gsupplicant/supplicant.c

   1 /*
   2  *
   3  *  WPA supplicant library with GLib integration
   4  *
   5  *  Copyright (C) 2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <stdint.h>
  31 #include <syslog.h>
  32 #include <ctype.h>
  33
  34 #include <glib.h>
  35 #include <gdbus.h>
  36
  37 #include "dbus.h"
  38 #include "gsupplicant.h"
  39
  40 #define TIMEOUT 5000
  41
  42 #define IEEE80211_CAP_ESS       0x0001
  43 #define IEEE80211_CAP_IBSS      0x0002
  44 #define IEEE80211_CAP_PRIVACY   0x0010
  45
  46 static DBusConnection *connection;
  47
  48 static const GSupplicantCallbacks *callbacks_pointer;
  49
  50 static dbus_bool_t system_available = FALSE;
  51 static dbus_bool_t system_ready = FALSE;
  52
  53 static dbus_int32_t debug_level;
  54 static dbus_bool_t debug_timestamp = FALSE;
  55 static dbus_bool_t debug_showkeys = FALSE;
  56
  57 static const char *debug_strings[] = {
  58         "msgdump", "debug", "info", "warning", "error", NULL
  59 };
  60
  61 static unsigned int eap_methods;
  62
  63 struct strvalmap {
  64         const char *str;
  65         unsigned int val;
  66 };
  67
  68 static struct strvalmap eap_method_map[] = {
  69         { "MD5",        G_SUPPLICANT_EAP_METHOD_MD5     },
  70         { "TLS",        G_SUPPLICANT_EAP_METHOD_TLS     },
  71         { "MSCHAPV2",   G_SUPPLICANT_EAP_METHOD_MSCHAPV2        },
  72         { "PEAP",       G_SUPPLICANT_EAP_METHOD_PEAP    },
  73         { "TTLS",       G_SUPPLICANT_EAP_METHOD_TTLS    },
  74         { "GTC",        G_SUPPLICANT_EAP_METHOD_GTC     },
  75         { "OTP",        G_SUPPLICANT_EAP_METHOD_OTP     },
  76         { "LEAP",       G_SUPPLICANT_EAP_METHOD_LEAP    },
  77         { "WSC",        G_SUPPLICANT_EAP_METHOD_WSC     },
  78         { }
  79 };
  80
  81 static struct strvalmap keymgmt_map[] = {
  82         { "none",               G_SUPPLICANT_KEYMGMT_NONE               },
  83         { "ieee8021x",          G_SUPPLICANT_KEYMGMT_IEEE8021X  },
  84         { "wpa-none",           G_SUPPLICANT_KEYMGMT_WPA_NONE   },
  85         { "wpa-psk",            G_SUPPLICANT_KEYMGMT_WPA_PSK    },
  86         { "wpa-psk-sha256",     G_SUPPLICANT_KEYMGMT_WPA_PSK_256        },
  87         { "wpa-ft-psk",         G_SUPPLICANT_KEYMGMT_WPA_FT_PSK },
  88         { "wpa-ft-eap",         G_SUPPLICANT_KEYMGMT_WPA_FT_EAP },
  89         { "wpa-eap",            G_SUPPLICANT_KEYMGMT_WPA_EAP    },
  90         { "wpa-eap-sha256",     G_SUPPLICANT_KEYMGMT_WPA_EAP_256        },
  91         { "wps",                G_SUPPLICANT_KEYMGMT_WPS                },
  92         { }
  93 };
  94
  95 static struct strvalmap authalg_capa_map[] = {
  96         { "open",       G_SUPPLICANT_CAPABILITY_AUTHALG_OPEN    },
  97         { "shared",     G_SUPPLICANT_CAPABILITY_AUTHALG_SHARED  },
  98         { "leap",       G_SUPPLICANT_CAPABILITY_AUTHALG_LEAP    },
  99         { }
 100 };
 101
 102 static struct strvalmap proto_capa_map[] = {
 103         { "wpa",        G_SUPPLICANT_CAPABILITY_PROTO_WPA               },
 104         { "rsn",        G_SUPPLICANT_CAPABILITY_PROTO_RSN               },
 105         { }
 106 };
 107
 108 static struct strvalmap group_map[] = {
 109         { "wep40",      G_SUPPLICANT_GROUP_WEP40        },
 110         { "wep104",     G_SUPPLICANT_GROUP_WEP104       },
 111         { "tkip",       G_SUPPLICANT_GROUP_TKIP },
 112         { "ccmp",       G_SUPPLICANT_GROUP_CCMP },
 113         { }
 114 };
 115
 116 static struct strvalmap pairwise_map[] = {
 117         { "none",       G_SUPPLICANT_PAIRWISE_NONE      },
 118         { "tkip",       G_SUPPLICANT_PAIRWISE_TKIP      },
 119         { "ccmp",       G_SUPPLICANT_PAIRWISE_CCMP      },
 120         { }
 121 };
 122
 123 static struct strvalmap scan_capa_map[] = {
 124         { "active",     G_SUPPLICANT_CAPABILITY_SCAN_ACTIVE     },
 125         { "passive",    G_SUPPLICANT_CAPABILITY_SCAN_PASSIVE    },
 126         { "ssid",       G_SUPPLICANT_CAPABILITY_SCAN_SSID               },
 127         { }
 128 };
 129
 130 static struct strvalmap mode_capa_map[] = {
 131         { "infrastructure",     G_SUPPLICANT_CAPABILITY_MODE_INFRA      },
 132         { "ad-hoc",             G_SUPPLICANT_CAPABILITY_MODE_IBSS       },
 133         { "ap",                 G_SUPPLICANT_CAPABILITY_MODE_AP         },
 134         { }
 135 };
 136
 137 static GHashTable *interface_table;
 138 static GHashTable *bss_mapping;
 139
 140 struct _GSupplicantWpsCredentials {
 141         unsigned char ssid[32];
 142         unsigned int ssid_len;
 143         char *key;
 144 };
 145
 146 struct _GSupplicantInterface {
 147         char *path;
 148         char *network_path;
 149         unsigned int keymgmt_capa;
 150         unsigned int authalg_capa;
 151         unsigned int proto_capa;
 152         unsigned int group_capa;
 153         unsigned int pairwise_capa;
 154         unsigned int scan_capa;
 155         unsigned int mode_capa;
 156         unsigned int max_scan_ssids;
 157         dbus_bool_t ready;
 158         GSupplicantState state;
 159         dbus_bool_t scanning;
 160         GSupplicantInterfaceCallback scan_callback;
 161         void *scan_data;
 162         int apscan;
 163         char *ifname;
 164         char *driver;
 165         char *bridge;
 166         struct _GSupplicantWpsCredentials wps_cred;
 167         GSupplicantWpsState wps_state;
 168         GHashTable *network_table;
 169         GHashTable *net_mapping;
 170         GHashTable *bss_mapping;
 171         void *data;
 172 };
 173
 174 struct g_supplicant_bss {
 175         GSupplicantInterface *interface;
 176         char *path;
 177         unsigned char bssid[6];
 178         unsigned char ssid[32];
 179         unsigned int ssid_len;
 180         dbus_uint16_t frequency;
 181         dbus_uint32_t maxrate;
 182         dbus_int16_t signal;
 183         GSupplicantMode mode;
 184         GSupplicantSecurity security;
 185         unsigned int keymgmt;
 186         unsigned int pairwise;
 187         unsigned int group;
 188         dbus_bool_t privacy;
 189         dbus_bool_t psk;
 190         dbus_bool_t ieee8021x;
 191 };
 192
 193 struct _GSupplicantNetwork {
 194         GSupplicantInterface *interface;
 195         char *path;
 196         char *group;
 197         char *name;
 198         unsigned char ssid[32];
 199         unsigned int ssid_len;
 200         dbus_int16_t signal;
 201         dbus_uint16_t frequency;
 202         struct g_supplicant_bss *best_bss;
 203         GSupplicantMode mode;
 204         GSupplicantSecurity security;
 205         dbus_bool_t wps;
 206         GHashTable *bss_table;
 207         GHashTable *config_table;
 208 };
 209
 210 static inline void debug(const char *format, ...)
 211 {
 212         char str[256];
 213         va_list ap;
 214
 215         if (callbacks_pointer->debug == NULL)
 216                 return;
 217
 218         va_start(ap, format);
 219
 220         if (vsnprintf(str, sizeof(str), format, ap) > 0)
 221                 callbacks_pointer->debug(str);
 222
 223         va_end(ap);
 224 }
 225
 226 #define SUPPLICANT_DBG(fmt, arg...) \
 227         debug("%s:%s() " fmt, __FILE__, __FUNCTION__ , ## arg);
 228
 229 static GSupplicantMode string2mode(const char *mode)
 230 {
 231         if (mode == NULL)
 232                 return G_SUPPLICANT_MODE_UNKNOWN;
 233
 234         if (g_str_equal(mode, "infrastructure") == TRUE)
 235                 return G_SUPPLICANT_MODE_INFRA;
 236         else if (g_str_equal(mode, "ad-hoc") == TRUE)
 237                 return G_SUPPLICANT_MODE_IBSS;
 238
 239         return G_SUPPLICANT_MODE_UNKNOWN;
 240 }
 241
 242 static const char *mode2string(GSupplicantMode mode)
 243 {
 244         switch (mode) {
 245         case G_SUPPLICANT_MODE_UNKNOWN:
 246                 break;
 247         case G_SUPPLICANT_MODE_INFRA:
 248                 return "managed";
 249         case G_SUPPLICANT_MODE_IBSS:
 250                 return "adhoc";
 251         case G_SUPPLICANT_MODE_MASTER:
 252                 return "ap";
 253         }
 254
 255         return NULL;
 256 }
 257
 258 static const char *security2string(GSupplicantSecurity security)
 259 {
 260         switch (security) {
 261         case G_SUPPLICANT_SECURITY_UNKNOWN:
 262                 break;
 263         case G_SUPPLICANT_SECURITY_NONE:
 264                 return "none";
 265         case G_SUPPLICANT_SECURITY_WEP:
 266                 return "wep";
 267         case G_SUPPLICANT_SECURITY_PSK:
 268                 return "psk";
 269         case G_SUPPLICANT_SECURITY_IEEE8021X:
 270                 return "ieee8021x";
 271         }
 272
 273         return NULL;
 274 }
 275
 276 static GSupplicantState string2state(const char *state)
 277 {
 278         if (state == NULL)
 279                 return G_SUPPLICANT_STATE_UNKNOWN;
 280
 281         if (g_str_equal(state, "unknown") == TRUE)
 282                 return G_SUPPLICANT_STATE_UNKNOWN;
 283         else if (g_str_equal(state, "disconnected") == TRUE)
 284                 return G_SUPPLICANT_STATE_DISCONNECTED;
 285         else if (g_str_equal(state, "inactive") == TRUE)
 286                 return G_SUPPLICANT_STATE_INACTIVE;
 287         else if (g_str_equal(state, "scanning") == TRUE)
 288                 return G_SUPPLICANT_STATE_SCANNING;
 289         else if (g_str_equal(state, "authenticating") == TRUE)
 290                 return G_SUPPLICANT_STATE_AUTHENTICATING;
 291         else if (g_str_equal(state, "associating") == TRUE)
 292                 return G_SUPPLICANT_STATE_ASSOCIATING;
 293         else if (g_str_equal(state, "associated") == TRUE)
 294                 return G_SUPPLICANT_STATE_ASSOCIATED;
 295         else if (g_str_equal(state, "group_handshake") == TRUE)
 296                 return G_SUPPLICANT_STATE_GROUP_HANDSHAKE;
 297         else if (g_str_equal(state, "4way_handshake") == TRUE)
 298                 return G_SUPPLICANT_STATE_4WAY_HANDSHAKE;
 299         else if (g_str_equal(state, "completed") == TRUE)
 300                 return G_SUPPLICANT_STATE_COMPLETED;
 301
 302         return G_SUPPLICANT_STATE_UNKNOWN;
 303 }
 304
 305 static void callback_system_ready(void)
 306 {
 307         if (system_ready == TRUE)
 308                 return;
 309
 310         system_ready = TRUE;
 311
 312         if (callbacks_pointer == NULL)
 313                 return;
 314
 315         if (callbacks_pointer->system_ready == NULL)
 316                 return;
 317
 318         callbacks_pointer->system_ready();
 319 }
 320
 321 static void callback_system_killed(void)
 322 {
 323         system_ready = FALSE;
 324
 325         if (callbacks_pointer == NULL)
 326                 return;
 327
 328         if (callbacks_pointer->system_killed == NULL)
 329                 return;
 330
 331         callbacks_pointer->system_killed();
 332 }
 333
 334 static void callback_interface_added(GSupplicantInterface *interface)
 335 {
 336         SUPPLICANT_DBG("");
 337
 338         if (callbacks_pointer == NULL)
 339                 return;
 340
 341         if (callbacks_pointer->interface_added == NULL)
 342                 return;
 343
 344         callbacks_pointer->interface_added(interface);
 345 }
 346
 347 static void callback_interface_state(GSupplicantInterface *interface)
 348 {
 349         if (callbacks_pointer == NULL)
 350                 return;
 351
 352         if (callbacks_pointer->interface_state == NULL)
 353                 return;
 354
 355         callbacks_pointer->interface_state(interface);
 356 }
 357
 358 static void callback_interface_removed(GSupplicantInterface *interface)
 359 {
 360         if (callbacks_pointer == NULL)
 361                 return;
 362
 363         if (callbacks_pointer->interface_removed == NULL)
 364                 return;
 365
 366         callbacks_pointer->interface_removed(interface);
 367 }
 368
 369 static void callback_scan_started(GSupplicantInterface *interface)
 370 {
 371         if (callbacks_pointer == NULL)
 372                 return;
 373
 374         if (callbacks_pointer->scan_started == NULL)
 375                 return;
 376
 377         callbacks_pointer->scan_started(interface);
 378 }
 379
 380 static void callback_scan_finished(GSupplicantInterface *interface)
 381 {
 382         if (callbacks_pointer == NULL)
 383                 return;
 384
 385         if (callbacks_pointer->scan_finished == NULL)
 386                 return;
 387
 388         callbacks_pointer->scan_finished(interface);
 389 }
 390
 391 static void callback_network_added(GSupplicantNetwork *network)
 392 {
 393         if (callbacks_pointer == NULL)
 394                 return;
 395
 396         if (callbacks_pointer->network_added == NULL)
 397                 return;
 398
 399         callbacks_pointer->network_added(network);
 400 }
 401
 402 static void callback_network_removed(GSupplicantNetwork *network)
 403 {
 404         if (callbacks_pointer == NULL)
 405                 return;
 406
 407         if (callbacks_pointer->network_removed == NULL)
 408                 return;
 409
 410         callbacks_pointer->network_removed(network);
 411 }
 412
 413 static void callback_network_changed(GSupplicantNetwork *network,
 414                                         const char *property)
 415 {
 416         if (callbacks_pointer == NULL)
 417                 return;
 418
 419         if (callbacks_pointer->network_changed == NULL)
 420                 return;
 421
 422         callbacks_pointer->network_changed(network, property);
 423 }
 424
 425 static void remove_interface(gpointer data)
 426 {
 427         GSupplicantInterface *interface = data;
 428
 429         g_hash_table_destroy(interface->bss_mapping);
 430         g_hash_table_destroy(interface->net_mapping);
 431         g_hash_table_destroy(interface->network_table);
 432
 433         callback_interface_removed(interface);
 434
 435         g_free(interface->wps_cred.key);
 436         g_free(interface->path);
 437         g_free(interface->network_path);
 438         g_free(interface->ifname);
 439         g_free(interface->driver);
 440         g_free(interface->bridge);
 441         g_free(interface);
 442 }
 443
 444 static void remove_network(gpointer data)
 445 {
 446         GSupplicantNetwork *network = data;
 447
 448         g_hash_table_destroy(network->bss_table);
 449
 450         callback_network_removed(network);
 451
 452         g_hash_table_destroy(network->config_table);
 453
 454         g_free(network->path);
 455         g_free(network->group);
 456         g_free(network->name);
 457         g_free(network);
 458 }
 459
 460 static void remove_bss(gpointer data)
 461 {
 462         struct g_supplicant_bss *bss = data;
 463
 464         g_free(bss->path);
 465         g_free(bss);
 466 }
 467
 468 static void debug_strvalmap(const char *label, struct strvalmap *map,
 469                                                         unsigned int val)
 470 {
 471         int i;
 472
 473         for (i = 0; map[i].str != NULL; i++) {
 474                 if (val & map[i].val)
 475                         SUPPLICANT_DBG("%s: %s", label, map[i].str);
 476         }
 477 }
 478
