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easy_ipsec.sh
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#!/bin/sh
### LICENSE (BSD 2-Clause) // ###
#
# Copyright (c) 2014, Daniel Plominski (Plominski IT Consulting)
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice, this
# list of conditions and the following disclaimer in the documentation and/or
# other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
### // LICENSE (BSD 2-Clause) ###
### ### ### PLITC ### ### ###
### stage0 // ###
UNAME=$(uname)
MYNAME=$(whoami)
### // stage0 ###
### stage1 // ###
case $UNAME in
Darwin)
### MacOS ###
BREW=$(/usr/bin/which brew)
MDIALOG=$(/usr/bin/which dialog)
LASTUSER=$(/usr/bin/last | head -n 1 | awk '{print $1}')
LASTGROUP=$(/usr/bin/id "$LASTUSER" | grep -o 'gid=[^(]*[^)]*)' | sed 's/[0-9]//g' | sed 's/gid=(//g' | sed 's/)//g')
#
### ### ### ### ### ### ### ### ###
if [ "$MYNAME" = root ]; then
echo "" # dummy
else
echo "<--- --- --->"
echo ""
echo "ERROR: You must be root to run this script"
exit 1
fi
if [ -z "$BREW" ]; then
echo "<--- --- --->"
echo "need homebrew"
echo "<--- --- --->"
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
echo "<--- --- --->"
else
echo "" # dummy
fi
if [ -z "$MDIALOG" ]; then
echo "<--- --- --->"
echo "need dialog"
echo "<--- --- --->"
/usr/sbin/chown -R "$LASTUSER:$LASTGROUP" /usr/local
sudo -u "$LASTUSER" -s "/usr/local/bin/brew install dialog"
echo "<--- --- --->"
else
echo "" # dummy
fi
(
# clean up
/bin/rm -rf /tmp/easy_ipsec*.txt
)
#/ function: say clean up
KILLSAY(){
(pgrep "say" | xargs -L 1 -I % kill -9 % > /dev/null 2>&1)
}
### stage2 // ###
GIF1=50
(
while test $GIF1 != 150
do
echo $GIF1
echo "XXX"
echo "create gif interface: ($GIF1 percent)"
echo "XXX"
#
### run //
/sbin/ifconfig gif0 create > /dev/null 2>&1
/sbin/ifconfig gif0 up
### // run
#
GIF1=$((GIF1 + 50))
sleep 1
done
) | dialog --title "generic tunnel interface" --gauge "create gif interface" 20 70 0
EASYIPSECCLIENTIP="/tmp/easy_ipsec_client_ip.txt"
touch $EASYIPSECCLIENTIP
KILLSAY > /dev/null 2>&1
say "Enter your Roadwarrior Client IP: for example 10.0.0.1" > /dev/null 2>&1 &
dialog --inputbox "Enter your Roadwarrior Client IP: (for example 10.0.0.1)" 8 40 2>$EASYIPSECCLIENTIP
EASYIPSECDESTNET="/tmp/easy_ipsec_destination_net.txt"
touch $EASYIPSECDESTNET
KILLSAY > /dev/null 2>&1
say "Enter your VPN destination network: for example 172.31.254.0" > /dev/null 2>&1 &
dialog --inputbox "Enter your VPN destination network: (for example 172.31.254.0)" 8 40 2>$EASYIPSECDESTNET
EASYIPSECCLIENTIPVALUE=$(sed 's/#//g' $EASYIPSECCLIENTIP | sed 's/%//g')
EASYIPSECDESTNETVALUE=$(sed 's/#//g' $EASYIPSECDESTNET | sed 's/%//g')
GIF2=50
(
while test $GIF2 != 150
do
echo $GIF2
echo "XXX"
echo "set gif options: ($GIF2 percent)"
echo "XXX"
#
### run //
/sbin/ifconfig gif0 "$EASYIPSECCLIENTIPVALUE" "$EASYIPSECDESTNETVALUE"
/sbin/route add -net "$EASYIPSECDESTNETVALUE"/24 -interface gif0 > /dev/null 2>&1
### // run
#
GIF2=$((GIF2 + 50))
sleep 1
done
