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 <stdio.h>
  27 #include <net/if.h>
  28 #include <net/if_arp.h>
  29 #include <linux/if_link.h>
  30 #include <string.h>
  31 #include <stdlib.h>
  32
  33 #ifndef IFF_LOWER_UP
  34 #define IFF_LOWER_UP    0x10000
  35 #endif
  36
  37 #include <gdbus.h>
  38
  39 #include "connman.h"
  40
  41 struct connman_ipconfig {
  42         gint refcount;
  43         int index;
  44         enum connman_ipconfig_type type;
  45
  46         struct connman_ipconfig *origin;
  47
  48         const struct connman_ipconfig_ops *ops;
  49         void *ops_data;
  50
  51         enum connman_ipconfig_method method;
  52         struct connman_ipaddress *address;
  53         struct connman_ipaddress *system;
  54 };
  55
  56 struct connman_ipdevice {
  57         int index;
  58         char *ifname;
  59         unsigned short type;
  60         unsigned int flags;
  61         char *address;
  62         uint16_t mtu;
  63         uint32_t rx_packets;
  64         uint32_t tx_packets;
  65         uint32_t rx_bytes;
  66         uint32_t tx_bytes;
  67         uint32_t rx_errors;
  68         uint32_t tx_errors;
  69         uint32_t rx_dropped;
  70         uint32_t tx_dropped;
  71
  72         GSList *address_list;
  73         char *ipv4_gateway;
  74         char *ipv6_gateway;
  75
  76         char *pac;
  77
  78         struct connman_ipconfig *config_ipv4;
  79         struct connman_ipconfig *config_ipv6;
  80
  81         gboolean ipv6_enabled;
  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 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 118 {
 119         unsigned char bits;
 120         in_addr_t mask;
 121         in_addr_t host;
 122
 123         if (netmask == NULL)
 124                 return 32;
 125
 126         mask = inet_network(netmask);
 127         host = ~mask;
 128
 129         /* a valid netmask must be 2^n - 1 */
 130         if ((host & (host + 1)) != 0)
 131                 return -1;
 132
 133         bits = 0;
 134         for (; mask; mask <<= 1)
 135                 ++bits;
 136
 137         return bits;
 138 }
 139
 140 static gboolean check_ipv6_address(const char *address)
 141 {
 142         unsigned char buf[sizeof(struct in6_addr)];
 143         int err;
 144
 145         err = inet_pton(AF_INET6, address, buf);
 146         if (err > 0)
 147                 return TRUE;
 148
 149         return FALSE;
 150 }
 151
 152 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 153                                 const char *address, const char *gateway,
 154                                                 unsigned char prefix_length)
 155 {
 156         if (ipaddress == NULL)
 157                 return -EINVAL;
 158
 159         if (check_ipv6_address(address) == FALSE)
 160                 return -EINVAL;
 161
 162         if (check_ipv6_address(gateway) == FALSE)
 163                 return -EINVAL;
 164
 165         DBG("prefix_len %d address %s gateway %s",
 166                         prefix_length, address, gateway);
 167
 168         ipaddress->prefixlen = prefix_length;
 169
 170         g_free(ipaddress->local);
 171         ipaddress->local = g_strdup(address);
 172
 173         g_free(ipaddress->gateway);
 174         ipaddress->gateway = g_strdup(gateway);
 175
 176         return 0;
 177 }
 178
 179 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 180                 const char *address, const char *netmask, const char *gateway)
 181 {
 182         if (ipaddress == NULL)
 183                 return;
 184
 185         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 186
 187         g_free(ipaddress->local);
 188         ipaddress->local = g_strdup(address);
 189
 190         g_free(ipaddress->gateway);
 191         ipaddress->gateway = g_strdup(gateway);
 192 }
 193
 194 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 195 {
 196         if (ipaddress == NULL)
 197                 return;
 198
 199         ipaddress->prefixlen = 0;
 200
 201         g_free(ipaddress->local);
 202         ipaddress->local = NULL;
 203
 204         g_free(ipaddress->peer);
 205         ipaddress->peer = NULL;
 206
 207         g_free(ipaddress->broadcast);
 208         ipaddress->broadcast = NULL;
 209
 210         g_free(ipaddress->gateway);
 211         ipaddress->gateway = NULL;
 212 }
 213
 214 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 215                                         struct connman_ipaddress *source)
 216 {
 217         if (ipaddress == NULL || source == NULL)
 218                 return;
 219
 220         ipaddress->family = source->family;
 221         ipaddress->prefixlen = source->prefixlen;
 222
 223         g_free(ipaddress->local);
 224         ipaddress->local = g_strdup(source->local);
 225
 226         g_free(ipaddress->peer);
 227         ipaddress->peer = g_strdup(source->peer);
 228
 229         g_free(ipaddress->broadcast);
 230         ipaddress->broadcast = g_strdup(source->broadcast);
 231
 232         g_free(ipaddress->gateway);
 233         ipaddress->gateway = g_strdup(source->gateway);
 234 }
 235
 236 static void free_address_list(struct connman_ipdevice *ipdevice)
 237 {
 238         GSList *list;
 239
 240         for (list = ipdevice->address_list; list; list = list->next) {
 241                 struct connman_ipaddress *ipaddress = list->data;
 242
 243                 connman_ipaddress_free(ipaddress);
 244                 list->data = NULL;
 245         }
 246
 247         g_slist_free(ipdevice->address_list);
 248         ipdevice->address_list = NULL;
 249 }
 250
 251 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 252                                 unsigned char prefixlen, const char *local)
 253 {
 254         GSList *list;
 255
 256         for (list = ipdevice->address_list; list; list = list->next) {
 257                 struct connman_ipaddress *ipaddress = list->data;
 258
 259                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 260                                         ipaddress->prefixlen == prefixlen)
 261                         return ipaddress;
 262         }
 263
 264         return NULL;
 265 }
 266
 267 static const char *type2str(unsigned short type)
 268 {
 269         switch (type) {
 270         case ARPHRD_ETHER:
 271                 return "ETHER";
 272         case ARPHRD_LOOPBACK:
 273                 return "LOOPBACK";
 274         case ARPHRD_PPP:
 275                 return "PPP";
 276         case ARPHRD_NONE:
 277                 return "NONE";
 278         case ARPHRD_VOID:
 279                 return "VOID";
 280         }
 281
 282         return "";
 283 }
 284
 285 static const char *scope2str(unsigned char scope)
 286 {
 287         switch (scope) {
 288         case 0:
 289                 return "UNIVERSE";
 290         case 253:
 291                 return "LINK";
 292         }
 293
 294         return "";
 295 }
 296
 297 static gboolean get_ipv6_state(gchar *ifname)
 298 {
 299         int disabled;
 300         gchar *path;
 301         FILE *f;
 302         gboolean enabled = FALSE;
 303
 304         if (ifname == NULL)
 305                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 306         else
