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         connman_bool_t enabled;
  53         enum connman_ipconfig_method method;
  54         struct connman_ipaddress *address;
  55         struct connman_ipaddress *system;
  56
  57         int ipv6_privacy_config;
  58         char *last_dhcp_address;
  59 };
  60
  61 struct connman_ipdevice {
  62         int index;
  63         char *ifname;
  64         unsigned short type;
  65         unsigned int flags;
  66         char *address;
  67         uint16_t mtu;
  68         uint32_t rx_packets;
  69         uint32_t tx_packets;
  70         uint32_t rx_bytes;
  71         uint32_t tx_bytes;
  72         uint32_t rx_errors;
  73         uint32_t tx_errors;
  74         uint32_t rx_dropped;
  75         uint32_t tx_dropped;
  76
  77         GSList *address_list;
  78         char *ipv4_gateway;
  79         char *ipv6_gateway;
  80
  81         char *pac;
  82
  83         struct connman_ipconfig *config_ipv4;
  84         struct connman_ipconfig *config_ipv6;
  85
  86         gboolean ipv6_enabled;
  87         int ipv6_privacy;
  88 };
  89
  90 static GHashTable *ipdevice_hash = NULL;
  91 static GList *ipconfig_list = NULL;
  92
  93 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  94 {
  95         struct connman_ipaddress *ipaddress;
  96
  97         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  98         if (ipaddress == NULL)
  99                 return NULL;
 100
 101         ipaddress->family = family;
 102         ipaddress->prefixlen = 0;
 103         ipaddress->local = NULL;
 104         ipaddress->peer = NULL;
 105         ipaddress->broadcast = NULL;
 106         ipaddress->gateway = NULL;
 107
 108         return ipaddress;
 109 }
 110
 111 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 112 {
 113         if (ipaddress == NULL)
 114                 return;
 115
 116         g_free(ipaddress->broadcast);
 117         g_free(ipaddress->peer);
 118         g_free(ipaddress->local);
 119         g_free(ipaddress->gateway);
 120         g_free(ipaddress);
 121 }
 122
 123 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 124 {
 125         unsigned char bits;
 126         in_addr_t mask;
 127         in_addr_t host;
 128
 129         if (netmask == NULL)
 130                 return 32;
 131
 132         mask = inet_network(netmask);
 133         host = ~mask;
 134
 135         /* a valid netmask must be 2^n - 1 */
 136         if ((host & (host + 1)) != 0)
 137                 return -1;
 138
 139         bits = 0;
 140         for (; mask; mask <<= 1)
 141                 ++bits;
 142
 143         return bits;
 144 }
 145
 146 static gboolean check_ipv6_address(const char *address)
 147 {
 148         unsigned char buf[sizeof(struct in6_addr)];
 149         int err;
 150
 151         if (address == NULL)
 152                 return FALSE;
 153
 154         err = inet_pton(AF_INET6, address, buf);
 155         if (err > 0)
 156                 return TRUE;
 157
 158         return FALSE;
 159 }
 160
 161 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 162                                 const char *address,
 163                                 unsigned char prefix_length,
 164                                 const char *gateway)
 165 {
 166         if (ipaddress == NULL)
 167                 return -EINVAL;
 168
 169         if (check_ipv6_address(address) == FALSE)
 170                 return -EINVAL;
 171
 172         if (check_ipv6_address(gateway) == FALSE)
 173                 return -EINVAL;
 174
 175         DBG("prefix_len %d address %s gateway %s",
 176                         prefix_length, address, gateway);
 177
 178         ipaddress->family = AF_INET6;
 179
 180         ipaddress->prefixlen = prefix_length;
 181
 182         g_free(ipaddress->local);
 183         ipaddress->local = g_strdup(address);
 184
 185         g_free(ipaddress->gateway);
 186         ipaddress->gateway = g_strdup(gateway);
 187
 188         return 0;
 189 }
 190
 191 int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 192                 const char *address, const char *netmask, const char *gateway)
 193 {
 194         if (ipaddress == NULL)
 195                 return -EINVAL;
 196
 197         ipaddress->family = AF_INET;
 198
 199         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 200
 201         g_free(ipaddress->local);
 202         ipaddress->local = g_strdup(address);
 203
 204         g_free(ipaddress->gateway);
 205         ipaddress->gateway = g_strdup(gateway);
 206
 207         return 0;
 208 }
 209
 210 void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
 211                                 const char *peer)
 212 {
 213         if (ipaddress == NULL)
 214                 return;
 215
 216         g_free(ipaddress->peer);
 217         ipaddress->peer = g_strdup(peer);
 218 }
 219
 220 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 221 {
 222         if (ipaddress == NULL)
 223                 return;
 224
 225         ipaddress->prefixlen = 0;
 226
 227         g_free(ipaddress->local);
 228         ipaddress->local = NULL;
 229
 230         g_free(ipaddress->peer);
 231         ipaddress->peer = NULL;
 232
 233         g_free(ipaddress->broadcast);
 234         ipaddress->broadcast = NULL;
 235
 236         g_free(ipaddress->gateway);
 237         ipaddress->gateway = NULL;
 238 }
 239
 240 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 241                                         struct connman_ipaddress *source)
 242 {
 243         if (ipaddress == NULL || source == NULL)
 244                 return;
 245
 246         ipaddress->family = source->family;
 247         ipaddress->prefixlen = source->prefixlen;
 248
 249         g_free(ipaddress->local);
 250         ipaddress->local = g_strdup(source->local);
 251
 252         g_free(ipaddress->peer);
 253         ipaddress->peer = g_strdup(source->peer);
 254
 255         g_free(ipaddress->broadcast);
 256         ipaddress->broadcast = g_strdup(source->broadcast);
 257
 258         g_free(ipaddress->gateway);
 259         ipaddress->gateway = g_strdup(source->gateway);
 260 }
 261
 262 static void free_address_list(struct connman_ipdevice *ipdevice)
 263 {
 264         GSList *list;
 265
 266         for (list = ipdevice->address_list; list; list = list->next) {
 267                 struct connman_ipaddress *ipaddress = list->data;
 268
 269                 connman_ipaddress_free(ipaddress);
 270                 list->data = NULL;
 271         }
 272
 273         g_slist_free(ipdevice->address_list);
 274         ipdevice->address_list = NULL;
 275 }
 276
 277 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 278                                 unsigned char prefixlen, const char *local)
 279 {
 280         GSList *list;
 281
 282         for (list = ipdevice->address_list; list; list = list->next) {
 283                 struct connman_ipaddress *ipaddress = list->data;
 284
 285                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 286                                         ipaddress->prefixlen == prefixlen)
 287                         return ipaddress;
 288         }
 289
 290         return NULL;
 291 }
 292
 293 const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
 294 {
 295         switch (type) {
 296         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 297                 return "unknown";
 298         case CONNMAN_IPCONFIG_TYPE_IPV4:
 299                 return "IPv4";
 300         case CONNMAN_IPCONFIG_TYPE_IPV6:
 301                 return "IPv6";
 302         }
 303
 304         return NULL;
 305 }
 306
 307 static const char *type2str(unsigned short type)
 308 {
 309         switch (type) {
 310         case ARPHRD_ETHER:
 311                 return "ETHER";
 312         case ARPHRD_LOOPBACK:
 313                 return "LOOPBACK";
 314         case ARPHRD_PPP:
 315                 return "PPP";
 316         case ARPHRD_NONE:
 317                 return "NONE";
 318         case ARPHRD_VOID:
 319                 return "VOID";
 320         }
 321
 322         return "";
 323 }
 324
 325 static const char *scope2str(unsigned char scope)
 326 {
 327         switch (scope) {
 328         case 0:
 329                 return "UNIVERSE";
 330         case 253:
 331                 return "LINK";
 332         }
 333
 334         return "";
 335 }
 336
 337 static gboolean get_ipv6_state(gchar *ifname)
 338 {
 339         int disabled;
 340         gchar *path;
 341         FILE *f;
 342         gboolean enabled = FALSE;
 343
 344         if (ifname == NULL)
 345                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 346         else
 347                 path = g_strdup_printf(
 348                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 349
 350         if (path == NULL)
 351                 return enabled;
 352
 353         f = fopen(path, "r");
 354
 355         g_free(path);
 356
 357         if (f != NULL) {
 358                 if (fscanf(f, "%d", &disabled) > 0)
 359                         enabled = !disabled;
 360                 fclose(f);
 361         }
 362
 363         return enabled;
 364 }
 365
 366 static void set_ipv6_state(gchar *ifname, gboolean enable)
 367 {
 368         gchar *path;
 369         FILE *f;
 370
 371         if (ifname == NULL)
 372                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 373         else
 374                 path = g_strdup_printf(
 375                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 376
 377         if (path == NULL)
 378                 return;
 379
 380         f = fopen(path, "r+");
 381
 382         g_free(path);
 383
 384         if (f == NULL)
 385                 return;
 386
 387         if (enable == FALSE)
 388                 fprintf(f, "1");
 389         else
 390                 fprintf(f, "0");
 391
 392         fclose(f);
 393 }
 394
 395 static int get_ipv6_privacy(gchar *ifname)
 396 {
 397         gchar *path;
 398         FILE *f;
 399         int value;
 400
 401         if (ifname == NULL)
 402                 return 0;
 403
 404         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 405                                                                 ifname);
 406
 407         if (path == NULL)
 408                 return 0;
 409
 410         f = fopen(path, "r");
 411
 412         g_free(path);
 413
 414         if (f == NULL)
 415                 return 0;
 416
 417         if (fscanf(f, "%d", &value) <= 0)
 418                 value = 0;
 419
 420         fclose(f);
 421
 422         return value;
 423 }
 424
 425 /* Enable the IPv6 privacy extension for stateless address autoconfiguration.
