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