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updates to auth_vpopmail_sql module

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updates to auth_vpopmail_sql module
 - moved vpopmail database parameters into config files
 - added LIMITATIONS section to POD, noting no support for alias domains
 - renamed sub from authsql (too generic) to auth_vmysql

Signed-off-by: Robert <rspier@pobox.com>
This commit is contained in:
Matt Simerson 2010-05-10 19:13:15 -04:00 committed by Robert
parent fbbf43ad15
commit 0ae24edc55
1 changed files with 43 additions and 30 deletions
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63
plugins/auth/auth_vpopmail_sql
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@ -15,18 +15,34 @@ to compare the crypted password.
=head1 CONFIGURATION
Decide which authentication methods you are willing to support and uncomment
echo "dbi:mysql:dbname=vpopmail;host=127.0.0.1" > config/vpopmail_mysql_dsn
echo "vpopmailuser" > config/vpopmail_mysql_user
echo "vpoppasswd" > config/vpopmail_mysql_pass
This can be a read-only database user since the plugin does not update the
last accessed time (yet, see below).
This module supports PLAIN, LOGIN, and CRAM-MD5 authentication methods. You
can disable undesired methods by editing this module and uncommenting
the lines in the register() sub. See the POD for Qspmtpd::Auth for more
details on the ramifications of supporting various authentication methods.
Then, change the database information at the top of the authsql() sub so that
the module can access the database. This can be a read-only account since
the plugin does not update the last accessed time (yet, see below).
The remote user must login with a fully qualified e-mail address (i.e. both
account name and domain), even if they don't normally need to. This is
because the vpopmail table has a unique index on pw_name/pw_domain, and this
module requires that only a single record be returned from the database.
=head1 LIMITATIONS
This authentication modules does not recognize domain aliases. So, if you have
the domain example.com, with domain aliases for example.org and example.net,
smtp-auth will only work for $user@example.com. If you have domain aliases,
consider using the auth_checkpassword plugin.
The checkpassword plugin only supports plain and login authentications, where
this plugin also supports CRAM-MD5. I use both modules together. I use this one
for CRAM-MD5 and the checkpassword plugin for plain and login.
=head1 FUTURE DIRECTION
The default MySQL configuration for vpopmail includes a table to log access,
@ -50,41 +66,38 @@ Please see the LICENSE file included with qpsmtpd for details.
sub register {
my ( $self, $qp ) = @_;
$self->register_hook("auth-plain", "authsql" );
$self->register_hook("auth-login", "authsql" );
$self->register_hook("auth-cram-md5", "authsql");
$self->register_hook("auth-plain", "auth_vmysql" );
$self->register_hook("auth-login", "auth_vmysql" );
$self->register_hook("auth-cram-md5", "auth_vmysql");
}
sub authsql {
sub auth_vmysql {
my ( $self, $transaction, $method, $user, $passClear, $passHash, $ticket ) = @_;
use DBI;
use Qpsmtpd::Constants;
use Digest::HMAC_MD5 qw(hmac_md5_hex);
# $DB::single = 1;
my $connect = "dbi:mysql:dbname=vpopmail";
my $dbuser = "vpopmailuser";
my $dbpasswd = "vpoppasswd";
my $dsn = $self->qp->config("vpopmail_mysql_dsn") || "dbi:mysql:dbname=vpopmail;host=127.0.0.1";
my $dbuser = $self->qp->config("vpopmail_mysql_user") || "vpopmailuser";
my $dbpass = $self->qp->config("vpopmail_mysql_pass") || "vpoppasswd";
my $dbh = DBI->connect( $connect, $dbuser, $dbpasswd );
my $dbh = DBI->connect( $dsn, $dbuser, $dbpass );
$dbh->{ShowErrorStatement} = 1;
my ( $self, $transaction, $method, $user, $passClear, $passHash, $ticket ) =
@_;
my ( $pw_name, $pw_domain ) = split "@", lc($user);
my ( $pw_name, $pw_domain ) = split '@', lc($user);
unless ( defined $pw_domain ) {
return DECLINED;
}
return DECLINED if ! defined $pw_domain;
$self->log(LOGINFO,
"Authentication to vpopmail via mysql: $pw_name\@$pw_domain");
my $sth = $dbh->prepare(<<SQL);
select *
from vpopmail
where pw_name = ? and pw_domain = ?
SELECT *
FROM vpopmail
WHERE pw_name = ? AND pw_domain = ?
SQL
$sth->execute( $pw_name, $pw_domain );
@ -107,7 +120,7 @@ SQL
# user doesn't exist in this domain
( not defined $pw_passwd )
) {
return ( DECLINED, "authsql/$method" );
return ( DECLINED, "auth_vmysql/$method" );
}
# at this point we can assume the user name matched
@ -123,10 +136,10 @@ SQL
)
{
return ( OK, "authsql/$method" );
return ( OK, "auth_vmysql/$method" );
}
else {
return ( DENY, "authsql/$method - wrong password" );
return ( DENY, "auth_vmysql/$method - wrong password" );
}
}