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         int 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 int get_rp_filter()
 456 {
 457         FILE *f;
 458         int value = -EINVAL, tmp;
 459
 460         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
 461
 462         if (f != NULL) {
 463                 if (fscanf(f, "%d", &tmp) == 1)
 464                         value = tmp;
 465                 fclose(f);
 466         }
 467
 468         return value;
 469 }
 470
 471 static void set_rp_filter(int value)
 472 {
 473         FILE *f;
 474
 475         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 476
 477         if (f == NULL)
 478                 return;
 479
 480         fprintf(f, "%d", value);
 481
 482         fclose(f);
 483 }
 484
 485 int __connman_ipconfig_set_rp_filter()
 486 {
 487         int value;
 488
 489         value = get_rp_filter();
 490
 491         if (value < 0)
 492                 return value;
 493
 494         set_rp_filter(2);
 495
 496         connman_info("rp_filter set to 2 (loose mode routing), "
 497                         "old value was %d", value);
 498
 499         return value;
 500 }
 501
 502 void __connman_ipconfig_unset_rp_filter(int old_value)
 503 {
 504         set_rp_filter(old_value);
 505
 506         connman_info("rp_filter restored to %d", old_value);
 507 }
 508
 509 static void free_ipdevice(gpointer data)
 510 {
 511         struct connman_ipdevice *ipdevice = data;
 512
 513         connman_info("%s {remove} index %d", ipdevice->ifname,
 514                                                         ipdevice->index);
 515
 516         if (ipdevice->config_ipv4 != NULL) {
 517                 connman_ipconfig_unref(ipdevice->config_ipv4);
 518                 ipdevice->config_ipv4 = NULL;
 519         }
 520
 521         if (ipdevice->config_ipv6 != NULL) {
 522                 connman_ipconfig_unref(ipdevice->config_ipv6);
 523                 ipdevice->config_ipv6 = NULL;
 524         }
 525
 526         free_address_list(ipdevice);
 527         g_free(ipdevice->ipv4_gateway);
 528         g_free(ipdevice->ipv6_gateway);
 529         g_free(ipdevice->pac);
 530
 531         g_free(ipdevice->address);
 532
 533         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 534         set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
 535
 536         g_free(ipdevice->ifname);
 537         g_free(ipdevice);
 538 }
 539
 540 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 541 {
 542         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 543                                         ipdevice->config_ipv6);
 544 }
 545
 546 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 547 {
 548         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 549                                         ipdevice->config_ipv6);
 550
 551         if (ipdevice->config_ipv4)
 552                 connman_inet_clear_address(ipdevice->index,
 553                                         ipdevice->config_ipv4->address);
 554
 555         if (ipdevice->config_ipv6)
 556                 connman_inet_clear_ipv6_address(ipdevice->index,
 557                                 ipdevice->config_ipv6->address->local,
 558                                 ipdevice->config_ipv6->address->prefixlen);
 559 }
 560
 561 static void update_stats(struct connman_ipdevice *ipdevice,
 562                                                 struct rtnl_link_stats *stats)
 563 {
 564         struct connman_service *service;
 565
 566         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 567                 return;
 568
 569         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 570                                         stats->rx_packets, stats->rx_bytes);
 571         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 572                                         stats->tx_packets, stats->tx_bytes);
 573
 574         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 575                 return;
 576
 577         if (ipdevice->config_ipv4)
 578                 service = connman_ipconfig_get_data(ipdevice->config_ipv4);
 579         else if (ipdevice->config_ipv6)
 580                 service = connman_ipconfig_get_data(ipdevice->config_ipv6);
 581         else
 582                 return;
 583
 584         if (service == NULL)
 585                 return;
 586
 587         ipdevice->rx_packets = stats->rx_packets;
 588         ipdevice->tx_packets = stats->tx_packets;
 589         ipdevice->rx_bytes = stats->rx_bytes;
 590         ipdevice->tx_bytes = stats->tx_bytes;
 591         ipdevice->rx_errors = stats->rx_errors;
 592         ipdevice->tx_errors = stats->tx_errors;
 593         ipdevice->rx_dropped = stats->rx_dropped;
 594         ipdevice->tx_dropped = stats->tx_dropped;
 595
 596         __connman_service_notify(service,
 597                                 ipdevice->rx_packets, ipdevice->tx_packets,
 598                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 599                                 ipdevice->rx_errors, ipdevice->tx_errors,
 600                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 601 }
 602
 603 void __connman_ipconfig_newlink(int index, unsigned short type,
 604                                 unsigned int flags, const char *address,
 605                                                         unsigned short mtu,
 606                                                 struct rtnl_link_stats *stats)
 607 {
 608         struct connman_ipdevice *ipdevice;
 609         GList *list;
 610         GString *str;
 611         gboolean up = FALSE, down = FALSE;
 612         gboolean lower_up = FALSE, lower_down = FALSE;
 613
 614         DBG("index %d", index);
 615
 616         if (type == ARPHRD_LOOPBACK)
 617                 return;
 618
 619         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 620         if (ipdevice != NULL)
 621                 goto update;
 622
 623         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 624         if (ipdevice == NULL)
 625                 return;
 626
 627         ipdevice->index = index;
 628         ipdevice->ifname = connman_inet_ifname(index);
 629         ipdevice->type = type;
 630
 631         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 632         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 633
 634         ipdevice->address = g_strdup(address);
 635
 636         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 637
 638         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 639                                                 index, type, type2str(type));
 640
 641 update:
 642         ipdevice->mtu = mtu;
 643
 644         update_stats(ipdevice, stats);
 645
 646         if (flags == ipdevice->flags)
 647                 return;
 648
 649         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 650                 if (flags & IFF_UP)
 651                         up = TRUE;
 652                 else
 653                         down = TRUE;
 654         }
 655
 656         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 657                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 658                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 659                                         (IFF_RUNNING | IFF_LOWER_UP))
 660                         lower_up = TRUE;
 661                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 662                         lower_down = TRUE;
 663         }
 664
 665         ipdevice->flags = flags;
 666
 667         str = g_string_new(NULL);
 668         if (str == NULL)
 669                 return;
 670
 671         if (flags & IFF_UP)
 672                 g_string_append(str, "UP");
 673         else
 674                 g_string_append(str, "DOWN");
 675
 676         if (flags & IFF_RUNNING)
 677                 g_string_append(str, ",RUNNING");
 678
 679         if (flags & IFF_LOWER_UP)
 680                 g_string_append(str, ",LOWER_UP");
 681
 682         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 683                                                         flags, str->str);
 684
 685         g_string_free(str, TRUE);
 686
 687         for (list = g_list_first(ipconfig_list); list;
 688                                                 list = g_list_next(list)) {
 689                 struct connman_ipconfig *ipconfig = list->data;
 690
 691                 if (index != ipconfig->index)
 692                         continue;
