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 #if defined TIZEN_EXT
1081 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig, struct connman_service *service)
1082 #else
1083 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1084 #endif
1085 {
1086 #if !defined TIZEN_EXT
1087         struct connman_service *service;
1088 #endif
1089
1090         DBG("");
1091
1092         if (!ipconfig->address)
1093                 return -EINVAL;
1094
1095 #if !defined TIZEN_EXT
1096         service = __connman_service_lookup_from_index(ipconfig->index);
1097 #endif
1098         if (!service)
1099                 return -EINVAL;
1100
1101         DBG("type %d gw %s peer %s", ipconfig->type,
1102                 ipconfig->address->gateway, ipconfig->address->peer);
1103
1104         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1105                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1106                 return __connman_connection_gateway_add(service,
1107                                                 ipconfig->address->gateway,
1108                                                 ipconfig->type,
1109                                                 ipconfig->address->peer);
1110
1111         return 0;
1112 }
1113
1114 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1115 {
1116         struct connman_service *service;
1117
1118         DBG("");
1119
1120         service = __connman_service_lookup_from_index(ipconfig->index);
1121         if (service)
1122                 __connman_connection_gateway_remove(service, ipconfig->type);
1123 }
1124
1125 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1126 {
1127         if (!ipconfig->address)
1128                 return 0;
1129
1130         return ipconfig->address->prefixlen;
1131 }
1132
1133 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig,
1134                                         unsigned char prefixlen)
1135 {
1136         if (!ipconfig->address)
1137                 return;
1138
1139         ipconfig->address->prefixlen = prefixlen;
1140 }
1141
1142 static struct connman_ipconfig *create_ipv6config(int index)
1143 {
1144         struct connman_ipconfig *ipv6config;
1145         struct connman_ipdevice *ipdevice;
1146
1147         DBG("index %d", index);
1148
1149         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1150         if (!ipv6config)
1151                 return NULL;
1152
1153         ipv6config->refcount = 1;
1154
1155         ipv6config->index = index;
1156         ipv6config->enabled = false;
1157         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1158
1159         if (!is_ipv6_supported)
1160                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
1161         else
1162                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1163
1164         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1165         if (ipdevice)
1166                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy;
1167
1168         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1169         if (!ipv6config->address) {
1170                 g_free(ipv6config);
1171                 return NULL;
1172         }
1173
1174         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1175
1176         DBG("ipconfig %p method %s", ipv6config,
1177                 __connman_ipconfig_method2string(ipv6config->method));
1178
1179         return ipv6config;
1180 }
1181
1182 /**
1183  * connman_ipconfig_create:
1184  *
1185  * Allocate a new ipconfig structure.
1186  *
1187  * Returns: a newly-allocated #connman_ipconfig structure
1188  */
1189 struct connman_ipconfig *__connman_ipconfig_create(int index,
1190                                         enum connman_ipconfig_type type)
1191 {
1192         struct connman_ipconfig *ipconfig;
1193
1194         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1195                 return create_ipv6config(index);
1196
1197         DBG("index %d", index);
1198
1199         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1200         if (!ipconfig)
1201                 return NULL;
1202
1203         ipconfig->refcount = 1;
1204
1205         ipconfig->index = index;
1206         ipconfig->enabled = false;
1207         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1208
1209         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1210         if (!ipconfig->address) {
1211                 g_free(ipconfig);
1212                 return NULL;
1213         }
1214
1215         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1216
1217         DBG("ipconfig %p", ipconfig);
1218
1219         return ipconfig;
1220 }
1221
1222
1223 /**
1224  * connman_ipconfig_ref:
1225  * @ipconfig: ipconfig structure
1226  *
1227  * Increase reference counter of ipconfig
1228  */
1229 struct connman_ipconfig *
1230 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1231                                 const char *file, int line, const char *caller)
1232 {
1233         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1234                 file, line, caller);
1235
1236         __sync_fetch_and_add(&ipconfig->refcount, 1);
1237
1238         return ipconfig;
1239 }
1240
1241 /**
1242  * connman_ipconfig_unref:
1243  * @ipconfig: ipconfig structure
1244  *
1245  * Decrease reference counter of ipconfig
1246  */
1247 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1248                                 const char *file, int line, const char *caller)
1249 {
1250         if (!ipconfig)
1251                 return;
1252
1253         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1254                 file, line, caller);
1255
1256         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1257                 return;
1258
1259         if (__connman_ipconfig_disable(ipconfig) < 0)
1260                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1261
1262         __connman_ipconfig_set_ops(ipconfig, NULL);
1263
1264         if (ipconfig->origin && ipconfig->origin != ipconfig) {
1265                 __connman_ipconfig_unref(ipconfig->origin);
1266                 ipconfig->origin = NULL;
1267         }
1268
1269         connman_ipaddress_free(ipconfig->system);
