1209 lines
38 KiB
C
1209 lines
38 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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#include "config.h"
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#include "client.h"
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#include "common/string.h"
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#include "rdp.h"
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#include "rdp_settings.h"
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#include "resolution.h"
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#include <freerdp/constants.h>
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#include <freerdp/settings.h>
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#include <guacamole/user.h>
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#ifdef ENABLE_WINPR
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#include <winpr/wtypes.h>
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#else
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#include "compat/winpr-wtypes.h"
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#endif
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#include <stddef.h>
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#include <string.h>
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/* Client plugin arguments */
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const char* GUAC_RDP_CLIENT_ARGS[] = {
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"hostname",
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"port",
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"domain",
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"username",
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"password",
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"width",
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"height",
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"dpi",
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"initial-program",
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"color-depth",
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"disable-audio",
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"enable-printing",
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"enable-drive",
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"drive-path",
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"create-drive-path",
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"console",
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"console-audio",
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"server-layout",
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"security",
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"ignore-cert",
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"disable-auth",
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"remote-app",
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"remote-app-dir",
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"remote-app-args",
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"static-channels",
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"client-name",
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"enable-wallpaper",
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"enable-theming",
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"enable-font-smoothing",
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"enable-full-window-drag",
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"enable-desktop-composition",
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"enable-menu-animations",
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"preconnection-id",
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"preconnection-blob",
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#ifdef ENABLE_COMMON_SSH
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"enable-sftp",
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"sftp-hostname",
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"sftp-port",
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"sftp-username",
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"sftp-password",
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"sftp-private-key",
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"sftp-passphrase",
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"sftp-directory",
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#endif
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"recording-path",
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"recording-name",
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"create-recording-path",
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"resize-method",
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"enable-audio-input",
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"read-only",
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NULL
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};
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enum RDP_ARGS_IDX {
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/**
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* The hostname to connect to.
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*/
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IDX_HOSTNAME,
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/**
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* The port to connect to. If omitted, the default RDP port of 3389 will be
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* used.
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*/
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IDX_PORT,
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/**
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* The domain of the user logging in.
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*/
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IDX_DOMAIN,
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/**
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* The username of the user logging in.
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*/
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IDX_USERNAME,
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/**
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* The password of the user logging in.
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*/
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IDX_PASSWORD,
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/**
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* The width of the display to request, in pixels. If omitted, a reasonable
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* value will be calculated based on the user's own display size and
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* resolution.
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*/
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IDX_WIDTH,
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/**
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* The height of the display to request, in pixels. If omitted, a
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* reasonable value will be calculated based on the user's own display
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* size and resolution.
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*/
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IDX_HEIGHT,
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/**
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* The resolution of the display to request, in DPI. If omitted, a
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* reasonable value will be calculated based on the user's own display
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* size and resolution.
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*/
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IDX_DPI,
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/**
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* The initial program to run, if any.
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*/
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IDX_INITIAL_PROGRAM,
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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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IDX_COLOR_DEPTH,
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/**
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* "true" if audio should be disabled, "false" or blank to leave audio
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* enabled.
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*/
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IDX_DISABLE_AUDIO,
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/**
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* "true" if printing should be enabled, "false" or blank otherwise.
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*/
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IDX_ENABLE_PRINTING,
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/**
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* "true" if the virtual drive should be enabled, "false" or blank
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* otherwise.
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*/
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IDX_ENABLE_DRIVE,
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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. This must be specified if the virtual drive is enabled.
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*/
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IDX_DRIVE_PATH,
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/**
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* "true" to automatically create the local system path used by the virtual
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* drive if it does not yet exist, "false" or blank otherwise.
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*/
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IDX_CREATE_DRIVE_PATH,
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/**
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* "true" if this session is a console session, "false" or blank otherwise.
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*/
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IDX_CONSOLE,
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/**
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* "true" if audio should be allowed in console sessions, "false" or blank
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* otherwise.
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*/
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IDX_CONSOLE_AUDIO,
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/**
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* The name of the keymap chosen as the layout of the server. Legal names
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* are defined within the *.keymap files in the "keymaps" directory of the
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* source for Guacamole's RDP support.
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*/
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IDX_SERVER_LAYOUT,
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/**
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* The type of security to use for the connection. Valid values are "rdp",
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* "tls", "nla", or "any". By default, "rdp" security is used.
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*/
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IDX_SECURITY,
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/**
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* "true" if validity of the RDP server's certificate should be ignored,
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* "false" or blank if invalid certificates should result in a failure to
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* connect.
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*/
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IDX_IGNORE_CERT,
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/**
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* "true" if authentication should be disabled, "false" or blank otherwise.
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* This is different from the authentication that takes place when a user
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* provides their username and password. Authentication is required by
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* definition for NLA.
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*/
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IDX_DISABLE_AUTH,
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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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IDX_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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IDX_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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IDX_REMOTE_APP_ARGS,
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/**
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* Comma-separated list of the names of all static virtual channels that
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* should be connected to and exposed as Guacamole pipe streams, or blank
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* if no static virtual channels should be used.
