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 *gateway;
  75
  76         struct connman_ipconfig *config;
  77
  78         struct connman_ipconfig_driver *driver;
  79         struct connman_ipconfig *driver_config;
  80 };
  81
  82 static GHashTable *ipdevice_hash = NULL;
  83 static GList *ipconfig_list = NULL;
  84
  85 struct connman_ipaddress *connman_ipaddress_alloc(void)
  86 {
  87         struct connman_ipaddress *ipaddress;
  88
  89         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  90         if (ipaddress == NULL)
  91                 return NULL;
  92
  93         ipaddress->prefixlen = 0;
  94         ipaddress->local = NULL;
  95         ipaddress->peer = NULL;
  96         ipaddress->broadcast = NULL;
  97         ipaddress->gateway = NULL;
  98
  99         return ipaddress;
 100 }
 101
 102 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 103 {
 104         if (ipaddress == NULL)
 105                 return;
 106
 107         g_free(ipaddress->broadcast);
 108         g_free(ipaddress->peer);
 109         g_free(ipaddress->local);
 110         g_free(ipaddress->gateway);
 111         g_free(ipaddress);
 112 }
 113
 114 static unsigned char netmask2prefixlen(const char *netmask)
 115 {
 116         unsigned char bits = 0;
 117         in_addr_t mask = inet_network(netmask);
 118         in_addr_t host = ~mask;
 119
 120         /* a valid netmask must be 2^n - 1 */
 121         if ((host & (host + 1)) != 0)
 122                 return -1;
 123
 124         for (; mask; mask <<= 1)
 125                 ++bits;
 126
 127         return bits;
 128 }
 129
 130 static gboolean check_ipv6_address(const char *address)
 131 {
 132         unsigned char buf[sizeof(struct in6_addr)];
 133         int err;
 134
 135         err = inet_pton(AF_INET6, address, buf);
 136         if (err > 0)
 137                 return TRUE;
 138
 139         return FALSE;
 140 }
 141
 142 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 143                                 const char *address, const char *gateway,
 144                                                 unsigned char prefix_length)
 145 {
 146         if (ipaddress == NULL)
 147                 return -EINVAL;
 148
 149         if (check_ipv6_address(address) == FALSE)
 150                 return -EINVAL;
 151
 152         if (check_ipv6_address(gateway) == FALSE)
 153                 return -EINVAL;
 154
 155         DBG("prefix_len %d address %s gateway %s",
 156                         prefix_length, address, gateway);
 157
 158         ipaddress->prefixlen = prefix_length;
 159
 160         g_free(ipaddress->local);
 161         ipaddress->local = g_strdup(address);
 162
 163         g_free(ipaddress->gateway);
 164         ipaddress->gateway = g_strdup(gateway);
 165
 166         return 0;
 167 }
 168
 169 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 170                 const char *address, const char *netmask, const char *gateway)
 171 {
 172         if (ipaddress == NULL)
 173                 return;
 174
 175         if (netmask != NULL)
 176                 ipaddress->prefixlen = netmask2prefixlen(netmask);
 177         else
 178                 ipaddress->prefixlen = 32;
 179
 180         g_free(ipaddress->local);
 181         ipaddress->local = g_strdup(address);
 182
 183         g_free(ipaddress->gateway);
 184         ipaddress->gateway = g_strdup(gateway);
 185 }
 186
 187 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 188 {
 189         if (ipaddress == NULL)
 190                 return;
 191
 192         ipaddress->prefixlen = 0;
 193
 194         g_free(ipaddress->local);
 195         ipaddress->local = NULL;
 196
 197         g_free(ipaddress->peer);
 198         ipaddress->peer = NULL;
 199
 200         g_free(ipaddress->broadcast);
 201         ipaddress->broadcast = NULL;
 202
 203         g_free(ipaddress->gateway);
 204         ipaddress->gateway = NULL;
 205 }
 206
 207 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 208                                         struct connman_ipaddress *source)
 209 {
 210         if (ipaddress == NULL || source == NULL)
 211                 return;
 212
 213         ipaddress->prefixlen = source->prefixlen;
 214
 215         g_free(ipaddress->local);
 216         ipaddress->local = g_strdup(source->local);
 217
 218         g_free(ipaddress->peer);
 219         ipaddress->peer = g_strdup(source->peer);
 220
 221         g_free(ipaddress->broadcast);
 222         ipaddress->broadcast = g_strdup(source->broadcast);
 223
 224         g_free(ipaddress->gateway);
 225         ipaddress->gateway = g_strdup(source->gateway);
 226 }
 227
 228 static void free_address_list(struct connman_ipdevice *ipdevice)
 229 {
 230         GSList *list;
 231
 232         for (list = ipdevice->address_list; list; list = list->next) {
 233                 struct connman_ipaddress *ipaddress = list->data;
 234
 235                 connman_ipaddress_free(ipaddress);
 236                 list->data = NULL;
 237         }
 238
 239         g_slist_free(ipdevice->address_list);
 240         ipdevice->address_list = NULL;
 241 }
 242
 243 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 244                                 unsigned char prefixlen, const char *local)
 245 {
 246         GSList *list;
 247
 248         for (list = ipdevice->address_list; list; list = list->next) {
 249                 struct connman_ipaddress *ipaddress = list->data;
 250
 251                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 252                                         ipaddress->prefixlen == prefixlen)
 253                         return ipaddress;
 254         }
 255
 256         return NULL;
 257 }
 258
 259 static const char *type2str(unsigned short type)
 260 {
 261         switch (type) {
 262         case ARPHRD_ETHER:
 263                 return "ETHER";
 264         case ARPHRD_LOOPBACK:
 265                 return "LOOPBACK";
 266         case ARPHRD_PPP:
 267                 return "PPP";
 268         case ARPHRD_NONE:
 269                 return "NONE";
 270         case ARPHRD_VOID:
 271                 return "VOID";
 272         }
 273
 274         return "";
 275 }
 276
 277 static const char *scope2str(unsigned char scope)
 278 {
 279         switch (scope) {
 280         case 0:
 281                 return "UNIVERSE";
 282         case 253:
 283                 return "LINK";
 284         }
 285
 286         return "";
 287 }
 288
 289 static void free_ipdevice(gpointer data)
 290 {
 291         struct connman_ipdevice *ipdevice = data;
 292
 293         connman_info("%s {remove} index %d", ipdevice->ifname,
 294                                                         ipdevice->index);
 295
 296         if (ipdevice->config != NULL)
 297                 connman_ipconfig_unref(ipdevice->config);
 298
 299         free_address_list(ipdevice);
 300         g_free(ipdevice->gateway);
 301
 302         g_free(ipdevice->address);
