100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
|
/*
|
||
|
* Copyright (C) 2014 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 GUACD_CONNECTION_H
|
||
|
#define GUACD_CONNECTION_H
|
||
|
|
||
|
#include "config.h"
|
||
|
|
||
|
#include "proc-map.h"
|
||
|
|
||
|
#ifdef ENABLE_SSL
|
||
|
#include <openssl/ssl.h>
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* Parameters required by each connection thread.
|
||
|
*/
|
||
|
typedef struct guacd_connection_thread_params {
|
||
|
|
||
|
/**
|
||
|
* The shared map of all connected clients.
|
||
|
*/
|
||
|
guacd_proc_map* map;
|
||
|
|
||
|
#ifdef ENABLE_SSL
|
||
|
/**
|
||
|
* SSL context for encrypted connections to guacd. If SSL is not active,
|
||
|
* this will be NULL.
|
||
|
*/
|
||
|
SSL_CTX* ssl_context;
|
||
|
#endif
|
||
|
|
||
|
/**
|
||
|
* The file descriptor associated with the newly-accepted connection.
|
||
|
*/
|
||
|
int connected_socket_fd;
|
||
|
|
||
|
} guacd_connection_thread_params;
|
||
|
|
||
|
/**
|
||
|
* Handles an inbound connection to guacd, allowing guacd to continue listening
|
||
|
* for other connections. It is expected that this thread will operate
|
||
|
* detached. The creating process need not join on the resulting thread.
|
||
|
*/
|
||
|
void* guacd_connection_thread(void* data);
|
||
|
|
||
|
/**
|
||
|
* Parameters required by the per-connection I/O transfer thread.
|
||
|
*/
|
||
|
typedef struct guacd_connection_io_thread_params {
|
||
|
|
||
|
/**
|
||
|
* The guac_parser which may contain buffered, but unparsed, data from the
|
||
|
* original guac_socket which must be transferred to the
|
||
|
* connection-specific process.
|
||
|
*/
|
||
|
guac_parser* parser;
|
||
|
|
||
|
/**
|
||
|
* The guac_socket which is directly handling I/O from a user's connection
|
||
|
* to guacd.
|
||
|
*/
|
||
|
guac_socket* socket;
|
||
|
|
||
|
/**
|
||
|
* The file descriptor which is being handled by a guac_socket within the
|
||
|
* connection-specific process.
|
||
|
*/
|
||
|
int fd;
|
||
|
|
||
|
} guacd_connection_io_thread_params;
|
||
|
|
||
|
/**
|
||
|
* Transfers data back and forth between the guacd-side guac_socket and the
|
||
|
* file descriptor used by the process-side guac_socket.
|
||
|
*/
|
||
|
void* guacd_connection_io_thread(void* data);
|
||
|
|
||
|
#endif
|
||
|
|