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*/
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IDX_STATIC_CHANNELS,
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/**
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* The name of the client to submit to the RDP server upon connection.
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*/
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IDX_CLIENT_NAME,
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/**
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* "true" if the desktop wallpaper should be visible, "false" or blank if
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* the desktop wallpaper should be hidden.
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*/
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IDX_ENABLE_WALLPAPER,
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/**
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* "true" if desktop and window theming should be allowed, "false" or blank
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* if theming should be temporarily disabled on the desktop of the RDP
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* server for the sake of performance.
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*/
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IDX_ENABLE_THEMING,
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/**
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* "true" if glyphs should be smoothed with antialiasing (ClearType),
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* "false" or blank if glyphs should be rendered with sharp edges and using
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* single colors, effectively 1-bit images.
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*/
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IDX_ENABLE_FONT_SMOOTHING,
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/**
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* "true" if windows' contents should be shown as they are moved, "false"
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* or blank if only a window border should be shown during window move
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* operations.
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*/
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IDX_ENABLE_FULL_WINDOW_DRAG,
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/**
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* "true" if desktop composition (Aero) should be enabled during the
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* session, "false" or blank otherwise. As desktop composition provides
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* alpha blending and other special effects, this increases the amount of
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* bandwidth used.
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*/
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IDX_ENABLE_DESKTOP_COMPOSITION,
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/**
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* "true" if menu animations should be shown, "false" or blank menus should
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* not be animated.
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*/
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IDX_ENABLE_MENU_ANIMATIONS,
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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.
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*/
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IDX_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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IDX_PRECONNECTION_BLOB,
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#ifdef ENABLE_COMMON_SSH
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/**
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* "true" if SFTP should be enabled for the RDP connection, "false" or
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* blank otherwise.
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*/
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IDX_ENABLE_SFTP,
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/**
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* The hostname of the SSH server to connect to for SFTP. If blank, the
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* hostname of the RDP server will be used.
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*/
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IDX_SFTP_HOSTNAME,
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/**
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* The port of the SSH server to connect to for SFTP. If blank, the default
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* SSH port of "22" will be used.
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*/
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IDX_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. If blank, the username provided for the RDP user will be used.
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*/
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IDX_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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IDX_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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IDX_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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IDX_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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IDX_SFTP_DIRECTORY,
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#endif
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/**
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* The full absolute path to the directory in which screen recordings
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* should be written.
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*/
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IDX_RECORDING_PATH,
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/**
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* The name that should be given to screen recordings which are written in
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* the given path.
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*/
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IDX_RECORDING_NAME,
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/**
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* Whether the specified screen recording path should automatically be
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* created if it does not yet exist.
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*/
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IDX_CREATE_RECORDING_PATH,
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/**
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* The method to use to apply screen size changes requested by the user.
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* Valid values are blank, "display-update", and "reconnect".
