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