1270         connman_ipaddress_free(ipconfig->address);
1271         g_free(ipconfig->last_dhcp_address);
1272         g_strfreev(ipconfig->last_dhcpv6_prefixes);
1273         g_free(ipconfig);
1274 }
1275
1276 /**
1277  * connman_ipconfig_get_data:
1278  * @ipconfig: ipconfig structure
1279  *
1280  * Get private data pointer
1281  */
1282 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1283 {
1284         if (!ipconfig)
1285                 return NULL;
1286
1287         return ipconfig->ops_data;
1288 }
1289
1290 /**
1291  * connman_ipconfig_set_data:
1292  * @ipconfig: ipconfig structure
1293  * @data: data pointer
1294  *
1295  * Set private data pointer
1296  */
1297 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1298 {
1299         ipconfig->ops_data = data;
1300 }
1301
1302 /**
1303  * connman_ipconfig_get_index:
1304  * @ipconfig: ipconfig structure
1305  *
1306  * Get interface index
1307  */
1308 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1309 {
1310         if (!ipconfig)
1311                 return -1;
1312
1313         if (ipconfig->origin)
1314                 return ipconfig->origin->index;
1315
1316         return ipconfig->index;
1317 }
1318
1319 /**
1320  * connman_ipconfig_set_ops:
1321  * @ipconfig: ipconfig structure
1322  * @ops: operation callbacks
1323  *
1324  * Set the operation callbacks
1325  */
1326 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1327                                 const struct connman_ipconfig_ops *ops)
1328 {
1329         ipconfig->ops = ops;
1330 }
1331
1332 /**
1333  * connman_ipconfig_set_method:
1334  * @ipconfig: ipconfig structure
1335  * @method: configuration method
1336  *
1337  * Set the configuration method
1338  */
1339 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1340                                         enum connman_ipconfig_method method)
1341 {
1342         ipconfig->method = method;
1343
1344         return 0;
1345 }
1346
1347 enum connman_ipconfig_method __connman_ipconfig_get_method(
1348                                 struct connman_ipconfig *ipconfig)
1349 {
1350         if (!ipconfig)
1351                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1352
1353         return ipconfig->method;
1354 }
1355
1356 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1357 {
1358         DBG("");
1359
1360         switch (ipconfig->method) {
1361         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1362         case CONNMAN_IPCONFIG_METHOD_OFF:
1363                 break;
1364         case CONNMAN_IPCONFIG_METHOD_AUTO:
1365         case CONNMAN_IPCONFIG_METHOD_FIXED:
1366         case CONNMAN_IPCONFIG_METHOD_DHCP:
1367         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1368                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1369                         return connman_inet_set_address(ipconfig->index,
1370                                                         ipconfig->address);
1371                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1372                         return connman_inet_set_ipv6_address(
1373                                         ipconfig->index, ipconfig->address);
1374         }
1375
1376         return 0;
1377 }
1378
1379 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1380 {
1381         int err;
1382
1383         DBG("");
1384
1385         if (!ipconfig)
1386                 return 0;
1387
1388         DBG("method %d", ipconfig->method);
1389
1390         switch (ipconfig->method) {
1391         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1392         case CONNMAN_IPCONFIG_METHOD_OFF:
1393                 break;
1394         case CONNMAN_IPCONFIG_METHOD_AUTO:
1395         case CONNMAN_IPCONFIG_METHOD_FIXED:
1396         case CONNMAN_IPCONFIG_METHOD_DHCP:
1397         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1398                 err = __connman_ipconfig_address_unset(ipconfig);
1399                 connman_ipaddress_clear(ipconfig->address);
1400
1401                 return err;
1402         }
1403
1404         return 0;
1405 }
1406
1407 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1408 {
1409         int err;
1410
1411         DBG("");
1412
1413         if (!ipconfig)
1414                 return 0;
1415
1416         DBG("method %d", ipconfig->method);
1417
1418         switch (ipconfig->method) {
1419         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1420         case CONNMAN_IPCONFIG_METHOD_OFF:
1421                 break;
1422         case CONNMAN_IPCONFIG_METHOD_AUTO:
1423         case CONNMAN_IPCONFIG_METHOD_FIXED:
1424         case CONNMAN_IPCONFIG_METHOD_DHCP:
1425         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1426                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1427                         err = connman_inet_clear_address(ipconfig->index,
1428                                                         ipconfig->address);
1429                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1430                         err = connman_inet_clear_ipv6_address(
1431                                                 ipconfig->index,
1432                                                 ipconfig->address->local,
1433                                                 ipconfig->address->prefixlen);
1434                 else
1435                         err = -EINVAL;
1436
1437                 return err;
1438         }
1439
1440         return 0;
1441 }
1442
1443 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1444                                                         const char *url)
1445 {
1446         struct connman_ipdevice *ipdevice;
1447
1448         DBG("ipconfig %p", ipconfig);
1449
1450         if (!ipconfig || ipconfig->index < 0)
1451                 return -ENODEV;
1452
1453         ipdevice = g_hash_table_lookup(ipdevice_hash,
1454                                         GINT_TO_POINTER(ipconfig->index));
1455         if (!ipdevice)
1456                 return -ENXIO;
1457
1458         g_free(ipdevice->pac);
1459         ipdevice->pac = g_strdup(url);
1460
1461         return 0;
1462 }
1463
1464 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1465 {
