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v5/suse/install.sh
Jerry.Benton b8b1e6bbd4 installer fixes 
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2016-05-23 01:49:07 -04:00

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#!/usr/bin/env bash
#
# MailScanner installation script for SUSE based systems
#
# This script installs the required software for
# MailScanner via zypper and CPAN based on user input.
#
# Tested distributions: OpenSUSE 13.2
#
# Written by:
# Jerry Benton < mailscanner@mailborder.com >
# 3 MAY 2016
# clear the screen. yay!
clear
# where i started for RPM install
THISCURRPMDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
# Function used to Wait for n seconds
timewait () {
DELAY=$1
sleep $DELAY
}
# Check for root user
if [ $(whoami) != "root" ]; then
clear
echo;
echo "Installer must be run as root. Aborting. Use 'su -' to switch to the root environment."; echo;
exit 192
fi
# bail if yum is not installed
if [ ! -x '/usr/bin/zypper' ]; then
clear
echo;
echo "Zypper package manager is not installed. You must install this before starting";
echo "the MailScanner installation process. Installation aborted."; echo;
exit 192
else
ZYPPER='/usr/bin/zypper';
fi
# confirm the RHEL release is known before continuing
if [ -f '/etc/redhat-release' ]; then
# this is mostly to prevent accidental installation on a non redhat based system
echo "This appears to be a Red Hat based system. This installer is for SuSE. Installation aborted."; echo;
exit 192
fi
# user info screen before the install process starts
echo "MailScanner Installation for SUSE Based Systems"; echo; echo;
echo "This will INSTALL or UPGRADE the required software for MailScanner on SuSE based systems";
echo "via the zypper package manager. Tested distributions are openSUSE 13.2 and associated";
echo "variants. Internet connectivity is required for this installation script to execute.";
echo;
echo "You may press CTRL + C at any time to abort the installation. Note that you may see";
echo "some errors during the perl module installation. You may safely ignore errors regarding";
echo "failed tests if you opt to use CPAN. You may also ignore 'No package available' notices";
echo "during the zypper installation of packages."; echo;
echo "When you are ready to continue, press return ... ";
read foobar
# if already installed, offer to upgrade the mailscanner.conf
AUTOUPGRADE=0
if [ -f '/etc/MailScanner/MailScanner.conf' ]; then
clear
echo;
echo "Automatically upgrade MailScanner.conf?"; echo;
echo "Based on a system analysis, I think you are performing an upgrade. Would you like to";
echo "automatically upgrade /etc/MailScanner/MailScanner.conf to the new version? If you ";
echo "elect not to upgrade it automatically, you will need to manually run the upgrade";
echo "script after installation. If this in fact a new installation and not an upgrade, you";
echo "can just enter 'N' or 'no' to ignore this.";
echo;
echo "Recommended: Y (yes)"; echo;
read -r -p "Auto upgrade MailScanner.conf? [n/Y] : " response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
# user wants to auto upgrade mailscanner.conf
AUTOUPGRADE=1
elif [ -z $response ]; then
# user wants to auto upgrade mailscanner.conf
AUTOUPGRADE=1
else
# no auto upgrade
AUTOUPGRADE=0
fi
fi
# ask if the user wants an mta installed
clear
echo;
echo "Do you want to install a Mail Transfer Agent (MTA)?"; echo;
echo "I can install an MTA via the zypper package manager to save you the trouble of having to do";
echo "this later. If you plan on using an MTA that is not listed below, you will have install ";
echo "it manually yourself if you have not already done so.";
echo;
echo "1 - sendmail";
echo "2 - postfix";
echo "3 - exim";
echo "N - Do not install";
echo;
echo "Recommended: 1 (sendmail)"; echo;
