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 1999-2008 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 #include "ac/string.h"
  28
  29 #include "slap.h"
  30 #include "proto-sql.h"
  31
  32 int
  33 backsql_modify( Operation *op, SlapReply *rs )
  34 {
  35         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  36         SQLHDBC                 dbh = SQL_NULL_HDBC;
  37         backsql_oc_map_rec      *oc = NULL;
  38         backsql_srch_info       bsi = { 0 };
  39         Entry                   m = { 0 }, *e = NULL;
  40         int                     manageDSAit = get_manageDSAit( op );
  41         SQLUSMALLINT            CompletionType = SQL_ROLLBACK;
  42
  43         /*
  44          * FIXME: in case part of the operation cannot be performed
  45          * (missing mapping, SQL write fails or so) the entire operation
  46          * should be rolled-back
  47          */
  48         Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
  49                 op->o_req_ndn.bv_val, 0, 0 );
  50
  51         rs->sr_err = backsql_get_db_conn( op, &dbh );
  52         if ( rs->sr_err != LDAP_SUCCESS ) {
  53                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  54                         "could not get connection handle - exiting\n",
  55                         0, 0, 0 );
  56                 /*
  57                  * FIXME: we don't want to send back
  58                  * excessively detailed messages
  59                  */
  60                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  61                         ? "SQL-backend error" : NULL;
  62                 goto done;
  63         }
  64
  65         bsi.bsi_e = &m;
  66         rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
  67                         LDAP_SCOPE_BASE,
  68                         (time_t)(-1), NULL, dbh, op, rs,
  69                         slap_anlist_all_attributes,
  70                         ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
  71         switch ( rs->sr_err ) {
  72         case LDAP_SUCCESS:
  73                 break;
  74
  75         case LDAP_REFERRAL:
  76                 if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
  77                                 dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
  78                 {
  79                         rs->sr_err = LDAP_SUCCESS;
  80                         rs->sr_text = NULL;
  81                         rs->sr_matched = NULL;
  82                         if ( rs->sr_ref ) {
  83                                 ber_bvarray_free( rs->sr_ref );
  84                                 rs->sr_ref = NULL;
  85                         }
  86                         break;
  87                 }
  88                 e = &m;
  89                 /* fallthru */
  90
  91         default:
  92                 Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
  93                         "could not retrieve modifyDN ID - no such entry\n",
  94                         0, 0, 0 );
  95                 if ( !BER_BVISNULL( &m.e_nname ) ) {
  96                         /* FIXME: should always be true! */
  97                         e = &m;
  98
  99                 } else {
 100                         e = NULL;
 101                 }
 102                 goto done;
 103         }
 104
 105 #ifdef BACKSQL_ARBITRARY_KEY
 106         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
 107                 "modifying entry \"%s\" (id=%s)\n",
 108                 bsi.bsi_base_id.eid_dn.bv_val,
 109                 bsi.bsi_base_id.eid_id.bv_val, 0 );
 110 #else /* ! BACKSQL_ARBITRARY_KEY */
 111         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
 112                 "modifying entry \"%s\" (id=%ld)\n",
 113                 bsi.bsi_base_id.eid_dn.bv_val, bsi.bsi_base_id.eid_id, 0 );
 114 #endif /* ! BACKSQL_ARBITRARY_KEY */
 115
 116         if ( get_assert( op ) &&
 117                         ( test_filter( op, &m, get_assertion( op ) )
 118                           != LDAP_COMPARE_TRUE ))
 119         {
 120                 rs->sr_err = LDAP_ASSERTION_FAILED;
 121                 e = &m;
 122                 goto done;
 123         }
 124
 125         slap_mods_opattrs( op, &op->orm_modlist, 1 );
 126
 127         assert( bsi.bsi_base_id.eid_oc != NULL );
 128         oc = bsi.bsi_base_id.eid_oc;
 129
 130         if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) {
 131                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 132                 e = &m;
 133                 goto done;
 134         }
 135
 136         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc,
 137                         &bsi.bsi_base_id, op->orm_modlist );
 138         if ( rs->sr_err != LDAP_SUCCESS ) {
 139                 e = &m;
 140                 goto do_transact;
 141         }
 142
 143         if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
 144                 char            textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
 145
 146                 backsql_entry_clean( op, &m );
 147
 148                 bsi.bsi_e = &m;
 149                 rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id );
 150                 if ( rs->sr_err != LDAP_SUCCESS ) {
 151                         e = &m;
 152                         goto do_transact;
 153                 }
 154
 155                 rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0,
 156                         &rs->sr_text, textbuf, sizeof( textbuf ) );
 157                 if ( rs->sr_err != LDAP_SUCCESS ) {
 158                         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(\"%s\"): "
 159                                 "entry failed schema check -- aborting\n",
 160                                 m.e_name.bv_val, 0, 0 );
 161                         e = NULL;
 162                         goto do_transact;
 163                 }
 164         }
 165
 166 do_transact:;
 167         /*
 168          * Commit only if all operations succeed
 169          */
 170         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 171                 assert( e == NULL );
 172                 CompletionType = SQL_COMMIT;
 173         }
 174
 175         SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
 176
 177 done:;
 178         if ( e != NULL ) {
 179                 if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
 180                                         ACL_DISCLOSE, NULL ) )
 181                 {
 182                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 183                         rs->sr_text = NULL;
 184                         rs->sr_matched = NULL;
 185                         if ( rs->sr_ref ) {
 186                                 ber_bvarray_free( rs->sr_ref );
 187                                 rs->sr_ref = NULL;
 188                         }
 189                 }
 190         }
 191
 192         if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
 193                 rs->sr_err = LDAP_X_NO_OPERATION;
 194         }
 195
 196         send_ldap_result( op, rs );
 197         slap_graduate_commit_csn( op );
 198
 199         if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
 200                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
 201         }
 202
 203         if ( !BER_BVISNULL( &m.e_nname ) ) {
 204                 backsql_entry_clean( op, &m );
 205         }
 206
 207         if ( bsi.bsi_attrs != NULL ) {
 208                 op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
 209         }
 210
 211         if ( rs->sr_ref ) {
 212                 ber_bvarray_free( rs->sr_ref );
 213                 rs->sr_ref = NULL;
 214         }
 215
 216         Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 );
 217
 218         return rs->sr_err;
 219 }
 220