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         if (ipdevice->config_ipv6 != NULL &&
 396                         ipdevice->config_ipv6->enabled == TRUE)
 397                 return;
 398
 399         if (__connman_device_isfiltered(ipdevice->ifname) == FALSE) {
 400                 ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 401                 set_ipv6_state(ipdevice->ifname, FALSE);
 402         }
 403 }
 404
 405 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 406 {
 407         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 408                                         ipdevice->config_ipv6);
 409
 410         if (ipdevice->config_ipv4)
 411                 connman_inet_clear_address(ipdevice->index,
 412                                         ipdevice->config_ipv4->address);
 413
 414         if (ipdevice->config_ipv6)
 415                 connman_inet_clear_ipv6_address(ipdevice->index,
 416                                 ipdevice->config_ipv6->address->local,
 417                                 ipdevice->config_ipv6->address->prefixlen);
 418 }
 419
 420 static void update_stats(struct connman_ipdevice *ipdevice,
 421                                                 struct rtnl_link_stats *stats)
 422 {
 423         struct connman_service *service;
 424
 425         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 426                 return;
 427
 428         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 429                                         stats->rx_packets, stats->rx_bytes);
 430         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 431                                         stats->tx_packets, stats->tx_bytes);
 432
 433         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 434                 return;
 435
 436         if (ipdevice->config_ipv4)
 437                 service = __connman_ipconfig_get_data(ipdevice->config_ipv4);
 438         else if (ipdevice->config_ipv6)
 439                 service = __connman_ipconfig_get_data(ipdevice->config_ipv6);
 440         else
 441                 return;
 442
 443         if (service == NULL)
 444                 return;
 445
 446         ipdevice->rx_packets = stats->rx_packets;
 447         ipdevice->tx_packets = stats->tx_packets;
 448         ipdevice->rx_bytes = stats->rx_bytes;
 449         ipdevice->tx_bytes = stats->tx_bytes;
 450         ipdevice->rx_errors = stats->rx_errors;
 451         ipdevice->tx_errors = stats->tx_errors;
 452         ipdevice->rx_dropped = stats->rx_dropped;
 453         ipdevice->tx_dropped = stats->tx_dropped;
 454
 455         __connman_service_notify(service,
 456                                 ipdevice->rx_packets, ipdevice->tx_packets,
 457                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 458                                 ipdevice->rx_errors, ipdevice->tx_errors,
 459                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 460 }
 461
 462 void __connman_ipconfig_newlink(int index, unsigned short type,
 463                                 unsigned int flags, const char *address,
 464                                                         unsigned short mtu,
 465                                                 struct rtnl_link_stats *stats)
 466 {
 467         struct connman_ipdevice *ipdevice;
 468         GList *list;
 469         GString *str;
 470         gboolean up = FALSE, down = FALSE;
 471         gboolean lower_up = FALSE, lower_down = FALSE;
 472
 473         DBG("index %d", index);
 474
 475         if (type == ARPHRD_LOOPBACK)
 476                 return;
 477
 478         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 479         if (ipdevice != NULL) {
 480                 char *ifname = connman_inet_ifname(index);
 481                 if (g_strcmp0(ipdevice->ifname, ifname) != 0) {
 482                         DBG("interface name changed %s -> %s",
 483                                 ipdevice->ifname, ifname);
 484
 485                         g_free(ipdevice->ifname);
 486                         ipdevice->ifname = ifname;
 487                 } else
 488                         g_free(ifname);
 489
 490                 goto update;
 491         }
 492
 493         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 494         if (ipdevice == NULL)
 495                 return;
 496
 497         ipdevice->index = index;
 498         ipdevice->ifname = connman_inet_ifname(index);
 499         ipdevice->type = type;
 500
 501         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 502         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 503
 504         ipdevice->address = g_strdup(address);
 505
 506         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 507
 508         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 509                                                 index, type, type2str(type));
 510
 511 update:
 512         ipdevice->mtu = mtu;
 513
 514         update_stats(ipdevice, stats);
 515
 516         if (flags == ipdevice->flags)
 517                 return;
 518
 519         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 520                 if (flags & IFF_UP)
 521                         up = TRUE;
 522                 else
 523                         down = TRUE;
 524         }
 525
 526         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 527                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 528                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 529                                         (IFF_RUNNING | IFF_LOWER_UP))
 530                         lower_up = TRUE;
 531                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 532                         lower_down = TRUE;
 533         }
 534
 535         ipdevice->flags = flags;
 536
 537         str = g_string_new(NULL);
 538         if (str == NULL)
 539                 return;
 540
 541         if (flags & IFF_UP)
 542                 g_string_append(str, "UP");
 543         else
 544                 g_string_append(str, "DOWN");
 545
 546         if (flags & IFF_RUNNING)
 547                 g_string_append(str, ",RUNNING");
 548
 549         if (flags & IFF_LOWER_UP)
 550                 g_string_append(str, ",LOWER_UP");
 551
 552         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 553                                                         flags, str->str);
 554
 555         g_string_free(str, TRUE);
 556
 557         for (list = g_list_first(ipconfig_list); list;
 558                                                 list = g_list_next(list)) {
 559                 struct connman_ipconfig *ipconfig = list->data;
 560
 561                 if (index != ipconfig->index)
 562                         continue;
 563
 564                 if (ipconfig->ops == NULL)
 565                         continue;
 566
 567                 if (up == TRUE && ipconfig->ops->up)
 568                         ipconfig->ops->up(ipconfig);
 569                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 570                         ipconfig->ops->lower_up(ipconfig);
 571
 572                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 573                         ipconfig->ops->lower_down(ipconfig);
 574                 if (down == TRUE && ipconfig->ops->down)
 575                         ipconfig->ops->down(ipconfig);
 576         }
 577
 578         if (lower_up)
 579                 __connman_ipconfig_lower_up(ipdevice);
 580         if (lower_down)
 581                 __connman_ipconfig_lower_down(ipdevice);
 582 }
 583
 584 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 585 {
 586         struct connman_ipdevice *ipdevice;
 587         GList *list;
 588
 589         DBG("index %d", index);
 590
 591         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 592         if (ipdevice == NULL)
 593                 return;
 594
 595         update_stats(ipdevice, stats);
 596
 597         for (list = g_list_first(ipconfig_list); list;
 598                                                 list = g_list_next(list)) {
 599                 struct connman_ipconfig *ipconfig = list->data;
 600
 601                 if (index != ipconfig->index)
 602                         continue;
 603
 604                 ipconfig->index = -1;
 605
 606                 if (ipconfig->ops == NULL)
 607                         continue;
 608
 609                 if (ipconfig->ops->lower_down)
 610                         ipconfig->ops->lower_down(ipconfig);
 611                 if (ipconfig->ops->down)
 612                         ipconfig->ops->down(ipconfig);
 613         }
 614
 615         __connman_ipconfig_lower_down(ipdevice);
 616
 617         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 618 }
 619
 620 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 621 {
 622         const struct connman_ipaddress *addr1 = a;
 623         const struct connman_ipaddress *addr2 = b;
 624
 625         if (addr1->prefixlen != addr2->prefixlen)
 626                 return addr2->prefixlen - addr1->prefixlen;
 627
 628         return g_strcmp0(addr1->local, addr2->local);
 629 }
 630
 631 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 632                                 unsigned char prefixlen, const char *address)
 633 {
 634         struct connman_ipdevice *ipdevice;