 693
 694                 if (ipconfig->ops == NULL)
 695                         continue;
 696
 697                 if (up == TRUE && ipconfig->ops->up)
 698                         ipconfig->ops->up(ipconfig);
 699                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 700                         ipconfig->ops->lower_up(ipconfig);
 701
 702                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 703                         ipconfig->ops->lower_down(ipconfig);
 704                 if (down == TRUE && ipconfig->ops->down)
 705                         ipconfig->ops->down(ipconfig);
 706         }
 707
 708         if (lower_up)
 709                 __connman_ipconfig_lower_up(ipdevice);
 710         if (lower_down)
 711                 __connman_ipconfig_lower_down(ipdevice);
 712 }
 713
 714 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 715 {
 716         struct connman_ipdevice *ipdevice;
 717         GList *list;
 718
 719         DBG("index %d", index);
 720
 721         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 722         if (ipdevice == NULL)
 723                 return;
 724
 725         update_stats(ipdevice, stats);
 726
 727         for (list = g_list_first(ipconfig_list); list;
 728                                                 list = g_list_next(list)) {
 729                 struct connman_ipconfig *ipconfig = list->data;
 730
 731                 if (index != ipconfig->index)
 732                         continue;
 733
 734                 ipconfig->index = -1;
 735
 736                 if (ipconfig->ops == NULL)
 737                         continue;
 738
 739                 if (ipconfig->ops->lower_down)
 740                         ipconfig->ops->lower_down(ipconfig);
 741                 if (ipconfig->ops->down)
 742                         ipconfig->ops->down(ipconfig);
 743         }
 744
 745         __connman_ipconfig_lower_down(ipdevice);
 746
 747         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 748 }
 749
 750 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 751 {
 752         const struct connman_ipaddress *addr1 = a;
 753         const struct connman_ipaddress *addr2 = b;
 754
 755         if (addr1->prefixlen != addr2->prefixlen)
 756                 return addr2->prefixlen - addr1->prefixlen;
 757
 758         return g_strcmp0(addr1->local, addr2->local);
 759 }
 760
 761 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 762                                 unsigned char prefixlen, const char *address)
 763 {
 764         struct connman_ipdevice *ipdevice;
 765         struct connman_ipaddress *ipaddress;
 766         enum connman_ipconfig_type type;
 767         GList *list;
 768
 769         DBG("index %d", index);
 770
 771         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 772         if (ipdevice == NULL)
 773                 return;
 774
 775         ipaddress = connman_ipaddress_alloc(family);
 776         if (ipaddress == NULL)
 777                 return;
 778
 779         ipaddress->prefixlen = prefixlen;
 780         ipaddress->local = g_strdup(address);
 781
 782         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 783                                         check_duplicate_address)) {
 784                 connman_ipaddress_free(ipaddress);
 785                 return;
 786         }
 787
 788         if (family == AF_INET)
 789                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 790         else if (family == AF_INET6)
 791                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 792         else
 793                 return;
 794
 795         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 796                                                                 ipaddress);
 797
 798         connman_info("%s {add} address %s/%u label %s family %d",
 799                 ipdevice->ifname, address, prefixlen, label, family);
 800
 801         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 802                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 803                                         ipaddress);
 804
 805         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 806                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 807                                         ipaddress);
 808         else
 809                 return;
 810
 811         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 812                 return;
 813
 814         for (list = g_list_first(ipconfig_list); list;
 815                                                 list = g_list_next(list)) {
 816                 struct connman_ipconfig *ipconfig = list->data;
 817
 818                 if (index != ipconfig->index)
 819                         continue;
 820
 821                 if (type != ipconfig->type)
 822                         continue;
 823
 824                 if (ipconfig->ops == NULL)
 825                         continue;
 826
 827                 if (ipconfig->ops->ip_bound)
 828                         ipconfig->ops->ip_bound(ipconfig);
 829         }
 830 }
 831
 832 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 833                                 unsigned char prefixlen, const char *address)
 834 {
 835         struct connman_ipdevice *ipdevice;
 836         struct connman_ipaddress *ipaddress;
 837         enum connman_ipconfig_type type;
 838         GList *list;
 839
 840         DBG("index %d", index);
 841
 842         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 843         if (ipdevice == NULL)
 844                 return;
 845
 846         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 847         if (ipaddress == NULL)
 848                 return;
 849
 850         if (family == AF_INET)
 851                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 852         else if (family == AF_INET6)
 853                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 854         else
 855                 return;
 856
 857         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 858                                                                 ipaddress);
 859
 860         connman_ipaddress_clear(ipaddress);
 861         g_free(ipaddress);
 862
 863         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 864                                                 address, prefixlen, label);
 865
 866         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 867                 return;
 868
 869         if (g_slist_length(ipdevice->address_list) > 0)
 870                 return;
 871
 872         for (list = g_list_first(ipconfig_list); list;
 873                                                 list = g_list_next(list)) {
 874                 struct connman_ipconfig *ipconfig = list->data;
 875
 876                 if (index != ipconfig->index)
 877                         continue;
 878
 879                 if (type != ipconfig->type)
 880                         continue;
 881
 882                 if (ipconfig->ops == NULL)
 883                         continue;
 884
 885                 if (ipconfig->ops->ip_release)
 886                         ipconfig->ops->ip_release(ipconfig);
 887         }
 888 }
 889
 890 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 891                                         const char *dst, const char *gateway)
 892 {
 893         struct connman_ipdevice *ipdevice;
 894
 895         DBG("index %d", index);
 896
 897         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 898         if (ipdevice == NULL)
 899                 return;
 900
 901         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 902                                                 g_strcmp0(dst, "::") == 0)) {
 903                 GList *config_list;
 904                 enum connman_ipconfig_type type;
 905
 906                 if (family == AF_INET6) {
 907                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 908                         g_free(ipdevice->ipv6_gateway);
 909                         ipdevice->ipv6_gateway = g_strdup(gateway);
 910
 911                         if (ipdevice->config_ipv6 != NULL &&
 912                                 ipdevice->config_ipv6->system != NULL) {
 913                                 g_free(ipdevice->config_ipv6->system->gateway);
 914                                 ipdevice->config_ipv6->system->gateway =
 915                                         g_strdup(gateway);
 916                         }
