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 (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1002                 __connman_ipconfig_disable(ipconfig);
1003
1004                 connman_ipconfig_set_ops(ipconfig, NULL);
1005
1006                 if (ipconfig->origin != NULL) {
1007                         connman_ipconfig_unref(ipconfig->origin);
1008                         ipconfig->origin = NULL;
1009                 }
1010
1011                 connman_ipaddress_free(ipconfig->system);
1012                 connman_ipaddress_free(ipconfig->address);
1013                 free_ipv6config(ipconfig->ipv6);
1014                 g_free(ipconfig);
1015         }
1016 }
1017
1018 /**
1019  * connman_ipconfig_get_data:
1020  * @ipconfig: ipconfig structure
1021  *
1022  * Get private data pointer
1023  */
1024 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1025 {
1026         return ipconfig->ops_data;
1027 }
1028
1029 /**
1030  * connman_ipconfig_set_data:
1031  * @ipconfig: ipconfig structure
1032  * @data: data pointer
1033  *
1034  * Set private data pointer
1035  */
1036 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1037 {
1038         ipconfig->ops_data = data;
1039 }
1040
1041 /**
1042  * connman_ipconfig_get_index:
1043  * @ipconfig: ipconfig structure
1044  *
1045  * Get interface index
1046  */
1047 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1048 {
1049         if (ipconfig == NULL)
1050                 return -1;
1051
1052         if (ipconfig->origin != NULL)
1053                 return ipconfig->origin->index;
1054
1055         return ipconfig->index;
1056 }
1057
1058 /**
1059  * connman_ipconfig_get_ifname:
1060  * @ipconfig: ipconfig structure
1061  *
1062  * Get interface name
1063  */
1064 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1065 {
1066         struct connman_ipdevice *ipdevice;
1067
1068         if (ipconfig == NULL)
1069                 return NULL;
1070
1071         if (ipconfig->index < 0)
1072                 return NULL;
1073
1074         ipdevice = g_hash_table_lookup(ipdevice_hash,
1075                                         GINT_TO_POINTER(ipconfig->index));
1076         if (ipdevice == NULL)
1077                 return NULL;
1078
1079         return ipdevice->ifname;
1080 }
1081
1082 /**
1083  * connman_ipconfig_set_ops:
1084  * @ipconfig: ipconfig structure
1085  * @ops: operation callbacks
1086  *
1087  * Set the operation callbacks
1088  */
1089 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1090                                 const struct connman_ipconfig_ops *ops)
1091 {
1092         ipconfig->ops = ops;
1093 }
1094
1095 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1096                                 struct connman_ipconfig *ipconfig)
1097 {
1098         if (ipconfig == NULL)
1099                 return NULL;
1100
1101         return ipconfig->ipv6;
1102 }
1103
1104 /**
1105  * connman_ipconfig_set_method:
1106  * @ipconfig: ipconfig structure
1107  * @method: configuration method
1108  *
1109  * Set the configuration method
1110  */
1111 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1112                                         enum connman_ipconfig_method method)
1113 {
1114         ipconfig->method = method;
1115
1116         return 0;
1117 }
1118
1119 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1120 {
1121         if (ipconfig == NULL)
1122                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1123
1124         return ipconfig->method;
1125 }
1126
1127 /**
1128  * connman_ipconfig_bind:
1129  * @ipconfig: ipconfig structure
1130  * @ipaddress: ipaddress structure
1131  *
1132  * Bind IP address details to configuration
1133  */
1134 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1135                                         struct connman_ipaddress *ipaddress)
1136 {
1137         struct connman_ipconfig *origin;
1138
1139         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1140
1141         connman_ipaddress_copy(origin->address, ipaddress);
1142
1143         connman_inet_set_address(origin->index, origin->address);
1144 }
1145
1146 void __connman_ipconfig_set_element_ipv6_gateway(
1147                         struct connman_ipconfig *ipconfig,
1148                                 struct connman_element *element)
1149 {
1150         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1151 }
1152
1153 /*
1154  * FIXME: The element soulution should be removed in the future
1155  * Set IPv4 and IPv6 gateway
1156  */
1157 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1158                                                 struct connman_element *parent)
1159 {
1160         struct connman_element *connection;
1161
1162         connection = connman_element_create(NULL);
1163
1164         DBG("ipconfig %p", ipconfig);
1165
1166         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1167         connection->index = ipconfig->index;
1168         connection->ipv4.gateway = ipconfig->address->gateway;
1169         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1170
1171         if (connman_element_register(connection, parent) < 0)
1172                 connman_element_unref(connection);
1173
1174         return 0;
1175 }
1176
1177 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1178 {
1179         DBG("");
1180
1181         switch (ipconfig->method) {
1182         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1183         case CONNMAN_IPCONFIG_METHOD_OFF:
1184         case CONNMAN_IPCONFIG_METHOD_FIXED:
1185         case CONNMAN_IPCONFIG_METHOD_DHCP:
1186                 break;
