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# Copyright (C) 2012 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# 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
. lib/test
name_prefix=$RANDOM
CHARACTER_WHITELIST="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789#+-.:=@_"
FAIL_MIXED_STR="contains mixed mangled and unmangled characters"
FAIL_MULTI_STR="seems to be mangled more than once"
FAIL_BLACK_STR="should be mangled but it contains blacklisted characters"
CORRECT_FORM_STR="name already in correct form"
RENAMING_STR="renaming to"
function create_dm_dev()
{
local mode=$1
local name=$2;
if [ $mode = "none" ]; then
# there's no mangling done - we must use --verifyudev here in
# case we're testing with udev so we have the nodes in place,
# udev would not create them - it can't handle unmangled names
verify_udev="--verifyudev"
else
verify_udev=""
fi
dmsetup create "${name_prefix}$name" $verify_udev --manglename $mode --table "0 1 zero"
}
function remove_dm_dev()
{
local mode=$1
local name=$2
if [ $mode = "none" ]; then
verify_udev="--verifyudev"
else
verify_udev=""
fi
dmsetup remove $verify_udev --manglename $mode "${name_prefix}$name"
}
function check_create_and_remove()
{
local mode=$1
local input_name=$2
local dm_name=$3
local r=0
if [ $mode = "none" ]; then
verify_udev="--verifyudev"
else
verify_udev=""
fi
dmsetup create "${name_prefix}$input_name" $verify_udev --manglename $mode --table "0 1 zero" 2>err && \
test -b "$DM_DEV_DIR/mapper/${name_prefix}$dm_name" && \
dmsetup remove "${name_prefix}$input_name" $verify_udev --manglename $mode || r=1
if [ $dm_name = "FAIL_MIXED" ]; then
r=0
grep "$FAILED_MIXED_STR" err || r=1
elif [ $dm_name = "FAIL_MULTI" ]; then
r=0
grep "$FAILED_MULTI_STR" err || r=1
elif [ $dm_name = "FAIL_BLACK" ]; then
r=0
grep "$FAILED_BLACK_STR" err || r=1
fi
return $r
}
function check_dm_field()
{
local mode=$1
local dm_name="$2"
local field=$3
local expected="$4"
value=$(dmsetup info --rows --noheadings --manglename $mode -c -o $field "${DM_DEV_DIR}/mapper/${name_prefix}$dm_name" 2> err || true)
if [ "$expected" = "FAIL_MIXED" ]; then
grep "$FAIL_MIXED_STR" err
elif [ "$expected" = "FAIL_MULTI" ]; then
grep "$FAIL_MULTI_STR" err
elif [ "$expected" = "FAIL_BLACK" ]; then
grep "$FAIL_BLACK_STR" err
else
test "$value" = "${name_prefix}$expected"
fi
}
function check_expected_names()
{
local mode=$1
local dm_name="$2"
local r=0
create_dm_dev none "$dm_name"
test -b "$DM_DEV_DIR/mapper/${name_prefix}$dm_name" && \
check_dm_field none "$dm_name" name "$dm_name" && \
check_dm_field $mode "$dm_name" name "$3" && \
check_dm_field $mode "$dm_name" mangled_name "$4" && \
check_dm_field $mode "$dm_name" unmangled_name "$5" || r=1
remove_dm_dev none "$dm_name"
return $r
}
function check_mangle_cmd()
{
local mode=$1
local dm_name="$2"
local expected="$3"
local rename_expected=0
local r=0
create_dm_dev none "$dm_name"
dmsetup mangle --manglename $mode "${name_prefix}$dm_name" 1>out 2>err || true;
if [ "$expected" = "OK" ]; then
grep "$CORRECT_FORM_STR" out || r=1
elif [ "$expected" = "FAIL_MIXED" ]; then
grep "$FAIL_MIXED_STR" err || r=1
elif [ "$expected" = "FAIL_MULTI" ]; then
grep "$FAIL_MULTI_STR" err || r=1
else
