src/ipconfig.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 <errno.h>
  27 #include <stdio.h>
  28 #include <net/if.h>
  29 #include <net/if_arp.h>
  30 #include <linux/if_link.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33
  34 #ifndef IFF_LOWER_UP
  35 #define IFF_LOWER_UP    0x10000
  36 #endif
  37
  38 #include <gdbus.h>
  39 #include <connman/ipaddress.h>
  40
  41 #include "connman.h"
  42
  43 struct connman_ipconfig {
  44         int refcount;
  45         int index;
  46         enum connman_ipconfig_type type;
  47
  48         struct connman_ipconfig *origin;
  49
  50         const struct connman_ipconfig_ops *ops;
  51         void *ops_data;
  52
  53         connman_bool_t enabled;
  54         enum connman_ipconfig_method method;
  55         struct connman_ipaddress *address;
  56         struct connman_ipaddress *system;
  57
  58         int ipv6_privacy_config;
  59         char *last_dhcp_address;
  60 };
  61
  62 struct connman_ipdevice {
  63         int index;
  64         char *ifname;
  65         unsigned short type;
  66         unsigned int flags;
  67         char *address;
  68         uint16_t mtu;
  69         uint32_t rx_packets;
  70         uint32_t tx_packets;
  71         uint32_t rx_bytes;
  72         uint32_t tx_bytes;
  73         uint32_t rx_errors;
  74         uint32_t tx_errors;
  75         uint32_t rx_dropped;
  76         uint32_t tx_dropped;
  77
  78         GSList *address_list;
  79         char *ipv4_gateway;
  80         char *ipv6_gateway;
  81
  82         char *pac;
  83
  84         struct connman_ipconfig *config_ipv4;
  85         struct connman_ipconfig *config_ipv6;
  86
  87         gboolean ipv6_enabled;
  88         int ipv6_privacy;
  89 };
  90
  91 static GHashTable *ipdevice_hash = NULL;
  92 static GList *ipconfig_list = NULL;
  93 static connman_bool_t is_ipv6_supported = FALSE;
  94
  95 void __connman_ipconfig_clear_address(struct connman_ipconfig *ipconfig)
  96 {
  97         if (ipconfig == NULL)
  98                 return;
  99
 100         connman_ipaddress_clear(ipconfig->address);
 101 }
 102
 103 static void free_address_list(struct connman_ipdevice *ipdevice)
 104 {
 105         GSList *list;
 106
 107         for (list = ipdevice->address_list; list; list = list->next) {
 108                 struct connman_ipaddress *ipaddress = list->data;
 109
 110                 connman_ipaddress_free(ipaddress);
 111                 list->data = NULL;
 112         }
 113
 114         g_slist_free(ipdevice->address_list);
 115         ipdevice->address_list = NULL;
 116 }
 117
 118 static struct connman_ipaddress *find_ipaddress(struct connman_ipdevice *ipdevice,
 119                                 unsigned char prefixlen, const char *local)
 120 {
 121         GSList *list;
 122
 123         for (list = ipdevice->address_list; list; list = list->next) {
 124                 struct connman_ipaddress *ipaddress = list->data;
 125
 126                 if (g_strcmp0(ipaddress->local, local) == 0 &&
 127                                         ipaddress->prefixlen == prefixlen)
 128                         return ipaddress;
 129         }
 130
 131         return NULL;
 132 }
 133
 134 const char *__connman_ipconfig_type2string(enum connman_ipconfig_type type)
 135 {
 136         switch (type) {
 137         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 138                 return "unknown";
 139         case CONNMAN_IPCONFIG_TYPE_IPV4:
 140                 return "IPv4";
 141         case CONNMAN_IPCONFIG_TYPE_IPV6:
 142                 return "IPv6";
 143         }
 144
 145         return NULL;
 146 }
 147
 148 static const char *type2str(unsigned short type)
 149 {
 150         switch (type) {
 151         case ARPHRD_ETHER:
 152                 return "ETHER";
 153         case ARPHRD_LOOPBACK:
 154                 return "LOOPBACK";
 155         case ARPHRD_PPP:
 156                 return "PPP";
 157         case ARPHRD_NONE:
 158                 return "NONE";
 159         case ARPHRD_VOID:
 160                 return "VOID";
 161         }
 162
 163         return "";
 164 }
 165
 166 static const char *scope2str(unsigned char scope)
 167 {
 168         switch (scope) {
 169         case 0:
 170                 return "UNIVERSE";
 171         case 253:
 172                 return "LINK";
 173         }
 174
 175         return "";
 176 }
 177
 178 static gboolean get_ipv6_state(gchar *ifname)
 179 {
 180         int disabled;
 181         gchar *path;
 182         FILE *f;
 183         gboolean enabled = FALSE;
 184
 185         if (ifname == NULL)
 186                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 187         else
 188                 path = g_strdup_printf(
 189                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 190
 191         if (path == NULL)
 192                 return enabled;
 193
 194         f = fopen(path, "r");
 195
 196         g_free(path);
 197
 198         if (f != NULL) {
 199                 if (fscanf(f, "%d", &disabled) > 0)
 200                         enabled = !disabled;
 201                 fclose(f);
 202         }
 203
 204         return enabled;
 205 }
 206
 207 static void set_ipv6_state(gchar *ifname, gboolean enable)
 208 {
 209         gchar *path;
 210         FILE *f;
 211
 212         if (ifname == NULL)
 213                 path = g_strdup("/proc/sys/net/ipv6/conf/all/disable_ipv6");
 214         else
 215                 path = g_strdup_printf(
 216                         "/proc/sys/net/ipv6/conf/%s/disable_ipv6", ifname);
 217
 218         if (path == NULL)
 219                 return;
 220
 221         f = fopen(path, "r+");
 222
 223         g_free(path);
 224
 225         if (f == NULL)
 226                 return;
 227
 228         if (enable == FALSE)
 229                 fprintf(f, "1");
 230         else
 231                 fprintf(f, "0");
 232
 233         fclose(f);
 234 }
 235
 236 static int get_ipv6_privacy(gchar *ifname)
 237 {
 238         gchar *path;
 239         FILE *f;
 240         int value;
 241
 242         if (ifname == NULL)
 243                 return 0;
 244
 245         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 246                                                                 ifname);
 247
 248         if (path == NULL)
 249                 return 0;
 250
 251         f = fopen(path, "r");
 252
 253         g_free(path);
 254
 255         if (f == NULL)
 256                 return 0;
 257
 258         if (fscanf(f, "%d", &value) <= 0)
 259                 value = 0;
 260
 261         fclose(f);
 262
 263         return value;
 264 }
 265
 266 /* Enable the IPv6 privacy extension for stateless address autoconfiguration.
 267  * The privacy extension is described in RFC 3041 and RFC 4941
 268  */
 269 static void set_ipv6_privacy(gchar *ifname, int value)
 270 {
 271         gchar *path;
 272         FILE *f;
 273
 274         if (ifname == NULL)
 275                 return;
 276
 277         path = g_strdup_printf("/proc/sys/net/ipv6/conf/%s/use_tempaddr",
 278                                                                 ifname);
 279
 280         if (path == NULL)
 281                 return;
 282
 283         if (value < 0)
 284                 value = 0;
 285
 286         f = fopen(path, "r+");
 287
 288         g_free(path);
 289
 290         if (f == NULL)
 291                 return;
 292
 293         fprintf(f, "%d", value);
 294         fclose(f);
 295 }
 296
 297 static int get_rp_filter()
 298 {
 299         FILE *f;
 300         int value = -EINVAL, tmp;
 301
 302         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r");
 303
 304         if (f != NULL) {
 305                 if (fscanf(f, "%d", &tmp) == 1)
 306                         value = tmp;
 307                 fclose(f);
 308         }
 309
 310         return value;
 311 }
 312
 313 static void set_rp_filter(int value)
 314 {
 315         FILE *f;
 316
 317         f = fopen("/proc/sys/net/ipv4/conf/all/rp_filter", "r+");
 318
 319         if (f == NULL)
 320                 return;
 321
 322         fprintf(f, "%d", value);
 323
 324         fclose(f);
 325 }
 326
 327 int __connman_ipconfig_set_rp_filter()
 328 {
 329         int value;
 330
 331         value = get_rp_filter();
 332
 333         if (value < 0)
 334                 return value;
 335
 336         set_rp_filter(2);
 337
 338         connman_info("rp_filter set to 2 (loose mode routing), "
 339                         "old value was %d", value);
 340
 341         return value;
 342 }
 343
 344 void __connman_ipconfig_unset_rp_filter(int old_value)
 345 {
 346         set_rp_filter(old_value);
 347
 348         connman_info("rp_filter restored to %d", old_value);
 349 }
 350
 351 gboolean __connman_ipconfig_ipv6_privacy_enabled(struct connman_ipconfig *ipconfig)
 352 {
 353         if (ipconfig == NULL)
 354                 return FALSE;
 355
 356         return ipconfig->ipv6_privacy_config == 0 ? FALSE : TRUE;
 357 }
 358
 359 static void free_ipdevice(gpointer data)
 360 {
 361         struct connman_ipdevice *ipdevice = data;
 362
 363         connman_info("%s {remove} index %d", ipdevice->ifname,
 364                                                         ipdevice->index);
 365
 366         if (ipdevice->config_ipv4 != NULL) {
 367                 __connman_ipconfig_unref(ipdevice->config_ipv4);
 368                 ipdevice->config_ipv4 = NULL;
 369         }
 370
 371         if (ipdevice->config_ipv6 != NULL) {
 372                 __connman_ipconfig_unref(ipdevice->config_ipv6);
 373                 ipdevice->config_ipv6 = NULL;
 374         }
 375
 376         free_address_list(ipdevice);
 377         g_free(ipdevice->ipv4_gateway);
 378         g_free(ipdevice->ipv6_gateway);
 379         g_free(ipdevice->pac);
 380
