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         unsigned int wps_capabilities;
 192 };
 193
 194 struct _GSupplicantNetwork {
 195         GSupplicantInterface *interface;
 196         char *path;
 197         char *group;
 198         char *name;
 199         unsigned char ssid[32];
 200         unsigned int ssid_len;
 201         dbus_int16_t signal;
 202         dbus_uint16_t frequency;
 203         struct g_supplicant_bss *best_bss;
 204         GSupplicantMode mode;
 205         GSupplicantSecurity security;
 206         dbus_bool_t wps;
 207         unsigned int wps_capabilities;
 208         GHashTable *bss_table;
 209         GHashTable *config_table;
 210 };
 211
 212 static inline void debug(const char *format, ...)
 213 {
 214         char str[256];
 215         va_list ap;
 216
 217         if (callbacks_pointer->debug == NULL)
 218                 return;
 219
 220         va_start(ap, format);
 221
 222         if (vsnprintf(str, sizeof(str), format, ap) > 0)
 223                 callbacks_pointer->debug(str);
 224
 225         va_end(ap);
 226 }
 227
 228 #define SUPPLICANT_DBG(fmt, arg...) \
 229         debug("%s:%s() " fmt, __FILE__, __FUNCTION__ , ## arg);
 230
 231 static GSupplicantMode string2mode(const char *mode)
 232 {
 233         if (mode == NULL)
 234                 return G_SUPPLICANT_MODE_UNKNOWN;
 235
 236         if (g_str_equal(mode, "infrastructure") == TRUE)
 237                 return G_SUPPLICANT_MODE_INFRA;
 238         else if (g_str_equal(mode, "ad-hoc") == TRUE)
 239                 return G_SUPPLICANT_MODE_IBSS;
 240
 241         return G_SUPPLICANT_MODE_UNKNOWN;
 242 }
 243
 244 static const char *mode2string(GSupplicantMode mode)
 245 {
 246         switch (mode) {
 247         case G_SUPPLICANT_MODE_UNKNOWN:
 248                 break;
 249         case G_SUPPLICANT_MODE_INFRA:
 250                 return "managed";
 251         case G_SUPPLICANT_MODE_IBSS:
 252                 return "adhoc";
 253         case G_SUPPLICANT_MODE_MASTER:
 254                 return "ap";
 255         }
 256
 257         return NULL;
 258 }
 259
 260 static const char *security2string(GSupplicantSecurity security)
 261 {
 262         switch (security) {
 263         case G_SUPPLICANT_SECURITY_UNKNOWN:
 264                 break;
 265         case G_SUPPLICANT_SECURITY_NONE:
 266                 return "none";
 267         case G_SUPPLICANT_SECURITY_WEP:
 268                 return "wep";
 269         case G_SUPPLICANT_SECURITY_PSK:
 270                 return "psk";
 271         case G_SUPPLICANT_SECURITY_IEEE8021X:
 272                 return "ieee8021x";
 273         }
 274
 275         return NULL;
 276 }
 277
 278 static GSupplicantState string2state(const char *state)
 279 {
 280         if (state == NULL)
 281                 return G_SUPPLICANT_STATE_UNKNOWN;
 282
 283         if (g_str_equal(state, "unknown") == TRUE)
 284                 return G_SUPPLICANT_STATE_UNKNOWN;
 285         else if (g_str_equal(state, "disconnected") == TRUE)
 286                 return G_SUPPLICANT_STATE_DISCONNECTED;
 287         else if (g_str_equal(state, "inactive") == TRUE)
 288                 return G_SUPPLICANT_STATE_INACTIVE;
 289         else if (g_str_equal(state, "scanning") == TRUE)
 290                 return G_SUPPLICANT_STATE_SCANNING;
 291         else if (g_str_equal(state, "authenticating") == TRUE)
 292                 return G_SUPPLICANT_STATE_AUTHENTICATING;
 293         else if (g_str_equal(state, "associating") == TRUE)
 294                 return G_SUPPLICANT_STATE_ASSOCIATING;
 295         else if (g_str_equal(state, "associated") == TRUE)
 296                 return G_SUPPLICANT_STATE_ASSOCIATED;
 297         else if (g_str_equal(state, "group_handshake") == TRUE)
 298                 return G_SUPPLICANT_STATE_GROUP_HANDSHAKE;
 299         else if (g_str_equal(state, "4way_handshake") == TRUE)
 300                 return G_SUPPLICANT_STATE_4WAY_HANDSHAKE;
 301         else if (g_str_equal(state, "completed") == TRUE)
 302                 return G_SUPPLICANT_STATE_COMPLETED;
 303
 304         return G_SUPPLICANT_STATE_UNKNOWN;
 305 }
 306
 307 static void callback_system_ready(void)
 308 {
 309         if (system_ready == TRUE)
 310                 return;
 311
 312         system_ready = TRUE;
 313
 314         if (callbacks_pointer == NULL)
 315                 return;
 316
 317         if (callbacks_pointer->system_ready == NULL)
 318                 return;
 319
 320         callbacks_pointer->system_ready();
 321 }
 322
 323 static void callback_system_killed(void)
 324 {
 325         system_ready = FALSE;
 326
 327         if (callbacks_pointer == NULL)
 328                 return;
 329
 330         if (callbacks_pointer->system_killed == NULL)
 331                 return;
 332
 333         callbacks_pointer->system_killed();
 334 }
 335
 336 static void callback_interface_added(GSupplicantInterface *interface)
 337 {
 338         SUPPLICANT_DBG("");
 339
 340         if (callbacks_pointer == NULL)
 341                 return;
 342
 343         if (callbacks_pointer->interface_added == NULL)
 344                 return;
 345
 346         callbacks_pointer->interface_added(interface);
 347 }
 348
 349 static void callback_interface_state(GSupplicantInterface *interface)
 350 {
 351         if (callbacks_pointer == NULL)
 352                 return;
 353
 354         if (callbacks_pointer->interface_state == NULL)
 355                 return;
 356
 357         callbacks_pointer->interface_state(interface);
 358 }
 359
 360 static void callback_interface_removed(GSupplicantInterface *interface)
 361 {
 362         if (callbacks_pointer == NULL)
 363                 return;
 364
 365         if (callbacks_pointer->interface_removed == NULL)
 366                 return;
 367
 368         callbacks_pointer->interface_removed(interface);
 369 }
 370
 371 static void callback_scan_started(GSupplicantInterface *interface)
 372 {
 373         if (callbacks_pointer == NULL)
 374                 return;
 375
 376         if (callbacks_pointer->scan_started == NULL)
 377                 return;
 378
 379         callbacks_pointer->scan_started(interface);
 380 }
 381
 382 static void callback_scan_finished(GSupplicantInterface *interface)
 383 {
 384         if (callbacks_pointer == NULL)
 385                 return;
 386
 387         if (callbacks_pointer->scan_finished == NULL)
 388                 return;
 389
 390         callbacks_pointer->scan_finished(interface);
 391 }
 392
 393 static void callback_network_added(GSupplicantNetwork *network)
 394 {
 395         if (callbacks_pointer == NULL)
 396                 return;
 397
 398         if (callbacks_pointer->network_added == NULL)
 399                 return;
 400
 401         callbacks_pointer->network_added(network);
 402 }
 403
 404 static void callback_network_removed(GSupplicantNetwork *network)
 405 {
 406         if (callbacks_pointer == NULL)
 407                 return;
 408
 409         if (callbacks_pointer->network_removed == NULL)
 410                 return;
 411
 412         callbacks_pointer->network_removed(network);
 413 }
 414
 415 static void callback_network_changed(GSupplicantNetwork *network,
 416                                         const char *property)
 417 {
 418         if (callbacks_pointer == NULL)
 419                 return;
 420
 421         if (callbacks_pointer->network_changed == NULL)
 422                 return;
 423
 424         callbacks_pointer->network_changed(network, property);
 425 }
 426
 427 static void remove_interface(gpointer data)
 428 {
 429         GSupplicantInterface *interface = data;
 430
 431         g_hash_table_destroy(interface->bss_mapping);
 432         g_hash_table_destroy(interface->net_mapping);
 433         g_hash_table_destroy(interface->network_table);
 434
 435         callback_interface_removed(interface);
 436
 437         g_free(interface->wps_cred.key);
 438         g_free(interface->path);
 439         g_free(interface->network_path);
 440         g_free(interface->ifname);
 441         g_free(interface->driver);
 442         g_free(interface->bridge);
 443         g_free(interface);
 444 }
 445
 446 static void remove_network(gpointer data)
 447 {
 448         GSupplicantNetwork *network = data;
 449
 450         g_hash_table_destroy(network->bss_table);
 451
 452         callback_network_removed(network);
 453
 454         g_hash_table_destroy(network->config_table);
 455
 456         g_free(network->path);
 457         g_free(network->group);
 458         g_free(network->name);
 459         g_free(network);
 460 }
 461
 462 static void remove_bss(gpointer data)
 463 {
 464         struct g_supplicant_bss *bss = data;
 465
 466         g_free(bss->path);
 467         g_free(bss);
 468 }
 469
 470 static void debug_strvalmap(const char *label, struct strvalmap *map,
 471                                                         unsigned int val)
 472 {
 473         int i;
 474
 475         for (i = 0; map[i].str != NULL; i++) {
 476                 if (val & map[i].val)
 477                         SUPPLICANT_DBG("%s: %s", label, map[i].str);
 478         }
 479 }
 480
 481 static void interface_capability_keymgmt(DBusMessageIter *iter, void *user_data)
 482 {
 483         GSupplicantInterface *interface = user_data;
 484         const char *str = NULL;
 485         int i;
 486
 487         dbus_message_iter_get_basic(iter, &str);
 488         if (str == NULL)
 489                 return;
 490
 491         for (i = 0; keymgmt_map[i].str != NULL; i++)
 492                 if (strcmp(str, keymgmt_map[i].str) == 0) {
 493                         interface->keymgmt_capa |= keymgmt_map[i].val;
 494                         break;
 495                 }
 496 }
 497
 498 static void interface_capability_authalg(DBusMessageIter *iter, void *user_data)
 499 {
 500         GSupplicantInterface *interface = user_data;
 501         const char *str = NULL;
 502         int i;
 503
 504         dbus_message_iter_get_basic(iter, &str);
 505         if (str == NULL)
 506                 return;
 507
 508         for (i = 0; authalg_capa_map[i].str != NULL; i++)
 509                 if (strcmp(str, authalg_capa_map[i].str) == 0) {
 510                         interface->authalg_capa |= authalg_capa_map[i].val;
 511                         break;
 512                 }
 513 }
 514
 515 static void interface_capability_proto(DBusMessageIter *iter, void *user_data)
 516 {
 517         GSupplicantInterface *interface = user_data;
 518         const char *str = NULL;
 519         int i;
 520
 521         dbus_message_iter_get_basic(iter, &str);
 522         if (str == NULL)
 523                 return;
 524
 525         for (i = 0; proto_capa_map[i].str != NULL; i++)
 526                 if (strcmp(str, proto_capa_map[i].str) == 0) {
 527                         interface->proto_capa |= proto_capa_map[i].val;
 528                         break;
 529                 }
 530 }
 531
 532 static void interface_capability_pairwise(DBusMessageIter *iter,
 533                                                         void *user_data)
 534 {
 535         GSupplicantInterface *interface = user_data;
 536         const char *str = NULL;
 537         int i;
 538
 539         dbus_message_iter_get_basic(iter, &str);
 540         if (str == NULL)
 541                 return;
 542
 543         for (i = 0; pairwise_map[i].str != NULL; i++)
 544                 if (strcmp(str, pairwise_map[i].str) == 0) {
 545                         interface->pairwise_capa |= pairwise_map[i].val;
 546                         break;
 547                 }
 548 }
 549
 550 static void interface_capability_group(DBusMessageIter *iter, void *user_data)
 551 {
 552         GSupplicantInterface *interface = user_data;
 553         const char *str = NULL;
 554         int i;
 555
 556         dbus_message_iter_get_basic(iter, &str);
 557         if (str == NULL)
 558                 return;
 559
 560         for (i = 0; group_map[i].str != NULL; i++)
 561                 if (strcmp(str, group_map[i].str) == 0) {
 562                         interface->group_capa |= group_map[i].val;
 563                         break;
 564                 }
 565 }
 566
 567 static void interface_capability_scan(DBusMessageIter *iter, void *user_data)
 568 {
 569         GSupplicantInterface *interface = user_data;
 570         const char *str = NULL;
 571         int i;
 572
 573         dbus_message_iter_get_basic(iter, &str);
 574         if (str == NULL)
 575                 return;
 576
 577         for (i = 0; scan_capa_map[i].str != NULL; i++)
 578                 if (strcmp(str, scan_capa_map[i].str) == 0) {
 579                         interface->scan_capa |= scan_capa_map[i].val;
 580                         break;
 581                 }
 582 }
 583
 584 static void interface_capability_mode(DBusMessageIter *iter, void *user_data)
 585 {
 586         GSupplicantInterface *interface = user_data;
 587         const char *str = NULL;
 588         int i;
 589
 590         dbus_message_iter_get_basic(iter, &str);
 591         if (str == NULL)
 592                 return;
 593
 594         for (i = 0; mode_capa_map[i].str != NULL; i++)
 595                 if (strcmp(str, mode_capa_map[i].str) == 0) {
 596                         interface->mode_capa |= mode_capa_map[i].val;
 597                         break;
 598                 }
 599 }
 600
 601 static void interface_capability(const char *key, DBusMessageIter *iter,
 602                                                         void *user_data)
 603 {
 604         GSupplicantInterface *interface = user_data;
 605
 606         if (key == NULL)
 607                 return;
 608
 609         if (g_strcmp0(key, "KeyMgmt") == 0)
 610                 supplicant_dbus_array_foreach(iter,
 611                                 interface_capability_keymgmt, interface);
 612         else if (g_strcmp0(key, "AuthAlg") == 0)
 613                 supplicant_dbus_array_foreach(iter,
 614                                 interface_capability_authalg, interface);
 615         else if (g_strcmp0(key, "Protocol") == 0)
 616                 supplicant_dbus_array_foreach(iter,
 617                                 interface_capability_proto, interface);
 618         else if (g_strcmp0(key, "Pairwise") == 0)
 619                 supplicant_dbus_array_foreach(iter,
 620                                 interface_capability_pairwise, interface);
 621         else if (g_strcmp0(key, "Group") == 0)
 622                 supplicant_dbus_array_foreach(iter,
 623                                 interface_capability_group, interface);
 624         else if (g_strcmp0(key, "Scan") == 0)
 625                 supplicant_dbus_array_foreach(iter,
 626                                 interface_capability_scan, interface);
 627         else if (g_strcmp0(key, "Modes") == 0)
 628                 supplicant_dbus_array_foreach(iter,
 629                                 interface_capability_mode, interface);
 630         else if (g_strcmp0(key, "MaxScanSSID") == 0) {
 631                 dbus_int32_t max_scan_ssid;
 632
 633                 dbus_message_iter_get_basic(iter, &max_scan_ssid);
 634                 interface->max_scan_ssids = max_scan_ssid;
 635
 636         } else
 637                 SUPPLICANT_DBG("key %s type %c",
 638                                 key, dbus_message_iter_get_arg_type(iter));
 639 }
 640
 641 static void set_apscan(DBusMessageIter *iter, void *user_data)
