src/iface.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007  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 <stdio.h>
  27 #include <errno.h>
  28 #include <unistd.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include <sys/ioctl.h>
  32 #include <sys/socket.h>
  33 #include <netinet/in.h>
  34 #include <arpa/inet.h>
  35 #include <net/if.h>
  36 #include <net/route.h>
  37
  38 #include <linux/netlink.h>
  39 #include <linux/rtnetlink.h>
  40
  41 #include <glib.h>
  42 #include <gdbus.h>
  43
  44 #include <hal/libhal.h>
  45
  46 #include "connman.h"
  47
  48 static DBusConnection *connection = NULL;
  49
  50 static gchar *ifname_filter = NULL;
  51
  52 static GSList *drivers = NULL;
  53
  54 int connman_iface_register(struct connman_iface_driver *driver)
  55 {
  56         DBG("driver %p", driver);
  57
  58         drivers = g_slist_append(drivers, driver);
  59
  60         return 0;
  61 }
  62
  63 void connman_iface_unregister(struct connman_iface_driver *driver)
  64 {
  65         DBG("driver %p", driver);
  66
  67         drivers = g_slist_remove(drivers, driver);
  68 }
  69
  70 static GSList *interfaces = NULL;
  71
  72 struct connman_iface *__connman_iface_find(int index)
  73 {
  74         GSList *list;
  75
  76         for (list = interfaces; list; list = list->next) {
  77                 struct connman_iface *iface = list->data;
  78
  79                 if (iface->index == index)
  80                         return iface;
  81         }
  82
  83         return NULL;
  84 }
  85
  86 void __connman_iface_list(DBusMessageIter *iter)
  87 {
  88         GSList *list;
  89
  90         DBG("");
  91
  92         for (list = interfaces; list; list = list->next) {
  93                 struct connman_iface *iface = list->data;
  94
  95                 dbus_message_iter_append_basic(iter,
  96                                 DBUS_TYPE_OBJECT_PATH, &iface->path);
  97         }
  98 }
  99
 100 static void append_entry(DBusMessageIter *dict,
 101                                 const char *key, int type, void *val)
 102 {
 103         DBusMessageIter entry, value;
 104         const char *signature;
 105
 106         dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
 107                                                                 NULL, &entry);
 108
 109         dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
 110
 111         switch (type) {
 112         case DBUS_TYPE_STRING:
 113                 signature = DBUS_TYPE_STRING_AS_STRING;
 114                 break;
 115         case DBUS_TYPE_UINT16:
 116                 signature = DBUS_TYPE_UINT16_AS_STRING;
 117                 break;
 118         default:
 119                 signature = DBUS_TYPE_VARIANT_AS_STRING;
 120                 break;
 121         }
 122
 123         dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
 124                                                         signature, &value);
 125         dbus_message_iter_append_basic(&value, type, val);
 126         dbus_message_iter_close_container(&entry, &value);
 127
 128         dbus_message_iter_close_container(dict, &entry);
 129 }
 130
 131 static gboolean scan_timeout(gpointer user_data)
 132 {
 133         struct connman_iface *iface = user_data;
 134
 135         switch (iface->state) {
 136         case CONNMAN_IFACE_STATE_SCANNING:
 137                 if (iface->driver->scan)
 138                         iface->driver->scan(iface);
 139                 return TRUE;
 140         default:
 141                 break;
 142         }
 143
 144         return FALSE;
 145 }
 146
 147 static void state_changed(struct connman_iface *iface)
 148 {
 149         const char *str = __connman_iface_state2string(iface->state);
 150         enum connman_iface_state state = iface->state;
 151
 152         DBG("iface %p state %s", iface, str);
 153
 154         g_dbus_emit_signal(connection, iface->path,
 155                                 CONNMAN_IFACE_INTERFACE, "StateChanged",
 156                                 DBUS_TYPE_STRING, &str, DBUS_TYPE_INVALID);
 157
 158         switch (iface->state) {
 159         case CONNMAN_IFACE_STATE_OFF:
 160                 __connman_dhcp_release(iface);
 161                 break;
 162
 163         case CONNMAN_IFACE_STATE_ENABLED:
 164                 __connman_dhcp_release(iface);
 165                 connman_iface_clear_ipv4(iface);
 166                 if (iface->driver->disconnect)
 167                         iface->driver->disconnect(iface);
 168                 if (iface->flags & CONNMAN_IFACE_FLAG_SCANNING)
 169                         state = CONNMAN_IFACE_STATE_SCANNING;
 170                 break;
 171
 172         case CONNMAN_IFACE_STATE_SCANNING:
 173                 if (iface->driver->scan)
 174                         iface->driver->scan(iface);
 175                 g_timeout_add(8000, scan_timeout, iface);
 176                 break;
 177
 178         case CONNMAN_IFACE_STATE_CARRIER:
 179                 if (iface->policy == CONNMAN_IFACE_POLICY_AUTO)
 180                         state = CONNMAN_IFACE_STATE_CONFIGURE;
 181                 break;
 182
 183         case CONNMAN_IFACE_STATE_CONFIGURE:
 184                 __connman_dhcp_request(iface);
 185                 break;
 186
 187         case CONNMAN_IFACE_STATE_SHUTDOWN:
 188                 __connman_dhcp_release(iface);
 189                 if (iface->driver->disconnect)
 190                         iface->driver->disconnect(iface);
 191                 if (iface->policy != CONNMAN_IFACE_POLICY_AUTO)
 192                         state = CONNMAN_IFACE_STATE_OFF;
 193                 break;
 194
 195         case CONNMAN_IFACE_STATE_READY:
 196                 break;
 197
 198         default:
 199                 break;
 200         }
 201
 202         if (iface->state != state) {
 203                 iface->state = state;
 204                 state_changed(iface);
 205         }
 206 }
 207
