LeOS-Genesis/external/badvpn/client/PeerChat.h

124 lines
4.3 KiB
C

/**
* @file PeerChat.h
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BADVPN_PEERCHAT_H
#define BADVPN_PEERCHAT_H
#include <cert.h>
#include <keyhi.h>
#include <protocol/packetproto.h>
#include <protocol/scproto.h>
#include <misc/debug.h>
#include <misc/debugerror.h>
#include <base/DebugObject.h>
#include <base/BPending.h>
#include <base/BLog.h>
#include <flow/SinglePacketSender.h>
#include <flow/PacketProtoEncoder.h>
#include <flow/PacketCopier.h>
#include <flow/StreamPacketSender.h>
#include <flow/PacketStreamSender.h>
#include <flow/SinglePacketBuffer.h>
#include <flow/PacketProtoDecoder.h>
#include <flow/PacketBuffer.h>
#include <flow/BufferWriter.h>
#include <nspr_support/BSSLConnection.h>
#include <client/SCOutmsgEncoder.h>
#include <client/SimpleStreamBuffer.h>
#define PEERCHAT_SSL_NONE 0
#define PEERCHAT_SSL_CLIENT 1
#define PEERCHAT_SSL_SERVER 2
#define PEERCHAT_SSL_RECV_BUF_SIZE 4096
#define PEERCHAT_SEND_BUF_SIZE 200
//#define PEERCHAT_SIMULATE_ERROR 40
typedef void (*PeerChat_handler_error) (void *user);
typedef void (*PeerChat_handler_message) (void *user, uint8_t *data, int data_len);
typedef struct {
int ssl_mode;
CERTCertificate *ssl_cert;
SECKEYPrivateKey *ssl_key;
uint8_t *ssl_peer_cert;
int ssl_peer_cert_len;
void *user;
BLog_logfunc logfunc;
PeerChat_handler_error handler_error;
PeerChat_handler_message handler_message;
// transport
PacketProtoEncoder pp_encoder;
SCOutmsgEncoder sc_encoder;
PacketCopier copier;
BPending recv_job;
uint8_t *recv_data;
int recv_data_len;
// SSL transport
StreamPacketSender ssl_sp_sender;
SimpleStreamBuffer ssl_recv_buf;
// SSL connection
PRFileDesc ssl_bottom_prfd;
PRFileDesc *ssl_prfd;
BSSLConnection ssl_con;
// SSL higher layer
PacketStreamSender ssl_ps_sender;
SinglePacketBuffer ssl_buffer;
PacketProtoEncoder ssl_encoder;
PacketCopier ssl_copier;
PacketProtoDecoder ssl_recv_decoder;
PacketPassInterface ssl_recv_if;
// higher layer send buffer
PacketBuffer send_buf;
BufferWriter send_writer;
DebugError d_err;
DebugObject d_obj;
} PeerChat;
int PeerChat_Init (PeerChat *o, peerid_t peer_id, int ssl_mode, int ssl_flags, CERTCertificate *ssl_cert, SECKEYPrivateKey *ssl_key,
uint8_t *ssl_peer_cert, int ssl_peer_cert_len, BPendingGroup *pg, BThreadWorkDispatcher *twd, void *user,
BLog_logfunc logfunc,
PeerChat_handler_error handler_error,
PeerChat_handler_message handler_message) WARN_UNUSED;
void PeerChat_Free (PeerChat *o);
PacketRecvInterface * PeerChat_GetSendOutput (PeerChat *o);
void PeerChat_InputReceived (PeerChat *o, uint8_t *data, int data_len);
int PeerChat_StartMessage (PeerChat *o, uint8_t **data) WARN_UNUSED;
void PeerChat_EndMessage (PeerChat *o, int data_len);
#endif