net/mwan3/files/usr/sbin/mwan3

   1 #!/bin/sh
   2
   3 [ -x /usr/bin/ip ] || exit 4
   4 [ -x /usr/sbin/ipset ] || exit 5
   5 [ -x /usr/sbin/iptables ] || exit 6
   6 [ -x /usr/sbin/ip6tables ] || exit 7
   7 [ -x /usr/bin/logger ] || exit 8
   8
   9 . /lib/functions.sh
  10 . /lib/functions/network.sh
  11 . /lib/mwan3/mwan3.sh
  12
  13 help()
  14 {
  15         cat <<EOF
  16 Syntax: mwan3 [command]
  17
  18 Available commands:
  19         start           Load iptables rules, ip rules and ip routes
  20         stop            Unload iptables rules, ip rules and ip routes
  21         restart         Reload iptables rules, ip rules and ip routes
  22         ifup <iface>    Load rules and routes for specific interface
  23         ifdown <iface>  Unload rules and routes for specific interface
  24         interfaces      Show interfaces status
  25         policies        Show currently active policy
  26         connected       Show directly connected networks
  27         rules           Show active rules
  28         status          Show all status
  29
  30 EOF
  31 }
  32
  33 ifdown()
  34 {
  35         if [ -z "$1" ]; then
  36                 echo "Error: Expecting interface. Usage: mwan3 ifdown <interface>" && exit 0
  37         fi
  38
  39         if [ -n "$2" ]; then
  40                 echo "Error: Too many arguments. Usage: mwan3 ifdown <interface>" && exit 0
  41         fi
  42
  43         ACTION=ifdown INTERFACE=$1 /sbin/hotplug-call iface
  44
  45         if [ -e /var/run/mwan3track-$1.pid ] ; then
  46                 kill $(cat /var/run/mwan3track-$1.pid)
  47                 rm /var/run/mwan3track-$1.pid
  48         fi
  49 }
  50
  51 ifup()
  52 {
  53         local device enabled
  54
  55         config_load mwan3
  56
  57         if [ -z "$1" ]; then
  58                 echo "Expecting interface. Usage: mwan3 ifup <interface>" && exit 0
  59         fi
  60
  61         if [ -n "$2" ]; then
  62                 echo "Too many arguments. Usage: mwan3 ifup <interface>" && exit 0
  63         fi
  64
  65         config_get enabled "$1" enabled 0
  66
  67         device=$(uci -p /var/state get network.$1.ifname) &> /dev/null
  68
  69         if [ -n "$device" ] ; then
  70                 [ "$enabled" -eq 1 ] && ACTION=ifup INTERFACE=$1 DEVICE=$device /sbin/hotplug-call iface
  71         fi
  72 }
  73
  74 interfaces()
  75 {
  76         config_load mwan3
  77
  78         echo "Interface status:"
  79         config_foreach mwan3_report_iface_status interface
  80         echo -e
  81 }
  82
  83 policies()
  84 {
  85         echo "Current ipv4 policies:"
  86         mwan3_report_policies_v4
  87         echo -e
  88         echo "Current ipv6 policies:"
  89         mwan3_report_policies_v6
  90         echo -e
  91 }
  92
  93 connected()
  94 {
  95         echo "Directly connected ipv4 networks:"
  96         mwan3_report_connected_v4
  97         echo -e
  98         echo "Directly connected ipv6 networks:"
  99         mwan3_report_connected_v6
 100         echo -e
 101 }
 102
 103 rules()
 104 {
 105         echo "Active ipv4 user rules:"
 106         mwan3_report_rules_v4
 107         echo -e
 108         echo "Active ipv6 user rules:"
 109         mwan3_report_rules_v6
 110         echo -e
 111 }
 112
 113 status()
 114 {
 115         interfaces
 116         policies
 117         connected
 118         rules
 119 }
 120
 121 start()
 122 {
 123         config_load mwan3
 124         config_foreach ifup interface
 125 }
 126
 127 stop()
 128 {
 129         local ipset route rule table IP IPT
 130
 131         killall mwan3track &> /dev/null
 132         rm /var/run/mwan3track-* &> /dev/null
 133
 134         for IP in "$IP4" "$IP6"; do
 135
 136                 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
 137                         $IP route flush table $route &> /dev/null
 138                 done
 139
 140                 for rule in $($IP rule list | egrep '^[1-2][0-9]{3}\:' | cut -d ':' -f 1); do
 141                         $IP rule del pref $rule &> /dev/null
 142                 done
 143         done
 144
 145         for IPT in "$IPT4" "$IPT6"; do
 146
 147                 $IPT -D PREROUTING -j mwan3_hook &> /dev/null
 148                 $IPT -D OUTPUT -j mwan3_hook &> /dev/null
 149
 150                 for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
 151                         $IPT -F $table &> /dev/null
 152                 done
 153
 154                 for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
 155                         $IPT -X $table &> /dev/null
 156                 done
 157         done
 158
 159         for ipset in $($IPS -n list | grep mwan3_); do
 160                 $IPS -q destroy $ipset
 161         done
 162
 163         for ipset in $($IPS -n list | grep mwan3 | grep -E '_v4|_v6'); do
 164                 $IPS -q destroy $ipset
 165         done
 166 }
 167
 168 restart() {
 169         stop
 170         start
 171 }
 172
 173 case "$1" in
 174         ifup|ifdown|interfaces|policies|connected|rules|status|start|stop|restart)
 175                 $*
 176         ;;
 177         *)
 178                 help
 179         ;;
 180 esac
 181
 182 exit 0