Release tizen_2.0_beta
[framework/connectivity/connman.git] / src / ipconfig.c
index c557063..e26f209 100644 (file)
@@ -23,6 +23,8 @@
 #include <config.h>
 #endif
 
+#include <errno.h>
+#include <stdio.h>
 #include <net/if.h>
 #include <net/if_arp.h>
 #include <linux/if_link.h>
@@ -38,7 +40,7 @@
 #include "connman.h"
 
 struct connman_ipconfig {
-       gint refcount;
+       int refcount;
        int index;
        enum connman_ipconfig_type type;
 
@@ -51,7 +53,8 @@ struct connman_ipconfig {
        struct connman_ipaddress *address;
        struct connman_ipaddress *system;
 
-       struct connman_ipconfig *ipv6;
+       int ipv6_privacy_config;
+       char *last_dhcp_address;
 };
 
 struct connman_ipdevice {
@@ -71,12 +74,16 @@ struct connman_ipdevice {
        uint32_t tx_dropped;
 
        GSList *address_list;
-       char *gateway;
+       char *ipv4_gateway;
+       char *ipv6_gateway;
 
-       struct connman_ipconfig *config;
+       char *pac;
 
-       struct connman_ipconfig_driver *driver;
-       struct connman_ipconfig *driver_config;
+       struct connman_ipconfig *config_ipv4;
+       struct connman_ipconfig *config_ipv6;
+
+       gboolean ipv6_enabled;
+       int ipv6_privacy;
 };
 
 static GHashTable *ipdevice_hash = NULL;
@@ -112,16 +119,23 @@ void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
        g_free(ipaddress);
 }
 
-static unsigned char netmask2prefixlen(const char *netmask)
+unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 {
-       unsigned char bits = 0;
-       in_addr_t mask = inet_network(netmask);
-       in_addr_t host = ~mask;
+       unsigned char bits;
+       in_addr_t mask;
+       in_addr_t host;
+
+       if (netmask == NULL)
+               return 32;
+
+       mask = inet_network(netmask);
+       host = ~mask;
 
        /* a valid netmask must be 2^n - 1 */
        if ((host & (host + 1)) != 0)
                return -1;
 
+       bits = 0;
        for (; mask; mask <<= 1)
                ++bits;
 
@@ -133,6 +147,9 @@ static gboolean check_ipv6_address(const char *address)
        unsigned char buf[sizeof(struct in6_addr)];
        int err;
 
+       if (address == NULL)
+               return FALSE;
+
        err = inet_pton(AF_INET6, address, buf);
        if (err > 0)
                return TRUE;
@@ -141,8 +158,9 @@ static gboolean check_ipv6_address(const char *address)
 }
 
 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
-                               const char *address, const char *gateway,
-                                               unsigned char prefix_length)
+                               const char *address,
+                               unsigned char prefix_length,
+                               const char *gateway)
 {
        if (ipaddress == NULL)
                return -EINVAL;
@@ -156,6 +174,8 @@ int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
        DBG("prefix_len %d address %s gateway %s",
                        prefix_length, address, gateway);
 
+       ipaddress->family = AF_INET6;
+
        ipaddress->prefixlen = prefix_length;
 
        g_free(ipaddress->local);
@@ -167,22 +187,33 @@ int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
        return 0;
 }
 
-void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
+int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
                const char *address, const char *netmask, const char *gateway)
 {
        if (ipaddress == NULL)
-               return;
+               return -EINVAL;
 
-       if (netmask != NULL)
-               ipaddress->prefixlen = netmask2prefixlen(netmask);
-       else
-               ipaddress->prefixlen = 32;
+       ipaddress->family = AF_INET;
+
+       ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 
        g_free(ipaddress->local);
        ipaddress->local = g_strdup(address);
 
        g_free(ipaddress->gateway);
        ipaddress->gateway = g_strdup(gateway);
+
+       return 0;
+}
+
+void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
+                               const char *peer)
+{
+       if (ipaddress == NULL)
+               return;
+
+       g_free(ipaddress->peer);
+       ipaddress->peer = g_strdup(peer);
 }
 
 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
@@ -258,6 +289,20 @@ static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevic
        return NULL;
 }
 
+const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
+{
+       switch (type) {
+       case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
+               return "unknown";
+       case CONNMAN_IPCONFIG_TYPE_IPV4:
+               return "IPv4";
+       case CONNMAN_IPCONFIG_TYPE_IPV6:
+               return "IPv6";
+       }
+
+       return NULL;
+}
+
 static const char *type2str(unsigned short type)
 {
        switch (type) {
@@ -288,132 +333,236 @@ static const char *scope2str(unsigned char scope)
        return "";
 }
 
-static void free_ipdevice(gpointer data)
+static gboolean get_ipv6_state(gchar *ifname)
 {
-       struct connman_ipdevice *ipdevice = data;
+       int disabled;
+       gchar *path;
+       FILE *f;
+       gboolean enabled = FALSE;
 
-       connman_info("%s {remove} index %d", ipdevice->ifname,
-                                                       ipdevice->index);
+       if (ifname == NULL)
+               path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
+       else
+               path = g_strdup_printf(
+                       "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 
-       if (ipdevice->config != NULL)
-               connman_ipconfig_unref(ipdevice->config);
+       if (path == NULL)
+               return enabled;
 
-       free_address_list(ipdevice);
-       g_free(ipdevice->gateway);
+       f = fopen(path, "r");
 
-       g_free(ipdevice->address);
-       g_free(ipdevice->ifname);
-       g_free(ipdevice);
+       g_free(path);
+
+       if (f != NULL) {
+               if (fscanf(f, "%d", &disabled) > 0)
+                       enabled = !disabled;
+               fclose(f);
+       }
+
+       return enabled;
 }
 
-static GSList *driver_list = NULL;
+static void set_ipv6_state(gchar *ifname, gboolean enable)
+{
+       gchar *path;
+       FILE *f;
+
+       if (ifname == NULL)
+               path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
+       else
+               path = g_strdup_printf(
+                       "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
+
+       if (path == NULL)
+               return;
+
+       f = fopen(path, "r+");
+
+       g_free(path);
+
+       if (f == NULL)
+               return;
+
+       if (enable == FALSE)
+               fprintf(f, "1");
+       else
+               fprintf(f, "0");
+
+       fclose(f);
+}
 
-static gint compare_priority(gconstpointer a, gconstpointer b)
+static int get_ipv6_privacy(gchar *ifname)
 {
-       const struct connman_ipconfig_driver *driver1 = a;
-       const struct connman_ipconfig_driver *driver2 = b;
+       gchar *path;
+       FILE *f;
+       int value;
+
+       if (ifname == NULL)
+               return 0;
+
+       path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
+                                                               ifname);
+
+       if (path == NULL)
+               return 0;
+
+       f = fopen(path, "r");
 
