src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <net/if.h>
  27 #include <net/if_arp.h>
  28 #include <linux/if_link.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31
  32 #ifndef IFF_LOWER_UP
  33 #define IFF_LOWER_UP    0x10000
  34 #endif
  35
  36 #include <gdbus.h>
  37
  38 #include "connman.h"
  39
  40 struct connman_ipconfig {
  41         gint refcount;
  42         int index;
  43         enum connman_ipconfig_type type;
  44
  45         struct connman_ipconfig *origin;
  46
  47         const struct connman_ipconfig_ops *ops;
  48         void *ops_data;
  49
  50         enum connman_ipconfig_method method;
  51         struct connman_ipaddress *address;
  52         struct connman_ipaddress *system;
  53
  54         struct connman_ipconfig *ipv6;
  55 };
  56
  57 struct connman_ipdevice {
  58         int index;
  59         char *ifname;
  60         unsigned short type;
  61         unsigned int flags;
  62         char *address;
  63         uint16_t mtu;
  64         uint32_t rx_packets;
  65         uint32_t tx_packets;
  66         uint32_t rx_bytes;
  67         uint32_t tx_bytes;
  68         uint32_t rx_errors;
  69         uint32_t tx_errors;
  70         uint32_t rx_dropped;
  71         uint32_t tx_dropped;
  72
  73         GSList *address_list;
  74         char *ipv4_gateway;
  75         char *ipv6_gateway;
  76
  77         char *proxy;
  78         char *pac;
  79
  80         struct connman_ipconfig *config;
  81
  82         struct connman_ipconfig_driver *driver;
  83         struct connman_ipconfig *driver_config;
  84 };
  85
  86 static GHashTable *ipdevice_hash = NULL;
  87 static GList *ipconfig_list = NULL;
  88
  89 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  90 {
  91         struct connman_ipaddress *ipaddress;
  92
  93         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  94         if (ipaddress == NULL)
  95                 return NULL;
  96
  97         ipaddress->family = family;
  98         ipaddress->prefixlen = 0;
  99         ipaddress->local = NULL;
 100         ipaddress->peer = NULL;
 101         ipaddress->broadcast = NULL;
 102         ipaddress->gateway = NULL;
 103
 104         return ipaddress;
 105 }
 106
 107 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 108 {
 109         if (ipaddress == NULL)
 110                 return;
 111
 112         g_free(ipaddress->broadcast);
 113         g_free(ipaddress->peer);
 114         g_free(ipaddress->local);
 115         g_free(ipaddress->gateway);
 116         g_free(ipaddress);
 117 }
 118
 119 static unsigned char netmask2prefixlen(const char *netmask)
 120 {
 121         unsigned char bits = 0;
 122         in_addr_t mask = inet_network(netmask);
 123         in_addr_t host = ~mask;
 124
 125         /* a valid netmask must be 2^n - 1 */
 126         if ((host & (host + 1)) != 0)
 127                 return -1;
 128
 129         for (; mask; mask <<= 1)
 130                 ++bits;
 131
 132         return bits;
 133 }
 134
 135 static gboolean check_ipv6_address(const char *address)
 136 {
 137         unsigned char buf[sizeof(struct in6_addr)];
 138         int err;
 139
 140         err = inet_pton(AF_INET6, address, buf);
 141         if (err > 0)
 142                 return TRUE;
 143
 144         return FALSE;
 145 }
 146
 147 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 148                                 const char *address, const char *gateway,
 149                                                 unsigned char prefix_length)
 150 {
 151         if (ipaddress == NULL)
 152                 return -EINVAL;
 153
 154         if (check_ipv6_address(address) == FALSE)
 155                 return -EINVAL;
 156
 157         if (check_ipv6_address(gateway) == FALSE)
 158                 return -EINVAL;
 159
 160         DBG("prefix_len %d address %s gateway %s",
 161                         prefix_length, address, gateway);
 162
 163         ipaddress->prefixlen = prefix_length;
 164
 165         g_free(ipaddress->local);
 166         ipaddress->local = g_strdup(address);
 167
 168         g_free(ipaddress->gateway);
 169         ipaddress->gateway = g_strdup(gateway);
 170
 171         return 0;
 172 }
 173
 174 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 175                 const char *address, const char *netmask, const char *gateway)
 176 {
 177         if (ipaddress == NULL)
 178                 return;
 179
 180         if (netmask != NULL)
 181                 ipaddress->prefixlen = netmask2prefixlen(netmask);
 182         else
 183                 ipaddress->prefixlen = 32;
 184
 185         g_free(ipaddress->local);
 186         ipaddress->local = g_strdup(address);
 187
 188         g_free(ipaddress->gateway);
 189         ipaddress->gateway = g_strdup(gateway);
 190 }
 191
 192 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 193 {
 194         if (ipaddress == NULL)
 195                 return;
 196
 197         ipaddress->prefixlen = 0;
 198
 199         g_free(ipaddress->local);
 200         ipaddress->local = NULL;
 201
 202         g_free(ipaddress->peer);
 203         ipaddress->peer = NULL;
 204
 205         g_free(ipaddress->broadcast);
 206         ipaddress->broadcast = NULL;
 207
 208         g_free(ipaddress->gateway);
 209         ipaddress->gateway = NULL;
 210 }
 211
 212 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 213                                         struct connman_ipaddress *source)
 214 {
 215         if (ipaddress == NULL || source == NULL)
 216                 return;
 217
 218         ipaddress->family = source->family;
 219         ipaddress->prefixlen = source->prefixlen;
 220
 221         g_free(ipaddress->local);
 222         ipaddress->local = g_strdup(source->local);
 223
 224         g_free(ipaddress->peer);
 225         ipaddress->peer = g_strdup(source->peer);
 226
 227         g_free(ipaddress->broadcast);
 228         ipaddress->broadcast = g_strdup(source->broadcast);
 229
 230         g_free(ipaddress->gateway);
 231         ipaddress->gateway = g_strdup(source->gateway);
 232 }
 233
 234 static void free_address_list(struct connman_ipdevice *ipdevice)
 235 {
 236         GSList *list;
 237
 238         for (list = ipdevice->address_list; list; list = list->next) {
 239                 struct connman_ipaddress *ipaddress = list->data;
 240
 241                 connman_ipaddress_free(ipaddress);
 242                 list->data = NULL;
 243         }
 244
 245         g_slist_free(ipdevice->address_list);
 246         ipdevice->address_list = NULL;
 247 }
 248
 249 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 250                                 unsigned char prefixlen, const char *local)
 251 {
 252         GSList *list;
 253
 254         for (list = ipdevice->address_list; list; list = list->next) {
 255                 struct connman_ipaddress *ipaddress = list->data;
 256
 257                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 258                                         ipaddress->prefixlen == prefixlen)
 259                         return ipaddress;
 260         }
 261
 262         return NULL;
 263 }
 264
 265 static const char *type2str(unsigned short type)
 266 {
 267         switch (type) {
 268         case ARPHRD_ETHER:
 269                 return "ETHER";
 270         case ARPHRD_LOOPBACK:
 271                 return "LOOPBACK";
 272         case ARPHRD_PPP:
 273                 return "PPP";
 274         case ARPHRD_NONE:
 275                 return "NONE";
 276         case ARPHRD_VOID:
 277                 return "VOID";
 278         }
 279
 280         return "";
 281 }
 282
 283 static const char *scope2str(unsigned char scope)
 284 {
 285         switch (scope) {
 286         case 0:
 287                 return "UNIVERSE";
 288         case 253:
 289                 return "LINK";
 290         }
 291
 292         return "";
 293 }
 294
 295 static void free_ipdevice(gpointer data)
 296 {
 297         struct connman_ipdevice *ipdevice = data;
 298
 299         connman_info("%s {remove} index %d", ipdevice->ifname,
 300                                                         ipdevice->index);
 301
 302         if (ipdevice->config != NULL)
 303                 connman_ipconfig_unref(ipdevice->config);
 304
 305         free_address_list(ipdevice);
 306         g_free(ipdevice->ipv4_gateway);
 307         g_free(ipdevice->ipv6_gateway);
 308         g_free(ipdevice->proxy);
 309         g_free(ipdevice->pac);
 310
 311         g_free(ipdevice->address);
 312         g_free(ipdevice->ifname);
 313         g_free(ipdevice);
 314 }
 315
 316 static GSList *driver_list = NULL;
 317
 318 static gint compare_priority(gconstpointer a, gconstpointer b)
 319 {
 320         const struct connman_ipconfig_driver *driver1 = a;
 321         const struct connman_ipconfig_driver *driver2 = b;
 322
 323         return driver2->priority - driver1->priority;
 324 }
 325
 326 /**
 327  * connman_ipconfig_driver_register:
 328  * @driver: IP configuration driver
 329  *
 330  * Register a new IP configuration driver
 331  *
 332  * Returns: %0 on success
 333  */
 334 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 335 {
 336         DBG("driver %p name %s", driver, driver->name);
 337
 338         driver_list = g_slist_insert_sorted(driver_list, driver,
 339                                                         compare_priority);
 340
 341         return 0;
 342 }
 343
 344 /**
 345  * connman_ipconfig_driver_unregister:
 346  * @driver: IP configuration driver
 347  *
 348  * Remove a previously registered IP configuration driver.
 349  */
 350 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 351 {
 352         DBG("driver %p name %s", driver, driver->name);
 353
 354         driver_list = g_slist_remove(driver_list, driver);
 355 }
 356
 357 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 358 {
 359         GSList *list;
 360
 361         DBG("ipconfig %p", ipdevice->config);
 362
 363         if (ipdevice->config == NULL)
 364                 return;
 365
 366         switch (ipdevice->config->method) {
 367         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 368         case CONNMAN_IPCONFIG_METHOD_OFF:
 369         case CONNMAN_IPCONFIG_METHOD_FIXED:
 370         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 371                 return;
 372         case CONNMAN_IPCONFIG_METHOD_DHCP:
 373                 break;
 374         }
 375
 376         if (ipdevice->driver != NULL)
 377                 return;
 378
 379         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 380         if (ipdevice->driver_config == NULL)
 381                 return;
 382
 383         for (list = driver_list; list; list = list->next) {
 384                 struct connman_ipconfig_driver *driver = list->data;
 385
 386                 if (driver->request(ipdevice->driver_config) == 0) {
 387                         ipdevice->driver = driver;
 388                         break;
 389                 }
 390         }
 391
 392         if (ipdevice->driver == NULL) {
 393                 connman_ipconfig_unref(ipdevice->driver_config);
 394                 ipdevice->driver_config = NULL;
 395         }
 396 }
 397
 398 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 399 {
 400         DBG("ipconfig %p", ipdevice->config);
 401
 402         if (ipdevice->config == NULL)
 403                 return;
 404
 405         if (ipdevice->driver == NULL)
 406                 return;
 407
 408         ipdevice->driver->release(ipdevice->driver_config);
 409
 410         ipdevice->driver = NULL;
 411
 412         connman_ipconfig_unref(ipdevice->driver_config);
 413         ipdevice->driver_config = NULL;
 414
 415         connman_inet_clear_address(ipdevice->index);
 416         connman_inet_clear_ipv6_address(ipdevice->index,
 417                         ipdevice->driver_config->address->local,
 418                         ipdevice->driver_config->address->prefixlen);
 419 }
 420
 421 static void update_stats(struct connman_ipdevice *ipdevice,
 422                                                 struct rtnl_link_stats *stats)
 423 {
 424         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 425                 return;
 426
 427         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 428                                         stats->rx_packets, stats->rx_bytes);
 429         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 430                                         stats->tx_packets, stats->tx_bytes);
 431
 432         if (ipdevice->config == NULL)
 433                 return;
 434
 435         ipdevice->rx_packets = stats->rx_packets;
 436         ipdevice->tx_packets = stats->tx_packets;
 437         ipdevice->rx_bytes = stats->rx_bytes;
 438         ipdevice->tx_bytes = stats->tx_bytes;
 439         ipdevice->rx_errors = stats->rx_errors;
 440         ipdevice->tx_errors = stats->tx_errors;
 441         ipdevice->rx_dropped = stats->rx_dropped;
 442         ipdevice->tx_dropped = stats->tx_dropped;
 443
 444         __connman_service_notify(ipdevice->config,
 445                                 ipdevice->rx_packets, ipdevice->tx_packets,
 446                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 447                                 ipdevice->rx_errors, ipdevice->tx_errors,
 448                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 449 }
 450
 451 void __connman_ipconfig_newlink(int index, unsigned short type,
 452                                 unsigned int flags, const char *address,
 453                                                         unsigned short mtu,
 454                                                 struct rtnl_link_stats *stats)
 455 {
 456         struct connman_ipdevice *ipdevice;
 457         GList *list;
 458         GString *str;
 459         gboolean up = FALSE, down = FALSE;
 460         gboolean lower_up = FALSE, lower_down = FALSE;
 461
 462         DBG("index %d", index);
 463
 464         if (type == ARPHRD_LOOPBACK)
 465                 return;
 466
 467         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 468         if (ipdevice != NULL)
 469                 goto update;
 470
 471         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 472         if (ipdevice == NULL)
 473                 return;
 474
 475         ipdevice->index = index;
 476         ipdevice->ifname = connman_inet_ifname(index);
 477         ipdevice->type = type;
 478
 479         ipdevice->address = g_strdup(address);
 480
 481         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 482
 483         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 484                                                 index, type, type2str(type));
 485
 486 update:
 487         ipdevice->mtu = mtu;
 488
 489         update_stats(ipdevice, stats);
 490
 491         if (flags == ipdevice->flags)
 492                 return;
 493
