/usr/include/guacamole/plugin.h is in libguac-dev 0.9.9-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _GUAC_PLUGIN_H
#define _GUAC_PLUGIN_H
#include "client-types.h"
#include "plugin-constants.h"
#include "plugin-types.h"
/**
* Provides functions and structures required for handling a client plugin.
*
* @file plugin.h
*/
struct guac_client_plugin {
/**
* Reference to dlopen'd client plugin.
*/
void* __client_plugin_handle;
/**
* Reference to the init handler of this client plugin. This
* function will be called when the client plugin is started.
*/
guac_client_init_handler* init_handler;
/**
* NULL-terminated array of all arguments accepted by this client
* plugin, in order. The values of these arguments will be passed
* to the init_handler if the client plugin is started.
*/
const char** args;
};
/**
* Open the plugin which provides support for the given protocol, if it
* exists.
*
* @param protocol The name of the protocol to retrieve the client plugin
* for.
* @return The client plugin supporting the given protocol, or NULL if
* an error occurs or no such plugin exists.
*/
guac_client_plugin* guac_client_plugin_open(const char* protocol);
/**
* Close the given plugin, releasing all associated resources. This function
* must be called after use of a client plugin is finished.
*
* @param plugin The client plugin to close.
* @return Zero on success, non-zero if an error occurred while releasing
* the resources associated with the plugin.
*/
int guac_client_plugin_close(guac_client_plugin* plugin);
/**
* Initializes the given guac_client using the initialization routine provided
* by the given guac_client_plugin.
*
* @param plugin The client plugin to use to initialize the new client.
* @param client The guac_client to initialize.
* @param argc The number of arguments being passed to the client.
* @param argv All arguments to be passed to the client.
* @return Zero if initialization was successful, non-zero otherwise.
*/
int guac_client_plugin_init_client(guac_client_plugin* plugin,
guac_client* client, int argc, char** argv);
#endif
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