static rfbBool resize(rfbClient* client) {
static char first=TRUE;
#ifdef SDL_ASYNCBLIT
int flags=SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
#else
int flags=SDL_HWSURFACE|SDL_HWACCEL;
#endif
int width=client->width,height=client->height,
depth=client->format.bitsPerPixel;
client->updateRect.x = client->updateRect.y = 0;
client->updateRect.w = width; client->updateRect.h = height;
rfbBool okay=SDL_VideoModeOK(width,height,depth,flags);
if(!okay)
for(depth=24;!okay && depth>4;depth/=2)
okay=SDL_VideoModeOK(width,height,depth,flags);
if(okay) {
SDL_Surface* sdl=SDL_SetVideoMode(width,height,depth,flags);
rfbClientSetClientData(client, SDL_Init, sdl);
client->width = sdl->pitch / (depth / 8);
client->frameBuffer=sdl->pixels;
if(first || depth!=client->format.bitsPerPixel) {
first=FALSE;
client->format.bitsPerPixel=depth;
client->format.redShift=sdl->format->Rshift;
client->format.greenShift=sdl->format->Gshift;
client->format.blueShift=sdl->format->Bshift;
client->format.redMax=sdl->format->Rmask>>client->format.redShift;
client->format.greenMax=sdl->format->Gmask>>client->format.greenShift;
client->format.blueMax=sdl->format->Bmask>>client->format.blueShift;
SetFormatAndEncodings(client);
}
} else {
/* Redraw the screen from the backing pixmap */
static gboolean expose_event (GtkWidget *widget,
GdkEventExpose *event)
{
static GdkImage *image = NULL;
GdkCursor *cursor;
GdkPixbuf *pixbuf;
if (framebuffer_allocated == FALSE) {
rfbClientSetClientData (cl, gtk_init, widget);
image = gdk_drawable_get_image (widget->window, 0, 0,
widget->allocation.width,
widget->allocation.height);
cl->frameBuffer= image->mem;
cl->width = widget->allocation.width;
cl->height = widget->allocation.height;
cl->format.bitsPerPixel = image->bits_per_pixel;
cl->format.redShift = image->visual->red_shift;
cl->format.greenShift = image->visual->green_shift;
cl->format.blueShift = image->visual->blue_shift;
cl->format.redMax = (1 << image->visual->red_prec) - 1;
cl->format.greenMax = (1 << image->visual->green_prec) - 1;
cl->format.blueMax = (1 << image->visual->blue_prec) - 1;
#ifdef LIBVNCSERVER_CONFIG_LIBVA
/* Allow libvncclient to use a more efficient way
* of putting the framebuffer on the screen when
* using the H.264 format.
*/
cl->outputWindow = GDK_WINDOW_XID(widget->window);
#endif
SetFormatAndEncodings (cl);
framebuffer_allocated = TRUE;
/* Also disable local cursor */
pixbuf = gdk_pixbuf_new_from_xpm_data(dot_cursor_xpm);
cursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), pixbuf, dot_cursor_x_hot, dot_cursor_y_hot);
g_object_unref(pixbuf);
gdk_window_set_cursor (gtk_widget_get_window(GTK_WIDGET(window)), cursor);
gdk_cursor_unref(cursor);
}
#ifndef LIBVNCSERVER_CONFIG_LIBVA
gdk_draw_image (GDK_DRAWABLE (widget->window),
widget->style->fg_gc[gtk_widget_get_state(widget)],
image,
event->area.x, event->area.y,
event->area.x, event->area.y,
event->area.width, event->area.height);
#endif
return FALSE;
}
static rfbBool handleBackChannelMessage(rfbClient* client,
