return 0;
}
+/**
+ * Sets IAID and DUID. If duid is non-null, the DUID is set to duid_type + duid
+ * without further modification. Otherwise, if duid_type is supported, DUID
+ * is set based on that type. Otherwise, an error is returned.
+ */
int sd_dhcp_client_set_iaid_duid(
sd_dhcp_client *client,
uint32_t iaid,
DHCP_CLIENT_DONT_DESTROY(client);
int r;
+ size_t len;
+
assert_return(client, -EINVAL);
- zero(client->client_id);
+ assert_return(duid_len == 0 || duid != NULL, -EINVAL);
+
+ if (duid != NULL) {
+ r = dhcp_validate_duid_len(duid_type, duid_len);
+ if (r < 0)
+ return r;
+ }
+ zero(client->client_id);
client->client_id.type = 255;
/* If IAID is not configured, generate it. */
} else
client->client_id.ns.iaid = htobe32(iaid);
- /* If DUID is not configured, generate DUID-EN. */
- if (duid_len == 0) {
- r = dhcp_identifier_set_duid_en(&client->client_id.ns.duid,
- &duid_len);
- if (r < 0)
- return r;
- } else {
- r = dhcp_validate_duid_len(client->client_id.type, duid_len);
- if (r < 0)
- return r;
+ if (duid != NULL) {
client->client_id.ns.duid.type = htobe16(duid_type);
memcpy(&client->client_id.ns.duid.raw.data, duid, duid_len);
- duid_len += sizeof(client->client_id.ns.duid.type);
- }
+ 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;
- client->client_id_len = sizeof(client->client_id.type) + duid_len +
+ client->client_id_len = sizeof(client->client_id.type) + len +
sizeof(client->client_id.ns.iaid);
if (!IN_SET(client->state, DHCP_STATE_INIT, DHCP_STATE_STOPPED)) {