git.maemo.org Git - connman/blob - 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         char *passphrase;
 364
 365         DBG("iface %p security %d name %s", iface, security, name);
 366
 367         if (name == NULL || strlen(name) == 0)
 368                 return;
 369
 370         signal = dbus_message_new_signal(iface->path,
 371                                 CONNMAN_IFACE_INTERFACE, "NetworkFound");
 372         if (signal == NULL)
 373                 return;
 374
 375         append_station(signal, name, strength, security);
 376
 377         dbus_connection_send(connection, signal, NULL);
 378         dbus_message_unref(signal);
 379
 380         if (iface->state != CONNMAN_IFACE_STATE_SCANNING)
 381                 return;
 382
 383         passphrase = __connman_iface_find_passphrase(iface, name);
 384         if (passphrase != NULL) {
 385                 g_free(iface->network.identifier);
 386                 iface->network.identifier = g_strdup(name);
 387                 g_free(iface->network.passphrase);
 388                 iface->network.passphrase = passphrase;
 389
 390                 if (iface->driver->connect) {
 391                         iface->driver->connect(iface, &iface->network);
 392                         iface->state = CONNMAN_IFACE_STATE_CONNECT;
 393                         state_changed(iface);
 394                 }
 395         }
 396 }
 397
 398 int connman_iface_get_ipv4(struct connman_iface *iface,
 399                                                 struct connman_ipv4 *ipv4)
 400 {
 401 #if 0
 402         struct {
 403                 struct nlmsghdr hdr;
 404                 struct rtgenmsg msg;
 405         } req;
 406
 407         if ((iface->flags & CONNMAN_IFACE_FLAG_RTNL) == 0)
 408                 return -1;
 409
 410         DBG("iface %p ipv4 %p", iface, ipv4);
 411
 412         memset(&req, 0, sizeof(req));
 413         req.hdr.nlmsg_len = sizeof(req.hdr) + sizeof(req.msg);
 414         req.hdr.nlmsg_type = RTM_GETADDR;
 415         req.hdr.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
 416         req.hdr.nlmsg_pid = 0;
 417         req.hdr.nlmsg_seq = 4711;
 418         req.msg.rtgen_family = AF_INET;
 419
 420         __connman_rtnl_send(&req, sizeof(req));
 421 #endif
 422
 423         return 0;
 424 }
 425
 426 int connman_iface_set_ipv4(struct connman_iface *iface,
 427                                                 struct connman_ipv4 *ipv4)
 428 {
 429         struct ifreq ifr;
 430         struct rtentry rt;
 431         struct sockaddr_in *addr;
 432         char cmd[128];
 433         int sk, err;
 434
 435         if ((iface->flags & CONNMAN_IFACE_FLAG_RTNL) == 0)
 436                 return -1;
 437
 438         DBG("iface %p ipv4 %p", iface, ipv4);
 439
 440         sk = socket(PF_INET, SOCK_DGRAM, 0);
 441         if (sk < 0)
 442                 return -1;
 443
 444         memset(&ifr, 0, sizeof(ifr));
 445         ifr.ifr_ifindex = iface->index;
 446
 447         if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
 448                 close(sk);
 449                 return -1;
 450         }
 451
 452         DBG("ifname %s", ifr.ifr_name);
 453
 454         addr = (struct sockaddr_in *) &ifr.ifr_addr;
 455         addr->sin_family = AF_INET;
 456         addr->sin_addr = ipv4->address;
 457
 458         err = ioctl(sk, SIOCSIFADDR, &ifr);
 459
 460         if (err < 0)
 461                 DBG("address setting failed (%s)", strerror(errno));
 462
 463         addr = (struct sockaddr_in *) &ifr.ifr_netmask;
 464         addr->sin_family = AF_INET;
 465         addr->sin_addr = ipv4->netmask;
 466
 467         err = ioctl(sk, SIOCSIFNETMASK, &ifr);
 468
 469         if (err < 0)
 470                 DBG("netmask setting failed (%s)", strerror(errno));
 471
 472         addr = (struct sockaddr_in *) &ifr.ifr_broadaddr;
 473         addr->sin_family = AF_INET;
 474         addr->sin_addr = ipv4->broadcast;
 475
 476         err = ioctl(sk, SIOCSIFBRDADDR, &ifr);
 477
 478         if (err < 0)
 479                 DBG("broadcast setting failed (%s)", strerror(errno));
 480
 481         memset(&rt, 0, sizeof(rt));
 482         rt.rt_flags = RTF_UP | RTF_GATEWAY;
 483
 484         addr = (struct sockaddr_in *) &rt.rt_dst;
 485         addr->sin_family = AF_INET;
 486         addr->sin_addr.s_addr = INADDR_ANY;
 487
 488         addr = (struct sockaddr_in *) &rt.rt_gateway;
 489         addr->sin_family = AF_INET;
 490         addr->sin_addr = ipv4->gateway;
 491
 492         addr = (struct sockaddr_in *) &rt.rt_genmask;
 493         addr->sin_family = AF_INET;
