src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <net/if.h>
  27 #include <net/if_arp.h>
  28 #include <linux/if_link.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31
  32 #ifndef IFF_LOWER_UP
  33 #define IFF_LOWER_UP    0x10000
  34 #endif
  35
  36 #include <gdbus.h>
  37
  38 #include "connman.h"
  39
  40 struct connman_ipconfig {
  41         gint refcount;
  42         int index;
  43         enum connman_ipconfig_type type;
  44
  45         struct connman_ipconfig *origin;
  46
  47         const struct connman_ipconfig_ops *ops;
  48         void *ops_data;
  49
  50         enum connman_ipconfig_method method;
  51         struct connman_ipaddress *address;
  52         struct connman_ipaddress *system;
  53
  54         struct connman_ipconfig *ipv6;
  55 };
  56
  57 struct connman_ipdevice {
  58         int index;
  59         char *ifname;
  60         unsigned short type;
  61         unsigned int flags;
  62         char *address;
  63         uint16_t mtu;
  64         uint32_t rx_packets;
  65         uint32_t tx_packets;
  66         uint32_t rx_bytes;
  67         uint32_t tx_bytes;
  68         uint32_t rx_errors;
  69         uint32_t tx_errors;
  70         uint32_t rx_dropped;
  71         uint32_t tx_dropped;
  72
  73         GSList *address_list;
  74         char *ipv4_gateway;
  75         char *ipv6_gateway;
  76
  77         char *proxy;
  78         char *pac;
  79
  80         struct connman_ipconfig *config;
  81
  82         struct connman_ipconfig_driver *driver;
  83         struct connman_ipconfig *driver_config;
  84 };
  85
  86 static GHashTable *ipdevice_hash = NULL;
  87 static GList *ipconfig_list = NULL;
  88
  89 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  90 {
  91         struct connman_ipaddress *ipaddress;
  92
  93         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  94         if (ipaddress == NULL)
  95                 return NULL;
  96
  97         ipaddress->family = family;
  98         ipaddress->prefixlen = 0;
  99         ipaddress->local = NULL;
 100         ipaddress->peer = NULL;
 101         ipaddress->broadcast = NULL;
 102         ipaddress->gateway = NULL;
 103
 104         return ipaddress;
 105 }
 106
 107 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 108 {
 109         if (ipaddress == NULL)
 110                 return;
 111
 112         g_free(ipaddress->broadcast);
 113         g_free(ipaddress->peer);
 114         g_free(ipaddress->local);
 115         g_free(ipaddress->gateway);
 116         g_free(ipaddress);
 117 }
 118
 119 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 120 {
 121         unsigned char bits = 0;
 122         in_addr_t mask = inet_network(netmask);
 123         in_addr_t host = ~mask;
 124
 125         /* a valid netmask must be 2^n - 1 */
 126         if ((host & (host + 1)) != 0)
 127                 return -1;
 128
 129         for (; mask; mask <<= 1)
 130                 ++bits;
 131
 132         return bits;
 133 }
 134
 135 static gboolean check_ipv6_address(const char *address)
 136 {
 137         unsigned char buf[sizeof(struct in6_addr)];
 138         int err;
 139
 140         err = inet_pton(AF_INET6, address, buf);
 141         if (err > 0)
 142                 return TRUE;
 143
 144         return FALSE;
 145 }
 146
 147 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 148                                 const char *address, const char *gateway,
 149                                                 unsigned char prefix_length)
 150 {
 151         if (ipaddress == NULL)
 152                 return -EINVAL;
 153
 154         if (check_ipv6_address(address) == FALSE)
 155                 return -EINVAL;
 156
 157         if (check_ipv6_address(gateway) == FALSE)
 158                 return -EINVAL;
 159
 160         DBG("prefix_len %d address %s gateway %s",
 161                         prefix_length, address, gateway);
 162
 163         ipaddress->prefixlen = prefix_length;
 164
 165         g_free(ipaddress->local);
 166         ipaddress->local = g_strdup(address);
 167
 168         g_free(ipaddress->gateway);
 169         ipaddress->gateway = g_strdup(gateway);
 170
 171         return 0;
 172 }
 173
 174 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 175                 const char *address, const char *netmask, const char *gateway)
 176 {
 177         if (ipaddress == NULL)
 178                 return;
 179
 180         if (netmask != NULL)
 181                 ipaddress->prefixlen =
 182                         __connman_ipconfig_netmask_prefix_len(netmask);
 183         else
 184                 ipaddress->prefixlen = 32;
 185
 186         g_free(ipaddress->local);
 187         ipaddress->local = g_strdup(address);
 188
 189         g_free(ipaddress->gateway);
 190         ipaddress->gateway = g_strdup(gateway);
 191 }
 192
 193 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 194 {
 195         if (ipaddress == NULL)
 196                 return;
 197
 198         ipaddress->prefixlen = 0;
 199
 200         g_free(ipaddress->local);
 201         ipaddress->local = NULL;
 202
 203         g_free(ipaddress->peer);
 204         ipaddress->peer = NULL;
 205
 206         g_free(ipaddress->broadcast);
 207         ipaddress->broadcast = NULL;
 208
 209         g_free(ipaddress->gateway);
 210         ipaddress->gateway = NULL;
 211 }
 212
 213 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 214                                         struct connman_ipaddress *source)
 215 {
 216         if (ipaddress == NULL || source == NULL)
 217                 return;
 218
 219         ipaddress->family = source->family;
 220         ipaddress->prefixlen = source->prefixlen;
 221
 222         g_free(ipaddress->local);
 223         ipaddress->local = g_strdup(source->local);
 224
 225         g_free(ipaddress->peer);
 226         ipaddress->peer = g_strdup(source->peer);
 227
 228         g_free(ipaddress->broadcast);
 229         ipaddress->broadcast = g_strdup(source->broadcast);
 230
 231         g_free(ipaddress->gateway);
 232         ipaddress->gateway = g_strdup(source->gateway);
 233 }
 234
 235 static void free_address_list(struct connman_ipdevice *ipdevice)
 236 {
 237         GSList *list;
 238
 239         for (list = ipdevice->address_list; list; list = list->next) {
 240                 struct connman_ipaddress *ipaddress = list->data;
 241
 242                 connman_ipaddress_free(ipaddress);
 243                 list->data = NULL;
 244         }
 245
 246         g_slist_free(ipdevice->address_list);
 247         ipdevice->address_list = NULL;
 248 }
 249
 250 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 251                                 unsigned char prefixlen, const char *local)
 252 {
 253         GSList *list;
 254
 255         for (list = ipdevice->address_list; list; list = list->next) {
 256                 struct connman_ipaddress *ipaddress = list->data;
 257
 258                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 259                                         ipaddress->prefixlen == prefixlen)
 260                         return ipaddress;
 261         }
 262
 263         return NULL;
 264 }
 265
 266 static const char *type2str(unsigned short type)
 267 {
 268         switch (type) {
 269         case ARPHRD_ETHER:
 270                 return "ETHER";
 271         case ARPHRD_LOOPBACK:
 272                 return "LOOPBACK";
 273         case ARPHRD_PPP:
 274                 return "PPP";
 275         case ARPHRD_NONE:
 276                 return "NONE";
 277         case ARPHRD_VOID:
 278                 return "VOID";
 279         }
 280
 281         return "";
 282 }
 283
 284 static const char *scope2str(unsigned char scope)
 285 {
 286         switch (scope) {
 287         case 0:
 288                 return "UNIVERSE";
