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 *pac;
  78
  79         struct connman_ipconfig *config;
  80
  81         struct connman_ipconfig_driver *driver;
  82         struct connman_ipconfig *driver_config;
  83 };
  84
  85 static GHashTable *ipdevice_hash = NULL;
  86 static GList *ipconfig_list = NULL;
  87
  88 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  89 {
  90         struct connman_ipaddress *ipaddress;
  91
  92         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  93         if (ipaddress == NULL)
  94                 return NULL;
  95
  96         ipaddress->family = family;
  97         ipaddress->prefixlen = 0;
  98         ipaddress->local = NULL;
  99         ipaddress->peer = NULL;
 100         ipaddress->broadcast = NULL;
 101         ipaddress->gateway = NULL;
 102
 103         return ipaddress;
 104 }
 105
 106 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 107 {
 108         if (ipaddress == NULL)
 109                 return;
 110
 111         g_free(ipaddress->broadcast);
 112         g_free(ipaddress->peer);
 113         g_free(ipaddress->local);
 114         g_free(ipaddress->gateway);
 115         g_free(ipaddress);
 116 }
 117
 118 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 119 {
 120         unsigned char bits;
 121         in_addr_t mask;
 122         in_addr_t host;
 123
 124         if (netmask == NULL)
 125                 return 32;
 126
 127         mask = inet_network(netmask);
 128         host = ~mask;
 129
 130         /* a valid netmask must be 2^n - 1 */
 131         if ((host & (host + 1)) != 0)
 132                 return -1;
 133
 134         bits = 0;
 135         for (; mask; mask <<= 1)
 136                 ++bits;
 137
 138         return bits;
 139 }
 140
 141 static gboolean check_ipv6_address(const char *address)
 142 {
 143         unsigned char buf[sizeof(struct in6_addr)];
 144         int err;
 145
 146         err = inet_pton(AF_INET6, address, buf);
 147         if (err > 0)
 148                 return TRUE;
 149
 150         return FALSE;
 151 }
 152
 153 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 154                                 const char *address, const char *gateway,
 155                                                 unsigned char prefix_length)
 156 {
 157         if (ipaddress == NULL)
 158                 return -EINVAL;
 159
 160         if (check_ipv6_address(address) == FALSE)
 161                 return -EINVAL;
 162
 163         if (check_ipv6_address(gateway) == FALSE)
 164                 return -EINVAL;
 165
 166         DBG("prefix_len %d address %s gateway %s",
 167                         prefix_length, address, gateway);
 168
 169         ipaddress->prefixlen = prefix_length;
 170
 171         g_free(ipaddress->local);
 172         ipaddress->local = g_strdup(address);
 173
 174         g_free(ipaddress->gateway);
 175         ipaddress->gateway = g_strdup(gateway);
 176
 177         return 0;
 178 }
 179
 180 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 181                 const char *address, const char *netmask, const char *gateway)
 182 {
 183         if (ipaddress == NULL)
 184                 return;
 185
 186         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 187
 188         g_free(ipaddress->local);
 189         ipaddress->local = g_strdup(address);
 190
 191         g_free(ipaddress->gateway);
 192         ipaddress->gateway = g_strdup(gateway);
 193 }
 194
 195 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 196 {
 197         if (ipaddress == NULL)
 198                 return;
 199
 200         ipaddress->prefixlen = 0;
 201
 202         g_free(ipaddress->local);
 203         ipaddress->local = NULL;
 204
 205         g_free(ipaddress->peer);
 206         ipaddress->peer = NULL;
 207
 208         g_free(ipaddress->broadcast);
 209         ipaddress->broadcast = NULL;
 210
 211         g_free(ipaddress->gateway);
 212         ipaddress->gateway = NULL;
 213 }
 214
 215 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 216                                         struct connman_ipaddress *source)
 217 {
 218         if (ipaddress == NULL || source == NULL)
 219                 return;
 220
 221         ipaddress->family = source->family;
 222         ipaddress->prefixlen = source->prefixlen;
 223
 224         g_free(ipaddress->local);
 225         ipaddress->local = g_strdup(source->local);
 226
 227         g_free(ipaddress->peer);
 228         ipaddress->peer = g_strdup(source->peer);
 229
 230         g_free(ipaddress->broadcast);
 231         ipaddress->broadcast = g_strdup(source->broadcast);
 232
 233         g_free(ipaddress->gateway);
 234         ipaddress->gateway = g_strdup(source->gateway);
 235 }
 236
 237 static void free_address_list(struct connman_ipdevice *ipdevice)
 238 {
 239         GSList *list;
 240
 241         for (list = ipdevice->address_list; list; list = list->next) {
 242                 struct connman_ipaddress *ipaddress = list->data;
 243
 244                 connman_ipaddress_free(ipaddress);
 245                 list->data = NULL;
 246         }
 247
 248         g_slist_free(ipdevice->address_list);
 249         ipdevice->address_list = NULL;
 250 }
 251
 252 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 253                                 unsigned char prefixlen, const char *local)
 254 {
 255         GSList *list;
 256
 257         for (list = ipdevice->address_list; list; list = list->next) {
 258                 struct connman_ipaddress *ipaddress = list->data;
 259
 260                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 261                                         ipaddress->prefixlen == prefixlen)
 262                         return ipaddress;
 263         }
 264
 265         return NULL;
 266 }
 267
 268 static const char *type2str(unsigned short type)
 269 {
 270         switch (type) {
 271         case ARPHRD_ETHER:
 272                 return "ETHER";
 273         case ARPHRD_LOOPBACK:
 274                 return "LOOPBACK";
 275         case ARPHRD_PPP:
 276                 return "PPP";
 277         case ARPHRD_NONE:
 278                 return "NONE";
 279         case ARPHRD_VOID:
 280                 return "VOID";
 281         }
 282
 283         return "";
 284 }
 285
 286 static const char *scope2str(unsigned char scope)
 287 {
 288         switch (scope) {
 289         case 0:
 290                 return "UNIVERSE";
 291         case 253:
 292                 return "LINK";
 293         }
 294
 295         return "";
 296 }
 297
 298 static void free_ipdevice(gpointer data)
 299 {
 300         struct connman_ipdevice *ipdevice = data;
 301
 302         connman_info("%s {remove} index %d", ipdevice->ifname,
 303                                                         ipdevice->index);
 304
 305         if (ipdevice->config != NULL)
 306                 connman_ipconfig_unref(ipdevice->config);
 307
 308         free_address_list(ipdevice);
 309         g_free(ipdevice->ipv4_gateway);
 310         g_free(ipdevice->ipv6_gateway);
 311         g_free(ipdevice->pac);
 312
 313         g_free(ipdevice->address);
 314         g_free(ipdevice->ifname);
 315         g_free(ipdevice);
 316 }
 317
 318 static GSList *driver_list = NULL;
 319
 320 static gint compare_priority(gconstpointer a, gconstpointer b)
 321 {
 322         const struct connman_ipconfig_driver *driver1 = a;
 323         const struct connman_ipconfig_driver *driver2 = b;
 324
 325         return driver2->priority - driver1->priority;
 326 }
 327
 328 /**
 329  * connman_ipconfig_driver_register:
 330  * @driver: IP configuration driver
 331  *
 332  * Register a new IP configuration driver
 333  *
 334  * Returns: %0 on success
 335  */
 336 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 337 {
 338         DBG("driver %p name %s", driver, driver->name);
 339
 340         driver_list = g_slist_insert_sorted(driver_list, driver,
 341                                                         compare_priority);
 342
 343         return 0;
 344 }
 345
 346 /**
 347  * connman_ipconfig_driver_unregister:
 348  * @driver: IP configuration driver
 349  *
 350  * Remove a previously registered IP configuration driver.
