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 *gateway;
  75
  76         struct connman_ipconfig *config;
  77
  78         struct connman_ipconfig_driver *driver;
  79         struct connman_ipconfig *driver_config;
  80 };
  81
  82 static GHashTable *ipdevice_hash = NULL;
  83 static GList *ipconfig_list = NULL;
  84
  85 struct connman_ipaddress *connman_ipaddress_alloc(void)
  86 {
  87         struct connman_ipaddress *ipaddress;
  88
  89         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  90         if (ipaddress == NULL)
  91                 return NULL;
  92
  93         ipaddress->prefixlen = 0;
  94         ipaddress->local = NULL;
  95         ipaddress->peer = NULL;
  96         ipaddress->broadcast = NULL;
  97         ipaddress->gateway = NULL;
  98
  99         return ipaddress;
 100 }
 101
 102 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 103 {
 104         if (ipaddress == NULL)
 105                 return;
 106
 107         g_free(ipaddress->broadcast);
 108         g_free(ipaddress->peer);
 109         g_free(ipaddress->local);
 110         g_free(ipaddress->gateway);
 111         g_free(ipaddress);
 112 }
 113
 114 static unsigned char netmask2prefixlen(const char *netmask)
 115 {
 116         unsigned char bits = 0;
 117         in_addr_t mask = inet_network(netmask);
 118         in_addr_t host = ~mask;
 119
 120         /* a valid netmask must be 2^n - 1 */
 121         if ((host & (host + 1)) != 0)
 122                 return -1;
 123
 124         for (; mask; mask <<= 1)
 125                 ++bits;
 126
 127         return bits;
 128 }
 129
 130 static gboolean check_ipv6_address(const char *address)
 131 {
 132         unsigned char buf[sizeof(struct in6_addr)];
 133         int err;
 134
 135         err = inet_pton(AF_INET6, address, buf);
 136         if (err > 0)
 137                 return TRUE;
 138
 139         return FALSE;
 140 }
 141
 142 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 143                                 const char *address, const char *gateway,
 144                                                 unsigned char prefix_length)
 145 {
 146         if (ipaddress == NULL)
 147                 return -EINVAL;
 148
 149         if (check_ipv6_address(address) == FALSE)
 150                 return -EINVAL;
 151
 152         if (check_ipv6_address(gateway) == FALSE)
 153                 return -EINVAL;
 154
 155         DBG("prefix_len %d address %s gateway %s",
 156                         prefix_length, address, gateway);
 157
 158         ipaddress->prefixlen = prefix_length;
 159
 160         g_free(ipaddress->local);
 161         ipaddress->local = g_strdup(address);
 162
 163         g_free(ipaddress->gateway);
 164         ipaddress->gateway = g_strdup(gateway);
 165
 166         return 0;
 167 }
 168
 169 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 170                 const char *address, const char *netmask, const char *gateway)
 171 {
 172         if (ipaddress == NULL)
 173                 return;
 174
 175         if (netmask != NULL)
 176                 ipaddress->prefixlen = netmask2prefixlen(netmask);
 177         else
 178                 ipaddress->prefixlen = 32;
 179
 180         g_free(ipaddress->local);
 181         ipaddress->local = g_strdup(address);
 182
 183         g_free(ipaddress->gateway);
 184         ipaddress->gateway = g_strdup(gateway);
 185 }
 186
 187 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 188 {
 189         if (ipaddress == NULL)
 190                 return;
 191
 192         ipaddress->prefixlen = 0;
 193
 194         g_free(ipaddress->local);
 195         ipaddress->local = NULL;
 196
 197         g_free(ipaddress->peer);
 198         ipaddress->peer = NULL;
 199
 200         g_free(ipaddress->broadcast);
 201         ipaddress->broadcast = NULL;
 202
 203         g_free(ipaddress->gateway);
 204         ipaddress->gateway = NULL;
 205 }
 206
 207 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 208                                         struct connman_ipaddress *source)
 209 {
 210         if (ipaddress == NULL || source == NULL)
 211                 return;
 212
 213         ipaddress->prefixlen = source->prefixlen;
 214
 215         g_free(ipaddress->local);
 216         ipaddress->local = g_strdup(source->local);
 217
 218         g_free(ipaddress->peer);
 219         ipaddress->peer = g_strdup(source->peer);
 220
 221         g_free(ipaddress->broadcast);
 222         ipaddress->broadcast = g_strdup(source->broadcast);
 223
 224         g_free(ipaddress->gateway);
 225         ipaddress->gateway = g_strdup(source->gateway);
 226 }
 227
 228 static void free_address_list(struct connman_ipdevice *ipdevice)
 229 {
 230         GSList *list;
 231
 232         for (list = ipdevice->address_list; list; list = list->next) {
 233                 struct connman_ipaddress *ipaddress = list->data;
 234
 235                 connman_ipaddress_free(ipaddress);
 236                 list->data = NULL;
 237         }
 238
 239         g_slist_free(ipdevice->address_list);
 240         ipdevice->address_list = NULL;
 241 }
 242
 243 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 244                                 unsigned char prefixlen, const char *local)
 245 {
 246         GSList *list;
 247
 248         for (list = ipdevice->address_list; list; list = list->next) {
 249                 struct connman_ipaddress *ipaddress = list->data;
 250
 251                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 252                                         ipaddress->prefixlen == prefixlen)
 253                         return ipaddress;
 254         }
 255
 256         return NULL;
 257 }
 258
 259 static const char *type2str(unsigned short type)
 260 {
 261         switch (type) {
 262         case ARPHRD_ETHER:
 263                 return "ETHER";
 264         case ARPHRD_LOOPBACK:
 265                 return "LOOPBACK";
 266         case ARPHRD_PPP:
 267                 return "PPP";
 268         case ARPHRD_NONE:
 269                 return "NONE";
 270         case ARPHRD_VOID:
 271                 return "VOID";
 272         }
 273
 274         return "";
 275 }
 276
 277 static const char *scope2str(unsigned char scope)
 278 {
 279         switch (scope) {
 280         case 0:
 281                 return "UNIVERSE";
 282         case 253:
 283                 return "LINK";
 284         }
 285
 286         return "";
 287 }
 288
 289 static void free_ipdevice(gpointer data)
 290 {
 291         struct connman_ipdevice *ipdevice = data;
 292
 293         connman_info("%s {remove} index %d", ipdevice->ifname,
 294                                                         ipdevice->index);
 295
 296         if (ipdevice->config != NULL)
 297                 connman_ipconfig_unref(ipdevice->config);
 298
 299         free_address_list(ipdevice);
