src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2013  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 <errno.h>
  27 #include <stdio.h>
  28 #include <net/if.h>
  29 #include <net/if_arp.h>
  30 #include <linux/if_link.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33
  34 #ifndef IFF_LOWER_UP
  35 #define IFF_LOWER_UP    0x10000
  36 #endif
  37
  38 #include <gdbus.h>
  39 #include <connman/ipaddress.h>
  40
  41 #include "connman.h"
  42
  43 struct connman_ipconfig {
  44         int refcount;
  45         int index;
  46         enum connman_ipconfig_type type;
  47
  48         const struct connman_ipconfig_ops *ops;
  49         void *ops_data;
  50
  51         enum connman_ipconfig_method method;
  52         struct connman_ipaddress *address;
  53         struct connman_ipaddress *system;
  54
  55 #if defined TIZEN_EXT
  56         int dhcp_lease_duration;
  57 #endif
  58
  59         int ipv6_privacy_config;
  60         char *last_dhcp_address;
  61         char **last_dhcpv6_prefixes;
  62 };
  63
  64 struct connman_ipdevice {
  65         int index;
  66         unsigned short type;
  67         unsigned int flags;
  68         char *address;
  69         uint16_t mtu;
  70         uint32_t rx_packets;
  71         uint32_t tx_packets;
  72         uint32_t rx_bytes;
  73         uint32_t tx_bytes;
  74         uint32_t rx_errors;
  75         uint32_t tx_errors;
  76         uint32_t rx_dropped;
  77         uint32_t tx_dropped;
  78
  79         GSList *address_list;
  80         char *ipv4_gateway;
  81         char *ipv6_gateway;
  82
  83         char *pac;
  84
  85         struct connman_ipconfig *config_ipv4;
  86         struct connman_ipconfig *config_ipv6;
  87
  88         bool ipv6_enabled;
  89         int ipv6_privacy;
  90 };
  91
  92 static GHashTable *ipdevice_hash = NULL;
  93 static GList *ipconfig_list = NULL;
  94 static bool is_ipv6_supported = false;
  95
  96 void __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
  97 {
  98         if (!ipconfig)
  99                 return;
 100
 101         connman_ipaddress_clear(ipconfig->address);
 102 }
 103
 104 static void free_address_list(struct connman_ipdevice *ipdevice)
 105 {
 106         GSList *list;
 107
 108         for (list = ipdevice->address_list; list; list = list->next) {
 109                 struct connman_ipaddress *ipaddress = list->data;
 110
 111                 connman_ipaddress_free(ipaddress);
 112                 list->data = NULL;
 113         }
 114
 115         g_slist_free(ipdevice->address_list);
 116         ipdevice->address_list = NULL;
 117 }
 118
 119 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 120                                 unsigned char prefixlen, const char *local)
 121 {
 122         GSList *list;
 123
 124         for (list = ipdevice->address_list; list; list = list->next) {
 125                 struct connman_ipaddress *ipaddress = list->data;
 126
 127                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 128                                         ipaddress->prefixlen == prefixlen)
 129                         return ipaddress;
 130         }
 131
 132         return NULL;
 133 }
 134
 135 const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
 136 {
 137         switch (type) {
 138         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 139         case CONNMAN_IPCONFIG_TYPE_ALL:
 140                 return "unknown";
 141         case CONNMAN_IPCONFIG_TYPE_IPV4:
 142                 return "IPv4";
 143         case CONNMAN_IPCONFIG_TYPE_IPV6:
 144                 return "IPv6";
 145         }
 146
 147         return NULL;
 148 }
 149
 150 static const char *type2str(unsigned short type)
 151 {
 152         switch (type) {
 153         case ARPHRD_ETHER:
 154                 return "ETHER";
 155         case ARPHRD_LOOPBACK:
 156                 return "LOOPBACK";
 157         case ARPHRD_PPP:
 158                 return "PPP";
 159         case ARPHRD_NONE:
 160                 return "NONE";
 161         case ARPHRD_VOID:
 162                 return "VOID";
 163         }
 164
 165         return "";
 166 }
 167
 168 static const char *scope2str(unsigned char scope)
 169 {
 170         switch (scope) {
 171         case 0:
 172                 return "UNIVERSE";
 173         case 253:
 174                 return "LINK";
 175         }
 176
 177         return "";
 178 }
 179
 180 static bool get_ipv6_state(gchar *ifname)
 181 {
 182         int disabled;
 183         gchar *path;
 184         FILE *f;
 185         bool enabled = false;
 186
 187         if (!ifname)
 188                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 189         else
 190                 path = g_strdup_printf(
 191                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 192
 193         if (!path)
 194                 return enabled;
 195
 196         f = fopen(path, "r");
 197
 198         g_free(path);
 199
 200         if (f) {
 201                 if (fscanf(f, "%d", &disabled) > 0)
 202                         enabled = !disabled;
 203                 fclose(f);
 204         }
 205
 206         return enabled;
 207 }
 208
 209 static void set_ipv6_state(gchar *ifname, bool enable)
 210 {
 211         gchar *path;
 212         FILE *f;
 213
 214         if (!ifname)
 215                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 216         else
 217                 path = g_strdup_printf(
 218                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 219
 220         if (!path)
 221                 return;
 222
 223         f = fopen(path, "r+");
 224
 225         g_free(path);
 226
 227         if (!f)
 228                 return;
 229
 230         if (!enable)
 231                 fprintf(f, "1");
 232         else
 233                 fprintf(f, "0");
 234
 235         fclose(f);
 236 }
 237
 238 static int get_ipv6_privacy(gchar *ifname)
 239 {
 240         gchar *path;
 241         FILE *f;
 242         int value;
 243
 244         if (!ifname)
 245                 return 0;
 246
 247         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 248                                                                 ifname);
 249
 250         if (!path)
 251                 return 0;
 252
 253         f = fopen(path, "r");
 254
 255         g_free(path);
 256
 257         if (!f)
 258                 return 0;
 259
 260         if (fscanf(f, "%d", &value) <= 0)
 261                 value = 0;
 262
 263         fclose(f);
 264
 265         return value;
 266 }
 267
 268 /* Enable the IPv6 privacy extension for stateless address autoconfiguration.
 269  * The privacy extension is described in RFC 3041 and RFC 4941
 270  */
 271 static void set_ipv6_privacy(gchar *ifname, int value)
 272 {
 273         gchar *path;
 274         FILE *f;
 275
 276         if (!ifname)
 277                 return;
 278
 279         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 280                                                                 ifname);
 281
 282         if (!path)
 283                 return;
 284
 285         if (value < 0)
 286                 value = 0;
 287
 288         f = fopen(path, "r+");
 289
 290         g_free(path);
 291
 292         if (!f)
 293                 return;
 294
 295         fprintf(f, "%d", value);
 296         fclose(f);
 297 }
 298
 299 static int get_rp_filter(void)
 300 {
 301         FILE *f;
 302         int value = -EINVAL, tmp;
 303
 304         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
 305
 306         if (f) {
 307                 if (fscanf(f, "%d", &tmp) == 1)
 308                         value = tmp;
 309                 fclose(f);
 310         }
 311
 312         return value;
 313 }
 314
 315 static void set_rp_filter(int value)
 316 {
 317         FILE *f;
 318
 319         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 320
 321         if (!f)
 322                 return;
 323
 324         fprintf(f, "%d", value);
 325
 326         fclose(f);
 327 }
 328
 329 int __connman_ipconfig_set_rp_filter()
 330 {
 331         int value;
 332
 333         value = get_rp_filter();
 334
 335         if (value < 0)
 336                 return value;
 337
 338         set_rp_filter(2);
 339
 340         connman_info("rp_filter set to 2 (loose mode routing), "
 341                         "old value was %d", value);
 342
 343         return value;
 344 }
 345
 346 void __connman_ipconfig_unset_rp_filter(int old_value)
 347 {
 348         set_rp_filter(old_value);
 349
 350         connman_info("rp_filter restored to %d", old_value);
 351 }
 352
 353 bool __connman_ipconfig_ipv6_privacy_enabled(struct connman_ipconfig *ipconfig)
 354 {
 355         if (!ipconfig)
 356                 return false;
 357
 358         return ipconfig->ipv6_privacy_config == 0 ? FALSE : TRUE;
 359 }
 360
 361 bool __connman_ipconfig_ipv6_is_enabled(struct connman_ipconfig *ipconfig)
 362 {
 363         struct connman_ipdevice *ipdevice;
 364         char *ifname;
 365         bool ret;
 366
 367         if (!ipconfig)
 368                 return false;
 369
 370         ipdevice = g_hash_table_lookup(ipdevice_hash,
 371                                         GINT_TO_POINTER(ipconfig->index));
 372         if (!ipdevice)
 373                 return false;
 374
 375         ifname = connman_inet_ifname(ipconfig->index);
 376         ret = get_ipv6_state(ifname);
 377         g_free(ifname);
 378
 379         return ret;
 380 }
 381
 382 static void free_ipdevice(gpointer data)
 383 {
 384         struct connman_ipdevice *ipdevice = data;
 385         char *ifname = connman_inet_ifname(ipdevice->index);
 386
 387         connman_info("%s {remove} index %d", ifname, ipdevice->index);
 388
 389         if (ipdevice->config_ipv4) {
 390                 __connman_ipconfig_unref(ipdevice->config_ipv4);
 391                 ipdevice->config_ipv4 = NULL;
 392         }
 393
 394         if (ipdevice->config_ipv6) {
 395                 __connman_ipconfig_unref(ipdevice->config_ipv6);
 396                 ipdevice->config_ipv6 = NULL;
 397         }
 398
 399         free_address_list(ipdevice);
 400         g_free(ipdevice->ipv4_gateway);
 401         g_free(ipdevice->ipv6_gateway);
 402         g_free(ipdevice->pac);
 403
 404         g_free(ipdevice->address);
 405
 406         if (ifname) {
 407                 set_ipv6_state(ifname, ipdevice->ipv6_enabled);
 408                 set_ipv6_privacy(ifname, ipdevice->ipv6_privacy);
 409         }
 410
 411         g_free(ifname);
 412         g_free(ipdevice);
 413 }
 414
 415 static void update_stats(struct connman_ipdevice *ipdevice,
 416                         const char *ifname, struct rtnl_link_stats *stats)
 417 {
 418         struct connman_service *service;
 419