 642 {
 643         unsigned int ap_scan = *(unsigned int *)user_data;
 644
 645         dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT32, &ap_scan);
 646 }
 647
 648 int g_supplicant_interface_set_apscan(GSupplicantInterface *interface,
 649                                                         unsigned int ap_scan)
 650 {
 651         return supplicant_dbus_property_set(interface->path,
 652                         SUPPLICANT_INTERFACE ".Interface",
 653                                 "ApScan", DBUS_TYPE_UINT32_AS_STRING,
 654                                         set_apscan, NULL, &ap_scan);
 655 }
 656
 657 void g_supplicant_interface_set_data(GSupplicantInterface *interface,
 658                                                                 void *data)
 659 {
 660         if (interface == NULL)
 661                 return;
 662
 663         interface->data = data;
 664 }
 665
 666 void *g_supplicant_interface_get_data(GSupplicantInterface *interface)
 667 {
 668         if (interface == NULL)
 669                 return NULL;
 670
 671         return interface->data;
 672 }
 673
 674 const char *g_supplicant_interface_get_ifname(GSupplicantInterface *interface)
 675 {
 676         if (interface == NULL)
 677                 return NULL;
 678
 679         return interface->ifname;
 680 }
 681
 682 const char *g_supplicant_interface_get_driver(GSupplicantInterface *interface)
 683 {
 684         if (interface == NULL)
 685                 return NULL;
 686
 687         return interface->driver;
 688 }
 689
 690 GSupplicantState g_supplicant_interface_get_state(
 691                                         GSupplicantInterface *interface)
 692 {
 693         if (interface == NULL)
 694                 return G_SUPPLICANT_STATE_UNKNOWN;
 695
 696         return interface->state;
 697 }
 698
 699 const char *g_supplicant_interface_get_wps_key(GSupplicantInterface *interface)
 700 {
 701         if (interface == NULL)
 702                 return NULL;
 703
 704         return (const char *)interface->wps_cred.key;
 705 }
 706
 707 const void *g_supplicant_interface_get_wps_ssid(GSupplicantInterface *interface,
 708                                                         unsigned int *ssid_len)
 709 {
 710         if (ssid_len == NULL)
 711                 return NULL;
 712
 713         if (interface == NULL || interface->wps_cred.ssid == NULL) {
 714                 *ssid_len = 0;
 715                 return NULL;
 716         }
 717
 718         *ssid_len = interface->wps_cred.ssid_len;
 719         return interface->wps_cred.ssid;
 720 }
 721
 722 GSupplicantWpsState g_supplicant_interface_get_wps_state(
 723                                         GSupplicantInterface *interface)
 724 {
 725         if (interface == NULL)
 726                 return G_SUPPLICANT_WPS_STATE_UNKNOWN;
 727
 728         return interface->wps_state;
 729 }
 730
 731 unsigned int g_supplicant_interface_get_mode(GSupplicantInterface *interface)
 732 {
 733         if (interface == NULL)
 734                 return 0;
 735
 736         return interface->mode_capa;
 737 }
 738
 739 unsigned int g_supplicant_interface_get_max_scan_ssids(
 740                                 GSupplicantInterface *interface)
 741 {
 742         if (interface == NULL)
 743                 return 0;
 744
 745         return interface->max_scan_ssids;
 746 }
 747
 748 static void set_network_enabled(DBusMessageIter *iter, void *user_data)
 749 {
 750         dbus_bool_t enable = *(dbus_bool_t *)user_data;
 751
 752         dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &enable);
 753 }
 754
 755 int g_supplicant_interface_enable_selected_network(GSupplicantInterface *interface,
 756                                                         dbus_bool_t enable)
 757 {
 758         if (interface == NULL)
 759                 return -1;
 760
 761         if (interface->network_path == NULL)
 762                 return -1;
 763
 764         SUPPLICANT_DBG(" ");
 765         return supplicant_dbus_property_set(interface->network_path,
 766                                 SUPPLICANT_INTERFACE ".Network",
 767                                 "Enabled", DBUS_TYPE_BOOLEAN_AS_STRING,
 768                                 set_network_enabled, NULL, &enable);
 769 }
 770
 771 dbus_bool_t g_supplicant_interface_get_ready(GSupplicantInterface *interface)
 772 {
 773         if (interface == NULL)
 774                 return FALSE;
 775
 776         return interface->ready;
 777 }
 778
 779 GSupplicantInterface *g_supplicant_network_get_interface(
 780                                         GSupplicantNetwork *network)
 781 {
 782         if (network == NULL)
 783                 return NULL;
 784
 785         return network->interface;
 786 }
 787
 788 const char *g_supplicant_network_get_name(GSupplicantNetwork *network)
 789 {
 790         if (network == NULL || network->name == NULL)
 791                 return "";
 792
 793         return network->name;
 794 }
 795
 796 const char *g_supplicant_network_get_identifier(GSupplicantNetwork *network)
 797 {
 798         if (network == NULL || network->group == NULL)
 799                 return "";
 800
 801         return network->group;
 802 }
 803
 804 const char *g_supplicant_network_get_path(GSupplicantNetwork *network)
 805 {
 806         if (network == NULL || network->path == NULL)
 807                 return NULL;
 808
 809         return network->path;
 810 }
 811
 812 const char *g_supplicant_network_get_mode(GSupplicantNetwork *network)
 813 {
 814         if (network == NULL)
 815                 return G_SUPPLICANT_MODE_UNKNOWN;
 816
 817         return mode2string(network->mode);
 818 }
 819
 820 const char *g_supplicant_network_get_security(GSupplicantNetwork *network)
 821 {
 822         if (network == NULL)
 823                 return G_SUPPLICANT_SECURITY_UNKNOWN;
 824
 825         return security2string(network->security);
 826 }
 827
 828 const void *g_supplicant_network_get_ssid(GSupplicantNetwork *network,
 829                                                 unsigned int *ssid_len)
 830 {
 831         if (network == NULL || network->ssid == NULL) {
 832                 *ssid_len = 0;
 833                 return NULL;
 834         }
 835
 836         *ssid_len = network->ssid_len;
 837         return network->ssid;
 838 }
 839
 840 dbus_int16_t g_supplicant_network_get_signal(GSupplicantNetwork *network)
 841 {
 842         if (network == NULL)
 843                 return 0;
 844
 845         return network->signal;
 846 }
 847
 848 dbus_uint16_t g_supplicant_network_get_frequency(GSupplicantNetwork *network)
 849 {
 850         if (network == NULL)
 851                 return 0;
 852
 853         return network->frequency;
 854 }
 855
 856 dbus_bool_t g_supplicant_network_get_wps(GSupplicantNetwork *network)
 857 {
 858         if (network == NULL)
 859                 return FALSE;
 860
 861         return network->wps;
 862 }
 863
 864 dbus_bool_t g_supplicant_network_is_wps_active(GSupplicantNetwork *network)
 865 {
 866         if (network == NULL)
 867                 return FALSE;
 868
 869         if (network->wps_capabilities & G_SUPPLICANT_WPS_CONFIGURED)
 870                 return TRUE;
 871
 872         return FALSE;
 873 }
 874
 875 dbus_bool_t g_supplicant_network_is_wps_pbc(GSupplicantNetwork *network)
 876 {
 877         if (network == NULL)
 878                 return FALSE;
 879
 880         if (network->wps_capabilities & G_SUPPLICANT_WPS_PBC)
 881                 return TRUE;
 882
 883         return FALSE;
 884 }
 885
 886 dbus_bool_t g_supplicant_network_is_wps_advertizing(GSupplicantNetwork *network)
 887 {
 888         if (network == NULL)
 889                 return FALSE;
 890
 891         if (network->wps_capabilities & G_SUPPLICANT_WPS_REGISTRAR)
 892                 return TRUE;
 893
 894         return FALSE;
 895 }
 896
 897 static void merge_network(GSupplicantNetwork *network)
 898 {
 899         GString *str;
 900         const char *ssid, *mode, *key_mgmt;
 901         unsigned int i, ssid_len;
 902         char *group;
 903
 904         ssid = g_hash_table_lookup(network->config_table, "ssid");
 905         mode = g_hash_table_lookup(network->config_table, "mode");
 906         key_mgmt = g_hash_table_lookup(network->config_table, "key_mgmt");
 907
 908         SUPPLICANT_DBG("ssid %s mode %s", ssid, mode);
 909
 910         if (ssid != NULL)
 911                 ssid_len = strlen(ssid);
 912         else
 913                 ssid_len = 0;
 914
 915         str = g_string_sized_new((ssid_len * 2) + 24);
 916         if (str == NULL)
 917                 return;
 918
 919         for (i = 0; i < ssid_len; i++)
 920                 g_string_append_printf(str, "%02x", ssid[i]);
 921
 922         if (g_strcmp0(mode, "0") == 0)
 923                 g_string_append_printf(str, "_managed");
 924         else if (g_strcmp0(mode, "1") == 0)
 925                 g_string_append_printf(str, "_adhoc");
 926
 927         if (g_strcmp0(key_mgmt, "WPA-PSK") == 0)
 928                 g_string_append_printf(str, "_psk");
 929
 930         group = g_string_free(str, FALSE);
 931
 932         SUPPLICANT_DBG("%s", group);
 933
 934         g_free(group);
 935
 936         g_hash_table_destroy(network->config_table);
 937
 938         g_free(network->path);
 939         g_free(network);
 940 }
 941
 942 static void network_property(const char *key, DBusMessageIter *iter,
 943                                                         void *user_data)
 944 {
 945         GSupplicantNetwork *network = user_data;
 946
 947         if (network->interface == NULL)
 948                 return;
 949
 950         if (key == NULL) {
 951                 merge_network(network);
 952                 return;
 953         }
 954
 955         if (g_strcmp0(key, "Enabled") == 0) {
 956                 dbus_bool_t enabled = FALSE;
 957
 958                 dbus_message_iter_get_basic(iter, &enabled);
 959         } else if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
 960                 const char *str = NULL;
 961
 962                 dbus_message_iter_get_basic(iter, &str);
 963                 if (str != NULL) {
 964                         g_hash_table_replace(network->config_table,
 965                                                 g_strdup(key), g_strdup(str));
 966                 }
 967         } else
 968                 SUPPLICANT_DBG("key %s type %c",
 969                                 key, dbus_message_iter_get_arg_type(iter));
 970 }
 971
 972 static void interface_network_added(DBusMessageIter *iter, void *user_data)
 973 {
 974         GSupplicantInterface *interface = user_data;
 975         GSupplicantNetwork *network;
 976         const char *path = NULL;
 977
 978         SUPPLICANT_DBG("");
 979
 980         dbus_message_iter_get_basic(iter, &path);
 981         if (path == NULL)
 982                 return;
 983
 984         if (g_strcmp0(path, "/") == 0)
 985                 return;
 986
 987         network = g_hash_table_lookup(interface->net_mapping, path);
 988         if (network != NULL)
 989                 return;
 990
 991         network = g_try_new0(GSupplicantNetwork, 1);
 992         if (network == NULL)
 993                 return;
 994
 995         network->interface = interface;
 996         network->path = g_strdup(path);
 997
 998         network->config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
 999                                                         g_free, g_free);
1000
1001         dbus_message_iter_next(iter);
1002         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_INVALID) {
1003                 supplicant_dbus_property_foreach(iter, network_property,
1004                                                                 network);
1005                 network_property(NULL, NULL, network);
1006                 return;
1007         }
1008
1009         supplicant_dbus_property_get_all(path,
1010                                 SUPPLICANT_INTERFACE ".Network",
1011                                                 network_property, network);
1012 }
1013
1014 static void interface_network_removed(DBusMessageIter *iter, void *user_data)
1015 {
1016         GSupplicantInterface *interface = user_data;
1017         GSupplicantNetwork *network;
1018         const char *path = NULL;
1019
1020         dbus_message_iter_get_basic(iter, &path);
1021         if (path == NULL)
1022                 return;
1023
1024         network = g_hash_table_lookup(interface->net_mapping, path);
1025         if (network == NULL)
1026                 return;
1027
1028         g_hash_table_remove(interface->net_mapping, path);
1029 }
1030
1031 static char *create_name(unsigned char *ssid, int ssid_len)
1032 {
1033         GString *string;
1034         const gchar *remainder, *invalid;
1035         int valid_bytes, remaining_bytes;
1036
1037         if (ssid_len < 1 || ssid[0] == '\0')
1038                 return g_strdup("");
1039
1040         string = NULL;
1041         remainder = (const gchar *)ssid;
1042         remaining_bytes = ssid_len;
1043
1044         while (remaining_bytes != 0) {
1045                 if (g_utf8_validate(remainder, remaining_bytes,
1046                                         &invalid) == TRUE) {
1047                         break;
1048                 }
1049
1050                 valid_bytes = invalid - remainder;
1051
1052                 if (string == NULL)
1053                         string = g_string_sized_new(remaining_bytes);
1054
1055                 g_string_append_len(string, remainder, valid_bytes);
1056
1057                 /* append U+FFFD REPLACEMENT CHARACTER */
1058                 g_string_append(string, "\357\277\275");
1059
1060                 remaining_bytes -= valid_bytes + 1;
1061                 remainder = invalid + 1;
1062         }
1063
1064         if (string == NULL)
1065                 return g_strndup((const gchar *)ssid, ssid_len + 1);
1066
1067         g_string_append(string, remainder);
1068
1069         return g_string_free(string, FALSE);
1070 }
1071
1072 static char *create_group(struct g_supplicant_bss *bss)
1073 {
1074         GString *str;
1075         unsigned int i;
1076         const char *mode, *security;
1077
1078         str = g_string_sized_new((bss->ssid_len * 2) + 24);
1079         if (str == NULL)
1080                 return NULL;
1081
1082         if (bss->ssid_len > 0 && bss->ssid[0] != '\0') {
1083                 for (i = 0; i < bss->ssid_len; i++)
1084                         g_string_append_printf(str, "%02x", bss->ssid[i]);
1085         } else
1086                 g_string_append_printf(str, "hidden");
1087
1088         mode = mode2string(bss->mode);
1089         if (mode != NULL)
1090                 g_string_append_printf(str, "_%s", mode);
1091
1092         security = security2string(bss->security);
1093         if (security != NULL)
1094                 g_string_append_printf(str, "_%s", security);
1095
1096         return g_string_free(str, FALSE);
1097 }
1098
1099 static void add_bss_to_network(struct g_supplicant_bss *bss)
1100 {
1101         GSupplicantInterface *interface = bss->interface;
1102         GSupplicantNetwork *network;
1103         char *group;
1104
1105         group = create_group(bss);
1106         if (group == NULL)
1107                 return;
1108
1109         network = g_hash_table_lookup(interface->network_table, group);
1110         if (network != NULL) {
1111                 g_free(group);
1112                 goto done;
