plugins/ofono.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *  Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
   7  *  Copyright (C) 2011  BWM Car IT GmbH. All rights reserved.
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License version 2 as
  11  *  published by the Free Software Foundation.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21  *
  22  */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <errno.h>
  29 #include <stdlib.h>
  30
  31 #include <gdbus.h>
  32 #include <string.h>
  33 #include <stdint.h>
  34
  35 #define CONNMAN_API_SUBJECT_TO_CHANGE
  36 #include <connman/plugin.h>
  37 #include <connman/device.h>
  38 #include <connman/network.h>
  39 #include <connman/inet.h>
  40 #include <connman/dbus.h>
  41 #include <connman/log.h>
  42
  43 #define uninitialized_var(x) x = x
  44
  45 #define OFONO_SERVICE                   "org.ofono"
  46
  47 #define OFONO_MANAGER_INTERFACE         OFONO_SERVICE ".Manager"
  48 #define OFONO_MODEM_INTERFACE           OFONO_SERVICE ".Modem"
  49 #define OFONO_SIM_INTERFACE             OFONO_SERVICE ".SimManager"
  50 #define OFONO_NETREG_INTERFACE          OFONO_SERVICE ".NetworkRegistration"
  51 #define OFONO_CM_INTERFACE              OFONO_SERVICE ".ConnectionManager"
  52 #define OFONO_CONTEXT_INTERFACE         OFONO_SERVICE ".ConnectionContext"
  53
  54 #define MODEM_ADDED                     "ModemAdded"
  55 #define MODEM_REMOVED                   "ModemRemoved"
  56 #define PROPERTY_CHANGED                "PropertyChanged"
  57 #define CONTEXT_ADDED                   "ContextAdded"
  58 #define CONTEXT_REMOVED                 "ContextRemoved"
  59
  60 #define GET_PROPERTIES                  "GetProperties"
  61 #define SET_PROPERTY                    "SetProperty"
  62 #define GET_MODEMS                      "GetModems"
  63 #define GET_CONTEXTS                    "GetContexts"
  64
  65 #define TIMEOUT 40000
  66
  67 enum ofono_api {
  68         OFONO_API_SIM =         0x1,
  69         OFONO_API_NETREG =      0x2,
  70         OFONO_API_CM =          0x4,
  71 };
  72
  73 /*
  74  * The way this plugin works is following:
  75  *
  76  *   powered -> SubscriberIdentity or Online = True -> gprs, context ->
  77  *     attached -> netreg -> ready
  78  *
  79  * Enabling and disabling modems are steered through the rfkill
  80  * interface. That means when ConnMan toggles the rfkill bit oFono
  81  * will add or remove the modems.
  82  *
  83  * ConnMan will always power up (set Powered and Online) the
  84  * modems. No need to power them down because this will be done
  85  * through the rfkill inteface.
  86  */
  87
  88 static DBusConnection *connection;
  89
  90 static GHashTable *modem_hash;
  91 static GHashTable *context_hash;
  92
  93 struct network_context {
  94         char *path;
  95         int index;
  96
  97         enum connman_ipconfig_method ipv4_method;
  98         struct connman_ipaddress *ipv4_address;
  99         char *ipv4_nameservers;
 100
 101         enum connman_ipconfig_method ipv6_method;
 102         struct connman_ipaddress *ipv6_address;
 103         char *ipv6_nameservers;
 104 };
 105
 106 struct modem_data {
 107         char *path;
 108
 109         struct connman_device *device;
 110         struct connman_network *network;
 111
 112         struct network_context *context;
 113
 114         /* Modem Interface */
 115         char *serial;
 116         connman_bool_t powered;
 117         connman_bool_t online;
 118         uint8_t interfaces;
 119         connman_bool_t ignore;
 120
 121         connman_bool_t set_powered;
 122         connman_bool_t set_online;
 123
 124         /* ConnectionManager Interface */
 125         connman_bool_t attached;
 126         connman_bool_t cm_powered;
 127
 128         connman_bool_t set_cm_powered;
 129
 130         /* ConnectionContext Interface */
 131         connman_bool_t active;
 132         connman_bool_t set_active;
 133
 134         /* SimManager Interface */
 135         char *imsi;
 136
 137         /* Netreg Interface */
 138         char *name;
 139         uint8_t strength;
 140         connman_bool_t roaming;
 141
 142         /* pending calls */
 143         DBusPendingCall *call_set_property;
 144         DBusPendingCall *call_get_properties;
 145         DBusPendingCall *call_get_contexts;
 146 };
 147
 148 static char *get_ident(const char *path)
 149 {
 150         char *pos;
 151
 152         if (*path != '/')
 153                 return NULL;
 154
 155         pos = strrchr(path, '/');
 156         if (pos == NULL)
 157                 return NULL;
 158
 159         return pos + 1;
 160 }
 161
 162 static struct network_context *network_context_alloc(const char *path)
 163 {
 164         struct network_context *context;
 165
 166         context = g_try_new0(struct network_context, 1);
 167         if (context == NULL)
 168                 return NULL;
 169
 170         context->path = g_strdup(path);
 171         context->index = -1;
 172
 173         context->ipv4_method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 174         context->ipv4_address = NULL;
 175         context->ipv4_nameservers = NULL;
 176
 177         context->ipv6_method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
 178         context->ipv6_address = NULL;
 179         context->ipv6_nameservers = NULL;
 180
 181         return context;
 182 }
 183
 184 static void network_context_free(struct network_context *context)
 185 {
 186         g_free(context->path);
 187
 188         connman_ipaddress_free(context->ipv4_address);
 189         g_free(context->ipv4_nameservers);
 190
 191         connman_ipaddress_free(context->ipv6_address);
 192         g_free(context->ipv6_nameservers);
 193
 194         free(context);
 195 }
 196
 197 static void set_connected(struct modem_data *modem)
 198 {
 199         connman_bool_t setip = FALSE;
 200
 201         DBG("%s", modem->path);
 202
 203         connman_network_set_index(modem->network, modem->context->index);
 204
 205         switch (modem->context->ipv4_method) {
 206         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 207         case CONNMAN_IPCONFIG_METHOD_OFF:
 208         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 209         case CONNMAN_IPCONFIG_METHOD_AUTO:
 210                 break;
 211
 212         case CONNMAN_IPCONFIG_METHOD_FIXED:
 213                 connman_network_set_ipv4_method(modem->network,
 214                                                 modem->context->ipv4_method);
 215                 connman_network_set_ipaddress(modem->network,
 216                                                 modem->context->ipv4_address);
 217                 connman_network_set_nameservers(modem->network,
 218                                         modem->context->ipv4_nameservers);
 219                 setip = TRUE;
 220                 break;
 221
 222         case CONNMAN_IPCONFIG_METHOD_DHCP:
 223                 connman_network_set_ipv4_method(modem->network,
 224                                                 modem->context->ipv4_method);
 225                 setip = TRUE;
 226                 break;
 227         }
 228
 229         switch (modem->context->ipv6_method) {
 230         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
 231         case CONNMAN_IPCONFIG_METHOD_OFF:
 232         case CONNMAN_IPCONFIG_METHOD_MANUAL:
 233         case CONNMAN_IPCONFIG_METHOD_DHCP:
 234         case CONNMAN_IPCONFIG_METHOD_AUTO:
 235                 break;
 236
 237         case CONNMAN_IPCONFIG_METHOD_FIXED:
 238                 connman_network_set_ipv6_method(modem->network,
 239                                                         modem->context->ipv6_method);
 240                 connman_network_set_ipaddress(modem->network,
 241                                                         modem->context->ipv6_address);
 242                 setip = TRUE;
 243                 break;
 244         }
 245
 246         if (setip == TRUE)
 247                 connman_network_set_connected(modem->network, TRUE);
 248 }
 249
 250 static void set_disconnected(struct modem_data *modem)
 251 {
 252         DBG("%s", modem->path);
 253
 254         connman_network_set_connected(modem->network, FALSE);
 255 }
 256
 257 typedef void (*set_property_cb)(struct modem_data *data,
 258                                 connman_bool_t success);
 259 typedef void (*get_properties_cb)(struct modem_data *data,
 260                                 DBusMessageIter *dict);
 261
 262 struct property_info {
 263         struct modem_data *modem;
 264         const char *path;
 265         const char *interface;
 266         const char *property;
 267         set_property_cb set_property_cb;
 268         get_properties_cb get_properties_cb;
 269 };
 270
 271 static void set_property_reply(DBusPendingCall *call, void *user_data)
 272 {
 273         struct property_info *info = user_data;
 274         DBusMessage *reply;
 275         DBusError error;
 276         connman_bool_t success = TRUE;
 277
 278         DBG("%s path %s %s.%s", info->modem->path,
 279                 info->path, info->interface, info->property);
 280
 281         info->modem->call_set_property = NULL;
 282
 283         dbus_error_init(&error);
 284
 285         reply = dbus_pending_call_steal_reply(call);
 286
 287         if (dbus_set_error_from_message(&error, reply)) {