1187         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1188                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1189                         return connman_inet_set_address(ipconfig->index,
1190                                                         ipconfig->address);
1191                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1192                         return connman_inet_set_ipv6_address(
1193                                         ipconfig->index, ipconfig->address);
1194         }
1195
1196         return 0;
1197 }
1198
1199 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1200 {
1201         DBG("");
1202
1203         if (ipconfig == NULL)
1204                 return 0;
1205
1206         DBG("method %d", ipconfig->method);
1207
1208         switch (ipconfig->method) {
1209         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1210         case CONNMAN_IPCONFIG_METHOD_OFF:
1211         case CONNMAN_IPCONFIG_METHOD_FIXED:
1212         case CONNMAN_IPCONFIG_METHOD_DHCP:
1213                 break;
1214         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1215                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1216                         return connman_inet_clear_address(ipconfig->index,
1217                                                         ipconfig->address);
1218                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1219                         return connman_inet_clear_ipv6_address(
1220                                                 ipconfig->index,
1221                                                 ipconfig->address->local,
1222                                                 ipconfig->address->prefixlen);
1223         }
1224
1225         return 0;
1226 }
1227
1228 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1229                                                         const char *url)
1230 {
1231         struct connman_ipdevice *ipdevice;
1232
1233         DBG("ipconfig %p", ipconfig);
1234
1235         if (ipconfig == NULL || ipconfig->index < 0)
1236                 return -ENODEV;
1237
1238         ipdevice = g_hash_table_lookup(ipdevice_hash,
1239                                         GINT_TO_POINTER(ipconfig->index));
1240         if (ipdevice == NULL)
1241                 return -ENXIO;
1242
1243         g_free(ipdevice->pac);
1244         ipdevice->pac = g_strdup(url);
1245
1246         return 0;
1247 }
1248
1249 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1250 {
1251         struct connman_ipdevice *ipdevice;
1252
1253         DBG("ipconfig %p", ipconfig);
1254
1255         if (ipconfig == NULL || ipconfig->index < 0)
1256                 return NULL;
1257
1258         ipdevice = g_hash_table_lookup(ipdevice_hash,
1259                                         GINT_TO_POINTER(ipconfig->index));
1260         if (ipdevice == NULL)
1261                 return NULL;
1262
1263         return ipdevice->pac;
1264 }
1265
1266 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1267 {
1268         struct connman_ipdevice *ipdevice;
1269         gboolean up = FALSE, down = FALSE;
1270         gboolean lower_up = FALSE, lower_down = FALSE;
1271
1272         DBG("ipconfig %p", ipconfig);
1273
1274         if (ipconfig == NULL || ipconfig->index < 0)
1275                 return -ENODEV;
1276
1277         ipdevice = g_hash_table_lookup(ipdevice_hash,
1278                                         GINT_TO_POINTER(ipconfig->index));
1279         if (ipdevice == NULL)
1280                 return -ENXIO;
1281
1282         if (ipdevice->config == ipconfig)
1283                 return -EALREADY;
1284
1285         if (ipdevice->config != NULL) {
1286                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1287
1288                 connman_ipaddress_clear(ipdevice->config->system);
1289
1290                 connman_ipconfig_unref(ipdevice->config);
1291         }
1292
1293         ipdevice->config = connman_ipconfig_ref(ipconfig);
1294
1295         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1296
1297         if (ipdevice->flags & IFF_UP)
1298                 up = TRUE;
1299         else
1300                 down = TRUE;
1301
1302         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1303                         (IFF_RUNNING | IFF_LOWER_UP))
1304                 lower_up = TRUE;
1305         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1306                 lower_down = TRUE;
1307
1308         if (up == TRUE && ipconfig->ops->up)
1309                 ipconfig->ops->up(ipconfig);
1310         if (lower_up == TRUE && ipconfig->ops->lower_up)
1311                 ipconfig->ops->lower_up(ipconfig);
1312
1313         if (lower_down == TRUE && ipconfig->ops->lower_down)
1314                 ipconfig->ops->lower_down(ipconfig);
1315         if (down == TRUE && ipconfig->ops->down)
1316                 ipconfig->ops->down(ipconfig);
1317
1318         return 0;
1319 }
1320
1321 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1322 {
1323         struct connman_ipdevice *ipdevice;
1324
1325         DBG("ipconfig %p", ipconfig);
1326
1327         if (ipconfig == NULL || ipconfig->index < 0)
1328                 return -ENODEV;
1329
1330         ipdevice = g_hash_table_lookup(ipdevice_hash,
1331                                         GINT_TO_POINTER(ipconfig->index));
1332         if (ipdevice == NULL)
1333                 return -ENXIO;
1334
1335         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1336                 return -EINVAL;
1337
1338         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1339
1340         connman_ipaddress_clear(ipdevice->config->system);
1341         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1342