 479 static void interface_capability_keymgmt(DBusMessageIter *iter, void *user_data)
 480 {
 481         GSupplicantInterface *interface = user_data;
 482         const char *str = NULL;
 483         int i;
 484
 485         dbus_message_iter_get_basic(iter, &str);
 486         if (str == NULL)
 487                 return;
 488
 489         for (i = 0; keymgmt_map[i].str != NULL; i++)
 490                 if (strcmp(str, keymgmt_map[i].str) == 0) {
 491                         interface->keymgmt_capa |= keymgmt_map[i].val;
 492                         break;
 493                 }
 494 }
 495
 496 static void interface_capability_authalg(DBusMessageIter *iter, void *user_data)
 497 {
 498         GSupplicantInterface *interface = user_data;
 499         const char *str = NULL;
 500         int i;
 501
 502         dbus_message_iter_get_basic(iter, &str);
 503         if (str == NULL)
 504                 return;
 505
 506         for (i = 0; authalg_capa_map[i].str != NULL; i++)
 507                 if (strcmp(str, authalg_capa_map[i].str) == 0) {
 508                         interface->authalg_capa |= authalg_capa_map[i].val;
 509                         break;
 510                 }
 511 }
 512
 513 static void interface_capability_proto(DBusMessageIter *iter, void *user_data)
 514 {
 515         GSupplicantInterface *interface = user_data;
 516         const char *str = NULL;
 517         int i;
 518
 519         dbus_message_iter_get_basic(iter, &str);
 520         if (str == NULL)
 521                 return;
 522
 523         for (i = 0; proto_capa_map[i].str != NULL; i++)
 524                 if (strcmp(str, proto_capa_map[i].str) == 0) {
 525                         interface->proto_capa |= proto_capa_map[i].val;
 526                         break;
 527                 }
 528 }
 529
 530 static void interface_capability_pairwise(DBusMessageIter *iter,
 531                                                         void *user_data)
 532 {
 533         GSupplicantInterface *interface = user_data;
 534         const char *str = NULL;
 535         int i;
 536
 537         dbus_message_iter_get_basic(iter, &str);
 538         if (str == NULL)
 539                 return;
 540
 541         for (i = 0; pairwise_map[i].str != NULL; i++)
 542                 if (strcmp(str, pairwise_map[i].str) == 0) {
 543                         interface->pairwise_capa |= pairwise_map[i].val;
 544                         break;
 545                 }
 546 }
 547
 548 static void interface_capability_group(DBusMessageIter *iter, void *user_data)
 549 {
 550         GSupplicantInterface *interface = user_data;
 551         const char *str = NULL;
 552         int i;
 553
 554         dbus_message_iter_get_basic(iter, &str);
 555         if (str == NULL)
 556                 return;
 557
 558         for (i = 0; group_map[i].str != NULL; i++)
 559                 if (strcmp(str, group_map[i].str) == 0) {
 560                         interface->group_capa |= group_map[i].val;
 561                         break;
 562                 }
 563 }
 564
 565 static void interface_capability_scan(DBusMessageIter *iter, void *user_data)
 566 {
 567         GSupplicantInterface *interface = user_data;
 568         const char *str = NULL;
 569         int i;
 570
 571         dbus_message_iter_get_basic(iter, &str);
 572         if (str == NULL)
 573                 return;
 574
 575         for (i = 0; scan_capa_map[i].str != NULL; i++)
 576                 if (strcmp(str, scan_capa_map[i].str) == 0) {
 577                         interface->scan_capa |= scan_capa_map[i].val;
 578                         break;
 579                 }
 580 }
 581
 582 static void interface_capability_mode(DBusMessageIter *iter, void *user_data)
 583 {
 584         GSupplicantInterface *interface = user_data;
 585         const char *str = NULL;
 586         int i;
 587
 588         dbus_message_iter_get_basic(iter, &str);
 589         if (str == NULL)
 590                 return;
 591
 592         for (i = 0; mode_capa_map[i].str != NULL; i++)
 593                 if (strcmp(str, mode_capa_map[i].str) == 0) {
 594                         interface->mode_capa |= mode_capa_map[i].val;
 595                         break;
 596                 }
 597 }
 598
 599 static void interface_capability(const char *key, DBusMessageIter *iter,
 600                                                         void *user_data)
 601 {
 602         GSupplicantInterface *interface = user_data;
 603
 604         if (key == NULL)
 605                 return;
 606
 607         if (g_strcmp0(key, "KeyMgmt") == 0)
 608                 supplicant_dbus_array_foreach(iter,
 609                                 interface_capability_keymgmt, interface);
 610         else if (g_strcmp0(key, "AuthAlg") == 0)
 611                 supplicant_dbus_array_foreach(iter,
 612                                 interface_capability_authalg, interface);
 613         else if (g_strcmp0(key, "Protocol") == 0)
 614                 supplicant_dbus_array_foreach(iter,
 615                                 interface_capability_proto, interface);
 616         else if (g_strcmp0(key, "Pairwise") == 0)
 617                 supplicant_dbus_array_foreach(iter,
 618                                 interface_capability_pairwise, interface);
 619         else if (g_strcmp0(key, "Group") == 0)
 620                 supplicant_dbus_array_foreach(iter,
 621                                 interface_capability_group, interface);
 622         else if (g_strcmp0(key, "Scan") == 0)
 623                 supplicant_dbus_array_foreach(iter,
 624                                 interface_capability_scan, interface);
 625         else if (g_strcmp0(key, "Modes") == 0)
 626                 supplicant_dbus_array_foreach(iter,
 627                                 interface_capability_mode, interface);
 628         else if (g_strcmp0(key, "MaxScanSSID") == 0) {
 629                 dbus_int32_t max_scan_ssid;
 630
 631                 dbus_message_iter_get_basic(iter, &max_scan_ssid);
 632                 interface->max_scan_ssids = max_scan_ssid;
 633
 634         } else
 635                 SUPPLICANT_DBG("key %s type %c",
 636                                 key, dbus_message_iter_get_arg_type(iter));
 637 }
 638
 639 static void set_apscan(DBusMessageIter *iter, void *user_data)
 640 {
 641         unsigned int ap_scan = *(unsigned int *)user_data;
 642
 643         dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT32, &ap_scan);
 644 }
 645
 646 int g_supplicant_interface_set_apscan(GSupplicantInterface *interface,
 647                                                         unsigned int ap_scan)
 648 {
 649         return supplicant_dbus_property_set(interface->path,
 650                         SUPPLICANT_INTERFACE ".Interface",
 651                                 "ApScan", DBUS_TYPE_UINT32_AS_STRING,
 652                                         set_apscan, NULL, &ap_scan);
 653 }
 654
 655 void g_supplicant_interface_set_data(GSupplicantInterface *interface,
 656                                                                 void *data)
 657 {
 658         if (interface == NULL)
 659                 return;
 660
 661         interface->data = data;
 662 }
 663
 664 void *g_supplicant_interface_get_data(GSupplicantInterface *interface)
 665 {
 666         if (interface == NULL)
 667                 return NULL;
 668
 669         return interface->data;
 670 }
 671
 672 const char *g_supplicant_interface_get_ifname(GSupplicantInterface *interface)
 673 {
 674         if (interface == NULL)
 675                 return NULL;
 676
 677         return interface->ifname;
 678 }
 679
 680 const char *g_supplicant_interface_get_driver(GSupplicantInterface *interface)
 681 {
 682         if (interface == NULL)
 683                 return NULL;
 684
 685         return interface->driver;
 686 }
 687
 688 GSupplicantState g_supplicant_interface_get_state(
 689                                         GSupplicantInterface *interface)
 690 {
 691         if (interface == NULL)
 692                 return G_SUPPLICANT_STATE_UNKNOWN;
 693
 694         return interface->state;
 695 }
 696
 697 const char *g_supplicant_interface_get_wps_key(GSupplicantInterface *interface)
 698 {
 699         if (interface == NULL)
 700                 return NULL;
 701
 702         return (const char *)interface->wps_cred.key;
 703 }
 704
 705 const void *g_supplicant_interface_get_wps_ssid(GSupplicantInterface *interface,
 706                                                         unsigned int *ssid_len)
 707 {
 708         if (ssid_len == NULL)
 709                 return NULL;
 710
 711         if (interface == NULL || interface->wps_cred.ssid == NULL) {
 712                 *ssid_len = 0;
 713                 return NULL;
 714         }
 715
 716         *ssid_len = interface->wps_cred.ssid_len;
 717         return interface->wps_cred.ssid;
 718 }
 719
 720 GSupplicantWpsState g_supplicant_interface_get_wps_state(
 721                                         GSupplicantInterface *interface)
 722 {
 723         if (interface == NULL)
 724                 return G_SUPPLICANT_WPS_STATE_UNKNOWN;
 725
 726         return interface->wps_state;
 727 }
 728
 729 unsigned int g_supplicant_interface_get_mode(GSupplicantInterface *interface)
 730 {
 731         if (interface == NULL)
 732                 return 0;
 733
 734         return interface->mode_capa;
 735 }
 736
 737 unsigned int g_supplicant_interface_get_max_scan_ssids(
 738                                 GSupplicantInterface *interface)
 739 {
 740         if (interface == NULL)
 741                 return 0;
 742
 743         return interface->max_scan_ssids;
 744 }
 745
 746 static void set_network_enabled(DBusMessageIter *iter, void *user_data)
 747 {
 748         dbus_bool_t enable = *(dbus_bool_t *)user_data;
 749
 750         dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &enable);
 751 }
 752
 753 int g_supplicant_interface_enable_selected_network(GSupplicantInterface *interface,
 754                                                         dbus_bool_t enable)
 755 {
 756         if (interface == NULL)
 757                 return -1;
 758
 759         if (interface->network_path == NULL)
 760                 return -1;
 761
 762         SUPPLICANT_DBG(" ");
 763         return supplicant_dbus_property_set(interface->network_path,
 764                                 SUPPLICANT_INTERFACE ".Network",
 765                                 "Enabled", DBUS_TYPE_BOOLEAN_AS_STRING,
 766                                 set_network_enabled, NULL, &enable);
 767 }
 768
 769 dbus_bool_t g_supplicant_interface_get_ready(GSupplicantInterface *interface)
 770 {
 771         if (interface == NULL)
 772                 return FALSE;
 773
 774         return interface->ready;
 775 }
 776
 777 GSupplicantInterface *g_supplicant_network_get_interface(
 778                                         GSupplicantNetwork *network)
 779 {
 780         if (network == NULL)
 781                 return NULL;
 782
 783         return network->interface;
 784 }
 785
 786 const char *g_supplicant_network_get_name(GSupplicantNetwork *network)
 787 {
 788         if (network == NULL || network->name == NULL)
 789                 return "";
 790
 791         return network->name;
 792 }
 793
 794 const char *g_supplicant_network_get_identifier(GSupplicantNetwork *network)
 795 {
 796         if (network == NULL || network->group == NULL)
 797                 return "";
 798
 799         return network->group;
 800 }
 801
 802 const char *g_supplicant_network_get_path(GSupplicantNetwork *network)
 803 {
 804         if (network == NULL || network->path == NULL)
 805                 return NULL;
 806
 807         return network->path;
 808 }
 809
 810 const char *g_supplicant_network_get_mode(GSupplicantNetwork *network)
 811 {
 812         if (network == NULL)
 813                 return G_SUPPLICANT_MODE_UNKNOWN;
 814
 815         return mode2string(network->mode);
 816 }
 817
 818 const char *g_supplicant_network_get_security(GSupplicantNetwork *network)
 819 {
 820         if (network == NULL)
 821                 return G_SUPPLICANT_SECURITY_UNKNOWN;
 822
 823         return security2string(network->security);
 824 }
 825
 826 const void *g_supplicant_network_get_ssid(GSupplicantNetwork *network,
 827                                                 unsigned int *ssid_len)
 828 {
 829         if (network == NULL || network->ssid == NULL) {
 830                 *ssid_len = 0;
 831                 return NULL;
 832         }
 833
 834         *ssid_len = network->ssid_len;
 835         return network->ssid;
 836 }
 837
 838 dbus_int16_t g_supplicant_network_get_signal(GSupplicantNetwork *network)
 839 {
 840         if (network == NULL)
 841                 return 0;
 842
 843         return network->signal;
 844 }
 845
 846 dbus_uint16_t g_supplicant_network_get_frequency(GSupplicantNetwork *network)
 847 {
 848         if (network == NULL)
 849                 return 0;
 850
 851         return network->frequency;
 852 }
 853
 854 dbus_bool_t g_supplicant_network_get_wps(GSupplicantNetwork *network)
 855 {
 856         if (network == NULL)
 857                 return FALSE;
 858
 859         return network->wps;
 860 }
 861
 862 #if defined TIZEN_EXT
 863 /*
 864  * Description: Network client requires additional wifi specific info
 865  */
 866 const unsigned char *g_supplicant_network_get_bssid(GSupplicantNetwork *network)
 867 {
 868         if (network == NULL || network->best_bss == NULL)
 869                 return NULL;
 870
 871         return (const unsigned char *)network->best_bss->bssid;
 872 }
 873
 874 unsigned int g_supplicant_network_get_maxrate(GSupplicantNetwork *network)
 875 {
 876         if (network == NULL || network->best_bss == NULL)
 877                 return 0;
 878
 879         return network->best_bss->maxrate;
 880 }
 881
 882 const char *g_supplicant_network_get_enc_mode(GSupplicantNetwork *network)
 883 {
 884         if (network == NULL || network->best_bss == NULL)
 885                 return NULL;
 886
 887         if ((network->best_bss->pairwise & G_SUPPLICANT_PAIRWISE_CCMP) &&
 888             (network->best_bss->pairwise & G_SUPPLICANT_PAIRWISE_TKIP))
 889                 return "mixed";
 890         else if (network->best_bss->pairwise & G_SUPPLICANT_PAIRWISE_CCMP)
 891                 return "aes";
 892         else if (network->best_bss->pairwise & G_SUPPLICANT_PAIRWISE_TKIP)
 893                 return "tkip";
 894         else if (network->best_bss->security == G_SUPPLICANT_SECURITY_WEP)
 895                 return "wep";
 896
 897         return "none";
 898 }
 899 #endif
 900
 901 static void merge_network(GSupplicantNetwork *network)
 902 {
 903         GString *str;
 904         const char *ssid, *mode, *key_mgmt;
 905         unsigned int i, ssid_len;
 906         char *group;
 907
 908         ssid = g_hash_table_lookup(network->config_table, "ssid");
 909         mode = g_hash_table_lookup(network->config_table, "mode");
 910         key_mgmt = g_hash_table_lookup(network->config_table, "key_mgmt");
 911
 912         SUPPLICANT_DBG("ssid %s mode %s", ssid, mode);
 913
