Mercurial > dropbear
annotate kex.h @ 652:17962b2a6b8f
- Make sure we don't use channel-specific data after it has been freed
with a ChanType->closehandler()
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 04 Dec 2011 05:27:29 +0800 |
parents | 895fbe068f2c |
children | 2b1bb792cd4d d44325108d0e b07eb3dc23ec |
rev | line source |
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1 /* |
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2 * Dropbear - a SSH2 server |
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3 * |
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4 * Copyright (c) 2002,2003 Matt Johnston |
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5 * All rights reserved. |
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6 * |
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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8 * of this software and associated documentation files (the "Software"), to deal |
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9 * in the Software without restriction, including without limitation the rights |
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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11 * copies of the Software, and to permit persons to whom the Software is |
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12 * furnished to do so, subject to the following conditions: |
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13 * |
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14 * The above copyright notice and this permission notice shall be included in |
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15 * all copies or substantial portions of the Software. |
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16 * |
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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23 * SOFTWARE. */ |
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24 |
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25 #ifndef _KEX_H_ |
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26 #define _KEX_H_ |
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27 |
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28 #include "includes.h" |
26 | 29 #include "algo.h" |
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30 |
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31 void send_msg_kexinit(); |
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32 void recv_msg_kexinit(); |
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33 void send_msg_newkeys(); |
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34 void recv_msg_newkeys(); |
33 | 35 void kexfirstinitialise(); |
26 | 36 void gen_kexdh_vals(mp_int *dh_pub, mp_int *dh_priv); |
37 void kexdh_comb_key(mp_int *dh_pub_us, mp_int *dh_priv, mp_int *dh_pub_them, | |
38 sign_key *hostkey); | |
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39 |
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40 #ifndef DISABLE_ZLIB |
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41 int is_compress_trans(); |
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42 int is_compress_recv(); |
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43 #endif |
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44 |
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45 void recv_msg_kexdh_init(); /* server */ |
26 | 46 |
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47 void send_msg_kexdh_init(); /* client */ |
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48 void recv_msg_kexdh_reply(); /* client */ |
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49 |
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50 struct KEXState { |
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51 |
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52 unsigned sentkexinit : 1; /*set when we've sent/recv kexinit packet */ |
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53 unsigned recvkexinit : 1; |
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54 unsigned firstfollows : 1; /* true when first_kex_packet_follows is set */ |
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55 unsigned sentnewkeys : 1; /* set once we've send MSG_NEWKEYS (will be cleared once we have also received */ |
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56 unsigned recvnewkeys : 1; /* set once we've received MSG_NEWKEYS (cleared once we have also sent */ |
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57 |
33 | 58 unsigned donefirstkex : 1; /* Set to 1 after the first kex has completed, |
59 ie the transport layer has been set up */ | |
60 | |
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61 time_t lastkextime; /* time of the last kex */ |
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62 unsigned int datatrans; /* data transmitted since last kex */ |
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63 unsigned int datarecv; /* data received since last kex */ |
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64 |
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65 }; |
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66 |
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67 #define MAX_KEXHASHBUF 2000 |
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68 |
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69 #endif /* _KEX_H_ */ |