read -r -p "Install an MTA? [1] : " response
if [[ $response =~ ^([nN][oO])$ ]]; then
# do not install
MTAOPTION=
elif [ -z $response ]; then
# sendmail default
MTAOPTION="sendmail";
elif [ $response == 1 ]; then
# sendmail
MTAOPTION="sendmail";
elif [ $response == 2 ]; then
# sendmail
MTAOPTION="postfix";
elif [ $response == 3 ]; then
# sendmail
MTAOPTION="exim";
else
MTAOPTION=
fi
# clamav
clear
echo;
echo "Do you want to install or update Clam AV during this installation process?"; echo;
echo "This package is recommended unless you plan on using a different virus scanner.";
echo "Note that you may use more than one virus scanner at once with MailScanner.";
echo;
echo "Even if you already have Clam AV installed you should select this option so I";
echo "will know to check the clamav-wrapper and make corrections if required.";
echo;
echo "Recommended: Y (yes)"; echo;
read -r -p "Install or update Clam AV? [n/Y] : " response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
# user wants clam av installed
# some of these options may result in a 'no package available' on
# some distributions, but that is ok
CAV=1
CAVOPTION="pcre-devel clamav clamav-database clamav-nodb clamz";
elif [ -z $response ]; then
CAV=1
CAVOPTION="pcre-devel clamav clamav-database clamav-nodb clamz";
else
# user does not want clam av
CAV=0
CAVOPTION=
fi
# no longer asking - just get spamassassin installed
SA=1
SAOPTION="spamassassin"
# ask if the user wants missing modules installed via CPAN
clear
echo;
echo "Do you want to install missing perl modules via CPAN?"; echo;
echo "I will attempt to install Perl modules via zypper, but some may not be unavailable during the";
echo "installation process. Missing modules will likely cause MailScanner to malfunction.";
echo;
echo "Recommended: Y (yes)"; echo;
read -r -p "Install missing Perl modules via CPAN? [n/Y] : " response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
# user wants to use CPAN for missing modules
CPANOPTION=1
# rpm install will fail if the modules were not installed via RPM
# so i am setting the --nodeps flag here since the user elected to
# use CPAN to remediate the modules
NODEPS='--nodeps';
elif [ -z $response ]; then
# user wants to use CPAN for missing modules
CPANOPTION=1
# rpm install will fail if the modules were not installed via RPM
# so i am setting the --nodeps flag here since the user elected to
# use CPAN to remediate the modules
NODEPS='--nodeps';
else
# user does not want to use CPAN
CPANOPTION=0
fi
# ask if the user wants to install the Mail::ClamAV module
if [ $CPANOPTION = 1 ]; then
# Mail::ClamAV
CAV=1
# Mail::SpamAssassin
SA=1
else
# don't install if not using CPAN
CAV=0
SA=0
fi
# ask if the user wants to ignore dependencies. they are automatically ignored
# if the user elected the CPAN option as explained above
if [ $CPANOPTION != 1 ]; then
clear
echo;
echo "Do you want to ignore MailScanner dependencies?"; echo;
echo "This will force install the MailScanner RPM package regardless of missing";
echo "dependencies. It is highly recommended that you DO NOT do this unless you";
echo "are debugging.";
echo;
echo "Recommended: N (no)"; echo;
read -r -p "Ignore MailScanner dependencies (nodeps)? [y/N] : " response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
# user wants to ignore deps
NODEPS='--nodeps'
else
# requiring deps
NODEPS=
fi
fi
# ask if the user wants to add a ramdisk
clear
echo;
echo "Do you want to create a RAMDISK?"; echo;
echo "This will create a mount in /etc/fstab that attaches the processing";
echo "directory /var/spool/MailScanner/incoming to a RAMDISK, which greatly";
echo "increases processing speed at the cost of the reservation of some of";
echo "the system RAM. The size depends on the number of MailScanner children,";
echo "the number of messages per batch, and incoming email volume."