 914         if (ssid != NULL)
 915                 ssid_len = strlen(ssid);
 916         else
 917                 ssid_len = 0;
 918
 919         str = g_string_sized_new((ssid_len * 2) + 24);
 920         if (str == NULL)
 921                 return;
 922
 923         for (i = 0; i < ssid_len; i++)
 924                 g_string_append_printf(str, "%02x", ssid[i]);
 925
 926         if (g_strcmp0(mode, "0") == 0)
 927                 g_string_append_printf(str, "_managed");
 928         else if (g_strcmp0(mode, "1") == 0)
 929                 g_string_append_printf(str, "_adhoc");
 930
 931         if (g_strcmp0(key_mgmt, "WPA-PSK") == 0)
 932                 g_string_append_printf(str, "_psk");
 933
 934         group = g_string_free(str, FALSE);
 935
 936         SUPPLICANT_DBG("%s", group);
 937
 938         g_free(group);
 939
 940         g_hash_table_destroy(network->config_table);
 941
 942         g_free(network->path);
 943         g_free(network);
 944 }
 945
 946 static void network_property(const char *key, DBusMessageIter *iter,
 947                                                         void *user_data)
 948 {
 949         GSupplicantNetwork *network = user_data;
 950
 951         if (network->interface == NULL)
 952                 return;
 953
 954         if (key == NULL) {
 955                 merge_network(network);
 956                 return;
 957         }
 958
 959         if (g_strcmp0(key, "Enabled") == 0) {
 960                 dbus_bool_t enabled = FALSE;
 961
 962                 dbus_message_iter_get_basic(iter, &enabled);
 963         } else if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
 964                 const char *str = NULL;
 965
 966                 dbus_message_iter_get_basic(iter, &str);
 967                 if (str != NULL) {
 968                         g_hash_table_replace(network->config_table,
 969                                                 g_strdup(key), g_strdup(str));
 970                 }
 971         } else
 972                 SUPPLICANT_DBG("key %s type %c",
 973                                 key, dbus_message_iter_get_arg_type(iter));
 974 }
 975
 976 static void interface_network_added(DBusMessageIter *iter, void *user_data)
 977 {
 978         GSupplicantInterface *interface = user_data;
 979         GSupplicantNetwork *network;
 980         const char *path = NULL;
 981
 982         SUPPLICANT_DBG("");
 983
 984         dbus_message_iter_get_basic(iter, &path);
 985         if (path == NULL)
 986                 return;
 987
 988         if (g_strcmp0(path, "/") == 0)
 989                 return;
 990
 991         network = g_hash_table_lookup(interface->net_mapping, path);
 992         if (network != NULL)
 993                 return;
 994
 995         network = g_try_new0(GSupplicantNetwork, 1);
 996         if (network == NULL)
 997                 return;
 998
 999         network->interface = interface;
1000         network->path = g_strdup(path);
1001
1002         network->config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1003                                                         g_free, g_free);
1004
1005         dbus_message_iter_next(iter);
1006         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_INVALID) {
1007                 supplicant_dbus_property_foreach(iter, network_property,
1008                                                                 network);
1009                 network_property(NULL, NULL, network);
1010                 return;
1011         }
1012
1013         supplicant_dbus_property_get_all(path,
1014                                 SUPPLICANT_INTERFACE ".Network",
1015                                                 network_property, network);
1016 }
1017
1018 static void interface_network_removed(DBusMessageIter *iter, void *user_data)
1019 {
1020         GSupplicantInterface *interface = user_data;
1021         GSupplicantNetwork *network;
1022         const char *path = NULL;
1023
1024         dbus_message_iter_get_basic(iter, &path);
1025         if (path == NULL)
1026                 return;
1027
1028         network = g_hash_table_lookup(interface->net_mapping, path);
1029         if (network == NULL)
1030                 return;
1031
1032         g_hash_table_remove(interface->net_mapping, path);
1033 }
1034
1035 static char *create_name(unsigned char *ssid, int ssid_len)
1036 {
1037         char *name;
1038         int i;
1039
1040         if (ssid_len < 1 || ssid[0] == '\0')
1041                 name = NULL;
1042         else
1043                 name = g_try_malloc0(ssid_len + 1);
1044
1045         if (name == NULL)
1046                 return g_strdup("");
1047
1048         for (i = 0; i < ssid_len; i++) {
1049                 if (g_ascii_isprint(ssid[i]))
1050                         name[i] = ssid[i];
1051                 else
1052                         name[i] = ' ';
1053         }
1054
1055         return name;
1056 }
1057
1058 static char *create_group(struct g_supplicant_bss *bss)
1059 {
1060         GString *str;
1061         unsigned int i;
1062         const char *mode, *security;
1063
1064         str = g_string_sized_new((bss->ssid_len * 2) + 24);
1065         if (str == NULL)
1066                 return NULL;
1067
1068         if (bss->ssid_len > 0 && bss->ssid[0] != '\0') {
1069                 for (i = 0; i < bss->ssid_len; i++)
1070                         g_string_append_printf(str, "%02x", bss->ssid[i]);
1071         } else
1072                 g_string_append_printf(str, "hidden");
1073
1074         mode = mode2string(bss->mode);
1075         if (mode != NULL)
1076                 g_string_append_printf(str, "_%s", mode);
1077
1078         security = security2string(bss->security);
1079         if (security != NULL)
1080                 g_string_append_printf(str, "_%s", security);
1081
1082         return g_string_free(str, FALSE);
1083 }
1084
1085 static void add_bss_to_network(struct g_supplicant_bss *bss)
1086 {
1087         GSupplicantInterface *interface = bss->interface;
1088         GSupplicantNetwork *network;
1089         char *group;
1090
1091         group = create_group(bss);
1092         if (group == NULL)
1093                 return;
1094
1095         network = g_hash_table_lookup(interface->network_table, group);
1096         if (network != NULL) {
1097                 g_free(group);
1098                 goto done;
1099         }
1100
1101         network = g_try_new0(GSupplicantNetwork, 1);
1102         if (network == NULL) {
1103                 g_free(group);
1104                 return;
1105         }
1106
1107         network->interface = interface;
1108         if (network->path == NULL)
1109                 network->path = g_strdup(bss->path);
1110         network->group = group;
1111         network->name = create_name(bss->ssid, bss->ssid_len);
1112         network->mode = bss->mode;
1113         network->security = bss->security;
1114         network->ssid_len = bss->ssid_len;
1115         memcpy(network->ssid, bss->ssid, bss->ssid_len);
1116         network->signal = bss->signal;
1117         network->frequency = bss->frequency;
1118         network->best_bss = bss;
1119
1120         network->wps = FALSE;
1121         if ((bss->keymgmt & G_SUPPLICANT_KEYMGMT_WPS) != 0)
1122                 network->wps = TRUE;
1123
1124         network->bss_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1125                                                         NULL, remove_bss);
1126
1127         network->config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1128                                                         g_free, g_free);
1129
1130         g_hash_table_replace(interface->network_table,
1131                                                 network->group, network);
1132
1133         callback_network_added(network);
1134
1135 done:
1136         if (bss->signal > network->signal) {
1137                 network->signal = bss->signal;
1138                 network->best_bss = bss;
1139                 callback_network_changed(network, "Signal");
1140         }
1141
1142         g_hash_table_replace(interface->bss_mapping, bss->path, network);
1143         g_hash_table_replace(network->bss_table, bss->path, bss);
1144
1145         g_hash_table_replace(bss_mapping, bss->path, interface);
1146 }
1147
1148 static void bss_rates(DBusMessageIter *iter, void *user_data)
1149 {
1150         struct g_supplicant_bss *bss = user_data;
1151         dbus_uint32_t rate = 0;
1152
1153         dbus_message_iter_get_basic(iter, &rate);
1154         if (rate == 0)
1155                 return;
1156
1157         if (rate > bss->maxrate)
1158                 bss->maxrate = rate;
1159 }
1160
1161 static void bss_keymgmt(DBusMessageIter *iter, void *user_data)
1162 {
1163         struct g_supplicant_bss *bss = user_data;
1164         const char *str = NULL;
1165         int i;
1166
1167         dbus_message_iter_get_basic(iter, &str);
1168         if (str == NULL)
1169                 return;
1170
1171         for (i = 0; keymgmt_map[i].str != NULL; i++)
1172                 if (strcmp(str, keymgmt_map[i].str) == 0) {
1173                         bss->keymgmt |= keymgmt_map[i].val;
1174                         break;
1175                 }
1176 }
1177
1178 static void bss_group(DBusMessageIter *iter, void *user_data)
1179 {
1180         struct g_supplicant_bss *bss = user_data;
1181         const char *str = NULL;
1182         int i;
1183
1184         dbus_message_iter_get_basic(iter, &str);
1185         if (str == NULL)
1186                 return;
1187
1188         for (i = 0; group_map[i].str != NULL; i++)
1189                 if (strcmp(str, group_map[i].str) == 0) {
1190                         bss->group |= group_map[i].val;
1191                         break;
1192                 }
1193 }
1194
1195 static void bss_pairwise(DBusMessageIter *iter, void *user_data)
1196 {
1197         struct g_supplicant_bss *bss = user_data;
1198         const char *str = NULL;
1199         int i;
1200
1201         dbus_message_iter_get_basic(iter, &str);
1202         if (str == NULL)
1203                 return;
1204
1205         for (i = 0; pairwise_map[i].str != NULL; i++)
1206                 if (strcmp(str, pairwise_map[i].str) == 0) {
1207                         bss->pairwise |= pairwise_map[i].val;
1208                         break;
1209                 }
1210 }
1211
1212 static void bss_wpa(const char *key, DBusMessageIter *iter,
1213                         void *user_data)
1214 {
1215         if (g_strcmp0(key, "KeyMgmt") == 0)
1216                 supplicant_dbus_array_foreach(iter, bss_keymgmt, user_data);
1217         else if (g_strcmp0(key, "Group") == 0)
1218                 supplicant_dbus_array_foreach(iter, bss_group, user_data);
1219         else if (g_strcmp0(key, "Pairwise") == 0)
1220                 supplicant_dbus_array_foreach(iter, bss_pairwise, user_data);
1221 }
1222
1223 static unsigned int get_tlv(unsigned char *ie, unsigned int ie_size,
1224                                                         unsigned int type)
1225 {
1226         unsigned int len = 0;
1227
1228         while (len + 4 < ie_size) {
1229                 unsigned int hi = ie[len];
1230                 unsigned int lo = ie[len + 1];
1231                 unsigned int tmp_type = (hi << 8) + lo;
1232                 unsigned int v_len = 0;
1233
1234                 /* hi and lo are used to recreate an unsigned int
1235                  * based on 2 8bits length unsigned int. */
1236
1237                 hi = ie[len + 2];
1238                 lo = ie[len + 3];
1239                 v_len = (hi << 8) + lo;
1240
1241                 if (tmp_type == type) {
1242                         unsigned int ret_value = 0;
1243                         unsigned char *value = (unsigned char *)&ret_value;
1244
1245                         SUPPLICANT_DBG("IE: match type 0x%x", type);
1246
1247                         /* Verifying length relevance */
1248                         if (v_len > sizeof(unsigned int) ||
1249                                 len + 4 + v_len > ie_size)
1250                                 break;
1251
1252                         memcpy(value, ie + len + 4, v_len);
1253
1254                         SUPPLICANT_DBG("returning 0x%x", ret_value);
1255                         return ret_value;
1256                 }
1257
1258                 len += v_len + 4;
1259         }
1260
1261         SUPPLICANT_DBG("returning 0");
1262         return 0;
1263 }
1264
1265 static void bss_process_ies(DBusMessageIter *iter, void *user_data)
1266 {
1267         struct g_supplicant_bss *bss = user_data;
1268         const unsigned char WPS_OUI[] = { 0x00, 0x50, 0xf2, 0x04 };
1269         unsigned char *ie, *ie_end;
1270         DBusMessageIter array;
1271         int ie_len;
1272
1273 #define WMM_WPA1_WPS_INFO 221
1274 #define WPS_INFO_MIN_LEN  6
1275 #define WPS_VERSION_TLV   0x104A
1276 #define WPS_STATE_TLV     0x1044
1277 #define WPS_VERSION       0x10
1278
1279         dbus_message_iter_recurse(iter, &array);
1280         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
1281
1282         if (ie == NULL || ie_len < 2)
1283                 return;
1284
1285         for (ie_end = ie + ie_len; ie < ie_end && ie + ie[1] + 1 <= ie_end;
1286                                                         ie += ie[1] + 2) {
1287
1288                 if (ie[0] != WMM_WPA1_WPS_INFO || ie[1] < WPS_INFO_MIN_LEN ||
1289                         memcmp(ie+2, WPS_OUI, sizeof(WPS_OUI)) != 0)
1290                         continue;
1291
1292                 SUPPLICANT_DBG("IE: match WPS_OUI");
1293
1294                 if (get_tlv(&ie[6], ie[1],
1295                                 WPS_VERSION_TLV) == WPS_VERSION &&
1296                         get_tlv(&ie[6], ie[1],
1297                                 WPS_STATE_TLV) != 0)
1298                         bss->keymgmt |= G_SUPPLICANT_KEYMGMT_WPS;
1299         }
1300 }
1301
1302 static void bss_compute_security(struct g_supplicant_bss *bss)
1303 {
1304         if (bss->ieee8021x == TRUE)
1305                 bss->security = G_SUPPLICANT_SECURITY_IEEE8021X;
1306         else if (bss->psk == TRUE)
1307                 bss->security = G_SUPPLICANT_SECURITY_PSK;
1308         else if (bss->privacy == TRUE)
1309                 bss->security = G_SUPPLICANT_SECURITY_WEP;
1310         else
1311                 bss->security = G_SUPPLICANT_SECURITY_NONE;
1312 }
1313
1314 static void bss_property(const char *key, DBusMessageIter *iter,
1315                                                         void *user_data)
1316 {
1317         struct g_supplicant_bss *bss = user_data;
1318
1319         if (bss->interface == NULL)
1320                 return;
1321
1322         SUPPLICANT_DBG("key %s", key);
1323
1324         if (key == NULL)
1325                 return;
1326
1327         if (g_strcmp0(key, "WPA") == 0) {
1328
1329                 /* WPA/RSN property can be updated:
1330                  * - When WPS signal arrived at first with signal_bss_changed,
1331                  * WPA/RSN related properties should be cleared.
1332                  * - Consecutive WPA and RSN signals can be update properties
1333                  * correctly.
