static void update_ipconfig(struct connman_service *service,
struct connman_ipconfig *ipconfig)
{
if (service == NULL || service != __connman_service_get_default())
return;
if (ipconfig != __connman_service_get_ip6config(service))
return;
if (__connman_ipconfig_ipv6_is_enabled(ipconfig) == FALSE) {
if (default_interface != NULL) {
int ifindex;
ifindex = connman_inet_ifindex(default_interface);
__connman_dhcpv6_stop_pd(ifindex);
g_free(default_interface);
default_interface = NULL;
}
DBG("No IPv6 support for interface %s",
__connman_ipconfig_get_ifname(ipconfig));
return;
}
/*
* Did we had PD activated already? If not, then start it.
*/
if (default_interface == NULL) {
DBG("IPv6 ipconfig %p changed for interface %s", ipconfig,
__connman_ipconfig_get_ifname(ipconfig));
setup_prefix_delegation(service);
}
}
static int setup_prefix_delegation(struct connman_service *service)
{
struct connman_ipconfig *ipconfig;
char *interface;
int err = 0, ifindex;
if (service == NULL) {
/*
* We do not have uplink connection. We just wait until
* default interface is updated.
*/
return -EINPROGRESS;
}
interface = connman_service_get_interface(service);
DBG("interface %s bridge_index %d", interface, bridge_index);
if (default_interface != NULL) {
stop_ra(bridge_index);
ifindex = connman_inet_ifindex(default_interface);
__connman_dhcpv6_stop_pd(ifindex);
}
g_free(default_interface);
ipconfig = __connman_service_get_ip6config(service);
if (__connman_ipconfig_ipv6_is_enabled(ipconfig) == FALSE) {
g_free(interface);
default_interface = NULL;
return -EPFNOSUPPORT;
}
default_interface = interface;
if (default_interface != NULL) {
ifindex = connman_inet_ifindex(default_interface);
/*
* Try to get a IPv6 prefix so we can start to advertise it.
*/
err = __connman_dhcpv6_start_pd(ifindex, prefixes,
dhcpv6_callback);
if (err < 0)
DBG("prefix delegation %d/%s", err, strerror(-err));
}
return err;
}
void connman_network_set_ipv6_method(struct connman_network *network,
enum connman_ipconfig_method method)
{
struct connman_service *service;
struct connman_ipconfig *ipconfig;
service = __connman_service_lookup_from_network(network);
if (service == NULL)
return;
ipconfig = __connman_service_get_ip6config(service);
if (ipconfig == NULL)
return;
connman_ipconfig_set_method(ipconfig, method);
}
static void append_ipconfig_ipv6(DBusMessageIter *iter, void *user_data)
{
struct connman_service *service = user_data;
struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
if (!service)
return;
if (!__connman_service_is_connected_state(service,
CONNMAN_IPCONFIG_TYPE_IPV6))
return;
ipconfig_ipv4 = __connman_service_get_ip4config(service);
ipconfig_ipv6 = __connman_service_get_ip6config(service);
if (!ipconfig_ipv6)
return;
__connman_ipconfig_append_ipv6(ipconfig_ipv6, iter, ipconfig_ipv4);
}
static int set_addresses(GDHCPClient *dhcp_client,
struct connman_dhcpv6 *dhcp)
{
struct connman_service *service;
struct connman_ipconfig *ipconfig;
int entries, i;
GList *option, *list;
char **nameservers, **timeservers;
const char *c_address;
char *address = NULL;
service = connman_service_lookup_from_network(dhcp->network);
if (service == NULL) {
connman_error("Can not lookup service");
return -EINVAL;
}
ipconfig = __connman_service_get_ip6config(service);
if (ipconfig == NULL) {
connman_error("Could not lookup ip6config");
return -EINVAL;
}
