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         if (ipdevice->config_ipv6 != NULL &&
 555                         ipdevice->config_ipv6->enabled == TRUE)
 556                 return;
 557
 558         if (__connman_device_isfiltered(ipdevice->ifname) == FALSE) {
 559                 ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 560                 set_ipv6_state(ipdevice->ifname, FALSE);
 561         }
 562 }
 563
 564 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 565 {
 566         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 567                                         ipdevice->config_ipv6);
 568
 569         if (ipdevice->config_ipv4)
 570                 connman_inet_clear_address(ipdevice->index,
 571                                         ipdevice->config_ipv4->address);
 572
 573         if (ipdevice->config_ipv6)
 574                 connman_inet_clear_ipv6_address(ipdevice->index,
 575                                 ipdevice->config_ipv6->address->local,
 576                                 ipdevice->config_ipv6->address->prefixlen);
 577 }
 578
 579 static void update_stats(struct connman_ipdevice *ipdevice,
 580                                                 struct rtnl_link_stats *stats)
 581 {
 582         struct connman_service *service;
 583
 584         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 585                 return;
 586
 587         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 588                                         stats->rx_packets, stats->rx_bytes);
 589         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 590                                         stats->tx_packets, stats->tx_bytes);
 591
 592         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 593                 return;
 594
 595         if (ipdevice->config_ipv4)
 596                 service = __connman_ipconfig_get_data(ipdevice->config_ipv4);
 597         else if (ipdevice->config_ipv6)
 598                 service = __connman_ipconfig_get_data(ipdevice->config_ipv6);
 599         else
 600                 return;
 601
 602         if (service == NULL)
 603                 return;
 604
 605         ipdevice->rx_packets = stats->rx_packets;
 606         ipdevice->tx_packets = stats->tx_packets;
 607         ipdevice->rx_bytes = stats->rx_bytes;
 608         ipdevice->tx_bytes = stats->tx_bytes;
 609         ipdevice->rx_errors = stats->rx_errors;
 610         ipdevice->tx_errors = stats->tx_errors;
 611         ipdevice->rx_dropped = stats->rx_dropped;
 612         ipdevice->tx_dropped = stats->tx_dropped;
 613
 614         __connman_service_notify(service,
 615                                 ipdevice->rx_packets, ipdevice->tx_packets,
 616                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 617                                 ipdevice->rx_errors, ipdevice->tx_errors,
 618                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 619 }
 620
 621 void __connman_ipconfig_newlink(int index, unsigned short type,
 622                                 unsigned int flags, const char *address,
 623                                                         unsigned short mtu,
 624                                                 struct rtnl_link_stats *stats)
 625 {
 626         struct connman_ipdevice *ipdevice;
 627         GList *list;
 628         GString *str;
 629         gboolean up = FALSE, down = FALSE;
 630         gboolean lower_up = FALSE, lower_down = FALSE;
 631
 632         DBG("index %d", index);
 633
 634         if (type == ARPHRD_LOOPBACK)
 635                 return;
 636
 637         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 638         if (ipdevice != NULL)
 639                 goto update;
 640
 641         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 642         if (ipdevice == NULL)
 643                 return;
 644
 645         ipdevice->index = index;
 646         ipdevice->ifname = connman_inet_ifname(index);
 647         ipdevice->type = type;
 648
 649         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 650         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 651
 652         ipdevice->address = g_strdup(address);
 653
 654         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 655
 656         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 657                                                 index, type, type2str(type));
 658
 659 update:
 660         ipdevice->mtu = mtu;
 661
 662         update_stats(ipdevice, stats);
 663
 664         if (flags == ipdevice->flags)
 665                 return;
 666
 667         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 668                 if (flags & IFF_UP)
 669                         up = TRUE;
 670                 else
 671                         down = TRUE;
 672         }
 673
 674         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 675                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 676                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 677                                         (IFF_RUNNING | IFF_LOWER_UP))
 678                         lower_up = TRUE;
 679                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 680                         lower_down = TRUE;
 681         }
 682
 683         ipdevice->flags = flags;
 684
 685         str = g_string_new(NULL);
 686         if (str == NULL)
 687                 return;
 688
 689         if (flags & IFF_UP)
 690                 g_string_append(str, "UP");
 691         else
 692                 g_string_append(str, "DOWN");
 693
 694         if (flags & IFF_RUNNING)
 695                 g_string_append(str, ",RUNNING");
 696
 697         if (flags & IFF_LOWER_UP)
 698                 g_string_append(str, ",LOWER_UP");
 699
 700         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 701                                                         flags, str->str);
 702
 703         g_string_free(str, TRUE);
 704
 705         for (list = g_list_first(ipconfig_list); list;
 706                                                 list = g_list_next(list)) {
 707                 struct connman_ipconfig *ipconfig = list->data;
 708
 709                 if (index != ipconfig->index)
 710                         continue;
 711
 712                 if (ipconfig->ops == NULL)
 713                         continue;
 714
 715                 if (up == TRUE && ipconfig->ops->up)
 716                         ipconfig->ops->up(ipconfig);
 717                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 718                         ipconfig->ops->lower_up(ipconfig);
 719
 720                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 721                         ipconfig->ops->lower_down(ipconfig);
 722                 if (down == TRUE && ipconfig->ops->down)
 723                         ipconfig->ops->down(ipconfig);
 724         }
 725
 726         if (lower_up)
 727                 __connman_ipconfig_lower_up(ipdevice);
 728         if (lower_down)
 729                 __connman_ipconfig_lower_down(ipdevice);
 730 }
 731
 732 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 733 {
 734         struct connman_ipdevice *ipdevice;
 735         GList *list;
 736
 737         DBG("index %d", index);
 738
 739         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 740         if (ipdevice == NULL)
 741                 return;
 742
 743         update_stats(ipdevice, stats);
 744
 745         for (list = g_list_first(ipconfig_list); list;
 746                                                 list = g_list_next(list)) {
 747                 struct connman_ipconfig *ipconfig = list->data;
 748
 749                 if (index != ipconfig->index)
 750                         continue;
 751
 752                 ipconfig->index = -1;
 753
 754                 if (ipconfig->ops == NULL)
 755                         continue;
 756
 757                 if (ipconfig->ops->lower_down)
 758                         ipconfig->ops->lower_down(ipconfig);
 759                 if (ipconfig->ops->down)
 760                         ipconfig->ops->down(ipconfig);
 761         }
 762
 763         __connman_ipconfig_lower_down(ipdevice);
 764
 765         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 766 }
 767
 768 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 769 {
 770         const struct connman_ipaddress *addr1 = a;
 771         const struct connman_ipaddress *addr2 = b;
 772
 773         if (addr1->prefixlen != addr2->prefixlen)
 774                 return addr2->prefixlen - addr1->prefixlen;
 775
 776         return g_strcmp0(addr1->local, addr2->local);
 777 }
 778
 779 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 780                                 unsigned char prefixlen, const char *address)
 781 {
 782         struct connman_ipdevice *ipdevice;
 783         struct connman_ipaddress *ipaddress;
 784         enum connman_ipconfig_type type;
