src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 #include <connman/ipaddress.h>
  40
  41 #include "connman.h"
  42
  43 struct connman_ipconfig {
  44         int refcount;
  45         int index;
  46         enum connman_ipconfig_type type;
  47
  48         struct connman_ipconfig *origin;
  49
  50         const struct connman_ipconfig_ops *ops;
  51         void *ops_data;
  52
  53         connman_bool_t enabled;
  54         enum connman_ipconfig_method method;
  55         struct connman_ipaddress *address;
  56         struct connman_ipaddress *system;
  57
  58         int ipv6_privacy_config;
  59         char *last_dhcp_address;
  60 };
  61
  62 struct connman_ipdevice {
  63         int index;
  64         char *ifname;
  65         unsigned short type;
  66         unsigned int flags;
  67         char *address;
  68         uint16_t mtu;
  69         uint32_t rx_packets;
  70         uint32_t tx_packets;
  71         uint32_t rx_bytes;
  72         uint32_t tx_bytes;
  73         uint32_t rx_errors;
  74         uint32_t tx_errors;
  75         uint32_t rx_dropped;
  76         uint32_t tx_dropped;
  77
  78         GSList *address_list;
  79         char *ipv4_gateway;
  80         char *ipv6_gateway;
  81
  82         char *pac;
  83
  84         struct connman_ipconfig *config_ipv4;
  85         struct connman_ipconfig *config_ipv6;
  86
  87         gboolean ipv6_enabled;
  88         int ipv6_privacy;
  89 };
  90
  91 static GHashTable *ipdevice_hash = NULL;
  92 static GList *ipconfig_list = NULL;
  93 static connman_bool_t is_ipv6_supported = FALSE;
  94
  95 void __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
  96 {
  97         if (ipconfig == NULL)
  98                 return;
  99
 100         connman_ipaddress_clear(ipconfig->address);
 101 }
 102
 103 static void free_address_list(struct connman_ipdevice *ipdevice)
 104 {
 105         GSList *list;
 106
 107         for (list = ipdevice->address_list; list; list = list->next) {
 108                 struct connman_ipaddress *ipaddress = list->data;
 109
 110                 connman_ipaddress_free(ipaddress);
 111                 list->data = NULL;
 112         }
 113
 114         g_slist_free(ipdevice->address_list);
 115         ipdevice->address_list = NULL;
 116 }
 117
 118 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 119                                 unsigned char prefixlen, const char *local)
 120 {
 121         GSList *list;
 122
 123         for (list = ipdevice->address_list; list; list = list->next) {
 124                 struct connman_ipaddress *ipaddress = list->data;
 125
 126                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 127                                         ipaddress->prefixlen == prefixlen)
 128                         return ipaddress;
 129         }
 130
 131         return NULL;
 132 }
 133
 134 const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
 135 {
 136         switch (type) {
 137         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 138                 return "unknown";
 139         case CONNMAN_IPCONFIG_TYPE_IPV4:
 140                 return "IPv4";
 141         case CONNMAN_IPCONFIG_TYPE_IPV6:
 142                 return "IPv6";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 static const char *type2str(unsigned short type)
 149 {
 150         switch (type) {
 151         case ARPHRD_ETHER:
 152                 return "ETHER";
 153         case ARPHRD_LOOPBACK:
 154                 return "LOOPBACK";
 155         case ARPHRD_PPP:
 156                 return "PPP";
 157         case ARPHRD_NONE:
 158                 return "NONE";
 159         case ARPHRD_VOID:
 160                 return "VOID";
 161         }
 162
 163         return "";
 164 }
 165
 166 static const char *scope2str(unsigned char scope)
 167 {
 168         switch (scope) {
 169         case 0:
 170                 return "UNIVERSE";
 171         case 253:
 172                 return "LINK";
 173         }
 174
 175         return "";
 176 }
 177
 178 static gboolean get_ipv6_state(gchar *ifname)
 179 {
 180         int disabled;
 181         gchar *path;
 182         FILE *f;
 183         gboolean enabled = FALSE;
 184
 185         if (ifname == NULL)
 186                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 187         else
 188                 path = g_strdup_printf(
 189                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 190
 191         if (path == NULL)
 192                 return enabled;
 193
 194         f = fopen(path, "r");
 195
 196         g_free(path);
 197
 198         if (f != NULL) {
 199                 if (fscanf(f, "%d", &disabled) > 0)
 200                         enabled = !disabled;
 201                 fclose(f);
 202         }
 203
 204         return enabled;
 205 }
 206
 207 static void set_ipv6_state(gchar *ifname, gboolean enable)
 208 {
 209         gchar *path;
 210         FILE *f;
 211
 212         if (ifname == NULL)
 213                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 214         else
 215                 path = g_strdup_printf(
 216                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 217
 218         if (path == NULL)
 219                 return;
 220
 221         f = fopen(path, "r+");
 222
 223         g_free(path);
 224
 225         if (f == NULL)
 226                 return;
 227
 228         if (enable == FALSE)
 229                 fprintf(f, "1");
 230         else
 231                 fprintf(f, "0");
 232
 233         fclose(f);
 234 }
 235
 236 static int get_ipv6_privacy(gchar *ifname)
 237 {
 238         gchar *path;
 239         FILE *f;
 240         int value;
 241
 242         if (ifname == NULL)
 243                 return 0;
 244
 245         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 246                                                                 ifname);
 247
 248         if (path == NULL)
 249                 return 0;
 250
 251         f = fopen(path, "r");
 252
 253         g_free(path);
 254
 255         if (f == NULL)
 256                 return 0;
 257
 258         if (fscanf(f, "%d", &value) <= 0)
 259                 value = 0;
 260
 261         fclose(f);
 262
 263         return value;
 264 }
 265
 266 /* Enable the IPv6 privacy extension for stateless address autoconfiguration.
