Пример #1
0
TextTrack::~TextTrack()
{
    if (m_cues) {
        if (m_client)
            m_client->textTrackRemoveCues(this, m_cues.get());

        for (size_t i = 0; i < m_cues->length(); ++i)
            m_cues->item(i)->setTrack(0);
    }
    clearClient();
}
Пример #2
0
TextTrack::~TextTrack()
{
    if (m_cues) {
        if (m_client)
            m_client->textTrackRemoveCues(this, m_cues.get());

        for (size_t i = 0; i < m_cues->length(); ++i)
            m_cues->item(i)->setTrack(0);
#if ENABLE(WEBVTT_REGIONS)
        for (size_t i = 0; i < m_regions->length(); ++i)
            m_regions->item(i)->setTrack(0);
#endif
    }
    clearClient();
}
Пример #3
0
JSC::JSInternalPromise* ScriptModuleLoader::fetch(JSC::JSGlobalObject* jsGlobalObject, JSC::ExecState* exec, JSC::JSModuleLoader*, JSC::JSValue moduleKeyValue, JSC::JSValue initiator)
{
    auto& globalObject = *JSC::jsCast<JSDOMGlobalObject*>(jsGlobalObject);
    auto& jsPromise = *JSC::JSInternalPromiseDeferred::create(exec, &globalObject);
    auto deferred = DeferredPromise::create(globalObject, jsPromise);
    if (moduleKeyValue.isSymbol()) {
        deferred->reject(TypeError, ASCIILiteral("Symbol module key should be already fulfilled with the inlined resource."));
        return jsPromise.promise();
    }

    if (!moduleKeyValue.isString()) {
        deferred->reject(TypeError, ASCIILiteral("Module key is not Symbol or String."));
        return jsPromise.promise();
    }

    // https://html.spec.whatwg.org/multipage/webappapis.html#fetch-a-single-module-script

    URL completedURL(URL(), asString(moduleKeyValue)->value(exec));
    if (!completedURL.isValid()) {
        deferred->reject(TypeError, ASCIILiteral("Module key is a valid URL."));
        return jsPromise.promise();
    }

    ASSERT_WITH_MESSAGE(JSC::jsDynamicCast<JSElement*>(initiator), "Initiator should be an JSElement");
    auto* scriptElement = toScriptElementIfPossible(&JSC::jsCast<JSElement*>(initiator)->wrapped());
    ASSERT_WITH_MESSAGE(scriptElement, "Initiator should be ScriptElement.");

    if (auto* frame = m_document.frame()) {
        auto loader = CachedModuleScriptLoader::create(*this, deferred.get());
        m_loaders.add(loader.copyRef());
        if (!loader->load(*scriptElement, completedURL)) {
            loader->clearClient();
            m_loaders.remove(WTFMove(loader));

            deferred->reject(frame->script().moduleLoaderAlreadyReportedErrorSymbol());
            return jsPromise.promise();
        }
    }

    return jsPromise.promise();
}
Пример #4
0
void LocalFrame::detach()
{
    // A lot of the following steps can result in the current frame being
    // detached, so protect a reference to it.
    RefPtr<LocalFrame> protect(this);
    m_deprecatedLoader.stopAllLoaders();
    m_deprecatedLoader.closeURL();
    detachChildren();
    // stopAllLoaders() needs to be called after detachChildren(), because detachChildren()
    // will trigger the unload event handlers of any child frames, and those event
    // handlers might start a new subresource load in this frame.
    m_deprecatedLoader.stopAllLoaders();

    setView(nullptr);
    willDetachFrameHost();

