ipconfig: Default method is auto for IPv6
[platform/upstream/connman.git] / src / ipconfig.c
index 1c8f296..7a14c42 100644 (file)
@@ -2,7 +2,7 @@
  *
  *  Connection Manager
  *
- *  Copyright (C) 2007  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
 #include <config.h>
 #endif
 
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <linux/if_link.h>
+#include <string.h>
+#include <stdlib.h>
+
+#ifndef IFF_LOWER_UP
+#define IFF_LOWER_UP   0x10000
+#endif
+
+#include <gdbus.h>
+
 #include "connman.h"
 
-static GSList *ipconfig_list = NULL;
+struct connman_ipconfig {
+       gint refcount;
+       int index;
+       enum connman_ipconfig_type type;
+
+       struct connman_ipconfig *origin;
+
+       const struct connman_ipconfig_ops *ops;
+       void *ops_data;
+
+       enum connman_ipconfig_method method;
+       struct connman_ipaddress *address;
+       struct connman_ipaddress *system;
+};
+
+struct connman_ipdevice {
+       int index;
+       char *ifname;
+       unsigned short type;
+       unsigned int flags;
+       char *address;
+       uint16_t mtu;
+       uint32_t rx_packets;
+       uint32_t tx_packets;
+       uint32_t rx_bytes;
+       uint32_t tx_bytes;
+       uint32_t rx_errors;
+       uint32_t tx_errors;
+       uint32_t rx_dropped;
+       uint32_t tx_dropped;
+
+       GSList *address_list;
+       char *ipv4_gateway;
+       char *ipv6_gateway;
+
+       char *pac;
+
+       struct connman_ipconfig *config_ipv4;
+       struct connman_ipconfig *config_ipv6;
+};
+
+static GHashTable *ipdevice_hash = NULL;
+static GList *ipconfig_list = NULL;
+
+struct connman_ipaddress *connman_ipaddress_alloc(int family)
+{
+       struct connman_ipaddress *ipaddress;
+
+       ipaddress = g_try_new0(struct connman_ipaddress, 1);
+       if (ipaddress == NULL)
+               return NULL;
+
+       ipaddress->family = family;
+       ipaddress->prefixlen = 0;
+       ipaddress->local = NULL;
+       ipaddress->peer = NULL;
+       ipaddress->broadcast = NULL;
+       ipaddress->gateway = NULL;
+
+       return ipaddress;
+}
+
+void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
+{
+       if (ipaddress == NULL)
+               return;
+
+       g_free(ipaddress->broadcast);
+       g_free(ipaddress->peer);
+       g_free(ipaddress->local);
+       g_free(ipaddress->gateway);
+       g_free(ipaddress);
+}
+
+unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
+{
+       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;
+
+       return bits;
+}
+
+static gboolean check_ipv6_address(const char *address)
+{
+       unsigned char buf[sizeof(struct in6_addr)];
+       int err;
+
+       err = inet_pton(AF_INET6, address, buf);
+       if (err > 0)
+               return TRUE;
+
+       return FALSE;
+}
+
+int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
+                               const char *address, const char *gateway,
+                                               unsigned char prefix_length)
+{
+       if (ipaddress == NULL)
+               return -EINVAL;
+
+       if (check_ipv6_address(address) == FALSE)
+               return -EINVAL;
+
+       if (check_ipv6_address(gateway) == FALSE)
+               return -EINVAL;
+
+       DBG("prefix_len %d address %s gateway %s",
+                       prefix_length, address, gateway);
+
+       ipaddress->prefixlen = prefix_length;
+
+       g_free(ipaddress->local);
+       ipaddress->local = g_strdup(address);
+
+       g_free(ipaddress->gateway);
+       ipaddress->gateway = g_strdup(gateway);
+
+       return 0;
+}
+
+void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
+               const char *address, const char *netmask, const char *gateway)
+{
+       if (ipaddress == NULL)
+               return;
+
+       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);
+}
+
+void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
+{
+       if (ipaddress == NULL)
+               return;
+
+       ipaddress->prefixlen = 0;
+
+       g_free(ipaddress->local);
+       ipaddress->local = NULL;
+
+       g_free(ipaddress->peer);
+       ipaddress->peer = NULL;
+
+       g_free(ipaddress->broadcast);
+       ipaddress->broadcast = NULL;
+
+       g_free(ipaddress->gateway);
+       ipaddress->gateway = NULL;
+}
+
+void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
+                                       struct connman_ipaddress *source)
+{
+       if (ipaddress == NULL || source == NULL)
+               return;
+
+       ipaddress->family = source->family;
+       ipaddress->prefixlen = source->prefixlen;
+
+       g_free(ipaddress->local);