1113         }
1114
1115         network = g_try_new0(GSupplicantNetwork, 1);
1116         if (network == NULL) {
1117                 g_free(group);
1118                 return;
1119         }
1120
1121         network->interface = interface;
1122         if (network->path == NULL)
1123                 network->path = g_strdup(bss->path);
1124         network->group = group;
1125         network->name = create_name(bss->ssid, bss->ssid_len);
1126         network->mode = bss->mode;
1127         network->security = bss->security;
1128         network->ssid_len = bss->ssid_len;
1129         memcpy(network->ssid, bss->ssid, bss->ssid_len);
1130         network->signal = bss->signal;
1131         network->frequency = bss->frequency;
1132         network->best_bss = bss;
1133
1134         network->wps = FALSE;
1135         if ((bss->keymgmt & G_SUPPLICANT_KEYMGMT_WPS) != 0) {
1136                 network->wps = TRUE;
1137
1138                 network->wps_capabilities |= bss->wps_capabilities;
1139         }
1140
1141         network->bss_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1142                                                         NULL, remove_bss);
1143
1144         network->config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1145                                                         g_free, g_free);
1146
1147         g_hash_table_replace(interface->network_table,
1148                                                 network->group, network);
1149
1150         callback_network_added(network);
1151
1152 done:
1153         if (bss->signal > network->signal) {
1154                 network->signal = bss->signal;
1155                 network->best_bss = bss;
1156                 callback_network_changed(network, "Signal");
1157         }
1158
1159         g_hash_table_replace(interface->bss_mapping, bss->path, network);
1160         g_hash_table_replace(network->bss_table, bss->path, bss);
1161
1162         g_hash_table_replace(bss_mapping, bss->path, interface);
1163 }
1164
1165 static void bss_rates(DBusMessageIter *iter, void *user_data)
1166 {
1167         struct g_supplicant_bss *bss = user_data;
1168         dbus_uint32_t rate = 0;
1169
1170         dbus_message_iter_get_basic(iter, &rate);
1171         if (rate == 0)
1172                 return;
1173
1174         if (rate > bss->maxrate)
1175                 bss->maxrate = rate;
1176 }
1177
1178 static void bss_keymgmt(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; keymgmt_map[i].str != NULL; i++)
1189                 if (strcmp(str, keymgmt_map[i].str) == 0) {
1190                         bss->keymgmt |= keymgmt_map[i].val;
1191                         break;
1192                 }
1193 }
1194
1195 static void bss_group(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; group_map[i].str != NULL; i++)
1206                 if (strcmp(str, group_map[i].str) == 0) {
1207                         bss->group |= group_map[i].val;
1208                         break;
1209                 }
1210 }
1211
1212 static void bss_pairwise(DBusMessageIter *iter, void *user_data)
1213 {
1214         struct g_supplicant_bss *bss = user_data;
1215         const char *str = NULL;
1216         int i;
1217
1218         dbus_message_iter_get_basic(iter, &str);
1219         if (str == NULL)
1220                 return;
1221
1222         for (i = 0; pairwise_map[i].str != NULL; i++)
1223                 if (strcmp(str, pairwise_map[i].str) == 0) {
1224                         bss->pairwise |= pairwise_map[i].val;
1225                         break;
1226                 }
1227 }
1228
1229 static void bss_wpa(const char *key, DBusMessageIter *iter,
1230                         void *user_data)
1231 {
1232         if (g_strcmp0(key, "KeyMgmt") == 0)
1233                 supplicant_dbus_array_foreach(iter, bss_keymgmt, user_data);
1234         else if (g_strcmp0(key, "Group") == 0)
1235                 supplicant_dbus_array_foreach(iter, bss_group, user_data);
1236         else if (g_strcmp0(key, "Pairwise") == 0)
1237                 supplicant_dbus_array_foreach(iter, bss_pairwise, user_data);
1238
1239 }
1240
1241 static unsigned int get_tlv(unsigned char *ie, unsigned int ie_size,
1242                                                         unsigned int type)
1243 {
1244         unsigned int len = 0;
1245
1246         while (len + 4 < ie_size) {
1247                 unsigned int hi = ie[len];
1248                 unsigned int lo = ie[len + 1];
1249                 unsigned int tmp_type = (hi << 8) + lo;
1250                 unsigned int v_len = 0;
1251
1252                 /* hi and lo are used to recreate an unsigned int
1253                  * based on 2 8bits length unsigned int. */
1254
1255                 hi = ie[len + 2];
1256                 lo = ie[len + 3];
1257                 v_len = (hi << 8) + lo;
1258
1259                 if (tmp_type == type) {
1260                         unsigned int ret_value = 0;
1261                         unsigned char *value = (unsigned char *)&ret_value;
1262
1263                         SUPPLICANT_DBG("IE: match type 0x%x", type);
1264
1265                         /* Verifying length relevance */
1266                         if (v_len > sizeof(unsigned int) ||
1267                                 len + 4 + v_len > ie_size)
1268                                 break;
1269
1270                         memcpy(value, ie + len + 4, v_len);
1271
1272                         SUPPLICANT_DBG("returning 0x%x", ret_value);
1273                         return ret_value;
1274                 }
1275
1276                 len += v_len + 4;
1277         }
1278
1279         SUPPLICANT_DBG("returning 0");
1280         return 0;
1281 }
1282
1283 static void bss_process_ies(DBusMessageIter *iter, void *user_data)
1284 {
1285         struct g_supplicant_bss *bss = user_data;
1286         const unsigned char WPS_OUI[] = { 0x00, 0x50, 0xf2, 0x04 };
1287         unsigned char *ie, *ie_end;
1288         DBusMessageIter array;
1289         unsigned int value;
1290         int ie_len;
1291
1292 #define WMM_WPA1_WPS_INFO 221
1293 #define WPS_INFO_MIN_LEN  6
1294 #define WPS_VERSION_TLV   0x104A
1295 #define WPS_STATE_TLV     0x1044
1296 #define WPS_METHODS_TLV   0x1012
1297 #define WPS_REGISTRAR_TLV 0x1041
1298 #define WPS_VERSION       0x10
1299 #define WPS_PBC           0x04
1300 #define WPS_PIN           0x00
1301 #define WPS_CONFIGURED    0x02
1302
1303         dbus_message_iter_recurse(iter, &array);
1304         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
1305
1306         if (ie == NULL || ie_len < 2)
1307                 return;
1308
1309         for (ie_end = ie + ie_len; ie < ie_end && ie + ie[1] + 1 <= ie_end;
1310                                                         ie += ie[1] + 2) {
1311
1312                 if (ie[0] != WMM_WPA1_WPS_INFO || ie[1] < WPS_INFO_MIN_LEN ||
1313                         memcmp(ie+2, WPS_OUI, sizeof(WPS_OUI)) != 0)
1314                         continue;
1315
1316                 SUPPLICANT_DBG("IE: match WPS_OUI");
1317
1318                 value = get_tlv(&ie[6], ie[1], WPS_STATE_TLV);
1319                 if (get_tlv(&ie[6], ie[1], WPS_VERSION_TLV) == WPS_VERSION &&
1320                                                                 value != 0) {
1321                         bss->keymgmt |= G_SUPPLICANT_KEYMGMT_WPS;
1322
1323                         if (value == WPS_CONFIGURED)
1324                                 bss->wps_capabilities |=
1325                                         G_SUPPLICANT_WPS_CONFIGURED;
1326                 }
1327
1328                 value = get_tlv(&ie[6], ie[1], WPS_METHODS_TLV);
1329                 if (value != 0) {
1330                         if (GUINT16_FROM_BE(value) == WPS_PBC)
1331                                 bss->wps_capabilities |= G_SUPPLICANT_WPS_PBC;
1332                         if (GUINT16_FROM_BE(value) == WPS_PIN)
1333                                 bss->wps_capabilities |= G_SUPPLICANT_WPS_PIN;
1334                 } else
1335                         bss->wps_capabilities |=
1336                                 G_SUPPLICANT_WPS_PBC | G_SUPPLICANT_WPS_PIN;
1337
1338                 /* If the AP sends this it means it's advertizing
1339                  * as a registrar and the WPS process is launched
1340                  * on its side */
1341                 if (get_tlv(&ie[6], ie[1], WPS_REGISTRAR_TLV) != 0)
1342                         bss->wps_capabilities |= G_SUPPLICANT_WPS_REGISTRAR;
1343
1344                 SUPPLICANT_DBG("WPS Methods 0x%x", bss->wps_capabilities);
1345         }
1346 }
1347
1348 static void bss_property(const char *key, DBusMessageIter *iter,
1349                                                         void *user_data)
1350 {
1351         struct g_supplicant_bss *bss = user_data;
1352
1353         if (bss->interface == NULL)
1354                 return;
1355
1356         SUPPLICANT_DBG("key %s", key);
1357
1358         if (key == NULL) {
1359                 if (bss->ieee8021x == TRUE)
1360                         bss->security = G_SUPPLICANT_SECURITY_IEEE8021X;
1361                 else if (bss->psk == TRUE)
1362                         bss->security = G_SUPPLICANT_SECURITY_PSK;
1363                 else if (bss->privacy == TRUE)
1364                         bss->security = G_SUPPLICANT_SECURITY_WEP;
1365                 else
1366                         bss->security = G_SUPPLICANT_SECURITY_NONE;
1367
1368                 add_bss_to_network(bss);
1369                 return;
1370         }
1371
1372         if (g_strcmp0(key, "BSSID") == 0) {
1373                 DBusMessageIter array;
1374                 unsigned char *addr;
1375                 int addr_len;
1376
1377                 dbus_message_iter_recurse(iter, &array);
1378                 dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
1379
1380                 if (addr_len == 6)
1381                         memcpy(bss->bssid, addr, addr_len);
1382         } else if (g_strcmp0(key, "SSID") == 0) {
1383                 DBusMessageIter array;
1384                 unsigned char *ssid;
1385                 int ssid_len;
1386
1387                 dbus_message_iter_recurse(iter, &array);
1388                 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
1389
1390                 if (ssid_len > 0 && ssid_len < 33) {
1391                         memcpy(bss->ssid, ssid, ssid_len);
1392                         bss->ssid_len = ssid_len;
1393                 } else {
1394                         memset(bss->ssid, 0, sizeof(bss->ssid));
1395                         bss->ssid_len = 0;
1396                 }
1397         } else if (g_strcmp0(key, "Capabilities") == 0) {
1398                 dbus_uint16_t capabilities = 0x0000;
1399
1400                 dbus_message_iter_get_basic(iter, &capabilities);
1401
1402                 if (capabilities & IEEE80211_CAP_ESS)
1403                         bss->mode = G_SUPPLICANT_MODE_INFRA;
1404                 else if (capabilities & IEEE80211_CAP_IBSS)
1405                         bss->mode = G_SUPPLICANT_MODE_IBSS;
1406
1407                 if (capabilities & IEEE80211_CAP_PRIVACY)
1408                         bss->privacy = TRUE;
1409         } else if (g_strcmp0(key, "Mode") == 0) {
1410                 const char *mode = NULL;
1411
1412                 dbus_message_iter_get_basic(iter, &mode);
1413                 bss->mode = string2mode(mode);
1414         } else if (g_strcmp0(key, "Frequency") == 0) {
1415                 dbus_uint16_t frequency = 0;
1416
1417                 dbus_message_iter_get_basic(iter, &frequency);
1418                 bss->frequency = frequency;
1419         } else if (g_strcmp0(key, "Signal") == 0) {
1420                 dbus_int16_t signal = 0;
1421
1422                 dbus_message_iter_get_basic(iter, &signal);
1423
1424                 bss->signal = signal;
1425         } else if (g_strcmp0(key, "Level") == 0) {
1426                 dbus_int32_t level = 0;
1427
1428                 dbus_message_iter_get_basic(iter, &level);
1429         } else if (g_strcmp0(key, "Rates") == 0) {
1430                 supplicant_dbus_array_foreach(iter, bss_rates, bss);
1431         } else if (g_strcmp0(key, "MaxRate") == 0) {
1432                 dbus_uint32_t maxrate = 0;
1433
1434                 dbus_message_iter_get_basic(iter, &maxrate);
1435                 if (maxrate != 0)
1436                         bss->maxrate = maxrate;
1437         } else if (g_strcmp0(key, "Privacy") == 0) {
1438                 dbus_bool_t privacy = FALSE;
1439
1440                 dbus_message_iter_get_basic(iter, &privacy);
1441                 bss->privacy = privacy;
1442         } else if ((g_strcmp0(key, "RSN") == 0) ||
1443                         (g_strcmp0(key, "WPA") == 0)) {
1444                 supplicant_dbus_property_foreach(iter, bss_wpa, bss);
1445
1446                 if (bss->keymgmt &
1447                         (G_SUPPLICANT_KEYMGMT_WPA_EAP |
1448                                 G_SUPPLICANT_KEYMGMT_WPA_FT_EAP |
1449                                 G_SUPPLICANT_KEYMGMT_WPA_EAP_256))
1450                         bss->ieee8021x = TRUE;
1451
1452                 if (bss->keymgmt &
1453                         (G_SUPPLICANT_KEYMGMT_WPA_PSK |
1454                                 G_SUPPLICANT_KEYMGMT_WPA_FT_PSK |
1455                                 G_SUPPLICANT_KEYMGMT_WPA_PSK_256))
1456                         bss->psk = TRUE;
1457         } else if (g_strcmp0(key, "IEs") == 0)
1458                 bss_process_ies(iter, bss);
1459         else
1460                 SUPPLICANT_DBG("key %s type %c",
1461                                 key, dbus_message_iter_get_arg_type(iter));
1462 }
1463
1464 static struct g_supplicant_bss *interface_bss_added(DBusMessageIter *iter,
1465                                                         void *user_data)
1466 {
1467         GSupplicantInterface *interface = user_data;
1468         GSupplicantNetwork *network;
1469         struct g_supplicant_bss *bss;
1470         const char *path = NULL;
1471
1472         SUPPLICANT_DBG("");
1473
1474         dbus_message_iter_get_basic(iter, &path);
1475         if (path == NULL)
1476                 return NULL;
1477
1478         if (g_strcmp0(path, "/") == 0)
1479                 return NULL;
1480
1481         SUPPLICANT_DBG("%s", path);
1482
1483         network = g_hash_table_lookup(interface->bss_mapping, path);
1484         if (network != NULL) {
1485                 bss = g_hash_table_lookup(network->bss_table, path);
1486                 if (bss != NULL)
1487                         return NULL;
1488         }
1489
1490         bss = g_try_new0(struct g_supplicant_bss, 1);
1491         if (bss == NULL)
1492                 return NULL;
1493
1494         bss->interface = interface;
1495         bss->path = g_strdup(path);
1496
1497         return bss;
1498 }
1499
1500 static void interface_bss_added_with_keys(DBusMessageIter *iter,
1501                                                 void *user_data)
1502 {
1503         struct g_supplicant_bss *bss;
1504
1505         SUPPLICANT_DBG("");
1506
1507         bss = interface_bss_added(iter, user_data);
1508         if (bss == NULL)
1509                 return;
1510
1511         dbus_message_iter_next(iter);
1512
1513         if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_INVALID)
1514                 return;
1515
1516         supplicant_dbus_property_foreach(iter, bss_property, bss);
1517         bss_property(NULL, NULL, bss);
1518 }
