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2021-01-01 10:05:20 -05:00
/*
* 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 "channels/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 "spice.h"
#include <guacamole/argv.h>
#include <guacamole/audio.h>
#include <guacamole/client.h>
#include <guacamole/socket.h>
#include <guacamole/user.h>
#include <pthread.h>
int guac_spice_user_join_handler(guac_user* user, int argc, char** argv) {
guac_spice_client* spice_client = (guac_spice_client*) user->client->data;
/* Parse provided arguments */
guac_spice_settings* settings = guac_spice_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 SPICE if owner */
if (user->owner) {
/* Store owner's settings at client level */
spice_client->settings = settings;
/* Start client thread */
if (pthread_create(&spice_client->client_thread, NULL, guac_spice_client_thread, user->client)) {
guac_user_log(user, GUAC_LOG_ERROR, "Unable to start SPICE client thread.");
return 1;
}
}
/* If not owner, synchronize with current state */
else {
/* Synchronize with current display */
guac_common_display_dup(spice_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_spice_user_mouse_handler;
user->key_handler = guac_spice_user_key_handler;
/* Inbound (client to server) clipboard transfer */
if (!settings->disable_paste)
user->clipboard_handler = guac_spice_clipboard_handler;
/* Updates to connection parameters if we own the connection */
if (user->owner)
user->argv_handler = guac_argv_handler;
#ifdef ENABLE_COMMON_SSH
/* Set generic (non-filesystem) file upload handler */
if (settings->enable_sftp && !settings->sftp_disable_upload)
user->file_handler = guac_spice_sftp_file_handler;
#endif
}
return 0;
}
int guac_spice_user_leave_handler(guac_user* user) {
guac_spice_client* spice_client = (guac_spice_client*) user->client->data;
if (spice_client->display) {
/* Update shared cursor state */
guac_common_cursor_remove_user(spice_client->display->cursor, user);
}
/* Free settings if not owner (owner settings will be freed with client) */
if (!user->owner) {
guac_spice_settings* settings = (guac_spice_settings*) user->data;
guac_spice_settings_free(settings);
}
return 0;
}