1 files changed, 40 insertions, 0 deletions

diff --git a/debian/openssh-server.config b/debian/openssh-server.config
new file mode 100644
index 000000000..67a074ec2
--- /dev/null
+++ b/debian/openssh-server.config
@@ -0,0 +1,40 @@
+#! /bin/sh
+set -e
+
+. /usr/share/debconf/confmodule
+db_version 2.0
+
+get_config_option() {
+        option="$1"
+
+        [ -f /etc/ssh/sshd_config ] || return
+
+        # TODO: actually only one '=' allowed after option
+        perl -lne '
+                s/[[:space:]]+/ /g; s/[[:space:]]+$//;
+                print if s/^[[:space:]]*'"$option"'[[:space:]=]+//i' \
+           /etc/ssh/sshd_config 2>/dev/null
+}
+
+permit_root_login="$(get_config_option PermitRootLogin)"
+if [ -f /etc/ssh/sshd_config ]; then
+        # Make sure the debconf database is in sync with the current state
+        # of the system.
+        if [ "$permit_root_login" = yes ]; then
+                db_set openssh-server/permit-root-login false
+        else
+                db_set openssh-server/permit-root-login true
+        fi
+fi
+
+if dpkg --compare-versions "$2" lt-nl 1:6.6p1-1 && \
+   [ "$permit_root_login" = yes ]; then
+        if [ "$(getent shadow root | cut -d: -f2)" = "!" ]; then
+                db_set openssh-server/permit-root-login true
+        else
+                db_input high openssh-server/permit-root-login || true
+                db_go
+        fi
+fi
+
+exit 0