mirror of
https://github.com/gyurix1968/guacamole-client.git
synced 2025-09-06 05:07:41 +00:00
A bit more custom-client framework.
This commit is contained in:
Michael Jumper
@@ -6,19 +6,22 @@ LDFLAGS=-lpng -lvncclient
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all: guacd
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guacd: daemon.o client.o guacio.o protocol.o
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$(CC) $(CFLAGS) $(LDFLAGS) daemon.o client.o protocol.o guacio.o -o guacd
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guacd: daemon.o client.o guacio.o protocol.o vnc_client.o
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$(CC) $(CFLAGS) $(LDFLAGS) daemon.o client.o protocol.o guacio.o vnc_client.o -o guacd
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client.o: client.c client.h guacio.h
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$(CC) $(CFLAGS) -c client.c
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vnc_client.o: vnc_client.c vnc_client.h guacio.h
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$(CC) $(CFLAGS) -c vnc_client.c
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protocol.o: protocol.c protocol.h guacio.h
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$(CC) $(CFLAGS) -c protocol.c
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guacio.o: guacio.c guacio.h
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$(CC) $(CFLAGS) -c guacio.c
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daemon.o: daemon.c client.h
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daemon.o: daemon.c client.h vnc_client.h
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$(CC) $(CFLAGS) -c daemon.c
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clean:
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@@ -1,152 +1,11 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <png.h>
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#include <rfb/rfbclient.h>
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#include "guacio.h"
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#include "protocol.h"
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#include "client.h"
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char __guac_password[] = "potato";
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char* __GUAC_VNC_TAG_IO = "GUACIO";
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char* __GUAC_VNC_TAG_PNG_BUFFER = "PNG_BUFFER";
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char* __GUAC_VNC_TAG_PNG_BUFFER_ALPHA = "PNG_BUFFER_ALPHA";
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void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp) {
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int dx, dy;
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GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
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png_byte** png_buffer = rfbClientGetClientData(client, __GUAC_VNC_TAG_PNG_BUFFER_ALPHA);
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png_byte* row;
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png_byte** png_row_current = png_buffer;
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unsigned int bytesPerRow = bpp * w;
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unsigned char* fb_row_current = client->rcSource;
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unsigned char* fb_mask = client->rcMask;
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unsigned char* fb_row;
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unsigned int v;
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/* Copy image data from VNC client to PNG */
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for (dy = 0; dy<h; dy++) {
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row = *(png_row_current++);
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fb_row = fb_row_current;
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fb_row_current += bytesPerRow;
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for (dx = 0; dx<w; dx++) {
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switch (bpp) {
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case 4:
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v = *((unsigned int*) fb_row);
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break;
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case 2:
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v = *((unsigned short*) fb_row);
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break;
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default:
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v = *((unsigned char*) fb_row);
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}
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*(row++) = (v >> client->format.redShift) * 256 / (client->format.redMax+1);
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*(row++) = (v >> client->format.greenShift) * 256 / (client->format.greenMax+1);
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*(row++) = (v >> client->format.blueShift) * 256 / (client->format.blueMax+1);
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/* Handle mask */
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if (*(fb_mask++))
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*(row++) = 255;
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else
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*(row++) = 0;
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fb_row += bpp;
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}
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}
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/* SEND CURSOR */
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guac_send_cursor(io, x, y, png_buffer, w, h);
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guac_flush(io);
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}
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void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
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int dx, dy;
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GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
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png_byte** png_buffer = rfbClientGetClientData(client, __GUAC_VNC_TAG_PNG_BUFFER);
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png_byte* row;
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png_byte** png_row_current = png_buffer;
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unsigned int bpp = client->format.bitsPerPixel/8;
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unsigned int bytesPerRow = bpp * client->width;