echo;
echo "Specify a size in MB or leave blank for none.";
echo;
echo "Suggestions:";
echo " None 0";
echo " Small 256";
echo " Medium 512";
echo " Large 1024 or 2048";
echo " Enterprise 4096 or 8192";
echo;
echo "Example: 1024"; echo;
read -r -p "Specify a RAMDISK size? [0] : " RAMDISKSIZE
if [[ $RAMDISKSIZE =~ ^[0-9]+$ ]]; then
if [ $RAMDISKSIZE != 0 ]; then
# user wants ramdisk
RAMDISK=1
else
RAMDISK=0
fi
else
# no ramdisk
RAMDISK=0
fi
# base system packages
BASEPACKAGES="binutils gcc glibc-devel libaio1 patch make man-pages patch rpm tar time unzip which zip libtool perl curl wget openssl libopenssl-devel bzip2 tnef unrar razor-agents";
# Packages available in the suse base 13.2. If the user elects not to use EPEL or if the
# package is not available for their distro release it will be ignored during the install.
#
MOREPACKAGES="perl-Archive-Zip perl-Convert-BinHex perl-Convert-TNEF perl-DBD-SQLite perl-DBI perl-Digest-HMAC perl-Digest-SHA1 perl-ExtUtils-MakeMaker perl-File-ShareDir-Install perl-File-Temp perl-Filesys-Df perl-Getopt-Long-Descriptive perl-IO-stringy perl-HTML-Parser perl-HTML-Tagset perl-Inline perl-Mail-DKIM perl-Mail-SPF perl-MailTools perl-MIME-tools perl-Net-CIDR-Set perl-Net-DNS perl-Net-IP perl-OLE-Storage_Lite perl-Scalar-List-Utils perl-razor-agents perl-Sys-Hostname-Long perl-Sys-SigAction perl-Test-Pod perl-TimeDate perl-URI re2c ";
# the array of perl modules needed
ARMOD=();
ARMOD+=('Archive::Tar'); ARMOD+=('Archive::Zip'); ARMOD+=('bignum');
ARMOD+=('Carp'); ARMOD+=('Compress::Zlib'); ARMOD+=('Compress::Raw::Zlib');
ARMOD+=('Convert::BinHex'); ARMOD+=('Convert::TNEF'); ARMOD+=('Data::Dumper');
ARMOD+=('Date::Parse'); ARMOD+=('DBD::SQLite'); ARMOD+=('DBI');
ARMOD+=('Digest::HMAC'); ARMOD+=('Digest::MD5'); ARMOD+=('Digest::SHA1');
ARMOD+=('DirHandle'); ARMOD+=('ExtUtils::MakeMaker'); ARMOD+=('Fcntl');
ARMOD+=('File::Basename'); ARMOD+=('File::Copy'); ARMOD+=('File::Path');
ARMOD+=('File::Spec'); ARMOD+=('File::Temp'); ARMOD+=('FileHandle');
ARMOD+=('Filesys::Df'); ARMOD+=('Getopt::Long'); ARMOD+=('Inline::C');
ARMOD+=('IO'); ARMOD+=('IO::File'); ARMOD+=('IO::Pipe');
ARMOD+=('IO::Stringy'); ARMOD+=('HTML::Entities'); ARMOD+=('HTML::Parser');
ARMOD+=('HTML::Tagset'); ARMOD+=('HTML::TokeParser'); ARMOD+=('Mail::Field');
ARMOD+=('Mail::Header'); ARMOD+=('Mail::IMAPClient'); ARMOD+=('Mail::Internet');
ARMOD+=('Math::BigInt'); ARMOD+=('Math::BigRat'); ARMOD+=('MIME::Base64');
ARMOD+=('MIME::Decoder'); ARMOD+=('MIME::Decoder::UU'); ARMOD+=('MIME::Head');
ARMOD+=('MIME::Parser'); ARMOD+=('MIME::QuotedPrint'); ARMOD+=('MIME::Tools');
ARMOD+=('MIME::WordDecoder'); ARMOD+=('Net::CIDR'); ARMOD+=('Net::DNS');
ARMOD+=('Net::IP'); ARMOD+=('OLE::Storage_Lite'); ARMOD+=('Pod::Escapes');
ARMOD+=('Pod::Simple'); ARMOD+=('POSIX'); ARMOD+=('Scalar::Util');
ARMOD+=('Socket'); ARMOD+=('Storable'); ARMOD+=('Test::Harness');
ARMOD+=('Test::Pod'); ARMOD+=('Test::Simple'); ARMOD+=('Time::HiRes');
