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 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
 857                                         struct connman_ipconfig *ipconfig)
 858 {
 859         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
 860 }
 861
 862 unsigned short __connman_ipconfig_get_type_from_index(int index)
 863 {
 864         struct connman_ipdevice *ipdevice;
 865
 866         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 867         if (ipdevice == NULL)
 868                 return ARPHRD_VOID;
 869
 870         return ipdevice->type;
 871 }
 872
 873 unsigned int __connman_ipconfig_get_flags_from_index(int index)
 874 {
 875         struct connman_ipdevice *ipdevice;
 876
 877         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 878         if (ipdevice == NULL)
 879                 return 0;
 880
 881         return ipdevice->flags;
 882 }
 883
 884 const char *__connman_ipconfig_get_gateway_from_index(int index)
 885 {
 886         struct connman_ipdevice *ipdevice;
 887
 888         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 889         if (ipdevice == NULL)
 890                 return NULL;
 891
 892         if (ipdevice->ipv4_gateway != NULL)
 893                 return ipdevice->ipv4_gateway;
 894
 895         if (ipdevice->config_ipv4 != NULL &&
 896                         ipdevice->config_ipv4->address != NULL)
 897                 return ipdevice->config_ipv4->address->gateway;
 898
 899         if (ipdevice->ipv6_gateway != NULL)
 900                 return ipdevice->ipv6_gateway;
 901
 902         if (ipdevice->config_ipv6 != NULL &&
 903                         ipdevice->config_ipv6->address != NULL)
 904                 return ipdevice->config_ipv6->address->gateway;
 905
 906         return NULL;
 907 }
 908
 909 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 910 {
 911         ipconfig->index = index;
 912 }
 913
 914 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 915 {
 916         if (ipconfig->address == NULL)
 917                 return NULL;
 918
 919         return ipconfig->address->local;
 920 }
 921
 922 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
 923 {
 924         if (ipconfig->address == NULL)
 925                 return;
 926
 927         g_free(ipconfig->address->local);
 928         ipconfig->address->local = g_strdup(address);
 929 }
 930
 931 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
 932 {
 933         if (ipconfig->address == NULL)
 934                 return NULL;
 935
 936         return ipconfig->address->peer;
 937 }
 938
 939 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
 940 {
 941         if (ipconfig->address == NULL)
 942                 return;
 943
 944         g_free(ipconfig->address->peer);
 945         ipconfig->address->peer = g_strdup(address);
 946 }
 947
 948 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
 949 {
 950         if (ipconfig->address == NULL)
 951                 return NULL;
 952
 953         return ipconfig->address->broadcast;
 954 }
 955
 956 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
 957 {
 958         if (ipconfig->address == NULL)
 959                 return;
 960
 961         g_free(ipconfig->address->broadcast);
 962         ipconfig->address->broadcast = g_strdup(broadcast);
 963 }
 964
 965 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
 966 {
 967         if (ipconfig->address == NULL)
 968                 return NULL;
 969
 970         return ipconfig->address->gateway;
 971 }
 972
 973 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
 974 {
 975         struct connman_service *service;
 976
 977         if (ipconfig->address == NULL)
 978                 return;
 979
 980         service = __connman_service_lookup_from_index(ipconfig->index);
 981         if (service != NULL)
 982                 __connman_connection_gateway_remove(service);
 983
 984         g_free(ipconfig->address->gateway);
 985         ipconfig->address->gateway = g_strdup(gateway);
 986
 987         if (service != NULL && ipconfig->address->gateway != NULL) {
 988                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
 989                         __connman_connection_gateway_add(service,
 990                                                 NULL,
 991                                                 ipconfig->address->gateway,
 992                                                 ipconfig->address->peer);
 993                 } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 994                         __connman_connection_gateway_add(service,
 995                                                 ipconfig->address->gateway,
 996                                                 NULL,
 997                                                 ipconfig->address->peer);
 998                 }
 999         }
1000 }
1001
1002 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1003 {
1004         if (ipconfig->address == NULL)
1005                 return 0;
1006
1007         return ipconfig->address->prefixlen;
1008 }
1009
1010 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1011 {
1012         if (ipconfig->address == NULL)
1013                 return;
1014
1015         ipconfig->address->prefixlen = prefixlen;
1016 }
1017
1018 static struct connman_ipconfig *create_ipv6config(int index)
1019 {
1020         struct connman_ipconfig *ipv6config;
1021
1022         DBG("index %d", index);
1023
1024         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1025         if (ipv6config == NULL)
1026                 return NULL;
1027
1028         ipv6config->refcount = 1;
1029
1030         ipv6config->index = index;
1031         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1032         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1033
1034         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1035         if (ipv6config->address == NULL) {
1036                 g_free(ipv6config);
1037                 return NULL;
1038         }
1039
1040         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1041
1042         DBG("ipconfig %p", ipv6config);
1043
1044         return ipv6config;
1045 }
1046
1047 /**
1048  * connman_ipconfig_create:
1049  *
1050  * Allocate a new ipconfig structure.
