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                 callback_interface_added(interface);
1733                 return;
1734         }
1735
1736         if (g_strcmp0(key, "Capabilities") == 0) {
1737                 supplicant_dbus_property_foreach(iter, interface_capability,
1738                                                                 interface);
1739         } else if (g_strcmp0(key, "State") == 0) {
1740                 const char *str = NULL;
1741
1742                 dbus_message_iter_get_basic(iter, &str);
1743                 if (str != NULL)
1744                         if (string2state(str) != interface->state) {
1745                                 interface->state = string2state(str);
1746                                 callback_interface_state(interface);
1747                         }
1748                 if (interface->state == G_SUPPLICANT_STATE_DISABLED)
1749                         interface->ready = FALSE;
1750                 else
1751                         interface->ready = TRUE;
1752
1753                 SUPPLICANT_DBG("state %s (%d)", str, interface->state);
1754         } else if (g_strcmp0(key, "Scanning") == 0) {
1755                 dbus_bool_t scanning = FALSE;
1756
1757                 dbus_message_iter_get_basic(iter, &scanning);
1758                 interface->scanning = scanning;
1759
1760                 if (interface->ready == TRUE) {
1761                         if (interface->scanning == TRUE)
1762                                 callback_scan_started(interface);
1763                         else
1764                                 callback_scan_finished(interface);
1765                 }
1766         } else if (g_strcmp0(key, "ApScan") == 0) {
1767                 int apscan = 1;
1768
1769                 dbus_message_iter_get_basic(iter, &apscan);
1770                 interface->apscan = apscan;
1771         } else if (g_strcmp0(key, "Ifname") == 0) {
1772                 const char *str = NULL;
1773
1774                 dbus_message_iter_get_basic(iter, &str);
1775                 if (str != NULL) {
1776                         g_free(interface->ifname);
1777                         interface->ifname = g_strdup(str);
1778                 }
1779         } else if (g_strcmp0(key, "Driver") == 0) {
1780                 const char *str = NULL;
1781
1782                 dbus_message_iter_get_basic(iter, &str);
1783                 if (str != NULL) {
1784                         g_free(interface->driver);
1785                         interface->driver = g_strdup(str);
1786                 }
1787         } else if (g_strcmp0(key, "BridgeIfname") == 0) {
1788                 const char *str = NULL;
1789
1790                 dbus_message_iter_get_basic(iter, &str);
1791                 if (str != NULL) {
1792                         g_free(interface->bridge);
1793                         interface->bridge = g_strdup(str);
1794                 }
1795         } else if (g_strcmp0(key, "CurrentBSS") == 0) {
1796                 interface_bss_added_without_keys(iter, interface);
1797         } else if (g_strcmp0(key, "CurrentNetwork") == 0) {
1798                 interface_network_added(iter, interface);
1799         } else if (g_strcmp0(key, "BSSs") == 0) {
1800                 supplicant_dbus_array_foreach(iter, interface_bss_added_without_keys,
1801                                                                 interface);
1802         } else if (g_strcmp0(key, "Blobs") == 0) {
1803                 /* Nothing */
1804         } else if (g_strcmp0(key, "Networks") == 0) {
1805                 supplicant_dbus_array_foreach(iter, interface_network_added,
1806                                                                 interface);
1807         } else
1808                 SUPPLICANT_DBG("key %s type %c",
1809                                 key, dbus_message_iter_get_arg_type(iter));
1810 }
1811
1812 static void scan_network_update(DBusMessageIter *iter, void *user_data)
1813 {
1814         GSupplicantInterface *interface = user_data;
1815         GSupplicantNetwork *network;
1816         char *path;
1817
1818         if (iter == NULL)
1819                 return;
1820
1821         dbus_message_iter_get_basic(iter, &path);
1822
1823         if (path == NULL)
1824                 return;
1825
1826         if (g_strcmp0(path, "/") == 0)
1827                 return;
1828
1829         /* Update the network details based on scan BSS data */
1830         network = g_hash_table_lookup(interface->bss_mapping, path);
1831         if (network != NULL)
1832                 callback_network_added(network);
1833 }
1834
1835 static void scan_bss_data(const char *key, DBusMessageIter *iter,
1836                                 void *user_data)
1837 {
1838         GSupplicantInterface *interface = user_data;
1839
1840         if (iter)
1841                 supplicant_dbus_array_foreach(iter, scan_network_update,
1842                                                 interface);
1843
1844         if (interface->scan_callback != NULL)
1845                 interface->scan_callback(0, interface, interface->scan_data);
1846
1847         interface->scan_callback = NULL;
1848         interface->scan_data = NULL;
1849 }
1850
1851 static GSupplicantInterface *interface_alloc(const char *path)
1852 {
1853         GSupplicantInterface *interface;
1854
1855         interface = g_try_new0(GSupplicantInterface, 1);
1856         if (interface == NULL)
1857                 return NULL;
1858
1859         interface->path = g_strdup(path);
1860
1861         interface->network_table = g_hash_table_new_full(g_str_hash,
1862                                         g_str_equal, NULL, remove_network);
1863
1864         interface->net_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1865                                                                 NULL, NULL);
1866         interface->bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
1867                                                                 NULL, NULL);
1868
1869         g_hash_table_replace(interface_table, interface->path, interface);
1870
1871         return interface;
1872 }
1873
1874 static void interface_added(DBusMessageIter *iter, void *user_data)
1875 {
1876         GSupplicantInterface *interface;
1877         const char *path = NULL;
1878
1879         SUPPLICANT_DBG("");
1880
1881         dbus_message_iter_get_basic(iter, &path);
1882         if (path == NULL)
1883                 return;
1884
1885         if (g_strcmp0(path, "/") == 0)
1886                 return;
1887
1888         interface = g_hash_table_lookup(interface_table, path);
1889         if (interface != NULL)
1890                 return;
1891
1892         interface = interface_alloc(path);
1893         if (interface == NULL)
1894                 return;
1895
1896         dbus_message_iter_next(iter);
1897         if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_INVALID) {
1898                 supplicant_dbus_property_foreach(iter, interface_property,
1899                                                                 interface);
1900                 interface_property(NULL, NULL, interface);
1901                 return;
1902         }
1903
1904         supplicant_dbus_property_get_all(path,
1905                                         SUPPLICANT_INTERFACE ".Interface",
1906                                                 interface_property, interface);
1907 }
1908
1909 static void interface_removed(DBusMessageIter *iter, void *user_data)
1910 {
1911         const char *path = NULL;
1912
1913         dbus_message_iter_get_basic(iter, &path);
1914         if (path == NULL)
1915                 return;
1916
1917         g_hash_table_remove(interface_table, path);
1918 }
1919
1920 static void eap_method(DBusMessageIter *iter, void *user_data)
1921 {
1922         const char *str = NULL;
1923         int i;
1924
1925         dbus_message_iter_get_basic(iter, &str);
1926         if (str == NULL)
1927                 return;
1928
1929         for (i = 0; eap_method_map[i].str != NULL; i++)
1930                 if (strcmp(str, eap_method_map[i].str) == 0) {
1931                         eap_methods |= eap_method_map[i].val;
1932                         break;
1933                 }
1934 }
1935
1936 static void service_property(const char *key, DBusMessageIter *iter,
1937                                                         void *user_data)
1938 {
1939         if (key == NULL) {
1940                 callback_system_ready();
1941                 return;
1942         }
1943
1944         if (g_strcmp0(key, "DebugLevel") == 0) {
1945                 const char *str = NULL;
1946                 int i;
1947
1948                 dbus_message_iter_get_basic(iter, &str);
1949                 for (i = 0; debug_strings[i] != NULL; i++)
1950                         if (g_strcmp0(debug_strings[i], str) == 0) {
1951                                 debug_level = i;
1952                                 break;
1953                         }
1954                 SUPPLICANT_DBG("Debug level %d", debug_level);
1955         } else if (g_strcmp0(key, "DebugTimestamp") == 0) {
1956                 dbus_message_iter_get_basic(iter, &debug_timestamp);
1957                 SUPPLICANT_DBG("Debug timestamp %u", debug_timestamp);
1958         } else if (g_strcmp0(key, "DebugShowKeys") == 0) {
1959                 dbus_message_iter_get_basic(iter, &debug_showkeys);
1960                 SUPPLICANT_DBG("Debug show keys %u", debug_showkeys);
1961         } else if (g_strcmp0(key, "Interfaces") == 0) {
1962                 supplicant_dbus_array_foreach(iter, interface_added, NULL);
1963         } else if (g_strcmp0(key, "EapMethods") == 0) {
1964                 supplicant_dbus_array_foreach(iter, eap_method, NULL);
1965                 debug_strvalmap("EAP method", eap_method_map, eap_methods);
1966         } else if (g_strcmp0(key, "Country") == 0) {
1967                 const char *country = NULL;
1968
1969                 dbus_message_iter_get_basic(iter, &country);
1970                 SUPPLICANT_DBG("Country %s", country);
1971         } else
1972                 SUPPLICANT_DBG("key %s type %c",
1973                                 key, dbus_message_iter_get_arg_type(iter));
1974 }
1975
1976 static void signal_name_owner_changed(const char *path, DBusMessageIter *iter)
1977 {
1978         const char *name = NULL, *old = NULL, *new = NULL;
1979
1980         SUPPLICANT_DBG("");
1981
1982         if (g_strcmp0(path, DBUS_PATH_DBUS) != 0)
1983                 return;
1984
1985         dbus_message_iter_get_basic(iter, &name);
1986         if (name == NULL)
1987                 return;
1988
1989         if (g_strcmp0(name, SUPPLICANT_SERVICE) != 0)