 494         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 495                 if (flags & IFF_UP)
 496                         up = TRUE;
 497                 else
 498                         down = TRUE;
 499         }
 500
 501         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 502                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 503                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 504                                         (IFF_RUNNING | IFF_LOWER_UP))
 505                         lower_up = TRUE;
 506                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 507                         lower_down = TRUE;
 508         }
 509
 510         ipdevice->flags = flags;
 511
 512         str = g_string_new(NULL);
 513         if (str == NULL)
 514                 return;
 515
 516         if (flags & IFF_UP)
 517                 g_string_append(str, "UP");
 518         else
 519                 g_string_append(str, "DOWN");
 520
 521         if (flags & IFF_RUNNING)
 522                 g_string_append(str, ",RUNNING");
 523
 524         if (flags & IFF_LOWER_UP)
 525                 g_string_append(str, ",LOWER_UP");
 526
 527         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 528                                                         flags, str->str);
 529
 530         g_string_free(str, TRUE);
 531
 532         for (list = g_list_first(ipconfig_list); list;
 533                                                 list = g_list_next(list)) {
 534                 struct connman_ipconfig *ipconfig = list->data;
 535
 536                 if (index != ipconfig->index)
 537                         continue;
 538
 539                 if (ipconfig->ops == NULL)
 540                         continue;
 541
 542                 if (up == TRUE && ipconfig->ops->up)
 543                         ipconfig->ops->up(ipconfig);
 544                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 545                         ipconfig->ops->lower_up(ipconfig);
 546
 547                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 548                         ipconfig->ops->lower_down(ipconfig);
 549                 if (down == TRUE && ipconfig->ops->down)
 550                         ipconfig->ops->down(ipconfig);
 551         }
 552
 553         if (lower_up)
 554                 __connman_ipconfig_lower_up(ipdevice);
 555         if (lower_down)
 556                 __connman_ipconfig_lower_down(ipdevice);
 557 }
 558
 559 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 560 {
 561         struct connman_ipdevice *ipdevice;
 562         GList *list;
 563
 564         DBG("index %d", index);
 565
 566         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 567         if (ipdevice == NULL)
 568                 return;
 569
 570         update_stats(ipdevice, stats);
 571
 572         for (list = g_list_first(ipconfig_list); list;
 573                                                 list = g_list_next(list)) {
 574                 struct connman_ipconfig *ipconfig = list->data;
 575
 576                 if (index != ipconfig->index)
 577                         continue;
 578
 579                 ipconfig->index = -1;
 580
 581                 if (ipconfig->ops == NULL)
 582                         continue;
 583
 584                 if (ipconfig->ops->lower_down)
 585                         ipconfig->ops->lower_down(ipconfig);
 586                 if (ipconfig->ops->down)
 587                         ipconfig->ops->down(ipconfig);
 588         }
 589
 590         __connman_ipconfig_lower_down(ipdevice);
 591
 592         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 593 }
 594
 595 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 596                                 unsigned char prefixlen, const char *address)
 597 {
 598         struct connman_ipdevice *ipdevice;
 599         struct connman_ipaddress *ipaddress;
 600         GList *list;
 601
 602         DBG("index %d", index);
 603
 604         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 605         if (ipdevice == NULL)
 606                 return;
 607
 608         ipaddress = connman_ipaddress_alloc(family);
 609         if (ipaddress == NULL)
 610                 return;
 611
 612         ipaddress->prefixlen = prefixlen;
 613         ipaddress->local = g_strdup(address);
 614
 615         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 616                                                                 ipaddress);
 617
 618         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 619                                                 address, prefixlen, label);
 620
 621         if (ipdevice->config != NULL) {
 622                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 623                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 624                                                         ipaddress);
 625                 else
 626                         connman_ipaddress_copy(ipdevice->config->system,
 627                                                         ipaddress);
 628         }
 629
 630         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 631                 return;
 632
 633         if (g_slist_length(ipdevice->address_list) > 1)
 634                 return;
 635
 636         for (list = g_list_first(ipconfig_list); list;
 637                                                 list = g_list_next(list)) {
 638                 struct connman_ipconfig *ipconfig = list->data;
 639
 640                 if (index != ipconfig->index)
 641                         continue;
 642
 643                 if (ipconfig->ops == NULL)
 644                         continue;
 645
 646                 if (ipconfig->ops->ip_bound)
 647                         ipconfig->ops->ip_bound(ipconfig);
 648         }
 649 }
 650
 651 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 652                                 unsigned char prefixlen, const char *address)
 653 {
 654         struct connman_ipdevice *ipdevice;
 655         struct connman_ipaddress *ipaddress;
 656         GList *list;
 657
 658         DBG("index %d", index);
 659
 660         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 661         if (ipdevice == NULL)
 662                 return;
 663
 664         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 665         if (ipaddress == NULL)
 666                 return;
 667
 668         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 669                                                                 ipaddress);
 670
 671         connman_ipaddress_free(ipaddress);
 672
 673         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 674                                                 address, prefixlen, label);
 675
 676         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 677                 return;
 678
 679         if (g_slist_length(ipdevice->address_list) > 0)
 680                 return;
 681
 682         for (list = g_list_first(ipconfig_list); list;
 683                                                 list = g_list_next(list)) {
 684                 struct connman_ipconfig *ipconfig = list->data;
 685
 686                 if (index != ipconfig->index)
 687                         continue;
 688
 689                 if (ipconfig->ops == NULL)
 690                         continue;
 691
 692                 if (ipconfig->ops->ip_release)
 693                         ipconfig->ops->ip_release(ipconfig);