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*/
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IDX_RESIZE_METHOD,
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/**
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* "true" if audio input (microphone) should be enabled for the RDP
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* connection, "false" or blank otherwise.
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*/
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IDX_ENABLE_AUDIO_INPUT,
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/**
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* "true" if this connection should be read-only (user input should be
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* dropped), "false" or blank otherwise.
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*/
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IDX_READ_ONLY,
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RDP_ARGS_COUNT
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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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/* Validate arg count */
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if (argc != RDP_ARGS_COUNT) {
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guac_user_log(user, GUAC_LOG_WARNING, "Incorrect number of connection "
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"parameters provided: expected %i, got %i.",
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RDP_ARGS_COUNT, argc);
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return NULL;
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}
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guac_rdp_settings* settings = calloc(1, sizeof(guac_rdp_settings));
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/* Use console */
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settings->console =
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guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_CONSOLE, 0);
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/* Enable/disable console audio */
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settings->console_audio =
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guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_CONSOLE_AUDIO, 0);
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/* Ignore SSL/TLS certificate */
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settings->ignore_certificate =
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guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_IGNORE_CERT, 0);
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/* Disable authentication */
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settings->disable_authentication =
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guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_DISABLE_AUTH, 0);
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/* NLA security */
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if (strcmp(argv[IDX_SECURITY], "nla") == 0) {
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guac_user_log(user, GUAC_LOG_INFO, "Security mode: NLA");
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settings->security_mode = GUAC_SECURITY_NLA;
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}
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/* TLS security */
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else if (strcmp(argv[IDX_SECURITY], "tls") == 0) {
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guac_user_log(user, GUAC_LOG_INFO, "Security mode: TLS");
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settings->security_mode = GUAC_SECURITY_TLS;
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}
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/* RDP security */
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else if (strcmp(argv[IDX_SECURITY], "rdp") == 0) {
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guac_user_log(user, GUAC_LOG_INFO, "Security mode: RDP");
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settings->security_mode = GUAC_SECURITY_RDP;
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}
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/* ANY security (allow server to choose) */
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else if (strcmp(argv[IDX_SECURITY], "any") == 0) {
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guac_user_log(user, GUAC_LOG_INFO, "Security mode: ANY");
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settings->security_mode = GUAC_SECURITY_ANY;
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}
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/* If nothing given, default to RDP */
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else {
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guac_user_log(user, GUAC_LOG_INFO, "No security mode specified. Defaulting to RDP.");
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settings->security_mode = GUAC_SECURITY_RDP;
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}
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/* Set hostname */
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settings->hostname =
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guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_HOSTNAME, "");
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/* If port specified, use it */
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settings->port =
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guac_user_parse_args_int(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_PORT, RDP_DEFAULT_PORT);
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guac_user_log(user, GUAC_LOG_DEBUG,
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"User resolution is %ix%i at %i DPI",
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user->info.optimal_width,
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user->info.optimal_height,
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user->info.optimal_resolution);
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/* Use suggested resolution unless overridden */
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settings->resolution =
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guac_user_parse_args_int(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_DPI, guac_rdp_suggest_resolution(user));
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/* Use optimal width unless overridden */
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settings->width = user->info.optimal_width
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* settings->resolution
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/ user->info.optimal_resolution;
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if (argv[IDX_WIDTH][0] != '\0')
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settings->width = atoi(argv[IDX_WIDTH]);
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/* Use default width if given width is invalid. */
