1 files changed, 375 insertions, 0 deletions
diff --git a/3rdParty/LibVNC/src/libvncclient/vncviewer.c b/3rdParty/LibVNC/src/libvncclient/vncviewer.c
new file mode 100644
index 0000000..094ba34
--- /dev/null
+++ b/3rdParty/LibVNC/src/libvncclient/vncviewer.c
@@ -0,0 +1,375 @@
+/*
+ *  Copyright (C) 1999 AT&T Laboratories Cambridge.  All Rights Reserved.
+ *
+ *  This is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This software is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this software; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ *  USA.
+ */
+
+/*
+ * vncviewer.c - the Xt-based VNC viewer.
+ */
+
+#ifdef __STRICT_ANSI__
+#define _BSD_SOURCE
+#define _POSIX_SOURCE
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <rfb/rfbclient.h>
+#include "tls.h"
+
+static void Dummy(rfbClient* client) {
+}
+static rfbBool DummyPoint(rfbClient* client, int x, int y) {
+  return TRUE;
+}
+static void DummyRect(rfbClient* client, int x, int y, int w, int h) {
+}
+
+#ifdef __MINGW32__
+static char* NoPassword(rfbClient* client) {
+  return strdup("");
+}
+#undef SOCKET
+#include <winsock2.h>
+#define close closesocket
+#else
+#include <stdio.h>
+#include <termios.h>
+#endif
+
+static char* ReadPassword(rfbClient* client) {
+#ifdef __MINGW32__
+	/* FIXME */
+	rfbClientErr("ReadPassword on MinGW32 NOT IMPLEMENTED\n");
+	return NoPassword(client);
+#else
+	int i;
+	char* p=malloc(9);
+	struct termios save,noecho;
+	p[0]=0;
+	if(tcgetattr(fileno(stdin),&save)!=0) return p;
+	noecho=save; noecho.c_lflag &= ~ECHO;
+	if(tcsetattr(fileno(stdin),TCSAFLUSH,&noecho)!=0) return p;
+	fprintf(stderr,"Password: ");
+	i=0;
+	while(1) {
+		int c=fgetc(stdin);
+		if(c=='\n')
+			break;
+		if(i<8) {
+			p[i]=c;
+			i++;
+			p[i]=0;
+		}
+	}
+	tcsetattr(fileno(stdin),TCSAFLUSH,&save);
+	return p;
+#endif
+}
+static rfbBool MallocFrameBuffer(rfbClient* client) {
+  if(client->frameBuffer)
+    free(client->frameBuffer);
+  client->frameBuffer=malloc(client->width*client->height*client->format.bitsPerPixel/8);
+  return client->frameBuffer?TRUE:FALSE;
+}
+
+static void initAppData(AppData* data) {
+	data->shareDesktop=TRUE;
+	data->viewOnly=FALSE;
+	data->encodingsString="tight zrle ultra copyrect hextile zlib corre rre raw";
+	data->useBGR233=FALSE;
+	data->nColours=0;
+	data->forceOwnCmap=FALSE;
+	data->forceTrueColour=FALSE;
+	data->requestedDepth=0;
+	data->compressLevel=3;
+	data->qualityLevel=5;
+#ifdef LIBVNCSERVER_HAVE_LIBJPEG
+	data->enableJPEG=TRUE;
+#else
+	data->enableJPEG=FALSE;
+#endif
+	data->useRemoteCursor=FALSE;
+}
+
+rfbClient* rfbGetClient(int bitsPerSample,int samplesPerPixel,
+			int bytesPerPixel) {
+  rfbClient* client=(rfbClient*)calloc(sizeof(rfbClient),1);
+  if(!client) {
+    rfbClientErr("Couldn't allocate client structure!\n");
+    return NULL;
+  }
+  initAppData(&client->appData);
+  client->endianTest = 1;
+  client->programName="";
+  client->serverHost=strdup("");
+  client->serverPort=5900;
+
+  client->destHost = NULL;
+  client->destPort = 5900;
+  
+  client->CurrentKeyboardLedState = 0;
+  client->HandleKeyboardLedState = (HandleKeyboardLedStateProc)DummyPoint;
+
+  /* default: use complete frame buffer */ 
+  client->updateRect.x = -1;
+ 
+  client->format.bitsPerPixel = bytesPerPixel*8;
+  client->format.depth = bitsPerSample*samplesPerPixel;
+  client->appData.requestedDepth=client->format.depth;
+  client->format.bigEndian = *(char *)&client->endianTest?FALSE:TRUE;