1466         struct connman_ipdevice *ipdevice;
1467
1468         DBG("ipconfig %p", ipconfig);
1469
1470         if (!ipconfig || ipconfig->index < 0)
1471                 return NULL;
1472
1473         ipdevice = g_hash_table_lookup(ipdevice_hash,
1474                                         GINT_TO_POINTER(ipconfig->index));
1475         if (!ipdevice)
1476                 return NULL;
1477
1478         return ipdevice->pac;
1479 }
1480
1481 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1482                                         const char *address)
1483 {
1484         if (!ipconfig)
1485                 return;
1486
1487         g_free(ipconfig->last_dhcp_address);
1488         ipconfig->last_dhcp_address = g_strdup(address);
1489 }
1490
1491 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1492 {
1493         if (!ipconfig)
1494                 return NULL;
1495
1496         return ipconfig->last_dhcp_address;
1497 }
1498
1499 void __connman_ipconfig_set_dhcpv6_prefixes(struct connman_ipconfig *ipconfig,
1500                                         char **prefixes)
1501 {
1502         if (!ipconfig)
1503                 return;
1504
1505         g_strfreev(ipconfig->last_dhcpv6_prefixes);
1506         ipconfig->last_dhcpv6_prefixes = prefixes;
1507 }
1508
1509 char **__connman_ipconfig_get_dhcpv6_prefixes(struct connman_ipconfig *ipconfig)
1510 {
1511         if (!ipconfig)
1512                 return NULL;
1513
1514         return ipconfig->last_dhcpv6_prefixes;
1515 }
1516
1517 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1518 {
1519         struct connman_ipdevice *ipdevice;
1520         char *ifname;
1521
1522         DBG("");
1523
1524         ipdevice = g_hash_table_lookup(ipdevice_hash,
1525                                         GINT_TO_POINTER(ipconfig->index));
1526         if (!ipdevice)
1527                 return;
1528
1529         ifname = connman_inet_ifname(ipconfig->index);
1530
1531         set_ipv6_state(ifname, false);
1532
1533         g_free(ifname);
1534 }
1535
1536 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1537 {
1538         struct connman_ipdevice *ipdevice;
1539         char *ifname;
1540
1541         DBG("");
1542
1543         ipdevice = g_hash_table_lookup(ipdevice_hash,
1544                                         GINT_TO_POINTER(ipconfig->index));
1545         if (!ipdevice)
1546                 return;
1547
1548         ifname = connman_inet_ifname(ipconfig->index);
1549
1550         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1551                 set_ipv6_privacy(ifname, ipconfig->ipv6_privacy_config);
1552
1553         set_ipv6_state(ifname, true);
1554
1555         g_free(ifname);
1556 }
1557
1558 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1559 {
1560         if (!ipconfig || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1561                 return;
1562
1563         enable_ipv6(ipconfig);
1564 }
1565
1566 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1567 {
1568         if (!ipconfig || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1569                 return;
1570
1571         disable_ipv6(ipconfig);
1572 }
1573
1574 bool __connman_ipconfig_is_usable(struct connman_ipconfig *ipconfig)
1575 {
1576         if (!ipconfig)
1577                 return false;
1578
1579         switch (ipconfig->method) {
1580         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1581         case CONNMAN_IPCONFIG_METHOD_OFF:
1582                 return false;
1583         case CONNMAN_IPCONFIG_METHOD_AUTO:
1584         case CONNMAN_IPCONFIG_METHOD_FIXED:
1585         case CONNMAN_IPCONFIG_METHOD_DHCP:
1586         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1587                 break;
1588         }
1589
1590         return true;
1591 }
1592
1593 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1594 {
1595         struct connman_ipdevice *ipdevice;
1596         bool up = false, down = false;
1597         bool lower_up = false, lower_down = false;
1598         enum connman_ipconfig_type type;
1599         char *ifname;
1600
1601         DBG("ipconfig %p", ipconfig);
1602
1603         if (!ipconfig || ipconfig->index < 0)
1604                 return -ENODEV;
1605
1606         ipdevice = g_hash_table_lookup(ipdevice_hash,
1607                                         GINT_TO_POINTER(ipconfig->index));
1608         if (!ipdevice)
1609                 return -ENXIO;
1610
1611         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1612                 if (ipdevice->config_ipv4 == ipconfig)
1613                         return -EALREADY;
1614                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1615         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1616                 if (ipdevice->config_ipv6 == ipconfig)
1617                         return -EALREADY;
1618                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1619         } else
1620                 return -EINVAL;
1621
1622         ipconfig->enabled = true;
1623
1624         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1625                                         ipdevice->config_ipv4) {
1626                 ipconfig_list = g_list_remove(ipconfig_list,
1627                                                         ipdevice->config_ipv4);
1628
1629                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1630
1631                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1632         }
1633
1634         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1635                                         ipdevice->config_ipv6) {
1636                 ipconfig_list = g_list_remove(ipconfig_list,
1637                                                         ipdevice->config_ipv6);
1638
1639                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1640
1641                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1642         }
1643
1644         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1645                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1646         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1647                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1648