 307                 path = g_strdup_printf(
 308                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 309
 310         if (path == NULL)
 311                 return enabled;
 312
 313         f = fopen(path, "r");
 314
 315         g_free(path);
 316
 317         if (f != NULL) {
 318                 if (fscanf(f, "%d", &disabled) > 0)
 319                         enabled = !disabled;
 320                 fclose(f);
 321         }
 322
 323         return enabled;
 324 }
 325
 326 static void set_ipv6_state(gchar *ifname, gboolean enable)
 327 {
 328         gchar *path;
 329         FILE *f;
 330
 331         if (ifname == NULL)
 332                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 333         else
 334                 path = g_strdup_printf(
 335                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 336
 337         if (path == NULL)
 338                 return;
 339
 340         f = fopen(path, "r+");
 341
 342         g_free(path);
 343
 344         if (f == NULL)
 345                 return;
 346
 347         if (enable == FALSE)
 348                 fprintf(f, "1");
 349         else
 350                 fprintf(f, "0");
 351
 352         fclose(f);
 353 }
 354
 355 static void free_ipdevice(gpointer data)
 356 {
 357         struct connman_ipdevice *ipdevice = data;
 358
 359         connman_info("%s {remove} index %d", ipdevice->ifname,
 360                                                         ipdevice->index);
 361
 362         if (ipdevice->config_ipv4 != NULL) {
 363                 connman_ipconfig_unref(ipdevice->config_ipv4);
 364                 ipdevice->config_ipv4 = NULL;
 365         }
 366
 367         if (ipdevice->config_ipv6 != NULL) {
 368                 connman_ipconfig_unref(ipdevice->config_ipv6);
 369                 ipdevice->config_ipv6 = NULL;
 370         }
 371
 372         free_address_list(ipdevice);
 373         g_free(ipdevice->ipv4_gateway);
 374         g_free(ipdevice->ipv6_gateway);
 375         g_free(ipdevice->pac);
 376
 377         g_free(ipdevice->address);
 378
 379         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 380
 381         g_free(ipdevice->ifname);
 382         g_free(ipdevice);
 383 }
 384
 385 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 386 {
 387         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 388                                         ipdevice->config_ipv6);
 389 }
 390
 391 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 392 {
 393         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 394                                         ipdevice->config_ipv6);
 395
 396         if (ipdevice->config_ipv4)
 397                 connman_inet_clear_address(ipdevice->index,
 398                                         ipdevice->config_ipv4->address);
 399
 400         if (ipdevice->config_ipv6)
 401                 connman_inet_clear_ipv6_address(ipdevice->index,
 402                                 ipdevice->config_ipv6->address->local,
 403                                 ipdevice->config_ipv6->address->prefixlen);
 404 }
 405
 406 static void update_stats(struct connman_ipdevice *ipdevice,
 407                                                 struct rtnl_link_stats *stats)
 408 {
 409         struct connman_service *service;
 410
 411         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 412                 return;
 413
 414         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 415                                         stats->rx_packets, stats->rx_bytes);
 416         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 417                                         stats->tx_packets, stats->tx_bytes);
 418
 419         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 420                 return;
 421
 422         if (ipdevice->config_ipv4)
 423                 service = connman_ipconfig_get_data(ipdevice->config_ipv4);
 424         else if (ipdevice->config_ipv6)
 425                 service = connman_ipconfig_get_data(ipdevice->config_ipv6);
 426         else
 427                 return;
 428
 429         if (service == 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_service_notify(service,
 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->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 477
 478         ipdevice->address = g_strdup(address);
 479
 480         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 481
 482         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 483                                                 index, type, type2str(type));
 484
 485 update:
 486         ipdevice->mtu = mtu;
 487
 488         update_stats(ipdevice, stats);
 489
 490         if (flags == ipdevice->flags)
 491                 return;
 492
 493         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 494                 if (flags & IFF_UP)
 495                         up = TRUE;
 496                 else
 497                         down = TRUE;
 498         }
 499
 500         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 501                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 502                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 503                                         (IFF_RUNNING | IFF_LOWER_UP))
 504                         lower_up = TRUE;
 505                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 506                         lower_down = TRUE;
 507         }
 508
 509         ipdevice->flags = flags;
 510
 511         str = g_string_new(NULL);
 512         if (str == NULL)
 513                 return;
 514
 515         if (flags & IFF_UP)
 516                 g_string_append(str, "UP");
 517         else
 518                 g_string_append(str, "DOWN");
 519
 520         if (flags & IFF_RUNNING)
 521                 g_string_append(str, ",RUNNING");
 522
 523         if (flags & IFF_LOWER_UP)
 524                 g_string_append(str, ",LOWER_UP");
 525
 526         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 527                                                         flags, str->str);
 528
 529         g_string_free(str, TRUE);
 530
 531         for (list = g_list_first(ipconfig_list); list;
 532                                                 list = g_list_next(list)) {
 533                 struct connman_ipconfig *ipconfig = list->data;
 534
 535                 if (index != ipconfig->index)
 536                         continue;
 537
 538                 if (ipconfig->ops == NULL)
 539                         continue;
 540
 541                 if (up == TRUE && ipconfig->ops->up)
 542                         ipconfig->ops->up(ipconfig);
 543                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 544                         ipconfig->ops->lower_up(ipconfig);
 545
 546                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 547                         ipconfig->ops->lower_down(ipconfig);
 548                 if (down == TRUE && ipconfig->ops->down)
 549                         ipconfig->ops->down(ipconfig);
 550         }
 551
 552         if (lower_up)
 553                 __connman_ipconfig_lower_up(ipdevice);
 554         if (lower_down)
