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 <errno.h>
  27 #include <stdio.h>
  28 #include <net/if.h>
  29 #include <net/if_arp.h>
  30 #include <linux/if_link.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33
  34 #ifndef IFF_LOWER_UP
  35 #define IFF_LOWER_UP    0x10000
  36 #endif
  37
  38 #include <gdbus.h>
  39
  40 #include "connman.h"
  41
  42 struct connman_ipconfig {
  43         gint refcount;
  44         int index;
  45         enum connman_ipconfig_type type;
  46
  47         struct connman_ipconfig *origin;
  48
  49         const struct connman_ipconfig_ops *ops;
  50         void *ops_data;
  51
  52         enum connman_ipconfig_method method;
  53         struct connman_ipaddress *address;
  54         struct connman_ipaddress *system;
  55
  56         int ipv6_privacy_config;
  57         char *last_dhcp_address;
  58 };
  59
  60 struct connman_ipdevice {
  61         int index;
  62         char *ifname;
  63         unsigned short type;
  64         unsigned int flags;
  65         char *address;
  66         uint16_t mtu;
  67         uint32_t rx_packets;
  68         uint32_t tx_packets;
  69         uint32_t rx_bytes;
  70         uint32_t tx_bytes;
  71         uint32_t rx_errors;
  72         uint32_t tx_errors;
  73         uint32_t rx_dropped;
  74         uint32_t tx_dropped;
  75
  76         GSList *address_list;
  77         char *ipv4_gateway;
  78         char *ipv6_gateway;
  79
  80         char *pac;
  81
  82         struct connman_ipconfig *config_ipv4;
  83         struct connman_ipconfig *config_ipv6;
  84
  85         gboolean ipv6_enabled;
  86         int ipv6_privacy;
  87 };
  88
  89 static GHashTable *ipdevice_hash = NULL;
  90 static GList *ipconfig_list = NULL;
  91
  92 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  93 {
  94         struct connman_ipaddress *ipaddress;
  95
  96         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  97         if (ipaddress == NULL)
  98                 return NULL;
  99
 100         ipaddress->family = family;
 101         ipaddress->prefixlen = 0;
 102         ipaddress->local = NULL;
 103         ipaddress->peer = NULL;
 104         ipaddress->broadcast = NULL;
 105         ipaddress->gateway = NULL;
 106
 107         return ipaddress;
 108 }
 109
 110 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 111 {
 112         if (ipaddress == NULL)
 113                 return;
 114
 115         g_free(ipaddress->broadcast);
 116         g_free(ipaddress->peer);
 117         g_free(ipaddress->local);
 118         g_free(ipaddress->gateway);
 119         g_free(ipaddress);
 120 }
 121
 122 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 123 {
 124         unsigned char bits;
 125         in_addr_t mask;
 126         in_addr_t host;
 127
 128         if (netmask == NULL)
 129                 return 32;
 130
 131         mask = inet_network(netmask);
 132         host = ~mask;
 133
 134         /* a valid netmask must be 2^n - 1 */
 135         if ((host & (host + 1)) != 0)
 136                 return -1;
 137
 138         bits = 0;
 139         for (; mask; mask <<= 1)
 140                 ++bits;
 141
 142         return bits;
 143 }
 144
 145 static gboolean check_ipv6_address(const char *address)
 146 {
 147         unsigned char buf[sizeof(struct in6_addr)];
 148         int err;
 149
 150         if (address == NULL)
 151                 return FALSE;
 152
 153         err = inet_pton(AF_INET6, address, buf);
 154         if (err > 0)
 155                 return TRUE;
 156
 157         return FALSE;
 158 }
 159
 160 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 161                                 const char *address,
 162                                 unsigned char prefix_length,
 163                                 const char *gateway)
 164 {
 165         if (ipaddress == NULL)
 166                 return -EINVAL;
 167
 168         if (check_ipv6_address(address) == FALSE)
 169                 return -EINVAL;
 170
 171         if (check_ipv6_address(gateway) == FALSE)
 172                 return -EINVAL;
 173
 174         DBG("prefix_len %d address %s gateway %s",
 175                         prefix_length, address, gateway);
 176
 177         ipaddress->family = AF_INET6;
 178
 179         ipaddress->prefixlen = prefix_length;
 180
 181         g_free(ipaddress->local);
 182         ipaddress->local = g_strdup(address);
 183
 184         g_free(ipaddress->gateway);
 185         ipaddress->gateway = g_strdup(gateway);
 186
 187         return 0;
 188 }
 189
 190 int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 191                 const char *address, const char *netmask, const char *gateway)
 192 {
 193         if (ipaddress == NULL)
 194                 return -EINVAL;
 195
 196         ipaddress->family = AF_INET;
 197
 198         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 199
 200         g_free(ipaddress->local);
 201         ipaddress->local = g_strdup(address);
 202
 203         g_free(ipaddress->gateway);
 204         ipaddress->gateway = g_strdup(gateway);
 205
 206         return 0;
 207 }
 208
 209 void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
 210                                 const char *peer)
 211 {
 212         if (ipaddress == NULL)
 213                 return;
 214
 215         g_free(ipaddress->peer);
 216         ipaddress->peer = g_strdup(peer);
 217 }
 218
 219 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 220 {
 221         if (ipaddress == NULL)
 222                 return;
 223
 224         ipaddress->prefixlen = 0;
 225
 226         g_free(ipaddress->local);
 227         ipaddress->local = NULL;
 228
 229         g_free(ipaddress->peer);
 230         ipaddress->peer = NULL;
 231
 232         g_free(ipaddress->broadcast);
 233         ipaddress->broadcast = NULL;
 234
 235         g_free(ipaddress->gateway);
 236         ipaddress->gateway = NULL;
 237 }
 238
 239 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 240                                         struct connman_ipaddress *source)
 241 {
 242         if (ipaddress == NULL || source == NULL)
 243                 return;
 244
 245         ipaddress->family = source->family;
 246         ipaddress->prefixlen = source->prefixlen;
 247
 248         g_free(ipaddress->local);
 249         ipaddress->local = g_strdup(source->local);
 250
 251         g_free(ipaddress->peer);
 252         ipaddress->peer = g_strdup(source->peer);
 253
 254         g_free(ipaddress->broadcast);
 255         ipaddress->broadcast = g_strdup(source->broadcast);
 256
 257         g_free(ipaddress->gateway);
 258         ipaddress->gateway = g_strdup(source->gateway);
 259 }
 260
 261 static void free_address_list(struct connman_ipdevice *ipdevice)
 262 {
 263         GSList *list;
 264
 265         for (list = ipdevice->address_list; list; list = list->next) {
 266                 struct connman_ipaddress *ipaddress = list->data;
 267
 268                 connman_ipaddress_free(ipaddress);
 269                 list->data = NULL;
 270         }
 271
 272         g_slist_free(ipdevice->address_list);
 273         ipdevice->address_list = NULL;
 274 }
 275
 276 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 277                                 unsigned char prefixlen, const char *local)
 278 {
 279         GSList *list;
 280
 281         for (list = ipdevice->address_list; list; list = list->next) {
 282                 struct connman_ipaddress *ipaddress = list->data;
 283
 284                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 285                                         ipaddress->prefixlen == prefixlen)
 286                         return ipaddress;
 287         }
 288
 289         return NULL;
 290 }
 291
 292 const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
 293 {
 294         switch (type) {
 295         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 296                 return "unknown";
 297         case CONNMAN_IPCONFIG_TYPE_IPV4:
 298                 return "IPv4";
 299         case CONNMAN_IPCONFIG_TYPE_IPV6:
 300                 return "IPv6";
 301         }
 302
 303         return NULL;
 304 }
 305
 306 static const char *type2str(unsigned short type)
 307 {
 308         switch (type) {
 309         case ARPHRD_ETHER:
 310                 return "ETHER";
 311         case ARPHRD_LOOPBACK:
 312                 return "LOOPBACK";
 313         case ARPHRD_PPP:
 314                 return "PPP";
 315         case ARPHRD_NONE:
 316                 return "NONE";
 317         case ARPHRD_VOID:
 318                 return "VOID";
 319         }
 320
 321         return "";
 322 }
 323
 324 static const char *scope2str(unsigned char scope)
 325 {
 326         switch (scope) {
 327         case 0:
 328                 return "UNIVERSE";
 329         case 253:
 330                 return "LINK";
 331         }
 332
 333         return "";
 334 }
 335
 336 static gboolean get_ipv6_state(gchar *ifname)
 337 {
 338         int disabled;
 339         gchar *path;
 340         FILE *f;
 341         gboolean enabled = FALSE;
 342
 343         if (ifname == NULL)
 344                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 345         else
 346                 path = g_strdup_printf(
 347                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 348
 349         if (path == NULL)
 350                 return enabled;
 351
 352         f = fopen(path, "r");
 353
 354         g_free(path);
 355
 356         if (f != NULL) {
 357                 if (fscanf(f, "%d", &disabled) > 0)
 358                         enabled = !disabled;
 359                 fclose(f);
 360         }
 361
 362         return enabled;
 363 }
 364
 365 static void set_ipv6_state(gchar *ifname, gboolean enable)
 366 {
 367         gchar *path;
 368         FILE *f;
 369
 370         if (ifname == NULL)
 371                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 372         else
 373                 path = g_strdup_printf(
