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Full Discussion: bash/awk scripting help (creating OLD new users)
Top Forums Shell Programming and Scripting bash/awk scripting help (creating OLD new users) Post 302093051 by justsam on Tuesday 17th of October 2006 05:36:38 AM
Old 10-17-2006
Hi Jukai,

Completing Yogesh's relpy....

#! /bin/sh

#Get the list of users in home directory
LIST=`ls -l /home | awk '{print $9}'`

#Find the users who have a user-id greater than 500
for USER in $LIST
do
USER_ID=`/usr/bin/id ${USER} | cut -f1 -d '(' | cut -f2 -d'='`
if [ ${USER_ID} -gt 500 ]
then
SUCC_LIST=`echo "${SUCC_LIST} ${USER}"`
fi
done

#Delete the files which are older than 5 days for the above collected users
for USR in ${SUCC_LIST}
do
/usr/bin/find /home/${USR} -name ",*" -type f -mtime +5 -exec /bin/rm -f {};
done


Note: Remember the above script deletes only files but not directories... for that u can modify the last find command accordingly....
Last edited by justsam; 10-17-2006 at 06:58 AM.. Reason: Small change required to the last for loop
justsam
 

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LEARN ABOUT DEBIAN

smrsh

SMRSH(8)						      System Manager's Manual							  SMRSH(8)

NAME

       smrsh - restricted shell for sendmail

SYNOPSIS

       smrsh -c command

DESCRIPTION

       The smrsh program is intended as a replacement for sh for use in the ``prog'' mailer in sendmail(8) configuration files.  It sharply limits
       the commands that can be run using the ``|program'' syntax of sendmail in order to improve the over all security of your system.   Briefly,
       even  if  a  ``bad guy'' can get sendmail to run a program without going through an alias or forward file, smrsh limits the set of programs
       that he or she can execute.

       Briefly, smrsh limits programs to be in a single directory, by default /usr/adm/sm.bin, allowing the system administrator to choose the set
       of  acceptable commands, and to the shell builtin commands ``exec'', ``exit'', and ``echo''.  It also rejects any commands with the charac-
       ters ``', `<', `>', `;', `$', `(', `)', `
' (carriage return), or `
' (newline) on the command line to prevent ``end run''  attacks.	It
       allows ``||'' and ``&&'' to enable commands like: ``"|exec /usr/local/bin/filter || exit 75"''

       Initial	pathnames  on programs are stripped, so forwarding to ``/usr/ucb/vacation'', ``/usr/bin/vacation'', ``/home/server/mydir/bin/vaca-
       tion'', and ``vacation'' all actually forward to ``/usr/adm/sm.bin/vacation''.

       System administrators should be conservative about populating the sm.bin directory.  For example, a reasonable  additions  is  vacation(1),
       and  the  like.	No matter how brow-beaten you may be, never include any shell or shell-like program (such as perl(1)) in the sm.bin direc-
       tory.  Note that this does not restrict the use of shell or perl scripts in the sm.bin directory (using the ``#!'' syntax); it simply  dis-
       allows  execution  of  arbitrary  programs.   Also,  including mail filtering programs such as procmail(1) is a very bad idea.  procmail(1)
       allows users to run arbitrary programs in their procmailrc(5).

COMPILATION

       Compilation should be trivial on most systems.  You may need to use -DSMRSH_PATH="path" to adjust the default search  path  (defaults	to
       ``/bin:/usr/bin:/usr/ucb'') and/or -DSMRSH_CMDDIR="dir" to change the default program directory (defaults to ``/usr/adm/sm.bin'').

FILES

       /usr/adm/sm.bin - default directory for restricted programs on most OSs

       /var/adm/sm.bin - directory for restricted programs on HP UX and Solaris

       /usr/libexec/sm.bin - directory for restricted programs on FreeBSD (>= 3.3) and DragonFly BSD

SEE ALSO

       sendmail(8)

							   $Date: 2004/08/06 03:55:35 $ 						  SMRSH(8)
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