 267  * The privacy extension is described in RFC 3041 and RFC 4941
 268  */
 269 static void set_ipv6_privacy(gchar *ifname, int value)
 270 {
 271         gchar *path;
 272         FILE *f;
 273
 274         if (ifname == NULL)
 275                 return;
 276
 277         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 278                                                                 ifname);
 279
 280         if (path == NULL)
 281                 return;
 282
 283         if (value < 0)
 284                 value = 0;
 285
 286         f = fopen(path, "r+");
 287
 288         g_free(path);
 289
 290         if (f == NULL)
 291                 return;
 292
 293         fprintf(f, "%d", value);
 294         fclose(f);
 295 }
 296
 297 static int get_rp_filter()
 298 {
 299         FILE *f;
 300         int value = -EINVAL, tmp;
 301
 302         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
 303
 304         if (f != NULL) {
 305                 if (fscanf(f, "%d", &tmp) == 1)
 306                         value = tmp;
 307                 fclose(f);
 308         }
 309
 310         return value;
 311 }
 312
 313 static void set_rp_filter(int value)
 314 {
 315         FILE *f;
 316
 317         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 318
 319         if (f == NULL)
 320                 return;
 321
 322         fprintf(f, "%d", value);
 323
 324         fclose(f);
 325 }
 326
 327 int __connman_ipconfig_set_rp_filter()
 328 {
 329         int value;
 330
 331         value = get_rp_filter();
 332
 333         if (value < 0)
 334                 return value;
 335
 336         set_rp_filter(2);
 337
 338         connman_info("rp_filter set to 2 (loose mode routing), "
 339                         "old value was %d", value);
 340
 341         return value;
 342 }
 343
 344 void __connman_ipconfig_unset_rp_filter(int old_value)
 345 {
 346         set_rp_filter(old_value);
 347
 348         connman_info("rp_filter restored to %d", old_value);
 349 }
 350
 351 gboolean __connman_ipconfig_ipv6_privacy_enabled(struct connman_ipconfig *ipconfig)
 352 {
 353         if (ipconfig == NULL)
 354                 return FALSE;
 355
 356         return ipconfig->ipv6_privacy_config == 0 ? FALSE : TRUE;
 357 }
 358
 359 static void free_ipdevice(gpointer data)
 360 {
 361         struct connman_ipdevice *ipdevice = data;
 362
 363         connman_info("%s {remove} index %d", ipdevice->ifname,
 364                                                         ipdevice->index);
 365
 366         if (ipdevice->config_ipv4 != NULL) {
 367                 __connman_ipconfig_unref(ipdevice->config_ipv4);
 368                 ipdevice->config_ipv4 = NULL;
 369         }
 370
 371         if (ipdevice->config_ipv6 != NULL) {
 372                 __connman_ipconfig_unref(ipdevice->config_ipv6);
 373                 ipdevice->config_ipv6 = NULL;
 374         }
 375
 376         free_address_list(ipdevice);
 377         g_free(ipdevice->ipv4_gateway);
 378         g_free(ipdevice->ipv6_gateway);
 379         g_free(ipdevice->pac);
 380
 381         g_free(ipdevice->address);
 382
 383         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 384         set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
 385
 386         g_free(ipdevice->ifname);
 387         g_free(ipdevice);
 388 }
 389
 390 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 391 {
 392         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 393                                         ipdevice->config_ipv6);
 394 }
 395
 396 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 397 {
 398         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 399                                         ipdevice->config_ipv6);
 400
 401         if (ipdevice->config_ipv4)
 402                 connman_inet_clear_address(ipdevice->index,
 403                                         ipdevice->config_ipv4->address);
 404
 405         if (ipdevice->config_ipv6)
 406                 connman_inet_clear_ipv6_address(ipdevice->index,
 407                                 ipdevice->config_ipv6->address->local,
 408                                 ipdevice->config_ipv6->address->prefixlen);
 409 }
 410
 411 static void update_stats(struct connman_ipdevice *ipdevice,
 412                                                 struct rtnl_link_stats *stats)
 413 {
 414         struct connman_service *service;
 415
 416         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 417                 return;
 418
 419         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 420                                         stats->rx_packets, stats->rx_bytes);
 421         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 422                                         stats->tx_packets, stats->tx_bytes);
 423
 424         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 425                 return;
 426
 427         if (ipdevice->config_ipv4)
 428                 service = __connman_ipconfig_get_data(ipdevice->config_ipv4);
 429         else if (ipdevice->config_ipv6)
 430                 service = __connman_ipconfig_get_data(ipdevice->config_ipv6);
 431         else
 432                 return;
 433
 434         if (service == NULL)
 435                 return;
 436
 437         ipdevice->rx_packets = stats->rx_packets;
 438         ipdevice->tx_packets = stats->tx_packets;
 439         ipdevice->rx_bytes = stats->rx_bytes;
 440         ipdevice->tx_bytes = stats->tx_bytes;
 441         ipdevice->rx_errors = stats->rx_errors;
 442         ipdevice->tx_errors = stats->tx_errors;
 443         ipdevice->rx_dropped = stats->rx_dropped;
 444         ipdevice->tx_dropped = stats->tx_dropped;
 445
 446         __connman_service_notify(service,
 447                                 ipdevice->rx_packets, ipdevice->tx_packets,
 448                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 449                                 ipdevice->rx_errors, ipdevice->tx_errors,
 450                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 451 }
 452
 453 void __connman_ipconfig_newlink(int index, unsigned short type,
 454                                 unsigned int flags, const char *address,
 455                                                         unsigned short mtu,
 456                                                 struct rtnl_link_stats *stats)
 457 {
 458         struct connman_ipdevice *ipdevice;
 459         GList *list;
 460         GString *str;
 461         gboolean up = FALSE, down = FALSE;
 462         gboolean lower_up = FALSE, lower_down = FALSE;
 463
 464         DBG("index %d", index);
 465
 466         if (type == ARPHRD_LOOPBACK)
 467                 return;
 468
 469         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 470         if (ipdevice != NULL) {
 471                 char *ifname = connman_inet_ifname(index);
 472                 if (g_strcmp0(ipdevice->ifname, ifname) != 0) {
 473                         DBG("interface name changed %s -> %s",
 474                                 ipdevice->ifname, ifname);
 475
 476                         g_free(ipdevice->ifname);
 477                         ipdevice->ifname = ifname;
 478                 } else
 479                         g_free(ifname);
 480
 481                 goto update;
 482         }
 483
 484         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 485         if (ipdevice == NULL)
 486                 return;
 487
 488         ipdevice->index = index;
 489         ipdevice->ifname = connman_inet_ifname(index);
 490         ipdevice->type = type;
 491
 492         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 493         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 494
 495         ipdevice->address = g_strdup(address);
 496
 497         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 498
 499         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 500                                                 index, type, type2str(type));
 501
 502 update:
 503         ipdevice->mtu = mtu;
 504
 505         update_stats(ipdevice, stats);
 506
 507         if (flags == ipdevice->flags)
 508                 return;
 509
 510         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 511                 if (flags & IFF_UP)
 512                         up = TRUE;
 513                 else
 514                         down = TRUE;
 515         }
 516
 517         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 518                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 519                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 520                                         (IFF_RUNNING | IFF_LOWER_UP))
 521                         lower_up = TRUE;
 522                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 523                         lower_down = TRUE;
 524         }
 525
 526         ipdevice->flags = flags;
 527
 528         str = g_string_new(NULL);
 529         if (str == NULL)
 530                 return;
 531
 532         if (flags & IFF_UP)
 533                 g_string_append(str, "UP");
 534         else
 535                 g_string_append(str, "DOWN");
 536
 537         if (flags & IFF_RUNNING)
 538                 g_string_append(str, ",RUNNING");
 539
 540         if (flags & IFF_LOWER_UP)
 541                 g_string_append(str, ",LOWER_UP");
 542
 543         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 544                                                         flags, str->str);
 545
 546         g_string_free(str, TRUE);
 547
 548         for (list = g_list_first(ipconfig_list); list;
 549                                                 list = g_list_next(list)) {
 550                 struct connman_ipconfig *ipconfig = list->data;
 551
 552                 if (index != ipconfig->index)
 553                         continue;
 554
 555                 if (ipconfig->ops == NULL)
 556                         continue;
 557
 558                 if (up == TRUE && ipconfig->ops->up)
 559                         ipconfig->ops->up(ipconfig);
 560                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 561                         ipconfig->ops->lower_up(ipconfig);
 562
 563                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 564                         ipconfig->ops->lower_down(ipconfig);