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unsigned char* fb_row_current = client->frameBuffer + (y * bytesPerRow) + (x * bpp);
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unsigned char* fb_row;
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unsigned int v;
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/* Copy image data from VNC client to PNG */
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for (dy = y; dy<y+h; dy++) {
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row = *(png_row_current++);
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fb_row = fb_row_current;
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fb_row_current += bytesPerRow;
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for (dx = x; dx<x+w; dx++) {
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switch (bpp) {
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case 4:
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v = *((unsigned int*) fb_row);
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break;
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case 2:
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v = *((unsigned short*) fb_row);
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break;
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default:
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v = *((unsigned char*) fb_row);
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}
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*(row++) = (v >> client->format.redShift) * 256 / (client->format.redMax+1);
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*(row++) = (v >> client->format.greenShift) * 256 / (client->format.greenMax+1);
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*(row++) = (v >> client->format.blueShift) * 256 / (client->format.blueMax+1);
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fb_row += bpp;
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}
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}
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guac_send_png(io, x, y, png_buffer, w, h);
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guac_flush(io);
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}
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void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y) {
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GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
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guac_send_copy(io, src_x, src_y, w, h, dest_x, dest_y);
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guac_flush(io);
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}
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char* guac_vnc_get_password(rfbClient* client) {
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/* Freed after use by libvncclient */
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char* password = malloc(64);
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strncpy(password, __guac_password, 63);
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fprintf(stderr, "Sending password: %s\n", password);
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return password;
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}
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png_byte** guac_alloc_png_buffer(int w, int h, int bpp) {
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@@ -175,98 +34,64 @@ void guac_free_png_buffer(png_byte** png_buffer, int h) {
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}
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void client(int client_fd) {
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guac_client* guac_get_client(int client_fd, void (*client_init)(guac_client* client)) {
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char* hostname;
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guac_client* client = malloc(sizeof(guac_client));
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client->io = guac_open(client_fd);
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client_init(client);
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return client;
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}
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void guac_free_client(guac_client* client) {
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if (client->free_handler)
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client->free_handler(client);
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guac_close(client->io);
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free(client);
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}
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void guac_start_client(guac_client* client) {
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GUACIO* io = client->io;
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int wait_result;
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rfbClient* rfb_client;
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png_byte** png_buffer;
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png_byte** png_buffer_alpha;
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GUACIO* io = guac_open(client_fd);
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/*** INIT ***/
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rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */
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/* Framebuffer update handler */
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rfb_client->GotFrameBufferUpdate = guac_vnc_update;
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/*rfb_client->GotCopyRect = guac_vnc_copyrect;*/
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/* Enable client-side cursor */
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rfb_client->GotCursorShape = guac_vnc_cursor;
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rfb_client->appData.useRemoteCursor = TRUE;
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/* Password */
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rfb_client->GetPassword = guac_vnc_get_password;
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hostname = malloc(64);
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strcpy(hostname, "localhost");
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rfb_client->serverHost = hostname;
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rfb_client->serverPort = 5902;
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if (rfbInitClient(rfb_client, NULL, NULL)) {
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fprintf(stderr, "SUCCESS.\n");
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}