rename_expected=1
grep -F "$RENAMING_STR ${name_prefix}$expected" out || r=1
fi
if [ $r = 0 -a $rename_expected = 1 ]; then
# successfuly renamed to expected name
remove_dm_dev none "$expected"
elif [ $r = 1 ]; then
# failed to rename to expected or renamed when it should not - find the new name
new_name=$(sed -e "s/.*: $RENAMING_STR //g" out)
# try to remove any of the form - falling back to less probable error scenario
dmsetup remove --verifyudev --manglename none "$new_name" || \
remove_dm_dev none "$dm_name" || remove_dm_dev none "$expected"
else
# successfuly done nothing
remove_dm_dev none "$dm_name"
fi
return $r
}
# check dmsetup can process path where the last component is not equal dm name (rhbz #797322)
r=0
create_dm_dev auto "abc"
ln -s ${DM_DEV_DIR}/mapper/${name_prefix}abc ${DM_DEV_DIR}/${name_prefix}xyz
dmsetup status ${DM_DEV_DIR}/${name_prefix}xyz || r=1
remove_dm_dev auto "abc"
if [ r = 1 ]; then
exit 1
fi
### ALL WHITELISTED CHARACTERS ###
# none of these should be mangled in any mode
name="$CHARACTER_WHITELIST"
for mode in auto hex none; do
check_expected_names $mode "$name" "$name" "$name" "$name"
check_mangle_cmd $mode "$name" "OK"
done
#### NONE MANGLING MODE ###
check_create_and_remove none 'a b' 'a b'
check_create_and_remove none 'a\x20b' 'a\x20b'
check_create_and_remove none 'a b\x20c' 'a b\x20c'
check_create_and_remove none 'a\x5cx20b' 'a\x5cx20b'
check_expected_names none 'a b' 'a b' 'a\x20b' 'a b'
check_expected_names none 'a\x20b' 'a\x20b' 'a\x20b' 'a b'
check_expected_names none 'a b\x20c' 'a b\x20c' 'FAIL_MIXED' 'a b c'
check_expected_names none 'a\x5cx20b' 'a\x5cx20b' 'a\x5cx20b' 'a\x20b'
check_mangle_cmd none 'a b' 'OK'
check_mangle_cmd none 'a\x20b' 'a b'
check_mangle_cmd none 'a b\x20c' 'a b c'
check_mangle_cmd none 'a\x5cx20b' 'a\x20b'
### AUTO MANGLING MODE ###
check_create_and_remove auto 'a b' 'a\x20b'
check_create_and_remove auto 'a\x20b' 'a\x20b'
check_create_and_remove auto 'a b\x20c' 'FAIL_MIXED'
check_create_and_remove auto 'a\x5cx20b' 'FAIL_MULTI'
check_expected_names auto 'a b' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
check_expected_names auto 'a\x20b' 'a b' 'a\x20b' 'a b'
check_expected_names auto 'a b\x20c' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
check_expected_names auto 'a\x5cx20b' 'FAIL_MULTI' 'FAIL_MULTI' 'FAIL_MULTI'
check_mangle_cmd auto 'a b' 'a\x20b'
check_mangle_cmd auto 'a\x20b' 'OK'
check_mangle_cmd auto 'a b\x20c' 'FAIL_MIXED'
check_mangle_cmd auto 'a\x5cx20b' 'FAIL_MULTI'
### HEX MANGLING MODE ###
check_create_and_remove hex 'a b' 'a\x20b'
check_create_and_remove hex 'a\x20b' 'a\x5cx20b'
check_create_and_remove hex 'a b\x20c' 'a\x20b\x5cx20c'
check_create_and_remove hex 'a\x5cx20b' 'a\x5cx5cx20b'
check_expected_names hex 'a b' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
check_expected_names hex 'a\x20b' 'a b' 'a\x20b' 'a b'
check_expected_names hex 'a b\x20c' 'FAIL_BLACK' 'FAIL_BLACK' 'FAIL_BLACK'
check_expected_names hex 'a\x5cx20b' 'a\x20b' 'a\x5cx20b' 'a\x20b'
check_mangle_cmd hex 'a b' 'a\x20b'
check_mangle_cmd hex 'a\x20b' 'OK'
check_mangle_cmd hex 'a b\x20c' 'FAIL_MIXED'
check_mangle_cmd hex 'a\x5cx20b' 'OK'
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