 381         g_free(ipdevice->address);
 382
 383         set_ipv6_state(ipdevice->ifname, ipdevice->ipv6_enabled);
 384         set_ipv6_privacy(ipdevice->ifname, ipdevice->ipv6_privacy);
 385
 386         g_free(ipdevice->ifname);
 387         g_free(ipdevice);
 388 }
 389
 390 static void __connman_ipconfig_lower_up(struct connman_ipdevice *ipdevice)
 391 {
 392         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 393                                         ipdevice->config_ipv6);
 394
 395         if (ipdevice->config_ipv6 != NULL &&
 396                         ipdevice->config_ipv6->enabled == TRUE)
 397                 return;
 398
 399         if (ipdevice->ifname == NULL)
 400                 return;
 401
 402         if (__connman_device_isfiltered(ipdevice->ifname) == FALSE) {
 403                 ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 404                 set_ipv6_state(ipdevice->ifname, FALSE);
 405         }
 406 }
 407
 408 static void __connman_ipconfig_lower_down(struct connman_ipdevice *ipdevice)
 409 {
 410         DBG("ipconfig ipv4 %p ipv6 %p", ipdevice->config_ipv4,
 411                                         ipdevice->config_ipv6);
 412
 413         if (ipdevice->config_ipv4)
 414                 connman_inet_clear_address(ipdevice->index,
 415                                         ipdevice->config_ipv4->address);
 416
 417         if (ipdevice->config_ipv6)
 418                 connman_inet_clear_ipv6_address(ipdevice->index,
 419                                 ipdevice->config_ipv6->address->local,
 420                                 ipdevice->config_ipv6->address->prefixlen);
 421 }
 422
 423 static void update_stats(struct connman_ipdevice *ipdevice,
 424                                                 struct rtnl_link_stats *stats)
 425 {
 426         struct connman_service *service;
 427
 428         if (stats->rx_packets == 0 && stats->tx_packets == 0)
 429                 return;
 430
 431         connman_info("%s {RX} %u packets %u bytes", ipdevice->ifname,
 432                                         stats->rx_packets, stats->rx_bytes);
 433         connman_info("%s {TX} %u packets %u bytes", ipdevice->ifname,
 434                                         stats->tx_packets, stats->tx_bytes);
 435
 436         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
 437                 return;
 438
 439         if (ipdevice->config_ipv4)
 440                 service = __connman_ipconfig_get_data(ipdevice->config_ipv4);
 441         else if (ipdevice->config_ipv6)
 442                 service = __connman_ipconfig_get_data(ipdevice->config_ipv6);
 443         else
 444                 return;
 445
 446         if (service == NULL)
 447                 return;
 448
 449         ipdevice->rx_packets = stats->rx_packets;
 450         ipdevice->tx_packets = stats->tx_packets;
 451         ipdevice->rx_bytes = stats->rx_bytes;
 452         ipdevice->tx_bytes = stats->tx_bytes;
 453         ipdevice->rx_errors = stats->rx_errors;
 454         ipdevice->tx_errors = stats->tx_errors;
 455         ipdevice->rx_dropped = stats->rx_dropped;
 456         ipdevice->tx_dropped = stats->tx_dropped;
 457
 458         __connman_service_notify(service,
 459                                 ipdevice->rx_packets, ipdevice->tx_packets,
 460                                 ipdevice->rx_bytes, ipdevice->tx_bytes,
 461                                 ipdevice->rx_errors, ipdevice->tx_errors,
 462                                 ipdevice->rx_dropped, ipdevice->tx_dropped);
 463 }
 464
 465 void __connman_ipconfig_newlink(int index, unsigned short type,
 466                                 unsigned int flags, const char *address,
 467                                                         unsigned short mtu,
 468                                                 struct rtnl_link_stats *stats)
 469 {
 470         struct connman_ipdevice *ipdevice;
 471         GList *list;
 472         GString *str;
 473         gboolean up = FALSE, down = FALSE;
 474         gboolean lower_up = FALSE, lower_down = FALSE;
 475
 476         DBG("index %d", index);
 477
 478         if (type == ARPHRD_LOOPBACK)
 479                 return;
 480
 481         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 482         if (ipdevice != NULL) {
 483                 char *ifname = connman_inet_ifname(index);
 484                 if (g_strcmp0(ipdevice->ifname, ifname) != 0) {
 485                         DBG("interface name changed %s -> %s",
 486                                 ipdevice->ifname, ifname);
 487
 488                         g_free(ipdevice->ifname);
 489                         ipdevice->ifname = ifname;
 490                 } else
 491                         g_free(ifname);
 492
 493                 goto update;
 494         }
 495
 496         ipdevice = g_try_new0(struct connman_ipdevice, 1);
 497         if (ipdevice == NULL)
 498                 return;
 499
 500         ipdevice->index = index;
 501         ipdevice->ifname = connman_inet_ifname(index);
 502         ipdevice->type = type;
 503
 504         ipdevice->ipv6_enabled = get_ipv6_state(ipdevice->ifname);
 505         ipdevice->ipv6_privacy = get_ipv6_privacy(ipdevice->ifname);
 506
 507         ipdevice->address = g_strdup(address);
 508
 509         g_hash_table_insert(ipdevice_hash, GINT_TO_POINTER(index), ipdevice);
 510
 511         connman_info("%s {create} index %d type %d <%s>", ipdevice->ifname,
 512                                                 index, type, type2str(type));
 513
 514 update:
 515         ipdevice->mtu = mtu;
 516
 517         update_stats(ipdevice, stats);
 518
 519         if (flags == ipdevice->flags)
 520                 return;
 521
 522         if ((ipdevice->flags & IFF_UP) != (flags & IFF_UP)) {
 523                 if (flags & IFF_UP)
 524                         up = TRUE;
 525                 else
 526                         down = TRUE;
 527         }
 528
 529         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) !=
 530                                 (flags & (IFF_RUNNING | IFF_LOWER_UP))) {
 531                 if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
 532                                         (IFF_RUNNING | IFF_LOWER_UP))
 533                         lower_up = TRUE;
 534                 else if ((flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
 535                         lower_down = TRUE;
 536         }
 537
 538         ipdevice->flags = flags;
 539
 540         str = g_string_new(NULL);
 541         if (str == NULL)
 542                 return;
 543
 544         if (flags & IFF_UP)
 545                 g_string_append(str, "UP");
 546         else
 547                 g_string_append(str, "DOWN");
 548
 549         if (flags & IFF_RUNNING)
 550                 g_string_append(str, ",RUNNING");
 551
 552         if (flags & IFF_LOWER_UP)
 553                 g_string_append(str, ",LOWER_UP");
 554
 555         connman_info("%s {update} flags %u <%s>", ipdevice->ifname,
 556                                                         flags, str->str);
 557
 558         g_string_free(str, TRUE);
 559
 560         for (list = g_list_first(ipconfig_list); list;
 561                                                 list = g_list_next(list)) {
 562                 struct connman_ipconfig *ipconfig = list->data;
 563
 564                 if (index != ipconfig->index)
 565                         continue;
 566
 567                 if (ipconfig->ops == NULL)
 568                         continue;
 569
 570                 if (up == TRUE && ipconfig->ops->up)
 571                         ipconfig->ops->up(ipconfig);
 572                 if (lower_up == TRUE && ipconfig->ops->lower_up)
 573                         ipconfig->ops->lower_up(ipconfig);
 574
 575                 if (lower_down == TRUE && ipconfig->ops->lower_down)
 576                         ipconfig->ops->lower_down(ipconfig);
 577                 if (down == TRUE && ipconfig->ops->down)
 578                         ipconfig->ops->down(ipconfig);
 579         }
 580
 581         if (lower_up)
 582                 __connman_ipconfig_lower_up(ipdevice);
 583         if (lower_down)
 584                 __connman_ipconfig_lower_down(ipdevice);
 585 }
 586
 587 void __connman_ipconfig_dellink(int index, struct rtnl_link_stats *stats)
 588 {
 589         struct connman_ipdevice *ipdevice;
 590         GList *list;
 591
 592         DBG("index %d", index);
 593
 594         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 595         if (ipdevice == NULL)
 596                 return;
 597
 598         update_stats(ipdevice, stats);
 599
 600         for (list = g_list_first(ipconfig_list); list;
 601                                                 list = g_list_next(list)) {
 602                 struct connman_ipconfig *ipconfig = list->data;
 603
 604                 if (index != ipconfig->index)
 605                         continue;
 606
 607                 ipconfig->index = -1;
 608
 609                 if (ipconfig->ops == NULL)
 610                         continue;
 611
 612                 if (ipconfig->ops->lower_down)
 613                         ipconfig->ops->lower_down(ipconfig);
 614                 if (ipconfig->ops->down)
 615                         ipconfig->ops->down(ipconfig);
 616         }
 617
 618         __connman_ipconfig_lower_down(ipdevice);
 619
 620         g_hash_table_remove(ipdevice_hash, GINT_TO_POINTER(index));
 621 }
 622
 623 static inline gint check_duplicate_address(gconstpointer a, gconstpointer b)
 624 {
 625         const struct connman_ipaddress *addr1 = a;
 626         const struct connman_ipaddress *addr2 = b;
 627
 628         if (addr1->prefixlen != addr2->prefixlen)
 629                 return addr2->prefixlen - addr1->prefixlen;
