470 lines
11 KiB
C
470 lines
11 KiB
C
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef __GUAC_RDP_SETTINGS_H
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#define __GUAC_RDP_SETTINGS_H
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#include "config.h"
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#include "rdp_keymap.h"
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#include <freerdp/freerdp.h>
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/**
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* The maximum number of bytes in the client hostname claimed during
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* connection.
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*/
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#define RDP_CLIENT_HOSTNAME_SIZE 32
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/**
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* The default RDP port.
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*/
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#define RDP_DEFAULT_PORT 3389
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/**
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* Default screen width, in pixels.
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*/
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#define RDP_DEFAULT_WIDTH 1024
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/**
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* Default screen height, in pixels.
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*/
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#define RDP_DEFAULT_HEIGHT 768
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/**
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* Default color depth, in bits.
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*/
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#define RDP_DEFAULT_DEPTH 16
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/**
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* The filename to use for the screen recording, if not specified.
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*/
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#define GUAC_RDP_DEFAULT_RECORDING_NAME "recording"
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/**
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* All supported combinations of security types.
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*/
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typedef enum guac_rdp_security {
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/**
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* Standard RDP encryption.
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*/
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GUAC_SECURITY_RDP,
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/**
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* TLS encryption.
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*/
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GUAC_SECURITY_TLS,
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/**
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* Network level authentication.
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*/
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GUAC_SECURITY_NLA,
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/**
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* Any method supported by the server.
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*/
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GUAC_SECURITY_ANY
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} guac_rdp_security;
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/**
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* All supported combinations screen resize methods.
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*/
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typedef enum guac_rdp_resize_method {
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/**
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* Dynamic resizing of the display will not be attempted.
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*/
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GUAC_RESIZE_NONE,
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/**
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* Dynamic resizing will be attempted through sending requests along the
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* Display Update channel. This will only work with recent versions of
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* Windows and relatively-recent versions of FreeRDP.
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*/
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GUAC_RESIZE_DISPLAY_UPDATE,
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/**
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* Guacamole will automatically disconnect and reconnect to the RDP server
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* whenever the screen size changes, requesting the new size during
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* reconnect.
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*/
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GUAC_RESIZE_RECONNECT
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} guac_rdp_resize_method;
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/**
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* All settings supported by the Guacamole RDP client.
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*/
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typedef struct guac_rdp_settings {
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/**
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* The hostname to connect to.
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*/
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char* hostname;
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/**
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* The port to connect to.
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*/
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int port;
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/**
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* The domain of the user logging in.
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*/
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char* domain;
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/**
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* The username of the user logging in.
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*/
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char* username;
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/**
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* The password of the user logging in.
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*/
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char* password;
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/**
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* The color depth of the display to request, in bits.
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*/
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int color_depth;
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/**
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* The width of the display to request, in pixels.
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*/
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int width;
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/**
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* The height of the display to request, in pixels.
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*/
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int height;
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/**
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* The DPI of the remote display to assume when converting between
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* client pixels and remote pixels.
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*/
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int resolution;
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/**
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* Whether audio is enabled.
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*/
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int audio_enabled;
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/**
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* Whether printing is enabled.
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*/
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int printing_enabled;
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/**
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* Whether the virtual drive is enabled.
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*/
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int drive_enabled;
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/**
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* The local system path which will be used to persist the
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* virtual drive.
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*/
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char* drive_path;
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/**
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* Whether to automatically create the local system path if it does not
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* exist.
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*/
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int create_drive_path;
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/**
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* Whether this session is a console session.
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*/
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int console;
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/**
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* Whether to allow audio in the console session.
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*/
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int console_audio;
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/**
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* The keymap chosen as the layout of the server.
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*/
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const guac_rdp_keymap* server_layout;
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/**
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* The initial program to run, if any.
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*/
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char* initial_program;
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/**
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* The name of the client to submit to the RDP server upon connection, or
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* NULL if the name is not specified.
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*/
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char* client_name;
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/**
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* The type of security to use for the connection.
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*/
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guac_rdp_security security_mode;
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/**
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* Whether bad server certificates should be ignored.
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*/
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int ignore_certificate;
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/**
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* Whether authentication should be disabled. This is different from the
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* authentication that takes place when a user provides their username
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* and password. Authentication is required by definition for NLA.
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*/
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int disable_authentication;
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/**
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* The application to launch, if RemoteApp is in use.
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*/
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char* remote_app;
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/**
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* The working directory of the remote application, if RemoteApp is in use.
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*/
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char* remote_app_dir;
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/**
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* The arguments to pass to the remote application, if RemoteApp is in use.
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*/
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char* remote_app_args;
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/**
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* NULL-terminated list of all static virtual channel names, or NULL if
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* no channels whatsoever.
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*/
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char** svc_names;
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/**
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* Whether the desktop wallpaper should be visible. If unset, the desktop
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* wallpaper will be hidden, reducing the amount of bandwidth required.
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*/
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int wallpaper_enabled;
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/**
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* Whether desktop and window theming should be allowed. If unset, theming
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* is temporarily disabled on the desktop of the RDP server for the sake of
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* performance, reducing the amount of bandwidth required.
