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         struct connman_ipconfig *ipv6;
  55 };
  56
  57 struct connman_ipdevice {
  58         int index;
  59         char *ifname;
  60         unsigned short type;
  61         unsigned int flags;
  62         char *address;
  63         uint16_t mtu;
  64         uint32_t rx_packets;
  65         uint32_t tx_packets;
  66         uint32_t rx_bytes;
  67         uint32_t tx_bytes;
  68         uint32_t rx_errors;
  69         uint32_t tx_errors;
  70         uint32_t rx_dropped;
  71         uint32_t tx_dropped;
  72
  73         GSList *address_list;
  74         char *ipv4_gateway;
  75         char *ipv6_gateway;
  76
  77         char *pac;
  78
  79         struct connman_ipconfig *config;
  80
  81         struct connman_ipconfig_driver *driver;
  82         struct connman_ipconfig *driver_config;
  83 };
  84
  85 static GHashTable *ipdevice_hash = NULL;
  86 static GList *ipconfig_list = NULL;
  87
  88 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  89 {
  90         struct connman_ipaddress *ipaddress;
  91
  92         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  93         if (ipaddress == NULL)
  94                 return NULL;
  95
  96         ipaddress->family = family;
  97         ipaddress->prefixlen = 0;
  98         ipaddress->local = NULL;
  99         ipaddress->peer = NULL;
 100         ipaddress->broadcast = NULL;
 101         ipaddress->gateway = NULL;
 102
 103         return ipaddress;
 104 }
 105
 106 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 107 {
 108         if (ipaddress == NULL)
 109                 return;
 110
 111         g_free(ipaddress->broadcast);
 112         g_free(ipaddress->peer);
 113         g_free(ipaddress->local);
 114         g_free(ipaddress->gateway);
 115         g_free(ipaddress);
 116 }
 117
 118 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 119 {
 120         unsigned char bits;
 121         in_addr_t mask;
 122         in_addr_t host;
 123
 124         if (netmask == NULL)
 125                 return 32;
 126
 127         mask = inet_network(netmask);
 128         host = ~mask;
 129
 130         /* a valid netmask must be 2^n - 1 */
 131         if ((host & (host + 1)) != 0)
 132                 return -1;
 133
 134         bits = 0;
 135         for (; mask; mask <<= 1)
 136                 ++bits;
 137
 138         return bits;
 139 }
 140
 141 static gboolean check_ipv6_address(const char *address)
 142 {
 143         unsigned char buf[sizeof(struct in6_addr)];
 144         int err;
 145
 146         err = inet_pton(AF_INET6, address, buf);
 147         if (err > 0)
 148                 return TRUE;
 149
 150         return FALSE;
 151 }
 152
 153 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 154                                 const char *address, const char *gateway,
 155                                                 unsigned char prefix_length)
 156 {
 157         if (ipaddress == NULL)
 158                 return -EINVAL;
 159
 160         if (check_ipv6_address(address) == FALSE)
 161                 return -EINVAL;
 162
 163         if (check_ipv6_address(gateway) == FALSE)
 164                 return -EINVAL;
 165
 166         DBG("prefix_len %d address %s gateway %s",
 167                         prefix_length, address, gateway);
 168
 169         ipaddress->prefixlen = prefix_length;
 170
 171         g_free(ipaddress->local);
 172         ipaddress->local = g_strdup(address);
 173
 174         g_free(ipaddress->gateway);
 175         ipaddress->gateway = g_strdup(gateway);
 176
 177         return 0;
 178 }
 179
 180 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 181                 const char *address, const char *netmask, const char *gateway)
 182 {
 183         if (ipaddress == NULL)
 184                 return;
 185
 186         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 187
 188         g_free(ipaddress->local);
 189         ipaddress->local = g_strdup(address);
 190
 191         g_free(ipaddress->gateway);
 192         ipaddress->gateway = g_strdup(gateway);
 193 }
 194
 195 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 196 {
 197         if (ipaddress == NULL)
 198                 return;
 199
 200         ipaddress->prefixlen = 0;
 201
 202         g_free(ipaddress->local);
 203         ipaddress->local = NULL;
 204
 205         g_free(ipaddress->peer);
 206         ipaddress->peer = NULL;
 207
 208         g_free(ipaddress->broadcast);
 209         ipaddress->broadcast = NULL;
 210
 211         g_free(ipaddress->gateway);
 212         ipaddress->gateway = NULL;
 213 }
 214
 215 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 216                                         struct connman_ipaddress *source)
 217 {
 218         if (ipaddress == NULL || source == NULL)
 219                 return;
 220
 221         ipaddress->family = source->family;
 222         ipaddress->prefixlen = source->prefixlen;
 223
 224         g_free(ipaddress->local);
 225         ipaddress->local = g_strdup(source->local);
 226
 227         g_free(ipaddress->peer);
 228         ipaddress->peer = g_strdup(source->peer);
 229
 230         g_free(ipaddress->broadcast);
 231         ipaddress->broadcast = g_strdup(source->broadcast);
 232
 233         g_free(ipaddress->gateway);
 234         ipaddress->gateway = g_strdup(source->gateway);
 235 }
 236
 237 static void free_address_list(struct connman_ipdevice *ipdevice)
 238 {
 239         GSList *list;
 240
 241         for (list = ipdevice->address_list; list; list = list->next) {
 242                 struct connman_ipaddress *ipaddress = list->data;
 243
 244                 connman_ipaddress_free(ipaddress);
 245                 list->data = NULL;
 246         }
 247
 248         g_slist_free(ipdevice->address_list);
 249         ipdevice->address_list = NULL;
 250 }
 251
 252 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 253                                 unsigned char prefixlen, const char *local)
 254 {
 255         GSList *list;
 256
 257         for (list = ipdevice->address_list; list; list = list->next) {
 258                 struct connman_ipaddress *ipaddress = list->data;
 259
 260                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 261                                         ipaddress->prefixlen == prefixlen)
 262                         return ipaddress;
 263         }
 264
 265         return NULL;
 266 }
 267
 268 static const char *type2str(unsigned short type)
 269 {
 270         switch (type) {
 271         case ARPHRD_ETHER:
 272                 return "ETHER";
 273         case ARPHRD_LOOPBACK:
 274                 return "LOOPBACK";
 275         case ARPHRD_PPP:
 276                 return "PPP";
 277         case ARPHRD_NONE:
 278                 return "NONE";
 279         case ARPHRD_VOID:
 280                 return "VOID";
 281         }
 282
 283         return "";
 284 }
 285
 286 static const char *scope2str(unsigned char scope)
 287 {
 288         switch (scope) {
 289         case 0:
 290                 return "UNIVERSE";
 291         case 253:
 292                 return "LINK";
 293         }
 294
 295         return "";
 296 }
 297
 298 static void free_ipdevice(gpointer data)
 299 {
 300         struct connman_ipdevice *ipdevice = data;
 301
 302         connman_info("%s {remove} index %d", ipdevice->ifname,
 303                                                         ipdevice->index);
 304
 305         if (ipdevice->config != NULL)
