#include <errno.h>
#include <string.h>
#include <stdlib.h>
+#include <net/ethernet.h>
+
+#ifndef IPV6_MIN_MTU
+#define IPV6_MIN_MTU 1280
+#endif
#include <connman/ipconfig.h>
#include <include/setting.h>
#define RATE_LIMIT_INTERVAL 60 /* delay between successive attempts */
+#if defined TIZEN_EXT
+#define DHCP_SUCCESS "DHCP_SUCCESS"
+#endif
+
struct connman_dhcp {
struct connman_ipconfig *ipconfig;
struct connman_network *network;
GDHCPClient *dhcp_client;
char *ipv4ll_debug_prefix;
char *dhcp_debug_prefix;
+
+ bool ipv4ll_running;
};
static GHashTable *ipconfig_table;
-static bool ipv4ll_running;
static void dhcp_free(struct connman_dhcp *dhcp)
{
+#if defined TIZEN_EXT
+ DBG("dhcp_free [%p]", dhcp);
+#endif
g_strfreev(dhcp->nameservers);
g_strfreev(dhcp->timeservers);
g_free(dhcp->pac);
dhcp->pac = NULL;
g_free(dhcp);
+#if defined TIZEN_EXT
+ dhcp = NULL;
+#endif
}
static void ipv4ll_stop_client(struct connman_dhcp *dhcp)
{
+#if defined TIZEN_EXT
+ DBG("dhcp [%p] ipv4ll_client [%p]", dhcp, dhcp->ipv4ll_client);
+#endif
if (!dhcp->ipv4ll_client)
return;
g_dhcp_client_stop(dhcp->ipv4ll_client);
g_dhcp_client_unref(dhcp->ipv4ll_client);
dhcp->ipv4ll_client = NULL;
- ipv4ll_running = false;
+ dhcp->ipv4ll_running = false;
g_free(dhcp->ipv4ll_debug_prefix);
dhcp->ipv4ll_debug_prefix = NULL;
__connman_service_timeserver_remove(service,
dhcp->timeservers[i]);
}
+ g_strfreev(dhcp->timeservers);
+ dhcp->timeservers = NULL;
}
if (dhcp->nameservers) {
for (i = 0; dhcp->nameservers[i]; i++) {
+#if defined TIZEN_EXT
+ __connman_service_nameserver_remove(service,
+ dhcp->nameservers[i], false,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
+#else
__connman_service_nameserver_remove(service,
dhcp->nameservers[i], false);
+#endif
}
+ g_strfreev(dhcp->nameservers);
+ dhcp->nameservers = NULL;
}
return true;
int index;
int err;
+#if defined TIZEN_EXT
+ DBG("dhcp %p", dhcp);
+#endif
+
if (dhcp->ipv4ll_client)
return -EALREADY;
if (error != G_DHCP_CLIENT_ERROR_NONE)
return -EINVAL;
+#if !defined TIZEN_EXT
if (getenv("CONNMAN_DHCP_DEBUG")) {
+#endif
dhcp->ipv4ll_debug_prefix = g_strdup_printf("IPv4LL index %d",
index);
g_dhcp_client_set_debug(ipv4ll_client, dhcp_debug,
dhcp->ipv4ll_debug_prefix);
+#if !defined TIZEN_EXT
}
+#endif
g_dhcp_client_set_id(ipv4ll_client);
return err;
}
- ipv4ll_running = true;
+ dhcp->ipv4ll_running = true;
return 0;
}
dhcp->timeout = 0;
+#if defined TIZEN_EXT
+ DBG("dhcp %p", dhcp);
+ DBG("dhcp->timeout %d", dhcp->timeout);
+#endif
g_dhcp_client_start(dhcp->dhcp_client,
__connman_ipconfig_get_dhcp_address(dhcp->ipconfig));
struct connman_dhcp *dhcp = user_data;
int err;
- DBG("No lease available ipv4ll %d client %p", ipv4ll_running,
+ DBG("No lease available ipv4ll %d client %p", dhcp->ipv4ll_running,
dhcp->ipv4ll_client);
+#if defined TIZEN_EXT
+ if (dhcp->network &&
+ connman_network_get_bool(dhcp->network, "WiFi.RoamingDHCP")) {
+ int lease_time = 0;
+
+ connman_network_set_bool(dhcp->network, "WiFi.RoamingDHCP", false);
+ __connman_network_enable_ipconfig(dhcp->network, dhcp->ipconfig);
+ __connman_network_notify_dhcp_changed("DHCP_FAIL", &lease_time);
+
+ return;
+ }
+
+ if (connman_setting_get_bool("EnableAutoIp") == false) {
+ DBG("link-local address autoconfiguration is disabled.");
+ if (dhcp->network) {
+ int lease_time = 0;
+ DBG("[DHCP-C] auto ip is not used, set dhcp-fail error and disconnect");
+ __connman_network_notify_dhcp_changed("DHCP_FAIL", &lease_time);