 630
 631         return g_strcmp0(addr1->local, addr2->local);
 632 }
 633
 634 void __connman_ipconfig_newaddr(int index, int family, const char *label,
 635                                 unsigned char prefixlen, const char *address)
 636 {
 637         struct connman_ipdevice *ipdevice;
 638         struct connman_ipaddress *ipaddress;
 639         enum connman_ipconfig_type type;
 640         GList *list;
 641
 642         DBG("index %d", index);
 643
 644         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 645         if (ipdevice == NULL)
 646                 return;
 647
 648         ipaddress = connman_ipaddress_alloc(family);
 649         if (ipaddress == NULL)
 650                 return;
 651
 652         ipaddress->prefixlen = prefixlen;
 653         ipaddress->local = g_strdup(address);
 654
 655         if (g_slist_find_custom(ipdevice->address_list, ipaddress,
 656                                         check_duplicate_address)) {
 657                 connman_ipaddress_free(ipaddress);
 658                 return;
 659         }
 660
 661         if (family == AF_INET)
 662                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 663         else if (family == AF_INET6)
 664                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 665         else
 666                 return;
 667
 668         ipdevice->address_list = g_slist_prepend(ipdevice->address_list,
 669                                                                 ipaddress);
 670
 671         connman_info("%s {add} address %s/%u label %s family %d",
 672                 ipdevice->ifname, address, prefixlen, label, family);
 673
 674         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 675                 __connman_ippool_newaddr(index, address, prefixlen);
 676
 677         if (ipdevice->config_ipv4 != NULL && family == AF_INET)
 678                 connman_ipaddress_copy(ipdevice->config_ipv4->system,
 679                                         ipaddress);
 680
 681         else if (ipdevice->config_ipv6 != NULL && family == AF_INET6)
 682                 connman_ipaddress_copy(ipdevice->config_ipv6->system,
 683                                         ipaddress);
 684         else
 685                 return;
 686
 687         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 688                 return;
 689
 690         for (list = g_list_first(ipconfig_list); list;
 691                                                 list = g_list_next(list)) {
 692                 struct connman_ipconfig *ipconfig = list->data;
 693
 694                 if (index != ipconfig->index)
 695                         continue;
 696
 697                 if (type != ipconfig->type)
 698                         continue;
 699
 700                 if (ipconfig->ops == NULL)
 701                         continue;
 702
 703                 if (ipconfig->ops->ip_bound)
 704                         ipconfig->ops->ip_bound(ipconfig);
 705         }
 706 }
 707
 708 void __connman_ipconfig_deladdr(int index, int family, const char *label,
 709                                 unsigned char prefixlen, const char *address)
 710 {
 711         struct connman_ipdevice *ipdevice;
 712         struct connman_ipaddress *ipaddress;
 713         enum connman_ipconfig_type type;
 714         GList *list;
 715
 716         DBG("index %d", index);
 717
 718         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 719         if (ipdevice == NULL)
 720                 return;
 721
 722         ipaddress = find_ipaddress(ipdevice, prefixlen, address);
 723         if (ipaddress == NULL)
 724                 return;
 725
 726         if (family == AF_INET)
 727                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
 728         else if (family == AF_INET6)
 729                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
 730         else
 731                 return;
 732
 733         ipdevice->address_list = g_slist_remove(ipdevice->address_list,
 734                                                                 ipaddress);
 735
 736         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 737                 __connman_ippool_deladdr(index, address, prefixlen);
 738
 739         connman_ipaddress_clear(ipaddress);
 740         g_free(ipaddress);
 741
 742         connman_info("%s {del} address %s/%u label %s", ipdevice->ifname,
 743                                                 address, prefixlen, label);
 744
 745         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) != (IFF_RUNNING | IFF_LOWER_UP))
 746                 return;
 747
 748         if (g_slist_length(ipdevice->address_list) > 0)
 749                 return;
 750
 751         for (list = g_list_first(ipconfig_list); list;
 752                                                 list = g_list_next(list)) {
 753                 struct connman_ipconfig *ipconfig = list->data;
 754
 755                 if (index != ipconfig->index)
 756                         continue;
 757
 758                 if (type != ipconfig->type)
 759                         continue;
 760
 761                 if (ipconfig->ops == NULL)
 762                         continue;
 763
 764                 if (ipconfig->ops->ip_release)
 765                         ipconfig->ops->ip_release(ipconfig);
 766         }
 767 }
 768
 769 void __connman_ipconfig_newroute(int index, int family, unsigned char scope,
 770                                         const char *dst, const char *gateway)
 771 {
 772         struct connman_ipdevice *ipdevice;
 773
 774         DBG("index %d", index);
 775
 776         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 777         if (ipdevice == NULL)
 778                 return;
 779
 780         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 781                                                 g_strcmp0(dst, "::") == 0)) {
 782                 GList *config_list;
 783                 enum connman_ipconfig_type type;
 784
 785                 if (family == AF_INET6) {
 786                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 787                         g_free(ipdevice->ipv6_gateway);
 788                         ipdevice->ipv6_gateway = g_strdup(gateway);
 789
 790                         if (ipdevice->config_ipv6 != NULL &&
 791                                 ipdevice->config_ipv6->system != NULL) {
 792                                 g_free(ipdevice->config_ipv6->system->gateway);
 793                                 ipdevice->config_ipv6->system->gateway =
 794                                         g_strdup(gateway);
 795                         }
 796                 } else if (family == AF_INET) {
 797                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 798                         g_free(ipdevice->ipv4_gateway);
 799                         ipdevice->ipv4_gateway = g_strdup(gateway);
 800
 801                         if (ipdevice->config_ipv4 != NULL &&
 802                                 ipdevice->config_ipv4->system != NULL) {
 803                                 g_free(ipdevice->config_ipv4->system->gateway);
 804                                 ipdevice->config_ipv4->system->gateway =
 805                                         g_strdup(gateway);
 806                         }
 807                 } else
 808                         return;
 809
 810                 for (config_list = g_list_first(ipconfig_list); config_list;
 811                                         config_list = g_list_next(config_list)) {
 812                         struct connman_ipconfig *ipconfig = config_list->data;
 813
 814                         if (index != ipconfig->index)
 815                                 continue;
 816
 817                         if (type != ipconfig->type)
 818                                 continue;
 819
 820                         if (ipconfig->ops == NULL)
 821                                 continue;
 822
 823                         if (ipconfig->ops->route_set)
 824                                 ipconfig->ops->route_set(ipconfig);
 825                 }
 826         }
 827
 828         connman_info("%s {add} route %s gw %s scope %u <%s>",
 829                                         ipdevice->ifname, dst, gateway,
 830                                                 scope, scope2str(scope));
 831 }
 832
 833 void __connman_ipconfig_delroute(int index, int family, unsigned char scope,
 834                                         const char *dst, const char *gateway)
 835 {
 836         struct connman_ipdevice *ipdevice;
 837
 838         DBG("index %d", index);
 839
 840         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 841         if (ipdevice == NULL)
 842                 return;
 843
 844         if (scope == 0 && (g_strcmp0(dst, "0.0.0.0") == 0 ||
 845                                                 g_strcmp0(dst, "::") == 0)) {
 846                 GList *config_list;
 847                 enum connman_ipconfig_type type;
 848
 849                 if (family == AF_INET6) {
 850                         type = CONNMAN_IPCONFIG_TYPE_IPV6;
 851                         g_free(ipdevice->ipv6_gateway);
 852                         ipdevice->ipv6_gateway = NULL;
 853
 854                         if (ipdevice->config_ipv6 != NULL &&
 855                                 ipdevice->config_ipv6->system != NULL) {
 856                                 g_free(ipdevice->config_ipv6->system->gateway);
 857                                 ipdevice->config_ipv6->system->gateway = NULL;
 858                         }
 859                 } else if (family == AF_INET) {
 860                         type = CONNMAN_IPCONFIG_TYPE_IPV4;
 861                         g_free(ipdevice->ipv4_gateway);
 862                         ipdevice->ipv4_gateway = NULL;
