356 lines
8.9 KiB
Plaintext
356 lines
8.9 KiB
Plaintext
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#!/bin/sh
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#
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# Copyright (c) 2013, The Linux Foundation. All rights reserved.
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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 are met:
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# * 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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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of The Linux Foundation nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE DISCLAIMED. IN NO
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# EVENT SHALL THE COPYRIGHT OWNER OR 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 SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# Enable or disable debug messages in USB related files.
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# this script allows the user to chose the files in which should enable or disable debug messages
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# and also allows the user to save the debug configuration for the next reboot
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# This in order to allow early boot debug information.
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DBG_FILE="/sbin/usb/debuger/debugFiles"
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DEFAULT_FILE="/sbin/usb/debuger/default_debug"
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HELP="/sbin/usb/debuger/help"
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statusFile="/sbin/usb/debuger/statusFile"
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legal_fileName(){
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file_list=`cat $DBG_FILE| cut -f 2| grep -v ___`
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for c in $file_list
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do
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if [ "$1" = "$c" ]; then
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echo "1"
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exit
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fi
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done
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echo "0"
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}
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legal_fid() {
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local id_list=`cat $DBG_FILE| cut -f 1| grep -v ___`
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for num in $id_list
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do
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if [ "$1" = "$num" ]; then
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echo "1"
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exit
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fi
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done
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echo "0"
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}
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legal_fileNames(){
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local i=1
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for j in "$@"
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do
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if [ $i -gt $1 ]; then
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if [ `legal_fileName $j` = "0" ]; then
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echo "0"
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exit
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fi
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fi
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let i+=1
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done
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echo "1"
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}
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get_fileList(){
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local i=1
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local list=""
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for j in "$@"
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do
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if [ $i -gt $1 ]; then
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list="$list$j "
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fi
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let i+=1
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done
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echo $list
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}
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read_fid() {
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# this func gets the file id and returns the file names of the chosen files
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local flag="1"
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local tmp_fid="0"
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local files=""
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read -p "fid number : " tmp_fid
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while [ true ];
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do
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for num in $tmp_fid
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do
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if [ `legal_fid $num` = "0" ]; then
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flag="0"
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break
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else
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files="$files `cat $DBG_FILE|grep -w $num|grep -v ___|cut -f 2` "
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fi
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done
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if [ $flag = "0" ]; then
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flag="1"
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files=""
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read -p "Illegal Fid number, try again : " tmp_fid
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else
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echo "$files"
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exit
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fi
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done
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}
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read_persistent() {
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local tmp_persistent='0'
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read -p "Would you like it to be the default file\s for debug ? (y/n) " tmp_persistent
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while [ true ]; do
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if [ $tmp_persistent = "y" ] || [ $tmp_persistent = "n" ]; then
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echo "$tmp_persistent"
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exit
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fi
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read -p "Only 'y' or 'n' are allowed, try again : " tmp_persistent
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done
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}
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read_operation() {
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local tmp_op='0'
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read -p "Would you like to enable or disable the debug messages ? (on/off) " tmp_op
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while [ true ]; do
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if [ $tmp_op = "on" ] || [ $tmp_op = "off" ]; then
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echo "$tmp_op"
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exit
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fi
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read -p "Only 'on' or 'off' are allowed, try again : " tmp_op
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done
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}
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add_toStatus() {
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if [ -f $statusFile ]; then
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if [ `cat $statusFile |grep -c $1` = 0 ]; then
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echo $1 >> $statusFile
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fi
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else
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echo $1 >> $statusFile
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fi
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}
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rm_fromStatus() {
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if [ -f $statusFile ]; then
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sed -i '/^'$1'$/d' $statusFile
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fi
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}
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#===============================================================================================#
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#===============================================================================================#
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if [ ! -f $DBG_FILE ]; then
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echo "ERROR: debugFiles is missing"
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exit
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fi
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if [ "$#" -eq 0 ]; then
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cat $DBG_FILE
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echo " "
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echo "Choose files by id: "
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file=`read_fid`
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flag="-l"
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operation=`read_operation`
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persistent=`read_persistent`
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elif [ "$#" -eq 1 ]; then
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if [ $1 == "status" ]; then
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if [ -f $statusFile ]; then
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cat $statusFile
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exit 1
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fi
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echo ""
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exit 1
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elif [ $1 == "-h" ] || [ $1 == "help" ]; then
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cat $HELP
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exit 1
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else
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echo "Usage: usb_debug -h" >&2
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echo "Usage: usb_debug status" >&2
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echo "Usage: usb_debug [-l] [OPERATION] [PERSISTENT] [LIST]" >&2
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echo "Usage: usb_debug [-f] [OPERATION] [PERSISTENT] [PATH]" >&2
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echo "Usage: usb_debug [all][OPERATION] [PERSISTENT]" >&2
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exit 1
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fi
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elif [ "$#" -eq 2 ]; then
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if [ $1 != "all" ]; then
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echo "Usage: usb_debug [-l] [OPERATION] [PERSISTENT] [LIST]" >&2
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echo "Usage: usb_debug [-f] [OPERATION] [PERSISTENT] [PATH]" >&2
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echo "Usage: usb_debug [all][OPERATION] [PERSISTENT]" >&2
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exit 1
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fi
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if [ $2 != "on" ] && [ $2 != "off" ]; then
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echo "Illegal operation choice (must be 'on' or 'off')."
