From c3082e10a8c1dc477ec479ee5a5f127418ac4ede Mon Sep 17 00:00:00 2001
From: Vahagn Khachatryan <vahagn.khachatryan@gmail.com>
Date: Thu, 1 Aug 2019 13:48:24 +0100
Subject: [PATCH] tun2socks

---
 ssh_socks5.service | 22 ++++++++++++++++++++++
 tun2socks.service  | 20 ++++++++++++++++++++
 tun2socks_pre.sh   | 45 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 87 insertions(+)
 create mode 100644 ssh_socks5.service
 create mode 100644 tun2socks.service
 create mode 100644 tun2socks_pre.sh

diff --git a/ssh_socks5.service b/ssh_socks5.service
new file mode 100644
index 0000000..dffdbf5
--- /dev/null
+++ b/ssh_socks5.service
@@ -0,0 +1,22 @@
+# Automatically generated by systemd-sysv-generator
+
+[Unit]
+#SourcePath=/etc/init.d/rpcbind
+Description=SSH SOCKS5 to yerevak.vostan.org
+#DefaultDependencies=no
+Before=shutdown.target
+After=network-online.target local-fs.target
+Wants=network-online.target
+Conflicts=shutdown.target
+
+[Service]
+Type=simple
+User=vahagn
+Group=vahagn
+Restart=always
+RestartSec=2s
+WorkingDirectory=/tmp
+ExecStart=/usr/bin/ssh -N -D 0.0.0.0:1080 -i /home/vahagn/.ssh/id_rsa vahagn@yerevak.vostan.org
+
+[Install]
+WantedBy=multi-user.target
diff --git a/tun2socks.service b/tun2socks.service
new file mode 100644
index 0000000..d5d4ef0
--- /dev/null
+++ b/tun2socks.service
@@ -0,0 +1,20 @@
+# Automatically generated by systemd-sysv-generator
+
+[Unit]
+Description=tun0 to SOCKS5 tunel
+Before=shutdown.target
+After=network-online.target local-fs.target
+Wants=network-online.target ssh_socks5.service
+Conflicts=shutdown.target
+
+[Service]
+Type=simple
+Restart=always
+GuessMainPID=no
+RemainAfterExit=yes
+WorkingDirectory=/tmp
+ExecStartPre=/usr/local/sbin/tun2socks_pre.sh
+ExecStart=/sbin/ip netns exec soghancq /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
+
+[Install]
+WantedBy=multi-user.target
diff --git a/tun2socks_pre.sh b/tun2socks_pre.sh
new file mode 100644
index 0000000..51b9195
--- /dev/null
+++ b/tun2socks_pre.sh
@@ -0,0 +1,45 @@
+#!/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 &
+