 694         }
 695 }
 696
 697 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 698                                         const char *dst, const char *gateway)
 699 {
 700         struct connman_ipdevice *ipdevice;
 701
 702         DBG("index %d", index);
 703
 704         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 705         if (ipdevice == NULL)
 706                 return;
 707
 708         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 709                 GSList *list;
 710
 711                 if (family == AF_INET6) {
 712                         g_free(ipdevice->ipv6_gateway);
 713                         ipdevice->ipv6_gateway = g_strdup(gateway);
 714                 } else {
 715                         g_free(ipdevice->ipv4_gateway);
 716                         ipdevice->ipv4_gateway = g_strdup(gateway);
 717                 }
 718
 719                 if (ipdevice->config != NULL &&
 720                                         ipdevice->config->system != NULL) {
 721                         g_free(ipdevice->config->system->gateway);
 722                         ipdevice->config->system->gateway = g_strdup(gateway);
 723                 }
 724
 725                 for (list = ipdevice->address_list; list; list = list->next) {
 726                         struct connman_ipaddress *ipaddress = list->data;
 727
 728                         g_free(ipaddress->gateway);
 729                         ipaddress->gateway = g_strdup(gateway);
 730                 }
 731         }
 732
 733         connman_info("%s {add} route %s gw %s scope %u <%s>",
 734                                         ipdevice->ifname, dst, gateway,
 735                                                 scope, scope2str(scope));
 736 }
 737
 738 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 739                                         const char *dst, const char *gateway)
 740 {
 741         struct connman_ipdevice *ipdevice;
 742
 743         DBG("index %d", index);
 744
 745         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 746         if (ipdevice == NULL)
 747                 return;
 748
 749         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 750                 GSList *list;
 751
 752                 if (family == AF_INET6) {
 753                         g_free(ipdevice->ipv6_gateway);
 754                         ipdevice->ipv6_gateway = NULL;
 755                 } else {
 756                         g_free(ipdevice->ipv4_gateway);
 757                         ipdevice->ipv4_gateway = NULL;
 758                 }
 759
 760                 if (ipdevice->config != NULL &&
 761                                         ipdevice->config->system != NULL) {
 762                         g_free(ipdevice->config->system->gateway);
 763                         ipdevice->config->system->gateway = NULL;
 764                 }
 765
 766                 for (list = ipdevice->address_list; list; list = list->next) {
 767                         struct connman_ipaddress *ipaddress = list->data;
 768
 769                         g_free(ipaddress->gateway);
 770                         ipaddress->gateway = NULL;
 771                 }
 772         }
 773
 774         connman_info("%s {del} route %s gw %s scope %u <%s>",
 775                                         ipdevice->ifname, dst, gateway,
 776                                                 scope, scope2str(scope));
 777 }
 778
 779 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 780                                                         void *user_data)
 781 {
 782         GList *list, *keys;
 783
 784         keys = g_hash_table_get_keys(ipdevice_hash);
 785         if (keys == NULL)
 786                 return;
 787
 788         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 789                 int index = GPOINTER_TO_INT(list->data);
 790
 791                 function(index, user_data);
 792         }
 793
 794         g_list_free(keys);
 795 }
 796
 797 unsigned short __connman_ipconfig_get_type(int index)
 798 {
 799         struct connman_ipdevice *ipdevice;
 800
 801         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 802         if (ipdevice == NULL)
 803                 return ARPHRD_VOID;
 804
 805         return ipdevice->type;
 806 }
 807
 808 unsigned int __connman_ipconfig_get_flags(int index)
 809 {
 810         struct connman_ipdevice *ipdevice;
 811
 812         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 813         if (ipdevice == NULL)
 814                 return 0;
 815
 816         return ipdevice->flags;
 817 }
 818
 819 const char *__connman_ipconfig_get_gateway(int index)
 820 {
 821         struct connman_ipdevice *ipdevice;
 822
 823         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 824         if (ipdevice == NULL)
 825                 return NULL;
 826
 827         if (ipdevice->ipv4_gateway != NULL)
 828                 return ipdevice->ipv4_gateway;
 829
 830         if (ipdevice->config != NULL &&
 831                         ipdevice->config->address != NULL)
 832                 return ipdevice->config->address->gateway;
 833
 834         return NULL;
 835 }
 836
 837 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 838 {
 839         ipconfig->index = index;
 840
 841         if (ipconfig->ipv6 != NULL)
 842                 ipconfig->ipv6->index = index;
 843 }
 844
 845 static struct connman_ipconfig *create_ipv6config(int index)
 846 {
 847         struct connman_ipconfig *ipv6config;
 848
 849         DBG("index %d", index);
 850
 851         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 852         if (ipv6config == NULL)
 853                 return NULL;
 854
 855         ipv6config->index = index;
 856         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 857         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
 858
 859         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 860         if (ipv6config->address == NULL) {
 861                 g_free(ipv6config);
 862                 return NULL;
 863         }
 864
 865         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 866
 867         ipv6config->ipv6 = NULL;
 868
 869         DBG("ipconfig %p", ipv6config);
 870
 871         return ipv6config;
 872 }
 873
 874 /**
 875  * connman_ipconfig_create:
 876  *
 877  * Allocate a new ipconfig structure.
 878  *
 879  * Returns: a newly-allocated #connman_ipconfig structure
 880  */
 881 struct connman_ipconfig *connman_ipconfig_create(int index)
 882 {
 883         struct connman_ipconfig *ipconfig;
 884
 885         DBG("index %d", index);
 886
 887         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 888         if (ipconfig == NULL)
 889                 return NULL;
 890
 891         ipconfig->refcount = 1;
 892
 893         ipconfig->index = index;
 894         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 895
 896         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 897         if (ipconfig->address == NULL) {
 898                 g_free(ipconfig);
 899                 return NULL;
 900         }
 901
 902         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 903
 904         ipconfig->ipv6 = create_ipv6config(index);
 905
 906         DBG("ipconfig %p", ipconfig);
 907
 908         return ipconfig;
 909 }
 910
 911 /**
 912  * connman_ipconfig_clone:
 913  *
 914  * Clone an ipconfig structure and create new reference.
