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/*
This file is part of libmicrohttpd
Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file lib/connection_info.c
* @brief implementation of MHD_connection_get_information_sz()
* @author Christian Grothoff
*/
#include "internal.h"
/**
* Obtain information about the given connection.
* Use wrapper macro #MHD_connection_get_information() instead of direct use
* of this function.
*
* @param connection what connection to get information about
* @param info_type what information is desired?
* @param[out] return_value pointer to union where requested information will
* be stored
* @param return_value_size size of union MHD_ConnectionInformation at compile
* time
* @return #MHD_YES on success, #MHD_NO on error
* (@a info_type is unknown, NULL pointer etc.)
* @ingroup specialized
*/
enum MHD_Bool
MHD_connection_get_information_sz (struct MHD_Connection *connection,
enum MHD_ConnectionInformationType info_type,
union MHD_ConnectionInformation *return_value,
size_t return_value_size)
{
#define CHECK_SIZE(type) if (sizeof(type) < return_value_size) \
return MHD_NO
switch (info_type)
{
#ifdef HTTPS_SUPPORT
case MHD_CONNECTION_INFORMATION_CIPHER_ALGO:
CHECK_SIZE (int);
if (NULL == connection->tls_cs)
return MHD_NO;
// return_value->cipher_algorithm
// = gnutls_cipher_get (connection->tls_session);
return MHD_NO; // FIXME: to be implemented
case MHD_CONNECTION_INFORMATION_PROTOCOL:
CHECK_SIZE (int);
if (NULL == connection->tls_cs)
return MHD_NO;
//return_value->protocol
// = gnutls_protocol_get_version (connection->tls_session);
return MHD_NO; // FIXME: to be implemented
case MHD_CONNECTION_INFORMATION_GNUTLS_SESSION:
CHECK_SIZE (void *);
if (NULL == connection->tls_cs)
return MHD_NO;
// return_value->tls_session = connection->tls_session;
return MHD_NO; // FIXME: to be implemented
#endif /* HTTPS_SUPPORT */
case MHD_CONNECTION_INFORMATION_CLIENT_ADDRESS:
CHECK_SIZE (struct sockaddr *);
return_value->client_addr
= (const struct sockaddr *) &connection->addr;
return MHD_YES;
case MHD_CONNECTION_INFORMATION_DAEMON:
CHECK_SIZE (struct MHD_Daemon *);
return_value->daemon = connection->daemon;
return MHD_YES;
case MHD_CONNECTION_INFORMATION_CONNECTION_FD:
CHECK_SIZE (MHD_socket);
return_value->connect_fd = connection->socket_fd;
return MHD_YES;
case MHD_CONNECTION_INFORMATION_SOCKET_CONTEXT:
CHECK_SIZE (void **);
return_value->socket_context = &connection->socket_context;
return MHD_YES;
case MHD_CONNECTION_INFORMATION_CONNECTION_SUSPENDED:
CHECK_SIZE (enum MHD_Bool);
return_value->suspended
= connection->suspended ? MHD_YES : MHD_NO;
return MHD_YES;
case MHD_CONNECTION_INFORMATION_CONNECTION_TIMEOUT:
CHECK_SIZE (unsigned int);
return_value->connection_timeout
= (unsigned int) connection->connection_timeout;
return MHD_YES;
default:
return MHD_NO;
}
#undef CHECK_SIZE
}
/* end of connection_info.c */
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