 785         GList *list;
 786
 787         DBG("index %d", index);
 788
 789         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 790         if (ipdevice == NULL)
 791                 return;
 792
 793         ipaddress = connman_ipaddress_alloc(family);
 794         if (ipaddress == NULL)
 795                 return;
 796
 797         ipaddress->prefixlen = prefixlen;
 798         ipaddress->local = g_strdup(address);
 799
 800         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 801                                         check_duplicate_address)) {
 802                 connman_ipaddress_free(ipaddress);
 803                 return;
 804         }
 805
 806         if (family == AF_INET)
 807                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 808         else if (family == AF_INET6)
 809                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 810         else
 811                 return;
 812
 813         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 814                                                                 ipaddress);
 815
 816         connman_info("%s {add} address %s/%u label %s family %d",
 817                 ipdevice->ifname, address, prefixlen, label, family);
 818
 819         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 820                 __connman_ippool_newaddr(index, address, prefixlen);
 821
 822         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 823                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 824                                         ipaddress);
 825
 826         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 827                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 828                                         ipaddress);
 829         else
 830                 return;
 831
 832         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 833                 return;
 834
 835         for (list = g_list_first(ipconfig_list); list;
 836                                                 list = g_list_next(list)) {
 837                 struct connman_ipconfig *ipconfig = list->data;
 838
 839                 if (index != ipconfig->index)
 840                         continue;
 841
 842                 if (type != ipconfig->type)
 843                         continue;
 844
 845                 if (ipconfig->ops == NULL)
 846                         continue;
 847
 848                 if (ipconfig->ops->ip_bound)
 849                         ipconfig->ops->ip_bound(ipconfig);
 850         }
 851 }
 852
 853 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 854                                 unsigned char prefixlen, const char *address)
 855 {
 856         struct connman_ipdevice *ipdevice;
 857         struct connman_ipaddress *ipaddress;
 858         enum connman_ipconfig_type type;
 859         GList *list;
 860
 861         DBG("index %d", index);
 862
 863         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 864         if (ipdevice == NULL)
 865                 return;
 866
 867         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 868         if (ipaddress == NULL)
 869                 return;
 870
 871         if (family == AF_INET)
 872                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 873         else if (family == AF_INET6)
 874                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 875         else
 876                 return;
 877
 878         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 879                                                                 ipaddress);
 880
 881         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 882                 __connman_ippool_deladdr(index, address, prefixlen);
 883
 884         connman_ipaddress_clear(ipaddress);
 885         g_free(ipaddress);
 886
 887         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 888                                                 address, prefixlen, label);
 889
 890         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 891                 return;
 892
 893         if (g_slist_length(ipdevice->address_list) > 0)
 894                 return;
 895
 896         for (list = g_list_first(ipconfig_list); list;
 897                                                 list = g_list_next(list)) {
 898                 struct connman_ipconfig *ipconfig = list->data;
 899
 900                 if (index != ipconfig->index)
 901                         continue;
 902
 903                 if (type != ipconfig->type)
 904                         continue;
 905
 906                 if (ipconfig->ops == NULL)
 907                         continue;
 908
 909                 if (ipconfig->ops->ip_release)
 910                         ipconfig->ops->ip_release(ipconfig);
 911         }
 912 }
 913
 914 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 915                                         const char *dst, const char *gateway)
 916 {
 917         struct connman_ipdevice *ipdevice;
 918
 919         DBG("index %d", index);
 920
 921         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 922         if (ipdevice == NULL)
 923                 return;
 924
 925         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 926                                                 g_strcmp0(dst, "::") == 0)) {
 927                 GList *config_list;
 928                 enum connman_ipconfig_type type;
 929
 930                 if (family == AF_INET6) {
 931                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 932                         g_free(ipdevice->ipv6_gateway);
 933                         ipdevice->ipv6_gateway = g_strdup(gateway);
 934
 935                         if (ipdevice->config_ipv6 != NULL &&
 936                                 ipdevice->config_ipv6->system != NULL) {
 937                                 g_free(ipdevice->config_ipv6->system->gateway);
 938                                 ipdevice->config_ipv6->system->gateway =
 939                                         g_strdup(gateway);
 940                         }
 941                 } else if (family == AF_INET) {
 942                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 943                         g_free(ipdevice->ipv4_gateway);
 944                         ipdevice->ipv4_gateway = g_strdup(gateway);
 945
 946                         if (ipdevice->config_ipv4 != NULL &&
 947                                 ipdevice->config_ipv4->system != NULL) {
 948                                 g_free(ipdevice->config_ipv4->system->gateway);
 949                                 ipdevice->config_ipv4->system->gateway =
 950                                         g_strdup(gateway);
 951                         }
 952                 } else
 953                         return;
 954
 955                 for (config_list = g_list_first(ipconfig_list); config_list;
 956                                         config_list = g_list_next(config_list)) {
 957                         struct connman_ipconfig *ipconfig = config_list->data;
 958
 959                         if (index != ipconfig->index)
 960                                 continue;
 961
 962                         if (type != ipconfig->type)
 963                                 continue;
 964
 965                         if (ipconfig->ops == NULL)
 966                                 continue;
 967
 968                         if (ipconfig->ops->route_set)
 969                                 ipconfig->ops->route_set(ipconfig);
 970                 }
 971         }
 972
 973         connman_info("%s {add} route %s gw %s scope %u <%s>",
 974                                         ipdevice->ifname, dst, gateway,
 975                                                 scope, scope2str(scope));
 976 }
 977
 978 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 979                                         const char *dst, const char *gateway)
 980 {
 981         struct connman_ipdevice *ipdevice;
 982
 983         DBG("index %d", index);
 984
 985         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 986         if (ipdevice == NULL)
 987                 return;
 988
 989         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 990                                                 g_strcmp0(dst, "::") == 0)) {
 991                 GList *config_list;
 992                 enum connman_ipconfig_type type;
 993
 994                 if (family == AF_INET6) {
 995                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 996                         g_free(ipdevice->ipv6_gateway);
 997                         ipdevice->ipv6_gateway = NULL;
 998
 999                         if (ipdevice->config_ipv6 != NULL &&
1000                                 ipdevice->config_ipv6->system != NULL) {
1001                                 g_free(ipdevice->config_ipv6->system->gateway);
