| Current Path : /usr/sbin/ |
| Current File : //usr/sbin/rmuser |
#!/bin/sh
#
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
#
# Copyright (c) 2002, 2003 Michael Telahun Makonnen. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Email: Mike Makonnen <mtm@FreeBSD.Org>
#
# $FreeBSD: releng/12.1/usr.sbin/adduser/rmuser.sh 326276 2017-11-27 15:37:16Z pfg $
#
ATJOBDIR="/var/at/jobs"
CRONJOBDIR="/var/cron/tabs"
MAILSPOOL="/var/mail"
SIGKILL="-KILL"
TEMPDIRS="/tmp /var/tmp"
THISCMD=`/usr/bin/basename $0`
PWCMD="${PWCMD:-/usr/sbin/pw}"
# err msg
# Display $msg on stderr.
#
err() {
echo 1>&2 ${THISCMD}: $*
}
# verbose
# Returns 0 if verbose mode is set, 1 if it is not.
#
verbose() {
[ -n "$vflag" ] && return 0 || return 1
}
# rm_files login
# Removes files or empty directories belonging to $login from various
# temporary directories.
#
rm_files() {
# The argument is required
[ -n $1 ] && login=$1 || return
totalcount=0
for _dir in ${TEMPDIRS} ; do
filecount=0
if [ ! -d $_dir ]; then
err "$_dir is not a valid directory."
continue
fi
verbose && echo -n "Removing files owned by ($login) in $_dir:"
filecount=`find 2>/dev/null "$_dir" -user "$login" -delete -print |
wc -l | sed 's/ *//'`
verbose && echo " $filecount removed."
totalcount=$(($totalcount + $filecount))
done
! verbose && [ $totalcount -ne 0 ] && echo -n " files($totalcount)"
}
# rm_mail login
# Removes unix mail and pop daemon files belonging to the user
# specified in the $login argument.
#
rm_mail() {
# The argument is required
[ -n $1 ] && login=$1 || return
verbose && echo -n "Removing mail spool(s) for ($login):"
if [ -f ${MAILSPOOL}/$login ]; then
verbose && echo -n " ${MAILSPOOL}/$login" ||
echo -n " mailspool"
rm ${MAILSPOOL}/$login
fi
if [ -f ${MAILSPOOL}/.${login}.pop ]; then
verbose && echo -n " ${MAILSPOOL}/.${login}.pop" ||
echo -n " pop3"
rm ${MAILSPOOL}/.${login}.pop
fi
verbose && echo '.'
}
# kill_procs login
# Send a SIGKILL to all processes owned by $login.
#
kill_procs() {
# The argument is required
[ -n $1 ] && login=$1 || return
verbose && echo -n "Terminating all processes owned by ($login):"
killcount=0
proclist=`ps 2>/dev/null -U $login | grep -v '^\ *PID' | awk '{print $1}'`
for _pid in $proclist ; do
kill 2>/dev/null ${SIGKILL} $_pid
killcount=$(($killcount + 1))
done
verbose && echo " ${SIGKILL} signal sent to $killcount processes."
! verbose && [ $killcount -ne 0 ] && echo -n " processes(${killcount})"
}
# rm_at_jobs login
# Remove at (1) jobs belonging to $login.
#
rm_at_jobs() {
# The argument is required
[ -n $1 ] && login=$1 || return
atjoblist=`find 2>/dev/null ${ATJOBDIR} -maxdepth 1 -user $login -print`
jobcount=0
verbose && echo -n "Removing at(1) jobs owned by ($login):"
for _atjob in $atjoblist ; do
rm -f $_atjob
jobcount=$(($jobcount + 1))
done
verbose && echo " $jobcount removed."
! verbose && [ $jobcount -ne 0 ] && echo -n " at($jobcount)"
}
# rm_crontab login
# Removes crontab file belonging to user $login.
#
rm_crontab() {
# The argument is required
[ -n $1 ] && login=$1 || return
verbose && echo -n "Removing crontab for ($login):"
if [ -f ${CRONJOBDIR}/$login ]; then
verbose && echo -n " ${CRONJOBDIR}/$login" || echo -n " crontab"
rm -f ${CRONJOBDIR}/$login
fi
verbose && echo '.'
}
# rm_ipc login
# Remove all IPC mechanisms which are owned by $login.
#
rm_ipc() {
verbose && echo -n "Removing IPC mechanisms"
for i in s m q; do
ipcs -$i |
awk -v i=$i -v login=$1 '$1 == i && $5 == login { print $2 }' |
xargs -n 1 ipcrm -$i
done
verbose && echo '.'
}
# rm_user login
# Remove user $login from the system. This subroutine makes use
# of the pw(8) command to remove a user from the system. The pw(8)
# command will remove the specified user from the user database
# and group file and remove any crontabs. His home
# directory will be removed if it is owned by him and contains no
# files or subdirectories owned by other users. Mail spool files will
# also be removed.
#
rm_user() {
# The argument is required
[ -n $1 ] && login=$1 || return
verbose && echo -n "Removing user ($login)"
[ -n "$pw_rswitch" ] && {
verbose && echo -n " (including home directory)"
! verbose && echo -n " home"
}
! verbose && echo -n " passwd"
verbose && echo -n " from the system:"
${PWCMD} userdel -n $login $pw_rswitch
verbose && echo ' Done.'