 917                 } else if (family == AF_INET) {
 918                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 919                         g_free(ipdevice->ipv4_gateway);
 920                         ipdevice->ipv4_gateway = g_strdup(gateway);
 921
 922                         if (ipdevice->config_ipv4 != NULL &&
 923                                 ipdevice->config_ipv4->system != NULL) {
 924                                 g_free(ipdevice->config_ipv4->system->gateway);
 925                                 ipdevice->config_ipv4->system->gateway =
 926                                         g_strdup(gateway);
 927                         }
 928                 } else
 929                         return;
 930
 931                 for (config_list = g_list_first(ipconfig_list); config_list;
 932                                         config_list = g_list_next(config_list)) {
 933                         struct connman_ipconfig *ipconfig = config_list->data;
 934
 935                         if (index != ipconfig->index)
 936                                 continue;
 937
 938                         if (type != ipconfig->type)
 939                                 continue;
 940
 941                         if (ipconfig->ops == NULL)
 942                                 continue;
 943
 944                         if (ipconfig->ops->route_set)
 945                                 ipconfig->ops->route_set(ipconfig);
 946                 }
 947         }
 948
 949         connman_info("%s {add} route %s gw %s scope %u <%s>",
 950                                         ipdevice->ifname, dst, gateway,
 951                                                 scope, scope2str(scope));
 952 }
 953
 954 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 955                                         const char *dst, const char *gateway)
 956 {
 957         struct connman_ipdevice *ipdevice;
 958
 959         DBG("index %d", index);
 960
 961         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 962         if (ipdevice == NULL)
 963                 return;
 964
 965         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 966                                                 g_strcmp0(dst, "::") == 0)) {
 967                 GList *config_list;
 968                 enum connman_ipconfig_type type;
 969
 970                 if (family == AF_INET6) {
 971                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 972                         g_free(ipdevice->ipv6_gateway);
 973                         ipdevice->ipv6_gateway = NULL;
 974
 975                         if (ipdevice->config_ipv6 != NULL &&
 976                                 ipdevice->config_ipv6->system != NULL) {
 977                                 g_free(ipdevice->config_ipv6->system->gateway);
 978                                 ipdevice->config_ipv6->system->gateway = NULL;
 979                         }
 980                 } else if (family == AF_INET) {
 981                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 982                         g_free(ipdevice->ipv4_gateway);
 983                         ipdevice->ipv4_gateway = NULL;
 984
 985                         if (ipdevice->config_ipv4 != NULL &&
 986                                 ipdevice->config_ipv4->system != NULL) {
 987                                 g_free(ipdevice->config_ipv4->system->gateway);
 988                                 ipdevice->config_ipv4->system->gateway = NULL;
 989                         }
 990                 } else
 991                         return;
 992
 993                 for (config_list = g_list_first(ipconfig_list); config_list;
 994                                         config_list = g_list_next(config_list)) {
 995                         struct connman_ipconfig *ipconfig = config_list->data;
 996
 997                         if (index != ipconfig->index)
 998                                 continue;
 999
1000                         if (type != ipconfig->type)
1001                                 continue;
1002
1003                         if (ipconfig->ops == NULL)
1004                                 continue;
1005
1006                         if (ipconfig->ops->route_unset)
1007                                 ipconfig->ops->route_unset(ipconfig);
1008                 }
1009         }
1010
1011         connman_info("%s {del} route %s gw %s scope %u <%s>",
1012                                         ipdevice->ifname, dst, gateway,
1013                                                 scope, scope2str(scope));
1014 }
1015
1016 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
1017                                                         void *user_data)
1018 {
1019         GList *list, *keys;
1020
1021         keys = g_hash_table_get_keys(ipdevice_hash);
1022         if (keys == NULL)
1023                 return;
1024
1025         for (list = g_list_first(keys); list; list = g_list_next(list)) {
1026                 int index = GPOINTER_TO_INT(list->data);
1027
1028                 function(index, user_data);
1029         }
1030
1031         g_list_free(keys);
1032 }
1033
1034 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
1035                                         struct connman_ipconfig *ipconfig)
1036 {
1037         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
1038 }
1039
1040 unsigned short __connman_ipconfig_get_type_from_index(int index)
1041 {
1042         struct connman_ipdevice *ipdevice;
1043
1044         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1045         if (ipdevice == NULL)
1046                 return ARPHRD_VOID;
1047
1048         return ipdevice->type;
1049 }
1050
1051 unsigned int __connman_ipconfig_get_flags_from_index(int index)
1052 {
1053         struct connman_ipdevice *ipdevice;
1054
1055         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1056         if (ipdevice == NULL)
1057                 return 0;
1058
1059         return ipdevice->flags;
1060 }
1061
1062 const char *__connman_ipconfig_get_gateway_from_index(int index)
1063 {
1064         struct connman_ipdevice *ipdevice;
1065
1066         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1067         if (ipdevice == NULL)
1068                 return NULL;
1069
1070         if (ipdevice->ipv4_gateway != NULL)
1071                 return ipdevice->ipv4_gateway;
1072
1073         if (ipdevice->config_ipv4 != NULL &&
1074                         ipdevice->config_ipv4->address != NULL)
1075                 return ipdevice->config_ipv4->address->gateway;
1076
1077         if (ipdevice->ipv6_gateway != NULL)
1078                 return ipdevice->ipv6_gateway;
1079
1080         if (ipdevice->config_ipv6 != NULL &&
1081                         ipdevice->config_ipv6->address != NULL)
1082                 return ipdevice->config_ipv6->address->gateway;
1083
1084         return NULL;
1085 }
1086
1087 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
1088 {
1089         ipconfig->index = index;
1090 }
1091
1092 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
1093 {
1094         if (ipconfig->address == NULL)
1095                 return NULL;
1096
1097         return ipconfig->address->local;
1098 }
1099
1100 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
1101 {
1102         if (ipconfig->address == NULL)
1103                 return;
1104
1105         g_free(ipconfig->address->local);
1106         ipconfig->address->local = g_strdup(address);
1107 }
1108
1109 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
1110 {
1111         if (ipconfig->address == NULL)
1112                 return NULL;
1113
1114         return ipconfig->address->peer;
1115 }
1116
1117 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
1118 {
1119         if (ipconfig->address == NULL)
1120                 return;
1121
1122         g_free(ipconfig->address->peer);
1123         ipconfig->address->peer = g_strdup(address);
1124 }
1125
1126 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1127 {
1128         if (ipconfig->address == NULL)
1129                 return NULL;
1130
1131         return ipconfig->address->broadcast;
1132 }
1133
1134 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1135 {
1136         if (ipconfig->address == NULL)
1137                 return;
1138
1139         g_free(ipconfig->address->broadcast);
1140         ipconfig->address->broadcast = g_strdup(broadcast);
1141 }
1142
1143 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1144 {
1145         if (ipconfig->address == NULL)
