#!/usr/bin/perl 
#
#
# This will help create a share.dat file
#
# $Revision: 1.14 $
#
#

require 5.003;			#Needs perl 5.003 or recent
require (".dl_setup");		#Include file with functions
use Sys::Hostname;		#Need this to find the hostname
use Net::Ping;			#Need this to see if host is alive
use File::Path;			#Use this to make a directory without mkdir
local (*data);

#Assert usage

if (scalar@ARGV != 0)
{
        print STDERR "Usage: share_setup\n";
        exit(1);
}

#Get IRIX version to install 

system(clear);
print "This program will help you create a share tree configuration file for a \n";
print "single IRIX version.  Create a separate share tree configuration file for\n";
print "a 32-bit and a 64-bit version of the same IRIX release.\n\n";

#Get networking information 

print "Retrieving system information...\n\n";
$HOSTNAME=hostname();
$SHAREHOST="\$HOSTNAME";
print "Hostname is $HOSTNAME\n";
print "If you wish to use a different interface name for this host, enter it now\n";

xc:

print "(Press return if $HOSTNAME is ok): ";
chomp($choice=<STDIN>);
if ($choice eq "")
{
	goto xa;
}
if (pingecho($choice,5))
{
 	$HOSTNAME=$choice;
}
else 
{
	print "$choice is not configured.  Please enter another interface name or use \[Ctrl\]\+C to exit\n";
	goto xc;
}

xa:

print "\nDo you want client boot information stored on $HOSTNAME (y/n)? ";
ea:
chomp($choice=<STDIN>);
if ($choice eq "n")
{
	$SERVER_NIS="yes";
	print "Make sure $HOSTNAME is listed in the NIS server's /etc/updaters file.\n";
}
elsif ($choice eq "y")
{
	$SERVER_NIS="no";
}
else
{
	print "\aPlease enter y or n: ";
	goto ea;
}
ed:

# Get path for diskless tree

print "\nEnter the root directory of the diskless tree \n(e.g. /diskless) : ";
chomp($choice=<STDIN>);

#Let's check if that directory exists

if ((-e $choice)&&(-d $choice))
{
	$DISKLESS=$choice;
}
else
{
	print "\a$choice does not exist.  Create (y/n)? ";
	ex:
	chomp($c = <STDIN>);
        if ($c eq "y")
        {
		@arguments = ("mkdir","-p","$choice");
                mkpath($choice,0,0755) || die "share_setup: Can't create $choice: $!\n"; 
		$DISKLESS=$choice;
        }
        elsif ($c eq "n")
        {
                goto ed;
        }
        else
        {
                print "\aPlease enter y or n: ";
                goto ex;
        }
}

# Get a name for the share tree because there can be multiple trees for
# the same IRIX version

ta:

print "\nEnter the name of the share tree (e.g. IRIX65): ";
chomp($choice=<STDIN>);
if ($choice eq "")
{
	goto ta;
}
$TREE = $choice;
$SHARE = $DISKLESS . "\/share\/" . $TREE;
print "\nShare tree will be installed at $SHARE\n\n";
again:
print "Enter the name of the share tree configuration file (no extension please): ";
chomp($choice=<STDIN>);
$choice.=".dat";
if ( -e $choice )
{
	print "$choice exists: Overwrite (y/n)? ";
eb:	chomp($c=<STDIN>);
	if ($c eq "y")
	{
		goto ok;
	}
	elsif ($c eq "n")
	{
		goto again;
	}
	else
	{
		print "\aPlease enter y or n: ";
		goto eb;
	}
}
ok:
print "\nShare tree configuration file will be written at \/var\/boot\/$choice\n";
$filename=$choice;
print "Press [Enter] to continue";
chomp($choice=<STDIN>);
system(clear);

#Get architecture information
print "***CLIENT ARCHITECTURE INFORMATION***\n\n\n";
print "*** PLEASE READ CAREFULLY ***\n";
print "If you are using a 32 bit machine as your diskless server, you can only\n";
print "install share trees for 32 bit platforms.  If you have a 64 bit server,\n";
print "you can install either a 32 or a 64 bit share tree.\n\n";
print "Do you want to install a share tree for all client platforms (y or n): ";
eba:

chomp($choice=<STDIN>);
if ($choice eq "y")
{
	wva:
	print "Which version would you like:\n";
	print "\t1. 32bit\n";
	print "\t2. 64bit\n";
	print "Choose one (1 or 2): ";
	chomp($choice=<STDIN>);
	if (($choice<1)||($choice>2))
	{
		print "\aPlease choose a proper selection\n";
		goto wva;
	}
	if ($choice==1)
	{
		pickallxxbit("32bit");
	}
	else
	{
		pickallxxbit("64bit");
	}
	goto done_selecting;

}
elsif ($choice eq "n")
{
	goto more_items;
}
else
{
	print "Please enter y or n: ";
	goto eba;
}
more_items:

# Get supported platform information for .dl_classes
# It stores the array in an array of hashes

print "\n";
get_arch();
pick_info();

print "\nAre there more client classes using this share tree (y/n)? ";
eb:
chomp($choice=<STDIN>);
if ($choice eq "y")
{
	splice(data,0,1);
	goto more_items;
}
elsif ($choice eq "n")
{
	;
}
else
{
	print "Please enter y or n: ";
	goto eb;
}
done_selecting:
print "Storing share tree configuration file at \/var\/boot\/$filename\n\n";
open (OUT,">$filename") || die "share_setup: $!\n";
print OUT "# Created by share_setup script!\n#\n";
print OUT "HOSTNAME=\"$HOSTNAME\"\n";
print OUT "SHAREHOST=\"$SHAREHOST\"\n";
print OUT "SERVER_NIS=\"$SERVER_NIS\"\n";
print OUT "DISKLESS=\"$DISKLESS\"\n";
print OUT "SHARE=\"$SHARE\"\n";
print OUT "#Architecuture information\n";
print OUT "CPUBOARD=\"$CPUBOARD\"\n";
print OUT "CPUARCH=\"$CPUARCH\"\n";
print OUT "GFXBOARD=\"$GFXBOARD\"\n";
print OUT "VIDEO=\"$VIDEO\"\n";
print OUT "MODE=\"$MODE\"\n";
close OUT;