#!/bin/sh
# $Id$

#***************************************************************************
#* $Copyright: Copyright (c) 2016 Veritas Technologies LLC. All rights reserved VT25-0977-2658-84-51-3 $ *
#***************************************************************************

#
# The following variable is changed by the Makefile to a valid value.
#

MACHINE=linuxR_x86_2.6.18

# Intentionally set TMPDIR to /tmp.
TMPDIR=/tmp
BP_BIN=/usr/openv/netbackup/bin
DB_EXT=/usr/openv/netbackup/ext/db_ext
Q1="Please specify the Informix instance home path name:"
LIB_LOC="/usr"
LIB_NM="lib"

USAGE ()
{
	echo ""
	echo "USAGE:"
	echo "	$0"
	exit 22
}

trap trapped 1 2 3 15

trapped ()
{
	rm -f ${Q1_ANSW} ${Q1_ANSW}.error
	exit 1
}

#
#  This function takes a string as input and echos it out
#  as a question with a prompt for an answer.  Any answer
#  not beginning with y or Y is considered a no.
#

confirm ()
{
	echo "${1} (y/n) [n] "
	read ans
	case "${ans}" in
		Y*|y*)
			echo
			return 1
			;;
		*)
			echo
			return 0
			;;
	esac
}

#
#  Make sure this is being run from root.
#

ISROOT=`id | egrep "^uid=0\("`
if [ "${ISROOT}" = "" ] ; then
	echo ""
	echo "$0 must be run while logged in as root."
	echo ""
	exit 1
fi

is_64_bit=0
if [ $# -ne 0 ] ; then
	USAGE
fi

Q1_ANSW=${TMPDIR}/INFMX_Q1.$$
rm -f ${Q1_ANSW}

#
#  Finding out the Informix home directory is first so that
#  rs6000 can figure out the proper name to use when creating
#  the link.
#

done=0
echo ""
INF_INST=""
while [ ${done} -ne 1 ] ; do
	echo ${Q1}
	read INF_INST

	if [ ! -d "${INF_INST}" ] ; then
		echo ""
		echo "Directory \"${INF_INST}\" does not exist."
		echo ""
		if confirm "Do you want to exit this script?"
		then
			:
		else
			trapped
		fi
	else
		echo ${INF_INST} >> ${Q1_ANSW}
		echo ""
		done=1
	fi
done

#
#  Determine the version level of Informix.  If we can't figure
#  it out, use a default of 7.30.
#

ver_f1="7"
ver_f2="30"
if [ ! -f "${INF_INST}"/bin/oninit ] ; then
	echo ""
	echo "INSTALLATION WARNING:"
	echo "File ${INF_INST}/bin/oninit does not exist."
	echo "Informix version level has been set to 7.30."
else
	ver_line=`"${INF_INST}"/bin/oninit -V 2>/dev/null | head -1`
	echo ${ver_line} | grep 'Version' > /dev/null 2>&1
	if [ $? -ne 0 ] ; then
		echo ""
		echo "INSTALLATION WARNING:"
		echo "Could not determine the version level for Informix."
		echo "Informix version level has been set to 7.30."
	else
		ver=`echo ${ver_line} | sed -e 's/.*Version //'`
		ver_f1=`echo ${ver} | cut -f1 -d" " | cut -f1 -d '.'`
		ver_f2=`echo ${ver} | cut -f1 -d" " | cut -f2 -d '.'`
	fi
fi


if [ "${ver_f1}" -eq "9" -a "${ver_f2}" -ge "40" -o "${ver_f1}" -eq "10" -o "${ver_f1}" -eq "11" ] ; 
then 
       LIB_LOC="${INF_INST}" 
fi 

BAR_API=ibsad001.so
if [ "${MACHINE}" = "hpia11.31" ] ; then
	NBU_64_API=infxbsa.so
    
elif [ "${MACHINE}" = "solaris_x86_10_64" ] ; then
	NBU_64_API=infxbsa.so

elif [ "${MACHINE}" = "solaris10" -o \
       "${MACHINE}" = "linuxR_x86_2.6.18" -o "${MACHINE}" = "linuxS_x86_3.0.76" ] ; then
	NBU_64_API=infxbsa.so64

elif [ "${MACHINE}" = "rs6000_61" ] ; then
	NBU_64_API=infxbsa.so64

	if [ "${ver_f1}" -eq "8" -a "${ver_f2}" -ge "21" ] ; then
		BAR_API=ibsad001.o
	fi
fi

if [ ! -f ${BP_BIN}/${NBU_64_API} ] ; then
	echo ""
	echo "ERROR: ${BP_BIN}/${NBU_64_API} not found."
	echo "ERROR: The Informix agent software has not been installed."
	echo ""
	trapped
fi

if [ -d ${DB_EXT}/informix/scripts ] ; then
	echo ""
	echo "Changing informix scripts' file ownership and group."

	for i in informix_dbspace_list \
		 informix_logical_log_backup \
		 informix_onbar_backup_of_dbspace1 \
		 informix_onbar_backup_of_rootdbs \
		 informix_onbar_backup_of_rootdbs_and_dbspace1 \
		 informix_onbar_backup_using_file_list  \
		 infx_remove_expired_images \
		 informix_onbar_restore_dbspace1 \
		 informix_onbar_restore_rootdbs \
		 informix_onbar_whole_backup
	do
		chown informix ${DB_EXT}/informix/scripts/${i}
		chgrp informix ${DB_EXT}/informix/scripts/${i}
	done
fi