1146                 return NULL;
1147
1148         return ipconfig->address->gateway;
1149 }
1150
1151 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1152 {
1153         DBG("");
1154
1155         if (ipconfig->address == NULL)
1156                 return;
1157         g_free(ipconfig->address->gateway);
1158         ipconfig->address->gateway = g_strdup(gateway);
1159 }
1160
1161 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1162 {
1163         struct connman_service *service;
1164
1165         DBG("");
1166
1167         if (ipconfig->address == NULL)
1168                 return -EINVAL;
1169
1170         service = __connman_service_lookup_from_index(ipconfig->index);
1171         if (service == NULL)
1172                 return -EINVAL;
1173
1174         __connman_connection_gateway_remove(service, ipconfig->type);
1175
1176         DBG("type %d gw %s peer %s", ipconfig->type,
1177                 ipconfig->address->gateway, ipconfig->address->peer);
1178
1179         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1180                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1181                 return __connman_connection_gateway_add(service,
1182                                                 ipconfig->address->gateway,
1183                                                 ipconfig->type,
1184                                                 ipconfig->address->peer);
1185
1186         return 0;
1187 }
1188
1189 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1190 {
1191         struct connman_service *service;
1192
1193         DBG("");
1194
1195         service = __connman_service_lookup_from_index(ipconfig->index);
1196         if (service != NULL)
1197                 __connman_connection_gateway_remove(service, ipconfig->type);
1198 }
1199
1200 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1201 {
1202         if (ipconfig->address == NULL)
1203                 return 0;
1204
1205         return ipconfig->address->prefixlen;
1206 }
1207
1208 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1209 {
1210         if (ipconfig->address == NULL)
1211                 return;
1212
1213         ipconfig->address->prefixlen = prefixlen;
1214 }
1215
1216 static struct connman_ipconfig *create_ipv6config(int index)
1217 {
1218         struct connman_ipconfig *ipv6config;
1219
1220         DBG("index %d", index);
1221
1222         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1223         if (ipv6config == NULL)
1224                 return NULL;
1225
1226         ipv6config->refcount = 1;
1227
1228         ipv6config->index = index;
1229         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1230         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1231         ipv6config->ipv6_privacy_config = 0;
1232
1233         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1234         if (ipv6config->address == NULL) {
1235                 g_free(ipv6config);
1236                 return NULL;
1237         }
1238
1239         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1240
1241         DBG("ipconfig %p", ipv6config);
1242
1243         return ipv6config;
1244 }
1245
1246 /**
1247  * connman_ipconfig_create:
1248  *
1249  * Allocate a new ipconfig structure.
1250  *
1251  * Returns: a newly-allocated #connman_ipconfig structure
1252  */
1253 struct connman_ipconfig *connman_ipconfig_create(int index,
1254                                         enum connman_ipconfig_type type)
1255 {
1256         struct connman_ipconfig *ipconfig;
1257
1258         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1259                 return create_ipv6config(index);
1260
1261         DBG("index %d", index);
1262
1263         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1264         if (ipconfig == NULL)
1265                 return NULL;
1266
1267         ipconfig->refcount = 1;
1268
1269         ipconfig->index = index;
1270         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1271
1272         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1273         if (ipconfig->address == NULL) {
1274                 g_free(ipconfig);
1275                 return NULL;
1276         }
1277
1278         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1279
1280         DBG("ipconfig %p", ipconfig);
1281
1282         return ipconfig;
1283 }
1284
1285
1286 /**
1287  * connman_ipconfig_ref:
1288  * @ipconfig: ipconfig structure
1289  *
1290  * Increase reference counter of ipconfig
1291  */
1292 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
1293 {
1294         DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount + 1);
1295
1296         __sync_fetch_and_add(&ipconfig->refcount, 1);
1297
1298         return ipconfig;
1299 }
1300
1301 /**
1302  * connman_ipconfig_unref:
1303  * @ipconfig: ipconfig structure
1304  *
1305  * Decrease reference counter of ipconfig
1306  */
1307 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1308 {
1309         if (ipconfig == NULL)
1310                 return;
1311
1312         DBG("ipconfig %p refcount %d", ipconfig, ipconfig->refcount - 1);
1313
1314         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1315                 return;
1316
1317         if (__connman_ipconfig_disable(ipconfig) < 0)
1318                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1319
1320         connman_ipconfig_set_ops(ipconfig, NULL);
1321
1322         if (ipconfig->origin != NULL) {
1323                 connman_ipconfig_unref(ipconfig->origin);
1324                 ipconfig->origin = NULL;
1325         }
1326
1327         connman_ipaddress_free(ipconfig->system);
1328         connman_ipaddress_free(ipconfig->address);
1329         g_free(ipconfig->last_dhcp_address);
1330         g_free(ipconfig);
1331 }
1332
1333 /**
1334  * connman_ipconfig_get_data:
1335  * @ipconfig: ipconfig structure
1336  *
1337  * Get private data pointer
1338  */
1339 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1340 {
1341         if (ipconfig == NULL)
1342                 return NULL;
1343
1344         return ipconfig->ops_data;
1345 }
1346
1347 /**
1348  * connman_ipconfig_set_data:
1349  * @ipconfig: ipconfig structure
1350  * @data: data pointer
1351  *
1352  * Set private data pointer
1353  */
1354 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1355 {
1356         ipconfig->ops_data = data;
1357 }
1358
1359 /**
1360  * connman_ipconfig_get_index:
1361  * @ipconfig: ipconfig structure
1362  *
1363  * Get interface index
1364  */
1365 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1366 {
1367         if (ipconfig == NULL)
1368                 return -1;
1369
1370         if (ipconfig->origin != NULL)
1371                 return ipconfig->origin->index;
1372
1373         return ipconfig->index;
1374 }
1375
1376 /**
1377  * connman_ipconfig_get_ifname:
1378  * @ipconfig: ipconfig structure
1379  *
1380  * Get interface name
1381  */
1382 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1383 {
1384         struct connman_ipdevice *ipdevice;
1385
1386         if (ipconfig == NULL)
1387                 return NULL;
1388
1389         if (ipconfig->index < 0)
1390                 return NULL;
1391
1392         ipdevice = g_hash_table_lookup(ipdevice_hash,
1393                                         GINT_TO_POINTER(ipconfig->index));
1394         if (ipdevice == NULL)
1395                 return NULL;
1396
1397         return ipdevice->ifname;
1398 }
1399
1400 /**
1401  * connman_ipconfig_set_ops:
1402  * @ipconfig: ipconfig structure
1403  * @ops: operation callbacks
1404  *
1405  * Set the operation callbacks
1406  */
1407 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1408                                 const struct connman_ipconfig_ops *ops)
1409 {
1410         ipconfig->ops = ops;
1411 }
1412
1413 /**
1414  * connman_ipconfig_set_method:
1415  * @ipconfig: ipconfig structure
1416  * @method: configuration method
1417  *
1418  * Set the configuration method
1419  */
1420 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1421                                         enum connman_ipconfig_method method)
1422 {
1423         ipconfig->method = method;
1424
1425         return 0;
1426 }
1427
1428 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1429 {
1430         if (ipconfig == NULL)
1431                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1432
1433         return ipconfig->method;
1434 }
1435
1436 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1437 {
1438         DBG("");
1439
1440         switch (ipconfig->method) {