 555                 __connman_ipconfig_lower_down(ipdevice);
 556 }
 557
 558 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 559 {
 560         struct connman_ipdevice *ipdevice;
 561         GList *list;
 562
 563         DBG("index %d", index);
 564
 565         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 566         if (ipdevice == NULL)
 567                 return;
 568
 569         update_stats(ipdevice, stats);
 570
 571         for (list = g_list_first(ipconfig_list); list;
 572                                                 list = g_list_next(list)) {
 573                 struct connman_ipconfig *ipconfig = list->data;
 574
 575                 if (index != ipconfig->index)
 576                         continue;
 577
 578                 ipconfig->index = -1;
 579
 580                 if (ipconfig->ops == NULL)
 581                         continue;
 582
 583                 if (ipconfig->ops->lower_down)
 584                         ipconfig->ops->lower_down(ipconfig);
 585                 if (ipconfig->ops->down)
 586                         ipconfig->ops->down(ipconfig);
 587         }
 588
 589         __connman_ipconfig_lower_down(ipdevice);
 590
 591         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 592 }
 593
 594 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 595 {
 596         const struct connman_ipaddress *addr1 = a;
 597         const struct connman_ipaddress *addr2 = b;
 598
 599         if (addr1->prefixlen != addr2->prefixlen)
 600                 return addr2->prefixlen - addr1->prefixlen;
 601
 602         return g_strcmp0(addr1->local, addr2->local);
 603 }
 604
 605 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 606                                 unsigned char prefixlen, const char *address)
 607 {
 608         struct connman_ipdevice *ipdevice;
 609         struct connman_ipaddress *ipaddress;
 610         GList *list;
 611
 612         DBG("index %d", index);
 613
 614         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 615         if (ipdevice == NULL)
 616                 return;
 617
 618         ipaddress = connman_ipaddress_alloc(family);
 619         if (ipaddress == NULL)
 620                 return;
 621
 622         ipaddress->prefixlen = prefixlen;
 623         ipaddress->local = g_strdup(address);
 624
 625         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 626                                         check_duplicate_address)) {
 627                 connman_ipaddress_free(ipaddress);
 628                 return;
 629         }
 630
 631         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 632                                                                 ipaddress);
 633
 634         connman_info("%s {add} address %s/%u label %s family %d",
 635                 ipdevice->ifname, address, prefixlen, label, family);
 636
 637         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 638                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 639                                         ipaddress);
 640
 641         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 642                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 643                                         ipaddress);
 644         else
 645                 return;
 646
 647         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 648                 return;
 649
 650         for (list = g_list_first(ipconfig_list); list;
 651                                                 list = g_list_next(list)) {
 652                 struct connman_ipconfig *ipconfig = list->data;
 653
 654                 if (index != ipconfig->index)
 655                         continue;
 656
 657                 if (ipconfig->ops == NULL)
 658                         continue;
 659
 660                 if (ipconfig->ops->ip_bound)
 661                         ipconfig->ops->ip_bound(ipconfig);
 662         }
 663 }
 664
 665 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 666                                 unsigned char prefixlen, const char *address)
 667 {
 668         struct connman_ipdevice *ipdevice;
 669         struct connman_ipaddress *ipaddress;
 670         GList *list;
 671
 672         DBG("index %d", index);
 673
 674         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 675         if (ipdevice == NULL)
 676                 return;
 677
 678         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 679         if (ipaddress == NULL)
 680                 return;
 681
 682         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 683                                                                 ipaddress);
 684
 685         connman_ipaddress_clear(ipaddress);
 686         g_free(ipaddress);
 687
 688         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 689                                                 address, prefixlen, label);
 690
 691         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 692                 return;
 693
 694         if (g_slist_length(ipdevice->address_list) > 0)
 695                 return;
 696
 697         for (list = g_list_first(ipconfig_list); list;
 698                                                 list = g_list_next(list)) {
 699                 struct connman_ipconfig *ipconfig = list->data;
 700
 701                 if (index != ipconfig->index)
 702                         continue;
 703
 704                 if (ipconfig->ops == NULL)
 705                         continue;
 706
 707                 if (ipconfig->ops->ip_release)
 708                         ipconfig->ops->ip_release(ipconfig);
 709         }
 710 }
 711
 712 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 713                                         const char *dst, const char *gateway)
 714 {
 715         struct connman_ipdevice *ipdevice;
 716
 717         DBG("index %d", index);
 718
 719         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 720         if (ipdevice == NULL)
 721                 return;
 722
 723         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 724                 GSList *list;
 725                 GList *config_list;
 726
 727                 if (family == AF_INET6) {
 728                         g_free(ipdevice->ipv6_gateway);
 729                         ipdevice->ipv6_gateway = g_strdup(gateway);
 730
 731                         if (ipdevice->config_ipv6 != NULL &&
 732                                 ipdevice->config_ipv6->system != NULL) {
 733                                 g_free(ipdevice->config_ipv6->system->gateway);
 734                                 ipdevice->config_ipv6->system->gateway =
 735                                         g_strdup(gateway);
 736                         }
 737                 } else {
 738                         g_free(ipdevice->ipv4_gateway);
 739                         ipdevice->ipv4_gateway = g_strdup(gateway);
 740
 741                         if (ipdevice->config_ipv4 != NULL &&
 742                                 ipdevice->config_ipv4->system != NULL) {
 743                                 g_free(ipdevice->config_ipv4->system->gateway);
 744                                 ipdevice->config_ipv4->system->gateway =