1519
1520 static void interface_bss_added_without_keys(DBusMessageIter *iter,
1521                                                 void *user_data)
1522 {
1523         struct g_supplicant_bss *bss;
1524
1525         SUPPLICANT_DBG("");
1526
1527         bss = interface_bss_added(iter, user_data);
1528         if (bss == NULL)
1529                 return;
1530
1531         supplicant_dbus_property_get_all(bss->path,
1532                                         SUPPLICANT_INTERFACE ".BSS",
1533                                                         bss_property, bss);
1534 }
1535
1536 static void update_signal(gpointer key, gpointer value,
1537                                                 gpointer user_data)
1538 {
1539         struct g_supplicant_bss *bss = value;
1540         GSupplicantNetwork *network = user_data;
1541
1542         if (bss->signal > network->signal) {
1543                 network->signal = bss->signal;
1544                 network->best_bss = bss;
1545         }
1546 }
1547
1548 static void update_network_signal(GSupplicantNetwork *network)
1549 {
1550         if (g_hash_table_size(network->bss_table) <= 1)
1551                 return;
1552
1553         g_hash_table_foreach(network->bss_table,
1554                                 update_signal, network);
1555
1556         SUPPLICANT_DBG("New network signal %d", network->signal);
1557 }
1558
1559 static void interface_bss_removed(DBusMessageIter *iter, void *user_data)
1560 {
1561         GSupplicantInterface *interface = user_data;
1562         GSupplicantNetwork *network;
1563         const char *path = NULL;
1564
1565         dbus_message_iter_get_basic(iter, &path);
1566         if (path == NULL)
1567                 return;
1568
1569         network = g_hash_table_lookup(interface->bss_mapping, path);
1570         if (network == NULL)
1571                 return;
1572
1573         g_hash_table_remove(bss_mapping, path);
1574
1575         g_hash_table_remove(interface->bss_mapping, path);
1576         g_hash_table_remove(network->bss_table, path);
1577
1578         update_network_signal(network);
1579
1580         if (g_hash_table_size(network->bss_table) == 0)
1581                 g_hash_table_remove(interface->network_table, network->group);
1582 }
1583
1584 static void interface_property(const char *key, DBusMessageIter *iter,
1585                                                         void *user_data)
1586 {
1587         GSupplicantInterface *interface = user_data;
1588
1589         if (interface == NULL)
1590                 return;
1591
1592         SUPPLICANT_DBG("%s", key);
1593
1594         if (key == NULL) {
1595                 debug_strvalmap("KeyMgmt capability", keymgmt_map,
1596                                                 interface->keymgmt_capa);
1597                 debug_strvalmap("AuthAlg capability", authalg_capa_map,
1598                                                 interface->authalg_capa);
1599                 debug_strvalmap("Protocol capability", proto_capa_map,
1600                                                 interface->proto_capa);
1601                 debug_strvalmap("Pairwise capability", pairwise_map,
1602                                                 interface->pairwise_capa);
1603                 debug_strvalmap("Group capability", group_map,
1604                                                 interface->group_capa);
1605                 debug_strvalmap("Scan capability", scan_capa_map,
1606                                                 interface->scan_capa);
1607                 debug_strvalmap("Mode capability", mode_capa_map,
1608                                                 interface->mode_capa);
1609
1610                 interface->ready = TRUE;
1611                 callback_interface_added(interface);
1612                 return;
1613         }
1614
1615         if (g_strcmp0(key, "Capabilities") == 0) {
1616                 supplicant_dbus_property_foreach(iter, interface_capability,
1617                                                                 interface);
1618         } else if (g_strcmp0(key, "State") == 0) {
1619                 const char *str = NULL;
1620
1621                 dbus_message_iter_get_basic(iter, &str);
1622                 if (str != NULL)
1623                         if (string2state(str) != interface->state) {
1624                                 interface->state = string2state(str);
1625                                 callback_interface_state(interface);
1626                         }
1627
1628                 SUPPLICANT_DBG("state %s (%d)", str, interface->state);
1629         } else if (g_strcmp0(key, "Scanning") == 0) {
1630                 dbus_bool_t scanning = FALSE;
1631
1632                 dbus_message_iter_get_basic(iter, &scanning);
1633                 interface->scanning = scanning;
1634
1635                 if (interface->ready == TRUE) {
1636                         if (interface->scanning == TRUE)
1637                                 callback_scan_started(interface);
1638                         else
1639                                 callback_scan_finished(interface);
1640                 }
1641         } else if (g_strcmp0(key, "ApScan") == 0) {
1642                 int apscan = 1;
1643
1644                 dbus_message_iter_get_basic(iter, &apscan);
1645                 interface->apscan = apscan;
1646         } else if (g_strcmp0(key, "Ifname") == 0) {
1647                 const char *str = NULL;
1648
1649                 dbus_message_iter_get_basic(iter, &str);
1650                 if (str != NULL) {
1651                         g_free(interface->ifname);
1652                         interface->ifname = g_strdup(str);
1653                 }
1654         } else if (g_strcmp0(key, "Driver") == 0) {
1655                 const char *str = NULL;
1656
1657                 dbus_message_iter_get_basic(iter, &str);
1658                 if (str != NULL) {
1659                         g_free(interface->driver);
1660                         interface->driver = g_strdup(str);
1661                 }
1662         } else if (g_strcmp0(key, "BridgeIfname") == 0) {
1663                 const char *str = NULL;
1664
1665                 dbus_message_iter_get_basic(iter, &str);
1666                 if (str != NULL) {
1667                         g_free(interface->bridge);
1668                         interface->bridge = g_strdup(str);
1669                 }
1670         } else if (g_strcmp0(key, "CurrentBSS") == 0) {
1671                 interface_bss_added_without_keys(iter, interface);
1672         } else if (g_strcmp0(key, "CurrentNetwork") == 0) {
1673                 interface_network_added(iter, interface);
1674         } else if (g_strcmp0(key, "BSSs") == 0) {
1675                 supplicant_dbus_array_foreach(iter, interface_bss_added_without_keys,
1676                                                                 interface);
1677         } else if (g_strcmp0(key, "Blobs") == 0) {
1678                 /* Nothing */
1679         } else if (g_strcmp0(key, "Networks") == 0) {
1680                 supplicant_dbus_array_foreach(iter, interface_network_added,
1681                                                                 interface);
1682         } else
1683                 SUPPLICANT_DBG("key %s type %c",
1684                                 key, dbus_message_iter_get_arg_type(iter));
1685 }
1686
1687 static void scan_network_update(DBusMessageIter *iter, void *user_data)
1688 {
1689         GSupplicantInterface *interface = user_data;
1690         GSupplicantNetwork *network;
1691         char *path;
1692
1693         if (iter == NULL)
1694                 return;
1695
1696         dbus_message_iter_get_basic(iter, &path);
1697
1698         if (path == NULL)
1699                 return;
1700
1701         if (g_strcmp0(path, "/") == 0)
1702                 return;
1703
1704         /* Update the network details based on scan BSS data */
1705         network = g_hash_table_lookup(interface->bss_mapping, path);
1706         if (network != NULL)
1707                 callback_network_added(network);
1708 }
1709
1710 static void scan_bss_data(const char *key, DBusMessageIter *iter,
1711                                 void *user_data)
1712 {
1713         GSupplicantInterface *interface = user_data;
1714
1715         if (iter)
1716                 supplicant_dbus_array_foreach(iter, scan_network_update,
1717                                                 interface);
1718
1719         if (interface->scan_callback != NULL)
1720                 interface->scan_callback(0, interface, interface->scan_data);
1721
1722         interface->scan_callback = NULL;
1723         interface->scan_data = NULL;
1724 }
1725
1726 static GSupplicantInterface *interface_alloc(const char *path)
1727 {
1728         GSupplicantInterface *interface;
1729
1730         interface = g_try_new0(GSupplicantInterface, 1);
1731         if (interface == NULL)
1732                 return NULL;
1733
1734         interface->path = g_strdup(path);
1735
1736         interface->network_table = g_hash_table_new_full(g_str_hash,
1737                                         g_str_equal, NULL, remove_network);
1738
1739         interface->net_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1740                                                                 NULL, NULL);
1741         interface->bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1742                                                                 NULL, NULL);
1743
1744         g_hash_table_replace(interface_table, interface->path, interface);
1745
1746         return interface;
1747 }
1748
1749 static void interface_added(DBusMessageIter *iter, void *user_data)
1750 {
1751         GSupplicantInterface *interface;
1752         const char *path = NULL;
1753
1754         SUPPLICANT_DBG("");
1755
1756         dbus_message_iter_get_basic(iter, &path);
1757         if (path == NULL)
1758                 return;
1759
1760         if (g_strcmp0(path, "/") == 0)
1761                 return;
1762
1763         interface = g_hash_table_lookup(interface_table, path);
1764         if (interface != NULL)
1765                 return;
1766
1767         interface = interface_alloc(path);
1768         if (interface == NULL)
1769                 return;
1770
1771         dbus_message_iter_next(iter);
1772         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_INVALID) {
1773                 supplicant_dbus_property_foreach(iter, interface_property,
1774                                                                 interface);
1775                 interface_property(NULL, NULL, interface);
1776                 return;
1777         }
1778
1779         supplicant_dbus_property_get_all(path,
1780                                         SUPPLICANT_INTERFACE ".Interface",
1781                                                 interface_property, interface);
1782 }
1783
1784 static void interface_removed(DBusMessageIter *iter, void *user_data)
1785 {
1786         const char *path = NULL;
1787
1788         dbus_message_iter_get_basic(iter, &path);
1789         if (path == NULL)
1790                 return;
1791
1792         g_hash_table_remove(interface_table, path);
1793 }
1794
1795 static void eap_method(DBusMessageIter *iter, void *user_data)
1796 {
1797         const char *str = NULL;
1798         int i;
1799
1800         dbus_message_iter_get_basic(iter, &str);
1801         if (str == NULL)
1802                 return;
1803
1804         for (i = 0; eap_method_map[i].str != NULL; i++)
1805                 if (strcmp(str, eap_method_map[i].str) == 0) {
1806                         eap_methods |= eap_method_map[i].val;
1807                         break;
1808                 }
1809 }
1810
1811 static void service_property(const char *key, DBusMessageIter *iter,
1812                                                         void *user_data)
1813 {
1814         if (key == NULL) {
1815                 callback_system_ready();
1816                 return;
1817         }
1818
1819         if (g_strcmp0(key, "DebugLevel") == 0) {
1820                 const char *str = NULL;
1821                 int i;
1822
1823                 dbus_message_iter_get_basic(iter, &str);
1824                 for (i = 0; debug_strings[i] != NULL; i++)
1825                         if (g_strcmp0(debug_strings[i], str) == 0) {
1826                                 debug_level = i;
1827                                 break;
1828                         }
1829                 SUPPLICANT_DBG("Debug level %d", debug_level);
1830         } else if (g_strcmp0(key, "DebugTimestamp") == 0) {
1831                 dbus_message_iter_get_basic(iter, &debug_timestamp);
1832                 SUPPLICANT_DBG("Debug timestamp %u", debug_timestamp);
1833         } else if (g_strcmp0(key, "DebugShowKeys") == 0) {
1834                 dbus_message_iter_get_basic(iter, &debug_showkeys);
1835                 SUPPLICANT_DBG("Debug show keys %u", debug_showkeys);
1836         } else if (g_strcmp0(key, "Interfaces") == 0) {
1837                 supplicant_dbus_array_foreach(iter, interface_added, NULL);
1838         } else if (g_strcmp0(key, "EapMethods") == 0) {
1839                 supplicant_dbus_array_foreach(iter, eap_method, NULL);
1840                 debug_strvalmap("EAP method", eap_method_map, eap_methods);
1841         } else if (g_strcmp0(key, "Country") == 0) {
1842                 const char *country = NULL;
1843
1844                 dbus_message_iter_get_basic(iter, &country);
1845                 SUPPLICANT_DBG("Country %s", country);
1846         } else
1847                 SUPPLICANT_DBG("key %s type %c",
1848                                 key, dbus_message_iter_get_arg_type(iter));
1849 }
1850
1851 static void signal_name_owner_changed(const char *path, DBusMessageIter *iter)
1852 {
1853         const char *name = NULL, *old = NULL, *new = NULL;
1854
1855         SUPPLICANT_DBG("");
1856
1857         if (g_strcmp0(path, DBUS_PATH_DBUS) != 0)
1858                 return;
1859
1860         dbus_message_iter_get_basic(iter, &name);
1861         if (name == NULL)
1862                 return;
1863
1864         if (g_strcmp0(name, SUPPLICANT_SERVICE) != 0)
1865                 return;
1866
1867         dbus_message_iter_next(iter);
1868         dbus_message_iter_get_basic(iter, &old);
1869         dbus_message_iter_next(iter);
1870         dbus_message_iter_get_basic(iter, &new);
1871
1872         if (old == NULL || new == NULL)
1873                 return;
1874
1875         if (strlen(old) > 0 && strlen(new) == 0) {
1876                 system_available = FALSE;
1877                 g_hash_table_remove_all(bss_mapping);
1878                 g_hash_table_remove_all(interface_table);
1879                 callback_system_killed();
1880         }
1881
1882         if (strlen(new) > 0 && strlen(old) == 0) {
1883                 system_available = TRUE;
1884                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
1885                                                         SUPPLICANT_INTERFACE,
1886                                                         service_property, NULL);
1887         }
1888 }
1889
1890 static void signal_properties_changed(const char *path, DBusMessageIter *iter)
1891 {
1892         SUPPLICANT_DBG("");
1893
1894         if (g_strcmp0(path, SUPPLICANT_PATH) != 0)
1895                 return;
1896
1897         supplicant_dbus_property_foreach(iter, service_property, NULL);
1898 }
1899
1900 static void signal_interface_added(const char *path, DBusMessageIter *iter)