rfbServerToClientMsg* message)
{
backChannelMsg msg;
char* text;
if(message->type != rfbBackChannel)
return FALSE;
rfbClientSetClientData(client, sendMessage, sendMessage);
if(!ReadFromRFBServer(client, ((char*)&msg)+1, sizeof(msg)-1))
return TRUE;
msg.size = rfbClientSwap32IfLE(msg.size);
text = malloc(msg.size);
if(!ReadFromRFBServer(client, text, msg.size)) {
free(text);
return TRUE;
}
rfbClientLog("got back channel message: %s\n", text);
free(text);
return TRUE;
}
bool LibVncImage::connect(const std::string& hostname)
{
if (hostname.empty()) return false;
if (_client) close();
_client = rfbGetClient(8,3,4);
_client->canHandleNewFBSize = TRUE;
_client->MallocFrameBuffer = resizeImage;
_client->GotFrameBufferUpdate = updateImage;
_client->HandleKeyboardLedState = 0;
_client->HandleTextChat = 0;
// provide the password if we have one assigned
if (!_password.empty()) _client->GetPassword = getPassword;
rfbClientSetClientData(_client, 0, this);
size_t pos = hostname.find(":");
if (pos == std::string::npos)
{
_client->serverHost = strdup(hostname.c_str());
}
else
{
_client->serverHost = strdup(hostname.substr(0, pos).c_str());
_client->serverPort = atoi(hostname.substr(pos+1).c_str());
}
// _client->appData.qualityLevel = ;
// _client->appData.encodings = ;
// _client->appData.compressLevel = ;
// _client->appData.scaleSetting = ;
if(rfbInitConnection(_client))
{
_rfbThread = new RfbThread(_client, this);
_rfbThread->startThread();
return true;
}
else
{
close();
return false;
}
}
bool LibVncImage::connect(const std::string& hostname)
{
if (hostname.empty()) return false;
if (_client) close();
_client = rfbGetClient(8,3,4);
_client->canHandleNewFBSize = TRUE;
_client->MallocFrameBuffer = resizeImage;
_client->GotFrameBufferUpdate = updateImage;
_client->HandleKeyboardLedState = 0;
_client->HandleTextChat = 0;
rfbClientSetClientData(_client, 0, this);
_client->serverHost = strdup(hostname.c_str());
// _client->serverPort = ;
// _client->appData.qualityLevel = ;
// _client->appData.encodings = ;
// _client->appData.compressLevel = ;
// _client->appData.scaleSetting = ;
if(rfbInitConnection(_client))
{
_rfbThread = new RfbThread(_client, this);
_rfbThread->startThread();
return true;
}
else
{
close();
return false;
}
}
void VncClientThread::run()
{
QMutexLocker locker(&mutex);
while (!m_stopped) { // try to connect as long as the server allows
locker.relock();
m_passwordError = false;
locker.unlock();
rfbClientLog = outputHandler;
rfbClientErr = outputHandler;
//24bit color dept in 32 bits per pixel = default. Will change colordepth and bpp later if needed
cl = rfbGetClient(8, 3, 4);
setClientColorDepth(cl, this->colorDepth());
cl->MallocFrameBuffer = newclient;
cl->canHandleNewFBSize = true;
cl->GetPassword = passwdHandler;
cl->GetCredential = credentialHandler;
cl->GotFrameBufferUpdate = updatefb;
cl->GotXCutText = cuttext;
rfbClientSetClientData(cl, 0, this);
locker.relock();
cl->serverHost = strdup(m_host.toUtf8().constData());
if (m_port < 0 || !m_port) // port is invalid or empty...
