report: make sure control charcters are encoded in xUnit report

Control characters (such as backspace, used in progress reports by
mkfs.ext4, for example) can make Python's XML parsers choke, claiming
that it is an invalid XML document.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

diff --git a/common/report b/common/report
index ffa23719de2f828912abbe3e8ed0c5798a518f02..a62d343e52167479a3e54cb0e1cda6ac923a2721 100644 (file)
--- a/common/report
+++ b/common/report
@@ -27,11 +27,12 @@ REPORT_ENV_LIST="$REPORT_ENV_LIST OVL_WORK"
 
 encode_xml()
 {
-    sed -e 's/&/\&/g' \
-       -e 's/>/\>/g' \
-       -e 's/</\&lt;/g' \
-       -e "s/'/\&apos;/g" \
-       -e 's/"/\&quot;/g'
+       cat -v | \
+           sed -e 's/&/\&amp;/g' \
+               -e 's/>/\&gt;/g' \
+               -e 's/</\&lt;/g' \
+               -e "s/'/\&apos;/g" \
+               -e 's/"/\&quot;/g'
 }
 
 #