657 lines
21 KiB
C
657 lines
21 KiB
C
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is libguac-client-rdp.
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*
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* The Initial Developer of the Original Code is
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* Michael Jumper.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Matt Hortman
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* David PHAM-VAN <d.pham-van@ulteo.com> Ulteo SAS - http://www.ulteo.com
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* Laurent Meunier <laurent@deltalima.net>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#define _XOPEN_SOURCE 500
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#include <stdlib.h>
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#include <string.h>
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#include <pthread.h>
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#include <sys/select.h>
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#include <errno.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/utils/memory.h>
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#include <freerdp/cache/bitmap.h>
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#include <freerdp/cache/brush.h>
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#include <freerdp/cache/glyph.h>
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#include <freerdp/cache/palette.h>
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#include <freerdp/cache/pointer.h>
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#include <freerdp/cache/offscreen.h>
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#include <freerdp/channels/channels.h>
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#include <freerdp/input.h>
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#include <freerdp/constants.h>
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#include <guacamole/socket.h>
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#include <guacamole/protocol.h>
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#include <guacamole/client.h>
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#include <guacamole/error.h>
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#include "audio.h"
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#include "wav_encoder.h"
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#ifdef ENABLE_OGG
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#include "ogg_encoder.h"
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#endif
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#include "client.h"
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#include "guac_handlers.h"
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#include "rdp_keymap.h"
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#include "rdp_bitmap.h"
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#include "rdp_glyph.h"
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#include "rdp_pointer.h"
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#include "rdp_gdi.h"
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#include "default_pointer.h"
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/* Client plugin arguments */
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const char* GUAC_CLIENT_ARGS[] = {
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"hostname",
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"port",
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"domain",
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"username",
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"password",
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"width",
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"height",
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"initial-program",
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"color-depth",
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"disable-audio",
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"disable-printing",
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"console",
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"console-audio",
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"server-layout",
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NULL
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};
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enum RDP_ARGS_IDX {
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IDX_HOSTNAME,
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IDX_PORT,
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IDX_DOMAIN,
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IDX_USERNAME,
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IDX_PASSWORD,
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IDX_WIDTH,
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IDX_HEIGHT,
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IDX_INITIAL_PROGRAM,
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IDX_COLOR_DEPTH,
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IDX_DISABLE_AUDIO,
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IDX_DISABLE_PRINTING,
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IDX_CONSOLE,
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IDX_CONSOLE_AUDIO,
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IDX_SERVER_LAYOUT,
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RDP_ARGS_COUNT
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};
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int __guac_receive_channel_data(freerdp* rdp_inst, int channelId, uint8* data, int size, int flags, int total_size) {
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return freerdp_channels_data(rdp_inst, channelId, data, size, flags, total_size);
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}
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boolean rdp_freerdp_pre_connect(freerdp* instance) {
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rdpContext* context = instance->context;