+ connman_network_set_error(dhcp->network, CONNMAN_NETWORK_ERROR_DHCP_FAIL);
+ }
+ return;
+ }
+#endif
+ if (dhcp->timeout > 0)
+ g_source_remove(dhcp->timeout);
+
dhcp->timeout = g_timeout_add_seconds(RATE_LIMIT_INTERVAL,
dhcp_retry_cb,
dhcp);
- if (ipv4ll_running)
+ if (dhcp->ipv4ll_running)
return;
err = ipv4ll_start_client(dhcp);
DBG("Cannot start ipv4ll client (%d/%s)", err, strerror(-err));
/* Only notify upper layer if we have a problem */
- dhcp_invalidate(dhcp, !ipv4ll_running);
+ dhcp_invalidate(dhcp, !dhcp->ipv4ll_running);
}
static void lease_lost_cb(GDHCPClient *dhcp_client, gpointer user_data)
return false;
}
+ option = g_dhcp_client_get_option(dhcp_client, G_DHCP_MTU);
+ if (option && option->data) {
+ int mtu, index, err;
+
+ mtu = atoi(option->data);
+
+ if (mtu >= IPV6_MIN_MTU && mtu <= ETH_DATA_LEN) {
+ index = __connman_ipconfig_get_index(dhcp->ipconfig);
+ err = connman_inet_set_mtu(index, mtu);
+
+ DBG("MTU %d index %d err %d", mtu, index, err);
+ }
+ }
+
option = g_dhcp_client_get_option(dhcp_client, 252);
if (option)
pac = g_strdup(option->data);
if (!compare_string_arrays(nameservers, dhcp->nameservers)) {
if (dhcp->nameservers) {
+#if defined TIZEN_EXT
+ for (i = 0; dhcp->nameservers[i] != NULL; i++) {
+ __connman_service_nameserver_remove(service,
+ dhcp->nameservers[i], false,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
+ }
+#else
for (i = 0; dhcp->nameservers[i]; i++) {
__connman_service_nameserver_remove(service,
dhcp->nameservers[i], false);
}
+#endif
g_strfreev(dhcp->nameservers);
}
dhcp->nameservers = nameservers;
for (i = 0; dhcp->nameservers && dhcp->nameservers[i]; i++) {
+#if defined TIZEN_EXT
+ __connman_service_nameserver_append(service,
+ dhcp->nameservers[i], false,
+ CONNMAN_IPCONFIG_TYPE_IPV4);
+#else
__connman_service_nameserver_append(service,
dhcp->nameservers[i], false);
+#endif
}
} else {
g_strfreev(nameservers);
{
struct connman_dhcp *dhcp = user_data;
GList *option = NULL;
+ enum connman_ipconfig_method old_method;
char *address, *netmask = NULL, *gateway = NULL;
const char *c_address, *c_gateway;
unsigned char prefixlen, c_prefixlen;
- bool ip_change;
+ bool ip_change = false;
DBG("Lease available");
__connman_ipconfig_set_dhcp_address(dhcp->ipconfig, address);
DBG("last address %s", address);
+#if defined TIZEN_EXT
+ int dhcp_lease_duration = g_dhcp_client_get_dhcp_lease_duration(dhcp_client);
+#endif
+
option = g_dhcp_client_get_option(dhcp_client, G_DHCP_SUBNET);
if (option)
netmask = g_strdup(option->data);
DBG("c_address %s", c_address);
- if (g_strcmp0(address, c_address))
+ if (g_strcmp0(address, c_address)) {
ip_change = true;
- else if (g_strcmp0(gateway, c_gateway))
+ if (c_address) {
+ /* Remove old ip address */
+ __connman_ipconfig_address_remove(dhcp->ipconfig);
+ }
+ }
+ if (g_strcmp0(gateway, c_gateway)) {
ip_change = true;
- else if (prefixlen != c_prefixlen)
+ if (c_gateway) {
+ /* Remove gateway ip address */
+ __connman_ipconfig_gateway_remove(dhcp->ipconfig);
+ }
+ } else if (prefixlen != c_prefixlen)
ip_change = true;
- else
- ip_change = false;
+ old_method = __connman_ipconfig_get_method(dhcp->ipconfig);
__connman_ipconfig_set_method(dhcp->ipconfig,
CONNMAN_IPCONFIG_METHOD_DHCP);
+
+#if defined TIZEN_EXT
+ __connman_ipconfig_set_dhcp_lease_duration(dhcp->ipconfig, dhcp_lease_duration);
+ __connman_network_notify_dhcp_changed(DHCP_SUCCESS, &dhcp_lease_duration);
+#endif
+
+ /*
+ * Notify IPv4.Configuration's method moved back to DHCP.
