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         struct connman_ipconfig *config;
  78
  79         struct connman_ipconfig_driver *driver;
  80         struct connman_ipconfig *driver_config;
  81 };
  82
  83 static GHashTable *ipdevice_hash = NULL;
  84 static GList *ipconfig_list = NULL;
  85
  86 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  87 {
  88         struct connman_ipaddress *ipaddress;
  89
  90         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  91         if (ipaddress == NULL)
  92                 return NULL;
  93
  94         ipaddress->family = family;
  95         ipaddress->prefixlen = 0;
  96         ipaddress->local = NULL;
  97         ipaddress->peer = NULL;
  98         ipaddress->broadcast = NULL;
  99         ipaddress->gateway = NULL;
 100
 101         return ipaddress;
 102 }
 103
 104 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 105 {
 106         if (ipaddress == NULL)
 107                 return;
 108
 109         g_free(ipaddress->broadcast);
 110         g_free(ipaddress->peer);
 111         g_free(ipaddress->local);
 112         g_free(ipaddress->gateway);
 113         g_free(ipaddress);
 114 }
 115
 116 static unsigned char netmask2prefixlen(const char *netmask)
 117 {
 118         unsigned char bits = 0;
 119         in_addr_t mask = inet_network(netmask);
 120         in_addr_t host = ~mask;
 121
 122         /* a valid netmask must be 2^n - 1 */
 123         if ((host & (host + 1)) != 0)
 124                 return -1;
 125
 126         for (; mask; mask <<= 1)
 127                 ++bits;
 128
 129         return bits;
 130 }
 131
 132 static gboolean check_ipv6_address(const char *address)
 133 {
 134         unsigned char buf[sizeof(struct in6_addr)];
 135         int err;
 136
 137         err = inet_pton(AF_INET6, address, buf);
 138         if (err > 0)
 139                 return TRUE;
 140
 141         return FALSE;
 142 }
 143
 144 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 145                                 const char *address, const char *gateway,
 146                                                 unsigned char prefix_length)
 147 {
 148         if (ipaddress == NULL)
 149                 return -EINVAL;
 150
 151         if (check_ipv6_address(address) == FALSE)
 152                 return -EINVAL;
 153
 154         if (check_ipv6_address(gateway) == FALSE)
 155                 return -EINVAL;
 156
 157         DBG("prefix_len %d address %s gateway %s",
 158                         prefix_length, address, gateway);
 159
 160         ipaddress->prefixlen = prefix_length;
 161
 162         g_free(ipaddress->local);
 163         ipaddress->local = g_strdup(address);
 164
 165         g_free(ipaddress->gateway);
 166         ipaddress->gateway = g_strdup(gateway);
 167
 168         return 0;
 169 }
 170
 171 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 172                 const char *address, const char *netmask, const char *gateway)
 173 {
 174         if (ipaddress == NULL)
 175                 return;
 176
 177         if (netmask != NULL)
 178                 ipaddress->prefixlen = netmask2prefixlen(netmask);
 179         else
 180                 ipaddress->prefixlen = 32;
 181
 182         g_free(ipaddress->local);
 183         ipaddress->local = g_strdup(address);
 184
 185         g_free(ipaddress->gateway);
 186         ipaddress->gateway = g_strdup(gateway);
 187 }
 188
 189 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 190 {
 191         if (ipaddress == NULL)
 192                 return;
 193
 194         ipaddress->prefixlen = 0;
 195
 196         g_free(ipaddress->local);
 197         ipaddress->local = NULL;
 198
 199         g_free(ipaddress->peer);
 200         ipaddress->peer = NULL;
 201
 202         g_free(ipaddress->broadcast);
 203         ipaddress->broadcast = NULL;
 204
 205         g_free(ipaddress->gateway);
 206         ipaddress->gateway = NULL;
 207 }
 208
 209 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 210                                         struct connman_ipaddress *source)
 211 {
 212         if (ipaddress == NULL || source == NULL)
 213                 return;
 214
 215         ipaddress->family = source->family;
 216         ipaddress->prefixlen = source->prefixlen;
 217
 218         g_free(ipaddress->local);
 219         ipaddress->local = g_strdup(source->local);
 220
 221         g_free(ipaddress->peer);
 222         ipaddress->peer = g_strdup(source->peer);
 223
 224         g_free(ipaddress->broadcast);
 225         ipaddress->broadcast = g_strdup(source->broadcast);
 226
 227         g_free(ipaddress->gateway);
 228         ipaddress->gateway = g_strdup(source->gateway);
 229 }
 230
 231 static void free_address_list(struct connman_ipdevice *ipdevice)
 232 {
 233         GSList *list;
 234
 235         for (list = ipdevice->address_list; list; list = list->next) {
 236                 struct connman_ipaddress *ipaddress = list->data;
 237
 238                 connman_ipaddress_free(ipaddress);
 239                 list->data = NULL;
 240         }
 241
 242         g_slist_free(ipdevice->address_list);
 243         ipdevice->address_list = NULL;
 244 }
 245
 246 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 247                                 unsigned char prefixlen, const char *local)
 248 {
 249         GSList *list;
 250
 251         for (list = ipdevice->address_list; list; list = list->next) {
 252                 struct connman_ipaddress *ipaddress = list->data;
 253
 254                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 255                                         ipaddress->prefixlen == prefixlen)
 256                         return ipaddress;
 257         }
 258
 259         return NULL;
 260 }
 261
 262 static const char *type2str(unsigned short type)
 263 {
 264         switch (type) {
 265         case ARPHRD_ETHER:
 266                 return "ETHER";
 267         case ARPHRD_LOOPBACK:
 268                 return "LOOPBACK";
 269         case ARPHRD_PPP:
 270                 return "PPP";
 271         case ARPHRD_NONE:
 272                 return "NONE";
 273         case ARPHRD_VOID:
 274                 return "VOID";
 275         }
 276
 277         return "";
 278 }
 279
 280 static const char *scope2str(unsigned char scope)
 281 {
 282         switch (scope) {
 283         case 0:
 284                 return "UNIVERSE";
 285         case 253:
 286                 return "LINK";
 287         }
 288
 289         return "";
 290 }
 291
 292 static void free_ipdevice(gpointer data)
 293 {
 294         struct connman_ipdevice *ipdevice = data;
 295
 296         connman_info("%s {remove} index %d", ipdevice->ifname,
 297                                                         ipdevice->index);
 298
 299         if (ipdevice->config != NULL)
 300                 connman_ipconfig_unref(ipdevice->config);
 301
 302         free_address_list(ipdevice);
 303         g_free(ipdevice->ipv4_gateway);
 304         g_free(ipdevice->ipv6_gateway);
 305
 306         g_free(ipdevice->address);
 307         g_free(ipdevice->ifname);