 351  */
 352 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 353 {
 354         DBG("driver %p name %s", driver, driver->name);
 355
 356         driver_list = g_slist_remove(driver_list, driver);
 357 }
 358
 359 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 360 {
 361         GSList *list;
 362
 363         DBG("ipconfig %p", ipdevice->config);
 364
 365         if (ipdevice->config == NULL)
 366                 return;
 367
 368         switch (ipdevice->config->method) {
 369         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 370         case CONNMAN_IPCONFIG_METHOD_OFF:
 371         case CONNMAN_IPCONFIG_METHOD_FIXED:
 372         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 373                 return;
 374         case CONNMAN_IPCONFIG_METHOD_DHCP:
 375                 break;
 376         }
 377
 378         if (ipdevice->driver != NULL)
 379                 return;
 380
 381         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 382         if (ipdevice->driver_config == NULL)
 383                 return;
 384
 385         for (list = driver_list; list; list = list->next) {
 386                 struct connman_ipconfig_driver *driver = list->data;
 387
 388                 if (driver->request(ipdevice->driver_config) == 0) {
 389                         ipdevice->driver = driver;
 390                         break;
 391                 }
 392         }
 393
 394         if (ipdevice->driver == NULL) {
 395                 connman_ipconfig_unref(ipdevice->driver_config);
 396                 ipdevice->driver_config = NULL;
 397         }
 398 }
 399
 400 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 401 {
 402         DBG("ipconfig %p", ipdevice->config);
 403
 404         if (ipdevice->config == NULL)
 405                 return;
 406
 407         if (ipdevice->driver == NULL)
 408                 return;
 409
 410         ipdevice->driver->release(ipdevice->driver_config);
 411
 412         ipdevice->driver = NULL;
 413
 414         connman_ipconfig_unref(ipdevice->driver_config);
 415         ipdevice->driver_config = NULL;
 416
 417         connman_inet_clear_address(ipdevice->index, ipdevice->config->address);
 418         connman_inet_clear_ipv6_address(ipdevice->index,
 419                         ipdevice->driver_config->address->local,
 420                         ipdevice->driver_config->address->prefixlen);
 421 }
 422
 423 static void update_stats(struct connman_ipdevice *ipdevice,
 424                                                 struct rtnl_link_stats *stats)
 425 {
 426         struct connman_service *service;
 427
 428         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 429                 return;
 430
 431         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 432                                         stats->rx_packets, stats->rx_bytes);
 433         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 434                                         stats->tx_packets, stats->tx_bytes);
 435
 436         if (ipdevice->config == NULL)
 437                 return;
 438
 439         service = connman_ipconfig_get_data(ipdevice->config);
 440         if (service == NULL)
 441                 return;
 442
 443         ipdevice->rx_packets = stats->rx_packets;
 444         ipdevice->tx_packets = stats->tx_packets;
 445         ipdevice->rx_bytes = stats->rx_bytes;
 446         ipdevice->tx_bytes = stats->tx_bytes;
 447         ipdevice->rx_errors = stats->rx_errors;
 448         ipdevice->tx_errors = stats->tx_errors;
 449         ipdevice->rx_dropped = stats->rx_dropped;
 450         ipdevice->tx_dropped = stats->tx_dropped;
 451
 452         __connman_service_notify(service,
 453                                 ipdevice->rx_packets, ipdevice->tx_packets,
 454                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 455                                 ipdevice->rx_errors, ipdevice->tx_errors,
 456                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 457 }
 458
 459 void __connman_ipconfig_newlink(int index, unsigned short type,
 460                                 unsigned int flags, const char *address,
 461                                                         unsigned short mtu,
 462                                                 struct rtnl_link_stats *stats)
 463 {
 464         struct connman_ipdevice *ipdevice;
 465         GList *list;
 466         GString *str;
 467         gboolean up = FALSE, down = FALSE;
 468         gboolean lower_up = FALSE, lower_down = FALSE;
 469
 470         DBG("index %d", index);
 471
 472         if (type == ARPHRD_LOOPBACK)
 473                 return;
 474
 475         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 476         if (ipdevice != NULL)
 477                 goto update;
 478
 479         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 480         if (ipdevice == NULL)
 481                 return;
 482
 483         ipdevice->index = index;
 484         ipdevice->ifname = connman_inet_ifname(index);
 485         ipdevice->type = type;
 486
 487         ipdevice->address = g_strdup(address);
 488
 489         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 490
 491         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 492                                                 index, type, type2str(type));
 493
 494 update:
 495         ipdevice->mtu = mtu;
 496
 497         update_stats(ipdevice, stats);
 498
 499         if (flags == ipdevice->flags)
 500                 return;
 501
 502         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 503                 if (flags & IFF_UP)
 504                         up = TRUE;
 505                 else
 506                         down = TRUE;
 507         }
 508
 509         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 510                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 511                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 512                                         (IFF_RUNNING | IFF_LOWER_UP))
 513                         lower_up = TRUE;
 514                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 515                         lower_down = TRUE;
 516         }
 517
 518         ipdevice->flags = flags;
 519
 520         str = g_string_new(NULL);
 521         if (str == NULL)
 522                 return;
 523
 524         if (flags & IFF_UP)
 525                 g_string_append(str, "UP");
 526         else
 527                 g_string_append(str, "DOWN");
 528
 529         if (flags & IFF_RUNNING)
 530                 g_string_append(str, ",RUNNING");
 531
 532         if (flags & IFF_LOWER_UP)
 533                 g_string_append(str, ",LOWER_UP");
 534
 535         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 536                                                         flags, str->str);
 537
 538         g_string_free(str, TRUE);
 539
 540         for (list = g_list_first(ipconfig_list); list;
 541                                                 list = g_list_next(list)) {
 542                 struct connman_ipconfig *ipconfig = list->data;
