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