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png_buffer = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 3); /* No-alpha */
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png_buffer_alpha = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 4); /* With alpha */
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/* Store Guac data in client */
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rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_IO, io);
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rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_PNG_BUFFER, png_buffer);
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rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_PNG_BUFFER_ALPHA, png_buffer_alpha);
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/* Send name */
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guac_send_name(io, rfb_client->desktopName);
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/* Send size */
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guac_send_size(io, rfb_client->width, rfb_client->height);
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guac_flush(io);
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/* VNC Client Loop */
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for (;;) {
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/* TODO: Separate into THREADS ... no need to do this weird polling thing */
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wait_result = WaitForMessage(rfb_client, 2000);
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if (wait_result < 0) {
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fprintf(stderr, "WAIT FAIL\n");
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break;
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}
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if (wait_result > 0) {
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if (!HandleRFBServerMessage(rfb_client)) {
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fprintf(stderr, "HANDLE FAIL\n");
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break;
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}
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}
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/* Handle server messages */
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if (client->handle_messages)
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client->handle_messages(client);
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wait_result = guac_instructions_waiting(io);
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if (wait_result > 0) {
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guac_instruction* instruction;
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while ((instruction = guac_read_instruction(io))) {
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if (strcmp(instruction->opcode, "mouse") == 0) {
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SendPointerEvent(
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rfb_client,
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if (client->mouse_handler)
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client->mouse_handler(
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client,
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atoi(instruction->argv[0]), /* x */
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atoi(instruction->argv[1]), /* y */
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atoi(instruction->argv[2]) /* mask */
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);
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);
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}
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else if (strcmp(instruction->opcode, "key") == 0) {
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SendKeyEvent(
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rfb_client,
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if (client->key_handler)
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client->key_handler(
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client,
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atoi(instruction->argv[0]), /* keysym */
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atoi(instruction->argv[1]) /* pressed */
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);
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);
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}
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guac_free_instruction(instruction);
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@@ -275,15 +100,5 @@ void client(int client_fd) {
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}
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/* Free PNG data */
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guac_free_png_buffer(png_buffer, rfb_client->height);
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guac_free_png_buffer(png_buffer_alpha, rfb_client->height);
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/* Clean up VNC client*/
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rfbClientCleanup(rfb_client);
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guac_write_string(io, "error:Test finished.;");
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guac_close(io);
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}
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@@ -1,6 +1,26 @@
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#ifndef _PROXY_H_
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#define _PROXY_H
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#ifndef _CLIENT_H
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#define _CLIENT_H
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void client(int client_fd);
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#include <png.h>
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#include "guacio.h"
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typedef struct guac_client {
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GUACIO* io;
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void* data;
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void (*handle_messages)(struct guac_client* client);
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void (*mouse_handler)(struct guac_client* client, int x, int y, int button_mask);
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void (*key_handler)(struct guac_client* client, int keysym, int pressed);
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void (*free_handler)(void* client);
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} guac_client;
