src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <net/if.h>
  27 #include <net/if_arp.h>
  28 #include <linux/if_link.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31
  32 #ifndef IFF_LOWER_UP
  33 #define IFF_LOWER_UP    0x10000
  34 #endif
  35
  36 #include <gdbus.h>
  37
  38 #include "connman.h"
  39
  40 struct connman_ipconfig {
  41         gint refcount;
  42         int index;
  43         enum connman_ipconfig_type type;
  44
  45         struct connman_ipconfig *origin;
  46
  47         const struct connman_ipconfig_ops *ops;
  48         void *ops_data;
  49
  50         enum connman_ipconfig_method method;
  51         struct connman_ipaddress *address;
  52         struct connman_ipaddress *system;
  53
  54         struct connman_ipconfig *ipv6;
  55 };
  56
  57 struct connman_ipdevice {
  58         int index;
  59         char *ifname;
  60         unsigned short type;
  61         unsigned int flags;
  62         char *address;
  63         uint16_t mtu;
  64         uint32_t rx_packets;
  65         uint32_t tx_packets;
  66         uint32_t rx_bytes;
  67         uint32_t tx_bytes;
  68         uint32_t rx_errors;
  69         uint32_t tx_errors;
  70         uint32_t rx_dropped;
  71         uint32_t tx_dropped;
  72
  73         GSList *address_list;
  74         char *ipv4_gateway;
  75         char *ipv6_gateway;
  76
  77         char *proxy;
  78         char *pac;
  79
  80         struct connman_ipconfig *config;
  81
  82         struct connman_ipconfig_driver *driver;
  83         struct connman_ipconfig *driver_config;
  84 };
  85
  86 static GHashTable *ipdevice_hash = NULL;
  87 static GList *ipconfig_list = NULL;
  88
  89 struct connman_ipaddress *connman_ipaddress_alloc(int family)
  90 {
  91         struct connman_ipaddress *ipaddress;
  92
  93         ipaddress = g_try_new0(struct connman_ipaddress, 1);
  94         if (ipaddress == NULL)
  95                 return NULL;
  96
  97         ipaddress->family = family;
  98         ipaddress->prefixlen = 0;
  99         ipaddress->local = NULL;
 100         ipaddress->peer = NULL;
 101         ipaddress->broadcast = NULL;
 102         ipaddress->gateway = NULL;
 103
 104         return ipaddress;
 105 }
 106
 107 void connman_ipaddress_free(struct connman_ipaddress *ipaddress)
 108 {
 109         if (ipaddress == NULL)
 110                 return;
 111
 112         g_free(ipaddress->broadcast);
 113         g_free(ipaddress->peer);
 114         g_free(ipaddress->local);
 115         g_free(ipaddress->gateway);
 116         g_free(ipaddress);
 117 }
 118
 119 static unsigned char netmask2prefixlen(const char *netmask)
 120 {
 121         unsigned char bits = 0;
 122         in_addr_t mask = inet_network(netmask);
 123         in_addr_t host = ~mask;
 124
 125         /* a valid netmask must be 2^n - 1 */
 126         if ((host & (host + 1)) != 0)
 127                 return -1;
 128
 129         for (; mask; mask <<= 1)
 130                 ++bits;
 131
 132         return bits;
 133 }
 134
 135 static gboolean check_ipv6_address(const char *address)
 136 {
 137         unsigned char buf[sizeof(struct in6_addr)];
 138         int err;
 139
 140         err = inet_pton(AF_INET6, address, buf);
 141         if (err > 0)
 142                 return TRUE;
 143
 144         return FALSE;
 145 }
 146
 147 int connman_ipaddress_set_ipv6(struct connman_ipaddress *ipaddress,
 148                                 const char *address, const char *gateway,
 149                                                 unsigned char prefix_length)
 150 {
 151         if (ipaddress == NULL)
 152                 return -EINVAL;
 153
 154         if (check_ipv6_address(address) == FALSE)
 155                 return -EINVAL;
 156
 157         if (check_ipv6_address(gateway) == FALSE)
 158                 return -EINVAL;
 159
 160         DBG("prefix_len %d address %s gateway %s",
 161                         prefix_length, address, gateway);
 162
 163         ipaddress->prefixlen = prefix_length;
 164
 165         g_free(ipaddress->local);
 166         ipaddress->local = g_strdup(address);
 167
 168         g_free(ipaddress->gateway);
 169         ipaddress->gateway = g_strdup(gateway);
 170
 171         return 0;
 172 }
 173
 174 void connman_ipaddress_set_ipv4(struct connman_ipaddress *ipaddress,
 175                 const char *address, const char *netmask, const char *gateway)
 176 {
 177         if (ipaddress == NULL)
 178                 return;
 179
 180         if (netmask != NULL)
 181                 ipaddress->prefixlen = netmask2prefixlen(netmask);
 182         else
 183                 ipaddress->prefixlen = 32;
 184
 185         g_free(ipaddress->local);
 186         ipaddress->local = g_strdup(address);
 187
 188         g_free(ipaddress->gateway);
 189         ipaddress->gateway = g_strdup(gateway);
 190 }
 191
 192 void connman_ipaddress_clear(struct connman_ipaddress *ipaddress)
 193 {
 194         if (ipaddress == NULL)
 195                 return;
 196
 197         ipaddress->prefixlen = 0;
 198
 199         g_free(ipaddress->local);
 200         ipaddress->local = NULL;
 201
 202         g_free(ipaddress->peer);
 203         ipaddress->peer = NULL;
 204
 205         g_free(ipaddress->broadcast);
 206         ipaddress->broadcast = NULL;
 207
 208         g_free(ipaddress->gateway);
 209         ipaddress->gateway = NULL;
 210 }
 211
 212 void connman_ipaddress_copy(struct connman_ipaddress *ipaddress,
 213                                         struct connman_ipaddress *source)
 214 {
 215         if (ipaddress == NULL || source == NULL)
 216                 return;
 217
 218         ipaddress->family = source->family;
 219         ipaddress->prefixlen = source->prefixlen;
 220
 221         g_free(ipaddress->local);
 222         ipaddress->local = g_strdup(source->local);
 223
 224         g_free(ipaddress->peer);
 225         ipaddress->peer = g_strdup(source->peer);
 226
 227         g_free(ipaddress->broadcast);
 228         ipaddress->broadcast = g_strdup(source->broadcast);
 229
 230         g_free(ipaddress->gateway);
 231         ipaddress->gateway = g_strdup(source->gateway);
 232 }
 233
 234 static void free_address_list(struct connman_ipdevice *ipdevice)
 235 {
 236         GSList *list;
 237
 238         for (list = ipdevice->address_list; list; list = list->next) {
 239                 struct connman_ipaddress *ipaddress = list->data;
 240
 241                 connman_ipaddress_free(ipaddress);
 242                 list->data = NULL;
 243         }
 244
 245         g_slist_free(ipdevice->address_list);
 246         ipdevice->address_list = NULL;
 247 }
 248
 249 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 250                                 unsigned char prefixlen, const char *local)
 251 {
 252         GSList *list;
 253
 254         for (list = ipdevice->address_list; list; list = list->next) {
 255                 struct connman_ipaddress *ipaddress = list->data;
 256
 257                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 258                                         ipaddress->prefixlen == prefixlen)
 259                         return ipaddress;
 260         }
 261
 262         return NULL;
 263 }
 264
 265 static const char *type2str(unsigned short type)
 266 {
 267         switch (type) {
 268         case ARPHRD_ETHER:
 269                 return "ETHER";
 270         case ARPHRD_LOOPBACK:
 271                 return "LOOPBACK";
 272         case ARPHRD_PPP:
 273                 return "PPP";
 274         case ARPHRD_NONE:
 275                 return "NONE";
 276         case ARPHRD_VOID:
 277                 return "VOID";
 278         }
 279
 280         return "";
 281 }
 282
 283 static const char *scope2str(unsigned char scope)
 284 {
 285         switch (scope) {
 286         case 0:
 287                 return "UNIVERSE";
 288         case 253:
 289                 return "LINK";
 290         }
 291
 292         return "";
 293 }
 294
 295 static void free_ipdevice(gpointer data)
 296 {
 297         struct connman_ipdevice *ipdevice = data;
 298
 299         connman_info("%s {remove} index %d", ipdevice->ifname,
 300                                                         ipdevice->index);
 301
 302         if (ipdevice->config != NULL)
 303                 connman_ipconfig_unref(ipdevice->config);
 304
 305         free_address_list(ipdevice);
 306         g_free(ipdevice->ipv4_gateway);
 307         g_free(ipdevice->ipv6_gateway);
 308         g_free(ipdevice->proxy);
 309         g_free(ipdevice->pac);
 310
 311         g_free(ipdevice->address);
 312         g_free(ipdevice->ifname);
 313         g_free(ipdevice);
 314 }
 315
 316 static GSList *driver_list = NULL;
 317
 318 static gint compare_priority(gconstpointer a, gconstpointer b)
 319 {
 320         const struct connman_ipconfig_driver *driver1 = a;
 321         const struct connman_ipconfig_driver *driver2 = b;
 322
 323         return driver2->priority - driver1->priority;
 324 }
 325
 326 /**
 327  * connman_ipconfig_driver_register:
 328  * @driver: IP configuration driver
 329  *
 330  * Register a new IP configuration driver
 331  *
 332  * Returns: %0 on success
 333  */
 334 int connman_ipconfig_driver_register(struct connman_ipconfig_driver *driver)
 335 {
 336         DBG("driver %p name %s", driver, driver->name);
 337
 338         driver_list = g_slist_insert_sorted(driver_list, driver,
 339                                                         compare_priority);
 340
 341         return 0;
 342 }
 343
 344 /**
 345  * connman_ipconfig_driver_unregister:
 346  * @driver: IP configuration driver
 347  *
 348  * Remove a previously registered IP configuration driver.
 349  */
 350 void connman_ipconfig_driver_unregister(struct connman_ipconfig_driver *driver)
 351 {
 352         DBG("driver %p name %s", driver, driver->name);
 353
 354         driver_list = g_slist_remove(driver_list, driver);
 355 }
 356
 357 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 358 {
 359         GSList *list;
 360
 361         DBG("ipconfig %p", ipdevice->config);
 362
 363         if (ipdevice->config == NULL)
 364                 return;
 365
 366         switch (ipdevice->config->method) {
 367         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 368         case CONNMAN_IPCONFIG_METHOD_OFF:
 369         case CONNMAN_IPCONFIG_METHOD_FIXED:
 370         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 371                 return;
 372         case CONNMAN_IPCONFIG_METHOD_DHCP:
 373                 break;
 374         }
 375
 376         if (ipdevice->driver != NULL)
 377                 return;
 378
 379         ipdevice->driver_config = connman_ipconfig_clone(ipdevice->config);
 380         if (ipdevice->driver_config == NULL)
 381                 return;
 382
 383         for (list = driver_list; list; list = list->next) {
 384                 struct connman_ipconfig_driver *driver = list->data;
 385
 386                 if (driver->request(ipdevice->driver_config) == 0) {
 387                         ipdevice->driver = driver;
 388                         break;
 389                 }
 390         }
 391
 392         if (ipdevice->driver == NULL) {
 393                 connman_ipconfig_unref(ipdevice->driver_config);
 394                 ipdevice->driver_config = NULL;
 395         }
 396 }
 397
 398 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 399 {
 400         DBG("ipconfig %p", ipdevice->config);
 401
 402         if (ipdevice->config == NULL)
 403                 return;
 404
 405         if (ipdevice->driver == NULL)
 406                 return;
 407
 408         ipdevice->driver->release(ipdevice->driver_config);
 409
 410         ipdevice->driver = NULL;
 411
 412         connman_ipconfig_unref(ipdevice->driver_config);
 413         ipdevice->driver_config = NULL;
 414
 415         connman_inet_clear_address(ipdevice->index);
 416         connman_inet_clear_ipv6_address(ipdevice->index,
 417                         ipdevice->driver_config->address->local,
 418                         ipdevice->driver_config->address->prefixlen);
 419 }
 420
 421 static void update_stats(struct connman_ipdevice *ipdevice,
 422                                                 struct rtnl_link_stats *stats)
 423 {
 424         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 425                 return;
 426
 427         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 428                                         stats->rx_packets, stats->rx_bytes);
 429         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 430                                         stats->tx_packets, stats->tx_bytes);
 431
 432         if (ipdevice->config == NULL)
 433                 return;
 434
 435         ipdevice->rx_packets = stats->rx_packets;
 436         ipdevice->tx_packets = stats->tx_packets;
 437         ipdevice->rx_bytes = stats->rx_bytes;
 438         ipdevice->tx_bytes = stats->tx_bytes;
 439         ipdevice->rx_errors = stats->rx_errors;
 440         ipdevice->tx_errors = stats->tx_errors;
 441         ipdevice->rx_dropped = stats->rx_dropped;
 442         ipdevice->tx_dropped = stats->tx_dropped;
 443
 444         __connman_service_notify(ipdevice->config,
 445                                 ipdevice->rx_packets, ipdevice->tx_packets,
 446                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 447                                 ipdevice->rx_errors, ipdevice->tx_errors,
 448                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 449 }
 450
 451 void __connman_ipconfig_newlink(int index, unsigned short type,
 452                                 unsigned int flags, const char *address,
 453                                                         unsigned short mtu,
 454                                                 struct rtnl_link_stats *stats)
 455 {
 456         struct connman_ipdevice *ipdevice;
 457         GList *list;
 458         GString *str;
 459         gboolean up = FALSE, down = FALSE;
 460         gboolean lower_up = FALSE, lower_down = FALSE;
 461
 462         DBG("index %d", index);
 463
 464         if (type == ARPHRD_LOOPBACK)
 465                 return;
 466
 467         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 468         if (ipdevice != NULL)
 469                 goto update;
 470
 471         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 472         if (ipdevice == NULL)
 473                 return;
 474
 475         ipdevice->index = index;
 476         ipdevice->ifname = connman_inet_ifname(index);
 477         ipdevice->type = type;
 478
 479         ipdevice->address = g_strdup(address);
 480
 481         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 482
 483         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 484                                                 index, type, type2str(type));
 485
 486 update:
 487         ipdevice->mtu = mtu;
 488
 489         update_stats(ipdevice, stats);
 490
 491         if (flags == ipdevice->flags)
 492                 return;
 493
 494         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 495                 if (flags & IFF_UP)
 496                         up = TRUE;
 497                 else
 498                         down = TRUE;
 499         }
 500
 501         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 502                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 503                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 504                                         (IFF_RUNNING | IFF_LOWER_UP))
 505                         lower_up = TRUE;
 506                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 507                         lower_down = TRUE;
