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         return ipconfig->ops_data;
 957 }
 958
 959 /**
 960  * connman_ipconfig_set_data:
 961  * @ipconfig: ipconfig structure
 962  * @data: data pointer
 963  *
 964  * Set private data pointer
 965  */
 966 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
 967 {
 968         ipconfig->ops_data = data;
 969 }
 970
 971 /**
 972  * connman_ipconfig_get_index:
 973  * @ipconfig: ipconfig structure
 974  *
 975  * Get interface index
 976  */
 977 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 978 {
 979         if (ipconfig == NULL)
 980                 return -1;
 981
 982         if (ipconfig->origin != NULL)
 983                 return ipconfig->origin->index;
 984
 985         return ipconfig->index;
 986 }
 987
 988 /**
 989  * connman_ipconfig_get_ifname:
 990  * @ipconfig: ipconfig structure
 991  *
 992  * Get interface name
 993  */
 994 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
 995 {
 996         struct connman_ipdevice *ipdevice;
 997
 998         if (ipconfig == NULL)
 999                 return NULL;
1000
1001         if (ipconfig->index < 0)
1002                 return NULL;
1003
1004         ipdevice = g_hash_table_lookup(ipdevice_hash,
1005                                         GINT_TO_POINTER(ipconfig->index));
1006         if (ipdevice == NULL)
1007                 return NULL;
1008
1009         return ipdevice->ifname;
1010 }
1011
1012 /**
1013  * connman_ipconfig_set_ops:
1014  * @ipconfig: ipconfig structure
1015  * @ops: operation callbacks
1016  *
1017  * Set the operation callbacks
1018  */
1019 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1020                                 const struct connman_ipconfig_ops *ops)
1021 {
1022         ipconfig->ops = ops;
1023 }
1024
1025 /**
1026  * connman_ipconfig_set_method:
1027  * @ipconfig: ipconfig structure
1028  * @method: configuration method
1029  *
1030  * Set the configuration method
1031  */
1032 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1033                                         enum connman_ipconfig_method method)
1034 {
1035         ipconfig->method = method;
1036
1037         return 0;
1038 }
1039
1040 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1041 {
1042         if (ipconfig == NULL)
1043                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1044
1045         return ipconfig->method;
1046 }
1047
1048 /**
1049  * connman_ipconfig_bind:
1050  * @ipconfig: ipconfig structure
1051  * @ipaddress: ipaddress structure
1052  *
1053  * Bind IP address details to configuration
1054  */
1055 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1056                                         struct connman_ipaddress *ipaddress)
1057 {
1058         struct connman_ipconfig *origin;
1059
1060         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1061
1062         connman_ipaddress_copy(origin->address, ipaddress);
1063
1064         connman_inet_set_address(origin->index, origin->address);
1065 }
1066
1067 void __connman_ipconfig_set_element_ipv6_gateway(
1068                         struct connman_ipconfig *ipconfig,
1069                                 struct connman_element *element)
1070 {
1071         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1072                 element->ipv6.gateway = ipconfig->address->gateway;
1073 }
1074
1075 /*
1076  * FIXME: The element soulution should be removed in the future
1077  * Set IPv4 and IPv6 gateway
1078  */
1079 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1080                                                 struct connman_element *parent)
1081 {
1082         struct connman_element *connection;
1083
1084         connection = connman_element_create(NULL);
1085
1086         DBG("ipconfig %p", ipconfig);
1087
1088         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1089         connection->index = ipconfig->index;
1090
1091         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1092                 connection->ipv4.gateway = ipconfig->address->gateway;
1093         else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1094                 connection->ipv6.gateway = ipconfig->address->gateway;
1095
1096         if (connman_element_register(connection, parent) < 0)
1097                 connman_element_unref(connection);
1098
1099         return 0;
1100 }
1101
1102 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1103 {
1104         DBG("");
1105
1106         switch (ipconfig->method) {
1107         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1108         case CONNMAN_IPCONFIG_METHOD_OFF:
1109         case CONNMAN_IPCONFIG_METHOD_FIXED:
1110         case CONNMAN_IPCONFIG_METHOD_DHCP:
1111                 break;
1112         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1113                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1114                         return connman_inet_set_address(ipconfig->index,
1115                                                         ipconfig->address);
1116                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1117                         return connman_inet_set_ipv6_address(
1118                                         ipconfig->index, ipconfig->address);
1119         }
1120
1121         return 0;
1122 }
1123
1124 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1125 {
1126         DBG("");
1127
1128         if (ipconfig == NULL)
1129                 return 0;
1130
1131         DBG("method %d", ipconfig->method);
1132
1133         switch (ipconfig->method) {
1134         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1135         case CONNMAN_IPCONFIG_METHOD_OFF:
1136         case CONNMAN_IPCONFIG_METHOD_FIXED:
1137         case CONNMAN_IPCONFIG_METHOD_DHCP:
1138                 break;
1139         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1140                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1141                         return connman_inet_clear_address(ipconfig->index,
