mirror of
https://github.com/apache/nuttx-apps.git
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Add apps/netutils/codecs and associated NSH commands from Darcy Gong
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5280 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
538
nshlib/nsh_codeccmd.c
Normal file
538
nshlib/nsh_codeccmd.c
Normal file
@@ -0,0 +1,538 @@
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/****************************************************************************
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* apps/nshlib/nsh_apps.c
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*
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* This file is part of NuttX, contributed by Darcy Gong
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Darcy Gong 2012-10-30
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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 <nuttx/config.h>
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#ifdef CONFIG_NETUTILS_CODECS
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#include <sys/stat.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <sched.h>
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#include <fcntl.h>
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#include <libgen.h>
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#include <errno.h>
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#include <debug.h>
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#if defined(CONFIG_NSH_DISABLE_URLENCODE) && defined(CONFIG_NSH_DISABLE_URLDECODE)
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# undef CONFIG_CODECS_URLCODE
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#endif
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#ifdef CONFIG_CODECS_URLCODE
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#include <apps/netutils/urldecode.h>
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#endif
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#if defined(CONFIG_NSH_DISABLE_BASE64ENC) && defined(CONFIG_NSH_DISABLE_BASE64ENC)
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# undef CONFIG_CODECS_BASE64
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#endif
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#ifdef CONFIG_CODECS_BASE64
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#include <apps/netutils/base64.h>
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#endif
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#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
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#include <apps/netutils/md5.h>
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#endif
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#include "nsh.h"
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#include "nsh_console.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifndef CONFIG_NSH_CODECS_BUFSIZE
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# define CONFIG_NSH_CODECS_BUFSIZE 128
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#endif
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#define CODEC_MODE_URLENCODE 1
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#define CODEC_MODE_URLDECODE 2
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#define CODEC_MODE_BASE64ENC 3
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#define CODEC_MODE_BASE64DEC 4
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#define CODEC_MODE_HASH_MD5 5
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/****************************************************************************
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* Private Types
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****************************************************************************/
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typedef void (*codec_callback_t)(FAR char *src_buff, int src_buff_len,
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FAR char *dst_buff, FAR int *dst_buff_len,
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int mode);
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: urlencode_cb
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****************************************************************************/
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#if defined(CONFIG_CODECS_URLCODE) && !defined(CONFIG_NSH_DISABLE_URLENCODE)
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static void urlencode_cb(FAR char *src_buff, int src_buff_len,
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FAR char *dst_buff, FAR int *dst_buff_len, int mode)
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{
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urlencode(src_buff,src_buff_len,dst_buff,dst_buff_len);
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}
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#endif
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/****************************************************************************
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* Name: urldecode_cb
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****************************************************************************/
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#if defined(CONFIG_CODECS_URLCODE) && !defined(CONFIG_NSH_DISABLE_URLDECODE)
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static void urldecode_cb(FAR char *src_buff, int src_buff_len, FAR char *dst_buff,
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FAR int *dst_buff_len, int mode)
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{
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urldecode(src_buff,src_buff_len,dst_buff,dst_buff_len);
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}
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#endif
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/****************************************************************************
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* Name: b64enc_cb