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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rdpChannels* channels = context->channels;
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rdpBitmap* bitmap;
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rdpGlyph* glyph;
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rdpPointer* pointer;
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rdpPrimaryUpdate* primary;
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CLRCONV* clrconv;
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int i;
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rdp_guac_client_data* guac_client_data =
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(rdp_guac_client_data*) client->data;
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/* Load clipboard plugin */
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if (freerdp_channels_load_plugin(channels, instance->settings,
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"cliprdr", NULL))
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guac_client_log_error(client, "Failed to load cliprdr plugin.");
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/* If audio enabled, choose an encoder */
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if (guac_client_data->audio_enabled) {
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/* Choose an encoding */
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for (i=0; client->info.audio_mimetypes[i] != NULL; i++) {
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const char* mimetype = client->info.audio_mimetypes[i];
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#ifdef ENABLE_OGG
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/* If Ogg is supported, done. */
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if (strcmp(mimetype, ogg_encoder->mimetype) == 0) {
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guac_client_log_info(client, "Loading Ogg Vorbis encoder.");
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guac_client_data->audio = audio_stream_alloc(client,
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ogg_encoder);
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break;
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}
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#endif
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/* If wav is supported, done. */
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if (strcmp(mimetype, wav_encoder->mimetype) == 0) {
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guac_client_log_info(client, "Loading wav encoder.");
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guac_client_data->audio = audio_stream_alloc(client,
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wav_encoder);
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break;
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}
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}
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/* If an encoding is available, load the sound plugin */
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if (guac_client_data->audio != NULL) {
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/* Load sound plugin */
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if (freerdp_channels_load_plugin(channels, instance->settings,
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"guac_rdpsnd", guac_client_data->audio))
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guac_client_log_error(client,
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"Failed to load guac_rdpsnd plugin.");
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}
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else
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guac_client_log_info(client,
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"No available audio encoding. Sound disabled.");
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} /* end if audio enabled */
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/* If printing enabled, load rdpdr */
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if (guac_client_data->printing_enabled) {
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/* Load RDPDR plugin */
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if (freerdp_channels_load_plugin(channels, instance->settings,
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"guac_rdpdr", client))
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guac_client_log_error(client,
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"Failed to load guac_rdpdr plugin.");
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} /* end if printing enabled */
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/* Init color conversion structure */
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clrconv = xnew(CLRCONV);
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clrconv->alpha = 1;
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clrconv->invert = 0;
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clrconv->rgb555 = 0;
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clrconv->palette = xnew(rdpPalette);
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((rdp_freerdp_context*) context)->clrconv = clrconv;
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/* Init FreeRDP cache */
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instance->context->cache = cache_new(instance->settings);
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/* Set up bitmap handling */
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bitmap = xnew(rdpBitmap);
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bitmap->size = sizeof(guac_rdp_bitmap);
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bitmap->New = guac_rdp_bitmap_new;
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bitmap->Free = guac_rdp_bitmap_free;
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bitmap->Paint = guac_rdp_bitmap_paint;
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bitmap->Decompress = guac_rdp_bitmap_decompress;
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bitmap->SetSurface = guac_rdp_bitmap_setsurface;