1142                                                         ipconfig->address);
1143                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1144                         return connman_inet_clear_ipv6_address(
1145                                                 ipconfig->index,
1146                                                 ipconfig->address->local,
1147                                                 ipconfig->address->prefixlen);
1148         }
1149
1150         return 0;
1151 }
1152
1153 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1154                                                         const char *url)
1155 {
1156         struct connman_ipdevice *ipdevice;
1157
1158         DBG("ipconfig %p", ipconfig);
1159
1160         if (ipconfig == NULL || ipconfig->index < 0)
1161                 return -ENODEV;
1162
1163         ipdevice = g_hash_table_lookup(ipdevice_hash,
1164                                         GINT_TO_POINTER(ipconfig->index));
1165         if (ipdevice == NULL)
1166                 return -ENXIO;
1167
1168         g_free(ipdevice->pac);
1169         ipdevice->pac = g_strdup(url);
1170
1171         return 0;
1172 }
1173
1174 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1175 {
1176         struct connman_ipdevice *ipdevice;
1177
1178         DBG("ipconfig %p", ipconfig);
1179
1180         if (ipconfig == NULL || ipconfig->index < 0)
1181                 return NULL;
1182
1183         ipdevice = g_hash_table_lookup(ipdevice_hash,
1184                                         GINT_TO_POINTER(ipconfig->index));
1185         if (ipdevice == NULL)
1186                 return NULL;
1187
1188         return ipdevice->pac;
1189 }
1190
1191 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1192 {
1193         struct connman_ipdevice *ipdevice;
1194         gboolean up = FALSE, down = FALSE;
1195         gboolean lower_up = FALSE, lower_down = FALSE;
1196         enum connman_ipconfig_type type;
1197
1198         DBG("ipconfig %p", ipconfig);
1199
1200         if (ipconfig == NULL || ipconfig->index < 0)
1201                 return -ENODEV;
1202
1203         ipdevice = g_hash_table_lookup(ipdevice_hash,
1204                                         GINT_TO_POINTER(ipconfig->index));
1205         if (ipdevice == NULL)
1206                 return -ENXIO;
1207
1208         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1209                 if (ipdevice->config_ipv4 == ipconfig)
1210                         return -EALREADY;
1211                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1212         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1213                 if (ipdevice->config_ipv6 == ipconfig)
1214                         return -EALREADY;
1215                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1216         } else
1217                 return -EINVAL;
1218
1219         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1220                                         ipdevice->config_ipv4 != NULL) {
1221                 ipconfig_list = g_list_remove(ipconfig_list,
1222                                                         ipdevice->config_ipv4);
1223
1224                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1225
1226                 connman_ipconfig_unref(ipdevice->config_ipv4);
1227         }
1228
1229         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1230                                         ipdevice->config_ipv6 != NULL) {
1231                 ipconfig_list = g_list_remove(ipconfig_list,
1232                                                         ipdevice->config_ipv6);
1233
1234                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1235
1236                 connman_ipconfig_unref(ipdevice->config_ipv6);
1237         }
1238
1239         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1240                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1241         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1242                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1243
1244         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1245
1246         if (ipdevice->flags & IFF_UP)
1247                 up = TRUE;
1248         else
1249                 down = TRUE;
1250
1251         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1252                         (IFF_RUNNING | IFF_LOWER_UP))
1253                 lower_up = TRUE;
1254         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1255                 lower_down = TRUE;
1256
1257         if (up == TRUE && ipconfig->ops->up)
1258                 ipconfig->ops->up(ipconfig);
1259         if (lower_up == TRUE && ipconfig->ops->lower_up)
1260                 ipconfig->ops->lower_up(ipconfig);
1261
1262         if (lower_down == TRUE && ipconfig->ops->lower_down)
1263                 ipconfig->ops->lower_down(ipconfig);
1264         if (down == TRUE && ipconfig->ops->down)
1265                 ipconfig->ops->down(ipconfig);
1266
1267         return 0;
1268 }
1269
1270 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1271 {
1272         struct connman_ipdevice *ipdevice;
1273
1274         DBG("ipconfig %p", ipconfig);
1275
1276         if (ipconfig == NULL || ipconfig->index < 0)
1277                 return -ENODEV;
1278
1279         ipdevice = g_hash_table_lookup(ipdevice_hash,
1280                                         GINT_TO_POINTER(ipconfig->index));
1281         if (ipdevice == NULL)
1282                 return -ENXIO;
1283
1284         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1285                 return -EINVAL;
1286
1287         if (ipdevice->config_ipv4 == ipconfig) {
1288                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1289
1290                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1291                 connman_ipconfig_unref(ipdevice->config_ipv4);
