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Comparing gvpe/src/connection.h (file contents):
Revision 1.1 by pcg, Wed Apr 2 03:06:22 2003 UTC vs.
Revision 1.10 by pcg, Thu Oct 16 02:41:21 2003 UTC

1/* 1/*
2 connection.h -- header for connection.C 2 connection.h -- header for connection.C
3 Copyright (C) 2003 Marc Lehmann <pcg@goof.com>
3 4
4 This program is free software; you can redistribute it and/or modify 5 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by 6 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or 7 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version. 8 (at your option) any later version.
17*/ 18*/
18 19
19#ifndef VPE_CONNECTION_H__ 20#ifndef VPE_CONNECTION_H__
20#define VPE_CONNECTION_H__ 21#define VPE_CONNECTION_H__
21 22
22#include <netinet/ip.h> // for tos etc.
23
24#include <openssl/rand.h>
25#include <openssl/hmac.h> 23#include <openssl/hmac.h>
26#include <openssl/evp.h>
27#include <openssl/rsa.h>
28#include <openssl/err.h>
29 24
30#include "global.h" 25#include "global.h"
31#include "conf.h" 26#include "conf.h"
32#include "sockinfo.h" 27#include "sockinfo.h"
33#include "util.h" 28#include "util.h"
79 }; 74 };
80 75
81 u8 type; 76 u8 type;
82 u8 srcdst, src1, dst1; 77 u8 srcdst, src1, dst1;
83 78
84 void set_hdr (ptype type, unsigned int dst); 79 void set_hdr (ptype type_, unsigned int dst);
85 80
86 unsigned int src () const 81 unsigned int src () const
87 { 82 {
88 return src1 | ((srcdst >> 4) << 8); 83 return src1 | ((srcdst >> 4) << 8);
89 } 84 }
102//////////////////////////////////////////////////////////////////////////////////////// 97////////////////////////////////////////////////////////////////////////////////////////
103 98
104// a very simple fifo pkt-queue 99// a very simple fifo pkt-queue
105class pkt_queue 100class pkt_queue
106 { 101 {
107 tap_packet *queue[QUEUEDEPTH]; 102 net_packet *queue[QUEUEDEPTH];
108 int i, j; 103 int i, j;
109 104
110 public: 105 public:
111 106
112 void put (tap_packet *p); 107 void put (net_packet *p);
113 tap_packet *get (); 108 net_packet *get ();
114 109
115 pkt_queue (); 110 pkt_queue ();
116 ~pkt_queue (); 111 ~pkt_queue ();
117 }; 112 };
118 113
129 u32 oseqno; 124 u32 oseqno;
130 sliding_window iseqno; 125 sliding_window iseqno;
131 126
132 u8 protocol; 127 u8 protocol;
133 128
134 pkt_queue queue; 129 pkt_queue data_queue, vpn_queue;
135 130
136 crypto_ctx *octx, *ictx; 131 crypto_ctx *octx, *ictx;
137 132
138 enum conf_node::connectmode connectmode; 133 enum conf_node::connectmode connectmode;
139 u8 prot_minor; // minor number of other side 134 u8 prot_minor; // minor number of other side
140 135
141 void reset_dstaddr (); 136 void reset_si ();
137 const sockinfo &forward_si (const sockinfo &si) const;
142 138
143 void shutdown (); 139 void shutdown ();
140 void connection_established ();
144 void reset_connection (); 141 void reset_connection ();
145 void establish_connection_cb (tstamp &ts); time_watcher establish_connection;
146 void rekey_cb (tstamp &ts); time_watcher rekey; // next rekying (actually current reset + reestablishing)
147 void keepalive_cb (tstamp &ts); time_watcher keepalive; // next keepalive probe
148 142
143 void establish_connection_cb (time_watcher &w); time_watcher establish_connection;
144 void rekey_cb (time_watcher &w); time_watcher rekey; // next rekying (actually current reset + reestablishing)
145 void keepalive_cb (time_watcher &w); time_watcher keepalive; // next keepalive probe
146
147 void send_connect_request (int id);
149 void send_auth_request (const sockinfo &si, bool initiate); 148 void send_auth_request (const sockinfo &si, bool initiate);
150 void send_auth_response (const sockinfo &si, const rsaid &id, const rsachallenge &chg); 149 void send_auth_response (const sockinfo &si, const rsaid &id, const rsachallenge &chg);
151 void send_connect_info (int rid, const sockinfo &rsi, u8 rprotocols); 150 void send_connect_info (int rid, const sockinfo &rsi, u8 rprotocols);
152 void send_reset (const sockinfo &dsi); 151 void send_reset (const sockinfo &dsi);
153 void send_ping (const sockinfo &dsi, u8 pong = 0); 152 void send_ping (const sockinfo &dsi, u8 pong = 0);
154 void send_data_packet (tap_packet *pkt, bool broadcast = false); 153 void send_data_packet (tap_packet *pkt);
154
155 void inject_data_packet (tap_packet *pkt, bool broadcast = false); 155 void inject_data_packet (tap_packet *pkt, bool broadcast = false);
156 void connect_request (int id); 156 void inject_vpn_packet (vpn_packet *pkt, int tos = 0); // for forwarding
157 157
158 void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = IPTOS_RELIABILITY); 158 void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0);
159 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); 159 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
160 160
161 void script_node (); 161 void script_node ();
162 const char *script_node_up (int); 162 const char *script_node_up ();
163 const char *script_node_down (int); 163 const char *script_node_down ();
164 164
165 void dump_status (); 165 void dump_status ();
166 166
167 connection(struct vpn *vpn_); 167 connection(struct vpn *vpn_);
168 ~connection (); 168 ~connection ();

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