gsupplicant/supplicant.c

   1 /*
   2  *
   3  *  WPA supplicant library with GLib integration
   4  *
   5  *  Copyright (C) 2012  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 IEEE80211_CAP_ESS       0x0001
  41 #define IEEE80211_CAP_IBSS      0x0002
  42 #define IEEE80211_CAP_PRIVACY   0x0010
  43
  44 static DBusConnection *connection;
  45
  46 static const GSupplicantCallbacks *callbacks_pointer;
  47
  48 static dbus_bool_t system_available = FALSE;
  49 static dbus_bool_t system_ready = FALSE;
  50
  51 static dbus_int32_t debug_level;
  52 static dbus_bool_t debug_timestamp = FALSE;
  53 static dbus_bool_t debug_showkeys = FALSE;
  54
  55 static const char *debug_strings[] = {
  56         "msgdump", "debug", "info", "warning", "error", NULL
  57 };
  58
  59 static unsigned int eap_methods;
  60
  61 struct strvalmap {
  62         const char *str;
  63         unsigned int val;
  64 };
  65
  66 static struct strvalmap eap_method_map[] = {
  67         { "MD5",        G_SUPPLICANT_EAP_METHOD_MD5     },
  68         { "TLS",        G_SUPPLICANT_EAP_METHOD_TLS     },
  69         { "MSCHAPV2",   G_SUPPLICANT_EAP_METHOD_MSCHAPV2        },
  70         { "PEAP",       G_SUPPLICANT_EAP_METHOD_PEAP    },
  71         { "TTLS",       G_SUPPLICANT_EAP_METHOD_TTLS    },
  72         { "GTC",        G_SUPPLICANT_EAP_METHOD_GTC     },
  73         { "OTP",        G_SUPPLICANT_EAP_METHOD_OTP     },
  74         { "LEAP",       G_SUPPLICANT_EAP_METHOD_LEAP    },
  75         { "WSC",        G_SUPPLICANT_EAP_METHOD_WSC     },
  76         { }
  77 };
  78
  79 static struct strvalmap keymgmt_map[] = {
  80         { "none",               G_SUPPLICANT_KEYMGMT_NONE               },
  81         { "ieee8021x",          G_SUPPLICANT_KEYMGMT_IEEE8021X  },
  82         { "wpa-none",           G_SUPPLICANT_KEYMGMT_WPA_NONE   },
  83         { "wpa-psk",            G_SUPPLICANT_KEYMGMT_WPA_PSK    },
  84         { "wpa-psk-sha256",     G_SUPPLICANT_KEYMGMT_WPA_PSK_256        },
  85         { "wpa-ft-psk",         G_SUPPLICANT_KEYMGMT_WPA_FT_PSK },
  86         { "wpa-ft-eap",         G_SUPPLICANT_KEYMGMT_WPA_FT_EAP },
  87         { "wpa-eap",            G_SUPPLICANT_KEYMGMT_WPA_EAP    },
  88         { "wpa-eap-sha256",     G_SUPPLICANT_KEYMGMT_WPA_EAP_256        },
  89         { "wps",                G_SUPPLICANT_KEYMGMT_WPS                },
  90         { }
  91 };
  92
  93 static struct strvalmap authalg_capa_map[] = {
  94         { "open",       G_SUPPLICANT_CAPABILITY_AUTHALG_OPEN    },
  95         { "shared",     G_SUPPLICANT_CAPABILITY_AUTHALG_SHARED  },
  96         { "leap",       G_SUPPLICANT_CAPABILITY_AUTHALG_LEAP    },
  97         { }
  98 };
  99
 100 static struct strvalmap proto_capa_map[] = {
 101         { "wpa",        G_SUPPLICANT_CAPABILITY_PROTO_WPA               },
 102         { "rsn",        G_SUPPLICANT_CAPABILITY_PROTO_RSN               },
 103         { }
 104 };
 105
 106 static struct strvalmap group_map[] = {
 107         { "wep40",      G_SUPPLICANT_GROUP_WEP40        },
 108         { "wep104",     G_SUPPLICANT_GROUP_WEP104       },
 109         { "tkip",       G_SUPPLICANT_GROUP_TKIP },
 110         { "ccmp",       G_SUPPLICANT_GROUP_CCMP },
 111         { }
 112 };
 113
 114 static struct strvalmap pairwise_map[] = {
 115         { "none",       G_SUPPLICANT_PAIRWISE_NONE      },
 116         { "tkip",       G_SUPPLICANT_PAIRWISE_TKIP      },
 117         { "ccmp",       G_SUPPLICANT_PAIRWISE_CCMP      },
 118         { }
 119 };
 120
 121 static struct strvalmap scan_capa_map[] = {
 122         { "active",     G_SUPPLICANT_CAPABILITY_SCAN_ACTIVE     },
 123         { "passive",    G_SUPPLICANT_CAPABILITY_SCAN_PASSIVE    },
 124         { "ssid",       G_SUPPLICANT_CAPABILITY_SCAN_SSID               },
 125         { }
 126 };
 127
 128 static struct strvalmap mode_capa_map[] = {
 129         { "infrastructure",     G_SUPPLICANT_CAPABILITY_MODE_INFRA      },
 130         { "ad-hoc",             G_SUPPLICANT_CAPABILITY_MODE_IBSS       },
 131         { "ap",                 G_SUPPLICANT_CAPABILITY_MODE_AP         },
 132         { }
 133 };
 134
 135 static GHashTable *interface_table;
 136 static GHashTable *bss_mapping;
 137
 138 struct _GSupplicantWpsCredentials {
 139         unsigned char ssid[32];
 140         unsigned int ssid_len;
 141         char *key;
 142 };
 143
 144 struct _GSupplicantInterface {
 145         char *path;
 146         char *network_path;
 147         unsigned int keymgmt_capa;
 148         unsigned int authalg_capa;
 149         unsigned int proto_capa;
 150         unsigned int group_capa;
 151         unsigned int pairwise_capa;
 152         unsigned int scan_capa;
 153         unsigned int mode_capa;
 154         unsigned int max_scan_ssids;
 155         dbus_bool_t ready;
 156         GSupplicantState state;
 157         dbus_bool_t scanning;
 158         GSupplicantInterfaceCallback scan_callback;
 159         void *scan_data;
 160         int apscan;
 161         char *ifname;
 162         char *driver;
 163         char *bridge;
 164         struct _GSupplicantWpsCredentials wps_cred;
 165         GSupplicantWpsState wps_state;
 166         GHashTable *network_table;
 167         GHashTable *net_mapping;
 168         GHashTable *bss_mapping;
 169         void *data;
 170 };
 171
 172 struct g_supplicant_bss {
 173         GSupplicantInterface *interface;
 174         char *path;
 175         unsigned char bssid[6];
 176         unsigned char ssid[32];
 177         unsigned int ssid_len;
 178         dbus_uint16_t frequency;
 179         dbus_uint32_t maxrate;
 180         dbus_int16_t signal;
 181         GSupplicantMode mode;
 182         GSupplicantSecurity security;
 183         dbus_bool_t rsn_selected;
 184         unsigned int wpa_keymgmt;
 185         unsigned int wpa_pairwise;
 186         unsigned int wpa_group;
 187         unsigned int rsn_keymgmt;
 188         unsigned int rsn_pairwise;
 189         unsigned int rsn_group;
 190         unsigned int keymgmt;
 191         dbus_bool_t privacy;
 192         dbus_bool_t psk;
 193         dbus_bool_t ieee8021x;
 194         unsigned int wps_capabilities;
 195 };
 196
 197 struct _GSupplicantNetwork {
 198         GSupplicantInterface *interface;
 199         char *path;
 200         char *group;
 201         char *name;
 202         unsigned char ssid[32];
 203         unsigned int ssid_len;
 204         dbus_int16_t signal;
 205         dbus_uint16_t frequency;
 206         struct g_supplicant_bss *best_bss;
 207         GSupplicantMode mode;
 208         GSupplicantSecurity security;
 209         dbus_bool_t wps;
 210         unsigned int wps_capabilities;
 211         GHashTable *bss_table;
 212         GHashTable *config_table;
 213 };
 214
 215 static inline void debug(const char *format, ...)
 216 {
 217         char str[256];
 218         va_list ap;
 219
 220         if (callbacks_pointer->debug == NULL)
 221                 return;
 222
 223         va_start(ap, format);
 224
 225         if (vsnprintf(str, sizeof(str), format, ap) > 0)
 226                 callbacks_pointer->debug(str);
 227
 228         va_end(ap);
 229 }
 230
 231 #define SUPPLICANT_DBG(fmt, arg...) \
 232         debug("%s:%s() " fmt, __FILE__, __FUNCTION__ , ## arg);
 233
 234 static GSupplicantMode string2mode(const char *mode)
 235 {
 236         if (mode == NULL)
 237                 return G_SUPPLICANT_MODE_UNKNOWN;
 238
 239         if (g_str_equal(mode, "infrastructure") == TRUE)
 240                 return G_SUPPLICANT_MODE_INFRA;
 241         else if (g_str_equal(mode, "ad-hoc") == TRUE)
 242                 return G_SUPPLICANT_MODE_IBSS;
 243
 244         return G_SUPPLICANT_MODE_UNKNOWN;
 245 }
 246
 247 static const char *mode2string(GSupplicantMode mode)
 248 {
 249         switch (mode) {
 250         case G_SUPPLICANT_MODE_UNKNOWN:
 251                 break;
 252         case G_SUPPLICANT_MODE_INFRA:
 253                 return "managed";
 254         case G_SUPPLICANT_MODE_IBSS:
 255                 return "adhoc";
 256         case G_SUPPLICANT_MODE_MASTER:
 257                 return "ap";
 258         }
 259
 260         return NULL;
 261 }
 262
 263 static const char *security2string(GSupplicantSecurity security)
 264 {
 265         switch (security) {
 266         case G_SUPPLICANT_SECURITY_UNKNOWN:
 267                 break;
 268         case G_SUPPLICANT_SECURITY_NONE:
 269                 return "none";
 270         case G_SUPPLICANT_SECURITY_WEP:
 271                 return "wep";
 272         case G_SUPPLICANT_SECURITY_PSK:
 273                 return "psk";
 274         case G_SUPPLICANT_SECURITY_IEEE8021X:
 275                 return "ieee8021x";
 276         }
 277
 278         return NULL;
 279 }
 280
 281 static GSupplicantState string2state(const char *state)
 282 {
 283         if (state == NULL)
 284                 return G_SUPPLICANT_STATE_UNKNOWN;
 285
 286         if (g_str_equal(state, "unknown") == TRUE)
 287                 return G_SUPPLICANT_STATE_UNKNOWN;
 288         else if (g_str_equal(state, "interface_disabled") == TRUE)
 289                 return G_SUPPLICANT_STATE_DISABLED;
 290         else if (g_str_equal(state, "disconnected") == TRUE)
 291                 return G_SUPPLICANT_STATE_DISCONNECTED;
 292         else if (g_str_equal(state, "inactive") == TRUE)
 293                 return G_SUPPLICANT_STATE_INACTIVE;
 294         else if (g_str_equal(state, "scanning") == TRUE)
 295                 return G_SUPPLICANT_STATE_SCANNING;
 296         else if (g_str_equal(state, "authenticating") == TRUE)
 297                 return G_SUPPLICANT_STATE_AUTHENTICATING;
 298         else if (g_str_equal(state, "associating") == TRUE)
 299                 return G_SUPPLICANT_STATE_ASSOCIATING;
 300         else if (g_str_equal(state, "associated") == TRUE)
 301                 return G_SUPPLICANT_STATE_ASSOCIATED;
 302         else if (g_str_equal(state, "group_handshake") == TRUE)
 303                 return G_SUPPLICANT_STATE_GROUP_HANDSHAKE;
 304         else if (g_str_equal(state, "4way_handshake") == TRUE)
 305                 return G_SUPPLICANT_STATE_4WAY_HANDSHAKE;
 306         else if (g_str_equal(state, "completed") == TRUE)
 307                 return G_SUPPLICANT_STATE_COMPLETED;
 308
 309         return G_SUPPLICANT_STATE_UNKNOWN;
 310 }
 311
 312 static void callback_system_ready(void)
 313 {
 314         if (system_ready == TRUE)
 315                 return;
 316
 317         system_ready = TRUE;
 318
 319         if (callbacks_pointer == NULL)
 320                 return;
 321
 322         if (callbacks_pointer->system_ready == NULL)
 323                 return;
 324
 325         callbacks_pointer->system_ready();
 326 }
 327
 328 static void callback_system_killed(void)
 329 {
 330         system_ready = FALSE;
 331
 332         if (callbacks_pointer == NULL)
 333                 return;
 334
 335         if (callbacks_pointer->system_killed == NULL)
 336                 return;
 337
 338         callbacks_pointer->system_killed();
 339 }
 340
 341 static void callback_interface_added(GSupplicantInterface *interface)
 342 {
 343         SUPPLICANT_DBG("");
 344
 345         if (callbacks_pointer == NULL)
 346                 return;
 347
 348         if (callbacks_pointer->interface_added == NULL)
 349                 return;
 350
 351         callbacks_pointer->interface_added(interface);
 352 }
 353
 354 static void callback_interface_state(GSupplicantInterface *interface)
 355 {
 356         if (callbacks_pointer == NULL)
 357                 return;
 358
 359         if (callbacks_pointer->interface_state == NULL)
 360                 return;
 361
 362         callbacks_pointer->interface_state(interface);
 363 }
 364
 365 static void callback_interface_removed(GSupplicantInterface *interface)
 366 {
 367         if (callbacks_pointer == NULL)
 368                 return;
 369
 370         if (callbacks_pointer->interface_removed == NULL)
 371                 return;
 372
 373         callbacks_pointer->interface_removed(interface);
 374 }
 375
 376 static void callback_scan_started(GSupplicantInterface *interface)
 377 {
 378         if (callbacks_pointer == NULL)
 379                 return;
 380
 381         if (callbacks_pointer->scan_started == NULL)
 382                 return;
 383
 384         callbacks_pointer->scan_started(interface);
 385 }
 386
 387 static void callback_scan_finished(GSupplicantInterface *interface)
 388 {
 389         if (callbacks_pointer == NULL)
 390                 return;
 391
 392         if (callbacks_pointer->scan_finished == NULL)
 393                 return;
 394
 395         callbacks_pointer->scan_finished(interface);
 396 }
 397
 398 static void callback_network_added(GSupplicantNetwork *network)
 399 {
 400         if (callbacks_pointer == NULL)
 401                 return;
 402
 403         if (callbacks_pointer->network_added == NULL)
 404                 return;
 405
 406         callbacks_pointer->network_added(network);
 407 }
 408
 409 static void callback_network_removed(GSupplicantNetwork *network)
 410 {
 411         if (callbacks_pointer == NULL)
 412                 return;
 413
 414         if (callbacks_pointer->network_removed == NULL)
 415                 return;
 416
 417         callbacks_pointer->network_removed(network);
 418 }
 419
 420 static void callback_network_changed(GSupplicantNetwork *network,
 421                                         const char *property)
 422 {
 423         if (callbacks_pointer == NULL)
 424                 return;
 425
 426         if (callbacks_pointer->network_changed == NULL)
 427                 return;
 428
 429         callbacks_pointer->network_changed(network, property);
 430 }
 431
 432 static void remove_interface(gpointer data)
 433 {
 434         GSupplicantInterface *interface = data;
 435
 436         g_hash_table_destroy(interface->bss_mapping);
 437         g_hash_table_destroy(interface->net_mapping);
 438         g_hash_table_destroy(interface->network_table);
 439
 440         if (interface->scan_callback != NULL) {
 441                 SUPPLICANT_DBG("call interface %p callback %p scanning %d",
 442                                 interface, interface->scan_callback,
 443                                 interface->scanning);
 444
 445                 interface->scan_callback(-EIO, interface, interface->scan_data);
 446                 interface->scan_callback = NULL;
 447                 interface->scan_data = NULL;
 448
 449                 if (interface->scanning == TRUE) {
 450                         interface->scanning = FALSE;
 451                         callback_scan_finished(interface);
 452                 }
 453         }
 454
 455         callback_interface_removed(interface);
 456
 457         g_free(interface->wps_cred.key);
 458         g_free(interface->path);
 459         g_free(interface->network_path);
 460         g_free(interface->ifname);
 461         g_free(interface->driver);
 462         g_free(interface->bridge);
 463         g_free(interface);
 464 }
 465
 466 static void remove_network(gpointer data)
 467 {
 468         GSupplicantNetwork *network = data;
 469
 470         g_hash_table_destroy(network->bss_table);
 471
 472         callback_network_removed(network);
 473
 474         g_hash_table_destroy(network->config_table);
 475
 476         g_free(network->path);
 477         g_free(network->group);
 478         g_free(network->name);
 479         g_free(network);
 480 }
 481
 482 static void remove_bss(gpointer data)
 483 {
 484         struct g_supplicant_bss *bss = data;
 485
 486         g_free(bss->path);
 487         g_free(bss);
 488 }
 489
 490 static void debug_strvalmap(const char *label, struct strvalmap *map,
 491                                                         unsigned int val)
 492 {
 493         int i;
 494
 495         for (i = 0; map[i].str != NULL; i++) {
 496                 if (val & map[i].val)
 497                         SUPPLICANT_DBG("%s: %s", label, map[i].str);
 498         }
 499 }
 500
 501 static void interface_capability_keymgmt(DBusMessageIter *iter, void *user_data)
 502 {
 503         GSupplicantInterface *interface = user_data;
 504         const char *str = NULL;
 505         int i;
 506
 507         dbus_message_iter_get_basic(iter, &str);
 508         if (str == NULL)
 509                 return;
 510
 511         for (i = 0; keymgmt_map[i].str != NULL; i++)
 512                 if (strcmp(str, keymgmt_map[i].str) == 0) {
 513                         interface->keymgmt_capa |= keymgmt_map[i].val;
 514                         break;
 515                 }
 516 }
 517
 518 static void interface_capability_authalg(DBusMessageIter *iter, void *user_data)
 519 {
 520         GSupplicantInterface *interface = user_data;
 521         const char *str = NULL;
 522         int i;
 523
 524         dbus_message_iter_get_basic(iter, &str);
 525         if (str == NULL)
 526                 return;
 527
 528         for (i = 0; authalg_capa_map[i].str != NULL; i++)
 529                 if (strcmp(str, authalg_capa_map[i].str) == 0) {
 530                         interface->authalg_capa |= authalg_capa_map[i].val;
 531                         break;
 532                 }
 533 }
 534
 535 static void interface_capability_proto(DBusMessageIter *iter, void *user_data)
 536 {
 537         GSupplicantInterface *interface = user_data;
 538         const char *str = NULL;
 539         int i;
 540
 541         dbus_message_iter_get_basic(iter, &str);
 542         if (str == NULL)
 543                 return;
 544
 545         for (i = 0; proto_capa_map[i].str != NULL; i++)
 546                 if (strcmp(str, proto_capa_map[i].str) == 0) {
 547                         interface->proto_capa |= proto_capa_map[i].val;
 548                         break;
 549                 }
 550 }
 551
 552 static void interface_capability_pairwise(DBusMessageIter *iter,
 553                                                         void *user_data)
 554 {
 555         GSupplicantInterface *interface = user_data;
 556         const char *str = NULL;
 557         int i;
 558
 559         dbus_message_iter_get_basic(iter, &str);
 560         if (str == NULL)
 561                 return;
 562
 563         for (i = 0; pairwise_map[i].str != NULL; i++)
 564                 if (strcmp(str, pairwise_map[i].str) == 0) {
 565                         interface->pairwise_capa |= pairwise_map[i].val;
 566                         break;
 567                 }
 568 }
 569
 570 static void interface_capability_group(DBusMessageIter *iter, void *user_data)