 745                                         g_strdup(gateway);
 746                         }
 747                 }
 748
 749                 for (list = ipdevice->address_list; list; list = list->next) {
 750                         struct connman_ipaddress *ipaddress = list->data;
 751
 752                         g_free(ipaddress->gateway);
 753                         ipaddress->gateway = g_strdup(gateway);
 754                 }
 755
 756                 for (config_list = g_list_first(ipconfig_list); config_list;
 757                                         config_list = g_list_next(config_list)) {
 758                         struct connman_ipconfig *ipconfig = config_list->data;
 759
 760                         if (index != ipconfig->index)
 761                                 continue;
 762
 763                         if (ipconfig->ops == NULL)
 764                                 continue;
 765
 766                         if (ipconfig->ops->ip_bound)
 767                                 ipconfig->ops->ip_bound(ipconfig);
 768                 }
 769         }
 770
 771         connman_info("%s {add} route %s gw %s scope %u <%s>",
 772                                         ipdevice->ifname, dst, gateway,
 773                                                 scope, scope2str(scope));
 774 }
 775
 776 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 777                                         const char *dst, const char *gateway)
 778 {
 779         struct connman_ipdevice *ipdevice;
 780
 781         DBG("index %d", index);
 782
 783         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 784         if (ipdevice == NULL)
 785                 return;
 786
 787         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 788                 GSList *list;
 789                 GList *config_list;
 790
 791                 if (family == AF_INET6) {
 792                         g_free(ipdevice->ipv6_gateway);
 793                         ipdevice->ipv6_gateway = NULL;
 794
 795                         if (ipdevice->config_ipv6 != NULL &&
 796                                 ipdevice->config_ipv6->system != NULL) {
 797                                 g_free(ipdevice->config_ipv6->system->gateway);
 798                                 ipdevice->config_ipv6->system->gateway = NULL;
 799                         }
 800                 } else {
 801                         g_free(ipdevice->ipv4_gateway);
 802                         ipdevice->ipv4_gateway = NULL;
 803
 804                         if (ipdevice->config_ipv4 != NULL &&
 805                                 ipdevice->config_ipv4->system != NULL) {
 806                                 g_free(ipdevice->config_ipv4->system->gateway);
 807                                 ipdevice->config_ipv4->system->gateway = NULL;
 808                         }
 809                 }
 810
 811                 for (list = ipdevice->address_list; list; list = list->next) {
 812                         struct connman_ipaddress *ipaddress = list->data;
 813
 814                         g_free(ipaddress->gateway);
 815                         ipaddress->gateway = NULL;
 816                 }
 817
 818                 for (config_list = g_list_first(ipconfig_list); config_list;
 819                                         config_list = g_list_next(config_list)) {
 820                         struct connman_ipconfig *ipconfig = config_list->data;
 821
 822                         if (index != ipconfig->index)
 823                                 continue;
 824
 825                         if (ipconfig->ops == NULL)
 826                                 continue;
 827
 828                         if (ipconfig->ops->ip_release)
 829                                 ipconfig->ops->ip_release(ipconfig);
 830                 }
 831         }
 832
 833         connman_info("%s {del} route %s gw %s scope %u <%s>",
 834                                         ipdevice->ifname, dst, gateway,
 835                                                 scope, scope2str(scope));
 836 }
 837
 838 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 839                                                         void *user_data)
 840 {
 841         GList *list, *keys;
 842
 843         keys = g_hash_table_get_keys(ipdevice_hash);
 844         if (keys == NULL)
 845                 return;
 846
 847         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 848                 int index = GPOINTER_TO_INT(list->data);
 849
 850                 function(index, user_data);
 851         }
 852
 853         g_list_free(keys);
 854 }
 855
 856 unsigned short __connman_ipconfig_get_type(int index)
 857 {
 858         struct connman_ipdevice *ipdevice;
 859
 860         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 861         if (ipdevice == NULL)
 862                 return ARPHRD_VOID;
 863
 864         return ipdevice->type;
 865 }
 866
 867 unsigned int __connman_ipconfig_get_flags(int index)
 868 {
 869         struct connman_ipdevice *ipdevice;
 870
 871         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 872         if (ipdevice == NULL)
 873                 return 0;
 874
 875         return ipdevice->flags;
 876 }
 877
 878 const char *__connman_ipconfig_get_gateway(int index)
 879 {
 880         struct connman_ipdevice *ipdevice;
 881
 882         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 883         if (ipdevice == NULL)
 884                 return NULL;
 885
 886         if (ipdevice->ipv4_gateway != NULL)
 887                 return ipdevice->ipv4_gateway;
 888
 889         if (ipdevice->config_ipv4 != NULL &&
 890                         ipdevice->config_ipv4->address != NULL)
 891                 return ipdevice->config_ipv4->address->gateway;
 892
 893         if (ipdevice->ipv6_gateway != NULL)
 894                 return ipdevice->ipv6_gateway;
 895
 896         if (ipdevice->config_ipv6 != NULL &&
 897                         ipdevice->config_ipv6->address != NULL)
 898                 return ipdevice->config_ipv6->address->gateway;
 899
 900         return NULL;
 901 }
 902
 903 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 904 {
 905         ipconfig->index = index;
 906 }
 907
 908 static struct connman_ipconfig *create_ipv6config(int index)
 909 {
 910         struct connman_ipconfig *ipv6config;
 911
 912         DBG("index %d", index);
 913
 914         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 915         if (ipv6config == NULL)
 916                 return NULL;
 917
 918         ipv6config->refcount = 1;
 919
 920         ipv6config->index = index;
 921         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 922         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
 923
 924         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 925         if (ipv6config->address == NULL) {
 926                 g_free(ipv6config);
 927                 return NULL;
 928         }
 929
 930         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 931
 932         DBG("ipconfig %p", ipv6config);
 933
 934         return ipv6config;
 935 }
 936
 937 /**
 938  * connman_ipconfig_create:
 939  *
 940  * Allocate a new ipconfig structure.
