arno/pi-hole
1
0
Fork 0
mirror of https://github.com/pi-hole/pi-hole synced 2024-11-18 06:08:21 +00:00
Code Issues Releases Wiki Activity

Prevent CNAME loop (#4988)

Browse Source
This commit is contained in:
yubiuser 2022-10-29 15:44:03 +02:00 committed by GitHub
commit 01bf9ca42a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
advanced/Scripts/webpage.sh
View File

@ -738,7 +738,12 @@ AddCustomCNAMERecord() {
if [[ -n "${validDomain}" ]]; then
validTarget="$(checkDomain "${target}")"
if [[ -n "${validTarget}" ]]; then
echo "cname=${validDomain},${validTarget}" >> "${dnscustomcnamefile}"
if [ "${validDomain}" = "${validTarget}" ]; then
echo " ${CROSS} Domain and target are the same. This would cause a DNS loop."
exit 1
else
echo "cname=${validDomain},${validTarget}" >> "${dnscustomcnamefile}"
fi
else
echo " ${CROSS} Invalid Target Passed!"
exit 1