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         char *pac;
  77
  78         struct connman_ipconfig *config;
  79
  80         struct connman_ipconfig_driver *driver;
  81         struct connman_ipconfig *driver_config;
  82 };
  83
  84 static GHashTable *ipdevice_hash = NULL;
  85 static GList *ipconfig_list = NULL;
  86
  87 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  88 {
  89         struct connman_ipaddress *ipaddress;
  90
  91         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  92         if (ipaddress == NULL)
  93                 return NULL;
  94
  95         ipaddress->family = family;
  96         ipaddress->prefixlen = 0;
  97         ipaddress->local = NULL;
  98         ipaddress->peer = NULL;
  99         ipaddress->broadcast = NULL;
 100         ipaddress->gateway = NULL;
 101
 102         return ipaddress;
 103 }
 104
 105 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 106 {
 107         if (ipaddress == NULL)
 108                 return;
 109
 110         g_free(ipaddress->broadcast);
 111         g_free(ipaddress->peer);
 112         g_free(ipaddress->local);
 113         g_free(ipaddress->gateway);
 114         g_free(ipaddress);
 115 }
 116
 117 static unsigned char netmask2prefixlen(const char *netmask)
 118 {
 119         unsigned char bits = 0;
 120         in_addr_t mask = inet_network(netmask);
 121         in_addr_t host = ~mask;
 122
 123         /* a valid netmask must be 2^n - 1 */
 124         if ((host & (host + 1)) != 0)
 125                 return -1;
 126
 127         for (; mask; mask <<= 1)
 128                 ++bits;
 129
 130         return bits;
 131 }
 132
 133 static gboolean check_ipv6_address(const char *address)
 134 {
 135         unsigned char buf[sizeof(struct in6_addr)];
 136         int err;
 137
 138         err = inet_pton(AF_INET6, address, buf);
 139         if (err > 0)
 140                 return TRUE;
 141
 142         return FALSE;
 143 }
 144
 145 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 146                                 const char *address, const char *gateway,
 147                                                 unsigned char prefix_length)
 148 {
 149         if (ipaddress == NULL)
 150                 return -EINVAL;
 151
 152         if (check_ipv6_address(address) == FALSE)
 153                 return -EINVAL;
 154
 155         if (check_ipv6_address(gateway) == FALSE)
 156                 return -EINVAL;
 157
 158         DBG("prefix_len %d address %s gateway %s",
 159                         prefix_length, address, gateway);
 160
 161         ipaddress->prefixlen = prefix_length;
 162
 163         g_free(ipaddress->local);
 164         ipaddress->local = g_strdup(address);
 165
 166         g_free(ipaddress->gateway);
 167         ipaddress->gateway = g_strdup(gateway);
 168
 169         return 0;
 170 }
 171
 172 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 173                 const char *address, const char *netmask, const char *gateway)
 174 {
 175         if (ipaddress == NULL)
 176                 return;
 177
 178         if (netmask != NULL)
 179                 ipaddress->prefixlen = netmask2prefixlen(netmask);
 180         else
 181                 ipaddress->prefixlen = 32;
 182
 183         g_free(ipaddress->local);
 184         ipaddress->local = g_strdup(address);
 185
 186         g_free(ipaddress->gateway);
 187         ipaddress->gateway = g_strdup(gateway);
 188 }
 189
 190 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 191 {
 192         if (ipaddress == NULL)
 193                 return;
 194
 195         ipaddress->prefixlen = 0;
 196
 197         g_free(ipaddress->local);
 198         ipaddress->local = NULL;
 199
 200         g_free(ipaddress->peer);
 201         ipaddress->peer = NULL;
 202
 203         g_free(ipaddress->broadcast);
 204         ipaddress->broadcast = NULL;
 205
 206         g_free(ipaddress->gateway);
 207         ipaddress->gateway = NULL;
 208 }
 209
 210 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 211                                         struct connman_ipaddress *source)
 212 {
 213         if (ipaddress == NULL || source == NULL)
 214                 return;
 215
 216         ipaddress->family = source->family;
 217         ipaddress->prefixlen = source->prefixlen;
 218
 219         g_free(ipaddress->local);
 220         ipaddress->local = g_strdup(source->local);
 221
 222         g_free(ipaddress->peer);
 223         ipaddress->peer = g_strdup(source->peer);
 224
 225         g_free(ipaddress->broadcast);
 226         ipaddress->broadcast = g_strdup(source->broadcast);
 227
 228         g_free(ipaddress->gateway);
 229         ipaddress->gateway = g_strdup(source->gateway);
 230 }
 231
 232 static void free_address_list(struct connman_ipdevice *ipdevice)
 233 {
 234         GSList *list;
 235
 236         for (list = ipdevice->address_list; list; list = list->next) {
 237                 struct connman_ipaddress *ipaddress = list->data;
 238
 239                 connman_ipaddress_free(ipaddress);
 240                 list->data = NULL;
 241         }
 242
 243         g_slist_free(ipdevice->address_list);
 244         ipdevice->address_list = NULL;
 245 }
 246
 247 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 248                                 unsigned char prefixlen, const char *local)
 249 {
 250         GSList *list;
 251
 252         for (list = ipdevice->address_list; list; list = list->next) {
 253                 struct connman_ipaddress *ipaddress = list->data;
 254
 255                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 256                                         ipaddress->prefixlen == prefixlen)
 257                         return ipaddress;
 258         }
 259
 260         return NULL;
 261 }
 262
 263 static const char *type2str(unsigned short type)
 264 {
 265         switch (type) {
 266         case ARPHRD_ETHER:
 267                 return "ETHER";
 268         case ARPHRD_LOOPBACK:
 269                 return "LOOPBACK";
 270         case ARPHRD_PPP:
 271                 return "PPP";
 272         case ARPHRD_NONE:
 273                 return "NONE";
 274         case ARPHRD_VOID:
 275                 return "VOID";
 276         }
 277
 278         return "";
 279 }
 280
 281 static const char *scope2str(unsigned char scope)
 282 {
 283         switch (scope) {
 284         case 0:
 285                 return "UNIVERSE";
 286         case 253:
 287                 return "LINK";
 288         }
 289
 290         return "";
 291 }
 292
 293 static void free_ipdevice(gpointer data)
 294 {
 295         struct connman_ipdevice *ipdevice = data;
 296
 297         connman_info("%s {remove} index %d", ipdevice->ifname,
 298                                                         ipdevice->index);
 299
 300         if (ipdevice->config != NULL)
 301                 connman_ipconfig_unref(ipdevice->config);
 302
 303         free_address_list(ipdevice);
 304         g_free(ipdevice->ipv4_gateway);
 305         g_free(ipdevice->ipv6_gateway);
 306         g_free(ipdevice->pac);