 426  * The privacy extension is described in RFC 3041 and RFC 4941
 427  */
 428 static void set_ipv6_privacy(gchar *ifname, int value)
 429 {
 430         gchar *path;
 431         FILE *f;
 432
 433         if (ifname == NULL)
 434                 return;
 435
 436         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 437                                                                 ifname);
 438
 439         if (path == NULL)
 440                 return;
 441
 442         if (value < 0)
 443                 value = 0;
 444
 445         f = fopen(path, "r+");
 446
 447         g_free(path);
 448
 449         if (f == NULL)
 450                 return;
 451
 452         fprintf(f, "%d", value);
 453         fclose(f);
 454 }
 455
 456 static int get_rp_filter()
 457 {
 458         FILE *f;
 459         int value = -EINVAL, tmp;
 460
 461         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
 462
 463         if (f != NULL) {
 464                 if (fscanf(f, "%d", &tmp) == 1)
 465                         value = tmp;
 466                 fclose(f);
 467         }
 468
 469         return value;
 470 }
 471
 472 static void set_rp_filter(int value)
 473 {
 474         FILE *f;
 475
 476         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 477
 478         if (f == NULL)
 479                 return;
 480
 481         fprintf(f, "%d", value);
 482
 483         fclose(f);
 484 }
 485
 486 int __connman_ipconfig_set_rp_filter()
 487 {
 488         int value;
 489
 490         value = get_rp_filter();
 491
 492         if (value < 0)
 493                 return value;
 494
 495         set_rp_filter(2);
 496
 497         connman_info("rp_filter set to 2 (loose mode routing), "
 498                         "old value was %d", value);
 499
 500         return value;
 501 }
 502
 503 void __connman_ipconfig_unset_rp_filter(int old_value)
 504 {
 505         set_rp_filter(old_value);
 506
 507         connman_info("rp_filter restored to %d", old_value);
 508 }
 509
 510 gboolean __connman_ipconfig_ipv6_privacy_enabled(struct connman_ipconfig *ipconfig)
 511 {
 512         if (ipconfig == NULL)
 513                 return FALSE;
 514
 515         return ipconfig->ipv6_privacy_config == 0 ? FALSE : TRUE;
 516 }
 517
 518 static void free_ipdevice(gpointer data)
 519 {
 520         struct connman_ipdevice *ipdevice = data;
 521
 522         connman_info("%s {remove} index %d", ipdevice->ifname,
 523                                                         ipdevice->index);
 524
 525         if (ipdevice->config_ipv4 != NULL) {
 526                 __connman_ipconfig_unref(ipdevice->config_ipv4);
 527                 ipdevice->config_ipv4 = NULL;
 528         }
 529
 530         if (ipdevice->config_ipv6 != NULL) {
 531                 __connman_ipconfig_unref(ipdevice->config_ipv6);
 532                 ipdevice->config_ipv6 = NULL;
 533         }
 534
 535         free_address_list(ipdevice);
 536         g_free(ipdevice->ipv4_gateway);
 537         g_free(ipdevice->ipv6_gateway);
 538         g_free(ipdevice->pac);
 539
 540         g_free(ipdevice->address);
 541
 542         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 543         set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
 544
 545         g_free(ipdevice->ifname);
 546         g_free(ipdevice);
 547 }
 548
 549 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 550 {
 551         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 552                                         ipdevice->config_ipv6);
 553 }
 554
 555 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 556 {
 557         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 558                                         ipdevice->config_ipv6);
 559
 560         if (ipdevice->config_ipv4)
 561                 connman_inet_clear_address(ipdevice->index,
 562                                         ipdevice->config_ipv4->address);
 563
 564         if (ipdevice->config_ipv6)
 565                 connman_inet_clear_ipv6_address(ipdevice->index,
 566                                 ipdevice->config_ipv6->address->local,
 567                                 ipdevice->config_ipv6->address->prefixlen);
 568 }
 569
 570 static void update_stats(struct connman_ipdevice *ipdevice,
 571                                                 struct rtnl_link_stats *stats)
 572 {
 573         struct connman_service *service;
 574
 575         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 576                 return;
 577
 578         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 579                                         stats->rx_packets, stats->rx_bytes);
 580         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 581                                         stats->tx_packets, stats->tx_bytes);
 582
 583         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 584                 return;
 585
 586         if (ipdevice->config_ipv4)
 587                 service = __connman_ipconfig_get_data(ipdevice->config_ipv4);
 588         else if (ipdevice->config_ipv6)
 589                 service = __connman_ipconfig_get_data(ipdevice->config_ipv6);
 590         else
 591                 return;
 592
 593         if (service == NULL)
 594                 return;
 595
 596         ipdevice->rx_packets = stats->rx_packets;
 597         ipdevice->tx_packets = stats->tx_packets;
 598         ipdevice->rx_bytes = stats->rx_bytes;
 599         ipdevice->tx_bytes = stats->tx_bytes;
 600         ipdevice->rx_errors = stats->rx_errors;
 601         ipdevice->tx_errors = stats->tx_errors;
 602         ipdevice->rx_dropped = stats->rx_dropped;
 603         ipdevice->tx_dropped = stats->tx_dropped;
 604
 605         __connman_service_notify(service,
 606                                 ipdevice->rx_packets, ipdevice->tx_packets,
 607                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 608                                 ipdevice->rx_errors, ipdevice->tx_errors,
 609                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 610 }
 611
 612 void __connman_ipconfig_newlink(int index, unsigned short type,
 613                                 unsigned int flags, const char *address,
 614                                                         unsigned short mtu,
 615                                                 struct rtnl_link_stats *stats)
 616 {
 617         struct connman_ipdevice *ipdevice;
 618         GList *list;
 619         GString *str;
 620         gboolean up = FALSE, down = FALSE;
 621         gboolean lower_up = FALSE, lower_down = FALSE;
 622
 623         DBG("index %d", index);
 624
 625         if (type == ARPHRD_LOOPBACK)
 626                 return;
 627
 628         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 629         if (ipdevice != NULL)
 630                 goto update;
 631
 632         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 633         if (ipdevice == NULL)
 634                 return;
 635
 636         ipdevice->index = index;
 637         ipdevice->ifname = connman_inet_ifname(index);
 638         ipdevice->type = type;
 639
 640         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 641         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 642
 643         ipdevice->address = g_strdup(address);
 644
 645         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 646
 647         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 648                                                 index, type, type2str(type));
 649
 650 update:
 651         ipdevice->mtu = mtu;
 652
 653         update_stats(ipdevice, stats);
 654
 655         if (flags == ipdevice->flags)
 656                 return;
 657
 658         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 659                 if (flags & IFF_UP)
 660                         up = TRUE;
 661                 else
 662                         down = TRUE;
 663         }
 664
 665         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 666                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 667                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 668                                         (IFF_RUNNING | IFF_LOWER_UP))
 669                         lower_up = TRUE;
 670                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 671                         lower_down = TRUE;
 672         }
 673
 674         ipdevice->flags = flags;
 675
 676         str = g_string_new(NULL);
 677         if (str == NULL)
 678                 return;
 679
 680         if (flags & IFF_UP)
 681                 g_string_append(str, "UP");
 682         else
 683                 g_string_append(str, "DOWN");
 684
 685         if (flags & IFF_RUNNING)
 686                 g_string_append(str, ",RUNNING");
 687
 688         if (flags & IFF_LOWER_UP)
 689                 g_string_append(str, ",LOWER_UP");
 690
 691         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 692                                                         flags, str->str);
 693
 694         g_string_free(str, TRUE);
 695
 696         for (list = g_list_first(ipconfig_list); list;
 697                                                 list = g_list_next(list)) {
 698                 struct connman_ipconfig *ipconfig = list->data;
 699
 700                 if (index != ipconfig->index)
 701                         continue;
 702
 703                 if (ipconfig->ops == NULL)
 704                         continue;
 705
 706                 if (up == TRUE && ipconfig->ops->up)
 707                         ipconfig->ops->up(ipconfig);
 708                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 709                         ipconfig->ops->lower_up(ipconfig);
 710
 711                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 712                         ipconfig->ops->lower_down(ipconfig);
 713                 if (down == TRUE && ipconfig->ops->down)
 714                         ipconfig->ops->down(ipconfig);