 300         g_free(ipdevice->gateway);
 301
 302         g_free(ipdevice->address);
 303         g_free(ipdevice->ifname);
 304         g_free(ipdevice);
 305 }
 306
 307 static GSList *driver_list = NULL;
 308
 309 static gint compare_priority(gconstpointer a, gconstpointer b)
 310 {
 311         const struct connman_ipconfig_driver *driver1 = a;
 312         const struct connman_ipconfig_driver *driver2 = b;
 313
 314         return driver2->priority - driver1->priority;
 315 }
 316
 317 /**
 318  * connman_ipconfig_driver_register:
 319  * @driver: IP configuration driver
 320  *
 321  * Register a new IP configuration driver
 322  *
 323  * Returns: %0 on success
 324  */
 325 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 326 {
 327         DBG("driver %p name %s", driver, driver->name);
 328
 329         driver_list = g_slist_insert_sorted(driver_list, driver,
 330                                                         compare_priority);
 331
 332         return 0;
 333 }
 334
 335 /**
 336  * connman_ipconfig_driver_unregister:
 337  * @driver: IP configuration driver
 338  *
 339  * Remove a previously registered IP configuration driver.
 340  */
 341 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 342 {
 343         DBG("driver %p name %s", driver, driver->name);
 344
 345         driver_list = g_slist_remove(driver_list, driver);
 346 }
 347
 348 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 349 {
 350         GSList *list;
 351
 352         DBG("ipconfig %p", ipdevice->config);
 353
 354         if (ipdevice->config == NULL)
 355                 return;
 356
 357         switch (ipdevice->config->method) {
 358         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 359         case CONNMAN_IPCONFIG_METHOD_OFF:
 360         case CONNMAN_IPCONFIG_METHOD_FIXED:
 361         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 362                 return;
 363         case CONNMAN_IPCONFIG_METHOD_DHCP:
 364                 break;
 365         }
 366
 367         if (ipdevice->driver != NULL)
 368                 return;
 369
 370         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 371         if (ipdevice->driver_config == NULL)
 372                 return;
 373
 374         for (list = driver_list; list; list = list->next) {
 375                 struct connman_ipconfig_driver *driver = list->data;
 376
 377                 if (driver->request(ipdevice->driver_config) == 0) {
 378                         ipdevice->driver = driver;
 379                         break;
 380                 }
 381         }
 382
 383         if (ipdevice->driver == NULL) {
 384                 connman_ipconfig_unref(ipdevice->driver_config);
 385                 ipdevice->driver_config = NULL;
 386         }
 387 }
 388
 389 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 390 {
 391         DBG("ipconfig %p", ipdevice->config);
 392
 393         if (ipdevice->config == NULL)
 394                 return;
 395
 396         if (ipdevice->driver == NULL)
 397                 return;
 398
 399         ipdevice->driver->release(ipdevice->driver_config);
 400
 401         ipdevice->driver = NULL;
 402
 403         connman_ipconfig_unref(ipdevice->driver_config);
 404         ipdevice->driver_config = NULL;
 405
 406         connman_inet_clear_address(ipdevice->index);
 407         connman_inet_clear_ipv6_address(ipdevice->index,
 408                         ipdevice->driver_config->address->local,
 409                         ipdevice->driver_config->address->prefixlen);
 410 }
 411
 412 static void update_stats(struct connman_ipdevice *ipdevice,
 413                                                 struct rtnl_link_stats *stats)
 414 {
 415         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 416                 return;
 417
 418         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 419                                         stats->rx_packets, stats->rx_bytes);
 420         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 421                                         stats->tx_packets, stats->tx_bytes);
 422
 423         if (ipdevice->config == NULL)
 424                 return;
 425
 426         ipdevice->rx_packets = stats->rx_packets;
 427         ipdevice->tx_packets = stats->tx_packets;
 428         ipdevice->rx_bytes = stats->rx_bytes;
 429         ipdevice->tx_bytes = stats->tx_bytes;
 430         ipdevice->rx_errors = stats->rx_errors;
 431         ipdevice->tx_errors = stats->tx_errors;
 432         ipdevice->rx_dropped = stats->rx_dropped;
 433         ipdevice->tx_dropped = stats->tx_dropped;
 434
 435         __connman_counter_notify(ipdevice->config,
 436                                 ipdevice->rx_packets, ipdevice->tx_packets,
 437                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 438                                 ipdevice->rx_errors, ipdevice->tx_errors,
 439                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 440 }
 441
 442 void __connman_ipconfig_newlink(int index, unsigned short type,
 443                                 unsigned int flags, const char *address,
 444                                                         unsigned short mtu,
 445                                                 struct rtnl_link_stats *stats)
 446 {
 447         struct connman_ipdevice *ipdevice;
 448         GList *list;
 449         GString *str;
 450         gboolean up = FALSE, down = FALSE;
 451         gboolean lower_up = FALSE, lower_down = FALSE;
 452
 453         DBG("index %d", index);
 454
 455         if (type == ARPHRD_LOOPBACK)
 456                 return;
 457
 458         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 459         if (ipdevice != NULL)
 460                 goto update;
 461
 462         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 463         if (ipdevice == NULL)
 464                 return;
 465
 466         ipdevice->index = index;
 467         ipdevice->ifname = connman_inet_ifname(index);
 468         ipdevice->type = type;
 469
 470         ipdevice->address = g_strdup(address);
 471
 472         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 473
 474         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 475                                                 index, type, type2str(type));
 476
 477 update:
 478         ipdevice->mtu = mtu;
 479
 480         update_stats(ipdevice, stats);
 481
 482         if (flags == ipdevice->flags)
 483                 return;
 484
 485         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 486                 if (flags & IFF_UP)
 487                         up = TRUE;
 488                 else
 489                         down = TRUE;
 490         }
 491
