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