 941  *
 942  * Returns: a newly-allocated #connman_ipconfig structure
 943  */
 944 struct connman_ipconfig *connman_ipconfig_create(int index,
 945                                         enum connman_ipconfig_type type)
 946 {
 947         struct connman_ipconfig *ipconfig;
 948
 949         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 950                 return create_ipv6config(index);
 951
 952         DBG("index %d", index);
 953
 954         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 955         if (ipconfig == NULL)
 956                 return NULL;
 957
 958         ipconfig->refcount = 1;
 959
 960         ipconfig->index = index;
 961         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 962
 963         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 964         if (ipconfig->address == NULL) {
 965                 g_free(ipconfig);
 966                 return NULL;
 967         }
 968
 969         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 970
 971         DBG("ipconfig %p", ipconfig);
 972
 973         return ipconfig;
 974 }
 975
 976
 977 /**
 978  * connman_ipconfig_ref:
 979  * @ipconfig: ipconfig structure
 980  *
 981  * Increase reference counter of ipconfig
 982  */
 983 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 984 {
 985         DBG("ipconfig %p refcount %d", ipconfig,
 986                                 g_atomic_int_get(&ipconfig->refcount) + 1);
 987
 988         g_atomic_int_inc(&ipconfig->refcount);
 989
 990         return ipconfig;
 991 }
 992
 993 /**
 994  * connman_ipconfig_unref:
 995  * @ipconfig: ipconfig structure
 996  *
 997  * Decrease reference counter of ipconfig
 998  */
 999 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1000 {
1001         if (ipconfig == NULL)
1002                 return;
1003
1004         DBG("ipconfig %p refcount %d", ipconfig,
1005                         g_atomic_int_get(&ipconfig->refcount) - 1);
1006
1007         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1008                 __connman_ipconfig_disable(ipconfig);
1009
1010                 connman_ipconfig_set_ops(ipconfig, NULL);
1011
1012                 if (ipconfig->origin != NULL) {
1013                         connman_ipconfig_unref(ipconfig->origin);
1014                         ipconfig->origin = NULL;
1015                 }
1016
1017                 connman_ipaddress_free(ipconfig->system);
1018                 connman_ipaddress_free(ipconfig->address);
1019                 g_free(ipconfig);
1020         }
1021 }
1022
1023 /**
1024  * connman_ipconfig_get_data:
1025  * @ipconfig: ipconfig structure
1026  *
1027  * Get private data pointer
1028  */
1029 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1030 {
1031         if (ipconfig == NULL)
1032                 return NULL;
1033
1034         return ipconfig->ops_data;
1035 }
1036
1037 /**
1038  * connman_ipconfig_set_data:
1039  * @ipconfig: ipconfig structure
1040  * @data: data pointer
1041  *
1042  * Set private data pointer
1043  */
1044 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1045 {
1046         ipconfig->ops_data = data;
1047 }
1048
1049 /**
1050  * connman_ipconfig_get_index:
1051  * @ipconfig: ipconfig structure
1052  *
1053  * Get interface index
1054  */
1055 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1056 {
1057         if (ipconfig == NULL)
1058                 return -1;
1059
1060         if (ipconfig->origin != NULL)
1061                 return ipconfig->origin->index;
1062
1063         return ipconfig->index;
1064 }
1065
1066 /**
1067  * connman_ipconfig_get_ifname:
1068  * @ipconfig: ipconfig structure
1069  *
1070  * Get interface name
1071  */
1072 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1073 {
1074         struct connman_ipdevice *ipdevice;
1075
1076         if (ipconfig == NULL)
1077                 return NULL;
1078
1079         if (ipconfig->index < 0)
1080                 return NULL;
1081
1082         ipdevice = g_hash_table_lookup(ipdevice_hash,
1083                                         GINT_TO_POINTER(ipconfig->index));
1084         if (ipdevice == NULL)
1085                 return NULL;
1086
1087         return ipdevice->ifname;
1088 }
1089
1090 /**
1091  * connman_ipconfig_set_ops:
1092  * @ipconfig: ipconfig structure
1093  * @ops: operation callbacks
1094  *
1095  * Set the operation callbacks
1096  */
1097 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1098                                 const struct connman_ipconfig_ops *ops)
1099 {
1100         ipconfig->ops = ops;
1101 }
1102
1103 /**
1104  * connman_ipconfig_set_method:
1105  * @ipconfig: ipconfig structure
1106  * @method: configuration method
1107  *
1108  * Set the configuration method
1109  */
1110 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1111                                         enum connman_ipconfig_method method)
1112 {
1113         ipconfig->method = method;
1114
1115         return 0;
1116 }
1117
1118 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1119 {
1120         if (ipconfig == NULL)
1121                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1122
1123         return ipconfig->method;
1124 }
1125
1126 /**
1127  * connman_ipconfig_bind:
1128  * @ipconfig: ipconfig structure
1129  * @ipaddress: ipaddress structure
1130  *
1131  * Bind IP address details to configuration
1132  */
1133 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1134                                         struct connman_ipaddress *ipaddress)
1135 {
1136         struct connman_ipconfig *origin;
1137
1138         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1139
1140         connman_ipaddress_copy(origin->address, ipaddress);
1141
1142         connman_inet_set_address(origin->index, origin->address);
1143 }
1144
1145 void __connman_ipconfig_set_element_ipv6_gateway(
1146                         struct connman_ipconfig *ipconfig,
1147                                 struct connman_element *element)
1148 {
1149         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1150                 element->ipv6.gateway = ipconfig->address->gateway;
1151 }
1152
1153 /*
1154  * FIXME: The element soulution should be removed in the future
1155  * Set IPv4 and IPv6 gateway
1156  */
1157 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1158                                                 struct connman_element *parent)
1159 {
1160         struct connman_element *connection;
1161
1162         connection = connman_element_create(NULL);
1163
1164         DBG("ipconfig %p", ipconfig);
1165
1166         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1167         connection->index = ipconfig->index;
1168
1169         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1170                 connection->ipv4.gateway = ipconfig->address->gateway;
1171         else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1172                 connection->ipv6.gateway = ipconfig->address->gateway;
1173
1174         if (connman_element_register(connection, parent) < 0)
1175                 connman_element_unref(connection);
1176
1177         return 0;
1178 }
1179
1180 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1181 {
1182         DBG("");
1183
1184         switch (ipconfig->method) {
1185         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1186         case CONNMAN_IPCONFIG_METHOD_OFF:
1187         case CONNMAN_IPCONFIG_METHOD_FIXED:
1188         case CONNMAN_IPCONFIG_METHOD_DHCP:
1189         case CONNMAN_IPCONFIG_METHOD_AUTO:
1190                 break;
1191         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1192                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1193                         return connman_inet_set_address(ipconfig->index,
1194                                                         ipconfig->address);
1195                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1196                         return connman_inet_set_ipv6_address(
1197                                         ipconfig->index, ipconfig->address);
1198         }
1199
1200         return 0;
1201 }
1202
1203 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1204 {
1205         DBG("");
1206
1207         if (ipconfig == NULL)
1208                 return 0;
1209
1210         DBG("method %d", ipconfig->method);
1211
1212         switch (ipconfig->method) {
1213         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1214         case CONNMAN_IPCONFIG_METHOD_OFF:
1215         case CONNMAN_IPCONFIG_METHOD_FIXED:
1216         case CONNMAN_IPCONFIG_METHOD_DHCP:
1217         case CONNMAN_IPCONFIG_METHOD_AUTO:
1218                 break;
1219         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1220                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1221                         return connman_inet_clear_address(ipconfig->index,
1222                                                         ipconfig->address);
1223                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1224                         return connman_inet_clear_ipv6_address(
1225                                                 ipconfig->index,
1226                                                 ipconfig->address->local,
1227                                                 ipconfig->address->prefixlen);
1228         }
1229
1230         return 0;
1231 }
1232
1233 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1234                                                         const char *url)
1235 {
1236         struct connman_ipdevice *ipdevice;
1237
1238         DBG("ipconfig %p", ipconfig);
1239
1240         if (ipconfig == NULL || ipconfig->index < 0)
1241                 return -ENODEV;
1242
1243         ipdevice = g_hash_table_lookup(ipdevice_hash,
1244                                         GINT_TO_POINTER(ipconfig->index));
1245         if (ipdevice == NULL)
1246                 return -ENXIO;
1247
1248         g_free(ipdevice->pac);
1249         ipdevice->pac = g_strdup(url);
1250
1251         return 0;
1252 }
1253
1254 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1255 {
1256         struct connman_ipdevice *ipdevice;
1257
1258         DBG("ipconfig %p", ipconfig);
1259
1260         if (ipconfig == NULL || ipconfig->index < 0)
1261                 return NULL;
1262
1263         ipdevice = g_hash_table_lookup(ipdevice_hash,
1264                                         GINT_TO_POINTER(ipconfig->index));
1265         if (ipdevice == NULL)
1266                 return NULL;
1267
1268         return ipdevice->pac;
1269 }
1270
1271 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1272 {
1273         struct connman_ipdevice *ipdevice;
1274         gboolean up = FALSE, down = FALSE;
1275         gboolean lower_up = FALSE, lower_down = FALSE;
1276         enum connman_ipconfig_type type;
1277
1278         DBG("ipconfig %p", ipconfig);
1279
1280         if (ipconfig == NULL || ipconfig->index < 0)
1281                 return -ENODEV;
1282
1283         ipdevice = g_hash_table_lookup(ipdevice_hash,
1284                                         GINT_TO_POINTER(ipconfig->index));
1285         if (ipdevice == NULL)
1286                 return -ENXIO;
1287
1288         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1289                 if (ipdevice->config_ipv4 == ipconfig)
1290                         return -EALREADY;
1291                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1292         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1293                 if (ipdevice->config_ipv6 == ipconfig)
1294                         return -EALREADY;
1295                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1296         } else
1297                 return -EINVAL;
1298
1299         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1300                                         ipdevice->config_ipv4 != NULL) {
1301                 ipconfig_list = g_list_remove(ipconfig_list,
1302                                                         ipdevice->config_ipv4);
1303
1304                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1305
1306                 connman_ipconfig_unref(ipdevice->config_ipv4);
1307         }
1308
1309         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1310                                         ipdevice->config_ipv6 != NULL) {
1311                 ipconfig_list = g_list_remove(ipconfig_list,
1312                                                         ipdevice->config_ipv6);
1313
1314                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1315
1316                 connman_ipconfig_unref(ipdevice->config_ipv6);
1317         }
1318
1319         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1320                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1321         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1322                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1323
1324         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1325
1326         if (ipdevice->flags & IFF_UP)
1327                 up = TRUE;
1328         else
1329                 down = TRUE;
1330
1331         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1332                         (IFF_RUNNING | IFF_LOWER_UP))
1333                 lower_up = TRUE;
1334         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1335                 lower_down = TRUE;
1336
1337         if (up == TRUE && ipconfig->ops->up)
1338                 ipconfig->ops->up(ipconfig);
1339         if (lower_up == TRUE && ipconfig->ops->lower_up)
1340                 ipconfig->ops->lower_up(ipconfig);
1341
1342         if (lower_down == TRUE && ipconfig->ops->lower_down)
1343                 ipconfig->ops->lower_down(ipconfig);
1344         if (down == TRUE && ipconfig->ops->down)
1345                 ipconfig->ops->down(ipconfig);
1346
1347         return 0;
1348 }
1349
1350 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1351 {
1352         struct connman_ipdevice *ipdevice;
1353
1354         DBG("ipconfig %p", ipconfig);
1355
1356         if (ipconfig == NULL || ipconfig->index < 0)
1357                 return -ENODEV;
1358
1359         ipdevice = g_hash_table_lookup(ipdevice_hash,
1360                                         GINT_TO_POINTER(ipconfig->index));
1361         if (ipdevice == NULL)
1362                 return -ENXIO;
1363
1364         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1365                 return -EINVAL;
1366
1367         if (ipdevice->config_ipv4 == ipconfig) {
1368                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1369
1370                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1371                 connman_ipconfig_unref(ipdevice->config_ipv4);
1372                 ipdevice->config_ipv4 = NULL;
1373                 return 0;
1374         }
1375
1376         if (ipdevice->config_ipv6 == ipconfig) {
1377                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1378
1379                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1380                 connman_ipconfig_unref(ipdevice->config_ipv6);
1381                 ipdevice->config_ipv6 = NULL;
1382                 return 0;
1383         }
1384
1385         return -EINVAL;
1386 }
1387
1388 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1389 {
1390         switch (method) {
1391         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1392                 break;
1393         case CONNMAN_IPCONFIG_METHOD_OFF:
1394                 return "off";
1395         case CONNMAN_IPCONFIG_METHOD_FIXED:
1396                 return "fixed";
1397         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1398                 return "manual";
1399         case CONNMAN_IPCONFIG_METHOD_DHCP:
1400                 return "dhcp";
1401         case CONNMAN_IPCONFIG_METHOD_AUTO:
1402                 return "auto";
1403         }
1404
1405         return NULL;
1406 }
1407
1408 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1409 {
1410         if (g_strcmp0(method, "off") == 0)
1411                 return CONNMAN_IPCONFIG_METHOD_OFF;
1412         else if (g_strcmp0(method, "fixed") == 0)
1413                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1414         else if (g_strcmp0(method, "manual") == 0)
1415                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1416         else if (g_strcmp0(method, "dhcp") == 0)
1417                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1418         else if (g_strcmp0(method, "auto") == 0)
1419                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1420         else
1421                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1422 }
1423
1424 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1425                                                         DBusMessageIter *iter)
1426 {
1427         const char *str;
1428
1429         DBG("");
1430
1431         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1432                 return;
