/* SPDX-License-Identifier: LGPL-2.1+ */
/***
- This file is part of systemd.
-
- Copyright (C) 2013 Intel Corporation. All rights reserved.
+ Copyright © 2013 Intel Corporation. All rights reserved.
***/
#include <errno.h>
* without further modification. Otherwise, if duid_type is supported, DUID
* is set based on that type. Otherwise, an error is returned.
*/
-static int dhcp_client_set_iaid_duid(
+static int dhcp_client_set_iaid_duid_internal(
sd_dhcp_client *client,
uint32_t iaid,
bool append_iaid,
uint16_t duid_type,
const void *duid,
- size_t duid_len) {
+ size_t duid_len,
+ usec_t llt_time) {
DHCP_CLIENT_DONT_DESTROY(client);
int r;
client->client_id.ns.duid.type = htobe16(duid_type);
memcpy(&client->client_id.ns.duid.raw.data, duid, duid_len);
len = sizeof(client->client_id.ns.duid.type) + duid_len;
- } else if (duid_type == DUID_TYPE_EN) {
- r = dhcp_identifier_set_duid_en(&client->client_id.ns.duid, &len);
- if (r < 0)
- return r;
} else
- return -EOPNOTSUPP;
+ switch (duid_type) {
+ case DUID_TYPE_LLT:
+ if (!client->mac_addr || client->mac_addr_len == 0)
+ return -EOPNOTSUPP;
+
+ r = dhcp_identifier_set_duid_llt(&client->client_id.ns.duid, llt_time, client->mac_addr, client->mac_addr_len, client->arp_type, &len);
+ if (r < 0)
+ return r;
+ break;
+ case DUID_TYPE_EN:
+ r = dhcp_identifier_set_duid_en(&client->client_id.ns.duid, &len);
+ if (r < 0)
+ return r;
+ break;
+ case DUID_TYPE_LL:
+ if (!client->mac_addr || client->mac_addr_len == 0)
+ return -EOPNOTSUPP;
+
+ r = dhcp_identifier_set_duid_ll(&client->client_id.ns.duid, client->mac_addr, client->mac_addr_len, client->arp_type, &len);
+ if (r < 0)
+ return r;
+ break;
+ case DUID_TYPE_UUID:
+ r = dhcp_identifier_set_duid_uuid(&client->client_id.ns.duid, &len);
+ if (r < 0)
+ return r;
+ break;
+ default:
+ return -EINVAL;
+ }
client->client_id_len = sizeof(client->client_id.type) + len +
(append_iaid ? sizeof(client->client_id.ns.iaid) : 0);
if (!IN_SET(client->state, DHCP_STATE_INIT, DHCP_STATE_STOPPED)) {
- log_dhcp_client(client, "Configured IAID+DUID, restarting.");
+ log_dhcp_client(client, "Configured %sDUID, restarting.", append_iaid ? "IAID+" : "");
client_stop(client, SD_DHCP_CLIENT_EVENT_STOP);
sd_dhcp_client_start(client);
}
uint16_t duid_type,
const void *duid,
size_t duid_len) {
- return dhcp_client_set_iaid_duid(client, iaid, true, duid_type, duid, duid_len);
+ return dhcp_client_set_iaid_duid_internal(client, iaid, true, duid_type, duid, duid_len, 0);
+}
+
+int sd_dhcp_client_set_iaid_duid_llt(
+ sd_dhcp_client *client,
+ uint32_t iaid,
+ usec_t llt_time) {
+ return dhcp_client_set_iaid_duid_internal(client, iaid, true, DUID_TYPE_LLT, NULL, 0, llt_time);
}
int sd_dhcp_client_set_duid(
uint16_t duid_type,
const void *duid,
size_t duid_len) {
- return dhcp_client_set_iaid_duid(client, 0, false, duid_type, duid, duid_len);
+ return dhcp_client_set_iaid_duid_internal(client, 0, false, duid_type, duid, duid_len, 0);
+}
+
+int sd_dhcp_client_set_duid_llt(
+ sd_dhcp_client *client,
+ usec_t llt_time) {
+ return dhcp_client_set_iaid_duid_internal(client, 0, false, DUID_TYPE_LLT, NULL, 0, llt_time);
}
int sd_dhcp_client_set_hostname(
return client->event;
}
-sd_dhcp_client *sd_dhcp_client_ref(sd_dhcp_client *client) {
-
- if (!client)
- return NULL;
-
- assert(client->n_ref >= 1);
- client->n_ref++;
-
- return client;
-}
-
-sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client) {
-
- if (!client)
- return NULL;
-
- assert(client->n_ref >= 1);
- client->n_ref--;
-
- if (client->n_ref > 0)
- return NULL;
+static sd_dhcp_client *dhcp_client_free(sd_dhcp_client *client) {
+ assert(client);
log_dhcp_client(client, "FREE");
return mfree(client);
}
+DEFINE_TRIVIAL_REF_UNREF_FUNC(sd_dhcp_client, sd_dhcp_client, dhcp_client_free);
+
int sd_dhcp_client_new(sd_dhcp_client **ret, int anonymize) {
_cleanup_(sd_dhcp_client_unrefp) sd_dhcp_client *client = NULL;