 420         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 421                 return;
 422
 423         connman_info("%s {RX} %u packets %u bytes", ifname,
 424                                         stats->rx_packets, stats->rx_bytes);
 425         connman_info("%s {TX} %u packets %u bytes", ifname,
 426                                         stats->tx_packets, stats->tx_bytes);
 427
 428         if (!ipdevice->config_ipv4 && !ipdevice->config_ipv6)
 429                 return;
 430
 431         service = __connman_service_lookup_from_index(ipdevice->index);
 432
 433         DBG("service %p", service);
 434
 435         if (!service)
 436                 return;
 437
 438         ipdevice->rx_packets = stats->rx_packets;
 439         ipdevice->tx_packets = stats->tx_packets;
 440         ipdevice->rx_bytes = stats->rx_bytes;
 441         ipdevice->tx_bytes = stats->tx_bytes;
 442         ipdevice->rx_errors = stats->rx_errors;
 443         ipdevice->tx_errors = stats->tx_errors;
 444         ipdevice->rx_dropped = stats->rx_dropped;
 445         ipdevice->tx_dropped = stats->tx_dropped;
 446
 447         __connman_service_notify(service,
 448                                 ipdevice->rx_packets, ipdevice->tx_packets,
 449                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 450                                 ipdevice->rx_errors, ipdevice->tx_errors,
 451                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 452 }
 453
 454 void __connman_ipconfig_newlink(int index, unsigned short type,
 455                                 unsigned int flags, const char *address,
 456                                                         unsigned short mtu,
 457                                                 struct rtnl_link_stats *stats)
 458 {
 459         struct connman_ipdevice *ipdevice;
 460         GList *list, *ipconfig_copy;
 461         GString *str;
 462         bool up = false, down = false;
 463         bool lower_up = false, lower_down = false;
 464         char *ifname;
 465
 466         DBG("index %d", index);
 467
 468         if (type == ARPHRD_LOOPBACK)
 469                 return;
 470
 471         ifname = connman_inet_ifname(index);
 472
 473         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 474         if (ipdevice)
 475                 goto update;
 476
 477         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 478         if (!ipdevice)
 479                 goto out;
 480
 481         ipdevice->index = index;
 482         ipdevice->type = type;
 483
 484         ipdevice->ipv6_enabled = get_ipv6_state(ifname);
 485         ipdevice->ipv6_privacy = get_ipv6_privacy(ifname);
 486
 487         ipdevice->address = g_strdup(address);
 488
 489         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 490
 491         connman_info("%s {create} index %d type %d <%s>", ifname,
 492                                                 index, type, type2str(type));
 493
 494 update:
 495 #if defined TIZEN_EXT
 496         if (g_strcmp0(ipdevice->address, address) != 0) {
 497                 /* If an original address is built-in physical device,
 498                  * it's hardly get an address at a initial creation
 499                  */
 500                 g_free(ipdevice->address);
 501                 ipdevice->address = g_strdup(address);
 502         }
 503 #endif
 504
 505         ipdevice->mtu = mtu;
 506
 507         update_stats(ipdevice, ifname, stats);
 508
 509         if (flags == ipdevice->flags)
 510                 goto out;
 511
 512         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 513                 if (flags & IFF_UP)
 514                         up = true;
 515                 else
 516                         down = true;
 517         }
 518
 519         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 520                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 521                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 522                                         (IFF_RUNNING | IFF_LOWER_UP))
 523                         lower_up = true;
 524                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 525                         lower_down = true;
 526         }
 527
 528         ipdevice->flags = flags;
 529
 530         str = g_string_new(NULL);
 531         if (!str)
 532                 goto out;
 533
 534         if (flags & IFF_UP)
 535                 g_string_append(str, "UP");
 536         else
 537                 g_string_append(str, "DOWN");
 538
 539         if (flags & IFF_RUNNING)
 540                 g_string_append(str, ",RUNNING");
 541
 542         if (flags & IFF_LOWER_UP)
 543                 g_string_append(str, ",LOWER_UP");
 544
 545         connman_info("%s {update} flags %u <%s>", ifname, flags, str->str);
 546
 547         g_string_free(str, TRUE);
 548
 549         ipconfig_copy = g_list_copy(ipconfig_list);
 550
 551         for (list = g_list_first(ipconfig_copy); list;
 552                                                 list = g_list_next(list)) {
 553                 struct connman_ipconfig *ipconfig = list->data;
 554
 555                 if (index != ipconfig->index)
 556                         continue;
 557
 558                 if (!ipconfig->ops)
 559                         continue;
 560
 561                 if (up && ipconfig->ops->up)
 562                         ipconfig->ops->up(ipconfig, ifname);
 563                 if (lower_up && ipconfig->ops->lower_up)
 564                         ipconfig->ops->lower_up(ipconfig, ifname);
 565
 566                 if (lower_down && ipconfig->ops->lower_down)
 567                         ipconfig->ops->lower_down(ipconfig, ifname);
 568                 if (down && ipconfig->ops->down)
 569                         ipconfig->ops->down(ipconfig, ifname);
 570         }
 571
 572         g_list_free(ipconfig_copy);
 573
 574 out:
 575         g_free(ifname);
 576 }
 577
 578 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 579 {
 580         struct connman_ipdevice *ipdevice;
 581         GList *list;
 582         char *ifname;
 583
 584         DBG("index %d", index);
 585
 586         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 587         if (!ipdevice)
 588                 return;
 589
 590         ifname = connman_inet_ifname(index);
 591
 592         update_stats(ipdevice, ifname, stats);
 593
 594         for (list = g_list_first(ipconfig_list); list;
 595                                                 list = g_list_next(list)) {
 596                 struct connman_ipconfig *ipconfig = list->data;
 597
 598                 if (index != ipconfig->index)
 599                         continue;
 600
 601                 ipconfig->index = -1;
 602
 603                 if (!ipconfig->ops)
 604                         continue;
 605
 606                 if (ipconfig->ops->lower_down)
 607                         ipconfig->ops->lower_down(ipconfig, ifname);
 608                 if (ipconfig->ops->down)
 609                         ipconfig->ops->down(ipconfig, ifname);
 610         }
 611
 612         g_free(ifname);
 613
 614         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 615 }
 616
 617 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 618 {
 619         const struct connman_ipaddress *addr1 = a;
 620         const struct connman_ipaddress *addr2 = b;
 621
 622         if (addr1->prefixlen != addr2->prefixlen)
 623                 return addr2->prefixlen - addr1->prefixlen;
 624
 625         return g_strcmp0(addr1->local, addr2->local);
 626 }
 627
 628 int __connman_ipconfig_newaddr(int index, int family, const char *label,
 629                                 unsigned char prefixlen, const char *address)
 630 {
 631         struct connman_ipdevice *ipdevice;
 632         struct connman_ipaddress *ipaddress;
 633         enum connman_ipconfig_type type;
 634         GList *list;
 635         char *ifname;
 636
 637         DBG("index %d", index);
 638
 639         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 640         if (!ipdevice)
 641                 return -ENXIO;
 642
 643         ipaddress = connman_ipaddress_alloc(family);
 644         if (!ipaddress)
 645                 return -ENOMEM;
 646
 647         ipaddress->prefixlen = prefixlen;
 648         ipaddress->local = g_strdup(address);
 649
 650         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 651                                         check_duplicate_address)) {
 652                 connman_ipaddress_free(ipaddress);
 653                 return -EALREADY;
 654         }
 655
 656         if (family == AF_INET)
 657                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 658         else if (family == AF_INET6)
 659                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 660         else
 661                 return -EINVAL;
 662
 663         ipdevice->address_list = g_slist_prepend(ipdevice->address_list,
 664                                                                 ipaddress);
 665
 666         ifname = connman_inet_ifname(index);
 667         connman_info("%s {add} address %s/%u label %s family %d",
 668                 ifname, address, prefixlen, label, family);
 669
 670         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 671                 __connman_ippool_newaddr(index, address, prefixlen);
 672
 673         if (ipdevice->config_ipv4 && family == AF_INET)
 674                 connman_ipaddress_copy_address(ipdevice->config_ipv4->system,
 675                                         ipaddress);
 676
 677         else if (ipdevice->config_ipv6 && family == AF_INET6)
 678                 connman_ipaddress_copy_address(ipdevice->config_ipv6->system,
 679                                         ipaddress);
 680         else
 681                 goto out;
 682
 683         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 684                 goto out;
 685
 686         for (list = g_list_first(ipconfig_list); list;
 687                                                 list = g_list_next(list)) {
 688                 struct connman_ipconfig *ipconfig = list->data;
 689
 690                 if (index != ipconfig->index)
 691                         continue;
 692
 693                 if (type != ipconfig->type)
 694                         continue;
 695
 696                 if (!ipconfig->ops)
 697                         continue;
 698
 699                 if (ipconfig->ops->ip_bound)
 700                         ipconfig->ops->ip_bound(ipconfig, ifname);
 701         }
 702
 703 out:
 704         g_free(ifname);
 705         return 0;
 706 }
 707
 708 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 709                                 unsigned char prefixlen, const char *address)
 710 {
 711         struct connman_ipdevice *ipdevice;
