0x0/0xff00 -j mwan3_iface_out_$1
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+
+ network_get_ipaddr6 src_ipv6 $1
+
+ $IPS -! create mwan3_connected_v6 hash:net family inet6
+
+ if ! $IPT6 -S mwan3_ifaces_in &> /dev/null; then
+ $IPT6 -N mwan3_ifaces_in
+ fi
+
+ if ! $IPT6 -S mwan3_ifaces_out &> /dev/null; then
+ $IPT6 -N mwan3_ifaces_out
+ fi
+
+ if ! $IPT6 -S mwan3_iface_in_$1 &> /dev/null; then
+ $IPT6 -N mwan3_iface_in_$1
+ fi
+
+ if ! $IPT6 -S mwan3_iface_out_$1 &> /dev/null; then
+ $IPT6 -N mwan3_iface_out_$1
+ fi
+
+ $IPT6 -F mwan3_iface_in_$1
+ $IPT6 -A mwan3_iface_in_$1 -i $2 -m set --match-set mwan3_connected_v6 src -m mark --mark 0x0/0xff00 -m comment --comment "default" -j MARK --set-xmark 0xff00/0xff00
+ $IPT6 -A mwan3_iface_in_$1 -i $2 -m mark --mark 0x0/0xff00 -m comment --comment "$1" -j MARK --set-xmark $(($id*256))/0xff00
+
+ $IPT6 -D mwan3_ifaces_in -m mark --mark 0x0/0xff00 -j mwan3_iface_in_$1 &> /dev/null
+ $IPT6 -A mwan3_ifaces_in -m mark --mark 0x0/0xff00 -j mwan3_iface_in_$1
+
+ $IPT6 -F mwan3_iface_out_$1
+ $IPT6 -A mwan3_iface_out_$1 -s $src_ipv6 -m mark --mark 0x0/0xff00 -m comment --comment "$1" -j MARK --set-xmark $(($id*256))/0xff00
+
+ $IPT6 -D mwan3_ifaces_out -m mark --mark 0x0/0xff00 -j mwan3_iface_out_$1 &> /dev/null
+ $IPT6 -A mwan3_ifaces_out -m mark --mark 0x0/0xff00 -j mwan3_iface_out_$1
+ fi
+}
+
+mwan3_delete_iface_iptables()
+{
+ config_get family $1 family ipv4
+
+ if [ "$family" == "ipv4" ]; then
+
+ $IPT4 -D mwan3_ifaces_in -m mark --mark 0x0/0xff00 -j mwan3_iface_in_$1 &> /dev/null
+ $IPT4 -F mwan3_iface_in_$1 &> /dev/null
+ $IPT4 -X mwan3_iface_in_$1 &> /dev/null
+
+ $IPT4 -D mwan3_ifaces_out -m mark --mark 0x0/0xff00 -j mwan3_iface_out_$1 &> /dev/null
+ $IPT4 -F mwan3_iface_out_$1 &> /dev/null
+ $IPT4 -X mwan3_iface_out_$1 &> /dev/null
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+
+ $IPT6 -D mwan3_ifaces_in -m mark --mark 0x0/0xff00 -j mwan3_iface_in_$1 &> /dev/null
+ $IPT6 -F mwan3_iface_in_$1 &> /dev/null
+ $IPT6 -X mwan3_iface_in_$1 &> /dev/null
+
+ $IPT6 -D mwan3_ifaces_out -m mark --mark 0x0/0xff00 -j mwan3_iface_out_$1 &> /dev/null
+ $IPT6 -F mwan3_iface_out_$1 &> /dev/null
+ $IPT6 -X mwan3_iface_out_$1 &> /dev/null
+ fi
+}
+
+mwan3_create_iface_route()
+{
+ local id route_args
+
+ config_get family $1 family ipv4
+ mwan3_get_iface_id id $1
+
+ [ -n "$id" ] || return 0
+
+ if [ "$family" == "ipv4" ]; then
+
+ network_get_gateway route_args $1
+ route_args="via $route_args dev $2"
+
+ $IP4 route flush table $id
+ $IP4 route add table $id default $route_args
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+
+ network_get_gateway6 route_args $1
+ route_args="via $route_args dev $2"
+
+ $IP6 route flush table $id
+ $IP6 route add table $id default $route_args
+ fi
+}
+
+mwan3_delete_iface_route()
+{
+ local id
+
+ config_get family $1 family ipv4
+ mwan3_get_iface_id id $1
+
+ [ -n "$id" ] || return 0
+
+ if [ "$family" == "ipv4" ]; then
+ $IP4 route flush table $id
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+ $IP6 route flush table $id
+ fi
+}
+
+mwan3_create_iface_rules()
+{
+ local id family
+
+ config_get family $1 family ipv4
