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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include "settings.h"
#include <guacamole/user.h>
#include <stdlib.h>
/* Client plugin arguments */
const char* GUAC_KUBERNETES_CLIENT_ARGS[] = {
"hostname",
"port",
"namespace",
"pod",
"container",
"use-ssl",
"client-cert",
"client-key",
"ca-cert",
"ignore-cert",
"font-name",
"font-size",
"color-scheme",
"typescript-path",
"typescript-name",
"create-typescript-path",
"recording-path",
"recording-name",
"recording-exclude-output",
"recording-exclude-mouse",
"recording-include-keys",
"create-recording-path",
"read-only",
"backspace",
"scrollback",
"disable-copy",
"disable-paste",
NULL
};
enum KUBERNETES_ARGS_IDX {
/**
* The hostname to connect to. Required.
*/
IDX_HOSTNAME,
/**
* The port to connect to. Optional.
*/
IDX_PORT,
/**
* The name of the Kubernetes namespace of the pod containing the container
* being attached to. If omitted, the default namespace will be used.
*/
IDX_NAMESPACE,
/**
* The name of the Kubernetes pod containing with the container being
* attached to. Required.
*/
IDX_POD,
/**
* The name of the container to attach to. If omitted, the first container
* in the pod will be used.
*/
IDX_CONTAINER,
/**
* Whether SSL/TLS should be used. If omitted, SSL/TLS will not be used.
*/
IDX_USE_SSL,
/**
* The certificate to use if performing SSL/TLS client authentication to
* authenticate with the Kubernetes server, in PEM format. If omitted, SSL
* client authentication will not be performed.
*/
IDX_CLIENT_CERT,
/**
* The key to use if performing SSL/TLS client authentication to
* authenticate with the Kubernetes server, in PEM format. If omitted, SSL
* client authentication will not be performed.
*/
IDX_CLIENT_KEY,
/**
* The certificate of the certificate authority that signed the certificate
* of the Kubernetes server, in PEM format. If omitted. verification of
* the Kubernetes server certificate will use the systemwide certificate
* authorities.
*/
IDX_CA_CERT,
/**
* Whether the certificate used by the Kubernetes server for SSL/TLS should
* be ignored if it cannot be validated.
*/
IDX_IGNORE_CERT,
/**
* The name of the font to use within the terminal.
*/
IDX_FONT_NAME,
/**
* The size of the font to use within the terminal, in points.
*/
IDX_FONT_SIZE,
/**
* The color scheme to use, as a series of semicolon-separated color-value
* pairs: "background: <color>", "foreground: <color>", or
* "color<n>: <color>", where <n> is a number from 0 to 255, and <color> is
* "color<n>" or an X11 color code (e.g. "aqua" or "rgb:12/34/56").
* The color scheme can also be one of the special values: "black-white",
* "white-black", "gray-black", or "green-black".
*/
IDX_COLOR_SCHEME,
/**
* The full absolute path to the directory in which typescripts should be
* written.
*/
IDX_TYPESCRIPT_PATH,
/**
* The name that should be given to typescripts which are written in the
* given path. Each typescript will consist of two files: "NAME" and
* "NAME.timing".
*/
IDX_TYPESCRIPT_NAME,
/**
* Whether the specified typescript path should automatically be created
* if it does not yet exist.
*/
IDX_CREATE_TYPESCRIPT_PATH,
/**
* The full absolute path to the directory in which screen recordings
* should be written.
*/
IDX_RECORDING_PATH,
/**
* The name that should be given to screen recordings which are written in
* the given path.
*/
IDX_RECORDING_NAME,
/**
* Whether output which is broadcast to each connected client (graphics,
* streams, etc.) should NOT be included in the session recording. Output
* is included by default, as it is necessary for any recording which must
* later be viewable as video.
*/
IDX_RECORDING_EXCLUDE_OUTPUT,
/**
* Whether changes to mouse state, such as position and buttons pressed or
* released, should NOT be included in the session recording. Mouse state
* is included by default, as it is necessary for the mouse cursor to be
* rendered in any resulting video.
*/
IDX_RECORDING_EXCLUDE_MOUSE,
/**
* Whether keys pressed and released should be included in the session
* recording. Key events are NOT included by default within the recording,
* as doing so has privacy and security implications. Including key events
* may be necessary in certain auditing contexts, but should only be done
* with caution. Key events can easily contain sensitive information, such
* as passwords, credit card numbers, etc.
*/
IDX_RECORDING_INCLUDE_KEYS,
/**
* Whether the specified screen recording path should automatically be
* created if it does not yet exist.
*/
IDX_CREATE_RECORDING_PATH,
/**
* "true" if this connection should be read-only (user input should be
* dropped), "false" or blank otherwise.
*/
IDX_READ_ONLY,
/**
* ASCII code, as an integer to use for the backspace key, or 127
* if not specified.
*/
IDX_BACKSPACE,
/**
* The maximum size of the scrollback buffer in rows.
*/
IDX_SCROLLBACK,
/**
* Whether outbound clipboard access should be blocked. If set to "true",
* it will not be possible to copy data from the terminal to the client
* using the clipboard. By default, clipboard access is not blocked.
