コード例 #1
0
/**
 *  Interprets a string and assigns it to a USBFilter field.
 *
 *  (This function is also used by HostUSBDeviceFilter.)
 *
 *  @param  aFilter     The filter.
 *  @param  aIdx        The field index.
 *  @param  aStr        The input string.
 *  @param  aName       The field name for use in the error string.
 *  @param  aErrStr     Where to return the error string on failure.
 *
 *  @return COM status code.
 *  @remark The idea was to have this as a static function, but tr() doesn't wanna work without a class :-/
 */
/*static*/ HRESULT USBDeviceFilter::i_usbFilterFieldFromString(PUSBFILTER aFilter,
                                                               USBFILTERIDX aIdx,
                                                               const Utf8Str &aValue,
                                                               Utf8Str &aErrStr)
{
    int vrc;
    if (aValue.isEmpty())
        vrc = USBFilterSetIgnore(aFilter, aIdx);
    else
    {
        const char *pcszValue = aValue.c_str();
        if (USBFilterIsNumericField(aIdx))
        {
            /* Is it a lonely number? */
            char *pszNext;
            uint64_t u64;
            vrc = RTStrToUInt64Ex(pcszValue, &pszNext, 16, &u64);
            if (RT_SUCCESS(vrc))
                pszNext = RTStrStripL (pszNext);
            if (    vrc == VINF_SUCCESS
                &&  !*pszNext)
            {
                if (u64 > 0xffff)
                {
                    // there was a bug writing out "-1" values in earlier versions, which got
                    // written as "FFFFFFFF"; make sure we don't fail on those
                    if (u64 == 0xffffffff)
                        u64 = 0xffff;
                    else
                    {
                        aErrStr = Utf8StrFmt(tr("The %s value '%s' is too big (max 0xFFFF)"),
                                             i_describeUSBFilterIdx(aIdx), pcszValue);
                        return E_INVALIDARG;
                    }
                }

                vrc = USBFilterSetNumExact(aFilter, aIdx, (uint16_t)u64, true /* fMustBePresent */);
            }
            else
                vrc = USBFilterSetNumExpression(aFilter, aIdx, pcszValue, true /* fMustBePresent */);
        }
        else
        {
            /* Any wildcard in the string? */
            Assert(USBFilterIsStringField(aIdx));
            if (    strchr(pcszValue, '*')
                ||  strchr(pcszValue, '?')
                /* || strchr (psz, '[') - later */
                )
                vrc = USBFilterSetStringPattern(aFilter, aIdx, pcszValue, true /* fMustBePresent */);
            else
                vrc = USBFilterSetStringExact(aFilter, aIdx, pcszValue, true /* fMustBePresent */);
        }
    }

    if (RT_FAILURE(vrc))
    {
        if (vrc == VERR_INVALID_PARAMETER)
        {
            aErrStr = Utf8StrFmt(tr("The %s filter expression '%s' is not valid"), i_describeUSBFilterIdx(aIdx), aValue.c_str());
            return E_INVALIDARG;
        }
        if (vrc == VERR_BUFFER_OVERFLOW)
        {
            aErrStr = Utf8StrFmt(tr("Insufficient expression space for the '%s' filter expression '%s'"),
                                 i_describeUSBFilterIdx(aIdx), aValue.c_str());
            return E_FAIL;
        }
        AssertRC(vrc);
        aErrStr = Utf8StrFmt(tr("Encountered unexpected status %Rrc when setting '%s' to '%s'"),
                             vrc, i_describeUSBFilterIdx(aIdx), aValue.c_str());
        return E_FAIL;
    }

    return S_OK;
}
コード例 #2
0
int main()
{
    unsigned cErrors = 0;
    RTR3InitExeNoArguments(0);

    /*
     * Basic property setting and simple matching.
     */
    USBFILTER Flt1;
    USBFilterInit(&Flt1, USBFILTERTYPE_CAPTURE);
    /* numbers */
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_VENDOR_ID, 0x1111, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_PRODUCT_ID, 0x2222, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_DEVICE, 0, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_DEVICE_CLASS, 0, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_DEVICE_SUB_CLASS, 0, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_DEVICE_PROTOCOL, 0xff, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_BUS, 1, true));
    TST_CHECK_RC(USBFilterSetIgnore(&Flt1, USBFILTERIDX_BUS));
    TST_CHECK_RC(USBFilterSetPresentOnly(&Flt1, USBFILTERIDX_BUS));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_BUS, 1, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_BUS, 1, false));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_PORT, 1, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_PORT, 1, false));
    TST_CHECK_RC(USBFilterSetIgnore(&Flt1, USBFILTERIDX_PORT));
    /* strings */
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR, "foobar", true, false ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR, "foobar", true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString128, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString128, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString128, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString128, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString128, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_PRODUCT_STR,       "barbar", true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_PRODUCT_STR,       g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_PRODUCT_STR,       g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_SERIAL_NUMBER_STR, g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_SERIAL_NUMBER_STR, g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_SERIAL_NUMBER_STR, g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_SERIAL_NUMBER_STR, g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_SERIAL_NUMBER_STR, g_szString64, true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_MANUFACTURER_STR,  "vendor", true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_PRODUCT_STR,       "product", true, false  ));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_SERIAL_NUMBER_STR, "serial", true, false  ));