 571 {
 572         GSupplicantInterface *interface = user_data;
 573         const char *str = NULL;
 574         int i;
 575
 576         dbus_message_iter_get_basic(iter, &str);
 577         if (str == NULL)
 578                 return;
 579
 580         for (i = 0; group_map[i].str != NULL; i++)
 581                 if (strcmp(str, group_map[i].str) == 0) {
 582                         interface->group_capa |= group_map[i].val;
 583                         break;
 584                 }
 585 }
 586
 587 static void interface_capability_scan(DBusMessageIter *iter, void *user_data)
 588 {
 589         GSupplicantInterface *interface = user_data;
 590         const char *str = NULL;
 591         int i;
 592
 593         dbus_message_iter_get_basic(iter, &str);
 594         if (str == NULL)
 595                 return;
 596
 597         for (i = 0; scan_capa_map[i].str != NULL; i++)
 598                 if (strcmp(str, scan_capa_map[i].str) == 0) {
 599                         interface->scan_capa |= scan_capa_map[i].val;
 600                         break;
 601                 }
 602 }
 603
 604 static void interface_capability_mode(DBusMessageIter *iter, void *user_data)
 605 {
 606         GSupplicantInterface *interface = user_data;
 607         const char *str = NULL;
 608         int i;
 609
 610         dbus_message_iter_get_basic(iter, &str);
 611         if (str == NULL)
 612                 return;
 613
 614         for (i = 0; mode_capa_map[i].str != NULL; i++)
 615                 if (strcmp(str, mode_capa_map[i].str) == 0) {
 616                         interface->mode_capa |= mode_capa_map[i].val;
 617                         break;
 618                 }
 619 }
 620
 621 static void interface_capability(const char *key, DBusMessageIter *iter,
 622                                                         void *user_data)
 623 {
 624         GSupplicantInterface *interface = user_data;
 625
 626         if (key == NULL)
 627                 return;
 628
 629         if (g_strcmp0(key, "KeyMgmt") == 0)
 630                 supplicant_dbus_array_foreach(iter,
 631                                 interface_capability_keymgmt, interface);
 632         else if (g_strcmp0(key, "AuthAlg") == 0)
 633                 supplicant_dbus_array_foreach(iter,
 634                                 interface_capability_authalg, interface);
 635         else if (g_strcmp0(key, "Protocol") == 0)
 636                 supplicant_dbus_array_foreach(iter,
 637                                 interface_capability_proto, interface);
 638         else if (g_strcmp0(key, "Pairwise") == 0)
 639                 supplicant_dbus_array_foreach(iter,
 640                                 interface_capability_pairwise, interface);
 641         else if (g_strcmp0(key, "Group") == 0)
 642                 supplicant_dbus_array_foreach(iter,
 643                                 interface_capability_group, interface);
 644         else if (g_strcmp0(key, "Scan") == 0)
 645                 supplicant_dbus_array_foreach(iter,
 646                                 interface_capability_scan, interface);
 647         else if (g_strcmp0(key, "Modes") == 0)
 648                 supplicant_dbus_array_foreach(iter,
 649                                 interface_capability_mode, interface);
 650         else if (g_strcmp0(key, "MaxScanSSID") == 0) {
 651                 dbus_int32_t max_scan_ssid;
 652
 653                 dbus_message_iter_get_basic(iter, &max_scan_ssid);
 654                 if (max_scan_ssid < 2)
 655                         max_scan_ssid = 0;
 656                 interface->max_scan_ssids = max_scan_ssid;
 657
 658         } else
 659                 SUPPLICANT_DBG("key %s type %c",
 660                                 key, dbus_message_iter_get_arg_type(iter));
 661 }
 662
 663 static void set_apscan(DBusMessageIter *iter, void *user_data)
 664 {
 665         unsigned int ap_scan = *(unsigned int *)user_data;
 666
 667         dbus_message_iter_append_basic(iter, DBUS_TYPE_UINT32, &ap_scan);
 668 }
 669
 670 int g_supplicant_interface_set_apscan(GSupplicantInterface *interface,
 671                                                         unsigned int ap_scan)
 672 {
 673         return supplicant_dbus_property_set(interface->path,
 674                         SUPPLICANT_INTERFACE ".Interface",
 675                                 "ApScan", DBUS_TYPE_UINT32_AS_STRING,
 676                                         set_apscan, NULL, &ap_scan);
 677 }
 678
 679 void g_supplicant_interface_set_data(GSupplicantInterface *interface,
 680                                                                 void *data)
 681 {
 682         if (interface == NULL)
 683                 return;
 684
 685         interface->data = data;
 686 }
 687
 688 void *g_supplicant_interface_get_data(GSupplicantInterface *interface)
 689 {
 690         if (interface == NULL)
 691                 return NULL;
 692
 693         return interface->data;
 694 }
 695
 696 const char *g_supplicant_interface_get_ifname(GSupplicantInterface *interface)
 697 {
 698         if (interface == NULL)
 699                 return NULL;
 700
 701         return interface->ifname;
 702 }
 703
 704 const char *g_supplicant_interface_get_driver(GSupplicantInterface *interface)
 705 {
 706         if (interface == NULL)
 707                 return NULL;
 708
 709         return interface->driver;
 710 }
 711
 712 GSupplicantState g_supplicant_interface_get_state(
 713                                         GSupplicantInterface *interface)
 714 {
 715         if (interface == NULL)
 716                 return G_SUPPLICANT_STATE_UNKNOWN;
 717
 718         return interface->state;
 719 }
 720
 721 const char *g_supplicant_interface_get_wps_key(GSupplicantInterface *interface)
 722 {
 723         if (interface == NULL)
 724                 return NULL;
 725
 726         return (const char *)interface->wps_cred.key;
 727 }
 728
 729 const void *g_supplicant_interface_get_wps_ssid(GSupplicantInterface *interface,
 730                                                         unsigned int *ssid_len)
 731 {
 732         if (ssid_len == NULL)
 733                 return NULL;
 734
 735         if (interface == NULL || interface->wps_cred.ssid == NULL) {
 736                 *ssid_len = 0;
 737                 return NULL;
 738         }
 739
 740         *ssid_len = interface->wps_cred.ssid_len;
 741         return interface->wps_cred.ssid;
 742 }
 743
 744 GSupplicantWpsState g_supplicant_interface_get_wps_state(
 745                                         GSupplicantInterface *interface)
 746 {
 747         if (interface == NULL)
 748                 return G_SUPPLICANT_WPS_STATE_UNKNOWN;
 749
 750         return interface->wps_state;
 751 }
 752
 753 unsigned int g_supplicant_interface_get_mode(GSupplicantInterface *interface)
 754 {
 755         if (interface == NULL)
 756                 return 0;
 757
 758         return interface->mode_capa;
 759 }
 760
 761 unsigned int g_supplicant_interface_get_max_scan_ssids(
 762                                 GSupplicantInterface *interface)
 763 {
 764         if (interface == NULL)
 765                 return 0;
 766
 767         return interface->max_scan_ssids;
 768 }
 769
 770 static void set_network_enabled(DBusMessageIter *iter, void *user_data)
 771 {
 772         dbus_bool_t enable = *(dbus_bool_t *)user_data;
 773
 774         dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &enable);
 775 }
 776
 777 int g_supplicant_interface_enable_selected_network(GSupplicantInterface *interface,
 778                                                         dbus_bool_t enable)
 779 {
 780         if (interface == NULL)
 781                 return -1;
 782
 783         if (interface->network_path == NULL)
 784                 return -1;
 785
 786         SUPPLICANT_DBG(" ");
 787         return supplicant_dbus_property_set(interface->network_path,
 788                                 SUPPLICANT_INTERFACE ".Network",
 789                                 "Enabled", DBUS_TYPE_BOOLEAN_AS_STRING,
 790                                 set_network_enabled, NULL, &enable);
 791 }
 792
 793 dbus_bool_t g_supplicant_interface_get_ready(GSupplicantInterface *interface)
 794 {
 795         if (interface == NULL)
 796                 return FALSE;
 797
 798         return interface->ready;
 799 }
 800
 801 GSupplicantInterface *g_supplicant_network_get_interface(
 802                                         GSupplicantNetwork *network)
 803 {
 804         if (network == NULL)
 805                 return NULL;
 806
 807         return network->interface;
 808 }
 809
 810 const char *g_supplicant_network_get_name(GSupplicantNetwork *network)
 811 {
 812         if (network == NULL || network->name == NULL)
 813                 return "";
 814
 815         return network->name;
 816 }
 817
 818 const char *g_supplicant_network_get_identifier(GSupplicantNetwork *network)
 819 {
 820         if (network == NULL || network->group == NULL)
 821                 return "";
 822
 823         return network->group;
 824 }
 825
 826 const char *g_supplicant_network_get_path(GSupplicantNetwork *network)
 827 {
 828         if (network == NULL || network->path == NULL)
 829                 return NULL;
 830
 831         return network->path;
 832 }
 833
 834 const char *g_supplicant_network_get_mode(GSupplicantNetwork *network)
 835 {
 836         if (network == NULL)
 837                 return G_SUPPLICANT_MODE_UNKNOWN;
 838
 839         return mode2string(network->mode);
 840 }
 841
 842 const char *g_supplicant_network_get_security(GSupplicantNetwork *network)
 843 {
 844         if (network == NULL)
 845                 return G_SUPPLICANT_SECURITY_UNKNOWN;
 846
 847         return security2string(network->security);
 848 }
 849
 850 const void *g_supplicant_network_get_ssid(GSupplicantNetwork *network,
 851                                                 unsigned int *ssid_len)
 852 {
 853         if (network == NULL || network->ssid == NULL) {
 854                 *ssid_len = 0;
 855                 return NULL;
 856         }
 857
 858         *ssid_len = network->ssid_len;
 859         return network->ssid;
 860 }
 861
 862 dbus_int16_t g_supplicant_network_get_signal(GSupplicantNetwork *network)
 863 {
 864         if (network == NULL)
 865                 return 0;
 866
 867         return network->signal;
 868 }
 869
 870 dbus_uint16_t g_supplicant_network_get_frequency(GSupplicantNetwork *network)
 871 {
 872         if (network == NULL)
 873                 return 0;
 874
 875         return network->frequency;
 876 }
 877
 878 dbus_bool_t g_supplicant_network_get_wps(GSupplicantNetwork *network)
 879 {
 880         if (network == NULL)
 881                 return FALSE;
 882
 883         return network->wps;
 884 }
 885
 886 dbus_bool_t g_supplicant_network_is_wps_active(GSupplicantNetwork *network)
 887 {
 888         if (network == NULL)
 889                 return FALSE;
 890
 891         if (network->wps_capabilities & G_SUPPLICANT_WPS_CONFIGURED)
 892                 return TRUE;
 893
 894         return FALSE;
 895 }
 896
 897 dbus_bool_t g_supplicant_network_is_wps_pbc(GSupplicantNetwork *network)
 898 {
 899         if (network == NULL)
 900                 return FALSE;
 901
 902         if (network->wps_capabilities & G_SUPPLICANT_WPS_PBC)
 903                 return TRUE;
 904
 905         return FALSE;
 906 }
 907
 908 dbus_bool_t g_supplicant_network_is_wps_advertizing(GSupplicantNetwork *network)
 909 {
 910         if (network == NULL)
 911                 return FALSE;
 912
 913         if (network->wps_capabilities & G_SUPPLICANT_WPS_REGISTRAR)
 914                 return TRUE;
 915
 916         return FALSE;
 917 }
 918
 919 #if defined TIZEN_EXT
 920 /*
 921  * Description: Network client requires additional wifi specific info
 922  */
 923 const unsigned char *g_supplicant_network_get_bssid(GSupplicantNetwork *network)
 924 {
 925         if (network == NULL || network->best_bss == NULL)
 926                 return NULL;
 927
 928         return (const unsigned char *)network->best_bss->bssid;
 929 }
 930
 931 unsigned int g_supplicant_network_get_maxrate(GSupplicantNetwork *network)
 932 {
 933         if (network == NULL || network->best_bss == NULL)
 934                 return 0;
 935
 936         return network->best_bss->maxrate;
 937 }
 938
 939 const char *g_supplicant_network_get_enc_mode(GSupplicantNetwork *network)
 940 {
 941         if (network == NULL || network->best_bss == NULL)
 942                 return NULL;
 943
 944         if (network->best_bss->security == G_SUPPLICANT_SECURITY_PSK ||
 945             network->best_bss->security == G_SUPPLICANT_SECURITY_IEEE8021X) {
 946                 unsigned int pairwise;
 947
 948                 pairwise = network->best_bss->rsn_pairwise |
 949                                 network->best_bss->wpa_pairwise;
 950
 951                 if ((pairwise & G_SUPPLICANT_PAIRWISE_CCMP) &&
 952                     (pairwise & G_SUPPLICANT_PAIRWISE_TKIP))
 953                         return "mixed";
 954                 else if (pairwise & G_SUPPLICANT_PAIRWISE_CCMP)
 955                         return "aes";
 956                 else if (pairwise & G_SUPPLICANT_PAIRWISE_TKIP)
 957                         return "tkip";
 958
 959         } else if (network->best_bss->security == G_SUPPLICANT_SECURITY_WEP)
 960                 return "wep";
 961         else if (network->best_bss->security == G_SUPPLICANT_SECURITY_NONE)
 962                 return "none";
 963
 964         return NULL;
 965 }
 966 #endif
 967
 968 static void merge_network(GSupplicantNetwork *network)
 969 {
 970         GString *str;
 971         const char *ssid, *mode, *key_mgmt;
 972         unsigned int i, ssid_len;
 973         char *group;
 974
 975         ssid = g_hash_table_lookup(network->config_table, "ssid");
 976         mode = g_hash_table_lookup(network->config_table, "mode");
 977         key_mgmt = g_hash_table_lookup(network->config_table, "key_mgmt");
 978
 979         SUPPLICANT_DBG("ssid %s mode %s", ssid, mode);
 980
 981         if (ssid != NULL)
 982                 ssid_len = strlen(ssid);
 983         else
 984                 ssid_len = 0;
 985
 986         str = g_string_sized_new((ssid_len * 2) + 24);
 987         if (str == NULL)
 988                 return;
 989
 990         for (i = 0; i < ssid_len; i++)
 991                 g_string_append_printf(str, "%02x", ssid[i]);
 992
 993         if (g_strcmp0(mode, "0") == 0)
 994                 g_string_append_printf(str, "_managed");
 995         else if (g_strcmp0(mode, "1") == 0)
 996                 g_string_append_printf(str, "_adhoc");
 997
 998         if (g_strcmp0(key_mgmt, "WPA-PSK") == 0)
 999                 g_string_append_printf(str, "_psk");
1000
1001         group = g_string_free(str, FALSE);
1002
1003         SUPPLICANT_DBG("%s", group);
1004
1005         g_free(group);
1006
1007         g_hash_table_destroy(network->config_table);
1008
1009         g_free(network->path);
1010         g_free(network);
1011 }
1012
1013 static void network_property(const char *key, DBusMessageIter *iter,
1014                                                         void *user_data)
1015 {
1016         GSupplicantNetwork *network = user_data;
1017
1018         if (network->interface == NULL)
1019                 return;
1020
1021         if (key == NULL) {
1022                 merge_network(network);
1023                 return;
1024         }
1025
1026         if (g_strcmp0(key, "Enabled") == 0) {
1027                 dbus_bool_t enabled = FALSE;
1028
1029                 dbus_message_iter_get_basic(iter, &enabled);
1030         } else if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
1031                 const char *str = NULL;
1032
1033                 dbus_message_iter_get_basic(iter, &str);
1034                 if (str != NULL) {
1035                         g_hash_table_replace(network->config_table,
1036                                                 g_strdup(key), g_strdup(str));
1037                 }
1038         } else
1039                 SUPPLICANT_DBG("key %s type %c",
1040                                 key, dbus_message_iter_get_arg_type(iter));
1041 }
1042
1043 static void interface_network_added(DBusMessageIter *iter, void *user_data)
1044 {
1045         GSupplicantInterface *interface = user_data;
1046         GSupplicantNetwork *network;
1047         const char *path = NULL;
1048
1049         SUPPLICANT_DBG("");
1050
1051         dbus_message_iter_get_basic(iter, &path);
1052         if (path == NULL)
1053                 return;
1054
1055         if (g_strcmp0(path, "/") == 0)
1056                 return;
1057
1058         network = g_hash_table_lookup(interface->net_mapping, path);
1059         if (network != NULL)
1060                 return;
1061
1062         network = g_try_new0(GSupplicantNetwork, 1);
1063         if (network == NULL)
1064                 return;
1065
1066         network->interface = interface;
1067         network->path = g_strdup(path);
1068
1069         network->config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1070                                                         g_free, g_free);
1071
1072         dbus_message_iter_next(iter);
1073         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_INVALID) {
1074                 supplicant_dbus_property_foreach(iter, network_property,
1075                                                                 network);
1076                 network_property(NULL, NULL, network);
1077                 return;
1078         }
1079
1080         supplicant_dbus_property_get_all(path,
1081                                 SUPPLICANT_INTERFACE ".Network",
1082                                                 network_property, network);
1083 }
1084
1085 static void interface_network_removed(DBusMessageIter *iter, void *user_data)
1086 {
1087         GSupplicantInterface *interface = user_data;
1088         GSupplicantNetwork *network;
1089         const char *path = NULL;
1090
1091         dbus_message_iter_get_basic(iter, &path);
1092         if (path == NULL)
1093                 return;
1094
1095         network = g_hash_table_lookup(interface->net_mapping, path);
1096         if (network == NULL)
1097                 return;
1098
1099         g_hash_table_remove(interface->net_mapping, path);
1100 }
1101
1102 static char *create_name(unsigned char *ssid, int ssid_len)
1103 {
1104         GString *string;
