src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <net/if.h>
  27 #include <net/if_arp.h>
  28 #include <linux/if_link.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31
  32 #ifndef IFF_LOWER_UP
  33 #define IFF_LOWER_UP    0x10000
  34 #endif
  35
  36 #include <gdbus.h>
  37
  38 #include "connman.h"
  39
  40 struct connman_ipconfig {
  41         gint refcount;
  42         int index;
  43         enum connman_ipconfig_type type;
  44
  45         struct connman_ipconfig *origin;
  46
  47         const struct connman_ipconfig_ops *ops;
  48         void *ops_data;
  49
  50         enum connman_ipconfig_method method;
  51         struct connman_ipaddress *address;
  52         struct connman_ipaddress *system;
  53 };
  54
  55 struct connman_ipdevice {
  56         int index;
  57         char *ifname;
  58         unsigned short type;
  59         unsigned int flags;
  60         char *address;
  61         uint16_t mtu;
  62         uint32_t rx_packets;
  63         uint32_t tx_packets;
  64         uint32_t rx_bytes;
  65         uint32_t tx_bytes;
  66         uint32_t rx_errors;
  67         uint32_t tx_errors;
  68         uint32_t rx_dropped;
  69         uint32_t tx_dropped;
  70
  71         GSList *address_list;
  72         char *ipv4_gateway;
  73         char *ipv6_gateway;
  74
  75         char *pac;
  76
  77         struct connman_ipconfig *config_ipv4;
  78         struct connman_ipconfig *config_ipv6;
  79
  80         struct connman_ipconfig_driver *driver_ipv4;
  81         struct connman_ipconfig *driver_config_ipv4;
  82
  83         struct connman_ipconfig_driver *driver_ipv6;
  84         struct connman_ipconfig *driver_config_ipv6;
  85 };
  86
  87 static GHashTable *ipdevice_hash = NULL;
  88 static GList *ipconfig_list = NULL;
  89
  90 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  91 {
  92         struct connman_ipaddress *ipaddress;
  93
  94         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  95         if (ipaddress == NULL)
  96                 return NULL;
  97
  98         ipaddress->family = family;
  99         ipaddress->prefixlen = 0;
 100         ipaddress->local = NULL;
 101         ipaddress->peer = NULL;
 102         ipaddress->broadcast = NULL;
 103         ipaddress->gateway = NULL;
 104
 105         return ipaddress;
 106 }
 107
 108 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 109 {
 110         if (ipaddress == NULL)
 111                 return;
 112
 113         g_free(ipaddress->broadcast);
 114         g_free(ipaddress->peer);
 115         g_free(ipaddress->local);
 116         g_free(ipaddress->gateway);
 117         g_free(ipaddress);
 118 }
 119
 120 unsigned char __connman_ipconfig_netmask_prefix_len(const char *netmask)
 121 {
 122         unsigned char bits;
 123         in_addr_t mask;
 124         in_addr_t host;
 125
 126         if (netmask == NULL)
 127                 return 32;
 128
 129         mask = inet_network(netmask);
 130         host = ~mask;
 131
 132         /* a valid netmask must be 2^n - 1 */
 133         if ((host & (host + 1)) != 0)
 134                 return -1;
 135
 136         bits = 0;
 137         for (; mask; mask <<= 1)
 138                 ++bits;
 139
 140         return bits;
 141 }
 142
 143 static gboolean check_ipv6_address(const char *address)
 144 {
 145         unsigned char buf[sizeof(struct in6_addr)];
 146         int err;
 147
 148         err = inet_pton(AF_INET6, address, buf);
 149         if (err > 0)
 150                 return TRUE;
 151
 152         return FALSE;
 153 }
 154
 155 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 156                                 const char *address, const char *gateway,
 157                                                 unsigned char prefix_length)
 158 {
 159         if (ipaddress == NULL)
 160                 return -EINVAL;
 161
 162         if (check_ipv6_address(address) == FALSE)
 163                 return -EINVAL;
 164
 165         if (check_ipv6_address(gateway) == FALSE)
 166                 return -EINVAL;
 167
 168         DBG("prefix_len %d address %s gateway %s",
 169                         prefix_length, address, gateway);
 170
 171         ipaddress->prefixlen = prefix_length;
 172
 173         g_free(ipaddress->local);
 174         ipaddress->local = g_strdup(address);
 175
 176         g_free(ipaddress->gateway);
 177         ipaddress->gateway = g_strdup(gateway);
 178
 179         return 0;
 180 }
 181
 182 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 183                 const char *address, const char *netmask, const char *gateway)
 184 {
 185         if (ipaddress == NULL)
 186                 return;
 187
 188         ipaddress->prefixlen = __connman_ipconfig_netmask_prefix_len(netmask);
 189
 190         g_free(ipaddress->local);
 191         ipaddress->local = g_strdup(address);
 192
 193         g_free(ipaddress->gateway);
 194         ipaddress->gateway = g_strdup(gateway);
 195 }
 196
 197 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 198 {
 199         if (ipaddress == NULL)
 200                 return;
 201
 202         ipaddress->prefixlen = 0;
 203
 204         g_free(ipaddress->local);
 205         ipaddress->local = NULL;
 206
 207         g_free(ipaddress->peer);
 208         ipaddress->peer = NULL;
 209
 210         g_free(ipaddress->broadcast);
 211         ipaddress->broadcast = NULL;
 212
 213         g_free(ipaddress->gateway);
 214         ipaddress->gateway = NULL;
 215 }
 216
 217 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 218                                         struct connman_ipaddress *source)
 219 {
 220         if (ipaddress == NULL || source == NULL)
 221                 return;
 222
 223         ipaddress->family = source->family;
 224         ipaddress->prefixlen = source->prefixlen;
 225
 226         g_free(ipaddress->local);
 227         ipaddress->local = g_strdup(source->local);
 228
 229         g_free(ipaddress->peer);
 230         ipaddress->peer = g_strdup(source->peer);
 231
 232         g_free(ipaddress->broadcast);
 233         ipaddress->broadcast = g_strdup(source->broadcast);
 234
 235         g_free(ipaddress->gateway);
 236         ipaddress->gateway = g_strdup(source->gateway);
 237 }
 238
 239 static void free_address_list(struct connman_ipdevice *ipdevice)
 240 {
 241         GSList *list;
 242
 243         for (list = ipdevice->address_list; list; list = list->next) {
 244                 struct connman_ipaddress *ipaddress = list->data;
 245
 246                 connman_ipaddress_free(ipaddress);
 247                 list->data = NULL;
 248         }
 249
 250         g_slist_free(ipdevice->address_list);
 251         ipdevice->address_list = NULL;
 252 }
 253
 254 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 255                                 unsigned char prefixlen, const char *local)
 256 {
 257         GSList *list;
 258
 259         for (list = ipdevice->address_list; list; list = list->next) {
 260                 struct connman_ipaddress *ipaddress = list->data;
 261
 262                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 263                                         ipaddress->prefixlen == prefixlen)
 264                         return ipaddress;
 265         }
 266
 267         return NULL;
 268 }
 269
 270 static const char *type2str(unsigned short type)
 271 {
 272         switch (type) {
 273         case ARPHRD_ETHER:
 274                 return "ETHER";
 275         case ARPHRD_LOOPBACK:
 276                 return "LOOPBACK";
 277         case ARPHRD_PPP:
 278                 return "PPP";
 279         case ARPHRD_NONE:
 280                 return "NONE";
 281         case ARPHRD_VOID:
 282                 return "VOID";
 283         }
 284
 285         return "";
 286 }
 287
 288 static const char *scope2str(unsigned char scope)
 289 {
 290         switch (scope) {
 291         case 0:
 292                 return "UNIVERSE";
 293         case 253:
 294                 return "LINK";
 295         }
 296
 297         return "";
 298 }
 299
 300 static void free_ipdevice(gpointer data)
 301 {
 302         struct connman_ipdevice *ipdevice = data;
 303
 304         connman_info("%s {remove} index %d", ipdevice->ifname,
 305                                                         ipdevice->index);
 306
 307         if (ipdevice->config_ipv4 != NULL) {
 308                 connman_ipconfig_unref(ipdevice->config_ipv4);
 309                 ipdevice->config_ipv4 = NULL;
 310         }
 311