 208 static void switch_policy(struct connman_iface *iface)
 209 {
 210         DBG("iface %p", iface);
 211
 212         switch (iface->policy) {
 213         case CONNMAN_IFACE_POLICY_OFF:
 214                 iface->state = CONNMAN_IFACE_STATE_SHUTDOWN;
 215                 state_changed(iface);
 216                 connman_iface_clear_ipv4(iface);
 217                 if (iface->driver->stop)
 218                         iface->driver->stop(iface);
 219                 else
 220                         __connman_iface_down(iface);
 221                 break;
 222
 223         case CONNMAN_IFACE_POLICY_IGNORE:
 224                 break;
 225
 226         case CONNMAN_IFACE_POLICY_AUTO:
 227                 if (iface->driver->start)
 228                         iface->driver->start(iface);
 229                 else
 230                         __connman_iface_up(iface);
 231                 state_changed(iface);
 232                 break;
 233
 234         default:
 235                 break;
 236         }
 237 }
 238
 239 void connman_iface_indicate_enabled(struct connman_iface *iface)
 240 {
 241         DBG("iface %p state %d", iface, iface->state);
 242
 243         switch (iface->state) {
 244         case CONNMAN_IFACE_STATE_OFF:
 245         case CONNMAN_IFACE_STATE_CARRIER:
 246                 iface->state = CONNMAN_IFACE_STATE_ENABLED;
 247                 state_changed(iface);
 248                 break;
 249         default:
 250                 break;
 251         }
 252 }
 253
 254 void connman_iface_indicate_disabled(struct connman_iface *iface)
 255 {
 256         DBG("iface %p state %d", iface, iface->state);
 257
 258         if (iface->policy == CONNMAN_IFACE_POLICY_AUTO) {
 259                 iface->state = CONNMAN_IFACE_STATE_ENABLED;
 260                 if (iface->driver->start)
 261                         iface->driver->start(iface);
 262                 else
 263                         __connman_iface_up(iface);
 264         } else
 265                 iface->state = CONNMAN_IFACE_STATE_SHUTDOWN;
 266
 267         state_changed(iface);
 268 }
 269
 270 void connman_iface_indicate_connected(struct connman_iface *iface)
 271 {
 272         DBG("iface %p state %d", iface, iface->state);
 273
 274         switch (iface->state) {
 275         case CONNMAN_IFACE_STATE_CONNECT:
 276                 iface->state = CONNMAN_IFACE_STATE_CONNECTED;
 277                 state_changed(iface);
 278                 break;
 279         default:
 280                 break;
 281         }
 282 }
 283
 284 void connman_iface_indicate_carrier_on(struct connman_iface *iface)
 285 {
 286         DBG("iface %p state %d", iface, iface->state);
 287
 288         switch (iface->state) {
 289         case CONNMAN_IFACE_STATE_ENABLED:
 290         case CONNMAN_IFACE_STATE_CONNECT:
 291         case CONNMAN_IFACE_STATE_CONNECTED:
 292                 iface->state = CONNMAN_IFACE_STATE_CARRIER;
 293                 state_changed(iface);
 294                 break;
 295         default:
 296                 break;
 297         }
 298 }
 299
 300 void connman_iface_indicate_carrier_off(struct connman_iface *iface)
 301 {
 302         DBG("iface %p state %d", iface, iface->state);
 303
 304         switch (iface->state) {
 305         case CONNMAN_IFACE_STATE_CARRIER:
 306         case CONNMAN_IFACE_STATE_CONFIGURE:
 307         case CONNMAN_IFACE_STATE_READY:
 308 #if 0
 309                 if (iface->flags & CONNMAN_IFACE_FLAG_SCANNING) {
 310                         if (iface->driver->disconnect)
 311                                 iface->driver->disconnect(iface);
 312                         iface->state = CONNMAN_IFACE_STATE_SCANNING;
 313                 } else
 314 #endif
 315                         iface->state = CONNMAN_IFACE_STATE_ENABLED;
 316                 state_changed(iface);
 317                 break;
 318         default:
 319                 break;
 320         }
 321 }
 322
 323 void connman_iface_indicate_configured(struct connman_iface *iface)
 324 {
 325         DBG("iface %p state %d", iface, iface->state);
 326
 327         switch (iface->state) {
 328         case CONNMAN_IFACE_STATE_CONFIGURE:
 329                 iface->state = CONNMAN_IFACE_STATE_READY;
 330                 state_changed(iface);
 331                 break;
 332         default:
 333                 break;
 334         }
 335 }
 336
 337 static void append_station(DBusMessage *reply, const char *name,
 338                                                 int signal, int security)
 339 {
 340         DBusMessageIter array, dict;
 341         const char *wpa = "WPA";
 342
 343         dbus_message_iter_init_append(reply, &array);
 344
 345         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 346                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 347                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 348                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 349
 350         append_entry(&dict, "ESSID", DBUS_TYPE_STRING, &name);
 351         append_entry(&dict, "Signal", DBUS_TYPE_UINT16, &signal);
 352
 353         if (security > 0)
 354                 append_entry(&dict, "Security", DBUS_TYPE_STRING, &wpa);
 355
 356         dbus_message_iter_close_container(&array, &dict);
 357 }
 358
 359 void connman_iface_indicate_station(struct connman_iface *iface,
 360                                 const char *name, int strength, int security)
 361 {
 362         DBusMessage *signal;
 363
 364         DBG("iface %p security %d name %s", iface, security, name);
 365
 366         if (name == NULL || strlen(name) == 0)
 367                 return;
 368
 369         signal = dbus_message_new_signal(iface->path,
 370                                 CONNMAN_IFACE_INTERFACE, "NetworkFound");
 371         if (signal == NULL)
 372                 return;
 373
 374         append_station(signal, name, strength, security);
 375
 376         dbus_connection_send(connection, signal, NULL);
