src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <net/if.h>
  27 #include <net/if_arp.h>
  28 #include <linux/if_link.h>
  29
  30 #ifndef IFF_LOWER_UP
  31 #define IFF_LOWER_UP    0x10000
  32 #endif
  33
  34 #include <gdbus.h>
  35
  36 #include "connman.h"
  37
  38 struct connman_ipconfig {
  39         gint refcount;
  40         int index;
  41
  42         struct connman_ipconfig *origin;
  43
  44         const struct connman_ipconfig_ops *ops;
  45         void *ops_data;
  46
  47         enum connman_ipconfig_method method;
  48         struct connman_ipaddress *address;
  49         struct connman_ipaddress *system;
  50 };
  51
  52 struct connman_ipdevice {
  53         int index;
  54         char *ifname;
  55         unsigned short type;
  56         unsigned int flags;
  57         char *address;
  58         uint16_t mtu;
  59         uint32_t rx_packets;
  60         uint32_t tx_packets;
  61         uint32_t rx_bytes;
  62         uint32_t tx_bytes;
  63         uint32_t rx_errors;
  64         uint32_t tx_errors;
  65         uint32_t rx_dropped;
  66         uint32_t tx_dropped;
  67
  68         GSList *address_list;
  69         char *gateway;
  70
  71         struct connman_ipconfig *config;
  72
  73         struct connman_ipconfig_driver *driver;
  74         struct connman_ipconfig *driver_config;
  75 };
  76
  77 static GHashTable *ipdevice_hash = NULL;
  78 static GList *ipconfig_list = NULL;
  79
  80 struct connman_ipaddress *connman_ipaddress_alloc(void)
  81 {
  82         struct connman_ipaddress *ipaddress;
  83
  84         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  85         if (ipaddress == NULL)
  86                 return NULL;
  87
  88         return ipaddress;
  89 }
  90
  91 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
  92 {
  93         if (ipaddress == NULL)
  94                 return;
  95
  96         g_free(ipaddress->broadcast);
  97         g_free(ipaddress->peer);
  98         g_free(ipaddress->local);
  99         g_free(ipaddress->gateway);
 100         g_free(ipaddress);
 101 }
 102
 103 static unsigned char netmask2prefixlen(const char *netmask)
 104 {
 105         unsigned char bits = 0;
 106         in_addr_t mask = inet_network(netmask);
 107         in_addr_t host = ~mask;
 108
 109         /* a valid netmask must be 2^n - 1 */
 110         if ((host & (host + 1)) != 0)
 111                 return -1;
 112
 113         for (; mask; mask <<= 1)
 114                 ++bits;
 115
 116         return bits;
 117 }
 118
 119 void connman_ipaddress_set(struct connman_ipaddress *ipaddress,
 120                 const char *address, const char *netmask, const char *gateway)
 121 {
 122         if (ipaddress == NULL)
 123                 return;
 124
 125         if (netmask != NULL)
 126                 ipaddress->prefixlen = netmask2prefixlen(netmask);
 127         else
 128                 ipaddress->prefixlen = 32;
 129
 130         g_free(ipaddress->local);
 131         ipaddress->local = g_strdup(address);
 132
 133         g_free(ipaddress->gateway);
 134         ipaddress->gateway = g_strdup(gateway);
 135 }
 136
 137 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 138 {
 139         if (ipaddress == NULL)
 140                 return;
 141
 142         ipaddress->prefixlen = 0;
 143
 144         g_free(ipaddress->local);
 145         ipaddress->local = NULL;
 146
 147         g_free(ipaddress->peer);
 148         ipaddress->peer = NULL;
 149
 150         g_free(ipaddress->broadcast);
 151         ipaddress->broadcast = NULL;
 152
 153         g_free(ipaddress->gateway);
 154         ipaddress->gateway = NULL;
 155 }
 156
 157 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 158                                         struct connman_ipaddress *source)
 159 {
 160         if (ipaddress == NULL || source == NULL)
 161                 return;
 162
 163         ipaddress->prefixlen = source->prefixlen;
 164
 165         g_free(ipaddress->local);
 166         ipaddress->local = g_strdup(source->local);
 167
 168         g_free(ipaddress->peer);
 169         ipaddress->peer = g_strdup(source->peer);
 170
 171         g_free(ipaddress->broadcast);
 172         ipaddress->broadcast = g_strdup(source->broadcast);
 173
 174         g_free(ipaddress->gateway);
 175         ipaddress->gateway = g_strdup(source->gateway);
 176 }
 177
 178 static void free_address_list(struct connman_ipdevice *ipdevice)
 179 {
 180         GSList *list;
 181
 182         for (list = ipdevice->address_list; list; list = list->next) {
 183                 struct connman_ipaddress *ipaddress = list->data;
 184
 185                 connman_ipaddress_free(ipaddress);
 186                 list->data = NULL;
 187         }
 188
 189         g_slist_free(ipdevice->address_list);
 190         ipdevice->address_list = NULL;
 191 }
 192
 193 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 194                                 unsigned char prefixlen, const char *local)
 195 {
 196         GSList *list;
 197
 198         for (list = ipdevice->address_list; list; list = list->next) {
 199                 struct connman_ipaddress *ipaddress = list->data;
 200
 201                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 202                                         ipaddress->prefixlen == prefixlen)
 203                         return ipaddress;
 204         }
 205
 206         return NULL;
 207 }
 208
 209 static const char *type2str(unsigned short type)
 210 {
 211         switch (type) {
 212         case ARPHRD_ETHER:
 213                 return "ETHER";
 214         case ARPHRD_LOOPBACK:
 215                 return "LOOPBACK";
 216         case ARPHRD_PPP:
 217                 return "PPP";
 218         case ARPHRD_NONE:
 219                 return "NONE";
 220         case ARPHRD_VOID:
 221                 return "VOID";
 222         }
 223
 224         return "";
 225 }
 226
 227 static const char *scope2str(unsigned char scope)
 228 {
 229         switch (scope) {
 230         case 0:
 231                 return "UNIVERSE";
 232         case 253:
 233                 return "LINK";
 234         }
 235
 236         return "";
 237 }
