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 1999-2005 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
  28 #include "slap.h"
  29 #include "proto-sql.h"
  30 #include "lutil.h"
  31
  32 /*
  33  * sets the supported operational attributes (if required)
  34  */
  35
  36 Attribute *
  37 backsql_operational_entryUUID( backsql_info *bi, backsql_entryID *id )
  38 {
  39         int                     rc;
  40         struct berval           val, nval;
  41         AttributeDescription    *desc = slap_schema.si_ad_entryUUID;
  42         Attribute               *a;
  43
  44         backsql_entryUUID( bi, id, &val, NULL );
  45
  46         rc = (*desc->ad_type->sat_equality->smr_normalize)(
  47                         SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
  48                         desc->ad_type->sat_syntax,
  49                         desc->ad_type->sat_equality,
  50                         &val, &nval, NULL );
  51         if ( rc != LDAP_SUCCESS ) {
  52                 ber_memfree( val.bv_val );
  53                 return NULL;
  54         }
  55
  56         a = ch_malloc( sizeof( Attribute ) );
  57         a->a_desc = desc;
  58
  59         a->a_vals = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
  60         a->a_vals[ 0 ] = val;
  61         BER_BVZERO( &a->a_vals[ 1 ] );
  62
  63         a->a_nvals = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
  64         a->a_nvals[ 0 ] = nval;
  65         BER_BVZERO( &a->a_nvals[ 1 ] );
  66
  67         a->a_next = NULL;
  68         a->a_flags = 0;
  69
  70         return a;
  71 }
  72
  73 Attribute *
  74 backsql_operational_entryCSN( Operation *op )
  75 {
  76         char            csnbuf[ LDAP_LUTIL_CSNSTR_BUFSIZE ];
  77         struct berval   entryCSN;
  78         Attribute       *a;
  79
  80         a = ch_malloc( sizeof( Attribute ) );
  81         a->a_desc = slap_schema.si_ad_entryCSN;
  82         a->a_vals = ch_malloc( 2 * sizeof( struct berval ) );
  83         BER_BVZERO( &a->a_vals[ 1 ] );
  84
  85 #ifdef BACKSQL_SYNCPROV
  86         if ( op->o_sync && op->o_tag == LDAP_REQ_SEARCH ) {
  87                 assert( op->o_private != NULL );
  88
  89                 entryCSN = *((struct berval *)op->o_private);
  90
  91         } else
  92 #endif /* BACKSQL_SYNCPROV */
  93         {
  94                 slap_get_csn( op, csnbuf, sizeof(csnbuf), &entryCSN, 0 );
  95         }
  96
  97         ber_dupbv( &a->a_vals[ 0 ], &entryCSN );
  98
  99         a->a_nvals = a->a_vals;
 100
 101         a->a_next = NULL;
 102         a->a_flags = 0;
 103
 104         return a;
 105 }
 106
 107 int
 108 backsql_operational(
 109         Operation       *op,
 110         SlapReply       *rs )
 111 {
 112
 113         backsql_info    *bi = (backsql_info*)op->o_bd->be_private;
 114         SQLHDBC         dbh = SQL_NULL_HDBC;
 115         int             rc = 0;
 116         Attribute       **ap;
 117         enum {
 118                 BACKSQL_OP_HASSUBORDINATES = 0,
 119                 BACKSQL_OP_ENTRYUUID,
 120                 BACKSQL_OP_ENTRYCSN,
 121
 122                 BACKSQL_OP_LAST
 123         };
 124         int             get_conn = BACKSQL_OP_LAST,
 125                         got[ BACKSQL_OP_LAST ] = { 0 };
 126
 127         Debug( LDAP_DEBUG_TRACE, "==>backsql_operational(): entry \"%s\"\n",
 128                         rs->sr_entry->e_nname.bv_val, 0, 0 );
 129
 130         for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next ) {
 131                 if ( (*ap)->a_desc == slap_schema.si_ad_hasSubordinates ) {
 132                         get_conn--;
 133                         got[ BACKSQL_OP_HASSUBORDINATES ] = 1;
 134
 135                 } else if ( (*ap)->a_desc == slap_schema.si_ad_entryUUID ) {
 136                         get_conn--;
 137                         got[ BACKSQL_OP_ENTRYUUID ] = 1;
 138
 139                 } else if ( (*ap)->a_desc == slap_schema.si_ad_entryCSN ) {
 140                         get_conn--;
 141                         got[ BACKSQL_OP_ENTRYCSN ] = 1;
 142                 }
 143         }
 144
 145         if ( !get_conn ) {
 146                 return 0;
 147         }
 148
 149         rc = backsql_get_db_conn( op, &dbh );
 150         if ( rc != LDAP_SUCCESS ) {
 151                 Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 152                         "could not get connection handle - exiting\n",
 153                         0, 0, 0 );
 154                 return 1;
 155         }
 156
 157         if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) )
 158                         && !got[ BACKSQL_OP_HASSUBORDINATES ]
 159                         && attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_hasSubordinates ) == NULL )
 160         {
 161                 rc = backsql_has_children( op, dbh, &rs->sr_entry->e_nname );
 162
 163                 switch( rc ) {
 164                 case LDAP_COMPARE_TRUE:
 165                 case LDAP_COMPARE_FALSE:
 166                         *ap = slap_operational_hasSubordinate( rc == LDAP_COMPARE_TRUE );
 167                         assert( *ap != NULL );
 168                         ap = &(*ap)->a_next;
 169                         rc = 0;
 170                         break;
 171
 172                 default:
 173                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 174                                 "has_children failed( %d)\n", rc, 0, 0 );
 175                         return 1;
 176                 }
 177         }
 178
 179         if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_entryUUID, rs->sr_attrs ) )
 180                         && !got[ BACKSQL_OP_ENTRYUUID ]
 181                         && attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID ) == NULL )
 182         {
 183                 backsql_srch_info       bsi = { 0 };
 184
 185                 rc = backsql_init_search( &bsi, &rs->sr_entry->e_nname,
 186                                 LDAP_SCOPE_BASE,
 187                                 (time_t)(-1), NULL, dbh, op, rs, NULL,
 188                                 BACKSQL_ISF_GET_ID );
 189                 if ( rc != LDAP_SUCCESS ) {
 190                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 191                                 "could not retrieve entry ID - no such entry\n",
 192                                 0, 0, 0 );
 193                         return 1;
 194                 }
 195
 196                 *ap = backsql_operational_entryUUID( bi, &bsi.bsi_base_id );
 197
 198                 (void)backsql_free_entryID( op, &bsi.bsi_base_id, 0 );
 199
 200                 if ( bsi.bsi_attrs != NULL ) {
 201                         op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
 202                 }
 203
 204                 if ( *ap == NULL ) {
 205                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 206                                 "could not retrieve entryUUID\n",
 207                                 0, 0, 0 );
 208                         return 1;
 209                 }
 210
 211                 ap = &(*ap)->a_next;
 212         }
 213
 214         if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_entryCSN, rs->sr_attrs ) )
 215                         && !got[ BACKSQL_OP_ENTRYCSN ]
 216                         && attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN ) == NULL )
 217         {
 218                 *ap = backsql_operational_entryCSN( op );
 219                 if ( *ap == NULL ) {
 220                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 221                                 "could not retrieve entryCSN\n",
 222                                 0, 0, 0 );
 223                         return 1;
 224                 }
 225
 226                 ap = &(*ap)->a_next;
 227         }
 228
 229         Debug( LDAP_DEBUG_TRACE, "<==backsql_operational(%d)\n", rc, 0, 0);
 230
 231         return rc;
 232 }
 233