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****************************************************************************/
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#if defined(CONFIG_CODECS_BASE64) && !defined(CONFIG_NSH_DISABLE_BASE64ENC)
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static void b64enc_cb(FAR char *src_buff, int src_buff_len, FAR char *dst_buff,
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FAR int *dst_buff_len, int mode)
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{
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if (mode == 0)
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{
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//dst_buff =
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base64_encode((unsigned char *)src_buff, src_buff_len,
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(unsigned char *)dst_buff, (size_t *)dst_buff_len);
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}
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else
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{
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//dst_buff =
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base64w_encode((unsigned char *)src_buff, src_buff_len,
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(unsigned char *)dst_buff, (size_t *)dst_buff_len);
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}
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}
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#endif
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/****************************************************************************
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* Name: b64dec_cb
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****************************************************************************/
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#if defined(CONFIG_CODECS_BASE64) && !defined(CONFIG_NSH_DISABLE_BASE64DEC)
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static void b64dec_cb(FAR char *src_buff, int src_buff_len, FAR char *dst_buff,
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FAR int *dst_buff_len, int mode)
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{
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if (mode == 0)
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{
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//dst_buff =
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base64_decode((unsigned char *)src_buff, src_buff_len,
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(unsigned char *)dst_buff, (size_t *)dst_buff_len);
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}
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else
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{
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//dst_buff =
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base64w_decode((unsigned char *)src_buff, src_buff_len,
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(unsigned char *)dst_buff,(size_t *)dst_buff_len);
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}
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}
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#endif
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/****************************************************************************
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* Name: md5_cb
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****************************************************************************/
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#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
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static void md5_cb(FAR char *src_buff, int src_buff_len, FAR char *dst_buff,
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FAR int *dst_buff_len, int mode)
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{
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MD5Update((MD5_CTX *)dst_buff, (unsigned char *)src_buff, src_buff_len);
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}
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#endif
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/****************************************************************************
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* Name: calc_codec_buffsize
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****************************************************************************/
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static int calc_codec_buffsize(int src_buffsize, uint8_t mode)
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{
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switch (mode)
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{
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case CODEC_MODE_URLENCODE:
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return src_buffsize*3+1;
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case CODEC_MODE_URLDECODE:
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return src_buffsize+1;
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case CODEC_MODE_BASE64ENC:
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return ((src_buffsize + 2)/ 3 * 4)+1;
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case CODEC_MODE_BASE64DEC:
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return (src_buffsize / 4 * 3 + 2)+1;
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case CODEC_MODE_HASH_MD5:
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return 32+1;
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default:
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return src_buffsize+1;
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}
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}
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/****************************************************************************
