Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream

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

1 files changed, 177 insertions, 0 deletions

diff --git a/servers/slapd/back-meta/modrdn.c b/servers/slapd/back-meta/modrdn.c
new file mode 100644
index 0000000..cf6e1be
--- /dev/null
+++ b/servers/slapd/back-meta/modrdn.c
@@ -0,0 +1,177 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2022 The OpenLDAP Foundation.
+ * Portions Copyright 2001-2003 Pierangelo Masarati.
+ * Portions Copyright 1999-2003 Howard Chu.
+ * 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 the Howard Chu for inclusion
+ * in OpenLDAP Software and subsequently enhanced by Pierangelo
+ * Masarati.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/socket.h>
+#include <ac/string.h>
+
+#include "slap.h"
+#include "../back-ldap/back-ldap.h"
+#include "back-meta.h"
+
+int
+meta_back_modrdn( Operation *op, SlapReply *rs )
+{
+	metainfo_t	*mi = ( metainfo_t * )op->o_bd->be_private;
+	metatarget_t	*mt;
+	metaconn_t	*mc;
+	int		candidate = -1;
+	struct berval	mdn = BER_BVNULL,
+			mnewSuperior = BER_BVNULL;
+	dncookie	dc;
+	int		msgid;
+	ldap_back_send_t	retrying = LDAP_BACK_RETRYING;
+	LDAPControl	**ctrls = NULL;
+	struct berval	newrdn = BER_BVNULL;
+
+	mc = meta_back_getconn( op, rs, &candidate, LDAP_BACK_SENDERR );
+	if ( !mc || !meta_back_dobind( op, rs, mc, LDAP_BACK_SENDERR ) ) {
+		return rs->sr_err;
+	}
+
+	assert( mc->mc_conns[ candidate ].msc_ld != NULL );
+
+	mt = mi->mi_targets[ candidate ];
+	dc.target = mt;
+	dc.conn = op->o_conn;
+	dc.rs = rs;
+
+	if ( op->orr_newSup ) {
+
+		/*
+		 * NOTE: the newParent, if defined, must be on the 
+		 * same target as the entry to be renamed.  This check
+		 * has been anticipated in meta_back_getconn()
+		 */
+		/*
+		 * FIXME: one possibility is to delete the entry
+		 * from one target and add it to the other;
+		 * unfortunately we'd need write access to both,
+		 * which is nearly impossible; for administration
+		 * needs, the rootdn of the metadirectory could
+		 * be mapped to an administrative account on each
+		 * target (the binddn?); we'll see.
+		 */
+		/*
+		 * NOTE: we need to port the identity assertion
+		 * feature from back-ldap
+		 */
+
+		/* needs LDAPv3 */
+		switch ( mt->mt_version ) {
+		case LDAP_VERSION3:
+			break;
+
+		case 0:
+			if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
+				break;
+			}
+			/* fall thru */
+
+		default:
+			/* op->o_protocol cannot be anything but LDAPv3,
+			 * otherwise wouldn't be here */
+			rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
+			send_ldap_result( op, rs );
+			goto cleanup;
+		}
+		
+		/*
+		 * Rewrite the new superior, if defined and required
+	 	 */
+		dc.ctx = "newSuperiorDN";
+		if ( ldap_back_dn_massage( &dc, op->orr_newSup, &mnewSuperior ) ) {
+			rs->sr_err = LDAP_OTHER;
+			send_ldap_result( op, rs );
+			goto cleanup;
+		}
+	}
+
+	/*
+	 * Rewrite the modrdn dn, if required
+	 */
+	dc.ctx = "modrDN";
+	if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
+		rs->sr_err = LDAP_OTHER;
+		send_ldap_result( op, rs );
+		goto cleanup;
+	}
+
+	/* NOTE: we need to copy the newRDN in case it was formed
+	 * from a DN by simply changing the length (ITS#5397) */
+	newrdn = op->orr_newrdn;
+	if ( newrdn.bv_val[ newrdn.bv_len ] != '\0' ) {
+		ber_dupbv_x( &newrdn, &op->orr_newrdn, op->o_tmpmemctx );
+	}
+
+retry:;
+	ctrls = op->o_ctrls;
+	if ( meta_back_controls_add( op, rs, mc, candidate, &ctrls ) != LDAP_SUCCESS )
+	{
+		send_ldap_result( op, rs );
+		goto cleanup;
+	}
+
+	rs->sr_err = ldap_rename( mc->mc_conns[ candidate ].msc_ld,
+			mdn.bv_val, newrdn.bv_val,
+			mnewSuperior.bv_val, op->orr_deleteoldrdn,
+			ctrls, NULL, &msgid );
+	rs->sr_err = meta_back_op_result( mc, op, rs, candidate, msgid,
+		mt->mt_timeout[ SLAP_OP_MODRDN ], ( LDAP_BACK_SENDRESULT | retrying ) );
+	if ( rs->sr_err == LDAP_UNAVAILABLE && retrying ) {
+		retrying &= ~LDAP_BACK_RETRYING;
+		if ( meta_back_retry( op, rs, &mc, candidate, LDAP_BACK_SENDERR ) ) {
+			/* if the identity changed, there might be need to re-authz */
+			(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
+			goto retry;
+		}
+	}
+
+cleanup:;
+	(void)mi->mi_ldap_extra->controls_free( op, rs, &ctrls );
+
+	if ( mdn.bv_val != op->o_req_dn.bv_val ) {
+		free( mdn.bv_val );
+		BER_BVZERO( &mdn );
+	}
+	
+	if ( !BER_BVISNULL( &mnewSuperior )
+			&& mnewSuperior.bv_val != op->orr_newSup->bv_val )
+	{
+		free( mnewSuperior.bv_val );
+		BER_BVZERO( &mnewSuperior );
+	}
+
+	if ( newrdn.bv_val != op->orr_newrdn.bv_val ) {
+		op->o_tmpfree( newrdn.bv_val, op->o_tmpmemctx );
+	}
+
+	if ( mc ) {
+		meta_back_release_conn( mi, mc );
+	}
+
+	return rs->sr_err;
+}
+