1105         const gchar *remainder, *invalid;
1106         int valid_bytes, remaining_bytes;
1107
1108         if (ssid_len < 1 || ssid[0] == '\0')
1109                 return g_strdup("");
1110
1111         string = NULL;
1112         remainder = (const gchar *)ssid;
1113         remaining_bytes = ssid_len;
1114
1115         while (remaining_bytes != 0) {
1116                 if (g_utf8_validate(remainder, remaining_bytes,
1117                                         &invalid) == TRUE) {
1118                         break;
1119                 }
1120
1121                 valid_bytes = invalid - remainder;
1122
1123                 if (string == NULL)
1124                         string = g_string_sized_new(remaining_bytes);
1125
1126                 g_string_append_len(string, remainder, valid_bytes);
1127
1128                 /* append U+FFFD REPLACEMENT CHARACTER */
1129                 g_string_append(string, "\357\277\275");
1130
1131                 remaining_bytes -= valid_bytes + 1;
1132                 remainder = invalid + 1;
1133         }
1134
1135         if (string == NULL)
1136                 return g_strndup((const gchar *)ssid, ssid_len + 1);
1137
1138         g_string_append(string, remainder);
1139
1140         return g_string_free(string, FALSE);
1141 }
1142
1143 static char *create_group(struct g_supplicant_bss *bss)
1144 {
1145         GString *str;
1146         unsigned int i;
1147         const char *mode, *security;
1148
1149         str = g_string_sized_new((bss->ssid_len * 2) + 24);
1150         if (str == NULL)
1151                 return NULL;
1152
1153         if (bss->ssid_len > 0 && bss->ssid[0] != '\0') {
1154                 for (i = 0; i < bss->ssid_len; i++)
1155                         g_string_append_printf(str, "%02x", bss->ssid[i]);
1156         } else
1157                 g_string_append_printf(str, "hidden");
1158
1159         mode = mode2string(bss->mode);
1160         if (mode != NULL)
1161                 g_string_append_printf(str, "_%s", mode);
1162
1163         security = security2string(bss->security);
1164         if (security != NULL)
1165                 g_string_append_printf(str, "_%s", security);
1166
1167         return g_string_free(str, FALSE);
1168 }
1169
1170 static void add_or_replace_bss_to_network(struct g_supplicant_bss *bss)
1171 {
1172         GSupplicantInterface *interface = bss->interface;
1173         GSupplicantNetwork *network;
1174         char *group;
1175
1176         group = create_group(bss);
1177         SUPPLICANT_DBG("New group created: %s", group);
1178
1179         if (group == NULL)
1180                 return;
1181
1182         network = g_hash_table_lookup(interface->network_table, group);
1183         if (network != NULL) {
1184                 g_free(group);
1185                 SUPPLICANT_DBG("Network %s already exist", network->name);
1186
1187                 goto done;
1188         }
1189
1190         network = g_try_new0(GSupplicantNetwork, 1);
1191         if (network == NULL) {
1192                 g_free(group);
1193                 return;
1194         }
1195
1196         network->interface = interface;
1197         if (network->path == NULL)
1198                 network->path = g_strdup(bss->path);
1199         network->group = group;
1200         network->name = create_name(bss->ssid, bss->ssid_len);
1201         network->mode = bss->mode;
1202         network->security = bss->security;
1203         network->ssid_len = bss->ssid_len;
1204         memcpy(network->ssid, bss->ssid, bss->ssid_len);
1205         network->signal = bss->signal;
1206         network->frequency = bss->frequency;
1207         network->best_bss = bss;
1208
1209         SUPPLICANT_DBG("New network %s created", network->name);
1210
1211         network->bss_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1212                                                         NULL, remove_bss);
1213
1214         network->config_table = g_hash_table_new_full(g_str_hash, g_str_equal,
1215                                                         g_free, g_free);
1216
1217         g_hash_table_replace(interface->network_table,
1218                                                 network->group, network);
1219
1220         callback_network_added(network);
1221
1222 done:
1223         /* We update network's WPS properties if only bss provides WPS. */
1224         if ((bss->keymgmt & G_SUPPLICANT_KEYMGMT_WPS) != 0) {
1225                 network->wps = TRUE;
1226                 network->wps_capabilities |= bss->wps_capabilities;
1227         }
1228
1229         if (bss->signal > network->signal) {
1230                 network->signal = bss->signal;
1231                 network->best_bss = bss;
1232                 callback_network_changed(network, "Signal");
1233         }
1234
1235         g_hash_table_replace(interface->bss_mapping, bss->path, network);
1236         g_hash_table_replace(network->bss_table, bss->path, bss);
1237
1238         g_hash_table_replace(bss_mapping, bss->path, interface);
1239 }
1240
1241 static void bss_rates(DBusMessageIter *iter, void *user_data)
1242 {
1243         struct g_supplicant_bss *bss = user_data;
1244         dbus_uint32_t rate = 0;
1245
1246         dbus_message_iter_get_basic(iter, &rate);
1247         if (rate == 0)
1248                 return;
1249
1250         if (rate > bss->maxrate)
1251                 bss->maxrate = rate;
1252 }
1253
1254 static void bss_keymgmt(DBusMessageIter *iter, void *user_data)
1255 {
1256         unsigned int *keymgmt = user_data;
1257         const char *str = NULL;
1258         int i;
1259
1260         dbus_message_iter_get_basic(iter, &str);
1261         if (str == NULL)
1262                 return;
1263
1264         for (i = 0; keymgmt_map[i].str != NULL; i++)
1265                 if (strcmp(str, keymgmt_map[i].str) == 0) {
1266                         SUPPLICANT_DBG("Keymgmt: %s", str);
1267                         *keymgmt |= keymgmt_map[i].val;
1268                         break;
1269                 }
1270 }
1271
1272 static void bss_group(DBusMessageIter *iter, void *user_data)
1273 {
1274         unsigned int *group = user_data;
1275         const char *str = NULL;
1276         int i;
1277
1278         dbus_message_iter_get_basic(iter, &str);
1279         if (str == NULL)
1280                 return;
1281
1282         for (i = 0; group_map[i].str != NULL; i++)
1283                 if (strcmp(str, group_map[i].str) == 0) {
1284                         SUPPLICANT_DBG("Group: %s", str);
1285                         *group |= group_map[i].val;
1286                         break;
1287                 }
1288 }
1289
1290 static void bss_pairwise(DBusMessageIter *iter, void *user_data)
1291 {
1292         unsigned int *pairwise = user_data;
1293         const char *str = NULL;
1294         int i;
1295
1296         dbus_message_iter_get_basic(iter, &str);
1297         if (str == NULL)
1298                 return;
1299
1300         for (i = 0; pairwise_map[i].str != NULL; i++)
1301                 if (strcmp(str, pairwise_map[i].str) == 0) {
1302                         SUPPLICANT_DBG("Pairwise: %s", str);
1303                         *pairwise |= pairwise_map[i].val;
1304                         break;
1305                 }
1306 }
1307
1308 static void bss_wpa(const char *key, DBusMessageIter *iter,
1309                         void *user_data)
1310 {
1311         struct g_supplicant_bss *bss = user_data;
1312         unsigned int value = 0;
1313
1314         SUPPLICANT_DBG("Key: %s", key);
1315
1316         if (g_strcmp0(key, "KeyMgmt") == 0) {
1317                 supplicant_dbus_array_foreach(iter, bss_keymgmt, &value);
1318
1319                 if (bss->rsn_selected == TRUE)
1320                         bss->rsn_keymgmt = value;
1321                 else
1322                         bss->wpa_keymgmt = value;
1323         } else if (g_strcmp0(key, "Group") == 0) {
1324                 supplicant_dbus_array_foreach(iter, bss_group, &value);
1325
1326                 if (bss->rsn_selected == TRUE)
1327                         bss->rsn_group = value;
1328                 else
1329                         bss->wpa_group = value;
1330         } else if (g_strcmp0(key, "Pairwise") == 0) {
1331                 supplicant_dbus_array_foreach(iter, bss_pairwise, &value);
1332
1333                 if (bss->rsn_selected == TRUE)
1334                         bss->rsn_pairwise = value;
1335                 else
1336                         bss->wpa_pairwise = value;
1337         }
1338 }
1339
1340 static unsigned int get_tlv(unsigned char *ie, unsigned int ie_size,
1341                                                         unsigned int type)
1342 {
1343         unsigned int len = 0;
1344
1345         while (len + 4 < ie_size) {
1346                 unsigned int hi = ie[len];
1347                 unsigned int lo = ie[len + 1];
1348                 unsigned int tmp_type = (hi << 8) + lo;
1349                 unsigned int v_len = 0;
1350
1351                 /* hi and lo are used to recreate an unsigned int
1352                  * based on 2 8bits length unsigned int. */
1353
1354                 hi = ie[len + 2];
1355                 lo = ie[len + 3];
1356                 v_len = (hi << 8) + lo;
1357
1358                 if (tmp_type == type) {
1359                         unsigned int ret_value = 0;
1360                         unsigned char *value = (unsigned char *)&ret_value;
1361
1362                         SUPPLICANT_DBG("IE: match type 0x%x", type);
1363
1364                         /* Verifying length relevance */
1365                         if (v_len > sizeof(unsigned int) ||
1366                                 len + 4 + v_len > ie_size)
1367                                 break;
1368
1369                         memcpy(value, ie + len + 4, v_len);
1370
1371                         SUPPLICANT_DBG("returning 0x%x", ret_value);
1372                         return ret_value;
1373                 }
1374
1375                 len += v_len + 4;
1376         }
1377
1378         SUPPLICANT_DBG("returning 0");
1379         return 0;
1380 }
1381
1382 static void bss_process_ies(DBusMessageIter *iter, void *user_data)
1383 {
1384         struct g_supplicant_bss *bss = user_data;
1385         const unsigned char WPS_OUI[] = { 0x00, 0x50, 0xf2, 0x04 };
1386         unsigned char *ie, *ie_end;
1387         DBusMessageIter array;
1388         unsigned int value;
1389         int ie_len;
1390
1391 #define WMM_WPA1_WPS_INFO 221
1392 #define WPS_INFO_MIN_LEN  6
1393 #define WPS_VERSION_TLV   0x104A
1394 #define WPS_STATE_TLV     0x1044
1395 #define WPS_METHODS_TLV   0x1012
1396 #define WPS_REGISTRAR_TLV 0x1041
1397 #define WPS_VERSION       0x10
1398 #define WPS_PBC           0x04
1399 #define WPS_PIN           0x00
1400 #define WPS_CONFIGURED    0x02
1401
1402         dbus_message_iter_recurse(iter, &array);
1403         dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
1404
1405         if (ie == NULL || ie_len < 2)
1406                 return;
1407
1408         bss->wps_capabilities = 0;
1409         bss->keymgmt = 0;
1410
1411         for (ie_end = ie + ie_len; ie < ie_end && ie + ie[1] + 1 <= ie_end;
1412                                                         ie += ie[1] + 2) {
1413
1414                 if (ie[0] != WMM_WPA1_WPS_INFO || ie[1] < WPS_INFO_MIN_LEN ||
1415                         memcmp(ie+2, WPS_OUI, sizeof(WPS_OUI)) != 0)
1416                         continue;
1417
1418                 SUPPLICANT_DBG("IE: match WPS_OUI");
1419
1420                 value = get_tlv(&ie[6], ie[1], WPS_STATE_TLV);
1421                 if (get_tlv(&ie[6], ie[1], WPS_VERSION_TLV) == WPS_VERSION &&
1422                                                                 value != 0) {
1423                         bss->keymgmt |= G_SUPPLICANT_KEYMGMT_WPS;
1424
1425                         if (value == WPS_CONFIGURED)
1426                                 bss->wps_capabilities |=
1427                                         G_SUPPLICANT_WPS_CONFIGURED;
1428                 }
1429
1430                 value = get_tlv(&ie[6], ie[1], WPS_METHODS_TLV);
1431                 if (value != 0) {
1432                         if (GUINT16_FROM_BE(value) == WPS_PBC)
1433                                 bss->wps_capabilities |= G_SUPPLICANT_WPS_PBC;
1434                         if (GUINT16_FROM_BE(value) == WPS_PIN)
1435                                 bss->wps_capabilities |= G_SUPPLICANT_WPS_PIN;
1436                 } else
1437                         bss->wps_capabilities |=
1438                                 G_SUPPLICANT_WPS_PBC | G_SUPPLICANT_WPS_PIN;
1439
1440                 /* If the AP sends this it means it's advertizing
1441                  * as a registrar and the WPS process is launched
1442                  * on its side */
1443                 if (get_tlv(&ie[6], ie[1], WPS_REGISTRAR_TLV) != 0)
1444                         bss->wps_capabilities |= G_SUPPLICANT_WPS_REGISTRAR;
1445
1446                 SUPPLICANT_DBG("WPS Methods 0x%x", bss->wps_capabilities);
1447         }
1448 }
1449
1450 static void bss_compute_security(struct g_supplicant_bss *bss)
1451 {
1452         /*
1453          * Combining RSN and WPA keymgmt
1454          * We combine it since parsing IEs might have set something for WPS. */
1455         bss->keymgmt |= bss->rsn_keymgmt | bss->wpa_keymgmt;
1456
1457         bss->ieee8021x = FALSE;
1458         bss->psk = FALSE;
1459
1460         if (bss->keymgmt &
1461                         (G_SUPPLICANT_KEYMGMT_WPA_EAP |
1462                                 G_SUPPLICANT_KEYMGMT_WPA_FT_EAP |
1463                                 G_SUPPLICANT_KEYMGMT_WPA_EAP_256))
1464                 bss->ieee8021x = TRUE;
1465
1466         if (bss->keymgmt &
1467                         (G_SUPPLICANT_KEYMGMT_WPA_PSK |
1468                                 G_SUPPLICANT_KEYMGMT_WPA_FT_PSK |
1469                                 G_SUPPLICANT_KEYMGMT_WPA_PSK_256))
1470                 bss->psk = TRUE;
1471
1472         if (bss->ieee8021x == TRUE)
1473                 bss->security = G_SUPPLICANT_SECURITY_IEEE8021X;
1474         else if (bss->psk == TRUE)
1475                 bss->security = G_SUPPLICANT_SECURITY_PSK;
1476         else if (bss->privacy == TRUE)
1477                 bss->security = G_SUPPLICANT_SECURITY_WEP;
1478         else
1479                 bss->security = G_SUPPLICANT_SECURITY_NONE;
1480 }
1481
1482
1483 static void bss_property(const char *key, DBusMessageIter *iter,
1484                                                         void *user_data)
1485 {
1486         struct g_supplicant_bss *bss = user_data;
1487
1488         if (bss->interface == NULL)
1489                 return;
1490
1491         SUPPLICANT_DBG("key %s", key);
1492
1493         if (key == NULL)
1494                 return;
1495
1496         if (g_strcmp0(key, "BSSID") == 0) {
1497                 DBusMessageIter array;
1498                 unsigned char *addr;
1499                 int addr_len;
1500
1501                 dbus_message_iter_recurse(iter, &array);
1502                 dbus_message_iter_get_fixed_array(&array, &addr, &addr_len);
1503
1504                 if (addr_len == 6)
1505                         memcpy(bss->bssid, addr, addr_len);
1506         } else if (g_strcmp0(key, "SSID") == 0) {
1507                 DBusMessageIter array;
1508                 unsigned char *ssid;
1509                 int ssid_len;
1510
1511                 dbus_message_iter_recurse(iter, &array);
1512                 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
1513
1514                 if (ssid_len > 0 && ssid_len < 33) {
1515                         memcpy(bss->ssid, ssid, ssid_len);
1516                         bss->ssid_len = ssid_len;
1517                 } else {
1518                         memset(bss->ssid, 0, sizeof(bss->ssid));
1519                         bss->ssid_len = 0;
1520                 }
1521         } else if (g_strcmp0(key, "Capabilities") == 0) {
1522                 dbus_uint16_t capabilities = 0x0000;
1523
1524                 dbus_message_iter_get_basic(iter, &capabilities);
1525
1526                 if (capabilities & IEEE80211_CAP_ESS)
1527                         bss->mode = G_SUPPLICANT_MODE_INFRA;
1528                 else if (capabilities & IEEE80211_CAP_IBSS)
1529                         bss->mode = G_SUPPLICANT_MODE_IBSS;
1530
1531                 if (capabilities & IEEE80211_CAP_PRIVACY)
1532                         bss->privacy = TRUE;
1533         } else if (g_strcmp0(key, "Mode") == 0) {
1534                 const char *mode = NULL;
1535
1536                 dbus_message_iter_get_basic(iter, &mode);
1537                 bss->mode = string2mode(mode);
1538         } else if (g_strcmp0(key, "Frequency") == 0) {
1539                 dbus_uint16_t frequency = 0;
1540
1541                 dbus_message_iter_get_basic(iter, &frequency);
1542                 bss->frequency = frequency;
1543         } else if (g_strcmp0(key, "Signal") == 0) {
1544                 dbus_int16_t signal = 0;
1545
1546                 dbus_message_iter_get_basic(iter, &signal);
1547
1548                 bss->signal = signal;
1549         } else if (g_strcmp0(key, "Level") == 0) {
1550                 dbus_int32_t level = 0;
1551
1552                 dbus_message_iter_get_basic(iter, &level);
1553         } else if (g_strcmp0(key, "Rates") == 0) {
1554                 supplicant_dbus_array_foreach(iter, bss_rates, bss);
1555         } else if (g_strcmp0(key, "MaxRate") == 0) {
1556                 dbus_uint32_t maxrate = 0;
1557
1558                 dbus_message_iter_get_basic(iter, &maxrate);
1559                 if (maxrate != 0)
1560                         bss->maxrate = maxrate;
1561         } else if (g_strcmp0(key, "Privacy") == 0) {
1562                 dbus_bool_t privacy = FALSE;
1563
1564                 dbus_message_iter_get_basic(iter, &privacy);
1565                 bss->privacy = privacy;
1566         } else if (g_strcmp0(key, "RSN") == 0) {
1567                 bss->rsn_selected = TRUE;
1568
1569                 supplicant_dbus_property_foreach(iter, bss_wpa, bss);
1570         } else if (g_strcmp0(key, "WPA") == 0) {
1571                 bss->rsn_selected = FALSE;
1572
1573                 supplicant_dbus_property_foreach(iter, bss_wpa, bss);
1574         } else if (g_strcmp0(key, "IEs") == 0)
1575                 bss_process_ies(iter, bss);
1576         else
1577                 SUPPLICANT_DBG("key %s type %c",
1578                                 key, dbus_message_iter_get_arg_type(iter));
1579 }
1580