-       return driver2->priority - driver1->priority;
+       g_free(path);
+
+       if (f == NULL)
+               return 0;
+
+       if (fscanf(f, "%d", &value) <= 0)
+               value = 0;
+
+       fclose(f);
+
+       return value;
 }
 
-/**
- * connman_ipconfig_driver_register:
- * @driver: IP configuration driver
- *
- * Register a new IP configuration driver
- *
- * Returns: %0 on success
+/* Enable the IPv6 privacy extension for stateless address autoconfiguration.
+ * The privacy extension is described in RFC 3041 and RFC 4941
  */
-int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
+static void set_ipv6_privacy(gchar *ifname, int value)
 {
-       DBG("driver %p name %s", driver, driver->name);
+       gchar *path;
+       FILE *f;
 
-       driver_list = g_slist_insert_sorted(driver_list, driver,
-                                                       compare_priority);
+       if (ifname == NULL)
+               return;
 
-       return 0;
+       path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
+                                                               ifname);
+
+       if (path == NULL)
+               return;
+
+       if (value < 0)
+               value = 0;
+
+       f = fopen(path, "r+");
+
+       g_free(path);
+
+       if (f == NULL)
+               return;
+
+       fprintf(f, "%d", value);
+       fclose(f);
 }
 
-/**
- * connman_ipconfig_driver_unregister:
- * @driver: IP configuration driver
- *
- * Remove a previously registered IP configuration driver.
- */
-void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
+static int get_rp_filter()
 {
-       DBG("driver %p name %s", driver, driver->name);
+       FILE *f;
+       int value = -EINVAL, tmp;
+
+       f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
+
+       if (f != NULL) {
+               if (fscanf(f, "%d", &tmp) == 1)
+                       value = tmp;
+               fclose(f);
+       }
 
-       driver_list = g_slist_remove(driver_list, driver);
+       return value;
 }
 
-static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
+static void set_rp_filter(int value)
 {
-       GSList *list;
+       FILE *f;
 
-       DBG("ipconfig %p", ipdevice->config);
+       f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 
-       if (ipdevice->config == NULL)
+       if (f == NULL)
                return;
 
-       switch (ipdevice->config->method) {
-       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
-       case CONNMAN_IPCONFIG_METHOD_OFF:
-       case CONNMAN_IPCONFIG_METHOD_FIXED:
-       case CONNMAN_IPCONFIG_METHOD_MANUAL:
-               return;
-       case CONNMAN_IPCONFIG_METHOD_DHCP:
-               break;
-       }
+       fprintf(f, "%d", value);
 
-       if (ipdevice->driver != NULL)
-               return;
+       fclose(f);
+}
 
-       ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
-       if (ipdevice->driver_config == NULL)
-               return;
+int __connman_ipconfig_set_rp_filter()
+{
+       int value;
 
-       for (list = driver_list; list; list = list->next) {
-               struct connman_ipconfig_driver *driver = list->data;
+       value = get_rp_filter();
 
-               if (driver->request(ipdevice->driver_config) == 0) {
-                       ipdevice->driver = driver;
-                       break;
-               }
-       }
+       if (value < 0)
+               return value;
 
-       if (ipdevice->driver == NULL) {
-               connman_ipconfig_unref(ipdevice->driver_config);
-               ipdevice->driver_config = NULL;
-       }
+       set_rp_filter(2);
+
+       connman_info("rp_filter set to 2 (loose mode routing), "
+                       "old value was %d", value);
+
+       return value;
 }
 
-static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
+void __connman_ipconfig_unset_rp_filter(int old_value)
 {
-       DBG("ipconfig %p", ipdevice->config);
+       set_rp_filter(old_value);
 
-       if (ipdevice->config == NULL)
-               return;
+       connman_info("rp_filter restored to %d", old_value);
+}
 
-       if (ipdevice->driver == NULL)
-               return;
+static void free_ipdevice(gpointer data)
+{
+       struct connman_ipdevice *ipdevice = data;
+
+       connman_info("%s {remove} index %d", ipdevice->ifname,
+                                                       ipdevice->index);
+
+       if (ipdevice->config_ipv4 != NULL) {
+               connman_ipconfig_unref(ipdevice->config_ipv4);
+               ipdevice->config_ipv4 = NULL;
+       }
+
+       if (ipdevice->config_ipv6 != NULL) {
+               connman_ipconfig_unref(ipdevice->config_ipv6);
+               ipdevice->config_ipv6 = NULL;
+       }
+
+       free_address_list(ipdevice);
+       g_free(ipdevice->ipv4_gateway);
+       g_free(ipdevice->ipv6_gateway);
+       g_free(ipdevice->pac);
+
+       g_free(ipdevice->address);
+
+       set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
+       set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
+
+       g_free(ipdevice->ifname);
+       g_free(ipdevice);
+}
 
-       ipdevice->driver->release(ipdevice->driver_config);
+static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
+{
+       DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
+                                       ipdevice->config_ipv6);
+}
 
-       ipdevice->driver = NULL;
+static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
+{
+       DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
+                                       ipdevice->config_ipv6);
 
-       connman_ipconfig_unref(ipdevice->driver_config);
-       ipdevice->driver_config = NULL;
+       if (ipdevice->config_ipv4)
+               connman_inet_clear_address(ipdevice->index,
+                                       ipdevice->config_ipv4->address);
 
-       connman_inet_clear_address(ipdevice->index);
-       connman_inet_clear_ipv6_address(ipdevice->index,
-                       ipdevice->driver_config->address->local,
-                       ipdevice->driver_config->address->prefixlen);
+       if (ipdevice->config_ipv6)
+               connman_inet_clear_ipv6_address(ipdevice->index,
+                               ipdevice->config_ipv6->address->local,
+                               ipdevice->config_ipv6->address->prefixlen);
 }
 
 static void update_stats(struct connman_ipdevice *ipdevice,
                                                struct rtnl_link_stats *stats)
 {
+       struct connman_service *service;
+
        if (stats->rx_packets == 0 && stats->tx_packets == 0)
                return;
 
@@ -422,7 +571,17 @@ static void update_stats(struct connman_ipdevice *ipdevice,
        connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
                                        stats->tx_packets, stats->tx_bytes);
 
-       if (ipdevice->config == NULL)
+       if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
+               return;
+
+       if (ipdevice->config_ipv4)
+               service = connman_ipconfig_get_data(ipdevice->config_ipv4);
+       else if (ipdevice->config_ipv6)
+               service = connman_ipconfig_get_data(ipdevice->config_ipv6);
+       else
+               return;
+
+       if (service == NULL)
                return;
 
        ipdevice->rx_packets = stats->rx_packets;
@@ -434,7 +593,7 @@ static void update_stats(struct connman_ipdevice *ipdevice,
        ipdevice->rx_dropped = stats->rx_dropped;
        ipdevice->tx_dropped = stats->tx_dropped;
 