1002                                 ipdevice->config_ipv6->system->gateway = NULL;
1003                         }
1004                 } else if (family == AF_INET) {
1005                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
1006                         g_free(ipdevice->ipv4_gateway);
1007                         ipdevice->ipv4_gateway = NULL;
1008
1009                         if (ipdevice->config_ipv4 != NULL &&
1010                                 ipdevice->config_ipv4->system != NULL) {
1011                                 g_free(ipdevice->config_ipv4->system->gateway);
1012                                 ipdevice->config_ipv4->system->gateway = NULL;
1013                         }
1014                 } else
1015                         return;
1016
1017                 for (config_list = g_list_first(ipconfig_list); config_list;
1018                                         config_list = g_list_next(config_list)) {
1019                         struct connman_ipconfig *ipconfig = config_list->data;
1020
1021                         if (index != ipconfig->index)
1022                                 continue;
1023
1024                         if (type != ipconfig->type)
1025                                 continue;
1026
1027                         if (ipconfig->ops == NULL)
1028                                 continue;
1029
1030                         if (ipconfig->ops->route_unset)
1031                                 ipconfig->ops->route_unset(ipconfig);
1032                 }
1033         }
1034
1035         connman_info("%s {del} route %s gw %s scope %u <%s>",
1036                                         ipdevice->ifname, dst, gateway,
1037                                                 scope, scope2str(scope));
1038 }
1039
1040 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
1041                                                         void *user_data)
1042 {
1043         GList *list, *keys;
1044
1045         keys = g_hash_table_get_keys(ipdevice_hash);
1046         if (keys == NULL)
1047                 return;
1048
1049         for (list = g_list_first(keys); list; list = g_list_next(list)) {
1050                 int index = GPOINTER_TO_INT(list->data);
1051
1052                 function(index, user_data);
1053         }
1054
1055         g_list_free(keys);
1056 }
1057
1058 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
1059                                         struct connman_ipconfig *ipconfig)
1060 {
1061         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
1062 }
1063
1064 unsigned short __connman_ipconfig_get_type_from_index(int index)
1065 {
1066         struct connman_ipdevice *ipdevice;
1067
1068         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1069         if (ipdevice == NULL)
1070                 return ARPHRD_VOID;
1071
1072         return ipdevice->type;
1073 }
1074
1075 unsigned int __connman_ipconfig_get_flags_from_index(int index)
1076 {
1077         struct connman_ipdevice *ipdevice;
1078
1079         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1080         if (ipdevice == NULL)
1081                 return 0;
1082
1083         return ipdevice->flags;
1084 }
1085
1086 const char *__connman_ipconfig_get_gateway_from_index(int index)
1087 {
1088         struct connman_ipdevice *ipdevice;
1089
1090         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1091         if (ipdevice == NULL)
1092                 return NULL;
1093
1094         if (ipdevice->ipv4_gateway != NULL)
1095                 return ipdevice->ipv4_gateway;
1096
1097         if (ipdevice->config_ipv4 != NULL &&
1098                         ipdevice->config_ipv4->address != NULL)
1099                 return ipdevice->config_ipv4->address->gateway;
1100
1101         if (ipdevice->ipv6_gateway != NULL)
1102                 return ipdevice->ipv6_gateway;
1103
1104         if (ipdevice->config_ipv6 != NULL &&
1105                         ipdevice->config_ipv6->address != NULL)
1106                 return ipdevice->config_ipv6->address->gateway;
1107
1108         return NULL;
1109 }
1110
1111 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
1112 {
1113         ipconfig->index = index;
1114 }
1115
1116 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
1117 {
1118         if (ipconfig->address == NULL)
1119                 return NULL;
1120
1121         return ipconfig->address->local;
1122 }
1123
1124 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
1125 {
1126         if (ipconfig->address == NULL)
1127                 return;
1128
1129         g_free(ipconfig->address->local);
1130         ipconfig->address->local = g_strdup(address);
1131 }
1132
1133 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
1134 {
1135         if (ipconfig->address == NULL)
1136                 return NULL;
1137
1138         return ipconfig->address->peer;
1139 }
1140
1141 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
1142 {
1143         if (ipconfig->address == NULL)
1144                 return;
1145
1146         g_free(ipconfig->address->peer);
1147         ipconfig->address->peer = g_strdup(address);
1148 }
1149
1150 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1151 {
1152         if (ipconfig->address == NULL)
1153                 return NULL;
1154
1155         return ipconfig->address->broadcast;
1156 }
1157
1158 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1159 {
1160         if (ipconfig->address == NULL)
1161                 return;
1162
1163         g_free(ipconfig->address->broadcast);
1164         ipconfig->address->broadcast = g_strdup(broadcast);
1165 }
1166
1167 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1168 {
1169         if (ipconfig->address == NULL)
1170                 return NULL;
1171
1172         return ipconfig->address->gateway;
1173 }
1174
1175 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1176 {
1177         DBG("");
1178
1179         if (ipconfig->address == NULL)
1180                 return;
1181         g_free(ipconfig->address->gateway);
1182         ipconfig->address->gateway = g_strdup(gateway);
1183 }
1184
1185 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1186 {
1187         struct connman_service *service;
1188
1189         DBG("");
1190
1191         if (ipconfig->address == NULL)
1192                 return -EINVAL;
1193
1194         service = __connman_service_lookup_from_index(ipconfig->index);
1195         if (service == NULL)
1196                 return -EINVAL;
1197
1198         __connman_connection_gateway_remove(service, ipconfig->type);
1199
1200         DBG("type %d gw %s peer %s", ipconfig->type,
1201                 ipconfig->address->gateway, ipconfig->address->peer);
1202
1203         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1204                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1205                 return __connman_connection_gateway_add(service,
1206                                                 ipconfig->address->gateway,
1207                                                 ipconfig->type,
1208                                                 ipconfig->address->peer);
1209
1210         return 0;
1211 }
1212
1213 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1214 {
1215         struct connman_service *service;
1216
1217         DBG("");
1218
1219         service = __connman_service_lookup_from_index(ipconfig->index);
1220         if (service != NULL)
1221                 __connman_connection_gateway_remove(service, ipconfig->type);
1222 }
1223
1224 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1225 {
1226         if (ipconfig->address == NULL)
1227                 return 0;
1228
1229         return ipconfig->address->prefixlen;
1230 }
1231
1232 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1233 {
1234         if (ipconfig->address == NULL)
1235                 return;
1236
1237         ipconfig->address->prefixlen = prefixlen;
1238 }
1239
1240 static struct connman_ipconfig *create_ipv6config(int index)
1241 {
1242         struct connman_ipconfig *ipv6config;
1243
1244         DBG("index %d", index);
1245
1246         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1247         if (ipv6config == NULL)
1248                 return NULL;
1249
1250         ipv6config->refcount = 1;
1251
1252         ipv6config->index = index;
1253         ipv6config->enabled = FALSE;
1254         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1255         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1256         ipv6config->ipv6_privacy_config = 0;
1257
1258         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1259         if (ipv6config->address == NULL) {
1260                 g_free(ipv6config);
1261                 return NULL;
1262         }
1263
1264         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1265
1266         DBG("ipconfig %p", ipv6config);
1267
1268         return ipv6config;
1269 }
1270
1271 /**
1272  * connman_ipconfig_create:
1273  *
1274  * Allocate a new ipconfig structure.
