fs/smbsrv/smb2_echo.c

a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * This file and its contents are supplied under the terms of the
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Common Development and Distribution License ("CDDL"), version 1.0.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * You may only use this file in accordance with the terms of version
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * 1.0 of the CDDL.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross *
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * A full copy of the text of the CDDL should have accompanied this
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * source.  A copy of the CDDL is also available via the Internet at
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * http://www.illumos.org/license/CDDL.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross/*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross * Dispatch function for SMB2_ECHO
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross#include <smbsrv/smb2_kproto.h>
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rosssmb_sdrc_t
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Rosssmb2_echo(smb_request_t *sr)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross{
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    uint16_t StructSize;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    uint16_t reserved;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    int rc;
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross     * SMB2 Echo request
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross     */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    rc = smb_mbc_decodef(
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        &sr->smb_data, "ww",
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        &StructSize,        /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        &reserved);         /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    if (rc)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        return (SDRC_ERROR);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    if (StructSize != 4)
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        return (SDRC_ERROR);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    /*
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross     * SMB2 Echo reply
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross     */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    (void) smb_mbc_encodef(
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        &sr->reply, "wwl",
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        4,  /* StructSize */    /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross        0); /* reserved */      /* w */
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross    return (SDRC_SUCCESS);
a90cf9f29973990687fa61de9f1f6ea22e924e40Gordon Ross}