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 | |
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5 | This file is part of GVPE. |
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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. 59 Temple Place, Suite 330, Boston, MA 02111-1307 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" |
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109 | |
111 | |
110 | pkt_queue (); |
112 | pkt_queue (); |
111 | ~pkt_queue (); |
113 | ~pkt_queue (); |
112 | }; |
114 | }; |
113 | |
115 | |
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116 | enum |
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117 | { |
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118 | FEATURE_COMPRESSION = 0x01, |
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119 | FEATURE_ROHC = 0x02, |
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120 | }; |
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121 | |
114 | struct connection |
122 | struct connection |
115 | { |
123 | { |
116 | conf_node *conf; |
124 | conf_node *conf; |
117 | struct vpn *vpn; |
125 | struct vpn *vpn; |
118 | |
126 | |
… | |
… | |
123 | |
131 | |
124 | u32 oseqno; |
132 | u32 oseqno; |
125 | sliding_window iseqno; |
133 | sliding_window iseqno; |
126 | |
134 | |
127 | u8 protocol; |
135 | u8 protocol; |
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136 | u8 features; |
128 | |
137 | |
129 | pkt_queue data_queue, vpn_queue; |
138 | pkt_queue data_queue, vpn_queue; |
130 | |
139 | |
131 | crypto_ctx *octx, *ictx; |
140 | crypto_ctx *octx, *ictx; |
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141 | |
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142 | #if ENABLE_DNS |
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143 | struct dns_connection *dns; |
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144 | |
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145 | void dnsv4_reset_connection (); |
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146 | #endif |
132 | |
147 | |
133 | enum conf_node::connectmode connectmode; |
148 | enum conf_node::connectmode connectmode; |
134 | u8 prot_minor; // minor number of other side |
149 | u8 prot_minor; // minor number of other side |
135 | |
150 | |
136 | void reset_si (); |
151 | void reset_si (); |
… | |
… | |
153 | void send_data_packet (tap_packet *pkt); |
168 | void send_data_packet (tap_packet *pkt); |
154 | |
169 | |
155 | void inject_data_packet (tap_packet *pkt, bool broadcast = false); |
170 | void inject_data_packet (tap_packet *pkt, bool broadcast = false); |
156 | void inject_vpn_packet (vpn_packet *pkt, int tos = 0); // for forwarding |
171 | void inject_vpn_packet (vpn_packet *pkt, int tos = 0); // for forwarding |
157 | |
172 | |
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173 | void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); |
158 | void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); |
174 | void send_vpn_packet (vpn_packet *pkt, const sockinfo &si, int tos = 0); |
159 | void recv_vpn_packet (vpn_packet *pkt, const sockinfo &rsi); |
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160 | |
175 | |
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176 | void script_init_env (const char *ext); |
161 | void script_node (); |
177 | void script_init_connect_env (); |
162 | const char *script_node_up (); |
178 | const char *script_node_up (); |
163 | const char *script_node_down (); |
179 | const char *script_node_down (); |
164 | |
180 | |
165 | void dump_status (); |
181 | void dump_status (); |
166 | |
182 | |
167 | connection(struct vpn *vpn_); |
183 | connection (struct vpn *vpn, conf_node *conf); |
168 | ~connection (); |
184 | ~connection (); |
169 | }; |
185 | }; |
170 | |
186 | |
171 | #endif |
187 | #endif |
172 | |
188 | |