 915  *
 916  * Returns: a newly-allocated #connman_ipconfig structure
 917  */
 918 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 919 {
 920         struct connman_ipconfig *ipconfig_clone;
 921
 922         DBG("ipconfig %p", ipconfig);
 923
 924         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 925         if (ipconfig_clone == NULL)
 926                 return NULL;
 927
 928         ipconfig_clone->refcount = 1;
 929
 930         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 931
 932         ipconfig_clone->index = -1;
 933
 934         return ipconfig_clone;
 935 }
 936
 937 /**
 938  * connman_ipconfig_ref:
 939  * @ipconfig: ipconfig structure
 940  *
 941  * Increase reference counter of ipconfig
 942  */
 943 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 944 {
 945         g_atomic_int_inc(&ipconfig->refcount);
 946
 947         return ipconfig;
 948 }
 949
 950 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
 951 {
 952         if (ipconfig == NULL)
 953                 return;
 954
 955         connman_ipconfig_set_ops(ipconfig, NULL);
 956         connman_ipaddress_free(ipconfig->system);
 957         connman_ipaddress_free(ipconfig->address);
 958         g_free(ipconfig->ipv6);
 959 }
 960
 961 /**
 962  * connman_ipconfig_unref:
 963  * @ipconfig: ipconfig structure
 964  *
 965  * Decrease reference counter of ipconfig
 966  */
 967 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 968 {
 969         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 970                 __connman_ipconfig_disable(ipconfig);
 971
 972                 connman_ipconfig_set_ops(ipconfig, NULL);
 973
 974                 if (ipconfig->origin != NULL) {
 975                         connman_ipconfig_unref(ipconfig->origin);
 976                         ipconfig->origin = NULL;
 977                 }
 978
 979                 connman_ipaddress_free(ipconfig->system);
 980                 connman_ipaddress_free(ipconfig->address);
 981                 free_ipv6config(ipconfig->ipv6);
 982                 g_free(ipconfig);
 983         }
 984 }
 985
 986 /**
 987  * connman_ipconfig_get_data:
 988  * @ipconfig: ipconfig structure
 989  *
 990  * Get private data pointer
 991  */
 992 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 993 {
 994         return ipconfig->ops_data;
 995 }
 996
 997 /**
 998  * connman_ipconfig_set_data:
 999  * @ipconfig: ipconfig structure
1000  * @data: data pointer
1001  *
1002  * Set private data pointer
1003  */
1004 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1005 {
1006         ipconfig->ops_data = data;
1007 }
1008
1009 /**
1010  * connman_ipconfig_get_index:
1011  * @ipconfig: ipconfig structure
1012  *
1013  * Get interface index
1014  */
1015 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1016 {
1017         if (ipconfig == NULL)
1018                 return -1;
1019
1020         if (ipconfig->origin != NULL)
1021                 return ipconfig->origin->index;
1022
1023         return ipconfig->index;
1024 }
1025
1026 /**
1027  * connman_ipconfig_get_ifname:
1028  * @ipconfig: ipconfig structure
1029  *
1030  * Get interface name
1031  */
1032 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1033 {
1034         struct connman_ipdevice *ipdevice;
1035
1036         if (ipconfig == NULL)
1037                 return NULL;
1038
1039         if (ipconfig->index < 0)
1040                 return NULL;
1041
1042         ipdevice = g_hash_table_lookup(ipdevice_hash,
1043                                         GINT_TO_POINTER(ipconfig->index));
1044         if (ipdevice == NULL)
1045                 return NULL;
1046
1047         return ipdevice->ifname;
1048 }
1049
1050 /**
1051  * connman_ipconfig_set_ops:
1052  * @ipconfig: ipconfig structure
1053  * @ops: operation callbacks
1054  *
1055  * Set the operation callbacks
1056  */
1057 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1058                                 const struct connman_ipconfig_ops *ops)
1059 {
1060         ipconfig->ops = ops;
1061 }
1062
1063 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1064                                 struct connman_ipconfig *ipconfig)
1065 {
1066         if (ipconfig == NULL)
1067                 return NULL;
1068
1069         return ipconfig->ipv6;
1070 }
1071
1072 /**
1073  * connman_ipconfig_set_method:
1074  * @ipconfig: ipconfig structure
1075  * @method: configuration method
1076  *
1077  * Set the configuration method
1078  */
1079 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1080                                         enum connman_ipconfig_method method)
1081 {
1082         ipconfig->method = method;
1083
1084         return 0;
1085 }
1086
1087 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1088 {
1089         if (ipconfig == NULL)
1090                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1091
1092         return ipconfig->method;
1093 }
1094
1095 /**
1096  * connman_ipconfig_bind:
1097  * @ipconfig: ipconfig structure
1098  * @ipaddress: ipaddress structure
1099  *
1100  * Bind IP address details to configuration
1101  */
1102 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1103                                         struct connman_ipaddress *ipaddress)
1104 {
1105         struct connman_ipconfig *origin;
1106
1107         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1108
1109         connman_ipaddress_copy(origin->address, ipaddress);
1110
1111         connman_inet_set_address(origin->index, origin->address);
1112 }
1113
1114 void __connman_ipconfig_set_element_ipv6_gateway(
1115                         struct connman_ipconfig *ipconfig,
1116                                 struct connman_element *element)
1117 {
1118         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1119 }
1120
1121 /*
1122  * FIXME: The element soulution should be removed in the future
1123  * Set IPv4 and IPv6 gateway
1124  */
1125 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1126                                                 struct connman_element *parent)
1127 {
1128         struct connman_element *connection;
1129
1130         connection = connman_element_create(NULL);
1131
1132         DBG("ipconfig %p", ipconfig);
1133
1134         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1135         connection->index = ipconfig->index;
1136         connection->ipv4.gateway = ipconfig->address->gateway;
1137         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1138
1139         if (connman_element_register(connection, parent) < 0)
1140                 connman_element_unref(connection);
1141
1142         return 0;
1143 }
1144
1145 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1146 {
1147         DBG("");
1148
1149         switch (ipconfig->method) {
1150         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1151         case CONNMAN_IPCONFIG_METHOD_OFF:
1152         case CONNMAN_IPCONFIG_METHOD_FIXED:
1153         case CONNMAN_IPCONFIG_METHOD_DHCP:
1154                 break;
1155         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1156                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1157                         return connman_inet_set_address(ipconfig->index,
1158                                                         ipconfig->address);
1159                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1160                         return connman_inet_set_ipv6_address(
1161                                         ipconfig->index, ipconfig->address);
1162         }
1163
1164         return 0;
1165 }
1166
1167 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1168 {
1169         DBG("");
1170
1171         if (ipconfig == NULL)
1172                 return 0;
1173
1174         DBG("method %d", ipconfig->method);
1175
1176         switch (ipconfig->method) {
1177         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1178         case CONNMAN_IPCONFIG_METHOD_OFF:
1179         case CONNMAN_IPCONFIG_METHOD_FIXED:
1180         case CONNMAN_IPCONFIG_METHOD_DHCP:
1181                 break;
1182         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1183                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1184                         return connman_inet_clear_address(ipconfig->index);
1185                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1186                         return connman_inet_clear_ipv6_address(