1334                  * - When bss added, it's not affect anything. */
1335
1336                 bss->keymgmt = 0;
1337                 bss->group = 0;
1338                 bss->pairwise = 0;
1339                 bss->ieee8021x = FALSE;
1340                 bss->psk = FALSE;
1341         }
1342
1343         if (g_strcmp0(key, "BSSID") == 0) {
1344                 DBusMessageIter array;
1345                 unsigned char *addr;
1346                 int addr_len;
1347
1348                 dbus_message_iter_recurse(iter, &array);
1349                 dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
1350
1351                 if (addr_len == 6)
1352                         memcpy(bss->bssid, addr, addr_len);
1353         } else if (g_strcmp0(key, "SSID") == 0) {
1354                 DBusMessageIter array;
1355                 unsigned char *ssid;
1356                 int ssid_len;
1357
1358                 dbus_message_iter_recurse(iter, &array);
1359                 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
1360
1361                 if (ssid_len > 0 && ssid_len < 33) {
1362                         memcpy(bss->ssid, ssid, ssid_len);
1363                         bss->ssid_len = ssid_len;
1364                 } else {
1365                         memset(bss->ssid, 0, sizeof(bss->ssid));
1366                         bss->ssid_len = 0;
1367                 }
1368         } else if (g_strcmp0(key, "Capabilities") == 0) {
1369                 dbus_uint16_t capabilities = 0x0000;
1370
1371                 dbus_message_iter_get_basic(iter, &capabilities);
1372
1373                 if (capabilities & IEEE80211_CAP_ESS)
1374                         bss->mode = G_SUPPLICANT_MODE_INFRA;
1375                 else if (capabilities & IEEE80211_CAP_IBSS)
1376                         bss->mode = G_SUPPLICANT_MODE_IBSS;
1377
1378                 if (capabilities & IEEE80211_CAP_PRIVACY)
1379                         bss->privacy = TRUE;
1380         } else if (g_strcmp0(key, "Mode") == 0) {
1381                 const char *mode = NULL;
1382
1383                 dbus_message_iter_get_basic(iter, &mode);
1384                 bss->mode = string2mode(mode);
1385         } else if (g_strcmp0(key, "Frequency") == 0) {
1386                 dbus_uint16_t frequency = 0;
1387
1388                 dbus_message_iter_get_basic(iter, &frequency);
1389                 bss->frequency = frequency;
1390         } else if (g_strcmp0(key, "Signal") == 0) {
1391                 dbus_int16_t signal = 0;
1392
1393                 dbus_message_iter_get_basic(iter, &signal);
1394
1395                 bss->signal = signal;
1396         } else if (g_strcmp0(key, "Level") == 0) {
1397                 dbus_int32_t level = 0;
1398
1399                 dbus_message_iter_get_basic(iter, &level);
1400         } else if (g_strcmp0(key, "Rates") == 0) {
1401                 supplicant_dbus_array_foreach(iter, bss_rates, bss);
1402         } else if (g_strcmp0(key, "MaxRate") == 0) {
1403                 dbus_uint32_t maxrate = 0;
1404
1405                 dbus_message_iter_get_basic(iter, &maxrate);
1406                 if (maxrate != 0)
1407                         bss->maxrate = maxrate;
1408         } else if (g_strcmp0(key, "Privacy") == 0) {
1409                 dbus_bool_t privacy = FALSE;
1410
1411                 dbus_message_iter_get_basic(iter, &privacy);
1412                 bss->privacy = privacy;
1413         } else if ((g_strcmp0(key, "RSN") == 0) ||
1414                         (g_strcmp0(key, "WPA") == 0)) {
1415                 supplicant_dbus_property_foreach(iter, bss_wpa, bss);
1416
1417                 if (bss->keymgmt &
1418                         (G_SUPPLICANT_KEYMGMT_WPA_EAP |
1419                                 G_SUPPLICANT_KEYMGMT_WPA_FT_EAP |
1420                                 G_SUPPLICANT_KEYMGMT_WPA_EAP_256))
1421                         bss->ieee8021x = TRUE;
1422
1423                 if (bss->keymgmt &
1424                         (G_SUPPLICANT_KEYMGMT_WPA_PSK |
1425                                 G_SUPPLICANT_KEYMGMT_WPA_FT_PSK |
1426                                 G_SUPPLICANT_KEYMGMT_WPA_PSK_256))
1427                         bss->psk = TRUE;
1428         } else if (g_strcmp0(key, "IEs") == 0)
1429                 bss_process_ies(iter, bss);
1430         else
1431                 SUPPLICANT_DBG("key %s type %c",
1432                                 key, dbus_message_iter_get_arg_type(iter));
1433 }
1434
1435 static struct g_supplicant_bss *interface_bss_added(DBusMessageIter *iter,
1436                                                         void *user_data)
1437 {
1438         GSupplicantInterface *interface = user_data;
1439         GSupplicantNetwork *network;
1440         struct g_supplicant_bss *bss;
1441         const char *path = NULL;
1442
1443         SUPPLICANT_DBG("");
1444
1445         dbus_message_iter_get_basic(iter, &path);
1446         if (path == NULL)
1447                 return NULL;
1448
1449         if (g_strcmp0(path, "/") == 0)
1450                 return NULL;
1451
1452         SUPPLICANT_DBG("%s", path);
1453
1454         network = g_hash_table_lookup(interface->bss_mapping, path);
1455         if (network != NULL) {
1456                 bss = g_hash_table_lookup(network->bss_table, path);
1457                 if (bss != NULL)
1458                         return NULL;
1459         }
1460
1461         bss = g_try_new0(struct g_supplicant_bss, 1);
1462         if (bss == NULL)
1463                 return NULL;
1464
1465         bss->interface = interface;
1466         bss->path = g_strdup(path);
1467
1468         return bss;
1469 }
1470
1471 static void interface_bss_added_with_keys(DBusMessageIter *iter,
1472                                                 void *user_data)
1473 {
1474         struct g_supplicant_bss *bss;
1475
1476         SUPPLICANT_DBG("");
1477
1478         bss = interface_bss_added(iter, user_data);
1479         if (bss == NULL)
1480                 return;
1481
1482         dbus_message_iter_next(iter);
1483
1484         if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_INVALID)
1485                 return;
1486
1487         supplicant_dbus_property_foreach(iter, bss_property, bss);
1488
1489         bss_compute_security(bss);
1490         add_bss_to_network(bss);
1491 }
1492
1493 static void interface_bss_added_without_keys(DBusMessageIter *iter,
1494                                                 void *user_data)
1495 {
1496         struct g_supplicant_bss *bss;
1497
1498         SUPPLICANT_DBG("");
1499
1500         bss = interface_bss_added(iter, user_data);
1501         if (bss == NULL)
1502                 return;
1503
1504         supplicant_dbus_property_get_all(bss->path,
1505                                         SUPPLICANT_INTERFACE ".BSS",
1506                                                         bss_property, bss);
1507
1508         bss_compute_security(bss);
1509         add_bss_to_network(bss);
1510 }
1511
1512 static void update_signal(gpointer key, gpointer value,
1513                                                 gpointer user_data)
1514 {
1515         struct g_supplicant_bss *bss = value;
1516         GSupplicantNetwork *network = user_data;
1517
1518         if (bss->signal > network->signal) {
1519                 network->signal = bss->signal;
1520                 network->best_bss = bss;
1521         }
1522 }
1523
1524 static void update_network_signal(GSupplicantNetwork *network)
1525 {
1526         if (g_hash_table_size(network->bss_table) <= 1)
1527                 return;
1528
1529         g_hash_table_foreach(network->bss_table,
1530                                 update_signal, network);
1531
1532         SUPPLICANT_DBG("New network signal %d", network->signal);
1533 }
1534
1535 static void interface_bss_removed(DBusMessageIter *iter, void *user_data)
1536 {
1537         GSupplicantInterface *interface = user_data;
1538         GSupplicantNetwork *network;
1539         const char *path = NULL;
1540
1541         dbus_message_iter_get_basic(iter, &path);
1542         if (path == NULL)
1543                 return;
1544
1545         network = g_hash_table_lookup(interface->bss_mapping, path);
1546         if (network == NULL)
1547                 return;
1548
1549         g_hash_table_remove(bss_mapping, path);
1550
1551         g_hash_table_remove(interface->bss_mapping, path);
1552         g_hash_table_remove(network->bss_table, path);
1553
1554         update_network_signal(network);
1555
1556         if (g_hash_table_size(network->bss_table) == 0)
1557                 g_hash_table_remove(interface->network_table, network->group);
1558 }
1559
1560 static void interface_property(const char *key, DBusMessageIter *iter,
1561                                                         void *user_data)
1562 {
1563         GSupplicantInterface *interface = user_data;
1564
1565         if (interface == NULL)
1566                 return;
1567
1568         SUPPLICANT_DBG("%s", key);
1569
1570         if (key == NULL) {
1571                 debug_strvalmap("KeyMgmt capability", keymgmt_map,
1572                                                 interface->keymgmt_capa);
1573                 debug_strvalmap("AuthAlg capability", authalg_capa_map,
1574                                                 interface->authalg_capa);
1575                 debug_strvalmap("Protocol capability", proto_capa_map,
1576                                                 interface->proto_capa);
1577                 debug_strvalmap("Pairwise capability", pairwise_map,
1578                                                 interface->pairwise_capa);
1579                 debug_strvalmap("Group capability", group_map,
1580                                                 interface->group_capa);
1581                 debug_strvalmap("Scan capability", scan_capa_map,
1582                                                 interface->scan_capa);
1583                 debug_strvalmap("Mode capability", mode_capa_map,
1584                                                 interface->mode_capa);
1585
1586                 interface->ready = TRUE;
1587                 callback_interface_added(interface);
1588                 return;
1589         }
1590
1591         if (g_strcmp0(key, "Capabilities") == 0) {
1592                 supplicant_dbus_property_foreach(iter, interface_capability,
1593                                                                 interface);
1594         } else if (g_strcmp0(key, "State") == 0) {
1595                 const char *str = NULL;
1596
1597                 dbus_message_iter_get_basic(iter, &str);
1598                 if (str != NULL)
1599                         if (string2state(str) != interface->state) {
1600                                 interface->state = string2state(str);
1601                                 callback_interface_state(interface);
1602                         }
1603
1604                 SUPPLICANT_DBG("state %s (%d)", str, interface->state);
1605         } else if (g_strcmp0(key, "Scanning") == 0) {
1606                 dbus_bool_t scanning = FALSE;
1607
1608                 dbus_message_iter_get_basic(iter, &scanning);
1609                 interface->scanning = scanning;
1610
1611                 if (interface->ready == TRUE) {
1612                         if (interface->scanning == TRUE)
1613                                 callback_scan_started(interface);
1614                         else
1615                                 callback_scan_finished(interface);
1616                 }
1617         } else if (g_strcmp0(key, "ApScan") == 0) {
1618                 int apscan = 1;
1619
1620                 dbus_message_iter_get_basic(iter, &apscan);
1621                 interface->apscan = apscan;
1622         } else if (g_strcmp0(key, "Ifname") == 0) {
1623                 const char *str = NULL;
1624
1625                 dbus_message_iter_get_basic(iter, &str);
1626                 if (str != NULL) {
1627                         g_free(interface->ifname);
1628                         interface->ifname = g_strdup(str);
1629                 }
1630         } else if (g_strcmp0(key, "Driver") == 0) {
1631                 const char *str = NULL;
1632
1633                 dbus_message_iter_get_basic(iter, &str);
1634                 if (str != NULL) {
1635                         g_free(interface->driver);
1636                         interface->driver = g_strdup(str);
1637                 }
1638         } else if (g_strcmp0(key, "BridgeIfname") == 0) {
1639                 const char *str = NULL;
1640
1641                 dbus_message_iter_get_basic(iter, &str);
1642                 if (str != NULL) {
1643                         g_free(interface->bridge);
1644                         interface->bridge = g_strdup(str);
1645                 }
1646         } else if (g_strcmp0(key, "CurrentBSS") == 0) {
1647                 interface_bss_added_without_keys(iter, interface);
1648         } else if (g_strcmp0(key, "CurrentNetwork") == 0) {
1649                 interface_network_added(iter, interface);
1650         } else if (g_strcmp0(key, "BSSs") == 0) {
1651                 supplicant_dbus_array_foreach(iter, interface_bss_added_without_keys,
1652                                                                 interface);
1653         } else if (g_strcmp0(key, "Blobs") == 0) {
1654                 /* Nothing */
1655         } else if (g_strcmp0(key, "Networks") == 0) {
1656                 supplicant_dbus_array_foreach(iter, interface_network_added,
1657                                                                 interface);
1658         } else
1659                 SUPPLICANT_DBG("key %s type %c",
1660                                 key, dbus_message_iter_get_arg_type(iter));
1661 }
1662
1663 static void scan_network_update(DBusMessageIter *iter, void *user_data)
1664 {
1665         GSupplicantInterface *interface = user_data;
1666         GSupplicantNetwork *network;
1667         char *path;
1668
1669         if (iter == NULL)
1670                 return;
1671
1672         dbus_message_iter_get_basic(iter, &path);
1673
1674         if (path == NULL)
1675                 return;
1676
1677         if (g_strcmp0(path, "/") == 0)
1678                 return;
1679
1680         /* Update the network details based on scan BSS data */
1681         network = g_hash_table_lookup(interface->bss_mapping, path);
1682         if (network != NULL)
1683                 callback_network_added(network);
1684 }
1685
1686 static void scan_bss_data(const char *key, DBusMessageIter *iter,
1687                                 void *user_data)
1688 {
1689         GSupplicantInterface *interface = user_data;
1690
1691         if (iter)
1692                 supplicant_dbus_array_foreach(iter, scan_network_update,
1693                                                 interface);
1694
1695         if (interface->scan_callback != NULL)
1696                 interface->scan_callback(0, interface, interface->scan_data);
1697
1698         interface->scan_callback = NULL;
1699         interface->scan_data = NULL;
1700 }
1701
1702 static GSupplicantInterface *interface_alloc(const char *path)
1703 {
1704         GSupplicantInterface *interface;
1705
1706         interface = g_try_new0(GSupplicantInterface, 1);
1707         if (interface == NULL)
1708                 return NULL;
1709
1710         interface->path = g_strdup(path);
1711
1712         interface->network_table = g_hash_table_new_full(g_str_hash,
1713                                         g_str_equal, NULL, remove_network);
1714
1715         interface->net_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1716                                                                 NULL, NULL);
1717         interface->bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1718                                                                 NULL, NULL);
1719
1720         g_hash_table_replace(interface_table, interface->path, interface);
1721
1722         return interface;
1723 }
1724
1725 static void interface_added(DBusMessageIter *iter, void *user_data)
1726 {
1727         GSupplicantInterface *interface;
1728         const char *path = NULL;
1729
1730         SUPPLICANT_DBG("");
1731
1732         dbus_message_iter_get_basic(iter, &path);
1733         if (path == NULL)
1734                 return;
1735
1736         if (g_strcmp0(path, "/") == 0)
1737                 return;
1738
1739         interface = g_hash_table_lookup(interface_table, path);
1740         if (interface != NULL)
1741                 return;
1742
1743         interface = interface_alloc(path);
1744         if (interface == NULL)
1745                 return;
1746
1747         dbus_message_iter_next(iter);
1748         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_INVALID) {
1749                 supplicant_dbus_property_foreach(iter, interface_property,
1750                                                                 interface);
1751                 interface_property(NULL, NULL, interface);
1752                 return;
1753         }
1754
1755         supplicant_dbus_property_get_all(path,
1756                                         SUPPLICANT_INTERFACE ".Interface",
1757                                                 interface_property, interface);
1758 }
1759
1760 static void interface_removed(DBusMessageIter *iter, void *user_data)
1761 {
1762         const char *path = NULL;