    /* cloning */
    USBFILTER Dev;
    USBFilterClone(&Dev, &Flt1);

    TST_CHECK_EXPR(USBFilterIsIdentical(&Dev, &Flt1));
    TST_CHECK_EXPR(USBFilterMatch(&Dev, &Flt1));

    USBFilterDelete(&Flt1);
    USBFilterDelete(&Dev);

    /* make a sample device */
    USBFilterInit(&Dev, USBFILTERTYPE_CAPTURE);
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_VENDOR_ID,         0x1111, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_PRODUCT_ID,        0x2222, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_DEVICE,            0, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_DEVICE_CLASS,      0, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_DEVICE_SUB_CLASS,  0, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_DEVICE_PROTOCOL,   0xff, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_BUS,               1, true));
    TST_CHECK_RC(USBFilterSetNumExact(&Dev,     USBFILTERIDX_PORT,              2, true));
    TST_CHECK_RC(USBFilterSetStringExact(&Dev,  USBFILTERIDX_MANUFACTURER_STR,  "vendor", true, false ));
    TST_CHECK_RC(USBFilterSetStringExact(&Dev,  USBFILTERIDX_PRODUCT_STR,       "product", true, false ));
    TST_CHECK_RC(USBFilterSetStringExact(&Dev,  USBFILTERIDX_SERIAL_NUMBER_STR, "serial", true, false ));

    /* do some basic matching tests */
    USBFilterInit(&Flt1, USBFILTERTYPE_CAPTURE);
    TST_CHECK_EXPR(!USBFilterHasAnySubstatialCriteria(&Flt1));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev) /* 100% ignore filter */);

    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_PORT, 3, true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_PORT, 2, true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_BUS, 2, true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExact(&Flt1, USBFILTERIDX_BUS, 1, true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_PRODUCT_STR, "no match", true, false ));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringExact(&Flt1, USBFILTERIDX_PRODUCT_STR, "product", true, false ));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    /* string patterns */
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "p*", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "*product", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "product*", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "pro*t", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "pro*uct", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "pro*uct", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "pro*duct", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "pro*x", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "*product*", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "*oduct*", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "*produc*", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "?r??u*?t", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "?r??u*?*?*?***??t", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "?r??u*?*?*?***??", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "p*d*t", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetStringPattern(&Flt1, USBFILTERIDX_PRODUCT_STR, "p*x*t", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetIgnore(&Flt1, USBFILTERIDX_PRODUCT_STR));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    /* numeric patterns */
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x1111", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0X1111", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "4369", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "010421", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x1111-0x1111", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "4369-4369", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "010421-010421", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x1110-0x1112", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "4360-4370", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "010420-010422", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x1112-0x1110", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x0-0x1f", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0-19", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0-017", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x0-0xffff", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0-65535", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0-177777", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x0-0XABCD", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x0EF-0XABCD", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0X0ef-0Xabcd", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "42|1|0x1111", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "42|0x1111|1", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x1111|42|1", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x1112|42|1", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));

    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "39-59|0x256-0x101f|0xfffff-0xf000|0x1000-0x2000", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "0x000256-0x0101f|0xf000-0xfffff|0x000008000-0x2000|39-59", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "| | \t \t\t| 0x256 - 0x101f   | 0xf000 - 0xfeff\t| 0x1000 -\t0x6000 | 1- 0512", true));
    TST_CHECK_EXPR(USBFilterMatch(&Flt1, &Dev));
    TST_CHECK_RC(USBFilterSetNumExpression(&Flt1, USBFILTERIDX_VENDOR_ID, "| | \t \t\t| 0x256 - 0x101f   | 0xf000 - 0xfeff\t| 0x1112 -\t0x6000 | 1- 0512", true));
    TST_CHECK_EXPR(!USBFilterMatch(&Flt1, &Dev));


    USBFilterDelete(&Flt1);