+       ipaddress->local = g_strdup(source->local);
+
+       g_free(ipaddress->peer);
+       ipaddress->peer = g_strdup(source->peer);
+
+       g_free(ipaddress->broadcast);
+       ipaddress->broadcast = g_strdup(source->broadcast);
+
+       g_free(ipaddress->gateway);
+       ipaddress->gateway = g_strdup(source->gateway);
+}
+
+static void free_address_list(struct connman_ipdevice *ipdevice)
+{
+       GSList *list;
+
+       for (list = ipdevice->address_list; list; list = list->next) {
+               struct connman_ipaddress *ipaddress = list->data;
+
+               connman_ipaddress_free(ipaddress);
+               list->data = NULL;
+       }
+
+       g_slist_free(ipdevice->address_list);
+       ipdevice->address_list = NULL;
+}
+
+static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
+                               unsigned char prefixlen, const char *local)
+{
+       GSList *list;
+
+       for (list = ipdevice->address_list; list; list = list->next) {
+               struct connman_ipaddress *ipaddress = list->data;
+
+               if (g_strcmp0(ipaddress->local, local) == 0 &&
+                                       ipaddress->prefixlen == prefixlen)
+                       return ipaddress;
+       }
+
+       return NULL;
+}
+
+static const char *type2str(unsigned short type)
+{
+       switch (type) {
+       case ARPHRD_ETHER:
+               return "ETHER";
+       case ARPHRD_LOOPBACK:
+               return "LOOPBACK";
+       case ARPHRD_PPP:
+               return "PPP";
+       case ARPHRD_NONE:
+               return "NONE";
+       case ARPHRD_VOID:
+               return "VOID";
+       }
+
+       return "";
+}
+
+static const char *scope2str(unsigned char scope)
+{
+       switch (scope) {
+       case 0:
+               return "UNIVERSE";
+       case 253:
+               return "LINK";
+       }
+
+       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);
+       g_free(ipdevice->ifname);
+       g_free(ipdevice);
+}
+
+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 ipv4 %p ipv6 %p", ipdevice->config_ipv4,
+                                       ipdevice->config_ipv6);
+
+       if (ipdevice->config_ipv4)
+               connman_inet_clear_address(ipdevice->index,
+                                       ipdevice->config_ipv4->address);
+
+       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;
+
+       connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
+                                       stats->rx_packets, stats->rx_bytes);
+       connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
+                                       stats->tx_packets, stats->tx_bytes);
+
+       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;
+       ipdevice->tx_packets = stats->tx_packets;
+       ipdevice->rx_bytes = stats->rx_bytes;
+       ipdevice->tx_bytes = stats->tx_bytes;
+       ipdevice->rx_errors = stats->rx_errors;
+       ipdevice->tx_errors = stats->tx_errors;
+       ipdevice->rx_dropped = stats->rx_dropped;
+       ipdevice->tx_dropped = stats->tx_dropped;
+
+       __connman_service_notify(service,
+                               ipdevice->rx_packets, ipdevice->tx_packets,
+                               ipdevice->rx_bytes, ipdevice->tx_bytes,
+                               ipdevice->rx_errors, ipdevice->tx_errors,
+                               ipdevice->rx_dropped, ipdevice->tx_dropped);
+}
+
+void __connman_ipconfig_newlink(int index, unsigned short type,
+                               unsigned int flags, const char *address,
+                                                       unsigned short mtu,
+                                               struct rtnl_link_stats *stats)
+{
+       struct connman_ipdevice *ipdevice;
+       GList *list;
+       GString *str;
+       gboolean up = FALSE, down = FALSE;
+       gboolean lower_up = FALSE, lower_down = FALSE;
+
+       DBG("index %d", index);
+
+       if (type == ARPHRD_LOOPBACK)
+               return;
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice != NULL)
+               goto update;
+
+       ipdevice = g_try_new0(struct connman_ipdevice, 1);
+       if (ipdevice == NULL)
+               return;
+
+       ipdevice->index = index;
+       ipdevice->ifname = connman_inet_ifname(index);
+       ipdevice->type = type;
+
+       ipdevice->address = g_strdup(address);
+
+       g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
+
+       connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
+                                               index, type, type2str(type));
+
+update:
+       ipdevice->mtu = mtu;
+
+       update_stats(ipdevice, stats);
+
+       if (flags == ipdevice->flags)
+               return;
+
+       if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
+               if (flags & IFF_UP)
+                       up = TRUE;
+               else
+                       down = TRUE;
+       }
+
+       if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
+                               (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
+               if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
+                                       (IFF_RUNNING | IFF_LOWER_UP))
+                       lower_up = TRUE;
+               else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
+                       lower_down = TRUE;
+       }
+
+       ipdevice->flags = flags;
+
+       str = g_string_new(NULL);
+       if (str == NULL)
+               return;
+
+       if (flags & IFF_UP)
+               g_string_append(str, "UP");
+       else
+               g_string_append(str, "DOWN");
+
+       if (flags & IFF_RUNNING)
+               g_string_append(str, ",RUNNING");
+
+       if (flags & IFF_LOWER_UP)
+               g_string_append(str, ",LOWER_UP");
+
+       connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
+                                                       flags, str->str);
+
+       g_string_free(str, TRUE);
+
+       for (list = g_list_first(ipconfig_list); list;
+                                               list = g_list_next(list)) {
+               struct connman_ipconfig *ipconfig = list->data;
+
+               if (index != ipconfig->index)
+                       continue;
+
+               if (ipconfig->ops == NULL)
+                       continue;
+
+               if (up == TRUE && ipconfig->ops->up)
+                       ipconfig->ops->up(ipconfig);
+               if (lower_up == TRUE && ipconfig->ops->lower_up)
+                       ipconfig->ops->lower_up(ipconfig);
+
+               if (lower_down == TRUE && ipconfig->ops->lower_down)
+                       ipconfig->ops->lower_down(ipconfig);
+               if (down == TRUE && ipconfig->ops->down)
+                       ipconfig->ops->down(ipconfig);
+       }
+
+       if (lower_up)
+               __connman_ipconfig_lower_up(ipdevice);
+       if (lower_down)
+               __connman_ipconfig_lower_down(ipdevice);
+}
+
+void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
+{
+       struct connman_ipdevice *ipdevice;
+       GList *list;
+
+       DBG("index %d", index);
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return;
+
+       update_stats(ipdevice, stats);
+
+       for (list = g_list_first(ipconfig_list); list;
+                                               list = g_list_next(list)) {
+               struct connman_ipconfig *ipconfig = list->data;
+
+               if (index != ipconfig->index)
+                       continue;
+
+               ipconfig->index = -1;
+
+               if (ipconfig->ops == NULL)
+                       continue;
+
+               if (ipconfig->ops->lower_down)
+                       ipconfig->ops->lower_down(ipconfig);
+               if (ipconfig->ops->down)
+                       ipconfig->ops->down(ipconfig);
+       }
+
+       __connman_ipconfig_lower_down(ipdevice);
+
+       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;
+       GList *list;
+
+       DBG("index %d", index);
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return;
+
+       ipaddress = connman_ipaddress_alloc(family);
+       if (ipaddress == NULL)
+               return;
+
+       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 family %d",
+               ipdevice->ifname, address, prefixlen, label, family);
+
+       if (ipdevice->config_ipv4 != NULL && family == AF_INET)
+               connman_ipaddress_copy(ipdevice->config_ipv4->system,
+                                       ipaddress);
+
+       else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
+               connman_ipaddress_copy(ipdevice->config_ipv6->system,
+                                       ipaddress);
+       else
+               return;
+
+       if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
+               return;
+
+       for (list = g_list_first(ipconfig_list); list;
+                                               list = g_list_next(list)) {
+               struct connman_ipconfig *ipconfig = list->data;
+
+               if (index != ipconfig->index)
+                       continue;
+
+               if (ipconfig->ops == NULL)
+                       continue;
