126 lines
3.7 KiB
Bash
126 lines
3.7 KiB
Bash
#!/bin/sh
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#
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# Simple script to upgrade Libreswan on Ubuntu and Debian
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#
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# Copyright (C) 2015 Lin Song
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#
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# This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
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# Unported License: http://creativecommons.org/licenses/by-sa/3.0/
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#
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# Attribution required: please include my name in any derivative and let me
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# know how you have improved it!
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# Check https://libreswan.org and update version number if necessary
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SWAN_VER=3.16
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if [ "$(lsb_release -si 2>/dev/null)" != "Ubuntu" ] && [ "$(lsb_release -si 2>/dev/null)" != "Debian" ]; then
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echo "Looks like you aren't running this script on a Ubuntu or Debian system."
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exit 1
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fi
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if [ -f "/proc/user_beancounters" ]; then
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echo "This script does NOT support OpenVZ VPS."
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exit 1
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fi
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if [ "$(id -u)" != 0 ]; then
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echo "Sorry, you need to run this script as root."
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exit 1
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fi
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/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "Libreswan"
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if [ "$?" != "0" ]; then
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echo "This upgrade script requires you already have Libreswan installed."
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echo "Aborting."
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exit 1
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fi
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/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "Libreswan ${SWAN_VER}"
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if [ "$?" = "0" ]; then
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echo "It looks like you already have Libreswan ${SWAN_VER} installed! "
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echo
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printf "Do you wish to continue anyway? [y/N] "
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read -r response
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case $response in
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[yY][eE][sS]|[yY])
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echo
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;;
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*)
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echo "Aborting."
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exit 1
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;;
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esac
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fi
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clear
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echo "Welcome! This script will build and install Libreswan ${SWAN_VER} on your server."
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echo "Related packages, such as those required by Libreswan compilation will also be installed."
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echo "This is intended for use on VPN servers running an older version of Libreswan."
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echo "Your existing VPN configuration files will NOT be modified."
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if [ "$(sed 's/\..*//' /etc/debian_version 2>/dev/null)" = "7" ]; then
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echo
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echo "IMPORTANT NOTE for Debian 7 (Wheezy) users:"
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echo "A workaround is required for your system. See: https://gist.github.com/hwdsl2/5a769b2c4436cdf02a90"
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echo "Continue only if you have completed the workaround."
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fi
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echo
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printf "Do you wish to continue? [y/N] "
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read -r response
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case $response in
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[yY][eE][sS]|[yY])
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echo
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echo "Please be patient. Setup is continuing..."
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echo
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;;
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*)
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echo "Aborting."
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exit 1
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;;
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esac
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# Create and change to working dir
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mkdir -p /opt/src
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cd /opt/src || { echo "Failed to change working directory to /opt/src. Aborting."; exit 1; }
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# Update package index and install wget and nano
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export DEBIAN_FRONTEND=noninteractive
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apt-get -y update
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apt-get -y install wget nano
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# Install necessary packages
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apt-get -y install libnss3-dev libnspr4-dev pkg-config libpam0g-dev \
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libcap-ng-dev libcap-ng-utils libselinux1-dev \
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libcurl4-nss-dev libgmp3-dev flex bison gcc make \
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libunbound-dev libnss3-tools libevent-dev
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apt-get -y --no-install-recommends install xmlto
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# Compile and install Libreswan
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SWAN_FILE="libreswan-${SWAN_VER}.tar.gz"
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SWAN_URL="https://download.libreswan.org/${SWAN_FILE}"
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wget -t 3 -T 30 -nv -O "$SWAN_FILE" "$SWAN_URL"
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[ ! -f "$SWAN_FILE" ] && { echo "Cannot retrieve Libreswan source file. Aborting."; exit 1; }
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/bin/rm -rf "/opt/src/libreswan-${SWAN_VER}"
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tar xvzf "$SWAN_FILE" && rm -f "$SWAN_FILE"
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cd "libreswan-${SWAN_VER}" || { echo "Failed to enter Libreswan source dir. Aborting."; exit 1; }
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make programs && make install
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# Restart IPsec service
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/usr/sbin/service ipsec restart
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# Check if Libreswan install was successful
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/usr/local/sbin/ipsec --version 2>/dev/null | grep -qs "${SWAN_VER}"
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if [ "$?" != "0" ]; then
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echo
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echo "Sorry, something went wrong."
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echo "Libreswan ${SWAN_VER} was NOT installed successfully."
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echo "Exiting script."
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exit 1
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fi
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echo
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echo "Congratulations! Libreswan ${SWAN_VER} was installed successfully!"
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exit 0
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