 715         }
 716
 717         if (lower_up)
 718                 __connman_ipconfig_lower_up(ipdevice);
 719         if (lower_down)
 720                 __connman_ipconfig_lower_down(ipdevice);
 721 }
 722
 723 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 724 {
 725         struct connman_ipdevice *ipdevice;
 726         GList *list;
 727
 728         DBG("index %d", index);
 729
 730         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 731         if (ipdevice == NULL)
 732                 return;
 733
 734         update_stats(ipdevice, stats);
 735
 736         for (list = g_list_first(ipconfig_list); list;
 737                                                 list = g_list_next(list)) {
 738                 struct connman_ipconfig *ipconfig = list->data;
 739
 740                 if (index != ipconfig->index)
 741                         continue;
 742
 743                 ipconfig->index = -1;
 744
 745                 if (ipconfig->ops == NULL)
 746                         continue;
 747
 748                 if (ipconfig->ops->lower_down)
 749                         ipconfig->ops->lower_down(ipconfig);
 750                 if (ipconfig->ops->down)
 751                         ipconfig->ops->down(ipconfig);
 752         }
 753
 754         __connman_ipconfig_lower_down(ipdevice);
 755
 756         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 757 }
 758
 759 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 760 {
 761         const struct connman_ipaddress *addr1 = a;
 762         const struct connman_ipaddress *addr2 = b;
 763
 764         if (addr1->prefixlen != addr2->prefixlen)
 765                 return addr2->prefixlen - addr1->prefixlen;
 766
 767         return g_strcmp0(addr1->local, addr2->local);
 768 }
 769
 770 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 771                                 unsigned char prefixlen, const char *address)
 772 {
 773         struct connman_ipdevice *ipdevice;
 774         struct connman_ipaddress *ipaddress;
 775         enum connman_ipconfig_type type;
 776         GList *list;
 777
 778         DBG("index %d", index);
 779
 780         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 781         if (ipdevice == NULL)
 782                 return;
 783
 784         ipaddress = connman_ipaddress_alloc(family);
 785         if (ipaddress == NULL)
 786                 return;
 787
 788         ipaddress->prefixlen = prefixlen;
 789         ipaddress->local = g_strdup(address);
 790
 791         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 792                                         check_duplicate_address)) {
 793                 connman_ipaddress_free(ipaddress);
 794                 return;
 795         }
 796
 797         if (family == AF_INET)
 798                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 799         else if (family == AF_INET6)
 800                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 801         else
 802                 return;
 803
 804         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 805                                                                 ipaddress);
 806
 807         connman_info("%s {add} address %s/%u label %s family %d",
 808                 ipdevice->ifname, address, prefixlen, label, family);
 809
 810         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 811                 __connman_ippool_newaddr(index, address, prefixlen);
 812
 813         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 814                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 815                                         ipaddress);
 816
 817         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 818                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 819                                         ipaddress);
 820         else
 821                 return;
 822
 823         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 824                 return;
 825
 826         for (list = g_list_first(ipconfig_list); list;
 827                                                 list = g_list_next(list)) {
 828                 struct connman_ipconfig *ipconfig = list->data;
 829
 830                 if (index != ipconfig->index)
 831                         continue;
 832
 833                 if (type != ipconfig->type)
 834                         continue;
 835
 836                 if (ipconfig->ops == NULL)
 837                         continue;
 838
 839                 if (ipconfig->ops->ip_bound)
 840                         ipconfig->ops->ip_bound(ipconfig);
 841         }
 842 }
 843
 844 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 845                                 unsigned char prefixlen, const char *address)
 846 {
 847         struct connman_ipdevice *ipdevice;
 848         struct connman_ipaddress *ipaddress;
 849         enum connman_ipconfig_type type;
 850         GList *list;
 851
 852         DBG("index %d", index);
 853
 854         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 855         if (ipdevice == NULL)
 856                 return;
 857
 858         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 859         if (ipaddress == NULL)
 860                 return;
 861
 862         if (family == AF_INET)
 863                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 864         else if (family == AF_INET6)
 865                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 866         else
 867                 return;
 868
 869         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 870                                                                 ipaddress);
 871
 872         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 873                 __connman_ippool_deladdr(index, address, prefixlen);
 874
 875         connman_ipaddress_clear(ipaddress);
 876         g_free(ipaddress);
 877
 878         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 879                                                 address, prefixlen, label);
 880
 881         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 882                 return;
 883
 884         if (g_slist_length(ipdevice->address_list) > 0)
 885                 return;
 886
 887         for (list = g_list_first(ipconfig_list); list;
 888                                                 list = g_list_next(list)) {
 889                 struct connman_ipconfig *ipconfig = list->data;
 890
 891                 if (index != ipconfig->index)
 892                         continue;
 893
 894                 if (type != ipconfig->type)
 895                         continue;
 896
 897                 if (ipconfig->ops == NULL)
 898                         continue;
 899
 900                 if (ipconfig->ops->ip_release)
 901                         ipconfig->ops->ip_release(ipconfig);
 902         }
 903 }
 904
 905 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 906                                         const char *dst, const char *gateway)
 907 {
 908         struct connman_ipdevice *ipdevice;
 909
 910         DBG("index %d", index);
 911
 912         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 913         if (ipdevice == NULL)
 914                 return;
 915
 916         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 917                                                 g_strcmp0(dst, "::") == 0)) {
 918                 GList *config_list;
 919                 enum connman_ipconfig_type type;
 920
 921                 if (family == AF_INET6) {
 922                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 923                         g_free(ipdevice->ipv6_gateway);
 924                         ipdevice->ipv6_gateway = g_strdup(gateway);
 925
 926                         if (ipdevice->config_ipv6 != NULL &&
 927                                 ipdevice->config_ipv6->system != NULL) {
 928                                 g_free(ipdevice->config_ipv6->system->gateway);
 929                                 ipdevice->config_ipv6->system->gateway =
 930                                         g_strdup(gateway);
 931                         }
 932                 } else if (family == AF_INET) {
 933                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 934                         g_free(ipdevice->ipv4_gateway);
 935                         ipdevice->ipv4_gateway = g_strdup(gateway);
 936
 937                         if (ipdevice->config_ipv4 != NULL &&
 938                                 ipdevice->config_ipv4->system != NULL) {
 939                                 g_free(ipdevice->config_ipv4->system->gateway);
 940                                 ipdevice->config_ipv4->system->gateway =
 941                                         g_strdup(gateway);
 942                         }
 943                 } else
 944                         return;
 945
 946                 for (config_list = g_list_first(ipconfig_list); config_list;
 947                                         config_list = g_list_next(config_list)) {
 948                         struct connman_ipconfig *ipconfig = config_list->data;
 949
 950                         if (index != ipconfig->index)
 951                                 continue;
 952
 953                         if (type != ipconfig->type)
 954                                 continue;
 955
 956                         if (ipconfig->ops == NULL)
 957                                 continue;
 958
 959                         if (ipconfig->ops->route_set)
 960                                 ipconfig->ops->route_set(ipconfig);
 961                 }
 962         }
 963
 964         connman_info("%s {add} route %s gw %s scope %u <%s>",
 965                                         ipdevice->ifname, dst, gateway,
 966                                                 scope, scope2str(scope));
 967 }
 968
 969 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 970                                         const char *dst, const char *gateway)
