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bind.c revision 1.4 
      1 /*	$NetBSD: bind.c,v 1.4 2025/09/05 21:16:31 christos Exp $	*/
      2 
      3 /* $OpenLDAP$ */
      4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
      5  *
      6  * Copyright 1999-2024 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 1.4 2025/09/05 21:16:31 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 
     36 int
     37 backsql_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 
     98 error_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 	SQLTransact( SQL_NULL_HENV, dbh, SQL_ROLLBACK );
    116 	Debug( LDAP_DEBUG_TRACE,"<==backsql_bind()\n" );
    117 
    118 	return rs->sr_err;
    119 }
    120 
    121