-       __connman_counter_notify(ipdevice->config,
+       __connman_service_notify(service,
                                ipdevice->rx_packets, ipdevice->tx_packets,
                                ipdevice->rx_bytes, ipdevice->tx_bytes,
                                ipdevice->rx_errors, ipdevice->tx_errors,
@@ -469,6 +628,9 @@ void __connman_ipconfig_newlink(int index, unsigned short type,
        ipdevice->ifname = connman_inet_ifname(index);
        ipdevice->type = type;
 
+       ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
+       ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
+
        ipdevice->address = g_strdup(address);
 
        g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
@@ -543,6 +705,13 @@ update:
                        ipconfig->ops->down(ipconfig);
        }
 
+#if defined TIZEN_EXT
+       if (g_strcmp0(ipdevice->address, address) != 0) {
+               g_free(ipdevice->address);
+               ipdevice->address = g_strdup(address);
+       }
+#endif
+
        if (lower_up)
                __connman_ipconfig_lower_up(ipdevice);
        if (lower_down)
@@ -585,11 +754,23 @@ void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
        g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 }
 
+static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
+{
+       const struct connman_ipaddress *addr1 = a;
+       const struct connman_ipaddress *addr2 = b;
+
+       if (addr1->prefixlen != addr2->prefixlen)
+               return addr2->prefixlen - addr1->prefixlen;
+
+       return g_strcmp0(addr1->local, addr2->local);
+}
+
 void __connman_ipconfig_newaddr(int index, int family, const char *label,
                                unsigned char prefixlen, const char *address)
 {
        struct connman_ipdevice *ipdevice;
        struct connman_ipaddress *ipaddress;
+       enum connman_ipconfig_type type;
        GList *list;
 
        DBG("index %d", index);
@@ -605,25 +786,36 @@ void __connman_ipconfig_newaddr(int index, int family, const char *label,
        ipaddress->prefixlen = prefixlen;
        ipaddress->local = g_strdup(address);
 
+       if (g_slist_find_custom(ipdevice->address_list, ipaddress,
+                                       check_duplicate_address)) {
+               connman_ipaddress_free(ipaddress);
+               return;
+       }
+
+       if (family == AF_INET)
+               type = CONNMAN_IPCONFIG_TYPE_IPV4;
+       else if (family == AF_INET6)
+               type = CONNMAN_IPCONFIG_TYPE_IPV6;
+       else
+               return;
+
        ipdevice->address_list = g_slist_append(ipdevice->address_list,
                                                                ipaddress);
 
-       connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
-                                               address, prefixlen, label);
+       connman_info("%s {add} address %s/%u label %s family %d",
+               ipdevice->ifname, address, prefixlen, label, family);
 
-       if (ipdevice->config != NULL) {
-               if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
-                       connman_ipaddress_copy(ipdevice->config->ipv6->system,
-                                                       ipaddress);
-               else
-                       connman_ipaddress_copy(ipdevice->config->system,
-                                                       ipaddress);
-       }
+       if (ipdevice->config_ipv4 != NULL && family == AF_INET)
+               connman_ipaddress_copy(ipdevice->config_ipv4->system,
+                                       ipaddress);
 
-       if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
+       else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
+               connman_ipaddress_copy(ipdevice->config_ipv6->system,
+                                       ipaddress);
+       else
                return;
 
-       if (g_slist_length(ipdevice->address_list) > 1)
+       if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
                return;
 
        for (list = g_list_first(ipconfig_list); list;
@@ -633,6 +825,9 @@ void __connman_ipconfig_newaddr(int index, int family, const char *label,
                if (index != ipconfig->index)
                        continue;
 
+               if (type != ipconfig->type)
+                       continue;
+
                if (ipconfig->ops == NULL)
                        continue;
 
@@ -646,6 +841,7 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
 {
        struct connman_ipdevice *ipdevice;
        struct connman_ipaddress *ipaddress;
+       enum connman_ipconfig_type type;
        GList *list;
 
        DBG("index %d", index);
@@ -658,10 +854,18 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
        if (ipaddress == NULL)
                return;
 
+       if (family == AF_INET)
+               type = CONNMAN_IPCONFIG_TYPE_IPV4;
+       else if (family == AF_INET6)
+               type = CONNMAN_IPCONFIG_TYPE_IPV6;
+       else
+               return;
+
        ipdevice->address_list = g_slist_remove(ipdevice->address_list,
                                                                ipaddress);
 
-       connman_ipaddress_free(ipaddress);
+       connman_ipaddress_clear(ipaddress);
+       g_free(ipaddress);
 
        connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
                                                address, prefixlen, label);
@@ -679,6 +883,9 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
                if (index != ipconfig->index)
                        continue;
 
+               if (type != ipconfig->type)
+                       continue;
+
                if (ipconfig->ops == NULL)
                        continue;
 
@@ -687,7 +894,7 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
        }
 }
 
-void __connman_ipconfig_newroute(int index, unsigned char scope,
+void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
                                        const char *dst, const char *gateway)
 {
        struct connman_ipdevice *ipdevice;
@@ -698,17 +905,36 @@ void __connman_ipconfig_newroute(int index, unsigned char scope,
        if (ipdevice == NULL)
                return;
 
-       if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
+       if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
+                                               g_strcmp0(dst, "::") == 0)) {
                GSList *list;
-
-               g_free(ipdevice->gateway);
-               ipdevice->gateway = g_strdup(gateway);
-
-               if (ipdevice->config != NULL &&
-                                       ipdevice->config->system != NULL) {
-                       g_free(ipdevice->config->system->gateway);
-                       ipdevice->config->system->gateway = g_strdup(gateway);
-               }
+               GList *config_list;
+               enum connman_ipconfig_type type;
+
+               if (family == AF_INET6) {
+                       type = CONNMAN_IPCONFIG_TYPE_IPV6;
+                       g_free(ipdevice->ipv6_gateway);
+                       ipdevice->ipv6_gateway = g_strdup(gateway);
+
+                       if (ipdevice->config_ipv6 != NULL &&
+                               ipdevice->config_ipv6->system != NULL) {
+                               g_free(ipdevice->config_ipv6->system->gateway);
+                               ipdevice->config_ipv6->system->gateway =
+                                       g_strdup(gateway);
+                       }
+               } else if (family == AF_INET) {
+                       type = CONNMAN_IPCONFIG_TYPE_IPV4;
+                       g_free(ipdevice->ipv4_gateway);
+                       ipdevice->ipv4_gateway = g_strdup(gateway);
+
+                       if (ipdevice->config_ipv4 != NULL &&
+                               ipdevice->config_ipv4->system != NULL) {
+                               g_free(ipdevice->config_ipv4->system->gateway);
+                               ipdevice->config_ipv4->system->gateway =
+                                       g_strdup(gateway);
+                       }
+               } else
+                       return;
 