 712         struct connman_ipaddress *ipaddress;
 713         enum connman_ipconfig_type type;
 714         GList *list;
 715         char *ifname;
 716
 717         DBG("index %d", index);
 718
 719         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 720         if (!ipdevice)
 721                 return;
 722
 723         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 724         if (!ipaddress)
 725                 return;
 726
 727         if (family == AF_INET)
 728                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 729         else if (family == AF_INET6)
 730                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 731         else
 732                 return;
 733
 734         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 735                                                                 ipaddress);
 736
 737         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 738                 __connman_ippool_deladdr(index, address, prefixlen);
 739
 740         connman_ipaddress_clear(ipaddress);
 741         g_free(ipaddress);
 742
 743         ifname = connman_inet_ifname(index);
 744         connman_info("%s {del} address %s/%u label %s", ifname,
 745                                                 address, prefixlen, label);
 746
 747         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 748                 goto out;
 749
 750         if (g_slist_length(ipdevice->address_list) > 0)
 751                 goto out;
 752
 753         for (list = g_list_first(ipconfig_list); list;
 754                                                 list = g_list_next(list)) {
 755                 struct connman_ipconfig *ipconfig = list->data;
 756
 757                 if (index != ipconfig->index)
 758                         continue;
 759
 760                 if (type != ipconfig->type)
 761                         continue;
 762
 763                 if (!ipconfig->ops)
 764                         continue;
 765
 766                 if (ipconfig->ops->ip_release)
 767                         ipconfig->ops->ip_release(ipconfig, ifname);
 768         }
 769
 770 out:
 771         g_free(ifname);
 772 }
 773
 774 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 775                                         const char *dst, const char *gateway)
 776 {
 777         struct connman_ipdevice *ipdevice;
 778         char *ifname;
 779
 780         DBG("index %d", index);
 781
 782         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 783         if (!ipdevice)
 784                 return;
 785
 786         ifname = connman_inet_ifname(index);
 787
 788         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 789                                                 g_strcmp0(dst, "::") == 0)) {
 790                 GList *config_list;
 791                 enum connman_ipconfig_type type;
 792
 793                 if (family == AF_INET6) {
 794                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 795                         g_free(ipdevice->ipv6_gateway);
 796                         ipdevice->ipv6_gateway = g_strdup(gateway);
 797
 798                         if (ipdevice->config_ipv6 &&
 799                                 ipdevice->config_ipv6->system) {
 800                                 g_free(ipdevice->config_ipv6->system->gateway);
 801                                 ipdevice->config_ipv6->system->gateway =
 802                                         g_strdup(gateway);
 803                         }
 804                 } else if (family == AF_INET) {
 805                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 806                         g_free(ipdevice->ipv4_gateway);
 807                         ipdevice->ipv4_gateway = g_strdup(gateway);
 808
 809                         if (ipdevice->config_ipv4 &&
 810                                 ipdevice->config_ipv4->system) {
 811                                 g_free(ipdevice->config_ipv4->system->gateway);
 812                                 ipdevice->config_ipv4->system->gateway =
 813                                         g_strdup(gateway);
 814                         }
 815                 } else
 816                         goto out;
 817
 818                 for (config_list = g_list_first(ipconfig_list); config_list;
 819                                         config_list = g_list_next(config_list)) {
 820                         struct connman_ipconfig *ipconfig = config_list->data;
 821
 822                         if (index != ipconfig->index)
 823                                 continue;
 824
 825                         if (type != ipconfig->type)
 826                                 continue;
 827
 828                         if (!ipconfig->ops)
 829                                 continue;
 830
 831                         if (ipconfig->ops->route_set)
 832                                 ipconfig->ops->route_set(ipconfig, ifname);
 833                 }
 834         }
 835
 836         connman_info("%s {add} route %s gw %s scope %u <%s>",
 837                 ifname, dst, gateway, scope, scope2str(scope));
 838
 839 out:
 840         g_free(ifname);
 841 }
 842
 843 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 844                                         const char *dst, const char *gateway)
 845 {
 846         struct connman_ipdevice *ipdevice;
 847         char *ifname;
 848
 849         DBG("index %d", index);
 850
 851         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 852         if (!ipdevice)
 853                 return;
 854
 855         ifname = connman_inet_ifname(index);
 856
 857         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 858                                                 g_strcmp0(dst, "::") == 0)) {
 859                 GList *config_list;
 860                 enum connman_ipconfig_type type;
 861
 862                 if (family == AF_INET6) {
 863                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 864                         g_free(ipdevice->ipv6_gateway);
 865                         ipdevice->ipv6_gateway = NULL;
 866
 867                         if (ipdevice->config_ipv6 &&
 868                                 ipdevice->config_ipv6->system) {
 869                                 g_free(ipdevice->config_ipv6->system->gateway);
 870                                 ipdevice->config_ipv6->system->gateway = NULL;
 871                         }
 872                 } else if (family == AF_INET) {
 873                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 874                         g_free(ipdevice->ipv4_gateway);
 875                         ipdevice->ipv4_gateway = NULL;
 876
 877                         if (ipdevice->config_ipv4 &&
 878                                 ipdevice->config_ipv4->system) {
 879                                 g_free(ipdevice->config_ipv4->system->gateway);
 880                                 ipdevice->config_ipv4->system->gateway = NULL;
 881                         }
 882                 } else
 883                         goto out;
 884
 885                 for (config_list = g_list_first(ipconfig_list); config_list;
 886                                         config_list = g_list_next(config_list)) {
 887                         struct connman_ipconfig *ipconfig = config_list->data;
 888
 889                         if (index != ipconfig->index)
 890                                 continue;
 891
 892                         if (type != ipconfig->type)
 893                                 continue;
 894
 895                         if (!ipconfig->ops)
 896                                 continue;
 897
 898                         if (ipconfig->ops->route_unset)
 899                                 ipconfig->ops->route_unset(ipconfig, ifname);
 900                 }
 901         }
 902
 903         connman_info("%s {del} route %s gw %s scope %u <%s>",
 904                 ifname, dst, gateway, scope, scope2str(scope));
 905
 906 out:
 907         g_free(ifname);
 908 }
 909
 910 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 911                                                         void *user_data)
 912 {
 913         GList *list, *keys;
 914
 915         keys = g_hash_table_get_keys(ipdevice_hash);
 916         if (!keys)
 917                 return;
 918
 919         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 920                 int index = GPOINTER_TO_INT(list->data);
 921
 922                 function(index, user_data);
 923         }
 924
 925         g_list_free(keys);
 926 }
 927
 928 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
 929                                         struct connman_ipconfig *ipconfig)
 930 {
 931         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
 932 }
 933
 934 unsigned short __connman_ipconfig_get_type_from_index(int index)
 935 {
 936         struct connman_ipdevice *ipdevice;
 937
 938         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 939         if (!ipdevice)
 940                 return ARPHRD_VOID;
 941
 942         return ipdevice->type;
 943 }
 944
 945 unsigned int __connman_ipconfig_get_flags_from_index(int index)
 946 {
 947         struct connman_ipdevice *ipdevice;
 948
 949         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 950         if (!ipdevice)
 951                 return 0;
 952
 953         return ipdevice->flags;
 954 }
 955
 956 const char *__connman_ipconfig_get_gateway_from_index(int index,
 957         enum connman_ipconfig_type type)
 958 {
 959         struct connman_ipdevice *ipdevice;
 960
 961         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 962         if (!ipdevice)
 963                 return NULL;
 964
 965         if (type != CONNMAN_IPCONFIG_TYPE_IPV6) {
 966                 if (ipdevice->ipv4_gateway)
 967                         return ipdevice->ipv4_gateway;
 968
 969                 if (ipdevice->config_ipv4 &&
 970                                 ipdevice->config_ipv4->address)
 971                         return ipdevice->config_ipv4->address->gateway;
 972         }
 973
 974         if (type != CONNMAN_IPCONFIG_TYPE_IPV4) {
 975                 if (ipdevice->ipv6_gateway)
 976                         return ipdevice->ipv6_gateway;
 977
 978                 if (ipdevice->config_ipv6 &&
 979                                 ipdevice->config_ipv6->address)
 980                         return ipdevice->config_ipv6->address->gateway;
 981         }
 982
 983         return NULL;
 984 }
 985
 986 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 987 {
 988         ipconfig->index = index;
 989 }
 990
 991 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 992 {
 993         if (!ipconfig->address)
 994                 return NULL;
 995
