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;
}
int ssh_guac_client_free_handler(guac_client* client) {
ssh_guac_client_data* guac_client_data = (ssh_guac_client_data*) client->data;
/* Close SSH channel */
if (guac_client_data->term_channel != NULL) {
libssh2_channel_send_eof(guac_client_data->term_channel);
libssh2_channel_close(guac_client_data->term_channel);
}
/* Free terminal */
guac_terminal_free(guac_client_data->term);
pthread_join(guac_client_data->client_thread, NULL);
/* Free channels */
libssh2_channel_free(guac_client_data->term_channel);
/* Clean up SFTP */
if (guac_client_data->sftp_session)
libssh2_sftp_shutdown(guac_client_data->sftp_session);
if (guac_client_data->sftp_ssh_session) {
libssh2_session_disconnect(guac_client_data->sftp_ssh_session, "Bye");
libssh2_session_free(guac_client_data->sftp_ssh_session);
}
/* Free session */
if (guac_client_data->session != NULL)
libssh2_session_free(guac_client_data->session);
/* Free auth key */
if (guac_client_data->key != NULL)
ssh_key_free(guac_client_data->key);
/* Free clipboard */
guac_common_clipboard_free(guac_client_data->clipboard);
/* Free cursors */
guac_ssh_cursor_free(client, guac_client_data->ibar_cursor);
guac_ssh_cursor_free(client, guac_client_data->blank_cursor);
/* Free generic data struct */
free(client->data);
return 0;
}
int guac_ssh_client_free_handler(guac_client* client) {
guac_ssh_client* ssh_client = (guac_ssh_client*) client->data;
/* Close SSH channel */
if (ssh_client->term_channel != NULL) {
libssh2_channel_send_eof(ssh_client->term_channel);
libssh2_channel_close(ssh_client->term_channel);
}
/* Free terminal (which may still be using term_channel) */
if (ssh_client->term != NULL) {
guac_terminal_free(ssh_client->term);
pthread_join(ssh_client->client_thread, NULL);
}
/* Free terminal channel now that the terminal is finished */
if (ssh_client->term_channel != NULL)
libssh2_channel_free(ssh_client->term_channel);
/* Clean up the SFTP filesystem object and session */
if (ssh_client->sftp_filesystem) {
guac_common_ssh_destroy_sftp_filesystem(ssh_client->sftp_filesystem);
guac_common_ssh_destroy_session(ssh_client->sftp_session);
}
/* Free interactive SSH session */
if (ssh_client->session != NULL)
guac_common_ssh_destroy_session(ssh_client->session);
/* Free SSH client credentials */
if (ssh_client->user != NULL)
guac_common_ssh_destroy_user(ssh_client->user);
/* Free parsed settings */
if (ssh_client->settings != NULL)
guac_ssh_settings_free(ssh_client->settings);
/* Free client structure */
free(ssh_client);
guac_common_ssh_uninit();
return 0;
}