 635         struct connman_ipaddress *ipaddress;
 636         enum connman_ipconfig_type type;
 637         GList *list;
 638
 639         DBG("index %d", index);
 640
 641         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 642         if (ipdevice == NULL)
 643                 return;
 644
 645         ipaddress = connman_ipaddress_alloc(family);
 646         if (ipaddress == NULL)
 647                 return;
 648
 649         ipaddress->prefixlen = prefixlen;
 650         ipaddress->local = g_strdup(address);
 651
 652         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 653                                         check_duplicate_address)) {
 654                 connman_ipaddress_free(ipaddress);
 655                 return;
 656         }
 657
 658         if (family == AF_INET)
 659                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 660         else if (family == AF_INET6)
 661                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 662         else
 663                 return;
 664
 665         ipdevice->address_list = g_slist_prepend(ipdevice->address_list,
 666                                                                 ipaddress);
 667
 668         connman_info("%s {add} address %s/%u label %s family %d",
 669                 ipdevice->ifname, address, prefixlen, label, family);
 670
 671         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 672                 __connman_ippool_newaddr(index, address, prefixlen);
 673
 674         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 675                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 676                                         ipaddress);
 677
 678         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 679                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 680                                         ipaddress);
 681         else
 682                 return;
 683
 684         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 685                 return;
 686
 687         for (list = g_list_first(ipconfig_list); list;
 688                                                 list = g_list_next(list)) {
 689                 struct connman_ipconfig *ipconfig = list->data;
 690
 691                 if (index != ipconfig->index)
 692                         continue;
 693
 694                 if (type != ipconfig->type)
 695                         continue;
 696
 697                 if (ipconfig->ops == NULL)
 698                         continue;
 699
 700                 if (ipconfig->ops->ip_bound)
 701                         ipconfig->ops->ip_bound(ipconfig);
 702         }
 703 }
 704
 705 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 706                                 unsigned char prefixlen, const char *address)
 707 {
 708         struct connman_ipdevice *ipdevice;
 709         struct connman_ipaddress *ipaddress;
 710         enum connman_ipconfig_type type;
 711         GList *list;
 712
 713         DBG("index %d", index);
 714
 715         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 716         if (ipdevice == NULL)
 717                 return;
 718
 719         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 720         if (ipaddress == NULL)
 721                 return;
 722
 723         if (family == AF_INET)
 724                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 725         else if (family == AF_INET6)
 726                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 727         else
 728                 return;
 729
 730         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 731                                                                 ipaddress);
 732
 733         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 734                 __connman_ippool_deladdr(index, address, prefixlen);
 735
 736         connman_ipaddress_clear(ipaddress);
 737         g_free(ipaddress);
 738
 739         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 740                                                 address, prefixlen, label);
 741
 742         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 743                 return;
 744
 745         if (g_slist_length(ipdevice->address_list) > 0)
 746                 return;
 747
 748         for (list = g_list_first(ipconfig_list); list;
 749                                                 list = g_list_next(list)) {
 750                 struct connman_ipconfig *ipconfig = list->data;
 751
 752                 if (index != ipconfig->index)
 753                         continue;
 754
 755                 if (type != ipconfig->type)
 756                         continue;
 757
 758                 if (ipconfig->ops == NULL)
 759                         continue;
 760
 761                 if (ipconfig->ops->ip_release)
 762                         ipconfig->ops->ip_release(ipconfig);
 763         }
 764 }
 765
 766 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 767                                         const char *dst, const char *gateway)
 768 {
 769         struct connman_ipdevice *ipdevice;
 770
 771         DBG("index %d", index);
 772
 773         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 774         if (ipdevice == NULL)
 775                 return;
 776
 777         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 778                                                 g_strcmp0(dst, "::") == 0)) {
 779                 GList *config_list;
 780                 enum connman_ipconfig_type type;
 781
 782                 if (family == AF_INET6) {
 783                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 784                         g_free(ipdevice->ipv6_gateway);
 785                         ipdevice->ipv6_gateway = g_strdup(gateway);
 786
 787                         if (ipdevice->config_ipv6 != NULL &&
 788                                 ipdevice->config_ipv6->system != NULL) {
 789                                 g_free(ipdevice->config_ipv6->system->gateway);
 790                                 ipdevice->config_ipv6->system->gateway =
 791                                         g_strdup(gateway);
 792                         }
 793                 } else if (family == AF_INET) {
 794                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 795                         g_free(ipdevice->ipv4_gateway);
 796                         ipdevice->ipv4_gateway = g_strdup(gateway);
 797
 798                         if (ipdevice->config_ipv4 != NULL &&
 799                                 ipdevice->config_ipv4->system != NULL) {
 800                                 g_free(ipdevice->config_ipv4->system->gateway);
 801                                 ipdevice->config_ipv4->system->gateway =
 802                                         g_strdup(gateway);
 803                         }
 804                 } else
 805                         return;
 806
 807                 for (config_list = g_list_first(ipconfig_list); config_list;
 808                                         config_list = g_list_next(config_list)) {
 809                         struct connman_ipconfig *ipconfig = config_list->data;
 810
 811                         if (index != ipconfig->index)
 812                                 continue;
 813
 814                         if (type != ipconfig->type)
 815                                 continue;
 816
 817                         if (ipconfig->ops == NULL)
 818                                 continue;
 819
 820                         if (ipconfig->ops->route_set)
 821                                 ipconfig->ops->route_set(ipconfig);
 822                 }
 823         }
 824
 825         connman_info("%s {add} route %s gw %s scope %u <%s>",
 826                                         ipdevice->ifname, dst, gateway,
 827                                                 scope, scope2str(scope));
 828 }
 829
 830 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 831                                         const char *dst, const char *gateway)
 832 {
 833         struct connman_ipdevice *ipdevice;
 834
 835         DBG("index %d", index);
 836
 837         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 838         if (ipdevice == NULL)
 839                 return;
 840
 841         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 842                                                 g_strcmp0(dst, "::") == 0)) {
 843                 GList *config_list;
 844                 enum connman_ipconfig_type type;
 845
 846                 if (family == AF_INET6) {
 847                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 848                         g_free(ipdevice->ipv6_gateway);
 849                         ipdevice->ipv6_gateway = NULL;
 850
 851                         if (ipdevice->config_ipv6 != NULL &&
 852                                 ipdevice->config_ipv6->system != NULL) {
 853                                 g_free(ipdevice->config_ipv6->system->gateway);
 854                                 ipdevice->config_ipv6->system->gateway = NULL;
 855                         }
 856                 } else if (family == AF_INET) {
 857                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 858                         g_free(ipdevice->ipv4_gateway);
