#!/usr/bin/perl
#
# $OpenBSD: openbsd2spf,v 1.1 2003/11/18 19:07:54 sturm Exp $
#
# Copyright (c) 2003 Tom Cosgrove <tom.cosgrove@arches-consulting.com>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

use strict ;

for my $file (@ARGV)
{
  if ( open(PASSWD, "<$file") )
  {
    while ( <PASSWD> )
    {
      chomp ;

      my @f = split(/:/) ;

      if ( scalar(@f) != 10 )
      {
        print "E:0:bad format: $file: $_\n" ;
      }
      else
      {
        if ( ($f[0] =~ /^\+/) && ($f[1] eq "") )
        {
          print "E:0:ignoring passwordless NIS entry: $_\n" ;
          next ;
        }

        if ( ($f[1] =~ /^\*/) ||
             ($f[1] =~ /[\-\ ]/) )
        {
          print "E:0:ignoring locked entry: $f[0]\n" ;
          next ;
        }

        if ( ($f[1] eq "x") ||
             ($f[1] =~ /^\[\#\!\]/) )
        {
          print "E:0:ignoring shadowed entry: $f[0]\n" ;
          next ;
        }
      }

      print join(":", "D", @f[1, 1, 0, 7], $file, @f[9, 0, 7]), "\n" ;
    }

    close(PASSWD) ;
  }
  else
  {
    warn("$0: $file: no such file\n") ;
  }
}