                for (list = ipdevice->address_list; list; list = list->next) {
                        struct connman_ipaddress *ipaddress = list->data;
@@ -716,6 +942,23 @@ void __connman_ipconfig_newroute(int index, unsigned char scope,
                        g_free(ipaddress->gateway);
                        ipaddress->gateway = g_strdup(gateway);
                }
+
+               for (config_list = g_list_first(ipconfig_list); config_list;
+                                       config_list = g_list_next(config_list)) {
+                       struct connman_ipconfig *ipconfig = config_list->data;
+
+                       if (index != ipconfig->index)
+                               continue;
+
+                       if (type != ipconfig->type)
+                               continue;
+
+                       if (ipconfig->ops == NULL)
+                               continue;
+
+                       if (ipconfig->ops->ip_bound)
+                               ipconfig->ops->ip_bound(ipconfig);
+               }
        }
 
        connman_info("%s {add} route %s gw %s scope %u <%s>",
@@ -723,7 +966,7 @@ void __connman_ipconfig_newroute(int index, unsigned char scope,
                                                scope, scope2str(scope));
 }
 
-void __connman_ipconfig_delroute(int index, unsigned char scope,
+void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
                                        const char *dst, const char *gateway)
 {
        struct connman_ipdevice *ipdevice;
@@ -734,17 +977,34 @@ void __connman_ipconfig_delroute(int index, unsigned char scope,
        if (ipdevice == NULL)
                return;
 
-       if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
+       if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
+                                               g_strcmp0(dst, "::") == 0)) {
                GSList *list;
-
-               g_free(ipdevice->gateway);
-               ipdevice->gateway = NULL;
-
-               if (ipdevice->config != NULL &&
-                                       ipdevice->config->system != NULL) {
-                       g_free(ipdevice->config->system->gateway);
-                       ipdevice->config->system->gateway = NULL;
-               }
+               GList *config_list;
+               enum connman_ipconfig_type type;
+
+               if (family == AF_INET6) {
+                       type = CONNMAN_IPCONFIG_TYPE_IPV6;
+                       g_free(ipdevice->ipv6_gateway);
+                       ipdevice->ipv6_gateway = NULL;
+
+                       if (ipdevice->config_ipv6 != NULL &&
+                               ipdevice->config_ipv6->system != NULL) {
+                               g_free(ipdevice->config_ipv6->system->gateway);
+                               ipdevice->config_ipv6->system->gateway = NULL;
+                       }
+               } else if (family == AF_INET) {
+                       type = CONNMAN_IPCONFIG_TYPE_IPV4;
+                       g_free(ipdevice->ipv4_gateway);
+                       ipdevice->ipv4_gateway = NULL;
+
+                       if (ipdevice->config_ipv4 != NULL &&
+                               ipdevice->config_ipv4->system != NULL) {
+                               g_free(ipdevice->config_ipv4->system->gateway);
+                               ipdevice->config_ipv4->system->gateway = NULL;
+                       }
+               } else
+                       return;
 
                for (list = ipdevice->address_list; list; list = list->next) {
                        struct connman_ipaddress *ipaddress = list->data;
@@ -752,6 +1012,23 @@ void __connman_ipconfig_delroute(int index, unsigned char scope,
                        g_free(ipaddress->gateway);
                        ipaddress->gateway = NULL;
                }
+
+               for (config_list = g_list_first(ipconfig_list); config_list;
+                                       config_list = g_list_next(config_list)) {
+                       struct connman_ipconfig *ipconfig = config_list->data;
+
+                       if (index != ipconfig->index)
+                               continue;
+
+                       if (type != ipconfig->type)
+                               continue;
+
+                       if (ipconfig->ops == NULL)
+                               continue;
+
+                       if (ipconfig->ops->ip_release)
+                               ipconfig->ops->ip_release(ipconfig);
+               }
        }
 
        connman_info("%s {del} route %s gw %s scope %u <%s>",
@@ -777,7 +1054,13 @@ void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
        g_list_free(keys);
 }
 
-unsigned short __connman_ipconfig_get_type(int index)
+enum connman_ipconfig_type __connman_ipconfig_get_config_type(
+                                       struct connman_ipconfig *ipconfig)
+{
+       return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
+}
+
+unsigned short __connman_ipconfig_get_type_from_index(int index)
 {
        struct connman_ipdevice *ipdevice;
 
@@ -788,7 +1071,7 @@ unsigned short __connman_ipconfig_get_type(int index)
        return ipdevice->type;
 }
 
-unsigned int __connman_ipconfig_get_flags(int index)
+unsigned int __connman_ipconfig_get_flags_from_index(int index)
 {
        struct connman_ipdevice *ipdevice;
 
@@ -799,7 +1082,7 @@ unsigned int __connman_ipconfig_get_flags(int index)
        return ipdevice->flags;
 }
 
-const char *__connman_ipconfig_get_gateway(int index)
+const char *__connman_ipconfig_get_gateway_from_index(int index)
 {
        struct connman_ipdevice *ipdevice;
 
@@ -807,12 +1090,19 @@ const char *__connman_ipconfig_get_gateway(int index)
        if (ipdevice == NULL)
                return NULL;
 
-       if (ipdevice->gateway != NULL)
-               return ipdevice->gateway;
+       if (ipdevice->ipv4_gateway != NULL)
+               return ipdevice->ipv4_gateway;
+
+       if (ipdevice->config_ipv4 != NULL &&
+                       ipdevice->config_ipv4->address != NULL)
+               return ipdevice->config_ipv4->address->gateway;
+
+       if (ipdevice->ipv6_gateway != NULL)
+               return ipdevice->ipv6_gateway;
 
-       if (ipdevice->config != NULL &&
-                       ipdevice->config->address != NULL)
-               return ipdevice->config->address->gateway;
+       if (ipdevice->config_ipv6 != NULL &&
+                       ipdevice->config_ipv6->address != NULL)
+               return ipdevice->config_ipv6->address->gateway;
 
        return NULL;
 }
@@ -820,102 +1110,213 @@ const char *__connman_ipconfig_get_gateway(int index)
 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 {
        ipconfig->index = index;
-
-       if (ipconfig->ipv6 != NULL)
-               ipconfig->ipv6->index = index;
 }
 
-static struct connman_ipconfig *create_ipv6config(int index)
+const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 {
-       struct connman_ipconfig *ipv6config;
-
-       DBG("index %d", index);
-
-       ipv6config = g_try_new0(struct connman_ipconfig, 1);
-       if (ipv6config == NULL)
+       if (ipconfig->address == NULL)
                return NULL;
 