 543
 544                 if (index != ipconfig->index)
 545                         continue;
 546
 547                 if (ipconfig->ops == NULL)
 548                         continue;
 549
 550                 if (up == TRUE && ipconfig->ops->up)
 551                         ipconfig->ops->up(ipconfig);
 552                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 553                         ipconfig->ops->lower_up(ipconfig);
 554
 555                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 556                         ipconfig->ops->lower_down(ipconfig);
 557                 if (down == TRUE && ipconfig->ops->down)
 558                         ipconfig->ops->down(ipconfig);
 559         }
 560
 561         if (lower_up)
 562                 __connman_ipconfig_lower_up(ipdevice);
 563         if (lower_down)
 564                 __connman_ipconfig_lower_down(ipdevice);
 565 }
 566
 567 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 568 {
 569         struct connman_ipdevice *ipdevice;
 570         GList *list;
 571
 572         DBG("index %d", index);
 573
 574         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 575         if (ipdevice == NULL)
 576                 return;
 577
 578         update_stats(ipdevice, stats);
 579
 580         for (list = g_list_first(ipconfig_list); list;
 581                                                 list = g_list_next(list)) {
 582                 struct connman_ipconfig *ipconfig = list->data;
 583
 584                 if (index != ipconfig->index)
 585                         continue;
 586
 587                 ipconfig->index = -1;
 588
 589                 if (ipconfig->ops == NULL)
 590                         continue;
 591
 592                 if (ipconfig->ops->lower_down)
 593                         ipconfig->ops->lower_down(ipconfig);
 594                 if (ipconfig->ops->down)
 595                         ipconfig->ops->down(ipconfig);
 596         }
 597
 598         __connman_ipconfig_lower_down(ipdevice);
 599
 600         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 601 }
 602
 603 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 604 {
 605         const struct connman_ipaddress *addr1 = a;
 606         const struct connman_ipaddress *addr2 = b;
 607
 608         if (addr1->prefixlen != addr2->prefixlen)
 609                 return addr2->prefixlen - addr1->prefixlen;
 610
 611         return g_strcmp0(addr1->local, addr2->local);
 612 }
 613
 614 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 615                                 unsigned char prefixlen, const char *address)
 616 {
 617         struct connman_ipdevice *ipdevice;
 618         struct connman_ipaddress *ipaddress;
 619         GList *list;
 620
 621         DBG("index %d", index);
 622
 623         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 624         if (ipdevice == NULL)
 625                 return;
 626
 627         ipaddress = connman_ipaddress_alloc(family);
 628         if (ipaddress == NULL)
 629                 return;
 630
 631         ipaddress->prefixlen = prefixlen;
 632         ipaddress->local = g_strdup(address);
 633
 634         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 635                                         check_duplicate_address)) {
 636                 connman_ipaddress_free(ipaddress);
 637                 return;
 638         }
 639
 640         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 641                                                                 ipaddress);
 642
 643         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 644                                                 address, prefixlen, label);
 645
 646         if (ipdevice->config != NULL) {
 647                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 648                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 649                                                         ipaddress);
 650                 else
 651                         connman_ipaddress_copy(ipdevice->config->system,
 652                                                         ipaddress);
 653         }
 654
 655         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 656                 return;
 657
 658         for (list = g_list_first(ipconfig_list); list;
 659                                                 list = g_list_next(list)) {
 660                 struct connman_ipconfig *ipconfig = list->data;
 661
 662                 if (index != ipconfig->index)
 663                         continue;
 664
 665                 if (ipconfig->ops == NULL)
 666                         continue;
 667
 668                 if (ipconfig->ops->ip_bound)
 669                         ipconfig->ops->ip_bound(ipconfig);
 670         }
 671 }
 672
 673 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 674                                 unsigned char prefixlen, const char *address)
 675 {
 676         struct connman_ipdevice *ipdevice;
 677         struct connman_ipaddress *ipaddress;
 678         GList *list;
 679
 680         DBG("index %d", index);
 681
 682         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 683         if (ipdevice == NULL)
 684                 return;
 685
 686         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 687         if (ipaddress == NULL)
 688                 return;
 689
 690         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 691                                                                 ipaddress);
 692
 693         connman_ipaddress_free(ipaddress);
 694
 695         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 696                                                 address, prefixlen, label);
 697
 698         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 699                 return;
 700
 701         if (g_slist_length(ipdevice->address_list) > 0)
 702                 return;
 703
 704         for (list = g_list_first(ipconfig_list); list;
 705                                                 list = g_list_next(list)) {
 706                 struct connman_ipconfig *ipconfig = list->data;
 707
 708                 if (index != ipconfig->index)
 709                         continue;
 710
 711                 if (ipconfig->ops == NULL)
 712                         continue;
 713
 714                 if (ipconfig->ops->ip_release)
 715                         ipconfig->ops->ip_release(ipconfig);
 716         }
 717 }
 718
 719 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 720                                         const char *dst, const char *gateway)
 721 {
 722         struct connman_ipdevice *ipdevice;
 723
 724         DBG("index %d", index);
 725
 726         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 727         if (ipdevice == NULL)
 728                 return;
 729
 730         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 731                 GSList *list;
 732                 GList *config_list;
 733
 734                 if (family == AF_INET6) {
 735                         g_free(ipdevice->ipv6_gateway);
