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         DBG("type %d gw %s peer %s", ipconfig->type,
1094                 ipconfig->address->gateway, ipconfig->address->peer);
1095
1096         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1097                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1098                 return __connman_connection_gateway_add(service,
1099                                                 ipconfig->address->gateway,
1100                                                 ipconfig->type,
1101                                                 ipconfig->address->peer);
1102
1103         return 0;
1104 }
1105
1106 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1107 {
1108         struct connman_service *service;
1109
1110         DBG("");
1111
1112         service = __connman_service_lookup_from_index(ipconfig->index);
1113         if (service)
1114                 __connman_connection_gateway_remove(service, ipconfig->type);
1115 }
1116
1117 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1118 {
1119         if (!ipconfig->address)
1120                 return 0;
1121
1122         return ipconfig->address->prefixlen;
1123 }
1124
1125 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig,
1126                                         unsigned char prefixlen)
1127 {
1128         if (!ipconfig->address)
1129                 return;
1130
1131         ipconfig->address->prefixlen = prefixlen;
1132 }
1133
1134 static struct connman_ipconfig *create_ipv6config(int index)
1135 {
1136         struct connman_ipconfig *ipv6config;
1137         struct connman_ipdevice *ipdevice;
1138
1139         DBG("index %d", index);
1140
1141         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1142         if (!ipv6config)
1143                 return NULL;
1144
1145         ipv6config->refcount = 1;
1146
1147         ipv6config->index = index;
1148         ipv6config->enabled = false;
1149         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1150
1151         if (!is_ipv6_supported)
1152                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
1153         else
1154                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1155
1156         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1157         if (ipdevice)
1158                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy;
1159
1160         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1161         if (!ipv6config->address) {
1162                 g_free(ipv6config);
1163                 return NULL;
1164         }
1165
1166         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1167
1168         DBG("ipconfig %p method %s", ipv6config,
1169                 __connman_ipconfig_method2string(ipv6config->method));
1170
1171         return ipv6config;
1172 }
1173
1174 /**
1175  * connman_ipconfig_create:
1176  *
1177  * Allocate a new ipconfig structure.
1178  *
1179  * Returns: a newly-allocated #connman_ipconfig structure
1180  */
1181 struct connman_ipconfig *__connman_ipconfig_create(int index,
1182                                         enum connman_ipconfig_type type)
1183 {
1184         struct connman_ipconfig *ipconfig;
1185
1186         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1187                 return create_ipv6config(index);
1188
1189         DBG("index %d", index);
1190
1191         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1192         if (!ipconfig)
1193                 return NULL;
1194
1195         ipconfig->refcount = 1;
1196
1197         ipconfig->index = index;
1198         ipconfig->enabled = false;
1199         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1200
1201         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1202         if (!ipconfig->address) {
1203                 g_free(ipconfig);
1204                 return NULL;
1205         }
1206
1207         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1208
1209         DBG("ipconfig %p", ipconfig);
1210
1211         return ipconfig;
1212 }
1213
1214
1215 /**
1216  * connman_ipconfig_ref:
1217  * @ipconfig: ipconfig structure
1218  *
1219  * Increase reference counter of ipconfig
1220  */
1221 struct connman_ipconfig *
1222 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1223                                 const char *file, int line, const char *caller)
1224 {
1225         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1226                 file, line, caller);
1227
1228         __sync_fetch_and_add(&ipconfig->refcount, 1);
1229
1230         return ipconfig;
1231 }
1232
1233 /**
1234  * connman_ipconfig_unref:
1235  * @ipconfig: ipconfig structure
1236  *
1237  * Decrease reference counter of ipconfig
1238  */
1239 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1240                                 const char *file, int line, const char *caller)
1241 {
1242         if (!ipconfig)
1243                 return;
1244
1245         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1246                 file, line, caller);
1247
1248         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1249                 return;
1250
1251         if (__connman_ipconfig_disable(ipconfig) < 0)
1252                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1253
1254         __connman_ipconfig_set_ops(ipconfig, NULL);
1255
1256         if (ipconfig->origin && ipconfig->origin != ipconfig) {
1257                 __connman_ipconfig_unref(ipconfig->origin);
1258                 ipconfig->origin = NULL;
1259         }
1260
1261         connman_ipaddress_free(ipconfig->system);
1262         connman_ipaddress_free(ipconfig->address);
1263         g_free(ipconfig->last_dhcp_address);
1264         g_strfreev(ipconfig->last_dhcpv6_prefixes);
1265         g_free(ipconfig);
1266 }
1267
1268 /**
1269  * connman_ipconfig_get_data:
1270  * @ipconfig: ipconfig structure
1271  *
1272  * Get private data pointer
1273  */
1274 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1275 {
1276         if (!ipconfig)
1277                 return NULL;
1278
1279         return ipconfig->ops_data;