 374                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 375
 376         if (path == NULL)
 377                 return;
 378
 379         f = fopen(path, "r+");
 380
 381         g_free(path);
 382
 383         if (f == NULL)
 384                 return;
 385
 386         if (enable == FALSE)
 387                 fprintf(f, "1");
 388         else
 389                 fprintf(f, "0");
 390
 391         fclose(f);
 392 }
 393
 394 static int get_ipv6_privacy(gchar *ifname)
 395 {
 396         gchar *path;
 397         FILE *f;
 398         int value;
 399
 400         if (ifname == NULL)
 401                 return 0;
 402
 403         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 404                                                                 ifname);
 405
 406         if (path == NULL)
 407                 return 0;
 408
 409         f = fopen(path, "r");
 410
 411         g_free(path);
 412
 413         if (f == NULL)
 414                 return 0;
 415
 416         if (fscanf(f, "%d", &value) <= 0)
 417                 value = 0;
 418
 419         fclose(f);
 420
 421         return value;
 422 }
 423
 424 /* Enable the IPv6 privacy extension for stateless address autoconfiguration.
 425  * The privacy extension is described in RFC 3041 and RFC 4941
 426  */
 427 static void set_ipv6_privacy(gchar *ifname, int value)
 428 {
 429         gchar *path;
 430         FILE *f;
 431
 432         if (ifname == NULL)
 433                 return;
 434
 435         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 436                                                                 ifname);
 437
 438         if (path == NULL)
 439                 return;
 440
 441         if (value < 0)
 442                 value = 0;
 443
 444         f = fopen(path, "r+");
 445
 446         g_free(path);
 447
 448         if (f == NULL)
 449                 return;
 450
 451         fprintf(f, "%d", value);
 452         fclose(f);
 453 }
 454
 455 static void free_ipdevice(gpointer data)
 456 {
 457         struct connman_ipdevice *ipdevice = data;
 458
 459         connman_info("%s {remove} index %d", ipdevice->ifname,
 460                                                         ipdevice->index);
 461
 462         if (ipdevice->config_ipv4 != NULL) {
 463                 connman_ipconfig_unref(ipdevice->config_ipv4);
 464                 ipdevice->config_ipv4 = NULL;
 465         }
 466
 467         if (ipdevice->config_ipv6 != NULL) {
 468                 connman_ipconfig_unref(ipdevice->config_ipv6);
 469                 ipdevice->config_ipv6 = NULL;
 470         }
 471
 472         free_address_list(ipdevice);
 473         g_free(ipdevice->ipv4_gateway);
 474         g_free(ipdevice->ipv6_gateway);
 475         g_free(ipdevice->pac);
 476
 477         g_free(ipdevice->address);
 478
 479         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 480         set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
 481
 482         g_free(ipdevice->ifname);
 483         g_free(ipdevice);
 484 }
 485
 486 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 487 {
 488         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 489                                         ipdevice->config_ipv6);
 490 }
 491
 492 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 493 {
 494         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 495                                         ipdevice->config_ipv6);
 496
 497         if (ipdevice->config_ipv4)
 498                 connman_inet_clear_address(ipdevice->index,
 499                                         ipdevice->config_ipv4->address);
 500
 501         if (ipdevice->config_ipv6)
 502                 connman_inet_clear_ipv6_address(ipdevice->index,
 503                                 ipdevice->config_ipv6->address->local,
 504                                 ipdevice->config_ipv6->address->prefixlen);
 505 }
 506
 507 static void update_stats(struct connman_ipdevice *ipdevice,
 508                                                 struct rtnl_link_stats *stats)
 509 {
 510         struct connman_service *service;
 511
 512         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 513                 return;
 514
 515         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 516                                         stats->rx_packets, stats->rx_bytes);
 517         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 518                                         stats->tx_packets, stats->tx_bytes);
 519
 520         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 521                 return;
 522
 523         if (ipdevice->config_ipv4)
 524                 service = connman_ipconfig_get_data(ipdevice->config_ipv4);
 525         else if (ipdevice->config_ipv6)
 526                 service = connman_ipconfig_get_data(ipdevice->config_ipv6);
 527         else
 528                 return;
 529
 530         if (service == NULL)
 531                 return;
 532
 533         ipdevice->rx_packets = stats->rx_packets;
 534         ipdevice->tx_packets = stats->tx_packets;
 535         ipdevice->rx_bytes = stats->rx_bytes;
 536         ipdevice->tx_bytes = stats->tx_bytes;
 537         ipdevice->rx_errors = stats->rx_errors;
 538         ipdevice->tx_errors = stats->tx_errors;
 539         ipdevice->rx_dropped = stats->rx_dropped;
 540         ipdevice->tx_dropped = stats->tx_dropped;
 541
 542         __connman_service_notify(service,
 543                                 ipdevice->rx_packets, ipdevice->tx_packets,
 544                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 545                                 ipdevice->rx_errors, ipdevice->tx_errors,
 546                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 547 }
 548
 549 void __connman_ipconfig_newlink(int index, unsigned short type,
 550                                 unsigned int flags, const char *address,
 551                                                         unsigned short mtu,
 552                                                 struct rtnl_link_stats *stats)
 553 {
 554         struct connman_ipdevice *ipdevice;
 555         GList *list;
 556         GString *str;
 557         gboolean up = FALSE, down = FALSE;
 558         gboolean lower_up = FALSE, lower_down = FALSE;
 559
 560         DBG("index %d", index);
 561
 562         if (type == ARPHRD_LOOPBACK)
 563                 return;
 564
 565         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 566         if (ipdevice != NULL)
 567                 goto update;
 568
 569         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 570         if (ipdevice == NULL)
 571                 return;
 572
 573         ipdevice->index = index;
 574         ipdevice->ifname = connman_inet_ifname(index);
 575         ipdevice->type = type;
 576
 577         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 578         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 579
 580         ipdevice->address = g_strdup(address);
 581
 582         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 583
 584         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 585                                                 index, type, type2str(type));
 586
 587 update:
 588         ipdevice->mtu = mtu;
 589
 590         update_stats(ipdevice, stats);
 591
 592         if (flags == ipdevice->flags)
 593                 return;
 594
 595         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 596                 if (flags & IFF_UP)
 597                         up = TRUE;
 598                 else
 599                         down = TRUE;
 600         }
 601
 602         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 603                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 604                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 605                                         (IFF_RUNNING | IFF_LOWER_UP))
 606                         lower_up = TRUE;
 607                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 608                         lower_down = TRUE;
 609         }
 610
 611         ipdevice->flags = flags;
 612
 613         str = g_string_new(NULL);
 614         if (str == NULL)
 615                 return;
 616
 617         if (flags & IFF_UP)
 618                 g_string_append(str, "UP");
 619         else
 620                 g_string_append(str, "DOWN");
 621
 622         if (flags & IFF_RUNNING)
 623                 g_string_append(str, ",RUNNING");
 624
 625         if (flags & IFF_LOWER_UP)
 626                 g_string_append(str, ",LOWER_UP");
 627
 628         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 629                                                         flags, str->str);
 630
 631         g_string_free(str, TRUE);
 632
 633         for (list = g_list_first(ipconfig_list); list;
 634                                                 list = g_list_next(list)) {
 635                 struct connman_ipconfig *ipconfig = list->data;
 636
 637                 if (index != ipconfig->index)
 638                         continue;
 639
 640                 if (ipconfig->ops == NULL)
 641                         continue;
 642
 643                 if (up == TRUE && ipconfig->ops->up)
 644                         ipconfig->ops->up(ipconfig);
 645                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 646                         ipconfig->ops->lower_up(ipconfig);
 647
 648                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 649                         ipconfig->ops->lower_down(ipconfig);
 650                 if (down == TRUE && ipconfig->ops->down)
 651                         ipconfig->ops->down(ipconfig);
 652         }
 653
 654         if (lower_up)
 655                 __connman_ipconfig_lower_up(ipdevice);
 656         if (lower_down)
 657                 __connman_ipconfig_lower_down(ipdevice);
 658 }
 659
 660 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 661 {
 662         struct connman_ipdevice *ipdevice;