 736                         ipdevice->ipv6_gateway = g_strdup(gateway);
 737                 } else {
 738                         g_free(ipdevice->ipv4_gateway);
 739                         ipdevice->ipv4_gateway = g_strdup(gateway);
 740                 }
 741
 742                 if (ipdevice->config != NULL &&
 743                                         ipdevice->config->system != NULL) {
 744                         g_free(ipdevice->config->system->gateway);
 745                         ipdevice->config->system->gateway = g_strdup(gateway);
 746                 }
 747
 748                 for (list = ipdevice->address_list; list; list = list->next) {
 749                         struct connman_ipaddress *ipaddress = list->data;
 750
 751                         g_free(ipaddress->gateway);
 752                         ipaddress->gateway = g_strdup(gateway);
 753                 }
 754
 755                 for (config_list = g_list_first(ipconfig_list); config_list;
 756                                         config_list = g_list_next(config_list)) {
 757                         struct connman_ipconfig *ipconfig = config_list->data;
 758
 759                         if (index != ipconfig->index)
 760                                 continue;
 761
 762                         if (ipconfig->ops == NULL)
 763                                 continue;
 764
 765                         if (ipconfig->ops->ip_bound)
 766                                 ipconfig->ops->ip_bound(ipconfig);
 767                 }
 768         }
 769
 770         connman_info("%s {add} route %s gw %s scope %u <%s>",
 771                                         ipdevice->ifname, dst, gateway,
 772                                                 scope, scope2str(scope));
 773 }
 774
 775 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 776                                         const char *dst, const char *gateway)
 777 {
 778         struct connman_ipdevice *ipdevice;
 779
 780         DBG("index %d", index);
 781
 782         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 783         if (ipdevice == NULL)
 784                 return;
 785
 786         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 787                 GSList *list;
 788                 GList *config_list;
 789
 790                 if (family == AF_INET6) {
 791                         g_free(ipdevice->ipv6_gateway);
 792                         ipdevice->ipv6_gateway = NULL;
 793                 } else {
 794                         g_free(ipdevice->ipv4_gateway);
 795                         ipdevice->ipv4_gateway = NULL;
 796                 }
 797
 798                 if (ipdevice->config != NULL &&
 799                                         ipdevice->config->system != NULL) {
 800                         g_free(ipdevice->config->system->gateway);
 801                         ipdevice->config->system->gateway = NULL;
 802                 }
 803
 804                 for (list = ipdevice->address_list; list; list = list->next) {
 805                         struct connman_ipaddress *ipaddress = list->data;
 806
 807                         g_free(ipaddress->gateway);
 808                         ipaddress->gateway = NULL;
 809                 }
 810
 811                 for (config_list = g_list_first(ipconfig_list); config_list;
 812                                         config_list = g_list_next(config_list)) {
 813                         struct connman_ipconfig *ipconfig = config_list->data;
 814
 815                         if (index != ipconfig->index)
 816                                 continue;
 817
 818                         if (ipconfig->ops == NULL)
 819                                 continue;
 820
 821                         if (ipconfig->ops->ip_release)
 822                                 ipconfig->ops->ip_release(ipconfig);
 823                 }
 824         }
 825
 826         connman_info("%s {del} route %s gw %s scope %u <%s>",
 827                                         ipdevice->ifname, dst, gateway,
 828                                                 scope, scope2str(scope));
 829 }
 830
 831 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 832                                                         void *user_data)
 833 {
 834         GList *list, *keys;
 835
 836         keys = g_hash_table_get_keys(ipdevice_hash);
 837         if (keys == NULL)
 838                 return;
 839
 840         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 841                 int index = GPOINTER_TO_INT(list->data);
 842
 843                 function(index, user_data);
 844         }
 845
 846         g_list_free(keys);
 847 }
 848
 849 unsigned short __connman_ipconfig_get_type(int index)
 850 {
 851         struct connman_ipdevice *ipdevice;
 852
 853         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 854         if (ipdevice == NULL)
 855                 return ARPHRD_VOID;
 856
 857         return ipdevice->type;
 858 }
 859
 860 unsigned int __connman_ipconfig_get_flags(int index)
 861 {
 862         struct connman_ipdevice *ipdevice;
 863
 864         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 865         if (ipdevice == NULL)
 866                 return 0;
 867
 868         return ipdevice->flags;
 869 }
 870
 871 const char *__connman_ipconfig_get_gateway(int index)
 872 {
 873         struct connman_ipdevice *ipdevice;
 874
 875         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 876         if (ipdevice == NULL)
 877                 return NULL;
 878
 879         if (ipdevice->ipv4_gateway != NULL)
 880                 return ipdevice->ipv4_gateway;
 881
 882         if (ipdevice->config != NULL &&
 883                         ipdevice->config->address != NULL)
 884                 return ipdevice->config->address->gateway;
 885
 886         return NULL;
 887 }
 888
 889 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 890 {
 891         ipconfig->index = index;
 892
 893         if (ipconfig->ipv6 != NULL)
 894                 ipconfig->ipv6->index = index;
 895 }
 896
 897 static struct connman_ipconfig *create_ipv6config(int index)
 898 {
 899         struct connman_ipconfig *ipv6config;
 900
 901         DBG("index %d", index);
 902
 903         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 904         if (ipv6config == NULL)
 905                 return NULL;
 906
 907         ipv6config->index = index;
 908         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 909         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
 910
 911         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 912         if (ipv6config->address == NULL) {
 913                 g_free(ipv6config);
 914                 return NULL;
 915         }
 916
 917         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 918
 919         ipv6config->ipv6 = NULL;
 920
 921         DBG("ipconfig %p", ipv6config);
 922
 923         return ipv6config;
 924 }
 925
 926 /**
 927  * connman_ipconfig_create:
 928  *
 929  * Allocate a new ipconfig structure.