1292                 ipdevice->config_ipv4 = NULL;
1293                 return 0;
1294         }
1295
1296         if (ipdevice->config_ipv6 == ipconfig) {
1297                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1298
1299                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1300                 connman_ipconfig_unref(ipdevice->config_ipv6);
1301                 ipdevice->config_ipv6 = NULL;
1302                 return 0;
1303         }
1304
1305         return -EINVAL;
1306 }
1307
1308 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1309 {
1310         switch (method) {
1311         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1312                 break;
1313         case CONNMAN_IPCONFIG_METHOD_OFF:
1314                 return "off";
1315         case CONNMAN_IPCONFIG_METHOD_FIXED:
1316                 return "fixed";
1317         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1318                 return "manual";
1319         case CONNMAN_IPCONFIG_METHOD_DHCP:
1320                 return "dhcp";
1321         }
1322
1323         return NULL;
1324 }
1325
1326 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1327 {
1328         if (g_strcmp0(method, "off") == 0)
1329                 return CONNMAN_IPCONFIG_METHOD_OFF;
1330         else if (g_strcmp0(method, "fixed") == 0)
1331                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1332         else if (g_strcmp0(method, "manual") == 0)
1333                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1334         else if (g_strcmp0(method, "dhcp") == 0)
1335                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1336         else
1337                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1338 }
1339
1340 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1341                                                         DBusMessageIter *iter)
1342 {
1343         const char *str;
1344
1345         DBG("");
1346
1347         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1348                 return;
1349
1350         str = __connman_ipconfig_method2string(ipconfig->method);
1351         if (str == NULL)
1352                 return;
1353
1354         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1355
1356         if (ipconfig->system == NULL)
1357                 return;
1358
1359         if (ipconfig->system->local != NULL) {
1360                 in_addr_t addr;
1361                 struct in_addr netmask;
1362                 char *mask;
1363
1364                 connman_dbus_dict_append_basic(iter, "Address",
1365                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1366
1367                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1368                 netmask.s_addr = htonl(addr);
1369                 mask = inet_ntoa(netmask);
1370                 connman_dbus_dict_append_basic(iter, "Netmask",
1371                                                 DBUS_TYPE_STRING, &mask);
1372         }
1373
1374         if (ipconfig->system->gateway != NULL)
1375                 connman_dbus_dict_append_basic(iter, "Gateway",
1376                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1377 }
1378
1379 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1380                                                         DBusMessageIter *iter)
1381 {
1382         const char *str;
1383
1384         DBG("");
1385
1386         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1387                 return;
1388
1389         str = __connman_ipconfig_method2string(ipconfig->method);
1390         if (str == NULL)
1391                 return;
1392
1393         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1394
1395         if (ipconfig->system == NULL)
1396                 return;
1397
1398         if (ipconfig->system->local != NULL) {
1399                 connman_dbus_dict_append_basic(iter, "Address",
1400                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1401                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1402                                                 DBUS_TYPE_BYTE,
1403                                                 &ipconfig->system->prefixlen);
1404         }
1405
1406         if (ipconfig->system->gateway != NULL)
1407                 connman_dbus_dict_append_basic(iter, "Gateway",
1408                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1409 }
1410
1411 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1412                                                         DBusMessageIter *iter)
1413 {
1414         const char *str;
1415
1416         DBG("");
1417
1418         str = __connman_ipconfig_method2string(ipconfig->method);
1419         if (str == NULL)
1420                 return;
1421
1422         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1423
1424         switch (ipconfig->method) {
1425         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1426         case CONNMAN_IPCONFIG_METHOD_OFF:
1427         case CONNMAN_IPCONFIG_METHOD_DHCP:
1428                 return;
1429         case CONNMAN_IPCONFIG_METHOD_FIXED:
1430         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1431                 break;
1432         }
1433
1434         if (ipconfig->address == NULL)
1435                 return;
1436
1437         if (ipconfig->address->local != NULL) {
1438                 connman_dbus_dict_append_basic(iter, "Address",
1439                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1440                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1441                                                 DBUS_TYPE_BYTE,
1442                                                 &ipconfig->address->prefixlen);
1443         }
1444
1445         if (ipconfig->address->gateway != NULL)
1446                 connman_dbus_dict_append_basic(iter, "Gateway",
