ipconfig: Rename __connman_ipconfig_get_*(index)
[platform/upstream/connman.git] / src / ipconfig.c
index 6ffcd88..8bbe184 100644 (file)
@@ -23,6 +23,7 @@
 #include <config.h>
 #endif
 
+#include <stdio.h>
 #include <net/if.h>
 #include <net/if_arp.h>
 #include <linux/if_link.h>
@@ -50,8 +51,6 @@ struct connman_ipconfig {
        enum connman_ipconfig_method method;
        struct connman_ipaddress *address;
        struct connman_ipaddress *system;
-
-       struct connman_ipconfig *ipv6;
 };
 
 struct connman_ipdevice {
@@ -74,10 +73,12 @@ struct connman_ipdevice {
        char *ipv4_gateway;
        char *ipv6_gateway;
 
-       struct connman_ipconfig *config;
+       char *pac;
+
+       struct connman_ipconfig *config_ipv4;
+       struct connman_ipconfig *config_ipv6;
 
-       struct connman_ipconfig_driver *driver;
-       struct connman_ipconfig *driver_config;
+       gboolean ipv6_enabled;
 };
 
 static GHashTable *ipdevice_hash = NULL;
@@ -113,16 +114,23 @@ 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;
 
@@ -174,10 +182,7 @@ void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
        if (ipaddress == NULL)
                return;
 
-       if (netmask != NULL)
-               ipaddress->prefixlen = netmask2prefixlen(netmask);
-       else
-               ipaddress->prefixlen = 32;
+       ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 
        g_free(ipaddress->local);
        ipaddress->local = g_strdup(address);
@@ -289,133 +294,120 @@ 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->ipv4_gateway);
-       g_free(ipdevice->ipv6_gateway);
+       f = fopen(path, "r");
 
-       g_free(ipdevice->address);
-       g_free(ipdevice->ifname);
-       g_free(ipdevice);
-}
+       g_free(path);
 
-static GSList *driver_list = NULL;
-
-static gint compare_priority(gconstpointer a, gconstpointer b)
-{
-       const struct connman_ipconfig_driver *driver1 = a;
-       const struct connman_ipconfig_driver *driver2 = b;
+       if (f != NULL) {
+               if (fscanf(f, "%d", &disabled) > 0)
+                       enabled = !disabled;
+               fclose(f);
+       }
 
-       return driver2->priority - driver1->priority;
+       return enabled;
 }
 
-/**
- * connman_ipconfig_driver_register:
- * @driver: IP configuration driver
- *
- * Register a new IP configuration driver
- *
- * Returns: %0 on success
- */
-int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
+static void set_ipv6_state(gchar *ifname, gboolean enable)
 {
-       DBG("driver %p name %s", driver, driver->name);
+       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);
 
-       driver_list = g_slist_insert_sorted(driver_list, driver,
-                                                       compare_priority);
+       if (path == NULL)
+               return;
 
-       return 0;
-}
+       f = fopen(path, "r+");
 
-/**
- * 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)
-{
-       DBG("driver %p name %s", driver, driver->name);
+       g_free(path);
 
-       driver_list = g_slist_remove(driver_list, driver);
+       if (f == NULL)
+               return;
+
+       if (enable == FALSE)
+               fprintf(f, "1");
+       else
+               fprintf(f, "0");
+
+       fclose(f);
 }
 
-static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
+static void free_ipdevice(gpointer data)
 {
-       GSList *list;
+       struct connman_ipdevice *ipdevice = data;
 
-       DBG("ipconfig %p", ipdevice->config);
+       connman_info("%s {remove} index %d", ipdevice->ifname,
+                                                       ipdevice->index);
 
-       if (ipdevice->config == NULL)
-               return;
+       if (ipdevice->config_ipv4 != NULL) {
+               connman_ipconfig_unref(ipdevice->config_ipv4);
+               ipdevice->config_ipv4 = NULL;
+       }
 
-       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;
+       if (ipdevice->config_ipv6 != NULL) {
+               connman_ipconfig_unref(ipdevice->config_ipv6);
+               ipdevice->config_ipv6 = NULL;
        }
 
-       if (ipdevice->driver != NULL)
-               return;
+       free_address_list(ipdevice);
+       g_free(ipdevice->ipv4_gateway);
+       g_free(ipdevice->ipv6_gateway);
+       g_free(ipdevice->pac);
 
-       ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
-       if (ipdevice->driver_config == NULL)
-               return;
+       g_free(ipdevice->address);
 
-       for (list = driver_list; list; list = list->next) {
-               struct connman_ipconfig_driver *driver = list->data;
+       set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 
-               if (driver->request(ipdevice->driver_config) == 0) {
-                       ipdevice->driver = driver;
-                       break;
-               }
-       }
+       g_free(ipdevice->ifname);
+       g_free(ipdevice);
+}
 
-       if (ipdevice->driver == NULL) {
-               connman_ipconfig_unref(ipdevice->driver_config);
-               ipdevice->driver_config = NULL;
-       }
+static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
+{
+       DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
+                                       ipdevice->config_ipv6);
 }
 