 859                         ipdevice->ipv4_gateway = NULL;
 860
 861                         if (ipdevice->config_ipv4 != NULL &&
 862                                 ipdevice->config_ipv4->system != NULL) {
 863                                 g_free(ipdevice->config_ipv4->system->gateway);
 864                                 ipdevice->config_ipv4->system->gateway = NULL;
 865                         }
 866                 } else
 867                         return;
 868
 869                 for (config_list = g_list_first(ipconfig_list); config_list;
 870                                         config_list = g_list_next(config_list)) {
 871                         struct connman_ipconfig *ipconfig = config_list->data;
 872
 873                         if (index != ipconfig->index)
 874                                 continue;
 875
 876                         if (type != ipconfig->type)
 877                                 continue;
 878
 879                         if (ipconfig->ops == NULL)
 880                                 continue;
 881
 882                         if (ipconfig->ops->route_unset)
 883                                 ipconfig->ops->route_unset(ipconfig);
 884                 }
 885         }
 886
 887         connman_info("%s {del} route %s gw %s scope %u <%s>",
 888                                         ipdevice->ifname, dst, gateway,
 889                                                 scope, scope2str(scope));
 890 }
 891
 892 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 893                                                         void *user_data)
 894 {
 895         GList *list, *keys;
 896
 897         keys = g_hash_table_get_keys(ipdevice_hash);
 898         if (keys == NULL)
 899                 return;
 900
 901         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 902                 int index = GPOINTER_TO_INT(list->data);
 903
 904                 function(index, user_data);
 905         }
 906
 907         g_list_free(keys);
 908 }
 909
 910 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
 911                                         struct connman_ipconfig *ipconfig)
 912 {
 913         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
 914 }
 915
 916 unsigned short __connman_ipconfig_get_type_from_index(int index)
 917 {
 918         struct connman_ipdevice *ipdevice;
 919
 920         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 921         if (ipdevice == NULL)
 922                 return ARPHRD_VOID;
 923
 924         return ipdevice->type;
 925 }
 926
 927 unsigned int __connman_ipconfig_get_flags_from_index(int index)
 928 {
 929         struct connman_ipdevice *ipdevice;
 930
 931         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 932         if (ipdevice == NULL)
 933                 return 0;
 934
 935         return ipdevice->flags;
 936 }
 937
 938 const char *__connman_ipconfig_get_gateway_from_index(int index,
 939         enum connman_ipconfig_type type)
 940 {
 941         struct connman_ipdevice *ipdevice;
 942
 943         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 944         if (ipdevice == NULL)
 945                 return NULL;
 946
 947         if (type != CONNMAN_IPCONFIG_TYPE_IPV6) {
 948                 if (ipdevice->ipv4_gateway != NULL)
 949                         return ipdevice->ipv4_gateway;
 950
 951                 if (ipdevice->config_ipv4 != NULL &&
 952                                 ipdevice->config_ipv4->address != NULL)
 953                         return ipdevice->config_ipv4->address->gateway;
 954         }
 955
 956         if (type != CONNMAN_IPCONFIG_TYPE_IPV4) {
 957                 if (ipdevice->ipv6_gateway != NULL)
 958                         return ipdevice->ipv6_gateway;
 959
 960                 if (ipdevice->config_ipv6 != NULL &&
 961                                 ipdevice->config_ipv6->address != NULL)
 962                         return ipdevice->config_ipv6->address->gateway;
 963         }
 964
 965         return NULL;
 966 }
 967
 968 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 969 {
 970         ipconfig->index = index;
 971 }
 972
 973 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 974 {
 975         if (ipconfig->address == NULL)
 976                 return NULL;
 977
 978         return ipconfig->address->local;
 979 }
 980
 981 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
 982 {
 983         if (ipconfig->address == NULL)
 984                 return;
 985
 986         g_free(ipconfig->address->local);
 987         ipconfig->address->local = g_strdup(address);
 988 }
 989
 990 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
 991 {
 992         if (ipconfig->address == NULL)
 993                 return NULL;
 994
 995         return ipconfig->address->peer;
 996 }
 997
 998 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
 999 {
1000         if (ipconfig->address == NULL)
1001                 return;
1002
1003         g_free(ipconfig->address->peer);
1004         ipconfig->address->peer = g_strdup(address);
1005 }
1006
1007 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1008 {
1009         if (ipconfig->address == NULL)
1010                 return NULL;
1011
1012         return ipconfig->address->broadcast;
1013 }
1014
1015 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1016 {
1017         if (ipconfig->address == NULL)
1018                 return;
1019
1020         g_free(ipconfig->address->broadcast);
1021         ipconfig->address->broadcast = g_strdup(broadcast);
1022 }
1023
1024 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1025 {
1026         if (ipconfig->address == NULL)
1027                 return NULL;
1028
1029         return ipconfig->address->gateway;
1030 }
1031
1032 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1033 {
1034         DBG("");
1035
1036         if (ipconfig->address == NULL)
1037                 return;
1038         g_free(ipconfig->address->gateway);
1039         ipconfig->address->gateway = g_strdup(gateway);
1040 }
1041
1042 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1043 {
1044         struct connman_service *service;
1045
1046         DBG("");
1047
1048         if (ipconfig->address == NULL)
1049                 return -EINVAL;
1050
1051         service = __connman_service_lookup_from_index(ipconfig->index);
1052         if (service == NULL)
1053                 return -EINVAL;
1054
1055         __connman_connection_gateway_remove(service, ipconfig->type);
1056
1057         DBG("type %d gw %s peer %s", ipconfig->type,
1058                 ipconfig->address->gateway, ipconfig->address->peer);
1059
1060         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1061                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1062                 return __connman_connection_gateway_add(service,
1063                                                 ipconfig->address->gateway,
1064                                                 ipconfig->type,
1065                                                 ipconfig->address->peer);
1066
1067         return 0;
1068 }
1069
1070 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1071 {
1072         struct connman_service *service;
1073
1074         DBG("");
1075
1076         service = __connman_service_lookup_from_index(ipconfig->index);
1077         if (service != NULL)
1078                 __connman_connection_gateway_remove(service, ipconfig->type);
1079 }
1080
1081 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1082 {
1083         if (ipconfig->address == NULL)
1084                 return 0;
1085
1086         return ipconfig->address->prefixlen;
1087 }
1088
1089 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1090 {
1091         if (ipconfig->address == NULL)
1092                 return;
1093
1094         ipconfig->address->prefixlen = prefixlen;
1095 }
1096
1097 static struct connman_ipconfig *create_ipv6config(int index)
1098 {
1099         struct connman_ipconfig *ipv6config;
1100         struct connman_ipdevice *ipdevice;
1101
1102         DBG("index %d", index);
1103
1104         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1105         if (ipv6config == NULL)
1106                 return NULL;
1107
1108         ipv6config->refcount = 1;
1109
1110         ipv6config->index = index;
1111         ipv6config->enabled = FALSE;
1112         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1113
1114         if (is_ipv6_supported == FALSE)
1115                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
1116         else
1117                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1118
1119         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1120         if (ipdevice != NULL)
1121                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy;
1122
1123         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1124         if (ipv6config->address == NULL) {
1125                 g_free(ipv6config);
1126                 return NULL;
1127         }
1128
1129         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1130
1131         DBG("ipconfig %p method %s", ipv6config,
1132                 __connman_ipconfig_method2string(ipv6config->method));
1133
1134         return ipv6config;
1135 }
1136
1137 /**
1138  * connman_ipconfig_create:
1139  *
1140  * Allocate a new ipconfig structure.
