*
* Connection Manager
*
- * Copyright (C) 2007-2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include "connman.h"
+/*
+ * How many times to send RS with the purpose of
+ * refreshing RDNSS entries before they actually expire.
+ * With a value of 1, one RS will be sent, with no retries.
+ */
+#define RS_REFRESH_COUNT 1
+
+/*
+ * Value in seconds to wait for RA after RS was sent.
+ * After this time elapsed, we can send another RS.
+ */
+#define RS_REFRESH_TIMEOUT 3
+
static GSList *network_list = NULL;
static GSList *driver_list = NULL;
char *path;
int index;
int router_solicit_count;
+ int router_solicit_refresh_count;
struct connman_network_driver *driver;
void *driver_data;
return NULL;
}
-connman_bool_t __connman_network_has_driver(struct connman_network *network)
-{
- if (network == NULL || network->driver == NULL)
- return FALSE;
-
- return TRUE;
-}
-
static gboolean match_driver(struct connman_network *network,
struct connman_network_driver *driver)
{
*
* Increase reference counter of network
*/
-struct connman_network *connman_network_ref(struct connman_network *network)
+struct connman_network *
+connman_network_ref_debug(struct connman_network *network,
+ const char *file, int line, const char *caller)
{
- DBG("network %p name %s refcount %d", network, network->name,
- network->refcount + 1);
+ DBG("%p name %s ref %d by %s:%d:%s()", network, network->name,
+ network->refcount + 1, file, line, caller);
__sync_fetch_and_add(&network->refcount, 1);
*
* Decrease reference counter of network
*/
-void connman_network_unref(struct connman_network *network)
+void connman_network_unref_debug(struct connman_network *network,
+ const char *file, int line, const char *caller)
{
- DBG("network %p name %s refcount %d", network, network->name,
- network->refcount - 1);
+ DBG("%p name %s ref %d by %s:%d:%s()", network, network->name,
+ network->refcount - 1, file, line, caller);
if (__sync_fetch_and_sub(&network->refcount, 1) != 1)
return;
if (ipconfig == NULL)
return;
- connman_ipconfig_set_method(ipconfig, method);
+ __connman_ipconfig_set_method(ipconfig, method);
}
void connman_network_set_ipv6_method(struct connman_network *network,
if (ipconfig == NULL)
return;
- connman_ipconfig_set_method(ipconfig, method);
+ __connman_ipconfig_set_method(ipconfig, method);
}
void connman_network_set_error(struct connman_network *network,
__connman_dhcpv6_stop(network);
}
+static void dhcpv6_release_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ DBG("success %d", success);
+
+ stop_dhcpv6(network);
+}
+
+static void release_dhcpv6(struct connman_network *network)
+{
+ __connman_dhcpv6_start_release(network, dhcpv6_release_callback);
+ stop_dhcpv6(network);
+}
+
static void dhcpv6_info_callback(struct connman_network *network,
connman_bool_t success)
{
stop_dhcpv6(network);
}
+static gboolean dhcpv6_set_addresses(struct connman_network *network)
+{
+ struct connman_service *service;
+ struct connman_ipconfig *ipconfig_ipv6;
+ int err = -EINVAL;
+
+ service = __connman_service_lookup_from_network(network);
+ if (service == NULL)
+ goto err;
+
+ connman_network_set_associating(network, FALSE);
+
+ network->connecting = FALSE;
+
+ ipconfig_ipv6 = __connman_service_get_ip6config(service);
+ err = __connman_ipconfig_address_add(ipconfig_ipv6);
+ if (err < 0)
+ goto err;
+
+ err = __connman_ipconfig_gateway_add(ipconfig_ipv6);
+ if (err < 0)
+ goto err;
+
+ return 0;
+
+err:
+ connman_network_set_error(network,
+ CONNMAN_NETWORK_ERROR_CONFIGURE_FAIL);
+ return err;
+}
+
+static void autoconf_ipv6_set(struct connman_network *network);
+static void dhcpv6_callback(struct connman_network *network,
+ connman_bool_t success);
+
+/*
+ * Have a separate callback for renew so that we do not do autoconf
+ * in wrong phase as the dhcpv6_callback() is also called when doing
+ * DHCPv6 solicitation.
