gsupplicant/supplicant.c

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