1901 {
1902         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
1903
1904         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
1905                 interface_added(iter, NULL);
1906 }
1907
1908 static void signal_interface_removed(const char *path, DBusMessageIter *iter)
1909 {
1910         SUPPLICANT_DBG("");
1911
1912         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
1913                 interface_removed(iter, NULL);
1914 }
1915
1916 static void signal_interface_changed(const char *path, DBusMessageIter *iter)
1917 {
1918         GSupplicantInterface *interface;
1919
1920         SUPPLICANT_DBG("");
1921
1922         interface = g_hash_table_lookup(interface_table, path);
1923         if (interface == NULL)
1924                 return;
1925
1926         supplicant_dbus_property_foreach(iter, interface_property, interface);
1927 }
1928
1929 static void signal_scan_done(const char *path, DBusMessageIter *iter)
1930 {
1931         GSupplicantInterface *interface;
1932         dbus_bool_t success = FALSE;
1933
1934         SUPPLICANT_DBG("");
1935
1936         interface = g_hash_table_lookup(interface_table, path);
1937         if (interface == NULL)
1938                 return;
1939
1940         dbus_message_iter_get_basic(iter, &success);
1941
1942         /*
1943          * If scan is unsuccessful return -EIO else get the scanned BSSs
1944          * and update the network details accordingly
1945          */
1946         if (success == FALSE) {
1947                 if (interface->scan_callback != NULL)
1948                         interface->scan_callback(-EIO, interface,
1949                                                 interface->scan_data);
1950
1951                 interface->scan_callback = NULL;
1952                 interface->scan_data = NULL;
1953
1954                 return;
1955         }
1956
1957         supplicant_dbus_property_get(path, SUPPLICANT_INTERFACE ".Interface",
1958                                         "BSSs", scan_bss_data, interface);
1959 }
1960
1961 static void signal_bss_added(const char *path, DBusMessageIter *iter)
1962 {
1963         GSupplicantInterface *interface;
1964
1965         SUPPLICANT_DBG("");
1966
1967         interface = g_hash_table_lookup(interface_table, path);
1968         if (interface == NULL)
1969                 return;
1970
1971         interface_bss_added_with_keys(iter, interface);
1972 }
1973
1974 static void signal_bss_removed(const char *path, DBusMessageIter *iter)
1975 {
1976         GSupplicantInterface *interface;
1977
1978         SUPPLICANT_DBG("");
1979
1980         interface = g_hash_table_lookup(interface_table, path);
1981         if (interface == NULL)
1982                 return;
1983
1984         interface_bss_removed(iter, interface);
1985 }
1986
1987 static void signal_network_added(const char *path, DBusMessageIter *iter)
1988 {
1989         GSupplicantInterface *interface;
1990
1991         SUPPLICANT_DBG("");
1992
1993         interface = g_hash_table_lookup(interface_table, path);
1994         if (interface == NULL)
1995                 return;
1996
1997         interface_network_added(iter, interface);
1998 }
1999
2000 static void signal_network_removed(const char *path, DBusMessageIter *iter)
2001 {
2002         GSupplicantInterface *interface;
2003
2004         SUPPLICANT_DBG("");
2005
2006         interface = g_hash_table_lookup(interface_table, path);
2007         if (interface == NULL)
2008                 return;
2009
2010         interface_network_removed(iter, interface);
2011 }
2012
2013 static void signal_bss_changed(const char *path, DBusMessageIter *iter)
2014 {
2015         GSupplicantInterface *interface;
2016         GSupplicantNetwork *network;
2017         struct g_supplicant_bss *bss;
2018
2019         SUPPLICANT_DBG("");
2020
2021         interface = g_hash_table_lookup(bss_mapping, path);
2022         if (interface == NULL)
2023                 return;
2024
2025         network = g_hash_table_lookup(interface->bss_mapping, path);
2026         if (network == NULL)
2027                 return;
2028
2029         bss = g_hash_table_lookup(network->bss_table, path);
2030         if (bss == NULL)
2031                 return;
2032
2033         supplicant_dbus_property_foreach(iter, bss_property, bss);
2034
2035         if (bss->signal == network->signal)
2036                 return;
2037
2038         /*
2039          * If the new signal is lower than the SSID signal, we need
2040          * to check for the new maximum.
2041          */
2042         if (bss->signal < network->signal) {
2043                 if (bss != network->best_bss)
2044                         return;
2045                 network->signal = bss->signal;
2046                 update_network_signal(network);
2047         } else {
2048                 network->signal = bss->signal;
2049                 network->best_bss = bss;
2050         }
2051
2052         SUPPLICANT_DBG("New network signal for %s %d dBm", network->ssid, network->signal);
2053
2054         callback_network_changed(network, "Signal");
2055 }
2056
2057 static void wps_credentials(const char *key, DBusMessageIter *iter,
2058                         void *user_data)
2059 {
2060         GSupplicantInterface *interface = user_data;
2061
2062         if (key == NULL)
2063                 return;
2064
2065         SUPPLICANT_DBG("key %s", key);
2066
2067         if (g_strcmp0(key, "Key") == 0) {
2068                 DBusMessageIter array;
2069                 unsigned char *key;
2070                 int key_len;
2071
2072                 dbus_message_iter_recurse(iter, &array);
2073                 dbus_message_iter_get_fixed_array(&array, &key, &key_len);
2074
2075                 g_free(interface->wps_cred.key);
2076                 interface->wps_cred.key = g_try_malloc0(
2077                                                 sizeof(char) * key_len+1);
2078
2079                 if (interface->wps_cred.key == NULL)
2080                         return;
2081
2082                 memcpy(interface->wps_cred.key, key, sizeof(char) * key_len);
2083
2084                 SUPPLICANT_DBG("WPS key present");
2085         } else if (g_strcmp0(key, "SSID") == 0) {
2086                 DBusMessageIter array;
2087                 unsigned char *ssid;
2088                 int ssid_len;
2089
2090                 dbus_message_iter_recurse(iter, &array);
2091                 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
2092
2093                 if (ssid_len > 0 && ssid_len < 33) {
2094                         memcpy(interface->wps_cred.ssid, ssid, ssid_len);
2095                         interface->wps_cred.ssid_len = ssid_len;
2096                 } else {
2097                         memset(interface->wps_cred.ssid, 0, 32);
2098                         interface->wps_cred.ssid_len = 0;
2099                 }
2100         }
2101 }
2102
2103 static void signal_wps_credentials(const char *path, DBusMessageIter *iter)
2104 {
2105         GSupplicantInterface *interface;
2106
2107         SUPPLICANT_DBG("");
2108
2109         interface = g_hash_table_lookup(interface_table, path);
2110         if (interface == NULL)
2111                 return;
2112
2113         supplicant_dbus_property_foreach(iter, wps_credentials, interface);
2114 }
2115
2116 static void wps_event_args(const char *key, DBusMessageIter *iter,
2117                         void *user_data)
2118 {
2119         GSupplicantInterface *interface = user_data;
2120
2121         if (key == NULL || interface == NULL)
2122                 return;
2123
2124         SUPPLICANT_DBG("Arg Key %s", key);
2125 }
2126
2127 static void signal_wps_event(const char *path, DBusMessageIter *iter)
2128 {
2129         GSupplicantInterface *interface;
2130         const char *name = NULL;
2131
2132         SUPPLICANT_DBG("");
2133
2134         interface = g_hash_table_lookup(interface_table, path);
2135         if (interface == NULL)
2136                 return;
2137
2138         dbus_message_iter_get_basic(iter, &name);
2139
2140         SUPPLICANT_DBG("Name: %s", name);
2141
2142         if (g_strcmp0(name, "success") == 0)
2143                 interface->wps_state = G_SUPPLICANT_WPS_STATE_SUCCESS;
2144         else if (g_strcmp0(name, "failed") == 0)
2145                 interface->wps_state = G_SUPPLICANT_WPS_STATE_FAIL;
2146         else
2147                 interface->wps_state = G_SUPPLICANT_WPS_STATE_UNKNOWN;
2148
2149         if (!dbus_message_iter_has_next(iter))
2150                 return;
2151
2152         dbus_message_iter_next(iter);
2153
2154         supplicant_dbus_property_foreach(iter, wps_event_args, interface);
2155 }
2156
2157 static struct {
2158         const char *interface;
2159         const char *member;
2160         void (*function) (const char *path, DBusMessageIter *iter);
2161 } signal_map[] = {
2162         { DBUS_INTERFACE_DBUS,  "NameOwnerChanged",  signal_name_owner_changed },
2163
2164         { SUPPLICANT_INTERFACE, "PropertiesChanged", signal_properties_changed },
2165         { SUPPLICANT_INTERFACE, "InterfaceAdded",    signal_interface_added    },
2166         { SUPPLICANT_INTERFACE, "InterfaceCreated",  signal_interface_added    },
2167         { SUPPLICANT_INTERFACE, "InterfaceRemoved",  signal_interface_removed  },
2168
2169         { SUPPLICANT_INTERFACE ".Interface", "PropertiesChanged", signal_interface_changed },
2170         { SUPPLICANT_INTERFACE ".Interface", "ScanDone",          signal_scan_done         },
2171         { SUPPLICANT_INTERFACE ".Interface", "BSSAdded",          signal_bss_added         },
2172         { SUPPLICANT_INTERFACE ".Interface", "BSSRemoved",        signal_bss_removed       },
2173         { SUPPLICANT_INTERFACE ".Interface", "NetworkAdded",      signal_network_added     },
2174         { SUPPLICANT_INTERFACE ".Interface", "NetworkRemoved",    signal_network_removed   },
2175
2176         { SUPPLICANT_INTERFACE ".BSS", "PropertiesChanged", signal_bss_changed   },
2177
2178         { SUPPLICANT_INTERFACE ".Interface.WPS", "Credentials", signal_wps_credentials },
2179         { SUPPLICANT_INTERFACE ".Interface.WPS", "Event",       signal_wps_event       },
2180
2181         { }
2182 };
2183
2184 static DBusHandlerResult g_supplicant_filter(DBusConnection *conn,
2185                                         DBusMessage *message, void *data)
2186 {
2187         DBusMessageIter iter;
2188         const char *path;
2189         int i;
2190
2191         path = dbus_message_get_path(message);
2192         if (path == NULL)
2193                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2194
2195         if (dbus_message_iter_init(message, &iter) == FALSE)
2196                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2197
2198         for (i = 0; signal_map[i].interface != NULL; i++) {
2199                 if (dbus_message_has_interface(message,
2200                                         signal_map[i].interface) == FALSE)
2201                         continue;
2202
2203                 if (dbus_message_has_member(message,
2204                                         signal_map[i].member) == FALSE)
2205                         continue;
2206
2207                 signal_map[i].function(path, &iter);
2208                 break;
2209         }
2210
2211         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2212 }
2213
2214 struct supplicant_regdom {
2215         GSupplicantCountryCallback callback;
2216         const void *user_data;
2217 };
2218
2219 static void country_result(const char *error,
2220                                 DBusMessageIter *iter, void *user_data)
2221 {
2222         struct supplicant_regdom *regdom = user_data;
2223         char *alpha2;
2224
2225         SUPPLICANT_DBG("Country setting result");
2226
2227         if (user_data == NULL)
2228                 return;
2229
2230         if (error == NULL) {
2231                 alpha2 = (char *)regdom->user_data;
2232         } else {
2233                 SUPPLICANT_DBG("Country setting failure %s", error);
2234                 alpha2 = NULL;
2235         }
2236
2237         if (regdom->callback)
2238                 regdom->callback(alpha2);
2239
2240         g_free(regdom);
2241 }
2242
2243 static void country_params(DBusMessageIter *iter, void *user_data)
2244 {
2245         struct supplicant_regdom *regdom = user_data;
2246         const char *country;
2247
2248         country = regdom->user_data;
2249
2250         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &country);
2251 }
2252
2253 int g_supplicant_set_country(const char *alpha2,
2254                                 GSupplicantCountryCallback callback,
2255                                         const void *user_data)
2256 {
2257         struct supplicant_regdom *regdom;
2258
2259         SUPPLICANT_DBG("Country setting %s", alpha2);
2260
2261         if (system_available == FALSE)
2262                 return -EFAULT;
2263
2264         regdom = dbus_malloc0(sizeof(*regdom));
2265         if (regdom == NULL)
2266                 return -ENOMEM;
2267
2268         regdom->callback = callback;
2269         regdom->user_data = user_data;
2270
2271         return supplicant_dbus_property_set(SUPPLICANT_PATH, SUPPLICANT_INTERFACE,
2272                                         "Country", DBUS_TYPE_STRING_AS_STRING,
2273                                         country_params, country_result,
2274                                                 regdom);
2275 }
2276
2277 struct interface_data {
2278         GSupplicantInterface *interface;
2279         GSupplicantInterfaceCallback callback;
2280         void *user_data;
2281 };
2282
2283 struct interface_create_data {
2284         const char *ifname;
2285         const char *driver;
2286         const char *bridge;
2287         GSupplicantInterface *interface;
2288         GSupplicantInterfaceCallback callback;
2289         void *user_data;
2290 };
2291
2292 struct interface_connect_data {
2293         GSupplicantInterface *interface;
2294         GSupplicantInterfaceCallback callback;
2295         GSupplicantSSID *ssid;
2296         void *user_data;
2297 };
2298
2299 struct interface_scan_data {
2300         GSupplicantInterface *interface;
2301         GSupplicantInterfaceCallback callback;
2302         GSupplicantScanParams *scan_params;
2303         void *user_data;
2304 };
2305
2306 static void interface_create_property(const char *key, DBusMessageIter *iter,
2307                                                         void *user_data)
2308 {
2309         struct interface_create_data *data = user_data;
2310         GSupplicantInterface *interface = data->interface;
2311
2312         if (key == NULL) {
2313                 if (data->callback != NULL)
2314                         data->callback(0, data->interface, data->user_data);
2315
2316                 dbus_free(data);
2317         }
2318
2319         interface_property(key, iter, interface);
2320 }
2321
2322 static void interface_create_result(const char *error,
2323                                 DBusMessageIter *iter, void *user_data)
2324 {
2325         struct interface_create_data *data = user_data;
2326         const char *path = NULL;
2327         int err;
2328
2329         SUPPLICANT_DBG("");
2330
2331         if (error != NULL) {
2332                 g_critical("error %s", error);
2333                 err = -EIO;
2334                 goto done;
2335         }
2336
2337         dbus_message_iter_get_basic(iter, &path);
2338         if (path == NULL) {