) | dialog --title "generic tunnel interface" --gauge "set gif options" 20 70 0
EASYIPSECSERVERIP="/tmp/easy_ipsec_server_ip.txt"
touch $EASYIPSECSERVERIP
KILLSAY > /dev/null 2>&1
say "Enter your VPN IP security Server IP:" > /dev/null 2>&1 &
dialog --inputbox "Enter your VPN IPsec Server IP:" 8 40 2>$EASYIPSECSERVERIP
EASYIPSECLOCALGATEWAY="/tmp/easy_ipsec_local_gateway.txt"
touch $EASYIPSECLOCALGATEWAY
KILLSAY > /dev/null 2>&1
say "Enter your local gateway IP:" > /dev/null 2>&1 &
dialog --inputbox "Enter your local gateway IP:" 8 40 2>$EASYIPSECLOCALGATEWAY
EASYIPSECSERVERIPVALUE=$(sed 's/#//g' $EASYIPSECSERVERIP | sed 's/%//g')
EASYIPSECLOCALGATEWAYVALUE=$(sed 's/#//g' $EASYIPSECLOCALGATEWAY | sed 's/%//g')
GIF3=50
(
while test $GIF3 != 150
do
echo $GIF3
echo "XXX"
echo "set direct vpn server route: ($GIF3 percent)"
echo "XXX"
#
### run //
# clean up double entries
/usr/sbin/netstat -rn -f inet | grep "$EASYIPSECSERVERIPVALUE" | awk '{print $2}' | xargs -L1 route delete -host "$EASYIPSECSERVERIPVALUE" > /dev/null 2>&1
#
/sbin/route delete -host "$EASYIPSECSERVERIPVALUE" > /dev/null 2>&1
/sbin/route add -host "$EASYIPSECSERVERIPVALUE" "$EASYIPSECLOCALGATEWAYVALUE" > /dev/null 2>&1
### // run
#
GIF3=$((GIF3 + 50))
sleep 1
done
) | dialog --title "generic tunnel interface" --gauge "set direct vpn server route" 20 70 0
### check vpn server //
#
/bin/echo ""
#(
/sbin/ping -q -c5 "$EASYIPSECSERVERIPVALUE" > /dev/null
if [ $? -eq 0 ]
then
/bin/echo ""
KILLSAY > /dev/null 2>&1
say "well, server is responsive" > /dev/null 2>&1 &
/bin/echo "server is responsive"
sleep 3
# exit 0
else
/bin/echo ""
KILLSAY > /dev/null 2>&1
say "excuse me if have got an error: IP security server isn't responsive" > /dev/null 2>&1 &
/bin/echo "ERROR: IPsec server isn't responsive"
exit 1
fi
#)
#
### // check vpn server
/bin/mkdir -p /etc/racoon
/bin/mkdir -p /etc/racoon/certs
/bin/chmod 0700 /etc/racoon/certs
### modify /etc/racoon/setkey.conf //
#
#(
EASYIPSECGETIFIP=$(/usr/sbin/netstat -rn -f inet | grep "$EASYIPSECSERVERIPVALUE" | awk '{print $6}' | xargs -L1 ifconfig | grep -w "inet" | awk '{print $2}')
/bin/cat <<SETKEY > /etc/racoon/setkey.conf
### ### ### PLITC // ### ### ###
#
flush;
spdflush;
spdadd $EASYIPSECCLIENTIPVALUE/32 $EASYIPSECDESTNETVALUE/24 any -P out ipsec
esp/tunnel/$EASYIPSECGETIFIP-$EASYIPSECSERVERIPVALUE/require;
spdadd $EASYIPSECDESTNETVALUE/24 $EASYIPSECCLIENTIPVALUE/32 any -P in ipsec
esp/tunnel/$EASYIPSECSERVERIPVALUE-$EASYIPSECGETIFIP/require;
#
### ### ### // PLITC ### ### ###
# EOF
SETKEY
#)
#
/bin/chmod 0600 /etc/racoon/setkey.conf
#
### // modify /etc/racoon/setkey.conf
### modify /etc/racoon/psk.txt //
#
#(
EASYIPSECSERVERPSK="/tmp/easy_ipsec_server_psk.txt"
touch $EASYIPSECSERVERPSK
/bin/chmod 0600 $EASYIPSECSERVERPSK
KILLSAY > /dev/null 2>&1
say "Enter your VPN IP security Server Pre-shared key: without spaces and pound" > /dev/null 2>&1 &
dialog --inputbox "Enter your VPN IPsec Server Pre-shared key: (without spaces and pound)" 8 85 2>$EASYIPSECSERVERPSK
