src/drivers/driver_ndis.c

   1 /*
   2  * WPA Supplicant - Windows/NDIS driver interface
   3  * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifdef __CYGWIN__
  16 /* Avoid some header file conflicts by not including standard headers for
  17  * cygwin builds when Packet32.h is included. */
  18 #include "build_config.h"
  19 int close(int fd);
  20 #else /* __CYGWIN__ */
  21 #include "includes.h"
  22 #endif /* __CYGWIN__ */
  23 #ifdef CONFIG_USE_NDISUIO
  24 #include <winsock2.h>
  25 #else /* CONFIG_USE_NDISUIO */
  26 #include <Packet32.h>
  27 #endif /* CONFIG_USE_NDISUIO */
  28 #ifdef __MINGW32_VERSION
  29 #include <ddk/ntddndis.h>
  30 #else /* __MINGW32_VERSION */
  31 #include <ntddndis.h>
  32 #endif /* __MINGW32_VERSION */
  33
  34 #ifdef _WIN32_WCE
  35 #include <winioctl.h>
  36 #include <nuiouser.h>
  37 #include <devload.h>
  38 #endif /* _WIN32_WCE */
  39
  40 #include "common.h"
  41 #include "driver.h"
  42 #include "eloop.h"
  43 #include "common/ieee802_11_defs.h"
  44 #include "driver_ndis.h"
  45
  46 int wpa_driver_register_event_cb(struct wpa_driver_ndis_data *drv);
  47 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
  48 void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data);
  49 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
  50
  51 static void wpa_driver_ndis_deinit(void *priv);
  52 static void wpa_driver_ndis_poll(void *drv);
  53 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx);
  54 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv);
  55 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv);
  56 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv);
  57
  58
  59 static const u8 pae_group_addr[ETH_ALEN] =
  60 { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
  61
  62
  63 /* FIX: to be removed once this can be compiled with the complete NDIS
  64  * header files */
  65 #ifndef OID_802_11_BSSID
  66 #define OID_802_11_BSSID                        0x0d010101
  67 #define OID_802_11_SSID                         0x0d010102
  68 #define OID_802_11_INFRASTRUCTURE_MODE          0x0d010108
  69 #define OID_802_11_ADD_WEP                      0x0D010113
  70 #define OID_802_11_REMOVE_WEP                   0x0D010114
  71 #define OID_802_11_DISASSOCIATE                 0x0D010115
  72 #define OID_802_11_BSSID_LIST                   0x0d010217
  73 #define OID_802_11_AUTHENTICATION_MODE          0x0d010118
  74 #define OID_802_11_PRIVACY_FILTER               0x0d010119
  75 #define OID_802_11_BSSID_LIST_SCAN              0x0d01011A
  76 #define OID_802_11_WEP_STATUS                   0x0d01011B
  77 #define OID_802_11_ENCRYPTION_STATUS OID_802_11_WEP_STATUS
  78 #define OID_802_11_ADD_KEY                      0x0d01011D
  79 #define OID_802_11_REMOVE_KEY                   0x0d01011E
  80 #define OID_802_11_ASSOCIATION_INFORMATION      0x0d01011F
  81 #define OID_802_11_TEST                         0x0d010120
  82 #define OID_802_11_CAPABILITY                   0x0d010122
  83 #define OID_802_11_PMKID                        0x0d010123
  84
  85 #define NDIS_802_11_LENGTH_SSID 32
  86 #define NDIS_802_11_LENGTH_RATES 8
  87 #define NDIS_802_11_LENGTH_RATES_EX 16
  88
  89 typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
  90
  91 typedef struct NDIS_802_11_SSID {
  92         ULONG SsidLength;
  93         UCHAR Ssid[NDIS_802_11_LENGTH_SSID];
  94 } NDIS_802_11_SSID;
  95
  96 typedef LONG NDIS_802_11_RSSI;
  97
  98 typedef enum NDIS_802_11_NETWORK_TYPE {
  99         Ndis802_11FH,
 100         Ndis802_11DS,
 101         Ndis802_11OFDM5,
 102         Ndis802_11OFDM24,
 103         Ndis802_11NetworkTypeMax
 104 } NDIS_802_11_NETWORK_TYPE;
 105
 106 typedef struct NDIS_802_11_CONFIGURATION_FH {
 107         ULONG Length;
 108         ULONG HopPattern;
 109         ULONG HopSet;
 110         ULONG DwellTime;
 111 } NDIS_802_11_CONFIGURATION_FH;
 112
 113 typedef struct NDIS_802_11_CONFIGURATION {
 114         ULONG Length;
 115         ULONG BeaconPeriod;
 116         ULONG ATIMWindow;
 117         ULONG DSConfig;
 118         NDIS_802_11_CONFIGURATION_FH FHConfig;
 119 } NDIS_802_11_CONFIGURATION;
 120
 121 typedef enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
 122         Ndis802_11IBSS,
 123         Ndis802_11Infrastructure,
 124         Ndis802_11AutoUnknown,
 125         Ndis802_11InfrastructureMax
 126 } NDIS_802_11_NETWORK_INFRASTRUCTURE;
 127
 128 typedef enum NDIS_802_11_AUTHENTICATION_MODE {
 129         Ndis802_11AuthModeOpen,
 130         Ndis802_11AuthModeShared,
 131         Ndis802_11AuthModeAutoSwitch,
 132         Ndis802_11AuthModeWPA,
 133         Ndis802_11AuthModeWPAPSK,
 134         Ndis802_11AuthModeWPANone,
 135         Ndis802_11AuthModeWPA2,
 136         Ndis802_11AuthModeWPA2PSK,
 137         Ndis802_11AuthModeMax
 138 } NDIS_802_11_AUTHENTICATION_MODE;
 139
 140 typedef enum NDIS_802_11_WEP_STATUS {
 141         Ndis802_11WEPEnabled,
 142         Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
 143         Ndis802_11WEPDisabled,
 144         Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
 145         Ndis802_11WEPKeyAbsent,
 146         Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
 147         Ndis802_11WEPNotSupported,
 148         Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
 149         Ndis802_11Encryption2Enabled,
 150         Ndis802_11Encryption2KeyAbsent,
 151         Ndis802_11Encryption3Enabled,
 152         Ndis802_11Encryption3KeyAbsent
 153 } NDIS_802_11_WEP_STATUS, NDIS_802_11_ENCRYPTION_STATUS;
 154
 155 typedef enum NDIS_802_11_PRIVACY_FILTER {
 156         Ndis802_11PrivFilterAcceptAll,
 157         Ndis802_11PrivFilter8021xWEP
 158 } NDIS_802_11_PRIVACY_FILTER;
 159
 160 typedef UCHAR NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];
 161 typedef UCHAR NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];
 162
 163 typedef struct NDIS_WLAN_BSSID_EX {
 164         ULONG Length;
 165         NDIS_802_11_MAC_ADDRESS MacAddress; /* BSSID */
 166         UCHAR Reserved[2];
 167         NDIS_802_11_SSID Ssid;
 168         ULONG Privacy;
 169         NDIS_802_11_RSSI Rssi;
 170         NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
 171         NDIS_802_11_CONFIGURATION Configuration;
 172         NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
 173         NDIS_802_11_RATES_EX SupportedRates;
 174         ULONG IELength;
 175         UCHAR IEs[1];
 176 } NDIS_WLAN_BSSID_EX;
 177
 178 typedef struct NDIS_802_11_BSSID_LIST_EX {
 179         ULONG NumberOfItems;
 180         NDIS_WLAN_BSSID_EX Bssid[1];
 181 } NDIS_802_11_BSSID_LIST_EX;
 182
 183 typedef struct NDIS_802_11_FIXED_IEs {
 184         UCHAR Timestamp[8];
 185         USHORT BeaconInterval;
 186         USHORT Capabilities;
 187 } NDIS_802_11_FIXED_IEs;
 188
 189 typedef struct NDIS_802_11_WEP {
 190         ULONG Length;
 191         ULONG KeyIndex;
 192         ULONG KeyLength;
 193         UCHAR KeyMaterial[1];
 194 } NDIS_802_11_WEP;
 195
 196 typedef ULONG NDIS_802_11_KEY_INDEX;
 197 typedef ULONGLONG NDIS_802_11_KEY_RSC;
 198
 199 typedef struct NDIS_802_11_KEY {
 200         ULONG Length;
 201         ULONG KeyIndex;
 202         ULONG KeyLength;
 203         NDIS_802_11_MAC_ADDRESS BSSID;
 204         NDIS_802_11_KEY_RSC KeyRSC;
 205         UCHAR KeyMaterial[1];
 206 } NDIS_802_11_KEY;
 207
 208 typedef struct NDIS_802_11_REMOVE_KEY {
 209         ULONG Length;
 210         ULONG KeyIndex;
 211         NDIS_802_11_MAC_ADDRESS BSSID;
 212 } NDIS_802_11_REMOVE_KEY;
 213
 214 typedef struct NDIS_802_11_AI_REQFI {
 215         USHORT Capabilities;
 216         USHORT ListenInterval;
 217         NDIS_802_11_MAC_ADDRESS CurrentAPAddress;
 218 } NDIS_802_11_AI_REQFI;
 219
 220 typedef struct NDIS_802_11_AI_RESFI {
 221         USHORT Capabilities;
 222         USHORT StatusCode;
 223         USHORT AssociationId;
 224 } NDIS_802_11_AI_RESFI;
 225
 226 typedef struct NDIS_802_11_ASSOCIATION_INFORMATION {
 227         ULONG Length;
 228         USHORT AvailableRequestFixedIEs;
 229         NDIS_802_11_AI_REQFI RequestFixedIEs;
 230         ULONG RequestIELength;
 231         ULONG OffsetRequestIEs;
 232         USHORT AvailableResponseFixedIEs;
 233         NDIS_802_11_AI_RESFI ResponseFixedIEs;
 234         ULONG ResponseIELength;
 235         ULONG OffsetResponseIEs;
 236 } NDIS_802_11_ASSOCIATION_INFORMATION;
 237
 238 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
 239         NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
 240         NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
 241 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
 242
 243 typedef struct NDIS_802_11_CAPABILITY {
 244         ULONG Length;
 245         ULONG Version;
 246         ULONG NoOfPMKIDs;
 247         ULONG NoOfAuthEncryptPairsSupported;
 248         NDIS_802_11_AUTHENTICATION_ENCRYPTION
 249                 AuthenticationEncryptionSupported[1];
 250 } NDIS_802_11_CAPABILITY;
 251
 252 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
 253
 254 typedef struct BSSID_INFO {
 255         NDIS_802_11_MAC_ADDRESS BSSID;
 256         NDIS_802_11_PMKID_VALUE PMKID;
 257 } BSSID_INFO;
 258
 259 typedef struct NDIS_802_11_PMKID {
 260         ULONG Length;
 261         ULONG BSSIDInfoCount;
 262         BSSID_INFO BSSIDInfo[1];
 263 } NDIS_802_11_PMKID;
 264
 265 typedef enum NDIS_802_11_STATUS_TYPE {
 266         Ndis802_11StatusType_Authentication,
 267         Ndis802_11StatusType_PMKID_CandidateList = 2,
 268         Ndis802_11StatusTypeMax
 269 } NDIS_802_11_STATUS_TYPE;
 270
 271 typedef struct NDIS_802_11_STATUS_INDICATION {
 272         NDIS_802_11_STATUS_TYPE StatusType;
 273 } NDIS_802_11_STATUS_INDICATION;
 274
 275 typedef struct PMKID_CANDIDATE {
 276         NDIS_802_11_MAC_ADDRESS BSSID;
 277         ULONG Flags;
 278 } PMKID_CANDIDATE;
 279
 280 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
 281
 282 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
 283         ULONG Version;
 284         ULONG NumCandidates;
 285         PMKID_CANDIDATE CandidateList[1];
 286 } NDIS_802_11_PMKID_CANDIDATE_LIST;
 287
 288 typedef struct NDIS_802_11_AUTHENTICATION_REQUEST {
 289         ULONG Length;
 290         NDIS_802_11_MAC_ADDRESS Bssid;
 291         ULONG Flags;
 292 } NDIS_802_11_AUTHENTICATION_REQUEST;
 293
 294 #define NDIS_802_11_AUTH_REQUEST_REAUTH                 0x01
 295 #define NDIS_802_11_AUTH_REQUEST_KEYUPDATE              0x02
 296 #define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR         0x06
 297 #define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR            0x0E
 298
 299 #endif /* OID_802_11_BSSID */
 300
 301
 302 #ifndef OID_802_11_PMKID
 303 /* Platform SDK for XP did not include WPA2, so add needed definitions */
 304
 305 #define OID_802_11_CAPABILITY                   0x0d010122
 306 #define OID_802_11_PMKID                        0x0d010123
 307
 308 #define Ndis802_11AuthModeWPA2 6
 309 #define Ndis802_11AuthModeWPA2PSK 7
 310
 311 #define Ndis802_11StatusType_PMKID_CandidateList 2
 312
 313 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
 314         NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
 315         NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
 316 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
 317
 318 typedef struct NDIS_802_11_CAPABILITY {
 319         ULONG Length;
 320         ULONG Version;
 321         ULONG NoOfPMKIDs;
 322         ULONG NoOfAuthEncryptPairsSupported;
 323         NDIS_802_11_AUTHENTICATION_ENCRYPTION
 324                 AuthenticationEncryptionSupported[1];
 325 } NDIS_802_11_CAPABILITY;
 326
 327 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
 328
 329 typedef struct BSSID_INFO {
 330         NDIS_802_11_MAC_ADDRESS BSSID;
 331         NDIS_802_11_PMKID_VALUE PMKID;
 332 } BSSID_INFO;
 333
 334 typedef struct NDIS_802_11_PMKID {
 335         ULONG Length;
 336         ULONG BSSIDInfoCount;
 337         BSSID_INFO BSSIDInfo[1];
 338 } NDIS_802_11_PMKID;
 339
 340 typedef struct PMKID_CANDIDATE {
 341         NDIS_802_11_MAC_ADDRESS BSSID;
 342         ULONG Flags;
 343 } PMKID_CANDIDATE;
 344
 345 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
 346
 347 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
 348         ULONG Version;
 349         ULONG NumCandidates;
 350         PMKID_CANDIDATE CandidateList[1];
 351 } NDIS_802_11_PMKID_CANDIDATE_LIST;
 352
 353 #endif /* OID_802_11_CAPABILITY */
 354
 355
 356 #ifndef OID_DOT11_CURRENT_OPERATION_MODE
 357 /* Native 802.11 OIDs */
 358 #define OID_DOT11_NDIS_START 0x0D010300
 359 #define OID_DOT11_CURRENT_OPERATION_MODE (OID_DOT11_NDIS_START + 8)
 360 #define OID_DOT11_SCAN_REQUEST (OID_DOT11_NDIS_START + 11)