2339                 err = -EINVAL;
2340                 goto done;
2341         }
2342
2343         if (system_available == FALSE) {
2344                 err = -EFAULT;
2345                 goto done;
2346         }
2347
2348         data->interface = g_hash_table_lookup(interface_table, path);
2349         if (data->interface == NULL) {
2350                 data->interface = interface_alloc(path);
2351                 if (data->interface == NULL) {
2352                         err = -ENOMEM;
2353                         goto done;
2354                 }
2355         }
2356
2357         err = supplicant_dbus_property_get_all(path,
2358                                         SUPPLICANT_INTERFACE ".Interface",
2359                                         interface_create_property, data);
2360         if (err == 0)
2361                 return;
2362
2363 done:
2364         if (data->callback != NULL)
2365                 data->callback(err, NULL, data->user_data);
2366
2367         dbus_free(data);
2368 }
2369
2370 static void interface_create_params(DBusMessageIter *iter, void *user_data)
2371 {
2372         struct interface_create_data *data = user_data;
2373         DBusMessageIter dict;
2374
2375         SUPPLICANT_DBG("");
2376
2377         supplicant_dbus_dict_open(iter, &dict);
2378
2379         supplicant_dbus_dict_append_basic(&dict, "Ifname",
2380                                         DBUS_TYPE_STRING, &data->ifname);
2381
2382         if (data->driver != NULL)
2383                 supplicant_dbus_dict_append_basic(&dict, "Driver",
2384                                         DBUS_TYPE_STRING, &data->driver);
2385
2386         if (data->bridge != NULL)
2387                 supplicant_dbus_dict_append_basic(&dict, "BridgeIfname",
2388                                         DBUS_TYPE_STRING, &data->bridge);
2389
2390         supplicant_dbus_dict_close(iter, &dict);
2391 }
2392
2393 static void interface_get_result(const char *error,
2394                                 DBusMessageIter *iter, void *user_data)
2395 {
2396         struct interface_create_data *data = user_data;
2397         GSupplicantInterface *interface;
2398         const char *path = NULL;
2399         int err;
2400
2401         SUPPLICANT_DBG("");
2402
2403         if (error != NULL) {
2404                 SUPPLICANT_DBG("Interface not created yet");
2405                 err = -EIO;
2406                 goto create;
2407         }
2408
2409         dbus_message_iter_get_basic(iter, &path);
2410         if (path == NULL) {
2411                 err = -EINVAL;
2412                 goto done;
2413         }
2414
2415         interface = g_hash_table_lookup(interface_table, path);
2416         if (interface == NULL) {
2417                 err = -ENOENT;
2418                 goto done;
2419         }
2420
2421         if (data->callback != NULL)
2422                 data->callback(0, interface, data->user_data);
2423
2424         dbus_free(data);
2425
2426         return;
2427
2428 create:
2429         if (system_available == FALSE) {
2430                 err = -EFAULT;
2431                 goto done;
2432         }
2433
2434         SUPPLICANT_DBG("Creating interface");
2435
2436         err = supplicant_dbus_method_call(SUPPLICANT_PATH,
2437                                                 SUPPLICANT_INTERFACE,
2438                                                 "CreateInterface",
2439                                                 interface_create_params,
2440                                                 interface_create_result, data);
2441         if (err == 0)
2442                 return;
2443
2444 done:
2445         if (data->callback != NULL)
2446                 data->callback(err, NULL, data->user_data);
2447
2448         dbus_free(data);
2449 }
2450
2451 static void interface_get_params(DBusMessageIter *iter, void *user_data)
2452 {
2453         struct interface_create_data *data = user_data;
2454
2455         SUPPLICANT_DBG("");
2456
2457         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &data->ifname);
2458 }
2459
2460 int g_supplicant_interface_create(const char *ifname, const char *driver,
2461                                         const char *bridge,
2462                                         GSupplicantInterfaceCallback callback,
2463                                                         void *user_data)
2464 {
2465         struct interface_create_data *data;
2466
2467         SUPPLICANT_DBG("ifname %s", ifname);
2468
2469         if (ifname == NULL)
2470                 return -EINVAL;
2471
2472         if (system_available == FALSE)
2473                 return -EFAULT;
2474
2475         data = dbus_malloc0(sizeof(*data));
2476         if (data == NULL)
2477                 return -ENOMEM;
2478
2479         data->ifname = ifname;
2480         data->driver = driver;
2481         data->bridge = bridge;
2482         data->callback = callback;
2483         data->user_data = user_data;
2484
2485         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2486                                                 SUPPLICANT_INTERFACE,
2487                                                 "GetInterface",
2488                                                 interface_get_params,
2489                                                 interface_get_result, data);
2490 }
2491
2492 static void interface_remove_result(const char *error,
2493                                 DBusMessageIter *iter, void *user_data)
2494 {
2495         struct interface_data *data = user_data;
2496         int err;
2497
2498         if (error != NULL) {
2499                 err = -EIO;
2500                 goto done;
2501         }
2502
2503         if (system_available == FALSE) {
2504                 err = -EFAULT;
2505                 goto done;
2506         }
2507
2508         /*
2509          * The gsupplicant interface is already freed by the InterfaceRemoved
2510          * signal callback. Simply invoke the interface_data callback.
2511          */
2512         err = 0;
2513
2514 done:
2515         if (data->callback != NULL)
2516                 data->callback(err, NULL, data->user_data);
2517
2518         dbus_free(data);
2519 }
2520
2521
2522 static void interface_remove_params(DBusMessageIter *iter, void *user_data)
2523 {
2524         struct interface_data *data = user_data;
2525
2526         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
2527                                                         &data->interface->path);
2528 }
2529
2530
2531 int g_supplicant_interface_remove(GSupplicantInterface *interface,
2532                         GSupplicantInterfaceCallback callback,
2533                                                         void *user_data)
2534 {
2535         struct interface_data *data;
2536
2537         if (interface == NULL)
2538                 return -EINVAL;
2539
2540         if (system_available == FALSE)
2541                 return -EFAULT;
2542
2543         data = dbus_malloc0(sizeof(*data));
2544         if (data == NULL)
2545                 return -ENOMEM;
2546
2547         data->interface = interface;
2548         data->callback = callback;
2549         data->user_data = user_data;
2550
2551         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2552                                                 SUPPLICANT_INTERFACE,
2553                                                 "RemoveInterface",
2554                                                 interface_remove_params,
2555                                                 interface_remove_result, data);
2556 }
2557
2558 static void interface_scan_result(const char *error,
2559                                 DBusMessageIter *iter, void *user_data)
2560 {
2561         struct interface_scan_data *data = user_data;
2562
2563         if (error != NULL) {
2564                 SUPPLICANT_DBG("error %s", error);
2565
2566                 if (data->callback != NULL)
2567                         data->callback(-EIO, data->interface, data->user_data);
2568         } else {
2569                 data->interface->scan_callback = data->callback;
2570                 data->interface->scan_data = data->user_data;
2571         }
2572
2573         if (data != NULL && data->scan_params != NULL)
2574                 g_free(data->scan_params);
2575
2576         dbus_free(data);
2577 }
2578
2579 static void add_scan_frequency(DBusMessageIter *iter, unsigned int freq)
2580 {
2581         DBusMessageIter data;
2582         unsigned int width = 0; /* Not used by wpa_supplicant atm */
2583
2584         dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &data);
2585
2586         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &freq);
2587         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &width);
2588
2589         dbus_message_iter_close_container(iter, &data);
2590 }
2591
2592 static void add_scan_frequencies(DBusMessageIter *iter,
2593                                                 void *user_data)
2594 {
2595         GSupplicantScanParams *scan_data = user_data;
2596         unsigned int freq;
2597         int i;
2598
2599         for (i = 0; i < G_SUPPLICANT_MAX_FAST_SCAN; i++) {
2600                 freq = scan_data->freqs[i];
2601                 if (!freq)
2602                         break;
2603
2604                 add_scan_frequency(iter, freq);
2605         }
2606 }
2607
2608 static void append_ssid(DBusMessageIter *iter,
2609                         const void *ssid, unsigned int len)
2610 {
2611         DBusMessageIter array;
2612
2613         dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
2614         DBUS_TYPE_BYTE_AS_STRING, &array);
2615
2616         dbus_message_iter_append_fixed_array(&array, DBUS_TYPE_BYTE,
2617                                                                 &ssid, len);
2618         dbus_message_iter_close_container(iter, &array);
2619 }
2620
2621 static void append_ssids(DBusMessageIter *iter, void *user_data)
2622 {
2623         GSupplicantScanParams *scan_data = user_data;
2624         int i;
2625
2626         for (i = 0; i < scan_data->num_ssids; i++)
2627                 append_ssid(iter, scan_data->ssids[i].ssid,
2628                                         scan_data->ssids[i].ssid_len);
2629 }
2630
2631 static void supplicant_add_scan_frequency(DBusMessageIter *dict,
2632                 supplicant_dbus_array_function function,
2633                                         void *user_data)
2634 {
2635         GSupplicantScanParams *scan_params = user_data;
2636         DBusMessageIter entry, value, array;
2637         const char *key = "Channels";
2638
2639         if (scan_params->freqs[0] != 0) {
2640                 dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
2641                                                 NULL, &entry);
2642
2643                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
2644
2645                 dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
2646                                         DBUS_TYPE_ARRAY_AS_STRING
2647                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2648                                         DBUS_TYPE_UINT32_AS_STRING
2649                                         DBUS_TYPE_UINT32_AS_STRING
2650                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2651                                         &value);
2652
2653                 dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
2654                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2655                                         DBUS_TYPE_UINT32_AS_STRING
2656                                         DBUS_TYPE_UINT32_AS_STRING
2657                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2658                                         &array);
2659
2660                 if (function)
2661                         function(&array, user_data);
2662
2663                 dbus_message_iter_close_container(&value, &array);
2664                 dbus_message_iter_close_container(&entry, &value);
2665                 dbus_message_iter_close_container(dict, &entry);
2666         }
2667 }
2668
2669 static void interface_scan_params(DBusMessageIter *iter, void *user_data)
2670 {
2671         DBusMessageIter dict;
2672         const char *type = "passive";
2673         struct interface_scan_data *data = user_data;
2674
2675         supplicant_dbus_dict_open(iter, &dict);
2676
2677         if (data && data->scan_params) {
2678                 type = "active";
2679
2680                 supplicant_dbus_dict_append_basic(&dict, "Type",
2681                                         DBUS_TYPE_STRING, &type);
2682
2683                 supplicant_dbus_dict_append_array(&dict, "SSIDs",
2684                                                 DBUS_TYPE_STRING,
2685                                                 append_ssids,
2686                                                 data->scan_params);
2687
2688                 supplicant_add_scan_frequency(&dict, add_scan_frequencies,
2689                                                 data->scan_params);
2690         } else
2691                 supplicant_dbus_dict_append_basic(&dict, "Type",
2692                                         DBUS_TYPE_STRING, &type);
2693
2694         supplicant_dbus_dict_close(iter, &dict);
2695 }
2696
2697 int g_supplicant_interface_scan(GSupplicantInterface *interface,
2698                                 GSupplicantScanParams *scan_data,
2699                                 GSupplicantInterfaceCallback callback,
2700                                                         void *user_data)
2701 {
2702         struct interface_scan_data *data;
2703         int ret;
2704
2705         if (interface == NULL)
2706                 return -EINVAL;
2707
2708         if (system_available == FALSE)
2709                 return -EFAULT;
2710
2711         if (interface->scanning == TRUE)
2712                 return -EALREADY;
2713
2714         switch (interface->state) {
2715         case G_SUPPLICANT_STATE_AUTHENTICATING:
2716         case G_SUPPLICANT_STATE_ASSOCIATING:
2717         case G_SUPPLICANT_STATE_ASSOCIATED:
2718         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2719         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2720                 return -EBUSY;
2721         case G_SUPPLICANT_STATE_UNKNOWN:
2722         case G_SUPPLICANT_STATE_DISCONNECTED:
2723         case G_SUPPLICANT_STATE_INACTIVE:
2724         case G_SUPPLICANT_STATE_SCANNING:
2725         case G_SUPPLICANT_STATE_COMPLETED:
2726                 break;
2727         }
2728
2729         data = dbus_malloc0(sizeof(*data));
2730         if (data == NULL)
2731                 return -ENOMEM;
2732
2733         data->interface = interface;
2734         data->callback = callback;
2735         data->user_data = user_data;
2736         data->scan_params = scan_data;
2737
2738         ret = supplicant_dbus_method_call(interface->path,
2739                         SUPPLICANT_INTERFACE ".Interface", "Scan",
2740                         interface_scan_params, interface_scan_result, data);
2741
2742         if (ret < 0)
2743                 dbus_free(data);
2744
2745         return ret;
2746 }
2747
2748 static int parse_supplicant_error(DBusMessageIter *iter)
2749 {
2750         int err = -ECANCELED;
2751         char *key;
2752
2753         /* If the given passphrase is malformed wpa_s returns
2754          * "invalid message format" but this error should be interpreted as
2755          * invalid-key.