 288                 connman_error("Failed to change property: %s %s.%s: %s %s",
 289                                 info->path, info->interface, info->property,
 290                                 error.name, error.message);
 291                 dbus_error_free(&error);
 292                 success = FALSE;
 293         }
 294
 295         if (info->set_property_cb != NULL)
 296                 (*info->set_property_cb)(info->modem, success);
 297
 298         dbus_message_unref(reply);
 299
 300         dbus_pending_call_unref(call);
 301 }
 302
 303 static int set_property(struct modem_data *modem,
 304                         const char *path, const char *interface,
 305                         const char *property, int type, void *value,
 306                         set_property_cb notify)
 307 {
 308         DBusMessage *message;
 309         DBusMessageIter iter;
 310         struct property_info *info;
 311
 312         DBG("%s path %s %s.%s", modem->path, path, interface, property);
 313
 314         if (modem->call_set_property != NULL) {
 315                 connman_error("Pending SetProperty");
 316                 return -EBUSY;
 317         }
 318
 319         message = dbus_message_new_method_call(OFONO_SERVICE, path,
 320                                         interface, SET_PROPERTY);
 321         if (message == NULL)
 322                 return -ENOMEM;
 323
 324         dbus_message_iter_init_append(message, &iter);
 325         connman_dbus_property_append_basic(&iter, property, type, value);
 326
 327         if (dbus_connection_send_with_reply(connection, message,
 328                         &modem->call_set_property, TIMEOUT) == FALSE) {
 329                 connman_error("Failed to change property: %s %s.%s",
 330                                 path, interface, property);
 331                 dbus_message_unref(message);
 332                 return -EINVAL;
 333         }
 334
 335         if (modem->call_set_property == NULL) {
 336                 connman_error("D-Bus connection not available");
 337                 dbus_message_unref(message);
 338                 return -EINVAL;
 339         }
 340
 341         info = g_try_new0(struct property_info, 1);
 342         if (info == NULL) {
 343                 dbus_message_unref(message);
 344                 return -ENOMEM;
 345         }
 346
 347         info->modem = modem;
 348         info->path = path;
 349         info->interface = interface;
 350         info->property = property;
 351         info->set_property_cb = notify;
 352
 353         dbus_pending_call_set_notify(modem->call_set_property,
 354                                         set_property_reply, info, g_free);
 355
 356         dbus_message_unref(message);
 357
 358         return -EINPROGRESS;
 359 }
 360
 361 static void get_properties_reply(DBusPendingCall *call, void *user_data)
 362 {
 363         struct property_info *info = user_data;
 364         DBusMessageIter array, dict;
 365         DBusMessage *reply;
 366         DBusError error;
 367
 368         DBG("%s path %s %s", info->modem->path, info->path, info->interface);
 369
 370         info->modem->call_get_properties = NULL;
 371
 372         dbus_error_init(&error);
 373
 374         reply = dbus_pending_call_steal_reply(call);
 375
 376         if (dbus_set_error_from_message(&error, reply)) {
 377                 connman_error("Failed to get properties: %s %s: %s %s",
 378                                 info->path, info->interface,
 379                                 error.name, error.message);
 380                 dbus_error_free(&error);
 381
 382                 goto done;
 383         }
 384
 385         if (dbus_message_iter_init(reply, &array) == FALSE)
 386                 goto done;
 387
 388         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
 389                 goto done;
 390
 391         dbus_message_iter_recurse(&array, &dict);
 392
 393         if (info->get_properties_cb != NULL)
 394                 (*info->get_properties_cb)(info->modem, &dict);
 395
 396 done:
 397
 398         dbus_message_unref(reply);
 399
 400         dbus_pending_call_unref(call);
 401 }
 402
 403 static int get_properties(const char *path, const char *interface,
 404                                 get_properties_cb notify,
 405                                 struct modem_data *modem)
 406 {
 407         DBusMessage *message;
 408         struct property_info *info;
 409
 410         DBG("%s path %s %s", modem->path, path, interface);
 411
 412         if (modem->call_get_properties != NULL) {
 413                 connman_error("Pending GetProperties");
 414                 return -EBUSY;
 415         }
 416
 417         message = dbus_message_new_method_call(OFONO_SERVICE, path,
 418                                         interface, GET_PROPERTIES);
 419         if (message == NULL)
 420                 return -ENOMEM;
 421
 422         if (dbus_connection_send_with_reply(connection, message,
 423                         &modem->call_get_properties, TIMEOUT) == FALSE) {
 424                 connman_error("Failed to call %s.GetProperties()", interface);
 425                 dbus_message_unref(message);
 426                 return -EINVAL;
 427         }
 428
 429         if (modem->call_get_properties == NULL) {
 430                 connman_error("D-Bus connection not available");
 431                 dbus_message_unref(message);
 432                 return -EINVAL;
 433         }
 434
 435         info = g_try_new0(struct property_info, 1);
 436         if (info == NULL) {
 437                 dbus_message_unref(message);
 438                 return -ENOMEM;
 439         }
 440
 441         info->modem = modem;
 442         info->path = path;
 443         info->interface = interface;
 444         info->get_properties_cb = notify;
 445
 446         dbus_pending_call_set_notify(modem->call_get_properties,
 447                                         get_properties_reply, info, g_free);
 448
 449         dbus_message_unref(message);
 450
 451         return -EINPROGRESS;
 452 }
 453
 454 static void context_set_active_reply(struct modem_data *modem,
 455                                         connman_bool_t success)
 456 {
 457         DBG("%s", modem->path);
 458
 459         if (success == TRUE) {
 460                 /*
 461                  * Don't handle do anything on success here. oFono will send
 462                  * the change via PropertyChanged singal.
 463                  */
 464                 return;
 465         }
 466
 467         /*
 468          * Active = True might fail due a timeout. That means oFono
 469          * still tries to go online. If we retry to set Active = True,
 470          * we just get a InProgress error message. Should we power
 471          * cycle the modem in such cases?
 472          */
 473
 474         connman_network_set_error(modem->network,
 475                                 CONNMAN_NETWORK_ERROR_ASSOCIATE_FAIL);
 476 }
 477
 478 static int context_set_active(struct modem_data *modem)
 479 {
 480         dbus_bool_t active = TRUE;
 481
 482         DBG("%s", modem->path);
 483
 484         return set_property(modem, modem->context->path,
 485                                 OFONO_CONTEXT_INTERFACE,
 486                                 "Active", DBUS_TYPE_BOOLEAN,
 487                                 &active,
 488                                 context_set_active_reply);
 489 }
 490
 491 static int context_set_inactive(struct modem_data *modem)
 492 {
 493         dbus_bool_t active = FALSE;
 494         int err;
 495
 496         DBG("%s", modem->path);
 497
 498         err = set_property(modem, modem->context->path,
 499                                 OFONO_CONTEXT_INTERFACE,
 500                                 "Active", DBUS_TYPE_BOOLEAN,
 501                                 &active,
 502                                 NULL);
 503         if (err == -EINPROGRESS)
 504                 return 0;
 505
 506         return err;
 507 }
 508
 509 static void modem_set_online_reply(struct modem_data *modem,
 510                                         connman_bool_t success)
 511 {
 512         DBG("%s", modem->path);
 513
 514         if (success == TRUE) {
 515                 /*
 516                  * Don't handle do anything on success here. oFono will send
 517                  * the change via PropertyChanged singal.
 518                  */
 519                 return;
 520         }
 521
 522         modem->set_online = FALSE;
 523 }
 524
 525 static int modem_set_online(struct modem_data *modem)
 526 {
 527         DBG("%s", modem->path);
 528
 529         modem->set_online = TRUE;
 530
 531         return set_property(modem, modem->path,
 532                                 OFONO_MODEM_INTERFACE,
 533                                 "Online", DBUS_TYPE_BOOLEAN,
 534                                 &modem->set_online,
 535                                 modem_set_online_reply);
 536 }
 537
 538 static void cm_set_powered_reply(struct modem_data *modem,
 539                                         connman_bool_t success)
 540 {
 541         DBG("%s", modem->path);
 542
 543         if (success == TRUE) {
 544                 /*
 545                  * Don't handle do anything on success here. oFono will send
 546                  * the change via PropertyChanged singal.