 930  *
 931  * Returns: a newly-allocated #connman_ipconfig structure
 932  */
 933 struct connman_ipconfig *connman_ipconfig_create(int index)
 934 {
 935         struct connman_ipconfig *ipconfig;
 936
 937         DBG("index %d", index);
 938
 939         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 940         if (ipconfig == NULL)
 941                 return NULL;
 942
 943         ipconfig->refcount = 1;
 944
 945         ipconfig->index = index;
 946         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 947
 948         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 949         if (ipconfig->address == NULL) {
 950                 g_free(ipconfig);
 951                 return NULL;
 952         }
 953
 954         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 955
 956         ipconfig->ipv6 = create_ipv6config(index);
 957
 958         DBG("ipconfig %p", ipconfig);
 959
 960         return ipconfig;
 961 }
 962
 963 /**
 964  * connman_ipconfig_clone:
 965  *
 966  * Clone an ipconfig structure and create new reference.
 967  *
 968  * Returns: a newly-allocated #connman_ipconfig structure
 969  */
 970 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 971 {
 972         struct connman_ipconfig *ipconfig_clone;
 973
 974         DBG("ipconfig %p", ipconfig);
 975
 976         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 977         if (ipconfig_clone == NULL)
 978                 return NULL;
 979
 980         ipconfig_clone->refcount = 1;
 981
 982         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 983
 984         ipconfig_clone->index = -1;
 985
 986         return ipconfig_clone;
 987 }
 988
 989 /**
 990  * connman_ipconfig_ref:
 991  * @ipconfig: ipconfig structure
 992  *
 993  * Increase reference counter of ipconfig
 994  */
 995 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 996 {
 997         g_atomic_int_inc(&ipconfig->refcount);
 998
 999         return ipconfig;
1000 }
1001
1002 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
1003 {
1004         if (ipconfig == NULL)
1005                 return;
1006
1007         connman_ipconfig_set_ops(ipconfig, NULL);
1008         connman_ipaddress_free(ipconfig->system);
1009         connman_ipaddress_free(ipconfig->address);
1010         g_free(ipconfig->ipv6);
1011 }
1012
1013 /**
1014  * connman_ipconfig_unref:
1015  * @ipconfig: ipconfig structure
1016  *
1017  * Decrease reference counter of ipconfig
1018  */
1019 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1020 {
1021         if (ipconfig &&
1022                 g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1023                 __connman_ipconfig_disable(ipconfig);
1024
1025                 connman_ipconfig_set_ops(ipconfig, NULL);
1026
1027                 if (ipconfig->origin != NULL) {
1028                         connman_ipconfig_unref(ipconfig->origin);
1029                         ipconfig->origin = NULL;
1030                 }
1031
1032                 connman_ipaddress_free(ipconfig->system);
1033                 connman_ipaddress_free(ipconfig->address);
1034                 free_ipv6config(ipconfig->ipv6);
1035                 g_free(ipconfig);
1036         }
1037 }
1038
1039 /**
1040  * connman_ipconfig_get_data:
1041  * @ipconfig: ipconfig structure
1042  *
1043  * Get private data pointer
1044  */
1045 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1046 {
1047         return ipconfig->ops_data;
1048 }
1049
1050 /**
1051  * connman_ipconfig_set_data:
1052  * @ipconfig: ipconfig structure
1053  * @data: data pointer
1054  *
1055  * Set private data pointer
1056  */
1057 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1058 {
1059         ipconfig->ops_data = data;
1060 }
1061
1062 /**
1063  * connman_ipconfig_get_index:
1064  * @ipconfig: ipconfig structure
1065  *
1066  * Get interface index
1067  */
1068 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1069 {
1070         if (ipconfig == NULL)
1071                 return -1;
1072
1073         if (ipconfig->origin != NULL)
1074                 return ipconfig->origin->index;
1075
1076         return ipconfig->index;
1077 }
1078
1079 /**
1080  * connman_ipconfig_get_ifname:
1081  * @ipconfig: ipconfig structure
1082  *
1083  * Get interface name
1084  */
1085 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1086 {
1087         struct connman_ipdevice *ipdevice;
1088
1089         if (ipconfig == NULL)
1090                 return NULL;
1091
1092         if (ipconfig->index < 0)
1093                 return NULL;
1094
1095         ipdevice = g_hash_table_lookup(ipdevice_hash,
1096                                         GINT_TO_POINTER(ipconfig->index));
1097         if (ipdevice == NULL)
1098                 return NULL;
1099
1100         return ipdevice->ifname;
1101 }
1102
1103 /**
1104  * connman_ipconfig_set_ops:
1105  * @ipconfig: ipconfig structure
1106  * @ops: operation callbacks
1107  *
1108  * Set the operation callbacks
1109  */
1110 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1111                                 const struct connman_ipconfig_ops *ops)
1112 {
1113         ipconfig->ops = ops;
1114 }
1115
1116 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1117                                 struct connman_ipconfig *ipconfig)
1118 {
1119         if (ipconfig == NULL)
1120                 return NULL;
1121
1122         return ipconfig->ipv6;
1123 }
1124
1125 /**
1126  * connman_ipconfig_set_method:
1127  * @ipconfig: ipconfig structure
1128  * @method: configuration method
1129  *
1130  * Set the configuration method
1131  */
1132 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1133                                         enum connman_ipconfig_method method)
1134 {
1135         ipconfig->method = method;
1136
1137         return 0;
1138 }
1139
1140 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1141 {
1142         if (ipconfig == NULL)
1143                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1144
1145         return ipconfig->method;
1146 }
1147
1148 /**
1149  * connman_ipconfig_bind:
1150  * @ipconfig: ipconfig structure
1151  * @ipaddress: ipaddress structure
1152  *
1153  * Bind IP address details to configuration
1154  */
1155 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1156                                         struct connman_ipaddress *ipaddress)
1157 {
1158         struct connman_ipconfig *origin;
1159
1160         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1161
1162         connman_ipaddress_copy(origin->address, ipaddress);
1163
1164         connman_inet_set_address(origin->index, origin->address);
1165 }
1166
1167 void __connman_ipconfig_set_element_ipv6_gateway(
1168                         struct connman_ipconfig *ipconfig,
1169                                 struct connman_element *element)
1170 {
1171         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1172 }
1173
1174 /*
1175  * FIXME: The element soulution should be removed in the future
1176  * Set IPv4 and IPv6 gateway
1177  */
1178 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1179                                                 struct connman_element *parent)
1180 {
1181         struct connman_element *connection;
1182
1183         connection = connman_element_create(NULL);
1184
1185         DBG("ipconfig %p", ipconfig);
1186
1187         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1188         connection->index = ipconfig->index;
1189         connection->ipv4.gateway = ipconfig->address->gateway;
1190         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1191
1192         if (connman_element_register(connection, parent) < 0)
1193                 connman_element_unref(connection);
1194
1195         return 0;