 303         g_free(ipdevice->ifname);
 304         g_free(ipdevice);
 305 }
 306
 307 static GSList *driver_list = NULL;
 308
 309 static gint compare_priority(gconstpointer a, gconstpointer b)
 310 {
 311         const struct connman_ipconfig_driver *driver1 = a;
 312         const struct connman_ipconfig_driver *driver2 = b;
 313
 314         return driver2->priority - driver1->priority;
 315 }
 316
 317 /**
 318  * connman_ipconfig_driver_register:
 319  * @driver: IP configuration driver
 320  *
 321  * Register a new IP configuration driver
 322  *
 323  * Returns: %0 on success
 324  */
 325 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 326 {
 327         DBG("driver %p name %s", driver, driver->name);
 328
 329         driver_list = g_slist_insert_sorted(driver_list, driver,
 330                                                         compare_priority);
 331
 332         return 0;
 333 }
 334
 335 /**
 336  * connman_ipconfig_driver_unregister:
 337  * @driver: IP configuration driver
 338  *
 339  * Remove a previously registered IP configuration driver.
 340  */
 341 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 342 {
 343         DBG("driver %p name %s", driver, driver->name);
 344
 345         driver_list = g_slist_remove(driver_list, driver);
 346 }
 347
 348 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 349 {
 350         GSList *list;
 351
 352         DBG("ipconfig %p", ipdevice->config);
 353
 354         if (ipdevice->config == NULL)
 355                 return;
 356
 357         switch (ipdevice->config->method) {
 358         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 359         case CONNMAN_IPCONFIG_METHOD_OFF:
 360         case CONNMAN_IPCONFIG_METHOD_FIXED:
 361         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 362                 return;
 363         case CONNMAN_IPCONFIG_METHOD_DHCP:
 364                 break;
 365         }
 366
 367         if (ipdevice->driver != NULL)
 368                 return;
 369
 370         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 371         if (ipdevice->driver_config == NULL)
 372                 return;
 373
 374         for (list = driver_list; list; list = list->next) {
 375                 struct connman_ipconfig_driver *driver = list->data;
 376
 377                 if (driver->request(ipdevice->driver_config) == 0) {
 378                         ipdevice->driver = driver;
 379                         break;
 380                 }
 381         }
 382
 383         if (ipdevice->driver == NULL) {
 384                 connman_ipconfig_unref(ipdevice->driver_config);
 385                 ipdevice->driver_config = NULL;
 386         }
 387 }
 388
 389 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 390 {
 391         DBG("ipconfig %p", ipdevice->config);
 392
 393         if (ipdevice->config == NULL)
 394                 return;
 395
 396         if (ipdevice->driver == NULL)
 397                 return;
 398
 399         ipdevice->driver->release(ipdevice->driver_config);
 400
 401         ipdevice->driver = NULL;
 402
 403         connman_ipconfig_unref(ipdevice->driver_config);
 404         ipdevice->driver_config = NULL;
 405
 406         connman_inet_clear_address(ipdevice->index);
 407         connman_inet_clear_ipv6_address(ipdevice->index,
 408                         ipdevice->driver_config->address->local,
 409                         ipdevice->driver_config->address->prefixlen);
 410 }
 411
 412 static void update_stats(struct connman_ipdevice *ipdevice,
 413                                                 struct rtnl_link_stats *stats)
 414 {
 415         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 416                 return;
 417
 418         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 419                                         stats->rx_packets, stats->rx_bytes);
 420         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 421                                         stats->tx_packets, stats->tx_bytes);
 422
 423         if (ipdevice->config == NULL)
 424                 return;
 425
 426         ipdevice->rx_packets = stats->rx_packets;
 427         ipdevice->tx_packets = stats->tx_packets;
 428         ipdevice->rx_bytes = stats->rx_bytes;
 429         ipdevice->tx_bytes = stats->tx_bytes;
 430         ipdevice->rx_errors = stats->rx_errors;
 431         ipdevice->tx_errors = stats->tx_errors;
 432         ipdevice->rx_dropped = stats->rx_dropped;
 433         ipdevice->tx_dropped = stats->tx_dropped;
 434
 435         __connman_counter_notify(ipdevice->config,
 436                                 ipdevice->rx_packets, ipdevice->tx_packets,
 437                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 438                                 ipdevice->rx_errors, ipdevice->tx_errors,
 439                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 440 }
 441
 442 void __connman_ipconfig_newlink(int index, unsigned short type,
 443                                 unsigned int flags, const char *address,
 444                                                         unsigned short mtu,
 445                                                 struct rtnl_link_stats *stats)
 446 {
 447         struct connman_ipdevice *ipdevice;
 448         GList *list;
 449         GString *str;
 450         gboolean up = FALSE, down = FALSE;
 451         gboolean lower_up = FALSE, lower_down = FALSE;
 452
 453         DBG("index %d", index);
 454
 455         if (type == ARPHRD_LOOPBACK)
 456                 return;
 457
 458         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 459         if (ipdevice != NULL)
 460                 goto update;
 461
 462         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 463         if (ipdevice == NULL)
 464                 return;
 465
 466         ipdevice->index = index;
 467         ipdevice->ifname = connman_inet_ifname(index);
 468         ipdevice->type = type;
 469
 470         ipdevice->address = g_strdup(address);
 471
 472         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 473
 474         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 475                                                 index, type, type2str(type));
 476
 477 update:
 478         ipdevice->mtu = mtu;
 479
 480         update_stats(ipdevice, stats);
 481
 482         if (flags == ipdevice->flags)
 483                 return;
 484
 485         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 486                 if (flags & IFF_UP)
 487                         up = TRUE;
 488                 else
 489                         down = TRUE;
 490         }
 491
 492         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 493                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 494                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 495                                         (IFF_RUNNING | IFF_LOWER_UP))