 547                  */
 548                 return;
 549         }
 550
 551         modem->set_cm_powered = FALSE;
 552 }
 553
 554 static int cm_set_powered(struct modem_data *modem)
 555 {
 556         DBG("%s", modem->path);
 557
 558         modem->set_cm_powered = TRUE;
 559
 560         return set_property(modem, modem->path,
 561                                 OFONO_CM_INTERFACE,
 562                                 "Powered", DBUS_TYPE_BOOLEAN,
 563                                 &modem->set_cm_powered,
 564                                 cm_set_powered_reply);
 565 }
 566
 567 static int modem_set_powered(struct modem_data *modem)
 568 {
 569         DBG("%s", modem->path);
 570
 571         modem->set_powered = TRUE;
 572
 573         return set_property(modem, modem->path,
 574                                 OFONO_MODEM_INTERFACE,
 575                                 "Powered", DBUS_TYPE_BOOLEAN,
 576                                 &modem->set_powered,
 577                                 NULL);
 578 }
 579
 580 static int modem_set_unpowered(struct modem_data *modem)
 581 {
 582         DBG("%s", modem->path);
 583
 584         modem->set_powered = FALSE;
 585
 586         return set_property(modem, modem->path,
 587                                 OFONO_MODEM_INTERFACE,
 588                                 "Powered", DBUS_TYPE_BOOLEAN,
 589                                 &modem->set_powered,
 590                                 NULL);
 591 }
 592
 593 static connman_bool_t has_interface(uint8_t interfaces,
 594                                         enum ofono_api api)
 595 {
 596         if ((interfaces & api) == api)
 597                 return TRUE;
 598
 599         return FALSE;
 600 }
 601
 602 static uint8_t extract_interfaces(DBusMessageIter *array)
 603 {
 604         DBusMessageIter entry;
 605         uint8_t interfaces = 0;
 606
 607         dbus_message_iter_recurse(array, &entry);
 608
 609         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
 610                 const char *name;
 611
 612                 dbus_message_iter_get_basic(&entry, &name);
 613
 614                 if (g_str_equal(name, OFONO_SIM_INTERFACE) == TRUE)
 615                         interfaces |= OFONO_API_SIM;
 616                 else if (g_str_equal(name, OFONO_NETREG_INTERFACE) == TRUE)
 617                         interfaces |= OFONO_API_NETREG;
 618                 else if (g_str_equal(name, OFONO_CM_INTERFACE) == TRUE)
 619                         interfaces |= OFONO_API_CM;
 620
 621                 dbus_message_iter_next(&entry);
 622         }
 623
 624         return interfaces;
 625 }
 626
 627 static char *extract_nameservers(DBusMessageIter *array)
 628 {
 629         DBusMessageIter entry;
 630         char *nameservers = NULL;
 631         char *tmp;
 632
 633         dbus_message_iter_recurse(array, &entry);
 634
 635         while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
 636                 const char *nameserver;
 637
 638                 dbus_message_iter_get_basic(&entry, &nameserver);
 639
 640                 if (nameservers == NULL) {
 641                         nameservers = g_strdup(nameserver);
 642                 } else {
 643                         tmp = nameservers;
 644                         nameservers = g_strdup_printf("%s %s", tmp, nameserver);
 645                         g_free(tmp);
 646                 }
 647
 648                 dbus_message_iter_next(&entry);
 649         }
 650
 651         return nameservers;
 652 }
 653
 654 static void extract_ipv4_settings(DBusMessageIter *array,
 655                                 struct network_context *context)
 656 {
 657         DBusMessageIter dict;
 658         char *address = NULL, *netmask = NULL, *gateway = NULL;
 659         char *nameservers = NULL;
 660         const char *interface = NULL;
 661         int index = -1;
 662
 663         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 664                 return;
 665
 666         dbus_message_iter_recurse(array, &dict);
 667
 668         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 669                 DBusMessageIter entry, value;
 670                 const char *key, *val;
 671
 672                 dbus_message_iter_recurse(&dict, &entry);
 673                 dbus_message_iter_get_basic(&entry, &key);
 674
 675                 dbus_message_iter_next(&entry);
 676                 dbus_message_iter_recurse(&entry, &value);
 677
 678                 if (g_str_equal(key, "Interface") == TRUE) {
 679                         dbus_message_iter_get_basic(&value, &interface);
 680
 681                         DBG("Interface %s", interface);
 682
 683                         index = connman_inet_ifindex(interface);
 684
 685                         DBG("index %d", index);
 686                 } else if (g_str_equal(key, "Method") == TRUE) {
 687                         dbus_message_iter_get_basic(&value, &val);
 688
 689                         DBG("Method %s", val);
 690
 691                         if (g_strcmp0(val, "static") == 0) {
 692                                 context->ipv4_method = CONNMAN_IPCONFIG_METHOD_FIXED;
 693                         } else if (g_strcmp0(val, "dhcp") == 0) {
 694                                 context->ipv4_method = CONNMAN_IPCONFIG_METHOD_DHCP;
 695                                 break;
 696                         }
 697                 } else if (g_str_equal(key, "Address") == TRUE) {
 698                         dbus_message_iter_get_basic(&value, &val);
 699
 700                         address = g_strdup(val);
 701
 702                         DBG("Address %s", address);
 703                 } else if (g_str_equal(key, "Netmask") == TRUE) {
 704                         dbus_message_iter_get_basic(&value, &val);
 705
 706                         netmask = g_strdup(val);
 707
 708                         DBG("Netmask %s", netmask);
 709                 } else if (g_str_equal(key, "DomainNameServers") == TRUE) {
 710                         nameservers = extract_nameservers(&value);
 711
 712                         DBG("Nameservers %s", nameservers);
 713                 } else if (g_str_equal(key, "Gateway") == TRUE) {
 714                         dbus_message_iter_get_basic(&value, &val);
 715
 716                         gateway = g_strdup(val);
 717
 718                         DBG("Gateway %s", gateway);
 719                 }
 720
 721                 dbus_message_iter_next(&dict);
 722         }
 723
 724         if (index < 0)
 725                 goto out;
 726
 727         if (context->ipv4_method != CONNMAN_IPCONFIG_METHOD_FIXED)
 728                 goto out;
 729
 730         context->ipv4_address = connman_ipaddress_alloc(CONNMAN_IPCONFIG_TYPE_IPV4);
 731         if (context->ipv4_address == NULL)
 732                 goto out;
 733
 734         context->index = index;
 735         connman_ipaddress_set_ipv4(context->ipv4_address, address,
 736                                 netmask, gateway);
 737
 738         context->ipv4_nameservers = nameservers;
 739
 740 out:
 741         if (context->ipv4_nameservers != nameservers)
 742                 g_free(nameservers);
 743
 744         g_free(address);
 745         g_free(netmask);
 746         g_free(gateway);
 747 }
 748
 749 static void extract_ipv6_settings(DBusMessageIter *array,
 750                                 struct network_context *context)
 751 {
 752         DBusMessageIter dict;
 753         char *address = NULL, *gateway = NULL;
 754         unsigned char prefix_length;
 755         char *nameservers = NULL;
 756         const char *interface = NULL;
 757         int index = -1;
 758
 759         if (dbus_message_iter_get_arg_type(array) != DBUS_TYPE_ARRAY)
 760                 return;
 761
 762         dbus_message_iter_recurse(array, &dict);
 763
 764         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 765                 DBusMessageIter entry, value;
 766                 const char *key, *val;
 767
 768                 dbus_message_iter_recurse(&dict, &entry);
 769                 dbus_message_iter_get_basic(&entry, &key);
 770
 771                 dbus_message_iter_next(&entry);
 772                 dbus_message_iter_recurse(&entry, &value);
 773
 774                 if (g_str_equal(key, "Interface") == TRUE) {
 775                         dbus_message_iter_get_basic(&value, &interface);
 776
 777                         DBG("Interface %s", interface);
 778
 779                         index = connman_inet_ifindex(interface);
 780
 781                         DBG("index %d", index);
 782                 } else if (g_str_equal(key, "Address") == TRUE) {
 783                         dbus_message_iter_get_basic(&value, &val);
 784
 785                         address = g_strdup(val);
 786
 787                         DBG("Address %s", address);
 788                 } else if (g_str_equal(key, "PrefixLength") == TRUE) {
 789                         dbus_message_iter_get_basic(&value, &prefix_length);
 790
 791                         DBG("prefix length %d", prefix_length);
 792                 } else if (g_str_equal(key, "DomainNameServers") == TRUE) {
 793                         nameservers = extract_nameservers(&value);
 794
 795                         DBG("Nameservers %s", nameservers);
 796                 } else if (g_str_equal(key, "Gateway") == TRUE) {
 797                         dbus_message_iter_get_basic(&value, &val);
 798
 799                         gateway = g_strdup(val);
 800
 801                         DBG("Gateway %s", gateway);
 802                 }
 803
 804                 dbus_message_iter_next(&dict);
 805         }
 806
 807         if (index < 0)
 808                 goto out;
 809
 810         context->ipv6_method = CONNMAN_IPCONFIG_METHOD_FIXED;
 811
 812         context->ipv6_address =
 813                 connman_ipaddress_alloc(CONNMAN_IPCONFIG_TYPE_IPV6);
 814         if (context->ipv6_address == NULL)
 815                 goto out;
 816
 817         context->index = index;
 818         connman_ipaddress_set_ipv6(context->ipv6_address, address,
 819                                 prefix_length, gateway);
 820
 821         context->ipv6_nameservers = nameservers;
 822
 823 out:
 824         if (context->ipv6_nameservers != nameservers)
 825                 g_free(nameservers);
 826
 827         g_free(address);
 828         g_free(gateway);
 829 }
 830
 831 static connman_bool_t ready_to_create_device(struct modem_data *modem)
 832 {
 833         /*
 834          * There are three different modem types which behave slightly
 835          * different:
 836          * - GSM modems will expose the SIM interface then the
 837          *   CM interface.