1763
1764         dbus_message_iter_get_basic(iter, &path);
1765         if (path == NULL)
1766                 return;
1767
1768         g_hash_table_remove(interface_table, path);
1769 }
1770
1771 static void eap_method(DBusMessageIter *iter, void *user_data)
1772 {
1773         const char *str = NULL;
1774         int i;
1775
1776         dbus_message_iter_get_basic(iter, &str);
1777         if (str == NULL)
1778                 return;
1779
1780         for (i = 0; eap_method_map[i].str != NULL; i++)
1781                 if (strcmp(str, eap_method_map[i].str) == 0) {
1782                         eap_methods |= eap_method_map[i].val;
1783                         break;
1784                 }
1785 }
1786
1787 static void service_property(const char *key, DBusMessageIter *iter,
1788                                                         void *user_data)
1789 {
1790         if (key == NULL) {
1791                 callback_system_ready();
1792                 return;
1793         }
1794
1795         if (g_strcmp0(key, "DebugLevel") == 0) {
1796                 const char *str = NULL;
1797                 int i;
1798
1799                 dbus_message_iter_get_basic(iter, &str);
1800                 for (i = 0; debug_strings[i] != NULL; i++)
1801                         if (g_strcmp0(debug_strings[i], str) == 0) {
1802                                 debug_level = i;
1803                                 break;
1804                         }
1805                 SUPPLICANT_DBG("Debug level %d", debug_level);
1806         } else if (g_strcmp0(key, "DebugTimestamp") == 0) {
1807                 dbus_message_iter_get_basic(iter, &debug_timestamp);
1808                 SUPPLICANT_DBG("Debug timestamp %u", debug_timestamp);
1809         } else if (g_strcmp0(key, "DebugShowKeys") == 0) {
1810                 dbus_message_iter_get_basic(iter, &debug_showkeys);
1811                 SUPPLICANT_DBG("Debug show keys %u", debug_showkeys);
1812         } else if (g_strcmp0(key, "Interfaces") == 0) {
1813                 supplicant_dbus_array_foreach(iter, interface_added, NULL);
1814         } else if (g_strcmp0(key, "EapMethods") == 0) {
1815                 supplicant_dbus_array_foreach(iter, eap_method, NULL);
1816                 debug_strvalmap("EAP method", eap_method_map, eap_methods);
1817         } else if (g_strcmp0(key, "Country") == 0) {
1818                 const char *country = NULL;
1819
1820                 dbus_message_iter_get_basic(iter, &country);
1821                 SUPPLICANT_DBG("Country %s", country);
1822         } else
1823                 SUPPLICANT_DBG("key %s type %c",
1824                                 key, dbus_message_iter_get_arg_type(iter));
1825 }
1826
1827 static void signal_name_owner_changed(const char *path, DBusMessageIter *iter)
1828 {
1829         const char *name = NULL, *old = NULL, *new = NULL;
1830
1831         SUPPLICANT_DBG("");
1832
1833         if (g_strcmp0(path, DBUS_PATH_DBUS) != 0)
1834                 return;
1835
1836         dbus_message_iter_get_basic(iter, &name);
1837         if (name == NULL)
1838                 return;
1839
1840         if (g_strcmp0(name, SUPPLICANT_SERVICE) != 0)
1841                 return;
1842
1843         dbus_message_iter_next(iter);
1844         dbus_message_iter_get_basic(iter, &old);
1845         dbus_message_iter_next(iter);
1846         dbus_message_iter_get_basic(iter, &new);
1847
1848         if (old == NULL || new == NULL)
1849                 return;
1850
1851         if (strlen(old) > 0 && strlen(new) == 0) {
1852                 system_available = FALSE;
1853                 g_hash_table_remove_all(bss_mapping);
1854                 g_hash_table_remove_all(interface_table);
1855                 callback_system_killed();
1856         }
1857
1858         if (strlen(new) > 0 && strlen(old) == 0) {
1859                 system_available = TRUE;
1860                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
1861                                                         SUPPLICANT_INTERFACE,
1862                                                         service_property, NULL);
1863         }
1864 }
1865
1866 static void signal_properties_changed(const char *path, DBusMessageIter *iter)
1867 {
1868         SUPPLICANT_DBG("");
1869
1870         if (g_strcmp0(path, SUPPLICANT_PATH) != 0)
1871                 return;
1872
1873         supplicant_dbus_property_foreach(iter, service_property, NULL);
1874 }
1875
1876 static void signal_interface_added(const char *path, DBusMessageIter *iter)
1877 {
1878         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
1879
1880         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
1881                 interface_added(iter, NULL);
1882 }
1883
1884 static void signal_interface_removed(const char *path, DBusMessageIter *iter)
1885 {
1886         SUPPLICANT_DBG("");
1887
1888         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
1889                 interface_removed(iter, NULL);
1890 }
1891
1892 static void signal_interface_changed(const char *path, DBusMessageIter *iter)
1893 {
1894         GSupplicantInterface *interface;
1895
1896         SUPPLICANT_DBG("");
1897
1898         interface = g_hash_table_lookup(interface_table, path);
1899         if (interface == NULL)
1900                 return;
1901
1902         supplicant_dbus_property_foreach(iter, interface_property, interface);
1903 }
1904
1905 static void signal_scan_done(const char *path, DBusMessageIter *iter)
1906 {
1907         GSupplicantInterface *interface;
1908         dbus_bool_t success = FALSE;
1909
1910         SUPPLICANT_DBG("");
1911
1912         interface = g_hash_table_lookup(interface_table, path);
1913         if (interface == NULL)
1914                 return;
1915
1916         dbus_message_iter_get_basic(iter, &success);
1917
1918         /*
1919          * If scan is unsuccessful return -EIO else get the scanned BSSs
1920          * and update the network details accordingly
1921          */
1922         if (success == FALSE) {
1923                 if (interface->scan_callback != NULL)
1924                         interface->scan_callback(-EIO, interface,
1925                                                 interface->scan_data);
1926
1927                 interface->scan_callback = NULL;
1928                 interface->scan_data = NULL;
1929
1930                 return;
1931         }
1932
1933         supplicant_dbus_property_get(path, SUPPLICANT_INTERFACE ".Interface",
1934                                         "BSSs", scan_bss_data, interface);
1935 }
1936
1937 static void signal_bss_added(const char *path, DBusMessageIter *iter)
1938 {
1939         GSupplicantInterface *interface;
1940
1941         SUPPLICANT_DBG("");
1942
1943         interface = g_hash_table_lookup(interface_table, path);
1944         if (interface == NULL)
1945                 return;
1946
1947         interface_bss_added_with_keys(iter, interface);
1948 }
1949
1950 static void signal_bss_removed(const char *path, DBusMessageIter *iter)
1951 {
1952         GSupplicantInterface *interface;
1953
1954         SUPPLICANT_DBG("");
1955
1956         interface = g_hash_table_lookup(interface_table, path);
1957         if (interface == NULL)
1958                 return;
1959
1960         interface_bss_removed(iter, interface);
1961 }
1962
1963 static void signal_network_added(const char *path, DBusMessageIter *iter)
1964 {
1965         GSupplicantInterface *interface;
1966
1967         SUPPLICANT_DBG("");
1968
1969         interface = g_hash_table_lookup(interface_table, path);
1970         if (interface == NULL)
1971                 return;
1972
1973         interface_network_added(iter, interface);
1974 }
1975
1976 static void signal_network_removed(const char *path, DBusMessageIter *iter)
1977 {
1978         GSupplicantInterface *interface;
1979
1980         SUPPLICANT_DBG("");
1981
1982         interface = g_hash_table_lookup(interface_table, path);
1983         if (interface == NULL)
1984                 return;
1985
1986         interface_network_removed(iter, interface);
1987 }
1988
1989 static void signal_bss_changed(const char *path, DBusMessageIter *iter)
1990 {
1991         GSupplicantInterface *interface;
1992         GSupplicantNetwork *network;
1993         struct g_supplicant_bss *bss;
1994
1995         SUPPLICANT_DBG("");
1996
1997         interface = g_hash_table_lookup(bss_mapping, path);
1998         if (interface == NULL)
1999                 return;
2000
2001         network = g_hash_table_lookup(interface->bss_mapping, path);
2002         if (network == NULL)
2003                 return;
2004
2005         bss = g_hash_table_lookup(network->bss_table, path);
2006         if (bss == NULL)
2007                 return;
2008
2009         supplicant_dbus_property_foreach(iter, bss_property, bss);
2010
2011         bss_compute_security(bss);
2012
2013         if (bss->security != network->security) {
2014                 struct g_supplicant_bss *new_bss;
2015
2016                 SUPPLICANT_DBG("New network security for %s", bss->ssid);
2017
2018                 /* Security change policy:
2019                  * - we first copy the current bss into a new one with
2020                  * its own pointer (path)
2021                  * - we remove the current bss related network which will
2022                  * tell the plugin about such removal. This is done due
2023                  * to the fact that a security change means a group change
2024                  * so a complete network change.
2025                  * (current bss becomes invalid as well)
2026                  * - we add the new bss: it adds new network and tell the
2027                  * plugin about it. */
2028
2029                 new_bss = g_try_new0(struct g_supplicant_bss, 1);
2030                 if (new_bss == NULL)
2031                         return;
2032
2033                 memcpy(new_bss, bss, sizeof(struct g_supplicant_bss));
2034                 new_bss->path = g_strdup(bss->path);
2035
2036                 g_hash_table_remove(interface->network_table, network->group);
2037
2038                 add_bss_to_network(new_bss);
2039
2040                 return;
2041         }
2042
2043         if (bss->signal == network->signal)
2044                 return;
2045
2046         /*
2047          * If the new signal is lower than the SSID signal, we need
2048          * to check for the new maximum.
2049          */
2050         if (bss->signal < network->signal) {
2051                 if (bss != network->best_bss)
2052                         return;
2053                 network->signal = bss->signal;
2054                 update_network_signal(network);
2055         } else {
2056                 network->signal = bss->signal;
2057                 network->best_bss = bss;
2058         }
2059
2060         SUPPLICANT_DBG("New network signal for %s %d dBm", network->ssid, network->signal);
2061
2062         callback_network_changed(network, "Signal");
2063 }
2064
2065 static void wps_credentials(const char *key, DBusMessageIter *iter,
2066                         void *user_data)
2067 {
2068         GSupplicantInterface *interface = user_data;
2069
2070         if (key == NULL)
2071                 return;
2072
2073         SUPPLICANT_DBG("key %s", key);
2074
2075         if (g_strcmp0(key, "Key") == 0) {
2076                 DBusMessageIter array;
2077                 unsigned char *key;
2078                 int key_len;
2079
2080                 dbus_message_iter_recurse(iter, &array);
2081                 dbus_message_iter_get_fixed_array(&array, &key, &key_len);
2082
2083                 g_free(interface->wps_cred.key);
2084                 interface->wps_cred.key = g_try_malloc0(
2085                                                 sizeof(char) * key_len+1);
2086
2087                 if (interface->wps_cred.key == NULL)
2088                         return;
2089
2090                 memcpy(interface->wps_cred.key, key, sizeof(char) * key_len);
2091
2092                 SUPPLICANT_DBG("WPS key present");
2093         } else if (g_strcmp0(key, "SSID") == 0) {
2094                 DBusMessageIter array;
2095                 unsigned char *ssid;
2096                 int ssid_len;
2097
2098                 dbus_message_iter_recurse(iter, &array);
2099                 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
2100
2101                 if (ssid_len > 0 && ssid_len < 33) {
2102                         memcpy(interface->wps_cred.ssid, ssid, ssid_len);
2103                         interface->wps_cred.ssid_len = ssid_len;
2104                 } else {
2105                         memset(interface->wps_cred.ssid, 0, 32);
2106                         interface->wps_cred.ssid_len = 0;
2107                 }
2108         }
2109 }
2110
2111 static void signal_wps_credentials(const char *path, DBusMessageIter *iter)
2112 {
2113         GSupplicantInterface *interface;
2114
2115         SUPPLICANT_DBG("");
2116
2117         interface = g_hash_table_lookup(interface_table, path);
2118         if (interface == NULL)
2119                 return;
2120
2121         supplicant_dbus_property_foreach(iter, wps_credentials, interface);
2122 }
2123
2124 static void wps_event_args(const char *key, DBusMessageIter *iter,
2125                         void *user_data)
2126 {
2127         GSupplicantInterface *interface = user_data;
2128
2129         if (key == NULL || interface == NULL)
2130                 return;
2131
2132         SUPPLICANT_DBG("Arg Key %s", key);
2133 }
2134
2135 static void signal_wps_event(const char *path, DBusMessageIter *iter)
2136 {
2137         GSupplicantInterface *interface;
2138         const char *name = NULL;
2139
2140         SUPPLICANT_DBG("");
2141
2142         interface = g_hash_table_lookup(interface_table, path);
2143         if (interface == NULL)
2144                 return;
2145
2146         dbus_message_iter_get_basic(iter, &name);
2147
2148         SUPPLICANT_DBG("Name: %s", name);
2149
2150         if (g_strcmp0(name, "success") == 0)
2151                 interface->wps_state = G_SUPPLICANT_WPS_STATE_SUCCESS;
2152         else if (g_strcmp0(name, "failed") == 0)
2153                 interface->wps_state = G_SUPPLICANT_WPS_STATE_FAIL;
2154         else
2155                 interface->wps_state = G_SUPPLICANT_WPS_STATE_UNKNOWN;
2156
2157         if (!dbus_message_iter_has_next(iter))
2158                 return;
2159
2160         dbus_message_iter_next(iter);
2161
2162         supplicant_dbus_property_foreach(iter, wps_event_args, interface);
2163 }
2164
2165 static struct {
2166         const char *interface;
2167         const char *member;
2168         void (*function) (const char *path, DBusMessageIter *iter);
2169 } signal_map[] = {
2170         { DBUS_INTERFACE_DBUS,  "NameOwnerChanged",  signal_name_owner_changed },
2171
2172         { SUPPLICANT_INTERFACE, "PropertiesChanged", signal_properties_changed },
2173         { SUPPLICANT_INTERFACE, "InterfaceAdded",    signal_interface_added    },
2174         { SUPPLICANT_INTERFACE, "InterfaceCreated",  signal_interface_added    },
2175         { SUPPLICANT_INTERFACE, "InterfaceRemoved",  signal_interface_removed  },
2176
2177         { SUPPLICANT_INTERFACE ".Interface", "PropertiesChanged", signal_interface_changed },
2178         { SUPPLICANT_INTERFACE ".Interface", "ScanDone",          signal_scan_done         },
2179         { SUPPLICANT_INTERFACE ".Interface", "BSSAdded",          signal_bss_added         },
2180         { SUPPLICANT_INTERFACE ".Interface", "BSSRemoved",        signal_bss_removed       },
2181         { SUPPLICANT_INTERFACE ".Interface", "NetworkAdded",      signal_network_added     },
2182         { SUPPLICANT_INTERFACE ".Interface", "NetworkRemoved",    signal_network_removed   },
2183
2184         { SUPPLICANT_INTERFACE ".BSS", "PropertiesChanged", signal_bss_changed   },
2185
2186         { SUPPLICANT_INTERFACE ".Interface.WPS", "Credentials", signal_wps_credentials },
2187         { SUPPLICANT_INTERFACE ".Interface.WPS", "Event",       signal_wps_event       },
2188
2189         { }
2190 };
2191
2192 static DBusHandlerResult g_supplicant_filter(DBusConnection *conn,
2193                                         DBusMessage *message, void *data)
2194 {
2195         DBusMessageIter iter;
2196         const char *path;
2197         int i;
2198
2199         path = dbus_message_get_path(message);
2200         if (path == NULL)
2201                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2202
2203         if (dbus_message_iter_init(message, &iter) == FALSE)
2204                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2205
2206         for (i = 0; signal_map[i].interface != NULL; i++) {
2207                 if (dbus_message_has_interface(message,
2208                                         signal_map[i].interface) == FALSE)
2209                         continue;
2210
2211                 if (dbus_message_has_member(message,
2212                                         signal_map[i].member) == FALSE)
2213                         continue;
2214
2215                 signal_map[i].function(path, &iter);
2216                 break;
2217         }
2218
2219         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2220 }
2221
2222 struct supplicant_regdom {
2223         GSupplicantCountryCallback callback;
2224         const void *user_data;
2225 };
2226