EASYIPSECSERVERPSKVALUE=$(sed 's/#//g' $EASYIPSECSERVERPSK | sed 's/%//g')
echo "" # dummy
/bin/cat <<PSK > /etc/racoon/psk.txt
### ### ### PLITC ### ### ###
# IPv4/v6 addresses
# 10.160.94.3 asecretkeygoeshere
# 172.16.1.133 asecretkeygoeshere
# 3ffe:501:410:ffff:200:86ff:fe05:80fa asecretkeygoeshere
# 3ffe:501:410:ffff:210:4bff:fea2:8baa asecretkeygoeshere
# USER_FQDN
# macuser@localhost somethingsecret
# FQDN
# kame hoge
### ### ### ##### ### ### ###
#
$EASYIPSECSERVERIPVALUE $EASYIPSECSERVERPSKVALUE
#
### ### ### PLITC ### ### ###
# EOF
PSK
if [ $? -eq 0 ]
then
: # dummy
else
KILLSAY > /dev/null 2>&1
say "Warning, the racoon/psk.txt file probably has a write-protection or immutable flag!" > /dev/null 2>&1 &
sleep 2
fi
/bin/chmod 0600 /etc/racoon/psk.txt
/bin/rm $EASYIPSECSERVERPSK
#)
#
### // modify /etc/racoon/psk.txt
### modify /etc/racoon/racoon.conf //
#
EASYIPSECGETIFIPCONF=$(/usr/sbin/netstat -rn -f inet | grep "$EASYIPSECSERVERIPVALUE" | awk '{print $6}' | xargs -L1 ifconfig | grep -w "inet" | awk '{print $2}')
#
#(
/bin/cat <<CONF > /etc/racoon/racoon.conf
### ### ### PLITC ### ### ###
#
path include "/etc/racoon" ;
path pre_shared_key "/etc/racoon/psk.txt" ;
path certificate "/etc/cert" ;
log debug;
#
### ### ### ##### ### ### ###
padding # options are not to be changed
{
maximum_length 20;
randomize off;
strict_check off;
exclusive_tail off;
}
timer # timing options. change as needed
{
counter 5;
interval 20 sec;
persend 1;
natt_keepalive 20 sec;
phase1 120 sec;
phase2 60 sec;
}
listen # address [port] that racoon will listening on
{
#
### CHANGEME // ###
isakmp $EASYIPSECGETIFIPCONF [500];
isakmp_natt $EASYIPSECGETIFIPCONF [4500];
### // CHANGEME ###
#
}
remote $EASYIPSECSERVERIPVALUE
{
# ph1id 1;
exchange_mode main;
doi ipsec_doi;
situation identity_only;
peers_identifier address $EASYIPSECSERVERIPVALUE;
verify_identifier on;
verify_cert off;
weak_phase1_check on;
passive off;
proposal_check strict;
ike_frag on;
nonce_size 16;
support_proxy on;
generate_policy off;
nat_traversal force;
dpd_delay 30;
dpd_retry 10;
dpd_maxfail 10;
proposal {
dh_group 16;
lifetime time 600 sec;
encryption_algorithm aes 256;
hash_algorithm sha512;
authentication_method pre_shared_key;
}
}
sainfo (address $EASYIPSECCLIENTIPVALUE/32 any address $EASYIPSECDESTNETVALUE/24 any)
{
# remoteid 1;
pfs_group 16;
lifetime time 300 sec;
encryption_algorithm aes 256;
authentication_algorithm hmac_sha512;
compression_algorithm deflate;
}
#
### ### ### ### ### ### ### ### ###
# EOF
CONF
#)
#
/bin/chmod 0600 /etc/racoon/racoon.conf
#
### // modify /etc/racoon/racoon.conf
### start ipsec //
#
#(
KILLSAY > /dev/null 2>&1
say "syslog can be very slow, do you want delete all system logs before ?" > /dev/null 2>&1 &
dialog --title "Delete all System-Logs" --backtitle "Delete all System-Logs" --yesno "syslog can be very slow, do you want delete all system logs before ?" 7 60
response=$?
case $response in
0)
#/bin/rm -rf /private/var/log/asl/*.asl
/usr/sbin/aslmanager -size 1
/bin/echo ""
/bin/echo "System-Logs deleted!"
