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
  40 #include "connman.h"
  41
  42 struct connman_ipconfig {
  43         int refcount;
  44         int index;
  45         enum connman_ipconfig_type type;
  46
  47         struct connman_ipconfig *origin;
  48
  49         const struct connman_ipconfig_ops *ops;
  50         void *ops_data;
  51
  52         connman_bool_t enabled;
  53         enum connman_ipconfig_method method;
  54         struct connman_ipaddress *address;
  55         struct connman_ipaddress *system;
  56
  57         int ipv6_privacy_config;
  58         char *last_dhcp_address;
  59 };
  60
  61 struct connman_ipdevice {
  62         int index;
  63         char *ifname;
  64         unsigned short type;
  65         unsigned int flags;
  66         char *address;
  67         uint16_t mtu;
  68         uint32_t rx_packets;
  69         uint32_t tx_packets;
  70         uint32_t rx_bytes;
  71         uint32_t tx_bytes;
  72         uint32_t rx_errors;
  73         uint32_t tx_errors;
  74         uint32_t rx_dropped;
  75         uint32_t tx_dropped;
  76
  77         GSList *address_list;
  78         char *ipv4_gateway;
  79         char *ipv6_gateway;
  80
  81         char *pac;
  82
  83         struct connman_ipconfig *config_ipv4;
  84         struct connman_ipconfig *config_ipv6;
  85
  86         gboolean ipv6_enabled;
  87         int ipv6_privacy;
  88 };
  89
  90 static GHashTable *ipdevice_hash = NULL;
  91 static GList *ipconfig_list = NULL;
  92
  93 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  94 {
  95         struct connman_ipaddress *ipaddress;
  96
  97         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  98         if (ipaddress == NULL)
  99                 return NULL;
 100
 101         ipaddress->family = family;
 102         ipaddress->prefixlen = 0;
 103         ipaddress->local = NULL;
 104         ipaddress->peer = NULL;
 105         ipaddress->broadcast = NULL;
 106         ipaddress->gateway = NULL;
 107
 108         return ipaddress;
 109 }
 110
 111 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 112 {
 113         if (ipaddress == NULL)
 114                 return;
 115
 116         g_free(ipaddress->broadcast);
 117         g_free(ipaddress->peer);
 118         g_free(ipaddress->local);
 119         g_free(ipaddress->gateway);
 120         g_free(ipaddress);
 121 }
 122
 123 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 124 {
 125         unsigned char bits;
 126         in_addr_t mask;
 127         in_addr_t host;
 128
 129         if (netmask == NULL)
 130                 return 32;
 131
 132         mask = inet_network(netmask);
 133         host = ~mask;
 134
 135         /* a valid netmask must be 2^n - 1 */
 136         if ((host & (host + 1)) != 0)
 137                 return -1;
 138
 139         bits = 0;
 140         for (; mask; mask <<= 1)
 141                 ++bits;
 142
 143         return bits;
 144 }
 145
 146 static gboolean check_ipv6_address(const char *address)
 147 {
 148         unsigned char buf[sizeof(struct in6_addr)];
 149         int err;
 150
 151         if (address == NULL)
 152                 return FALSE;
 153
 154         err = inet_pton(AF_INET6, address, buf);
 155         if (err > 0)
 156                 return TRUE;
 157
 158         return FALSE;
 159 }
 160
 161 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 162                                 const char *address,
 163                                 unsigned char prefix_length,
 164                                 const char *gateway)
 165 {
 166         if (ipaddress == NULL)
 167                 return -EINVAL;
 168
 169         if (check_ipv6_address(address) == FALSE)
 170                 return -EINVAL;
 171
 172         if (check_ipv6_address(gateway) == FALSE)
 173                 return -EINVAL;
 174
 175         DBG("prefix_len %d address %s gateway %s",
 176                         prefix_length, address, gateway);
 177
 178         ipaddress->family = AF_INET6;
 179
 180         ipaddress->prefixlen = prefix_length;
 181
 182         g_free(ipaddress->local);
 183         ipaddress->local = g_strdup(address);
 184
 185         g_free(ipaddress->gateway);
 186         ipaddress->gateway = g_strdup(gateway);
 187
 188         return 0;
 189 }
 190
 191 int connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 192                 const char *address, const char *netmask, const char *gateway)
 193 {
 194         if (ipaddress == NULL)
 195                 return -EINVAL;
 196
 197         ipaddress->family = AF_INET;
 198
 199         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 200
 201         g_free(ipaddress->local);
 202         ipaddress->local = g_strdup(address);
 203
 204         g_free(ipaddress->gateway);
 205         ipaddress->gateway = g_strdup(gateway);
 206
 207         return 0;
 208 }
 209
 210 void connman_ipaddress_set_peer(struct connman_ipaddress *ipaddress,
 211                                 const char *peer)
 212 {
 213         if (ipaddress == NULL)
 214                 return;
 215
 216         g_free(ipaddress->peer);
 217         ipaddress->peer = g_strdup(peer);
 218 }
 219
 220 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 221 {
 222         if (ipaddress == NULL)
 223                 return;
 224
 225         ipaddress->prefixlen = 0;
 226
 227         g_free(ipaddress->local);
 228         ipaddress->local = NULL;
 229
 230         g_free(ipaddress->peer);
 231         ipaddress->peer = NULL;
 232
 233         g_free(ipaddress->broadcast);
 234         ipaddress->broadcast = NULL;
 235
 236         g_free(ipaddress->gateway);
 237         ipaddress->gateway = NULL;
 238 }
 239
 240 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 241                                         struct connman_ipaddress *source)
 242 {
 243         if (ipaddress == NULL || source == NULL)
 244                 return;
 245
 246         ipaddress->family = source->family;
 247         ipaddress->prefixlen = source->prefixlen;
 248
 249         g_free(ipaddress->local);
 250         ipaddress->local = g_strdup(source->local);
 251
 252         g_free(ipaddress->peer);
 253         ipaddress->peer = g_strdup(source->peer);
 254
 255         g_free(ipaddress->broadcast);
 256         ipaddress->broadcast = g_strdup(source->broadcast);
 257
 258         g_free(ipaddress->gateway);
 259         ipaddress->gateway = g_strdup(source->gateway);
 260 }
 261
 262 static void free_address_list(struct connman_ipdevice *ipdevice)
 263 {
 264         GSList *list;
 265
 266         for (list = ipdevice->address_list; list; list = list->next) {
 267                 struct connman_ipaddress *ipaddress = list->data;
 268
 269                 connman_ipaddress_free(ipaddress);
 270                 list->data = NULL;
 271         }
 272
 273         g_slist_free(ipdevice->address_list);
 274         ipdevice->address_list = NULL;
 275 }
 276
 277 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 278                                 unsigned char prefixlen, const char *local)
 279 {
 280         GSList *list;
 281
 282         for (list = ipdevice->address_list; list; list = list->next) {
 283                 struct connman_ipaddress *ipaddress = list->data;
 284
 285                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 286                                         ipaddress->prefixlen == prefixlen)
 287                         return ipaddress;
 288         }
 289
 290         return NULL;
 291 }
 292
 293 const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
 294 {
 295         switch (type) {
 296         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 297                 return "unknown";
 298         case CONNMAN_IPCONFIG_TYPE_IPV4:
 299                 return "IPv4";
 300         case CONNMAN_IPCONFIG_TYPE_IPV6:
 301                 return "IPv6";
 302         }
 303
 304         return NULL;
 305 }
 306
 307 static const char *type2str(unsigned short type)
 308 {
 309         switch (type) {
 310         case ARPHRD_ETHER:
 311                 return "ETHER";
 312         case ARPHRD_LOOPBACK:
 313                 return "LOOPBACK";
 314         case ARPHRD_PPP:
 315                 return "PPP";
 316         case ARPHRD_NONE:
 317                 return "NONE";
 318         case ARPHRD_VOID:
 319                 return "VOID";
 320         }
 321
 322         return "";
 323 }
 324
 325 static const char *scope2str(unsigned char scope)
 326 {
 327         switch (scope) {
 328         case 0:
 329                 return "UNIVERSE";
 330         case 253:
 331                 return "LINK";
 332         }
 333
 334         return "";
 335 }
 336
 337 static gboolean get_ipv6_state(gchar *ifname)
 338 {
 339         int disabled;
 340         gchar *path;
 341         FILE *f;
 342         gboolean enabled = FALSE;
 343
 344         if (ifname == NULL)
 345                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 346         else
 347                 path = g_strdup_printf(
 348                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 349
 350         if (path == NULL)
 351                 return enabled;
 352
 353         f = fopen(path, "r");
 354
 355         g_free(path);
 356
 357         if (f != NULL) {
 358                 if (fscanf(f, "%d", &disabled) > 0)
 359                         enabled = !disabled;
 360                 fclose(f);
 361         }
 362
 363         return enabled;
 364 }
 365
 366 static void set_ipv6_state(gchar *ifname, gboolean enable)
 367 {
 368         gchar *path;
 369         FILE *f;
 370
 371         if (ifname == NULL)
 372                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 373         else
 374                 path = g_strdup_printf(
 375                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 376
 377         if (path == NULL)
 378                 return;
 379
 380         f = fopen(path, "r+");
 381
 382         g_free(path);
 383
 384         if (f == NULL)
 385                 return;
 386
 387         if (enable == FALSE)
 388                 fprintf(f, "1");
 389         else
 390                 fprintf(f, "0");
 391
 392         fclose(f);
 393 }
 394
 395 static int get_ipv6_privacy(gchar *ifname)
 396 {
 397         gchar *path;
 398         FILE *f;
 399         int value;
 400
 401         if (ifname == NULL)
 402                 return 0;
 403
 404         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 405                                                                 ifname);
 406
 407         if (path == NULL)
 408                 return 0;
 409
 410         f = fopen(path, "r");
 411
 412         g_free(path);
 413
 414         if (f == NULL)
 415                 return 0;
 416
 417         if (fscanf(f, "%d", &value) <= 0)
 418                 value = 0;
 419
 420         fclose(f);
 421
 422         return value;
 423 }
 424
 425 /* Enable the IPv6 privacy extension for stateless address autoconfiguration.
