From 9c77b06bbcd073f1ba00933565f9b815ff24cc18 Mon Sep 17 00:00:00 2001
From: Beniamino Galvani <bgalvani@redhat.com>
Date: Wed, 13 Dec 2017 22:06:18 +0100
Subject: [PATCH] dhcp: systemd: support the hostname property

Send the FQDN option when a hostname is set.
---
 src/dhcp/nm-dhcp-systemd.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/dhcp/nm-dhcp-systemd.c b/src/dhcp/nm-dhcp-systemd.c
index 9b1a44332c..2e552cd4ff 100644
--- a/src/dhcp/nm-dhcp-systemd.c
+++ b/src/dhcp/nm-dhcp-systemd.c
@@ -915,6 +915,7 @@ ip6_start (NMDhcpClient *client,
 	NMDhcpSystemdPrivate *priv = NM_DHCP_SYSTEMD_GET_PRIVATE (self);
 	const char *iface = nm_dhcp_client_get_iface (client);
 	const GByteArray *hwaddr;
+	const char *hostname;
 	int r, i;
 
 	g_assert (priv->client4 == NULL);
@@ -995,6 +996,13 @@ ip6_start (NMDhcpClient *client,
 		goto error;
 	}
 
+	hostname = nm_dhcp_client_get_hostname (client);
+	r = sd_dhcp6_client_set_fqdn (priv->client6, hostname);
+	if (r < 0) {
+		_LOGW ("failed to set DHCP hostname to '%s' (%d)", hostname, r);
+		goto error;
+	}
+
 	r = sd_dhcp6_client_start (priv->client6);
 	if (r < 0) {
 		_LOGW ("failed to start client (%d)", r);