1141  *
1142  * Returns: a newly-allocated #connman_ipconfig structure
1143  */
1144 struct connman_ipconfig *__connman_ipconfig_create(int index,
1145                                         enum connman_ipconfig_type type)
1146 {
1147         struct connman_ipconfig *ipconfig;
1148
1149         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1150                 return create_ipv6config(index);
1151
1152         DBG("index %d", index);
1153
1154         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1155         if (ipconfig == NULL)
1156                 return NULL;
1157
1158         ipconfig->refcount = 1;
1159
1160         ipconfig->index = index;
1161         ipconfig->enabled = FALSE;
1162         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1163
1164         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1165         if (ipconfig->address == NULL) {
1166                 g_free(ipconfig);
1167                 return NULL;
1168         }
1169
1170         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1171
1172         DBG("ipconfig %p", ipconfig);
1173
1174         return ipconfig;
1175 }
1176
1177
1178 /**
1179  * connman_ipconfig_ref:
1180  * @ipconfig: ipconfig structure
1181  *
1182  * Increase reference counter of ipconfig
1183  */
1184 struct connman_ipconfig *
1185 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1186                                 const char *file, int line, const char *caller)
1187 {
1188         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1189                 file, line, caller);
1190
1191         __sync_fetch_and_add(&ipconfig->refcount, 1);
1192
1193         return ipconfig;
1194 }
1195
1196 /**
1197  * connman_ipconfig_unref:
1198  * @ipconfig: ipconfig structure
1199  *
1200  * Decrease reference counter of ipconfig
1201  */
1202 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1203                                 const char *file, int line, const char *caller)
1204 {
1205         if (ipconfig == NULL)
1206                 return;
1207
1208         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1209                 file, line, caller);
1210
1211         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1212                 return;
1213
1214         if (__connman_ipconfig_disable(ipconfig) < 0)
1215                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1216
1217         __connman_ipconfig_set_ops(ipconfig, NULL);
1218
1219         if (ipconfig->origin != NULL && ipconfig->origin != ipconfig) {
1220                 __connman_ipconfig_unref(ipconfig->origin);
1221                 ipconfig->origin = NULL;
1222         }
1223
1224         connman_ipaddress_free(ipconfig->system);
1225         connman_ipaddress_free(ipconfig->address);
1226         g_free(ipconfig->last_dhcp_address);
1227         g_free(ipconfig);
1228 }
1229
1230 /**
1231  * connman_ipconfig_get_data:
1232  * @ipconfig: ipconfig structure
1233  *
1234  * Get private data pointer
1235  */
1236 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1237 {
1238         if (ipconfig == NULL)
1239                 return NULL;
1240
1241         return ipconfig->ops_data;
1242 }
1243
1244 /**
1245  * connman_ipconfig_set_data:
1246  * @ipconfig: ipconfig structure
1247  * @data: data pointer
1248  *
1249  * Set private data pointer
1250  */
1251 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1252 {
1253         ipconfig->ops_data = data;
1254 }
1255
1256 /**
1257  * connman_ipconfig_get_index:
1258  * @ipconfig: ipconfig structure
1259  *
1260  * Get interface index
1261  */
1262 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1263 {
1264         if (ipconfig == NULL)
1265                 return -1;
1266
1267         if (ipconfig->origin != NULL)
1268                 return ipconfig->origin->index;
1269
1270         return ipconfig->index;
1271 }
1272
1273 /**
1274  * connman_ipconfig_get_ifname:
1275  * @ipconfig: ipconfig structure
1276  *
1277  * Get interface name
1278  */
1279 const char *__connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1280 {
1281         struct connman_ipdevice *ipdevice;
1282
1283         if (ipconfig == NULL)
1284                 return NULL;
1285
1286         if (ipconfig->index < 0)
1287                 return NULL;
1288
1289         ipdevice = g_hash_table_lookup(ipdevice_hash,
1290                                         GINT_TO_POINTER(ipconfig->index));
1291         if (ipdevice == NULL)
1292                 return NULL;
1293
1294         return ipdevice->ifname;
1295 }
1296
1297 /**
1298  * connman_ipconfig_set_ops:
1299  * @ipconfig: ipconfig structure
1300  * @ops: operation callbacks
1301  *
1302  * Set the operation callbacks
1303  */
1304 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1305                                 const struct connman_ipconfig_ops *ops)
1306 {
1307         ipconfig->ops = ops;
1308 }
1309
1310 /**
1311  * connman_ipconfig_set_method:
1312  * @ipconfig: ipconfig structure
1313  * @method: configuration method
1314  *
1315  * Set the configuration method
1316  */
1317 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1318                                         enum connman_ipconfig_method method)
1319 {
1320         ipconfig->method = method;
1321
1322         return 0;
1323 }
1324
1325 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1326 {
1327         if (ipconfig == NULL)
1328                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1329
1330         return ipconfig->method;
1331 }
1332
1333 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1334 {
1335         DBG("");
1336
1337         switch (ipconfig->method) {
1338         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1339         case CONNMAN_IPCONFIG_METHOD_OFF:
1340                 break;
1341         case CONNMAN_IPCONFIG_METHOD_AUTO:
1342         case CONNMAN_IPCONFIG_METHOD_FIXED:
1343         case CONNMAN_IPCONFIG_METHOD_DHCP:
1344         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1345                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1346                         return connman_inet_set_address(ipconfig->index,
1347                                                         ipconfig->address);
1348                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1349                         return connman_inet_set_ipv6_address(
1350                                         ipconfig->index, ipconfig->address);
1351         }
1352
1353         return 0;
1354 }
1355
1356 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1357 {
1358         int err;
1359
1360         DBG("");
1361
1362         if (ipconfig == NULL)
1363                 return 0;
1364
1365         DBG("method %d", ipconfig->method);
1366
1367         switch (ipconfig->method) {
1368         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1369         case CONNMAN_IPCONFIG_METHOD_OFF:
1370                 break;
1371         case CONNMAN_IPCONFIG_METHOD_AUTO:
1372         case CONNMAN_IPCONFIG_METHOD_FIXED:
1373         case CONNMAN_IPCONFIG_METHOD_DHCP:
1374         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1375                 err = __connman_ipconfig_address_unset(ipconfig);
1376                 connman_ipaddress_clear(ipconfig->address);
1377
1378                 return err;
1379         }
1380
1381         return 0;
1382 }
1383
1384 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1385 {
1386         int err;
1387
1388         DBG("");
1389
1390         if (ipconfig == NULL)
1391                 return 0;
1392
1393         DBG("method %d", ipconfig->method);
1394
1395         switch (ipconfig->method) {
1396         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1397         case CONNMAN_IPCONFIG_METHOD_OFF:
1398                 break;
1399         case CONNMAN_IPCONFIG_METHOD_AUTO:
1400         case CONNMAN_IPCONFIG_METHOD_FIXED:
1401         case CONNMAN_IPCONFIG_METHOD_DHCP:
1402         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1403                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1404                         err = connman_inet_clear_address(ipconfig->index,
1405                                                         ipconfig->address);
1406                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1407                         err = connman_inet_clear_ipv6_address(