 863
 864                         if (ipdevice->config_ipv4 != NULL &&
 865                                 ipdevice->config_ipv4->system != NULL) {
 866                                 g_free(ipdevice->config_ipv4->system->gateway);
 867                                 ipdevice->config_ipv4->system->gateway = NULL;
 868                         }
 869                 } else
 870                         return;
 871
 872                 for (config_list = g_list_first(ipconfig_list); config_list;
 873                                         config_list = g_list_next(config_list)) {
 874                         struct connman_ipconfig *ipconfig = config_list->data;
 875
 876                         if (index != ipconfig->index)
 877                                 continue;
 878
 879                         if (type != ipconfig->type)
 880                                 continue;
 881
 882                         if (ipconfig->ops == NULL)
 883                                 continue;
 884
 885                         if (ipconfig->ops->route_unset)
 886                                 ipconfig->ops->route_unset(ipconfig);
 887                 }
 888         }
 889
 890         connman_info("%s {del} route %s gw %s scope %u <%s>",
 891                                         ipdevice->ifname, dst, gateway,
 892                                                 scope, scope2str(scope));
 893 }
 894
 895 void __connman_ipconfig_foreach(void (*function) (int index, void *user_data),
 896                                                         void *user_data)
 897 {
 898         GList *list, *keys;
 899
 900         keys = g_hash_table_get_keys(ipdevice_hash);
 901         if (keys == NULL)
 902                 return;
 903
 904         for (list = g_list_first(keys); list; list = g_list_next(list)) {
 905                 int index = GPOINTER_TO_INT(list->data);
 906
 907                 function(index, user_data);
 908         }
 909
 910         g_list_free(keys);
 911 }
 912
 913 enum connman_ipconfig_type __connman_ipconfig_get_config_type(
 914                                         struct connman_ipconfig *ipconfig)
 915 {
 916         return ipconfig ? ipconfig->type : CONNMAN_IPCONFIG_TYPE_UNKNOWN;
 917 }
 918
 919 unsigned short __connman_ipconfig_get_type_from_index(int index)
 920 {
 921         struct connman_ipdevice *ipdevice;
 922
 923         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 924         if (ipdevice == NULL)
 925                 return ARPHRD_VOID;
 926
 927         return ipdevice->type;
 928 }
 929
 930 unsigned int __connman_ipconfig_get_flags_from_index(int index)
 931 {
 932         struct connman_ipdevice *ipdevice;
 933
 934         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 935         if (ipdevice == NULL)
 936                 return 0;
 937
 938         return ipdevice->flags;
 939 }
 940
 941 const char *__connman_ipconfig_get_gateway_from_index(int index,
 942         enum connman_ipconfig_type type)
 943 {
 944         struct connman_ipdevice *ipdevice;
 945
 946         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
 947         if (ipdevice == NULL)
 948                 return NULL;
 949
 950         if (type != CONNMAN_IPCONFIG_TYPE_IPV6) {
 951                 if (ipdevice->ipv4_gateway != NULL)
 952                         return ipdevice->ipv4_gateway;
 953
 954                 if (ipdevice->config_ipv4 != NULL &&
 955                                 ipdevice->config_ipv4->address != NULL)
 956                         return ipdevice->config_ipv4->address->gateway;
 957         }
 958
 959         if (type != CONNMAN_IPCONFIG_TYPE_IPV4) {
 960                 if (ipdevice->ipv6_gateway != NULL)
 961                         return ipdevice->ipv6_gateway;
 962
 963                 if (ipdevice->config_ipv6 != NULL &&
 964                                 ipdevice->config_ipv6->address != NULL)
 965                         return ipdevice->config_ipv6->address->gateway;
 966         }
 967
 968         return NULL;
 969 }
 970
 971 void __connman_ipconfig_set_index(struct connman_ipconfig *ipconfig, int index)
 972 {
 973         ipconfig->index = index;
 974 }
 975
 976 const char *__connman_ipconfig_get_local(struct connman_ipconfig *ipconfig)
 977 {
 978         if (ipconfig->address == NULL)
 979                 return NULL;
 980
 981         return ipconfig->address->local;
 982 }
 983
 984 void __connman_ipconfig_set_local(struct connman_ipconfig *ipconfig, const char *address)
 985 {
 986         if (ipconfig->address == NULL)
 987                 return;
 988
 989         g_free(ipconfig->address->local);
 990         ipconfig->address->local = g_strdup(address);
 991 }
 992
 993 const char *__connman_ipconfig_get_peer(struct connman_ipconfig *ipconfig)
 994 {
 995         if (ipconfig->address == NULL)
 996                 return NULL;
 997
 998         return ipconfig->address->peer;
 999 }
1000
1001 void __connman_ipconfig_set_peer(struct connman_ipconfig *ipconfig, const char *address)
1002 {
1003         if (ipconfig->address == NULL)
1004                 return;
1005
1006         g_free(ipconfig->address->peer);
1007         ipconfig->address->peer = g_strdup(address);
1008 }
1009
1010 const char *__connman_ipconfig_get_broadcast(struct connman_ipconfig *ipconfig)
1011 {
1012         if (ipconfig->address == NULL)
1013                 return NULL;
1014
1015         return ipconfig->address->broadcast;
1016 }
1017
1018 void __connman_ipconfig_set_broadcast(struct connman_ipconfig *ipconfig, const char *broadcast)
1019 {
1020         if (ipconfig->address == NULL)
1021                 return;
1022
1023         g_free(ipconfig->address->broadcast);
1024         ipconfig->address->broadcast = g_strdup(broadcast);
1025 }
1026
1027 const char *__connman_ipconfig_get_gateway(struct connman_ipconfig *ipconfig)
1028 {
1029         if (ipconfig->address == NULL)
1030                 return NULL;
1031
1032         return ipconfig->address->gateway;
1033 }
1034
1035 void __connman_ipconfig_set_gateway(struct connman_ipconfig *ipconfig, const char *gateway)
1036 {
1037         DBG("");
1038
1039         if (ipconfig->address == NULL)
1040                 return;
1041         g_free(ipconfig->address->gateway);
1042         ipconfig->address->gateway = g_strdup(gateway);
1043 }
1044
1045 int __connman_ipconfig_gateway_add(struct connman_ipconfig *ipconfig)
1046 {
1047         struct connman_service *service;
1048
1049         DBG("");
1050
1051         if (ipconfig->address == NULL)
1052                 return -EINVAL;
1053
1054         service = __connman_service_lookup_from_index(ipconfig->index);
1055         if (service == NULL)
1056                 return -EINVAL;
1057
1058         __connman_connection_gateway_remove(service, ipconfig->type);
1059
1060         DBG("type %d gw %s peer %s", ipconfig->type,
1061                 ipconfig->address->gateway, ipconfig->address->peer);
1062
1063         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6 ||
1064                                 ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1065                 return __connman_connection_gateway_add(service,
1066                                                 ipconfig->address->gateway,
1067                                                 ipconfig->type,
1068                                                 ipconfig->address->peer);
1069
1070         return 0;
1071 }
1072
1073 void __connman_ipconfig_gateway_remove(struct connman_ipconfig *ipconfig)
1074 {
1075         struct connman_service *service;
1076
1077         DBG("");
1078
1079         service = __connman_service_lookup_from_index(ipconfig->index);
1080         if (service != NULL)
1081                 __connman_connection_gateway_remove(service, ipconfig->type);
1082 }
1083
1084 unsigned char __connman_ipconfig_get_prefixlen(struct connman_ipconfig *ipconfig)
1085 {
1086         if (ipconfig->address == NULL)
1087                 return 0;
1088
1089         return ipconfig->address->prefixlen;
1090 }
1091
1092 void __connman_ipconfig_set_prefixlen(struct connman_ipconfig *ipconfig, unsigned char prefixlen)
1093 {
1094         if (ipconfig->address == NULL)
1095                 return;
1096
1097         ipconfig->address->prefixlen = prefixlen;
1098 }
1099
1100 static struct connman_ipconfig *create_ipv6config(int index)
1101 {
1102         struct connman_ipconfig *ipv6config;
1103         struct connman_ipdevice *ipdevice;
1104
1105         DBG("index %d", index);
1106
1107         ipv6config = g_try_new0(struct connman_ipconfig, 1);
1108         if (ipv6config == NULL)
1109                 return NULL;
1110
1111         ipv6config->refcount = 1;
1112
1113         ipv6config->index = index;
1114         ipv6config->enabled = FALSE;
1115         ipv6config->type = CONNMAN_IPCONFIG_TYPE_IPV6;
1116
1117         if (is_ipv6_supported == FALSE)
1118                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_OFF;
1119         else
1120                 ipv6config->method = CONNMAN_IPCONFIG_METHOD_AUTO;
1121
1122         ipdevice = g_hash_table_lookup(ipdevice_hash, GINT_TO_POINTER(index));
1123         if (ipdevice != NULL)
1124                 ipv6config->ipv6_privacy_config = ipdevice->ipv6_privacy;
1125
1126         ipv6config->address = connman_ipaddress_alloc(AF_INET6);
1127         if (ipv6config->address == NULL) {
1128                 g_free(ipv6config);
1129                 return NULL;
1130         }
1131
1132         ipv6config->system = connman_ipaddress_alloc(AF_INET6);
1133
1134         DBG("ipconfig %p method %s", ipv6config,
1135                 __connman_ipconfig_method2string(ipv6config->method));
1136
1137         return ipv6config;
1138 }
1139
1140 /**
1141  * connman_ipconfig_create:
1142  *
1143  * Allocate a new ipconfig structure.