option = g_dhcp_client_get_option(dhcp_client, G_DHCPV6_DNS_SERVERS);
entries = g_list_length(option);
nameservers = g_try_new0(char *, entries + 1);
if (nameservers != NULL) {
for (i = 0, list = option; list; list = list->next, i++)
nameservers[i] = g_strdup(list->data);
}
if (compare_string_arrays(nameservers, dhcp->nameservers) == FALSE) {
if (dhcp->nameservers != NULL) {
for (i = 0; dhcp->nameservers[i] != NULL; i++)
__connman_service_nameserver_remove(service,
dhcp->nameservers[i],
FALSE);
g_strfreev(dhcp->nameservers);
}
dhcp->nameservers = nameservers;
for (i = 0; dhcp->nameservers != NULL &&
dhcp->nameservers[i] != NULL; i++)
__connman_service_nameserver_append(service,
dhcp->nameservers[i],
FALSE);
} else
g_strfreev(nameservers);
option = g_dhcp_client_get_option(dhcp_client, G_DHCPV6_SNTP_SERVERS);
entries = g_list_length(option);
timeservers = g_try_new0(char *, entries + 1);
if (timeservers != NULL) {
for (i = 0, list = option; list; list = list->next, i++)
timeservers[i] = g_strdup(list->data);
}
if (compare_string_arrays(timeservers, dhcp->timeservers) == FALSE) {
if (dhcp->timeservers != NULL) {
for (i = 0; dhcp->timeservers[i] != NULL; i++)
__connman_service_timeserver_remove(service,
dhcp->timeservers[i]);
g_strfreev(dhcp->timeservers);
}
dhcp->timeservers = timeservers;
for (i = 0; dhcp->timeservers != NULL &&
dhcp->timeservers[i] != NULL; i++)
__connman_service_timeserver_append(service,
dhcp->timeservers[i]);
} else
g_strfreev(timeservers);
option = g_dhcp_client_get_option(dhcp_client, G_DHCPV6_IA_NA);
if (option != NULL)
address = g_strdup(option->data);
else {
option = g_dhcp_client_get_option(dhcp_client, G_DHCPV6_IA_TA);
if (option != NULL)
address = g_strdup(option->data);
}
c_address = __connman_ipconfig_get_local(ipconfig);
if (address != NULL &&
((c_address != NULL &&
g_strcmp0(address, c_address) != 0) ||
(c_address == NULL))) {
int prefix_len;
/* Is this prefix part of the subnet we are suppose to use? */
prefix_len = check_ipv6_addr_prefix(dhcp->prefixes, address);
__connman_ipconfig_set_local(ipconfig, address);
__connman_ipconfig_set_prefixlen(ipconfig, prefix_len);
DBG("new address %s/%d", address, prefix_len);
}
return 0;
}
static int dhcpv6_solicitation(struct connman_dhcpv6 *dhcp)
{
struct connman_service *service;
struct connman_ipconfig *ipconfig_ipv6;
GDHCPClient *dhcp_client;
GDHCPClientError error;
int index, ret;
DBG("dhcp %p", dhcp);
index = connman_network_get_index(dhcp->network);
dhcp_client = g_dhcp_client_new(G_DHCP_IPV6, index, &error);
if (error != G_DHCP_CLIENT_ERROR_NONE) {
clear_timer(dhcp);
return -EINVAL;
}
if (getenv("CONNMAN_DHCPV6_DEBUG"))
g_dhcp_client_set_debug(dhcp_client, dhcpv6_debug, "DHCPv6");
service = connman_service_lookup_from_network(dhcp->network);
if (service == NULL) {
clear_timer(dhcp);
g_dhcp_client_unref(dhcp_client);
return -EINVAL;
}
ret = set_duid(service, dhcp->network, dhcp_client, index);
if (ret < 0) {
clear_timer(dhcp);
g_dhcp_client_unref(dhcp_client);
return ret;
}
g_dhcp_client_set_request(dhcp_client, G_DHCPV6_CLIENTID);
g_dhcp_client_set_request(dhcp_client, G_DHCPV6_RAPID_COMMIT);
g_dhcp_client_set_request(dhcp_client, G_DHCPV6_DNS_SERVERS);
g_dhcp_client_set_request(dhcp_client, G_DHCPV6_SNTP_SERVERS);
g_dhcpv6_client_set_oro(dhcp_client, 2, G_DHCPV6_DNS_SERVERS,
G_DHCPV6_SNTP_SERVERS);
ipconfig_ipv6 = __connman_service_get_ip6config(service);
dhcp->use_ta = __connman_ipconfig_ipv6_privacy_enabled(ipconfig_ipv6);
g_dhcpv6_client_set_ia(dhcp_client, index,
dhcp->use_ta == TRUE ? G_DHCPV6_IA_TA : G_DHCPV6_IA_NA,
NULL, NULL, FALSE);
clear_callbacks(dhcp_client);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_SOLICITATION,
solicitation_cb, dhcp);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_ADVERTISE,
advertise_cb, dhcp);
dhcp->dhcp_client = dhcp_client;
return g_dhcp_client_start(dhcp_client, NULL);
}
static void set_vpn_routes(struct gateway_data *new_gateway,
struct connman_service *service,
const char *gateway,
enum connman_ipconfig_type type,
const char *peer,
struct gateway_data *active_gateway)
{
struct gateway_config *config;
struct connman_ipconfig *ipconfig;
char *dest;
DBG("new %p service %p gw %s type %d peer %s active %p",
new_gateway, service, gateway, type, peer, active_gateway);
if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
ipconfig = __connman_service_get_ip4config(service);
config = new_gateway->ipv4_gateway;
} else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
ipconfig = __connman_service_get_ip6config(service);
config = new_gateway->ipv6_gateway;
} else
return;
if (config) {
int index = __connman_ipconfig_get_index(ipconfig);
struct get_gateway_params *params;
config->vpn = true;
if (peer)
config->vpn_ip = g_strdup(peer);
else if (gateway)
config->vpn_ip = g_strdup(gateway);
params = g_try_malloc(sizeof(struct get_gateway_params));
if (!params)
return;
params->vpn_index = index;
params->vpn_gateway = g_strdup(gateway);
/*
* Find the gateway that is serving the VPN link
*/
__connman_inet_get_route(gateway, get_gateway_cb, params);
}
if (!active_gateway)
return;
if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
/*
* Special route to VPN server via gateway. This
* is needed so that we can access hosts behind
* the VPN. The route might already exist depending
* on network topology.
*/
if (!active_gateway->ipv4_gateway)
return;
DBG("active gw %s", active_gateway->ipv4_gateway->gateway);
if (g_strcmp0(active_gateway->ipv4_gateway->gateway,
"0.0.0.0") != 0)
dest = active_gateway->ipv4_gateway->gateway;
else
dest = NULL;
connman_inet_add_host_route(active_gateway->index, gateway,
dest);
} else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
if (!active_gateway->ipv6_gateway)
return;
DBG("active gw %s", active_gateway->ipv6_gateway->gateway);
if (g_strcmp0(active_gateway->ipv6_gateway->gateway,
"::") != 0)
dest = active_gateway->ipv6_gateway->gateway;
else
dest = NULL;
connman_inet_add_ipv6_host_route(active_gateway->index,
gateway, dest);
}
}
static gboolean set_connected(gpointer user_data)
{
struct connman_network *network = user_data;
struct connman_service *service;
struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
enum connman_ipconfig_method ipv4_method, ipv6_method;
service = __connman_service_lookup_from_network(network);
ipconfig_ipv4 = __connman_service_get_ip4config(service);
ipconfig_ipv6 = __connman_service_get_ip6config(service);
DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
ipconfig_ipv6);
ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
ipv6_method = __connman_ipconfig_get_method(ipconfig_ipv6);
DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
DBG("network connected %d", network->connected);
if (network->connected == TRUE) {
int ret;
switch (ipv6_method) {
case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
case CONNMAN_IPCONFIG_METHOD_OFF:
break;
case CONNMAN_IPCONFIG_METHOD_AUTO:
autoconf_ipv6_set(network);
break;
case CONNMAN_IPCONFIG_METHOD_FIXED:
case CONNMAN_IPCONFIG_METHOD_MANUAL:
ret = manual_ipv6_set(network, ipconfig_ipv6);
if (ret != 0) {
connman_network_set_error(network,
CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
return FALSE;
}
break;
case CONNMAN_IPCONFIG_METHOD_DHCP:
break;
}
switch (ipv4_method) {
case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
case CONNMAN_IPCONFIG_METHOD_OFF:
case CONNMAN_IPCONFIG_METHOD_AUTO:
return FALSE;
case CONNMAN_IPCONFIG_METHOD_FIXED:
if (set_connected_fixed(network) < 0) {
connman_network_set_error(network,
CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
return FALSE;
}
return TRUE;
case CONNMAN_IPCONFIG_METHOD_MANUAL:
set_connected_manual(network);
return TRUE;
case CONNMAN_IPCONFIG_METHOD_DHCP:
if (set_connected_dhcp(network) < 0) {
connman_network_set_error(network,
CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
return FALSE;
}
}
} else {
enum connman_service_state state;
__connman_device_set_network(network->device, NULL);
switch (ipv4_method) {
case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
case CONNMAN_IPCONFIG_METHOD_OFF:
case CONNMAN_IPCONFIG_METHOD_AUTO:
case CONNMAN_IPCONFIG_METHOD_FIXED:
case CONNMAN_IPCONFIG_METHOD_MANUAL:
break;
case CONNMAN_IPCONFIG_METHOD_DHCP:
__connman_dhcp_stop(network);
break;
}
/*
* We only set the disconnect state if we were not in idle
* or in failure. It does not make sense to go to disconnect
* state if we were not connected.
*/
state = __connman_service_ipconfig_get_state(service,
CONNMAN_IPCONFIG_TYPE_IPV4);
if (state != CONNMAN_SERVICE_STATE_IDLE &&
state != CONNMAN_SERVICE_STATE_FAILURE)
__connman_service_ipconfig_indicate_state(service,
CONNMAN_SERVICE_STATE_DISCONNECT,
CONNMAN_IPCONFIG_TYPE_IPV4);
state = __connman_service_ipconfig_get_state(service,
CONNMAN_IPCONFIG_TYPE_IPV6);
if (state != CONNMAN_SERVICE_STATE_IDLE &&
state != CONNMAN_SERVICE_STATE_FAILURE)
__connman_service_ipconfig_indicate_state(service,
CONNMAN_SERVICE_STATE_DISCONNECT,
CONNMAN_IPCONFIG_TYPE_IPV6);
__connman_connection_gateway_remove(service,
CONNMAN_IPCONFIG_TYPE_ALL);
__connman_ipconfig_address_unset(ipconfig_ipv4);
__connman_ipconfig_address_unset(ipconfig_ipv6);
/*
* Special handling for IPv6 autoconfigured address.
* The simplest way to remove autoconfigured routes is to
* disable IPv6 temporarily so that kernel will do the cleanup
* automagically.
*/
if (ipv6_method == CONNMAN_IPCONFIG_METHOD_AUTO) {
__connman_ipconfig_disable_ipv6(ipconfig_ipv6);
__connman_ipconfig_enable_ipv6(ipconfig_ipv6);
}
#if defined TIZEN_EXT
if (connman_service_get_type(service) ==
CONNMAN_SERVICE_TYPE_CELLULAR) {
network->connecting = FALSE;
connman_network_set_associating(network, FALSE);
}
#endif
__connman_service_ipconfig_indicate_state(service,
CONNMAN_SERVICE_STATE_IDLE,
CONNMAN_IPCONFIG_TYPE_IPV4);
__connman_service_ipconfig_indicate_state(service,
CONNMAN_SERVICE_STATE_IDLE,
CONNMAN_IPCONFIG_TYPE_IPV6);
#if defined TIZEN_EXT
if (connman_service_get_type(service) ==
CONNMAN_SERVICE_TYPE_CELLULAR)
return FALSE;
#endif
}
network->connecting = FALSE;
connman_network_set_associating(network, FALSE);
return FALSE;
}