+
+               if (ipconfig->ops->ip_bound)
+                       ipconfig->ops->ip_bound(ipconfig);
+       }
+}
+
+void __connman_ipconfig_deladdr(int index, int family, const char *label,
+                               unsigned char prefixlen, const char *address)
+{
+       struct connman_ipdevice *ipdevice;
+       struct connman_ipaddress *ipaddress;
+       GList *list;
+
+       DBG("index %d", index);
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return;
+
+       ipaddress = find_ipaddress(ipdevice, prefixlen, address);
+       if (ipaddress == NULL)
+               return;
+
+       ipdevice->address_list = g_slist_remove(ipdevice->address_list,
+                                                               ipaddress);
+
+       connman_ipaddress_free(ipaddress);
+
+       connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
+                                               address, prefixlen, label);
+
+       if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
+               return;
+
+       if (g_slist_length(ipdevice->address_list) > 0)
+               return;
+
+       for (list = g_list_first(ipconfig_list); list;
+                                               list = g_list_next(list)) {
+               struct connman_ipconfig *ipconfig = list->data;
+
+               if (index != ipconfig->index)
+                       continue;
+
+               if (ipconfig->ops == NULL)
+                       continue;
+
+               if (ipconfig->ops->ip_release)
+                       ipconfig->ops->ip_release(ipconfig);
+       }
+}
+
+void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
+                                       const char *dst, const char *gateway)
+{
+       struct connman_ipdevice *ipdevice;
+
+       DBG("index %d", index);
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return;
+
+       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_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) {
+                       struct connman_ipaddress *ipaddress = list->data;
+
+                       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>",
+                                       ipdevice->ifname, dst, gateway,
+                                               scope, scope2str(scope));
+}
+
+void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
+                                       const char *dst, const char *gateway)
+{
+       struct connman_ipdevice *ipdevice;
+
+       DBG("index %d", index);
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return;
+
+       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_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) {
+                       struct connman_ipaddress *ipaddress = list->data;
+
+                       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>",
+                                       ipdevice->ifname, dst, gateway,
+                                               scope, scope2str(scope));
+}
+
+void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
+                                                       void *user_data)
+{
+       GList *list, *keys;
+
+       keys = g_hash_table_get_keys(ipdevice_hash);
+       if (keys == NULL)
+               return;
+
+       for (list = g_list_first(keys); list; list = g_list_next(list)) {
+               int index = GPOINTER_TO_INT(list->data);
+
+               function(index, user_data);
+       }
+
+       g_list_free(keys);
+}
+
+unsigned short __connman_ipconfig_get_type(int index)
+{
+       struct connman_ipdevice *ipdevice;
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return ARPHRD_VOID;
+
+       return ipdevice->type;
+}
+
+unsigned int __connman_ipconfig_get_flags(int index)
+{
+       struct connman_ipdevice *ipdevice;
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return 0;
+
+       return ipdevice->flags;
+}
+
+const char *__connman_ipconfig_get_gateway(int index)
+{
+       struct connman_ipdevice *ipdevice;
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
+       if (ipdevice == NULL)
+               return NULL;
+
+       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_ipv6 != NULL &&
+                       ipdevice->config_ipv6->address != NULL)
+               return ipdevice->config_ipv6->address->gateway;
+
+       return NULL;
+}
+
+void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
+{
+       ipconfig->index = index;
+}
+
+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->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_create:
+ *
+ * Allocate a new ipconfig structure.