 492         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 493                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 494                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 495                                         (IFF_RUNNING | IFF_LOWER_UP))
 496                         lower_up = TRUE;
 497                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 498                         lower_down = TRUE;
 499         }
 500
 501         ipdevice->flags = flags;
 502
 503         str = g_string_new(NULL);
 504         if (str == NULL)
 505                 return;
 506
 507         if (flags & IFF_UP)
 508                 g_string_append(str, "UP");
 509         else
 510                 g_string_append(str, "DOWN");
 511
 512         if (flags & IFF_RUNNING)
 513                 g_string_append(str, ",RUNNING");
 514
 515         if (flags & IFF_LOWER_UP)
 516                 g_string_append(str, ",LOWER_UP");
 517
 518         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 519                                                         flags, str->str);
 520
 521         g_string_free(str, TRUE);
 522
 523         for (list = g_list_first(ipconfig_list); list;
 524                                                 list = g_list_next(list)) {
 525                 struct connman_ipconfig *ipconfig = list->data;
 526
 527                 if (index != ipconfig->index)
 528                         continue;
 529
 530                 if (ipconfig->ops == NULL)
 531                         continue;
 532
 533                 if (up == TRUE && ipconfig->ops->up)
 534                         ipconfig->ops->up(ipconfig);
 535                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 536                         ipconfig->ops->lower_up(ipconfig);
 537
 538                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 539                         ipconfig->ops->lower_down(ipconfig);
 540                 if (down == TRUE && ipconfig->ops->down)
 541                         ipconfig->ops->down(ipconfig);
 542         }
 543
 544         if (lower_up)
 545                 __connman_ipconfig_lower_up(ipdevice);
 546         if (lower_down)
 547                 __connman_ipconfig_lower_down(ipdevice);
 548 }
 549
 550 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 551 {
 552         struct connman_ipdevice *ipdevice;
 553         GList *list;
 554
 555         DBG("index %d", index);
 556
 557         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 558         if (ipdevice == NULL)
 559                 return;
 560
 561         update_stats(ipdevice, stats);
 562
 563         for (list = g_list_first(ipconfig_list); list;
 564                                                 list = g_list_next(list)) {
 565                 struct connman_ipconfig *ipconfig = list->data;
 566
 567                 if (index != ipconfig->index)
 568                         continue;
 569
 570                 ipconfig->index = -1;
 571
 572                 if (ipconfig->ops == NULL)
 573                         continue;
 574
 575                 if (ipconfig->ops->lower_down)
 576                         ipconfig->ops->lower_down(ipconfig);
 577                 if (ipconfig->ops->down)
 578                         ipconfig->ops->down(ipconfig);
 579         }
 580
 581         __connman_ipconfig_lower_down(ipdevice);
 582
 583         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 584 }
 585
 586 void __connman_ipconfig_newaddr(int index, const char *label,
 587                                 unsigned char prefixlen, const char *address)
 588 {
 589         struct connman_ipdevice *ipdevice;
 590         struct connman_ipaddress *ipaddress;
 591         GList *list;
 592
 593         DBG("index %d", index);
 594
 595         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 596         if (ipdevice == NULL)
 597                 return;
 598
 599         ipaddress = connman_ipaddress_alloc();
 600         if (ipaddress == NULL)
 601                 return;
 602
 603         ipaddress->prefixlen = prefixlen;
 604         ipaddress->local = g_strdup(address);
 605
 606         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 607                                                                 ipaddress);
 608
 609         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 610                                                 address, prefixlen, label);
 611
 612         if (ipdevice->config != NULL)
 613                 connman_ipaddress_copy(ipdevice->config->system, ipaddress);
 614
 615         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 616                 return;
 617
 618         if (g_slist_length(ipdevice->address_list) > 1)
 619                 return;
 620
 621         for (list = g_list_first(ipconfig_list); list;
 622                                                 list = g_list_next(list)) {
 623                 struct connman_ipconfig *ipconfig = list->data;
 624
 625                 if (index != ipconfig->index)
 626                         continue;
 627
 628                 if (ipconfig->ops == NULL)
 629                         continue;
 630
 631                 if (ipconfig->ops->ip_bound)
 632                         ipconfig->ops->ip_bound(ipconfig);
 633         }
 634 }
 635
 636 void __connman_ipconfig_deladdr(int index, const char *label,
 637                                 unsigned char prefixlen, const char *address)
 638 {
 639         struct connman_ipdevice *ipdevice;
 640         struct connman_ipaddress *ipaddress;
 641         GList *list;
 642
 643         DBG("index %d", index);
 644
 645         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 646         if (ipdevice == NULL)
 647                 return;
 648
 649         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 650         if (ipaddress == NULL)
 651                 return;
 652
 653         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 654                                                                 ipaddress);
 655
 656         connman_ipaddress_free(ipaddress);
 657
 658         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 659                                                 address, prefixlen, label);
 660
 661         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 662                 return;
 663
 664         if (g_slist_length(ipdevice->address_list) > 0)
 665                 return;
 666
 667         for (list = g_list_first(ipconfig_list); list;
 668                                                 list = g_list_next(list)) {
 669                 struct connman_ipconfig *ipconfig = list->data;
 670
 671                 if (index != ipconfig->index)
 672                         continue;
 673
 674                 if (ipconfig->ops == NULL)
 675                         continue;
 676
 677                 if (ipconfig->ops->ip_release)
 678                         ipconfig->ops->ip_release(ipconfig);
 679         }
