1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/* bind.c - DNS SRV backend bind function */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2000-2022 The OpenLDAP Foundation.
* Portions Copyright 2000-2003 Kurt D. Zeilenga.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was originally developed by Kurt D. Zeilenga for inclusion
* in OpenLDAP Software.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "proto-dnssrv.h"
int
dnssrv_back_bind(
Operation *op,
SlapReply *rs )
{
Debug( LDAP_DEBUG_TRACE, "DNSSRV: bind dn=\"%s\" (%d)\n",
BER_BVISNULL( &op->o_req_dn ) ? "" : op->o_req_dn.bv_val,
op->orb_method );
/* allow rootdn as a means to auth without the need to actually
* contact the proxied DSA */
switch ( be_rootdn_bind( op, NULL ) ) {
case LDAP_SUCCESS:
/* frontend will send result */
return rs->sr_err;
default:
/* treat failure and like any other bind, otherwise
* it could reveal the DN of the rootdn */
break;
}
if ( !BER_BVISNULL( &op->orb_cred ) &&
!BER_BVISEMPTY( &op->orb_cred ) )
{
/* simple bind */
Debug( LDAP_DEBUG_STATS,
"%s DNSSRV BIND dn=\"%s\" provided cleartext passwd\n",
op->o_log_prefix,
BER_BVISNULL( &op->o_req_dn ) ? "" : op->o_req_dn.bv_val );
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"you shouldn't send strangers your password" );
} else {
/* unauthenticated bind */
/* NOTE: we're not going to get here anyway:
* unauthenticated bind is dealt with by the frontend */
Debug( LDAP_DEBUG_TRACE, "DNSSRV: BIND dn=\"%s\"\n",
BER_BVISNULL( &op->o_req_dn ) ? "" : op->o_req_dn.bv_val );
send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM,
"anonymous bind expected" );
}
return 1;
}
|
