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 <stdio.h>
  27 #include <net/if.h>
  28 #include <net/if_arp.h>
  29 #include <linux/if_link.h>
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #ifndef IFF_LOWER_UP
  34 #define IFF_LOWER_UP    0x10000
  35 #endif
  36
  37 #include <gdbus.h>
  38
  39 #include "connman.h"
  40
  41 struct connman_ipconfig {
  42         gint refcount;
  43         int index;
  44         enum connman_ipconfig_type type;
  45
  46         struct connman_ipconfig *origin;
  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         int ipv6_privacy_config;
  56 };
  57
  58 struct connman_ipdevice {
  59         int index;
  60         char *ifname;
  61         unsigned short type;
  62         unsigned int flags;
  63         char *address;
  64         uint16_t mtu;
  65         uint32_t rx_packets;
  66         uint32_t tx_packets;
  67         uint32_t rx_bytes;
  68         uint32_t tx_bytes;
  69         uint32_t rx_errors;
  70         uint32_t tx_errors;
  71         uint32_t rx_dropped;
  72         uint32_t tx_dropped;
  73
  74         GSList *address_list;
  75         char *ipv4_gateway;
  76         char *ipv6_gateway;
  77
  78         char *pac;
  79
  80         struct connman_ipconfig *config_ipv4;
  81         struct connman_ipconfig *config_ipv6;
  82
  83         gboolean ipv6_enabled;
  84         int ipv6_privacy;
  85 };
  86
  87 static GHashTable *ipdevice_hash = NULL;
  88 static GList *ipconfig_list = NULL;
  89
  90 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  91 {
  92         struct connman_ipaddress *ipaddress;
  93
  94         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  95         if (ipaddress == NULL)
  96                 return NULL;
  97
  98         ipaddress->family = family;
  99         ipaddress->prefixlen = 0;
 100         ipaddress->local = NULL;
 101         ipaddress->peer = NULL;
 102         ipaddress->broadcast = NULL;
 103         ipaddress->gateway = NULL;
 104
 105         return ipaddress;
 106 }
 107
 108 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 109 {
 110         if (ipaddress == NULL)
 111                 return;
 112
 113         g_free(ipaddress->broadcast);
 114         g_free(ipaddress->peer);
 115         g_free(ipaddress->local);
 116         g_free(ipaddress->gateway);
 117         g_free(ipaddress);
 118 }
 119
 120 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 121 {
 122         unsigned char bits;
 123         in_addr_t mask;
 124         in_addr_t host;
 125
 126         if (netmask == NULL)
 127                 return 32;
 128
 129         mask = inet_network(netmask);
 130         host = ~mask;
 131
 132         /* a valid netmask must be 2^n - 1 */
 133         if ((host & (host + 1)) != 0)
 134                 return -1;
 135
 136         bits = 0;
 137         for (; mask; mask <<= 1)
 138                 ++bits;
 139
 140         return bits;
 141 }
 142
 143 static gboolean check_ipv6_address(const char *address)
 144 {
 145         unsigned char buf[sizeof(struct in6_addr)];
 146         int err;
 147
 148         err = inet_pton(AF_INET6, address, buf);
 149         if (err > 0)
 150                 return TRUE;
 151
 152         return FALSE;
 153 }
 154
 155 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 156                                 const char *address, const char *gateway,
 157                                                 unsigned char prefix_length)
 158 {
 159         if (ipaddress == NULL)
 160                 return -EINVAL;
 161
 162         if (check_ipv6_address(address) == FALSE)
 163                 return -EINVAL;
 164
 165         if (check_ipv6_address(gateway) == FALSE)
 166                 return -EINVAL;
 167
 168         DBG("prefix_len %d address %s gateway %s",
 169                         prefix_length, address, gateway);
 170
 171         ipaddress->prefixlen = prefix_length;
 172
 173         g_free(ipaddress->local);
 174         ipaddress->local = g_strdup(address);
 175
 176         g_free(ipaddress->gateway);
 177         ipaddress->gateway = g_strdup(gateway);
 178
 179         return 0;
 180 }
 181
 182 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 183                 const char *address, const char *netmask, const char *gateway)
 184 {
 185         if (ipaddress == NULL)
 186                 return;
 187
 188         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 189
 190         g_free(ipaddress->local);
 191         ipaddress->local = g_strdup(address);
 192
 193         g_free(ipaddress->gateway);
 194         ipaddress->gateway = g_strdup(gateway);
 195 }
 196
 197 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 198 {
 199         if (ipaddress == NULL)
 200                 return;
 201
 202         ipaddress->prefixlen = 0;
 203
 204         g_free(ipaddress->local);
 205         ipaddress->local = NULL;
 206
 207         g_free(ipaddress->peer);
 208         ipaddress->peer = NULL;
 209
 210         g_free(ipaddress->broadcast);
 211         ipaddress->broadcast = NULL;
 212
 213         g_free(ipaddress->gateway);
 214         ipaddress->gateway = NULL;
 215 }
 216
 217 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 218                                         struct connman_ipaddress *source)
 219 {
 220         if (ipaddress == NULL || source == NULL)
 221                 return;
 222
 223         ipaddress->family = source->family;
 224         ipaddress->prefixlen = source->prefixlen;
 225
 226         g_free(ipaddress->local);
 227         ipaddress->local = g_strdup(source->local);
 228
 229         g_free(ipaddress->peer);
 230         ipaddress->peer = g_strdup(source->peer);
 231
 232         g_free(ipaddress->broadcast);
 233         ipaddress->broadcast = g_strdup(source->broadcast);
 234
 235         g_free(ipaddress->gateway);
 236         ipaddress->gateway = g_strdup(source->gateway);
 237 }
 238
 239 static void free_address_list(struct connman_ipdevice *ipdevice)
 240 {
 241         GSList *list;
 242
 243         for (list = ipdevice->address_list; list; list = list->next) {
 244                 struct connman_ipaddress *ipaddress = list->data;
 245
 246                 connman_ipaddress_free(ipaddress);
 247                 list->data = NULL;
 248         }
 249
 250         g_slist_free(ipdevice->address_list);
 251         ipdevice->address_list = NULL;
 252 }
 253
 254 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 255                                 unsigned char prefixlen, const char *local)
 256 {
 257         GSList *list;
 258
 259         for (list = ipdevice->address_list; list; list = list->next) {
 260                 struct connman_ipaddress *ipaddress = list->data;
 261
 262                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 263                                         ipaddress->prefixlen == prefixlen)
 264                         return ipaddress;
 265         }
 266
 267         return NULL;
 268 }
 269
 270 static const char *type2str(unsigned short type)
 271 {
 272         switch (type) {
 273         case ARPHRD_ETHER:
 274                 return "ETHER";
 275         case ARPHRD_LOOPBACK:
 276                 return "LOOPBACK";
 277         case ARPHRD_PPP:
 278                 return "PPP";
 279         case ARPHRD_NONE:
 280                 return "NONE";
 281         case ARPHRD_VOID:
 282                 return "VOID";
 283         }
 284
 285         return "";
 286 }
 287
 288 static const char *scope2str(unsigned char scope)
 289 {
 290         switch (scope) {
 291         case 0:
 292                 return "UNIVERSE";
 293         case 253:
 294                 return "LINK";
 295         }
 296
 297         return "";
 298 }
 299
 300 static gboolean get_ipv6_state(gchar *ifname)
 301 {
 302         int disabled;
 303         gchar *path;
 304         FILE *f;
 305         gboolean enabled = FALSE;
 306
 307         if (ifname == NULL)
 308                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 309         else
 310                 path = g_strdup_printf(
 311                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 312
 313         if (path == NULL)
 314                 return enabled;
 315
 316         f = fopen(path, "r");
 317
 318         g_free(path);
 319
 320         if (f != NULL) {
 321                 if (fscanf(f, "%d", &disabled) > 0)
 322                         enabled = !disabled;
 323                 fclose(f);
 324         }
 325
 326         return enabled;
 327 }
 328
 329 static void set_ipv6_state(gchar *ifname, gboolean enable)
 330 {
 331         gchar *path;
 332         FILE *f;
 333
 334         if (ifname == NULL)
 335                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 336         else
 337                 path = g_strdup_printf(
 338                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 339
 340         if (path == NULL)
 341                 return;
 342
 343         f = fopen(path, "r+");
 344
 345         g_free(path);
 346
 347         if (f == NULL)
 348                 return;
 349
 350         if (enable == FALSE)
 351                 fprintf(f, "1");
 352         else
 353                 fprintf(f, "0");
 354
 355         fclose(f);
 356 }
 357
 358 static int get_ipv6_privacy(gchar *ifname)
 359 {
 360         gchar *path;
 361         FILE *f;
 362         int value;
 363
 364         if (ifname == NULL)
 365                 return 0;
 366
 367         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 368                                                                 ifname);
 369
 370         if (path == NULL)
 371                 return 0;
 372
 373         f = fopen(path, "r");
 374
 375         g_free(path);
 376
 377         if (f == NULL)
 378                 return 0;
 379
 380         if (fscanf(f, "%d", &value) <= 0)
 381                 value = 0;
 382
 383         fclose(f);
 384
 385         return value;
 386 }
 387
 388 /* Enable the IPv6 privacy extension for stateless address autoconfiguration.