 308         g_free(ipdevice);
 309 }
 310
 311 static GSList *driver_list = NULL;
 312
 313 static gint compare_priority(gconstpointer a, gconstpointer b)
 314 {
 315         const struct connman_ipconfig_driver *driver1 = a;
 316         const struct connman_ipconfig_driver *driver2 = b;
 317
 318         return driver2->priority - driver1->priority;
 319 }
 320
 321 /**
 322  * connman_ipconfig_driver_register:
 323  * @driver: IP configuration driver
 324  *
 325  * Register a new IP configuration driver
 326  *
 327  * Returns: %0 on success
 328  */
 329 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 330 {
 331         DBG("driver %p name %s", driver, driver->name);
 332
 333         driver_list = g_slist_insert_sorted(driver_list, driver,
 334                                                         compare_priority);
 335
 336         return 0;
 337 }
 338
 339 /**
 340  * connman_ipconfig_driver_unregister:
 341  * @driver: IP configuration driver
 342  *
 343  * Remove a previously registered IP configuration driver.
 344  */
 345 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 346 {
 347         DBG("driver %p name %s", driver, driver->name);
 348
 349         driver_list = g_slist_remove(driver_list, driver);
 350 }
 351
 352 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 353 {
 354         GSList *list;
 355
 356         DBG("ipconfig %p", ipdevice->config);
 357
 358         if (ipdevice->config == NULL)
 359                 return;
 360
 361         switch (ipdevice->config->method) {
 362         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 363         case CONNMAN_IPCONFIG_METHOD_OFF:
 364         case CONNMAN_IPCONFIG_METHOD_FIXED:
 365         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 366                 return;
 367         case CONNMAN_IPCONFIG_METHOD_DHCP:
 368                 break;
 369         }
 370
 371         if (ipdevice->driver != NULL)
 372                 return;
 373
 374         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 375         if (ipdevice->driver_config == NULL)
 376                 return;
 377
 378         for (list = driver_list; list; list = list->next) {
 379                 struct connman_ipconfig_driver *driver = list->data;
 380
 381                 if (driver->request(ipdevice->driver_config) == 0) {
 382                         ipdevice->driver = driver;
 383                         break;
 384                 }
 385         }
 386
 387         if (ipdevice->driver == NULL) {
 388                 connman_ipconfig_unref(ipdevice->driver_config);
 389                 ipdevice->driver_config = NULL;
 390         }
 391 }
 392
 393 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 394 {
 395         DBG("ipconfig %p", ipdevice->config);
 396
 397         if (ipdevice->config == NULL)
 398                 return;
 399
 400         if (ipdevice->driver == NULL)
 401                 return;
 402
 403         ipdevice->driver->release(ipdevice->driver_config);
 404
 405         ipdevice->driver = NULL;
 406
 407         connman_ipconfig_unref(ipdevice->driver_config);
 408         ipdevice->driver_config = NULL;
 409
 410         connman_inet_clear_address(ipdevice->index);
 411         connman_inet_clear_ipv6_address(ipdevice->index,
 412                         ipdevice->driver_config->address->local,
 413                         ipdevice->driver_config->address->prefixlen);
 414 }
 415
 416 static void update_stats(struct connman_ipdevice *ipdevice,
 417                                                 struct rtnl_link_stats *stats)
 418 {
 419         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 420                 return;
 421
 422         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 423                                         stats->rx_packets, stats->rx_bytes);
 424         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 425                                         stats->tx_packets, stats->tx_bytes);
 426
 427         if (ipdevice->config == NULL)
 428                 return;
 429
 430         ipdevice->rx_packets = stats->rx_packets;
 431         ipdevice->tx_packets = stats->tx_packets;
 432         ipdevice->rx_bytes = stats->rx_bytes;
 433         ipdevice->tx_bytes = stats->tx_bytes;
 434         ipdevice->rx_errors = stats->rx_errors;
 435         ipdevice->tx_errors = stats->tx_errors;
 436         ipdevice->rx_dropped = stats->rx_dropped;
 437         ipdevice->tx_dropped = stats->tx_dropped;
 438
 439         __connman_counter_notify(ipdevice->config,
 440                                 ipdevice->rx_packets, ipdevice->tx_packets,
 441                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 442                                 ipdevice->rx_errors, ipdevice->tx_errors,
 443                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 444 }
 445
 446 void __connman_ipconfig_newlink(int index, unsigned short type,
 447                                 unsigned int flags, const char *address,
 448                                                         unsigned short mtu,
 449                                                 struct rtnl_link_stats *stats)
 450 {
 451         struct connman_ipdevice *ipdevice;
 452         GList *list;
 453         GString *str;
 454         gboolean up = FALSE, down = FALSE;
 455         gboolean lower_up = FALSE, lower_down = FALSE;
 456
 457         DBG("index %d", index);
 458
 459         if (type == ARPHRD_LOOPBACK)
 460                 return;
 461
 462         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 463         if (ipdevice != NULL)
 464                 goto update;
 465
 466         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 467         if (ipdevice == NULL)
 468                 return;
 469
 470         ipdevice->index = index;
 471         ipdevice->ifname = connman_inet_ifname(index);
 472         ipdevice->type = type;
 473
 474         ipdevice->address = g_strdup(address);
 475
 476         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 477
 478         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 479                                                 index, type, type2str(type));
 480
 481 update:
 482         ipdevice->mtu = mtu;
 483
 484         update_stats(ipdevice, stats);
 485
 486         if (flags == ipdevice->flags)
 487                 return;
 488
 489         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 490                 if (flags & IFF_UP)
 491                         up = TRUE;
 492                 else
 493                         down = TRUE;
 494         }
 495
 496         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 497                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 498                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 499                                         (IFF_RUNNING | IFF_LOWER_UP))
 500                         lower_up = TRUE;
 501                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 502                         lower_down = TRUE;
 503         }
 504