 680 }
 681
 682 void __connman_ipconfig_newroute(int index, unsigned char scope,
 683                                         const char *dst, const char *gateway)
 684 {
 685         struct connman_ipdevice *ipdevice;
 686
 687         DBG("index %d", index);
 688
 689         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 690         if (ipdevice == NULL)
 691                 return;
 692
 693         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 694                 GSList *list;
 695
 696                 g_free(ipdevice->gateway);
 697                 ipdevice->gateway = g_strdup(gateway);
 698
 699                 if (ipdevice->config != NULL &&
 700                                         ipdevice->config->system != NULL) {
 701                         g_free(ipdevice->config->system->gateway);
 702                         ipdevice->config->system->gateway = g_strdup(gateway);
 703                 }
 704
 705                 for (list = ipdevice->address_list; list; list = list->next) {
 706                         struct connman_ipaddress *ipaddress = list->data;
 707
 708                         g_free(ipaddress->gateway);
 709                         ipaddress->gateway = g_strdup(gateway);
 710                 }
 711         }
 712
 713         connman_info("%s {add} route %s gw %s scope %u <%s>",
 714                                         ipdevice->ifname, dst, gateway,
 715                                                 scope, scope2str(scope));
 716 }
 717
 718 void __connman_ipconfig_delroute(int index, unsigned char scope,
 719                                         const char *dst, const char *gateway)
 720 {
 721         struct connman_ipdevice *ipdevice;
 722
 723         DBG("index %d", index);
 724
 725         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 726         if (ipdevice == NULL)
 727                 return;
 728
 729         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 730                 GSList *list;
 731
 732                 g_free(ipdevice->gateway);
 733                 ipdevice->gateway = NULL;
 734
 735                 if (ipdevice->config != NULL &&
 736                                         ipdevice->config->system != NULL) {
 737                         g_free(ipdevice->config->system->gateway);
 738                         ipdevice->config->system->gateway = NULL;
 739                 }
 740
 741                 for (list = ipdevice->address_list; list; list = list->next) {
 742                         struct connman_ipaddress *ipaddress = list->data;
 743
 744                         g_free(ipaddress->gateway);
 745                         ipaddress->gateway = NULL;
 746                 }
 747         }
 748
 749         connman_info("%s {del} route %s gw %s scope %u <%s>",
 750                                         ipdevice->ifname, dst, gateway,
 751                                                 scope, scope2str(scope));
 752 }
 753
 754 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 755                                                         void *user_data)
 756 {
 757         GList *list, *keys;
 758
 759         keys = g_hash_table_get_keys(ipdevice_hash);
 760         if (keys == NULL)
 761                 return;
 762
 763         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 764                 int index = GPOINTER_TO_INT(list->data);
 765
 766                 function(index, user_data);
 767         }
 768
 769         g_list_free(keys);
 770 }
 771
 772 unsigned short __connman_ipconfig_get_type(int index)
 773 {
 774         struct connman_ipdevice *ipdevice;
 775
 776         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 777         if (ipdevice == NULL)
 778                 return ARPHRD_VOID;
 779
 780         return ipdevice->type;
 781 }
 782
 783 unsigned int __connman_ipconfig_get_flags(int index)
 784 {
 785         struct connman_ipdevice *ipdevice;
 786
 787         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 788         if (ipdevice == NULL)
 789                 return 0;
 790
 791         return ipdevice->flags;
 792 }
 793
 794 const char *__connman_ipconfig_get_gateway(int index)
 795 {
 796         struct connman_ipdevice *ipdevice;
 797
 798         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 799         if (ipdevice == NULL)
 800                 return NULL;
 801
 802         if (ipdevice->gateway != NULL)
 803                 return ipdevice->gateway;
 804
 805         if (ipdevice->config != NULL &&
 806                         ipdevice->config->address != NULL)
 807                 return ipdevice->config->address->gateway;
 808
 809         return NULL;
 810 }
 811
 812 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 813 {
 814         ipconfig->index = index;
 815
 816         if (ipconfig->ipv6 != NULL)
 817                 ipconfig->ipv6->index = index;
 818 }
 819
 820 static struct connman_ipconfig *create_ipv6config(int index)
 821 {
 822         struct connman_ipconfig *ipv6config;
 823
 824         DBG("index %d", index);
 825
 826         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 827         if (ipv6config == NULL)
 828                 return NULL;
 829
 830         ipv6config->index = index;
 831         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 832
 833         ipv6config->address = connman_ipaddress_alloc();
 834         if (ipv6config->address == NULL) {
 835                 g_free(ipv6config);
 836                 return NULL;
 837         }
 838
 839         ipv6config->system = connman_ipaddress_alloc();
 840
 841         ipv6config->ipv6 = NULL;
 842
 843         DBG("ipconfig %p", ipv6config);
 844
 845         return ipv6config;
 846 }
 847
 848 /**
 849  * connman_ipconfig_create:
 850  *
 851  * Allocate a new ipconfig structure.
 852  *
 853  * Returns: a newly-allocated #connman_ipconfig structure
 854  */
 855 struct connman_ipconfig *connman_ipconfig_create(int index)
 856 {
 857         struct connman_ipconfig *ipconfig;
 858
 859         DBG("index %d", index);
 860
 861         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 862         if (ipconfig == NULL)
 863                 return NULL;
 864
 865         ipconfig->refcount = 1;
 866
 867         ipconfig->index = index;
 868         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 869
 870         ipconfig->address = connman_ipaddress_alloc();
 871         if (ipconfig->address == NULL) {
 872                 g_free(ipconfig);
 873                 return NULL;
 874         }
 875
 876         ipconfig->system = connman_ipaddress_alloc();
 877
 878         ipconfig->ipv6 = create_ipv6config(index);
 879
 880         DBG("ipconfig %p", ipconfig);
 881
 882         return ipconfig;
 883 }
 884
 885 /**
 886  * connman_ipconfig_clone:
 887  *
 888  * Clone an ipconfig structure and create new reference.