1280 }
1281
1282 /**
1283  * connman_ipconfig_set_data:
1284  * @ipconfig: ipconfig structure
1285  * @data: data pointer
1286  *
1287  * Set private data pointer
1288  */
1289 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1290 {
1291         ipconfig->ops_data = data;
1292 }
1293
1294 /**
1295  * connman_ipconfig_get_index:
1296  * @ipconfig: ipconfig structure
1297  *
1298  * Get interface index
1299  */
1300 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1301 {
1302         if (!ipconfig)
1303                 return -1;
1304
1305         if (ipconfig->origin)
1306                 return ipconfig->origin->index;
1307
1308         return ipconfig->index;
1309 }
1310
1311 /**
1312  * connman_ipconfig_set_ops:
1313  * @ipconfig: ipconfig structure
1314  * @ops: operation callbacks
1315  *
1316  * Set the operation callbacks
1317  */
1318 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1319                                 const struct connman_ipconfig_ops *ops)
1320 {
1321         ipconfig->ops = ops;
1322 }
1323
1324 /**
1325  * connman_ipconfig_set_method:
1326  * @ipconfig: ipconfig structure
1327  * @method: configuration method
1328  *
1329  * Set the configuration method
1330  */
1331 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1332                                         enum connman_ipconfig_method method)
1333 {
1334         ipconfig->method = method;
1335
1336         return 0;
1337 }
1338
1339 enum connman_ipconfig_method __connman_ipconfig_get_method(
1340                                 struct connman_ipconfig *ipconfig)
1341 {
1342         if (!ipconfig)
1343                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1344
1345         return ipconfig->method;
1346 }
1347
1348 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1349 {
1350         DBG("");
1351
1352         switch (ipconfig->method) {
1353         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1354         case CONNMAN_IPCONFIG_METHOD_OFF:
1355                 break;
1356         case CONNMAN_IPCONFIG_METHOD_AUTO:
1357         case CONNMAN_IPCONFIG_METHOD_FIXED:
1358         case CONNMAN_IPCONFIG_METHOD_DHCP:
1359         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1360                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1361                         return connman_inet_set_address(ipconfig->index,
1362                                                         ipconfig->address);
1363                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1364                         return connman_inet_set_ipv6_address(
1365                                         ipconfig->index, ipconfig->address);
1366         }
1367
1368         return 0;
1369 }
1370
1371 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1372 {
1373         int err;
1374
1375         DBG("");
1376
1377         if (!ipconfig)
1378                 return 0;
1379
1380         DBG("method %d", ipconfig->method);
1381
1382         switch (ipconfig->method) {
1383         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1384         case CONNMAN_IPCONFIG_METHOD_OFF:
1385                 break;
1386         case CONNMAN_IPCONFIG_METHOD_AUTO:
1387         case CONNMAN_IPCONFIG_METHOD_FIXED:
1388         case CONNMAN_IPCONFIG_METHOD_DHCP:
1389         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1390                 err = __connman_ipconfig_address_unset(ipconfig);
1391                 connman_ipaddress_clear(ipconfig->address);
1392
1393                 return err;
1394         }
1395
1396         return 0;
1397 }
1398
1399 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1400 {
1401         int err;
1402
1403         DBG("");
1404
1405         if (!ipconfig)
1406                 return 0;
1407
1408         DBG("method %d", ipconfig->method);
1409
1410         switch (ipconfig->method) {
1411         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1412         case CONNMAN_IPCONFIG_METHOD_OFF:
1413                 break;
1414         case CONNMAN_IPCONFIG_METHOD_AUTO:
1415         case CONNMAN_IPCONFIG_METHOD_FIXED:
1416         case CONNMAN_IPCONFIG_METHOD_DHCP:
1417         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1418                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1419                         err = connman_inet_clear_address(ipconfig->index,
1420                                                         ipconfig->address);
1421                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1422                         err = connman_inet_clear_ipv6_address(
1423                                                 ipconfig->index,
1424                                                 ipconfig->address->local,
1425                                                 ipconfig->address->prefixlen);
1426                 else
1427                         err = -EINVAL;
1428
1429                 return err;
1430         }
1431
1432         return 0;
1433 }
1434
1435 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1436                                                         const char *url)
1437 {
1438         struct connman_ipdevice *ipdevice;
1439
1440         DBG("ipconfig %p", ipconfig);
1441
1442         if (!ipconfig || ipconfig->index < 0)
1443                 return -ENODEV;
1444
1445         ipdevice = g_hash_table_lookup(ipdevice_hash,
1446                                         GINT_TO_POINTER(ipconfig->index));
1447         if (!ipdevice)
1448                 return -ENXIO;
1449
1450         g_free(ipdevice->pac);
1451         ipdevice->pac = g_strdup(url);
1452
1453         return 0;
1454 }
1455
1456 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1457 {
1458         struct connman_ipdevice *ipdevice;
1459
1460         DBG("ipconfig %p", ipconfig);
1461
1462         if (!ipconfig || ipconfig->index < 0)
1463                 return NULL;
1464
1465         ipdevice = g_hash_table_lookup(ipdevice_hash,
1466                                         GINT_TO_POINTER(ipconfig->index));
1467         if (!ipdevice)
1468                 return NULL;
1469
1470         return ipdevice->pac;