+  client->format.trueColour = TRUE;
+
+  if (client->format.bitsPerPixel == 8) {
+    client->format.redMax = 7;
+    client->format.greenMax = 7;
+    client->format.blueMax = 3;
+    client->format.redShift = 0;
+    client->format.greenShift = 3;
+    client->format.blueShift = 6;
+  } else {
+    client->format.redMax = (1 << bitsPerSample) - 1;
+    client->format.greenMax = (1 << bitsPerSample) - 1;
+    client->format.blueMax = (1 << bitsPerSample) - 1;
+    if(!client->format.bigEndian) {
+      client->format.redShift = 0;
+      client->format.greenShift = bitsPerSample;
+      client->format.blueShift = bitsPerSample * 2;
+    } else {
+      if(client->format.bitsPerPixel==8*3) {
+	client->format.redShift = bitsPerSample*2;
+	client->format.greenShift = bitsPerSample*1;
+	client->format.blueShift = 0;
+      } else {
+	client->format.redShift = bitsPerSample*3;
+	client->format.greenShift = bitsPerSample*2;
+	client->format.blueShift = bitsPerSample;
+      }
+    }
+  }
+
+  client->bufoutptr=client->buf;
+  client->buffered=0;
+
+#ifdef LIBVNCSERVER_HAVE_LIBZ
+  client->raw_buffer_size = -1;
+  client->decompStreamInited = FALSE;
+
+#ifdef LIBVNCSERVER_HAVE_LIBJPEG
+  memset(client->zlibStreamActive,0,sizeof(rfbBool)*4);
+  client->jpegSrcManager = NULL;
+#endif
+#endif
+
+  client->HandleCursorPos = DummyPoint;
+  client->SoftCursorLockArea = DummyRect;
+  client->SoftCursorUnlockScreen = Dummy;
+  client->GotFrameBufferUpdate = DummyRect;
+  client->FinishedFrameBufferUpdate = NULL;
+  client->GetPassword = ReadPassword;
+  client->MallocFrameBuffer = MallocFrameBuffer;
+  client->Bell = Dummy;
+  client->CurrentKeyboardLedState = 0;
+  client->HandleKeyboardLedState = (HandleKeyboardLedStateProc)DummyPoint;
+
+  client->authScheme = 0;
+  client->subAuthScheme = 0;
+  client->GetCredential = NULL;
+#ifdef LIBVNCSERVER_WITH_CLIENT_TLS
+  client->tlsSession = NULL;
+#endif
+  client->sock = -1;
+  client->listenSock = -1;
+  client->clientAuthSchemes = NULL;
+  return client;
+}
+
+static rfbBool rfbInitConnection(rfbClient* client)
+{
+  /* Unless we accepted an incoming connection, make a TCP connection to the
+     given VNC server */
+
+  if (!client->listenSpecified) {
+    if (!client->serverHost)
+      return FALSE;
+    if (client->destHost) {
+      if (!ConnectToRFBRepeater(client,client->serverHost,client->serverPort,client->destHost,client->destPort))
+        return FALSE;
+    } else {
+      if (!ConnectToRFBServer(client,client->serverHost,client->serverPort))
+        return FALSE;
+    }
+  }
+
+  /* Initialise the VNC connection, including reading the password */
+
+  if (!InitialiseRFBConnection(client))
+    return FALSE;
+
+  if (!SetFormatAndEncodings(client))
+    return FALSE;
+
+  client->width=client->si.framebufferWidth;
+  client->height=client->si.framebufferHeight;
+  client->MallocFrameBuffer(client);
+
+  if (client->updateRect.x < 0) {
+    client->updateRect.x = client->updateRect.y = 0;
+    client->updateRect.w = client->width;
+    client->updateRect.h = client->height;
+  }
+
+  if (client->appData.scaleSetting>1)
+  {
+      if (!SendScaleSetting(client, client->appData.scaleSetting))
+          return FALSE;
+      if (!SendFramebufferUpdateRequest(client,
+			      client->updateRect.x / client->appData.scaleSetting,
+			      client->updateRect.y / client->appData.scaleSetting,
+			      client->updateRect.w / client->appData.scaleSetting,