1447                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1448 }
1449
1450 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1451                                                         DBusMessageIter *iter)
1452 {
1453         const char *str;
1454
1455         DBG("");
1456
1457         str = __connman_ipconfig_method2string(ipconfig->method);
1458         if (str == NULL)
1459                 return;
1460
1461         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1462
1463         switch (ipconfig->method) {
1464         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1465         case CONNMAN_IPCONFIG_METHOD_OFF:
1466         case CONNMAN_IPCONFIG_METHOD_FIXED:
1467         case CONNMAN_IPCONFIG_METHOD_DHCP:
1468                 return;
1469         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1470                 break;
1471         }
1472
1473         if (ipconfig->address == NULL)
1474                 return;
1475
1476         if (ipconfig->address->local != NULL) {
1477                 in_addr_t addr;
1478                 struct in_addr netmask;
1479                 char *mask;
1480
1481                 connman_dbus_dict_append_basic(iter, "Address",
1482                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1483
1484                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1485                 netmask.s_addr = htonl(addr);
1486                 mask = inet_ntoa(netmask);
1487                 connman_dbus_dict_append_basic(iter, "Netmask",
1488                                                 DBUS_TYPE_STRING, &mask);
1489         }
1490
1491         if (ipconfig->address->gateway != NULL)
1492                 connman_dbus_dict_append_basic(iter, "Gateway",
1493                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1494 }
1495
1496 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1497                 enum connman_ipconfig_type type, DBusMessageIter *array)
1498 {
1499         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1500         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1501                         *prefix_length_string = NULL;
1502         int prefix_length = 0;
1503         DBusMessageIter dict;
1504
1505         DBG("ipconfig %p type %d", ipconfig, type);
1506
1507         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1508                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1509                 return -EINVAL;
1510
1511         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1512                 return -EINVAL;
1513
1514         dbus_message_iter_recurse(array, &dict);
1515
1516         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1517                 DBusMessageIter entry;
1518                 const char *key;
1519                 int type;
1520
1521                 dbus_message_iter_recurse(&dict, &entry);
1522
1523                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1524                         return -EINVAL;
1525
1526                 dbus_message_iter_get_basic(&entry, &key);
1527                 dbus_message_iter_next(&entry);
1528
1529                 type = dbus_message_iter_get_arg_type(&entry);
1530
1531                 if (g_str_equal(key, "Method") == TRUE) {
1532                         const char *str;
1533
1534                         if (type != DBUS_TYPE_STRING)
1535                                 return -EINVAL;
1536
1537                         dbus_message_iter_get_basic(&entry, &str);
1538                         method = __connman_ipconfig_string2method(str);
1539                 } else if (g_str_equal(key, "Address") == TRUE) {
1540                         if (type != DBUS_TYPE_STRING)
1541                                 return -EINVAL;
1542
1543                         dbus_message_iter_get_basic(&entry, &address);
1544                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1545                         if (type != DBUS_TYPE_STRING)
1546                                 return -EINVAL;
1547
1548                         dbus_message_iter_get_basic(&entry,
1549                                                         &prefix_length_string);
1550
1551                         prefix_length = atoi(prefix_length_string);
1552                         if (prefix_length < 0 || prefix_length > 128)
1553                                 return -EINVAL;
1554
1555                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1556                         if (type != DBUS_TYPE_STRING)
1557                                 return -EINVAL;
1558
1559                         dbus_message_iter_get_basic(&entry, &netmask);
1560                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1561                         if (type != DBUS_TYPE_STRING)
1562                                 return -EINVAL;
1563
1564                         dbus_message_iter_get_basic(&entry, &gateway);
1565                 }
1566                 dbus_message_iter_next(&dict);
1567         }
1568
1569         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1570                         method, address, netmask, gateway, prefix_length);
1571
1572         switch (method) {
1573         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1574         case CONNMAN_IPCONFIG_METHOD_OFF:
1575         case CONNMAN_IPCONFIG_METHOD_FIXED:
1576                 return -EINVAL;
1577
1578         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1579                 if (address == NULL)
1580                         return -EINVAL;
1581
1582                 ipconfig->method = method;
1583
1584                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1585                         connman_ipaddress_set_ipv4(ipconfig->address,
1586                                                 address, netmask, gateway);
1587                 else
1588                         return connman_ipaddress_set_ipv6(
1589                                         ipconfig->address, address,