1441         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1442         case CONNMAN_IPCONFIG_METHOD_OFF:
1443         case CONNMAN_IPCONFIG_METHOD_AUTO:
1444                 break;
1445         case CONNMAN_IPCONFIG_METHOD_FIXED:
1446         case CONNMAN_IPCONFIG_METHOD_DHCP:
1447         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1448                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1449                         return connman_inet_set_address(ipconfig->index,
1450                                                         ipconfig->address);
1451                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1452                         return connman_inet_set_ipv6_address(
1453                                         ipconfig->index, ipconfig->address);
1454         }
1455
1456         return 0;
1457 }
1458
1459 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1460 {
1461         int err;
1462
1463         DBG("");
1464
1465         if (ipconfig == NULL)
1466                 return 0;
1467
1468         DBG("method %d", ipconfig->method);
1469
1470         switch (ipconfig->method) {
1471         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1472         case CONNMAN_IPCONFIG_METHOD_OFF:
1473         case CONNMAN_IPCONFIG_METHOD_AUTO:
1474                 break;
1475         case CONNMAN_IPCONFIG_METHOD_FIXED:
1476         case CONNMAN_IPCONFIG_METHOD_DHCP:
1477         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1478                 err = __connman_ipconfig_address_unset(ipconfig);
1479                 connman_ipaddress_clear(ipconfig->address);
1480
1481                 return err;
1482         }
1483
1484         return 0;
1485 }
1486
1487 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1488 {
1489         int err;
1490
1491         DBG("");
1492
1493         if (ipconfig == NULL)
1494                 return 0;
1495
1496         DBG("method %d", ipconfig->method);
1497
1498         switch (ipconfig->method) {
1499         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1500         case CONNMAN_IPCONFIG_METHOD_OFF:
1501         case CONNMAN_IPCONFIG_METHOD_AUTO:
1502                 break;
1503         case CONNMAN_IPCONFIG_METHOD_FIXED:
1504         case CONNMAN_IPCONFIG_METHOD_DHCP:
1505         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1506                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1507                         err = connman_inet_clear_address(ipconfig->index,
1508                                                         ipconfig->address);
1509                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1510                         err = connman_inet_clear_ipv6_address(
1511                                                 ipconfig->index,
1512                                                 ipconfig->address->local,
1513                                                 ipconfig->address->prefixlen);
1514                 else
1515                         err = -EINVAL;
1516
1517                 return err;
1518         }
1519
1520         return 0;
1521 }
1522
1523 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1524                                                         const char *url)
1525 {
1526         struct connman_ipdevice *ipdevice;
1527
1528         DBG("ipconfig %p", ipconfig);
1529
1530         if (ipconfig == NULL || ipconfig->index < 0)
1531                 return -ENODEV;
1532
1533         ipdevice = g_hash_table_lookup(ipdevice_hash,
1534                                         GINT_TO_POINTER(ipconfig->index));
1535         if (ipdevice == NULL)
1536                 return -ENXIO;
1537
1538         g_free(ipdevice->pac);
1539         ipdevice->pac = g_strdup(url);
1540
1541         return 0;
1542 }
1543
1544 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1545 {
1546         struct connman_ipdevice *ipdevice;
1547
1548         DBG("ipconfig %p", ipconfig);
1549
1550         if (ipconfig == NULL || ipconfig->index < 0)
1551                 return NULL;
1552
1553         ipdevice = g_hash_table_lookup(ipdevice_hash,
1554                                         GINT_TO_POINTER(ipconfig->index));
1555         if (ipdevice == NULL)
1556                 return NULL;
1557
1558         return ipdevice->pac;
1559 }
1560
1561 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1562                                         const char *address)
1563 {
1564         if (ipconfig == NULL)
1565                 return;
1566
1567         g_free(ipconfig->last_dhcp_address);
1568         ipconfig->last_dhcp_address = g_strdup(address);
1569 }
1570
1571 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1572 {
1573         if (ipconfig == NULL)
1574                 return NULL;
1575
1576         return ipconfig->last_dhcp_address;
1577 }
1578
1579 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1580 {
1581         struct connman_ipdevice *ipdevice;
1582
1583         DBG("");
1584
1585         ipdevice = g_hash_table_lookup(ipdevice_hash,
1586                                         GINT_TO_POINTER(ipconfig->index));
1587         if (ipdevice == NULL)
1588                 return;
1589
1590         set_ipv6_state(ipdevice->ifname, FALSE);
1591 }
1592
1593 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1594 {
1595         struct connman_ipdevice *ipdevice;
1596
1597         DBG("");
1598
1599         ipdevice = g_hash_table_lookup(ipdevice_hash,
1600                                         GINT_TO_POINTER(ipconfig->index));
1601         if (ipdevice == NULL)
1602                 return;
1603
1604         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1605                 set_ipv6_privacy(ipdevice->ifname,
1606                                 ipconfig->ipv6_privacy_config);
1607
1608         set_ipv6_state(ipdevice->ifname, TRUE);
1609 }
1610
1611 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1612 {
1613         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1614                 return;
1615
1616         enable_ipv6(ipconfig);
1617 }
1618
1619 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1620 {
1621         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1622                 return;
1623
1624         disable_ipv6(ipconfig);
1625 }
1626
1627 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1628 {
1629         struct connman_ipdevice *ipdevice;
1630         gboolean up = FALSE, down = FALSE;
1631         gboolean lower_up = FALSE, lower_down = FALSE;
1632         enum connman_ipconfig_type type;
1633
1634         DBG("ipconfig %p", ipconfig);
1635
1636         if (ipconfig == NULL || ipconfig->index < 0)
1637                 return -ENODEV;
1638
1639         ipdevice = g_hash_table_lookup(ipdevice_hash,
1640                                         GINT_TO_POINTER(ipconfig->index));
1641         if (ipdevice == NULL)
1642                 return -ENXIO;
1643
1644         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1645                 if (ipdevice->config_ipv4 == ipconfig)
1646                         return -EALREADY;
1647                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1648         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1649                 if (ipdevice->config_ipv6 == ipconfig)
1650                         return -EALREADY;
1651                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1652                 enable_ipv6(ipconfig);
1653         } else
1654                 return -EINVAL;
1655
1656         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1657                                         ipdevice->config_ipv4 != NULL) {
1658                 ipconfig_list = g_list_remove(ipconfig_list,
1659                                                         ipdevice->config_ipv4);
1660
1661                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1662
1663                 connman_ipconfig_unref(ipdevice->config_ipv4);
1664         }
1665
1666         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1667                                         ipdevice->config_ipv6 != NULL) {
1668                 ipconfig_list = g_list_remove(ipconfig_list,
1669                                                         ipdevice->config_ipv6);
1670
1671                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1672
1673                 connman_ipconfig_unref(ipdevice->config_ipv6);
1674         }
1675