 238
 239 static void free_ipdevice(gpointer data)
 240 {
 241         struct connman_ipdevice *ipdevice = data;
 242
 243         connman_info("%s {remove} index %d", ipdevice->ifname,
 244                                                         ipdevice->index);
 245
 246         if (ipdevice->config != NULL)
 247                 connman_ipconfig_unref(ipdevice->config);
 248
 249         free_address_list(ipdevice);
 250         g_free(ipdevice->gateway);
 251
 252         g_free(ipdevice->address);
 253         g_free(ipdevice->ifname);
 254         g_free(ipdevice);
 255 }
 256
 257 static GSList *driver_list = NULL;
 258
 259 static gint compare_priority(gconstpointer a, gconstpointer b)
 260 {
 261         const struct connman_ipconfig_driver *driver1 = a;
 262         const struct connman_ipconfig_driver *driver2 = b;
 263
 264         return driver2->priority - driver1->priority;
 265 }
 266
 267 /**
 268  * connman_ipconfig_driver_register:
 269  * @driver: IP configuration driver
 270  *
 271  * Register a new IP configuration driver
 272  *
 273  * Returns: %0 on success
 274  */
 275 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 276 {
 277         DBG("driver %p name %s", driver, driver->name);
 278
 279         driver_list = g_slist_insert_sorted(driver_list, driver,
 280                                                         compare_priority);
 281
 282         return 0;
 283 }
 284
 285 /**
 286  * connman_ipconfig_driver_unregister:
 287  * @driver: IP configuration driver
 288  *
 289  * Remove a previously registered IP configuration driver.
 290  */
 291 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 292 {
 293         DBG("driver %p name %s", driver, driver->name);
 294
 295         driver_list = g_slist_remove(driver_list, driver);
 296 }
 297
 298 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 299 {
 300         GSList *list;
 301
 302         DBG("ipconfig %p", ipdevice->config);
 303
 304         if (ipdevice->config == NULL)
 305                 return;
 306
 307         switch (ipdevice->config->method) {
 308         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 309         case CONNMAN_IPCONFIG_METHOD_OFF:
 310         case CONNMAN_IPCONFIG_METHOD_FIXED:
 311         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 312                 return;
 313         case CONNMAN_IPCONFIG_METHOD_DHCP:
 314                 break;
 315         }
 316
 317         if (ipdevice->driver != NULL)
 318                 return;
 319
 320         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 321         if (ipdevice->driver_config == NULL)
 322                 return;
 323
 324         for (list = driver_list; list; list = list->next) {
 325                 struct connman_ipconfig_driver *driver = list->data;
 326
 327                 if (driver->request(ipdevice->driver_config) == 0) {
 328                         ipdevice->driver = driver;
 329                         break;
 330                 }
 331         }
 332
 333         if (ipdevice->driver == NULL) {
 334                 connman_ipconfig_unref(ipdevice->driver_config);
 335                 ipdevice->driver_config = NULL;
 336         }
 337 }
 338
 339 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 340 {
 341         DBG("ipconfig %p", ipdevice->config);
 342
 343         if (ipdevice->config == NULL)
 344                 return;
 345
 346         if (ipdevice->driver == NULL)
 347                 return;
 348
 349         ipdevice->driver->release(ipdevice->driver_config);
 350
 351         ipdevice->driver = NULL;
 352
 353         connman_ipconfig_unref(ipdevice->driver_config);
 354         ipdevice->driver_config = NULL;
 355
 356         connman_inet_clear_address(ipdevice->index);
 357 }
 358
 359 static void update_stats(struct connman_ipdevice *ipdevice,
 360                                                 struct rtnl_link_stats *stats)
 361 {
 362         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 363                 return;
 364
 365         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 366                                         stats->rx_packets, stats->rx_bytes);
 367         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 368                                         stats->tx_packets, stats->tx_bytes);
 369
 370         if (ipdevice->config == NULL)
 371                 return;
 372
 373         ipdevice->rx_packets = stats->rx_packets;
 374         ipdevice->tx_packets = stats->tx_packets;
 375         ipdevice->rx_bytes = stats->rx_bytes;
 376         ipdevice->tx_bytes = stats->tx_bytes;
 377         ipdevice->rx_errors = stats->rx_errors;
 378         ipdevice->tx_errors = stats->tx_errors;
 379         ipdevice->rx_dropped = stats->rx_dropped;
 380         ipdevice->tx_dropped = stats->tx_dropped;
 381
 382         __connman_counter_notify(ipdevice->config,
 383                                 ipdevice->rx_packets, ipdevice->tx_packets,
 384                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 385                                 ipdevice->rx_errors, ipdevice->tx_errors,
 386                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 387 }
 388
 389 void __connman_ipconfig_newlink(int index, unsigned short type,
 390                                 unsigned int flags, const char *address,
 391                                                         unsigned short mtu,
 392                                                 struct rtnl_link_stats *stats)
 393 {
 394         struct connman_ipdevice *ipdevice;
 395         GList *list;
 396         GString *str;
 397         gboolean up = FALSE, down = FALSE;
 398         gboolean lower_up = FALSE, lower_down = FALSE;
 399
 400         DBG("index %d", index);
 401
 402         if (type == ARPHRD_LOOPBACK)
 403                 return;
 404
 405         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 406         if (ipdevice != NULL)
 407                 goto update;
 408
 409         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 410         if (ipdevice == NULL)
 411                 return;
 412
 413         ipdevice->index = index;
 414         ipdevice->ifname = connman_inet_ifname(index);