 838          * - DUN modems will expose first a unique serial number (BDADDR)
 839          *   and then the CM interface.
 840          * - CDMA modems will expose CM first and sometime later
 841          *   a unique serial number.
 842          *
 843          * This functions tests if we have the necessary information gathered
 844          * before we are able to create a device.
 845          */
 846
 847         if (modem->device != NULL)
 848                 return FALSE;
 849
 850         if (modem->imsi != NULL || modem->serial != NULL)
 851                 return TRUE;
 852
 853         return FALSE;
 854 }
 855
 856 static void create_device(struct modem_data *modem)
 857 {
 858         struct connman_device *device;
 859         char *uninitialized_var(ident);
 860
 861         DBG("%s", modem->path);
 862
 863         if (modem->imsi != NULL)
 864                 ident = modem->imsi;
 865         else if (modem->serial != NULL)
 866                 ident = modem->serial;
 867
 868         if (connman_dbus_validate_ident(ident) == FALSE)
 869                 ident = connman_dbus_encode_string(ident);
 870         else
 871                 ident = g_strdup(ident);
 872
 873         device = connman_device_create(ident, CONNMAN_DEVICE_TYPE_CELLULAR);
 874         if (device == NULL)
 875                 goto out;
 876
 877         DBG("device %p", device);
 878
 879         connman_device_set_ident(device, ident);
 880
 881         connman_device_set_string(device, "Path", modem->path);
 882
 883         connman_device_set_data(device, modem);
 884
 885         if (connman_device_register(device) < 0) {
 886                 connman_error("Failed to register cellular device");
 887                 connman_device_unref(device);
 888                 goto out;
 889         }
 890
 891         modem->device = device;
 892
 893 out:
 894         g_free(ident);
 895 }
 896
 897 static void destroy_device(struct modem_data *modem)
 898 {
 899         DBG("%s", modem->path);
 900
 901         connman_device_set_powered(modem->device, FALSE);
 902
 903         if (modem->network != NULL) {
 904                 connman_device_remove_network(modem->device, modem->network);
 905                 connman_network_unref(modem->network);
 906                 modem->network = NULL;
 907         }
 908
 909         connman_device_unregister(modem->device);
 910         connman_device_unref(modem->device);
 911
 912         modem->device = NULL;
 913 }
 914
 915 static void add_network(struct modem_data *modem)
 916 {
 917         const char *group;
 918
 919         DBG("%s", modem->path);
 920
 921         if (modem->network != NULL)
 922                 return;
 923
 924         modem->network = connman_network_create(modem->context->path,
 925                                                 CONNMAN_NETWORK_TYPE_CELLULAR);
 926         if (modem->network == NULL)
 927                 return;
 928
 929         DBG("network %p", modem->network);
 930
 931         connman_network_set_data(modem->network, modem);
 932
 933         connman_network_set_string(modem->network, "Path",
 934                                         modem->context->path);
 935
 936         connman_network_set_index(modem->network, modem->context->index);
 937
 938         if (modem->name != NULL)
 939                 connman_network_set_name(modem->network, modem->name);
 940         else
 941                 connman_network_set_name(modem->network, "");
 942
 943         connman_network_set_strength(modem->network, modem->strength);
 944
 945         group = get_ident(modem->context->path);
 946         connman_network_set_group(modem->network, group);
 947
 948         connman_network_set_available(modem->network, TRUE);
 949
 950         connman_network_set_bool(modem->network, "Roaming",
 951                                         modem->roaming);
 952
 953         if (connman_device_add_network(modem->device, modem->network) < 0) {
 954                 connman_network_unref(modem->network);
 955                 modem->network = NULL;
 956                 return;
 957         }
 958 }
 959
 960 static int add_cm_context(struct modem_data *modem, const char *context_path,
 961                                 DBusMessageIter *dict)
 962 {
 963         const char *context_type;
 964         struct network_context *context = NULL;
 965         connman_bool_t active = FALSE;
 966
 967         DBG("%s context path %s", modem->path, context_path);
 968
 969         if (modem->context != NULL) {
 970                 /*
 971                  * We have already assigned a context to this modem
 972                  * and we do only support one Internet context.
 973                  */
 974                 return -EALREADY;
 975         }
 976
 977         context = network_context_alloc(context_path);
 978         if (context == NULL)
 979                 return -ENOMEM;
 980
 981         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
 982                 DBusMessageIter entry, value;
 983                 const char *key;
 984
 985                 dbus_message_iter_recurse(dict, &entry);
 986                 dbus_message_iter_get_basic(&entry, &key);
 987
 988                 dbus_message_iter_next(&entry);
 989                 dbus_message_iter_recurse(&entry, &value);
 990
 991                 if (g_str_equal(key, "Type") == TRUE) {
 992                         dbus_message_iter_get_basic(&value, &context_type);
 993
 994                         DBG("%s context %s type %s", modem->path,
 995                                 context_path, context_type);
 996                 } else if (g_str_equal(key, "Settings") == TRUE) {
 997                         DBG("%s Settings", modem->path);
 998
 999                         extract_ipv4_settings(&value, context);
1000                 } else if (g_str_equal(key, "IPv6.Settings") == TRUE) {
1001                         DBG("%s IPv6.Settings", modem->path);
1002
1003                         extract_ipv6_settings(&value, context);
1004                 } else if (g_str_equal(key, "Active") == TRUE) {
1005                         dbus_message_iter_get_basic(&value, &active);
1006
1007                         DBG("%s Active %d", modem->path, active);
1008                 }
1009
1010                 dbus_message_iter_next(dict);
1011         }
1012
1013         if (g_strcmp0(context_type, "internet") != 0) {
1014                 network_context_free(context);
1015                 return -EINVAL;
1016         }
1017
1018         modem->context = context;
1019         modem->active = active;
1020
1021         g_hash_table_replace(context_hash, g_strdup(context_path), modem);
1022
1023         return 0;
1024 }
1025
1026 static void remove_cm_context(struct modem_data *modem,
1027                                 const char *context_path)
1028 {
1029         if (modem->context == NULL)
1030                 return;
1031
1032         g_hash_table_remove(context_hash, context_path);
1033
1034         network_context_free(modem->context);
1035         modem->context = NULL;
1036 }
1037
1038 static gboolean context_changed(DBusConnection *connection,
1039                                 DBusMessage *message,
1040                                 void *user_data)
1041 {
1042         const char *context_path = dbus_message_get_path(message);
1043         struct modem_data *modem = NULL;
1044         DBusMessageIter iter, value;
1045         const char *key;
1046
1047         DBG("context_path %s", context_path);
1048
1049         modem = g_hash_table_lookup(context_hash, context_path);
1050         if (modem == NULL)
1051                 return TRUE;
1052
1053         if (dbus_message_iter_init(message, &iter) == FALSE)
1054                 return TRUE;
1055
1056         dbus_message_iter_get_basic(&iter, &key);
1057
1058         dbus_message_iter_next(&iter);
1059         dbus_message_iter_recurse(&iter, &value);
1060
1061         /*
1062          * oFono guarantees the ordering of Settings and
1063          * Active. Settings will always be send before Active = True.
1064          * That means we don't have to order here.
