Mercurial > dropbear

annotate listener.h @ 369:8eaa6e3ca6eb

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make code clearer and more robust (from Klocwork)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 02 Nov 2006 14:55:17 +0000
parents e3adf4cf5465
children deed0571cacc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 _LISTENER_H
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26 #define _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
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33 int socks[DROPBEAR_MAX_SOCKS];
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34 unsigned int nsocks;
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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)(struct Listener*, int sock);
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39 void (*cleanup)(struct Listener*);
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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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45 void *typedata;
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47 };
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48
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49 void listeners_initialise();
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50 void handle_listeners(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(int socks[], unsigned int nsocks,
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54 int type, void* typedata,
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55 void (*acceptor)(struct Listener* listener, int sock),
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56 void (*cleanup)(struct Listener*));
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57
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58 struct Listener * get_listener(int type, void* typedata,
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59 int (*match)(void*, void*));
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60
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61 void remove_listener(struct Listener* listener);
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63 #endif /* _LISTENER_H */