1649                 enable_ipv6(ipdevice->config_ipv6);
1650         }
1651         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1652
1653         if (ipdevice->flags & IFF_UP)
1654                 up = true;
1655         else
1656                 down = true;
1657
1658         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1659                         (IFF_RUNNING | IFF_LOWER_UP))
1660                 lower_up = true;
1661         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1662                 lower_down = true;
1663
1664         ifname = connman_inet_ifname(ipconfig->index);
1665
1666         if (up && ipconfig->ops->up)
1667                 ipconfig->ops->up(ipconfig, ifname);
1668         if (lower_up && ipconfig->ops->lower_up)
1669                 ipconfig->ops->lower_up(ipconfig, ifname);
1670
1671         if (lower_down && ipconfig->ops->lower_down)
1672                 ipconfig->ops->lower_down(ipconfig, ifname);
1673         if (down && ipconfig->ops->down)
1674                 ipconfig->ops->down(ipconfig, ifname);
1675
1676         g_free(ifname);
1677
1678         return 0;
1679 }
1680
1681 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1682 {
1683         struct connman_ipdevice *ipdevice;
1684
1685         DBG("ipconfig %p", ipconfig);
1686
1687         if (!ipconfig || ipconfig->index < 0)
1688                 return -ENODEV;
1689
1690         ipdevice = g_hash_table_lookup(ipdevice_hash,
1691                                         GINT_TO_POINTER(ipconfig->index));
1692         if (!ipdevice)
1693                 return -ENXIO;
1694
1695         if (!ipdevice->config_ipv4 && !ipdevice->config_ipv6)
1696                 return -EINVAL;
1697
1698         ipconfig->enabled = false;
1699
1700         if (ipdevice->config_ipv4 == ipconfig) {
1701                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1702
1703                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1704                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1705                 ipdevice->config_ipv4 = NULL;
1706                 return 0;
1707         }
1708
1709         if (ipdevice->config_ipv6 == ipconfig) {
1710                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1711
1712                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1713                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1714                 ipdevice->config_ipv6 = NULL;
1715                 return 0;
1716         }
1717
1718         return -EINVAL;
1719 }
1720
1721 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1722 {
1723         switch (method) {
1724         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1725                 break;
1726         case CONNMAN_IPCONFIG_METHOD_OFF:
1727                 return "off";
1728         case CONNMAN_IPCONFIG_METHOD_FIXED:
1729                 return "fixed";
1730         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1731                 return "manual";
1732         case CONNMAN_IPCONFIG_METHOD_DHCP:
1733                 return "dhcp";
1734         case CONNMAN_IPCONFIG_METHOD_AUTO:
1735                 return "auto";
1736         }
1737
1738         return NULL;
1739 }
1740
1741 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1742 {
1743         if (g_strcmp0(method, "off") == 0)
1744                 return CONNMAN_IPCONFIG_METHOD_OFF;
1745         else if (g_strcmp0(method, "fixed") == 0)
1746                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1747         else if (g_strcmp0(method, "manual") == 0)
1748                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1749         else if (g_strcmp0(method, "dhcp") == 0)
1750                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1751         else if (g_strcmp0(method, "auto") == 0)
1752                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1753         else
1754                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1755 }
1756
1757 static const char *privacy2string(int privacy)
1758 {
1759         if (privacy <= 0)
1760                 return "disabled";
1761         else if (privacy == 1)
1762                 return "enabled";
1763         else
1764                 return "prefered";
1765 }
1766
1767 static int string2privacy(const char *privacy)
1768 {
1769         if (g_strcmp0(privacy, "disabled") == 0)
1770                 return 0;
1771         else if (g_strcmp0(privacy, "enabled") == 0)
1772                 return 1;
1773         else if (g_strcmp0(privacy, "preferred") == 0)
1774                 return 2;
1775         else if (g_strcmp0(privacy, "prefered") == 0)
1776                 return 2;
1777         else
1778                 return 0;
1779 }
1780
1781 int __connman_ipconfig_ipv6_reset_privacy(struct connman_ipconfig *ipconfig)
1782 {
1783         struct connman_ipdevice *ipdevice;
1784         int err;
1785
1786         if (!ipconfig)
1787                 return -EINVAL;
1788
1789         ipdevice = g_hash_table_lookup(ipdevice_hash,
1790                                                 GINT_TO_POINTER(ipconfig->index));
1791         if (!ipdevice)
1792                 return -ENODEV;
1793
1794         err = __connman_ipconfig_ipv6_set_privacy(ipconfig, privacy2string(
1795                                                         ipdevice->ipv6_privacy));
1796
1797         return err;
1798 }
1799
1800 int __connman_ipconfig_ipv6_set_privacy(struct connman_ipconfig *ipconfig,
1801                                         const char *value)
1802 {
1803         int privacy;
1804
1805         if (!ipconfig)
1806                 return -EINVAL;
1807
1808         DBG("ipconfig %p privacy %s", ipconfig, value);
1809
1810         privacy = string2privacy(value);
1811
1812         ipconfig->ipv6_privacy_config = privacy;
1813
1814         enable_ipv6(ipconfig);
1815
1816         return 0;
1817 }
1818
1819 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1820                                                         DBusMessageIter *iter)
1821 {
1822         struct connman_ipaddress *append_addr = NULL;
1823         const char *str;
1824