    /*
     * string overflow
     */
    struct
    {
        uint64_t  u64Pre;
        USBFILTER Flt;
        uint64_t  u64Post;
    } sOf;
    sOf.u64Pre = sOf.u64Post = UINT64_C(0x1234567887654321);

    USBFilterInit(&sOf.Flt, USBFILTERTYPE_CAPTURE);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));

    AssertCompileMemberSize(USBFILTER, achStrTab, 256);
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_SERIAL_NUMBER_STR,   &g_szString256[0],  true, false  ) == VERR_BUFFER_OVERFLOW);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_SERIAL_NUMBER_STR,   &g_szString256[1],  true, false  ) == VERR_BUFFER_OVERFLOW);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_SERIAL_NUMBER_STR,   &g_szString256[2],  true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_SERIAL_NUMBER_STR,   &g_szString256[3],  true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    /* 0 + 1 */
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_SERIAL_NUMBER_STR,   "",                 true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_PRODUCT_STR,         &g_szString256[2],  true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_PRODUCT_STR,         &g_szString256[1],  true, false  ) == VERR_BUFFER_OVERFLOW);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    /* 0 + 2 */
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_PRODUCT_STR,         &g_szString128[2],  true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_SERIAL_NUMBER_STR,   &g_szString128[1],  true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    /* 3 */
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_SERIAL_NUMBER_STR,   &g_szString64[0],   true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_PRODUCT_STR,         &g_szString64[0],   true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_MANUFACTURER_STR,    &g_szString128[4],  true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_MANUFACTURER_STR,    &g_szString128[4],  true, false  ) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetStringExact(&sOf.Flt, USBFILTERIDX_MANUFACTURER_STR,    &g_szString128[3],  true, false  ) == VERR_BUFFER_OVERFLOW);
    TST_CHECK_EXPR(sOf.u64Pre == UINT64_C(0x1234567887654321)); TST_CHECK_EXPR(sOf.u64Post == UINT64_C(0x1234567887654321));

    /*
     * Check for a string replacement bug.
     */
    USBFILTER Dev2;
    USBFilterInit(&Dev2, USBFILTERTYPE_CAPTURE);
    TST_CHECK_EXPR(USBFilterSetNumExact(&Dev2,      USBFILTERIDX_VENDOR_ID,         0x19b6, true) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetNumExact(&Dev2,      USBFILTERIDX_PRODUCT_ID,        0x1024, true) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetNumExact(&Dev2,      USBFILTERIDX_DEVICE_REV,        0x0141, true) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetNumExact(&Dev2,      USBFILTERIDX_DEVICE_CLASS,      0,      true) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetNumExact(&Dev2,      USBFILTERIDX_DEVICE_SUB_CLASS,  0,      true) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetNumExact(&Dev2,      USBFILTERIDX_DEVICE_PROTOCOL,   0,      true) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetNumExact(&Dev2,      USBFILTERIDX_PORT,              0x1,    true) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetStringExact(&Dev2,   USBFILTERIDX_MANUFACTURER_STR, "Generic", true, false ) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetStringExact(&Dev2,   USBFILTERIDX_PRODUCT_STR, "Mass Storage Device", true, false ) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterSetStringExact(&Dev2,   USBFILTERIDX_MANUFACTURER_STR, "YBU1PPRS", true, false ) == VINF_SUCCESS);
    TST_CHECK_EXPR(USBFilterGetNum(&Dev2, USBFILTERIDX_VENDOR_ID) == 0x19b6);
    TST_CHECK_EXPR(USBFilterGetNum(&Dev2, USBFILTERIDX_PRODUCT_ID) == 0x1024);
    TST_CHECK_EXPR(USBFilterGetNum(&Dev2, USBFILTERIDX_DEVICE_REV) == 0x0141);
    TST_CHECK_EXPR(USBFilterGetNum(&Dev2, USBFILTERIDX_DEVICE_CLASS) == 0);
    TST_CHECK_EXPR(USBFilterGetNum(&Dev2, USBFILTERIDX_DEVICE_SUB_CLASS) == 0);
    TST_CHECK_EXPR(USBFilterGetNum(&Dev2, USBFILTERIDX_DEVICE_PROTOCOL) == 0);
    TST_CHECK_EXPR(USBFilterGetNum(&Dev2, USBFILTERIDX_PORT) == 1);


    /*
     * Summary.
     */
    if (!cErrors)
        RTPrintf(TESTCASE ": SUCCESS\n");
    else
        RTPrintf(TESTCASE ": FAILURE - %d errors\n", cErrors);
    return !!cErrors;
}