 415         ipdevice->type = type;
 416
 417         ipdevice->address = g_strdup(address);
 418
 419         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 420
 421         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 422                                                 index, type, type2str(type));
 423
 424 update:
 425         ipdevice->mtu = mtu;
 426
 427         update_stats(ipdevice, stats);
 428
 429         if (flags == ipdevice->flags)
 430                 return;
 431
 432         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 433                 if (flags & IFF_UP)
 434                         up = TRUE;
 435                 else
 436                         down = TRUE;
 437         }
 438
 439         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 440                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 441                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 442                                         (IFF_RUNNING | IFF_LOWER_UP))
 443                         lower_up = TRUE;
 444                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 445                         lower_down = TRUE;
 446         }
 447
 448         ipdevice->flags = flags;
 449
 450         str = g_string_new(NULL);
 451         if (str == NULL)
 452                 return;
 453
 454         if (flags & IFF_UP)
 455                 g_string_append(str, "UP");
 456         else
 457                 g_string_append(str, "DOWN");
 458
 459         if (flags & IFF_RUNNING)
 460                 g_string_append(str, ",RUNNING");
 461
 462         if (flags & IFF_LOWER_UP)
 463                 g_string_append(str, ",LOWER_UP");
 464
 465         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 466                                                         flags, str->str);
 467
 468         g_string_free(str, TRUE);
 469
 470         for (list = g_list_first(ipconfig_list); list;
 471                                                 list = g_list_next(list)) {
 472                 struct connman_ipconfig *ipconfig = list->data;
 473
 474                 if (index != ipconfig->index)
 475                         continue;
 476
 477                 if (ipconfig->ops == NULL)
 478                         continue;
 479
 480                 if (up == TRUE && ipconfig->ops->up)
 481                         ipconfig->ops->up(ipconfig);
 482                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 483                         ipconfig->ops->lower_up(ipconfig);
 484
 485                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 486                         ipconfig->ops->lower_down(ipconfig);
 487                 if (down == TRUE && ipconfig->ops->down)
 488                         ipconfig->ops->down(ipconfig);
 489         }
 490
 491         if (lower_up)
 492                 __connman_ipconfig_lower_up(ipdevice);
 493         if (lower_down)
 494                 __connman_ipconfig_lower_down(ipdevice);
 495 }
 496
 497 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 498 {
 499         struct connman_ipdevice *ipdevice;
 500         GList *list;
 501
 502         DBG("index %d", index);
 503
 504         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 505         if (ipdevice == NULL)
 506                 return;
 507
 508         update_stats(ipdevice, stats);
 509
 510         for (list = g_list_first(ipconfig_list); list;
 511                                                 list = g_list_next(list)) {
 512                 struct connman_ipconfig *ipconfig = list->data;
 513
 514                 if (index != ipconfig->index)
 515                         continue;
 516
 517                 ipconfig->index = -1;
 518
 519                 if (ipconfig->ops == NULL)
 520                         continue;
 521
 522                 if (ipconfig->ops->lower_down)
 523                         ipconfig->ops->lower_down(ipconfig);
 524                 if (ipconfig->ops->down)
 525                         ipconfig->ops->down(ipconfig);
 526         }
 527
 528         __connman_ipconfig_lower_down(ipdevice);
 529
 530         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 531 }
 532
 533 void __connman_ipconfig_newaddr(int index, const char *label,
 534                                 unsigned char prefixlen, const char *address)
 535 {
 536         struct connman_ipdevice *ipdevice;
 537         struct connman_ipaddress *ipaddress;
 538         GList *list;
 539
 540         DBG("index %d", index);
 541
 542         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 543         if (ipdevice == NULL)
 544                 return;
 545
 546         ipaddress = connman_ipaddress_alloc();
 547         if (ipaddress == NULL)
 548                 return;
 549
 550         ipaddress->prefixlen = prefixlen;
 551         ipaddress->local = g_strdup(address);
 552
 553         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 554                                                                 ipaddress);
 555
 556         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 557                                                 address, prefixlen, label);
 558
 559         if (ipdevice->config != NULL)
 560                 connman_ipaddress_copy(ipdevice->config->system, ipaddress);
 561
 562         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 563                 return;
 564
 565         if (g_slist_length(ipdevice->address_list) > 1)
 566                 return;
 567
 568         for (list = g_list_first(ipconfig_list); list;
 569                                                 list = g_list_next(list)) {
 570                 struct connman_ipconfig *ipconfig = list->data;
 571
 572                 if (index != ipconfig->index)
 573                         continue;
 574
 575                 if (ipconfig->ops == NULL)
 576                         continue;
 577
 578                 if (ipconfig->ops->ip_bound)
 579                         ipconfig->ops->ip_bound(ipconfig);
 580         }
 581 }
 582
 583 void __connman_ipconfig_deladdr(int index, const char *label,
 584                                 unsigned char prefixlen, const char *address)
