| |
| /* ***** BEGIN LICENSE BLOCK ***** |
| * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Mozilla Public License Version |
| * 1.1 (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * http://www.mozilla.org/MPL/ |
| * |
| * Software distributed under the License is distributed on an "AS IS" basis, |
| * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| * for the specific language governing rights and limitations under the |
| * License. |
| * |
| * The Original Code is libguac-client-rdp. |
| * |
| * The Initial Developer of the Original Code is |
| * Michael Jumper. |
| * Portions created by the Initial Developer are Copyright (C) 2011 |
| * the Initial Developer. All Rights Reserved. |
| * |
| * Contributor(s): |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either the GNU General Public License Version 2 or later (the "GPL"), or |
| * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| * in which case the provisions of the GPL or the LGPL are applicable instead |
| * of those above. If you wish to allow use of your version of this file only |
| * under the terms of either the GPL or the LGPL, and not to allow others to |
| * use your version of this file under the terms of the MPL, indicate your |
| * decision by deleting the provisions above and replace them with the notice |
| * and other provisions required by the GPL or the LGPL. If you do not delete |
| * the provisions above, a recipient may use your version of this file under |
| * the terms of any one of the MPL, the GPL or the LGPL. |
| * |
| * ***** END LICENSE BLOCK ***** */ |
| |
| |
| #include <freerdp/freerdp.h> |
| #include <freerdp/channels/channels.h> |
| #include <freerdp/utils/event.h> |
| #include <freerdp/plugins/cliprdr.h> |
| |
| #include <guacamole/client.h> |
| #include <guacamole/protocol.h> |
| |
| #include "client.h" |
| #include "rdp_cliprdr.h" |
| |
| void guac_rdp_process_cliprdr_event(guac_client* client, RDP_EVENT* event) { |
| |
| switch (event->event_type) { |
| |
| case RDP_EVENT_TYPE_CB_MONITOR_READY: |
| guac_rdp_process_cb_monitor_ready(client, event); |
| break; |
| |
| case RDP_EVENT_TYPE_CB_FORMAT_LIST: |
| guac_rdp_process_cb_format_list(client, |
| (RDP_CB_FORMAT_LIST_EVENT*) event); |
| break; |
| |
| case RDP_EVENT_TYPE_CB_DATA_REQUEST: |
| guac_rdp_process_cb_data_request(client, |
| (RDP_CB_DATA_REQUEST_EVENT*) event); |
| break; |
| |
| case RDP_EVENT_TYPE_CB_DATA_RESPONSE: |
| guac_rdp_process_cb_data_response(client, |
| (RDP_CB_DATA_RESPONSE_EVENT*) event); |
| break; |
| |
| default: |
| guac_client_log_info(client, |
| "Unknown cliprdr event type: 0x%x", |
| event->event_type); |
| } |
| |
| } |
| |
| void guac_rdp_process_cb_monitor_ready(guac_client* client, RDP_EVENT* event) { |
| |
| rdpChannels* channels = |
| ((rdp_guac_client_data*) client->data)->rdp_inst->context->channels; |
| |
| RDP_CB_FORMAT_LIST_EVENT* format_list = |
| (RDP_CB_FORMAT_LIST_EVENT*) freerdp_event_new( |
| RDP_EVENT_CLASS_CLIPRDR, |
| RDP_EVENT_TYPE_CB_FORMAT_LIST, |
| NULL, NULL); |
| |
| /* Received notification of clipboard support. */ |
| |
| /* Respond with supported format list */ |
| format_list->formats = (uint32*) malloc(sizeof(uint32)); |
| format_list->formats[0] = CB_FORMAT_TEXT; |
| format_list->num_formats = 1; |
| |
| freerdp_channels_send_event(channels, (RDP_EVENT*) format_list); |
| |
| } |
| |
| void guac_rdp_process_cb_format_list(guac_client* client, |
| RDP_CB_FORMAT_LIST_EVENT* event) { |
| |
| rdpChannels* channels = |
| ((rdp_guac_client_data*) client->data)->rdp_inst->context->channels; |
| |
| /* Received notification of available data */ |
| |
| int i; |
| for (i=0; i<event->num_formats; i++) { |
| |
| /* If plain text available, request it */ |
| if (event->formats[i] == CB_FORMAT_TEXT) { |
| |
| /* Create new data request */ |
| RDP_CB_DATA_REQUEST_EVENT* data_request = |
| (RDP_CB_DATA_REQUEST_EVENT*) freerdp_event_new( |
| RDP_EVENT_CLASS_CLIPRDR, |
| RDP_EVENT_TYPE_CB_DATA_REQUEST, |
| NULL, NULL); |
| |
| /* We want plain text */ |
| data_request->format = CB_FORMAT_TEXT; |
| |
| /* Send request */ |
| freerdp_channels_send_event(channels, (RDP_EVENT*) data_request); |
| return; |
| |
| } |
| |
| } |
| |
| /* Otherwise, no supported data available */ |
| guac_client_log_info(client, "Ignoring unsupported clipboard data"); |
| |
| } |
| |
| void guac_rdp_process_cb_data_request(guac_client* client, |
| RDP_CB_DATA_REQUEST_EVENT* event) { |
| |
| rdpChannels* channels = |
| ((rdp_guac_client_data*) client->data)->rdp_inst->context->channels; |
| |
| /* If text requested, send clipboard text contents */ |
| if (event->format == CB_FORMAT_TEXT) { |
| |
| /* Get clipboard data */ |
| const char* clipboard = |
| ((rdp_guac_client_data*) client->data)->clipboard; |
| |
| /* Create new data response */ |
| RDP_CB_DATA_RESPONSE_EVENT* data_response = |
| (RDP_CB_DATA_RESPONSE_EVENT*) freerdp_event_new( |
| RDP_EVENT_CLASS_CLIPRDR, |
| RDP_EVENT_TYPE_CB_DATA_RESPONSE, |
| NULL, NULL); |
| |
| /* Set data and length */ |
| if (clipboard != NULL) { |
| data_response->data = (uint8*) strdup(clipboard); |
| data_response->size = strlen(clipboard) + 1; |
| } |
| else { |
| data_response->data = (uint8*) strdup(""); |
| data_response->size = 1; |
| } |
| |
| /* Send response */ |
| freerdp_channels_send_event(channels, (RDP_EVENT*) data_response); |
| |
| } |
| |
| /* Otherwise ... failure */ |
| else |
| guac_client_log_error(client, |
| "Server requested unsupported clipboard data type"); |
| |
| } |
| |
| void guac_rdp_process_cb_data_response(guac_client* client, |
| RDP_CB_DATA_RESPONSE_EVENT* event) { |
| |
| /* Received clipboard data */ |
| if (event->data[event->size - 1] == '\0') { |
| |
| /* Free existing data */ |
| free(((rdp_guac_client_data*) client->data)->clipboard); |
| |
| /* Store clipboard data */ |
| ((rdp_guac_client_data*) client->data)->clipboard = |
| strdup((char*) event->data); |
| |
| /* Send clipboard data */ |
| guac_protocol_send_clipboard(client->socket, (char*) event->data); |
| |
| } |
| else |
| guac_client_log_error(client, |
| "Clipboard data missing null terminator"); |
| |
| } |
| |
