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