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Comparing gvpe/src/connection.h (file contents):
Revision 1.12 by pcg, Sat Jan 17 01:18:36 2004 UTC vs.
Revision 1.27 by pcg, Mon Dec 5 12:58:09 2005 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"
… …
43 45
44//////////////////////////////////////////////////////////////////////////////////////// 46////////////////////////////////////////////////////////////////////////////////////////
45 47
46struct crypto_ctx; 48struct crypto_ctx;
47 49
48struct hmac_packet:net_packet 50struct hmac_packet : net_packet
49{ 51{
50 u8 hmac[HMACLENGTH]; // each and every packet has a hmac field, but that is not (yet) checked everywhere 52 u8 hmac[HMACLENGTH]; // each and every packet has a hmac field, but that is not (yet) checked everywhere
51 53
52 void hmac_set (crypto_ctx * ctx); 54 void hmac_set (crypto_ctx * ctx);
53 bool hmac_chk (crypto_ctx * ctx); 55 bool hmac_chk (crypto_ctx * ctx);
… …
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;
… …
109 112
110 pkt_queue (); 113 pkt_queue ();
111 ~pkt_queue (); 114 ~pkt_queue ();
112 }; 115 };
113 116
117enum
118 {
119 FEATURE_COMPRESSION = 0x01,
120 FEATURE_ROHC = 0x02,
121 FEATURE_BRIDGING = 0x04,
122 };
123
114struct connection 124struct connection
115 { 125 {
116 conf_node *conf; 126 conf_node *conf;
117 struct vpn *vpn; 127 struct vpn *vpn;
118 128
… …
123 133
124 u32 oseqno; 134 u32 oseqno;
125 sliding_window iseqno; 135 sliding_window iseqno;
126 136
127 u8 protocol; 137 u8 protocol;
138 u8 features;
128 139
129 pkt_queue data_queue, vpn_queue; 140 pkt_queue data_queue, vpn_queue;
130 141
131 crypto_ctx *octx, *ictx; 142 crypto_ctx *octx, *ictx;
143
144#if ENABLE_DNS
145 struct dns_connection *dns;
146
147 void dnsv4_reset_connection ();
148#endif
132 149
133 enum conf_node::connectmode connectmode; 150 enum conf_node::connectmode connectmode;
134 u8 prot_minor; // minor number of other side 151 u8 prot_minor; // minor number of other side
135 152
136 void reset_si (); 153 void reset_si ();
… …
153 void send_data_packet (tap_packet *pkt); 170 void send_data_packet (tap_packet *pkt);
154 171
155 void inject_data_packet (tap_packet *pkt, bool broadcast = false); 172 void inject_data_packet (tap_packet *pkt, bool broadcast = false);
156 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
157 174
175 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
158 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);
159 void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi);
160 177
178 void script_init_env (const char *ext);
161 void script_node (); 179 void script_init_connect_env ();
162 const char *script_node_up (); 180 const char *script_node_up ();
163 const char *script_node_down (); 181 const char *script_node_down ();
164 182
165 void dump_status (); 183 void dump_status ();
166 184
167 connection(struct vpn *vpn_); 185 connection (struct vpn *vpn, conf_node *conf);
168 ~connection (); 186 ~connection ();
169 }; 187 };
170 188
171#endif 189#endif
172 190

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