+ mwan3_get_iface_id id $1
+
+ [ -n "$id" ] || return 0
+
+ if [ "$family" == "ipv4" ]; then
+
+ while [ -n "$($IP4 rule list | awk '$1 == "'$(($id+1000)):'"')" ]; do
+ $IP4 rule del pref $(($id+1000))
+ done
+
+ while [ -n "$($IP4 rule list | awk '$1 == "'$(($id+2000)):'"')" ]; do
+ $IP4 rule del pref $(($id+2000))
+ done
+
+ $IP4 rule add pref $(($id+1000)) iif $2 lookup main
+ $IP4 rule add pref $(($id+2000)) fwmark $(($id*256))/0xff00 lookup $id
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+
+ while [ -n "$($IP6 rule list | awk '$1 == "'$(($id+1000)):'"')" ]; do
+ $IP6 rule del pref $(($id+1000))
+ done
+
+ while [ -n "$($IP6 rule list | awk '$1 == "'$(($id+2000)):'"')" ]; do
+ $IP6 rule del pref $(($id+2000))
+ done
+
+ $IP6 rule add pref $(($id+1000)) iif $2 lookup main
+ $IP6 rule add pref $(($id+2000)) fwmark $(($id*256))/0xff00 lookup $id
+ fi
+}
+
+mwan3_delete_iface_rules()
+{
+ local id family
+
+ config_get family $1 family ipv4
+ mwan3_get_iface_id id $1
+
+ [ -n "$id" ] || return 0
+
+ if [ "$family" == "ipv4" ]; then
+
+ while [ -n "$($IP4 rule list | awk '$1 == "'$(($id+1000)):'"')" ]; do
+ $IP4 rule del pref $(($id+1000))
+ done
+
+ while [ -n "$($IP4 rule list | awk '$1 == "'$(($id+2000)):'"')" ]; do
+ $IP4 rule del pref $(($id+2000))
+ done
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+
+ while [ -n "$($IP6 rule list | awk '$1 == "'$(($id+1000)):'"')" ]; do
+ $IP6 rule del pref $(($id+1000))
+ done
+
+ while [ -n "$($IP6 rule list | awk '$1 == "'$(($id+2000)):'"')" ]; do
+ $IP6 rule del pref $(($id+2000))
+ done
+ fi
+}
+
+mwan3_delete_iface_ipset_entries()
+{
+ local id setname entry
+
+ mwan3_get_iface_id id $1
+
+ [ -n "$id" ] || return 0
+
+ for setname in $(ipset -n list | grep ^mwan3_sticky_); do
+ for entry in $(ipset list $setname | grep "$(echo $(($id*256)) | awk '{ printf "0x%08x", $1; }')" | cut -d ' ' -f 1); do
+ $IPS del $setname $entry
+ done
+ done
+}
+
+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 $1 track_ip mwan3_list_track_ips
+
+ if [ -e /var/run/mwan3track-$1.pid ] ; then
+ kill $(cat /var/run/mwan3track-$1.pid) &> /dev/null
+ rm /var/run/mwan3track-$1.pid &> /dev/null
+ fi
+
+ if [ -n "$track_ips" ]; then
+ config_get reliability $1 reliability 1
+ config_get count $1 count 1
+ config_get timeout $1 timeout 4
+ config_get interval $1 interval 10
+ config_get down $1 down 5
+ config_get up $1 up 5
+
+ [ -x /usr/sbin/mwan3track ] && /usr/sbin/mwan3track $1 $2 $reliability $count $timeout $interval $down $up $track_ips &
+ fi
+}
+
+mwan3_set_policy()
+{
+ local iface_count id iface family metric probability weight
+
+ config_get iface $1 interface
+ config_get metric $1 metric 1
+ config_get weight $1 weight 1
+
+ [ -n "$iface" ] || return 0
+
+ mwan3_get_iface_id id $iface
+
+ [ -n "$id" ] || return 0
+
+ config_get family $iface family ipv4
+
+ if [ "$family" == "ipv4" ]; then
+
+ if [ -n "$($IP4 route list table $id)" ]; then
+ if [ "$metric" -lt "$lowest_metric_v4" ]; then
+
+ total_weight_v4=$weight
+ $IPT4 -F mwan3_policy_$policy
+ $IPT4 -A mwan3_policy_$policy -m mark --mark 0x0/0xff00 -m comment --comment "$iface $weight $weight" -j MARK --set-xmark $(($id*256))/0xff00