1590                                                 gateway, prefix_length);
1591                 break;
1592
1593         case CONNMAN_IPCONFIG_METHOD_DHCP:
1594                 if (ipconfig->method == method)
1595                         return 0;
1596
1597                 ipconfig->method = method;
1598                 break;
1599         }
1600
1601         return 0;
1602 }
1603
1604 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1605                                                         DBusMessageIter *iter)
1606 {
1607         struct connman_ipdevice *ipdevice;
1608         const char *method = "auto";
1609
1610         connman_dbus_dict_append_basic(iter, "Method",
1611                                                 DBUS_TYPE_STRING, &method);
1612
1613         ipdevice = g_hash_table_lookup(ipdevice_hash,
1614                                         GINT_TO_POINTER(ipconfig->index));
1615         if (ipdevice == NULL)
1616                 return;
1617
1618         if (ipdevice->ifname != NULL)
1619                 connman_dbus_dict_append_basic(iter, "Interface",
1620                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1621
1622         if (ipdevice->address != NULL)
1623                 connman_dbus_dict_append_basic(iter, "Address",
1624                                         DBUS_TYPE_STRING, &ipdevice->address);
1625
1626         if (ipdevice->mtu > 0)
1627                 connman_dbus_dict_append_basic(iter, "MTU",
1628                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1629 }
1630
1631 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1632                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1633 {
1634         const char *method;
1635         char *key;
1636
1637         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1638
1639         key = g_strdup_printf("%smethod", prefix);
1640         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1641         if (method == NULL) {
1642                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1643                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1644                 else
1645                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1646         } else
1647                 ipconfig->method = __connman_ipconfig_string2method(method);
1648
1649         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
1650                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1651
1652         g_free(key);
1653
1654         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1655         ipconfig->address->prefixlen = g_key_file_get_integer(
1656                                 keyfile, identifier, key, NULL);
1657         g_free(key);
1658
1659         key = g_strdup_printf("%slocal_address", prefix);
1660         ipconfig->address->local = g_key_file_get_string(
1661                         keyfile, identifier, key, NULL);
1662         g_free(key);
1663
1664         key = g_strdup_printf("%speer_address", prefix);
1665         ipconfig->address->peer = g_key_file_get_string(
1666                                 keyfile, identifier, key, NULL);
1667         g_free(key);
1668
1669         key = g_strdup_printf("%sbroadcast_address", prefix);
1670         ipconfig->address->broadcast = g_key_file_get_string(
1671                                 keyfile, identifier, key, NULL);
1672         g_free(key);
1673
1674         key = g_strdup_printf("%sgateway", prefix);
1675         ipconfig->address->gateway = g_key_file_get_string(
1676                                 keyfile, identifier, key, NULL);
1677         g_free(key);
1678
1679         return 0;
1680 }
1681
1682 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1683                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1684 {
1685         const char *method;
1686         char *key;
1687
1688         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1689
1690         method = __connman_ipconfig_method2string(ipconfig->method);
1691
1692         key = g_strdup_printf("%smethod", prefix);
1693         g_key_file_set_string(keyfile, identifier, key, method);
1694         g_free(key);
1695
1696         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1697         g_key_file_set_integer(keyfile, identifier,
1698                         key, ipconfig->address->prefixlen);
1699         g_free(key);
1700
1701         key = g_strdup_printf("%slocal_address", prefix);
1702         if (ipconfig->address->local != NULL)
1703                 g_key_file_set_string(keyfile, identifier,
1704                                 key, ipconfig->address->local);
1705         g_free(key);
1706
1707         key = g_strdup_printf("%speer_address", prefix);
1708         if (ipconfig->address->peer != NULL)
1709                 g_key_file_set_string(keyfile, identifier,
1710                                 key, ipconfig->address->peer);
1711         g_free(key);
1712
1713         key = g_strdup_printf("%sbroadcast_address", prefix);
1714         if (ipconfig->address->broadcast != NULL)
1715                 g_key_file_set_string(keyfile, identifier,
1716                         key, ipconfig->address->broadcast);
1717         g_free(key);
1718
1719         key = g_strdup_printf("%sgateway", prefix);
1720         if (ipconfig->address->gateway != NULL)
1721                 g_key_file_set_string(keyfile, identifier,
1722                         key, ipconfig->address->gateway);
1723         g_free(key);
1724
1725         return 0;
1726 }
1727
1728 int __connman_ipconfig_init(void)
1729 {
1730         DBG("");
1731
1732         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1733                                                         NULL, free_ipdevice);
1734
1735         return 0;
1736 }
1737
1738 void __connman_ipconfig_cleanup(void)
1739 {
1740         DBG("");
1741
1742         g_hash_table_destroy(ipdevice_hash);
1743         ipdevice_hash = NULL;
1744 }