#!/bin/sh
# $Id: sybase_config.sh,v 1.35 2012/03/28 19:01:45 $

#***************************************************************************
#* $VRTScprght: Copyright 2014 Symantec Corporation, All Rights Reserved $ *
#***************************************************************************

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

MACHINE=solaris_x86_10_64

# 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 Sybase instance home path name:"

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 "${1} (y/n) [n] \c "
	read ans
	case "${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}/SYBASE_Q1.$$
rm -f ${Q1_ANSW}

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

	if [ ! -d "${SYB_INST}" ] ; then
		echo ""
		echo "Directory \"${SYB_INST}\" does not exist."
		echo "If this Sybase installation is part of a cluster and"
		echo "this node is inactive, this message may safely be"
		echo "ignored.  Otherwise, check to see if Sybase has been"
		echo "installed in \"${SYB_INST}\"."
		echo ""
		if confirm "Do you want to exit this script?"
		then
			:
		else
			trapped
		fi
	else
		echo ${SYB_INST} >> ${Q1_ANSW}
		echo ""
		if confirm "Do you have other Sybase instances?"
		then
			done=1
		fi
	fi
done

case "${MACHINE}" in
	hp11.11)
		SYB_32_API=libsybackup.sl
		SYB_64_API=libsybackup64.sl
		;;
	plinuxR_2.6 | plinuxS_2.6)
		SYB_32_API=libsybackup32.so
		;;
	hpia11.31)
		SYB_32_API=libsybackup32.so
		SYB_64_API=libsybackup.so
		;;
	rs6000_61)
		SYB_32_API=libsybackup.sl
		;;
	linuxR_x86_2.6.18 | linuxS_x86_2.6.16 | solaris10)
		SYB_32_API=libsybackup.so
		SYB_64_API=libsybackup64.so
		;;
	solaris_x86_10_64)
		SYB_64_API=libsybackup.so
		;;
esac

if [ "${MACHINE}" = "solaris_x86_10_64" ] ; then
	if [ ! -f ${BP_BIN}/${SYB_64_API} ] ; then
		echo ""
		echo "ERROR: ${BP_BIN}/${SYB_64_API} was not found."
		echo "ERROR: The Sybase agent software has not been installed."
		echo ""
		trapped
	fi
elif [ ! -f ${BP_BIN}/${SYB_32_API} ] ; then
	echo ""
	echo "ERROR: ${BP_BIN}/${SYB_32_API} was not found."
	echo "ERROR: The Sybase agent software has not been installed."
	echo ""
	trapped
fi

#
#  Protect the value of INST with double quotes in case there is
#  a blank in the directory name.  Now that we check for several flavors
#  of Sybase, when multiple INST locations are specified, it gets hard
#  to read when there are warnings and/or errors.  Use "===" lines to
#  define an INST section and display which INST we're looking at.
#

while read INST
do

	echo "========================================================================"
	echo "Examining ${INST}:"
	installed=0

	#
	#  First, let's figure out if we're on a 64 bit machine.
	#

	if [ "${MACHINE}" = "hp11.11" -o "${MACHINE}" = "hpia11.31" ] ; then
		os_bits=`getconf _CS_KERNEL_BITS`
		if [ "${os_bits}" = "64" ] ; then
			is_64_bit=1
		fi
		cut_string="-f1"
	elif [ "${MACHINE}" = "linuxR_x86_2.6.18" -o "${MACHINE}" = "linuxS_x86_2.6.16" ] ; then
		os_bits=`uname -p`
		if [ "${os_bits}" = "x86_64" ] ; then
			is_64_bit=1
		fi
		cut_string="-f3"
	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"
	fi

