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Top Forums Shell Programming and Scripting How to verify all user home directories are writable only by their owner Post 302368522 by NuuBe on Thursday 5th of November 2009 03:36:16 AM
How to verify all user home directories are writable only by their owner

Hi, I'm currently working on my school assignment on how to verify that all user home directories are writable only by their owner on Solaris with VMware. But I'm not sure why my codes take a very long time to display the results. My friend says it's the `su - $i -c "ls -ld" 2> /dev/null | grep ^d | awk '{print $1}'` part that is causing the problem but his not sure what to do either. Can someone please help me? Thanks.

#!/usr/bin/bash
clear
echo " Verifying if user home directories are writable only by their owner"
echo

TEMPFILE=/permgrep.txt
TEMPFILE2=/namegrep.txt
accno=0
h=1
no=1
Ps=0
Fs=0

if [ ! -f ${TEMPFILE} ]
then
touch ${TEMPFILE}
fi

if [ ! -f ${TEMPFILE2} ]
then
touch ${TEMPFILE2}
fi

ACCOUNTS=`cat /etc/passwd | awk -F: '{print $1}'`
array=($ACCOUNTS)

for i in "${array[@]}"
do
let "accno += 1"
PRINTER=`su - $i -c "ls -ld" 2> /dev/null | grep ^d | awk '{print $1}'`
if [ -n "$PRINTER" ]
then
echo $PRINTER >> $TEMPFILE
echo $i >> $TEMPFILE2
fi
done

echo

for line in $(cat /permgrep.txt)
do

READTF2=`head -$h /namegrep.txt | tail -1`

if [ $line == 'drwxr-xr-x' ]
then
echo $no"-"$READTF2": PASS"
let "h += 1"
let "Ps += 1"

else
echo $no"-"$READTF2": FAIL"
let "h += 1"
let "Fs += 1"
fi

let "no += 1"

done

nohodi=`expr $accno - $Ps - $Fs`

echo " Total user accounts: "$accno
echo " Pass: "$Ps
echo " Fail: "$Fs
echo " no home directory : "$nohodi

rm /namegrep.txt
rm /permgrep.txt
 
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STICKY(7)					       BSD Miscellaneous Information Manual						 STICKY(7)

NAME
sticky -- sticky text and append-only directories DESCRIPTION
A special file mode, called the sticky bit (mode S_ISVTX), is used to indicate special treatment for directories. It is ignored for regular files. See chmod(2) or the file <sys/stat.h> for an explanation of file modes. STICKY DIRECTORIES
A directory whose `sticky bit' is set becomes an append-only directory, or, more accurately, a directory in which the deletion of files is restricted. A file in a sticky directory may only be removed or renamed by a user if the user has write permission for the directory and the user is the owner of the file, the owner of the directory, or the super-user. This feature is usefully applied to directories such as /tmp which must be publicly writable but should deny users the license to arbitrarily delete or rename each others' files. Any user may create a sticky directory. See chmod(1) for details about modifying file modes. HISTORY
A sticky command appeared in Version 32V AT&T UNIX. BUGS
Neither open(2) nor mkdir(2) will create a file with the sticky bit set. BSD
June 5, 1993 BSD

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