+ */
+static void dhcpv6_renew_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ if (success == TRUE)
+ dhcpv6_callback(network, success);
+ else {
+ stop_dhcpv6(network);
+
+ /* restart and do solicit again. */
+ autoconf_ipv6_set(network);
+ }
+}
+
+static void dhcpv6_callback(struct connman_network *network,
+ connman_bool_t success)
+{
+ DBG("success %d", success);
+
+ /* Start the renew process if necessary */
+ if (success == TRUE) {
+
+ if (dhcpv6_set_addresses(network) < 0) {
+ stop_dhcpv6(network);
+ return;
+ }
+
+ if (__connman_dhcpv6_start_renew(network,
+ dhcpv6_renew_callback) == -ETIMEDOUT)
+ dhcpv6_renew_callback(network, FALSE);
+ } else
+ stop_dhcpv6(network);
+}
+
static void check_dhcpv6(struct nd_router_advert *reply,
unsigned int length, void *user_data)
{
struct connman_network *network = user_data;
+ GSList *prefixes;
DBG("reply %p", reply);
network->router_solicit_count = 0;
- /* We do stateless DHCPv6 only if router advertisement says so */
- if (reply->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)
+ /*
+ * If we were disconnected while waiting router advertisement,
+ * we just quit and do not start DHCPv6
+ */
+ if (network->connected == FALSE) {
+ connman_network_unref(network);
+ return;
+ }
+
+ prefixes = __connman_inet_ipv6_get_prefixes(reply, length);
+
+ /*
+ * We do stateful/stateless DHCPv6 if router advertisement says so.
+ */
+ if (reply->nd_ra_flags_reserved & ND_RA_FLAG_MANAGED)
+ __connman_dhcpv6_start(network, prefixes, dhcpv6_callback);
+ else if (reply->nd_ra_flags_reserved & ND_RA_FLAG_OTHER)
__connman_dhcpv6_start_info(network, dhcpv6_info_callback);
connman_network_unref(network);
}
+static void receive_refresh_rs_reply(struct nd_router_advert *reply,
+ unsigned int length, void *user_data)
+{
+ struct connman_network *network = user_data;
+
+ DBG("reply %p", reply);
+
+ if (reply == NULL) {
+ /*
+ * Router solicitation message seem to get lost easily so
+ * try to send it again.
+ */
+ if (network->router_solicit_refresh_count > 1) {
+ network->router_solicit_refresh_count--;
+ DBG("re-send router solicitation %d",
+ network->router_solicit_refresh_count);
+ __connman_inet_ipv6_send_rs(network->index,
+ RS_REFRESH_TIMEOUT,
+ receive_refresh_rs_reply,
+ network);
+ return;
+ }
+ }
+
+ /* RS refresh not in progress anymore */
+ network->router_solicit_refresh_count = 0;
+
+ connman_network_unref(network);
+ return;
+}
+
+int __connman_refresh_rs_ipv6(struct connman_network *network, int index)
+{
+ int ret = 0;
+
+ DBG("network %p index %d", network, index);
+
+ /* Send only one RS for all RDNSS entries which are about to expire */
+ if (network->router_solicit_refresh_count > 0) {
+ DBG("RS refresh already started");
+ return 0;
+ }
+
+ network->router_solicit_refresh_count = RS_REFRESH_COUNT;
+
+ connman_network_ref(network);
+
+ ret = __connman_inet_ipv6_send_rs(index, RS_REFRESH_TIMEOUT,
+ receive_refresh_rs_reply, network);
+ return ret;
+}
+
static void autoconf_ipv6_set(struct connman_network *network)
{
struct connman_service *service;
DBG("network %p", network);
+ if (network->router_solicit_count > 0) {
+ /*
+ * The autoconfiguration is already pending and we have sent
+ * router solicitation messages and are now waiting answers.
+ * There is no need to continue any further.
+ */
+ DBG("autoconfiguration already started");
+ return;
+ }
+
__connman_device_set_network(network->device, network);
connman_device_set_disconnected(network->device, FALSE);
if (ipconfig == NULL)
return;
- index = connman_ipconfig_get_index(ipconfig);
+ index = __connman_ipconfig_get_index(ipconfig);
connman_network_ref(network);
__connman_inet_ipv6_send_rs(index, 1, check_dhcpv6, network);
}
-static gboolean set_connected(gpointer user_data)
+static void set_connected(struct connman_network *network)
{
- 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;
+ struct connman_service *service;
+ int ret;
+
+ if (network->connected == TRUE)
+ return;
+
+ network->connected = TRUE;
service = __connman_service_lookup_from_network(network);
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,
+ switch (ipv6_method) {
+ case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+ case CONNMAN_IPCONFIG_METHOD_OFF:
+ break;
+ case CONNMAN_IPCONFIG_METHOD_DHCP:
+ 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;
+ return;
}
+ 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,
+ switch (ipv4_method) {
+ case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+ case CONNMAN_IPCONFIG_METHOD_OFF:
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ return;
+ 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,
+ return;
+ }
+ return;
+ case CONNMAN_IPCONFIG_METHOD_MANUAL:
+ set_connected_manual(network);
+ return;
+ case CONNMAN_IPCONFIG_METHOD_DHCP:
+ if (set_connected_dhcp(network) < 0) {
+ connman_network_set_error(network,
CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
- return FALSE;
- }
