blob: 5f7a564bee45d4d5d830a5b34ce07e002c0779b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
#!/bin/bash
# SPDX-License-Identifier: GPL-3.0-or-later
set -o nounset -o xtrace
TEMP_FILE=/tmp/root.hints
HINTS_FILE=etc/root.hints
# download latest root hints
wget -O ${TEMP_FILE} https://www.internic.net/domain/named.root
# strip comments for diff
sed '/^;/d' ${TEMP_FILE} > ${TEMP_FILE}.clean
sed '/^;/d' ${HINTS_FILE} > ${HINTS_FILE}.clean
# check for changes
diff ${TEMP_FILE}.clean ${HINTS_FILE}.clean >/dev/null
CHANGED=$?
if [ $CHANGED -ne 0 ]; then
# update root.hints
mv ${TEMP_FILE} ${HINTS_FILE}
fi
# cleanup
rm -f ${TEMP_FILE} ${TEMP_FILE}.clean ${HINTS_FILE}.clean
# signal change with exit code
exit $CHANGED
|