1471 }
1472
1473 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1474                                         const char *address)
1475 {
1476         if (!ipconfig)
1477                 return;
1478
1479         g_free(ipconfig->last_dhcp_address);
1480         ipconfig->last_dhcp_address = g_strdup(address);
1481 }
1482
1483 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1484 {
1485         if (!ipconfig)
1486                 return NULL;
1487
1488         return ipconfig->last_dhcp_address;
1489 }
1490
1491 void __connman_ipconfig_set_dhcpv6_prefixes(struct connman_ipconfig *ipconfig,
1492                                         char **prefixes)
1493 {
1494         if (!ipconfig)
1495                 return;
1496
1497         g_strfreev(ipconfig->last_dhcpv6_prefixes);
1498         ipconfig->last_dhcpv6_prefixes = prefixes;
1499 }
1500
1501 char **__connman_ipconfig_get_dhcpv6_prefixes(struct connman_ipconfig *ipconfig)
1502 {
1503         if (!ipconfig)
1504                 return NULL;
1505
1506         return ipconfig->last_dhcpv6_prefixes;
1507 }
1508
1509 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1510 {
1511         struct connman_ipdevice *ipdevice;
1512         char *ifname;
1513
1514         DBG("");
1515
1516         ipdevice = g_hash_table_lookup(ipdevice_hash,
1517                                         GINT_TO_POINTER(ipconfig->index));
1518         if (!ipdevice)
1519                 return;
1520
1521         ifname = connman_inet_ifname(ipconfig->index);
1522
1523         set_ipv6_state(ifname, false);
1524
1525         g_free(ifname);
1526 }
1527
1528 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1529 {
1530         struct connman_ipdevice *ipdevice;
1531         char *ifname;
1532
1533         DBG("");
1534
1535         ipdevice = g_hash_table_lookup(ipdevice_hash,
1536                                         GINT_TO_POINTER(ipconfig->index));
1537         if (!ipdevice)
1538                 return;
1539
1540         ifname = connman_inet_ifname(ipconfig->index);
1541
1542         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1543                 set_ipv6_privacy(ifname, ipconfig->ipv6_privacy_config);
1544
1545         set_ipv6_state(ifname, true);
1546
1547         g_free(ifname);
1548 }
1549
1550 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1551 {
1552         if (!ipconfig || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1553                 return;
1554
1555         enable_ipv6(ipconfig);
1556 }
1557
1558 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1559 {
1560         if (!ipconfig || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1561                 return;
1562
1563         disable_ipv6(ipconfig);
1564 }
1565
1566 bool __connman_ipconfig_is_usable(struct connman_ipconfig *ipconfig)
1567 {
1568         if (!ipconfig)
1569                 return false;
1570
1571         switch (ipconfig->method) {
1572         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1573         case CONNMAN_IPCONFIG_METHOD_OFF:
1574                 return false;
1575         case CONNMAN_IPCONFIG_METHOD_AUTO:
1576         case CONNMAN_IPCONFIG_METHOD_FIXED:
1577         case CONNMAN_IPCONFIG_METHOD_DHCP:
1578         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1579                 break;
1580         }
1581
1582         return true;
1583 }
1584
1585 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1586 {
1587         struct connman_ipdevice *ipdevice;
1588         bool up = false, down = false;
1589         bool lower_up = false, lower_down = false;
1590         enum connman_ipconfig_type type;
1591         char *ifname;
1592
1593         DBG("ipconfig %p", ipconfig);
1594
1595         if (!ipconfig || ipconfig->index < 0)
1596                 return -ENODEV;
1597
1598         ipdevice = g_hash_table_lookup(ipdevice_hash,
1599                                         GINT_TO_POINTER(ipconfig->index));
1600         if (!ipdevice)
1601                 return -ENXIO;
1602
1603         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1604                 if (ipdevice->config_ipv4 == ipconfig)
1605                         return -EALREADY;
1606                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1607         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1608                 if (ipdevice->config_ipv6 == ipconfig)
1609                         return -EALREADY;
1610                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1611         } else
1612                 return -EINVAL;
1613
1614         ipconfig->enabled = true;
1615
1616         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1617                                         ipdevice->config_ipv4) {
1618                 ipconfig_list = g_list_remove(ipconfig_list,
1619                                                         ipdevice->config_ipv4);
1620
1621                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1622
1623                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1624         }
1625
1626         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1627                                         ipdevice->config_ipv6) {
1628                 ipconfig_list = g_list_remove(ipconfig_list,
1629                                                         ipdevice->config_ipv6);
1630
1631                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1632
1633                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1634         }
1635
1636         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1637                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1638         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1639                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1640
1641                 enable_ipv6(ipdevice->config_ipv6);
1642         }
1643         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1644
1645         if (ipdevice->flags & IFF_UP)
1646                 up = true;
1647         else
1648                 down = true;
1649