 377         dbus_message_unref(signal);
 378
 379         if (g_str_equal(name, iface->network.identifier) == TRUE &&
 380                         iface->state == CONNMAN_IFACE_STATE_SCANNING) {
 381                 iface->network.identifier = g_strdup(name);
 382
 383                 if (iface->driver->connect) {
 384                         iface->driver->connect(iface, &iface->network);
 385                         iface->state = CONNMAN_IFACE_STATE_CONNECT;
 386                         state_changed(iface);
 387                 }
 388         }
 389 }
 390
 391 int connman_iface_get_ipv4(struct connman_iface *iface,
 392                                                 struct connman_ipv4 *ipv4)
 393 {
 394 #if 0
 395         struct {
 396                 struct nlmsghdr hdr;
 397                 struct rtgenmsg msg;
 398         } req;
 399
 400         if ((iface->flags & CONNMAN_IFACE_FLAG_RTNL) == 0)
 401                 return -1;
 402
 403         DBG("iface %p ipv4 %p", iface, ipv4);
 404
 405         memset(&req, 0, sizeof(req));
 406         req.hdr.nlmsg_len = sizeof(req.hdr) + sizeof(req.msg);
 407         req.hdr.nlmsg_type = RTM_GETADDR;
 408         req.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
 409         req.hdr.nlmsg_pid = 0;
 410         req.hdr.nlmsg_seq = 4711;
 411         req.msg.rtgen_family = AF_INET;
 412
 413         __connman_rtnl_send(&req, sizeof(req));
 414 #endif
 415
 416         return 0;
 417 }
 418
 419 int connman_iface_set_ipv4(struct connman_iface *iface,
 420                                                 struct connman_ipv4 *ipv4)
 421 {
 422         struct ifreq ifr;
 423         struct rtentry rt;
 424         struct sockaddr_in *addr;
 425         char cmd[128];
 426         int sk, err;
 427
 428         if ((iface->flags & CONNMAN_IFACE_FLAG_RTNL) == 0)
 429                 return -1;
 430
 431         DBG("iface %p ipv4 %p", iface, ipv4);
 432
 433         sk = socket(PF_INET, SOCK_DGRAM, 0);
 434         if (sk < 0)
 435                 return -1;
 436
 437         memset(&ifr, 0, sizeof(ifr));
 438         ifr.ifr_ifindex = iface->index;
 439
 440         if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
 441                 close(sk);
 442                 return -1;
 443         }
 444
 445         DBG("ifname %s", ifr.ifr_name);
 446
 447         addr = (struct sockaddr_in *) &ifr.ifr_addr;
 448         addr->sin_family = AF_INET;
 449         addr->sin_addr = ipv4->address;
 450
 451         err = ioctl(sk, SIOCSIFADDR, &ifr);
 452
 453         if (err < 0)
 454                 DBG("address setting failed (%s)", strerror(errno));
 455
 456         addr = (struct sockaddr_in *) &ifr.ifr_netmask;
 457         addr->sin_family = AF_INET;
 458         addr->sin_addr = ipv4->netmask;
 459
 460         err = ioctl(sk, SIOCSIFNETMASK, &ifr);
 461
 462         if (err < 0)
 463                 DBG("netmask setting failed (%s)", strerror(errno));
 464
 465         addr = (struct sockaddr_in *) &ifr.ifr_broadaddr;
 466         addr->sin_family = AF_INET;
 467         addr->sin_addr = ipv4->broadcast;
 468
 469         err = ioctl(sk, SIOCSIFBRDADDR, &ifr);
 470
 471         if (err < 0)
 472                 DBG("broadcast setting failed (%s)", strerror(errno));
 473
 474         memset(&rt, 0, sizeof(rt));
 475         rt.rt_flags = RTF_UP | RTF_GATEWAY;
 476
 477         addr = (struct sockaddr_in *) &rt.rt_dst;
 478         addr->sin_family = AF_INET;
 479         addr->sin_addr.s_addr = INADDR_ANY;
 480
 481         addr = (struct sockaddr_in *) &rt.rt_gateway;
 482         addr->sin_family = AF_INET;
 483         addr->sin_addr = ipv4->gateway;
 484
 485         addr = (struct sockaddr_in *) &rt.rt_genmask;
 486         addr->sin_family = AF_INET;
 487         addr->sin_addr.s_addr = INADDR_ANY;
 488
 489         err = ioctl(sk, SIOCADDRT, &rt);
 490
 491         close(sk);
 492
 493         if (err < 0) {
 494                 DBG("default route failed (%s)", strerror(errno));
 495                 return -1;
 496         }
 497
 498         sprintf(cmd, "echo \"nameserver %s\" | resolvconf -a %s",
 499                                 inet_ntoa(ipv4->nameserver), ifr.ifr_name);
 500
 501         DBG("%s", cmd);
 502
 503         err = system(cmd);
 504
 505         return 0;
 506 }
 507
 508 int connman_iface_clear_ipv4(struct connman_iface *iface)
 509 {
 510         struct ifreq ifr;
 511         struct sockaddr_in *addr;
 512         char cmd[128];
 513         int sk, err;
 514
 515         if ((iface->flags & CONNMAN_IFACE_FLAG_RTNL) == 0)
 516                 return -1;
 517
 518         DBG("iface %p", iface);
 519
 520         sk = socket(PF_INET, SOCK_DGRAM, 0);
 521         if (sk < 0)
 522                 return -1;
 523
 524         memset(&ifr, 0, sizeof(ifr));
 525         ifr.ifr_ifindex = iface->index;
 526
 527         if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
 528                 close(sk);
 529                 return -1;
 530         }
 531
 532         DBG("ifname %s", ifr.ifr_name);
 533
 534         addr = (struct sockaddr_in *) &ifr.ifr_addr;
 535         addr->sin_family = AF_INET;
 536         addr->sin_addr.s_addr = INADDR_ANY;
 537
 538         //err = ioctl(sk, SIOCDIFADDR, &ifr);
 539         err = ioctl(sk, SIOCSIFADDR, &ifr);
 540
 541         close(sk);
 542
 543         if (err < 0 && errno != EADDRNOTAVAIL) {
 544                 DBG("address removal failed (%s)", strerror(errno));
 545                 return -1;
 546         }
 547
 548         sprintf(cmd, "resolvconf -d %s", ifr.ifr_name);
 549
 550         DBG("%s", cmd);
 551
 552         err = system(cmd);
 553
 554         return 0;
 555 }
 556
 557 static DBusMessage *scan_iface(DBusConnection *conn,
 558                                         DBusMessage *msg, void *data)
 559 {
 560         struct connman_iface *iface = data;
 561         struct connman_iface_driver *driver = iface->driver;
 562         DBusMessage *reply;
 563
 564         DBG("conn %p", conn);