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guac_client* guac_get_client(int client_fd, void (*client_init)(guac_client* client));
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void guac_start_client(guac_client* client);
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void guac_free_client(guac_client* client);
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png_byte** guac_alloc_png_buffer(int w, int h, int bpp);
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void guac_free_png_buffer(png_byte** png_buffer, int h);
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#endif
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@@ -7,6 +7,7 @@
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#include <netinet/in.h>
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#include "client.h"
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#include "vnc_client.h"
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int main(int argc, char* argv[]) {
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@@ -67,7 +68,10 @@ int main(int argc, char* argv[]) {
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/* In child ... */
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else if (client_pid == 0) {
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client(connected_socket_fd);
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guac_client* client = guac_get_client(connected_socket_fd, vnc_guac_client_init);
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guac_start_client(client);
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guac_free_client(client);
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/* Close socket */
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if (close(connected_socket_fd) < 0) {
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280
guacamole/proxy/vnc_client.c
Normal file
280
guacamole/proxy/vnc_client.c
Normal file
@@ -0,0 +1,280 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <png.h>
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#include <rfb/rfbclient.h>
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#include "guacio.h"
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#include "protocol.h"
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#include "client.h"
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char __guac_password[] = "potato";
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char* __GUAC_VNC_TAG_IO = "GUACIO";
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char* __GUAC_VNC_TAG_PNG_BUFFER = "PNG_BUFFER";
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char* __GUAC_VNC_TAG_PNG_BUFFER_ALPHA = "PNG_BUFFER_ALPHA";
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typedef struct vnc_guac_client_data {
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rfbClient* rfb_client;
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png_byte** png_buffer;
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png_byte** png_buffer_alpha;
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} vnc_guac_client_data;
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void guac_vnc_cursor(rfbClient* client, int x, int y, int w, int h, int bpp) {
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int dx, dy;
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GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
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png_byte** png_buffer = rfbClientGetClientData(client, __GUAC_VNC_TAG_PNG_BUFFER_ALPHA);
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png_byte* row;
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png_byte** png_row_current = png_buffer;
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||||
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unsigned int bytesPerRow = bpp * w;
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unsigned char* fb_row_current = client->rcSource;
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unsigned char* fb_mask = client->rcMask;
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||||
unsigned char* fb_row;
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unsigned int v;
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||||
|
||||
/* Copy image data from VNC client to PNG */
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for (dy = 0; dy<h; dy++) {
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||||
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row = *(png_row_current++);
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fb_row = fb_row_current;
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fb_row_current += bytesPerRow;
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for (dx = 0; dx<w; dx++) {
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||||
|
||||
switch (bpp) {
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||||
case 4:
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||||
v = *((unsigned int*) fb_row);
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||||
break;
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||||
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||||
case 2:
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||||
v = *((unsigned short*) fb_row);
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||||
break;
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||||
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||||
default:
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||||
v = *((unsigned char*) fb_row);
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||||
}
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||||
|
||||
*(row++) = (v >> client->format.redShift) * 256 / (client->format.redMax+1);
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||||
*(row++) = (v >> client->format.greenShift) * 256 / (client->format.greenMax+1);
|
||||
*(row++) = (v >> client->format.blueShift) * 256 / (client->format.blueMax+1);
|
||||
|
||||
/* Handle mask */
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||||
if (*(fb_mask++))
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*(row++) = 255;
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||||
else
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||||
*(row++) = 0;
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||||
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||||
fb_row += bpp;
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||||
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||||
}
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||||
}
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||||
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||||
/* SEND CURSOR */
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||||
guac_send_cursor(io, x, y, png_buffer, w, h);