1343         connman_ipconfig_unref(ipdevice->config);
1344         ipdevice->config = NULL;
1345
1346         return 0;
1347 }
1348
1349 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1350 {
1351         switch (method) {
1352         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1353                 break;
1354         case CONNMAN_IPCONFIG_METHOD_OFF:
1355                 return "off";
1356         case CONNMAN_IPCONFIG_METHOD_FIXED:
1357                 return "fixed";
1358         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1359                 return "manual";
1360         case CONNMAN_IPCONFIG_METHOD_DHCP:
1361                 return "dhcp";
1362         }
1363
1364         return NULL;
1365 }
1366
1367 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1368 {
1369         if (g_strcmp0(method, "off") == 0)
1370                 return CONNMAN_IPCONFIG_METHOD_OFF;
1371         else if (g_strcmp0(method, "fixed") == 0)
1372                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1373         else if (g_strcmp0(method, "manual") == 0)
1374                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1375         else if (g_strcmp0(method, "dhcp") == 0)
1376                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1377         else
1378                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1379 }
1380
1381 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1382                                                         DBusMessageIter *iter)
1383 {
1384         const char *str;
1385
1386         DBG("");
1387
1388         str = __connman_ipconfig_method2string(ipconfig->method);
1389         if (str == NULL)
1390                 return;
1391
1392         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1393
1394         if (ipconfig->system == NULL)
1395                 return;
1396
1397         if (ipconfig->system->local != NULL) {
1398                 in_addr_t addr;
1399                 struct in_addr netmask;
1400                 char *mask;
1401
1402                 connman_dbus_dict_append_basic(iter, "Address",
1403                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1404
1405                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1406                 netmask.s_addr = htonl(addr);
1407                 mask = inet_ntoa(netmask);
1408                 connman_dbus_dict_append_basic(iter, "Netmask",
1409                                                 DBUS_TYPE_STRING, &mask);
1410         }
1411
1412         if (ipconfig->system->gateway != NULL)
1413                 connman_dbus_dict_append_basic(iter, "Gateway",
1414                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1415 }
1416
1417 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1418                                                         DBusMessageIter *iter)
1419 {
1420         const char *str;
1421
1422         DBG("");
1423
1424         str = __connman_ipconfig_method2string(ipconfig->method);
1425         if (str == NULL)
1426                 return;
1427
1428         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1429
1430         if (ipconfig->system == NULL)
1431                 return;
1432
1433         if (ipconfig->system->local != NULL) {
1434                 connman_dbus_dict_append_basic(iter, "Address",
1435                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1436                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1437                                                 DBUS_TYPE_BYTE,
1438                                                 &ipconfig->system->prefixlen);
1439         }
1440
1441         if (ipconfig->system->gateway != NULL)
1442                 connman_dbus_dict_append_basic(iter, "Gateway",
1443                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1444 }
1445
1446 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1447                                                         DBusMessageIter *iter)
1448 {
1449         const char *str;
1450
1451         DBG("");
1452
1453         str = __connman_ipconfig_method2string(ipconfig->method);
1454         if (str == NULL)
1455                 return;
1456
1457         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1458
1459         switch (ipconfig->method) {
1460         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1461         case CONNMAN_IPCONFIG_METHOD_OFF:
1462         case CONNMAN_IPCONFIG_METHOD_DHCP:
1463                 return;
1464         case CONNMAN_IPCONFIG_METHOD_FIXED:
1465         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1466                 break;
1467         }
1468
1469         if (ipconfig->address == NULL)
1470                 return;
1471
1472         if (ipconfig->address->local != NULL) {
1473                 connman_dbus_dict_append_basic(iter, "Address",
1474                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1475                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1476                                                 DBUS_TYPE_BYTE,
1477                                                 &ipconfig->address->prefixlen);
1478         }
1479
1480         if (ipconfig->address->gateway != NULL)
1481                 connman_dbus_dict_append_basic(iter, "Gateway",
1482                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1483 }
1484
1485 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1486                                                         DBusMessageIter *iter)
1487 {
1488         const char *str;
1489
1490         DBG("");
1491
1492         str = __connman_ipconfig_method2string(ipconfig->method);
1493         if (str == NULL)
1494                 return;