 996         return ipconfig->address->local;
 997 }
 998
 999 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig,
1000                                         const char *address)
1001 {
1002         if (!ipconfig->address)
1003                 return;
1004
1005         g_free(ipconfig->address->local);
1006         ipconfig->address->local = g_strdup(address);
1007 }
1008
1009 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
1010 {
1011         if (!ipconfig->address)
1012                 return NULL;
1013
1014         return ipconfig->address->peer;
1015 }
1016
1017 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig,
1018                                         const char *address)
1019 {
1020         if (!ipconfig->address)
1021                 return;
1022
1023         g_free(ipconfig->address->peer);
1024         ipconfig->address->peer = g_strdup(address);
1025 }
1026
1027 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1028 {
1029         if (!ipconfig->address)
1030                 return NULL;
1031
1032         return ipconfig->address->broadcast;
1033 }
1034
1035 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig,
1036                                         const char *broadcast)
1037 {
1038         if (!ipconfig->address)
1039                 return;
1040
1041         g_free(ipconfig->address->broadcast);
1042         ipconfig->address->broadcast = g_strdup(broadcast);
1043 }
1044
1045 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1046 {
1047         if (!ipconfig->address)
1048                 return NULL;
1049
1050         return ipconfig->address->gateway;
1051 }
1052
1053 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1054                                         const char *gateway)
1055 {
1056         DBG("");
1057
1058         if (!ipconfig->address)
1059                 return;
1060         g_free(ipconfig->address->gateway);
1061         ipconfig->address->gateway = g_strdup(gateway);
1062 }
1063
1064 #if defined TIZEN_EXT
1065 void __connman_ipconfig_set_dhcp_lease_duration(struct connman_ipconfig *ipconfig,
1066                 int dhcp_lease_duration)
1067 {
1068         ipconfig->dhcp_lease_duration = dhcp_lease_duration;
1069 }
1070 #endif
1071
1072 #if defined TIZEN_EXT
1073 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig, struct connman_service *service)
1074 #else
1075 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1076 #endif
1077 {
1078 #if !defined TIZEN_EXT
1079         struct connman_service *service;
1080 #endif
1081
1082         DBG("");
1083
1084         if (!ipconfig->address)
1085                 return -EINVAL;
1086
1087 #if !defined TIZEN_EXT
1088         service = __connman_service_lookup_from_index(ipconfig->index);
1089 #endif
1090         if (!service)
1091                 return -EINVAL;
1092
1093         DBG("type %d gw %s peer %s", ipconfig->type,
1094                 ipconfig->address->gateway, ipconfig->address->peer);
1095
1096         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1097                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1098                 return __connman_connection_gateway_add(service,
1099                                                 ipconfig->address->gateway,
1100                                                 ipconfig->type,
1101                                                 ipconfig->address->peer);
1102
1103         return 0;
1104 }
1105
1106 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1107 {
1108         struct connman_service *service;
1109
1110         DBG("");
1111
1112         service = __connman_service_lookup_from_index(ipconfig->index);
1113         if (service)
1114                 __connman_connection_gateway_remove(service, ipconfig->type);
1115 }
1116
1117 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1118 {
1119         if (!ipconfig->address)
1120                 return 0;
1121
1122         return ipconfig->address->prefixlen;
1123 }
1124
1125 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig,
1126                                         unsigned char prefixlen)
1127 {
1128         if (!ipconfig->address)
1129                 return;
1130
1131         ipconfig->address->prefixlen = prefixlen;
1132 }
1133
1134 static struct connman_ipconfig *create_ipv6config(int index)
1135 {
1136         struct connman_ipconfig *ipv6config;
1137         struct connman_ipdevice *ipdevice;
1138
1139         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1140         if (!ipv6config)
1141                 return NULL;
1142
1143         ipv6config->refcount = 1;
1144
1145         ipv6config->index = index;
1146         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1147
1148         if (!is_ipv6_supported)
1149                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
1150         else
1151                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1152
1153         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1154         if (ipdevice)
1155 #if !defined TIZEN_EXT
1156                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy;
1157 #else
1158                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy = 2;
1159 #endif
1160         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1161         if (!ipv6config->address) {
1162                 g_free(ipv6config);
1163                 return NULL;
1164         }
1165
1166         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1167
1168         DBG("ipconfig %p index %d method %s", ipv6config, index,
1169                 __connman_ipconfig_method2string(ipv6config->method));
1170
1171         return ipv6config;
1172 }
1173
1174 /**
1175  * connman_ipconfig_create:
1176  *
1177  * Allocate a new ipconfig structure.
1178  *
1179  * Returns: a newly-allocated #connman_ipconfig structure
1180  */
1181 struct connman_ipconfig *__connman_ipconfig_create(int index,
1182                                         enum connman_ipconfig_type type)
1183 {
1184         struct connman_ipconfig *ipconfig;
1185
1186         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1187                 return create_ipv6config(index);
1188
1189         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1190         if (!ipconfig)
1191                 return NULL;
1192
1193         ipconfig->refcount = 1;
1194
1195         ipconfig->index = index;
1196         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1197
1198         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1199         if (!ipconfig->address) {
1200                 g_free(ipconfig);
1201                 return NULL;
1202         }
1203
1204         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1205
1206         DBG("ipconfig %p index %d", ipconfig, index);
1207
1208         return ipconfig;
1209 }
1210
1211
1212 /**
1213  * connman_ipconfig_ref:
1214  * @ipconfig: ipconfig structure
1215  *
1216  * Increase reference counter of ipconfig
1217  */
1218 struct connman_ipconfig *
1219 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1220                                 const char *file, int line, const char *caller)
1221 {
1222         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1223                 file, line, caller);
1224
1225         __sync_fetch_and_add(&ipconfig->refcount, 1);
1226
1227         return ipconfig;
1228 }
1229
1230 /**
1231  * connman_ipconfig_unref:
1232  * @ipconfig: ipconfig structure
1233  *
1234  * Decrease reference counter of ipconfig
1235  */
1236 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1237                                 const char *file, int line, const char *caller)
1238 {
1239         if (!ipconfig)
1240                 return;
1241
1242         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1243                 file, line, caller);
1244
1245         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1246                 return;
1247
1248         if (__connman_ipconfig_disable(ipconfig) < 0)
1249                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1250
1251         __connman_ipconfig_set_ops(ipconfig, NULL);
1252
1253         connman_ipaddress_free(ipconfig->system);
1254         connman_ipaddress_free(ipconfig->address);
1255         g_free(ipconfig->last_dhcp_address);
1256         g_strfreev(ipconfig->last_dhcpv6_prefixes);
1257         g_free(ipconfig);
1258 }
1259
1260 /**
1261  * connman_ipconfig_get_data:
1262  * @ipconfig: ipconfig structure
1263  *
1264  * Get private data pointer
1265  */
1266 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1267 {
1268         if (!ipconfig)
1269                 return NULL;
1270
1271         return ipconfig->ops_data;
1272 }
1273
1274 /**
1275  * connman_ipconfig_set_data:
1276  * @ipconfig: ipconfig structure
1277  * @data: data pointer
1278  *
1279  * Set private data pointer
1280  */
1281 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1282 {
1283         ipconfig->ops_data = data;
1284 }
1285
1286 /**
1287  * connman_ipconfig_get_index:
1288  * @ipconfig: ipconfig structure
1289  *
1290  * Get interface index
1291  */
1292 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1293 {
1294         if (!ipconfig)
1295                 return -1;
1296
1297         return ipconfig->index;
1298 }
1299
1300 /**
1301  * connman_ipconfig_set_ops:
1302  * @ipconfig: ipconfig structure
1303  * @ops: operation callbacks
1304  *
1305  * Set the operation callbacks
1306  */
1307 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1308                                 const struct connman_ipconfig_ops *ops)
1309 {
1310         ipconfig->ops = ops;
1311 }
1312
1313 /**
1314  * connman_ipconfig_set_method:
1315  * @ipconfig: ipconfig structure
1316  * @method: configuration method
1317  *
1318  * Set the configuration method
1319  */
1320 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1321                                         enum connman_ipconfig_method method)
1322 {
1323         ipconfig->method = method;
1324
1325         return 0;
1326 }
1327
1328 enum connman_ipconfig_method __connman_ipconfig_get_method(
1329                                 struct connman_ipconfig *ipconfig)
1330 {
1331         if (!ipconfig)
1332                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1333
1334         return ipconfig->method;
1335 }
1336
1337 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1338 {
1339         switch (ipconfig->method) {
1340         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1341         case CONNMAN_IPCONFIG_METHOD_OFF:
1342                 break;
1343         case CONNMAN_IPCONFIG_METHOD_AUTO:
1344         case CONNMAN_IPCONFIG_METHOD_FIXED:
1345         case CONNMAN_IPCONFIG_METHOD_DHCP:
1346         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1347                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1348                         return connman_inet_set_address(ipconfig->index,