2227 static void country_result(const char *error,
2228                                 DBusMessageIter *iter, void *user_data)
2229 {
2230         struct supplicant_regdom *regdom = user_data;
2231         char *alpha2;
2232
2233         SUPPLICANT_DBG("Country setting result");
2234
2235         if (user_data == NULL)
2236                 return;
2237
2238         if (error == NULL) {
2239                 alpha2 = (char *)regdom->user_data;
2240         } else {
2241                 SUPPLICANT_DBG("Country setting failure %s", error);
2242                 alpha2 = NULL;
2243         }
2244
2245         if (regdom->callback)
2246                 regdom->callback(alpha2);
2247
2248         g_free(regdom);
2249 }
2250
2251 static void country_params(DBusMessageIter *iter, void *user_data)
2252 {
2253         struct supplicant_regdom *regdom = user_data;
2254         const char *country;
2255
2256         country = regdom->user_data;
2257
2258         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &country);
2259 }
2260
2261 int g_supplicant_set_country(const char *alpha2,
2262                                 GSupplicantCountryCallback callback,
2263                                         const void *user_data)
2264 {
2265         struct supplicant_regdom *regdom;
2266
2267         SUPPLICANT_DBG("Country setting %s", alpha2);
2268
2269         if (system_available == FALSE)
2270                 return -EFAULT;
2271
2272         regdom = dbus_malloc0(sizeof(*regdom));
2273         if (regdom == NULL)
2274                 return -ENOMEM;
2275
2276         regdom->callback = callback;
2277         regdom->user_data = user_data;
2278
2279         return supplicant_dbus_property_set(SUPPLICANT_PATH, SUPPLICANT_INTERFACE,
2280                                         "Country", DBUS_TYPE_STRING_AS_STRING,
2281                                         country_params, country_result,
2282                                                 regdom);
2283 }
2284
2285 struct interface_data {
2286         GSupplicantInterface *interface;
2287         GSupplicantInterfaceCallback callback;
2288         void *user_data;
2289 };
2290
2291 struct interface_create_data {
2292         const char *ifname;
2293         const char *driver;
2294         const char *bridge;
2295         GSupplicantInterface *interface;
2296         GSupplicantInterfaceCallback callback;
2297         void *user_data;
2298 };
2299
2300 struct interface_connect_data {
2301         GSupplicantInterface *interface;
2302         GSupplicantInterfaceCallback callback;
2303         GSupplicantSSID *ssid;
2304         void *user_data;
2305 };
2306
2307 struct interface_scan_data {
2308         GSupplicantInterface *interface;
2309         GSupplicantInterfaceCallback callback;
2310         GSupplicantScanParams *scan_params;
2311         void *user_data;
2312 };
2313
2314 static void interface_create_property(const char *key, DBusMessageIter *iter,
2315                                                         void *user_data)
2316 {
2317         struct interface_create_data *data = user_data;
2318         GSupplicantInterface *interface = data->interface;
2319
2320         if (key == NULL) {
2321                 if (data->callback != NULL)
2322                         data->callback(0, data->interface, data->user_data);
2323
2324                 dbus_free(data);
2325         }
2326
2327         interface_property(key, iter, interface);
2328 }
2329
2330 static void interface_create_result(const char *error,
2331                                 DBusMessageIter *iter, void *user_data)
2332 {
2333         struct interface_create_data *data = user_data;
2334         const char *path = NULL;
2335         int err;
2336
2337         SUPPLICANT_DBG("");
2338
2339         if (error != NULL) {
2340                 g_critical("error %s", error);
2341                 err = -EIO;
2342                 goto done;
2343         }
2344
2345         dbus_message_iter_get_basic(iter, &path);
2346         if (path == NULL) {
2347                 err = -EINVAL;
2348                 goto done;
2349         }
2350
2351         if (system_available == FALSE) {
2352                 err = -EFAULT;
2353                 goto done;
2354         }
2355
2356         data->interface = g_hash_table_lookup(interface_table, path);
2357         if (data->interface == NULL) {
2358                 data->interface = interface_alloc(path);
2359                 if (data->interface == NULL) {
2360                         err = -ENOMEM;
2361                         goto done;
2362                 }
2363         }
2364
2365         err = supplicant_dbus_property_get_all(path,
2366                                         SUPPLICANT_INTERFACE ".Interface",
2367                                         interface_create_property, data);
2368         if (err == 0)
2369                 return;
2370
2371 done:
2372         if (data->callback != NULL)
2373                 data->callback(err, NULL, data->user_data);
2374
2375         dbus_free(data);
2376 }
2377
2378 static void interface_create_params(DBusMessageIter *iter, void *user_data)
2379 {
2380         struct interface_create_data *data = user_data;
2381         DBusMessageIter dict;
2382
2383         SUPPLICANT_DBG("");
2384
2385         supplicant_dbus_dict_open(iter, &dict);
2386
2387         supplicant_dbus_dict_append_basic(&dict, "Ifname",
2388                                         DBUS_TYPE_STRING, &data->ifname);
2389
2390         if (data->driver != NULL)
2391                 supplicant_dbus_dict_append_basic(&dict, "Driver",
2392                                         DBUS_TYPE_STRING, &data->driver);
2393
2394         if (data->bridge != NULL)
2395                 supplicant_dbus_dict_append_basic(&dict, "BridgeIfname",
2396                                         DBUS_TYPE_STRING, &data->bridge);
2397
2398         supplicant_dbus_dict_close(iter, &dict);
2399 }
2400
2401 static void interface_get_result(const char *error,
2402                                 DBusMessageIter *iter, void *user_data)
2403 {
2404         struct interface_create_data *data = user_data;
2405         GSupplicantInterface *interface;
2406         const char *path = NULL;
2407         int err;
2408
2409         SUPPLICANT_DBG("");
2410
2411         if (error != NULL) {
2412                 SUPPLICANT_DBG("Interface not created yet");
2413                 err = -EIO;
2414                 goto create;
2415         }
2416
2417         dbus_message_iter_get_basic(iter, &path);
2418         if (path == NULL) {
2419                 err = -EINVAL;
2420                 goto done;
2421         }
2422
2423         interface = g_hash_table_lookup(interface_table, path);
2424         if (interface == NULL) {
2425                 err = -ENOENT;
2426                 goto done;
2427         }
2428
2429         if (data->callback != NULL)
2430                 data->callback(0, interface, data->user_data);
2431
2432         dbus_free(data);
2433
2434         return;
2435
2436 create:
2437         if (system_available == FALSE) {
2438                 err = -EFAULT;
2439                 goto done;
2440         }
2441
2442         SUPPLICANT_DBG("Creating interface");
2443
2444         err = supplicant_dbus_method_call(SUPPLICANT_PATH,
2445                                                 SUPPLICANT_INTERFACE,
2446                                                 "CreateInterface",
2447                                                 interface_create_params,
2448                                                 interface_create_result, data);
2449         if (err == 0)
2450                 return;
2451
2452 done:
2453         if (data->callback != NULL)
2454                 data->callback(err, NULL, data->user_data);
2455
2456         dbus_free(data);
2457 }
2458
2459 static void interface_get_params(DBusMessageIter *iter, void *user_data)
2460 {
2461         struct interface_create_data *data = user_data;
2462
2463         SUPPLICANT_DBG("");
2464
2465         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &data->ifname);
2466 }
2467
2468 int g_supplicant_interface_create(const char *ifname, const char *driver,
2469                                         const char *bridge,
2470                                         GSupplicantInterfaceCallback callback,
2471                                                         void *user_data)
2472 {
2473         struct interface_create_data *data;
2474
2475         SUPPLICANT_DBG("ifname %s", ifname);
2476
2477         if (ifname == NULL)
2478                 return -EINVAL;
2479
2480         if (system_available == FALSE)
2481                 return -EFAULT;
2482
2483         data = dbus_malloc0(sizeof(*data));
2484         if (data == NULL)
2485                 return -ENOMEM;
2486
2487         data->ifname = ifname;
2488         data->driver = driver;
2489         data->bridge = bridge;
2490         data->callback = callback;
2491         data->user_data = user_data;
2492
2493         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2494                                                 SUPPLICANT_INTERFACE,
2495                                                 "GetInterface",
2496                                                 interface_get_params,
2497                                                 interface_get_result, data);
2498 }
2499
2500 static void interface_remove_result(const char *error,
2501                                 DBusMessageIter *iter, void *user_data)
2502 {
2503         struct interface_data *data = user_data;
2504         int err;
2505
2506         if (error != NULL) {
2507                 err = -EIO;
2508                 goto done;
2509         }
2510
2511         if (system_available == FALSE) {
2512                 err = -EFAULT;
2513                 goto done;
2514         }
2515
2516         /*
2517          * The gsupplicant interface is already freed by the InterfaceRemoved
2518          * signal callback. Simply invoke the interface_data callback.
2519          */
2520         err = 0;
2521
2522 done:
2523         if (data->callback != NULL)
2524                 data->callback(err, NULL, data->user_data);
2525
2526         dbus_free(data);
2527 }
2528
2529
2530 static void interface_remove_params(DBusMessageIter *iter, void *user_data)
2531 {
2532         struct interface_data *data = user_data;
2533
2534         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
2535                                                         &data->interface->path);
2536 }
2537
2538
2539 int g_supplicant_interface_remove(GSupplicantInterface *interface,
2540                         GSupplicantInterfaceCallback callback,
2541                                                         void *user_data)
2542 {
2543         struct interface_data *data;
2544
2545         if (interface == NULL)
2546                 return -EINVAL;
2547
2548         if (system_available == FALSE)
2549                 return -EFAULT;
2550
2551         data = dbus_malloc0(sizeof(*data));
2552         if (data == NULL)
2553                 return -ENOMEM;
2554
2555         data->interface = interface;
2556         data->callback = callback;
2557         data->user_data = user_data;
2558
2559         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2560                                                 SUPPLICANT_INTERFACE,
2561                                                 "RemoveInterface",
2562                                                 interface_remove_params,
2563                                                 interface_remove_result, data);
2564 }
2565
2566 static void interface_scan_result(const char *error,
2567                                 DBusMessageIter *iter, void *user_data)
2568 {
2569         struct interface_scan_data *data = user_data;
2570
2571         if (error != NULL) {
2572                 SUPPLICANT_DBG("error %s", error);
2573
2574                 if (data->callback != NULL)
2575                         data->callback(-EIO, data->interface, data->user_data);
2576         } else {
2577                 data->interface->scan_callback = data->callback;
2578                 data->interface->scan_data = data->user_data;
2579         }
2580
2581         if (data != NULL && data->scan_params != NULL)
2582                 g_free(data->scan_params);
2583
2584         dbus_free(data);
2585 }
2586
2587 static void add_scan_frequency(DBusMessageIter *iter, unsigned int freq)
2588 {
2589         DBusMessageIter data;
2590         unsigned int width = 0; /* Not used by wpa_supplicant atm */
2591
2592         dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &data);
2593
2594         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &freq);
2595         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &width);
2596
2597         dbus_message_iter_close_container(iter, &data);
2598 }
2599
2600 static void add_scan_frequencies(DBusMessageIter *iter,
2601                                                 void *user_data)
2602 {
2603         GSupplicantScanParams *scan_data = user_data;
2604         unsigned int freq;
2605         int i;
2606
2607         for (i = 0; i < G_SUPPLICANT_MAX_FAST_SCAN; i++) {
2608                 freq = scan_data->freqs[i];
2609                 if (!freq)
2610                         break;
2611
2612                 add_scan_frequency(iter, freq);
2613         }
2614 }
2615
2616 static void append_ssid(DBusMessageIter *iter,
2617                         const void *ssid, unsigned int len)
2618 {
2619         DBusMessageIter array;
2620
2621         dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
2622         DBUS_TYPE_BYTE_AS_STRING, &array);
2623
2624         dbus_message_iter_append_fixed_array(&array, DBUS_TYPE_BYTE,
2625                                                                 &ssid, len);
2626         dbus_message_iter_close_container(iter, &array);
2627 }
2628
2629 static void append_ssids(DBusMessageIter *iter, void *user_data)
2630 {
2631         GSupplicantScanParams *scan_data = user_data;
2632         int i;
2633
2634         for (i = 0; i < scan_data->num_ssids; i++)
2635                 append_ssid(iter, scan_data->ssids[i].ssid,
2636                                         scan_data->ssids[i].ssid_len);
2637 }
2638
2639 static void supplicant_add_scan_frequency(DBusMessageIter *dict,
2640                 supplicant_dbus_array_function function,
2641                                         void *user_data)
2642 {
2643         GSupplicantScanParams *scan_params = user_data;
2644         DBusMessageIter entry, value, array;
2645         const char *key = "Channels";
2646
2647         if (scan_params->freqs[0] != 0) {
2648                 dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
2649                                                 NULL, &entry);
2650
2651                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
2652
2653                 dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
2654                                         DBUS_TYPE_ARRAY_AS_STRING
2655                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2656                                         DBUS_TYPE_UINT32_AS_STRING
2657                                         DBUS_TYPE_UINT32_AS_STRING
2658                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2659                                         &value);
2660
2661                 dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
2662                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2663                                         DBUS_TYPE_UINT32_AS_STRING
2664                                         DBUS_TYPE_UINT32_AS_STRING
2665                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2666                                         &array);
2667
2668                 if (function)
2669                         function(&array, user_data);
2670
2671                 dbus_message_iter_close_container(&value, &array);
2672                 dbus_message_iter_close_container(&entry, &value);
2673                 dbus_message_iter_close_container(dict, &entry);
2674         }
2675 }
2676
2677 static void interface_scan_params(DBusMessageIter *iter, void *user_data)
2678 {
2679         DBusMessageIter dict;
2680         const char *type = "passive";
2681         struct interface_scan_data *data = user_data;
2682
2683         supplicant_dbus_dict_open(iter, &dict);
2684
2685         if (data && data->scan_params) {
2686                 type = "active";
2687
2688                 supplicant_dbus_dict_append_basic(&dict, "Type",
2689                                         DBUS_TYPE_STRING, &type);
2690
2691                 supplicant_dbus_dict_append_array(&dict, "SSIDs",
2692                                                 DBUS_TYPE_STRING,
2693                                                 append_ssids,
2694                                                 data->scan_params);
2695
2696                 supplicant_add_scan_frequency(&dict, add_scan_frequencies,
2697                                                 data->scan_params);
2698         } else
2699                 supplicant_dbus_dict_append_basic(&dict, "Type",
2700                                         DBUS_TYPE_STRING, &type);
2701
2702         supplicant_dbus_dict_close(iter, &dict);
2703 }
2704
2705 int g_supplicant_interface_scan(GSupplicantInterface *interface,