 496                         lower_up = TRUE;
 497                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 498                         lower_down = TRUE;
 499         }
 500
 501         ipdevice->flags = flags;
 502
 503         str = g_string_new(NULL);
 504         if (str == NULL)
 505                 return;
 506
 507         if (flags & IFF_UP)
 508                 g_string_append(str, "UP");
 509         else
 510                 g_string_append(str, "DOWN");
 511
 512         if (flags & IFF_RUNNING)
 513                 g_string_append(str, ",RUNNING");
 514
 515         if (flags & IFF_LOWER_UP)
 516                 g_string_append(str, ",LOWER_UP");
 517
 518         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 519                                                         flags, str->str);
 520
 521         g_string_free(str, TRUE);
 522
 523         for (list = g_list_first(ipconfig_list); list;
 524                                                 list = g_list_next(list)) {
 525                 struct connman_ipconfig *ipconfig = list->data;
 526
 527                 if (index != ipconfig->index)
 528                         continue;
 529
 530                 if (ipconfig->ops == NULL)
 531                         continue;
 532
 533                 if (up == TRUE && ipconfig->ops->up)
 534                         ipconfig->ops->up(ipconfig);
 535                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 536                         ipconfig->ops->lower_up(ipconfig);
 537
 538                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 539                         ipconfig->ops->lower_down(ipconfig);
 540                 if (down == TRUE && ipconfig->ops->down)
 541                         ipconfig->ops->down(ipconfig);
 542         }
 543
 544         if (lower_up)
 545                 __connman_ipconfig_lower_up(ipdevice);
 546         if (lower_down)
 547                 __connman_ipconfig_lower_down(ipdevice);
 548 }
 549
 550 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 551 {
 552         struct connman_ipdevice *ipdevice;
 553         GList *list;
 554
 555         DBG("index %d", index);
 556
 557         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 558         if (ipdevice == NULL)
 559                 return;
 560
 561         update_stats(ipdevice, stats);
 562
 563         for (list = g_list_first(ipconfig_list); list;
 564                                                 list = g_list_next(list)) {
 565                 struct connman_ipconfig *ipconfig = list->data;
 566
 567                 if (index != ipconfig->index)
 568                         continue;
 569
 570                 ipconfig->index = -1;
 571
 572                 if (ipconfig->ops == NULL)
 573                         continue;
 574
 575                 if (ipconfig->ops->lower_down)
 576                         ipconfig->ops->lower_down(ipconfig);
 577                 if (ipconfig->ops->down)
 578                         ipconfig->ops->down(ipconfig);
 579         }
 580
 581         __connman_ipconfig_lower_down(ipdevice);
 582
 583         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 584 }
 585
 586 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 587                                 unsigned char prefixlen, const char *address)
 588 {
 589         struct connman_ipdevice *ipdevice;
 590         struct connman_ipaddress *ipaddress;
 591         GList *list;
 592
 593         DBG("index %d", index);
 594
 595         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 596         if (ipdevice == NULL)
 597                 return;
 598
 599         ipaddress = connman_ipaddress_alloc();
 600         if (ipaddress == NULL)
 601                 return;
 602
 603         ipaddress->prefixlen = prefixlen;
 604         ipaddress->local = g_strdup(address);
 605
 606         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 607                                                                 ipaddress);
 608
 609         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 610                                                 address, prefixlen, label);
 611
 612         if (ipdevice->config != NULL) {
 613                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 614                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 615                                                         ipaddress);
 616                 else
 617                         connman_ipaddress_copy(ipdevice->config->system,
 618                                                         ipaddress);
 619         }
 620
 621         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 622                 return;
 623
 624         if (g_slist_length(ipdevice->address_list) > 1)
 625                 return;
 626
 627         for (list = g_list_first(ipconfig_list); list;
 628                                                 list = g_list_next(list)) {
 629                 struct connman_ipconfig *ipconfig = list->data;
 630
 631                 if (index != ipconfig->index)
 632                         continue;
 633
 634                 if (ipconfig->ops == NULL)
 635                         continue;
 636
 637                 if (ipconfig->ops->ip_bound)
 638                         ipconfig->ops->ip_bound(ipconfig);
 639         }
 640 }
 641
 642 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 643                                 unsigned char prefixlen, const char *address)
 644 {
 645         struct connman_ipdevice *ipdevice;
 646         struct connman_ipaddress *ipaddress;
 647         GList *list;
 648
 649         DBG("index %d", index);
 650
 651         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 652         if (ipdevice == NULL)
 653                 return;
 654
 655         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 656         if (ipaddress == NULL)
 657                 return;
 658
 659         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 660                                                                 ipaddress);
 661
 662         connman_ipaddress_free(ipaddress);
 663
 664         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 665                                                 address, prefixlen, label);
 666
 667         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 668                 return;
 669
 670         if (g_slist_length(ipdevice->address_list) > 0)
 671                 return;
 672
 673         for (list = g_list_first(ipconfig_list); list;
 674                                                 list = g_list_next(list)) {
 675                 struct connman_ipconfig *ipconfig = list->data;
 676
 677                 if (index != ipconfig->index)
 678                         continue;
 679
 680                 if (ipconfig->ops == NULL)
 681                         continue;
 682
 683                 if (ipconfig->ops->ip_release)