 307
 308         g_free(ipdevice->address);
 309         g_free(ipdevice->ifname);
 310         g_free(ipdevice);
 311 }
 312
 313 static GSList *driver_list = NULL;
 314
 315 static gint compare_priority(gconstpointer a, gconstpointer b)
 316 {
 317         const struct connman_ipconfig_driver *driver1 = a;
 318         const struct connman_ipconfig_driver *driver2 = b;
 319
 320         return driver2->priority - driver1->priority;
 321 }
 322
 323 /**
 324  * connman_ipconfig_driver_register:
 325  * @driver: IP configuration driver
 326  *
 327  * Register a new IP configuration driver
 328  *
 329  * Returns: %0 on success
 330  */
 331 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 332 {
 333         DBG("driver %p name %s", driver, driver->name);
 334
 335         driver_list = g_slist_insert_sorted(driver_list, driver,
 336                                                         compare_priority);
 337
 338         return 0;
 339 }
 340
 341 /**
 342  * connman_ipconfig_driver_unregister:
 343  * @driver: IP configuration driver
 344  *
 345  * Remove a previously registered IP configuration driver.
 346  */
 347 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 348 {
 349         DBG("driver %p name %s", driver, driver->name);
 350
 351         driver_list = g_slist_remove(driver_list, driver);
 352 }
 353
 354 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 355 {
 356         GSList *list;
 357
 358         DBG("ipconfig %p", ipdevice->config);
 359
 360         if (ipdevice->config == NULL)
 361                 return;
 362
 363         switch (ipdevice->config->method) {
 364         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 365         case CONNMAN_IPCONFIG_METHOD_OFF:
 366         case CONNMAN_IPCONFIG_METHOD_FIXED:
 367         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 368                 return;
 369         case CONNMAN_IPCONFIG_METHOD_DHCP:
 370                 break;
 371         }
 372
 373         if (ipdevice->driver != NULL)
 374                 return;
 375
 376         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 377         if (ipdevice->driver_config == NULL)
 378                 return;
 379
 380         for (list = driver_list; list; list = list->next) {
 381                 struct connman_ipconfig_driver *driver = list->data;
 382
 383                 if (driver->request(ipdevice->driver_config) == 0) {
 384                         ipdevice->driver = driver;
 385                         break;
 386                 }
 387         }
 388
 389         if (ipdevice->driver == NULL) {
 390                 connman_ipconfig_unref(ipdevice->driver_config);
 391                 ipdevice->driver_config = NULL;
 392         }
 393 }
 394
 395 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 396 {
 397         DBG("ipconfig %p", ipdevice->config);
 398
 399         if (ipdevice->config == NULL)
 400                 return;
 401
 402         if (ipdevice->driver == NULL)
 403                 return;
 404
 405         ipdevice->driver->release(ipdevice->driver_config);
 406
 407         ipdevice->driver = NULL;
 408
 409         connman_ipconfig_unref(ipdevice->driver_config);
 410         ipdevice->driver_config = NULL;
 411
 412         connman_inet_clear_address(ipdevice->index);
 413         connman_inet_clear_ipv6_address(ipdevice->index,
 414                         ipdevice->driver_config->address->local,
 415                         ipdevice->driver_config->address->prefixlen);
 416 }
 417
 418 static void update_stats(struct connman_ipdevice *ipdevice,
 419                                                 struct rtnl_link_stats *stats)
 420 {
 421         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 422                 return;
 423
 424         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 425                                         stats->rx_packets, stats->rx_bytes);
 426         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 427                                         stats->tx_packets, stats->tx_bytes);
 428
 429         if (ipdevice->config == NULL)
 430                 return;
 431
 432         ipdevice->rx_packets = stats->rx_packets;
 433         ipdevice->tx_packets = stats->tx_packets;
 434         ipdevice->rx_bytes = stats->rx_bytes;
 435         ipdevice->tx_bytes = stats->tx_bytes;
 436         ipdevice->rx_errors = stats->rx_errors;
 437         ipdevice->tx_errors = stats->tx_errors;
 438         ipdevice->rx_dropped = stats->rx_dropped;
 439         ipdevice->tx_dropped = stats->tx_dropped;
 440
 441         __connman_counter_notify(ipdevice->config,
 442                                 ipdevice->rx_packets, ipdevice->tx_packets,
 443                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 444                                 ipdevice->rx_errors, ipdevice->tx_errors,
 445                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 446 }
 447
 448 void __connman_ipconfig_newlink(int index, unsigned short type,
 449                                 unsigned int flags, const char *address,
 450                                                         unsigned short mtu,
 451                                                 struct rtnl_link_stats *stats)
 452 {
 453         struct connman_ipdevice *ipdevice;
 454         GList *list;
 455         GString *str;
 456         gboolean up = FALSE, down = FALSE;
 457         gboolean lower_up = FALSE, lower_down = FALSE;
 458
 459         DBG("index %d", index);
 460
 461         if (type == ARPHRD_LOOPBACK)
 462                 return;
 463
 464         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 465         if (ipdevice != NULL)
 466                 goto update;
 467
 468         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 469         if (ipdevice == NULL)
 470                 return;
 471
 472         ipdevice->index = index;
 473         ipdevice->ifname = connman_inet_ifname(index);
 474         ipdevice->type = type;
 475
 476         ipdevice->address = g_strdup(address);
 477
 478         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 479
 480         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 481                                                 index, type, type2str(type));
 482
 483 update:
 484         ipdevice->mtu = mtu;
 485
 486         update_stats(ipdevice, stats);
 487
 488         if (flags == ipdevice->flags)
 489                 return;
 490
 491         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 492                 if (flags & IFF_UP)
 493                         up = TRUE;
 494                 else
 495                         down = TRUE;
 496         }
 497
 498         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 499                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 500                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 501                                         (IFF_RUNNING | IFF_LOWER_UP))
 502                         lower_up = TRUE;
 503                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 504                         lower_down = TRUE;
