src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <net/if.h>
  27 #include <net/if_arp.h>
  28 #include <linux/if_link.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31
  32 #ifndef IFF_LOWER_UP
  33 #define IFF_LOWER_UP    0x10000
  34 #endif
  35
  36 #include <gdbus.h>
  37
  38 #include "connman.h"
  39
  40 struct connman_ipconfig {
  41         gint refcount;
  42         int index;
  43         enum connman_ipconfig_type type;
  44
  45         struct connman_ipconfig *origin;
  46
  47         const struct connman_ipconfig_ops *ops;
  48         void *ops_data;
  49
  50         enum connman_ipconfig_method method;
  51         struct connman_ipaddress *address;
  52         struct connman_ipaddress *system;
  53 };
  54
  55 struct connman_ipdevice {
  56         int index;
  57         char *ifname;
  58         unsigned short type;
  59         unsigned int flags;
  60         char *address;
  61         uint16_t mtu;
  62         uint32_t rx_packets;
  63         uint32_t tx_packets;
  64         uint32_t rx_bytes;
  65         uint32_t tx_bytes;
  66         uint32_t rx_errors;
  67         uint32_t tx_errors;
  68         uint32_t rx_dropped;
  69         uint32_t tx_dropped;
  70
  71         GSList *address_list;
  72         char *ipv4_gateway;
  73         char *ipv6_gateway;
  74
  75         char *pac;
  76
  77         struct connman_ipconfig *config_ipv4;
  78         struct connman_ipconfig *config_ipv6;
  79 };
  80
  81 static GHashTable *ipdevice_hash = NULL;
  82 static GList *ipconfig_list = NULL;
  83
  84 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  85 {
  86         struct connman_ipaddress *ipaddress;
  87
  88         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  89         if (ipaddress == NULL)
  90                 return NULL;
  91
  92         ipaddress->family = family;
  93         ipaddress->prefixlen = 0;
  94         ipaddress->local = NULL;
  95         ipaddress->peer = NULL;
  96         ipaddress->broadcast = NULL;
  97         ipaddress->gateway = NULL;
  98
  99         return ipaddress;
 100 }
 101
 102 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 103 {
 104         if (ipaddress == NULL)
 105                 return;
 106
 107         g_free(ipaddress->broadcast);
 108         g_free(ipaddress->peer);
 109         g_free(ipaddress->local);
 110         g_free(ipaddress->gateway);
 111         g_free(ipaddress);
 112 }
 113
 114 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 115 {
 116         unsigned char bits;
 117         in_addr_t mask;
 118         in_addr_t host;
 119
 120         if (netmask == NULL)
 121                 return 32;
 122
 123         mask = inet_network(netmask);
 124         host = ~mask;
 125
 126         /* a valid netmask must be 2^n - 1 */
 127         if ((host & (host + 1)) != 0)
 128                 return -1;
 129
 130         bits = 0;
 131         for (; mask; mask <<= 1)
 132                 ++bits;
 133
 134         return bits;
 135 }
 136
 137 static gboolean check_ipv6_address(const char *address)
 138 {
 139         unsigned char buf[sizeof(struct in6_addr)];
 140         int err;
 141
 142         err = inet_pton(AF_INET6, address, buf);
 143         if (err > 0)
 144                 return TRUE;
 145
 146         return FALSE;
 147 }
 148
 149 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 150                                 const char *address, const char *gateway,
 151                                                 unsigned char prefix_length)
 152 {
 153         if (ipaddress == NULL)
 154                 return -EINVAL;
 155
 156         if (check_ipv6_address(address) == FALSE)
 157                 return -EINVAL;
 158
 159         if (check_ipv6_address(gateway) == FALSE)
 160                 return -EINVAL;
 161
 162         DBG("prefix_len %d address %s gateway %s",
 163                         prefix_length, address, gateway);
 164
 165         ipaddress->prefixlen = prefix_length;
 166
 167         g_free(ipaddress->local);
 168         ipaddress->local = g_strdup(address);
 169
 170         g_free(ipaddress->gateway);
 171         ipaddress->gateway = g_strdup(gateway);
 172
 173         return 0;
 174 }
 175
 176 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 177                 const char *address, const char *netmask, const char *gateway)
 178 {
 179         if (ipaddress == NULL)
 180                 return;
 181
 182         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 183
 184         g_free(ipaddress->local);
 185         ipaddress->local = g_strdup(address);
 186
 187         g_free(ipaddress->gateway);
 188         ipaddress->gateway = g_strdup(gateway);
 189 }
 190
 191 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 192 {
 193         if (ipaddress == NULL)
 194                 return;
 195
 196         ipaddress->prefixlen = 0;
 197
 198         g_free(ipaddress->local);
 199         ipaddress->local = NULL;
 200
 201         g_free(ipaddress->peer);
 202         ipaddress->peer = NULL;
 203
 204         g_free(ipaddress->broadcast);
 205         ipaddress->broadcast = NULL;
 206
 207         g_free(ipaddress->gateway);
 208         ipaddress->gateway = NULL;
 209 }
 210
 211 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 212                                         struct connman_ipaddress *source)
 213 {
 214         if (ipaddress == NULL || source == NULL)
 215                 return;
 216
 217         ipaddress->family = source->family;
 218         ipaddress->prefixlen = source->prefixlen;
 219
 220         g_free(ipaddress->local);
 221         ipaddress->local = g_strdup(source->local);
 222
 223         g_free(ipaddress->peer);
 224         ipaddress->peer = g_strdup(source->peer);
 225
 226         g_free(ipaddress->broadcast);
 227         ipaddress->broadcast = g_strdup(source->broadcast);
 228
 229         g_free(ipaddress->gateway);
 230         ipaddress->gateway = g_strdup(source->gateway);
 231 }
 232
 233 static void free_address_list(struct connman_ipdevice *ipdevice)
 234 {
 235         GSList *list;
 236
 237         for (list = ipdevice->address_list; list; list = list->next) {
 238                 struct connman_ipaddress *ipaddress = list->data;
 239
 240                 connman_ipaddress_free(ipaddress);
 241                 list->data = NULL;
 242         }
 243
 244         g_slist_free(ipdevice->address_list);
 245         ipdevice->address_list = NULL;
 246 }
 247
 248 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 249                                 unsigned char prefixlen, const char *local)
 250 {
 251         GSList *list;
 252
 253         for (list = ipdevice->address_list; list; list = list->next) {
 254                 struct connman_ipaddress *ipaddress = list->data;
 255
 256                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 257                                         ipaddress->prefixlen == prefixlen)
 258                         return ipaddress;
 259         }
 260
 261         return NULL;
 262 }
 263
 264 static const char *type2str(unsigned short type)
 265 {
 266         switch (type) {
 267         case ARPHRD_ETHER:
 268                 return "ETHER";
 269         case ARPHRD_LOOPBACK:
 270                 return "LOOPBACK";
 271         case ARPHRD_PPP:
 272                 return "PPP";
 273         case ARPHRD_NONE:
 274                 return "NONE";