+ *
+ * Returns: a newly-allocated #connman_ipconfig structure
+ */
+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);
+       if (ipconfig == NULL)
+               return NULL;
+
+       ipconfig->refcount = 1;
+
+       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->system = connman_ipaddress_alloc(AF_INET);
+
+       DBG("ipconfig %p", ipconfig);
+
+       return ipconfig;
+}
+
+
+/**
+ * connman_ipconfig_ref:
+ * @ipconfig: ipconfig structure
+ *
+ * Increase reference counter of ipconfig
+ */
+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;
+}
+
+/**
+ * connman_ipconfig_unref:
+ * @ipconfig: ipconfig structure
+ *
+ * Decrease reference counter of 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);
+
+               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);
+       }
+}
+
+/**
+ * connman_ipconfig_get_data:
+ * @ipconfig: ipconfig structure
+ *
+ * Get private data pointer
+ */
+void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig == NULL)
+               return NULL;
+
+       return ipconfig->ops_data;
+}
+
+/**
+ * connman_ipconfig_set_data:
+ * @ipconfig: ipconfig structure
+ * @data: data pointer
+ *
+ * Set private data pointer
+ */
+void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
+{
+       ipconfig->ops_data = data;
+}
 
-static gint compare_priority(gconstpointer a, gconstpointer b)
+/**
+ * connman_ipconfig_get_index:
+ * @ipconfig: ipconfig structure
+ *
+ * Get interface index
+ */
+int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 {
-       const struct connman_ipconfig *ipconfig1 = a;
-       const struct connman_ipconfig *ipconfig2 = b;
+       if (ipconfig == NULL)
+               return -1;
+
+       if (ipconfig->origin != NULL)
+               return ipconfig->origin->index;
 
-       return ipconfig2->priority - ipconfig1->priority;
+       return ipconfig->index;
 }
 
 /**
- * connman_ipconfig_register:
- * @ipconfig: IP configuration module
+ * connman_ipconfig_get_ifname:
+ * @ipconfig: ipconfig structure
  *
- * Register a new IP configuration module
+ * Get interface name
+ */
+const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
+{
+       struct connman_ipdevice *ipdevice;
+
+       if (ipconfig == NULL)
+               return NULL;
+
+       if (ipconfig->index < 0)
+               return NULL;
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash,
+                                       GINT_TO_POINTER(ipconfig->index));
+       if (ipdevice == NULL)
+               return NULL;
+
+       return ipdevice->ifname;
+}
+
+/**
+ * connman_ipconfig_set_ops:
+ * @ipconfig: ipconfig structure
+ * @ops: operation callbacks
  *
- * Returns: %0 on success
+ * Set the operation callbacks
  */
-int connman_ipconfig_register(struct connman_ipconfig *ipconfig)
+void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
+                               const struct connman_ipconfig_ops *ops)
 {
-       DBG("ipconfig %p name %s", ipconfig, ipconfig->name);
+       ipconfig->ops = ops;
+}
 
-       ipconfig_list = g_slist_insert_sorted(ipconfig_list, ipconfig,
-                                                       compare_priority);
+/**
+ * connman_ipconfig_set_method:
+ * @ipconfig: ipconfig structure
+ * @method: configuration method
+ *
+ * Set the configuration method
+ */
+int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
+                                       enum connman_ipconfig_method method)
+{
+       ipconfig->method = method;
 
        return 0;
 }
 
+enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
+{
+       if (ipconfig == NULL)
+               return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
+
+       return ipconfig->method;
+}
+
 /**
- * connman_ipconfig_unregister:
- * @ipconfig: IP configuration module
+ * connman_ipconfig_bind:
+ * @ipconfig: ipconfig structure
+ * @ipaddress: ipaddress structure
  *
- * Remove a previously registered IP configuration module.
+ * 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)
+{
+       if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+               element->ipv6.gateway = ipconfig->address->gateway;
+}
+
+/*
+ * FIXME: The element soulution should be removed in the future
+ * Set IPv4 and IPv6 gateway
  */
-void connman_ipconfig_unregister(struct connman_ipconfig *ipconfig)
+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;
+
+       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);
+
+       return 0;
+}
+
+int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
+{
+       DBG("");
+
+       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:
+               break;
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+               if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
+                       return connman_inet_set_address(ipconfig->index,
+                                                       ipconfig->address);
+               else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+                       return connman_inet_set_ipv6_address(
+                                       ipconfig->index, ipconfig->address);
+       }
+
+       return 0;
+}
+
+int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
+{
+       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_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,
+                                                       ipconfig->address);
+               else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
