SSH PPP VPN: Unterschied zwischen den Versionen
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Thomas (Diskussion | Beiträge) |
Thomas (Diskussion | Beiträge) |
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| (5 dazwischenliegende Versionen desselben Benutzers werden nicht angezeigt) | |||
| Zeile 1: | Zeile 1: | ||
| − | + | <pre> | |
| − | + | #!/bin/sh | |
| − | + | #SERVER_HOSTNAME=" gaius -p 22" | |
| − | + | test $# -ne 4 && ( echo $0 'start|stop PORT IP NETRANGE' ; exit 1 ) | |
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| − | + | SERVER_HOSTNAME=" $3 -p $2" | |
| − | + | LOCAL_NET=192.168.240.0/20 | |
| − | + | REMOTE_NET="$4" | |
| − | + | SERVER_USERNAME=root | |
| − | + | ######## | |
| + | SERVER_IFIPADDR=172.29.29.1 | ||
| + | CLIENT_IFIPADDR=172.29.29.3 | ||
| + | LOCAL_SSH_OPTS="-P" | ||
| − | exit | + | PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/bin/X11/: |
| + | |||
| + | PPPD=/usr/sbin/pppd | ||
| + | SSH=/usr/bin/ssh | ||
| + | ROUTE=/sbin/route | ||
| + | ADD_FORT="/sbin/sysctl -w net.ipv4.ip_forward=1" | ||
| + | DEl_FORT="/sbin/sysctl -w net.ipv4.ip_forward=0" | ||
| + | ADD_SNAT="/sbin/iptables -t nat -A POSTROUTING -s $LOCAL_NET -j MASQUERADE -o eth0" | ||
| + | DEL_SNAT="/sbin/iptables -t nat -D POSTROUTING -s $LOCAL_NET -j MASQUERADE -o eth0" | ||
| + | |||
| + | if ! test -f $PPPD ; then echo "can't find $PPPD"; exit 3; fi | ||
| + | if ! test -f $SSH ; then echo "can't find $SSH"; exit 4; fi | ||
| + | |||
| + | |||
| + | case "$1" in | ||
| + | start) | ||
| + | echo -n "Starting vpn to $SERVER_HOSTNAME: " | ||
| + | ${PPPD} updetach noauth passive pty "${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} -o Batchmode=yes ${PPPD} nodetach notty noauth" ipparam vpn ${CLIENT_IFIPADDR}:${SERVER_IFIPADDR} | ||
| + | ${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${ROUTE} add -net ${LOCAL_NET} gw ${CLIENT_IFIPADDR} | ||
| + | ${ROUTE} add -net ${REMOTE_NET} gw ${SERVER_IFIPADDR} | ||
| + | ${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${ADD_FORT} | ||
| + | ${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${ADD_SNAT} | ||
| + | |||
| + | # echo "connected." | ||
| + | ;; | ||
| + | |||
| + | stop) | ||
| + | # echo -n "Stopping vpn to $SERVER_HOSTNAME: " | ||
| + | ${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${DEL_SNAT} | ||
| + | PID=`ps ax | grep "${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} -o" | grep -v ' passive ' | grep -v 'grep ' | awk '{print $1}'` | ||
| + | if [ "${PID}" != "" ]; then | ||
| + | kill $PID | ||
| + | echo "disconnected." | ||
| + | else | ||
| + | echo "Failed to find PID for the connection" | ||
| + | fi | ||
| + | ;; | ||
| + | |||
| + | config) | ||
| + | echo "SERVER_HOSTNAME=$SERVER_HOSTNAME" | ||
| + | echo "SERVER_USERNAME=$SERVER_USERNAME" | ||
| + | echo "SERVER_IFIPADDR=$SERVER_IFIPADDR" | ||
| + | echo "CLIENT_IFIPADDR=$CLIENT_IFIPADDR" | ||
| + | ;; | ||
| + | esac | ||
| + | </pre> | ||
Aktuelle Version vom 5. November 2014, 09:31 Uhr
#!/bin/sh
#SERVER_HOSTNAME=" gaius -p 22"
test $# -ne 4 && ( echo $0 'start|stop PORT IP NETRANGE' ; exit 1 )
SERVER_HOSTNAME=" $3 -p $2"
LOCAL_NET=192.168.240.0/20
REMOTE_NET="$4"
SERVER_USERNAME=root
########
SERVER_IFIPADDR=172.29.29.1
CLIENT_IFIPADDR=172.29.29.3
LOCAL_SSH_OPTS="-P"
PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/bin/X11/:
PPPD=/usr/sbin/pppd
SSH=/usr/bin/ssh
ROUTE=/sbin/route
ADD_FORT="/sbin/sysctl -w net.ipv4.ip_forward=1"
DEl_FORT="/sbin/sysctl -w net.ipv4.ip_forward=0"
ADD_SNAT="/sbin/iptables -t nat -A POSTROUTING -s $LOCAL_NET -j MASQUERADE -o eth0"
DEL_SNAT="/sbin/iptables -t nat -D POSTROUTING -s $LOCAL_NET -j MASQUERADE -o eth0"
if ! test -f $PPPD ; then echo "can't find $PPPD"; exit 3; fi
if ! test -f $SSH ; then echo "can't find $SSH"; exit 4; fi
case "$1" in
start)
echo -n "Starting vpn to $SERVER_HOSTNAME: "
${PPPD} updetach noauth passive pty "${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} -o Batchmode=yes ${PPPD} nodetach notty noauth" ipparam vpn ${CLIENT_IFIPADDR}:${SERVER_IFIPADDR}
${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${ROUTE} add -net ${LOCAL_NET} gw ${CLIENT_IFIPADDR}
${ROUTE} add -net ${REMOTE_NET} gw ${SERVER_IFIPADDR}
${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${ADD_FORT}
${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${ADD_SNAT}
# echo "connected."
;;
stop)
# echo -n "Stopping vpn to $SERVER_HOSTNAME: "
${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} ${DEL_SNAT}
PID=`ps ax | grep "${SSH} ${LOCAL_SSH_OPTS} ${SERVER_HOSTNAME} -l${SERVER_USERNAME} -o" | grep -v ' passive ' | grep -v 'grep ' | awk '{print $1}'`
if [ "${PID}" != "" ]; then
kill $PID
echo "disconnected."
else
echo "Failed to find PID for the connection"
fi
;;
config)
echo "SERVER_HOSTNAME=$SERVER_HOSTNAME"
echo "SERVER_USERNAME=$SERVER_USERNAME"
echo "SERVER_IFIPADDR=$SERVER_IFIPADDR"
echo "CLIENT_IFIPADDR=$CLIENT_IFIPADDR"
;;
esac