 889  *
 890  * Returns: a newly-allocated #connman_ipconfig structure
 891  */
 892 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 893 {
 894         struct connman_ipconfig *ipconfig_clone;
 895
 896         DBG("ipconfig %p", ipconfig);
 897
 898         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 899         if (ipconfig_clone == NULL)
 900                 return NULL;
 901
 902         ipconfig_clone->refcount = 1;
 903
 904         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 905
 906         ipconfig_clone->index = -1;
 907
 908         return ipconfig_clone;
 909 }
 910
 911 /**
 912  * connman_ipconfig_ref:
 913  * @ipconfig: ipconfig structure
 914  *
 915  * Increase reference counter of ipconfig
 916  */
 917 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 918 {
 919         g_atomic_int_inc(&ipconfig->refcount);
 920
 921         return ipconfig;
 922 }
 923
 924 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
 925 {
 926         if (ipconfig == NULL)
 927                 return;
 928
 929         connman_ipconfig_set_ops(ipconfig, NULL);
 930         connman_ipaddress_free(ipconfig->system);
 931         connman_ipaddress_free(ipconfig->address);
 932         g_free(ipconfig->ipv6);
 933 }
 934
 935 /**
 936  * connman_ipconfig_unref:
 937  * @ipconfig: ipconfig structure
 938  *
 939  * Decrease reference counter of ipconfig
 940  */
 941 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 942 {
 943         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 944                 __connman_ipconfig_disable(ipconfig);
 945
 946                 connman_ipconfig_set_ops(ipconfig, NULL);
 947
 948                 if (ipconfig->origin != NULL) {
 949                         connman_ipconfig_unref(ipconfig->origin);
 950                         ipconfig->origin = NULL;
 951                 }
 952
 953                 connman_ipaddress_free(ipconfig->system);
 954                 connman_ipaddress_free(ipconfig->address);
 955                 free_ipv6config(ipconfig->ipv6);
 956                 g_free(ipconfig);
 957         }
 958 }
 959
 960 /**
 961  * connman_ipconfig_get_data:
 962  * @ipconfig: ipconfig structure
 963  *
 964  * Get private data pointer
 965  */
 966 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 967 {
 968         return ipconfig->ops_data;
 969 }
 970
 971 /**
 972  * connman_ipconfig_set_data:
 973  * @ipconfig: ipconfig structure
 974  * @data: data pointer
 975  *
 976  * Set private data pointer
 977  */
 978 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
 979 {
 980         ipconfig->ops_data = data;
 981 }
 982
 983 /**
 984  * connman_ipconfig_get_index:
 985  * @ipconfig: ipconfig structure
 986  *
 987  * Get interface index
 988  */
 989 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 990 {
 991         if (ipconfig == NULL)
 992                 return -1;
 993
 994         if (ipconfig->origin != NULL)
 995                 return ipconfig->origin->index;
 996
 997         return ipconfig->index;
 998 }
 999
1000 /**
1001  * connman_ipconfig_get_ifname:
1002  * @ipconfig: ipconfig structure
1003  *
1004  * Get interface name
1005  */
1006 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1007 {
1008         struct connman_ipdevice *ipdevice;
1009
1010         if (ipconfig == NULL)
1011                 return NULL;
1012
1013         if (ipconfig->index < 0)
1014                 return NULL;
1015
1016         ipdevice = g_hash_table_lookup(ipdevice_hash,
1017                                         GINT_TO_POINTER(ipconfig->index));
1018         if (ipdevice == NULL)
1019                 return NULL;
1020
1021         return ipdevice->ifname;
1022 }
1023
1024 /**
1025  * connman_ipconfig_set_ops:
1026  * @ipconfig: ipconfig structure
1027  * @ops: operation callbacks
1028  *
1029  * Set the operation callbacks
1030  */
1031 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1032                                 const struct connman_ipconfig_ops *ops)
1033 {
1034         ipconfig->ops = ops;
1035 }
1036
1037 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1038                                 struct connman_ipconfig *ipconfig)
1039 {
1040         if (ipconfig == NULL)
1041                 return NULL;
1042
1043         return ipconfig->ipv6;
1044 }
1045
1046 /**
1047  * connman_ipconfig_set_method:
1048  * @ipconfig: ipconfig structure
1049  * @method: configuration method
1050  *
1051  * Set the configuration method
1052  */
1053 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1054                                         enum connman_ipconfig_method method)
1055 {
1056         ipconfig->method = method;
1057
1058         return 0;
1059 }
1060
1061 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1062 {
1063         if (ipconfig == NULL)
1064                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1065
1066         return ipconfig->method;
1067 }
1068
1069 /**
1070  * connman_ipconfig_bind:
1071  * @ipconfig: ipconfig structure
1072  * @ipaddress: ipaddress structure
1073  *
1074  * Bind IP address details to configuration
1075  */
1076 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1077                                         struct connman_ipaddress *ipaddress)
1078 {
1079         struct connman_ipconfig *origin;
1080
1081         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1082
1083         connman_ipaddress_copy(origin->address, ipaddress);
1084
1085         connman_inet_set_address(origin->index, origin->address);
1086 }
1087
1088 void __connman_ipconfig_set_element_ipv6_gateway(
1089                         struct connman_ipconfig *ipconfig,
1090                                 struct connman_element *element)
1091 {
1092         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1093 }
1094
1095 /*
1096  * FIXME: The element soulution should be removed in the future
1097  * Set IPv4 and IPv6 gateway
1098  */
1099 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1100                                                 struct connman_element *parent)
1101 {
1102         struct connman_element *connection;
1103
1104         connection = connman_element_create(NULL);
1105
1106         DBG("ipconfig %p", ipconfig);
1107
1108         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1109         connection->index = ipconfig->index;
1110         connection->ipv4.gateway = ipconfig->address->gateway;
1111         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1112
1113         if (connman_element_register(connection, parent) < 0)
1114                 connman_element_unref(connection);
1115
1116         return 0;
1117 }
1118
1119 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1120 {
1121         DBG("");
1122
1123         switch (ipconfig->method) {
1124         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1125         case CONNMAN_IPCONFIG_METHOD_OFF:
1126         case CONNMAN_IPCONFIG_METHOD_FIXED:
1127         case CONNMAN_IPCONFIG_METHOD_DHCP:
1128                 break;
1129         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1130                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1131                         return connman_inet_set_address(ipconfig->index,