 565
 566         reply = dbus_message_new_method_return(msg);
 567         if (reply == NULL)
 568                 return NULL;
 569
 570         if (driver->scan)
 571                 driver->scan(iface);
 572
 573         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 574
 575         return reply;
 576 }
 577
 578 static DBusMessage *get_properties(DBusConnection *conn,
 579                                         DBusMessage *msg, void *data)
 580 {
 581         struct connman_iface *iface = data;
 582         DBusMessage *reply;
 583         DBusMessageIter array, dict;
 584         const char *str;
 585
 586         DBG("conn %p", conn);
 587
 588         reply = dbus_message_new_method_return(msg);
 589         if (reply == NULL)
 590                 return NULL;
 591
 592         dbus_message_iter_init_append(reply, &array);
 593
 594         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 595                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 596                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 597                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 598
 599         str = __connman_iface_type2string(iface->type);
 600         append_entry(&dict, "Type", DBUS_TYPE_STRING, &str);
 601
 602         str = __connman_iface_state2string(iface->state);
 603         append_entry(&dict, "State", DBUS_TYPE_STRING, &str);
 604
 605         if (iface->type == CONNMAN_IFACE_TYPE_80211) {
 606                 dbus_uint16_t signal = 75;
 607                 append_entry(&dict, "Signal", DBUS_TYPE_UINT16, &signal);
 608         }
 609
 610         str = __connman_iface_policy2string(iface->policy);
 611         append_entry(&dict, "Policy", DBUS_TYPE_STRING, &str);
 612
 613         if (iface->device.driver != NULL)
 614                 append_entry(&dict, "Driver",
 615                                 DBUS_TYPE_STRING, &iface->device.driver);
 616
 617         if (iface->device.vendor != NULL)
 618                 append_entry(&dict, "Vendor",
 619                                 DBUS_TYPE_STRING, &iface->device.vendor);
 620
 621         if (iface->device.product != NULL)
 622                 append_entry(&dict, "Product",
 623                                 DBUS_TYPE_STRING, &iface->device.product);
 624
 625         dbus_message_iter_close_container(&array, &dict);
 626
 627         return reply;
 628 }
 629
 630 static DBusMessage *get_state(DBusConnection *conn,
 631                                         DBusMessage *msg, void *data)
 632 {
 633         struct connman_iface *iface = data;
 634         DBusMessage *reply;
 635         const char *state;
 636
 637         DBG("conn %p", conn);
 638
 639         reply = dbus_message_new_method_return(msg);
 640         if (reply == NULL)
 641                 return NULL;
 642
 643         state = __connman_iface_state2string(iface->state);
 644
 645         dbus_message_append_args(reply, DBUS_TYPE_STRING, &state,
 646                                                         DBUS_TYPE_INVALID);
 647
 648         return reply;
 649 }
 650
 651 static DBusMessage *get_signal(DBusConnection *conn,
 652                                         DBusMessage *msg, void *data)
 653 {
 654         struct connman_iface *iface = data;
 655         DBusMessage *reply;
 656         dbus_uint16_t signal;
 657
 658         DBG("conn %p", conn);
 659
 660         reply = dbus_message_new_method_return(msg);
 661         if (reply == NULL)
 662                 return NULL;
 663
 664         if (iface->type == CONNMAN_IFACE_TYPE_80211)
 665                 signal = 75;
 666         else
 667                 signal = 0;
 668
 669         dbus_message_append_args(reply, DBUS_TYPE_UINT16, &signal,
 670                                                         DBUS_TYPE_INVALID);
 671
 672         return reply;
 673 }
 674
 675 static DBusMessage *get_policy(DBusConnection *conn,
 676                                         DBusMessage *msg, void *data)
 677 {
 678         struct connman_iface *iface = data;
 679         DBusMessage *reply;
 680         const char *policy;
 681
 682         DBG("conn %p", conn);
 683
 684         reply = dbus_message_new_method_return(msg);
 685         if (reply == NULL)
 686                 return NULL;
 687
 688         policy = __connman_iface_policy2string(iface->policy);
 689
 690         dbus_message_append_args(reply, DBUS_TYPE_STRING, &policy,
 691                                                         DBUS_TYPE_INVALID);
 692
 693         return reply;
 694 }
 695
 696 static DBusMessage *set_policy(DBusConnection *conn,
 697                                         DBusMessage *msg, void *data)
 698 {
 699         struct connman_iface *iface = data;
 700         DBusMessage *reply;
 701         enum connman_iface_policy new_policy;
 702         const char *policy;
 703
 704         DBG("conn %p", conn);
 705
 706         dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &policy,
 707                                                         DBUS_TYPE_INVALID);
 708
 709         new_policy = __connman_iface_string2policy(policy);
 710
 711         reply = dbus_message_new_method_return(msg);
 712         if (reply == NULL)
 713                 return NULL;
 714
 715         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 716
 717         if (iface->policy != new_policy) {
 718                 iface->policy = new_policy;
 719                 __connman_iface_store(iface);
 720
 721                 switch_policy(iface);
 722                 policy = __connman_iface_policy2string(new_policy);
 723
 724                 g_dbus_emit_signal(conn, iface->path, CONNMAN_IFACE_INTERFACE,
 725                                 "PolicyChanged", DBUS_TYPE_STRING, &policy,
 726                                                         DBUS_TYPE_INVALID);
 727         }
 728
 729         return reply;
 730 }
 731
 732 static void append_network(DBusMessage *reply,