 306                 connman_ipconfig_unref(ipdevice->config);
 307
 308         free_address_list(ipdevice);
 309         g_free(ipdevice->ipv4_gateway);
 310         g_free(ipdevice->ipv6_gateway);
 311         g_free(ipdevice->pac);
 312
 313         g_free(ipdevice->address);
 314         g_free(ipdevice->ifname);
 315         g_free(ipdevice);
 316 }
 317
 318 static GSList *driver_list = NULL;
 319
 320 static gint compare_priority(gconstpointer a, gconstpointer b)
 321 {
 322         const struct connman_ipconfig_driver *driver1 = a;
 323         const struct connman_ipconfig_driver *driver2 = b;
 324
 325         return driver2->priority - driver1->priority;
 326 }
 327
 328 /**
 329  * connman_ipconfig_driver_register:
 330  * @driver: IP configuration driver
 331  *
 332  * Register a new IP configuration driver
 333  *
 334  * Returns: %0 on success
 335  */
 336 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 337 {
 338         DBG("driver %p name %s", driver, driver->name);
 339
 340         driver_list = g_slist_insert_sorted(driver_list, driver,
 341                                                         compare_priority);
 342
 343         return 0;
 344 }
 345
 346 /**
 347  * connman_ipconfig_driver_unregister:
 348  * @driver: IP configuration driver
 349  *
 350  * Remove a previously registered IP configuration driver.
 351  */
 352 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 353 {
 354         DBG("driver %p name %s", driver, driver->name);
 355
 356         driver_list = g_slist_remove(driver_list, driver);
 357 }
 358
 359 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 360 {
 361         GSList *list;
 362
 363         DBG("ipconfig %p", ipdevice->config);
 364
 365         if (ipdevice->config == NULL)
 366                 return;
 367
 368         switch (ipdevice->config->method) {
 369         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 370         case CONNMAN_IPCONFIG_METHOD_OFF:
 371         case CONNMAN_IPCONFIG_METHOD_FIXED:
 372         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 373                 return;
 374         case CONNMAN_IPCONFIG_METHOD_DHCP:
 375                 break;
 376         }
 377
 378         if (ipdevice->driver != NULL)
 379                 return;
 380
 381         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 382         if (ipdevice->driver_config == NULL)
 383                 return;
 384
 385         for (list = driver_list; list; list = list->next) {
 386                 struct connman_ipconfig_driver *driver = list->data;
 387
 388                 if (driver->request(ipdevice->driver_config) == 0) {
 389                         ipdevice->driver = driver;
 390                         break;
 391                 }
 392         }
 393
 394         if (ipdevice->driver == NULL) {
 395                 connman_ipconfig_unref(ipdevice->driver_config);
 396                 ipdevice->driver_config = NULL;
 397         }
 398 }
 399
 400 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 401 {
 402         DBG("ipconfig %p", ipdevice->config);
 403
 404         if (ipdevice->config == NULL)
 405                 return;
 406
 407         if (ipdevice->driver == NULL)
 408                 return;
 409
 410         ipdevice->driver->release(ipdevice->driver_config);
 411
 412         ipdevice->driver = NULL;
 413
 414         connman_ipconfig_unref(ipdevice->driver_config);
 415         ipdevice->driver_config = NULL;
 416
 417         connman_inet_clear_address(ipdevice->index, ipdevice->config->address);
 418         connman_inet_clear_ipv6_address(ipdevice->index,
 419                         ipdevice->driver_config->address->local,
 420                         ipdevice->driver_config->address->prefixlen);
 421 }
 422
 423 static void update_stats(struct connman_ipdevice *ipdevice,
 424                                                 struct rtnl_link_stats *stats)
 425 {
 426         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 427                 return;
 428
 429         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 430                                         stats->rx_packets, stats->rx_bytes);
 431         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 432                                         stats->tx_packets, stats->tx_bytes);
 433
 434         if (ipdevice->config == NULL)
 435                 return;
 436
 437         ipdevice->rx_packets = stats->rx_packets;
 438         ipdevice->tx_packets = stats->tx_packets;
 439         ipdevice->rx_bytes = stats->rx_bytes;
 440         ipdevice->tx_bytes = stats->tx_bytes;
 441         ipdevice->rx_errors = stats->rx_errors;
 442         ipdevice->tx_errors = stats->tx_errors;
 443         ipdevice->rx_dropped = stats->rx_dropped;
 444         ipdevice->tx_dropped = stats->tx_dropped;
 445
 446         __connman_service_notify(ipdevice->config,
 447                                 ipdevice->rx_packets, ipdevice->tx_packets,
 448                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 449                                 ipdevice->rx_errors, ipdevice->tx_errors,
 450                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 451 }
 452
 453 void __connman_ipconfig_newlink(int index, unsigned short type,
 454                                 unsigned int flags, const char *address,
 455                                                         unsigned short mtu,
 456                                                 struct rtnl_link_stats *stats)
 457 {
 458         struct connman_ipdevice *ipdevice;
 459         GList *list;
 460         GString *str;
 461         gboolean up = FALSE, down = FALSE;
 462         gboolean lower_up = FALSE, lower_down = FALSE;
 463
 464         DBG("index %d", index);
 465
 466         if (type == ARPHRD_LOOPBACK)
 467                 return;
 468
 469         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 470         if (ipdevice != NULL)
 471                 goto update;
 472
 473         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 474         if (ipdevice == NULL)
 475                 return;
 476
 477         ipdevice->index = index;
 478         ipdevice->ifname = connman_inet_ifname(index);
 479         ipdevice->type = type;
 480
 481         ipdevice->address = g_strdup(address);
 482
 483         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 484
 485         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 486                                                 index, type, type2str(type));
 487
 488 update:
 489         ipdevice->mtu = mtu;
 490
 491         update_stats(ipdevice, stats);
 492
 493         if (flags == ipdevice->flags)
 494                 return;
 495
 496         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 497                 if (flags & IFF_UP)
 498                         up = TRUE;
 499                 else
 500                         down = TRUE;
 501         }
 502
 503         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 504                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 505                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 506                                         (IFF_RUNNING | IFF_LOWER_UP))
 507                         lower_up = TRUE;
 508                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 509                         lower_down = TRUE;
 510         }
 511
 512         ipdevice->flags = flags;
 513
 514         str = g_string_new(NULL);
 515         if (str == NULL)
