1 /*This file has been prepared for Doxygen automatic documentation generation.*/
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2 /*! \file *********************************************************************
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4 * \brief Basic TFTP Server for AVR32 UC3.
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6 * - Compiler: GNU GCC for AVR32
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7 * - Supported devices: All AVR32 devices can be used.
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10 * \author Atmel Corporation: http://www.atmel.com \n
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11 * Support and FAQ: http://support.atmel.no/
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13 *****************************************************************************/
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15 /* Copyright (c) 2007, Atmel Corporation All rights reserved.
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17 * Redistribution and use in source and binary forms, with or without
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18 * modification, are permitted provided that the following conditions are met:
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20 * 1. Redistributions of source code must retain the above copyright notice,
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21 * this list of conditions and the following disclaimer.
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23 * 2. Redistributions in binary form must reproduce the above copyright notice,
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24 * this list of conditions and the following disclaimer in the documentation
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25 * and/or other materials provided with the distribution.
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27 * 3. The name of ATMEL may not be used to endorse or promote products derived
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28 * from this software without specific prior written permission.
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30 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
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31 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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32 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
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33 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
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34 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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35 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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36 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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37 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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39 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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43 #ifndef BASIC_TFTP_SERVER_H
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44 #define BASIC_TFTP_SERVER_H
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46 #include "portmacro.h"
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48 /* tftp_support.h */
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51 * File transfer modes
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53 #define TFTP_NETASCII 0 // Text files
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54 #define TFTP_OCTET 1 // Binary files
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60 // These initial 7 are passed across the net in "ERROR" packets.
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61 #define TFTP_ENOTFOUND 1 /* file not found */
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62 #define TFTP_EACCESS 2 /* access violation */
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63 #define TFTP_ENOSPACE 3 /* disk full or allocation exceeded */
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64 #define TFTP_EBADOP 4 /* illegal TFTP operation */
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65 #define TFTP_EBADID 5 /* unknown transfer ID */
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66 #define TFTP_EEXISTS 6 /* file already exists */
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67 #define TFTP_ENOUSER 7 /* no such user */
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68 // These extensions are return codes in our API, *never* passed on the net.
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69 #define TFTP_TIMEOUT 8 /* operation timed out */
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70 #define TFTP_NETERR 9 /* some sort of network error */
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71 #define TFTP_INVALID 10 /* invalid parameter */
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72 #define TFTP_PROTOCOL 11 /* protocol violation */
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73 #define TFTP_TOOLARGE 12 /* file is larger than buffer */
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75 #define TFTP_TIMEOUT_PERIOD 5 // Seconds between retries
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76 #define TFTP_TIMEOUT_MAX 50 // Max timeouts over all blocks
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77 #define TFTP_RETRIES_MAX 5 // retries per block before giving up
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80 // Internet services
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82 char *s_name; /* official service name */
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83 char **s_aliases; /* alias list */
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84 int s_port; /* port number */
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85 char *s_proto; /* protocol to use */
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91 * Trivial File Transfer Protocol (IEN-133)
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93 #define SEGSIZE 512 /* data segment size */
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99 #define th_block th_u.tu_block
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100 #define th_code th_u.tu_code
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101 #define th_stuff th_u.tu_stuff
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102 #define th_msg th_data
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107 #define EUNDEF 0 /* not defined */
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108 #define ENOTFOUND 1 /* file not found */
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109 #define EACCESS 2 /* access violation */
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110 #define ENOSPACE 3 /* disk full or allocation exceeded */
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111 #define EBADOP 4 /* illegal TFTP operation */
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112 #define EBADID 5 /* unknown transfer ID */
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113 #define EEXISTS 6 /* file already exists */
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114 #define ENOUSER 7 /* no such user */
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118 #define RRQ 01 /* read request */
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119 #define WRQ 02 /* write request */
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120 #define DATA 03 /* data packet */
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121 #define ACK 04 /* acknowledgement */
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122 #define ERROR 05 /* error code */
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128 short th_opcode; /* packet type */
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130 unsigned short tu_block; /* block # */
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131 short tu_code; /* error code */
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132 char tu_stuff[1]; /* request packet stuff */
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135 __attribute__ ((packed))
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138 char th_data[1]; /* data or error string */
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141 __attribute__ ((packed))
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148 /* The function that implements the TFTP server task. */
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149 portTASK_FUNCTION_PROTO( vBasicTFTPServer, pvParameters );
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