 733                                 struct connman_iface *iface, gboolean secrets)
 734 {
 735         DBusMessageIter array, dict;
 736
 737         dbus_message_iter_init_append(reply, &array);
 738
 739         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 740                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 741                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 742                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 743
 744         switch (iface->type) {
 745         case CONNMAN_IFACE_TYPE_80211:
 746                 if (iface->network.identifier != NULL)
 747                         append_entry(&dict, "ESSID",
 748                                 DBUS_TYPE_STRING, &iface->network.identifier);
 749                 if (secrets == TRUE && iface->network.passphrase != NULL)
 750                         append_entry(&dict, "PSK",
 751                                 DBUS_TYPE_STRING, &iface->network.passphrase);
 752                 break;
 753         default:
 754                 break;
 755         }
 756
 757         dbus_message_iter_close_container(&array, &dict);
 758 }
 759
 760 static DBusMessage *get_network(DBusConnection *conn,
 761                                         DBusMessage *msg, void *data)
 762 {
 763         struct connman_iface *iface = data;
 764         DBusMessage *reply;
 765
 766         DBG("conn %p", conn);
 767
 768         reply = dbus_message_new_method_return(msg);
 769         if (reply == NULL)
 770                 return NULL;
 771
 772         append_network(reply, iface, TRUE);
 773
 774         return reply;
 775 }
 776
 777 static DBusMessage *set_network(DBusConnection *conn,
 778                                         DBusMessage *msg, void *data)
 779 {
 780         struct connman_iface *iface = data;
 781         DBusMessage *reply, *signal;
 782         DBusMessageIter array, dict;
 783         gboolean changed = FALSE;
 784
 785         DBG("conn %p", conn);
 786
 787         dbus_message_iter_init(msg, &array);
 788
 789         dbus_message_iter_recurse(&array, &dict);
 790
 791         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 792                 DBusMessageIter entry, value;
 793                 const char *key, *val;
 794
 795                 dbus_message_iter_recurse(&dict, &entry);
 796                 dbus_message_iter_get_basic(&entry, &key);
 797
 798                 dbus_message_iter_next(&entry);
 799
 800                 dbus_message_iter_recurse(&entry, &value);
 801
 802                 //type = dbus_message_iter_get_arg_type(&value);
 803                 dbus_message_iter_get_basic(&value, &val);
 804
 805                 if (g_strcasecmp(key, "ESSID") == 0) {
 806                         g_free(iface->network.identifier);
 807                         iface->network.identifier = g_strdup(val);
 808                         changed = TRUE;
 809                 }
 810
 811                 if (g_strcasecmp(key, "PSK") == 0) {
 812                         g_free(iface->network.passphrase);
 813                         iface->network.passphrase = g_strdup(val);
 814                         changed = TRUE;
 815                 }
 816
 817                 dbus_message_iter_next(&dict);
 818         }
 819
 820         reply = dbus_message_new_method_return(msg);
 821         if (reply == NULL)
 822                 return NULL;
 823
 824         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 825
 826         if (changed == TRUE) {
 827                 __connman_iface_store(iface);
 828
 829                 signal = dbus_message_new_signal(iface->path,
 830                                 CONNMAN_IFACE_INTERFACE, "NetworkChanged");
 831                 if (signal != NULL) {
 832                         append_network(signal, iface, FALSE);
 833                         dbus_connection_send(conn, signal, NULL);
 834                         dbus_message_unref(signal);
 835                 }
 836
 837                 if (iface->driver->disconnect)
 838                         iface->driver->disconnect(iface);
 839
 840                 if (iface->driver->connect)
 841                         iface->driver->connect(iface, &iface->network);
 842         }
 843
 844         return reply;
 845 }
 846
 847 static DBusMessage *select_network(DBusConnection *conn,
 848                                         DBusMessage *msg, void *data)
 849 {
 850         struct connman_iface *iface = data;
 851         DBusMessage *reply;
 852         const char *network;
 853
 854         DBG("conn %p", conn);
 855
 856         dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &network,
 857                                                         DBUS_TYPE_INVALID);
 858
 859         g_free(iface->network.identifier);
 860         iface->network.identifier = g_strdup(network);
 861
 862         if (iface->driver->disconnect)
 863                 iface->driver->disconnect(iface);
 864
 865         if (iface->driver->connect)
 866                 iface->driver->connect(iface, &iface->network);
 867
 868         reply = dbus_message_new_method_return(msg);
 869         if (reply == NULL)
 870                 return NULL;
 871
 872         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 873
 874         return reply;
 875 }
 876
 877 static void append_ipv4(DBusMessage *reply, struct connman_iface *iface)
 878 {
 879         DBusMessageIter array, dict;
 880         const char *str;
 881
 882         dbus_message_iter_init_append(reply, &array);
 883
 884         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 885                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 886                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 887                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 888
 889         str = __connman_ipv4_method2string(iface->ipv4.method);
 890         append_entry(&dict, "Method", DBUS_TYPE_STRING, &str);
 891
 892         if (iface->ipv4.address.s_addr != INADDR_ANY) {