1275  *
1276  * Returns: a newly-allocated #connman_ipconfig structure
1277  */
1278 struct connman_ipconfig *__connman_ipconfig_create(int index,
1279                                         enum connman_ipconfig_type type)
1280 {
1281         struct connman_ipconfig *ipconfig;
1282
1283         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1284                 return create_ipv6config(index);
1285
1286         DBG("index %d", index);
1287
1288         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1289         if (ipconfig == NULL)
1290                 return NULL;
1291
1292         ipconfig->refcount = 1;
1293
1294         ipconfig->index = index;
1295         ipconfig->enabled = FALSE;
1296         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1297
1298         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1299         if (ipconfig->address == NULL) {
1300                 g_free(ipconfig);
1301                 return NULL;
1302         }
1303
1304         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1305
1306         DBG("ipconfig %p", ipconfig);
1307
1308         return ipconfig;
1309 }
1310
1311
1312 /**
1313  * connman_ipconfig_ref:
1314  * @ipconfig: ipconfig structure
1315  *
1316  * Increase reference counter of ipconfig
1317  */
1318 struct connman_ipconfig *
1319 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1320                                 const char *file, int line, const char *caller)
1321 {
1322         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1323                 file, line, caller);
1324
1325         __sync_fetch_and_add(&ipconfig->refcount, 1);
1326
1327         return ipconfig;
1328 }
1329
1330 /**
1331  * connman_ipconfig_unref:
1332  * @ipconfig: ipconfig structure
1333  *
1334  * Decrease reference counter of ipconfig
1335  */
1336 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1337                                 const char *file, int line, const char *caller)
1338 {
1339         if (ipconfig == NULL)
1340                 return;
1341
1342         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1343                 file, line, caller);
1344
1345         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1346                 return;
1347
1348         if (__connman_ipconfig_disable(ipconfig) < 0)
1349                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1350
1351         __connman_ipconfig_set_ops(ipconfig, NULL);
1352
1353         if (ipconfig->origin != NULL && ipconfig->origin != ipconfig) {
1354                 __connman_ipconfig_unref(ipconfig->origin);
1355                 ipconfig->origin = NULL;
1356         }
1357
1358         connman_ipaddress_free(ipconfig->system);
1359         connman_ipaddress_free(ipconfig->address);
1360         g_free(ipconfig->last_dhcp_address);
1361         g_free(ipconfig);
1362 }
1363
1364 /**
1365  * connman_ipconfig_get_data:
1366  * @ipconfig: ipconfig structure
1367  *
1368  * Get private data pointer
1369  */
1370 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1371 {
1372         if (ipconfig == NULL)
1373                 return NULL;
1374
1375         return ipconfig->ops_data;
1376 }
1377
1378 /**
1379  * connman_ipconfig_set_data:
1380  * @ipconfig: ipconfig structure
1381  * @data: data pointer
1382  *
1383  * Set private data pointer
1384  */
1385 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1386 {
1387         ipconfig->ops_data = data;
1388 }
1389
1390 /**
1391  * connman_ipconfig_get_index:
1392  * @ipconfig: ipconfig structure
1393  *
1394  * Get interface index
1395  */
1396 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1397 {
1398         if (ipconfig == NULL)
1399                 return -1;
1400
1401         if (ipconfig->origin != NULL)
1402                 return ipconfig->origin->index;
1403
1404         return ipconfig->index;
1405 }
1406
1407 /**
1408  * connman_ipconfig_get_ifname:
1409  * @ipconfig: ipconfig structure
1410  *
1411  * Get interface name
1412  */
1413 const char *__connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1414 {
1415         struct connman_ipdevice *ipdevice;
1416
1417         if (ipconfig == NULL)
1418                 return NULL;
1419
1420         if (ipconfig->index < 0)
1421                 return NULL;
1422
1423         ipdevice = g_hash_table_lookup(ipdevice_hash,
1424                                         GINT_TO_POINTER(ipconfig->index));
1425         if (ipdevice == NULL)
1426                 return NULL;
1427
1428         return ipdevice->ifname;
1429 }
1430
1431 /**
1432  * connman_ipconfig_set_ops:
1433  * @ipconfig: ipconfig structure
1434  * @ops: operation callbacks
1435  *
1436  * Set the operation callbacks
1437  */
1438 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1439                                 const struct connman_ipconfig_ops *ops)
1440 {
1441         ipconfig->ops = ops;
1442 }
1443
1444 /**
1445  * connman_ipconfig_set_method:
1446  * @ipconfig: ipconfig structure
1447  * @method: configuration method
1448  *
1449  * Set the configuration method
1450  */
1451 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1452                                         enum connman_ipconfig_method method)
1453 {
1454         ipconfig->method = method;
1455
1456         return 0;
1457 }
1458
1459 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1460 {
1461         if (ipconfig == NULL)
1462                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1463
1464         return ipconfig->method;
1465 }
1466
1467 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1468 {
1469         DBG("");
1470
1471         switch (ipconfig->method) {
1472         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1473         case CONNMAN_IPCONFIG_METHOD_OFF:
1474                 break;
1475         case CONNMAN_IPCONFIG_METHOD_AUTO:
1476         case CONNMAN_IPCONFIG_METHOD_FIXED:
1477         case CONNMAN_IPCONFIG_METHOD_DHCP:
1478         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1479                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1480                         return connman_inet_set_address(ipconfig->index,
1481                                                         ipconfig->address);
1482                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1483                         return connman_inet_set_ipv6_address(
1484                                         ipconfig->index, ipconfig->address);
1485         }
1486
1487         return 0;
1488 }
1489
1490 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1491 {
1492         int err;
1493
1494         DBG("");
1495
1496         if (ipconfig == NULL)
1497                 return 0;
1498
1499         DBG("method %d", ipconfig->method);
1500
1501         switch (ipconfig->method) {
1502         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1503         case CONNMAN_IPCONFIG_METHOD_OFF:
1504                 break;
1505         case CONNMAN_IPCONFIG_METHOD_AUTO:
1506         case CONNMAN_IPCONFIG_METHOD_FIXED:
1507         case CONNMAN_IPCONFIG_METHOD_DHCP:
1508         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1509                 err = __connman_ipconfig_address_unset(ipconfig);
1510                 connman_ipaddress_clear(ipconfig->address);
1511
1512                 return err;
1513         }
1514
1515         return 0;
1516 }
1517
1518 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1519 {
1520         int err;
1521
1522         DBG("");
1523
1524         if (ipconfig == NULL)
1525                 return 0;
1526
1527         DBG("method %d", ipconfig->method);
1528
1529         switch (ipconfig->method) {
1530         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1531         case CONNMAN_IPCONFIG_METHOD_OFF:
1532                 break;
1533         case CONNMAN_IPCONFIG_METHOD_AUTO:
1534         case CONNMAN_IPCONFIG_METHOD_FIXED:
1535         case CONNMAN_IPCONFIG_METHOD_DHCP:
1536         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1537                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1538                         err = connman_inet_clear_address(ipconfig->index,
1539                                                         ipconfig->address);
1540                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1541                         err = connman_inet_clear_ipv6_address(
1542                                                 ipconfig->index,
1543                                                 ipconfig->address->local,
1544                                                 ipconfig->address->prefixlen);
1545                 else
1546                         err = -EINVAL;
1547
1548                 return err;
1549         }
1550
1551         return 0;
1552 }
1553
1554 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1555                                                         const char *url)
1556 {
1557         struct connman_ipdevice *ipdevice;
1558
1559         DBG("ipconfig %p", ipconfig);
1560
1561         if (ipconfig == NULL || ipconfig->index < 0)
1562                 return -ENODEV;
1563
1564         ipdevice = g_hash_table_lookup(ipdevice_hash,
1565                                         GINT_TO_POINTER(ipconfig->index));
1566         if (ipdevice == NULL)
1567                 return -ENXIO;
1568
1569         g_free(ipdevice->pac);
1570         ipdevice->pac = g_strdup(url);
1571
1572         return 0;
1573 }
1574
1575 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1576 {
1577         struct connman_ipdevice *ipdevice;
1578
1579         DBG("ipconfig %p", ipconfig);
1580
1581         if (ipconfig == NULL || ipconfig->index < 0)
1582                 return NULL;
1583
1584         ipdevice = g_hash_table_lookup(ipdevice_hash,
1585                                         GINT_TO_POINTER(ipconfig->index));
1586         if (ipdevice == NULL)
1587                 return NULL;
1588
1589         return ipdevice->pac;
1590 }
1591
1592 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1593                                         const char *address)
1594 {
1595         if (ipconfig == NULL)
1596                 return;
1597
1598         g_free(ipconfig->last_dhcp_address);
1599         ipconfig->last_dhcp_address = g_strdup(address);
1600 }
1601
1602 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1603 {
1604         if (ipconfig == NULL)
1605                 return NULL;
1606
1607         return ipconfig->last_dhcp_address;
1608 }
1609
1610 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1611 {
1612         struct connman_ipdevice *ipdevice;
1613
1614         DBG("");
1615
1616         ipdevice = g_hash_table_lookup(ipdevice_hash,
1617                                         GINT_TO_POINTER(ipconfig->index));
1618         if (ipdevice == NULL)
1619                 return;
1620
1621         set_ipv6_state(ipdevice->ifname, FALSE);
1622 }
1623
1624 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1625 {
1626         struct connman_ipdevice *ipdevice;
1627
1628         DBG("");
1629
1630         ipdevice = g_hash_table_lookup(ipdevice_hash,
1631                                         GINT_TO_POINTER(ipconfig->index));
1632         if (ipdevice == NULL)
1633                 return;
1634
1635         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1636                 set_ipv6_privacy(ipdevice->ifname,
1637                                 ipconfig->ipv6_privacy_config);
1638
1639         set_ipv6_state(ipdevice->ifname, TRUE);
1640 }
1641
1642 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1643 {
1644         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1645                 return;
1646
1647         enable_ipv6(ipconfig);
1648 }
1649
1650 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1651 {
1652         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1653                 return;
1654
1655         disable_ipv6(ipconfig);
1656 }
1657
1658 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1659 {
1660         struct connman_ipdevice *ipdevice;
1661         gboolean up = FALSE, down = FALSE;
1662         gboolean lower_up = FALSE, lower_down = FALSE;
1663         enum connman_ipconfig_type type;
1664
1665         DBG("ipconfig %p", ipconfig);
1666
1667         if (ipconfig == NULL || ipconfig->index < 0)
1668                 return -ENODEV;
1669
1670         ipdevice = g_hash_table_lookup(ipdevice_hash,
1671                                         GINT_TO_POINTER(ipconfig->index));
1672         if (ipdevice == NULL)
1673                 return -ENXIO;
1674
1675         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1676                 if (ipdevice->config_ipv4 == ipconfig)
1677                         return -EALREADY;
1678                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1679         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1680                 if (ipdevice->config_ipv6 == ipconfig)
1681                         return -EALREADY;
1682                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1683                 enable_ipv6(ipconfig);
1684         } else
1685                 return -EINVAL;
1686
1687         ipconfig->enabled = TRUE;
1688
1689         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1690                                         ipdevice->config_ipv4 != NULL) {
1691                 ipconfig_list = g_list_remove(ipconfig_list,
1692                                                         ipdevice->config_ipv4);
1693
1694                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1695
1696                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1697         }
1698
1699         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1700                                         ipdevice->config_ipv6 != NULL) {
1701                 ipconfig_list = g_list_remove(ipconfig_list,
1702                                                         ipdevice->config_ipv6);
1703
1704                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1705
1706                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1707         }
1708
1709         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1710                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1711         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1712                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1713
1714         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1715
1716         if (ipdevice->flags & IFF_UP)
1717                 up = TRUE;
1718         else
1719                 down = TRUE;
1720
1721         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1722                         (IFF_RUNNING | IFF_LOWER_UP))
1723                 lower_up = TRUE;
1724         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1725                 lower_down = TRUE;
1726
1727         if (up == TRUE && ipconfig->ops->up)
1728                 ipconfig->ops->up(ipconfig);
1729         if (lower_up == TRUE && ipconfig->ops->lower_up)
1730                 ipconfig->ops->lower_up(ipconfig);
1731
1732         if (lower_down == TRUE && ipconfig->ops->lower_down)
1733                 ipconfig->ops->lower_down(ipconfig);
1734         if (down == TRUE && ipconfig->ops->down)
1735                 ipconfig->ops->down(ipconfig);
1736
1737         return 0;
1738 }
1739
1740 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1741 {
1742         struct connman_ipdevice *ipdevice;
1743
1744         DBG("ipconfig %p", ipconfig);
1745
1746         if (ipconfig == NULL || ipconfig->index < 0)
1747                 return -ENODEV;
1748
1749         ipdevice = g_hash_table_lookup(ipdevice_hash,
1750                                         GINT_TO_POINTER(ipconfig->index));
1751         if (ipdevice == NULL)
1752                 return -ENXIO;
1753
1754         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1755                 return -EINVAL;
1756
1757         ipconfig->enabled = FALSE;