 289         case 253:
 290                 return "LINK";
 291         }
 292
 293         return "";
 294 }
 295
 296 static void free_ipdevice(gpointer data)
 297 {
 298         struct connman_ipdevice *ipdevice = data;
 299
 300         connman_info("%s {remove} index %d", ipdevice->ifname,
 301                                                         ipdevice->index);
 302
 303         if (ipdevice->config != NULL)
 304                 connman_ipconfig_unref(ipdevice->config);
 305
 306         free_address_list(ipdevice);
 307         g_free(ipdevice->ipv4_gateway);
 308         g_free(ipdevice->ipv6_gateway);
 309         g_free(ipdevice->proxy);
 310         g_free(ipdevice->pac);
 311
 312         g_free(ipdevice->address);
 313         g_free(ipdevice->ifname);
 314         g_free(ipdevice);
 315 }
 316
 317 static GSList *driver_list = NULL;
 318
 319 static gint compare_priority(gconstpointer a, gconstpointer b)
 320 {
 321         const struct connman_ipconfig_driver *driver1 = a;
 322         const struct connman_ipconfig_driver *driver2 = b;
 323
 324         return driver2->priority - driver1->priority;
 325 }
 326
 327 /**
 328  * connman_ipconfig_driver_register:
 329  * @driver: IP configuration driver
 330  *
 331  * Register a new IP configuration driver
 332  *
 333  * Returns: %0 on success
 334  */
 335 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 336 {
 337         DBG("driver %p name %s", driver, driver->name);
 338
 339         driver_list = g_slist_insert_sorted(driver_list, driver,
 340                                                         compare_priority);
 341
 342         return 0;
 343 }
 344
 345 /**
 346  * connman_ipconfig_driver_unregister:
 347  * @driver: IP configuration driver
 348  *
 349  * Remove a previously registered IP configuration driver.
 350  */
 351 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 352 {
 353         DBG("driver %p name %s", driver, driver->name);
 354
 355         driver_list = g_slist_remove(driver_list, driver);
 356 }
 357
 358 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 359 {
 360         GSList *list;
 361
 362         DBG("ipconfig %p", ipdevice->config);
 363
 364         if (ipdevice->config == NULL)
 365                 return;
 366
 367         switch (ipdevice->config->method) {
 368         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 369         case CONNMAN_IPCONFIG_METHOD_OFF:
 370         case CONNMAN_IPCONFIG_METHOD_FIXED:
 371         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 372                 return;
 373         case CONNMAN_IPCONFIG_METHOD_DHCP:
 374                 break;
 375         }
 376
 377         if (ipdevice->driver != NULL)
 378                 return;
 379
 380         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 381         if (ipdevice->driver_config == NULL)
 382                 return;
 383
 384         for (list = driver_list; list; list = list->next) {
 385                 struct connman_ipconfig_driver *driver = list->data;
 386
 387                 if (driver->request(ipdevice->driver_config) == 0) {
 388                         ipdevice->driver = driver;
 389                         break;
 390                 }
 391         }
 392
 393         if (ipdevice->driver == NULL) {
 394                 connman_ipconfig_unref(ipdevice->driver_config);
 395                 ipdevice->driver_config = NULL;
 396         }
 397 }
 398
 399 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 400 {
 401         DBG("ipconfig %p", ipdevice->config);
 402
 403         if (ipdevice->config == NULL)
 404                 return;
 405
 406         if (ipdevice->driver == NULL)
 407                 return;
 408
 409         ipdevice->driver->release(ipdevice->driver_config);
 410
 411         ipdevice->driver = NULL;
 412
 413         connman_ipconfig_unref(ipdevice->driver_config);
 414         ipdevice->driver_config = NULL;
 415
 416         connman_inet_clear_address(ipdevice->index, ipdevice->config->address);
 417         connman_inet_clear_ipv6_address(ipdevice->index,
 418                         ipdevice->driver_config->address->local,
 419                         ipdevice->driver_config->address->prefixlen);
 420 }
 421
 422 static void update_stats(struct connman_ipdevice *ipdevice,
 423                                                 struct rtnl_link_stats *stats)
 424 {
 425         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 426                 return;
 427
 428         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 429                                         stats->rx_packets, stats->rx_bytes);
 430         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 431                                         stats->tx_packets, stats->tx_bytes);
 432
 433         if (ipdevice->config == NULL)
 434                 return;
 435
 436         ipdevice->rx_packets = stats->rx_packets;
 437         ipdevice->tx_packets = stats->tx_packets;
 438         ipdevice->rx_bytes = stats->rx_bytes;
 439         ipdevice->tx_bytes = stats->tx_bytes;
 440         ipdevice->rx_errors = stats->rx_errors;
 441         ipdevice->tx_errors = stats->tx_errors;
 442         ipdevice->rx_dropped = stats->rx_dropped;
 443         ipdevice->tx_dropped = stats->tx_dropped;
 444
 445         __connman_service_notify(ipdevice->config,
 446                                 ipdevice->rx_packets, ipdevice->tx_packets,
 447                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 448                                 ipdevice->rx_errors, ipdevice->tx_errors,
 449                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 450 }
 451
 452 void __connman_ipconfig_newlink(int index, unsigned short type,
 453                                 unsigned int flags, const char *address,
 454                                                         unsigned short mtu,
 455                                                 struct rtnl_link_stats *stats)
 456 {
 457         struct connman_ipdevice *ipdevice;
 458         GList *list;
 459         GString *str;
 460         gboolean up = FALSE, down = FALSE;
 461         gboolean lower_up = FALSE, lower_down = FALSE;
 462
 463         DBG("index %d", index);
 464
 465         if (type == ARPHRD_LOOPBACK)
 466                 return;
 467
 468         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 469         if (ipdevice != NULL)
 470                 goto update;
 471
 472         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 473         if (ipdevice == NULL)
 474                 return;
 475
 476         ipdevice->index = index;
 477         ipdevice->ifname = connman_inet_ifname(index);
 478         ipdevice->type = type;
 479
 480         ipdevice->address = g_strdup(address);
 481
 482         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 483
 484         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 485                                                 index, type, type2str(type));
 486
 487 update:
 488         ipdevice->mtu = mtu;
 489
 490         update_stats(ipdevice, stats);
 491
 492         if (flags == ipdevice->flags)
 493                 return;
 494
 495         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 496                 if (flags & IFF_UP)
 497                         up = TRUE;
 498                 else
 499                         down = TRUE;
 500         }
 501
 502         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 503                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 504                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 505                                         (IFF_RUNNING | IFF_LOWER_UP))
 506                         lower_up = TRUE;
 507                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 508                         lower_down = TRUE;
