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annotate packet.h @ 1292:432b0a030fd6

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Avoid busy loop while waiting for rekey response
author Matt Johnston <matt@ucc.asn.au>
date Fri, 29 Apr 2016 23:04:10 +0800
parents 9169e4e7cbee
children 399d8eb961b5
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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 DROPBEAR_PACKET_H_
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27 #define DROPBEAR_PACKET_H_
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29 #include "includes.h"
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30 #include "queue.h"
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31 #include "buffer.h"
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33 void write_packet(void);
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34 void read_packet(void);
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35 void decrypt_packet(void);
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36 void encrypt_packet(void);
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38 void writebuf_enqueue(buffer * writebuf, unsigned char packet_type);
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40 void process_packet(void);
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42 void maybe_flush_reply_queue(void);
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43 typedef struct PacketType {
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44 unsigned char type; /* SSH_MSG_FOO */
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45 void (*handler)(void);
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46 } packettype;
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48 #define PACKET_PADDING_OFF 4
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49 #define PACKET_PAYLOAD_OFF 5
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51 #define INIT_READBUF 128
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53 #endif /* DROPBEAR_PACKET_H_ */