    // After this, we must no longer talk to the client since this clears
    // its owning reference back to our owning LocalFrame.
    loaderClient()->detachedFromParent();
    clearClient();
    detachFromFrameHost();
}
Пример #5
0
TextTrack::~TextTrack()
{
    if (m_client && m_cues)
        m_client->textTrackRemoveCues(this, m_cues.get());
    clearClient();
}
Пример #6
0
/*
	Main
*/
int main(int argc, char ** argv)
{
	struct sockaddr_in	inaddr;
	socklen_t		inaddrlen;
	struct timeval	timeout;
	ssl_t			*ssl;
	serverDtls_t	*dtlsCtx;
	SOCKET			sock;
	fd_set			readfd;
	unsigned char	*sslBuf, *recvfromBuf, *CAstream;
#ifdef USE_DTLS_DEBUG_TRACE	
	unsigned char   *addrstr;
#endif
#if !defined(ID_PSK) && !defined(ID_DHE_PSK)
	unsigned char   *keyValue, *certValue;
	int32           keyLen, certLen;
#endif	
	sslKeys_t		*keys;
	int32			freeBufLen, rc, val, recvLen, err, CAstreamLen;
	int32			sslBufLen, rcr, rcs, sendLen, recvfromBufLen;
	sslSessOpts_t	options;

#ifdef WIN32
	WSADATA         wsaData;
	WSAStartup(MAKEWORD(1, 1), &wsaData);
#endif

	rc = 0;
	ssl = NULL;
	dtlsCtx = NULL;
	sock = INVALID_SOCKET;

	/* parse input arguments */
	if (0 != process_cmd_options(argc, argv)) {
		usage();
		return 0;
	}

	if (sigsetup() < 0) {
		_psTrace("Init error creating signal handlers\n");
		return DTLS_FATAL;
	}

	if (matrixSslOpen() < 0) {
		_psTrace("Init error opening MatrixDTLS library\n");
		return DTLS_FATAL;
	}
	if (matrixSslNewKeys(&keys, NULL) < 0) {
		_psTrace("Init error allocating key structure\n");
		matrixSslClose();
		return DTLS_FATAL;
	}

	if ((rc = initClientList(MAX_CLIENTS)) < 0) {
		_psTrace("Init error opening client list\n");
		goto MATRIX_EXIT;
	}

	recvfromBufLen = matrixDtlsGetPmtu();
	if ((recvfromBuf = psMalloc(MATRIX_NO_POOL, recvfromBufLen)) == NULL) {
		rc = PS_MEM_FAIL;
		_psTrace("Init error allocating receive buffer\n");
		goto CLIENT_EXIT;
	}

#ifdef USE_HEADER_KEYS
/*
	In-memory based keys
	Build the CA list first for potential client auth usage
*/
	CAstreamLen = 0;
#ifdef USE_RSA
	CAstreamLen += sizeof(RSACAS);
#ifdef USE_ECC
	CAstreamLen += sizeof(ECDHRSACAS);
#endif
#endif
#ifdef USE_ECC
	CAstreamLen += sizeof(ECCAS);
#endif
	CAstream = psMalloc(NULL, CAstreamLen);

	CAstreamLen = 0;
#ifdef USE_RSA
	memcpy(CAstream, RSACAS, sizeof(RSACAS));
	CAstreamLen += sizeof(RSACAS);
#ifdef USE_ECC
	memcpy(CAstream + CAstreamLen, ECDHRSACAS, sizeof(ECDHRSACAS));
	CAstreamLen += sizeof(ECDHRSACAS);
#endif
#endif
#ifdef USE_ECC
	memcpy(CAstream + CAstreamLen, ECCAS, sizeof(ECCAS));
	CAstreamLen += sizeof(ECCAS);
#endif

