various fixes for bullseye and new ssh key changes

[automated-distro-installer] / chost

diff --git a/chost b/chost
index a26529fee9efbeaf3a14632946d59d4e84d7bc8d..18c0aacb1f0ec73f2ca956efa1aa12bb4f93be99 100755 (executable)
--- a/chost
+++ b/chost
@@ -11,5 +11,11 @@ host=$1
 # a valid address and we just use that
 addr=$(host $host | sed -rn 's/^\S+ has address //p;T;q' ||:)
 h=$(host $addr)
+case $h in
+  *"no PTR record")
+    echo "error: chost: $h" >&2
+    exit 1
+    ;;
+esac
 h=${h##* }
 echo $h