*/
IDX_DISABLE_COPY,
/**
* Whether inbound clipboard access should be blocked. If set to "true", it
* will not be possible to paste data from the client to the terminal using
* the clipboard. By default, clipboard access is not blocked.
*/
IDX_DISABLE_PASTE,
KUBERNETES_ARGS_COUNT
};
guac_kubernetes_settings* guac_kubernetes_parse_args(guac_user* user,
int argc, const char** argv) {
/* Validate arg count */
if (argc != KUBERNETES_ARGS_COUNT) {
guac_user_log(user, GUAC_LOG_WARNING, "Incorrect number of connection "
"parameters provided: expected %i, got %i.",
KUBERNETES_ARGS_COUNT, argc);
return NULL;
}
guac_kubernetes_settings* settings =
calloc(1, sizeof(guac_kubernetes_settings));
/* Read hostname */
settings->hostname =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_HOSTNAME, "");
/* Read port */
settings->port =
guac_user_parse_args_int(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_PORT, GUAC_KUBERNETES_DEFAULT_PORT);
/* Read Kubernetes namespace */
settings->kubernetes_namespace =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_NAMESPACE, GUAC_KUBERNETES_DEFAULT_NAMESPACE);
/* Read name of Kubernetes pod (required) */
settings->kubernetes_pod =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_POD, NULL);
/* Read container of pod (optional) */
settings->kubernetes_container =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_CONTAINER, NULL);
/* Parse whether SSL should be used */
settings->use_ssl =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_USE_SSL, false);
/* Read SSL/TLS connection details only if enabled */
if (settings->use_ssl) {
settings->client_cert =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS,
argv, IDX_CLIENT_CERT, NULL);
settings->client_key =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS,
argv, IDX_CLIENT_KEY, NULL);
settings->ca_cert =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS,
argv, IDX_CA_CERT, NULL);
settings->ignore_cert =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS,
argv, IDX_IGNORE_CERT, false);
}
/* Read-only mode */
settings->read_only =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_READ_ONLY, false);
/* Read maximum scrollback size */
settings->max_scrollback =
guac_user_parse_args_int(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_SCROLLBACK, GUAC_KUBERNETES_DEFAULT_MAX_SCROLLBACK);
/* Read font name */
settings->font_name =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_FONT_NAME, GUAC_KUBERNETES_DEFAULT_FONT_NAME);
/* Read font size */
settings->font_size =
guac_user_parse_args_int(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_FONT_SIZE, GUAC_KUBERNETES_DEFAULT_FONT_SIZE);
/* Copy requested color scheme */
settings->color_scheme =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_COLOR_SCHEME, "");
/* Pull width/height/resolution directly from user */
settings->width = user->info.optimal_width;
settings->height = user->info.optimal_height;
settings->resolution = user->info.optimal_resolution;
/* Read typescript path */
settings->typescript_path =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_TYPESCRIPT_PATH, NULL);
/* Read typescript name */
settings->typescript_name =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_TYPESCRIPT_NAME, GUAC_KUBERNETES_DEFAULT_TYPESCRIPT_NAME);
/* Parse path creation flag */
settings->create_typescript_path =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_CREATE_TYPESCRIPT_PATH, false);
/* Read recording path */
settings->recording_path =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_RECORDING_PATH, NULL);
/* Read recording name */
settings->recording_name =
guac_user_parse_args_string(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_RECORDING_NAME, GUAC_KUBERNETES_DEFAULT_RECORDING_NAME);
/* Parse output exclusion flag */
settings->recording_exclude_output =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_RECORDING_EXCLUDE_OUTPUT, false);
/* Parse mouse exclusion flag */
settings->recording_exclude_mouse =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_RECORDING_EXCLUDE_MOUSE, false);
/* Parse key event inclusion flag */
settings->recording_include_keys =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_RECORDING_INCLUDE_KEYS, false);
/* Parse path creation flag */
settings->create_recording_path =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_CREATE_RECORDING_PATH, false);
/* Parse backspace key code */
settings->backspace =
guac_user_parse_args_int(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_BACKSPACE, 127);
/* Parse clipboard copy disable flag */
settings->disable_copy =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_DISABLE_COPY, false);
/* Parse clipboard paste disable flag */
settings->disable_paste =
guac_user_parse_args_boolean(user, GUAC_KUBERNETES_CLIENT_ARGS, argv,
IDX_DISABLE_PASTE, false);
/* Parsing was successful */
return settings;
}
void guac_kubernetes_settings_free(guac_kubernetes_settings* settings) {
/* Free network connection information */
free(settings->hostname);
/* Free Kubernetes pod/container details */
free(settings->kubernetes_namespace);
free(settings->kubernetes_pod);
free(settings->kubernetes_container);
/* Free SSL/TLS details */
free(settings->client_cert);
free(settings->client_key);
free(settings->ca_cert);
/* Free display preferences */
free(settings->font_name);
free(settings->color_scheme);
/* Free typescript settings */
free(settings->typescript_name);
free(settings->typescript_path);
/* Free screen recording settings */
free(settings->recording_name);
free(settings->recording_path);
/* Free overall structure */
free(settings);
}