void
HandleFileDownloadCancelRequest(rfbClientPtr cl, rfbTightClientPtr rtcp)
{
int n = 0;
char *reason = NULL;
rfbClientToServerTightMsg msg;
memset(&msg, 0, sizeof(rfbClientToServerTightMsg));
if((n = rfbReadExact(cl, ((char *)&msg)+1, sz_rfbFileDownloadCancelMsg-1)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading "
"FileDownloadCancelMsg\n", __FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
msg.fdc.reasonLen = Swap16IfLE(msg.fdc.reasonLen);
if(msg.fdc.reasonLen == 0) {
rfbLog("File [%s]: Method [%s]: reason length received is Zero\n",
__FILE__, __FUNCTION__);
return;
}
reason = (char*) calloc(msg.fdc.reasonLen + 1, sizeof(char));
if(reason == NULL) {
rfbLog("File [%s]: Method [%s]: Fatal Error: Memory alloc failed\n",
__FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, reason, msg.fdc.reasonLen)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading "
"FileDownloadCancelMsg\n", __FILE__, __FUNCTION__);
rfbCloseClient(cl);
}
rfbLog("File [%s]: Method [%s]: File Download Cancel Request received:"
" reason <%s>\n", __FILE__, __FUNCTION__, reason);
pthread_mutex_lock(&fileDownloadMutex);
CloseUndoneFileTransfer(cl, rtcp);
pthread_mutex_unlock(&fileDownloadMutex);
if(reason != NULL) {
free(reason);
reason = NULL;
}
}
void
HandleFileCreateDirRequest(rfbClientPtr cl, rfbTightClientPtr rtcp)
{
int n = 0;
char dirName[PATH_MAX];
rfbClientToServerTightMsg msg;
memset(dirName, 0, PATH_MAX);
memset(&msg, 0, sizeof(rfbClientToServerTightMsg));
if(cl == NULL) {
rfbLog("File [%s]: Method [%s]: Unexpected error: rfbClientPtr is null\n",
__FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, ((char *)&msg)+1, sz_rfbFileCreateDirRequestMsg-1)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileCreateDirRequestMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
msg.fcdr.dNameLen = Swap16IfLE(msg.fcdr.dNameLen);
/* TODO :: chk if the dNameLen is greater than PATH_MAX */
if((n = rfbReadExact(cl, dirName, msg.fcdr.dNameLen)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadFailedMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
if(ConvertPath(dirName) == NULL) {
rfbLog("File [%s]: Method [%s]: Unexpected error: path is NULL\n",
__FILE__, __FUNCTION__);
return;
}
CreateDirectory(dirName);
}
void
HandleFileDownloadLengthError(rfbClientPtr cl, short fNameSize)
{
char *path = NULL;
int n = 0;
if((path = (char*) calloc(fNameSize, sizeof(char))) == NULL) {
rfbLog("File [%s]: Method [%s]: Fatal Error: Alloc failed\n",
__FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, path, fNameSize)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading dir name\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
if(path != NULL) {
free(path);
path = NULL;
}
return;
}
if(path != NULL) {
free(path);
path = NULL;
}
SendFileDownloadLengthErrMsg(cl);
}
//! handle request for a bounding sphere update
rfbBool VncServer::handleBoundsMessage(rfbClientPtr cl, void *data,
const rfbClientToServerMsg *message) {
if (message->type != rfbBounds)
return FALSE;
if (!cl->clientData) {
cl->clientData = new ClientData();
}
ClientData *cd = static_cast<ClientData *>(cl->clientData);
cd->supportsBounds = true;
boundsMsg msg;
int n = rfbReadExact(cl, ((char *)&msg)+1, sizeof(msg)-1);
if (n <= 0) {
if (n!= 0)
rfbLogPerror("handleBoundsMessage: read");
rfbCloseClient(cl);
return TRUE;
}
if (msg.sendreply) {
std::cout << "SENDING BOUNDS" << std::endl;
sendBoundsMessage(cl);
}
return TRUE;
}
void
rfbProcessClientSecurityType(rfbClientPtr cl)
{
int n;
uint8_t chosenType;
rfbSecurityHandler* handler;
/* Read the security type. */
n = rfbReadExact(cl, (char *)&chosenType, 1);
if (n <= 0) {
if (n == 0)
rfbLog("rfbProcessClientSecurityType: client gone\n");
else
