BadVPN – Blame information for rev 1
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1 | office | 1 | /** |
2 | * @file PeerChat.h |
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3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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4 | * |
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5 | * @section LICENSE |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions are met: |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * 2. Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * 3. Neither the name of the author nor the |
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15 | * names of its contributors may be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #ifndef BADVPN_PEERCHAT_H |
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31 | #define BADVPN_PEERCHAT_H |
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32 | |||
33 | #include <nss/cert.h> |
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34 | #include <nss/keyhi.h> |
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35 | |||
36 | #include <protocol/packetproto.h> |
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37 | #include <protocol/scproto.h> |
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38 | #include <misc/debug.h> |
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39 | #include <misc/debugerror.h> |
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40 | #include <base/DebugObject.h> |
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41 | #include <base/BPending.h> |
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42 | #include <base/BLog.h> |
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43 | #include <flow/SinglePacketSender.h> |
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44 | #include <flow/PacketProtoEncoder.h> |
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45 | #include <flow/PacketCopier.h> |
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46 | #include <flow/StreamPacketSender.h> |
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47 | #include <flow/PacketStreamSender.h> |
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48 | #include <flow/SinglePacketBuffer.h> |
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49 | #include <flow/PacketProtoDecoder.h> |
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50 | #include <flow/PacketBuffer.h> |
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51 | #include <flow/BufferWriter.h> |
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52 | #include <nspr_support/BSSLConnection.h> |
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53 | #include <client/SCOutmsgEncoder.h> |
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54 | #include <client/SimpleStreamBuffer.h> |
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55 | |||
56 | #define PEERCHAT_SSL_NONE 0 |
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57 | #define PEERCHAT_SSL_CLIENT 1 |
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58 | #define PEERCHAT_SSL_SERVER 2 |
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59 | |||
60 | #define PEERCHAT_SSL_RECV_BUF_SIZE 4096 |
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61 | #define PEERCHAT_SEND_BUF_SIZE 200 |
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62 | |||
63 | //#define PEERCHAT_SIMULATE_ERROR 40 |
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64 | |||
65 | typedef void (*PeerChat_handler_error) (void *user); |
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66 | typedef void (*PeerChat_handler_message) (void *user, uint8_t *data, int data_len); |
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67 | |||
68 | typedef struct { |
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69 | int ssl_mode; |
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70 | CERTCertificate *ssl_cert; |
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71 | SECKEYPrivateKey *ssl_key; |
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72 | uint8_t *ssl_peer_cert; |
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73 | int ssl_peer_cert_len; |
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74 | void *user; |
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75 | BLog_logfunc logfunc; |
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76 | PeerChat_handler_error handler_error; |
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77 | PeerChat_handler_message handler_message; |
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78 | |||
79 | // transport |
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80 | PacketProtoEncoder pp_encoder; |
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81 | SCOutmsgEncoder sc_encoder; |
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82 | PacketCopier copier; |
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83 | BPending recv_job; |
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84 | uint8_t *recv_data; |
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85 | int recv_data_len; |
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86 | |||
87 | // SSL transport |
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88 | StreamPacketSender ssl_sp_sender; |
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89 | SimpleStreamBuffer ssl_recv_buf; |
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90 | |||
91 | // SSL connection |
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92 | PRFileDesc ssl_bottom_prfd; |
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93 | PRFileDesc *ssl_prfd; |
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94 | BSSLConnection ssl_con; |
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95 | |||
96 | // SSL higher layer |
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97 | PacketStreamSender ssl_ps_sender; |
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98 | SinglePacketBuffer ssl_buffer; |
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99 | PacketProtoEncoder ssl_encoder; |
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100 | PacketCopier ssl_copier; |
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101 | PacketProtoDecoder ssl_recv_decoder; |
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102 | PacketPassInterface ssl_recv_if; |
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103 | |||
104 | // higher layer send buffer |
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105 | PacketBuffer send_buf; |
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106 | BufferWriter send_writer; |
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107 | |||
108 | DebugError d_err; |
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109 | DebugObject d_obj; |
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110 | } PeerChat; |
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111 | |||
112 | 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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113 | uint8_t *ssl_peer_cert, int ssl_peer_cert_len, BPendingGroup *pg, BThreadWorkDispatcher *twd, void *user, |
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114 | BLog_logfunc logfunc, |
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115 | PeerChat_handler_error handler_error, |
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116 | PeerChat_handler_message handler_message) WARN_UNUSED; |
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117 | void PeerChat_Free (PeerChat *o); |
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118 | PacketRecvInterface * PeerChat_GetSendOutput (PeerChat *o); |
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119 | void PeerChat_InputReceived (PeerChat *o, uint8_t *data, int data_len); |
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120 | int PeerChat_StartMessage (PeerChat *o, uint8_t **data) WARN_UNUSED; |
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121 | void PeerChat_EndMessage (PeerChat *o, int data_len); |
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122 | |||
123 | #endif |