2756          */
2757         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
2758                 dbus_message_iter_get_basic(iter, &key);
2759                 if (strncmp(key, "psk", 3) == 0 ||
2760                                 strncmp(key, "wep_key", 7) == 0 ||
2761                                 strcmp(key, "invalid message format") == 0) {
2762                         err = -ENOKEY;
2763                         break;
2764                 }
2765                 dbus_message_iter_next(iter);
2766         }
2767
2768         return err;
2769 }
2770
2771 static void interface_select_network_result(const char *error,
2772                                 DBusMessageIter *iter, void *user_data)
2773 {
2774         struct interface_connect_data *data = user_data;
2775         int err;
2776
2777         SUPPLICANT_DBG("");
2778
2779         err = 0;
2780         if (error != NULL) {
2781                 SUPPLICANT_DBG("SelectNetwork error %s", error);
2782                 err = parse_supplicant_error(iter);
2783         }
2784
2785         if (data->callback != NULL)
2786                 data->callback(err, data->interface, data->user_data);
2787
2788         g_free(data->ssid);
2789         dbus_free(data);
2790 }
2791
2792 static void interface_select_network_params(DBusMessageIter *iter,
2793                                                         void *user_data)
2794 {
2795         struct interface_connect_data *data = user_data;
2796         GSupplicantInterface *interface = data->interface;
2797
2798         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
2799                                         &interface->network_path);
2800 }
2801
2802 static void interface_add_network_result(const char *error,
2803                                 DBusMessageIter *iter, void *user_data)
2804 {
2805         struct interface_connect_data *data = user_data;
2806         GSupplicantInterface *interface = data->interface;
2807         const char *path;
2808         int err;
2809
2810         if (error != NULL)
2811                 goto error;
2812
2813         dbus_message_iter_get_basic(iter, &path);
2814         if (path == NULL)
2815                 goto error;
2816
2817         SUPPLICANT_DBG("PATH: %s", path);
2818
2819         g_free(interface->network_path);
2820         interface->network_path = g_strdup(path);
2821
2822         supplicant_dbus_method_call(data->interface->path,
2823                         SUPPLICANT_INTERFACE ".Interface", "SelectNetwork",
2824                         interface_select_network_params,
2825                         interface_select_network_result, data);
2826
2827         return;
2828
2829 error:
2830         SUPPLICANT_DBG("AddNetwork error %s", error);
2831         err = parse_supplicant_error(iter);
2832         if (data->callback != NULL)
2833                 data->callback(err, data->interface, data->user_data);
2834
2835         g_free(interface->network_path);
2836         interface->network_path = NULL;
2837         g_free(data->ssid);
2838         g_free(data);
2839 }
2840
2841 static void add_network_security_wep(DBusMessageIter *dict,
2842                                         GSupplicantSSID *ssid)
2843 {
2844         const char *auth_alg = "OPEN SHARED";
2845         const char *key_index = "0";
2846
2847         supplicant_dbus_dict_append_basic(dict, "auth_alg",
2848                                         DBUS_TYPE_STRING, &auth_alg);
2849
2850         if (ssid->passphrase) {
2851                 int size = strlen(ssid->passphrase);
2852                 if (size == 10 || size == 26) {
2853                         unsigned char *key = g_try_malloc(13);
2854                         char tmp[3];
2855                         int i;
2856
2857                         memset(tmp, 0, sizeof(tmp));
2858                         if (key == NULL)
2859                                 size = 0;
2860
2861                         for (i = 0; i < size / 2; i++) {
2862                                 memcpy(tmp, ssid->passphrase + (i * 2), 2);
2863                                 key[i] = (unsigned char) strtol(tmp, NULL, 16);
2864                         }
2865
2866                         supplicant_dbus_dict_append_fixed_array(dict,
2867                                                         "wep_key0",
2868                                                         DBUS_TYPE_BYTE,
2869                                                         &key, size / 2);
2870                         g_free(key);
2871                 } else if (size == 5 || size == 13) {
2872                         unsigned char *key = g_try_malloc(13);
2873                         int i;
2874
2875                         if (key == NULL)
2876                                 size = 0;
2877
2878                         for (i = 0; i < size; i++)
2879                                 key[i] = (unsigned char) ssid->passphrase[i];
2880
2881                         supplicant_dbus_dict_append_fixed_array(dict,
2882                                                                 "wep_key0",
2883                                                                 DBUS_TYPE_BYTE,
2884                                                                 &key, size);
2885                         g_free(key);
2886                 } else
2887                         supplicant_dbus_dict_append_basic(dict,
2888                                                         "wep_key0",
2889                                                         DBUS_TYPE_STRING,
2890                                                         &ssid->passphrase);
2891
2892                 supplicant_dbus_dict_append_basic(dict, "wep_tx_keyidx",
2893                                         DBUS_TYPE_STRING, &key_index);
2894         }
2895 }
2896
2897 static dbus_bool_t is_psk_raw_key(const char *psk)
2898 {
2899         int i;
2900
2901         /* A raw key is always 64 bytes length... */
2902         if (strlen(psk) != 64)
2903                 return FALSE;
2904
2905         /* ... and its content is in hex representation */
2906         for (i = 0; i < 64; i++)
2907                 if (!isxdigit((unsigned char) psk[i]))
2908                         return FALSE;
2909
2910         return TRUE;
2911 }
2912
2913 static void add_network_security_psk(DBusMessageIter *dict,
2914                                         GSupplicantSSID *ssid)
2915 {
2916         if (ssid->passphrase && strlen(ssid->passphrase) > 0) {
2917
2918                 if (is_psk_raw_key(ssid->passphrase) == TRUE)
2919                         supplicant_dbus_property_append_fixed_array(dict,
2920                                                         "psk", DBUS_TYPE_BYTE,
2921                                                         &ssid->passphrase, 64);
2922                 else
2923                         supplicant_dbus_dict_append_basic(dict, "psk",
2924                                                         DBUS_TYPE_STRING,
2925                                                         &ssid->passphrase);
2926         }
2927 }
2928
2929 static void add_network_security_tls(DBusMessageIter *dict,
2930                                         GSupplicantSSID *ssid)
2931 {
2932         /*
2933          * For TLS, we at least need:
2934          *              The client certificate
2935          *              The client private key file
2936          *              The client private key file password
2937          *
2938          * The Authority certificate is optional.
2939          */
2940         if (ssid->client_cert_path == NULL)
2941                 return;
2942
2943         if (ssid->private_key_path == NULL)
2944                 return;
2945
2946         if (ssid->private_key_passphrase == NULL)
2947                 return;
2948
2949         if (ssid->ca_cert_path)
2950                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
2951                                         DBUS_TYPE_STRING, &ssid->ca_cert_path);
2952
2953         supplicant_dbus_dict_append_basic(dict, "private_key",
2954                                                 DBUS_TYPE_STRING,
2955                                                 &ssid->private_key_path);
2956         supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
2957                                                 DBUS_TYPE_STRING,
2958                                                 &ssid->private_key_passphrase);
2959         supplicant_dbus_dict_append_basic(dict, "client_cert",
2960                                                 DBUS_TYPE_STRING,
2961                                                 &ssid->client_cert_path);
2962 }
2963
2964 static void add_network_security_peap(DBusMessageIter *dict,
2965                                         GSupplicantSSID *ssid)
2966 {
2967         char *phase2_auth;
2968
2969         /*
2970          * For PEAP/TTLS, we at least need
2971          *              The authority certificate
2972          *              The 2nd phase authentication method
2973          *              The 2nd phase passphrase
2974          *
2975          * The Client certificate is optional although strongly recommended
2976          * When setting it, we need in addition
2977          *              The Client private key file
2978          *              The Client private key file password
2979          */
2980         if (ssid->passphrase == NULL)
2981                 return;
2982
2983         if (ssid->phase2_auth == NULL)
2984                 return;
2985
2986         if (ssid->client_cert_path) {
2987                 if (ssid->private_key_path == NULL)
2988                         return;
2989
2990                 if (ssid->private_key_passphrase == NULL)
2991                         return;
2992
2993                 supplicant_dbus_dict_append_basic(dict, "client_cert",
2994                                                 DBUS_TYPE_STRING,
2995                                                 &ssid->client_cert_path);
2996
2997                 supplicant_dbus_dict_append_basic(dict, "private_key",
2998                                                 DBUS_TYPE_STRING,
2999                                                 &ssid->private_key_path);
3000
3001                 supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
3002                                                 DBUS_TYPE_STRING,
3003                                                 &ssid->private_key_passphrase);
3004
3005         }
3006
3007         if (g_str_has_prefix(ssid->phase2_auth, "EAP-") == TRUE) {
3008                 phase2_auth = g_strdup_printf("autheap=%s",
3009                                         ssid->phase2_auth + strlen("EAP-"));
3010         } else
3011                 phase2_auth = g_strdup_printf("auth=%s", ssid->phase2_auth);
3012
3013         supplicant_dbus_dict_append_basic(dict, "password",
3014                                                 DBUS_TYPE_STRING,
3015                                                 &ssid->passphrase);
3016
3017         if (ssid->ca_cert_path)
3018                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
3019                                                 DBUS_TYPE_STRING,
3020                                                 &ssid->ca_cert_path);
3021
3022         supplicant_dbus_dict_append_basic(dict, "phase2",
3023                                                 DBUS_TYPE_STRING,
3024                                                 &phase2_auth);
3025
3026         g_free(phase2_auth);
3027 }
3028
3029 static void add_network_security_eap(DBusMessageIter *dict,
3030                                         GSupplicantSSID *ssid)
3031 {
3032         char *eap_value;
3033
3034         if (ssid->eap == NULL || ssid->identity == NULL)
3035                 return;
3036
3037         if (g_strcmp0(ssid->eap, "tls") == 0) {
3038                 add_network_security_tls(dict, ssid);
3039         } else if (g_strcmp0(ssid->eap, "peap") == 0 ||
3040                                 g_strcmp0(ssid->eap, "ttls") == 0) {
3041                 add_network_security_peap(dict, ssid);
3042         } else
3043                 return;
3044
3045         eap_value = g_ascii_strup(ssid->eap, -1);
3046
3047         supplicant_dbus_dict_append_basic(dict, "eap",
3048                                                 DBUS_TYPE_STRING,
3049                                                 &eap_value);
3050         supplicant_dbus_dict_append_basic(dict, "identity",
3051                                                 DBUS_TYPE_STRING,
3052                                                 &ssid->identity);
3053
3054         g_free(eap_value);
3055 }
3056
3057 static void add_network_security_ciphers(DBusMessageIter *dict,
3058                                                 GSupplicantSSID *ssid)
3059 {
3060         unsigned int p_cipher, g_cipher, i;
3061         char *pairwise, *group;
3062         char *pair_ciphers[4];
3063         char *group_ciphers[5];
3064
3065         p_cipher = ssid->pairwise_cipher;
3066         g_cipher = ssid->group_cipher;
3067
3068         if (p_cipher == 0 && g_cipher == 0)
3069                 return;
3070
3071         i = 0;
3072
3073         if (p_cipher & G_SUPPLICANT_PAIRWISE_CCMP)
3074                 pair_ciphers[i++] = "CCMP";
3075
3076         if (p_cipher & G_SUPPLICANT_PAIRWISE_TKIP)
3077                 pair_ciphers[i++] = "TKIP";
3078
3079         if (p_cipher & G_SUPPLICANT_PAIRWISE_NONE)
3080                 pair_ciphers[i++] = "NONE";
3081
3082         pair_ciphers[i] = NULL;
3083
3084         i = 0;
3085
3086         if (g_cipher & G_SUPPLICANT_GROUP_CCMP)
3087                 group_ciphers[i++] = "CCMP";
3088
3089         if (g_cipher & G_SUPPLICANT_GROUP_TKIP)
3090                 group_ciphers[i++] = "TKIP";
3091
3092         if (g_cipher & G_SUPPLICANT_GROUP_WEP104)
3093                 group_ciphers[i++] = "WEP104";
3094
3095         if (g_cipher & G_SUPPLICANT_GROUP_WEP40)
3096                 group_ciphers[i++] = "WEP40";
3097
3098         group_ciphers[i] = NULL;
3099
3100         pairwise = g_strjoinv(" ", pair_ciphers);
3101         group = g_strjoinv(" ", group_ciphers);
3102
3103         SUPPLICANT_DBG("cipher %s %s", pairwise, group);
3104
3105         supplicant_dbus_dict_append_basic(dict, "pairwise",
3106                                                 DBUS_TYPE_STRING,
3107                                                 &pairwise);
3108         supplicant_dbus_dict_append_basic(dict, "group",
3109                                                 DBUS_TYPE_STRING,
3110                                                 &group);
3111
3112         g_free(pairwise);
3113         g_free(group);
3114 }
3115
3116 static void add_network_security_proto(DBusMessageIter *dict,
3117                                                 GSupplicantSSID *ssid)
3118 {
3119         unsigned int protocol, i;
3120         char *proto;
3121         char *protos[3];
3122
3123         protocol = ssid->protocol;
3124
3125         if (protocol == 0)
3126                 return;
3127
3128         i = 0;
3129
3130         if (protocol & G_SUPPLICANT_PROTO_RSN)
3131                 protos[i++] = "RSN";
3132
3133         if (protocol & G_SUPPLICANT_PROTO_WPA)
3134                 protos[i++] = "WPA";
3135
3136         protos[i] = NULL;
3137
3138         proto = g_strjoinv(" ", protos);
3139
3140         SUPPLICANT_DBG("proto %s", proto);
3141
3142         supplicant_dbus_dict_append_basic(dict, "proto",
3143                                                 DBUS_TYPE_STRING,
3144                                                 &proto);
3145
3146         g_free(proto);
3147 }
3148
3149 static void add_network_security(DBusMessageIter *dict, GSupplicantSSID *ssid)
3150 {
3151         char *key_mgmt;
3152
3153         switch (ssid->security) {
3154         case G_SUPPLICANT_SECURITY_UNKNOWN:
3155         case G_SUPPLICANT_SECURITY_NONE:
3156         case G_SUPPLICANT_SECURITY_WEP:
3157                 key_mgmt = "NONE";
3158                 add_network_security_wep(dict, ssid);
3159                 add_network_security_ciphers(dict, ssid);
