| 1 | /* |
1 | /* |
| 2 | connection.h -- header for connection.C |
2 | connection.h -- header for connection.C |
| 3 | Copyright (C) 2003-2005 Marc Lehmann <gvpe@schmorp.de> |
3 | Copyright (C) 2003-2008 Marc Lehmann <gvpe@schmorp.de> |
| 4 | |
4 | |
| 5 | This file is part of GVPE. |
5 | This file is part of GVPE. |
| 6 | |
6 | |
| 7 | GVPE is free software; you can redistribute it and/or modify |
7 | GVPE is free software; you can redistribute it and/or modify it |
| 8 | it under the terms of the GNU General Public License as published by |
8 | under the terms of the GNU General Public License as published by the |
| 9 | the Free Software Foundation; either version 2 of the License, or |
9 | Free Software Foundation; either version 3 of the License, or (at your |
| 10 | (at your option) any later version. |
10 | option) any later version. |
| 11 | |
11 | |
| 12 | 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, but |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
| 15 | GNU General Public License for more details. |
15 | Public License for more details. |
| 16 | |
16 | |
| 17 | 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 along |
| 18 | along with gvpe; if not, write to the Free Software |
18 | with this program; if not, see <http://www.gnu.org/licenses/>. |
| 19 | Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | |
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20 | Additional permission under GNU GPL version 3 section 7 |
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21 | |
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22 | If you modify this Program, or any covered work, by linking or |
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23 | combining it with the OpenSSL project's OpenSSL library (or a modified |
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24 | version of that library), containing parts covered by the terms of the |
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25 | OpenSSL or SSLeay licenses, the licensors of this Program grant you |
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26 | additional permission to convey the resulting work. Corresponding |
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27 | Source for a non-source form of such a combination shall include the |
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28 | source code for the parts of OpenSSL used as well as that of the |
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29 | covered work. |
| 20 | */ |
30 | */ |
| 21 | |
31 | |
| 22 | #ifndef GVPE_CONNECTION_H__ |
32 | #ifndef GVPE_CONNECTION_H__ |
| 23 | #define GVPE_CONNECTION_H__ |
33 | #define GVPE_CONNECTION_H__ |
| 24 | |
34 | |
| … | |
… | |
| 142 | |
152 | |
| 143 | sockinfo si; // the current(!) destination ip to send packets to |
153 | sockinfo si; // the current(!) destination ip to send packets to |
| 144 | int retry_cnt; |
154 | int retry_cnt; |
| 145 | |
155 | |
| 146 | tstamp last_activity; // time of last packet received |
156 | tstamp last_activity; // time of last packet received |
| 147 | tstamp last_establish_attempt; |
157 | tstamp last_establish_attempt; |
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158 | //tstamp last_si_change; // time we last changed the socket address |
| 148 | |
159 | |
| 149 | u32 oseqno; |
160 | u32 oseqno; |
| 150 | sliding_window iseqno; |
161 | sliding_window iseqno; |
| 151 | |
162 | |
| 152 | u8 protocol; |
163 | u8 protocol; |
| 153 | u8 features; |
164 | u8 features; |
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165 | bool is_direct; // current connection (si) is direct? |
| 154 | |
166 | |
| 155 | pkt_queue data_queue, vpn_queue; |
167 | pkt_queue data_queue, vpn_queue; |
| 156 | |
168 | |
| 157 | crypto_ctx *octx, *ictx; |
169 | crypto_ctx *octx, *ictx; |
| 158 | |
170 | |
| 159 | #if ENABLE_DNS |
171 | #if ENABLE_DNS |
| 160 | struct dns_connection *dns; |
172 | struct dns_connection *dns; |
| 161 | |
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| 162 | void dnsv4_reset_connection (); |
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| 163 | #endif |
173 | #endif |
| 164 | |
174 | |
| 165 | enum conf_node::connectmode connectmode; |
175 | enum conf_node::connectmode connectmode; |
| 166 | u8 prot_minor; // minor number of other side |
176 | u8 prot_minor; // minor number of other side |
| 167 | |
177 | |
| … | |
… | |
| 192 | void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); |
202 | void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); |
| 193 | |
203 | |
| 194 | void script_init_env (const char *ext); |
204 | void script_init_env (const char *ext); |
| 195 | void script_init_connect_env (); |
205 | void script_init_connect_env (); |
| 196 | const char *script_node_up (); |
206 | const char *script_node_up (); |
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207 | const char *script_node_change (); |
| 197 | const char *script_node_down (); |
208 | const char *script_node_down (); |
| 198 | |
209 | |
| 199 | void dump_status (); |
210 | void dump_status (); |
| 200 | |
211 | |
| 201 | connection (struct vpn *vpn, conf_node *conf); |
212 | connection (struct vpn *vpn, conf_node *conf); |