 663         GList *list;
 664
 665         DBG("index %d", index);
 666
 667         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 668         if (ipdevice == NULL)
 669                 return;
 670
 671         update_stats(ipdevice, stats);
 672
 673         for (list = g_list_first(ipconfig_list); list;
 674                                                 list = g_list_next(list)) {
 675                 struct connman_ipconfig *ipconfig = list->data;
 676
 677                 if (index != ipconfig->index)
 678                         continue;
 679
 680                 ipconfig->index = -1;
 681
 682                 if (ipconfig->ops == NULL)
 683                         continue;
 684
 685                 if (ipconfig->ops->lower_down)
 686                         ipconfig->ops->lower_down(ipconfig);
 687                 if (ipconfig->ops->down)
 688                         ipconfig->ops->down(ipconfig);
 689         }
 690
 691         __connman_ipconfig_lower_down(ipdevice);
 692
 693         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 694 }
 695
 696 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 697 {
 698         const struct connman_ipaddress *addr1 = a;
 699         const struct connman_ipaddress *addr2 = b;
 700
 701         if (addr1->prefixlen != addr2->prefixlen)
 702                 return addr2->prefixlen - addr1->prefixlen;
 703
 704         return g_strcmp0(addr1->local, addr2->local);
 705 }
 706
 707 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 708                                 unsigned char prefixlen, const char *address)
 709 {
 710         struct connman_ipdevice *ipdevice;
 711         struct connman_ipaddress *ipaddress;
 712         enum connman_ipconfig_type type;
 713         GList *list;
 714
 715         DBG("index %d", index);
 716
 717         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 718         if (ipdevice == NULL)
 719                 return;
 720
 721         ipaddress = connman_ipaddress_alloc(family);
 722         if (ipaddress == NULL)
 723                 return;
 724
 725         ipaddress->prefixlen = prefixlen;
 726         ipaddress->local = g_strdup(address);
 727
 728         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 729                                         check_duplicate_address)) {
 730                 connman_ipaddress_free(ipaddress);
 731                 return;
 732         }
 733
 734         if (family == AF_INET)
 735                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 736         else if (family == AF_INET6)
 737                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 738         else
 739                 return;
 740
 741         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 742                                                                 ipaddress);
 743
 744         connman_info("%s {add} address %s/%u label %s family %d",
 745                 ipdevice->ifname, address, prefixlen, label, family);
 746
 747         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 748                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 749                                         ipaddress);
 750
 751         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 752                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 753                                         ipaddress);
 754         else
 755                 return;
 756
 757         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 758                 return;
 759
 760         for (list = g_list_first(ipconfig_list); list;
 761                                                 list = g_list_next(list)) {
 762                 struct connman_ipconfig *ipconfig = list->data;
 763
 764                 if (index != ipconfig->index)
 765                         continue;
 766
 767                 if (type != ipconfig->type)
 768                         continue;
 769
 770                 if (ipconfig->ops == NULL)
 771                         continue;
 772
 773                 if (ipconfig->ops->ip_bound)
 774                         ipconfig->ops->ip_bound(ipconfig);
 775         }
 776 }
 777
 778 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 779                                 unsigned char prefixlen, const char *address)
 780 {
 781         struct connman_ipdevice *ipdevice;
 782         struct connman_ipaddress *ipaddress;
 783         enum connman_ipconfig_type type;
 784         GList *list;
 785
 786         DBG("index %d", index);
 787
 788         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 789         if (ipdevice == NULL)
 790                 return;
 791
 792         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 793         if (ipaddress == NULL)
 794                 return;
 795
 796         if (family == AF_INET)
 797                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 798         else if (family == AF_INET6)
 799                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 800         else
 801                 return;
 802
 803         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 804                                                                 ipaddress);
 805
 806         connman_ipaddress_clear(ipaddress);
 807         g_free(ipaddress);
 808
 809         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 810                                                 address, prefixlen, label);
 811
 812         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 813                 return;
 814
 815         if (g_slist_length(ipdevice->address_list) > 0)
 816                 return;
 817
 818         for (list = g_list_first(ipconfig_list); list;
 819                                                 list = g_list_next(list)) {
 820                 struct connman_ipconfig *ipconfig = list->data;
 821
 822                 if (index != ipconfig->index)
 823                         continue;
 824
 825                 if (type != ipconfig->type)
 826                         continue;
 827
 828                 if (ipconfig->ops == NULL)
 829                         continue;
 830
 831                 if (ipconfig->ops->ip_release)
 832                         ipconfig->ops->ip_release(ipconfig);
 833         }
 834 }
 835
 836 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 837                                         const char *dst, const char *gateway)
 838 {
 839         struct connman_ipdevice *ipdevice;
 840
 841         DBG("index %d", index);
 842
 843         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 844         if (ipdevice == NULL)
 845                 return;
 846
 847         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 848                                                 g_strcmp0(dst, "::") == 0)) {
 849                 GSList *list;
 850                 GList *config_list;
 851                 enum connman_ipconfig_type type;
 852
 853                 if (family == AF_INET6) {
 854                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 855                         g_free(ipdevice->ipv6_gateway);
 856                         ipdevice->ipv6_gateway = g_strdup(gateway);
 857
 858                         if (ipdevice->config_ipv6 != NULL &&
 859                                 ipdevice->config_ipv6->system != NULL) {
 860                                 g_free(ipdevice->config_ipv6->system->gateway);
 861                                 ipdevice->config_ipv6->system->gateway =
 862                                         g_strdup(gateway);
 863                         }
 864                 } else if (family == AF_INET) {
 865                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 866                         g_free(ipdevice->ipv4_gateway);
 867                         ipdevice->ipv4_gateway = g_strdup(gateway);
 868
 869                         if (ipdevice->config_ipv4 != NULL &&
 870                                 ipdevice->config_ipv4->system != NULL) {
 871                                 g_free(ipdevice->config_ipv4->system->gateway);
 872                                 ipdevice->config_ipv4->system->gateway =
 873                                         g_strdup(gateway);
 874                         }
 875                 } else
 876                         return;
 877
 878                 for (list = ipdevice->address_list; list; list = list->next) {
 879                         struct connman_ipaddress *ipaddress = list->data;
 880
 881                         g_free(ipaddress->gateway);
 882                         ipaddress->gateway = g_strdup(gateway);
 883                 }
 884
 885                 for (config_list = g_list_first(ipconfig_list); config_list;
 886                                         config_list = g_list_next(config_list)) {
 887                         struct connman_ipconfig *ipconfig = config_list->data;
 888
 889                         if (index != ipconfig->index)
 890                                 continue;
 891
 892                         if (type != ipconfig->type)
 893                                 continue;
 894
 895                         if (ipconfig->ops == NULL)
 896                                 continue;
 897
 898                         if (ipconfig->ops->ip_bound)
 899                                 ipconfig->ops->ip_bound(ipconfig);
 900                 }
 901         }
 902
 903         connman_info("%s {add} route %s gw %s scope %u <%s>",
 904                                         ipdevice->ifname, dst, gateway,
 905                                                 scope, scope2str(scope));
 906 }
 907
 908 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 909                                         const char *dst, const char *gateway)
 910 {
 911         struct connman_ipdevice *ipdevice;
 912
 913         DBG("index %d", index);
 914
 915         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 916         if (ipdevice == NULL)
 917                 return;