1408                                                 ipconfig->index,
1409                                                 ipconfig->address->local,
1410                                                 ipconfig->address->prefixlen);
1411                 else
1412                         err = -EINVAL;
1413
1414                 return err;
1415         }
1416
1417         return 0;
1418 }
1419
1420 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1421                                                         const char *url)
1422 {
1423         struct connman_ipdevice *ipdevice;
1424
1425         DBG("ipconfig %p", ipconfig);
1426
1427         if (ipconfig == NULL || ipconfig->index < 0)
1428                 return -ENODEV;
1429
1430         ipdevice = g_hash_table_lookup(ipdevice_hash,
1431                                         GINT_TO_POINTER(ipconfig->index));
1432         if (ipdevice == NULL)
1433                 return -ENXIO;
1434
1435         g_free(ipdevice->pac);
1436         ipdevice->pac = g_strdup(url);
1437
1438         return 0;
1439 }
1440
1441 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1442 {
1443         struct connman_ipdevice *ipdevice;
1444
1445         DBG("ipconfig %p", ipconfig);
1446
1447         if (ipconfig == NULL || ipconfig->index < 0)
1448                 return NULL;
1449
1450         ipdevice = g_hash_table_lookup(ipdevice_hash,
1451                                         GINT_TO_POINTER(ipconfig->index));
1452         if (ipdevice == NULL)
1453                 return NULL;
1454
1455         return ipdevice->pac;
1456 }
1457
1458 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1459                                         const char *address)
1460 {
1461         if (ipconfig == NULL)
1462                 return;
1463
1464         g_free(ipconfig->last_dhcp_address);
1465         ipconfig->last_dhcp_address = g_strdup(address);
1466 }
1467
1468 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1469 {
1470         if (ipconfig == NULL)
1471                 return NULL;
1472
1473         return ipconfig->last_dhcp_address;
1474 }
1475
1476 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1477 {
1478         struct connman_ipdevice *ipdevice;
1479
1480         DBG("");
1481
1482         ipdevice = g_hash_table_lookup(ipdevice_hash,
1483                                         GINT_TO_POINTER(ipconfig->index));
1484         if (ipdevice == NULL)
1485                 return;
1486
1487         set_ipv6_state(ipdevice->ifname, FALSE);
1488 }
1489
1490 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1491 {
1492         struct connman_ipdevice *ipdevice;
1493
1494         DBG("");
1495
1496         ipdevice = g_hash_table_lookup(ipdevice_hash,
1497                                         GINT_TO_POINTER(ipconfig->index));
1498         if (ipdevice == NULL)
1499                 return;
1500
1501         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1502                 set_ipv6_privacy(ipdevice->ifname,
1503                                 ipconfig->ipv6_privacy_config);
1504
1505         set_ipv6_state(ipdevice->ifname, TRUE);
1506 }
1507
1508 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1509 {
1510         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1511                 return;
1512
1513         enable_ipv6(ipconfig);
1514 }
1515
1516 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1517 {
1518         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1519                 return;
1520
1521         disable_ipv6(ipconfig);
1522 }
1523
1524 connman_bool_t __connman_ipconfig_is_usable(struct connman_ipconfig *ipconfig)
1525 {
1526         if (ipconfig == NULL)
1527                 return FALSE;
1528
1529         switch (ipconfig->method) {
1530         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1531         case CONNMAN_IPCONFIG_METHOD_OFF:
1532                 return FALSE;
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                 break;
1538         }
1539
1540         return TRUE;
1541 }
1542
1543 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1544 {
1545         struct connman_ipdevice *ipdevice;
1546         gboolean up = FALSE, down = FALSE;
1547         gboolean lower_up = FALSE, lower_down = FALSE;
1548         enum connman_ipconfig_type type;
1549
1550         DBG("ipconfig %p", ipconfig);
1551
1552         if (ipconfig == NULL || ipconfig->index < 0)
1553                 return -ENODEV;
1554
1555         ipdevice = g_hash_table_lookup(ipdevice_hash,
1556                                         GINT_TO_POINTER(ipconfig->index));
1557         if (ipdevice == NULL)
1558                 return -ENXIO;
1559
1560         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1561                 if (ipdevice->config_ipv4 == ipconfig)
1562                         return -EALREADY;
1563                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1564         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1565                 if (ipdevice->config_ipv6 == ipconfig)
1566                         return -EALREADY;
1567                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1568                 enable_ipv6(ipconfig);
1569         } else
1570                 return -EINVAL;
1571
1572         ipconfig->enabled = TRUE;
1573
1574         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1575                                         ipdevice->config_ipv4 != NULL) {
1576                 ipconfig_list = g_list_remove(ipconfig_list,
1577                                                         ipdevice->config_ipv4);
1578
1579                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1580
1581                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1582         }
1583
1584         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1585                                         ipdevice->config_ipv6 != NULL) {
1586                 ipconfig_list = g_list_remove(ipconfig_list,
1587                                                         ipdevice->config_ipv6);
1588
1589                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1590
1591                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1592         }
1593
1594         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1595                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1596         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1597                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1598
1599         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1600
1601         if (ipdevice->flags & IFF_UP)
1602                 up = TRUE;
1603         else
1604                 down = TRUE;
1605
1606         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1607                         (IFF_RUNNING | IFF_LOWER_UP))
1608                 lower_up = TRUE;
1609         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1610                 lower_down = TRUE;
1611
1612         if (up == TRUE && ipconfig->ops->up)
1613                 ipconfig->ops->up(ipconfig);
1614         if (lower_up == TRUE && ipconfig->ops->lower_up)
1615                 ipconfig->ops->lower_up(ipconfig);
1616
1617         if (lower_down == TRUE && ipconfig->ops->lower_down)
1618                 ipconfig->ops->lower_down(ipconfig);
1619         if (down == TRUE && ipconfig->ops->down)
1620                 ipconfig->ops->down(ipconfig);
1621
1622         return 0;
1623 }
1624
1625 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1626 {
1627         struct connman_ipdevice *ipdevice;
1628
1629         DBG("ipconfig %p", ipconfig);
1630
1631         if (ipconfig == NULL || ipconfig->index < 0)
1632                 return -ENODEV;
1633
1634         ipdevice = g_hash_table_lookup(ipdevice_hash,
1635                                         GINT_TO_POINTER(ipconfig->index));
1636         if (ipdevice == NULL)
1637                 return -ENXIO;
1638
1639         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1640                 return -EINVAL;
1641
1642         ipconfig->enabled = FALSE;
1643
1644         if (ipdevice->config_ipv4 == ipconfig) {
1645                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1646