+
+ lowest_metric_v4=$metric
+
+ elif [ "$metric" -eq "$lowest_metric_v4" ]; then
+
+ total_weight_v4=$(($total_weight_v4+$weight))
+ probability=$(($weight*1000/$total_weight_v4))
+
+ if [ "$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"
+
+ $IPT4 -I mwan3_policy_$policy -m mark --mark 0x0/0xff00 $probability -m comment --comment "$iface $weight $total_weight_v4" -j MARK --set-xmark $(($id*256))/0xff00
+ fi
+ fi
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+
+ if [ -n "$($IP6 route list table $id)" ]; then
+ if [ "$metric" -lt "$lowest_metric_v6" ]; then
+
+ total_weight_v6=$weight
+ $IPT6 -F mwan3_policy_$policy
+ $IPT6 -A mwan3_policy_$policy -m mark --mark 0x0/0xff00 -m comment --comment "$iface $weight $weight" -j MARK --set-xmark $(($id*256))/0xff00
+
+ lowest_metric_v6=$metric
+
+ elif [ "$metric" -eq "$lowest_metric_v6" ]; then
+
+ total_weight_v6=$(($total_weight_v6+$weight))
+ probability=$(($weight*1000/$total_weight_v6))
+
+ if [ "$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"
+
+ $IPT6 -I mwan3_policy_$policy -m mark --mark 0x0/0xff00 $probability -m comment --comment "$iface $weight $total_weight_v6" -j MARK --set-xmark $(($id*256))/0xff00
+ fi
+ fi
+ fi
+}
+
+mwan3_create_policies_iptables()
+{
+ local last_resort lowest_metric_v4 lowest_metric_v6 total_weight_v4 total_weight_v6 policy IPT
+
+ policy="$1"
+
+ config_get last_resort $1 last_resort unreachable
+
+ if [ "$1" != $(echo "$1" | cut -c1-15) ]; then
+ $LOG warn "Policy $1 exceeds max of 15 chars. Not setting policy" && return 0
+ fi
+
+ for IPT in "$IPT4" "$IPT6"; do
+
+ if ! $IPT -S mwan3_policy_$1 &> /dev/null; then
+ $IPT -N mwan3_policy_$1
+ fi
+
+ $IPT -F mwan3_policy_$1
+
+ case "$last_resort" in
+ blackhole)
+ $IPT -A mwan3_policy_$1 -m mark --mark 0x0/0xff00 -m comment --comment "blackhole" -j MARK --set-xmark 0xfd00/0xff00
+ ;;
+ default)
+ $IPT -A mwan3_policy_$1 -m mark --mark 0x0/0xff00 -m comment --comment "default" -j MARK --set-xmark 0xff00/0xff00
+ ;;
+ *)
+ $IPT -A mwan3_policy_$1 -m mark --mark 0x0/0xff00 -m comment --comment "unreachable" -j MARK --set-xmark 0xfe00/0xff00
+ ;;
+ esac
+ done
+
+ lowest_metric_v4=256
+ total_weight_v4=0
+
+ lowest_metric_v6=256
+ total_weight_v6=0
+
+ config_list_foreach $1 use_member mwan3_set_policy
+}
+
+mwan3_set_sticky_iptables()
+{
+ local id
+
+ mwan3_get_iface_id id $1
+
+ [ -n "$id" ] || return 0
+
+ $IPS -! create mwan3_sticky_v4_$rule hash:ip,mark markmask 0xff00 timeout $timeout
+ $IPS -! create mwan3_sticky_v6_$rule hash:ip,mark markmask 0xff00 timeout $timeout family inet6
+ $IPS -! create mwan3_sticky_$rule list:set
+ $IPS -! add mwan3_sticky_$rule mwan3_sticky_v4_$rule
+ $IPS -! add mwan3_sticky_$rule mwan3_sticky_v6_$rule
+
+ for IPT in "$IPT4" "$IPT6"; do
+ if [ -n "$($IPT -S mwan3_iface_$1 2> /dev/null)" ]; then
+ $IPT -I mwan3_rule_$rule -m set ! --match-set mwan3_sticky_$rule src,src -j MARK --set-xmark 0x0/0xff00
+ $IPT -I mwan3_rule_$rule -m mark --mark 0/0xff00 -j MARK --set-xmark $(($id*256))/0xff00
+ fi
+ done
+}
+
+mwan3_set_user_iptables_rule()
+{