;;
1)
/bin/echo ""
/bin/echo "System-Logs not deleted."
;;
255)
/bin/echo ""
/bin/echo "[ESC] key pressed."
;;
esac
#
#/ /bin/launchctl stop com.apple.syslog
#/ /bin/launchctl start com.apple.syslog
#
#/
#/ launchctl unload /System/Library/LaunchDaemons/com.apple.racoon.plist
#/ sleep 1
#/ launchctl load /System/Library/LaunchDaemons/com.apple.racoon.plist
#
#)
#
#(
/bin/echo ""
KILLSAY > /dev/null 2>&1
say "Starting IP security" > /dev/null 2>&1 &
/bin/echo "Starting IPsec"
/usr/sbin/setkey -f /etc/racoon/setkey.conf
sleep 1
/bin/launchctl stop com.apple.racoon
/bin/launchctl stop com.apple.ipsec
sleep 1
/bin/launchctl start com.apple.ipsec
/bin/launchctl start com.apple.racoon
sleep 1
/bin/echo ""
KILLSAY > /dev/null 2>&1
say "wait a minute please" > /dev/null 2>&1 &
/bin/echo "prepare racoon log ... wait a minute"
/bin/echo ""
sleep 15
#)
#
/usr/bin/syslog -k Facility -k Sender racoon | tail -n 100 | grep "established" > /tmp/easy_ipsec_racoon_log.txt
#
RACOONLOG="/tmp/easy_ipsec_racoon_log.txt"
#
#(
KILLSAY > /dev/null 2>&1
say "VPN Logfile" > /dev/null 2>&1 &
dialog --textbox "$RACOONLOG" 0 0
#)
#
### // start ipsec
### ipsec test //
#
#(
EASYIPSECSERVERTEST="/tmp/easy_ipsec_server_test.txt"
touch $EASYIPSECSERVERTEST
/bin/chmod 0600 $EASYIPSECSERVERTEST
KILLSAY > /dev/null 2>&1
say "Enter your VPN IP security Server forwarding interface IP: for example 172.31.254.254" > /dev/null 2>&1 &
dialog --inputbox "Enter your VPN IPsec Server forwarding interface IP: (for example 172.31.254.254)" 8 85 2>$EASYIPSECSERVERTEST
EASYIPSECSERVERTESTVALUE=$(sed 's/#//g' $EASYIPSECSERVERTEST | sed 's/%//g')
/sbin/ping -q -c5 "$EASYIPSECSERVERTESTVALUE" > /dev/null
if [ $? -eq 0 ]
then
KILLSAY > /dev/null 2>&1
say "It works!" > /dev/null 2>&1 &
dialog --title "VPN IPsec Gateway Test" --backtitle "VPN IPsec Gateway Test" --msgbox "It works!" 0 0
# exit 0
else
dialog --title "VPN IPsec Gateway Test" --backtitle "VPN IPsec Gateway Test" --msgbox "ERROR: can't ping!" 0 0
/bin/echo ""
KILLSAY > /dev/null 2>&1
say "excuse me if have got an error: IP security server isn't responsive" > /dev/null 2>&1 &
/bin/echo "ERROR: IPsec server isn't responsive"
exit 1
fi
#)
/bin/rm -rf "$EASYIPSECSERVERTEST"
#
### // ipsec test
### // stage2 ###
### stage3 // ###
### ipsec/openvpn relay setup // ###
#
#(
KILLSAY > /dev/null 2>&1
say "if you have an IP security/OpenVPN Relay Server-Setup, Go ahead" > /dev/null 2>&1 &
dialog --title "IPsec/OpenVPN Relay Network" --backtitle "IPsec/OpenVPN Relay Network" --yesno "if you have an IPsec/OpenVPN Relay Server-Setup Go ahead!" 7 70
OPENVPN=$?
case $OPENVPN in
0)
/bin/echo ""
;;
1)
/bin/echo ""
#/bin/echo "no thanks!"
KILLSAY > /dev/null 2>&1
say "Have a nice day with IP security, good bye" > /dev/null 2>&1 &
/bin/echo "Have a nice day with IPsec"
###
# clean up
/bin/rm -rf /tmp/easy_ipsec*.txt
###
exit 1
;;
255)
/bin/echo ""
/bin/echo "[ESC] key pressed."