 516                 return;
 517
 518         if (flags & IFF_UP)
 519                 g_string_append(str, "UP");
 520         else
 521                 g_string_append(str, "DOWN");
 522
 523         if (flags & IFF_RUNNING)
 524                 g_string_append(str, ",RUNNING");
 525
 526         if (flags & IFF_LOWER_UP)
 527                 g_string_append(str, ",LOWER_UP");
 528
 529         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 530                                                         flags, str->str);
 531
 532         g_string_free(str, TRUE);
 533
 534         for (list = g_list_first(ipconfig_list); list;
 535                                                 list = g_list_next(list)) {
 536                 struct connman_ipconfig *ipconfig = list->data;
 537
 538                 if (index != ipconfig->index)
 539                         continue;
 540
 541                 if (ipconfig->ops == NULL)
 542                         continue;
 543
 544                 if (up == TRUE && ipconfig->ops->up)
 545                         ipconfig->ops->up(ipconfig);
 546                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 547                         ipconfig->ops->lower_up(ipconfig);
 548
 549                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 550                         ipconfig->ops->lower_down(ipconfig);
 551                 if (down == TRUE && ipconfig->ops->down)
 552                         ipconfig->ops->down(ipconfig);
 553         }
 554
 555         if (lower_up)
 556                 __connman_ipconfig_lower_up(ipdevice);
 557         if (lower_down)
 558                 __connman_ipconfig_lower_down(ipdevice);
 559 }
 560
 561 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 562 {
 563         struct connman_ipdevice *ipdevice;
 564         GList *list;
 565
 566         DBG("index %d", index);
 567
 568         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 569         if (ipdevice == NULL)
 570                 return;
 571
 572         update_stats(ipdevice, stats);
 573
 574         for (list = g_list_first(ipconfig_list); list;
 575                                                 list = g_list_next(list)) {
 576                 struct connman_ipconfig *ipconfig = list->data;
 577
 578                 if (index != ipconfig->index)
 579                         continue;
 580
 581                 ipconfig->index = -1;
 582
 583                 if (ipconfig->ops == NULL)
 584                         continue;
 585
 586                 if (ipconfig->ops->lower_down)
 587                         ipconfig->ops->lower_down(ipconfig);
 588                 if (ipconfig->ops->down)
 589                         ipconfig->ops->down(ipconfig);
 590         }
 591
 592         __connman_ipconfig_lower_down(ipdevice);
 593
 594         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 595 }
 596
 597 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 598 {
 599         const struct connman_ipaddress *addr1 = a;
 600         const struct connman_ipaddress *addr2 = b;
 601
 602         if (addr1->prefixlen != addr2->prefixlen)
 603                 return addr2->prefixlen - addr1->prefixlen;
 604
 605         return g_strcmp0(addr1->local, addr2->local);
 606 }
 607
 608 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 609                                 unsigned char prefixlen, const char *address)
 610 {
 611         struct connman_ipdevice *ipdevice;
 612         struct connman_ipaddress *ipaddress;
 613         GList *list;
 614
 615         DBG("index %d", index);
 616
 617         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 618         if (ipdevice == NULL)
 619                 return;
 620
 621         ipaddress = connman_ipaddress_alloc(family);
 622         if (ipaddress == NULL)
 623                 return;
 624
 625         ipaddress->prefixlen = prefixlen;
 626         ipaddress->local = g_strdup(address);
 627
 628         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 629                                         check_duplicate_address)) {
 630                 connman_ipaddress_free(ipaddress);
 631                 return;
 632         }
 633
 634         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 635                                                                 ipaddress);
 636
 637         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 638                                                 address, prefixlen, label);
 639
 640         if (ipdevice->config != NULL) {
 641                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 642                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 643                                                         ipaddress);
 644                 else
 645                         connman_ipaddress_copy(ipdevice->config->system,
 646                                                         ipaddress);
 647         }
 648
 649         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 650                 return;
 651
 652         if (g_slist_length(ipdevice->address_list) > 1)
 653                 return;
 654
 655         for (list = g_list_first(ipconfig_list); list;
 656                                                 list = g_list_next(list)) {
 657                 struct connman_ipconfig *ipconfig = list->data;
 658
 659                 if (index != ipconfig->index)
 660                         continue;
 661
 662                 if (ipconfig->ops == NULL)
 663                         continue;
 664
 665                 if (ipconfig->ops->ip_bound)
 666                         ipconfig->ops->ip_bound(ipconfig);
 667         }
 668 }
 669
 670 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 671                                 unsigned char prefixlen, const char *address)
 672 {
 673         struct connman_ipdevice *ipdevice;
 674         struct connman_ipaddress *ipaddress;
 675         GList *list;
 676
 677         DBG("index %d", index);
 678
 679         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 680         if (ipdevice == NULL)
 681                 return;
 682
 683         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 684         if (ipaddress == NULL)
 685                 return;
 686
 687         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 688                                                                 ipaddress);
 689
 690         connman_ipaddress_free(ipaddress);
 691
 692         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 693                                                 address, prefixlen, label);
 694
 695         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 696                 return;
 697
 698         if (g_slist_length(ipdevice->address_list) > 0)
 699                 return;
 700
 701         for (list = g_list_first(ipconfig_list); list;
 702                                                 list = g_list_next(list)) {
 703                 struct connman_ipconfig *ipconfig = list->data;
 704
 705                 if (index != ipconfig->index)
 706                         continue;
 707
 708                 if (ipconfig->ops == NULL)
 709                         continue;
 710
 711                 if (ipconfig->ops->ip_release)
 712                         ipconfig->ops->ip_release(ipconfig);
 713         }
 714 }
 715
 716 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 717                                         const char *dst, const char *gateway)
 718 {
 719         struct connman_ipdevice *ipdevice;