1065          */
1066         if (g_str_equal(key, "Settings") == TRUE) {
1067                 DBG("%s Settings", modem->path);
1068
1069                 extract_ipv4_settings(&value, modem->context);
1070         } else if (g_str_equal(key, "IPv6.Settings") == TRUE) {
1071                 DBG("%s IPv6.Settings", modem->path);
1072
1073                 extract_ipv6_settings(&value, modem->context);
1074         } else if (g_str_equal(key, "Active") == TRUE) {
1075                 dbus_message_iter_get_basic(&value, &modem->active);
1076
1077                 DBG("%s Active %d", modem->path, modem->active);
1078
1079                 if (modem->active == TRUE)
1080                         set_connected(modem);
1081                 else
1082                         set_disconnected(modem);
1083         }
1084
1085         return TRUE;
1086 }
1087
1088 static void cm_get_contexts_reply(DBusPendingCall *call, void *user_data)
1089 {
1090         struct modem_data *modem = user_data;
1091         DBusMessageIter array, dict, entry, value;
1092         DBusMessage *reply;
1093         DBusError error;
1094
1095         DBG("%s", modem->path);
1096
1097         modem->call_get_contexts = NULL;
1098
1099         reply = dbus_pending_call_steal_reply(call);
1100
1101         dbus_error_init(&error);
1102
1103         if (dbus_set_error_from_message(&error, reply) == TRUE) {
1104                 connman_error("%s", error.message);
1105                 dbus_error_free(&error);
1106                 goto done;
1107         }
1108
1109         if (dbus_message_iter_init(reply, &array) == FALSE)
1110                 goto done;
1111
1112         if (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_ARRAY)
1113                 goto done;
1114
1115         dbus_message_iter_recurse(&array, &dict);
1116
1117         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
1118                 const char *context_path;
1119
1120                 dbus_message_iter_recurse(&dict, &entry);
1121                 dbus_message_iter_get_basic(&entry, &context_path);
1122
1123                 dbus_message_iter_next(&entry);
1124                 dbus_message_iter_recurse(&entry, &value);
1125
1126                 if (add_cm_context(modem, context_path, &value) == 0)
1127                         break;
1128
1129                 dbus_message_iter_next(&dict);
1130         }
1131
1132 done:
1133         dbus_message_unref(reply);
1134
1135         dbus_pending_call_unref(call);
1136 }
1137
1138 static int cm_get_contexts(struct modem_data *modem)
1139 {
1140         DBusMessage *message;
1141
1142         DBG("%s", modem->path);
1143
1144         if (modem->call_get_contexts != NULL)
1145                 return -EBUSY;
1146
1147         message = dbus_message_new_method_call(OFONO_SERVICE, modem->path,
1148                                         OFONO_CM_INTERFACE, GET_CONTEXTS);
1149         if (message == NULL)
1150                 return -ENOMEM;
1151
1152         if (dbus_connection_send_with_reply(connection, message,
1153                         &modem->call_get_contexts, TIMEOUT) == FALSE) {
1154                 connman_error("Failed to call GetContexts()");
1155                 dbus_message_unref(message);
1156                 return -EINVAL;
1157         }
1158
1159         if (modem->call_get_contexts == NULL) {
1160                 connman_error("D-Bus connection not available");
1161                 dbus_message_unref(message);
1162                 return -EINVAL;
1163         }
1164
1165         dbus_pending_call_set_notify(modem->call_get_contexts,
1166                                         cm_get_contexts_reply,
1167                                         modem, NULL);
1168
1169         dbus_message_unref(message);
1170
1171         return -EINPROGRESS;
1172 }
1173
1174 static gboolean cm_context_added(DBusConnection *connection,
1175                                         DBusMessage *message,
1176                                         void *user_data)
1177 {
1178         const char *path = dbus_message_get_path(message);
1179         char *context_path;
1180         struct modem_data *modem;
1181         DBusMessageIter iter, properties;
1182
1183         DBG("%s", path);
1184
1185         modem = g_hash_table_lookup(modem_hash, context_path);
1186         if (modem == NULL)
1187                 return TRUE;
1188
1189         if (dbus_message_iter_init(message, &iter) == FALSE)
1190                 return TRUE;
1191
1192         dbus_message_iter_get_basic(&iter, &context_path);
1193
1194         dbus_message_iter_next(&iter);
1195         dbus_message_iter_recurse(&iter, &properties);
1196
1197         if (add_cm_context(modem, context_path, &properties) != 0)
1198                 return TRUE;
1199
1200         return TRUE;
1201 }
1202
1203 static gboolean cm_context_removed(DBusConnection *connection,
1204                                         DBusMessage *message,
1205                                         void *user_data)
1206 {
1207         const char *path = dbus_message_get_path(message);
1208         const char *context_path;
1209         struct modem_data *modem;
1210         DBusMessageIter iter;
1211
1212         DBG("context path %s", path);
1213
1214         if (dbus_message_iter_init(message, &iter) == FALSE)
1215                 return TRUE;
1216
1217         dbus_message_iter_get_basic(&iter, &context_path);
1218
1219         modem = g_hash_table_lookup(context_hash, context_path);
1220         if (modem == NULL)
1221                 return TRUE;
1222
1223         remove_cm_context(modem, context_path);
1224
1225         return TRUE;
1226 }
1227
1228 static void netreg_update_name(struct modem_data *modem,
1229                                 DBusMessageIter* value)
1230 {
1231         char *name;
1232
1233         dbus_message_iter_get_basic(value, &name);
1234
1235         DBG("%s Name %s", modem->path, name);
1236
1237         g_free(modem->name);
1238         modem->name = g_strdup(name);
1239
1240         if (modem->network == NULL)
1241                 return;
1242
1243         connman_network_set_name(modem->network, modem->name);
1244         connman_network_update(modem->network);
1245 }
1246
1247 static void netreg_update_strength(struct modem_data *modem,
1248                                         DBusMessageIter *value)
1249 {
1250         dbus_message_iter_get_basic(value, &modem->strength);
1251
1252         DBG("%s Strength %d", modem->path, modem->strength);
1253
1254         if (modem->network == NULL)
1255                 return;
1256
1257         connman_network_set_strength(modem->network, modem->strength);
1258         connman_network_update(modem->network);
1259 }
1260
1261 static void netreg_update_roaming(struct modem_data *modem,
1262                                         DBusMessageIter *value)
1263 {
1264         char *status;
1265         connman_bool_t roaming;
1266
1267         dbus_message_iter_get_basic(value, &status);
1268
1269         if (g_str_equal(status, "roaming") == TRUE)
1270                 roaming = TRUE;
1271         else
1272                 roaming = FALSE;
1273
1274         if (roaming == modem->roaming)
1275                 return;
1276
1277         modem->roaming = roaming;
1278
1279         if (modem->network == NULL)
1280                 return;
1281
1282         connman_network_set_bool(modem->network,
1283                                 "Roaming", modem->roaming);
1284         connman_network_update(modem->network);
1285 }
1286
1287 static gboolean netreg_changed(DBusConnection *connection, DBusMessage *message,
1288                                 void *user_data)
1289 {
1290         const char *path = dbus_message_get_path(message);
1291         struct modem_data *modem;
1292         DBusMessageIter iter, value;
1293         const char *key;
1294
1295         modem = g_hash_table_lookup(modem_hash, path);
1296         if (modem == NULL)
1297                 return TRUE;
1298
1299         if (modem->ignore == TRUE)
1300                 return TRUE;
1301
1302         if (dbus_message_iter_init(message, &iter) == FALSE)
1303                 return TRUE;
1304
1305         dbus_message_iter_get_basic(&iter, &key);
1306
1307         dbus_message_iter_next(&iter);
1308         dbus_message_iter_recurse(&iter, &value);
1309
1310         if (g_str_equal(key, "Name") == TRUE)
1311                 netreg_update_name(modem, &value);
1312         else if (g_str_equal(key, "Strength") == TRUE)
1313                 netreg_update_strength(modem, &value);
1314         else if (g_str_equal(key, "Status") == TRUE)
1315                 netreg_update_roaming(modem, &value);
1316
1317         return TRUE;
1318 }
1319
1320 static void netreg_properties_reply(struct modem_data *modem,
1321                                         DBusMessageIter *dict)
1322 {
1323         DBG("%s", modem->path);
1324
1325         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
1326                 DBusMessageIter entry, value;
1327                 const char *key;
1328
1329                 dbus_message_iter_recurse(dict, &entry);
1330                 dbus_message_iter_get_basic(&entry, &key);
1331
1332                 dbus_message_iter_next(&entry);
1333                 dbus_message_iter_recurse(&entry, &value);
1334
1335                 if (g_str_equal(key, "Name") == TRUE)
1336                         netreg_update_name(modem, &value);
1337                 else if (g_str_equal(key, "Strength") == TRUE)
1338                         netreg_update_strength(modem, &value);
1339                 else if (g_str_equal(key, "Status") == TRUE)
1340                         netreg_update_roaming(modem, &value);
1341
1342                 dbus_message_iter_next(dict);
1343         }
1344
1345         if (modem->context == NULL) {
1346                 /*
1347                  * netgreg_get_properties() was issued after we got
1348                  * cm_get_contexts_reply() where we create the
1349                  * context. Though before we got the
1350                  * netreg_properties_reply the context was removed
1351                  * again. Therefore we have to skip the network
1352                  * creation.