 389  * The privacy extension is described in RFC 3041 and RFC 4941
 390  */
 391 static void set_ipv6_privacy(gchar *ifname, int value)
 392 {
 393         gchar *path;
 394         FILE *f;
 395
 396         if (ifname == NULL)
 397                 return;
 398
 399         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 400                                                                 ifname);
 401
 402         if (path == NULL)
 403                 return;
 404
 405         if (value < 0)
 406                 value = 0;
 407
 408         f = fopen(path, "r+");
 409
 410         g_free(path);
 411
 412         if (f == NULL)
 413                 return;
 414
 415         fprintf(f, "%d", value);
 416         fclose(f);
 417 }
 418
 419 static void free_ipdevice(gpointer data)
 420 {
 421         struct connman_ipdevice *ipdevice = data;
 422
 423         connman_info("%s {remove} index %d", ipdevice->ifname,
 424                                                         ipdevice->index);
 425
 426         if (ipdevice->config_ipv4 != NULL) {
 427                 connman_ipconfig_unref(ipdevice->config_ipv4);
 428                 ipdevice->config_ipv4 = NULL;
 429         }
 430
 431         if (ipdevice->config_ipv6 != NULL) {
 432                 connman_ipconfig_unref(ipdevice->config_ipv6);
 433                 ipdevice->config_ipv6 = NULL;
 434         }
 435
 436         free_address_list(ipdevice);
 437         g_free(ipdevice->ipv4_gateway);
 438         g_free(ipdevice->ipv6_gateway);
 439         g_free(ipdevice->pac);
 440
 441         g_free(ipdevice->address);
 442
 443         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 444         set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
 445
 446         g_free(ipdevice->ifname);
 447         g_free(ipdevice);
 448 }
 449
 450 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 451 {
 452         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 453                                         ipdevice->config_ipv6);
 454 }
 455
 456 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 457 {
 458         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 459                                         ipdevice->config_ipv6);
 460
 461         if (ipdevice->config_ipv4)
 462                 connman_inet_clear_address(ipdevice->index,
 463                                         ipdevice->config_ipv4->address);
 464
 465         if (ipdevice->config_ipv6)
 466                 connman_inet_clear_ipv6_address(ipdevice->index,
 467                                 ipdevice->config_ipv6->address->local,
 468                                 ipdevice->config_ipv6->address->prefixlen);
 469 }
 470
 471 static void update_stats(struct connman_ipdevice *ipdevice,
 472                                                 struct rtnl_link_stats *stats)
 473 {
 474         struct connman_service *service;
 475
 476         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 477                 return;
 478
 479         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 480                                         stats->rx_packets, stats->rx_bytes);
 481         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 482                                         stats->tx_packets, stats->tx_bytes);
 483
 484         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 485                 return;
 486
 487         if (ipdevice->config_ipv4)
 488                 service = connman_ipconfig_get_data(ipdevice->config_ipv4);
 489         else if (ipdevice->config_ipv6)
 490                 service = connman_ipconfig_get_data(ipdevice->config_ipv6);
 491         else
 492                 return;
 493
 494         if (service == NULL)
 495                 return;
 496
 497         ipdevice->rx_packets = stats->rx_packets;
 498         ipdevice->tx_packets = stats->tx_packets;
 499         ipdevice->rx_bytes = stats->rx_bytes;
 500         ipdevice->tx_bytes = stats->tx_bytes;
 501         ipdevice->rx_errors = stats->rx_errors;
 502         ipdevice->tx_errors = stats->tx_errors;
 503         ipdevice->rx_dropped = stats->rx_dropped;
 504         ipdevice->tx_dropped = stats->tx_dropped;
 505
 506         __connman_service_notify(service,
 507                                 ipdevice->rx_packets, ipdevice->tx_packets,
 508                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 509                                 ipdevice->rx_errors, ipdevice->tx_errors,
 510                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 511 }
 512
 513 void __connman_ipconfig_newlink(int index, unsigned short type,
 514                                 unsigned int flags, const char *address,
 515                                                         unsigned short mtu,
 516                                                 struct rtnl_link_stats *stats)
 517 {
 518         struct connman_ipdevice *ipdevice;
 519         GList *list;
 520         GString *str;
 521         gboolean up = FALSE, down = FALSE;
 522         gboolean lower_up = FALSE, lower_down = FALSE;
 523
 524         DBG("index %d", index);
 525
 526         if (type == ARPHRD_LOOPBACK)
 527                 return;
 528
 529         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 530         if (ipdevice != NULL)
 531                 goto update;
 532
 533         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 534         if (ipdevice == NULL)
 535                 return;
 536
 537         ipdevice->index = index;
 538         ipdevice->ifname = connman_inet_ifname(index);
 539         ipdevice->type = type;
 540
 541         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 542         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 543
 544         ipdevice->address = g_strdup(address);
 545
 546         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 547
 548         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 549                                                 index, type, type2str(type));
 550
 551 update:
 552         ipdevice->mtu = mtu;
 553
 554         update_stats(ipdevice, stats);
 555
 556         if (flags == ipdevice->flags)
 557                 return;
 558
 559         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 560                 if (flags & IFF_UP)
 561                         up = TRUE;
 562                 else
 563                         down = TRUE;
 564         }
 565
 566         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 567                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 568                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 569                                         (IFF_RUNNING | IFF_LOWER_UP))
 570                         lower_up = TRUE;
 571                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 572                         lower_down = TRUE;
 573         }
 574
 575         ipdevice->flags = flags;
 576
 577         str = g_string_new(NULL);
 578         if (str == NULL)
 579                 return;
 580
 581         if (flags & IFF_UP)
 582                 g_string_append(str, "UP");
 583         else
 584                 g_string_append(str, "DOWN");
 585
 586         if (flags & IFF_RUNNING)
 587                 g_string_append(str, ",RUNNING");
 588
 589         if (flags & IFF_LOWER_UP)
 590                 g_string_append(str, ",LOWER_UP");
 591
 592         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 593                                                         flags, str->str);
 594
 595         g_string_free(str, TRUE);
 596
 597         for (list = g_list_first(ipconfig_list); list;
 598                                                 list = g_list_next(list)) {
 599                 struct connman_ipconfig *ipconfig = list->data;
 600
 601                 if (index != ipconfig->index)
 602                         continue;
 603
 604                 if (ipconfig->ops == NULL)
 605                         continue;
 606
 607                 if (up == TRUE && ipconfig->ops->up)
 608                         ipconfig->ops->up(ipconfig);
 609                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 610                         ipconfig->ops->lower_up(ipconfig);
 611
 612                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 613                         ipconfig->ops->lower_down(ipconfig);
 614                 if (down == TRUE && ipconfig->ops->down)
 615                         ipconfig->ops->down(ipconfig);
 616         }
 617
 618         if (lower_up)
 619                 __connman_ipconfig_lower_up(ipdevice);
 620         if (lower_down)
 621                 __connman_ipconfig_lower_down(ipdevice);
 622 }
 623
 624 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 625 {
 626         struct connman_ipdevice *ipdevice;
 627         GList *list;
 628
 629         DBG("index %d", index);
 630
