gordon/TunnelKeeper
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Gordon Grant-Stuart 2022-12-05 21:15:19 +00:00
parent ec3e1196b3
commit 255040e009
4 changed files with 32 additions and 28 deletions
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1
.gitignore vendored Normal file
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@ -0,0 +1 @@
var/*

15
etc/tunnelkeeper.conf Normal file
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@ -0,0 +1,15 @@
[tunnelkeeper]
debug 0
[ssh] # Everything below here obeys the same rules as ~/.ssh/config
# Examples
# Host server1
# Hostname 123.45.67.89
# User ubuntu
# LocalForward 10001 127.0.0.1:22
#
# Host server1
# Hostname 123.45.67.90
# User ubuntu
# LocalForward 10002 127.0.0.1:22

15
etc/tunnels.conf.example
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@ -1,15 +0,0 @@
#
# TunnelKeeper config file
#
#: debug 0
#
Host server1
Hostname 123.45.67.89
User ubuntu
LocalForward 10001 127.0.0.1:22
Host server1
Hostname 123.45.67.90
User ubuntu
LocalForward 10002 127.0.0.1:22

29
tunnelkeeper
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@ -3,12 +3,16 @@
REALPATH="$(realpath $0)"
BASEDIR="${REALPATH%/*}"
mkdir -p "$BASEDIR/var"
mkdir -p "$BASEDIR/etc"
CONFFILE="$BASEDIR/etc/tunnels.conf"
rm $BASEDIR/var/*.conf &>/dev/null # Create separate .conf files in var/ from etc/tunnelkeeper.conf
awk -v "dir=$BASEDIR/var" '
/^\[/ {sec=$1; gsub("[\[\]]","",sec)}
!/^\[/ {print >> dir"/"sec".conf"}' < $BASEDIR/etc/tunnelkeeper.conf
if [[ ! -f "$CONFFILE" ]]; then
echo "Config file \"$CONFFILE\" does not exist"
SSHCONF="$BASEDIR/var/ssh.conf"
TKCONF="$BASEDIR/var/tunnelkeeper.conf"
if [[ ! -f "$SSHCONF" ]]; then
echo "Config file \"$SSHCONF\" does not exist"
exit 1
fi
@ -19,7 +23,7 @@ function ruroot () {
fi
}
DEBUGLEVEL=$(cat "$CONFFILE" | grep -i "#: *debug" | grep -o [0-9])
DEBUGLEVEL=$(cat $TKCONF | grep -i "debug" | grep -o [0-9])
case "$DEBUGLEVEL" in
2) dbgopt='-v';;
3) dbgopt='-vvv';;
@ -36,7 +40,7 @@ case "$1" in
FORKSTART )
touch "$BASEDIR/var/${2}.connected"
while [[ -e "$BASEDIR/var/${2}.connected" ]]; do
ssh -F "${CONFFILE}" $dbgopt -N $2 2>&1 | dbg
ssh -F "${SSHCONF}" $dbgopt -N $2 2>&1 | dbg
sleep 5
done
;;
@ -45,12 +49,12 @@ case "$1" in
start)
[[ -e "$BASEDIR/var/tunnelkeeper.pid" ]] && exit
echo $$ > "$BASEDIR/var/tunnelkeeper.pid"
cat "$CONFFILE" | awk '/^Host / {print $2}' | xargs -I% -P0 $0 FORKSTART % &
cat "$SSHCONF" | awk '/^Host / {print $2}' | xargs -I% -P0 $0 FORKSTART % &
;;
stop)
rm "$BASEDIR/var/tunnelkeeper.pid"
cat "$CONFFILE" | awk '/^Host / {print $2}' | sed 's/^Host //' | xargs -I% -P0 $0 FORKDEL %
cat "$CONFFILE" | grep -o 'LocalForward [0-9]* ' | grep -o '[0-9]*' | xargs -I% -P0 $0 FORKKILL %
cat "$SSHCONF" | awk '/^Host / {print $2}' | sed 's/^Host //' | xargs -I% -P0 $0 FORKDEL %
cat "$SSHCONF" | grep -o 'LocalForward [0-9]* ' | grep -o '[0-9]*' | xargs -I% -P0 $0 FORKKILL %
;;
restart) $0 stop; sleep 2; $0 start ;;
install )
@ -58,8 +62,7 @@ case "$1" in
mkdir -p /opt/tunnelkeeper/var
mkdir -p /opt/tunnelkeeper/etc
if [[ "$BASEDIR" != '/opt/tunnelkeeper/' ]]; then
cp -n "$BASEDIR/etc/tunnels.conf" /opt/tunnelkeeper/etc
cp "$BASEDIR/etc/tunnels.conf.example" /opt/tunnelkeeper/etc
cp -n "$BASEDIR/etc/tunnelkeeper.conf" /opt/tunnelkeeper/etc/
cp "$REALPATH" "/opt/tunnelkeeper/tunnelkeeper"
fi
ln -f -s /opt/tunnelkeeper/tunnelkeeper /usr/local/bin/tunnelkeeper
@ -96,7 +99,7 @@ WantedBy=multi-user.target" > /lib/systemd/system/tunnelkeeper.service
;;
config )
ruroot
vi "$CONFFILE"
vi "$BASEDIR/etc/tunnelkeeper.conf"
;;
* )
echo -e "\nUsage: $(basename $0) start|stop|restart|install|uninstall|config|list\n"