;;
esac
#)
#
#(
KILLSAY > /dev/null 2>&1
say "its time now to establish, manually a successful connection" > /dev/null 2>&1 &
dialog --title "IPsec/OpenVPN Relay Network" --backtitle "IPsec/OpenVPN Relay Network" --msgbox "its time now to establish a successful connection! ... than press OK" 8 80
#)
#
### // ipsec/openvpn relay setup ###
### openvpn server // ###
#
EASYIPSECSERVEROVPNTEST="/tmp/easy_ipsec_server_openvpn_test.txt"
touch $EASYIPSECSERVEROVPNTEST
/bin/chmod 0600 $EASYIPSECSERVEROVPNTEST
KILLSAY > /dev/null 2>&1
say "Enter your VPN, OpenVPN Server forwarding interface IP: for example 172.31.253.1" > /dev/null 2>&1 &
dialog --inputbox "Enter your VPN OpenVPN Server forwarding interface IP: (for example 172.31.253.1)" 8 85 2>$EASYIPSECSERVEROVPNTEST
EASYIPSECSERVEROVPNTESTVALUE=$(sed 's/#//g' $EASYIPSECSERVEROVPNTEST | sed 's/%//g')
#(
/sbin/ping -q -c5 "$EASYIPSECSERVEROVPNTESTVALUE" > /dev/null
if [ $? -eq 0 ]
then
KILLSAY > /dev/null 2>&1
say "It works!" > /dev/null 2>&1 &
dialog --title "VPN OpenVPN Gateway Test" --backtitle "VPN OpenVPN Gateway Test" --msgbox "It works!" 0 0
# exit 0
else
dialog --title "VPN OpenVPN Gateway Test" --backtitle "VPN OpenVPN Gateway Test" --msgbox "ERROR: can't ping!" 0 0
/bin/echo ""
KILLSAY > /dev/null 2>&1
say "excuse me if have got an error: OpenVPN server isn't responsive" > /dev/null 2>&1 &
/bin/echo "ERROR: OpenVPN server isn't responsive"
exit 1
fi
#)
##/bin/rm -rf "$EASYIPSECSERVEROVPNTEST"
#
### // openvpn server ###
### new default gateway // ###
#
EASYIPSECNETSTATOVPN1="/tmp/easy_ipsec_server_openvpn_netstat1.txt"
touch $EASYIPSECNETSTATOVPN1
/bin/chmod 0600 $EASYIPSECNETSTATOVPN1
EASYIPSECNETSTATOVPN2="/tmp/easy_ipsec_server_openvpn_netstat2.txt"
touch $EASYIPSECNETSTATOVPN2
/bin/chmod 0600 $EASYIPSECNETSTATOVPN2
#
KILLSAY > /dev/null 2>&1
say "it seems to work, lets change the default gateway!" > /dev/null 2>&1 &
dialog --title "IPsec/OpenVPN Relay Network" --backtitle "IPsec/OpenVPN Relay Network" --msgbox "it seems to work, lets change the default gateway!" 8 70
#
/sbin/route delete default > /dev/null 2>&1
/sbin/route delete 128.0.0.0/1 > /dev/null 2>&1
/sbin/route delete 0.0.0.0/1 > /dev/null 2>&1
#
/sbin/route add -net 128.0.0.0/1 "$EASYIPSECSERVEROVPNTESTVALUE" > /dev/null 2>&1
/sbin/route add -net 0.0.0.0/1 "$EASYIPSECSERVEROVPNTESTVALUE" > /dev/null 2>&1
#
###
/usr/sbin/netstat -rn -f inet > "$EASYIPSECNETSTATOVPN1"
###
#
KILLSAY > /dev/null 2>&1
say "your default gateway is now $EASYIPSECSERVEROVPNTESTVALUE" > /dev/null 2>&1 &
dialog --textbox "$EASYIPSECNETSTATOVPN1" 0 0
#
###
/bin/echo ""
KILLSAY > /dev/null 2>&1
say "Have a nice day with IP security and OpenVPN, good bye" > /dev/null 2>&1 &
/bin/echo "Have a nice day with IPsec and OpenVPN"
###
#
/bin/rm -rf "$EASYIPSECNETSTATOVPN1"
#
### // new default gateway ###
### // stage3 ###
### stage4 // ###
#
(
# clean up
/bin/rm -rf /tmp/easy_ipsec*.txt
)
#
### // stage4 ###
### ### ### ### ### ### ### ### ###
;;
FreeBSD)
### FreeBSD ###
#
FRACOON=$(/usr/bin/which racoon)
FOPENVPN=$(/usr/bin/which openvpn)
#
### ### ### ### ### ### ### ### ###
if [ "$MYNAME" = root ]; then
echo "" # dummy
else
echo "<--- --- --->"
echo ""
echo "ERROR: You must be root to run this script"
exit 1
fi
if [ -z "$FRACOON" ]; then
echo "<--- --- --->"
echo "need racoon/ipsec-tools"
echo "<--- --- --->"
# (
cd /usr/ports/security/ipsec-tools/ && make install clean
# )
echo "<--- --- --->"
### break // ###
echo ""
read -r "Press [Enter] key to continue..."