 971 {
 972         struct connman_ipdevice *ipdevice;
 973
 974         DBG("index %d", index);
 975
 976         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 977         if (ipdevice == NULL)
 978                 return;
 979
 980         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 981                                                 g_strcmp0(dst, "::") == 0)) {
 982                 GList *config_list;
 983                 enum connman_ipconfig_type type;
 984
 985                 if (family == AF_INET6) {
 986                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 987                         g_free(ipdevice->ipv6_gateway);
 988                         ipdevice->ipv6_gateway = NULL;
 989
 990                         if (ipdevice->config_ipv6 != NULL &&
 991                                 ipdevice->config_ipv6->system != NULL) {
 992                                 g_free(ipdevice->config_ipv6->system->gateway);
 993                                 ipdevice->config_ipv6->system->gateway = NULL;
 994                         }
 995                 } else if (family == AF_INET) {
 996                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 997                         g_free(ipdevice->ipv4_gateway);
 998                         ipdevice->ipv4_gateway = NULL;
 999
1000                         if (ipdevice->config_ipv4 != NULL &&
1001                                 ipdevice->config_ipv4->system != NULL) {
1002                                 g_free(ipdevice->config_ipv4->system->gateway);
1003                                 ipdevice->config_ipv4->system->gateway = NULL;
1004                         }
1005                 } else
1006                         return;
1007
1008                 for (config_list = g_list_first(ipconfig_list); config_list;
1009                                         config_list = g_list_next(config_list)) {
1010                         struct connman_ipconfig *ipconfig = config_list->data;
1011
1012                         if (index != ipconfig->index)
1013                                 continue;
1014
1015                         if (type != ipconfig->type)
1016                                 continue;
1017
1018                         if (ipconfig->ops == NULL)
1019                                 continue;
1020
1021                         if (ipconfig->ops->route_unset)
1022                                 ipconfig->ops->route_unset(ipconfig);
1023                 }
1024         }
1025
1026         connman_info("%s {del} route %s gw %s scope %u <%s>",
1027                                         ipdevice->ifname, dst, gateway,
1028                                                 scope, scope2str(scope));
1029 }
1030
1031 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
1032                                                         void *user_data)
1033 {
1034         GList *list, *keys;
1035
1036         keys = g_hash_table_get_keys(ipdevice_hash);
1037         if (keys == NULL)
1038                 return;
1039
1040         for (list = g_list_first(keys); list; list = g_list_next(list)) {
1041                 int index = GPOINTER_TO_INT(list->data);
1042
1043                 function(index, user_data);
1044         }
1045
1046         g_list_free(keys);
1047 }
1048
1049 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
1050                                         struct connman_ipconfig *ipconfig)
1051 {
1052         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
1053 }
1054
1055 unsigned short __connman_ipconfig_get_type_from_index(int index)
1056 {
1057         struct connman_ipdevice *ipdevice;
1058
1059         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1060         if (ipdevice == NULL)
1061                 return ARPHRD_VOID;
1062
1063         return ipdevice->type;
1064 }
1065
1066 unsigned int __connman_ipconfig_get_flags_from_index(int index)
1067 {
1068         struct connman_ipdevice *ipdevice;
1069
1070         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1071         if (ipdevice == NULL)
1072                 return 0;
1073
1074         return ipdevice->flags;
1075 }
1076
1077 const char *__connman_ipconfig_get_gateway_from_index(int index)
1078 {
1079         struct connman_ipdevice *ipdevice;
1080
1081         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1082         if (ipdevice == NULL)
1083                 return NULL;
1084
1085         if (ipdevice->ipv4_gateway != NULL)
1086                 return ipdevice->ipv4_gateway;
1087
1088         if (ipdevice->config_ipv4 != NULL &&
1089                         ipdevice->config_ipv4->address != NULL)
1090                 return ipdevice->config_ipv4->address->gateway;
1091
1092         if (ipdevice->ipv6_gateway != NULL)
1093                 return ipdevice->ipv6_gateway;
1094
1095         if (ipdevice->config_ipv6 != NULL &&
1096                         ipdevice->config_ipv6->address != NULL)
1097                 return ipdevice->config_ipv6->address->gateway;
1098
1099         return NULL;
1100 }
1101
1102 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
1103 {
1104         ipconfig->index = index;
1105 }
1106
1107 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
1108 {
1109         if (ipconfig->address == NULL)
1110                 return NULL;
1111
1112         return ipconfig->address->local;
1113 }
1114
1115 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
1116 {
1117         if (ipconfig->address == NULL)
1118                 return;
1119
1120         g_free(ipconfig->address->local);
1121         ipconfig->address->local = g_strdup(address);
1122 }
1123
1124 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
1125 {
1126         if (ipconfig->address == NULL)
1127                 return NULL;
1128
1129         return ipconfig->address->peer;
1130 }
1131
1132 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
1133 {
1134         if (ipconfig->address == NULL)
1135                 return;
1136
1137         g_free(ipconfig->address->peer);
1138         ipconfig->address->peer = g_strdup(address);
1139 }
1140
1141 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1142 {
1143         if (ipconfig->address == NULL)
1144                 return NULL;
1145
1146         return ipconfig->address->broadcast;
1147 }
1148
1149 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1150 {
1151         if (ipconfig->address == NULL)
1152                 return;
1153
1154         g_free(ipconfig->address->broadcast);
1155         ipconfig->address->broadcast = g_strdup(broadcast);
1156 }
1157
1158 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1159 {
1160         if (ipconfig->address == NULL)
1161                 return NULL;
1162
1163         return ipconfig->address->gateway;
1164 }
1165
1166 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1167 {
1168         DBG("");
1169
1170         if (ipconfig->address == NULL)
1171                 return;
1172         g_free(ipconfig->address->gateway);
1173         ipconfig->address->gateway = g_strdup(gateway);
1174 }
1175
1176 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1177 {
1178         struct connman_service *service;
1179
1180         DBG("");
1181
1182         if (ipconfig->address == NULL)
1183                 return -EINVAL;
1184
1185         service = __connman_service_lookup_from_index(ipconfig->index);
1186         if (service == NULL)
1187                 return -EINVAL;
1188
1189         __connman_connection_gateway_remove(service, ipconfig->type);
1190
1191         DBG("type %d gw %s peer %s", ipconfig->type,
1192                 ipconfig->address->gateway, ipconfig->address->peer);
1193
1194         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1195                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1196                 return __connman_connection_gateway_add(service,
1197                                                 ipconfig->address->gateway,
1198                                                 ipconfig->type,
1199                                                 ipconfig->address->peer);
1200
1201         return 0;
1202 }
1203
1204 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1205 {
1206         struct connman_service *service;
1207
1208         DBG("");
1209
1210         service = __connman_service_lookup_from_index(ipconfig->index);
1211         if (service != NULL)
1212                 __connman_connection_gateway_remove(service, ipconfig->type);
1213 }
1214
1215 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1216 {
1217         if (ipconfig->address == NULL)
1218                 return 0;
1219
1220         return ipconfig->address->prefixlen;
1221 }
1222
1223 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1224 {
1225         if (ipconfig->address == NULL)
1226                 return;
1227
1228         ipconfig->address->prefixlen = prefixlen;
1229 }
1230
1231 static struct connman_ipconfig *create_ipv6config(int index)
1232 {
1233         struct connman_ipconfig *ipv6config;
1234
1235         DBG("index %d", index);
1236
1237         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1238         if (ipv6config == NULL)
1239                 return NULL;
1240
1241         ipv6config->refcount = 1;
1242
1243         ipv6config->index = index;
1244         ipv6config->enabled = FALSE;
1245         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1246         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1247         ipv6config->ipv6_privacy_config = 0;
1248
1249         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1250         if (ipv6config->address == NULL) {
1251                 g_free(ipv6config);
1252                 return NULL;
1253         }
1254
1255         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1256
1257         DBG("ipconfig %p", ipv6config);
1258
1259         return ipv6config;
1260 }
1261
1262 /**
1263  * connman_ipconfig_create:
1264  *
1265  * Allocate a new ipconfig structure.