m_port = 5900; // fallback: try an often used VNC port
if (m_port >= 0 && m_port < 100) // the user most likely used the short form (e.g. :1)
m_port += 5900;
cl->serverPort = m_port;
locker.unlock();
kDebug(5011) << "--------------------- trying init ---------------------";
if (rfbInitClient(cl, 0, 0))
break;
else
cl = 0;
locker.relock();
if (m_passwordError)
continue;
return;
}
locker.relock();
kDebug(5011) << "--------------------- Starting main VNC event loop ---------------------";
while (!m_stopped) {
locker.unlock();
const int i = WaitForMessage(cl, 500);
if (m_stopped || i < 0) {
break;
}
if (i) {
if (!HandleRFBServerMessage(cl)) {
break;
}
}
locker.relock();
while (!m_eventQueue.isEmpty()) {
ClientEvent* clientEvent = m_eventQueue.dequeue();
locker.unlock();
clientEvent->fire(cl);
delete clientEvent;
locker.relock();
}
}
m_stopped = true;
}
/*****************************************************************************
* Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
if (p_demux->out == NULL)
return VLC_EGENERIC;
p_sys = vlc_obj_calloc( p_this, 1, sizeof(demux_sys_t) );
if( !p_sys ) return VLC_ENOMEM;
p_sys->f_fps = var_InheritFloat( p_demux, CFG_PREFIX "fps" );
if ( p_sys->f_fps <= 0 ) p_sys->f_fps = 1.0;
p_sys->i_frame_interval = vlc_tick_rate_duration( p_sys->f_fps );
char *psz_chroma = var_InheritString( p_demux, CFG_PREFIX "chroma" );
vlc_fourcc_t i_chroma = vlc_fourcc_GetCodecFromString( VIDEO_ES, psz_chroma );
free( psz_chroma );
if ( !i_chroma || vlc_fourcc_IsYUV( i_chroma ) )
{
msg_Err( p_demux, "Only RGB chroma are supported" );
return VLC_EGENERIC;
}
const vlc_chroma_description_t *p_chroma_desc = vlc_fourcc_GetChromaDescription( i_chroma );
if ( !p_chroma_desc )
{
msg_Err( p_demux, "Unable to get RGB chroma description" );
return VLC_EGENERIC;
}
#ifdef NDEBUG
rfbEnableClientLogging = FALSE;
#endif
p_sys->p_client = rfbGetClient( p_chroma_desc->pixel_bits / 3, // bitsPerSample
3, // samplesPerPixel
p_chroma_desc->pixel_size ); // bytesPerPixel
if ( ! p_sys->p_client )
{
msg_Dbg( p_demux, "Unable to set up client for %s",
vlc_fourcc_GetDescription( VIDEO_ES, i_chroma ) );
return VLC_EGENERIC;
}
msg_Dbg( p_demux, "set up client for %s %d %d %d",
vlc_fourcc_GetDescription( VIDEO_ES, i_chroma ),
p_chroma_desc->pixel_bits / 3, 3, p_chroma_desc->pixel_size );
p_sys->p_client->MallocFrameBuffer = mallocFrameBufferHandler;
p_sys->p_client->canHandleNewFBSize = TRUE;
p_sys->p_client->GetCredential = getCredentialHandler;
p_sys->p_client->GetPassword = getPasswordHandler; /* VNC simple auth */
/* Set compression and quality levels */
p_sys->p_client->appData.compressLevel =
var_InheritInteger( p_demux, CFG_PREFIX "compress-level" );
p_sys->p_client->appData.qualityLevel =
var_InheritInteger( p_demux, CFG_PREFIX "quality-level" );
/* Parse uri params */
vlc_url_t url;
vlc_UrlParse( &url, p_demux->psz_location );
if ( !EMPTY_STR(url.psz_host) )
p_sys->p_client->serverHost = strdup( url.psz_host );
else
p_sys->p_client->serverHost = strdup( "localhost" );
p_sys->p_client->appData.viewOnly = TRUE;
p_sys->p_client->serverPort = ( url.i_port > 0 ) ? url.i_port : 5900;
msg_Dbg( p_demux, "VNC init %s host=%s port=%d",
p_demux->psz_location,
p_sys->p_client->serverHost,
p_sys->p_client->serverPort );
vlc_UrlClean( &url );
/* make demux available for callback handlers */
rfbClientSetClientData( p_sys->p_client, DemuxThread, p_demux );
p_demux->p_sys = p_sys;
if( !rfbInitClient( p_sys->p_client, NULL, NULL ) )
{
msg_Err( p_demux, "can't connect to RFB server" );
return VLC_EGENERIC;
}
p_sys->i_starttime = vlc_tick_now();
if ( vlc_clone( &p_sys->thread, DemuxThread, p_demux, VLC_THREAD_PRIORITY_INPUT ) != VLC_SUCCESS )
{
msg_Err( p_demux, "can't spawn thread" );
return VLC_EGENERIC;
}
p_demux->pf_demux = NULL;
p_demux->pf_control = Control;
return VLC_SUCCESS;
}
/**
* Allocates a new rfbClient instance given the parameters stored within the
* client, returning NULL on failure.
