dhcp4: introduce new option 'duid-only' for ClientIdentifier= (#8350)

[thirdparty/systemd.git] / src / network / networkd-dhcp4.c

diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index ecb96cdb57afb348402ac6600137e410b0d37ce6..91762362f1892f9f5ca82da282197d05f94aea3e 100644 (file)
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -776,6 +776,18 @@ int dhcp4_configure(Link *link) {
                         return r;
                 break;
         }
+        case DHCP_CLIENT_ID_DUID_ONLY: {
+                /* If configured, apply user specified DUID */
+                const DUID *duid = link_duid(link);
+
+                r = sd_dhcp_client_set_duid(link->dhcp_client,
+                                            duid->type,
+                                            duid->raw_data_len > 0 ? duid->raw_data : NULL,
+                                            duid->raw_data_len);
+                if (r < 0)
+                        return r;
+                break;
+        }
         case DHCP_CLIENT_ID_MAC:
                 r = sd_dhcp_client_set_client_id(link->dhcp_client,
                                                  ARPHRD_ETHER,