 361
 362 typedef enum _DOT11_BSS_TYPE {
 363         dot11_BSS_type_infrastructure = 1,
 364         dot11_BSS_type_independent = 2,
 365         dot11_BSS_type_any = 3
 366 } DOT11_BSS_TYPE, * PDOT11_BSS_TYPE;
 367
 368 typedef UCHAR DOT11_MAC_ADDRESS[6];
 369 typedef DOT11_MAC_ADDRESS * PDOT11_MAC_ADDRESS;
 370
 371 typedef enum _DOT11_SCAN_TYPE {
 372         dot11_scan_type_active = 1,
 373         dot11_scan_type_passive = 2,
 374         dot11_scan_type_auto = 3,
 375         dot11_scan_type_forced = 0x80000000
 376 } DOT11_SCAN_TYPE, * PDOT11_SCAN_TYPE;
 377
 378 typedef struct _DOT11_SCAN_REQUEST_V2 {
 379         DOT11_BSS_TYPE dot11BSSType;
 380         DOT11_MAC_ADDRESS dot11BSSID;
 381         DOT11_SCAN_TYPE dot11ScanType;
 382         BOOLEAN bRestrictedScan;
 383         ULONG udot11SSIDsOffset;
 384         ULONG uNumOfdot11SSIDs;
 385         BOOLEAN bUseRequestIE;
 386         ULONG uRequestIDsOffset;
 387         ULONG uNumOfRequestIDs;
 388         ULONG uPhyTypeInfosOffset;
 389         ULONG uNumOfPhyTypeInfos;
 390         ULONG uIEsOffset;
 391         ULONG uIEsLength;
 392         UCHAR ucBuffer[1];
 393 } DOT11_SCAN_REQUEST_V2, * PDOT11_SCAN_REQUEST_V2;
 394
 395 #endif /* OID_DOT11_CURRENT_OPERATION_MODE */
 396
 397 #ifdef CONFIG_USE_NDISUIO
 398 #ifndef _WIN32_WCE
 399 #ifdef __MINGW32_VERSION
 400 typedef ULONG NDIS_OID;
 401 #endif /* __MINGW32_VERSION */
 402 /* from nuiouser.h */
 403 #define FSCTL_NDISUIO_BASE      FILE_DEVICE_NETWORK
 404
 405 #define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
 406         CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
 407
 408 #define IOCTL_NDISUIO_OPEN_DEVICE \
 409         _NDISUIO_CTL_CODE(0x200, METHOD_BUFFERED, \
 410                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 411
 412 #define IOCTL_NDISUIO_QUERY_OID_VALUE \
 413         _NDISUIO_CTL_CODE(0x201, METHOD_BUFFERED, \
 414                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 415
 416 #define IOCTL_NDISUIO_SET_OID_VALUE \
 417         _NDISUIO_CTL_CODE(0x205, METHOD_BUFFERED, \
 418                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 419
 420 #define IOCTL_NDISUIO_SET_ETHER_TYPE \
 421         _NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
 422                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 423
 424 #define IOCTL_NDISUIO_QUERY_BINDING \
 425         _NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
 426                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 427
 428 #define IOCTL_NDISUIO_BIND_WAIT \
 429         _NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
 430                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 431
 432 typedef struct _NDISUIO_QUERY_OID
 433 {
 434     NDIS_OID Oid;
 435     UCHAR Data[sizeof(ULONG)];
 436 } NDISUIO_QUERY_OID, *PNDISUIO_QUERY_OID;
 437
 438 typedef struct _NDISUIO_SET_OID
 439 {
 440     NDIS_OID Oid;
 441     UCHAR Data[sizeof(ULONG)];
 442 } NDISUIO_SET_OID, *PNDISUIO_SET_OID;
 443
 444 typedef struct _NDISUIO_QUERY_BINDING
 445 {
 446         ULONG BindingIndex;
 447         ULONG DeviceNameOffset;
 448         ULONG DeviceNameLength;
 449         ULONG DeviceDescrOffset;
 450         ULONG DeviceDescrLength;
 451 } NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
 452 #endif /* _WIN32_WCE */
 453 #endif /* CONFIG_USE_NDISUIO */
 454
 455
 456 static int ndis_get_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
 457                         char *data, size_t len)
 458 {
 459 #ifdef CONFIG_USE_NDISUIO
 460         NDISUIO_QUERY_OID *o;
 461         size_t buflen = sizeof(*o) + len;
 462         DWORD written;
 463         int ret;
 464         size_t hdrlen;
 465
 466         o = os_zalloc(buflen);
 467         if (o == NULL)
 468                 return -1;
 469         o->Oid = oid;
 470 #ifdef _WIN32_WCE
 471         o->ptcDeviceName = drv->adapter_name;
 472 #endif /* _WIN32_WCE */
 473         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_OID_VALUE,
 474                              o, sizeof(NDISUIO_QUERY_OID), o, buflen, &written,
 475                              NULL)) {
 476                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_QUERY_OID_VALUE "
 477                            "failed (oid=%08x): %d", oid, (int) GetLastError());
 478                 os_free(o);
 479                 return -1;
 480         }
 481         hdrlen = sizeof(NDISUIO_QUERY_OID) - sizeof(o->Data);
 482         if (written < hdrlen) {
 483                 wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d); "
 484                            "too short", oid, (unsigned int) written);
 485                 os_free(o);
 486                 return -1;
 487         }
 488         written -= hdrlen;
 489         if (written > len) {
 490                 wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d) > "
 491                            "len (%d)",oid, (unsigned int) written, len);
 492                 os_free(o);
 493                 return -1;
 494         }
 495         os_memcpy(data, o->Data, written);
 496         ret = written;
 497         os_free(o);
 498         return ret;
 499 #else /* CONFIG_USE_NDISUIO */
 500         char *buf;
 501         PACKET_OID_DATA *o;
 502         int ret;
 503
 504         buf = os_zalloc(sizeof(*o) + len);
 505         if (buf == NULL)
 506                 return -1;
 507         o = (PACKET_OID_DATA *) buf;
 508         o->Oid = oid;
 509         o->Length = len;
 510
 511         if (!PacketRequest(drv->adapter, FALSE, o)) {
 512                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
 513                            __func__, oid, len);
 514                 os_free(buf);
 515                 return -1;
 516         }
 517         if (o->Length > len) {
 518                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x Length (%d) > len (%d)",
 519                            __func__, oid, (unsigned int) o->Length, len);
 520                 os_free(buf);
 521                 return -1;
 522         }
 523         os_memcpy(data, o->Data, o->Length);
 524         ret = o->Length;
 525         os_free(buf);
 526         return ret;
 527 #endif /* CONFIG_USE_NDISUIO */
 528 }
 529
 530
 531 static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
 532                         const char *data, size_t len)
 533 {
 534 #ifdef CONFIG_USE_NDISUIO
 535         NDISUIO_SET_OID *o;
 536         size_t buflen, reallen;
 537         DWORD written;
 538         char txt[50];
 539
 540         os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
 541         wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
 542
 543         buflen = sizeof(*o) + len;
 544         reallen = buflen - sizeof(o->Data);
 545         o = os_zalloc(buflen);
 546         if (o == NULL)
 547                 return -1;
 548         o->Oid = oid;
 549 #ifdef _WIN32_WCE
 550         o->ptcDeviceName = drv->adapter_name;
 551 #endif /* _WIN32_WCE */
 552         if (data)
 553                 os_memcpy(o->Data, data, len);
 554         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_SET_OID_VALUE,
 555                              o, reallen, NULL, 0, &written, NULL)) {
 556                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_SET_OID_VALUE "
 557                            "(oid=%08x) failed: %d", oid, (int) GetLastError());
 558                 os_free(o);
 559                 return -1;
 560         }
 561         os_free(o);
 562         return 0;
 563 #else /* CONFIG_USE_NDISUIO */
 564         char *buf;
 565         PACKET_OID_DATA *o;
 566         char txt[50];
 567
 568         os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
 569         wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
 570
 571         buf = os_zalloc(sizeof(*o) + len);
 572         if (buf == NULL)
 573                 return -1;
 574         o = (PACKET_OID_DATA *) buf;
 575         o->Oid = oid;
 576         o->Length = len;
 577         if (data)
 578                 os_memcpy(o->Data, data, len);
 579
 580         if (!PacketRequest(drv->adapter, TRUE, o)) {
 581                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
 582                            __func__, oid, len);
 583                 os_free(buf);
 584                 return -1;
 585         }
 586         os_free(buf);
 587         return 0;
 588 #endif /* CONFIG_USE_NDISUIO */
 589 }
 590
 591
 592 static int ndis_set_auth_mode(struct wpa_driver_ndis_data *drv, int mode)
 593 {
 594         u32 auth_mode = mode;
 595         if (ndis_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
 596                          (char *) &auth_mode, sizeof(auth_mode)) < 0) {
 597                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
 598                            "OID_802_11_AUTHENTICATION_MODE (%d)",
 599                            (int) auth_mode);
 600                 return -1;
 601         }
 602         return 0;
 603 }
 604
 605
 606 static int ndis_get_auth_mode(struct wpa_driver_ndis_data *drv)
 607 {
 608         u32 auth_mode;
 609         int res;
 610         res = ndis_get_oid(drv, OID_802_11_AUTHENTICATION_MODE,
 611                            (char *) &auth_mode, sizeof(auth_mode));
 612         if (res != sizeof(auth_mode)) {
 613                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
 614                            "OID_802_11_AUTHENTICATION_MODE");
 615                 return -1;
 616         }
 617         return auth_mode;
 618 }
 619
 620
 621 static int ndis_set_encr_status(struct wpa_driver_ndis_data *drv, int encr)
 622 {
 623         u32 encr_status = encr;
 624         if (ndis_set_oid(drv, OID_802_11_ENCRYPTION_STATUS,
 625                          (char *) &encr_status, sizeof(encr_status)) < 0) {
 626                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
 627                            "OID_802_11_ENCRYPTION_STATUS (%d)", encr);
 628                 return -1;
 629         }
 630         return 0;
 631 }
 632
 633
 634 static int ndis_get_encr_status(struct wpa_driver_ndis_data *drv)
 635 {
 636         u32 encr;
 637         int res;
 638         res = ndis_get_oid(drv, OID_802_11_ENCRYPTION_STATUS,
 639                            (char *) &encr, sizeof(encr));
 640         if (res != sizeof(encr)) {
 641                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
 642                            "OID_802_11_ENCRYPTION_STATUS");
 643                 return -1;
 644         }
 645         return encr;
 646 }
 647
 648
 649 static int wpa_driver_ndis_get_bssid(void *priv, u8 *bssid)
 650 {
 651         struct wpa_driver_ndis_data *drv = priv;
 652
 653         if (drv->wired) {
 654                 /*
 655                  * Report PAE group address as the "BSSID" for wired
 656                  * connection.
 657                  */
 658                 os_memcpy(bssid, pae_group_addr, ETH_ALEN);
 659                 return 0;
 660         }
 661
 662         return ndis_get_oid(drv, OID_802_11_BSSID, (char *) bssid, ETH_ALEN) <
 663                 0 ? -1 : 0;
 664 }
 665
 666
 667 static int wpa_driver_ndis_get_ssid(void *priv, u8 *ssid)
 668 {
 669         struct wpa_driver_ndis_data *drv = priv;
 670         NDIS_802_11_SSID buf;
 671         int res;
 672
 673         res = ndis_get_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
 674         if (res < 4) {
 675                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get SSID");
 676                 if (drv->wired) {
 677                         wpa_printf(MSG_DEBUG, "NDIS: Allow get_ssid failure "
 678                                    "with a wired interface");
 679                         return 0;
 680                 }
 681                 return -1;
 682         }
 683         os_memcpy(ssid, buf.Ssid, buf.SsidLength);
 684         return buf.SsidLength;
 685 }
 686
 687
 688 static int wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data *drv,
 689                                     const u8 *ssid, size_t ssid_len)
 690 {
 691         NDIS_802_11_SSID buf;
 692
 693         os_memset(&buf, 0, sizeof(buf));
 694         buf.SsidLength = ssid_len;
 695         os_memcpy(buf.Ssid, ssid, ssid_len);
 696         /*
 697          * Make sure radio is marked enabled here so that scan request will not
 698          * force SSID to be changed to a random one in order to enable radio at
 699          * that point.
 700          */
 701         drv->radio_enabled = 1;
 702         return ndis_set_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
 703 }
 704
 705
 706 /* Disconnect using OID_802_11_DISASSOCIATE. This will also turn the radio off.