 275         case ARPHRD_VOID:
 276                 return "VOID";
 277         }
 278
 279         return "";
 280 }
 281
 282 static const char *scope2str(unsigned char scope)
 283 {
 284         switch (scope) {
 285         case 0:
 286                 return "UNIVERSE";
 287         case 253:
 288                 return "LINK";
 289         }
 290
 291         return "";
 292 }
 293
 294 static void free_ipdevice(gpointer data)
 295 {
 296         struct connman_ipdevice *ipdevice = data;
 297
 298         connman_info("%s {remove} index %d", ipdevice->ifname,
 299                                                         ipdevice->index);
 300
 301         if (ipdevice->config_ipv4 != NULL) {
 302                 connman_ipconfig_unref(ipdevice->config_ipv4);
 303                 ipdevice->config_ipv4 = NULL;
 304         }
 305
 306         if (ipdevice->config_ipv6 != NULL) {
 307                 connman_ipconfig_unref(ipdevice->config_ipv6);
 308                 ipdevice->config_ipv6 = NULL;
 309         }
 310
 311         free_address_list(ipdevice);
 312         g_free(ipdevice->ipv4_gateway);
 313         g_free(ipdevice->ipv6_gateway);
 314         g_free(ipdevice->pac);
 315
 316         g_free(ipdevice->address);
 317         g_free(ipdevice->ifname);
 318         g_free(ipdevice);
 319 }
 320
 321 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 322 {
 323         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 324                                         ipdevice->config_ipv6);
 325 }
 326
 327 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 328 {
 329         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 330                                         ipdevice->config_ipv6);
 331
 332         if (ipdevice->config_ipv4)
 333                 connman_inet_clear_address(ipdevice->index,
 334                                         ipdevice->config_ipv4->address);
 335
 336         if (ipdevice->config_ipv6)
 337                 connman_inet_clear_ipv6_address(ipdevice->index,
 338                                 ipdevice->config_ipv6->address->local,
 339                                 ipdevice->config_ipv6->address->prefixlen);
 340 }
 341
 342 static void update_stats(struct connman_ipdevice *ipdevice,
 343                                                 struct rtnl_link_stats *stats)
 344 {
 345         struct connman_service *service;
 346
 347         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 348                 return;
 349
 350         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 351                                         stats->rx_packets, stats->rx_bytes);
 352         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 353                                         stats->tx_packets, stats->tx_bytes);
 354
 355         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 356                 return;
 357
 358         if (ipdevice->config_ipv4)
 359                 service = connman_ipconfig_get_data(ipdevice->config_ipv4);
 360         else if (ipdevice->config_ipv6)
 361                 service = connman_ipconfig_get_data(ipdevice->config_ipv6);
 362         else
 363                 return;
 364
 365         if (service == NULL)
 366                 return;
 367
 368         ipdevice->rx_packets = stats->rx_packets;
 369         ipdevice->tx_packets = stats->tx_packets;
 370         ipdevice->rx_bytes = stats->rx_bytes;
 371         ipdevice->tx_bytes = stats->tx_bytes;
 372         ipdevice->rx_errors = stats->rx_errors;
 373         ipdevice->tx_errors = stats->tx_errors;
 374         ipdevice->rx_dropped = stats->rx_dropped;
 375         ipdevice->tx_dropped = stats->tx_dropped;
 376
 377         __connman_service_notify(service,
 378                                 ipdevice->rx_packets, ipdevice->tx_packets,
 379                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 380                                 ipdevice->rx_errors, ipdevice->tx_errors,
 381                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 382 }
 383
 384 void __connman_ipconfig_newlink(int index, unsigned short type,
 385                                 unsigned int flags, const char *address,
 386                                                         unsigned short mtu,
 387                                                 struct rtnl_link_stats *stats)
 388 {
 389         struct connman_ipdevice *ipdevice;
 390         GList *list;
 391         GString *str;
 392         gboolean up = FALSE, down = FALSE;
 393         gboolean lower_up = FALSE, lower_down = FALSE;
 394
 395         DBG("index %d", index);
 396
 397         if (type == ARPHRD_LOOPBACK)
 398                 return;
 399
 400         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 401         if (ipdevice != NULL)
 402                 goto update;
 403
 404         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 405         if (ipdevice == NULL)
 406                 return;
 407
 408         ipdevice->index = index;
 409         ipdevice->ifname = connman_inet_ifname(index);
 410         ipdevice->type = type;
 411
 412         ipdevice->address = g_strdup(address);
 413
 414         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 415
 416         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 417                                                 index, type, type2str(type));
 418
 419 update:
 420         ipdevice->mtu = mtu;
 421
 422         update_stats(ipdevice, stats);
 423
 424         if (flags == ipdevice->flags)
 425                 return;
 426
 427         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 428                 if (flags & IFF_UP)
 429                         up = TRUE;
 430                 else
 431                         down = TRUE;
 432         }
 433
 434         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 435                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 436                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 437                                         (IFF_RUNNING | IFF_LOWER_UP))
 438                         lower_up = TRUE;
 439                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 440                         lower_down = TRUE;
 441         }
 442
 443         ipdevice->flags = flags;
 444
 445         str = g_string_new(NULL);
 446         if (str == NULL)
 447                 return;
 448
 449         if (flags & IFF_UP)
 450                 g_string_append(str, "UP");
 451         else
 452                 g_string_append(str, "DOWN");
 453
 454         if (flags & IFF_RUNNING)
 455                 g_string_append(str, ",RUNNING");
 456
 457         if (flags & IFF_LOWER_UP)
 458                 g_string_append(str, ",LOWER_UP");
 459
 460         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 461                                                         flags, str->str);
 462
 463         g_string_free(str, TRUE);
 464
 465         for (list = g_list_first(ipconfig_list); list;
 466                                                 list = g_list_next(list)) {
 467                 struct connman_ipconfig *ipconfig = list->data;
 468
 469                 if (index != ipconfig->index)
 470                         continue;
 471
 472                 if (ipconfig->ops == NULL)
 473                         continue;
 474