1349                                                         ipconfig->address);
1350                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1351                         return connman_inet_set_ipv6_address(
1352                                         ipconfig->index, ipconfig->address);
1353         }
1354
1355         return 0;
1356 }
1357
1358 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1359 {
1360         int err;
1361
1362         if (!ipconfig)
1363                 return 0;
1364
1365         switch (ipconfig->method) {
1366         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1367         case CONNMAN_IPCONFIG_METHOD_OFF:
1368                 break;
1369         case CONNMAN_IPCONFIG_METHOD_AUTO:
1370         case CONNMAN_IPCONFIG_METHOD_FIXED:
1371         case CONNMAN_IPCONFIG_METHOD_DHCP:
1372         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1373                 err = __connman_ipconfig_address_unset(ipconfig);
1374                 connman_ipaddress_clear(ipconfig->address);
1375
1376                 return err;
1377         }
1378
1379         return 0;
1380 }
1381
1382 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1383 {
1384         int err;
1385
1386         if (!ipconfig)
1387                 return 0;
1388
1389 #if defined TIZEN_EXT
1390         DBG("ipconfig method %d type %d", ipconfig->method, ipconfig->type);
1391 #else
1392         DBG("method %d", ipconfig->method);
1393 #endif
1394
1395         switch (ipconfig->method) {
1396         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1397         case CONNMAN_IPCONFIG_METHOD_OFF:
1398                 break;
1399         case CONNMAN_IPCONFIG_METHOD_AUTO:
1400         case CONNMAN_IPCONFIG_METHOD_FIXED:
1401         case CONNMAN_IPCONFIG_METHOD_DHCP:
1402         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1403                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1404                         err = connman_inet_clear_address(ipconfig->index,
1405                                                         ipconfig->address);
1406                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1407                         err = connman_inet_clear_ipv6_address(
1408                                                 ipconfig->index,
1409                                                 ipconfig->address->local,
1410                                                 ipconfig->address->prefixlen);
1411                 else
1412                         err = -EINVAL;
1413
1414                 return err;
1415         }
1416
1417         return 0;
1418 }
1419
1420 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1421                                                         const char *url)
1422 {
1423         struct connman_ipdevice *ipdevice;
1424
1425         if (!ipconfig || ipconfig->index < 0)
1426                 return -ENODEV;
1427
1428         ipdevice = g_hash_table_lookup(ipdevice_hash,
1429                                         GINT_TO_POINTER(ipconfig->index));
1430         if (!ipdevice)
1431                 return -ENXIO;
1432
1433         g_free(ipdevice->pac);
1434         ipdevice->pac = g_strdup(url);
1435
1436         return 0;
1437 }
1438
1439 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1440 {
1441         struct connman_ipdevice *ipdevice;
1442
1443         if (!ipconfig || ipconfig->index < 0)
1444                 return NULL;
1445
1446         ipdevice = g_hash_table_lookup(ipdevice_hash,
1447                                         GINT_TO_POINTER(ipconfig->index));
1448         if (!ipdevice)
1449                 return NULL;
1450
1451         return ipdevice->pac;
1452 }
1453
1454 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1455                                         const char *address)
1456 {
1457         if (!ipconfig)
1458                 return;
1459
1460         g_free(ipconfig->last_dhcp_address);
1461         ipconfig->last_dhcp_address = g_strdup(address);
1462 }
1463
1464 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1465 {
1466         if (!ipconfig)
1467                 return NULL;
1468
1469         return ipconfig->last_dhcp_address;
1470 }
1471
1472 void __connman_ipconfig_set_dhcpv6_prefixes(struct connman_ipconfig *ipconfig,
1473                                         char **prefixes)
1474 {
1475         if (!ipconfig)
1476                 return;
1477
1478         g_strfreev(ipconfig->last_dhcpv6_prefixes);
1479         ipconfig->last_dhcpv6_prefixes = prefixes;
1480 }
1481
1482 char **__connman_ipconfig_get_dhcpv6_prefixes(struct connman_ipconfig *ipconfig)
1483 {
1484         if (!ipconfig)
1485                 return NULL;
1486
1487         return ipconfig->last_dhcpv6_prefixes;
1488 }
1489
1490 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1491 {
1492         struct connman_ipdevice *ipdevice;
1493         char *ifname;
1494
1495         DBG("");
1496
1497         ipdevice = g_hash_table_lookup(ipdevice_hash,
1498                                         GINT_TO_POINTER(ipconfig->index));
1499         if (!ipdevice)
1500                 return;
1501
1502         ifname = connman_inet_ifname(ipconfig->index);
1503
1504         set_ipv6_state(ifname, false);
1505
1506         g_free(ifname);
1507 }
1508
1509 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1510 {
1511         struct connman_ipdevice *ipdevice;
1512         char *ifname;
1513
1514         DBG("");
1515
1516         ipdevice = g_hash_table_lookup(ipdevice_hash,
1517                                         GINT_TO_POINTER(ipconfig->index));
1518         if (!ipdevice)
1519                 return;
1520
1521         ifname = connman_inet_ifname(ipconfig->index);
1522
1523         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1524                 set_ipv6_privacy(ifname, ipconfig->ipv6_privacy_config);
1525
1526         set_ipv6_state(ifname, true);
1527
1528         g_free(ifname);
1529 }
1530
1531 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1532 {
1533         if (!ipconfig || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1534                 return;
1535
1536         enable_ipv6(ipconfig);
1537 }
1538
1539 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1540 {
1541         if (!ipconfig || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1542                 return;
1543
1544         disable_ipv6(ipconfig);
1545 }
1546
1547 bool __connman_ipconfig_is_usable(struct connman_ipconfig *ipconfig)
1548 {
1549         if (!ipconfig)
1550                 return false;
1551
1552         switch (ipconfig->method) {
1553         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1554         case CONNMAN_IPCONFIG_METHOD_OFF:
1555                 return false;
1556         case CONNMAN_IPCONFIG_METHOD_AUTO:
1557         case CONNMAN_IPCONFIG_METHOD_FIXED:
1558         case CONNMAN_IPCONFIG_METHOD_DHCP:
1559         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1560                 break;
1561         }
1562
1563         return true;
1564 }
1565
1566 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1567 {
1568         struct connman_ipdevice *ipdevice;
1569         bool up = false, down = false;
1570         bool lower_up = false, lower_down = false;
1571         enum connman_ipconfig_type type;
1572         char *ifname;
1573
1574         DBG("ipconfig %p", ipconfig);
1575
1576         if (!ipconfig || ipconfig->index < 0)
1577                 return -ENODEV;
1578
1579         ipdevice = g_hash_table_lookup(ipdevice_hash,
1580                                         GINT_TO_POINTER(ipconfig->index));
1581         if (!ipdevice)
1582                 return -ENXIO;
1583
1584         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1585                 if (ipdevice->config_ipv4 == ipconfig)
1586                         return -EALREADY;
1587                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1588         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1589                 if (ipdevice->config_ipv6 == ipconfig)
1590                         return -EALREADY;
1591                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1592         } else
1593                 return -EINVAL;
1594
1595         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1596                                         ipdevice->config_ipv4) {
1597                 ipconfig_list = g_list_remove(ipconfig_list,
1598                                                         ipdevice->config_ipv4);
1599
1600                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1601
1602                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1603         }
1604
1605         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1606                                         ipdevice->config_ipv6) {
1607                 ipconfig_list = g_list_remove(ipconfig_list,
1608                                                         ipdevice->config_ipv6);
1609
1610                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1611
1612                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1613         }
1614
1615         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1616                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1617         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1618                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1619
1620                 enable_ipv6(ipdevice->config_ipv6);
1621         }
1622         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1623
1624         if (ipdevice->flags & IFF_UP)
1625                 up = true;
1626         else
1627                 down = true;
1628
1629         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1630                         (IFF_RUNNING | IFF_LOWER_UP))
1631                 lower_up = true;
1632         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1633                 lower_down = true;
1634
1635         ifname = connman_inet_ifname(ipconfig->index);
1636
1637         if (up && ipconfig->ops->up)
1638                 ipconfig->ops->up(ipconfig, ifname);
1639         if (lower_up && ipconfig->ops->lower_up)
1640                 ipconfig->ops->lower_up(ipconfig, ifname);
1641
1642         if (lower_down && ipconfig->ops->lower_down)
1643                 ipconfig->ops->lower_down(ipconfig, ifname);
1644         if (down && ipconfig->ops->down)
1645                 ipconfig->ops->down(ipconfig, ifname);
1646
1647         g_free(ifname);
1648
1649         return 0;
1650 }
1651
1652 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1653 {
1654         struct connman_ipdevice *ipdevice;
1655
1656         DBG("ipconfig %p", ipconfig);
1657