 684                         ipconfig->ops->ip_release(ipconfig);
 685         }
 686 }
 687
 688 void __connman_ipconfig_newroute(int index, unsigned char scope,
 689                                         const char *dst, const char *gateway)
 690 {
 691         struct connman_ipdevice *ipdevice;
 692
 693         DBG("index %d", index);
 694
 695         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 696         if (ipdevice == NULL)
 697                 return;
 698
 699         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 700                 GSList *list;
 701
 702                 g_free(ipdevice->gateway);
 703                 ipdevice->gateway = g_strdup(gateway);
 704
 705                 if (ipdevice->config != NULL &&
 706                                         ipdevice->config->system != NULL) {
 707                         g_free(ipdevice->config->system->gateway);
 708                         ipdevice->config->system->gateway = g_strdup(gateway);
 709                 }
 710
 711                 for (list = ipdevice->address_list; list; list = list->next) {
 712                         struct connman_ipaddress *ipaddress = list->data;
 713
 714                         g_free(ipaddress->gateway);
 715                         ipaddress->gateway = g_strdup(gateway);
 716                 }
 717         }
 718
 719         connman_info("%s {add} route %s gw %s scope %u <%s>",
 720                                         ipdevice->ifname, dst, gateway,
 721                                                 scope, scope2str(scope));
 722 }
 723
 724 void __connman_ipconfig_delroute(int index, unsigned char scope,
 725                                         const char *dst, const char *gateway)
 726 {
 727         struct connman_ipdevice *ipdevice;
 728
 729         DBG("index %d", index);
 730
 731         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 732         if (ipdevice == NULL)
 733                 return;
 734
 735         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 736                 GSList *list;
 737
 738                 g_free(ipdevice->gateway);
 739                 ipdevice->gateway = NULL;
 740
 741                 if (ipdevice->config != NULL &&
 742                                         ipdevice->config->system != NULL) {
 743                         g_free(ipdevice->config->system->gateway);
 744                         ipdevice->config->system->gateway = NULL;
 745                 }
 746
 747                 for (list = ipdevice->address_list; list; list = list->next) {
 748                         struct connman_ipaddress *ipaddress = list->data;
 749
 750                         g_free(ipaddress->gateway);
 751                         ipaddress->gateway = NULL;
 752                 }
 753         }
 754
 755         connman_info("%s {del} route %s gw %s scope %u <%s>",
 756                                         ipdevice->ifname, dst, gateway,
 757                                                 scope, scope2str(scope));
 758 }
 759
 760 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 761                                                         void *user_data)
 762 {
 763         GList *list, *keys;
 764
 765         keys = g_hash_table_get_keys(ipdevice_hash);
 766         if (keys == NULL)
 767                 return;
 768
 769         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 770                 int index = GPOINTER_TO_INT(list->data);
 771
 772                 function(index, user_data);
 773         }
 774
 775         g_list_free(keys);
 776 }
 777
 778 unsigned short __connman_ipconfig_get_type(int index)
 779 {
 780         struct connman_ipdevice *ipdevice;
 781
 782         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 783         if (ipdevice == NULL)
 784                 return ARPHRD_VOID;
 785
 786         return ipdevice->type;
 787 }
 788
 789 unsigned int __connman_ipconfig_get_flags(int index)
 790 {
 791         struct connman_ipdevice *ipdevice;
 792
 793         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 794         if (ipdevice == NULL)
 795                 return 0;
 796
 797         return ipdevice->flags;
 798 }
 799
 800 const char *__connman_ipconfig_get_gateway(int index)
 801 {
 802         struct connman_ipdevice *ipdevice;
 803
 804         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 805         if (ipdevice == NULL)
 806                 return NULL;
 807
 808         if (ipdevice->gateway != NULL)
 809                 return ipdevice->gateway;
 810
 811         if (ipdevice->config != NULL &&
 812                         ipdevice->config->address != NULL)
 813                 return ipdevice->config->address->gateway;
 814
 815         return NULL;
 816 }
 817
 818 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 819 {
 820         ipconfig->index = index;
 821
 822         if (ipconfig->ipv6 != NULL)
 823                 ipconfig->ipv6->index = index;
 824 }
 825
 826 static struct connman_ipconfig *create_ipv6config(int index)
 827 {
 828         struct connman_ipconfig *ipv6config;
 829
 830         DBG("index %d", index);
 831
 832         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 833         if (ipv6config == NULL)
 834                 return NULL;
 835
 836         ipv6config->index = index;
 837         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 838
 839         ipv6config->address = connman_ipaddress_alloc();
 840         if (ipv6config->address == NULL) {
 841                 g_free(ipv6config);
 842                 return NULL;
 843         }
 844
 845         ipv6config->system = connman_ipaddress_alloc();
 846
 847         ipv6config->ipv6 = NULL;
 848
 849         DBG("ipconfig %p", ipv6config);
 850
 851         return ipv6config;
 852 }
 853
 854 /**
 855  * connman_ipconfig_create:
 856  *
 857  * Allocate a new ipconfig structure.
 858  *
 859  * Returns: a newly-allocated #connman_ipconfig structure
 860  */
 861 struct connman_ipconfig *connman_ipconfig_create(int index)
 862 {
 863         struct connman_ipconfig *ipconfig;
 864
 865         DBG("index %d", index);
 866
 867         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 868         if (ipconfig == NULL)
 869                 return NULL;
 870
 871         ipconfig->refcount = 1;
 872
 873         ipconfig->index = index;
 874         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 875
 876         ipconfig->address = connman_ipaddress_alloc();
 877         if (ipconfig->address == NULL) {
 878                 g_free(ipconfig);
 879                 return NULL;
 880         }
 881
 882         ipconfig->system = connman_ipaddress_alloc();
 883
 884         ipconfig->ipv6 = create_ipv6config(index);
 885
 886         DBG("ipconfig %p", ipconfig);
 887
 888         return ipconfig;
 889 }
 890
 891 /**
 892  * connman_ipconfig_clone:
 893  *
 894  * Clone an ipconfig structure and create new reference.