1433
1434         str = __connman_ipconfig_method2string(ipconfig->method);
1435         if (str == NULL)
1436                 return;
1437
1438         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1439
1440         if (ipconfig->system == NULL)
1441                 return;
1442
1443         if (ipconfig->system->local != NULL) {
1444                 in_addr_t addr;
1445                 struct in_addr netmask;
1446                 char *mask;
1447
1448                 connman_dbus_dict_append_basic(iter, "Address",
1449                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1450
1451                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1452                 netmask.s_addr = htonl(addr);
1453                 mask = inet_ntoa(netmask);
1454                 connman_dbus_dict_append_basic(iter, "Netmask",
1455                                                 DBUS_TYPE_STRING, &mask);
1456         }
1457
1458         if (ipconfig->system->gateway != NULL)
1459                 connman_dbus_dict_append_basic(iter, "Gateway",
1460                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1461 }
1462
1463 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1464                                                         DBusMessageIter *iter)
1465 {
1466         const char *str;
1467
1468         DBG("");
1469
1470         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1471                 return;
1472
1473         str = __connman_ipconfig_method2string(ipconfig->method);
1474         if (str == NULL)
1475                 return;
1476
1477         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1478
1479         if (ipconfig->system == NULL)
1480                 return;
1481
1482         if (ipconfig->system->local != NULL) {
1483                 connman_dbus_dict_append_basic(iter, "Address",
1484                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1485                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1486                                                 DBUS_TYPE_BYTE,
1487                                                 &ipconfig->system->prefixlen);
1488         }
1489
1490         if (ipconfig->system->gateway != NULL)
1491                 connman_dbus_dict_append_basic(iter, "Gateway",
1492                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1493 }
1494
1495 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1496                                                         DBusMessageIter *iter)
1497 {
1498         const char *str;
1499
1500         DBG("");
1501
1502         str = __connman_ipconfig_method2string(ipconfig->method);
1503         if (str == NULL)
1504                 return;
1505
1506         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1507
1508         switch (ipconfig->method) {
1509         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1510         case CONNMAN_IPCONFIG_METHOD_OFF:
1511         case CONNMAN_IPCONFIG_METHOD_DHCP:
1512                 return;
1513         case CONNMAN_IPCONFIG_METHOD_FIXED:
1514         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1515         case CONNMAN_IPCONFIG_METHOD_AUTO:
1516                 break;
1517         }
1518
1519         if (ipconfig->address == NULL)
1520                 return;
1521
1522         if (ipconfig->address->local != NULL) {
1523                 connman_dbus_dict_append_basic(iter, "Address",
1524                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1525                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1526                                                 DBUS_TYPE_BYTE,
1527                                                 &ipconfig->address->prefixlen);
1528         }
1529
1530         if (ipconfig->address->gateway != NULL)
1531                 connman_dbus_dict_append_basic(iter, "Gateway",
1532                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1533 }
1534
1535 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1536                                                         DBusMessageIter *iter)
1537 {
1538         const char *str;
1539
1540         DBG("");
1541
1542         str = __connman_ipconfig_method2string(ipconfig->method);
1543         if (str == NULL)
1544                 return;
1545
1546         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1547
1548         switch (ipconfig->method) {
1549         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1550         case CONNMAN_IPCONFIG_METHOD_OFF:
1551         case CONNMAN_IPCONFIG_METHOD_FIXED:
1552         case CONNMAN_IPCONFIG_METHOD_DHCP:
1553         case CONNMAN_IPCONFIG_METHOD_AUTO:
1554                 return;
1555         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1556                 break;
1557         }
1558
1559         if (ipconfig->address == NULL)
1560                 return;
1561
1562         if (ipconfig->address->local != NULL) {
1563                 in_addr_t addr;
1564                 struct in_addr netmask;
1565                 char *mask;
1566
1567                 connman_dbus_dict_append_basic(iter, "Address",
1568                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1569
1570                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1571                 netmask.s_addr = htonl(addr);
1572                 mask = inet_ntoa(netmask);
1573                 connman_dbus_dict_append_basic(iter, "Netmask",
1574                                                 DBUS_TYPE_STRING, &mask);
1575         }
1576
1577         if (ipconfig->address->gateway != NULL)
1578                 connman_dbus_dict_append_basic(iter, "Gateway",
1579                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1580 }
1581
1582 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1583 {
1584         struct connman_ipdevice *ipdevice;
1585
1586         DBG("");
1587
1588         ipdevice = g_hash_table_lookup(ipdevice_hash,
1589                                         GINT_TO_POINTER(ipconfig->index));
1590         if (ipdevice == NULL)
1591                 return;
1592
1593         set_ipv6_state(ipdevice->ifname, FALSE);
1594 }
1595
1596 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1597 {
1598         struct connman_ipdevice *ipdevice;
1599
1600         DBG("");
1601
1602         ipdevice = g_hash_table_lookup(ipdevice_hash,
1603                                         GINT_TO_POINTER(ipconfig->index));
1604         if (ipdevice == NULL)
1605                 return;
1606
1607         set_ipv6_state(ipdevice->ifname, TRUE);
1608 }
1609
1610 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1611                                                         DBusMessageIter *array)
1612 {
1613         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1614         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1615                         *prefix_length_string = NULL;
1616         int prefix_length = 0;
1617         DBusMessageIter dict;
1618
1619         DBG("ipconfig %p", ipconfig);
1620
1621         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1622                 return -EINVAL;
1623
1624         dbus_message_iter_recurse(array, &dict);
1625
1626         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1627                 DBusMessageIter entry;
1628                 const char *key;
1629                 int type;
1630
1631                 dbus_message_iter_recurse(&dict, &entry);
1632
1633                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1634                         return -EINVAL;
1635
1636                 dbus_message_iter_get_basic(&entry, &key);
1637                 dbus_message_iter_next(&entry);
1638
1639                 type = dbus_message_iter_get_arg_type(&entry);
1640
1641                 if (g_str_equal(key, "Method") == TRUE) {
1642                         const char *str;
1643
1644                         if (type != DBUS_TYPE_STRING)
1645                                 return -EINVAL;
1646
1647                         dbus_message_iter_get_basic(&entry, &str);
1648                         method = __connman_ipconfig_string2method(str);
1649                 } else if (g_str_equal(key, "Address") == TRUE) {
1650                         if (type != DBUS_TYPE_STRING)
1651                                 return -EINVAL;
1652
1653                         dbus_message_iter_get_basic(&entry, &address);
1654                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1655                         if (type != DBUS_TYPE_STRING)