 426  * The privacy extension is described in RFC 3041 and RFC 4941
 427  */
 428 static void set_ipv6_privacy(gchar *ifname, int value)
 429 {
 430         gchar *path;
 431         FILE *f;
 432
 433         if (ifname == NULL)
 434                 return;
 435
 436         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 437                                                                 ifname);
 438
 439         if (path == NULL)
 440                 return;
 441
 442         if (value < 0)
 443                 value = 0;
 444
 445         f = fopen(path, "r+");
 446
 447         g_free(path);
 448
 449         if (f == NULL)
 450                 return;
 451
 452         fprintf(f, "%d", value);
 453         fclose(f);
 454 }
 455
 456 static int get_rp_filter()
 457 {
 458         FILE *f;
 459         int value = -EINVAL, tmp;
 460
 461         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
 462
 463         if (f != NULL) {
 464                 if (fscanf(f, "%d", &tmp) == 1)
 465                         value = tmp;
 466                 fclose(f);
 467         }
 468
 469         return value;
 470 }
 471
 472 static void set_rp_filter(int value)
 473 {
 474         FILE *f;
 475
 476         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 477
 478         if (f == NULL)
 479                 return;
 480
 481         fprintf(f, "%d", value);
 482
 483         fclose(f);
 484 }
 485
 486 int __connman_ipconfig_set_rp_filter()
 487 {
 488         int value;
 489
 490         value = get_rp_filter();
 491
 492         if (value < 0)
 493                 return value;
 494
 495         set_rp_filter(2);
 496
 497         connman_info("rp_filter set to 2 (loose mode routing), "
 498                         "old value was %d", value);
 499
 500         return value;
 501 }
 502
 503 void __connman_ipconfig_unset_rp_filter(int old_value)
 504 {
 505         set_rp_filter(old_value);
 506
 507         connman_info("rp_filter restored to %d", old_value);
 508 }
 509
 510 gboolean __connman_ipconfig_ipv6_privacy_enabled(struct connman_ipconfig *ipconfig)
 511 {
 512         if (ipconfig == NULL)
 513                 return FALSE;
 514
 515         return ipconfig->ipv6_privacy_config == 0 ? FALSE : TRUE;
 516 }
 517
 518 static void free_ipdevice(gpointer data)
 519 {
 520         struct connman_ipdevice *ipdevice = data;
 521
 522         connman_info("%s {remove} index %d", ipdevice->ifname,
 523                                                         ipdevice->index);
 524
 525         if (ipdevice->config_ipv4 != NULL) {
 526                 __connman_ipconfig_unref(ipdevice->config_ipv4);
 527                 ipdevice->config_ipv4 = NULL;
 528         }
 529
 530         if (ipdevice->config_ipv6 != NULL) {
 531                 __connman_ipconfig_unref(ipdevice->config_ipv6);
 532                 ipdevice->config_ipv6 = NULL;
 533         }
 534
 535         free_address_list(ipdevice);
 536         g_free(ipdevice->ipv4_gateway);
 537         g_free(ipdevice->ipv6_gateway);
 538         g_free(ipdevice->pac);
 539
 540         g_free(ipdevice->address);
 541
 542         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 543         set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
 544
 545         g_free(ipdevice->ifname);
 546         g_free(ipdevice);
 547 }
 548
 549 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 550 {
 551         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 552                                         ipdevice->config_ipv6);
 553
 554         if (ipdevice->config_ipv6 != NULL &&
 555                         ipdevice->config_ipv6->enabled == TRUE)
 556                 return;
 557
 558         if (__connman_device_isfiltered(ipdevice->ifname) == FALSE) {
 559                 ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 560                 set_ipv6_state(ipdevice->ifname, FALSE);
 561         }
 562 }
 563
 564 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 565 {
 566         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 567                                         ipdevice->config_ipv6);
 568
 569         if (ipdevice->config_ipv4)
 570                 connman_inet_clear_address(ipdevice->index,
 571                                         ipdevice->config_ipv4->address);
 572
 573         if (ipdevice->config_ipv6)
 574                 connman_inet_clear_ipv6_address(ipdevice->index,
 575                                 ipdevice->config_ipv6->address->local,
 576                                 ipdevice->config_ipv6->address->prefixlen);
 577 }
 578
 579 static void update_stats(struct connman_ipdevice *ipdevice,
 580                                                 struct rtnl_link_stats *stats)
 581 {
 582         struct connman_service *service;
 583
 584         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 585                 return;
 586
 587         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 588                                         stats->rx_packets, stats->rx_bytes);
 589         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 590                                         stats->tx_packets, stats->tx_bytes);
 591
 592         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 593                 return;
 594
 595         if (ipdevice->config_ipv4)
 596                 service = __connman_ipconfig_get_data(ipdevice->config_ipv4);
 597         else if (ipdevice->config_ipv6)
 598                 service = __connman_ipconfig_get_data(ipdevice->config_ipv6);
 599         else
 600                 return;
 601
 602         if (service == NULL)
 603                 return;
 604
 605         ipdevice->rx_packets = stats->rx_packets;
 606         ipdevice->tx_packets = stats->tx_packets;
 607         ipdevice->rx_bytes = stats->rx_bytes;
 608         ipdevice->tx_bytes = stats->tx_bytes;
 609         ipdevice->rx_errors = stats->rx_errors;
 610         ipdevice->tx_errors = stats->tx_errors;
 611         ipdevice->rx_dropped = stats->rx_dropped;
 612         ipdevice->tx_dropped = stats->tx_dropped;
 613
 614         __connman_service_notify(service,
 615                                 ipdevice->rx_packets, ipdevice->tx_packets,
 616                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 617                                 ipdevice->rx_errors, ipdevice->tx_errors,
 618                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 619 }
 620
 621 void __connman_ipconfig_newlink(int index, unsigned short type,
 622                                 unsigned int flags, const char *address,
 623                                                         unsigned short mtu,
 624                                                 struct rtnl_link_stats *stats)
 625 {
 626         struct connman_ipdevice *ipdevice;
 627         GList *list;
 628         GString *str;
 629         gboolean up = FALSE, down = FALSE;
 630         gboolean lower_up = FALSE, lower_down = FALSE;
 631
 632         DBG("index %d", index);
 633
 634         if (type == ARPHRD_LOOPBACK)
 635                 return;
 636
 637         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 638         if (ipdevice != NULL)
 639                 goto update;
 640
 641         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 642         if (ipdevice == NULL)
 643                 return;
 644
 645         ipdevice->index = index;
 646         ipdevice->ifname = connman_inet_ifname(index);
 647         ipdevice->type = type;
 648
 649         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 650         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 651
 652         ipdevice->address = g_strdup(address);
 653
 654         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 655
 656         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 657                                                 index, type, type2str(type));
 658
 659 update:
 660         ipdevice->mtu = mtu;
 661
 662         update_stats(ipdevice, stats);
 663
 664         if (flags == ipdevice->flags)
 665                 return;
 666
 667         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 668                 if (flags & IFF_UP)
 669                         up = TRUE;
 670                 else
 671                         down = TRUE;
 672         }
 673
 674         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 675                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 676                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 677                                         (IFF_RUNNING | IFF_LOWER_UP))
 678                         lower_up = TRUE;
 679                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 680                         lower_down = TRUE;
 681         }
 682
 683         ipdevice->flags = flags;
 684
 685         str = g_string_new(NULL);
 686         if (str == NULL)
 687                 return;
 688
 689         if (flags & IFF_UP)
 690                 g_string_append(str, "UP");
 691         else
 692                 g_string_append(str, "DOWN");
 693
 694         if (flags & IFF_RUNNING)
 695                 g_string_append(str, ",RUNNING");
 696
 697         if (flags & IFF_LOWER_UP)
 698                 g_string_append(str, ",LOWER_UP");
 699
 700         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 701                                                         flags, str->str);
 702
 703         g_string_free(str, TRUE);
 704
 705         for (list = g_list_first(ipconfig_list); list;
 706                                                 list = g_list_next(list)) {
 707                 struct connman_ipconfig *ipconfig = list->data;
 708
 709                 if (index != ipconfig->index)
 710                         continue;
 711
 712                 if (ipconfig->ops == NULL)
 713                         continue;
 714
 715                 if (up == TRUE && ipconfig->ops->up)
 716                         ipconfig->ops->up(ipconfig);
 717                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 718                         ipconfig->ops->lower_up(ipconfig);
 719
 720                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 721                         ipconfig->ops->lower_down(ipconfig);