-       ipv6config->index = index;
-       ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
-
-       ipv6config->address = connman_ipaddress_alloc(AF_INET6);
-       if (ipv6config->address == NULL) {
-               g_free(ipv6config);
-               return NULL;
-       }
+       return ipconfig->address->local;
+}
 
-       ipv6config->system = connman_ipaddress_alloc(AF_INET6);
+void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
+{
+       if (ipconfig->address == NULL)
+               return;
 
-       ipv6config->ipv6 = NULL;
+       g_free(ipconfig->address->local);
+       ipconfig->address->local = g_strdup(address);
+}
 
-       DBG("ipconfig %p", ipv6config);
+const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig->address == NULL)
+               return NULL;
 
-       return ipv6config;
+       return ipconfig->address->peer;
 }
 
-/**
- * connman_ipconfig_create:
- *
- * Allocate a new ipconfig structure.
- *
- * Returns: a newly-allocated #connman_ipconfig structure
- */
-struct connman_ipconfig *connman_ipconfig_create(int index)
+void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
 {
-       struct connman_ipconfig *ipconfig;
+       if (ipconfig->address == NULL)
+               return;
 
-       DBG("index %d", index);
+       g_free(ipconfig->address->peer);
+       ipconfig->address->peer = g_strdup(address);
+}
 
-       ipconfig = g_try_new0(struct connman_ipconfig, 1);
-       if (ipconfig == NULL)
+const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig->address == NULL)
                return NULL;
 
-       ipconfig->refcount = 1;
+       return ipconfig->address->broadcast;
+}
 
-       ipconfig->index = index;
-       ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
+void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
+{
+       if (ipconfig->address == NULL)
+               return;
 
-       ipconfig->address = connman_ipaddress_alloc(AF_INET);
-       if (ipconfig->address == NULL) {
-               g_free(ipconfig);
-               return NULL;
-       }
+       g_free(ipconfig->address->broadcast);
+       ipconfig->address->broadcast = g_strdup(broadcast);
+}
 
-       ipconfig->system = connman_ipaddress_alloc(AF_INET);
+const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig->address == NULL)
+               return NULL;
 
-       ipconfig->ipv6 = create_ipv6config(index);
+       return ipconfig->address->gateway;
+}
 
-       DBG("ipconfig %p", ipconfig);
+void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
+{
+       DBG("");
 
-       return ipconfig;
+       if (ipconfig->address == NULL)
+               return;
+       g_free(ipconfig->address->gateway);
+       ipconfig->address->gateway = g_strdup(gateway);
+}
+
+#if defined TIZEN_EXT
+/*
+ * Description: __connman_service_lookup_from_index cannot find correct service
+ */
+int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig, struct connman_service *service)
+#else
+int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
+#endif
+{
+#if !defined TIZEN_EXT
+       struct connman_service *service;
+#endif
+
+       DBG("");
+
+       if (ipconfig->address == NULL)
+               return -EINVAL;
+
+#if !defined TIZEN_EXT
+       service = __connman_service_lookup_from_index(ipconfig->index);
+#endif
+       if (service == NULL)
+               return -EINVAL;
+
+       __connman_connection_gateway_remove(service, ipconfig->type);
+
+       DBG("type %d gw %s peer %s", ipconfig->type,
+               ipconfig->address->gateway, ipconfig->address->peer);
+
+       if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
+                               ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
+               return __connman_connection_gateway_add(service,
+                                               ipconfig->address->gateway,
+                                               ipconfig->type,
+                                               ipconfig->address->peer);
+
+       return 0;
+}
+
+void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
+{
+       struct connman_service *service;
+
+       DBG("");
+
+       service = __connman_service_lookup_from_index(ipconfig->index);
+       if (service != NULL)
+               __connman_connection_gateway_remove(service, ipconfig->type);
+}
+
+unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig->address == NULL)
+               return 0;
+
+       return ipconfig->address->prefixlen;
+}
+
+void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
+{
+       if (ipconfig->address == NULL)
+               return;
+
+       ipconfig->address->prefixlen = prefixlen;
+}
+
+static struct connman_ipconfig *create_ipv6config(int index)
+{
+       struct connman_ipconfig *ipv6config;
+
+       DBG("index %d", index);
+
+       ipv6config = g_try_new0(struct connman_ipconfig, 1);
+       if (ipv6config == NULL)
+               return NULL;
+
+       ipv6config->refcount = 1;
+
+       ipv6config->index = index;
+       ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
+       ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
+       ipv6config->ipv6_privacy_config = 0;
+
+       ipv6config->address = connman_ipaddress_alloc(AF_INET6);
+       if (ipv6config->address == NULL) {
+               g_free(ipv6config);
+               return NULL;
+       }
+
+       ipv6config->system = connman_ipaddress_alloc(AF_INET6);
+
+       DBG("ipconfig %p", ipv6config);
+
+       return ipv6config;
 }
 
 /**
- * connman_ipconfig_clone:
+ * connman_ipconfig_create:
  *
- * Clone an ipconfig structure and create new reference.
+ * Allocate a new ipconfig structure.
  *
  * Returns: a newly-allocated #connman_ipconfig structure
  */
-struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
+struct connman_ipconfig *connman_ipconfig_create(int index,
+                                       enum connman_ipconfig_type type)
 {
-       struct connman_ipconfig *ipconfig_clone;
+       struct connman_ipconfig *ipconfig;
 
-       DBG("ipconfig %p", ipconfig);
+       if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
+               return create_ipv6config(index);
 
-       ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
-       if (ipconfig_clone == NULL)
+       DBG("index %d", index);
+
+       ipconfig = g_try_new0(struct connman_ipconfig, 1);
+       if (ipconfig == NULL)
                return NULL;
 
-       ipconfig_clone->refcount = 1;
+       ipconfig->refcount = 1;
 
-       ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
+       ipconfig->index = index;
+       ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
+
+       ipconfig->address = connman_ipaddress_alloc(AF_INET);
+       if (ipconfig->address == NULL) {
+               g_free(ipconfig);
+               return NULL;
+       }
 
-       ipconfig_clone->index = -1;
+       ipconfig->system = connman_ipaddress_alloc(AF_INET);
+
+       DBG("ipconfig %p", ipconfig);
 
-       return ipconfig_clone;
+       return ipconfig;
 }
 
+
 /**
  * connman_ipconfig_ref:
  * @ipconfig: ipconfig structure
@@ -924,20 +1325,11 @@ struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfi
  */
 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 {
-       g_atomic_int_inc(&ipconfig->refcount);
+       DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount + 1);
 
-       return ipconfig;
-}
+       __sync_fetch_and_add(&ipconfig->refcount, 1);
 