}
# prompt_yesno msg
# Prompts the user with a $msg. The answer is expected to be
# yes, no, or some variation thereof. This subroutine returns 0
# if the answer was yes, 1 if it was not.
#
prompt_yesno() {
# The argument is required
[ -n "$1" ] && msg="$1" || return
while : ; do
echo -n "$msg"
read _ans
case $_ans in
[Nn][Oo]|[Nn])
return 1
;;
[Yy][Ee][Ss]|[Yy][Ee]|[Yy])
return 0
;;
*)
;;
esac
done
}
# show_usage
# (no arguments)
# Display usage message.
#
show_usage() {
echo "usage: ${THISCMD} [-yv] [-f file] [user ...]"
echo " if the -y switch is used, either the -f switch or"
echo " one or more user names must be given"
}
#### END SUBROUTINE DEFENITION ####
ffile=
fflag=
procowner=
pw_rswitch=
userlist=
yflag=
vflag=
procowner=`/usr/bin/id -u`
if [ "$procowner" != "0" ]; then
err 'you must be root (0) to use this utility.'
exit 1
fi
args=`getopt 2>/dev/null yvf: $*`
if [ "$?" != "0" ]; then
show_usage
exit 1
fi
set -- $args
for _switch ; do
case $_switch in
-y)
yflag=1
shift
;;
-v)
vflag=1
shift
;;
-f)
fflag=1
ffile="$2"
shift; shift
;;
--)
shift
break
;;
esac
done
# Get user names from a file if the -f switch was used. Otherwise,
# get them from the commandline arguments. If we're getting it
# from a file, the file must be owned by and writable only by root.
#
if [ $fflag ]; then
_insecure=`find $ffile ! -user 0 -or -perm +0022`
if [ -n "$_insecure" ]; then
err "file ($ffile) must be owned by and writeable only by root."
exit 1
fi
if [ -r "$ffile" ]; then
userlist=`cat $ffile | while read _user _junk ; do
case $_user in
\#*|'')
;;
*)
echo -n "$userlist $_user"
;;
esac
done`
fi
else
while [ $1 ] ; do
userlist="$userlist $1"
shift
done
fi
# If the -y or -f switch has been used and the list of users to remove
# is empty it is a fatal error. Otherwise, prompt the user for a list
# of one or more user names.
#
if [ ! "$userlist" ]; then
if [ $fflag ]; then
err "($ffile) does not exist or does not contain any user names."
exit 1
elif [ $yflag ]; then
show_usage
exit 1
else
echo -n "Please enter one or more usernames: "
read userlist
fi
fi
_user=
_uid=
for _user in $userlist ; do
# Make sure the name exists in the passwd database and that it
# does not have a uid of 0
#
userrec=`pw 2>/dev/null usershow -n $_user`
if [ "$?" != "0" ]; then
err "user ($_user) does not exist in the password database."
continue
fi
_uid=`echo $userrec | awk -F: '{print $3}'`
if [ "$_uid" = "0" ]; then
err "user ($_user) has uid 0. You may not remove this user."
continue
fi
# If the -y switch was not used ask for confirmation to remove the
# user and home directory.
#
if [ -z "$yflag" ]; then
echo "Matching password entry:"
echo
echo $userrec
echo
if ! prompt_yesno "Is this the entry you wish to remove? " ; then
continue
fi
_homedir=`echo $userrec | awk -F: '{print $9}'`
if prompt_yesno "Remove user's home directory ($_homedir)? "; then
pw_rswitch="-r"
fi
else
pw_rswitch="-r"
fi
# Disable any further attempts to log into this account
${PWCMD} 2>/dev/null lock $_user
# Remove crontab, mail spool, etc. Then obliterate the user from
# the passwd and group database.
#
! verbose && echo -n "Removing user ($_user):"
rm_crontab $_user
rm_at_jobs $_user
rm_ipc $_user
kill_procs $_user
rm_files $_user
rm_mail $_user
rm_user $_user
! verbose && echo "."
done
Медичний центр LEVMED (ЛЕВМЕД) в Голосіївському районі Києва в КМКЛ№10 (Київська міська клінічна лікарня №10) за 380 метрів від метро Голосіївська.
Індивідуальний підхід до Вашого здоров'я з 1997 року.
У нас є електрика, вода, опалення та інтернет без відключень!
Зараз ми працюємо в режимі 6/1 за скороченим графіком з 9 до 18.
Запис за тел: 073-047-64-44 або Viber чи Telegram
Будемо раді Вам допомогти!
ЛЕВМЕД вчора і сьогодніРозпочавши свою роботу у 1997 році в КМКЛ№10 (Київська міська клінічна лікарня №10) як Центр мануальної терапії Левицького, який займався виключно консервативним лікуванням патологій хребта, зараз ЛЕВМЕД є багатопрофільним медичним центром, який продовжує працювати в КМКЛ №10 поруч з метро Голосіївська.
Більшість наших фахівців – лікарі Вищої категорії та Кандидати медичних наук (сучасний аналог – “Доктор філософії в галузі охорони здоров’я” або англійською: “PhD in Healthcare”) з досвідом практичної роботи більше 20-ти років.
У нас доступні ціни та зручна локація.
Звертайтесь – будемо раді Вам допомогти!