	#
	#  Next, let's figure out what kind of Sybase vendor binaries
	#  are out there.  File SYBASE.csh or SYBASE.sh in INST is an
	#  indication of Sybase 12.  A directory named asiq12 in INST
	#  is an indication of Sybase IQ.  Neither of those indicates
	#  Sybase 11.  All three could potentially be in the same
	#  INST location.  Sybase 11 is 32 bit only.  Sybase IQ is
	#  not supported.  Later versions of Sybase 12
	#  support 64 bit.
	#

	for ase_type in ase11 ase12 iq
	do
		found=0
		value=""
		bin_to_check=sybmultbuf
		vendor_api=${SYB_32_API}
		if [ "${ase_type}" = "ase11" -a -f "${INST}"/bin/${bin_to_check} ] ; then
			found=1
		elif [ "${ase_type}" = "ase12" ] ; then
			if [ -f "${INST}"/SYBASE.csh ] ; then
				value=`grep "setenv SYBASE_ASE" "${INST}"/SYBASE.csh | cut -f3 -d" " | sort -u | head -1`
			elif [ -f "${INST}"/SYBASE.sh ] ; then
				value=`grep "SYBASE_ASE=" "${INST}"/SYBASE.sh | cut -f2 -d"=" | sort -u | head -1`
			fi
			if [ "${value}" != "" -a -f "${INST}"/${value}/bin/${bin_to_check} ] ; then
				found=1
			fi
		elif [ "${ase_type}" = "iq" -a  -d "${INST}"/asiq12 ] ; then
			echo ""
			echo "INSTALLATION WARNING:"
			echo "Found Sybase IQ in ${INST}.  This is not supported."
		fi

		if [ ${found} -eq 1 ] ; then

			#
			#  Make sure the vendor lib directory is present before
			#  we go too far since we'll be linking there.
			#

			dir="${value}"
			if [ ! -d "${INST}"/${dir}/lib ] ; then
				echo ""
				echo "INSTALLATION WARNING:"
				echo "Directory ${INST}/${dir}/lib does not exist."
				echo "If this Sybase installation is part of a cluster and"
				echo "this node is inactive, this warning may safely be"
				echo "ignored.  Otherwise, check to see if Sybase has been"
				echo "installed in ${INST}."
			else

				#
				#  Do some extra checks for the 32bit/64bit scenario.
				#  Try not to link incorrect types together.  We know
				#  the vendor file we want exists since we checked already.
				#  The rules are:  If vendor binary is 32 bit, iq is not
				#  allowed except for HP and solaris.  If vendor binary
				#  is 64 bit, ase11 is not allowed.
				#

				do_the_link=0
				if [ ${is_64_bit} -eq 1 ] ; then
					we_32_type=`file ${BP_BIN}/${SYB_32_API} | cut -f2 -d":" | cut ${cut_string} -d" "`
					we_64_type=`file ${BP_BIN}/${SYB_64_API} | cut -f2 -d":" | cut ${cut_string} -d" "`

					#
					#  For HP, a vendor 32 bit binary could have a file type
					#  of s800 or PA-RISC1.1 so map s800 to the type of
					#  our 32 bit library, which is PA-RISC1.1 (starting with 5.0).
					#  CAREFUL:  there's some tabs hiding in a couple of these lines.
					#

					if [ "${MACHINE}" = "hp11.11" ] ; then
						syb_type=`file "${INST}"/${dir}/bin/${bin_to_check} | cut -f2 -d":" | cut ${cut_string} -d" "`
						if [ "${syb_type}" = "	s800" ] ; then
							they_type="	PA-RISC1.1"
						else
							they_type="${syb_type}"
						fi
					else
						they_type=`file "${INST}"/${dir}/bin/${bin_to_check} | cut -f2 -d":" | cut ${cut_string} -d" "`
					fi
					if [ "${we_64_type}" = "${they_type}" ] ; then
						if [ "${ase_type}" != "ase11" ] ; then
							our_api=${SYB_64_API}
							do_the_link=1
						else
							echo ""
							echo "INSTALLATION WARNING:"
							echo "Found 64 bit mode Sybase ASE in ${INST}.  This is not"
							echo "supported."
						fi
					elif [ "${we_32_type}" = "${they_type}" ] ; then
						our_api=${SYB_32_API}
						do_the_link=1
					else
						echo ""
						echo "INSTALLATION ERROR:"
						echo "The file type for ${INST}/${dir}/bin/${bin_to_check} does not"
						echo "match ${BP_BIN}/${SYB_32_API} or"
						echo "${BP_BIN}/${SYB_64_API}."
						touch ${Q1_ANSW}.error
					fi
				else
					our_api=${SYB_32_API}
					do_the_link=1
				fi
				
				#  On power PC the libsybackup library hase been renamed to
				#  to libsybackup32. As a result we need to change the
				#  vendor_api to libsybackup to avoid linking problems.

