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Resync new repository with old repo r5166
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
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/****************************************************************************
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* netutils/tftoc/tftpc_internal.h
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*
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* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __NETUTILS_TFTP_TFTPC_INTERNAL_H
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#define __NETUTILS_TFTP_TFTPC_INTERNAL_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/net/uip/uipopt.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Verify TFTP configuration settings ***************************************/
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/* The settings beginning with CONFIG_NETUTILS_TFTP_* can all be set in the
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* NuttX configuration file. If they are are defined in the configuration
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* then default values are assigned here.
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*/
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/* The "well-known" server TFTP port number (usually 69). This port number
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* is only used for the initial server contact. The server will negotiate
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* a new transfer port number after the initial client request.
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*/
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#ifndef CONFIG_NETUTILS_TFTP_PORT
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# define CONFIG_NETUTILS_TFTP_PORT 69
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#endif
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/* recvfrom timeout in deci-seconds */
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#ifndef CONFIG_NETUTILS_TFTP_TIMEOUT
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# define CONFIG_NETUTILS_TFTP_TIMEOUT 10 /* One second */
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#endif
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/* Dump received buffers */
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#undef CONFIG_NETUTILS_TFTP_DUMPBUFFERS
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/* Sizes of TFTP messsage headers */
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#define TFTP_ACKHEADERSIZE 4
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#define TFTP_ERRHEADERSIZE 4
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#define TFTP_DATAHEADERSIZE 4
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/* The maximum size for TFTP data is determined by the configured uIP packet
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* size (but cannot exceed 512 + sizeof(TFTP_DATA header).
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*/
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#define TFTP_DATAHEADERSIZE 4
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#define TFTP_MAXPACKETSIZE (TFTP_DATAHEADERSIZE+512)
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#if UIP_UDP_MSS < TFTP_MAXPACKETSIZE
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# define TFTP_PACKETSIZE UIP_UDP_MSS
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# ifdef CONFIG_CPP_HAVE_WARNING
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# warning "uIP MSS is too small for TFTP"
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# endif
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#else
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# define TFTP_PACKETSIZE TFTP_MAXPACKETSIZE
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#endif
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#define TFTP_DATASIZE (TFTP_PACKETSIZE-TFTP_DATAHEADERSIZE)
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#define TFTP_IOBUFSIZE (TFTP_PACKETSIZE+8)
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/* TFTP Opcodes *************************************************************/
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#define TFTP_RRQ 1 /* Read Request RFC 1350, RFC 2090 */
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#define TFTP_WRQ 2 /* Write Request RFC 1350 */
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#define TFTP_DATA 3 /* Data chunk RFC 1350 */
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#define TFTP_ACK 4 /* Acknowledgement RFC 1350 */
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#define TFTP_ERR 5 /* Error Message RFC 1350 */
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#define TFTP_OACK 6 /* Option acknowledgment RFC 2347 */
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#define TFTP_MAXRFC1350 5
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/* TFTP Error Codes *********************************************************/
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/* Error codes */
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#define TFTP_ERR_NONE 0 /* No error */
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#define TFTP_ERR_NOSUCHFILE 1 /* File not found */
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#define TFTP_ERR_ACCESS 2 /* Access violation */
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#define TFTP_ERR_FULL 3 /* Disk full or allocation exceeded */
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#define TFTP_ERR_ILLEGALOP 4 /* Illegal TFTP operation */
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#define TFTP_ERR_UNKID 5 /* Unknown transfer ID */
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#define TFTP_ERR_EXISTS 6 /* File already exists */
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#define TFTP_ERR_UNKUSER 7 /* No such user */
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#define TFTP_ERR_NEGOTIATE 8 /* Terminate transfer due to option negotiation */
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/* Error strings */
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#define TFTP_ERR_STNOSUCHFILE "File not found"
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#define TFTP_ERRST_ACCESS "Access violation"
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#define TFTP_ERRST_FULL "Disk full or allocation exceeded"
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#define TFTP_ERRST_ILLEGALOP "Illegal TFTP operation"
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#define TFTP_ERRST_UNKID "Unknown transfer ID"
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#define TFTP_ERRST_EXISTS "File already exists"
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#define TFTP_ERRST_UNKUSER "No such user"
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#define TFTP_ERRST_NEGOTIATE "Terminate transfer due to option negotiation"
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/****************************************************************************
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* Public Type Definitions
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* Defined in tftp_packet.c *************************************************/
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extern int tftp_sockinit(struct sockaddr_in *server, in_addr_t addr);
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extern int tftp_mkreqpacket(uint8_t *buffer, int opcode, const char *path, bool binary);
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extern int tftp_mkackpacket(uint8_t *buffer, uint16_t blockno);
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extern int tftp_mkerrpacket(uint8_t *buffer, uint16_t errorcode, const char *errormsg);
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#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
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extern int tftp_parseerrpacket(const uint8_t *packet);
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#endif
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extern ssize_t tftp_recvfrom(int sd, void *buf, size_t len, struct sockaddr_in *from);
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extern ssize_t tftp_sendto(int sd, const void *buf, size_t len, struct sockaddr_in *to);
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#ifdef CONFIG_NETUTILS_TFTP_DUMPBUFFERS
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# define tftp_dumpbuffer(msg, buffer, nbytes) nvdbgdumpbuffer(msg, buffer, nbytes)
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#else
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# define tftp_dumpbuffer(msg, buffer, nbytes)
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#endif
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#endif /* __NETUTILS_TFTP_TFTPC_INTERNAL_H */
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