external/bsd/openldap/dist/servers/slapd/back-sql/bind.c

   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