dotfiles

commit ec52fd254e900eba75bfd01c9d1560503fdff4f8
parent 4eaee0b9ab534641cf9260ea63b01b3e54bc90b1
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Fri, 18 Sep 2020 12:17:23 +0200

Merge branch 'master' of src.adamsgaard.dk:dotfiles

Diffstat:
A
.local/bin/ssh-tunnel-adamsgaard
 | 
22
++++++++++++++++++++++

1 file changed, 22 insertions(+), 0 deletions(-)
diff --git a/.local/bin/ssh-tunnel-adamsgaard b/.local/bin/ssh-tunnel-adamsgaard
@@ -0,0 +1,22 @@
+#!/bin/sh
+# add some cron entry to keep the tunnel alive across reconnects:
+# */2 *  * * *  ~/.local/bin/ssh-tunnel-adamsgaard >/dev/null 2>&1
+remote="adamsgaard.dk"
+identity="~/.ssh/id_rsa_ad"
+
+die() {
+	printf '%s: error: %s\n' "$1" >&2
+	exit 1
+}
+
+create_tunnel() {
+	if ssh -i "$identity" -f -N -R 10022:localhost:22 -L19922:"$remote":22 "$remote" >/dev/null; then
+		printf 'tunnel to %s created successfully\n' "$remote"
+	else
+		die "could not create tunnel to $remote ($?)"
+	fi
+}
+
+if ! ssh -i "$identity" -p 19922 localhost ls >/dev/null 2>&1; then
+	create_tunnel
+fi