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         if (ipdevice->gateway != NULL)
 750                 return ipdevice->gateway;
 751
 752         if (ipdevice->config != NULL &&
 753                         ipdevice->config->address != NULL)
 754                 return ipdevice->config->address->gateway;
 755
 756         return NULL;
 757 }
 758
 759 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 760 {
 761         ipconfig->index = index;
 762 }
 763
 764 /**
 765  * connman_ipconfig_create:
 766  *
 767  * Allocate a new ipconfig structure.
 768  *
 769  * Returns: a newly-allocated #connman_ipconfig structure
 770  */
 771 struct connman_ipconfig *connman_ipconfig_create(int index)
 772 {
 773         struct connman_ipconfig *ipconfig;
 774
 775         DBG("index %d", index);
 776
 777         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 778         if (ipconfig == NULL)
 779                 return NULL;
 780
 781         ipconfig->refcount = 1;
 782
 783         ipconfig->index = index;
 784
 785         ipconfig->address = connman_ipaddress_alloc();
 786         if (ipconfig->address == NULL) {
 787                 g_free(ipconfig);
 788                 return NULL;
 789         }
 790
 791         ipconfig->system = connman_ipaddress_alloc();
 792
 793         DBG("ipconfig %p", ipconfig);
 794
 795         return ipconfig;
 796 }
 797
 798 /**
 799  * connman_ipconfig_clone:
 800  *
 801  * Clone an ipconfig structure and create new reference.
 802  *
 803  * Returns: a newly-allocated #connman_ipconfig structure
 804  */
 805 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 806 {
 807         struct connman_ipconfig *ipconfig_clone;
 808
 809         DBG("ipconfig %p", ipconfig);
 810
 811         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 812         if (ipconfig_clone == NULL)
 813                 return NULL;
 814
 815         ipconfig_clone->refcount = 1;
 816
 817         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 818
 819         ipconfig_clone->index = -1;
 820
 821         return ipconfig_clone;
 822 }
 823
 824 /**
 825  * connman_ipconfig_ref:
 826  * @ipconfig: ipconfig structure
 827  *
 828  * Increase reference counter of ipconfig
 829  */
 830 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 831 {
 832         g_atomic_int_inc(&ipconfig->refcount);
 833
 834         return ipconfig;
 835 }
 836
 837 /**
 838  * connman_ipconfig_unref:
 839  * @ipconfig: ipconfig structure
 840  *
 841  * Decrease reference counter of ipconfig
 842  */
 843 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 844 {
 845         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 846                 __connman_ipconfig_disable(ipconfig);
 847
 848                 connman_ipconfig_set_ops(ipconfig, NULL);
 849
 850                 if (ipconfig->origin != NULL) {
 851                         connman_ipconfig_unref(ipconfig->origin);
 852                         ipconfig->origin = NULL;
 853                 }
 854
 855                 connman_ipaddress_free(ipconfig->system);
 856                 connman_ipaddress_free(ipconfig->address);
 857                 g_free(ipconfig);
 858         }
 859 }
 860
 861 /**
 862  * connman_ipconfig_get_data:
 863  * @ipconfig: ipconfig structure
 864  *
 865  * Get private data pointer
 866  */
 867 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 868 {
 869         return ipconfig->ops_data;
 870 }
 871
 872 /**
 873  * connman_ipconfig_set_data:
 874  * @ipconfig: ipconfig structure
 875  * @data: data pointer
 876  *
 877  * Set private data pointer
 878  */
 879 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
 880 {
 881         ipconfig->ops_data = data;
 882 }
 883
 884 /**
 885  * connman_ipconfig_get_index:
 886  * @ipconfig: ipconfig structure
 887  *
 888  * Get interface index
 889  */
 890 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 891 {
 892         if (ipconfig == NULL)
 893                 return -1;
 894
 895         if (ipconfig->origin != NULL)
 896                 return ipconfig->origin->index;
 897
 898         return ipconfig->index;
 899 }
 900
 901 /**
 902  * connman_ipconfig_get_ifname:
 903  * @ipconfig: ipconfig structure
 904  *
 905  * Get interface name
 906  */
 907 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
 908 {
 909         struct connman_ipdevice *ipdevice;
 910
 911         if (ipconfig == NULL)
 912                 return NULL;
 913
 914         if (ipconfig->index < 0)
 915                 return NULL;
 916
 917         ipdevice = g_hash_table_lookup(ipdevice_hash,
 918                                         GINT_TO_POINTER(ipconfig->index));
 919         if (ipdevice == NULL)
 920                 return NULL;
 921
 922         return ipdevice->ifname;
 923 }
 924
 925 /**
 926  * connman_ipconfig_set_ops:
 927  * @ipconfig: ipconfig structure
 928  * @ops: operation callbacks
