michael@13: #!/bin/sh
michael@13: ##
michael@13: ##  usrgrp.sh -- user/group name/id determination
michael@13: ##  Copyright (c) 2000-2007 OpenPKG Foundation e.V. <http://openpkg.net/>
michael@13: ##  Copyright (c) 2000-2007 Ralf S. Engelschall <http://engelschall.com/>
michael@13: ##
michael@13: ##  Permission to use, copy, modify, and distribute this software for
michael@13: ##  any purpose with or without fee is hereby granted, provided that
michael@13: ##  the above copyright notice and this permission notice appear in all
michael@13: ##  copies.
michael@13: ##
michael@13: ##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
michael@13: ##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
michael@13: ##  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
michael@13: ##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
michael@13: ##  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@13: ##  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@13: ##  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
michael@13: ##  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
michael@13: ##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
michael@13: ##  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
michael@13: ##  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@13: ##  SUCH DAMAGE.
michael@13: ##
michael@13: 
michael@13: #   command line parameters (defaults)
michael@13: help=0
michael@13: usr='';  grp=''
michael@13: susr=''; sgrp=''
michael@13: musr=''; mgrp=''
michael@13: rusr=''; rgrp=''
michael@13: nusr=''; ngrp=''
michael@13: suid=''; sgid=''
michael@13: muid=''; mgid=''
michael@13: ruid=''; rgid=''
michael@13: nuid=''; ngid=''
michael@13: 
michael@13: #   parse command line options
michael@13: for opt
michael@13: do
michael@13:     case $opt in
michael@13:         -*=*) arg=`echo "$opt" | sed 's/^[-_a-zA-Z0-9]*=//'` ;;
michael@13:            *) arg='' ;;
michael@13:     esac
michael@13:     case $opt in
michael@13:         -h | --help          ) help=1      ;;
michael@13:         --usr=* | --user=*   ) usr=$arg    ;;
michael@13:         --grp=* | --group=*  ) grp=$arg    ;;
michael@13:         --susr=*             ) susr=$arg   ;;
michael@13:         --sgrp=*             ) sgrp=$arg   ;;
michael@13:         --musr=*             ) musr=$arg   ;;
michael@13:         --mgrp=*             ) mgrp=$arg   ;;
michael@13:         --rusr=*             ) rusr=$arg   ;;
michael@13:         --rgrp=*             ) rgrp=$arg   ;;
michael@13:         --nusr=*             ) nusr=$arg   ;;
michael@13:         --ngrp=*             ) ngrp=$arg   ;;
michael@13:         --suid=*             ) suid=$arg   ;;
michael@13:         --sgid=*             ) sgid=$arg   ;;
michael@13:         --muid=*             ) muid=$arg   ;;
michael@13:         --mgid=*             ) mgid=$arg   ;;
michael@13:         --ruid=*             ) ruid=$arg   ;;
michael@13:         --rgid=*             ) rgid=$arg   ;;
michael@13:         --nuid=*             ) nuid=$arg   ;;
michael@13:         --ngid=*             ) ngid=$arg   ;;
michael@13:         *                    ) help=1      ;;
michael@13:     esac
michael@13: done
michael@13: if [ ".$help" = .1 ]; then
michael@13:     echo "Usage: sh $0 [-h|--help]" 2>&1
michael@13:     echo "             [--[smrn]?usr=<usr>] [--[smrn]?grp=<usr>]" 2>&1