1758
1759         if (ipdevice->config_ipv4 == ipconfig) {
1760                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1761
1762                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1763                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1764                 ipdevice->config_ipv4 = NULL;
1765                 return 0;
1766         }
1767
1768         if (ipdevice->config_ipv6 == ipconfig) {
1769                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1770
1771                 if (ipdevice->config_ipv6->method ==
1772                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1773                         disable_ipv6(ipdevice->config_ipv6);
1774
1775                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1776                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1777                 ipdevice->config_ipv6 = NULL;
1778                 return 0;
1779         }
1780
1781         return -EINVAL;
1782 }
1783
1784 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1785 {
1786         switch (method) {
1787         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1788                 break;
1789         case CONNMAN_IPCONFIG_METHOD_OFF:
1790                 return "off";
1791         case CONNMAN_IPCONFIG_METHOD_FIXED:
1792                 return "fixed";
1793         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1794                 return "manual";
1795         case CONNMAN_IPCONFIG_METHOD_DHCP:
1796                 return "dhcp";
1797         case CONNMAN_IPCONFIG_METHOD_AUTO:
1798                 return "auto";
1799         }
1800
1801         return NULL;
1802 }
1803
1804 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1805 {
1806         if (g_strcmp0(method, "off") == 0)
1807                 return CONNMAN_IPCONFIG_METHOD_OFF;
1808         else if (g_strcmp0(method, "fixed") == 0)
1809                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1810         else if (g_strcmp0(method, "manual") == 0)
1811                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1812         else if (g_strcmp0(method, "dhcp") == 0)
1813                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1814         else if (g_strcmp0(method, "auto") == 0)
1815                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1816         else
1817                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1818 }
1819
1820 static const char *privacy2string(int privacy)
1821 {
1822         if (privacy <= 0)
1823                 return "disabled";
1824         else if (privacy == 1)
1825                 return "enabled";
1826         else if (privacy > 1)
1827                 return "prefered";
1828
1829         return "disabled";
1830 }
1831
1832 static int string2privacy(const char *privacy)
1833 {
1834         if (g_strcmp0(privacy, "disabled") == 0)
1835                 return 0;
1836         else if (g_strcmp0(privacy, "enabled") == 0)
1837                 return 1;
1838         else if (g_strcmp0(privacy, "prefered") == 0)
1839                 return 2;
1840         else
1841                 return 0;
1842 }
1843
1844 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1845                                                         DBusMessageIter *iter)
1846 {
1847         const char *str;
1848
1849         DBG("");
1850
1851         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1852                 return;
1853
1854         str = __connman_ipconfig_method2string(ipconfig->method);
1855         if (str == NULL)
1856                 return;
1857
1858         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1859
1860         if (ipconfig->system == NULL)
1861                 return;
1862
1863         if (ipconfig->system->local != NULL) {
1864                 in_addr_t addr;
1865                 struct in_addr netmask;
1866                 char *mask;
1867
1868                 connman_dbus_dict_append_basic(iter, "Address",
1869                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1870
1871                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1872                 netmask.s_addr = htonl(addr);
1873                 mask = inet_ntoa(netmask);
1874                 connman_dbus_dict_append_basic(iter, "Netmask",
1875                                                 DBUS_TYPE_STRING, &mask);
1876         }
1877
1878         if (ipconfig->system->gateway != NULL)
1879                 connman_dbus_dict_append_basic(iter, "Gateway",
1880                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1881 }
1882
1883 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1884                                         DBusMessageIter *iter,
1885                                         struct connman_ipconfig *ipconfig_ipv4)
1886 {
1887         const char *str, *privacy;
1888
1889         DBG("");
1890
1891         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1892                 return;
1893
1894         str = __connman_ipconfig_method2string(ipconfig->method);
1895         if (str == NULL)
1896                 return;
1897
1898         if (ipconfig_ipv4 != NULL &&
1899                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1900                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1901                         str = "6to4";
1902         }
1903
1904         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1905
1906         if (ipconfig->system == NULL)
1907                 return;
1908
1909         if (ipconfig->system->local != NULL) {
1910                 connman_dbus_dict_append_basic(iter, "Address",
1911                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1912                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1913                                                 DBUS_TYPE_BYTE,
1914                                                 &ipconfig->system->prefixlen);
1915         }
1916
1917         if (ipconfig->system->gateway != NULL)
1918                 connman_dbus_dict_append_basic(iter, "Gateway",
1919                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1920
1921         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1922         connman_dbus_dict_append_basic(iter, "Privacy",
1923                                 DBUS_TYPE_STRING, &privacy);
1924 }
1925
1926 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1927                                                         DBusMessageIter *iter)
1928 {
1929         const char *str, *privacy;
1930
1931         DBG("");
1932
1933         str = __connman_ipconfig_method2string(ipconfig->method);
1934         if (str == NULL)
1935                 return;
1936
1937         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1938
1939         switch (ipconfig->method) {
1940         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1941         case CONNMAN_IPCONFIG_METHOD_OFF:
1942         case CONNMAN_IPCONFIG_METHOD_DHCP:
1943                 return;
1944         case CONNMAN_IPCONFIG_METHOD_FIXED:
1945         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1946         case CONNMAN_IPCONFIG_METHOD_AUTO:
1947                 break;
1948         }
1949
1950         if (ipconfig->address == NULL)
1951                 return;
1952
1953         if (ipconfig->address->local != NULL) {
1954                 connman_dbus_dict_append_basic(iter, "Address",
1955                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1956                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1957                                                 DBUS_TYPE_BYTE,
1958                                                 &ipconfig->address->prefixlen);
1959         }
1960
1961         if (ipconfig->address->gateway != NULL)
1962                 connman_dbus_dict_append_basic(iter, "Gateway",
1963                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1964
