Current Path : /compat/linux/proc/self/root/usr/sbin/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //compat/linux/proc/self/root/usr/sbin/rmuser |
#!/bin/sh # # 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: release/9.1.0/usr.sbin/adduser/rmuser.sh 181006 2008-07-30 18:37:21Z jhb $ # 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