 505         ipdevice->flags = flags;
 506
 507         str = g_string_new(NULL);
 508         if (str == NULL)
 509                 return;
 510
 511         if (flags & IFF_UP)
 512                 g_string_append(str, "UP");
 513         else
 514                 g_string_append(str, "DOWN");
 515
 516         if (flags & IFF_RUNNING)
 517                 g_string_append(str, ",RUNNING");
 518
 519         if (flags & IFF_LOWER_UP)
 520                 g_string_append(str, ",LOWER_UP");
 521
 522         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 523                                                         flags, str->str);
 524
 525         g_string_free(str, TRUE);
 526
 527         for (list = g_list_first(ipconfig_list); list;
 528                                                 list = g_list_next(list)) {
 529                 struct connman_ipconfig *ipconfig = list->data;
 530
 531                 if (index != ipconfig->index)
 532                         continue;
 533
 534                 if (ipconfig->ops == NULL)
 535                         continue;
 536
 537                 if (up == TRUE && ipconfig->ops->up)
 538                         ipconfig->ops->up(ipconfig);
 539                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 540                         ipconfig->ops->lower_up(ipconfig);
 541
 542                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 543                         ipconfig->ops->lower_down(ipconfig);
 544                 if (down == TRUE && ipconfig->ops->down)
 545                         ipconfig->ops->down(ipconfig);
 546         }
 547
 548         if (lower_up)
 549                 __connman_ipconfig_lower_up(ipdevice);
 550         if (lower_down)
 551                 __connman_ipconfig_lower_down(ipdevice);
 552 }
 553
 554 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 555 {
 556         struct connman_ipdevice *ipdevice;
 557         GList *list;
 558
 559         DBG("index %d", index);
 560
 561         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 562         if (ipdevice == NULL)
 563                 return;
 564
 565         update_stats(ipdevice, stats);
 566
 567         for (list = g_list_first(ipconfig_list); list;
 568                                                 list = g_list_next(list)) {
 569                 struct connman_ipconfig *ipconfig = list->data;
 570
 571                 if (index != ipconfig->index)
 572                         continue;
 573
 574                 ipconfig->index = -1;
 575
 576                 if (ipconfig->ops == NULL)
 577                         continue;
 578
 579                 if (ipconfig->ops->lower_down)
 580                         ipconfig->ops->lower_down(ipconfig);
 581                 if (ipconfig->ops->down)
 582                         ipconfig->ops->down(ipconfig);
 583         }
 584
 585         __connman_ipconfig_lower_down(ipdevice);
 586
 587         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 588 }
 589
 590 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 591                                 unsigned char prefixlen, const char *address)
 592 {
 593         struct connman_ipdevice *ipdevice;
 594         struct connman_ipaddress *ipaddress;
 595         GList *list;
 596
 597         DBG("index %d", index);
 598
 599         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 600         if (ipdevice == NULL)
 601                 return;
 602
 603         ipaddress = connman_ipaddress_alloc(family);
 604         if (ipaddress == NULL)
 605                 return;
 606
 607         ipaddress->prefixlen = prefixlen;
 608         ipaddress->local = g_strdup(address);
 609
 610         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 611                                                                 ipaddress);
 612
 613         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 614                                                 address, prefixlen, label);
 615
 616         if (ipdevice->config != NULL) {
 617                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 618                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 619                                                         ipaddress);
 620                 else
 621                         connman_ipaddress_copy(ipdevice->config->system,
 622                                                         ipaddress);
 623         }
 624
 625         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 626                 return;
 627
 628         if (g_slist_length(ipdevice->address_list) > 1)
 629                 return;
 630
 631         for (list = g_list_first(ipconfig_list); list;
 632                                                 list = g_list_next(list)) {
 633                 struct connman_ipconfig *ipconfig = list->data;
 634
 635                 if (index != ipconfig->index)
 636                         continue;
 637
 638                 if (ipconfig->ops == NULL)
 639                         continue;
 640
 641                 if (ipconfig->ops->ip_bound)
 642                         ipconfig->ops->ip_bound(ipconfig);
 643         }
 644 }
 645
 646 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 647                                 unsigned char prefixlen, const char *address)
 648 {
 649         struct connman_ipdevice *ipdevice;
 650         struct connman_ipaddress *ipaddress;
 651         GList *list;
 652
 653         DBG("index %d", index);
 654
 655         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 656         if (ipdevice == NULL)
 657                 return;
 658
 659         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 660         if (ipaddress == NULL)
 661                 return;
 662
 663         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 664                                                                 ipaddress);
 665
 666         connman_ipaddress_free(ipaddress);
 667
 668         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 669                                                 address, prefixlen, label);
 670
 671         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 672                 return;
 673
 674         if (g_slist_length(ipdevice->address_list) > 0)
 675                 return;
 676
 677         for (list = g_list_first(ipconfig_list); list;
 678                                                 list = g_list_next(list)) {
 679                 struct connman_ipconfig *ipconfig = list->data;
 680
 681                 if (index != ipconfig->index)
 682                         continue;
 683
 684                 if (ipconfig->ops == NULL)
 685                         continue;
 686
 687                 if (ipconfig->ops->ip_release)
 688                         ipconfig->ops->ip_release(ipconfig);
 689         }
 690 }
 691
 692 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 693                                         const char *dst, const char *gateway)
 694 {
 695         struct connman_ipdevice *ipdevice;
 696
 697         DBG("index %d", index);
 698