 509         }
 510
 511         ipdevice->flags = flags;
 512
 513         str = g_string_new(NULL);
 514         if (str == NULL)
 515                 return;
 516
 517         if (flags & IFF_UP)
 518                 g_string_append(str, "UP");
 519         else
 520                 g_string_append(str, "DOWN");
 521
 522         if (flags & IFF_RUNNING)
 523                 g_string_append(str, ",RUNNING");
 524
 525         if (flags & IFF_LOWER_UP)
 526                 g_string_append(str, ",LOWER_UP");
 527
 528         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 529                                                         flags, str->str);
 530
 531         g_string_free(str, TRUE);
 532
 533         for (list = g_list_first(ipconfig_list); list;
 534                                                 list = g_list_next(list)) {
 535                 struct connman_ipconfig *ipconfig = list->data;
 536
 537                 if (index != ipconfig->index)
 538                         continue;
 539
 540                 if (ipconfig->ops == NULL)
 541                         continue;
 542
 543                 if (up == TRUE && ipconfig->ops->up)
 544                         ipconfig->ops->up(ipconfig);
 545                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 546                         ipconfig->ops->lower_up(ipconfig);
 547
 548                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 549                         ipconfig->ops->lower_down(ipconfig);
 550                 if (down == TRUE && ipconfig->ops->down)
 551                         ipconfig->ops->down(ipconfig);
 552         }
 553
 554         if (lower_up)
 555                 __connman_ipconfig_lower_up(ipdevice);
 556         if (lower_down)
 557                 __connman_ipconfig_lower_down(ipdevice);
 558 }
 559
 560 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 561 {
 562         struct connman_ipdevice *ipdevice;
 563         GList *list;
 564
 565         DBG("index %d", index);
 566
 567         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 568         if (ipdevice == NULL)
 569                 return;
 570
 571         update_stats(ipdevice, stats);
 572
 573         for (list = g_list_first(ipconfig_list); list;
 574                                                 list = g_list_next(list)) {
 575                 struct connman_ipconfig *ipconfig = list->data;
 576
 577                 if (index != ipconfig->index)
 578                         continue;
 579
 580                 ipconfig->index = -1;
 581
 582                 if (ipconfig->ops == NULL)
 583                         continue;
 584
 585                 if (ipconfig->ops->lower_down)
 586                         ipconfig->ops->lower_down(ipconfig);
 587                 if (ipconfig->ops->down)
 588                         ipconfig->ops->down(ipconfig);
 589         }
 590
 591         __connman_ipconfig_lower_down(ipdevice);
 592
 593         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 594 }
 595
 596 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 597                                 unsigned char prefixlen, const char *address)
 598 {
 599         struct connman_ipdevice *ipdevice;
 600         struct connman_ipaddress *ipaddress;
 601         GList *list;
 602
 603         DBG("index %d", index);
 604
 605         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 606         if (ipdevice == NULL)
 607                 return;
 608
 609         ipaddress = connman_ipaddress_alloc(family);
 610         if (ipaddress == NULL)
 611                 return;
 612
 613         ipaddress->prefixlen = prefixlen;
 614         ipaddress->local = g_strdup(address);
 615
 616         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 617                                                                 ipaddress);
 618
 619         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 620                                                 address, prefixlen, label);
 621
 622         if (ipdevice->config != NULL) {
 623                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 624                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 625                                                         ipaddress);
 626                 else
 627                         connman_ipaddress_copy(ipdevice->config->system,
 628                                                         ipaddress);
 629         }
 630
 631         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 632                 return;
 633
 634         if (g_slist_length(ipdevice->address_list) > 1)
 635                 return;
 636
 637         for (list = g_list_first(ipconfig_list); list;
 638                                                 list = g_list_next(list)) {
 639                 struct connman_ipconfig *ipconfig = list->data;
 640
 641                 if (index != ipconfig->index)
 642                         continue;
 643
 644                 if (ipconfig->ops == NULL)
 645                         continue;
 646
 647                 if (ipconfig->ops->ip_bound)
 648                         ipconfig->ops->ip_bound(ipconfig);
 649         }
 650 }
 651
 652 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 653                                 unsigned char prefixlen, const char *address)
 654 {
 655         struct connman_ipdevice *ipdevice;
 656         struct connman_ipaddress *ipaddress;
 657         GList *list;
 658
 659         DBG("index %d", index);
 660
 661         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 662         if (ipdevice == NULL)
 663                 return;
 664
 665         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 666         if (ipaddress == NULL)
 667                 return;
 668
 669         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 670                                                                 ipaddress);
 671
 672         connman_ipaddress_free(ipaddress);
 673
 674         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 675                                                 address, prefixlen, label);
 676
 677         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 678                 return;
 679
 680         if (g_slist_length(ipdevice->address_list) > 0)
 681                 return;
 682
 683         for (list = g_list_first(ipconfig_list); list;
 684                                                 list = g_list_next(list)) {
 685                 struct connman_ipconfig *ipconfig = list->data;
 686
 687                 if (index != ipconfig->index)
 688                         continue;
 689
 690                 if (ipconfig->ops == NULL)
 691                         continue;
 692
 693                 if (ipconfig->ops->ip_release)
 694                         ipconfig->ops->ip_release(ipconfig);
 695         }
 696 }
 697
 698 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 699                                         const char *dst, const char *gateway)
 700 {
 701         struct connman_ipdevice *ipdevice;
 702
 703         DBG("index %d", index);
 704
 705         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 706         if (ipdevice == NULL)
 707                 return;
 708
 709         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 710                 GSList *list;
 711                 GList *config_list;
 712
 713                 if (family == AF_INET6) {
 714                         g_free(ipdevice->ipv6_gateway);
 715                         ipdevice->ipv6_gateway = g_strdup(gateway);
 716                 } else {
 717                         g_free(ipdevice->ipv4_gateway);
 718                         ipdevice->ipv4_gateway = g_strdup(gateway);
 719                 }
 720
 721                 if (ipdevice->config != NULL &&
