153 lines
4.3 KiB
Bash
153 lines
4.3 KiB
Bash
#!/bin/sh
|
|
#
|
|
# Script to upgrade Libreswan on CentOS and RHEL
|
|
#
|
|
# Copyright (C) 2016 Lin Song
|
|
#
|
|
# This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
|
|
# Unported License: http://creativecommons.org/licenses/by-sa/3.0/
|
|
#
|
|
# Attribution required: please include my name in any derivative and let me
|
|
# know how you have improved it!
|
|
|
|
# Check https://libreswan.org and update version number if necessary
|
|
SWAN_VER=3.17
|
|
|
|
### Do not edit below this line
|
|
|
|
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
|
|
|
|
if [ ! -f /etc/redhat-release ]; then
|
|
echo "This script only supports CentOS or RHEL systems."
|
|
exit 1
|
|
fi
|
|
|
|
if ! grep -qs -e "release 6" -e "release 7" /etc/redhat-release; then
|
|
echo "This script only supports CentOS/RHEL 6 and 7."
|
|
exit 1
|
|
fi
|
|
|
|
if [ "$(uname -m)" != "x86_64" ]; then
|
|
echo "This script only supports 64-bit CentOS/RHEL."
|
|
exit 1
|
|
fi
|
|
|
|
if [ -f /proc/user_beancounters ]; then
|
|
echo "This script does NOT support OpenVZ VPS."
|
|
exit 1
|
|
fi
|
|
|
|
if [ "$(id -u)" != 0 ]; then
|
|
echo "Script must be run as root. Try 'sudo sh $0'"
|
|
exit 1
|
|
fi
|
|
|
|
/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "Libreswan"
|
|
if [ "$?" != "0" ]; then
|
|
echo "This upgrade script requires Libreswan already installed."
|
|
exit 1
|
|
fi
|
|
|
|
/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "Libreswan $SWAN_VER"
|
|
if [ "$?" = "0" ]; then
|
|
echo "You already have Libreswan version $SWAN_VER installed! "
|
|
echo
|
|
printf "Do you wish to continue anyway? [y/N] "
|
|
read -r response
|
|
case $response in
|
|
[yY][eE][sS]|[yY])
|
|
echo
|
|
;;
|
|
*)
|
|
echo "Aborting."
|
|
exit 1
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
clear
|
|
|
|
echo "Welcome! This script will build and install Libreswan $SWAN_VER on your server."
|
|
echo "Additional packages required for Libreswan compilation will also be installed."
|
|
echo
|
|
echo "This is intended for use on servers running an older version of Libreswan."
|
|
echo "Your existing VPN configuration files will NOT be modified."
|
|
|
|
echo
|
|
printf "Do you wish to continue? [y/N] "
|
|
read -r response
|
|
case $response in
|
|
[yY][eE][sS]|[yY])
|
|
echo
|
|
echo "Please be patient. Setup is continuing..."
|
|
echo
|
|
;;
|
|
*)
|
|
echo "Aborting."
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
# Create and change to working dir
|
|
mkdir -p /opt/src
|
|
cd /opt/src || exit 1
|
|
|
|
# Install Wget
|
|
yum -y install wget
|
|
|
|
# Add the EPEL repository
|
|
yum -y install epel-release
|
|
yum list installed epel-release >/dev/null 2>&1
|
|
[ "$?" != "0" ] && { echo "Cannot add EPEL repository. Aborting."; exit 1; }
|
|
|
|
# Install necessary packages
|
|
yum -y install nss-devel nspr-devel pkgconfig pam-devel \
|
|
libcap-ng-devel libselinux-devel \
|
|
curl-devel flex bison gcc make \
|
|
fipscheck-devel unbound-devel xmlto
|
|
|
|
# Installed Libevent2. Use backported version for CentOS 6.
|
|
if grep -qs "release 6" /etc/redhat-release; then
|
|
LE2_URL=https://download.libreswan.org/binaries/rhel/6/x86_64
|
|
RPM1=libevent2-2.0.22-1.el6.x86_64.rpm
|
|
RPM2=libevent2-devel-2.0.22-1.el6.x86_64.rpm
|
|
wget -t 3 -T 30 -nv -O "$RPM1" "$LE2_URL/$RPM1"
|
|
[ "$?" != "0" ] && { echo "Cannot download Libevent2. Aborting."; exit 1; }
|
|
wget -t 3 -T 30 -nv -O "$RPM2" "$LE2_URL/$RPM2"
|
|
[ "$?" != "0" ] && { echo "Cannot download Libevent2. Aborting."; exit 1; }
|
|
rpm -ivh --force "$RPM1" "$RPM2" && /bin/rm -f "$RPM1" "$RPM2"
|
|
elif grep -qs "release 7" /etc/redhat-release; then
|
|
yum -y install libevent-devel
|
|
fi
|
|
|
|
# Compile and install Libreswan
|
|
SWAN_FILE="libreswan-${SWAN_VER}.tar.gz"
|
|
SWAN_URL="https://download.libreswan.org/$SWAN_FILE"
|
|
wget -t 3 -T 30 -nv -O "$SWAN_FILE" "$SWAN_URL"
|
|
[ "$?" != "0" ] && { echo "Cannot download Libreswan source. Aborting."; exit 1; }
|
|
/bin/rm -rf "/opt/src/libreswan-$SWAN_VER"
|
|
tar xvzf "$SWAN_FILE" && /bin/rm -f "$SWAN_FILE"
|
|
cd "libreswan-$SWAN_VER" || { echo "Cannot enter Libreswan source dir. Aborting."; exit 1; }
|
|
# Workaround for Libreswan compile issues
|
|
cat > Makefile.inc.local <<EOF
|
|
WERROR_CFLAGS =
|
|
EOF
|
|
make programs && make install
|
|
|
|
# Restore SELinux contexts
|
|
restorecon /etc/ipsec.d/*db 2>/dev/null
|
|
restorecon /usr/local/sbin -Rv 2>/dev/null
|
|
restorecon /usr/local/libexec/ipsec -Rv 2>/dev/null
|
|
|
|
# Restart IPsec service
|
|
service ipsec restart
|
|
|
|
# Check if Libreswan install was successful
|
|
/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "$SWAN_VER"
|
|
[ "$?" != "0" ] && { echo; echo "Libreswan $SWAN_VER failed to build. Aborting."; exit 1; }
|
|
|
|
echo
|
|
echo "Libreswan $SWAN_VER was installed successfully! "
|
|
echo
|
|
exit 0
|