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 | Copyright (C) 2003-2004 Marc Lehmann <pcg@goof.com> |
4 | |
4 | |
5 | 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 |
6 | 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 |
7 | the Free Software Foundation; either version 2 of the License, or |
7 | the Free Software Foundation; either version 2 of the License, or |
8 | (at your option) any later version. |
8 | (at your option) any later version. |
… | |
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35 | |
35 | |
36 | struct rsaid { |
36 | struct rsaid { |
37 | u8 id[RSA_IDLEN]; // the challenge id |
37 | u8 id[RSA_IDLEN]; // the challenge id |
38 | }; |
38 | }; |
39 | |
39 | |
40 | typedef u8 rsachallenge[RSA_KEYLEN - RSA_OVERHEAD]; // challenge data; |
40 | typedef rsaclear rsachallenge; // challenge data; |
41 | typedef u8 rsaencrdata[RSA_KEYLEN]; // encrypted challenge |
41 | typedef rsacrypt rsaencrdata; // encrypted challenge |
42 | typedef u8 rsaresponse[RSA_RESLEN]; // the encrypted ripemd160 hash |
42 | typedef u8 rsaresponse[RSA_RESLEN]; // the encrypted ripemd160 hash |
43 | |
43 | |
44 | //////////////////////////////////////////////////////////////////////////////////////// |
44 | //////////////////////////////////////////////////////////////////////////////////////// |
45 | |
45 | |
46 | struct crypto_ctx; |
46 | struct crypto_ctx; |
47 | |
47 | |
48 | struct hmac_packet:net_packet |
48 | struct hmac_packet : net_packet |
49 | { |
49 | { |
50 | u8 hmac[HMACLENGTH]; // each and every packet has a hmac field, but that is not (yet) checked everywhere |
50 | u8 hmac[HMACLENGTH]; // each and every packet has a hmac field, but that is not (yet) checked everywhere |
51 | |
51 | |
52 | void hmac_set (crypto_ctx * ctx); |
52 | void hmac_set (crypto_ctx * ctx); |
53 | bool hmac_chk (crypto_ctx * ctx); |
53 | bool hmac_chk (crypto_ctx * ctx); |
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109 | |
109 | |
110 | pkt_queue (); |
110 | pkt_queue (); |
111 | ~pkt_queue (); |
111 | ~pkt_queue (); |
112 | }; |
112 | }; |
113 | |
113 | |
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114 | enum |
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115 | { |
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116 | FEATURE_COMPRESSION = 0x01, |
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117 | FEATURE_ROHC = 0x02, |
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118 | }; |
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119 | |
114 | struct connection |
120 | struct connection |
115 | { |
121 | { |
116 | conf_node *conf; |
122 | conf_node *conf; |
117 | struct vpn *vpn; |
123 | struct vpn *vpn; |
118 | |
124 | |
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123 | |
129 | |
124 | u32 oseqno; |
130 | u32 oseqno; |
125 | sliding_window iseqno; |
131 | sliding_window iseqno; |
126 | |
132 | |
127 | u8 protocol; |
133 | u8 protocol; |
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134 | u8 features; |
128 | |
135 | |
129 | pkt_queue data_queue, vpn_queue; |
136 | pkt_queue data_queue, vpn_queue; |
130 | |
137 | |
131 | crypto_ctx *octx, *ictx; |
138 | crypto_ctx *octx, *ictx; |
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139 | |
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140 | #if ENABLE_DNS |
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141 | sockinfo dns_si; |
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142 | |
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143 | struct byte_stream *dns_rcvdq; int dns_rcvseq; |
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144 | struct byte_stream *dns_snddq; int dns_sndseq; |
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145 | |
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146 | void dnsv4_cb (time_watcher &w); time_watcher dnsv4_tw; |
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147 | bool send_dnsv4_packet (vpn_packet *pkt, const sockinfo &si, int tos); |
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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 (); |
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162 | const char *script_node_up (); |
179 | const char *script_node_up (); |
163 | const char *script_node_down (); |
180 | const char *script_node_down (); |
164 | |
181 | |
165 | void dump_status (); |
182 | void dump_status (); |
166 | |
183 | |
167 | connection(struct vpn *vpn_); |
184 | connection (struct vpn *vpn, conf_node *conf); |
168 | ~connection (); |
185 | ~connection (); |
169 | }; |
186 | }; |
170 | |
187 | |
171 | #endif |
188 | #endif |
172 | |
189 | |