+ local ipset family proto policy src_ip src_port sticky dest_ip dest_port use_policy timeout rule policy IPT
+
+ rule="$1"
+
+ config_get sticky $1 sticky 0
+ config_get timeout $1 timeout 600
+ config_get ipset $1 ipset
+ 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
+ config_get family $1 family any
+
+ if [ "$1" != $(echo "$1" | cut -c1-15) ]; then
+ $LOG warn "Rule $1 exceeds max of 15 chars. Not setting rule" && return 0
+ fi
+
+ if [ -n "$ipset" ]; then
+ if [ -z "$($IPS -n list $ipset 2> /dev/null)" ]; then
+ $IPS create $ipset list:set
+ $IPS create v4_$ipset hash:ip timeout 3600
+ $IPS create v6_$ipset hash:ip timeout 3600 family inet6
+ $IPS add $ipset v4_$ipset
+ $IPS add $ipset v6_$ipset
+ fi
+
+ ipset="-m set --match-set $ipset dst"
+ fi
+
+ if [ -n "$use_policy" ]; then
+ if [ "$use_policy" == "default" ]; then
+ policy="MARK --set-xmark 0xff00/0xff00"
+ elif [ "$use_policy" == "unreachable" ]; then
+ policy="MARK --set-xmark 0xfe00/0xff00"
+ elif [ "$use_policy" == "blackhole" ]; then
+ policy="MARK --set-xmark 0xfd00/0xff00"
+ else
+ if [ "$sticky" -eq 1 ]; then
+
+ policy="mwan3_policy_$use_policy"
+
+ config_foreach mwan3_set_sticky_iptables interface
+
+ for IPT in "$IPT4" "$IPT6"; do
+ if ! $IPT -S $policy &> /dev/null; then
+ $IPT -N $policy
+ fi
+
+ if ! $IPT -S mwan3_rule_$1 &> /dev/null; then
+ $IPT -N mwan3_rule_$1
+ fi
+
+ $IPT -F mwan3_rule_$1
+
+ $IPT -A mwan3_rule_$1 -m mark --mark 0/0xff00 -j $policy
+ $IPT -A mwan3_rule_$1 -m mark ! --mark 0xfc00/0xfc00 -j SET --del-set mwan3_sticky_$rule src,src
+ $IPT -A mwan3_rule_$1 -m mark ! --mark 0xfc00/0xfc00 -j SET --add-set mwan3_sticky_$rule src,src
+ done
+
+ policy="mwan3_rule_$1"
+ else
+ policy="mwan3_policy_$use_policy"
+
+ for IPT in "$IPT4" "$IPT6"; do
+ if ! $IPT -S $policy &> /dev/null; then
+ $IPT -N $policy
+ fi
+ done
+
+ fi
+ fi
+
+ if [ "$family" == "any" ]; then
+
+ for IPT in "$IPT4" "$IPT6"; do
+ case $proto in
+ tcp|udp)
+ $IPT -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m multiport --sports $src_port -m multiport --dports $dest_port -m mark --mark 0/0xff00 -m comment --comment "$1" -j $policy &> /dev/null
+ ;;
+ *)
+ $IPT -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m mark --mark 0/0xff00 -m comment --comment "$1" -j $policy &> /dev/null
+ ;;
+ esac
+ done
+
+ elif [ "$family" == "ipv4" ]; then
+
+ case $proto in
+ tcp|udp)
+ $IPT4 -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m multiport --sports $src_port -m multiport --dports $dest_port -m mark --mark 0/0xff00 -m comment --comment "$1" -j $policy &> /dev/null
+ ;;
+ *)
+ $IPT4 -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m mark --mark 0/0xff00 -m comment --comment "$1" -j $policy &> /dev/null
+ ;;
+ esac
+
+ elif [ "$family" == "ipv6" ]; then
+
+ case $proto in
+ tcp|udp)
+ $IPT6 -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m multiport --sports $src_port -m multiport --dports $dest_port -m mark --mark 0/0xff00 -m comment --comment "$1" -j $policy &> /dev/null
+ ;;
+ *)
+ $IPT6 -A mwan3_rules -p $proto -s $src_ip -d $dest_ip $ipset -m mark --mark 0/0xff00 -m comment --comment "$1" -j $policy &> /dev/null
+ ;;