1051  *
1052  * Returns: a newly-allocated #connman_ipconfig structure
1053  */
1054 struct connman_ipconfig *connman_ipconfig_create(int index,
1055                                         enum connman_ipconfig_type type)
1056 {
1057         struct connman_ipconfig *ipconfig;
1058
1059         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1060                 return create_ipv6config(index);
1061
1062         DBG("index %d", index);
1063
1064         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1065         if (ipconfig == NULL)
1066                 return NULL;
1067
1068         ipconfig->refcount = 1;
1069
1070         ipconfig->index = index;
1071         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1072
1073         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1074         if (ipconfig->address == NULL) {
1075                 g_free(ipconfig);
1076                 return NULL;
1077         }
1078
1079         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1080
1081         DBG("ipconfig %p", ipconfig);
1082
1083         return ipconfig;
1084 }
1085
1086
1087 /**
1088  * connman_ipconfig_ref:
1089  * @ipconfig: ipconfig structure
1090  *
1091  * Increase reference counter of ipconfig
1092  */
1093 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
1094 {
1095         DBG("ipconfig %p refcount %d", ipconfig,
1096                                 g_atomic_int_get(&ipconfig->refcount) + 1);
1097
1098         g_atomic_int_inc(&ipconfig->refcount);
1099
1100         return ipconfig;
1101 }
1102
1103 /**
1104  * connman_ipconfig_unref:
1105  * @ipconfig: ipconfig structure
1106  *
1107  * Decrease reference counter of ipconfig
1108  */
1109 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1110 {
1111         if (ipconfig == NULL)
1112                 return;
1113
1114         DBG("ipconfig %p refcount %d", ipconfig,
1115                         g_atomic_int_get(&ipconfig->refcount) - 1);
1116
1117         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1118                 __connman_ipconfig_disable(ipconfig);
1119
1120                 connman_ipconfig_set_ops(ipconfig, NULL);
1121
1122                 if (ipconfig->origin != NULL) {
1123                         connman_ipconfig_unref(ipconfig->origin);
1124                         ipconfig->origin = NULL;
1125                 }
1126
1127                 connman_ipaddress_free(ipconfig->system);
1128                 connman_ipaddress_free(ipconfig->address);
1129                 g_free(ipconfig);
1130         }
1131 }
1132
1133 /**
1134  * connman_ipconfig_get_data:
1135  * @ipconfig: ipconfig structure
1136  *
1137  * Get private data pointer
1138  */
1139 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1140 {
1141         if (ipconfig == NULL)
1142                 return NULL;
1143
1144         return ipconfig->ops_data;
1145 }
1146
1147 /**
1148  * connman_ipconfig_set_data:
1149  * @ipconfig: ipconfig structure
1150  * @data: data pointer
1151  *
1152  * Set private data pointer
1153  */
1154 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1155 {
1156         ipconfig->ops_data = data;
1157 }
1158
1159 /**
1160  * connman_ipconfig_get_index:
1161  * @ipconfig: ipconfig structure
1162  *
1163  * Get interface index
1164  */
1165 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1166 {
1167         if (ipconfig == NULL)
1168                 return -1;
1169
1170         if (ipconfig->origin != NULL)
1171                 return ipconfig->origin->index;
1172
1173         return ipconfig->index;
1174 }
1175
1176 /**
1177  * connman_ipconfig_get_ifname:
1178  * @ipconfig: ipconfig structure
1179  *
1180  * Get interface name
1181  */
1182 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1183 {
1184         struct connman_ipdevice *ipdevice;
1185
1186         if (ipconfig == NULL)
1187                 return NULL;
1188
1189         if (ipconfig->index < 0)
1190                 return NULL;
1191
1192         ipdevice = g_hash_table_lookup(ipdevice_hash,
1193                                         GINT_TO_POINTER(ipconfig->index));
1194         if (ipdevice == NULL)
1195                 return NULL;
1196
1197         return ipdevice->ifname;
1198 }
1199
1200 /**
1201  * connman_ipconfig_set_ops:
1202  * @ipconfig: ipconfig structure
1203  * @ops: operation callbacks
1204  *
1205  * Set the operation callbacks
1206  */
1207 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1208                                 const struct connman_ipconfig_ops *ops)
1209 {
1210         ipconfig->ops = ops;
1211 }
1212
1213 /**
1214  * connman_ipconfig_set_method:
1215  * @ipconfig: ipconfig structure
1216  * @method: configuration method
1217  *
1218  * Set the configuration method
1219  */
1220 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1221                                         enum connman_ipconfig_method method)
1222 {
1223         ipconfig->method = method;
1224