1132                                                         ipconfig->address);
1133                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1134                         return connman_inet_set_ipv6_address(
1135                                         ipconfig->index, ipconfig->address);
1136         }
1137
1138         return 0;
1139 }
1140
1141 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1142 {
1143         DBG("");
1144
1145         if (ipconfig == NULL)
1146                 return 0;
1147
1148         DBG("method %d", ipconfig->method);
1149
1150         switch (ipconfig->method) {
1151         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1152         case CONNMAN_IPCONFIG_METHOD_OFF:
1153         case CONNMAN_IPCONFIG_METHOD_FIXED:
1154         case CONNMAN_IPCONFIG_METHOD_DHCP:
1155                 break;
1156         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1157                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1158                         return connman_inet_clear_address(ipconfig->index);
1159                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1160                         return connman_inet_clear_ipv6_address(
1161                                                 ipconfig->index,
1162                                                 ipconfig->address->local,
1163                                                 ipconfig->address->prefixlen);
1164         }
1165
1166         return 0;
1167 }
1168
1169 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1170 {
1171         struct connman_ipdevice *ipdevice;
1172         gboolean up = FALSE, down = FALSE;
1173         gboolean lower_up = FALSE, lower_down = FALSE;
1174
1175         DBG("ipconfig %p", ipconfig);
1176
1177         if (ipconfig == NULL || ipconfig->index < 0)
1178                 return -ENODEV;
1179
1180         ipdevice = g_hash_table_lookup(ipdevice_hash,
1181                                         GINT_TO_POINTER(ipconfig->index));
1182         if (ipdevice == NULL)
1183                 return -ENXIO;
1184
1185         if (ipdevice->config == ipconfig)
1186                 return -EALREADY;
1187
1188         if (ipdevice->config != NULL) {
1189                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1190
1191                 connman_ipaddress_clear(ipdevice->config->system);
1192
1193                 connman_ipconfig_unref(ipdevice->config);
1194         }
1195
1196         ipdevice->config = connman_ipconfig_ref(ipconfig);
1197
1198         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1199
1200         if (ipdevice->flags & IFF_UP)
1201                 up = TRUE;
1202         else
1203                 down = TRUE;
1204
1205         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1206                         (IFF_RUNNING | IFF_LOWER_UP))
1207                 lower_up = TRUE;
1208         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1209                 lower_down = TRUE;
1210
1211         if (up == TRUE && ipconfig->ops->up)
1212                 ipconfig->ops->up(ipconfig);
1213         if (lower_up == TRUE && ipconfig->ops->lower_up)
1214                 ipconfig->ops->lower_up(ipconfig);
1215
1216         if (lower_down == TRUE && ipconfig->ops->lower_down)
1217                 ipconfig->ops->lower_down(ipconfig);
1218         if (down == TRUE && ipconfig->ops->down)
1219                 ipconfig->ops->down(ipconfig);
1220
1221         return 0;
1222 }
1223
1224 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1225 {
1226         struct connman_ipdevice *ipdevice;
1227
1228         DBG("ipconfig %p", ipconfig);
1229
1230         if (ipconfig == NULL || ipconfig->index < 0)
1231                 return -ENODEV;
1232
1233         ipdevice = g_hash_table_lookup(ipdevice_hash,
1234                                         GINT_TO_POINTER(ipconfig->index));
1235         if (ipdevice == NULL)
1236                 return -ENXIO;
1237
1238         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1239                 return -EINVAL;
1240
1241         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1242
1243         connman_ipaddress_clear(ipdevice->config->system);
1244         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1245
1246         connman_ipconfig_unref(ipdevice->config);
1247         ipdevice->config = NULL;
1248
1249         return 0;
1250 }
1251
1252 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1253 {
1254         switch (method) {
1255         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1256                 break;
1257         case CONNMAN_IPCONFIG_METHOD_OFF:
1258                 return "off";
1259         case CONNMAN_IPCONFIG_METHOD_FIXED:
1260                 return "fixed";
1261         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1262                 return "manual";
1263         case CONNMAN_IPCONFIG_METHOD_DHCP:
1264                 return "dhcp";
1265         }
1266
1267         return NULL;
1268 }
1269
1270 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1271 {
1272         if (g_strcmp0(method, "off") == 0)
1273                 return CONNMAN_IPCONFIG_METHOD_OFF;
1274         else if (g_strcmp0(method, "fixed") == 0)
1275                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1276         else if (g_strcmp0(method, "manual") == 0)
1277                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1278         else if (g_strcmp0(method, "dhcp") == 0)
1279                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1280         else
1281                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1282 }
1283
1284 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1285                                                         DBusMessageIter *iter)
1286 {
1287         const char *str;
1288
1289         DBG("");
1290
1291         str = __connman_ipconfig_method2string(ipconfig->method);
1292         if (str == NULL)
1293                 return;
1294
1295         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1296
1297         if (ipconfig->system == NULL)
1298                 return;
1299
1300         if (ipconfig->system->local != NULL) {
1301                 in_addr_t addr;
1302                 struct in_addr netmask;
1303                 char *mask;
1304
1305                 connman_dbus_dict_append_basic(iter, "Address",
1306                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1307
1308                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1309                 netmask.s_addr = htonl(addr);
1310                 mask = inet_ntoa(netmask);
1311                 connman_dbus_dict_append_basic(iter, "Netmask",
1312                                                 DBUS_TYPE_STRING, &mask);
1313         }
1314
1315         if (ipconfig->system->gateway != NULL)
1316                 connman_dbus_dict_append_basic(iter, "Gateway",
1317                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1318 }
1319
1320 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1321                                                         DBusMessageIter *iter)
1322 {