 707  */
 708 static int wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data *drv)
 709 {
 710         drv->radio_enabled = 0;
 711         return ndis_set_oid(drv, OID_802_11_DISASSOCIATE, "    ", 4);
 712 }
 713
 714
 715 /* Disconnect by setting SSID to random (i.e., likely not used). */
 716 static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
 717 {
 718         char ssid[32];
 719         int i;
 720         for (i = 0; i < 32; i++)
 721                 ssid[i] = rand() & 0xff;
 722         return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, 32);
 723 }
 724
 725
 726 static int wpa_driver_ndis_deauthenticate(void *priv, const u8 *addr,
 727                                           int reason_code)
 728 {
 729         struct wpa_driver_ndis_data *drv = priv;
 730         return wpa_driver_ndis_disconnect(drv);
 731 }
 732
 733
 734 static int wpa_driver_ndis_disassociate(void *priv, const u8 *addr,
 735                                         int reason_code)
 736 {
 737         struct wpa_driver_ndis_data *drv = priv;
 738         return wpa_driver_ndis_disconnect(drv);
 739 }
 740
 741
 742 static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
 743 {
 744         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
 745         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
 746 }
 747
 748
 749 static int wpa_driver_ndis_scan_native80211(
 750         struct wpa_driver_ndis_data *drv,
 751         struct wpa_driver_scan_params *params)
 752 {
 753         DOT11_SCAN_REQUEST_V2 req;
 754         int res;
 755
 756         os_memset(&req, 0, sizeof(req));
 757         req.dot11BSSType = dot11_BSS_type_any;
 758         os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
 759         req.dot11ScanType = dot11_scan_type_auto;
 760         res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
 761                            sizeof(req));
 762         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
 763         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
 764                                drv->ctx);
 765         return res;
 766 }
 767
 768
 769 static int wpa_driver_ndis_scan(void *priv,
 770                                 struct wpa_driver_scan_params *params)
 771 {
 772         struct wpa_driver_ndis_data *drv = priv;
 773         int res;
 774
 775         if (drv->native80211)
 776                 return wpa_driver_ndis_scan_native80211(drv, params);
 777
 778         if (!drv->radio_enabled) {
 779                 wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
 780                            " scan");
 781                 if (wpa_driver_ndis_disconnect(drv) < 0) {
 782                         wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
 783                 }
 784                 drv->radio_enabled = 1;
 785         }
 786
 787         res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, "    ", 4);
 788         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
 789         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
 790                                drv->ctx);
 791         return res;
 792 }
 793
 794
 795 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
 796 {
 797         const u8 *end, *pos;
 798
 799         pos = (const u8 *) (res + 1);
 800         end = pos + res->ie_len;
 801
 802         while (pos + 1 < end) {
 803                 if (pos + 2 + pos[1] > end)
 804                         break;
 805                 if (pos[0] == ie)
 806                         return pos;
 807                 pos += 2 + pos[1];
 808         }
 809
 810         return NULL;
 811 }
 812
 813
 814 static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
 815         struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
 816 {
 817         struct wpa_scan_res *nr;
 818         u8 *pos;
 819
 820         if (wpa_scan_get_ie(r, WLAN_EID_SSID))
 821                 return r; /* SSID IE already present */
 822
 823         if (ssid->SsidLength == 0 || ssid->SsidLength > 32)
 824                 return r; /* No valid SSID inside scan data */
 825
 826         nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
 827         if (nr == NULL)
 828                 return r;
 829
 830         pos = ((u8 *) (nr + 1)) + nr->ie_len;
 831         *pos++ = WLAN_EID_SSID;
 832         *pos++ = ssid->SsidLength;
 833         os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
 834         nr->ie_len += 2 + ssid->SsidLength;
 835
 836         return nr;
 837 }
 838
 839
 840 static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
 841 {
 842         struct wpa_driver_ndis_data *drv = priv;
 843         NDIS_802_11_BSSID_LIST_EX *b;
 844         size_t blen, count, i;
 845         int len;
 846         char *pos;
 847         struct wpa_scan_results *results;
 848         struct wpa_scan_res *r;
 849
 850         blen = 65535;
 851         b = os_zalloc(blen);
 852         if (b == NULL)
 853                 return NULL;
 854         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
 855         if (len < 0) {
 856                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
 857                 os_free(b);
 858                 return NULL;
 859         }
 860         count = b->NumberOfItems;
 861
 862         results = os_zalloc(sizeof(*results));
 863         if (results == NULL) {
 864                 os_free(b);
 865                 return NULL;
 866         }
 867         results->res = os_zalloc(count * sizeof(struct wpa_scan_res *));
 868         if (results->res == NULL) {
 869                 os_free(results);
 870                 os_free(b);
 871                 return NULL;
 872         }
 873
 874         pos = (char *) &b->Bssid[0];
 875         for (i = 0; i < count; i++) {
 876                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
 877                 NDIS_802_11_FIXED_IEs *fixed;
 878
 879                 if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
 880                         wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
 881                                    (int) bss->IELength);
 882                         break;
 883                 }
 884                 if (((char *) bss->IEs) + bss->IELength  > (char *) b + blen) {
 885                         /*
 886                          * Some NDIS drivers have been reported to include an
 887                          * entry with an invalid IELength in scan results and
 888                          * this has crashed wpa_supplicant, so validate the
 889                          * returned value before using it.
 890                          */
 891                         wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
 892                                    "result IE (BSSID=" MACSTR ") IELength=%d",
 893                                    MAC2STR(bss->MacAddress),
 894                                    (int) bss->IELength);
 895                         break;
 896                 }
 897
 898                 r = os_zalloc(sizeof(*r) + bss->IELength -
 899                               sizeof(NDIS_802_11_FIXED_IEs));
 900                 if (r == NULL)
 901                         break;
 902
 903                 os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
 904                 r->level = (int) bss->Rssi;
 905                 r->freq = bss->Configuration.DSConfig / 1000;
 906                 fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
 907                 r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
 908                 r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
 909                 r->tsf = WPA_GET_LE64(fixed->Timestamp);
 910                 os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
 911                           bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
 912                 r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
 913                 r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
 914
 915                 results->res[results->num++] = r;
 916
 917                 pos += bss->Length;
 918                 if (pos > (char *) b + blen)
 919                         break;
 920         }
 921
 922         os_free(b);
 923
 924         return results;
 925 }
 926
 927
 928 static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
 929                                       int key_idx, const u8 *addr,
 930                                       const u8 *bssid, int pairwise)
 931 {
 932         NDIS_802_11_REMOVE_KEY rkey;
 933         NDIS_802_11_KEY_INDEX index;
 934         int res, res2;
 935
 936         os_memset(&rkey, 0, sizeof(rkey));
 937
 938         rkey.Length = sizeof(rkey);
 939         rkey.KeyIndex = key_idx;
 940         if (pairwise)
 941                 rkey.KeyIndex |= 1 << 30;
 942         os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
 943
 944         res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
 945                            sizeof(rkey));
 946         if (!pairwise) {
 947                 index = key_idx;
 948                 res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
 949                                     (char *) &index, sizeof(index));
 950         } else
 951                 res2 = 0;
 952
 953         if (res < 0 && res2 < 0)
 954                 return -1;
 955         return 0;
 956 }
 957
 958
 959 static int wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data *drv,
 960                                    int pairwise, int key_idx, int set_tx,
 961                                    const u8 *key, size_t key_len)
 962 {
 963         NDIS_802_11_WEP *wep;
 964         size_t len;
 965         int res;
 966
 967         len = 12 + key_len;
 968         wep = os_zalloc(len);
 969         if (wep == NULL)
 970                 return -1;
 971         wep->Length = len;
 972         wep->KeyIndex = key_idx;
 973         if (set_tx)
 974                 wep->KeyIndex |= 1 << 31;
 975 #if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
 976         if (pairwise)
 977                 wep->KeyIndex |= 1 << 30;
 978 #endif
 979         wep->KeyLength = key_len;
 980         os_memcpy(wep->KeyMaterial, key, key_len);
 981
 982         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
 983                         (u8 *) wep, len);
 984         res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
 985
 986         os_free(wep);
 987
 988         return res;
 989 }
 990
 991
 992 static int wpa_driver_ndis_set_key(const char *ifname, void *priv,
 993                                    enum wpa_alg alg, const u8 *addr,
 994                                    int key_idx, int set_tx,
 995                                    const u8 *seq, size_t seq_len,
 996                                    const u8 *key, size_t key_len)
 997 {
 998         struct wpa_driver_ndis_data *drv = priv;
 999         size_t len, i;
1000         NDIS_802_11_KEY *nkey;
1001         int res, pairwise;
1002         u8 bssid[ETH_ALEN];
1003
1004         if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1005                                       ETH_ALEN) == 0) {
1006                 /* Group Key */
1007                 pairwise = 0;
1008                 if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
1009                         os_memset(bssid, 0xff, ETH_ALEN);
1010         } else {
1011                 /* Pairwise Key */
1012                 pairwise = 1;
1013                 os_memcpy(bssid, addr, ETH_ALEN);
1014         }
1015
1016         if (alg == WPA_ALG_NONE || key_len == 0) {
1017                 return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
1018                                                   pairwise);
1019         }
1020
1021         if (alg == WPA_ALG_WEP) {
1022                 return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
1023                                                key, key_len);
1024         }
1025
1026         len = 12 + 6 + 6 + 8 + key_len;
1027
1028         nkey = os_zalloc(len);
1029         if (nkey == NULL)
1030                 return -1;
1031
1032         nkey->Length = len;
1033         nkey->KeyIndex = key_idx;
1034         if (set_tx)
1035                 nkey->KeyIndex |= 1 << 31;
1036         if (pairwise)
1037                 nkey->KeyIndex |= 1 << 30;
1038         if (seq && seq_len)
1039                 nkey->KeyIndex |= 1 << 29;
1040         nkey->KeyLength = key_len;
1041         os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
1042         if (seq && seq_len) {
1043                 for (i = 0; i < seq_len; i++)
1044                         nkey->KeyRSC |= (ULONGLONG) seq[i] << (i * 8);
1045         }
1046         if (alg == WPA_ALG_TKIP && key_len == 32) {
1047                 os_memcpy(nkey->KeyMaterial, key, 16);
1048                 os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
1049                 os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
1050         } else {
1051                 os_memcpy(nkey->KeyMaterial, key, key_len);
1052         }
1053
1054         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_KEY",
1055                         (u8 *) nkey, len);
1056         res = ndis_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
1057         os_free(nkey);
1058
1059         return res;
1060 }
1061
1062
1063 static int
1064 wpa_driver_ndis_associate(void *priv,
1065                           struct wpa_driver_associate_params *params)
1066 {
1067         struct wpa_driver_ndis_data *drv = priv;
1068         u32 auth_mode, encr, priv_mode, mode;
1069
1070         drv->mode = params->mode;
1071
1072         /* Note: Setting OID_802_11_INFRASTRUCTURE_MODE clears current keys,
1073          * so static WEP keys needs to be set again after this. */
1074         if (params->mode == IEEE80211_MODE_IBSS) {
1075                 mode = Ndis802_11IBSS;
1076                 /* Need to make sure that BSSID polling is enabled for
1077                  * IBSS mode. */
1078                 eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1079                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1080                                        drv, NULL);
1081         } else
1082                 mode = Ndis802_11Infrastructure;
1083         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
1084                          (char *) &mode, sizeof(mode)) < 0) {
1085                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1086                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
1087                            (int) mode);
1088                 /* Try to continue anyway */
1089         }
1090
1091         if (params->key_mgmt_suite == KEY_MGMT_NONE ||
1092             params->key_mgmt_suite == KEY_MGMT_802_1X_NO_WPA) {
1093                 /* Re-set WEP keys if static WEP configuration is used. */
1094                 u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1095                 int i;
1096                 for (i = 0; i < 4; i++) {
1097                         if (!params->wep_key[i])
1098                                 continue;
1099                         wpa_printf(MSG_DEBUG, "NDIS: Re-setting static WEP "
1100                                    "key %d", i);
1101                         wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
1102                                                 bcast, i,
1103                                                 i == params->wep_tx_keyidx,
1104                                                 NULL, 0, params->wep_key[i],
1105                                                 params->wep_key_len[i]);
1106                 }
1107         }
1108
1109         if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
1110                 if (params->auth_alg & WPA_AUTH_ALG_SHARED) {
1111                         if (params->auth_alg & WPA_AUTH_ALG_OPEN)
1112                                 auth_mode = Ndis802_11AuthModeAutoSwitch;
1113                         else
1114                                 auth_mode = Ndis802_11AuthModeShared;
1115                 } else
1116                         auth_mode = Ndis802_11AuthModeOpen;
1117                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1118         } else if (params->wpa_ie[0] == WLAN_EID_RSN) {
1119                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1120                 if (params->key_mgmt_suite == KEY_MGMT_PSK)
1121                         auth_mode = Ndis802_11AuthModeWPA2PSK;
1122                 else
1123                         auth_mode = Ndis802_11AuthModeWPA2;
1124 #ifdef CONFIG_WPS
1125         } else if (params->key_mgmt_suite == KEY_MGMT_WPS) {
1126                 auth_mode = Ndis802_11AuthModeOpen;
1127                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1128 #endif /* CONFIG_WPS */
1129         } else {
1130                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1131                 if (params->key_mgmt_suite == KEY_MGMT_WPA_NONE)
1132                         auth_mode = Ndis802_11AuthModeWPANone;
1133                 else if (params->key_mgmt_suite == KEY_MGMT_PSK)
1134                         auth_mode = Ndis802_11AuthModeWPAPSK;
1135                 else
1136                         auth_mode = Ndis802_11AuthModeWPA;
1137         }
1138
1139         switch (params->pairwise_suite) {
1140         case CIPHER_CCMP:
1141                 encr = Ndis802_11Encryption3Enabled;
1142                 break;
1143         case CIPHER_TKIP:
1144                 encr = Ndis802_11Encryption2Enabled;
1145                 break;
1146         case CIPHER_WEP40:
1147         case CIPHER_WEP104:
1148                 encr = Ndis802_11Encryption1Enabled;
1149                 break;
1150         case CIPHER_NONE:
1151                 if (params->group_suite == CIPHER_CCMP)
1152                         encr = Ndis802_11Encryption3Enabled;
1153                 else if (params->group_suite == CIPHER_TKIP)
1154                         encr = Ndis802_11Encryption2Enabled;
1155                 else
1156                         encr = Ndis802_11EncryptionDisabled;
1157                 break;
1158         default:
1159                 encr = Ndis802_11EncryptionDisabled;
1160         };
1161
1162         if (ndis_set_oid(drv, OID_802_11_PRIVACY_FILTER,
1163                          (char *) &priv_mode, sizeof(priv_mode)) < 0) {
1164                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1165                            "OID_802_11_PRIVACY_FILTER (%d)",
1166                            (int) priv_mode);
1167                 /* Try to continue anyway */
1168         }
1169
1170         ndis_set_auth_mode(drv, auth_mode);
1171         ndis_set_encr_status(drv, encr);
1172
1173         if (params->bssid) {
1174                 ndis_set_oid(drv, OID_802_11_BSSID, (char *) params->bssid,
1175                              ETH_ALEN);
1176                 drv->oid_bssid_set = 1;
1177         } else if (drv->oid_bssid_set) {
1178                 ndis_set_oid(drv, OID_802_11_BSSID, "\xff\xff\xff\xff\xff\xff",
1179                              ETH_ALEN);
1180                 drv->oid_bssid_set = 0;
1181         }
1182
1183         return wpa_driver_ndis_set_ssid(drv, params->ssid, params->ssid_len);
1184 }
1185
1186
1187 static int wpa_driver_ndis_set_pmkid(struct wpa_driver_ndis_data *drv)
1188 {
1189         int len, count, i, ret;
1190         struct ndis_pmkid_entry *entry;
1191         NDIS_802_11_PMKID *p;
1192
1193         count = 0;
1194         entry = drv->pmkid;
1195         while (entry) {
1196                 count++;
1197                 if (count >= drv->no_of_pmkid)
1198                         break;
1199                 entry = entry->next;
1200         }
1201         len = 8 + count * sizeof(BSSID_INFO);
1202         p = os_zalloc(len);
1203         if (p == NULL)
1204                 return -1;
1205
1206         p->Length = len;
1207         p->BSSIDInfoCount = count;
1208         entry = drv->pmkid;
1209         for (i = 0; i < count; i++) {
1210                 os_memcpy(&p->BSSIDInfo[i].BSSID, entry->bssid, ETH_ALEN);
1211                 os_memcpy(&p->BSSIDInfo[i].PMKID, entry->pmkid, 16);
1212                 entry = entry->next;
1213         }
1214         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID", (u8 *) p, len);
1215         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) p, len);
1216         os_free(p);
1217         return ret;
1218 }
1219
1220
1221 static int wpa_driver_ndis_add_pmkid(void *priv, const u8 *bssid,
1222                                      const u8 *pmkid)
1223 {
1224         struct wpa_driver_ndis_data *drv = priv;
1225         struct ndis_pmkid_entry *entry, *prev;
1226
1227         if (drv->no_of_pmkid == 0)
1228                 return 0;
1229
1230         prev = NULL;
1231         entry = drv->pmkid;
1232         while (entry) {
1233                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0)
1234                         break;
1235                 prev = entry;
1236                 entry = entry->next;
1237         }
1238
1239         if (entry) {
1240                 /* Replace existing entry for this BSSID and move it into the
1241                  * beginning of the list. */
1242                 os_memcpy(entry->pmkid, pmkid, 16);
1243                 if (prev) {
1244                         prev->next = entry->next;
1245                         entry->next = drv->pmkid;
1246                         drv->pmkid = entry;
1247                 }
1248         } else {
1249                 entry = os_malloc(sizeof(*entry));
1250                 if (entry) {
1251                         os_memcpy(entry->bssid, bssid, ETH_ALEN);
1252                         os_memcpy(entry->pmkid, pmkid, 16);
1253                         entry->next = drv->pmkid;
1254                         drv->pmkid = entry;
1255                 }
1256         }
1257
1258         return wpa_driver_ndis_set_pmkid(drv);
1259 }
1260
1261
1262 static int wpa_driver_ndis_remove_pmkid(void *priv, const u8 *bssid,
1263                                         const u8 *pmkid)
1264 {
1265         struct wpa_driver_ndis_data *drv = priv;
1266         struct ndis_pmkid_entry *entry, *prev;
1267
1268         if (drv->no_of_pmkid == 0)
1269                 return 0;
1270
1271         entry = drv->pmkid;
1272         prev = NULL;
1273         while (entry) {
1274                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0 &&
1275                     os_memcmp(entry->pmkid, pmkid, 16) == 0) {
1276                         if (prev)
1277                                 prev->next = entry->next;
1278                         else
1279                                 drv->pmkid = entry->next;
1280                         os_free(entry);
1281                         break;
1282                 }
1283                 prev = entry;
1284                 entry = entry->next;
1285         }
1286         return wpa_driver_ndis_set_pmkid(drv);
1287 }
1288
1289
1290 static int wpa_driver_ndis_flush_pmkid(void *priv)
1291 {
1292         struct wpa_driver_ndis_data *drv = priv;
1293         NDIS_802_11_PMKID p;
1294         struct ndis_pmkid_entry *pmkid, *prev;
1295         int prev_authmode, ret;
1296
1297         if (drv->no_of_pmkid == 0)
1298                 return 0;
1299
1300         pmkid = drv->pmkid;
1301         drv->pmkid = NULL;
1302         while (pmkid) {
1303                 prev = pmkid;
1304                 pmkid = pmkid->next;
1305                 os_free(prev);
1306         }
1307
1308         /*
1309          * Some drivers may refuse OID_802_11_PMKID if authMode is not set to
1310          * WPA2, so change authMode temporarily, if needed.