1581 static struct g_supplicant_bss *interface_bss_added(DBusMessageIter *iter,
1582                                                         void *user_data)
1583 {
1584         GSupplicantInterface *interface = user_data;
1585         GSupplicantNetwork *network;
1586         struct g_supplicant_bss *bss;
1587         const char *path = NULL;
1588
1589         SUPPLICANT_DBG("");
1590
1591         dbus_message_iter_get_basic(iter, &path);
1592         if (path == NULL)
1593                 return NULL;
1594
1595         if (g_strcmp0(path, "/") == 0)
1596                 return NULL;
1597
1598         SUPPLICANT_DBG("%s", path);
1599
1600         network = g_hash_table_lookup(interface->bss_mapping, path);
1601         if (network != NULL) {
1602                 bss = g_hash_table_lookup(network->bss_table, path);
1603                 if (bss != NULL)
1604                         return NULL;
1605         }
1606
1607         bss = g_try_new0(struct g_supplicant_bss, 1);
1608         if (bss == NULL)
1609                 return NULL;
1610
1611         bss->interface = interface;
1612         bss->path = g_strdup(path);
1613
1614         return bss;
1615 }
1616
1617 static void interface_bss_added_with_keys(DBusMessageIter *iter,
1618                                                 void *user_data)
1619 {
1620         struct g_supplicant_bss *bss;
1621
1622         SUPPLICANT_DBG("");
1623
1624         bss = interface_bss_added(iter, user_data);
1625         if (bss == NULL)
1626                 return;
1627
1628         dbus_message_iter_next(iter);
1629
1630         if (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_INVALID)
1631                 return;
1632
1633         supplicant_dbus_property_foreach(iter, bss_property, bss);
1634
1635         bss_compute_security(bss);
1636         add_or_replace_bss_to_network(bss);
1637 }
1638
1639 static void interface_bss_added_without_keys(DBusMessageIter *iter,
1640                                                 void *user_data)
1641 {
1642         struct g_supplicant_bss *bss;
1643
1644         SUPPLICANT_DBG("");
1645
1646         bss = interface_bss_added(iter, user_data);
1647         if (bss == NULL)
1648                 return;
1649
1650         supplicant_dbus_property_get_all(bss->path,
1651                                         SUPPLICANT_INTERFACE ".BSS",
1652                                                         bss_property, bss);
1653
1654         bss_compute_security(bss);
1655         add_or_replace_bss_to_network(bss);
1656 }
1657
1658 static void update_signal(gpointer key, gpointer value,
1659                                                 gpointer user_data)
1660 {
1661         struct g_supplicant_bss *bss = value;
1662         GSupplicantNetwork *network = user_data;
1663
1664         if (bss->signal > network->signal) {
1665                 network->signal = bss->signal;
1666                 network->best_bss = bss;
1667         }
1668 }
1669
1670 static void update_network_signal(GSupplicantNetwork *network)
1671 {
1672         if (g_hash_table_size(network->bss_table) <= 1)
1673                 return;
1674
1675         g_hash_table_foreach(network->bss_table,
1676                                 update_signal, network);
1677
1678         SUPPLICANT_DBG("New network signal %d", network->signal);
1679 }
1680
1681 static void interface_bss_removed(DBusMessageIter *iter, void *user_data)
1682 {
1683         GSupplicantInterface *interface = user_data;
1684         GSupplicantNetwork *network;
1685         const char *path = NULL;
1686
1687         dbus_message_iter_get_basic(iter, &path);
1688         if (path == NULL)
1689                 return;
1690
1691         network = g_hash_table_lookup(interface->bss_mapping, path);
1692         if (network == NULL)
1693                 return;
1694
1695         g_hash_table_remove(bss_mapping, path);
1696
1697         g_hash_table_remove(interface->bss_mapping, path);
1698         g_hash_table_remove(network->bss_table, path);
1699
1700         update_network_signal(network);
1701
1702         if (g_hash_table_size(network->bss_table) == 0)
1703                 g_hash_table_remove(interface->network_table, network->group);
1704 }
1705
1706 static void interface_property(const char *key, DBusMessageIter *iter,
1707                                                         void *user_data)
1708 {
1709         GSupplicantInterface *interface = user_data;
1710
1711         if (interface == NULL)
1712                 return;
1713
1714         SUPPLICANT_DBG("%s", key);
1715
1716         if (key == NULL) {
1717                 debug_strvalmap("KeyMgmt capability", keymgmt_map,
1718                                                 interface->keymgmt_capa);
1719                 debug_strvalmap("AuthAlg capability", authalg_capa_map,
1720                                                 interface->authalg_capa);
1721                 debug_strvalmap("Protocol capability", proto_capa_map,
1722                                                 interface->proto_capa);
1723                 debug_strvalmap("Pairwise capability", pairwise_map,
1724                                                 interface->pairwise_capa);
1725                 debug_strvalmap("Group capability", group_map,
1726                                                 interface->group_capa);
1727                 debug_strvalmap("Scan capability", scan_capa_map,
1728                                                 interface->scan_capa);
1729                 debug_strvalmap("Mode capability", mode_capa_map,
1730                                                 interface->mode_capa);
1731
1732                 if (interface->ready)
1733                         callback_interface_added(interface);
1734
1735                 return;
1736         }
1737
1738         if (g_strcmp0(key, "Capabilities") == 0) {
1739                 supplicant_dbus_property_foreach(iter, interface_capability,
1740                                                                 interface);
1741         } else if (g_strcmp0(key, "State") == 0) {
1742                 const char *str = NULL;
1743
1744                 dbus_message_iter_get_basic(iter, &str);
1745                 if (str != NULL)
1746                         if (string2state(str) != interface->state) {
1747                                 interface->state = string2state(str);
1748                                 callback_interface_state(interface);
1749                         }
1750                 if (interface->state == G_SUPPLICANT_STATE_DISABLED)
1751                         interface->ready = FALSE;
1752                 else
1753                         interface->ready = TRUE;
1754
1755                 SUPPLICANT_DBG("state %s (%d)", str, interface->state);
1756         } else if (g_strcmp0(key, "Scanning") == 0) {
1757                 dbus_bool_t scanning = FALSE;
1758
1759                 dbus_message_iter_get_basic(iter, &scanning);
1760                 interface->scanning = scanning;
1761
1762                 if (interface->ready == TRUE) {
1763                         if (interface->scanning == TRUE)
1764                                 callback_scan_started(interface);
1765                         else
1766                                 callback_scan_finished(interface);
1767                 }
1768         } else if (g_strcmp0(key, "ApScan") == 0) {
1769                 int apscan = 1;
1770
1771                 dbus_message_iter_get_basic(iter, &apscan);
1772                 interface->apscan = apscan;
1773         } else if (g_strcmp0(key, "Ifname") == 0) {
1774                 const char *str = NULL;
1775
1776                 dbus_message_iter_get_basic(iter, &str);
1777                 if (str != NULL) {
1778                         g_free(interface->ifname);
1779                         interface->ifname = g_strdup(str);
1780                 }
1781         } else if (g_strcmp0(key, "Driver") == 0) {
1782                 const char *str = NULL;
1783
1784                 dbus_message_iter_get_basic(iter, &str);
1785                 if (str != NULL) {
1786                         g_free(interface->driver);
1787                         interface->driver = g_strdup(str);
1788                 }
1789         } else if (g_strcmp0(key, "BridgeIfname") == 0) {
1790                 const char *str = NULL;
1791
1792                 dbus_message_iter_get_basic(iter, &str);
1793                 if (str != NULL) {
1794                         g_free(interface->bridge);
1795                         interface->bridge = g_strdup(str);
1796                 }
1797         } else if (g_strcmp0(key, "CurrentBSS") == 0) {
1798                 interface_bss_added_without_keys(iter, interface);
1799         } else if (g_strcmp0(key, "CurrentNetwork") == 0) {
1800                 interface_network_added(iter, interface);
1801         } else if (g_strcmp0(key, "BSSs") == 0) {
1802                 supplicant_dbus_array_foreach(iter, interface_bss_added_without_keys,
1803                                                                 interface);
1804         } else if (g_strcmp0(key, "Blobs") == 0) {
1805                 /* Nothing */
1806         } else if (g_strcmp0(key, "Networks") == 0) {
1807                 supplicant_dbus_array_foreach(iter, interface_network_added,
1808                                                                 interface);
1809         } else
1810                 SUPPLICANT_DBG("key %s type %c",
1811                                 key, dbus_message_iter_get_arg_type(iter));
1812 }
1813
1814 static void scan_network_update(DBusMessageIter *iter, void *user_data)
1815 {
1816         GSupplicantInterface *interface = user_data;
1817         GSupplicantNetwork *network;
1818         char *path;
1819
1820         if (iter == NULL)
1821                 return;
1822
1823         dbus_message_iter_get_basic(iter, &path);
1824
1825         if (path == NULL)
1826                 return;
1827
1828         if (g_strcmp0(path, "/") == 0)
1829                 return;
1830
1831         /* Update the network details based on scan BSS data */
1832         network = g_hash_table_lookup(interface->bss_mapping, path);
1833         if (network != NULL)
1834                 callback_network_added(network);
1835 }
1836
1837 static void scan_bss_data(const char *key, DBusMessageIter *iter,
1838                                 void *user_data)
1839 {
1840         GSupplicantInterface *interface = user_data;
1841
1842         if (iter)
1843                 supplicant_dbus_array_foreach(iter, scan_network_update,
1844                                                 interface);
1845
1846         if (interface->scan_callback != NULL)
1847                 interface->scan_callback(0, interface, interface->scan_data);
1848
1849         interface->scan_callback = NULL;
1850         interface->scan_data = NULL;
1851 }
1852
1853 static GSupplicantInterface *interface_alloc(const char *path)
1854 {
1855         GSupplicantInterface *interface;
1856
1857         interface = g_try_new0(GSupplicantInterface, 1);
1858         if (interface == NULL)
1859                 return NULL;
1860
1861         interface->path = g_strdup(path);
1862
1863         interface->network_table = g_hash_table_new_full(g_str_hash,
1864                                         g_str_equal, NULL, remove_network);
1865
1866         interface->net_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1867                                                                 NULL, NULL);
1868         interface->bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1869                                                                 NULL, NULL);
1870
1871         g_hash_table_replace(interface_table, interface->path, interface);
1872
1873         return interface;
1874 }
1875
1876 static void interface_added(DBusMessageIter *iter, void *user_data)
1877 {
1878         GSupplicantInterface *interface;
1879         const char *path = NULL;
1880
1881         SUPPLICANT_DBG("");
1882
1883         dbus_message_iter_get_basic(iter, &path);
1884         if (path == NULL)
1885                 return;
1886
1887         if (g_strcmp0(path, "/") == 0)
1888                 return;
1889
1890         interface = g_hash_table_lookup(interface_table, path);
1891         if (interface != NULL)
1892                 return;
1893
1894         interface = interface_alloc(path);
1895         if (interface == NULL)
1896                 return;
1897
1898         dbus_message_iter_next(iter);
1899         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_INVALID) {
1900                 supplicant_dbus_property_foreach(iter, interface_property,
1901                                                                 interface);
1902                 interface_property(NULL, NULL, interface);
1903                 return;
1904         }
1905
1906         supplicant_dbus_property_get_all(path,
1907                                         SUPPLICANT_INTERFACE ".Interface",
1908                                                 interface_property, interface);
1909 }
1910
1911 static void interface_removed(DBusMessageIter *iter, void *user_data)
1912 {
1913         const char *path = NULL;
1914
1915         dbus_message_iter_get_basic(iter, &path);
1916         if (path == NULL)
1917                 return;
1918
1919         g_hash_table_remove(interface_table, path);
1920 }
1921
1922 static void eap_method(DBusMessageIter *iter, void *user_data)
1923 {
1924         const char *str = NULL;
1925         int i;
1926
1927         dbus_message_iter_get_basic(iter, &str);
1928         if (str == NULL)
1929                 return;
1930
1931         for (i = 0; eap_method_map[i].str != NULL; i++)
1932                 if (strcmp(str, eap_method_map[i].str) == 0) {
1933                         eap_methods |= eap_method_map[i].val;
1934                         break;
1935                 }
1936 }
1937
1938 static void service_property(const char *key, DBusMessageIter *iter,
1939                                                         void *user_data)
1940 {
1941         if (key == NULL) {
1942                 callback_system_ready();
1943                 return;
1944         }
1945
1946         if (g_strcmp0(key, "DebugLevel") == 0) {
1947                 const char *str = NULL;
1948                 int i;
1949
1950                 dbus_message_iter_get_basic(iter, &str);
1951                 for (i = 0; debug_strings[i] != NULL; i++)
1952                         if (g_strcmp0(debug_strings[i], str) == 0) {
1953                                 debug_level = i;
1954                                 break;
1955                         }
1956                 SUPPLICANT_DBG("Debug level %d", debug_level);
1957         } else if (g_strcmp0(key, "DebugTimestamp") == 0) {
1958                 dbus_message_iter_get_basic(iter, &debug_timestamp);
1959                 SUPPLICANT_DBG("Debug timestamp %u", debug_timestamp);
1960         } else if (g_strcmp0(key, "DebugShowKeys") == 0) {
1961                 dbus_message_iter_get_basic(iter, &debug_showkeys);
1962                 SUPPLICANT_DBG("Debug show keys %u", debug_showkeys);
1963         } else if (g_strcmp0(key, "Interfaces") == 0) {
1964                 supplicant_dbus_array_foreach(iter, interface_added, NULL);
1965         } else if (g_strcmp0(key, "EapMethods") == 0) {
1966                 supplicant_dbus_array_foreach(iter, eap_method, NULL);
1967                 debug_strvalmap("EAP method", eap_method_map, eap_methods);
1968         } else if (g_strcmp0(key, "Country") == 0) {
1969                 const char *country = NULL;
1970
1971                 dbus_message_iter_get_basic(iter, &country);
1972                 SUPPLICANT_DBG("Country %s", country);
1973         } else
1974                 SUPPLICANT_DBG("key %s type %c",
1975                                 key, dbus_message_iter_get_arg_type(iter));
1976 }
1977
1978 static void signal_name_owner_changed(const char *path, DBusMessageIter *iter)
1979 {
1980         const char *name = NULL, *old = NULL, *new = NULL;
1981
1982         SUPPLICANT_DBG("");
1983
1984         if (g_strcmp0(path, DBUS_PATH_DBUS) != 0)
1985                 return;
1986
1987         dbus_message_iter_get_basic(iter, &name);
1988         if (name == NULL)
1989                 return;
1990
1991         if (g_strcmp0(name, SUPPLICANT_SERVICE) != 0)
1992                 return;
1993
1994         dbus_message_iter_next(iter);
1995         dbus_message_iter_get_basic(iter, &old);
1996         dbus_message_iter_next(iter);
1997         dbus_message_iter_get_basic(iter, &new);
1998
1999         if (old == NULL || new == NULL)
2000                 return;
2001
2002         if (strlen(old) > 0 && strlen(new) == 0) {
2003                 system_available = FALSE;
2004                 g_hash_table_remove_all(bss_mapping);
2005                 g_hash_table_remove_all(interface_table);
2006                 callback_system_killed();
2007         }
2008
2009         if (strlen(new) > 0 && strlen(old) == 0) {
2010                 system_available = TRUE;
2011                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
2012                                                         SUPPLICANT_INTERFACE,
2013                                                         service_property, NULL);
2014         }
2015 }
2016
2017 static void signal_properties_changed(const char *path, DBusMessageIter *iter)
2018 {
2019         SUPPLICANT_DBG("");
2020
2021         if (g_strcmp0(path, SUPPLICANT_PATH) != 0)
2022                 return;
2023
2024         supplicant_dbus_property_foreach(iter, service_property, NULL);
2025 }
2026
2027 static void signal_interface_added(const char *path, DBusMessageIter *iter)
2028 {
2029         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
2030
2031         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
2032                 interface_added(iter, NULL);
2033 }
2034
2035 static void signal_interface_removed(const char *path, DBusMessageIter *iter)
2036 {
2037         SUPPLICANT_DBG("");
2038
2039         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
2040                 interface_removed(iter, NULL);
2041 }
2042
2043 static void signal_interface_changed(const char *path, DBusMessageIter *iter)
2044 {
2045         GSupplicantInterface *interface;
2046
2047         SUPPLICANT_DBG("");
2048
2049         interface = g_hash_table_lookup(interface_table, path);
2050         if (interface == NULL)
2051                 return;
2052
2053         supplicant_dbus_property_foreach(iter, interface_property, interface);
2054 }
2055