1965         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1966         connman_dbus_dict_append_basic(iter, "Privacy",
1967                                 DBUS_TYPE_STRING, &privacy);
1968 }
1969
1970 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1971                                                         DBusMessageIter *iter)
1972 {
1973         const char *str;
1974
1975         DBG("");
1976
1977         str = __connman_ipconfig_method2string(ipconfig->method);
1978         if (str == NULL)
1979                 return;
1980
1981         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1982
1983         switch (ipconfig->method) {
1984         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1985         case CONNMAN_IPCONFIG_METHOD_OFF:
1986         case CONNMAN_IPCONFIG_METHOD_DHCP:
1987         case CONNMAN_IPCONFIG_METHOD_AUTO:
1988                 return;
1989         case CONNMAN_IPCONFIG_METHOD_FIXED:
1990         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1991                 break;
1992         }
1993
1994         if (ipconfig->address == NULL)
1995                 return;
1996
1997         if (ipconfig->address->local != NULL) {
1998                 in_addr_t addr;
1999                 struct in_addr netmask;
2000                 char *mask;
2001
2002                 connman_dbus_dict_append_basic(iter, "Address",
2003                                 DBUS_TYPE_STRING, &ipconfig->address->local);
2004
2005                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
2006                 netmask.s_addr = htonl(addr);
2007                 mask = inet_ntoa(netmask);
2008                 connman_dbus_dict_append_basic(iter, "Netmask",
2009                                                 DBUS_TYPE_STRING, &mask);
2010         }
2011
2012         if (ipconfig->address->gateway != NULL)
2013                 connman_dbus_dict_append_basic(iter, "Gateway",
2014                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
2015 }
2016
2017 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
2018                                                         DBusMessageIter *array)
2019 {
2020         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
2021         const char *address = NULL, *netmask = NULL, *gateway = NULL,
2022                 *prefix_length_string = NULL, *privacy_string = NULL;
2023         int prefix_length = 0, privacy = 0;
2024         DBusMessageIter dict;
2025
2026         DBG("ipconfig %p", ipconfig);
2027
2028         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
2029                 return -EINVAL;
2030
2031         dbus_message_iter_recurse(array, &dict);
2032
2033         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
2034                 DBusMessageIter entry, value;
2035                 const char *key;
2036                 int type;
2037
2038                 dbus_message_iter_recurse(&dict, &entry);
2039
2040                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2041                         return -EINVAL;
2042
2043                 dbus_message_iter_get_basic(&entry, &key);
2044                 dbus_message_iter_next(&entry);
2045
2046                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
2047                         return -EINVAL;
2048
2049                 dbus_message_iter_recurse(&entry, &value);
2050
2051                 type = dbus_message_iter_get_arg_type(&value);
2052
2053                 if (g_str_equal(key, "Method") == TRUE) {
2054                         const char *str;
2055
2056                         if (type != DBUS_TYPE_STRING)
2057                                 return -EINVAL;
2058
2059                         dbus_message_iter_get_basic(&value, &str);
2060                         method = __connman_ipconfig_string2method(str);
2061                 } else if (g_str_equal(key, "Address") == TRUE) {
2062                         if (type != DBUS_TYPE_STRING)
2063                                 return -EINVAL;
2064
2065                         dbus_message_iter_get_basic(&value, &address);
2066                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
2067                         if (type != DBUS_TYPE_STRING)
2068                                 return -EINVAL;
2069
2070                         dbus_message_iter_get_basic(&value,
2071                                                         &prefix_length_string);
2072
2073                         prefix_length = atoi(prefix_length_string);
2074                         if (prefix_length < 0 || prefix_length > 128)
2075                                 return -EINVAL;
2076                 } else if (g_str_equal(key, "Netmask") == TRUE) {
2077                         if (type != DBUS_TYPE_STRING)
2078                                 return -EINVAL;
2079
2080                         dbus_message_iter_get_basic(&value, &netmask);
2081                 } else if (g_str_equal(key, "Gateway") == TRUE) {
2082                         if (type != DBUS_TYPE_STRING)
2083                                 return -EINVAL;
2084
2085                         dbus_message_iter_get_basic(&value, &gateway);
2086                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2087                         if (type != DBUS_TYPE_STRING)
2088                                 return -EINVAL;
2089
2090                         dbus_message_iter_get_basic(&value, &privacy_string);
2091                         privacy = string2privacy(privacy_string);
2092                 }
2093
2094                 dbus_message_iter_next(&dict);
2095         }
2096
2097         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2098                 "privacy %s",
2099                 method, address, netmask, gateway, prefix_length,
2100                 privacy_string);
2101
2102         switch (method) {
2103         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2104         case CONNMAN_IPCONFIG_METHOD_FIXED:
2105                 return -EINVAL;
2106
2107         case CONNMAN_IPCONFIG_METHOD_OFF:
2108                 ipconfig->method = method;
2109                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2110                         disable_ipv6(ipconfig);
2111                 break;
2112
2113         case CONNMAN_IPCONFIG_METHOD_AUTO:
2114                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2115                         return -EINVAL;
2116
2117                 ipconfig->method = method;
2118                 if (privacy_string != NULL)
2119                         ipconfig->ipv6_privacy_config = privacy;
2120                 enable_ipv6(ipconfig);
2121                 break;
2122
2123         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2124                 if (address == NULL)
2125                         return -EINVAL;
2126
2127                 ipconfig->method = method;
2128
2129                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2130                         connman_ipaddress_set_ipv4(ipconfig->address,
2131                                                 address, netmask, gateway);
2132                 else
2133                         return connman_ipaddress_set_ipv6(
2134                                         ipconfig->address, address,
2135                                                 prefix_length, gateway);
2136                 break;
2137
2138         case CONNMAN_IPCONFIG_METHOD_DHCP:
2139                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2140                         return -EOPNOTSUPP;
2141
2142                 ipconfig->method = method;
2143                 break;
2144         }
2145
2146         return 0;
2147 }
2148
2149 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2150                                                         DBusMessageIter *iter)
2151 {
2152         struct connman_ipdevice *ipdevice;
2153         const char *method = "auto";
2154
2155         connman_dbus_dict_append_basic(iter, "Method",
2156                                                 DBUS_TYPE_STRING, &method);
