xref: /netbsd-src/external/bsd/openldap/dist/servers/slapd/back-sql/bind.c (revision 3816d47b2c42fcd6e549e3407f842a5b1a1d23ad)
1 /* $OpenLDAP: pkg/ldap/servers/slapd/back-sql/bind.c,v 1.41.2.3 2008/02/11 23:26:48 kurt Exp $ */
2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
3  *
4  * Copyright 1999-2008 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 
31 int
32 backsql_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 
95 error_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