2706                                 GSupplicantScanParams *scan_data,
2707                                 GSupplicantInterfaceCallback callback,
2708                                                         void *user_data)
2709 {
2710         struct interface_scan_data *data;
2711         int ret;
2712
2713         if (interface == NULL)
2714                 return -EINVAL;
2715
2716         if (system_available == FALSE)
2717                 return -EFAULT;
2718
2719         if (interface->scanning == TRUE)
2720                 return -EALREADY;
2721
2722         switch (interface->state) {
2723         case G_SUPPLICANT_STATE_AUTHENTICATING:
2724         case G_SUPPLICANT_STATE_ASSOCIATING:
2725         case G_SUPPLICANT_STATE_ASSOCIATED:
2726         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2727         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2728                 return -EBUSY;
2729         case G_SUPPLICANT_STATE_UNKNOWN:
2730         case G_SUPPLICANT_STATE_DISCONNECTED:
2731         case G_SUPPLICANT_STATE_INACTIVE:
2732         case G_SUPPLICANT_STATE_SCANNING:
2733         case G_SUPPLICANT_STATE_COMPLETED:
2734                 break;
2735         }
2736
2737         data = dbus_malloc0(sizeof(*data));
2738         if (data == NULL)
2739                 return -ENOMEM;
2740
2741         data->interface = interface;
2742         data->callback = callback;
2743         data->user_data = user_data;
2744         data->scan_params = scan_data;
2745
2746         ret = supplicant_dbus_method_call(interface->path,
2747                         SUPPLICANT_INTERFACE ".Interface", "Scan",
2748                         interface_scan_params, interface_scan_result, data);
2749
2750         if (ret < 0)
2751                 dbus_free(data);
2752
2753         return ret;
2754 }
2755
2756 static int parse_supplicant_error(DBusMessageIter *iter)
2757 {
2758         int err = -ECANCELED;
2759         char *key;
2760
2761         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
2762                 dbus_message_iter_get_basic(iter, &key);
2763                 if (strncmp(key, "psk", 4) == 0 ||
2764                         strncmp(key, "wep_key", 7) == 0) {
2765                         err = -ENOKEY;
2766                         break;
2767                 }
2768                 dbus_message_iter_next(iter);
2769         }
2770
2771         return err;
2772 }
2773
2774 static void interface_select_network_result(const char *error,
2775                                 DBusMessageIter *iter, void *user_data)
2776 {
2777         struct interface_connect_data *data = user_data;
2778         int err;
2779
2780         SUPPLICANT_DBG("");
2781
2782         err = 0;
2783         if (error != NULL) {
2784                 SUPPLICANT_DBG("SelectNetwork error %s", error);
2785                 err = parse_supplicant_error(iter);
2786         }
2787
2788         if (data->callback != NULL)
2789                 data->callback(err, data->interface, data->user_data);
2790
2791         g_free(data->ssid);
2792         dbus_free(data);
2793 }
2794
2795 static void interface_select_network_params(DBusMessageIter *iter,
2796                                                         void *user_data)
2797 {
2798         struct interface_connect_data *data = user_data;
2799         GSupplicantInterface *interface = data->interface;
2800
2801         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
2802                                         &interface->network_path);
2803 }
2804
2805 static void interface_add_network_result(const char *error,
2806                                 DBusMessageIter *iter, void *user_data)
2807 {
2808         struct interface_connect_data *data = user_data;
2809         GSupplicantInterface *interface = data->interface;
2810         const char *path;
2811         int err;
2812
2813         if (error != NULL)
2814                 goto error;
2815
2816         dbus_message_iter_get_basic(iter, &path);
2817         if (path == NULL)
2818                 goto error;
2819
2820         SUPPLICANT_DBG("PATH: %s", path);
2821
2822         g_free(interface->network_path);
2823         interface->network_path = g_strdup(path);
2824
2825         supplicant_dbus_method_call(data->interface->path,
2826                         SUPPLICANT_INTERFACE ".Interface", "SelectNetwork",
2827                         interface_select_network_params,
2828                         interface_select_network_result, data);
2829
2830         return;
2831
2832 error:
2833         SUPPLICANT_DBG("AddNetwork error %s", error);
2834         err = parse_supplicant_error(iter);
2835         if (data->callback != NULL)
2836                 data->callback(err, data->interface, data->user_data);
2837
2838         g_free(interface->network_path);
2839         interface->network_path = NULL;
2840         g_free(data->ssid);
2841         g_free(data);
2842 }
2843
2844 static void add_network_security_wep(DBusMessageIter *dict,
2845                                         GSupplicantSSID *ssid)
2846 {
2847         const char *auth_alg = "OPEN SHARED";
2848         const char *key_index = "0";
2849
2850         supplicant_dbus_dict_append_basic(dict, "auth_alg",
2851                                         DBUS_TYPE_STRING, &auth_alg);
2852
2853         if (ssid->passphrase) {
2854                 int size = strlen(ssid->passphrase);
2855                 if (size == 10 || size == 26) {
2856                         unsigned char *key = g_try_malloc(13);
2857                         char tmp[3];
2858                         int i;
2859
2860                         memset(tmp, 0, sizeof(tmp));
2861                         if (key == NULL)
2862                                 size = 0;
2863
2864                         for (i = 0; i < size / 2; i++) {
2865                                 memcpy(tmp, ssid->passphrase + (i * 2), 2);
2866                                 key[i] = (unsigned char) strtol(tmp, NULL, 16);
2867                         }
2868
2869                         supplicant_dbus_dict_append_fixed_array(dict,
2870                                                         "wep_key0",
2871                                                         DBUS_TYPE_BYTE,
2872                                                         &key, size / 2);
2873                         g_free(key);
2874                 } else if (size == 5 || size == 13) {
2875                         unsigned char *key = g_try_malloc(13);
2876                         int i;
2877
2878                         if (key == NULL)
2879                                 size = 0;
2880
2881                         for (i = 0; i < size; i++)
2882                                 key[i] = (unsigned char) ssid->passphrase[i];
2883
2884                         supplicant_dbus_dict_append_fixed_array(dict,
2885                                                                 "wep_key0",
2886                                                                 DBUS_TYPE_BYTE,
2887                                                                 &key, size);
2888                         g_free(key);
2889                 } else
2890                         supplicant_dbus_dict_append_basic(dict,
2891                                                         "wep_key0",
2892                                                         DBUS_TYPE_STRING,
2893                                                         &ssid->passphrase);
2894
2895                 supplicant_dbus_dict_append_basic(dict, "wep_tx_keyidx",
2896                                         DBUS_TYPE_STRING, &key_index);
2897         }
2898 }
2899
2900 static dbus_bool_t is_psk_raw_key(const char *psk)
2901 {
2902         int i;
2903
2904         /* A raw key is always 64 bytes length... */
2905         if (strlen(psk) != 64)
2906                 return FALSE;
2907
2908         /* ... and its content is in hex representation */
2909         for (i = 0; i < 64; i++)
2910                 if (!isxdigit((unsigned char) psk[i]))
2911                         return FALSE;
2912
2913         return TRUE;
2914 }
2915
2916 static void add_network_security_psk(DBusMessageIter *dict,
2917                                         GSupplicantSSID *ssid)
2918 {
2919         if (ssid->passphrase && strlen(ssid->passphrase) > 0) {
2920
2921                 if (is_psk_raw_key(ssid->passphrase) == TRUE)
2922                         supplicant_dbus_property_append_fixed_array(dict,
2923                                                         "psk", DBUS_TYPE_BYTE,
2924                                                         &ssid->passphrase, 64);
2925                 else
2926                         supplicant_dbus_dict_append_basic(dict, "psk",
2927                                                         DBUS_TYPE_STRING,
2928                                                         &ssid->passphrase);
2929         }
2930 }
2931
2932 static void add_network_security_tls(DBusMessageIter *dict,
2933                                         GSupplicantSSID *ssid)
2934 {
2935         /*
2936          * For TLS, we at least need:
2937          *              The client certificate
2938          *              The client private key file
2939          *              The client private key file password
2940          *
2941          * The Authority certificate is optional.
2942          */
2943         if (ssid->client_cert_path == NULL)
2944                 return;
2945
2946         if (ssid->private_key_path == NULL)
2947                 return;
2948
2949         if (ssid->private_key_passphrase == NULL)
2950                 return;
2951
2952         if (ssid->ca_cert_path)
2953                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
2954                                         DBUS_TYPE_STRING, &ssid->ca_cert_path);
2955
2956         supplicant_dbus_dict_append_basic(dict, "private_key",
2957                                                 DBUS_TYPE_STRING,
2958                                                 &ssid->private_key_path);
2959         supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
2960                                                 DBUS_TYPE_STRING,
2961                                                 &ssid->private_key_passphrase);
2962         supplicant_dbus_dict_append_basic(dict, "client_cert",
2963                                                 DBUS_TYPE_STRING,
2964                                                 &ssid->client_cert_path);
2965 }
2966
2967 static void add_network_security_peap(DBusMessageIter *dict,
2968                                         GSupplicantSSID *ssid)
2969 {
2970         char *phase2_auth;
2971
2972         /*
2973          * For PEAP/TTLS, we at least need
2974          *              The authority certificate
2975          *              The 2nd phase authentication method
2976          *              The 2nd phase passphrase
2977          *
2978          * The Client certificate is optional although strongly recommended
2979          * When setting it, we need in addition
2980          *              The Client private key file
2981          *              The Client private key file password
2982          */
2983         if (ssid->passphrase == NULL)
2984                 return;
2985
2986         if (ssid->phase2_auth == NULL)
2987                 return;
2988
2989         if (ssid->client_cert_path) {
2990                 if (ssid->private_key_path == NULL)
2991                         return;
2992
2993                 if (ssid->private_key_passphrase == NULL)
2994                         return;
2995
2996                 supplicant_dbus_dict_append_basic(dict, "client_cert",
2997                                                 DBUS_TYPE_STRING,
2998                                                 &ssid->client_cert_path);
2999
3000                 supplicant_dbus_dict_append_basic(dict, "private_key",
3001                                                 DBUS_TYPE_STRING,
3002                                                 &ssid->private_key_path);
3003
3004                 supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
3005                                                 DBUS_TYPE_STRING,
3006                                                 &ssid->private_key_passphrase);
3007
3008         }
3009
3010         if (g_str_has_prefix(ssid->phase2_auth, "EAP-") == TRUE) {
3011                 phase2_auth = g_strdup_printf("autheap=%s",
3012                                         ssid->phase2_auth + strlen("EAP-"));
3013         } else
3014                 phase2_auth = g_strdup_printf("auth=%s", ssid->phase2_auth);
3015
3016         supplicant_dbus_dict_append_basic(dict, "password",
3017                                                 DBUS_TYPE_STRING,
3018                                                 &ssid->passphrase);
3019
3020         if (ssid->ca_cert_path)
3021                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
3022                                                 DBUS_TYPE_STRING,
3023                                                 &ssid->ca_cert_path);
3024
3025         supplicant_dbus_dict_append_basic(dict, "phase2",
3026                                                 DBUS_TYPE_STRING,
3027                                                 &phase2_auth);
3028
3029         g_free(phase2_auth);
3030 }
3031
3032 static void add_network_security_eap(DBusMessageIter *dict,
3033                                         GSupplicantSSID *ssid)
3034 {
3035         char *eap_value;
3036
3037 #if defined TIZEN_EXT
3038         if (ssid->eap == NULL)
3039 #else
3040         if (ssid->eap == NULL || ssid->identity == NULL)
3041 #endif
3042                 return;
3043
3044         if (g_strcmp0(ssid->eap, "tls") == 0) {
3045                 add_network_security_tls(dict, ssid);
3046         } else if (g_strcmp0(ssid->eap, "peap") == 0 ||
3047                                 g_strcmp0(ssid->eap, "ttls") == 0) {
3048 #if defined TIZEN_EXT
3049                 if (ssid->identity == NULL)
3050                         return;
3051 #endif
3052                 add_network_security_peap(dict, ssid);
3053 #if defined TIZEN_EXT
3054         } else if (g_strcmp0(ssid->eap, "sim") == 0 ||
3055                         g_strcmp0(ssid->eap, "aka") == 0) {
3056 #endif
3057         } else
3058                 return;
3059
3060         eap_value = g_ascii_strup(ssid->eap, -1);
3061
3062         supplicant_dbus_dict_append_basic(dict, "eap",
3063                                                 DBUS_TYPE_STRING,
3064                                                 &eap_value);
3065 #if defined TIZEN_EXT
3066         if (ssid->identity != NULL)
3067                 supplicant_dbus_dict_append_basic(dict, "identity",
3068                                                         DBUS_TYPE_STRING,
3069                                                         &ssid->identity);
3070 #else
3071         supplicant_dbus_dict_append_basic(dict, "identity",
3072                                                 DBUS_TYPE_STRING,
3073                                                 &ssid->identity);
3074 #endif
3075
3076         g_free(eap_value);
3077 }
3078
3079 static void add_network_security_ciphers(DBusMessageIter *dict,
3080                                                 GSupplicantSSID *ssid)
3081 {
3082         unsigned int p_cipher, g_cipher, i;
3083         char *pairwise, *group;
3084         char *pair_ciphers[4];
3085         char *group_ciphers[5];
3086
3087         p_cipher = ssid->pairwise_cipher;
3088         g_cipher = ssid->group_cipher;
3089
3090         if (p_cipher == 0 && g_cipher == 0)
3091                 return;
3092
3093         i = 0;
3094
3095         if (p_cipher & G_SUPPLICANT_PAIRWISE_CCMP)
3096                 pair_ciphers[i++] = "CCMP";
3097
3098         if (p_cipher & G_SUPPLICANT_PAIRWISE_TKIP)
3099                 pair_ciphers[i++] = "TKIP";
3100
3101         if (p_cipher & G_SUPPLICANT_PAIRWISE_NONE)
3102                 pair_ciphers[i++] = "NONE";
3103
3104         pair_ciphers[i] = NULL;
3105
3106         i = 0;
3107
3108         if (g_cipher & G_SUPPLICANT_GROUP_CCMP)
3109                 group_ciphers[i++] = "CCMP";
3110
3111         if (g_cipher & G_SUPPLICANT_GROUP_TKIP)
3112                 group_ciphers[i++] = "TKIP";
3113
3114         if (g_cipher & G_SUPPLICANT_GROUP_WEP104)
3115                 group_ciphers[i++] = "WEP104";
3116
3117         if (g_cipher & G_SUPPLICANT_GROUP_WEP40)
3118                 group_ciphers[i++] = "WEP40";
3119
3120         group_ciphers[i] = NULL;
3121
3122         pairwise = g_strjoinv(" ", pair_ciphers);
3123         group = g_strjoinv(" ", group_ciphers);
3124
3125         SUPPLICANT_DBG("cipher %s %s", pairwise, group);
3126
3127         supplicant_dbus_dict_append_basic(dict, "pairwise",
3128                                                 DBUS_TYPE_STRING,
3129                                                 &pairwise);
3130         supplicant_dbus_dict_append_basic(dict, "group",
3131                                                 DBUS_TYPE_STRING,
3132                                                 &group);
3133
3134         g_free(pairwise);
3135         g_free(group);
3136 }
3137
3138 static void add_network_security_proto(DBusMessageIter *dict,
3139                                                 GSupplicantSSID *ssid)
3140 {
3141         unsigned int protocol, i;