1825         DBG("");
1826
1827         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1828                 return;
1829
1830         str = __connman_ipconfig_method2string(ipconfig->method);
1831         if (!str)
1832                 return;
1833
1834         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1835
1836         switch (ipconfig->method) {
1837         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1838         case CONNMAN_IPCONFIG_METHOD_OFF:
1839         case CONNMAN_IPCONFIG_METHOD_AUTO:
1840                 return;
1841
1842         case CONNMAN_IPCONFIG_METHOD_FIXED:
1843                 append_addr = ipconfig->address;
1844                 break;
1845
1846         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1847         case CONNMAN_IPCONFIG_METHOD_DHCP:
1848                 append_addr = ipconfig->system;
1849                 break;
1850         }
1851
1852         if (!append_addr)
1853                 return;
1854
1855         if (append_addr->local) {
1856                 in_addr_t addr;
1857                 struct in_addr netmask;
1858                 char *mask;
1859
1860                 connman_dbus_dict_append_basic(iter, "Address",
1861                                 DBUS_TYPE_STRING, &append_addr->local);
1862
1863                 addr = 0xffffffff << (32 - append_addr->prefixlen);
1864                 netmask.s_addr = htonl(addr);
1865                 mask = inet_ntoa(netmask);
1866                 connman_dbus_dict_append_basic(iter, "Netmask",
1867                                                 DBUS_TYPE_STRING, &mask);
1868         }
1869
1870         if (append_addr->gateway)
1871                 connman_dbus_dict_append_basic(iter, "Gateway",
1872                                 DBUS_TYPE_STRING, &append_addr->gateway);
1873 }
1874
1875 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1876                                         DBusMessageIter *iter,
1877                                         struct connman_ipconfig *ipconfig_ipv4)
1878 {
1879         struct connman_ipaddress *append_addr = NULL;
1880         const char *str, *privacy;
1881
1882         DBG("");
1883
1884         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1885                 return;
1886
1887         str = __connman_ipconfig_method2string(ipconfig->method);
1888         if (!str)
1889                 return;
1890
1891         if (ipconfig_ipv4 &&
1892                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1893                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1894                         str = "6to4";
1895         }
1896
1897         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1898
1899         switch (ipconfig->method) {
1900         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1901         case CONNMAN_IPCONFIG_METHOD_OFF:
1902                 return;
1903
1904         case CONNMAN_IPCONFIG_METHOD_FIXED:
1905                 append_addr = ipconfig->address;
1906                 break;
1907
1908         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1909         case CONNMAN_IPCONFIG_METHOD_DHCP:
1910         case CONNMAN_IPCONFIG_METHOD_AUTO:
1911                 append_addr = ipconfig->system;
1912                 break;
1913         }
1914
1915         if (!append_addr)
1916                 return;
1917
1918         if (append_addr->local) {
1919                 connman_dbus_dict_append_basic(iter, "Address",
1920                                 DBUS_TYPE_STRING, &append_addr->local);
1921                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1922                                                 DBUS_TYPE_BYTE,
1923                                                 &append_addr->prefixlen);
1924         }
1925
1926         if (append_addr->gateway)
1927                 connman_dbus_dict_append_basic(iter, "Gateway",
1928                                 DBUS_TYPE_STRING, &append_addr->gateway);
1929
1930         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1931         connman_dbus_dict_append_basic(iter, "Privacy",
1932                                 DBUS_TYPE_STRING, &privacy);
1933 }
1934
1935 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1936                                                         DBusMessageIter *iter)
1937 {
1938         const char *str, *privacy;
1939
1940         DBG("");
1941
1942         str = __connman_ipconfig_method2string(ipconfig->method);
1943         if (!str)
1944                 return;
1945
1946         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1947
1948         switch (ipconfig->method) {
1949         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1950         case CONNMAN_IPCONFIG_METHOD_OFF:
1951         case CONNMAN_IPCONFIG_METHOD_DHCP:
1952                 return;
1953         case CONNMAN_IPCONFIG_METHOD_FIXED:
1954         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1955         case CONNMAN_IPCONFIG_METHOD_AUTO:
1956                 break;
1957         }
1958
1959         if (!ipconfig->address)
1960                 return;
1961
1962         if (ipconfig->address->local) {
1963                 connman_dbus_dict_append_basic(iter, "Address",
1964                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1965                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1966                                                 DBUS_TYPE_BYTE,
1967                                                 &ipconfig->address->prefixlen);
1968         }
1969
1970         if (ipconfig->address->gateway)
1971                 connman_dbus_dict_append_basic(iter, "Gateway",
1972                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1973
1974         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1975         connman_dbus_dict_append_basic(iter, "Privacy",
1976                                 DBUS_TYPE_STRING, &privacy);
1977 }
1978
1979 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1980                                                         DBusMessageIter *iter)
1981 {
1982         const char *str;
1983
1984         DBG("");
1985
1986         str = __connman_ipconfig_method2string(ipconfig->method);