 929  *
 930  * Set the operation callbacks
 931  */
 932 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
 933                                 const struct connman_ipconfig_ops *ops)
 934 {
 935         ipconfig->ops = ops;
 936 }
 937
 938 /**
 939  * connman_ipconfig_set_method:
 940  * @ipconfig: ipconfig structure
 941  * @method: configuration method
 942  *
 943  * Set the configuration method
 944  */
 945 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
 946                                         enum connman_ipconfig_method method)
 947 {
 948         ipconfig->method = method;
 949
 950         return 0;
 951 }
 952
 953 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
 954 {
 955         if (ipconfig == NULL)
 956                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 957
 958         return ipconfig->method;
 959 }
 960
 961 /**
 962  * connman_ipconfig_bind:
 963  * @ipconfig: ipconfig structure
 964  * @ipaddress: ipaddress structure
 965  *
 966  * Bind IP address details to configuration
 967  */
 968 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
 969                                         struct connman_ipaddress *ipaddress)
 970 {
 971         struct connman_ipconfig *origin;
 972
 973         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
 974
 975         connman_ipaddress_copy(origin->address, ipaddress);
 976
 977         connman_inet_set_address(origin->index, origin->address);
 978 }
 979
 980 /* FIXME: The element soulution should be removed in the future */
 981 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
 982                                                 struct connman_element *parent)
 983 {
 984         struct connman_element *connection;
 985
 986         connection = connman_element_create(NULL);
 987
 988         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
 989         connection->index = ipconfig->index;
 990         connection->ipv4.gateway = ipconfig->address->gateway;
 991
 992         if (connman_element_register(connection, parent) < 0)
 993                 connman_element_unref(connection);
 994
 995         return 0;
 996 }
 997
 998 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
 999 {
1000         DBG("");
1001
1002         switch (ipconfig->method) {
1003         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1004         case CONNMAN_IPCONFIG_METHOD_OFF:
1005         case CONNMAN_IPCONFIG_METHOD_FIXED:
1006         case CONNMAN_IPCONFIG_METHOD_DHCP:
1007                 break;
1008         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1009                 return connman_inet_set_address(ipconfig->index,
1010                                                 ipconfig->address);
1011         }
1012
1013         return 0;
1014 }
1015
1016 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1017 {
1018         DBG("");
1019
1020         if (ipconfig == NULL)
1021                 return 0;
1022
1023         DBG("method %d", ipconfig->method);
1024
1025         switch (ipconfig->method) {
1026         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1027         case CONNMAN_IPCONFIG_METHOD_OFF:
1028         case CONNMAN_IPCONFIG_METHOD_FIXED:
1029         case CONNMAN_IPCONFIG_METHOD_DHCP:
1030                 break;
1031         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1032                 return connman_inet_clear_address(ipconfig->index);
1033         }
1034
1035         return 0;
1036
1037 }
1038
1039 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1040 {
1041         struct connman_ipdevice *ipdevice;
1042         gboolean up = FALSE, down = FALSE;
1043         gboolean lower_up = FALSE, lower_down = FALSE;
1044
1045         DBG("ipconfig %p", ipconfig);
1046
1047         if (ipconfig == NULL || ipconfig->index < 0)
1048                 return -ENODEV;
1049
1050         ipdevice = g_hash_table_lookup(ipdevice_hash,
1051                                         GINT_TO_POINTER(ipconfig->index));
1052         if (ipdevice == NULL)
1053                 return -ENXIO;
1054
1055         if (ipdevice->config == ipconfig)
1056                 return -EALREADY;
1057
1058         if (ipdevice->config != NULL) {
1059                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1060
1061                 connman_ipaddress_clear(ipdevice->config->system);
1062
1063                 connman_ipconfig_unref(ipdevice->config);
1064         }
1065
1066         ipdevice->config = connman_ipconfig_ref(ipconfig);
1067
1068         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1069
1070         if (ipdevice->flags & IFF_UP)
1071                 up = TRUE;
1072         else
1073                 down = TRUE;
1074
1075         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1076                         (IFF_RUNNING | IFF_LOWER_UP))
1077                 lower_up = TRUE;