 893                 str = inet_ntoa(iface->ipv4.address);
 894                 append_entry(&dict, "Address", DBUS_TYPE_STRING, &str);
 895         }
 896
 897         if (iface->ipv4.netmask.s_addr != INADDR_ANY) {
 898                 str = inet_ntoa(iface->ipv4.netmask);
 899                 append_entry(&dict, "Netmask", DBUS_TYPE_STRING, &str);
 900         }
 901
 902         if (iface->ipv4.gateway.s_addr != INADDR_ANY) {
 903                 str = inet_ntoa(iface->ipv4.gateway);
 904                 append_entry(&dict, "Gateway", DBUS_TYPE_STRING, &str);
 905         }
 906
 907         dbus_message_iter_close_container(&array, &dict);
 908 }
 909
 910 static DBusMessage *get_ipv4(DBusConnection *conn,
 911                                         DBusMessage *msg, void *data)
 912 {
 913         struct connman_iface *iface = data;
 914         DBusMessage *reply;
 915
 916         DBG("conn %p", conn);
 917
 918         reply = dbus_message_new_method_return(msg);
 919         if (reply == NULL)
 920                 return NULL;
 921
 922         append_ipv4(reply, iface);
 923
 924         return reply;
 925 }
 926
 927 static DBusMessage *set_ipv4(DBusConnection *conn,
 928                                         DBusMessage *msg, void *data)
 929 {
 930         struct connman_iface *iface = data;
 931         DBusMessage *reply, *signal;
 932         DBusMessageIter array, dict;
 933         gboolean changed = FALSE;
 934
 935         DBG("conn %p", conn);
 936
 937         dbus_message_iter_init(msg, &array);
 938
 939         dbus_message_iter_recurse(&array, &dict);
 940
 941         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 942                 DBusMessageIter entry, value;
 943                 const char *key, *val;
 944                 enum connman_ipv4_method method;
 945                 in_addr_t addr;
 946
 947                 dbus_message_iter_recurse(&dict, &entry);
 948                 dbus_message_iter_get_basic(&entry, &key);
 949
 950                 dbus_message_iter_next(&entry);
 951
 952                 dbus_message_iter_recurse(&entry, &value);
 953
 954                 //type = dbus_message_iter_get_arg_type(&value);
 955                 dbus_message_iter_get_basic(&value, &val);
 956
 957                 if (g_strcasecmp(key, "Method") == 0) {
 958                         method = __connman_ipv4_string2method(val);
 959                         if (iface->ipv4.method != method) {
 960                                 iface->ipv4.method = method;
 961                                 changed = TRUE;
 962                         }
 963                 }
 964
 965                 if (g_strcasecmp(key, "Address") == 0) {
 966                         addr = inet_addr(val);
 967                         if (iface->ipv4.address.s_addr != addr) {
 968                                 iface->ipv4.address.s_addr = addr;
 969                                 changed = TRUE;
 970                         }
 971                 }
 972
 973                 if (g_strcasecmp(key, "Netmask") == 0) {
 974                         addr = inet_addr(val);
 975                         if (iface->ipv4.netmask.s_addr != addr) {
 976                                 iface->ipv4.netmask.s_addr = addr;
 977                                 changed = TRUE;
 978                         }
 979                 }
 980
 981                 if (g_strcasecmp(key, "Gateway") == 0) {
 982                         addr = inet_addr(val);
 983                         if (iface->ipv4.gateway.s_addr != addr) {
 984                                 iface->ipv4.gateway.s_addr = addr;
 985                                 changed = TRUE;
 986                         }
 987                 }
 988
 989                 dbus_message_iter_next(&dict);
 990         }
 991
 992         reply = dbus_message_new_method_return(msg);
 993         if (reply == NULL)
 994                 return NULL;
 995
 996         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 997
 998         if (changed == TRUE) {
 999                 __connman_iface_store(iface);
1000
1001                 signal = dbus_message_new_signal(iface->path,
1002                                 CONNMAN_IFACE_INTERFACE, "IPv4Changed");
1003                 if (signal != NULL) {
1004                         append_ipv4(signal, iface);
1005                         dbus_connection_send(conn, signal, NULL);
1006                         dbus_message_unref(signal);
1007                 }
1008         }
1009
1010         return reply;
1011 }
1012
1013 static GDBusMethodTable iface_methods[] = {
1014         { "Scan",          "",      "",      scan_iface     },
1015         { "GetProperties", "",      "a{sv}", get_properties },
1016         { "GetState",      "",      "s",     get_state      },
1017         { "GetSignal",     "",      "q",     get_signal     },
1018         { "GetPolicy",     "",      "s",     get_policy     },
1019         { "SetPolicy",     "s",     "",      set_policy     },
1020         { "GetNetwork",    "",      "a{sv}", get_network    },
1021         { "SetNetwork",    "a{sv}", "",      set_network    },
1022         { "SelectNetwork", "s",     "",      select_network },
1023         { "GetIPv4",       "",      "a{sv}", get_ipv4       },
1024         { "SetIPv4",       "a{sv}", "",      set_ipv4       },
1025         { },
1026 };
1027
1028 static GDBusSignalTable iface_signals[] = {
1029         { "StateChanged",   "s"     },
1030         { "SignalChanged",  "q"     },
1031         { "PolicyChanged",  "s"     },
1032         { "NetworkFound",   "a{sv}" },
1033         { "NetworkChanged", "a{sv}" },
1034         { "IPv4Changed",    "a{sv}" },
1035         { },
1036 };
1037
1038 static void device_free(void *data)
1039 {
1040         struct connman_iface *iface = data;
1041
1042         DBG("iface %p", iface);
1043
1044         connman_iface_clear_ipv4(iface);
1045
1046         if (iface->driver && iface->driver->remove)