1990                 return;
1991
1992         dbus_message_iter_next(iter);
1993         dbus_message_iter_get_basic(iter, &old);
1994         dbus_message_iter_next(iter);
1995         dbus_message_iter_get_basic(iter, &new);
1996
1997         if (old == NULL || new == NULL)
1998                 return;
1999
2000         if (strlen(old) > 0 && strlen(new) == 0) {
2001                 system_available = FALSE;
2002                 g_hash_table_remove_all(bss_mapping);
2003                 g_hash_table_remove_all(interface_table);
2004                 callback_system_killed();
2005         }
2006
2007         if (strlen(new) > 0 && strlen(old) == 0) {
2008                 system_available = TRUE;
2009                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
2010                                                         SUPPLICANT_INTERFACE,
2011                                                         service_property, NULL);
2012         }
2013 }
2014
2015 static void signal_properties_changed(const char *path, DBusMessageIter *iter)
2016 {
2017         SUPPLICANT_DBG("");
2018
2019         if (g_strcmp0(path, SUPPLICANT_PATH) != 0)
2020                 return;
2021
2022         supplicant_dbus_property_foreach(iter, service_property, NULL);
2023 }
2024
2025 static void signal_interface_added(const char *path, DBusMessageIter *iter)
2026 {
2027         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
2028
2029         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
2030                 interface_added(iter, NULL);
2031 }
2032
2033 static void signal_interface_removed(const char *path, DBusMessageIter *iter)
2034 {
2035         SUPPLICANT_DBG("");
2036
2037         if (g_strcmp0(path, SUPPLICANT_PATH) == 0)
2038                 interface_removed(iter, NULL);
2039 }
2040
2041 static void signal_interface_changed(const char *path, DBusMessageIter *iter)
2042 {
2043         GSupplicantInterface *interface;
2044
2045         SUPPLICANT_DBG("");
2046
2047         interface = g_hash_table_lookup(interface_table, path);
2048         if (interface == NULL)
2049                 return;
2050
2051         supplicant_dbus_property_foreach(iter, interface_property, interface);
2052 }
2053
2054 static void signal_scan_done(const char *path, DBusMessageIter *iter)
2055 {
2056         GSupplicantInterface *interface;
2057         dbus_bool_t success = FALSE;
2058
2059         SUPPLICANT_DBG("");
2060
2061         interface = g_hash_table_lookup(interface_table, path);
2062         if (interface == NULL)
2063                 return;
2064
2065         dbus_message_iter_get_basic(iter, &success);
2066
2067         /*
2068          * If scan is unsuccessful return -EIO else get the scanned BSSs
2069          * and update the network details accordingly
2070          */
2071         if (success == FALSE) {
2072                 if (interface->scan_callback != NULL)
2073                         interface->scan_callback(-EIO, interface,
2074                                                 interface->scan_data);
2075
2076                 interface->scan_callback = NULL;
2077                 interface->scan_data = NULL;
2078
2079                 return;
2080         }
2081
2082         supplicant_dbus_property_get(path, SUPPLICANT_INTERFACE ".Interface",
2083                                         "BSSs", scan_bss_data, interface);
2084 }
2085
2086 static void signal_bss_added(const char *path, DBusMessageIter *iter)
2087 {
2088         GSupplicantInterface *interface;
2089
2090         SUPPLICANT_DBG("");
2091
2092         interface = g_hash_table_lookup(interface_table, path);
2093         if (interface == NULL)
2094                 return;
2095
2096         interface_bss_added_with_keys(iter, interface);
2097 }
2098
2099 static void signal_bss_removed(const char *path, DBusMessageIter *iter)
2100 {
2101         GSupplicantInterface *interface;
2102
2103         SUPPLICANT_DBG("");
2104
2105         interface = g_hash_table_lookup(interface_table, path);
2106         if (interface == NULL)
2107                 return;
2108
2109         interface_bss_removed(iter, interface);
2110 }
2111
2112 static void signal_network_added(const char *path, DBusMessageIter *iter)
2113 {
2114         GSupplicantInterface *interface;
2115
2116         SUPPLICANT_DBG("");
2117
2118         interface = g_hash_table_lookup(interface_table, path);
2119         if (interface == NULL)
2120                 return;
2121
2122         interface_network_added(iter, interface);
2123 }
2124
2125 static void signal_network_removed(const char *path, DBusMessageIter *iter)
2126 {
2127         GSupplicantInterface *interface;
2128
2129         SUPPLICANT_DBG("");
2130
2131         interface = g_hash_table_lookup(interface_table, path);
2132         if (interface == NULL)
2133                 return;
2134
2135         interface_network_removed(iter, interface);
2136 }
2137
2138 static void signal_bss_changed(const char *path, DBusMessageIter *iter)
2139 {
2140         GSupplicantInterface *interface;
2141         GSupplicantNetwork *network;
2142         GSupplicantSecurity old_security;
2143         struct g_supplicant_bss *bss;
2144
2145         SUPPLICANT_DBG("");
2146
2147         interface = g_hash_table_lookup(bss_mapping, path);
2148         if (interface == NULL)
2149                 return;
2150
2151         network = g_hash_table_lookup(interface->bss_mapping, path);
2152         if (network == NULL)
2153                 return;
2154
2155         bss = g_hash_table_lookup(network->bss_table, path);
2156         if (bss == NULL)
2157                 return;
2158
2159         supplicant_dbus_property_foreach(iter, bss_property, bss);
2160
2161         old_security = network->security;
2162         bss_compute_security(bss);
2163
2164         if (old_security != bss->security) {
2165                 struct g_supplicant_bss *new_bss;
2166
2167                 SUPPLICANT_DBG("New network security for %s", bss->ssid);
2168
2169                 /* Security change policy:
2170                  * - we first copy the current bss into a new one with
2171                  * its own pointer (path)
2172                  * - we remove the current bss related network which will
2173                  * tell the plugin about such removal. This is done due
2174                  * to the fact that a security change means a group change
2175                  * so a complete network change.
2176                  * (current bss becomes invalid as well)
2177                  * - we add the new bss: it adds new network and tell the
2178                  * plugin about it. */
2179
2180                 new_bss = g_try_new0(struct g_supplicant_bss, 1);
2181                 if (new_bss == NULL)
2182                         return;
2183
2184                 memcpy(new_bss, bss, sizeof(struct g_supplicant_bss));
2185                 new_bss->path = g_strdup(bss->path);
2186
2187                 g_hash_table_remove(interface->network_table, network->group);
2188
2189                 add_or_replace_bss_to_network(new_bss);
2190
2191                 return;
2192         }
2193
2194         if (bss->signal == network->signal)
2195                 return;
2196
2197         /*
2198          * If the new signal is lower than the SSID signal, we need
2199          * to check for the new maximum.
2200          */
2201         if (bss->signal < network->signal) {
2202                 if (bss != network->best_bss)
2203                         return;
2204                 network->signal = bss->signal;
2205                 update_network_signal(network);
2206         } else {
2207                 network->signal = bss->signal;
2208                 network->best_bss = bss;
2209         }
2210
2211         SUPPLICANT_DBG("New network signal for %s %d dBm", network->ssid, network->signal);
2212
2213         callback_network_changed(network, "Signal");
2214 }
2215
2216 static void wps_credentials(const char *key, DBusMessageIter *iter,
2217                         void *user_data)
2218 {
2219         GSupplicantInterface *interface = user_data;
2220
2221         if (key == NULL)
2222                 return;
2223
2224         SUPPLICANT_DBG("key %s", key);
2225
2226         if (g_strcmp0(key, "Key") == 0) {
2227                 DBusMessageIter array;
2228                 unsigned char *key_val;
2229                 int key_len;
2230
2231                 dbus_message_iter_recurse(iter, &array);
2232                 dbus_message_iter_get_fixed_array(&array, &key_val, &key_len);
2233
2234                 g_free(interface->wps_cred.key);
2235                 interface->wps_cred.key = g_try_malloc0(
2236                                                 sizeof(char) * key_len + 1);
2237
2238                 if (interface->wps_cred.key == NULL)
2239                         return;
2240
2241                 memcpy(interface->wps_cred.key, key_val,
2242                                                 sizeof(char) * key_len);
2243
2244                 SUPPLICANT_DBG("WPS key present");
2245         } else if (g_strcmp0(key, "SSID") == 0) {
2246                 DBusMessageIter array;
2247                 unsigned char *ssid;
2248                 int ssid_len;
2249
2250                 dbus_message_iter_recurse(iter, &array);
2251                 dbus_message_iter_get_fixed_array(&array, &ssid, &ssid_len);
2252
2253                 if (ssid_len > 0 && ssid_len < 33) {
2254                         memcpy(interface->wps_cred.ssid, ssid, ssid_len);
2255                         interface->wps_cred.ssid_len = ssid_len;
2256                 } else {
2257                         memset(interface->wps_cred.ssid, 0, 32);
2258                         interface->wps_cred.ssid_len = 0;
2259                 }
2260         }
2261 }
2262
2263 static void signal_wps_credentials(const char *path, DBusMessageIter *iter)
2264 {
2265         GSupplicantInterface *interface;
2266
2267         SUPPLICANT_DBG("");
2268
2269         interface = g_hash_table_lookup(interface_table, path);
2270         if (interface == NULL)
2271                 return;
2272
2273         supplicant_dbus_property_foreach(iter, wps_credentials, interface);
2274 }
2275
2276 static void wps_event_args(const char *key, DBusMessageIter *iter,
2277                         void *user_data)
2278 {
2279         GSupplicantInterface *interface = user_data;
2280
2281         if (key == NULL || interface == NULL)
2282                 return;
2283
2284         SUPPLICANT_DBG("Arg Key %s", key);
2285 }
2286
2287 static void signal_wps_event(const char *path, DBusMessageIter *iter)
2288 {
2289         GSupplicantInterface *interface;
2290         const char *name = NULL;
2291
2292         SUPPLICANT_DBG("");
2293
