#!/bin/sh
#
# $Id: pkg_install,v 1.2 2003-06-03 09:42:30-07 rpr Exp $
#
# Script: pkg_install
#
# Purpose: This program will install the list of packages residing
#	   in the target directory
#
# Author: Rodney P. Rutherford <rodney@par3concepts.com>
#
# Born on Date: July 30, 1999
#
# Modification History:
#
# 1.0 - Thu Sep 30 16:58:37 PDT 1999 - Rodney Rutherford <rodney@par3concepts.com>
#       - Original script created and tested
#
#------------------------------------------------------------------------------
VERSION='1.0 -- Thu Sep 30 16:58:37 PDT 1999'
COPYRIGHT='Copyright (C) 1999'
AUTHOR='Rodney P. Rutherford <rodney@par3concepts.com>'
SCRIPT=`basename $0`
#------------------------------------------------------------------------------
#
#======================== Start of Configuration ==============================
#
# Admin environment variables.  Update these per the local environment:
#
ADMIN_DIR=/var/adm
ADMIN_FILE=Sysadmin.history
DESTDIR=/var/sadm
NOASK=/tmp/noask_pkgadd
PWD=`pwd`
PRODUCT=`basename ${PWD}`
LOG=$DESTDIR/${PRODUCT}.log
#
#------------------------------------------------------------------------------
# Fixed environment variables.  These normally should not need updating.
#
PATH=/usr/bin:/usr/sbin:/usr/ucb
FORCE=NO
HOST=`hostname`
STATUS=0
TIMESTAMP=`/usr/bin/date`
TTY=`tty`
ID=`id`
USER=`expr "${ID}" : 'uid=\([^(]*\).*'`
#
#========================= End of Configuration ===============================
#
#========================== Start of Functions ================================
#
# echo_tty will echo the string to both stdout, when it is being
# redirected to the logfile, and to the tty in which the script 
# is being run.  
#
echo_tty () {
   STRING=$1
   echo "\n${STRING}"
   if [ "$TTY" != "not a tty" ]
   then
      echo "\n${STRING}" > $TTY
   fi
}

show_license () {
   echo ""
   echo "   $SCRIPT version $VERSION"
   echo "   $COPYRIGHT $AUTHOR"
   echo "
   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2
   of the License, or (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
"
}

#
# Function to install packages
#
install_packages () {
   while read name
   do 
      PKGINFO="`pkginfo -d $PDIR $name`"
      echo_tty "\t\t$PKGINFO"
      logger -p user.err "$SCRIPT - Installing $name package"
      if [ -f ${PDIR}/${name}.answer ]
      then
         /usr/sbin/pkgadd -a $NOASK -r ${PDIR}/${name}.answer \
         -d $PDIR $name 
      else
         /usr/sbin/pkgadd -a $NOASK -d $PDIR $name 
      fi
   done < $POF
   #
   # Verify all packages were installed on system.
   #
   while read package
   do
      echo_tty "\tVerifying installation of package ${package}..."
      /usr/sbin/pkgchk -n $package
      if [ $? -ne 0 ]
      then 
         STATUS=255
         echo " ******************************************************"
         echo "	Package $package FAILED installation..."
         echo " ******************************************************"
         echo ""
      fi
   done < $POF
}

show_usage () {
   echo ""
   echo "   $SCRIPT version $VERSION"
   echo "   $COPYRIGHT $AUTHOR"
   echo ""
   echo "   $SCRIPT will install the list of packages residing in the"
   echo "   target directory."
   echo ""
   echo "   Usage: $SCRIPT [-d directory] [-o order file] [-p post script]"
   echo "\t[-d directory] - path to packages, default is current directory"
   echo "\t[-f ] - force option, skips check to see if already installed"
   echo "\t[-o order file] - install order file, default is pkg_order"
   echo "\t[-p post script] - postinstall script, default is pkg_postinstall"
   echo "\t[-h] - show this usage message."
   echo "\t[-l] - show the license info."
   echo ""
}

error_check () {
   if [ $? -ne 0 ]
   then
      STATUS=255
      export STATUS
   fi
}

#
#========================= End of Functions ===============================
#
#====================== Start of Main Program =============================
#
# Set default file permissions
#
umask 022

#
# Clear the screen to easily see any install messages
#
clear

#
# Check to make sure the script is being run as root
#
if [ "$USER" != "0" ]
then
        echo ""
        echo "\tERROR: You must be root to run $0"
        echo ""
        echo "\tExiting..."
        echo ""
        exit 2
fi

#
# Get any command line arguments specified
#
if [ $# -gt 0 ]
then
   while getopts hld:fo:p: option
   do
     case $option in
       d)  PDIR=$OPTARG
           if [ ! -d "$PDIR" ]
           then
              echo ""
              echo "\tERROR: The package directory specified was not found!"
              echo ""
              echo "\tExiting..."
              echo ""
              exit 3
           fi
           ;;

       o)  POF=$OPTARG
           if [ ! -r "$POF" ]
           then
              echo ""
              echo "\tERROR: The package order file specified was not found!"
              echo ""
              echo "\tExiting..."
              echo ""
              exit 4
           fi
           ;;

       p)  PST=$OPTARG
           if [ ! -r "$PST" ]
           then
              echo ""
              echo "\tERROR: The postinstall script specified was not found!"
              echo ""
              echo "\tExiting..."
              echo ""
              exit 5
           fi
           ;;

       f)  FORCE=YES;;

       h)  show_usage; exit 1;;

       l)  show_license; exit 1;;

       \?) show_usage; exit 1;;
     esac
   done
fi

#
# If options were not set on the command line, set the defaults
#
PDIR=${PDIR:-`pwd`}
POF=${POF:-${PDIR}/pkg_order}
PST=${PST:-${PDIR}/pkg_postinstall}