1225         return 0;
1226 }
1227
1228 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1229 {
1230         if (ipconfig == NULL)
1231                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1232
1233         return ipconfig->method;
1234 }
1235
1236 /**
1237  * connman_ipconfig_bind:
1238  * @ipconfig: ipconfig structure
1239  * @ipaddress: ipaddress structure
1240  *
1241  * Bind IP address details to configuration
1242  */
1243 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1244                                         struct connman_ipaddress *ipaddress)
1245 {
1246         struct connman_ipconfig *origin;
1247
1248         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1249
1250         connman_ipaddress_copy(origin->address, ipaddress);
1251
1252         connman_inet_set_address(origin->index, origin->address);
1253 }
1254
1255 void __connman_ipconfig_set_element_ipv6_gateway(
1256                         struct connman_ipconfig *ipconfig,
1257                                 struct connman_element *element)
1258 {
1259         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1260                 element->ipv6.gateway = ipconfig->address->gateway;
1261 }
1262
1263 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1264 {
1265         DBG("");
1266
1267         switch (ipconfig->method) {
1268         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1269         case CONNMAN_IPCONFIG_METHOD_OFF:
1270         case CONNMAN_IPCONFIG_METHOD_FIXED:
1271         case CONNMAN_IPCONFIG_METHOD_DHCP:
1272         case CONNMAN_IPCONFIG_METHOD_AUTO:
1273                 break;
1274         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1275                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1276                         return connman_inet_set_address(ipconfig->index,
1277                                                         ipconfig->address);
1278                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1279                         return connman_inet_set_ipv6_address(
1280                                         ipconfig->index, ipconfig->address);
1281         }
1282
1283         return 0;
1284 }
1285
1286 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1287 {
1288         DBG("");
1289
1290         if (ipconfig == NULL)
1291                 return 0;
1292
1293         DBG("method %d", ipconfig->method);
1294
1295         switch (ipconfig->method) {
1296         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1297         case CONNMAN_IPCONFIG_METHOD_OFF:
1298         case CONNMAN_IPCONFIG_METHOD_FIXED:
1299         case CONNMAN_IPCONFIG_METHOD_DHCP:
1300         case CONNMAN_IPCONFIG_METHOD_AUTO:
1301                 break;
1302         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1303                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1304                         return connman_inet_clear_address(ipconfig->index,
1305                                                         ipconfig->address);
1306                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1307                         return connman_inet_clear_ipv6_address(
1308                                                 ipconfig->index,
1309                                                 ipconfig->address->local,
1310                                                 ipconfig->address->prefixlen);
1311         }
1312
1313         return 0;
1314 }
1315
1316 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1317                                                         const char *url)
1318 {
1319         struct connman_ipdevice *ipdevice;
1320
1321         DBG("ipconfig %p", ipconfig);
1322
1323         if (ipconfig == NULL || ipconfig->index < 0)
1324                 return -ENODEV;
1325
1326         ipdevice = g_hash_table_lookup(ipdevice_hash,
1327                                         GINT_TO_POINTER(ipconfig->index));
1328         if (ipdevice == NULL)
1329                 return -ENXIO;
1330
1331         g_free(ipdevice->pac);
1332         ipdevice->pac = g_strdup(url);
1333
1334         return 0;
1335 }
1336
1337 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1338 {
1339         struct connman_ipdevice *ipdevice;
1340
1341         DBG("ipconfig %p", ipconfig);
1342
1343         if (ipconfig == NULL || ipconfig->index < 0)
1344                 return NULL;
1345
1346         ipdevice = g_hash_table_lookup(ipdevice_hash,
1347                                         GINT_TO_POINTER(ipconfig->index));
1348         if (ipdevice == NULL)
1349                 return NULL;
1350
1351         return ipdevice->pac;
1352 }
1353
1354 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1355 {
1356         struct connman_ipdevice *ipdevice;
1357
1358         DBG("");
1359
1360         ipdevice = g_hash_table_lookup(ipdevice_hash,
1361                                         GINT_TO_POINTER(ipconfig->index));
