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|
##/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_passwd; _cat_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()
{
tmp_file=`mktemp /tmp/ace.XXXXXX`
(_cat_passwd; _cat_group) > $tmp_file
$AWK_PROG -v tmpfile=$tmp_file '
BEGIN {
FS=":"
while ( getline <tmpfile > 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}
'
rm -f $tmp_file
}
_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:/'
}
_require_acls()
{
if [ ! -x /bin/chacl -a ! -x /usr/bin/chacl -a ! -x /sbin/chacl ]; then
_notrun "chacl command not found"
fi
#
# Test if chacl is able to list ACLs on the target filesystems. On really
# old kernels the system calls might not be implemented at all, but the
# more common case is that the tested filesystem simply doesn't support
# ACLs.
#
touch $TEST_DIR/syscalltest
chacl -l $TEST_DIR/syscalltest > $TEST_DIR/syscalltest.out 2>&1
cat $TEST_DIR/syscalltest.out >> $here/$seq.full
if grep -q 'Function not implemented' $TEST_DIR/syscalltest.out; then
_notrun "kernel does not support ACLs"
fi
if grep -q 'Operation not supported' $TEST_DIR/syscalltest.out; then
_notrun "ACLs not supported by this filesystem type: $FSTYP"
fi
rm -f $TEST_DIR/syscalltest.out
}
_list_acl()
{
file=$1
ls -dD $file | _acl_filter_id
}
_require_attrs()
{
[ -n $ATTR_PROG ] || _notrun "attr command not found"
[ -n $GETFATTR_PROG ] || _notrun "getfattr command not found"
[ -n $SETFATTR_PROG ] || _notrun "setfattr command not found"
#
# Test if chacl is able to write an attribute on the target filesystems.
# On really old kernels the system calls might not be implemented at all,
# but the more common case is that the tested filesystem simply doesn't
# support attributes. Note that we can't simply list attributes as
# various security modules generate synthetic attributes not actually
# stored on disk.
#
touch $TEST_DIR/syscalltest
attr -s "user.xfstests" -V "attr" $TEST_DIR > $TEST_DIR/syscalltest.out 2>&1
cat $TEST_DIR/syscalltest.out >> $here/$seq.full
if grep -q 'Function not implemented' $TEST_DIR/syscalltest.out; then
_notrun "kernel does not support attrs"
fi
if grep -q 'Operation not supported' $TEST_DIR/syscalltest.out; then
_notrun "attrs not supported by this filesystem type: $FSTYP"
fi
rm -f $TEST_DIR/syscalltest.out
}
# getfattr -R returns info in readdir order which varies from fs to fs.
# This sorts the output by filename
_sort_getfattr_output()
{
awk '{a[FNR]=$0}END{n = asort(a); for(i=1; i <= n; i++) print a[i]"\n"}' RS=''
}
# set maximum total attr space based on fs type
if [ "$FSTYP" == "xfs" -o "$FSTYP" == "udf" ]; then
MAX_ATTRS=1000
else # Assume max ~1 block of attrs
BLOCK_SIZE=`stat -f $TEST_DIR | grep "Block size" | cut -d " " -f3`
# user.attribute_XXX="value.XXX" is about 32 bytes; leave some overhead
let MAX_ATTRS=$BLOCK_SIZE/40
fi
export MAX_ATTRS
# Set max attr value size based on fs type
if [ "$FSTYP" == "xfs" -o "$FSTYP" == "udf" -o "$FSTYP" == "btrfs" ]; then
MAX_ATTRVAL_SIZE=64
else # Assume max ~1 block of attrs
BLOCK_SIZE=`stat -f $TEST_DIR | grep "Block size" | cut -d " " -f3`
# leave a little overhead
let MAX_ATTRVAL_SIZE=$BLOCK_SIZE-256
fi
export MAX_ATTRVAL_SIZE
# make sure this script returns success
/bin/true
|
