Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 196 insertions, 0 deletions

diff --git a/servers/slapd/back-sql/compare.c b/servers/slapd/back-sql/compare.c
new file mode 100644
index 0000000..696bcc4
--- /dev/null
+++ b/servers/slapd/back-sql/compare.c
@@ -0,0 +1,196 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 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"
+
+int
+backsql_compare( Operation *op, SlapReply *rs )
+{
+	SQLHDBC			dbh = SQL_NULL_HDBC;
+	Entry			e = { 0 };
+	Attribute		*a = NULL;
+	backsql_srch_info	bsi = { 0 };
+	int			rc;
+	int			manageDSAit = get_manageDSAit( op );
+	AttributeName		anlist[2];
+
+ 	Debug( LDAP_DEBUG_TRACE, "==>backsql_compare()\n", 0, 0, 0 );
+
+	rs->sr_err = backsql_get_db_conn( op, &dbh );
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+     		Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
+			"could not get connection handle - exiting\n",
+			0, 0, 0 );
+
+		rs->sr_text = ( rs->sr_err == LDAP_OTHER )
+			? "SQL-backend error" : NULL;
+		goto return_results;
+	}
+
+	anlist[ 0 ].an_name = op->oq_compare.rs_ava->aa_desc->ad_cname;
+	anlist[ 0 ].an_desc = op->oq_compare.rs_ava->aa_desc;
+	BER_BVZERO( &anlist[ 1 ].an_name );
+
+	/*
+	 * Get the entry
+	 */
+	bsi.bsi_e = &e;
+	rc = backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
+			(time_t)(-1), NULL, dbh, op, rs, anlist,
+			( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY ) );
+	switch ( rc ) {
+	case LDAP_SUCCESS:
+		break;
+
+	case LDAP_REFERRAL:
+		if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
+				dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
+		{
+			rs->sr_err = LDAP_SUCCESS;
+			rs->sr_text = NULL;
+			rs->sr_matched = NULL;
+			if ( rs->sr_ref ) {
+				ber_bvarray_free( rs->sr_ref );
+				rs->sr_ref = NULL;
+			}
+			break;
+		}
+		/* fallthru */
+
+	default:
+		Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
+			"could not retrieve compareDN ID - no such entry\n", 
+			0, 0, 0 );
+		goto return_results;
+	}
+
+	if ( get_assert( op ) &&
+			( test_filter( op, &e, get_assertion( op ) )
+			  != LDAP_COMPARE_TRUE ) )
+	{
+		rs->sr_err = LDAP_ASSERTION_FAILED;
+		goto return_results;
+	}
+
+	if ( is_at_operational( op->oq_compare.rs_ava->aa_desc->ad_type ) ) {
+		SlapReply	nrs = { REP_SEARCH };
+		Attribute	**ap;
+
+		for ( ap = &e.e_attrs; *ap; ap = &(*ap)->a_next )
+			;
+
+		nrs.sr_attrs = anlist;
+		nrs.sr_entry = &e;
+		nrs.sr_attr_flags = SLAP_OPATTRS_NO;
+		nrs.sr_operational_attrs = NULL;
+
+		rs->sr_err = backsql_operational( op, &nrs );
+		if ( rs->sr_err != LDAP_SUCCESS ) {
+			goto return_results;
+		}
+		
+		*ap = nrs.sr_operational_attrs;
+	}
+
+	if ( ! access_allowed( op, &e, op->oq_compare.rs_ava->aa_desc,
+				&op->oq_compare.rs_ava->aa_value,
+				ACL_COMPARE, NULL ) )
+	{
+		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+		goto return_results;
+	}
+
+	rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
+	for ( a = attrs_find( e.e_attrs, op->oq_compare.rs_ava->aa_desc );
+			a != NULL;
+			a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ) )
+	{
+		rs->sr_err = LDAP_COMPARE_FALSE;
+		if ( attr_valfind( a,
+					SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
+					SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
+					&op->oq_compare.rs_ava->aa_value, NULL,
+					op->o_tmpmemctx ) == 0 )
+		{
+			rs->sr_err = LDAP_COMPARE_TRUE;
+			break;
+		}
+	}
+
+return_results:;
+	switch ( rs->sr_err ) {
+	case LDAP_COMPARE_TRUE:
+	case LDAP_COMPARE_FALSE:
+		break;
+
+	default:
+		if ( !BER_BVISNULL( &e.e_nname ) &&
+				! access_allowed( op, &e,
+					slap_schema.si_ad_entry, NULL,
+					ACL_DISCLOSE, NULL ) )
+		{
+			rs->sr_err = LDAP_NO_SUCH_OBJECT;
+			rs->sr_text = NULL;
+		}
+		break;
+	}
+
+	send_ldap_result( op, rs );
+
+	if ( rs->sr_matched ) {
+		rs->sr_matched = NULL;
+	}
+
+	if ( rs->sr_ref ) {
+		ber_bvarray_free( rs->sr_ref );
+		rs->sr_ref = NULL;
+	}
+
+	if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
+		(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
+	}
+
+	if ( !BER_BVISNULL( &e.e_nname ) ) {
+		backsql_entry_clean( op, &e );
+	}
+
+	if ( bsi.bsi_attrs != NULL ) {
+		op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
+	}
+
+	Debug(LDAP_DEBUG_TRACE,"<==backsql_compare()\n",0,0,0);
+	switch ( rs->sr_err ) {
+	case LDAP_COMPARE_TRUE:
+	case LDAP_COMPARE_FALSE:
+		return LDAP_SUCCESS;
+
+	default:
+		return rs->sr_err;
+	}
+}
+