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if (settings->width <= 0) {
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settings->width = RDP_DEFAULT_WIDTH;
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guac_user_log(user, GUAC_LOG_ERROR,
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"Invalid width: \"%s\". Using default of %i.",
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argv[IDX_WIDTH], settings->width);
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}
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/* Round width down to nearest multiple of 4 */
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settings->width = settings->width & ~0x3;
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/* Use optimal height unless overridden */
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settings->height = user->info.optimal_height
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* settings->resolution
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/ user->info.optimal_resolution;
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if (argv[IDX_HEIGHT][0] != '\0')
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settings->height = atoi(argv[IDX_HEIGHT]);
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/* Use default height if given height is invalid. */
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if (settings->height <= 0) {
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settings->height = RDP_DEFAULT_HEIGHT;
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guac_user_log(user, GUAC_LOG_ERROR,
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"Invalid height: \"%s\". Using default of %i.",
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argv[IDX_WIDTH], settings->height);
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}
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guac_user_log(user, GUAC_LOG_DEBUG,
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"Using resolution of %ix%i at %i DPI",
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settings->width,
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settings->height,
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settings->resolution);
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/* Domain */
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settings->domain =
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guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_DOMAIN, NULL);
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/* Username */
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settings->username =
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guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_USERNAME, NULL);
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/* Password */
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settings->password =
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guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_PASSWORD, NULL);
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/* Read-only mode */
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settings->read_only =
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guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_READ_ONLY, 0);
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/* Client name */
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settings->client_name =
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guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_CLIENT_NAME, NULL);
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/* Initial program */
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settings->initial_program =
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guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
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IDX_INITIAL_PROGRAM, NULL);
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/* RemoteApp program */
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settings->remote_app =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_REMOTE_APP, NULL);
|
|
|
|
/* RemoteApp working directory */
|
|
settings->remote_app_dir =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_REMOTE_APP_DIR, NULL);
|
|
|
|
/* RemoteApp arguments */
|
|
settings->remote_app_args =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_REMOTE_APP_ARGS, NULL);
|
|
|
|
/* Static virtual channels */
|
|
settings->svc_names = NULL;
|
|
if (argv[IDX_STATIC_CHANNELS][0] != '\0')
|
|
settings->svc_names = guac_split(argv[IDX_STATIC_CHANNELS], ',');
|
|
|
|
/*
|
|
* Performance flags
|
|
*/
|
|
|
|
settings->wallpaper_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_WALLPAPER, 0);
|
|
|
|
settings->theming_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_THEMING, 0);
|
|
|
|
settings->font_smoothing_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_FONT_SMOOTHING, 0);
|
|
|
|
settings->full_window_drag_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_FULL_WINDOW_DRAG, 0);
|
|
|
|
settings->desktop_composition_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_DESKTOP_COMPOSITION, 0);
|
|
|
|
settings->menu_animations_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_MENU_ANIMATIONS, 0);
|
|
|
|
/* Session color depth */
|
|
settings->color_depth =
|
|
guac_user_parse_args_int(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_COLOR_DEPTH, RDP_DEFAULT_DEPTH);
|
|
|
|
/* Preconnection ID */
|
|
settings->preconnection_id = -1;
|
|
if (argv[IDX_PRECONNECTION_ID][0] != '\0') {
|
|
|
|
/* Parse preconnection ID, warn if invalid */
|
|
int preconnection_id = atoi(argv[IDX_PRECONNECTION_ID]);
|
|
if (preconnection_id < 0)
|
|
guac_user_log(user, GUAC_LOG_WARNING,
|
|
"Ignoring invalid preconnection ID: %i",
|
|
preconnection_id);
|
|
|
|
/* Otherwise, assign specified ID */
|
|
else {
|
|
settings->preconnection_id = preconnection_id;
|
|
guac_user_log(user, GUAC_LOG_DEBUG,
|
|
"Preconnection ID: %i", settings->preconnection_id);
|
|
}
|
|
|
|
}
|
|
|
|
/* Preconnection BLOB */
|
|
settings->preconnection_blob = NULL;
|
|
if (argv[IDX_PRECONNECTION_BLOB][0] != '\0') {
|
|
settings->preconnection_blob = strdup(argv[IDX_PRECONNECTION_BLOB]);
|
|
guac_user_log(user, GUAC_LOG_DEBUG,
|
|
"Preconnection BLOB: \"%s\"", settings->preconnection_blob);
|
|
}
|
|
|
|
#ifndef HAVE_RDPSETTINGS_SENDPRECONNECTIONPDU
|
|
/* Warn if support for the preconnection BLOB / ID is absent */
|
|
if (settings->preconnection_blob != NULL
|
|
|| settings->preconnection_id != -1) {
|
|
guac_user_log(user, GUAC_LOG_WARNING,
|
|
"Installed version of FreeRDP lacks support for the "
|
|
"preconnection PDU. The specified preconnection BLOB and/or "
|
|
"ID will be ignored.");
|
|
}
|
|
#endif
|
|
|
|
/* Audio enable/disable */
|
|
settings->audio_enabled =
|
|
!guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_DISABLE_AUDIO, 0);
|
|
|
|
/* Printing enable/disable */
|
|
settings->printing_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_PRINTING, 0);
|
|
|
|
/* Drive enable/disable */
|
|
settings->drive_enabled =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_DRIVE, 0);
|
|
|
|