*/
static rfbClient* __guac_vnc_get_client(guac_client* client) {
rfbClient* rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */
vnc_guac_client_data* guac_client_data =
(vnc_guac_client_data*) client->data;
/* Store Guac client in rfb client */
rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client);
/* Framebuffer update handler */
rfb_client->GotFrameBufferUpdate = guac_vnc_update;
rfb_client->GotCopyRect = guac_vnc_copyrect;
/* Do not handle clipboard and local cursor if read-only */
if (guac_client_data->read_only == 0) {
/* Clipboard */
rfb_client->GotXCutText = guac_vnc_cut_text;
/* Set remote cursor */
if (guac_client_data->remote_cursor)
rfb_client->appData.useRemoteCursor = FALSE;
else {
/* Enable client-side cursor */
rfb_client->appData.useRemoteCursor = TRUE;
rfb_client->GotCursorShape = guac_vnc_cursor;
}
}
/* Password */
rfb_client->GetPassword = guac_vnc_get_password;
/* Depth */
guac_vnc_set_pixel_format(rfb_client, guac_client_data->color_depth);
/* Hook into allocation so we can handle resize. */
guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;
rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer;
rfb_client->canHandleNewFBSize = 1;
/* Set hostname and port */
rfb_client->serverHost = strdup(guac_client_data->hostname);
rfb_client->serverPort = guac_client_data->port;
#ifdef ENABLE_VNC_REPEATER
/* Set repeater parameters if specified */
if (guac_client_data->dest_host) {
rfb_client->destHost = strdup(guac_client_data->dest_host);
rfb_client->destPort = guac_client_data->dest_port;
}
#endif
#ifdef ENABLE_VNC_LISTEN
/* If reverse connection enabled, start listening */
if (guac_client_data->reverse_connect) {
guac_client_log_info(client, "Listening for connections on port %i",
guac_client_data->port);
/* Listen for connection from server */
rfb_client->listenPort = guac_client_data->port;
if (listenForIncomingConnectionsNoFork(rfb_client,
guac_client_data->listen_timeout*1000) <= 0)
return NULL;
}
#endif
/* Set encodings if provided */
if (guac_client_data->encodings)
rfb_client->appData.encodingsString =
strdup(guac_client_data->encodings);
/* Connect */
if (rfbInitClient(rfb_client, NULL, NULL))
return rfb_client;
/* If connection fails, return NULL */
return NULL;
}
void ItalcVncConnection::doConnection()
{
QMutex sleeperMutex;
while( !m_stopped && m_state != Connected ) // try to connect as long as the server allows
{
m_cl = rfbGetClient( 8, 3, 4 );
m_cl->MallocFrameBuffer = hookNewClient;
m_cl->canHandleNewFBSize = true;
m_cl->GotFrameBufferUpdate = hookUpdateFB;
m_cl->FinishedFrameBufferUpdate = hookFinishFrameBufferUpdate;
m_cl->HandleCursorPos = hookHandleCursorPos;
m_cl->GotCursorShape = hookCursorShape;
m_cl->GotXCutText = hookCutText;
rfbClientSetClientData( m_cl, 0, this );
m_mutex.lock();
if( m_port < 0 ) // port is invalid or empty...