 475                 if (up == TRUE && ipconfig->ops->up)
 476                         ipconfig->ops->up(ipconfig);
 477                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 478                         ipconfig->ops->lower_up(ipconfig);
 479
 480                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 481                         ipconfig->ops->lower_down(ipconfig);
 482                 if (down == TRUE && ipconfig->ops->down)
 483                         ipconfig->ops->down(ipconfig);
 484         }
 485
 486         if (lower_up)
 487                 __connman_ipconfig_lower_up(ipdevice);
 488         if (lower_down)
 489                 __connman_ipconfig_lower_down(ipdevice);
 490 }
 491
 492 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 493 {
 494         struct connman_ipdevice *ipdevice;
 495         GList *list;
 496
 497         DBG("index %d", index);
 498
 499         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 500         if (ipdevice == NULL)
 501                 return;
 502
 503         update_stats(ipdevice, stats);
 504
 505         for (list = g_list_first(ipconfig_list); list;
 506                                                 list = g_list_next(list)) {
 507                 struct connman_ipconfig *ipconfig = list->data;
 508
 509                 if (index != ipconfig->index)
 510                         continue;
 511
 512                 ipconfig->index = -1;
 513
 514                 if (ipconfig->ops == NULL)
 515                         continue;
 516
 517                 if (ipconfig->ops->lower_down)
 518                         ipconfig->ops->lower_down(ipconfig);
 519                 if (ipconfig->ops->down)
 520                         ipconfig->ops->down(ipconfig);
 521         }
 522
 523         __connman_ipconfig_lower_down(ipdevice);
 524
 525         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 526 }
 527
 528 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 529 {
 530         const struct connman_ipaddress *addr1 = a;
 531         const struct connman_ipaddress *addr2 = b;
 532
 533         if (addr1->prefixlen != addr2->prefixlen)
 534                 return addr2->prefixlen - addr1->prefixlen;
 535
 536         return g_strcmp0(addr1->local, addr2->local);
 537 }
 538
 539 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 540                                 unsigned char prefixlen, const char *address)
 541 {
 542         struct connman_ipdevice *ipdevice;
 543         struct connman_ipaddress *ipaddress;
 544         GList *list;
 545
 546         DBG("index %d", index);
 547
 548         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 549         if (ipdevice == NULL)
 550                 return;
 551
 552         ipaddress = connman_ipaddress_alloc(family);
 553         if (ipaddress == NULL)
 554                 return;
 555
 556         ipaddress->prefixlen = prefixlen;
 557         ipaddress->local = g_strdup(address);
 558
 559         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 560                                         check_duplicate_address)) {
 561                 connman_ipaddress_free(ipaddress);
 562                 return;
 563         }
 564
 565         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 566                                                                 ipaddress);
 567
 568         connman_info("%s {add} address %s/%u label %s family %d",
 569                 ipdevice->ifname, address, prefixlen, label, family);
 570
 571         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 572                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 573                                         ipaddress);
 574
 575         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 576                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 577                                         ipaddress);
 578         else
 579                 return;
 580
 581         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 582                 return;
 583
 584         for (list = g_list_first(ipconfig_list); list;
 585                                                 list = g_list_next(list)) {
 586                 struct connman_ipconfig *ipconfig = list->data;
 587
 588                 if (index != ipconfig->index)
 589                         continue;
 590
 591                 if (ipconfig->ops == NULL)
 592                         continue;
 593
 594                 if (ipconfig->ops->ip_bound)
 595                         ipconfig->ops->ip_bound(ipconfig);
 596         }
 597 }
 598
 599 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 600                                 unsigned char prefixlen, const char *address)
 601 {
 602         struct connman_ipdevice *ipdevice;
 603         struct connman_ipaddress *ipaddress;
 604         GList *list;
 605
 606         DBG("index %d", index);
 607
 608         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 609         if (ipdevice == NULL)
 610                 return;
 611
 612         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 613         if (ipaddress == NULL)
 614                 return;
 615
 616         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 617                                                                 ipaddress);
 618
 619         connman_ipaddress_free(ipaddress);
 620
 621         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 622                                                 address, prefixlen, label);
 623
 624         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 625                 return;
 626
 627         if (g_slist_length(ipdevice->address_list) > 0)
 628                 return;
 629
 630         for (list = g_list_first(ipconfig_list); list;
 631                                                 list = g_list_next(list)) {
 632                 struct connman_ipconfig *ipconfig = list->data;
 633
 634                 if (index != ipconfig->index)
 635                         continue;
 636
 637                 if (ipconfig->ops == NULL)
 638                         continue;
 639
 640                 if (ipconfig->ops->ip_release)
 641                         ipconfig->ops->ip_release(ipconfig);
 642         }
 643 }
 644
 645 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 646                                         const char *dst, const char *gateway)
 647 {
 648         struct connman_ipdevice *ipdevice;
 649
 650         DBG("index %d", index);
 651
 652         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 653         if (ipdevice == NULL)
 654                 return;
 655
 656         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 657                 GSList *list;
 658                 GList *config_list;
 659
 660                 if (family == AF_INET6) {
 661                         g_free(ipdevice->ipv6_gateway);
 662                         ipdevice->ipv6_gateway = g_strdup(gateway);
 663
 664                         if (ipdevice->config_ipv6 != NULL &&
 665                                 ipdevice->config_ipv6->system != NULL) {
 666                                 g_free(ipdevice->config_ipv6->system->gateway);
 667                                 ipdevice->config_ipv6->system->gateway =
 668                                         g_strdup(gateway);
 669                         }
 670                 } else {