3142         char *proto;
3143         char *protos[3];
3144
3145         protocol = ssid->protocol;
3146
3147         if (protocol == 0)
3148                 return;
3149
3150         i = 0;
3151
3152         if (protocol & G_SUPPLICANT_PROTO_RSN)
3153                 protos[i++] = "RSN";
3154
3155         if (protocol & G_SUPPLICANT_PROTO_WPA)
3156                 protos[i++] = "WPA";
3157
3158         protos[i] = NULL;
3159
3160         proto = g_strjoinv(" ", protos);
3161
3162         SUPPLICANT_DBG("proto %s", proto);
3163
3164         supplicant_dbus_dict_append_basic(dict, "proto",
3165                                                 DBUS_TYPE_STRING,
3166                                                 &proto);
3167
3168         g_free(proto);
3169 }
3170
3171 static void add_network_security(DBusMessageIter *dict, GSupplicantSSID *ssid)
3172 {
3173         char *key_mgmt;
3174
3175         switch (ssid->security) {
3176         case G_SUPPLICANT_SECURITY_UNKNOWN:
3177         case G_SUPPLICANT_SECURITY_NONE:
3178         case G_SUPPLICANT_SECURITY_WEP:
3179                 key_mgmt = "NONE";
3180                 add_network_security_wep(dict, ssid);
3181                 add_network_security_ciphers(dict, ssid);
3182                 break;
3183         case G_SUPPLICANT_SECURITY_PSK:
3184                 key_mgmt = "WPA-PSK";
3185                 add_network_security_psk(dict, ssid);
3186                 add_network_security_ciphers(dict, ssid);
3187                 add_network_security_proto(dict, ssid);
3188                 break;
3189         case G_SUPPLICANT_SECURITY_IEEE8021X:
3190                 key_mgmt = "WPA-EAP";
3191                 add_network_security_eap(dict, ssid);
3192                 add_network_security_ciphers(dict, ssid);
3193                 add_network_security_proto(dict, ssid);
3194                 break;
3195         }
3196
3197         supplicant_dbus_dict_append_basic(dict, "key_mgmt",
3198                                 DBUS_TYPE_STRING, &key_mgmt);
3199 }
3200
3201 static void add_network_mode(DBusMessageIter *dict, GSupplicantSSID *ssid)
3202 {
3203         dbus_uint32_t mode;
3204
3205         switch (ssid->mode) {
3206         case G_SUPPLICANT_MODE_UNKNOWN:
3207         case G_SUPPLICANT_MODE_INFRA:
3208                 mode = 0;
3209                 break;
3210         case G_SUPPLICANT_MODE_IBSS:
3211                 mode = 1;
3212                 break;
3213         case G_SUPPLICANT_MODE_MASTER:
3214                 mode = 2;
3215                 break;
3216         }
3217
3218         supplicant_dbus_dict_append_basic(dict, "mode",
3219                                 DBUS_TYPE_UINT32, &mode);
3220 }
3221
3222 static void interface_add_network_params(DBusMessageIter *iter, void *user_data)
3223 {
3224         DBusMessageIter dict;
3225         struct interface_connect_data *data = user_data;
3226         GSupplicantSSID *ssid = data->ssid;
3227
3228         supplicant_dbus_dict_open(iter, &dict);
3229
3230         if (ssid->scan_ssid)
3231                 supplicant_dbus_dict_append_basic(&dict, "scan_ssid",
3232                                          DBUS_TYPE_UINT32, &ssid->scan_ssid);
3233
3234         if (ssid->freq)
3235                 supplicant_dbus_dict_append_basic(&dict, "frequency",
3236                                          DBUS_TYPE_UINT32, &ssid->freq);
3237
3238         add_network_mode(&dict, ssid);
3239
3240         add_network_security(&dict, ssid);
3241
3242         supplicant_dbus_dict_append_fixed_array(&dict, "ssid",
3243                                         DBUS_TYPE_BYTE, &ssid->ssid,
3244                                                 ssid->ssid_len);
3245
3246         supplicant_dbus_dict_close(iter, &dict);
3247 }
3248
3249 static void interface_wps_start_result(const char *error,
3250                                 DBusMessageIter *iter, void *user_data)
3251 {
3252         struct interface_connect_data *data = user_data;
3253
3254         SUPPLICANT_DBG("");
3255         if (error != NULL)
3256                 SUPPLICANT_DBG("error: %s", error);
3257
3258         g_free(data->ssid);
3259         dbus_free(data);
3260 }
3261
3262 static void interface_add_wps_params(DBusMessageIter *iter, void *user_data)
3263 {
3264         struct interface_connect_data *data = user_data;
3265         GSupplicantSSID *ssid = data->ssid;
3266         const char *role = "enrollee", *type;
3267         DBusMessageIter dict;
3268
3269         SUPPLICANT_DBG("");
3270
3271         supplicant_dbus_dict_open(iter, &dict);
3272
3273         supplicant_dbus_dict_append_basic(&dict, "Role",
3274                                                 DBUS_TYPE_STRING, &role);
3275
3276         type = "pbc";
3277         if (ssid->pin_wps != NULL) {
3278                 type = "pin";
3279                 supplicant_dbus_dict_append_basic(&dict, "Pin",
3280                                         DBUS_TYPE_STRING, &ssid->pin_wps);
3281         }
3282
3283         supplicant_dbus_dict_append_basic(&dict, "Type",
3284                                         DBUS_TYPE_STRING, &type);
3285
3286         supplicant_dbus_dict_close(iter, &dict);
3287 }
3288
3289 static void wps_start(const char *error, DBusMessageIter *iter, void *user_data)
3290 {
3291         struct interface_connect_data *data = user_data;
3292
3293         SUPPLICANT_DBG("");
3294
3295         if (error != NULL) {
3296                 SUPPLICANT_DBG("error: %s", error);
3297                 g_free(data->ssid);
3298                 dbus_free(data);
3299                 return;
3300         }
3301
3302         supplicant_dbus_method_call(data->interface->path,
3303                         SUPPLICANT_INTERFACE ".Interface.WPS", "Start",
3304                         interface_add_wps_params,
3305                         interface_wps_start_result, data);
3306 }
3307
3308 static void wps_process_credentials(DBusMessageIter *iter, void *user_data)
3309 {
3310         dbus_bool_t credentials = TRUE;
3311
3312         SUPPLICANT_DBG("");
3313
3314         dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &credentials);
3315 }
3316
3317
3318 int g_supplicant_interface_connect(GSupplicantInterface *interface,
3319                                 GSupplicantSSID *ssid,
3320                                 GSupplicantInterfaceCallback callback,
3321                                                         void *user_data)
3322 {
3323         struct interface_connect_data *data;
3324         int ret;
3325
3326         if (interface == NULL)
3327                 return -EINVAL;
3328
3329         if (system_available == FALSE)
3330                 return -EFAULT;
3331
3332         /* TODO: Check if we're already connected and switch */
3333
3334         data = dbus_malloc0(sizeof(*data));
3335         if (data == NULL)
3336                 return -ENOMEM;
3337
3338         data->interface = interface;
3339         data->callback = callback;
3340         data->ssid = ssid;
3341         data->user_data = user_data;
3342
3343         if (ssid->use_wps == TRUE) {
3344                 g_free(interface->wps_cred.key);
3345                 memset(&interface->wps_cred, 0,
3346                                 sizeof(struct _GSupplicantWpsCredentials));
3347
3348                 ret = supplicant_dbus_property_set(interface->path,
3349                         SUPPLICANT_INTERFACE ".Interface.WPS",
3350                         "ProcessCredentials", DBUS_TYPE_BOOLEAN_AS_STRING,
3351                         wps_process_credentials, wps_start, data);
3352         } else
3353                 ret = supplicant_dbus_method_call(interface->path,
3354                         SUPPLICANT_INTERFACE ".Interface", "AddNetwork",
3355                         interface_add_network_params,
3356                         interface_add_network_result, data);
3357
3358         if (ret < 0)
3359                 return ret;
3360
3361         return -EINPROGRESS;
3362 }
3363
3364 static void network_remove_result(const char *error,
3365                                 DBusMessageIter *iter, void *user_data)
3366 {
3367         struct interface_data *data = user_data;
3368         int result = 0;
3369
3370         SUPPLICANT_DBG("");
3371
3372         if (error != NULL)
3373                 result = -EIO;
3374
3375         if (data->callback != NULL)
3376                 data->callback(result, data->interface, data->user_data);
3377
3378         dbus_free(data);
3379 }
3380
3381 static void network_remove_params(DBusMessageIter *iter, void *user_data)
3382 {
3383         struct interface_data *data = user_data;
3384         const char *path = data->interface->network_path;
3385
3386         SUPPLICANT_DBG("path %s", path);
3387
3388         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &path);
3389 }
3390
3391 static int network_remove(struct interface_data *data)
3392 {
3393         GSupplicantInterface *interface = data->interface;
3394
3395         SUPPLICANT_DBG("");
3396
3397         return supplicant_dbus_method_call(interface->path,
3398                         SUPPLICANT_INTERFACE ".Interface", "RemoveNetwork",
3399                         network_remove_params, network_remove_result, data);
3400 }
3401
3402 static void interface_disconnect_result(const char *error,
3403                                 DBusMessageIter *iter, void *user_data)
3404 {
3405         struct interface_data *data = user_data;
3406
3407         SUPPLICANT_DBG("");
3408
3409 #if defined TIZEN_EXT
3410         if (error != NULL && data->callback != NULL) {
3411                 data->callback(-EIO, data->interface, data->user_data);
3412                 data->user_data = NULL;
3413         }
3414 #else
3415         if (error != NULL && data->callback != NULL)
3416                 data->callback(-EIO, data->interface, data->user_data);
3417 #endif
3418
3419         /* If we are disconnecting from previous WPS successful
3420          * association. i.e.: it did not went through AddNetwork,
3421          * and interface->network_path was never set. */
3422         if (data->interface->network_path == NULL)
3423                 return;
3424
3425         network_remove(data);
3426 }
3427
3428 int g_supplicant_interface_disconnect(GSupplicantInterface *interface,
3429                                         GSupplicantInterfaceCallback callback,
3430                                                         void *user_data)
3431 {
3432         struct interface_data *data;
3433
3434         SUPPLICANT_DBG("");
3435
3436         if (interface == NULL)
3437                 return -EINVAL;
3438
3439         if (system_available == FALSE)
3440                 return -EFAULT;
3441
3442         data = dbus_malloc0(sizeof(*data));
3443         if (data == NULL)
3444                 return -ENOMEM;
3445
3446         data->interface = interface;
3447         data->callback = callback;
3448         data->user_data = user_data;
3449
3450         return supplicant_dbus_method_call(interface->path,
3451                         SUPPLICANT_INTERFACE ".Interface", "Disconnect",
3452                                 NULL, interface_disconnect_result, data);
3453 }
3454
3455
3456 static const char *g_supplicant_rule0 = "type=signal,"
3457                                         "path=" DBUS_PATH_DBUS ","
3458                                         "sender=" DBUS_SERVICE_DBUS ","
3459                                         "interface=" DBUS_INTERFACE_DBUS ","
3460                                         "member=NameOwnerChanged,"
3461                                         "arg0=" SUPPLICANT_SERVICE;
3462 static const char *g_supplicant_rule1 = "type=signal,"
3463                         "interface=" SUPPLICANT_INTERFACE;
3464 static const char *g_supplicant_rule2 = "type=signal,"
3465                         "interface=" SUPPLICANT_INTERFACE ".Interface";
3466 static const char *g_supplicant_rule3 = "type=signal,"
3467                         "interface=" SUPPLICANT_INTERFACE ".Interface.WPS";
3468 static const char *g_supplicant_rule4 = "type=signal,"
3469                         "interface=" SUPPLICANT_INTERFACE ".BSS";
3470 static const char *g_supplicant_rule5 = "type=signal,"
3471                         "interface=" SUPPLICANT_INTERFACE ".Network";
3472
3473 static void invoke_introspect_method(void)
3474 {
3475         DBusMessage *message;
3476
3477         message = dbus_message_new_method_call(SUPPLICANT_SERVICE,
3478                                         SUPPLICANT_PATH,
3479                                         DBUS_INTERFACE_INTROSPECTABLE,
3480                                         "Introspect");
3481
3482         if (message == NULL)
3483                 return;
3484
3485         dbus_message_set_no_reply(message, TRUE);
3486         dbus_connection_send(connection, message, NULL);
3487         dbus_message_unref(message);
3488 }
3489
3490 int g_supplicant_register(const GSupplicantCallbacks *callbacks)
3491 {
3492         connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
3493         if (connection == NULL)
3494                 return -EIO;
3495
3496         if (dbus_connection_add_filter(connection,
3497                                 g_supplicant_filter, NULL, NULL) == FALSE) {
3498                 dbus_connection_unref(connection);
3499                 connection = NULL;
3500                 return -EIO;
3501         }
3502
3503         callbacks_pointer = callbacks;
3504         eap_methods = 0;
3505
3506         interface_table = g_hash_table_new_full(g_str_hash, g_str_equal,
3507                                                 NULL, remove_interface);
3508
3509         bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
3510                                                                 NULL, NULL);
3511
3512         supplicant_dbus_setup(connection);
3513
3514         dbus_bus_add_match(connection, g_supplicant_rule0, NULL);
3515         dbus_bus_add_match(connection, g_supplicant_rule1, NULL);
3516         dbus_bus_add_match(connection, g_supplicant_rule2, NULL);
3517         dbus_bus_add_match(connection, g_supplicant_rule3, NULL);
3518         dbus_bus_add_match(connection, g_supplicant_rule4, NULL);
3519         dbus_bus_add_match(connection, g_supplicant_rule5, NULL);
3520         dbus_connection_flush(connection);
3521
3522         if (dbus_bus_name_has_owner(connection,
3523                                         SUPPLICANT_SERVICE, NULL) == TRUE) {
3524                 system_available = TRUE;
3525                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
3526                                                 SUPPLICANT_INTERFACE,
3527                                                 service_property, NULL);
3528         } else
3529                 invoke_introspect_method();
3530
3531         return 0;
3532 }
3533
3534 static void unregister_interface_remove_params(DBusMessageIter *iter,
3535                                                 void *user_data)
3536 {
3537         const char *path = user_data;
3538
3539         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
3540                                                         &path);
3541 }
3542
3543
3544 static void unregister_remove_interface(gpointer key, gpointer value,
3545                                                 gpointer user_data)
3546 {
3547         GSupplicantInterface *interface = value;
3548
3549         supplicant_dbus_method_call(SUPPLICANT_PATH,
3550                                         SUPPLICANT_INTERFACE,
3551                                         "RemoveInterface",
3552                                         unregister_interface_remove_params,
3553                                                 NULL, interface->path);
3554 }
3555
3556 void g_supplicant_unregister(const GSupplicantCallbacks *callbacks)
3557 {
3558         SUPPLICANT_DBG("");
3559
3560         if (connection != NULL) {
3561                 dbus_bus_remove_match(connection, g_supplicant_rule5, NULL);
3562                 dbus_bus_remove_match(connection, g_supplicant_rule4, NULL);
3563                 dbus_bus_remove_match(connection, g_supplicant_rule3, NULL);
3564                 dbus_bus_remove_match(connection, g_supplicant_rule2, NULL);
3565                 dbus_bus_remove_match(connection, g_supplicant_rule1, NULL);
3566                 dbus_bus_remove_match(connection, g_supplicant_rule0, NULL);
3567                 dbus_connection_flush(connection);
3568
3569                 dbus_connection_remove_filter(connection,
3570                                                 g_supplicant_filter, NULL);
3571         }
3572
3573         if (bss_mapping != NULL) {
3574                 g_hash_table_destroy(bss_mapping);
3575                 bss_mapping = NULL;
3576         }
3577
3578         if (system_available == TRUE)
3579                 callback_system_killed();
3580
3581         if (interface_table != NULL) {
3582                 g_hash_table_foreach(interface_table,
3583                                         unregister_remove_interface, NULL);
3584                 g_hash_table_destroy(interface_table);
3585                 interface_table = NULL;
3586         }
3587
3588         if (connection != NULL) {
3589                 dbus_connection_unref(connection);
3590                 connection = NULL;
3591         }
3592
3593         callbacks_pointer = NULL;
3594         eap_methods = 0;
3595 }