 312         if (ipdevice->config_ipv6 != NULL) {
 313                 connman_ipconfig_unref(ipdevice->config_ipv6);
 314                 ipdevice->config_ipv6 = NULL;
 315         }
 316
 317         free_address_list(ipdevice);
 318         g_free(ipdevice->ipv4_gateway);
 319         g_free(ipdevice->ipv6_gateway);
 320         g_free(ipdevice->pac);
 321
 322         g_free(ipdevice->address);
 323         g_free(ipdevice->ifname);
 324         g_free(ipdevice);
 325 }
 326
 327 static GSList *driver_list = NULL;
 328
 329 static gint compare_priority(gconstpointer a, gconstpointer b)
 330 {
 331         const struct connman_ipconfig_driver *driver1 = a;
 332         const struct connman_ipconfig_driver *driver2 = b;
 333
 334         return driver2->priority - driver1->priority;
 335 }
 336
 337 /**
 338  * connman_ipconfig_driver_register:
 339  * @driver: IP configuration driver
 340  *
 341  * Register a new IP configuration driver
 342  *
 343  * Returns: %0 on success
 344  */
 345 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 346 {
 347         DBG("driver %p name %s", driver, driver->name);
 348
 349         driver_list = g_slist_insert_sorted(driver_list, driver,
 350                                                         compare_priority);
 351
 352         return 0;
 353 }
 354
 355 /**
 356  * connman_ipconfig_driver_unregister:
 357  * @driver: IP configuration driver
 358  *
 359  * Remove a previously registered IP configuration driver.
 360  */
 361 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 362 {
 363         DBG("driver %p name %s", driver, driver->name);
 364
 365         driver_list = g_slist_remove(driver_list, driver);
 366 }
 367
 368 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 369 {
 370         GSList *list;
 371         int is_dhcpv4 = 0, is_dhcpv6 = 0;
 372         int found = 0;
 373
 374         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 375                                         ipdevice->config_ipv6);
 376
 377         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 378                 return;
 379
 380         if (ipdevice->driver_ipv4 != NULL && ipdevice->driver_ipv6 != NULL)
 381                 return;
 382
 383         if (ipdevice->config_ipv4) {
 384                 switch (ipdevice->config_ipv4->method) {
 385                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 386                 case CONNMAN_IPCONFIG_METHOD_OFF:
 387                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 388                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 389                         break;
 390                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 391                         is_dhcpv4 = 1;
 392                         break;
 393                 }
 394         }
 395
 396         if (ipdevice->config_ipv6) {
 397                 switch (ipdevice->config_ipv6->method) {
 398                 case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 399                 case CONNMAN_IPCONFIG_METHOD_OFF:
 400                 case CONNMAN_IPCONFIG_METHOD_FIXED:
 401                 case CONNMAN_IPCONFIG_METHOD_MANUAL:
 402                         break;
 403                 case CONNMAN_IPCONFIG_METHOD_DHCP:
 404                         is_dhcpv6 = 1;
 405                         break;
 406                 }
 407         }
 408
 409         if (is_dhcpv4 && ipdevice->config_ipv4) {
 410                 ipdevice->driver_config_ipv4 = connman_ipconfig_clone(
 411                                                         ipdevice->config_ipv4);
 412                 if (ipdevice->driver_config_ipv4 == NULL)
 413                         return;
 414         }
 415
 416         if (is_dhcpv6 && ipdevice->config_ipv6) {
 417                 ipdevice->driver_config_ipv6 = connman_ipconfig_clone(
 418                                                         ipdevice->config_ipv6);
 419                 if (ipdevice->driver_config_ipv6 == NULL)
 420                         return;
 421         }
 422
 423         for (list = driver_list; list; list = list->next) {
 424                 struct connman_ipconfig_driver *driver = list->data;
 425
 426                 if (is_dhcpv4 && ipdevice->driver_ipv4 != NULL) {
 427                         if (!driver->request(ipdevice->driver_config_ipv4)) {
 428                                 ipdevice->driver_ipv4 = driver;
 429                                 found++;
 430                         }
 431                 }
 432
 433                 if (is_dhcpv6 && ipdevice->driver_ipv6 != NULL) {
 434                         if (!driver->request(ipdevice->driver_config_ipv6)) {
 435                                 ipdevice->driver_ipv6 = driver;
 436                                 found++;
 437                         }
 438                 }
 439
 440                 if (found > 1)
 441                         break;
 442         }
 443
 444         if (ipdevice->driver_ipv4 == NULL) {
 445                 connman_ipconfig_unref(ipdevice->driver_config_ipv4);
 446                 ipdevice->driver_config_ipv4 = NULL;
 447         }
 448
 449         if (ipdevice->driver_ipv6 == NULL) {
 450                 connman_ipconfig_unref(ipdevice->driver_config_ipv6);
 451                 ipdevice->driver_config_ipv6 = NULL;
 452         }
 453 }
 454
 455 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 456 {
 457         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 458                                         ipdevice->config_ipv6);
 459
 460         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 461                 return;
 462
 463         if (ipdevice->driver_ipv4 == NULL && ipdevice->driver_ipv6 == NULL)
 464                 return;
 465
 466         if (ipdevice->driver_ipv4) {
 467                 ipdevice->driver_ipv4->release(ipdevice->driver_config_ipv4);
 468                 ipdevice->driver_ipv4 = NULL;
 469         }
 470
 471         if (ipdevice->driver_ipv6) {
 472                 ipdevice->driver_ipv6->release(ipdevice->driver_config_ipv6);
 473                 ipdevice->driver_ipv6 = NULL;
 474         }
 475
 476         if (ipdevice->driver_config_ipv4) {
 477                 connman_ipconfig_unref(ipdevice->driver_config_ipv4);
 478                 ipdevice->driver_config_ipv4 = NULL;
 479         }
 480
 481         if (ipdevice->driver_config_ipv6) {
 482                 connman_ipconfig_unref(ipdevice->driver_config_ipv6);
 483                 ipdevice->driver_config_ipv6 = NULL;
 484         }
 485
 486         if (ipdevice->config_ipv4)
 487                 connman_inet_clear_address(ipdevice->index,
 488                                         ipdevice->config_ipv4->address);
 489
 490         if (ipdevice->config_ipv6)
 491                 connman_inet_clear_ipv6_address(ipdevice->index,
 492                                 ipdevice->config_ipv6->address->local,
 493                                 ipdevice->config_ipv6->address->prefixlen);
 494 }
 495
 496 static void update_stats(struct connman_ipdevice *ipdevice,
 497                                                 struct rtnl_link_stats *stats)
 498 {
 499         struct connman_service *service;
 500
 501         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 502                 return;
 503
 504         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 505                                         stats->rx_packets, stats->rx_bytes);
 506         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 507                                         stats->tx_packets, stats->tx_bytes);
 508
 509         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 510                 return;
 511
 512         if (ipdevice->config_ipv4)
 513                 service = connman_ipconfig_get_data(ipdevice->config_ipv4);
 514         else if (ipdevice->config_ipv6)
 515                 service = connman_ipconfig_get_data(ipdevice->config_ipv6);
 516         else
 517                 return;
 518
 519         if (service == NULL)
 520                 return;
 521
 522         ipdevice->rx_packets = stats->rx_packets;
 523         ipdevice->tx_packets = stats->tx_packets;
 524         ipdevice->rx_bytes = stats->rx_bytes;
 525         ipdevice->tx_bytes = stats->tx_bytes;
 526         ipdevice->rx_errors = stats->rx_errors;
 527         ipdevice->tx_errors = stats->tx_errors;
 528         ipdevice->rx_dropped = stats->rx_dropped;
 529         ipdevice->tx_dropped = stats->tx_dropped;
 530
 531         __connman_service_notify(service,