1078         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1079                 lower_down = TRUE;
1080
1081         if (up == TRUE && ipconfig->ops->up)
1082                 ipconfig->ops->up(ipconfig);
1083         if (lower_up == TRUE && ipconfig->ops->lower_up)
1084                 ipconfig->ops->lower_up(ipconfig);
1085
1086         if (lower_down == TRUE && ipconfig->ops->lower_down)
1087                 ipconfig->ops->lower_down(ipconfig);
1088         if (down == TRUE && ipconfig->ops->down)
1089                 ipconfig->ops->down(ipconfig);
1090
1091         return 0;
1092 }
1093
1094 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1095 {
1096         struct connman_ipdevice *ipdevice;
1097
1098         DBG("ipconfig %p", ipconfig);
1099
1100         if (ipconfig == NULL || ipconfig->index < 0)
1101                 return -ENODEV;
1102
1103         ipdevice = g_hash_table_lookup(ipdevice_hash,
1104                                         GINT_TO_POINTER(ipconfig->index));
1105         if (ipdevice == NULL)
1106                 return -ENXIO;
1107
1108         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1109                 return -EINVAL;
1110
1111         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1112
1113         connman_ipaddress_clear(ipdevice->config->system);
1114
1115         connman_ipconfig_unref(ipdevice->config);
1116         ipdevice->config = NULL;
1117
1118         return 0;
1119 }
1120
1121 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1122 {
1123         switch (method) {
1124         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1125                 break;
1126         case CONNMAN_IPCONFIG_METHOD_OFF:
1127                 return "off";
1128         case CONNMAN_IPCONFIG_METHOD_FIXED:
1129                 return "fixed";
1130         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1131                 return "manual";
1132         case CONNMAN_IPCONFIG_METHOD_DHCP:
1133                 return "dhcp";
1134         }
1135
1136         return NULL;
1137 }
1138
1139 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1140 {
1141         if (g_strcmp0(method, "off") == 0)
1142                 return CONNMAN_IPCONFIG_METHOD_OFF;
1143         else if (g_strcmp0(method, "fixed") == 0)
1144                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1145         else if (g_strcmp0(method, "manual") == 0)
1146                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1147         else if (g_strcmp0(method, "dhcp") == 0)
1148                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1149         else
1150                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1151 }
1152
1153 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1154                                                         DBusMessageIter *iter)
1155 {
1156         const char *str;
1157
1158         str = __connman_ipconfig_method2string(ipconfig->method);
1159         if (str == NULL)
1160                 return;
1161
1162         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1163
1164         if (ipconfig->system == NULL)
1165                 return;
1166
1167         if (ipconfig->system->local != NULL) {
1168                 in_addr_t addr;
1169                 struct in_addr netmask;
1170                 char *mask;
1171
1172                 connman_dbus_dict_append_basic(iter, "Address",
1173                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1174
1175                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1176                 netmask.s_addr = htonl(addr);
1177                 mask = inet_ntoa(netmask);
1178                 connman_dbus_dict_append_basic(iter, "Netmask",
1179                                                 DBUS_TYPE_STRING, &mask);
1180         }
1181
1182         if (ipconfig->system->gateway != NULL)
1183                 connman_dbus_dict_append_basic(iter, "Gateway",
1184                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1185 }
1186
1187 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1188                                                         DBusMessageIter *iter)
1189 {
1190         const char *str;
1191
1192         str = __connman_ipconfig_method2string(ipconfig->method);
1193         if (str == NULL)
1194                 return;
1195
1196         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1197
1198         switch (ipconfig->method) {
1199         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1200         case CONNMAN_IPCONFIG_METHOD_OFF:
1201         case CONNMAN_IPCONFIG_METHOD_FIXED:
1202         case CONNMAN_IPCONFIG_METHOD_DHCP:
1203                 return;
1204         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1205                 break;
1206         }
1207
1208         if (ipconfig->address == NULL)
1209                 return;
1210
1211         if (ipconfig->address->local != NULL) {