2056 static void signal_scan_done(const char *path, DBusMessageIter *iter)
2057 {
2058         GSupplicantInterface *interface;
2059         dbus_bool_t success = FALSE;
2060
2061         SUPPLICANT_DBG("");
2062
2063         interface = g_hash_table_lookup(interface_table, path);
2064         if (interface == NULL)
2065                 return;
2066
2067         dbus_message_iter_get_basic(iter, &success);
2068
2069         /*
2070          * If scan is unsuccessful return -EIO else get the scanned BSSs
2071          * and update the network details accordingly
2072          */
2073         if (success == FALSE) {
2074                 if (interface->scan_callback != NULL)
2075                         interface->scan_callback(-EIO, interface,
2076                                                 interface->scan_data);
2077
2078                 interface->scan_callback = NULL;
2079                 interface->scan_data = NULL;
2080
2081                 return;
2082         }
2083
2084         supplicant_dbus_property_get(path, SUPPLICANT_INTERFACE ".Interface",
2085                                         "BSSs", scan_bss_data, interface);
2086 }
2087
2088 static void signal_bss_added(const char *path, DBusMessageIter *iter)
2089 {
2090         GSupplicantInterface *interface;
2091
2092         SUPPLICANT_DBG("");
2093
2094         interface = g_hash_table_lookup(interface_table, path);
2095         if (interface == NULL)
2096                 return;
2097
2098         interface_bss_added_with_keys(iter, interface);
2099 }
2100
2101 static void signal_bss_removed(const char *path, DBusMessageIter *iter)
2102 {
2103         GSupplicantInterface *interface;
2104
2105         SUPPLICANT_DBG("");
2106
2107         interface = g_hash_table_lookup(interface_table, path);
2108         if (interface == NULL)
2109                 return;
2110
2111         interface_bss_removed(iter, interface);
2112 }
2113
2114 static void signal_network_added(const char *path, DBusMessageIter *iter)
2115 {
2116         GSupplicantInterface *interface;
2117
2118         SUPPLICANT_DBG("");
2119
2120         interface = g_hash_table_lookup(interface_table, path);
2121         if (interface == NULL)
2122                 return;
2123
2124         interface_network_added(iter, interface);
2125 }
2126
2127 static void signal_network_removed(const char *path, DBusMessageIter *iter)
2128 {
2129         GSupplicantInterface *interface;
2130
2131         SUPPLICANT_DBG("");
2132
2133         interface = g_hash_table_lookup(interface_table, path);
2134         if (interface == NULL)
2135                 return;
2136
2137         interface_network_removed(iter, interface);
2138 }
2139
2140 static void signal_bss_changed(const char *path, DBusMessageIter *iter)
2141 {
2142         GSupplicantInterface *interface;
2143         GSupplicantNetwork *network;
2144         GSupplicantSecurity old_security;
2145         struct g_supplicant_bss *bss;
2146
2147         SUPPLICANT_DBG("");
2148
2149         interface = g_hash_table_lookup(bss_mapping, path);
2150         if (interface == NULL)
2151                 return;
2152
2153         network = g_hash_table_lookup(interface->bss_mapping, path);
2154         if (network == NULL)
2155                 return;
2156
2157         bss = g_hash_table_lookup(network->bss_table, path);
2158         if (bss == NULL)
2159                 return;
2160
2161         supplicant_dbus_property_foreach(iter, bss_property, bss);
2162
2163         old_security = network->security;
2164         bss_compute_security(bss);
2165
2166         if (old_security != bss->security) {
2167                 struct g_supplicant_bss *new_bss;
2168
2169                 SUPPLICANT_DBG("New network security for %s", bss->ssid);
2170
2171                 /* Security change policy:
2172                  * - we first copy the current bss into a new one with
2173                  * its own pointer (path)
2174                  * - we remove the current bss related network which will
2175                  * tell the plugin about such removal. This is done due
2176                  * to the fact that a security change means a group change
2177                  * so a complete network change.
2178                  * (current bss becomes invalid as well)
2179                  * - we add the new bss: it adds new network and tell the
2180                  * plugin about it. */
2181
2182                 new_bss = g_try_new0(struct g_supplicant_bss, 1);
2183                 if (new_bss == NULL)
2184                         return;
2185
2186                 memcpy(new_bss, bss, sizeof(struct g_supplicant_bss));
2187                 new_bss->path = g_strdup(bss->path);
2188
2189                 g_hash_table_remove(interface->network_table, network->group);
2190
2191                 add_or_replace_bss_to_network(new_bss);
2192
2193                 return;
2194         }
2195
2196         if (bss->signal == network->signal)
2197                 return;
2198
2199         /*
2200          * If the new signal is lower than the SSID signal, we need
2201          * to check for the new maximum.
2202          */
2203         if (bss->signal < network->signal) {
2204                 if (bss != network->best_bss)
2205                         return;
2206                 network->signal = bss->signal;
2207                 update_network_signal(network);
2208         } else {
2209                 network->signal = bss->signal;
2210                 network->best_bss = bss;
2211         }
2212
2213         SUPPLICANT_DBG("New network signal for %s %d dBm", network->ssid, network->signal);
2214
2215         callback_network_changed(network, "Signal");
2216 }
2217
2218 static void wps_credentials(const char *key, DBusMessageIter *iter,
2219                         void *user_data)
2220 {
2221         GSupplicantInterface *interface = user_data;
2222
2223         if (key == NULL)
2224                 return;
2225
2226         SUPPLICANT_DBG("key %s", key);
2227
2228         if (g_strcmp0(key, "Key") == 0) {
2229                 DBusMessageIter array;
2230                 unsigned char *key_val;
2231                 int key_len;
2232
2233                 dbus_message_iter_recurse(iter, &array);
2234                 dbus_message_iter_get_fixed_array(&array, &key_val, &key_len);
2235
2236                 g_free(interface->wps_cred.key);
2237                 interface->wps_cred.key = g_try_malloc0(
2238                                                 sizeof(char) * key_len + 1);
2239
2240                 if (interface->wps_cred.key == NULL)
2241                         return;
2242
2243                 memcpy(interface->wps_cred.key, key_val,
2244                                                 sizeof(char) * key_len);
2245
2246                 SUPPLICANT_DBG("WPS key present");
2247         } else if (g_strcmp0(key, "SSID") == 0) {
2248                 DBusMessageIter array;
2249                 unsigned char *ssid;
2250                 int ssid_len;
2251
2252                 dbus_message_iter_recurse(iter, &array);
2253                 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
2254
2255                 if (ssid_len > 0 && ssid_len < 33) {
2256                         memcpy(interface->wps_cred.ssid, ssid, ssid_len);
2257                         interface->wps_cred.ssid_len = ssid_len;
2258                 } else {
2259                         memset(interface->wps_cred.ssid, 0, 32);
2260                         interface->wps_cred.ssid_len = 0;
2261                 }
2262         }
2263 }
2264
2265 static void signal_wps_credentials(const char *path, DBusMessageIter *iter)
2266 {
2267         GSupplicantInterface *interface;
2268
2269         SUPPLICANT_DBG("");
2270
2271         interface = g_hash_table_lookup(interface_table, path);
2272         if (interface == NULL)
2273                 return;
2274
2275         supplicant_dbus_property_foreach(iter, wps_credentials, interface);
2276 }
2277
2278 static void wps_event_args(const char *key, DBusMessageIter *iter,
2279                         void *user_data)
2280 {
2281         GSupplicantInterface *interface = user_data;
2282
2283         if (key == NULL || interface == NULL)
2284                 return;
2285
2286         SUPPLICANT_DBG("Arg Key %s", key);
2287 }
2288
2289 static void signal_wps_event(const char *path, DBusMessageIter *iter)
2290 {
2291         GSupplicantInterface *interface;
2292         const char *name = NULL;
2293
2294         SUPPLICANT_DBG("");
2295
2296         interface = g_hash_table_lookup(interface_table, path);
2297         if (interface == NULL)
2298                 return;
2299
2300         dbus_message_iter_get_basic(iter, &name);
2301
2302         SUPPLICANT_DBG("Name: %s", name);
2303
2304         if (g_strcmp0(name, "success") == 0)
2305                 interface->wps_state = G_SUPPLICANT_WPS_STATE_SUCCESS;
2306         else if (g_strcmp0(name, "failed") == 0)
2307                 interface->wps_state = G_SUPPLICANT_WPS_STATE_FAIL;
2308         else
2309                 interface->wps_state = G_SUPPLICANT_WPS_STATE_UNKNOWN;
2310
2311         if (!dbus_message_iter_has_next(iter))
2312                 return;
2313
2314         dbus_message_iter_next(iter);
2315
2316         supplicant_dbus_property_foreach(iter, wps_event_args, interface);
2317 }
2318
2319 static void signal_station_connected(const char *path, DBusMessageIter *iter)
2320 {
2321         GSupplicantInterface *interface;
2322         const char *sta_mac = NULL;
2323
2324         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
2325
2326         if (callbacks_pointer->add_station == NULL)
2327                 return;
2328
2329         if (g_strcmp0(path, "/") == 0)
2330                 return;
2331
2332         interface = g_hash_table_lookup(interface_table, path);
2333         if (interface == NULL)
2334                 return;
2335
2336         dbus_message_iter_get_basic(iter, &sta_mac);
2337         if (sta_mac == NULL)
2338                 return;
2339
2340         SUPPLICANT_DBG("New station %s connected", sta_mac);
2341         callbacks_pointer->add_station(sta_mac);
2342 }
2343
2344 static void signal_station_disconnected(const char *path, DBusMessageIter *iter)
2345 {
2346         GSupplicantInterface *interface;
2347         const char *sta_mac = NULL;
2348
2349         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
2350
2351         if (callbacks_pointer->remove_station == NULL)
2352                 return;
2353
2354         if (g_strcmp0(path, "/") == 0)
2355                 return;
2356
2357         interface = g_hash_table_lookup(interface_table, path);
2358         if (interface == NULL)
2359                 return;
2360
2361         dbus_message_iter_get_basic(iter, &sta_mac);
2362         if (sta_mac == NULL)
2363                 return;
2364
2365         SUPPLICANT_DBG("Station %s disconnected", sta_mac);
2366         callbacks_pointer->remove_station(sta_mac);
2367 }
2368
2369 static struct {
2370         const char *interface;
2371         const char *member;
2372         void (*function) (const char *path, DBusMessageIter *iter);
2373 } signal_map[] = {
2374         { DBUS_INTERFACE_DBUS,  "NameOwnerChanged",  signal_name_owner_changed },
2375
2376         { SUPPLICANT_INTERFACE, "PropertiesChanged", signal_properties_changed },
2377         { SUPPLICANT_INTERFACE, "InterfaceAdded",    signal_interface_added    },
2378         { SUPPLICANT_INTERFACE, "InterfaceCreated",  signal_interface_added    },
2379         { SUPPLICANT_INTERFACE, "InterfaceRemoved",  signal_interface_removed  },
2380
2381         { SUPPLICANT_INTERFACE ".Interface", "PropertiesChanged", signal_interface_changed },
2382         { SUPPLICANT_INTERFACE ".Interface", "ScanDone",          signal_scan_done         },
2383         { SUPPLICANT_INTERFACE ".Interface", "BSSAdded",          signal_bss_added         },
2384         { SUPPLICANT_INTERFACE ".Interface", "BSSRemoved",        signal_bss_removed       },
2385         { SUPPLICANT_INTERFACE ".Interface", "NetworkAdded",      signal_network_added     },
2386         { SUPPLICANT_INTERFACE ".Interface", "NetworkRemoved",    signal_network_removed   },
2387
2388         { SUPPLICANT_INTERFACE ".BSS", "PropertiesChanged", signal_bss_changed   },
2389
2390         { SUPPLICANT_INTERFACE ".Interface.WPS", "Credentials", signal_wps_credentials },
2391         { SUPPLICANT_INTERFACE ".Interface.WPS", "Event",       signal_wps_event       },
2392
2393         { SUPPLICANT_INTERFACE".Interface", "StaAuthorized",
2394                 signal_station_connected    },
2395         { SUPPLICANT_INTERFACE".Interface", "StaDeauthorized",
2396                 signal_station_disconnected  },
2397
2398         { }
2399 };
2400
2401 static DBusHandlerResult g_supplicant_filter(DBusConnection *conn,
2402                                         DBusMessage *message, void *data)
2403 {
2404         DBusMessageIter iter;
2405         const char *path;
2406         int i;
2407
2408         path = dbus_message_get_path(message);
2409         if (path == NULL)
2410                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2411
2412         if (dbus_message_iter_init(message, &iter) == FALSE)
2413                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2414
2415         for (i = 0; signal_map[i].interface != NULL; i++) {
2416                 if (dbus_message_has_interface(message,
2417                                         signal_map[i].interface) == FALSE)
2418                         continue;
2419
2420                 if (dbus_message_has_member(message,
2421                                         signal_map[i].member) == FALSE)
2422                         continue;
2423
2424                 signal_map[i].function(path, &iter);
2425                 break;
2426         }
2427
2428         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2429 }
2430
2431 struct supplicant_regdom {
2432         GSupplicantCountryCallback callback;
2433         const char *alpha2;
2434         const void *user_data;
2435 };
2436
2437 static void country_result(const char *error,
2438                                 DBusMessageIter *iter, void *user_data)
2439 {
2440         struct supplicant_regdom *regdom = user_data;
2441         int result = 0;
2442
2443         SUPPLICANT_DBG("Country setting result");
2444
2445         if (user_data == NULL)
2446                 return;
2447
2448         if (error != NULL) {
2449                 SUPPLICANT_DBG("Country setting failure %s", error);
2450                 result = -EINVAL;
2451         }
2452
2453         if (regdom->callback)
2454                 regdom->callback(result, regdom->alpha2,
2455                                         (void *) regdom->user_data);
2456
2457         g_free(regdom);
2458 }
2459
2460 static void country_params(DBusMessageIter *iter, void *user_data)
2461 {
2462         struct supplicant_regdom *regdom = user_data;
2463
2464         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
2465                                                         &regdom->alpha2);
2466 }
2467
2468 int g_supplicant_set_country(const char *alpha2,
2469                                 GSupplicantCountryCallback callback,
2470                                         const void *user_data)
2471 {
2472         struct supplicant_regdom *regdom;
2473
2474         SUPPLICANT_DBG("Country setting %s", alpha2);
2475
2476         if (system_available == FALSE)
2477                 return -EFAULT;
2478
2479         regdom = dbus_malloc0(sizeof(*regdom));
2480         if (regdom == NULL)
2481                 return -ENOMEM;
2482
2483         regdom->callback = callback;
2484         regdom->alpha2 = alpha2;
2485         regdom->user_data = user_data;
2486
2487         return supplicant_dbus_property_set(SUPPLICANT_PATH, SUPPLICANT_INTERFACE,
2488                                         "Country", DBUS_TYPE_STRING_AS_STRING,
2489                                         country_params, country_result,
2490                                                 regdom);
2491 }
2492
2493 int g_supplicant_interface_set_country(GSupplicantInterface *interface,
2494                                         GSupplicantCountryCallback callback,
2495                                                         const char *alpha2,
2496                                                         void *user_data)
2497 {
2498         struct supplicant_regdom *regdom;
2499
2500         regdom = dbus_malloc0(sizeof(*regdom));
2501         if (regdom == NULL)
2502                 return -ENOMEM;
2503
2504         regdom->callback = callback;
2505         regdom->alpha2 = alpha2;
2506         regdom->user_data = user_data;
2507
2508         return supplicant_dbus_property_set(interface->path,
2509                                 SUPPLICANT_INTERFACE ".Interface",
2510                                 "Country", DBUS_TYPE_STRING_AS_STRING,
2511                                 country_params, country_result,
2512                                         regdom);
2513 }
2514
2515 struct interface_data {
2516         GSupplicantInterface *interface;
2517         GSupplicantInterfaceCallback callback;
2518         void *user_data;
2519 };
2520
2521 struct interface_create_data {
2522         const char *ifname;
2523         const char *driver;
2524         const char *bridge;
2525         GSupplicantInterface *interface;
2526         GSupplicantInterfaceCallback callback;
2527         void *user_data;
2528 };
2529
2530 struct interface_connect_data {
2531         GSupplicantInterface *interface;
2532         GSupplicantInterfaceCallback callback;
2533         GSupplicantSSID *ssid;
2534         void *user_data;
2535 };
2536
2537 struct interface_scan_data {
2538         GSupplicantInterface *interface;
2539         GSupplicantInterfaceCallback callback;
2540         GSupplicantScanParams *scan_params;
2541         void *user_data;
2542 };
2543
2544 struct interface_autoscan_data {
2545         GSupplicantInterface *interface;
2546         GSupplicantInterfaceCallback callback;
2547         const char *autoscan_params;
2548         void *user_data;
2549 };
2550
2551 static void interface_create_property(const char *key, DBusMessageIter *iter,
2552                                                         void *user_data)
2553 {
2554         struct interface_create_data *data = user_data;
2555         GSupplicantInterface *interface = data->interface;
2556
2557         if (key == NULL) {
2558                 if (data->callback != NULL)
2559                         data->callback(0, data->interface, data->user_data);
2560