1196 }
1197
1198 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1199 {
1200         DBG("");
1201
1202         switch (ipconfig->method) {
1203         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1204         case CONNMAN_IPCONFIG_METHOD_OFF:
1205         case CONNMAN_IPCONFIG_METHOD_FIXED:
1206         case CONNMAN_IPCONFIG_METHOD_DHCP:
1207                 break;
1208         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1209                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1210                         return connman_inet_set_address(ipconfig->index,
1211                                                         ipconfig->address);
1212                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1213                         return connman_inet_set_ipv6_address(
1214                                         ipconfig->index, ipconfig->address);
1215         }
1216
1217         return 0;
1218 }
1219
1220 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1221 {
1222         DBG("");
1223
1224         if (ipconfig == NULL)
1225                 return 0;
1226
1227         DBG("method %d", ipconfig->method);
1228
1229         switch (ipconfig->method) {
1230         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1231         case CONNMAN_IPCONFIG_METHOD_OFF:
1232         case CONNMAN_IPCONFIG_METHOD_FIXED:
1233         case CONNMAN_IPCONFIG_METHOD_DHCP:
1234                 break;
1235         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1236                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1237                         return connman_inet_clear_address(ipconfig->index,
1238                                                         ipconfig->address);
1239                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1240                         return connman_inet_clear_ipv6_address(
1241                                                 ipconfig->index,
1242                                                 ipconfig->address->local,
1243                                                 ipconfig->address->prefixlen);
1244         }
1245
1246         return 0;
1247 }
1248
1249 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1250                                                         const char *url)
1251 {
1252         struct connman_ipdevice *ipdevice;
1253
1254         DBG("ipconfig %p", ipconfig);
1255
1256         if (ipconfig == NULL || ipconfig->index < 0)
1257                 return -ENODEV;
1258
1259         ipdevice = g_hash_table_lookup(ipdevice_hash,
1260                                         GINT_TO_POINTER(ipconfig->index));
1261         if (ipdevice == NULL)
1262                 return -ENXIO;
1263
1264         g_free(ipdevice->pac);
1265         ipdevice->pac = g_strdup(url);
1266
1267         return 0;
1268 }
1269
1270 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1271 {
1272         struct connman_ipdevice *ipdevice;
1273
1274         DBG("ipconfig %p", ipconfig);
1275
1276         if (ipconfig == NULL || ipconfig->index < 0)
1277                 return NULL;
1278
1279         ipdevice = g_hash_table_lookup(ipdevice_hash,
1280                                         GINT_TO_POINTER(ipconfig->index));
1281         if (ipdevice == NULL)
1282                 return NULL;
1283
1284         return ipdevice->pac;
1285 }
1286
1287 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1288 {
1289         struct connman_ipdevice *ipdevice;
1290         gboolean up = FALSE, down = FALSE;
1291         gboolean lower_up = FALSE, lower_down = FALSE;
1292
1293         DBG("ipconfig %p", ipconfig);
1294
1295         if (ipconfig == NULL || ipconfig->index < 0)
1296                 return -ENODEV;
1297
1298         ipdevice = g_hash_table_lookup(ipdevice_hash,
1299                                         GINT_TO_POINTER(ipconfig->index));
1300         if (ipdevice == NULL)
1301                 return -ENXIO;
1302
1303         if (ipdevice->config == ipconfig)
1304                 return -EALREADY;
1305
1306         if (ipdevice->config != NULL) {
1307                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1308
1309                 connman_ipaddress_clear(ipdevice->config->system);
1310
1311                 connman_ipconfig_unref(ipdevice->config);
1312         }
1313
1314         ipdevice->config = connman_ipconfig_ref(ipconfig);
1315
1316         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1317
1318         if (ipdevice->flags & IFF_UP)
1319                 up = TRUE;
1320         else
1321                 down = TRUE;
1322
1323         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1324                         (IFF_RUNNING | IFF_LOWER_UP))
1325                 lower_up = TRUE;
1326         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1327                 lower_down = TRUE;
1328
1329         if (up == TRUE && ipconfig->ops->up)
1330                 ipconfig->ops->up(ipconfig);
1331         if (lower_up == TRUE && ipconfig->ops->lower_up)
1332                 ipconfig->ops->lower_up(ipconfig);
1333
1334         if (lower_down == TRUE && ipconfig->ops->lower_down)
1335                 ipconfig->ops->lower_down(ipconfig);
1336         if (down == TRUE && ipconfig->ops->down)
1337                 ipconfig->ops->down(ipconfig);
1338
1339         return 0;
1340 }
1341
1342 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1343 {
1344         struct connman_ipdevice *ipdevice;
1345
1346         DBG("ipconfig %p", ipconfig);
1347
1348         if (ipconfig == NULL || ipconfig->index < 0)
1349                 return -ENODEV;
1350
1351         ipdevice = g_hash_table_lookup(ipdevice_hash,
1352                                         GINT_TO_POINTER(ipconfig->index));
1353         if (ipdevice == NULL)
1354                 return -ENXIO;
1355
1356         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1357                 return -EINVAL;
1358
1359         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1360
1361         connman_ipaddress_clear(ipdevice->config->system);
1362         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1363
1364         connman_ipconfig_unref(ipdevice->config);
1365         ipdevice->config = NULL;
1366
1367         return 0;
1368 }
1369
1370 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1371 {
1372         switch (method) {
1373         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1374                 break;
1375         case CONNMAN_IPCONFIG_METHOD_OFF:
1376                 return "off";
1377         case CONNMAN_IPCONFIG_METHOD_FIXED:
1378                 return "fixed";
1379         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1380                 return "manual";
1381         case CONNMAN_IPCONFIG_METHOD_DHCP:
1382                 return "dhcp";
1383         }
1384
1385         return NULL;
1386 }
1387
1388 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1389 {
1390         if (g_strcmp0(method, "off") == 0)
1391                 return CONNMAN_IPCONFIG_METHOD_OFF;
1392         else if (g_strcmp0(method, "fixed") == 0)
1393                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1394         else if (g_strcmp0(method, "manual") == 0)
1395                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1396         else if (g_strcmp0(method, "dhcp") == 0)
1397                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1398         else
1399                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1400 }
1401
1402 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1403                                                         DBusMessageIter *iter)
1404 {
1405         const char *str;
1406
1407         DBG("");
1408
