diff options
| -rw-r--r-- | config/autotunnel/example.conf | 9 | ||||
| -rwxr-xr-x | scripts/autotunnel | 21 | ||||
| -rw-r--r-- | system/autotunnel@.service | 11 |
3 files changed, 41 insertions, 0 deletions
diff --git a/config/autotunnel/example.conf b/config/autotunnel/example.conf new file mode 100644 index 0000000..3a348b4 --- /dev/null +++ b/config/autotunnel/example.conf @@ -0,0 +1,9 @@ +# Configuration file for autotunnel + +# Define a host to connect to +# Must be resolvable or better even set up in /root/.ssh/config +HOST=<hostname> + +# Define a tun device number to use +# Make sure the same device is not used elsewhere on localhost and the machine to connect to! +TUN_DEVICE=<a number> diff --git a/scripts/autotunnel b/scripts/autotunnel new file mode 100755 index 0000000..230940d --- /dev/null +++ b/scripts/autotunnel @@ -0,0 +1,21 @@ +#!/usr/bin/env bash + +if [ -z "$SERVER_ALIVE_INTERVAL" ];then + SERVER_ALIVE_INTERVAL=45 +fi + +if [ -z "$SERVER_ALIVE_COUNT_MAX" ];then + SERVER_ALIVE_INTERVAL=2 +fi + +if [ -z "$MONITORING_PORT" ];then + MONITORING_PORT=0 +fi + +/usr/bin/autossh -M "$MONITORING_PORT" \ + -NCTv \ + -o ServerAliveInterval="$SERVER_ALIVE_INTERVAL" \ + -o ServerAliveCountMax="$SERVER_ALIVE_COUNT_MAX" \ + -o TCPKeepAlive=yes \ + -w $TUN_DEVICE:$TUN_DEVICE \ + $HOST diff --git a/system/autotunnel@.service b/system/autotunnel@.service new file mode 100644 index 0000000..b128cac --- /dev/null +++ b/system/autotunnel@.service @@ -0,0 +1,11 @@ +[Unit] +Description=AutoSSH managed SSH tunnel to predefined host +After=network.target + +[Service] +Environment="AUTOSSH_GATETIME=0" +EnvironmentFile=/etc/autotunnel/%I.conf +ExecStart=/usr/lib/systemd/scripts/tunnel-to-host + +[Install] +WantedBy=multi-user.target |