1353                  */
1354                 return;
1355         }
1356
1357         add_network(modem);
1358
1359         if (modem->active == TRUE)
1360                 set_connected(modem);
1361 }
1362
1363 static int netreg_get_properties(struct modem_data *modem)
1364 {
1365         return get_properties(modem->path, OFONO_NETREG_INTERFACE,
1366                         netreg_properties_reply, modem);
1367 }
1368
1369 static void cm_update_attached(struct modem_data *modem,
1370                                 DBusMessageIter *value)
1371 {
1372         dbus_message_iter_get_basic(value, &modem->attached);
1373
1374         DBG("%s Attached %d", modem->path, modem->attached);
1375
1376         if (modem->attached == FALSE)
1377                 return;
1378
1379         if (has_interface(modem->interfaces,
1380                                 OFONO_API_NETREG) == FALSE) {
1381                 return;
1382         }
1383
1384         netreg_get_properties(modem);
1385 }
1386
1387 static void cm_update_powered(struct modem_data *modem,
1388                                 DBusMessageIter *value)
1389 {
1390         dbus_message_iter_get_basic(value, &modem->cm_powered);
1391
1392         DBG("%s ConnnectionManager Powered %d", modem->path,
1393                 modem->cm_powered);
1394
1395         if (modem->cm_powered == TRUE)
1396                 return;
1397
1398         cm_set_powered(modem);
1399 }
1400
1401 static gboolean cm_changed(DBusConnection *connection, DBusMessage *message,
1402                                 void *user_data)
1403 {
1404         const char *path = dbus_message_get_path(message);
1405         struct modem_data *modem;
1406         DBusMessageIter iter, value;
1407         const char *key;
1408
1409         modem = g_hash_table_lookup(modem_hash, path);
1410         if (modem == NULL)
1411                 return TRUE;
1412
1413         if (modem->ignore == TRUE)
1414                 return TRUE;
1415
1416         if (dbus_message_iter_init(message, &iter) == FALSE)
1417                 return TRUE;
1418
1419         dbus_message_iter_get_basic(&iter, &key);
1420
1421         dbus_message_iter_next(&iter);
1422         dbus_message_iter_recurse(&iter, &value);
1423
1424         if (g_str_equal(key, "Attached") == TRUE)
1425                 cm_update_attached(modem, &value);
1426         else if (g_str_equal(key, "Powered") == TRUE)
1427                 cm_update_powered(modem, &value);
1428
1429         return TRUE;
1430 }
1431
1432 static void cm_properties_reply(struct modem_data *modem, DBusMessageIter *dict)
1433 {
1434         DBG("%s", modem->path);
1435
1436         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
1437                 DBusMessageIter entry, value;
1438                 const char *key;
1439
1440                 dbus_message_iter_recurse(dict, &entry);
1441                 dbus_message_iter_get_basic(&entry, &key);
1442
1443                 dbus_message_iter_next(&entry);
1444                 dbus_message_iter_recurse(&entry, &value);
1445
1446                 if (g_str_equal(key, "Attached") == TRUE)
1447                         cm_update_attached(modem, &value);
1448                 else if (g_str_equal(key, "Powered") == TRUE)
1449                         cm_update_powered(modem, &value);
1450
1451                 dbus_message_iter_next(dict);
1452         }
1453 }
1454
1455 static int cm_get_properties(struct modem_data *modem)
1456 {
1457         return get_properties(modem->path, OFONO_CM_INTERFACE,
1458                                 cm_properties_reply, modem);
1459 }
1460
1461 static void update_sim_imsi(struct modem_data *modem,
1462                                 const char *imsi)
1463 {
1464         DBG("%s imsi %s", modem->path, imsi);
1465
1466         if (g_strcmp0(modem->imsi, imsi) == 0)
1467                 return;
1468
1469         g_free(modem->imsi);
1470         modem->imsi = g_strdup(imsi);
1471 }
1472
1473 static gboolean sim_changed(DBusConnection *connection, DBusMessage *message,
1474                                 void *user_data)
1475 {
1476         const char *path = dbus_message_get_path(message);
1477         struct modem_data *modem;
1478         DBusMessageIter iter, value;
1479         const char *key;
1480
1481         modem = g_hash_table_lookup(modem_hash, path);
1482         if (modem == NULL)
1483                 return TRUE;
1484
1485         if (modem->ignore == TRUE)
1486                 return TRUE;
1487
1488         if (dbus_message_iter_init(message, &iter) == FALSE)
1489                 return TRUE;
1490
1491         dbus_message_iter_get_basic(&iter, &key);
1492
1493         dbus_message_iter_next(&iter);
1494         dbus_message_iter_recurse(&iter, &value);
1495
1496         if (g_str_equal(key, "SubscriberIdentity") == TRUE) {
1497                 char *imsi;
1498
1499                 dbus_message_iter_get_basic(&value, &imsi);
1500
1501                 update_sim_imsi(modem, imsi);
1502
1503                 if (modem->online == FALSE) {
1504                         modem_set_online(modem);
1505                 } else if (has_interface(modem->interfaces,
1506                                                 OFONO_API_CM) == TRUE) {
1507                         if (ready_to_create_device(modem) == TRUE)
1508                                 create_device(modem);
1509                 }
1510         }
1511
1512         return TRUE;
1513 }
1514
1515 static void sim_properties_reply(struct modem_data *modem,
1516                                         DBusMessageIter *dict)
1517 {
1518         DBG("%s", modem->path);
1519
1520         while (dbus_message_iter_get_arg_type(dict) == DBUS_TYPE_DICT_ENTRY) {
1521                 DBusMessageIter entry, value;
1522                 const char *key;
1523
1524                 dbus_message_iter_recurse(dict, &entry);
1525                 dbus_message_iter_get_basic(&entry, &key);
1526
1527                 dbus_message_iter_next(&entry);
1528                 dbus_message_iter_recurse(&entry, &value);
1529
1530                 if (g_str_equal(key, "SubscriberIdentity") == TRUE) {
1531                         char *imsi;
1532
1533                         dbus_message_iter_get_basic(&value, &imsi);
1534
1535                         update_sim_imsi(modem, imsi);
1536
1537                         if (modem->online == FALSE) {
1538                                 modem_set_online(modem);
1539                                 break;
1540                         }
1541
1542                         if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1543                                 if (ready_to_create_device(modem) == TRUE)
1544                                         create_device(modem);
1545                                 if (modem->device != NULL) {
1546                                         cm_get_properties(modem);
1547                                         cm_get_contexts(modem);
1548                                 }
1549                         }
1550                         return;
1551                 }
1552
1553                 dbus_message_iter_next(dict);
1554         }
1555 }
1556
1557 static int sim_get_properties(struct modem_data *modem)
1558 {
1559         return get_properties(modem->path, OFONO_SIM_INTERFACE,
1560                         sim_properties_reply, modem);
1561 }
1562
1563 static gboolean modem_changed(DBusConnection *connection, DBusMessage *message,
1564                                 void *user_data)
1565 {
1566         const char *path = dbus_message_get_path(message);
1567         struct modem_data *modem;
1568         DBusMessageIter iter, value;
1569         const char *key;
1570
1571         modem = g_hash_table_lookup(modem_hash, path);
1572         if (modem == NULL)
1573                 return TRUE;
1574
1575         if (modem->ignore == TRUE)
1576                 return TRUE;
1577
1578         if (dbus_message_iter_init(message, &iter) == FALSE)
1579                 return TRUE;
1580
1581         dbus_message_iter_get_basic(&iter, &key);
1582
1583         dbus_message_iter_next(&iter);
1584         dbus_message_iter_recurse(&iter, &value);
1585
1586         if (g_str_equal(key, "Powered") == TRUE) {
1587                 dbus_message_iter_get_basic(&value, &modem->powered);
1588
1589                 DBG("%s Powered %d", modem->path, modem->powered);
1590
1591                 if (modem->powered == FALSE)
1592                         modem_set_powered(modem);
1593         } else if (g_str_equal(key, "Online") == TRUE) {
1594                 dbus_message_iter_get_basic(&value, &modem->online);
1595
1596                 DBG("%s Online %d", modem->path, modem->online);
1597
1598                 if (modem->online == FALSE)
1599                         return TRUE;
1600
1601                 if (has_interface(modem->interfaces, OFONO_API_CM) == FALSE)
1602                         return TRUE;
1603                 if (ready_to_create_device(modem) == TRUE)
1604                         create_device(modem);
1605                 if (modem->device != NULL) {
1606                         cm_get_properties(modem);
1607                         cm_get_contexts(modem);
1608                 }
1609         } else if (g_str_equal(key, "Interfaces") == TRUE) {
1610                 modem->interfaces = extract_interfaces(&value);
1611
1612                 DBG("%s Interfaces 0x%02x", modem->path,
1613                         modem->interfaces);
1614
1615                 if (has_interface(modem->interfaces, OFONO_API_SIM) == TRUE) {
1616                         if (modem->imsi == NULL &&
1617                                         modem->set_powered == FALSE) {
1618                                 /*
1619                                  * Only use do GetProperties() when
1620                                  * device has not been powered up.