 494         addr->sin_addr.s_addr = INADDR_ANY;
 495
 496         err = ioctl(sk, SIOCADDRT, &rt);
 497
 498         close(sk);
 499
 500         if (err < 0) {
 501                 DBG("default route failed (%s)", strerror(errno));
 502                 return -1;
 503         }
 504
 505         sprintf(cmd, "echo \"nameserver %s\" | resolvconf -a %s",
 506                                 inet_ntoa(ipv4->nameserver), ifr.ifr_name);
 507
 508         DBG("%s", cmd);
 509
 510         err = system(cmd);
 511
 512         return 0;
 513 }
 514
 515 int connman_iface_clear_ipv4(struct connman_iface *iface)
 516 {
 517         struct ifreq ifr;
 518         struct sockaddr_in *addr;
 519         char cmd[128];
 520         int sk, err;
 521
 522         if ((iface->flags & CONNMAN_IFACE_FLAG_RTNL) == 0)
 523                 return -1;
 524
 525         DBG("iface %p", iface);
 526
 527         sk = socket(PF_INET, SOCK_DGRAM, 0);
 528         if (sk < 0)
 529                 return -1;
 530
 531         memset(&ifr, 0, sizeof(ifr));
 532         ifr.ifr_ifindex = iface->index;
 533
 534         if (ioctl(sk, SIOCGIFNAME, &ifr) < 0) {
 535                 close(sk);
 536                 return -1;
 537         }
 538
 539         DBG("ifname %s", ifr.ifr_name);
 540
 541         addr = (struct sockaddr_in *) &ifr.ifr_addr;
 542         addr->sin_family = AF_INET;
 543         addr->sin_addr.s_addr = INADDR_ANY;
 544
 545         //err = ioctl(sk, SIOCDIFADDR, &ifr);
 546         err = ioctl(sk, SIOCSIFADDR, &ifr);
 547
 548         close(sk);
 549
 550         if (err < 0 && errno != EADDRNOTAVAIL) {
 551                 DBG("address removal failed (%s)", strerror(errno));
 552                 return -1;
 553         }
 554
 555         sprintf(cmd, "resolvconf -d %s", ifr.ifr_name);
 556
 557         DBG("%s", cmd);
 558
 559         err = system(cmd);
 560
 561         return 0;
 562 }
 563
 564 static DBusMessage *scan_iface(DBusConnection *conn,
 565                                         DBusMessage *msg, void *data)
 566 {
 567         struct connman_iface *iface = data;
 568         struct connman_iface_driver *driver = iface->driver;
 569         DBusMessage *reply;
 570
 571         DBG("conn %p", conn);
 572
 573         reply = dbus_message_new_method_return(msg);
 574         if (reply == NULL)
 575                 return NULL;
 576
 577         if (driver->scan)
 578                 driver->scan(iface);
 579
 580         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 581
 582         return reply;
 583 }
 584
 585 static DBusMessage *get_properties(DBusConnection *conn,
 586                                         DBusMessage *msg, void *data)
 587 {
 588         struct connman_iface *iface = data;
 589         DBusMessage *reply;
 590         DBusMessageIter array, dict;
 591         const char *str;
 592
 593         DBG("conn %p", conn);
 594
 595         reply = dbus_message_new_method_return(msg);
 596         if (reply == NULL)
 597                 return NULL;
 598
 599         dbus_message_iter_init_append(reply, &array);
 600
 601         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 602                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 603                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 604                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 605
 606         str = __connman_iface_type2string(iface->type);
 607         append_entry(&dict, "Type", DBUS_TYPE_STRING, &str);
 608
 609         str = __connman_iface_state2string(iface->state);
 610         append_entry(&dict, "State", DBUS_TYPE_STRING, &str);
 611
 612         if (iface->type == CONNMAN_IFACE_TYPE_80211) {
 613                 dbus_uint16_t signal = 75;
 614                 append_entry(&dict, "Signal", DBUS_TYPE_UINT16, &signal);
 615         }
 616
 617         str = __connman_iface_policy2string(iface->policy);
 618         append_entry(&dict, "Policy", DBUS_TYPE_STRING, &str);
 619
 620         if (iface->device.driver != NULL)
 621                 append_entry(&dict, "Driver",
 622                                 DBUS_TYPE_STRING, &iface->device.driver);
 623
 624         if (iface->device.vendor != NULL)
 625                 append_entry(&dict, "Vendor",
 626                                 DBUS_TYPE_STRING, &iface->device.vendor);
 627
 628         if (iface->device.product != NULL)
 629                 append_entry(&dict, "Product",
 630                                 DBUS_TYPE_STRING, &iface->device.product);
 631
 632         dbus_message_iter_close_container(&array, &dict);
 633