 505         }
 506
 507         ipdevice->flags = flags;
 508
 509         str = g_string_new(NULL);
 510         if (str == NULL)
 511                 return;
 512
 513         if (flags & IFF_UP)
 514                 g_string_append(str, "UP");
 515         else
 516                 g_string_append(str, "DOWN");
 517
 518         if (flags & IFF_RUNNING)
 519                 g_string_append(str, ",RUNNING");
 520
 521         if (flags & IFF_LOWER_UP)
 522                 g_string_append(str, ",LOWER_UP");
 523
 524         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 525                                                         flags, str->str);
 526
 527         g_string_free(str, TRUE);
 528
 529         for (list = g_list_first(ipconfig_list); list;
 530                                                 list = g_list_next(list)) {
 531                 struct connman_ipconfig *ipconfig = list->data;
 532
 533                 if (index != ipconfig->index)
 534                         continue;
 535
 536                 if (ipconfig->ops == NULL)
 537                         continue;
 538
 539                 if (up == TRUE && ipconfig->ops->up)
 540                         ipconfig->ops->up(ipconfig);
 541                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 542                         ipconfig->ops->lower_up(ipconfig);
 543
 544                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 545                         ipconfig->ops->lower_down(ipconfig);
 546                 if (down == TRUE && ipconfig->ops->down)
 547                         ipconfig->ops->down(ipconfig);
 548         }
 549
 550         if (lower_up)
 551                 __connman_ipconfig_lower_up(ipdevice);
 552         if (lower_down)
 553                 __connman_ipconfig_lower_down(ipdevice);
 554 }
 555
 556 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 557 {
 558         struct connman_ipdevice *ipdevice;
 559         GList *list;
 560
 561         DBG("index %d", index);
 562
 563         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 564         if (ipdevice == NULL)
 565                 return;
 566
 567         update_stats(ipdevice, stats);
 568
 569         for (list = g_list_first(ipconfig_list); list;
 570                                                 list = g_list_next(list)) {
 571                 struct connman_ipconfig *ipconfig = list->data;
 572
 573                 if (index != ipconfig->index)
 574                         continue;
 575
 576                 ipconfig->index = -1;
 577
 578                 if (ipconfig->ops == NULL)
 579                         continue;
 580
 581                 if (ipconfig->ops->lower_down)
 582                         ipconfig->ops->lower_down(ipconfig);
 583                 if (ipconfig->ops->down)
 584                         ipconfig->ops->down(ipconfig);
 585         }
 586
 587         __connman_ipconfig_lower_down(ipdevice);
 588
 589         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 590 }
 591
 592 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 593                                 unsigned char prefixlen, const char *address)
 594 {
 595         struct connman_ipdevice *ipdevice;
 596         struct connman_ipaddress *ipaddress;
 597         GList *list;
 598
 599         DBG("index %d", index);
 600
 601         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 602         if (ipdevice == NULL)
 603                 return;
 604
 605         ipaddress = connman_ipaddress_alloc(family);
 606         if (ipaddress == NULL)
 607                 return;
 608
 609         ipaddress->prefixlen = prefixlen;
 610         ipaddress->local = g_strdup(address);
 611
 612         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 613                                                                 ipaddress);
 614
 615         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 616                                                 address, prefixlen, label);
 617
 618         if (ipdevice->config != NULL) {
 619                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 620                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 621                                                         ipaddress);
 622                 else
 623                         connman_ipaddress_copy(ipdevice->config->system,
 624                                                         ipaddress);
 625         }
 626
 627         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 628                 return;
 629
 630         if (g_slist_length(ipdevice->address_list) > 1)
 631                 return;
 632
 633         for (list = g_list_first(ipconfig_list); list;
 634                                                 list = g_list_next(list)) {
 635                 struct connman_ipconfig *ipconfig = list->data;
 636
 637                 if (index != ipconfig->index)
 638                         continue;
 639
 640                 if (ipconfig->ops == NULL)
 641                         continue;
 642
 643                 if (ipconfig->ops->ip_bound)
 644                         ipconfig->ops->ip_bound(ipconfig);
 645         }
 646 }
 647
 648 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 649                                 unsigned char prefixlen, const char *address)
 650 {
 651         struct connman_ipdevice *ipdevice;
 652         struct connman_ipaddress *ipaddress;
 653         GList *list;
 654
 655         DBG("index %d", index);
 656
 657         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 658         if (ipdevice == NULL)
 659                 return;
 660
 661         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 662         if (ipaddress == NULL)
 663                 return;
 664
 665         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 666                                                                 ipaddress);
 667
 668         connman_ipaddress_free(ipaddress);
 669
 670         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 671                                                 address, prefixlen, label);
 672
 673         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 674                 return;
 675
 676         if (g_slist_length(ipdevice->address_list) > 0)
 677                 return;
 678
 679         for (list = g_list_first(ipconfig_list); list;
 680                                                 list = g_list_next(list)) {
 681                 struct connman_ipconfig *ipconfig = list->data;
 682
 683                 if (index != ipconfig->index)
 684                         continue;
 685
 686                 if (ipconfig->ops == NULL)
 687                         continue;
 688
 689                 if (ipconfig->ops->ip_release)
 690                         ipconfig->ops->ip_release(ipconfig);
 691         }
 692 }
 693
 694 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 695                                         const char *dst, const char *gateway)
 696 {
 697         struct connman_ipdevice *ipdevice;