 565                 if (down == TRUE && ipconfig->ops->down)
 566                         ipconfig->ops->down(ipconfig);
 567         }
 568
 569         if (lower_up)
 570                 __connman_ipconfig_lower_up(ipdevice);
 571         if (lower_down)
 572                 __connman_ipconfig_lower_down(ipdevice);
 573 }
 574
 575 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 576 {
 577         struct connman_ipdevice *ipdevice;
 578         GList *list;
 579
 580         DBG("index %d", index);
 581
 582         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 583         if (ipdevice == NULL)
 584                 return;
 585
 586         update_stats(ipdevice, stats);
 587
 588         for (list = g_list_first(ipconfig_list); list;
 589                                                 list = g_list_next(list)) {
 590                 struct connman_ipconfig *ipconfig = list->data;
 591
 592                 if (index != ipconfig->index)
 593                         continue;
 594
 595                 ipconfig->index = -1;
 596
 597                 if (ipconfig->ops == NULL)
 598                         continue;
 599
 600                 if (ipconfig->ops->lower_down)
 601                         ipconfig->ops->lower_down(ipconfig);
 602                 if (ipconfig->ops->down)
 603                         ipconfig->ops->down(ipconfig);
 604         }
 605
 606         __connman_ipconfig_lower_down(ipdevice);
 607
 608         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 609 }
 610
 611 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 612 {
 613         const struct connman_ipaddress *addr1 = a;
 614         const struct connman_ipaddress *addr2 = b;
 615
 616         if (addr1->prefixlen != addr2->prefixlen)
 617                 return addr2->prefixlen - addr1->prefixlen;
 618
 619         return g_strcmp0(addr1->local, addr2->local);
 620 }
 621
 622 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 623                                 unsigned char prefixlen, const char *address)
 624 {
 625         struct connman_ipdevice *ipdevice;
 626         struct connman_ipaddress *ipaddress;
 627         enum connman_ipconfig_type type;
 628         GList *list;
 629
 630         DBG("index %d", index);
 631
 632         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 633         if (ipdevice == NULL)
 634                 return;
 635
 636         ipaddress = connman_ipaddress_alloc(family);
 637         if (ipaddress == NULL)
 638                 return;
 639
 640         ipaddress->prefixlen = prefixlen;
 641         ipaddress->local = g_strdup(address);
 642
 643         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 644                                         check_duplicate_address)) {
 645                 connman_ipaddress_free(ipaddress);
 646                 return;
 647         }
 648
 649         if (family == AF_INET)
 650                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 651         else if (family == AF_INET6)
 652                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 653         else
 654                 return;
 655
 656         ipdevice->address_list = g_slist_prepend(ipdevice->address_list,
 657                                                                 ipaddress);
 658
 659         connman_info("%s {add} address %s/%u label %s family %d",
 660                 ipdevice->ifname, address, prefixlen, label, family);
 661
 662         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 663                 __connman_ippool_newaddr(index, address, prefixlen);
 664
 665         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 666                 connman_ipaddress_copy_address(ipdevice->config_ipv4->system,
 667                                         ipaddress);
 668
 669         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 670                 connman_ipaddress_copy_address(ipdevice->config_ipv6->system,
 671                                         ipaddress);
 672         else
 673                 return;
 674
 675         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 676                 return;
 677
 678         for (list = g_list_first(ipconfig_list); list;
 679                                                 list = g_list_next(list)) {
 680                 struct connman_ipconfig *ipconfig = list->data;
 681
 682                 if (index != ipconfig->index)
 683                         continue;
 684
 685                 if (type != ipconfig->type)
 686                         continue;
 687
 688                 if (ipconfig->ops == NULL)
 689                         continue;
 690
 691                 if (ipconfig->ops->ip_bound)
 692                         ipconfig->ops->ip_bound(ipconfig);
 693         }
 694 }
 695
 696 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 697                                 unsigned char prefixlen, const char *address)
 698 {
 699         struct connman_ipdevice *ipdevice;
 700         struct connman_ipaddress *ipaddress;
 701         enum connman_ipconfig_type type;
 702         GList *list;
 703
 704         DBG("index %d", index);
 705
 706         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 707         if (ipdevice == NULL)
 708                 return;
 709
 710         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 711         if (ipaddress == NULL)
 712                 return;
 713
 714         if (family == AF_INET)
 715                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 716         else if (family == AF_INET6)
 717                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 718         else
 719                 return;
 720
 721         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 722                                                                 ipaddress);
 723
 724         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 725                 __connman_ippool_deladdr(index, address, prefixlen);
 726
 727         connman_ipaddress_clear(ipaddress);
 728         g_free(ipaddress);
 729
 730         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 731                                                 address, prefixlen, label);
 732
 733         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 734                 return;
 735
 736         if (g_slist_length(ipdevice->address_list) > 0)
 737                 return;
 738
 739         for (list = g_list_first(ipconfig_list); list;
 740                                                 list = g_list_next(list)) {
 741                 struct connman_ipconfig *ipconfig = list->data;
 742
 743                 if (index != ipconfig->index)
 744                         continue;
 745
 746                 if (type != ipconfig->type)
 747                         continue;
 748
 749                 if (ipconfig->ops == NULL)
 750                         continue;
 751
 752                 if (ipconfig->ops->ip_release)
 753                         ipconfig->ops->ip_release(ipconfig);
 754         }
 755 }
 756
 757 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 758                                         const char *dst, const char *gateway)
 759 {
 760         struct connman_ipdevice *ipdevice;
 761
 762         DBG("index %d", index);
 763
 764         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 765         if (ipdevice == NULL)
 766                 return;
 767
 768         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 769                                                 g_strcmp0(dst, "::") == 0)) {
 770                 GList *config_list;
 771                 enum connman_ipconfig_type type;
 772
 773                 if (family == AF_INET6) {
 774                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 775                         g_free(ipdevice->ipv6_gateway);
 776                         ipdevice->ipv6_gateway = g_strdup(gateway);
 777
 778                         if (ipdevice->config_ipv6 != NULL &&
 779                                 ipdevice->config_ipv6->system != NULL) {
 780                                 g_free(ipdevice->config_ipv6->system->gateway);
 781                                 ipdevice->config_ipv6->system->gateway =
 782                                         g_strdup(gateway);
 783                         }
 784                 } else if (family == AF_INET) {
 785                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 786                         g_free(ipdevice->ipv4_gateway);
 787                         ipdevice->ipv4_gateway = g_strdup(gateway);
 788
 789                         if (ipdevice->config_ipv4 != NULL &&
 790                                 ipdevice->config_ipv4->system != NULL) {
 791                                 g_free(ipdevice->config_ipv4->system->gateway);
 792                                 ipdevice->config_ipv4->system->gateway =
 793                                         g_strdup(gateway);
 794                         }
 795                 } else
 796                         return;
 797
 798                 for (config_list = g_list_first(ipconfig_list); config_list;
 799                                         config_list = g_list_next(config_list)) {
 800                         struct connman_ipconfig *ipconfig = config_list->data;
 801
 802                         if (index != ipconfig->index)
 803                                 continue;
 804
 805                         if (type != ipconfig->type)
 806                                 continue;
 807
 808                         if (ipconfig->ops == NULL)
 809                                 continue;
 810
 811                         if (ipconfig->ops->route_set)
 812                                 ipconfig->ops->route_set(ipconfig);
 813                 }
 814         }
 815
 816         connman_info("%s {add} route %s gw %s scope %u <%s>",
 817                                         ipdevice->ifname, dst, gateway,
 818                                                 scope, scope2str(scope));
 819 }
 820
 821 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 822                                         const char *dst, const char *gateway)
 823 {
 824         struct connman_ipdevice *ipdevice;
 825
 826         DBG("index %d", index);
 827
 828         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 829         if (ipdevice == NULL)
 830                 return;