 634         return reply;
 635 }
 636
 637 static DBusMessage *get_state(DBusConnection *conn,
 638                                         DBusMessage *msg, void *data)
 639 {
 640         struct connman_iface *iface = data;
 641         DBusMessage *reply;
 642         const char *state;
 643
 644         DBG("conn %p", conn);
 645
 646         reply = dbus_message_new_method_return(msg);
 647         if (reply == NULL)
 648                 return NULL;
 649
 650         state = __connman_iface_state2string(iface->state);
 651
 652         dbus_message_append_args(reply, DBUS_TYPE_STRING, &state,
 653                                                         DBUS_TYPE_INVALID);
 654
 655         return reply;
 656 }
 657
 658 static DBusMessage *get_signal(DBusConnection *conn,
 659                                         DBusMessage *msg, void *data)
 660 {
 661         struct connman_iface *iface = data;
 662         DBusMessage *reply;
 663         dbus_uint16_t signal;
 664
 665         DBG("conn %p", conn);
 666
 667         reply = dbus_message_new_method_return(msg);
 668         if (reply == NULL)
 669                 return NULL;
 670
 671         if (iface->type == CONNMAN_IFACE_TYPE_80211)
 672                 signal = 75;
 673         else
 674                 signal = 0;
 675
 676         dbus_message_append_args(reply, DBUS_TYPE_UINT16, &signal,
 677                                                         DBUS_TYPE_INVALID);
 678
 679         return reply;
 680 }
 681
 682 static DBusMessage *get_policy(DBusConnection *conn,
 683                                         DBusMessage *msg, void *data)
 684 {
 685         struct connman_iface *iface = data;
 686         DBusMessage *reply;
 687         const char *policy;
 688
 689         DBG("conn %p", conn);
 690
 691         reply = dbus_message_new_method_return(msg);
 692         if (reply == NULL)
 693                 return NULL;
 694
 695         policy = __connman_iface_policy2string(iface->policy);
 696
 697         dbus_message_append_args(reply, DBUS_TYPE_STRING, &policy,
 698                                                         DBUS_TYPE_INVALID);
 699
 700         return reply;
 701 }
 702
 703 static DBusMessage *set_policy(DBusConnection *conn,
 704                                         DBusMessage *msg, void *data)
 705 {
 706         struct connman_iface *iface = data;
 707         DBusMessage *reply;
 708         enum connman_iface_policy new_policy;
 709         const char *policy;
 710
 711         DBG("conn %p", conn);
 712
 713         dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &policy,
 714                                                         DBUS_TYPE_INVALID);
 715
 716         new_policy = __connman_iface_string2policy(policy);
 717
 718         reply = dbus_message_new_method_return(msg);
 719         if (reply == NULL)
 720                 return NULL;
 721
 722         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 723
 724         if (iface->policy != new_policy) {
 725                 iface->policy = new_policy;
 726                 __connman_iface_store(iface);
 727
 728                 switch_policy(iface);
 729                 policy = __connman_iface_policy2string(new_policy);
 730
 731                 g_dbus_emit_signal(conn, iface->path, CONNMAN_IFACE_INTERFACE,
 732                                 "PolicyChanged", DBUS_TYPE_STRING, &policy,
 733                                                         DBUS_TYPE_INVALID);
 734         }
 735
 736         return reply;
 737 }
 738
 739 static void append_network(DBusMessage *reply,
 740                                 struct connman_iface *iface, gboolean secrets)
 741 {
 742         DBusMessageIter array, dict;
 743
 744         dbus_message_iter_init_append(reply, &array);
 745
 746         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 747                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 748                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 749                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 750
 751         switch (iface->type) {
 752         case CONNMAN_IFACE_TYPE_80211:
 753                 if (iface->network.identifier != NULL)
 754                         append_entry(&dict, "ESSID",
 755                                 DBUS_TYPE_STRING, &iface->network.identifier);
 756                 if (secrets == TRUE && iface->network.passphrase != NULL)
 757                         append_entry(&dict, "PSK",
 758                                 DBUS_TYPE_STRING, &iface->network.passphrase);
 759                 break;
