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         fi
  48 }
  49
  50 ifup()
  51 {
  52         local device enabled
  53
  54         config_load mwan3
  55
  56         if [ -z "$1" ]; then
  57                 echo "Expecting interface. Usage: mwan3 ifup <interface>" && exit 0
  58         fi
  59
  60         if [ -n "$2" ]; then
  61                 echo "Too many arguments. Usage: mwan3 ifup <interface>" && exit 0
  62         fi
  63
  64         config_get enabled "$1" enabled 0
  65
  66         device=$(uci -p /var/state get network.$1.ifname) &> /dev/null
  67
  68         if [ -n "$device" ] ; then
  69                 [ "$enabled" -eq 1 ] && ACTION=ifup INTERFACE=$1 DEVICE=$device /sbin/hotplug-call iface
  70         fi
  71 }
  72
  73 interfaces()
  74 {
  75         config_load mwan3
  76
  77         echo "Interface status:"
  78         config_foreach mwan3_report_iface_status interface
  79         echo -e
  80 }
  81
  82 policies()
  83 {
  84         echo "Current ipv4 policies:"
  85         mwan3_report_policies_v4
  86         echo -e
  87         echo "Current ipv6 policies:"
  88         mwan3_report_policies_v6
  89         echo -e
  90 }
  91
  92 connected()
  93 {
  94         echo "Directly connected ipv4 networks:"
  95         mwan3_report_connected_v4
  96         echo -e
  97         echo "Directly connected ipv6 networks:"
  98         mwan3_report_connected_v6
  99         echo -e
 100 }
 101
 102 rules()
 103 {
 104         echo "Active ipv4 user rules:"
 105         mwan3_report_rules_v4
 106         echo -e
 107         echo "Active ipv6 user rules:"
 108         mwan3_report_rules_v6
 109         echo -e
 110 }
 111
 112 status()
 113 {
 114         interfaces
 115         policies
 116         connected
 117         rules
 118 }
 119
 120 start()
 121 {
 122         config_load mwan3
 123         config_foreach ifup interface
 124 }
 125
 126 stop()
 127 {
 128         local ipset route rule table IP IPT
 129
 130         killall mwan3track &> /dev/null
 131
 132         for IP in "$IP4" "$IP6"; do
 133
 134                 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
 135                         $IP route flush table $route &> /dev/null
 136                 done
 137
 138                 for rule in $($IP rule list | egrep '^[1-2][0-9]{3}\:' | cut -d ':' -f 1); do
 139                         $IP rule del pref $rule &> /dev/null
 140                 done
 141         done
 142
 143         for IPT in "$IPT4" "$IPT6"; do
 144
 145                 $IPT -D PREROUTING -j mwan3_hook &> /dev/null
 146                 $IPT -D OUTPUT -j mwan3_hook &> /dev/null
 147
 148                 for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
 149                         $IPT -F $table &> /dev/null
 150                 done
 151
 152                 for table in $($IPT -S | awk '{print $2}' | grep mwan3 | sort -u); do
 153                         $IPT -X $table &> /dev/null
 154                 done
 155         done
 156
 157         for ipset in $($IPS -n list | grep mwan3_); do
 158                 $IPS -q destroy $ipset
 159         done
 160
 161         for ipset in $($IPS -n list | grep mwan3 | grep -E '_v4|_v6'); do
 162                 $IPS -q destroy $ipset
 163         done
 164 }
 165
 166 restart() {
 167         stop
 168         start
 169 }
 170
 171 case "$1" in
 172         ifup|ifdown|interfaces|policies|connected|rules|status|start|stop|restart)
 173                 $*
 174         ;;
 175         *)
 176                 help
 177         ;;
 178 esac
 179
 180 exit 0