1187                                                 ipconfig->index,
1188                                                 ipconfig->address->local,
1189                                                 ipconfig->address->prefixlen);
1190         }
1191
1192         return 0;
1193 }
1194
1195 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1196                                                         const char *url)
1197 {
1198         struct connman_ipdevice *ipdevice;
1199
1200         DBG("ipconfig %p", ipconfig);
1201
1202         if (ipconfig == NULL || ipconfig->index < 0)
1203                 return -ENODEV;
1204
1205         ipdevice = g_hash_table_lookup(ipdevice_hash,
1206                                         GINT_TO_POINTER(ipconfig->index));
1207         if (ipdevice == NULL)
1208                 return -ENXIO;
1209
1210         g_free(ipdevice->pac);
1211         ipdevice->pac = g_strdup(url);
1212
1213         return 0;
1214 }
1215
1216 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1217 {
1218         struct connman_ipdevice *ipdevice;
1219
1220         DBG("ipconfig %p", ipconfig);
1221
1222         if (ipconfig == NULL || ipconfig->index < 0)
1223                 return NULL;
1224
1225         ipdevice = g_hash_table_lookup(ipdevice_hash,
1226                                         GINT_TO_POINTER(ipconfig->index));
1227         if (ipdevice == NULL)
1228                 return NULL;
1229
1230         return ipdevice->pac;
1231 }
1232
1233 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1234 {
1235         struct connman_ipdevice *ipdevice;
1236         gboolean up = FALSE, down = FALSE;
1237         gboolean lower_up = FALSE, lower_down = FALSE;
1238
1239         DBG("ipconfig %p", ipconfig);
1240
1241         if (ipconfig == NULL || ipconfig->index < 0)
1242                 return -ENODEV;
1243
1244         ipdevice = g_hash_table_lookup(ipdevice_hash,
1245                                         GINT_TO_POINTER(ipconfig->index));
1246         if (ipdevice == NULL)
1247                 return -ENXIO;
1248
1249         if (ipdevice->config == ipconfig)
1250                 return -EALREADY;
1251
1252         if (ipdevice->config != NULL) {
1253                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1254
1255                 connman_ipaddress_clear(ipdevice->config->system);
1256
1257                 connman_ipconfig_unref(ipdevice->config);
1258         }
1259
1260         ipdevice->config = connman_ipconfig_ref(ipconfig);
1261
1262         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1263
1264         if (ipdevice->flags & IFF_UP)
1265                 up = TRUE;
1266         else
1267                 down = TRUE;
1268
1269         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1270                         (IFF_RUNNING | IFF_LOWER_UP))
1271                 lower_up = TRUE;
1272         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1273                 lower_down = TRUE;
1274
1275         if (up == TRUE && ipconfig->ops->up)
1276                 ipconfig->ops->up(ipconfig);
1277         if (lower_up == TRUE && ipconfig->ops->lower_up)
1278                 ipconfig->ops->lower_up(ipconfig);
1279
1280         if (lower_down == TRUE && ipconfig->ops->lower_down)
1281                 ipconfig->ops->lower_down(ipconfig);
1282         if (down == TRUE && ipconfig->ops->down)
1283                 ipconfig->ops->down(ipconfig);
1284
1285         return 0;
1286 }
1287
1288 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1289 {
1290         struct connman_ipdevice *ipdevice;
1291
1292         DBG("ipconfig %p", ipconfig);
1293
1294         if (ipconfig == NULL || ipconfig->index < 0)
1295                 return -ENODEV;
1296
1297         ipdevice = g_hash_table_lookup(ipdevice_hash,
1298                                         GINT_TO_POINTER(ipconfig->index));
1299         if (ipdevice == NULL)
1300                 return -ENXIO;
1301
1302         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1303                 return -EINVAL;
1304
1305         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1306
1307         connman_ipaddress_clear(ipdevice->config->system);
1308         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1309
1310         connman_ipconfig_unref(ipdevice->config);
1311         ipdevice->config = NULL;
1312
1313         return 0;
1314 }
1315
1316 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1317 {
1318         switch (method) {
1319         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1320                 break;
1321         case CONNMAN_IPCONFIG_METHOD_OFF:
1322                 return "off";
1323         case CONNMAN_IPCONFIG_METHOD_FIXED:
1324                 return "fixed";
1325         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1326                 return "manual";
1327         case CONNMAN_IPCONFIG_METHOD_DHCP:
1328                 return "dhcp";
1329         }
1330
1331         return NULL;
1332 }
1333
1334 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1335 {
1336         if (g_strcmp0(method, "off") == 0)
1337                 return CONNMAN_IPCONFIG_METHOD_OFF;
1338         else if (g_strcmp0(method, "fixed") == 0)
1339                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1340         else if (g_strcmp0(method, "manual") == 0)
1341                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1342         else if (g_strcmp0(method, "dhcp") == 0)
1343                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1344         else
1345                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1346 }
1347
1348 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1349                                                         DBusMessageIter *iter)
1350 {
1351         const char *str;
1352
1353         DBG("");
1354
1355         str = __connman_ipconfig_method2string(ipconfig->method);
1356         if (str == NULL)
1357                 return;
1358
1359         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1360
1361         if (ipconfig->system == NULL)
1362                 return;
1363
1364         if (ipconfig->system->local != NULL) {
1365                 in_addr_t addr;
1366                 struct in_addr netmask;
1367                 char *mask;
1368
1369                 connman_dbus_dict_append_basic(iter, "Address",
1370                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1371
1372                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1373                 netmask.s_addr = htonl(addr);
1374                 mask = inet_ntoa(netmask);
1375                 connman_dbus_dict_append_basic(iter, "Netmask",
1376                                                 DBUS_TYPE_STRING, &mask);
1377         }
1378
1379         if (ipconfig->system->gateway != NULL)
1380                 connman_dbus_dict_append_basic(iter, "Gateway",
1381                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1382 }
1383
1384 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1385                                                         DBusMessageIter *iter)
1386 {
1387         const char *str;
1388
1389         DBG("");
1390
1391         str = __connman_ipconfig_method2string(ipconfig->method);
1392         if (str == NULL)
1393                 return;
1394
1395         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1396
1397         if (ipconfig->system == NULL)
1398                 return;
1399
1400         if (ipconfig->system->local != NULL) {
1401                 connman_dbus_dict_append_basic(iter, "Address",
1402                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1403                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1404                                                 DBUS_TYPE_BYTE,
1405                                                 &ipconfig->system->prefixlen);
1406         }
1407
1408         if (ipconfig->system->gateway != NULL)
1409                 connman_dbus_dict_append_basic(iter, "Gateway",
1410                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1411 }
1412
1413 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1414                                                         DBusMessageIter *iter)
1415 {
1416         const char *str;
1417
1418         DBG("");
1419