 760         default:
 761                 break;
 762         }
 763
 764         dbus_message_iter_close_container(&array, &dict);
 765 }
 766
 767 static DBusMessage *get_network(DBusConnection *conn,
 768                                         DBusMessage *msg, void *data)
 769 {
 770         struct connman_iface *iface = data;
 771         DBusMessage *reply;
 772
 773         DBG("conn %p", conn);
 774
 775         reply = dbus_message_new_method_return(msg);
 776         if (reply == NULL)
 777                 return NULL;
 778
 779         append_network(reply, iface, TRUE);
 780
 781         return reply;
 782 }
 783
 784 static DBusMessage *set_network(DBusConnection *conn,
 785                                         DBusMessage *msg, void *data)
 786 {
 787         struct connman_iface *iface = data;
 788         DBusMessage *reply, *signal;
 789         DBusMessageIter array, dict;
 790         gboolean changed = FALSE;
 791
 792         DBG("conn %p", conn);
 793
 794         dbus_message_iter_init(msg, &array);
 795
 796         dbus_message_iter_recurse(&array, &dict);
 797
 798         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 799                 DBusMessageIter entry, value;
 800                 const char *key, *val;
 801
 802                 dbus_message_iter_recurse(&dict, &entry);
 803                 dbus_message_iter_get_basic(&entry, &key);
 804
 805                 dbus_message_iter_next(&entry);
 806
 807                 dbus_message_iter_recurse(&entry, &value);
 808
 809                 //type = dbus_message_iter_get_arg_type(&value);
 810                 dbus_message_iter_get_basic(&value, &val);
 811
 812                 if (g_strcasecmp(key, "ESSID") == 0) {
 813                         g_free(iface->network.identifier);
 814                         iface->network.identifier = g_strdup(val);
 815                         changed = TRUE;
 816                 }
 817
 818                 if (g_strcasecmp(key, "PSK") == 0) {
 819                         g_free(iface->network.passphrase);
 820                         iface->network.passphrase = g_strdup(val);
 821                         changed = TRUE;
 822                 }
 823
 824                 dbus_message_iter_next(&dict);
 825         }
 826
 827         reply = dbus_message_new_method_return(msg);
 828         if (reply == NULL)
 829                 return NULL;
 830
 831         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 832
 833         if (changed == TRUE) {
 834                 __connman_iface_store(iface);
 835
 836                 signal = dbus_message_new_signal(iface->path,
 837                                 CONNMAN_IFACE_INTERFACE, "NetworkChanged");
 838                 if (signal != NULL) {
 839                         append_network(signal, iface, FALSE);
 840                         dbus_connection_send(conn, signal, NULL);
 841                         dbus_message_unref(signal);
 842                 }
 843
 844                 if (iface->driver->disconnect)
 845                         iface->driver->disconnect(iface);
 846
 847                 if (iface->driver->connect)
 848                         iface->driver->connect(iface, &iface->network);
 849         }
 850
 851         return reply;
 852 }
 853
 854 static DBusMessage *select_network(DBusConnection *conn,
 855                                         DBusMessage *msg, void *data)
 856 {
 857         struct connman_iface *iface = data;
 858         DBusMessage *reply;
 859         const char *network;
 860
 861         DBG("conn %p", conn);
 862
 863         dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &network,
 864                                                         DBUS_TYPE_INVALID);
 865
 866         g_free(iface->network.identifier);
 867         iface->network.identifier = g_strdup(network);
 868
 869         if (iface->driver->disconnect)
 870                 iface->driver->disconnect(iface);
 871
 872         if (iface->driver->connect)
 873                 iface->driver->connect(iface, &iface->network);
 874
 875         reply = dbus_message_new_method_return(msg);
 876         if (reply == NULL)
 877                 return NULL;
 878
 879         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
 880
 881         return reply;
 882 }
 883
 884 static void append_ipv4(DBusMessage *reply, struct connman_iface *iface)
 885 {
 886         DBusMessageIter array, dict;
 887         const char *str;
 888
 889         dbus_message_iter_init_append(reply, &array);
 890
 891         dbus_message_iter_open_container(&array, DBUS_TYPE_ARRAY,
