bind.c revision 1.2 
1/*	$NetBSD: bind.c,v 1.2 2020/08/11 13:15:42 christos Exp $	*/
2
3/* $OpenLDAP$ */
4/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 1999-2020 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 1.2 2020/08/11 13:15:42 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", 0, 0, 0 );
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, 0, 0 );
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			0, 0, 0 );
65
66		rs->sr_text = ( rs->sr_err == LDAP_OTHER )
67			? "SQL-backend error" : NULL;
68		goto error_return;
69	}
70
71	anlist[0].an_name = slap_schema.si_ad_userPassword->ad_cname;
72	anlist[0].an_desc = slap_schema.si_ad_userPassword;
73	anlist[1].an_name.bv_val = NULL;
74
75	bsi.bsi_e = &e;
76	rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
77			(time_t)(-1), NULL, dbh, op, rs, anlist,
78			BACKSQL_ISF_GET_ENTRY );
79	if ( rc != LDAP_SUCCESS ) {
80		Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
81			"could not retrieve bindDN ID - no such entry\n",
82			0, 0, 0 );
83		rs->sr_err = LDAP_INVALID_CREDENTIALS;
84		goto error_return;
85	}
86
87	a = attr_find( e.e_attrs, slap_schema.si_ad_userPassword );
88	if ( a == NULL ) {
89		rs->sr_err = LDAP_INVALID_CREDENTIALS;
90		goto error_return;
91	}
92
93	if ( slap_passwd_check( op, &e, a, &op->oq_bind.rb_cred,
94				&rs->sr_text ) != 0 )
95	{
96		rs->sr_err = LDAP_INVALID_CREDENTIALS;
97		goto error_return;
98	}
99
100error_return:;
101	if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
102		(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
103	}
104
105	if ( !BER_BVISNULL( &e.e_nname ) ) {
106		backsql_entry_clean( op, &e );
107	}
108
109	if ( bsi.bsi_attrs != NULL ) {
110		op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
111	}
112
113	if ( rs->sr_err != LDAP_SUCCESS ) {
114		send_ldap_result( op, rs );
115	}
116
117	Debug( LDAP_DEBUG_TRACE,"<==backsql_bind()\n", 0, 0, 0 );
118
119	return rs->sr_err;
120}
121
122