#-------------------------------------------------------------------------------
# File: UninstallExe.eps
#
# Description: Performs a level4 uninstall for the exe version
#
# Modifications:
#	08/15/05	Created
#-------------------------------------------------------------------------------
@include "_FileExists.epm";
@include "_GetDirectory.epm";
@include "_GetSystemPaths.epm";
@include "_VersionChecks.epm";

@echo off;

if (_IsTargetNtFamily()) {

    # NT Family
    return UninstallFromNt();
    
} else {

    # 9x Family
    return UninstallFrom9x();

}

#-------------------------------------------------------------------------------
sub UninstallFrom9x()
{

    bool $success = true;

    string $remoteName = "NETWR.EXE";
    string $drvName = "VNETWR";
    
    string $system;
    string $root;
    ifnot (_GetSystemPaths($root, $system)) {
	echo "* Unable to get system directory";
	return false;
    }
    string $fullPath = "$root\\$system";

    # remove the driver key
    echo "Removing driver registry key";
    if (`regdelkey -hive L -key SYSTEM\\CurrentControlSet\\Services\\VxD\\$drvName -recursive`) {
	echo "    SUCCESS";
    } else {
	echo "    FAILED";
	$success = false;
    }

    echo "Checking for driver and exe";
    bool $driverFound = _FileExists("$drvName.VXD", $fullPath);
    bool $exeFound = _FileExists("$remoteName", $fullPath);
    if (($driverFound == false) && ($exeFound == false)) {
	echo "    NEITHER FOUND";
	return true;
    }

    # found something to delete -- create the WININIT.INI file
    string $iniFile;
    ifnot (_GetLpLogsDirectory($iniFile)) {
	echo "* Failed to get log directory for WININIT.INI file.  Unable to mark files for deletion";
	$success = false;
    }

    # remove any previous local instance of the ini file
    `local del PC_UNINSTALL_WININIT.INI -path "$iniFile"`;

    # write the deletion file
    bool $writeOfIni = true;
    echo "Writing wininit.ini file for file deletion";
    $iniFile = "$iniFile\\PC_UNINSTALL_WININIT.INI";
    ifnot (WriteFile($iniFile, false, "\r\n[rename]")) {
	$writeOfIni = false;
    } else {
	if ($driverFound) {
	    ifnot (WriteFile($iniFile, true, "NULL=$fullPath\\$drvName.VXD")) {
		$writeOfIni = false;
	    }
	}
	if ($exeFound) {
	    ifnot (WriteFile($iniFile, true, "NULL=$fullPath\\$remoteName")) {
		$writeOfIni = false;
	    }
	}
    }

    if ($writeOfIni == true) {
	echo "    SUCCESS";
	
	# check for existance
	if (_FileExists("WININIT.INI", $root)) {
	    echo "*** $root\\WININIT.INI already exists. ***";
	    echo "";
	    echo "Add lines in $iniFile to $root\\WININIT.INI by hand";
	    $success = false;
	} else {
	    # upload ini file
	    echo "Uploading WININIT.INI";
	    if (`put "$iniFile" -name "$root\\WININIT.INI" -permanent`) {
		echo "    UPLOADED";
	    } else {
		echo "    FAILED";
		echo "";
		echo "*** Mark files for deletion by hand ***";
		$success = false;
	    }
	}
    } else {
	echo "    FAILED";
    }

    return $success;

}
# END UninstallFrom9x

#-------------------------------------------------------------------------------
sub UninstallFromNt()
{

    return `dp_uninstall`;

}
# END InstallOnNt