settings->drive_path =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_DRIVE_PATH, "");
|
|
|
|
settings->create_drive_path =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_CREATE_DRIVE_PATH, 0);
|
|
|
|
/* Pick keymap based on argument */
|
|
settings->server_layout = NULL;
|
|
if (argv[IDX_SERVER_LAYOUT][0] != '\0')
|
|
settings->server_layout =
|
|
guac_rdp_keymap_find(argv[IDX_SERVER_LAYOUT]);
|
|
|
|
/* If no keymap requested, use default */
|
|
if (settings->server_layout == NULL)
|
|
settings->server_layout = guac_rdp_keymap_find(GUAC_DEFAULT_KEYMAP);
|
|
|
|
#ifdef ENABLE_COMMON_SSH
|
|
/* SFTP enable/disable */
|
|
settings->enable_sftp =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_SFTP, 0);
|
|
|
|
/* Hostname for SFTP connection */
|
|
settings->sftp_hostname =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_SFTP_HOSTNAME, settings->hostname);
|
|
|
|
/* Port for SFTP connection */
|
|
settings->sftp_port =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_SFTP_PORT, "22");
|
|
|
|
/* Username for SSH/SFTP authentication */
|
|
settings->sftp_username =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_SFTP_USERNAME,
|
|
settings->username != NULL ? settings->username : "");
|
|
|
|
/* Password for SFTP (if not using private key) */
|
|
settings->sftp_password =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_SFTP_PASSWORD, "");
|
|
|
|
/* Private key for SFTP (if not using password) */
|
|
settings->sftp_private_key =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_SFTP_PRIVATE_KEY, NULL);
|
|
|
|
/* Passphrase for decrypting the SFTP private key (if applicable */
|
|
settings->sftp_passphrase =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_SFTP_PASSPHRASE, "");
|
|
|
|
/* Default upload directory */
|
|
settings->sftp_directory =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_SFTP_DIRECTORY, NULL);
|
|
#endif
|
|
|
|
/* Read recording path */
|
|
settings->recording_path =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_RECORDING_PATH, NULL);
|
|
|
|
/* Read recording name */
|
|
settings->recording_name =
|
|
guac_user_parse_args_string(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_RECORDING_NAME, GUAC_RDP_DEFAULT_RECORDING_NAME);
|
|
|
|
/* Parse path creation flag */
|
|
settings->create_recording_path =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_CREATE_RECORDING_PATH, 0);
|
|
|
|
/* No resize method */
|
|
if (strcmp(argv[IDX_RESIZE_METHOD], "") == 0) {
|
|
guac_user_log(user, GUAC_LOG_INFO, "Resize method: none");
|
|
settings->resize_method = GUAC_RESIZE_NONE;
|
|
}
|
|
|
|
/* Resize method: "reconnect" */
|
|
else if (strcmp(argv[IDX_RESIZE_METHOD], "reconnect") == 0) {
|
|
guac_user_log(user, GUAC_LOG_INFO, "Resize method: reconnect");
|
|
settings->resize_method = GUAC_RESIZE_RECONNECT;
|
|
}
|
|
|
|
/* Resize method: "display-update" */
|
|
else if (strcmp(argv[IDX_RESIZE_METHOD], "display-update") == 0) {
|
|
guac_user_log(user, GUAC_LOG_INFO, "Resize method: display-update");
|
|
settings->resize_method = GUAC_RESIZE_DISPLAY_UPDATE;
|
|
}
|
|
|
|
/* Default to no resize method if invalid */
|
|
else {
|
|
guac_user_log(user, GUAC_LOG_INFO, "Resize method \"%s\" invalid. ",
|
|
"Defaulting to no resize method.", argv[IDX_RESIZE_METHOD]);
|
|
settings->resize_method = GUAC_RESIZE_NONE;
|
|
}
|
|
|
|
/* Audio input enable/disable */
|
|
settings->enable_audio_input =
|
|
guac_user_parse_args_boolean(user, GUAC_RDP_CLIENT_ARGS, argv,
|
|
IDX_ENABLE_AUDIO_INPUT, 0);
|
|
|
|
/* Success */
|
|
return settings;
|
|
|
|
}
|
|
|
|
void guac_rdp_settings_free(guac_rdp_settings* settings) {
|
|
|
|
/* Free settings strings */
|
|
free(settings->client_name);
|
|
free(settings->domain);
|
|
free(settings->drive_path);
|
|
free(settings->hostname);
|
|
free(settings->initial_program);
|
|
free(settings->password);
|
|
free(settings->preconnection_blob);
|
|
free(settings->recording_name);
|
|
free(settings->recording_path);
|
|
free(settings->remote_app);
|
|
free(settings->remote_app_args);
|
|
free(settings->remote_app_dir);
|
|
free(settings->username);
|
|
|
|
/* Free channel name array */
|
|
if (settings->svc_names != NULL) {
|
|
|
|
/* Free all elements of array */
|
|
char** current = &(settings->svc_names[0]);
|
|
while (*current != NULL) {
|
|
free(*current);
|
|
current++;
|
|
}
|
|
|
|
/* Free array itself */
|
|
free(settings->svc_names);
|
|
|
|
}
|
|
|
|
#ifdef ENABLE_COMMON_SSH
|
|
/* Free SFTP settings */
|
|
free(settings->sftp_directory);
|
|
free(settings->sftp_hostname);
|
|
free(settings->sftp_passphrase);
|
|
free(settings->sftp_password);
|
|
free(settings->sftp_port);
|
|
free(settings->sftp_private_key);
|
|
free(settings->sftp_username);
|
|
#endif
|
|
|
|
/* Free settings structure */
|
|
free(settings);
|
|
|
|
}
|
|
|
|
int guac_rdp_get_width(freerdp* rdp) {
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
return rdp->settings->width;
|
|
#else
|
|
return rdp->settings->DesktopWidth;
|
|
#endif
|
|
}
|
|
|
|
int guac_rdp_get_height(freerdp* rdp) {
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
return rdp->settings->height;
|
|
#else
|
|
return rdp->settings->DesktopHeight;
|
|
#endif
|
|
}
|
|
|
|
int guac_rdp_get_depth(freerdp* rdp) {
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
return rdp->settings->color_depth;
|
|
#else
|
|
return rdp->settings->ColorDepth;
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* Given the settings structure of the Guacamole RDP client, calculates the
|
|
* standard performance flag value to send to the RDP server. The value of
|
|
* these flags is dictated by the RDP standard.
|
|
*
|
|
* @param guac_settings
|
|
* The settings structure to read performance settings from.
|
|
*
|
|
* @returns
|
|
* The standard RDP performance flag value representing the union of all
|
|
* performance settings within the given settings structure.
|
|
*/
|
|
static int guac_rdp_get_performance_flags(guac_rdp_settings* guac_settings) {
|
|
|
|
/* No performance flags initially */
|
|
int flags = PERF_FLAG_NONE;
|
|
|
|
/* Desktop wallpaper */
|
|
if (!guac_settings->wallpaper_enabled)
|
|
flags |= PERF_DISABLE_WALLPAPER;
|
|
|
|
/* Theming of desktop/windows */
|
|
if (!guac_settings->theming_enabled)
|
|
flags |= PERF_DISABLE_THEMING;
|
|
|
|
/* Font smoothing (ClearType) */
|
|
if (guac_settings->font_smoothing_enabled)
|
|
flags |= PERF_ENABLE_FONT_SMOOTHING;
|
|
|
|
/* Full-window drag */
|
|
if (!guac_settings->full_window_drag_enabled)
|
|
flags |= PERF_DISABLE_FULLWINDOWDRAG;
|
|
|
|
/* Desktop composition (Aero) */
|
|
if (guac_settings->desktop_composition_enabled)
|
|
flags |= PERF_ENABLE_DESKTOP_COMPOSITION;
|
|
|
|
/* Menu animations */
|
|
if (!guac_settings->menu_animations_enabled)
|
|
flags |= PERF_DISABLE_MENUANIMATIONS;
|
|
|
|
return flags;
|
|
|
|
}
|
|
|
|
/**
|
|
* Simple wrapper for strdup() which behaves identically to standard strdup(),
|
|
* execpt that NULL will be returned if the provided string is NULL.
|
|
*
|
|
* @param str
|
|
* The string to duplicate as a newly-allocated string.
|
|
*
|
|
* @return
|
|
* A newly-allocated string containing identically the same content as the
|
|
* given string, or NULL if the given string was NULL.