 698
 699         DBG("index %d", index);
 700
 701         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 702         if (ipdevice == NULL)
 703                 return;
 704
 705         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 706                 GSList *list;
 707
 708                 if (family == AF_INET6) {
 709                         g_free(ipdevice->ipv6_gateway);
 710                         ipdevice->ipv6_gateway = g_strdup(gateway);
 711                 } else {
 712                         g_free(ipdevice->ipv4_gateway);
 713                         ipdevice->ipv4_gateway = g_strdup(gateway);
 714                 }
 715
 716                 if (ipdevice->config != NULL &&
 717                                         ipdevice->config->system != NULL) {
 718                         g_free(ipdevice->config->system->gateway);
 719                         ipdevice->config->system->gateway = g_strdup(gateway);
 720                 }
 721
 722                 for (list = ipdevice->address_list; list; list = list->next) {
 723                         struct connman_ipaddress *ipaddress = list->data;
 724
 725                         g_free(ipaddress->gateway);
 726                         ipaddress->gateway = g_strdup(gateway);
 727                 }
 728         }
 729
 730         connman_info("%s {add} route %s gw %s scope %u <%s>",
 731                                         ipdevice->ifname, dst, gateway,
 732                                                 scope, scope2str(scope));
 733 }
 734
 735 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 736                                         const char *dst, const char *gateway)
 737 {
 738         struct connman_ipdevice *ipdevice;
 739
 740         DBG("index %d", index);
 741
 742         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 743         if (ipdevice == NULL)
 744                 return;
 745
 746         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 747                 GSList *list;
 748
 749                 if (family == AF_INET6) {
 750                         g_free(ipdevice->ipv6_gateway);
 751                         ipdevice->ipv6_gateway = NULL;
 752                 } else {
 753                         g_free(ipdevice->ipv4_gateway);
 754                         ipdevice->ipv4_gateway = NULL;
 755                 }
 756
 757                 if (ipdevice->config != NULL &&
 758                                         ipdevice->config->system != NULL) {
 759                         g_free(ipdevice->config->system->gateway);
 760                         ipdevice->config->system->gateway = NULL;
 761                 }
 762
 763                 for (list = ipdevice->address_list; list; list = list->next) {
 764                         struct connman_ipaddress *ipaddress = list->data;
 765
 766                         g_free(ipaddress->gateway);
 767                         ipaddress->gateway = NULL;
 768                 }
 769         }
 770
 771         connman_info("%s {del} route %s gw %s scope %u <%s>",
 772                                         ipdevice->ifname, dst, gateway,
 773                                                 scope, scope2str(scope));
 774 }
 775
 776 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 777                                                         void *user_data)
 778 {
 779         GList *list, *keys;
 780
 781         keys = g_hash_table_get_keys(ipdevice_hash);
 782         if (keys == NULL)
 783                 return;
 784
 785         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 786                 int index = GPOINTER_TO_INT(list->data);
 787
 788                 function(index, user_data);
 789         }
 790
 791         g_list_free(keys);
 792 }
 793
 794 unsigned short __connman_ipconfig_get_type(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 ARPHRD_VOID;
 801
 802         return ipdevice->type;
 803 }
 804
 805 unsigned int __connman_ipconfig_get_flags(int index)
 806 {
 807         struct connman_ipdevice *ipdevice;
 808
 809         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 810         if (ipdevice == NULL)
 811                 return 0;
 812
 813         return ipdevice->flags;
 814 }
 815
 816 const char *__connman_ipconfig_get_gateway(int index)
 817 {
 818         struct connman_ipdevice *ipdevice;
 819
 820         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 821         if (ipdevice == NULL)
 822                 return NULL;
 823
 824         if (ipdevice->ipv4_gateway != NULL)
 825                 return ipdevice->ipv4_gateway;
 826
 827         if (ipdevice->config != NULL &&
 828                         ipdevice->config->address != NULL)
 829                 return ipdevice->config->address->gateway;
 830
 831         return NULL;
 832 }
 833
 834 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 835 {
 836         ipconfig->index = index;
 837
 838         if (ipconfig->ipv6 != NULL)
 839                 ipconfig->ipv6->index = index;
 840 }
 841
 842 static struct connman_ipconfig *create_ipv6config(int index)
 843 {
 844         struct connman_ipconfig *ipv6config;
 845
 846         DBG("index %d", index);
 847
 848         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 849         if (ipv6config == NULL)
 850                 return NULL;
 851
 852         ipv6config->index = index;
 853         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 854         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
 855
 856         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 857         if (ipv6config->address == NULL) {
 858                 g_free(ipv6config);
 859                 return NULL;
 860         }
 861
 862         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 863
 864         ipv6config->ipv6 = NULL;
 865
 866         DBG("ipconfig %p", ipv6config);
 867
 868         return ipv6config;
 869 }
 870
 871 /**
 872  * connman_ipconfig_create:
 873  *
 874  * Allocate a new ipconfig structure.
 875  *
 876  * Returns: a newly-allocated #connman_ipconfig structure
 877  */
 878 struct connman_ipconfig *connman_ipconfig_create(int index)
 879 {
 880         struct connman_ipconfig *ipconfig;
 881
 882         DBG("index %d", index);
 883
 884         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 885         if (ipconfig == NULL)
 886                 return NULL;
 887
 888         ipconfig->refcount = 1;
 889
 890         ipconfig->index = index;
 891         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 892
 893         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 894         if (ipconfig->address == NULL) {
 895                 g_free(ipconfig);
 896                 return NULL;
 897         }
 898
 899         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 900
 901         ipconfig->ipv6 = create_ipv6config(index);
 902
 903         DBG("ipconfig %p", ipconfig);
 904
 905         return ipconfig;
 906 }
 907
 908 /**
 909  * connman_ipconfig_clone:
 910  *
 911  * Clone an ipconfig structure and create new reference.