1266  *
1267  * Returns: a newly-allocated #connman_ipconfig structure
1268  */
1269 struct connman_ipconfig *__connman_ipconfig_create(int index,
1270                                         enum connman_ipconfig_type type)
1271 {
1272         struct connman_ipconfig *ipconfig;
1273
1274         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1275                 return create_ipv6config(index);
1276
1277         DBG("index %d", index);
1278
1279         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1280         if (ipconfig == NULL)
1281                 return NULL;
1282
1283         ipconfig->refcount = 1;
1284
1285         ipconfig->index = index;
1286         ipconfig->enabled = FALSE;
1287         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1288
1289         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1290         if (ipconfig->address == NULL) {
1291                 g_free(ipconfig);
1292                 return NULL;
1293         }
1294
1295         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1296
1297         DBG("ipconfig %p", ipconfig);
1298
1299         return ipconfig;
1300 }
1301
1302
1303 /**
1304  * connman_ipconfig_ref:
1305  * @ipconfig: ipconfig structure
1306  *
1307  * Increase reference counter of ipconfig
1308  */
1309 struct connman_ipconfig *
1310 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1311                                 const char *file, int line, const char *caller)
1312 {
1313         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1314                 file, line, caller);
1315
1316         __sync_fetch_and_add(&ipconfig->refcount, 1);
1317
1318         return ipconfig;
1319 }
1320
1321 /**
1322  * connman_ipconfig_unref:
1323  * @ipconfig: ipconfig structure
1324  *
1325  * Decrease reference counter of ipconfig
1326  */
1327 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1328                                 const char *file, int line, const char *caller)
1329 {
1330         if (ipconfig == NULL)
1331                 return;
1332
1333         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1334                 file, line, caller);
1335
1336         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1337                 return;
1338
1339         if (__connman_ipconfig_disable(ipconfig) < 0)
1340                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1341
1342         __connman_ipconfig_set_ops(ipconfig, NULL);
1343
1344         if (ipconfig->origin != NULL && ipconfig->origin != ipconfig) {
1345                 __connman_ipconfig_unref(ipconfig->origin);
1346                 ipconfig->origin = NULL;
1347         }
1348
1349         connman_ipaddress_free(ipconfig->system);
1350         connman_ipaddress_free(ipconfig->address);
1351         g_free(ipconfig->last_dhcp_address);
1352         g_free(ipconfig);
1353 }
1354
1355 /**
1356  * connman_ipconfig_get_data:
1357  * @ipconfig: ipconfig structure
1358  *
1359  * Get private data pointer
1360  */
1361 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1362 {
1363         if (ipconfig == NULL)
1364                 return NULL;
1365
1366         return ipconfig->ops_data;
1367 }
1368
1369 /**
1370  * connman_ipconfig_set_data:
1371  * @ipconfig: ipconfig structure
1372  * @data: data pointer
1373  *
1374  * Set private data pointer
1375  */
1376 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1377 {
1378         ipconfig->ops_data = data;
1379 }
1380
1381 /**
1382  * connman_ipconfig_get_index:
1383  * @ipconfig: ipconfig structure
1384  *
1385  * Get interface index
1386  */
1387 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1388 {
1389         if (ipconfig == NULL)
1390                 return -1;
1391
1392         if (ipconfig->origin != NULL)
1393                 return ipconfig->origin->index;
1394
1395         return ipconfig->index;
1396 }
1397
1398 /**
1399  * connman_ipconfig_get_ifname:
1400  * @ipconfig: ipconfig structure
1401  *
1402  * Get interface name
1403  */
1404 const char *__connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1405 {
1406         struct connman_ipdevice *ipdevice;
1407
1408         if (ipconfig == NULL)
1409                 return NULL;
1410
1411         if (ipconfig->index < 0)
1412                 return NULL;
1413
1414         ipdevice = g_hash_table_lookup(ipdevice_hash,
1415                                         GINT_TO_POINTER(ipconfig->index));
1416         if (ipdevice == NULL)
1417                 return NULL;
1418
1419         return ipdevice->ifname;
1420 }
1421
1422 /**
1423  * connman_ipconfig_set_ops:
1424  * @ipconfig: ipconfig structure
1425  * @ops: operation callbacks
1426  *
1427  * Set the operation callbacks
1428  */
1429 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1430                                 const struct connman_ipconfig_ops *ops)
1431 {
1432         ipconfig->ops = ops;
1433 }
1434
1435 /**
1436  * connman_ipconfig_set_method:
1437  * @ipconfig: ipconfig structure
1438  * @method: configuration method
1439  *
1440  * Set the configuration method
1441  */
1442 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1443                                         enum connman_ipconfig_method method)
1444 {
1445         ipconfig->method = method;
1446
1447         return 0;
1448 }
1449
1450 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1451 {
1452         if (ipconfig == NULL)
1453                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1454
1455         return ipconfig->method;
1456 }
1457
1458 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1459 {
1460         DBG("");
1461
1462         switch (ipconfig->method) {
1463         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1464         case CONNMAN_IPCONFIG_METHOD_OFF:
1465                 break;
1466         case CONNMAN_IPCONFIG_METHOD_AUTO:
1467         case CONNMAN_IPCONFIG_METHOD_FIXED:
1468         case CONNMAN_IPCONFIG_METHOD_DHCP:
1469         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1470                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1471                         return connman_inet_set_address(ipconfig->index,
1472                                                         ipconfig->address);
1473                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1474                         return connman_inet_set_ipv6_address(
1475                                         ipconfig->index, ipconfig->address);
1476         }
1477
1478         return 0;
1479 }
1480
1481 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1482 {
1483         int err;
1484
1485         DBG("");
1486
1487         if (ipconfig == NULL)
1488                 return 0;
1489
1490         DBG("method %d", ipconfig->method);
1491
1492         switch (ipconfig->method) {
1493         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1494         case CONNMAN_IPCONFIG_METHOD_OFF:
1495                 break;
1496         case CONNMAN_IPCONFIG_METHOD_AUTO:
1497         case CONNMAN_IPCONFIG_METHOD_FIXED:
1498         case CONNMAN_IPCONFIG_METHOD_DHCP:
1499         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1500                 err = __connman_ipconfig_address_unset(ipconfig);
1501                 connman_ipaddress_clear(ipconfig->address);
1502
1503                 return err;
1504         }
1505
1506         return 0;
1507 }
1508
1509 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1510 {
1511         int err;
1512
1513         DBG("");
1514
1515         if (ipconfig == NULL)
1516                 return 0;
1517
1518         DBG("method %d", ipconfig->method);
1519
1520         switch (ipconfig->method) {
1521         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1522         case CONNMAN_IPCONFIG_METHOD_OFF:
1523                 break;
1524         case CONNMAN_IPCONFIG_METHOD_AUTO:
1525         case CONNMAN_IPCONFIG_METHOD_FIXED:
1526         case CONNMAN_IPCONFIG_METHOD_DHCP:
1527         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1528                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1529                         err = connman_inet_clear_address(ipconfig->index,
1530                                                         ipconfig->address);
1531                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1532                         err = connman_inet_clear_ipv6_address(
1533                                                 ipconfig->index,
1534                                                 ipconfig->address->local,
1535                                                 ipconfig->address->prefixlen);
1536                 else
1537                         err = -EINVAL;
1538
1539                 return err;
1540         }
1541
1542         return 0;
1543 }
1544
1545 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1546                                                         const char *url)
1547 {
1548         struct connman_ipdevice *ipdevice;
1549
1550         DBG("ipconfig %p", ipconfig);
1551
1552         if (ipconfig == NULL || ipconfig->index < 0)
1553                 return -ENODEV;
1554
1555         ipdevice = g_hash_table_lookup(ipdevice_hash,
1556                                         GINT_TO_POINTER(ipconfig->index));
1557         if (ipdevice == NULL)
1558                 return -ENXIO;
1559
1560         g_free(ipdevice->pac);
1561         ipdevice->pac = g_strdup(url);
1562
1563         return 0;
1564 }
1565
1566 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1567 {
1568         struct connman_ipdevice *ipdevice;
1569
1570         DBG("ipconfig %p", ipconfig);
1571
1572         if (ipconfig == NULL || ipconfig->index < 0)
1573                 return NULL;
1574
1575         ipdevice = g_hash_table_lookup(ipdevice_hash,
1576                                         GINT_TO_POINTER(ipconfig->index));
1577         if (ipdevice == NULL)
1578                 return NULL;
1579
1580         return ipdevice->pac;
1581 }
1582