1650         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1651                         (IFF_RUNNING | IFF_LOWER_UP))
1652                 lower_up = true;
1653         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1654                 lower_down = true;
1655
1656         ifname = connman_inet_ifname(ipconfig->index);
1657
1658         if (up && ipconfig->ops->up)
1659                 ipconfig->ops->up(ipconfig, ifname);
1660         if (lower_up && ipconfig->ops->lower_up)
1661                 ipconfig->ops->lower_up(ipconfig, ifname);
1662
1663         if (lower_down && ipconfig->ops->lower_down)
1664                 ipconfig->ops->lower_down(ipconfig, ifname);
1665         if (down && ipconfig->ops->down)
1666                 ipconfig->ops->down(ipconfig, ifname);
1667
1668         g_free(ifname);
1669
1670         return 0;
1671 }
1672
1673 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1674 {
1675         struct connman_ipdevice *ipdevice;
1676
1677         DBG("ipconfig %p", ipconfig);
1678
1679         if (!ipconfig || ipconfig->index < 0)
1680                 return -ENODEV;
1681
1682         ipdevice = g_hash_table_lookup(ipdevice_hash,
1683                                         GINT_TO_POINTER(ipconfig->index));
1684         if (!ipdevice)
1685                 return -ENXIO;
1686
1687         if (!ipdevice->config_ipv4 && !ipdevice->config_ipv6)
1688                 return -EINVAL;
1689
1690         ipconfig->enabled = false;
1691
1692         if (ipdevice->config_ipv4 == ipconfig) {
1693                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1694
1695                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1696                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1697                 ipdevice->config_ipv4 = NULL;
1698                 return 0;
1699         }
1700
1701         if (ipdevice->config_ipv6 == ipconfig) {
1702                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1703
1704                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1705                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1706                 ipdevice->config_ipv6 = NULL;
1707                 return 0;
1708         }
1709
1710         return -EINVAL;
1711 }
1712
1713 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1714 {
1715         switch (method) {
1716         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1717                 break;
1718         case CONNMAN_IPCONFIG_METHOD_OFF:
1719                 return "off";
1720         case CONNMAN_IPCONFIG_METHOD_FIXED:
1721                 return "fixed";
1722         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1723                 return "manual";
1724         case CONNMAN_IPCONFIG_METHOD_DHCP:
1725                 return "dhcp";
1726         case CONNMAN_IPCONFIG_METHOD_AUTO:
1727                 return "auto";
1728         }
1729
1730         return NULL;
1731 }
1732
1733 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1734 {
1735         if (g_strcmp0(method, "off") == 0)
1736                 return CONNMAN_IPCONFIG_METHOD_OFF;
1737         else if (g_strcmp0(method, "fixed") == 0)
1738                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1739         else if (g_strcmp0(method, "manual") == 0)
1740                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1741         else if (g_strcmp0(method, "dhcp") == 0)
1742                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1743         else if (g_strcmp0(method, "auto") == 0)
1744                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1745         else
1746                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1747 }
1748
1749 static const char *privacy2string(int privacy)
1750 {
1751         if (privacy <= 0)
1752                 return "disabled";
1753         else if (privacy == 1)
1754                 return "enabled";
1755         else
1756                 return "prefered";
1757 }
1758
1759 static int string2privacy(const char *privacy)
1760 {
1761         if (g_strcmp0(privacy, "disabled") == 0)
1762                 return 0;
1763         else if (g_strcmp0(privacy, "enabled") == 0)
1764                 return 1;
1765         else if (g_strcmp0(privacy, "preferred") == 0)
1766                 return 2;
1767         else if (g_strcmp0(privacy, "prefered") == 0)
1768                 return 2;
1769         else
1770                 return 0;
1771 }
1772
1773 int __connman_ipconfig_ipv6_reset_privacy(struct connman_ipconfig *ipconfig)
1774 {
1775         struct connman_ipdevice *ipdevice;
1776         int err;
1777
1778         if (!ipconfig)
1779                 return -EINVAL;
1780
1781         ipdevice = g_hash_table_lookup(ipdevice_hash,
1782                                                 GINT_TO_POINTER(ipconfig->index));
1783         if (!ipdevice)
1784                 return -ENODEV;
1785
1786         err = __connman_ipconfig_ipv6_set_privacy(ipconfig, privacy2string(
1787                                                         ipdevice->ipv6_privacy));
1788
1789         return err;
1790 }
1791
1792 int __connman_ipconfig_ipv6_set_privacy(struct connman_ipconfig *ipconfig,
1793                                         const char *value)
1794 {
1795         int privacy;
1796
1797         if (!ipconfig)
1798                 return -EINVAL;
1799
1800         DBG("ipconfig %p privacy %s", ipconfig, value);
1801
1802         privacy = string2privacy(value);
1803
1804         ipconfig->ipv6_privacy_config = privacy;
1805
1806         enable_ipv6(ipconfig);
1807
1808         return 0;
1809 }
1810
1811 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1812                                                         DBusMessageIter *iter)
1813 {
1814         struct connman_ipaddress *append_addr = NULL;
1815         const char *str;
1816
1817         DBG("");
1818
1819         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1820                 return;
1821
1822         str = __connman_ipconfig_method2string(ipconfig->method);
1823         if (!str)
1824                 return;
1825
1826         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1827