 720
 721         DBG("index %d", index);
 722
 723         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 724         if (ipdevice == NULL)
 725                 return;
 726
 727         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 728                 GSList *list;
 729                 GList *config_list;
 730
 731                 if (family == AF_INET6) {
 732                         g_free(ipdevice->ipv6_gateway);
 733                         ipdevice->ipv6_gateway = g_strdup(gateway);
 734                 } else {
 735                         g_free(ipdevice->ipv4_gateway);
 736                         ipdevice->ipv4_gateway = g_strdup(gateway);
 737                 }
 738
 739                 if (ipdevice->config != NULL &&
 740                                         ipdevice->config->system != NULL) {
 741                         g_free(ipdevice->config->system->gateway);
 742                         ipdevice->config->system->gateway = g_strdup(gateway);
 743                 }
 744
 745                 for (list = ipdevice->address_list; list; list = list->next) {
 746                         struct connman_ipaddress *ipaddress = list->data;
 747
 748                         g_free(ipaddress->gateway);
 749                         ipaddress->gateway = g_strdup(gateway);
 750                 }
 751
 752                 for (config_list = g_list_first(ipconfig_list); config_list;
 753                                         config_list = g_list_next(config_list)) {
 754                         struct connman_ipconfig *ipconfig = config_list->data;
 755
 756                         if (index != ipconfig->index)
 757                                 continue;
 758
 759                         if (ipconfig->ops == NULL)
 760                                 continue;
 761
 762                         if (ipconfig->ops->ip_bound)
 763                                 ipconfig->ops->ip_bound(ipconfig);
 764                 }
 765         }
 766
 767         connman_info("%s {add} route %s gw %s scope %u <%s>",
 768                                         ipdevice->ifname, dst, gateway,
 769                                                 scope, scope2str(scope));
 770 }
 771
 772 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 773                                         const char *dst, const char *gateway)
 774 {
 775         struct connman_ipdevice *ipdevice;
 776
 777         DBG("index %d", index);
 778
 779         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 780         if (ipdevice == NULL)
 781                 return;
 782
 783         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 784                 GSList *list;
 785                 GList *config_list;
 786
 787                 if (family == AF_INET6) {
 788                         g_free(ipdevice->ipv6_gateway);
 789                         ipdevice->ipv6_gateway = NULL;
 790                 } else {
 791                         g_free(ipdevice->ipv4_gateway);
 792                         ipdevice->ipv4_gateway = NULL;
 793                 }
 794
 795                 if (ipdevice->config != NULL &&
 796                                         ipdevice->config->system != NULL) {
 797                         g_free(ipdevice->config->system->gateway);
 798                         ipdevice->config->system->gateway = NULL;
 799                 }
 800
 801                 for (list = ipdevice->address_list; list; list = list->next) {
 802                         struct connman_ipaddress *ipaddress = list->data;
 803
 804                         g_free(ipaddress->gateway);
 805                         ipaddress->gateway = NULL;
 806                 }
 807
 808                 for (config_list = g_list_first(ipconfig_list); config_list;
 809                                         config_list = g_list_next(config_list)) {
 810                         struct connman_ipconfig *ipconfig = config_list->data;
 811
 812                         if (index != ipconfig->index)
 813                                 continue;
 814
 815                         if (ipconfig->ops == NULL)
 816                                 continue;
 817
 818                         if (ipconfig->ops->ip_release)
 819                                 ipconfig->ops->ip_release(ipconfig);
 820                 }
 821         }
 822
 823         connman_info("%s {del} route %s gw %s scope %u <%s>",
 824                                         ipdevice->ifname, dst, gateway,
 825                                                 scope, scope2str(scope));
 826 }
 827
 828 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 829                                                         void *user_data)
 830 {
 831         GList *list, *keys;
 832
 833         keys = g_hash_table_get_keys(ipdevice_hash);
 834         if (keys == NULL)
 835                 return;
 836
 837         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 838                 int index = GPOINTER_TO_INT(list->data);
 839
 840                 function(index, user_data);
 841         }
 842
 843         g_list_free(keys);
 844 }
 845
 846 unsigned short __connman_ipconfig_get_type(int index)
 847 {
 848         struct connman_ipdevice *ipdevice;
 849
 850         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 851         if (ipdevice == NULL)
 852                 return ARPHRD_VOID;
 853
 854         return ipdevice->type;
 855 }
 856
 857 unsigned int __connman_ipconfig_get_flags(int index)
 858 {
 859         struct connman_ipdevice *ipdevice;
 860
 861         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 862         if (ipdevice == NULL)
 863                 return 0;
 864
 865         return ipdevice->flags;
 866 }
 867
 868 const char *__connman_ipconfig_get_gateway(int index)
 869 {
 870         struct connman_ipdevice *ipdevice;
 871
 872         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 873         if (ipdevice == NULL)
 874                 return NULL;
 875
 876         if (ipdevice->ipv4_gateway != NULL)
 877                 return ipdevice->ipv4_gateway;
 878
 879         if (ipdevice->config != NULL &&
 880                         ipdevice->config->address != NULL)
 881                 return ipdevice->config->address->gateway;
 882
 883         return NULL;
 884 }
 885
 886 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 887 {
 888         ipconfig->index = index;
 889
 890         if (ipconfig->ipv6 != NULL)
 891                 ipconfig->ipv6->index = index;
 892 }
 893
 894 static struct connman_ipconfig *create_ipv6config(int index)
 895 {
 896         struct connman_ipconfig *ipv6config;
 897
 898         DBG("index %d", index);
 899
 900         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 901         if (ipv6config == NULL)
 902                 return NULL;
 903
 904         ipv6config->index = index;
 905         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 906         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
 907
 908         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 909         if (ipv6config->address == NULL) {
 910                 g_free(ipv6config);
 911                 return NULL;
 912         }
 913
 914         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 915
 916         ipv6config->ipv6 = NULL;
 917
 918         DBG("ipconfig %p", ipv6config);
 919
 920         return ipv6config;
 921 }
 922
 923 /**
 924  * connman_ipconfig_create:
 925  *
 926  * Allocate a new ipconfig structure.