+ return;
}
+ }
- } else {
- enum connman_service_state state;
+ network->connecting = FALSE;
- /*
- * Resetting solicit count here will prevent the RS resend loop
- * from sending packets in check_dhcpv6()
- */
- network->router_solicit_count = 0;
+ connman_network_set_associating(network, FALSE);
+}
- __connman_device_set_network(network->device, NULL);
+static void set_disconnected(struct connman_network *network)
+{
+ struct connman_ipconfig *ipconfig_ipv4, *ipconfig_ipv6;
+ enum connman_ipconfig_method ipv4_method, ipv6_method;
+ enum connman_service_state state;
+ struct connman_service *service;
- switch (ipv6_method) {
- case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
- case CONNMAN_IPCONFIG_METHOD_OFF:
- case CONNMAN_IPCONFIG_METHOD_FIXED:
- case CONNMAN_IPCONFIG_METHOD_MANUAL:
- case CONNMAN_IPCONFIG_METHOD_DHCP:
- break;
- case CONNMAN_IPCONFIG_METHOD_AUTO:
- stop_dhcpv6(network);
- break;
- }
+ if (network->connected == FALSE)
+ return;
- 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;
- }
+ network->connected = FALSE;
- /*
- * 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);
+ service = __connman_service_lookup_from_network(network);
- 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);
+ ipconfig_ipv4 = __connman_service_get_ip4config(service);
+ ipconfig_ipv6 = __connman_service_get_ip6config(service);
- __connman_connection_gateway_remove(service,
- CONNMAN_IPCONFIG_TYPE_ALL);
+ DBG("service %p ipv4 %p ipv6 %p", service, ipconfig_ipv4,
+ ipconfig_ipv6);
- __connman_ipconfig_address_unset(ipconfig_ipv4);
- __connman_ipconfig_address_unset(ipconfig_ipv6);
+ ipv4_method = __connman_ipconfig_get_method(ipconfig_ipv4);
+ ipv6_method = __connman_ipconfig_get_method(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);
- }
+ DBG("method ipv4 %d ipv6 %d", ipv4_method, ipv6_method);
+
+ /*
+ * Resetting solicit count here will prevent the RS resend loop
+ * from sending packets in check_dhcpv6()
+ */
+ network->router_solicit_count = 0;
+
+ __connman_device_set_network(network->device, NULL);
+
+ switch (ipv6_method) {
+ case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+ case CONNMAN_IPCONFIG_METHOD_OFF:
+ case CONNMAN_IPCONFIG_METHOD_FIXED:
+ case CONNMAN_IPCONFIG_METHOD_MANUAL:
+ break;
+ case CONNMAN_IPCONFIG_METHOD_DHCP:
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ release_dhcpv6(network);
+ break;
+ }
+
+ 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_IDLE,
+ 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_IDLE,
+ 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);
}
+ __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);
+
network->connecting = FALSE;
connman_network_set_associating(network, FALSE);
-
- return FALSE;
}
/**
int connman_network_set_connected(struct connman_network *network,
connman_bool_t connected)
{
- DBG("network %p connected %d", network, connected);
+ DBG("network %p connected %d/%d connecting %d associating %d",
+ network, network->connected, connected, network->connecting,
+ network->associating);
if ((network->connecting == TRUE || network->associating == TRUE) &&
connected == FALSE) {
connman_network_set_error(network,
CONNMAN_NETWORK_ERROR_CONNECT_FAIL);
- __connman_network_disconnect(network);
+ if (__connman_network_disconnect(network) == 0)
+ return 0;
}
if (network->connected == connected)
return -EALREADY;
- network->connected = connected;
-
- set_connected(network);
+ if (connected == FALSE)
+ set_disconnected(network);
+ else
+ set_connected(network);
return 0;
}
int connman_network_connect_hidden(struct connman_network *network,
char *identity, char* passphrase)
{
+ int err = 0;
struct connman_service *service;
DBG("");
__connman_service_set_agent_identity(service, identity);
if (passphrase != NULL)
- __connman_service_add_passphrase(service, passphrase);
+ err = __connman_service_add_passphrase(service, passphrase);
- return __connman_service_connect(service);
+ if (err == -ENOKEY) {
+ __connman_service_indicate_error(service,
+ CONNMAN_SERVICE_ERROR_INVALID_KEY);
+ return err;
+ } else {
+ __connman_service_set_hidden(service);
+ __connman_service_set_userconnect(service, TRUE);
+ return __connman_service_connect(service);
+ }
}
/**
return err;
}
- network->connected = TRUE;
set_connected(network);
return err;
network->connecting = FALSE;
err = network->driver->disconnect(network);
- if (err == 0) {
- connman_network_set_connected(network, FALSE);
- set_connected(network);
- }
+ if (err == 0)
+ set_disconnected(network);
return err;
}
case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
case CONNMAN_IPCONFIG_METHOD_OFF:
case CONNMAN_IPCONFIG_METHOD_FIXED:
- case CONNMAN_IPCONFIG_METHOD_AUTO:
return -EINVAL;
+ case CONNMAN_IPCONFIG_METHOD_AUTO:
+ release_dhcpv6(network);
+ break;
case CONNMAN_IPCONFIG_METHOD_MANUAL:
__connman_ipconfig_address_remove(ipconfig);
break;
projects / framework / connectivity / connman.git / blobdiff