 508         }
 509
 510         ipdevice->flags = flags;
 511
 512         str = g_string_new(NULL);
 513         if (str == NULL)
 514                 return;
 515
 516         if (flags & IFF_UP)
 517                 g_string_append(str, "UP");
 518         else
 519                 g_string_append(str, "DOWN");
 520
 521         if (flags & IFF_RUNNING)
 522                 g_string_append(str, ",RUNNING");
 523
 524         if (flags & IFF_LOWER_UP)
 525                 g_string_append(str, ",LOWER_UP");
 526
 527         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 528                                                         flags, str->str);
 529
 530         g_string_free(str, TRUE);
 531
 532         for (list = g_list_first(ipconfig_list); list;
 533                                                 list = g_list_next(list)) {
 534                 struct connman_ipconfig *ipconfig = list->data;
 535
 536                 if (index != ipconfig->index)
 537                         continue;
 538
 539                 if (ipconfig->ops == NULL)
 540                         continue;
 541
 542                 if (up == TRUE && ipconfig->ops->up)
 543                         ipconfig->ops->up(ipconfig);
 544                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 545                         ipconfig->ops->lower_up(ipconfig);
 546
 547                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 548                         ipconfig->ops->lower_down(ipconfig);
 549                 if (down == TRUE && ipconfig->ops->down)
 550                         ipconfig->ops->down(ipconfig);
 551         }
 552
 553         if (lower_up)
 554                 __connman_ipconfig_lower_up(ipdevice);
 555         if (lower_down)
 556                 __connman_ipconfig_lower_down(ipdevice);
 557 }
 558
 559 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 560 {
 561         struct connman_ipdevice *ipdevice;
 562         GList *list;
 563
 564         DBG("index %d", index);
 565
 566         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 567         if (ipdevice == NULL)
 568                 return;
 569
 570         update_stats(ipdevice, stats);
 571
 572         for (list = g_list_first(ipconfig_list); list;
 573                                                 list = g_list_next(list)) {
 574                 struct connman_ipconfig *ipconfig = list->data;
 575
 576                 if (index != ipconfig->index)
 577                         continue;
 578
 579                 ipconfig->index = -1;
 580
 581                 if (ipconfig->ops == NULL)
 582                         continue;
 583
 584                 if (ipconfig->ops->lower_down)
 585                         ipconfig->ops->lower_down(ipconfig);
 586                 if (ipconfig->ops->down)
 587                         ipconfig->ops->down(ipconfig);
 588         }
 589
 590         __connman_ipconfig_lower_down(ipdevice);
 591
 592         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 593 }
 594
 595 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 596                                 unsigned char prefixlen, const char *address)
 597 {
 598         struct connman_ipdevice *ipdevice;
 599         struct connman_ipaddress *ipaddress;
 600         GList *list;
 601
 602         DBG("index %d", index);
 603
 604         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 605         if (ipdevice == NULL)
 606                 return;
 607
 608         ipaddress = connman_ipaddress_alloc(family);
 609         if (ipaddress == NULL)
 610                 return;
 611
 612         ipaddress->prefixlen = prefixlen;
 613         ipaddress->local = g_strdup(address);
 614
 615         ipdevice->address_list = g_slist_append(ipdevice->address_list,
 616                                                                 ipaddress);
 617
 618         connman_info("%s {add} address %s/%u label %s", ipdevice->ifname,
 619                                                 address, prefixlen, label);
 620
 621         if (ipdevice->config != NULL) {
 622                 if (family == AF_INET6 && ipdevice->config->ipv6 != NULL)
 623                         connman_ipaddress_copy(ipdevice->config->ipv6->system,
 624                                                         ipaddress);
 625                 else
 626                         connman_ipaddress_copy(ipdevice->config->system,
 627                                                         ipaddress);
 628         }
 629
 630         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 631                 return;
 632
 633         if (g_slist_length(ipdevice->address_list) > 1)
 634                 return;
 635
 636         for (list = g_list_first(ipconfig_list); list;
 637                                                 list = g_list_next(list)) {
 638                 struct connman_ipconfig *ipconfig = list->data;
 639
 640                 if (index != ipconfig->index)
 641                         continue;
 642
 643                 if (ipconfig->ops == NULL)
 644                         continue;
 645
 646                 if (ipconfig->ops->ip_bound)
 647                         ipconfig->ops->ip_bound(ipconfig);
 648         }
 649 }
 650
 651 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 652                                 unsigned char prefixlen, const char *address)
 653 {
 654         struct connman_ipdevice *ipdevice;
 655         struct connman_ipaddress *ipaddress;
 656         GList *list;
 657
 658         DBG("index %d", index);
 659
 660         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 661         if (ipdevice == NULL)
 662                 return;
 663
 664         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 665         if (ipaddress == NULL)
 666                 return;
 667
 668         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 669                                                                 ipaddress);
 670
 671         connman_ipaddress_free(ipaddress);
 672
 673         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 674                                                 address, prefixlen, label);
 675
 676         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 677                 return;
 678
 679         if (g_slist_length(ipdevice->address_list) > 0)
 680                 return;
 681
 682         for (list = g_list_first(ipconfig_list); list;
 683                                                 list = g_list_next(list)) {
 684                 struct connman_ipconfig *ipconfig = list->data;
 685
 686                 if (index != ipconfig->index)
 687                         continue;
 688
 689                 if (ipconfig->ops == NULL)
 690                         continue;
 691
 692                 if (ipconfig->ops->ip_release)
 693                         ipconfig->ops->ip_release(ipconfig);
 694         }
 695 }
 696
 697 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 698                                         const char *dst, const char *gateway)
 699 {
 700         struct connman_ipdevice *ipdevice;
 701
 702         DBG("index %d", index);
 703
 704         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 705         if (ipdevice == NULL)
 706                 return;
 707
 708         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 709                 GSList *list;
 710                 GList *config_list;
 711
 712                 if (family == AF_INET6) {
 713                         g_free(ipdevice->ipv6_gateway);
 714                         ipdevice->ipv6_gateway = g_strdup(gateway);
 715                 } else {
 716                         g_free(ipdevice->ipv4_gateway);
 717                         ipdevice->ipv4_gateway = g_strdup(gateway);
 718                 }
 719
