/* * 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 "client.h" #include "common/recording.h" #include "settings.h" #include "telnet.h" #include "terminal/terminal.h" #include "user.h" #include #include #include #include #include #include int guac_client_init(guac_client* client) { /* Set client args */ client->args = GUAC_TELNET_CLIENT_ARGS; /* Allocate client instance data */ guac_telnet_client* telnet_client = calloc(1, sizeof(guac_telnet_client)); client->data = telnet_client; /* Init telnet client */ telnet_client->socket_fd = -1; telnet_client->naws_enabled = 0; telnet_client->echo_enabled = 1; /* Set handlers */ client->join_handler = guac_telnet_user_join_handler; client->free_handler = guac_telnet_client_free_handler; /* Set locale and warn if not UTF-8 */ setlocale(LC_CTYPE, ""); if (strcmp(nl_langinfo(CODESET), "UTF-8") != 0) { guac_client_log(client, GUAC_LOG_INFO, "Current locale does not use UTF-8. Some characters may " "not render correctly."); } /* Success */ return 0; } int guac_telnet_client_free_handler(guac_client* client) { guac_telnet_client* telnet_client = (guac_telnet_client*) client->data; /* Close telnet connection */ if (telnet_client->socket_fd != -1) close(telnet_client->socket_fd); /* Clean up recording, if in progress */ if (telnet_client->recording != NULL) guac_common_recording_free(telnet_client->recording); /* Kill terminal */ guac_terminal_free(telnet_client->term); /* Wait for and free telnet session, if connected */ if (telnet_client->telnet != NULL) { pthread_join(telnet_client->client_thread, NULL); telnet_free(telnet_client->telnet); } /* Free settings */ if (telnet_client->settings != NULL) guac_telnet_settings_free(telnet_client->settings); free(telnet_client); return 0; }