-static void  free_ipv6config(struct connman_ipconfig *ipconfig)
-{
-       if (ipconfig == NULL)
-               return;
-
-       connman_ipconfig_set_ops(ipconfig, NULL);
-       connman_ipaddress_free(ipconfig->system);
-       connman_ipaddress_free(ipconfig->address);
-       g_free(ipconfig->ipv6);
+       return ipconfig;
 }
 
 /**
@@ -948,21 +1340,28 @@ static void  free_ipv6config(struct connman_ipconfig *ipconfig)
  */
 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 {
-       if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
-               __connman_ipconfig_disable(ipconfig);
+       if (ipconfig == NULL)
+               return;
 
-               connman_ipconfig_set_ops(ipconfig, NULL);
+       DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount - 1);
 
-               if (ipconfig->origin != NULL) {
-                       connman_ipconfig_unref(ipconfig->origin);
-                       ipconfig->origin = NULL;
-               }
+       if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
+               return;
 
-               connman_ipaddress_free(ipconfig->system);
-               connman_ipaddress_free(ipconfig->address);
-               free_ipv6config(ipconfig->ipv6);
-               g_free(ipconfig);
+       if (__connman_ipconfig_disable(ipconfig) < 0)
+               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+
+       connman_ipconfig_set_ops(ipconfig, NULL);
+
+       if (ipconfig->origin != NULL) {
+               connman_ipconfig_unref(ipconfig->origin);
+               ipconfig->origin = NULL;
        }
+
+       connman_ipaddress_free(ipconfig->system);
+       connman_ipaddress_free(ipconfig->address);
+       g_free(ipconfig->last_dhcp_address);
+       g_free(ipconfig);
 }
 
 /**
@@ -973,6 +1372,9 @@ void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
  */
 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 {
+       if (ipconfig == NULL)
+               return NULL;
+
        return ipconfig->ops_data;
 }
 
@@ -1042,15 +1444,6 @@ void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
        ipconfig->ops = ops;
 }
 
-struct connman_ipconfig *connman_ipconfig_get_ipv6config(
-                               struct connman_ipconfig *ipconfig)
-{
-       if (ipconfig == NULL)
-               return NULL;
-
-       return ipconfig->ipv6;
-}
-
 /**
  * connman_ipconfig_set_method:
  * @ipconfig: ipconfig structure
@@ -1074,66 +1467,17 @@ enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconf
        return ipconfig->method;
 }
 
-/**
- * connman_ipconfig_bind:
- * @ipconfig: ipconfig structure
- * @ipaddress: ipaddress structure
- *
- * Bind IP address details to configuration
- */
-void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
-                                       struct connman_ipaddress *ipaddress)
-{
-       struct connman_ipconfig *origin;
-
-       origin = ipconfig->origin ? ipconfig->origin : ipconfig;
-
-       connman_ipaddress_copy(origin->address, ipaddress);
-
-       connman_inet_set_address(origin->index, origin->address);
-}
-
-void __connman_ipconfig_set_element_ipv6_gateway(
-                       struct connman_ipconfig *ipconfig,
-                               struct connman_element *element)
-{
-       element->ipv6.gateway = ipconfig->ipv6->address->gateway;
-}
-
-/*
- * FIXME: The element soulution should be removed in the future
- * Set IPv4 and IPv6 gateway
- */
-int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
-                                               struct connman_element *parent)
-{
-       struct connman_element *connection;
-
-       connection = connman_element_create(NULL);
-
-       DBG("ipconfig %p", ipconfig);
-
-       connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
-       connection->index = ipconfig->index;
-       connection->ipv4.gateway = ipconfig->address->gateway;
-       connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
-
-       if (connman_element_register(connection, parent) < 0)
-               connman_element_unref(connection);
-
-       return 0;
-}
-
-int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
+int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
 {
        DBG("");
 
        switch (ipconfig->method) {
        case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
        case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               break;
        case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_DHCP:
-               break;
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
                        return connman_inet_set_address(ipconfig->index,
@@ -1146,8 +1490,10 @@ int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
        return 0;
 }
 
-int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
+int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
 {
+       int err;
+
        DBG("");
 
        if (ipconfig == NULL)
@@ -1158,27 +1504,166 @@ int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
        switch (ipconfig->method) {
        case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
        case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               break;
        case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_DHCP:
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+               err = __connman_ipconfig_address_unset(ipconfig);
+               connman_ipaddress_clear(ipconfig->address);
+
+               return err;
+       }
+
+       return 0;
+}
+
+int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
+{
+       int err;
+
+       DBG("");
+
+       if (ipconfig == NULL)
+               return 0;
+
+       DBG("method %d", ipconfig->method);
+
+       switch (ipconfig->method) {
+       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
                break;
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
-                       return connman_inet_clear_address(ipconfig->index);
+                       err = connman_inet_clear_address(ipconfig->index,
+                                                       ipconfig->address);
                else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
-                       return connman_inet_clear_ipv6_address(
+                       err = connman_inet_clear_ipv6_address(
                                                ipconfig->index,
                                                ipconfig->address->local,
                                                ipconfig->address->prefixlen);
+               else
+                       err = -EINVAL;
+
+               return err;
        }
 
        return 0;
 }
 
+int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
+                                                        const char *url)
+{
+       struct connman_ipdevice *ipdevice;
+
+       DBG("ipconfig %p", ipconfig);
+
+       if (ipconfig == NULL || ipconfig->index < 0)
+               return -ENODEV;
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash,
+                                       GINT_TO_POINTER(ipconfig->index));
+       if (ipdevice == NULL)
+               return -ENXIO;
+
+       g_free(ipdevice->pac);
+       ipdevice->pac = g_strdup(url);
+
+       return 0;
+}
+
+const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
+{
+       struct connman_ipdevice *ipdevice;
+
+       DBG("ipconfig %p", ipconfig);
+
+       if (ipconfig == NULL || ipconfig->index < 0)
+               return NULL;
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash,
+                                       GINT_TO_POINTER(ipconfig->index));
+       if (ipdevice == NULL)
+               return NULL;
+
+       return ipdevice->pac;
+}
+
+void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
+                                       const char *address)
+{
+       if (ipconfig == NULL)
+               return;
+
+       g_free(ipconfig->last_dhcp_address);
+       ipconfig->last_dhcp_address = g_strdup(address);
+}
+
+char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig == NULL)
+               return NULL;
+
+       return ipconfig->last_dhcp_address;
+}
+
+static void disable_ipv6(struct connman_ipconfig *ipconfig)
+{
+       struct connman_ipdevice *ipdevice;
+
+       DBG("");
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash,
+                                       GINT_TO_POINTER(ipconfig->index));
+       if (ipdevice == NULL)
+               return;
+
+       set_ipv6_state(ipdevice->ifname, FALSE);
+}
+
+static void enable_ipv6(struct connman_ipconfig *ipconfig)
+{
+       struct connman_ipdevice *ipdevice;
+
+       DBG("");
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash,
+                                       GINT_TO_POINTER(ipconfig->index));
+       if (ipdevice == NULL)
+               return;
+
+       if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
+               set_ipv6_privacy(ipdevice->ifname,
+                               ipconfig->ipv6_privacy_config);
+
+       set_ipv6_state(ipdevice->ifname, TRUE);
+}
+
+void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+               return;
+
+       enable_ipv6(ipconfig);
+}
+
+void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+               return;
+
+       disable_ipv6(ipconfig);
+}
+
 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
 {
        struct connman_ipdevice *ipdevice;
        gboolean up = FALSE, down = FALSE;
        gboolean lower_up = FALSE, lower_down = FALSE;
+       enum connman_ipconfig_type type;
 