 720                 if (ipdevice->config != NULL &&
 721                                         ipdevice->config->system != NULL) {
 722                         g_free(ipdevice->config->system->gateway);
 723                         ipdevice->config->system->gateway = g_strdup(gateway);
 724                 }
 725
 726                 for (list = ipdevice->address_list; list; list = list->next) {
 727                         struct connman_ipaddress *ipaddress = list->data;
 728
 729                         g_free(ipaddress->gateway);
 730                         ipaddress->gateway = g_strdup(gateway);
 731                 }
 732
 733                 for (config_list = g_list_first(ipconfig_list); config_list;
 734                                         config_list = g_list_next(config_list)) {
 735                         struct connman_ipconfig *ipconfig = config_list->data;
 736
 737                         if (index != ipconfig->index)
 738                                 continue;
 739
 740                         if (ipconfig->ops == NULL)
 741                                 continue;
 742
 743                         if (ipconfig->ops->ip_bound)
 744                                 ipconfig->ops->ip_bound(ipconfig);
 745                 }
 746         }
 747
 748         connman_info("%s {add} route %s gw %s scope %u <%s>",
 749                                         ipdevice->ifname, dst, gateway,
 750                                                 scope, scope2str(scope));
 751 }
 752
 753 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 754                                         const char *dst, const char *gateway)
 755 {
 756         struct connman_ipdevice *ipdevice;
 757
 758         DBG("index %d", index);
 759
 760         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 761         if (ipdevice == NULL)
 762                 return;
 763
 764         if (scope == 0 && g_strcmp0(dst, "0.0.0.0") == 0) {
 765                 GSList *list;
 766                 GList *config_list;
 767
 768                 if (family == AF_INET6) {
 769                         g_free(ipdevice->ipv6_gateway);
 770                         ipdevice->ipv6_gateway = NULL;
 771                 } else {
 772                         g_free(ipdevice->ipv4_gateway);
 773                         ipdevice->ipv4_gateway = NULL;
 774                 }
 775
 776                 if (ipdevice->config != NULL &&
 777                                         ipdevice->config->system != NULL) {
 778                         g_free(ipdevice->config->system->gateway);
 779                         ipdevice->config->system->gateway = NULL;
 780                 }
 781
 782                 for (list = ipdevice->address_list; list; list = list->next) {
 783                         struct connman_ipaddress *ipaddress = list->data;
 784
 785                         g_free(ipaddress->gateway);
 786                         ipaddress->gateway = NULL;
 787                 }
 788
 789                 for (config_list = g_list_first(ipconfig_list); config_list;
 790                                         config_list = g_list_next(config_list)) {
 791                         struct connman_ipconfig *ipconfig = config_list->data;
 792
 793                         if (index != ipconfig->index)
 794                                 continue;
 795
 796                         if (ipconfig->ops == NULL)
 797                                 continue;
 798
 799                         if (ipconfig->ops->ip_release)
 800                                 ipconfig->ops->ip_release(ipconfig);
 801                 }
 802         }
 803
 804         connman_info("%s {del} route %s gw %s scope %u <%s>",
 805                                         ipdevice->ifname, dst, gateway,
 806                                                 scope, scope2str(scope));
 807 }
 808
 809 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 810                                                         void *user_data)
 811 {
 812         GList *list, *keys;
 813
 814         keys = g_hash_table_get_keys(ipdevice_hash);
 815         if (keys == NULL)
 816                 return;
 817
 818         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 819                 int index = GPOINTER_TO_INT(list->data);
 820
 821                 function(index, user_data);
 822         }
 823
 824         g_list_free(keys);
 825 }
 826
 827 unsigned short __connman_ipconfig_get_type(int index)
 828 {
 829         struct connman_ipdevice *ipdevice;
 830
 831         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 832         if (ipdevice == NULL)
 833                 return ARPHRD_VOID;
 834
 835         return ipdevice->type;
 836 }
 837
 838 unsigned int __connman_ipconfig_get_flags(int index)
 839 {
 840         struct connman_ipdevice *ipdevice;
 841
 842         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 843         if (ipdevice == NULL)
 844                 return 0;
 845
 846         return ipdevice->flags;
 847 }
 848
 849 const char *__connman_ipconfig_get_gateway(int index)
 850 {
 851         struct connman_ipdevice *ipdevice;
 852
 853         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 854         if (ipdevice == NULL)
 855                 return NULL;
 856
 857         if (ipdevice->ipv4_gateway != NULL)
 858                 return ipdevice->ipv4_gateway;
 859
 860         if (ipdevice->config != NULL &&
 861                         ipdevice->config->address != NULL)
 862                 return ipdevice->config->address->gateway;
 863
 864         return NULL;
 865 }
 866
 867 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 868 {
 869         ipconfig->index = index;
 870
 871         if (ipconfig->ipv6 != NULL)
 872                 ipconfig->ipv6->index = index;
 873 }
 874
 875 static struct connman_ipconfig *create_ipv6config(int index)
 876 {
 877         struct connman_ipconfig *ipv6config;
 878
 879         DBG("index %d", index);
 880
 881         ipv6config = g_try_new0(struct connman_ipconfig, 1);
 882         if (ipv6config == NULL)
 883                 return NULL;
 884
 885         ipv6config->index = index;
 886         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
 887         ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
 888
 889         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
 890         if (ipv6config->address == NULL) {
 891                 g_free(ipv6config);
 892                 return NULL;
 893         }
 894
 895         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
 896
 897         ipv6config->ipv6 = NULL;
 898
 899         DBG("ipconfig %p", ipv6config);
 900
 901         return ipv6config;
 902 }
 903
 904 /**
 905  * connman_ipconfig_create:
 906  *
 907  * Allocate a new ipconfig structure.
 908  *
 909  * Returns: a newly-allocated #connman_ipconfig structure
 910  */
 911 struct connman_ipconfig *connman_ipconfig_create(int index)
 912 {
 913         struct connman_ipconfig *ipconfig;
 914
 915         DBG("index %d", index);
 916
 917         ipconfig = g_try_new0(struct connman_ipconfig, 1);
 918         if (ipconfig == NULL)
 919                 return NULL;
 920
 921         ipconfig->refcount = 1;
 922
 923         ipconfig->index = index;
 924         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
 925
 926         ipconfig->address = connman_ipaddress_alloc(AF_INET);
 927         if (ipconfig->address == NULL) {
 928                 g_free(ipconfig);
 929                 return NULL;
 930         }
 931
 932         ipconfig->system = connman_ipaddress_alloc(AF_INET);
 933
 934         ipconfig->ipv6 = create_ipv6config(index);
 935
 936         DBG("ipconfig %p", ipconfig);
 937
 938         return ipconfig;
 939 }
 940
 941 /**
 942  * connman_ipconfig_clone:
 943  *
 944  * Clone an ipconfig structure and create new reference.