1987         if (!str)
1988                 return;
1989
1990         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1991
1992         switch (ipconfig->method) {
1993         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1994         case CONNMAN_IPCONFIG_METHOD_OFF:
1995         case CONNMAN_IPCONFIG_METHOD_DHCP:
1996         case CONNMAN_IPCONFIG_METHOD_AUTO:
1997                 return;
1998         case CONNMAN_IPCONFIG_METHOD_FIXED:
1999         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2000                 break;
2001         }
2002
2003         if (!ipconfig->address)
2004                 return;
2005
2006         if (ipconfig->address->local) {
2007                 in_addr_t addr;
2008                 struct in_addr netmask;
2009                 char *mask;
2010
2011                 connman_dbus_dict_append_basic(iter, "Address",
2012                                 DBUS_TYPE_STRING, &ipconfig->address->local);
2013
2014                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
2015                 netmask.s_addr = htonl(addr);
2016                 mask = inet_ntoa(netmask);
2017                 connman_dbus_dict_append_basic(iter, "Netmask",
2018                                                 DBUS_TYPE_STRING, &mask);
2019         }
2020
2021         if (ipconfig->address->gateway)
2022                 connman_dbus_dict_append_basic(iter, "Gateway",
2023                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
2024 }
2025
2026 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
2027                                                         DBusMessageIter *array)
2028 {
2029         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
2030         const char *address = NULL, *netmask = NULL, *gateway = NULL,
2031                 *privacy_string = NULL;
2032         int prefix_length = 0, privacy = 0;
2033         DBusMessageIter dict;
2034         int type = -1;
2035
2036         DBG("ipconfig %p", ipconfig);
2037
2038         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
2039                 return -EINVAL;
2040
2041         dbus_message_iter_recurse(array, &dict);
2042
2043         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
2044                 DBusMessageIter entry, value;
2045                 const char *key;
2046                 int type;
2047
2048                 dbus_message_iter_recurse(&dict, &entry);
2049
2050                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2051                         return -EINVAL;
2052
2053                 dbus_message_iter_get_basic(&entry, &key);
2054                 dbus_message_iter_next(&entry);
2055
2056                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
2057                         return -EINVAL;
2058
2059                 dbus_message_iter_recurse(&entry, &value);
2060
2061                 type = dbus_message_iter_get_arg_type(&value);
2062
2063                 if (g_str_equal(key, "Method")) {
2064                         const char *str;
2065
2066                         if (type != DBUS_TYPE_STRING)
2067                                 return -EINVAL;
2068
2069                         dbus_message_iter_get_basic(&value, &str);
2070                         method = __connman_ipconfig_string2method(str);
2071                 } else if (g_str_equal(key, "Address")) {
2072                         if (type != DBUS_TYPE_STRING)
2073                                 return -EINVAL;
2074
2075                         dbus_message_iter_get_basic(&value, &address);
2076                 } else if (g_str_equal(key, "PrefixLength")) {
2077                         if (type != DBUS_TYPE_BYTE)
2078                                 return -EINVAL;
2079
2080                         dbus_message_iter_get_basic(&value, &prefix_length);
2081
2082                         if (prefix_length < 0 || prefix_length > 128)
2083                                 return -EINVAL;
2084                 } else if (g_str_equal(key, "Netmask")) {
2085                         if (type != DBUS_TYPE_STRING)
2086                                 return -EINVAL;
2087
2088                         dbus_message_iter_get_basic(&value, &netmask);
2089                 } else if (g_str_equal(key, "Gateway")) {
2090                         if (type != DBUS_TYPE_STRING)
2091                                 return -EINVAL;
2092
2093                         dbus_message_iter_get_basic(&value, &gateway);
2094                 } else if (g_str_equal(key, "Privacy")) {
2095                         if (type != DBUS_TYPE_STRING)
2096                                 return -EINVAL;
2097
2098                         dbus_message_iter_get_basic(&value, &privacy_string);
2099                         privacy = string2privacy(privacy_string);
2100                 }
2101
2102                 dbus_message_iter_next(&dict);
2103         }
2104
2105         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2106                 "privacy %s",
2107                 method, address, netmask, gateway, prefix_length,
2108                 privacy_string);
2109
2110         switch (method) {
2111         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2112         case CONNMAN_IPCONFIG_METHOD_FIXED:
2113                 return -EINVAL;
2114
2115         case CONNMAN_IPCONFIG_METHOD_OFF:
2116                 ipconfig->method = method;
2117
2118                 break;
2119
2120         case CONNMAN_IPCONFIG_METHOD_AUTO:
2121                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2122                         return -EOPNOTSUPP;
2123
2124                 ipconfig->method = method;
2125                 if (privacy_string)
2126                         ipconfig->ipv6_privacy_config = privacy;
2127
2128                 break;
2129
2130         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2131                 switch (ipconfig->type) {
2132                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2133                         type = AF_INET;
2134                         break;
2135                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2136                         type = AF_INET6;
2137                         break;
