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 #ifdef SLAPD_SQL
  24
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include "ac/string.h"
  28
  29 #include "slap.h"
  30 #include "ldap_pvt.h"
  31 #include "proto-sql.h"
  32
  33 int
  34 backsql_modify( Operation *op, SlapReply *rs )
  35 {
  36         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  37         SQLHDBC                 dbh;
  38         backsql_oc_map_rec      *oc = NULL;
  39         backsql_entryID         e_id;
  40         Entry                   e;
  41
  42         /*
  43          * FIXME: in case part of the operation cannot be performed
  44          * (missing mapping, SQL write fails or so) the entire operation
  45          * should be rolled-back
  46          */
  47         Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
  48                 op->o_req_ndn.bv_val, 0, 0 );
  49
  50         rs->sr_err = backsql_get_db_conn( op, &dbh );
  51         if ( rs->sr_err != LDAP_SUCCESS ) {
  52                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  53                         "could not get connection handle - exiting\n",
  54                         0, 0, 0 );
  55                 /*
  56                  * FIXME: we don't want to send back
  57                  * excessively detailed messages
  58                  */
  59                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  60                         ? "SQL-backend error" : NULL;
  61                 send_ldap_result( op, rs );
  62                 return 1;
  63         }
  64
  65         rs->sr_err = backsql_dn2id( bi, &e_id, dbh, &op->o_req_ndn );
  66         if ( rs->sr_err != LDAP_SUCCESS ) {
  67                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  68                         "could not lookup entry id\n", 0, 0, 0 );
  69                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  70                         ? "SQL-backend error" : NULL;
  71                 send_ldap_result( op, rs );
  72                 return 1;
  73         }
  74
  75         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  76                 "modifying entry \"%s\" (id=%ld)\n",
  77                 e_id.dn.bv_val, e_id.id, 0 );
  78
  79         oc = backsql_id2oc( bi, e_id.oc_id );
  80         if ( oc == NULL ) {
  81                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  82                         "cannot determine objectclass of entry -- aborting\n",
  83                         0, 0, 0 );
  84                 /*
  85                  * FIXME: should never occur, since the entry was built!!!
  86                  */
  87
  88                 /*
  89                  * FIXME: we don't want to send back
  90                  * excessively detailed messages
  91                  */
  92                 rs->sr_err = LDAP_OTHER;
  93                 rs->sr_text = "SQL-backend error";
  94                 send_ldap_result( op, rs );
  95                 return 1;
  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         send_ldap_result( op, rs );
 117         Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 );
 118
 119         return op->o_noop;
 120 }
 121
 122 #endif /* SLAPD_SQL */
 123