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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2024 The OpenLDAP Foundation.
* Portions Copyright 1999 Dmitry Kovalev.
* Portions Copyright 2002 Pierangelo Masarati.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Dmitry Kovalev for inclusion
* by OpenLDAP Software. Additional significant contributors include
* Pierangelo Masarati.
*/
#include "portable.h"
#include <stdio.h>
#include <sys/types.h>
#include "slap.h"
#include "proto-sql.h"
#include "lutil.h"
/*
* sets the supported operational attributes (if required)
*/
Attribute *
backsql_operational_entryUUID( backsql_info *bi, backsql_entryID *id )
{
int rc;
struct berval val, nval;
AttributeDescription *desc = slap_schema.si_ad_entryUUID;
Attribute *a;
backsql_entryUUID( bi, id, &val, NULL );
rc = (*desc->ad_type->sat_equality->smr_normalize)(
SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
desc->ad_type->sat_syntax,
desc->ad_type->sat_equality,
&val, &nval, NULL );
if ( rc != LDAP_SUCCESS ) {
ber_memfree( val.bv_val );
return NULL;
}
a = attr_alloc( desc );
a->a_numvals = 1;
a->a_vals = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
a->a_vals[ 0 ] = val;
BER_BVZERO( &a->a_vals[ 1 ] );
a->a_nvals = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
a->a_nvals[ 0 ] = nval;
BER_BVZERO( &a->a_nvals[ 1 ] );
return a;
}
Attribute *
backsql_operational_entryCSN( Operation *op )
{
char csnbuf[ LDAP_PVT_CSNSTR_BUFSIZE ];
struct berval entryCSN;
Attribute *a;
a = attr_alloc( slap_schema.si_ad_entryCSN );
a->a_numvals = 1;
a->a_vals = ch_malloc( 2 * sizeof( struct berval ) );
BER_BVZERO( &a->a_vals[ 1 ] );
#ifdef BACKSQL_SYNCPROV
if ( op->o_sync && op->o_tag == LDAP_REQ_SEARCH && op->o_private != NULL ) {
assert( op->o_private != NULL );
entryCSN = *((struct berval *)op->o_private);
} else
#endif /* BACKSQL_SYNCPROV */
{
entryCSN.bv_val = csnbuf;
entryCSN.bv_len = sizeof( csnbuf );
slap_get_csn( op, &entryCSN, 0 );
}
ber_dupbv( &a->a_vals[ 0 ], &entryCSN );
a->a_nvals = a->a_vals;
return a;
}
int
backsql_operational(
Operation *op,
SlapReply *rs )
{
backsql_info *bi = (backsql_info*)op->o_bd->be_private;
SQLHDBC dbh = SQL_NULL_HDBC;
int rc = 0;
Attribute **ap;
enum {
BACKSQL_OP_HASSUBORDINATES = 0,
BACKSQL_OP_ENTRYUUID,
BACKSQL_OP_ENTRYCSN,
BACKSQL_OP_LAST
};
int get_conn = BACKSQL_OP_LAST,
got[ BACKSQL_OP_LAST ] = { 0 };
Debug( LDAP_DEBUG_TRACE, "==>backsql_operational(): entry \"%s\"\n",
rs->sr_entry->e_nname.bv_val );
for ( ap = &rs->sr_entry->e_attrs; *ap; ap = &(*ap)->a_next ) {
if ( (*ap)->a_desc == slap_schema.si_ad_hasSubordinates ) {
get_conn--;
got[ BACKSQL_OP_HASSUBORDINATES ] = 1;
} else if ( (*ap)->a_desc == slap_schema.si_ad_entryUUID ) {
get_conn--;
got[ BACKSQL_OP_ENTRYUUID ] = 1;
} else if ( (*ap)->a_desc == slap_schema.si_ad_entryCSN ) {
get_conn--;
got[ BACKSQL_OP_ENTRYCSN ] = 1;
}
}
for ( ap = &rs->sr_operational_attrs; *ap; ap = &(*ap)->a_next ) {
if ( !got[ BACKSQL_OP_HASSUBORDINATES ] &&
(*ap)->a_desc == slap_schema.si_ad_hasSubordinates )
{
get_conn--;
got[ BACKSQL_OP_HASSUBORDINATES ] = 1;
} else if ( !got[ BACKSQL_OP_ENTRYUUID ] &&
(*ap)->a_desc == slap_schema.si_ad_entryUUID )
{
get_conn--;
got[ BACKSQL_OP_ENTRYUUID ] = 1;
} else if ( !got[ BACKSQL_OP_ENTRYCSN ] &&
(*ap)->a_desc == slap_schema.si_ad_entryCSN )
{
get_conn--;
got[ BACKSQL_OP_ENTRYCSN ] = 1;
}
}
if ( !get_conn ) {
return 0;
}
rc = backsql_get_db_conn( op, &dbh );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
"could not get connection handle - exiting\n" );
return 1;
}
if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) )
&& !got[ BACKSQL_OP_HASSUBORDINATES ]
&& attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_hasSubordinates ) == NULL )
{
rc = backsql_has_children( op, dbh, &rs->sr_entry->e_nname );
switch( rc ) {
case LDAP_COMPARE_TRUE:
case LDAP_COMPARE_FALSE:
*ap = slap_operational_hasSubordinate( rc == LDAP_COMPARE_TRUE );
assert( *ap != NULL );
ap = &(*ap)->a_next;
rc = 0;
break;
default:
Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
"has_children failed( %d)\n", rc );
return 1;
}
}
if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_entryUUID, rs->sr_attrs ) )
&& !got[ BACKSQL_OP_ENTRYUUID ]
&& attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryUUID ) == NULL )
{
backsql_srch_info bsi = { 0 };
rc = backsql_init_search( &bsi, &rs->sr_entry->e_nname,
LDAP_SCOPE_BASE,
(time_t)(-1), NULL, dbh, op, rs, NULL,
BACKSQL_ISF_GET_ID );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
"could not retrieve entry ID - no such entry\n" );
return 1;
}
*ap = backsql_operational_entryUUID( bi, &bsi.bsi_base_id );
(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
if ( bsi.bsi_attrs != NULL ) {
op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
}
if ( *ap == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
"could not retrieve entryUUID\n" );
return 1;
}
ap = &(*ap)->a_next;
}
if ( ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( slap_schema.si_ad_entryCSN, rs->sr_attrs ) )
&& !got[ BACKSQL_OP_ENTRYCSN ]
&& attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_entryCSN ) == NULL )
{
*ap = backsql_operational_entryCSN( op );
if ( *ap == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
"could not retrieve entryCSN\n" );
return 1;
}
ap = &(*ap)->a_next;
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_operational(%d)\n", rc );
return rc;
}
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