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175 lines
6.3 KiB
C
175 lines
6.3 KiB
C
#ifndef __tftp_h__
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#define __tftp_h__
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/**HEADER********************************************************************
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*
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* Copyright (c) 2008 Freescale Semiconductor;
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* All Rights Reserved
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*
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* Copyright (c) 2004-2008 Embedded Access Inc.;
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* All Rights Reserved
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*
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* Copyright (c) 1989-2008 ARC International;
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* All Rights Reserved
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*
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***************************************************************************
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*
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* THIS SOFTWARE IS PROVIDED BY FREESCALE "AS IS" AND ANY EXPRESSED OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL FREESCALE OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************
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*
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* $FileName: tftp.h$
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* $Version : 3.8.12.0$
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* $Date : Jun-14-2012$
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*
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* Comments:
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*
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* This file contains the definitions needed by TFTP.
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*
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*END************************************************************************/
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/* Constants */
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#define TFTPOP_RRQ 1
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#define TFTPOP_WRQ 2
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#define TFTPOP_DATA 3
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#define TFTPOP_ACK 4
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#define TFTPOP_ERROR 5
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#define TFTPERR_UNKNOWN 0
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#define TFTPERR_FILE_NOT_FOUND 1
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#define TFTPERR_ACCESS_VIOLATION 2
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#define TFTPERR_DISK_FULL 3
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#define TFTPERR_ILLEGAL_OP 4
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#define TFTPERR_ILLEGAL_TID 5
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#define TFTPERR_FILE_EXISTS 6
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#define TFTPERR_ILLEGAL_USER 7
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#define TFTP_DATA_SIZE 512
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#define TFTPSRV_MAX_TRANSACTIONS 20
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#define TFTP_TIMEOUT_RETRIES 1 /* retransmit forever */
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#define TFTP_TIMEOUT_MIN 5000 /* 5 seconds */
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#define TFTP_TIMEOUT_MAX 60000 /* 1 minute */
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#define TFTP_MAX_MESSAGE_SIZE 576
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/*
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** TFTP_MAX_MODE_SIZE is set to 9 because "netascii" is eight characters, plus
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** one for the NUL, if TFTP ever allows other mode types with more characters,
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** this value will have to be increased accordingly.
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*/
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#define TFTP_MAX_MODE_SIZE 9
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#define TFTPSRV_INFINITE_RETRIES -1
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/*
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** This value can be set to TFTP_INFINITE_RETRIES if the end user wishes to
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** never cancel a transaction. The default value when shipped is 20.
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*/
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#define TFTPSRV_TIMEOUT_RETRIES 20
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/* TFTP Structure definitions */
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typedef struct tftp_header {
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uchar OP[2];
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uchar BLOCK[2];
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} TFTP_HEADER, _PTR_ TFTP_HEADER_PTR;
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/* TFTP data packet */
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typedef struct tftp_packet {
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TFTP_HEADER HEAD;
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uchar DATA[TFTP_DATA_SIZE];
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} TFTP_PACKET, _PTR_ TFTP_PACKET_PTR;
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/* The Illegal TID error packet */
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typedef struct tftp_error_packet {
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uchar OP[2];
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uchar CODE[2];
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uchar MSG[25];
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} TFTP_ERROR_PACKET, _PTR_ TFTP_ERROR_PACKET_PTR;
