/*
 * 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 2013 Nexenta Systems, Inc.  All rights reserved.
 */

/*
 * Helper functions for SMB2 open handles
 */

#include <smbsrv/smb2_kproto.h>

uint32_t
smb2_ofile_getattr(smb_request_t *sr, smb_ofile_t *of, smb_attr_t *ap)
{
        uint_t mask;
        int rc;

        mask = ap->sa_mask;
        bzero(ap, sizeof (*ap));
        ap->sa_mask = mask;

        switch (of->f_ftype) {
        case SMB_FTYPE_DISK:
        case SMB_FTYPE_PRINTER:
                rc = smb_node_getattr(sr, of->f_node, of->f_cr, of, ap);
                break;
        case SMB_FTYPE_BYTE_PIPE:
        case SMB_FTYPE_MESG_PIPE:
                rc = smb_opipe_getattr(of, ap);
                break;
        default:
                rc = ENOTTY;
                break;
        }
        if (rc)
                return (smb_errno2status(rc));

        return (0);
}

/*
 * Get the stuff needed by FileStandardInformation that was
 * not already obtained by smb2_ofile_getattr().
 * (qi_delete_on_close, qi_isdir)
 */
uint32_t
smb2_ofile_getstd(smb_ofile_t *of, smb_queryinfo_t *qi)
{
        smb_node_t *node;

        switch (of->f_ftype) {
        case SMB_FTYPE_DISK:
        case SMB_FTYPE_PRINTER:
                node = of->f_node;
                qi->qi_delete_on_close =
                    (node->flags & NODE_FLAGS_DELETE_ON_CLOSE) != 0;
                qi->qi_isdir = smb_node_is_dir(node);
                break;
        case SMB_FTYPE_BYTE_PIPE:
        case SMB_FTYPE_MESG_PIPE:
                qi->qi_delete_on_close = 1;
                qi->qi_isdir = 0;
                break;
        default:
                return (NT_STATUS_INVALID_DEVICE_REQUEST);
        }

        return (0);
}

/*
 * Get info for FileNameInformation, FileAlternateNameInformation.
 * (qi_name, qi_shortname)
 */
uint32_t
smb2_ofile_getname(smb_ofile_t *of, smb_queryinfo_t *qi)
{
        int rc;

        switch (of->f_ftype) {
        case SMB_FTYPE_DISK:
        case SMB_FTYPE_PRINTER:
                rc = smb_node_getshrpath(of->f_node, of->f_tree,
                    qi->qi_name, MAXPATHLEN);
                break;
        case SMB_FTYPE_BYTE_PIPE:
        case SMB_FTYPE_MESG_PIPE:
                rc = smb_opipe_getname(of, qi->qi_name, MAXPATHLEN);
                break;
        default:
                rc = ENOTTY;
                break;
        }
        if (rc)
                return (smb_errno2status(rc));
        qi->qi_namelen = smb_wcequiv_strlen(qi->qi_name);

        return (0);

}