1362         if (ipdevice == NULL)
1363                 return;
1364
1365         set_ipv6_state(ipdevice->ifname, FALSE);
1366 }
1367
1368 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1369 {
1370         struct connman_ipdevice *ipdevice;
1371
1372         DBG("");
1373
1374         ipdevice = g_hash_table_lookup(ipdevice_hash,
1375                                         GINT_TO_POINTER(ipconfig->index));
1376         if (ipdevice == NULL)
1377                 return;
1378
1379         set_ipv6_state(ipdevice->ifname, TRUE);
1380 }
1381
1382 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1383 {
1384         struct connman_ipdevice *ipdevice;
1385         gboolean up = FALSE, down = FALSE;
1386         gboolean lower_up = FALSE, lower_down = FALSE;
1387         enum connman_ipconfig_type type;
1388
1389         DBG("ipconfig %p", ipconfig);
1390
1391         if (ipconfig == NULL || ipconfig->index < 0)
1392                 return -ENODEV;
1393
1394         ipdevice = g_hash_table_lookup(ipdevice_hash,
1395                                         GINT_TO_POINTER(ipconfig->index));
1396         if (ipdevice == NULL)
1397                 return -ENXIO;
1398
1399         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1400                 if (ipdevice->config_ipv4 == ipconfig)
1401                         return -EALREADY;
1402                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1403         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1404                 if (ipdevice->config_ipv6 == ipconfig)
1405                         return -EALREADY;
1406                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1407                 enable_ipv6(ipconfig);
1408         } else
1409                 return -EINVAL;
1410
1411         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1412                                         ipdevice->config_ipv4 != NULL) {
1413                 ipconfig_list = g_list_remove(ipconfig_list,
1414                                                         ipdevice->config_ipv4);
1415
1416                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1417
1418                 connman_ipconfig_unref(ipdevice->config_ipv4);
1419         }
1420
1421         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1422                                         ipdevice->config_ipv6 != NULL) {
1423                 ipconfig_list = g_list_remove(ipconfig_list,
1424                                                         ipdevice->config_ipv6);
1425
1426                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1427
1428                 connman_ipconfig_unref(ipdevice->config_ipv6);
1429         }
1430
1431         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1432                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1433         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1434                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1435
1436         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1437
1438         if (ipdevice->flags & IFF_UP)
1439                 up = TRUE;
1440         else
1441                 down = TRUE;
1442
1443         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1444                         (IFF_RUNNING | IFF_LOWER_UP))
1445                 lower_up = TRUE;
1446         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1447                 lower_down = TRUE;
1448
1449         if (up == TRUE && ipconfig->ops->up)
1450                 ipconfig->ops->up(ipconfig);
1451         if (lower_up == TRUE && ipconfig->ops->lower_up)
1452                 ipconfig->ops->lower_up(ipconfig);
1453
1454         if (lower_down == TRUE && ipconfig->ops->lower_down)
1455                 ipconfig->ops->lower_down(ipconfig);
1456         if (down == TRUE && ipconfig->ops->down)
1457                 ipconfig->ops->down(ipconfig);
1458
1459         return 0;
1460 }
1461
1462 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1463 {
1464         struct connman_ipdevice *ipdevice;
1465
1466         DBG("ipconfig %p", ipconfig);
1467
1468         if (ipconfig == NULL || ipconfig->index < 0)
1469                 return -ENODEV;
1470
1471         ipdevice = g_hash_table_lookup(ipdevice_hash,
1472                                         GINT_TO_POINTER(ipconfig->index));
1473         if (ipdevice == NULL)
1474                 return -ENXIO;
1475
1476         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1477                 return -EINVAL;
1478
1479         if (ipdevice->config_ipv4 == ipconfig) {
1480                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1481
1482                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1483                 connman_ipconfig_unref(ipdevice->config_ipv4);
1484                 ipdevice->config_ipv4 = NULL;
1485                 return 0;
1486         }
1487
1488         if (ipdevice->config_ipv6 == ipconfig) {