2138                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2139                         type = -1;
2140                         break;
2141                 }
2142
2143                 if ((address && connman_inet_check_ipaddress(address)
2144                                                 != type) ||
2145                                 (netmask &&
2146                                 connman_inet_check_ipaddress(netmask)
2147                                                 != type) ||
2148                                 (gateway &&
2149                                 connman_inet_check_ipaddress(gateway)
2150                                                 != type))
2151                         return -EINVAL;
2152
2153                 ipconfig->method = method;
2154
2155                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2156                         connman_ipaddress_set_ipv4(ipconfig->address,
2157                                                 address, netmask, gateway);
2158                 else
2159                         return connman_ipaddress_set_ipv6(
2160                                         ipconfig->address, address,
2161                                                 prefix_length, gateway);
2162
2163                 break;
2164
2165         case CONNMAN_IPCONFIG_METHOD_DHCP:
2166                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
2167                         return -EOPNOTSUPP;
2168
2169                 ipconfig->method = method;
2170                 break;
2171         }
2172
2173         return 0;
2174 }
2175
2176 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2177                                                         DBusMessageIter *iter)
2178 {
2179         struct connman_ipdevice *ipdevice;
2180         const char *method = "auto";
2181
2182         connman_dbus_dict_append_basic(iter, "Method",
2183                                                 DBUS_TYPE_STRING, &method);
2184
2185         ipdevice = g_hash_table_lookup(ipdevice_hash,
2186                                         GINT_TO_POINTER(ipconfig->index));
2187         if (!ipdevice)
2188                 return;
2189
2190         if (ipconfig->index >= 0) {
2191                 char *ifname = connman_inet_ifname(ipconfig->index);
2192                 if (ifname) {
2193                         connman_dbus_dict_append_basic(iter, "Interface",
2194                                                 DBUS_TYPE_STRING, &ifname);
2195                         g_free(ifname);
2196                 }
2197         }
2198
2199         if (ipdevice->address)
2200                 connman_dbus_dict_append_basic(iter, "Address",
2201                                         DBUS_TYPE_STRING, &ipdevice->address);
2202
2203         if (ipdevice->mtu > 0)
2204                 connman_dbus_dict_append_basic(iter, "MTU",
2205                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2206 }
2207
2208 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2209                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2210 {
2211         char *method;
2212         char *key;
2213         char *str;
2214
2215         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2216
2217         key = g_strdup_printf("%smethod", prefix);
2218         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2219         if (!method) {
2220                 switch (ipconfig->type) {
2221                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2222                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2223                         break;
2224                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2225                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2226                         break;
2227                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2228                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2229                         break;
2230                 }
2231         } else
2232                 ipconfig->method = __connman_ipconfig_string2method(method);
2233
2234         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2235                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2236
2237         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2238                 gsize length;
2239                 char *pprefix;
2240
2241                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2242                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2243                         char *privacy;
2244
2245                         pprefix = g_strdup_printf("%sprivacy", prefix);
2246                         privacy = g_key_file_get_string(keyfile, identifier,
2247                                                         pprefix, NULL);
2248                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2249                         g_free(pprefix);
2250                         g_free(privacy);
2251                 }
2252
2253                 pprefix = g_strdup_printf("%sDHCP.LastPrefixes", prefix);
2254                 ipconfig->last_dhcpv6_prefixes =
2255                         g_key_file_get_string_list(keyfile, identifier, pprefix,
2256                                                 &length, NULL);
2257                 if (ipconfig->last_dhcpv6_prefixes && length == 0) {
2258                         g_free(ipconfig->last_dhcpv6_prefixes);
2259                         ipconfig->last_dhcpv6_prefixes = NULL;
2260                 }
2261                 g_free(pprefix);
2262         }
2263
2264         g_free(method);
2265         g_free(key);
2266
2267         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2268         ipconfig->address->prefixlen = g_key_file_get_integer(
2269                                 keyfile, identifier, key, NULL);
2270         g_free(key);
2271
2272         key = g_strdup_printf("%slocal_address", prefix);
2273         g_free(ipconfig->address->local);
2274         ipconfig->address->local = g_key_file_get_string(
2275                         keyfile, identifier, key, NULL);
2276         g_free(key);
2277
2278         key = g_strdup_printf("%speer_address", prefix);