 722                                         ipdevice->config->system != NULL) {
 723                         g_free(ipdevice->config->system->gateway);
 724                         ipdevice->config->system->gateway = g_strdup(gateway);
 725                 }
 726
 727                 for (list = ipdevice->address_list; list; list = list->next) {
 728                         struct connman_ipaddress *ipaddress = list->data;
 729
 730                         g_free(ipaddress->gateway);
 731                         ipaddress->gateway = g_strdup(gateway);
 732                 }
 733
 734                 for (config_list = g_list_first(ipconfig_list); config_list;
 735                                         config_list = g_list_next(config_list)) {
 736                         struct connman_ipconfig *ipconfig = config_list->data;
 737
 738                         if (index != ipconfig->index)
 739                                 continue;
 740
 741                         if (ipconfig->ops == NULL)
 742                                 continue;
 743
 744                         if (ipconfig->ops->ip_bound)
 745                                 ipconfig->ops->ip_bound(ipconfig);
 746                 }
 747         }
 748
 749         connman_info("%s {add} route %s gw %s scope %u <%s>",
 750                                         ipdevice->ifname, dst, gateway,
 751                                                 scope, scope2str(scope));
 752 }
 753
 754 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 755                                         const char *dst, const char *gateway)
 756 {
 757         struct connman_ipdevice *ipdevice;
 758
 759         DBG("index %d", index);
 760
 761         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 762         if (ipdevice == NULL)
 763                 return;
 764
 765         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 766                 GSList *list;
 767                 GList *config_list;
 768
 769                 if (family == AF_INET6) {
 770                         g_free(ipdevice->ipv6_gateway);
 771                         ipdevice->ipv6_gateway = NULL;
 772                 } else {
 773                         g_free(ipdevice->ipv4_gateway);
 774                         ipdevice->ipv4_gateway = NULL;
 775                 }
 776
 777                 if (ipdevice->config != NULL &&
 778                                         ipdevice->config->system != NULL) {
 779                         g_free(ipdevice->config->system->gateway);
 780                         ipdevice->config->system->gateway = NULL;
 781                 }
 782
 783                 for (list = ipdevice->address_list; list; list = list->next) {
 784                         struct connman_ipaddress *ipaddress = list->data;
 785
 786                         g_free(ipaddress->gateway);
 787                         ipaddress->gateway = NULL;
 788                 }
 789
 790                 for (config_list = g_list_first(ipconfig_list); config_list;
 791                                         config_list = g_list_next(config_list)) {
 792                         struct connman_ipconfig *ipconfig = config_list->data;
 793
 794                         if (index != ipconfig->index)
 795                                 continue;
 796
 797                         if (ipconfig->ops == NULL)
 798                                 continue;
 799
 800                         if (ipconfig->ops->ip_release)
 801                                 ipconfig->ops->ip_release(ipconfig);
 802                 }
 803         }
 804
 805         connman_info("%s {del} route %s gw %s scope %u <%s>",
 806                                         ipdevice->ifname, dst, gateway,
 807                                                 scope, scope2str(scope));
 808 }
 809
 810 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 811                                                         void *user_data)
 812 {
 813         GList *list, *keys;
 814
 815         keys = g_hash_table_get_keys(ipdevice_hash);
 816         if (keys == NULL)
 817                 return;
 818
 819         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 820                 int index = GPOINTER_TO_INT(list->data);
 821
 822                 function(index, user_data);
 823         }
 824
 825         g_list_free(keys);
 826 }
 827
 828 unsigned short __connman_ipconfig_get_type(int index)
 829 {
 830         struct connman_ipdevice *ipdevice;
 831
 832         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 833         if (ipdevice == NULL)
 834                 return ARPHRD_VOID;
 835
 836         return ipdevice->type;
 837 }
 838
 839 unsigned int __connman_ipconfig_get_flags(int index)
 840 {
 841         struct connman_ipdevice *ipdevice;
 842
 843         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 844         if (ipdevice == NULL)
 845                 return 0;
 846
 847         return ipdevice->flags;
 848 }
 849
 850 const char *__connman_ipconfig_get_gateway(int index)
 851 {
 852         struct connman_ipdevice *ipdevice;
 853
 854         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 855         if (ipdevice == NULL)
 856                 return NULL;
 857
 858         if (ipdevice->ipv4_gateway != NULL)
 859                 return ipdevice->ipv4_gateway;
 860
 861         if (ipdevice->config != NULL &&
 862                         ipdevice->config->address != NULL)
 863                 return ipdevice->config->address->gateway;
 864
 865         return NULL;
 866 }
 867
 868 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 869 {
 870         ipconfig->index = index;
 871
 872         if (ipconfig->ipv6 != NULL)
 873                 ipconfig->ipv6->index = index;
 874 }
 875
 876 static struct connman_ipconfig *create_ipv6config(int index)
 877 {
 878         struct connman_ipconfig *ipv6config;
 879
 880         DBG("index %d", index);
 881
 882         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 883         if (ipv6config == NULL)
 884                 return NULL;
 885
 886         ipv6config->index = index;
 887         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 888         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
 889
 890         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 891         if (ipv6config->address == NULL) {
 892                 g_free(ipv6config);
 893                 return NULL;
 894         }
 895
 896         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 897
 898         ipv6config->ipv6 = NULL;
 899
 900         DBG("ipconfig %p", ipv6config);
 901
 902         return ipv6config;
 903 }
 904
 905 /**
 906  * connman_ipconfig_create:
 907  *
 908  * Allocate a new ipconfig structure.
 909  *
 910  * Returns: a newly-allocated #connman_ipconfig structure
 911  */
 912 struct connman_ipconfig *connman_ipconfig_create(int index)
 913 {
 914         struct connman_ipconfig *ipconfig;
 915
 916         DBG("index %d", index);
 917
 918         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 919         if (ipconfig == NULL)
 920                 return NULL;
 921
 922         ipconfig->refcount = 1;
 923
 924         ipconfig->index = index;
 925         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 926
 927         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 928         if (ipconfig->address == NULL) {
 929                 g_free(ipconfig);
 930                 return NULL;
 931         }
 932
 933         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 934
 935         ipconfig->ipv6 = create_ipv6config(index);
 936
 937         DBG("ipconfig %p", ipconfig);
 938
 939         return ipconfig;
 940 }
 941
 942 /**
 943  * connman_ipconfig_clone:
 944  *
 945  * Clone an ipconfig structure and create new reference.