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graphics_register_bitmap(context->graphics, bitmap);
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xfree(bitmap);
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/* Set up glyph handling */
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glyph = xnew(rdpGlyph);
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glyph->size = sizeof(guac_rdp_glyph);
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glyph->New = guac_rdp_glyph_new;
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glyph->Free = guac_rdp_glyph_free;
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glyph->Draw = guac_rdp_glyph_draw;
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glyph->BeginDraw = guac_rdp_glyph_begindraw;
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glyph->EndDraw = guac_rdp_glyph_enddraw;
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graphics_register_glyph(context->graphics, glyph);
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xfree(glyph);
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/* Set up pointer handling */
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pointer = xnew(rdpPointer);
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pointer->size = sizeof(guac_rdp_pointer);
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pointer->New = guac_rdp_pointer_new;
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pointer->Free = guac_rdp_pointer_free;
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pointer->Set = guac_rdp_pointer_set;
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#ifdef HAVE_RDPPOINTER_SETNULL
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pointer->SetNull = guac_rdp_pointer_set_null;
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#endif
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#ifdef HAVE_RDPPOINTER_SETDEFAULT
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pointer->SetDefault = guac_rdp_pointer_set_default;
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#endif
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graphics_register_pointer(context->graphics, pointer);
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xfree(pointer);
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/* Set up GDI */
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instance->update->EndPaint = guac_rdp_gdi_end_paint;
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instance->update->Palette = guac_rdp_gdi_palette_update;
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instance->update->SetBounds = guac_rdp_gdi_set_bounds;
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primary = instance->update->primary;
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primary->DstBlt = guac_rdp_gdi_dstblt;
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primary->PatBlt = guac_rdp_gdi_patblt;
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primary->ScrBlt = guac_rdp_gdi_scrblt;
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primary->MemBlt = guac_rdp_gdi_memblt;
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primary->OpaqueRect = guac_rdp_gdi_opaquerect;
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pointer_cache_register_callbacks(instance->update);
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glyph_cache_register_callbacks(instance->update);
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brush_cache_register_callbacks(instance->update);
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bitmap_cache_register_callbacks(instance->update);
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offscreen_cache_register_callbacks(instance->update);
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palette_cache_register_callbacks(instance->update);
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/* Init channels (pre-connect) */
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if (freerdp_channels_pre_connect(channels, instance)) {
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guac_protocol_send_error(client->socket, "Error initializing RDP client channel manager");
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guac_socket_flush(client->socket);
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return false;
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}
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return true;
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}
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boolean rdp_freerdp_post_connect(freerdp* instance) {
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rdpContext* context = instance->context;
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guac_client* client = ((rdp_freerdp_context*) context)->client;
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rdpChannels* channels = instance->context->channels;
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/* Init channels (post-connect) */
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if (freerdp_channels_post_connect(channels, instance)) {
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guac_protocol_send_error(client->socket, "Error initializing RDP client channel manager");
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guac_socket_flush(client->socket);
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return false;
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}
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/* Client handlers */
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client->free_handler = rdp_guac_client_free_handler;
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client->handle_messages = rdp_guac_client_handle_messages;
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client->mouse_handler = rdp_guac_client_mouse_handler;
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client->key_handler = rdp_guac_client_key_handler;
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client->clipboard_handler = rdp_guac_client_clipboard_handler;
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return true;
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}
