Update on-demand PPTP configuration for free VPNs

update-freevpn.sh

#!/bin/sh
#
# Update freevpn.se pptp configuration
#
# Since the password changes now and then, it's useful to update it automatically.
# Make sure you've installed lynx. Tested on Debian.
#

URL=https://www.freevpn.se/accounts/
PEERNAME=freevpn.se

# Gather data
TMP=`mktemp -t pptpupdate.XXXXXXXXXX`
lynx -dump "$URL" >"$TMP"
HOST=`cat "$TMP" | sed 's/^.*IP:\s*\([\.0-9]\+\).*$/\1/p;d' | head -n 1`
USER=`cat "$TMP" | sed 's/^.*Username:\s*\(\w\+\).*$/\1/p;d' | head -n 1`
PASS=`cat "$TMP" | sed 's/^.*Password:\s*\(\S\+\).*$/\1/p;d' | head -n 1`

[ "$HOST" -a "$USER" -a "$PASS" ] || exit 1

# Regenerate peer config
cat >"/etc/ppp/peers/$PEERNAME" <<-EOF
        remotename $PEERNAME
        linkname $PEERNAME
        ipparam $PEERNAME
        pty "pptp '$HOST' --nolaunchpppd "
        name "$USER"
        require-mppe
        file /etc/ppp/options.pptp
EOF

# Update password
umask 077
grep -v '\b'"$PEERNAME"'\b' </etc/ppp/chap-secrets >/etc/ppp/chap-secrets.new &&
        echo "$USER $PEERNAME $PASS" >>/etc/ppp/chap-secrets.new &&
        mv /etc/ppp/chap-secrets.new /etc/ppp/chap-secrets

# Cleanup
rm -f "$TMP"

update-freevpnaccess.sh

# Make sure you've installed lynx. Tested on Debian.
#
# On-demand dial configuration, expects routing script in /etc/ppp/010route.
#
# If run with the "start" argument, the vpn will be started right away (on demand).
#
# Based on: https://gist.github.com/wvengen/4d6977afbb349ed369ddafdf02cdcc60
#

URL=http://freevpnaccess.com/
PEERNAME=freevpnaccess.com
COUNTRY=UK

# Gather data
TMP=`mktemp -t pptpupdate.XXXXXXXXXX`
lynx -dump "$URL" | grep '\b'"$COUNTRY"'\b.*\bPPTP\b' >"$TMP"
HOST=`cat "$TMP" | sed 's/^.*\s\([0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\)\s.*$/\1/p;d' | head -n 1`
PASS=`cat "$TMP" | sed 's/^.*\s\([0-9][0-9][0-9][0-9]\)\s*$/\1/p;d' | head -n 1`
USER=freevpnaccess.com

[ "$HOST" -a "$USER" -a "$PASS" ] || exit 1

# Regenerate peer config
cat >"/etc/ppp/peers/$PEERNAME" <<-EOF
        remotename $PEERNAME
        linkname $PEERNAME
        ipparam $PEERNAME
        pty "pptp '$HOST' --nolaunchpppd "
        name "$USER"
        require-mppe
        persist
        demand
        idle 300
        holdoff 10
        file /etc/ppp/options.pptp
EOF

# Update password
umask 077
grep -v '\b'"$PEERNAME"'\b' </etc/ppp/chap-secrets >/etc/ppp/chap-secrets.new &&
        echo "$USER $PEERNAME $PASS" >>/etc/ppp/chap-secrets.new &&
        mv /etc/ppp/chap-secrets.new /etc/ppp/chap-secrets

# Cleanup
rm -f "$TMP"

if [ "$1" = "start" ]; then
        pon "$PEERNAME" && \
        sleep 2 && \
        /etc/ppp/ip-up.d/010route
fi

https://github.com/tuxutku/update_freevpn