 722                 if (down == TRUE && ipconfig->ops->down)
 723                         ipconfig->ops->down(ipconfig);
 724         }
 725
 726         if (lower_up)
 727                 __connman_ipconfig_lower_up(ipdevice);
 728         if (lower_down)
 729                 __connman_ipconfig_lower_down(ipdevice);
 730 }
 731
 732 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 733 {
 734         struct connman_ipdevice *ipdevice;
 735         GList *list;
 736
 737         DBG("index %d", index);
 738
 739         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 740         if (ipdevice == NULL)
 741                 return;
 742
 743         update_stats(ipdevice, stats);
 744
 745         for (list = g_list_first(ipconfig_list); list;
 746                                                 list = g_list_next(list)) {
 747                 struct connman_ipconfig *ipconfig = list->data;
 748
 749                 if (index != ipconfig->index)
 750                         continue;
 751
 752                 ipconfig->index = -1;
 753
 754                 if (ipconfig->ops == NULL)
 755                         continue;
 756
 757                 if (ipconfig->ops->lower_down)
 758                         ipconfig->ops->lower_down(ipconfig);
 759                 if (ipconfig->ops->down)
 760                         ipconfig->ops->down(ipconfig);
 761         }
 762
 763         __connman_ipconfig_lower_down(ipdevice);
 764
 765         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 766 }
 767
 768 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 769 {
 770         const struct connman_ipaddress *addr1 = a;
 771         const struct connman_ipaddress *addr2 = b;
 772
 773         if (addr1->prefixlen != addr2->prefixlen)
 774                 return addr2->prefixlen - addr1->prefixlen;
 775
 776         return g_strcmp0(addr1->local, addr2->local);
 777 }
 778
 779 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 780                                 unsigned char prefixlen, const char *address)
 781 {
 782         struct connman_ipdevice *ipdevice;
 783         struct connman_ipaddress *ipaddress;
 784         enum connman_ipconfig_type type;
 785         GList *list;
 786
 787         DBG("index %d", index);
 788
 789         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 790         if (ipdevice == NULL)
 791                 return;
 792
 793         ipaddress = connman_ipaddress_alloc(family);
 794         if (ipaddress == NULL)
 795                 return;
 796
 797         ipaddress->prefixlen = prefixlen;
 798         ipaddress->local = g_strdup(address);
 799
 800         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 801                                         check_duplicate_address)) {
 802                 connman_ipaddress_free(ipaddress);
 803                 return;
 804         }
 805
 806         if (family == AF_INET)
 807                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 808         else if (family == AF_INET6)
 809                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 810         else
 811                 return;
 812
 813         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 814                                                                 ipaddress);
 815
 816         connman_info("%s {add} address %s/%u label %s family %d",
 817                 ipdevice->ifname, address, prefixlen, label, family);
 818
 819         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 820                 __connman_ippool_newaddr(index, address, prefixlen);
 821
 822         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 823                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 824                                         ipaddress);
 825
 826         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 827                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 828                                         ipaddress);
 829         else
 830                 return;
 831
 832         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 833                 return;
 834
 835         for (list = g_list_first(ipconfig_list); list;
 836                                                 list = g_list_next(list)) {
 837                 struct connman_ipconfig *ipconfig = list->data;
 838
 839                 if (index != ipconfig->index)
 840                         continue;
 841
 842                 if (type != ipconfig->type)
 843                         continue;
 844
 845                 if (ipconfig->ops == NULL)
 846                         continue;
 847
 848                 if (ipconfig->ops->ip_bound)
 849                         ipconfig->ops->ip_bound(ipconfig);
 850         }
 851 }
 852
 853 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 854                                 unsigned char prefixlen, const char *address)
 855 {
 856         struct connman_ipdevice *ipdevice;
 857         struct connman_ipaddress *ipaddress;
 858         enum connman_ipconfig_type type;
 859         GList *list;
 860
 861         DBG("index %d", index);
 862
 863         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 864         if (ipdevice == NULL)
 865                 return;
 866
 867         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 868         if (ipaddress == NULL)
 869                 return;
 870
 871         if (family == AF_INET)
 872                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 873         else if (family == AF_INET6)
 874                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 875         else
 876                 return;
 877
 878         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 879                                                                 ipaddress);
 880
 881         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 882                 __connman_ippool_deladdr(index, address, prefixlen);
 883
 884         connman_ipaddress_clear(ipaddress);
 885         g_free(ipaddress);
 886
 887         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 888                                                 address, prefixlen, label);
 889
 890         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 891                 return;
 892
 893         if (g_slist_length(ipdevice->address_list) > 0)
 894                 return;
 895
 896         for (list = g_list_first(ipconfig_list); list;
 897                                                 list = g_list_next(list)) {
 898                 struct connman_ipconfig *ipconfig = list->data;
 899
 900                 if (index != ipconfig->index)
 901                         continue;
 902
 903                 if (type != ipconfig->type)
 904                         continue;
 905
 906                 if (ipconfig->ops == NULL)
 907                         continue;
 908
 909                 if (ipconfig->ops->ip_release)
 910                         ipconfig->ops->ip_release(ipconfig);
 911         }
 912 }
 913
 914 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 915                                         const char *dst, const char *gateway)
 916 {
 917         struct connman_ipdevice *ipdevice;
 918
 919         DBG("index %d", index);
 920
 921         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 922         if (ipdevice == NULL)
 923                 return;
 924
 925         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 926                                                 g_strcmp0(dst, "::") == 0)) {
 927                 GList *config_list;
 928                 enum connman_ipconfig_type type;
 929
 930                 if (family == AF_INET6) {
 931                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 932                         g_free(ipdevice->ipv6_gateway);
 933                         ipdevice->ipv6_gateway = g_strdup(gateway);
 934
 935                         if (ipdevice->config_ipv6 != NULL &&
 936                                 ipdevice->config_ipv6->system != NULL) {
 937                                 g_free(ipdevice->config_ipv6->system->gateway);
 938                                 ipdevice->config_ipv6->system->gateway =
 939                                         g_strdup(gateway);
 940                         }
 941                 } else if (family == AF_INET) {
 942                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 943                         g_free(ipdevice->ipv4_gateway);
 944                         ipdevice->ipv4_gateway = g_strdup(gateway);
 945
 946                         if (ipdevice->config_ipv4 != NULL &&
 947                                 ipdevice->config_ipv4->system != NULL) {
 948                                 g_free(ipdevice->config_ipv4->system->gateway);
 949                                 ipdevice->config_ipv4->system->gateway =
 950                                         g_strdup(gateway);
 951                         }
 952                 } else
 953                         return;
 954
 955                 for (config_list = g_list_first(ipconfig_list); config_list;
 956                                         config_list = g_list_next(config_list)) {
 957                         struct connman_ipconfig *ipconfig = config_list->data;
 958
 959                         if (index != ipconfig->index)
 960                                 continue;
 961
 962                         if (type != ipconfig->type)
 963                                 continue;
 964
 965                         if (ipconfig->ops == NULL)
 966                                 continue;
 967
 968                         if (ipconfig->ops->route_set)
 969                                 ipconfig->ops->route_set(ipconfig);
 970                 }
 971         }
 972
 973         connman_info("%s {add} route %s gw %s scope %u <%s>",
 974                                         ipdevice->ifname, dst, gateway,
 975                                                 scope, scope2str(scope));
 976 }
 977
 978 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 979                                         const char *dst, const char *gateway)
 980 {
 981         struct connman_ipdevice *ipdevice;
 982
 983         DBG("index %d", index);
 984