 918
 919         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 920                                                 g_strcmp0(dst, "::") == 0)) {
 921                 GSList *list;
 922                 GList *config_list;
 923                 enum connman_ipconfig_type type;
 924
 925                 if (family == AF_INET6) {
 926                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 927                         g_free(ipdevice->ipv6_gateway);
 928                         ipdevice->ipv6_gateway = NULL;
 929
 930                         if (ipdevice->config_ipv6 != NULL &&
 931                                 ipdevice->config_ipv6->system != NULL) {
 932                                 g_free(ipdevice->config_ipv6->system->gateway);
 933                                 ipdevice->config_ipv6->system->gateway = NULL;
 934                         }
 935                 } else if (family == AF_INET) {
 936                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 937                         g_free(ipdevice->ipv4_gateway);
 938                         ipdevice->ipv4_gateway = NULL;
 939
 940                         if (ipdevice->config_ipv4 != NULL &&
 941                                 ipdevice->config_ipv4->system != NULL) {
 942                                 g_free(ipdevice->config_ipv4->system->gateway);
 943                                 ipdevice->config_ipv4->system->gateway = NULL;
 944                         }
 945                 } else
 946                         return;
 947
 948                 for (list = ipdevice->address_list; list; list = list->next) {
 949                         struct connman_ipaddress *ipaddress = list->data;
 950
 951                         g_free(ipaddress->gateway);
 952                         ipaddress->gateway = NULL;
 953                 }
 954
 955                 for (config_list = g_list_first(ipconfig_list); config_list;
 956                                         config_list = g_list_next(config_list)) {
 957                         struct connman_ipconfig *ipconfig = config_list->data;
 958
 959                         if (index != ipconfig->index)
 960                                 continue;
 961
 962                         if (type != ipconfig->type)
 963                                 continue;
 964
 965                         if (ipconfig->ops == NULL)
 966                                 continue;
 967
 968                         if (ipconfig->ops->ip_release)
 969                                 ipconfig->ops->ip_release(ipconfig);
 970                 }
 971         }
 972
 973         connman_info("%s {del} route %s gw %s scope %u <%s>",
 974                                         ipdevice->ifname, dst, gateway,
 975                                                 scope, scope2str(scope));
 976 }
 977
 978 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 979                                                         void *user_data)
 980 {
 981         GList *list, *keys;
 982
 983         keys = g_hash_table_get_keys(ipdevice_hash);
 984         if (keys == NULL)
 985                 return;
 986
 987         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 988                 int index = GPOINTER_TO_INT(list->data);
 989
 990                 function(index, user_data);
 991         }
 992
 993         g_list_free(keys);
 994 }
 995
 996 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
 997                                         struct connman_ipconfig *ipconfig)
 998 {
 999         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
1000 }
1001
1002 unsigned short __connman_ipconfig_get_type_from_index(int index)
1003 {
1004         struct connman_ipdevice *ipdevice;
1005
1006         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1007         if (ipdevice == NULL)
1008                 return ARPHRD_VOID;
1009
1010         return ipdevice->type;
1011 }
1012
1013 unsigned int __connman_ipconfig_get_flags_from_index(int index)
1014 {
1015         struct connman_ipdevice *ipdevice;
1016
1017         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1018         if (ipdevice == NULL)
1019                 return 0;
1020
1021         return ipdevice->flags;
1022 }
1023
1024 const char *__connman_ipconfig_get_gateway_from_index(int index)
1025 {
1026         struct connman_ipdevice *ipdevice;
1027
1028         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1029         if (ipdevice == NULL)
1030                 return NULL;
1031
1032         if (ipdevice->ipv4_gateway != NULL)
1033                 return ipdevice->ipv4_gateway;
1034
1035         if (ipdevice->config_ipv4 != NULL &&
1036                         ipdevice->config_ipv4->address != NULL)
1037                 return ipdevice->config_ipv4->address->gateway;
1038
1039         if (ipdevice->ipv6_gateway != NULL)
1040                 return ipdevice->ipv6_gateway;
1041
1042         if (ipdevice->config_ipv6 != NULL &&
1043                         ipdevice->config_ipv6->address != NULL)
1044                 return ipdevice->config_ipv6->address->gateway;
1045
1046         return NULL;
1047 }
1048
1049 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
1050 {
1051         ipconfig->index = index;
1052 }
1053
1054 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
1055 {
1056         if (ipconfig->address == NULL)
1057                 return NULL;
1058
1059         return ipconfig->address->local;
1060 }
1061
1062 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
1063 {
1064         if (ipconfig->address == NULL)
1065                 return;
1066
1067         g_free(ipconfig->address->local);
1068         ipconfig->address->local = g_strdup(address);
1069 }
1070
1071 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
1072 {
1073         if (ipconfig->address == NULL)
1074                 return NULL;
1075
1076         return ipconfig->address->peer;
1077 }
1078
1079 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
1080 {
1081         if (ipconfig->address == NULL)
1082                 return;
1083
1084         g_free(ipconfig->address->peer);
1085         ipconfig->address->peer = g_strdup(address);
1086 }
1087
1088 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1089 {
1090         if (ipconfig->address == NULL)
1091                 return NULL;
1092
1093         return ipconfig->address->broadcast;
1094 }
1095
1096 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1097 {
1098         if (ipconfig->address == NULL)
1099                 return;
1100
1101         g_free(ipconfig->address->broadcast);
1102         ipconfig->address->broadcast = g_strdup(broadcast);
1103 }
1104
1105 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1106 {
1107         if (ipconfig->address == NULL)
1108                 return NULL;
1109
1110         return ipconfig->address->gateway;
1111 }
1112
1113 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1114 {
1115         DBG("");
1116
1117         if (ipconfig->address == NULL)
1118                 return;
1119         g_free(ipconfig->address->gateway);
1120         ipconfig->address->gateway = g_strdup(gateway);
1121 }
1122
1123 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1124 {
1125         struct connman_service *service;
1126
1127         DBG("");
1128
1129         if (ipconfig->address == NULL)
1130                 return -EINVAL;
1131
1132         service = __connman_service_lookup_from_index(ipconfig->index);
1133         if (service == NULL)
1134                 return -EINVAL;
1135
1136         __connman_connection_gateway_remove(service, ipconfig->type);
1137
1138         DBG("type %d gw %s peer %s", ipconfig->type,
1139                 ipconfig->address->gateway, ipconfig->address->peer);
1140
1141         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1142                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1143                 return __connman_connection_gateway_add(service,
1144                                                 ipconfig->address->gateway,
1145                                                 ipconfig->type,
1146                                                 ipconfig->address->peer);
1147
1148         return 0;
1149 }
1150
1151 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1152 {
1153         struct connman_service *service;
1154
1155         DBG("");
1156
1157         service = __connman_service_lookup_from_index(ipconfig->index);
1158         if (service != NULL)
1159                 __connman_connection_gateway_remove(service, ipconfig->type);
1160 }
1161
1162 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1163 {
1164         if (ipconfig->address == NULL)
1165                 return 0;
1166
1167         return ipconfig->address->prefixlen;
1168 }
1169
1170 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1171 {
1172         if (ipconfig->address == NULL)
1173                 return;
1174
1175         ipconfig->address->prefixlen = prefixlen;
1176 }
1177
1178 static struct connman_ipconfig *create_ipv6config(int index)
1179 {
1180         struct connman_ipconfig *ipv6config;
1181
1182         DBG("index %d", index);
1183
1184         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1185         if (ipv6config == NULL)
1186                 return NULL;
1187
1188         ipv6config->refcount = 1;
1189
1190         ipv6config->index = index;
1191         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1192         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1193         ipv6config->ipv6_privacy_config = 0;
1194
1195         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1196         if (ipv6config->address == NULL) {
1197                 g_free(ipv6config);
1198                 return NULL;
1199         }
1200
1201         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1202
1203         DBG("ipconfig %p", ipv6config);
1204
1205         return ipv6config;
1206 }
1207
1208 /**
1209  * connman_ipconfig_create:
1210  *
1211  * Allocate a new ipconfig structure.