+ *
+ * This is the case ConnMan initially set an address by using
+ * IPv4LL because DHCP failed but now we got an address from DHCP.
+ */
+ if (old_method == CONNMAN_IPCONFIG_METHOD_AUTO) {
+ struct connman_service *service =
+ connman_service_lookup_from_network(dhcp->network);
+
+ if (service)
+ __connman_service_notify_ipv4_configuration(service);
+ }
+
+#if defined TIZEN_EXT
+ if (connman_network_get_bool(dhcp->network, "WiFi.RoamingDHCP")) {
+
+ if (ip_change)
+ connman_service_notify_reconnection(
+ connman_service_lookup_from_network(dhcp->network));
+
+ connman_network_set_bool(dhcp->network, "WiFi.RoamingDHCP", false);
+ }
+#endif
+
if (ip_change) {
__connman_ipconfig_set_local(dhcp->ipconfig, address);
__connman_ipconfig_set_prefixlen(dhcp->ipconfig, prefixlen);
static void ipv4ll_available_cb(GDHCPClient *ipv4ll_client, gpointer user_data)
{
struct connman_dhcp *dhcp = user_data;
-#if !defined TIZEN_EXT
- char *address, *netmask;
- unsigned char prefixlen;
-#endif
+ enum connman_ipconfig_method old_method;
+ char *address, *netmask;
+ unsigned char prefixlen;
DBG("IPV4LL available");
-#if defined TIZEN_EXT
- /*
- * Description: When DHCP is failed,
- * most of normal users cannot understand auto-generated IP
- * (IPV4 link local) and serious troubles to make Internet connection.
- */
- dhcp_invalidate(dhcp, true);
-
- connman_network_set_error(dhcp->network,
- CONNMAN_NETWORK_ERROR_DHCP_FAIL);
-#else
address = g_dhcp_client_get_address(ipv4ll_client);
netmask = g_dhcp_client_get_netmask(ipv4ll_client);
prefixlen = connman_ipaddress_calc_netmask_len(netmask);
+ old_method = __connman_ipconfig_get_method(dhcp->ipconfig);
__connman_ipconfig_set_method(dhcp->ipconfig,
- CONNMAN_IPCONFIG_METHOD_DHCP);
+ CONNMAN_IPCONFIG_METHOD_AUTO);
+
+ /*
+ * Notify IPv4.Configuration's method is AUTO now.
+ *
+ * This is the case DHCP failed thus ConnMan used IPv4LL to get an
+ * address. Set IPv4.Configuration method to AUTO allows user to
+ * ask for a DHCP address by setting the method again to DHCP.
+ */
+ if (old_method == CONNMAN_IPCONFIG_METHOD_DHCP) {
+ struct connman_service *service =
+ connman_service_lookup_from_network(dhcp->network);
+
+ if (service)
+ __connman_service_notify_ipv4_configuration(service);
+ }
+
__connman_ipconfig_set_local(dhcp->ipconfig, address);
__connman_ipconfig_set_prefixlen(dhcp->ipconfig, prefixlen);
__connman_ipconfig_set_gateway(dhcp->ipconfig, NULL);
g_free(address);
g_free(netmask);
-#endif
}
static int dhcp_initialize(struct connman_dhcp *dhcp)
GDHCPClient *dhcp_client;
GDHCPClientError error;
int index;
+ const char *vendor_class_id;
DBG("dhcp %p", dhcp);
dhcp_client = g_dhcp_client_new(G_DHCP_IPV4, index, &error);
if (error != G_DHCP_CLIENT_ERROR_NONE)
+#if defined TIZEN_EXT
+ {
+ DBG("failed g_dhcp_client_new(%d), index(%d)", error, index);
+#endif
return -EINVAL;
+#if defined TIZEN_EXT
+ }
+#endif
+#if !defined TIZEN_EXT
if (getenv("CONNMAN_DHCP_DEBUG")) {
+#endif
dhcp->dhcp_debug_prefix = g_strdup_printf("DHCP index %d",
index);
g_dhcp_client_set_debug(dhcp_client, dhcp_debug,
dhcp->dhcp_debug_prefix);
+#if !defined TIZEN_EXT
}
+#endif