1409         str = __connman_ipconfig_method2string(ipconfig->method);
1410         if (str == NULL)
1411                 return;
1412
1413         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1414
1415         if (ipconfig->system == NULL)
1416                 return;
1417
1418         if (ipconfig->system->local != NULL) {
1419                 in_addr_t addr;
1420                 struct in_addr netmask;
1421                 char *mask;
1422
1423                 connman_dbus_dict_append_basic(iter, "Address",
1424                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1425
1426                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1427                 netmask.s_addr = htonl(addr);
1428                 mask = inet_ntoa(netmask);
1429                 connman_dbus_dict_append_basic(iter, "Netmask",
1430                                                 DBUS_TYPE_STRING, &mask);
1431         }
1432
1433         if (ipconfig->system->gateway != NULL)
1434                 connman_dbus_dict_append_basic(iter, "Gateway",
1435                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1436 }
1437
1438 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1439                                                         DBusMessageIter *iter)
1440 {
1441         const char *str;
1442
1443         DBG("");
1444
1445         str = __connman_ipconfig_method2string(ipconfig->method);
1446         if (str == NULL)
1447                 return;
1448
1449         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1450
1451         if (ipconfig->system == NULL)
1452                 return;
1453
1454         if (ipconfig->system->local != NULL) {
1455                 connman_dbus_dict_append_basic(iter, "Address",
1456                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1457                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1458                                                 DBUS_TYPE_BYTE,
1459                                                 &ipconfig->system->prefixlen);
1460         }
1461
1462         if (ipconfig->system->gateway != NULL)
1463                 connman_dbus_dict_append_basic(iter, "Gateway",
1464                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1465 }
1466
1467 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1468                                                         DBusMessageIter *iter)
1469 {
1470         const char *str;
1471
1472         DBG("");
1473
1474         str = __connman_ipconfig_method2string(ipconfig->method);
1475         if (str == NULL)
1476                 return;
1477
1478         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1479
1480         switch (ipconfig->method) {
1481         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1482         case CONNMAN_IPCONFIG_METHOD_OFF:
1483         case CONNMAN_IPCONFIG_METHOD_DHCP:
1484                 return;
1485         case CONNMAN_IPCONFIG_METHOD_FIXED:
1486         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1487                 break;
1488         }
1489
1490         if (ipconfig->address == NULL)
1491                 return;
1492
1493         if (ipconfig->address->local != NULL) {
1494                 connman_dbus_dict_append_basic(iter, "Address",
1495                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1496                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1497                                                 DBUS_TYPE_BYTE,
1498                                                 &ipconfig->address->prefixlen);
1499         }
1500
1501         if (ipconfig->address->gateway != NULL)
1502                 connman_dbus_dict_append_basic(iter, "Gateway",
1503                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1504 }
1505
1506 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1507                                                         DBusMessageIter *iter)
1508 {
1509         const char *str;
1510
1511         DBG("");
1512
1513         str = __connman_ipconfig_method2string(ipconfig->method);
1514         if (str == NULL)
1515                 return;
1516
1517         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1518
1519         switch (ipconfig->method) {
1520         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1521         case CONNMAN_IPCONFIG_METHOD_OFF:
1522         case CONNMAN_IPCONFIG_METHOD_FIXED:
1523         case CONNMAN_IPCONFIG_METHOD_DHCP:
1524                 return;
1525         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1526                 break;
1527         }
1528
1529         if (ipconfig->address == NULL)
1530                 return;
1531
1532         if (ipconfig->address->local != NULL) {
1533                 in_addr_t addr;
1534                 struct in_addr netmask;
1535                 char *mask;
1536
1537                 connman_dbus_dict_append_basic(iter, "Address",
1538                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1539
1540                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1541                 netmask.s_addr = htonl(addr);
1542                 mask = inet_ntoa(netmask);
1543                 connman_dbus_dict_append_basic(iter, "Netmask",
1544                                                 DBUS_TYPE_STRING, &mask);
1545         }
1546
1547         if (ipconfig->address->gateway != NULL)
1548                 connman_dbus_dict_append_basic(iter, "Gateway",
1549                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1550 }
1551
1552 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1553                 enum connman_ipconfig_type type, DBusMessageIter *array)
1554 {
1555         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1556         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1557                         *prefix_length_string = NULL;
1558         int prefix_length = 0;
1559         DBusMessageIter dict;
1560
1561         DBG("ipconfig %p type %d", ipconfig, type);
1562
1563         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1564                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1565                 return -EINVAL;
1566
1567         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1568                 return -EINVAL;
1569
1570         dbus_message_iter_recurse(array, &dict);
1571
1572         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1573                 DBusMessageIter entry;
1574                 const char *key;
1575                 int type;
1576
1577                 dbus_message_iter_recurse(&dict, &entry);
1578
1579                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1580                         return -EINVAL;
1581
1582                 dbus_message_iter_get_basic(&entry, &key);
1583                 dbus_message_iter_next(&entry);
1584
1585                 type = dbus_message_iter_get_arg_type(&entry);
1586
1587                 if (g_str_equal(key, "Method") == TRUE) {
1588                         const char *str;
1589
1590                         if (type != DBUS_TYPE_STRING)
1591                                 return -EINVAL;
1592
1593                         dbus_message_iter_get_basic(&entry, &str);
1594                         method = __connman_ipconfig_string2method(str);
1595                 } else if (g_str_equal(key, "Address") == TRUE) {
1596                         if (type != DBUS_TYPE_STRING)
1597                                 return -EINVAL;
1598
1599                         dbus_message_iter_get_basic(&entry, &address);
1600                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1601                         if (type != DBUS_TYPE_STRING)
1602                                 return -EINVAL;
1603