2279         g_free(ipconfig->address->peer);
2280         ipconfig->address->peer = g_key_file_get_string(
2281                                 keyfile, identifier, key, NULL);
2282         g_free(key);
2283
2284         key = g_strdup_printf("%sbroadcast_address", prefix);
2285         g_free(ipconfig->address->broadcast);
2286         ipconfig->address->broadcast = g_key_file_get_string(
2287                                 keyfile, identifier, key, NULL);
2288         g_free(key);
2289
2290         key = g_strdup_printf("%sgateway", prefix);
2291         g_free(ipconfig->address->gateway);
2292         ipconfig->address->gateway = g_key_file_get_string(
2293                                 keyfile, identifier, key, NULL);
2294         g_free(key);
2295
2296         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2297         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2298         if (str) {
2299                 g_free(ipconfig->last_dhcp_address);
2300                 ipconfig->last_dhcp_address = str;
2301         }
2302         g_free(key);
2303
2304         return 0;
2305 }
2306
2307 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2308                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2309 {
2310         const char *method;
2311         char *key;
2312
2313         method = __connman_ipconfig_method2string(ipconfig->method);
2314
2315         DBG("ipconfig %p identifier %s method %s", ipconfig, identifier,
2316                                                                 method);
2317         if (method) {
2318                 key = g_strdup_printf("%smethod", prefix);
2319                 g_key_file_set_string(keyfile, identifier, key, method);
2320                 g_free(key);
2321         }
2322
2323         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2324                 const char *privacy;
2325                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2326                 key = g_strdup_printf("%sprivacy", prefix);
2327                 g_key_file_set_string(keyfile, identifier, key, privacy);
2328                 g_free(key);
2329
2330                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2331                 if (ipconfig->last_dhcp_address &&
2332                                 strlen(ipconfig->last_dhcp_address) > 0)
2333                         g_key_file_set_string(keyfile, identifier, key,
2334                                         ipconfig->last_dhcp_address);
2335                 else
2336                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2337                 g_free(key);
2338
2339                 key = g_strdup_printf("%sDHCP.LastPrefixes", prefix);
2340                 if (ipconfig->last_dhcpv6_prefixes &&
2341                                 ipconfig->last_dhcpv6_prefixes[0]) {
2342                         guint len =
2343                                 g_strv_length(ipconfig->last_dhcpv6_prefixes);
2344
2345                         g_key_file_set_string_list(keyfile, identifier, key,
2346                                 (const gchar **)ipconfig->last_dhcpv6_prefixes,
2347                                                 len);
2348                 } else
2349                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2350                 g_free(key);
2351         }
2352
2353         switch (ipconfig->method) {
2354         case CONNMAN_IPCONFIG_METHOD_FIXED:
2355         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2356                 break;
2357         case CONNMAN_IPCONFIG_METHOD_DHCP:
2358                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2359                 if (ipconfig->last_dhcp_address &&
2360                                 strlen(ipconfig->last_dhcp_address) > 0)
2361                         g_key_file_set_string(keyfile, identifier, key,
2362                                         ipconfig->last_dhcp_address);
2363                 else
2364                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2365                 g_free(key);
2366                 /* fall through */
2367         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2368         case CONNMAN_IPCONFIG_METHOD_OFF:
2369         case CONNMAN_IPCONFIG_METHOD_AUTO:
2370                 return 0;
2371         }
2372
2373         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2374         if (ipconfig->address->prefixlen != 0)
2375                 g_key_file_set_integer(keyfile, identifier,
2376                                 key, ipconfig->address->prefixlen);
2377         g_free(key);
2378
2379         key = g_strdup_printf("%slocal_address", prefix);
2380         if (ipconfig->address->local)
2381                 g_key_file_set_string(keyfile, identifier,
2382                                 key, ipconfig->address->local);
2383         g_free(key);
2384
2385         key = g_strdup_printf("%speer_address", prefix);
2386         if (ipconfig->address->peer)
2387                 g_key_file_set_string(keyfile, identifier,
2388                                 key, ipconfig->address->peer);
2389         g_free(key);
2390
2391         key = g_strdup_printf("%sbroadcast_address", prefix);
2392         if (ipconfig->address->broadcast)
2393                 g_key_file_set_string(keyfile, identifier,
2394                         key, ipconfig->address->broadcast);
2395         g_free(key);
2396
2397         key = g_strdup_printf("%sgateway", prefix);
2398         if (ipconfig->address->gateway)
2399                 g_key_file_set_string(keyfile, identifier,
2400                         key, ipconfig->address->gateway);
2401         g_free(key);
2402
2403         return 0;
2404 }
2405
2406 int __connman_ipconfig_init(void)
2407 {
2408         DBG("");
2409
2410         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2411                                                         NULL, free_ipdevice);
2412
2413         is_ipv6_supported = connman_inet_is_ipv6_supported();
2414
2415         return 0;
2416 }
2417
2418 void __connman_ipconfig_cleanup(void)
2419 {
2420         DBG("");
2421
2422         g_hash_table_destroy(ipdevice_hash);
2423         ipdevice_hash = NULL;
2424 }