Hello all, I have a problem with a script which came as part of a book example, the first line of the script after the #!/bin/sh line is simply this: SSH_DIR=/opt/ssh-dir, the directory exists and is readable by everyone, however when I run the script I receive this error: "SSH_DIR is a directory" the script then terminates, any ideas what this might be ??

regards

Pete Kane

I'm not sure about it, but if you want to set it as an env. variable, you must do
export SSH_DIR=/opt/ssh-dir
instead.

sorry the error message is: "/opt/ssh-dir is a directory", if I run the script as root the error message is: "/root is a directory"

regards

Pete Kane

Hi,

Can you post more of your script? cause, it's probably when the script uses "$SSH_DIR" variable that the script fails.

Oliv'

here it is in its entirety, thanks for your time


#!/bin/sh

# Change me to the appropriate location of
# your SSH VPN installation directory
SSH_VPN_DIR=/opt/ssh-vpn


# No changes should be necessary from here down.


vpn_config () {
vpn_network=$1

# Grab global variables
. $SSH_VPN_DIR/etc/ssh-vpn.conf || exit 0

# Grab vpn-specific variables
VPN_CONFIG=$SSH_VPN_DIR/etc/$vpn_network
. $VPN_CONFIG || exit 0

if [ "$client_debug" = "yes" ] ; then
set -x
client_pppd_args="$client_pppd_args debug"
fi
}

run_as_sshvpn () {
whoami=`$WHOAMI`
pwd=`pwd`
case "$whoami" in
root) exec $SU - $SSH_VPN_USER "-ccd $pwd;$0 $*";
exit 0; ;;
$SSH_VPN_USER) ;;
*) echo "$0 Must be run as $SSH_VPN_USER" >&2;
exit 1; ;;
esac
}

# Determine how we should behave:

if [ ! -z "$LINKNAME" ] ; then
# We were called as the ip-up script from pppd

vpn_config $LINKNAME

# Configure our new route
# sudo not needed -- we were run from pppd as root

# $IPREMOTE is set by pppd for us
[ "$server_network" ] && $ROUTE add -net $server_network gw $IPREMOTE

exit 0;

elif [ "$1" = "stop" ] ; then
# We were invoked init.d style, as one of the following:
# /etc/init.d/vpn-client stop vpn1
# /etc/init.d/vpn1 stop
# /etc/rcX.d/S##vpnname stop

[ "$2" ] && vpn_config "$2" \
|| vpn_config `basename $0 | sed -e 's/^[SK][0-9][0-9]//'`

# Kill off the pppd and stunnel processes
kill `head -1 $PIDDIR/ppp-$vpn_network.pid` 2>/dev/null
exit 0;

elif [ "$1" = "start" ] ; then
# started init.d style, similar to above.

[ "$2" ] && vpn_config "$2" \
|| vpn_config `basename $0 | sed -e 's/^[SK][0-9][0-9]//'`

run_as_sshvpn "$@" # Make sure we're not root, etc.

# Fall through to actual startup stuff.

elif [ $# -eq 1 ] ; then
vpn_config $1
run_as_sshvpn "$@" # Make sure we're not root, etc.

# Fall through to actual startup stuff.

else
echo "Usage: $0 destination start|stop" >&2
echo "Usage: $0 start|stop" >&2
echo "Usage: (if $0 is a vpn name)" >&2
exit 1
fi


# Universal ssh arguments
# (yes, that's two '-t' entries here)
SSH_ARGS="-oBatchMode=yes -enone -t -t"

# Universal pppd arguments
PPPD_ARGS="updetach lock connect-delay 10000 name $vpn_network-client \
user $vpn_network-client linkname $vpn_network \
remotename $vpn_network-server $client_pppd_args pty"

# Munge PPPD_ARGS for desired auth level
if [ "$client_require_pap" = "yes" ] ; then
PPPD_ARGS="require-pap $PPPD_ARGS"
elif [ "$client_require_chap" = "yes" ] ; then
PPPD_ARGS="require-chap $PPPD_ARGS"
else
PPPD_ARGS="noauth $PPPD_ARGS"
fi


# Start our pppd/ssh processes
$SUDO $PPPD $PPPD_ARGS \
"$SUDO -u $SSH_VPN_USER $SSH $SSH_ARGS $client_ssh_args $vpn_network"

Well, there's no SSH_DIR var in that script.... why don't you try
set -xv
as the first line, which will show you exactly what it's doing.

Quote:

root) exec $SU - $SSH_VPN_USER "-ccd $pwd;$0 $*";

I think the error comes from this line. Try to insert before and after a line like: echo "before error" and echo "after error" to know if I'm right If I'm right, we need to know more about ccd option to debug it

Oliv'

thanks to you both I'll give it a try when I'm back at my desk

regards

Pete Kane

Hello all, sorry for the delay in posting ( damn work !) the problem turned out to be blank lines at the end of the conf file, which is read on this line

# Grab global variables
. $SSH_VPN_DIR/etc/ssh-vpn.conf || exit 0

I have another problem now which is ppp authentication, but that's another story

regard and thanks for all your help

Pete Kane