+                       return connman_inet_clear_ipv6_address(
+                                               ipconfig->index,
+                                               ipconfig->address->local,
+                                               ipconfig->address->prefixlen);
+       }
+
+       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);
+
+       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;
+
+       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 (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_ipv6->system);
+
+               connman_ipconfig_unref(ipdevice->config_ipv6);
+       }
+
+       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);
+
+       if (ipdevice->flags & IFF_UP)
+               up = TRUE;
+       else
+               down = TRUE;
+
+       if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
+                       (IFF_RUNNING | IFF_LOWER_UP))
+               lower_up = TRUE;
+       else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
+               lower_down = TRUE;
+
+       if (up == TRUE && ipconfig->ops->up)
+               ipconfig->ops->up(ipconfig);
+       if (lower_up == TRUE && ipconfig->ops->lower_up)
+               ipconfig->ops->lower_up(ipconfig);
+
+       if (lower_down == TRUE && ipconfig->ops->lower_down)
+               ipconfig->ops->lower_down(ipconfig);
+       if (down == TRUE && ipconfig->ops->down)
+               ipconfig->ops->down(ipconfig);
+
+       return 0;
+}
+
+int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
+{
+       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;
+
+       if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
+               return -EINVAL;
+
+       if (ipdevice->config_ipv4 == ipconfig) {
+               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+
+               connman_ipaddress_clear(ipdevice->config_ipv4->system);
+               connman_ipconfig_unref(ipdevice->config_ipv4);
+               ipdevice->config_ipv4 = NULL;
+               return 0;
+       }
+
+       if (ipdevice->config_ipv6 == ipconfig) {
+               ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
+
+               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)
+{
+       switch (method) {
+       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+               break;
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+               return "off";
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
+               return "fixed";
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+               return "manual";
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
+               return "dhcp";
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               return "auto";
+       }
+
+       return NULL;
+}
+
+enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
+{
+       if (g_strcmp0(method, "off") == 0)
+               return CONNMAN_IPCONFIG_METHOD_OFF;
+       else if (g_strcmp0(method, "fixed") == 0)
+               return CONNMAN_IPCONFIG_METHOD_FIXED;
+       else if (g_strcmp0(method, "manual") == 0)
+               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;
+}
+
+void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
+                                                       DBusMessageIter *iter)
+{
+       const char *str;
+
+       DBG("");
+
+       if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
+               return;
+
+       str = __connman_ipconfig_method2string(ipconfig->method);
+       if (str == NULL)
+               return;
+
+       connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
+
+       if (ipconfig->system == NULL)
+               return;
+
+       if (ipconfig->system->local != NULL) {
+               in_addr_t addr;
+               struct in_addr netmask;
+               char *mask;
+
+               connman_dbus_dict_append_basic(iter, "Address",
+                               DBUS_TYPE_STRING, &ipconfig->system->local);
+
+               addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
+               netmask.s_addr = htonl(addr);
+               mask = inet_ntoa(netmask);
+               connman_dbus_dict_append_basic(iter, "Netmask",
+                                               DBUS_TYPE_STRING, &mask);
+       }
+
+       if (ipconfig->system->gateway != NULL)
+               connman_dbus_dict_append_basic(iter, "Gateway",
+                               DBUS_TYPE_STRING, &ipconfig->system->gateway);
+}
+
+void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
+                                                       DBusMessageIter *iter)
+{
+       const char *str;
+
+       DBG("");
+
+       if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
+               return;
+
+       str = __connman_ipconfig_method2string(ipconfig->method);
+       if (str == NULL)
+               return;
+
+       connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
+
+       if (ipconfig->system == NULL)
+               return;
+
+       if (ipconfig->system->local != NULL) {
+               connman_dbus_dict_append_basic(iter, "Address",
+                               DBUS_TYPE_STRING, &ipconfig->system->local);
+               connman_dbus_dict_append_basic(iter, "PrefixLength",
+                                               DBUS_TYPE_BYTE,
+                                               &ipconfig->system->prefixlen);
+       }
+
+       if (ipconfig->system->gateway != NULL)
