使用 gzexe 快速加密解密文件内容
作者：尹正杰
版权声明：原创作品，谢绝转载！否则将追究法律责任。
一.使用sshpass工具编写远程管理脚本
1>.安装依赖包
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# yum -y install sshpass
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.6 kB ::
extras | 3.4 kB ::
updates | 3.4 kB ::
(/): extras//x86_64/primary_db | kB ::
(/): updates//x86_64/primary_db | 3.3 MB ::
Resolving Dependencies
--> Running transaction check
---> Package sshpass.x86_64 :1.06-.el7 will be installed
--> Finished Dependency Resolution Dependencies Resolved ===================================================================================================================================================================================================================
Package Arch Version Repository Size
===================================================================================================================================================================================================================
Installing:
sshpass x86_64 1.06-.el7 extras k Transaction Summary
===================================================================================================================================================================================================================
Install Package Total download size: k
Installed size: k
Downloading packages:
sshpass-1.06-.el7.x86_64.rpm | kB ::
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
Installing : sshpass-1.06-.el7.x86_64 /
Verifying : sshpass-1.06-.el7.x86_64 / Installed:
sshpass.x86_64 :1.06-.el7 Complete!
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# yum -y install sshpass
2>.编写脚本
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# cat /usr/local/bin/clientServer.sh
#!/bin/bash
#@author :yinzhengjie
#blog:http://www.cnblogs.com/yinzhengjie
#EMAIL:y1053419035@qq.com host=$
passwd="yinzhengjie" sshpass -p ${passwd} ssh root@${host} -o StrictHostKeyChecking=no
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# cat /usr/local/bin/clientServer.sh
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# ll /usr/local/bin/clientServer.sh
-rw-r--r--. root root Mar : /usr/local/bin/clientServer.sh
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# chmod +x /usr/local/bin/clientServer.sh
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# ll /usr/local/bin/clientServer.sh
-rwxr-xr-x. root root Mar : /usr/local/bin/clientServer.sh
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# chmod +x /usr/local/bin/clientServer.sh
3>.测试脚本
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# cat /etc/hosts | grep yinzhengjie
172.30.1.101 node101.yinzhengjie.org.cn
172.30.1.102 node102.yinzhengjie.org.cn
172.30.1.103 node103.yinzhengjie.org.cn
172.30.1.104 node104.yinzhengjie.org.cn
172.30.1.105 node105.yinzhengjie.org.cn
172.30.1.106 node106.yinzhengjie.org.cn
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# cat /etc/hosts | grep yinzhengjie
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# clientServer.sh node102.yinzhengjie.org.cn
Last login: Thu Mar :: from 172.30.1.101
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# who
root pts/ -- : (172.30.1.101)
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# exit
logout
Connection to node102.yinzhengjie.org.cn closed.
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# clientServer.sh node102.yinzhengjie.org.cn
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# clientServer.sh node103.yinzhengjie.org.cn
Last login: Tue Mar :: from 172.30.1.2
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# who
root pts/ -- : (172.30.1.101)
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# exit
logout
Connection to node103.yinzhengjie.org.cn closed.
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# clientServer.sh node103.yinzhengjie.org.cn
二.为脚本加密（使用 gzexe 快速加密解密文件内容）
上面我们通过脚本的确是可以远程登陆服务器，细心的小伙伴会发现以上脚本很缺乏安全感，就是密码是都一样才可以使用该脚本！而且在文件中编写脚本的话密码是明文方式保存，稍微会点Linux的人看到后可能会做坏事！因此，我们需要对脚本进行加密操作，这样别人拿到后就没法看到脚本的真实内容啦～
1>.加密脚本
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# cd /usr/local/bin/
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : clientServer.sh
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat clientServer.sh
#!/bin/bash
#@author :yinzhengjie
#blog:http://www.cnblogs.com/yinzhengjie
#EMAIL:y1053419035@qq.com host=$
passwd="yinzhengjie" sshpass -p ${passwd} ssh root@${host} -o StrictHostKeyChecking=no
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# gzexe clientServer.sh
clientServer.sh: 20.1%
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : clientServer.sh #它是加密后的脚本
-rwxr-xr-x. root root Mar : clientServer.sh~ #之前的脚本内容被写入到该文件中啦！
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# gzexe clientServer.sh
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : clientServer.sh
-rwxr-xr-x. root root Mar : clientServer.sh~
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat clientServer.sh
#!/bin/sh
skip= tab=' '
nl='
'
IFS=" $tab$nl" umask=`umask`
umask gztmpdir=
trap 'res=$?
test -n "$gztmpdir" && rm -fr "$gztmpdir"
(exit $res); exit $res
' 0 1 2 3 5 10 13 15 if type mktemp >/dev/null >&; then
gztmpdir=`mktemp -dt`
else
gztmpdir=/tmp/gztmp$$; mkdir $gztmpdir
fi || { (exit ); exit ; } gztmp=$gztmpdir/$
case $ in
-* | */*'
') mkdir -p "$gztmp" && rm -r "$gztmp";;
*/*) gztmp=$gztmpdir/`basename "$0"`;;
esac || { (exit ); exit ; } case `echo X | tail -n + >/dev/null` in
X) tail_n=-n;;
*) tail_n=;;
esac
if tail $tail_n +$skip <"$0" | gzip -cd > "$gztmp"; then
umask $umask
chmod "$gztmp"
(sleep ; rm -fr "$gztmpdir") >/dev/null &
"$gztmp" ${+"$@"}; res=$?