1212  *
1213  * Returns: a newly-allocated #connman_ipconfig structure
1214  */
1215 struct connman_ipconfig *connman_ipconfig_create(int index,
1216                                         enum connman_ipconfig_type type)
1217 {
1218         struct connman_ipconfig *ipconfig;
1219
1220         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1221                 return create_ipv6config(index);
1222
1223         DBG("index %d", index);
1224
1225         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1226         if (ipconfig == NULL)
1227                 return NULL;
1228
1229         ipconfig->refcount = 1;
1230
1231         ipconfig->index = index;
1232         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1233
1234         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1235         if (ipconfig->address == NULL) {
1236                 g_free(ipconfig);
1237                 return NULL;
1238         }
1239
1240         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1241
1242         DBG("ipconfig %p", ipconfig);
1243
1244         return ipconfig;
1245 }
1246
1247
1248 /**
1249  * connman_ipconfig_ref:
1250  * @ipconfig: ipconfig structure
1251  *
1252  * Increase reference counter of ipconfig
1253  */
1254 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
1255 {
1256         DBG("ipconfig %p refcount %d", ipconfig,
1257                                 g_atomic_int_get(&ipconfig->refcount) + 1);
1258
1259         g_atomic_int_inc(&ipconfig->refcount);
1260
1261         return ipconfig;
1262 }
1263
1264 /**
1265  * connman_ipconfig_unref:
1266  * @ipconfig: ipconfig structure
1267  *
1268  * Decrease reference counter of ipconfig
1269  */
1270 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1271 {
1272         if (ipconfig == NULL)
1273                 return;
1274
1275         DBG("ipconfig %p refcount %d", ipconfig,
1276                         g_atomic_int_get(&ipconfig->refcount) - 1);
1277
1278         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1279                 __connman_ipconfig_disable(ipconfig);
1280
1281                 connman_ipconfig_set_ops(ipconfig, NULL);
1282
1283                 if (ipconfig->origin != NULL) {
1284                         connman_ipconfig_unref(ipconfig->origin);
1285                         ipconfig->origin = NULL;
1286                 }
1287
1288                 connman_ipaddress_free(ipconfig->system);
1289                 connman_ipaddress_free(ipconfig->address);
1290                 g_free(ipconfig->last_dhcp_address);
1291                 g_free(ipconfig);
1292         }
1293 }
1294
1295 /**
1296  * connman_ipconfig_get_data:
1297  * @ipconfig: ipconfig structure
1298  *
1299  * Get private data pointer
1300  */
1301 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1302 {
1303         if (ipconfig == NULL)
1304                 return NULL;
1305
1306         return ipconfig->ops_data;
1307 }
1308
1309 /**
1310  * connman_ipconfig_set_data:
1311  * @ipconfig: ipconfig structure
1312  * @data: data pointer
1313  *
1314  * Set private data pointer
1315  */
1316 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1317 {
1318         ipconfig->ops_data = data;
1319 }
1320
1321 /**
1322  * connman_ipconfig_get_index:
1323  * @ipconfig: ipconfig structure
1324  *
1325  * Get interface index
1326  */
1327 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1328 {
1329         if (ipconfig == NULL)
1330                 return -1;
1331
1332         if (ipconfig->origin != NULL)
1333                 return ipconfig->origin->index;
1334
1335         return ipconfig->index;
1336 }
1337
1338 /**
1339  * connman_ipconfig_get_ifname:
1340  * @ipconfig: ipconfig structure
1341  *
1342  * Get interface name
1343  */
1344 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1345 {
1346         struct connman_ipdevice *ipdevice;
1347
1348         if (ipconfig == NULL)
1349                 return NULL;
1350
1351         if (ipconfig->index < 0)
1352                 return NULL;
1353
1354         ipdevice = g_hash_table_lookup(ipdevice_hash,
1355                                         GINT_TO_POINTER(ipconfig->index));
1356         if (ipdevice == NULL)
1357                 return NULL;
1358
1359         return ipdevice->ifname;
1360 }
1361
1362 /**
1363  * connman_ipconfig_set_ops:
1364  * @ipconfig: ipconfig structure
1365  * @ops: operation callbacks
1366  *
1367  * Set the operation callbacks
1368  */
1369 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1370                                 const struct connman_ipconfig_ops *ops)
1371 {
1372         ipconfig->ops = ops;
1373 }
1374
1375 /**
1376  * connman_ipconfig_set_method:
1377  * @ipconfig: ipconfig structure
1378  * @method: configuration method
1379  *
1380  * Set the configuration method
1381  */
1382 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1383                                         enum connman_ipconfig_method method)
1384 {
1385         ipconfig->method = method;
1386
1387         return 0;
1388 }
1389
1390 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1391 {
1392         if (ipconfig == NULL)
1393                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1394
1395         return ipconfig->method;
1396 }
1397
1398 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1399 {
1400         DBG("");
1401
1402         switch (ipconfig->method) {
1403         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1404         case CONNMAN_IPCONFIG_METHOD_OFF:
1405         case CONNMAN_IPCONFIG_METHOD_AUTO:
1406                 break;
1407         case CONNMAN_IPCONFIG_METHOD_FIXED:
1408         case CONNMAN_IPCONFIG_METHOD_DHCP:
1409         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1410                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1411                         return connman_inet_set_address(ipconfig->index,
1412                                                         ipconfig->address);
1413                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1414                         return connman_inet_set_ipv6_address(
1415                                         ipconfig->index, ipconfig->address);
1416         }
1417
1418         return 0;
1419 }
1420
1421 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1422 {
1423         int err;
1424
1425         DBG("");
1426
1427         if (ipconfig == NULL)
1428                 return 0;
1429
1430         DBG("method %d", ipconfig->method);
1431
1432         switch (ipconfig->method) {
1433         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1434         case CONNMAN_IPCONFIG_METHOD_OFF:
1435         case CONNMAN_IPCONFIG_METHOD_AUTO:
1436                 break;
1437         case CONNMAN_IPCONFIG_METHOD_FIXED:
1438         case CONNMAN_IPCONFIG_METHOD_DHCP:
1439         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1440                 err = __connman_ipconfig_address_unset(ipconfig);
1441                 connman_ipaddress_clear(ipconfig->address);
1442
1443                 return err;
1444         }
1445
1446         return 0;
1447 }
1448
1449 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1450 {
1451         int err;
1452
1453         DBG("");
1454
1455         if (ipconfig == NULL)
1456                 return 0;
1457
1458         DBG("method %d", ipconfig->method);
1459
1460         switch (ipconfig->method) {
1461         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1462         case CONNMAN_IPCONFIG_METHOD_OFF:
1463         case CONNMAN_IPCONFIG_METHOD_AUTO:
1464                 break;
1465         case CONNMAN_IPCONFIG_METHOD_FIXED:
1466         case CONNMAN_IPCONFIG_METHOD_DHCP:
1467         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1468                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1469                         err = connman_inet_clear_address(ipconfig->index,
1470                                                         ipconfig->address);
1471                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1472                         err = connman_inet_clear_ipv6_address(
1473                                                 ipconfig->index,
1474                                                 ipconfig->address->local,
1475                                                 ipconfig->address->prefixlen);
1476                 else
1477                         err = -EINVAL;
1478
1479                 return err;
1480         }
1481
1482         return 0;
1483 }
1484
1485 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1486                                                         const char *url)
1487 {
1488         struct connman_ipdevice *ipdevice;
1489
1490         DBG("ipconfig %p", ipconfig);
1491
1492         if (ipconfig == NULL || ipconfig->index < 0)
1493                 return -ENODEV;
1494
1495         ipdevice = g_hash_table_lookup(ipdevice_hash,
1496                                         GINT_TO_POINTER(ipconfig->index));
1497         if (ipdevice == NULL)
1498                 return -ENXIO;
1499
1500         g_free(ipdevice->pac);
1501         ipdevice->pac = g_strdup(url);
1502
1503         return 0;
1504 }
1505
1506 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1507 {
1508         struct connman_ipdevice *ipdevice;
1509
1510         DBG("ipconfig %p", ipconfig);
1511
1512         if (ipconfig == NULL || ipconfig->index < 0)
1513                 return NULL;
1514
1515         ipdevice = g_hash_table_lookup(ipdevice_hash,
1516                                         GINT_TO_POINTER(ipconfig->index));
1517         if (ipdevice == NULL)
1518                 return NULL;
1519
1520         return ipdevice->pac;
1521 }
1522
1523 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1524                                         const char *address)