1583 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1584                                         const char *address)
1585 {
1586         if (ipconfig == NULL)
1587                 return;
1588
1589         g_free(ipconfig->last_dhcp_address);
1590         ipconfig->last_dhcp_address = g_strdup(address);
1591 }
1592
1593 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1594 {
1595         if (ipconfig == NULL)
1596                 return NULL;
1597
1598         return ipconfig->last_dhcp_address;
1599 }
1600
1601 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1602 {
1603         struct connman_ipdevice *ipdevice;
1604
1605         DBG("");
1606
1607         ipdevice = g_hash_table_lookup(ipdevice_hash,
1608                                         GINT_TO_POINTER(ipconfig->index));
1609         if (ipdevice == NULL)
1610                 return;
1611
1612         set_ipv6_state(ipdevice->ifname, FALSE);
1613 }
1614
1615 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1616 {
1617         struct connman_ipdevice *ipdevice;
1618
1619         DBG("");
1620
1621         ipdevice = g_hash_table_lookup(ipdevice_hash,
1622                                         GINT_TO_POINTER(ipconfig->index));
1623         if (ipdevice == NULL)
1624                 return;
1625
1626         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1627                 set_ipv6_privacy(ipdevice->ifname,
1628                                 ipconfig->ipv6_privacy_config);
1629
1630         set_ipv6_state(ipdevice->ifname, TRUE);
1631 }
1632
1633 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1634 {
1635         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1636                 return;
1637
1638         enable_ipv6(ipconfig);
1639 }
1640
1641 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1642 {
1643         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1644                 return;
1645
1646         disable_ipv6(ipconfig);
1647 }
1648
1649 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1650 {
1651         struct connman_ipdevice *ipdevice;
1652         gboolean up = FALSE, down = FALSE;
1653         gboolean lower_up = FALSE, lower_down = FALSE;
1654         enum connman_ipconfig_type type;
1655
1656         DBG("ipconfig %p", ipconfig);
1657
1658         if (ipconfig == NULL || ipconfig->index < 0)
1659                 return -ENODEV;
1660
1661         ipdevice = g_hash_table_lookup(ipdevice_hash,
1662                                         GINT_TO_POINTER(ipconfig->index));
1663         if (ipdevice == NULL)
1664                 return -ENXIO;
1665
1666         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1667                 if (ipdevice->config_ipv4 == ipconfig)
1668                         return -EALREADY;
1669                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1670         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1671                 if (ipdevice->config_ipv6 == ipconfig)
1672                         return -EALREADY;
1673                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1674                 enable_ipv6(ipconfig);
1675         } else
1676                 return -EINVAL;
1677
1678         ipconfig->enabled = TRUE;
1679
1680         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1681                                         ipdevice->config_ipv4 != NULL) {
1682                 ipconfig_list = g_list_remove(ipconfig_list,
1683                                                         ipdevice->config_ipv4);
1684
1685                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1686
1687                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1688         }
1689
1690         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1691                                         ipdevice->config_ipv6 != NULL) {
1692                 ipconfig_list = g_list_remove(ipconfig_list,
1693                                                         ipdevice->config_ipv6);
1694
1695                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1696
1697                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1698         }
1699
1700         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1701                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1702         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1703                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1704
1705         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1706
1707         if (ipdevice->flags & IFF_UP)
1708                 up = TRUE;
1709         else
1710                 down = TRUE;
1711
1712         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1713                         (IFF_RUNNING | IFF_LOWER_UP))
1714                 lower_up = TRUE;
1715         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1716                 lower_down = TRUE;
1717
1718         if (up == TRUE && ipconfig->ops->up)
1719                 ipconfig->ops->up(ipconfig);
1720         if (lower_up == TRUE && ipconfig->ops->lower_up)
1721                 ipconfig->ops->lower_up(ipconfig);
1722
1723         if (lower_down == TRUE && ipconfig->ops->lower_down)
1724                 ipconfig->ops->lower_down(ipconfig);
1725         if (down == TRUE && ipconfig->ops->down)
1726                 ipconfig->ops->down(ipconfig);
1727
1728         return 0;
1729 }
1730
1731 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1732 {
1733         struct connman_ipdevice *ipdevice;
1734
1735         DBG("ipconfig %p", ipconfig);
1736
1737         if (ipconfig == NULL || ipconfig->index < 0)
1738                 return -ENODEV;
1739
1740         ipdevice = g_hash_table_lookup(ipdevice_hash,
1741                                         GINT_TO_POINTER(ipconfig->index));
1742         if (ipdevice == NULL)
1743                 return -ENXIO;
1744
1745         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1746                 return -EINVAL;
1747
1748         ipconfig->enabled = FALSE;
1749
1750         if (ipdevice->config_ipv4 == ipconfig) {
1751                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1752
1753                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1754                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1755                 ipdevice->config_ipv4 = NULL;
1756                 return 0;
1757         }
1758
1759         if (ipdevice->config_ipv6 == ipconfig) {
1760                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1761
1762                 if (ipdevice->config_ipv6->method ==
1763                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1764                         disable_ipv6(ipdevice->config_ipv6);
1765
1766                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1767                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1768                 ipdevice->config_ipv6 = NULL;
1769                 return 0;
1770         }
1771
1772         return -EINVAL;
1773 }
1774
1775 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1776 {
1777         switch (method) {
1778         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1779                 break;
1780         case CONNMAN_IPCONFIG_METHOD_OFF:
1781                 return "off";
1782         case CONNMAN_IPCONFIG_METHOD_FIXED:
1783                 return "fixed";
1784         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1785                 return "manual";
1786         case CONNMAN_IPCONFIG_METHOD_DHCP:
1787                 return "dhcp";
1788         case CONNMAN_IPCONFIG_METHOD_AUTO:
1789                 return "auto";
1790         }
1791
1792         return NULL;
1793 }
1794
1795 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1796 {
1797         if (g_strcmp0(method, "off") == 0)
1798                 return CONNMAN_IPCONFIG_METHOD_OFF;
1799         else if (g_strcmp0(method, "fixed") == 0)
1800                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1801         else if (g_strcmp0(method, "manual") == 0)
1802                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1803         else if (g_strcmp0(method, "dhcp") == 0)
1804                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1805         else if (g_strcmp0(method, "auto") == 0)
1806                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1807         else
1808                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1809 }
1810
1811 static const char *privacy2string(int privacy)
1812 {
1813         if (privacy <= 0)
1814                 return "disabled";
1815         else if (privacy == 1)
1816                 return "enabled";
1817         else if (privacy > 1)
1818                 return "prefered";
1819
1820         return "disabled";
1821 }
1822
1823 static int string2privacy(const char *privacy)
1824 {
1825         if (g_strcmp0(privacy, "disabled") == 0)
1826                 return 0;
1827         else if (g_strcmp0(privacy, "enabled") == 0)
1828                 return 1;
1829         else if (g_strcmp0(privacy, "prefered") == 0)
1830                 return 2;
1831         else
1832                 return 0;
1833 }
1834
1835 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1836                                                         DBusMessageIter *iter)
1837 {
1838         const char *str;
1839
1840         DBG("");
1841
1842         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1843                 return;
1844
1845         str = __connman_ipconfig_method2string(ipconfig->method);
1846         if (str == NULL)
1847                 return;
1848
1849         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1850
1851         if (ipconfig->system == NULL)
1852                 return;
1853
1854         if (ipconfig->system->local != NULL) {
1855                 in_addr_t addr;
1856                 struct in_addr netmask;
1857                 char *mask;
1858
1859                 connman_dbus_dict_append_basic(iter, "Address",