1656                                 return -EINVAL;
1657
1658                         dbus_message_iter_get_basic(&entry,
1659                                                         &prefix_length_string);
1660
1661                         prefix_length = atoi(prefix_length_string);
1662                         if (prefix_length < 0 || prefix_length > 128)
1663                                 return -EINVAL;
1664
1665                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1666                         if (type != DBUS_TYPE_STRING)
1667                                 return -EINVAL;
1668
1669                         dbus_message_iter_get_basic(&entry, &netmask);
1670                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1671                         if (type != DBUS_TYPE_STRING)
1672                                 return -EINVAL;
1673
1674                         dbus_message_iter_get_basic(&entry, &gateway);
1675                 }
1676                 dbus_message_iter_next(&dict);
1677         }
1678
1679         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1680                         method, address, netmask, gateway, prefix_length);
1681
1682         switch (method) {
1683         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1684         case CONNMAN_IPCONFIG_METHOD_FIXED:
1685                 return -EINVAL;
1686
1687         case CONNMAN_IPCONFIG_METHOD_OFF:
1688                 ipconfig->method = method;
1689                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1690                         disable_ipv6(ipconfig);
1691                 break;
1692
1693         case CONNMAN_IPCONFIG_METHOD_AUTO:
1694                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1695                         return -EINVAL;
1696
1697                 ipconfig->method = method;
1698                 enable_ipv6(ipconfig);
1699                 break;
1700
1701         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1702                 if (address == NULL)
1703                         return -EINVAL;
1704
1705                 ipconfig->method = method;
1706
1707                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1708                         connman_ipaddress_set_ipv4(ipconfig->address,
1709                                                 address, netmask, gateway);
1710                 else
1711                         return connman_ipaddress_set_ipv6(
1712                                         ipconfig->address, address,
1713                                                 gateway, prefix_length);
1714                 break;
1715
1716         case CONNMAN_IPCONFIG_METHOD_DHCP:
1717                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1718                         return -EOPNOTSUPP;
1719
1720                 ipconfig->method = method;
1721                 break;
1722         }
1723
1724         return 0;
1725 }
1726
1727 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1728                                                         DBusMessageIter *iter)
1729 {
1730         struct connman_ipdevice *ipdevice;
1731         const char *method = "auto";
1732
1733         connman_dbus_dict_append_basic(iter, "Method",
1734                                                 DBUS_TYPE_STRING, &method);
1735
1736         ipdevice = g_hash_table_lookup(ipdevice_hash,
1737                                         GINT_TO_POINTER(ipconfig->index));
1738         if (ipdevice == NULL)
1739                 return;
1740
1741         if (ipdevice->ifname != NULL)
1742                 connman_dbus_dict_append_basic(iter, "Interface",
1743                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1744
1745         if (ipdevice->address != NULL)
1746                 connman_dbus_dict_append_basic(iter, "Address",
1747                                         DBUS_TYPE_STRING, &ipdevice->address);
1748
1749         if (ipdevice->mtu > 0)
1750                 connman_dbus_dict_append_basic(iter, "MTU",
1751                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1752 }
1753
1754 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1755                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1756 {
1757         char *method;
1758         char *key;
1759
1760         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1761
1762         key = g_strdup_printf("%smethod", prefix);
1763         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1764         if (method == NULL) {
1765                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1766                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1767                 else
1768                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1769         } else
1770                 ipconfig->method = __connman_ipconfig_string2method(method);
1771
1772         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
1773                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1774
1775         g_free(method);
1776         g_free(key);
1777
1778         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1779         ipconfig->address->prefixlen = g_key_file_get_integer(
1780                                 keyfile, identifier, key, NULL);
1781         g_free(key);
1782
1783         key = g_strdup_printf("%slocal_address", prefix);
1784         ipconfig->address->local = g_key_file_get_string(
1785                         keyfile, identifier, key, NULL);
1786         g_free(key);
1787
1788         key = g_strdup_printf("%speer_address", prefix);
1789         ipconfig->address->peer = g_key_file_get_string(
1790                                 keyfile, identifier, key, NULL);
1791         g_free(key);
1792
1793         key = g_strdup_printf("%sbroadcast_address", prefix);
1794         ipconfig->address->broadcast = g_key_file_get_string(
1795                                 keyfile, identifier, key, NULL);
1796         g_free(key);
1797
1798         key = g_strdup_printf("%sgateway", prefix);
1799         ipconfig->address->gateway = g_key_file_get_string(
1800                                 keyfile, identifier, key, NULL);
1801         g_free(key);
1802
1803         return 0;
1804 }
1805
1806 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1807                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1808 {
1809         const char *method;
1810         char *key;
1811
1812         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1813
1814         method = __connman_ipconfig_method2string(ipconfig->method);
1815
1816         key = g_strdup_printf("%smethod", prefix);
1817         g_key_file_set_string(keyfile, identifier, key, method);
1818         g_free(key);
1819
1820         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1821         g_key_file_set_integer(keyfile, identifier,
1822                         key, ipconfig->address->prefixlen);
1823         g_free(key);
1824
1825         key = g_strdup_printf("%slocal_address", prefix);
1826         if (ipconfig->address->local != NULL)
1827                 g_key_file_set_string(keyfile, identifier,
1828                                 key, ipconfig->address->local);
1829         g_free(key);
1830
1831         key = g_strdup_printf("%speer_address", prefix);
1832         if (ipconfig->address->peer != NULL)
1833                 g_key_file_set_string(keyfile, identifier,
1834                                 key, ipconfig->address->peer);
1835         g_free(key);
1836
1837         key = g_strdup_printf("%sbroadcast_address", prefix);
1838         if (ipconfig->address->broadcast != NULL)
1839                 g_key_file_set_string(keyfile, identifier,
1840                         key, ipconfig->address->broadcast);
1841         g_free(key);
1842
1843         key = g_strdup_printf("%sgateway", prefix);
1844         if (ipconfig->address->gateway != NULL)
1845                 g_key_file_set_string(keyfile, identifier,
1846                         key, ipconfig->address->gateway);
1847         g_free(key);
1848
1849         return 0;
1850 }
1851
1852 int __connman_ipconfig_init(void)
1853 {
1854         DBG("");
1855
1856         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1857                                                         NULL, free_ipdevice);
1858
1859         return 0;
1860 }
1861
1862 void __connman_ipconfig_cleanup(void)
1863 {
1864         DBG("");
1865
1866         g_hash_table_destroy(ipdevice_hash);
1867         ipdevice_hash = NULL;
1868 }