#ifdef EXAMPLE_RSA_KEYS
	switch (g_rsaKeySize) {
		case 1024:
			certValue = (unsigned char *)RSA1024;
			certLen = sizeof(RSA1024);
			keyValue = (unsigned char *)RSA1024KEY;
			keyLen = sizeof(RSA1024KEY);
			break;
		case 2048:
			certValue = (unsigned char *)RSA2048;
			certLen = sizeof(RSA2048);
			keyValue = (unsigned char *)RSA2048KEY;
			keyLen = sizeof(RSA2048KEY);
			break;
		case 3072:
			certValue = (unsigned char *)RSA3072;
			certLen = sizeof(RSA3072);
			keyValue = (unsigned char *)RSA3072KEY;
			keyLen = sizeof(RSA3072KEY);
			break;
		case 4096:
			certValue = (unsigned char *)RSA4096;
			certLen = sizeof(RSA4096);
			keyValue = (unsigned char *)RSA4096KEY;
			keyLen = sizeof(RSA4096KEY);
			break;
		default:
			_psTraceInt("Invalid RSA key length (%d)\n", g_rsaKeySize);
			return -1;
	}

	if ((rc = matrixSslLoadRsaKeysMem(keys, (const unsigned char *)certValue,
			certLen, (const unsigned char *)keyValue, keyLen, CAstream,
			CAstreamLen)) < 0) {
		_psTrace("No certificate material loaded.  Exiting\n");
		psFree(CAstream, NULL);
		matrixSslDeleteKeys(keys);
		matrixSslClose();
		return rc;
	}
#endif


#ifdef EXAMPLE_ECDH_RSA_KEYS
	switch (g_ecdhKeySize) {
		case 256:
			certValue = (unsigned char *)ECDHRSA256;
			certLen = sizeof(ECDHRSA256);
			keyValue = (unsigned char *)ECDHRSA256KEY;
			keyLen = sizeof(ECDHRSA256KEY);
			break;
		case 521:
			certValue = (unsigned char *)ECDHRSA521;
			certLen = sizeof(ECDHRSA521);
			keyValue = (unsigned char *)ECDHRSA521KEY;
			keyLen = sizeof(ECDHRSA521KEY);
			break;
		default:
			_psTraceInt("Invalid ECDH_RSA key length (%d)\n", g_ecdhKeySize);
			return -1;
	}

	if ((rc = matrixSslLoadEcKeysMem(keys, (const unsigned char *)certValue,
				certLen, (const unsigned char *)keyValue, keyLen, CAstream,
				CAstreamLen)) < 0) {
		_psTrace("No certificate material loaded.  Exiting\n");
		psFree(CAstream, NULL);
		matrixSslDeleteKeys(keys);
		matrixSslClose();
		return rc;
	}
#endif

#ifdef EXAMPLE_EC_KEYS
	switch (g_eccKeySize) {
		case 192:
			certValue = (unsigned char *)EC192;
			certLen = sizeof(EC192);
			keyValue = (unsigned char *)EC192KEY;
			keyLen = sizeof(EC192KEY);
			break;
		case 224:
			certValue = (unsigned char *)EC224;
			certLen = sizeof(EC224);
			keyValue = (unsigned char *)EC224KEY;
			keyLen = sizeof(EC224KEY);
			break;
		case 256:
			certValue = (unsigned char *)EC256;
			certLen = sizeof(EC256);
			keyValue = (unsigned char *)EC256KEY;
			keyLen = sizeof(EC256KEY);
			break;
		case 384:
			certValue = (unsigned char *)EC384;
			certLen = sizeof(EC384);
			keyValue = (unsigned char *)EC384KEY;
			keyLen = sizeof(EC384KEY);
			break;
		case 521:
			certValue = (unsigned char *)EC521;
			certLen = sizeof(EC521);
			keyValue = (unsigned char *)EC521KEY;
			keyLen = sizeof(EC521KEY);
			break;
		default:
			_psTraceInt("Invalid ECC key length (%d)\n", g_eccKeySize);
			return -1;
	}

	if ((rc = matrixSslLoadEcKeysMem(keys, certValue, certLen,
			keyValue, keyLen, CAstream, CAstreamLen)) < 0) {
		_psTrace("No certificate material loaded.  Exiting\n");
		psFree(CAstream, NULL);
		matrixSslDeleteKeys(keys);
		matrixSslClose();
		return rc;
	}
#endif