 927  *
 928  * Returns: a newly-allocated #connman_ipconfig structure
 929  */
 930 struct connman_ipconfig *connman_ipconfig_create(int index)
 931 {
 932         struct connman_ipconfig *ipconfig;
 933
 934         DBG("index %d", index);
 935
 936         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 937         if (ipconfig == NULL)
 938                 return NULL;
 939
 940         ipconfig->refcount = 1;
 941
 942         ipconfig->index = index;
 943         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 944
 945         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 946         if (ipconfig->address == NULL) {
 947                 g_free(ipconfig);
 948                 return NULL;
 949         }
 950
 951         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 952
 953         ipconfig->ipv6 = create_ipv6config(index);
 954
 955         DBG("ipconfig %p", ipconfig);
 956
 957         return ipconfig;
 958 }
 959
 960 /**
 961  * connman_ipconfig_clone:
 962  *
 963  * Clone an ipconfig structure and create new reference.
 964  *
 965  * Returns: a newly-allocated #connman_ipconfig structure
 966  */
 967 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 968 {
 969         struct connman_ipconfig *ipconfig_clone;
 970
 971         DBG("ipconfig %p", ipconfig);
 972
 973         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 974         if (ipconfig_clone == NULL)
 975                 return NULL;
 976
 977         ipconfig_clone->refcount = 1;
 978
 979         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 980
 981         ipconfig_clone->index = -1;
 982
 983         return ipconfig_clone;
 984 }
 985
 986 /**
 987  * connman_ipconfig_ref:
 988  * @ipconfig: ipconfig structure
 989  *
 990  * Increase reference counter of ipconfig
 991  */
 992 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 993 {
 994         g_atomic_int_inc(&ipconfig->refcount);
 995
 996         return ipconfig;
 997 }
 998
 999 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
1000 {
1001         if (ipconfig == NULL)
1002                 return;
1003
1004         connman_ipconfig_set_ops(ipconfig, NULL);
1005         connman_ipaddress_free(ipconfig->system);
1006         connman_ipaddress_free(ipconfig->address);
1007         g_free(ipconfig->ipv6);
1008 }
1009
1010 /**
1011  * connman_ipconfig_unref:
1012  * @ipconfig: ipconfig structure
1013  *
1014  * Decrease reference counter of ipconfig
1015  */
1016 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1017 {
1018         if (ipconfig &&
1019                 g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1020                 __connman_ipconfig_disable(ipconfig);
1021
1022                 connman_ipconfig_set_ops(ipconfig, NULL);
1023
1024                 if (ipconfig->origin != NULL) {
1025                         connman_ipconfig_unref(ipconfig->origin);
1026                         ipconfig->origin = NULL;
1027                 }
1028
1029                 connman_ipaddress_free(ipconfig->system);
1030                 connman_ipaddress_free(ipconfig->address);
1031                 free_ipv6config(ipconfig->ipv6);
1032                 g_free(ipconfig);
1033         }
1034 }
1035
1036 /**
1037  * connman_ipconfig_get_data:
1038  * @ipconfig: ipconfig structure
1039  *
1040  * Get private data pointer
1041  */
1042 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1043 {
1044         return ipconfig->ops_data;
1045 }
1046
1047 /**
1048  * connman_ipconfig_set_data:
1049  * @ipconfig: ipconfig structure
1050  * @data: data pointer
1051  *
1052  * Set private data pointer
1053  */
1054 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1055 {
1056         ipconfig->ops_data = data;
1057 }
1058
1059 /**
1060  * connman_ipconfig_get_index:
1061  * @ipconfig: ipconfig structure
1062  *
1063  * Get interface index
1064  */
1065 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1066 {
1067         if (ipconfig == NULL)
1068                 return -1;
1069
1070         if (ipconfig->origin != NULL)
1071                 return ipconfig->origin->index;
1072
1073         return ipconfig->index;
1074 }
1075
1076 /**
1077  * connman_ipconfig_get_ifname:
1078  * @ipconfig: ipconfig structure
1079  *
1080  * Get interface name
1081  */
1082 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1083 {
1084         struct connman_ipdevice *ipdevice;
1085
1086         if (ipconfig == NULL)
1087                 return NULL;
1088
1089         if (ipconfig->index < 0)
1090                 return NULL;
1091
1092         ipdevice = g_hash_table_lookup(ipdevice_hash,
1093                                         GINT_TO_POINTER(ipconfig->index));
1094         if (ipdevice == NULL)
1095                 return NULL;
1096
1097         return ipdevice->ifname;
1098 }
1099
1100 /**
1101  * connman_ipconfig_set_ops:
1102  * @ipconfig: ipconfig structure
1103  * @ops: operation callbacks
1104  *
1105  * Set the operation callbacks
1106  */
1107 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1108                                 const struct connman_ipconfig_ops *ops)
1109 {
1110         ipconfig->ops = ops;
1111 }
1112
1113 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1114                                 struct connman_ipconfig *ipconfig)
1115 {
1116         if (ipconfig == NULL)
1117                 return NULL;
1118
1119         return ipconfig->ipv6;
1120 }
1121
1122 /**
1123  * connman_ipconfig_set_method:
1124  * @ipconfig: ipconfig structure
1125  * @method: configuration method
1126  *
1127  * Set the configuration method
1128  */
1129 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1130                                         enum connman_ipconfig_method method)
1131 {
1132         ipconfig->method = method;
1133
1134         return 0;
1135 }
1136
1137 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1138 {
1139         if (ipconfig == NULL)
1140                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1141
1142         return ipconfig->method;
1143 }
1144
1145 /**
1146  * connman_ipconfig_bind:
1147  * @ipconfig: ipconfig structure
1148  * @ipaddress: ipaddress structure
1149  *
1150  * Bind IP address details to configuration
1151  */
1152 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1153                                         struct connman_ipaddress *ipaddress)
1154 {
1155         struct connman_ipconfig *origin;
1156
1157         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1158
1159         connman_ipaddress_copy(origin->address, ipaddress);
1160
1161         connman_inet_set_address(origin->index, origin->address);
1162 }
1163
1164 void __connman_ipconfig_set_element_ipv6_gateway(
1165                         struct connman_ipconfig *ipconfig,
1166                                 struct connman_element *element)
1167 {
1168         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1169 }
1170
1171 /*
1172  * FIXME: The element soulution should be removed in the future
1173  * Set IPv4 and IPv6 gateway
1174  */
1175 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1176                                                 struct connman_element *parent)
1177 {
1178         struct connman_element *connection;
1179
1180         connection = connman_element_create(NULL);
1181
1182         DBG("ipconfig %p", ipconfig);
1183
1184         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1185         connection->index = ipconfig->index;
1186         connection->ipv4.gateway = ipconfig->address->gateway;
1187         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1188
1189         if (connman_element_register(connection, parent) < 0)
1190                 connman_element_unref(connection);
1191
1192         return 0;