rfbLogPerror("rfbProcessClientSecurityType: read");
rfbCloseClient(cl);
return;
}
/* Make sure it was present in the list sent by the server. */
for (handler = securityHandlers; handler; handler = handler->next) {
if (chosenType == handler->type) {
rfbLog("rfbProcessClientSecurityType: executing handler for type %d\n", chosenType);
handler->handler(cl);
return;
}
}
rfbLog("rfbProcessClientSecurityType: wrong security type (%d) requested\n", chosenType);
rfbCloseClient(cl);
}
//! handle light update message
rfbBool VncServer::handleLightsMessage(rfbClientPtr cl, void *data,
const rfbClientToServerMsg *message) {
if (message->type != rfbLights)
return FALSE;
lightsMsg msg;
int n = rfbReadExact(cl, ((char *)&msg)+1, sizeof(msg)-1);
if (n <= 0) {
if (n!= 0)
rfbLogPerror("handleLightsMessage: read");
rfbCloseClient(cl);
return TRUE;
}
if (!cl->clientData) {
cl->clientData = new ClientData();
}
ClientData *cd = static_cast<ClientData *>(cl->clientData);
cd->supportsLights = true;
#define SET_VEC(d, dst, src) \
do { \
for (int k=0; k<d; ++k) { \
(dst)[k] = (src)[k]; \
} \
} while(false)
std::vector<Light> newLights;
for (int i=0; i<lightsMsg::NumLights; ++i) {
const auto &cl = msg.lights[i];
newLights.emplace_back();
auto &l = newLights.back();
SET_VEC(4, l.position, cl.position);
SET_VEC(4, l.ambient, cl.ambient);
SET_VEC(4, l.diffuse, cl.diffuse);
SET_VEC(4, l.specular, cl.specular);
SET_VEC(3, l.attenuation, cl.attenuation);
SET_VEC(3, l.direction, cl.spot_direction);
l.spotCutoff = cl.spot_cutoff;
l.spotExponent = cl.spot_exponent;
l.enabled = cl.enabled;
//std::cerr << "Light " << i << ": ambient: " << l.ambient << std::endl;
//std::cerr << "Light " << i << ": diffuse: " << l.diffuse << std::endl;
}
std::swap(plugin->lights, newLights);
if (plugin->lights != newLights) {
++plugin->lightsUpdateCount;
std::cerr << "handleLightsMessage: lights changed" << std::endl;
}
//std::cerr << "handleLightsMessage: " << plugin->lights.size() << " lights received" << std::endl;
return TRUE;
}
//! handle image tile request by client
rfbBool VncServer::handleTileMessage(rfbClientPtr cl, void *data,
const rfbClientToServerMsg *message) {
if (message->type != rfbTile)
return FALSE;
if (!cl->clientData) {
cl->clientData = new ClientData();
}
ClientData *cd = static_cast<ClientData *>(cl->clientData);
if (!cd->supportsTile) {
++plugin->m_numRhrClients;
std::cerr << "VncServer: RHR client connected (#RHR: " << plugin->m_numClients << ", #total: " << plugin->m_numClients << ")" << std::endl;
}
cd->supportsTile = true;
tileMsg msg;
int n = rfbReadExact(cl, ((char *)&msg)+1, sizeof(msg)-1);
if (n <= 0) {
if (n!= 0)
rfbLogPerror("handleTileMessage: read");
rfbCloseClient(cl);
return TRUE;
}
cd->tileCompressions = msg.compression;
std::vector<char> buf(msg.size);
n = rfbReadExact(cl, &buf[0], msg.size);
if (n <= 0) {
if (n!= 0)
rfbLogPerror("handleTileMessage: read data");
rfbCloseClient(cl);
return TRUE;
}
if (msg.flags & rfbTileRequest) {
std::cerr << "VncServer: tile request ignored" << std::endl;
// FIXME
//sendDepthMessage(cl);
}
return TRUE;
}
void
rfbProcessClientAuthType(rfbClientPtr cl)
{
uint32_t auth_type;
int n, i;
rfbTightClientPtr rtcp = rfbGetTightClientData(cl);
rfbLog("tightvnc-filetransfer/rfbProcessClientAuthType\n");
if(rtcp == NULL)
return;
/* Read authentication type selected by the client. */
n = rfbReadExact(cl, (char *)&auth_type, sizeof(auth_type));
if (n <= 0) {
if (n == 0)
rfbLog("rfbProcessClientAuthType: client gone\n");
else
rfbLogPerror("rfbProcessClientAuthType: read");
rfbCloseClient(cl);
return;
}
auth_type = Swap32IfLE(auth_type);
/* Make sure it was present in the list sent by the server. */
for (i = 0; i < rtcp->nAuthCaps; i++) {