 946  *
 947  * Returns: a newly-allocated #connman_ipconfig structure
 948  */
 949 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 950 {
 951         struct connman_ipconfig *ipconfig_clone;
 952
 953         DBG("ipconfig %p", ipconfig);
 954
 955         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 956         if (ipconfig_clone == NULL)
 957                 return NULL;
 958
 959         ipconfig_clone->refcount = 1;
 960
 961         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 962
 963         ipconfig_clone->index = -1;
 964
 965         return ipconfig_clone;
 966 }
 967
 968 /**
 969  * connman_ipconfig_ref:
 970  * @ipconfig: ipconfig structure
 971  *
 972  * Increase reference counter of ipconfig
 973  */
 974 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 975 {
 976         g_atomic_int_inc(&ipconfig->refcount);
 977
 978         return ipconfig;
 979 }
 980
 981 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
 982 {
 983         if (ipconfig == NULL)
 984                 return;
 985
 986         connman_ipconfig_set_ops(ipconfig, NULL);
 987         connman_ipaddress_free(ipconfig->system);
 988         connman_ipaddress_free(ipconfig->address);
 989         g_free(ipconfig->ipv6);
 990 }
 991
 992 /**
 993  * connman_ipconfig_unref:
 994  * @ipconfig: ipconfig structure
 995  *
 996  * Decrease reference counter of ipconfig
 997  */
 998 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 999 {
1000         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1001                 __connman_ipconfig_disable(ipconfig);
1002
1003                 connman_ipconfig_set_ops(ipconfig, NULL);
1004
1005                 if (ipconfig->origin != NULL) {
1006                         connman_ipconfig_unref(ipconfig->origin);
1007                         ipconfig->origin = NULL;
1008                 }
1009
1010                 connman_ipaddress_free(ipconfig->system);
1011                 connman_ipaddress_free(ipconfig->address);
1012                 free_ipv6config(ipconfig->ipv6);
1013                 g_free(ipconfig);
1014         }
1015 }
1016
1017 /**
1018  * connman_ipconfig_get_data:
1019  * @ipconfig: ipconfig structure
1020  *
1021  * Get private data pointer
1022  */
1023 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1024 {
1025         return ipconfig->ops_data;
1026 }
1027
1028 /**
1029  * connman_ipconfig_set_data:
1030  * @ipconfig: ipconfig structure
1031  * @data: data pointer
1032  *
1033  * Set private data pointer
1034  */
1035 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1036 {
1037         ipconfig->ops_data = data;
1038 }
1039
1040 /**
1041  * connman_ipconfig_get_index:
1042  * @ipconfig: ipconfig structure
1043  *
1044  * Get interface index
1045  */
1046 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1047 {
1048         if (ipconfig == NULL)
1049                 return -1;
1050
1051         if (ipconfig->origin != NULL)
1052                 return ipconfig->origin->index;
1053
1054         return ipconfig->index;
1055 }
1056
1057 /**
1058  * connman_ipconfig_get_ifname:
1059  * @ipconfig: ipconfig structure
1060  *
1061  * Get interface name
1062  */
1063 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1064 {
1065         struct connman_ipdevice *ipdevice;
1066
1067         if (ipconfig == NULL)
1068                 return NULL;
1069
1070         if (ipconfig->index < 0)
1071                 return NULL;
1072
1073         ipdevice = g_hash_table_lookup(ipdevice_hash,
1074                                         GINT_TO_POINTER(ipconfig->index));
1075         if (ipdevice == NULL)
1076                 return NULL;
1077
1078         return ipdevice->ifname;
1079 }
1080
1081 /**
1082  * connman_ipconfig_set_ops:
1083  * @ipconfig: ipconfig structure
1084  * @ops: operation callbacks
1085  *
1086  * Set the operation callbacks
1087  */
1088 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1089                                 const struct connman_ipconfig_ops *ops)
1090 {
1091         ipconfig->ops = ops;
1092 }
1093
1094 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1095                                 struct connman_ipconfig *ipconfig)
1096 {
1097         if (ipconfig == NULL)
1098                 return NULL;
1099
1100         return ipconfig->ipv6;
1101 }
1102
1103 /**
1104  * connman_ipconfig_set_method:
1105  * @ipconfig: ipconfig structure
1106  * @method: configuration method
1107  *
1108  * Set the configuration method
1109  */
1110 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1111                                         enum connman_ipconfig_method method)
1112 {
1113         ipconfig->method = method;
1114
1115         return 0;
1116 }
1117
1118 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1119 {
1120         if (ipconfig == NULL)
1121                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1122
1123         return ipconfig->method;
1124 }
1125
1126 /**
1127  * connman_ipconfig_bind:
1128  * @ipconfig: ipconfig structure
1129  * @ipaddress: ipaddress structure
1130  *
1131  * Bind IP address details to configuration
1132  */
1133 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1134                                         struct connman_ipaddress *ipaddress)
1135 {
1136         struct connman_ipconfig *origin;
1137
1138         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1139
1140         connman_ipaddress_copy(origin->address, ipaddress);
1141
1142         connman_inet_set_address(origin->index, origin->address);
1143 }
1144
1145 void __connman_ipconfig_set_element_ipv6_gateway(
1146                         struct connman_ipconfig *ipconfig,
1147                                 struct connman_element *element)
1148 {
1149         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1150 }
1151
1152 /*
1153  * FIXME: The element soulution should be removed in the future
1154  * Set IPv4 and IPv6 gateway
1155  */
1156 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1157                                                 struct connman_element *parent)
1158 {
1159         struct connman_element *connection;
1160
1161         connection = connman_element_create(NULL);
1162
1163         DBG("ipconfig %p", ipconfig);
1164
1165         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1166         connection->index = ipconfig->index;
1167         connection->ipv4.gateway = ipconfig->address->gateway;
1168         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1169
1170         if (connman_element_register(connection, parent) < 0)
1171                 connman_element_unref(connection);
1172
1173         return 0;
1174 }
1175
1176 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1177 {
1178         DBG("");
1179
1180         switch (ipconfig->method) {
1181         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1182         case CONNMAN_IPCONFIG_METHOD_OFF:
1183         case CONNMAN_IPCONFIG_METHOD_FIXED:
1184         case CONNMAN_IPCONFIG_METHOD_DHCP:
1185                 break;
1186         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1187                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1188                         return connman_inet_set_address(ipconfig->index,
1189                                                         ipconfig->address);
1190                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1191                         return connman_inet_set_ipv6_address(
1192                                         ipconfig->index, ipconfig->address);
1193         }
1194
1195         return 0;
1196 }
1197
1198 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1199 {
1200         DBG("");
1201
1202         if (ipconfig == NULL)
1203                 return 0;
1204
1205         DBG("method %d", ipconfig->method);
1206
1207         switch (ipconfig->method) {
1208         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1209         case CONNMAN_IPCONFIG_METHOD_OFF:
1210         case CONNMAN_IPCONFIG_METHOD_FIXED:
1211         case CONNMAN_IPCONFIG_METHOD_DHCP:
1212                 break;
1213         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1214                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1215                         return connman_inet_clear_address(ipconfig->index,
1216                                                         ipconfig->address);