1193 }
1194
1195 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1196 {
1197         DBG("");
1198
1199         switch (ipconfig->method) {
1200         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1201         case CONNMAN_IPCONFIG_METHOD_OFF:
1202         case CONNMAN_IPCONFIG_METHOD_FIXED:
1203         case CONNMAN_IPCONFIG_METHOD_DHCP:
1204                 break;
1205         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1206                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1207                         return connman_inet_set_address(ipconfig->index,
1208                                                         ipconfig->address);
1209                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1210                         return connman_inet_set_ipv6_address(
1211                                         ipconfig->index, ipconfig->address);
1212         }
1213
1214         return 0;
1215 }
1216
1217 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1218 {
1219         DBG("");
1220
1221         if (ipconfig == NULL)
1222                 return 0;
1223
1224         DBG("method %d", ipconfig->method);
1225
1226         switch (ipconfig->method) {
1227         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1228         case CONNMAN_IPCONFIG_METHOD_OFF:
1229         case CONNMAN_IPCONFIG_METHOD_FIXED:
1230         case CONNMAN_IPCONFIG_METHOD_DHCP:
1231                 break;
1232         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1233                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1234                         return connman_inet_clear_address(ipconfig->index,
1235                                                         ipconfig->address);
1236                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1237                         return connman_inet_clear_ipv6_address(
1238                                                 ipconfig->index,
1239                                                 ipconfig->address->local,
1240                                                 ipconfig->address->prefixlen);
1241         }
1242
1243         return 0;
1244 }
1245
1246 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1247                                                         const char *url)
1248 {
1249         struct connman_ipdevice *ipdevice;
1250
1251         DBG("ipconfig %p", ipconfig);
1252
1253         if (ipconfig == NULL || ipconfig->index < 0)
1254                 return -ENODEV;
1255
1256         ipdevice = g_hash_table_lookup(ipdevice_hash,
1257                                         GINT_TO_POINTER(ipconfig->index));
1258         if (ipdevice == NULL)
1259                 return -ENXIO;
1260
1261         g_free(ipdevice->pac);
1262         ipdevice->pac = g_strdup(url);
1263
1264         return 0;
1265 }
1266
1267 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1268 {
1269         struct connman_ipdevice *ipdevice;
1270
1271         DBG("ipconfig %p", ipconfig);
1272
1273         if (ipconfig == NULL || ipconfig->index < 0)
1274                 return NULL;
1275
1276         ipdevice = g_hash_table_lookup(ipdevice_hash,
1277                                         GINT_TO_POINTER(ipconfig->index));
1278         if (ipdevice == NULL)
1279                 return NULL;
1280
1281         return ipdevice->pac;
1282 }
1283
1284 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1285 {
1286         struct connman_ipdevice *ipdevice;
1287         gboolean up = FALSE, down = FALSE;
1288         gboolean lower_up = FALSE, lower_down = FALSE;
1289
1290         DBG("ipconfig %p", ipconfig);
1291
1292         if (ipconfig == NULL || ipconfig->index < 0)
1293                 return -ENODEV;
1294
1295         ipdevice = g_hash_table_lookup(ipdevice_hash,
1296                                         GINT_TO_POINTER(ipconfig->index));
1297         if (ipdevice == NULL)
1298                 return -ENXIO;
1299
1300         if (ipdevice->config == ipconfig)
1301                 return -EALREADY;
1302
1303         if (ipdevice->config != NULL) {
1304                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1305
1306                 connman_ipaddress_clear(ipdevice->config->system);
1307
1308                 connman_ipconfig_unref(ipdevice->config);
1309         }
1310
1311         ipdevice->config = connman_ipconfig_ref(ipconfig);
1312
1313         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1314
1315         if (ipdevice->flags & IFF_UP)
1316                 up = TRUE;
1317         else
1318                 down = TRUE;
1319
1320         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1321                         (IFF_RUNNING | IFF_LOWER_UP))
1322                 lower_up = TRUE;
1323         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1324                 lower_down = TRUE;
1325
1326         if (up == TRUE && ipconfig->ops->up)
1327                 ipconfig->ops->up(ipconfig);
1328         if (lower_up == TRUE && ipconfig->ops->lower_up)
1329                 ipconfig->ops->lower_up(ipconfig);
1330
1331         if (lower_down == TRUE && ipconfig->ops->lower_down)
1332                 ipconfig->ops->lower_down(ipconfig);
1333         if (down == TRUE && ipconfig->ops->down)
1334                 ipconfig->ops->down(ipconfig);
1335
1336         return 0;
1337 }
1338
1339 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1340 {
1341         struct connman_ipdevice *ipdevice;
1342
1343         DBG("ipconfig %p", ipconfig);
1344
1345         if (ipconfig == NULL || ipconfig->index < 0)
1346                 return -ENODEV;
1347
1348         ipdevice = g_hash_table_lookup(ipdevice_hash,
1349                                         GINT_TO_POINTER(ipconfig->index));
1350         if (ipdevice == NULL)
1351                 return -ENXIO;
1352
1353         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1354                 return -EINVAL;
1355
1356         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1357
1358         connman_ipaddress_clear(ipdevice->config->system);
1359         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1360
1361         connman_ipconfig_unref(ipdevice->config);
1362         ipdevice->config = NULL;
1363
1364         return 0;
1365 }
1366
1367 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1368 {
1369         switch (method) {
1370         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1371                 break;
1372         case CONNMAN_IPCONFIG_METHOD_OFF:
1373                 return "off";
1374         case CONNMAN_IPCONFIG_METHOD_FIXED:
1375                 return "fixed";
1376         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1377                 return "manual";
1378         case CONNMAN_IPCONFIG_METHOD_DHCP:
1379                 return "dhcp";
1380         }
1381
1382         return NULL;
1383 }
1384
1385 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1386 {
1387         if (g_strcmp0(method, "off") == 0)
1388                 return CONNMAN_IPCONFIG_METHOD_OFF;
1389         else if (g_strcmp0(method, "fixed") == 0)
1390                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1391         else if (g_strcmp0(method, "manual") == 0)
1392                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1393         else if (g_strcmp0(method, "dhcp") == 0)
1394                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1395         else
1396                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1397 }
1398
1399 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1400                                                         DBusMessageIter *iter)
1401 {
1402         const char *str;
1403
1404         DBG("");
1405