1604                         dbus_message_iter_get_basic(&entry,
1605                                                         &prefix_length_string);
1606
1607                         prefix_length = atoi(prefix_length_string);
1608                         if (prefix_length < 0 || prefix_length > 128)
1609                                 return -EINVAL;
1610
1611                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1612                         if (type != DBUS_TYPE_STRING)
1613                                 return -EINVAL;
1614
1615                         dbus_message_iter_get_basic(&entry, &netmask);
1616                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1617                         if (type != DBUS_TYPE_STRING)
1618                                 return -EINVAL;
1619
1620                         dbus_message_iter_get_basic(&entry, &gateway);
1621                 }
1622                 dbus_message_iter_next(&dict);
1623         }
1624
1625         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1626                         method, address, netmask, gateway, prefix_length);
1627
1628         switch (method) {
1629         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1630         case CONNMAN_IPCONFIG_METHOD_OFF:
1631         case CONNMAN_IPCONFIG_METHOD_FIXED:
1632                 return -EINVAL;
1633
1634         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1635                 if (address == NULL)
1636                         return -EINVAL;
1637
1638                 ipconfig->method = method;
1639
1640                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1641                         connman_ipaddress_set_ipv4(ipconfig->address,
1642                                                 address, netmask, gateway);
1643                 else
1644                         return connman_ipaddress_set_ipv6(
1645                                         ipconfig->address, address,
1646                                                 gateway, prefix_length);
1647                 break;
1648
1649         case CONNMAN_IPCONFIG_METHOD_DHCP:
1650                 if (ipconfig->method == method)
1651                         return 0;
1652
1653                 ipconfig->method = method;
1654                 break;
1655         }
1656
1657         return 0;
1658 }
1659
1660 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1661                                                         DBusMessageIter *iter)
1662 {
1663         struct connman_ipdevice *ipdevice;
1664         const char *method = "auto";
1665
1666         connman_dbus_dict_append_basic(iter, "Method",
1667                                                 DBUS_TYPE_STRING, &method);
1668
1669         ipdevice = g_hash_table_lookup(ipdevice_hash,
1670                                         GINT_TO_POINTER(ipconfig->index));
1671         if (ipdevice == NULL)
1672                 return;
1673
1674         if (ipdevice->ifname != NULL)
1675                 connman_dbus_dict_append_basic(iter, "Interface",
1676                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1677
1678         if (ipdevice->address != NULL)
1679                 connman_dbus_dict_append_basic(iter, "Address",
1680                                         DBUS_TYPE_STRING, &ipdevice->address);
1681
1682         if (ipdevice->mtu > 0)
1683                 connman_dbus_dict_append_basic(iter, "MTU",
1684                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1685 }
1686
1687 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1688                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1689 {
1690         const char *method;
1691         char *key;
1692
1693         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1694
1695         key = g_strdup_printf("%smethod", prefix);
1696         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1697         if (method == NULL) {
1698                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1699                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1700                 else
1701                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1702         } else
1703                 ipconfig->method = __connman_ipconfig_string2method(method);
1704         g_free(key);
1705
1706         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1707         ipconfig->address->prefixlen = g_key_file_get_integer(
1708                                 keyfile, identifier, key, NULL);
1709         g_free(key);
1710
1711         key = g_strdup_printf("%slocal_address", prefix);
1712         ipconfig->address->local = g_key_file_get_string(
1713                         keyfile, identifier, key, NULL);
1714         g_free(key);
1715
1716         key = g_strdup_printf("%speer_address", prefix);
1717         ipconfig->address->peer = g_key_file_get_string(
1718                                 keyfile, identifier, key, NULL);
1719         g_free(key);
1720
1721         key = g_strdup_printf("%sbroadcast_address", prefix);
1722         ipconfig->address->broadcast = g_key_file_get_string(
1723                                 keyfile, identifier, key, NULL);
1724         g_free(key);
1725
1726         key = g_strdup_printf("%sgateway", prefix);
1727         ipconfig->address->gateway = g_key_file_get_string(
1728                                 keyfile, identifier, key, NULL);
1729         g_free(key);
1730
1731         return 0;
1732 }
1733
1734 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1735                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1736 {
1737         const char *method;
1738         char *key;
1739
1740         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1741
1742         method = __connman_ipconfig_method2string(ipconfig->method);
1743
1744         key = g_strdup_printf("%smethod", prefix);
1745         g_key_file_set_string(keyfile, identifier, key, method);
1746         g_free(key);
1747
1748         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1749         g_key_file_set_integer(keyfile, identifier,
1750                         key, ipconfig->address->prefixlen);
1751         g_free(key);
1752
1753         key = g_strdup_printf("%slocal_address", prefix);
1754         if (ipconfig->address->local != NULL)
1755                 g_key_file_set_string(keyfile, identifier,
1756                                 key, ipconfig->address->local);
1757         g_free(key);
1758
1759         key = g_strdup_printf("%speer_address", prefix);
1760         if (ipconfig->address->peer != NULL)
1761                 g_key_file_set_string(keyfile, identifier,
1762                                 key, ipconfig->address->peer);
1763         g_free(key);
1764
1765         key = g_strdup_printf("%sbroadcast_address", prefix);
1766         if (ipconfig->address->broadcast != NULL)
1767                 g_key_file_set_string(keyfile, identifier,
1768                         key, ipconfig->address->broadcast);
1769         g_free(key);
1770
1771         key = g_strdup_printf("%sgateway", prefix);
1772         if (ipconfig->address->gateway != NULL)
1773                 g_key_file_set_string(keyfile, identifier,
1774                         key, ipconfig->address->gateway);
1775         g_free(key);
1776
1777         return 0;
1778 }
1779
1780 int __connman_ipconfig_init(void)
1781 {
1782         DBG("");
1783
1784         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1785                                                         NULL, free_ipdevice);
1786
1787         return 0;
1788 }
1789
1790 void __connman_ipconfig_cleanup(void)
1791 {
1792         DBG("");
1793
1794         g_hash_table_destroy(ipdevice_hash);
1795         ipdevice_hash = NULL;
1796 }