1 #!/bin/bash -
2 #===============================================================================
3 #
4 # FILE: hex_change.sh
5 #
6 # USAGE: ./hex_change.sh
7 #
8 # DESCRIPTION:
9 #
10 # OPTIONS: ---
11 # REQUIREMENTS: ---
12 # BUGS: ---
13 # NOTES: ---
14 # AUTHOR: linkscue (scue), linkscue@gmail.com
15 # ORGANIZATION:
16 # CREATED: 2014年08月07日 00时05分55秒 CST
17 # REVISION: ---
18 #===============================================================================
19
20 # hex_change 修改二进制文件
21 # 语法：hex_change 00ABCDEF 00ABCDEF file
22 # hex_change [0x]00ABCDEF [0x]00ABCDEF file
23 hex_change(){
24 local hex=${1#0x}
25 local hexnew=${2#0x}
26 local bin=$3
27 hex=$(echo $hex|tr a-z A-Z) # 小写转大写
28 hexnew=$(echo $hexnew|tr a-z A-Z) # 小写转大写
29 echo "convert hex: 0x$hex 0x$hexnew"
30 p1="\x${hex:6:2}"
31 p2="\x${hex:4:2}"
32 p3="\x${hex:2:2}"
33 p4="\x${hex:0:2}"
34 pn1="\x${hexnew:6:2}"
35 pn2="\x${hexnew:4:2}"
36 pn3="\x${hexnew:2:2}"
37 pn4="\x${hexnew:0:2}"
38 echo sed -i "s/$p1$p2$p3$p4/$pn1$pn2$pn3$pn4/g" $bin
39 sed -i "s/$p1$p2$p3$p4/$pn1$pn2$pn3$pn4/g" $bin
40 }
41
42 hex_change ABCDEF55 DDCCBBAA ./1.bin