2294         interface = g_hash_table_lookup(interface_table, path);
2295         if (interface == NULL)
2296                 return;
2297
2298         dbus_message_iter_get_basic(iter, &name);
2299
2300         SUPPLICANT_DBG("Name: %s", name);
2301
2302         if (g_strcmp0(name, "success") == 0)
2303                 interface->wps_state = G_SUPPLICANT_WPS_STATE_SUCCESS;
2304         else if (g_strcmp0(name, "failed") == 0)
2305                 interface->wps_state = G_SUPPLICANT_WPS_STATE_FAIL;
2306         else
2307                 interface->wps_state = G_SUPPLICANT_WPS_STATE_UNKNOWN;
2308
2309         if (!dbus_message_iter_has_next(iter))
2310                 return;
2311
2312         dbus_message_iter_next(iter);
2313
2314         supplicant_dbus_property_foreach(iter, wps_event_args, interface);
2315 }
2316
2317 static void signal_station_connected(const char *path, DBusMessageIter *iter)
2318 {
2319         GSupplicantInterface *interface;
2320         const char *sta_mac = NULL;
2321
2322         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
2323
2324         if (callbacks_pointer->add_station == NULL)
2325                 return;
2326
2327         if (g_strcmp0(path, "/") == 0)
2328                 return;
2329
2330         interface = g_hash_table_lookup(interface_table, path);
2331         if (interface == NULL)
2332                 return;
2333
2334         dbus_message_iter_get_basic(iter, &sta_mac);
2335         if (sta_mac == NULL)
2336                 return;
2337
2338         SUPPLICANT_DBG("New station %s connected", sta_mac);
2339         callbacks_pointer->add_station(sta_mac);
2340 }
2341
2342 static void signal_station_disconnected(const char *path, DBusMessageIter *iter)
2343 {
2344         GSupplicantInterface *interface;
2345         const char *sta_mac = NULL;
2346
2347         SUPPLICANT_DBG("path %s %s", path, SUPPLICANT_PATH);
2348
2349         if (callbacks_pointer->remove_station == NULL)
2350                 return;
2351
2352         if (g_strcmp0(path, "/") == 0)
2353                 return;
2354
2355         interface = g_hash_table_lookup(interface_table, path);
2356         if (interface == NULL)
2357                 return;
2358
2359         dbus_message_iter_get_basic(iter, &sta_mac);
2360         if (sta_mac == NULL)
2361                 return;
2362
2363         SUPPLICANT_DBG("Station %s disconnected", sta_mac);
2364         callbacks_pointer->remove_station(sta_mac);
2365 }
2366
2367 static struct {
2368         const char *interface;
2369         const char *member;
2370         void (*function) (const char *path, DBusMessageIter *iter);
2371 } signal_map[] = {
2372         { DBUS_INTERFACE_DBUS,  "NameOwnerChanged",  signal_name_owner_changed },
2373
2374         { SUPPLICANT_INTERFACE, "PropertiesChanged", signal_properties_changed },
2375         { SUPPLICANT_INTERFACE, "InterfaceAdded",    signal_interface_added    },
2376         { SUPPLICANT_INTERFACE, "InterfaceCreated",  signal_interface_added    },
2377         { SUPPLICANT_INTERFACE, "InterfaceRemoved",  signal_interface_removed  },
2378
2379         { SUPPLICANT_INTERFACE ".Interface", "PropertiesChanged", signal_interface_changed },
2380         { SUPPLICANT_INTERFACE ".Interface", "ScanDone",          signal_scan_done         },
2381         { SUPPLICANT_INTERFACE ".Interface", "BSSAdded",          signal_bss_added         },
2382         { SUPPLICANT_INTERFACE ".Interface", "BSSRemoved",        signal_bss_removed       },
2383         { SUPPLICANT_INTERFACE ".Interface", "NetworkAdded",      signal_network_added     },
2384         { SUPPLICANT_INTERFACE ".Interface", "NetworkRemoved",    signal_network_removed   },
2385
2386         { SUPPLICANT_INTERFACE ".BSS", "PropertiesChanged", signal_bss_changed   },
2387
2388         { SUPPLICANT_INTERFACE ".Interface.WPS", "Credentials", signal_wps_credentials },
2389         { SUPPLICANT_INTERFACE ".Interface.WPS", "Event",       signal_wps_event       },
2390
2391         { SUPPLICANT_INTERFACE".Interface", "StaAuthorized",
2392                 signal_station_connected    },
2393         { SUPPLICANT_INTERFACE".Interface", "StaDeauthorized",
2394                 signal_station_disconnected  },
2395
2396         { }
2397 };
2398
2399 static DBusHandlerResult g_supplicant_filter(DBusConnection *conn,
2400                                         DBusMessage *message, void *data)
2401 {
2402         DBusMessageIter iter;
2403         const char *path;
2404         int i;
2405
2406         path = dbus_message_get_path(message);
2407         if (path == NULL)
2408                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2409
2410         if (dbus_message_iter_init(message, &iter) == FALSE)
2411                 return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2412
2413         for (i = 0; signal_map[i].interface != NULL; i++) {
2414                 if (dbus_message_has_interface(message,
2415                                         signal_map[i].interface) == FALSE)
2416                         continue;
2417
2418                 if (dbus_message_has_member(message,
2419                                         signal_map[i].member) == FALSE)
2420                         continue;
2421
2422                 signal_map[i].function(path, &iter);
2423                 break;
2424         }
2425
2426         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
2427 }
2428
2429 struct supplicant_regdom {
2430         GSupplicantCountryCallback callback;
2431         const char *alpha2;
2432         const void *user_data;
2433 };
2434
2435 static void country_result(const char *error,
2436                                 DBusMessageIter *iter, void *user_data)
2437 {
2438         struct supplicant_regdom *regdom = user_data;
2439         int result = 0;
2440
2441         SUPPLICANT_DBG("Country setting result");
2442
2443         if (user_data == NULL)
2444                 return;
2445
2446         if (error != NULL) {
2447                 SUPPLICANT_DBG("Country setting failure %s", error);
2448                 result = -EINVAL;
2449         }
2450
2451         if (regdom->callback)
2452                 regdom->callback(result, regdom->alpha2,
2453                                         (void *) regdom->user_data);
2454
2455         g_free(regdom);
2456 }
2457
2458 static void country_params(DBusMessageIter *iter, void *user_data)
2459 {
2460         struct supplicant_regdom *regdom = user_data;
2461
2462         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
2463                                                         &regdom->alpha2);
2464 }
2465
2466 int g_supplicant_set_country(const char *alpha2,
2467                                 GSupplicantCountryCallback callback,
2468                                         const void *user_data)
2469 {
2470         struct supplicant_regdom *regdom;
2471
2472         SUPPLICANT_DBG("Country setting %s", alpha2);
2473
2474         if (system_available == FALSE)
2475                 return -EFAULT;
2476
2477         regdom = dbus_malloc0(sizeof(*regdom));
2478         if (regdom == NULL)
2479                 return -ENOMEM;
2480
2481         regdom->callback = callback;
2482         regdom->alpha2 = alpha2;
2483         regdom->user_data = user_data;
2484
2485         return supplicant_dbus_property_set(SUPPLICANT_PATH, SUPPLICANT_INTERFACE,
2486                                         "Country", DBUS_TYPE_STRING_AS_STRING,
2487                                         country_params, country_result,
2488                                                 regdom);
2489 }
2490
2491 int g_supplicant_interface_set_country(GSupplicantInterface *interface,
2492                                         GSupplicantCountryCallback callback,
2493                                                         const char *alpha2,
2494                                                         void *user_data)
2495 {
2496         struct supplicant_regdom *regdom;
2497
2498         regdom = dbus_malloc0(sizeof(*regdom));
2499         if (regdom == NULL)
2500                 return -ENOMEM;
2501
2502         regdom->callback = callback;
2503         regdom->alpha2 = alpha2;
2504         regdom->user_data = user_data;
2505
2506         return supplicant_dbus_property_set(interface->path,
2507                                 SUPPLICANT_INTERFACE ".Interface",
2508                                 "Country", DBUS_TYPE_STRING_AS_STRING,
2509                                 country_params, country_result,
2510                                         regdom);
2511 }
2512
2513 struct interface_data {
2514         GSupplicantInterface *interface;
2515         GSupplicantInterfaceCallback callback;
2516         void *user_data;
2517 };
2518
2519 struct interface_create_data {
2520         const char *ifname;
2521         const char *driver;
2522         const char *bridge;
2523         GSupplicantInterface *interface;
2524         GSupplicantInterfaceCallback callback;
2525         void *user_data;
2526 };
2527
2528 struct interface_connect_data {
2529         GSupplicantInterface *interface;
2530         GSupplicantInterfaceCallback callback;
2531         GSupplicantSSID *ssid;
2532         void *user_data;
2533 };
2534
2535 struct interface_scan_data {
2536         GSupplicantInterface *interface;
2537         GSupplicantInterfaceCallback callback;
2538         GSupplicantScanParams *scan_params;
2539         void *user_data;
2540 };
2541
2542 struct interface_autoscan_data {
2543         GSupplicantInterface *interface;
2544         GSupplicantInterfaceCallback callback;
2545         const char *autoscan_params;
2546         void *user_data;
2547 };
2548
2549 static void interface_create_property(const char *key, DBusMessageIter *iter,
2550                                                         void *user_data)
2551 {
2552         struct interface_create_data *data = user_data;
2553         GSupplicantInterface *interface = data->interface;
2554
2555         if (key == NULL) {
2556                 if (data->callback != NULL)
2557                         data->callback(0, data->interface, data->user_data);
2558
2559                 dbus_free(data);
2560         }
2561
2562         interface_property(key, iter, interface);
2563 }
2564
2565 static void interface_create_result(const char *error,
2566                                 DBusMessageIter *iter, void *user_data)
2567 {
2568         struct interface_create_data *data = user_data;
2569         const char *path = NULL;
2570         int err;
2571
2572         SUPPLICANT_DBG("");
2573
2574         if (error != NULL) {
2575                 g_warning("error %s", error);
2576                 err = -EIO;
2577                 goto done;
2578         }
2579