1828         switch (ipconfig->method) {
1829         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1830         case CONNMAN_IPCONFIG_METHOD_OFF:
1831         case CONNMAN_IPCONFIG_METHOD_AUTO:
1832                 return;
1833
1834         case CONNMAN_IPCONFIG_METHOD_FIXED:
1835                 append_addr = ipconfig->address;
1836                 break;
1837
1838         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1839         case CONNMAN_IPCONFIG_METHOD_DHCP:
1840                 append_addr = ipconfig->system;
1841                 break;
1842         }
1843
1844         if (!append_addr)
1845                 return;
1846
1847         if (append_addr->local) {
1848                 in_addr_t addr;
1849                 struct in_addr netmask;
1850                 char *mask;
1851
1852                 connman_dbus_dict_append_basic(iter, "Address",
1853                                 DBUS_TYPE_STRING, &append_addr->local);
1854
1855                 addr = 0xffffffff << (32 - append_addr->prefixlen);
1856                 netmask.s_addr = htonl(addr);
1857                 mask = inet_ntoa(netmask);
1858                 connman_dbus_dict_append_basic(iter, "Netmask",
1859                                                 DBUS_TYPE_STRING, &mask);
1860         }
1861
1862         if (append_addr->gateway)
1863                 connman_dbus_dict_append_basic(iter, "Gateway",
1864                                 DBUS_TYPE_STRING, &append_addr->gateway);
1865 }
1866
1867 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1868                                         DBusMessageIter *iter,
1869                                         struct connman_ipconfig *ipconfig_ipv4)
1870 {
1871         struct connman_ipaddress *append_addr = NULL;
1872         const char *str, *privacy;
1873
1874         DBG("");
1875
1876         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1877                 return;
1878
1879         str = __connman_ipconfig_method2string(ipconfig->method);
1880         if (!str)
1881                 return;
1882
1883         if (ipconfig_ipv4 &&
1884                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1885                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1886                         str = "6to4";
1887         }
1888
1889         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1890
1891         switch (ipconfig->method) {
1892         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1893         case CONNMAN_IPCONFIG_METHOD_OFF:
1894                 return;
1895
1896         case CONNMAN_IPCONFIG_METHOD_FIXED:
1897                 append_addr = ipconfig->address;
1898                 break;
1899
1900         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1901         case CONNMAN_IPCONFIG_METHOD_DHCP:
1902         case CONNMAN_IPCONFIG_METHOD_AUTO:
1903                 append_addr = ipconfig->system;
1904                 break;
1905         }
1906
1907         if (!append_addr)
1908                 return;
1909
1910         if (append_addr->local) {
1911                 connman_dbus_dict_append_basic(iter, "Address",
1912                                 DBUS_TYPE_STRING, &append_addr->local);
1913                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1914                                                 DBUS_TYPE_BYTE,
1915                                                 &append_addr->prefixlen);
1916         }
1917
1918         if (append_addr->gateway)
1919                 connman_dbus_dict_append_basic(iter, "Gateway",
1920                                 DBUS_TYPE_STRING, &append_addr->gateway);
1921
1922         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1923         connman_dbus_dict_append_basic(iter, "Privacy",
1924                                 DBUS_TYPE_STRING, &privacy);
1925 }
1926
1927 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1928                                                         DBusMessageIter *iter)
1929 {
1930         const char *str, *privacy;
1931
1932         DBG("");
1933
1934         str = __connman_ipconfig_method2string(ipconfig->method);
1935         if (!str)
1936                 return;
1937
1938         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1939
1940         switch (ipconfig->method) {
1941         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1942         case CONNMAN_IPCONFIG_METHOD_OFF:
1943         case CONNMAN_IPCONFIG_METHOD_DHCP:
1944                 return;
1945         case CONNMAN_IPCONFIG_METHOD_FIXED:
1946         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1947         case CONNMAN_IPCONFIG_METHOD_AUTO:
1948                 break;
1949         }
1950
1951         if (!ipconfig->address)
1952                 return;
1953
1954         if (ipconfig->address->local) {
1955                 connman_dbus_dict_append_basic(iter, "Address",
1956                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1957                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1958                                                 DBUS_TYPE_BYTE,
1959                                                 &ipconfig->address->prefixlen);
1960         }
1961
1962         if (ipconfig->address->gateway)
1963                 connman_dbus_dict_append_basic(iter, "Gateway",
1964                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1965
1966         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1967         connman_dbus_dict_append_basic(iter, "Privacy",
1968                                 DBUS_TYPE_STRING, &privacy);
1969 }
1970
1971 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1972                                                         DBusMessageIter *iter)
1973 {
1974         const char *str;
1975
1976         DBG("");
1977
1978         str = __connman_ipconfig_method2string(ipconfig->method);
1979         if (!str)
1980                 return;
1981
1982         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1983
1984         switch (ipconfig->method) {
1985         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1986         case CONNMAN_IPCONFIG_METHOD_OFF:
1987         case CONNMAN_IPCONFIG_METHOD_DHCP:
1988         case CONNMAN_IPCONFIG_METHOD_AUTO:
1989                 return;
1990         case CONNMAN_IPCONFIG_METHOD_FIXED:
1991         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1992                 break;
1993         }
1994
1995         if (!ipconfig->address)
1996                 return;
1997
1998         if (ipconfig->address->local) {
1999                 in_addr_t addr;
2000                 struct in_addr netmask;
2001                 char *mask;
2002
2003                 connman_dbus_dict_append_basic(iter, "Address",
2004                                 DBUS_TYPE_STRING, &ipconfig->address->local);
2005
2006                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
2007                 netmask.s_addr = htonl(addr);
2008                 mask = inet_ntoa(netmask);
2009                 connman_dbus_dict_append_basic(iter, "Netmask",
2010                                                 DBUS_TYPE_STRING, &mask);
2011         }
2012
2013         if (ipconfig->address->gateway)
2014                 connman_dbus_dict_append_basic(iter, "Gateway",
2015                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
2016 }
2017
2018 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
2019                                                         DBusMessageIter *array)
2020 {
2021         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
2022         const char *address = NULL, *netmask = NULL, *gateway = NULL,
2023                 *privacy_string = NULL;
2024         int prefix_length = 0, privacy = 0;
2025         DBusMessageIter dict;
2026         int type = -1;
2027
2028         DBG("ipconfig %p", ipconfig);
2029
2030         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
2031                 return -EINVAL;
2032
2033         dbus_message_iter_recurse(array, &dict);
2034
2035         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
2036                 DBusMessageIter entry, value;
2037                 const char *key;
2038                 int type;
2039
2040                 dbus_message_iter_recurse(&dict, &entry);
2041
2042                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2043                         return -EINVAL;
2044
2045                 dbus_message_iter_get_basic(&entry, &key);
2046                 dbus_message_iter_next(&entry);
2047
2048                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
2049                         return -EINVAL;
2050
2051                 dbus_message_iter_recurse(&entry, &value);
2052
2053                 type = dbus_message_iter_get_arg_type(&value);
2054
2055                 if (g_str_equal(key, "Method")) {
2056                         const char *str;
2057
2058                         if (type != DBUS_TYPE_STRING)
2059                                 return -EINVAL;
2060
2061                         dbus_message_iter_get_basic(&value, &str);
2062                         method = __connman_ipconfig_string2method(str);
2063                 } else if (g_str_equal(key, "Address")) {
2064                         if (type != DBUS_TYPE_STRING)
2065                                 return -EINVAL;
2066
2067                         dbus_message_iter_get_basic(&value, &address);
2068                 } else if (g_str_equal(key, "PrefixLength")) {
2069                         if (type != DBUS_TYPE_BYTE)
2070                                 return -EINVAL;
2071
2072                         dbus_message_iter_get_basic(&value, &prefix_length);
2073
2074                         if (prefix_length < 0 || prefix_length > 128)
2075                                 return -EINVAL;
2076                 } else if (g_str_equal(key, "Netmask")) {
2077                         if (type != DBUS_TYPE_STRING)
2078                                 return -EINVAL;
2079
2080                         dbus_message_iter_get_basic(&value, &netmask);
2081                 } else if (g_str_equal(key, "Gateway")) {
2082                         if (type != DBUS_TYPE_STRING)
2083                                 return -EINVAL;
2084
2085                         dbus_message_iter_get_basic(&value, &gateway);
2086                 } else if (g_str_equal(key, "Privacy")) {
2087                         if (type != DBUS_TYPE_STRING)
2088                                 return -EINVAL;
2089
2090                         dbus_message_iter_get_basic(&value, &privacy_string);
2091                         privacy = string2privacy(privacy_string);
2092                 }
2093
2094                 dbus_message_iter_next(&dict);
2095         }
2096
2097         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2098                 "privacy %s",
2099                 method, address, netmask, gateway, prefix_length,
2100                 privacy_string);
2101
2102         switch (method) {
2103         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2104         case CONNMAN_IPCONFIG_METHOD_FIXED:
2105                 return -EINVAL;
2106
2107         case CONNMAN_IPCONFIG_METHOD_OFF:
2108                 ipconfig->method = method;
2109
2110                 break;
2111
2112         case CONNMAN_IPCONFIG_METHOD_AUTO:
2113                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2114                         return -EOPNOTSUPP;
2115
2116                 ipconfig->method = method;
2117                 if (privacy_string)
2118                         ipconfig->ipv6_privacy_config = privacy;
2119
2120                 break;
2121
2122         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2123                 switch (ipconfig->type) {
2124                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2125                         type = AF_INET;
2126                         break;
2127                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2128                         type = AF_INET6;
2129                         break;
2130                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2131                         type = -1;
2132                         break;