1489                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1490
1491                 if (ipdevice->config_ipv6->method ==
1492                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1493                         disable_ipv6(ipdevice->config_ipv6);
1494
1495                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1496                 connman_ipconfig_unref(ipdevice->config_ipv6);
1497                 ipdevice->config_ipv6 = NULL;
1498                 return 0;
1499         }
1500
1501         return -EINVAL;
1502 }
1503
1504 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1505 {
1506         switch (method) {
1507         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1508                 break;
1509         case CONNMAN_IPCONFIG_METHOD_OFF:
1510                 return "off";
1511         case CONNMAN_IPCONFIG_METHOD_FIXED:
1512                 return "fixed";
1513         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1514                 return "manual";
1515         case CONNMAN_IPCONFIG_METHOD_DHCP:
1516                 return "dhcp";
1517         case CONNMAN_IPCONFIG_METHOD_AUTO:
1518                 return "auto";
1519         }
1520
1521         return NULL;
1522 }
1523
1524 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1525 {
1526         if (g_strcmp0(method, "off") == 0)
1527                 return CONNMAN_IPCONFIG_METHOD_OFF;
1528         else if (g_strcmp0(method, "fixed") == 0)
1529                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1530         else if (g_strcmp0(method, "manual") == 0)
1531                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1532         else if (g_strcmp0(method, "dhcp") == 0)
1533                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1534         else if (g_strcmp0(method, "auto") == 0)
1535                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1536         else
1537                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1538 }
1539
1540 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1541                                                         DBusMessageIter *iter)
1542 {
1543         const char *str;
1544
1545         DBG("");
1546
1547         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1548                 return;
1549
1550         str = __connman_ipconfig_method2string(ipconfig->method);
1551         if (str == NULL)
1552                 return;
1553
1554         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1555
1556         if (ipconfig->system == NULL)
1557                 return;
1558
1559         if (ipconfig->system->local != NULL) {
1560                 in_addr_t addr;
1561                 struct in_addr netmask;
1562                 char *mask;
1563
1564                 connman_dbus_dict_append_basic(iter, "Address",
1565                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1566
1567                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1568                 netmask.s_addr = htonl(addr);
1569                 mask = inet_ntoa(netmask);
1570                 connman_dbus_dict_append_basic(iter, "Netmask",
1571                                                 DBUS_TYPE_STRING, &mask);
1572         }
1573
1574         if (ipconfig->system->gateway != NULL)
1575                 connman_dbus_dict_append_basic(iter, "Gateway",
1576                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1577 }
1578
1579 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1580                                                         DBusMessageIter *iter)
1581 {
1582         const char *str;
1583
1584         DBG("");
1585
1586         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1587                 return;
1588
1589         str = __connman_ipconfig_method2string(ipconfig->method);
1590         if (str == NULL)
1591                 return;
1592
1593         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1594
1595         if (ipconfig->system == NULL)
1596                 return;
1597
1598         if (ipconfig->system->local != NULL) {
1599                 connman_dbus_dict_append_basic(iter, "Address",
1600                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1601                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1602                                                 DBUS_TYPE_BYTE,
1603                                                 &ipconfig->system->prefixlen);
1604         }
1605
1606         if (ipconfig->system->gateway != NULL)
1607                 connman_dbus_dict_append_basic(iter, "Gateway",
1608                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1609 }
1610
1611 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1612                                                         DBusMessageIter *iter)
1613 {
1614         const char *str;
1615
1616         DBG("");
1617