 912  *
 913  * Returns: a newly-allocated #connman_ipconfig structure
 914  */
 915 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 916 {
 917         struct connman_ipconfig *ipconfig_clone;
 918
 919         DBG("ipconfig %p", ipconfig);
 920
 921         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 922         if (ipconfig_clone == NULL)
 923                 return NULL;
 924
 925         ipconfig_clone->refcount = 1;
 926
 927         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 928
 929         ipconfig_clone->index = -1;
 930
 931         return ipconfig_clone;
 932 }
 933
 934 /**
 935  * connman_ipconfig_ref:
 936  * @ipconfig: ipconfig structure
 937  *
 938  * Increase reference counter of ipconfig
 939  */
 940 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 941 {
 942         g_atomic_int_inc(&ipconfig->refcount);
 943
 944         return ipconfig;
 945 }
 946
 947 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
 948 {
 949         if (ipconfig == NULL)
 950                 return;
 951
 952         connman_ipconfig_set_ops(ipconfig, NULL);
 953         connman_ipaddress_free(ipconfig->system);
 954         connman_ipaddress_free(ipconfig->address);
 955         g_free(ipconfig->ipv6);
 956 }
 957
 958 /**
 959  * connman_ipconfig_unref:
 960  * @ipconfig: ipconfig structure
 961  *
 962  * Decrease reference counter of ipconfig
 963  */
 964 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 965 {
 966         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 967                 __connman_ipconfig_disable(ipconfig);
 968
 969                 connman_ipconfig_set_ops(ipconfig, NULL);
 970
 971                 if (ipconfig->origin != NULL) {
 972                         connman_ipconfig_unref(ipconfig->origin);
 973                         ipconfig->origin = NULL;
 974                 }
 975
 976                 connman_ipaddress_free(ipconfig->system);
 977                 connman_ipaddress_free(ipconfig->address);
 978                 free_ipv6config(ipconfig->ipv6);
 979                 g_free(ipconfig);
 980         }
 981 }
 982
 983 /**
 984  * connman_ipconfig_get_data:
 985  * @ipconfig: ipconfig structure
 986  *
 987  * Get private data pointer
 988  */
 989 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 990 {
 991         return ipconfig->ops_data;
 992 }
 993
 994 /**
 995  * connman_ipconfig_set_data:
 996  * @ipconfig: ipconfig structure
 997  * @data: data pointer
 998  *
 999  * Set private data pointer
1000  */
1001 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1002 {
1003         ipconfig->ops_data = data;
1004 }
1005
1006 /**
1007  * connman_ipconfig_get_index:
1008  * @ipconfig: ipconfig structure
1009  *
1010  * Get interface index
1011  */
1012 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1013 {
1014         if (ipconfig == NULL)
1015                 return -1;
1016
1017         if (ipconfig->origin != NULL)
1018                 return ipconfig->origin->index;
1019
1020         return ipconfig->index;
1021 }
1022
1023 /**
1024  * connman_ipconfig_get_ifname:
1025  * @ipconfig: ipconfig structure
1026  *
1027  * Get interface name
1028  */
1029 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1030 {
1031         struct connman_ipdevice *ipdevice;
1032
1033         if (ipconfig == NULL)
1034                 return NULL;
1035
1036         if (ipconfig->index < 0)
1037                 return NULL;
1038
1039         ipdevice = g_hash_table_lookup(ipdevice_hash,
1040                                         GINT_TO_POINTER(ipconfig->index));
1041         if (ipdevice == NULL)
1042                 return NULL;
1043
1044         return ipdevice->ifname;
1045 }
1046
1047 /**
1048  * connman_ipconfig_set_ops:
1049  * @ipconfig: ipconfig structure
1050  * @ops: operation callbacks
1051  *
1052  * Set the operation callbacks
1053  */
1054 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1055                                 const struct connman_ipconfig_ops *ops)
1056 {
1057         ipconfig->ops = ops;
1058 }
1059
1060 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1061                                 struct connman_ipconfig *ipconfig)
1062 {
1063         if (ipconfig == NULL)
1064                 return NULL;
1065
1066         return ipconfig->ipv6;
1067 }
1068
1069 /**
1070  * connman_ipconfig_set_method:
1071  * @ipconfig: ipconfig structure
1072  * @method: configuration method
1073  *
1074  * Set the configuration method
1075  */
1076 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1077                                         enum connman_ipconfig_method method)
1078 {
1079         ipconfig->method = method;
1080
1081         return 0;
1082 }
1083
1084 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1085 {
1086         if (ipconfig == NULL)
1087                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1088
1089         return ipconfig->method;
1090 }
1091
1092 /**
1093  * connman_ipconfig_bind:
1094  * @ipconfig: ipconfig structure
1095  * @ipaddress: ipaddress structure
1096  *
1097  * Bind IP address details to configuration
1098  */
1099 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1100                                         struct connman_ipaddress *ipaddress)
1101 {
1102         struct connman_ipconfig *origin;
1103
1104         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1105
1106         connman_ipaddress_copy(origin->address, ipaddress);
1107
1108         connman_inet_set_address(origin->index, origin->address);
1109 }
1110
1111 void __connman_ipconfig_set_element_ipv6_gateway(
1112                         struct connman_ipconfig *ipconfig,
1113                                 struct connman_element *element)
1114 {
1115         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1116 }
1117
1118 /*
1119  * FIXME: The element soulution should be removed in the future
1120  * Set IPv4 and IPv6 gateway
1121  */
1122 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1123                                                 struct connman_element *parent)
1124 {
1125         struct connman_element *connection;
1126
1127         connection = connman_element_create(NULL);
1128
1129         DBG("ipconfig %p", ipconfig);
1130
1131         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1132         connection->index = ipconfig->index;
1133         connection->ipv4.gateway = ipconfig->address->gateway;
1134         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1135
1136         if (connman_element_register(connection, parent) < 0)
1137                 connman_element_unref(connection);
1138
1139         return 0;
1140 }
1141
1142 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1143 {
1144         DBG("");
1145
1146         switch (ipconfig->method) {
1147         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1148         case CONNMAN_IPCONFIG_METHOD_OFF:
1149         case CONNMAN_IPCONFIG_METHOD_FIXED:
1150         case CONNMAN_IPCONFIG_METHOD_DHCP:
1151                 break;
1152         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1153                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1154                         return connman_inet_set_address(ipconfig->index,
1155                                                         ipconfig->address);
1156                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1157                         return connman_inet_set_ipv6_address(