 985         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 986         if (ipdevice == NULL)
 987                 return;
 988
 989         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 990                                                 g_strcmp0(dst, "::") == 0)) {
 991                 GList *config_list;
 992                 enum connman_ipconfig_type type;
 993
 994                 if (family == AF_INET6) {
 995                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 996                         g_free(ipdevice->ipv6_gateway);
 997                         ipdevice->ipv6_gateway = NULL;
 998
 999                         if (ipdevice->config_ipv6 != NULL &&
1000                                 ipdevice->config_ipv6->system != NULL) {
1001                                 g_free(ipdevice->config_ipv6->system->gateway);
1002                                 ipdevice->config_ipv6->system->gateway = NULL;
1003                         }
1004                 } else if (family == AF_INET) {
1005                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
1006                         g_free(ipdevice->ipv4_gateway);
1007                         ipdevice->ipv4_gateway = NULL;
1008
1009                         if (ipdevice->config_ipv4 != NULL &&
1010                                 ipdevice->config_ipv4->system != NULL) {
1011                                 g_free(ipdevice->config_ipv4->system->gateway);
1012                                 ipdevice->config_ipv4->system->gateway = NULL;
1013                         }
1014                 } else
1015                         return;
1016
1017                 for (config_list = g_list_first(ipconfig_list); config_list;
1018                                         config_list = g_list_next(config_list)) {
1019                         struct connman_ipconfig *ipconfig = config_list->data;
1020
1021                         if (index != ipconfig->index)
1022                                 continue;
1023
1024                         if (type != ipconfig->type)
1025                                 continue;
1026
1027                         if (ipconfig->ops == NULL)
1028                                 continue;
1029
1030                         if (ipconfig->ops->route_unset)
1031                                 ipconfig->ops->route_unset(ipconfig);
1032                 }
1033         }
1034
1035         connman_info("%s {del} route %s gw %s scope %u <%s>",
1036                                         ipdevice->ifname, dst, gateway,
1037                                                 scope, scope2str(scope));
1038 }
1039
1040 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
1041                                                         void *user_data)
1042 {
1043         GList *list, *keys;
1044
1045         keys = g_hash_table_get_keys(ipdevice_hash);
1046         if (keys == NULL)
1047                 return;
1048
1049         for (list = g_list_first(keys); list; list = g_list_next(list)) {
1050                 int index = GPOINTER_TO_INT(list->data);
1051
1052                 function(index, user_data);
1053         }
1054
1055         g_list_free(keys);
1056 }
1057
1058 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
1059                                         struct connman_ipconfig *ipconfig)
1060 {
1061         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
1062 }
1063
1064 unsigned short __connman_ipconfig_get_type_from_index(int index)
1065 {
1066         struct connman_ipdevice *ipdevice;
1067
1068         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1069         if (ipdevice == NULL)
1070                 return ARPHRD_VOID;
1071
1072         return ipdevice->type;
1073 }
1074
1075 unsigned int __connman_ipconfig_get_flags_from_index(int index)
1076 {
1077         struct connman_ipdevice *ipdevice;
1078
1079         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1080         if (ipdevice == NULL)
1081                 return 0;
1082
1083         return ipdevice->flags;
1084 }
1085
1086 const char *__connman_ipconfig_get_gateway_from_index(int index,
1087         enum connman_ipconfig_type type)
1088 {
1089         struct connman_ipdevice *ipdevice;
1090
1091         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1092         if (ipdevice == NULL)
1093                 return NULL;
1094
1095         if (type != CONNMAN_IPCONFIG_TYPE_IPV6) {
1096                 if (ipdevice->ipv4_gateway != NULL)
1097                         return ipdevice->ipv4_gateway;
1098
1099                 if (ipdevice->config_ipv4 != NULL &&
1100                                 ipdevice->config_ipv4->address != NULL)
1101                         return ipdevice->config_ipv4->address->gateway;
1102         }
1103
1104         if (type != CONNMAN_IPCONFIG_TYPE_IPV4) {
1105                 if (ipdevice->ipv6_gateway != NULL)
1106                         return ipdevice->ipv6_gateway;
1107
1108                 if (ipdevice->config_ipv6 != NULL &&
1109                                 ipdevice->config_ipv6->address != NULL)
1110                         return ipdevice->config_ipv6->address->gateway;
1111         }
1112
1113         return NULL;
1114 }
1115
1116 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
1117 {
1118         ipconfig->index = index;
1119 }
1120
1121 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
1122 {
1123         if (ipconfig->address == NULL)
1124                 return NULL;
1125
1126         return ipconfig->address->local;
1127 }
1128
1129 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
1130 {
1131         if (ipconfig->address == NULL)
1132                 return;
1133
1134         g_free(ipconfig->address->local);
1135         ipconfig->address->local = g_strdup(address);
1136 }
1137
1138 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
1139 {
1140         if (ipconfig->address == NULL)
1141                 return NULL;
1142
1143         return ipconfig->address->peer;
1144 }
1145
1146 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
1147 {
1148         if (ipconfig->address == NULL)
1149                 return;
1150
1151         g_free(ipconfig->address->peer);
1152         ipconfig->address->peer = g_strdup(address);
1153 }
1154
1155 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1156 {
1157         if (ipconfig->address == NULL)
1158                 return NULL;
1159
1160         return ipconfig->address->broadcast;
1161 }
1162
1163 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1164 {
1165         if (ipconfig->address == NULL)
1166                 return;
1167
1168         g_free(ipconfig->address->broadcast);
1169         ipconfig->address->broadcast = g_strdup(broadcast);
1170 }
1171
1172 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1173 {
1174         if (ipconfig->address == NULL)
1175                 return NULL;
1176
1177         return ipconfig->address->gateway;
1178 }
1179
1180 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1181 {
1182         DBG("");
1183
1184         if (ipconfig->address == NULL)
1185                 return;
1186         g_free(ipconfig->address->gateway);
1187         ipconfig->address->gateway = g_strdup(gateway);
1188 }
1189
1190 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1191 {
1192         struct connman_service *service;
1193
1194         DBG("");
1195
1196         if (ipconfig->address == NULL)
1197                 return -EINVAL;
1198
1199         service = __connman_service_lookup_from_index(ipconfig->index);
1200         if (service == NULL)
1201                 return -EINVAL;
1202
1203         __connman_connection_gateway_remove(service, ipconfig->type);
1204
1205         DBG("type %d gw %s peer %s", ipconfig->type,
1206                 ipconfig->address->gateway, ipconfig->address->peer);
1207
1208         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1209                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1210                 return __connman_connection_gateway_add(service,
1211                                                 ipconfig->address->gateway,
1212                                                 ipconfig->type,
1213                                                 ipconfig->address->peer);
1214
1215         return 0;
1216 }
1217
1218 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1219 {
1220         struct connman_service *service;
1221
1222         DBG("");
1223
1224         service = __connman_service_lookup_from_index(ipconfig->index);
1225         if (service != NULL)
1226                 __connman_connection_gateway_remove(service, ipconfig->type);
1227 }
1228
1229 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1230 {
1231         if (ipconfig->address == NULL)
1232                 return 0;
1233
1234         return ipconfig->address->prefixlen;
1235 }
1236
1237 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1238 {
1239         if (ipconfig->address == NULL)
1240                 return;
1241
1242         ipconfig->address->prefixlen = prefixlen;
1243 }
1244
1245 static struct connman_ipconfig *create_ipv6config(int index)
1246 {
1247         struct connman_ipconfig *ipv6config;
1248         struct connman_ipdevice *ipdevice;
1249
1250         DBG("index %d", index);
1251
1252         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1253         if (ipv6config == NULL)
1254                 return NULL;
1255
1256         ipv6config->refcount = 1;
1257
1258         ipv6config->index = index;
1259         ipv6config->enabled = FALSE;
1260         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1261         ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1262
1263         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1264         if (ipdevice != NULL)
1265                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy;
1266
1267         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1268         if (ipv6config->address == NULL) {
1269                 g_free(ipv6config);
1270                 return NULL;
1271         }
1272
1273         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1274
1275         DBG("ipconfig %p", ipv6config);
1276
1277         return ipv6config;
1278 }
1279
1280 /**
1281  * connman_ipconfig_create:
1282  *
1283  * Allocate a new ipconfig structure.