 532                                 ipdevice->rx_packets, ipdevice->tx_packets,
 533                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 534                                 ipdevice->rx_errors, ipdevice->tx_errors,
 535                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 536 }
 537
 538 void __connman_ipconfig_newlink(int index, unsigned short type,
 539                                 unsigned int flags, const char *address,
 540                                                         unsigned short mtu,
 541                                                 struct rtnl_link_stats *stats)
 542 {
 543         struct connman_ipdevice *ipdevice;
 544         GList *list;
 545         GString *str;
 546         gboolean up = FALSE, down = FALSE;
 547         gboolean lower_up = FALSE, lower_down = FALSE;
 548
 549         DBG("index %d", index);
 550
 551         if (type == ARPHRD_LOOPBACK)
 552                 return;
 553
 554         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 555         if (ipdevice != NULL)
 556                 goto update;
 557
 558         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 559         if (ipdevice == NULL)
 560                 return;
 561
 562         ipdevice->index = index;
 563         ipdevice->ifname = connman_inet_ifname(index);
 564         ipdevice->type = type;
 565
 566         ipdevice->address = g_strdup(address);
 567
 568         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 569
 570         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 571                                                 index, type, type2str(type));
 572
 573 update:
 574         ipdevice->mtu = mtu;
 575
 576         update_stats(ipdevice, stats);
 577
 578         if (flags == ipdevice->flags)
 579                 return;
 580
 581         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 582                 if (flags & IFF_UP)
 583                         up = TRUE;
 584                 else
 585                         down = TRUE;
 586         }
 587
 588         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 589                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 590                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 591                                         (IFF_RUNNING | IFF_LOWER_UP))
 592                         lower_up = TRUE;
 593                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 594                         lower_down = TRUE;
 595         }
 596
 597         ipdevice->flags = flags;
 598
 599         str = g_string_new(NULL);
 600         if (str == NULL)
 601                 return;
 602
 603         if (flags & IFF_UP)
 604                 g_string_append(str, "UP");
 605         else
 606                 g_string_append(str, "DOWN");
 607
 608         if (flags & IFF_RUNNING)
 609                 g_string_append(str, ",RUNNING");
 610
 611         if (flags & IFF_LOWER_UP)
 612                 g_string_append(str, ",LOWER_UP");
 613
 614         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 615                                                         flags, str->str);
 616
 617         g_string_free(str, TRUE);
 618
 619         for (list = g_list_first(ipconfig_list); list;
 620                                                 list = g_list_next(list)) {
 621                 struct connman_ipconfig *ipconfig = list->data;
 622
 623                 if (index != ipconfig->index)
 624                         continue;
 625
 626                 if (ipconfig->ops == NULL)
 627                         continue;
 628
 629                 if (up == TRUE && ipconfig->ops->up)
 630                         ipconfig->ops->up(ipconfig);
 631                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 632                         ipconfig->ops->lower_up(ipconfig);
 633
 634                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 635                         ipconfig->ops->lower_down(ipconfig);
 636                 if (down == TRUE && ipconfig->ops->down)
 637                         ipconfig->ops->down(ipconfig);
 638         }
 639
 640         if (lower_up)
 641                 __connman_ipconfig_lower_up(ipdevice);
 642         if (lower_down)
 643                 __connman_ipconfig_lower_down(ipdevice);
 644 }
 645
 646 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 647 {
 648         struct connman_ipdevice *ipdevice;
 649         GList *list;
 650
 651         DBG("index %d", index);
 652
 653         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 654         if (ipdevice == NULL)
 655                 return;
 656
 657         update_stats(ipdevice, stats);
 658
 659         for (list = g_list_first(ipconfig_list); list;
 660                                                 list = g_list_next(list)) {
 661                 struct connman_ipconfig *ipconfig = list->data;
 662
 663                 if (index != ipconfig->index)
 664                         continue;
 665
 666                 ipconfig->index = -1;
 667
 668                 if (ipconfig->ops == NULL)
 669                         continue;
 670
 671                 if (ipconfig->ops->lower_down)
 672                         ipconfig->ops->lower_down(ipconfig);
 673                 if (ipconfig->ops->down)
 674                         ipconfig->ops->down(ipconfig);
 675         }
 676
 677         __connman_ipconfig_lower_down(ipdevice);
 678
 679         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 680 }
 681
 682 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 683 {
 684         const struct connman_ipaddress *addr1 = a;
 685         const struct connman_ipaddress *addr2 = b;
 686
 687         if (addr1->prefixlen != addr2->prefixlen)
 688                 return addr2->prefixlen - addr1->prefixlen;
 689
 690         return g_strcmp0(addr1->local, addr2->local);
 691 }
 692
 693 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 694                                 unsigned char prefixlen, const char *address)
 695 {
 696         struct connman_ipdevice *ipdevice;
 697         struct connman_ipaddress *ipaddress;
 698         GList *list;
 699
 700         DBG("index %d", index);
 701
 702         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 703         if (ipdevice == NULL)
 704                 return;
 705
 706         ipaddress = connman_ipaddress_alloc(family);
 707         if (ipaddress == NULL)
 708                 return;
 709
 710         ipaddress->prefixlen = prefixlen;
 711         ipaddress->local = g_strdup(address);
 712
 713         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 714                                         check_duplicate_address)) {
 715                 connman_ipaddress_free(ipaddress);
 716                 return;
 717         }
 718
 719         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 720                                                                 ipaddress);
 721
 722         connman_info("%s {add} address %s/%u label %s family %d",
 723                 ipdevice->ifname, address, prefixlen, label, family);
 724
 725         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 726                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 727                                         ipaddress);
 728
 729         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 730                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 731                                         ipaddress);
 732         else
 733                 return;
 734
 735         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 736                 return;
 737
 738         for (list = g_list_first(ipconfig_list); list;
 739                                                 list = g_list_next(list)) {
 740                 struct connman_ipconfig *ipconfig = list->data;
 741
 742                 if (index != ipconfig->index)
 743                         continue;
 744
 745                 if (ipconfig->ops == NULL)
 746                         continue;
 747
 748                 if (ipconfig->ops->ip_bound)
 749                         ipconfig->ops->ip_bound(ipconfig);
 750         }
 751 }
 752
 753 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 754                                 unsigned char prefixlen, const char *address)
 755 {
 756         struct connman_ipdevice *ipdevice;
 757         struct connman_ipaddress *ipaddress;
 758         GList *list;
 759
 760         DBG("index %d", index);
