git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/operational.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
  26 #include "slap.h"
  27 #include "proto-sql.h"
  28 #include "lutil.h"
  29
  30 /*
  31  * sets the supported operational attributes (if required)
  32  */
  33
  34 Attribute *
  35 backsql_operational_entryUUID( backsql_info *bi, backsql_entryID *id )
  36 {
  37         int                     rc;
  38         struct berval           val, nval;
  39         AttributeDescription    *desc = slap_schema.si_ad_entryUUID;
  40         Attribute               *a;
  41
  42         backsql_entryUUID( bi, id, &val, NULL );
  43
  44         rc = (*desc->ad_type->sat_equality->smr_normalize)(
  45                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
  46                         desc->ad_type->sat_syntax,
  47                         desc->ad_type->sat_equality,
  48                         &val, &nval, NULL );
  49         if ( rc != LDAP_SUCCESS ) {
  50                 ber_memfree( val.bv_val );
  51                 return NULL;
  52         }
  53
  54         a = ch_malloc( sizeof( Attribute ) );
  55         a->a_desc = desc;
  56
  57         a->a_vals = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
  58         a->a_vals[ 0 ] = val;
  59         BER_BVZERO( &a->a_vals[ 1 ] );
  60
  61         a->a_nvals = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
  62         a->a_nvals[ 0 ] = nval;
  63         BER_BVZERO( &a->a_nvals[ 1 ] );
  64
  65         a->a_next = NULL;
  66         a->a_flags = 0;
  67
  68         return a;
  69 }
  70
  71 Attribute *
  72 backsql_operational_entryCSN( Operation *op )
  73 {
  74         char            csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
  75         struct berval   entryCSN;
  76         Attribute       *a;
  77
  78         a = ch_malloc( sizeof( Attribute ) );
  79         a->a_desc = slap_schema.si_ad_entryCSN;
  80         a->a_vals = ch_malloc( 2 * sizeof( struct berval ) );
  81         BER_BVZERO( &a->a_vals[ 1 ] );
  82
  83 #ifdef BACKSQL_SYNCPROV
  84         if ( op->o_sync && op->o_tag == LDAP_REQ_SEARCH ) {
  85                 assert( op->o_private );
  86
  87                 entryCSN = *((struct berval *)op->o_private);
  88
  89         } else
  90 #endif /* BACKSQL_SYNCPROV */
  91         {
  92                 slap_get_csn( op, csnbuf, sizeof(csnbuf), &entryCSN, 0 );
  93         }
  94
  95         ber_dupbv( &a->a_vals[ 0 ], &entryCSN );
  96
  97         a->a_nvals = a->a_vals;
  98
  99         a->a_next = NULL;
 100         a->a_flags = 0;
 101
 102         return a;
 103 }
 104
 105 int
 106 backsql_operational(
 107         Operation       *op,
 108         SlapReply       *rs )
 109 {
 110
 111         backsql_info    *bi = (backsql_info*)op->o_bd->be_private;
 112         SQLHDBC         dbh = SQL_NULL_HDBC;
 113         int             rc = 0;
 114         Attribute       **ap;
 115         enum {
 116                 BACKSQL_OP_HASSUBORDINATES = 0,
 117                 BACKSQL_OP_ENTRYUUID,
 118                 BACKSQL_OP_ENTRYCSN,
 119
 120                 BACKSQL_OP_LAST
 121         };
 122         int             get_conn = BACKSQL_OP_LAST,
 123                         got[ BACKSQL_OP_LAST ] = { 0 };
 124
 125         Debug( LDAP_DEBUG_TRACE, "==>backsql_operational(): entry \"%s\"\n",
 126                         rs->sr_entry->e_nname.bv_val, 0, 0 );
 127
 128         for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next ) {
 129                 if ( (*ap)->a_desc == slap_schema.si_ad_hasSubordinates ) {
 130                         get_conn--;
 131                         got[ BACKSQL_OP_HASSUBORDINATES ] = 1;
 132
 133                 } else if ( (*ap)->a_desc == slap_schema.si_ad_entryUUID ) {
 134                         get_conn--;
 135                         got[ BACKSQL_OP_ENTRYUUID ] = 1;
 136
 137                 } else if ( (*ap)->a_desc == slap_schema.si_ad_entryCSN ) {
 138                         get_conn--;
 139                         got[ BACKSQL_OP_ENTRYCSN ] = 1;
 140                 }
 141         }
 142
 143         if ( !get_conn ) {
 144                 return 0;
 145         }
 146
 147         rc = backsql_get_db_conn( op, &dbh );
 148         if ( rc != LDAP_SUCCESS ) {
 149                 Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 150                         "could not get connection handle - exiting\n",
 151                         0, 0, 0 );
 152                 return 1;
 153         }
 154
 155         if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) )
 156                         && !got[ BACKSQL_OP_HASSUBORDINATES ]
 157                         && attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_hasSubordinates ) == NULL )
 158         {
 159                 rc = backsql_has_children( bi, dbh, &rs->sr_entry->e_nname );
 160
 161                 switch( rc ) {
 162                 case LDAP_COMPARE_TRUE:
 163                 case LDAP_COMPARE_FALSE:
 164                         *ap = slap_operational_hasSubordinate( rc == LDAP_COMPARE_TRUE );
 165                         assert( *ap );
 166                         ap = &(*ap)->a_next;
 167                         rc = 0;
 168                         break;
 169
 170                 default:
 171                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 172                                 "has_children failed( %d)\n", rc, 0, 0 );
 173                         return 1;
 174                 }
 175         }
 176
 177         if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_entryUUID, rs->sr_attrs ) )
 178                         && !got[ BACKSQL_OP_ENTRYUUID ]
 179                         && attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID ) == NULL )
 180         {
 181                 backsql_srch_info       bsi;
 182
 183                 rc = backsql_init_search( &bsi, &rs->sr_entry->e_nname,
 184                                 LDAP_SCOPE_BASE, -1, -1, -1, NULL,
 185                                 dbh, op, rs, NULL,
 186                                 ( BACKSQL_ISF_GET_ID | BACKSQL_ISF_MUCK ) );
 187                 if ( rc != LDAP_SUCCESS ) {
 188                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 189                                 "could not retrieve entry ID - no such entry\n",
 190                                 0, 0, 0 );
 191                         return 1;
 192                 }
 193
 194                 *ap = backsql_operational_entryUUID( bi, &bsi.bsi_base_id );
 195
 196                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0 );
 197
 198                 if ( *ap == NULL ) {
 199                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 200                                 "could not retrieve entryUUID\n",
 201                                 0, 0, 0 );
 202                         return 1;
 203                 }
 204
 205                 ap = &(*ap)->a_next;
 206         }
 207
 208         if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_entryCSN, rs->sr_attrs ) )
 209                         && !got[ BACKSQL_OP_ENTRYCSN ]
 210                         && attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN ) == NULL )
 211         {
 212                 *ap = backsql_operational_entryCSN( op );
 213                 if ( *ap == NULL ) {
 214                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 215                                 "could not retrieve entryCSN\n",
 216                                 0, 0, 0 );
 217                         return 1;
 218                 }
 219
 220                 ap = &(*ap)->a_next;
 221         }
 222
 223         Debug( LDAP_DEBUG_TRACE, "<==backsql_operational(%d)\n", rc, 0, 0);
 224
 225         return rc;
 226 }
 227