 671                         g_free(ipdevice->ipv4_gateway);
 672                         ipdevice->ipv4_gateway = g_strdup(gateway);
 673
 674                         if (ipdevice->config_ipv4 != NULL &&
 675                                 ipdevice->config_ipv4->system != NULL) {
 676                                 g_free(ipdevice->config_ipv4->system->gateway);
 677                                 ipdevice->config_ipv4->system->gateway =
 678                                         g_strdup(gateway);
 679                         }
 680                 }
 681
 682                 for (list = ipdevice->address_list; list; list = list->next) {
 683                         struct connman_ipaddress *ipaddress = list->data;
 684
 685                         g_free(ipaddress->gateway);
 686                         ipaddress->gateway = g_strdup(gateway);
 687                 }
 688
 689                 for (config_list = g_list_first(ipconfig_list); config_list;
 690                                         config_list = g_list_next(config_list)) {
 691                         struct connman_ipconfig *ipconfig = config_list->data;
 692
 693                         if (index != ipconfig->index)
 694                                 continue;
 695
 696                         if (ipconfig->ops == NULL)
 697                                 continue;
 698
 699                         if (ipconfig->ops->ip_bound)
 700                                 ipconfig->ops->ip_bound(ipconfig);
 701                 }
 702         }
 703
 704         connman_info("%s {add} route %s gw %s scope %u <%s>",
 705                                         ipdevice->ifname, dst, gateway,
 706                                                 scope, scope2str(scope));
 707 }
 708
 709 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 710                                         const char *dst, const char *gateway)
 711 {
 712         struct connman_ipdevice *ipdevice;
 713
 714         DBG("index %d", index);
 715
 716         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 717         if (ipdevice == NULL)
 718                 return;
 719
 720         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 721                 GSList *list;
 722                 GList *config_list;
 723
 724                 if (family == AF_INET6) {
 725                         g_free(ipdevice->ipv6_gateway);
 726                         ipdevice->ipv6_gateway = NULL;
 727
 728                         if (ipdevice->config_ipv6 != NULL &&
 729                                 ipdevice->config_ipv6->system != NULL) {
 730                                 g_free(ipdevice->config_ipv6->system->gateway);
 731                                 ipdevice->config_ipv6->system->gateway = NULL;
 732                         }
 733                 } else {
 734                         g_free(ipdevice->ipv4_gateway);
 735                         ipdevice->ipv4_gateway = NULL;
 736
 737                         if (ipdevice->config_ipv4 != NULL &&
 738                                 ipdevice->config_ipv4->system != NULL) {
 739                                 g_free(ipdevice->config_ipv4->system->gateway);
 740                                 ipdevice->config_ipv4->system->gateway = NULL;
 741                         }
 742                 }
 743
 744                 for (list = ipdevice->address_list; list; list = list->next) {
 745                         struct connman_ipaddress *ipaddress = list->data;
 746
 747                         g_free(ipaddress->gateway);
 748                         ipaddress->gateway = NULL;
 749                 }
 750
 751                 for (config_list = g_list_first(ipconfig_list); config_list;
 752                                         config_list = g_list_next(config_list)) {
 753                         struct connman_ipconfig *ipconfig = config_list->data;
 754
 755                         if (index != ipconfig->index)
 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         connman_info("%s {del} route %s gw %s scope %u <%s>",
 767                                         ipdevice->ifname, dst, gateway,
 768                                                 scope, scope2str(scope));
 769 }
 770
 771 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 772                                                         void *user_data)
 773 {
 774         GList *list, *keys;
 775
 776         keys = g_hash_table_get_keys(ipdevice_hash);
 777         if (keys == NULL)
 778                 return;
 779
 780         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 781                 int index = GPOINTER_TO_INT(list->data);
 782
 783                 function(index, user_data);
 784         }
 785
 786         g_list_free(keys);
 787 }
 788
 789 unsigned short __connman_ipconfig_get_type(int index)
 790 {
 791         struct connman_ipdevice *ipdevice;
 792
 793         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 794         if (ipdevice == NULL)
 795                 return ARPHRD_VOID;
 796
 797         return ipdevice->type;
 798 }
 799
 800 unsigned int __connman_ipconfig_get_flags(int index)
 801 {
 802         struct connman_ipdevice *ipdevice;
 803
 804         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 805         if (ipdevice == NULL)
 806                 return 0;
 807
 808         return ipdevice->flags;
 809 }
 810
 811 const char *__connman_ipconfig_get_gateway(int index)
 812 {
 813         struct connman_ipdevice *ipdevice;
 814
 815         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 816         if (ipdevice == NULL)
 817                 return NULL;
 818
 819         if (ipdevice->ipv4_gateway != NULL)
 820                 return ipdevice->ipv4_gateway;
 821
 822         if (ipdevice->config_ipv4 != NULL &&
 823                         ipdevice->config_ipv4->address != NULL)
 824                 return ipdevice->config_ipv4->address->gateway;
 825
 826         if (ipdevice->ipv6_gateway != NULL)
 827                 return ipdevice->ipv6_gateway;
 828
 829         if (ipdevice->config_ipv6 != NULL &&
 830                         ipdevice->config_ipv6->address != NULL)
 831                 return ipdevice->config_ipv6->address->gateway;
 832
 833         return NULL;
 834 }
 835
 836 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 837 {
 838         ipconfig->index = index;
 839 }
 840
 841 static struct connman_ipconfig *create_ipv6config(int index)
 842 {
 843         struct connman_ipconfig *ipv6config;
 844
 845         DBG("index %d", index);
 846
 847         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 848         if (ipv6config == NULL)
 849                 return NULL;
 850
 851         ipv6config->refcount = 1;
 852
 853         ipv6config->index = index;
 854         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 855         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
 856
 857         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 858         if (ipv6config->address == NULL) {
 859                 g_free(ipv6config);
 860                 return NULL;
 861         }
 862
 863         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 864
 865         DBG("ipconfig %p", ipv6config);
 866
 867         return ipv6config;
 868 }
 869
 870 /**
 871  * connman_ipconfig_create:
 872  *
 873  * Allocate a new ipconfig structure.