 945  *
 946  * Returns: a newly-allocated #connman_ipconfig structure
 947  */
 948 struct connman_ipconfig *connman_ipconfig_clone(struct connman_ipconfig *ipconfig)
 949 {
 950         struct connman_ipconfig *ipconfig_clone;
 951
 952         DBG("ipconfig %p", ipconfig);
 953
 954         ipconfig_clone = g_try_new0(struct connman_ipconfig, 1);
 955         if (ipconfig_clone == NULL)
 956                 return NULL;
 957
 958         ipconfig_clone->refcount = 1;
 959
 960         ipconfig_clone->origin = connman_ipconfig_ref(ipconfig);
 961
 962         ipconfig_clone->index = -1;
 963
 964         return ipconfig_clone;
 965 }
 966
 967 /**
 968  * connman_ipconfig_ref:
 969  * @ipconfig: ipconfig structure
 970  *
 971  * Increase reference counter of ipconfig
 972  */
 973 struct connman_ipconfig *connman_ipconfig_ref(struct connman_ipconfig *ipconfig)
 974 {
 975         g_atomic_int_inc(&ipconfig->refcount);
 976
 977         return ipconfig;
 978 }
 979
 980 static void  free_ipv6config(struct connman_ipconfig *ipconfig)
 981 {
 982         if (ipconfig == NULL)
 983                 return;
 984
 985         connman_ipconfig_set_ops(ipconfig, NULL);
 986         connman_ipaddress_free(ipconfig->system);
 987         connman_ipaddress_free(ipconfig->address);
 988         g_free(ipconfig->ipv6);
 989 }
 990
 991 /**
 992  * connman_ipconfig_unref:
 993  * @ipconfig: ipconfig structure
 994  *
 995  * Decrease reference counter of ipconfig
 996  */
 997 void connman_ipconfig_unref(struct connman_ipconfig *ipconfig)
 998 {
 999         if (g_atomic_int_dec_and_test(&ipconfig->refcount) == TRUE) {
1000                 __connman_ipconfig_disable(ipconfig);
1001
1002                 connman_ipconfig_set_ops(ipconfig, NULL);
1003
1004                 if (ipconfig->origin != NULL) {
1005                         connman_ipconfig_unref(ipconfig->origin);
1006                         ipconfig->origin = NULL;
1007                 }
1008
1009                 connman_ipaddress_free(ipconfig->system);
1010                 connman_ipaddress_free(ipconfig->address);
1011                 free_ipv6config(ipconfig->ipv6);
1012                 g_free(ipconfig);
1013         }
1014 }
1015
1016 /**
1017  * connman_ipconfig_get_data:
1018  * @ipconfig: ipconfig structure
1019  *
1020  * Get private data pointer
1021  */
1022 void *connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1023 {
1024         return ipconfig->ops_data;
1025 }
1026
1027 /**
1028  * connman_ipconfig_set_data:
1029  * @ipconfig: ipconfig structure
1030  * @data: data pointer
1031  *
1032  * Set private data pointer
1033  */
1034 void connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1035 {
1036         ipconfig->ops_data = data;
1037 }
1038
1039 /**
1040  * connman_ipconfig_get_index:
1041  * @ipconfig: ipconfig structure
1042  *
1043  * Get interface index
1044  */
1045 int connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1046 {
1047         if (ipconfig == NULL)
1048                 return -1;
1049
1050         if (ipconfig->origin != NULL)
1051                 return ipconfig->origin->index;
1052
1053         return ipconfig->index;
1054 }
1055
1056 /**
1057  * connman_ipconfig_get_ifname:
1058  * @ipconfig: ipconfig structure
1059  *
1060  * Get interface name
1061  */
1062 const char *connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1063 {
1064         struct connman_ipdevice *ipdevice;
1065
1066         if (ipconfig == NULL)
1067                 return NULL;
1068
1069         if (ipconfig->index < 0)
1070                 return NULL;
1071
1072         ipdevice = g_hash_table_lookup(ipdevice_hash,
1073                                         GINT_TO_POINTER(ipconfig->index));
1074         if (ipdevice == NULL)
1075                 return NULL;
1076
1077         return ipdevice->ifname;
1078 }
1079
1080 /**
1081  * connman_ipconfig_set_ops:
1082  * @ipconfig: ipconfig structure
1083  * @ops: operation callbacks
1084  *
1085  * Set the operation callbacks
1086  */
1087 void connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1088                                 const struct connman_ipconfig_ops *ops)
1089 {
1090         ipconfig->ops = ops;
1091 }
1092
1093 struct connman_ipconfig *connman_ipconfig_get_ipv6config(
1094                                 struct connman_ipconfig *ipconfig)
1095 {
1096         if (ipconfig == NULL)
1097                 return NULL;
1098
1099         return ipconfig->ipv6;
1100 }
1101
1102 /**
1103  * connman_ipconfig_set_method:
1104  * @ipconfig: ipconfig structure
1105  * @method: configuration method
1106  *
1107  * Set the configuration method
1108  */
1109 int connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1110                                         enum connman_ipconfig_method method)
1111 {
1112         ipconfig->method = method;
1113
1114         return 0;
1115 }
1116
1117 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1118 {
1119         if (ipconfig == NULL)
1120                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1121
1122         return ipconfig->method;
1123 }
1124
1125 /**
1126  * connman_ipconfig_bind:
1127  * @ipconfig: ipconfig structure
1128  * @ipaddress: ipaddress structure
1129  *
1130  * Bind IP address details to configuration
1131  */
1132 void connman_ipconfig_bind(struct connman_ipconfig *ipconfig,
1133                                         struct connman_ipaddress *ipaddress)
1134 {
1135         struct connman_ipconfig *origin;
1136
1137         origin = ipconfig->origin ? ipconfig->origin : ipconfig;
1138
1139         connman_ipaddress_copy(origin->address, ipaddress);
1140
1141         connman_inet_set_address(origin->index, origin->address);
1142 }
1143
1144 void __connman_ipconfig_set_element_ipv6_gateway(
1145                         struct connman_ipconfig *ipconfig,
1146                                 struct connman_element *element)
1147 {
1148         element->ipv6.gateway = ipconfig->ipv6->address->gateway;
1149 }
1150
1151 /*
1152  * FIXME: The element soulution should be removed in the future
1153  * Set IPv4 and IPv6 gateway
1154  */
1155 int __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig,
1156                                                 struct connman_element *parent)
1157 {
1158         struct connman_element *connection;
1159
1160         connection = connman_element_create(NULL);
1161
1162         DBG("ipconfig %p", ipconfig);
1163
1164         connection->type  = CONNMAN_ELEMENT_TYPE_CONNECTION;
1165         connection->index = ipconfig->index;
1166         connection->ipv4.gateway = ipconfig->address->gateway;
1167         connection->ipv6.gateway = ipconfig->ipv6->address->gateway;
1168
1169         if (connman_element_register(connection, parent) < 0)
1170                 connman_element_unref(connection);
1171
1172         return 0;
1173 }
1174
1175 int __connman_ipconfig_set_address(struct connman_ipconfig *ipconfig)
1176 {
1177         DBG("");
1178
1179         switch (ipconfig->method) {
1180         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1181         case CONNMAN_IPCONFIG_METHOD_OFF:
1182         case CONNMAN_IPCONFIG_METHOD_FIXED:
1183         case CONNMAN_IPCONFIG_METHOD_DHCP:
1184                 break;
1185         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1186                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1187                         return connman_inet_set_address(ipconfig->index,
1188                                                         ipconfig->address);
1189                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1190                         return connman_inet_set_ipv6_address(
1191                                         ipconfig->index, ipconfig->address);
1192         }
1193
1194         return 0;
1195 }
1196
1197 int __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
1198 {
1199         DBG("");
1200
1201         if (ipconfig == NULL)
1202                 return 0;
1203
1204         DBG("method %d", ipconfig->method);
1205
1206         switch (ipconfig->method) {
1207         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1208         case CONNMAN_IPCONFIG_METHOD_OFF:
1209         case CONNMAN_IPCONFIG_METHOD_FIXED:
1210         case CONNMAN_IPCONFIG_METHOD_DHCP:
1211                 break;
1212         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1213                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1214                         return connman_inet_clear_address(ipconfig->index);
