#!/bin/sh

NETNS=soghancq
IP=/sbin/ip
NS="$IP netns exec $NETNS"

#
#   Set ip forwarding.
#   Do it from /ete/sysctl.conf
#sysctl -w net.ipv4.ip_forward=1

#
#   Create network namesapce.
#
$IP netns add $NETNS

#
#   Peer to peer to default namespace.
#
$IP link add veth0 type veth peer name veth1
$IP addr add 10.1.1.1/30 dev veth0
$IP link set veth0 up

$IP link set veth1 netns $NETNS
$NS $IP addr add 10.1.1.2/30 dev veth1
$NS $IP link set veth1 up
$NS $IP route add 127.0.0.0/24 via 10.1.1.1 metric 5
$NS $IP route add 192.168.0.0/24 via 10.1.1.1 metric 5
#$NS $IP route add 8.8.8.8 via 10.1.1.1 metric 5

#
#   Configure tun0 which goes through socks5.
#
$NS $IP tuntap add dev tun0 mode tun user root
$IP link set tun0 netns $NETNS
$NS $IP addr add 10.0.0.1/24 dev tun0
$NS $IP link set dev tun0 up
$NS $IP route add default via 10.0.0.2 metric 6
#$NS /usr/local/sbin/tun2socks \
#    --tundev tun0 \
#    --netif-ipaddr 10.0.0.2 \
#    --netif-netmask 255.255.255.0 \
#    --socks-server-addr 127.0.0.1:1080 \
#    --udpgw-remote-server-addr 127.0.0.1:7300 &