1406         str = __connman_ipconfig_method2string(ipconfig->method);
1407         if (str == NULL)
1408                 return;
1409
1410         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1411
1412         if (ipconfig->system == NULL)
1413                 return;
1414
1415         if (ipconfig->system->local != NULL) {
1416                 in_addr_t addr;
1417                 struct in_addr netmask;
1418                 char *mask;
1419
1420                 connman_dbus_dict_append_basic(iter, "Address",
1421                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1422
1423                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1424                 netmask.s_addr = htonl(addr);
1425                 mask = inet_ntoa(netmask);
1426                 connman_dbus_dict_append_basic(iter, "Netmask",
1427                                                 DBUS_TYPE_STRING, &mask);
1428         }
1429
1430         if (ipconfig->system->gateway != NULL)
1431                 connman_dbus_dict_append_basic(iter, "Gateway",
1432                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1433 }
1434
1435 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1436                                                         DBusMessageIter *iter)
1437 {
1438         const char *str;
1439
1440         DBG("");
1441
1442         str = __connman_ipconfig_method2string(ipconfig->method);
1443         if (str == NULL)
1444                 return;
1445
1446         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1447
1448         if (ipconfig->system == NULL)
1449                 return;
1450
1451         if (ipconfig->system->local != NULL) {
1452                 connman_dbus_dict_append_basic(iter, "Address",
1453                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1454                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1455                                                 DBUS_TYPE_BYTE,
1456                                                 &ipconfig->system->prefixlen);
1457         }
1458
1459         if (ipconfig->system->gateway != NULL)
1460                 connman_dbus_dict_append_basic(iter, "Gateway",
1461                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1462 }
1463
1464 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1465                                                         DBusMessageIter *iter)
1466 {
1467         const char *str;
1468
1469         DBG("");
1470
1471         str = __connman_ipconfig_method2string(ipconfig->method);
1472         if (str == NULL)
1473                 return;
1474
1475         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1476
1477         switch (ipconfig->method) {
1478         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1479         case CONNMAN_IPCONFIG_METHOD_OFF:
1480         case CONNMAN_IPCONFIG_METHOD_DHCP:
1481                 return;
1482         case CONNMAN_IPCONFIG_METHOD_FIXED:
1483         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1484                 break;
1485         }
1486
1487         if (ipconfig->address == NULL)
1488                 return;
1489
1490         if (ipconfig->address->local != NULL) {
1491                 connman_dbus_dict_append_basic(iter, "Address",
1492                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1493                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1494                                                 DBUS_TYPE_BYTE,
1495                                                 &ipconfig->address->prefixlen);
1496         }
1497
1498         if (ipconfig->address->gateway != NULL)
1499                 connman_dbus_dict_append_basic(iter, "Gateway",
1500                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1501 }
1502
1503 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1504                                                         DBusMessageIter *iter)
1505 {
1506         const char *str;
1507
1508         DBG("");
1509
1510         str = __connman_ipconfig_method2string(ipconfig->method);
1511         if (str == NULL)
1512                 return;
1513
1514         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1515
1516         switch (ipconfig->method) {
1517         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1518         case CONNMAN_IPCONFIG_METHOD_OFF:
1519         case CONNMAN_IPCONFIG_METHOD_FIXED:
1520         case CONNMAN_IPCONFIG_METHOD_DHCP:
1521                 return;
1522         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1523                 break;
1524         }
1525
1526         if (ipconfig->address == NULL)
1527                 return;
1528
1529         if (ipconfig->address->local != NULL) {
1530                 in_addr_t addr;
1531                 struct in_addr netmask;
1532                 char *mask;
1533
1534                 connman_dbus_dict_append_basic(iter, "Address",
1535                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1536
1537                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1538                 netmask.s_addr = htonl(addr);
1539                 mask = inet_ntoa(netmask);
1540                 connman_dbus_dict_append_basic(iter, "Netmask",
1541                                                 DBUS_TYPE_STRING, &mask);
1542         }
1543
1544         if (ipconfig->address->gateway != NULL)
1545                 connman_dbus_dict_append_basic(iter, "Gateway",
1546                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1547 }
1548
1549 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1550                 enum connman_ipconfig_type type, DBusMessageIter *array)
1551 {
1552         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1553         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1554                         *prefix_length_string = NULL;
1555         int prefix_length = 0;
1556         DBusMessageIter dict;
1557
1558         DBG("ipconfig %p type %d", ipconfig, type);
1559
1560         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1561                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1562                 return -EINVAL;
1563
1564         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1565                 return -EINVAL;
1566
1567         dbus_message_iter_recurse(array, &dict);
1568
1569         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1570                 DBusMessageIter entry;
1571                 const char *key;
1572                 int type;
1573
1574                 dbus_message_iter_recurse(&dict, &entry);
1575
1576                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1577                         return -EINVAL;
1578
1579                 dbus_message_iter_get_basic(&entry, &key);
1580                 dbus_message_iter_next(&entry);
1581
1582                 type = dbus_message_iter_get_arg_type(&entry);
1583
1584                 if (g_str_equal(key, "Method") == TRUE) {
1585                         const char *str;
1586
1587                         if (type != DBUS_TYPE_STRING)
1588                                 return -EINVAL;
1589
1590                         dbus_message_iter_get_basic(&entry, &str);
1591                         method = __connman_ipconfig_string2method(str);
1592                 } else if (g_str_equal(key, "Address") == TRUE) {
1593                         if (type != DBUS_TYPE_STRING)
1594                                 return -EINVAL;
1595
1596                         dbus_message_iter_get_basic(&entry, &address);
1597                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1598                         if (type != DBUS_TYPE_STRING)
1599                                 return -EINVAL;
1600
