#--------------------------------------------------------
# File: checkEPversion.eps
# 
# Script to see if box has the current version of PC
#
# 3/5/2009 created
#--------------------------------------------------------
@include "_FileExists.epm";

# This is the hash for the DLL of PC 1.6.3
string $knownGoodHash = "b0c6b44eb05b97a26197d1d6145d47b785550d3b";
string $knownBadHash =  "93eb2a863c0d5d483873b85e3834f9a67bcc494a";

# Dir for the known names of PC
@echo off;
string $filename = '';
if (_FileExists("appinit.dll")) {
	$filename = "appinit.dll";
}
if (_FileExists("msvcp57.dll")) { 
	$filename = "msvcp57.dll";
}
if (_FileExists("msvcp58.dll")) {
	$filename = "msvcp58.dll";
}
@echo on;

# If we found a LVL4 DLL, compute a checksum and compare to the known good
if($filename == ''){
	return true;
} else {
	@record on;
	@echo off;
	`checksum -mask $filename`;
	string $checksum=GetCmdData("checksum_value");
	@echo on;

	if($checksum == $knownGoodHash) {
		# The correct checksum was found
		echo "***********************************************************************";
		echo "*                                                                     *";
		echo "*  ALERT                                                              *";
		echo "*                                                                     *";
		echo "*  $filename matches the hash for PC 1.6.5.2                         *";
		echo "*                                                                     *";
		echo "*  Check the PSP to determine whether to keep PC installed            *";
		echo "*  Seek help if you're unsure about this decision.                    *";
		echo "*                                                                     *";
		echo "***********************************************************************";
		@record off;
		pause;
		return true;
	}

	if($checksum == $knownBadHash) {
		echo "***********************************************************************";
		echo "*                                                                     *";
		echo "*  DANGER                                                             *";
		echo "*                                                                     *";
		echo "*  $filename matches the hash for PC 1.5                             *";
		echo "*                                                                     *";
		echo "*  Check the PSP to determine whether to keep PC installed            *";
		echo "*  Seek help if you're unsure about this decision.                    *";
		echo "*                                                                     *";
		echo "***********************************************************************";
		@record off;
		pause;
		return true;
	}

	# Not known good or known bad. "Consider" upgrading
	echo "***********************************************************************";
	echo "*                                                                     *";
	echo "*  WARNING                                                            *";
	echo "*                                                                     *";
	echo "*  $filename doesn't appear to be PC 1.5 or 1.6.5.2                  *";
	echo "*                                                                     *";
	echo "*  Check the PSP to determine whether to keep PC installed            *";
	echo "*  Seek help if you're unsure about this decision.                    *";
	echo "*                                                                     *";
	echo "***********************************************************************";
	@record off;
	pause;
	return true;
}