#ifdef REQUIRE_DH_PARAMS
	if (matrixSslLoadDhParamsMem(keys, DHPARAM2048, DHPARAM2048_SIZE)
			< 0) {
		_psTrace("Unable to load DH parameters\n");
	}
#endif /* DH_PARAMS */


	psFree(CAstream, NULL);
#else /* USE_HEADER_KEYS */
/*
	File based keys
	Build the CA list first for potential client auth usage
*/
	CAstreamLen = 0;
#ifdef USE_RSA
	if (g_rsaKeySize == 3072)
		CAstreamLen += (int32)strlen(rsaCA3072File) + 1;
	else
		CAstreamLen += (int32)strlen(rsaCAFile) + 1;
#ifdef USE_ECC
	CAstreamLen += (int32)strlen(ecdhRsaCAFile) + 1;
#endif
#endif
#ifdef USE_ECC
	CAstreamLen += (int32)strlen(ecCAFile) + 1;
#endif
	CAstream = psMalloc(NULL, CAstreamLen);
	memset(CAstream, 0x0, CAstreamLen);

	CAstreamLen = 0;
#ifdef USE_RSA
	if (g_rsaKeySize == 3072) {
		memcpy(CAstream, rsaCA3072File,	strlen(rsaCA3072File));
		CAstreamLen += strlen(rsaCA3072File);
	}
	else {
		memcpy(CAstream, rsaCAFile,	strlen(rsaCAFile));
		CAstreamLen += strlen(rsaCAFile);
	}
#ifdef USE_ECC
	memcpy(CAstream + CAstreamLen, ";", 1); CAstreamLen++;
	memcpy(CAstream + CAstreamLen, ecdhRsaCAFile,  strlen(ecdhRsaCAFile));
	CAstreamLen += strlen(ecdhRsaCAFile);
#endif
#endif
#ifdef USE_ECC
	if (CAstreamLen > 0) {
		memcpy(CAstream + CAstreamLen, ";", 1); CAstreamLen++;
	}
	memcpy(CAstream + CAstreamLen, ecCAFile,  strlen(ecCAFile));
#endif

/* Load Identiy */
#ifdef EXAMPLE_RSA_KEYS
	if ((rc = matrixSslLoadRsaKeys(keys, rsaCertFile, rsaPrivkeyFile, NULL,
			(char*)CAstream)) < 0) {
		_psTrace("No certificate material loaded.  Exiting\n");
		psFree(CAstream);
		matrixSslDeleteKeys(keys);
		matrixSslClose();
		return rc;
	}
#endif


#ifdef EXAMPLE_ECDH_RSA_KEYS
	if ((rc = matrixSslLoadEcKeys(keys, ecdhRsaCertFile, ecdhRsaPrivkeyFile,
			NULL, (char*)CAstream)) < 0) {
		_psTrace("No certificate material loaded.  Exiting\n");
		psFree(CAstream);
		matrixSslDeleteKeys(keys);
		matrixSslClose();
		return rc;
	}
#endif

#ifdef EXAMPLE_EC_KEYS
	if ((rc = matrixSslLoadEcKeys(keys, ecCertFile, ecPrivkeyFile, NULL,
			(char*)CAstream)) < 0) {
		_psTrace("No certificate material loaded.  Exiting\n");
		psFree(CAstream);
		matrixSslDeleteKeys(keys);
		matrixSslClose();
		return rc;
	}
#endif