3160                 break;
3161         case G_SUPPLICANT_SECURITY_PSK:
3162                 key_mgmt = "WPA-PSK";
3163                 add_network_security_psk(dict, ssid);
3164                 add_network_security_ciphers(dict, ssid);
3165                 add_network_security_proto(dict, ssid);
3166                 break;
3167         case G_SUPPLICANT_SECURITY_IEEE8021X:
3168                 key_mgmt = "WPA-EAP";
3169                 add_network_security_eap(dict, ssid);
3170                 add_network_security_ciphers(dict, ssid);
3171                 add_network_security_proto(dict, ssid);
3172                 break;
3173         }
3174
3175         supplicant_dbus_dict_append_basic(dict, "key_mgmt",
3176                                 DBUS_TYPE_STRING, &key_mgmt);
3177 }
3178
3179 static void add_network_mode(DBusMessageIter *dict, GSupplicantSSID *ssid)
3180 {
3181         dbus_uint32_t mode;
3182
3183         switch (ssid->mode) {
3184         case G_SUPPLICANT_MODE_UNKNOWN:
3185         case G_SUPPLICANT_MODE_INFRA:
3186                 mode = 0;
3187                 break;
3188         case G_SUPPLICANT_MODE_IBSS:
3189                 mode = 1;
3190                 break;
3191         case G_SUPPLICANT_MODE_MASTER:
3192                 mode = 2;
3193                 break;
3194         }
3195
3196         supplicant_dbus_dict_append_basic(dict, "mode",
3197                                 DBUS_TYPE_UINT32, &mode);
3198 }
3199
3200 static void interface_add_network_params(DBusMessageIter *iter, void *user_data)
3201 {
3202         DBusMessageIter dict;
3203         struct interface_connect_data *data = user_data;
3204         GSupplicantSSID *ssid = data->ssid;
3205
3206         supplicant_dbus_dict_open(iter, &dict);
3207
3208         if (ssid->scan_ssid)
3209                 supplicant_dbus_dict_append_basic(&dict, "scan_ssid",
3210                                          DBUS_TYPE_UINT32, &ssid->scan_ssid);
3211
3212         if (ssid->freq)
3213                 supplicant_dbus_dict_append_basic(&dict, "frequency",
3214                                          DBUS_TYPE_UINT32, &ssid->freq);
3215
3216         if (ssid->bgscan != NULL)
3217                 supplicant_dbus_dict_append_basic(&dict, "bgscan",
3218                                         DBUS_TYPE_STRING, &ssid->bgscan);
3219
3220         add_network_mode(&dict, ssid);
3221
3222         add_network_security(&dict, ssid);
3223
3224         supplicant_dbus_dict_append_fixed_array(&dict, "ssid",
3225                                         DBUS_TYPE_BYTE, &ssid->ssid,
3226                                                 ssid->ssid_len);
3227
3228         supplicant_dbus_dict_close(iter, &dict);
3229 }
3230
3231 static void interface_wps_start_result(const char *error,
3232                                 DBusMessageIter *iter, void *user_data)
3233 {
3234         struct interface_connect_data *data = user_data;
3235
3236         SUPPLICANT_DBG("");
3237         if (error != NULL)
3238                 SUPPLICANT_DBG("error: %s", error);
3239
3240         g_free(data->ssid);
3241         dbus_free(data);
3242 }
3243
3244 static void interface_add_wps_params(DBusMessageIter *iter, void *user_data)
3245 {
3246         struct interface_connect_data *data = user_data;
3247         GSupplicantSSID *ssid = data->ssid;
3248         const char *role = "enrollee", *type;
3249         DBusMessageIter dict;
3250
3251         SUPPLICANT_DBG("");
3252
3253         supplicant_dbus_dict_open(iter, &dict);
3254
3255         supplicant_dbus_dict_append_basic(&dict, "Role",
3256                                                 DBUS_TYPE_STRING, &role);
3257
3258         type = "pbc";
3259         if (ssid->pin_wps != NULL) {
3260                 type = "pin";
3261                 supplicant_dbus_dict_append_basic(&dict, "Pin",
3262                                         DBUS_TYPE_STRING, &ssid->pin_wps);
3263         }
3264
3265         supplicant_dbus_dict_append_basic(&dict, "Type",
3266                                         DBUS_TYPE_STRING, &type);
3267
3268         supplicant_dbus_dict_close(iter, &dict);
3269 }
3270
3271 static void wps_start(const char *error, DBusMessageIter *iter, void *user_data)
3272 {
3273         struct interface_connect_data *data = user_data;
3274
3275         SUPPLICANT_DBG("");
3276
3277         if (error != NULL) {
3278                 SUPPLICANT_DBG("error: %s", error);
3279                 g_free(data->ssid);
3280                 dbus_free(data);
3281                 return;
3282         }
3283
3284         supplicant_dbus_method_call(data->interface->path,
3285                         SUPPLICANT_INTERFACE ".Interface.WPS", "Start",
3286                         interface_add_wps_params,
3287                         interface_wps_start_result, data);
3288 }
3289
3290 static void wps_process_credentials(DBusMessageIter *iter, void *user_data)
3291 {
3292         dbus_bool_t credentials = TRUE;
3293
3294         SUPPLICANT_DBG("");
3295
3296         dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &credentials);
3297 }
3298
3299
3300 int g_supplicant_interface_connect(GSupplicantInterface *interface,
3301                                 GSupplicantSSID *ssid,
3302                                 GSupplicantInterfaceCallback callback,
3303                                                         void *user_data)
3304 {
3305         struct interface_connect_data *data;
3306         int ret;
3307
3308         if (interface == NULL)
3309                 return -EINVAL;
3310
3311         if (system_available == FALSE)
3312                 return -EFAULT;
3313
3314         /* TODO: Check if we're already connected and switch */
3315
3316         data = dbus_malloc0(sizeof(*data));
3317         if (data == NULL)
3318                 return -ENOMEM;
3319
3320         data->interface = interface;
3321         data->callback = callback;
3322         data->ssid = ssid;
3323         data->user_data = user_data;
3324
3325         if (ssid->use_wps == TRUE) {
3326                 g_free(interface->wps_cred.key);
3327                 memset(&interface->wps_cred, 0,
3328                                 sizeof(struct _GSupplicantWpsCredentials));
3329
3330                 ret = supplicant_dbus_property_set(interface->path,
3331                         SUPPLICANT_INTERFACE ".Interface.WPS",
3332                         "ProcessCredentials", DBUS_TYPE_BOOLEAN_AS_STRING,
3333                         wps_process_credentials, wps_start, data);
3334         } else
3335                 ret = supplicant_dbus_method_call(interface->path,
3336                         SUPPLICANT_INTERFACE ".Interface", "AddNetwork",
3337                         interface_add_network_params,
3338                         interface_add_network_result, data);
3339
3340         if (ret < 0)
3341                 return ret;
3342
3343         return -EINPROGRESS;
3344 }
3345
3346 static void network_remove_result(const char *error,
3347                                 DBusMessageIter *iter, void *user_data)
3348 {
3349         struct interface_data *data = user_data;
3350         int result = 0;
3351
3352         SUPPLICANT_DBG("");
3353
3354         if (error != NULL)
3355                 result = -EIO;
3356
3357         if (data->callback != NULL)
3358                 data->callback(result, data->interface, data->user_data);
3359
3360         dbus_free(data);
3361 }
3362
3363 static void network_remove_params(DBusMessageIter *iter, void *user_data)
3364 {
3365         struct interface_data *data = user_data;
3366         const char *path = data->interface->network_path;
3367
3368         SUPPLICANT_DBG("path %s", path);
3369
3370         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &path);
3371 }
3372
3373 static int network_remove(struct interface_data *data)
3374 {
3375         GSupplicantInterface *interface = data->interface;
3376
3377         SUPPLICANT_DBG("");
3378
3379         return supplicant_dbus_method_call(interface->path,
3380                         SUPPLICANT_INTERFACE ".Interface", "RemoveNetwork",
3381                         network_remove_params, network_remove_result, data);
3382 }
3383
3384 static void interface_disconnect_result(const char *error,
3385                                 DBusMessageIter *iter, void *user_data)
3386 {
3387         struct interface_data *data = user_data;
3388
3389         SUPPLICANT_DBG("");
3390
3391         if (error != NULL && data->callback != NULL)
3392                 data->callback(-EIO, data->interface, data->user_data);
3393
3394         /* If we are disconnecting from previous WPS successful
3395          * association. i.e.: it did not went through AddNetwork,
3396          * and interface->network_path was never set. */
3397         if (data->interface->network_path == NULL)
3398                 return;
3399
3400         network_remove(data);
3401 }
3402
3403 int g_supplicant_interface_disconnect(GSupplicantInterface *interface,
3404                                         GSupplicantInterfaceCallback callback,
3405                                                         void *user_data)
3406 {
3407         struct interface_data *data;
3408
3409         SUPPLICANT_DBG("");
3410
3411         if (interface == NULL)
3412                 return -EINVAL;
3413
3414         if (system_available == FALSE)
3415                 return -EFAULT;
3416
3417         data = dbus_malloc0(sizeof(*data));
3418         if (data == NULL)
3419                 return -ENOMEM;
3420
3421         data->interface = interface;
3422         data->callback = callback;
3423         data->user_data = user_data;
3424
3425         return supplicant_dbus_method_call(interface->path,
3426                         SUPPLICANT_INTERFACE ".Interface", "Disconnect",
3427                                 NULL, interface_disconnect_result, data);
3428 }
3429
3430
3431 static const char *g_supplicant_rule0 = "type=signal,"
3432                                         "path=" DBUS_PATH_DBUS ","
3433                                         "sender=" DBUS_SERVICE_DBUS ","
3434                                         "interface=" DBUS_INTERFACE_DBUS ","
3435                                         "member=NameOwnerChanged,"
3436                                         "arg0=" SUPPLICANT_SERVICE;
3437 static const char *g_supplicant_rule1 = "type=signal,"
3438                         "interface=" SUPPLICANT_INTERFACE;
3439 static const char *g_supplicant_rule2 = "type=signal,"
3440                         "interface=" SUPPLICANT_INTERFACE ".Interface";
3441 static const char *g_supplicant_rule3 = "type=signal,"
3442                         "interface=" SUPPLICANT_INTERFACE ".Interface.WPS";
3443 static const char *g_supplicant_rule4 = "type=signal,"
3444                         "interface=" SUPPLICANT_INTERFACE ".BSS";
3445 static const char *g_supplicant_rule5 = "type=signal,"
3446                         "interface=" SUPPLICANT_INTERFACE ".Network";
3447
3448 static void invoke_introspect_method(void)
3449 {
3450         DBusMessage *message;
3451
3452         message = dbus_message_new_method_call(SUPPLICANT_SERVICE,
3453                                         SUPPLICANT_PATH,
3454                                         DBUS_INTERFACE_INTROSPECTABLE,
3455                                         "Introspect");
3456
3457         if (message == NULL)
3458                 return;
3459
3460         dbus_message_set_no_reply(message, TRUE);
3461         dbus_connection_send(connection, message, NULL);
3462         dbus_message_unref(message);
3463 }
3464
3465 int g_supplicant_register(const GSupplicantCallbacks *callbacks)
3466 {
3467         connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
3468         if (connection == NULL)
3469                 return -EIO;
3470
3471         if (dbus_connection_add_filter(connection,
3472                                 g_supplicant_filter, NULL, NULL) == FALSE) {
3473                 dbus_connection_unref(connection);
3474                 connection = NULL;
3475                 return -EIO;
3476         }
3477
3478         callbacks_pointer = callbacks;
3479         eap_methods = 0;
3480
3481         interface_table = g_hash_table_new_full(g_str_hash, g_str_equal,
3482                                                 NULL, remove_interface);
3483
3484         bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
3485                                                                 NULL, NULL);
3486
3487         supplicant_dbus_setup(connection);
3488
3489         dbus_bus_add_match(connection, g_supplicant_rule0, NULL);
3490         dbus_bus_add_match(connection, g_supplicant_rule1, NULL);
3491         dbus_bus_add_match(connection, g_supplicant_rule2, NULL);
3492         dbus_bus_add_match(connection, g_supplicant_rule3, NULL);
3493         dbus_bus_add_match(connection, g_supplicant_rule4, NULL);
3494         dbus_bus_add_match(connection, g_supplicant_rule5, NULL);
3495         dbus_connection_flush(connection);
3496
3497         if (dbus_bus_name_has_owner(connection,
3498                                         SUPPLICANT_SERVICE, NULL) == TRUE) {
3499                 system_available = TRUE;
3500                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
3501                                                 SUPPLICANT_INTERFACE,
3502                                                 service_property, NULL);
3503         } else
3504                 invoke_introspect_method();
3505
3506         return 0;
3507 }
3508
3509 static void unregister_interface_remove_params(DBusMessageIter *iter,
3510                                                 void *user_data)
3511 {
3512         const char *path = user_data;
3513
3514         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
3515                                                         &path);
3516 }
3517
3518
3519 static void unregister_remove_interface(gpointer key, gpointer value,
3520                                                 gpointer user_data)
3521 {
3522         GSupplicantInterface *interface = value;
3523
3524         supplicant_dbus_method_call(SUPPLICANT_PATH,
3525                                         SUPPLICANT_INTERFACE,
3526                                         "RemoveInterface",
3527                                         unregister_interface_remove_params,
3528                                                 NULL, interface->path);
3529 }
3530
3531 void g_supplicant_unregister(const GSupplicantCallbacks *callbacks)
3532 {
3533         SUPPLICANT_DBG("");
3534
3535         if (connection != NULL) {
3536                 dbus_bus_remove_match(connection, g_supplicant_rule5, NULL);
3537                 dbus_bus_remove_match(connection, g_supplicant_rule4, NULL);
3538                 dbus_bus_remove_match(connection, g_supplicant_rule3, NULL);
3539                 dbus_bus_remove_match(connection, g_supplicant_rule2, NULL);
3540                 dbus_bus_remove_match(connection, g_supplicant_rule1, NULL);
3541                 dbus_bus_remove_match(connection, g_supplicant_rule0, NULL);
3542                 dbus_connection_flush(connection);
3543
3544                 dbus_connection_remove_filter(connection,
3545                                                 g_supplicant_filter, NULL);
3546         }
3547
3548         if (bss_mapping != NULL) {
3549                 g_hash_table_destroy(bss_mapping);
3550                 bss_mapping = NULL;
3551         }
3552
3553         if (system_available == TRUE)
3554                 callback_system_killed();
3555
3556         if (interface_table != NULL) {
3557                 g_hash_table_foreach(interface_table,
3558                                         unregister_remove_interface, NULL);
3559                 g_hash_table_destroy(interface_table);
3560                 interface_table = NULL;
3561         }
3562
3563         if (connection != NULL) {
3564                 dbus_connection_unref(connection);
3565                 connection = NULL;
3566         }
3567
3568         callbacks_pointer = NULL;
3569         eap_methods = 0;
3570 }