1618         str = __connman_ipconfig_method2string(ipconfig->method);
1619         if (str == NULL)
1620                 return;
1621
1622         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1623
1624         switch (ipconfig->method) {
1625         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1626         case CONNMAN_IPCONFIG_METHOD_OFF:
1627         case CONNMAN_IPCONFIG_METHOD_DHCP:
1628                 return;
1629         case CONNMAN_IPCONFIG_METHOD_FIXED:
1630         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1631         case CONNMAN_IPCONFIG_METHOD_AUTO:
1632                 break;
1633         }
1634
1635         if (ipconfig->address == NULL)
1636                 return;
1637
1638         if (ipconfig->address->local != NULL) {
1639                 connman_dbus_dict_append_basic(iter, "Address",
1640                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1641                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1642                                                 DBUS_TYPE_BYTE,
1643                                                 &ipconfig->address->prefixlen);
1644         }
1645
1646         if (ipconfig->address->gateway != NULL)
1647                 connman_dbus_dict_append_basic(iter, "Gateway",
1648                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1649 }
1650
1651 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1652                                                         DBusMessageIter *iter)
1653 {
1654         const char *str;
1655
1656         DBG("");
1657
1658         str = __connman_ipconfig_method2string(ipconfig->method);
1659         if (str == NULL)
1660                 return;
1661
1662         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1663
1664         switch (ipconfig->method) {
1665         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1666         case CONNMAN_IPCONFIG_METHOD_OFF:
1667         case CONNMAN_IPCONFIG_METHOD_FIXED:
1668         case CONNMAN_IPCONFIG_METHOD_DHCP:
1669         case CONNMAN_IPCONFIG_METHOD_AUTO:
1670                 return;
1671         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1672                 break;
1673         }
1674
1675         if (ipconfig->address == NULL)
1676                 return;
1677
1678         if (ipconfig->address->local != NULL) {
1679                 in_addr_t addr;
1680                 struct in_addr netmask;
1681                 char *mask;
1682
1683                 connman_dbus_dict_append_basic(iter, "Address",
1684                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1685
1686                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1687                 netmask.s_addr = htonl(addr);
1688                 mask = inet_ntoa(netmask);
1689                 connman_dbus_dict_append_basic(iter, "Netmask",
1690                                                 DBUS_TYPE_STRING, &mask);
1691         }
1692
1693         if (ipconfig->address->gateway != NULL)
1694                 connman_dbus_dict_append_basic(iter, "Gateway",
1695                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1696 }
1697
1698 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1699                                                         DBusMessageIter *array)
1700 {
1701         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1702         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1703                         *prefix_length_string = NULL;
1704         int prefix_length = 0;
1705         DBusMessageIter dict;
1706
1707         DBG("ipconfig %p", ipconfig);
1708
1709         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1710                 return -EINVAL;
1711
1712         dbus_message_iter_recurse(array, &dict);
1713
1714         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1715                 DBusMessageIter entry;
1716                 const char *key;
1717                 int type;
1718
1719                 dbus_message_iter_recurse(&dict, &entry);
1720
1721                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1722                         return -EINVAL;
1723
1724                 dbus_message_iter_get_basic(&entry, &key);
1725                 dbus_message_iter_next(&entry);
1726
1727                 type = dbus_message_iter_get_arg_type(&entry);
1728
1729                 if (g_str_equal(key, "Method") == TRUE) {
1730                         const char *str;
1731
1732                         if (type != DBUS_TYPE_STRING)
1733                                 return -EINVAL;
1734
1735                         dbus_message_iter_get_basic(&entry, &str);
1736                         method = __connman_ipconfig_string2method(str);
1737                 } else if (g_str_equal(key, "Address") == TRUE) {
1738                         if (type != DBUS_TYPE_STRING)
1739                                 return -EINVAL;
1740
1741                         dbus_message_iter_get_basic(&entry, &address);