#ifdef REQUIRE_DH_PARAMS
	if (matrixSslLoadDhParams(keys, dhParamFile) < 0) {
		_psTrace("Unable to load DH parameters\n");
	}
#endif


	psFree(CAstream);
#endif /* USE_HEADER_KEYS */


#ifdef USE_PSK_CIPHER_SUITE
	/* The first ID is considered as null-terminiated string for
	   compatibility with OpenSSL's s_client default client identity
	   "Client_identity" */

 	matrixSslLoadPsk(keys,
            	PSK_HEADER_TABLE[0].key,
            	sizeof(PSK_HEADER_TABLE[0].key),
            	PSK_HEADER_TABLE[0].id,
            	strlen((const char *)PSK_HEADER_TABLE[0].id));

	for (rc = 1; rc < PSK_HEADER_TABLE_COUNT; rc++) {
        matrixSslLoadPsk(keys,
            	PSK_HEADER_TABLE[rc].key,
            	sizeof(PSK_HEADER_TABLE[rc].key),
            	PSK_HEADER_TABLE[rc].id,
            	sizeof(PSK_HEADER_TABLE[rc].id));
    }
#endif /* PSK */


	if ((sock = newUdpSocket(NULL, DTLS_PORT, &err)) == INVALID_SOCKET) {
		_psTrace("Error creating UDP socket\n");
		goto DTLS_EXIT;
	}
	_psTraceInt("DTLS server running on port %d\n", DTLS_PORT);

/*
	Server loop
*/
	for (exitFlag = 0; exitFlag == 0;) {
		timeout.tv_sec = 1;
		timeout.tv_usec = 0;
		FD_ZERO(&readfd);
		FD_SET(sock, &readfd);
/*
		Always just wait a second for any incoming data.  The primary loop
		mechanism reads data from one source and replies with handshake data
		if needed (that reply may be a resend if reading a repeat message).
		Individual client timeouts are then handled
*/
		val = select(sock+1, &readfd, NULL, NULL, &timeout);

		if (val > 0 && FD_ISSET(sock, &readfd)) {
			psTraceIntDtls("Select woke %d\n", val);
			/* recvfrom data must always go into generic buffer becuase we
			don't yet know who it is from */
			inaddrlen = sizeof(struct sockaddr_in);
			if ((recvLen = (int32)recvfrom(sock, recvfromBuf, recvfromBufLen, 0,
										   (struct sockaddr *)&inaddr, &inaddrlen)) < 0) {
#ifdef WIN32
				if (SOCKET_ERRNO != EWOULDBLOCK &&
						SOCKET_ERRNO != WSAECONNRESET) {
#else
				if (SOCKET_ERRNO != EWOULDBLOCK) {
#endif
					_psTraceInt("recvfrom error %d.  Exiting\n", SOCKET_ERRNO);
					goto DTLS_EXIT;
				}
				continue;
				}
#ifdef USE_DTLS_DEBUG_TRACE
			/* nice for debugging */
			{
				const char *addrstr;
				addrstr = getaddrstring((struct sockaddr *)&inaddr, 1);
				psTraceIntDtls("Read %d bytes ", recvLen);
				psTraceStrDtls("from %s\n", (char*)addrstr);
				psFree(addrstr, NULL);
			}
#endif

			/* Locate the SSL context of this receive and create a new session
			if not found */
			if ((dtlsCtx = findClient(inaddr)) == NULL) {
				memset(&options, 0x0, sizeof(sslSessOpts_t));
				options.versionFlag = SSL_FLAGS_DTLS;
				options.truncHmac = -1;

				if (matrixSslNewServerSession(&ssl, keys,
						certValidator, &options) < 0) {
					rc = DTLS_FATAL; goto DTLS_EXIT;
				}
				if ((dtlsCtx = registerClient(inaddr, sock, ssl)) == NULL) {
					/* Client list is full.  Just have to ignore */
					matrixSslDeleteSession(ssl);
					continue;
				}
			}

			ssl = dtlsCtx->ssl;
			/*  Move socket data into internal buffer */
			freeBufLen = matrixSslGetReadbuf(ssl, &sslBuf);
			psAssert(freeBufLen >= recvLen);
			psAssert(freeBufLen == matrixDtlsGetPmtu());
			memcpy(sslBuf, recvfromBuf, recvLen);