 761
 762         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 763         if (ipdevice == NULL)
 764                 return;
 765
 766         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 767         if (ipaddress == NULL)
 768                 return;
 769
 770         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 771                                                                 ipaddress);
 772
 773         connman_ipaddress_free(ipaddress);
 774
 775         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 776                                                 address, prefixlen, label);
 777
 778         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 779                 return;
 780
 781         if (g_slist_length(ipdevice->address_list) > 0)
 782                 return;
 783
 784         for (list = g_list_first(ipconfig_list); list;
 785                                                 list = g_list_next(list)) {
 786                 struct connman_ipconfig *ipconfig = list->data;
 787
 788                 if (index != ipconfig->index)
 789                         continue;
 790
 791                 if (ipconfig->ops == NULL)
 792                         continue;
 793
 794                 if (ipconfig->ops->ip_release)
 795                         ipconfig->ops->ip_release(ipconfig);
 796         }
 797 }
 798
 799 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 800                                         const char *dst, const char *gateway)
 801 {
 802         struct connman_ipdevice *ipdevice;
 803
 804         DBG("index %d", index);
 805
 806         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 807         if (ipdevice == NULL)
 808                 return;
 809
 810         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 811                 GSList *list;
 812                 GList *config_list;
 813
 814                 if (family == AF_INET6) {
 815                         g_free(ipdevice->ipv6_gateway);
 816                         ipdevice->ipv6_gateway = g_strdup(gateway);
 817
 818                         if (ipdevice->config_ipv6 != NULL &&
 819                                 ipdevice->config_ipv6->system != NULL) {
 820                                 g_free(ipdevice->config_ipv6->system->gateway);
 821                                 ipdevice->config_ipv6->system->gateway =
 822                                         g_strdup(gateway);
 823                         }
 824                 } else {
 825                         g_free(ipdevice->ipv4_gateway);
 826                         ipdevice->ipv4_gateway = g_strdup(gateway);
 827
 828                         if (ipdevice->config_ipv4 != NULL &&
 829                                 ipdevice->config_ipv4->system != NULL) {
 830                                 g_free(ipdevice->config_ipv4->system->gateway);
 831                                 ipdevice->config_ipv4->system->gateway =
 832                                         g_strdup(gateway);
 833                         }
 834                 }
 835
 836                 for (list = ipdevice->address_list; list; list = list->next) {
 837                         struct connman_ipaddress *ipaddress = list->data;
 838
 839                         g_free(ipaddress->gateway);
 840                         ipaddress->gateway = g_strdup(gateway);
 841                 }
 842
 843                 for (config_list = g_list_first(ipconfig_list); config_list;
 844                                         config_list = g_list_next(config_list)) {
 845                         struct connman_ipconfig *ipconfig = config_list->data;
 846
 847                         if (index != ipconfig->index)
 848                                 continue;
 849
 850                         if (ipconfig->ops == NULL)
 851                                 continue;
 852
 853                         if (ipconfig->ops->ip_bound)
 854                                 ipconfig->ops->ip_bound(ipconfig);
 855                 }
 856         }
 857
 858         connman_info("%s {add} route %s gw %s scope %u <%s>",
 859                                         ipdevice->ifname, dst, gateway,
 860                                                 scope, scope2str(scope));
 861 }
 862
 863 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 864                                         const char *dst, const char *gateway)
 865 {
 866         struct connman_ipdevice *ipdevice;
 867
 868         DBG("index %d", index);
 869
 870         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 871         if (ipdevice == NULL)
 872                 return;
 873
 874         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 875                 GSList *list;
 876                 GList *config_list;
 877
 878                 if (family == AF_INET6) {
 879                         g_free(ipdevice->ipv6_gateway);
 880                         ipdevice->ipv6_gateway = NULL;
 881
 882                         if (ipdevice->config_ipv6 != NULL &&
 883                                 ipdevice->config_ipv6->system != NULL) {
 884                                 g_free(ipdevice->config_ipv6->system->gateway);
 885                                 ipdevice->config_ipv6->system->gateway = NULL;
 886                         }
 887                 } else {
 888                         g_free(ipdevice->ipv4_gateway);
 889                         ipdevice->ipv4_gateway = NULL;
 890
 891                         if (ipdevice->config_ipv4 != NULL &&
 892                                 ipdevice->config_ipv4->system != NULL) {
 893                                 g_free(ipdevice->config_ipv4->system->gateway);
 894                                 ipdevice->config_ipv4->system->gateway = NULL;
 895                         }
 896                 }
 897
 898                 for (list = ipdevice->address_list; list; list = list->next) {
 899                         struct connman_ipaddress *ipaddress = list->data;
 900
 901                         g_free(ipaddress->gateway);
 902                         ipaddress->gateway = NULL;
 903                 }
 904
 905                 for (config_list = g_list_first(ipconfig_list); config_list;
 906                                         config_list = g_list_next(config_list)) {
 907                         struct connman_ipconfig *ipconfig = config_list->data;
 908
 909                         if (index != ipconfig->index)
 910                                 continue;
 911
 912                         if (ipconfig->ops == NULL)
 913                                 continue;
 914
 915                         if (ipconfig->ops->ip_release)
 916                                 ipconfig->ops->ip_release(ipconfig);
 917                 }
 918         }
 919
 920         connman_info("%s {del} route %s gw %s scope %u <%s>",
 921                                         ipdevice->ifname, dst, gateway,
 922                                                 scope, scope2str(scope));
 923 }
 924
 925 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 926                                                         void *user_data)
 927 {
 928         GList *list, *keys;
 929
 930         keys = g_hash_table_get_keys(ipdevice_hash);
 931         if (keys == NULL)
 932                 return;
 933
 934         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 935                 int index = GPOINTER_TO_INT(list->data);
 936
 937                 function(index, user_data);
 938         }
 939
 940         g_list_free(keys);
 941 }
 942
 943 unsigned short __connman_ipconfig_get_type(int index)
 944 {
 945         struct connman_ipdevice *ipdevice;
 946
 947         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 948         if (ipdevice == NULL)
 949                 return ARPHRD_VOID;
 950
 951         return ipdevice->type;
 952 }
 953
 954 unsigned int __connman_ipconfig_get_flags(int index)
 955 {
 956         struct connman_ipdevice *ipdevice;
 957
 958         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 959         if (ipdevice == NULL)
 960                 return 0;
 961
 962         return ipdevice->flags;
 963 }
 964
 965 const char *__connman_ipconfig_get_gateway(int index)
 966 {
 967         struct connman_ipdevice *ipdevice;
 968
 969         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 970         if (ipdevice == NULL)
 971                 return NULL;
 972
 973         if (ipdevice->ipv4_gateway != NULL)
 974                 return ipdevice->ipv4_gateway;
 975