1860                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1861
1862                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1863                 netmask.s_addr = htonl(addr);
1864                 mask = inet_ntoa(netmask);
1865                 connman_dbus_dict_append_basic(iter, "Netmask",
1866                                                 DBUS_TYPE_STRING, &mask);
1867         }
1868
1869         if (ipconfig->system->gateway != NULL)
1870                 connman_dbus_dict_append_basic(iter, "Gateway",
1871                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1872 }
1873
1874 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1875                                         DBusMessageIter *iter,
1876                                         struct connman_ipconfig *ipconfig_ipv4)
1877 {
1878         const char *str, *privacy;
1879
1880         DBG("");
1881
1882         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1883                 return;
1884
1885         str = __connman_ipconfig_method2string(ipconfig->method);
1886         if (str == NULL)
1887                 return;
1888
1889         if (ipconfig_ipv4 != NULL &&
1890                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1891                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1892                         str = "6to4";
1893         }
1894
1895         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1896
1897         if (ipconfig->system == NULL)
1898                 return;
1899
1900         if (ipconfig->system->local != NULL) {
1901                 connman_dbus_dict_append_basic(iter, "Address",
1902                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1903                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1904                                                 DBUS_TYPE_BYTE,
1905                                                 &ipconfig->system->prefixlen);
1906         }
1907
1908         if (ipconfig->system->gateway != NULL)
1909                 connman_dbus_dict_append_basic(iter, "Gateway",
1910                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1911
1912         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1913         connman_dbus_dict_append_basic(iter, "Privacy",
1914                                 DBUS_TYPE_STRING, &privacy);
1915 }
1916
1917 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1918                                                         DBusMessageIter *iter)
1919 {
1920         const char *str, *privacy;
1921
1922         DBG("");
1923
1924         str = __connman_ipconfig_method2string(ipconfig->method);
1925         if (str == NULL)
1926                 return;
1927
1928         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1929
1930         switch (ipconfig->method) {
1931         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1932         case CONNMAN_IPCONFIG_METHOD_OFF:
1933         case CONNMAN_IPCONFIG_METHOD_DHCP:
1934                 return;
1935         case CONNMAN_IPCONFIG_METHOD_FIXED:
1936         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1937         case CONNMAN_IPCONFIG_METHOD_AUTO:
1938                 break;
1939         }
1940
1941         if (ipconfig->address == NULL)
1942                 return;
1943
1944         if (ipconfig->address->local != NULL) {
1945                 connman_dbus_dict_append_basic(iter, "Address",
1946                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1947                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1948                                                 DBUS_TYPE_BYTE,
1949                                                 &ipconfig->address->prefixlen);
1950         }
1951
1952         if (ipconfig->address->gateway != NULL)
1953                 connman_dbus_dict_append_basic(iter, "Gateway",
1954                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1955
1956         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1957         connman_dbus_dict_append_basic(iter, "Privacy",
1958                                 DBUS_TYPE_STRING, &privacy);
1959 }
1960
1961 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1962                                                         DBusMessageIter *iter)
1963 {
1964         const char *str;
1965
1966         DBG("");
1967
1968         str = __connman_ipconfig_method2string(ipconfig->method);
1969         if (str == NULL)
1970                 return;
1971
1972         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1973
1974         switch (ipconfig->method) {
1975         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1976         case CONNMAN_IPCONFIG_METHOD_OFF:
1977         case CONNMAN_IPCONFIG_METHOD_DHCP:
1978         case CONNMAN_IPCONFIG_METHOD_AUTO:
1979                 return;
1980         case CONNMAN_IPCONFIG_METHOD_FIXED:
1981         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1982                 break;
1983         }
1984
1985         if (ipconfig->address == NULL)
1986                 return;
1987
1988         if (ipconfig->address->local != NULL) {
1989                 in_addr_t addr;
1990                 struct in_addr netmask;
1991                 char *mask;
1992
1993                 connman_dbus_dict_append_basic(iter, "Address",
1994                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1995
1996                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1997                 netmask.s_addr = htonl(addr);
1998                 mask = inet_ntoa(netmask);
1999                 connman_dbus_dict_append_basic(iter, "Netmask",
2000                                                 DBUS_TYPE_STRING, &mask);
2001         }
2002
2003         if (ipconfig->address->gateway != NULL)
2004                 connman_dbus_dict_append_basic(iter, "Gateway",
2005                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
2006 }
2007
2008 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
2009                                                         DBusMessageIter *array)
2010 {
2011         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
2012         const char *address = NULL, *netmask = NULL, *gateway = NULL,
2013                 *prefix_length_string = NULL, *privacy_string = NULL;
2014         int prefix_length = 0, privacy = 0;
2015         DBusMessageIter dict;
2016
2017         DBG("ipconfig %p", ipconfig);
2018
2019         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
2020                 return -EINVAL;
2021
2022         dbus_message_iter_recurse(array, &dict);
2023
2024         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
2025                 DBusMessageIter entry, value;
2026                 const char *key;
2027                 int type;
2028
2029                 dbus_message_iter_recurse(&dict, &entry);
2030
2031                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2032                         return -EINVAL;
2033
2034                 dbus_message_iter_get_basic(&entry, &key);
2035                 dbus_message_iter_next(&entry);
2036
2037                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
2038                         return -EINVAL;
2039
2040                 dbus_message_iter_recurse(&entry, &value);
2041
2042                 type = dbus_message_iter_get_arg_type(&value);
2043
2044                 if (g_str_equal(key, "Method") == TRUE) {
2045                         const char *str;
2046
2047                         if (type != DBUS_TYPE_STRING)
2048                                 return -EINVAL;
2049
2050                         dbus_message_iter_get_basic(&value, &str);
2051                         method = __connman_ipconfig_string2method(str);
2052                 } else if (g_str_equal(key, "Address") == TRUE) {
2053                         if (type != DBUS_TYPE_STRING)
2054                                 return -EINVAL;
2055
2056                         dbus_message_iter_get_basic(&value, &address);
2057                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
2058                         if (type != DBUS_TYPE_STRING)
2059                                 return -EINVAL;
2060
2061                         dbus_message_iter_get_basic(&value,
2062                                                         &prefix_length_string);
2063
2064                         prefix_length = atoi(prefix_length_string);
2065                         if (prefix_length < 0 || prefix_length > 128)
2066                                 return -EINVAL;
2067                 } else if (g_str_equal(key, "Netmask") == TRUE) {
2068                         if (type != DBUS_TYPE_STRING)
2069                                 return -EINVAL;
2070
2071                         dbus_message_iter_get_basic(&value, &netmask);
2072                 } else if (g_str_equal(key, "Gateway") == TRUE) {
2073                         if (type != DBUS_TYPE_STRING)
2074                                 return -EINVAL;
2075
2076                         dbus_message_iter_get_basic(&value, &gateway);
2077                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2078                         if (type != DBUS_TYPE_STRING)
2079                                 return -EINVAL;
2080
2081                         dbus_message_iter_get_basic(&value, &privacy_string);
2082                         privacy = string2privacy(privacy_string);
2083                 }
2084
2085                 dbus_message_iter_next(&dict);
2086         }
2087
2088         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2089                 "privacy %s",
2090                 method, address, netmask, gateway, prefix_length,
2091                 privacy_string);
2092
2093         switch (method) {
2094         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2095         case CONNMAN_IPCONFIG_METHOD_FIXED:
2096                 return -EINVAL;
2097
2098         case CONNMAN_IPCONFIG_METHOD_OFF:
2099                 ipconfig->method = method;
2100                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2101                         disable_ipv6(ipconfig);
2102                 break;
2103
2104         case CONNMAN_IPCONFIG_METHOD_AUTO:
2105                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2106                         return -EINVAL;
2107
2108                 ipconfig->method = method;
2109                 if (privacy_string != NULL)
2110                         ipconfig->ipv6_privacy_config = privacy;
2111                 enable_ipv6(ipconfig);
2112                 break;
2113
2114         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2115                 if (address == NULL)
2116                         return -EINVAL;
2117
2118                 ipconfig->method = method;
2119
2120                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2121                         connman_ipaddress_set_ipv4(ipconfig->address,
2122                                                 address, netmask, gateway);
2123                 else
2124                         return connman_ipaddress_set_ipv6(
2125                                         ipconfig->address, address,
2126                                                 prefix_length, gateway);
2127                 break;
2128
2129         case CONNMAN_IPCONFIG_METHOD_DHCP:
2130                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2131                         return -EOPNOTSUPP;
2132
2133                 ipconfig->method = method;
2134                 break;
2135         }
2136
2137         return 0;
2138 }
2139
2140 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2141                                                         DBusMessageIter *iter)
2142 {
2143         struct connman_ipdevice *ipdevice;
2144         const char *method = "auto";
2145
2146         connman_dbus_dict_append_basic(iter, "Method",
2147                                                 DBUS_TYPE_STRING, &method);
2148
2149         ipdevice = g_hash_table_lookup(ipdevice_hash,
2150                                         GINT_TO_POINTER(ipconfig->index));
2151         if (ipdevice == NULL)
2152                 return;
2153
2154         if (ipdevice->ifname != NULL)
2155                 connman_dbus_dict_append_basic(iter, "Interface",
2156                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2157
2158         if (ipdevice->address != NULL)
2159                 connman_dbus_dict_append_basic(iter, "Address",
2160                                         DBUS_TYPE_STRING, &ipdevice->address);
2161
2162         if (ipdevice->mtu > 0)
2163                 connman_dbus_dict_append_basic(iter, "MTU",
2164                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2165 }
2166
2167 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2168                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2169 {
2170         char *method;
2171         char *key;
2172         char *str;
2173
2174         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2175
2176         key = g_strdup_printf("%smethod", prefix);
2177         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2178         if (method == NULL) {
2179                 switch (ipconfig->type) {
2180                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2181                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2182                         break;
2183                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2184                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2185                         break;
2186                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2187                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2188                         break;
2189                 }
2190         } else
2191                 ipconfig->method = __connman_ipconfig_string2method(method);
2192
2193         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2194                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2195
2196         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2197                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2198                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2199                         char *privacy;
2200                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2201                         privacy = g_key_file_get_string(keyfile, identifier,
2202                                                         pprefix, NULL);
2203                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2204                         g_free(pprefix);
2205                         g_free(privacy);
2206                 }
2207         }
2208
2209         g_free(method);
2210         g_free(key);
2211
2212         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2213         ipconfig->address->prefixlen = g_key_file_get_integer(
2214                                 keyfile, identifier, key, NULL);
2215         g_free(key);
2216
2217         key = g_strdup_printf("%slocal_address", prefix);
2218         ipconfig->address->local = g_key_file_get_string(
2219                         keyfile, identifier, key, NULL);
2220         g_free(key);
2221
2222         key = g_strdup_printf("%speer_address", prefix);
2223         ipconfig->address->peer = g_key_file_get_string(
2224                                 keyfile, identifier, key, NULL);
2225         g_free(key);
2226
2227         key = g_strdup_printf("%sbroadcast_address", prefix);
2228         ipconfig->address->broadcast = g_key_file_get_string(
2229                                 keyfile, identifier, key, NULL);
2230         g_free(key);
2231
2232         key = g_strdup_printf("%sgateway", prefix);
2233         ipconfig->address->gateway = g_key_file_get_string(
2234                                 keyfile, identifier, key, NULL);
2235         g_free(key);
2236
2237         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2238         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2239         if (str != NULL) {
2240                 g_free(ipconfig->last_dhcp_address);
2241                 ipconfig->last_dhcp_address = str;
2242         }
2243         g_free(key);
2244
2245         return 0;
2246 }
2247
2248 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2249                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2250 {
2251         const char *method;
2252         char *key;
2253
2254         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2255
2256         method = __connman_ipconfig_method2string(ipconfig->method);
2257
2258         key = g_strdup_printf("%smethod", prefix);
2259         g_key_file_set_string(keyfile, identifier, key, method);
2260         g_free(key);
2261
2262         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2263                 const char *privacy;
2264                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2265                 key = g_strdup_printf("%sprivacy", prefix);
2266                 g_key_file_set_string(keyfile, identifier, key, privacy);
2267                 g_free(key);
2268         }
2269
2270         switch (ipconfig->method) {
2271         case CONNMAN_IPCONFIG_METHOD_FIXED:
2272         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2273                 break;
2274         case CONNMAN_IPCONFIG_METHOD_DHCP:
2275                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2276                 if (ipconfig->last_dhcp_address != NULL &&
2277                                 strlen(ipconfig->last_dhcp_address) > 0)
2278                         g_key_file_set_string(keyfile, identifier, key,
2279                                         ipconfig->last_dhcp_address);
2280                 else
2281                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2282                 g_free(key);
2283                 /* fall through */
2284         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2285         case CONNMAN_IPCONFIG_METHOD_OFF:
2286         case CONNMAN_IPCONFIG_METHOD_AUTO:
2287                 return 0;
2288         }
2289
2290         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2291         g_key_file_set_integer(keyfile, identifier,
2292                         key, ipconfig->address->prefixlen);
2293         g_free(key);
2294
2295         key = g_strdup_printf("%slocal_address", prefix);
2296         if (ipconfig->address->local != NULL)
2297                 g_key_file_set_string(keyfile, identifier,
2298                                 key, ipconfig->address->local);
2299         g_free(key);
2300
2301         key = g_strdup_printf("%speer_address", prefix);
2302         if (ipconfig->address->peer != NULL)
2303                 g_key_file_set_string(keyfile, identifier,
2304                                 key, ipconfig->address->peer);
2305         g_free(key);
2306
2307         key = g_strdup_printf("%sbroadcast_address", prefix);
2308         if (ipconfig->address->broadcast != NULL)
2309                 g_key_file_set_string(keyfile, identifier,
2310                         key, ipconfig->address->broadcast);
2311         g_free(key);
2312
2313         key = g_strdup_printf("%sgateway", prefix);
2314         if (ipconfig->address->gateway != NULL)
2315                 g_key_file_set_string(keyfile, identifier,
2316                         key, ipconfig->address->gateway);
2317         g_free(key);
2318
2319         return 0;
2320 }
2321
2322 int __connman_ipconfig_init(void)
2323 {
2324         DBG("");
2325
2326         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2327                                                         NULL, free_ipdevice);
2328
2329         return 0;
2330 }
2331
2332 void __connman_ipconfig_cleanup(void)
2333 {
2334         DBG("");
2335
2336         g_hash_table_destroy(ipdevice_hash);
2337         ipdevice_hash = NULL;
2338 }