1217                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1218                         return connman_inet_clear_ipv6_address(
1219                                                 ipconfig->index,
1220                                                 ipconfig->address->local,
1221                                                 ipconfig->address->prefixlen);
1222         }
1223
1224         return 0;
1225 }
1226
1227 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1228                                                         const char *url)
1229 {
1230         struct connman_ipdevice *ipdevice;
1231
1232         DBG("ipconfig %p", ipconfig);
1233
1234         if (ipconfig == NULL || ipconfig->index < 0)
1235                 return -ENODEV;
1236
1237         ipdevice = g_hash_table_lookup(ipdevice_hash,
1238                                         GINT_TO_POINTER(ipconfig->index));
1239         if (ipdevice == NULL)
1240                 return -ENXIO;
1241
1242         g_free(ipdevice->pac);
1243         ipdevice->pac = g_strdup(url);
1244
1245         return 0;
1246 }
1247
1248 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1249 {
1250         struct connman_ipdevice *ipdevice;
1251
1252         DBG("ipconfig %p", ipconfig);
1253
1254         if (ipconfig == NULL || ipconfig->index < 0)
1255                 return NULL;
1256
1257         ipdevice = g_hash_table_lookup(ipdevice_hash,
1258                                         GINT_TO_POINTER(ipconfig->index));
1259         if (ipdevice == NULL)
1260                 return NULL;
1261
1262         return ipdevice->pac;
1263 }
1264
1265 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1266 {
1267         struct connman_ipdevice *ipdevice;
1268         gboolean up = FALSE, down = FALSE;
1269         gboolean lower_up = FALSE, lower_down = FALSE;
1270
1271         DBG("ipconfig %p", ipconfig);
1272
1273         if (ipconfig == NULL || ipconfig->index < 0)
1274                 return -ENODEV;
1275
1276         ipdevice = g_hash_table_lookup(ipdevice_hash,
1277                                         GINT_TO_POINTER(ipconfig->index));
1278         if (ipdevice == NULL)
1279                 return -ENXIO;
1280
1281         if (ipdevice->config == ipconfig)
1282                 return -EALREADY;
1283
1284         if (ipdevice->config != NULL) {
1285                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1286
1287                 connman_ipaddress_clear(ipdevice->config->system);
1288
1289                 connman_ipconfig_unref(ipdevice->config);
1290         }
1291
1292         ipdevice->config = connman_ipconfig_ref(ipconfig);
1293
1294         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1295
1296         if (ipdevice->flags & IFF_UP)
1297                 up = TRUE;
1298         else
1299                 down = TRUE;
1300
1301         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1302                         (IFF_RUNNING | IFF_LOWER_UP))
1303                 lower_up = TRUE;
1304         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1305                 lower_down = TRUE;
1306
1307         if (up == TRUE && ipconfig->ops->up)
1308                 ipconfig->ops->up(ipconfig);
1309         if (lower_up == TRUE && ipconfig->ops->lower_up)
1310                 ipconfig->ops->lower_up(ipconfig);
1311
1312         if (lower_down == TRUE && ipconfig->ops->lower_down)
1313                 ipconfig->ops->lower_down(ipconfig);
1314         if (down == TRUE && ipconfig->ops->down)
1315                 ipconfig->ops->down(ipconfig);
1316
1317         return 0;
1318 }
1319
1320 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1321 {
1322         struct connman_ipdevice *ipdevice;
1323
1324         DBG("ipconfig %p", ipconfig);
1325
1326         if (ipconfig == NULL || ipconfig->index < 0)
1327                 return -ENODEV;
1328
1329         ipdevice = g_hash_table_lookup(ipdevice_hash,
1330                                         GINT_TO_POINTER(ipconfig->index));
1331         if (ipdevice == NULL)
1332                 return -ENXIO;
1333
1334         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1335                 return -EINVAL;
1336
1337         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1338
1339         connman_ipaddress_clear(ipdevice->config->system);
1340         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1341
1342         connman_ipconfig_unref(ipdevice->config);
1343         ipdevice->config = NULL;
1344
1345         return 0;
1346 }
1347
1348 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1349 {
1350         switch (method) {
1351         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1352                 break;
1353         case CONNMAN_IPCONFIG_METHOD_OFF:
1354                 return "off";
1355         case CONNMAN_IPCONFIG_METHOD_FIXED:
1356                 return "fixed";
1357         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1358                 return "manual";
1359         case CONNMAN_IPCONFIG_METHOD_DHCP:
1360                 return "dhcp";
1361         }
1362
1363         return NULL;
1364 }
1365
1366 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1367 {
1368         if (g_strcmp0(method, "off") == 0)
1369                 return CONNMAN_IPCONFIG_METHOD_OFF;
1370         else if (g_strcmp0(method, "fixed") == 0)
1371                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1372         else if (g_strcmp0(method, "manual") == 0)
1373                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1374         else if (g_strcmp0(method, "dhcp") == 0)
1375                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1376         else
1377                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1378 }
1379
1380 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1381                                                         DBusMessageIter *iter)
1382 {
1383         const char *str;
1384
1385         DBG("");
1386
1387         str = __connman_ipconfig_method2string(ipconfig->method);
1388         if (str == NULL)
1389                 return;
1390
1391         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1392
1393         if (ipconfig->system == NULL)
1394                 return;
1395
1396         if (ipconfig->system->local != NULL) {
1397                 in_addr_t addr;
1398                 struct in_addr netmask;
1399                 char *mask;
1400
1401                 connman_dbus_dict_append_basic(iter, "Address",
1402                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1403
1404                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1405                 netmask.s_addr = htonl(addr);
1406                 mask = inet_ntoa(netmask);
1407                 connman_dbus_dict_append_basic(iter, "Netmask",
1408                                                 DBUS_TYPE_STRING, &mask);
1409         }
1410
1411         if (ipconfig->system->gateway != NULL)
1412                 connman_dbus_dict_append_basic(iter, "Gateway",
1413                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1414 }
1415
1416 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1417                                                         DBusMessageIter *iter)
1418 {
1419         const char *str;
1420
1421         DBG("");
1422
1423         str = __connman_ipconfig_method2string(ipconfig->method);
1424         if (str == NULL)
1425                 return;
1426
1427         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1428
1429         if (ipconfig->system == NULL)
1430                 return;
1431
1432         if (ipconfig->system->local != NULL) {
1433                 connman_dbus_dict_append_basic(iter, "Address",
1434                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1435                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1436                                                 DBUS_TYPE_BYTE,
1437                                                 &ipconfig->system->prefixlen);
1438         }
1439
1440         if (ipconfig->system->gateway != NULL)
1441                 connman_dbus_dict_append_basic(iter, "Gateway",
1442                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1443 }
1444
1445 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1446                                                         DBusMessageIter *iter)
1447 {
1448         const char *str;
1449
