set_xva_bridge: set owner and permissions in tar command

Erase the output archive members' owner and permissions directly through
tar command line.  Make extracted temp files readable with chmod to
avoid using sudo for reading input files.

Signed-off-by: Tu Dinh <[email protected]>

Author: dinhngtu

scripts/set_xva_bridge.sh

@@ -105,10 +105,10 @@ else
     exit 1
 fi
 
+chmod -R u+rX "${TMPFOLDER}"
+
 if [ -e "${TMPFOLDER}/ova.xml" ]; then
-    chmod +rw "${TMPFOLDER}/ova.xml"
-    sed -i "s/<member><name>bridge<\/name><value>[^<]*<\/value><\/member>/<member><name>bridge<\/name><value>${BRIDGE_VALUE}<\/value><\/member>/g" ${TMPFOLDER}/ova.xml
-    chmod -rw "${TMPFOLDER}/ova.xml"
+    sed -i "s/<member><name>bridge<\/name><value>[^<]*<\/value><\/member>/<member><name>bridge<\/name><value>${BRIDGE_VALUE}<\/value><\/member>/g" "${TMPFOLDER}/ova.xml"
 else
     echo "Error: File ova.xml not found during the sed."
     exit 1
@@ -118,15 +118,11 @@ fi
 # save first file
 mv "${XVA_NAME}" "${XVA_NAME}.save"
 
-# create xva
-cd "${TMPFOLDER}"
-
 # Create the new XVA
-sudo tar -cv --${COMPRESS_METHOD} -f ${XVA_NAME} --no-recursion -T ${TMP_LIST}
+tar -C "${TMPFOLDER}" --${COMPRESS_METHOD} -cf "${XVA_NAME}" --no-recursion -T "${TMP_LIST}" --numeric-owner --owner=:0 --group=:0 --mode=ugo= --mtime=@0
 rm -f "${TMP_LIST}"
 
 # clean TMPFOLDER
-cd ..
 if [ -d "${TMPFOLDER}" ]; then
     rm -Rf "${TMPFOLDER}"
 else