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# --
# Kernel/System/Auth/DB.pm - provides the db authentification
# Copyright (C) 2001-2005 Martin Edenhofer <martin+code@otrs.org>
# --
# $Id: DB.pm,v 1.12 2005/10/17 20:15:08 martin Exp $
# --
# This software comes with ABSOLUTELY NO WARRANTY. For details, see
# the enclosed file COPYING for license information (GPL). If you
# did not receive this file, see http://www.gnu.org/licenses/gpl.txt.
# --
# Note:
# available objects are: ConfigObject, LogObject and DBObject
# --
package Kernel::System::Auth::DB;
use strict;
use vars qw($VERSION);
$VERSION = '$Revision: 1.12 $';
$VERSION =~ s/^\$.*:\W(.*)\W.+?$/$1/;
# --
sub new {
my $Type = shift;
my %Param = @_;
# allocate new hash for object
my $Self = {};
bless ($Self, $Type);
# check needed objects
foreach (qw(LogObject ConfigObject DBObject)) {
$Self->{$_} = $Param{$_} || die "No $_!";
}
# Debug 0=off 1=on
$Self->{Debug} = 0;
# get user table
$Self->{UserTable} = $Self->{ConfigObject}->Get('DatabaseUserTable')
|| 'user';
$Self->{UserTableUserID} = $Self->{ConfigObject}->Get('DatabaseUserTableUserID')
|| 'id';
$Self->{UserTableUserPW} = $Self->{ConfigObject}->Get('DatabaseUserTableUserPW')
|| 'pw';
$Self->{UserTableUser} = $Self->{ConfigObject}->Get('DatabaseUserTableUser')
|| 'login';
return $Self;
}
# --
sub GetOption {
my $Self = shift;
my %Param = @_;
# check needed stuff
if (!$Param{What}) {
$Self->{LogObject}->Log(Priority => 'error', Message => "Need What!");
return;
}
# module options
my %Option = (
PreAuth => 0,
);
# return option
return $Option{$Param{What}};
}
# --
sub Auth {
my $Self = shift;
my %Param = @_;
# check needed stuff
if (!$Param{User}) {
$Self->{LogObject}->Log(Priority => 'error', Message => "Need User!");
return;
}
# get params
my $User = $Param{User} || '';
my $Pw = $Param{Pw} || '';
my $RemoteAddr = $ENV{REMOTE_ADDR} || 'Got no REMOTE_ADDR env!';
my $UserID = '';
my $GetPw = '';
# sql query
my $SQL = "SELECT $Self->{UserTableUserPW}, $Self->{UserTableUserID} ".
" FROM ".
" $Self->{UserTable} ".
" WHERE ".
" valid_id in ( ${\(join ', ', $Self->{DBObject}->GetValidIDs())} ) ".
" AND ".
" $Self->{UserTableUser} = '".$Self->{DBObject}->Quote($User)."'";
$Self->{DBObject}->Prepare(SQL => $SQL);
while (my @Row = $Self->{DBObject}->FetchrowArray()) {
$GetPw = $Row[0];
$UserID = $Row[1];
}
# crypt given pw
my $CryptedPw = '';
my $Salt = $GetPw;
# strip Salt only for (Extended) DES, not for any of Modular crypt's
if ($Salt !~ /^\$\d\$/) {
$Salt =~ s/^(..).*/$1/;
}
# and do this check only in such case (unfortunately there is a mod_perl2
# bug on RH8 - check if crypt() is working correctly) :-/
if (($Salt =~ /^\$\d\$/) || (crypt('root', 'root@localhost') eq 'roK20XGbWEsSM')) {
$CryptedPw = crypt($Pw, $Salt);
}
else {
$Self->{LogObject}->Log(
Priority => 'notice',
Message => "The crypt() of your mod_perl(2) is not working correctly! Update mod_perl!",
);
my $TempSalt = quotemeta($Salt);
my $TempPw = quotemeta($Pw);
my $CMD = "perl -e \"print crypt('$TempPw', '$TempSalt');\"";
open (IO, " $CMD | ") || print STDERR "Can't open $CMD: $!";
while (<IO>) {
$CryptedPw .= $_;
}
close (IO);
chomp $CryptedPw;
}
# just in case for debug!
if ($Self->{Debug} > 0) {
$Self->{LogObject}->Log(
Priority => 'notice',
Message => "User: '$User' tried to authenticate with Pw: '$Pw' ($UserID/$CryptedPw/$GetPw/$Salt/$RemoteAddr)",
);
}
# just a note
if (!$Pw) {
$Self->{LogObject}->Log(
Priority => 'notice',
Message => "User: $User without Pw!!! (REMOTE_ADDR: $RemoteAddr)",
);
return;
}
# login note
elsif ((($GetPw)&&($User)&&($UserID)) && $CryptedPw eq $GetPw) {
# maybe check if pw is expired
# if () {
# $Self->{LogObject}->Log(
# Priority => 'info',
# Message => "Password is expired!",
# );
# return;
# }
$Self->{LogObject}->Log(
Priority => 'notice',
Message => "User: $User authentication ok (REMOTE_ADDR: $RemoteAddr).",
);
return $User;
}
# just a note
elsif (($UserID) && ($GetPw)) {
$Self->{LogObject}->Log(
Priority => 'notice',
Message => "User: $User authentication with wrong Pw!!! (REMOTE_ADDR: $RemoteAddr)"
);
return;
}
# just a note
else {
$Self->{LogObject}->Log(
Priority => 'notice',
Message => "User: $User doesn't exist or is invalid!!! (REMOTE_ADDR: $RemoteAddr)"
);
return;
}
}
# --
1;
|
