One Hat Cyber Team

Your IP: 216.73.216.144
Server IP: 157.245.143.252
Server: Linux www 6.11.0-9-generic #9-Ubuntu SMP PREEMPT_DYNAMIC Mon Oct 14 13:19:59 UTC 2024 x86_64
Server Software: nginx/1.26.0
PHP Version: 8.3.11
Buat File | Buat Folder

View File Name : add-shell

#!/bin/sh -e

if test $# -eq 0
then
	echo usage: $0 shellname [shellname ...]
	exit 1
fi

file=/etc/shells
# I want this to be GUARANTEED to be on the same filesystem as $file
tmpfile=${file}.tmp

set -o noclobber

trap "rm -f $tmpfile" EXIT

if ! awk '{print}' $file > $tmpfile
then
        cat 1>&2 <<EOF
Either another instance of $0 is running, or it was previously interrupted.
Please examine ${tmpfile} to see if it should be moved onto ${file}.
EOF
        exit 1
fi

for i
do
        if ! grep -q "^${i}$" $tmpfile
        then
                echo $i >> $tmpfile
        fi
done

chmod --reference=$file $tmpfile
chown --reference=$file $tmpfile

mv $tmpfile $file

trap "" EXIT
exit 0