1311          */
1312         prev_authmode = ndis_get_auth_mode(drv);
1313         if (prev_authmode != Ndis802_11AuthModeWPA2)
1314                 ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA2);
1315
1316         os_memset(&p, 0, sizeof(p));
1317         p.Length = 8;
1318         p.BSSIDInfoCount = 0;
1319         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
1320                     (u8 *) &p, 8);
1321         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
1322
1323         if (prev_authmode != Ndis802_11AuthModeWPA2)
1324                 ndis_set_auth_mode(drv, prev_authmode);
1325
1326         return ret;
1327 }
1328
1329
1330 static int wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data *drv)
1331 {
1332         char buf[512], *pos;
1333         NDIS_802_11_ASSOCIATION_INFORMATION *ai;
1334         int len;
1335         union wpa_event_data data;
1336         NDIS_802_11_BSSID_LIST_EX *b;
1337         size_t blen, i;
1338
1339         len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION, buf,
1340                            sizeof(buf));
1341         if (len < 0) {
1342                 wpa_printf(MSG_DEBUG, "NDIS: failed to get association "
1343                            "information");
1344                 return -1;
1345         }
1346         if (len > sizeof(buf)) {
1347                 /* Some drivers seem to be producing incorrect length for this
1348                  * data. Limit the length to the current buffer size to avoid
1349                  * crashing in hexdump. The data seems to be otherwise valid,
1350                  * so better try to use it. */
1351                 wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association "
1352                            "information length %d", len);
1353                 len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION,
1354                                    buf, sizeof(buf));
1355                 if (len < -1) {
1356                         wpa_printf(MSG_DEBUG, "NDIS: re-reading association "
1357                                    "information failed");
1358                         return -1;
1359                 }
1360                 if (len > sizeof(buf)) {
1361                         wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association"
1362                                    " information length %d (re-read)", len);
1363                         len = sizeof(buf);
1364                 }
1365         }
1366         wpa_hexdump(MSG_MSGDUMP, "NDIS: association information",
1367                     (u8 *) buf, len);
1368         if (len < sizeof(*ai)) {
1369                 wpa_printf(MSG_DEBUG, "NDIS: too short association "
1370                            "information");
1371                 return -1;
1372         }
1373         ai = (NDIS_802_11_ASSOCIATION_INFORMATION *) buf;
1374         wpa_printf(MSG_DEBUG, "NDIS: ReqFixed=0x%x RespFixed=0x%x off_req=%d "
1375                    "off_resp=%d len_req=%d len_resp=%d",
1376                    ai->AvailableRequestFixedIEs, ai->AvailableResponseFixedIEs,
1377                    (int) ai->OffsetRequestIEs, (int) ai->OffsetResponseIEs,
1378                    (int) ai->RequestIELength, (int) ai->ResponseIELength);
1379
1380         if (ai->OffsetRequestIEs + ai->RequestIELength > (unsigned) len ||
1381             ai->OffsetResponseIEs + ai->ResponseIELength > (unsigned) len) {
1382                 wpa_printf(MSG_DEBUG, "NDIS: association information - "
1383                            "IE overflow");
1384                 return -1;
1385         }
1386
1387         wpa_hexdump(MSG_MSGDUMP, "NDIS: Request IEs",
1388                     (u8 *) buf + ai->OffsetRequestIEs, ai->RequestIELength);
1389         wpa_hexdump(MSG_MSGDUMP, "NDIS: Response IEs",
1390                     (u8 *) buf + ai->OffsetResponseIEs, ai->ResponseIELength);
1391
1392         os_memset(&data, 0, sizeof(data));
1393         data.assoc_info.req_ies = (u8 *) buf + ai->OffsetRequestIEs;
1394         data.assoc_info.req_ies_len = ai->RequestIELength;
1395         data.assoc_info.resp_ies = (u8 *) buf + ai->OffsetResponseIEs;
1396         data.assoc_info.resp_ies_len = ai->ResponseIELength;
1397
1398         blen = 65535;
1399         b = os_zalloc(blen);
1400         if (b == NULL)
1401                 goto skip_scan_results;
1402         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
1403         if (len < 0) {
1404                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
1405                 os_free(b);
1406                 b = NULL;
1407                 goto skip_scan_results;
1408         }
1409         wpa_printf(MSG_DEBUG, "NDIS: %d BSSID items to process for AssocInfo",
1410                    (unsigned int) b->NumberOfItems);
1411
1412         pos = (char *) &b->Bssid[0];
1413         for (i = 0; i < b->NumberOfItems; i++) {
1414                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
1415                 if (os_memcmp(drv->bssid, bss->MacAddress, ETH_ALEN) == 0 &&
1416                     bss->IELength > sizeof(NDIS_802_11_FIXED_IEs)) {
1417                         data.assoc_info.beacon_ies =
1418                                 ((u8 *) bss->IEs) +
1419                                 sizeof(NDIS_802_11_FIXED_IEs);
1420                         data.assoc_info.beacon_ies_len =
1421                                 bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
1422                         wpa_hexdump(MSG_MSGDUMP, "NDIS: Beacon IEs",
1423                                     data.assoc_info.beacon_ies,
1424                                     data.assoc_info.beacon_ies_len);
1425                         break;
1426                 }
1427                 pos += bss->Length;
1428                 if (pos > (char *) b + blen)
1429                         break;
1430         }
1431
1432 skip_scan_results:
1433         wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
1434
1435         os_free(b);
1436
1437         return 0;
1438 }
1439
1440
1441 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx)
1442 {
1443         struct wpa_driver_ndis_data *drv = eloop_ctx;
1444         u8 bssid[ETH_ALEN];
1445         int poll;
1446
1447         if (drv->wired)
1448                 return;
1449
1450         if (wpa_driver_ndis_get_bssid(drv, bssid)) {
1451                 /* Disconnected */
1452                 if (!is_zero_ether_addr(drv->bssid)) {
1453                         os_memset(drv->bssid, 0, ETH_ALEN);
1454                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1455                 }
1456         } else {
1457                 /* Connected */
1458                 if (os_memcmp(drv->bssid, bssid, ETH_ALEN) != 0) {
1459                         os_memcpy(drv->bssid, bssid, ETH_ALEN);
1460                         wpa_driver_ndis_get_associnfo(drv);
1461                         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1462                 }
1463         }
1464
1465         /* When using integrated NDIS event receiver, we can skip BSSID
1466          * polling when using infrastructure network. However, when using
1467          * IBSS mode, many driver do not seem to generate connection event,
1468          * so we need to enable BSSID polling to figure out when IBSS network
1469          * has been formed.
1470          */
1471         poll = drv->mode == IEEE80211_MODE_IBSS;
1472 #ifndef CONFIG_NDIS_EVENTS_INTEGRATED
1473 #ifndef _WIN32_WCE
1474         poll = 1;
1475 #endif /* _WIN32_WCE */
1476 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
1477
1478         if (poll) {
1479                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1480                                         drv, NULL);
1481         }
1482 }
1483
1484
1485 static void wpa_driver_ndis_poll(void *priv)
1486 {
1487         struct wpa_driver_ndis_data *drv = priv;
1488         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1489         wpa_driver_ndis_poll_timeout(drv, NULL);
1490 }
1491
1492
1493 /* Called when driver generates Media Connect Event by calling
1494  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_CONNECT */
1495 void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv)
1496 {
1497         wpa_printf(MSG_DEBUG, "NDIS: Media Connect Event");
1498         if (wpa_driver_ndis_get_bssid(drv, drv->bssid) == 0) {
1499                 wpa_driver_ndis_get_associnfo(drv);
1500                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1501         }
1502 }
1503
1504
1505 /* Called when driver generates Media Disconnect Event by calling
1506  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_DISCONNECT */
1507 void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv)
1508 {
1509         wpa_printf(MSG_DEBUG, "NDIS: Media Disconnect Event");
1510         os_memset(drv->bssid, 0, ETH_ALEN);
1511         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1512 }
1513
1514
1515 static void wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data *drv,
1516                                        const u8 *data, size_t data_len)
1517 {
1518         NDIS_802_11_AUTHENTICATION_REQUEST *req;
1519         int pairwise = 0, group = 0;
1520         union wpa_event_data event;
1521
1522         if (data_len < sizeof(*req)) {
1523                 wpa_printf(MSG_DEBUG, "NDIS: Too short Authentication Request "
1524                            "Event (len=%d)", data_len);
1525                 return;
1526         }
1527         req = (NDIS_802_11_AUTHENTICATION_REQUEST *) data;
1528
1529         wpa_printf(MSG_DEBUG, "NDIS: Authentication Request Event: "
1530                    "Bssid " MACSTR " Flags 0x%x",
1531                    MAC2STR(req->Bssid), (int) req->Flags);
1532
1533         if ((req->Flags & NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR) ==
1534             NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR)
1535                 pairwise = 1;
1536         else if ((req->Flags & NDIS_802_11_AUTH_REQUEST_GROUP_ERROR) ==
1537             NDIS_802_11_AUTH_REQUEST_GROUP_ERROR)
1538                 group = 1;
1539
1540         if (pairwise || group) {
1541                 os_memset(&event, 0, sizeof(event));
1542                 event.michael_mic_failure.unicast = pairwise;
1543                 wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE,
1544                                      &event);
1545         }
1546 }
1547
1548
1549 static void wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data *drv,
1550                                         const u8 *data, size_t data_len)
1551 {
1552         NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
1553         size_t i;
1554         union wpa_event_data event;
1555
1556         if (data_len < 8) {
1557                 wpa_printf(MSG_DEBUG, "NDIS: Too short PMKID Candidate List "
1558                            "Event (len=%d)", data_len);
1559                 return;
1560         }
1561         pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
1562         wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List Event - Version %d "
1563                    "NumCandidates %d",
1564                    (int) pmkid->Version, (int) pmkid->NumCandidates);
1565
1566         if (pmkid->Version != 1) {
1567                 wpa_printf(MSG_DEBUG, "NDIS: Unsupported PMKID Candidate List "
1568                            "Version %d", (int) pmkid->Version);
1569                 return;
1570         }
1571
1572         if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
1573                 wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List underflow");
1574                 return;
1575         }
1576
1577         os_memset(&event, 0, sizeof(event));
1578         for (i = 0; i < pmkid->NumCandidates; i++) {
1579                 PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
1580                 wpa_printf(MSG_DEBUG, "NDIS: %d: " MACSTR " Flags 0x%x",
1581                            i, MAC2STR(p->BSSID), (int) p->Flags);
1582                 os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
1583                 event.pmkid_candidate.index = i;
1584                 event.pmkid_candidate.preauth =
1585                         p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
1586                 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
1587                                      &event);
1588         }
1589 }
1590
1591
1592 /* Called when driver calls NdisMIndicateStatus() with
1593  * NDIS_STATUS_MEDIA_SPECIFIC_INDICATION */
1594 void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
1595                                           const u8 *data, size_t data_len)
1596 {
1597         NDIS_802_11_STATUS_INDICATION *status;
1598
1599         if (data == NULL || data_len < sizeof(*status))
1600                 return;
1601
1602         wpa_hexdump(MSG_DEBUG, "NDIS: Media Specific Indication",
1603                     data, data_len);
1604
1605         status = (NDIS_802_11_STATUS_INDICATION *) data;
1606         data += sizeof(status);
1607         data_len -= sizeof(status);
1608
1609         switch (status->StatusType) {
1610         case Ndis802_11StatusType_Authentication:
1611                 wpa_driver_ndis_event_auth(drv, data, data_len);
1612                 break;
1613         case Ndis802_11StatusType_PMKID_CandidateList:
1614                 wpa_driver_ndis_event_pmkid(drv, data, data_len);
1615                 break;
1616         default:
1617                 wpa_printf(MSG_DEBUG, "NDIS: Unknown StatusType %d",
1618                            (int) status->StatusType);
1619                 break;
1620         }
1621 }
1622
1623
1624 /* Called when an adapter is added */
1625 void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv)
1626 {
1627         union wpa_event_data event;
1628         int i;
1629
1630         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Arrival");
1631
1632         for (i = 0; i < 30; i++) {
1633                 /* Re-open Packet32/NDISUIO connection */
1634                 wpa_driver_ndis_adapter_close(drv);
1635                 if (wpa_driver_ndis_adapter_init(drv) < 0 ||
1636                     wpa_driver_ndis_adapter_open(drv) < 0) {
1637                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialization "
1638                                    "(%d) failed", i);
1639                         os_sleep(1, 0);
1640                 } else {
1641                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialized");
1642                         break;
1643                 }
1644         }
1645
1646         os_memset(&event, 0, sizeof(event));
1647         os_strlcpy(event.interface_status.ifname, drv->ifname,
1648                    sizeof(event.interface_status.ifname));
1649         event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1650         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1651 }
1652
1653
1654 /* Called when an adapter is removed */
1655 void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv)
1656 {
1657         union wpa_event_data event;
1658
1659         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Removal");
1660         os_memset(&event, 0, sizeof(event));
1661         os_strlcpy(event.interface_status.ifname, drv->ifname,
1662                    sizeof(event.interface_status.ifname));
1663         event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1664         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1665 }
1666
1667
1668 static void