 699         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 700         if (ipdevice == NULL)
 701                 return;
 702
 703         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 704                 GSList *list;
 705
 706                 if (family == AF_INET6) {
 707                         g_free(ipdevice->ipv6_gateway);
 708                         ipdevice->ipv6_gateway = g_strdup(gateway);
 709                 } else {
 710                         g_free(ipdevice->ipv4_gateway);
 711                         ipdevice->ipv4_gateway = g_strdup(gateway);
 712                 }
 713
 714                 if (ipdevice->config != NULL &&
 715                                         ipdevice->config->system != NULL) {
 716                         g_free(ipdevice->config->system->gateway);
 717                         ipdevice->config->system->gateway = g_strdup(gateway);
 718                 }
 719
 720                 for (list = ipdevice->address_list; list; list = list->next) {
 721                         struct connman_ipaddress *ipaddress = list->data;
 722
 723                         g_free(ipaddress->gateway);
 724                         ipaddress->gateway = g_strdup(gateway);
 725                 }
 726         }
 727
 728         connman_info("%s {add} route %s gw %s scope %u <%s>",
 729                                         ipdevice->ifname, dst, gateway,
 730                                                 scope, scope2str(scope));
 731 }
 732
 733 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 734                                         const char *dst, const char *gateway)
 735 {
 736         struct connman_ipdevice *ipdevice;
 737
 738         DBG("index %d", index);
 739
 740         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 741         if (ipdevice == NULL)
 742                 return;
 743
 744         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 745                 GSList *list;
 746
 747                 if (family == AF_INET6) {
 748                         g_free(ipdevice->ipv6_gateway);
 749                         ipdevice->ipv6_gateway = NULL;
 750                 } else {
 751                         g_free(ipdevice->ipv4_gateway);
 752                         ipdevice->ipv4_gateway = NULL;
 753                 }
 754
 755                 if (ipdevice->config != NULL &&
 756                                         ipdevice->config->system != NULL) {
 757                         g_free(ipdevice->config->system->gateway);
 758                         ipdevice->config->system->gateway = NULL;
 759                 }
 760
 761                 for (list = ipdevice->address_list; list; list = list->next) {
 762                         struct connman_ipaddress *ipaddress = list->data;
 763
 764                         g_free(ipaddress->gateway);
 765                         ipaddress->gateway = NULL;
 766                 }
 767         }
 768
 769         connman_info("%s {del} route %s gw %s scope %u <%s>",
 770                                         ipdevice->ifname, dst, gateway,
 771                                                 scope, scope2str(scope));
 772 }
 773
 774 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 775                                                         void *user_data)
 776 {
 777         GList *list, *keys;
 778
 779         keys = g_hash_table_get_keys(ipdevice_hash);
 780         if (keys == NULL)
 781                 return;
 782
 783         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 784                 int index = GPOINTER_TO_INT(list->data);
 785
 786                 function(index, user_data);
 787         }
 788
 789         g_list_free(keys);
 790 }
 791
 792 unsigned short __connman_ipconfig_get_type(int index)
 793 {
 794         struct connman_ipdevice *ipdevice;
 795
 796         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 797         if (ipdevice == NULL)
 798                 return ARPHRD_VOID;
 799
 800         return ipdevice->type;
 801 }
 802
 803 unsigned int __connman_ipconfig_get_flags(int index)
 804 {
 805         struct connman_ipdevice *ipdevice;
 806
 807         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 808         if (ipdevice == NULL)
 809                 return 0;
 810
 811         return ipdevice->flags;
 812 }
 813
 814 const char *__connman_ipconfig_get_gateway(int index)
 815 {
 816         struct connman_ipdevice *ipdevice;
 817
 818         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 819         if (ipdevice == NULL)
 820                 return NULL;
 821
 822         if (ipdevice->ipv4_gateway != NULL)
 823                 return ipdevice->ipv4_gateway;
 824
 825         if (ipdevice->config != NULL &&
 826                         ipdevice->config->address != NULL)
 827                 return ipdevice->config->address->gateway;
 828
 829         return NULL;
 830 }
 831
 832 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 833 {
 834         ipconfig->index = index;
 835
 836         if (ipconfig->ipv6 != NULL)
 837                 ipconfig->ipv6->index = index;
 838 }
 839
 840 static struct connman_ipconfig *create_ipv6config(int index)
 841 {
 842         struct connman_ipconfig *ipv6config;
 843
 844         DBG("index %d", index);
 845
 846         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 847         if (ipv6config == NULL)
 848                 return NULL;
 849
 850         ipv6config->index = index;
 851         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 852
 853         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 854         if (ipv6config->address == NULL) {
 855                 g_free(ipv6config);
 856                 return NULL;
 857         }
 858
 859         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 860
 861         ipv6config->ipv6 = NULL;
 862
 863         DBG("ipconfig %p", ipv6config);
 864
 865         return ipv6config;
 866 }
 867
 868 /**
 869  * connman_ipconfig_create:
 870  *
 871  * Allocate a new ipconfig structure.
 872  *
 873  * Returns: a newly-allocated #connman_ipconfig structure
 874  */
 875 struct connman_ipconfig *connman_ipconfig_create(int index)
 876 {
 877         struct connman_ipconfig *ipconfig;
 878
 879         DBG("index %d", index);
 880
 881         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 882         if (ipconfig == NULL)
 883                 return NULL;
 884
 885         ipconfig->refcount = 1;
 886
 887         ipconfig->index = index;
 888         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 889
 890         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 891         if (ipconfig->address == NULL) {
 892                 g_free(ipconfig);
 893                 return NULL;
 894         }
 895
 896         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 897
 898         ipconfig->ipv6 = create_ipv6config(index);
 899
 900         DBG("ipconfig %p", ipconfig);
 901
 902         return ipconfig;
 903 }
 904
 905 /**
 906  * connman_ipconfig_clone:
 907  *
 908  * Clone an ipconfig structure and create new reference.
