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 = SQL_NULL_HDBC;
  35         backsql_oc_map_rec      *oc = NULL;
  36         backsql_srch_info       bsi = { 0 };
  37         Entry                   e = { 0 };
  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         /* FIXME: using all attributes because of access control later ... */
  62         rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
  63                         LDAP_SCOPE_BASE,
  64                         SLAP_NO_LIMIT, SLAP_NO_LIMIT,
  65                         (time_t)(-1), NULL, dbh, op, rs,
  66                         slap_anlist_all_attributes,
  67                         BACKSQL_ISF_GET_ID );
  68         if ( rs->sr_err != LDAP_SUCCESS ) {
  69                 Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
  70                         "could not retrieve modifyDN ID - no such entry\n",
  71                         0, 0, 0 );
  72                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
  73                 goto done;
  74         }
  75
  76         bsi.bsi_e = &e;
  77         rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id );
  78         if ( rs->sr_err != LDAP_SUCCESS ) {
  79                 Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
  80                         "error %d in backsql_id2entry()\n",
  81                         rs->sr_err, 0, 0 );
  82                 goto done;
  83         }
  84
  85 #ifdef BACKSQL_ARBITRARY_KEY
  86         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  87                 "modifying entry \"%s\" (id=%s)\n",
  88                 bsi.bsi_base_id.eid_dn.bv_val,
  89                 bsi.bsi_base_id.eid_id.bv_val, 0 );
  90 #else /* ! BACKSQL_ARBITRARY_KEY */
  91         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  92                 "modifying entry \"%s\" (id=%ld)\n",
  93                 bsi.bsi_base_id.eid_dn.bv_val, bsi.bsi_base_id.eid_id, 0 );
  94 #endif /* ! BACKSQL_ARBITRARY_KEY */
  95
  96         oc = backsql_id2oc( bi, bsi.bsi_base_id.eid_oc_id );
  97         if ( oc == NULL ) {
  98                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  99                         "cannot determine objectclass of entry -- aborting\n",
 100                         0, 0, 0 );
 101                 /*
 102                  * FIXME: should never occur, since the entry was built!!!
 103                  */
 104
 105                 /*
 106                  * FIXME: we don't want to send back
 107                  * excessively detailed messages
 108                  */
 109                 rs->sr_err = LDAP_OTHER;
 110                 rs->sr_text = "SQL-backend error";
 111                 goto done;
 112         }
 113
 114         e.e_attrs = NULL;
 115         e.e_name = op->o_req_dn;
 116         e.e_nname = op->o_req_ndn;
 117         if ( !acl_check_modlist( op, &e, op->oq_modify.rs_modlist ) ) {
 118                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 119
 120         } else {
 121                 rs->sr_err = backsql_modify_internal( op, rs, dbh, oc,
 122                                 &bsi.bsi_base_id,
 123                                 op->oq_modify.rs_modlist );
 124         }
 125
 126         if ( rs->sr_err == LDAP_SUCCESS ) {
 127                 /*
 128                  * Commit only if all operations succeed
 129                  */
 130                 SQLTransact( SQL_NULL_HENV, dbh,
 131                                 op->o_noop ? SQL_ROLLBACK : SQL_COMMIT );
 132         }
 133
 134 done:;
 135         send_ldap_result( op, rs );
 136
 137         if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
 138                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0 );
 139         }
 140
 141         if ( bsi.bsi_e != NULL ) {
 142                 entry_clean( bsi.bsi_e );
 143         }
 144
 145         Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 );
 146
 147         return rs->sr_err != LDAP_SUCCESS ? rs->sr_err : op->o_noop;
 148 }
 149