ARMOD+=('Time::localtime'); ARMOD+=('Sys::Hostname::Long'); ARMOD+=('Sys::SigAction');
ARMOD+=('Sys::Syslog'); ARMOD+=('Env'); ARMOD+=('File::ShareDir::Install');
ARMOD+=('Mail::SpamAssassin');
# not required but nice to have
ARMOD+=('bignum'); ARMOD+=('Business::ISBN'); ARMOD+=('Business::ISBN::Data');
ARMOD+=('Data::Dump'); ARMOD+=('DB_File'); ARMOD+=('DBD::SQLite');
ARMOD+=('DBI'); ARMOD+=('Digest'); ARMOD+=('Encode::Detect');
ARMOD+=('Error'); ARMOD+=('ExtUtils::CBuilder'); ARMOD+=('ExtUtils::ParseXS');
ARMOD+=('Getopt::Long'); ARMOD+=('Inline'); ARMOD+=('IO::String');
ARMOD+=('IO::Zlib'); ARMOD+=('IP::Country'); ARMOD+=('Mail::SPF');
ARMOD+=('Mail::SPF::Query'); ARMOD+=('Module::Build'); ARMOD+=('Net::CIDR::Lite');
ARMOD+=('Net::DNS'); ARMOD+=('Net::LDAP'); ARMOD+=('Net::DNS::Resolver::Programmable');
ARMOD+=('NetAddr::IP'); ARMOD+=('Parse::RecDescent'); ARMOD+=('Test::Harness');
ARMOD+=('Test::Manifest'); ARMOD+=('Text::Balanced'); ARMOD+=('URI');
ARMOD+=('version'); ARMOD+=('IO::Compress::Bzip2');
# additional spamassassin plugins
ARMOD+=('Mail::SpamAssassin::Plugin::Rule2XSBody');
ARMOD+=('Mail::SpamAssassin::Plugin::DCC');
ARMOD+=('Mail::SpamAssassin::Plugin::Pyzor');
# add to array if the user is installing spamassassin
if [ $SA == 1 ]; then
ARMOD+=('Mail::SpamAssassin');
fi
# add to array if the user is installing clam av
if [ $CAV == 1 ]; then
ARMOD+=('Mail::ClamAV');
fi
# logging starts here
(
clear
echo;
echo "Installation results are being logged to mailscanner-install.log";
echo;
timewait 1
# install the basics
echo "Installing required base system utilities.";
echo;
timewait 2
# install base packages
$ZYPPER --non-interactive install $BASEPACKAGES
# install this separate in case it conflicts
if [ "x$MTAOPTION" != "x" ]; then
$ZYPPER --non-interactive install $MTAOPTION
if [ $MTAOPTION = "sendmail" ]; then
mkdir -p /var/spool/mqueue
mkdir -p /var/spool/mqueue.in
fi
fi
# make sure rpm is available
if [ -x /bin/rpm ]; then
RPM=/bin/rpm
elif [ -x /usr/bin/rpm ]; then
RPM=/usr/bin/rpm
else
clear
echo;
echo "The 'rpm' command cannot be found. I have already attempted to install this";
echo "package, but it is still not found. Please ensure that you have network";
echo "access to the internet and try running the installation again.";
echo;
exit 1
fi
# check for curl
if [ ! -x /usr/bin/curl ]; then
clear
echo;
echo "The curl command cannot be found. I have already attempted to install this";
echo "package, but it is still not found. Please ensure that you have network access";
echo "to the internet and try running the installation again.";
echo;
exit 1
else
CURL='/usr/bin/curl';
fi
# create the cpan config if there isn't one and the user
# elected to use CPAN
if [ $CPANOPTION == 1 ]; then
# user elected to use CPAN option
if [ ! -f '/root/.cpan/CPAN/MyConfig.pm' ]; then
echo;
echo "CPAN config missing. Creating one ..."; echo;