 976         if (ipdevice->config_ipv4 != NULL &&
 977                         ipdevice->config_ipv4->address != NULL)
 978                 return ipdevice->config_ipv4->address->gateway;
 979
 980         if (ipdevice->ipv6_gateway != NULL)
 981                 return ipdevice->ipv6_gateway;
 982
 983         if (ipdevice->config_ipv6 != NULL &&
 984                         ipdevice->config_ipv6->address != NULL)
 985                 return ipdevice->config_ipv6->address->gateway;
 986
 987         return NULL;
 988 }
 989
 990 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 991 {
 992         ipconfig->index = index;
 993 }
 994
 995 static struct connman_ipconfig *create_ipv6config(int index)
 996 {
 997         struct connman_ipconfig *ipv6config;
 998
 999         DBG("index %d", index);
1000
1001         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1002         if (ipv6config == NULL)
1003                 return NULL;
1004
1005         ipv6config->index = index;
1006         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1007         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
1008
1009         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1010         if (ipv6config->address == NULL) {
1011                 g_free(ipv6config);
1012                 return NULL;
1013         }
1014
1015         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1016
1017         DBG("ipconfig %p", ipv6config);
1018
1019         return ipv6config;
1020 }
1021
1022 /**
1023  * connman_ipconfig_create:
1024  *
1025  * Allocate a new ipconfig structure.
1026  *
1027  * Returns: a newly-allocated #connman_ipconfig structure
1028  */
1029 struct connman_ipconfig *connman_ipconfig_create(int index,
1030                                         enum connman_ipconfig_type type)
1031 {
1032         struct connman_ipconfig *ipconfig;
1033
1034         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1035                 return create_ipv6config(index);
1036
1037         DBG("index %d", index);
1038
1039         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1040         if (ipconfig == NULL)
1041                 return NULL;
1042
1043         ipconfig->refcount = 1;
1044
1045         ipconfig->index = index;
1046         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1047
1048         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1049         if (ipconfig->address == NULL) {
1050                 g_free(ipconfig);
1051                 return NULL;
1052         }
1053
1054         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1055
1056         DBG("ipconfig %p", ipconfig);
1057
1058         return ipconfig;
1059 }
1060
1061 /**
1062  * connman_ipconfig_clone:
1063  *
1064  * Clone an ipconfig structure and create new reference.
1065  *
1066  * Returns: a newly-allocated #connman_ipconfig structure
1067  */
1068 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
1069 {
1070         struct connman_ipconfig *ipconfig_clone;
1071
1072         DBG("ipconfig %p", ipconfig);
1073
1074         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
1075         if (ipconfig_clone == NULL)
1076                 return NULL;
1077
1078         ipconfig_clone->refcount = 1;
1079
1080         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
1081
1082         ipconfig_clone->index = -1;
1083
1084         return ipconfig_clone;
1085 }
1086
1087 /**
1088  * connman_ipconfig_ref:
1089  * @ipconfig: ipconfig structure
1090  *
1091  * Increase reference counter of ipconfig
1092  */
1093 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
1094 {
1095         g_atomic_int_inc(&ipconfig->refcount);
1096
1097         return ipconfig;
1098 }
1099
1100 /**
1101  * connman_ipconfig_unref:
1102  * @ipconfig: ipconfig structure
1103  *
1104  * Decrease reference counter of ipconfig
1105  */
1106 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
1107 {
1108         if (ipconfig &&
1109                 g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1110                 __connman_ipconfig_disable(ipconfig);
1111
1112                 connman_ipconfig_set_ops(ipconfig, NULL);
1113
1114                 if (ipconfig->origin != NULL) {
1115                         connman_ipconfig_unref(ipconfig->origin);
1116                         ipconfig->origin = NULL;
1117                 }
1118
1119                 connman_ipaddress_free(ipconfig->system);
1120                 connman_ipaddress_free(ipconfig->address);
1121                 g_free(ipconfig);
1122         }
1123 }
1124
1125 /**
1126  * connman_ipconfig_get_data:
1127  * @ipconfig: ipconfig structure
1128  *
1129  * Get private data pointer
1130  */
1131 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1132 {
1133         return ipconfig->ops_data;
1134 }
1135
1136 /**
1137  * connman_ipconfig_set_data:
1138  * @ipconfig: ipconfig structure
1139  * @data: data pointer
1140  *
1141  * Set private data pointer
1142  */
1143 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1144 {
1145         ipconfig->ops_data = data;
1146 }
1147
1148 /**
1149  * connman_ipconfig_get_index:
1150  * @ipconfig: ipconfig structure
1151  *
1152  * Get interface index
1153  */
1154 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1155 {
1156         if (ipconfig == NULL)
1157                 return -1;
1158
1159         if (ipconfig->origin != NULL)
1160                 return ipconfig->origin->index;
1161
1162         return ipconfig->index;
1163 }
1164
1165 /**
1166  * connman_ipconfig_get_ifname:
1167  * @ipconfig: ipconfig structure
1168  *
1169  * Get interface name
1170  */
1171 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1172 {
1173         struct connman_ipdevice *ipdevice;
1174
1175         if (ipconfig == NULL)
1176                 return NULL;
1177
1178         if (ipconfig->index < 0)
1179                 return NULL;
1180
1181         ipdevice = g_hash_table_lookup(ipdevice_hash,
1182                                         GINT_TO_POINTER(ipconfig->index));
1183         if (ipdevice == NULL)
1184                 return NULL;
1185
1186         return ipdevice->ifname;
1187 }
1188
1189 /**
1190  * connman_ipconfig_set_ops:
1191  * @ipconfig: ipconfig structure
1192  * @ops: operation callbacks
1193  *
1194  * Set the operation callbacks
1195  */
1196 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1197                                 const struct connman_ipconfig_ops *ops)
1198 {
1199         ipconfig->ops = ops;
1200 }
1201
1202 /**
1203  * connman_ipconfig_set_method:
1204  * @ipconfig: ipconfig structure
1205  * @method: configuration method
1206  *
1207  * Set the configuration method
1208  */
1209 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1210                                         enum connman_ipconfig_method method)
1211 {
1212         ipconfig->method = method;
1213
1214         return 0;
1215 }
1216
1217 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1218 {
1219         if (ipconfig == NULL)
1220                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1221
1222         return ipconfig->method;
1223 }
1224
1225 /**
1226  * connman_ipconfig_bind:
1227  * @ipconfig: ipconfig structure
1228  * @ipaddress: ipaddress structure
1229  *
1230  * Bind IP address details to configuration
1231  */
1232 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1233                                         struct connman_ipaddress *ipaddress)
1234 {
1235         struct connman_ipconfig *origin;
1236
1237         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1238
1239         connman_ipaddress_copy(origin->address, ipaddress);
1240
1241         connman_inet_set_address(origin->index, origin->address);
1242 }
1243
1244 void __connman_ipconfig_set_element_ipv6_gateway(
1245                         struct connman_ipconfig *ipconfig,
1246                                 struct connman_element *element)
1247 {
1248         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1249                 element->ipv6.gateway = ipconfig->address->gateway;
1250 }
1251
1252 /*
1253  * FIXME: The element soulution should be removed in the future
1254  * Set IPv4 and IPv6 gateway
1255  */
1256 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1257                                                 struct connman_element *parent)
1258 {
1259         struct connman_element *connection;
1260
1261         connection = connman_element_create(NULL);
1262
1263         DBG("ipconfig %p", ipconfig);
1264
