#!/bin/bash
#===========================
# UMVIRT LINUX FROM SCRATCH 
#===========================
# Compilation script.
# Network mode. 
#===========================
# Release: 0.1
# Package: openvpn
#===========================
# DB commit: d35a620850806ab581b32cb34d268a904c9c0a5f
# APP commit: 1ca4178aea919e4c9e869e3d650ff8af9678bd6f
#===========================

echo "ULFS Package installation start"
echo "==============================="
echo "Package: openvpn" 
echo "Release: 0.1" 

echo "checking config file"
if [ -f $ULFS_CONFIG_FILE ]
then
echo "loading config file $ULFS_CONFIG_FILE..."
. $ULFS_CONFIG_FILE
fi
#Creating log directory
mkdir -p /var/log/ulfs-packages/openvpn/
#Saving start timestamp
date +%s > /var/log/ulfs-packages/openvpn/start.time
#Going to source directory...
cd /sources
#Checking dependances...
      #Checking iproute2...
      if [ ! -f /var/cache/ulfs-packages/iproute2 ]; then
           echo "Dependance \"iproute2\" not found. Trying to install...";
           wget --no-check-certificate https://umvirt.com/linux/packages//0.1/iproute2/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/iproute2 ]; then
	             echo "Dependance \"iproute2\" is not installed. Exiting..."
               exit
           fi
      fi
      #Checking pkcs11-helper...
      if [ ! -f /var/cache/ulfs-packages/pkcs11-helper ]; then
           echo "Dependance \"pkcs11-helper\" not found. Trying to install...";
           wget --no-check-certificate https://umvirt.com/linux/packages//0.1/pkcs11-helper/install -O - | bash
           if [ ! -f /var/cache/ulfs-packages/pkcs11-helper ]; then
	             echo "Dependance \"pkcs11-helper\" is not installed. Exiting..."
               exit
           fi
      fi
#Saving downloading timestamp
date +%s > /var/log/ulfs-packages/openvpn/download.time
#Downloading source package archive...
wget --no-check-certificate -nc https://umvirt.com/linux/downloads/0.1/packages/o/openvpn-2.4.8.tar.gz.md5sum
wget --no-check-certificate -nc https://umvirt.com/linux/downloads/0.1/packages/o/openvpn-2.4.8.tar.gz
#Checking source package file existance
if [ ! -f openvpn-2.4.8.tar.gz ]; then
echo "Error: Can't find openvpn-2.4.8.tar.gz. Exiting!"
exit
fi
#Checking source package file checksum
if [ -f openvpn-2.4.8.tar.gz.md5sum ]; then
    MD5=`LANG=C md5sum -c openvpn-2.4.8.tar.gz.md5sum | grep OK`
    if [ "$MD5" == "" ] ; then
    echo "Error: Checksum of openvpn-2.4.8.tar.gz is wrong. Exiting!"
    exit
    fi
fi
    #Saving cleanup timestamp
    date +%s > /var/log/ulfs-packages/openvpn/cleanup.time
rm -rfv /sources/openvpn-2.4.8/
#Saving extracting timestamp
date +%s > /var/log/ulfs-packages/openvpn/unpack.time
#Extracting tar source package archive with default parameters...
tar -xf openvpn-2.4.8.tar.gz
#Checking package directory size after unpack...
du -s openvpn-2.4.8 | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/openvpn/unpack.size 
#Going to source package directory...
cd openvpn-2.4.8
#Saving configuration timestamp
date +%s > /var/log/ulfs-packages/openvpn/configure.time
#Sleep 1 second
sleep 1
#Running configuration script...
# for reproducibility we force bash for build system:
# https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg19302.html
# https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Defining-Variables.html

  CONFIG_SHELL=/bin/bash ./configure \
    CONFIG_SHELL=/bin/bash \
    --prefix=/usr \
    --sbindir=/usr/bin \
    --sysconfdir=/etc  --localstatedir=/var \
    --enable-iproute2 \
    --enable-pkcs11 \
    --enable-plugins \
    --enable-systemd \
    --enable-x509-alt-username

#Saving build timestamp
date +%s > /var/log/ulfs-packages/openvpn/build.time
#Running build script...
make
#Saving install timestamp
date +%s > /var/log/ulfs-packages/openvpn/install.time
#Running install script...
cat > ulfs_install.sh << EOIS
make install
EOIS
USER=`whoami`
if [ "$USER" == "root" ] ; then 
cat ulfs_install.sh | bash 2>&1 | tee /var/log/ulfs-packages/openvpn/install.log 
else
cat ulfs_install.sh | sudo bash 2>&1 | tee /var/log/ulfs-packages/openvpn/install.log 
fi
#Saving finish timestamp
date +%s > /var/log/ulfs-packages/openvpn/finish.time
#Checking package directory size after unpack...
cd /sources 
du -s openvpn-2.4.8 | awk 'NR==1 {print $1}' > /var/log/ulfs-packages/openvpn/install.size 
echo "ULFS package installation completed."
#Producing files list
echo "Looking for installed files..."
if [  -f /var/log/ulfs-packages/openvpn/files.txt ]; then
rm /var/log/ulfs-packages/openvpn/files.txt
fi
USER=`whoami`
if [ "$USER" == "root" ] ; then 
find /bin -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
find /sbin -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
find /usr -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
find /etc -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
find /opt -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
find /lib -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
find /lib64 -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
find /var -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time \! -path "/var/log/ulfs-packages/openvpn/*" >> /var/log/ulfs-packages/openvpn/files.txt
else
sudo find /bin -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
sudo find /sbin -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
sudo find /usr -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
sudo find /etc -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
sudo find /opt -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
sudo find /lib -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
sudo find /lib64 -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time >> /var/log/ulfs-packages/openvpn/files.txt
sudo find /var -type f -newer /var/log/ulfs-packages/openvpn/configure.time \! -newer /var/log/ulfs-packages/openvpn/finish.time \!  -path "/var/log/ulfs-packages/openvpn/*" >> /var/log/ulfs-packages/openvpn/files.txt
fi
#Marking package as installed...
mkdir -p /var/cache/ulfs-packages
USER=`whoami`
if [ "$USER" == "root" ] ; then 
touch /var/cache/ulfs-packages/openvpn
else
sudo touch /var/cache/ulfs-packages/openvpn
fi
#Calculate delta size
a=`cat /var/log/ulfs-packages/openvpn/unpack.size`
b=`cat /var/log/ulfs-packages/openvpn/install.size`
c=$(($b-$a))
echo $c > /var/log/ulfs-packages/openvpn/delta.size 
#Calculate prepare time
a=`cat /var/log/ulfs-packages/openvpn/start.time`
b=`cat /var/log/ulfs-packages/openvpn/configure.time`
dp=$(($b-$a))
#Calculate download time
a=`cat /var/log/ulfs-packages/openvpn/download.time`
b=`cat /var/log/ulfs-packages/openvpn/unpack.time`
dd=$(($b-$a))
#Calculate delta time
a=`cat /var/log/ulfs-packages/openvpn/configure.time`
b=`cat /var/log/ulfs-packages/openvpn/finish.time`
db=$(($b-$a))
echo $db > /var/log/ulfs-packages/openvpn/delta.time 
#Report
echo ""
echo "ULFS Package installation report"
echo "================================"
echo "Package: openvpn" 
echo "Release: 0.1" 
echo "Build size: $c" 
echo "Prepare time: $dp sec." 
echo "Download time: $dd sec." 
echo "Build time: $db sec." 

#End of script