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* Name: cmd_codecs_proc
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****************************************************************************/
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static int cmd_codecs_proc(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv,
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uint8_t mode, codec_callback_t func)
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{
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#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
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static const unsigned char hex_chars[] = "0123456789abcdef";
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MD5_CTX ctx;
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unsigned char mac[16];
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char *pSrc;
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char *pDest;
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#endif
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char *localfile = NULL;
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char *src_buffer = NULL;
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char *buffer = NULL;
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char *fullpath = NULL;
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const char *fmt;
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char *s_data;
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bool badarg = false;
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bool is_file = false;
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bool is_websafe=false;
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int option;
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int fd = -1;
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int buff_len = 0;
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int src_buff_len = 0;
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int i = 0;
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int ret = OK;
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/* Get the command options */
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while ((option = getopt(argc, argv, ":fw")) != ERROR)
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{
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switch (option)
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{
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case 'f':
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is_file = true;
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break;
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#ifdef CONFIG_CODECS_BASE64
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case 'w':
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is_websafe = true;
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if (!(mode == CODEC_MODE_BASE64ENC || mode == CODEC_MODE_BASE64DEC))
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{
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badarg = true;
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}
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break;
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#endif
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case ':':
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nsh_output(vtbl, g_fmtargrequired, argv[0]);
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badarg = true;
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break;
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case '?':
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default:
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nsh_output(vtbl, g_fmtarginvalid, argv[0]);
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badarg = true;
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break;
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}
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}
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/* If a bad argument was encountered, then return without processing the command */
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if (badarg)
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{
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return ERROR;
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}
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/* There should be exactly on parameter left on the command-line */
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if (optind == argc-1)
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{
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s_data = argv[optind];
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}
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else if (optind >= argc)
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{
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fmt = g_fmttoomanyargs;
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goto errout;
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}
|
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else
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{
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fmt = g_fmtargrequired;
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goto errout;
|
||||
}
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#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
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if (mode == CODEC_MODE_HASH_MD5)
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{
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MD5Init(&ctx);
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}
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#endif
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if (is_file)
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{
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/* Get the local file name */
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localfile = s_data;