2157
2158         ipdevice = g_hash_table_lookup(ipdevice_hash,
2159                                         GINT_TO_POINTER(ipconfig->index));
2160         if (ipdevice == NULL)
2161                 return;
2162
2163         if (ipdevice->ifname != NULL)
2164                 connman_dbus_dict_append_basic(iter, "Interface",
2165                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2166
2167         if (ipdevice->address != NULL)
2168                 connman_dbus_dict_append_basic(iter, "Address",
2169                                         DBUS_TYPE_STRING, &ipdevice->address);
2170
2171         if (ipdevice->mtu > 0)
2172                 connman_dbus_dict_append_basic(iter, "MTU",
2173                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2174 }
2175
2176 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2177                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2178 {
2179         char *method;
2180         char *key;
2181         char *str;
2182
2183         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2184
2185         key = g_strdup_printf("%smethod", prefix);
2186         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2187         if (method == NULL) {
2188                 switch (ipconfig->type) {
2189                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2190                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2191                         break;
2192                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2193                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2194                         break;
2195                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2196                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2197                         break;
2198                 }
2199         } else
2200                 ipconfig->method = __connman_ipconfig_string2method(method);
2201
2202         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2203                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2204
2205         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2206                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2207                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2208                         char *privacy;
2209                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2210                         privacy = g_key_file_get_string(keyfile, identifier,
2211                                                         pprefix, NULL);
2212                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2213                         g_free(pprefix);
2214                         g_free(privacy);
2215                 }
2216         }
2217
2218         g_free(method);
2219         g_free(key);
2220
2221         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2222         ipconfig->address->prefixlen = g_key_file_get_integer(
2223                                 keyfile, identifier, key, NULL);
2224         g_free(key);
2225
2226         key = g_strdup_printf("%slocal_address", prefix);
2227         ipconfig->address->local = g_key_file_get_string(
2228                         keyfile, identifier, key, NULL);
2229         g_free(key);
2230
2231         key = g_strdup_printf("%speer_address", prefix);
2232         ipconfig->address->peer = g_key_file_get_string(
2233                                 keyfile, identifier, key, NULL);
2234         g_free(key);
2235
2236         key = g_strdup_printf("%sbroadcast_address", prefix);
2237         ipconfig->address->broadcast = g_key_file_get_string(
2238                                 keyfile, identifier, key, NULL);
2239         g_free(key);
2240
2241         key = g_strdup_printf("%sgateway", prefix);
2242         ipconfig->address->gateway = g_key_file_get_string(
2243                                 keyfile, identifier, key, NULL);
2244         g_free(key);
2245
2246         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2247         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2248         if (str != NULL) {
2249                 g_free(ipconfig->last_dhcp_address);
2250                 ipconfig->last_dhcp_address = str;
2251         }
2252         g_free(key);
2253
2254         return 0;
2255 }
2256
2257 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2258                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2259 {
2260         const char *method;
2261         char *key;
2262
2263         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2264
2265         method = __connman_ipconfig_method2string(ipconfig->method);
2266
2267         key = g_strdup_printf("%smethod", prefix);
2268         g_key_file_set_string(keyfile, identifier, key, method);
2269         g_free(key);
2270
2271         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2272                 const char *privacy;
2273                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2274                 key = g_strdup_printf("%sprivacy", prefix);
2275                 g_key_file_set_string(keyfile, identifier, key, privacy);
2276                 g_free(key);
2277         }
2278
2279         switch (ipconfig->method) {
2280         case CONNMAN_IPCONFIG_METHOD_FIXED:
2281         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2282                 break;
2283         case CONNMAN_IPCONFIG_METHOD_DHCP:
2284                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2285                 if (ipconfig->last_dhcp_address != NULL &&
2286                                 strlen(ipconfig->last_dhcp_address) > 0)
2287                         g_key_file_set_string(keyfile, identifier, key,
2288                                         ipconfig->last_dhcp_address);
2289                 else
2290                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2291                 g_free(key);
2292                 /* fall through */
2293         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2294         case CONNMAN_IPCONFIG_METHOD_OFF:
2295         case CONNMAN_IPCONFIG_METHOD_AUTO:
2296                 return 0;
2297         }
2298
2299         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2300         g_key_file_set_integer(keyfile, identifier,
2301                         key, ipconfig->address->prefixlen);
2302         g_free(key);
2303
2304         key = g_strdup_printf("%slocal_address", prefix);
2305         if (ipconfig->address->local != NULL)
2306                 g_key_file_set_string(keyfile, identifier,
2307                                 key, ipconfig->address->local);
2308         g_free(key);
2309
2310         key = g_strdup_printf("%speer_address", prefix);
2311         if (ipconfig->address->peer != NULL)
2312                 g_key_file_set_string(keyfile, identifier,
2313                                 key, ipconfig->address->peer);
2314         g_free(key);
2315
2316         key = g_strdup_printf("%sbroadcast_address", prefix);
2317         if (ipconfig->address->broadcast != NULL)
2318                 g_key_file_set_string(keyfile, identifier,
2319                         key, ipconfig->address->broadcast);
2320         g_free(key);
2321
2322         key = g_strdup_printf("%sgateway", prefix);
2323         if (ipconfig->address->gateway != NULL)
2324                 g_key_file_set_string(keyfile, identifier,
2325                         key, ipconfig->address->gateway);
2326         g_free(key);
2327
2328         return 0;
2329 }
2330
2331 int __connman_ipconfig_init(void)
2332 {
2333         DBG("");
2334
2335         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2336                                                         NULL, free_ipdevice);
2337
2338         return 0;
2339 }
2340
2341 void __connman_ipconfig_cleanup(void)
2342 {
2343         DBG("");
2344
2345         g_hash_table_destroy(ipdevice_hash);
2346         ipdevice_hash = NULL;
2347 }