1144  *
1145  * Returns: a newly-allocated #connman_ipconfig structure
1146  */
1147 struct connman_ipconfig *__connman_ipconfig_create(int index,
1148                                         enum connman_ipconfig_type type)
1149 {
1150         struct connman_ipconfig *ipconfig;
1151
1152         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1153                 return create_ipv6config(index);
1154
1155         DBG("index %d", index);
1156
1157         ipconfig = g_try_new0(struct connman_ipconfig, 1);
1158         if (ipconfig == NULL)
1159                 return NULL;
1160
1161         ipconfig->refcount = 1;
1162
1163         ipconfig->index = index;
1164         ipconfig->enabled = FALSE;
1165         ipconfig->type = CONNMAN_IPCONFIG_TYPE_IPV4;
1166
1167         ipconfig->address = connman_ipaddress_alloc(AF_INET);
1168         if (ipconfig->address == NULL) {
1169                 g_free(ipconfig);
1170                 return NULL;
1171         }
1172
1173         ipconfig->system = connman_ipaddress_alloc(AF_INET);
1174
1175         DBG("ipconfig %p", ipconfig);
1176
1177         return ipconfig;
1178 }
1179
1180
1181 /**
1182  * connman_ipconfig_ref:
1183  * @ipconfig: ipconfig structure
1184  *
1185  * Increase reference counter of ipconfig
1186  */
1187 struct connman_ipconfig *
1188 __connman_ipconfig_ref_debug(struct connman_ipconfig *ipconfig,
1189                                 const char *file, int line, const char *caller)
1190 {
1191         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount + 1,
1192                 file, line, caller);
1193
1194         __sync_fetch_and_add(&ipconfig->refcount, 1);
1195
1196         return ipconfig;
1197 }
1198
1199 /**
1200  * connman_ipconfig_unref:
1201  * @ipconfig: ipconfig structure
1202  *
1203  * Decrease reference counter of ipconfig
1204  */
1205 void __connman_ipconfig_unref_debug(struct connman_ipconfig *ipconfig,
1206                                 const char *file, int line, const char *caller)
1207 {
1208         if (ipconfig == NULL)
1209                 return;
1210
1211         DBG("%p ref %d by %s:%d:%s()", ipconfig, ipconfig->refcount - 1,
1212                 file, line, caller);
1213
1214         if (__sync_fetch_and_sub(&ipconfig->refcount, 1) != 1)
1215                 return;
1216
1217         if (__connman_ipconfig_disable(ipconfig) < 0)
1218                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1219
1220         __connman_ipconfig_set_ops(ipconfig, NULL);
1221
1222         if (ipconfig->origin != NULL && ipconfig->origin != ipconfig) {
1223                 __connman_ipconfig_unref(ipconfig->origin);
1224                 ipconfig->origin = NULL;
1225         }
1226
1227         connman_ipaddress_free(ipconfig->system);
1228         connman_ipaddress_free(ipconfig->address);
1229         g_free(ipconfig->last_dhcp_address);
1230         g_free(ipconfig);
1231 }
1232
1233 /**
1234  * connman_ipconfig_get_data:
1235  * @ipconfig: ipconfig structure
1236  *
1237  * Get private data pointer
1238  */
1239 void *__connman_ipconfig_get_data(struct connman_ipconfig *ipconfig)
1240 {
1241         if (ipconfig == NULL)
1242                 return NULL;
1243
1244         return ipconfig->ops_data;
1245 }
1246
1247 /**
1248  * connman_ipconfig_set_data:
1249  * @ipconfig: ipconfig structure
1250  * @data: data pointer
1251  *
1252  * Set private data pointer
1253  */
1254 void __connman_ipconfig_set_data(struct connman_ipconfig *ipconfig, void *data)
1255 {
1256         ipconfig->ops_data = data;
1257 }
1258
1259 /**
1260  * connman_ipconfig_get_index:
1261  * @ipconfig: ipconfig structure
1262  *
1263  * Get interface index
1264  */
1265 int __connman_ipconfig_get_index(struct connman_ipconfig *ipconfig)
1266 {
1267         if (ipconfig == NULL)
1268                 return -1;
1269
1270         if (ipconfig->origin != NULL)
1271                 return ipconfig->origin->index;
1272
1273         return ipconfig->index;
1274 }
1275
1276 /**
1277  * connman_ipconfig_get_ifname:
1278  * @ipconfig: ipconfig structure
1279  *
1280  * Get interface name
1281  */
1282 const char *__connman_ipconfig_get_ifname(struct connman_ipconfig *ipconfig)
1283 {
1284         struct connman_ipdevice *ipdevice;
1285
1286         if (ipconfig == NULL)
1287                 return NULL;
1288
1289         if (ipconfig->index < 0)
1290                 return NULL;
1291
1292         ipdevice = g_hash_table_lookup(ipdevice_hash,
1293                                         GINT_TO_POINTER(ipconfig->index));
1294         if (ipdevice == NULL)
1295                 return NULL;
1296
1297         return ipdevice->ifname;
1298 }
1299
1300 /**
1301  * connman_ipconfig_set_ops:
1302  * @ipconfig: ipconfig structure
1303  * @ops: operation callbacks
1304  *
1305  * Set the operation callbacks
1306  */
1307 void __connman_ipconfig_set_ops(struct connman_ipconfig *ipconfig,
1308                                 const struct connman_ipconfig_ops *ops)
1309 {
1310         ipconfig->ops = ops;
1311 }
1312
1313 /**
1314  * connman_ipconfig_set_method:
1315  * @ipconfig: ipconfig structure
1316  * @method: configuration method
1317  *
1318  * Set the configuration method
1319  */
1320 int __connman_ipconfig_set_method(struct connman_ipconfig *ipconfig,
1321                                         enum connman_ipconfig_method method)
1322 {
1323         ipconfig->method = method;
1324
1325         return 0;
1326 }
1327
1328 enum connman_ipconfig_method __connman_ipconfig_get_method(struct connman_ipconfig *ipconfig)
1329 {
1330         if (ipconfig == NULL)
1331                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1332
1333         return ipconfig->method;
1334 }
1335
1336 int __connman_ipconfig_address_add(struct connman_ipconfig *ipconfig)
1337 {
1338         DBG("");
1339
1340         switch (ipconfig->method) {
1341         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1342         case CONNMAN_IPCONFIG_METHOD_OFF:
1343                 break;
1344         case CONNMAN_IPCONFIG_METHOD_AUTO:
1345         case CONNMAN_IPCONFIG_METHOD_FIXED:
1346         case CONNMAN_IPCONFIG_METHOD_DHCP:
1347         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1348                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1349                         return connman_inet_set_address(ipconfig->index,
1350                                                         ipconfig->address);
1351                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1352                         return connman_inet_set_ipv6_address(
1353                                         ipconfig->index, ipconfig->address);
1354         }
1355
1356         return 0;
1357 }
1358
1359 int __connman_ipconfig_address_remove(struct connman_ipconfig *ipconfig)
1360 {
1361         int err;
1362
1363         DBG("");
1364
1365         if (ipconfig == NULL)
1366                 return 0;
1367
1368         DBG("method %d", ipconfig->method);
1369
1370         switch (ipconfig->method) {
1371         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1372         case CONNMAN_IPCONFIG_METHOD_OFF:
1373                 break;
1374         case CONNMAN_IPCONFIG_METHOD_AUTO:
1375         case CONNMAN_IPCONFIG_METHOD_FIXED:
1376         case CONNMAN_IPCONFIG_METHOD_DHCP:
1377         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1378                 err = __connman_ipconfig_address_unset(ipconfig);
1379                 connman_ipaddress_clear(ipconfig->address);
1380
1381                 return err;
1382         }
1383
1384         return 0;
1385 }
1386
1387 int __connman_ipconfig_address_unset(struct connman_ipconfig *ipconfig)
1388 {
1389         int err;
1390
1391         DBG("");
1392
1393         if (ipconfig == NULL)
1394                 return 0;
1395
1396         DBG("method %d", ipconfig->method);
1397
1398         switch (ipconfig->method) {
1399         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1400         case CONNMAN_IPCONFIG_METHOD_OFF:
1401                 break;
1402         case CONNMAN_IPCONFIG_METHOD_AUTO:
1403         case CONNMAN_IPCONFIG_METHOD_FIXED:
1404         case CONNMAN_IPCONFIG_METHOD_DHCP:
1405         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1406                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
1407                         err = connman_inet_clear_address(ipconfig->index,
1408                                                         ipconfig->address);
1409                 else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
1410                         err = connman_inet_clear_ipv6_address(
1411                                                 ipconfig->index,
1412                                                 ipconfig->address->local,
1413                                                 ipconfig->address->prefixlen);
1414                 else
1415                         err = -EINVAL;
1416
1417                 return err;
1418         }
1419
1420         return 0;
1421 }
1422
1423 int __connman_ipconfig_set_proxy_autoconfig(struct connman_ipconfig *ipconfig,
1424                                                         const char *url)
1425 {
1426         struct connman_ipdevice *ipdevice;
1427
1428         DBG("ipconfig %p", ipconfig);
1429
1430         if (ipconfig == NULL || ipconfig->index < 0)
1431                 return -ENODEV;
1432
1433         ipdevice = g_hash_table_lookup(ipdevice_hash,
1434                                         GINT_TO_POINTER(ipconfig->index));
1435         if (ipdevice == NULL)
1436                 return -ENXIO;
1437
1438         g_free(ipdevice->pac);
1439         ipdevice->pac = g_strdup(url);
1440
1441         return 0;
1442 }
1443
1444 const char *__connman_ipconfig_get_proxy_autoconfig(struct connman_ipconfig *ipconfig)
1445 {
1446         struct connman_ipdevice *ipdevice;
1447
1448         DBG("ipconfig %p", ipconfig);
1449
1450         if (ipconfig == NULL || ipconfig->index < 0)
1451                 return NULL;
1452
1453         ipdevice = g_hash_table_lookup(ipdevice_hash,
1454                                         GINT_TO_POINTER(ipconfig->index));
1455         if (ipdevice == NULL)
1456                 return NULL;
1457
1458         return ipdevice->pac;
1459 }
1460
1461 void __connman_ipconfig_set_dhcp_address(struct connman_ipconfig *ipconfig,
1462                                         const char *address)
1463 {
1464         if (ipconfig == NULL)
1465                 return;
1466
1467         g_free(ipconfig->last_dhcp_address);
1468         ipconfig->last_dhcp_address = g_strdup(address);
1469 }
1470
1471 char *__connman_ipconfig_get_dhcp_address(struct connman_ipconfig *ipconfig)