#
#  Protect the value of INF_INST with double quotes in case there is
#  a blank in the directory name.
#

if [ ! -d "${INF_INST}"/etc ] ; then
	echo ""
	echo "INSTALLATION ERROR:"
	echo "Directory ${INF_INST}/etc does not exist."
	echo "Check to see if Informix has been installed in ${INF_INST}."
	touch ${Q1_ANSW}.error
else
	grep "^1|1\.1\.0|VERITAS-NetBackup|1|$" "${INF_INST}"/etc/sm_versions > /dev/null 2>&1
	if [ $? -ne 0 ] ; then
		echo ""
		echo "Adding NetBackup to ${INF_INST}/etc/sm_versions."
		cat <<- END_OV_EDIT >>"${INF_INST}"/etc/sm_versions
		1|1.1.0|VERITAS-NetBackup|1|
END_OV_EDIT
	fi
fi

if [ ! -f ${Q1_ANSW}.error ] ; then

	#
	#  Do some extra checks for the 32bit/64bit scenario.
	#  Only 64bit is supported for Informix.
	#

	if [ "${MACHINE}" = "linuxR_x86_2.6.18" -o "${MACHINE}" = "linuxS_x86_3.0.76" ] ; then
		os_bits=`uname -p`
		if [ "${os_bits}" = "x86_64" ] ; then
			is_64_bit=1
		fi
		cut_string="-f3"
		cut_string_2="-f5"
	elif [ "${MACHINE}" = "solaris10" -o "${MACHINE}" = "solaris_x86_10_64" ] ; then
		os_bits=`isainfo -nv`
		echo ${os_bits} | grep "64\-bit" > /dev/null 2>&1
		if [ $? -eq 0 ] ; then
			is_64_bit=1
		fi
		cut_string="-f1,2"
	elif [ "${MACHINE}" = "rs6000_61" ]; then
		/usr/bin/ls -l /unix | grep unix_64 > /dev/null 2>&1
		if [ $? -eq 0 ]; then
			is_64_bit=1
		fi
		cut_string="-f2"
	elif [ "${MACHINE}" = "hpia11.31" ] ; then
		# an IBM recommended way to check if is 64 bit http://www-01.ibm.com/support/docview.wss?uid=swg21148578
		if [ `getconf KERNEL_BITS` -eq 64 ]; then
			is_64_bit=1
		fi
		cut_string="-f1"
	fi

	if [ ${is_64_bit} -eq 1 ] ; then
		if [ "${MACHINE}" = "linuxR_x86_2.6.18" -o "${MACHINE}" = "linuxS_x86_3.0.76" ] ; then
			we_64_type=`file ${BP_BIN}/${NBU_64_API} | cut ${cut_string} -d" " | cut -f1 -d"-"`
		else
			we_64_type=`file ${BP_BIN}/${NBU_64_API} | cut -f2 -d":" | cut ${cut_string} -d" " | tr -d '\011'`
		fi
		if [ ! -f "${INF_INST}"/bin/oninit ] ; then
			echo ""
			echo "INSTALLATION WARNING:"
			echo "File ${INF_INST}/bin/oninit does not exist."
			echo "Cannot determine its binary type.  Assuming it"
			echo "is the same as ${BP_BIN}/${NBU_64_API}."
			they_type="${we_64_type}"
		else
			if [ "${MACHINE}" = "linuxR_x86_2.6.18" -o "${MACHINE}" = "linuxS_x86_3.0.76" ] ; then
				they_type=`file "${INF_INST}"/bin/oninit | cut ${cut_string} -d" " | cut -f1 -d"-"`
				if [ "${they_type}" != "32" -a "${they_type}" != "64" ] ; then
					they_type=`file "${INF_INST}"/bin/oninit | cut ${cut_string_2} -d" " | cut -f1 -d"-"`
				fi
			else
				they_type=`file "${INF_INST}"/bin/oninit | cut -f2 -d":" | cut ${cut_string} -d" " | tr -d '\011'`
			fi
		fi

		if [ "${we_64_type}" = "${they_type}" ] ; then
			which_api=${NBU_64_API}
			if [ "${MACHINE}" = "rs6000_61" ] ; then
				if [ ! \( "${ver_f1}" -eq "8" -a "${ver_f2}" -ge "21" \) ] ; then
					BAR_API=ibsad001_64.so
				fi
			fi
		else
			echo ""
			echo "INSTALLATION ERROR:"
			echo "The file type for ${INF_INST}/bin/oninit does not"
			echo "match ${BP_BIN}/${NBU_64_API}."
			trapped
		fi
	else
		echo ""
		echo "INSTALLATION ERROR:"
		echo "NetBackup for Informix is not supported on 32 bit machines."
		echo ""
		trapped
	fi

	if ls -ld "${LIB_LOC}"/${LIB_NM}/${BAR_API} 2>/dev/null | grep "^l" > /dev/null
	then
		rm -f "${LIB_LOC}"/${LIB_NM}/${BAR_API}
	elif [ -f "${LIB_LOC}"/${LIB_NM}/${BAR_API} ] ; then
		rm -f "${LIB_LOC}"/${LIB_NM}/${BAR_API}.org
		mv "${LIB_LOC}"/${LIB_NM}/${BAR_API} "${LIB_LOC}"/${LIB_NM}/${BAR_API}.org
	fi

	echo ""
	echo "Linking "${LIB_LOC}"/${LIB_NM}/${BAR_API} to ${BP_BIN}/${which_api}."
	/bin/ln -s ${BP_BIN}/${which_api} "${LIB_LOC}"/${LIB_NM}/${BAR_API}


	#
	# Try to clean up an old directory and file.
	#

	if [ -d ${DB_EXT}/informix/infx_db_comm ] ; then
		rmdir ${DB_EXT}/informix/infx_db_comm > /dev/null 2>&1
	fi
	rm -f ${BP_BIN}/install_infxbsa

	rm -f ${Q1_ANSW}

	exit 0
else
	trapped
fi