			/*	Notify SSL state machine that we've received more data into the
			ssl buffer retreived with matrixSslGetReadbuf. */
			if ((rcr = matrixSslReceivedData(ssl, recvLen, &sslBuf,
					(uint32*)&freeBufLen)) < 0) {
				clearClient(dtlsCtx);
				continue;	/* Next connection */
			}
			/* Update last activity time and reset timeout*/
			psGetTime(&dtlsCtx->lastRecvTime, NULL);
			dtlsCtx->timeout = MIN_WAIT_SECS;

PROCESS_MORE_FROM_BUFFER:
			/* Process any incoming plaintext application data */
			switch (rcr) {
				case MATRIXSSL_HANDSHAKE_COMPLETE:
					/* This is a resumed handshake case which means we are
					the last to receive handshake flights and we know the
					handshake is complete.  However, the internal workings
					will not flag us officially complete until we receive
					application data from the peer so we need a local flag
					to handle this case so we are not resending our final
					flight */
					dtlsCtx->connStatus = RESUMED_HANDSHAKE_COMPLETE;
					psTraceDtls("Got HANDSHAKE_COMPLETE out of ReceivedData\n");
					break;
				case MATRIXSSL_APP_DATA:
					/* Now safe to clear the connStatus flag that was keeping
					track of the state between receiving the final flight of
					a resumed handshake and receiving application data.  The
					reciept of app data has now internally disabled flight
					resends */
					dtlsCtx->connStatus = 0;
					_psTrace("Client connected.  Received...\n");
					_psTraceStr("%s\n", (char*)sslBuf);
					break;
				case MATRIXSSL_REQUEST_SEND:
					/* Still handshaking with this particular client */
					while ((sslBufLen = matrixDtlsGetOutdata(ssl,
							&sslBuf)) > 0) {
						if ((sendLen = udpSend(dtlsCtx->fd, sslBuf, sslBufLen,
											   (struct sockaddr*)&inaddr,
											   sizeof(struct sockaddr_in),
											   dtlsCtx->timeout,
											   packet_loss_prob,
											   NULL)) < 0) {
							psTraceDtls("udpSend error.  Ignoring\n");
						}
						/* Always indicate the entire datagram was sent as
						there is no way for DTLS to handle partial records.
						Resends and timeouts will handle any problems */
						rcs = matrixDtlsSentData(ssl, sslBufLen);

						if (rcs == MATRIXSSL_REQUEST_CLOSE) {
							psTraceDtls("Got REQUEST_CLOSE out of SentData\n");
							clearClient(dtlsCtx);
							break;
						}
						if (rcs == MATRIXSSL_HANDSHAKE_COMPLETE) {
							/* This is the standard handshake case */
							_psTrace("Got HANDSHAKE_COMPLETE from SentData\n");
							break;
						}
						/* SSL_REQUEST_SEND is handled by loop logic */
					}
					break;
				case MATRIXSSL_REQUEST_RECV:
					psTraceDtls("Got REQUEST_RECV from ReceivedData\n");
					break;
				case MATRIXSSL_RECEIVED_ALERT:
					/* The first byte of the buffer is the level */
					/* The second byte is the description */
					if (*sslBuf == SSL_ALERT_LEVEL_FATAL) {
						psTraceIntDtls("Fatal alert: %d, closing connection.\n",
									*(sslBuf + 1));
						clearClient(dtlsCtx);
						continue; /* Next connection */
					}
					/* Closure alert is normal (and best) way to close */
					if (*(sslBuf + 1) == SSL_ALERT_CLOSE_NOTIFY) {
						clearClient(dtlsCtx);
						continue; /* Next connection */
					}
					psTraceIntDtls("Warning alert: %d\n", *(sslBuf + 1));
					if ((rcr = matrixSslProcessedData(ssl, &sslBuf,
							(uint32*)&freeBufLen)) == 0) {
						continue;
					}
					goto PROCESS_MORE_FROM_BUFFER;

				default:
					continue; /* Next connection */
			}
		} else if (val < 0) {
			if (SOCKET_ERRNO != EINTR) {
				psTraceIntDtls("unhandled error %d from select", SOCKET_ERRNO);
			}
		}
/*
		Have either timed out waiting for a read or have processed a single
		recv.  Now check to see if any timeout resends are required
*/
		rc = handleResends(sock);
	}	/* Main Select Loop */


