#!%PerlProg%
#
# froshlog - create freshman logins
#
# assumes first field is alias
#
# usage: froshlog config ph-output login-output [files]
#	froshlog prod.cnf sf.new frosh.logins sf.prefrosh >frosh.problems
#	         $CONFIG  $PH    $FROSH       $STDIN
#
# Copyright (c) 1985 Corporation for Research and Educational Networking
# Copyright (c) 1988 University of Illinois Board of Trustees, Steven
#		Dorner, and Paul Pomes
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by the Corporation for
#	Research and Educational Networking (CREN), the University of
#	Illinois at Urbana, and their contributors.
# 4. Neither the name of CREN, the University nor the names of their
#    contributors may be used to endorse or promote products derived from
#    this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE TRUSTEES AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE TRUSTEES OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# @(#)$Id: froshlog,v 1.2 1995/01/11 00:05:11 p-pomes Exp $


if ($#ARGV<3)
  {print STDERR "Usage: froshlog config ph-output login-output [files]\n";exit 1;}
 
#
# find the numbers of the name and alias fields
$anum = $enum = $cnum = -1;
$config=shift;
open (CONFIG,$config) || die "$config: $!\n";
while (<CONFIG>)
{
  if (/:curriculum:/) {($cnum)=(split(':'))[0];}
  elsif (/:alias:/) {($anum)=(split(':'))[0];}
  elsif (/:email:/) {($enum)=(split(':'))[0];}
  elsif (/:CCSO-accounts:/) {($canum)=(split(':'))[0];}
}

$ph = shift;
$frosh = shift;
open(PH,">$ph") || die "$ph: $!\n";
open(FROSH,">$frosh") || die "$frosh: $!\n";

while (<>)
{
  if (/\t$cnum:incoming/o && !/\t$enum:/o && !/\t$canum:[^\t]+@uxa/o &&
      !/\t$canum:[^\t]+@ux4/o && !/\t$canum:[^\t]+@ux5/o)
  {
    $alias = $_;
    chop($alias);
    $alias =~ s/.*\t$anum://;
    $alias =~ s/$anum://;
    $alias =~ s/\t.*//;
    if (length($alias)>8) {print;}
    elsif (/\t$canum:/o)
    {
      $_ =~ s/\n/\t$enum:$alias@ux5.cso.uiuc.edu\n/;
      $_ =~ s/\t$canum:/\t$canum:$alias@ux5,/;
      print FROSH;
    }
    else
    {
      $_ =~ s/\n/\t$enum:$alias@ux5.cso.uiuc.edu\t$canum:$alias@ux5\n/;
      print FROSH;
    }
  }
  print PH;
}