/* ***** 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-ssh. * * 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): * James Muehlner * * 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 #include #include #include #include #include #include #include #include "client.h" #include "guac_handlers.h" #include "terminal.h" #include "blank.h" #include "ibar.h" #include "ssh_client.h" #define GUAC_SSH_DEFAULT_FONT_NAME "monospace" #define GUAC_SSH_DEFAULT_FONT_SIZE 12 #define GUAC_SSH_DEFAULT_PORT "22" /* Client plugin arguments */ const char* GUAC_CLIENT_ARGS[] = { "hostname", "port", "username", "password", "font-name", "font-size", "enable-sftp", "private-key", "passphrase", #ifdef ENABLE_SSH_AGENT "enable-agent", #endif NULL }; enum __SSH_ARGS_IDX { /** * The hostname to connect to. Required. */ IDX_HOSTNAME, /** * The port to connect to. Optional. */ IDX_PORT, /** * The name of the user to login as. Optional. */ IDX_USERNAME, /** * The password to use when logging in. Optional. */ IDX_PASSWORD, /** * The name of the font to use within the terminal. */ IDX_FONT_NAME, /** * The size of the font to use within the terminal, in points. */ IDX_FONT_SIZE, /** * Whether SFTP should be enabled. */ IDX_ENABLE_SFTP, /** * The private key to use for authentication, if any. */ IDX_PRIVATE_KEY, /** * The passphrase required to decrypt the private key, if any. */ IDX_PASSPHRASE, #ifdef ENABLE_SSH_AGENT /** * Whether SSH agent forwarding support should be enabled. */ IDX_ENABLE_AGENT, #endif SSH_ARGS_COUNT }; int guac_client_init(guac_client* client, int argc, char** argv) { guac_socket* socket = client->socket; ssh_guac_client_data* client_data = malloc(sizeof(ssh_guac_client_data)); /* Init client data */ client->data = client_data; client_data->mod_alt = client_data->mod_ctrl = client_data->mod_shift = 0; client_data->clipboard_data = NULL; client_data->term_channel = NULL; if (argc != SSH_ARGS_COUNT) { guac_client_log_error(client, "Wrong number of arguments"); return -1; } /* Read parameters */ strcpy(client_data->hostname, argv[IDX_HOSTNAME]); strcpy(client_data->username, argv[IDX_USERNAME]); strcpy(client_data->password, argv[IDX_PASSWORD]); /* Init public key auth information */ client_data->key = NULL; strcpy(client_data->key_base64, argv[IDX_PRIVATE_KEY]); strcpy(client_data->key_passphrase, argv[IDX_PASSPHRASE]); /* Read font name */ if (argv[IDX_FONT_NAME][0] != 0) strcpy(client_data->font_name, argv[IDX_FONT_NAME]); else strcpy(client_data->font_name, GUAC_SSH_DEFAULT_FONT_NAME ); /* Read font size */ if (argv[IDX_FONT_SIZE][0] != 0) client_data->font_size = atoi(argv[IDX_FONT_SIZE]); else client_data->font_size = GUAC_SSH_DEFAULT_FONT_SIZE; /* Parse SFTP enable */ client_data->enable_sftp = strcmp(argv[IDX_ENABLE_SFTP], "true") == 0; client_data->sftp_session = NULL; client_data->sftp_ssh_session = NULL; strcpy(client_data->sftp_upload_path, "."); #ifdef ENABLE_SSH_AGENT client_data->enable_agent = strcmp(argv[IDX_ENABLE_AGENT], "true") == 0; #endif /* Read port */ if (argv[IDX_PORT][0] != 0) strcpy(client_data->port, argv[IDX_PORT]); else strcpy(client_data->port, GUAC_SSH_DEFAULT_PORT); /* Create terminal */ client_data->term = guac_terminal_create(client, client_data->font_name, client_data->font_size, client->info.optimal_resolution, client->info.optimal_width, client->info.optimal_height); /* Fail if terminal init failed */ if (client_data->term == NULL) { guac_error = GUAC_STATUS_BAD_STATE; guac_error_message = "Terminal initialization failed"; return -1; } /* Set up I-bar pointer */ client_data->ibar_cursor = guac_ssh_create_ibar(client); /* Set up blank pointer */ client_data->blank_cursor = guac_ssh_create_blank(client); /* Send initial name */ guac_protocol_send_name(socket, client_data->hostname); /* Initialize pointer */ client_data->current_cursor = client_data->blank_cursor; guac_ssh_set_cursor(client, client_data->current_cursor); guac_socket_flush(socket); /* Set basic handlers */ client->handle_messages = ssh_guac_client_handle_messages; client->clipboard_handler = ssh_guac_client_clipboard_handler; client->key_handler = ssh_guac_client_key_handler; client->mouse_handler = ssh_guac_client_mouse_handler; client->size_handler = ssh_guac_client_size_handler; client->free_handler = ssh_guac_client_free_handler; /* Start client thread */ if (pthread_create(&(client_data->client_thread), NULL, ssh_client_thread, (void*) client)) { guac_client_log_error(client, "Unable to SSH client thread"); return -1; } /* Success */ return 0; }