{
m_port = PortOffsetVncServer;
}
if( m_port >= 0 && m_port < 100 )
{
// the user most likely used the short form (e.g. :1)
m_port += PortOffsetVncServer;
}
free( m_cl->serverHost );
m_cl->serverHost = strdup( m_host.toUtf8().constData() );
m_cl->serverPort = m_port;
m_mutex.unlock();
emit newClient( m_cl );
int argc;
if( rfbInitClient( m_cl, &argc, NULL ) )
{
emit connected();
m_state = Connected;
if( m_framebufferUpdateInterval < 0 )
{
rfbClientSetClientData( m_cl, (void *) 0x555, (void *) 1 );
}
}
else
{
// guess reason why connection failed based on the state,
// libvncclient left the rfbClient structure
if( argc < 0 )
{
m_state = HostUnreachable;
}
else if( argc > 0 )
{
m_state = AuthenticationFailed;
}
else
{
// failed for an unknown reason
m_state = ConnectionFailed;
}
// do not sleep when already requested to stop
if( m_stopped )
{
break;
}
// wait a bit until next connect
sleeperMutex.lock();
if( m_framebufferUpdateInterval > 0 )
{
m_updateIntervalSleeper.wait( &sleeperMutex,
m_framebufferUpdateInterval );
}
else
{
// default: retry every second
m_updateIntervalSleeper.wait( &sleeperMutex, 1000 );
}
sleeperMutex.unlock();
}
}
QTime lastFullUpdate = QTime::currentTime();
// Main VNC event loop
while( !m_stopped )
{
int timeout = 500;
if( m_framebufferUpdateInterval < 0 )
{
timeout = 100*1000; // 100 ms
}
const int i = WaitForMessage( m_cl, timeout );
if( i < 0 )
{
break;
}
else if( i )
{
// read and process remaining messages many messages as available
bool handledOkay = true;
while( WaitForMessage( m_cl, 0 ) && handledOkay )
{
handledOkay = HandleRFBServerMessage( m_cl );
}
if( handledOkay == false )
{
break;
}
}
else
{
/* // work around a bug in UltraVNC on Win7 where it does not handle
// incremental updates correctly
int msecs = lastFullUpdate.msecsTo( QTime::currentTime() );
if( ( m_framebufferUpdateInterval > 0 &&
msecs > 10*m_framebufferUpdateInterval ) ||
( m_framebufferUpdateInterval == 0 && msecs > 1000 ) )
{
SendFramebufferUpdateRequest( m_cl, 0, 0,
framebufferSize().width(), framebufferSize().height(),
false );
lastFullUpdate = QTime::currentTime();
}*/
}
m_mutex.lock();
while( !m_eventQueue.isEmpty() )
{
ClientEvent * clientEvent = m_eventQueue.dequeue();
// unlock the queue mutex during the runtime of ClientEvent::fire()
m_mutex.unlock();
clientEvent->fire( m_cl );
delete clientEvent;
// and lock it again
m_mutex.lock();
}
m_mutex.unlock();
if( m_framebufferUpdateInterval > 0 && m_stopped == false )
{
sleeperMutex.lock();
m_updateIntervalSleeper.wait( &sleeperMutex,
m_framebufferUpdateInterval );
sleeperMutex.unlock();
}
}
if( m_state == Connected && m_cl )
{
rfbClientCleanup( m_cl );
}
m_state = Disconnected;
}
void VncClientThread::run()
{
QMutexLocker locker(&m_mutex);
int passwd_failures = 0;
while (!m_stopped) { // try to connect as long as the server allows
m_passwordError = false;
outputErrorMessageString.clear(); //don't deliver error messages of old instances...
rfbClientLog = outputHandler;
rfbClientErr = outputHandler;
m_cl = rfbGetClient(8, 3, 4); // bitsPerSample, samplesPerPixel, bytesPerPixel
m_cl->MallocFrameBuffer = newclient;
m_cl->canHandleNewFBSize = true;
m_cl->GetPassword = passwdHandler;
m_cl->GotFrameBufferUpdate = updatefb;
m_cl->GotXCutText = cuttext;
rfbClientSetClientData(m_cl, 0, this);
m_cl->serverHost = strdup(m_host.toUtf8().constData());
if (m_port < 0 || !m_port) // port is invalid or empty...