if (auth_type == rtcp->authCaps[i])
break;
}
if (i >= rtcp->nAuthCaps) {
rfbLog("rfbProcessClientAuthType: "
"wrong authentication type requested\n");
rfbCloseClient(cl);
return;
}
switch (auth_type) {
case rfbAuthNone:
/* Dispatch client input to rfbProcessClientInitMessage. */
#ifdef USE_SECTYPE_TIGHT_FOR_RFB_3_8
SECTYPE_TIGHT_FOR_RFB_3_8
#endif
cl->state = RFB_INITIALISATION;
break;
case rfbAuthVNC:
rfbVncAuthSendChallenge(cl);
break;
default:
rfbLog("rfbProcessClientAuthType: unknown authentication scheme\n");
rfbCloseClient(cl);
}
}
//! handle matrix update message
rfbBool VncServer::handleMatricesMessage(rfbClientPtr cl, void *data,
const rfbClientToServerMsg *message) {
if (message->type != rfbMatrices)
return FALSE;
matricesMsg msg;
int n = rfbReadExact(cl, ((char *)&msg)+1, sizeof(msg)-1);
if (n <= 0) {
if (n!= 0)
rfbLogPerror("handleMatricesMessage: read");
rfbCloseClient(cl);
return TRUE;
}
size_t viewNum = msg.viewNum >= 0 ? msg.viewNum : 0;
if (viewNum >= plugin->m_viewData.size()) {
plugin->m_viewData.resize(viewNum+1);
}
plugin->resize(viewNum, msg.width, msg.height);
ViewData &vd = plugin->m_viewData[viewNum];
vd.nparam.matrixTime = msg.time;
vd.nparam.requestNumber = msg.requestNumber;
for (int i=0; i<16; ++i) {
vd.nparam.proj.data()[i] = msg.proj[i];
vd.nparam.view.data()[i] = msg.view[i];
vd.nparam.model.data()[i] = msg.model[i];
}
//std::cerr << "handleMatrices: view " << msg.viewNum << ", proj: " << vd.nparam.proj << std::endl;
if (msg.last) {
for (int i=0; i<plugin->numViews(); ++i) {
plugin->m_viewData[i].param = plugin->m_viewData[i].nparam;
}
}
return TRUE;
}
void
rfbAuthProcessClientMessage(rfbClientPtr cl)
{
int n;
uint8_t response[CHALLENGESIZE];
uint32_t authResult;
if ((n = rfbReadExact(cl, (char *)response, CHALLENGESIZE)) <= 0) {
if (n != 0)
rfbLogPerror("rfbAuthProcessClientMessage: read");
rfbCloseClient(cl);
return;
}
//uptill now, we don't chk the passwd, we do it later --TODO
// if(!cl->screen->passwordCheck(cl,(const char*)response,CHALLENGESIZE)) {
// rfbErr("rfbAuthProcessClientMessage: password check failed\n");
// authResult = Swap32IfLE(rfbVncAuthFailed);
// if (rfbWriteExact(cl, (char *)&authResult, 4) < 0) {
// rfbLogPerror("rfbAuthProcessClientMessage: write");
// }
// /* support RFB 3.8 clients, they expect a reason *why* it was disconnected */
// if (cl->protocolMinorVersion > 7) {
// rfbClientSendString(cl, "password check failed!");
// }
// else
// rfbCloseClient(cl);
// return;
// }
authResult = Swap32IfLE(rfbVncAuthOK);
if (rfbWriteExact(cl, (char *)&authResult, 4) < 0) {
rfbLogPerror("rfbAuthProcessClientMessage: write");
rfbCloseClient(cl);
return;
}
cl->state = RFB_INITIALISATION;
}
void
HandleFileUploadFailedRequest(rfbClientPtr cl, rfbTightClientPtr rtcp)
{
int n = 0;
char* reason = NULL;
rfbClientToServerTightMsg msg;
memset(&msg, 0, sizeof(rfbClientToServerTightMsg));
if(cl == NULL) {
rfbLog("File [%s]: Method [%s]: Unexpected error: rfbClientPtr is null\n",
__FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, ((char *)&msg)+1, sz_rfbFileUploadFailedMsg-1)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadFailedMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
msg.fuf.reasonLen = Swap16IfLE(msg.fuf.reasonLen);
if(msg.fuf.reasonLen == 0) {
rfbLog("File [%s]: Method [%s]: reason length received is Zero\n",
__FILE__, __FUNCTION__);
return;
}
reason = (char*) calloc(msg.fuf.reasonLen + 1, sizeof(char));
if(reason == NULL) {
rfbLog("File [%s]: Method [%s]: Memory alloc failed\n", __FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, reason, msg.fuf.reasonLen)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadFailedMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