### // break ###
else
echo "" # dummy
fi
if [ -z "$FOPENVPN" ]; then
echo "<--- --- --->"
echo "need openvpn"
echo "<--- --- --->"
# (
cd /usr/ports/security/openvpn/ && make install clean
# )
echo "<--- --- --->"
### break // ###
echo ""
read -r "Press [Enter] key to continue..."
### // break ###
else
echo "" # dummy
fi
(
# clean up
/bin/rm -rf /tmp/easy_ipsec*.txt
)
### stage2 // ###
GIF1=50
(
while test $GIF1 != 150
do
echo $GIF1
echo "XXX"
echo "create gif interface: ($GIF1 percent)"
echo "XXX"
#
### run //
/sbin/ifconfig gif0 create > /dev/null 2>&1
/sbin/ifconfig gif0 up
### // run
#
GIF1=$((GIF1 + 50))
sleep 1
done
) | dialog --title "generic tunnel interface" --gauge "create gif interface" 20 70 0
EASYIPSECCLIENTIP="/tmp/easy_ipsec_client_ip.txt"
touch $EASYIPSECCLIENTIP
dialog --inputbox "Enter your Roadwarrior Client IP: (for example 10.0.0.1)" 8 40 2>$EASYIPSECCLIENTIP
EASYIPSECDESTNET="/tmp/easy_ipsec_destination_net.txt"
touch $EASYIPSECDESTNET
dialog --inputbox "Enter your VPN destination network: (for example 172.31.254.0)" 8 40 2>$EASYIPSECDESTNET
EASYIPSECCLIENTIPVALUE=$(sed 's/#//g' $EASYIPSECCLIENTIP | sed 's/%//g')
EASYIPSECDESTNETVALUE=$(sed 's/#//g' $EASYIPSECDESTNET | sed 's/%//g')
GIF2=50
(
while test $GIF2 != 150
do
echo $GIF2
echo "XXX"
echo "set gif options: ($GIF2 percent)"
echo "XXX"
#
### run //
/sbin/ifconfig gif0 "$EASYIPSECCLIENTIPVALUE" "$EASYIPSECDESTNETVALUE"
/sbin/route add -net "$EASYIPSECDESTNETVALUE"/24 -interface gif0 > /dev/null 2>&1
### // run
#
GIF2=$((GIF2 + 50))
sleep 1
done
) | dialog --title "generic tunnel interface" --gauge "set gif options" 20 70 0
EASYIPSECSERVERIP="/tmp/easy_ipsec_server_ip.txt"
touch $EASYIPSECSERVERIP
dialog --inputbox "Enter your VPN IPsec Server IP:" 8 40 2>$EASYIPSECSERVERIP
EASYIPSECLOCALGATEWAY="/tmp/easy_ipsec_local_gateway.txt"
touch $EASYIPSECLOCALGATEWAY
dialog --inputbox "Enter your local gateway IP:" 8 40 2>$EASYIPSECLOCALGATEWAY
EASYIPSECSERVERIPVALUE=$(sed 's/#//g' $EASYIPSECSERVERIP | sed 's/%//g')
EASYIPSECLOCALGATEWAYVALUE=$(sed 's/#//g' $EASYIPSECLOCALGATEWAY | sed 's/%//g')
GIF3=50
(
while test $GIF3 != 150
do
echo $GIF3
echo "XXX"
echo "set direct vpn server route: ($GIF3 percent)"
echo "XXX"
#
### run //
# clean up double entries on (RADIX_MPATH) equal-cost multi-path routing (ecmp) systems
/usr/bin/netstat -rn -f inet | grep "$EASYIPSECSERVERIPVALUE" | awk '{print $2}' | xargs -L1 route del -host "$EASYIPSECSERVERIPVALUE" > /dev/null 2>&1
#
/sbin/route del -host "$EASYIPSECSERVERIPVALUE" "$EASYIPSECLOCALGATEWAYVALUE" > /dev/null 2>&1
/sbin/route add -host "$EASYIPSECSERVERIPVALUE" "$EASYIPSECLOCALGATEWAYVALUE" > /dev/null 2>&1
### // run
#
GIF3=$((GIF3 + 50))
sleep 1