 831
 832         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 833                                                 g_strcmp0(dst, "::") == 0)) {
 834                 GList *config_list;
 835                 enum connman_ipconfig_type type;
 836
 837                 if (family == AF_INET6) {
 838                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 839                         g_free(ipdevice->ipv6_gateway);
 840                         ipdevice->ipv6_gateway = NULL;
 841
 842                         if (ipdevice->config_ipv6 != NULL &&
 843                                 ipdevice->config_ipv6->system != NULL) {
 844                                 g_free(ipdevice->config_ipv6->system->gateway);
 845                                 ipdevice->config_ipv6->system->gateway = NULL;
 846                         }
 847                 } else if (family == AF_INET) {
 848                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 849                         g_free(ipdevice->ipv4_gateway);
 850                         ipdevice->ipv4_gateway = NULL;
 851
 852                         if (ipdevice->config_ipv4 != NULL &&
 853                                 ipdevice->config_ipv4->system != NULL) {
 854                                 g_free(ipdevice->config_ipv4->system->gateway);
 855                                 ipdevice->config_ipv4->system->gateway = NULL;
 856                         }
 857                 } else
 858                         return;
 859
 860                 for (config_list = g_list_first(ipconfig_list); config_list;
 861                                         config_list = g_list_next(config_list)) {
 862                         struct connman_ipconfig *ipconfig = config_list->data;
 863
 864                         if (index != ipconfig->index)
 865                                 continue;
 866
 867                         if (type != ipconfig->type)
 868                                 continue;
 869
 870                         if (ipconfig->ops == NULL)
 871                                 continue;
 872
 873                         if (ipconfig->ops->route_unset)
 874                                 ipconfig->ops->route_unset(ipconfig);
 875                 }
 876         }
 877
 878         connman_info("%s {del} route %s gw %s scope %u <%s>",
 879                                         ipdevice->ifname, dst, gateway,
 880                                                 scope, scope2str(scope));
 881 }
 882
 883 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 884                                                         void *user_data)
 885 {
 886         GList *list, *keys;
 887
 888         keys = g_hash_table_get_keys(ipdevice_hash);
 889         if (keys == NULL)
 890                 return;
 891
 892         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 893                 int index = GPOINTER_TO_INT(list->data);
 894
 895                 function(index, user_data);
 896         }
 897
 898         g_list_free(keys);
 899 }
 900
 901 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
 902                                         struct connman_ipconfig *ipconfig)
 903 {
 904         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
 905 }
 906
 907 unsigned short __connman_ipconfig_get_type_from_index(int index)
 908 {
 909         struct connman_ipdevice *ipdevice;
 910
 911         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 912         if (ipdevice == NULL)
 913                 return ARPHRD_VOID;
 914
 915         return ipdevice->type;
 916 }
 917
 918 unsigned int __connman_ipconfig_get_flags_from_index(int index)
 919 {
 920         struct connman_ipdevice *ipdevice;
 921
 922         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 923         if (ipdevice == NULL)
 924                 return 0;
 925
 926         return ipdevice->flags;
 927 }
 928
 929 const char *__connman_ipconfig_get_gateway_from_index(int index,
 930         enum connman_ipconfig_type type)
 931 {
 932         struct connman_ipdevice *ipdevice;
 933
 934         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 935         if (ipdevice == NULL)
 936                 return NULL;
 937
 938         if (type != CONNMAN_IPCONFIG_TYPE_IPV6) {
 939                 if (ipdevice->ipv4_gateway != NULL)
 940                         return ipdevice->ipv4_gateway;
 941
 942                 if (ipdevice->config_ipv4 != NULL &&
 943                                 ipdevice->config_ipv4->address != NULL)
 944                         return ipdevice->config_ipv4->address->gateway;
 945         }
 946
 947         if (type != CONNMAN_IPCONFIG_TYPE_IPV4) {
 948                 if (ipdevice->ipv6_gateway != NULL)
 949                         return ipdevice->ipv6_gateway;
 950
 951                 if (ipdevice->config_ipv6 != NULL &&
 952                                 ipdevice->config_ipv6->address != NULL)
 953                         return ipdevice->config_ipv6->address->gateway;
 954         }
 955
 956         return NULL;
 957 }
 958
 959 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 960 {
 961         ipconfig->index = index;
 962 }
 963
 964 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 965 {
 966         if (ipconfig->address == NULL)
 967                 return NULL;
 968
 969         return ipconfig->address->local;
 970 }
 971
 972 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
 973 {
 974         if (ipconfig->address == NULL)
 975                 return;
 976
 977         g_free(ipconfig->address->local);
 978         ipconfig->address->local = g_strdup(address);
 979 }
 980
 981 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
 982 {
 983         if (ipconfig->address == NULL)
 984                 return NULL;
 985
 986         return ipconfig->address->peer;
 987 }
 988
 989 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
 990 {
 991         if (ipconfig->address == NULL)
 992                 return;
 993
 994         g_free(ipconfig->address->peer);
 995         ipconfig->address->peer = g_strdup(address);
 996 }
 997
 998 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
 999 {
1000         if (ipconfig->address == NULL)
1001                 return NULL;
1002
1003         return ipconfig->address->broadcast;
1004 }
1005
1006 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1007 {
1008         if (ipconfig->address == NULL)
1009                 return;
1010
1011         g_free(ipconfig->address->broadcast);
1012         ipconfig->address->broadcast = g_strdup(broadcast);
1013 }
1014
1015 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1016 {
1017         if (ipconfig->address == NULL)
1018                 return NULL;
1019
1020         return ipconfig->address->gateway;
1021 }
1022
1023 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1024 {
1025         DBG("");
1026
1027         if (ipconfig->address == NULL)
1028                 return;
1029         g_free(ipconfig->address->gateway);
1030         ipconfig->address->gateway = g_strdup(gateway);
1031 }
1032
1033 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1034 {
1035         struct connman_service *service;
1036
1037         DBG("");
1038
1039         if (ipconfig->address == NULL)
1040                 return -EINVAL;
1041
1042         service = __connman_service_lookup_from_index(ipconfig->index);
1043         if (service == NULL)
1044                 return -EINVAL;
1045
1046         __connman_connection_gateway_remove(service, ipconfig->type);
1047
1048         DBG("type %d gw %s peer %s", ipconfig->type,
1049                 ipconfig->address->gateway, ipconfig->address->peer);
1050
1051         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1052                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1053                 return __connman_connection_gateway_add(service,
1054                                                 ipconfig->address->gateway,
1055                                                 ipconfig->type,
1056                                                 ipconfig->address->peer);
1057
1058         return 0;
1059 }
1060
1061 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1062 {
1063         struct connman_service *service;
1064
1065         DBG("");
1066
1067         service = __connman_service_lookup_from_index(ipconfig->index);
1068         if (service != NULL)
1069                 __connman_connection_gateway_remove(service, ipconfig->type);
1070 }
1071
1072 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1073 {
1074         if (ipconfig->address == NULL)
1075                 return 0;
1076
1077         return ipconfig->address->prefixlen;
1078 }
1079
1080 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1081 {
1082         if (ipconfig->address == NULL)
1083                 return;
1084
1085         ipconfig->address->prefixlen = prefixlen;
1086 }
1087
1088 static struct connman_ipconfig *create_ipv6config(int index)
1089 {
1090         struct connman_ipconfig *ipv6config;
1091         struct connman_ipdevice *ipdevice;
1092
1093         DBG("index %d", index);
1094
1095         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1096         if (ipv6config == NULL)
1097                 return NULL;
1098
1099         ipv6config->refcount = 1;
1100
1101         ipv6config->index = index;
1102         ipv6config->enabled = FALSE;
1103         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1104
1105         if (is_ipv6_supported == FALSE)
1106                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
1107         else
1108                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1109
1110         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1111         if (ipdevice != NULL)
1112                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy;
1113
1114         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1115         if (ipv6config->address == NULL) {
1116                 g_free(ipv6config);
1117                 return NULL;
1118         }
1119
1120         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1121
1122         DBG("ipconfig %p method %s", ipv6config,
1123                 __connman_ipconfig_method2string(ipv6config->method));
1124
1125         return ipv6config;
1126 }
1127
1128 /**
1129  * connman_ipconfig_create:
1130  *
1131  * Allocate a new ipconfig structure.