 631         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 632         if (ipdevice == NULL)
 633                 return;
 634
 635         update_stats(ipdevice, stats);
 636
 637         for (list = g_list_first(ipconfig_list); list;
 638                                                 list = g_list_next(list)) {
 639                 struct connman_ipconfig *ipconfig = list->data;
 640
 641                 if (index != ipconfig->index)
 642                         continue;
 643
 644                 ipconfig->index = -1;
 645
 646                 if (ipconfig->ops == NULL)
 647                         continue;
 648
 649                 if (ipconfig->ops->lower_down)
 650                         ipconfig->ops->lower_down(ipconfig);
 651                 if (ipconfig->ops->down)
 652                         ipconfig->ops->down(ipconfig);
 653         }
 654
 655         __connman_ipconfig_lower_down(ipdevice);
 656
 657         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 658 }
 659
 660 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 661 {
 662         const struct connman_ipaddress *addr1 = a;
 663         const struct connman_ipaddress *addr2 = b;
 664
 665         if (addr1->prefixlen != addr2->prefixlen)
 666                 return addr2->prefixlen - addr1->prefixlen;
 667
 668         return g_strcmp0(addr1->local, addr2->local);
 669 }
 670
 671 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 672                                 unsigned char prefixlen, const char *address)
 673 {
 674         struct connman_ipdevice *ipdevice;
 675         struct connman_ipaddress *ipaddress;
 676         GList *list;
 677
 678         DBG("index %d", index);
 679
 680         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 681         if (ipdevice == NULL)
 682                 return;
 683
 684         ipaddress = connman_ipaddress_alloc(family);
 685         if (ipaddress == NULL)
 686                 return;
 687
 688         ipaddress->prefixlen = prefixlen;
 689         ipaddress->local = g_strdup(address);
 690
 691         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 692                                         check_duplicate_address)) {
 693                 connman_ipaddress_free(ipaddress);
 694                 return;
 695         }
 696
 697         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 698                                                                 ipaddress);
 699
 700         connman_info("%s {add} address %s/%u label %s family %d",
 701                 ipdevice->ifname, address, prefixlen, label, family);
 702
 703         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 704                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 705                                         ipaddress);
 706
 707         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 708                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 709                                         ipaddress);
 710         else
 711                 return;
 712
 713         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 714                 return;
 715
 716         for (list = g_list_first(ipconfig_list); list;
 717                                                 list = g_list_next(list)) {
 718                 struct connman_ipconfig *ipconfig = list->data;
 719
 720                 if (index != ipconfig->index)
 721                         continue;
 722
 723                 if (ipconfig->ops == NULL)
 724                         continue;
 725
 726                 if (ipconfig->ops->ip_bound)
 727                         ipconfig->ops->ip_bound(ipconfig);
 728         }
 729 }
 730
 731 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 732                                 unsigned char prefixlen, const char *address)
 733 {
 734         struct connman_ipdevice *ipdevice;
 735         struct connman_ipaddress *ipaddress;
 736         GList *list;
 737
 738         DBG("index %d", index);
 739
 740         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 741         if (ipdevice == NULL)
 742                 return;
 743
 744         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 745         if (ipaddress == NULL)
 746                 return;
 747
 748         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 749                                                                 ipaddress);
 750
 751         connman_ipaddress_clear(ipaddress);
 752         g_free(ipaddress);
 753
 754         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 755                                                 address, prefixlen, label);
 756
 757         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 758                 return;
 759
 760         if (g_slist_length(ipdevice->address_list) > 0)
 761                 return;
 762
 763         for (list = g_list_first(ipconfig_list); list;
 764                                                 list = g_list_next(list)) {
 765                 struct connman_ipconfig *ipconfig = list->data;
 766
 767                 if (index != ipconfig->index)
 768                         continue;
 769
 770                 if (ipconfig->ops == NULL)
 771                         continue;
 772
 773                 if (ipconfig->ops->ip_release)
 774                         ipconfig->ops->ip_release(ipconfig);
 775         }
 776 }
 777
 778 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 779                                         const char *dst, const char *gateway)
 780 {
 781         struct connman_ipdevice *ipdevice;
 782
 783         DBG("index %d", index);
 784
 785         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 786         if (ipdevice == NULL)
 787                 return;
 788
 789         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 790                 GSList *list;
 791                 GList *config_list;
 792
 793                 if (family == AF_INET6) {
 794                         g_free(ipdevice->ipv6_gateway);
 795                         ipdevice->ipv6_gateway = g_strdup(gateway);
 796
 797                         if (ipdevice->config_ipv6 != NULL &&
 798                                 ipdevice->config_ipv6->system != NULL) {
 799                                 g_free(ipdevice->config_ipv6->system->gateway);
 800                                 ipdevice->config_ipv6->system->gateway =
 801                                         g_strdup(gateway);
 802                         }
 803                 } else {
 804                         g_free(ipdevice->ipv4_gateway);
 805                         ipdevice->ipv4_gateway = g_strdup(gateway);
 806
 807                         if (ipdevice->config_ipv4 != NULL &&
 808                                 ipdevice->config_ipv4->system != NULL) {
 809                                 g_free(ipdevice->config_ipv4->system->gateway);
 810                                 ipdevice->config_ipv4->system->gateway =
 811                                         g_strdup(gateway);
 812                         }
 813                 }
 814
 815                 for (list = ipdevice->address_list; list; list = list->next) {
 816                         struct connman_ipaddress *ipaddress = list->data;
 817
 818                         g_free(ipaddress->gateway);
 819                         ipaddress->gateway = g_strdup(gateway);
 820                 }
 821
 822                 for (config_list = g_list_first(ipconfig_list); config_list;
 823                                         config_list = g_list_next(config_list)) {
 824                         struct connman_ipconfig *ipconfig = config_list->data;
 825
 826                         if (index != ipconfig->index)
 827                                 continue;
 828
 829                         if (ipconfig->ops == NULL)
 830                                 continue;
 831
 832                         if (ipconfig->ops->ip_bound)
 833                                 ipconfig->ops->ip_bound(ipconfig);
 834                 }
 835         }
 836
 837         connman_info("%s {add} route %s gw %s scope %u <%s>",
 838                                         ipdevice->ifname, dst, gateway,
 839                                                 scope, scope2str(scope));
 840 }
 841
 842 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 843                                         const char *dst, const char *gateway)
 844 {
 845         struct connman_ipdevice *ipdevice;
 846
 847         DBG("index %d", index);
 848
 849         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 850         if (ipdevice == NULL)
 851                 return;
 852
 853         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 854                 GSList *list;
 855                 GList *config_list;
 856
 857                 if (family == AF_INET6) {
 858                         g_free(ipdevice->ipv6_gateway);