 874  *
 875  * Returns: a newly-allocated #connman_ipconfig structure
 876  */
 877 struct connman_ipconfig *connman_ipconfig_create(int index,
 878                                         enum connman_ipconfig_type type)
 879 {
 880         struct connman_ipconfig *ipconfig;
 881
 882         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 883                 return create_ipv6config(index);
 884
 885         DBG("index %d", index);
 886
 887         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 888         if (ipconfig == NULL)
 889                 return NULL;
 890
 891         ipconfig->refcount = 1;
 892
 893         ipconfig->index = index;
 894         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 895
 896         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 897         if (ipconfig->address == NULL) {
 898                 g_free(ipconfig);
 899                 return NULL;
 900         }
 901
 902         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 903
 904         DBG("ipconfig %p", ipconfig);
 905
 906         return ipconfig;
 907 }
 908
 909
 910 /**
 911  * connman_ipconfig_ref:
 912  * @ipconfig: ipconfig structure
 913  *
 914  * Increase reference counter of ipconfig
 915  */
 916 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 917 {
 918         g_atomic_int_inc(&ipconfig->refcount);
 919
 920         return ipconfig;
 921 }
 922
 923 /**
 924  * connman_ipconfig_unref:
 925  * @ipconfig: ipconfig structure
 926  *
 927  * Decrease reference counter of ipconfig
 928  */
 929 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 930 {
 931         if (ipconfig &&
 932                 g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 933                 __connman_ipconfig_disable(ipconfig);
 934
 935                 connman_ipconfig_set_ops(ipconfig, NULL);
 936
 937                 if (ipconfig->origin != NULL) {
 938                         connman_ipconfig_unref(ipconfig->origin);
 939                         ipconfig->origin = NULL;
 940                 }
 941
 942                 connman_ipaddress_free(ipconfig->system);
 943                 connman_ipaddress_free(ipconfig->address);
 944                 g_free(ipconfig);
 945         }
 946 }
 947
 948 /**
 949  * connman_ipconfig_get_data:
 950  * @ipconfig: ipconfig structure
 951  *
 952  * Get private data pointer
 953  */
 954 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 955 {
 956         if (ipconfig == NULL)
 957                 return NULL;
 958
 959         return ipconfig->ops_data;
 960 }
 961
 962 /**
 963  * connman_ipconfig_set_data:
 964  * @ipconfig: ipconfig structure
 965  * @data: data pointer
 966  *
 967  * Set private data pointer
 968  */
 969 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
 970 {
 971         ipconfig->ops_data = data;
 972 }
 973
 974 /**
 975  * connman_ipconfig_get_index:
 976  * @ipconfig: ipconfig structure
 977  *
 978  * Get interface index
 979  */
 980 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 981 {
 982         if (ipconfig == NULL)
 983                 return -1;
 984
 985         if (ipconfig->origin != NULL)
 986                 return ipconfig->origin->index;
 987
 988         return ipconfig->index;
 989 }
 990
 991 /**
 992  * connman_ipconfig_get_ifname:
 993  * @ipconfig: ipconfig structure
 994  *
 995  * Get interface name
 996  */
 997 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
 998 {
 999         struct connman_ipdevice *ipdevice;
1000
1001         if (ipconfig == NULL)
1002                 return NULL;
1003
1004         if (ipconfig->index < 0)
1005                 return NULL;
1006
1007         ipdevice = g_hash_table_lookup(ipdevice_hash,
1008                                         GINT_TO_POINTER(ipconfig->index));
1009         if (ipdevice == NULL)
1010                 return NULL;
1011
1012         return ipdevice->ifname;
1013 }
1014
1015 /**
1016  * connman_ipconfig_set_ops:
1017  * @ipconfig: ipconfig structure
1018  * @ops: operation callbacks
1019  *
1020  * Set the operation callbacks
1021  */
1022 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1023                                 const struct connman_ipconfig_ops *ops)
1024 {
1025         ipconfig->ops = ops;
1026 }
1027
1028 /**
1029  * connman_ipconfig_set_method:
1030  * @ipconfig: ipconfig structure
1031  * @method: configuration method
1032  *
1033  * Set the configuration method
1034  */
1035 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1036                                         enum connman_ipconfig_method method)
1037 {
1038         ipconfig->method = method;
1039
1040         return 0;
1041 }
1042
1043 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1044 {
1045         if (ipconfig == NULL)
1046                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1047
1048         return ipconfig->method;
1049 }
1050
1051 /**
1052  * connman_ipconfig_bind:
1053  * @ipconfig: ipconfig structure
1054  * @ipaddress: ipaddress structure
1055  *
1056  * Bind IP address details to configuration
1057  */
1058 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1059                                         struct connman_ipaddress *ipaddress)
1060 {
1061         struct connman_ipconfig *origin;
1062
1063         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1064
1065         connman_ipaddress_copy(origin->address, ipaddress);
1066
1067         connman_inet_set_address(origin->index, origin->address);
1068 }
1069
1070 void __connman_ipconfig_set_element_ipv6_gateway(
1071                         struct connman_ipconfig *ipconfig,
1072                                 struct connman_element *element)
1073 {
1074         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1075                 element->ipv6.gateway = ipconfig->address->gateway;
1076 }
1077
1078 /*
1079  * FIXME: The element soulution should be removed in the future
1080  * Set IPv4 and IPv6 gateway
1081  */
1082 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1083                                                 struct connman_element *parent)
1084 {
1085         struct connman_element *connection;
1086
1087         connection = connman_element_create(NULL);
1088
1089         DBG("ipconfig %p", ipconfig);
1090
1091         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1092         connection->index = ipconfig->index;
1093
1094         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1095                 connection->ipv4.gateway = ipconfig->address->gateway;
1096         else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1097                 connection->ipv6.gateway = ipconfig->address->gateway;
1098
1099         if (connman_element_register(connection, parent) < 0)
1100                 connman_element_unref(connection);
1101
1102         return 0;
1103 }
1104
1105 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1106 {
1107         DBG("");
1108
1109         switch (ipconfig->method) {
1110         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1111         case CONNMAN_IPCONFIG_METHOD_OFF:
1112         case CONNMAN_IPCONFIG_METHOD_FIXED:
1113         case CONNMAN_IPCONFIG_METHOD_DHCP:
1114                 break;
1115         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1116                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1117                         return connman_inet_set_address(ipconfig->index,
1118                                                         ipconfig->address);
1119                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1120                         return connman_inet_set_ipv6_address(
1121                                         ipconfig->index, ipconfig->address);
1122         }
1123
1124         return 0;
1125 }
1126
1127 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1128 {
1129         DBG("");
1130
1131         if (ipconfig == NULL)
1132                 return 0;
1133
1134         DBG("method %d", ipconfig->method);
1135
1136         switch (ipconfig->method) {