 895  *
 896  * Returns: a newly-allocated #connman_ipconfig structure
 897  */
 898 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 899 {
 900         struct connman_ipconfig *ipconfig_clone;
 901
 902         DBG("ipconfig %p", ipconfig);
 903
 904         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 905         if (ipconfig_clone == NULL)
 906                 return NULL;
 907
 908         ipconfig_clone->refcount = 1;
 909
 910         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 911
 912         ipconfig_clone->index = -1;
 913
 914         return ipconfig_clone;
 915 }
 916
 917 /**
 918  * connman_ipconfig_ref:
 919  * @ipconfig: ipconfig structure
 920  *
 921  * Increase reference counter of ipconfig
 922  */
 923 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 924 {
 925         g_atomic_int_inc(&ipconfig->refcount);
 926
 927         return ipconfig;
 928 }
 929
 930 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
 931 {
 932         if (ipconfig == NULL)
 933                 return;
 934
 935         connman_ipconfig_set_ops(ipconfig, NULL);
 936         connman_ipaddress_free(ipconfig->system);
 937         connman_ipaddress_free(ipconfig->address);
 938         g_free(ipconfig->ipv6);
 939 }
 940
 941 /**
 942  * connman_ipconfig_unref:
 943  * @ipconfig: ipconfig structure
 944  *
 945  * Decrease reference counter of ipconfig
 946  */
 947 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 948 {
 949         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
 950                 __connman_ipconfig_disable(ipconfig);
 951
 952                 connman_ipconfig_set_ops(ipconfig, NULL);
 953
 954                 if (ipconfig->origin != NULL) {
 955                         connman_ipconfig_unref(ipconfig->origin);
 956                         ipconfig->origin = NULL;
 957                 }
 958
 959                 connman_ipaddress_free(ipconfig->system);
 960                 connman_ipaddress_free(ipconfig->address);
 961                 free_ipv6config(ipconfig->ipv6);
 962                 g_free(ipconfig);
 963         }
 964 }
 965
 966 /**
 967  * connman_ipconfig_get_data:
 968  * @ipconfig: ipconfig structure
 969  *
 970  * Get private data pointer
 971  */
 972 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
 973 {
 974         return ipconfig->ops_data;
 975 }
 976
 977 /**
 978  * connman_ipconfig_set_data:
 979  * @ipconfig: ipconfig structure
 980  * @data: data pointer
 981  *
 982  * Set private data pointer
 983  */
 984 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
 985 {
 986         ipconfig->ops_data = data;
 987 }
 988
 989 /**
 990  * connman_ipconfig_get_index:
 991  * @ipconfig: ipconfig structure
 992  *
 993  * Get interface index
 994  */
 995 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
 996 {
 997         if (ipconfig == NULL)
 998                 return -1;
 999
1000         if (ipconfig->origin != NULL)
1001                 return ipconfig->origin->index;
1002
1003         return ipconfig->index;
1004 }
1005
1006 /**
1007  * connman_ipconfig_get_ifname:
1008  * @ipconfig: ipconfig structure
1009  *
1010  * Get interface name
1011  */
1012 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1013 {
1014         struct connman_ipdevice *ipdevice;
1015
1016         if (ipconfig == NULL)
1017                 return NULL;
1018
1019         if (ipconfig->index < 0)
1020                 return NULL;
1021
1022         ipdevice = g_hash_table_lookup(ipdevice_hash,
1023                                         GINT_TO_POINTER(ipconfig->index));
1024         if (ipdevice == NULL)
1025                 return NULL;
1026
1027         return ipdevice->ifname;
1028 }
1029
1030 /**
1031  * connman_ipconfig_set_ops:
1032  * @ipconfig: ipconfig structure
1033  * @ops: operation callbacks
1034  *
1035  * Set the operation callbacks
1036  */
1037 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1038                                 const struct connman_ipconfig_ops *ops)
1039 {
1040         ipconfig->ops = ops;
1041 }
1042
1043 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1044                                 struct connman_ipconfig *ipconfig)
1045 {
1046         if (ipconfig == NULL)
1047                 return NULL;
1048
1049         return ipconfig->ipv6;
1050 }
1051
1052 /**
1053  * connman_ipconfig_set_method:
1054  * @ipconfig: ipconfig structure
1055  * @method: configuration method
1056  *
1057  * Set the configuration method
1058  */
1059 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1060                                         enum connman_ipconfig_method method)
1061 {
1062         ipconfig->method = method;
1063
1064         return 0;
1065 }
1066
1067 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1068 {
1069         if (ipconfig == NULL)
1070                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1071
1072         return ipconfig->method;
1073 }
1074
1075 /**
1076  * connman_ipconfig_bind:
1077  * @ipconfig: ipconfig structure
1078  * @ipaddress: ipaddress structure
1079  *
1080  * Bind IP address details to configuration
1081  */
1082 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1083                                         struct connman_ipaddress *ipaddress)
1084 {
1085         struct connman_ipconfig *origin;
1086
1087         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1088
1089         connman_ipaddress_copy(origin->address, ipaddress);
1090
1091         connman_inet_set_address(origin->index, origin->address);
1092 }
1093
1094 void __connman_ipconfig_set_element_ipv6_gateway(
1095                         struct connman_ipconfig *ipconfig,
1096                                 struct connman_element *element)
1097 {
1098         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1099 }
1100
1101 /*
1102  * FIXME: The element soulution should be removed in the future
1103  * Set IPv4 and IPv6 gateway
1104  */
1105 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1106                                                 struct connman_element *parent)
1107 {
1108         struct connman_element *connection;
1109
1110         connection = connman_element_create(NULL);
1111
1112         DBG("ipconfig %p", ipconfig);
1113
1114         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1115         connection->index = ipconfig->index;
1116         connection->ipv4.gateway = ipconfig->address->gateway;
1117         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1118
1119         if (connman_element_register(connection, parent) < 0)
1120                 connman_element_unref(connection);
1121
1122         return 0;
1123 }
1124
1125 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1126 {
1127         DBG("");
1128
1129         switch (ipconfig->method) {
1130         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1131         case CONNMAN_IPCONFIG_METHOD_OFF:
1132         case CONNMAN_IPCONFIG_METHOD_FIXED:
1133         case CONNMAN_IPCONFIG_METHOD_DHCP:
1134                 break;
1135         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1136                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1137                         return connman_inet_set_address(ipconfig->index,