+ esac
+ fi
+ fi
+}
+
+mwan3_set_user_rules()
+{
+ local IPT
+
+ for IPT in "$IPT4" "$IPT6"; do
+
+ if ! $IPT -S mwan3_rules &> /dev/null; then
+ $IPT -N mwan3_rules
+ fi
+
+ $IPT -F mwan3_rules
+ done
+
+ config_foreach mwan3_set_user_iptables_rule rule
+}
+
+mwan3_report_iface_status()
+{
+ local device result track_ips tracking IP IPT
+
+ mwan3_get_iface_id id $1
+ network_get_device device $1
+ config_get enabled "$1" enabled 0
+ config_get family "$1" family ipv4
+
+ if [ "$family" == "ipv4" ]; then
+ IP="$IP4"
+ IPT="$IPT4"
+ fi
+
+ if [ "$family" == "ipv6" ]; then
+ IP="$IP6"
+ IPT="$IPT6"
+ fi
+
+ if [ -z "$id" -o -z "$device" ]; then
+ result="unknown"
+ elif [ -n "$($IP rule | awk '$1 == "'$(($id+1000)):'"')"i -a -n "$($IP rule | awk '$1 == "'$(($id+2000)):'"')" -a -n "$($IPT -S mwan3_iface_in_$1 2> /dev/null)" -a -n "$($IPT -S mwan3_iface_out_$1 2> /dev/null)" -a -n "$($IP route list table $id default dev $device 2> /dev/null)" ]; then
+ result="online"
+ elif [ -n "$($IP rule | awk '$1 == "'$(($id+1000)):'"')" -o -n "$($IP rule | awk '$1 == "'$(($id+2000)):'"')" -o -n "$($IPT -S mwan3_iface_in_$1 2> /dev/null)" -o -n "$($IPT -S mwan3_iface_out_$1 2> /dev/null)" -o -n "$($IP route list table $id default dev $device 2> /dev/null)" ]; then
+ result="error"
+ else
+ if [ "$enabled" == "1" ]; then
+ result="offline"
+ else
+ result="disabled"
+ fi
+ fi
+
+ mwan3_list_track_ips()
+ {
+ track_ips="$1 $track_ips"
+ }
+ config_list_foreach $1 track_ip mwan3_list_track_ips
+
+ if [ -n "$track_ips" ]; then
+ 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
+ else
+ tracking="not enabled"
+ fi
+
+ echo " interface $1 is $result and tracking is $tracking"
+}
+
+mwan3_report_policies_v4()
+{
+ local percent policy share total_weight weight iface
+
+ for policy in $($IPT4 -S | awk '{print $2}' | grep mwan3_policy_ | sort -u); do
+ echo "$policy:" | sed 's/mwan3_policy_//'
+
+ [ -n "$total_weight" ] || total_weight=$($IPT4 -S $policy | cut -s -d'"' -f2 | head -1 | awk '{print $3}')
+
+ if [ ! -z "${total_weight##*[!0-9]*}" ]; then
+ for iface in $($IPT4 -S $policy | cut -s -d'"' -f2 | awk '{print $1}'); do
+ weight=$($IPT4 -S $policy | cut -s -d'"' -f2 | awk '$1 == "'$iface'"' | awk '{print $2}')
+ percent=$(($weight*100/$total_weight))
+ echo " $iface ($percent%)"
+ done
+ else
+ echo " $($IPT4 -S $policy | sed '/.*--comment \([^ ]*\) .*$/!d;s//\1/;q')"
+ fi
+
+ unset total_weight
+
+ echo -e
+ done
+}
+
+mwan3_report_policies_v6()
+{
+ local percent policy share total_weight weight iface
+
+ for policy in $($IPT6 -S | awk '{print $2}' | grep mwan3_policy_ | sort -u); do
+ echo "$policy:" | sed 's/mwan3_policy_//'
+
+ [ -n "$total_weight" ] || total_weight=$($IPT6 -S $policy | cut -s -d'"' -f2 | head -1 | awk '{print $3}')
+
+ if [ ! -z "${total_weight##*[!0-9]*}" ]; then
+ for iface in $($IPT6 -S $policy | cut -s -d'"' -f2 | awk '{print $1}'); do
+ weight=$($IPT6 -S $policy | cut -s -d'"' -f2 | awk '$1 == "'$iface'"' | awk '{print $2}')
+ percent=$(($weight*100/$total_weight))
+ echo " $iface ($percent%)"
+ done
+ else
+ echo " $($IPT6 -S $policy | sed '/.*--comment \([^ ]*\) .*$/!d;s//\1/;q')"