1158                                         ipconfig->index, ipconfig->address);
1159         }
1160
1161         return 0;
1162 }
1163
1164 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1165 {
1166         DBG("");
1167
1168         if (ipconfig == NULL)
1169                 return 0;
1170
1171         DBG("method %d", ipconfig->method);
1172
1173         switch (ipconfig->method) {
1174         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1175         case CONNMAN_IPCONFIG_METHOD_OFF:
1176         case CONNMAN_IPCONFIG_METHOD_FIXED:
1177         case CONNMAN_IPCONFIG_METHOD_DHCP:
1178                 break;
1179         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1180                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1181                         return connman_inet_clear_address(ipconfig->index);
1182                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1183                         return connman_inet_clear_ipv6_address(
1184                                                 ipconfig->index,
1185                                                 ipconfig->address->local,
1186                                                 ipconfig->address->prefixlen);
1187         }
1188
1189         return 0;
1190 }
1191
1192 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1193                                                         const char *url)
1194 {
1195         struct connman_ipdevice *ipdevice;
1196
1197         DBG("ipconfig %p", ipconfig);
1198
1199         if (ipconfig == NULL || ipconfig->index < 0)
1200                 return -ENODEV;
1201
1202         ipdevice = g_hash_table_lookup(ipdevice_hash,
1203                                         GINT_TO_POINTER(ipconfig->index));
1204         if (ipdevice == NULL)
1205                 return -ENXIO;
1206
1207         g_free(ipdevice->pac);
1208         ipdevice->pac = g_strdup(url);
1209
1210         return 0;
1211 }
1212
1213 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1214 {
1215         struct connman_ipdevice *ipdevice;
1216         gboolean up = FALSE, down = FALSE;
1217         gboolean lower_up = FALSE, lower_down = FALSE;
1218
1219         DBG("ipconfig %p", ipconfig);
1220
1221         if (ipconfig == NULL || ipconfig->index < 0)
1222                 return -ENODEV;
1223
1224         ipdevice = g_hash_table_lookup(ipdevice_hash,
1225                                         GINT_TO_POINTER(ipconfig->index));
1226         if (ipdevice == NULL)
1227                 return -ENXIO;
1228
1229         if (ipdevice->config == ipconfig)
1230                 return -EALREADY;
1231
1232         if (ipdevice->config != NULL) {
1233                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1234
1235                 connman_ipaddress_clear(ipdevice->config->system);
1236
1237                 connman_ipconfig_unref(ipdevice->config);
1238         }
1239
1240         ipdevice->config = connman_ipconfig_ref(ipconfig);
1241
1242         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1243
1244         if (ipdevice->flags & IFF_UP)
1245                 up = TRUE;
1246         else
1247                 down = TRUE;
1248
1249         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1250                         (IFF_RUNNING | IFF_LOWER_UP))
1251                 lower_up = TRUE;
1252         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1253                 lower_down = TRUE;
1254
1255         if (up == TRUE && ipconfig->ops->up)
1256                 ipconfig->ops->up(ipconfig);
1257         if (lower_up == TRUE && ipconfig->ops->lower_up)
1258                 ipconfig->ops->lower_up(ipconfig);
1259
1260         if (lower_down == TRUE && ipconfig->ops->lower_down)
1261                 ipconfig->ops->lower_down(ipconfig);
1262         if (down == TRUE && ipconfig->ops->down)
1263                 ipconfig->ops->down(ipconfig);
1264
1265         return 0;
1266 }
1267
1268 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1269 {
1270         struct connman_ipdevice *ipdevice;
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 == NULL || ipdevice->config != ipconfig)
1283                 return -EINVAL;
1284
1285         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1286
1287         connman_ipaddress_clear(ipdevice->config->system);
1288         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1289
1290         connman_ipconfig_unref(ipdevice->config);
1291         ipdevice->config = NULL;
1292
1293         return 0;
1294 }
1295
1296 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1297 {
1298         switch (method) {
1299         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1300                 break;
1301         case CONNMAN_IPCONFIG_METHOD_OFF:
1302                 return "off";
1303         case CONNMAN_IPCONFIG_METHOD_FIXED:
1304                 return "fixed";
1305         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1306                 return "manual";
1307         case CONNMAN_IPCONFIG_METHOD_DHCP:
1308                 return "dhcp";
1309         }
1310
1311         return NULL;
1312 }
1313
1314 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1315 {
1316         if (g_strcmp0(method, "off") == 0)
1317                 return CONNMAN_IPCONFIG_METHOD_OFF;
1318         else if (g_strcmp0(method, "fixed") == 0)
1319                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1320         else if (g_strcmp0(method, "manual") == 0)
1321                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1322         else if (g_strcmp0(method, "dhcp") == 0)
1323                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1324         else
1325                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1326 }
1327
1328 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1329                                                         DBusMessageIter *iter)
1330 {
1331         const char *str;
1332
1333         DBG("");
1334
1335         str = __connman_ipconfig_method2string(ipconfig->method);
1336         if (str == NULL)
1337                 return;
1338
1339         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1340
1341         if (ipconfig->system == NULL)
1342                 return;
1343
1344         if (ipconfig->system->local != NULL) {
1345                 in_addr_t addr;
1346                 struct in_addr netmask;
1347                 char *mask;
1348
1349                 connman_dbus_dict_append_basic(iter, "Address",
1350                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1351
1352                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1353                 netmask.s_addr = htonl(addr);
1354                 mask = inet_ntoa(netmask);
1355                 connman_dbus_dict_append_basic(iter, "Netmask",
1356                                                 DBUS_TYPE_STRING, &mask);
1357         }
1358
1359         if (ipconfig->system->gateway != NULL)
1360                 connman_dbus_dict_append_basic(iter, "Gateway",
1361                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1362 }
1363
1364 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1365                                                         DBusMessageIter *iter)
1366 {
1367         const char *str;
1368
1369         DBG("");
1370
1371         str = __connman_ipconfig_method2string(ipconfig->method);
1372         if (str == NULL)
1373                 return;