1420         str = __connman_ipconfig_method2string(ipconfig->method);
1421         if (str == NULL)
1422                 return;
1423
1424         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1425
1426         switch (ipconfig->method) {
1427         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1428         case CONNMAN_IPCONFIG_METHOD_OFF:
1429         case CONNMAN_IPCONFIG_METHOD_DHCP:
1430                 return;
1431         case CONNMAN_IPCONFIG_METHOD_FIXED:
1432         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1433                 break;
1434         }
1435
1436         if (ipconfig->address == NULL)
1437                 return;
1438
1439         if (ipconfig->address->local != NULL) {
1440                 connman_dbus_dict_append_basic(iter, "Address",
1441                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1442                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1443                                                 DBUS_TYPE_BYTE,
1444                                                 &ipconfig->address->prefixlen);
1445         }
1446
1447         if (ipconfig->address->gateway != NULL)
1448                 connman_dbus_dict_append_basic(iter, "Gateway",
1449                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1450 }
1451
1452 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1453                                                         DBusMessageIter *iter)
1454 {
1455         const char *str;
1456
1457         DBG("");
1458
1459         str = __connman_ipconfig_method2string(ipconfig->method);
1460         if (str == NULL)
1461                 return;
1462
1463         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1464
1465         switch (ipconfig->method) {
1466         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1467         case CONNMAN_IPCONFIG_METHOD_OFF:
1468         case CONNMAN_IPCONFIG_METHOD_FIXED:
1469         case CONNMAN_IPCONFIG_METHOD_DHCP:
1470                 return;
1471         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1472                 break;
1473         }
1474
1475         if (ipconfig->address == NULL)
1476                 return;
1477
1478         if (ipconfig->address->local != NULL) {
1479                 in_addr_t addr;
1480                 struct in_addr netmask;
1481                 char *mask;
1482
1483                 connman_dbus_dict_append_basic(iter, "Address",
1484                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1485
1486                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1487                 netmask.s_addr = htonl(addr);
1488                 mask = inet_ntoa(netmask);
1489                 connman_dbus_dict_append_basic(iter, "Netmask",
1490                                                 DBUS_TYPE_STRING, &mask);
1491         }
1492
1493         if (ipconfig->address->gateway != NULL)
1494                 connman_dbus_dict_append_basic(iter, "Gateway",
1495                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1496 }
1497
1498 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1499                 enum connman_ipconfig_type type, DBusMessageIter *array)
1500 {
1501         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1502         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1503                         *prefix_length_string = NULL;
1504         int prefix_length = 0;
1505         DBusMessageIter dict;
1506
1507         DBG("ipconfig %p type %d", ipconfig, type);
1508
1509         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1510                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1511                 return -EINVAL;
1512
1513         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1514                 return -EINVAL;
1515
1516         dbus_message_iter_recurse(array, &dict);
1517
1518         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1519                 DBusMessageIter entry;
1520                 const char *key;
1521                 int type;
1522
1523                 dbus_message_iter_recurse(&dict, &entry);
1524
1525                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1526                         return -EINVAL;
1527
1528                 dbus_message_iter_get_basic(&entry, &key);
1529                 dbus_message_iter_next(&entry);
1530
1531                 type = dbus_message_iter_get_arg_type(&entry);
1532
1533                 if (g_str_equal(key, "Method") == TRUE) {
1534                         const char *str;
1535
1536                         if (type != DBUS_TYPE_STRING)
1537                                 return -EINVAL;
1538
1539                         dbus_message_iter_get_basic(&entry, &str);
1540                         method = __connman_ipconfig_string2method(str);
1541                 } else if (g_str_equal(key, "Address") == TRUE) {
1542                         if (type != DBUS_TYPE_STRING)
1543                                 return -EINVAL;
1544
1545                         dbus_message_iter_get_basic(&entry, &address);
1546                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1547                         if (type != DBUS_TYPE_STRING)
1548                                 return -EINVAL;
1549
1550                         dbus_message_iter_get_basic(&entry,
1551                                                         &prefix_length_string);
1552
1553                         prefix_length = atoi(prefix_length_string);
1554                         if (prefix_length < 0 || prefix_length > 128)
1555                                 return -EINVAL;
1556
1557                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1558                         if (type != DBUS_TYPE_STRING)
1559                                 return -EINVAL;
1560
1561                         dbus_message_iter_get_basic(&entry, &netmask);
1562                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1563                         if (type != DBUS_TYPE_STRING)
1564                                 return -EINVAL;
1565
1566                         dbus_message_iter_get_basic(&entry, &gateway);
1567                 }
1568                 dbus_message_iter_next(&dict);
1569         }
1570
1571         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1572                         method, address, netmask, gateway, prefix_length);
1573
1574         switch (method) {
1575         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1576         case CONNMAN_IPCONFIG_METHOD_OFF:
1577         case CONNMAN_IPCONFIG_METHOD_FIXED:
1578                 return -EINVAL;
1579
1580         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1581                 if (address == NULL)
1582                         return -EINVAL;
1583
1584                 ipconfig->method = method;
1585
1586                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1587                         connman_ipaddress_set_ipv4(ipconfig->address,
1588                                                 address, netmask, gateway);
1589                 else
1590                         return connman_ipaddress_set_ipv6(
1591                                         ipconfig->address, address,
1592                                                 gateway, prefix_length);
1593                 break;
1594
1595         case CONNMAN_IPCONFIG_METHOD_DHCP:
1596                 if (ipconfig->method == method)
1597                         return 0;
1598
1599                 ipconfig->method = method;
1600                 break;
1601         }
1602
1603         return 0;
1604 }
1605
1606 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1607                                                         DBusMessageIter *iter)
1608 {
1609         struct connman_ipdevice *ipdevice;
1610         const char *method = "direct";
1611
1612         ipdevice = g_hash_table_lookup(ipdevice_hash,
1613                                         GINT_TO_POINTER(ipconfig->index));
1614         if (ipdevice == NULL)
1615                 goto done;
1616
1617         if (ipdevice->pac == NULL)
1618                 goto done;
1619
1620         method = "auto-config";
1621
1622         connman_dbus_dict_append_basic(iter, "URL",
1623                                         DBUS_TYPE_STRING, &ipdevice->pac);
1624
1625 done:
1626         connman_dbus_dict_append_basic(iter, "Method",