1676         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1677                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1678         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1679                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1680
1681         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1682
1683         if (ipdevice->flags & IFF_UP)
1684                 up = TRUE;
1685         else
1686                 down = TRUE;
1687
1688         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1689                         (IFF_RUNNING | IFF_LOWER_UP))
1690                 lower_up = TRUE;
1691         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1692                 lower_down = TRUE;
1693
1694         if (up == TRUE && ipconfig->ops->up)
1695                 ipconfig->ops->up(ipconfig);
1696         if (lower_up == TRUE && ipconfig->ops->lower_up)
1697                 ipconfig->ops->lower_up(ipconfig);
1698
1699         if (lower_down == TRUE && ipconfig->ops->lower_down)
1700                 ipconfig->ops->lower_down(ipconfig);
1701         if (down == TRUE && ipconfig->ops->down)
1702                 ipconfig->ops->down(ipconfig);
1703
1704         return 0;
1705 }
1706
1707 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1708 {
1709         struct connman_ipdevice *ipdevice;
1710
1711         DBG("ipconfig %p", ipconfig);
1712
1713         if (ipconfig == NULL || ipconfig->index < 0)
1714                 return -ENODEV;
1715
1716         ipdevice = g_hash_table_lookup(ipdevice_hash,
1717                                         GINT_TO_POINTER(ipconfig->index));
1718         if (ipdevice == NULL)
1719                 return -ENXIO;
1720
1721         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1722                 return -EINVAL;
1723
1724         if (ipdevice->config_ipv4 == ipconfig) {
1725                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1726
1727                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1728                 connman_ipconfig_unref(ipdevice->config_ipv4);
1729                 ipdevice->config_ipv4 = NULL;
1730                 return 0;
1731         }
1732
1733         if (ipdevice->config_ipv6 == ipconfig) {
1734                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1735
1736                 if (ipdevice->config_ipv6->method ==
1737                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1738                         disable_ipv6(ipdevice->config_ipv6);
1739
1740                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1741                 connman_ipconfig_unref(ipdevice->config_ipv6);
1742                 ipdevice->config_ipv6 = NULL;
1743                 return 0;
1744         }
1745
1746         return -EINVAL;
1747 }
1748
1749 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1750 {
1751         switch (method) {
1752         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1753                 break;
1754         case CONNMAN_IPCONFIG_METHOD_OFF:
1755                 return "off";
1756         case CONNMAN_IPCONFIG_METHOD_FIXED:
1757                 return "fixed";
1758         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1759                 return "manual";
1760         case CONNMAN_IPCONFIG_METHOD_DHCP:
1761                 return "dhcp";
1762         case CONNMAN_IPCONFIG_METHOD_AUTO:
1763                 return "auto";
1764         }
1765
1766         return NULL;
1767 }
1768
1769 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1770 {
1771         if (g_strcmp0(method, "off") == 0)
1772                 return CONNMAN_IPCONFIG_METHOD_OFF;
1773         else if (g_strcmp0(method, "fixed") == 0)
1774                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1775         else if (g_strcmp0(method, "manual") == 0)
1776                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1777         else if (g_strcmp0(method, "dhcp") == 0)
1778                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1779         else if (g_strcmp0(method, "auto") == 0)
1780                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1781         else
1782                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1783 }
1784
1785 static const char *privacy2string(int privacy)
1786 {
1787         if (privacy <= 0)
1788                 return "disabled";
1789         else if (privacy == 1)
1790                 return "enabled";
1791         else if (privacy > 1)
1792                 return "prefered";
1793
1794         return "disabled";
1795 }
1796
1797 static int string2privacy(const char *privacy)
1798 {
1799         if (g_strcmp0(privacy, "disabled") == 0)
1800                 return 0;
1801         else if (g_strcmp0(privacy, "enabled") == 0)
1802                 return 1;
1803         else if (g_strcmp0(privacy, "prefered") == 0)
1804                 return 2;
1805         else
1806                 return 0;
1807 }
1808
1809 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1810                                                         DBusMessageIter *iter)
1811 {
1812         const char *str;
1813
1814         DBG("");
1815
1816         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1817                 return;
1818
1819         str = __connman_ipconfig_method2string(ipconfig->method);
1820         if (str == NULL)
1821                 return;
1822
1823         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1824
1825         if (ipconfig->system == NULL)
1826                 return;
1827
1828         if (ipconfig->system->local != NULL) {
1829                 in_addr_t addr;
1830                 struct in_addr netmask;
1831                 char *mask;
1832
1833                 connman_dbus_dict_append_basic(iter, "Address",
1834                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1835
1836                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1837                 netmask.s_addr = htonl(addr);
1838                 mask = inet_ntoa(netmask);
1839                 connman_dbus_dict_append_basic(iter, "Netmask",
1840                                                 DBUS_TYPE_STRING, &mask);
1841         }
1842
1843         if (ipconfig->system->gateway != NULL)
1844                 connman_dbus_dict_append_basic(iter, "Gateway",
1845                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1846 }
1847
1848 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1849                                         DBusMessageIter *iter,
1850                                         struct connman_ipconfig *ipconfig_ipv4)
1851 {
1852         const char *str, *privacy;
1853
1854         DBG("");
1855
1856         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1857                 return;
1858
1859         str = __connman_ipconfig_method2string(ipconfig->method);
1860         if (str == NULL)
1861                 return;
1862
1863         if (ipconfig_ipv4 != NULL &&
1864                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1865                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1866                         str = "6to4";
1867         }
1868
1869         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1870
1871         if (ipconfig->system == NULL)
1872                 return;
1873
1874         if (ipconfig->system->local != NULL) {
1875                 connman_dbus_dict_append_basic(iter, "Address",
1876                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1877                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1878                                                 DBUS_TYPE_BYTE,
1879                                                 &ipconfig->system->prefixlen);
1880         }
1881
1882         if (ipconfig->system->gateway != NULL)
1883                 connman_dbus_dict_append_basic(iter, "Gateway",
1884                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1885
1886         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1887         connman_dbus_dict_append_basic(iter, "Privacy",
1888                                 DBUS_TYPE_STRING, &privacy);
1889 }
1890
1891 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1892                                                         DBusMessageIter *iter)
1893 {
1894         const char *str, *privacy;
1895
1896         DBG("");
1897
1898         str = __connman_ipconfig_method2string(ipconfig->method);
1899         if (str == NULL)
1900                 return;
1901
1902         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1903