+               connman_dbus_dict_append_basic(iter, "Gateway",
+                               DBUS_TYPE_STRING, &ipconfig->system->gateway);
+}
+
+void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
+                                                       DBusMessageIter *iter)
+{
+       const char *str;
+
+       DBG("");
+
+       str = __connman_ipconfig_method2string(ipconfig->method);
+       if (str == NULL)
+               return;
+
+       connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
+
+       switch (ipconfig->method) {
+       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
+               return;
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               break;
+       }
+
+       if (ipconfig->address == NULL)
+               return;
+
+       if (ipconfig->address->local != NULL) {
+               connman_dbus_dict_append_basic(iter, "Address",
+                               DBUS_TYPE_STRING, &ipconfig->address->local);
+               connman_dbus_dict_append_basic(iter, "PrefixLength",
+                                               DBUS_TYPE_BYTE,
+                                               &ipconfig->address->prefixlen);
+       }
+
+       if (ipconfig->address->gateway != NULL)
+               connman_dbus_dict_append_basic(iter, "Gateway",
+                               DBUS_TYPE_STRING, &ipconfig->address->gateway);
+}
+
+void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
+                                                       DBusMessageIter *iter)
+{
+       const char *str;
+
+       DBG("");
+
+       str = __connman_ipconfig_method2string(ipconfig->method);
+       if (str == NULL)
+               return;
+
+       connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
+
+       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_MANUAL:
+               break;
+       }
+
+       if (ipconfig->address == NULL)
+               return;
+
+       if (ipconfig->address->local != NULL) {
+               in_addr_t addr;
+               struct in_addr netmask;
+               char *mask;
+
+               connman_dbus_dict_append_basic(iter, "Address",
+                               DBUS_TYPE_STRING, &ipconfig->address->local);
+
+               addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
+               netmask.s_addr = htonl(addr);
+               mask = inet_ntoa(netmask);
+               connman_dbus_dict_append_basic(iter, "Netmask",
+                                               DBUS_TYPE_STRING, &mask);
+       }
+
+       if (ipconfig->address->gateway != NULL)
+               connman_dbus_dict_append_basic(iter, "Gateway",
+                               DBUS_TYPE_STRING, &ipconfig->address->gateway);
+}
+
+int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
+               enum connman_ipconfig_type type, 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;
+       DBusMessageIter dict;
+
+       DBG("ipconfig %p type %d", ipconfig, type);
+
+       if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
+                       type != CONNMAN_IPCONFIG_TYPE_IPV6)
+               return -EINVAL;
+
+       if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
+               return -EINVAL;
+
+       dbus_message_iter_recurse(array, &dict);
+
+       while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
+               DBusMessageIter entry;
+               const char *key;
+               int type;
+
+               dbus_message_iter_recurse(&dict, &entry);
+
+               if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
+                       return -EINVAL;
+
+               dbus_message_iter_get_basic(&entry, &key);
+               dbus_message_iter_next(&entry);
+
+               type = dbus_message_iter_get_arg_type(&entry);
+
+               if (g_str_equal(key, "Method") == TRUE) {
+                       const char *str;
+
+                       if (type != DBUS_TYPE_STRING)
+                               return -EINVAL;
+
+                       dbus_message_iter_get_basic(&entry, &str);
+                       method = __connman_ipconfig_string2method(str);
+               } else if (g_str_equal(key, "Address") == TRUE) {
+                       if (type != DBUS_TYPE_STRING)
+                               return -EINVAL;
+
+                       dbus_message_iter_get_basic(&entry, &address);
+               } else if (g_str_equal(key, "PrefixLength") == TRUE) {
+                       if (type != DBUS_TYPE_STRING)
+                               return -EINVAL;
+
+                       dbus_message_iter_get_basic(&entry,
+                                                       &prefix_length_string);
+
+                       prefix_length = atoi(prefix_length_string);
+                       if (prefix_length < 0 || prefix_length > 128)
+                               return -EINVAL;
+
+               } else if (g_str_equal(key, "Netmask") == TRUE) {
+                       if (type != DBUS_TYPE_STRING)
+                               return -EINVAL;
+
+                       dbus_message_iter_get_basic(&entry, &netmask);
+               } else if (g_str_equal(key, "Gateway") == TRUE) {
+                       if (type != DBUS_TYPE_STRING)
+                               return -EINVAL;
+
+                       dbus_message_iter_get_basic(&entry, &gateway);
+               }
+               dbus_message_iter_next(&dict);
+       }
+