 585 {
 586         struct connman_ipdevice *ipdevice;
 587         struct connman_ipaddress *ipaddress;
 588         GList *list;
 589
 590         DBG("index %d", index);
 591
 592         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 593         if (ipdevice == NULL)
 594                 return;
 595
 596         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 597         if (ipaddress == NULL)
 598                 return;
 599
 600         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 601                                                                 ipaddress);
 602
 603         connman_ipaddress_free(ipaddress);
 604
 605         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 606                                                 address, prefixlen, label);
 607
 608         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 609                 return;
 610
 611         if (g_slist_length(ipdevice->address_list) > 0)
 612                 return;
 613
 614         for (list = g_list_first(ipconfig_list); list;
 615                                                 list = g_list_next(list)) {
 616                 struct connman_ipconfig *ipconfig = list->data;
 617
 618                 if (index != ipconfig->index)
 619                         continue;
 620
 621                 if (ipconfig->ops == NULL)
 622                         continue;
 623
 624                 if (ipconfig->ops->ip_release)
 625                         ipconfig->ops->ip_release(ipconfig);
 626         }
 627 }
 628
 629 void __connman_ipconfig_newroute(int index, unsigned char scope,
 630                                         const char *dst, const char *gateway)
 631 {
 632         struct connman_ipdevice *ipdevice;
 633
 634         DBG("index %d", index);
 635
 636         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 637         if (ipdevice == NULL)
 638                 return;
 639
 640         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 641                 GSList *list;
 642
 643                 g_free(ipdevice->gateway);
 644                 ipdevice->gateway = g_strdup(gateway);
 645
 646                 if (ipdevice->config != NULL &&
 647                                         ipdevice->config->system != NULL) {
 648                         g_free(ipdevice->config->system->gateway);
 649                         ipdevice->config->system->gateway = g_strdup(gateway);
 650                 }
 651
 652                 for (list = ipdevice->address_list; list; list = list->next) {
 653                         struct connman_ipaddress *ipaddress = list->data;
 654
 655                         g_free(ipaddress->gateway);
 656                         ipaddress->gateway = g_strdup(gateway);
 657                 }
 658         }
 659
 660         connman_info("%s {add} route %s gw %s scope %u <%s>",
 661                                         ipdevice->ifname, dst, gateway,
 662                                                 scope, scope2str(scope));
 663 }
 664
 665 void __connman_ipconfig_delroute(int index, unsigned char scope,
 666                                         const char *dst, const char *gateway)
 667 {
 668         struct connman_ipdevice *ipdevice;
 669
 670         DBG("index %d", index);
 671
 672         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 673         if (ipdevice == NULL)
 674                 return;
 675
 676         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 677                 GSList *list;
 678
 679                 g_free(ipdevice->gateway);
 680                 ipdevice->gateway = NULL;
 681
 682                 if (ipdevice->config != NULL &&
 683                                         ipdevice->config->system != NULL) {
 684                         g_free(ipdevice->config->system->gateway);
 685                         ipdevice->config->system->gateway = NULL;
 686                 }
 687
 688                 for (list = ipdevice->address_list; list; list = list->next) {
 689                         struct connman_ipaddress *ipaddress = list->data;
 690
 691                         g_free(ipaddress->gateway);
 692                         ipaddress->gateway = NULL;
 693                 }
 694         }
 695
 696         connman_info("%s {del} route %s gw %s scope %u <%s>",
 697                                         ipdevice->ifname, dst, gateway,
 698                                                 scope, scope2str(scope));
 699 }
 700
 701 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 702                                                         void *user_data)
 703 {
 704         GList *list, *keys;
 705
 706         keys = g_hash_table_get_keys(ipdevice_hash);
 707         if (keys == NULL)
 708                 return;
 709
 710         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 711                 int index = GPOINTER_TO_INT(list->data);
 712
 713                 function(index, user_data);
 714         }
 715
 716         g_list_free(keys);
 717 }
 718
 719 unsigned short __connman_ipconfig_get_type(int index)
 720 {
 721         struct connman_ipdevice *ipdevice;
 722
 723         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 724         if (ipdevice == NULL)
 725                 return ARPHRD_VOID;
 726
 727         return ipdevice->type;
 728 }
 729
 730 unsigned int __connman_ipconfig_get_flags(int index)
 731 {
 732         struct connman_ipdevice *ipdevice;
 733
 734         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 735         if (ipdevice == NULL)
 736                 return 0;
 737
 738         return ipdevice->flags;
 739 }
 740
 741 const char *__connman_ipconfig_get_gateway(int index)
 742 {
 743         struct connman_ipdevice *ipdevice;
 744
 745         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 746         if (ipdevice == NULL)
 747                 return NULL;
 748
 749         return ipdevice->gateway;
 750 }
 751
 752 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 753 {
 754         ipconfig->index = index;
 755 }
 756
 757 /**
 758  * connman_ipconfig_create:
 759  *
 760  * Allocate a new ipconfig structure.
