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173 lines
6.8 KiB
173 lines
6.8 KiB
/**************************************************************************** |
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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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