 909  *
 910  * Returns: a newly-allocated #connman_ipconfig structure
 911  */
 912 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 913 {
 914         struct connman_ipconfig *ipconfig_clone;
 915
 916         DBG("ipconfig %p", ipconfig);
 917
 918         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 919         if (ipconfig_clone == NULL)
 920                 return NULL;
 921
 922         ipconfig_clone->refcount = 1;
 923
 924         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 925
 926         ipconfig_clone->index = -1;
 927
 928         return ipconfig_clone;
 929 }
 930
 931 /**
 932  * connman_ipconfig_ref:
 933  * @ipconfig: ipconfig structure
 934  *
 935  * Increase reference counter of ipconfig
 936  */
 937 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 938 {
 939         g_atomic_int_inc(&ipconfig->refcount);
 940
 941         return ipconfig;
 942 }
 943
 944 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
 945 {
 946         if (ipconfig == NULL)
 947                 return;
 948
 949         connman_ipconfig_set_ops(ipconfig, NULL);
 950         connman_ipaddress_free(ipconfig->system);
 951         connman_ipaddress_free(ipconfig->address);
 952         g_free(ipconfig->ipv6);
 953 }
 954
 955 /**
 956  * connman_ipconfig_unref:
 957  * @ipconfig: ipconfig structure
 958  *
 959  * Decrease reference counter of ipconfig
 960  */
 961 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 962 {
 963         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 964                 __connman_ipconfig_disable(ipconfig);
 965
 966                 connman_ipconfig_set_ops(ipconfig, NULL);
 967
 968                 if (ipconfig->origin != NULL) {
 969                         connman_ipconfig_unref(ipconfig->origin);
 970                         ipconfig->origin = NULL;
 971                 }
 972
 973                 connman_ipaddress_free(ipconfig->system);
 974                 connman_ipaddress_free(ipconfig->address);
 975                 free_ipv6config(ipconfig->ipv6);
 976                 g_free(ipconfig);
 977         }
 978 }
 979
 980 /**
 981  * connman_ipconfig_get_data:
 982  * @ipconfig: ipconfig structure
 983  *
 984  * Get private data pointer
 985  */
 986 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 987 {
 988         return ipconfig->ops_data;
 989 }
 990
 991 /**
 992  * connman_ipconfig_set_data:
 993  * @ipconfig: ipconfig structure
 994  * @data: data pointer
 995  *
 996  * Set private data pointer
 997  */
 998 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
 999 {
1000         ipconfig->ops_data = data;
1001 }
1002
1003 /**
1004  * connman_ipconfig_get_index:
1005  * @ipconfig: ipconfig structure
1006  *
1007  * Get interface index
1008  */
1009 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1010 {
1011         if (ipconfig == NULL)
1012                 return -1;
1013
1014         if (ipconfig->origin != NULL)
1015                 return ipconfig->origin->index;
1016
1017         return ipconfig->index;
1018 }
1019
1020 /**
1021  * connman_ipconfig_get_ifname:
1022  * @ipconfig: ipconfig structure
1023  *
1024  * Get interface name
1025  */
1026 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1027 {
1028         struct connman_ipdevice *ipdevice;
1029
1030         if (ipconfig == NULL)
1031                 return NULL;
1032
1033         if (ipconfig->index < 0)
1034                 return NULL;
1035
1036         ipdevice = g_hash_table_lookup(ipdevice_hash,
1037                                         GINT_TO_POINTER(ipconfig->index));
1038         if (ipdevice == NULL)
1039                 return NULL;
1040
1041         return ipdevice->ifname;
1042 }
1043
1044 /**
1045  * connman_ipconfig_set_ops:
1046  * @ipconfig: ipconfig structure
1047  * @ops: operation callbacks
1048  *
1049  * Set the operation callbacks
1050  */
1051 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1052                                 const struct connman_ipconfig_ops *ops)
1053 {
1054         ipconfig->ops = ops;
1055 }
1056
1057 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1058                                 struct connman_ipconfig *ipconfig)
1059 {
1060         if (ipconfig == NULL)
1061                 return NULL;
1062
1063         return ipconfig->ipv6;
1064 }
1065
1066 /**
1067  * connman_ipconfig_set_method:
1068  * @ipconfig: ipconfig structure
1069  * @method: configuration method
1070  *
1071  * Set the configuration method
1072  */
1073 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1074                                         enum connman_ipconfig_method method)
1075 {
1076         ipconfig->method = method;
1077
1078         return 0;
1079 }
1080
1081 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1082 {
1083         if (ipconfig == NULL)
1084                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1085
1086         return ipconfig->method;
1087 }
1088
1089 /**
1090  * connman_ipconfig_bind:
1091  * @ipconfig: ipconfig structure
1092  * @ipaddress: ipaddress structure
1093  *
1094  * Bind IP address details to configuration
1095  */
1096 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1097                                         struct connman_ipaddress *ipaddress)
1098 {
1099         struct connman_ipconfig *origin;
1100
1101         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1102
1103         connman_ipaddress_copy(origin->address, ipaddress);
1104
1105         connman_inet_set_address(origin->index, origin->address);
1106 }
1107
1108 void __connman_ipconfig_set_element_ipv6_gateway(
1109                         struct connman_ipconfig *ipconfig,
1110                                 struct connman_element *element)
1111 {
1112         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1113 }
1114
1115 /*
1116  * FIXME: The element soulution should be removed in the future
1117  * Set IPv4 and IPv6 gateway
1118  */
1119 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1120                                                 struct connman_element *parent)
1121 {
1122         struct connman_element *connection;
1123
1124         connection = connman_element_create(NULL);
1125
1126         DBG("ipconfig %p", ipconfig);
1127
1128         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1129         connection->index = ipconfig->index;
1130         connection->ipv4.gateway = ipconfig->address->gateway;
1131         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1132
1133         if (connman_element_register(connection, parent) < 0)
1134                 connman_element_unref(connection);
1135
1136         return 0;
1137 }
1138
1139 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1140 {
1141         DBG("");
1142
1143         switch (ipconfig->method) {
1144         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1145         case CONNMAN_IPCONFIG_METHOD_OFF:
1146         case CONNMAN_IPCONFIG_METHOD_FIXED:
1147         case CONNMAN_IPCONFIG_METHOD_DHCP:
1148                 break;
1149         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1150                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1151                         return connman_inet_set_address(ipconfig->index,