 859                         ipdevice->ipv6_gateway = NULL;
 860
 861                         if (ipdevice->config_ipv6 != NULL &&
 862                                 ipdevice->config_ipv6->system != NULL) {
 863                                 g_free(ipdevice->config_ipv6->system->gateway);
 864                                 ipdevice->config_ipv6->system->gateway = NULL;
 865                         }
 866                 } else {
 867                         g_free(ipdevice->ipv4_gateway);
 868                         ipdevice->ipv4_gateway = NULL;
 869
 870                         if (ipdevice->config_ipv4 != NULL &&
 871                                 ipdevice->config_ipv4->system != NULL) {
 872                                 g_free(ipdevice->config_ipv4->system->gateway);
 873                                 ipdevice->config_ipv4->system->gateway = NULL;
 874                         }
 875                 }
 876
 877                 for (list = ipdevice->address_list; list; list = list->next) {
 878                         struct connman_ipaddress *ipaddress = list->data;
 879
 880                         g_free(ipaddress->gateway);
 881                         ipaddress->gateway = NULL;
 882                 }
 883
 884                 for (config_list = g_list_first(ipconfig_list); config_list;
 885                                         config_list = g_list_next(config_list)) {
 886                         struct connman_ipconfig *ipconfig = config_list->data;
 887
 888                         if (index != ipconfig->index)
 889                                 continue;
 890
 891                         if (ipconfig->ops == NULL)
 892                                 continue;
 893
 894                         if (ipconfig->ops->ip_release)
 895                                 ipconfig->ops->ip_release(ipconfig);
 896                 }
 897         }
 898
 899         connman_info("%s {del} route %s gw %s scope %u <%s>",
 900                                         ipdevice->ifname, dst, gateway,
 901                                                 scope, scope2str(scope));
 902 }
 903
 904 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 905                                                         void *user_data)
 906 {
 907         GList *list, *keys;
 908
 909         keys = g_hash_table_get_keys(ipdevice_hash);
 910         if (keys == NULL)
 911                 return;
 912
 913         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 914                 int index = GPOINTER_TO_INT(list->data);
 915
 916                 function(index, user_data);
 917         }
 918
 919         g_list_free(keys);
 920 }
 921
 922 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
 923                                         struct connman_ipconfig *ipconfig)
 924 {
 925         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
 926 }
 927
 928 unsigned short __connman_ipconfig_get_type_from_index(int index)
 929 {
 930         struct connman_ipdevice *ipdevice;
 931
 932         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 933         if (ipdevice == NULL)
 934                 return ARPHRD_VOID;
 935
 936         return ipdevice->type;
 937 }
 938
 939 unsigned int __connman_ipconfig_get_flags_from_index(int index)
 940 {
 941         struct connman_ipdevice *ipdevice;
 942
 943         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 944         if (ipdevice == NULL)
 945                 return 0;
 946
 947         return ipdevice->flags;
 948 }
 949
 950 const char *__connman_ipconfig_get_gateway_from_index(int index)
 951 {
 952         struct connman_ipdevice *ipdevice;
 953
 954         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 955         if (ipdevice == NULL)
 956                 return NULL;
 957
 958         if (ipdevice->ipv4_gateway != NULL)
 959                 return ipdevice->ipv4_gateway;
 960
 961         if (ipdevice->config_ipv4 != NULL &&
 962                         ipdevice->config_ipv4->address != NULL)
 963                 return ipdevice->config_ipv4->address->gateway;
 964
 965         if (ipdevice->ipv6_gateway != NULL)
 966                 return ipdevice->ipv6_gateway;
 967
 968         if (ipdevice->config_ipv6 != NULL &&
 969                         ipdevice->config_ipv6->address != NULL)
 970                 return ipdevice->config_ipv6->address->gateway;
 971
 972         return NULL;
 973 }
 974
 975 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 976 {
 977         ipconfig->index = index;
 978 }
 979
 980 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 981 {
 982         if (ipconfig->address == NULL)
 983                 return NULL;
 984
 985         return ipconfig->address->local;
 986 }
 987
 988 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
 989 {
 990         if (ipconfig->address == NULL)
 991                 return;
 992
 993         g_free(ipconfig->address->local);
 994         ipconfig->address->local = g_strdup(address);
 995 }
 996
 997 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
 998 {
 999         if (ipconfig->address == NULL)
1000                 return NULL;
1001
1002         return ipconfig->address->peer;
1003 }
1004
1005 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
1006 {
1007         if (ipconfig->address == NULL)
1008                 return;
1009
1010         g_free(ipconfig->address->peer);
1011         ipconfig->address->peer = g_strdup(address);
1012 }
1013
1014 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1015 {
1016         if (ipconfig->address == NULL)
1017                 return NULL;
1018
1019         return ipconfig->address->broadcast;
1020 }
1021
1022 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1023 {
1024         if (ipconfig->address == NULL)
1025                 return;
1026
1027         g_free(ipconfig->address->broadcast);
1028         ipconfig->address->broadcast = g_strdup(broadcast);
1029 }
1030
1031 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1032 {
1033         if (ipconfig->address == NULL)
1034                 return NULL;
1035
1036         return ipconfig->address->gateway;
1037 }
1038
1039 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1040 {
1041         struct connman_service *service;
1042
1043         if (ipconfig->address == NULL)
1044                 return;
1045
1046         service = __connman_service_lookup_from_index(ipconfig->index);
1047         if (service != NULL)
1048                 __connman_connection_gateway_remove(service);
1049
1050         g_free(ipconfig->address->gateway);
1051         ipconfig->address->gateway = g_strdup(gateway);
1052
1053         if (service != NULL && ipconfig->address->gateway != NULL) {
1054                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1055                         __connman_connection_gateway_add(service,
1056                                                 NULL,
1057                                                 ipconfig->address->gateway,
1058                                                 ipconfig->address->peer);
1059                 } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1060                         __connman_connection_gateway_add(service,
1061                                                 ipconfig->address->gateway,
1062                                                 NULL,
1063                                                 ipconfig->address->peer);
1064                 }
1065         }
1066 }
1067
1068 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1069 {
1070         if (ipconfig->address == NULL)
1071                 return 0;
1072
1073         return ipconfig->address->prefixlen;
1074 }
1075
1076 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1077 {
1078         if (ipconfig->address == NULL)
1079                 return;
1080
1081         ipconfig->address->prefixlen = prefixlen;
1082 }
1083
1084 static struct connman_ipconfig *create_ipv6config(int index)
1085 {
1086         struct connman_ipconfig *ipv6config;
1087
1088         DBG("index %d", index);
1089
1090         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1091         if (ipv6config == NULL)
1092                 return NULL;
1093
1094         ipv6config->refcount = 1;
1095
1096         ipv6config->index = index;
1097         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1098         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1099         ipv6config->ipv6_privacy_config = 0;
1100
1101         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1102         if (ipv6config->address == NULL) {
1103                 g_free(ipv6config);
1104                 return NULL;
1105         }
1106
1107         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1108
1109         DBG("ipconfig %p", ipv6config);
1110
1111         return ipv6config;
1112 }
1113
1114 /**
1115  * connman_ipconfig_create:
1116  *
1117  * Allocate a new ipconfig structure.