1284  *
1285  * Returns: a newly-allocated #connman_ipconfig structure
1286  */
1287 struct connman_ipconfig *__connman_ipconfig_create(int index,
1288                                         enum connman_ipconfig_type type)
1289 {
1290         struct connman_ipconfig *ipconfig;
1291
1292         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1293                 return create_ipv6config(index);
1294
1295         DBG("index %d", index);
1296
1297         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1298         if (ipconfig == NULL)
1299                 return NULL;
1300
1301         ipconfig->refcount = 1;
1302
1303         ipconfig->index = index;
1304         ipconfig->enabled = FALSE;
1305         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1306
1307         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1308         if (ipconfig->address == NULL) {
1309                 g_free(ipconfig);
1310                 return NULL;
1311         }
1312
1313         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1314
1315         DBG("ipconfig %p", ipconfig);
1316
1317         return ipconfig;
1318 }
1319
1320
1321 /**
1322  * connman_ipconfig_ref:
1323  * @ipconfig: ipconfig structure
1324  *
1325  * Increase reference counter of ipconfig
1326  */
1327 struct connman_ipconfig *
1328 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1329                                 const char *file, int line, const char *caller)
1330 {
1331         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1332                 file, line, caller);
1333
1334         __sync_fetch_and_add(&ipconfig->refcount, 1);
1335
1336         return ipconfig;
1337 }
1338
1339 /**
1340  * connman_ipconfig_unref:
1341  * @ipconfig: ipconfig structure
1342  *
1343  * Decrease reference counter of ipconfig
1344  */
1345 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1346                                 const char *file, int line, const char *caller)
1347 {
1348         if (ipconfig == NULL)
1349                 return;
1350
1351         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1352                 file, line, caller);
1353
1354         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1355                 return;
1356
1357         if (__connman_ipconfig_disable(ipconfig) < 0)
1358                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1359
1360         __connman_ipconfig_set_ops(ipconfig, NULL);
1361
1362         if (ipconfig->origin != NULL && ipconfig->origin != ipconfig) {
1363                 __connman_ipconfig_unref(ipconfig->origin);
1364                 ipconfig->origin = NULL;
1365         }
1366
1367         connman_ipaddress_free(ipconfig->system);
1368         connman_ipaddress_free(ipconfig->address);
1369         g_free(ipconfig->last_dhcp_address);
1370         g_free(ipconfig);
1371 }
1372
1373 /**
1374  * connman_ipconfig_get_data:
1375  * @ipconfig: ipconfig structure
1376  *
1377  * Get private data pointer
1378  */
1379 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1380 {
1381         if (ipconfig == NULL)
1382                 return NULL;
1383
1384         return ipconfig->ops_data;
1385 }
1386
1387 /**
1388  * connman_ipconfig_set_data:
1389  * @ipconfig: ipconfig structure
1390  * @data: data pointer
1391  *
1392  * Set private data pointer
1393  */
1394 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1395 {
1396         ipconfig->ops_data = data;
1397 }
1398
1399 /**
1400  * connman_ipconfig_get_index:
1401  * @ipconfig: ipconfig structure
1402  *
1403  * Get interface index
1404  */
1405 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1406 {
1407         if (ipconfig == NULL)
1408                 return -1;
1409
1410         if (ipconfig->origin != NULL)
1411                 return ipconfig->origin->index;
1412
1413         return ipconfig->index;
1414 }
1415
1416 /**
1417  * connman_ipconfig_get_ifname:
1418  * @ipconfig: ipconfig structure
1419  *
1420  * Get interface name
1421  */
1422 const char *__connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1423 {
1424         struct connman_ipdevice *ipdevice;
1425
1426         if (ipconfig == NULL)
1427                 return NULL;
1428
1429         if (ipconfig->index < 0)
1430                 return NULL;
1431
1432         ipdevice = g_hash_table_lookup(ipdevice_hash,
1433                                         GINT_TO_POINTER(ipconfig->index));
1434         if (ipdevice == NULL)
1435                 return NULL;
1436
1437         return ipdevice->ifname;
1438 }
1439
1440 /**
1441  * connman_ipconfig_set_ops:
1442  * @ipconfig: ipconfig structure
1443  * @ops: operation callbacks
1444  *
1445  * Set the operation callbacks
1446  */
1447 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1448                                 const struct connman_ipconfig_ops *ops)
1449 {
1450         ipconfig->ops = ops;
1451 }
1452
1453 /**
1454  * connman_ipconfig_set_method:
1455  * @ipconfig: ipconfig structure
1456  * @method: configuration method
1457  *
1458  * Set the configuration method
1459  */
1460 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1461                                         enum connman_ipconfig_method method)
1462 {
1463         ipconfig->method = method;
1464
1465         return 0;
1466 }
1467
1468 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1469 {
1470         if (ipconfig == NULL)
1471                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1472
1473         return ipconfig->method;
1474 }
1475
1476 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1477 {
1478         DBG("");
1479
1480         switch (ipconfig->method) {
1481         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1482         case CONNMAN_IPCONFIG_METHOD_OFF:
1483                 break;
1484         case CONNMAN_IPCONFIG_METHOD_AUTO:
1485         case CONNMAN_IPCONFIG_METHOD_FIXED:
1486         case CONNMAN_IPCONFIG_METHOD_DHCP:
1487         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1488                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1489                         return connman_inet_set_address(ipconfig->index,
1490                                                         ipconfig->address);
1491                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1492                         return connman_inet_set_ipv6_address(
1493                                         ipconfig->index, ipconfig->address);
1494         }
1495
1496         return 0;
1497 }
1498
1499 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1500 {
1501         int err;
1502
1503         DBG("");
1504
1505         if (ipconfig == NULL)
1506                 return 0;
1507
1508         DBG("method %d", ipconfig->method);
1509
1510         switch (ipconfig->method) {
1511         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1512         case CONNMAN_IPCONFIG_METHOD_OFF:
1513                 break;
1514         case CONNMAN_IPCONFIG_METHOD_AUTO:
1515         case CONNMAN_IPCONFIG_METHOD_FIXED:
1516         case CONNMAN_IPCONFIG_METHOD_DHCP:
1517         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1518                 err = __connman_ipconfig_address_unset(ipconfig);
1519                 connman_ipaddress_clear(ipconfig->address);
1520
1521                 return err;
1522         }
1523
1524         return 0;
1525 }
1526
1527 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1528 {
1529         int err;
1530
1531         DBG("");
1532
1533         if (ipconfig == NULL)
1534                 return 0;
1535
1536         DBG("method %d", ipconfig->method);
1537
1538         switch (ipconfig->method) {
1539         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1540         case CONNMAN_IPCONFIG_METHOD_OFF:
1541                 break;
1542         case CONNMAN_IPCONFIG_METHOD_AUTO:
1543         case CONNMAN_IPCONFIG_METHOD_FIXED:
1544         case CONNMAN_IPCONFIG_METHOD_DHCP:
1545         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1546                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1547                         err = connman_inet_clear_address(ipconfig->index,
1548                                                         ipconfig->address);
1549                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1550                         err = connman_inet_clear_ipv6_address(
1551                                                 ipconfig->index,
1552                                                 ipconfig->address->local,
1553                                                 ipconfig->address->prefixlen);
1554                 else
1555                         err = -EINVAL;
1556
1557                 return err;
1558         }
1559
1560         return 0;
1561 }
1562
1563 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1564                                                         const char *url)
1565 {
1566         struct connman_ipdevice *ipdevice;
1567
1568         DBG("ipconfig %p", ipconfig);
1569
1570         if (ipconfig == NULL || ipconfig->index < 0)
1571                 return -ENODEV;
1572
1573         ipdevice = g_hash_table_lookup(ipdevice_hash,
1574                                         GINT_TO_POINTER(ipconfig->index));
1575         if (ipdevice == NULL)
1576                 return -ENXIO;
1577
1578         g_free(ipdevice->pac);
1579         ipdevice->pac = g_strdup(url);
1580
1581         return 0;
1582 }
1583
1584 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1585 {
1586         struct connman_ipdevice *ipdevice;
1587
1588         DBG("ipconfig %p", ipconfig);
1589
1590         if (ipconfig == NULL || ipconfig->index < 0)
1591                 return NULL;
1592
1593         ipdevice = g_hash_table_lookup(ipdevice_hash,
1594                                         GINT_TO_POINTER(ipconfig->index));
1595         if (ipdevice == NULL)
1596                 return NULL;
1597
1598         return ipdevice->pac;
1599 }
1600
1601 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1602                                         const char *address)
1603 {
1604         if (ipconfig == NULL)
1605                 return;
1606
1607         g_free(ipconfig->last_dhcp_address);
1608         ipconfig->last_dhcp_address = g_strdup(address);
1609 }
1610
1611 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1612 {