1132  *
1133  * Returns: a newly-allocated #connman_ipconfig structure
1134  */
1135 struct connman_ipconfig *__connman_ipconfig_create(int index,
1136                                         enum connman_ipconfig_type type)
1137 {
1138         struct connman_ipconfig *ipconfig;
1139
1140         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1141                 return create_ipv6config(index);
1142
1143         DBG("index %d", index);
1144
1145         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1146         if (ipconfig == NULL)
1147                 return NULL;
1148
1149         ipconfig->refcount = 1;
1150
1151         ipconfig->index = index;
1152         ipconfig->enabled = FALSE;
1153         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1154
1155         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1156         if (ipconfig->address == NULL) {
1157                 g_free(ipconfig);
1158                 return NULL;
1159         }
1160
1161         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1162
1163         DBG("ipconfig %p", ipconfig);
1164
1165         return ipconfig;
1166 }
1167
1168
1169 /**
1170  * connman_ipconfig_ref:
1171  * @ipconfig: ipconfig structure
1172  *
1173  * Increase reference counter of ipconfig
1174  */
1175 struct connman_ipconfig *
1176 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1177                                 const char *file, int line, const char *caller)
1178 {
1179         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1180                 file, line, caller);
1181
1182         __sync_fetch_and_add(&ipconfig->refcount, 1);
1183
1184         return ipconfig;
1185 }
1186
1187 /**
1188  * connman_ipconfig_unref:
1189  * @ipconfig: ipconfig structure
1190  *
1191  * Decrease reference counter of ipconfig
1192  */
1193 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1194                                 const char *file, int line, const char *caller)
1195 {
1196         if (ipconfig == NULL)
1197                 return;
1198
1199         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1200                 file, line, caller);
1201
1202         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1203                 return;
1204
1205         if (__connman_ipconfig_disable(ipconfig) < 0)
1206                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1207
1208         __connman_ipconfig_set_ops(ipconfig, NULL);
1209
1210         if (ipconfig->origin != NULL && ipconfig->origin != ipconfig) {
1211                 __connman_ipconfig_unref(ipconfig->origin);
1212                 ipconfig->origin = NULL;
1213         }
1214
1215         connman_ipaddress_free(ipconfig->system);
1216         connman_ipaddress_free(ipconfig->address);
1217         g_free(ipconfig->last_dhcp_address);
1218         g_free(ipconfig);
1219 }
1220
1221 /**
1222  * connman_ipconfig_get_data:
1223  * @ipconfig: ipconfig structure
1224  *
1225  * Get private data pointer
1226  */
1227 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1228 {
1229         if (ipconfig == NULL)
1230                 return NULL;
1231
1232         return ipconfig->ops_data;
1233 }
1234
1235 /**
1236  * connman_ipconfig_set_data:
1237  * @ipconfig: ipconfig structure
1238  * @data: data pointer
1239  *
1240  * Set private data pointer
1241  */
1242 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1243 {
1244         ipconfig->ops_data = data;
1245 }
1246
1247 /**
1248  * connman_ipconfig_get_index:
1249  * @ipconfig: ipconfig structure
1250  *
1251  * Get interface index
1252  */
1253 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1254 {
1255         if (ipconfig == NULL)
1256                 return -1;
1257
1258         if (ipconfig->origin != NULL)
1259                 return ipconfig->origin->index;
1260
1261         return ipconfig->index;
1262 }
1263
1264 /**
1265  * connman_ipconfig_get_ifname:
1266  * @ipconfig: ipconfig structure
1267  *
1268  * Get interface name
1269  */
1270 const char *__connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1271 {
1272         struct connman_ipdevice *ipdevice;
1273
1274         if (ipconfig == NULL)
1275                 return NULL;
1276
1277         if (ipconfig->index < 0)
1278                 return NULL;
1279
1280         ipdevice = g_hash_table_lookup(ipdevice_hash,
1281                                         GINT_TO_POINTER(ipconfig->index));
1282         if (ipdevice == NULL)
1283                 return NULL;
1284
1285         return ipdevice->ifname;
1286 }
1287
1288 /**
1289  * connman_ipconfig_set_ops:
1290  * @ipconfig: ipconfig structure
1291  * @ops: operation callbacks
1292  *
1293  * Set the operation callbacks
1294  */
1295 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1296                                 const struct connman_ipconfig_ops *ops)
1297 {
1298         ipconfig->ops = ops;
1299 }
1300
1301 /**
1302  * connman_ipconfig_set_method:
1303  * @ipconfig: ipconfig structure
1304  * @method: configuration method
1305  *
1306  * Set the configuration method
1307  */
1308 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1309                                         enum connman_ipconfig_method method)
1310 {
1311         ipconfig->method = method;
1312
1313         return 0;
1314 }
1315
1316 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1317 {
1318         if (ipconfig == NULL)
1319                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1320
1321         return ipconfig->method;
1322 }
1323
1324 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1325 {
1326         DBG("");
1327
1328         switch (ipconfig->method) {
1329         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1330         case CONNMAN_IPCONFIG_METHOD_OFF:
1331                 break;
1332         case CONNMAN_IPCONFIG_METHOD_AUTO:
1333         case CONNMAN_IPCONFIG_METHOD_FIXED:
1334         case CONNMAN_IPCONFIG_METHOD_DHCP:
1335         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1336                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1337                         return connman_inet_set_address(ipconfig->index,
1338                                                         ipconfig->address);
1339                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1340                         return connman_inet_set_ipv6_address(
1341                                         ipconfig->index, ipconfig->address);
1342         }
1343
1344         return 0;
1345 }
1346
1347 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1348 {
1349         int err;
1350
1351         DBG("");
1352
1353         if (ipconfig == NULL)
1354                 return 0;
1355
1356         DBG("method %d", ipconfig->method);
1357
1358         switch (ipconfig->method) {
1359         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1360         case CONNMAN_IPCONFIG_METHOD_OFF:
1361                 break;
1362         case CONNMAN_IPCONFIG_METHOD_AUTO:
1363         case CONNMAN_IPCONFIG_METHOD_FIXED:
1364         case CONNMAN_IPCONFIG_METHOD_DHCP:
1365         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1366                 err = __connman_ipconfig_address_unset(ipconfig);
1367                 connman_ipaddress_clear(ipconfig->address);
1368
1369                 return err;
1370         }
1371
1372         return 0;
1373 }
1374
1375 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1376 {
1377         int err;
1378
1379         DBG("");
1380
1381         if (ipconfig == NULL)
1382                 return 0;
1383
1384         DBG("method %d", ipconfig->method);
1385
1386         switch (ipconfig->method) {
1387         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1388         case CONNMAN_IPCONFIG_METHOD_OFF:
1389                 break;
1390         case CONNMAN_IPCONFIG_METHOD_AUTO:
1391         case CONNMAN_IPCONFIG_METHOD_FIXED:
1392         case CONNMAN_IPCONFIG_METHOD_DHCP:
1393         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1394                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1395                         err = connman_inet_clear_address(ipconfig->index,
1396                                                         ipconfig->address);
1397                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1398                         err = connman_inet_clear_ipv6_address(
1399                                                 ipconfig->index,
1400                                                 ipconfig->address->local,
1401                                                 ipconfig->address->prefixlen);
1402                 else
1403                         err = -EINVAL;
1404
1405                 return err;
1406         }
1407
1408         return 0;
1409 }
1410
1411 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1412                                                         const char *url)
1413 {
1414         struct connman_ipdevice *ipdevice;
1415
1416         DBG("ipconfig %p", ipconfig);
1417
1418         if (ipconfig == NULL || ipconfig->index < 0)
1419                 return -ENODEV;
1420
1421         ipdevice = g_hash_table_lookup(ipdevice_hash,
1422                                         GINT_TO_POINTER(ipconfig->index));
1423         if (ipdevice == NULL)
1424                 return -ENXIO;
1425
1426         g_free(ipdevice->pac);
1427         ipdevice->pac = g_strdup(url);
1428
1429         return 0;
1430 }
1431
1432 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1433 {
1434         struct connman_ipdevice *ipdevice;
1435
1436         DBG("ipconfig %p", ipconfig);
1437
1438         if (ipconfig == NULL || ipconfig->index < 0)
1439                 return NULL;
1440
1441         ipdevice = g_hash_table_lookup(ipdevice_hash,
1442                                         GINT_TO_POINTER(ipconfig->index));
1443         if (ipdevice == NULL)
1444                 return NULL;
1445
1446         return ipdevice->pac;
1447 }
1448
1449 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1450                                         const char *address)
1451 {
1452         if (ipconfig == NULL)
1453                 return;
1454
1455         g_free(ipconfig->last_dhcp_address);
1456         ipconfig->last_dhcp_address = g_strdup(address);
1457 }
1458
1459 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1460 {
1461         if (ipconfig == NULL)
1462                 return NULL;
1463
1464         return ipconfig->last_dhcp_address;
1465 }
1466
1467 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1468 {
1469         struct connman_ipdevice *ipdevice;
1470
1471         DBG("");
1472
1473         ipdevice = g_hash_table_lookup(ipdevice_hash,
1474                                         GINT_TO_POINTER(ipconfig->index));
1475         if (ipdevice == NULL)
1476                 return;
1477
1478         set_ipv6_state(ipdevice->ifname, FALSE);
1479 }
1480
1481 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1482 {