1118  *
1119  * Returns: a newly-allocated #connman_ipconfig structure
1120  */
1121 struct connman_ipconfig *connman_ipconfig_create(int index,
1122                                         enum connman_ipconfig_type type)
1123 {
1124         struct connman_ipconfig *ipconfig;
1125
1126         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1127                 return create_ipv6config(index);
1128
1129         DBG("index %d", index);
1130
1131         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1132         if (ipconfig == NULL)
1133                 return NULL;
1134
1135         ipconfig->refcount = 1;
1136
1137         ipconfig->index = index;
1138         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1139
1140         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1141         if (ipconfig->address == NULL) {
1142                 g_free(ipconfig);
1143                 return NULL;
1144         }
1145
1146         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1147
1148         DBG("ipconfig %p", ipconfig);
1149
1150         return ipconfig;
1151 }
1152
1153
1154 /**
1155  * connman_ipconfig_ref:
1156  * @ipconfig: ipconfig structure
1157  *
1158  * Increase reference counter of ipconfig
1159  */
1160 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
1161 {
1162         DBG("ipconfig %p refcount %d", ipconfig,
1163                                 g_atomic_int_get(&ipconfig->refcount) + 1);
1164
1165         g_atomic_int_inc(&ipconfig->refcount);
1166
1167         return ipconfig;
1168 }
1169
1170 /**
1171  * connman_ipconfig_unref:
1172  * @ipconfig: ipconfig structure
1173  *
1174  * Decrease reference counter of ipconfig
1175  */
1176 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1177 {
1178         if (ipconfig == NULL)
1179                 return;
1180
1181         DBG("ipconfig %p refcount %d", ipconfig,
1182                         g_atomic_int_get(&ipconfig->refcount) - 1);
1183
1184         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1185                 __connman_ipconfig_disable(ipconfig);
1186
1187                 connman_ipconfig_set_ops(ipconfig, NULL);
1188
1189                 if (ipconfig->origin != NULL) {
1190                         connman_ipconfig_unref(ipconfig->origin);
1191                         ipconfig->origin = NULL;
1192                 }
1193
1194                 connman_ipaddress_free(ipconfig->system);
1195                 connman_ipaddress_free(ipconfig->address);
1196                 g_free(ipconfig);
1197         }
1198 }
1199
1200 /**
1201  * connman_ipconfig_get_data:
1202  * @ipconfig: ipconfig structure
1203  *
1204  * Get private data pointer
1205  */
1206 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1207 {
1208         if (ipconfig == NULL)
1209                 return NULL;
1210
1211         return ipconfig->ops_data;
1212 }
1213
1214 /**
1215  * connman_ipconfig_set_data:
1216  * @ipconfig: ipconfig structure
1217  * @data: data pointer
1218  *
1219  * Set private data pointer
1220  */
1221 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1222 {
1223         ipconfig->ops_data = data;
1224 }
1225
1226 /**
1227  * connman_ipconfig_get_index:
1228  * @ipconfig: ipconfig structure
1229  *
1230  * Get interface index
1231  */
1232 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1233 {
1234         if (ipconfig == NULL)
1235                 return -1;
1236
1237         if (ipconfig->origin != NULL)
1238                 return ipconfig->origin->index;
1239
1240         return ipconfig->index;
1241 }
1242
1243 /**
1244  * connman_ipconfig_get_ifname:
1245  * @ipconfig: ipconfig structure
1246  *
1247  * Get interface name
1248  */
1249 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1250 {
1251         struct connman_ipdevice *ipdevice;
1252
1253         if (ipconfig == NULL)
1254                 return NULL;
1255
1256         if (ipconfig->index < 0)
1257                 return NULL;
1258
1259         ipdevice = g_hash_table_lookup(ipdevice_hash,
1260                                         GINT_TO_POINTER(ipconfig->index));
1261         if (ipdevice == NULL)
1262                 return NULL;
1263
1264         return ipdevice->ifname;
1265 }
1266
1267 /**
1268  * connman_ipconfig_set_ops:
1269  * @ipconfig: ipconfig structure
1270  * @ops: operation callbacks
1271  *
1272  * Set the operation callbacks
1273  */
1274 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1275                                 const struct connman_ipconfig_ops *ops)
1276 {
1277         ipconfig->ops = ops;
1278 }
1279
1280 /**
1281  * connman_ipconfig_set_method:
1282  * @ipconfig: ipconfig structure
1283  * @method: configuration method
1284  *
1285  * Set the configuration method
1286  */
1287 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1288                                         enum connman_ipconfig_method method)
1289 {
1290         ipconfig->method = method;
1291
1292         return 0;
1293 }
1294
1295 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1296 {
1297         if (ipconfig == NULL)
1298                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1299
1300         return ipconfig->method;
1301 }
1302
1303 /**
1304  * connman_ipconfig_bind:
1305  * @ipconfig: ipconfig structure
1306  * @ipaddress: ipaddress structure
1307  *
1308  * Bind IP address details to configuration
1309  */
1310 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1311                                         struct connman_ipaddress *ipaddress)
1312 {
1313         struct connman_ipconfig *origin;
1314
1315         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1316
1317         connman_ipaddress_copy(origin->address, ipaddress);
1318
1319         connman_inet_set_address(origin->index, origin->address);
1320 }
1321
1322 void __connman_ipconfig_set_element_ipv6_gateway(
1323                         struct connman_ipconfig *ipconfig,
1324                                 struct connman_element *element)
1325 {
1326         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1327                 element->ipv6.gateway = ipconfig->address->gateway;
1328 }
1329
1330 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1331 {
1332         DBG("");
1333
1334         switch (ipconfig->method) {
1335         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1336         case CONNMAN_IPCONFIG_METHOD_OFF:
1337         case CONNMAN_IPCONFIG_METHOD_FIXED:
1338         case CONNMAN_IPCONFIG_METHOD_DHCP:
1339         case CONNMAN_IPCONFIG_METHOD_AUTO:
1340                 break;
1341         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1342                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1343                         return connman_inet_set_address(ipconfig->index,
1344                                                         ipconfig->address);
1345                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1346                         return connman_inet_set_ipv6_address(
1347                                         ipconfig->index, ipconfig->address);
1348         }
1349
1350         return 0;
1351 }
1352
1353 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1354 {
1355         DBG("");
1356
1357         if (ipconfig == NULL)
1358                 return 0;
1359
1360         DBG("method %d", ipconfig->method);
1361
1362         switch (ipconfig->method) {
1363         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1364         case CONNMAN_IPCONFIG_METHOD_OFF:
1365         case CONNMAN_IPCONFIG_METHOD_FIXED:
1366         case CONNMAN_IPCONFIG_METHOD_DHCP:
1367         case CONNMAN_IPCONFIG_METHOD_AUTO:
1368                 break;
1369         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1370                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1371                         return connman_inet_clear_address(ipconfig->index,
1372                                                         ipconfig->address);
1373                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1374                         return connman_inet_clear_ipv6_address(
1375                                                 ipconfig->index,
1376                                                 ipconfig->address->local,
1377                                                 ipconfig->address->prefixlen);
1378         }
1379
1380         return 0;
1381 }
1382
1383 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1384                                                         const char *url)
1385 {
1386         struct connman_ipdevice *ipdevice;
1387
1388         DBG("ipconfig %p", ipconfig);
1389
1390         if (ipconfig == NULL || ipconfig->index < 0)
1391                 return -ENODEV;
1392
1393         ipdevice = g_hash_table_lookup(ipdevice_hash,
1394                                         GINT_TO_POINTER(ipconfig->index));
1395         if (ipdevice == NULL)
1396                 return -ENXIO;
1397
1398         g_free(ipdevice->pac);
1399         ipdevice->pac = g_strdup(url);
1400
1401         return 0;
1402 }
1403
1404 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1405 {
1406         struct connman_ipdevice *ipdevice;