1669 wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data *drv)
1670 {
1671         wpa_printf(MSG_DEBUG, "NDIS: verifying driver WPA capability");
1672
1673         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA) == 0 &&
1674             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPA) {
1675                 wpa_printf(MSG_DEBUG, "NDIS: WPA key management supported");
1676                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1677         }
1678
1679         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPAPSK) == 0 &&
1680             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPAPSK) {
1681                 wpa_printf(MSG_DEBUG, "NDIS: WPA-PSK key management "
1682                            "supported");
1683                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1684         }
1685
1686         if (ndis_set_encr_status(drv, Ndis802_11Encryption3Enabled) == 0 &&
1687             ndis_get_encr_status(drv) == Ndis802_11Encryption3KeyAbsent) {
1688                 wpa_printf(MSG_DEBUG, "NDIS: CCMP encryption supported");
1689                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1690         }
1691
1692         if (ndis_set_encr_status(drv, Ndis802_11Encryption2Enabled) == 0 &&
1693             ndis_get_encr_status(drv) == Ndis802_11Encryption2KeyAbsent) {
1694                 wpa_printf(MSG_DEBUG, "NDIS: TKIP encryption supported");
1695                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1696         }
1697
1698         if (ndis_set_encr_status(drv, Ndis802_11Encryption1Enabled) == 0 &&
1699             ndis_get_encr_status(drv) == Ndis802_11Encryption1KeyAbsent) {
1700                 wpa_printf(MSG_DEBUG, "NDIS: WEP encryption supported");
1701                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1702                         WPA_DRIVER_CAPA_ENC_WEP104;
1703         }
1704
1705         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeShared) == 0 &&
1706             ndis_get_auth_mode(drv) == Ndis802_11AuthModeShared) {
1707                 drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1708         }
1709
1710         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeOpen) == 0 &&
1711             ndis_get_auth_mode(drv) == Ndis802_11AuthModeOpen) {
1712                 drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1713         }
1714
1715         ndis_set_encr_status(drv, Ndis802_11EncryptionDisabled);
1716
1717         /* Could also verify OID_802_11_ADD_KEY error reporting and
1718          * support for OID_802_11_ASSOCIATION_INFORMATION. */
1719
1720         if (drv->capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA &&
1721             drv->capa.enc & (WPA_DRIVER_CAPA_ENC_TKIP |
1722                              WPA_DRIVER_CAPA_ENC_CCMP)) {
1723                 wpa_printf(MSG_DEBUG, "NDIS: driver supports WPA");
1724                 drv->has_capability = 1;
1725         } else {
1726                 wpa_printf(MSG_DEBUG, "NDIS: no WPA support found");
1727         }
1728
1729         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1730                    "enc 0x%x auth 0x%x",
1731                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1732 }
1733
1734
1735 static void wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data *drv)
1736 {
1737         char buf[512];
1738         int len;
1739         size_t i;
1740         NDIS_802_11_CAPABILITY *c;
1741
1742         drv->capa.flags = WPA_DRIVER_FLAGS_DRIVER_IE;
1743
1744         len = ndis_get_oid(drv, OID_802_11_CAPABILITY, buf, sizeof(buf));
1745         if (len < 0) {
1746                 wpa_driver_ndis_get_wpa_capability(drv);
1747                 return;
1748         }
1749
1750         wpa_hexdump(MSG_MSGDUMP, "OID_802_11_CAPABILITY", (u8 *) buf, len);
1751         c = (NDIS_802_11_CAPABILITY *) buf;
1752         if (len < sizeof(*c) || c->Version != 2) {
1753                 wpa_printf(MSG_DEBUG, "NDIS: unsupported "
1754                            "OID_802_11_CAPABILITY data");
1755                 return;
1756         }
1757         wpa_printf(MSG_DEBUG, "NDIS: Driver supports OID_802_11_CAPABILITY - "
1758                    "NoOfPMKIDs %d NoOfAuthEncrPairs %d",
1759                    (int) c->NoOfPMKIDs,
1760                    (int) c->NoOfAuthEncryptPairsSupported);
1761         drv->has_capability = 1;
1762         drv->no_of_pmkid = c->NoOfPMKIDs;
1763         for (i = 0; i < c->NoOfAuthEncryptPairsSupported; i++) {
1764                 NDIS_802_11_AUTHENTICATION_ENCRYPTION *ae;
1765                 ae = &c->AuthenticationEncryptionSupported[i];
1766                 if ((char *) (ae + 1) > buf + len) {
1767                         wpa_printf(MSG_DEBUG, "NDIS: auth/encr pair list "
1768                                    "overflow");
1769                         break;
1770                 }
1771                 wpa_printf(MSG_MSGDUMP, "NDIS: %d - auth %d encr %d",
1772                            i, (int) ae->AuthModeSupported,
1773                            (int) ae->EncryptStatusSupported);
1774                 switch (ae->AuthModeSupported) {
1775                 case Ndis802_11AuthModeOpen:
1776                         drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1777                         break;
1778                 case Ndis802_11AuthModeShared:
1779                         drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1780                         break;
1781                 case Ndis802_11AuthModeWPA:
1782                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1783                         break;
1784                 case Ndis802_11AuthModeWPAPSK:
1785                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1786                         break;
1787                 case Ndis802_11AuthModeWPA2:
1788                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
1789                         break;
1790                 case Ndis802_11AuthModeWPA2PSK:
1791                         drv->capa.key_mgmt |=
1792                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1793                         break;
1794                 case Ndis802_11AuthModeWPANone:
1795                         drv->capa.key_mgmt |=
1796                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
1797                         break;
1798                 default:
1799                         break;
1800                 }
1801                 switch (ae->EncryptStatusSupported) {
1802                 case Ndis802_11Encryption1Enabled:
1803                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40;
1804                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP104;
1805                         break;
1806                 case Ndis802_11Encryption2Enabled:
1807                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1808                         break;
1809                 case Ndis802_11Encryption3Enabled:
1810                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1811                         break;
1812                 default:
1813                         break;
1814                 }
1815         }
1816
1817         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1818                    "enc 0x%x auth 0x%x",
1819                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1820 }
1821
1822
1823 static int wpa_driver_ndis_get_capa(void *priv, struct wpa_driver_capa *capa)
1824 {
1825         struct wpa_driver_ndis_data *drv = priv;
1826         if (!drv->has_capability)
1827                 return -1;
1828         os_memcpy(capa, &drv->capa, sizeof(*capa));
1829         return 0;
1830 }
1831
1832
1833 static const char * wpa_driver_ndis_get_ifname(void *priv)
1834 {
1835         struct wpa_driver_ndis_data *drv = priv;
1836         return drv->ifname;
1837 }
1838
1839
1840 static const u8 * wpa_driver_ndis_get_mac_addr(void *priv)
1841 {
1842         struct wpa_driver_ndis_data *drv = priv;
1843         return drv->own_addr;
1844 }
1845
1846
1847 #ifdef _WIN32_WCE
1848
1849 #define NDISUIO_MSG_SIZE (sizeof(NDISUIO_DEVICE_NOTIFICATION) + 512)
1850
1851 static void ndisuio_notification_receive(void *eloop_data, void *user_ctx)
1852 {
1853         struct wpa_driver_ndis_data *drv = eloop_data;
1854         NDISUIO_DEVICE_NOTIFICATION *hdr;
1855         u8 buf[NDISUIO_MSG_SIZE];
1856         DWORD len, flags;
1857
1858         if (!ReadMsgQueue(drv->event_queue, buf, NDISUIO_MSG_SIZE, &len, 0,
1859                           &flags)) {
1860                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1861                            "ReadMsgQueue failed: %d", (int) GetLastError());
1862                 return;
1863         }
1864
1865         if (len < sizeof(NDISUIO_DEVICE_NOTIFICATION)) {
1866                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1867                            "Too short message (len=%d)", (int) len);
1868                 return;
1869         }
1870
1871         hdr = (NDISUIO_DEVICE_NOTIFICATION *) buf;
1872         wpa_printf(MSG_DEBUG, "NDIS: Notification received: len=%d type=0x%x",
1873                    (int) len, hdr->dwNotificationType);
1874
1875         switch (hdr->dwNotificationType) {
1876 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1877         case NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL:
1878                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_ARRIVAL");
1879                 wpa_driver_ndis_event_adapter_arrival(drv);
1880                 break;
1881 #endif
1882 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1883         case NDISUIO_NOTIFICATION_ADAPTER_REMOVAL:
1884                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_REMOVAL");
1885                 wpa_driver_ndis_event_adapter_removal(drv);
1886                 break;
1887 #endif
1888         case NDISUIO_NOTIFICATION_MEDIA_CONNECT:
1889                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_CONNECT");
1890                 SetEvent(drv->connected_event);
1891                 wpa_driver_ndis_event_connect(drv);
1892                 break;
1893         case NDISUIO_NOTIFICATION_MEDIA_DISCONNECT:
1894                 ResetEvent(drv->connected_event);
1895                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_DISCONNECT");
1896                 wpa_driver_ndis_event_disconnect(drv);
1897                 break;
1898         case NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION:
1899                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_SPECIFIC_NOTIFICATION");
1900 #if _WIN32_WCE == 420 || _WIN32_WCE == 0x420
1901                 wpa_driver_ndis_event_media_specific(
1902                         drv, hdr->pvStatusBuffer, hdr->uiStatusBufferSize);
1903 #else
1904                 wpa_driver_ndis_event_media_specific(
1905                         drv, ((const u8 *) hdr) + hdr->uiOffsetToStatusBuffer,
1906                         (size_t) hdr->uiStatusBufferSize);
1907 #endif
1908                 break;
1909         default:
1910                 wpa_printf(MSG_DEBUG, "NDIS: Unknown notification type 0x%x",
1911                            hdr->dwNotificationType);
1912                 break;
1913         }
1914 }
1915
1916
1917 static void ndisuio_notification_deinit(struct wpa_driver_ndis_data *drv)
1918 {
1919         NDISUIO_REQUEST_NOTIFICATION req;
1920
1921         memset(&req, 0, sizeof(req));
1922         req.hMsgQueue = drv->event_queue;
1923         req.dwNotificationTypes = 0;
1924
1925         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1926                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
1927                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1928                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1929                            (int) GetLastError());
1930         }
1931
1932         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_CANCEL_NOTIFICATION,
1933                              NULL, 0, NULL, 0, NULL, NULL)) {
1934                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1935                            "IOCTL_NDISUIO_CANCEL_NOTIFICATION failed: %d",
1936                            (int) GetLastError());
1937         }
1938
1939         if (drv->event_queue) {
1940                 eloop_unregister_event(drv->event_queue,
1941                                        sizeof(drv->event_queue));
1942                 CloseHandle(drv->event_queue);
1943                 drv->event_queue = NULL;
1944         }
1945
1946         if (drv->connected_event) {
1947                 CloseHandle(drv->connected_event);
1948                 drv->connected_event = NULL;
1949         }
1950 }
1951
1952
1953 static int ndisuio_notification_init(struct wpa_driver_ndis_data *drv)
1954 {
1955         MSGQUEUEOPTIONS opt;
1956         NDISUIO_REQUEST_NOTIFICATION req;
1957
1958         drv->connected_event =
1959                 CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
1960         if (drv->connected_event == NULL) {
1961                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1962                            "CreateEvent failed: %d",
1963                            (int) GetLastError());
1964                 return -1;
1965         }
1966
1967         memset(&opt, 0, sizeof(opt));
1968         opt.dwSize = sizeof(opt);
1969         opt.dwMaxMessages = 5;
1970         opt.cbMaxMessage = NDISUIO_MSG_SIZE;
1971         opt.bReadAccess = TRUE;
1972
1973         drv->event_queue = CreateMsgQueue(NULL, &opt);
1974         if (drv->event_queue == NULL) {
1975                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1976                            "CreateMsgQueue failed: %d",
1977                            (int) GetLastError());
1978                 ndisuio_notification_deinit(drv);
1979                 return -1;
1980         }
1981
1982         memset(&req, 0, sizeof(req));
1983         req.hMsgQueue = drv->event_queue;
1984         req.dwNotificationTypes =
1985 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1986                 NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL |
1987 #endif
1988 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1989                 NDISUIO_NOTIFICATION_ADAPTER_REMOVAL |
1990 #endif
1991                 NDISUIO_NOTIFICATION_MEDIA_CONNECT |
1992                 NDISUIO_NOTIFICATION_MEDIA_DISCONNECT |
1993                 NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION;
1994
1995         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1996                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
1997                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1998                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1999                            (int) GetLastError());
2000                 ndisuio_notification_deinit(drv);
2001                 return -1;
2002         }
2003
2004         eloop_register_event(drv->event_queue, sizeof(drv->event_queue),
2005                              ndisuio_notification_receive, drv, NULL);
2006
2007         return 0;
2008 }
2009 #endif /* _WIN32_WCE */
2010
2011
2012 static int wpa_driver_ndis_get_names(struct wpa_driver_ndis_data *drv)
2013 {
2014 #ifdef CONFIG_USE_NDISUIO
2015         NDISUIO_QUERY_BINDING *b;
2016         size_t blen = sizeof(*b) + 1024;
2017         int i, error, found = 0;
2018         DWORD written;
