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, 214 insertions, 0 deletions

diff --git a/servers/slapd/back-sql/modify.c b/servers/slapd/back-sql/modify.c
new file mode 100644
index 0000000..c0445b1
--- /dev/null
+++ b/servers/slapd/back-sql/modify.c
@@ -0,0 +1,214 @@
+/* $OpenLDAP$ */
+/* 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 "ac/string.h"
+
+#include "slap.h"
+#include "proto-sql.h"
+
+int
+backsql_modify( Operation *op, SlapReply *rs )
+{
+	backsql_info		*bi = (backsql_info*)op->o_bd->be_private;
+	SQLHDBC 		dbh = SQL_NULL_HDBC;
+	backsql_oc_map_rec	*oc = NULL;
+	backsql_srch_info	bsi = { 0 };
+	Entry			m = { 0 }, *e = NULL;
+	int			manageDSAit = get_manageDSAit( op );
+	SQLUSMALLINT		CompletionType = SQL_ROLLBACK;
+
+	/*
+	 * FIXME: in case part of the operation cannot be performed
+	 * (missing mapping, SQL write fails or so) the entire operation
+	 * should be rolled-back
+	 */
+	Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
+		op->o_req_ndn.bv_val, 0, 0 );
+
+	rs->sr_err = backsql_get_db_conn( op, &dbh );
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
+			"could not get connection handle - exiting\n", 
+			0, 0, 0 );
+		/*
+		 * FIXME: we don't want to send back 
+		 * excessively detailed messages
+		 */
+		rs->sr_text = ( rs->sr_err == LDAP_OTHER )
+			? "SQL-backend error" : NULL;
+		goto done;
+	}
+
+	bsi.bsi_e = &m;
+	rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
+			LDAP_SCOPE_BASE, 
+			(time_t)(-1), NULL, dbh, op, rs,
+			slap_anlist_all_attributes,
+			( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
+	switch ( rs->sr_err ) {
+	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;
+		}
+		e = &m;
+		/* fallthru */
+
+	default:
+		Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
+			"could not retrieve modifyDN ID - no such entry\n", 
+			0, 0, 0 );
+		if ( !BER_BVISNULL( &m.e_nname ) ) {
+			/* FIXME: should always be true! */
+			e = &m;
+
+		} else {
+			e = NULL;
+		}
+		goto done;
+	}
+
+	Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
+		"modifying entry \"%s\" (id=" BACKSQL_IDFMT ")\n", 
+		bsi.bsi_base_id.eid_dn.bv_val,
+		BACKSQL_IDARG(bsi.bsi_base_id.eid_id), 0 );
+
+	if ( get_assert( op ) &&
+			( test_filter( op, &m, get_assertion( op ) )
+			  != LDAP_COMPARE_TRUE ))
+	{
+		rs->sr_err = LDAP_ASSERTION_FAILED;
+		e = &m;
+		goto done;
+	}
+
+	slap_mods_opattrs( op, &op->orm_modlist, 1 );
+
+	assert( bsi.bsi_base_id.eid_oc != NULL );
+	oc = bsi.bsi_base_id.eid_oc;
+
+	if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) {
+		rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
+		e = &m;
+		goto done;
+	}
+
+	rs->sr_err = backsql_modify_internal( op, rs, dbh, oc,
+			&bsi.bsi_base_id, op->orm_modlist );
+	if ( rs->sr_err != LDAP_SUCCESS ) {
+		e = &m;
+		goto do_transact;
+	}
+
+	if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
+		char		textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
+
+		backsql_entry_clean( op, &m );
+
+		bsi.bsi_e = &m;
+		rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id );
+		if ( rs->sr_err != LDAP_SUCCESS ) {
+			e = &m;
+			goto do_transact;
+		}
+
+		rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0, NULL,
+			&rs->sr_text, textbuf, sizeof( textbuf ) );
+		if ( rs->sr_err != LDAP_SUCCESS ) {
+			Debug( LDAP_DEBUG_TRACE, "   backsql_modify(\"%s\"): "
+				"entry failed schema check -- aborting\n",
+				m.e_name.bv_val, 0, 0 );
+			e = NULL;
+			goto do_transact;
+		}
+	}
+
+do_transact:;
+	/*
+	 * Commit only if all operations succeed
+	 */
+	if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
+		assert( e == NULL );
+		CompletionType = SQL_COMMIT;
+	}
+
+	SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
+
+done:;
+	if ( e != NULL ) {
+		if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
+					ACL_DISCLOSE, NULL ) )
+		{
+			rs->sr_err = LDAP_NO_SUCH_OBJECT;
+			rs->sr_text = NULL;
+			rs->sr_matched = NULL;
+			if ( rs->sr_ref ) {
+				ber_bvarray_free( rs->sr_ref );
+				rs->sr_ref = NULL;
+			}
+		}
+	}
+
+	if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
+		rs->sr_err = LDAP_X_NO_OPERATION;
+	}
+
+	send_ldap_result( op, rs );
+	slap_graduate_commit_csn( op );
+
+	if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
+		(void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
+	}
+
+	if ( !BER_BVISNULL( &m.e_nname ) ) {
+		backsql_entry_clean( op, &m );
+	}
+
+	if ( bsi.bsi_attrs != NULL ) {
+		op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
+	}
+
+	if ( rs->sr_ref ) {
+		ber_bvarray_free( rs->sr_ref );
+		rs->sr_ref = NULL;
+	}
+
+	Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 );
+
+	return rs->sr_err;
+}
+