2561                 dbus_free(data);
2562         }
2563
2564         interface_property(key, iter, interface);
2565 }
2566
2567 static void interface_create_result(const char *error,
2568                                 DBusMessageIter *iter, void *user_data)
2569 {
2570         struct interface_create_data *data = user_data;
2571         const char *path = NULL;
2572         int err;
2573
2574         SUPPLICANT_DBG("");
2575
2576         if (error != NULL) {
2577                 g_warning("error %s", error);
2578                 err = -EIO;
2579                 goto done;
2580         }
2581
2582         dbus_message_iter_get_basic(iter, &path);
2583         if (path == NULL) {
2584                 err = -EINVAL;
2585                 goto done;
2586         }
2587
2588         if (system_available == FALSE) {
2589                 err = -EFAULT;
2590                 goto done;
2591         }
2592
2593         data->interface = g_hash_table_lookup(interface_table, path);
2594         if (data->interface == NULL) {
2595                 data->interface = interface_alloc(path);
2596                 if (data->interface == NULL) {
2597                         err = -ENOMEM;
2598                         goto done;
2599                 }
2600         }
2601
2602         err = supplicant_dbus_property_get_all(path,
2603                                         SUPPLICANT_INTERFACE ".Interface",
2604                                         interface_create_property, data);
2605         if (err == 0)
2606                 return;
2607
2608 done:
2609         if (data->callback != NULL)
2610                 data->callback(err, NULL, data->user_data);
2611
2612         dbus_free(data);
2613 }
2614
2615 static void interface_create_params(DBusMessageIter *iter, void *user_data)
2616 {
2617         struct interface_create_data *data = user_data;
2618         DBusMessageIter dict;
2619
2620         SUPPLICANT_DBG("");
2621
2622         supplicant_dbus_dict_open(iter, &dict);
2623
2624         supplicant_dbus_dict_append_basic(&dict, "Ifname",
2625                                         DBUS_TYPE_STRING, &data->ifname);
2626
2627         if (data->driver != NULL)
2628                 supplicant_dbus_dict_append_basic(&dict, "Driver",
2629                                         DBUS_TYPE_STRING, &data->driver);
2630
2631         if (data->bridge != NULL)
2632                 supplicant_dbus_dict_append_basic(&dict, "BridgeIfname",
2633                                         DBUS_TYPE_STRING, &data->bridge);
2634
2635         supplicant_dbus_dict_close(iter, &dict);
2636 }
2637
2638 static void interface_get_result(const char *error,
2639                                 DBusMessageIter *iter, void *user_data)
2640 {
2641         struct interface_create_data *data = user_data;
2642         GSupplicantInterface *interface;
2643         const char *path = NULL;
2644         int err;
2645
2646         SUPPLICANT_DBG("");
2647
2648         if (error != NULL) {
2649                 SUPPLICANT_DBG("Interface not created yet");
2650                 goto create;
2651         }
2652
2653         dbus_message_iter_get_basic(iter, &path);
2654         if (path == NULL) {
2655                 err = -EINVAL;
2656                 goto done;
2657         }
2658
2659         interface = g_hash_table_lookup(interface_table, path);
2660         if (interface == NULL) {
2661                 err = -ENOENT;
2662                 goto done;
2663         }
2664
2665         if (data->callback != NULL)
2666                 data->callback(0, interface, data->user_data);
2667
2668         dbus_free(data);
2669
2670         return;
2671
2672 create:
2673         if (system_available == FALSE) {
2674                 err = -EFAULT;
2675                 goto done;
2676         }
2677
2678         SUPPLICANT_DBG("Creating interface");
2679
2680         err = supplicant_dbus_method_call(SUPPLICANT_PATH,
2681                                                 SUPPLICANT_INTERFACE,
2682                                                 "CreateInterface",
2683                                                 interface_create_params,
2684                                                 interface_create_result, data);
2685         if (err == 0)
2686                 return;
2687
2688 done:
2689         if (data->callback != NULL)
2690                 data->callback(err, NULL, data->user_data);
2691
2692         dbus_free(data);
2693 }
2694
2695 static void interface_get_params(DBusMessageIter *iter, void *user_data)
2696 {
2697         struct interface_create_data *data = user_data;
2698
2699         SUPPLICANT_DBG("");
2700
2701         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &data->ifname);
2702 }
2703
2704 int g_supplicant_interface_create(const char *ifname, const char *driver,
2705                                         const char *bridge,
2706                                         GSupplicantInterfaceCallback callback,
2707                                                         void *user_data)
2708 {
2709         struct interface_create_data *data;
2710
2711         SUPPLICANT_DBG("ifname %s", ifname);
2712
2713         if (ifname == NULL)
2714                 return -EINVAL;
2715
2716         if (system_available == FALSE)
2717                 return -EFAULT;
2718
2719         data = dbus_malloc0(sizeof(*data));
2720         if (data == NULL)
2721                 return -ENOMEM;
2722
2723         data->ifname = ifname;
2724         data->driver = driver;
2725         data->bridge = bridge;
2726         data->callback = callback;
2727         data->user_data = user_data;
2728
2729         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2730                                                 SUPPLICANT_INTERFACE,
2731                                                 "GetInterface",
2732                                                 interface_get_params,
2733                                                 interface_get_result, data);
2734 }
2735
2736 static void interface_remove_result(const char *error,
2737                                 DBusMessageIter *iter, void *user_data)
2738 {
2739         struct interface_data *data = user_data;
2740         int err;
2741
2742         if (error != NULL) {
2743                 err = -EIO;
2744                 goto done;
2745         }
2746
2747         if (system_available == FALSE) {
2748                 err = -EFAULT;
2749                 goto done;
2750         }
2751
2752         /*
2753          * The gsupplicant interface is already freed by the InterfaceRemoved
2754          * signal callback. Simply invoke the interface_data callback.
2755          */
2756         err = 0;
2757
2758 done:
2759         if (data->callback != NULL)
2760                 data->callback(err, NULL, data->user_data);
2761
2762         dbus_free(data);
2763 }
2764
2765
2766 static void interface_remove_params(DBusMessageIter *iter, void *user_data)
2767 {
2768         struct interface_data *data = user_data;
2769
2770         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
2771                                                         &data->interface->path);
2772 }
2773
2774
2775 int g_supplicant_interface_remove(GSupplicantInterface *interface,
2776                         GSupplicantInterfaceCallback callback,
2777                                                         void *user_data)
2778 {
2779         struct interface_data *data;
2780
2781         if (interface == NULL)
2782                 return -EINVAL;
2783
2784         if (system_available == FALSE)
2785                 return -EFAULT;
2786
2787         data = dbus_malloc0(sizeof(*data));
2788         if (data == NULL)
2789                 return -ENOMEM;
2790
2791         data->interface = interface;
2792         data->callback = callback;
2793         data->user_data = user_data;
2794
2795         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2796                                                 SUPPLICANT_INTERFACE,
2797                                                 "RemoveInterface",
2798                                                 interface_remove_params,
2799                                                 interface_remove_result, data);
2800 }
2801
2802 static void interface_scan_result(const char *error,
2803                                 DBusMessageIter *iter, void *user_data)
2804 {
2805         struct interface_scan_data *data = user_data;
2806         int err = 0;
2807
2808         if (error != NULL) {
2809                 SUPPLICANT_DBG("error %s", error);
2810                 err = -EIO;
2811         }
2812
2813         /* A non ready interface cannot send/receive anything */
2814         if (data->interface->ready == FALSE)
2815                 err = -ENOLINK;
2816
2817         if (err != 0) {
2818                 if (data->callback != NULL)
2819                         data->callback(err, data->interface, data->user_data);
2820         } else {
2821                 data->interface->scan_callback = data->callback;
2822                 data->interface->scan_data = data->user_data;
2823         }
2824
2825         if (data != NULL && data->scan_params != NULL)
2826                 g_supplicant_free_scan_params(data->scan_params);
2827
2828         dbus_free(data);
2829 }
2830
2831 static void add_scan_frequency(DBusMessageIter *iter, unsigned int freq)
2832 {
2833         DBusMessageIter data;
2834         unsigned int width = 0; /* Not used by wpa_supplicant atm */
2835
2836         dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &data);
2837
2838         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &freq);
2839         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &width);
2840
2841         dbus_message_iter_close_container(iter, &data);
2842 }
2843
2844 static void add_scan_frequencies(DBusMessageIter *iter,
2845                                                 void *user_data)
2846 {
2847         GSupplicantScanParams *scan_data = user_data;
2848         unsigned int freq;
2849         int i;
2850
2851         for (i = 0; i < scan_data->num_freqs; i++) {
2852                 freq = scan_data->freqs[i];
2853                 if (!freq)
2854                         break;
2855
2856                 add_scan_frequency(iter, freq);
2857         }
2858 }
2859
2860 static void append_ssid(DBusMessageIter *iter,
2861                         const void *ssid, unsigned int len)
2862 {
2863         DBusMessageIter array;
2864
2865         dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
2866         DBUS_TYPE_BYTE_AS_STRING, &array);
2867
2868         dbus_message_iter_append_fixed_array(&array, DBUS_TYPE_BYTE,
2869                                                                 &ssid, len);
2870         dbus_message_iter_close_container(iter, &array);
2871 }
2872
2873 static void append_ssids(DBusMessageIter *iter, void *user_data)
2874 {
2875         GSupplicantScanParams *scan_data = user_data;
2876         GSList *list;
2877
2878         for (list = scan_data->ssids; list; list = list->next) {
2879                 struct scan_ssid *scan_ssid = list->data;
2880
2881                 append_ssid(iter, scan_ssid->ssid, scan_ssid->ssid_len);
2882         }
2883 }
2884
2885 static void supplicant_add_scan_frequency(DBusMessageIter *dict,
2886                 supplicant_dbus_array_function function,
2887                                         void *user_data)
2888 {
2889         GSupplicantScanParams *scan_params = user_data;
2890         DBusMessageIter entry, value, array;
2891         const char *key = "Channels";
2892
2893         if (scan_params->freqs && scan_params->freqs[0] != 0) {
2894                 dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
2895                                                 NULL, &entry);
2896
2897                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
2898
2899                 dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
2900                                         DBUS_TYPE_ARRAY_AS_STRING
2901                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2902                                         DBUS_TYPE_UINT32_AS_STRING
2903                                         DBUS_TYPE_UINT32_AS_STRING
2904                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2905                                         &value);
2906
2907                 dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
2908                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2909                                         DBUS_TYPE_UINT32_AS_STRING
2910                                         DBUS_TYPE_UINT32_AS_STRING
2911                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2912                                         &array);
2913
2914                 if (function)
2915                         function(&array, user_data);
2916
2917                 dbus_message_iter_close_container(&value, &array);
2918                 dbus_message_iter_close_container(&entry, &value);
2919                 dbus_message_iter_close_container(dict, &entry);
2920         }
2921 }
2922
2923 static void interface_scan_params(DBusMessageIter *iter, void *user_data)
2924 {
2925         DBusMessageIter dict;
2926         const char *type = "passive";
2927         struct interface_scan_data *data = user_data;
2928
2929         supplicant_dbus_dict_open(iter, &dict);
2930
2931         if (data && data->scan_params) {
2932                 type = "active";
2933
2934                 supplicant_dbus_dict_append_basic(&dict, "Type",
2935                                         DBUS_TYPE_STRING, &type);
2936
2937                 supplicant_dbus_dict_append_array(&dict, "SSIDs",
2938                                                 DBUS_TYPE_STRING,
2939                                                 append_ssids,
2940                                                 data->scan_params);
2941
2942                 supplicant_add_scan_frequency(&dict, add_scan_frequencies,
2943                                                 data->scan_params);
2944         } else
2945                 supplicant_dbus_dict_append_basic(&dict, "Type",
2946                                         DBUS_TYPE_STRING, &type);
2947
2948         supplicant_dbus_dict_close(iter, &dict);
2949 }
2950
2951 int g_supplicant_interface_scan(GSupplicantInterface *interface,
2952                                 GSupplicantScanParams *scan_data,
2953                                 GSupplicantInterfaceCallback callback,
2954                                                         void *user_data)
2955 {
2956         struct interface_scan_data *data;
2957         int ret;
2958
2959         if (interface == NULL)
2960                 return -EINVAL;
2961
2962         if (system_available == FALSE)
2963                 return -EFAULT;
2964
2965         if (interface->scanning == TRUE)
2966                 return -EALREADY;
2967
2968         switch (interface->state) {
2969         case G_SUPPLICANT_STATE_AUTHENTICATING:
2970         case G_SUPPLICANT_STATE_ASSOCIATING:
2971         case G_SUPPLICANT_STATE_ASSOCIATED:
2972         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2973         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2974                 return -EBUSY;
2975         case G_SUPPLICANT_STATE_UNKNOWN:
2976         case G_SUPPLICANT_STATE_DISABLED:
2977         case G_SUPPLICANT_STATE_DISCONNECTED:
2978         case G_SUPPLICANT_STATE_INACTIVE:
2979         case G_SUPPLICANT_STATE_SCANNING:
2980         case G_SUPPLICANT_STATE_COMPLETED:
2981                 break;
2982         }
2983
2984         data = dbus_malloc0(sizeof(*data));
2985         if (data == NULL)
2986                 return -ENOMEM;
2987
2988         data->interface = interface;
2989         data->callback = callback;
2990         data->user_data = user_data;
2991         data->scan_params = scan_data;
2992
2993         interface->scan_callback = callback;
2994         interface->scan_data = user_data;
2995
2996         ret = supplicant_dbus_method_call(interface->path,
2997                         SUPPLICANT_INTERFACE ".Interface", "Scan",
2998                         interface_scan_params, interface_scan_result, data);
2999
3000         if (ret < 0)
3001                 dbus_free(data);
3002
3003         return ret;
3004 }
3005
3006 static void interface_autoscan_result(const char *error,
3007                                 DBusMessageIter *iter, void *user_data)
3008 {
3009         struct interface_autoscan_data *data = user_data;
3010         int err = 0;
3011
3012         if (error != NULL) {
3013                 SUPPLICANT_DBG("error %s", error);
3014                 err = -EIO;
3015         }
3016
3017         if (data != NULL && data->callback != NULL)
3018                 data->callback(err, data->interface, data->user_data);
3019
3020         dbus_free(data);
3021 }
3022
3023 static void interface_autoscan_params(DBusMessageIter *iter, void *user_data)
3024 {
3025         struct interface_autoscan_data *data = user_data;
3026
3027         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
3028                                                  &data->autoscan_params);
3029 }
3030
3031 int g_supplicant_interface_autoscan(GSupplicantInterface *interface,
3032                                         const char *autoscan_data,
3033                                         GSupplicantInterfaceCallback callback,
3034                                                         void *user_data)
3035 {
3036         struct interface_autoscan_data *data;
3037         int ret;
3038
3039         data = dbus_malloc0(sizeof(*data));
3040         if (data == NULL)
3041                 return -ENOMEM;
3042
3043         data->interface = interface;
3044         data->callback = callback;
3045         data->autoscan_params = autoscan_data;
3046         data->user_data = user_data;
3047
3048         ret = supplicant_dbus_method_call(interface->path,
3049                         SUPPLICANT_INTERFACE ".Interface", "AutoScan",
3050                         interface_autoscan_params,
3051                         interface_autoscan_result, data);
3052         if (ret < 0)
3053                 dbus_free(data);
3054
3055         return ret;
3056 }
3057
3058 static int parse_supplicant_error(DBusMessageIter *iter)
3059 {
3060         int err = -ECANCELED;
3061         char *key;
3062
3063         /* If the given passphrase is malformed wpa_s returns
3064          * "invalid message format" but this error should be interpreted as
3065          * invalid-key.