 892                         DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
 893                         DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
 894                         DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
 895
 896         str = __connman_ipv4_method2string(iface->ipv4.method);
 897         append_entry(&dict, "Method", DBUS_TYPE_STRING, &str);
 898
 899         if (iface->ipv4.address.s_addr != INADDR_ANY) {
 900                 str = inet_ntoa(iface->ipv4.address);
 901                 append_entry(&dict, "Address", DBUS_TYPE_STRING, &str);
 902         }
 903
 904         if (iface->ipv4.netmask.s_addr != INADDR_ANY) {
 905                 str = inet_ntoa(iface->ipv4.netmask);
 906                 append_entry(&dict, "Netmask", DBUS_TYPE_STRING, &str);
 907         }
 908
 909         if (iface->ipv4.gateway.s_addr != INADDR_ANY) {
 910                 str = inet_ntoa(iface->ipv4.gateway);
 911                 append_entry(&dict, "Gateway", DBUS_TYPE_STRING, &str);
 912         }
 913
 914         dbus_message_iter_close_container(&array, &dict);
 915 }
 916
 917 static DBusMessage *get_ipv4(DBusConnection *conn,
 918                                         DBusMessage *msg, void *data)
 919 {
 920         struct connman_iface *iface = data;
 921         DBusMessage *reply;
 922
 923         DBG("conn %p", conn);
 924
 925         reply = dbus_message_new_method_return(msg);
 926         if (reply == NULL)
 927                 return NULL;
 928
 929         append_ipv4(reply, iface);
 930
 931         return reply;
 932 }
 933
 934 static DBusMessage *set_ipv4(DBusConnection *conn,
 935                                         DBusMessage *msg, void *data)
 936 {
 937         struct connman_iface *iface = data;
 938         DBusMessage *reply, *signal;
 939         DBusMessageIter array, dict;
 940         gboolean changed = FALSE;
 941
 942         DBG("conn %p", conn);
 943
 944         dbus_message_iter_init(msg, &array);
 945
 946         dbus_message_iter_recurse(&array, &dict);
 947
 948         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 949                 DBusMessageIter entry, value;
 950                 const char *key, *val;
 951                 enum connman_ipv4_method method;
 952                 in_addr_t addr;
 953
 954                 dbus_message_iter_recurse(&dict, &entry);
 955                 dbus_message_iter_get_basic(&entry, &key);
 956
 957                 dbus_message_iter_next(&entry);
 958
 959                 dbus_message_iter_recurse(&entry, &value);
 960
 961                 //type = dbus_message_iter_get_arg_type(&value);
 962                 dbus_message_iter_get_basic(&value, &val);
 963
 964                 if (g_strcasecmp(key, "Method") == 0) {
 965                         method = __connman_ipv4_string2method(val);
 966                         if (iface->ipv4.method != method) {
 967                                 iface->ipv4.method = method;
 968                                 changed = TRUE;
 969                         }
 970                 }
 971
 972                 if (g_strcasecmp(key, "Address") == 0) {
 973                         addr = inet_addr(val);
 974                         if (iface->ipv4.address.s_addr != addr) {
 975                                 iface->ipv4.address.s_addr = addr;
 976                                 changed = TRUE;
 977                         }
 978                 }
 979
 980                 if (g_strcasecmp(key, "Netmask") == 0) {
 981                         addr = inet_addr(val);
 982                         if (iface->ipv4.netmask.s_addr != addr) {
 983                                 iface->ipv4.netmask.s_addr = addr;
 984                                 changed = TRUE;
 985                         }
 986                 }
 987
 988                 if (g_strcasecmp(key, "Gateway") == 0) {
 989                         addr = inet_addr(val);
 990                         if (iface->ipv4.gateway.s_addr != addr) {
 991                                 iface->ipv4.gateway.s_addr = addr;
 992                                 changed = TRUE;
 993                         }
 994                 }
 995
 996                 dbus_message_iter_next(&dict);
 997         }
 998
 999         reply = dbus_message_new_method_return(msg);
1000         if (reply == NULL)
1001                 return NULL;
1002
1003         dbus_message_append_args(reply, DBUS_TYPE_INVALID);
1004
1005         if (changed == TRUE) {
1006                 __connman_iface_store(iface);
1007
1008                 signal = dbus_message_new_signal(iface->path,