 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 {
-       DBG("ipconfig %p", ipdevice->config);
-
-       if (ipdevice->config == NULL)
-               return;
-
-       if (ipdevice->driver == NULL)
-               return;
+       DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
+                                       ipdevice->config_ipv6);
 
-       ipdevice->driver->release(ipdevice->driver_config);
+       if (ipdevice->config_ipv4)
+               connman_inet_clear_address(ipdevice->index,
+                                       ipdevice->config_ipv4->address);
 
-       ipdevice->driver = NULL;
-
-       connman_ipconfig_unref(ipdevice->driver_config);
-       ipdevice->driver_config = NULL;
-
-       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;
 
@@ -424,7 +416,17 @@ 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;
@@ -436,7 +438,7 @@ 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,
@@ -471,6 +473,8 @@ 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->address = g_strdup(address);
 
        g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
@@ -587,6 +591,17 @@ 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)
 {
@@ -607,25 +622,29 @@ 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;
+       }
+
        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;
@@ -663,7 +682,8 @@ void __connman_ipconfig_deladdr(int index, int family, const char *label,
        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);
@@ -702,19 +722,28 @@ void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 
        if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
                GSList *list;
+               GList *config_list;
 
                if (family == AF_INET6) {
                        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 {
                        g_free(ipdevice->ipv4_gateway);
                        ipdevice->ipv4_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);
+                       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);
+                       }
                }
 
                for (list = ipdevice->address_list; list; list = list->next) {
@@ -723,6 +752,20 @@ void __connman_ipconfig_newroute(int index, int family, 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 (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>",
@@ -743,19 +786,26 @@ void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 
        if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
                GSList *list;
+               GList *config_list;
 
                if (family == AF_INET6) {
                        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 {
                        g_free(ipdevice->ipv4_gateway);
                        ipdevice->ipv4_gateway = NULL;
-               }
 
-               if (ipdevice->config != NULL &&
-                                       ipdevice->config->system != NULL) {
-                       g_free(ipdevice->config->system->gateway);
-                       ipdevice->config->system->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;
+                       }
                }
 
                for (list = ipdevice->address_list; list; list = list->next) {
@@ -764,6 +814,20 @@ void __connman_ipconfig_delroute(int index, int family, 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 (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>",
@@ -789,7 +853,13 @@ 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;
 
@@ -800,7 +870,7 @@ 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;
 
@@ -811,7 +881,7 @@ 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;
 
@@ -822,9 +892,16 @@ const char *__connman_ipconfig_get_gateway(int index)
        if (ipdevice->ipv4_gateway != NULL)
                return ipdevice->ipv4_gateway;
 
-       if (ipdevice->config != NULL &&
-                       ipdevice->config->address != NULL)
-               return ipdevice->config->address->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_ipv6 != NULL &&
+                       ipdevice->config_ipv6->address != NULL)
+               return ipdevice->config_ipv6->address->gateway;
 
        return NULL;
 }
@@ -832,9 +909,6 @@ 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)
@@ -847,8 +921,11 @@ static struct connman_ipconfig *create_ipv6config(int index)
        if (ipv6config == NULL)
                return NULL;
 
+       ipv6config->refcount = 1;
+
        ipv6config->index = index;
        ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
+       ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
 
        ipv6config->address = connman_ipaddress_alloc(AF_INET6);
        if (ipv6config->address == NULL) {
@@ -858,8 +935,6 @@ static struct connman_ipconfig *create_ipv6config(int index)
 
        ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 
-       ipv6config->ipv6 = NULL;
-
        DBG("ipconfig %p", ipv6config);
 
        return ipv6config;
@@ -872,10 +947,14 @@ static struct connman_ipconfig *create_ipv6config(int index)
  *
  * Returns: a newly-allocated #connman_ipconfig structure
  */
-struct connman_ipconfig *connman_ipconfig_create(int index)
+struct connman_ipconfig *connman_ipconfig_create(int index,
+                                       enum connman_ipconfig_type type)
 {
        struct connman_ipconfig *ipconfig;
 
+       if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
+               return create_ipv6config(index);
+
        DBG("index %d", index);
 
        ipconfig = g_try_new0(struct connman_ipconfig, 1);
@@ -895,38 +974,11 @@ struct connman_ipconfig *connman_ipconfig_create(int index)
 
        ipconfig->system = connman_ipaddress_alloc(AF_INET);
 
-       ipconfig->ipv6 = create_ipv6config(index);
-
        DBG("ipconfig %p", ipconfig);
 
        return ipconfig;
 }
 
-/**
- * connman_ipconfig_clone:
- *
- * Clone an ipconfig structure and create new reference.
- *
- * Returns: a newly-allocated #connman_ipconfig structure
- */
-struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
-{
-       struct connman_ipconfig *ipconfig_clone;
-
-       DBG("ipconfig %p", ipconfig);
-
-       ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
-       if (ipconfig_clone == NULL)
-               return NULL;
-
-       ipconfig_clone->refcount = 1;
-
-       ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
-
-       ipconfig_clone->index = -1;
-
-       return ipconfig_clone;
-}
 