1407
1408         DBG("ipconfig %p", ipconfig);
1409
1410         if (ipconfig == NULL || ipconfig->index < 0)
1411                 return NULL;
1412
1413         ipdevice = g_hash_table_lookup(ipdevice_hash,
1414                                         GINT_TO_POINTER(ipconfig->index));
1415         if (ipdevice == NULL)
1416                 return NULL;
1417
1418         return ipdevice->pac;
1419 }
1420
1421 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1422 {
1423         struct connman_ipdevice *ipdevice;
1424
1425         DBG("");
1426
1427         ipdevice = g_hash_table_lookup(ipdevice_hash,
1428                                         GINT_TO_POINTER(ipconfig->index));
1429         if (ipdevice == NULL)
1430                 return;
1431
1432         set_ipv6_state(ipdevice->ifname, FALSE);
1433 }
1434
1435 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1436 {
1437         struct connman_ipdevice *ipdevice;
1438
1439         DBG("");
1440
1441         ipdevice = g_hash_table_lookup(ipdevice_hash,
1442                                         GINT_TO_POINTER(ipconfig->index));
1443         if (ipdevice == NULL)
1444                 return;
1445
1446         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1447                 set_ipv6_privacy(ipdevice->ifname,
1448                                 ipconfig->ipv6_privacy_config);
1449
1450         set_ipv6_state(ipdevice->ifname, TRUE);
1451 }
1452
1453 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1454 {
1455         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1456                 return;
1457
1458         disable_ipv6(ipconfig);
1459 }
1460
1461 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1462 {
1463         struct connman_ipdevice *ipdevice;
1464         gboolean up = FALSE, down = FALSE;
1465         gboolean lower_up = FALSE, lower_down = FALSE;
1466         enum connman_ipconfig_type type;
1467
1468         DBG("ipconfig %p", ipconfig);
1469
1470         if (ipconfig == NULL || ipconfig->index < 0)
1471                 return -ENODEV;
1472
1473         ipdevice = g_hash_table_lookup(ipdevice_hash,
1474                                         GINT_TO_POINTER(ipconfig->index));
1475         if (ipdevice == NULL)
1476                 return -ENXIO;
1477
1478         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1479                 if (ipdevice->config_ipv4 == ipconfig)
1480                         return -EALREADY;
1481                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1482         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1483                 if (ipdevice->config_ipv6 == ipconfig)
1484                         return -EALREADY;
1485                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1486                 enable_ipv6(ipconfig);
1487         } else
1488                 return -EINVAL;
1489
1490         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1491                                         ipdevice->config_ipv4 != NULL) {
1492                 ipconfig_list = g_list_remove(ipconfig_list,
1493                                                         ipdevice->config_ipv4);
1494
1495                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1496
1497                 connman_ipconfig_unref(ipdevice->config_ipv4);
1498         }
1499
1500         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1501                                         ipdevice->config_ipv6 != NULL) {
1502                 ipconfig_list = g_list_remove(ipconfig_list,
1503                                                         ipdevice->config_ipv6);
1504
1505                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1506
1507                 connman_ipconfig_unref(ipdevice->config_ipv6);
1508         }
1509
1510         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1511                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1512         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1513                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1514
1515         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1516
1517         if (ipdevice->flags & IFF_UP)
1518                 up = TRUE;
1519         else
1520                 down = TRUE;
1521
1522         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1523                         (IFF_RUNNING | IFF_LOWER_UP))
1524                 lower_up = TRUE;
1525         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1526                 lower_down = TRUE;
1527
1528         if (up == TRUE && ipconfig->ops->up)
1529                 ipconfig->ops->up(ipconfig);
1530         if (lower_up == TRUE && ipconfig->ops->lower_up)
1531                 ipconfig->ops->lower_up(ipconfig);
1532
1533         if (lower_down == TRUE && ipconfig->ops->lower_down)
1534                 ipconfig->ops->lower_down(ipconfig);
1535         if (down == TRUE && ipconfig->ops->down)
1536                 ipconfig->ops->down(ipconfig);
1537
1538         return 0;
1539 }
1540
1541 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1542 {
1543         struct connman_ipdevice *ipdevice;
1544
1545         DBG("ipconfig %p", ipconfig);
1546
1547         if (ipconfig == NULL || ipconfig->index < 0)
1548                 return -ENODEV;
1549
1550         ipdevice = g_hash_table_lookup(ipdevice_hash,
1551                                         GINT_TO_POINTER(ipconfig->index));
1552         if (ipdevice == NULL)
1553                 return -ENXIO;
1554
1555         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1556                 return -EINVAL;
1557
1558         if (ipdevice->config_ipv4 == ipconfig) {
1559                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1560
1561                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1562                 connman_ipconfig_unref(ipdevice->config_ipv4);
1563                 ipdevice->config_ipv4 = NULL;
1564                 return 0;
1565         }
1566
1567         if (ipdevice->config_ipv6 == ipconfig) {
1568                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1569
1570                 if (ipdevice->config_ipv6->method ==
1571                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1572                         disable_ipv6(ipdevice->config_ipv6);
1573
1574                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1575                 connman_ipconfig_unref(ipdevice->config_ipv6);
1576                 ipdevice->config_ipv6 = NULL;
1577                 return 0;
1578         }
1579
1580         return -EINVAL;
1581 }
1582
1583 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1584 {
1585         switch (method) {
1586         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1587                 break;
1588         case CONNMAN_IPCONFIG_METHOD_OFF:
1589                 return "off";
1590         case CONNMAN_IPCONFIG_METHOD_FIXED:
1591                 return "fixed";
1592         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1593                 return "manual";
1594         case CONNMAN_IPCONFIG_METHOD_DHCP:
1595                 return "dhcp";
1596         case CONNMAN_IPCONFIG_METHOD_AUTO:
1597                 return "auto";
1598         }
1599
1600         return NULL;
1601 }
1602
1603 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1604 {
1605         if (g_strcmp0(method, "off") == 0)
1606                 return CONNMAN_IPCONFIG_METHOD_OFF;
1607         else if (g_strcmp0(method, "fixed") == 0)
1608                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1609         else if (g_strcmp0(method, "manual") == 0)
1610                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1611         else if (g_strcmp0(method, "dhcp") == 0)
1612                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1613         else if (g_strcmp0(method, "auto") == 0)
1614                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1615         else
1616                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1617 }
1618
1619 static const char *privacy2string(int privacy)
1620 {
1621         if (privacy <= 0)
1622                 return "disabled";
1623         else if (privacy == 1)
1624                 return "enabled";
1625         else if (privacy > 1)
1626                 return "prefered";
1627
1628         return "disabled";
1629 }
1630
1631 static int string2privacy(const char *privacy)
1632 {
1633         if (g_strcmp0(privacy, "disabled") == 0)
1634                 return 0;
1635         else if (g_strcmp0(privacy, "enabled") == 0)
1636                 return 1;
1637         else if (g_strcmp0(privacy, "prefered") == 0)
1638                 return 2;
1639         else
1640                 return 0;
1641 }
1642
1643 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1644                                                         DBusMessageIter *iter)
1645 {
1646         const char *str;
1647
1648         DBG("");
1649
1650         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1651                 return;
1652
1653         str = __connman_ipconfig_method2string(ipconfig->method);