done
) | dialog --title "generic tunnel interface" --gauge "set direct vpn server route" 20 70 0
### check vpn server //
#
/bin/echo ""
(
/sbin/ping -q -c5 "$EASYIPSECSERVERIPVALUE" > /dev/null
if [ $? -eq 0 ]
then
/bin/echo ""
/bin/echo "server is responsive"
sleep 3
exit 0
else
/bin/echo ""
/bin/echo "ERROR: server isn't responsive"
exit 1
fi
)
#
### // check vpn server
/bin/mkdir -p /usr/local/etc/racoon
/bin/mkdir -p /usr/local/etc/racoon/certs
/bin/chmod 0700 /usr/local/etc/racoon/certs
### modify /usr/local/etc/racoon/setkey.conf //
#
(
EASYIPSECGETIFIP=$(/usr/bin/netstat -rnW -f inet | grep "$EASYIPSECSERVERIPVALUE" | awk '{print $7}' | xargs -L1 ifconfig | grep -w "inet" | awk '{print $2}')
/bin/cat <<SETKEY > /usr/local/etc/racoon/setkey.conf
### ### ### PLITC // ### ### ###
#
flush;
spdflush;
spdadd $EASYIPSECCLIENTIPVALUE/32 $EASYIPSECDESTNETVALUE/24 any -P out ipsec
esp/tunnel/$EASYIPSECGETIFIP-$EASYIPSECSERVERIPVALUE/require;
spdadd $EASYIPSECDESTNETVALUE/24 $EASYIPSECCLIENTIPVALUE/32 any -P in ipsec
esp/tunnel/$EASYIPSECSERVERIPVALUE-$EASYIPSECGETIFIP/require;
#
### ### ### // PLITC ### ### ###
# EOF
SETKEY
)
#
/bin/chmod 0600 /usr/local/etc/racoon/setkey.conf
#
### // modify /usr/local/etc/racoon/setkey.conf
### modify /usr/local/etc/racoon/psk.txt //
#
(
EASYIPSECSERVERPSK="/tmp/easy_ipsec_server_psk.txt"
touch $EASYIPSECSERVERPSK
/bin/chmod 0600 $EASYIPSECSERVERPSK
dialog --inputbox "Enter your VPN IPsec Server Pre-shared key: (without spaces and pound)" 8 85 2>$EASYIPSECSERVERPSK
EASYIPSECSERVERPSKVALUE=$(sed 's/#//g' $EASYIPSECSERVERPSK | sed 's/%//g')
/bin/cat <<PSK > /usr/local/etc/racoon/psk.txt
### ### ### PLITC ### ### ###
#
$EASYIPSECSERVERIPVALUE $EASYIPSECSERVERPSKVALUE
#
### ### ### PLITC ### ### ###
# EOF
PSK
/bin/chmod 0600 /usr/local/etc/racoon/psk.txt
/bin/rm $EASYIPSECSERVERPSK
)
#
### // modify /usr/local/etc/racoon/psk.txt
### modify /usr/local/etc/racoon/racoon.conf //
#
EASYIPSECGETIFIPCONF=$(/usr/bin/netstat -rnW -f inet | grep "$EASYIPSECSERVERIPVALUE" | awk '{print $7}' | xargs -L1 ifconfig | grep -w "inet" | awk '{print $2}')
#
(
/bin/cat <<CONF > /usr/local/etc/racoon/racoon.conf
### ### ### PLITC ### ### ###
#
path include "/usr/local/etc/racoon";
path certificate "/usr/local/etc/racoon/certs"; #location of cert files
path pre_shared_key "/usr/local/etc/racoon/psk.txt"; #location of pre-shared key file
log debug; #log verbosity setting: set to 'notify' when testing and debugging is complete
#
### ### ### ##### ### ### ###
padding # options are not to be changed
{
maximum_length 20;
randomize off;
strict_check off;
exclusive_tail off;
}
timer # timing options. change as needed
{
counter 5;
interval 20 sec;
persend 1;
