##/bin/bash #----------------------------------------------------------------------- # Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 # USA # # Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, # Mountain View, CA 94043, USA, or: http://www.sgi.com #----------------------------------------------------------------------- # common extended attribute and ACL support # pick three unused user/group ids, store them as $acl[1-3] # _acl_setup_ids() { eval `cat /etc/passwd /etc/group | awk -F: ' { ids[$3]=1 } END { j=1 for(i=1; i<1000000 && j<=3;i++){ if (! (i in ids)) { printf "acl%d=%d;", j, i; j++ } } }'` } # filter for the acl ids selected above # _acl_filter_id() { sed \ -e "s/u:$acl1/u:id1/" \ -e "s/u:$acl2/u:id2/" \ -e "s/u:$acl3/u:id3/" \ -e "s/g:$acl1/g:id1/" \ -e "s/g:$acl2/g:id2/" \ -e "s/g:$acl3/g:id3/" \ -e "s/ $acl1 / id1 /" \ -e "s/ $acl2 / id2 /" \ -e "s/ $acl3 / id3 /" } # filtered ls # _acl_ls() { _ls_l -n $* | awk '{ print $1, $3, $4, $NF }' | _acl_filter_id } # _acl_list() { _file1=$1 if [ $HOSTOS = "IRIX" ]; then ls -dD $_file1 | _acl_filter_id else chacl -l $_file1 | _acl_filter_id fi } # create an ACL with n ACEs in it # _create_n_aces() { let n=$1-4 acl='u::rwx,g::rwx,o::rwx,m::rwx' # 4 ace acl start while [ $n -ne 0 ]; do acl="$acl,u:$n:rwx" let n=$n-1 done echo $acl } # filter user ace names to user ids # _filter_aces() { $AWK_PROG ' BEGIN { FS=":" while ( getline <"/etc/passwd" > 0 ) { idlist[$1] = $3 } } /^user/ { if ($2 in idlist) sub($2, idlist[$2]); print; next} /^u/ { if ($2 in idlist) sub($2, idlist[$2]); print; next} /^default:user/ { if ($3 in idlist) sub($3, idlist[$3]); print; next} {print} ' } _filter_aces_notypes() { tr '\[' '\012' | tr ']' '\012' | tr ',' '\012' | _filter_aces|\ sed -e 's/u:/user:/' -e 's/g:/group:/' -e 's/o:/other:/' -e 's/m:/mask:/' } # test if acl code will work # _require_acls() { xfsdir=$TEST_DIR if [ ! -x /bin/chacl -a ! -x /usr/bin/chacl -a ! -x /sbin/chacl ]; then _notrun "chacl command not found" fi # test if acl_get syscall is operational # and hence the ACL config has been turned on touch $xfsdir/syscalltest if chacl -l $xfsdir/syscalltest 2>&1 | tee -a $here/$seq.full | grep 'Function not implemented' >/dev/null then cd $here _notrun "requires kernel ACL support" fi } _list_acl() { file=$1 ls -dD $file | _acl_filter_id } # make sure this script returns success /bin/true