Apache-AuthenSecurID
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@# $Id: Auth.pm,v 1.8 2002/07/30 20:31:10 Administrator Exp $
package Apache::AuthenSecurID::Auth;
use strict;
use Apache;
use Apache::Registry;
use Apache::Constants qw(:common);
use IO::Socket::INET;
use Crypt::CBC;
use vars qw($VERSION);
$VERSION = '0.4';
sub handler {
my $r = shift;
# seed the random number generator
srand (time ^ $$ ^ unpack "%L*", `ps axww | gzip -f`);
#get params
my %params = ( $r->args, $r->content );
my $username = $params {'username'};
my $passcode = $params{'passcode'};
my $type = $params{'type'};
my $uri = $params{'a'};
# get ace_initd config directives
my $ace_initd_server = $r->dir_config("ace_initd_server") || "localhost";
my $ace_initd_port = $r->dir_config("ace_initd_port") || 1969;
# grab apache session cookie
my ( $session_id ) = ( ($r->header_in("Cookie") || "") =~
/Apache=([^;]+)/);
my $client = IO::Socket::INET->new ( PeerAddr => $ace_initd_server,
PeerPort => $ace_initd_port,
Proto => 'udp' );
my %ACE;
my $request;
my $message;
my $extra_input;
if ( ( ! $username && ! $passcode ) || ( $type ne "pin" && ! $passcode ) ||
( $passcode =~ /\:/ ) ) {
$message = qq{
Please enter your username and passcode<br>
Your passcode is your 4 - 8 digit pin plus<br>
6 digit SecurID code. If you do not have<br>
a PIN yet just enter the 6 digit SecurID code.
};
$extra_input = qq{
<tr>
<td>
<font color=000000 face="Arial, Helvetica, sans-serif">
<b>
Passcode :
</b>
</font>
</td>
<td>
<input type=password name=passcode>
<input type=hidden name=type value=check>
<input type=hidden name=a value=$uri>
</td>
</tr>
};
} else {
if ( $type eq "pin" ) {
( $passcode, $message,$extra_input) = check_pin ( \%params ) ;
if ( $passcode ) {
($message,$extra_input) = Do_ACE($username,$passcode,$type,$session_id,$client,$r,\%params);
}
} else {
($message,$extra_input) = Do_ACE($username,$passcode,$type,$session_id,$client,$r,\%params);
}
}
my $head = qq{
<body bgcolor=F0F8FF link=FFFF00 alink=FFFF00 vlink=FFFF00>
<html>
<!-- $session_id -->
<center>
<form method=post>
<table>
<tr>
<td colspan=2>
<table bgcolor=cccccc >
<tr>
<td>
Auth/RCS/Auth.pm,v view on Meta::CPAN
if ( $pin_length < $min_pin_len || $pin_length > $max_pin_len ) {
$message = qq{
<b>New Pin Required</b><p>
Pin must be the correct length!!<p>
Please enter a $min_pin_len to $max_pin_len digit pin.
};
return ( 0, $message, $extra_info );
}
return ( $pin1, 0, 0 );
}
sub Do_ACE {
my ( $username,$passcode,$type,$session_id,$client,$r,$params ) = @@_;
$ENV{'VAR_ACE'} = "/opt/ace/data";
my $message;
my $extra_input;
my $result;
my %info;
my $ace;
my $mesg;
my $my_rand = rand();
my $return_rand;
my $crypt_key = $r->dir_config("AuthCryptKey");
my $crypt = new Crypt::CBC ( $crypt_key, "Blowfish" );
$mesg = $crypt->encrypt_hex ("$my_rand:$session_id:$type:$username:$passcode");
$client->send($mesg);
$client->recv($mesg, 1024);
$mesg = $crypt->decrypt_hex ( $mesg );
( $return_rand, $result, $info{system_pin}, $info{min_pin_len}, $info{max_pin_len},
$info{alphanumeric}, $info{user_selectable} )
= split /\:/, $mesg;
if ( $my_rand ne $return_rand ) {
$result = 100;
}
($message,$extra_input)=Ace_Result($result,\%info,$r,$crypt,$params,$username);
return ( $message, $extra_input );
}
sub Ace_Result {
my ( $result, $info, $r, $crypt, $params,$username ) = @@_;
my $message;
my $extra_input;
my $uri = $$params{'a'};
my $time = time ();
if ( $result == 0 ) {
my $auth_cookie = $r->dir_config("AuthCookie") || "SecurID";
my $auth_user_cookie = $r->dir_config("AuthUserCookie") || "SecurID_User";
my $crypt_cookie = $crypt->encrypt_hex ( "$time:$username" );
$r->headers_out->add("Set-Cookie" => $auth_user_cookie . "=" .
$username . "; path=" . "/");
$r->headers_out->add("Set-Cookie" => $auth_cookie . "=" .
$crypt_cookie . "; path=" . "/");
$uri = $crypt->decrypt_hex ( $uri );
# success
$message = qq{
<b>User Authenticated</b><p>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
window.location="$uri";
// End -->
</script>
If you do not have Java Script enabled<br>
please click <a href="$uri">here</a> to go to<br>
the protected page.<p>
Plase enter your username and passcode<br>
Your passcode is your 4 - 8 digit pin plus<br>
6 digit SecurID code. If you do not have<br>
a PIN yet just enter the 6 digit SecurID code.
};
$extra_input = qq{
<tr>
<td>
<font color=000000 face="Arial, Helvetica, sans-serif">
<b>
Passcode :
</b>
</font>
</td>
<td>
<input type=password name=passcode>
<input type=hidden name=type value=check>
<input type=hidden name=a value=$uri>
</td>
</tr>
};
} elsif ( $result == 1 ) {
# failure
$message = qq{
<b>User Authentication Failed</b><p>
Plase enter your username and passcode<br>
Your passcode is your 4 - 8 digit pin plus<br>
6 digit SecurID code. If you do not have<br>
a PIN yet just enter the 6 digit SecurID code.
};
$extra_input = qq{
<tr>
<td>
<font color=000000 face="Arial, Helvetica, sans-serif">
<b>
Passcode :
</b>
</font>
</td>
<td>
<input type=password name=passcode>
<input type=hidden name=type value=check>
<input type=hidden name=a value=$uri>
</td>
</tr>
Auth/RCS/Auth.pm,v view on Meta::CPAN
<b>
Passcode :
</b>
</font>
</td>
<td>
<input type=password name=passcode>
<input type=hidden name=type value=check>
<input type=hidden name=a value=$uri>
</td>
</tr>
};
} elsif ( $result == 7 ) {
$message = qq{
<b>PIN Rejected</b><p>
Please contact the system administrator.<p>
Please enter your username and passcode<br>
Your passcode is your 4 - 8 digit pin plus<br>
6 digit SecurID code.
};
$extra_input = qq{
<tr>
<td>
<font color=000000 face="Arial, Helvetica, sans-serif">
<b>
Passcode :
</b>
</font>
</td>
<td>
<input type=password name=passcode>
<input type=hidden name=type value=check>
<input type=hidden name=a value=$uri>
</td>
</tr>
};
}
return ( $message, $extra_input );
}
1;
__END__
=head1 NAME
Apache::AuthenSecurID::Auth - Authentication handler for Apache::AuthenSecurID
=head1 SYNOPSIS
# Configuration in httpd.conf
<Location /path/of/authentication/handler>
SetHandler perl-script
PerlHandler Apache::AuthenSecurID::Auth
PerlSetVar AuthCryptKey Encryption_Key
PerlSetVar AuthCookie Name_of_Authentication_Cookie
PerlSetVar AuthUserCookie Name_of_Username_Authentication_Cookie
PerlSetVar AuthCookiePath /path/of/authentication/cookie
PerlSetVar AuthApacheCookie Apache_Cookie
PerlSetVar ace_initd_server name.of.ace.handler.server.com
PerlSetVar ace_initd_port 1969
</Location>
=head1 DESCRIPTION
This module allows authentication against a SecurID server. A request
is redirected to this handler if the authentication cookie does not
exist or is no longer valid. The handler will prompt for username and
passcode. It will then construct and encrypt a UDP packet and send it to
the Ace request daemon. This is necessary since libsdiclient.a needs to
persist for NEXT TOKEN MODE and SET PIN MODE. If the authentication is
valid an encrypted Authentication Cookie is set and the request is redirected
to the originating URI. If the user needs to enter NEXT TOKEN or set their
PIN they will be prompted to do so and if valid the request is then redirected
to the originating URI.
=head1 LIST OF TOKENS
=item *
AuthCryptKey
The Blowfish key used to encrypt and decrypt the authentication cookie.
It defaults to F<my secret> if this variable is not set.
=item *
AuthCookie
The name of the of cookie to be set for the authentication token.
It defaults to F<SecurID> if this variable is not set.
=item *
AuthUserCookie
The name of the of cookie that contains the value of the persons username
in plain text. This is checked against the contents of the encrypted cookie
to verify user. The cookie is set of other applications can identify
authorized users. It defaults to F<SecurID_User> if this variable is not set.
=item *
AuthCookiePath
The path of the of cookie to be set for the authentication token.
It defaults to F</> if this variable is not set.
=item *
AuthApacheCookie
The name of the mod_usertrack cookie. The mod_usertrack module must be
compile and enabled in order to track user sessions. This is set by the
CookieName directive in httpd.conf. It defaults to F<Apache> if this variable
is not set.
=item *
ace_initd_server
The name of the server running the ACE request daemon. This daemon is the
actual process that communicates with the ACE Server. If the user is in
NEXT TOKEN MODE due to repeated failures or SET PIN MODE the Authen::ACE
object must persist beyond the initial request. A request packet is
constructed with a random number, type of transaction, username, passcode
and session identifier. The request packet is then encrypted using Blowfish
and sent to the ACE request daemon. The ACE request daemon decrypts and
parses the packet. The request if forwarded to the ACE server and the
response is sent back to the handler. The random number originally sent is
returned to prevent attacks. It defaults to F<localhost> if this variable
is not set.
=item *
ace_initd_port
The port the that the Ace request daemon listens on. It defaults to F<1969>
if this variable is not set.
=head1 CONFIGURATION
The module should be loaded upon startup of the Apache daemon.
Add the following line to your httpd.conf:
PerlModule Apache::AuthenSecurID::Auth
=head1 PREREQUISITES
For AuthenSecurID::Auth you need to enable the appropriate call-back hook
when making mod_perl:
perl Makefile.PL PERL_AUTHEN=1
AuthenSecurID::Auth requires Crypt::Blowfish and Crypt::CBC.
For AuthenSecurID::Auth to properly track users mod_usertrack must be
compiled and enabled.
=head1 SEE ALSO
L<Apache>, L<mod_perl>, L<Authen::ACE> L<Apache::AuthenSecurID::Auth>
=head1 AUTHORS
=item *
mod_perl by Doug MacEachern <dougm@@osf.org>
=item *
Authen::ACE by Dave Carrigan <Dave.Carrigan@@iplenergy.com>
=item *
Apache::AuthenSecurID by David Berk <dberk@@lump.org>
=item *
Auth/RCS/Auth.pm,v view on Meta::CPAN
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# $Id: Auth.pm,v 1.4 2001/06/19 19:39:39 root Exp root $
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will be redirected to this handler if the authentication cookie does not
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PIN they will be prompted to do so and then redirected to the originating
URI.
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The name of the of cookie to be set for the authenticaion token.
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authorizied users. It defaults to F<SecurID_User> if this variable is not set.
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The path of the of cookie to be set for the authenticaion token.
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actuall process that communicates with the ACE Server. If the user is in
NEXT TOKEN MODE due to repeated failures or SET PIN MODE the Authein::ACE
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constructed ith a random number, type of transaction, the username, passcode
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responce is sent back to the handler. The random number originally sent is
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# $Id: Auth.pm,v 1.2 2001/06/19 19:05:42 root Exp root $
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<body bgcolor=F0F8FF >
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<!-- $session_id -->
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my ($message,$extra_input)=Ace_Result($result,\%info,$r,$crypt,$params);
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my ( $result, $info, $r, $crypt, $params ) = @@_;
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my $crypt_cookie = $crypt->encrypt_hex ( "hello:hello" );
$r->err_header_out("Set-Cookie" => $auth_cookie . "=" .
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my $client = IO::Socket::INET->new ( PeerAddr => 'dev.cbs.cbsig.net',
PeerPort => 1969,
Proto => 'udp' )
or die "Couldn't be a tcp server on port 1969: $!\n";
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$r->print ("$mesg<br>\n");
$r->print ("$result,\%info,$r,$crypt,$params");
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@convert to Apache::Registry
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use Apache::Registery;
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my $username = %params {'username'};
my $passcode = %params{'passcode'};
my $type = %params{'type'};
my $session_id = $query->cookie(-name=>'Apache');
my $client = IO::Socket::INET->new ( PeerAddr => 'srent02.local.nyc01.cbsig.net',
PeerPort => 1969,
Proto => 'udp' )
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$r->content_type ('text/html');
$r->send_http_header;
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( $passcode, $message,$extra_input) = check_pin ( $query ) ;
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($message,$extra_input) = Do_ACE($username,$passcode,$type,$session_id,$client);
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