m_port = 5900; // fallback: try an often used VNC port
if (m_port >= 0 && m_port < 100) // the user most likely used the short form (e.g. :1)
m_port += 5900;
m_cl->serverPort = m_port;
m_cl->listenSpecified = rfbBool(m_listen_port > 0);
m_cl->listenPort = m_listen_port;
kDebug(5011) << "--------------------- trying init ---------------------";
if (rfbInitClient(m_cl, 0, 0))
break;
//init failed...
if (m_passwordError) {
passwd_failures++;
if(passwd_failures < 3)
continue; //that's ok, try again
}
//stop connecting
m_stopped = true;
return; //no cleanup necessary, m_cl was free()d by rfbInitClient()
}
locker.unlock();
// Main VNC event loop
while (!m_stopped) {
const int i = WaitForMessage(m_cl, 500);
if(m_stopped or i < 0)
break;
if (i)
if (!HandleRFBServerMessage(m_cl))
break;
locker.relock();
while (!m_eventQueue.isEmpty()) {
ClientEvent* clientEvent = m_eventQueue.dequeue();
clientEvent->fire(m_cl);
delete clientEvent;
}
locker.unlock();
}
// Cleanup allocated resources
locker.relock();
rfbClientCleanup(m_cl);
m_stopped = true;
}
void VeyonCoreConnection::initNewClient( rfbClient *cl )
{
rfbClientSetClientData( cl, VeyonCoreConnectionTag, this );
}
void VncClientThread::run()
{
QMutexLocker locker(&mutex);
while (!m_stopped) { // try to connect as long as the server allows
m_passwordError = false;
rfbClientLog = outputHandler;
rfbClientErr = outputHandler;
cl = rfbGetClient(8, 3, 4);
cl->MallocFrameBuffer = newclient;
cl->canHandleNewFBSize = true;
cl->GetPassword = passwdHandler;
cl->GotFrameBufferUpdate = updatefb;
cl->GotXCutText = cuttext;
rfbClientSetClientData(cl, 0, this);
cl->serverHost = strdup(m_host.toUtf8().constData());
if (m_port < 0 || !m_port) // port is invalid or empty...
m_port = 5900; // fallback: try an often used VNC port
if (m_port >= 0 && m_port < 100) // the user most likely used the short form (e.g. :1)
m_port += 5900;
cl->serverPort = m_port;
kDebug(5011) << "--------------------- trying init ---------------------";
if (rfbInitClient(cl, 0, 0))
break;
if (m_passwordError)
continue;
return;
}
locker.unlock();
// Main VNC event loop
while (!m_stopped) {
const int i = WaitForMessage(cl, 500);
if (i < 0)
break;
if (i)
if (!HandleRFBServerMessage(cl))
break;
locker.relock();
while (!m_eventQueue.isEmpty()) {
ClientEvent* clientEvent = m_eventQueue.dequeue();
clientEvent->fire(cl);
delete clientEvent;
}
locker.unlock();
}
// Cleanup allocated resources
locker.relock();
rfbClientCleanup(cl);
m_stopped = true;
}
int guac_client_init(guac_client* client, int argc, char** argv) {
rfbClient* rfb_client;
vnc_guac_client_data* guac_client_data;
int read_only;
/* Set up libvncclient logging */
rfbClientLog = guac_vnc_client_log_info;
rfbClientErr = guac_vnc_client_log_error;
/*** PARSE ARGUMENTS ***/
if (argc != VNC_ARGS_COUNT) {
guac_protocol_send_error(client->socket, "Wrong argument count received.");
guac_socket_flush(client->socket);
return 1;
}
/* Alloc client data */
guac_client_data = malloc(sizeof(vnc_guac_client_data));
client->data = guac_client_data;
/* Set read-only flag */
read_only = (strcmp(argv[IDX_READ_ONLY], "true") == 0);
/* Set red/blue swap flag */
guac_client_data->swap_red_blue = (strcmp(argv[IDX_SWAP_RED_BLUE], "true") == 0);