 761  *
 762  * Returns: a newly-allocated #connman_ipconfig structure
 763  */
 764 struct connman_ipconfig *connman_ipconfig_create(int index)
 765 {
 766         struct connman_ipconfig *ipconfig;
 767
 768         DBG("index %d", index);
 769
 770         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 771         if (ipconfig == NULL)
 772                 return NULL;
 773
 774         ipconfig->refcount = 1;
 775
 776         ipconfig->index = index;
 777
 778         ipconfig->address = connman_ipaddress_alloc();
 779         if (ipconfig->address == NULL) {
 780                 g_free(ipconfig);
 781                 return NULL;
 782         }
 783
 784         ipconfig->system = connman_ipaddress_alloc();
 785
 786         DBG("ipconfig %p", ipconfig);
 787
 788         return ipconfig;
 789 }
 790
 791 /**
 792  * connman_ipconfig_clone:
 793  *
 794  * Clone an ipconfig structure and create new reference.
 795  *
 796  * Returns: a newly-allocated #connman_ipconfig structure
 797  */
 798 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 799 {
 800         struct connman_ipconfig *ipconfig_clone;
 801
 802         DBG("ipconfig %p", ipconfig);
 803
 804         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 805         if (ipconfig_clone == NULL)
 806                 return NULL;
 807
 808         ipconfig_clone->refcount = 1;
 809
 810         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 811
 812         ipconfig_clone->index = -1;
 813
 814         return ipconfig_clone;
 815 }
 816
 817 /**
 818  * connman_ipconfig_ref:
 819  * @ipconfig: ipconfig structure
 820  *
 821  * Increase reference counter of ipconfig
 822  */
 823 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 824 {
 825         g_atomic_int_inc(&ipconfig->refcount);
 826
 827         return ipconfig;
 828 }
 829
 830 /**
 831  * connman_ipconfig_unref:
 832  * @ipconfig: ipconfig structure
 833  *
 834  * Decrease reference counter of ipconfig
 835  */
 836 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 837 {
 838         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 839                 __connman_ipconfig_disable(ipconfig);
 840
 841                 connman_ipconfig_set_ops(ipconfig, NULL);
 842
 843                 if (ipconfig->origin != NULL) {
 844                         connman_ipconfig_unref(ipconfig->origin);
 845                         ipconfig->origin = NULL;
 846                 }
 847
 848                 connman_ipaddress_free(ipconfig->system);
 849                 connman_ipaddress_free(ipconfig->address);
 850                 g_free(ipconfig);
 851         }
 852 }
 853
 854 /**
 855  * connman_ipconfig_get_data:
 856  * @ipconfig: ipconfig structure
 857  *
 858  * Get private data pointer
 859  */
 860 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 861 {
 862         return ipconfig->ops_data;
 863 }
 864
 865 /**
 866  * connman_ipconfig_set_data:
 867  * @ipconfig: ipconfig structure
 868  * @data: data pointer
 869  *
 870  * Set private data pointer
 871  */
 872 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
 873 {
 874         ipconfig->ops_data = data;
 875 }
 876
 877 /**
 878  * connman_ipconfig_get_index:
 879  * @ipconfig: ipconfig structure
 880  *
 881  * Get interface index
 882  */
 883 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 884 {
 885         if (ipconfig == NULL)
 886                 return -1;
 887
 888         if (ipconfig->origin != NULL)
 889                 return ipconfig->origin->index;
 890
 891         return ipconfig->index;
 892 }
 893
 894 /**
 895  * connman_ipconfig_get_ifname:
 896  * @ipconfig: ipconfig structure
 897  *
 898  * Get interface name
 899  */
 900 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
 901 {
 902         struct connman_ipdevice *ipdevice;
 903
 904         if (ipconfig == NULL)
 905                 return NULL;
 906
 907         if (ipconfig->index < 0)
 908                 return NULL;
 909
 910         ipdevice = g_hash_table_lookup(ipdevice_hash,
 911                                         GINT_TO_POINTER(ipconfig->index));
 912         if (ipdevice == NULL)
 913                 return NULL;
 914
 915         return ipdevice->ifname;
 916 }
 917
 918 /**
 919  * connman_ipconfig_set_ops:
 920  * @ipconfig: ipconfig structure
 921  * @ops: operation callbacks
 922  *
 923  * Set the operation callbacks
 924  */
 925 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
 926                                 const struct connman_ipconfig_ops *ops)
 927 {
 928         ipconfig->ops = ops;
 929 }
 930
 931 /**
 932  * connman_ipconfig_set_method:
 933  * @ipconfig: ipconfig structure
 934  * @method: configuration method
 935  *
 936  * Set the configuration method
 937  */
 938 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
 939                                         enum connman_ipconfig_method method)
 940 {
 941         ipconfig->method = method;
 942
 943         return 0;
 944 }
 945
 946 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
 947 {
 948         if (ipconfig == NULL)
 949                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 950
 951         return ipconfig->method;
 952 }
 953
 954 /**
 955  * connman_ipconfig_bind:
 956  * @ipconfig: ipconfig structure
 957  * @ipaddress: ipaddress structure
 958  *
 959  * Bind IP address details to configuration
 960  */
 961 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
 962                                         struct connman_ipaddress *ipaddress)
 963 {
 964         struct connman_ipconfig *origin;
 965
 966         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
 967
 968         connman_ipaddress_copy(origin->address, ipaddress);
 969
 970         connman_inet_set_address(origin->index, origin->address);
 971 }
 972
 973 /* FIXME: The element soulution should be removed in the future */
 974 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