1265         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1266         connection->index = ipconfig->index;
1267
1268         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1269                 connection->ipv4.gateway = ipconfig->address->gateway;
1270         else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1271                 connection->ipv6.gateway = ipconfig->address->gateway;
1272
1273         if (connman_element_register(connection, parent) < 0)
1274                 connman_element_unref(connection);
1275
1276         return 0;
1277 }
1278
1279 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1280 {
1281         DBG("");
1282
1283         switch (ipconfig->method) {
1284         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1285         case CONNMAN_IPCONFIG_METHOD_OFF:
1286         case CONNMAN_IPCONFIG_METHOD_FIXED:
1287         case CONNMAN_IPCONFIG_METHOD_DHCP:
1288                 break;
1289         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1290                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1291                         return connman_inet_set_address(ipconfig->index,
1292                                                         ipconfig->address);
1293                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1294                         return connman_inet_set_ipv6_address(
1295                                         ipconfig->index, ipconfig->address);
1296         }
1297
1298         return 0;
1299 }
1300
1301 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1302 {
1303         DBG("");
1304
1305         if (ipconfig == NULL)
1306                 return 0;
1307
1308         DBG("method %d", ipconfig->method);
1309
1310         switch (ipconfig->method) {
1311         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1312         case CONNMAN_IPCONFIG_METHOD_OFF:
1313         case CONNMAN_IPCONFIG_METHOD_FIXED:
1314         case CONNMAN_IPCONFIG_METHOD_DHCP:
1315                 break;
1316         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1317                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1318                         return connman_inet_clear_address(ipconfig->index,
1319                                                         ipconfig->address);
1320                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1321                         return connman_inet_clear_ipv6_address(
1322                                                 ipconfig->index,
1323                                                 ipconfig->address->local,
1324                                                 ipconfig->address->prefixlen);
1325         }
1326
1327         return 0;
1328 }
1329
1330 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1331                                                         const char *url)
1332 {
1333         struct connman_ipdevice *ipdevice;
1334
1335         DBG("ipconfig %p", ipconfig);
1336
1337         if (ipconfig == NULL || ipconfig->index < 0)
1338                 return -ENODEV;
1339
1340         ipdevice = g_hash_table_lookup(ipdevice_hash,
1341                                         GINT_TO_POINTER(ipconfig->index));
1342         if (ipdevice == NULL)
1343                 return -ENXIO;
1344
1345         g_free(ipdevice->pac);
1346         ipdevice->pac = g_strdup(url);
1347
1348         return 0;
1349 }
1350
1351 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1352 {
1353         struct connman_ipdevice *ipdevice;
1354
1355         DBG("ipconfig %p", ipconfig);
1356
1357         if (ipconfig == NULL || ipconfig->index < 0)
1358                 return NULL;
1359
1360         ipdevice = g_hash_table_lookup(ipdevice_hash,
1361                                         GINT_TO_POINTER(ipconfig->index));
1362         if (ipdevice == NULL)
1363                 return NULL;
1364
1365         return ipdevice->pac;
1366 }
1367
1368 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1369 {
1370         struct connman_ipdevice *ipdevice;
1371         gboolean up = FALSE, down = FALSE;
1372         gboolean lower_up = FALSE, lower_down = FALSE;
1373         enum connman_ipconfig_type type;
1374
1375         DBG("ipconfig %p", ipconfig);
1376
1377         if (ipconfig == NULL || ipconfig->index < 0)
1378                 return -ENODEV;
1379
1380         ipdevice = g_hash_table_lookup(ipdevice_hash,
1381                                         GINT_TO_POINTER(ipconfig->index));
1382         if (ipdevice == NULL)
1383                 return -ENXIO;
1384
1385         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1386                 if (ipdevice->config_ipv4 == ipconfig)
1387                         return -EALREADY;
1388                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1389         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1390                 if (ipdevice->config_ipv6 == ipconfig)
1391                         return -EALREADY;
1392                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1393         } else
1394                 return -EINVAL;
1395
1396         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1397                                         ipdevice->config_ipv4 != NULL) {
1398                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1399
1400                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1401
1402                 connman_ipconfig_unref(ipdevice->config_ipv4);
1403         }
1404
1405         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1406                                         ipdevice->config_ipv6 != NULL) {
1407                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1408
1409                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1410
1411                 connman_ipconfig_unref(ipdevice->config_ipv6);
1412         }
1413
1414         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1415                 ipdevice->config_ipv4 = connman_ipconfig_ref(ipconfig);
1416         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1417                 ipdevice->config_ipv6 = connman_ipconfig_ref(ipconfig);
1418
1419         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1420
1421         if (ipdevice->flags & IFF_UP)
1422                 up = TRUE;
1423         else
1424                 down = TRUE;
1425
1426         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1427                         (IFF_RUNNING | IFF_LOWER_UP))
1428                 lower_up = TRUE;
1429         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1430                 lower_down = TRUE;
1431
1432         if (up == TRUE && ipconfig->ops->up)
1433                 ipconfig->ops->up(ipconfig);
1434         if (lower_up == TRUE && ipconfig->ops->lower_up)
1435                 ipconfig->ops->lower_up(ipconfig);
1436
1437         if (lower_down == TRUE && ipconfig->ops->lower_down)
1438                 ipconfig->ops->lower_down(ipconfig);
1439         if (down == TRUE && ipconfig->ops->down)
1440                 ipconfig->ops->down(ipconfig);
1441
1442         return 0;
1443 }
1444
1445 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1446 {
1447         struct connman_ipdevice *ipdevice;
1448
1449         DBG("ipconfig %p", ipconfig);
1450
1451         if (ipconfig == NULL || ipconfig->index < 0)
1452                 return -ENODEV;
1453
1454         ipdevice = g_hash_table_lookup(ipdevice_hash,
1455                                         GINT_TO_POINTER(ipconfig->index));
1456         if (ipdevice == NULL)
1457                 return -ENXIO;
1458
1459         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1460                 return -EINVAL;
1461
1462         if (ipdevice->config_ipv4 == ipconfig) {
1463                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1464
1465                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1466                 connman_ipconfig_unref(ipdevice->config_ipv4);
1467                 ipdevice->config_ipv4 = NULL;
1468                 return 0;
1469         }
1470
1471         if (ipdevice->config_ipv6 == ipconfig) {
1472                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1473
1474                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1475                 connman_ipconfig_unref(ipdevice->config_ipv6);
1476                 ipdevice->config_ipv6 = NULL;
1477                 return 0;
1478         }
1479
1480         return -EINVAL;
1481 }
1482
1483 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1484 {
1485         switch (method) {