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typedef struct tftp_to_struct {
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uint_32 TS;
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boolean UPDATE;
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uint_32 TO;
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uint_32 M;
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uint_32 D;
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} TFTP_TO_STRUCT, _PTR_ TFTP_TO_STRUCT_PTR;
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typedef struct tftp_trans_struct {
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struct tftp_trans_struct _PTR_ NEXT;
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struct tftp_trans_struct _PTR_ _PTR_ PREV;
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uint_32 TIME;
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uint_32 SOCK;
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MQX_FILE_PTR TRANS_FILE_PTR;
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sockaddr_in ADDR;
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uint_32 RECV_OP;
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uint_32 SEND_OP;
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uint_32 BLOCK;
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uint_32 SEND_SIZE;
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TFTP_TO_STRUCT XMIT_TIMER;
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uint_32 NUM_RETRIES;
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boolean EXIT;
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TFTP_PACKET SND;
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} TFTP_TRANS_STRUCT, _PTR_ TFTP_TRANS_STRUCT_PTR;
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/* The state structure for the TFTP Server */
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typedef struct tftpsrv_state_struct {
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/* DO NOT INSERT ANYTHING BETWEEN SRV_SOCK and SOCKETS! */
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uint_32 SRV_SOCK;
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uint_32 SOCKETS[TFTPSRV_MAX_TRANSACTIONS];
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TFTP_TRANS_STRUCT _PTR_ TRANS_PTRS[TFTPSRV_MAX_TRANSACTIONS];
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TFTP_TRANS_STRUCT _PTR_ EVENT_HEAD;
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uint_32 NUM_TRANSACTIONS;
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uchar BUFFER[TFTP_MAX_MESSAGE_SIZE];
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} TFTPSRV_STATE_STRUCT, _PTR_ TFTPSRV_STATE_STRUCT_PTR;
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/* TFTP Macros */
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#define TFTP_WAIT(t) RTCS_selectset(&TFTP_config.SOCK, 1, t)
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#define TFTP_RECV(p) recvfrom(TFTP_config.SOCK, &(p), sizeof(p), 0, \
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(sockaddr *)&remote_addr, &remote_size)
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#define TFTP_SEND(s,p,a) sendto(s, &(p), sizeof(p), 0, (sockaddr *)&(a), sizeof(a))
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#define TFTP_SENDRRQ() sendto(TFTP_config.SOCK, TFTP_config.RRQ_PTR, TFTP_config.RRQ_LEN, 0, \
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(sockaddr *)(&TFTP_config.SADDR), sizeof(TFTP_config.SADDR))
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#define TFTP_RESEND() TFTP_config.RRQ_PTR ? TFTP_SENDRRQ() : TFTP_SEND(TFTP_config.SOCK, TFTP_config.ACK, TFTP_config.SADDR)
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extern TFTP_ERROR_PACKET _tftp_error_tid;
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extern TFTP_ERROR_PACKET _tftp_error_op;
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extern TFTP_ERROR_PACKET _tftp_error_accvio;
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extern TFTP_ERROR_PACKET _tftp_error_srv;
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extern TFTP_ERROR_PACKET _tftp_error_busy;
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extern TFTP_ERROR_PACKET _tftp_error_to;
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extern TFTP_ERROR_PACKET _tftp_error_nofile;
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extern TFTP_ERROR_PACKET _tftp_error_exists;
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extern void TFTPSRV_service_request (TFTPSRV_STATE_STRUCT_PTR);
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extern void TFTPSRV_service_transaction (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR);
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extern void TFTPSRV_close_transaction (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR);
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extern uint_32 TFTPSRV_service_timer (TFTPSRV_STATE_STRUCT_PTR);
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extern void TFTPSRV_build_ACK (TFTP_TRANS_STRUCT_PTR);
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extern void TFTPSRV_build_DATA (TFTP_TRANS_STRUCT_PTR);
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extern void TFTPSRV_send (TFTP_TRANS_STRUCT_PTR);
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extern void TFTPSRV_timer_start (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR, uint_32);
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extern void TFTPSRV_timer_cancel (TFTPSRV_STATE_STRUCT_PTR, TFTP_TRANS_STRUCT_PTR);
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extern uint_32 TFTPSRV_open_device (uint_32, char_ptr, char_ptr, MQX_FILE_PTR _PTR_);
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extern uint_32 TFTP_timeout_init (TFTP_TO_STRUCT_PTR);
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extern uint_32 TFTP_timeout_restart (TFTP_TO_STRUCT_PTR);
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extern uint_32 TFTP_timeout_update (TFTP_TO_STRUCT_PTR);
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extern uint_32 TFTP_timeout_left (TFTP_TO_STRUCT_PTR, boolean _PTR_);
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#endif
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/* EOF */
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