2019         char name[256], desc[256], *dpos;
2020         WCHAR *pos;
2021         size_t j, len, dlen;
2022
2023         b = os_malloc(blen);
2024         if (b == NULL)
2025                 return -1;
2026
2027         for (i = 0; ; i++) {
2028                 os_memset(b, 0, blen);
2029                 b->BindingIndex = i;
2030                 if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
2031                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
2032                                      &written, NULL)) {
2033                         error = (int) GetLastError();
2034                         if (error == ERROR_NO_MORE_ITEMS)
2035                                 break;
2036                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
2037                                    "failed: %d", error);
2038                         break;
2039                 }
2040
2041                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
2042                 len = b->DeviceNameLength;
2043                 if (len >= sizeof(name))
2044                         len = sizeof(name) - 1;
2045                 for (j = 0; j < len; j++)
2046                         name[j] = (char) pos[j];
2047                 name[len] = '\0';
2048
2049                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
2050                 len = b->DeviceDescrLength;
2051                 if (len >= sizeof(desc))
2052                         len = sizeof(desc) - 1;
2053                 for (j = 0; j < len; j++)
2054                         desc[j] = (char) pos[j];
2055                 desc[len] = '\0';
2056
2057                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
2058
2059                 if (os_strstr(name, drv->ifname)) {
2060                         wpa_printf(MSG_DEBUG, "NDIS: Interface name match");
2061                         found = 1;
2062                         break;
2063                 }
2064
2065                 if (os_strncmp(desc, drv->ifname, os_strlen(drv->ifname)) == 0)
2066                 {
2067                         wpa_printf(MSG_DEBUG, "NDIS: Interface description "
2068                                    "match");
2069                         found = 1;
2070                         break;
2071                 }
2072         }
2073
2074         if (!found) {
2075                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2076                            drv->ifname);
2077                 os_free(b);
2078                 return -1;
2079         }
2080
2081         os_strlcpy(drv->ifname,
2082                    os_strncmp(name, "\\DEVICE\\", 8) == 0 ? name + 8 : name,
2083                    sizeof(drv->ifname));
2084 #ifdef _WIN32_WCE
2085         drv->adapter_name = wpa_strdup_tchar(drv->ifname);
2086         if (drv->adapter_name == NULL) {
2087                 wpa_printf(MSG_ERROR, "NDIS: Failed to allocate memory for "
2088                            "adapter name");
2089                 os_free(b);
2090                 return -1;
2091         }
2092 #endif /* _WIN32_WCE */
2093
2094         dpos = os_strstr(desc, " - ");
2095         if (dpos)
2096                 dlen = dpos - desc;
2097         else
2098                 dlen = os_strlen(desc);
2099         drv->adapter_desc = os_malloc(dlen + 1);
2100         if (drv->adapter_desc) {
2101                 os_memcpy(drv->adapter_desc, desc, dlen);
2102                 drv->adapter_desc[dlen] = '\0';
2103         }
2104
2105         os_free(b);
2106
2107         if (drv->adapter_desc == NULL)
2108                 return -1;
2109
2110         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2111                    drv->adapter_desc);
2112
2113         return 0;
2114 #else /* CONFIG_USE_NDISUIO */
2115         PTSTR _names;
2116         char *names, *pos, *pos2;
2117         ULONG len;
2118         BOOLEAN res;
2119 #define MAX_ADAPTERS 32
2120         char *name[MAX_ADAPTERS];
2121         char *desc[MAX_ADAPTERS];
2122         int num_name, num_desc, i, found_name, found_desc;
2123         size_t dlen;
2124
2125         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
2126                    PacketGetVersion());
2127
2128         len = 8192;
2129         _names = os_zalloc(len);
2130         if (_names == NULL)
2131                 return -1;
2132
2133         res = PacketGetAdapterNames(_names, &len);
2134         if (!res && len > 8192) {
2135                 os_free(_names);
2136                 _names = os_zalloc(len);
2137                 if (_names == NULL)
2138                         return -1;
2139                 res = PacketGetAdapterNames(_names, &len);
2140         }
2141
2142         if (!res) {
2143                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
2144                            "(PacketGetAdapterNames)");
2145                 os_free(_names);
2146                 return -1;
2147         }
2148
2149         names = (char *) _names;
2150         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
2151                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
2152                            "UNICODE");
2153                 /* Convert to ASCII */
2154                 pos2 = pos = names;
2155                 while (pos2 < names + len) {
2156                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
2157                             pos2[2] == '\0' && pos2[3] == '\0') {
2158                                 pos2 += 4;
2159                                 break;
2160                         }
2161                         *pos++ = pos2[0];
2162                         pos2 += 2;
2163                 }
2164                 os_memcpy(pos + 2, names, pos - names);
2165                 pos += 2;
2166         } else
2167                 pos = names;
2168
2169         num_name = 0;
2170         while (pos < names + len) {
2171                 name[num_name] = pos;
2172                 while (*pos && pos < names + len)
2173                         pos++;
2174                 if (pos + 1 >= names + len) {
2175                         os_free(names);
2176                         return -1;
2177                 }
2178                 pos++;
2179                 num_name++;
2180                 if (num_name >= MAX_ADAPTERS) {
2181                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
2182                         os_free(names);
2183                         return -1;
2184                 }
2185                 if (*pos == '\0') {
2186                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
2187                                    num_name);
2188                         pos++;
2189                         break;
2190                 }
2191         }
2192
2193         num_desc = 0;
2194         while (pos < names + len) {
2195                 desc[num_desc] = pos;
2196                 while (*pos && pos < names + len)
2197                         pos++;
2198                 if (pos + 1 >= names + len) {
2199                         os_free(names);
2200                         return -1;
2201                 }
2202                 pos++;
2203                 num_desc++;
2204                 if (num_desc >= MAX_ADAPTERS) {
2205                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
2206                                    "descriptions");
2207                         os_free(names);
2208                         return -1;
2209                 }
2210                 if (*pos == '\0') {
2211                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
2212                                    "found", num_name);
2213                         pos++;
2214                         break;
2215                 }
2216         }
2217
2218         /*
2219          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
2220          * descriptions. Fill in dummy descriptors to work around this.
2221          */
2222         while (num_desc < num_name)
2223                 desc[num_desc++] = "dummy description";
2224
2225         if (num_name != num_desc) {
2226                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
2227                            "description counts (%d != %d)",
2228                            num_name, num_desc);
2229                 os_free(names);
2230                 return -1;
2231         }
2232
2233         found_name = found_desc = -1;
2234         for (i = 0; i < num_name; i++) {
2235                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s",
2236                            i, name[i], desc[i]);
2237                 if (found_name == -1 && os_strstr(name[i], drv->ifname))
2238                         found_name = i;
2239                 if (found_desc == -1 &&
2240                     os_strncmp(desc[i], drv->ifname, os_strlen(drv->ifname)) ==
2241                     0)
2242                         found_desc = i;
2243         }
2244
2245         if (found_name < 0 && found_desc >= 0) {
2246                 wpa_printf(MSG_DEBUG, "NDIS: Matched interface '%s' based on "
2247                            "description '%s'",
2248                            name[found_desc], desc[found_desc]);
2249                 found_name = found_desc;
2250                 os_strlcpy(drv->ifname,
2251                            os_strncmp(name[found_desc], "\\Device\\NPF_", 12)
2252                            == 0 ? name[found_desc] + 12 : name[found_desc],
2253                            sizeof(drv->ifname));
2254         }
2255
2256         if (found_name < 0) {
2257                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2258                            drv->ifname);
2259                 os_free(names);
2260                 return -1;
2261         }
2262
2263         i = found_name;
2264         pos = os_strrchr(desc[i], '(');
2265         if (pos) {
2266                 dlen = pos - desc[i];
2267                 pos--;
2268                 if (pos > desc[i] && *pos == ' ')
2269                         dlen--;
2270         } else {
2271                 dlen = os_strlen(desc[i]);
2272         }
2273         drv->adapter_desc = os_malloc(dlen + 1);
2274         if (drv->adapter_desc) {
2275                 os_memcpy(drv->adapter_desc, desc[i], dlen);
2276                 drv->adapter_desc[dlen] = '\0';
2277         }
2278
2279         os_free(names);
2280
2281         if (drv->adapter_desc == NULL)
2282                 return -1;
2283
2284         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2285                    drv->adapter_desc);
2286
2287         return 0;
2288 #endif /* CONFIG_USE_NDISUIO */
2289 }
2290
2291
2292 #if defined(CONFIG_NATIVE_WINDOWS) || defined(__CYGWIN__)
2293 #ifndef _WIN32_WCE
2294 /*
2295  * These structures are undocumented for WinXP; only WinCE version is
2296  * documented. These would be included wzcsapi.h if it were available. Some
2297  * changes here have been needed to make the structures match with WinXP SP2.
2298  * It is unclear whether these work with any other version.
2299  */
2300
2301 typedef struct {
2302         LPWSTR wszGuid;
2303 } INTF_KEY_ENTRY, *PINTF_KEY_ENTRY;
2304
2305 typedef struct {
2306         DWORD dwNumIntfs;
2307         PINTF_KEY_ENTRY pIntfs;
2308 } INTFS_KEY_TABLE, *PINTFS_KEY_TABLE;
2309
2310 typedef struct {
2311         DWORD dwDataLen;
2312         LPBYTE pData;
2313 } RAW_DATA, *PRAW_DATA;
2314
2315 typedef struct {
2316         LPWSTR wszGuid;
2317         LPWSTR wszDescr;
2318         ULONG ulMediaState;
2319         ULONG ulMediaType;
2320         ULONG ulPhysicalMediaType;
2321         INT nInfraMode;
2322         INT nAuthMode;
2323         INT nWepStatus;
2324 #ifndef _WIN32_WCE
2325         u8 pad[2]; /* why is this needed? */
2326 #endif /* _WIN32_WCE */
2327         DWORD dwCtlFlags;
2328         DWORD dwCapabilities; /* something added for WinXP SP2(?) */
2329         RAW_DATA rdSSID;
2330         RAW_DATA rdBSSID;
2331         RAW_DATA rdBSSIDList;
2332         RAW_DATA rdStSSIDList;
2333         RAW_DATA rdCtrlData;
2334 #ifdef UNDER_CE
2335         BOOL bInitialized;
2336 #endif
2337         DWORD nWPAMCastCipher;
2338         /* add some extra buffer for later additions since this interface is
2339          * far from stable */
2340         u8 later_additions[100];
2341 } INTF_ENTRY, *PINTF_ENTRY;
2342
2343 #define INTF_ALL 0xffffffff
2344 #define INTF_ALL_FLAGS 0x0000ffff
2345 #define INTF_CTLFLAGS 0x00000010
2346 #define INTFCTL_ENABLED 0x8000
2347 #endif /* _WIN32_WCE */
2348
2349
2350 #ifdef _WIN32_WCE
2351 static int wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data *drv)
2352 {
2353         HANDLE ndis;
2354         TCHAR multi[100];
2355         int len;
2356
2357         len = _tcslen(drv->adapter_name);
2358         if (len > 80)
2359                 return -1;
2360
2361         ndis = CreateFile(DD_NDIS_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE,
2362                           0, NULL, OPEN_EXISTING, 0, NULL);
2363         if (ndis == INVALID_HANDLE_VALUE) {
2364                 wpa_printf(MSG_DEBUG, "NDIS: Failed to open file to NDIS "
2365                            "device: %d", (int) GetLastError());
2366                 return -1;
2367         }
2368
2369         len++;
2370         memcpy(multi, drv->adapter_name, len * sizeof(TCHAR));
2371         memcpy(&multi[len], TEXT("NDISUIO\0"), 9 * sizeof(TCHAR));
2372         len += 9;
2373
2374         if (!DeviceIoControl(ndis, IOCTL_NDIS_REBIND_ADAPTER,
2375                              multi, len * sizeof(TCHAR), NULL, 0, NULL, NULL))
2376         {
2377                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDIS_REBIND_ADAPTER "
2378                            "failed: 0x%x", (int) GetLastError());
2379                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: rebind multi_sz",
2380                                   (u8 *) multi, len * sizeof(TCHAR));
2381                 CloseHandle(ndis);
2382                 return -1;
2383         }
2384
2385         CloseHandle(ndis);
2386
2387         wpa_printf(MSG_DEBUG, "NDIS: Requested NDIS rebind of NDISUIO "
2388                    "protocol");
2389
2390         return 0;
2391 }
2392 #endif /* _WIN32_WCE */
2393
2394
2395 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2396                                    int enable)
2397 {
2398 #ifdef _WIN32_WCE
2399         HKEY hk, hk2;
2400         LONG ret;
2401         DWORD i, hnd, len;
2402         TCHAR keyname[256], devname[256];
2403
2404 #define WZC_DRIVER TEXT("Drivers\\BuiltIn\\ZeroConfig")
2405
2406         if (enable) {
2407                 HANDLE h;
2408                 h = ActivateDeviceEx(WZC_DRIVER, NULL, 0, NULL);
2409                 if (h == INVALID_HANDLE_VALUE || h == 0) {
2410                         wpa_printf(MSG_DEBUG, "NDIS: Failed to re-enable WZC "
2411                                    "- ActivateDeviceEx failed: %d",
2412                                    (int) GetLastError());
2413                         return -1;
2414                 }
2415
2416                 wpa_printf(MSG_DEBUG, "NDIS: WZC re-enabled");
2417                 return wpa_driver_ndis_rebind_adapter(drv);
2418         }
2419
2420         /*
2421          * Unfortunately, just disabling the WZC for an interface is not enough
2422          * to free NDISUIO for us, so need to disable and unload WZC completely
2423          * for now when using WinCE with NDISUIO. In addition, must request
2424          * NDISUIO protocol to be rebound to the adapter in order to free the
2425          * NDISUIO binding that WZC hold before us.