1450         DBG("");
1451
1452         str = __connman_ipconfig_method2string(ipconfig->method);
1453         if (str == NULL)
1454                 return;
1455
1456         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1457
1458         switch (ipconfig->method) {
1459         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1460         case CONNMAN_IPCONFIG_METHOD_OFF:
1461         case CONNMAN_IPCONFIG_METHOD_DHCP:
1462                 return;
1463         case CONNMAN_IPCONFIG_METHOD_FIXED:
1464         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1465                 break;
1466         }
1467
1468         if (ipconfig->address == NULL)
1469                 return;
1470
1471         if (ipconfig->address->local != NULL) {
1472                 connman_dbus_dict_append_basic(iter, "Address",
1473                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1474                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1475                                                 DBUS_TYPE_BYTE,
1476                                                 &ipconfig->address->prefixlen);
1477         }
1478
1479         if (ipconfig->address->gateway != NULL)
1480                 connman_dbus_dict_append_basic(iter, "Gateway",
1481                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1482 }
1483
1484 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1485                                                         DBusMessageIter *iter)
1486 {
1487         const char *str;
1488
1489         DBG("");
1490
1491         str = __connman_ipconfig_method2string(ipconfig->method);
1492         if (str == NULL)
1493                 return;
1494
1495         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1496
1497         switch (ipconfig->method) {
1498         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1499         case CONNMAN_IPCONFIG_METHOD_OFF:
1500         case CONNMAN_IPCONFIG_METHOD_FIXED:
1501         case CONNMAN_IPCONFIG_METHOD_DHCP:
1502                 return;
1503         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1504                 break;
1505         }
1506
1507         if (ipconfig->address == NULL)
1508                 return;
1509
1510         if (ipconfig->address->local != NULL) {
1511                 in_addr_t addr;
1512                 struct in_addr netmask;
1513                 char *mask;
1514
1515                 connman_dbus_dict_append_basic(iter, "Address",
1516                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1517
1518                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1519                 netmask.s_addr = htonl(addr);
1520                 mask = inet_ntoa(netmask);
1521                 connman_dbus_dict_append_basic(iter, "Netmask",
1522                                                 DBUS_TYPE_STRING, &mask);
1523         }
1524
1525         if (ipconfig->address->gateway != NULL)
1526                 connman_dbus_dict_append_basic(iter, "Gateway",
1527                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1528 }
1529
1530 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1531                 enum connman_ipconfig_type type, DBusMessageIter *array)
1532 {
1533         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1534         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1535                         *prefix_length_string = NULL;
1536         int prefix_length = 0;
1537         DBusMessageIter dict;
1538
1539         DBG("ipconfig %p type %d", ipconfig, type);
1540
1541         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1542                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1543                 return -EINVAL;
1544
1545         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1546                 return -EINVAL;
1547
1548         dbus_message_iter_recurse(array, &dict);
1549
1550         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1551                 DBusMessageIter entry;
1552                 const char *key;
1553                 int type;
1554
1555                 dbus_message_iter_recurse(&dict, &entry);
1556
1557                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1558                         return -EINVAL;
1559
1560                 dbus_message_iter_get_basic(&entry, &key);
1561                 dbus_message_iter_next(&entry);
1562
1563                 type = dbus_message_iter_get_arg_type(&entry);
1564
1565                 if (g_str_equal(key, "Method") == TRUE) {
1566                         const char *str;
1567
1568                         if (type != DBUS_TYPE_STRING)
1569                                 return -EINVAL;
1570
1571                         dbus_message_iter_get_basic(&entry, &str);
1572                         method = __connman_ipconfig_string2method(str);
1573                 } else if (g_str_equal(key, "Address") == TRUE) {
1574                         if (type != DBUS_TYPE_STRING)
1575                                 return -EINVAL;
1576
1577                         dbus_message_iter_get_basic(&entry, &address);
1578                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1579                         if (type != DBUS_TYPE_STRING)
1580                                 return -EINVAL;
1581
1582                         dbus_message_iter_get_basic(&entry,
1583                                                         &prefix_length_string);
1584
1585                         prefix_length = atoi(prefix_length_string);
1586                         if (prefix_length < 0 || prefix_length > 128)
1587                                 return -EINVAL;
1588
1589                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1590                         if (type != DBUS_TYPE_STRING)
1591                                 return -EINVAL;
1592
1593                         dbus_message_iter_get_basic(&entry, &netmask);
1594                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1595                         if (type != DBUS_TYPE_STRING)
1596                                 return -EINVAL;
1597
1598                         dbus_message_iter_get_basic(&entry, &gateway);
1599                 }
1600                 dbus_message_iter_next(&dict);
1601         }
1602
1603         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1604                         method, address, netmask, gateway, prefix_length);
1605
1606         switch (method) {
1607         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1608         case CONNMAN_IPCONFIG_METHOD_OFF:
1609         case CONNMAN_IPCONFIG_METHOD_FIXED:
1610                 return -EINVAL;
1611
1612         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1613                 if (address == NULL)
1614                         return -EINVAL;
1615
1616                 ipconfig->method = method;
1617
1618                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1619                         connman_ipaddress_set_ipv4(ipconfig->address,
1620                                                 address, netmask, gateway);
1621                 else
1622                         return connman_ipaddress_set_ipv6(
1623                                         ipconfig->address, address,
1624                                                 gateway, prefix_length);
1625                 break;
1626
1627         case CONNMAN_IPCONFIG_METHOD_DHCP:
1628                 if (ipconfig->method == method)
1629                         return 0;
1630
1631                 ipconfig->method = method;
1632                 break;
1633         }
1634
1635         return 0;
1636 }
1637
1638 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1639                                                         DBusMessageIter *iter)
1640 {
1641         struct connman_ipdevice *ipdevice;
1642         const char *method = "direct";
1643
1644         ipdevice = g_hash_table_lookup(ipdevice_hash,
1645                                         GINT_TO_POINTER(ipconfig->index));
1646         if (ipdevice == NULL)
1647                 goto done;
1648
1649         if (ipdevice->pac == NULL)
1650                 goto done;
1651
1652         method = "auto-config";
1653
1654         connman_dbus_dict_append_basic(iter, "URL",
1655                                         DBUS_TYPE_STRING, &ipdevice->pac);
1656
1657 done:
1658         connman_dbus_dict_append_basic(iter, "Method",