1472 {
1473         if (ipconfig == NULL)
1474                 return NULL;
1475
1476         return ipconfig->last_dhcp_address;
1477 }
1478
1479 static void disable_ipv6(struct connman_ipconfig *ipconfig)
1480 {
1481         struct connman_ipdevice *ipdevice;
1482
1483         DBG("");
1484
1485         ipdevice = g_hash_table_lookup(ipdevice_hash,
1486                                         GINT_TO_POINTER(ipconfig->index));
1487         if (ipdevice == NULL)
1488                 return;
1489
1490         set_ipv6_state(ipdevice->ifname, FALSE);
1491 }
1492
1493 static void enable_ipv6(struct connman_ipconfig *ipconfig)
1494 {
1495         struct connman_ipdevice *ipdevice;
1496
1497         DBG("");
1498
1499         ipdevice = g_hash_table_lookup(ipdevice_hash,
1500                                         GINT_TO_POINTER(ipconfig->index));
1501         if (ipdevice == NULL)
1502                 return;
1503
1504         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO)
1505                 set_ipv6_privacy(ipdevice->ifname,
1506                                 ipconfig->ipv6_privacy_config);
1507
1508         set_ipv6_state(ipdevice->ifname, TRUE);
1509 }
1510
1511 void __connman_ipconfig_enable_ipv6(struct connman_ipconfig *ipconfig)
1512 {
1513         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1514                 return;
1515
1516         enable_ipv6(ipconfig);
1517 }
1518
1519 void __connman_ipconfig_disable_ipv6(struct connman_ipconfig *ipconfig)
1520 {
1521         if (ipconfig == NULL || ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1522                 return;
1523
1524         disable_ipv6(ipconfig);
1525 }
1526
1527 connman_bool_t __connman_ipconfig_is_usable(struct connman_ipconfig *ipconfig)
1528 {
1529         if (ipconfig == NULL)
1530                 return FALSE;
1531
1532         switch (ipconfig->method) {
1533         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1534         case CONNMAN_IPCONFIG_METHOD_OFF:
1535                 return FALSE;
1536         case CONNMAN_IPCONFIG_METHOD_AUTO:
1537         case CONNMAN_IPCONFIG_METHOD_FIXED:
1538         case CONNMAN_IPCONFIG_METHOD_DHCP:
1539         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1540                 break;
1541         }
1542
1543         return TRUE;
1544 }
1545
1546 int __connman_ipconfig_enable(struct connman_ipconfig *ipconfig)
1547 {
1548         struct connman_ipdevice *ipdevice;
1549         gboolean up = FALSE, down = FALSE;
1550         gboolean lower_up = FALSE, lower_down = FALSE;
1551         enum connman_ipconfig_type type;
1552
1553         DBG("ipconfig %p", ipconfig);
1554
1555         if (ipconfig == NULL || ipconfig->index < 0)
1556                 return -ENODEV;
1557
1558         ipdevice = g_hash_table_lookup(ipdevice_hash,
1559                                         GINT_TO_POINTER(ipconfig->index));
1560         if (ipdevice == NULL)
1561                 return -ENXIO;
1562
1563         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
1564                 if (ipdevice->config_ipv4 == ipconfig)
1565                         return -EALREADY;
1566                 type = CONNMAN_IPCONFIG_TYPE_IPV4;
1567         } else if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
1568                 if (ipdevice->config_ipv6 == ipconfig)
1569                         return -EALREADY;
1570                 type = CONNMAN_IPCONFIG_TYPE_IPV6;
1571                 enable_ipv6(ipconfig);
1572         } else
1573                 return -EINVAL;
1574
1575         ipconfig->enabled = TRUE;
1576
1577         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
1578                                         ipdevice->config_ipv4 != NULL) {
1579                 ipconfig_list = g_list_remove(ipconfig_list,
1580                                                         ipdevice->config_ipv4);
1581
1582                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1583
1584                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1585         }
1586
1587         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
1588                                         ipdevice->config_ipv6 != NULL) {
1589                 ipconfig_list = g_list_remove(ipconfig_list,
1590                                                         ipdevice->config_ipv6);
1591
1592                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1593
1594                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1595         }
1596
1597         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1598                 ipdevice->config_ipv4 = __connman_ipconfig_ref(ipconfig);
1599         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1600                 ipdevice->config_ipv6 = __connman_ipconfig_ref(ipconfig);
1601
1602         ipconfig_list = g_list_append(ipconfig_list, ipconfig);
1603
1604         if (ipdevice->flags & IFF_UP)
1605                 up = TRUE;
1606         else
1607                 down = TRUE;
1608
1609         if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) ==
1610                         (IFF_RUNNING | IFF_LOWER_UP))
1611                 lower_up = TRUE;
1612         else if ((ipdevice->flags & (IFF_RUNNING | IFF_LOWER_UP)) == 0)
1613                 lower_down = TRUE;
1614
1615         if (up == TRUE && ipconfig->ops->up)
1616                 ipconfig->ops->up(ipconfig);
1617         if (lower_up == TRUE && ipconfig->ops->lower_up)
1618                 ipconfig->ops->lower_up(ipconfig);
1619
1620         if (lower_down == TRUE && ipconfig->ops->lower_down)
1621                 ipconfig->ops->lower_down(ipconfig);
1622         if (down == TRUE && ipconfig->ops->down)
1623                 ipconfig->ops->down(ipconfig);
1624
1625         return 0;
1626 }
1627
1628 int __connman_ipconfig_disable(struct connman_ipconfig *ipconfig)
1629 {
1630         struct connman_ipdevice *ipdevice;
1631
1632         DBG("ipconfig %p", ipconfig);
1633
1634         if (ipconfig == NULL || ipconfig->index < 0)
1635                 return -ENODEV;
1636
1637         ipdevice = g_hash_table_lookup(ipdevice_hash,
1638                                         GINT_TO_POINTER(ipconfig->index));
1639         if (ipdevice == NULL)
1640                 return -ENXIO;
1641
1642         if (ipdevice->config_ipv4 == NULL && ipdevice->config_ipv6 == NULL)
1643                 return -EINVAL;
1644
1645         ipconfig->enabled = FALSE;
1646
1647         if (ipdevice->config_ipv4 == ipconfig) {
1648                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1649
1650                 connman_ipaddress_clear(ipdevice->config_ipv4->system);
1651                 __connman_ipconfig_unref(ipdevice->config_ipv4);
1652                 ipdevice->config_ipv4 = NULL;
1653                 return 0;
1654         }
1655
1656         if (ipdevice->config_ipv6 == ipconfig) {
1657                 ipconfig_list = g_list_remove(ipconfig_list, ipconfig);
1658
1659                 if (ipdevice->config_ipv6->method ==
1660                                                 CONNMAN_IPCONFIG_METHOD_AUTO)
1661                         disable_ipv6(ipdevice->config_ipv6);
1662
1663                 connman_ipaddress_clear(ipdevice->config_ipv6->system);
1664                 __connman_ipconfig_unref(ipdevice->config_ipv6);
1665                 ipdevice->config_ipv6 = NULL;
1666                 return 0;
1667         }
1668
1669         return -EINVAL;
1670 }
1671
1672 const char *__connman_ipconfig_method2string(enum connman_ipconfig_method method)
1673 {
1674         switch (method) {
1675         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1676                 break;
1677         case CONNMAN_IPCONFIG_METHOD_OFF:
1678                 return "off";
1679         case CONNMAN_IPCONFIG_METHOD_FIXED:
1680                 return "fixed";
1681         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1682                 return "manual";
1683         case CONNMAN_IPCONFIG_METHOD_DHCP:
1684                 return "dhcp";
1685         case CONNMAN_IPCONFIG_METHOD_AUTO:
1686                 return "auto";
1687         }
1688
1689         return NULL;
1690 }
1691
1692 enum connman_ipconfig_method __connman_ipconfig_string2method(const char *method)
1693 {
1694         if (g_strcmp0(method, "off") == 0)
1695                 return CONNMAN_IPCONFIG_METHOD_OFF;
1696         else if (g_strcmp0(method, "fixed") == 0)
1697                 return CONNMAN_IPCONFIG_METHOD_FIXED;
1698         else if (g_strcmp0(method, "manual") == 0)
1699                 return CONNMAN_IPCONFIG_METHOD_MANUAL;
1700         else if (g_strcmp0(method, "dhcp") == 0)
1701                 return CONNMAN_IPCONFIG_METHOD_DHCP;
1702         else if (g_strcmp0(method, "auto") == 0)
1703                 return CONNMAN_IPCONFIG_METHOD_AUTO;
1704         else
1705                 return CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1706 }
1707
1708 static const char *privacy2string(int privacy)
1709 {
1710         if (privacy <= 0)
1711                 return "disabled";
1712         else if (privacy == 1)
1713                 return "enabled";
1714         else if (privacy > 1)
1715                 return "prefered";
1716
1717         return "disabled";
1718 }
1719
1720 static int string2privacy(const char *privacy)
1721 {
1722         if (g_strcmp0(privacy, "disabled") == 0)
1723                 return 0;
1724         else if (g_strcmp0(privacy, "enabled") == 0)
1725                 return 1;
1726         else if (g_strcmp0(privacy, "prefered") == 0)
1727                 return 2;
1728         else
1729                 return 0;
1730 }
1731
1732 void __connman_ipconfig_append_ipv4(struct connman_ipconfig *ipconfig,
1733                                                         DBusMessageIter *iter)
1734 {
1735         struct connman_ipaddress *append_addr = NULL;
1736         const char *str;
1737
1738         DBG("");
1739
1740         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV4)
1741                 return;
1742
1743         str = __connman_ipconfig_method2string(ipconfig->method);
1744         if (str == NULL)
1745                 return;
1746
1747         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1748
1749         switch (ipconfig->method) {
1750         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1751         case CONNMAN_IPCONFIG_METHOD_OFF:
1752         case CONNMAN_IPCONFIG_METHOD_AUTO:
1753                 return;
1754
1755         case CONNMAN_IPCONFIG_METHOD_FIXED:
1756                 append_addr = ipconfig->address;
1757                 break;
1758
