git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/modify.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2004 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by Dmitry Kovalev for inclusion
  18  * by OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22
  23 #include <stdio.h>
  24 #include <sys/types.h>
  25 #include "ac/string.h"
  26
  27 #include "slap.h"
  28 #include "proto-sql.h"
  29
  30 int
  31 backsql_modify( Operation *op, SlapReply *rs )
  32 {
  33         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  34         SQLHDBC                 dbh;
  35         backsql_oc_map_rec      *oc = NULL;
  36         backsql_entryID         e_id = BACKSQL_ENTRYID_INIT;
  37         Entry                   e;
  38
  39         /*
  40          * FIXME: in case part of the operation cannot be performed
  41          * (missing mapping, SQL write fails or so) the entire operation
  42          * should be rolled-back
  43          */
  44         Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
  45                 op->o_req_ndn.bv_val, 0, 0 );
  46
  47         rs->sr_err = backsql_get_db_conn( op, &dbh );
  48         if ( rs->sr_err != LDAP_SUCCESS ) {
  49                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  50                         "could not get connection handle - exiting\n",
  51                         0, 0, 0 );
  52                 /*
  53                  * FIXME: we don't want to send back
  54                  * excessively detailed messages
  55                  */
  56                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  57                         ? "SQL-backend error" : NULL;
  58                 goto done;
  59         }
  60
  61         rs->sr_err = backsql_dn2id( op, rs, &e_id, dbh, &op->o_req_ndn, 1 );
  62         if ( rs->sr_err != LDAP_SUCCESS ) {
  63                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  64                         "could not lookup entry id\n", 0, 0, 0 );
  65                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  66                         ? "SQL-backend error" : NULL;
  67                 goto done;
  68         }
  69
  70 #ifdef BACKSQL_ARBITRARY_KEY
  71         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  72                 "modifying entry \"%s\" (id=%s)\n",
  73                 e_id.eid_dn.bv_val, e_id.eid_id.bv_val, 0 );
  74 #else /* ! BACKSQL_ARBITRARY_KEY */
  75         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  76                 "modifying entry \"%s\" (id=%ld)\n",
  77                 e_id.eid_dn.bv_val, e_id.eid_id, 0 );
  78 #endif /* ! BACKSQL_ARBITRARY_KEY */
  79
  80         oc = backsql_id2oc( bi, e_id.eid_oc_id );
  81         if ( oc == NULL ) {
  82                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  83                         "cannot determine objectclass of entry -- aborting\n",
  84                         0, 0, 0 );
  85                 /*
  86                  * FIXME: should never occur, since the entry was built!!!
  87                  */
  88
  89                 /*
  90                  * FIXME: we don't want to send back
  91                  * excessively detailed messages
  92                  */
  93                 rs->sr_err = LDAP_OTHER;
  94                 rs->sr_text = "SQL-backend error";
  95                 goto done;
  96         }
  97
  98         e.e_attrs = NULL;
  99         e.e_name = op->o_req_dn;
 100         e.e_nname = op->o_req_ndn;
 101         if ( !acl_check_modlist( op, &e, op->oq_modify.rs_modlist ) ) {
 102                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 103
 104         } else {
 105                 rs->sr_err = backsql_modify_internal( op, rs, dbh, oc, &e_id,
 106                                 op->oq_modify.rs_modlist );
 107         }
 108
 109         if ( rs->sr_err == LDAP_SUCCESS ) {
 110                 /*
 111                  * Commit only if all operations succeed
 112                  */
 113                 SQLTransact( SQL_NULL_HENV, dbh,
 114                                 op->o_noop ? SQL_ROLLBACK : SQL_COMMIT );
 115         }
 116
 117 done:;
 118         send_ldap_result( op, rs );
 119         Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 );
 120
 121         return rs->sr_err != LDAP_SUCCESS ? rs->sr_err : op->o_noop;
 122 }
 123