 975                                                 struct connman_element *parent)
 976 {
 977         struct connman_element *connection;
 978
 979         connection = connman_element_create(NULL);
 980
 981         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
 982         connection->index = ipconfig->index;
 983         connection->ipv4.gateway = ipconfig->address->gateway;
 984
 985         if (connman_element_register(connection, parent) < 0)
 986                 connman_element_unref(connection);
 987
 988         return 0;
 989 }
 990
 991 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
 992 {
 993         DBG("");
 994
 995         switch (ipconfig->method) {
 996         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 997         case CONNMAN_IPCONFIG_METHOD_OFF:
 998         case CONNMAN_IPCONFIG_METHOD_FIXED:
 999         case CONNMAN_IPCONFIG_METHOD_DHCP:
1000                 break;
1001         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1002                 return connman_inet_set_address(ipconfig->index,
1003                                                 ipconfig->address);
1004         }
1005
1006         return 0;
1007 }
1008
1009 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1010 {
1011         DBG("");
1012
1013         if (ipconfig == NULL)
1014                 return 0;
1015
1016         DBG("method %d", ipconfig->method);
1017
1018         switch (ipconfig->method) {
1019         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1020         case CONNMAN_IPCONFIG_METHOD_OFF:
1021         case CONNMAN_IPCONFIG_METHOD_FIXED:
1022         case CONNMAN_IPCONFIG_METHOD_DHCP:
1023                 break;
1024         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1025                 return connman_inet_clear_address(ipconfig->index);
1026         }
1027
1028         return 0;
1029
1030 }
1031
1032 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1033 {
1034         struct connman_ipdevice *ipdevice;
1035         gboolean up = FALSE, down = FALSE;
1036         gboolean lower_up = FALSE, lower_down = FALSE;
1037
1038         DBG("ipconfig %p", ipconfig);
1039
1040         if (ipconfig == NULL || ipconfig->index < 0)
1041                 return -ENODEV;
1042
1043         ipdevice = g_hash_table_lookup(ipdevice_hash,
1044                                         GINT_TO_POINTER(ipconfig->index));
1045         if (ipdevice == NULL)
1046                 return -ENXIO;
1047
1048         if (ipdevice->config == ipconfig)
1049                 return -EALREADY;
1050
1051         if (ipdevice->config != NULL) {
1052                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1053
1054                 connman_ipaddress_clear(ipdevice->config->system);
1055
1056                 connman_ipconfig_unref(ipdevice->config);
1057         }
1058
1059         ipdevice->config = connman_ipconfig_ref(ipconfig);
1060
1061         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1062
1063         if (ipdevice->flags & IFF_UP)
1064                 up = TRUE;
1065         else
1066                 down = TRUE;
1067
1068         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1069                         (IFF_RUNNING | IFF_LOWER_UP))
1070                 lower_up = TRUE;
1071         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1072                 lower_down = TRUE;
1073
1074         if (up == TRUE && ipconfig->ops->up)
1075                 ipconfig->ops->up(ipconfig);
1076         if (lower_up == TRUE && ipconfig->ops->lower_up)
1077                 ipconfig->ops->lower_up(ipconfig);
1078
1079         if (lower_down == TRUE && ipconfig->ops->lower_down)
1080                 ipconfig->ops->lower_down(ipconfig);
1081         if (down == TRUE && ipconfig->ops->down)
1082                 ipconfig->ops->down(ipconfig);
1083
1084         return 0;
1085 }
1086
1087 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1088 {
1089         struct connman_ipdevice *ipdevice;
1090
1091         DBG("ipconfig %p", ipconfig);
1092
1093         if (ipconfig == NULL || ipconfig->index < 0)
1094                 return -ENODEV;
1095
1096         ipdevice = g_hash_table_lookup(ipdevice_hash,
1097                                         GINT_TO_POINTER(ipconfig->index));
1098         if (ipdevice == NULL)
1099                 return -ENXIO;
1100
1101         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1102                 return -EINVAL;
1103
1104         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1105
1106         connman_ipaddress_clear(ipdevice->config->system);
1107
1108         connman_ipconfig_unref(ipdevice->config);
1109         ipdevice->config = NULL;
1110
1111         return 0;
1112 }
1113
1114 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1115 {
1116         switch (method) {
1117         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1118                 break;
1119         case CONNMAN_IPCONFIG_METHOD_OFF:
1120                 return "off";
1121         case CONNMAN_IPCONFIG_METHOD_FIXED:
1122                 return "fixed";
1123         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1124                 return "manual";
1125         case CONNMAN_IPCONFIG_METHOD_DHCP:
1126                 return "dhcp";
1127         }
1128
1129         return NULL;
1130 }
1131
1132 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1133 {
1134         if (g_strcmp0(method, "off") == 0)
1135                 return CONNMAN_IPCONFIG_METHOD_OFF;
1136         else if (g_strcmp0(method, "fixed") == 0)
1137                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1138         else if (g_strcmp0(method, "manual") == 0)
1139                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1140         else if (g_strcmp0(method, "dhcp") == 0)
1141                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1142         else
1143                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1144 }
1145