1759         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1760         case CONNMAN_IPCONFIG_METHOD_DHCP:
1761                 append_addr = ipconfig->system;
1762                 break;
1763         }
1764
1765         if (append_addr == NULL)
1766                 return;
1767
1768         if (append_addr->local != NULL) {
1769                 in_addr_t addr;
1770                 struct in_addr netmask;
1771                 char *mask;
1772
1773                 connman_dbus_dict_append_basic(iter, "Address",
1774                                 DBUS_TYPE_STRING, &append_addr->local);
1775
1776                 addr = 0xffffffff << (32 - append_addr->prefixlen);
1777                 netmask.s_addr = htonl(addr);
1778                 mask = inet_ntoa(netmask);
1779                 connman_dbus_dict_append_basic(iter, "Netmask",
1780                                                 DBUS_TYPE_STRING, &mask);
1781         }
1782
1783         if (append_addr->gateway != NULL)
1784                 connman_dbus_dict_append_basic(iter, "Gateway",
1785                                 DBUS_TYPE_STRING, &append_addr->gateway);
1786 }
1787
1788 void __connman_ipconfig_append_ipv6(struct connman_ipconfig *ipconfig,
1789                                         DBusMessageIter *iter,
1790                                         struct connman_ipconfig *ipconfig_ipv4)
1791 {
1792         struct connman_ipaddress *append_addr = NULL;
1793         const char *str, *privacy;
1794
1795         DBG("");
1796
1797         if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
1798                 return;
1799
1800         str = __connman_ipconfig_method2string(ipconfig->method);
1801         if (str == NULL)
1802                 return;
1803
1804         if (ipconfig_ipv4 != NULL &&
1805                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO) {
1806                 if (__connman_6to4_check(ipconfig_ipv4) == 1)
1807                         str = "6to4";
1808         }
1809
1810         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1811
1812         switch (ipconfig->method) {
1813         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1814         case CONNMAN_IPCONFIG_METHOD_OFF:
1815                 return;
1816
1817         case CONNMAN_IPCONFIG_METHOD_FIXED:
1818                 append_addr = ipconfig->address;
1819                 break;
1820
1821         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1822         case CONNMAN_IPCONFIG_METHOD_DHCP:
1823         case CONNMAN_IPCONFIG_METHOD_AUTO:
1824                 append_addr = ipconfig->system;
1825                 break;
1826         }
1827
1828         if (append_addr == NULL)
1829                 return;
1830
1831         if (append_addr->local != NULL) {
1832                 connman_dbus_dict_append_basic(iter, "Address",
1833                                 DBUS_TYPE_STRING, &append_addr->local);
1834                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1835                                                 DBUS_TYPE_BYTE,
1836                                                 &append_addr->prefixlen);
1837         }
1838
1839         if (append_addr->gateway != NULL)
1840                 connman_dbus_dict_append_basic(iter, "Gateway",
1841                                 DBUS_TYPE_STRING, &append_addr->gateway);
1842
1843         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1844         connman_dbus_dict_append_basic(iter, "Privacy",
1845                                 DBUS_TYPE_STRING, &privacy);
1846 }
1847
1848 void __connman_ipconfig_append_ipv6config(struct connman_ipconfig *ipconfig,
1849                                                         DBusMessageIter *iter)
1850 {
1851         const char *str, *privacy;
1852
1853         DBG("");
1854
1855         str = __connman_ipconfig_method2string(ipconfig->method);
1856         if (str == NULL)
1857                 return;
1858
1859         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1860
1861         switch (ipconfig->method) {
1862         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1863         case CONNMAN_IPCONFIG_METHOD_OFF:
1864         case CONNMAN_IPCONFIG_METHOD_DHCP:
1865                 return;
1866         case CONNMAN_IPCONFIG_METHOD_FIXED:
1867         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1868         case CONNMAN_IPCONFIG_METHOD_AUTO:
1869                 break;
1870         }
1871
1872         if (ipconfig->address == NULL)
1873                 return;
1874
1875         if (ipconfig->address->local != NULL) {
1876                 connman_dbus_dict_append_basic(iter, "Address",
1877                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1878                 connman_dbus_dict_append_basic(iter, "PrefixLength",
1879                                                 DBUS_TYPE_BYTE,
1880                                                 &ipconfig->address->prefixlen);
1881         }
1882
1883         if (ipconfig->address->gateway != NULL)
1884                 connman_dbus_dict_append_basic(iter, "Gateway",
1885                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1886
1887         privacy = privacy2string(ipconfig->ipv6_privacy_config);
1888         connman_dbus_dict_append_basic(iter, "Privacy",
1889                                 DBUS_TYPE_STRING, &privacy);
1890 }
1891
1892 void __connman_ipconfig_append_ipv4config(struct connman_ipconfig *ipconfig,
1893                                                         DBusMessageIter *iter)
1894 {
1895         const char *str;
1896
1897         DBG("");
1898
1899         str = __connman_ipconfig_method2string(ipconfig->method);
1900         if (str == NULL)
1901                 return;
1902
1903         connman_dbus_dict_append_basic(iter, "Method", DBUS_TYPE_STRING, &str);
1904
1905         switch (ipconfig->method) {
1906         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
1907         case CONNMAN_IPCONFIG_METHOD_OFF:
1908         case CONNMAN_IPCONFIG_METHOD_DHCP:
1909         case CONNMAN_IPCONFIG_METHOD_AUTO:
1910                 return;
1911         case CONNMAN_IPCONFIG_METHOD_FIXED:
1912         case CONNMAN_IPCONFIG_METHOD_MANUAL:
1913                 break;
1914         }
1915
1916         if (ipconfig->address == NULL)
1917                 return;
1918
1919         if (ipconfig->address->local != NULL) {
1920                 in_addr_t addr;
1921                 struct in_addr netmask;
1922                 char *mask;
1923
1924                 connman_dbus_dict_append_basic(iter, "Address",
1925                                 DBUS_TYPE_STRING, &ipconfig->address->local);
1926
1927                 addr = 0xffffffff << (32 - ipconfig->address->prefixlen);
1928                 netmask.s_addr = htonl(addr);
1929                 mask = inet_ntoa(netmask);
1930                 connman_dbus_dict_append_basic(iter, "Netmask",
1931                                                 DBUS_TYPE_STRING, &mask);
1932         }
1933
1934         if (ipconfig->address->gateway != NULL)
1935                 connman_dbus_dict_append_basic(iter, "Gateway",
1936                                 DBUS_TYPE_STRING, &ipconfig->address->gateway);
1937 }
1938
1939 int __connman_ipconfig_set_config(struct connman_ipconfig *ipconfig,
1940                                                         DBusMessageIter *array)
1941 {
1942         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
1943         const char *address = NULL, *netmask = NULL, *gateway = NULL,
1944                 *privacy_string = NULL;
1945         int prefix_length = 0, privacy = 0;
1946         DBusMessageIter dict;
1947
1948         DBG("ipconfig %p", ipconfig);
1949
1950         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
1951                 return -EINVAL;
1952
1953         dbus_message_iter_recurse(array, &dict);
1954
1955         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
1956                 DBusMessageIter entry, value;
1957                 const char *key;
1958                 int type;
1959
1960                 dbus_message_iter_recurse(&dict, &entry);
1961
1962                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
1963                         return -EINVAL;
1964
1965                 dbus_message_iter_get_basic(&entry, &key);
1966                 dbus_message_iter_next(&entry);
1967
1968                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
1969                         return -EINVAL;
1970
1971                 dbus_message_iter_recurse(&entry, &value);
1972
1973                 type = dbus_message_iter_get_arg_type(&value);
1974
1975                 if (g_str_equal(key, "Method") == TRUE) {
1976                         const char *str;
1977
1978                         if (type != DBUS_TYPE_STRING)
1979                                 return -EINVAL;
1980
1981                         dbus_message_iter_get_basic(&value, &str);
1982                         method = __connman_ipconfig_string2method(str);
1983                 } else if (g_str_equal(key, "Address") == TRUE) {
1984                         if (type != DBUS_TYPE_STRING)
1985                                 return -EINVAL;
1986
1987                         dbus_message_iter_get_basic(&value, &address);
1988                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
1989                         if (type != DBUS_TYPE_BYTE)
1990                                 return -EINVAL;
1991
1992                         dbus_message_iter_get_basic(&value, &prefix_length);
1993
1994                         if (prefix_length < 0 || prefix_length > 128)
1995                                 return -EINVAL;
1996                 } else if (g_str_equal(key, "Netmask") == TRUE) {
1997                         if (type != DBUS_TYPE_STRING)
1998                                 return -EINVAL;
1999
2000                         dbus_message_iter_get_basic(&value, &netmask);
2001                 } else if (g_str_equal(key, "Gateway") == TRUE) {
2002                         if (type != DBUS_TYPE_STRING)
2003                                 return -EINVAL;
2004
2005                         dbus_message_iter_get_basic(&value, &gateway);
2006                 } else if (g_str_equal(key, "Privacy") == TRUE) {
2007                         if (type != DBUS_TYPE_STRING)
2008                                 return -EINVAL;
2009
2010                         dbus_message_iter_get_basic(&value, &privacy_string);
2011                         privacy = string2privacy(privacy_string);
2012                 }
2013
2014                 dbus_message_iter_next(&dict);
2015         }
2016
2017         DBG("method %d address %s netmask %s gateway %s prefix_length %d "