1215                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1216                         return connman_inet_clear_ipv6_address(
1217                                                 ipconfig->index,
1218                                                 ipconfig->address->local,
1219                                                 ipconfig->address->prefixlen);
1220         }
1221
1222         return 0;
1223 }
1224
1225 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1226                                                         const char *url)
1227 {
1228         struct connman_ipdevice *ipdevice;
1229
1230         DBG("ipconfig %p", ipconfig);
1231
1232         if (ipconfig == NULL || ipconfig->index < 0)
1233                 return -ENODEV;
1234
1235         ipdevice = g_hash_table_lookup(ipdevice_hash,
1236                                         GINT_TO_POINTER(ipconfig->index));
1237         if (ipdevice == NULL)
1238                 return -ENXIO;
1239
1240         g_free(ipdevice->pac);
1241         ipdevice->pac = g_strdup(url);
1242
1243         return 0;
1244 }
1245
1246 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1247 {
1248         struct connman_ipdevice *ipdevice;
1249
1250         DBG("ipconfig %p", ipconfig);
1251
1252         if (ipconfig == NULL || ipconfig->index < 0)
1253                 return NULL;
1254
1255         ipdevice = g_hash_table_lookup(ipdevice_hash,
1256                                         GINT_TO_POINTER(ipconfig->index));
1257         if (ipdevice == NULL)
1258                 return NULL;
1259
1260         return ipdevice->pac;
1261 }
1262
1263 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1264 {
1265         struct connman_ipdevice *ipdevice;
1266         gboolean up = FALSE, down = FALSE;
1267         gboolean lower_up = FALSE, lower_down = FALSE;
1268
1269         DBG("ipconfig %p", ipconfig);
1270
1271         if (ipconfig == NULL || ipconfig->index < 0)
1272                 return -ENODEV;
1273
1274         ipdevice = g_hash_table_lookup(ipdevice_hash,
1275                                         GINT_TO_POINTER(ipconfig->index));
1276         if (ipdevice == NULL)
1277                 return -ENXIO;
1278
1279         if (ipdevice->config == ipconfig)
1280                 return -EALREADY;
1281
1282         if (ipdevice->config != NULL) {
1283                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1284
1285                 connman_ipaddress_clear(ipdevice->config->system);
1286
1287                 connman_ipconfig_unref(ipdevice->config);
1288         }
1289
1290         ipdevice->config = connman_ipconfig_ref(ipconfig);
1291
1292         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1293
1294         if (ipdevice->flags & IFF_UP)
1295                 up = TRUE;
1296         else
1297                 down = TRUE;
1298
1299         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1300                         (IFF_RUNNING | IFF_LOWER_UP))
1301                 lower_up = TRUE;
1302         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1303                 lower_down = TRUE;
1304
1305         if (up == TRUE && ipconfig->ops->up)
1306                 ipconfig->ops->up(ipconfig);
1307         if (lower_up == TRUE && ipconfig->ops->lower_up)
1308                 ipconfig->ops->lower_up(ipconfig);
1309
1310         if (lower_down == TRUE && ipconfig->ops->lower_down)
1311                 ipconfig->ops->lower_down(ipconfig);
1312         if (down == TRUE && ipconfig->ops->down)
1313                 ipconfig->ops->down(ipconfig);
1314
1315         return 0;
1316 }
1317
1318 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1319 {
1320         struct connman_ipdevice *ipdevice;
1321
1322         DBG("ipconfig %p", ipconfig);
1323
1324         if (ipconfig == NULL || ipconfig->index < 0)
1325                 return -ENODEV;
1326
1327         ipdevice = g_hash_table_lookup(ipdevice_hash,
1328                                         GINT_TO_POINTER(ipconfig->index));
1329         if (ipdevice == NULL)
1330                 return -ENXIO;
1331
1332         if (ipdevice->config == NULL || ipdevice->config != ipconfig)
1333                 return -EINVAL;
1334
1335         ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1336
1337         connman_ipaddress_clear(ipdevice->config->system);
1338         connman_ipaddress_clear(ipdevice->config->ipv6->system);
1339
1340         connman_ipconfig_unref(ipdevice->config);
1341         ipdevice->config = NULL;
1342
1343         return 0;
1344 }
1345
1346 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1347 {
1348         switch (method) {
1349         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1350                 break;
1351         case CONNMAN_IPCONFIG_METHOD_OFF:
1352                 return "off";
1353         case CONNMAN_IPCONFIG_METHOD_FIXED:
1354                 return "fixed";
1355         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1356                 return "manual";
1357         case CONNMAN_IPCONFIG_METHOD_DHCP:
1358                 return "dhcp";
1359         }
1360
1361         return NULL;
1362 }
1363
1364 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1365 {
1366         if (g_strcmp0(method, "off") == 0)
1367                 return CONNMAN_IPCONFIG_METHOD_OFF;
1368         else if (g_strcmp0(method, "fixed") == 0)
1369                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1370         else if (g_strcmp0(method, "manual") == 0)
1371                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1372         else if (g_strcmp0(method, "dhcp") == 0)
1373                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1374         else
1375                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1376 }
1377
1378 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1379                                                         DBusMessageIter *iter)
1380 {
1381         const char *str;
1382
1383         DBG("");
1384
1385         str = __connman_ipconfig_method2string(ipconfig->method);
1386         if (str == NULL)
1387                 return;
1388
1389         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1390
1391         if (ipconfig->system == NULL)
1392                 return;
1393
1394         if (ipconfig->system->local != NULL) {
1395                 in_addr_t addr;
1396                 struct in_addr netmask;
1397                 char *mask;
1398
1399                 connman_dbus_dict_append_basic(iter, "Address",
1400                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1401
1402                 addr = 0xffffffff << (32 - ipconfig->system->prefixlen);
1403                 netmask.s_addr = htonl(addr);
1404                 mask = inet_ntoa(netmask);
1405                 connman_dbus_dict_append_basic(iter, "Netmask",
1406                                                 DBUS_TYPE_STRING, &mask);
1407         }
1408
1409         if (ipconfig->system->gateway != NULL)
1410                 connman_dbus_dict_append_basic(iter, "Gateway",
1411                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1412 }
1413
1414 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1415                                                         DBusMessageIter *iter)
1416 {
1417         const char *str;
1418
1419         DBG("");
1420
1421         str = __connman_ipconfig_method2string(ipconfig->method);
1422         if (str == NULL)
1423                 return;
1424
1425         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1426
1427         if (ipconfig->system == NULL)
1428                 return;
1429
1430         if (ipconfig->system->local != NULL) {
1431                 connman_dbus_dict_append_basic(iter, "Address",
1432                                 DBUS_TYPE_STRING, &ipconfig->system->local);
1433                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1434                                                 DBUS_TYPE_BYTE,
1435                                                 &ipconfig->system->prefixlen);
1436         }
1437
1438         if (ipconfig->system->gateway != NULL)
1439                 connman_dbus_dict_append_basic(iter, "Gateway",
1440                                 DBUS_TYPE_STRING, &ipconfig->system->gateway);
1441 }
1442
1443 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1444                                                         DBusMessageIter *iter)
1445 {
1446         const char *str;
1447
1448         DBG("");
1449
1450         str = __connman_ipconfig_method2string(ipconfig->method);
1451         if (str == NULL)
1452                 return;
1453
1454         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1455
1456         switch (ipconfig->method) {
1457         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1458         case CONNMAN_IPCONFIG_METHOD_OFF:
1459         case CONNMAN_IPCONFIG_METHOD_DHCP:
1460                 return;
1461         case CONNMAN_IPCONFIG_METHOD_FIXED:
1462         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1463                 break;
1464         }
1465
1466         if (ipconfig->address == NULL)
1467                 return;
1468
1469         if (ipconfig->address->local != NULL) {
1470                 connman_dbus_dict_append_basic(iter, "Address",
1471                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1472                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1473                                                 DBUS_TYPE_BYTE,
1474                                                 &ipconfig->address->prefixlen);
1475         }
1476
1477         if (ipconfig->address->gateway != NULL)
1478                 connman_dbus_dict_append_basic(iter, "Gateway",
1479                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1480 }
1481
1482 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1483                                                         DBusMessageIter *iter)
1484 {
1485         const char *str;
1486
1487         DBG("");
1488
1489         str = __connman_ipconfig_method2string(ipconfig->method);
1490         if (str == NULL)
1491                 return;
1492
1493         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1494
1495         switch (ipconfig->method) {
1496         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1497         case CONNMAN_IPCONFIG_METHOD_OFF:
1498         case CONNMAN_IPCONFIG_METHOD_FIXED:
1499         case CONNMAN_IPCONFIG_METHOD_DHCP:
1500                 return;
1501         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1502                 break;
1503         }
1504
1505         if (ipconfig->address == NULL)
1506                 return;
1507
1508         if (ipconfig->address->local != NULL) {
1509                 in_addr_t addr;
1510                 struct in_addr netmask;
1511                 char *mask;
1512
1513                 connman_dbus_dict_append_basic(iter, "Address",
1514                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1515
1516                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1517                 netmask.s_addr = htonl(addr);
1518                 mask = inet_ntoa(netmask);
1519                 connman_dbus_dict_append_basic(iter, "Netmask",
1520                                                 DBUS_TYPE_STRING, &mask);
1521         }
1522
1523         if (ipconfig->address->gateway != NULL)
1524                 connman_dbus_dict_append_basic(iter, "Gateway",
1525                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1526 }
1527
1528 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1529                 enum connman_ipconfig_type type, DBusMessageIter *array)
1530 {
1531         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1532         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1533                         *prefix_length_string = NULL;
1534         int prefix_length = 0;
1535         DBusMessageIter dict;
1536
1537         DBG("ipconfig %p type %d", ipconfig, type);
1538
1539         if (type != CONNMAN_IPCONFIG_TYPE_IPV4 &&
1540                         type != CONNMAN_IPCONFIG_TYPE_IPV6)
1541                 return -EINVAL;
1542
1543         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1544                 return -EINVAL;
1545
1546         dbus_message_iter_recurse(array, &dict);
1547
1548         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1549                 DBusMessageIter entry;
1550                 const char *key;
1551                 int type;
1552
1553                 dbus_message_iter_recurse(&dict, &entry);
1554
1555                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1556                         return -EINVAL;
1557
1558                 dbus_message_iter_get_basic(&entry, &key);
1559                 dbus_message_iter_next(&entry);
1560
1561                 type = dbus_message_iter_get_arg_type(&entry);
1562
1563                 if (g_str_equal(key, "Method") == TRUE) {
1564                         const char *str;
1565
1566                         if (type != DBUS_TYPE_STRING)
1567                                 return -EINVAL;
1568
1569                         dbus_message_iter_get_basic(&entry, &str);
1570                         method = __connman_ipconfig_string2method(str);
1571                 } else if (g_str_equal(key, "Address") == TRUE) {
1572                         if (type != DBUS_TYPE_STRING)
1573                                 return -EINVAL;
1574
1575                         dbus_message_iter_get_basic(&entry, &address);
1576                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1577                         if (type != DBUS_TYPE_STRING)
1578                                 return -EINVAL;
1579
1580                         dbus_message_iter_get_basic(&entry,
1581                                                         &prefix_length_string);
1582
1583                         prefix_length = atoi(prefix_length_string);
1584                         if (prefix_length < 0 || prefix_length > 128)
1585                                 return -EINVAL;
1586
1587                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1588                         if (type != DBUS_TYPE_STRING)
1589                                 return -EINVAL;
1590
1591                         dbus_message_iter_get_basic(&entry, &netmask);
1592                 } else if (g_str_equal(key, "Gateway") == TRUE) {
1593                         if (type != DBUS_TYPE_STRING)
1594                                 return -EINVAL;
1595
1596                         dbus_message_iter_get_basic(&entry, &gateway);
1597                 }
1598                 dbus_message_iter_next(&dict);
1599         }
1600
1601         DBG("method %d address %s netmask %s gateway %s prefix_length %d",
1602                         method, address, netmask, gateway, prefix_length);
1603
1604         switch (method) {
1605         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1606         case CONNMAN_IPCONFIG_METHOD_OFF:
1607         case CONNMAN_IPCONFIG_METHOD_FIXED:
1608                 return -EINVAL;
1609
1610         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1611                 if (address == NULL)
1612                         return -EINVAL;
1613
1614                 ipconfig->method = method;
1615
1616                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1617                         connman_ipaddress_set_ipv4(ipconfig->address,
1618                                                 address, netmask, gateway);
1619                 else
1620                         return connman_ipaddress_set_ipv6(
1621                                         ipconfig->address, address,
1622                                                 gateway, prefix_length);
1623                 break;
1624
1625         case CONNMAN_IPCONFIG_METHOD_DHCP:
1626                 if (ipconfig->method == method)
1627                         return 0;
1628
1629                 ipconfig->method = method;
1630                 break;
1631         }
1632
1633         return 0;
1634 }
1635
1636 void __connman_ipconfig_append_proxy(struct connman_ipconfig *ipconfig,
1637                                                         DBusMessageIter *iter)
1638 {
1639         struct connman_ipdevice *ipdevice;
1640         const char *method = "direct";
1641
1642         ipdevice = g_hash_table_lookup(ipdevice_hash,
1643                                         GINT_TO_POINTER(ipconfig->index));
1644         if (ipdevice == NULL)
1645                 goto done;
1646
1647         if (ipdevice->pac == NULL)
1648                 goto done;
1649
1650         method = "auto-config";
1651
1652         connman_dbus_dict_append_basic(iter, "URL",
1653                                         DBUS_TYPE_STRING, &ipdevice->pac);
1654
1655 done:
1656         connman_dbus_dict_append_basic(iter, "Method",