3066          */
3067         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
3068                 dbus_message_iter_get_basic(iter, &key);
3069                 if (strncmp(key, "psk", 3) == 0 ||
3070                                 strncmp(key, "wep_key", 7) == 0 ||
3071                                 strcmp(key, "invalid message format") == 0) {
3072                         err = -ENOKEY;
3073                         break;
3074                 }
3075                 dbus_message_iter_next(iter);
3076         }
3077
3078         return err;
3079 }
3080
3081 static void interface_select_network_result(const char *error,
3082                                 DBusMessageIter *iter, void *user_data)
3083 {
3084         struct interface_connect_data *data = user_data;
3085         int err;
3086
3087         SUPPLICANT_DBG("");
3088
3089         err = 0;
3090         if (error != NULL) {
3091                 SUPPLICANT_DBG("SelectNetwork error %s", error);
3092                 err = parse_supplicant_error(iter);
3093         }
3094
3095         if (data->callback != NULL)
3096                 data->callback(err, data->interface, data->user_data);
3097
3098         g_free(data->ssid);
3099         dbus_free(data);
3100 }
3101
3102 static void interface_select_network_params(DBusMessageIter *iter,
3103                                                         void *user_data)
3104 {
3105         struct interface_connect_data *data = user_data;
3106         GSupplicantInterface *interface = data->interface;
3107
3108         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
3109                                         &interface->network_path);
3110 }
3111
3112 static void interface_add_network_result(const char *error,
3113                                 DBusMessageIter *iter, void *user_data)
3114 {
3115         struct interface_connect_data *data = user_data;
3116         GSupplicantInterface *interface = data->interface;
3117         const char *path;
3118         int err;
3119
3120         if (error != NULL)
3121                 goto error;
3122
3123         dbus_message_iter_get_basic(iter, &path);
3124         if (path == NULL)
3125                 goto error;
3126
3127         SUPPLICANT_DBG("PATH: %s", path);
3128
3129         g_free(interface->network_path);
3130         interface->network_path = g_strdup(path);
3131
3132         supplicant_dbus_method_call(data->interface->path,
3133                         SUPPLICANT_INTERFACE ".Interface", "SelectNetwork",
3134                         interface_select_network_params,
3135                         interface_select_network_result, data);
3136
3137         return;
3138
3139 error:
3140         SUPPLICANT_DBG("AddNetwork error %s", error);
3141         err = parse_supplicant_error(iter);
3142         if (data->callback != NULL)
3143                 data->callback(err, data->interface, data->user_data);
3144
3145         g_free(interface->network_path);
3146         interface->network_path = NULL;
3147         g_free(data->ssid);
3148         g_free(data);
3149 }
3150
3151 static void add_network_security_wep(DBusMessageIter *dict,
3152                                         GSupplicantSSID *ssid)
3153 {
3154         const char *auth_alg = "OPEN SHARED";
3155         const char *key_index = "0";
3156
3157         supplicant_dbus_dict_append_basic(dict, "auth_alg",
3158                                         DBUS_TYPE_STRING, &auth_alg);
3159
3160         if (ssid->passphrase) {
3161                 int size = strlen(ssid->passphrase);
3162                 if (size == 10 || size == 26) {
3163                         unsigned char *key = g_try_malloc(13);
3164                         char tmp[3];
3165                         int i;
3166
3167                         memset(tmp, 0, sizeof(tmp));
3168                         if (key == NULL)
3169                                 size = 0;
3170
3171                         for (i = 0; i < size / 2; i++) {
3172                                 memcpy(tmp, ssid->passphrase + (i * 2), 2);
3173                                 key[i] = (unsigned char) strtol(tmp, NULL, 16);
3174                         }
3175
3176                         supplicant_dbus_dict_append_fixed_array(dict,
3177                                                         "wep_key0",
3178                                                         DBUS_TYPE_BYTE,
3179                                                         &key, size / 2);
3180                         g_free(key);
3181                 } else if (size == 5 || size == 13) {
3182                         unsigned char *key = g_try_malloc(13);
3183                         int i;
3184
3185                         if (key == NULL)
3186                                 size = 0;
3187
3188                         for (i = 0; i < size; i++)
3189                                 key[i] = (unsigned char) ssid->passphrase[i];
3190
3191                         supplicant_dbus_dict_append_fixed_array(dict,
3192                                                                 "wep_key0",
3193                                                                 DBUS_TYPE_BYTE,
3194                                                                 &key, size);
3195                         g_free(key);
3196                 } else
3197                         supplicant_dbus_dict_append_basic(dict,
3198                                                         "wep_key0",
3199                                                         DBUS_TYPE_STRING,
3200                                                         &ssid->passphrase);
3201
3202                 supplicant_dbus_dict_append_basic(dict, "wep_tx_keyidx",
3203                                         DBUS_TYPE_STRING, &key_index);
3204         }
3205 }
3206
3207 static dbus_bool_t is_psk_raw_key(const char *psk)
3208 {
3209         int i;
3210
3211         /* A raw key is always 64 bytes length... */
3212         if (strlen(psk) != 64)
3213                 return FALSE;
3214
3215         /* ... and its content is in hex representation */
3216         for (i = 0; i < 64; i++)
3217                 if (!isxdigit((unsigned char) psk[i]))
3218                         return FALSE;
3219
3220         return TRUE;
3221 }
3222
3223 static unsigned char hexchar2bin(char c)
3224 {
3225         if ((c >= '0') && (c <= '9'))
3226                 return c - '0';
3227         else if ((c >= 'A') && (c <= 'F'))
3228                 return c - 'A' + 10;
3229         else if ((c >= 'a') && (c <= 'f'))
3230                 return c - 'a' + 10;
3231         else
3232                 return c;
3233 }
3234
3235 static void hexstring2bin(const char *string, unsigned char *data, size_t data_len)
3236 {
3237         size_t i;
3238
3239         for (i = 0; i < data_len; i++)
3240                 data[i] = (hexchar2bin(string[i * 2 + 0]) << 4 |
3241                            hexchar2bin(string[i * 2 + 1]) << 0);
3242 }
3243
3244 static void add_network_security_psk(DBusMessageIter *dict,
3245                                         GSupplicantSSID *ssid)
3246 {
3247         if (ssid->passphrase && strlen(ssid->passphrase) > 0) {
3248                 const char *key = "psk";
3249
3250                 if (is_psk_raw_key(ssid->passphrase) == TRUE) {
3251                         unsigned char data[32];
3252                         unsigned char *datap = data;
3253
3254                         /* The above pointer alias is required by D-Bus because
3255                          * with D-Bus and GCC, non-heap-allocated arrays cannot
3256                          * be passed directly by their base pointer. */
3257
3258                         hexstring2bin(ssid->passphrase, datap, sizeof(data));
3259
3260                         supplicant_dbus_dict_append_fixed_array(dict,
3261                                                         key, DBUS_TYPE_BYTE,
3262                                                         &datap, sizeof(data));
3263                 } else
3264                         supplicant_dbus_dict_append_basic(dict,
3265                                                         key, DBUS_TYPE_STRING,
3266                                                         &ssid->passphrase);
3267         }
3268 }
3269
3270 static void add_network_security_tls(DBusMessageIter *dict,
3271                                         GSupplicantSSID *ssid)
3272 {
3273         /*
3274          * For TLS, we at least need:
3275          *              The client certificate
3276          *              The client private key file
3277          *              The client private key file password
3278          *
3279          * The Authority certificate is optional.
3280          */
3281         if (ssid->client_cert_path == NULL)
3282                 return;
3283
3284         if (ssid->private_key_path == NULL)
3285                 return;
3286
3287         if (ssid->private_key_passphrase == NULL)
3288                 return;
3289
3290         if (ssid->ca_cert_path)
3291                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
3292                                         DBUS_TYPE_STRING, &ssid->ca_cert_path);
3293
3294         supplicant_dbus_dict_append_basic(dict, "private_key",
3295                                                 DBUS_TYPE_STRING,
3296                                                 &ssid->private_key_path);
3297         supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
3298                                                 DBUS_TYPE_STRING,
3299                                                 &ssid->private_key_passphrase);
3300         supplicant_dbus_dict_append_basic(dict, "client_cert",
3301                                                 DBUS_TYPE_STRING,
3302                                                 &ssid->client_cert_path);
3303 }
3304
3305 static void add_network_security_peap(DBusMessageIter *dict,
3306                                         GSupplicantSSID *ssid)
3307 {
3308         char *phase2_auth;
3309
3310         /*
3311          * For PEAP/TTLS, we at least need
3312          *              The authority certificate
3313          *              The 2nd phase authentication method
3314          *              The 2nd phase passphrase
3315          *
3316          * The Client certificate is optional although strongly recommended
3317          * When setting it, we need in addition
3318          *              The Client private key file
3319          *              The Client private key file password
3320          */
3321         if (ssid->passphrase == NULL)
3322                 return;
3323
3324         if (ssid->phase2_auth == NULL)
3325                 return;
3326
3327         if (ssid->client_cert_path) {
3328                 if (ssid->private_key_path == NULL)
3329                         return;
3330
3331                 if (ssid->private_key_passphrase == NULL)
3332                         return;
3333
3334                 supplicant_dbus_dict_append_basic(dict, "client_cert",
3335                                                 DBUS_TYPE_STRING,
3336                                                 &ssid->client_cert_path);
3337
3338                 supplicant_dbus_dict_append_basic(dict, "private_key",
3339                                                 DBUS_TYPE_STRING,
3340                                                 &ssid->private_key_path);
3341
3342                 supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
3343                                                 DBUS_TYPE_STRING,
3344                                                 &ssid->private_key_passphrase);
3345
3346         }
3347
3348         if (g_str_has_prefix(ssid->phase2_auth, "EAP-") == TRUE) {
3349                 phase2_auth = g_strdup_printf("autheap=%s",
3350                                         ssid->phase2_auth + strlen("EAP-"));
3351         } else
3352                 phase2_auth = g_strdup_printf("auth=%s", ssid->phase2_auth);
3353
3354         supplicant_dbus_dict_append_basic(dict, "password",
3355                                                 DBUS_TYPE_STRING,
3356                                                 &ssid->passphrase);
3357
3358         if (ssid->ca_cert_path)
3359                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
3360                                                 DBUS_TYPE_STRING,
3361                                                 &ssid->ca_cert_path);
3362
3363         supplicant_dbus_dict_append_basic(dict, "phase2",
3364                                                 DBUS_TYPE_STRING,
3365                                                 &phase2_auth);
3366
3367         g_free(phase2_auth);
3368 }
3369
3370 static void add_network_security_eap(DBusMessageIter *dict,
3371                                         GSupplicantSSID *ssid)
3372 {
3373         char *eap_value;
3374
3375 #if defined TIZEN_EXT
3376         if (ssid->eap == NULL)
3377 #else
3378         if (ssid->eap == NULL || ssid->identity == NULL)
3379 #endif
3380                 return;
3381
3382         if (g_strcmp0(ssid->eap, "tls") == 0) {
3383                 add_network_security_tls(dict, ssid);
3384         } else if (g_strcmp0(ssid->eap, "peap") == 0 ||
3385                                 g_strcmp0(ssid->eap, "ttls") == 0) {
3386 #if defined TIZEN_EXT
3387                 if (ssid->identity == NULL)
3388                         return;
3389 #endif
3390                 add_network_security_peap(dict, ssid);
3391 #if defined TIZEN_EXT
3392         } else if (g_strcmp0(ssid->eap, "sim") == 0 ||
3393                         g_strcmp0(ssid->eap, "aka") == 0) {
3394 #endif
3395         } else
3396                 return;
3397
3398         eap_value = g_ascii_strup(ssid->eap, -1);
3399
3400         supplicant_dbus_dict_append_basic(dict, "eap",
3401                                                 DBUS_TYPE_STRING,
3402                                                 &eap_value);
3403 #if defined TIZEN_EXT
3404         if (ssid->identity != NULL)
3405                 supplicant_dbus_dict_append_basic(dict, "identity",
3406                                                         DBUS_TYPE_STRING,
3407                                                         &ssid->identity);
3408 #else
3409         supplicant_dbus_dict_append_basic(dict, "identity",
3410                                                 DBUS_TYPE_STRING,
3411                                                 &ssid->identity);
3412 #endif
3413
3414         g_free(eap_value);
3415 }
3416
3417 static void add_network_security_ciphers(DBusMessageIter *dict,
3418                                                 GSupplicantSSID *ssid)
3419 {
3420         unsigned int p_cipher, g_cipher, i;
3421         char *pairwise, *group;
3422         char *pair_ciphers[4];
3423         char *group_ciphers[5];
3424
3425         p_cipher = ssid->pairwise_cipher;
3426         g_cipher = ssid->group_cipher;
3427
3428         if (p_cipher == 0 && g_cipher == 0)
3429                 return;
3430
3431         i = 0;
3432
3433         if (p_cipher & G_SUPPLICANT_PAIRWISE_CCMP)
3434                 pair_ciphers[i++] = "CCMP";
3435
3436         if (p_cipher & G_SUPPLICANT_PAIRWISE_TKIP)
3437                 pair_ciphers[i++] = "TKIP";
3438
3439         if (p_cipher & G_SUPPLICANT_PAIRWISE_NONE)
3440                 pair_ciphers[i++] = "NONE";
3441
3442         pair_ciphers[i] = NULL;
3443
3444         i = 0;
3445
3446         if (g_cipher & G_SUPPLICANT_GROUP_CCMP)
3447                 group_ciphers[i++] = "CCMP";
3448
3449         if (g_cipher & G_SUPPLICANT_GROUP_TKIP)
3450                 group_ciphers[i++] = "TKIP";
3451
3452         if (g_cipher & G_SUPPLICANT_GROUP_WEP104)
3453                 group_ciphers[i++] = "WEP104";
3454
3455         if (g_cipher & G_SUPPLICANT_GROUP_WEP40)
3456                 group_ciphers[i++] = "WEP40";
3457
3458         group_ciphers[i] = NULL;
3459
3460         pairwise = g_strjoinv(" ", pair_ciphers);
3461         group = g_strjoinv(" ", group_ciphers);
3462
3463         SUPPLICANT_DBG("cipher %s %s", pairwise, group);
3464
3465         supplicant_dbus_dict_append_basic(dict, "pairwise",
3466                                                 DBUS_TYPE_STRING,
3467                                                 &pairwise);
3468         supplicant_dbus_dict_append_basic(dict, "group",
3469                                                 DBUS_TYPE_STRING,
3470                                                 &group);
3471
3472         g_free(pairwise);
3473         g_free(group);
3474 }
3475
3476 static void add_network_security_proto(DBusMessageIter *dict,
3477                                                 GSupplicantSSID *ssid)
3478 {
3479         unsigned int protocol, i;
3480         char *proto;
3481         char *protos[3];
3482
3483         protocol = ssid->protocol;
3484
3485         if (protocol == 0)
3486                 return;
3487
3488         i = 0;
3489
3490         if (protocol & G_SUPPLICANT_PROTO_RSN)
3491                 protos[i++] = "RSN";
3492
3493         if (protocol & G_SUPPLICANT_PROTO_WPA)
3494                 protos[i++] = "WPA";
3495
3496         protos[i] = NULL;
3497
3498         proto = g_strjoinv(" ", protos);
3499
3500         SUPPLICANT_DBG("proto %s", proto);
3501
3502         supplicant_dbus_dict_append_basic(dict, "proto",
3503                                                 DBUS_TYPE_STRING,
3504                                                 &proto);
3505
3506         g_free(proto);
3507 }
3508
3509 #if defined TIZEN_EXT
3510 static void add_network_security_none(DBusMessageIter *dict,
3511                                         GSupplicantSSID *ssid)
3512 {
3513         const char *auth_alg = "OPEN";
3514
3515         supplicant_dbus_dict_append_basic(dict, "auth_alg",