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exit 2
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fi
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if [ $2 = "on" ]; then
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flag=$1
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operation=$2
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file=`cat $DBG_FILE| cut -f 2| grep -v ___`
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persistent=`read_persistent`
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else
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flag=$1
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operation=$2
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file=`cat $DBG_FILE| cut -f 2| grep -v ___`
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persistent="y"
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fi
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elif [ "$#" -ge 3 ]; then
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if [ $1 != "-l" ] && [ $1 != "-f" ] && [ $1 != "all" ]; then
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echo "Usage: usb_debug [-l] [OPERATION] [PERSISTENT] [LIST]" >&2
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echo "Usage: usb_debug [-f] [OPERATION] [PERSISTENT] [PATH]" >&2
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echo "Usage: usb_debug [all][OPERATION] [PERSISTENT]" >&2
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exit 1
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fi
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if [ $2 != "on" ] && [ $2 != "off" ]; then
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echo "Illegal operation choice (must be 'on' or 'off')."
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exit 2
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fi
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if [ $1 = "-l" ]; then
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if [ `legal_fileName $3` = "1" ]; then
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if [ "$#" -ge 4 ]; then
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#handle more then one file - default presistance=n
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if [ `legal_fileNames 3 "$@"` = "0" ]; then
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echo "Illegal file name."
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exit 4
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fi
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flag=$1
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operation=$2
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persistent="n"
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file=`get_fileList 3 "$@"`
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else
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#case just one file name
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flag=$1
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operation=$2
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persistent="n"
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file=$3
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fi
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elif [ $3 = "y" ] || [ $3 = "n" ]; then
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if [ `legal_fileName $4` = "0" ]; then
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echo "Illegal file name."
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exit 4
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fi
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if [ "$#" -ge 5 ]; then
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#handle more then one file - presistance=$3
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if [ `legal_fileNames 4 "$@"` = "0" ]; then
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echo "Illegal file name."
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exit 5
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fi
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flag=$1
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operation=$2
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persistent=$3
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file=`get_fileList 4 "$@"`
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else
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#just one file
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flag=$1
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operation=$2
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persistent=$3
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file=$4
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fi
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else
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echo "Illegal file name or persistent choice (persistent must be 'y' or 'n')."
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exit 4
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fi
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elif [ $1 = "-f" ]; then
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if [ -f $3 ]; then
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flag=$1
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operation=$2
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persistent="n"
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file=`cat $3`
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if [ `legal_fileNames 1 $file` = 0 ]; then
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echo "Illegal file name (in the input file)"
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exit 3
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fi
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elif [ $3 = "y" ] || [ $3 = "n" ]; then
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if [ "$#" -eq 3 ]; then
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echo "Usage: usb_debug [-f] [OPERATION] [PERSISTENT] [PATH]" >&2
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exit 3
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fi
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if [ -f $4 ]; then
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flag=$1
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operation=$2
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persistent=$3
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file=`cat $4`
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if [ `legal_fileNames 1 "$file"` = 0 ]; then
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echo "Illegal file name (in the input file)"
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exit 4
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fi
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else
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echo "Illegal input file."
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exit 4
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fi
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else
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echo "Illegal file or persistent choice (persistent must be 'y' or 'n')."
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exit 3
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fi
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else
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# $1=all
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if [ $3 != "y" ] && [ $3 != "n" ]; then
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echo "Illegal persistent choice (persistent must be 'y' or 'n')."
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exit 3
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fi
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flag=$1
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operation=$2
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file=`cat $DBG_FILE| cut -f 2| grep -v ___`
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persistent=$3
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fi
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else
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echo "Usage: usb_debug [-l] [OPERATION] [PERSISTENT] [LIST]" >&2
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echo "Usage: usb_debug [-f] [OPERATION][PERSISTENT] [PATH]" >&2
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echo "Usage: usb_debug [all][OPERATION] [PERSISTENT]" >&2
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exit 1
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fi
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#===============================================================================================
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#===============================================================================================
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# mount debugfs just one time
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if [ `mount | grep -c debugfs` = 0 ]; then
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mkdir /data/dbg
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mount -t debugfs none /data/dbg
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fi
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if [ $persistent = "y" ]; then
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if [ $operation = "off" ]; then
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if [ $flag = "all" ]; then
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rm -f $DEFAULT_FILE
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else
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echo "Change will have no effect on default file- Illegal combination of persistent and disable debug messages"
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fi
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else
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rm -f $DEFAULT_FILE
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echo $file > $DEFAULT_FILE
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fi
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fi
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if [ $operation = "on" ]; then
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for f in $file
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do
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`add_toStatus $f`
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f="$f.c"
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echo -n 'file $f +p' > /data/dbg/dynamic_debug/control
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done
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else
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for f in $file
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do
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`rm_fromStatus $f`
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f="$f.c"
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echo -n 'file $f -p' > /data/dbg/dynamic_debug/control
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done
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fi
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