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void rdp_freerdp_context_new(freerdp* instance, rdpContext* context) {
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context->channels = freerdp_channels_new();
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}
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void rdp_freerdp_context_free(freerdp* instance, rdpContext* context) {
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/* EMPTY */
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}
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void __guac_rdp_client_load_keymap(guac_client* client,
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const guac_rdp_keymap* keymap) {
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rdp_guac_client_data* guac_client_data =
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(rdp_guac_client_data*) client->data;
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/* Get mapping */
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const guac_rdp_keysym_desc* mapping = keymap->mapping;
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/* If parent exists, load parent first */
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if (keymap->parent != NULL)
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__guac_rdp_client_load_keymap(client, keymap->parent);
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/* Log load */
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guac_client_log_info(client, "Loading keymap \"%s\"", keymap->name);
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/* Load mapping into keymap */
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while (mapping->keysym != 0) {
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/* Copy mapping */
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GUAC_RDP_KEYSYM_LOOKUP(guac_client_data->keymap, mapping->keysym) =
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*mapping;
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/* Next keysym */
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mapping++;
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}
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}
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int guac_client_init(guac_client* client, int argc, char** argv) {
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rdp_guac_client_data* guac_client_data;
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freerdp* rdp_inst;
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rdpSettings* settings;
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char* hostname;
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int port = RDP_DEFAULT_PORT;
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boolean bitmap_cache;
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/**
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* Selected server-side keymap. Client will be assumed to also use this
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* keymap. Keys will be sent to server based on client input on a
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* best-effort basis.
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*/
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const guac_rdp_keymap* chosen_keymap;
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if (argc < RDP_ARGS_COUNT) {
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guac_protocol_send_error(client->socket,
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"Wrong argument count received.");
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guac_socket_flush(client->socket);
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guac_error = GUAC_STATUS_BAD_ARGUMENT;
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guac_error_message = "Wrong argument count received";
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return 1;
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}
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/* If port specified, use it */
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if (argv[IDX_PORT][0] != '\0')
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port = atoi(argv[IDX_PORT]);
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hostname = argv[IDX_HOSTNAME];
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/* Allocate client data */
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guac_client_data = malloc(sizeof(rdp_guac_client_data));
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/* Init client */
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freerdp_channels_global_init();
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rdp_inst = freerdp_new();
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rdp_inst->PreConnect = rdp_freerdp_pre_connect;
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rdp_inst->PostConnect = rdp_freerdp_post_connect;
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rdp_inst->ReceiveChannelData = __guac_receive_channel_data;
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/* Allocate FreeRDP context */
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rdp_inst->context_size = sizeof(rdp_freerdp_context);
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rdp_inst->ContextNew = (pContextNew) rdp_freerdp_context_new;
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rdp_inst->ContextFree = (pContextFree) rdp_freerdp_context_free;
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freerdp_context_new(rdp_inst);
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/* Set settings */
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settings = rdp_inst->settings;
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/* Console */
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settings->console_session = (strcmp(argv[IDX_CONSOLE], "true") == 0);
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settings->console_audio = (strcmp(argv[IDX_CONSOLE_AUDIO], "true") == 0);
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/* --no-auth */
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settings->authentication = false;
