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Sh3ll

Server : LiteSpeed
System : Linux v2202501248978307069 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64
User : voirf6718 ( 1002)
PHP Version : 7.3.33-1+focal
Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,
Directory : /usr/sbin/

Upload File :

Current File : //usr/sbin/remove-shell

#!/bin/sh -e

if test $# -eq 0
then
        echo usage: $0 shellname '[shellname ...]' 1>&2
        exit 1
fi

file=/etc/shells
# I want this to be GUARANTEED to be on the same filesystem as $file
tmpfile=${file}.tmp
otmpfile=${file}.tmp2

set -o noclobber

trap "rm -f $tmpfile $otmpfile" EXIT

if ! cat $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

# this is supposed to be reliable, not pretty
for i
do
        REALDIR="$(dirname $(realpath -m $i))/$(basename $i)"
        for j in "$i" "$REALDIR"
        do
                grep -v "^${j}$" $tmpfile > $otmpfile || true
                mv $otmpfile $tmpfile
        done
done

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

mv $tmpfile $file

trap "" EXIT
exit 0

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