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/* $Id: VUSBSnifferVmx.cpp $ */
/** @file
* Virtual USB Sniffer facility - VMX USBIO format.
*/
/*
* Copyright (C) 2016-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_DRV_VUSB
#include <VBox/log.h>
#include <iprt/mem.h>
#include <iprt/buildconfig.h>
#include <iprt/string.h>
#include <iprt/system.h>
#include <iprt/time.h>
#include "VUSBSnifferInternal.h"
/*********************************************************************************************************************************
* Defined Constants And Macros *
*********************************************************************************************************************************/
/*********************************************************************************************************************************
* Structures and Typedefs *
*********************************************************************************************************************************/
/**
* The internal VUSB sniffer state.
*/
typedef struct VUSBSNIFFERFMTINT
{
/** Stream handle. */
PVUSBSNIFFERSTRM pStrm;
} VUSBSNIFFERFMTINT;
/*********************************************************************************************************************************
* Static Variables *
*********************************************************************************************************************************/
/**
* Supported file extensions.
*/
static const char *s_apszFileExts[] =
{
"vmx",
"vmware",
"usbio",
NULL
};
/**
* Month strings.
*/
static const char *s_apszMonths[] =
{
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec"
};
/*********************************************************************************************************************************
* Internal Functions *
*********************************************************************************************************************************/
static int vusbSnifferFmtVmxLogData(PVUSBSNIFFERFMTINT pThis, PRTTIME pTime, uint8_t *pbBuf, size_t cbBuf)
{
int rc;
char szLineBuf[256];
size_t off = 0;
do
{
size_t cch = RTStrPrintf(&szLineBuf[0], sizeof(szLineBuf),
"%s %02u %02u:%02u:%02u.%3.*u: vmx| USBIO: %03zx: %16.*Rhxs\n",
s_apszMonths[pTime->u8Month - 1], pTime->u8MonthDay,
pTime->u8Hour, pTime->u8Minute, pTime->u8Second, 3, pTime->u32Nanosecond,
off, RT_MIN(cbBuf - off, 16), pbBuf);
rc = pThis->pStrm->pfnWrite(pThis->pStrm, &szLineBuf[0], cch);
off += RT_MIN(cbBuf, 16);
pbBuf += RT_MIN(cbBuf, 16);
} while (RT_SUCCESS(rc) && off < cbBuf);
return rc;
}
/** @interface_method_impl{VUSBSNIFFERFMT,pfnInit} */
static DECLCALLBACK(int) vusbSnifferFmtVmxInit(PVUSBSNIFFERFMTINT pThis, PVUSBSNIFFERSTRM pStrm)
{
pThis->pStrm = pStrm;
return VINF_SUCCESS;
}
/** @interface_method_impl{VUSBSNIFFERFMT,pfnDestroy} */
static DECLCALLBACK(void) vusbSnifferFmtVmxDestroy(PVUSBSNIFFERFMTINT pThis)
{
NOREF(pThis);
}
/** @interface_method_impl{VUSBSNIFFERFMT,pfnRecordEvent} */
static DECLCALLBACK(int) vusbSnifferFmtVmxRecordEvent(PVUSBSNIFFERFMTINT pThis, PVUSBURB pUrb, VUSBSNIFFEREVENT enmEvent)
{
RTTIMESPEC TimeNow;
RTTIME Time;
char szLineBuf[256];
const char *pszEvt = enmEvent == VUSBSNIFFEREVENT_SUBMIT ? "Down" : "Up";
uint8_t cIsocPkts = pUrb->enmType == VUSBXFERTYPE_ISOC ? pUrb->cIsocPkts : 0;
if (pUrb->enmType == VUSBXFERTYPE_MSG)
return VINF_SUCCESS;
RT_ZERO(szLineBuf);
RTTimeNow(&TimeNow);
RTTimeExplode(&Time, &TimeNow);
size_t cch = RTStrPrintf(&szLineBuf[0], sizeof(szLineBuf),
"%s %02u %02u:%02u:%02u.%3.*u: vmx| USBIO: %s dev=%u endpt=%x datalen=%u numPackets=%u status=%u 0\n",
s_apszMonths[Time.u8Month - 1], Time.u8MonthDay, Time.u8Hour, Time.u8Minute, Time.u8Second, 3, Time.u32Nanosecond,
pszEvt, pUrb->DstAddress, pUrb->EndPt | (pUrb->enmDir == VUSBDIRECTION_IN ? 0x80 : 0x00),
pUrb->cbData, cIsocPkts, pUrb->enmStatus);
int rc = pThis->pStrm->pfnWrite(pThis->pStrm, &szLineBuf[0], cch);
if (RT_SUCCESS(rc))
{
/* Log the data in the appropriate stage. */
if ( pUrb->enmType == VUSBXFERTYPE_CTRL
|| pUrb->enmType == VUSBXFERTYPE_MSG)
{
if (enmEvent == VUSBSNIFFEREVENT_SUBMIT)
rc = vusbSnifferFmtVmxLogData(pThis, &Time, &pUrb->abData[0], sizeof(VUSBSETUP));
else if (enmEvent == VUSBSNIFFEREVENT_COMPLETE)
{
rc = vusbSnifferFmtVmxLogData(pThis, &Time, &pUrb->abData[0], sizeof(VUSBSETUP));
if ( RT_SUCCESS(rc)
&& pUrb->cbData > sizeof(VUSBSETUP))
rc = vusbSnifferFmtVmxLogData(pThis, &Time, &pUrb->abData[sizeof(VUSBSETUP)], pUrb->cbData - sizeof(VUSBSETUP));
}
}
else
{
if ( enmEvent == VUSBSNIFFEREVENT_SUBMIT
&& pUrb->enmDir == VUSBDIRECTION_OUT)
rc = vusbSnifferFmtVmxLogData(pThis, &Time, &pUrb->abData[0], pUrb->cbData);
else if ( enmEvent == VUSBSNIFFEREVENT_COMPLETE
&& pUrb->enmDir == VUSBDIRECTION_IN)
rc = vusbSnifferFmtVmxLogData(pThis, &Time, &pUrb->abData[0], pUrb->cbData);
}
}
return rc;
}
/**
* VUSB sniffer format writer.
*/
const VUSBSNIFFERFMT g_VUsbSnifferFmtVmx =
{
/** szName */
"VMX",
/** pszDesc */
"VMX log format writer supported by vusb-analyzer: http://vusb-analyzer.sourceforge.net",
/** papszFileExts */
&s_apszFileExts[0],
/** cbFmt */
sizeof(VUSBSNIFFERFMTINT),
/** pfnInit */
vusbSnifferFmtVmxInit,
/** pfnDestroy */
vusbSnifferFmtVmxDestroy,
/** pfnRecordEvent */
vusbSnifferFmtVmxRecordEvent
};
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