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/* --sec rdp */
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settings->rdp_security = true;
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settings->tls_security = false;
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settings->nla_security = false;
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settings->encryption = true;
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settings->encryption_method = ENCRYPTION_METHOD_40BIT | ENCRYPTION_METHOD_128BIT | ENCRYPTION_METHOD_FIPS;
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settings->encryption_level = ENCRYPTION_LEVEL_CLIENT_COMPATIBLE;
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/* Use optimal width unless overridden */
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settings->width = client->info.optimal_width;
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if (argv[IDX_WIDTH][0] != '\0')
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settings->width = atoi(argv[IDX_WIDTH]);
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/* Use default width if given width is invalid. */
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if (settings->width <= 0) {
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settings->width = RDP_DEFAULT_WIDTH;
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guac_client_log_error(client,
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"Invalid width: \"%s\". Using default of %i.",
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argv[IDX_WIDTH], settings->width);
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}
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/* Round width up to nearest multiple of 4 */
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settings->width = (settings->width + 3) & ~0x3;
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/* Use optimal height unless overridden */
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settings->height = client->info.optimal_height;
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if (argv[IDX_HEIGHT][0] != '\0')
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settings->height = atoi(argv[IDX_HEIGHT]);
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/* Use default height if given height is invalid. */
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if (settings->height <= 0) {
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settings->height = RDP_DEFAULT_HEIGHT;
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guac_client_log_error(client,
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"Invalid height: \"%s\". Using default of %i.",
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argv[IDX_WIDTH], settings->height);
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}
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/* Set hostname */
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settings->hostname = strdup(hostname);
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settings->port = port;
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settings->window_title = strdup(hostname);
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/* Domain */
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if (argv[IDX_DOMAIN][0] != '\0')
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settings->domain = strdup(argv[IDX_DOMAIN]);
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/* Username */
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if (argv[IDX_USERNAME][0] != '\0')
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settings->username = strdup(argv[IDX_USERNAME]);
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/* Password */
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if (argv[IDX_PASSWORD][0] != '\0') {
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settings->password = strdup(argv[IDX_PASSWORD]);
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settings->autologon = 1;
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}
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/* Initial program */
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if (argv[IDX_INITIAL_PROGRAM][0] != '\0')
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settings->shell = strdup(argv[IDX_INITIAL_PROGRAM]);
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/* Session color depth */
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settings->color_depth = RDP_DEFAULT_DEPTH;
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if (argv[IDX_COLOR_DEPTH][0] != '\0')
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settings->color_depth = atoi(argv[IDX_COLOR_DEPTH]);
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/* Use default depth if given depth is invalid. */
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if (settings->color_depth == 0) {
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settings->color_depth = RDP_DEFAULT_DEPTH;
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guac_client_log_error(client,
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"Invalid color-depth: \"%s\". Using default of %i.",
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argv[IDX_WIDTH], settings->color_depth);
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}
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/* Audio enable/disable */
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guac_client_data->audio_enabled =
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(strcmp(argv[IDX_DISABLE_AUDIO], "true") != 0);
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/* Printing enable/disable */
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guac_client_data->printing_enabled =
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(strcmp(argv[IDX_DISABLE_PRINTING], "true") != 0);
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/* Order support */
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bitmap_cache = settings->bitmap_cache;
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settings->os_major_type = OSMAJORTYPE_UNSPECIFIED;
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settings->os_minor_type = OSMINORTYPE_UNSPECIFIED;