if(reason != NULL) {
free(reason);
reason = NULL;
}
return;
}
rfbLog("File [%s]: Method [%s]: File Upload Failed Request received:"
" reason <%s>\n", __FILE__, __FUNCTION__, reason);
CloseUndoneFileTransfer(cl, rtcp);
if(reason != NULL) {
free(reason);
reason = NULL;
}
}
void
HandleFileUploadDataRequest(rfbClientPtr cl, rfbTightClientPtr rtcp)
{
int n = 0;
char* pBuf = NULL;
rfbClientToServerTightMsg msg;
memset(&msg, 0, sizeof(rfbClientToServerTightMsg));
if(cl == NULL) {
rfbLog("File [%s]: Method [%s]: Unexpected error: rfbClientPtr is null\n",
__FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, ((char *)&msg)+1, sz_rfbFileUploadDataMsg-1)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadRequestMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
msg.fud.realSize = Swap16IfLE(msg.fud.realSize);
msg.fud.compressedSize = Swap16IfLE(msg.fud.compressedSize);
if((msg.fud.realSize == 0) && (msg.fud.compressedSize == 0)) {
if((n = rfbReadExact(cl, (char*)&(rtcp->rcft.rcfu.mTime), sizeof(unsigned
long))) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadRequestMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
FileUpdateComplete(cl, rtcp);
return;
}
pBuf = (char*) calloc(msg.fud.compressedSize, sizeof(char));
if(pBuf == NULL) {
rfbLog("File [%s]: Method [%s]: Memory alloc failed\n", __FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, pBuf, msg.fud.compressedSize)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadRequestMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
if(pBuf != NULL) {
free(pBuf);
pBuf = NULL;
}
return;
}
if(msg.fud.compressedLevel != 0) {
FileTransferMsg ftm;
memset(&ftm, 0, sizeof(FileTransferMsg));
ftm = GetFileUploadCompressedLevelErrMsg();
if((ftm.data != NULL) && (ftm.length != 0)) {
rfbWriteExact(cl, ftm.data, ftm.length);
FreeFileTransferMsg(ftm);
}
CloseUndoneFileTransfer(cl, rtcp);
if(pBuf != NULL) {
free(pBuf);
pBuf = NULL;
}
return;
}
rtcp->rcft.rcfu.fSize = msg.fud.compressedSize;
HandleFileUploadWrite(cl, rtcp, pBuf);
if(pBuf != NULL) {
free(pBuf);
pBuf = NULL;
}
}
void
HandleFileUploadRequest(rfbClientPtr cl, rfbTightClientPtr rtcp)
{
int n = 0;
char path[PATH_MAX]; /* PATH_MAX has the value 4096 and is defined in limits.h */
rfbClientToServerTightMsg msg;
memset(path, 0, PATH_MAX);
memset(&msg, 0, sizeof(rfbClientToServerTightMsg));
if(cl == NULL) {
rfbLog("File [%s]: Method [%s]: Unexpected error: rfbClientPtr is null\n",
__FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, ((char *)&msg)+1, sz_rfbFileUploadRequestMsg-1)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadRequestMsg\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
msg.fupr.fNameSize = Swap16IfLE(msg.fupr.fNameSize);
msg.fupr.position = Swap16IfLE(msg.fupr.position);
if ((msg.fupr.fNameSize == 0) ||
(msg.fupr.fNameSize > (PATH_MAX - 1))) {
rfbLog("File [%s]: Method [%s]: error: path length is greater than PATH_MAX\n",
__FILE__, __FUNCTION__);
HandleFileUploadLengthError(cl, msg.fupr.fNameSize);
return;
}
if((n = rfbReadExact(cl, rtcp->rcft.rcfu.fName, msg.fupr.fNameSize)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Error while reading FileUploadRequestMsg\n"
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
rtcp->rcft.rcfu.fName[msg.fupr.fNameSize] = '\0';
if(ConvertPath(rtcp->rcft.rcfu.fName) == NULL) {
rfbLog("File [%s]: Method [%s]: Unexpected error: path is NULL\n",
__FILE__, __FUNCTION__);
/* This may come if the path length exceeds PATH_MAX.
So sending path length error to client
*/
SendFileUploadLengthErrMsg(cl);
return;
}
HandleFileUpload(cl, rtcp);
}
/*
* HandleFileListRequest method is called when the server receives
* FileListRequest. In case of success a file list is sent to the client.