1495
1496         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1497
1498         switch (ipconfig->method) {
1499         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1500         case CONNMAN_IPCONFIG_METHOD_OFF:
1501         case CONNMAN_IPCONFIG_METHOD_FIXED:
1502         case CONNMAN_IPCONFIG_METHOD_DHCP:
1503                 return;
1504         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1505                 break;
1506         }
1507
1508         if (ipconfig->address == NULL)
1509                 return;
1510
1511         if (ipconfig->address->local != NULL) {
1512                 in_addr_t addr;
1513                 struct in_addr netmask;
1514                 char *mask;
1515
1516                 connman_dbus_dict_append_basic(iter, "Address",
1517                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1518
1519                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1520                 netmask.s_addr = htonl(addr);
1521                 mask = inet_ntoa(netmask);
1522                 connman_dbus_dict_append_basic(iter, "Netmask",
1523                                                 DBUS_TYPE_STRING, &mask);
1524         }
1525
1526         if (ipconfig->address->gateway != NULL)
1527                 connman_dbus_dict_append_basic(iter, "Gateway",
1528                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1529 }
1530
1531 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1532                 enum connman_ipconfig_type type, DBusMessageIter *array)
1533 {
1534         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1535         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1536                         *prefix_length_string = NULL;
1537         int prefix_length = 0;
1538         DBusMessageIter dict;
1539
1540         DBG("ipconfig %p type %d", ipconfig, type);
1541
1542         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1543                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1544                 return -EINVAL;
1545
1546         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1547                 return -EINVAL;
1548
1549         dbus_message_iter_recurse(array, &dict);
1550
1551         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1552                 DBusMessageIter entry;
1553                 const char *key;
1554                 int type;
1555
1556                 dbus_message_iter_recurse(&dict, &entry);
1557
1558                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1559                         return -EINVAL;
1560
1561                 dbus_message_iter_get_basic(&entry, &key);
1562                 dbus_message_iter_next(&entry);
1563
1564                 type = dbus_message_iter_get_arg_type(&entry);
1565
1566                 if (g_str_equal(key, "Method") == TRUE) {
1567                         const char *str;
1568
1569                         if (type != DBUS_TYPE_STRING)
1570                                 return -EINVAL;
1571
1572                         dbus_message_iter_get_basic(&entry, &str);
1573                         method = __connman_ipconfig_string2method(str);
1574                 } else if (g_str_equal(key, "Address") == TRUE) {
1575                         if (type != DBUS_TYPE_STRING)
1576                                 return -EINVAL;
1577
1578                         dbus_message_iter_get_basic(&entry, &address);
1579                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1580                         if (type != DBUS_TYPE_STRING)
1581                                 return -EINVAL;
1582
1583                         dbus_message_iter_get_basic(&entry,
1584                                                         &prefix_length_string);
1585
1586                         prefix_length = atoi(prefix_length_string);
1587                         if (prefix_length < 0 || prefix_length > 128)
1588                                 return -EINVAL;
1589
1590                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1591                         if (type != DBUS_TYPE_STRING)
1592                                 return -EINVAL;
1593
1594                         dbus_message_iter_get_basic(&entry, &netmask);
1595                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1596                         if (type != DBUS_TYPE_STRING)
1597                                 return -EINVAL;
1598
1599                         dbus_message_iter_get_basic(&entry, &gateway);
1600                 }
1601                 dbus_message_iter_next(&dict);
1602         }
1603
1604         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1605                         method, address, netmask, gateway, prefix_length);
1606
1607         switch (method) {
1608         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1609         case CONNMAN_IPCONFIG_METHOD_OFF:
1610         case CONNMAN_IPCONFIG_METHOD_FIXED:
1611                 return -EINVAL;
1612
1613         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1614                 if (address == NULL)
1615                         return -EINVAL;
1616
1617                 ipconfig->method = method;
1618
1619                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1620                         connman_ipaddress_set_ipv4(ipconfig->address,
1621                                                 address, netmask, gateway);
1622                 else
1623                         return connman_ipaddress_set_ipv6(
1624                                         ipconfig->address, address,
1625                                                 gateway, prefix_length);
1626                 break;
