#! /usr/pkg/bin/perl
#
#  Convert /etc/passwd and /etc/shadow to userdb format.
#
#
# Copyright 1998 - 1999 Double Precision, Inc.  See COPYING for
# distribution information.

use Getopt::Long;

#
#  Some undocumented options here (for vchkpw2userdb)
#

die "Invalid options.\n" unless
	GetOptions("passwd=s" => \$passwd, "shadow=s" => \$shadow,
		"noshadow" => \$noshadow, "nouid" => \$nouid,
		"domain=s" => \$domain, "vpopuid" => \$vpopuid );

($dummy, $dummy, $fixed_uid, $fixed_gid)=getpwnam("vpopmail")
	if $vpopuid;

$passwd="/etc/passwd" unless $passwd =~ /./;
$shadow="/etc/shadow" unless $shadow =~ /./;

$domain="" unless $domain =~ /./;
$domain="\@$domain" if $domain =~ /./;

open(PASSWD, $passwd) || die "$!\n";

while (<PASSWD>)
{
	chop if /\n$/;
	next if /^#/;
	($acct,$passwd,$uid,$gid,$name,$home,$shell)=split( /:/ );

	($uid,$gid)=($fixed_uid,$fixed_gid) if $vpopuid;

	$PASSWORD{$acct}=$passwd if $passwd ne "x";
	$UID{$acct}=$uid;
	$GID{$acct}=$gid;
	$HOME{$acct}=$home;
	$SHELL{$acct}=$shell;

	$name =~ s/\|/./g;	# Just in case
	$GECOS{$acct}=$name;
}
close (PASSWD);

if ( -f $shadow && ! $noshadow)
{
	open (SHADOW, $shadow) || die "$!\n";
	while (<SHADOW>)
	{
		next if /^#/;
		($acct,$passwd,$dummy)=split(/:/);
		$PASSWORD{$acct}=$passwd;
	}
	close (SHADOW);
}

while ( defined ($key=each %UID))
{
	print "$key$domain\tuid=$UID{$key}|gid=$GID{$key}|home=$HOME{$key}" .
		( $SHELL{$key} =~ /./ ? "|shell=$SHELL{$key}":"") .
		( $PASSWORD{$key} =~ /./ ? "|systempw=$PASSWORD{$key}":"") .
		( $GECOS{$key} =~ /./ ? "|gecos=$GECOS{$key}":"") .
		"\n";
	print "$UID{$key}=\t$key\n" unless $nouid;
}