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*/
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int theming_enabled;
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/**
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* Whether glyphs should be smoothed with antialiasing (ClearType). If
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* unset, glyphs will be rendered with sharp edges and using single colors,
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* effectively 1-bit images, reducing the amount of bandwidth required.
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*/
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int font_smoothing_enabled;
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/**
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* Whether windows contents should be shown as they are moved. If unset,
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* only a window border will be shown during window move operations,
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* reducing the amount of bandwidth required.
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*/
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int full_window_drag_enabled;
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/**
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* Whether desktop composition (Aero) should be enabled during the session.
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* As desktop composition provides alpha blending and other special
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* effects, this increases the amount of bandwidth used. If unset, desktop
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* composition will be disabled.
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*/
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int desktop_composition_enabled;
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/**
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* Whether menu animations should be shown. If unset, menus will not be
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* animated, reducing the amount of bandwidth required.
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*/
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int menu_animations_enabled;
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/**
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* The preconnection ID to send within the preconnection PDU when
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* initiating an RDP connection, if any. If no preconnection ID is
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* specified, this will be -1.
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*/
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int preconnection_id;
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/**
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* The preconnection BLOB (PCB) to send to the RDP server prior to full RDP
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* connection negotiation. This value is used by Hyper-V to select the
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* destination VM.
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*/
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char* preconnection_blob;
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#ifdef ENABLE_COMMON_SSH
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/**
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* Whether SFTP should be enabled for the VNC connection.
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*/
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int enable_sftp;
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/**
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* The hostname of the SSH server to connect to for SFTP.
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*/
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char* sftp_hostname;
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/**
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* The port of the SSH server to connect to for SFTP.
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*/
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char* sftp_port;
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/**
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* The username to provide when authenticating with the SSH server for
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* SFTP.
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*/
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char* sftp_username;
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/**
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* The password to provide when authenticating with the SSH server for
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* SFTP (if not using a private key).
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*/
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char* sftp_password;
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/**
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* The base64-encoded private key to use when authenticating with the SSH
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* server for SFTP (if not using a password).
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*/
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char* sftp_private_key;
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/**
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* The passphrase to use to decrypt the provided base64-encoded private
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* key.
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*/
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char* sftp_passphrase;
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/**
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* The default location for file uploads within the SSH server. This will
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* apply only to uploads which do not use the filesystem guac_object (where
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* the destination directory is otherwise ambiguous).
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*/
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char* sftp_directory;
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#endif
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/**
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* The path in which the screen recording should be saved, if enabled. If
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* no screen recording should be saved, this will be NULL.
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*/
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char* recording_path;
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/**
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* The filename to use for the screen recording, if enabled.
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*/
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char* recording_name;
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/**
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* Whether the screen recording path should be automatically created if it
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* does not already exist.
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*/
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int create_recording_path;
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/**
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* The method to apply when the user's display changes size.
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*/
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guac_rdp_resize_method resize_method;
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/**
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* Whether audio input (microphone) is enabled.
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*/
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int enable_audio_input;
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} guac_rdp_settings;
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/**
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* Parses all given args, storing them in a newly-allocated settings object. If
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* the args fail to parse, NULL is returned.
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*
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* @param user
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* The user who submitted the given arguments while joining the
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* connection.
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*
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* @param argc
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* The number of arguments within the argv array.
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*
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* @param argv
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* The values of all arguments provided by the user.
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*
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* @return
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* A newly-allocated settings object which must be freed with
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* guac_rdp_settings_free() when no longer needed. If the arguments fail
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* to parse, NULL is returned.
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*/
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guac_rdp_settings* guac_rdp_parse_args(guac_user* user,
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int argc, const char** argv);
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/**
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* Frees the given guac_rdp_settings object, having been previously allocated
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* via guac_rdp_parse_args().
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*
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* @param settings
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* The settings object to free.
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*/
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void guac_rdp_settings_free(guac_rdp_settings* settings);
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/**
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* NULL-terminated array of accepted client args.
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*/
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extern const char* GUAC_RDP_CLIENT_ARGS[];
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/**
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* Save all given settings to the given freerdp instance.
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*
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* @param guac_settings
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* The guac_rdp_settings object to save.
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*
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* @param rdp
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* The RDP instance to save settings to.
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*/
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void guac_rdp_push_settings(guac_rdp_settings* guac_settings, freerdp* rdp);
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/**
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* Returns the width of the RDP session display.
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*
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* @param rdp
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* The RDP instance to retrieve the width from.
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*
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* @return
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* The current width of the RDP display, in pixels.
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*/
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int guac_rdp_get_width(freerdp* rdp);
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/**
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* Returns the height of the RDP session display.
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*
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* @param rdp
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* The RDP instance to retrieve the height from.
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*
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* @return
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* The current height of the RDP display, in pixels.
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*/
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int guac_rdp_get_height(freerdp* rdp);
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/**
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* Returns the depth of the RDP session display.
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*
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* @param rdp
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* The RDP instance to retrieve the depth from.
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*
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* @return
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* The current depth of the RDP display, in bits per pixel.
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*/
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int guac_rdp_get_depth(freerdp* rdp);
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#endif
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