g_dhcp_client_set_id(dhcp_client);
g_dhcp_client_set_request(dhcp_client, G_DHCP_DOMAIN_NAME);
g_dhcp_client_set_request(dhcp_client, G_DHCP_NTP_SERVER);
g_dhcp_client_set_request(dhcp_client, 252);
+ g_dhcp_client_set_request(dhcp_client, G_DHCP_MTU);
}
- g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
g_dhcp_client_set_request(dhcp_client, G_DHCP_ROUTER);
+ g_dhcp_client_set_request(dhcp_client, G_DHCP_SUBNET);
+
+ vendor_class_id = connman_setting_get_string("VendorClassID");
+ if (vendor_class_id)
+ g_dhcp_client_set_send(dhcp_client, G_DHCP_VENDOR_CLASS_ID,
+ vendor_class_id);
g_dhcp_client_register_event(dhcp_client,
G_DHCP_CLIENT_EVENT_LEASE_AVAILABLE,
return g_dhcp_client_get_server_address(dhcp->dhcp_client);
}
+#if defined TIZEN_EXT_WIFI_MESH
+int __connman_mesh_dhcp_start(struct connman_ipconfig *ipconfig,
+ dhcp_cb callback, gpointer user_data)
+{
+ struct connman_dhcp *dhcp;
+ int err;
+
+ DBG("");
+
+ dhcp = g_hash_table_lookup(ipconfig_table, ipconfig);
+ if (!dhcp) {
+
+ dhcp = g_try_new0(struct connman_dhcp, 1);
+ if (!dhcp)
+ return -ENOMEM;
+
+ dhcp->ipconfig = ipconfig;
+ __connman_ipconfig_ref(ipconfig);
+
+ err = dhcp_initialize(dhcp);
+
+ if (err < 0) {
+ g_free(dhcp);
+ return err;
+ }
+
+ g_hash_table_insert(ipconfig_table, ipconfig, dhcp);
+ }
+
+ dhcp->callback = callback;
+ dhcp->user_data = user_data;
+ return g_dhcp_client_start(dhcp->dhcp_client, NULL);
+}
+#endif
+
int __connman_dhcp_start(struct connman_ipconfig *ipconfig,
struct connman_network *network, dhcp_cb callback,
gpointer user_data)
{
+#if !defined TIZEN_EXT
const char *last_addr = NULL;
+#endif
struct connman_dhcp *dhcp;
int err;
return -EINVAL;
}
+#if !defined TIZEN_EXT
last_addr = __connman_ipconfig_get_dhcp_address(ipconfig);
+#endif
dhcp = g_hash_table_lookup(ipconfig_table, ipconfig);
if (!dhcp) {
dhcp->callback = callback;
dhcp->user_data = user_data;
+#if defined TIZEN_EXT
+ if (network && connman_network_get_bool(network, "WiFi.RoamingDHCP")) {
+ const char *last_addr = __connman_ipconfig_get_dhcp_address(ipconfig);
+
+ DBG("Start DHCP with last address request");
+ return g_dhcp_client_start(dhcp->dhcp_client, last_addr);
+ } else {
+ DBG("Start DHCP with DHCPDISCOVER request");
+ return g_dhcp_client_start(dhcp->dhcp_client, NULL);
+ }
+#else
return g_dhcp_client_start(dhcp->dhcp_client, last_addr);
+#endif
}
void __connman_dhcp_stop(struct connman_ipconfig *ipconfig)
}
}
+void __connman_dhcp_decline(struct connman_ipconfig *ipconfig)
+{
+ struct connman_dhcp *dhcp;
+ const char *address;
+ struct in_addr addr;
+
+ DBG("ipconfig_table %p ipconfig %p", ipconfig_table, ipconfig);
+
+ if (!ipconfig_table)
+ return;
+
+ dhcp = g_hash_table_lookup(ipconfig_table, ipconfig);
+ if (dhcp) {
+ address = __connman_ipconfig_get_local(ipconfig);
+ if (!address)
+ return;
+
+ if (inet_pton(AF_INET, address, &addr) != 1)
+ connman_error("Could not convert address %s", address);
+
+ g_dhcp_client_decline(dhcp->dhcp_client, htonl(addr.s_addr));
+ }
+}
+
int __connman_dhcp_init(void)
{
DBG("");
g_hash_table_destroy(ipconfig_table);
ipconfig_table = NULL;
-
- dhcp_cleanup_random();
}