1742                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1743                         if (type != DBUS_TYPE_STRING)
1744                                 return -EINVAL;
1745
1746                         dbus_message_iter_get_basic(&entry,
1747                                                         &prefix_length_string);
1748
1749                         prefix_length = atoi(prefix_length_string);
1750                         if (prefix_length < 0 || prefix_length > 128)
1751                                 return -EINVAL;
1752
1753                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1754                         if (type != DBUS_TYPE_STRING)
1755                                 return -EINVAL;
1756
1757                         dbus_message_iter_get_basic(&entry, &netmask);
1758                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1759                         if (type != DBUS_TYPE_STRING)
1760                                 return -EINVAL;
1761
1762                         dbus_message_iter_get_basic(&entry, &gateway);
1763                 }
1764                 dbus_message_iter_next(&dict);
1765         }
1766
1767         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1768                         method, address, netmask, gateway, prefix_length);
1769
1770         switch (method) {
1771         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1772         case CONNMAN_IPCONFIG_METHOD_FIXED:
1773                 return -EINVAL;
1774
1775         case CONNMAN_IPCONFIG_METHOD_OFF:
1776                 ipconfig->method = method;
1777                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1778                         disable_ipv6(ipconfig);
1779                 break;
1780
1781         case CONNMAN_IPCONFIG_METHOD_AUTO:
1782                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1783                         return -EINVAL;
1784
1785                 ipconfig->method = method;
1786                 enable_ipv6(ipconfig);
1787                 break;
1788
1789         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1790                 if (address == NULL)
1791                         return -EINVAL;
1792
1793                 ipconfig->method = method;
1794
1795                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1796                         connman_ipaddress_set_ipv4(ipconfig->address,
1797                                                 address, netmask, gateway);
1798                 else
1799                         return connman_ipaddress_set_ipv6(
1800                                         ipconfig->address, address,
1801                                                 gateway, prefix_length);
1802                 break;
1803
1804         case CONNMAN_IPCONFIG_METHOD_DHCP:
1805                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1806                         return -EOPNOTSUPP;
1807
1808                 ipconfig->method = method;
1809                 break;
1810         }
1811
1812         return 0;
1813 }
1814
1815 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1816                                                         DBusMessageIter *iter)
1817 {
1818         struct connman_ipdevice *ipdevice;
1819         const char *method = "auto";
1820
1821         connman_dbus_dict_append_basic(iter, "Method",
1822                                                 DBUS_TYPE_STRING, &method);
1823
1824         ipdevice = g_hash_table_lookup(ipdevice_hash,
1825                                         GINT_TO_POINTER(ipconfig->index));
1826         if (ipdevice == NULL)
1827                 return;
1828
1829         if (ipdevice->ifname != NULL)
1830                 connman_dbus_dict_append_basic(iter, "Interface",
1831                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1832
1833         if (ipdevice->address != NULL)
1834                 connman_dbus_dict_append_basic(iter, "Address",
1835                                         DBUS_TYPE_STRING, &ipdevice->address);
1836
1837         if (ipdevice->mtu > 0)
1838                 connman_dbus_dict_append_basic(iter, "MTU",
1839                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1840 }
1841
1842 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1843                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1844 {
1845         char *method;
1846         char *key;
1847
1848         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1849
1850         key = g_strdup_printf("%smethod", prefix);
1851         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1852         if (method == NULL) {
1853                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1854                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1855                 else
1856                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1857         } else
