/*
 * This file and its contents are supplied under the terms of the
 * Common Development and Distribution License ("CDDL"), version 1.0.
 * You may only use this file in accordance with the terms of version
 * 1.0 of the CDDL.
 *
 * A full copy of the text of the CDDL should have accompanied this
 * source.  A copy of the CDDL is also available via the Internet at
 * http://www.illumos.org/license/CDDL.
 */

/*
 * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
 */

/*
 * Dispatch function for SMB2_CLOSE
 */

#include <smbsrv/smb2_kproto.h>

smb_sdrc_t
smb2_close(smb_request_t *sr)
{
        smb_attr_t attr;
        smb_ofile_t *of;
        uint16_t StructSize;
        uint16_t Flags;
        uint32_t reserved;
        smb2fid_t smb2fid;
        uint32_t status;
        int rc = 0;

        /*
         * SMB2 Close request
         */
        rc = smb_mbc_decodef(
            &sr->smb_data, "wwlqq",
            &StructSize,                /* w */
            &Flags,                     /* w */
            &reserved,                  /* l */
            &smb2fid.persistent,        /* q */
            &smb2fid.temporal);         /* q */
        if (rc)
                return (SDRC_ERROR);
        if (StructSize != 24)
                return (SDRC_ERROR);

        /*
         * Want FID lookup before the start probe.
         */
        status = smb2sr_lookup_fid(sr, &smb2fid);
        of = sr->fid_ofile;

        DTRACE_SMB2_START(op__Close, smb_request_t *, sr);

        if (status)
                goto errout; /* Bad FID */

        bzero(&attr, sizeof (attr));
        if (Flags & SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB) {
                attr.sa_mask = SMB_AT_ALL;
                status = smb2_ofile_getattr(sr, of, &attr);
                if (status) {
                        /*
                         * We could not stat the open file.
                         * Let's not fail the close call,
                         * but just turn off the flag.
                         */
                        Flags = 0;
                }
        }

        if (of->dh_persist)
                smb2_dh_setdoc_persistent(of);
        smb_ofile_close(of, 0);

errout:
        sr->smb2_status = status;
        DTRACE_SMB2_DONE(op__Close, smb_request_t *, sr);

        if (status) {
                smb2sr_put_error(sr, status);
                return (SDRC_SUCCESS);
        }

        /*
         * SMB2 Close reply
         */
        (void) smb_mbc_encodef(
            &sr->reply,
            "wwlTTTTqql",
            60, /* StructSize */        /* w */
            Flags,                      /* w */
            0, /* reserved */           /* l */
            &attr.sa_crtime,            /* T */
            &attr.sa_vattr.va_atime,    /* T */
            &attr.sa_vattr.va_mtime,    /* T */
            &attr.sa_vattr.va_ctime,    /* T */
            attr.sa_allocsz,            /* q */
            attr.sa_vattr.va_size,      /* q */
            attr.sa_dosattr);           /* l */

        return (SDRC_SUCCESS);
}