1486         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1487                 break;
1488         case CONNMAN_IPCONFIG_METHOD_OFF:
1489                 return "off";
1490         case CONNMAN_IPCONFIG_METHOD_FIXED:
1491                 return "fixed";
1492         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1493                 return "manual";
1494         case CONNMAN_IPCONFIG_METHOD_DHCP:
1495                 return "dhcp";
1496         }
1497
1498         return NULL;
1499 }
1500
1501 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1502 {
1503         if (g_strcmp0(method, "off") == 0)
1504                 return CONNMAN_IPCONFIG_METHOD_OFF;
1505         else if (g_strcmp0(method, "fixed") == 0)
1506                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1507         else if (g_strcmp0(method, "manual") == 0)
1508                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1509         else if (g_strcmp0(method, "dhcp") == 0)
1510                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1511         else
1512                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1513 }
1514
1515 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1516                                                         DBusMessageIter *iter)
1517 {
1518         const char *str;
1519
1520         DBG("");
1521
1522         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1523                 return;
1524
1525         str = __connman_ipconfig_method2string(ipconfig->method);
1526         if (str == NULL)
1527                 return;
1528
1529         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1530
1531         if (ipconfig->system == NULL)
1532                 return;
1533
1534         if (ipconfig->system->local != NULL) {
1535                 in_addr_t addr;
1536                 struct in_addr netmask;
1537                 char *mask;
1538
1539                 connman_dbus_dict_append_basic(iter, "Address",
1540                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1541
1542                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1543                 netmask.s_addr = htonl(addr);
1544                 mask = inet_ntoa(netmask);
1545                 connman_dbus_dict_append_basic(iter, "Netmask",
1546                                                 DBUS_TYPE_STRING, &mask);
1547         }
1548
1549         if (ipconfig->system->gateway != NULL)
1550                 connman_dbus_dict_append_basic(iter, "Gateway",
1551                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1552 }
1553
1554 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1555                                                         DBusMessageIter *iter)
1556 {
1557         const char *str;
1558
1559         DBG("");
1560
1561         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1562                 return;
1563
1564         str = __connman_ipconfig_method2string(ipconfig->method);
1565         if (str == NULL)
1566                 return;
1567
1568         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1569
1570         if (ipconfig->system == NULL)
1571                 return;
1572
1573         if (ipconfig->system->local != NULL) {
1574                 connman_dbus_dict_append_basic(iter, "Address",
1575                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1576                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1577                                                 DBUS_TYPE_BYTE,
1578                                                 &ipconfig->system->prefixlen);
1579         }
1580
1581         if (ipconfig->system->gateway != NULL)
1582                 connman_dbus_dict_append_basic(iter, "Gateway",
1583                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1584 }
1585
1586 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1587                                                         DBusMessageIter *iter)
1588 {
1589         const char *str;
1590
1591         DBG("");
1592
1593         str = __connman_ipconfig_method2string(ipconfig->method);
1594         if (str == NULL)
1595                 return;
1596
1597         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1598
1599         switch (ipconfig->method) {
1600         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1601         case CONNMAN_IPCONFIG_METHOD_OFF:
1602         case CONNMAN_IPCONFIG_METHOD_DHCP:
1603                 return;
1604         case CONNMAN_IPCONFIG_METHOD_FIXED:
1605         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1606                 break;
1607         }
1608
1609         if (ipconfig->address == NULL)
1610                 return;
1611
1612         if (ipconfig->address->local != NULL) {
1613                 connman_dbus_dict_append_basic(iter, "Address",
1614                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1615                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1616                                                 DBUS_TYPE_BYTE,
1617                                                 &ipconfig->address->prefixlen);
1618         }
1619
1620         if (ipconfig->address->gateway != NULL)
1621                 connman_dbus_dict_append_basic(iter, "Gateway",
1622                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1623 }
1624
1625 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1626                                                         DBusMessageIter *iter)
1627 {
1628         const char *str;
1629
1630         DBG("");
1631
1632         str = __connman_ipconfig_method2string(ipconfig->method);
1633         if (str == NULL)
1634                 return;
1635
1636         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1637
1638         switch (ipconfig->method) {
1639         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1640         case CONNMAN_IPCONFIG_METHOD_OFF:
1641         case CONNMAN_IPCONFIG_METHOD_FIXED:
1642         case CONNMAN_IPCONFIG_METHOD_DHCP:
1643                 return;
1644         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1645                 break;
1646         }
1647
1648         if (ipconfig->address == NULL)
1649                 return;
1650
1651         if (ipconfig->address->local != NULL) {
1652                 in_addr_t addr;
1653                 struct in_addr netmask;
1654                 char *mask;
1655
1656                 connman_dbus_dict_append_basic(iter, "Address",
1657                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1658
1659                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1660                 netmask.s_addr = htonl(addr);
1661                 mask = inet_ntoa(netmask);
1662                 connman_dbus_dict_append_basic(iter, "Netmask",
1663                                                 DBUS_TYPE_STRING, &mask);
1664         }
1665
1666         if (ipconfig->address->gateway != NULL)
1667                 connman_dbus_dict_append_basic(iter, "Gateway",
1668                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1669 }
1670
1671 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1672                 enum connman_ipconfig_type type, DBusMessageIter *array)
1673 {
1674         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1675         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1676                         *prefix_length_string = NULL;
1677         int prefix_length = 0;
1678         DBusMessageIter dict;
1679
1680         DBG("ipconfig %p type %d", ipconfig, type);
1681
1682         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1683                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1684                 return -EINVAL;
1685
1686         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1687                 return -EINVAL;
1688
1689         dbus_message_iter_recurse(array, &dict);
1690
1691         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1692                 DBusMessageIter entry;
1693                 const char *key;
1694                 int type;
1695
1696                 dbus_message_iter_recurse(&dict, &entry);
1697
1698                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1699                         return -EINVAL;
1700
1701                 dbus_message_iter_get_basic(&entry, &key);
1702                 dbus_message_iter_next(&entry);
1703
1704                 type = dbus_message_iter_get_arg_type(&entry);
1705
1706                 if (g_str_equal(key, "Method") == TRUE) {