1613         if (ipconfig == NULL)
1614                 return NULL;
1615
1616         return ipconfig->last_dhcp_address;
1617 }
1618
1619 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1620 {
1621         struct connman_ipdevice *ipdevice;
1622
1623         DBG("");
1624
1625         ipdevice = g_hash_table_lookup(ipdevice_hash,
1626                                         GINT_TO_POINTER(ipconfig->index));
1627         if (ipdevice == NULL)
1628                 return;
1629
1630         set_ipv6_state(ipdevice->ifname, FALSE);
1631 }
1632
1633 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1634 {
1635         struct connman_ipdevice *ipdevice;
1636
1637         DBG("");
1638
1639         ipdevice = g_hash_table_lookup(ipdevice_hash,
1640                                         GINT_TO_POINTER(ipconfig->index));
1641         if (ipdevice == NULL)
1642                 return;
1643
1644         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1645                 set_ipv6_privacy(ipdevice->ifname,
1646                                 ipconfig->ipv6_privacy_config);
1647
1648         set_ipv6_state(ipdevice->ifname, TRUE);
1649 }
1650
1651 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1652 {
1653         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1654                 return;
1655
1656         enable_ipv6(ipconfig);
1657 }
1658
1659 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1660 {
1661         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1662                 return;
1663
1664         disable_ipv6(ipconfig);
1665 }
1666
1667 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1668 {
1669         struct connman_ipdevice *ipdevice;
1670         gboolean up = FALSE, down = FALSE;
1671         gboolean lower_up = FALSE, lower_down = FALSE;
1672         enum connman_ipconfig_type type;
1673
1674         DBG("ipconfig %p", ipconfig);
1675
1676         if (ipconfig == NULL || ipconfig->index < 0)
1677                 return -ENODEV;
1678
1679         ipdevice = g_hash_table_lookup(ipdevice_hash,
1680                                         GINT_TO_POINTER(ipconfig->index));
1681         if (ipdevice == NULL)
1682                 return -ENXIO;
1683
1684         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1685                 if (ipdevice->config_ipv4 == ipconfig)
1686                         return -EALREADY;
1687                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1688         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1689                 if (ipdevice->config_ipv6 == ipconfig)
1690                         return -EALREADY;
1691                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1692                 enable_ipv6(ipconfig);
1693         } else
1694                 return -EINVAL;
1695
1696         ipconfig->enabled = TRUE;
1697
1698         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1699                                         ipdevice->config_ipv4 != NULL) {
1700                 ipconfig_list = g_list_remove(ipconfig_list,
1701                                                         ipdevice->config_ipv4);
1702
1703                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1704
1705                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1706         }
1707
1708         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1709                                         ipdevice->config_ipv6 != NULL) {
1710                 ipconfig_list = g_list_remove(ipconfig_list,
1711                                                         ipdevice->config_ipv6);
1712
1713                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1714
1715                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1716         }
1717
1718         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1719                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1720         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1721                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1722
1723         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1724
1725         if (ipdevice->flags & IFF_UP)
1726                 up = TRUE;
1727         else
1728                 down = TRUE;
1729
1730         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1731                         (IFF_RUNNING | IFF_LOWER_UP))
1732                 lower_up = TRUE;
1733         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1734                 lower_down = TRUE;
1735
1736         if (up == TRUE && ipconfig->ops->up)
1737                 ipconfig->ops->up(ipconfig);
1738         if (lower_up == TRUE && ipconfig->ops->lower_up)
1739                 ipconfig->ops->lower_up(ipconfig);
1740
1741         if (lower_down == TRUE && ipconfig->ops->lower_down)
1742                 ipconfig->ops->lower_down(ipconfig);
1743         if (down == TRUE && ipconfig->ops->down)
1744                 ipconfig->ops->down(ipconfig);
1745
1746         return 0;
1747 }
1748
1749 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1750 {
1751         struct connman_ipdevice *ipdevice;
1752
1753         DBG("ipconfig %p", ipconfig);
1754
1755         if (ipconfig == NULL || ipconfig->index < 0)
1756                 return -ENODEV;
1757
1758         ipdevice = g_hash_table_lookup(ipdevice_hash,
1759                                         GINT_TO_POINTER(ipconfig->index));
1760         if (ipdevice == NULL)
1761                 return -ENXIO;
1762
1763         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1764                 return -EINVAL;
1765
1766         ipconfig->enabled = FALSE;
1767
1768         if (ipdevice->config_ipv4 == ipconfig) {
1769                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1770
1771                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1772                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1773                 ipdevice->config_ipv4 = NULL;
1774                 return 0;
1775         }
1776
1777         if (ipdevice->config_ipv6 == ipconfig) {
1778                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1779
1780                 if (ipdevice->config_ipv6->method ==
1781                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1782                         disable_ipv6(ipdevice->config_ipv6);
1783
1784                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1785                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1786                 ipdevice->config_ipv6 = NULL;
1787                 return 0;
1788         }
1789
1790         return -EINVAL;
1791 }
1792
1793 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1794 {
1795         switch (method) {
1796         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1797                 break;
1798         case CONNMAN_IPCONFIG_METHOD_OFF:
1799                 return "off";
1800         case CONNMAN_IPCONFIG_METHOD_FIXED:
1801                 return "fixed";
1802         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1803                 return "manual";
1804         case CONNMAN_IPCONFIG_METHOD_DHCP:
1805                 return "dhcp";
1806         case CONNMAN_IPCONFIG_METHOD_AUTO:
1807                 return "auto";
1808         }
1809
1810         return NULL;
1811 }
1812
1813 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1814 {
1815         if (g_strcmp0(method, "off") == 0)
1816                 return CONNMAN_IPCONFIG_METHOD_OFF;
1817         else if (g_strcmp0(method, "fixed") == 0)
1818                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1819         else if (g_strcmp0(method, "manual") == 0)
1820                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1821         else if (g_strcmp0(method, "dhcp") == 0)
1822                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1823         else if (g_strcmp0(method, "auto") == 0)
1824                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1825         else
1826                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1827 }
1828
1829 static const char *privacy2string(int privacy)
1830 {
1831         if (privacy <= 0)
1832                 return "disabled";
1833         else if (privacy == 1)
1834                 return "enabled";
1835         else if (privacy > 1)
1836                 return "prefered";
1837
1838         return "disabled";
1839 }
1840
1841 static int string2privacy(const char *privacy)
1842 {
1843         if (g_strcmp0(privacy, "disabled") == 0)
1844                 return 0;
1845         else if (g_strcmp0(privacy, "enabled") == 0)
1846                 return 1;
1847         else if (g_strcmp0(privacy, "prefered") == 0)
1848                 return 2;
1849         else
1850                 return 0;
1851 }
1852
1853 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1854                                                         DBusMessageIter *iter)
1855 {
1856         struct connman_ipaddress *append_addr = NULL;
1857         const char *str;
1858
1859         DBG("");
1860
1861         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1862                 return;
1863
1864         str = __connman_ipconfig_method2string(ipconfig->method);
1865         if (str == NULL)
1866                 return;
1867
1868         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1869
1870         append_addr = ipconfig->system;
1871
1872         switch (ipconfig->method) {
1873         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1874         case CONNMAN_IPCONFIG_METHOD_OFF:
1875                 return;
1876
1877         case CONNMAN_IPCONFIG_METHOD_FIXED:
1878                 if (append_addr == NULL)
1879                         append_addr = ipconfig->address;
1880                 break;
1881
1882         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1883         case CONNMAN_IPCONFIG_METHOD_DHCP:
1884         case CONNMAN_IPCONFIG_METHOD_AUTO:
1885                 break;
1886         }
1887
1888         if (append_addr == NULL)
1889                 return;
1890
1891         if (append_addr->local != NULL) {
1892                 in_addr_t addr;
1893                 struct in_addr netmask;
1894                 char *mask;
1895
1896                 connman_dbus_dict_append_basic(iter, "Address",
