int dhcp6_configure(Link *link) {
sd_dhcp6_client *client = NULL;
int r;
assert(link);
if (link->dhcp6_client)
return 0;
r = sd_dhcp6_client_new(&client);
if (r < 0)
return r;
r = sd_dhcp6_client_attach_event(client, NULL, 0);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_information_request(client, true);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_mac(client,
(const uint8_t *) &link->mac,
sizeof (link->mac), ARPHRD_ETHER);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_iaid(client, link->network->iaid);
if (r < 0)
goto error;
if (link->network->duid_type != _DUID_TYPE_INVALID)
r = sd_dhcp6_client_set_duid(client,
link->network->dhcp_duid_type,
link->network->dhcp_duid,
link->network->dhcp_duid_len);
else
r = sd_dhcp6_client_set_duid(client,
link->manager->dhcp_duid_type,
link->manager->dhcp_duid,
link->manager->dhcp_duid_len);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_index(client, link->ifindex);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_callback(client, dhcp6_handler, link);
if (r < 0)
goto error;
link->dhcp6_client = client;
return 0;
error:
sd_dhcp6_client_unref(client);
return r;
}
int dhcp6_configure(Link *link) {
sd_dhcp6_client *client = NULL;
int r;
const DUID *duid;
assert(link);
if (link->dhcp6_client)
return 0;
r = sd_dhcp6_client_new(&client);
if (r < 0)
return r;
r = sd_dhcp6_client_attach_event(client, NULL, 0);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_mac(client,
(const uint8_t *) &link->mac,
sizeof (link->mac), ARPHRD_ETHER);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_iaid(client, link->network->iaid);
if (r < 0)
goto error;
duid = link_duid(link);
r = sd_dhcp6_client_set_duid(client,
duid->type,
duid->raw_data_len > 0 ? duid->raw_data : NULL,
duid->raw_data_len);
if (r < 0)
goto error;
r = dhcp6_set_hostname(client, link);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_ifindex(client, link->ifindex);
if (r < 0)
goto error;
r = sd_dhcp6_client_set_callback(client, dhcp6_handler, link);
if (r < 0)
goto error;
link->dhcp6_client = client;
return 0;
error:
sd_dhcp6_client_unref(client);
return r;
}
static gboolean
ip6_start (NMDhcpClient *client,
const char *dhcp_anycast_addr,
const struct in6_addr *ll_addr,
gboolean info_only,
NMSettingIP6ConfigPrivacy privacy,
const GByteArray *duid)
{
NMDhcpSystemd *self = NM_DHCP_SYSTEMD (client);
NMDhcpSystemdPrivate *priv = NM_DHCP_SYSTEMD_GET_PRIVATE (self);
const char *iface = nm_dhcp_client_get_iface (client);
const GByteArray *hwaddr;
int r, i;
g_assert (priv->client4 == NULL);
g_assert (priv->client6 == NULL);
g_return_val_if_fail (duid != NULL, FALSE);
g_free (priv->lease_file);
priv->lease_file = get_leasefile_path (iface, nm_dhcp_client_get_uuid (client), TRUE);
priv->info_only = info_only;
r = sd_dhcp6_client_new (&priv->client6);
if (r < 0) {
_LOGW ("failed to create client (%d)", r);
return FALSE;
}
_LOGT ("dhcp-client6: set %p", priv->client4);
if (info_only)
sd_dhcp6_client_set_information_request (priv->client6, 1);
/* NM stores the entire DUID which includes the uint16 "type", while systemd
* wants the type passed separately from the following data.
*/
r = sd_dhcp6_client_set_duid (priv->client6,
ntohs (((const guint16 *) duid->data)[0]),
duid->data + 2,
duid->len - 2);
if (r < 0) {
_LOGW ("failed to set DUID (%d)", r);
return FALSE;
}
r = sd_dhcp6_client_attach_event (priv->client6, NULL, 0);
if (r < 0) {
_LOGW ("failed to attach event (%d)", r);
goto error;
}
hwaddr = nm_dhcp_client_get_hw_addr (client);
if (hwaddr) {
r = sd_dhcp6_client_set_mac (priv->client6,
hwaddr->data,
hwaddr->len,
get_arp_type (hwaddr));
if (r < 0) {
_LOGW ("failed to set MAC address (%d)", r);
goto error;
}
}
r = sd_dhcp6_client_set_index (priv->client6, nm_dhcp_client_get_ifindex (client));
if (r < 0) {
_LOGW ("failed to set ifindex (%d)", r);
goto error;
}
r = sd_dhcp6_client_set_callback (priv->client6, dhcp6_event_cb, client);
if (r < 0) {
_LOGW ("failed to set callback (%d)", r);
goto error;
}
/* Add requested options */
for (i = 0; dhcp6_requests[i].name; i++) {
if (dhcp6_requests[i].include)
sd_dhcp6_client_set_request_option (priv->client6, dhcp6_requests[i].num);
}
r = sd_dhcp6_client_set_local_address (priv->client6, ll_addr);
if (r < 0) {
_LOGW ("failed to set local address (%d)", r);
goto error;
}
r = sd_dhcp6_client_start (priv->client6);
if (r < 0) {
_LOGW ("failed to start client (%d)", r);
goto error;
}
return TRUE;
error:
sd_dhcp6_client_unref (priv->client6);
priv->client6 = NULL;
return FALSE;
}