1707                         const char *str;
1708
1709                         if (type != DBUS_TYPE_STRING)
1710                                 return -EINVAL;
1711
1712                         dbus_message_iter_get_basic(&entry, &str);
1713                         method = __connman_ipconfig_string2method(str);
1714                 } else if (g_str_equal(key, "Address") == TRUE) {
1715                         if (type != DBUS_TYPE_STRING)
1716                                 return -EINVAL;
1717
1718                         dbus_message_iter_get_basic(&entry, &address);
1719                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1720                         if (type != DBUS_TYPE_STRING)
1721                                 return -EINVAL;
1722
1723                         dbus_message_iter_get_basic(&entry,
1724                                                         &prefix_length_string);
1725
1726                         prefix_length = atoi(prefix_length_string);
1727                         if (prefix_length < 0 || prefix_length > 128)
1728                                 return -EINVAL;
1729
1730                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1731                         if (type != DBUS_TYPE_STRING)
1732                                 return -EINVAL;
1733
1734                         dbus_message_iter_get_basic(&entry, &netmask);
1735                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1736                         if (type != DBUS_TYPE_STRING)
1737                                 return -EINVAL;
1738
1739                         dbus_message_iter_get_basic(&entry, &gateway);
1740                 }
1741                 dbus_message_iter_next(&dict);
1742         }
1743
1744         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1745                         method, address, netmask, gateway, prefix_length);
1746
1747         switch (method) {
1748         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1749         case CONNMAN_IPCONFIG_METHOD_OFF:
1750         case CONNMAN_IPCONFIG_METHOD_FIXED:
1751                 return -EINVAL;
1752
1753         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1754                 if (address == NULL)
1755                         return -EINVAL;
1756
1757                 ipconfig->method = method;
1758
1759                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1760                         connman_ipaddress_set_ipv4(ipconfig->address,
1761                                                 address, netmask, gateway);
1762                 else
1763                         return connman_ipaddress_set_ipv6(
1764                                         ipconfig->address, address,
1765                                                 gateway, prefix_length);
1766                 break;
1767
1768         case CONNMAN_IPCONFIG_METHOD_DHCP:
1769                 if (ipconfig->method == method)
1770                         return 0;
1771
1772                 ipconfig->method = method;
1773                 break;
1774         }
1775
1776         return 0;
1777 }
1778
1779 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1780                                                         DBusMessageIter *iter)
1781 {
1782         struct connman_ipdevice *ipdevice;
1783         const char *method = "auto";
1784
1785         connman_dbus_dict_append_basic(iter, "Method",
1786                                                 DBUS_TYPE_STRING, &method);
1787
1788         ipdevice = g_hash_table_lookup(ipdevice_hash,
1789                                         GINT_TO_POINTER(ipconfig->index));
1790         if (ipdevice == NULL)
1791                 return;
1792
1793         if (ipdevice->ifname != NULL)
1794                 connman_dbus_dict_append_basic(iter, "Interface",
1795                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1796
1797         if (ipdevice->address != NULL)
1798                 connman_dbus_dict_append_basic(iter, "Address",
1799                                         DBUS_TYPE_STRING, &ipdevice->address);
1800
1801         if (ipdevice->mtu > 0)
1802                 connman_dbus_dict_append_basic(iter, "MTU",
1803                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1804 }
1805
1806 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1807                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1808 {
1809         const char *method;
1810         char *key;
1811
1812         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1813
1814         key = g_strdup_printf("%smethod", prefix);
1815         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1816         if (method == NULL) {
1817                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1818                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1819                 else
1820                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1821         } else
1822                 ipconfig->method = __connman_ipconfig_string2method(method);
1823         g_free(key);
1824
1825         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1826         ipconfig->address->prefixlen = g_key_file_get_integer(
1827                                 keyfile, identifier, key, NULL);
1828         g_free(key);
1829
1830         key = g_strdup_printf("%slocal_address", prefix);
1831         ipconfig->address->local = g_key_file_get_string(
1832                         keyfile, identifier, key, NULL);
1833         g_free(key);
1834
1835         key = g_strdup_printf("%speer_address", prefix);
1836         ipconfig->address->peer = g_key_file_get_string(
1837                                 keyfile, identifier, key, NULL);
1838         g_free(key);
1839
1840         key = g_strdup_printf("%sbroadcast_address", prefix);
1841         ipconfig->address->broadcast = g_key_file_get_string(
1842                                 keyfile, identifier, key, NULL);
1843         g_free(key);
1844
1845         key = g_strdup_printf("%sgateway", prefix);
1846         ipconfig->address->gateway = g_key_file_get_string(
1847                                 keyfile, identifier, key, NULL);
1848         g_free(key);
1849
1850         return 0;
1851 }
1852
1853 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1854                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1855 {
1856         const char *method;
1857         char *key;
1858
1859         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1860
1861         method = __connman_ipconfig_method2string(ipconfig->method);
1862
1863         key = g_strdup_printf("%smethod", prefix);
1864         g_key_file_set_string(keyfile, identifier, key, method);
1865         g_free(key);
1866
1867         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1868         g_key_file_set_integer(keyfile, identifier,
1869                         key, ipconfig->address->prefixlen);
1870         g_free(key);
1871
1872         key = g_strdup_printf("%slocal_address", prefix);
1873         if (ipconfig->address->local != NULL)
1874                 g_key_file_set_string(keyfile, identifier,
1875                                 key, ipconfig->address->local);
1876         g_free(key);
1877
1878         key = g_strdup_printf("%speer_address", prefix);
1879         if (ipconfig->address->peer != NULL)
1880                 g_key_file_set_string(keyfile, identifier,
1881                                 key, ipconfig->address->peer);
1882         g_free(key);
1883
1884         key = g_strdup_printf("%sbroadcast_address", prefix);
1885         if (ipconfig->address->broadcast != NULL)
1886                 g_key_file_set_string(keyfile, identifier,
1887                         key, ipconfig->address->broadcast);
1888         g_free(key);
1889
1890         key = g_strdup_printf("%sgateway", prefix);
1891         if (ipconfig->address->gateway != NULL)
1892                 g_key_file_set_string(keyfile, identifier,
1893                         key, ipconfig->address->gateway);
1894         g_free(key);
1895
1896         return 0;
1897 }
1898
1899 int __connman_ipconfig_init(void)
1900 {
1901         DBG("");
1902
1903         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1904                                                         NULL, free_ipdevice);
1905
1906         return 0;
1907 }
1908
1909 void __connman_ipconfig_cleanup(void)
1910 {
1911         DBG("");
1912
1913         g_hash_table_destroy(ipdevice_hash);
1914         ipdevice_hash = NULL;
1915 }