bind.c revision 1.3 
1/*	$NetBSD: bind.c,v 1.3 2021/08/14 16:15:01 christos Exp $	*/
2
3/* $OpenLDAP$ */
4/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1999-2021 The OpenLDAP Foundation.
7 * Portions Copyright 1999 Dmitry Kovalev.
8 * Portions Copyright 2002 Pierangelo Masarati.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in the file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19/* ACKNOWLEDGEMENTS:
20 * This work was initially developed by Dmitry Kovalev for inclusion
21 * by OpenLDAP Software.  Additional significant contributors include
22 * Pierangelo Masarati.
23 */
24
25#include <sys/cdefs.h>
26__RCSID("$NetBSD: bind.c,v 1.3 2021/08/14 16:15:01 christos Exp $");
27
28#include "portable.h"
29
30#include <stdio.h>
31#include <sys/types.h>
32
33#include "slap.h"
34#include "proto-sql.h"
35
36int
37backsql_bind( Operation *op, SlapReply *rs )
38{
39	SQLHDBC			dbh = SQL_NULL_HDBC;
40	Entry			e = { 0 };
41	Attribute		*a;
42	backsql_srch_info	bsi = { 0 };
43	AttributeName		anlist[2];
44	int			rc;
45
46	Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n" );
47
48	switch ( be_rootdn_bind( op, rs ) ) {
49	case SLAP_CB_CONTINUE:
50		break;
51
52	default:
53		/* in case of success, front end will send result;
54		 * otherwise, be_rootdn_bind() did */
55 		Debug( LDAP_DEBUG_TRACE, "<==backsql_bind(%d)\n",
56			rs->sr_err );
57		return rs->sr_err;
58	}
59
60	rs->sr_err = backsql_get_db_conn( op, &dbh );
61	if ( rs->sr_err != LDAP_SUCCESS ) {
62     		Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
63			"could not get connection handle - exiting\n" );
64
65		rs->sr_text = ( rs->sr_err == LDAP_OTHER )
66			? "SQL-backend error" : NULL;
67		goto error_return;
68	}
69
70	anlist[0].an_name = slap_schema.si_ad_userPassword->ad_cname;
71	anlist[0].an_desc = slap_schema.si_ad_userPassword;
72	anlist[1].an_name.bv_val = NULL;
73
74	bsi.bsi_e = &e;
75	rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
76			(time_t)(-1), NULL, dbh, op, rs, anlist,
77			BACKSQL_ISF_GET_ENTRY );
78	if ( rc != LDAP_SUCCESS ) {
79		Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
80			"could not retrieve bindDN ID - no such entry\n" );
81		rs->sr_err = LDAP_INVALID_CREDENTIALS;
82		goto error_return;
83	}
84
85	a = attr_find( e.e_attrs, slap_schema.si_ad_userPassword );
86	if ( a == NULL ) {
87		rs->sr_err = LDAP_INVALID_CREDENTIALS;
88		goto error_return;
89	}
90
91	if ( slap_passwd_check( op, &e, a, &op->oq_bind.rb_cred,
92				&rs->sr_text ) != 0 )
93	{
94		rs->sr_err = LDAP_INVALID_CREDENTIALS;
95		goto error_return;
96	}
97
98error_return:;
99	if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
100		(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
101	}
102
103	if ( !BER_BVISNULL( &e.e_nname ) ) {
104		backsql_entry_clean( op, &e );
105	}
106
107	if ( bsi.bsi_attrs != NULL ) {
108		op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
109	}
110
111	if ( rs->sr_err != LDAP_SUCCESS ) {
112		send_ldap_result( op, rs );
113	}
114
115	Debug( LDAP_DEBUG_TRACE,"<==backsql_bind()\n" );
116
117	return rs->sr_err;
118}
119
120