else
echo >& "Cannot decompress $0"
(exit ); res=
fi; exit $res
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[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat clientServer.sh
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat clientServer.sh~
#!/bin/bash
#@author :yinzhengjie
#blog:http://www.cnblogs.com/yinzhengjie
#EMAIL:y1053419035@qq.com host=$
passwd="yinzhengjie" sshpass -p ${passwd} ssh root@${host} -o StrictHostKeyChecking=no
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat clientServer.sh~
2>.测试加密后的脚本
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : clientServer.sh
-rwxr-xr-x. root root Mar : clientServer.sh~
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cd
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# rm -f /usr/local/bin/clientServer.sh~
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# ll /usr/local/bin/
total
-rwxr-xr-x. root root Mar : clientServer.sh
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# clientServer.sh node102.yinzhengjie.org.cn
Last login: Thu Mar :: from 172.30.1.101
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# who
root pts/ -- : (172.30.1.101)
[root@node102.yinzhengjie.org.cn ~]#
[root@node102.yinzhengjie.org.cn ~]# exit
logout
Connection to node102.yinzhengjie.org.cn closed.
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# clientServer.sh node102.yinzhengjie.org.cn
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# ll /usr/local/bin/
total
-rwxr-xr-x. root root Mar : clientServer.sh
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# mv /usr/local/bin/clientServer.sh /usr/local/bin/goto
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# ll /usr/local/bin/
total
-rwxr-xr-x. root root Mar : goto
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# mv /usr/local/bin/clientServer.sh /usr/local/bin/goto
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# ll /usr/local/bin/
total
-rwxr-xr-x. root root Mar : goto
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# goto node103.yinzhengjie.org.cn
Last login: Thu Mar :: from 172.30.1.101
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# who
root pts/ -- : (172.30.1.101)
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]#
[root@node103.yinzhengjie.org.cn ~]# exit
logout
Connection to node103.yinzhengjie.org.cn closed.
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# goto node103.yinzhengjie.org.cn
3>.解密脚本
[root@node101.yinzhengjie.org.cn ~]#
[root@node101.yinzhengjie.org.cn ~]# cd /usr/local/bin/
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : goto
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat goto
#!/bin/sh
skip= tab=' '
nl='
'
IFS=" $tab$nl" umask=`umask`
umask gztmpdir=
trap 'res=$?
test -n "$gztmpdir" && rm -fr "$gztmpdir"
(exit $res); exit $res
' 0 1 2 3 5 10 13 15 if type mktemp >/dev/null >&; then
gztmpdir=`mktemp -dt`
else
gztmpdir=/tmp/gztmp$$; mkdir $gztmpdir
fi || { (exit ); exit ; } gztmp=$gztmpdir/$
case $ in
-* | */*'
') mkdir -p "$gztmp" && rm -r "$gztmp";;
*/*) gztmp=$gztmpdir/`basename "$0"`;;
esac || { (exit ); exit ; } case `echo X | tail -n + >/dev/null` in
X) tail_n=-n;;
*) tail_n=;;
esac
if tail $tail_n +$skip <"$0" | gzip -cd > "$gztmp"; then
umask $umask
chmod "$gztmp"
(sleep ; rm -fr "$gztmpdir") >/dev/null &
"$gztmp" ${+"$@"}; res=$?
else
echo >& "Cannot decompress $0"
(exit ); res=
fi; exit $res
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[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat goto
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : goto
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# gzexe -d goto
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : goto #被解密后的脚本内容
-rwxr-xr-x. root root Mar : goto~ #加密的文件内容
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# gzexe -d goto
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : goto
-rwxr-xr-x. root root Mar : goto~
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat goto
#!/bin/bash
#@author :yinzhengjie
#blog:http://www.cnblogs.com/yinzhengjie
#EMAIL:y1053419035@qq.com host=$
passwd="yinzhengjie" sshpass -p ${passwd} ssh root@${host} -o StrictHostKeyChecking=no
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat goto
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# ll
total
-rwxr-xr-x. root root Mar : goto
-rwxr-xr-x. root root Mar : goto~
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]#
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat goto~
#!/bin/sh
skip= tab=' '
nl='
'
IFS=" $tab$nl" umask=`umask`
umask gztmpdir=
trap 'res=$?
test -n "$gztmpdir" && rm -fr "$gztmpdir"
(exit $res); exit $res
' 0 1 2 3 5 10 13 15 if type mktemp >/dev/null >&; then
gztmpdir=`mktemp -dt`
else
gztmpdir=/tmp/gztmp$$; mkdir $gztmpdir
fi || { (exit ); exit ; } gztmp=$gztmpdir/$
case $ in
-* | */*'
') mkdir -p "$gztmp" && rm -r "$gztmp";;
*/*) gztmp=$gztmpdir/`basename "$0"`;;
esac || { (exit ); exit ; } case `echo X | tail -n + >/dev/null` in
X) tail_n=-n;;
*) tail_n=;;
esac
if tail $tail_n +$skip <"$0" | gzip -cd > "$gztmp"; then
umask $umask
chmod "$gztmp"
(sleep ; rm -fr "$gztmpdir") >/dev/null &
"$gztmp" ${+"$@"}; res=$?
else
echo >& "Cannot decompress $0"
(exit ); res=
fi; exit $res
7fe$ient%rver.sLZמpbC*]'Y^v"B
[root@node101.yinzhengjie.org.cn /usr/local/bin]# cat goto~