1621                                  */
1622                                 sim_get_properties(modem);
1623                                 return TRUE;
1624                         }
1625                 }
1626
1627                 if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1628                         if (ready_to_create_device(modem) == TRUE)
1629                                 create_device(modem);
1630                         if (modem->device != NULL) {
1631                                 cm_get_properties(modem);
1632                                 cm_get_contexts(modem);
1633                                 return TRUE;
1634                         }
1635                 } else {
1636                         if (modem->context != NULL) {
1637                                 remove_cm_context(modem,
1638                                                 modem->context->path);
1639                         }
1640
1641                         if (modem->device != NULL)
1642                                 destroy_device(modem);
1643
1644                         return TRUE;
1645                 }
1646
1647                 if (has_interface(modem->interfaces, OFONO_API_NETREG) == TRUE) {
1648                         if (modem->attached == TRUE)
1649                                 netreg_get_properties(modem);
1650                 }
1651         } else if (g_str_equal(key, "Serial") == TRUE) {
1652                 char *serial;
1653
1654                 dbus_message_iter_get_basic(&value, &serial);
1655
1656                 g_free(modem->serial);
1657                 modem->serial = g_strdup(serial);
1658
1659                 DBG("%s Serial %s", modem->path, modem->serial);
1660
1661                 if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1662                         if (ready_to_create_device(modem) == TRUE)
1663                                 create_device(modem);
1664                         if (modem->device != NULL) {
1665                                 cm_get_properties(modem);
1666                                 cm_get_contexts(modem);
1667                         }
1668                 }
1669         }
1670
1671         return TRUE;
1672 }
1673
1674 static void add_modem(const char *path, DBusMessageIter *prop)
1675 {
1676         struct modem_data *modem;
1677
1678         DBG("%s", path);
1679
1680         modem = g_hash_table_lookup(modem_hash, path);
1681         if (modem != NULL) {
1682                 /*
1683                  * When oFono powers up we ask for the modems and oFono is
1684                  * reporting with modem_added signal the modems. Only
1685                  * handle them once.
1686                  */
1687                 return;
1688         }
1689
1690         modem = g_try_new0(struct modem_data, 1);
1691         if (modem == NULL)
1692                 return;
1693
1694         modem->path = g_strdup(path);
1695
1696         g_hash_table_insert(modem_hash, g_strdup(path), modem);
1697
1698         while (dbus_message_iter_get_arg_type(prop) == DBUS_TYPE_DICT_ENTRY) {
1699                 DBusMessageIter entry, value;
1700                 const char *key;
1701
1702                 dbus_message_iter_recurse(prop, &entry);
1703                 dbus_message_iter_get_basic(&entry, &key);
1704
1705                 dbus_message_iter_next(&entry);
1706                 dbus_message_iter_recurse(&entry, &value);
1707
1708                 if (g_str_equal(key, "Powered") == TRUE) {
1709                         dbus_message_iter_get_basic(&value, &modem->powered);
1710
1711                         DBG("%s Powered %d", modem->path, modem->powered);
1712                 } else if (g_str_equal(key, "Online") == TRUE) {
1713                         dbus_message_iter_get_basic(&value, &modem->online);
1714
1715                         DBG("%s Online %d", modem->path, modem->online);
1716                 } else if (g_str_equal(key, "Interfaces") == TRUE) {
1717                         modem->interfaces = extract_interfaces(&value);
1718
1719                         DBG("%s Interfaces 0x%02x", modem->path,
1720                                 modem->interfaces);
1721                 } else if (g_str_equal(key, "Serial") == TRUE) {
1722                         char *serial;
1723
1724                         dbus_message_iter_get_basic(&value, &serial);
1725                         modem->serial = g_strdup(serial);
1726
1727                         DBG("%s Serial %s", modem->path, modem->serial);
1728                 } else if (g_str_equal(key, "Type") == TRUE) {
1729                         char *type;
1730
1731                         dbus_message_iter_get_basic(&value, &type);
1732
1733                         DBG("%s Type %s", modem->path, type);
1734                         if (g_strcmp0(type, "hardware") != 0) {
1735                                 DBG("%s Ignore this modem", modem->path);
1736                                 modem->ignore = TRUE;
1737                         }
1738                 }
1739
1740                 dbus_message_iter_next(prop);
1741         }
1742
1743         if (modem->ignore == TRUE)
1744                 return;
1745
1746         if (modem->powered == FALSE) {
1747                 modem_set_powered(modem);
1748         } else if (has_interface(modem->interfaces, OFONO_API_SIM) == TRUE) {
1749                 sim_get_properties(modem);
1750         } else if (has_interface(modem->interfaces, OFONO_API_CM) == TRUE) {
1751                 if (ready_to_create_device(modem) == TRUE)
1752                         create_device(modem);
1753                 if (modem->device != NULL) {
1754                         cm_get_properties(modem);
1755                         cm_get_contexts(modem);
1756                 }
1757         }
1758 }
1759
1760 static void modem_power_down(gpointer key, gpointer value, gpointer user_data)
1761 {
1762         struct modem_data *modem = value;
1763
1764         DBG("%s", modem->path);
1765
1766         if (modem->ignore ==  TRUE)
1767                 return;
1768
1769         modem_set_unpowered(modem);
1770 }
1771
1772 static void remove_modem(gpointer data)
1773 {
1774         struct modem_data *modem = data;
1775
1776         DBG("%s", modem->path);
1777
1778         if (modem->call_set_property != NULL)
1779                 dbus_pending_call_cancel(modem->call_set_property);
1780
1781         if (modem->call_get_properties != NULL)
1782                 dbus_pending_call_cancel(modem->call_get_properties);
1783
1784         if (modem->call_get_contexts != NULL)
1785                 dbus_pending_call_cancel(modem->call_get_contexts);
1786
1787         if (modem->device != NULL)
1788                 destroy_device(modem);
1789
1790         if (modem->context != NULL)
1791                 remove_cm_context(modem, modem->context->path);
1792
1793         g_free(modem->serial);
1794         g_free(modem->name);
1795         g_free(modem->imsi);
1796         g_free(modem->path);
1797
1798         g_free(modem);
1799 }
1800
1801 static gboolean modem_added(DBusConnection *connection,
1802                                 DBusMessage *message, void *user_data)
1803 {
1804         DBusMessageIter iter, properties;
1805         const char *path;
1806
1807         DBG("");
1808
1809         if (dbus_message_iter_init(message, &iter) == FALSE)
1810                 return TRUE;
1811
1812         dbus_message_iter_get_basic(&iter, &path);
1813
1814         dbus_message_iter_next(&iter);
1815         dbus_message_iter_recurse(&iter, &properties);
1816
1817         add_modem(path, &properties);
1818
1819         return TRUE;
1820 }
1821
1822 static gboolean modem_removed(DBusConnection *connection,
1823                                 DBusMessage *message, void *user_data)
1824 {
1825         DBusMessageIter iter;
1826         const char *path;
1827
1828         DBG("");
1829
1830         if (dbus_message_iter_init(message, &iter) == FALSE)
1831                 return TRUE;
1832
1833         dbus_message_iter_get_basic(&iter, &path);
1834
1835         g_hash_table_remove(modem_hash, path);
1836
1837         return TRUE;
1838 }
1839
1840 static void manager_get_modems_reply(DBusPendingCall *call, void *user_data)
1841 {
1842         DBusMessage *reply;
1843         DBusError error;
1844         DBusMessageIter array, dict;
1845
1846         DBG("");
1847
1848         reply = dbus_pending_call_steal_reply(call);
1849
1850         dbus_error_init(&error);
1851
1852         if (dbus_set_error_from_message(&error, reply) == TRUE) {
1853                 connman_error("%s", error.message);
1854                 dbus_error_free(&error);
1855                 goto done;
1856         }
1857
1858         if (dbus_message_iter_init(reply, &array) == FALSE)
1859                 goto done;
1860
1861         dbus_message_iter_recurse(&array, &dict);
1862
1863         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_STRUCT) {
1864                 DBusMessageIter value, properties;
1865                 const char *path;
1866
1867                 dbus_message_iter_recurse(&dict, &value);
1868                 dbus_message_iter_get_basic(&value, &path);
1869
1870                 dbus_message_iter_next(&value);
1871                 dbus_message_iter_recurse(&value, &properties);
1872
1873                 add_modem(path, &properties);
1874
1875                 dbus_message_iter_next(&dict);
1876         }
1877
1878 done:
1879         dbus_message_unref(reply);
1880
1881         dbus_pending_call_unref(call);
1882 }
1883
1884 static int manager_get_modems(void)
1885 {
1886         DBusMessage *message;
1887         DBusPendingCall *call;
1888
1889         DBG("");
1890
1891         message = dbus_message_new_method_call(OFONO_SERVICE, "/",
1892                                         OFONO_MANAGER_INTERFACE, GET_MODEMS);
1893         if (message == NULL)
1894                 return -ENOMEM;
1895
1896         if (dbus_connection_send_with_reply(connection, message,
1897                                                &call, TIMEOUT) == FALSE) {
1898                 connman_error("Failed to call GetModems()");
1899                 dbus_message_unref(message);
1900                 return -EINVAL;
1901         }
1902
1903         if (call == NULL) {
1904                 connman_error("D-Bus connection not available");
1905                 dbus_message_unref(message);
1906                 return -EINVAL;
1907         }
1908
1909         dbus_pending_call_set_notify(call, manager_get_modems_reply,
1910                                         NULL, NULL);
1911
1912         dbus_message_unref(message);
1913
1914         return -EINPROGRESS;
1915 }
1916
1917 static void ofono_connect(DBusConnection *conn, void *user_data)
1918 {
1919         DBG("");
1920