1483         struct connman_ipdevice *ipdevice;
1484
1485         DBG("");
1486
1487         ipdevice = g_hash_table_lookup(ipdevice_hash,
1488                                         GINT_TO_POINTER(ipconfig->index));
1489         if (ipdevice == NULL)
1490                 return;
1491
1492         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1493                 set_ipv6_privacy(ipdevice->ifname,
1494                                 ipconfig->ipv6_privacy_config);
1495
1496         set_ipv6_state(ipdevice->ifname, TRUE);
1497 }
1498
1499 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1500 {
1501         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1502                 return;
1503
1504         enable_ipv6(ipconfig);
1505 }
1506
1507 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1508 {
1509         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1510                 return;
1511
1512         disable_ipv6(ipconfig);
1513 }
1514
1515 connman_bool_t __connman_ipconfig_is_usable(struct connman_ipconfig *ipconfig)
1516 {
1517         if (ipconfig == NULL)
1518                 return FALSE;
1519
1520         switch (ipconfig->method) {
1521         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1522         case CONNMAN_IPCONFIG_METHOD_OFF:
1523                 return FALSE;
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                 break;
1529         }
1530
1531         return TRUE;
1532 }
1533
1534 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1535 {
1536         struct connman_ipdevice *ipdevice;
1537         gboolean up = FALSE, down = FALSE;
1538         gboolean lower_up = FALSE, lower_down = FALSE;
1539         enum connman_ipconfig_type type;
1540
1541         DBG("ipconfig %p", ipconfig);
1542
1543         if (ipconfig == NULL || ipconfig->index < 0)
1544                 return -ENODEV;
1545
1546         ipdevice = g_hash_table_lookup(ipdevice_hash,
1547                                         GINT_TO_POINTER(ipconfig->index));
1548         if (ipdevice == NULL)
1549                 return -ENXIO;
1550
1551         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1552                 if (ipdevice->config_ipv4 == ipconfig)
1553                         return -EALREADY;
1554                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1555         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1556                 if (ipdevice->config_ipv6 == ipconfig)
1557                         return -EALREADY;
1558                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1559         } else
1560                 return -EINVAL;
1561
1562         ipconfig->enabled = TRUE;
1563
1564         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1565                                         ipdevice->config_ipv4 != NULL) {
1566                 ipconfig_list = g_list_remove(ipconfig_list,
1567                                                         ipdevice->config_ipv4);
1568
1569                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1570
1571                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1572         }
1573
1574         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1575                                         ipdevice->config_ipv6 != NULL) {
1576                 ipconfig_list = g_list_remove(ipconfig_list,
1577                                                         ipdevice->config_ipv6);
1578
1579                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1580
1581                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1582         }
1583
1584         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1585                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1586         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1587                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1588
1589                 enable_ipv6(ipdevice->config_ipv6);
1590         }
1591         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1592
1593         if (ipdevice->flags & IFF_UP)
1594                 up = TRUE;
1595         else
1596                 down = TRUE;
1597
1598         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1599                         (IFF_RUNNING | IFF_LOWER_UP))
1600                 lower_up = TRUE;
1601         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1602                 lower_down = TRUE;
1603
1604         if (up == TRUE && ipconfig->ops->up)
1605                 ipconfig->ops->up(ipconfig);
1606         if (lower_up == TRUE && ipconfig->ops->lower_up)
1607                 ipconfig->ops->lower_up(ipconfig);
1608
1609         if (lower_down == TRUE && ipconfig->ops->lower_down)
1610                 ipconfig->ops->lower_down(ipconfig);
1611         if (down == TRUE && ipconfig->ops->down)
1612                 ipconfig->ops->down(ipconfig);
1613
1614         return 0;
1615 }
1616
1617 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1618 {
1619         struct connman_ipdevice *ipdevice;
1620
1621         DBG("ipconfig %p", ipconfig);
1622
1623         if (ipconfig == NULL || ipconfig->index < 0)
1624                 return -ENODEV;
1625
1626         ipdevice = g_hash_table_lookup(ipdevice_hash,
1627                                         GINT_TO_POINTER(ipconfig->index));
1628         if (ipdevice == NULL)
1629                 return -ENXIO;
1630
1631         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1632                 return -EINVAL;
1633
1634         ipconfig->enabled = FALSE;
1635
1636         if (ipdevice->config_ipv4 == ipconfig) {
1637                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1638
1639                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1640                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1641                 ipdevice->config_ipv4 = NULL;
1642                 return 0;
1643         }
1644
1645         if (ipdevice->config_ipv6 == ipconfig) {
1646                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1647
1648                 if (ipdevice->config_ipv6->method ==
1649                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1650                         disable_ipv6(ipdevice->config_ipv6);
1651
1652                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1653                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1654                 ipdevice->config_ipv6 = NULL;
1655                 return 0;
1656         }
1657
1658         return -EINVAL;
1659 }
1660
1661 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1662 {
1663         switch (method) {
1664         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1665                 break;
1666         case CONNMAN_IPCONFIG_METHOD_OFF:
1667                 return "off";
1668         case CONNMAN_IPCONFIG_METHOD_FIXED:
1669                 return "fixed";
1670         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1671                 return "manual";
1672         case CONNMAN_IPCONFIG_METHOD_DHCP:
1673                 return "dhcp";
1674         case CONNMAN_IPCONFIG_METHOD_AUTO:
1675                 return "auto";
1676         }
1677
1678         return NULL;
1679 }
1680
1681 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1682 {
1683         if (g_strcmp0(method, "off") == 0)
1684                 return CONNMAN_IPCONFIG_METHOD_OFF;
1685         else if (g_strcmp0(method, "fixed") == 0)
1686                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1687         else if (g_strcmp0(method, "manual") == 0)
1688                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1689         else if (g_strcmp0(method, "dhcp") == 0)
1690                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1691         else if (g_strcmp0(method, "auto") == 0)
1692                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1693         else
1694                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1695 }
1696
1697 static const char *privacy2string(int privacy)
1698 {
1699         if (privacy <= 0)
1700                 return "disabled";
1701         else if (privacy == 1)
1702                 return "enabled";
1703         else if (privacy > 1)
1704                 return "prefered";
1705
1706         return "disabled";
1707 }
1708
1709 static int string2privacy(const char *privacy)
1710 {
1711         if (g_strcmp0(privacy, "disabled") == 0)
1712                 return 0;
1713         else if (g_strcmp0(privacy, "enabled") == 0)
1714                 return 1;
1715         else if (g_strcmp0(privacy, "prefered") == 0)
1716                 return 2;
1717         else
1718                 return 0;
1719 }
1720
1721 int __connman_ipconfig_ipv6_set_privacy(struct connman_ipconfig *ipconfig,
1722                                         const char *value)
1723 {
1724         int privacy;
1725
1726         if (ipconfig == NULL)
1727                 return -EINVAL;
1728
1729         DBG("ipconfig %p privacy %s", ipconfig, value);
1730
1731         privacy = string2privacy(value);
1732
1733         ipconfig->ipv6_privacy_config = privacy;
1734
1735         enable_ipv6(ipconfig);
1736
1737         return 0;
1738 }
1739
1740 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1741                                                         DBusMessageIter *iter)
1742 {
1743         struct connman_ipaddress *append_addr = NULL;
1744         const char *str;
1745
1746         DBG("");
1747
1748         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1749                 return;
1750
1751         str = __connman_ipconfig_method2string(ipconfig->method);
1752         if (str == NULL)
1753                 return;
1754
1755         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1756
1757         switch (ipconfig->method) {
1758         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1759         case CONNMAN_IPCONFIG_METHOD_OFF:
1760         case CONNMAN_IPCONFIG_METHOD_AUTO:
1761                 return;
1762
1763         case CONNMAN_IPCONFIG_METHOD_FIXED:
1764                 append_addr = ipconfig->address;
1765                 break;
1766
1767         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1768         case CONNMAN_IPCONFIG_METHOD_DHCP:
1769                 append_addr = ipconfig->system;
1770                 break;
1771         }
1772
1773         if (append_addr == NULL)
1774                 return;
1775
1776         if (append_addr->local != NULL) {
1777                 in_addr_t addr;
1778                 struct in_addr netmask;
1779                 char *mask;
1780
1781                 connman_dbus_dict_append_basic(iter, "Address",
1782                                 DBUS_TYPE_STRING, &append_addr->local);
1783
1784                 addr = 0xffffffff << (32 - append_addr->prefixlen);
1785                 netmask.s_addr = htonl(addr);
