/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * linux/mdt/mdt_xattr.c
- * Lustre Metadata Target (mdt) extended attributes management.
+ * GPL HEADER START
*
- * Copyright (C) 2002-2006 Cluster File Systems, Inc.
- * Author: Peter Braam <braam@clusterfs.com>
- * Author: Andreas Dilger <adilger@clusterfs.com>
- * Author: Phil Schwan <phil@clusterfs.com>
- * Author: Huang Hua <huanghua@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of Cluster File Systems, Inc.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * In either case, Lustre is distributed in the hope that it will be
- * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * license text for more details.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/mdt/mdt_xattr.c
+ *
+ * Lustre Metadata Target (mdt) extended attributes management.
+ *
+ * Author: Peter Braam <braam@clusterfs.com>
+ * Author: Andreas Dilger <adilger@clusterfs.com>
+ * Author: Phil Schwan <phil@clusterfs.com>
+ * Author: Huang Hua <huanghua@clusterfs.com>
*/
#ifndef EXPORT_SYMTAB
struct mdt_body *repbody = NULL;
struct md_object *next;
struct lu_buf *buf;
+ __u32 remote = exp_connect_rmtclient(info->mti_exp);
+ __u32 perm;
int easize, rc;
ENTRY;
next = mdt_object_child(info->mti_object);
if (info->mti_body->valid & OBD_MD_FLRMTRGETFACL) {
- __u32 perm = mdt_identity_get_perm(uc->mu_identity,
- med->med_rmtclient,
- req->rq_peer.nid);
+ if (unlikely(!remote))
+ GOTO(out, rc = err_serious(-EINVAL));
- LASSERT(med->med_rmtclient);
+ perm = mdt_identity_get_perm(uc->mu_identity, remote,
+ req->rq_peer.nid);
if (!(perm & CFS_RMTACL_PERM))
GOTO(out, rc = err_serious(-EPERM));
if (rc > 0 && flags != CFS_IC_NOTHING) {
int rc1;
- LASSERT(med->med_rmtclient);
+ if (unlikely(!remote))
+ GOTO(out, rc = -EINVAL);
+
rc1 = lustre_posix_acl_xattr_id2client(uc,
med->med_idmap,
(posix_acl_xattr_header *)(buf->lb_buf),
struct mdt_lock_handle *unused)
{
struct ptlrpc_request *req = mdt_info_req(info);
- struct mdt_export_data *med = mdt_req2med(req);
struct md_ucred *uc = mdt_ucred(info);
- const char user_string[] = "user.";
- const char trust_string[] = "trusted.";
struct mdt_lock_handle *lh;
struct req_capsule *pill = info->mti_pill;
const struct lu_env *env = info->mti_env;
__u64 lockpart;
int rc;
posix_acl_xattr_header *new_xattr = NULL;
+ __u32 remote = exp_connect_rmtclient(info->mti_exp);
+ __u32 perm;
ENTRY;
CDEBUG(D_INODE, "setxattr for "DFID"\n", PFID(rr->rr_fid1));
RETURN(rc);
if (valid & OBD_MD_FLRMTRSETFACL) {
- __u32 perm = mdt_identity_get_perm(uc->mu_identity,
- med->med_rmtclient,
- req->rq_peer.nid);
+ if (unlikely(!remote))
+ GOTO(out, rc = err_serious(-EINVAL));
- LASSERT(med->med_rmtclient);
+ perm = mdt_identity_get_perm(uc->mu_identity, remote,
+ req->rq_peer.nid);
if (!(perm & CFS_RMTACL_PERM))
GOTO(out, rc = err_serious(-EPERM));
}
if (!xattr_name)
GOTO(out, rc = err_serious(-EFAULT));
- if (strncmp(xattr_name, trust_string, sizeof(trust_string) - 1) == 0) {
- if (strcmp(xattr_name + 8, XATTR_NAME_LOV) == 0)
+ if (strncmp(xattr_name, XATTR_USER_PREFIX,
+ sizeof(XATTR_USER_PREFIX) - 1) == 0) {
+ if (strcmp(xattr_name, XATTR_NAME_LOV) == 0)
GOTO(out, rc = -EACCES);
+ if (strcmp(xattr_name, XATTR_NAME_LMA) == 0)
+ GOTO(out, rc = 0);
+ if (strcmp(xattr_name, XATTR_NAME_LINK) == 0)
+ GOTO(out, rc = 0);
}
if (!(req->rq_export->exp_connect_flags & OBD_CONNECT_XATTR) &&
- (strncmp(xattr_name, user_string, sizeof(user_string) - 1) == 0)) {
+ (strncmp(xattr_name, XATTR_USER_PREFIX,
+ sizeof(XATTR_USER_PREFIX) - 1) == 0)) {
GOTO(out, rc = -EOPNOTSUPP);
}
xattr = req_capsule_client_get(pill, &RMF_EADATA);
if (valid & OBD_MD_FLRMTLSETFACL) {
- LASSERT(med->med_rmtclient);
+ if (unlikely(!remote))
+ GOTO(out_unlock, rc = -EINVAL);
+
xattr_len = mdt_rmtlsetfacl(info, child,
xattr_name,
(ext_acl_xattr_header *)xattr,