natt_keepalive 20 sec;
phase1 120 sec;
phase2 60 sec;
}
listen # address [port] that racoon will listening on
{
#
### CHANGEME // ###
isakmp $EASYIPSECGETIFIPCONF [500];
isakmp_natt $EASYIPSECGETIFIPCONF [4500];
### // CHANGEME ###
#
}
remote $EASYIPSECSERVERIPVALUE
{
# ph1id 1;
exchange_mode main;
doi ipsec_doi;
situation identity_only;
peers_identifier address $EASYIPSECSERVERIPVALUE;
verify_identifier on;
verify_cert off;
weak_phase1_check on;
passive off;
proposal_check strict;
ike_frag on;
nonce_size 16;
support_proxy on;
generate_policy off;
nat_traversal force;
dpd_delay 30;
dpd_retry 10;
dpd_maxfail 10;
proposal {
dh_group 16;
lifetime time 600 sec;
encryption_algorithm aes 256;
hash_algorithm sha512;
authentication_method pre_shared_key;
}
}
sainfo (address $EASYIPSECCLIENTIPVALUE/32 any address $EASYIPSECDESTNETVALUE/24 any)
{
# remoteid 1;
pfs_group 16;
lifetime time 300 sec;
encryption_algorithm aes 256;
authentication_algorithm hmac_sha512;
compression_algorithm deflate;
}
#
### ### ### ### ### ### ### ### ###
# EOF
CONF
)
#
/bin/chmod 0600 /usr/local/etc/racoon/racoon.conf
#
### // modify /usr/local/etc/racoon/racoon.conf
### start ipsec //
#
(
dialog --title "Delete Racoon-Logs" --backtitle "Delete Racoon-Logs" --yesno "syslog can be very slow, do you want delete racoon logs before ?" 7 60
response=$?
case $response in
0)
/bin/echo "" > /var/log/racoon.log
/bin/echo ""
/bin/echo "System-Logs deleted!"
;;
1)
/bin/echo ""
/bin/echo "System-Logs not deleted."
;;
255)
/bin/echo ""
/bin/echo "[ESC] key pressed."
;;
esac
#
)
#
(
/bin/echo ""
/bin/echo "Starting IPsec"
sleep 1
/bin/echo ""
/usr/sbin/service racoon stop
/usr/sbin/service ipsec stop
sleep 1
/bin/echo ""
/usr/sbin/service ipsec start
/usr/sbin/service racoon start
sleep 1
/bin/echo ""
)
#
### ipsec test //
#
#(
EASYIPSECSERVERTEST="/tmp/easy_ipsec_server_test.txt"
touch $EASYIPSECSERVERTEST
/bin/chmod 0600 $EASYIPSECSERVERTEST
dialog --inputbox "Enter your VPN IPsec Server forwarding interface IP: (for example 172.31.254.254)" 8 85 2>$EASYIPSECSERVERTEST
EASYIPSECSERVERTESTVALUE=$(sed 's/#//g' $EASYIPSECSERVERTEST | sed 's/%//g')
/sbin/ping -q -c5 "$EASYIPSECSERVERTESTVALUE" > /dev/null
if [ $? -eq 0 ]
then
dialog --title "VPN IPsec Gateway Test" --backtitle "VPN IPsec Gateway Test" --msgbox "It works!" 0 0
exit 0
else
dialog --title "VPN IPsec Gateway Test" --backtitle "VPN IPsec Gateway Test" --msgbox "ERROR: can't ping!" 0 0
/bin/echo ""
/bin/echo "ERROR: server isn't responsive"
exit 1
fi
#)
#
### // ipsec test
/bin/echo ""
/bin/echo "prepare racoon log ... wait a minute"
/bin/echo ""
sleep 15
egrep "established|WARNING" /var/log/racoon.log | tail -n 10 > /tmp/easy_ipsec_racoon_log.txt