1137         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1138         case CONNMAN_IPCONFIG_METHOD_OFF:
1139         case CONNMAN_IPCONFIG_METHOD_FIXED:
1140         case CONNMAN_IPCONFIG_METHOD_DHCP:
1141                 break;
1142         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1143                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1144                         return connman_inet_clear_address(ipconfig->index,
1145                                                         ipconfig->address);
1146                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1147                         return connman_inet_clear_ipv6_address(
1148                                                 ipconfig->index,
1149                                                 ipconfig->address->local,
1150                                                 ipconfig->address->prefixlen);
1151         }
1152
1153         return 0;
1154 }
1155
1156 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1157                                                         const char *url)
1158 {
1159         struct connman_ipdevice *ipdevice;
1160
1161         DBG("ipconfig %p", ipconfig);
1162
1163         if (ipconfig == NULL || ipconfig->index < 0)
1164                 return -ENODEV;
1165
1166         ipdevice = g_hash_table_lookup(ipdevice_hash,
1167                                         GINT_TO_POINTER(ipconfig->index));
1168         if (ipdevice == NULL)
1169                 return -ENXIO;
1170
1171         g_free(ipdevice->pac);
1172         ipdevice->pac = g_strdup(url);
1173
1174         return 0;
1175 }
1176
1177 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1178 {
1179         struct connman_ipdevice *ipdevice;
1180
1181         DBG("ipconfig %p", ipconfig);
1182
1183         if (ipconfig == NULL || ipconfig->index < 0)
1184                 return NULL;
1185
1186         ipdevice = g_hash_table_lookup(ipdevice_hash,
1187                                         GINT_TO_POINTER(ipconfig->index));
1188         if (ipdevice == NULL)
1189                 return NULL;
1190
1191         return ipdevice->pac;
1192 }
1193
1194 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1195 {
1196         struct connman_ipdevice *ipdevice;
1197         gboolean up = FALSE, down = FALSE;
1198         gboolean lower_up = FALSE, lower_down = FALSE;
1199         enum connman_ipconfig_type type;
1200
1201         DBG("ipconfig %p", ipconfig);
1202
1203         if (ipconfig == NULL || ipconfig->index < 0)
1204                 return -ENODEV;
1205
1206         ipdevice = g_hash_table_lookup(ipdevice_hash,
1207                                         GINT_TO_POINTER(ipconfig->index));
1208         if (ipdevice == NULL)
1209                 return -ENXIO;
1210
1211         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1212                 if (ipdevice->config_ipv4 == ipconfig)
1213                         return -EALREADY;
1214                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1215         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1216                 if (ipdevice->config_ipv6 == ipconfig)
1217                         return -EALREADY;
1218                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1219         } else
1220                 return -EINVAL;
1221
1222         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1223                                         ipdevice->config_ipv4 != NULL) {
1224                 ipconfig_list = g_list_remove(ipconfig_list,
1225                                                         ipdevice->config_ipv4);
1226
1227                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1228
1229                 connman_ipconfig_unref(ipdevice->config_ipv4);
1230         }
1231
1232         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1233                                         ipdevice->config_ipv6 != NULL) {
1234                 ipconfig_list = g_list_remove(ipconfig_list,
1235                                                         ipdevice->config_ipv6);
1236
1237                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1238
1239                 connman_ipconfig_unref(ipdevice->config_ipv6);
1240         }
1241
1242         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1243                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1244         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1245                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1246
1247         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1248
1249         if (ipdevice->flags & IFF_UP)
1250                 up = TRUE;
1251         else
1252                 down = TRUE;
1253
1254         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1255                         (IFF_RUNNING | IFF_LOWER_UP))
1256                 lower_up = TRUE;
1257         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1258                 lower_down = TRUE;
1259
1260         if (up == TRUE && ipconfig->ops->up)
1261                 ipconfig->ops->up(ipconfig);
1262         if (lower_up == TRUE && ipconfig->ops->lower_up)
1263                 ipconfig->ops->lower_up(ipconfig);
1264
1265         if (lower_down == TRUE && ipconfig->ops->lower_down)
1266                 ipconfig->ops->lower_down(ipconfig);
1267         if (down == TRUE && ipconfig->ops->down)
1268                 ipconfig->ops->down(ipconfig);
1269
1270         return 0;
1271 }
1272
1273 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1274 {
1275         struct connman_ipdevice *ipdevice;
1276
1277         DBG("ipconfig %p", ipconfig);
1278
1279         if (ipconfig == NULL || ipconfig->index < 0)
1280                 return -ENODEV;
1281
1282         ipdevice = g_hash_table_lookup(ipdevice_hash,
1283                                         GINT_TO_POINTER(ipconfig->index));
1284         if (ipdevice == NULL)
1285                 return -ENXIO;
1286
1287         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1288                 return -EINVAL;
1289
1290         if (ipdevice->config_ipv4 == ipconfig) {
1291                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1292
1293                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1294                 connman_ipconfig_unref(ipdevice->config_ipv4);
1295                 ipdevice->config_ipv4 = NULL;
1296                 return 0;
1297         }
1298
1299         if (ipdevice->config_ipv6 == ipconfig) {
1300                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1301
1302                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1303                 connman_ipconfig_unref(ipdevice->config_ipv6);
1304                 ipdevice->config_ipv6 = NULL;
1305                 return 0;
1306         }
1307
1308         return -EINVAL;
1309 }
1310
1311 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1312 {
1313         switch (method) {
1314         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1315                 break;
1316         case CONNMAN_IPCONFIG_METHOD_OFF:
1317                 return "off";
1318         case CONNMAN_IPCONFIG_METHOD_FIXED:
1319                 return "fixed";
1320         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1321                 return "manual";
1322         case CONNMAN_IPCONFIG_METHOD_DHCP:
1323                 return "dhcp";
1324         }
1325
1326         return NULL;
1327 }
1328
1329 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1330 {
1331         if (g_strcmp0(method, "off") == 0)
1332                 return CONNMAN_IPCONFIG_METHOD_OFF;
1333         else if (g_strcmp0(method, "fixed") == 0)
1334                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1335         else if (g_strcmp0(method, "manual") == 0)
1336                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1337         else if (g_strcmp0(method, "dhcp") == 0)
1338                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1339         else
1340                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1341 }