1627
1628         case CONNMAN_IPCONFIG_METHOD_DHCP:
1629                 if (ipconfig->method == method)
1630                         return 0;
1631
1632                 ipconfig->method = method;
1633                 break;
1634         }
1635
1636         return 0;
1637 }
1638
1639 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1640                                                         DBusMessageIter *iter)
1641 {
1642         struct connman_ipdevice *ipdevice;
1643         const char *method = "auto";
1644
1645         connman_dbus_dict_append_basic(iter, "Method",
1646                                                 DBUS_TYPE_STRING, &method);
1647
1648         ipdevice = g_hash_table_lookup(ipdevice_hash,
1649                                         GINT_TO_POINTER(ipconfig->index));
1650         if (ipdevice == NULL)
1651                 return;
1652
1653         if (ipdevice->ifname != NULL)
1654                 connman_dbus_dict_append_basic(iter, "Interface",
1655                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1656
1657         if (ipdevice->address != NULL)
1658                 connman_dbus_dict_append_basic(iter, "Address",
1659                                         DBUS_TYPE_STRING, &ipdevice->address);
1660
1661         if (ipdevice->mtu > 0)
1662                 connman_dbus_dict_append_basic(iter, "MTU",
1663                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1664 }
1665
1666 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1667                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1668 {
1669         const char *method;
1670         char *key;
1671
1672         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1673
1674         key = g_strdup_printf("%smethod", prefix);
1675         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1676         if (method == NULL) {
1677                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1678                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1679                 else
1680                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1681         } else
1682                 ipconfig->method = __connman_ipconfig_string2method(method);
1683         g_free(key);
1684
1685         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1686         ipconfig->address->prefixlen = g_key_file_get_integer(
1687                                 keyfile, identifier, key, NULL);
1688         g_free(key);
1689
1690         key = g_strdup_printf("%slocal_address", prefix);
1691         ipconfig->address->local = g_key_file_get_string(
1692                         keyfile, identifier, key, NULL);
1693         g_free(key);
1694
1695         key = g_strdup_printf("%speer_address", prefix);
1696         ipconfig->address->peer = g_key_file_get_string(
1697                                 keyfile, identifier, key, NULL);
1698         g_free(key);
1699
1700         key = g_strdup_printf("%sbroadcast_address", prefix);
1701         ipconfig->address->broadcast = g_key_file_get_string(
1702                                 keyfile, identifier, key, NULL);
1703         g_free(key);
1704
1705         key = g_strdup_printf("%sgateway", prefix);
1706         ipconfig->address->gateway = g_key_file_get_string(
1707                                 keyfile, identifier, key, NULL);
1708         g_free(key);
1709
1710         return 0;
1711 }
1712
1713 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1714                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1715 {
1716         const char *method;
1717         char *key;
1718
1719         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1720
1721         method = __connman_ipconfig_method2string(ipconfig->method);
1722
1723         key = g_strdup_printf("%smethod", prefix);
1724         g_key_file_set_string(keyfile, identifier, key, method);
1725         g_free(key);
1726
1727         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1728         g_key_file_set_integer(keyfile, identifier,
1729                         key, ipconfig->address->prefixlen);
1730         g_free(key);
1731
1732         key = g_strdup_printf("%slocal_address", prefix);
1733         if (ipconfig->address->local != NULL)
1734                 g_key_file_set_string(keyfile, identifier,
1735                                 key, ipconfig->address->local);
1736         g_free(key);
1737
1738         key = g_strdup_printf("%speer_address", prefix);
1739         if (ipconfig->address->peer != NULL)
1740                 g_key_file_set_string(keyfile, identifier,
1741                                 key, ipconfig->address->peer);
1742         g_free(key);
1743
1744         key = g_strdup_printf("%sbroadcast_address", prefix);
1745         if (ipconfig->address->broadcast != NULL)
1746                 g_key_file_set_string(keyfile, identifier,
1747                         key, ipconfig->address->broadcast);
1748         g_free(key);
1749
1750         key = g_strdup_printf("%sgateway", prefix);
1751         if (ipconfig->address->gateway != NULL)
1752                 g_key_file_set_string(keyfile, identifier,
1753                         key, ipconfig->address->gateway);
1754         g_free(key);
1755
1756         return 0;
1757 }
1758
1759 int __connman_ipconfig_init(void)
1760 {
1761         DBG("");
1762
1763         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1764                                                         NULL, free_ipdevice);
1765
1766         return 0;
1767 }
1768
1769 void __connman_ipconfig_cleanup(void)
1770 {
1771         DBG("");
1772
1773         g_hash_table_destroy(ipdevice_hash);
1774         ipdevice_hash = NULL;
1775 }