1138                                                         ipconfig->address);
1139                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1140                         return connman_inet_set_ipv6_address(
1141                                         ipconfig->index, ipconfig->address);
1142         }
1143
1144         return 0;
1145 }
1146
1147 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1148 {
1149         DBG("");
1150
1151         if (ipconfig == NULL)
1152                 return 0;
1153
1154         DBG("method %d", ipconfig->method);
1155
1156         switch (ipconfig->method) {
1157         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1158         case CONNMAN_IPCONFIG_METHOD_OFF:
1159         case CONNMAN_IPCONFIG_METHOD_FIXED:
1160         case CONNMAN_IPCONFIG_METHOD_DHCP:
1161                 break;
1162         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1163                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1164                         return connman_inet_clear_address(ipconfig->index);
1165                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1166                         return connman_inet_clear_ipv6_address(
1167                                                 ipconfig->index,
1168                                                 ipconfig->address->local,
1169                                                 ipconfig->address->prefixlen);
1170         }
1171
1172         return 0;
1173 }
1174
1175 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1176 {
1177         struct connman_ipdevice *ipdevice;
1178         gboolean up = FALSE, down = FALSE;
1179         gboolean lower_up = FALSE, lower_down = FALSE;
1180
1181         DBG("ipconfig %p", ipconfig);
1182
1183         if (ipconfig == NULL || ipconfig->index < 0)
1184                 return -ENODEV;
1185
1186         ipdevice = g_hash_table_lookup(ipdevice_hash,
1187                                         GINT_TO_POINTER(ipconfig->index));
1188         if (ipdevice == NULL)
1189                 return -ENXIO;
1190
1191         if (ipdevice->config == ipconfig)
1192                 return -EALREADY;
1193
1194         if (ipdevice->config != NULL) {
1195                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1196
1197                 connman_ipaddress_clear(ipdevice->config->system);
1198
1199                 connman_ipconfig_unref(ipdevice->config);
1200         }
1201
1202         ipdevice->config = connman_ipconfig_ref(ipconfig);
1203
1204         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1205
1206         if (ipdevice->flags & IFF_UP)
1207                 up = TRUE;
1208         else
1209                 down = TRUE;
1210
1211         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1212                         (IFF_RUNNING | IFF_LOWER_UP))
1213                 lower_up = TRUE;
1214         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1215                 lower_down = TRUE;
1216
1217         if (up == TRUE && ipconfig->ops->up)
1218                 ipconfig->ops->up(ipconfig);
1219         if (lower_up == TRUE && ipconfig->ops->lower_up)
1220                 ipconfig->ops->lower_up(ipconfig);
1221
1222         if (lower_down == TRUE && ipconfig->ops->lower_down)
1223                 ipconfig->ops->lower_down(ipconfig);
1224         if (down == TRUE && ipconfig->ops->down)
1225                 ipconfig->ops->down(ipconfig);
1226
1227         return 0;
1228 }
1229
1230 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1231 {
1232         struct connman_ipdevice *ipdevice;
1233
1234         DBG("ipconfig %p", ipconfig);
1235
1236         if (ipconfig == NULL || ipconfig->index < 0)
1237                 return -ENODEV;
1238
1239         ipdevice = g_hash_table_lookup(ipdevice_hash,
1240                                         GINT_TO_POINTER(ipconfig->index));
1241         if (ipdevice == NULL)
1242                 return -ENXIO;
1243
1244         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1245                 return -EINVAL;
1246
1247         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1248
1249         connman_ipaddress_clear(ipdevice->config->system);
1250         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1251
1252         connman_ipconfig_unref(ipdevice->config);
1253         ipdevice->config = NULL;
1254
1255         return 0;
1256 }
1257
1258 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1259 {
1260         switch (method) {
1261         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1262                 break;
1263         case CONNMAN_IPCONFIG_METHOD_OFF:
1264                 return "off";
1265         case CONNMAN_IPCONFIG_METHOD_FIXED:
1266                 return "fixed";
1267         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1268                 return "manual";
1269         case CONNMAN_IPCONFIG_METHOD_DHCP:
1270                 return "dhcp";
1271         }
1272
1273         return NULL;
1274 }
1275
1276 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1277 {
1278         if (g_strcmp0(method, "off") == 0)
1279                 return CONNMAN_IPCONFIG_METHOD_OFF;
1280         else if (g_strcmp0(method, "fixed") == 0)
1281                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1282         else if (g_strcmp0(method, "manual") == 0)
1283                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1284         else if (g_strcmp0(method, "dhcp") == 0)
1285                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1286         else
1287                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1288 }
1289
1290 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1291                                                         DBusMessageIter *iter)
1292 {
1293         const char *str;
1294
1295         DBG("");
1296
1297         str = __connman_ipconfig_method2string(ipconfig->method);
1298         if (str == NULL)
1299                 return;
1300
1301         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1302
1303         if (ipconfig->system == NULL)
1304                 return;
1305
1306         if (ipconfig->system->local != NULL) {
1307                 in_addr_t addr;
1308                 struct in_addr netmask;
1309                 char *mask;
1310
1311                 connman_dbus_dict_append_basic(iter, "Address",
1312                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1313
1314                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1315                 netmask.s_addr = htonl(addr);
1316                 mask = inet_ntoa(netmask);
1317                 connman_dbus_dict_append_basic(iter, "Netmask",
1318                                                 DBUS_TYPE_STRING, &mask);
1319         }
1320
1321         if (ipconfig->system->gateway != NULL)
1322                 connman_dbus_dict_append_basic(iter, "Gateway",
1323                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1324 }
1325
1326 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1327                                                         DBusMessageIter *iter)
1328 {