+       DBG("method %d address %s netmask %s gateway %s prefix_length %d",
+                       method, address, netmask, gateway, prefix_length);
+
+       switch (method) {
+       case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
+       case CONNMAN_IPCONFIG_METHOD_OFF:
+       case CONNMAN_IPCONFIG_METHOD_FIXED:
+       case CONNMAN_IPCONFIG_METHOD_AUTO:
+               return -EINVAL;
+
+       case CONNMAN_IPCONFIG_METHOD_MANUAL:
+               if (address == NULL)
+                       return -EINVAL;
+
+               ipconfig->method = method;
+
+               if (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);
+               break;
+
+       case CONNMAN_IPCONFIG_METHOD_DHCP:
+               if (ipconfig->method == method)
+                       return 0;
+
+               ipconfig->method = method;
+               break;
+       }
+
+       return 0;
+}
+
+void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
+                                                       DBusMessageIter *iter)
+{
+       struct connman_ipdevice *ipdevice;
+       const char *method = "auto";
+
+       connman_dbus_dict_append_basic(iter, "Method",
+                                               DBUS_TYPE_STRING, &method);
+
+       ipdevice = g_hash_table_lookup(ipdevice_hash,
+                                       GINT_TO_POINTER(ipconfig->index));
+       if (ipdevice == NULL)
+               return;
+
+       if (ipdevice->ifname != NULL)
+               connman_dbus_dict_append_basic(iter, "Interface",
+                                       DBUS_TYPE_STRING, &ipdevice->ifname);
+
+       if (ipdevice->address != NULL)
+               connman_dbus_dict_append_basic(iter, "Address",
+                                       DBUS_TYPE_STRING, &ipdevice->address);
+
+       if (ipdevice->mtu > 0)
+               connman_dbus_dict_append_basic(iter, "MTU",
+                                       DBUS_TYPE_UINT16, &ipdevice->mtu);
+}
+
+int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
+               GKeyFile *keyfile, const char *identifier, const char *prefix)
+{
+       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) {
+               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;
+
+       g_free(method);
+       g_free(key);
+
+       key = g_strdup_printf("%snetmask_prefixlen", prefix);
+       ipconfig->address->prefixlen = g_key_file_get_integer(
+                               keyfile, identifier, key, NULL);
+       g_free(key);
+
+       key = g_strdup_printf("%slocal_address", prefix);
+       ipconfig->address->local = g_key_file_get_string(
+                       keyfile, identifier, key, NULL);
+       g_free(key);
+
+       key = g_strdup_printf("%speer_address", prefix);
+       ipconfig->address->peer = g_key_file_get_string(
+                               keyfile, identifier, key, NULL);
+       g_free(key);
+
+       key = g_strdup_printf("%sbroadcast_address", prefix);
+       ipconfig->address->broadcast = g_key_file_get_string(
+                               keyfile, identifier, key, NULL);
+       g_free(key);
+
+       key = g_strdup_printf("%sgateway", prefix);
+       ipconfig->address->gateway = g_key_file_get_string(
+                               keyfile, identifier, key, NULL);
+       g_free(key);
+
+       return 0;
+}
+
+int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
+               GKeyFile *keyfile, const char *identifier, const char *prefix)
+{
+       const char *method;
+       char *key;
+
+       DBG("ipconfig %p identifier %s", ipconfig, identifier);
+
+       method = __connman_ipconfig_method2string(ipconfig->method);
+
+       key = g_strdup_printf("%smethod", prefix);
+       g_key_file_set_string(keyfile, identifier, key, method);
+       g_free(key);
+
+       key = g_strdup_printf("%snetmask_prefixlen", prefix);
+       g_key_file_set_integer(keyfile, identifier,
+                       key, ipconfig->address->prefixlen);
+       g_free(key);
+
+       key = g_strdup_printf("%slocal_address", prefix);
+       if (ipconfig->address->local != NULL)
+               g_key_file_set_string(keyfile, identifier,
+                               key, ipconfig->address->local);
+       g_free(key);
+
+       key = g_strdup_printf("%speer_address", prefix);
+       if (ipconfig->address->peer != NULL)
+               g_key_file_set_string(keyfile, identifier,
+                               key, ipconfig->address->peer);
+       g_free(key);
+
+       key = g_strdup_printf("%sbroadcast_address", prefix);
+       if (ipconfig->address->broadcast != NULL)
+               g_key_file_set_string(keyfile, identifier,
+                       key, ipconfig->address->broadcast);
+       g_free(key);
+
+       key = g_strdup_printf("%sgateway", prefix);
+       if (ipconfig->address->gateway != NULL)
+               g_key_file_set_string(keyfile, identifier,
+                       key, ipconfig->address->gateway);
+       g_free(key);
+
+       return 0;
+}
+
+int __connman_ipconfig_init(void)
+{
+       DBG("");
+
+       ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+                                                       NULL, free_ipdevice);
+
+       return 0;
+}
+
+void __connman_ipconfig_cleanup(void)
 {
-       DBG("ipconfig %p name %s", ipconfig, ipconfig->name);
+       DBG("");
 
-       ipconfig_list = g_slist_remove(ipconfig_list, ipconfig);
+       g_hash_table_destroy(ipdevice_hash);
+       ipdevice_hash = NULL;
 }