1047                 iface->driver->remove(iface);
1048
1049         g_free(iface->path);
1050         g_free(iface->udi);
1051         g_free(iface->sysfs);
1052         g_free(iface->identifier);
1053         g_free(iface->network.identifier);
1054         g_free(iface->network.passphrase);
1055         g_free(iface->device.driver);
1056         g_free(iface->device.vendor);
1057         g_free(iface->device.product);
1058         g_free(iface);
1059 }
1060
1061 static void detect_device_info(LibHalContext *ctx, struct connman_iface *iface)
1062 {
1063         char *parent, *subsys, *value;
1064
1065         parent = libhal_device_get_property_string(ctx, iface->udi,
1066                                                 "info.parent", NULL);
1067
1068         subsys = libhal_device_get_property_string(ctx, iface->udi,
1069                                                 "linux.subsystem", NULL);
1070
1071         value = libhal_device_get_property_string(ctx, iface->udi,
1072                                                 "info.linux.driver", NULL);
1073         if (value == NULL) {
1074                 value = libhal_device_get_property_string(ctx, parent,
1075                                                 "info.linux.driver", NULL);
1076                 if (value != NULL)
1077                         iface->device.driver = g_strdup(value);
1078         }
1079
1080         if (strcmp(subsys, "net") == 0) {
1081                 value = libhal_device_get_property_string(ctx, parent,
1082                                                         "info.vendor", NULL);
1083                 if (value != NULL)
1084                         iface->device.vendor = g_strdup(value);
1085
1086                 value = libhal_device_get_property_string(ctx, parent,
1087                                                         "info.product", NULL);
1088                 if (value != NULL)
1089                         iface->device.product = g_strdup(value);
1090         }
1091 }
1092
1093 static int probe_device(LibHalContext *ctx,
1094                         struct connman_iface_driver *driver, const char *udi)
1095 {
1096         DBusConnection *conn;
1097         struct connman_iface *iface;
1098         char *temp, *sysfs, *ifname;
1099         int err;
1100
1101         DBG("ctx %p driver %p udi %s", ctx, driver, udi);
1102
1103         if (!driver->probe)
1104                 return -1;
1105
1106         iface = g_try_new0(struct connman_iface, 1);
1107         if (iface == NULL)
1108                 return -1;
1109
1110         temp = g_path_get_basename(udi);
1111         iface->path = g_strdup_printf("%s/%s", CONNMAN_IFACE_BASEPATH, temp);
1112         g_free(temp);
1113
1114         iface->udi = g_strdup(udi);
1115
1116         DBG("iface %p path %s", iface, iface->path);
1117
1118         sysfs = libhal_device_get_property_string(ctx, udi,
1119                                                 "linux.sysfs_path", NULL);
1120         if (sysfs != NULL)
1121                 iface->sysfs = g_strdup(sysfs);
1122
1123         detect_device_info(ctx, iface);
1124
1125         iface->index = -1;
1126
1127         if (g_str_has_prefix(driver->capability, "net") == TRUE) {
1128                 iface->index = libhal_device_get_property_int(ctx, udi,
1129                                                 "net.linux.ifindex", NULL);
1130
1131                 ifname = libhal_device_get_property_string(ctx, udi,
1132                                                 "net.interface", NULL);
1133                 if (ifname != NULL && ifname_filter != NULL &&
1134                                                 *ifname_filter != '\0' &&
1135                                 g_str_equal(ifname, ifname_filter) == FALSE) {
1136                         device_free(iface);
1137                         return -1;
1138                 }
1139         }
1140
1141         iface->type = CONNMAN_IFACE_TYPE_UNKNOWN;
1142         iface->flags = 0;
1143         iface->state = CONNMAN_IFACE_STATE_UNKNOWN;
1144         iface->policy = CONNMAN_IFACE_POLICY_UNKNOWN;
1145
1146         err = driver->probe(iface);
1147         if (err < 0) {
1148                 device_free(iface);
1149                 return -1;
1150         }
1151
1152         __connman_iface_create_identifier(iface);
1153
1154         __connman_iface_init_via_inet(iface);
1155
1156         iface->driver = driver;
1157
1158         __connman_iface_load(iface);
1159
1160         DBG("iface %p network %s secret %s", iface,
1161                                         iface->network.identifier,
1162                                         iface->network.passphrase);
1163
1164         conn = libhal_ctx_get_dbus_connection(ctx);
1165
1166         g_dbus_register_object(conn, iface->path, iface, device_free);
1167
1168         interfaces = g_slist_append(interfaces, iface);
1169
1170         if (iface->flags & CONNMAN_IFACE_FLAG_IPV4) {
1171                 connman_iface_get_ipv4(iface, &iface->ipv4);
1172
1173                 DBG("address %s", inet_ntoa(iface->ipv4.address));
1174         }
1175
1176         g_dbus_register_interface(conn, iface->path,
1177                                         CONNMAN_IFACE_INTERFACE,
1178                                         iface_methods, iface_signals, NULL);
1179
1180         DBG("iface %p identifier %s", iface, iface->identifier);
1181
1182         g_dbus_emit_signal(conn, CONNMAN_MANAGER_PATH,
1183                                         CONNMAN_MANAGER_INTERFACE,
1184                                         "InterfaceAdded",
1185                                         DBUS_TYPE_OBJECT_PATH, &iface->path,
1186                                         DBUS_TYPE_INVALID);
1187
1188         switch_policy(iface);
1189
1190         return 0;
1191 }
1192
1193 static void device_added(LibHalContext *ctx, const char *udi)
1194 {
1195         GSList *list;
1196
1197         DBG("ctx %p udi %s", ctx, udi);
1198
1199         for (list = drivers; list; list = list->next) {