1329         const char *str;
1330
1331         DBG("");
1332
1333         str = __connman_ipconfig_method2string(ipconfig->method);
1334         if (str == NULL)
1335                 return;
1336
1337         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1338
1339         if (ipconfig->system == NULL)
1340                 return;
1341
1342         if (ipconfig->system->local != NULL) {
1343                 connman_dbus_dict_append_basic(iter, "Address",
1344                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1345                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1346                                                 DBUS_TYPE_BYTE,
1347                                                 &ipconfig->system->prefixlen);
1348         }
1349
1350         if (ipconfig->system->gateway != NULL)
1351                 connman_dbus_dict_append_basic(iter, "Gateway",
1352                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1353 }
1354
1355 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1356                                                         DBusMessageIter *iter)
1357 {
1358         const char *str;
1359
1360         DBG("");
1361
1362         str = __connman_ipconfig_method2string(ipconfig->method);
1363         if (str == NULL)
1364                 return;
1365
1366         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1367
1368         switch (ipconfig->method) {
1369         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1370         case CONNMAN_IPCONFIG_METHOD_OFF:
1371         case CONNMAN_IPCONFIG_METHOD_DHCP:
1372                 return;
1373         case CONNMAN_IPCONFIG_METHOD_FIXED:
1374         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1375                 break;
1376         }
1377
1378         if (ipconfig->address == NULL)
1379                 return;
1380
1381         if (ipconfig->address->local != NULL) {
1382                 connman_dbus_dict_append_basic(iter, "Address",
1383                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1384                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1385                                                 DBUS_TYPE_BYTE,
1386                                                 &ipconfig->address->prefixlen);
1387         }
1388
1389         if (ipconfig->address->gateway != NULL)
1390                 connman_dbus_dict_append_basic(iter, "Gateway",
1391                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1392 }
1393
1394 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1395                                                         DBusMessageIter *iter)
1396 {
1397         const char *str;
1398
1399         DBG("");
1400
1401         str = __connman_ipconfig_method2string(ipconfig->method);
1402         if (str == NULL)
1403                 return;
1404
1405         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1406
1407         switch (ipconfig->method) {
1408         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1409         case CONNMAN_IPCONFIG_METHOD_OFF:
1410         case CONNMAN_IPCONFIG_METHOD_FIXED:
1411         case CONNMAN_IPCONFIG_METHOD_DHCP:
1412                 return;
1413         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1414                 break;
1415         }
1416
1417         if (ipconfig->address == NULL)
1418                 return;
1419
1420         if (ipconfig->address->local != NULL) {
1421                 in_addr_t addr;
1422                 struct in_addr netmask;
1423                 char *mask;
1424
1425                 connman_dbus_dict_append_basic(iter, "Address",
1426                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1427
1428                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1429                 netmask.s_addr = htonl(addr);
1430                 mask = inet_ntoa(netmask);
1431                 connman_dbus_dict_append_basic(iter, "Netmask",
1432                                                 DBUS_TYPE_STRING, &mask);
1433         }
1434
1435         if (ipconfig->address->gateway != NULL)
1436                 connman_dbus_dict_append_basic(iter, "Gateway",
1437                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1438 }
1439
1440 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1441                 enum connman_ipconfig_type type, DBusMessageIter *array)
1442 {
1443         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1444         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1445                         *prefix_length_string = NULL;
1446         int prefix_length = 0;
1447         DBusMessageIter dict;
1448
1449         DBG("ipconfig %p type %d", ipconfig, type);
1450
1451         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1452                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1453                 return -EINVAL;
1454
1455         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1456                 return -EINVAL;
1457
1458         dbus_message_iter_recurse(array, &dict);
1459
1460         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1461                 DBusMessageIter entry;
1462                 const char *key;
1463                 int type;
1464
1465                 dbus_message_iter_recurse(&dict, &entry);
1466
1467                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1468                         return -EINVAL;
1469
1470                 dbus_message_iter_get_basic(&entry, &key);
1471                 dbus_message_iter_next(&entry);
1472
1473                 type = dbus_message_iter_get_arg_type(&entry);
1474
1475                 if (g_str_equal(key, "Method") == TRUE) {
1476                         const char *str;
1477
1478                         if (type != DBUS_TYPE_STRING)
1479                                 return -EINVAL;
1480
1481                         dbus_message_iter_get_basic(&entry, &str);
1482                         method = __connman_ipconfig_string2method(str);
1483                 } else if (g_str_equal(key, "Address") == TRUE) {
1484                         if (type != DBUS_TYPE_STRING)
1485                                 return -EINVAL;
1486
1487                         dbus_message_iter_get_basic(&entry, &address);
1488                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1489                         if (type != DBUS_TYPE_STRING)
1490                                 return -EINVAL;
1491
1492                         dbus_message_iter_get_basic(&entry,
1493                                                         &prefix_length_string);
1494
1495                         prefix_length = atoi(prefix_length_string);
1496                         if (prefix_length < 0 || prefix_length > 128)
1497                                 return -EINVAL;
1498
1499                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1500                         if (type != DBUS_TYPE_STRING)
1501                                 return -EINVAL;
1502
1503                         dbus_message_iter_get_basic(&entry, &netmask);
1504                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1505                         if (type != DBUS_TYPE_STRING)