2580         dbus_message_iter_get_basic(iter, &path);
2581         if (path == NULL) {
2582                 err = -EINVAL;
2583                 goto done;
2584         }
2585
2586         if (system_available == FALSE) {
2587                 err = -EFAULT;
2588                 goto done;
2589         }
2590
2591         data->interface = g_hash_table_lookup(interface_table, path);
2592         if (data->interface == NULL) {
2593                 data->interface = interface_alloc(path);
2594                 if (data->interface == NULL) {
2595                         err = -ENOMEM;
2596                         goto done;
2597                 }
2598         }
2599
2600         err = supplicant_dbus_property_get_all(path,
2601                                         SUPPLICANT_INTERFACE ".Interface",
2602                                         interface_create_property, data);
2603         if (err == 0)
2604                 return;
2605
2606 done:
2607         if (data->callback != NULL)
2608                 data->callback(err, NULL, data->user_data);
2609
2610         dbus_free(data);
2611 }
2612
2613 static void interface_create_params(DBusMessageIter *iter, void *user_data)
2614 {
2615         struct interface_create_data *data = user_data;
2616         DBusMessageIter dict;
2617
2618         SUPPLICANT_DBG("");
2619
2620         supplicant_dbus_dict_open(iter, &dict);
2621
2622         supplicant_dbus_dict_append_basic(&dict, "Ifname",
2623                                         DBUS_TYPE_STRING, &data->ifname);
2624
2625         if (data->driver != NULL)
2626                 supplicant_dbus_dict_append_basic(&dict, "Driver",
2627                                         DBUS_TYPE_STRING, &data->driver);
2628
2629         if (data->bridge != NULL)
2630                 supplicant_dbus_dict_append_basic(&dict, "BridgeIfname",
2631                                         DBUS_TYPE_STRING, &data->bridge);
2632
2633         supplicant_dbus_dict_close(iter, &dict);
2634 }
2635
2636 static void interface_get_result(const char *error,
2637                                 DBusMessageIter *iter, void *user_data)
2638 {
2639         struct interface_create_data *data = user_data;
2640         GSupplicantInterface *interface;
2641         const char *path = NULL;
2642         int err;
2643
2644         SUPPLICANT_DBG("");
2645
2646         if (error != NULL) {
2647                 SUPPLICANT_DBG("Interface not created yet");
2648                 goto create;
2649         }
2650
2651         dbus_message_iter_get_basic(iter, &path);
2652         if (path == NULL) {
2653                 err = -EINVAL;
2654                 goto done;
2655         }
2656
2657         interface = g_hash_table_lookup(interface_table, path);
2658         if (interface == NULL) {
2659                 err = -ENOENT;
2660                 goto done;
2661         }
2662
2663         if (data->callback != NULL)
2664                 data->callback(0, interface, data->user_data);
2665
2666         dbus_free(data);
2667
2668         return;
2669
2670 create:
2671         if (system_available == FALSE) {
2672                 err = -EFAULT;
2673                 goto done;
2674         }
2675
2676         SUPPLICANT_DBG("Creating interface");
2677
2678         err = supplicant_dbus_method_call(SUPPLICANT_PATH,
2679                                                 SUPPLICANT_INTERFACE,
2680                                                 "CreateInterface",
2681                                                 interface_create_params,
2682                                                 interface_create_result, data);
2683         if (err == 0)
2684                 return;
2685
2686 done:
2687         if (data->callback != NULL)
2688                 data->callback(err, NULL, data->user_data);
2689
2690         dbus_free(data);
2691 }
2692
2693 static void interface_get_params(DBusMessageIter *iter, void *user_data)
2694 {
2695         struct interface_create_data *data = user_data;
2696
2697         SUPPLICANT_DBG("");
2698
2699         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &data->ifname);
2700 }
2701
2702 int g_supplicant_interface_create(const char *ifname, const char *driver,
2703                                         const char *bridge,
2704                                         GSupplicantInterfaceCallback callback,
2705                                                         void *user_data)
2706 {
2707         struct interface_create_data *data;
2708
2709         SUPPLICANT_DBG("ifname %s", ifname);
2710
2711         if (ifname == NULL)
2712                 return -EINVAL;
2713
2714         if (system_available == FALSE)
2715                 return -EFAULT;
2716
2717         data = dbus_malloc0(sizeof(*data));
2718         if (data == NULL)
2719                 return -ENOMEM;
2720
2721         data->ifname = ifname;
2722         data->driver = driver;
2723         data->bridge = bridge;
2724         data->callback = callback;
2725         data->user_data = user_data;
2726
2727         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2728                                                 SUPPLICANT_INTERFACE,
2729                                                 "GetInterface",
2730                                                 interface_get_params,
2731                                                 interface_get_result, data);
2732 }
2733
2734 static void interface_remove_result(const char *error,
2735                                 DBusMessageIter *iter, void *user_data)
2736 {
2737         struct interface_data *data = user_data;
2738         int err;
2739
2740         if (error != NULL) {
2741                 err = -EIO;
2742                 goto done;
2743         }
2744
2745         if (system_available == FALSE) {
2746                 err = -EFAULT;
2747                 goto done;
2748         }
2749
2750         /*
2751          * The gsupplicant interface is already freed by the InterfaceRemoved
2752          * signal callback. Simply invoke the interface_data callback.
2753          */
2754         err = 0;
2755
2756 done:
2757         if (data->callback != NULL)
2758                 data->callback(err, NULL, data->user_data);
2759
2760         dbus_free(data);
2761 }
2762
2763
2764 static void interface_remove_params(DBusMessageIter *iter, void *user_data)
2765 {
2766         struct interface_data *data = user_data;
2767
2768         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
2769                                                         &data->interface->path);
2770 }
2771
2772
2773 int g_supplicant_interface_remove(GSupplicantInterface *interface,
2774                         GSupplicantInterfaceCallback callback,
2775                                                         void *user_data)
2776 {
2777         struct interface_data *data;
2778
2779         if (interface == NULL)
2780                 return -EINVAL;
2781
2782         if (system_available == FALSE)
2783                 return -EFAULT;
2784
2785         data = dbus_malloc0(sizeof(*data));
2786         if (data == NULL)
2787                 return -ENOMEM;
2788
2789         data->interface = interface;
2790         data->callback = callback;
2791         data->user_data = user_data;
2792
2793         return supplicant_dbus_method_call(SUPPLICANT_PATH,
2794                                                 SUPPLICANT_INTERFACE,
2795                                                 "RemoveInterface",
2796                                                 interface_remove_params,
2797                                                 interface_remove_result, data);
2798 }
2799
2800 static void interface_scan_result(const char *error,
2801                                 DBusMessageIter *iter, void *user_data)
2802 {
2803         struct interface_scan_data *data = user_data;
2804         int err = 0;
2805
2806         if (error != NULL) {
2807                 SUPPLICANT_DBG("error %s", error);
2808                 err = -EIO;
2809         }
2810
2811         /* A non ready interface cannot send/receive anything */
2812         if (data->interface->ready == FALSE)
2813                 err = -ENOLINK;
2814
2815         if (err != 0) {
2816                 if (data->callback != NULL)
2817                         data->callback(err, data->interface, data->user_data);
2818         } else {
2819                 data->interface->scan_callback = data->callback;
2820                 data->interface->scan_data = data->user_data;
2821         }
2822
2823         if (data != NULL && data->scan_params != NULL)
2824                 g_supplicant_free_scan_params(data->scan_params);
2825
2826         dbus_free(data);
2827 }
2828
2829 static void add_scan_frequency(DBusMessageIter *iter, unsigned int freq)
2830 {
2831         DBusMessageIter data;
2832         unsigned int width = 0; /* Not used by wpa_supplicant atm */
2833
2834         dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &data);
2835
2836         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &freq);
2837         dbus_message_iter_append_basic(&data, DBUS_TYPE_UINT32, &width);
2838
2839         dbus_message_iter_close_container(iter, &data);
2840 }
2841
2842 static void add_scan_frequencies(DBusMessageIter *iter,
2843                                                 void *user_data)
2844 {
2845         GSupplicantScanParams *scan_data = user_data;
2846         unsigned int freq;
2847         int i;
2848
2849         for (i = 0; i < scan_data->num_freqs; i++) {
2850                 freq = scan_data->freqs[i];
2851                 if (!freq)
2852                         break;
2853
2854                 add_scan_frequency(iter, freq);
2855         }
2856 }
2857
2858 static void append_ssid(DBusMessageIter *iter,
2859                         const void *ssid, unsigned int len)
2860 {
2861         DBusMessageIter array;
2862
2863         dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
2864         DBUS_TYPE_BYTE_AS_STRING, &array);
2865
2866         dbus_message_iter_append_fixed_array(&array, DBUS_TYPE_BYTE,
2867                                                                 &ssid, len);
2868         dbus_message_iter_close_container(iter, &array);
2869 }
2870
2871 static void append_ssids(DBusMessageIter *iter, void *user_data)
2872 {
2873         GSupplicantScanParams *scan_data = user_data;
2874         GSList *list;
2875
2876         for (list = scan_data->ssids; list; list = list->next) {
2877                 struct scan_ssid *scan_ssid = list->data;
2878
2879                 append_ssid(iter, scan_ssid->ssid, scan_ssid->ssid_len);
2880         }
2881 }
2882
2883 static void supplicant_add_scan_frequency(DBusMessageIter *dict,
2884                 supplicant_dbus_array_function function,