1647                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1648                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1649                 ipdevice->config_ipv4 = NULL;
1650                 return 0;
1651         }
1652
1653         if (ipdevice->config_ipv6 == ipconfig) {
1654                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1655
1656                 if (ipdevice->config_ipv6->method ==
1657                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1658                         disable_ipv6(ipdevice->config_ipv6);
1659
1660                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1661                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1662                 ipdevice->config_ipv6 = NULL;
1663                 return 0;
1664         }
1665
1666         return -EINVAL;
1667 }
1668
1669 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1670 {
1671         switch (method) {
1672         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1673                 break;
1674         case CONNMAN_IPCONFIG_METHOD_OFF:
1675                 return "off";
1676         case CONNMAN_IPCONFIG_METHOD_FIXED:
1677                 return "fixed";
1678         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1679                 return "manual";
1680         case CONNMAN_IPCONFIG_METHOD_DHCP:
1681                 return "dhcp";
1682         case CONNMAN_IPCONFIG_METHOD_AUTO:
1683                 return "auto";
1684         }
1685
1686         return NULL;
1687 }
1688
1689 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1690 {
1691         if (g_strcmp0(method, "off") == 0)
1692                 return CONNMAN_IPCONFIG_METHOD_OFF;
1693         else if (g_strcmp0(method, "fixed") == 0)
1694                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1695         else if (g_strcmp0(method, "manual") == 0)
1696                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1697         else if (g_strcmp0(method, "dhcp") == 0)
1698                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1699         else if (g_strcmp0(method, "auto") == 0)
1700                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1701         else
1702                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1703 }
1704
1705 static const char *privacy2string(int privacy)
1706 {
1707         if (privacy <= 0)
1708                 return "disabled";
1709         else if (privacy == 1)
1710                 return "enabled";
1711         else if (privacy > 1)
1712                 return "prefered";
1713
1714         return "disabled";
1715 }
1716
1717 static int string2privacy(const char *privacy)
1718 {
1719         if (g_strcmp0(privacy, "disabled") == 0)
1720                 return 0;
1721         else if (g_strcmp0(privacy, "enabled") == 0)
1722                 return 1;
1723         else if (g_strcmp0(privacy, "prefered") == 0)
1724                 return 2;
1725         else
1726                 return 0;
1727 }
1728
1729 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1730                                                         DBusMessageIter *iter)
1731 {
1732         struct connman_ipaddress *append_addr = NULL;
1733         const char *str;
1734
1735         DBG("");
1736
1737         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1738                 return;
1739
1740         str = __connman_ipconfig_method2string(ipconfig->method);
1741         if (str == NULL)
1742                 return;
1743
1744         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1745
1746         switch (ipconfig->method) {
1747         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1748         case CONNMAN_IPCONFIG_METHOD_OFF:
1749         case CONNMAN_IPCONFIG_METHOD_AUTO:
1750                 return;
1751
1752         case CONNMAN_IPCONFIG_METHOD_FIXED:
1753                 append_addr = ipconfig->address;
1754                 break;
1755
1756         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1757         case CONNMAN_IPCONFIG_METHOD_DHCP:
1758                 append_addr = ipconfig->system;
1759                 break;
1760         }
1761
1762         if (append_addr == NULL)
1763                 return;
1764
1765         if (append_addr->local != NULL) {
1766                 in_addr_t addr;
1767                 struct in_addr netmask;
1768                 char *mask;
1769
1770                 connman_dbus_dict_append_basic(iter, "Address",
1771                                 DBUS_TYPE_STRING, &append_addr->local);
1772
1773                 addr = 0xffffffff << (32 - append_addr->prefixlen);
1774                 netmask.s_addr = htonl(addr);
1775                 mask = inet_ntoa(netmask);
1776                 connman_dbus_dict_append_basic(iter, "Netmask",
1777                                                 DBUS_TYPE_STRING, &mask);
1778         }
1779
1780         if (append_addr->gateway != NULL)
1781                 connman_dbus_dict_append_basic(iter, "Gateway",
1782                                 DBUS_TYPE_STRING, &append_addr->gateway);
1783 }
1784
1785 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1786                                         DBusMessageIter *iter,
1787                                         struct connman_ipconfig *ipconfig_ipv4)
1788 {
1789         struct connman_ipaddress *append_addr = NULL;
1790         const char *str, *privacy;
1791
1792         DBG("");
1793
1794         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1795                 return;
1796
1797         str = __connman_ipconfig_method2string(ipconfig->method);
1798         if (str == NULL)
1799                 return;
1800
1801         if (ipconfig_ipv4 != NULL &&
1802                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1803                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1804                         str = "6to4";
1805         }
1806
1807         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1808
1809         switch (ipconfig->method) {
1810         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1811         case CONNMAN_IPCONFIG_METHOD_OFF:
1812                 return;
1813
1814         case CONNMAN_IPCONFIG_METHOD_FIXED:
1815                 append_addr = ipconfig->address;
1816                 break;
1817
1818         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1819         case CONNMAN_IPCONFIG_METHOD_DHCP:
1820         case CONNMAN_IPCONFIG_METHOD_AUTO:
1821                 append_addr = ipconfig->system;
1822                 break;
1823         }
1824
1825         if (append_addr == NULL)
1826                 return;
1827
1828         if (append_addr->local != NULL) {
1829                 connman_dbus_dict_append_basic(iter, "Address",
1830                                 DBUS_TYPE_STRING, &append_addr->local);
1831                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1832                                                 DBUS_TYPE_BYTE,
1833                                                 &append_addr->prefixlen);
1834         }
1835
1836         if (append_addr->gateway != NULL)
1837                 connman_dbus_dict_append_basic(iter, "Gateway",
1838                                 DBUS_TYPE_STRING, &append_addr->gateway);
1839
1840         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1841         connman_dbus_dict_append_basic(iter, "Privacy",
1842                                 DBUS_TYPE_STRING, &privacy);
1843 }
1844
1845 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1846                                                         DBusMessageIter *iter)
1847 {
1848         const char *str, *privacy;
1849
1850         DBG("");
1851
1852         str = __connman_ipconfig_method2string(ipconfig->method);
1853         if (str == NULL)
1854                 return;
1855
1856         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1857
1858         switch (ipconfig->method) {
1859         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1860         case CONNMAN_IPCONFIG_METHOD_OFF:
1861         case CONNMAN_IPCONFIG_METHOD_DHCP:
1862                 return;
1863         case CONNMAN_IPCONFIG_METHOD_FIXED:
1864         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1865         case CONNMAN_IPCONFIG_METHOD_AUTO:
1866                 break;
1867         }
1868