2133                 }
2134
2135                 if ((address && connman_inet_check_ipaddress(address)
2136                                                 != type) ||
2137                                 (netmask &&
2138                                 connman_inet_check_ipaddress(netmask)
2139                                                 != type) ||
2140                                 (gateway &&
2141                                 connman_inet_check_ipaddress(gateway)
2142                                                 != type))
2143                         return -EINVAL;
2144
2145                 ipconfig->method = method;
2146
2147                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2148                         connman_ipaddress_set_ipv4(ipconfig->address,
2149                                                 address, netmask, gateway);
2150                 else
2151                         return connman_ipaddress_set_ipv6(
2152                                         ipconfig->address, address,
2153                                                 prefix_length, gateway);
2154
2155                 break;
2156
2157         case CONNMAN_IPCONFIG_METHOD_DHCP:
2158                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
2159                         return -EOPNOTSUPP;
2160
2161                 ipconfig->method = method;
2162                 break;
2163         }
2164
2165         return 0;
2166 }
2167
2168 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2169                                                         DBusMessageIter *iter)
2170 {
2171         struct connman_ipdevice *ipdevice;
2172         const char *method = "auto";
2173
2174         connman_dbus_dict_append_basic(iter, "Method",
2175                                                 DBUS_TYPE_STRING, &method);
2176
2177         ipdevice = g_hash_table_lookup(ipdevice_hash,
2178                                         GINT_TO_POINTER(ipconfig->index));
2179         if (!ipdevice)
2180                 return;
2181
2182         if (ipconfig->index >= 0) {
2183                 char *ifname = connman_inet_ifname(ipconfig->index);
2184                 if (ifname) {
2185                         connman_dbus_dict_append_basic(iter, "Interface",
2186                                                 DBUS_TYPE_STRING, &ifname);
2187                         g_free(ifname);
2188                 }
2189         }
2190
2191         if (ipdevice->address)
2192                 connman_dbus_dict_append_basic(iter, "Address",
2193                                         DBUS_TYPE_STRING, &ipdevice->address);
2194
2195         if (ipdevice->mtu > 0)
2196                 connman_dbus_dict_append_basic(iter, "MTU",
2197                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2198 }
2199
2200 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2201                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2202 {
2203         char *method;
2204         char *key;
2205         char *str;
2206
2207         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2208
2209         key = g_strdup_printf("%smethod", prefix);
2210         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2211         if (!method) {
2212                 switch (ipconfig->type) {
2213                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2214                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2215                         break;
2216                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2217                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2218                         break;
2219                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2220                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2221                         break;
2222                 }
2223         } else
2224                 ipconfig->method = __connman_ipconfig_string2method(method);
2225
2226         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2227                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2228
2229         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2230                 gsize length;
2231                 char *pprefix;
2232
2233                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2234                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2235                         char *privacy;
2236
2237                         pprefix = g_strdup_printf("%sprivacy", prefix);
2238                         privacy = g_key_file_get_string(keyfile, identifier,
2239                                                         pprefix, NULL);
2240                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2241                         g_free(pprefix);
2242                         g_free(privacy);
2243                 }
2244
2245                 pprefix = g_strdup_printf("%sDHCP.LastPrefixes", prefix);
2246                 ipconfig->last_dhcpv6_prefixes =
2247                         g_key_file_get_string_list(keyfile, identifier, pprefix,
2248                                                 &length, NULL);
2249                 if (ipconfig->last_dhcpv6_prefixes && length == 0) {
2250                         g_free(ipconfig->last_dhcpv6_prefixes);
2251                         ipconfig->last_dhcpv6_prefixes = NULL;
2252                 }
2253                 g_free(pprefix);
2254         }
2255
2256         g_free(method);
2257         g_free(key);
2258
2259         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2260         ipconfig->address->prefixlen = g_key_file_get_integer(
2261                                 keyfile, identifier, key, NULL);
2262         g_free(key);
2263
2264         key = g_strdup_printf("%slocal_address", prefix);
2265         g_free(ipconfig->address->local);
2266         ipconfig->address->local = g_key_file_get_string(
2267                         keyfile, identifier, key, NULL);
2268         g_free(key);
2269
2270         key = g_strdup_printf("%speer_address", prefix);
2271         g_free(ipconfig->address->peer);