1525 {
1526         if (ipconfig == NULL)
1527                 return;
1528
1529         g_free(ipconfig->last_dhcp_address);
1530         ipconfig->last_dhcp_address = g_strdup(address);
1531 }
1532
1533 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1534 {
1535         if (ipconfig == NULL)
1536                 return NULL;
1537
1538         return ipconfig->last_dhcp_address;
1539 }
1540
1541 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1542 {
1543         struct connman_ipdevice *ipdevice;
1544
1545         DBG("");
1546
1547         ipdevice = g_hash_table_lookup(ipdevice_hash,
1548                                         GINT_TO_POINTER(ipconfig->index));
1549         if (ipdevice == NULL)
1550                 return;
1551
1552         set_ipv6_state(ipdevice->ifname, FALSE);
1553 }
1554
1555 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1556 {
1557         struct connman_ipdevice *ipdevice;
1558
1559         DBG("");
1560
1561         ipdevice = g_hash_table_lookup(ipdevice_hash,
1562                                         GINT_TO_POINTER(ipconfig->index));
1563         if (ipdevice == NULL)
1564                 return;
1565
1566         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1567                 set_ipv6_privacy(ipdevice->ifname,
1568                                 ipconfig->ipv6_privacy_config);
1569
1570         set_ipv6_state(ipdevice->ifname, TRUE);
1571 }
1572
1573 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1574 {
1575         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1576                 return;
1577
1578         enable_ipv6(ipconfig);
1579 }
1580
1581 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1582 {
1583         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1584                 return;
1585
1586         disable_ipv6(ipconfig);
1587 }
1588
1589 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1590 {
1591         struct connman_ipdevice *ipdevice;
1592         gboolean up = FALSE, down = FALSE;
1593         gboolean lower_up = FALSE, lower_down = FALSE;
1594         enum connman_ipconfig_type type;
1595
1596         DBG("ipconfig %p", ipconfig);
1597
1598         if (ipconfig == NULL || ipconfig->index < 0)
1599                 return -ENODEV;
1600
1601         ipdevice = g_hash_table_lookup(ipdevice_hash,
1602                                         GINT_TO_POINTER(ipconfig->index));
1603         if (ipdevice == NULL)
1604                 return -ENXIO;
1605
1606         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1607                 if (ipdevice->config_ipv4 == ipconfig)
1608                         return -EALREADY;
1609                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1610         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1611                 if (ipdevice->config_ipv6 == ipconfig)
1612                         return -EALREADY;
1613                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1614                 enable_ipv6(ipconfig);
1615         } else
1616                 return -EINVAL;
1617
1618         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1619                                         ipdevice->config_ipv4 != NULL) {
1620                 ipconfig_list = g_list_remove(ipconfig_list,
1621                                                         ipdevice->config_ipv4);
1622
1623                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1624
1625                 connman_ipconfig_unref(ipdevice->config_ipv4);
1626         }
1627
1628         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1629                                         ipdevice->config_ipv6 != NULL) {
1630                 ipconfig_list = g_list_remove(ipconfig_list,
1631                                                         ipdevice->config_ipv6);
1632
1633                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1634
1635                 connman_ipconfig_unref(ipdevice->config_ipv6);
1636         }
1637
1638         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1639                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1640         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1641                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1642
1643         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1644
1645         if (ipdevice->flags & IFF_UP)
1646                 up = TRUE;
1647         else
1648                 down = TRUE;
1649
1650         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1651                         (IFF_RUNNING | IFF_LOWER_UP))
1652                 lower_up = TRUE;
1653         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1654                 lower_down = TRUE;
1655
1656         if (up == TRUE && ipconfig->ops->up)
1657                 ipconfig->ops->up(ipconfig);
1658         if (lower_up == TRUE && ipconfig->ops->lower_up)
1659                 ipconfig->ops->lower_up(ipconfig);
1660
1661         if (lower_down == TRUE && ipconfig->ops->lower_down)
1662                 ipconfig->ops->lower_down(ipconfig);
1663         if (down == TRUE && ipconfig->ops->down)
1664                 ipconfig->ops->down(ipconfig);
1665
1666         return 0;
1667 }
1668
1669 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1670 {
1671         struct connman_ipdevice *ipdevice;
1672
1673         DBG("ipconfig %p", ipconfig);
1674
1675         if (ipconfig == NULL || ipconfig->index < 0)
1676                 return -ENODEV;
1677
1678         ipdevice = g_hash_table_lookup(ipdevice_hash,
1679                                         GINT_TO_POINTER(ipconfig->index));
1680         if (ipdevice == NULL)
1681                 return -ENXIO;
1682
1683         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1684                 return -EINVAL;
1685
1686         if (ipdevice->config_ipv4 == ipconfig) {
1687                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1688
1689                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1690                 connman_ipconfig_unref(ipdevice->config_ipv4);
1691                 ipdevice->config_ipv4 = NULL;
1692                 return 0;
1693         }
1694
1695         if (ipdevice->config_ipv6 == ipconfig) {
1696                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1697
1698                 if (ipdevice->config_ipv6->method ==
1699                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1700                         disable_ipv6(ipdevice->config_ipv6);
1701
1702                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1703                 connman_ipconfig_unref(ipdevice->config_ipv6);
1704                 ipdevice->config_ipv6 = NULL;
1705                 return 0;
1706         }
1707
1708         return -EINVAL;
1709 }
1710
1711 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1712 {
1713         switch (method) {
1714         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1715                 break;
1716         case CONNMAN_IPCONFIG_METHOD_OFF:
1717                 return "off";
1718         case CONNMAN_IPCONFIG_METHOD_FIXED:
1719                 return "fixed";
1720         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1721                 return "manual";
1722         case CONNMAN_IPCONFIG_METHOD_DHCP:
1723                 return "dhcp";
1724         case CONNMAN_IPCONFIG_METHOD_AUTO:
1725                 return "auto";
1726         }
1727
1728         return NULL;
1729 }
1730
1731 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1732 {
1733         if (g_strcmp0(method, "off") == 0)
1734                 return CONNMAN_IPCONFIG_METHOD_OFF;
1735         else if (g_strcmp0(method, "fixed") == 0)
1736                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1737         else if (g_strcmp0(method, "manual") == 0)
1738                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1739         else if (g_strcmp0(method, "dhcp") == 0)
1740                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1741         else if (g_strcmp0(method, "auto") == 0)
1742                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1743         else
1744                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1745 }
1746
1747 static const char *privacy2string(int privacy)
1748 {
1749         if (privacy <= 0)
1750                 return "disabled";
1751         else if (privacy == 1)
1752                 return "enabled";
1753         else if (privacy > 1)
1754                 return "prefered";
1755
1756         return "disabled";
1757 }
1758
1759 static int string2privacy(const char *privacy)
1760 {
1761         if (g_strcmp0(privacy, "disabled") == 0)
1762                 return 0;
1763         else if (g_strcmp0(privacy, "enabled") == 0)
1764                 return 1;
1765         else if (g_strcmp0(privacy, "prefered") == 0)
1766                 return 2;
1767         else
1768                 return 0;
1769 }
1770
1771 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1772                                                         DBusMessageIter *iter)
1773 {
1774         const char *str;
1775
1776         DBG("");
1777
1778         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1779                 return;
1780
1781         str = __connman_ipconfig_method2string(ipconfig->method);
1782         if (str == NULL)
1783                 return;
1784
1785         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1786
1787         if (ipconfig->system == NULL)
1788                 return;
1789
1790         if (ipconfig->system->local != NULL) {
1791                 in_addr_t addr;
1792                 struct in_addr netmask;
1793                 char *mask;
1794