1657                                                 DBUS_TYPE_STRING, &method);
1658 }
1659
1660 void __connman_ipconfig_append_proxyconfig(struct connman_ipconfig *ipconfig,
1661                                                         DBusMessageIter *iter)
1662 {
1663         struct connman_ipdevice *ipdevice;
1664         const char *method = "auto";
1665
1666         ipdevice = g_hash_table_lookup(ipdevice_hash,
1667                                         GINT_TO_POINTER(ipconfig->index));
1668         if (ipdevice == NULL)
1669                 goto done;
1670
1671         if (ipdevice->proxy == NULL)
1672                 goto done;
1673
1674         method = ipdevice->proxy;
1675
1676 done:
1677         connman_dbus_dict_append_basic(iter, "Method",
1678                                                 DBUS_TYPE_STRING, &method);
1679 }
1680
1681 int __connman_ipconfig_set_proxyconfig(struct connman_ipconfig *ipconfig,
1682                                                         DBusMessageIter *array)
1683 {
1684         struct connman_ipdevice *ipdevice;
1685         DBusMessageIter dict;
1686         const char *method;
1687
1688         DBG("ipconfig %p", ipconfig);
1689
1690         ipdevice = g_hash_table_lookup(ipdevice_hash,
1691                                         GINT_TO_POINTER(ipconfig->index));
1692         if (ipdevice == NULL)
1693                 return -ENXIO;
1694
1695         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1696                 return -EINVAL;
1697
1698         dbus_message_iter_recurse(array, &dict);
1699
1700         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1701                 DBusMessageIter entry;
1702                 const char *key;
1703                 int type;
1704
1705                 dbus_message_iter_recurse(&dict, &entry);
1706
1707                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1708                         return -EINVAL;
1709
1710                 dbus_message_iter_get_basic(&entry, &key);
1711                 dbus_message_iter_next(&entry);
1712
1713                 type = dbus_message_iter_get_arg_type(&entry);
1714
1715                 if (g_str_equal(key, "Method") == TRUE) {
1716                         if (type != DBUS_TYPE_STRING)
1717                                 return -EINVAL;
1718
1719                         dbus_message_iter_get_basic(&entry, &method);
1720                         if (strlen(method) == 0)
1721                                 method = NULL;
1722                 }
1723
1724                 dbus_message_iter_next(&dict);
1725         }
1726
1727         DBG("method %s", method);
1728
1729         if (method == NULL)
1730                 return -EINVAL;
1731
1732         if (g_str_equal(method, "auto") == FALSE &&
1733                                 g_str_equal(method, "direct") == FALSE)
1734                 return -EINVAL;
1735
1736         g_free(ipdevice->proxy);
1737         ipdevice->proxy = g_strdup(method);
1738
1739         return 0;
1740 }
1741
1742 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
1743                                                         DBusMessageIter *iter)
1744 {
1745         struct connman_ipdevice *ipdevice;
1746         const char *method = "auto";
1747
1748         connman_dbus_dict_append_basic(iter, "Method",
1749                                                 DBUS_TYPE_STRING, &method);
1750
1751         ipdevice = g_hash_table_lookup(ipdevice_hash,
1752                                         GINT_TO_POINTER(ipconfig->index));
1753         if (ipdevice == NULL)
1754                 return;
1755
1756         if (ipdevice->ifname != NULL)
1757                 connman_dbus_dict_append_basic(iter, "Interface",
1758                                         DBUS_TYPE_STRING, &ipdevice->ifname);
1759
1760         if (ipdevice->address != NULL)
1761                 connman_dbus_dict_append_basic(iter, "Address",
1762                                         DBUS_TYPE_STRING, &ipdevice->address);
1763
1764         if (ipdevice->mtu > 0)
1765                 connman_dbus_dict_append_basic(iter, "MTU",
1766                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
1767 }
1768
1769 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
1770                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1771 {
1772         const char *method;
1773         char *key;
1774
1775         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1776
1777         key = g_strdup_printf("%smethod", prefix);
1778         method = g_key_file_get_string(keyfile, identifier, key, NULL);
1779         if (method == NULL) {
1780                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1781                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
1782                 else
1783                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
1784         } else
1785                 ipconfig->method = __connman_ipconfig_string2method(method);
1786         g_free(key);
1787
1788         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1789         ipconfig->address->prefixlen = g_key_file_get_integer(
1790                                 keyfile, identifier, key, NULL);
1791         g_free(key);
1792
1793         key = g_strdup_printf("%slocal_address", prefix);
1794         ipconfig->address->local = g_key_file_get_string(
1795                         keyfile, identifier, key, NULL);
1796         g_free(key);
1797
1798         key = g_strdup_printf("%speer_address", prefix);
1799         ipconfig->address->peer = g_key_file_get_string(
1800                                 keyfile, identifier, key, NULL);
1801         g_free(key);
1802
1803         key = g_strdup_printf("%sbroadcast_address", prefix);
1804         ipconfig->address->broadcast = g_key_file_get_string(
1805                                 keyfile, identifier, key, NULL);
1806         g_free(key);
1807
1808         key = g_strdup_printf("%sgateway", prefix);
1809         ipconfig->address->gateway = g_key_file_get_string(
1810                                 keyfile, identifier, key, NULL);
1811         g_free(key);
1812
1813         return 0;
1814 }
1815
1816 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
1817                 GKeyFile *keyfile, const char *identifier, const char *prefix)
1818 {
1819         const char *method;
1820         char *key;
1821
1822         DBG("ipconfig %p identifier %s", ipconfig, identifier);
1823
1824         method = __connman_ipconfig_method2string(ipconfig->method);
1825
1826         key = g_strdup_printf("%smethod", prefix);
1827         g_key_file_set_string(keyfile, identifier, key, method);
1828         g_free(key);
1829
1830         key = g_strdup_printf("%snetmask_prefixlen", prefix);
1831         g_key_file_set_integer(keyfile, identifier,
1832                         key, ipconfig->address->prefixlen);
1833         g_free(key);
1834
1835         key = g_strdup_printf("%slocal_address", prefix);
1836         if (ipconfig->address->local != NULL)
1837                 g_key_file_set_string(keyfile, identifier,
1838                                 key, ipconfig->address->local);
1839         g_free(key);
1840
1841         key = g_strdup_printf("%speer_address", prefix);
1842         if (ipconfig->address->peer != NULL)
1843                 g_key_file_set_string(keyfile, identifier,
1844                                 key, ipconfig->address->peer);
1845         g_free(key);
1846
1847         key = g_strdup_printf("%sbroadcast_address", prefix);
1848         if (ipconfig->address->broadcast != NULL)
1849                 g_key_file_set_string(keyfile, identifier,
1850                         key, ipconfig->address->broadcast);
1851         g_free(key);
1852
1853         key = g_strdup_printf("%sgateway", prefix);
1854         if (ipconfig->address->gateway != NULL)
1855                 g_key_file_set_string(keyfile, identifier,
1856                         key, ipconfig->address->gateway);
1857         g_free(key);
1858
1859         return 0;
1860 }
1861
1862 int __connman_ipconfig_init(void)
1863 {
1864         DBG("");
1865
1866         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
1867                                                         NULL, free_ipdevice);
1868
1869         return 0;
1870 }
1871
1872 void __connman_ipconfig_cleanup(void)
1873 {
1874         DBG("");
1875
1876         g_hash_table_destroy(ipdevice_hash);
1877         ipdevice_hash = NULL;
1878 }