2885                                         void *user_data)
2886 {
2887         GSupplicantScanParams *scan_params = user_data;
2888         DBusMessageIter entry, value, array;
2889         const char *key = "Channels";
2890
2891         if (scan_params->freqs && scan_params->freqs[0] != 0) {
2892                 dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
2893                                                 NULL, &entry);
2894
2895                 dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
2896
2897                 dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
2898                                         DBUS_TYPE_ARRAY_AS_STRING
2899                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2900                                         DBUS_TYPE_UINT32_AS_STRING
2901                                         DBUS_TYPE_UINT32_AS_STRING
2902                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2903                                         &value);
2904
2905                 dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
2906                                         DBUS_STRUCT_BEGIN_CHAR_AS_STRING
2907                                         DBUS_TYPE_UINT32_AS_STRING
2908                                         DBUS_TYPE_UINT32_AS_STRING
2909                                         DBUS_STRUCT_END_CHAR_AS_STRING,
2910                                         &array);
2911
2912                 if (function)
2913                         function(&array, user_data);
2914
2915                 dbus_message_iter_close_container(&value, &array);
2916                 dbus_message_iter_close_container(&entry, &value);
2917                 dbus_message_iter_close_container(dict, &entry);
2918         }
2919 }
2920
2921 static void interface_scan_params(DBusMessageIter *iter, void *user_data)
2922 {
2923         DBusMessageIter dict;
2924         const char *type = "passive";
2925         struct interface_scan_data *data = user_data;
2926
2927         supplicant_dbus_dict_open(iter, &dict);
2928
2929         if (data && data->scan_params) {
2930                 type = "active";
2931
2932                 supplicant_dbus_dict_append_basic(&dict, "Type",
2933                                         DBUS_TYPE_STRING, &type);
2934
2935                 supplicant_dbus_dict_append_array(&dict, "SSIDs",
2936                                                 DBUS_TYPE_STRING,
2937                                                 append_ssids,
2938                                                 data->scan_params);
2939
2940                 supplicant_add_scan_frequency(&dict, add_scan_frequencies,
2941                                                 data->scan_params);
2942         } else
2943                 supplicant_dbus_dict_append_basic(&dict, "Type",
2944                                         DBUS_TYPE_STRING, &type);
2945
2946         supplicant_dbus_dict_close(iter, &dict);
2947 }
2948
2949 int g_supplicant_interface_scan(GSupplicantInterface *interface,
2950                                 GSupplicantScanParams *scan_data,
2951                                 GSupplicantInterfaceCallback callback,
2952                                                         void *user_data)
2953 {
2954         struct interface_scan_data *data;
2955         int ret;
2956
2957         if (interface == NULL)
2958                 return -EINVAL;
2959
2960         if (system_available == FALSE)
2961                 return -EFAULT;
2962
2963         if (interface->scanning == TRUE)
2964                 return -EALREADY;
2965
2966         switch (interface->state) {
2967         case G_SUPPLICANT_STATE_AUTHENTICATING:
2968         case G_SUPPLICANT_STATE_ASSOCIATING:
2969         case G_SUPPLICANT_STATE_ASSOCIATED:
2970         case G_SUPPLICANT_STATE_4WAY_HANDSHAKE:
2971         case G_SUPPLICANT_STATE_GROUP_HANDSHAKE:
2972                 return -EBUSY;
2973         case G_SUPPLICANT_STATE_UNKNOWN:
2974         case G_SUPPLICANT_STATE_DISABLED:
2975         case G_SUPPLICANT_STATE_DISCONNECTED:
2976         case G_SUPPLICANT_STATE_INACTIVE:
2977         case G_SUPPLICANT_STATE_SCANNING:
2978         case G_SUPPLICANT_STATE_COMPLETED:
2979                 break;
2980         }
2981
2982         data = dbus_malloc0(sizeof(*data));
2983         if (data == NULL)
2984                 return -ENOMEM;
2985
2986         data->interface = interface;
2987         data->callback = callback;
2988         data->user_data = user_data;
2989         data->scan_params = scan_data;
2990
2991         interface->scan_callback = callback;
2992         interface->scan_data = user_data;
2993
2994         ret = supplicant_dbus_method_call(interface->path,
2995                         SUPPLICANT_INTERFACE ".Interface", "Scan",
2996                         interface_scan_params, interface_scan_result, data);
2997
2998         if (ret < 0)
2999                 dbus_free(data);
3000
3001         return ret;
3002 }
3003
3004 static void interface_autoscan_result(const char *error,
3005                                 DBusMessageIter *iter, void *user_data)
3006 {
3007         struct interface_autoscan_data *data = user_data;
3008         int err = 0;
3009
3010         if (error != NULL) {
3011                 SUPPLICANT_DBG("error %s", error);
3012                 err = -EIO;
3013         }
3014
3015         if (data != NULL && data->callback != NULL)
3016                 data->callback(err, data->interface, data->user_data);
3017
3018         dbus_free(data);
3019 }
3020
3021 static void interface_autoscan_params(DBusMessageIter *iter, void *user_data)
3022 {
3023         struct interface_autoscan_data *data = user_data;
3024
3025         dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
3026                                                  &data->autoscan_params);
3027 }
3028
3029 int g_supplicant_interface_autoscan(GSupplicantInterface *interface,
3030                                         const char *autoscan_data,
3031                                         GSupplicantInterfaceCallback callback,
3032                                                         void *user_data)
3033 {
3034         struct interface_autoscan_data *data;
3035         int ret;
3036
3037         data = dbus_malloc0(sizeof(*data));
3038         if (data == NULL)
3039                 return -ENOMEM;
3040
3041         data->interface = interface;
3042         data->callback = callback;
3043         data->autoscan_params = autoscan_data;
3044         data->user_data = user_data;
3045
3046         ret = supplicant_dbus_method_call(interface->path,
3047                         SUPPLICANT_INTERFACE ".Interface", "AutoScan",
3048                         interface_autoscan_params,
3049                         interface_autoscan_result, data);
3050         if (ret < 0)
3051                 dbus_free(data);
3052
3053         return ret;
3054 }
3055
3056 static int parse_supplicant_error(DBusMessageIter *iter)
3057 {
3058         int err = -ECANCELED;
3059         char *key;
3060
3061         /* If the given passphrase is malformed wpa_s returns
3062          * "invalid message format" but this error should be interpreted as
3063          * invalid-key.
3064          */
3065         while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
3066                 dbus_message_iter_get_basic(iter, &key);
3067                 if (strncmp(key, "psk", 3) == 0 ||
3068                                 strncmp(key, "wep_key", 7) == 0 ||
3069                                 strcmp(key, "invalid message format") == 0) {
3070                         err = -ENOKEY;
3071                         break;
3072                 }
3073                 dbus_message_iter_next(iter);
3074         }
3075
3076         return err;
3077 }
3078
3079 static void interface_select_network_result(const char *error,
3080                                 DBusMessageIter *iter, void *user_data)
3081 {
3082         struct interface_connect_data *data = user_data;
3083         int err;
3084
3085         SUPPLICANT_DBG("");
3086
3087         err = 0;
3088         if (error != NULL) {
3089                 SUPPLICANT_DBG("SelectNetwork error %s", error);
3090                 err = parse_supplicant_error(iter);
3091         }
3092
3093         if (data->callback != NULL)
3094                 data->callback(err, data->interface, data->user_data);
3095
3096         g_free(data->ssid);
3097         dbus_free(data);
3098 }
3099
3100 static void interface_select_network_params(DBusMessageIter *iter,
3101                                                         void *user_data)
3102 {
3103         struct interface_connect_data *data = user_data;
3104         GSupplicantInterface *interface = data->interface;
3105
3106         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
3107                                         &interface->network_path);
3108 }
3109
3110 static void interface_add_network_result(const char *error,
3111                                 DBusMessageIter *iter, void *user_data)
3112 {
3113         struct interface_connect_data *data = user_data;
3114         GSupplicantInterface *interface = data->interface;
3115         const char *path;
3116         int err;
3117
3118         if (error != NULL)
3119                 goto error;
3120
3121         dbus_message_iter_get_basic(iter, &path);
3122         if (path == NULL)
3123                 goto error;
3124
3125         SUPPLICANT_DBG("PATH: %s", path);
3126
3127         g_free(interface->network_path);
3128         interface->network_path = g_strdup(path);
3129
3130         supplicant_dbus_method_call(data->interface->path,
3131                         SUPPLICANT_INTERFACE ".Interface", "SelectNetwork",
3132                         interface_select_network_params,
3133                         interface_select_network_result, data);
3134
3135         return;
3136
3137 error:
3138         SUPPLICANT_DBG("AddNetwork error %s", error);
3139         err = parse_supplicant_error(iter);
3140         if (data->callback != NULL)
3141                 data->callback(err, data->interface, data->user_data);
3142
3143         g_free(interface->network_path);
3144         interface->network_path = NULL;
3145         g_free(data->ssid);
3146         g_free(data);
3147 }
3148
3149 static void add_network_security_wep(DBusMessageIter *dict,
3150                                         GSupplicantSSID *ssid)
3151 {
3152         const char *auth_alg = "OPEN SHARED";
3153         const char *key_index = "0";
3154
3155         supplicant_dbus_dict_append_basic(dict, "auth_alg",
3156                                         DBUS_TYPE_STRING, &auth_alg);
3157
3158         if (ssid->passphrase) {