1342
1343 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1344                                                         DBusMessageIter *iter)
1345 {
1346         const char *str;
1347
1348         DBG("");
1349
1350         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1351                 return;
1352
1353         str = __connman_ipconfig_method2string(ipconfig->method);
1354         if (str == NULL)
1355                 return;
1356
1357         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1358
1359         if (ipconfig->system == NULL)
1360                 return;
1361
1362         if (ipconfig->system->local != NULL) {
1363                 in_addr_t addr;
1364                 struct in_addr netmask;
1365                 char *mask;
1366
1367                 connman_dbus_dict_append_basic(iter, "Address",
1368                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1369
1370                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1371                 netmask.s_addr = htonl(addr);
1372                 mask = inet_ntoa(netmask);
1373                 connman_dbus_dict_append_basic(iter, "Netmask",
1374                                                 DBUS_TYPE_STRING, &mask);
1375         }
1376
1377         if (ipconfig->system->gateway != NULL)
1378                 connman_dbus_dict_append_basic(iter, "Gateway",
1379                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1380 }
1381
1382 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1383                                                         DBusMessageIter *iter)
1384 {
1385         const char *str;
1386
1387         DBG("");
1388
1389         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1390                 return;
1391
1392         str = __connman_ipconfig_method2string(ipconfig->method);
1393         if (str == NULL)
1394                 return;
1395
1396         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1397
1398         if (ipconfig->system == NULL)
1399                 return;
1400
1401         if (ipconfig->system->local != NULL) {
1402                 connman_dbus_dict_append_basic(iter, "Address",
1403                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1404                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1405                                                 DBUS_TYPE_BYTE,
1406                                                 &ipconfig->system->prefixlen);
1407         }
1408
1409         if (ipconfig->system->gateway != NULL)
1410                 connman_dbus_dict_append_basic(iter, "Gateway",
1411                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1412 }
1413
1414 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1415                                                         DBusMessageIter *iter)
1416 {
1417         const char *str;
1418
1419         DBG("");
1420
1421         str = __connman_ipconfig_method2string(ipconfig->method);
1422         if (str == NULL)
1423                 return;
1424
1425         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1426
1427         switch (ipconfig->method) {
1428         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1429         case CONNMAN_IPCONFIG_METHOD_OFF:
1430         case CONNMAN_IPCONFIG_METHOD_DHCP:
1431                 return;
1432         case CONNMAN_IPCONFIG_METHOD_FIXED:
1433         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1434                 break;
1435         }
1436
1437         if (ipconfig->address == NULL)
1438                 return;
1439
1440         if (ipconfig->address->local != NULL) {
1441                 connman_dbus_dict_append_basic(iter, "Address",
1442                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1443                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1444                                                 DBUS_TYPE_BYTE,
1445                                                 &ipconfig->address->prefixlen);
1446         }
1447
1448         if (ipconfig->address->gateway != NULL)
1449                 connman_dbus_dict_append_basic(iter, "Gateway",
1450                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1451 }
1452
1453 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1454                                                         DBusMessageIter *iter)
1455 {
1456         const char *str;
1457
1458         DBG("");
1459
1460         str = __connman_ipconfig_method2string(ipconfig->method);
1461         if (str == NULL)
1462                 return;
1463
1464         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1465
1466         switch (ipconfig->method) {
1467         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1468         case CONNMAN_IPCONFIG_METHOD_OFF:
1469         case CONNMAN_IPCONFIG_METHOD_FIXED:
1470         case CONNMAN_IPCONFIG_METHOD_DHCP:
1471                 return;
1472         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1473                 break;
1474         }
1475
1476         if (ipconfig->address == NULL)
1477                 return;
1478
1479         if (ipconfig->address->local != NULL) {
1480                 in_addr_t addr;
1481                 struct in_addr netmask;
1482                 char *mask;
1483
1484                 connman_dbus_dict_append_basic(iter, "Address",
1485                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1486
1487                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1488                 netmask.s_addr = htonl(addr);
1489                 mask = inet_ntoa(netmask);
1490                 connman_dbus_dict_append_basic(iter, "Netmask",
1491                                                 DBUS_TYPE_STRING, &mask);
1492         }
1493
1494         if (ipconfig->address->gateway != NULL)
1495                 connman_dbus_dict_append_basic(iter, "Gateway",
1496                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1497 }
1498
1499 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1500                 enum connman_ipconfig_type type, DBusMessageIter *array)
1501 {
1502         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1503         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1504                         *prefix_length_string = NULL;
1505         int prefix_length = 0;
1506         DBusMessageIter dict;
1507
1508         DBG("ipconfig %p type %d", ipconfig, type);
1509
1510         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1511                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1512                 return -EINVAL;
1513
1514         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1515                 return -EINVAL;
1516
1517         dbus_message_iter_recurse(array, &dict);
1518
1519         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1520                 DBusMessageIter entry;
1521                 const char *key;
1522                 int type;
1523
1524                 dbus_message_iter_recurse(&dict, &entry);
1525
1526                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1527                         return -EINVAL;
1528
1529                 dbus_message_iter_get_basic(&entry, &key);
1530                 dbus_message_iter_next(&entry);
1531
1532                 type = dbus_message_iter_get_arg_type(&entry);
1533
1534                 if (g_str_equal(key, "Method") == TRUE) {
1535                         const char *str;
1536
1537                         if (type != DBUS_TYPE_STRING)
1538                                 return -EINVAL;
1539
1540                         dbus_message_iter_get_basic(&entry, &str);
1541                         method = __connman_ipconfig_string2method(str);
1542                 } else if (g_str_equal(key, "Address") == TRUE) {
1543                         if (type != DBUS_TYPE_STRING)
1544                                 return -EINVAL;
1545
1546                         dbus_message_iter_get_basic(&entry, &address);