1374
1375         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1376
1377         if (ipconfig->system == NULL)
1378                 return;
1379
1380         if (ipconfig->system->local != NULL) {
1381                 connman_dbus_dict_append_basic(iter, "Address",
1382                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1383                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1384                                                 DBUS_TYPE_BYTE,
1385                                                 &ipconfig->system->prefixlen);
1386         }
1387
1388         if (ipconfig->system->gateway != NULL)
1389                 connman_dbus_dict_append_basic(iter, "Gateway",
1390                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1391 }
1392
1393 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1394                                                         DBusMessageIter *iter)
1395 {
1396         const char *str;
1397
1398         DBG("");
1399
1400         str = __connman_ipconfig_method2string(ipconfig->method);
1401         if (str == NULL)
1402                 return;
1403
1404         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1405
1406         switch (ipconfig->method) {
1407         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1408         case CONNMAN_IPCONFIG_METHOD_OFF:
1409         case CONNMAN_IPCONFIG_METHOD_DHCP:
1410                 return;
1411         case CONNMAN_IPCONFIG_METHOD_FIXED:
1412         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1413                 break;
1414         }
1415
1416         if (ipconfig->address == NULL)
1417                 return;
1418
1419         if (ipconfig->address->local != NULL) {
1420                 connman_dbus_dict_append_basic(iter, "Address",
1421                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1422                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1423                                                 DBUS_TYPE_BYTE,
1424                                                 &ipconfig->address->prefixlen);
1425         }
1426
1427         if (ipconfig->address->gateway != NULL)
1428                 connman_dbus_dict_append_basic(iter, "Gateway",
1429                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1430 }
1431
1432 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1433                                                         DBusMessageIter *iter)
1434 {
1435         const char *str;
1436
1437         DBG("");
1438
1439         str = __connman_ipconfig_method2string(ipconfig->method);
1440         if (str == NULL)
1441                 return;
1442
1443         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1444
1445         switch (ipconfig->method) {
1446         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1447         case CONNMAN_IPCONFIG_METHOD_OFF:
1448         case CONNMAN_IPCONFIG_METHOD_FIXED:
1449         case CONNMAN_IPCONFIG_METHOD_DHCP:
1450                 return;
1451         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1452                 break;
1453         }
1454
1455         if (ipconfig->address == NULL)
1456                 return;
1457
1458         if (ipconfig->address->local != NULL) {
1459                 in_addr_t addr;
1460                 struct in_addr netmask;
1461                 char *mask;
1462
1463                 connman_dbus_dict_append_basic(iter, "Address",
1464                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1465
1466                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1467                 netmask.s_addr = htonl(addr);
1468                 mask = inet_ntoa(netmask);
1469                 connman_dbus_dict_append_basic(iter, "Netmask",
1470                                                 DBUS_TYPE_STRING, &mask);
1471         }
1472
1473         if (ipconfig->address->gateway != NULL)
1474                 connman_dbus_dict_append_basic(iter, "Gateway",
1475                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1476 }
1477
1478 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1479                 enum connman_ipconfig_type type, DBusMessageIter *array)
1480 {
1481         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1482         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1483                         *prefix_length_string = NULL;
1484         int prefix_length = 0;
1485         DBusMessageIter dict;
1486
1487         DBG("ipconfig %p type %d", ipconfig, type);
1488
1489         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1490                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1491                 return -EINVAL;
1492
1493         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1494                 return -EINVAL;
1495
1496         dbus_message_iter_recurse(array, &dict);
1497
1498         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1499                 DBusMessageIter entry;
1500                 const char *key;
1501                 int type;
1502
1503                 dbus_message_iter_recurse(&dict, &entry);
1504
1505                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1506                         return -EINVAL;
1507
1508                 dbus_message_iter_get_basic(&entry, &key);
1509                 dbus_message_iter_next(&entry);
1510
1511                 type = dbus_message_iter_get_arg_type(&entry);
1512
1513                 if (g_str_equal(key, "Method") == TRUE) {
1514                         const char *str;
1515
1516                         if (type != DBUS_TYPE_STRING)
1517                                 return -EINVAL;
1518
1519                         dbus_message_iter_get_basic(&entry, &str);
1520                         method = __connman_ipconfig_string2method(str);
1521                 } else if (g_str_equal(key, "Address") == TRUE) {
1522                         if (type != DBUS_TYPE_STRING)
1523                                 return -EINVAL;
1524
1525                         dbus_message_iter_get_basic(&entry, &address);
1526                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1527                         if (type != DBUS_TYPE_STRING)
1528                                 return -EINVAL;
1529
1530                         dbus_message_iter_get_basic(&entry,
1531                                                         &prefix_length_string);
1532
1533                         prefix_length = atoi(prefix_length_string);
1534                         if (prefix_length < 0 || prefix_length > 128)
1535                                 return -EINVAL;
1536
1537                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1538                         if (type != DBUS_TYPE_STRING)
1539                                 return -EINVAL;
1540
1541                         dbus_message_iter_get_basic(&entry, &netmask);
1542                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1543                         if (type != DBUS_TYPE_STRING)
1544                                 return -EINVAL;
1545
1546                         dbus_message_iter_get_basic(&entry, &gateway);
1547                 }
1548                 dbus_message_iter_next(&dict);
1549         }
1550
1551         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1552                         method, address, netmask, gateway, prefix_length);
1553
1554         switch (method) {