1146 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1147                                                         DBusMessageIter *iter)
1148 {
1149         const char *str;
1150
1151         str = __connman_ipconfig_method2string(ipconfig->method);
1152         if (str == NULL)
1153                 return;
1154
1155         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1156
1157         if (ipconfig->system == NULL)
1158                 return;
1159
1160         if (ipconfig->system->local != NULL) {
1161                 in_addr_t addr;
1162                 struct in_addr netmask;
1163                 char *mask;
1164
1165                 connman_dbus_dict_append_basic(iter, "Address",
1166                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1167
1168                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1169                 netmask.s_addr = htonl(addr);
1170                 mask = inet_ntoa(netmask);
1171                 connman_dbus_dict_append_basic(iter, "Netmask",
1172                                                 DBUS_TYPE_STRING, &mask);
1173         }
1174
1175         if (ipconfig->system->gateway != NULL)
1176                 connman_dbus_dict_append_basic(iter, "Gateway",
1177                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1178 }
1179
1180 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1181                                                         DBusMessageIter *iter)
1182 {
1183         const char *str;
1184
1185         str = __connman_ipconfig_method2string(ipconfig->method);
1186         if (str == NULL)
1187                 return;
1188
1189         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1190
1191         switch (ipconfig->method) {
1192         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1193         case CONNMAN_IPCONFIG_METHOD_OFF:
1194         case CONNMAN_IPCONFIG_METHOD_FIXED:
1195         case CONNMAN_IPCONFIG_METHOD_DHCP:
1196                 return;
1197         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1198                 break;
1199         }
1200
1201         if (ipconfig->address == NULL)
1202                 return;
1203
1204         if (ipconfig->address->local != NULL) {
1205                 in_addr_t addr;
1206                 struct in_addr netmask;
1207                 char *mask;
1208
1209                 connman_dbus_dict_append_basic(iter, "Address",
1210                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1211
1212                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1213                 netmask.s_addr = htonl(addr);
1214                 mask = inet_ntoa(netmask);
1215                 connman_dbus_dict_append_basic(iter, "Netmask",
1216                                                 DBUS_TYPE_STRING, &mask);
1217         }
1218
1219         if (ipconfig->address->gateway != NULL)
1220                 connman_dbus_dict_append_basic(iter, "Gateway",
1221                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1222 }
1223
1224 int __connman_ipconfig_set_ipv4config(struct connman_ipconfig *ipconfig,
1225                                                         DBusMessageIter *array)
1226 {
1227         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1228         const char *address = NULL, *netmask = NULL, *gateway = NULL;
1229         DBusMessageIter dict;
1230
1231         DBG("ipconfig %p", ipconfig);
1232
1233         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1234                 return -EINVAL;
1235
1236         dbus_message_iter_recurse(array, &dict);
1237
1238         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1239                 DBusMessageIter entry;
1240                 const char *key;
1241                 int type;
1242
1243                 dbus_message_iter_recurse(&dict, &entry);
1244
1245                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1246                         return -EINVAL;
1247
1248                 dbus_message_iter_get_basic(&entry, &key);
1249                 dbus_message_iter_next(&entry);
1250
1251                 type = dbus_message_iter_get_arg_type(&entry);
1252
1253                 if (g_str_equal(key, "Method") == TRUE) {
1254                         const char *str;
1255
1256                         if (type != DBUS_TYPE_STRING)
1257                                 return -EINVAL;
1258
1259                         dbus_message_iter_get_basic(&entry, &str);
1260                         method = __connman_ipconfig_string2method(str);
1261                 } else if (g_str_equal(key, "Address") == TRUE) {
1262                         if (type != DBUS_TYPE_STRING)
1263                                 return -EINVAL;
1264
1265                         dbus_message_iter_get_basic(&entry, &address);
1266                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1267                         if (type != DBUS_TYPE_STRING)
1268                                 return -EINVAL;
1269
1270                         dbus_message_iter_get_basic(&entry, &netmask);
1271                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1272                         if (type != DBUS_TYPE_STRING)
1273                                 return -EINVAL;
1274
1275                         dbus_message_iter_get_basic(&entry, &gateway);
1276                 }
1277                 dbus_message_iter_next(&dict);
1278         }
1279
1280         DBG("method %d address %s netmask %s gateway %s",
1281                                 method, address, netmask, gateway);
1282
1283         switch (method) {
1284         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1285         case CONNMAN_IPCONFIG_METHOD_OFF:
1286         case CONNMAN_IPCONFIG_METHOD_FIXED:
1287                 return -EINVAL;
1288
1289         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1290                 if (address == NULL)
1291                         return -EINVAL;
1292
1293                 ipconfig->method = method;
1294                 connman_ipaddress_set(ipconfig->address,