+ fi
+
+ unset total_weight
+
+ echo -e
+ done
+}
+
+mwan3_report_connected_v4()
+{
+ local address
+
+ if [ -n "$($IPT4 -S mwan3_connected 2> /dev/null)" ]; then
+ for address in $($IPS list mwan3_connected_v4 | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}'); do
+ echo " $address"
+ done
+ fi
+}
+
+mwan3_report_connected_v6()
+{
+ local address
+
+ if [ -n "$($IPT6 -S mwan3_connected 2> /dev/null)" ]; then
+ for address in $($IPS list mwan3_connected_v6 | egrep '([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])'); do
+ echo " $address"
+ done
+ fi
+}
+
+mwan3_report_rules_v4()
+{
+ if [ -n "$($IPT4 -S mwan3_rules 2> /dev/null)" ]; then
+ $IPT4 -L mwan3_rules -n -v 2> /dev/null | tail -n+3 | sed 's/mark.*//' | sed 's/mwan3_policy_/- /' | sed 's/mwan3_rule_/S /'
+ fi
+}
+
+mwan3_report_rules_v6()
+{
+ if [ -n "$($IPT6 -S mwan3_rules 2> /dev/null)" ]; then
+ $IPT6 -L mwan3_rules -n -v 2> /dev/null | tail -n+3 | sed 's/mark.*//' | sed 's/mwan3_policy_/- /' | sed 's/mwan3_rule_/S /'
+ fi
+}
#!/bin/sh
-if [ -x /usr/sbin/ip ]; then
- IP="/usr/sbin/ip -4"
-elif [ -x /usr/bin/ip ]; then
- IP="/usr/bin/ip -4"
-else
- exit 1
-fi
-
-if [ -x /usr/sbin/ipset ]; then
- IPS="/usr/sbin/ipset"
-else
- exit 1
-fi
-
-if [ -x /usr/sbin/iptables ]; then
- IPT="/usr/sbin/iptables -t mangle -w"
-else
- exit 1
-fi
+[ -x /usr/bin/ip ] || exit 4
+[ -x /usr/sbin/ipset ] || exit 5
+[ -x /usr/sbin/iptables ] || exit 6
+[ -x /usr/sbin/ip6tables ] || exit 7
+[ -x /usr/bin/logger ] || exit 8
. /lib/functions.sh
+. /lib/functions/network.sh
+. /lib/mwan3/mwan3.sh
help()
{
ifup <iface> Load rules and routes for specific interface
ifdown <iface> Unload rules and routes for specific interface
interfaces Show interfaces status
- policies Show policies status
- rules Show rules status
+ policies Show currently active policy
+ connected Show directly connected networks
+ rules Show active rules
status Show all status
EOF
echo "Error: Too many arguments. Usage: mwan3 ifdown <interface>" && exit 0
fi
+ ACTION=ifdown INTERFACE=$1 /sbin/hotplug-call iface
+
if [ -e /var/run/mwan3track-$1.pid ] ; then
kill $(cat /var/run/mwan3track-$1.pid)
rm /var/run/mwan3track-$1.pid
fi
-
- ACTION=ifdown INTERFACE=$1 /sbin/hotplug-call iface
}
ifup()
interfaces()
{
- local device enabled iface_id tracking
-
config_load mwan3
echo "Interface status:"
-
- check_iface_status()
- {
- let iface_id++
- device=$(uci -p /var/state get network.$1.ifname) &> /dev/null
-
- if [ -z "$device" ]; then
- echo " interface $1 is unknown"
- return 0
- fi
-
- config_get enabled "$1" enabled 0
-
- if [ -n "$(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 "$($IPT -S mwan3_iface_$1 2> /dev/null)" -a -n "$($IP route list table $iface_id default dev $device 2> /dev/null)" ]; then
- if [ -n "$(uci -p /var/state get 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 "$($IPT -S mwan3_iface_$1 2> /dev/null)" -o -n "$($IP 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 -p /var/state get 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
+ config_foreach mwan3_report_iface_status interface
echo -e
}
policies()
{
- local percent policy share total_weight weight iface