DTLS_EXIT:
	psFree(recvfromBuf, NULL);
CLIENT_EXIT:
	closeClientList();
MATRIX_EXIT:
	matrixSslDeleteKeys(keys);
	matrixSslClose();
	if (sock != INVALID_SOCKET) close(sock);
	return rc;
}

/******************************************************************************/
/*
	Work through client list and resend handshake flight if haven't heard
	from them in a while
*/
static int32 handleResends(SOCKET sock)
{
	serverDtls_t	*dtlsCtx;
	ssl_t			*ssl;
	psTime_t		now;
	unsigned char	*sslBuf;
	int16			i;
	int32			sendLen, rc;
	uint32			timeout, sslBufLen, clientCount;

	clientCount = 0; /* return code is number of active clients or < 0 on error */
	psGetTime(&now, NULL);
	for (i = 0; i < tableSize; i++) {
		dtlsCtx = &clientTable[i];
		if (dtlsCtx->ssl != NULL) {
			clientCount++;
			timeout = psDiffMsecs(dtlsCtx->lastRecvTime, now, NULL) / 1000;
			/* Haven't heard from this client in a while.  Might need resend */
			if (timeout > dtlsCtx->timeout) {
				/* if timeout is too great. clear conn */
				if (dtlsCtx->timeout >= MAX_WAIT_SECS) {
					clearClient(dtlsCtx);
					clientCount--;
					break;
				}
				/* Increase the timeout for next pass */
				dtlsCtx->timeout *= 2;

				/* If we are in a RESUMED_HANDSHAKE_COMPLETE state that means
				we are positive the handshake is complete so we don't want to
				resend no matter what.  This is an interim state before the
				internal mechaism sees an application data record and flags
				us as complete officially */
				if (dtlsCtx->connStatus == RESUMED_HANDSHAKE_COMPLETE) {
					psTraceDtls("Connected but awaiting data\n");
					continue;
				}
				ssl = dtlsCtx->ssl;
				while ((sslBufLen = matrixDtlsGetOutdata(ssl,
						&sslBuf)) > 0) {
					if ((sendLen = udpSend(dtlsCtx->fd, sslBuf, sslBufLen,
										   (struct sockaddr*)&dtlsCtx->addr,
										   sizeof(struct sockaddr_in),
										   dtlsCtx->timeout / 2,
										   packet_loss_prob,
										   NULL)) < 0) {
						psTraceDtls("udpSend error.  Ignoring\n");
					}
					/* Always indicate the entire datagram was sent as
					there is no way for DTLS to handle partial records.
					Resends and timeouts will handle any problems */
					if ((rc = matrixDtlsSentData(ssl, sslBufLen)) < 0) {
						psTraceDtls("internal error\n");
						clearClient(dtlsCtx);
						clientCount--;
						break;
					}
					if (rc == MATRIXSSL_REQUEST_CLOSE) {
						psTraceDtls("Got REQUEST_CLOSE out of SentData\n");
						clearClient(dtlsCtx);
						clientCount--;
						break;
					}
					if (rc == MATRIXSSL_HANDSHAKE_COMPLETE) {
						/* This is the standard handshake case */
						psTraceDtls("Got HANDSHAKE_COMPLETE out of SentData\n");
						break;
					}
					/* SSL_REQUEST_SEND is handled by loop logic */
				}

			}
		}
	}
	return clientCount;
}