1654         if (str == NULL)
1655                 return;
1656
1657         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1658
1659         if (ipconfig->system == NULL)
1660                 return;
1661
1662         if (ipconfig->system->local != NULL) {
1663                 in_addr_t addr;
1664                 struct in_addr netmask;
1665                 char *mask;
1666
1667                 connman_dbus_dict_append_basic(iter, "Address",
1668                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1669
1670                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1671                 netmask.s_addr = htonl(addr);
1672                 mask = inet_ntoa(netmask);
1673                 connman_dbus_dict_append_basic(iter, "Netmask",
1674                                                 DBUS_TYPE_STRING, &mask);
1675         }
1676
1677         if (ipconfig->system->gateway != NULL)
1678                 connman_dbus_dict_append_basic(iter, "Gateway",
1679                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1680 }
1681
1682 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1683                                                         DBusMessageIter *iter)
1684 {
1685         const char *str, *privacy;
1686
1687         DBG("");
1688
1689         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1690                 return;
1691
1692         str = __connman_ipconfig_method2string(ipconfig->method);
1693         if (str == NULL)
1694                 return;
1695
1696         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1697
1698         if (ipconfig->system == NULL)
1699                 return;
1700
1701         if (ipconfig->system->local != NULL) {
1702                 connman_dbus_dict_append_basic(iter, "Address",
1703                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1704                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1705                                                 DBUS_TYPE_BYTE,
1706                                                 &ipconfig->system->prefixlen);
1707         }
1708
1709         if (ipconfig->system->gateway != NULL)
1710                 connman_dbus_dict_append_basic(iter, "Gateway",
1711                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1712
1713         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1714         connman_dbus_dict_append_basic(iter, "Privacy",
1715                                 DBUS_TYPE_STRING, &privacy);
1716 }
1717
1718 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1719                                                         DBusMessageIter *iter)
1720 {
1721         const char *str, *privacy;
1722
1723         DBG("");
1724
1725         str = __connman_ipconfig_method2string(ipconfig->method);
1726         if (str == NULL)
1727                 return;
1728
1729         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1730
1731         switch (ipconfig->method) {
1732         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1733         case CONNMAN_IPCONFIG_METHOD_OFF:
1734         case CONNMAN_IPCONFIG_METHOD_DHCP:
1735                 return;
1736         case CONNMAN_IPCONFIG_METHOD_FIXED:
1737         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1738         case CONNMAN_IPCONFIG_METHOD_AUTO:
1739                 break;
1740         }
1741
1742         if (ipconfig->address == NULL)
1743                 return;
1744
1745         if (ipconfig->address->local != NULL) {
1746                 connman_dbus_dict_append_basic(iter, "Address",
1747                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1748                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1749                                                 DBUS_TYPE_BYTE,
1750                                                 &ipconfig->address->prefixlen);
1751         }
1752
1753         if (ipconfig->address->gateway != NULL)
1754                 connman_dbus_dict_append_basic(iter, "Gateway",
1755                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1756
1757         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1758         connman_dbus_dict_append_basic(iter, "Privacy",
1759                                 DBUS_TYPE_STRING, &privacy);
1760 }
1761
1762 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1763                                                         DBusMessageIter *iter)
1764 {
1765         const char *str;
1766
1767         DBG("");
1768
1769         str = __connman_ipconfig_method2string(ipconfig->method);
1770         if (str == NULL)
1771                 return;
1772
1773         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1774
1775         switch (ipconfig->method) {
1776         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1777         case CONNMAN_IPCONFIG_METHOD_OFF:
1778         case CONNMAN_IPCONFIG_METHOD_FIXED:
1779         case CONNMAN_IPCONFIG_METHOD_DHCP:
1780         case CONNMAN_IPCONFIG_METHOD_AUTO:
1781                 return;
1782         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1783                 break;
1784         }
1785
1786         if (ipconfig->address == NULL)
1787                 return;
1788
1789         if (ipconfig->address->local != NULL) {
1790                 in_addr_t addr;
1791                 struct in_addr netmask;
1792                 char *mask;
1793
1794                 connman_dbus_dict_append_basic(iter, "Address",
1795                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1796
1797                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1798                 netmask.s_addr = htonl(addr);
1799                 mask = inet_ntoa(netmask);
1800                 connman_dbus_dict_append_basic(iter, "Netmask",
1801                                                 DBUS_TYPE_STRING, &mask);
1802         }
1803
1804         if (ipconfig->address->gateway != NULL)
1805                 connman_dbus_dict_append_basic(iter, "Gateway",
1806                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1807 }
1808
1809 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1810                                                         DBusMessageIter *array)
1811 {
1812         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1813         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1814                 *prefix_length_string = NULL, *privacy_string = NULL;
1815         int prefix_length = 0, privacy = 0;
1816         DBusMessageIter dict;
1817
1818         DBG("ipconfig %p", ipconfig);
1819
1820         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1821                 return -EINVAL;
1822
1823         dbus_message_iter_recurse(array, &dict);
1824
1825         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1826                 DBusMessageIter entry;
1827                 const char *key;
1828                 int type;
1829
1830                 dbus_message_iter_recurse(&dict, &entry);
1831
1832                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1833                         return -EINVAL;
1834
1835                 dbus_message_iter_get_basic(&entry, &key);
1836                 dbus_message_iter_next(&entry);
1837
1838                 type = dbus_message_iter_get_arg_type(&entry);
1839
1840                 if (g_str_equal(key, "Method") == TRUE) {
1841                         const char *str;
1842
1843                         if (type != DBUS_TYPE_STRING)
1844                                 return -EINVAL;
1845
1846                         dbus_message_iter_get_basic(&entry, &str);
1847                         method = __connman_ipconfig_string2method(str);
1848                 } else if (g_str_equal(key, "Address") == TRUE) {
1849                         if (type != DBUS_TYPE_STRING)
1850                                 return -EINVAL;
1851
1852                         dbus_message_iter_get_basic(&entry, &address);
1853                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1854                         if (type != DBUS_TYPE_STRING)
1855                                 return -EINVAL;
1856
1857                         dbus_message_iter_get_basic(&entry,
1858                                                         &prefix_length_string);
1859
1860                         prefix_length = atoi(prefix_length_string);
1861                         if (prefix_length < 0 || prefix_length > 128)
1862                                 return -EINVAL;
1863
1864                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1865                         if (type != DBUS_TYPE_STRING)
1866                                 return -EINVAL;
1867
1868                         dbus_message_iter_get_basic(&entry, &netmask);
1869                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1870                         if (type != DBUS_TYPE_STRING)
1871                                 return -EINVAL;
1872
1873                         dbus_message_iter_get_basic(&entry, &gateway);
1874                 } else if (g_str_equal(key, "Privacy") == TRUE) {
1875                         if (type != DBUS_TYPE_STRING)