3159                 int size = strlen(ssid->passphrase);
3160                 if (size == 10 || size == 26) {
3161                         unsigned char *key = g_try_malloc(13);
3162                         char tmp[3];
3163                         int i;
3164
3165                         memset(tmp, 0, sizeof(tmp));
3166                         if (key == NULL)
3167                                 size = 0;
3168
3169                         for (i = 0; i < size / 2; i++) {
3170                                 memcpy(tmp, ssid->passphrase + (i * 2), 2);
3171                                 key[i] = (unsigned char) strtol(tmp, NULL, 16);
3172                         }
3173
3174                         supplicant_dbus_dict_append_fixed_array(dict,
3175                                                         "wep_key0",
3176                                                         DBUS_TYPE_BYTE,
3177                                                         &key, size / 2);
3178                         g_free(key);
3179                 } else if (size == 5 || size == 13) {
3180                         unsigned char *key = g_try_malloc(13);
3181                         int i;
3182
3183                         if (key == NULL)
3184                                 size = 0;
3185
3186                         for (i = 0; i < size; i++)
3187                                 key[i] = (unsigned char) ssid->passphrase[i];
3188
3189                         supplicant_dbus_dict_append_fixed_array(dict,
3190                                                                 "wep_key0",
3191                                                                 DBUS_TYPE_BYTE,
3192                                                                 &key, size);
3193                         g_free(key);
3194                 } else
3195                         supplicant_dbus_dict_append_basic(dict,
3196                                                         "wep_key0",
3197                                                         DBUS_TYPE_STRING,
3198                                                         &ssid->passphrase);
3199
3200                 supplicant_dbus_dict_append_basic(dict, "wep_tx_keyidx",
3201                                         DBUS_TYPE_STRING, &key_index);
3202         }
3203 }
3204
3205 static dbus_bool_t is_psk_raw_key(const char *psk)
3206 {
3207         int i;
3208
3209         /* A raw key is always 64 bytes length... */
3210         if (strlen(psk) != 64)
3211                 return FALSE;
3212
3213         /* ... and its content is in hex representation */
3214         for (i = 0; i < 64; i++)
3215                 if (!isxdigit((unsigned char) psk[i]))
3216                         return FALSE;
3217
3218         return TRUE;
3219 }
3220
3221 static unsigned char hexchar2bin(char c)
3222 {
3223         if ((c >= '0') && (c <= '9'))
3224                 return c - '0';
3225         else if ((c >= 'A') && (c <= 'F'))
3226                 return c - 'A' + 10;
3227         else if ((c >= 'a') && (c <= 'f'))
3228                 return c - 'a' + 10;
3229         else
3230                 return c;
3231 }
3232
3233 static void hexstring2bin(const char *string, unsigned char *data, size_t data_len)
3234 {
3235         size_t i;
3236
3237         for (i = 0; i < data_len; i++)
3238                 data[i] = (hexchar2bin(string[i * 2 + 0]) << 4 |
3239                            hexchar2bin(string[i * 2 + 1]) << 0);
3240 }
3241
3242 static void add_network_security_psk(DBusMessageIter *dict,
3243                                         GSupplicantSSID *ssid)
3244 {
3245         if (ssid->passphrase && strlen(ssid->passphrase) > 0) {
3246                 const char *key = "psk";
3247
3248                 if (is_psk_raw_key(ssid->passphrase) == TRUE) {
3249                         unsigned char data[32];
3250                         unsigned char *datap = data;
3251
3252                         /* The above pointer alias is required by D-Bus because
3253                          * with D-Bus and GCC, non-heap-allocated arrays cannot
3254                          * be passed directly by their base pointer. */
3255
3256                         hexstring2bin(ssid->passphrase, datap, sizeof(data));
3257
3258                         supplicant_dbus_dict_append_fixed_array(dict,
3259                                                         key, DBUS_TYPE_BYTE,
3260                                                         &datap, sizeof(data));
3261                 } else
3262                         supplicant_dbus_dict_append_basic(dict,
3263                                                         key, DBUS_TYPE_STRING,
3264                                                         &ssid->passphrase);
3265         }
3266 }
3267
3268 static void add_network_security_tls(DBusMessageIter *dict,
3269                                         GSupplicantSSID *ssid)
3270 {
3271         /*
3272          * For TLS, we at least need:
3273          *              The client certificate
3274          *              The client private key file
3275          *              The client private key file password
3276          *
3277          * The Authority certificate is optional.
3278          */
3279         if (ssid->client_cert_path == NULL)
3280                 return;
3281
3282         if (ssid->private_key_path == NULL)
3283                 return;
3284
3285         if (ssid->private_key_passphrase == NULL)
3286                 return;
3287
3288         if (ssid->ca_cert_path)
3289                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
3290                                         DBUS_TYPE_STRING, &ssid->ca_cert_path);
3291
3292         supplicant_dbus_dict_append_basic(dict, "private_key",
3293                                                 DBUS_TYPE_STRING,
3294                                                 &ssid->private_key_path);
3295         supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
3296                                                 DBUS_TYPE_STRING,
3297                                                 &ssid->private_key_passphrase);
3298         supplicant_dbus_dict_append_basic(dict, "client_cert",
3299                                                 DBUS_TYPE_STRING,
3300                                                 &ssid->client_cert_path);
3301 }
3302
3303 static void add_network_security_peap(DBusMessageIter *dict,
3304                                         GSupplicantSSID *ssid)
3305 {
3306         char *phase2_auth;
3307
3308         /*
3309          * For PEAP/TTLS, we at least need
3310          *              The authority certificate
3311          *              The 2nd phase authentication method
3312          *              The 2nd phase passphrase
3313          *
3314          * The Client certificate is optional although strongly recommended
3315          * When setting it, we need in addition
3316          *              The Client private key file
3317          *              The Client private key file password
3318          */
3319         if (ssid->passphrase == NULL)
3320                 return;
3321
3322         if (ssid->phase2_auth == NULL)
3323                 return;
3324
3325         if (ssid->client_cert_path) {
3326                 if (ssid->private_key_path == NULL)
3327                         return;
3328
3329                 if (ssid->private_key_passphrase == NULL)
3330                         return;
3331
3332                 supplicant_dbus_dict_append_basic(dict, "client_cert",
3333                                                 DBUS_TYPE_STRING,
3334                                                 &ssid->client_cert_path);
3335
3336                 supplicant_dbus_dict_append_basic(dict, "private_key",
3337                                                 DBUS_TYPE_STRING,
3338                                                 &ssid->private_key_path);
3339
3340                 supplicant_dbus_dict_append_basic(dict, "private_key_passwd",
3341                                                 DBUS_TYPE_STRING,
3342                                                 &ssid->private_key_passphrase);
3343
3344         }
3345
3346         if (g_str_has_prefix(ssid->phase2_auth, "EAP-") == TRUE) {
3347                 phase2_auth = g_strdup_printf("autheap=%s",
3348                                         ssid->phase2_auth + strlen("EAP-"));
3349         } else
3350                 phase2_auth = g_strdup_printf("auth=%s", ssid->phase2_auth);
3351
3352         supplicant_dbus_dict_append_basic(dict, "password",
3353                                                 DBUS_TYPE_STRING,
3354                                                 &ssid->passphrase);
3355
3356         if (ssid->ca_cert_path)
3357                 supplicant_dbus_dict_append_basic(dict, "ca_cert",
3358                                                 DBUS_TYPE_STRING,
3359                                                 &ssid->ca_cert_path);
3360
3361         supplicant_dbus_dict_append_basic(dict, "phase2",
3362                                                 DBUS_TYPE_STRING,
3363                                                 &phase2_auth);
3364
3365         g_free(phase2_auth);
3366 }
3367
3368 static void add_network_security_eap(DBusMessageIter *dict,
3369                                         GSupplicantSSID *ssid)
3370 {
3371         char *eap_value;
3372
3373 #if defined TIZEN_EXT
3374         if (ssid->eap == NULL)
3375 #else
3376         if (ssid->eap == NULL || ssid->identity == NULL)
3377 #endif
3378                 return;
3379
3380         if (g_strcmp0(ssid->eap, "tls") == 0) {
3381                 add_network_security_tls(dict, ssid);
3382         } else if (g_strcmp0(ssid->eap, "peap") == 0 ||
3383                                 g_strcmp0(ssid->eap, "ttls") == 0) {
3384 #if defined TIZEN_EXT
3385                 if (ssid->identity == NULL)
3386                         return;
3387 #endif
3388                 add_network_security_peap(dict, ssid);
3389 #if defined TIZEN_EXT
3390         } else if (g_strcmp0(ssid->eap, "sim") == 0 ||
3391                         g_strcmp0(ssid->eap, "aka") == 0) {
3392 #endif
3393         } else
3394                 return;
3395
3396         eap_value = g_ascii_strup(ssid->eap, -1);
3397
3398         supplicant_dbus_dict_append_basic(dict, "eap",
3399                                                 DBUS_TYPE_STRING,
3400                                                 &eap_value);
3401 #if defined TIZEN_EXT
3402         if (ssid->identity != NULL)
3403                 supplicant_dbus_dict_append_basic(dict, "identity",
3404                                                         DBUS_TYPE_STRING,