2018                 "privacy %s",
2019                 method, address, netmask, gateway, prefix_length,
2020                 privacy_string);
2021
2022         switch (method) {
2023         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2024         case CONNMAN_IPCONFIG_METHOD_FIXED:
2025                 return -EINVAL;
2026
2027         case CONNMAN_IPCONFIG_METHOD_OFF:
2028                 ipconfig->method = method;
2029                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2030                         disable_ipv6(ipconfig);
2031                 break;
2032
2033         case CONNMAN_IPCONFIG_METHOD_AUTO:
2034                 if (ipconfig->type != CONNMAN_IPCONFIG_TYPE_IPV6)
2035                         return -EINVAL;
2036
2037                 ipconfig->method = method;
2038                 if (privacy_string != NULL)
2039                         ipconfig->ipv6_privacy_config = privacy;
2040                 enable_ipv6(ipconfig);
2041                 break;
2042
2043         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2044                 if (address == NULL)
2045                         return -EINVAL;
2046
2047                 ipconfig->method = method;
2048
2049                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV4)
2050                         connman_ipaddress_set_ipv4(ipconfig->address,
2051                                                 address, netmask, gateway);
2052                 else
2053                         return connman_ipaddress_set_ipv6(
2054                                         ipconfig->address, address,
2055                                                 prefix_length, gateway);
2056                 break;
2057
2058         case CONNMAN_IPCONFIG_METHOD_DHCP:
2059                 if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6)
2060                         return -EOPNOTSUPP;
2061
2062                 ipconfig->method = method;
2063                 break;
2064         }
2065
2066         return 0;
2067 }
2068
2069 void __connman_ipconfig_append_ethernet(struct connman_ipconfig *ipconfig,
2070                                                         DBusMessageIter *iter)
2071 {
2072         struct connman_ipdevice *ipdevice;
2073         const char *method = "auto";
2074
2075         connman_dbus_dict_append_basic(iter, "Method",
2076                                                 DBUS_TYPE_STRING, &method);
2077
2078         ipdevice = g_hash_table_lookup(ipdevice_hash,
2079                                         GINT_TO_POINTER(ipconfig->index));
2080         if (ipdevice == NULL)
2081                 return;
2082
2083         if (ipdevice->ifname != NULL)
2084                 connman_dbus_dict_append_basic(iter, "Interface",
2085                                         DBUS_TYPE_STRING, &ipdevice->ifname);
2086
2087         if (ipdevice->address != NULL)
2088                 connman_dbus_dict_append_basic(iter, "Address",
2089                                         DBUS_TYPE_STRING, &ipdevice->address);
2090
2091         if (ipdevice->mtu > 0)
2092                 connman_dbus_dict_append_basic(iter, "MTU",
2093                                         DBUS_TYPE_UINT16, &ipdevice->mtu);
2094 }
2095
2096 int __connman_ipconfig_load(struct connman_ipconfig *ipconfig,
2097                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2098 {
2099         char *method;
2100         char *key;
2101         char *str;
2102
2103         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2104
2105         key = g_strdup_printf("%smethod", prefix);
2106         method = g_key_file_get_string(keyfile, identifier, key, NULL);
2107         if (method == NULL) {
2108                 switch (ipconfig->type) {
2109                 case CONNMAN_IPCONFIG_TYPE_IPV4:
2110                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_DHCP;
2111                         break;
2112                 case CONNMAN_IPCONFIG_TYPE_IPV6:
2113                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_AUTO;
2114                         break;
2115                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
2116                         ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2117                         break;
2118                 }
2119         } else
2120                 ipconfig->method = __connman_ipconfig_string2method(method);
2121
2122         if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_UNKNOWN)
2123                 ipconfig->method = CONNMAN_IPCONFIG_METHOD_OFF;
2124
2125         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2126                 if (ipconfig->method == CONNMAN_IPCONFIG_METHOD_AUTO ||
2127                         ipconfig->method == CONNMAN_IPCONFIG_METHOD_MANUAL) {
2128                         char *privacy;
2129                         char *pprefix = g_strdup_printf("%sprivacy", prefix);
2130                         privacy = g_key_file_get_string(keyfile, identifier,
2131                                                         pprefix, NULL);
2132                         ipconfig->ipv6_privacy_config = string2privacy(privacy);
2133                         g_free(pprefix);
2134                         g_free(privacy);
2135                 }
2136         }
2137
2138         g_free(method);
2139         g_free(key);
2140
2141         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2142         ipconfig->address->prefixlen = g_key_file_get_integer(
2143                                 keyfile, identifier, key, NULL);
2144         g_free(key);
2145
2146         key = g_strdup_printf("%slocal_address", prefix);
2147         ipconfig->address->local = g_key_file_get_string(
2148                         keyfile, identifier, key, NULL);
2149         g_free(key);
2150
2151         key = g_strdup_printf("%speer_address", prefix);
2152         ipconfig->address->peer = g_key_file_get_string(
2153                                 keyfile, identifier, key, NULL);
2154         g_free(key);
2155
2156         key = g_strdup_printf("%sbroadcast_address", prefix);
2157         ipconfig->address->broadcast = g_key_file_get_string(
2158                                 keyfile, identifier, key, NULL);
2159         g_free(key);
2160
2161         key = g_strdup_printf("%sgateway", prefix);
2162         ipconfig->address->gateway = g_key_file_get_string(
2163                                 keyfile, identifier, key, NULL);
2164         g_free(key);
2165
2166         key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2167         str = g_key_file_get_string(keyfile, identifier, key, NULL);
2168         if (str != NULL) {
2169                 g_free(ipconfig->last_dhcp_address);
2170                 ipconfig->last_dhcp_address = str;
2171         }
2172         g_free(key);
2173
2174         return 0;
2175 }
2176
2177 int __connman_ipconfig_save(struct connman_ipconfig *ipconfig,
2178                 GKeyFile *keyfile, const char *identifier, const char *prefix)
2179 {
2180         const char *method;
2181         char *key;
2182
2183         DBG("ipconfig %p identifier %s", ipconfig, identifier);
2184
2185         method = __connman_ipconfig_method2string(ipconfig->method);
2186
2187         key = g_strdup_printf("%smethod", prefix);
2188         g_key_file_set_string(keyfile, identifier, key, method);
2189         g_free(key);
2190
2191         if (ipconfig->type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2192                 const char *privacy;
2193                 privacy = privacy2string(ipconfig->ipv6_privacy_config);
2194                 key = g_strdup_printf("%sprivacy", prefix);
2195                 g_key_file_set_string(keyfile, identifier, key, privacy);
2196                 g_free(key);
2197         }
2198
2199         switch (ipconfig->method) {
2200         case CONNMAN_IPCONFIG_METHOD_FIXED:
2201         case CONNMAN_IPCONFIG_METHOD_MANUAL:
2202                 break;
2203         case CONNMAN_IPCONFIG_METHOD_DHCP:
2204                 key = g_strdup_printf("%sDHCP.LastAddress", prefix);
2205                 if (ipconfig->last_dhcp_address != NULL &&
2206                                 strlen(ipconfig->last_dhcp_address) > 0)
2207                         g_key_file_set_string(keyfile, identifier, key,
2208                                         ipconfig->last_dhcp_address);
2209                 else
2210                         g_key_file_remove_key(keyfile, identifier, key, NULL);
2211                 g_free(key);
2212                 /* fall through */
2213         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
2214         case CONNMAN_IPCONFIG_METHOD_OFF:
2215         case CONNMAN_IPCONFIG_METHOD_AUTO:
2216                 return 0;
2217         }
2218
2219         key = g_strdup_printf("%snetmask_prefixlen", prefix);
2220         if (ipconfig->address->prefixlen != 0)
2221                 g_key_file_set_integer(keyfile, identifier,
2222                                 key, ipconfig->address->prefixlen);
2223         g_free(key);
2224
2225         key = g_strdup_printf("%slocal_address", prefix);
2226         if (ipconfig->address->local != NULL)
2227                 g_key_file_set_string(keyfile, identifier,
2228                                 key, ipconfig->address->local);
2229         g_free(key);
2230
2231         key = g_strdup_printf("%speer_address", prefix);
2232         if (ipconfig->address->peer != NULL)
2233                 g_key_file_set_string(keyfile, identifier,
2234                                 key, ipconfig->address->peer);
2235         g_free(key);
2236
2237         key = g_strdup_printf("%sbroadcast_address", prefix);
2238         if (ipconfig->address->broadcast != NULL)
2239                 g_key_file_set_string(keyfile, identifier,
2240                         key, ipconfig->address->broadcast);
2241         g_free(key);
2242
2243         key = g_strdup_printf("%sgateway", prefix);
2244         if (ipconfig->address->gateway != NULL)
2245                 g_key_file_set_string(keyfile, identifier,
2246                         key, ipconfig->address->gateway);
2247         g_free(key);
2248
2249         return 0;
2250 }
2251
2252 int __connman_ipconfig_init(void)
2253 {
2254         DBG("");
2255
2256         ipdevice_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal,
2257                                                         NULL, free_ipdevice);
2258
2259         is_ipv6_supported = connman_inet_is_ipv6_supported();
2260
2261         return 0;
2262 }
2263
2264 void __connman_ipconfig_cleanup(void)
2265 {
2266         DBG("");
2267
2268         g_hash_table_destroy(ipdevice_hash);
2269         ipdevice_hash = NULL;
2270 }