1897                                 DBUS_TYPE_STRING, &append_addr->local);
1898
1899                 addr = 0xffffffff << (32 - append_addr->prefixlen);
1900                 netmask.s_addr = htonl(addr);
1901                 mask = inet_ntoa(netmask);
1902                 connman_dbus_dict_append_basic(iter, "Netmask",
1903                                                 DBUS_TYPE_STRING, &mask);
1904         }
1905
1906         if (append_addr->gateway != NULL)
1907                 connman_dbus_dict_append_basic(iter, "Gateway",
1908                                 DBUS_TYPE_STRING, &append_addr->gateway);
1909 }
1910
1911 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1912                                         DBusMessageIter *iter,
1913                                         struct connman_ipconfig *ipconfig_ipv4)
1914 {
1915         struct connman_ipaddress *append_addr = NULL;
1916         const char *str, *privacy;
1917
1918         DBG("");
1919
1920         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1921                 return;
1922
1923         str = __connman_ipconfig_method2string(ipconfig->method);
1924         if (str == NULL)
1925                 return;
1926
1927         if (ipconfig_ipv4 != NULL &&
1928                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1929                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1930                         str = "6to4";
1931         }
1932
1933         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1934
1935         append_addr = ipconfig->system;
1936
1937         switch (ipconfig->method) {
1938         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1939         case CONNMAN_IPCONFIG_METHOD_OFF:
1940                 return;
1941
1942         case CONNMAN_IPCONFIG_METHOD_FIXED:
1943                 if (append_addr == NULL)
1944                         append_addr = ipconfig->address;
1945                 break;
1946
1947         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1948         case CONNMAN_IPCONFIG_METHOD_DHCP:
1949         case CONNMAN_IPCONFIG_METHOD_AUTO:
1950                 break;
1951         }
1952
1953         if (append_addr == NULL)
1954                 return;
1955
1956         if (append_addr->local != NULL) {
1957                 connman_dbus_dict_append_basic(iter, "Address",
1958                                 DBUS_TYPE_STRING, &append_addr->local);
1959                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1960                                                 DBUS_TYPE_BYTE,
1961                                                 &append_addr->prefixlen);
1962         }
1963
1964         if (append_addr->gateway != NULL)
1965                 connman_dbus_dict_append_basic(iter, "Gateway",
1966                                 DBUS_TYPE_STRING, &append_addr->gateway);
1967
1968         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1969         connman_dbus_dict_append_basic(iter, "Privacy",
1970                                 DBUS_TYPE_STRING, &privacy);
1971 }
1972
1973 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1974                                                         DBusMessageIter *iter)
1975 {
1976         const char *str, *privacy;
1977
1978         DBG("");
1979
1980         str = __connman_ipconfig_method2string(ipconfig->method);
1981         if (str == NULL)
1982                 return;
1983
1984         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1985
1986         switch (ipconfig->method) {
1987         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1988         case CONNMAN_IPCONFIG_METHOD_OFF:
1989         case CONNMAN_IPCONFIG_METHOD_DHCP:
1990                 return;
1991         case CONNMAN_IPCONFIG_METHOD_FIXED:
1992         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1993         case CONNMAN_IPCONFIG_METHOD_AUTO:
1994                 break;
1995         }
1996
1997         if (ipconfig->address == NULL)
1998                 return;
1999
2000         if (ipconfig->address->local != NULL) {
2001                 connman_dbus_dict_append_basic(iter, "Address",
2002                                 DBUS_TYPE_STRING, &ipconfig->address->local);
2003                 connman_dbus_dict_append_basic(iter, "PrefixLength",
2004                                                 DBUS_TYPE_BYTE,
2005                                                 &ipconfig->address->prefixlen);
2006         }
2007
2008         if (ipconfig->address->gateway != NULL)
2009                 connman_dbus_dict_append_basic(iter, "Gateway",
2010                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
2011
2012         privacy = privacy2string(ipconfig->ipv6_privacy_config);
2013         connman_dbus_dict_append_basic(iter, "Privacy",
2014                                 DBUS_TYPE_STRING, &privacy);
2015 }
2016
2017 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
2018                                                         DBusMessageIter *iter)
2019 {
2020         const char *str;
2021
2022         DBG("");
2023
2024         str = __connman_ipconfig_method2string(ipconfig->method);
2025         if (str == NULL)
2026                 return;
2027
2028         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
2029
2030         switch (ipconfig->method) {
2031         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2032         case CONNMAN_IPCONFIG_METHOD_OFF:
2033         case CONNMAN_IPCONFIG_METHOD_DHCP:
2034         case CONNMAN_IPCONFIG_METHOD_AUTO:
2035                 return;
2036         case CONNMAN_IPCONFIG_METHOD_FIXED:
2037         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2038                 break;
2039         }
2040
2041         if (ipconfig->address == NULL)
2042                 return;
2043
2044         if (ipconfig->address->local != NULL) {
2045                 in_addr_t addr;
2046                 struct in_addr netmask;
2047                 char *mask;
2048
2049                 connman_dbus_dict_append_basic(iter, "Address",
2050                                 DBUS_TYPE_STRING, &ipconfig->address->local);
2051
2052                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
2053                 netmask.s_addr = htonl(addr);
2054                 mask = inet_ntoa(netmask);
2055                 connman_dbus_dict_append_basic(iter, "Netmask",
2056                                                 DBUS_TYPE_STRING, &mask);
2057         }
2058
2059         if (ipconfig->address->gateway != NULL)
2060                 connman_dbus_dict_append_basic(iter, "Gateway",
2061                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
2062 }
2063
2064 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
2065                                                         DBusMessageIter *array)
2066 {
2067         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
2068         const char *address = NULL, *netmask = NULL, *gateway = NULL,
2069                 *prefix_length_string = NULL, *privacy_string = NULL;
2070         int prefix_length = 0, privacy = 0;
2071         DBusMessageIter dict;
2072
2073         DBG("ipconfig %p", ipconfig);
2074
2075         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
2076                 return -EINVAL;
2077
2078         dbus_message_iter_recurse(array, &dict);
2079
2080         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
2081                 DBusMessageIter entry, value;
2082                 const char *key;
2083                 int type;
2084
2085                 dbus_message_iter_recurse(&dict, &entry);
2086
2087                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2088                         return -EINVAL;
2089
2090                 dbus_message_iter_get_basic(&entry, &key);
2091                 dbus_message_iter_next(&entry);
2092
2093                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
2094                         return -EINVAL;
2095
2096                 dbus_message_iter_recurse(&entry, &value);
2097
2098                 type = dbus_message_iter_get_arg_type(&value);
2099
2100                 if (g_str_equal(key, "Method") == TRUE) {
2101                         const char *str;
2102
2103                         if (type != DBUS_TYPE_STRING)
2104                                 return -EINVAL;
2105
2106                         dbus_message_iter_get_basic(&value, &str);
2107                         method = __connman_ipconfig_string2method(str);
2108                 } else if (g_str_equal(key, "Address") == TRUE) {
2109                         if (type != DBUS_TYPE_STRING)
2110                                 return -EINVAL;
2111
2112                         dbus_message_iter_get_basic(&value, &address);
2113                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
2114                         if (type != DBUS_TYPE_STRING)
2115                                 return -EINVAL;
2116
2117                         dbus_message_iter_get_basic(&value,
2118                                                         &prefix_length_string);
2119
2120                         prefix_length = atoi(prefix_length_string);
2121                         if (prefix_length < 0 || prefix_length > 128)
2122                                 return -EINVAL;
2123                 } else if (g_str_equal(key, "Netmask") == TRUE) {
2124                         if (type != DBUS_TYPE_STRING)
2125                                 return -EINVAL;
2126
2127                         dbus_message_iter_get_basic(&value, &netmask);
2128                 } else if (g_str_equal(key, "Gateway") == TRUE) {
2129                         if (type != DBUS_TYPE_STRING)
2130                                 return -EINVAL;
2131
2132                         dbus_message_iter_get_basic(&value, &gateway);
2133                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2134                         if (type != DBUS_TYPE_STRING)
2135                                 return -EINVAL;
2136
2137                         dbus_message_iter_get_basic(&value, &privacy_string);
2138                         privacy = string2privacy(privacy_string);
2139                 }
2140
2141                 dbus_message_iter_next(&dict);
2142         }
2143
2144         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2145                 "privacy %s",