2272         ipconfig->address->peer = g_key_file_get_string(
2273                                 keyfile, identifier, key, NULL);
2274         g_free(key);
2275
2276         key = g_strdup_printf("%sbroadcast_address", prefix);
2277         g_free(ipconfig->address->broadcast);
2278         ipconfig->address->broadcast = g_key_file_get_string(
2279                                 keyfile, identifier, key, NULL);
2280         g_free(key);
2281
2282         key = g_strdup_printf("%sgateway", prefix);
2283         g_free(ipconfig->address->gateway);
2284         ipconfig->address->gateway = g_key_file_get_string(
2285                                 keyfile, identifier, key, NULL);
2286         g_free(key);
2287
2288         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2289         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2290         if (str) {
2291                 g_free(ipconfig->last_dhcp_address);
2292                 ipconfig->last_dhcp_address = str;
2293         }
2294         g_free(key);
2295
2296         return 0;
2297 }
2298
2299 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2300                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2301 {
2302         const char *method;
2303         char *key;
2304
2305         method = __connman_ipconfig_method2string(ipconfig->method);
2306
2307         DBG("ipconfig %p identifier %s method %s", ipconfig, identifier,
2308                                                                 method);
2309         if (method) {
2310                 key = g_strdup_printf("%smethod", prefix);
2311                 g_key_file_set_string(keyfile, identifier, key, method);
2312                 g_free(key);
2313         }
2314
2315         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2316                 const char *privacy;
2317                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2318                 key = g_strdup_printf("%sprivacy", prefix);
2319                 g_key_file_set_string(keyfile, identifier, key, privacy);
2320                 g_free(key);
2321
2322                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2323                 if (ipconfig->last_dhcp_address &&
2324                                 strlen(ipconfig->last_dhcp_address) > 0)
2325                         g_key_file_set_string(keyfile, identifier, key,
2326                                         ipconfig->last_dhcp_address);
2327                 else
2328                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2329                 g_free(key);
2330
2331                 key = g_strdup_printf("%sDHCP.LastPrefixes", prefix);
2332                 if (ipconfig->last_dhcpv6_prefixes &&
2333                                 ipconfig->last_dhcpv6_prefixes[0]) {
2334                         guint len =
2335                                 g_strv_length(ipconfig->last_dhcpv6_prefixes);
2336
2337                         g_key_file_set_string_list(keyfile, identifier, key,
2338                                 (const gchar **)ipconfig->last_dhcpv6_prefixes,
2339                                                 len);
2340                 } else
2341                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2342                 g_free(key);
2343         }
2344
2345         switch (ipconfig->method) {
2346         case CONNMAN_IPCONFIG_METHOD_FIXED:
2347         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2348                 break;
2349         case CONNMAN_IPCONFIG_METHOD_DHCP:
2350                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2351                 if (ipconfig->last_dhcp_address &&
2352                                 strlen(ipconfig->last_dhcp_address) > 0)
2353                         g_key_file_set_string(keyfile, identifier, key,
2354                                         ipconfig->last_dhcp_address);
2355                 else
2356                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2357                 g_free(key);
2358                 /* fall through */
2359         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2360         case CONNMAN_IPCONFIG_METHOD_OFF:
2361         case CONNMAN_IPCONFIG_METHOD_AUTO:
2362                 return 0;
2363         }
2364
2365         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2366         if (ipconfig->address->prefixlen != 0)
2367                 g_key_file_set_integer(keyfile, identifier,
2368                                 key, ipconfig->address->prefixlen);
2369         g_free(key);
2370
2371         key = g_strdup_printf("%slocal_address", prefix);
2372         if (ipconfig->address->local)
2373                 g_key_file_set_string(keyfile, identifier,
2374                                 key, ipconfig->address->local);
2375         g_free(key);
2376
2377         key = g_strdup_printf("%speer_address", prefix);
2378         if (ipconfig->address->peer)
2379                 g_key_file_set_string(keyfile, identifier,
2380                                 key, ipconfig->address->peer);
2381         g_free(key);
2382
2383         key = g_strdup_printf("%sbroadcast_address", prefix);
2384         if (ipconfig->address->broadcast)
2385                 g_key_file_set_string(keyfile, identifier,
2386                         key, ipconfig->address->broadcast);
2387         g_free(key);
2388
2389         key = g_strdup_printf("%sgateway", prefix);
2390         if (ipconfig->address->gateway)
2391                 g_key_file_set_string(keyfile, identifier,
2392                         key, ipconfig->address->gateway);
2393         g_free(key);
2394
2395         return 0;
2396 }
2397
2398 int __connman_ipconfig_init(void)
2399 {
2400         DBG("");
2401
2402         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2403                                                         NULL, free_ipdevice);
2404
2405         is_ipv6_supported = connman_inet_is_ipv6_supported();
2406
2407         return 0;
2408 }
2409
2410 void __connman_ipconfig_cleanup(void)
2411 {
2412         DBG("");
2413
2414         g_hash_table_destroy(ipdevice_hash);
2415         ipdevice_hash = NULL;
2416 }