1858                 ipconfig->method = __connman_ipconfig_string2method(method);
1859
1860         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
1861                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1862
1863         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1864                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_OFF)
1865                         disable_ipv6(ipconfig);
1866                 else if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
1867                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
1868                         enable_ipv6(ipconfig);
1869                         __connman_ipconfig_enable(ipconfig);
1870
1871                         if (ipconfig->ops_data) {
1872                                 struct connman_service *service =
1873                                                         ipconfig->ops_data;
1874                                 struct connman_network *network;
1875                                 network = __connman_service_get_network(
1876                                                                 service);
1877                                 if (network)
1878                                         __connman_network_set_ipconfig(network,
1879                                                         NULL, ipconfig);
1880                         }
1881                 }
1882         }
1883
1884         g_free(method);
1885         g_free(key);
1886
1887         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1888         ipconfig->address->prefixlen = g_key_file_get_integer(
1889                                 keyfile, identifier, key, NULL);
1890         g_free(key);
1891
1892         key = g_strdup_printf("%slocal_address", prefix);
1893         ipconfig->address->local = g_key_file_get_string(
1894                         keyfile, identifier, key, NULL);
1895         g_free(key);
1896
1897         key = g_strdup_printf("%speer_address", prefix);
1898         ipconfig->address->peer = g_key_file_get_string(
1899                                 keyfile, identifier, key, NULL);
1900         g_free(key);
1901
1902         key = g_strdup_printf("%sbroadcast_address", prefix);
1903         ipconfig->address->broadcast = g_key_file_get_string(
1904                                 keyfile, identifier, key, NULL);
1905         g_free(key);
1906
1907         key = g_strdup_printf("%sgateway", prefix);
1908         ipconfig->address->gateway = g_key_file_get_string(
1909                                 keyfile, identifier, key, NULL);
1910         g_free(key);
1911
1912         return 0;
1913 }
1914
1915 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1916                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1917 {
1918         const char *method;
1919         char *key;
1920
1921         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1922
1923         method = __connman_ipconfig_method2string(ipconfig->method);
1924
1925         key = g_strdup_printf("%smethod", prefix);
1926         g_key_file_set_string(keyfile, identifier, key, method);
1927         g_free(key);
1928
1929         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1930         g_key_file_set_integer(keyfile, identifier,
1931                         key, ipconfig->address->prefixlen);
1932         g_free(key);
1933
1934         key = g_strdup_printf("%slocal_address", prefix);
1935         if (ipconfig->address->local != NULL)
1936                 g_key_file_set_string(keyfile, identifier,
1937                                 key, ipconfig->address->local);
1938         g_free(key);
1939
1940         key = g_strdup_printf("%speer_address", prefix);
1941         if (ipconfig->address->peer != NULL)
1942                 g_key_file_set_string(keyfile, identifier,
1943                                 key, ipconfig->address->peer);
1944         g_free(key);
1945
1946         key = g_strdup_printf("%sbroadcast_address", prefix);
1947         if (ipconfig->address->broadcast != NULL)
1948                 g_key_file_set_string(keyfile, identifier,
1949                         key, ipconfig->address->broadcast);
1950         g_free(key);
1951
1952         key = g_strdup_printf("%sgateway", prefix);
1953         if (ipconfig->address->gateway != NULL)
1954                 g_key_file_set_string(keyfile, identifier,
1955                         key, ipconfig->address->gateway);
1956         g_free(key);
1957
1958         return 0;
1959 }
1960
1961 int __connman_ipconfig_init(void)
1962 {
1963         DBG("");
1964
1965         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1966                                                         NULL, free_ipdevice);
1967
1968         return 0;
1969 }
1970
1971 void __connman_ipconfig_cleanup(void)
1972 {
1973         DBG("");
1974
1975         g_hash_table_destroy(ipdevice_hash);
1976         ipdevice_hash = NULL;
1977 }