        DBG("ipconfig %p", ipconfig);
 
@@ -1190,18 +1675,42 @@ int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
        if (ipdevice == NULL)
                return -ENXIO;
 
-       if (ipdevice->config == ipconfig)
-               return -EALREADY;
+       if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
+               if (ipdevice->config_ipv4 == ipconfig)
+                       return -EALREADY;
+               type = CONNMAN_IPCONFIG_TYPE_IPV4;
+       } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
+               if (ipdevice->config_ipv6 == ipconfig)
+                       return -EALREADY;
+               type = CONNMAN_IPCONFIG_TYPE_IPV6;
+               enable_ipv6(ipconfig);
+       } else
+               return -EINVAL;
+
+       if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
+                                       ipdevice->config_ipv4 != NULL) {
+               ipconfig_list = g_list_remove(ipconfig_list,
+                                                       ipdevice->config_ipv4);
 
-       if (ipdevice->config != NULL) {
-               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+               connman_ipaddress_clear(ipdevice->config_ipv4->system);
+
+               connman_ipconfig_unref(ipdevice->config_ipv4);
+       }
+
+       if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
+                                       ipdevice->config_ipv6 != NULL) {
+               ipconfig_list = g_list_remove(ipconfig_list,
+                                                       ipdevice->config_ipv6);
 
-               connman_ipaddress_clear(ipdevice->config->system);
+               connman_ipaddress_clear(ipdevice->config_ipv6->system);
 
-               connman_ipconfig_unref(ipdevice->config);
+               connman_ipconfig_unref(ipdevice->config_ipv6);
        }
 
-       ipdevice->config = connman_ipconfig_ref(ipconfig);
+       if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
+               ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
+       else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
+               ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
 
        ipconfig_list = g_list_append(ipconfig_list, ipconfig);
 
@@ -1243,18 +1752,32 @@ int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
        if (ipdevice == NULL)
                return -ENXIO;
 
-       if (ipdevice->config == NULL || ipdevice->config != ipconfig)
+       if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
                return -EINVAL;
 
-       ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+       if (ipdevice->config_ipv4 == ipconfig) {
+               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
 
-       connman_ipaddress_clear(ipdevice->config->system);
-       connman_ipaddress_clear(ipdevice->config->ipv6->system);
+               connman_ipaddress_clear(ipdevice->config_ipv4->system);
+               connman_ipconfig_unref(ipdevice->config_ipv4);
+               ipdevice->config_ipv4 = NULL;
+               return 0;
+       }
 
-       connman_ipconfig_unref(ipdevice->config);
-       ipdevice->config = NULL;
+       if (ipdevice->config_ipv6 == ipconfig) {
+               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
 
-       return 0;
+               if (ipdevice->config_ipv6->method ==
+                                               CONNMAN_IPCONFIG_METHOD_AUTO)
+                       disable_ipv6(ipdevice->config_ipv6);
+
+               connman_ipaddress_clear(ipdevice->config_ipv6->system);
+               connman_ipconfig_unref(ipdevice->config_ipv6);
+               ipdevice->config_ipv6 = NULL;
+               return 0;
+       }
+
+       return -EINVAL;
 }
 
 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
@@ -1270,6 +1793,8 @@ const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method
                return "manual";
        case CONNMAN_IPCONFIG_METHOD_DHCP:
                return "dhcp";
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               return "auto";
        }
 
        return NULL;
@@ -1285,10 +1810,36 @@ enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method
                return CONNMAN_IPCONFIG_METHOD_MANUAL;
        else if (g_strcmp0(method, "dhcp") == 0)
                return CONNMAN_IPCONFIG_METHOD_DHCP;
+       else if (g_strcmp0(method, "auto") == 0)
+               return CONNMAN_IPCONFIG_METHOD_AUTO;
        else
                return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 }
 
+static const char *privacy2string(int privacy)
+{
+       if (privacy <= 0)
+               return "disabled";
+       else if (privacy == 1)
+               return "enabled";
+       else if (privacy > 1)
+               return "prefered";
+
+       return "disabled";
+}
+
+static int string2privacy(const char *privacy)
+{
+       if (g_strcmp0(privacy, "disabled") == 0)
+               return 0;
+       else if (g_strcmp0(privacy, "enabled") == 0)
+               return 1;
+       else if (g_strcmp0(privacy, "prefered") == 0)
+               return 2;
+       else
+               return 0;
+}
+
 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
                                                        DBusMessageIter *iter)
 {
@@ -1296,6 +1847,9 @@ void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
 
        DBG("");
 
+       if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
+               return;
+
        str = __connman_ipconfig_method2string(ipconfig->method);
        if (str == NULL)
                return;
@@ -1326,16 +1880,26 @@ void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
 }
 
 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
-                                                       DBusMessageIter *iter)
+                                       DBusMessageIter *iter,
+                                       struct connman_ipconfig *ipconfig_ipv4)
 {
-       const char *str;
+       const char *str, *privacy;
 
        DBG("");
 
+       if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+               return;
+
        str = __connman_ipconfig_method2string(ipconfig->method);
        if (str == NULL)
                return;
 
+       if (ipconfig_ipv4 != NULL &&
+                       ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
+               if (__connman_6to4_check(ipconfig_ipv4) == 1)
+                       str = "6to4";
+       }
+
        connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
 
        if (ipconfig->system == NULL)
@@ -1352,12 +1916,16 @@ void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
        if (ipconfig->system->gateway != NULL)
                connman_dbus_dict_append_basic(iter, "Gateway",
                                DBUS_TYPE_STRING, &ipconfig->system->gateway);
+
+       privacy = privacy2string(ipconfig->ipv6_privacy_config);
+       connman_dbus_dict_append_basic(iter, "Privacy",
+                               DBUS_TYPE_STRING, &privacy);
 }
 
 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
                                                        DBusMessageIter *iter)
 {
-       const char *str;
+       const char *str, *privacy;
 
        DBG("");
 