-
- for policy in $($IPT -S | awk '{print $2}' | grep mwan3_policy_ | sort -u); do
- echo "Policy $policy:" | sed 's/mwan3_policy_//'
-
- [ -n "$total_weight" ] || total_weight=$($IPT -S $policy | cut -s -d'"' -f2 | head -1 | awk '{print $3}')
-
- if [ ! -z "${total_weight##*[!0-9]*}" ]; then
- for iface in $($IPT -S $policy | cut -s -d'"' -f2 | awk '{print $1}'); do
- weight=$($IPT -S $policy | cut -s -d'"' -f2 | awk '$1 == "'$iface'"' | awk '{print $2}')
- percent=$(($weight*100/$total_weight))
- echo " $iface ($percent%)"
- done
- else
- echo " $($IPT -S $policy | sed '/.*--comment \([^ ]*\) .*$/!d;s//\1/;q')"
- fi
-
- echo -e
+ echo "Current ipv4 policies:"
+ mwan3_report_policies_v4
+ echo "Current ipv6 policies:"
+ mwan3_report_policies_v6
+}
- unset iface
- unset total_weight
- done
+connected()
+{
+ echo "Directly connected ipv4 networks:"
+ mwan3_report_connected_v4
+ echo -e
+ echo "Directly connected ipv6 networks:"
+ mwan3_report_connected_v6
+ echo -e
}
+
rules()
{
- local address
-
- if [ -n "$($IPT -S mwan3_connected 2> /dev/null)" ]; then
- echo "Known networks:"
- for address in $($IPS list mwan3_connected | egrep '[0-9]{1,3}(\.[0-9]{1,3}){3}'); do
- echo " $address"
- done
- echo -e
- fi
-
- if [ -n "$($IPT -S mwan3_rules 2> /dev/null)" ]; then
- echo "Active rules:"
- $IPT -L mwan3_rules -n -v 2> /dev/null | tail -n+3 | sed 's/mark.*//' | sed 's/mwan3_policy_/- /' | sed 's/mwan3_rule_/S /'
- echo -e
- fi
+ echo "Active ipv4 user rules:"
+ mwan3_report_rules_v4
+ echo -e
+ echo "Active ipv6 user rules:"
+ mwan3_report_rules_v6
+ echo -e
}
status()
{
interfaces
policies
+ connected
rules
}
stop()
{
- local ipset route rule table
+ local ipset route rule table IP IPT
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 route flush table $route &> /dev/null
- done
+ for IP in "$IP4" "$IP6"; do
- for rule in $($IP rule list | egrep '^[1-2][0-9]{3}\:' | cut -d ':' -f 1); do
- $IP rule del pref $rule &> /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 route flush table $route &> /dev/null
+ done
+
+ for rule in $($IP rule list | egrep '^[1-2][0-9]{3}\:' | cut -d ':' -f 1); do
+ $IP rule del pref $rule &> /dev/null
+ done
done
- $IPT -D PREROUTING -j mwan3_hook &> /dev/null
- $IPT -D OUTPUT -j mwan3_hook &> /dev/null
+ for IPT in "$IPT4" "$IPT6"; do
- for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
- $IPT -F $table &> /dev/null
- done
+ $IPT -D PREROUTING -j mwan3_hook &> /dev/null
+ $IPT -D OUTPUT -j mwan3_hook &> /dev/null
- for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
- $IPT -X $table &> /dev/null
+ for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
+ $IPT -F $table &> /dev/null
+ done
+
+ for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
+ $IPT -X $table &> /dev/null
+ done
done
- for ipset in $(ipset -n list | grep mwan3); do
+ for ipset in $($IPS -n list | sort | grep mwan3); do
$IPS destroy $ipset
done
}
}
case "$1" in
- ifup|ifdown|interfaces|policies|rules|status|start|stop|restart)
+ ifup|ifdown|interfaces|policies|connected|rules|status|start|stop|restart)
$*
;;
*)
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