                                if [ "${MACHINE}" = "plinuxR_2.6" -o "${MACHINE}" = "plinuxS_2.6" -o "${MACHINE}" = "hpia11.31" ] ; then
					vendor_api=libsybackup.so
				fi


				#
				#  Only if all checks have passed do we do the linking
				#  from our library to the name the Sybase product
				#  expects.  Clean up possible old file name from 3.4
				#  (libsybackup.s?64).
				#

				if [ ${do_the_link} -eq 1 ] ; then
					rm -f ${BP_BIN}/libsybackup.s?64
					if ls -ld "${INST}"/${dir}/lib/${vendor_api} 2>/dev/null | grep "^l" > /dev/null
					then
						rm -f "${INST}"/${dir}/lib/${vendor_api}
					elif [ -f "${INST}"/${dir}/lib/${vendor_api} ] ; then
						rm -f "${INST}"/${dir}/lib/${vendor_api}.org
						mv "${INST}"/${dir}/lib/${vendor_api} "${INST}"/${dir}/lib/${vendor_api}.org
					fi
					echo ""
					echo "Linking ${INST}/${dir}/lib/${vendor_api} to ${BP_BIN}/${our_api}."
					/bin/ln -s ${BP_BIN}/${our_api} "${INST}"/${dir}/lib/${vendor_api}

					# Sybase ASE 12.5.3 on AIX now requires that libsybackup have a .so
					# suffix. To get around this problem, we will now create two symbolic
					# links on AIX. One link with a .so suffix and the other with a .sl
					# suffix.

					if [ "${MACHINE}" = "rs6000_61" ] ; then
						vendor_api=libsybackup.so
						if ls -ld "${INST}"/${dir}/lib/${vendor_api} 2>/dev/null | grep "^l" > /dev/null
						then
							rm -f "${INST}"/${dir}/lib/${vendor_api}
						elif [ -f "${INST}"/${dir}/lib/${vendor_api} ] ; then
							rm -f "${INST}"/${dir}/lib/${vendor_api}.org
							mv "${INST}"/${dir}/lib/${vendor_api} "${INST}"/${dir}/lib/${vendor_api}.org
						fi
						echo ""
						echo "Linking ${INST}/${dir}/lib/${vendor_api} to ${BP_BIN}/${our_api}."
						/bin/ln -s ${BP_BIN}/${our_api} "${INST}"/${dir}/lib/${vendor_api}
					fi
					installed=1
				fi
			fi
		fi
	done

	#
	#  We've checked all possible sybase types for this INST.  If
	#  we've had an error, the *.error file will exist so don't
	#  issue another message.  However, if we've only had warnings
	#  but nothing was installed, issue an error message here.
	#

	if [ ${installed} -ne 1 ] ; then
		echo ""
		echo "INSTALLATION WARNING:"
		echo "If this Sybase installation is part of a cluster and"
		echo "this node is inactive, this warning may safely be"
		echo "ignored.  Otherwise, check to see if Sybase has been"
		echo "installed in ${INST}."
	fi
	echo "========================================================================"
done < ${Q1_ANSW}

#
#  If the *.error file exists, we've had a problem for some flavor
#  of Sybase in one or more INST dirctories.  Don't finish.
#

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

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

	if [ -d ${DB_EXT}/sybase/syb_db_comm ] ; then
		rmdir ${DB_EXT}/sybase/syb_db_comm > /dev/null 2>&1
	fi
	rm -f ${BP_BIN}/install_sybackup

	rm -f ${Q1_ANSW}

	exit 0
else
	echo ""
	echo "One or more installation errors have occurred.  Installation is not"
	echo "complete."
	trapped
fi