1323         const char *str;
1324
1325         DBG("");
1326
1327         str = __connman_ipconfig_method2string(ipconfig->method);
1328         if (str == NULL)
1329                 return;
1330
1331         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1332
1333         if (ipconfig->system == NULL)
1334                 return;
1335
1336         if (ipconfig->system->local != NULL) {
1337                 connman_dbus_dict_append_basic(iter, "Address",
1338                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1339                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1340                                                 DBUS_TYPE_BYTE,
1341                                                 &ipconfig->system->prefixlen);
1342         }
1343
1344         if (ipconfig->system->gateway != NULL)
1345                 connman_dbus_dict_append_basic(iter, "Gateway",
1346                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1347 }
1348
1349 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1350                                                         DBusMessageIter *iter)
1351 {
1352         const char *str;
1353
1354         DBG("");
1355
1356         str = __connman_ipconfig_method2string(ipconfig->method);
1357         if (str == NULL)
1358                 return;
1359
1360         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1361
1362         switch (ipconfig->method) {
1363         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1364         case CONNMAN_IPCONFIG_METHOD_OFF:
1365         case CONNMAN_IPCONFIG_METHOD_DHCP:
1366                 return;
1367         case CONNMAN_IPCONFIG_METHOD_FIXED:
1368         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1369                 break;
1370         }
1371
1372         if (ipconfig->address == NULL)
1373                 return;
1374
1375         if (ipconfig->address->local != NULL) {
1376                 connman_dbus_dict_append_basic(iter, "Address",
1377                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1378                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1379                                                 DBUS_TYPE_BYTE,
1380                                                 &ipconfig->address->prefixlen);
1381         }
1382
1383         if (ipconfig->address->gateway != NULL)
1384                 connman_dbus_dict_append_basic(iter, "Gateway",
1385                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1386 }
1387
1388 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1389                                                         DBusMessageIter *iter)
1390 {
1391         const char *str;
1392
1393         DBG("");
1394
1395         str = __connman_ipconfig_method2string(ipconfig->method);
1396         if (str == NULL)
1397                 return;
1398
1399         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1400
1401         switch (ipconfig->method) {
1402         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1403         case CONNMAN_IPCONFIG_METHOD_OFF:
1404         case CONNMAN_IPCONFIG_METHOD_FIXED:
1405         case CONNMAN_IPCONFIG_METHOD_DHCP:
1406                 return;
1407         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1408                 break;
1409         }
1410
1411         if (ipconfig->address == NULL)
1412                 return;
1413
1414         if (ipconfig->address->local != NULL) {
1415                 in_addr_t addr;
1416                 struct in_addr netmask;
1417                 char *mask;
1418
1419                 connman_dbus_dict_append_basic(iter, "Address",
1420                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1421
1422                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1423                 netmask.s_addr = htonl(addr);
1424                 mask = inet_ntoa(netmask);
1425                 connman_dbus_dict_append_basic(iter, "Netmask",
1426                                                 DBUS_TYPE_STRING, &mask);
1427         }
1428
1429         if (ipconfig->address->gateway != NULL)
1430                 connman_dbus_dict_append_basic(iter, "Gateway",
1431                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1432 }
1433
1434 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1435                 enum connman_ipconfig_type type, DBusMessageIter *array)
1436 {
1437         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1438         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1439                         *prefix_length_string = NULL;
1440         int prefix_length = 0;
1441         DBusMessageIter dict;
1442
1443         DBG("ipconfig %p type %d", ipconfig, type);
1444
1445         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1446                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1447                 return -EINVAL;
1448
1449         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1450                 return -EINVAL;
1451
1452         dbus_message_iter_recurse(array, &dict);
1453
1454         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1455                 DBusMessageIter entry;
1456                 const char *key;
1457                 int type;
1458
1459                 dbus_message_iter_recurse(&dict, &entry);
1460
1461                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1462                         return -EINVAL;
1463
1464                 dbus_message_iter_get_basic(&entry, &key);
1465                 dbus_message_iter_next(&entry);
1466
1467                 type = dbus_message_iter_get_arg_type(&entry);
1468
1469                 if (g_str_equal(key, "Method") == TRUE) {
1470                         const char *str;
1471
1472                         if (type != DBUS_TYPE_STRING)
1473                                 return -EINVAL;
1474
1475                         dbus_message_iter_get_basic(&entry, &str);
1476                         method = __connman_ipconfig_string2method(str);
1477                 } else if (g_str_equal(key, "Address") == TRUE) {
1478                         if (type != DBUS_TYPE_STRING)
1479                                 return -EINVAL;
1480
1481                         dbus_message_iter_get_basic(&entry, &address);
1482                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1483                         if (type != DBUS_TYPE_STRING)
1484                                 return -EINVAL;
1485
1486                         dbus_message_iter_get_basic(&entry,
1487                                                         &prefix_length_string);
1488
1489                         prefix_length = atoi(prefix_length_string);
1490                         if (prefix_length < 0 || prefix_length > 128)
1491                                 return -EINVAL;
1492
1493                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1494                         if (type != DBUS_TYPE_STRING)
1495                                 return -EINVAL;
1496
1497                         dbus_message_iter_get_basic(&entry, &netmask);
1498                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1499                         if (type != DBUS_TYPE_STRING)