3516                                         DBUS_TYPE_STRING, &auth_alg);
3517 }
3518 #endif
3519
3520 static void add_network_security(DBusMessageIter *dict, GSupplicantSSID *ssid)
3521 {
3522         char *key_mgmt;
3523
3524         switch (ssid->security) {
3525         case G_SUPPLICANT_SECURITY_UNKNOWN:
3526         case G_SUPPLICANT_SECURITY_NONE:
3527 #if defined TIZEN_EXT
3528                 key_mgmt = "NONE";
3529                 add_network_security_none(dict, ssid);
3530                 add_network_security_ciphers(dict, ssid);
3531                 break;
3532 #endif
3533         case G_SUPPLICANT_SECURITY_WEP:
3534                 key_mgmt = "NONE";
3535                 add_network_security_wep(dict, ssid);
3536                 add_network_security_ciphers(dict, ssid);
3537                 break;
3538         case G_SUPPLICANT_SECURITY_PSK:
3539                 key_mgmt = "WPA-PSK";
3540                 add_network_security_psk(dict, ssid);
3541                 add_network_security_ciphers(dict, ssid);
3542                 add_network_security_proto(dict, ssid);
3543                 break;
3544         case G_SUPPLICANT_SECURITY_IEEE8021X:
3545                 key_mgmt = "WPA-EAP";
3546                 add_network_security_eap(dict, ssid);
3547                 add_network_security_ciphers(dict, ssid);
3548                 add_network_security_proto(dict, ssid);
3549                 break;
3550         }
3551
3552         supplicant_dbus_dict_append_basic(dict, "key_mgmt",
3553                                 DBUS_TYPE_STRING, &key_mgmt);
3554 }
3555
3556 static void add_network_mode(DBusMessageIter *dict, GSupplicantSSID *ssid)
3557 {
3558         dbus_uint32_t mode;
3559
3560         switch (ssid->mode) {
3561         case G_SUPPLICANT_MODE_UNKNOWN:
3562         case G_SUPPLICANT_MODE_INFRA:
3563                 mode = 0;
3564                 break;
3565         case G_SUPPLICANT_MODE_IBSS:
3566                 mode = 1;
3567                 break;
3568         case G_SUPPLICANT_MODE_MASTER:
3569                 mode = 2;
3570                 break;
3571         }
3572
3573         supplicant_dbus_dict_append_basic(dict, "mode",
3574                                 DBUS_TYPE_UINT32, &mode);
3575 }
3576
3577 static void interface_add_network_params(DBusMessageIter *iter, void *user_data)
3578 {
3579         DBusMessageIter dict;
3580         struct interface_connect_data *data = user_data;
3581         GSupplicantSSID *ssid = data->ssid;
3582
3583         supplicant_dbus_dict_open(iter, &dict);
3584
3585         if (ssid->scan_ssid)
3586                 supplicant_dbus_dict_append_basic(&dict, "scan_ssid",
3587                                          DBUS_TYPE_UINT32, &ssid->scan_ssid);
3588
3589         if (ssid->freq)
3590                 supplicant_dbus_dict_append_basic(&dict, "frequency",
3591                                          DBUS_TYPE_UINT32, &ssid->freq);
3592
3593         if (ssid->bgscan != NULL)
3594                 supplicant_dbus_dict_append_basic(&dict, "bgscan",
3595                                         DBUS_TYPE_STRING, &ssid->bgscan);
3596
3597         add_network_mode(&dict, ssid);
3598
3599         add_network_security(&dict, ssid);
3600
3601         supplicant_dbus_dict_append_fixed_array(&dict, "ssid",
3602                                         DBUS_TYPE_BYTE, &ssid->ssid,
3603                                                 ssid->ssid_len);
3604
3605         supplicant_dbus_dict_append_basic(&dict, "ignore_broadcast_ssid",
3606                                         DBUS_TYPE_INT32,
3607                                         &ssid->ignore_broadcast_ssid);
3608
3609         supplicant_dbus_dict_close(iter, &dict);
3610 }
3611
3612 static void interface_wps_start_result(const char *error,
3613                                 DBusMessageIter *iter, void *user_data)
3614 {
3615         struct interface_connect_data *data = user_data;
3616
3617         SUPPLICANT_DBG("");
3618         if (error != NULL)
3619                 SUPPLICANT_DBG("error: %s", error);
3620
3621         g_free(data->ssid);
3622         dbus_free(data);
3623 }
3624
3625 static void interface_add_wps_params(DBusMessageIter *iter, void *user_data)
3626 {
3627         struct interface_connect_data *data = user_data;
3628         GSupplicantSSID *ssid = data->ssid;
3629         const char *role = "enrollee", *type;
3630         DBusMessageIter dict;
3631
3632         SUPPLICANT_DBG("");
3633
3634         supplicant_dbus_dict_open(iter, &dict);
3635
3636         supplicant_dbus_dict_append_basic(&dict, "Role",
3637                                                 DBUS_TYPE_STRING, &role);
3638
3639         type = "pbc";
3640         if (ssid->pin_wps != NULL) {
3641                 type = "pin";
3642                 supplicant_dbus_dict_append_basic(&dict, "Pin",
3643                                         DBUS_TYPE_STRING, &ssid->pin_wps);
3644         }
3645
3646         supplicant_dbus_dict_append_basic(&dict, "Type",
3647                                         DBUS_TYPE_STRING, &type);
3648
3649         supplicant_dbus_dict_close(iter, &dict);
3650 }
3651
3652 static void wps_start(const char *error, DBusMessageIter *iter, void *user_data)
3653 {
3654         struct interface_connect_data *data = user_data;
3655
3656         SUPPLICANT_DBG("");
3657
3658         if (error != NULL) {
3659                 SUPPLICANT_DBG("error: %s", error);
3660                 g_free(data->ssid);
3661                 dbus_free(data);
3662                 return;
3663         }
3664
3665         supplicant_dbus_method_call(data->interface->path,
3666                         SUPPLICANT_INTERFACE ".Interface.WPS", "Start",
3667                         interface_add_wps_params,
3668                         interface_wps_start_result, data);
3669 }
3670
3671 static void wps_process_credentials(DBusMessageIter *iter, void *user_data)
3672 {
3673         dbus_bool_t credentials = TRUE;
3674
3675         SUPPLICANT_DBG("");
3676
3677         dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &credentials);
3678 }
3679
3680
3681 int g_supplicant_interface_connect(GSupplicantInterface *interface,
3682                                 GSupplicantSSID *ssid,
3683                                 GSupplicantInterfaceCallback callback,
3684                                                         void *user_data)
3685 {
3686         struct interface_connect_data *data;
3687         int ret;
3688
3689         if (interface == NULL)
3690                 return -EINVAL;
3691
3692         if (system_available == FALSE)
3693                 return -EFAULT;
3694
3695         /* TODO: Check if we're already connected and switch */
3696
3697         data = dbus_malloc0(sizeof(*data));
3698         if (data == NULL)
3699                 return -ENOMEM;
3700
3701         data->interface = interface;
3702         data->callback = callback;
3703         data->ssid = ssid;
3704         data->user_data = user_data;
3705
3706         if (ssid->use_wps == TRUE) {
3707                 g_free(interface->wps_cred.key);
3708                 memset(&interface->wps_cred, 0,
3709                                 sizeof(struct _GSupplicantWpsCredentials));
3710
3711                 ret = supplicant_dbus_property_set(interface->path,
3712                         SUPPLICANT_INTERFACE ".Interface.WPS",
3713                         "ProcessCredentials", DBUS_TYPE_BOOLEAN_AS_STRING,
3714                         wps_process_credentials, wps_start, data);
3715         } else
3716                 ret = supplicant_dbus_method_call(interface->path,
3717                         SUPPLICANT_INTERFACE ".Interface", "AddNetwork",
3718                         interface_add_network_params,
3719                         interface_add_network_result, data);
3720
3721         if (ret < 0)
3722                 return ret;
3723
3724         return -EINPROGRESS;
3725 }
3726
3727 static void network_remove_result(const char *error,
3728                                 DBusMessageIter *iter, void *user_data)
3729 {
3730         struct interface_data *data = user_data;
3731         int result = 0;
3732
3733         SUPPLICANT_DBG("");
3734
3735         if (error != NULL) {
3736                 result = -EIO;
3737                 if (g_strcmp0("org.freedesktop.DBus.Error.UnknownMethod",
3738                                                 error) == 0)
3739                         result = -ECONNABORTED;
3740         }
3741
3742         if (data->callback != NULL)
3743                 data->callback(result, data->interface, data->user_data);
3744
3745         dbus_free(data);
3746 }
3747
3748 static void network_remove_params(DBusMessageIter *iter, void *user_data)
3749 {
3750         struct interface_data *data = user_data;
3751         const char *path = data->interface->network_path;
3752
3753         SUPPLICANT_DBG("path %s", path);
3754
3755         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &path);
3756 }
3757
3758 static int network_remove(struct interface_data *data)
3759 {
3760         GSupplicantInterface *interface = data->interface;
3761
3762         SUPPLICANT_DBG("");
3763
3764         return supplicant_dbus_method_call(interface->path,
3765                         SUPPLICANT_INTERFACE ".Interface", "RemoveNetwork",
3766                         network_remove_params, network_remove_result, data);
3767 }
3768
3769 static void interface_disconnect_result(const char *error,
3770                                 DBusMessageIter *iter, void *user_data)
3771 {
3772         struct interface_data *data = user_data;
3773         int result = 0;
3774
3775         SUPPLICANT_DBG("");
3776
3777         if (error != NULL) {
3778                 result = -EIO;
3779                 if (g_strcmp0("org.freedesktop.DBus.Error.UnknownMethod",
3780                                                 error) == 0)
3781                         result = -ECONNABORTED;
3782         }
3783
3784         if (result < 0 && data->callback != NULL) {
3785                 data->callback(result, data->interface, data->user_data);
3786                 data->callback = NULL;
3787         }
3788
3789         /* If we are disconnecting from previous WPS successful
3790          * association. i.e.: it did not went through AddNetwork,
3791          * and interface->network_path was never set. */
3792         if (data->interface->network_path == NULL) {
3793                 dbus_free(data);
3794                 return;
3795         }
3796
3797         if (result != -ECONNABORTED)
3798                 network_remove(data);
3799         else
3800                 dbus_free(data);
3801 }
3802
3803 int g_supplicant_interface_disconnect(GSupplicantInterface *interface,
3804                                         GSupplicantInterfaceCallback callback,
3805                                                         void *user_data)
3806 {
3807         struct interface_data *data;
3808
3809         SUPPLICANT_DBG("");
3810
3811         if (interface == NULL)
3812                 return -EINVAL;
3813
3814         if (system_available == FALSE)
3815                 return -EFAULT;
3816
3817         data = dbus_malloc0(sizeof(*data));
3818         if (data == NULL)
3819                 return -ENOMEM;
3820
3821         data->interface = interface;
3822         data->callback = callback;
3823         data->user_data = user_data;
3824
3825         return supplicant_dbus_method_call(interface->path,
3826                         SUPPLICANT_INTERFACE ".Interface", "Disconnect",
3827                                 NULL, interface_disconnect_result, data);
3828 }
3829
3830
3831 static const char *g_supplicant_rule0 = "type=signal,"
3832                                         "path=" DBUS_PATH_DBUS ","
3833                                         "sender=" DBUS_SERVICE_DBUS ","
3834                                         "interface=" DBUS_INTERFACE_DBUS ","
3835                                         "member=NameOwnerChanged,"
3836                                         "arg0=" SUPPLICANT_SERVICE;
3837 static const char *g_supplicant_rule1 = "type=signal,"
3838                         "interface=" SUPPLICANT_INTERFACE;
3839 static const char *g_supplicant_rule2 = "type=signal,"
3840                         "interface=" SUPPLICANT_INTERFACE ".Interface";
3841 static const char *g_supplicant_rule3 = "type=signal,"
3842                         "interface=" SUPPLICANT_INTERFACE ".Interface.WPS";
3843 static const char *g_supplicant_rule4 = "type=signal,"
3844                         "interface=" SUPPLICANT_INTERFACE ".BSS";
3845 static const char *g_supplicant_rule5 = "type=signal,"
3846                         "interface=" SUPPLICANT_INTERFACE ".Network";
3847
3848 static void invoke_introspect_method(void)
3849 {
3850         DBusMessage *message;
3851
3852         message = dbus_message_new_method_call(SUPPLICANT_SERVICE,
3853                                         SUPPLICANT_PATH,
3854                                         DBUS_INTERFACE_INTROSPECTABLE,
3855                                         "Introspect");
3856
3857         if (message == NULL)
3858                 return;
3859
3860         dbus_message_set_no_reply(message, TRUE);
3861         dbus_connection_send(connection, message, NULL);
3862         dbus_message_unref(message);
3863 }
3864
3865 int g_supplicant_register(const GSupplicantCallbacks *callbacks)
3866 {
3867         connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
3868         if (connection == NULL)
3869                 return -EIO;
3870
3871         if (dbus_connection_add_filter(connection,
3872                                 g_supplicant_filter, NULL, NULL) == FALSE) {
3873                 dbus_connection_unref(connection);
3874                 connection = NULL;
3875                 return -EIO;
3876         }
3877
3878         callbacks_pointer = callbacks;
3879         eap_methods = 0;
3880
3881         interface_table = g_hash_table_new_full(g_str_hash, g_str_equal,
3882                                                 NULL, remove_interface);
3883
3884         bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
3885                                                                 NULL, NULL);
3886
3887         supplicant_dbus_setup(connection);
3888
3889         dbus_bus_add_match(connection, g_supplicant_rule0, NULL);
3890         dbus_bus_add_match(connection, g_supplicant_rule1, NULL);
3891         dbus_bus_add_match(connection, g_supplicant_rule2, NULL);
3892         dbus_bus_add_match(connection, g_supplicant_rule3, NULL);
3893         dbus_bus_add_match(connection, g_supplicant_rule4, NULL);
3894         dbus_bus_add_match(connection, g_supplicant_rule5, NULL);
3895         dbus_connection_flush(connection);
3896
3897         if (dbus_bus_name_has_owner(connection,
3898                                         SUPPLICANT_SERVICE, NULL) == TRUE) {
3899                 system_available = TRUE;
3900                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
3901                                                 SUPPLICANT_INTERFACE,
3902                                                 service_property, NULL);
3903         } else
3904                 invoke_introspect_method();
3905
3906         return 0;
3907 }
3908
3909 static void unregister_interface_remove_params(DBusMessageIter *iter,
3910                                                 void *user_data)
3911 {
3912         const char *path = user_data;
3913
3914         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
3915                                                         &path);
3916 }
3917
3918
3919 static void unregister_remove_interface(gpointer key, gpointer value,
3920                                                 gpointer user_data)
3921 {
3922         GSupplicantInterface *interface = value;
3923
3924         supplicant_dbus_method_call(SUPPLICANT_PATH,
3925                                         SUPPLICANT_INTERFACE,
3926                                         "RemoveInterface",
3927                                         unregister_interface_remove_params,
3928                                                 NULL, interface->path);
3929 }
3930
3931 void g_supplicant_unregister(const GSupplicantCallbacks *callbacks)
3932 {
3933         SUPPLICANT_DBG("");
3934
3935         if (connection != NULL) {
3936                 dbus_bus_remove_match(connection, g_supplicant_rule5, NULL);
3937                 dbus_bus_remove_match(connection, g_supplicant_rule4, NULL);
3938                 dbus_bus_remove_match(connection, g_supplicant_rule3, NULL);
3939                 dbus_bus_remove_match(connection, g_supplicant_rule2, NULL);
3940                 dbus_bus_remove_match(connection, g_supplicant_rule1, NULL);
3941                 dbus_bus_remove_match(connection, g_supplicant_rule0, NULL);
3942                 dbus_connection_flush(connection);
3943
3944                 dbus_connection_remove_filter(connection,
3945                                                 g_supplicant_filter, NULL);
3946         }
3947
3948         if (bss_mapping != NULL) {
3949                 g_hash_table_destroy(bss_mapping);
3950                 bss_mapping = NULL;
3951         }
3952
3953         if (system_available == TRUE)
3954                 callback_system_killed();
3955
3956         if (interface_table != NULL) {
3957                 g_hash_table_foreach(interface_table,
3958                                         unregister_remove_interface, NULL);
3959                 g_hash_table_destroy(interface_table);
3960                 interface_table = NULL;
3961         }
3962
3963         if (connection != NULL) {
3964                 dbus_connection_unref(connection);
3965                 connection = NULL;
3966         }
3967
3968         callbacks_pointer = NULL;
3969         eap_methods = 0;
3970 }