1869         if (ipconfig->address == NULL)
1870                 return;
1871
1872         if (ipconfig->address->local != NULL) {
1873                 connman_dbus_dict_append_basic(iter, "Address",
1874                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1875                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1876                                                 DBUS_TYPE_BYTE,
1877                                                 &ipconfig->address->prefixlen);
1878         }
1879
1880         if (ipconfig->address->gateway != NULL)
1881                 connman_dbus_dict_append_basic(iter, "Gateway",
1882                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1883
1884         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1885         connman_dbus_dict_append_basic(iter, "Privacy",
1886                                 DBUS_TYPE_STRING, &privacy);
1887 }
1888
1889 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1890                                                         DBusMessageIter *iter)
1891 {
1892         const char *str;
1893
1894         DBG("");
1895
1896         str = __connman_ipconfig_method2string(ipconfig->method);
1897         if (str == NULL)
1898                 return;
1899
1900         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1901
1902         switch (ipconfig->method) {
1903         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1904         case CONNMAN_IPCONFIG_METHOD_OFF:
1905         case CONNMAN_IPCONFIG_METHOD_DHCP:
1906         case CONNMAN_IPCONFIG_METHOD_AUTO:
1907                 return;
1908         case CONNMAN_IPCONFIG_METHOD_FIXED:
1909         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1910                 break;
1911         }
1912
1913         if (ipconfig->address == NULL)
1914                 return;
1915
1916         if (ipconfig->address->local != NULL) {
1917                 in_addr_t addr;
1918                 struct in_addr netmask;
1919                 char *mask;
1920
1921                 connman_dbus_dict_append_basic(iter, "Address",
1922                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1923
1924                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1925                 netmask.s_addr = htonl(addr);
1926                 mask = inet_ntoa(netmask);
1927                 connman_dbus_dict_append_basic(iter, "Netmask",
1928                                                 DBUS_TYPE_STRING, &mask);
1929         }
1930
1931         if (ipconfig->address->gateway != NULL)
1932                 connman_dbus_dict_append_basic(iter, "Gateway",
1933                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1934 }
1935
1936 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1937                                                         DBusMessageIter *array)
1938 {
1939         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1940         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1941                 *privacy_string = NULL;
1942         int prefix_length = 0, privacy = 0;
1943         DBusMessageIter dict;
1944
1945         DBG("ipconfig %p", ipconfig);
1946
1947         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1948                 return -EINVAL;
1949
1950         dbus_message_iter_recurse(array, &dict);
1951
1952         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1953                 DBusMessageIter entry, value;
1954                 const char *key;
1955                 int type;
1956
1957                 dbus_message_iter_recurse(&dict, &entry);
1958
1959                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1960                         return -EINVAL;
1961
1962                 dbus_message_iter_get_basic(&entry, &key);
1963                 dbus_message_iter_next(&entry);
1964
1965                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
1966                         return -EINVAL;
1967
1968                 dbus_message_iter_recurse(&entry, &value);
1969
1970                 type = dbus_message_iter_get_arg_type(&value);
1971
1972                 if (g_str_equal(key, "Method") == TRUE) {
1973                         const char *str;
1974
1975                         if (type != DBUS_TYPE_STRING)
1976                                 return -EINVAL;
1977
1978                         dbus_message_iter_get_basic(&value, &str);
1979                         method = __connman_ipconfig_string2method(str);
1980                 } else if (g_str_equal(key, "Address") == TRUE) {
1981                         if (type != DBUS_TYPE_STRING)
1982                                 return -EINVAL;
1983
1984                         dbus_message_iter_get_basic(&value, &address);
1985                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1986                         if (type != DBUS_TYPE_BYTE)
1987                                 return -EINVAL;
1988
1989                         dbus_message_iter_get_basic(&value, &prefix_length);
1990
1991                         if (prefix_length < 0 || prefix_length > 128)
1992                                 return -EINVAL;
1993                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1994                         if (type != DBUS_TYPE_STRING)
1995                                 return -EINVAL;
1996
1997                         dbus_message_iter_get_basic(&value, &netmask);
1998                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1999                         if (type != DBUS_TYPE_STRING)
2000                                 return -EINVAL;
2001
2002                         dbus_message_iter_get_basic(&value, &gateway);
2003                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2004                         if (type != DBUS_TYPE_STRING)
2005                                 return -EINVAL;
2006
2007                         dbus_message_iter_get_basic(&value, &privacy_string);
2008                         privacy = string2privacy(privacy_string);
2009                 }
2010
2011                 dbus_message_iter_next(&dict);
2012         }
2013
2014         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2015                 "privacy %s",
2016                 method, address, netmask, gateway, prefix_length,
2017                 privacy_string);
2018
2019         switch (method) {
2020         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2021         case CONNMAN_IPCONFIG_METHOD_FIXED:
2022                 return -EINVAL;
2023
2024         case CONNMAN_IPCONFIG_METHOD_OFF:
2025                 ipconfig->method = method;
2026                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2027                         disable_ipv6(ipconfig);
2028                 break;
2029
2030         case CONNMAN_IPCONFIG_METHOD_AUTO:
2031                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2032                         return -EINVAL;
2033
2034                 ipconfig->method = method;
2035                 if (privacy_string != NULL)
2036                         ipconfig->ipv6_privacy_config = privacy;
2037                 enable_ipv6(ipconfig);
2038                 break;
2039
2040         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2041                 if (address == NULL)
2042                         return -EINVAL;
2043
2044                 ipconfig->method = method;
2045
2046                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2047                         connman_ipaddress_set_ipv4(ipconfig->address,
2048                                                 address, netmask, gateway);
2049                 else
2050                         return connman_ipaddress_set_ipv6(
2051                                         ipconfig->address, address,
2052                                                 prefix_length, gateway);
2053                 break;
2054
2055         case CONNMAN_IPCONFIG_METHOD_DHCP:
2056                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2057                         return -EOPNOTSUPP;
2058
2059                 ipconfig->method = method;
2060                 break;
2061         }
2062
2063         return 0;
2064 }
2065
2066 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2067                                                         DBusMessageIter *iter)
2068 {