1152                                                         ipconfig->address);
1153                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1154                         return connman_inet_set_ipv6_address(
1155                                         ipconfig->index, ipconfig->address);
1156         }
1157
1158         return 0;
1159 }
1160
1161 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1162 {
1163         DBG("");
1164
1165         if (ipconfig == NULL)
1166                 return 0;
1167
1168         DBG("method %d", ipconfig->method);
1169
1170         switch (ipconfig->method) {
1171         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1172         case CONNMAN_IPCONFIG_METHOD_OFF:
1173         case CONNMAN_IPCONFIG_METHOD_FIXED:
1174         case CONNMAN_IPCONFIG_METHOD_DHCP:
1175                 break;
1176         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1177                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1178                         return connman_inet_clear_address(ipconfig->index);
1179                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1180                         return connman_inet_clear_ipv6_address(
1181                                                 ipconfig->index,
1182                                                 ipconfig->address->local,
1183                                                 ipconfig->address->prefixlen);
1184         }
1185
1186         return 0;
1187 }
1188
1189 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1190 {
1191         struct connman_ipdevice *ipdevice;
1192         gboolean up = FALSE, down = FALSE;
1193         gboolean lower_up = FALSE, lower_down = FALSE;
1194
1195         DBG("ipconfig %p", ipconfig);
1196
1197         if (ipconfig == NULL || ipconfig->index < 0)
1198                 return -ENODEV;
1199
1200         ipdevice = g_hash_table_lookup(ipdevice_hash,
1201                                         GINT_TO_POINTER(ipconfig->index));
1202         if (ipdevice == NULL)
1203                 return -ENXIO;
1204
1205         if (ipdevice->config == ipconfig)
1206                 return -EALREADY;
1207
1208         if (ipdevice->config != NULL) {
1209                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1210
1211                 connman_ipaddress_clear(ipdevice->config->system);
1212
1213                 connman_ipconfig_unref(ipdevice->config);
1214         }
1215
1216         ipdevice->config = connman_ipconfig_ref(ipconfig);
1217
1218         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1219
1220         if (ipdevice->flags & IFF_UP)
1221                 up = TRUE;
1222         else
1223                 down = TRUE;
1224
1225         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1226                         (IFF_RUNNING | IFF_LOWER_UP))
1227                 lower_up = TRUE;
1228         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1229                 lower_down = TRUE;
1230
1231         if (up == TRUE && ipconfig->ops->up)
1232                 ipconfig->ops->up(ipconfig);
1233         if (lower_up == TRUE && ipconfig->ops->lower_up)
1234                 ipconfig->ops->lower_up(ipconfig);
1235
1236         if (lower_down == TRUE && ipconfig->ops->lower_down)
1237                 ipconfig->ops->lower_down(ipconfig);
1238         if (down == TRUE && ipconfig->ops->down)
1239                 ipconfig->ops->down(ipconfig);
1240
1241         return 0;
1242 }
1243
1244 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1245 {
1246         struct connman_ipdevice *ipdevice;
1247
1248         DBG("ipconfig %p", ipconfig);
1249
1250         if (ipconfig == NULL || ipconfig->index < 0)
1251                 return -ENODEV;
1252
1253         ipdevice = g_hash_table_lookup(ipdevice_hash,
1254                                         GINT_TO_POINTER(ipconfig->index));
1255         if (ipdevice == NULL)
1256                 return -ENXIO;
1257
1258         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1259                 return -EINVAL;
1260
1261         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1262
1263         connman_ipaddress_clear(ipdevice->config->system);
1264         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1265
1266         connman_ipconfig_unref(ipdevice->config);
1267         ipdevice->config = NULL;
1268
1269         return 0;
1270 }
1271
1272 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1273 {
1274         switch (method) {
1275         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1276                 break;
1277         case CONNMAN_IPCONFIG_METHOD_OFF:
1278                 return "off";
1279         case CONNMAN_IPCONFIG_METHOD_FIXED:
1280                 return "fixed";
1281         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1282                 return "manual";
1283         case CONNMAN_IPCONFIG_METHOD_DHCP:
1284                 return "dhcp";
1285         }
1286
1287         return NULL;
1288 }
1289
1290 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1291 {
1292         if (g_strcmp0(method, "off") == 0)
1293                 return CONNMAN_IPCONFIG_METHOD_OFF;
1294         else if (g_strcmp0(method, "fixed") == 0)
1295                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1296         else if (g_strcmp0(method, "manual") == 0)
1297                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1298         else if (g_strcmp0(method, "dhcp") == 0)
1299                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1300         else
1301                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1302 }
1303
1304 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1305                                                         DBusMessageIter *iter)
1306 {
1307         const char *str;
1308
1309         DBG("");
1310
1311         str = __connman_ipconfig_method2string(ipconfig->method);
1312         if (str == NULL)
1313                 return;
1314
1315         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1316
1317         if (ipconfig->system == NULL)
1318                 return;
1319
1320         if (ipconfig->system->local != NULL) {
1321                 in_addr_t addr;
1322                 struct in_addr netmask;
1323                 char *mask;
1324
1325                 connman_dbus_dict_append_basic(iter, "Address",
1326                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1327
1328                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1329                 netmask.s_addr = htonl(addr);
1330                 mask = inet_ntoa(netmask);
1331                 connman_dbus_dict_append_basic(iter, "Netmask",
1332                                                 DBUS_TYPE_STRING, &mask);
1333         }
1334
1335         if (ipconfig->system->gateway != NULL)
1336                 connman_dbus_dict_append_basic(iter, "Gateway",
1337                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1338 }
1339
1340 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1341                                                         DBusMessageIter *iter)
1342 {