1904         switch (ipconfig->method) {
1905         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1906         case CONNMAN_IPCONFIG_METHOD_OFF:
1907         case CONNMAN_IPCONFIG_METHOD_DHCP:
1908                 return;
1909         case CONNMAN_IPCONFIG_METHOD_FIXED:
1910         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1911         case CONNMAN_IPCONFIG_METHOD_AUTO:
1912                 break;
1913         }
1914
1915         if (ipconfig->address == NULL)
1916                 return;
1917
1918         if (ipconfig->address->local != NULL) {
1919                 connman_dbus_dict_append_basic(iter, "Address",
1920                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1921                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1922                                                 DBUS_TYPE_BYTE,
1923                                                 &ipconfig->address->prefixlen);
1924         }
1925
1926         if (ipconfig->address->gateway != NULL)
1927                 connman_dbus_dict_append_basic(iter, "Gateway",
1928                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1929
1930         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1931         connman_dbus_dict_append_basic(iter, "Privacy",
1932                                 DBUS_TYPE_STRING, &privacy);
1933 }
1934
1935 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1936                                                         DBusMessageIter *iter)
1937 {
1938         const char *str;
1939
1940         DBG("");
1941
1942         str = __connman_ipconfig_method2string(ipconfig->method);
1943         if (str == NULL)
1944                 return;
1945
1946         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1947
1948         switch (ipconfig->method) {
1949         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1950         case CONNMAN_IPCONFIG_METHOD_OFF:
1951         case CONNMAN_IPCONFIG_METHOD_DHCP:
1952         case CONNMAN_IPCONFIG_METHOD_AUTO:
1953                 return;
1954         case CONNMAN_IPCONFIG_METHOD_FIXED:
1955         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1956                 break;
1957         }
1958
1959         if (ipconfig->address == NULL)
1960                 return;
1961
1962         if (ipconfig->address->local != NULL) {
1963                 in_addr_t addr;
1964                 struct in_addr netmask;
1965                 char *mask;
1966
1967                 connman_dbus_dict_append_basic(iter, "Address",
1968                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1969
1970                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1971                 netmask.s_addr = htonl(addr);
1972                 mask = inet_ntoa(netmask);
1973                 connman_dbus_dict_append_basic(iter, "Netmask",
1974                                                 DBUS_TYPE_STRING, &mask);
1975         }
1976
1977         if (ipconfig->address->gateway != NULL)
1978                 connman_dbus_dict_append_basic(iter, "Gateway",
1979                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1980 }
1981
1982 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1983                                                         DBusMessageIter *array)
1984 {
1985         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1986         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1987                 *prefix_length_string = NULL, *privacy_string = NULL;
1988         int prefix_length = 0, privacy = 0;
1989         DBusMessageIter dict;
1990
1991         DBG("ipconfig %p", ipconfig);
1992
1993         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1994                 return -EINVAL;
1995
1996         dbus_message_iter_recurse(array, &dict);
1997
1998         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1999                 DBusMessageIter entry;
2000                 const char *key;
2001                 int type;
2002
2003                 dbus_message_iter_recurse(&dict, &entry);
2004
2005                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2006                         return -EINVAL;
2007
2008                 dbus_message_iter_get_basic(&entry, &key);
2009                 dbus_message_iter_next(&entry);
2010
2011                 type = dbus_message_iter_get_arg_type(&entry);
2012
2013                 if (g_str_equal(key, "Method") == TRUE) {
2014                         const char *str;
2015
2016                         if (type != DBUS_TYPE_STRING)
2017                                 return -EINVAL;
2018
2019                         dbus_message_iter_get_basic(&entry, &str);
2020                         method = __connman_ipconfig_string2method(str);
2021                 } else if (g_str_equal(key, "Address") == TRUE) {
2022                         if (type != DBUS_TYPE_STRING)
2023                                 return -EINVAL;
2024
2025                         dbus_message_iter_get_basic(&entry, &address);
2026                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
2027                         if (type != DBUS_TYPE_STRING)
2028                                 return -EINVAL;
2029
2030                         dbus_message_iter_get_basic(&entry,
2031                                                         &prefix_length_string);
2032
2033                         prefix_length = atoi(prefix_length_string);
2034                         if (prefix_length < 0 || prefix_length > 128)
2035                                 return -EINVAL;
2036
2037                 } else if (g_str_equal(key, "Netmask") == TRUE) {
2038                         if (type != DBUS_TYPE_STRING)
2039                                 return -EINVAL;
2040
2041                         dbus_message_iter_get_basic(&entry, &netmask);
2042                 } else if (g_str_equal(key, "Gateway") == TRUE) {
2043                         if (type != DBUS_TYPE_STRING)
2044                                 return -EINVAL;
2045
2046                         dbus_message_iter_get_basic(&entry, &gateway);
2047                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2048                         if (type != DBUS_TYPE_STRING)
2049                                 return -EINVAL;
2050
2051                         dbus_message_iter_get_basic(&entry, &privacy_string);
2052                         privacy = string2privacy(privacy_string);
2053                 }
2054                 dbus_message_iter_next(&dict);
2055         }
2056
2057         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2058                 "privacy %s",
2059                 method, address, netmask, gateway, prefix_length,
2060                 privacy_string);
2061
2062         switch (method) {
2063         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2064         case CONNMAN_IPCONFIG_METHOD_FIXED:
2065                 return -EINVAL;
2066
2067         case CONNMAN_IPCONFIG_METHOD_OFF:
2068                 ipconfig->method = method;
2069                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2070                         disable_ipv6(ipconfig);
2071                 break;
2072
2073         case CONNMAN_IPCONFIG_METHOD_AUTO:
2074                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2075                         return -EINVAL;
2076
2077                 ipconfig->method = method;
2078                 if (privacy_string != NULL)
2079                         ipconfig->ipv6_privacy_config = privacy;
2080                 enable_ipv6(ipconfig);
2081                 break;
2082
2083         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2084                 if (address == NULL)
2085                         return -EINVAL;
2086
2087                 ipconfig->method = method;
2088
2089                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2090                         connman_ipaddress_set_ipv4(ipconfig->address,
2091                                                 address, netmask, gateway);
2092                 else
2093                         return connman_ipaddress_set_ipv6(
2094                                         ipconfig->address, address,
2095                                                 prefix_length, gateway);
2096                 break;
2097
2098         case CONNMAN_IPCONFIG_METHOD_DHCP:
2099                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2100                         return -EOPNOTSUPP;
2101
2102                 ipconfig->method = method;
2103                 break;
