| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include "config.h" |
| |
| #include "clipboard.h" |
| #include "input.h" |
| #include "common/display.h" |
| #include "common/dot_cursor.h" |
| #include "common/pointer_cursor.h" |
| #include "user.h" |
| #include "sftp.h" |
| #include "vnc.h" |
| |
| #ifdef ENABLE_PULSE |
| #include "pulse/pulse.h" |
| #endif |
| |
| #include <guacamole/audio.h> |
| #include <guacamole/client.h> |
| #include <guacamole/socket.h> |
| #include <guacamole/user.h> |
| #include <rfb/rfbclient.h> |
| #include <rfb/rfbproto.h> |
| |
| #include <pthread.h> |
| |
| int guac_vnc_user_join_handler(guac_user* user, int argc, char** argv) { |
| |
| guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data; |
| |
| /* Parse provided arguments */ |
| guac_vnc_settings* settings = guac_vnc_parse_args(user, |
| argc, (const char**) argv); |
| |
| /* Fail if settings cannot be parsed */ |
| if (settings == NULL) { |
| guac_user_log(user, GUAC_LOG_INFO, |
| "Badly formatted client arguments."); |
| return 1; |
| } |
| |
| /* Store settings at user level */ |
| user->data = settings; |
| |
| /* Connect via VNC if owner */ |
| if (user->owner) { |
| |
| /* Store owner's settings at client level */ |
| vnc_client->settings = settings; |
| |
| /* Start client thread */ |
| if (pthread_create(&vnc_client->client_thread, NULL, guac_vnc_client_thread, user->client)) { |
| guac_user_log(user, GUAC_LOG_ERROR, "Unable to start VNC client thread."); |
| return 1; |
| } |
| |
| } |
| |
| /* If not owner, synchronize with current state */ |
| else { |
| |
| #ifdef ENABLE_PULSE |
| /* Synchronize an audio stream */ |
| if (vnc_client->audio) |
| guac_pa_stream_add_user(vnc_client->audio, user); |
| #endif |
| |
| /* Synchronize with current display */ |
| guac_common_display_dup(vnc_client->display, user, user->socket); |
| guac_socket_flush(user->socket); |
| |
| } |
| |
| /* Only handle events if not read-only */ |
| if (!settings->read_only) { |
| |
| /* General mouse/keyboard events */ |
| user->mouse_handler = guac_vnc_user_mouse_handler; |
| user->key_handler = guac_vnc_user_key_handler; |
| |
| /* Inbound (client to server) clipboard transfer */ |
| if (!settings->disable_paste) |
| user->clipboard_handler = guac_vnc_clipboard_handler; |
| |
| #ifdef ENABLE_COMMON_SSH |
| /* Set generic (non-filesystem) file upload handler */ |
| if (settings->enable_sftp) |
| user->file_handler = guac_vnc_sftp_file_handler; |
| #endif |
| |
| } |
| |
| return 0; |
| |
| } |
| |
| int guac_vnc_user_leave_handler(guac_user* user) { |
| |
| guac_vnc_client* vnc_client = (guac_vnc_client*) user->client->data; |
| |
| if (vnc_client->display) { |
| /* Update shared cursor state */ |
| guac_common_cursor_remove_user(vnc_client->display->cursor, user); |
| } |
| |
| /* Free settings if not owner (owner settings will be freed with client) */ |
| if (!user->owner) { |
| guac_vnc_settings* settings = (guac_vnc_settings*) user->data; |
| guac_vnc_settings_free(settings); |
| } |
| |
| return 0; |
| } |
| |