 /**
  * connman_ipconfig_ref:
@@ -936,22 +988,14 @@ struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfi
  */
 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 {
+       DBG("ipconfig %p refcount %d", ipconfig,
+                               g_atomic_int_get(&ipconfig->refcount) + 1);
+
        g_atomic_int_inc(&ipconfig->refcount);
 
        return ipconfig;
 }
 
-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);
-}
-
 /**
  * connman_ipconfig_unref:
  * @ipconfig: ipconfig structure
@@ -960,6 +1004,12 @@ static void  free_ipv6config(struct connman_ipconfig *ipconfig)
  */
 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 {
+       if (ipconfig == NULL)
+               return;
+
+       DBG("ipconfig %p refcount %d", ipconfig,
+                       g_atomic_int_get(&ipconfig->refcount) - 1);
+
        if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
                __connman_ipconfig_disable(ipconfig);
 
@@ -972,7 +1022,6 @@ void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 
                connman_ipaddress_free(ipconfig->system);
                connman_ipaddress_free(ipconfig->address);
-               free_ipv6config(ipconfig->ipv6);
                g_free(ipconfig);
        }
 }
@@ -985,6 +1034,9 @@ 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;
 }
 
@@ -1054,15 +1106,6 @@ 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
@@ -1109,7 +1152,8 @@ void __connman_ipconfig_set_element_ipv6_gateway(
                        struct connman_ipconfig *ipconfig,
                                struct connman_element *element)
 {
-       element->ipv6.gateway = ipconfig->ipv6->address->gateway;
+       if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+               element->ipv6.gateway = ipconfig->address->gateway;
 }
 
 /*
@@ -1127,8 +1171,11 @@ int __connman_ipconfig_set_gateway(struct connman_ipconfig *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 (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
+               connection->ipv4.gateway = ipconfig->address->gateway;
+       else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+               connection->ipv6.gateway = ipconfig->address->gateway;
 
        if (connman_element_register(connection, parent) < 0)
                connman_element_unref(connection);
@@ -1145,6 +1192,7 @@ int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
        case CONNMAN_IPCONFIG_METHOD_OFF:
        case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_DHCP:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
                break;
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
@@ -1172,10 +1220,12 @@ int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
        case CONNMAN_IPCONFIG_METHOD_OFF:
        case CONNMAN_IPCONFIG_METHOD_FIXED:
        case CONNMAN_IPCONFIG_METHOD_DHCP:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
                break;
        case CONNMAN_IPCONFIG_METHOD_MANUAL:
                if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
-                       return connman_inet_clear_address(ipconfig->index);
+                       return connman_inet_clear_address(ipconfig->index,
+                                                       ipconfig->address);
                else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
                        return connman_inet_clear_ipv6_address(
                                                ipconfig->index,
@@ -1186,11 +1236,50 @@ int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
        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;
+}
+
 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);
 
@@ -1202,18 +1291,41 @@ 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;
+       } else
+               return -EINVAL;
 
-       if (ipdevice->config != NULL) {
-               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+       if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
+                                       ipdevice->config_ipv4 != NULL) {
+               ipconfig_list = g_list_remove(ipconfig_list,
+                                                       ipdevice->config_ipv4);
+
+               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);
 
@@ -1255,18 +1367,28 @@ 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;
+               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)
@@ -1282,6 +1404,8 @@ 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;
@@ -1297,6 +1421,8 @@ 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;
 }
@@ -1308,6 +1434,9 @@ 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;
@@ -1344,6 +1473,9 @@ void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
 
        DBG("");
 
+       if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+               return;
+
        str = __connman_ipconfig_method2string(ipconfig->method);
        if (str == NULL)
                return;
@@ -1386,6 +1518,7 @@ 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;
        }
 
@@ -1423,6 +1556,7 @@ void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
        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_MANUAL:
                break;
@@ -1451,8 +1585,36 @@ void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
                                DBUS_TYPE_STRING, &ipconfig->address->gateway);
 }
 
+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;
+
+       set_ipv6_state(ipdevice->ifname, TRUE);
+}
+
 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,
@@ -1460,11 +1622,7 @@ int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
        int prefix_length = 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;
@@ -1529,17 +1687,30 @@ int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
 
        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;
+               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
@@ -1549,8 +1720,8 @@ int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
                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;
@@ -1559,15 +1730,6 @@ 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)
 {
@@ -1598,17 +1760,46 @@ 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;
 
        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_OFF)
+                       disable_ipv6(ipconfig);
+               else if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
+                       ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
+                       enable_ipv6(ipconfig);
+                       __connman_ipconfig_enable(ipconfig);
+
+                       if (ipconfig->ops_data) {
+                               struct connman_service *service =
+                                                       ipconfig->ops_data;
+                               struct connman_network *network;
+                               network = __connman_service_get_network(
+                                                               service);
+                               if (network)
+                                       __connman_network_set_ipconfig(network,
+                                                       NULL, ipconfig);
+                       }
+               }
+       }
+
+       g_free(method);
        g_free(key);
 
        key = g_strdup_printf("%snetmask_prefixlen", prefix);