1212                 in_addr_t addr;
1213                 struct in_addr netmask;
1214                 char *mask;
1215
1216                 connman_dbus_dict_append_basic(iter, "Address",
1217                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1218
1219                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1220                 netmask.s_addr = htonl(addr);
1221                 mask = inet_ntoa(netmask);
1222                 connman_dbus_dict_append_basic(iter, "Netmask",
1223                                                 DBUS_TYPE_STRING, &mask);
1224         }
1225
1226         if (ipconfig->address->gateway != NULL)
1227                 connman_dbus_dict_append_basic(iter, "Gateway",
1228                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1229 }
1230
1231 int __connman_ipconfig_set_ipv4config(struct connman_ipconfig *ipconfig,
1232                                                         DBusMessageIter *array)
1233 {
1234         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1235         const char *address = NULL, *netmask = NULL, *gateway = NULL;
1236         DBusMessageIter dict;
1237
1238         DBG("ipconfig %p", ipconfig);
1239
1240         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1241                 return -EINVAL;
1242
1243         dbus_message_iter_recurse(array, &dict);
1244
1245         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1246                 DBusMessageIter entry;
1247                 const char *key;
1248                 int type;
1249
1250                 dbus_message_iter_recurse(&dict, &entry);
1251
1252                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1253                         return -EINVAL;
1254
1255                 dbus_message_iter_get_basic(&entry, &key);
1256                 dbus_message_iter_next(&entry);
1257
1258                 type = dbus_message_iter_get_arg_type(&entry);
1259
1260                 if (g_str_equal(key, "Method") == TRUE) {
1261                         const char *str;
1262
1263                         if (type != DBUS_TYPE_STRING)
1264                                 return -EINVAL;
1265
1266                         dbus_message_iter_get_basic(&entry, &str);
1267                         method = __connman_ipconfig_string2method(str);
1268                 } else if (g_str_equal(key, "Address") == TRUE) {
1269                         if (type != DBUS_TYPE_STRING)
1270                                 return -EINVAL;
1271
1272                         dbus_message_iter_get_basic(&entry, &address);
1273                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1274                         if (type != DBUS_TYPE_STRING)
1275                                 return -EINVAL;
1276
1277                         dbus_message_iter_get_basic(&entry, &netmask);
1278                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1279                         if (type != DBUS_TYPE_STRING)
1280                                 return -EINVAL;
1281
1282                         dbus_message_iter_get_basic(&entry, &gateway);
1283                 }
1284                 dbus_message_iter_next(&dict);
1285         }
1286
1287         DBG("method %d address %s netmask %s gateway %s",
1288                                 method, address, netmask, gateway);
1289
1290         switch (method) {
1291         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1292         case CONNMAN_IPCONFIG_METHOD_OFF:
1293         case CONNMAN_IPCONFIG_METHOD_FIXED:
1294                 return -EINVAL;
1295
1296         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1297                 if (address == NULL)
1298                         return -EINVAL;
1299
1300                 ipconfig->method = method;
1301                 connman_ipaddress_set(ipconfig->address,
1302                                 address, netmask, gateway);
1303                 break;
1304
1305         case CONNMAN_IPCONFIG_METHOD_DHCP:
1306                 if (ipconfig->method == method)
1307                         return 0;
1308
1309                 ipconfig->method = method;
1310                 break;
1311         }
1312
1313         return 0;
1314 }
1315
1316 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1317                                                         DBusMessageIter *iter)
1318 {
1319         const char *method = "direct";
1320
1321         connman_dbus_dict_append_basic(iter, "Method",
1322                                                 DBUS_TYPE_STRING, &method);
1323 }
1324
1325 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1326                                                         DBusMessageIter *iter)
1327 {
1328         struct connman_ipdevice *ipdevice;
1329         const char *method = "auto";
1330
1331         connman_dbus_dict_append_basic(iter, "Method",