1601                         dbus_message_iter_get_basic(&entry,
1602                                                         &prefix_length_string);
1603
1604                         prefix_length = atoi(prefix_length_string);
1605                         if (prefix_length < 0 || prefix_length > 128)
1606                                 return -EINVAL;
1607
1608                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1609                         if (type != DBUS_TYPE_STRING)
1610                                 return -EINVAL;
1611
1612                         dbus_message_iter_get_basic(&entry, &netmask);
1613                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1614                         if (type != DBUS_TYPE_STRING)
1615                                 return -EINVAL;
1616
1617                         dbus_message_iter_get_basic(&entry, &gateway);
1618                 }
1619                 dbus_message_iter_next(&dict);
1620         }
1621
1622         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1623                         method, address, netmask, gateway, prefix_length);
1624
1625         switch (method) {
1626         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1627         case CONNMAN_IPCONFIG_METHOD_OFF:
1628         case CONNMAN_IPCONFIG_METHOD_FIXED:
1629                 return -EINVAL;
1630
1631         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1632                 if (address == NULL)
1633                         return -EINVAL;
1634
1635                 ipconfig->method = method;
1636
1637                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1638                         connman_ipaddress_set_ipv4(ipconfig->address,
1639                                                 address, netmask, gateway);
1640                 else
1641                         return connman_ipaddress_set_ipv6(
1642                                         ipconfig->address, address,
1643                                                 gateway, prefix_length);
1644                 break;
1645
1646         case CONNMAN_IPCONFIG_METHOD_DHCP:
1647                 if (ipconfig->method == method)
1648                         return 0;
1649
1650                 ipconfig->method = method;
1651                 break;
1652         }
1653
1654         return 0;
1655 }
1656
1657 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1658                                                         DBusMessageIter *iter)
1659 {
1660         struct connman_ipdevice *ipdevice;
1661         const char *method = "auto";
1662
1663         connman_dbus_dict_append_basic(iter, "Method",
1664                                                 DBUS_TYPE_STRING, &method);
1665
1666         ipdevice = g_hash_table_lookup(ipdevice_hash,
1667                                         GINT_TO_POINTER(ipconfig->index));
1668         if (ipdevice == NULL)
1669                 return;
1670
1671         if (ipdevice->ifname != NULL)
1672                 connman_dbus_dict_append_basic(iter, "Interface",
1673                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1674
1675         if (ipdevice->address != NULL)
1676                 connman_dbus_dict_append_basic(iter, "Address",
1677                                         DBUS_TYPE_STRING, &ipdevice->address);
1678
1679         if (ipdevice->mtu > 0)
1680                 connman_dbus_dict_append_basic(iter, "MTU",
1681                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1682 }
1683
1684 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1685                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1686 {
1687         const char *method;
1688         char *key;
1689
1690         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1691
1692         key = g_strdup_printf("%smethod", prefix);
1693         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1694         if (method == NULL) {
1695                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1696                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1697                 else
1698                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1699         } else
1700                 ipconfig->method = __connman_ipconfig_string2method(method);
1701         g_free(key);
1702
1703         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1704         ipconfig->address->prefixlen = g_key_file_get_integer(
1705                                 keyfile, identifier, key, NULL);
1706         g_free(key);
1707
1708         key = g_strdup_printf("%slocal_address", prefix);
1709         ipconfig->address->local = g_key_file_get_string(
1710                         keyfile, identifier, key, NULL);
1711         g_free(key);
1712
1713         key = g_strdup_printf("%speer_address", prefix);
1714         ipconfig->address->peer = g_key_file_get_string(
1715                                 keyfile, identifier, key, NULL);
1716         g_free(key);
1717
1718         key = g_strdup_printf("%sbroadcast_address", prefix);
1719         ipconfig->address->broadcast = g_key_file_get_string(
1720                                 keyfile, identifier, key, NULL);
1721         g_free(key);
1722
1723         key = g_strdup_printf("%sgateway", prefix);
1724         ipconfig->address->gateway = g_key_file_get_string(
1725                                 keyfile, identifier, key, NULL);
1726         g_free(key);
1727
1728         return 0;
1729 }
1730
1731 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1732                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1733 {
1734         const char *method;
1735         char *key;
1736
1737         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1738
1739         method = __connman_ipconfig_method2string(ipconfig->method);
1740
1741         key = g_strdup_printf("%smethod", prefix);
1742         g_key_file_set_string(keyfile, identifier, key, method);
1743         g_free(key);
1744
1745         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1746         g_key_file_set_integer(keyfile, identifier,
1747                         key, ipconfig->address->prefixlen);
1748         g_free(key);
1749
1750         key = g_strdup_printf("%slocal_address", prefix);
1751         if (ipconfig->address->local != NULL)
1752                 g_key_file_set_string(keyfile, identifier,
1753                                 key, ipconfig->address->local);
1754         g_free(key);
1755
1756         key = g_strdup_printf("%speer_address", prefix);
1757         if (ipconfig->address->peer != NULL)
1758                 g_key_file_set_string(keyfile, identifier,
1759                                 key, ipconfig->address->peer);
1760         g_free(key);
1761
1762         key = g_strdup_printf("%sbroadcast_address", prefix);
1763         if (ipconfig->address->broadcast != NULL)
1764                 g_key_file_set_string(keyfile, identifier,
1765                         key, ipconfig->address->broadcast);
1766         g_free(key);
1767
1768         key = g_strdup_printf("%sgateway", prefix);
1769         if (ipconfig->address->gateway != NULL)
1770                 g_key_file_set_string(keyfile, identifier,
1771                         key, ipconfig->address->gateway);
1772         g_free(key);
1773
1774         return 0;
1775 }
1776
1777 int __connman_ipconfig_init(void)
1778 {
1779         DBG("");
1780
1781         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1782                                                         NULL, free_ipdevice);
1783
1784         return 0;
1785 }
1786
1787 void __connman_ipconfig_cleanup(void)
1788 {
1789         DBG("");
1790
1791         g_hash_table_destroy(ipdevice_hash);
1792         ipdevice_hash = NULL;
1793 }