/* Freed after use by libvncclient */
guac_client_data->password = strdup(argv[IDX_PASSWORD]);
/*** INIT RFB CLIENT ***/
rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */
/* Store Guac client in rfb client */
rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client);
/* Framebuffer update handler */
rfb_client->GotFrameBufferUpdate = guac_vnc_update;
rfb_client->GotCopyRect = guac_vnc_copyrect;
/* Do not handle clipboard and local cursor if read-only */
if (read_only == 0) {
/* Enable client-side cursor */
rfb_client->GotCursorShape = guac_vnc_cursor;
rfb_client->appData.useRemoteCursor = TRUE;
/* Clipboard */
rfb_client->GotXCutText = guac_vnc_cut_text;
}
/* Password */
rfb_client->GetPassword = guac_vnc_get_password;
/* Depth */
guac_vnc_set_pixel_format(rfb_client, atoi(argv[IDX_COLOR_DEPTH]));
#ifdef ENABLE_PULSE
guac_client_data->audio_enabled =
(strcmp(argv[IDX_ENABLE_AUDIO], "true") == 0);
/* If an encoding is available, load an audio stream */
if (guac_client_data->audio_enabled) {
guac_client_data->audio = guac_audio_stream_alloc(client, NULL);
/* Load servername if specified */
if (argv[IDX_AUDIO_SERVERNAME][0] != '\0')
guac_client_data->pa_servername =
strdup(argv[IDX_AUDIO_SERVERNAME]);
else
guac_client_data->pa_servername = NULL;
/* If successful, init audio system */
if (guac_client_data->audio != NULL) {
guac_client_log_info(client,
"Audio will be encoded as %s",
guac_client_data->audio->encoder->mimetype);
/* Require threadsafe sockets if audio enabled */
guac_socket_require_threadsafe(client->socket);
/* Start audio stream */
guac_pa_start_stream(client);
}
/* Otherwise, audio loading failed */
else
guac_client_log_info(client,
"No available audio encoding. Sound disabled.");
} /* end if audio enabled */
#endif
/* Hook into allocation so we can handle resize. */
guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;
rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer;
rfb_client->canHandleNewFBSize = 1;
/* Set hostname and port */
rfb_client->serverHost = strdup(argv[0]);
rfb_client->serverPort = atoi(argv[1]);
#ifdef ENABLE_VNC_REPEATER
/* Set repeater parameters if specified */
if(argv[IDX_DEST_HOST][0] != '\0')
rfb_client->destHost = strdup(argv[IDX_DEST_HOST]);
if(argv[IDX_DEST_PORT][0] != '\0')
rfb_client->destPort = atoi(argv[IDX_DEST_PORT]);
#endif
/* Set encodings if specified */
if (argv[IDX_ENCODINGS][0] != '\0')
rfb_client->appData.encodingsString = guac_client_data->encodings
= strdup(argv[IDX_ENCODINGS]);
else
guac_client_data->encodings = NULL;
/* Connect */
if (!rfbInitClient(rfb_client, NULL, NULL)) {
guac_protocol_send_error(client->socket, "Error initializing VNC client");
guac_socket_flush(client->socket);
return 1;
}
/* Set remaining client data */
guac_client_data->rfb_client = rfb_client;
guac_client_data->copy_rect_used = 0;
guac_client_data->cursor = guac_client_alloc_buffer(client);
/* Set handlers */
client->handle_messages = vnc_guac_client_handle_messages;
client->free_handler = vnc_guac_client_free_handler;
if (read_only == 0) {
/* Do not handle mouse/keyboard/clipboard if read-only */
client->mouse_handler = vnc_guac_client_mouse_handler;
client->key_handler = vnc_guac_client_key_handler;