mkdir -p /root/.cpan/CPAN
cd /root/.cpan/CPAN
$CURL -O https://s3.amazonaws.com/msv5/CPAN/MyConfig.pm
cd $THISCURRPMDIR
timewait 1
fi
fi
# install required perl packages that are available via zypper along
#
# some items may not be available depending on the distribution
# release but those items will be checked after this and installed
# via cpan if the user elected to do so.
clear
echo;
echo "Installing available Perl packages, Clam AV (if elected), and ";
echo "Spamassassin (if elected) via zypper. You can safely ignore any";
echo "subsequent warnings from zypper."; echo;
timewait 3
$ZYPPER --non-interactive install $MOREPACKAGES $CAVOPTION $SAOPTION
# now check for missing perl modules and install them via cpan
# if the user elected to do so
clear; echo;
echo "Checking Perl Modules ... "; echo;
timewait 2
# used to trigger a wait if something this missing
PMODWAIT=0
# first try to install missing perl modules via zypper
# using this trick
for i in "${ARMOD[@]}"
do
perldoc -l $i >/dev/null 2>&1
if [ $? != 0 ]; then
echo "$i is missing. Trying to install via Zypper ..."; echo;
THING="'perl($i)'";
$ZYPPER --non-interactive install $THING
fi
done
for i in "${ARMOD[@]}"
do
perldoc -l $i >/dev/null 2>&1
if [ $? != 0 ]; then
if [ $CPANOPTION == 1 ]; then
clear
echo "$i is missing. Installing via CPAN ..."; echo;
timewait 1
perl -MCPAN -e "CPAN::Shell->force(qw(install $i ));"
else
echo "WARNING: $i is missing. You should fix this.";
PMODWAIT=5
fi
else
echo "$i => OK";
fi
done
# will pause if a perl module was missing
timewait $PMODWAIT
# go to where i started
cd $THISCURRPMDIR
# fix the clamav wrapper if the user does not exist
if [ -f '/etc/freshclam.conf' ]; then
if id -u vscan >/dev/null 2>&1; then
#clam is being used instead of clamav
OLDCAVUSR='ClamUser="clamav"';
NEWCAVUSR='ClamUser="vscan"'
OLDCAVGRP='ClamGroup="clamav"';
NEWCAVGRP='ClamGroup="vscan"';
perl -pi -e 's/'$OLDCAVUSR'/'$NEWCAVUSR'/;' /usr/share/MailScanner/clamav-wrapper
perl -pi -e 's/'$OLDCAVGRP'/'$NEWCAVGRP'/;' /usr/share/MailScanner/clamav-wrapper
COUT='#Example';
perl -pi -e 's/Example/'$COUT'/;' /etc/freshclam.conf
if [ $CAV == 1 ]; then
systemctl enable clamd.service
fi
mkdir -p /var/run/clamav
chown vscan:vscan /var/run/clamav
freshclam
fi
fi
# save the old MailScanner.conf
if [ -f '/etc/MailScanner/MailScanner.conf' ]; then
mv /etc/MailScanner/MailScanner.conf /etc/MailScanner/MailScanner.conf.save.$$
fi
# remove old versions
if [ -d /etc/MailScanner ]; then
rpm -q mailscanner > /dev/null 2>&1
RETVAL="$?"