#
# Check to make sure packages even exist
#
PKGCOUNT=`pkginfo -d $PDIR | wc -l`
if [ "$PKGCOUNT" -eq "0" ]
then
   echo ""
   echo "\tNo packages exist in the target directory:"
   echo ""
   echo "\t\t$PDIR"
   echo ""
   echo "\tExiting..."
   echo ""
   exit 6
fi

#
# Check/Create package order file
#
echo_tty "\tChecking for `basename $POF` file..."
if [ ! -r $POF ]
then
   echo_tty "\tPackage order file not found, creating temporary file..."
   pkginfo -d $PDIR | awk '{print $2}' > /tmp/package_order
   POF=/tmp/package_order
fi

#
# If FORCE is not set, check to see if packages are already installed.
# Exit if they are.
#
if [ "$FORCE" = "NO" ]
then
   echo ""
   echo "\tChecking to see if packages are already installed..."
   sleep 2
   EXIT=NO

   for name in `cat $POF`
   do 
      pkginfo -q $name
      if [ $? -eq 0 ]
      then
         echo "\t\tThe $name package is already installed."
         EXIT=YES
      fi
   done 
   
   if [ "$EXIT" = "YES" ]
   then
      echo ""
      echo "\tERROR: Some or all of the packages are already installed!"
      echo ""
      echo "\tPlease remove the existing packages with pkgrm before"
      echo "\tinstalling, or use the -f option to force the install."
      echo ""
      echo "\tExiting..."
      echo ""
      exit 7
   fi
else
   echo ""
   echo "\tWARNING: You specified the force option."
   echo "\t         Any packages already installed will be overwritten."
   echo ""
   echo "\tDo you wish to continue? [y/n]: \c"
   while read answer
   do
     case $answer in
       y | Y | yes | YES ) break;;
       *)  echo ""; echo "\tExiting..."; echo ""; exit 8;;
     esac
   done
fi
 
#
# Redirect all output to a log file.  This will overwrite any existing log
# file of the same name. First we have to make sure the log directory exists.
#
if [ ! -d $DESTDIR ]
then
   mkdir -m 755 -p $DESTDIR
   error_check
fi
exec > $LOG 2>&1

#
# Echo starting messages
#
logger -p user.err "$SCRIPT - $PRODUCT being installed."
echo_tty "$HOST: The $SCRIPT script started `date`"

#
# Create the temporary noask_pkgadd file
#
echo_tty "\tCreating the temporary noask_pkgadd file"

echo "# adminfile3
# default basedir
mail=
instance=overwrite
partial=nocheck
runlevel=nocheck
idepend=nocheck
rdepend=nocheck
space=nocheck
setuid=nocheck
conflict=nocheck
action=nocheck
basedir=default" > $NOASK

#
# Echo all environment variables to the log for troubleshooting
# purposes if needed
#
echo ""
echo "\t==========================User Environment==========================="
echo ""
env
echo ""
echo "\t==========================Script Environment=========================="
echo ""
echo "ADMIN_DIR=$ADMIN_DIR"
echo "ADMIN_FILE=$ADMIN_FILE"
echo "DESTDIR=$DESTDIR"
echo "NOASK=$NOASK"
echo "PWD=$PWD"
echo "PRODUCT=$PRODUCT"
echo "LOG=$LOG"
echo ""
echo "PATH=$PATH"
echo "HOST=$HOST"
echo "STATUS=$STATUS"
echo "TIMESTAMP=$TIMESTAMP"
echo "TTY=$TTY"
echo "ID=$ID"
echo "USER=$USER"
echo ""
echo "PDIR=$PDIR"
echo "POF=$POF"
echo "PST=$PST"
echo "POF=$POF"
echo ""
echo "\t=====================End of Script Environment======================="

#
# Install the packages
#
echo_tty "\tThe logfile is $LOG"
echo_tty "\tInstalling ${PRODUCT} packages..."
install_packages
error_check

#
# Run the post install script if specified
#
if [ -r $PST ]
then
   echo_tty "\tRunning the post install script..."
   . $PST
   error_check
fi

#
# Update the admin history file
#
echo_tty "\tUpdating the ${ADMIN_FILE} file in ${ADMIN_DIR}..."

echo "" >> $ADMIN_DIR/$ADMIN_FILE
date >> $ADMIN_DIR/$ADMIN_FILE
echo "" >> $ADMIN_DIR/$ADMIN_FILE
echo "\tThe following packages have been installed:" >> $ADMIN_DIR/$ADMIN_FILE
echo "" >> $ADMIN_DIR/$ADMIN_FILE

for pkg in `cat $POF`
do
   pkginfo $pkg >> $ADMIN_DIR/$ADMIN_FILE
   error_check
done

echo "" >> $ADMIN_DIR/$ADMIN_FILE
echo "See the file $LOG in /var/sadm for details." >> $ADMIN_DIR/$ADMIN_FILE
echo "" >> $ADMIN_DIR/$ADMIN_FILE

#
# Check for errors and exit
#
if [ $STATUS -eq 255 ]
then
   echo_tty "WARNING: The $PRODUCT failed to install properly"
   echo_tty "Exiting..."
   echo_tty ""
   /usr/ucb/logger -p user.err "$SCRIPT - The install FAILED!"
   test -f /tmp/package_order && /bin/rm /tmp/package_order
   /bin/rm $NOASK
   exit 9
else
   echo_tty "$HOST: The $SCRIPT script completed `date`"
   echo_tty ""
   test -f /tmp/package_order && /bin/rm /tmp/package_order
   /bin/rm $NOASK
   exit 0
fi