forked from Archive/PX4-Autopilot
174 lines
6.8 KiB
C
174 lines
6.8 KiB
C
/****************************************************************************
|
|
* netutils/tftoc/tftpc_internal.h
|
|
*
|
|
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __NETUTILS_TFTP_TFTPC_INTERNAL_H
|
|
#define __NETUTILS_TFTP_TFTPC_INTERNAL_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
#include <nuttx/compiler.h>
|
|
|
|
#include <sys/types.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#include <nuttx/net/uip/uipopt.h>
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Verify TFTP configuration settings ***************************************/
|
|
/* The settings beginning with CONFIG_NETUTILS_TFTP_* can all be set in the
|
|
* NuttX configuration file. If they are are defined in the configuration
|
|
* then default values are assigned here.
|
|
*/
|
|
|
|
/* The "well-known" server TFTP port number (usually 69). This port number
|
|
* is only used for the initial server contact. The server will negotiate
|
|
* a new transfer port number after the initial client request.
|
|
*/
|
|
|
|
#ifndef CONFIG_NETUTILS_TFTP_PORT
|
|
# define CONFIG_NETUTILS_TFTP_PORT 69
|
|
#endif
|
|
|
|
/* recvfrom timeout in deci-seconds */
|
|
|
|
#ifndef CONFIG_NETUTILS_TFTP_TIMEOUT
|
|
# define CONFIG_NETUTILS_TFTP_TIMEOUT 10 /* One second */
|
|
#endif
|
|
|
|
/* Dump received buffers */
|
|
|
|
#undef CONFIG_NETUTILS_TFTP_DUMPBUFFERS
|
|
|
|
/* Sizes of TFTP messsage headers */
|
|
|
|
#define TFTP_ACKHEADERSIZE 4
|
|
#define TFTP_ERRHEADERSIZE 4
|
|
#define TFTP_DATAHEADERSIZE 4
|
|
|
|
/* The maximum size for TFTP data is determined by the configured uIP packet
|
|
* size (but cannot exceed 512 + sizeof(TFTP_DATA header).
|
|
*/
|
|
|
|
#define TFTP_DATAHEADERSIZE 4
|
|
#define TFTP_MAXPACKETSIZE (TFTP_DATAHEADERSIZE+512)
|
|
|
|
#if UIP_UDP_MSS < TFTP_MAXPACKETSIZE
|
|
# define TFTP_PACKETSIZE UIP_UDP_MSS
|
|
# ifdef CONFIG_CPP_HAVE_WARNING
|
|
# warning "uIP MSS is too small for TFTP"
|
|
# endif
|
|
#else
|
|
# define TFTP_PACKETSIZE TFTP_MAXPACKETSIZE
|
|
#endif
|
|
|
|
#define TFTP_DATASIZE (TFTP_PACKETSIZE-TFTP_DATAHEADERSIZE)
|
|
#define TFTP_IOBUFSIZE (TFTP_PACKETSIZE+8)
|
|
|
|
/* TFTP Opcodes *************************************************************/
|
|
|
|
#define TFTP_RRQ 1 /* Read Request RFC 1350, RFC 2090 */
|
|
#define TFTP_WRQ 2 /* Write Request RFC 1350 */
|
|
#define TFTP_DATA 3 /* Data chunk RFC 1350 */
|
|
#define TFTP_ACK 4 /* Acknowledgement RFC 1350 */
|
|
#define TFTP_ERR 5 /* Error Message RFC 1350 */
|
|
#define TFTP_OACK 6 /* Option acknowledgment RFC 2347 */
|
|
|
|
#define TFTP_MAXRFC1350 5
|
|
|
|
/* TFTP Error Codes *********************************************************/
|
|
|
|
/* Error codes */
|
|
|
|
#define TFTP_ERR_NONE 0 /* No error */
|
|
#define TFTP_ERR_NOSUCHFILE 1 /* File not found */
|
|
#define TFTP_ERR_ACCESS 2 /* Access violation */
|
|
#define TFTP_ERR_FULL 3 /* Disk full or allocation exceeded */
|
|
#define TFTP_ERR_ILLEGALOP 4 /* Illegal TFTP operation */
|
|
#define TFTP_ERR_UNKID 5 /* Unknown transfer ID */
|
|
#define TFTP_ERR_EXISTS 6 /* File already exists */
|
|
#define TFTP_ERR_UNKUSER 7 /* No such user */
|
|
#define TFTP_ERR_NEGOTIATE 8 /* Terminate transfer due to option negotiation */
|
|
|
|
/* Error strings */
|
|
|
|
#define TFTP_ERR_STNOSUCHFILE "File not found"
|
|
#define TFTP_ERRST_ACCESS "Access violation"
|
|
#define TFTP_ERRST_FULL "Disk full or allocation exceeded"
|
|
#define TFTP_ERRST_ILLEGALOP "Illegal TFTP operation"
|
|
#define TFTP_ERRST_UNKID "Unknown transfer ID"
|
|
#define TFTP_ERRST_EXISTS "File already exists"
|
|
#define TFTP_ERRST_UNKUSER "No such user"
|
|
#define TFTP_ERRST_NEGOTIATE "Terminate transfer due to option negotiation"
|
|
|
|
/****************************************************************************
|
|
* Public Type Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/* Defined in tftp_packet.c *************************************************/
|
|
|
|
extern int tftp_sockinit(struct sockaddr_in *server, in_addr_t addr);
|
|
extern int tftp_mkreqpacket(uint8_t *buffer, int opcode, const char *path, bool binary);
|
|
extern int tftp_mkackpacket(uint8_t *buffer, uint16_t blockno);
|
|
extern int tftp_mkerrpacket(uint8_t *buffer, uint16_t errorcode, const char *errormsg);
|
|
#if defined(CONFIG_DEBUG) && defined(CONFIG_DEBUG_NET)
|
|
extern int tftp_parseerrpacket(const uint8_t *packet);
|
|
#endif
|
|
|
|
extern ssize_t tftp_recvfrom(int sd, void *buf, size_t len, struct sockaddr_in *from);
|
|
extern ssize_t tftp_sendto(int sd, const void *buf, size_t len, struct sockaddr_in *to);
|
|
|
|
#ifdef CONFIG_NETUTILS_TFTP_DUMPBUFFERS
|
|
# define tftp_dumpbuffer(msg, buffer, nbytes) nvdbgdumpbuffer(msg, buffer, nbytes)
|
|
#else
|
|
# define tftp_dumpbuffer(msg, buffer, nbytes)
|
|
#endif
|
|
|
|
#endif /* __NETUTILS_TFTP_TFTPC_INTERNAL_H */
|