1295                                 address, netmask, gateway);
1296                 break;
1297
1298         case CONNMAN_IPCONFIG_METHOD_DHCP:
1299                 if (ipconfig->method == method)
1300                         return 0;
1301
1302                 ipconfig->method = method;
1303                 break;
1304         }
1305
1306         return 0;
1307 }
1308
1309 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1310                                                         DBusMessageIter *iter)
1311 {
1312         const char *method = "direct";
1313
1314         connman_dbus_dict_append_basic(iter, "Method",
1315                                                 DBUS_TYPE_STRING, &method);
1316 }
1317
1318 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1319                                                         DBusMessageIter *iter)
1320 {
1321         struct connman_ipdevice *ipdevice;
1322         const char *method = "auto";
1323
1324         connman_dbus_dict_append_basic(iter, "Method",
1325                                                 DBUS_TYPE_STRING, &method);
1326
1327         ipdevice = g_hash_table_lookup(ipdevice_hash,
1328                                         GINT_TO_POINTER(ipconfig->index));
1329         if (ipdevice == NULL)
1330                 return;
1331
1332         if (ipdevice->ifname != NULL)
1333                 connman_dbus_dict_append_basic(iter, "Interface",
1334                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1335
1336         if (ipdevice->address != NULL)
1337                 connman_dbus_dict_append_basic(iter, "Address",
1338                                         DBUS_TYPE_STRING, &ipdevice->address);
1339
1340         if (ipdevice->mtu > 0)
1341                 connman_dbus_dict_append_basic(iter, "MTU",
1342                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1343 }
1344
1345 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1346                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1347 {
1348         const char *method;
1349         char *key;
1350
1351         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1352
1353         key = g_strdup_printf("%smethod", prefix);
1354         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1355         if (method == NULL)
1356                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1357         else
1358                 ipconfig->method = __connman_ipconfig_string2method(method);
1359         g_free(key);
1360
1361         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1362         ipconfig->address->prefixlen = g_key_file_get_integer(
1363                                 keyfile, identifier, key, NULL);
1364         g_free(key);
1365
1366         key = g_strdup_printf("%slocal_address", prefix);
1367         ipconfig->address->local = g_key_file_get_string(
1368                         keyfile, identifier, key, NULL);
1369         g_free(key);
1370
1371         key = g_strdup_printf("%speer_address", prefix);
1372         ipconfig->address->peer = g_key_file_get_string(
1373                                 keyfile, identifier, key, NULL);
1374         g_free(key);
1375
1376         key = g_strdup_printf("%sbroadcast_address", prefix);
1377         ipconfig->address->broadcast = g_key_file_get_string(
1378                                 keyfile, identifier, key, NULL);
1379         g_free(key);
1380
1381         key = g_strdup_printf("%sgateway", prefix);
1382         ipconfig->address->gateway = g_key_file_get_string(
1383                                 keyfile, identifier, key, NULL);
1384         g_free(key);
1385
1386         return 0;
1387 }
1388
1389 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1390                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1391 {
1392         const char *method;
1393         char *key;
1394
1395         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1396
1397         method = __connman_ipconfig_method2string(ipconfig->method);
1398
1399         key = g_strdup_printf("%smethod", prefix);
1400         g_key_file_set_string(keyfile, identifier, key, method);
1401         g_free(key);
1402
1403         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1404         g_key_file_set_integer(keyfile, identifier,
1405                         key, ipconfig->address->prefixlen);
1406         g_free(key);
1407
1408         key = g_strdup_printf("%slocal_address", prefix);
1409         if (ipconfig->address->local != NULL)
1410                 g_key_file_set_string(keyfile, identifier,
1411                                 key, ipconfig->address->local);
1412         g_free(key);
1413
1414         key = g_strdup_printf("%speer_address", prefix);
1415         if (ipconfig->address->peer != NULL)
1416                 g_key_file_set_string(keyfile, identifier,
1417                                 key, ipconfig->address->peer);
1418         g_free(key);
1419
1420         key = g_strdup_printf("%sbroadcast_address", prefix);
1421         if (ipconfig->address->broadcast != NULL)
1422                 g_key_file_set_string(keyfile, identifier,
1423                         key, ipconfig->address->broadcast);
1424         g_free(key);
1425
1426         key = g_strdup_printf("%sgateway", prefix);
1427         if (ipconfig->address->gateway != NULL)
1428                 g_key_file_set_string(keyfile, identifier,
1429                         key, ipconfig->address->gateway);
1430         g_free(key);
1431
1432         return 0;
1433 }
1434
1435 int __connman_ipconfig_init(void)
1436 {
1437         DBG("");
1438
1439         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1440                                                         NULL, free_ipdevice);
1441
1442         return 0;
1443 }
1444
1445 void __connman_ipconfig_cleanup(void)
1446 {
1447         DBG("");
1448
1449         g_hash_table_destroy(ipdevice_hash);
1450         ipdevice_hash = NULL;
1451 }