1659                                                 DBUS_TYPE_STRING, &method);
1660 }
1661
1662 void __connman_ipconfig_append_proxyconfig(struct connman_ipconfig *ipconfig,
1663                                                         DBusMessageIter *iter)
1664 {
1665         struct connman_ipdevice *ipdevice;
1666         const char *method = "auto";
1667
1668         ipdevice = g_hash_table_lookup(ipdevice_hash,
1669                                         GINT_TO_POINTER(ipconfig->index));
1670         if (ipdevice == NULL)
1671                 goto done;
1672
1673         if (ipdevice->proxy == NULL)
1674                 goto done;
1675
1676         method = ipdevice->proxy;
1677
1678 done:
1679         connman_dbus_dict_append_basic(iter, "Method",
1680                                                 DBUS_TYPE_STRING, &method);
1681 }
1682
1683 int __connman_ipconfig_set_proxyconfig(struct connman_ipconfig *ipconfig,
1684                                                         DBusMessageIter *array)
1685 {
1686         struct connman_ipdevice *ipdevice;
1687         DBusMessageIter dict;
1688         const char *method;
1689
1690         DBG("ipconfig %p", ipconfig);
1691
1692         ipdevice = g_hash_table_lookup(ipdevice_hash,
1693                                         GINT_TO_POINTER(ipconfig->index));
1694         if (ipdevice == NULL)
1695                 return -ENXIO;
1696
1697         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1698                 return -EINVAL;
1699
1700         dbus_message_iter_recurse(array, &dict);
1701
1702         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1703                 DBusMessageIter entry;
1704                 const char *key;
1705                 int type;
1706
1707                 dbus_message_iter_recurse(&dict, &entry);
1708
1709                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1710                         return -EINVAL;
1711
1712                 dbus_message_iter_get_basic(&entry, &key);
1713                 dbus_message_iter_next(&entry);
1714
1715                 type = dbus_message_iter_get_arg_type(&entry);
1716
1717                 if (g_str_equal(key, "Method") == TRUE) {
1718                         if (type != DBUS_TYPE_STRING)
1719                                 return -EINVAL;
1720
1721                         dbus_message_iter_get_basic(&entry, &method);
1722                         if (strlen(method) == 0)
1723                                 method = NULL;
1724                 }
1725
1726                 dbus_message_iter_next(&dict);
1727         }
1728
1729         DBG("method %s", method);
1730
1731         if (method == NULL)
1732                 return -EINVAL;
1733
1734         if (g_str_equal(method, "auto") == FALSE &&
1735                                 g_str_equal(method, "direct") == FALSE)
1736                 return -EINVAL;
1737
1738         g_free(ipdevice->proxy);
1739         ipdevice->proxy = g_strdup(method);
1740
1741         return 0;
1742 }
1743
1744 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1745                                                         DBusMessageIter *iter)
1746 {
1747         struct connman_ipdevice *ipdevice;
1748         const char *method = "auto";
1749
1750         connman_dbus_dict_append_basic(iter, "Method",
1751                                                 DBUS_TYPE_STRING, &method);
1752
1753         ipdevice = g_hash_table_lookup(ipdevice_hash,
1754                                         GINT_TO_POINTER(ipconfig->index));
1755         if (ipdevice == NULL)
1756                 return;
1757
1758         if (ipdevice->ifname != NULL)
1759                 connman_dbus_dict_append_basic(iter, "Interface",
1760                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1761
1762         if (ipdevice->address != NULL)
1763                 connman_dbus_dict_append_basic(iter, "Address",
1764                                         DBUS_TYPE_STRING, &ipdevice->address);
1765
1766         if (ipdevice->mtu > 0)
1767                 connman_dbus_dict_append_basic(iter, "MTU",
1768                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1769 }
1770
1771 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1772                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1773 {
1774         const char *method;
1775         char *key;
1776
1777         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1778
1779         key = g_strdup_printf("%smethod", prefix);
1780         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1781         if (method == NULL) {
1782                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1783                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1784                 else
1785                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1786         } else
1787                 ipconfig->method = __connman_ipconfig_string2method(method);
1788         g_free(key);
1789
1790         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1791         ipconfig->address->prefixlen = g_key_file_get_integer(
1792                                 keyfile, identifier, key, NULL);
1793         g_free(key);
1794
1795         key = g_strdup_printf("%slocal_address", prefix);
1796         ipconfig->address->local = g_key_file_get_string(
1797                         keyfile, identifier, key, NULL);
1798         g_free(key);
1799
1800         key = g_strdup_printf("%speer_address", prefix);
1801         ipconfig->address->peer = g_key_file_get_string(
1802                                 keyfile, identifier, key, NULL);
1803         g_free(key);
1804
1805         key = g_strdup_printf("%sbroadcast_address", prefix);
1806         ipconfig->address->broadcast = g_key_file_get_string(
1807                                 keyfile, identifier, key, NULL);
1808         g_free(key);
1809
1810         key = g_strdup_printf("%sgateway", prefix);
1811         ipconfig->address->gateway = g_key_file_get_string(
1812                                 keyfile, identifier, key, NULL);
1813         g_free(key);
1814
1815         return 0;
1816 }
1817
1818 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1819                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1820 {
1821         const char *method;
1822         char *key;
1823
1824         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1825
1826         method = __connman_ipconfig_method2string(ipconfig->method);
1827
1828         key = g_strdup_printf("%smethod", prefix);
1829         g_key_file_set_string(keyfile, identifier, key, method);
1830         g_free(key);
1831
1832         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1833         g_key_file_set_integer(keyfile, identifier,
1834                         key, ipconfig->address->prefixlen);
1835         g_free(key);
1836
1837         key = g_strdup_printf("%slocal_address", prefix);
1838         if (ipconfig->address->local != NULL)
1839                 g_key_file_set_string(keyfile, identifier,
1840                                 key, ipconfig->address->local);
1841         g_free(key);
1842
1843         key = g_strdup_printf("%speer_address", prefix);
1844         if (ipconfig->address->peer != NULL)
1845                 g_key_file_set_string(keyfile, identifier,
1846                                 key, ipconfig->address->peer);
1847         g_free(key);
1848
1849         key = g_strdup_printf("%sbroadcast_address", prefix);
1850         if (ipconfig->address->broadcast != NULL)
1851                 g_key_file_set_string(keyfile, identifier,
1852                         key, ipconfig->address->broadcast);
1853         g_free(key);
1854
1855         key = g_strdup_printf("%sgateway", prefix);
1856         if (ipconfig->address->gateway != NULL)
1857                 g_key_file_set_string(keyfile, identifier,
1858                         key, ipconfig->address->gateway);
1859         g_free(key);
1860
1861         return 0;
1862 }
1863
1864 int __connman_ipconfig_init(void)
1865 {
1866         DBG("");
1867
1868         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1869                                                         NULL, free_ipdevice);
1870
1871         return 0;
1872 }
1873
1874 void __connman_ipconfig_cleanup(void)
1875 {
1876         DBG("");
1877
1878         g_hash_table_destroy(ipdevice_hash);
1879         ipdevice_hash = NULL;
1880 }