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/* Get the full path to the local file */
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fullpath = nsh_getfullpath(vtbl, localfile);
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/* Open the local file for writing */
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fd = open(fullpath, O_RDONLY|O_TRUNC, 0644);
|
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if (fd < 0)
|
||||
{
|
||||
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "open", NSH_ERRNO);
|
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ret = ERROR;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
src_buffer = malloc(CONFIG_NSH_CODECS_BUFSIZE+2);
|
||||
#if defined(CONFIG_CODECS_BASE64) && !defined(CONFIG_NSH_DISABLE_BASE64ENC)
|
||||
if (mode == CODEC_MODE_BASE64ENC)
|
||||
{
|
||||
src_buff_len = CONFIG_NSH_CODECS_BUFSIZE / 3 * 3;
|
||||
}
|
||||
else
|
||||
#endif
|
||||
{
|
||||
src_buff_len = CONFIG_NSH_CODECS_BUFSIZE;
|
||||
}
|
||||
|
||||
buff_len = calc_codec_buffsize(src_buff_len+2, mode);
|
||||
buffer = malloc(buff_len);
|
||||
while(true)
|
||||
{
|
||||
memset(src_buffer, 0, src_buff_len+2);
|
||||
ret=read(fd, src_buffer, src_buff_len);
|
||||
if (ret < 0)
|
||||
{
|
||||
nsh_output(vtbl, g_fmtcmdfailed, argv[0], "read", NSH_ERRNO);
|
||||
ret = ERROR;
|
||||
goto exit;
|
||||
}
|
||||
else if(ret==0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
#if defined(CONFIG_CODECS_URLCODE) && !defined(CONFIG_NSH_DISABLE_URLDECODE)
|
||||
if (mode == CODEC_MODE_URLDECODE)
|
||||
{
|
||||
if (src_buffer[src_buff_len-1]=='%')
|
||||
{
|
||||
ret += read(fd,&src_buffer[src_buff_len],2);
|
||||
}
|
||||
else if (src_buffer[src_buff_len-2]=='%')
|
||||
{
|
||||
ret += read(fd,&src_buffer[src_buff_len],1);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
memset(buffer, 0, buff_len);
|
||||
if (func)
|
||||
{
|
||||
#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
|
||||
if (mode == CODEC_MODE_HASH_MD5)
|
||||
{
|
||||
func(src_buffer, ret, (char *)&ctx, &buff_len,0);
|
||||
}
|
||||
else
|
||||
#endif
|
||||
{
|
||||
func(src_buffer, ret, buffer, &buff_len,(is_websafe)?1:0);
|
||||
nsh_output(vtbl, "%s", buffer);
|
||||
}
|
||||
}
|
||||
|
||||
buff_len = calc_codec_buffsize(src_buff_len+2, mode);
|
||||
}
|
||||
|
||||
#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
|
||||
if (mode == CODEC_MODE_HASH_MD5)
|
||||
{
|
||||
MD5Final(mac, &ctx);
|
||||
pSrc = (char *)&mac;
|
||||
pDest = buffer;
|
||||
for(i=0;i<16;i++,pSrc++)
|
||||
{
|
||||
*pDest++ = hex_chars[(*pSrc) >> 4];
|
||||
*pDest++ = hex_chars[(*pSrc) & 0x0f];
|
||||
}
|
||||
|
||||
*pDest='\0';
|
||||
nsh_output(vtbl, "%s\n", buffer);
|
||||
}
|
||||
#endif
|
||||
ret = OK;
|
||||
goto exit;
|
||||
}
|
||||
else
|
||||
{
|
||||
src_buffer = s_data;
|
||||
src_buff_len = strlen(s_data);
|
||||
buff_len = calc_codec_buffsize(src_buff_len, mode);
|
||||
buffer = malloc(buff_len);
|
||||
buffer[0]=0;
|
||||
if (!buffer)
|
||||
{
|
||||
fmt = g_fmtcmdoutofmemory;
|
||||
goto errout;
|
||||
}
|
||||
|
||||
memset(buffer, 0, buff_len);
|
||||
if (func)
|
||||
{
|
||||
#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
|
||||
if (mode == CODEC_MODE_HASH_MD5)
|
||||
{
|
||||
func(src_buffer, src_buff_len, (char *)&ctx, &buff_len, 0);
|
||||
MD5Final(mac, &ctx);
|
||||
pSrc = (char *)&mac;
|
||||
pDest = buffer;
|
||||
for(i=0;i<16;i++,pSrc++)
|
||||
{
|
||||
*pDest++ = hex_chars[(*pSrc) >> 4];
|
||||
*pDest++ = hex_chars[(*pSrc) & 0x0f];
|
||||
}
|
||||
|
||||
*pDest='\0';
|
||||
}
|
||||
else
|
||||
#endif
|
||||
{
|
||||
func(src_buffer, src_buff_len, buffer, &buff_len,(is_websafe)?1:0);
|
||||
}
|
||||
}
|
||||
|
||||
nsh_output(vtbl, "%s\n",buffer);
|
||||
src_buffer = NULL;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
exit:
|
||||
if (fd >= 0)
|
||||
{
|
||||
close(fd);
|
||||
}
|
||||
|
||||
if (fullpath)
|
||||
{
|
||||
free(fullpath);
|
||||
}
|
||||
|
||||
if (src_buffer)
|
||||
{
|
||||
free(src_buffer);
|
||||
}
|
||||
|
||||
if (buffer)
|
||||
{
|
||||
free(buffer);
|
||||
}
|
||||
|
||||
return ret;
|
||||
|
||||
errout:
|
||||
nsh_output(vtbl, fmt, argv[0]);
|
||||
ret = ERROR;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: cmd_urlencode
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(CONFIG_CODECS_URLCODE) && !defined(CONFIG_NSH_DISABLE_URLENCODE)
|
||||
int cmd_urlencode(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
|
||||
{
|
||||
return cmd_codecs_proc(vtbl, argc, argv, CODEC_MODE_URLENCODE, urlencode_cb);
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: cmd_urldecode
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(CONFIG_CODECS_URLCODE) && !defined(CONFIG_NSH_DISABLE_URLDECODE)
|
||||
int cmd_urldecode(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
|
||||
{
|
||||
return cmd_codecs_proc(vtbl, argc, argv, CODEC_MODE_URLDECODE, urldecode_cb);
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: cmd_base64encode
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(CONFIG_CODECS_BASE64) && !defined(CONFIG_NSH_DISABLE_BASE64ENC)
|
||||
int cmd_base64encode(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
|
||||
{
|
||||
return cmd_codecs_proc(vtbl, argc, argv, CODEC_MODE_BASE64ENC, b64enc_cb);
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: cmd_base64decode
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(CONFIG_CODECS_BASE64) && !defined(CONFIG_NSH_DISABLE_BASE64DEC)
|
||||
int cmd_base64decode(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
|
||||
{
|
||||
return cmd_codecs_proc(vtbl, argc, argv, CODEC_MODE_BASE64DEC, b64dec_cb);
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: cmd_md5
|
||||
****************************************************************************/
|
||||
|
||||
#if defined(CONFIG_CODECS_HASH_MD5) && !defined(CONFIG_NSH_DISABLE_MD5)
|
||||
int cmd_md5(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
|
||||
{
|
||||
return cmd_codecs_proc(vtbl,argc,argv,CODEC_MODE_HASH_MD5,md5_cb);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_NETUTILS_CODECS */
|
||||
Reference in New Issue
Block a user