michael@13:     echo "             [--[smrn]uid=<uid>] [--[smrn]gid=<gid>]" 2>&1
michael@13:     exit 1
michael@13: fi
michael@13: 
michael@13: #   determine cusr/cgrp
michael@13: cusr=`(id -un) 2>/dev/null ||\
michael@13:       (id | sed -e 's;^[^(]*(\([^)]*\)).*;\1;') 2>/dev/null ||\
michael@13:       (whoami) 2>/dev/null ||\
michael@13:       (who am i | cut "-d " -f1) 2>/dev/null ||\
michael@13:       echo $LOGNAME`
michael@13: cgid=`(id -g $cusr) 2>/dev/null ||\
michael@13:       ((getent passwd "${cusr}"; grep "^${cusr}:" /etc/passwd; ypmatch "${cusr}" passwd; nismatch "${cusr}" passwd; nidump passwd . | grep "^${cusr}:") 2>/dev/null |\
michael@13:        sed -n -e '1p' | awk -F: '{ print $4; }')`
michael@13: cgrp=`(id -gn $cusr) 2>/dev/null ||\
michael@13:       ((getent group; cat /etc/group; ypcat group; niscat group; nidump group .) 2>/dev/null | grep "^[^:]*:[^:]*:${cgid}:" |\
michael@13:        sed -n -e '1p' | awk -F: '{ print $1; }')`
michael@13: [ ".$cgrp" = . ] && cgrp="$cusr"
michael@13: 
michael@13: #   determine OpenPKG susr/sgrp
michael@13: if [ ".$susr" = . ]; then
michael@13:     if [ ".$usr" = . ]; then
michael@13:         susr="$cusr"
michael@13:     else
michael@13:         susr="root"
michael@13:     fi
michael@13: fi
michael@13: if [ ".$sgrp" = . ]; then
michael@13:     sgrp=`(id -gn $susr) 2>/dev/null`
michael@13:     if [ ".$sgrp" = . ]; then
michael@13:         tgid=`(getent passwd "${susr}"; grep "^${susr}:" /etc/passwd; ypmatch "${susr}" passwd; nismatch "${susr}" passwd; nidump passwd . | grep "^${susr}:") 2>/dev/null |\
michael@13:               sed -n -e '1p' | awk -F: '{ print $4; }'`
michael@13:         if [ ".$tgid" != . ]; then
michael@13:             sgid="${tgid}"
michael@13:             sgrp=`(getent group; cat /etc/group; ypcat group; niscat group; nidump group .) 2>/dev/null |\
michael@13:                   grep "^[^:]*:[^:]*:${sgid}:" | sed -n -e '1p' | awk -F: '{ print $1; }'`
michael@13:         fi
michael@13:         if [ ".$sgrp" = . ]; then
michael@13:             sgrp="wheel"
michael@13:         fi
michael@13:     fi
michael@13: fi
michael@13: 
michael@13: #   determine OpenPKG musr/mgrp
michael@13: if [ ".$musr" = . ]; then
michael@13:     musr="$usr"
michael@13: fi
michael@13: if [ ".$musr" = . ]; then
michael@13:     musr="$cusr"
michael@13: fi
michael@13: if [ ".$mgrp" = . ]; then
michael@13:     mgrp=`(id -gn $musr) 2>/dev/null`
michael@13:     if [ ".$mgrp" = . ]; then
michael@13:         tgid=`(getent passwd "${musr}"; grep "^${musr}:" /etc/passwd; ypmatch "${musr}" passwd; nismatch "${musr}" passwd; nidump passwd . | grep "^${musr}:") 2>/dev/null |\
michael@13:               sed -n -e '1p' | awk -F: '{ print $4; }'`
michael@13:         if [ ".$tgid" != . ]; then
michael@13:             mgid="${tgid}"
michael@13:             mgrp=`(getent group; cat /etc/group; ypcat group; niscat group; nidump group .) 2>/dev/null |\
michael@13:                   grep "^[^:]*:[^:]*:${mgid}:" | sed -n -e '1p' | awk -F: '{ print $1; }'`
michael@13:         fi
michael@13:         if [ ".$mgrp" = . ]; then
michael@13:             mgrp="$grp"
michael@13:         fi
michael@13:         if [ ".$mgrp" = . ]; then
michael@13:             mgrp="$cgrp"
michael@13:         fi
michael@13:     fi
michael@13: fi
michael@13: 