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||||
guac_flush(io);
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||||
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||||
}
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void guac_vnc_update(rfbClient* client, int x, int y, int w, int h) {
|
||||
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||||
int dx, dy;
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||||
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||||
GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
|
||||
png_byte** png_buffer = rfbClientGetClientData(client, __GUAC_VNC_TAG_PNG_BUFFER);
|
||||
png_byte* row;
|
||||
|
||||
png_byte** png_row_current = png_buffer;
|
||||
|
||||
unsigned int bpp = client->format.bitsPerPixel/8;
|
||||
unsigned int bytesPerRow = bpp * client->width;
|
||||
unsigned char* fb_row_current = client->frameBuffer + (y * bytesPerRow) + (x * bpp);
|
||||
unsigned char* fb_row;
|
||||
unsigned int v;
|
||||
|
||||
/* Copy image data from VNC client to PNG */
|
||||
for (dy = y; dy<y+h; dy++) {
|
||||
|
||||
row = *(png_row_current++);
|
||||
|
||||
fb_row = fb_row_current;
|
||||
fb_row_current += bytesPerRow;
|
||||
|
||||
for (dx = x; dx<x+w; dx++) {
|
||||
|
||||
switch (bpp) {
|
||||
case 4:
|
||||
v = *((unsigned int*) fb_row);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
v = *((unsigned short*) fb_row);
|
||||
break;
|
||||
|
||||
default:
|
||||
v = *((unsigned char*) fb_row);
|
||||
}
|
||||
|
||||
*(row++) = (v >> client->format.redShift) * 256 / (client->format.redMax+1);
|
||||
*(row++) = (v >> client->format.greenShift) * 256 / (client->format.greenMax+1);
|
||||
*(row++) = (v >> client->format.blueShift) * 256 / (client->format.blueMax+1);
|
||||
|
||||
fb_row += bpp;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
guac_send_png(io, x, y, png_buffer, w, h);
|
||||
guac_flush(io);
|
||||
|
||||
}
|
||||
|
||||
void guac_vnc_copyrect(rfbClient* client, int src_x, int src_y, int w, int h, int dest_x, int dest_y) {
|
||||
|
||||
GUACIO* io = rfbClientGetClientData(client, __GUAC_VNC_TAG_IO);
|
||||
|
||||
guac_send_copy(io, src_x, src_y, w, h, dest_x, dest_y);
|
||||
guac_flush(io);
|
||||
|
||||
}
|
||||
|
||||
char* guac_vnc_get_password(rfbClient* client) {
|
||||
|
||||
/* Freed after use by libvncclient */
|
||||
char* password = malloc(64);
|
||||
strncpy(password, __guac_password, 63);
|
||||
|
||||
fprintf(stderr, "Sending password: %s\n", password);
|
||||
|
||||
return password;
|
||||
}
|
||||
|
||||
|
||||
void vnc_guac_client_handle_messages(guac_client* client) {
|
||||
|
||||
int wait_result;
|
||||
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
|
||||
|
||||
wait_result = WaitForMessage(rfb_client, 2000);
|
||||
if (wait_result < 0) {
|
||||
fprintf(stderr, "WAIT FAIL\n");
|
||||
return;
|
||||
}
|
||||
|
||||
if (wait_result > 0) {
|
||||
|
||||
if (!HandleRFBServerMessage(rfb_client)) {
|
||||
fprintf(stderr, "HANDLE FAIL\n");
|
||||
return;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
void vnc_guac_client_mouse_handler(guac_client* client, int x, int y, int mask) {
|
||||
|
||||
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
|
||||
|
||||
SendPointerEvent(rfb_client, x, y, mask);
|
||||
|
||||
}
|
||||
|
||||
void vnc_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
|
||||
|
||||
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
|
||||
|
||||
SendKeyEvent(rfb_client, keysym, pressed);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
void vnc_guac_client_free_handler(guac_client* client) {
|
||||
|
||||
rfbClient* rfb_client = ((vnc_guac_client_data*) client->data)->rfb_client;
|
||||
png_byte** png_buffer = ((vnc_guac_client_data*) client->data)->png_buffer;
|
||||
png_byte** png_buffer_alpha = ((vnc_guac_client_data*) client->data)->png_buffer_alpha;
|
||||
|
||||
/* Free PNG data */
|
||||
guac_free_png_buffer(png_buffer, rfb_client->height);
|
||||
guac_free_png_buffer(png_buffer_alpha, rfb_client->height);
|
||||
|
||||
/* Clean up VNC client*/
|
||||
rfbClientCleanup(rfb_client);
|
||||
|
||||
}
|
||||
|
||||
|
||||
void vnc_guac_client_init(guac_client* client) {
|
||||
|
||||
char* hostname;
|
||||
rfbClient* rfb_client;
|
||||
|
||||
png_byte** png_buffer;
|
||||
png_byte** png_buffer_alpha;
|
||||
|
||||
vnc_guac_client_data* vnc_guac_client_data;
|
||||
|
||||
/*** INIT ***/
|
||||
rfb_client = rfbGetClient(8, 3, 4); /* 32-bpp client */
|
||||
|
||||
/* Framebuffer update handler */
|
||||
rfb_client->GotFrameBufferUpdate = guac_vnc_update;
|
||||
/*rfb_client->GotCopyRect = guac_vnc_copyrect;*/
|
||||
|
||||
/* Enable client-side cursor */
|
||||
rfb_client->GotCursorShape = guac_vnc_cursor;
|
||||
rfb_client->appData.useRemoteCursor = TRUE;
|
||||
|
||||
/* Password */
|
||||
rfb_client->GetPassword = guac_vnc_get_password;
|
||||
|
||||
/* Connect */
|
||||
hostname = malloc(64);
|
||||
strcpy(hostname, "localhost");
|
||||
|
||||
rfb_client->serverHost = hostname;
|
||||
rfb_client->serverPort = 5902;
|
||||
|
||||
rfbInitClient(rfb_client, NULL, NULL);
|
||||
|
||||
/* Allocate buffers */
|
||||
png_buffer = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 3); /* No-alpha */
|
||||
png_buffer_alpha = guac_alloc_png_buffer(rfb_client->width, rfb_client->height, 4); /* With alpha */
|
||||
|
||||
/* Store Guac data in client */
|
||||
rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_IO, client->io);
|
||||
rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_PNG_BUFFER, png_buffer);
|
||||
rfbClientSetClientData(rfb_client, __GUAC_VNC_TAG_PNG_BUFFER_ALPHA, png_buffer_alpha);
|
||||
|
||||
/* Send name */
|
||||
guac_send_name(client->io, rfb_client->desktopName);
|
||||
|
||||
/* Send size */
|
||||
guac_send_size(client->io, rfb_client->width, rfb_client->height);
|
||||
guac_flush(client->io);
|
||||
|
||||
/* Set client data */
|
||||
vnc_guac_client_data = malloc(sizeof(vnc_guac_client_data));
|
||||
vnc_guac_client_data->rfb_client = rfb_client;
|
||||
vnc_guac_client_data->png_buffer = png_buffer;
|
||||
vnc_guac_client_data->png_buffer_alpha = png_buffer_alpha;
|
||||
client->data = vnc_guac_client_data;
|
||||
|
||||
/* Set handlers */
|
||||
client->handle_messages = vnc_guac_client_handle_messages;
|
||||
client->mouse_handler = vnc_guac_client_mouse_handler;
|
||||
client->key_handler = vnc_guac_client_key_handler;
|
||||
|
||||
fprintf(stderr, "VNC Client loaded.\n");
|
||||
|
||||
}
|
||||
|
||||
10
guacamole/proxy/vnc_client.h
Normal file
10
guacamole/proxy/vnc_client.h
Normal file
@@ -0,0 +1,10 @@
|
||||
|
||||
#ifndef _VNC_CLIENT_H
|
||||
#define _VNC_CLIENT_H
|
||||
|
||||
#include "client.h"
|
||||
|
||||
void vnc_guac_client_init(guac_client* client);
|
||||
|
||||
#endif
|
||||
|
||||
Reference in New Issue
Block a user