1786                 mask = inet_ntoa(netmask);
1787                 connman_dbus_dict_append_basic(iter, "Netmask",
1788                                                 DBUS_TYPE_STRING, &mask);
1789         }
1790
1791         if (append_addr->gateway != NULL)
1792                 connman_dbus_dict_append_basic(iter, "Gateway",
1793                                 DBUS_TYPE_STRING, &append_addr->gateway);
1794 }
1795
1796 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1797                                         DBusMessageIter *iter,
1798                                         struct connman_ipconfig *ipconfig_ipv4)
1799 {
1800         struct connman_ipaddress *append_addr = NULL;
1801         const char *str, *privacy;
1802
1803         DBG("");
1804
1805         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1806                 return;
1807
1808         str = __connman_ipconfig_method2string(ipconfig->method);
1809         if (str == NULL)
1810                 return;
1811
1812         if (ipconfig_ipv4 != NULL &&
1813                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1814                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1815                         str = "6to4";
1816         }
1817
1818         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1819
1820         switch (ipconfig->method) {
1821         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1822         case CONNMAN_IPCONFIG_METHOD_OFF:
1823                 return;
1824
1825         case CONNMAN_IPCONFIG_METHOD_FIXED:
1826                 append_addr = ipconfig->address;
1827                 break;
1828
1829         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1830         case CONNMAN_IPCONFIG_METHOD_DHCP:
1831         case CONNMAN_IPCONFIG_METHOD_AUTO:
1832                 append_addr = ipconfig->system;
1833                 break;
1834         }
1835
1836         if (append_addr == NULL)
1837                 return;
1838
1839         if (append_addr->local != NULL) {
1840                 connman_dbus_dict_append_basic(iter, "Address",
1841                                 DBUS_TYPE_STRING, &append_addr->local);
1842                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1843                                                 DBUS_TYPE_BYTE,
1844                                                 &append_addr->prefixlen);
1845         }
1846
1847         if (append_addr->gateway != NULL)
1848                 connman_dbus_dict_append_basic(iter, "Gateway",
1849                                 DBUS_TYPE_STRING, &append_addr->gateway);
1850
1851         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1852         connman_dbus_dict_append_basic(iter, "Privacy",
1853                                 DBUS_TYPE_STRING, &privacy);
1854 }
1855
1856 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1857                                                         DBusMessageIter *iter)
1858 {
1859         const char *str, *privacy;
1860
1861         DBG("");
1862
1863         str = __connman_ipconfig_method2string(ipconfig->method);
1864         if (str == NULL)
1865                 return;
1866
1867         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1868
1869         switch (ipconfig->method) {
1870         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1871         case CONNMAN_IPCONFIG_METHOD_OFF:
1872         case CONNMAN_IPCONFIG_METHOD_DHCP:
1873                 return;
1874         case CONNMAN_IPCONFIG_METHOD_FIXED:
1875         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1876         case CONNMAN_IPCONFIG_METHOD_AUTO:
1877                 break;
1878         }
1879
1880         if (ipconfig->address == NULL)
1881                 return;
1882
1883         if (ipconfig->address->local != NULL) {
1884                 connman_dbus_dict_append_basic(iter, "Address",
1885                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1886                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1887                                                 DBUS_TYPE_BYTE,
1888                                                 &ipconfig->address->prefixlen);
1889         }
1890
1891         if (ipconfig->address->gateway != NULL)
1892                 connman_dbus_dict_append_basic(iter, "Gateway",
1893                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1894
1895         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1896         connman_dbus_dict_append_basic(iter, "Privacy",
1897                                 DBUS_TYPE_STRING, &privacy);
1898 }
1899
1900 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1901                                                         DBusMessageIter *iter)
1902 {
1903         const char *str;
1904
1905         DBG("");
1906
1907         str = __connman_ipconfig_method2string(ipconfig->method);
1908         if (str == NULL)
1909                 return;
1910
1911         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1912
1913         switch (ipconfig->method) {
1914         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1915         case CONNMAN_IPCONFIG_METHOD_OFF:
1916         case CONNMAN_IPCONFIG_METHOD_DHCP:
1917         case CONNMAN_IPCONFIG_METHOD_AUTO:
1918                 return;
1919         case CONNMAN_IPCONFIG_METHOD_FIXED:
1920         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1921                 break;
1922         }
1923
1924         if (ipconfig->address == NULL)
1925                 return;
1926
1927         if (ipconfig->address->local != NULL) {
1928                 in_addr_t addr;
1929                 struct in_addr netmask;
1930                 char *mask;
1931
1932                 connman_dbus_dict_append_basic(iter, "Address",
1933                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1934
1935                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1936                 netmask.s_addr = htonl(addr);
1937                 mask = inet_ntoa(netmask);
1938                 connman_dbus_dict_append_basic(iter, "Netmask",
1939                                                 DBUS_TYPE_STRING, &mask);
1940         }
1941
1942         if (ipconfig->address->gateway != NULL)
1943                 connman_dbus_dict_append_basic(iter, "Gateway",
1944                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1945 }
1946
1947 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1948                                                         DBusMessageIter *array)
1949 {
1950         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1951         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1952                 *privacy_string = NULL;
1953         int prefix_length = 0, privacy = 0;
1954         DBusMessageIter dict;
1955         int type = -1;
1956
1957         DBG("ipconfig %p", ipconfig);
1958
1959         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1960                 return -EINVAL;
1961
1962         dbus_message_iter_recurse(array, &dict);
1963
1964         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1965                 DBusMessageIter entry, value;
1966                 const char *key;
1967                 int type;
1968
1969                 dbus_message_iter_recurse(&dict, &entry);
1970
1971                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1972                         return -EINVAL;
1973
1974                 dbus_message_iter_get_basic(&entry, &key);
1975                 dbus_message_iter_next(&entry);
1976
1977                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
1978                         return -EINVAL;
1979
1980                 dbus_message_iter_recurse(&entry, &value);
1981
1982                 type = dbus_message_iter_get_arg_type(&value);
1983
1984                 if (g_str_equal(key, "Method") == TRUE) {
1985                         const char *str;
1986
1987                         if (type != DBUS_TYPE_STRING)
1988                                 return -EINVAL;
1989
1990                         dbus_message_iter_get_basic(&value, &str);
1991                         method = __connman_ipconfig_string2method(str);
1992                 } else if (g_str_equal(key, "Address") == TRUE) {
1993                         if (type != DBUS_TYPE_STRING)
1994                                 return -EINVAL;
1995
1996                         dbus_message_iter_get_basic(&value, &address);
1997                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1998                         if (type != DBUS_TYPE_BYTE)
1999                                 return -EINVAL;
2000
2001                         dbus_message_iter_get_basic(&value, &prefix_length);
2002
2003                         if (prefix_length < 0 || prefix_length > 128)
2004                                 return -EINVAL;
2005                 } else if (g_str_equal(key, "Netmask") == TRUE) {
2006                         if (type != DBUS_TYPE_STRING)
2007                                 return -EINVAL;
2008
2009                         dbus_message_iter_get_basic(&value, &netmask);
2010                 } else if (g_str_equal(key, "Gateway") == TRUE) {
2011                         if (type != DBUS_TYPE_STRING)
2012                                 return -EINVAL;
2013
2014                         dbus_message_iter_get_basic(&value, &gateway);
2015                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2016                         if (type != DBUS_TYPE_STRING)
2017                                 return -EINVAL;
2018
2019                         dbus_message_iter_get_basic(&value, &privacy_string);
2020                         privacy = string2privacy(privacy_string);
2021                 }
2022
2023                 dbus_message_iter_next(&dict);
2024         }
2025
2026         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2027                 "privacy %s",
2028                 method, address, netmask, gateway, prefix_length,
2029                 privacy_string);
2030
2031         switch (method) {
2032         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2033         case CONNMAN_IPCONFIG_METHOD_FIXED:
2034                 return -EINVAL;
2035
2036         case CONNMAN_IPCONFIG_METHOD_OFF:
2037                 ipconfig->method = method;
2038                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2039                         disable_ipv6(ipconfig);
2040                 break;
2041
2042         case CONNMAN_IPCONFIG_METHOD_AUTO:
2043                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2044                         return -EOPNOTSUPP;
2045
2046                 ipconfig->method = method;
2047                 if (privacy_string != NULL)
2048                         ipconfig->ipv6_privacy_config = privacy;
2049                 enable_ipv6(ipconfig);
2050                 break;
2051
2052         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2053                 switch (ipconfig->type) {