2069         struct connman_ipdevice *ipdevice;
2070         const char *method = "auto";
2071
2072         connman_dbus_dict_append_basic(iter, "Method",
2073                                                 DBUS_TYPE_STRING, &method);
2074
2075         ipdevice = g_hash_table_lookup(ipdevice_hash,
2076                                         GINT_TO_POINTER(ipconfig->index));
2077         if (ipdevice == NULL)
2078                 return;
2079
2080         if (ipdevice->ifname != NULL)
2081                 connman_dbus_dict_append_basic(iter, "Interface",
2082                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2083
2084         if (ipdevice->address != NULL)
2085                 connman_dbus_dict_append_basic(iter, "Address",
2086                                         DBUS_TYPE_STRING, &ipdevice->address);
2087
2088         if (ipdevice->mtu > 0)
2089                 connman_dbus_dict_append_basic(iter, "MTU",
2090                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2091 }
2092
2093 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2094                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2095 {
2096         char *method;
2097         char *key;
2098         char *str;
2099
2100         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2101
2102         key = g_strdup_printf("%smethod", prefix);
2103         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2104         if (method == NULL) {
2105                 switch (ipconfig->type) {
2106                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2107                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2108                         break;
2109                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2110                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2111                         break;
2112                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2113                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2114                         break;
2115                 }
2116         } else
2117                 ipconfig->method = __connman_ipconfig_string2method(method);
2118
2119         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2120                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2121
2122         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2123                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2124                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2125                         char *privacy;
2126                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2127                         privacy = g_key_file_get_string(keyfile, identifier,
2128                                                         pprefix, NULL);
2129                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2130                         g_free(pprefix);
2131                         g_free(privacy);
2132                 }
2133         }
2134
2135         g_free(method);
2136         g_free(key);
2137
2138         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2139         ipconfig->address->prefixlen = g_key_file_get_integer(
2140                                 keyfile, identifier, key, NULL);
2141         g_free(key);
2142
2143         key = g_strdup_printf("%slocal_address", prefix);
2144         ipconfig->address->local = g_key_file_get_string(
2145                         keyfile, identifier, key, NULL);
2146         g_free(key);
2147
2148         key = g_strdup_printf("%speer_address", prefix);
2149         ipconfig->address->peer = g_key_file_get_string(
2150                                 keyfile, identifier, key, NULL);
2151         g_free(key);
2152
2153         key = g_strdup_printf("%sbroadcast_address", prefix);
2154         ipconfig->address->broadcast = g_key_file_get_string(
2155                                 keyfile, identifier, key, NULL);
2156         g_free(key);
2157
2158         key = g_strdup_printf("%sgateway", prefix);
2159         ipconfig->address->gateway = g_key_file_get_string(
2160                                 keyfile, identifier, key, NULL);
2161         g_free(key);
2162
2163         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2164         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2165         if (str != NULL) {
2166                 g_free(ipconfig->last_dhcp_address);
2167                 ipconfig->last_dhcp_address = str;
2168         }
2169         g_free(key);
2170
2171         return 0;
2172 }
2173
2174 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2175                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2176 {
2177         const char *method;
2178         char *key;
2179
2180         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2181
2182         method = __connman_ipconfig_method2string(ipconfig->method);
2183
2184         key = g_strdup_printf("%smethod", prefix);
2185         g_key_file_set_string(keyfile, identifier, key, method);
2186         g_free(key);
2187
2188         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2189                 const char *privacy;
2190                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2191                 key = g_strdup_printf("%sprivacy", prefix);
2192                 g_key_file_set_string(keyfile, identifier, key, privacy);
2193                 g_free(key);
2194         }
2195
2196         switch (ipconfig->method) {
2197         case CONNMAN_IPCONFIG_METHOD_FIXED:
2198         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2199                 break;
2200         case CONNMAN_IPCONFIG_METHOD_DHCP:
2201                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2202                 if (ipconfig->last_dhcp_address != NULL &&
2203                                 strlen(ipconfig->last_dhcp_address) > 0)
2204                         g_key_file_set_string(keyfile, identifier, key,
2205                                         ipconfig->last_dhcp_address);
2206                 else
2207                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2208                 g_free(key);
2209                 /* fall through */
2210         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2211         case CONNMAN_IPCONFIG_METHOD_OFF:
2212         case CONNMAN_IPCONFIG_METHOD_AUTO:
2213                 return 0;
2214         }
2215
2216         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2217         if (ipconfig->address->prefixlen != 0)
2218                 g_key_file_set_integer(keyfile, identifier,
2219                                 key, ipconfig->address->prefixlen);
2220         g_free(key);
2221
2222         key = g_strdup_printf("%slocal_address", prefix);
2223         if (ipconfig->address->local != NULL)
2224                 g_key_file_set_string(keyfile, identifier,
2225                                 key, ipconfig->address->local);
2226         g_free(key);
2227
2228         key = g_strdup_printf("%speer_address", prefix);
2229         if (ipconfig->address->peer != NULL)
2230                 g_key_file_set_string(keyfile, identifier,
2231                                 key, ipconfig->address->peer);
2232         g_free(key);
2233
2234         key = g_strdup_printf("%sbroadcast_address", prefix);
2235         if (ipconfig->address->broadcast != NULL)
2236                 g_key_file_set_string(keyfile, identifier,
2237                         key, ipconfig->address->broadcast);
2238         g_free(key);
2239
2240         key = g_strdup_printf("%sgateway", prefix);
2241         if (ipconfig->address->gateway != NULL)
2242                 g_key_file_set_string(keyfile, identifier,
2243                         key, ipconfig->address->gateway);
2244         g_free(key);
2245
2246         return 0;
2247 }
2248
2249 int __connman_ipconfig_init(void)
2250 {
2251         DBG("");
2252
2253         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2254                                                         NULL, free_ipdevice);
2255
2256         is_ipv6_supported = connman_inet_is_ipv6_supported();
2257
2258         return 0;
2259 }
2260
2261 void __connman_ipconfig_cleanup(void)
2262 {
2263         DBG("");
2264
2265         g_hash_table_destroy(ipdevice_hash);
2266         ipdevice_hash = NULL;
2267 }