1343         const char *str;
1344
1345         DBG("");
1346
1347         str = __connman_ipconfig_method2string(ipconfig->method);
1348         if (str == NULL)
1349                 return;
1350
1351         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1352
1353         if (ipconfig->system == NULL)
1354                 return;
1355
1356         if (ipconfig->system->local != NULL) {
1357                 connman_dbus_dict_append_basic(iter, "Address",
1358                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1359                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1360                                                 DBUS_TYPE_BYTE,
1361                                                 &ipconfig->system->prefixlen);
1362         }
1363
1364         if (ipconfig->system->gateway != NULL)
1365                 connman_dbus_dict_append_basic(iter, "Gateway",
1366                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1367 }
1368
1369 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1370                                                         DBusMessageIter *iter)
1371 {
1372         const char *str;
1373
1374         DBG("");
1375
1376         str = __connman_ipconfig_method2string(ipconfig->method);
1377         if (str == NULL)
1378                 return;
1379
1380         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1381
1382         switch (ipconfig->method) {
1383         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1384         case CONNMAN_IPCONFIG_METHOD_OFF:
1385         case CONNMAN_IPCONFIG_METHOD_DHCP:
1386                 return;
1387         case CONNMAN_IPCONFIG_METHOD_FIXED:
1388         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1389                 break;
1390         }
1391
1392         if (ipconfig->address == NULL)
1393                 return;
1394
1395         if (ipconfig->address->local != NULL) {
1396                 connman_dbus_dict_append_basic(iter, "Address",
1397                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1398                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1399                                                 DBUS_TYPE_BYTE,
1400                                                 &ipconfig->address->prefixlen);
1401         }
1402
1403         if (ipconfig->address->gateway != NULL)
1404                 connman_dbus_dict_append_basic(iter, "Gateway",
1405                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1406 }
1407
1408 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1409                                                         DBusMessageIter *iter)
1410 {
1411         const char *str;
1412
1413         DBG("");
1414
1415         str = __connman_ipconfig_method2string(ipconfig->method);
1416         if (str == NULL)
1417                 return;
1418
1419         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1420
1421         switch (ipconfig->method) {
1422         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1423         case CONNMAN_IPCONFIG_METHOD_OFF:
1424         case CONNMAN_IPCONFIG_METHOD_FIXED:
1425         case CONNMAN_IPCONFIG_METHOD_DHCP:
1426                 return;
1427         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1428                 break;
1429         }
1430
1431         if (ipconfig->address == NULL)
1432                 return;
1433
1434         if (ipconfig->address->local != NULL) {
1435                 in_addr_t addr;
1436                 struct in_addr netmask;
1437                 char *mask;
1438
1439                 connman_dbus_dict_append_basic(iter, "Address",
1440                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1441
1442                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1443                 netmask.s_addr = htonl(addr);
1444                 mask = inet_ntoa(netmask);
1445                 connman_dbus_dict_append_basic(iter, "Netmask",
1446                                                 DBUS_TYPE_STRING, &mask);
1447         }
1448
1449         if (ipconfig->address->gateway != NULL)
1450                 connman_dbus_dict_append_basic(iter, "Gateway",
1451                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1452 }
1453
1454 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1455                 enum connman_ipconfig_type type, DBusMessageIter *array)
1456 {
1457         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1458         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1459                         *prefix_length_string = NULL;
1460         int prefix_length = 0;
1461         DBusMessageIter dict;
1462
1463         DBG("ipconfig %p type %d", ipconfig, type);
1464
1465         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1466                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1467                 return -EINVAL;
1468
1469         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1470                 return -EINVAL;
1471
1472         dbus_message_iter_recurse(array, &dict);
1473
1474         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1475                 DBusMessageIter entry;
1476                 const char *key;
1477                 int type;
1478
1479                 dbus_message_iter_recurse(&dict, &entry);
1480
1481                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1482                         return -EINVAL;
1483
1484                 dbus_message_iter_get_basic(&entry, &key);
1485                 dbus_message_iter_next(&entry);
1486
1487                 type = dbus_message_iter_get_arg_type(&entry);
1488
1489                 if (g_str_equal(key, "Method") == TRUE) {
1490                         const char *str;
1491
1492                         if (type != DBUS_TYPE_STRING)
1493                                 return -EINVAL;
1494
1495                         dbus_message_iter_get_basic(&entry, &str);
1496                         method = __connman_ipconfig_string2method(str);
1497                 } else if (g_str_equal(key, "Address") == TRUE) {
1498                         if (type != DBUS_TYPE_STRING)
1499                                 return -EINVAL;
1500
1501                         dbus_message_iter_get_basic(&entry, &address);
1502                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1503                         if (type != DBUS_TYPE_STRING)
1504                                 return -EINVAL;
1505
1506                         dbus_message_iter_get_basic(&entry,
1507                                                         &prefix_length_string);
1508
1509                         prefix_length = atoi(prefix_length_string);
1510                         if (prefix_length < 0 || prefix_length > 128)
1511                                 return -EINVAL;
1512
1513                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1514                         if (type != DBUS_TYPE_STRING)
1515                                 return -EINVAL;
1516
1517                         dbus_message_iter_get_basic(&entry, &netmask);
1518                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1519                         if (type != DBUS_TYPE_STRING)