1795                 connman_dbus_dict_append_basic(iter, "Address",
1796                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1797
1798                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1799                 netmask.s_addr = htonl(addr);
1800                 mask = inet_ntoa(netmask);
1801                 connman_dbus_dict_append_basic(iter, "Netmask",
1802                                                 DBUS_TYPE_STRING, &mask);
1803         }
1804
1805         if (ipconfig->system->gateway != NULL)
1806                 connman_dbus_dict_append_basic(iter, "Gateway",
1807                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1808 }
1809
1810 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1811                                         DBusMessageIter *iter,
1812                                         struct connman_ipconfig *ipconfig_ipv4)
1813 {
1814         const char *str, *privacy;
1815
1816         DBG("");
1817
1818         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1819                 return;
1820
1821         str = __connman_ipconfig_method2string(ipconfig->method);
1822         if (str == NULL)
1823                 return;
1824
1825         if (ipconfig_ipv4 != NULL &&
1826                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1827                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1828                         str = "6to4";
1829         }
1830
1831         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1832
1833         if (ipconfig->system == NULL)
1834                 return;
1835
1836         if (ipconfig->system->local != NULL) {
1837                 connman_dbus_dict_append_basic(iter, "Address",
1838                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1839                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1840                                                 DBUS_TYPE_BYTE,
1841                                                 &ipconfig->system->prefixlen);
1842         }
1843
1844         if (ipconfig->system->gateway != NULL)
1845                 connman_dbus_dict_append_basic(iter, "Gateway",
1846                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1847
1848         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1849         connman_dbus_dict_append_basic(iter, "Privacy",
1850                                 DBUS_TYPE_STRING, &privacy);
1851 }
1852
1853 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1854                                                         DBusMessageIter *iter)
1855 {
1856         const char *str, *privacy;
1857
1858         DBG("");
1859
1860         str = __connman_ipconfig_method2string(ipconfig->method);
1861         if (str == NULL)
1862                 return;
1863
1864         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1865
1866         switch (ipconfig->method) {
1867         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1868         case CONNMAN_IPCONFIG_METHOD_OFF:
1869         case CONNMAN_IPCONFIG_METHOD_DHCP:
1870                 return;
1871         case CONNMAN_IPCONFIG_METHOD_FIXED:
1872         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1873         case CONNMAN_IPCONFIG_METHOD_AUTO:
1874                 break;
1875         }
1876
1877         if (ipconfig->address == NULL)
1878                 return;
1879
1880         if (ipconfig->address->local != NULL) {
1881                 connman_dbus_dict_append_basic(iter, "Address",
1882                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1883                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1884                                                 DBUS_TYPE_BYTE,
1885                                                 &ipconfig->address->prefixlen);
1886         }
1887
1888         if (ipconfig->address->gateway != NULL)
1889                 connman_dbus_dict_append_basic(iter, "Gateway",
1890                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1891
1892         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1893         connman_dbus_dict_append_basic(iter, "Privacy",
1894                                 DBUS_TYPE_STRING, &privacy);
1895 }
1896
1897 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1898                                                         DBusMessageIter *iter)
1899 {
1900         const char *str;
1901
1902         DBG("");
1903
1904         str = __connman_ipconfig_method2string(ipconfig->method);
1905         if (str == NULL)
1906                 return;
1907
1908         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1909
1910         switch (ipconfig->method) {
1911         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1912         case CONNMAN_IPCONFIG_METHOD_OFF:
1913         case CONNMAN_IPCONFIG_METHOD_FIXED:
1914         case CONNMAN_IPCONFIG_METHOD_DHCP:
1915         case CONNMAN_IPCONFIG_METHOD_AUTO:
1916                 return;
1917         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1918                 break;
1919         }
1920
1921         if (ipconfig->address == NULL)
1922                 return;
1923
1924         if (ipconfig->address->local != NULL) {
1925                 in_addr_t addr;
1926                 struct in_addr netmask;
1927                 char *mask;
1928
1929                 connman_dbus_dict_append_basic(iter, "Address",
1930                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1931
1932                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1933                 netmask.s_addr = htonl(addr);
1934                 mask = inet_ntoa(netmask);
1935                 connman_dbus_dict_append_basic(iter, "Netmask",
1936                                                 DBUS_TYPE_STRING, &mask);
1937         }
1938
1939         if (ipconfig->address->gateway != NULL)
1940                 connman_dbus_dict_append_basic(iter, "Gateway",
1941                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1942 }
1943
1944 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1945                                                         DBusMessageIter *array)
1946 {
1947         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1948         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1949                 *prefix_length_string = NULL, *privacy_string = NULL;
1950         int prefix_length = 0, privacy = 0;
1951         DBusMessageIter dict;
1952
1953         DBG("ipconfig %p", ipconfig);
1954
1955         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1956                 return -EINVAL;
1957
1958         dbus_message_iter_recurse(array, &dict);
1959
1960         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1961                 DBusMessageIter entry;
1962                 const char *key;
1963                 int type;
1964
1965                 dbus_message_iter_recurse(&dict, &entry);
1966
1967                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1968                         return -EINVAL;
1969
1970                 dbus_message_iter_get_basic(&entry, &key);
1971                 dbus_message_iter_next(&entry);
1972
1973                 type = dbus_message_iter_get_arg_type(&entry);
1974
1975                 if (g_str_equal(key, "Method") == TRUE) {
1976                         const char *str;
1977
1978                         if (type != DBUS_TYPE_STRING)
1979                                 return -EINVAL;
1980
1981                         dbus_message_iter_get_basic(&entry, &str);
1982                         method = __connman_ipconfig_string2method(str);
1983                 } else if (g_str_equal(key, "Address") == TRUE) {
1984                         if (type != DBUS_TYPE_STRING)
1985                                 return -EINVAL;
1986
1987                         dbus_message_iter_get_basic(&entry, &address);
1988                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1989                         if (type != DBUS_TYPE_STRING)
1990                                 return -EINVAL;
1991
1992                         dbus_message_iter_get_basic(&entry,
1993                                                         &prefix_length_string);
1994
1995                         prefix_length = atoi(prefix_length_string);
1996                         if (prefix_length < 0 || prefix_length > 128)
1997                                 return -EINVAL;
1998
1999                 } else if (g_str_equal(key, "Netmask") == TRUE) {
2000                         if (type != DBUS_TYPE_STRING)
2001                                 return -EINVAL;
2002
2003                         dbus_message_iter_get_basic(&entry, &netmask);
2004                 } else if (g_str_equal(key, "Gateway") == TRUE) {
2005                         if (type != DBUS_TYPE_STRING)
2006                                 return -EINVAL;
2007
2008                         dbus_message_iter_get_basic(&entry, &gateway);
2009                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2010                         if (type != DBUS_TYPE_STRING)
2011                                 return -EINVAL;
2012
2013                         dbus_message_iter_get_basic(&entry, &privacy_string);
2014                         privacy = string2privacy(privacy_string);
2015                 }
2016                 dbus_message_iter_next(&dict);
2017         }
2018
2019         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2020                 "privacy %s",
2021                 method, address, netmask, gateway, prefix_length,
2022                 privacy_string);
2023
2024         switch (method) {
2025         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2026         case CONNMAN_IPCONFIG_METHOD_FIXED:
2027                 return -EINVAL;