1658         if (!ipconfig || ipconfig->index < 0)
1659                 return -ENODEV;
1660
1661         ipdevice = g_hash_table_lookup(ipdevice_hash,
1662                                         GINT_TO_POINTER(ipconfig->index));
1663         if (!ipdevice)
1664                 return -ENXIO;
1665
1666         if (!ipdevice->config_ipv4 && !ipdevice->config_ipv6)
1667                 return -EINVAL;
1668
1669         if (ipdevice->config_ipv4 == ipconfig) {
1670                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1671
1672                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1673                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1674                 ipdevice->config_ipv4 = NULL;
1675                 return 0;
1676         }
1677
1678         if (ipdevice->config_ipv6 == ipconfig) {
1679                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1680
1681 #if defined TIZEN_EXT
1682                 if (ipdevice->config_ipv6->method ==
1683                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1684                         disable_ipv6(ipdevice->config_ipv6);
1685 #endif
1686                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1687                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1688                 ipdevice->config_ipv6 = NULL;
1689                 return 0;
1690         }
1691
1692         return -EINVAL;
1693 }
1694
1695 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1696 {
1697         switch (method) {
1698         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1699                 break;
1700         case CONNMAN_IPCONFIG_METHOD_OFF:
1701                 return "off";
1702         case CONNMAN_IPCONFIG_METHOD_FIXED:
1703                 return "fixed";
1704         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1705                 return "manual";
1706         case CONNMAN_IPCONFIG_METHOD_DHCP:
1707                 return "dhcp";
1708         case CONNMAN_IPCONFIG_METHOD_AUTO:
1709                 return "auto";
1710         }
1711
1712         return NULL;
1713 }
1714
1715 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1716 {
1717         if (g_strcmp0(method, "off") == 0)
1718                 return CONNMAN_IPCONFIG_METHOD_OFF;
1719         else if (g_strcmp0(method, "fixed") == 0)
1720                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1721         else if (g_strcmp0(method, "manual") == 0)
1722                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1723         else if (g_strcmp0(method, "dhcp") == 0)
1724                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1725         else if (g_strcmp0(method, "auto") == 0)
1726                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1727         else
1728                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1729 }
1730
1731 static const char *privacy2string(int privacy)
1732 {
1733         if (privacy <= 0)
1734                 return "disabled";
1735         else if (privacy == 1)
1736                 return "enabled";
1737         else
1738                 return "prefered";
1739 }
1740
1741 static int string2privacy(const char *privacy)
1742 {
1743         if (g_strcmp0(privacy, "disabled") == 0)
1744                 return 0;
1745         else if (g_strcmp0(privacy, "enabled") == 0)
1746                 return 1;
1747         else if (g_strcmp0(privacy, "preferred") == 0)
1748                 return 2;
1749         else if (g_strcmp0(privacy, "prefered") == 0)
1750                 return 2;
1751         else
1752                 return 0;
1753 }
1754
1755 int __connman_ipconfig_ipv6_reset_privacy(struct connman_ipconfig *ipconfig)
1756 {
1757         struct connman_ipdevice *ipdevice;
1758         int err;
1759
1760         if (!ipconfig)
1761                 return -EINVAL;
1762
1763         ipdevice = g_hash_table_lookup(ipdevice_hash,
1764                                                 GINT_TO_POINTER(ipconfig->index));
1765         if (!ipdevice)
1766                 return -ENODEV;
1767
1768         err = __connman_ipconfig_ipv6_set_privacy(ipconfig, privacy2string(
1769                                                         ipdevice->ipv6_privacy));
1770
1771         return err;
1772 }
1773
1774 int __connman_ipconfig_ipv6_set_privacy(struct connman_ipconfig *ipconfig,
1775                                         const char *value)
1776 {
1777         int privacy;
1778
1779         if (!ipconfig)
1780                 return -EINVAL;
1781
1782         privacy = string2privacy(value);
1783
1784         ipconfig->ipv6_privacy_config = privacy;
1785
1786         enable_ipv6(ipconfig);
1787
1788         return 0;
1789 }
1790
1791 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1792                                                         DBusMessageIter *iter)
1793 {
1794         struct connman_ipaddress *append_addr = NULL;
1795         const char *str;
1796
1797         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1798                 return;
1799
1800         str = __connman_ipconfig_method2string(ipconfig->method);
1801         if (!str)
1802                 return;
1803
1804         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1805
1806         switch (ipconfig->method) {
1807         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1808         case CONNMAN_IPCONFIG_METHOD_OFF:
1809                 return;
1810
1811         case CONNMAN_IPCONFIG_METHOD_FIXED:
1812                 append_addr = ipconfig->address;
1813                 break;
1814
1815         case CONNMAN_IPCONFIG_METHOD_AUTO:
1816         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1817         case CONNMAN_IPCONFIG_METHOD_DHCP:
1818                 append_addr = ipconfig->system;
1819 #if defined TIZEN_EXT
1820                 /* TIZEN enables get_properties before __connman_ipconfig_newaddr */
1821                 if (append_addr && append_addr->local == NULL)
1822                         append_addr = ipconfig->address;
1823 #endif
1824                 break;
1825         }
1826
1827         if (!append_addr)
1828                 return;
1829
1830         if (append_addr->local) {
1831                 in_addr_t addr;
1832                 struct in_addr netmask;
1833                 char *mask;
1834
1835                 connman_dbus_dict_append_basic(iter, "Address",
1836                                 DBUS_TYPE_STRING, &append_addr->local);
1837
1838                 addr = 0xffffffff << (32 - append_addr->prefixlen);
1839                 netmask.s_addr = htonl(addr);
1840                 mask = inet_ntoa(netmask);
1841                 connman_dbus_dict_append_basic(iter, "Netmask",
1842                                                 DBUS_TYPE_STRING, &mask);
1843         }
1844
1845         if (append_addr->gateway)
1846                 connman_dbus_dict_append_basic(iter, "Gateway",
1847                                 DBUS_TYPE_STRING, &append_addr->gateway);
1848
1849 #if defined TIZEN_EXT
1850         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_DHCP) {
1851                 char *server_ip;
1852                 server_ip = __connman_dhcp_get_server_address(ipconfig);
1853                 if (server_ip) {
1854                         connman_dbus_dict_append_basic(iter, "DHCPServerIP",
1855                                         DBUS_TYPE_STRING, &server_ip);
1856                         g_free(server_ip);
1857                 }
1858                 connman_dbus_dict_append_basic(iter, "DHCPLeaseDuration",
1859                                 DBUS_TYPE_INT32, &ipconfig->dhcp_lease_duration);
1860         }
1861 #endif
1862 }
1863
1864 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1865                                         DBusMessageIter *iter,
1866                                         struct connman_ipconfig *ipconfig_ipv4)
1867 {
1868         struct connman_ipaddress *append_addr = NULL;
1869         const char *str, *privacy;
1870
1871         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1872                 return;
1873
1874         str = __connman_ipconfig_method2string(ipconfig->method);
1875         if (!str)
1876                 return;
1877
1878         if (ipconfig_ipv4 &&
1879                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1880                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1881                         str = "6to4";
1882         }
1883
1884         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1885
1886         switch (ipconfig->method) {
1887         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1888         case CONNMAN_IPCONFIG_METHOD_OFF:
1889                 return;
1890
1891         case CONNMAN_IPCONFIG_METHOD_FIXED:
1892                 append_addr = ipconfig->address;
1893                 break;
1894
1895         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1896         case CONNMAN_IPCONFIG_METHOD_DHCP:
1897         case CONNMAN_IPCONFIG_METHOD_AUTO:
1898                 append_addr = ipconfig->system;
1899 #if defined TIZEN_EXT
1900                 /* TIZEN enables get_properties before __connman_ipconfig_newaddr */
1901                 if (append_addr && append_addr->local == NULL)
1902                         append_addr = ipconfig->address;
1903 #endif
1904                 break;
1905         }
1906
1907         if (!append_addr)
1908                 return;
1909
1910         if (append_addr->local) {
1911                 connman_dbus_dict_append_basic(iter, "Address",
1912                                 DBUS_TYPE_STRING, &append_addr->local);
1913                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1914                                                 DBUS_TYPE_BYTE,
1915                                                 &append_addr->prefixlen);
1916         }
1917
1918         if (append_addr->gateway)
1919                 connman_dbus_dict_append_basic(iter, "Gateway",
1920                                 DBUS_TYPE_STRING, &append_addr->gateway);
1921
1922         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1923         connman_dbus_dict_append_basic(iter, "Privacy",
1924                                 DBUS_TYPE_STRING, &privacy);
1925 }
1926
1927 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1928                                                         DBusMessageIter *iter)
1929 {
1930         const char *str, *privacy;
1931
1932         str = __connman_ipconfig_method2string(ipconfig->method);
1933         if (!str)
1934                 return;
1935
1936         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1937
1938         switch (ipconfig->method) {
1939         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1940         case CONNMAN_IPCONFIG_METHOD_OFF:
1941         case CONNMAN_IPCONFIG_METHOD_DHCP:
1942                 return;
1943         case CONNMAN_IPCONFIG_METHOD_FIXED:
1944         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1945         case CONNMAN_IPCONFIG_METHOD_AUTO:
1946                 break;
1947         }
1948
1949         if (!ipconfig->address)
1950                 return;
1951
1952         if (ipconfig->address->local) {
1953                 connman_dbus_dict_append_basic(iter, "Address",
1954                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1955                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1956                                                 DBUS_TYPE_BYTE,
1957                                                 &ipconfig->address->prefixlen);
1958         }
1959
1960         if (ipconfig->address->gateway)
1961                 connman_dbus_dict_append_basic(iter, "Gateway",
1962                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1963
1964         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1965         connman_dbus_dict_append_basic(iter, "Privacy",
1966                                 DBUS_TYPE_STRING, &privacy);
1967 }
1968
1969 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1970                                                         DBusMessageIter *iter)
1971 {
1972         const char *str;
1973
1974         str = __connman_ipconfig_method2string(ipconfig->method);
1975         if (!str)
1976                 return;
1977
1978         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1979
1980         switch (ipconfig->method) {
1981         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1982         case CONNMAN_IPCONFIG_METHOD_OFF:
1983         case CONNMAN_IPCONFIG_METHOD_DHCP:
1984         case CONNMAN_IPCONFIG_METHOD_AUTO:
1985                 return;
1986         case CONNMAN_IPCONFIG_METHOD_FIXED:
1987         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1988                 break;
1989         }
1990
1991         if (!ipconfig->address)
1992                 return;
1993
1994         if (ipconfig->address->local) {
1995                 in_addr_t addr;
1996                 struct in_addr netmask;
1997                 char *mask;
1998
1999                 connman_dbus_dict_append_basic(iter, "Address",
2000                                 DBUS_TYPE_STRING, &ipconfig->address->local);
2001
2002                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
2003                 netmask.s_addr = htonl(addr);
2004                 mask = inet_ntoa(netmask);
2005                 connman_dbus_dict_append_basic(iter, "Netmask",
2006                                                 DBUS_TYPE_STRING, &mask);
2007         }
2008
2009         if (ipconfig->address->gateway)
2010                 connman_dbus_dict_append_basic(iter, "Gateway",
2011                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
2012 }
2013
2014 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
2015                                                         DBusMessageIter *array)
2016 {
2017         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
2018         const char *address = NULL, *netmask = NULL, *gateway = NULL,
2019                 *privacy_string = NULL;
2020         int prefix_length = 0, privacy = 0;
2021         DBusMessageIter dict;
2022         int type = -1;
2023
2024         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
2025                 return -EINVAL;
2026
2027         dbus_message_iter_recurse(array, &dict);
2028
2029         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
2030                 DBusMessageIter entry, value;
2031                 const char *key;
2032                 int type;
2033
2034                 dbus_message_iter_recurse(&dict, &entry);
2035
2036                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2037                         return -EINVAL;
2038
2039                 dbus_message_iter_get_basic(&entry, &key);
2040                 dbus_message_iter_next(&entry);
2041
2042                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
2043                         return -EINVAL;
2044
2045                 dbus_message_iter_recurse(&entry, &value);
2046
2047                 type = dbus_message_iter_get_arg_type(&value);
2048
2049                 if (g_str_equal(key, "Method")) {
2050                         const char *str;
2051
2052                         if (type != DBUS_TYPE_STRING)
2053                                 return -EINVAL;
2054
2055                         dbus_message_iter_get_basic(&value, &str);
2056                         method = __connman_ipconfig_string2method(str);
2057                 } else if (g_str_equal(key, "Address")) {
2058                         if (type != DBUS_TYPE_STRING)
2059                                 return -EINVAL;
2060
2061                         dbus_message_iter_get_basic(&value, &address);
2062                 } else if (g_str_equal(key, "PrefixLength")) {
2063                         if (type != DBUS_TYPE_BYTE)
2064                                 return -EINVAL;
2065
2066                         dbus_message_iter_get_basic(&value, &prefix_length);
2067
2068                         if (prefix_length < 0 || prefix_length > 128)
2069                                 return -EINVAL;
2070                 } else if (g_str_equal(key, "Netmask")) {
2071                         if (type != DBUS_TYPE_STRING)
2072                                 return -EINVAL;
2073
2074                         dbus_message_iter_get_basic(&value, &netmask);
2075                 } else if (g_str_equal(key, "Gateway")) {
2076                         if (type != DBUS_TYPE_STRING)
2077                                 return -EINVAL;
2078
2079                         dbus_message_iter_get_basic(&value, &gateway);
2080                 } else if (g_str_equal(key, "Privacy")) {
2081                         if (type != DBUS_TYPE_STRING)
2082                                 return -EINVAL;
2083
2084                         dbus_message_iter_get_basic(&value, &privacy_string);
2085                         privacy = string2privacy(privacy_string);
2086                 }
2087
2088                 dbus_message_iter_next(&dict);
2089         }
2090
2091         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2092                 "privacy %s",
2093                 method, address, netmask, gateway, prefix_length,
2094                 privacy_string);
2095
2096         switch (method) {
2097         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2098         case CONNMAN_IPCONFIG_METHOD_FIXED:
2099                 return -EINVAL;
2100
2101         case CONNMAN_IPCONFIG_METHOD_OFF:
2102                 ipconfig->method = method;
2103 #if defined TIZEN_EXT
2104                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2105                         disable_ipv6(ipconfig);
2106 #endif
2107                 break;
2108
2109         case CONNMAN_IPCONFIG_METHOD_AUTO:
2110                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2111                         return -EOPNOTSUPP;
2112
2113                 ipconfig->method = method;
2114                 if (privacy_string)
2115                         ipconfig->ipv6_privacy_config = privacy;
2116 #if defined TIZEN_EXT
2117                 enable_ipv6(ipconfig);
2118 #endif
2119                 break;
2120
2121         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2122                 switch (ipconfig->type) {
2123                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2124                         type = AF_INET;
2125                         break;
2126                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2127                         type = AF_INET6;
2128                         break;
2129                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2130                 case CONNMAN_IPCONFIG_TYPE_ALL:
2131                         type = -1;
2132                         break;
2133                 }
2134
2135                 if ((address && connman_inet_check_ipaddress(address)
2136                                                 != type) ||
2137                                 (netmask &&
2138                                 connman_inet_check_ipaddress(netmask)
2139                                                 != type) ||
2140                                 (gateway &&
2141                                 connman_inet_check_ipaddress(gateway)
2142                                                 != type))
2143                         return -EINVAL;
2144
2145                 ipconfig->method = method;
2146
2147                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2148                         connman_ipaddress_set_ipv4(ipconfig->address,
2149                                                 address, netmask, gateway);
2150                 else
2151                         return connman_ipaddress_set_ipv6(
2152                                         ipconfig->address, address,
2153                                                 prefix_length, gateway);
2154
2155                 break;
2156
2157         case CONNMAN_IPCONFIG_METHOD_DHCP:
2158                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
2159                         return -EOPNOTSUPP;
2160
2161                 ipconfig->method = method;
2162                 break;
2163         }
2164
2165         return 0;
2166 }
2167
2168 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2169                                                         DBusMessageIter *iter)
2170 {
2171         struct connman_ipdevice *ipdevice;
2172         const char *method = "auto";
2173
2174         connman_dbus_dict_append_basic(iter, "Method",
2175                                                 DBUS_TYPE_STRING, &method);
2176
2177         ipdevice = g_hash_table_lookup(ipdevice_hash,
2178                                         GINT_TO_POINTER(ipconfig->index));
2179         if (!ipdevice)
2180                 return;
2181
2182         if (ipconfig->index >= 0) {
2183                 char *ifname = connman_inet_ifname(ipconfig->index);
2184                 if (ifname) {
2185                         connman_dbus_dict_append_basic(iter, "Interface",
2186                                                 DBUS_TYPE_STRING, &ifname);
2187                         g_free(ifname);
2188                 }
2189         }
2190
2191         if (ipdevice->address)
2192                 connman_dbus_dict_append_basic(iter, "Address",
2193                                         DBUS_TYPE_STRING, &ipdevice->address);
2194
2195         if (ipdevice->mtu > 0)
2196                 connman_dbus_dict_append_basic(iter, "MTU",
2197                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2198 }