2104         }
2105
2106         return 0;
2107 }
2108
2109 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2110                                                         DBusMessageIter *iter)
2111 {
2112         struct connman_ipdevice *ipdevice;
2113         const char *method = "auto";
2114
2115         connman_dbus_dict_append_basic(iter, "Method",
2116                                                 DBUS_TYPE_STRING, &method);
2117
2118         ipdevice = g_hash_table_lookup(ipdevice_hash,
2119                                         GINT_TO_POINTER(ipconfig->index));
2120         if (ipdevice == NULL)
2121                 return;
2122
2123         if (ipdevice->ifname != NULL)
2124                 connman_dbus_dict_append_basic(iter, "Interface",
2125                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2126
2127         if (ipdevice->address != NULL)
2128                 connman_dbus_dict_append_basic(iter, "Address",
2129                                         DBUS_TYPE_STRING, &ipdevice->address);
2130
2131         if (ipdevice->mtu > 0)
2132                 connman_dbus_dict_append_basic(iter, "MTU",
2133                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2134 }
2135
2136 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2137                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2138 {
2139         char *method;
2140         char *key;
2141         char *str;
2142
2143         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2144
2145         key = g_strdup_printf("%smethod", prefix);
2146         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2147         if (method == NULL) {
2148                 switch (ipconfig->type) {
2149                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2150                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2151                         break;
2152                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2153                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2154                         break;
2155                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2156                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2157                         break;
2158                 }
2159         } else
2160                 ipconfig->method = __connman_ipconfig_string2method(method);
2161
2162         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2163                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2164
2165         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2166                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2167                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2168                         char *privacy;
2169                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2170                         privacy = g_key_file_get_string(keyfile, identifier,
2171                                                         pprefix, NULL);
2172                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2173                         g_free(pprefix);
2174                         g_free(privacy);
2175
2176                         __connman_ipconfig_enable(ipconfig);
2177                         enable_ipv6(ipconfig);
2178                 }
2179         }
2180
2181         g_free(method);
2182         g_free(key);
2183
2184         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2185         ipconfig->address->prefixlen = g_key_file_get_integer(
2186                                 keyfile, identifier, key, NULL);
2187         g_free(key);
2188
2189         key = g_strdup_printf("%slocal_address", prefix);
2190         ipconfig->address->local = g_key_file_get_string(
2191                         keyfile, identifier, key, NULL);
2192         g_free(key);
2193
2194         key = g_strdup_printf("%speer_address", prefix);
2195         ipconfig->address->peer = g_key_file_get_string(
2196                                 keyfile, identifier, key, NULL);
2197         g_free(key);
2198
2199         key = g_strdup_printf("%sbroadcast_address", prefix);
2200         ipconfig->address->broadcast = g_key_file_get_string(
2201                                 keyfile, identifier, key, NULL);
2202         g_free(key);
2203
2204         key = g_strdup_printf("%sgateway", prefix);
2205         ipconfig->address->gateway = g_key_file_get_string(
2206                                 keyfile, identifier, key, NULL);
2207         g_free(key);
2208
2209         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2210         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2211         if (str != NULL) {
2212                 g_free(ipconfig->last_dhcp_address);
2213                 ipconfig->last_dhcp_address = str;
2214         }
2215         g_free(key);
2216
2217         return 0;
2218 }
2219
2220 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2221                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2222 {
2223         const char *method;
2224         char *key;
2225
2226         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2227
2228         method = __connman_ipconfig_method2string(ipconfig->method);
2229
2230         key = g_strdup_printf("%smethod", prefix);
2231         g_key_file_set_string(keyfile, identifier, key, method);
2232         g_free(key);
2233
2234         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2235                 const char *privacy;
2236                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2237                 key = g_strdup_printf("%sprivacy", prefix);
2238                 g_key_file_set_string(keyfile, identifier, key, privacy);
2239                 g_free(key);
2240         }
2241
2242         switch (ipconfig->method) {
2243         case CONNMAN_IPCONFIG_METHOD_FIXED:
2244         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2245                 break;
2246         case CONNMAN_IPCONFIG_METHOD_DHCP:
2247                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2248                 if (ipconfig->last_dhcp_address != NULL &&
2249                                 strlen(ipconfig->last_dhcp_address) > 0)
2250                         g_key_file_set_string(keyfile, identifier, key,
2251                                         ipconfig->last_dhcp_address);
2252                 else
2253                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2254                 g_free(key);
2255                 /* fall through */
2256         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2257         case CONNMAN_IPCONFIG_METHOD_OFF:
2258         case CONNMAN_IPCONFIG_METHOD_AUTO:
2259                 return 0;
2260         }
2261
2262         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2263         g_key_file_set_integer(keyfile, identifier,
2264                         key, ipconfig->address->prefixlen);
2265         g_free(key);
2266
2267         key = g_strdup_printf("%slocal_address", prefix);
2268         if (ipconfig->address->local != NULL)
2269                 g_key_file_set_string(keyfile, identifier,
2270                                 key, ipconfig->address->local);
2271         g_free(key);
2272
2273         key = g_strdup_printf("%speer_address", prefix);
2274         if (ipconfig->address->peer != NULL)
2275                 g_key_file_set_string(keyfile, identifier,
2276                                 key, ipconfig->address->peer);
2277         g_free(key);
2278
2279         key = g_strdup_printf("%sbroadcast_address", prefix);
2280         if (ipconfig->address->broadcast != NULL)
2281                 g_key_file_set_string(keyfile, identifier,
2282                         key, ipconfig->address->broadcast);
2283         g_free(key);
2284
2285         key = g_strdup_printf("%sgateway", prefix);
2286         if (ipconfig->address->gateway != NULL)
2287                 g_key_file_set_string(keyfile, identifier,
2288                         key, ipconfig->address->gateway);
2289         g_free(key);
2290
2291         return 0;
2292 }
2293
2294 int __connman_ipconfig_init(void)
2295 {
2296         DBG("");
2297
2298         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2299                                                         NULL, free_ipdevice);
2300
2301         return 0;
2302 }
2303
2304 void __connman_ipconfig_cleanup(void)
2305 {
2306         DBG("");
2307
2308         g_hash_table_destroy(ipdevice_hash);
2309         ipdevice_hash = NULL;
2310 }