1627                                                 DBUS_TYPE_STRING, &method);
1628 }
1629
1630 void __connman_ipconfig_append_proxyconfig(struct connman_ipconfig *ipconfig,
1631                                                         DBusMessageIter *iter)
1632 {
1633         struct connman_ipdevice *ipdevice;
1634         const char *method = "auto";
1635
1636         ipdevice = g_hash_table_lookup(ipdevice_hash,
1637                                         GINT_TO_POINTER(ipconfig->index));
1638         if (ipdevice == NULL)
1639                 goto done;
1640
1641         if (ipdevice->proxy == NULL)
1642                 goto done;
1643
1644         method = ipdevice->proxy;
1645
1646 done:
1647         connman_dbus_dict_append_basic(iter, "Method",
1648                                                 DBUS_TYPE_STRING, &method);
1649 }
1650
1651 int __connman_ipconfig_set_proxyconfig(struct connman_ipconfig *ipconfig,
1652                                                         DBusMessageIter *array)
1653 {
1654         struct connman_ipdevice *ipdevice;
1655         DBusMessageIter dict;
1656         const char *method;
1657
1658         DBG("ipconfig %p", ipconfig);
1659
1660         ipdevice = g_hash_table_lookup(ipdevice_hash,
1661                                         GINT_TO_POINTER(ipconfig->index));
1662         if (ipdevice == NULL)
1663                 return -ENXIO;
1664
1665         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1666                 return -EINVAL;
1667
1668         dbus_message_iter_recurse(array, &dict);
1669
1670         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1671                 DBusMessageIter entry;
1672                 const char *key;
1673                 int type;
1674
1675                 dbus_message_iter_recurse(&dict, &entry);
1676
1677                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1678                         return -EINVAL;
1679
1680                 dbus_message_iter_get_basic(&entry, &key);
1681                 dbus_message_iter_next(&entry);
1682
1683                 type = dbus_message_iter_get_arg_type(&entry);
1684
1685                 if (g_str_equal(key, "Method") == TRUE) {
1686                         if (type != DBUS_TYPE_STRING)
1687                                 return -EINVAL;
1688
1689                         dbus_message_iter_get_basic(&entry, &method);
1690                         if (strlen(method) == 0)
1691                                 method = NULL;
1692                 }
1693
1694                 dbus_message_iter_next(&dict);
1695         }
1696
1697         DBG("method %s", method);
1698
1699         if (method == NULL)
1700                 return -EINVAL;
1701
1702         if (g_str_equal(method, "auto") == FALSE &&
1703                                 g_str_equal(method, "direct") == FALSE)
1704                 return -EINVAL;
1705
1706         g_free(ipdevice->proxy);
1707         ipdevice->proxy = g_strdup(method);
1708
1709         return 0;
1710 }
1711
1712 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1713                                                         DBusMessageIter *iter)
1714 {
1715         struct connman_ipdevice *ipdevice;
1716         const char *method = "auto";
1717
1718         connman_dbus_dict_append_basic(iter, "Method",
1719                                                 DBUS_TYPE_STRING, &method);
1720
1721         ipdevice = g_hash_table_lookup(ipdevice_hash,
1722                                         GINT_TO_POINTER(ipconfig->index));
1723         if (ipdevice == NULL)
1724                 return;
1725
1726         if (ipdevice->ifname != NULL)
1727                 connman_dbus_dict_append_basic(iter, "Interface",
1728                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1729
1730         if (ipdevice->address != NULL)
1731                 connman_dbus_dict_append_basic(iter, "Address",
1732                                         DBUS_TYPE_STRING, &ipdevice->address);
1733
1734         if (ipdevice->mtu > 0)
1735                 connman_dbus_dict_append_basic(iter, "MTU",
1736                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1737 }
1738
1739 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1740                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1741 {
1742         const char *method;
1743         char *key;
1744
1745         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1746
1747         key = g_strdup_printf("%smethod", prefix);
1748         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1749         if (method == NULL) {
1750                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1751                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1752                 else
1753                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1754         } else
1755                 ipconfig->method = __connman_ipconfig_string2method(method);
1756         g_free(key);
1757
1758         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1759         ipconfig->address->prefixlen = g_key_file_get_integer(
1760                                 keyfile, identifier, key, NULL);
1761         g_free(key);
1762
1763         key = g_strdup_printf("%slocal_address", prefix);
1764         ipconfig->address->local = g_key_file_get_string(
1765                         keyfile, identifier, key, NULL);
1766         g_free(key);
1767
1768         key = g_strdup_printf("%speer_address", prefix);
1769         ipconfig->address->peer = g_key_file_get_string(
1770                                 keyfile, identifier, key, NULL);
1771         g_free(key);
1772
1773         key = g_strdup_printf("%sbroadcast_address", prefix);
1774         ipconfig->address->broadcast = g_key_file_get_string(
1775                                 keyfile, identifier, key, NULL);
1776         g_free(key);
1777
1778         key = g_strdup_printf("%sgateway", prefix);
1779         ipconfig->address->gateway = g_key_file_get_string(
1780                                 keyfile, identifier, key, NULL);
1781         g_free(key);
1782
1783         return 0;
1784 }
1785
1786 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1787                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1788 {
1789         const char *method;
1790         char *key;
1791
1792         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1793
1794         method = __connman_ipconfig_method2string(ipconfig->method);
1795
1796         key = g_strdup_printf("%smethod", prefix);
1797         g_key_file_set_string(keyfile, identifier, key, method);
1798         g_free(key);
1799
1800         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1801         g_key_file_set_integer(keyfile, identifier,
1802                         key, ipconfig->address->prefixlen);
1803         g_free(key);
1804
1805         key = g_strdup_printf("%slocal_address", prefix);
1806         if (ipconfig->address->local != NULL)
1807                 g_key_file_set_string(keyfile, identifier,
1808                                 key, ipconfig->address->local);
1809         g_free(key);
1810
1811         key = g_strdup_printf("%speer_address", prefix);
1812         if (ipconfig->address->peer != NULL)
1813                 g_key_file_set_string(keyfile, identifier,
1814                                 key, ipconfig->address->peer);
1815         g_free(key);
1816
1817         key = g_strdup_printf("%sbroadcast_address", prefix);
1818         if (ipconfig->address->broadcast != NULL)
1819                 g_key_file_set_string(keyfile, identifier,
1820                         key, ipconfig->address->broadcast);
1821         g_free(key);
1822
1823         key = g_strdup_printf("%sgateway", prefix);
1824         if (ipconfig->address->gateway != NULL)
1825                 g_key_file_set_string(keyfile, identifier,
1826                         key, ipconfig->address->gateway);
1827         g_free(key);
1828
1829         return 0;
1830 }
1831
1832 int __connman_ipconfig_init(void)
1833 {
1834         DBG("");
1835
1836         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1837                                                         NULL, free_ipdevice);
1838
1839         return 0;
1840 }
1841
1842 void __connman_ipconfig_cleanup(void)
1843 {
1844         DBG("");
1845
1846         g_hash_table_destroy(ipdevice_hash);
1847         ipdevice_hash = NULL;
1848 }