* For File List Request there is no failure reason sent.So here in case of any
* "unexpected" error no information will be sent. As these conditions should
* never come. Lets hope it never arrives :)
* In case of dir open failure an empty list will be sent, just the header of
* the message filled up. So on console you will get an Empty listing.
*/
void
HandleFileListRequest(rfbClientPtr cl, rfbTightClientRec* data)
{
rfbClientToServerTightMsg msg;
int n = 0;
char path[PATH_MAX]; /* PATH_MAX has the value 4096 and is defined in limits.h */
FileTransferMsg fileListMsg;
memset(&msg, 0, sizeof(rfbClientToServerTightMsg));
memset(path, 0, PATH_MAX);
memset(&fileListMsg, 0, sizeof(FileTransferMsg));
if(cl == NULL) {
rfbLog("File [%s]: Method [%s]: Unexpected error: rfbClientPtr is null\n",
__FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, ((char *)&msg)+1, sz_rfbFileListRequestMsg-1)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Socket error while reading dir name"
" length\n", __FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
msg.flr.dirNameSize = Swap16IfLE(msg.flr.dirNameSize);
if ((msg.flr.dirNameSize == 0) ||
(msg.flr.dirNameSize > (PATH_MAX - 1))) {
rfbLog("File [%s]: Method [%s]: Unexpected error:: path length is "
"greater that PATH_MAX\n", __FILE__, __FUNCTION__);
return;
}
if((n = rfbReadExact(cl, path, msg.flr.dirNameSize)) <= 0) {
if (n < 0)
rfbLog("File [%s]: Method [%s]: Socket error while reading dir name\n",
__FILE__, __FUNCTION__);
rfbCloseClient(cl);
return;
}
if(ConvertPath(path) == NULL) {
/* The execution should never reach here */
rfbLog("File [%s]: Method [%s]: Unexpected error: path is NULL",
__FILE__, __FUNCTION__);
return;
}
fileListMsg = GetFileListResponseMsg(path, (char) (msg.flr.flags));
if((fileListMsg.data == NULL) || (fileListMsg.length == 0)) {
rfbLog("File [%s]: Method [%s]: Unexpected error:: Data to be sent is "
"of Zero length\n", __FILE__, __FUNCTION__);
return;
}
rfbWriteExact(cl, fileListMsg.data, fileListMsg.length);
FreeFileTransferMsg(fileListMsg);
}
//! handle generic application message
rfbBool VncServer::handleApplicationMessage(rfbClientPtr cl, void *data,
const rfbClientToServerMsg *message) {
if (message->type != rfbApplication)
return FALSE;
if (!cl->clientData) {
cl->clientData = new ClientData();
appAnimationTimestep app;
app.current = plugin->m_imageParam.timestep;
app.total = plugin->m_numTimesteps;
sendApplicationMessage(cl, rfbAnimationTimestep, sizeof(app), (char *)&app);
}
ClientData *cd = static_cast<ClientData *>(cl->clientData);
cd->supportsApplication = true;
applicationMsg msg;
int n = rfbReadExact(cl, ((char *)&msg)+1, sizeof(msg)-1);
if (n <= 0) {
if (n!= 0)
rfbLogPerror("handleApplicationMessage: read");
rfbCloseClient(cl);
return TRUE;
}
std::vector<char> buf(msg.size);
n = rfbReadExact(cl, &buf[0], msg.size);
if (n <= 0) {
if (n!= 0)
rfbLogPerror("handleApplicationMessage: read data");
rfbCloseClient(cl);
return TRUE;
}
if (plugin->m_appHandler) {
bool handled = plugin->m_appHandler(msg.appType, buf);
if (handled)
return TRUE;
}
switch (msg.appType) {
case rfbScreenConfig:
{
appScreenConfig app;
memcpy(&app, &buf[0], sizeof(app));
plugin->resize(0, app.width, app.height);
plugin->m_screenConfig.hsize = app.hsize;
plugin->m_screenConfig.vsize = app.vsize;
for (int i=0; i<3; ++i) {
plugin->m_screenConfig.pos[i] = app.screenPos[i];
plugin->m_screenConfig.hpr[i] = app.screenRot[i];
}
}
break;
case rfbFeedback:
{
// not needed: handled via vistle connection
}
break;
case rfbAnimationTimestep: {
appAnimationTimestep app;
memcpy(&app, &buf[0], sizeof(app));
plugin->m_imageParam.timestep = app.current;
}
break;
}
return TRUE;
}