Mercurial > dropbear
annotate listener.h @ 1665:7c17995bcdfb
Improve address logging on early exit messages (#83)
Change 'Early exit' and 'Exit before auth' messages to include the IP
address & port as part of the message.
This allows log scanning utilities such as 'fail2ban' to obtain the
offending IP address as part of the failure event instead of extracting
the PID from the message and then scanning the log again for match
'child connection from' messages
Signed-off-by: Kevin Darbyshire-Bryant <[email protected]>
author | Kevin Darbyshire-Bryant <6500011+ldir-EDB0@users.noreply.github.com> |
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date | Wed, 18 Mar 2020 15:28:56 +0000 |
parents | 58a74cb829b8 |
children |
rev | line source |
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1 /* |
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2 * Dropbear SSH |
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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 DROPBEAR_LISTENER_H |
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26 #define DROPBEAR_LISTENER_H |
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27 |
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28 #define MAX_LISTENERS 20 |
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29 #define LISTENER_EXTEND_SIZE 1 |
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30 |
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31 struct Listener { |
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32 |
62 | 33 int socks[DROPBEAR_MAX_SOCKS]; |
34 unsigned int nsocks; | |
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35 |
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36 int index; /* index in the array of listeners */ |
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37 |
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38 void (*acceptor)(const struct Listener*, int sock); |
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39 void (*cleanup)(const struct Listener*); |
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40 |
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41 int type; /* CHANNEL_ID_X11, CHANNEL_ID_AGENT, |
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42 CHANNEL_ID_TCPDIRECT (for clients), |
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43 CHANNEL_ID_TCPFORWARDED (for servers) */ |
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44 |
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45 void *typedata; |
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46 |
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47 }; |
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48 |
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49 void listeners_initialise(void); |
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50 void handle_listeners(const fd_set * readfds); |
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51 void set_listener_fds(fd_set * readfds); |
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52 |
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53 struct Listener* new_listener(const int socks[], unsigned int nsocks, |
62 | 54 int type, void* typedata, |
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55 void (*acceptor)(const struct Listener* listener, int sock), |
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56 void (*cleanup)(const struct Listener*)); |
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57 |
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58 struct Listener * get_listener(int type, const void* typedata, |
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59 int (*match)(const void*, const void*)); |
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60 |
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61 void remove_listener(struct Listener* listener); |
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62 |
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63 void remove_all_listeners(void); |
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64 |
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65 #endif /* DROPBEAR_LISTENER_H */ |