|
|
*/
|
|
static char* guac_rdp_strdup(const char* str) {
|
|
|
|
/* Return NULL if no string provided */
|
|
if (str == NULL)
|
|
return NULL;
|
|
|
|
/* Otherwise just invoke strdup() */
|
|
return strdup(str);
|
|
|
|
}
|
|
|
|
void guac_rdp_push_settings(guac_rdp_settings* guac_settings, freerdp* rdp) {
|
|
|
|
BOOL bitmap_cache;
|
|
rdpSettings* rdp_settings = rdp->settings;
|
|
|
|
/* Authentication */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->domain = guac_rdp_strdup(guac_settings->domain);
|
|
rdp_settings->username = guac_rdp_strdup(guac_settings->username);
|
|
rdp_settings->password = guac_rdp_strdup(guac_settings->password);
|
|
#else
|
|
rdp_settings->Domain = guac_rdp_strdup(guac_settings->domain);
|
|
rdp_settings->Username = guac_rdp_strdup(guac_settings->username);
|
|
rdp_settings->Password = guac_rdp_strdup(guac_settings->password);
|
|
#endif
|
|
|
|
/* Connection */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->hostname = guac_rdp_strdup(guac_settings->hostname);
|
|
rdp_settings->port = guac_settings->port;
|
|
#else
|
|
rdp_settings->ServerHostname = guac_rdp_strdup(guac_settings->hostname);
|
|
rdp_settings->ServerPort = guac_settings->port;
|
|
#endif
|
|
|
|
/* Session */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->color_depth = guac_settings->color_depth;
|
|
rdp_settings->width = guac_settings->width;
|
|
rdp_settings->height = guac_settings->height;
|
|
rdp_settings->shell = guac_rdp_strdup(guac_settings->initial_program);
|
|
rdp_settings->kbd_layout = guac_settings->server_layout->freerdp_keyboard_layout;
|
|
#else
|
|
rdp_settings->ColorDepth = guac_settings->color_depth;
|
|
rdp_settings->DesktopWidth = guac_settings->width;
|
|
rdp_settings->DesktopHeight = guac_settings->height;
|
|
rdp_settings->AlternateShell = guac_rdp_strdup(guac_settings->initial_program);
|
|
rdp_settings->KeyboardLayout = guac_settings->server_layout->freerdp_keyboard_layout;
|
|
#endif
|
|
|
|
/* Performance flags */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
|
|
/* Explicitly set flag value */
|
|
rdp_settings->performance_flags = guac_rdp_get_performance_flags(guac_settings);
|
|
|
|
/* Set individual flags - some FreeRDP versions overwrite the above */
|
|
rdp_settings->smooth_fonts = guac_settings->font_smoothing_enabled;
|
|
rdp_settings->disable_wallpaper = !guac_settings->wallpaper_enabled;
|
|
rdp_settings->disable_full_window_drag = !guac_settings->full_window_drag_enabled;
|
|
rdp_settings->disable_menu_animations = !guac_settings->menu_animations_enabled;
|
|
rdp_settings->disable_theming = !guac_settings->theming_enabled;
|
|
rdp_settings->desktop_composition = guac_settings->desktop_composition_enabled;
|
|
|
|
#else
|
|
|
|
/* Explicitly set flag value */
|
|
rdp_settings->PerformanceFlags = guac_rdp_get_performance_flags(guac_settings);
|
|
|
|
/* Set individual flags - some FreeRDP versions overwrite the above */
|
|
rdp_settings->AllowFontSmoothing = guac_settings->font_smoothing_enabled;
|
|
rdp_settings->DisableWallpaper = !guac_settings->wallpaper_enabled;
|
|
rdp_settings->DisableFullWindowDrag = !guac_settings->full_window_drag_enabled;
|
|
rdp_settings->DisableMenuAnims = !guac_settings->menu_animations_enabled;
|
|
rdp_settings->DisableThemes = !guac_settings->theming_enabled;
|
|
rdp_settings->AllowDesktopComposition = guac_settings->desktop_composition_enabled;
|
|
|
|
#endif
|
|
|
|
/* Client name */
|
|
if (guac_settings->client_name != NULL) {
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
strncpy(rdp_settings->client_hostname, guac_settings->client_name,
|
|
RDP_CLIENT_HOSTNAME_SIZE - 1);
|
|
#else
|
|
strncpy(rdp_settings->ClientHostname, guac_settings->client_name,
|
|
RDP_CLIENT_HOSTNAME_SIZE - 1);
|
|
#endif
|
|
}
|
|
|
|
/* Console */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->console_session = guac_settings->console;
|
|
rdp_settings->console_audio = guac_settings->console_audio;
|
|
#else
|
|
rdp_settings->ConsoleSession = guac_settings->console;
|
|
rdp_settings->RemoteConsoleAudio = guac_settings->console_audio;
|
|
#endif
|
|
|
|
/* Audio */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