1547                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1548                         if (type != DBUS_TYPE_STRING)
1549                                 return -EINVAL;
1550
1551                         dbus_message_iter_get_basic(&entry,
1552                                                         &prefix_length_string);
1553
1554                         prefix_length = atoi(prefix_length_string);
1555                         if (prefix_length < 0 || prefix_length > 128)
1556                                 return -EINVAL;
1557
1558                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1559                         if (type != DBUS_TYPE_STRING)
1560                                 return -EINVAL;
1561
1562                         dbus_message_iter_get_basic(&entry, &netmask);
1563                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1564                         if (type != DBUS_TYPE_STRING)
1565                                 return -EINVAL;
1566
1567                         dbus_message_iter_get_basic(&entry, &gateway);
1568                 }
1569                 dbus_message_iter_next(&dict);
1570         }
1571
1572         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1573                         method, address, netmask, gateway, prefix_length);
1574
1575         switch (method) {
1576         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1577         case CONNMAN_IPCONFIG_METHOD_OFF:
1578         case CONNMAN_IPCONFIG_METHOD_FIXED:
1579                 return -EINVAL;
1580
1581         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1582                 if (address == NULL)
1583                         return -EINVAL;
1584
1585                 ipconfig->method = method;
1586
1587                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1588                         connman_ipaddress_set_ipv4(ipconfig->address,
1589                                                 address, netmask, gateway);
1590                 else
1591                         return connman_ipaddress_set_ipv6(
1592                                         ipconfig->address, address,
1593                                                 gateway, prefix_length);
1594                 break;
1595
1596         case CONNMAN_IPCONFIG_METHOD_DHCP:
1597                 if (ipconfig->method == method)
1598                         return 0;
1599
1600                 ipconfig->method = method;
1601                 break;
1602         }
1603
1604         return 0;
1605 }
1606
1607 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1608                                                         DBusMessageIter *iter)
1609 {
1610         struct connman_ipdevice *ipdevice;
1611         const char *method = "auto";
1612
1613         connman_dbus_dict_append_basic(iter, "Method",
1614                                                 DBUS_TYPE_STRING, &method);
1615
1616         ipdevice = g_hash_table_lookup(ipdevice_hash,
1617                                         GINT_TO_POINTER(ipconfig->index));
1618         if (ipdevice == NULL)
1619                 return;
1620
1621         if (ipdevice->ifname != NULL)
1622                 connman_dbus_dict_append_basic(iter, "Interface",
1623                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1624
1625         if (ipdevice->address != NULL)
1626                 connman_dbus_dict_append_basic(iter, "Address",
1627                                         DBUS_TYPE_STRING, &ipdevice->address);
1628
1629         if (ipdevice->mtu > 0)
1630                 connman_dbus_dict_append_basic(iter, "MTU",
1631                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1632 }
1633
1634 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1635                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1636 {
1637         char *method;
1638         char *key;
1639
1640         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1641
1642         key = g_strdup_printf("%smethod", prefix);
1643         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1644         if (method == NULL) {
1645                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1646                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1647                 else
1648                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1649         } else
1650                 ipconfig->method = __connman_ipconfig_string2method(method);
1651
1652         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
1653                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1654
1655         g_free(method);
1656         g_free(key);
1657
1658         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1659         ipconfig->address->prefixlen = g_key_file_get_integer(
1660                                 keyfile, identifier, key, NULL);
1661         g_free(key);
1662
1663         key = g_strdup_printf("%slocal_address", prefix);
1664         ipconfig->address->local = g_key_file_get_string(
1665                         keyfile, identifier, key, NULL);
1666         g_free(key);
1667
1668         key = g_strdup_printf("%speer_address", prefix);
1669         ipconfig->address->peer = g_key_file_get_string(
1670                                 keyfile, identifier, key, NULL);
1671         g_free(key);
1672
1673         key = g_strdup_printf("%sbroadcast_address", prefix);
1674         ipconfig->address->broadcast = g_key_file_get_string(
1675                                 keyfile, identifier, key, NULL);
1676         g_free(key);
1677
1678         key = g_strdup_printf("%sgateway", prefix);
1679         ipconfig->address->gateway = g_key_file_get_string(
1680                                 keyfile, identifier, key, NULL);
1681         g_free(key);
1682
1683         return 0;
1684 }
1685
1686 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1687                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1688 {
1689         const char *method;
1690         char *key;
1691
1692         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1693
1694         method = __connman_ipconfig_method2string(ipconfig->method);
1695
1696         key = g_strdup_printf("%smethod", prefix);
1697         g_key_file_set_string(keyfile, identifier, key, method);
1698         g_free(key);
1699
1700         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1701         g_key_file_set_integer(keyfile, identifier,
1702                         key, ipconfig->address->prefixlen);
1703         g_free(key);
1704
1705         key = g_strdup_printf("%slocal_address", prefix);
1706         if (ipconfig->address->local != NULL)
1707                 g_key_file_set_string(keyfile, identifier,
1708                                 key, ipconfig->address->local);
1709         g_free(key);
1710
1711         key = g_strdup_printf("%speer_address", prefix);
1712         if (ipconfig->address->peer != NULL)
1713                 g_key_file_set_string(keyfile, identifier,
1714                                 key, ipconfig->address->peer);
1715         g_free(key);
1716
1717         key = g_strdup_printf("%sbroadcast_address", prefix);
1718         if (ipconfig->address->broadcast != NULL)
1719                 g_key_file_set_string(keyfile, identifier,
1720                         key, ipconfig->address->broadcast);
1721         g_free(key);
1722
1723         key = g_strdup_printf("%sgateway", prefix);
1724         if (ipconfig->address->gateway != NULL)
1725                 g_key_file_set_string(keyfile, identifier,
1726                         key, ipconfig->address->gateway);
1727         g_free(key);
1728
1729         return 0;
1730 }
1731
1732 int __connman_ipconfig_init(void)
1733 {
1734         DBG("");
1735
1736         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1737                                                         NULL, free_ipdevice);
1738
1739         return 0;
1740 }
1741
1742 void __connman_ipconfig_cleanup(void)
1743 {
1744         DBG("");
1745
1746         g_hash_table_destroy(ipdevice_hash);
1747         ipdevice_hash = NULL;
1748 }