a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * CDDL HEADER START
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross *
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * The contents of this file are subject to the terms of the
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Common Development and Distribution License (the "License").
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * You may not use this file except in compliance with the License.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross *
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * or http://www.opensolaris.org/os/licensing.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * See the License for the specific language governing permissions
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * and limitations under the License.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross *
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * When distributing Covered Code, include this CDDL HEADER in each
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * If applicable, add the following below this CDDL HEADER, with the
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * fields enclosed by brackets "[]" replaced with your own identifying
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * information: Portions Copyright [yyyy] [name of copyright owner]
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross *
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * CDDL HEADER END
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Copyright (c) 2007, 2010, Oracle and/or its affiliates.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Dispatch function for SMB2_CHANGE_NOTIFY
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross#include <smbsrv/smb2_kproto.h>
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rossstatic smb_sdrc_t smb2_change_notify_async(smb_request_t *);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rosssmb_sdrc_t
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rosssmb2_change_notify(smb_request_t *sr)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross{
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb_node_t *node = NULL;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t StructSize;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t iFlags;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t oBufLength;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2fid_t smb2fid;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t CompletionFilter;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t reserved;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t status;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross int rc = 0;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * SMB2 Change Notify request
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross rc = smb_mbc_decodef(
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &sr->smb_data, "wwlqqll",
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &StructSize, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &iFlags, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &oBufLength, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &smb2fid.persistent, /* q */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &smb2fid.temporal, /* q */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &CompletionFilter, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &reserved); /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (rc || StructSize != 32)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (SDRC_ERROR);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2sr_lookup_fid(sr, &smb2fid);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (status)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross goto puterror;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross node = sr->fid_ofile->f_node;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (node == NULL || !smb_node_is_dir(node)) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = NT_STATUS_INVALID_PARAMETER;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross goto puterror;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Let Change Notify "go async", because it
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * may block indefinitely.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2sr_go_async(sr, smb2_change_notify_async);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rossputerror:
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross ASSERT(status != 0);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2sr_put_error(sr, status);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (SDRC_SUCCESS);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross}
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rossstatic smb_sdrc_t
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rosssmb2_change_notify_async(smb_request_t *sr)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross{
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t StructSize;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t iFlags;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t oBufLength;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2fid_t smb2fid;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t CompletionFilter;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t reserved;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint32_t status;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross uint16_t DataOff;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross int rc = 0;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * SMB2 Change Notify request
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross rc = smb_mbc_decodef(
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &sr->smb_data, "wwlqqll",
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &StructSize, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &iFlags, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &oBufLength, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &smb2fid.persistent, /* q */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &smb2fid.temporal, /* q */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &CompletionFilter, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &reserved); /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (rc || StructSize != 32)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (SDRC_ERROR);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb2sr_lookup_fid(sr, &smb2fid);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (status != 0) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2sr_put_error(sr, status);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (SDRC_SUCCESS);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross CompletionFilter &= FILE_NOTIFY_VALID_MASK;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (iFlags & SMB2_WATCH_TREE)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross CompletionFilter |= NODE_FLAGS_WATCH_TREE;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (oBufLength > smb2_max_trans)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross oBufLength = smb2_max_trans;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross sr->raw_data.max_bytes = oBufLength;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross status = smb_notify_common(sr, &sr->raw_data, CompletionFilter);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (status != 0) {
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross smb2sr_put_error(sr, status);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (SDRC_SUCCESS);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross }
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * SMB2 Change Notify reply
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross DataOff = SMB2_HDR_SIZE + 8;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross oBufLength = MBC_LENGTH(&sr->raw_data);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross rc = smb_mbc_encodef(
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &sr->reply, "wwlC",
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross 9, /* StructSize */ /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross DataOff, /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross oBufLength, /* l */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross &sr->raw_data); /* C */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross if (rc)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (SDRC_ERROR);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross return (SDRC_SUCCESS);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross}