1 files changed, 51 insertions, 0 deletions

diff --git a/debian/openssh-server.if-up.in b/debian/openssh-server.if-up.in
new file mode 100644
index 000000000..871493068
--- /dev/null
+++ b/debian/openssh-server.if-up.in
@@ -0,0 +1,51 @@
+#! /bin/sh
+# Reload the OpenSSH server when an interface comes up, to allow it to start
+# listening on new addresses.
+
+set -e
+
+# Don't bother to restart sshd when lo is configured.
+if [ "$IFACE" = lo ]; then
+        exit 0
+fi
+
+# Only run from ifup.
+if [ "$MODE" != start ]; then
+        exit 0
+fi
+
+# OpenSSH only cares about inet and inet6. Get ye gone, strange people
+# still using ipx.
+if [ "$ADDRFAM" != inet ] && [ "$ADDRFAM" != inet6 ]; then
+        exit 0
+fi
+
+# Is /usr mounted?
+if [ ! -e /usr/sbin/sshd ]; then
+        exit 0
+fi
+
+if [ ! -f /var/run/sshd.pid ] || \
+   [ "$(ps -p "$(cat /var/run/sshd.pid)" -o comm=)" != sshd ]; then
+        exit 0
+fi
+
+case '@DISTRIBUTOR@' in
+    Ubuntu)
+        # Both init script and Upstart job are present; we want to operate
+        # on the Upstart job.
+        stop ssh || true
+        start ssh || true
+        ;;
+    *)
+        # We'd like to use 'reload' here, but it has some problems; see
+        # #502444.
+        if [ -x /usr/sbin/invoke-rc.d ]; then
+                invoke-rc.d ssh restart >/dev/null 2>&1 || true
+        else
+                /etc/init.d/ssh restart >/dev/null 2>&1 || true
+        fi
+        ;;
+esac
+
+exit 0