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Diffstat (limited to 'src/network/networkd-dhcp4.c')
-rw-r--r--src/network/networkd-dhcp4.c41
1 files changed, 28 insertions, 13 deletions
diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index d446bfa8b3..4aa301b112 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -270,12 +270,18 @@ static int dhcp_lease_lost(Link *link) {
if (link->network->dhcp_hostname) {
const char *hostname = NULL;
- r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);
- if (r >= 0 && hostname) {
- r = link_set_hostname(link, "");
+ if (!link->network->hostname)
+ r = sd_dhcp_lease_get_hostname(link->dhcp_lease, &hostname);
+ else
+ hostname = link->network->hostname;
+
+ if (r >= 0 || hostname) {
+ r = link_set_hostname(link, hostname);
if (r < 0)
- log_link_error(link,
- "Failed to reset transient hostname");
+ log_link_error_errno(link, r,
+ "Failed to set transient hostname to '%s': %m",
+ hostname);
+
}
}
@@ -464,8 +470,12 @@ static int dhcp_lease_acquired(sd_dhcp_client *client, Link *link) {
if (link->network->dhcp_hostname) {
const char *hostname;
- r = sd_dhcp_lease_get_hostname(lease, &hostname);
- if (r >= 0) {
+ if (!link->network->hostname)
+ r = sd_dhcp_lease_get_hostname(lease, &hostname);
+ else
+ hostname = link->network->hostname;
+
+ if (r >= 0 || hostname) {
r = link_set_hostname(link, hostname);
if (r < 0)
log_link_error_errno(link, r, "Failed to set transient hostname to '%s': %m", hostname);
@@ -616,14 +626,19 @@ int dhcp4_configure(Link *link) {
if (link->network->dhcp_sendhost) {
_cleanup_free_ char *hostname = NULL;
+ const char *hn = NULL;
+
+ if (!link->network->hostname) {
+ hostname = gethostname_malloc();
+ if (!hostname)
+ return -ENOMEM;
- hostname = gethostname_malloc();
- if (!hostname)
- return -ENOMEM;
+ hn = hostname;
+ } else
+ hn = link->network->hostname;
- if (!is_localhost(hostname)) {
- r = sd_dhcp_client_set_hostname(link->dhcp_client,
- hostname);
+ if (!is_localhost(hn)) {
+ r = sd_dhcp_client_set_hostname(link->dhcp_client, hn);
if (r < 0)
return r;
}