1200                 struct connman_iface_driver *driver = list->data;
1201
1202                 if (driver->capability == NULL)
1203                         continue;
1204
1205                 if (libhal_device_query_capability(ctx, udi,
1206                                         driver->capability, NULL) == TRUE) {
1207                         if (probe_device(ctx, driver, udi) == 0)
1208                                 break;
1209                 }
1210         }
1211 }
1212
1213 static void device_removed(LibHalContext *ctx, const char *udi)
1214 {
1215         DBusConnection *conn;
1216         GSList *list;
1217
1218         DBG("ctx %p udi %s", ctx, udi);
1219
1220         conn = libhal_ctx_get_dbus_connection(ctx);
1221
1222         for (list = interfaces; list; list = list->next) {
1223                 struct connman_iface *iface = list->data;
1224
1225                 if (strcmp(udi, iface->udi) == 0) {
1226                         g_dbus_emit_signal(conn, CONNMAN_MANAGER_PATH,
1227                                         CONNMAN_MANAGER_INTERFACE,
1228                                         "InterfaceRemoved",
1229                                         DBUS_TYPE_OBJECT_PATH, &iface->path,
1230                                         DBUS_TYPE_INVALID);
1231                         interfaces = g_slist_remove(interfaces, iface);
1232                         g_dbus_unregister_interface(conn, iface->path,
1233                                                 CONNMAN_IFACE_INTERFACE);
1234                         g_dbus_unregister_object(conn, iface->path);
1235                         break;
1236                 }
1237         }
1238 }
1239
1240 static void probe_driver(LibHalContext *ctx,
1241                                 struct connman_iface_driver *driver)
1242 {
1243         char **list;
1244         int num;
1245
1246         DBG("ctx %p driver %p", ctx, driver);
1247
1248         list = libhal_find_device_by_capability(ctx,
1249                                         driver->capability, &num, NULL);
1250         if (list) {
1251                 char **tmp = list;
1252
1253                 while (*tmp) {
1254                         probe_device(ctx, driver, *tmp);
1255                         tmp++;
1256                 }
1257
1258                 libhal_free_string_array(list);
1259         }
1260 }
1261
1262 static void find_devices(LibHalContext *ctx)
1263 {
1264         GSList *list;
1265
1266         DBG("ctx %p", ctx);
1267
1268         for (list = drivers; list; list = list->next) {
1269                 struct connman_iface_driver *driver = list->data;
1270
1271                 DBG("driver %p", driver);
1272
1273                 if (driver->capability == NULL)
1274                         continue;
1275
1276                 probe_driver(ctx, driver);
1277         }
1278 }
1279
1280 static LibHalContext *hal_ctx = NULL;
1281
1282 static void hal_init(void *data)
1283 {
1284         DBusConnection *conn = data;
1285
1286         DBG("conn %p", conn);
1287
1288         if (hal_ctx != NULL)
1289                 return;
1290
1291         hal_ctx = libhal_ctx_new();
1292         if (hal_ctx == NULL)
1293                 return;
1294
1295         if (libhal_ctx_set_dbus_connection(hal_ctx, conn) == FALSE) {
1296                 libhal_ctx_free(hal_ctx);
1297                 return;
1298         }
1299
1300         if (libhal_ctx_init(hal_ctx, NULL) == FALSE) {
1301                 libhal_ctx_free(hal_ctx);
1302                 return ;
1303         }
1304
1305         libhal_ctx_set_device_added(hal_ctx, device_added);
1306         libhal_ctx_set_device_removed(hal_ctx, device_removed);
1307
1308         //libhal_ctx_set_device_new_capability(hal_ctx, new_capability);
1309         //libhal_ctx_set_device_lost_capability(hal_ctx, lost_capability);
1310
1311         find_devices(hal_ctx);
1312 }
1313
1314 static void hal_cleanup(void *data)
1315 {
1316         DBusConnection *conn = data;
1317         GSList *list;
1318
1319         DBG("conn %p", conn);
1320
1321         if (hal_ctx == NULL)
1322                 return;
1323
1324         for (list = interfaces; list; list = list->next) {
1325                 struct connman_iface *iface = list->data;
1326
1327                 DBG("path %s", iface->path);
1328
1329                 g_dbus_emit_signal(conn, CONNMAN_MANAGER_PATH,
1330                                         CONNMAN_MANAGER_INTERFACE,
1331                                         "InterfaceRemoved",
1332                                         DBUS_TYPE_OBJECT_PATH, &iface->path,
1333                                         DBUS_TYPE_INVALID);
1334
1335                 g_dbus_unregister_interface(conn, iface->path,
1336                                                 CONNMAN_IFACE_INTERFACE);
1337
1338                 g_dbus_unregister_object(conn, iface->path);
1339         }
1340
1341         g_slist_free(interfaces);
1342
1343         interfaces = NULL;
1344
1345         libhal_ctx_shutdown(hal_ctx, NULL);
1346
1347         libhal_ctx_free(hal_ctx);
1348
1349         hal_ctx = NULL;
1350 }
1351
1352 static guint hal_watch = 0;
1353
1354 int __connman_iface_init(DBusConnection *conn, const char *interface)
1355 {
1356         DBG("conn %p", conn);
1357
1358         connection = dbus_connection_ref(conn);
1359         if (connection == NULL)
1360                 return -1;
1361
1362         if (interface != NULL)
1363                 ifname_filter = g_strdup(interface);
1364
1365         hal_init(connection);
1366
1367         hal_watch = g_dbus_add_watch(connection, "org.freedesktop.Hal",
1368                                 hal_init, hal_cleanup, connection, NULL);
1369
1370         return 0;
1371 }
1372
1373 void __connman_iface_cleanup(void)
1374 {
1375         DBG("conn %p", connection);
1376
1377         g_dbus_remove_watch(connection, hal_watch);
1378
1379         hal_cleanup(connection);
1380
1381         g_free(ifname_filter);
1382
1383         dbus_connection_unref(connection);
1384 }