2199
2200 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2201                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2202 {
2203         char *method;
2204         char *key;
2205         char *str;
2206
2207         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2208
2209         key = g_strdup_printf("%smethod", prefix);
2210         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2211         if (!method) {
2212                 switch (ipconfig->type) {
2213                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2214                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2215                         break;
2216                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2217                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2218                         break;
2219                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2220                 case CONNMAN_IPCONFIG_TYPE_ALL:
2221                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2222                         break;
2223                 }
2224         } else
2225                 ipconfig->method = __connman_ipconfig_string2method(method);
2226
2227         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2228                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2229
2230         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2231                 gsize length;
2232                 char *pprefix;
2233
2234                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2235                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2236                         char *privacy;
2237
2238                         pprefix = g_strdup_printf("%sprivacy", prefix);
2239                         privacy = g_key_file_get_string(keyfile, identifier,
2240                                                         pprefix, NULL);
2241                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2242                         g_free(pprefix);
2243                         g_free(privacy);
2244                 }
2245
2246                 pprefix = g_strdup_printf("%sDHCP.LastPrefixes", prefix);
2247                 ipconfig->last_dhcpv6_prefixes =
2248                         g_key_file_get_string_list(keyfile, identifier, pprefix,
2249                                                 &length, NULL);
2250                 if (ipconfig->last_dhcpv6_prefixes && length == 0) {
2251                         g_free(ipconfig->last_dhcpv6_prefixes);
2252                         ipconfig->last_dhcpv6_prefixes = NULL;
2253                 }
2254                 g_free(pprefix);
2255         }
2256
2257         g_free(method);
2258         g_free(key);
2259
2260         switch (ipconfig->method) {
2261         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2262         case CONNMAN_IPCONFIG_METHOD_OFF:
2263                 break;
2264
2265         case CONNMAN_IPCONFIG_METHOD_FIXED:
2266         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2267
2268                 key = g_strdup_printf("%snetmask_prefixlen", prefix);
2269                 ipconfig->address->prefixlen = g_key_file_get_integer(
2270                                 keyfile, identifier, key, NULL);
2271                 g_free(key);
2272
2273                 key = g_strdup_printf("%slocal_address", prefix);
2274                 g_free(ipconfig->address->local);
2275                 ipconfig->address->local = g_key_file_get_string(
2276                         keyfile, identifier, key, NULL);
2277                 g_free(key);
2278
2279                 key = g_strdup_printf("%speer_address", prefix);
2280                 g_free(ipconfig->address->peer);
2281                 ipconfig->address->peer = g_key_file_get_string(
2282                                 keyfile, identifier, key, NULL);
2283                 g_free(key);
2284
2285                 key = g_strdup_printf("%sbroadcast_address", prefix);
2286                 g_free(ipconfig->address->broadcast);
2287                 ipconfig->address->broadcast = g_key_file_get_string(
2288                                 keyfile, identifier, key, NULL);
2289                 g_free(key);
2290
2291                 key = g_strdup_printf("%sgateway", prefix);
2292                 g_free(ipconfig->address->gateway);
2293                 ipconfig->address->gateway = g_key_file_get_string(
2294                                 keyfile, identifier, key, NULL);
2295                 g_free(key);
2296                 break;
2297
2298         case CONNMAN_IPCONFIG_METHOD_AUTO:
2299
2300                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
2301                         break;
2302
2303                 /*
2304                  * If the last used method for IPv4 was AUTO then we
2305                  * try first DHCP. We will try also to use the last
2306                  * used DHCP address, if exits.
2307                  */
2308                 __connman_ipconfig_set_method(ipconfig,
2309                                         CONNMAN_IPCONFIG_METHOD_DHCP);
2310                 /* fall through */
2311
2312         case CONNMAN_IPCONFIG_METHOD_DHCP:
2313
2314                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2315                 str = g_key_file_get_string(keyfile, identifier, key, NULL);
2316                 if (str) {
2317                         g_free(ipconfig->last_dhcp_address);
2318                         ipconfig->last_dhcp_address = str;
2319                 }
2320                 g_free(key);
2321
2322                 break;
2323         }
2324
2325         return 0;
2326 }
2327
2328 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2329                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2330 {
2331         const char *method;
2332         char *key;
2333
2334         method = __connman_ipconfig_method2string(ipconfig->method);
2335
2336         DBG("ipconfig %p identifier %s method %s", ipconfig, identifier,
2337                                                                 method);
2338         if (method) {
2339                 key = g_strdup_printf("%smethod", prefix);
2340                 g_key_file_set_string(keyfile, identifier, key, method);
2341                 g_free(key);
2342         }
2343
2344         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2345                 const char *privacy;
2346                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2347                 key = g_strdup_printf("%sprivacy", prefix);
2348                 g_key_file_set_string(keyfile, identifier, key, privacy);
2349                 g_free(key);
2350
2351                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2352                 if (ipconfig->last_dhcp_address &&
2353                                 strlen(ipconfig->last_dhcp_address) > 0)
2354                         g_key_file_set_string(keyfile, identifier, key,
2355                                         ipconfig->last_dhcp_address);
2356                 else
2357                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2358                 g_free(key);
2359
2360                 key = g_strdup_printf("%sDHCP.LastPrefixes", prefix);
2361                 if (ipconfig->last_dhcpv6_prefixes &&
2362                                 ipconfig->last_dhcpv6_prefixes[0]) {
2363                         guint len =
2364                                 g_strv_length(ipconfig->last_dhcpv6_prefixes);
2365
2366                         g_key_file_set_string_list(keyfile, identifier, key,
2367                                 (const gchar **)ipconfig->last_dhcpv6_prefixes,
2368                                                 len);
2369                 } else
2370                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2371                 g_free(key);
2372         }
2373
2374         switch (ipconfig->method) {
2375         case CONNMAN_IPCONFIG_METHOD_FIXED:
2376         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2377                 break;
2378         case CONNMAN_IPCONFIG_METHOD_DHCP:
2379                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2380                 if (ipconfig->last_dhcp_address &&
2381                                 strlen(ipconfig->last_dhcp_address) > 0)
2382                         g_key_file_set_string(keyfile, identifier, key,
2383                                         ipconfig->last_dhcp_address);
2384                 else
2385                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2386                 g_free(key);
2387                 /* fall through */
2388         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2389         case CONNMAN_IPCONFIG_METHOD_OFF:
2390         case CONNMAN_IPCONFIG_METHOD_AUTO:
2391                 return 0;
2392         }
2393
2394         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2395         if (ipconfig->address->prefixlen != 0)
2396                 g_key_file_set_integer(keyfile, identifier,
2397                                 key, ipconfig->address->prefixlen);
2398         g_free(key);
2399
2400         key = g_strdup_printf("%slocal_address", prefix);
2401         if (ipconfig->address->local)
2402                 g_key_file_set_string(keyfile, identifier,
2403                                 key, ipconfig->address->local);
2404         g_free(key);
2405
2406         key = g_strdup_printf("%speer_address", prefix);
2407         if (ipconfig->address->peer)
2408                 g_key_file_set_string(keyfile, identifier,
2409                                 key, ipconfig->address->peer);
2410         g_free(key);
2411
2412         key = g_strdup_printf("%sbroadcast_address", prefix);
2413         if (ipconfig->address->broadcast)
2414                 g_key_file_set_string(keyfile, identifier,
2415                         key, ipconfig->address->broadcast);
2416         g_free(key);
2417
2418         key = g_strdup_printf("%sgateway", prefix);
2419         if (ipconfig->address->gateway)
2420                 g_key_file_set_string(keyfile, identifier,
2421                         key, ipconfig->address->gateway);
2422         else
2423                 g_key_file_remove_key(keyfile, identifier, key, NULL);
2424         g_free(key);
2425
2426         return 0;
2427 }
2428
2429 int __connman_ipconfig_init(void)
2430 {
2431         DBG("");
2432
2433         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2434                                                         NULL, free_ipdevice);
2435
2436         is_ipv6_supported = connman_inet_is_ipv6_supported();
2437
2438         return 0;
2439 }
2440
2441 void __connman_ipconfig_cleanup(void)
2442 {
2443         DBG("");
2444
2445         g_hash_table_destroy(ipdevice_hash);
2446         ipdevice_hash = NULL;
2447 }