1/* $OpenLDAP$ */
2/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3 *
4 * Copyright 1999-2011 The OpenLDAP Foundation.
5 * Portions Copyright 1999 Dmitry Kovalev.
6 * Portions Copyright 2002 Pierangelo Masarati.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
11 * Public License.
12 *
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
16 */
17/* ACKNOWLEDGEMENTS:
18 * This work was initially developed by Dmitry Kovalev for inclusion
19 * by OpenLDAP Software.  Additional significant contributors include
20 * Pierangelo Masarati.
21 */
22
23#include "portable.h"
24
25#include <stdio.h>
26#include <sys/types.h>
27
28#include "slap.h"
29#include "proto-sql.h"
30
31int
32backsql_bind( Operation *op, SlapReply *rs )
33{
34	SQLHDBC			dbh = SQL_NULL_HDBC;
35	Entry			e = { 0 };
36	Attribute		*a;
37	backsql_srch_info	bsi = { 0 };
38	AttributeName		anlist[2];
39	int			rc;
40
41 	Debug( LDAP_DEBUG_TRACE, "==>backsql_bind()\n", 0, 0, 0 );
42
43	switch ( be_rootdn_bind( op, rs ) ) {
44	case SLAP_CB_CONTINUE:
45		break;
46
47	default:
48		/* in case of success, front end will send result;
49		 * otherwise, be_rootdn_bind() did */
50 		Debug( LDAP_DEBUG_TRACE, "<==backsql_bind(%d)\n",
51			rs->sr_err, 0, 0 );
52		return rs->sr_err;
53	}
54
55	rs->sr_err = backsql_get_db_conn( op, &dbh );
56	if ( rs->sr_err != LDAP_SUCCESS ) {
57     		Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
58			"could not get connection handle - exiting\n",
59			0, 0, 0 );
60
61		rs->sr_text = ( rs->sr_err == LDAP_OTHER )
62			? "SQL-backend error" : NULL;
63		goto error_return;
64	}
65
66	anlist[0].an_name = slap_schema.si_ad_userPassword->ad_cname;
67	anlist[0].an_desc = slap_schema.si_ad_userPassword;
68	anlist[1].an_name.bv_val = NULL;
69
70	bsi.bsi_e = &e;
71	rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
72			(time_t)(-1), NULL, dbh, op, rs, anlist,
73			BACKSQL_ISF_GET_ENTRY );
74	if ( rc != LDAP_SUCCESS ) {
75		Debug( LDAP_DEBUG_TRACE, "backsql_bind(): "
76			"could not retrieve bindDN ID - no such entry\n",
77			0, 0, 0 );
78		rs->sr_err = LDAP_INVALID_CREDENTIALS;
79		goto error_return;
80	}
81
82	a = attr_find( e.e_attrs, slap_schema.si_ad_userPassword );
83	if ( a == NULL ) {
84		rs->sr_err = LDAP_INVALID_CREDENTIALS;
85		goto error_return;
86	}
87
88	if ( slap_passwd_check( op, &e, a, &op->oq_bind.rb_cred,
89				&rs->sr_text ) != 0 )
90	{
91		rs->sr_err = LDAP_INVALID_CREDENTIALS;
92		goto error_return;
93	}
94
95error_return:;
96	if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
97		(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
98	}
99
100	if ( !BER_BVISNULL( &e.e_nname ) ) {
101		backsql_entry_clean( op, &e );
102	}
103
104	if ( bsi.bsi_attrs != NULL ) {
105		op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
106	}
107
108	if ( rs->sr_err != LDAP_SUCCESS ) {
109		send_ldap_result( op, rs );
110	}
111
112	Debug( LDAP_DEBUG_TRACE,"<==backsql_bind()\n", 0, 0, 0 );
113
114	return rs->sr_err;
115}
116
117