#ifdef HAVE_RDPSETTINGS_AUDIOPLAYBACK
|
|
rdp_settings->audio_playback = guac_settings->audio_enabled;
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_RDPSETTINGS_AUDIOPLAYBACK
|
|
rdp_settings->AudioPlayback = guac_settings->audio_enabled;
|
|
#endif
|
|
#endif
|
|
|
|
/* Audio capture */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
#ifdef HAVE_RDPSETTINGS_AUDIOCAPTURE
|
|
rdp_settings->audio_capture = guac_settings->enable_audio_input;
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_RDPSETTINGS_AUDIOCAPTURE
|
|
rdp_settings->AudioCapture = guac_settings->enable_audio_input;
|
|
#endif
|
|
#endif
|
|
|
|
/* Device redirection */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
#ifdef HAVE_RDPSETTINGS_DEVICEREDIRECTION
|
|
rdp_settings->device_redirection = guac_settings->audio_enabled
|
|
|| guac_settings->drive_enabled
|
|
|| guac_settings->printing_enabled;
|
|
#endif
|
|
#else
|
|
#ifdef HAVE_RDPSETTINGS_DEVICEREDIRECTION
|
|
rdp_settings->DeviceRedirection = guac_settings->audio_enabled
|
|
|| guac_settings->drive_enabled
|
|
|| guac_settings->printing_enabled;
|
|
#endif
|
|
#endif
|
|
|
|
/* Security */
|
|
switch (guac_settings->security_mode) {
|
|
|
|
/* Standard RDP encryption */
|
|
case GUAC_SECURITY_RDP:
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->rdp_security = TRUE;
|
|
rdp_settings->tls_security = FALSE;
|
|
rdp_settings->nla_security = FALSE;
|
|
rdp_settings->encryption_level = ENCRYPTION_LEVEL_CLIENT_COMPATIBLE;
|
|
rdp_settings->encryption_method =
|
|
ENCRYPTION_METHOD_40BIT
|
|
| ENCRYPTION_METHOD_128BIT
|
|
| ENCRYPTION_METHOD_FIPS;
|
|
#else
|
|
rdp_settings->RdpSecurity = TRUE;
|
|
rdp_settings->TlsSecurity = FALSE;
|
|
rdp_settings->NlaSecurity = FALSE;
|
|
rdp_settings->EncryptionLevel = ENCRYPTION_LEVEL_CLIENT_COMPATIBLE;
|
|
rdp_settings->EncryptionMethods =
|
|
ENCRYPTION_METHOD_40BIT
|
|
| ENCRYPTION_METHOD_128BIT
|
|
| ENCRYPTION_METHOD_FIPS;
|
|
#endif
|
|
break;
|
|
|
|
/* TLS encryption */
|
|
case GUAC_SECURITY_TLS:
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->rdp_security = FALSE;
|
|
rdp_settings->tls_security = TRUE;
|
|
rdp_settings->nla_security = FALSE;
|
|
#else
|
|
rdp_settings->RdpSecurity = FALSE;
|
|
rdp_settings->TlsSecurity = TRUE;
|
|
rdp_settings->NlaSecurity = FALSE;
|
|
#endif
|
|
break;
|
|
|
|
/* Network level authentication */
|
|
case GUAC_SECURITY_NLA:
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->rdp_security = FALSE;
|
|
rdp_settings->tls_security = FALSE;
|
|
rdp_settings->nla_security = TRUE;
|
|
#else
|
|
rdp_settings->RdpSecurity = FALSE;
|
|
rdp_settings->TlsSecurity = FALSE;
|
|
rdp_settings->NlaSecurity = TRUE;
|
|
#endif
|
|
break;
|
|
|
|
/* All security types */
|
|
case GUAC_SECURITY_ANY:
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->rdp_security = TRUE;
|
|
rdp_settings->tls_security = TRUE;
|
|
rdp_settings->nla_security = TRUE;
|
|
#else
|
|
rdp_settings->RdpSecurity = TRUE;
|
|
rdp_settings->TlsSecurity = TRUE;
|
|
rdp_settings->NlaSecurity = TRUE;
|
|
#endif
|
|
break;
|
|
|
|
}
|
|
|
|
/* Authentication */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->authentication = !guac_settings->disable_authentication;
|
|
rdp_settings->ignore_certificate = guac_settings->ignore_certificate;
|
|
rdp_settings->encryption = TRUE;
|
|
#else
|
|
rdp_settings->Authentication = !guac_settings->disable_authentication;
|
|
rdp_settings->IgnoreCertificate = guac_settings->ignore_certificate;
|
|
rdp_settings->DisableEncryption = FALSE;
|
|
#endif
|
|
|
|
/* RemoteApp */
|
|
if (guac_settings->remote_app != NULL) {
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
rdp_settings->workarea = TRUE;
|
|
rdp_settings->remote_app = TRUE;
|
|
rdp_settings->rail_langbar_supported = TRUE;
|
|
#else
|
|
rdp_settings->Workarea = TRUE;
|
|
rdp_settings->RemoteApplicationMode = TRUE;
|
|
rdp_settings->RemoteAppLanguageBarSupported = TRUE;
|
|
rdp_settings->RemoteApplicationProgram = guac_settings->remote_app;
|
|
rdp_settings->ShellWorkingDirectory = guac_rdp_strdup(guac_settings->remote_app_dir);
|
|
rdp_settings->RemoteApplicationCmdLine = guac_settings->remote_app_args;
|
|
#endif
|
|
}
|
|
|
|