1009                                 CONNMAN_IFACE_INTERFACE, "IPv4Changed");
1010                 if (signal != NULL) {
1011                         append_ipv4(signal, iface);
1012                         dbus_connection_send(conn, signal, NULL);
1013                         dbus_message_unref(signal);
1014                 }
1015         }
1016
1017         return reply;
1018 }
1019
1020 static GDBusMethodTable iface_methods[] = {
1021         { "Scan",          "",      "",      scan_iface     },
1022         { "GetProperties", "",      "a{sv}", get_properties },
1023         { "GetState",      "",      "s",     get_state      },
1024         { "GetSignal",     "",      "q",     get_signal     },
1025         { "GetPolicy",     "",      "s",     get_policy     },
1026         { "SetPolicy",     "s",     "",      set_policy     },
1027         { "GetNetwork",    "",      "a{sv}", get_network    },
1028         { "SetNetwork",    "a{sv}", "",      set_network    },
1029         { "SelectNetwork", "s",     "",      select_network },
1030         { "GetIPv4",       "",      "a{sv}", get_ipv4       },
1031         { "SetIPv4",       "a{sv}", "",      set_ipv4       },
1032         { },
1033 };
1034
1035 static GDBusSignalTable iface_signals[] = {
1036         { "StateChanged",   "s"     },
1037         { "SignalChanged",  "q"     },
1038         { "PolicyChanged",  "s"     },
1039         { "NetworkFound",   "a{sv}" },
1040         { "NetworkChanged", "a{sv}" },
1041         { "IPv4Changed",    "a{sv}" },
1042         { },
1043 };
1044
1045 static void device_free(void *data)
1046 {
1047         struct connman_iface *iface = data;
1048
1049         DBG("iface %p", iface);
1050
1051         connman_iface_clear_ipv4(iface);
1052
1053         if (iface->driver && iface->driver->remove)
1054                 iface->driver->remove(iface);
1055
1056         g_free(iface->path);
1057         g_free(iface->udi);
1058         g_free(iface->sysfs);
1059         g_free(iface->identifier);
1060         g_free(iface->network.identifier);
1061         g_free(iface->network.passphrase);
1062         g_free(iface->device.driver);
1063         g_free(iface->device.vendor);
1064         g_free(iface->device.product);
1065         g_free(iface);
1066 }
1067
1068 static void detect_device_info(LibHalContext *ctx, struct connman_iface *iface)
1069 {
1070         char *parent, *subsys, *value;
1071
1072         parent = libhal_device_get_property_string(ctx, iface->udi,
1073                                                 "info.parent", NULL);
1074
1075         subsys = libhal_device_get_property_string(ctx, iface->udi,
1076                                                 "linux.subsystem", NULL);
1077
1078         value = libhal_device_get_property_string(ctx, iface->udi,
1079                                                 "info.linux.driver", NULL);
1080         if (value == NULL) {
1081                 value = libhal_device_get_property_string(ctx, parent,
1082                                                 "info.linux.driver", NULL);
1083                 if (value != NULL)
1084                         iface->device.driver = g_strdup(value);
1085         }
1086
1087         if (strcmp(subsys, "net") == 0) {
1088                 value = libhal_device_get_property_string(ctx, parent,
1089                                                         "info.vendor", NULL);
1090                 if (value != NULL)
1091                         iface->device.vendor = g_strdup(value);
1092
1093                 value = libhal_device_get_property_string(ctx, parent,
1094                                                         "info.product", NULL);
1095                 if (value != NULL)
1096                         iface->device.product = g_strdup(value);
1097         }
1098 }
1099
1100 static int probe_device(LibHalContext *ctx,
1101                         struct connman_iface_driver *driver, const char *udi)
1102 {
1103         DBusConnection *conn;
1104         struct connman_iface *iface;
1105         char *temp, *sysfs, *ifname;
1106         int err;
1107
1108         DBG("ctx %p driver %p udi %s", ctx, driver, udi);
1109
1110         if (!driver->probe)
1111                 return -1;
1112
1113         iface = g_try_new0(struct connman_iface, 1);
1114         if (iface == NULL)
1115                 return -1;
1116
1117         temp = g_path_get_basename(udi);
1118         iface->path = g_strdup_printf("%s/%s", CONNMAN_IFACE_BASEPATH, temp);
1119         g_free(temp);
1120
1121         iface->udi = g_strdup(udi);
1122
1123         DBG("iface %p path %s", iface, iface->path);
