Prevent CNAME loop (#4988)

2022-10-29 15:44:03 +02:00
parent f1b15f7e92 c8c6533440
commit 01bf9ca42a
1 changed files with 6 additions and 1 deletions
--- a/advanced/Scripts/webpage.sh
+++ b/advanced/Scripts/webpage.sh
@@ -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