fs/smbsrv/smb2_setinfo_quota.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
 */

/*
 * Dispatch function for SMB2_SET_INFO
 */

#include <smbsrv/smb2_kproto.h>
#include <smbsrv/smb_fsops.h>
#include <smbsrv/ntifs.h>

/*
 * Similar to smb_nt_transact_set_quota()
 */
uint32_t
smb2_setinfo_quota(smb_request_t *sr, smb_setinfo_t *si)
{
    char        *root_path;
    uint32_t    status = NT_STATUS_SUCCESS;
    smb_ofile_t *ofile = sr->fid_ofile;
    smb_node_t  *tnode;
    smb_quota_set_t request;
    uint32_t    reply;
    list_t      *quota_list;

    bzero(&request, sizeof (smb_quota_set_t));

    if (!smb_tree_has_feature(sr->tid_tree, SMB_TREE_QUOTA))
        return (NT_STATUS_NOT_SUPPORTED);

    if (!smb_user_is_admin(sr->uid_user))
        return (NT_STATUS_ACCESS_DENIED);

    if ((ofile->f_node == NULL) ||
        (ofile->f_ftype != SMB_FTYPE_DISK))
        return (NT_STATUS_ACCESS_DENIED);

    tnode = sr->tid_tree->t_snode;
    root_path = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
    if (smb_node_getmntpath(tnode, root_path, MAXPATHLEN) != 0) {
        smbsr_release_file(sr);
        kmem_free(root_path, MAXPATHLEN);
        return (NT_STATUS_INVALID_PARAMETER);
    }

    quota_list = &request.qs_quota_list;
    list_create(quota_list, sizeof (smb_quota_t),
        offsetof(smb_quota_t, q_list_node));

    status = smb_quota_decode_quotas(&si->si_data, quota_list);
    if (status == NT_STATUS_SUCCESS) {
        request.qs_root_path = root_path;
        if (smb_quota_set(sr->sr_server, &request, &reply) != 0) {
            status = NT_STATUS_INTERNAL_ERROR;
        } else {
            status = reply;
            xdr_free(xdr_uint32_t, (char *)&reply);
        }
    }

    kmem_free(root_path, MAXPATHLEN);
    smb_quota_free_quotas(&request.qs_quota_list);
    smbsr_release_file(sr);

    return (status);
}