1520                                 return -EINVAL;
1521
1522                         dbus_message_iter_get_basic(&entry, &gateway);
1523                 }
1524                 dbus_message_iter_next(&dict);
1525         }
1526
1527         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1528                         method, address, netmask, gateway, prefix_length);
1529
1530         switch (method) {
1531         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1532         case CONNMAN_IPCONFIG_METHOD_OFF:
1533         case CONNMAN_IPCONFIG_METHOD_FIXED:
1534                 return -EINVAL;
1535
1536         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1537                 if (address == NULL)
1538                         return -EINVAL;
1539
1540                 ipconfig->method = method;
1541
1542                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1543                         connman_ipaddress_set_ipv4(ipconfig->address,
1544                                                 address, netmask, gateway);
1545                 else
1546                         return connman_ipaddress_set_ipv6(
1547                                         ipconfig->address, address,
1548                                                 gateway, prefix_length);
1549                 break;
1550
1551         case CONNMAN_IPCONFIG_METHOD_DHCP:
1552                 if (ipconfig->method == method)
1553                         return 0;
1554
1555                 ipconfig->method = method;
1556                 break;
1557         }
1558
1559         return 0;
1560 }
1561
1562 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1563                                                         DBusMessageIter *iter)
1564 {
1565         const char *method = "direct";
1566
1567         connman_dbus_dict_append_basic(iter, "Method",
1568                                                 DBUS_TYPE_STRING, &method);
1569 }
1570
1571 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1572                                                         DBusMessageIter *iter)
1573 {
1574         struct connman_ipdevice *ipdevice;
1575         const char *method = "auto";
1576
1577         connman_dbus_dict_append_basic(iter, "Method",
1578                                                 DBUS_TYPE_STRING, &method);
1579
1580         ipdevice = g_hash_table_lookup(ipdevice_hash,
1581                                         GINT_TO_POINTER(ipconfig->index));
1582         if (ipdevice == NULL)
1583                 return;
1584
1585         if (ipdevice->ifname != NULL)
1586                 connman_dbus_dict_append_basic(iter, "Interface",
1587                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1588
1589         if (ipdevice->address != NULL)
1590                 connman_dbus_dict_append_basic(iter, "Address",
1591                                         DBUS_TYPE_STRING, &ipdevice->address);
1592
1593         if (ipdevice->mtu > 0)
1594                 connman_dbus_dict_append_basic(iter, "MTU",
1595                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1596 }
1597
1598 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1599                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1600 {
1601         const char *method;
1602         char *key;
1603
1604         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1605
1606         key = g_strdup_printf("%smethod", prefix);
1607         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1608         if (method == NULL)
1609                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1610         else
1611                 ipconfig->method = __connman_ipconfig_string2method(method);
1612         g_free(key);
1613
1614         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1615         ipconfig->address->prefixlen = g_key_file_get_integer(
1616                                 keyfile, identifier, key, NULL);
1617         g_free(key);
1618
1619         key = g_strdup_printf("%slocal_address", prefix);
1620         ipconfig->address->local = g_key_file_get_string(
1621                         keyfile, identifier, key, NULL);
1622         g_free(key);
1623
1624         key = g_strdup_printf("%speer_address", prefix);
1625         ipconfig->address->peer = g_key_file_get_string(
1626                                 keyfile, identifier, key, NULL);
1627         g_free(key);
1628
1629         key = g_strdup_printf("%sbroadcast_address", prefix);
1630         ipconfig->address->broadcast = g_key_file_get_string(
1631                                 keyfile, identifier, key, NULL);
1632         g_free(key);
1633
1634         key = g_strdup_printf("%sgateway", prefix);
1635         ipconfig->address->gateway = g_key_file_get_string(
1636                                 keyfile, identifier, key, NULL);
1637         g_free(key);
1638
1639         return 0;
1640 }
1641
1642 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1643                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1644 {
1645         const char *method;
1646         char *key;
1647
1648         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1649
1650         method = __connman_ipconfig_method2string(ipconfig->method);
1651
1652         key = g_strdup_printf("%smethod", prefix);
1653         g_key_file_set_string(keyfile, identifier, key, method);
1654         g_free(key);
1655
1656         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1657         g_key_file_set_integer(keyfile, identifier,
1658                         key, ipconfig->address->prefixlen);
1659         g_free(key);
1660
1661         key = g_strdup_printf("%slocal_address", prefix);
1662         if (ipconfig->address->local != NULL)
1663                 g_key_file_set_string(keyfile, identifier,
1664                                 key, ipconfig->address->local);
1665         g_free(key);
1666
1667         key = g_strdup_printf("%speer_address", prefix);
1668         if (ipconfig->address->peer != NULL)
1669                 g_key_file_set_string(keyfile, identifier,
1670                                 key, ipconfig->address->peer);
1671         g_free(key);
1672
1673         key = g_strdup_printf("%sbroadcast_address", prefix);
1674         if (ipconfig->address->broadcast != NULL)
1675                 g_key_file_set_string(keyfile, identifier,
1676                         key, ipconfig->address->broadcast);
1677         g_free(key);
1678
1679         key = g_strdup_printf("%sgateway", prefix);
1680         if (ipconfig->address->gateway != NULL)
1681                 g_key_file_set_string(keyfile, identifier,
1682                         key, ipconfig->address->gateway);
1683         g_free(key);
1684
1685         return 0;
1686 }
1687
1688 int __connman_ipconfig_init(void)
1689 {
1690         DBG("");
1691
1692         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1693                                                         NULL, free_ipdevice);
1694
1695         return 0;
1696 }
1697
1698 void __connman_ipconfig_cleanup(void)
1699 {
1700         DBG("");
1701
1702         g_hash_table_destroy(ipdevice_hash);
1703         ipdevice_hash = NULL;
1704 }