2426          */
2427
2428         /* Enumerate HKLM\Drivers\Active\* to find a handle to WZC. */
2429         ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, DEVLOAD_ACTIVE_KEY, 0, 0, &hk);
2430         if (ret != ERROR_SUCCESS) {
2431                 wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(DEVLOAD_ACTIVE_KEY) "
2432                            "failed: %d %d", (int) ret, (int) GetLastError());
2433                 return -1;
2434         }
2435
2436         for (i = 0; ; i++) {
2437                 len = sizeof(keyname);
2438                 ret = RegEnumKeyEx(hk, i, keyname, &len, NULL, NULL, NULL,
2439                                    NULL);
2440                 if (ret != ERROR_SUCCESS) {
2441                         wpa_printf(MSG_DEBUG, "NDIS: Could not find active "
2442                                    "WZC - assuming it is not running.");
2443                         RegCloseKey(hk);
2444                         return -1;
2445                 }
2446
2447                 ret = RegOpenKeyEx(hk, keyname, 0, 0, &hk2);
2448                 if (ret != ERROR_SUCCESS) {
2449                         wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(active dev) "
2450                                    "failed: %d %d",
2451                                    (int) ret, (int) GetLastError());
2452                         continue;
2453                 }
2454
2455                 len = sizeof(devname);
2456                 ret = RegQueryValueEx(hk2, DEVLOAD_DEVKEY_VALNAME, NULL, NULL,
2457                                       (LPBYTE) devname, &len);
2458                 if (ret != ERROR_SUCCESS) {
2459                         wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx("
2460                                    "DEVKEY_VALNAME) failed: %d %d",
2461                                    (int) ret, (int) GetLastError());
2462                         RegCloseKey(hk2);
2463                         continue;
2464                 }
2465
2466                 if (_tcscmp(devname, WZC_DRIVER) == 0)
2467                         break;
2468
2469                 RegCloseKey(hk2);
2470         }
2471
2472         RegCloseKey(hk);
2473
2474         /* Found WZC - get handle to it. */
2475         len = sizeof(hnd);
2476         ret = RegQueryValueEx(hk2, DEVLOAD_HANDLE_VALNAME, NULL, NULL,
2477                               (PUCHAR) &hnd, &len);
2478         if (ret != ERROR_SUCCESS) {
2479                 wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx(HANDLE_VALNAME) "
2480                            "failed: %d %d", (int) ret, (int) GetLastError());
2481                 RegCloseKey(hk2);
2482                 return -1;
2483         }
2484
2485         RegCloseKey(hk2);
2486
2487         /* Deactivate WZC */
2488         if (!DeactivateDevice((HANDLE) hnd)) {
2489                 wpa_printf(MSG_DEBUG, "NDIS: DeactivateDevice failed: %d",
2490                            (int) GetLastError());
2491                 return -1;
2492         }
2493
2494         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily");
2495         drv->wzc_disabled = 1;
2496         return wpa_driver_ndis_rebind_adapter(drv);
2497
2498 #else /* _WIN32_WCE */
2499
2500         HMODULE hm;
2501         DWORD (WINAPI *wzc_enum_interf)(LPWSTR pSrvAddr,
2502                                         PINTFS_KEY_TABLE pIntfs);
2503         DWORD (WINAPI *wzc_query_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2504                                          PINTF_ENTRY pIntf,
2505                                          LPDWORD pdwOutFlags);
2506         DWORD (WINAPI *wzc_set_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2507                                        PINTF_ENTRY pIntf, LPDWORD pdwOutFlags);
2508         int ret = -1, j;
2509         DWORD res;
2510         INTFS_KEY_TABLE guids;
2511         INTF_ENTRY intf;
2512         char guid[128];
2513         WCHAR *pos;
2514         DWORD flags, i;
2515
2516         hm = LoadLibrary(TEXT("wzcsapi.dll"));
2517         if (hm == NULL) {
2518                 wpa_printf(MSG_DEBUG, "NDIS: Failed to load wzcsapi.dll (%u) "
2519                            "- WZC probably not running",
2520                            (unsigned int) GetLastError());
2521                 return -1;
2522         }
2523
2524 #ifdef _WIN32_WCE
2525         wzc_enum_interf = (void *) GetProcAddressA(hm, "WZCEnumInterfaces");
2526         wzc_query_interf = (void *) GetProcAddressA(hm, "WZCQueryInterface");
2527         wzc_set_interf = (void *) GetProcAddressA(hm, "WZCSetInterface");
2528 #else /* _WIN32_WCE */
2529         wzc_enum_interf = (void *) GetProcAddress(hm, "WZCEnumInterfaces");
2530         wzc_query_interf = (void *) GetProcAddress(hm, "WZCQueryInterface");
2531         wzc_set_interf = (void *) GetProcAddress(hm, "WZCSetInterface");
2532 #endif /* _WIN32_WCE */
2533
2534         if (wzc_enum_interf == NULL || wzc_query_interf == NULL ||
2535             wzc_set_interf == NULL) {
2536                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces, "
2537                            "WZCQueryInterface, or WZCSetInterface not found "
2538                            "in wzcsapi.dll");
2539                 goto fail;
2540         }
2541
2542         os_memset(&guids, 0, sizeof(guids));
2543         res = wzc_enum_interf(NULL, &guids);
2544         if (res != 0) {
2545                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces failed: %d; "
2546                            "WZC service is apparently not running",
2547                            (int) res);
2548                 goto fail;
2549         }
2550
2551         wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces: %d interfaces",
2552                    (int) guids.dwNumIntfs);
2553
2554         for (i = 0; i < guids.dwNumIntfs; i++) {
2555                 pos = guids.pIntfs[i].wszGuid;
2556                 for (j = 0; j < sizeof(guid); j++) {
2557                         guid[j] = (char) *pos;
2558                         if (*pos == 0)
2559                                 break;
2560                         pos++;
2561                 }
2562                 guid[sizeof(guid) - 1] = '\0';
2563                 wpa_printf(MSG_DEBUG, "NDIS: intfs %d GUID '%s'",
2564                            (int) i, guid);
2565                 if (os_strstr(drv->ifname, guid) == NULL)
2566                         continue;
2567
2568                 wpa_printf(MSG_DEBUG, "NDIS: Current interface found from "
2569                            "WZC");
2570                 break;
2571         }
2572
2573         if (i >= guids.dwNumIntfs) {
2574                 wpa_printf(MSG_DEBUG, "NDIS: Current interface not found from "
2575                            "WZC");
2576                 goto fail;
2577         }
2578
2579         os_memset(&intf, 0, sizeof(intf));
2580         intf.wszGuid = guids.pIntfs[i].wszGuid;
2581         /* Set flags to verify that the structure has not changed. */
2582         intf.dwCtlFlags = -1;
2583         flags = 0;
2584         res = wzc_query_interf(NULL, INTFCTL_ENABLED, &intf, &flags);
2585         if (res != 0) {
2586                 wpa_printf(MSG_DEBUG, "NDIS: Could not query flags for the "
2587                            "WZC interface: %d (0x%x)",
2588                            (int) res, (int) res);
2589                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2590                            (unsigned int) GetLastError());
2591                 goto fail;
2592         }
2593
2594         wpa_printf(MSG_DEBUG, "NDIS: WZC interface flags 0x%x dwCtlFlags 0x%x",
2595                    (int) flags, (int) intf.dwCtlFlags);
2596
2597         if (intf.dwCtlFlags == -1) {
2598                 wpa_printf(MSG_DEBUG, "NDIS: Looks like wzcsapi has changed "
2599                            "again - could not disable WZC");
2600                 wpa_hexdump(MSG_MSGDUMP, "NDIS: intf",
2601                             (u8 *) &intf, sizeof(intf));
2602                 goto fail;
2603         }
2604
2605         if (enable) {
2606                 if (!(intf.dwCtlFlags & INTFCTL_ENABLED)) {
2607                         wpa_printf(MSG_DEBUG, "NDIS: Enabling WZC for this "
2608                                    "interface");
2609                         intf.dwCtlFlags |= INTFCTL_ENABLED;
2610                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2611                                              &flags);
2612                         if (res != 0) {
2613                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to enable "
2614                                            "WZC: %d (0x%x)",
2615                                            (int) res, (int) res);
2616                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2617                                            (unsigned int) GetLastError());
2618                                 goto fail;
2619                         }
2620                         wpa_printf(MSG_DEBUG, "NDIS: Re-enabled WZC for this "
2621                                    "interface");
2622                         drv->wzc_disabled = 0;
2623                 }
2624         } else {
2625                 if (intf.dwCtlFlags & INTFCTL_ENABLED) {
2626                         wpa_printf(MSG_DEBUG, "NDIS: Disabling WZC for this "
2627                                    "interface");
2628                         intf.dwCtlFlags &= ~INTFCTL_ENABLED;
2629                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2630                                              &flags);
2631                         if (res != 0) {
2632                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to "
2633                                            "disable WZC: %d (0x%x)",
2634                                            (int) res, (int) res);
2635                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2636                                            (unsigned int) GetLastError());
2637                                 goto fail;
2638                         }
2639                         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily "
2640                                    "for this interface");
2641                         drv->wzc_disabled = 1;
2642                 } else {
2643                         wpa_printf(MSG_DEBUG, "NDIS: WZC was not enabled for "
2644                                    "this interface");
2645                 }
2646         }
2647
2648         ret = 0;
2649
2650 fail:
2651         FreeLibrary(hm);
2652
2653         return ret;
2654 #endif /* _WIN32_WCE */
2655 }
2656
2657 #else /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2658
2659 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2660                                    int enable)
2661 {
2662         return 0;
2663 }
2664
2665 #endif /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2666
2667
2668 #ifdef CONFIG_USE_NDISUIO
2669 /*
2670  * l2_packet_ndis.c is sharing the same handle to NDISUIO, so we must be able
2671  * to export this handle. This is somewhat ugly, but there is no better
2672  * mechanism available to pass data from driver interface to l2_packet wrapper.
2673  */
2674 static HANDLE driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2675
2676 HANDLE driver_ndis_get_ndisuio_handle(void)
2677 {
2678         return driver_ndis_ndisuio_handle;
2679 }
2680 #endif /* CONFIG_USE_NDISUIO */
2681
2682
2683 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv)
2684 {
2685 #ifdef CONFIG_USE_NDISUIO
2686 #ifndef _WIN32_WCE
2687 #define NDISUIO_DEVICE_NAME TEXT("\\\\.\\\\Ndisuio")
2688         DWORD written;
2689 #endif /* _WIN32_WCE */
2690         drv->ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2691                                   GENERIC_READ | GENERIC_WRITE, 0, NULL,
2692                                   OPEN_EXISTING,
2693                                   FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2694                                   INVALID_HANDLE_VALUE);
2695         if (drv->ndisuio == INVALID_HANDLE_VALUE) {
2696                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2697                            "NDISUIO: %d", (int) GetLastError());
2698                 return -1;
2699         }
2700         driver_ndis_ndisuio_handle = drv->ndisuio;
2701
2702 #ifndef _WIN32_WCE
2703         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2704                              NULL, 0, &written, NULL)) {
2705                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2706                            "%d", (int) GetLastError());
2707                 CloseHandle(drv->ndisuio);
2708                 drv->ndisuio = INVALID_HANDLE_VALUE;
2709                 return -1;
2710         }
2711 #endif /* _WIN32_WCE */
2712
2713         return 0;
2714 #else /* CONFIG_USE_NDISUIO */
2715         return 0;
2716 #endif /* CONFIG_USE_NDISUIO */
2717 }
2718
2719
2720 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv)
2721 {
2722 #ifdef CONFIG_USE_NDISUIO
2723         DWORD written;
2724 #define MAX_NDIS_DEVICE_NAME_LEN 256
2725         WCHAR ifname[MAX_NDIS_DEVICE_NAME_LEN];
2726         size_t len, i, pos;
2727         const char *prefix = "\\DEVICE\\";
2728
2729 #ifdef _WIN32_WCE
2730         pos = 0;
2731 #else /* _WIN32_WCE */
2732         pos = 8;
2733 #endif /* _WIN32_WCE */
2734         len = pos + os_strlen(drv->ifname);
2735         if (len >= MAX_NDIS_DEVICE_NAME_LEN)
2736                 return -1;
2737         for (i = 0; i < pos; i++)
2738                 ifname[i] = (WCHAR) prefix[i];
2739         for (i = pos; i < len; i++)
2740                 ifname[i] = (WCHAR) drv->ifname[i - pos];
2741         ifname[i] = L'\0';
2742
2743         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_OPEN_DEVICE,
2744                              ifname, len * sizeof(WCHAR), NULL, 0, &written,
2745                              NULL)) {
2746                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_OPEN_DEVICE "
2747                            "failed: %d", (int) GetLastError());
2748                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: ifname",
2749                                   (const u8 *) ifname, len * sizeof(WCHAR));
2750                 CloseHandle(drv->ndisuio);
2751                 drv->ndisuio = INVALID_HANDLE_VALUE;
2752                 return -1;
2753         }
2754
2755         wpa_printf(MSG_DEBUG, "NDIS: Opened NDISUIO device successfully");
2756
2757         return 0;
2758 #else /* CONFIG_USE_NDISUIO */
2759         char ifname[128];
2760         os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", drv->ifname);
2761         drv->adapter = PacketOpenAdapter(ifname);
2762         if (drv->adapter == NULL) {
2763                 wpa_printf(MSG_DEBUG, "NDIS: PacketOpenAdapter failed for "
2764                            "'%s'", ifname);
2765                 return -1;
2766         }
2767         return 0;
2768 #endif /* CONFIG_USE_NDISUIO */
2769 }
2770
2771
2772 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv)
2773 {
2774 #ifdef CONFIG_USE_NDISUIO
2775         driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2776         if (drv->ndisuio != INVALID_HANDLE_VALUE)
2777                 CloseHandle(drv->ndisuio);
2778 #else /* CONFIG_USE_NDISUIO */
2779         if (drv->adapter)
2780                 PacketCloseAdapter(drv->adapter);
2781 #endif /* CONFIG_USE_NDISUIO */
2782 }
2783
2784
2785 static int ndis_add_multicast(struct wpa_driver_ndis_data *drv)
2786 {
2787         if (ndis_set_oid(drv, OID_802_3_MULTICAST_LIST,
2788                          (const char *) pae_group_addr, ETH_ALEN) < 0) {
2789                 wpa_printf(MSG_DEBUG, "NDIS: Failed to add PAE group address "
2790                            "to the multicast list");
2791                 return -1;
2792         }
2793
2794         return 0;
2795 }
2796
2797
2798 static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
2799 {
2800         struct wpa_driver_ndis_data *drv;
2801         u32 mode;
2802
2803         drv = os_zalloc(sizeof(*drv));
2804         if (drv == NULL)
2805                 return NULL;
2806         drv->ctx = ctx;
2807         /*
2808          * Compatibility code to strip possible prefix from the GUID. Previous
2809          * versions include \Device\NPF_ prefix for all names, but the internal
2810          * interface name is now only the GUI. Both Packet32 and NDISUIO
2811          * prefixes are supported.
2812          */
2813         if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
2814                 ifname += 12;
2815         else if (os_strncmp(ifname, "\\DEVICE\\", 8) == 0)
2816                 ifname += 8;
2817         os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
2818
2819         if (wpa_driver_ndis_adapter_init(drv) < 0) {
2820                 os_free(drv);
2821                 return NULL;
2822         }
2823
2824         if (wpa_driver_ndis_get_names(drv) < 0) {
2825                 wpa_driver_ndis_adapter_close(drv);
2826                 os_free(drv);
2827                 return NULL;
2828         }
2829
2830         wpa_driver_ndis_set_wzc(drv, 0);
2831
2832         if (wpa_driver_ndis_adapter_open(drv) < 0) {
2833                 wpa_driver_ndis_adapter_close(drv);
2834                 os_free(drv);
2835                 return NULL;
2836         }
2837
2838         if (ndis_get_oid(drv, OID_802_3_CURRENT_ADDRESS,
2839                          (char *) drv->own_addr, ETH_ALEN) < 0) {
2840                 wpa_printf(MSG_DEBUG, "NDIS: Get OID_802_3_CURRENT_ADDRESS "
2841                            "failed");
2842                 wpa_driver_ndis_adapter_close(drv);
2843                 os_free(drv);
2844                 return NULL;
2845         }
2846         wpa_driver_ndis_get_capability(drv);
2847
2848         /* Make sure that the driver does not have any obsolete PMKID entries.