@@ -1374,6 +1942,7 @@ void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
                return;
        case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
                break;
        }
 
@@ -1391,6 +1960,10 @@ void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
        if (ipconfig->address->gateway != NULL)
                connman_dbus_dict_append_basic(iter, "Gateway",
                                DBUS_TYPE_STRING, &ipconfig->address->gateway);
+
+       privacy = privacy2string(ipconfig->ipv6_privacy_config);
+       connman_dbus_dict_append_basic(iter, "Privacy",
+                               DBUS_TYPE_STRING, &privacy);
 }
 
 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
@@ -1409,9 +1982,10 @@ void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
        switch (ipconfig->method) {
        case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
        case CONNMAN_IPCONFIG_METHOD_OFF:
-       case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_DHCP:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
                return;
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                break;
        }
@@ -1440,19 +2014,15 @@ void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
 }
 
 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
-               enum connman_ipconfig_type type, DBusMessageIter *array)
+                                                       DBusMessageIter *array)
 {
        enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
        const char *address = NULL, *netmask = NULL, *gateway = NULL,
-                       *prefix_length_string = NULL;
-       int prefix_length = 0;
+               *prefix_length_string = NULL, *privacy_string = NULL;
+       int prefix_length = 0, privacy = 0;
        DBusMessageIter dict;
 
-       DBG("ipconfig %p type %d", ipconfig, type);
-
-       if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
-                       type != CONNMAN_IPCONFIG_TYPE_IPV6)
-               return -EINVAL;
+       DBG("ipconfig %p", ipconfig);
 
        if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
                return -EINVAL;
@@ -1508,37 +2078,60 @@ int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
                                return -EINVAL;
 
                        dbus_message_iter_get_basic(&entry, &gateway);
+               } else if (g_str_equal(key, "Privacy") == TRUE) {
+                       if (type != DBUS_TYPE_STRING)
+                               return -EINVAL;
+
+                       dbus_message_iter_get_basic(&entry, &privacy_string);
+                       privacy = string2privacy(privacy_string);
                }
                dbus_message_iter_next(&dict);
        }
 
-       DBG("method %d address %s netmask %s gateway %s prefix_length %d",
-                       method, address, netmask, gateway, prefix_length);
+       DBG("method %d address %s netmask %s gateway %s prefix_length %d "
+               "privacy %s",
+               method, address, netmask, gateway, prefix_length,
+               privacy_string);
 
        switch (method) {
        case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
-       case CONNMAN_IPCONFIG_METHOD_OFF:
        case CONNMAN_IPCONFIG_METHOD_FIXED:
                return -EINVAL;
 
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+               ipconfig->method = method;
+               if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+                       disable_ipv6(ipconfig);
+               break;
+
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+                       return -EINVAL;
+
+               ipconfig->method = method;
+               if (privacy_string != NULL)
+                       ipconfig->ipv6_privacy_config = privacy;
+               enable_ipv6(ipconfig);
+               break;
+
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                if (address == NULL)
                        return -EINVAL;
 
                ipconfig->method = method;
 
-               if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
+               if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
                        connman_ipaddress_set_ipv4(ipconfig->address,
                                                address, netmask, gateway);
                else
                        return connman_ipaddress_set_ipv6(
                                        ipconfig->address, address,
-                                               gateway, prefix_length);
+                                               prefix_length, gateway);
                break;
 
        case CONNMAN_IPCONFIG_METHOD_DHCP:
-               if (ipconfig->method == method)
-                       return 0;
+               if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+                       return -EOPNOTSUPP;
 
                ipconfig->method = method;
                break;
@@ -1547,15 +2140,6 @@ int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
        return 0;
 }
 
-void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
-                                                       DBusMessageIter *iter)
-{
-       const char *method = "direct";
-
-       connman_dbus_dict_append_basic(iter, "Method",
-                                               DBUS_TYPE_STRING, &method);
-}
-
 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
                                                        DBusMessageIter *iter)
 {
@@ -1586,17 +2170,42 @@ void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
                GKeyFile *keyfile, const char *identifier, const char *prefix)
 {
-       const char *method;
+       char *method;
        char *key;
+       char *str;
 
        DBG("ipconfig %p identifier %s", ipconfig, identifier);
 
        key = g_strdup_printf("%smethod", prefix);
        method = g_key_file_get_string(keyfile, identifier, key, NULL);
-       if (method == NULL)
-               ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
-       else
+       if (method == NULL) {
+               if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
+                       ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
+               else
+                       ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
+       } else
                ipconfig->method = __connman_ipconfig_string2method(method);
+
+       if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
+               ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
+
+       if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
+               if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
+                       ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
+                       char *privacy;
+                       char *pprefix = g_strdup_printf("%sprivacy", prefix);
+                       privacy = g_key_file_get_string(keyfile, identifier,
+                                                       pprefix, NULL);
+                       ipconfig->ipv6_privacy_config = string2privacy(privacy);
+                       g_free(pprefix);
+                       g_free(privacy);
+
+                       __connman_ipconfig_enable(ipconfig);
+                       enable_ipv6(ipconfig);
+               }
+       }
+
+       g_free(method);
        g_free(key);
 
        key = g_strdup_printf("%snetmask_prefixlen", prefix);
@@ -1624,6 +2233,14 @@ int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
                                keyfile, identifier, key, NULL);
        g_free(key);
 
+       key = g_strdup_printf("%sDHCP.LastAddress", prefix);
+       str = g_key_file_get_string(keyfile, identifier, key, NULL);
+       if (str != NULL) {
+               g_free(ipconfig->last_dhcp_address);
+               ipconfig->last_dhcp_address = str;
+       }
+       g_free(key);
+
        return 0;
 }
 
@@ -1641,6 +2258,34 @@ int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
        g_key_file_set_string(keyfile, identifier, key, method);
        g_free(key);
 
+       if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
+               const char *privacy;
+               privacy = privacy2string(ipconfig->ipv6_privacy_config);
+               key = g_strdup_printf("%sprivacy", prefix);
+               g_key_file_set_string(keyfile, identifier, key, privacy);
+               g_free(key);
+       }
+
+       switch (ipconfig->method) {
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+               break;
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
+               key = g_strdup_printf("%sDHCP.LastAddress", prefix);
+               if (ipconfig->last_dhcp_address != NULL &&
+                               strlen(ipconfig->last_dhcp_address) > 0)
+                       g_key_file_set_string(keyfile, identifier, key,
+                                       ipconfig->last_dhcp_address);
+               else
+                       g_key_file_remove_key(keyfile, identifier, key, NULL);
+               g_free(key);
+               /* fall through */
+       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               return 0;
+       }
+
        key = g_strdup_printf("%snetmask_prefixlen", prefix);
        g_key_file_set_integer(keyfile, identifier,
                        key, ipconfig->address->prefixlen);