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settings->order_support[NEG_DSTBLT_INDEX] = true;
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settings->order_support[NEG_PATBLT_INDEX] = false; /* PATBLT not yet supported */
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settings->order_support[NEG_SCRBLT_INDEX] = true;
|
|
settings->order_support[NEG_OPAQUE_RECT_INDEX] = true;
|
|
settings->order_support[NEG_DRAWNINEGRID_INDEX] = false;
|
|
settings->order_support[NEG_MULTIDSTBLT_INDEX] = false;
|
|
settings->order_support[NEG_MULTIPATBLT_INDEX] = false;
|
|
settings->order_support[NEG_MULTISCRBLT_INDEX] = false;
|
|
settings->order_support[NEG_MULTIOPAQUERECT_INDEX] = false;
|
|
settings->order_support[NEG_MULTI_DRAWNINEGRID_INDEX] = false;
|
|
settings->order_support[NEG_LINETO_INDEX] = false;
|
|
settings->order_support[NEG_POLYLINE_INDEX] = false;
|
|
settings->order_support[NEG_MEMBLT_INDEX] = bitmap_cache;
|
|
settings->order_support[NEG_MEM3BLT_INDEX] = false;
|
|
settings->order_support[NEG_MEMBLT_V2_INDEX] = bitmap_cache;
|
|
settings->order_support[NEG_MEM3BLT_V2_INDEX] = false;
|
|
settings->order_support[NEG_SAVEBITMAP_INDEX] = false;
|
|
settings->order_support[NEG_GLYPH_INDEX_INDEX] = true;
|
|
settings->order_support[NEG_FAST_INDEX_INDEX] = true;
|
|
settings->order_support[NEG_FAST_GLYPH_INDEX] = true;
|
|
settings->order_support[NEG_POLYGON_SC_INDEX] = false;
|
|
settings->order_support[NEG_POLYGON_CB_INDEX] = false;
|
|
settings->order_support[NEG_ELLIPSE_SC_INDEX] = false;
|
|
settings->order_support[NEG_ELLIPSE_CB_INDEX] = false;
|
|
|
|
/* Store client data */
|
|
guac_client_data->rdp_inst = rdp_inst;
|
|
guac_client_data->bounded = false;
|
|
guac_client_data->mouse_button_mask = 0;
|
|
guac_client_data->current_surface = GUAC_DEFAULT_LAYER;
|
|
guac_client_data->clipboard = NULL;
|
|
guac_client_data->audio = NULL;
|
|
|
|
/* Recursive attribute for locks */
|
|
pthread_mutexattr_init(&(guac_client_data->attributes));
|
|
pthread_mutexattr_settype(&(guac_client_data->attributes),
|
|
PTHREAD_MUTEX_RECURSIVE);
|
|
|
|
/* Init update lock */
|
|
pthread_mutex_init(&(guac_client_data->update_lock),
|
|
&(guac_client_data->attributes));
|
|
|
|
/* Init RDP lock */
|
|
pthread_mutex_init(&(guac_client_data->rdp_lock),
|
|
&(guac_client_data->attributes));
|
|
|
|
/* Clear keysym state mapping and keymap */
|
|
memset(guac_client_data->keysym_state, 0,
|
|
sizeof(guac_rdp_keysym_state_map));
|
|
|
|
memset(guac_client_data->keymap, 0,
|
|
sizeof(guac_rdp_static_keymap));
|
|
|
|
client->data = guac_client_data;
|
|
((rdp_freerdp_context*) rdp_inst->context)->client = client;
|
|
|
|
/* Pick keymap based on argument */
|
|
if (argv[IDX_SERVER_LAYOUT][0] != '\0') {
|
|
|
|
/* US English Qwerty */
|
|
if (strcmp("en-us-qwerty", argv[IDX_SERVER_LAYOUT]) == 0)
|
|
chosen_keymap = &guac_rdp_keymap_en_us;
|
|
|
|
/* German Qwertz */
|
|
else if (strcmp("de-de-qwertz", argv[IDX_SERVER_LAYOUT]) == 0)
|
|
chosen_keymap = &guac_rdp_keymap_de_de;
|
|
|
|
/* French Azerty */
|
|
else if (strcmp("fr-fr-azerty", argv[IDX_SERVER_LAYOUT]) == 0)
|
|
chosen_keymap = &guac_rdp_keymap_fr_fr;
|
|
|
|
/* Failsafe (Unicode) keymap */
|
|
else if (strcmp("failsafe", argv[IDX_SERVER_LAYOUT]) == 0)
|
|
chosen_keymap = &guac_rdp_keymap_failsafe;
|
|
|
|
/* If keymap unknown, resort to failsafe */
|
|
else {
|
|
|
|
guac_client_log_error(client,
|
|
"Unknown layout \"%s\". Using the failsafe layout instead.",
|
|
argv[IDX_SERVER_LAYOUT]);
|
|
|
|
chosen_keymap = &guac_rdp_keymap_failsafe;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* If no keymap requested, assume US */
|
|
else
|
|
chosen_keymap = &guac_rdp_keymap_en_us;
|
|
|
|
/* Load keymap into client */
|
|
__guac_rdp_client_load_keymap(client, chosen_keymap);
|
|
|
|
/* Set server-side keymap */
|
|
settings->kbd_layout = chosen_keymap->freerdp_keyboard_layout;
|
|
|
|
/* Connect to RDP server */
|
|
if (!freerdp_connect(rdp_inst)) {
|
|
|
|
guac_protocol_send_error(client->socket,
|
|
"Error connecting to RDP server");
|
|
guac_socket_flush(client->socket);
|
|
|
|
guac_error = GUAC_STATUS_BAD_STATE;
|
|
guac_error_message = "Error connecting to RDP server";
|
|
|
|
return 1;
|
|
}
|
|
|
|
/* Send connection name */
|
|
guac_protocol_send_name(client->socket, settings->window_title);
|
|
|
|
/* Send size */
|
|
guac_protocol_send_size(client->socket, GUAC_DEFAULT_LAYER,
|
|
settings->width, settings->height);
|
|
|
|
/* Create glyph surfaces */
|
|
guac_client_data->opaque_glyph_surface = cairo_image_surface_create(
|
|
CAIRO_FORMAT_RGB24, settings->width, settings->height);
|
|
|
|
guac_client_data->trans_glyph_surface = cairo_image_surface_create(
|
|
CAIRO_FORMAT_ARGB32, settings->width, settings->height);
|
|
|
|
/* Set default pointer */
|
|
guac_rdp_set_default_pointer(client);
|
|
|
|
/* Success */
|
|
return 0;
|
|
|
|
}
|
|
|
|
void guac_rdp_clip_rect(rdp_guac_client_data* data, int* x, int* y, int* w, int* h) {
|
|
|
|
if (data->bounded) {
|
|
|
|
/* Get rect coordinates */
|
|
int clipped_left = *x;
|
|
int clipped_top = *y;
|
|
int clipped_right = clipped_left + *w - 1;
|
|
int clipped_bottom = clipped_top + *h - 1;
|
|
|
|
/* Clip left */
|
|
if (clipped_left < data->bounds_left) clipped_left = data->bounds_left;
|
|
else if (clipped_left > data->bounds_right) clipped_left = data->bounds_right;
|
|
|
|
/* Clip right */
|
|
if (clipped_right < data->bounds_left) clipped_right = data->bounds_left;
|
|
else if (clipped_right > data->bounds_right) clipped_right = data->bounds_right;
|
|
|
|
/* Clip top */
|
|
if (clipped_top < data->bounds_top) clipped_top = data->bounds_top;
|
|
else if (clipped_top > data->bounds_bottom) clipped_top = data->bounds_bottom;
|
|
|
|
/* Clip bottom */
|
|
if (clipped_bottom < data->bounds_top) clipped_bottom = data->bounds_top;
|
|
else if (clipped_bottom > data->bounds_bottom) clipped_bottom = data->bounds_bottom;
|
|
|
|
/* Store new rect dimensions */
|
|
*x = clipped_left;
|
|
*y = clipped_top;
|
|
*w = clipped_right - clipped_left + 1;
|
|
*h = clipped_bottom - clipped_top + 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|