1506                                 return -EINVAL;
1507
1508                         dbus_message_iter_get_basic(&entry, &gateway);
1509                 }
1510                 dbus_message_iter_next(&dict);
1511         }
1512
1513         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1514                         method, address, netmask, gateway, prefix_length);
1515
1516         switch (method) {
1517         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1518         case CONNMAN_IPCONFIG_METHOD_OFF:
1519         case CONNMAN_IPCONFIG_METHOD_FIXED:
1520                 return -EINVAL;
1521
1522         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1523                 if (address == NULL)
1524                         return -EINVAL;
1525
1526                 ipconfig->method = method;
1527
1528                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1529                         connman_ipaddress_set_ipv4(ipconfig->address,
1530                                                 address, netmask, gateway);
1531                 else
1532                         return connman_ipaddress_set_ipv6(
1533                                         ipconfig->address, address,
1534                                                 gateway, prefix_length);
1535                 break;
1536
1537         case CONNMAN_IPCONFIG_METHOD_DHCP:
1538                 if (ipconfig->method == method)
1539                         return 0;
1540
1541                 ipconfig->method = method;
1542                 break;
1543         }
1544
1545         return 0;
1546 }
1547
1548 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1549                                                         DBusMessageIter *iter)
1550 {
1551         const char *method = "direct";
1552
1553         connman_dbus_dict_append_basic(iter, "Method",
1554                                                 DBUS_TYPE_STRING, &method);
1555 }
1556
1557 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1558                                                         DBusMessageIter *iter)
1559 {
1560         struct connman_ipdevice *ipdevice;
1561         const char *method = "auto";
1562
1563         connman_dbus_dict_append_basic(iter, "Method",
1564                                                 DBUS_TYPE_STRING, &method);
1565
1566         ipdevice = g_hash_table_lookup(ipdevice_hash,
1567                                         GINT_TO_POINTER(ipconfig->index));
1568         if (ipdevice == NULL)
1569                 return;
1570
1571         if (ipdevice->ifname != NULL)
1572                 connman_dbus_dict_append_basic(iter, "Interface",
1573                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1574
1575         if (ipdevice->address != NULL)
1576                 connman_dbus_dict_append_basic(iter, "Address",
1577                                         DBUS_TYPE_STRING, &ipdevice->address);
1578
1579         if (ipdevice->mtu > 0)
1580                 connman_dbus_dict_append_basic(iter, "MTU",
1581                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1582 }
1583
1584 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1585                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1586 {
1587         const char *method;
1588         char *key;
1589
1590         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1591
1592         key = g_strdup_printf("%smethod", prefix);
1593         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1594         if (method == NULL)
1595                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1596         else
1597                 ipconfig->method = __connman_ipconfig_string2method(method);
1598         g_free(key);
1599
1600         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1601         ipconfig->address->prefixlen = g_key_file_get_integer(
1602                                 keyfile, identifier, key, NULL);
1603         g_free(key);
1604
1605         key = g_strdup_printf("%slocal_address", prefix);
1606         ipconfig->address->local = g_key_file_get_string(
1607                         keyfile, identifier, key, NULL);
1608         g_free(key);
1609
1610         key = g_strdup_printf("%speer_address", prefix);
1611         ipconfig->address->peer = g_key_file_get_string(
1612                                 keyfile, identifier, key, NULL);
1613         g_free(key);
1614
1615         key = g_strdup_printf("%sbroadcast_address", prefix);
1616         ipconfig->address->broadcast = g_key_file_get_string(
1617                                 keyfile, identifier, key, NULL);
1618         g_free(key);
1619
1620         key = g_strdup_printf("%sgateway", prefix);
1621         ipconfig->address->gateway = g_key_file_get_string(
1622                                 keyfile, identifier, key, NULL);
1623         g_free(key);
1624
1625         return 0;
1626 }
1627
1628 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1629                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1630 {
1631         const char *method;
1632         char *key;
1633
1634         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1635
1636         method = __connman_ipconfig_method2string(ipconfig->method);
1637
1638         key = g_strdup_printf("%smethod", prefix);
1639         g_key_file_set_string(keyfile, identifier, key, method);
1640         g_free(key);
1641
1642         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1643         g_key_file_set_integer(keyfile, identifier,
1644                         key, ipconfig->address->prefixlen);
1645         g_free(key);
1646
1647         key = g_strdup_printf("%slocal_address", prefix);
1648         if (ipconfig->address->local != NULL)
1649                 g_key_file_set_string(keyfile, identifier,
1650                                 key, ipconfig->address->local);
1651         g_free(key);
1652
1653         key = g_strdup_printf("%speer_address", prefix);
1654         if (ipconfig->address->peer != NULL)
1655                 g_key_file_set_string(keyfile, identifier,
1656                                 key, ipconfig->address->peer);
1657         g_free(key);
1658
1659         key = g_strdup_printf("%sbroadcast_address", prefix);
1660         if (ipconfig->address->broadcast != NULL)
1661                 g_key_file_set_string(keyfile, identifier,
1662                         key, ipconfig->address->broadcast);
1663         g_free(key);
1664
1665         key = g_strdup_printf("%sgateway", prefix);
1666         if (ipconfig->address->gateway != NULL)
1667                 g_key_file_set_string(keyfile, identifier,
1668                         key, ipconfig->address->gateway);
1669         g_free(key);
1670
1671         return 0;
1672 }
1673
1674 int __connman_ipconfig_init(void)
1675 {
1676         DBG("");
1677
1678         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1679                                                         NULL, free_ipdevice);
1680
1681         return 0;
1682 }
1683
1684 void __connman_ipconfig_cleanup(void)
1685 {
1686         DBG("");
1687
1688         g_hash_table_destroy(ipdevice_hash);
1689         ipdevice_hash = NULL;
1690 }