#ifdef HAVE_RDPSETTINGS_SENDPRECONNECTIONPDU
|
|
/* Preconnection ID */
|
|
if (guac_settings->preconnection_id != -1) {
|
|
rdp_settings->NegotiateSecurityLayer = FALSE;
|
|
rdp_settings->SendPreconnectionPdu = TRUE;
|
|
rdp_settings->PreconnectionId = guac_settings->preconnection_id;
|
|
}
|
|
|
|
/* Preconnection BLOB */
|
|
if (guac_settings->preconnection_blob != NULL) {
|
|
rdp_settings->NegotiateSecurityLayer = FALSE;
|
|
rdp_settings->SendPreconnectionPdu = TRUE;
|
|
rdp_settings->PreconnectionBlob = guac_settings->preconnection_blob;
|
|
}
|
|
#endif
|
|
|
|
/* Order support */
|
|
#ifdef LEGACY_RDPSETTINGS
|
|
bitmap_cache = rdp_settings->bitmap_cache;
|
|
rdp_settings->os_major_type = OSMAJORTYPE_UNSPECIFIED;
|
|
rdp_settings->os_minor_type = OSMINORTYPE_UNSPECIFIED;
|
|
rdp_settings->desktop_resize = TRUE;
|
|
rdp_settings->order_support[NEG_DSTBLT_INDEX] = TRUE;
|
|
rdp_settings->order_support[NEG_PATBLT_INDEX] = FALSE; /* PATBLT not yet supported */
|
|
rdp_settings->order_support[NEG_SCRBLT_INDEX] = TRUE;
|
|
rdp_settings->order_support[NEG_OPAQUE_RECT_INDEX] = TRUE;
|
|
rdp_settings->order_support[NEG_DRAWNINEGRID_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_MULTIDSTBLT_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_MULTIPATBLT_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_MULTISCRBLT_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_MULTIOPAQUERECT_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_MULTI_DRAWNINEGRID_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_LINETO_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_POLYLINE_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_MEMBLT_INDEX] = bitmap_cache;
|
|
rdp_settings->order_support[NEG_MEM3BLT_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_MEMBLT_V2_INDEX] = bitmap_cache;
|
|
rdp_settings->order_support[NEG_MEM3BLT_V2_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_SAVEBITMAP_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_GLYPH_INDEX_INDEX] = TRUE;
|
|
rdp_settings->order_support[NEG_FAST_INDEX_INDEX] = TRUE;
|
|
rdp_settings->order_support[NEG_FAST_GLYPH_INDEX] = TRUE;
|
|
rdp_settings->order_support[NEG_POLYGON_SC_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_POLYGON_CB_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_ELLIPSE_SC_INDEX] = FALSE;
|
|
rdp_settings->order_support[NEG_ELLIPSE_CB_INDEX] = FALSE;
|
|
#else
|
|
bitmap_cache = rdp_settings->BitmapCacheEnabled;
|
|
rdp_settings->OsMajorType = OSMAJORTYPE_UNSPECIFIED;
|
|
rdp_settings->OsMinorType = OSMINORTYPE_UNSPECIFIED;
|
|
rdp_settings->DesktopResize = TRUE;
|
|
rdp_settings->OrderSupport[NEG_DSTBLT_INDEX] = TRUE;
|
|
rdp_settings->OrderSupport[NEG_PATBLT_INDEX] = FALSE; /* PATBLT not yet supported */
|
|
rdp_settings->OrderSupport[NEG_SCRBLT_INDEX] = TRUE;
|
|
rdp_settings->OrderSupport[NEG_OPAQUE_RECT_INDEX] = TRUE;
|
|
rdp_settings->OrderSupport[NEG_DRAWNINEGRID_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_MULTIDSTBLT_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_MULTIPATBLT_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_MULTISCRBLT_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_MULTIOPAQUERECT_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_MULTI_DRAWNINEGRID_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_LINETO_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_POLYLINE_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_MEMBLT_INDEX] = bitmap_cache;
|
|
rdp_settings->OrderSupport[NEG_MEM3BLT_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_MEMBLT_V2_INDEX] = bitmap_cache;
|
|
rdp_settings->OrderSupport[NEG_MEM3BLT_V2_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_SAVEBITMAP_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_GLYPH_INDEX_INDEX] = TRUE;
|
|
rdp_settings->OrderSupport[NEG_FAST_INDEX_INDEX] = TRUE;
|
|
rdp_settings->OrderSupport[NEG_FAST_GLYPH_INDEX] = TRUE;
|
|
rdp_settings->OrderSupport[NEG_POLYGON_SC_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_POLYGON_CB_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_ELLIPSE_SC_INDEX] = FALSE;
|
|
rdp_settings->OrderSupport[NEG_ELLIPSE_CB_INDEX] = FALSE;
|
|
#endif
|
|
|
|
}
|
|
|