3405                                                         &ssid->identity);
3406 #else
3407         supplicant_dbus_dict_append_basic(dict, "identity",
3408                                                 DBUS_TYPE_STRING,
3409                                                 &ssid->identity);
3410 #endif
3411
3412         g_free(eap_value);
3413 }
3414
3415 static void add_network_security_ciphers(DBusMessageIter *dict,
3416                                                 GSupplicantSSID *ssid)
3417 {
3418         unsigned int p_cipher, g_cipher, i;
3419         char *pairwise, *group;
3420         char *pair_ciphers[4];
3421         char *group_ciphers[5];
3422
3423         p_cipher = ssid->pairwise_cipher;
3424         g_cipher = ssid->group_cipher;
3425
3426         if (p_cipher == 0 && g_cipher == 0)
3427                 return;
3428
3429         i = 0;
3430
3431         if (p_cipher & G_SUPPLICANT_PAIRWISE_CCMP)
3432                 pair_ciphers[i++] = "CCMP";
3433
3434         if (p_cipher & G_SUPPLICANT_PAIRWISE_TKIP)
3435                 pair_ciphers[i++] = "TKIP";
3436
3437         if (p_cipher & G_SUPPLICANT_PAIRWISE_NONE)
3438                 pair_ciphers[i++] = "NONE";
3439
3440         pair_ciphers[i] = NULL;
3441
3442         i = 0;
3443
3444         if (g_cipher & G_SUPPLICANT_GROUP_CCMP)
3445                 group_ciphers[i++] = "CCMP";
3446
3447         if (g_cipher & G_SUPPLICANT_GROUP_TKIP)
3448                 group_ciphers[i++] = "TKIP";
3449
3450         if (g_cipher & G_SUPPLICANT_GROUP_WEP104)
3451                 group_ciphers[i++] = "WEP104";
3452
3453         if (g_cipher & G_SUPPLICANT_GROUP_WEP40)
3454                 group_ciphers[i++] = "WEP40";
3455
3456         group_ciphers[i] = NULL;
3457
3458         pairwise = g_strjoinv(" ", pair_ciphers);
3459         group = g_strjoinv(" ", group_ciphers);
3460
3461         SUPPLICANT_DBG("cipher %s %s", pairwise, group);
3462
3463         supplicant_dbus_dict_append_basic(dict, "pairwise",
3464                                                 DBUS_TYPE_STRING,
3465                                                 &pairwise);
3466         supplicant_dbus_dict_append_basic(dict, "group",
3467                                                 DBUS_TYPE_STRING,
3468                                                 &group);
3469
3470         g_free(pairwise);
3471         g_free(group);
3472 }
3473
3474 static void add_network_security_proto(DBusMessageIter *dict,
3475                                                 GSupplicantSSID *ssid)
3476 {
3477         unsigned int protocol, i;
3478         char *proto;
3479         char *protos[3];
3480
3481         protocol = ssid->protocol;
3482
3483         if (protocol == 0)
3484                 return;
3485
3486         i = 0;
3487
3488         if (protocol & G_SUPPLICANT_PROTO_RSN)
3489                 protos[i++] = "RSN";
3490
3491         if (protocol & G_SUPPLICANT_PROTO_WPA)
3492                 protos[i++] = "WPA";
3493
3494         protos[i] = NULL;
3495
3496         proto = g_strjoinv(" ", protos);
3497
3498         SUPPLICANT_DBG("proto %s", proto);
3499
3500         supplicant_dbus_dict_append_basic(dict, "proto",
3501                                                 DBUS_TYPE_STRING,
3502                                                 &proto);
3503
3504         g_free(proto);
3505 }
3506
3507 #if defined TIZEN_EXT
3508 static void add_network_security_none(DBusMessageIter *dict,
3509                                         GSupplicantSSID *ssid)
3510 {
3511         const char *auth_alg = "OPEN";
3512
3513         supplicant_dbus_dict_append_basic(dict, "auth_alg",
3514                                         DBUS_TYPE_STRING, &auth_alg);
3515 }
3516 #endif
3517
3518 static void add_network_security(DBusMessageIter *dict, GSupplicantSSID *ssid)
3519 {
3520         char *key_mgmt;
3521
3522         switch (ssid->security) {
3523         case G_SUPPLICANT_SECURITY_UNKNOWN:
3524         case G_SUPPLICANT_SECURITY_NONE:
3525 #if defined TIZEN_EXT
3526                 key_mgmt = "NONE";
3527                 add_network_security_none(dict, ssid);
3528                 add_network_security_ciphers(dict, ssid);
3529                 break;
3530 #endif
3531         case G_SUPPLICANT_SECURITY_WEP:
3532                 key_mgmt = "NONE";
3533                 add_network_security_wep(dict, ssid);
3534                 add_network_security_ciphers(dict, ssid);
3535                 break;
3536         case G_SUPPLICANT_SECURITY_PSK:
3537                 key_mgmt = "WPA-PSK";
3538                 add_network_security_psk(dict, ssid);
3539                 add_network_security_ciphers(dict, ssid);
3540                 add_network_security_proto(dict, ssid);
3541                 break;
3542         case G_SUPPLICANT_SECURITY_IEEE8021X:
3543                 key_mgmt = "WPA-EAP";
3544                 add_network_security_eap(dict, ssid);
3545                 add_network_security_ciphers(dict, ssid);
3546                 add_network_security_proto(dict, ssid);
3547                 break;
3548         }
3549
3550         supplicant_dbus_dict_append_basic(dict, "key_mgmt",
3551                                 DBUS_TYPE_STRING, &key_mgmt);
3552 }
3553
3554 static void add_network_mode(DBusMessageIter *dict, GSupplicantSSID *ssid)
3555 {
3556         dbus_uint32_t mode;
3557
3558         switch (ssid->mode) {
3559         case G_SUPPLICANT_MODE_UNKNOWN:
3560         case G_SUPPLICANT_MODE_INFRA:
3561                 mode = 0;
3562                 break;
3563         case G_SUPPLICANT_MODE_IBSS:
3564                 mode = 1;
3565                 break;
3566         case G_SUPPLICANT_MODE_MASTER:
3567                 mode = 2;
3568                 break;
3569         }
3570
3571         supplicant_dbus_dict_append_basic(dict, "mode",
3572                                 DBUS_TYPE_UINT32, &mode);
3573 }
3574
3575 static void interface_add_network_params(DBusMessageIter *iter, void *user_data)
3576 {
3577         DBusMessageIter dict;
3578         struct interface_connect_data *data = user_data;
3579         GSupplicantSSID *ssid = data->ssid;
3580
3581         supplicant_dbus_dict_open(iter, &dict);
3582
3583         if (ssid->scan_ssid)
3584                 supplicant_dbus_dict_append_basic(&dict, "scan_ssid",
3585                                          DBUS_TYPE_UINT32, &ssid->scan_ssid);
3586
3587         if (ssid->freq)
3588                 supplicant_dbus_dict_append_basic(&dict, "frequency",
3589                                          DBUS_TYPE_UINT32, &ssid->freq);
3590
3591         if (ssid->bgscan != NULL)
3592                 supplicant_dbus_dict_append_basic(&dict, "bgscan",
3593                                         DBUS_TYPE_STRING, &ssid->bgscan);
3594
3595         add_network_mode(&dict, ssid);
3596
3597         add_network_security(&dict, ssid);
3598
3599         supplicant_dbus_dict_append_fixed_array(&dict, "ssid",
3600                                         DBUS_TYPE_BYTE, &ssid->ssid,
3601                                                 ssid->ssid_len);
3602
3603         supplicant_dbus_dict_append_basic(&dict, "ignore_broadcast_ssid",
3604                                         DBUS_TYPE_INT32,
3605                                         &ssid->ignore_broadcast_ssid);
3606
3607         supplicant_dbus_dict_close(iter, &dict);
3608 }
3609
3610 static void interface_wps_start_result(const char *error,
3611                                 DBusMessageIter *iter, void *user_data)
3612 {
3613         struct interface_connect_data *data = user_data;
3614
3615         SUPPLICANT_DBG("");
3616         if (error != NULL)
3617                 SUPPLICANT_DBG("error: %s", error);
3618
3619         g_free(data->ssid);
3620         dbus_free(data);
3621 }
3622
3623 static void interface_add_wps_params(DBusMessageIter *iter, void *user_data)
3624 {
3625         struct interface_connect_data *data = user_data;
3626         GSupplicantSSID *ssid = data->ssid;
3627         const char *role = "enrollee", *type;
3628         DBusMessageIter dict;
3629
3630         SUPPLICANT_DBG("");
3631
3632         supplicant_dbus_dict_open(iter, &dict);
3633
3634         supplicant_dbus_dict_append_basic(&dict, "Role",
3635                                                 DBUS_TYPE_STRING, &role);
3636
3637         type = "pbc";
3638         if (ssid->pin_wps != NULL) {
3639                 type = "pin";
3640                 supplicant_dbus_dict_append_basic(&dict, "Pin",
3641                                         DBUS_TYPE_STRING, &ssid->pin_wps);
3642         }
3643
3644         supplicant_dbus_dict_append_basic(&dict, "Type",
3645                                         DBUS_TYPE_STRING, &type);
3646
3647         supplicant_dbus_dict_close(iter, &dict);
3648 }
3649
3650 static void wps_start(const char *error, DBusMessageIter *iter, void *user_data)
3651 {
3652         struct interface_connect_data *data = user_data;
3653
3654         SUPPLICANT_DBG("");
3655
3656         if (error != NULL) {
3657                 SUPPLICANT_DBG("error: %s", error);
3658                 g_free(data->ssid);
3659                 dbus_free(data);
3660                 return;
3661         }
3662
3663         supplicant_dbus_method_call(data->interface->path,
3664                         SUPPLICANT_INTERFACE ".Interface.WPS", "Start",
3665                         interface_add_wps_params,
3666                         interface_wps_start_result, data);
3667 }
3668
3669 static void wps_process_credentials(DBusMessageIter *iter, void *user_data)
3670 {
3671         dbus_bool_t credentials = TRUE;
3672
3673         SUPPLICANT_DBG("");
3674
3675         dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &credentials);
3676 }
3677
3678
3679 int g_supplicant_interface_connect(GSupplicantInterface *interface,
3680                                 GSupplicantSSID *ssid,
3681                                 GSupplicantInterfaceCallback callback,
3682                                                         void *user_data)
3683 {
3684         struct interface_connect_data *data;
3685         int ret;
3686
3687         if (interface == NULL)
3688                 return -EINVAL;
3689
3690         if (system_available == FALSE)
3691                 return -EFAULT;
3692
3693         /* TODO: Check if we're already connected and switch */
3694
3695         data = dbus_malloc0(sizeof(*data));
3696         if (data == NULL)
3697                 return -ENOMEM;
3698
3699         data->interface = interface;
3700         data->callback = callback;
3701         data->ssid = ssid;
3702         data->user_data = user_data;
3703
3704         if (ssid->use_wps == TRUE) {
3705                 g_free(interface->wps_cred.key);
3706                 memset(&interface->wps_cred, 0,