1500                                 return -EINVAL;
1501
1502                         dbus_message_iter_get_basic(&entry, &gateway);
1503                 }
1504                 dbus_message_iter_next(&dict);
1505         }
1506
1507         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1508                         method, address, netmask, gateway, prefix_length);
1509
1510         switch (method) {
1511         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1512         case CONNMAN_IPCONFIG_METHOD_OFF:
1513         case CONNMAN_IPCONFIG_METHOD_FIXED:
1514                 return -EINVAL;
1515
1516         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1517                 if (address == NULL)
1518                         return -EINVAL;
1519
1520                 ipconfig->method = method;
1521
1522                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1523                         connman_ipaddress_set_ipv4(ipconfig->address,
1524                                                 address, netmask, gateway);
1525                 else
1526                         return connman_ipaddress_set_ipv6(
1527                                         ipconfig->address, address,
1528                                                 gateway, prefix_length);
1529                 break;
1530
1531         case CONNMAN_IPCONFIG_METHOD_DHCP:
1532                 if (ipconfig->method == method)
1533                         return 0;
1534
1535                 ipconfig->method = method;
1536                 break;
1537         }
1538
1539         return 0;
1540 }
1541
1542 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1543                                                         DBusMessageIter *iter)
1544 {
1545         const char *method = "direct";
1546
1547         connman_dbus_dict_append_basic(iter, "Method",
1548                                                 DBUS_TYPE_STRING, &method);
1549 }
1550
1551 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1552                                                         DBusMessageIter *iter)
1553 {
1554         struct connman_ipdevice *ipdevice;
1555         const char *method = "auto";
1556
1557         connman_dbus_dict_append_basic(iter, "Method",
1558                                                 DBUS_TYPE_STRING, &method);
1559
1560         ipdevice = g_hash_table_lookup(ipdevice_hash,
1561                                         GINT_TO_POINTER(ipconfig->index));
1562         if (ipdevice == NULL)
1563                 return;
1564
1565         if (ipdevice->ifname != NULL)
1566                 connman_dbus_dict_append_basic(iter, "Interface",
1567                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1568
1569         if (ipdevice->address != NULL)
1570                 connman_dbus_dict_append_basic(iter, "Address",
1571                                         DBUS_TYPE_STRING, &ipdevice->address);
1572
1573         if (ipdevice->mtu > 0)
1574                 connman_dbus_dict_append_basic(iter, "MTU",
1575                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1576 }
1577
1578 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1579                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1580 {
1581         const char *method;
1582         char *key;
1583
1584         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1585
1586         key = g_strdup_printf("%smethod", prefix);
1587         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1588         if (method == NULL)
1589                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1590         else
1591                 ipconfig->method = __connman_ipconfig_string2method(method);
1592         g_free(key);
1593
1594         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1595         ipconfig->address->prefixlen = g_key_file_get_integer(
1596                                 keyfile, identifier, key, NULL);
1597         g_free(key);
1598
1599         key = g_strdup_printf("%slocal_address", prefix);
1600         ipconfig->address->local = g_key_file_get_string(
1601                         keyfile, identifier, key, NULL);
1602         g_free(key);
1603
1604         key = g_strdup_printf("%speer_address", prefix);
1605         ipconfig->address->peer = g_key_file_get_string(
1606                                 keyfile, identifier, key, NULL);
1607         g_free(key);
1608
1609         key = g_strdup_printf("%sbroadcast_address", prefix);
1610         ipconfig->address->broadcast = g_key_file_get_string(
1611                                 keyfile, identifier, key, NULL);
1612         g_free(key);
1613
1614         key = g_strdup_printf("%sgateway", prefix);
1615         ipconfig->address->gateway = g_key_file_get_string(
1616                                 keyfile, identifier, key, NULL);
1617         g_free(key);
1618
1619         return 0;
1620 }
1621
1622 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1623                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1624 {
1625         const char *method;
1626         char *key;
1627
1628         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1629
1630         method = __connman_ipconfig_method2string(ipconfig->method);
1631
1632         key = g_strdup_printf("%smethod", prefix);
1633         g_key_file_set_string(keyfile, identifier, key, method);
1634         g_free(key);
1635
1636         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1637         g_key_file_set_integer(keyfile, identifier,
1638                         key, ipconfig->address->prefixlen);
1639         g_free(key);
1640
1641         key = g_strdup_printf("%slocal_address", prefix);
1642         if (ipconfig->address->local != NULL)
1643                 g_key_file_set_string(keyfile, identifier,
1644                                 key, ipconfig->address->local);
1645         g_free(key);
1646
1647         key = g_strdup_printf("%speer_address", prefix);
1648         if (ipconfig->address->peer != NULL)
1649                 g_key_file_set_string(keyfile, identifier,
1650                                 key, ipconfig->address->peer);
1651         g_free(key);
1652
1653         key = g_strdup_printf("%sbroadcast_address", prefix);
1654         if (ipconfig->address->broadcast != NULL)
1655                 g_key_file_set_string(keyfile, identifier,
1656                         key, ipconfig->address->broadcast);
1657         g_free(key);
1658
1659         key = g_strdup_printf("%sgateway", prefix);
1660         if (ipconfig->address->gateway != NULL)
1661                 g_key_file_set_string(keyfile, identifier,
1662                         key, ipconfig->address->gateway);
1663         g_free(key);
1664
1665         return 0;
1666 }
1667
1668 int __connman_ipconfig_init(void)
1669 {
1670         DBG("");
1671
1672         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1673                                                         NULL, free_ipdevice);
1674
1675         return 0;
1676 }
1677
1678 void __connman_ipconfig_cleanup(void)
1679 {
1680         DBG("");
1681
1682         g_hash_table_destroy(ipdevice_hash);
1683         ipdevice_hash = NULL;
1684 }