1124
1125         sysfs = libhal_device_get_property_string(ctx, udi,
1126                                                 "linux.sysfs_path", NULL);
1127         if (sysfs != NULL)
1128                 iface->sysfs = g_strdup(sysfs);
1129
1130         detect_device_info(ctx, iface);
1131
1132         iface->index = -1;
1133
1134         if (g_str_has_prefix(driver->capability, "net") == TRUE) {
1135                 iface->index = libhal_device_get_property_int(ctx, udi,
1136                                                 "net.linux.ifindex", NULL);
1137
1138                 ifname = libhal_device_get_property_string(ctx, udi,
1139                                                 "net.interface", NULL);
1140                 if (ifname != NULL && ifname_filter != NULL &&
1141                                                 *ifname_filter != '\0' &&
1142                                 g_str_equal(ifname, ifname_filter) == FALSE) {
1143                         device_free(iface);
1144                         return -1;
1145                 }
1146         }
1147
1148         iface->type = CONNMAN_IFACE_TYPE_UNKNOWN;
1149         iface->flags = 0;
1150         iface->state = CONNMAN_IFACE_STATE_UNKNOWN;
1151         iface->policy = CONNMAN_IFACE_POLICY_UNKNOWN;
1152
1153         err = driver->probe(iface);
1154         if (err < 0) {
1155                 device_free(iface);
1156                 return -1;
1157         }
1158
1159         __connman_iface_create_identifier(iface);
1160
1161         __connman_iface_init_via_inet(iface);
1162
1163         iface->driver = driver;
1164
1165         __connman_iface_load(iface);
1166
1167         DBG("iface %p network %s secret %s", iface,
1168                                         iface->network.identifier,
1169                                         iface->network.passphrase);
1170
1171         conn = libhal_ctx_get_dbus_connection(ctx);
1172
1173         g_dbus_register_object(conn, iface->path, iface, device_free);
1174
1175         interfaces = g_slist_append(interfaces, iface);
1176
1177         if (iface->flags & CONNMAN_IFACE_FLAG_IPV4) {
1178                 connman_iface_get_ipv4(iface, &iface->ipv4);
1179
1180                 DBG("address %s", inet_ntoa(iface->ipv4.address));
1181         }
1182
1183         g_dbus_register_interface(conn, iface->path,
1184                                         CONNMAN_IFACE_INTERFACE,
1185                                         iface_methods, iface_signals, NULL);
1186
1187         DBG("iface %p identifier %s", iface, iface->identifier);
1188
1189         g_dbus_emit_signal(conn, CONNMAN_MANAGER_PATH,
1190                                         CONNMAN_MANAGER_INTERFACE,
1191                                         "InterfaceAdded",
1192                                         DBUS_TYPE_OBJECT_PATH, &iface->path,
1193                                         DBUS_TYPE_INVALID);
1194
1195         switch_policy(iface);
1196
1197         return 0;
1198 }
1199
1200 static void device_added(LibHalContext *ctx, const char *udi)
1201 {
1202         GSList *list;
1203
1204         DBG("ctx %p udi %s", ctx, udi);
1205
1206         for (list = drivers; list; list = list->next) {
1207                 struct connman_iface_driver *driver = list->data;
1208
1209                 if (driver->capability == NULL)
1210                         continue;
1211
1212                 if (libhal_device_query_capability(ctx, udi,
1213                                         driver->capability, NULL) == TRUE) {
1214                         if (probe_device(ctx, driver, udi) == 0)
1215                                 break;
1216                 }
1217         }
1218 }
1219
1220 static void device_removed(LibHalContext *ctx, const char *udi)
1221 {
1222         DBusConnection *conn;
1223         GSList *list;
1224
1225         DBG("ctx %p udi %s", ctx, udi);
1226
1227         conn = libhal_ctx_get_dbus_connection(ctx);
1228
1229         for (list = interfaces; list; list = list->next) {
1230                 struct connman_iface *iface = list->data;
1231
1232                 if (strcmp(udi, iface->udi) == 0) {
1233                         g_dbus_emit_signal(conn, CONNMAN_MANAGER_PATH,
1234                                         CONNMAN_MANAGER_INTERFACE,
1235                                         "InterfaceRemoved",
1236                                         DBUS_TYPE_OBJECT_PATH, &iface->path,
1237                                         DBUS_TYPE_INVALID);
1238                         interfaces = g_slist_remove(interfaces, iface);
1239                         g_dbus_unregister_interface(conn, iface->path,