2054                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2055                         type = AF_INET;
2056                         break;
2057                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2058                         type = AF_INET6;
2059                         break;
2060                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2061                         type = -1;
2062                         break;
2063                 }
2064
2065                 if ((address != NULL && connman_inet_check_ipaddress(address)
2066                                                 != type) ||
2067                                 (netmask != NULL &&
2068                                 connman_inet_check_ipaddress(netmask)
2069                                                 != type) ||
2070                                 (gateway != NULL &&
2071                                 connman_inet_check_ipaddress(gateway)
2072                                                 != type))
2073                         return -EINVAL;
2074
2075                 ipconfig->method = method;
2076
2077                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2078                         connman_ipaddress_set_ipv4(ipconfig->address,
2079                                                 address, netmask, gateway);
2080                 else
2081                         return connman_ipaddress_set_ipv6(
2082                                         ipconfig->address, address,
2083                                                 prefix_length, gateway);
2084                 break;
2085
2086         case CONNMAN_IPCONFIG_METHOD_DHCP:
2087                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
2088                         return -EOPNOTSUPP;
2089
2090                 ipconfig->method = method;
2091                 break;
2092         }
2093
2094         return 0;
2095 }
2096
2097 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2098                                                         DBusMessageIter *iter)
2099 {
2100         struct connman_ipdevice *ipdevice;
2101         const char *method = "auto";
2102
2103         connman_dbus_dict_append_basic(iter, "Method",
2104                                                 DBUS_TYPE_STRING, &method);
2105
2106         ipdevice = g_hash_table_lookup(ipdevice_hash,
2107                                         GINT_TO_POINTER(ipconfig->index));
2108         if (ipdevice == NULL)
2109                 return;
2110
2111         if (ipdevice->ifname != NULL)
2112                 connman_dbus_dict_append_basic(iter, "Interface",
2113                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2114
2115         if (ipdevice->address != NULL)
2116                 connman_dbus_dict_append_basic(iter, "Address",
2117                                         DBUS_TYPE_STRING, &ipdevice->address);
2118
2119         if (ipdevice->mtu > 0)
2120                 connman_dbus_dict_append_basic(iter, "MTU",
2121                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2122 }
2123
2124 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2125                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2126 {
2127         char *method;
2128         char *key;
2129         char *str;
2130
2131         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2132
2133         key = g_strdup_printf("%smethod", prefix);
2134         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2135         if (method == NULL) {
2136                 switch (ipconfig->type) {
2137                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2138                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2139                         break;
2140                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2141                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2142                         break;
2143                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2144                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2145                         break;
2146                 }
2147         } else
2148                 ipconfig->method = __connman_ipconfig_string2method(method);
2149
2150         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2151                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2152
2153         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2154                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2155                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2156                         char *privacy;
2157                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2158                         privacy = g_key_file_get_string(keyfile, identifier,
2159                                                         pprefix, NULL);
2160                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2161                         g_free(pprefix);
2162                         g_free(privacy);
2163                 }
2164         }
2165
2166         g_free(method);
2167         g_free(key);
2168
2169         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2170         ipconfig->address->prefixlen = g_key_file_get_integer(
2171                                 keyfile, identifier, key, NULL);
2172         g_free(key);
2173
2174         key = g_strdup_printf("%slocal_address", prefix);
2175         ipconfig->address->local = g_key_file_get_string(
2176                         keyfile, identifier, key, NULL);
2177         g_free(key);
2178
2179         key = g_strdup_printf("%speer_address", prefix);
2180         ipconfig->address->peer = g_key_file_get_string(
2181                                 keyfile, identifier, key, NULL);
2182         g_free(key);
2183
2184         key = g_strdup_printf("%sbroadcast_address", prefix);
2185         ipconfig->address->broadcast = g_key_file_get_string(
2186                                 keyfile, identifier, key, NULL);
2187         g_free(key);
2188
2189         key = g_strdup_printf("%sgateway", prefix);
2190         ipconfig->address->gateway = g_key_file_get_string(
2191                                 keyfile, identifier, key, NULL);
2192         g_free(key);
2193
2194         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2195         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2196         if (str != NULL) {
2197                 g_free(ipconfig->last_dhcp_address);
2198                 ipconfig->last_dhcp_address = str;
2199         }
2200         g_free(key);
2201
2202         return 0;
2203 }
2204
2205 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2206                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2207 {
2208         const char *method;
2209         char *key;
2210
2211         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2212
2213         method = __connman_ipconfig_method2string(ipconfig->method);
2214
2215         key = g_strdup_printf("%smethod", prefix);
2216         g_key_file_set_string(keyfile, identifier, key, method);
2217         g_free(key);
2218
2219         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2220                 const char *privacy;
2221                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2222                 key = g_strdup_printf("%sprivacy", prefix);
2223                 g_key_file_set_string(keyfile, identifier, key, privacy);
2224                 g_free(key);
2225
2226                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2227                 if (ipconfig->last_dhcp_address != NULL &&
2228                                 strlen(ipconfig->last_dhcp_address) > 0)
2229                         g_key_file_set_string(keyfile, identifier, key,
2230                                         ipconfig->last_dhcp_address);
2231                 else
2232                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2233                 g_free(key);
2234         }
2235
2236         switch (ipconfig->method) {
2237         case CONNMAN_IPCONFIG_METHOD_FIXED:
2238         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2239                 break;
2240         case CONNMAN_IPCONFIG_METHOD_DHCP:
2241                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2242                 if (ipconfig->last_dhcp_address != NULL &&
2243                                 strlen(ipconfig->last_dhcp_address) > 0)
2244                         g_key_file_set_string(keyfile, identifier, key,
2245                                         ipconfig->last_dhcp_address);
2246                 else
2247                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2248                 g_free(key);
2249                 /* fall through */
2250         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2251         case CONNMAN_IPCONFIG_METHOD_OFF:
2252         case CONNMAN_IPCONFIG_METHOD_AUTO:
2253                 return 0;
2254         }
2255
2256         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2257         if (ipconfig->address->prefixlen != 0)
2258                 g_key_file_set_integer(keyfile, identifier,
2259                                 key, ipconfig->address->prefixlen);
2260         g_free(key);
2261
2262         key = g_strdup_printf("%slocal_address", prefix);
2263         if (ipconfig->address->local != NULL)
2264                 g_key_file_set_string(keyfile, identifier,
2265                                 key, ipconfig->address->local);
2266         g_free(key);
2267
2268         key = g_strdup_printf("%speer_address", prefix);
2269         if (ipconfig->address->peer != NULL)
2270                 g_key_file_set_string(keyfile, identifier,
2271                                 key, ipconfig->address->peer);
2272         g_free(key);
2273
2274         key = g_strdup_printf("%sbroadcast_address", prefix);
2275         if (ipconfig->address->broadcast != NULL)
2276                 g_key_file_set_string(keyfile, identifier,
2277                         key, ipconfig->address->broadcast);
2278         g_free(key);
2279
2280         key = g_strdup_printf("%sgateway", prefix);
2281         if (ipconfig->address->gateway != NULL)
2282                 g_key_file_set_string(keyfile, identifier,
2283                         key, ipconfig->address->gateway);
2284         g_free(key);
2285
2286         return 0;
2287 }
2288
2289 int __connman_ipconfig_init(void)
2290 {
2291         DBG("");
2292
2293         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2294                                                         NULL, free_ipdevice);
2295
2296         is_ipv6_supported = connman_inet_is_ipv6_supported();
2297
2298         return 0;
2299 }
2300
2301 void __connman_ipconfig_cleanup(void)
2302 {
2303         DBG("");
2304
2305         g_hash_table_destroy(ipdevice_hash);
2306         ipdevice_hash = NULL;
2307 }