client->clipboard_handler = vnc_guac_client_clipboard_handler;
}
/* Send name */
guac_protocol_send_name(client->socket, rfb_client->desktopName);
/* Send size */
guac_protocol_send_size(client->socket,
GUAC_DEFAULT_LAYER, rfb_client->width, rfb_client->height);
return 0;
}
int guac_client_init(guac_client* client, int argc, char** argv) {
rfbClient* rfb_client;
vnc_guac_client_data* guac_client_data;
int read_only;
/* Set up libvncclient logging */
rfbClientLog = guac_vnc_client_log_info;
rfbClientErr = guac_vnc_client_log_error;
/*** PARSE ARGUMENTS ***/
if (argc < 7) {
guac_protocol_send_error(client->socket, "Wrong argument count received.");
guac_socket_flush(client->socket);
return 1;
}
/* Alloc client data */
guac_client_data = malloc(sizeof(vnc_guac_client_data));
client->data = guac_client_data;
/* Set read-only flag */
read_only = (strcmp(argv[2], "true") == 0);
/* Set red/blue swap flag */
guac_client_data->swap_red_blue = (strcmp(argv[5], "true") == 0);
/* Freed after use by libvncclient */
guac_client_data->password = strdup(argv[4]);
/*** INIT RFB CLIENT ***/
rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */
/* Store Guac client in rfb client */
rfbClientSetClientData(rfb_client, __GUAC_CLIENT, client);
/* Framebuffer update handler */
rfb_client->GotFrameBufferUpdate = guac_vnc_update;
rfb_client->GotCopyRect = guac_vnc_copyrect;
/* Do not handle clipboard and local cursor if read-only */
if (read_only == 0) {
/* Enable client-side cursor */
rfb_client->GotCursorShape = guac_vnc_cursor;
rfb_client->appData.useRemoteCursor = TRUE;
/* Clipboard */
rfb_client->GotXCutText = guac_vnc_cut_text;
}
/* Password */
rfb_client->GetPassword = guac_vnc_get_password;
/* Depth */
guac_vnc_set_pixel_format(rfb_client, atoi(argv[6]));
/* Hook into allocation so we can handle resize. */
guac_client_data->rfb_MallocFrameBuffer = rfb_client->MallocFrameBuffer;
rfb_client->MallocFrameBuffer = guac_vnc_malloc_framebuffer;
rfb_client->canHandleNewFBSize = 1;
/* Set hostname and port */
rfb_client->serverHost = strdup(argv[0]);
rfb_client->serverPort = atoi(argv[1]);
/* Set encodings if specified */
if (argv[3][0] != '\0')
rfb_client->appData.encodingsString = guac_client_data->encodings = strdup(argv[3]);
else
guac_client_data->encodings = NULL;
/* Connect */
if (!rfbInitClient(rfb_client, NULL, NULL)) {
guac_protocol_send_error(client->socket, "Error initializing VNC client");
guac_socket_flush(client->socket);
return 1;
}
/* Set remaining client data */
guac_client_data->rfb_client = rfb_client;
guac_client_data->copy_rect_used = 0;
guac_client_data->cursor = guac_client_alloc_buffer(client);
/* Set handlers */
client->handle_messages = vnc_guac_client_handle_messages;
client->free_handler = vnc_guac_client_free_handler;
if (read_only == 0) {
/* Do not handle mouse/keyboard/clipboard if read-only */
client->mouse_handler = vnc_guac_client_mouse_handler;
client->key_handler = vnc_guac_client_key_handler;
client->clipboard_handler = vnc_guac_client_clipboard_handler;
}
/* Send name */
guac_protocol_send_name(client->socket, rfb_client->desktopName);
/* Send size */
guac_protocol_send_size(client->socket,
GUAC_DEFAULT_LAYER, rfb_client->width, rfb_client->height);
return 0;
}