+			      client->updateRect.h / client->appData.scaleSetting,
+			      FALSE))
+	      return FALSE;
+  }
+  else
+  {
+      if (!SendFramebufferUpdateRequest(client,
+			      client->updateRect.x, client->updateRect.y,
+			      client->updateRect.w, client->updateRect.h,
+			      FALSE))
+      return FALSE;
+  }
+
+  return TRUE;
+}
+
+rfbBool rfbInitClient(rfbClient* client,int* argc,char** argv) {
+  int i,j;
+
+  if(argv && argc && *argc) {
+    if(client->programName==0)
+      client->programName=argv[0];
+
+    for (i = 1; i < *argc; i++) {
+      j = i;
+      if (strcmp(argv[i], "-listen") == 0) {
+	listenForIncomingConnections(client);
+	break;
+      } else if (strcmp(argv[i], "-listennofork") == 0) {
+	listenForIncomingConnectionsNoFork(client, -1);
+	break;
+      } else if (strcmp(argv[i], "-play") == 0) {
+	client->serverPort = -1;
+	j++;
+      } else if (i+1<*argc && strcmp(argv[i], "-encodings") == 0) {
+	client->appData.encodingsString = argv[i+1];
+	j+=2;
+      } else if (i+1<*argc && strcmp(argv[i], "-compress") == 0) {
+	client->appData.compressLevel = atoi(argv[i+1]);
+	j+=2;
+      } else if (i+1<*argc && strcmp(argv[i], "-quality") == 0) {
+	client->appData.qualityLevel = atoi(argv[i+1]);
+	j+=2;
+      } else if (i+1<*argc && strcmp(argv[i], "-scale") == 0) {
+        client->appData.scaleSetting = atoi(argv[i+1]);
+        j+=2;
+      } else if (i+1<*argc && strcmp(argv[i], "-repeaterdest") == 0) {
+	char* colon=strchr(argv[i+1],':');
+
+	if(client->destHost)
+	  free(client->destHost);
+        client->destPort = 5900;
+
+	client->destHost = strdup(argv[i+1]);
+	if(colon) {
+	  client->destHost[(int)(colon-argv[i+1])] = '\0';
+	  client->destPort = atoi(colon+1);
+	}
+        j+=2;
+      } else {
+	char* colon=strchr(argv[i],':');
+
+	if(client->serverHost)
+	  free(client->serverHost);
+
+	if(colon) {
+	  client->serverHost = strdup(argv[i]);
+	  client->serverHost[(int)(colon-argv[i])] = '\0';
+	  client->serverPort = atoi(colon+1);
+	} else {
+	  client->serverHost = strdup(argv[i]);
+	}
+	if(client->serverPort >= 0 && client->serverPort < 5900)
+	  client->serverPort += 5900;
+      }
+      /* purge arguments */
+      if (j>i) {
+	*argc-=j-i;
+	memmove(argv+i,argv+j,(*argc-i)*sizeof(char*));
+	i--;
+      }
+    }
+  }
+
+  if(!rfbInitConnection(client)) {
+    rfbClientCleanup(client);
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+void rfbClientCleanup(rfbClient* client) {
+#ifdef LIBVNCSERVER_HAVE_LIBZ
+#ifdef LIBVNCSERVER_HAVE_LIBJPEG
+  int i;
+
+  for ( i = 0; i < 4; i++ ) {
+    if (client->zlibStreamActive[i] == TRUE ) {
+      if (inflateEnd (&client->zlibStream[i]) != Z_OK &&
+	  client->zlibStream[i].msg != NULL)
+	rfbClientLog("inflateEnd: %s\n", client->zlibStream[i].msg);
+    }
+  }
+
+  if ( client->decompStreamInited == TRUE ) {
+    if (inflateEnd (&client->decompStream) != Z_OK &&
+	client->decompStream.msg != NULL)
+      rfbClientLog("inflateEnd: %s\n", client->decompStream.msg );
+  }
+
+  if (client->jpegSrcManager)
+    free(client->jpegSrcManager);
+#endif
+#endif
+
+#ifdef LIBVNCSERVER_WITH_CLIENT_TLS
+  FreeTLS(client);
+#endif
+  if (client->sock >= 0)
+    close(client->sock);
+  if (client->listenSock >= 0)
+    close(client->listenSock);
+  free(client->desktopName);
+  free(client->serverHost);
+  if (client->destHost)
+    free(client->destHost);
+  if (client->clientAuthSchemes)
+    free(client->clientAuthSchemes);
+  free(client);
+}