2146                 method, address, netmask, gateway, prefix_length,
2147                 privacy_string);
2148
2149         switch (method) {
2150         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2151         case CONNMAN_IPCONFIG_METHOD_FIXED:
2152                 return -EINVAL;
2153
2154         case CONNMAN_IPCONFIG_METHOD_OFF:
2155                 ipconfig->method = method;
2156                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2157                         disable_ipv6(ipconfig);
2158                 break;
2159
2160         case CONNMAN_IPCONFIG_METHOD_AUTO:
2161                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2162                         return -EINVAL;
2163
2164                 ipconfig->method = method;
2165                 if (privacy_string != NULL)
2166                         ipconfig->ipv6_privacy_config = privacy;
2167                 enable_ipv6(ipconfig);
2168                 break;
2169
2170         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2171                 if (address == NULL)
2172                         return -EINVAL;
2173
2174                 ipconfig->method = method;
2175
2176                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2177                         connman_ipaddress_set_ipv4(ipconfig->address,
2178                                                 address, netmask, gateway);
2179                 else
2180                         return connman_ipaddress_set_ipv6(
2181                                         ipconfig->address, address,
2182                                                 prefix_length, gateway);
2183                 break;
2184
2185         case CONNMAN_IPCONFIG_METHOD_DHCP:
2186                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2187                         return -EOPNOTSUPP;
2188
2189                 ipconfig->method = method;
2190                 break;
2191         }
2192
2193         return 0;
2194 }
2195
2196 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2197                                                         DBusMessageIter *iter)
2198 {
2199         struct connman_ipdevice *ipdevice;
2200         const char *method = "auto";
2201
2202         connman_dbus_dict_append_basic(iter, "Method",
2203                                                 DBUS_TYPE_STRING, &method);
2204
2205         ipdevice = g_hash_table_lookup(ipdevice_hash,
2206                                         GINT_TO_POINTER(ipconfig->index));
2207         if (ipdevice == NULL)
2208                 return;
2209
2210         if (ipdevice->ifname != NULL)
2211                 connman_dbus_dict_append_basic(iter, "Interface",
2212                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2213
2214         if (ipdevice->address != NULL)
2215                 connman_dbus_dict_append_basic(iter, "Address",
2216                                         DBUS_TYPE_STRING, &ipdevice->address);
2217
2218         if (ipdevice->mtu > 0)
2219                 connman_dbus_dict_append_basic(iter, "MTU",
2220                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2221 }
2222
2223 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2224                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2225 {
2226         char *method;
2227         char *key;
2228         char *str;
2229
2230         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2231
2232         key = g_strdup_printf("%smethod", prefix);
2233         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2234         if (method == NULL) {
2235                 switch (ipconfig->type) {
2236                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2237                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2238                         break;
2239                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2240                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2241                         break;
2242                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2243                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2244                         break;
2245                 }
2246         } else
2247                 ipconfig->method = __connman_ipconfig_string2method(method);
2248
2249         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2250                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2251
2252         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2253                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2254                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2255                         char *privacy;
2256                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2257                         privacy = g_key_file_get_string(keyfile, identifier,
2258                                                         pprefix, NULL);
2259                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2260                         g_free(pprefix);
2261                         g_free(privacy);
2262                 }
2263         }
2264
2265         g_free(method);
2266         g_free(key);
2267
2268         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2269         ipconfig->address->prefixlen = g_key_file_get_integer(
2270                                 keyfile, identifier, key, NULL);
2271         g_free(key);
2272
2273         key = g_strdup_printf("%slocal_address", prefix);
2274         ipconfig->address->local = g_key_file_get_string(
2275                         keyfile, identifier, key, NULL);
2276         g_free(key);
2277
2278         key = g_strdup_printf("%speer_address", prefix);
2279         ipconfig->address->peer = g_key_file_get_string(
2280                                 keyfile, identifier, key, NULL);
2281         g_free(key);
2282
2283         key = g_strdup_printf("%sbroadcast_address", prefix);
2284         ipconfig->address->broadcast = g_key_file_get_string(
2285                                 keyfile, identifier, key, NULL);
2286         g_free(key);
2287
2288         key = g_strdup_printf("%sgateway", prefix);
2289         ipconfig->address->gateway = g_key_file_get_string(
2290                                 keyfile, identifier, key, NULL);
2291         g_free(key);
2292
2293         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2294         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2295         if (str != NULL) {
2296                 g_free(ipconfig->last_dhcp_address);
2297                 ipconfig->last_dhcp_address = str;
2298         }
2299         g_free(key);
2300
2301         return 0;
2302 }
2303
2304 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2305                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2306 {
2307         const char *method;
2308         char *key;
2309
2310         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2311
2312         method = __connman_ipconfig_method2string(ipconfig->method);
2313
2314         key = g_strdup_printf("%smethod", prefix);
2315         g_key_file_set_string(keyfile, identifier, key, method);
2316         g_free(key);
2317
2318         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2319                 const char *privacy;
2320                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2321                 key = g_strdup_printf("%sprivacy", prefix);
2322                 g_key_file_set_string(keyfile, identifier, key, privacy);
2323                 g_free(key);
2324         }
2325
2326         switch (ipconfig->method) {
2327         case CONNMAN_IPCONFIG_METHOD_FIXED:
2328         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2329                 break;
2330         case CONNMAN_IPCONFIG_METHOD_DHCP:
2331                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2332                 if (ipconfig->last_dhcp_address != NULL &&
2333                                 strlen(ipconfig->last_dhcp_address) > 0)
2334                         g_key_file_set_string(keyfile, identifier, key,
2335                                         ipconfig->last_dhcp_address);
2336                 else
2337                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2338                 g_free(key);
2339                 /* fall through */
2340         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2341         case CONNMAN_IPCONFIG_METHOD_OFF:
2342         case CONNMAN_IPCONFIG_METHOD_AUTO:
2343                 return 0;
2344         }
2345
2346         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2347         g_key_file_set_integer(keyfile, identifier,
2348                         key, ipconfig->address->prefixlen);
2349         g_free(key);
2350
2351         key = g_strdup_printf("%slocal_address", prefix);
2352         if (ipconfig->address->local != NULL)
2353                 g_key_file_set_string(keyfile, identifier,
2354                                 key, ipconfig->address->local);
2355         g_free(key);
2356
2357         key = g_strdup_printf("%speer_address", prefix);
2358         if (ipconfig->address->peer != NULL)
2359                 g_key_file_set_string(keyfile, identifier,
2360                                 key, ipconfig->address->peer);
2361         g_free(key);
2362
2363         key = g_strdup_printf("%sbroadcast_address", prefix);
2364         if (ipconfig->address->broadcast != NULL)
2365                 g_key_file_set_string(keyfile, identifier,
2366                         key, ipconfig->address->broadcast);
2367         g_free(key);
2368
2369         key = g_strdup_printf("%sgateway", prefix);
2370         if (ipconfig->address->gateway != NULL)
2371                 g_key_file_set_string(keyfile, identifier,
2372                         key, ipconfig->address->gateway);
2373         g_free(key);
2374
2375         return 0;
2376 }
2377
2378 int __connman_ipconfig_init(void)
2379 {
2380         DBG("");
2381
2382         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2383                                                         NULL, free_ipdevice);
2384
2385         return 0;
2386 }
2387
2388 void __connman_ipconfig_cleanup(void)
2389 {
2390         DBG("");
2391
2392         g_hash_table_destroy(ipdevice_hash);
2393         ipdevice_hash = NULL;
2394 }