From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Create malicious . and .. entries (you didn't see the zero-width
joiners at the end, did you?) in a directory to see if scrub will pick
them up.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
tests/generic/453 | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/tests/generic/453 b/tests/generic/453
index 91d163ca..8841f581 100755
--- a/tests/generic/453
+++ b/tests/generic/453
@@ -62,6 +62,15 @@ setf() {
echo "Storing ${key} ($(hexbytes "${key}")) -> ${value}" >> $seqres.full
}
+setd() {
+ key="$(echo -e "$1")"
+ value="$2"
+
+ mkdir -p "${testdir}/${key}"
+ echo "${value}" > "${testdir}/${key}/value"
+ echo "Storing ${key} ($(hexbytes "${key}")) -> ${value}" >> $seqres.full
+}
+
testf() {
key="$(echo -e "$1")"
value="$2"
@@ -80,6 +89,24 @@ testf() {
fi
}
+testd() {
+ key="$(echo -e "$1")"
+ value="$2"
+ fname="${testdir}/${key}/value"
+
+ echo "Testing ${key} ($(hexbytes "${key}")) -> ${value}" >> $seqres.full
+
+ if [ ! -e "${fname}" ]; then
+ echo "Key ${key} does not exist for ${value} test??"
+ return
+ fi
+
+ actual_value="$(cat "${fname}")"
+ if [ "${actual_value}" != "${value}" ]; then
+ echo "Key ${key} has value ${value}, expected ${actual_value}."
+ fi
+}
+
filter_scrub() {
grep 'Unicode' | sed -e 's/^.*Duplicate/Duplicate/g'
}
@@ -143,6 +170,10 @@ setf "zerojoin_moo\xe2\x80\x8dcow.txt" "zero width joiners"
setf "combmark_\xe1\x80\x9c\xe1\x80\xad\xe1\x80\xaf.txt" "combining marks"
setf "combmark_\xe1\x80\x9c\xe1\x80\xaf\xe1\x80\xad.txt" "combining marks"
+# fake dotdot entry
+setd ".\xe2\x80\x8d" "zero width joiners in dot entry"
+setd "..\xe2\x80\x8d" "zero width joiners in dotdot entry"
+
ls -la $testdir >> $seqres.full
echo "Test files"
@@ -190,6 +221,9 @@ testf "zerojoin_moo\xe2\x80\x8dcow.txt" "zero width joiners"
testf "combmark_\xe1\x80\x9c\xe1\x80\xad\xe1\x80\xaf.txt" "combining marks"
testf "combmark_\xe1\x80\x9c\xe1\x80\xaf\xe1\x80\xad.txt" "combining marks"
+testd ".\xe2\x80\x8d" "zero width joiners in dot entry"
+testd "..\xe2\x80\x8d" "zero width joiners in dotdot entry"
+
echo "Uniqueness of inodes?"
stat -c '%i' "${testdir}/"* | sort | uniq -c | while read nr inum; do
if [ "${nr}" -gt 1 ]; then
--
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