1921         modem_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1922                                                 g_free, remove_modem);
1923         if (modem_hash == NULL)
1924                 return;
1925
1926         context_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
1927                                                 g_free, NULL);
1928         if (context_hash == NULL) {
1929                 g_hash_table_destroy(modem_hash);
1930                 return;
1931         }
1932
1933         manager_get_modems();
1934 }
1935
1936 static void ofono_disconnect(DBusConnection *conn, void *user_data)
1937 {
1938         DBG("");
1939
1940         if (modem_hash == NULL || context_hash == NULL)
1941                 return;
1942
1943         g_hash_table_destroy(modem_hash);
1944         modem_hash = NULL;
1945
1946         g_hash_table_destroy(context_hash);
1947         context_hash = NULL;
1948 }
1949
1950 static int network_probe(struct connman_network *network)
1951 {
1952         struct modem_data *modem = connman_network_get_data(network);
1953
1954         DBG("%s network %p", modem->path, network);
1955
1956         return 0;
1957 }
1958
1959 static void network_remove(struct connman_network *network)
1960 {
1961         struct modem_data *modem = connman_network_get_data(network);
1962
1963         DBG("%s network %p", modem->path, network);
1964 }
1965
1966 static int network_connect(struct connman_network *network)
1967 {
1968         struct modem_data *modem = connman_network_get_data(network);
1969
1970         DBG("%s network %p", modem->path, network);
1971
1972         return context_set_active(modem);
1973 }
1974
1975 static int network_disconnect(struct connman_network *network)
1976 {
1977         struct modem_data *modem = connman_network_get_data(network);
1978
1979         DBG("%s network %p", modem->path, network);
1980
1981         return context_set_inactive(modem);
1982 }
1983
1984 static struct connman_network_driver network_driver = {
1985         .name           = "network",
1986         .type           = CONNMAN_NETWORK_TYPE_CELLULAR,
1987         .probe          = network_probe,
1988         .remove         = network_remove,
1989         .connect        = network_connect,
1990         .disconnect     = network_disconnect,
1991 };
1992
1993 static int modem_probe(struct connman_device *device)
1994 {
1995         struct modem_data *modem = connman_device_get_data(device);
1996
1997         DBG("%s device %p", modem->path, device);
1998
1999         return 0;
2000 }
2001
2002 static void modem_remove(struct connman_device *device)
2003 {
2004         struct modem_data *modem = connman_device_get_data(device);
2005
2006         DBG("%s device %p", modem->path, device);
2007 }
2008
2009 static int modem_enable(struct connman_device *device)
2010 {
2011         struct modem_data *modem = connman_device_get_data(device);
2012
2013         DBG("%s device %p", modem->path, device);
2014
2015         return 0;
2016 }
2017
2018 static int modem_disable(struct connman_device *device)
2019 {
2020         struct modem_data *modem = connman_device_get_data(device);
2021
2022         DBG("%s device %p", modem->path, device);
2023
2024         return 0;
2025 }
2026
2027 static struct connman_device_driver modem_driver = {
2028         .name           = "modem",
2029         .type           = CONNMAN_DEVICE_TYPE_CELLULAR,
2030         .probe          = modem_probe,
2031         .remove         = modem_remove,
2032         .enable         = modem_enable,
2033         .disable        = modem_disable,
2034 };
2035
2036 static guint watch;
2037 static guint modem_added_watch;
2038 static guint modem_removed_watch;
2039 static guint modem_watch;
2040 static guint cm_watch;
2041 static guint sim_watch;
2042 static guint context_added_watch;
2043 static guint context_removed_watch;
2044 static guint netreg_watch;
2045 static guint context_watch;
2046
2047 static int ofono_init(void)
2048 {
2049         int err;
2050
2051         DBG("");
2052
2053         connection = connman_dbus_get_connection();
2054         if (connection == NULL)
2055                 return -EIO;
2056
2057         watch = g_dbus_add_service_watch(connection,
2058                                         OFONO_SERVICE, ofono_connect,
2059                                         ofono_disconnect, NULL, NULL);
2060
2061         modem_added_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2062                                                 OFONO_MANAGER_INTERFACE,
2063                                                 MODEM_ADDED,
2064                                                 modem_added,
2065                                                 NULL, NULL);
2066
2067         modem_removed_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2068                                                 OFONO_MANAGER_INTERFACE,
2069                                                 MODEM_REMOVED,
2070                                                 modem_removed,
2071                                                 NULL, NULL);
2072
2073         modem_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2074                                                 OFONO_MODEM_INTERFACE,
2075                                                 PROPERTY_CHANGED,
2076                                                 modem_changed,
2077                                                 NULL, NULL);
2078
2079         cm_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2080                                                 OFONO_CM_INTERFACE,
2081                                                 PROPERTY_CHANGED,
2082                                                 cm_changed,
2083                                                 NULL, NULL);
2084
2085         sim_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2086                                                 OFONO_SIM_INTERFACE,
2087                                                 PROPERTY_CHANGED,
2088                                                 sim_changed,
2089                                                 NULL, NULL);
2090
2091         context_added_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2092                                                 OFONO_CM_INTERFACE,
2093                                                 CONTEXT_ADDED,
2094                                                 cm_context_added,
2095                                                 NULL, NULL);
2096
2097         context_removed_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2098                                                 OFONO_CM_INTERFACE,
2099                                                 CONTEXT_REMOVED,
2100                                                 cm_context_removed,
2101                                                 NULL, NULL);
2102
2103         context_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2104                                                 OFONO_CONTEXT_INTERFACE,
2105                                                 PROPERTY_CHANGED,
2106                                                 context_changed,
2107                                                 NULL, NULL);
2108
2109         netreg_watch = g_dbus_add_signal_watch(connection, NULL, NULL,
2110                                                 OFONO_NETREG_INTERFACE,
2111                                                 PROPERTY_CHANGED,
2112                                                 netreg_changed,
2113                                                 NULL, NULL);
2114
2115
2116         if (watch == 0 || modem_added_watch == 0 || modem_removed_watch == 0 ||
2117                         modem_watch == 0 || cm_watch == 0 || sim_watch == 0 ||
2118                         context_added_watch == 0 ||
2119                         context_removed_watch == 0 ||
2120                         context_watch == 0 || netreg_watch == 0) {
2121                 err = -EIO;
2122                 goto remove;
2123         }
2124
2125         err = connman_network_driver_register(&network_driver);
2126         if (err < 0)
2127                 goto remove;
2128
2129         err = connman_device_driver_register(&modem_driver);
2130         if (err < 0) {
2131                 connman_network_driver_unregister(&network_driver);
2132                 goto remove;
2133         }
2134
2135         return 0;
2136
2137 remove:
2138         g_dbus_remove_watch(connection, netreg_watch);
2139         g_dbus_remove_watch(connection, context_watch);
2140         g_dbus_remove_watch(connection, context_removed_watch);
2141         g_dbus_remove_watch(connection, context_added_watch);
2142         g_dbus_remove_watch(connection, sim_watch);
2143         g_dbus_remove_watch(connection, cm_watch);
2144         g_dbus_remove_watch(connection, modem_watch);
2145         g_dbus_remove_watch(connection, modem_removed_watch);
2146         g_dbus_remove_watch(connection, modem_added_watch);
2147         g_dbus_remove_watch(connection, watch);
2148         dbus_connection_unref(connection);
2149
2150         return err;
2151 }
2152
2153 static void ofono_exit(void)
2154 {
2155         DBG("");
2156
2157         if (modem_hash != NULL) {
2158                 /*
2159                  * We should propably wait for the SetProperty() reply
2160                  * message, because ...
2161                  */
2162                 g_hash_table_foreach(modem_hash, modem_power_down, NULL);
2163
2164                 /*
2165                  * ... here we will cancel the call.
2166                  */
2167                 g_hash_table_destroy(modem_hash);
2168                 modem_hash = NULL;
2169         }
2170
2171         if (context_hash != NULL) {
2172                 g_hash_table_destroy(context_hash);
2173                 context_hash = NULL;
2174         }
2175
2176         connman_device_driver_unregister(&modem_driver);
2177         connman_network_driver_unregister(&network_driver);
2178
2179         g_dbus_remove_watch(connection, netreg_watch);
2180         g_dbus_remove_watch(connection, context_watch);
2181         g_dbus_remove_watch(connection, context_removed_watch);
2182         g_dbus_remove_watch(connection, context_added_watch);
2183         g_dbus_remove_watch(connection, sim_watch);
2184         g_dbus_remove_watch(connection, cm_watch);
2185         g_dbus_remove_watch(connection, modem_watch);
2186         g_dbus_remove_watch(connection, modem_added_watch);
2187         g_dbus_remove_watch(connection, modem_removed_watch);
2188         g_dbus_remove_watch(connection, watch);
2189
2190         dbus_connection_unref(connection);
2191 }
2192
2193 CONNMAN_PLUGIN_DEFINE(ofono, "oFono telephony plugin", VERSION,
2194                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, ofono_init, ofono_exit)