3707                                 sizeof(struct _GSupplicantWpsCredentials));
3708
3709                 ret = supplicant_dbus_property_set(interface->path,
3710                         SUPPLICANT_INTERFACE ".Interface.WPS",
3711                         "ProcessCredentials", DBUS_TYPE_BOOLEAN_AS_STRING,
3712                         wps_process_credentials, wps_start, data);
3713         } else
3714                 ret = supplicant_dbus_method_call(interface->path,
3715                         SUPPLICANT_INTERFACE ".Interface", "AddNetwork",
3716                         interface_add_network_params,
3717                         interface_add_network_result, data);
3718
3719         if (ret < 0)
3720                 return ret;
3721
3722         return -EINPROGRESS;
3723 }
3724
3725 static void network_remove_result(const char *error,
3726                                 DBusMessageIter *iter, void *user_data)
3727 {
3728         struct interface_data *data = user_data;
3729         int result = 0;
3730
3731         SUPPLICANT_DBG("");
3732
3733         if (error != NULL) {
3734                 result = -EIO;
3735                 if (g_strcmp0("org.freedesktop.DBus.Error.UnknownMethod",
3736                                                 error) == 0)
3737                         result = -ECONNABORTED;
3738         }
3739
3740         if (data->callback != NULL)
3741                 data->callback(result, data->interface, data->user_data);
3742
3743         dbus_free(data);
3744 }
3745
3746 static void network_remove_params(DBusMessageIter *iter, void *user_data)
3747 {
3748         struct interface_data *data = user_data;
3749         const char *path = data->interface->network_path;
3750
3751         SUPPLICANT_DBG("path %s", path);
3752
3753         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &path);
3754 }
3755
3756 static int network_remove(struct interface_data *data)
3757 {
3758         GSupplicantInterface *interface = data->interface;
3759
3760         SUPPLICANT_DBG("");
3761
3762         return supplicant_dbus_method_call(interface->path,
3763                         SUPPLICANT_INTERFACE ".Interface", "RemoveNetwork",
3764                         network_remove_params, network_remove_result, data);
3765 }
3766
3767 static void interface_disconnect_result(const char *error,
3768                                 DBusMessageIter *iter, void *user_data)
3769 {
3770         struct interface_data *data = user_data;
3771         int result = 0;
3772
3773         SUPPLICANT_DBG("");
3774
3775         if (error != NULL) {
3776                 result = -EIO;
3777                 if (g_strcmp0("org.freedesktop.DBus.Error.UnknownMethod",
3778                                                 error) == 0)
3779                         result = -ECONNABORTED;
3780         }
3781
3782         if (result < 0 && data->callback != NULL) {
3783                 data->callback(result, data->interface, data->user_data);
3784                 data->callback = NULL;
3785         }
3786
3787         /* If we are disconnecting from previous WPS successful
3788          * association. i.e.: it did not went through AddNetwork,
3789          * and interface->network_path was never set. */
3790         if (data->interface->network_path == NULL) {
3791                 dbus_free(data);
3792                 return;
3793         }
3794
3795         if (result != -ECONNABORTED)
3796                 network_remove(data);
3797         else
3798                 dbus_free(data);
3799 }
3800
3801 int g_supplicant_interface_disconnect(GSupplicantInterface *interface,
3802                                         GSupplicantInterfaceCallback callback,
3803                                                         void *user_data)
3804 {
3805         struct interface_data *data;
3806
3807         SUPPLICANT_DBG("");
3808
3809         if (interface == NULL)
3810                 return -EINVAL;
3811
3812         if (system_available == FALSE)
3813                 return -EFAULT;
3814
3815         data = dbus_malloc0(sizeof(*data));
3816         if (data == NULL)
3817                 return -ENOMEM;
3818
3819         data->interface = interface;
3820         data->callback = callback;
3821         data->user_data = user_data;
3822
3823         return supplicant_dbus_method_call(interface->path,
3824                         SUPPLICANT_INTERFACE ".Interface", "Disconnect",
3825                                 NULL, interface_disconnect_result, data);
3826 }
3827
3828
3829 static const char *g_supplicant_rule0 = "type=signal,"
3830                                         "path=" DBUS_PATH_DBUS ","
3831                                         "sender=" DBUS_SERVICE_DBUS ","
3832                                         "interface=" DBUS_INTERFACE_DBUS ","
3833                                         "member=NameOwnerChanged,"
3834                                         "arg0=" SUPPLICANT_SERVICE;
3835 static const char *g_supplicant_rule1 = "type=signal,"
3836                         "interface=" SUPPLICANT_INTERFACE;
3837 static const char *g_supplicant_rule2 = "type=signal,"
3838                         "interface=" SUPPLICANT_INTERFACE ".Interface";
3839 static const char *g_supplicant_rule3 = "type=signal,"
3840                         "interface=" SUPPLICANT_INTERFACE ".Interface.WPS";
3841 static const char *g_supplicant_rule4 = "type=signal,"
3842                         "interface=" SUPPLICANT_INTERFACE ".BSS";
3843 static const char *g_supplicant_rule5 = "type=signal,"
3844                         "interface=" SUPPLICANT_INTERFACE ".Network";
3845
3846 static void invoke_introspect_method(void)
3847 {
3848         DBusMessage *message;
3849
3850         message = dbus_message_new_method_call(SUPPLICANT_SERVICE,
3851                                         SUPPLICANT_PATH,
3852                                         DBUS_INTERFACE_INTROSPECTABLE,
3853                                         "Introspect");
3854
3855         if (message == NULL)
3856                 return;
3857
3858         dbus_message_set_no_reply(message, TRUE);
3859         dbus_connection_send(connection, message, NULL);
3860         dbus_message_unref(message);
3861 }
3862
3863 int g_supplicant_register(const GSupplicantCallbacks *callbacks)
3864 {
3865         connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
3866         if (connection == NULL)
3867                 return -EIO;
3868
3869         if (dbus_connection_add_filter(connection,
3870                                 g_supplicant_filter, NULL, NULL) == FALSE) {
3871                 dbus_connection_unref(connection);
3872                 connection = NULL;
3873                 return -EIO;
3874         }
3875
3876         callbacks_pointer = callbacks;
3877         eap_methods = 0;
3878
3879         interface_table = g_hash_table_new_full(g_str_hash, g_str_equal,
3880                                                 NULL, remove_interface);
3881
3882         bss_mapping = g_hash_table_new_full(g_str_hash, g_str_equal,
3883                                                                 NULL, NULL);
3884
3885         supplicant_dbus_setup(connection);
3886
3887         dbus_bus_add_match(connection, g_supplicant_rule0, NULL);
3888         dbus_bus_add_match(connection, g_supplicant_rule1, NULL);
3889         dbus_bus_add_match(connection, g_supplicant_rule2, NULL);
3890         dbus_bus_add_match(connection, g_supplicant_rule3, NULL);
3891         dbus_bus_add_match(connection, g_supplicant_rule4, NULL);
3892         dbus_bus_add_match(connection, g_supplicant_rule5, NULL);
3893         dbus_connection_flush(connection);
3894
3895         if (dbus_bus_name_has_owner(connection,
3896                                         SUPPLICANT_SERVICE, NULL) == TRUE) {
3897                 system_available = TRUE;
3898                 supplicant_dbus_property_get_all(SUPPLICANT_PATH,
3899                                                 SUPPLICANT_INTERFACE,
3900                                                 service_property, NULL);
3901         } else
3902                 invoke_introspect_method();
3903
3904         return 0;
3905 }
3906
3907 static void unregister_interface_remove_params(DBusMessageIter *iter,
3908                                                 void *user_data)
3909 {
3910         const char *path = user_data;
3911
3912         dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH,
3913                                                         &path);
3914 }
3915
3916
3917 static void unregister_remove_interface(gpointer key, gpointer value,
3918                                                 gpointer user_data)
3919 {
3920         GSupplicantInterface *interface = value;
3921
3922         supplicant_dbus_method_call(SUPPLICANT_PATH,
3923                                         SUPPLICANT_INTERFACE,
3924                                         "RemoveInterface",
3925                                         unregister_interface_remove_params,
3926                                                 NULL, interface->path);
3927 }
3928
3929 void g_supplicant_unregister(const GSupplicantCallbacks *callbacks)
3930 {
3931         SUPPLICANT_DBG("");
3932
3933         if (connection != NULL) {
3934                 dbus_bus_remove_match(connection, g_supplicant_rule5, NULL);
3935                 dbus_bus_remove_match(connection, g_supplicant_rule4, NULL);
3936                 dbus_bus_remove_match(connection, g_supplicant_rule3, NULL);
3937                 dbus_bus_remove_match(connection, g_supplicant_rule2, NULL);
3938                 dbus_bus_remove_match(connection, g_supplicant_rule1, NULL);
3939                 dbus_bus_remove_match(connection, g_supplicant_rule0, NULL);
3940                 dbus_connection_flush(connection);
3941
3942                 dbus_connection_remove_filter(connection,
3943                                                 g_supplicant_filter, NULL);
3944         }
3945
3946         if (bss_mapping != NULL) {
3947                 g_hash_table_destroy(bss_mapping);
3948                 bss_mapping = NULL;
3949         }
3950
3951         if (system_available == TRUE)
3952                 callback_system_killed();
3953
3954         if (interface_table != NULL) {
3955                 g_hash_table_foreach(interface_table,
3956                                         unregister_remove_interface, NULL);
3957                 g_hash_table_destroy(interface_table);
3958                 interface_table = NULL;
3959         }
3960
3961         if (connection != NULL) {
3962                 dbus_connection_unref(connection);
3963                 connection = NULL;
3964         }
3965
3966         callbacks_pointer = NULL;
3967         eap_methods = 0;
3968 }