2849          */
2850         wpa_driver_ndis_flush_pmkid(drv);
2851
2852         /*
2853          * Disconnect to make sure that driver re-associates if it was
2854          * connected.
2855          */
2856         wpa_driver_ndis_disconnect(drv);
2857
2858         eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout, drv, NULL);
2859
2860 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2861         drv->events = ndis_events_init(&drv->events_pipe, &drv->event_avail,
2862                                        drv->ifname, drv->adapter_desc);
2863         if (drv->events == NULL) {
2864                 wpa_driver_ndis_deinit(drv);
2865                 return NULL;
2866         }
2867         eloop_register_event(drv->event_avail, sizeof(drv->event_avail),
2868                              wpa_driver_ndis_event_pipe_cb, drv, NULL);
2869 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2870
2871 #ifdef _WIN32_WCE
2872         if (ndisuio_notification_init(drv) < 0) {
2873                 wpa_driver_ndis_deinit(drv);
2874                 return NULL;
2875         }
2876 #endif /* _WIN32_WCE */
2877
2878         /* Set mode here in case card was configured for ad-hoc mode
2879          * previously. */
2880         mode = Ndis802_11Infrastructure;
2881         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
2882                          (char *) &mode, sizeof(mode)) < 0) {
2883                 char buf[8];
2884                 int res;
2885                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
2886                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
2887                            (int) mode);
2888                 /* Try to continue anyway */
2889
2890                 res = ndis_get_oid(drv, OID_DOT11_CURRENT_OPERATION_MODE, buf,
2891                                    sizeof(buf));
2892                 if (res > 0) {
2893                         wpa_printf(MSG_INFO, "NDIS: The driver seems to use "
2894                                    "Native 802.11 OIDs. These are not yet "
2895                                    "fully supported.");
2896                         drv->native80211 = 1;
2897                 } else if (!drv->has_capability || drv->capa.enc == 0) {
2898                         /*
2899                          * Note: This will also happen with NDIS 6 drivers with
2900                          * Vista.
2901                          */
2902                         wpa_printf(MSG_DEBUG, "NDIS: Driver did not provide "
2903                                    "any wireless capabilities - assume it is "
2904                                    "a wired interface");
2905                         drv->wired = 1;
2906                         drv->capa.flags |= WPA_DRIVER_FLAGS_WIRED;
2907                         drv->has_capability = 1;
2908                         ndis_add_multicast(drv);
2909                 }
2910         }
2911
2912         return drv;
2913 }
2914
2915
2916 static void wpa_driver_ndis_deinit(void *priv)
2917 {
2918         struct wpa_driver_ndis_data *drv = priv;
2919
2920 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2921         if (drv->events) {
2922                 eloop_unregister_event(drv->event_avail,
2923                                        sizeof(drv->event_avail));
2924                 ndis_events_deinit(drv->events);
2925         }
2926 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2927
2928 #ifdef _WIN32_WCE
2929         ndisuio_notification_deinit(drv);
2930 #endif /* _WIN32_WCE */
2931
2932         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
2933         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
2934         wpa_driver_ndis_flush_pmkid(drv);
2935         wpa_driver_ndis_disconnect(drv);
2936         if (wpa_driver_ndis_radio_off(drv) < 0) {
2937                 wpa_printf(MSG_DEBUG, "NDIS: failed to disassociate and turn "
2938                            "radio off");
2939         }
2940
2941         wpa_driver_ndis_adapter_close(drv);
2942
2943         if (drv->wzc_disabled)
2944                 wpa_driver_ndis_set_wzc(drv, 1);
2945
2946 #ifdef _WIN32_WCE
2947         os_free(drv->adapter_name);
2948 #endif /* _WIN32_WCE */
2949         os_free(drv->adapter_desc);
2950         os_free(drv);
2951 }
2952
2953
2954 static struct wpa_interface_info *
2955 wpa_driver_ndis_get_interfaces(void *global_priv)
2956 {
2957         struct wpa_interface_info *iface = NULL, *niface;
2958
2959 #ifdef CONFIG_USE_NDISUIO
2960         NDISUIO_QUERY_BINDING *b;
2961         size_t blen = sizeof(*b) + 1024;
2962         int i, error;
2963         DWORD written;
2964         char name[256], desc[256];
2965         WCHAR *pos;
2966         size_t j, len;
2967         HANDLE ndisuio;
2968
2969         ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2970                              GENERIC_READ | GENERIC_WRITE, 0, NULL,
2971                              OPEN_EXISTING,
2972                              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2973                              INVALID_HANDLE_VALUE);
2974         if (ndisuio == INVALID_HANDLE_VALUE) {
2975                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2976                            "NDISUIO: %d", (int) GetLastError());
2977                 return NULL;
2978         }
2979
2980 #ifndef _WIN32_WCE
2981         if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2982                              NULL, 0, &written, NULL)) {
2983                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2984                            "%d", (int) GetLastError());
2985                 CloseHandle(ndisuio);
2986                 return NULL;
2987         }
2988 #endif /* _WIN32_WCE */
2989
2990         b = os_malloc(blen);
2991         if (b == NULL) {
2992                 CloseHandle(ndisuio);
2993                 return NULL;
2994         }
2995
2996         for (i = 0; ; i++) {
2997                 os_memset(b, 0, blen);
2998                 b->BindingIndex = i;
2999                 if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
3000                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
3001                                      &written, NULL)) {
3002                         error = (int) GetLastError();
3003                         if (error == ERROR_NO_MORE_ITEMS)
3004                                 break;
3005                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
3006                                    "failed: %d", error);
3007                         break;
3008                 }
3009
3010                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
3011                 len = b->DeviceNameLength;
3012                 if (len >= sizeof(name))
3013                         len = sizeof(name) - 1;
3014                 for (j = 0; j < len; j++)
3015                         name[j] = (char) pos[j];
3016                 name[len] = '\0';
3017
3018                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
3019                 len = b->DeviceDescrLength;
3020                 if (len >= sizeof(desc))
3021                         len = sizeof(desc) - 1;
3022                 for (j = 0; j < len; j++)
3023                         desc[j] = (char) pos[j];
3024                 desc[len] = '\0';
3025
3026                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
3027
3028                 niface = os_zalloc(sizeof(*niface));
3029                 if (niface == NULL)
3030                         break;
3031                 niface->drv_name = "ndis";
3032                 if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
3033                         niface->ifname = os_strdup(name + 8);
3034                 else
3035                         niface->ifname = os_strdup(name);
3036                 if (niface->ifname == NULL) {
3037                         os_free(niface);
3038                         break;
3039                 }
3040                 niface->desc = os_strdup(desc);
3041                 niface->next = iface;
3042                 iface = niface;
3043         }
3044
3045         os_free(b);
3046         CloseHandle(ndisuio);
3047 #else /* CONFIG_USE_NDISUIO */
3048         PTSTR _names;
3049         char *names, *pos, *pos2;
3050         ULONG len;
3051         BOOLEAN res;
3052         char *name[MAX_ADAPTERS];
3053         char *desc[MAX_ADAPTERS];
3054         int num_name, num_desc, i;
3055
3056         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
3057                    PacketGetVersion());
3058
3059         len = 8192;
3060         _names = os_zalloc(len);
3061         if (_names == NULL)
3062                 return NULL;
3063
3064         res = PacketGetAdapterNames(_names, &len);
3065         if (!res && len > 8192) {
3066                 os_free(_names);
3067                 _names = os_zalloc(len);
3068                 if (_names == NULL)
3069                         return NULL;
3070                 res = PacketGetAdapterNames(_names, &len);
3071         }
3072
3073         if (!res) {
3074                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
3075                            "(PacketGetAdapterNames)");
3076                 os_free(_names);
3077                 return NULL;
3078         }
3079
3080         names = (char *) _names;
3081         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
3082                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
3083                            "UNICODE");
3084                 /* Convert to ASCII */
3085                 pos2 = pos = names;
3086                 while (pos2 < names + len) {
3087                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
3088                             pos2[2] == '\0' && pos2[3] == '\0') {
3089                                 pos2 += 4;
3090                                 break;
3091                         }
3092                         *pos++ = pos2[0];
3093                         pos2 += 2;
3094                 }
3095                 os_memcpy(pos + 2, names, pos - names);
3096                 pos += 2;
3097         } else
3098                 pos = names;
3099
3100         num_name = 0;
3101         while (pos < names + len) {
3102                 name[num_name] = pos;
3103                 while (*pos && pos < names + len)
3104                         pos++;
3105                 if (pos + 1 >= names + len) {
3106                         os_free(names);
3107                         return NULL;
3108                 }
3109                 pos++;
3110                 num_name++;
3111                 if (num_name >= MAX_ADAPTERS) {
3112                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
3113                         os_free(names);
3114                         return NULL;
3115                 }
3116                 if (*pos == '\0') {
3117                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
3118                                    num_name);
3119                         pos++;
3120                         break;
3121                 }
3122         }
3123
3124         num_desc = 0;
3125         while (pos < names + len) {
3126                 desc[num_desc] = pos;
3127                 while (*pos && pos < names + len)
3128                         pos++;
3129                 if (pos + 1 >= names + len) {
3130                         os_free(names);
3131                         return NULL;
3132                 }
3133                 pos++;
3134                 num_desc++;
3135                 if (num_desc >= MAX_ADAPTERS) {
3136                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
3137                                    "descriptions");
3138                         os_free(names);
3139                         return NULL;
3140                 }
3141                 if (*pos == '\0') {
3142                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
3143                                    "found", num_name);
3144                         pos++;
3145                         break;
3146                 }
3147         }
3148
3149         /*
3150          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
3151          * descriptions. Fill in dummy descriptors to work around this.
3152          */
3153         while (num_desc < num_name)
3154                 desc[num_desc++] = "dummy description";
3155
3156         if (num_name != num_desc) {
3157                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
3158                            "description counts (%d != %d)",
3159                            num_name, num_desc);
3160                 os_free(names);
3161                 return NULL;
3162         }
3163
3164         for (i = 0; i < num_name; i++) {
3165                 niface = os_zalloc(sizeof(*niface));
3166                 if (niface == NULL)
3167                         break;
3168                 niface->drv_name = "ndis";
3169                 if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
3170                         niface->ifname = os_strdup(name[i] + 12);
3171                 else
3172                         niface->ifname = os_strdup(name[i]);
3173                 if (niface->ifname == NULL) {
3174                         os_free(niface);
3175                         break;
3176                 }
3177                 niface->desc = os_strdup(desc[i]);
3178                 niface->next = iface;
3179                 iface = niface;
3180         }
3181
3182 #endif /* CONFIG_USE_NDISUIO */
3183
3184         return iface;
3185 }
3186
3187
3188 const struct wpa_driver_ops wpa_driver_ndis_ops = {
3189         "ndis",
3190         "Windows NDIS driver",
3191         wpa_driver_ndis_get_bssid,
3192         wpa_driver_ndis_get_ssid,
3193         wpa_driver_ndis_set_key,
3194         wpa_driver_ndis_init,
3195         wpa_driver_ndis_deinit,
3196         NULL /* set_param */,
3197         NULL /* set_countermeasures */,
3198         wpa_driver_ndis_deauthenticate,
3199         wpa_driver_ndis_disassociate,
3200         wpa_driver_ndis_associate,
3201         wpa_driver_ndis_add_pmkid,
3202         wpa_driver_ndis_remove_pmkid,
3203         wpa_driver_ndis_flush_pmkid,
3204         wpa_driver_ndis_get_capa,
3205         wpa_driver_ndis_poll,
3206         wpa_driver_ndis_get_ifname,
3207         wpa_driver_ndis_get_mac_addr,
3208         NULL /* send_eapol */,
3209         NULL /* set_operstate */,
3210         NULL /* mlme_setprotection */,
3211         NULL /* get_hw_feature_data */,
3212         NULL /* set_channel */,
3213         NULL /* set_ssid */,
3214         NULL /* set_bssid */,
3215         NULL /* send_mlme */,
3216         NULL /* mlme_add_sta */,
3217         NULL /* mlme_remove_sta */,
3218         NULL /* update_ft_ies */,
3219         NULL /* send_ft_action */,
3220         wpa_driver_ndis_get_scan_results,
3221         NULL /* set_country */,
3222         NULL /* global_init */,
3223         NULL /* global_deinit */,
3224         NULL /* init2 */,
3225         wpa_driver_ndis_get_interfaces,
3226         wpa_driver_ndis_scan,
3227         NULL /* authenticate */,
3228         NULL /* set_beacon */,
3229         NULL /* hapd_init */,
3230         NULL /* hapd_deinit */,
3231         NULL /* set_ieee8021x */,
3232         NULL /* set_privacy */,
3233         NULL /* get_seqnum */,
3234         NULL /* flush */,
3235         NULL /* set_generic_elem */,
3236         NULL /* read_sta_data */,
3237         NULL /* hapd_send_eapol */,
3238         NULL /* sta_deauth */,
3239         NULL /* sta_disassoc */,
3240         NULL /* sta_remove */,
3241         NULL /* hapd_get_ssid */,
3242         NULL /* hapd_set_ssid */,
3243         NULL /* hapd_set_countermeasures */,
3244         NULL /* sta_add */,
3245         NULL /* get_inact_sec */,
3246         NULL /* sta_clear_stats */,
3247         NULL /* set_freq */,
3248         NULL /* set_rts */,
3249         NULL /* set_frag */,
3250         NULL /* sta_set_flags */,
3251         NULL /* set_rate_sets */,
3252         NULL /* set_cts_protect */,
3253         NULL /* set_preamble */,
3254         NULL /* set_short_slot_time */,
3255         NULL /* set_tx_queue_params */,
3256         NULL /* valid_bss_mask */,
3257         NULL /* if_add */,
3258         NULL /* if_remove */,
3259         NULL /* set_sta_vlan */,
3260         NULL /* commit */,
3261         NULL /* send_ether */,
3262         NULL /* set_radius_acl_auth */,
3263         NULL /* set_radius_acl_expire */,
3264         NULL /* set_ht_params */,
3265         NULL /* set_ap_wps_ie */,
3266         NULL /* set_supp_port */,
3267         NULL /* set_wds_sta */,
3268         NULL /* send_action */,
3269         NULL /* remain_on_channel */,
3270         NULL /* cancel_remain_on_channel */,
3271         NULL /* probe_req_report */,
3272         NULL /* disable_11b_rates */,
3273         NULL /* deinit_ap */,
3274         NULL /* suspend */,
3275         NULL /* resume */,
3276         NULL /* signal_monitor */,
3277         NULL /* send_frame */
3278 };