1555         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1556         case CONNMAN_IPCONFIG_METHOD_OFF:
1557         case CONNMAN_IPCONFIG_METHOD_FIXED:
1558                 return -EINVAL;
1559
1560         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1561                 if (address == NULL)
1562                         return -EINVAL;
1563
1564                 ipconfig->method = method;
1565
1566                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1567                         connman_ipaddress_set_ipv4(ipconfig->address,
1568                                                 address, netmask, gateway);
1569                 else
1570                         return connman_ipaddress_set_ipv6(
1571                                         ipconfig->address, address,
1572                                                 gateway, prefix_length);
1573                 break;
1574
1575         case CONNMAN_IPCONFIG_METHOD_DHCP:
1576                 if (ipconfig->method == method)
1577                         return 0;
1578
1579                 ipconfig->method = method;
1580                 break;
1581         }
1582
1583         return 0;
1584 }
1585
1586 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1587                                                         DBusMessageIter *iter)
1588 {
1589         struct connman_ipdevice *ipdevice;
1590         const char *method = "direct";
1591
1592         ipdevice = g_hash_table_lookup(ipdevice_hash,
1593                                         GINT_TO_POINTER(ipconfig->index));
1594         if (ipdevice == NULL)
1595                 goto done;
1596
1597         if (ipdevice->pac == NULL)
1598                 goto done;
1599
1600         method = "auto-config";
1601
1602         connman_dbus_dict_append_basic(iter, "URL",
1603                                         DBUS_TYPE_STRING, &ipdevice->pac);
1604
1605 done:
1606         connman_dbus_dict_append_basic(iter, "Method",
1607                                                 DBUS_TYPE_STRING, &method);
1608 }
1609
1610 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1611                                                         DBusMessageIter *iter)
1612 {
1613         struct connman_ipdevice *ipdevice;
1614         const char *method = "auto";
1615
1616         connman_dbus_dict_append_basic(iter, "Method",
1617                                                 DBUS_TYPE_STRING, &method);
1618
1619         ipdevice = g_hash_table_lookup(ipdevice_hash,
1620                                         GINT_TO_POINTER(ipconfig->index));
1621         if (ipdevice == NULL)
1622                 return;
1623
1624         if (ipdevice->ifname != NULL)
1625                 connman_dbus_dict_append_basic(iter, "Interface",
1626                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1627
1628         if (ipdevice->address != NULL)
1629                 connman_dbus_dict_append_basic(iter, "Address",
1630                                         DBUS_TYPE_STRING, &ipdevice->address);
1631
1632         if (ipdevice->mtu > 0)
1633                 connman_dbus_dict_append_basic(iter, "MTU",
1634                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1635 }
1636
1637 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1638                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1639 {
1640         const char *method;
1641         char *key;
1642
1643         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1644
1645         key = g_strdup_printf("%smethod", prefix);
1646         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1647         if (method == NULL) {
1648                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1649                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1650                 else
1651                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1652         } else
1653                 ipconfig->method = __connman_ipconfig_string2method(method);
1654         g_free(key);
1655
1656         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1657         ipconfig->address->prefixlen = g_key_file_get_integer(
1658                                 keyfile, identifier, key, NULL);
1659         g_free(key);
1660
1661         key = g_strdup_printf("%slocal_address", prefix);
1662         ipconfig->address->local = g_key_file_get_string(
1663                         keyfile, identifier, key, NULL);
1664         g_free(key);
1665
1666         key = g_strdup_printf("%speer_address", prefix);
1667         ipconfig->address->peer = g_key_file_get_string(
1668                                 keyfile, identifier, key, NULL);
1669         g_free(key);
1670
1671         key = g_strdup_printf("%sbroadcast_address", prefix);
1672         ipconfig->address->broadcast = g_key_file_get_string(
1673                                 keyfile, identifier, key, NULL);
1674         g_free(key);
1675
1676         key = g_strdup_printf("%sgateway", prefix);
1677         ipconfig->address->gateway = g_key_file_get_string(
1678                                 keyfile, identifier, key, NULL);
1679         g_free(key);
1680
1681         return 0;
1682 }
1683
1684 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1685                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1686 {
1687         const char *method;
1688         char *key;
1689
1690         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1691
1692         method = __connman_ipconfig_method2string(ipconfig->method);
1693
1694         key = g_strdup_printf("%smethod", prefix);
1695         g_key_file_set_string(keyfile, identifier, key, method);
1696         g_free(key);
1697
1698         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1699         g_key_file_set_integer(keyfile, identifier,
1700                         key, ipconfig->address->prefixlen);
1701         g_free(key);
1702
1703         key = g_strdup_printf("%slocal_address", prefix);
1704         if (ipconfig->address->local != NULL)
1705                 g_key_file_set_string(keyfile, identifier,
1706                                 key, ipconfig->address->local);
1707         g_free(key);
1708
1709         key = g_strdup_printf("%speer_address", prefix);
1710         if (ipconfig->address->peer != NULL)
1711                 g_key_file_set_string(keyfile, identifier,
1712                                 key, ipconfig->address->peer);
1713         g_free(key);
1714
1715         key = g_strdup_printf("%sbroadcast_address", prefix);
1716         if (ipconfig->address->broadcast != NULL)
1717                 g_key_file_set_string(keyfile, identifier,
1718                         key, ipconfig->address->broadcast);
1719         g_free(key);
1720
1721         key = g_strdup_printf("%sgateway", prefix);
1722         if (ipconfig->address->gateway != NULL)
1723                 g_key_file_set_string(keyfile, identifier,
1724                         key, ipconfig->address->gateway);
1725         g_free(key);
1726
1727         return 0;
1728 }
1729
1730 int __connman_ipconfig_init(void)
1731 {
1732         DBG("");
1733
1734         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1735                                                         NULL, free_ipdevice);
1736
1737         return 0;
1738 }
1739
1740 void __connman_ipconfig_cleanup(void)
1741 {
1742         DBG("");
1743
1744         g_hash_table_destroy(ipdevice_hash);
1745         ipdevice_hash = NULL;
1746 }