1876                                 return -EINVAL;
1877
1878                         dbus_message_iter_get_basic(&entry, &privacy_string);
1879                         privacy = string2privacy(privacy_string);
1880                 }
1881                 dbus_message_iter_next(&dict);
1882         }
1883
1884         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
1885                 "privacy %s",
1886                 method, address, netmask, gateway, prefix_length,
1887                 privacy_string);
1888
1889         switch (method) {
1890         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1891         case CONNMAN_IPCONFIG_METHOD_FIXED:
1892                 return -EINVAL;
1893
1894         case CONNMAN_IPCONFIG_METHOD_OFF:
1895                 ipconfig->method = method;
1896                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1897                         disable_ipv6(ipconfig);
1898                 break;
1899
1900         case CONNMAN_IPCONFIG_METHOD_AUTO:
1901                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1902                         return -EINVAL;
1903
1904                 ipconfig->method = method;
1905                 if (privacy_string != NULL)
1906                         ipconfig->ipv6_privacy_config = privacy;
1907                 enable_ipv6(ipconfig);
1908                 break;
1909
1910         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1911                 if (address == NULL)
1912                         return -EINVAL;
1913
1914                 ipconfig->method = method;
1915
1916                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1917                         connman_ipaddress_set_ipv4(ipconfig->address,
1918                                                 address, netmask, gateway);
1919                 else
1920                         return connman_ipaddress_set_ipv6(
1921                                         ipconfig->address, address,
1922                                                 gateway, prefix_length);
1923                 break;
1924
1925         case CONNMAN_IPCONFIG_METHOD_DHCP:
1926                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1927                         return -EOPNOTSUPP;
1928
1929                 ipconfig->method = method;
1930                 break;
1931         }
1932
1933         return 0;
1934 }
1935
1936 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1937                                                         DBusMessageIter *iter)
1938 {
1939         struct connman_ipdevice *ipdevice;
1940         const char *method = "auto";
1941
1942         connman_dbus_dict_append_basic(iter, "Method",
1943                                                 DBUS_TYPE_STRING, &method);
1944
1945         ipdevice = g_hash_table_lookup(ipdevice_hash,
1946                                         GINT_TO_POINTER(ipconfig->index));
1947         if (ipdevice == NULL)
1948                 return;
1949
1950         if (ipdevice->ifname != NULL)
1951                 connman_dbus_dict_append_basic(iter, "Interface",
1952                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1953
1954         if (ipdevice->address != NULL)
1955                 connman_dbus_dict_append_basic(iter, "Address",
1956                                         DBUS_TYPE_STRING, &ipdevice->address);
1957
1958         if (ipdevice->mtu > 0)
1959                 connman_dbus_dict_append_basic(iter, "MTU",
1960                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1961 }
1962
1963 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1964                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1965 {
1966         char *method;
1967         char *key;
1968
1969         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1970
1971         key = g_strdup_printf("%smethod", prefix);
1972         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1973         if (method == NULL) {
1974                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1975                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1976                 else
1977                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1978         } else
1979                 ipconfig->method = __connman_ipconfig_string2method(method);
1980
1981         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
1982                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1983
1984         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1985                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
1986                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
1987                         char *privacy;
1988                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
1989                         privacy = g_key_file_get_string(keyfile, identifier,
1990                                                         pprefix, NULL);
1991                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
1992                         g_free(pprefix);
1993                         g_free(privacy);
1994
1995                         __connman_ipconfig_enable(ipconfig);
1996                         enable_ipv6(ipconfig);
1997                 }
1998         }
1999
2000         g_free(method);
2001         g_free(key);
2002
2003         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2004         ipconfig->address->prefixlen = g_key_file_get_integer(
2005                                 keyfile, identifier, key, NULL);
2006         g_free(key);
2007
2008         key = g_strdup_printf("%slocal_address", prefix);
2009         ipconfig->address->local = g_key_file_get_string(
2010                         keyfile, identifier, key, NULL);
2011         g_free(key);
2012
2013         key = g_strdup_printf("%speer_address", prefix);
2014         ipconfig->address->peer = g_key_file_get_string(
2015                                 keyfile, identifier, key, NULL);
2016         g_free(key);
2017
2018         key = g_strdup_printf("%sbroadcast_address", prefix);
2019         ipconfig->address->broadcast = g_key_file_get_string(
2020                                 keyfile, identifier, key, NULL);
2021         g_free(key);
2022
2023         key = g_strdup_printf("%sgateway", prefix);
2024         ipconfig->address->gateway = g_key_file_get_string(
2025                                 keyfile, identifier, key, NULL);
2026         g_free(key);
2027
2028         return 0;
2029 }
2030
2031 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2032                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2033 {
2034         const char *method;
2035         char *key;
2036
2037         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2038
2039         method = __connman_ipconfig_method2string(ipconfig->method);
2040
2041         key = g_strdup_printf("%smethod", prefix);
2042         g_key_file_set_string(keyfile, identifier, key, method);
2043         g_free(key);
2044
2045         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2046         g_key_file_set_integer(keyfile, identifier,
2047                         key, ipconfig->address->prefixlen);
2048         g_free(key);
2049
2050         key = g_strdup_printf("%slocal_address", prefix);
2051         if (ipconfig->address->local != NULL)
2052                 g_key_file_set_string(keyfile, identifier,
2053                                 key, ipconfig->address->local);
2054         g_free(key);
2055
2056         key = g_strdup_printf("%speer_address", prefix);
2057         if (ipconfig->address->peer != NULL)
2058                 g_key_file_set_string(keyfile, identifier,
2059                                 key, ipconfig->address->peer);
2060         g_free(key);
2061
2062         key = g_strdup_printf("%sbroadcast_address", prefix);
2063         if (ipconfig->address->broadcast != NULL)
2064                 g_key_file_set_string(keyfile, identifier,
2065                         key, ipconfig->address->broadcast);
2066         g_free(key);
2067
2068         key = g_strdup_printf("%sgateway", prefix);
2069         if (ipconfig->address->gateway != NULL)
2070                 g_key_file_set_string(keyfile, identifier,
2071                         key, ipconfig->address->gateway);
2072         g_free(key);
2073
2074         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2075                 const char *privacy;
2076                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2077                 key = g_strdup_printf("%sprivacy", prefix);
2078                 g_key_file_set_string(keyfile, identifier, key, privacy);
2079                 g_free(key);
2080         }
2081
2082         return 0;
2083 }
2084
2085 int __connman_ipconfig_init(void)
2086 {
2087         DBG("");
2088
2089         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2090                                                         NULL, free_ipdevice);
2091
2092         return 0;
2093 }
2094
2095 void __connman_ipconfig_cleanup(void)
2096 {
2097         DBG("");
2098
2099         g_hash_table_destroy(ipdevice_hash);
2100         ipdevice_hash = NULL;
2101 }