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Comparing gvpe/src/connection.h (file contents):
Revision 1.16 by pcg, Wed Mar 2 05:49:31 2005 UTC vs.
Revision 1.28 by pcg, Sat Nov 10 05:14:22 2007 UTC

1/* 1/*
2 connection.h -- header for connection.C 2 connection.h -- header for connection.C
3 Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com> 3 Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de>
4 4
5 This file is part of GVPE.
6
5 This program is free software; you can redistribute it and/or modify 7 GVPE is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by 8 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or 9 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version. 10 (at your option) any later version.
9 11
10 This program is distributed in the hope that it will be useful, 12 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details. 15 GNU General Public License for more details.
14 16
15 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software 18 along with gvpe; if not, write to the Free Software
17 Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18*/ 20*/
19 21
20#ifndef VPE_CONNECTION_H__ 22#ifndef GVPE_CONNECTION_H__
21#define VPE_CONNECTION_H__ 23#define GVPE_CONNECTION_H__
22 24
23#include <openssl/hmac.h> 25#include <openssl/hmac.h>
24 26
25#include "global.h" 27#include "global.h"
26#include "conf.h" 28#include "conf.h"
66 PT_DATA_UNCOMPRESSED, 68 PT_DATA_UNCOMPRESSED,
67 PT_DATA_COMPRESSED, 69 PT_DATA_COMPRESSED,
68 PT_PING, PT_PONG, // wasting namespace space? ;) 70 PT_PING, PT_PONG, // wasting namespace space? ;)
69 PT_AUTH_REQ, // authentification request 71 PT_AUTH_REQ, // authentification request
70 PT_AUTH_RES, // authentification response 72 PT_AUTH_RES, // authentification response
71 PT_CONNECT_REQ, // want other host to contact me 73 PT_CONNECT_REQ, // want other node to contact me
72 PT_CONNECT_INFO, // request connection to some node 74 PT_CONNECT_INFO, // request connection to some node
75 PT_DATA_BRIDGED, // uncompressed packet with foreign mac pot. larger than path mtu
73 PT_MAX 76 PT_MAX
74 }; 77 };
75 78
76 u8 type; 79 u8 type;
77 u8 srcdst, src1, dst1; 80 u8 srcdst, src1, dst1;
113 116
114enum 117enum
115 { 118 {
116 FEATURE_COMPRESSION = 0x01, 119 FEATURE_COMPRESSION = 0x01,
117 FEATURE_ROHC = 0x02, 120 FEATURE_ROHC = 0x02,
121 FEATURE_BRIDGING = 0x04,
118 }; 122 };
119 123
120struct connection 124struct connection
121 { 125 {
122 conf_node *conf; 126 conf_node *conf;
136 pkt_queue data_queue, vpn_queue; 140 pkt_queue data_queue, vpn_queue;
137 141
138 crypto_ctx *octx, *ictx; 142 crypto_ctx *octx, *ictx;
139 143
140#if ENABLE_DNS 144#if ENABLE_DNS
141 sockinfo dns_si; 145 struct dns_connection *dns;
142 146
143 struct byte_stream *dns_rcvdq; int dns_rcvseq; 147 void dnsv4_reset_connection ();
144 struct byte_stream *dns_snddq; int dns_sndseq;
145
146 void dnsv4_cb (time_watcher &w); time_watcher dnsv4_tw;
147 bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos);
148#endif 148#endif
149 149
150 enum conf_node::connectmode connectmode; 150 enum conf_node::connectmode connectmode;
151 u8 prot_minor; // minor number of other side 151 u8 prot_minor; // minor number of other side
152 152
155 155
156 void shutdown (); 156 void shutdown ();
157 void connection_established (); 157 void connection_established ();
158 void reset_connection (); 158 void reset_connection ();
159 159
160 void establish_connection_cb (time_watcher &w); time_watcher establish_connection; 160 void establish_connection_cb (ev::timer &w, int revents); ev::timer establish_connection;
161 void rekey_cb (time_watcher &w); time_watcher rekey; // next rekying (actually current reset + reestablishing) 161 void rekey_cb (ev::timer &w, int revents); ev::timer rekey; // next rekying (actually current reset + reestablishing)
162 void keepalive_cb (time_watcher &w); time_watcher keepalive; // next keepalive probe 162 void keepalive_cb (ev::timer &w, int revents); ev::timer keepalive; // next keepalive probe
163 163
164 void send_connect_request (int id); 164 void send_connect_request (int id);
165 void send_auth_request (const sockinfo &si, bool initiate); 165 void send_auth_request (const sockinfo &si, bool initiate);
166 void send_auth_response (const sockinfo &si, const rsaid &id, const rsachallenge &chg); 166 void send_auth_response (const sockinfo &si, const rsaid &id, const rsachallenge &chg);
167 void send_connect_info (int rid, const sockinfo &rsi, u8 rprotocols); 167 void send_connect_info (int rid, const sockinfo &rsi, u8 rprotocols);
170 void send_data_packet (tap_packet *pkt); 170 void send_data_packet (tap_packet *pkt);
171 171
172 void inject_data_packet (tap_packet *pkt, bool broadcast = false); 172 void inject_data_packet (tap_packet *pkt, bool broadcast = false);
173 void inject_vpn_packet (vpn_packet *pkt, int tos = 0); // for forwarding 173 void inject_vpn_packet (vpn_packet *pkt, int tos = 0); // for forwarding
174 174
175 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
175 void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); 176 void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0);
176 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
177 177
178 void script_init_env (const char *ext);
178 void script_node (); 179 void script_init_connect_env ();
179 const char *script_node_up (); 180 const char *script_node_up ();
180 const char *script_node_down (); 181 const char *script_node_down ();
181 182
182 void dump_status (); 183 void dump_status ();
183 184

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