4a56546811
This is handy for FOTA clients and others that always get binary files. Signed-off-by: Juha Niskanen <juha.niskanen@haltian.com>
98 lines
3.2 KiB
C
98 lines
3.2 KiB
C
/****************************************************************************
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* apps/netutils/ftpc/ftpc_filesize.c
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*
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* Copyright (C) 2011 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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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include "ftpc_config.h"
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#include <stdint.h>
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#include <stdio.h>
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#include "netutils/ftpc.h"
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#include "ftpc_internal.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: ftpc_filesize
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*
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* Description:
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* Return the size of the given file on the remote server.
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*
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****************************************************************************/
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off_t ftpc_filesize(SESSION handle, FAR const char *path)
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{
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FAR struct ftpc_session_s *session = (FAR struct ftpc_session_s *)handle;
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unsigned long ret;
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uint8_t mode = FTPC_XFRMODE_ASCII;
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/* Check if the host supports the SIZE command */
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if (!FTPC_HAS_SIZE(session))
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{
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return ERROR;
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}
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#ifdef CONFIG_FTP_SIZE_CMD_MODE_BINARY
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mode = FTPC_XFRMODE_BINARY;
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#endif
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if (ftpc_xfrmode(session, mode) != 0)
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{
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return ERROR;
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}
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ret = ftpc_cmd(session, "SIZE %s", path);
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/* Check for "502 Command not implemented" */
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if (session->code == 502)
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{
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/* No.. the host does not support the SIZE command */
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FTPC_CLR_SIZE(session);
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return ERROR;
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}
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sscanf(session->reply, "%*s %lu", &ret);
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return (off_t)ret;
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}
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