1240                                                 CONNMAN_IFACE_INTERFACE);
1241                         g_dbus_unregister_object(conn, iface->path);
1242                         break;
1243                 }
1244         }
1245 }
1246
1247 static void probe_driver(LibHalContext *ctx,
1248                                 struct connman_iface_driver *driver)
1249 {
1250         char **list;
1251         int num;
1252
1253         DBG("ctx %p driver %p", ctx, driver);
1254
1255         list = libhal_find_device_by_capability(ctx,
1256                                         driver->capability, &num, NULL);
1257         if (list) {
1258                 char **tmp = list;
1259
1260                 while (*tmp) {
1261                         probe_device(ctx, driver, *tmp);
1262                         tmp++;
1263                 }
1264
1265                 libhal_free_string_array(list);
1266         }
1267 }
1268
1269 static void find_devices(LibHalContext *ctx)
1270 {
1271         GSList *list;
1272
1273         DBG("ctx %p", ctx);
1274
1275         for (list = drivers; list; list = list->next) {
1276                 struct connman_iface_driver *driver = list->data;
1277
1278                 DBG("driver %p", driver);
1279
1280                 if (driver->capability == NULL)
1281                         continue;
1282
1283                 probe_driver(ctx, driver);
1284         }
1285 }
1286
1287 static LibHalContext *hal_ctx = NULL;
1288
1289 static void hal_init(void *data)
1290 {
1291         DBusConnection *conn = data;
1292
1293         DBG("conn %p", conn);
1294
1295         if (hal_ctx != NULL)
1296                 return;
1297
1298         hal_ctx = libhal_ctx_new();
1299         if (hal_ctx == NULL)
1300                 return;
1301
1302         if (libhal_ctx_set_dbus_connection(hal_ctx, conn) == FALSE) {
1303                 libhal_ctx_free(hal_ctx);
1304                 return;
1305         }
1306
1307         if (libhal_ctx_init(hal_ctx, NULL) == FALSE) {
1308                 libhal_ctx_free(hal_ctx);
1309                 return ;
1310         }
1311
1312         libhal_ctx_set_device_added(hal_ctx, device_added);
1313         libhal_ctx_set_device_removed(hal_ctx, device_removed);
1314
1315         //libhal_ctx_set_device_new_capability(hal_ctx, new_capability);
1316         //libhal_ctx_set_device_lost_capability(hal_ctx, lost_capability);
1317
1318         find_devices(hal_ctx);
1319 }
1320
1321 static void hal_cleanup(void *data)
1322 {
1323         DBusConnection *conn = data;
1324         GSList *list;
1325
1326         DBG("conn %p", conn);
1327
1328         if (hal_ctx == NULL)
1329                 return;
1330
1331         for (list = interfaces; list; list = list->next) {
1332                 struct connman_iface *iface = list->data;
1333
1334                 DBG("path %s", iface->path);
1335
1336                 g_dbus_emit_signal(conn, CONNMAN_MANAGER_PATH,
1337                                         CONNMAN_MANAGER_INTERFACE,
1338                                         "InterfaceRemoved",
1339                                         DBUS_TYPE_OBJECT_PATH, &iface->path,
1340                                         DBUS_TYPE_INVALID);
1341
1342                 g_dbus_unregister_interface(conn, iface->path,
1343                                                 CONNMAN_IFACE_INTERFACE);
1344
1345                 g_dbus_unregister_object(conn, iface->path);
1346         }
1347
1348         g_slist_free(interfaces);
1349
1350         interfaces = NULL;
1351
1352         libhal_ctx_shutdown(hal_ctx, NULL);
1353
1354         libhal_ctx_free(hal_ctx);
1355
1356         hal_ctx = NULL;
1357 }
1358
1359 static guint hal_watch = 0;
1360
1361 int __connman_iface_init(DBusConnection *conn, const char *interface)
1362 {
1363         DBG("conn %p", conn);
1364
1365         connection = dbus_connection_ref(conn);
1366         if (connection == NULL)
1367                 return -1;
1368
1369         if (interface != NULL)
1370                 ifname_filter = g_strdup(interface);
1371
1372         hal_init(connection);
1373
1374         hal_watch = g_dbus_add_watch(connection, "org.freedesktop.Hal",
1375                                 hal_init, hal_cleanup, connection, NULL);
1376
1377         return 0;
1378 }
1379
1380 void __connman_iface_cleanup(void)
1381 {
1382         DBG("conn %p", connection);
1383
1384         g_dbus_remove_watch(connection, hal_watch);
1385
1386         hal_cleanup(connection);
1387
1388         g_free(ifname_filter);
1389
1390         dbus_connection_unref(connection);
1391 }