michael@13: #   determine OpenPKG rusr/rgrp
michael@13: if [ ".$rusr" = . ]; then
michael@13:     rusr="${usr}-r"
michael@13: fi
michael@13: if [ ".$rusr" = ".-r" ]; then
michael@13:     rusr="$cusr"
michael@13: fi
michael@13: if [ ".$rgrp" = . ]; then
michael@13:     rgrp=`(id -gn $rusr) 2>/dev/null`
michael@13:     if [ ".$rgrp" = . ]; then
michael@13:         tgid=`(getent passwd "${rusr}"; grep "^${rusr}:" /etc/passwd; ypmatch "${rusr}" passwd; nismatch "${rusr}" passwd; nidump passwd . | grep "^${rusr}:") 2>/dev/null |\
michael@13:               sed -n -e '1p' | awk -F: '{ print $4; }'`
michael@13:         if [ ".$tgid" != . ]; then
michael@13:             rgid="${tgid}"
michael@13:             rgrp=`(getent group; cat /etc/group; ypcat group; nismatch group; nidump group .) 2>/dev/null |\
michael@13:                   grep "^[^:]*:[^:]*:${rgid}:" | sed -n -e '1p' | awk -F: '{ print $1; }'`
michael@13:         fi
michael@13:         if [ ".$rgrp" = . ]; then
michael@13:             rgrp="${grp}-r"
michael@13:         fi
michael@13:         if [ ".$rgrp" = ".-r" ]; then
michael@13:             rgrp="$cgrp"
michael@13:         fi
michael@13:     fi
michael@13: fi
michael@13: 
michael@13: #   determine OpenPKG nusr/ngrp
michael@13: if [ ".$nusr" = . ]; then
michael@13:     nusr="${usr}-n"
michael@13: fi
michael@13: if [ ".$nusr" = ".-n" ]; then
michael@13:     nusr="$cusr"
michael@13: fi
michael@13: if [ ".$ngrp" = . ]; then
michael@13:     ngrp=`(id -gn $nusr) 2>/dev/null`
michael@13:     if [ ".$ngrp" = . ]; then
michael@13:         tgid=`(getent passwd "${nusr}"; grep "^${nusr}:" /etc/passwd; ypmatch "${nusr}" passwd; nismatch "${nusr}" passwd; nidump passwd . | grep "^${nusr}:") 2>/dev/null |\
michael@13:               sed -n -e '1p' | awk -F: '{ print $4; }'`
michael@13:         if [ ".$tgid" != . ]; then
michael@13:             ngid="${tgid}"
michael@13:             ngrp=`(getent group; cat /etc/group; ypcat group; niscat group; nidump group .) 2>/dev/null |\
michael@13:                   grep "^[^:]*:[^:]*:${ngid}:" | sed -n -e '1p' | awk -F: '{ print $1; }'`
michael@13:         fi
michael@13:         if [ ".$ngrp" = . ]; then
michael@13:             ngrp="${grp}-n"
michael@13:         fi
michael@13:         if [ ".$ngrp" = ".-n" ]; then
michael@13:             ngrp="$cgrp"
michael@13:         fi
michael@13:     fi
michael@13: fi
michael@13: 
michael@13: #   determine OpenPKG suid/sgid
michael@13: #   (currently not necessary)
michael@13: 
michael@13: #   determine OpenPKG muid/mgid
michael@13: #   (currently not necessary)
michael@13: 
michael@13: #   determine OpenPKG ruid/rgid
michael@13: #   (currently not necessary)
michael@13: 
michael@13: #   determine OpenPKG nuid/ngid
michael@13: #   (currently not necessary)
michael@13: 
michael@13: #   print results
michael@13: output=""
michael@13: for var in \
michael@13:     susr sgrp \
michael@13:     musr mgrp \
michael@13:     rusr rgrp \
michael@13:     nusr ngrp \
michael@13:     suid sgid \
michael@13:     muid mgid \
michael@13:     ruid rgid \
michael@13:     nuid ngid; do
michael@13:     eval "val=\"\$$var\""
michael@13:     if [ ".$output" = . ]; then
michael@13:         output="$var=\"$val\""
michael@13:     else
michael@13:         output="$output; $var=\"$val\""
michael@13:     fi
michael@13: done
michael@13: echo $output
michael@13: