#include <string.h>
#include "connman.h"
+#include <connman/acd.h>
+#include "src/shared/arp.h"
/*
* How many times to send RS with the purpose of
*/
#define RS_REFRESH_TIMEOUT 3
+/*
+ * As per RFC 4861, a host should transmit up to MAX_RTR_SOLICITATIONS(3)
+ * Router Solicitation messages, each separated by at least
+ * RTR_SOLICITATION_INTERVAL(4) seconds to obtain RA for IPv6 auto-configuration.
+ */
+#define RTR_SOLICITATION_INTERVAL 4
+
+#define DHCP_RETRY_TIMEOUT 10
+
static GSList *network_list = NULL;
static GSList *driver_list = NULL;
int index;
int router_solicit_count;
int router_solicit_refresh_count;
+ struct acd_host *acd_host;
+ guint ipv4ll_timeout;
+ guint dhcp_timeout;
struct connman_network_driver *driver;
void *driver_data;
char *private_key_passphrase;
char *phase2_auth;
bool wps;
+ bool wps_advertizing;
bool use_wps;
char *pin_wps;
} wifi;
type);
}
+void connman_network_append_acddbus(DBusMessageIter *dict,
+ struct connman_network *network)
+{
+ if (!network->acd_host)
+ return;
+
+ acd_host_append_dbus_property(network->acd_host, dict);
+}
+
+static int start_acd(struct connman_network *network);
+
+static void remove_ipv4ll_timeout(struct connman_network *network)
+{
+ if (network->ipv4ll_timeout > 0) {
+ g_source_remove(network->ipv4ll_timeout);
+ network->ipv4ll_timeout = 0;
+ }
+}
+
+static void acd_host_ipv4_available(struct acd_host *acd, gpointer user_data)
+{
+ struct connman_network *network = user_data;
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv4;
+ int err;
+
+ if (!network)
+ return;
+
+ service = connman_service_lookup_from_network(network);
+ if (!service)
+ return;
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ if (!ipconfig_ipv4) {
+ connman_error("Service has no IPv4 configuration");
+ return;
+ }
+
+ err = __connman_ipconfig_address_add(ipconfig_ipv4);
+ if (err < 0)
+ goto err;
+
+ err = __connman_ipconfig_gateway_add(ipconfig_ipv4);
+ if (err < 0)
+ goto err;
+
+ __connman_service_save(service);
+
+ return;
+
+err:
+ connman_network_set_error(__connman_service_get_network(service),
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+}
+
+static int start_ipv4ll(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv4;
+ struct in_addr addr;
+ char *address;
+
+ service = connman_service_lookup_from_network(network);
+ if (!service)
+ return -EINVAL;
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ if (!ipconfig_ipv4) {
+ connman_error("Service has no IPv4 configuration");
+ return -EINVAL;
+ }
+
+ /* Apply random IPv4 address. */
+ addr.s_addr = htonl(arp_random_ip());
+ address = inet_ntoa(addr);
+ if (!address) {
+ connman_error("Could not convert IPv4LL random address %u",
+ addr.s_addr);
+ return -EINVAL;
+ }
+ __connman_ipconfig_set_local(ipconfig_ipv4, address);
+
+ connman_info("Probing IPv4LL address %s", address);
+ return start_acd(network);
+}
+
+static gboolean start_ipv4ll_ontimeout(gpointer data)
+{
+ struct connman_network *network = data;
+
+ if (!network)
+ return FALSE;
+
+ /* Start IPv4LL ACD. */
+ start_ipv4ll(network);
+
+ return FALSE;
+}
+
+static void acd_host_ipv4_lost(struct acd_host *acd, gpointer user_data)
+{
+ struct connman_network *network = user_data;
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv4;
+ enum connman_ipconfig_type type;
+ enum connman_ipconfig_method method;
+
+ if (!network)
+ return;
+
+ service = connman_service_lookup_from_network(network);
+ if (!service)
+ return;
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ if (!ipconfig_ipv4) {
+ connman_error("Service has no IPv4 configuration");
+ return;
+ }
+
+ type = __connman_ipconfig_get_config_type(ipconfig_ipv4);
+ if (type != CONNMAN_IPCONFIG_TYPE_IPV4)
+ return;
+
+ __connman_ipconfig_address_remove(ipconfig_ipv4);
+
+ method = __connman_ipconfig_get_method(ipconfig_ipv4);
+ if (method == CONNMAN_IPCONFIG_METHOD_DHCP) {
+ /*
+ * We have one more chance for DHCP. If this fails
+ * acd_host_ipv4_conflict will be called.
+ */
+ network = __connman_service_get_network(service);
+ if (network)
+ __connman_network_enable_ipconfig(network, ipconfig_ipv4);
+ } else {
+ /* Start IPv4LL ACD. */
+ start_ipv4ll(network);
+ }
+}
+
+static void acd_host_ipv4_conflict(struct acd_host *acd, gpointer user_data)
+{
+ struct connman_network *network = user_data;
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv4;
+ enum connman_ipconfig_method method;
+
+ service = connman_service_lookup_from_network(network);
+ if (!service)
+ return;
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ if (!ipconfig_ipv4) {
+ connman_error("Service has no IPv4 configuration");
+ return;
+ }
+
+ method = __connman_ipconfig_get_method(ipconfig_ipv4);
+ connman_info("%s conflict counts=%u", __FUNCTION__,
+ acd_host_get_conflicts_count(acd));
+
+ if (method == CONNMAN_IPCONFIG_METHOD_DHCP &&
+ acd_host_get_conflicts_count(acd) < 2) {
+ connman_info("%s Sending DHCP decline", __FUNCTION__);
+ __connman_dhcp_decline(ipconfig_ipv4);
+
+ connman_network_set_connected_dhcp_later(network, DHCP_RETRY_TIMEOUT);
+ __connman_ipconfig_set_local(ipconfig_ipv4, NULL);
+ } else {
+ if (method == CONNMAN_IPCONFIG_METHOD_DHCP) {
+ __connman_ipconfig_set_method(ipconfig_ipv4,
+ CONNMAN_IPCONFIG_METHOD_AUTO);
+ __connman_dhcp_decline(ipconfig_ipv4);
+ }
+ /* Start IPv4LL ACD. */
+ start_ipv4ll(network);
+ }
+}
+
+static void acd_host_ipv4_maxconflict(struct acd_host *acd, gpointer user_data)
+{
+ struct connman_network *network = user_data;
+
+ remove_ipv4ll_timeout(network);
+ connman_info("Had maximum number of conflicts. Next IPv4LL address will be "
+ "tried in %d seconds", RATE_LIMIT_INTERVAL);
+ /* Wait, then start IPv4LL ACD. */
+ network->ipv4ll_timeout =
+ g_timeout_add_seconds_full(G_PRIORITY_HIGH,
+ RATE_LIMIT_INTERVAL,
+ start_ipv4ll_ontimeout,
+ network,
+ NULL);
+}
+
+static int start_acd(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv4;
+ const char* address;
+ struct in_addr addr;
+
+ remove_ipv4ll_timeout(network);
+
+ service = connman_service_lookup_from_network(network);
+ if (!service)
+ return -EINVAL;
+
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ if (!ipconfig_ipv4) {
+ connman_error("Service has no IPv4 configuration");
+ return -EINVAL;
+ }
+
+ if (!network->acd_host) {
+ int index;
+
+ index = __connman_ipconfig_get_index(ipconfig_ipv4);
+ network->acd_host = acd_host_new(index,
+ connman_service_get_dbuspath(service));
+ if (!network->acd_host) {
+ connman_error("Could not create ACD data structure");
+ return -EINVAL;
+ }
+
+ acd_host_register_event(network->acd_host,
+ ACD_HOST_EVENT_IPV4_AVAILABLE,
+ acd_host_ipv4_available, network);
+ acd_host_register_event(network->acd_host,
+ ACD_HOST_EVENT_IPV4_LOST,
+ acd_host_ipv4_lost, network);
+ acd_host_register_event(network->acd_host,
+ ACD_HOST_EVENT_IPV4_CONFLICT,
+ acd_host_ipv4_conflict, network);
+ acd_host_register_event(network->acd_host,
+ ACD_HOST_EVENT_IPV4_MAXCONFLICT,
+ acd_host_ipv4_maxconflict, network);
+ }
+
+ address = __connman_ipconfig_get_local(ipconfig_ipv4);
+ if (!address)
+ return -EINVAL;
+
+ connman_info("Starting ACD for address %s", address);
+ if (inet_pton(AF_INET, address, &addr) != 1)
+ connman_error("Could not convert address %s", address);
+
+ acd_host_start(network->acd_host, htonl(addr.s_addr));
+
+ return 0;
+}
+
static void dhcp_success(struct connman_network *network)
{
struct connman_service *service;
if (!ipconfig_ipv4)
return;
+ if (connman_setting_get_bool("AddressConflictDetection")) {
+ err = start_acd(network);
+ if (!err)
+ return;
+
+ /* On error proceed without ACD. */
+ }
+
err = __connman_ipconfig_address_add(ipconfig_ipv4);
if (err < 0)
goto err;
if (!__connman_ipconfig_get_local(ipconfig))
__connman_service_read_ip4config(service);
+ if (connman_setting_get_bool("AddressConflictDetection")) {
+ err = start_acd(network);
+ if (!err)
+ return 0;
+
+ /* On error proceed without ACD. */
+ }
+
err = __connman_ipconfig_address_add(ipconfig);
if (err < 0)
goto err;
return err;
}
+static void remove_dhcp_timeout(struct connman_network *network)
+{
+ if (network->dhcp_timeout > 0) {
+ g_source_remove(network->dhcp_timeout);
+ network->dhcp_timeout = 0;
+ }
+}
+
static int set_connected_dhcp(struct connman_network *network)
{
struct connman_service *service;
int err;
DBG("network %p", network);
+ remove_dhcp_timeout(network);
service = connman_service_lookup_from_network(network);
ipconfig_ipv4 = __connman_service_get_ip4config(service);
return 0;
}
+static gboolean set_connected_dhcp_timout(gpointer data)
+{
+ struct connman_network *network = data;
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig;
+ enum connman_ipconfig_method method;
+
+ network->dhcp_timeout = 0;
+
+ service = connman_service_lookup_from_network(network);
+ if (!service)
+ return FALSE;
+
+ ipconfig = __connman_service_get_ip4config(service);
+ if (!ipconfig)
+ return FALSE;
+
+ /* Method is still DHCP? */
+ method = __connman_ipconfig_get_method(ipconfig);
+ if (method == CONNMAN_IPCONFIG_METHOD_DHCP)
+ set_connected_dhcp(network);
+
+ return FALSE;
+}
+
+void connman_network_set_connected_dhcp_later(struct connman_network *network,
+ uint32_t sec)
+{
+ remove_dhcp_timeout(network);
+
+ network->dhcp_timeout =
+ g_timeout_add_seconds_full(G_PRIORITY_HIGH,
+ sec,
+ set_connected_dhcp_timout,
+ network,
+ NULL);
+}
+
static int manual_ipv6_set(struct connman_network *network,
struct connman_ipconfig *ipconfig_ipv6)
{
DBG("re-send router solicitation %d",
network->router_solicit_count);
network->router_solicit_count--;
- __connman_inet_ipv6_send_rs(network->index, 1,
+ __connman_inet_ipv6_send_rs(network->index, RTR_SOLICITATION_INTERVAL,
check_dhcpv6, network);
return;
}
network->router_solicit_refresh_count = 0;
connman_network_unref(network);
- return;
}
int __connman_network_refresh_rs_ipv6(struct connman_network *network,
/* Try to get stateless DHCPv6 information, RFC 3736 */
network->router_solicit_count = 3;
- __connman_inet_ipv6_send_rs(index, 1, check_dhcpv6, network);
+ __connman_inet_ipv6_send_rs(index, RTR_SOLICITATION_INTERVAL,
+ check_dhcpv6, network);
}
static void set_connected(struct connman_network *network)
__connman_service_notify_ipv4_configuration(service);
/* fall through */
case CONNMAN_IPCONFIG_METHOD_DHCP:
+ remove_dhcp_timeout(network);
__connman_dhcp_stop(ipconfig_ipv4);
break;
}
g_free(network->node);
g_free(network->name);
g_free(network->identifier);
+ acd_host_free(network->acd_host);
network->device = NULL;
/**
* connman_network_create:
- * @identifier: network identifier (for example an unqiue name)
+ * @identifier: network identifier (for example an unique name)
*
* Allocate a new network and assign the #identifier to it.
*
network->type = type;
network->identifier = ident;
+ network->acd_host = NULL;
+ network->ipv4ll_timeout = 0;
network_list = g_slist_prepend(network_list, network);
+ network->dhcp_timeout = 0;
+
DBG("network %p identifier %s type %s", network, identifier,
type2string(type));
return network;
if (!network->device)
return -ENODEV;
- network->connecting = true;
-
__connman_device_disconnect(network->device);
+ network->connecting = true;
+
err = network->driver->connect(network);
if (err < 0) {
if (err == -EINPROGRESS)
DBG("network %p", network);
+ remove_ipv4ll_timeout(network);
+ if (network->acd_host)
+ acd_host_stop(network->acd_host);
+
if (!network->connected && !network->connecting &&
!network->associating)
return -ENOTCONN;
case CONNMAN_IPCONFIG_METHOD_OFF:
case CONNMAN_IPCONFIG_METHOD_FIXED:
return -EINVAL;
- case CONNMAN_IPCONFIG_METHOD_AUTO:
- release_dhcpv6(network);
- break;
case CONNMAN_IPCONFIG_METHOD_MANUAL:
__connman_ipconfig_address_remove(ipconfig);
break;
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ release_dhcpv6(network);
+ if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
+ break;
+ /* fall through */
case CONNMAN_IPCONFIG_METHOD_DHCP:
+ remove_dhcp_timeout(network);
__connman_dhcp_stop(ipconfig_ipv4);
break;
}
network->roaming = value;
else if (g_strcmp0(key, "WiFi.WPS") == 0)
network->wifi.wps = value;
+ else if (g_strcmp0(key, "WiFi.WPSAdvertising") == 0)
+ network->wifi.wps_advertizing = value;
else if (g_strcmp0(key, "WiFi.UseWPS") == 0)
network->wifi.use_wps = value;
return network->roaming;
else if (g_str_equal(key, "WiFi.WPS"))
return network->wifi.wps;
+ else if (g_str_equal(key, "WiFi.WPSAdvertising"))
+ return network->wifi.wps_advertizing;
else if (g_str_equal(key, "WiFi.UseWPS"))
return network->wifi.use_wps;
projects / platform / upstream / connman.git / blobdiff