if [ $RETVAL -eq 0 ]; then
rpm -e mailscanner
fi
fi
clear
echo;
echo "Installing the MailScanner RPM ... ";
# using --force option to reinstall the rpm if the same version is
# already installed. this will not overwrite configuration files
# as they are protected in the rpm spec file
$RPM -Uvh $NODEPS MailScanner*noarch.rpm
if [ $? != 0 ]; then
echo;
echo '----------------------------------------------------------';
echo 'Installation Error'; echo;
echo 'The MailScanner RPM failed to install. Address the required';
echo 'dependencies and run the installer again. Note that electing';
echo 'to use CPAN should resolve dependency errors.';
echo;
echo 'Note that Perl modules need to be available system-wide. A';
echo 'common issue is that missing modules were installed in a ';
echo 'user specific configuration.';
echo;
else
SAVEDIR="$HOME/ms_upgrade/saved.$$";
mkdir -p ${SAVEDIR}/etc/MailScanner
if [ $AUTOUPGRADE == 1 ]; then
echo "Upgrading /etc/MailScanner/MailScanner.conf";
echo;
echo "Your old configuration file will be saved as:";
echo "${SAVEDIR}/etc/MailScanner/MailScanner.conf.old.$$";
echo;
timewait 1
# fix old style clamav Monitors if preset in old mailscanner.conf
CAVOLD='Monitors for ClamAV Updates = /usr/local/share/clamav/*.cld /usr/local/share/clamav/*.cvd';
CAVNEW='Monitors for ClamAV Updates = /usr/local/share/clamav/*.cld /usr/local/share/clamav/*.cvd /var/lib/clamav/*.inc/* /var/lib/clamav/*.?db /var/lib/clamav/*.cvd';
perl -pi -e 's/'$CAVOLD'/'$CAVNEW'/;' /etc/MailScanner/MailScanner.conf
if [ -f /etc/MailScanner/MailScanner.conf.save.$$ -a -f '/etc/MailScanner/MailScanner.conf' ]; then
ms-upgrade-conf /etc/MailScanner/MailScanner.conf.save.$$ /etc/MailScanner/MailScanner.conf > /etc/MailScanner/MailScanner.new
mv -f /etc/MailScanner/MailScanner.new /etc/MailScanner/MailScanner.conf
mv -f /etc/MailScanner/MailScanner.conf.* ${SAVEDIR}/etc/MailScanner > /dev/null 2>&1
fi
fi
# create ramdisk
if [ $RAMDISK == 1 ]; then
if [ -d '/var/spool/MailScanner/incoming' ]; then
echo "Creating the ramdisk ...";
echo;
DISK="/var/spool/MailScanner/incoming";
FSTYPE=$(df -P -T ${DISK}|tail -n +2 | awk '{print $2}')
if [ $FSTYPE != tmpfs ]; then
mount -t tmpfs -o size=${RAMDISKSIZE}M tmpfs ${DISK}
echo "tmpfs ${DISK} tmpfs rw,size=${RAMDISKSIZE}M 0 0" >> /etc/fstab
echo "Enabling ramdisk sync ...";
if [ -f '/etc/MailScanner/defaults' ]; then
OLD="^#ramdisk_sync=1";
NEW="ramdisk_sync=1";
sed -i "s/${OLD}/${NEW}/g" /etc/MailScanner/defaults
fi
else
echo "${DISK} is already a RAMDISK!"; echo;
fi
fi
fi
/usr/sbin/ms-update-safe-sites > /dev/null 2>&1
/usr/sbin/ms-update-bad-sites > /dev/null 2>&1
echo;
echo '----------------------------------------------------------';
echo 'Installation Complete'; echo;
echo 'See http://www.mailscanner.info for more information and '
echo 'support via the MailScanner mailing list.'
echo;
echo;
echo 'Review: Set your preferences in /etc/MailScanner/MailScanner.conf'
echo 'and review /etc/MailScanner/defaults';
fi
) 2>&1 | tee mailscanner-install.log
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