2028
2029         case CONNMAN_IPCONFIG_METHOD_OFF:
2030                 ipconfig->method = method;
2031                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2032                         disable_ipv6(ipconfig);
2033                 break;
2034
2035         case CONNMAN_IPCONFIG_METHOD_AUTO:
2036                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2037                         return -EINVAL;
2038
2039                 ipconfig->method = method;
2040                 if (privacy_string != NULL)
2041                         ipconfig->ipv6_privacy_config = privacy;
2042                 enable_ipv6(ipconfig);
2043                 break;
2044
2045         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2046                 if (address == NULL)
2047                         return -EINVAL;
2048
2049                 ipconfig->method = method;
2050
2051                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2052                         connman_ipaddress_set_ipv4(ipconfig->address,
2053                                                 address, netmask, gateway);
2054                 else
2055                         return connman_ipaddress_set_ipv6(
2056                                         ipconfig->address, address,
2057                                                 prefix_length, gateway);
2058                 break;
2059
2060         case CONNMAN_IPCONFIG_METHOD_DHCP:
2061                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2062                         return -EOPNOTSUPP;
2063
2064                 ipconfig->method = method;
2065                 break;
2066         }
2067
2068         return 0;
2069 }
2070
2071 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2072                                                         DBusMessageIter *iter)
2073 {
2074         struct connman_ipdevice *ipdevice;
2075         const char *method = "auto";
2076
2077         connman_dbus_dict_append_basic(iter, "Method",
2078                                                 DBUS_TYPE_STRING, &method);
2079
2080         ipdevice = g_hash_table_lookup(ipdevice_hash,
2081                                         GINT_TO_POINTER(ipconfig->index));
2082         if (ipdevice == NULL)
2083                 return;
2084
2085         if (ipdevice->ifname != NULL)
2086                 connman_dbus_dict_append_basic(iter, "Interface",
2087                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2088
2089         if (ipdevice->address != NULL)
2090                 connman_dbus_dict_append_basic(iter, "Address",
2091                                         DBUS_TYPE_STRING, &ipdevice->address);
2092
2093         if (ipdevice->mtu > 0)
2094                 connman_dbus_dict_append_basic(iter, "MTU",
2095                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2096 }
2097
2098 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2099                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2100 {
2101         char *method;
2102         char *key;
2103         char *str;
2104
2105         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2106
2107         key = g_strdup_printf("%smethod", prefix);
2108         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2109         if (method == NULL) {
2110                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2111                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2112                 else
2113                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2114         } else
2115                 ipconfig->method = __connman_ipconfig_string2method(method);
2116
2117         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2118                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2119
2120         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2121                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2122                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2123                         char *privacy;
2124                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2125                         privacy = g_key_file_get_string(keyfile, identifier,
2126                                                         pprefix, NULL);
2127                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2128                         g_free(pprefix);
2129                         g_free(privacy);
2130
2131                         __connman_ipconfig_enable(ipconfig);
2132                         enable_ipv6(ipconfig);
2133                 }
2134         }
2135
2136         g_free(method);
2137         g_free(key);
2138
2139         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2140         ipconfig->address->prefixlen = g_key_file_get_integer(
2141                                 keyfile, identifier, key, NULL);
2142         g_free(key);
2143
2144         key = g_strdup_printf("%slocal_address", prefix);
2145         ipconfig->address->local = g_key_file_get_string(
2146                         keyfile, identifier, key, NULL);
2147         g_free(key);
2148
2149         key = g_strdup_printf("%speer_address", prefix);
2150         ipconfig->address->peer = g_key_file_get_string(
2151                                 keyfile, identifier, key, NULL);
2152         g_free(key);
2153
2154         key = g_strdup_printf("%sbroadcast_address", prefix);
2155         ipconfig->address->broadcast = g_key_file_get_string(
2156                                 keyfile, identifier, key, NULL);
2157         g_free(key);
2158
2159         key = g_strdup_printf("%sgateway", prefix);
2160         ipconfig->address->gateway = g_key_file_get_string(
2161                                 keyfile, identifier, key, NULL);
2162         g_free(key);
2163
2164         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2165         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2166         if (str != NULL) {
2167                 g_free(ipconfig->last_dhcp_address);
2168                 ipconfig->last_dhcp_address = str;
2169         }
2170         g_free(key);
2171
2172         return 0;
2173 }
2174
2175 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2176                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2177 {
2178         const char *method;
2179         char *key;
2180
2181         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2182
2183         method = __connman_ipconfig_method2string(ipconfig->method);
2184
2185         key = g_strdup_printf("%smethod", prefix);
2186         g_key_file_set_string(keyfile, identifier, key, method);
2187         g_free(key);
2188
2189         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2190                 const char *privacy;
2191                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2192                 key = g_strdup_printf("%sprivacy", prefix);
2193                 g_key_file_set_string(keyfile, identifier, key, privacy);
2194                 g_free(key);
2195         }
2196
2197         switch (ipconfig->method) {
2198         case CONNMAN_IPCONFIG_METHOD_FIXED:
2199         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2200                 break;
2201         case CONNMAN_IPCONFIG_METHOD_DHCP:
2202                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2203                 if (ipconfig->last_dhcp_address != NULL &&
2204                                 strlen(ipconfig->last_dhcp_address) > 0)
2205                         g_key_file_set_string(keyfile, identifier, key,
2206                                         ipconfig->last_dhcp_address);
2207                 else
2208                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2209                 g_free(key);
2210                 /* fall through */
2211         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2212         case CONNMAN_IPCONFIG_METHOD_OFF:
2213         case CONNMAN_IPCONFIG_METHOD_AUTO:
2214                 return 0;
2215         }
2216
2217         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2218         g_key_file_set_integer(keyfile, identifier,
2219                         key, ipconfig->address->prefixlen);
2220         g_free(key);
2221
2222         key = g_strdup_printf("%slocal_address", prefix);
2223         if (ipconfig->address->local != NULL)
2224                 g_key_file_set_string(keyfile, identifier,
2225                                 key, ipconfig->address->local);
2226         g_free(key);
2227
2228         key = g_strdup_printf("%speer_address", prefix);
2229         if (ipconfig->address->peer != NULL)
2230                 g_key_file_set_string(keyfile, identifier,
2231                                 key, ipconfig->address->peer);
2232         g_free(key);
2233
2234         key = g_strdup_printf("%sbroadcast_address", prefix);
2235         if (ipconfig->address->broadcast != NULL)
2236                 g_key_file_set_string(keyfile, identifier,
2237                         key, ipconfig->address->broadcast);
2238         g_free(key);
2239
2240         key = g_strdup_printf("%sgateway", prefix);
2241         if (ipconfig->address->gateway != NULL)
2242                 g_key_file_set_string(keyfile, identifier,
2243                         key, ipconfig->address->gateway);
2244         g_free(key);
2245
2246         return 0;
2247 }
2248
2249 int __connman_ipconfig_init(void)
2250 {
2251         DBG("");
2252
2253         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2254                                                         NULL, free_ipdevice);
2255
2256         return 0;
2257 }
2258
2259 void __connman_ipconfig_cleanup(void)
2260 {
2261         DBG("");
2262
2263         g_hash_table_destroy(ipdevice_hash);
2264         ipdevice_hash = NULL;
2265 }