1332                                                 DBUS_TYPE_STRING, &method);
1333
1334         ipdevice = g_hash_table_lookup(ipdevice_hash,
1335                                         GINT_TO_POINTER(ipconfig->index));
1336         if (ipdevice == NULL)
1337                 return;
1338
1339         if (ipdevice->ifname != NULL)
1340                 connman_dbus_dict_append_basic(iter, "Interface",
1341                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1342
1343         if (ipdevice->address != NULL)
1344                 connman_dbus_dict_append_basic(iter, "Address",
1345                                         DBUS_TYPE_STRING, &ipdevice->address);
1346
1347         if (ipdevice->mtu > 0)
1348                 connman_dbus_dict_append_basic(iter, "MTU",
1349                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1350 }
1351
1352 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1353                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1354 {
1355         const char *method;
1356         char *key;
1357
1358         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1359
1360         key = g_strdup_printf("%smethod", prefix);
1361         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1362         if (method == NULL)
1363                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1364         else
1365                 ipconfig->method = __connman_ipconfig_string2method(method);
1366         g_free(key);
1367
1368         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1369         ipconfig->address->prefixlen = g_key_file_get_integer(
1370                                 keyfile, identifier, key, NULL);
1371         g_free(key);
1372
1373         key = g_strdup_printf("%slocal_address", prefix);
1374         ipconfig->address->local = g_key_file_get_string(
1375                         keyfile, identifier, key, NULL);
1376         g_free(key);
1377
1378         key = g_strdup_printf("%speer_address", prefix);
1379         ipconfig->address->peer = g_key_file_get_string(
1380                                 keyfile, identifier, key, NULL);
1381         g_free(key);
1382
1383         key = g_strdup_printf("%sbroadcast_address", prefix);
1384         ipconfig->address->broadcast = g_key_file_get_string(
1385                                 keyfile, identifier, key, NULL);
1386         g_free(key);
1387
1388         key = g_strdup_printf("%sgateway", prefix);
1389         ipconfig->address->gateway = g_key_file_get_string(
1390                                 keyfile, identifier, key, NULL);
1391         g_free(key);
1392
1393         return 0;
1394 }
1395
1396 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1397                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1398 {
1399         const char *method;
1400         char *key;
1401
1402         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1403
1404         method = __connman_ipconfig_method2string(ipconfig->method);
1405
1406         key = g_strdup_printf("%smethod", prefix);
1407         g_key_file_set_string(keyfile, identifier, key, method);
1408         g_free(key);
1409
1410         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1411         g_key_file_set_integer(keyfile, identifier,
1412                         key, ipconfig->address->prefixlen);
1413         g_free(key);
1414
1415         key = g_strdup_printf("%slocal_address", prefix);
1416         if (ipconfig->address->local != NULL)
1417                 g_key_file_set_string(keyfile, identifier,
1418                                 key, ipconfig->address->local);
1419         g_free(key);
1420
1421         key = g_strdup_printf("%speer_address", prefix);
1422         if (ipconfig->address->peer != NULL)
1423                 g_key_file_set_string(keyfile, identifier,
1424                                 key, ipconfig->address->peer);
1425         g_free(key);
1426
1427         key = g_strdup_printf("%sbroadcast_address", prefix);
1428         if (ipconfig->address->broadcast != NULL)
1429                 g_key_file_set_string(keyfile, identifier,
1430                         key, ipconfig->address->broadcast);
1431         g_free(key);
1432
1433         key = g_strdup_printf("%sgateway", prefix);
1434         if (ipconfig->address->gateway != NULL)
1435                 g_key_file_set_string(keyfile, identifier,
1436                         key, ipconfig->address->gateway);
1437         g_free(key);
1438
1439         return 0;
1440 }
1441
1442 int __connman_ipconfig_init(void)
1443 {
1444         DBG("");
1445
1446         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1447                                                         NULL, free_ipdevice);
1448
1449         return 0;
1450 }
1451
1452 void __connman_ipconfig_cleanup(void)
1453 {
1454         DBG("");
1455
1456         g_hash_table_destroy(ipdevice_hash);
1457         ipdevice_hash = NULL;
1458 }