contrib/wpa/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_3_MULTICAST_LIST                0x01010103
  67 #define OID_802_11_BSSID                        0x0d010101
  68 #define OID_802_11_SSID                         0x0d010102
  69 #define OID_802_11_INFRASTRUCTURE_MODE          0x0d010108
  70 #define OID_802_11_ADD_WEP                      0x0D010113
  71 #define OID_802_11_REMOVE_WEP                   0x0D010114
  72 #define OID_802_11_DISASSOCIATE                 0x0D010115
  73 #define OID_802_11_BSSID_LIST                   0x0d010217
  74 #define OID_802_11_AUTHENTICATION_MODE          0x0d010118
  75 #define OID_802_11_PRIVACY_FILTER               0x0d010119
  76 #define OID_802_11_BSSID_LIST_SCAN              0x0d01011A
  77 #define OID_802_11_WEP_STATUS                   0x0d01011B
  78 #define OID_802_11_ENCRYPTION_STATUS OID_802_11_WEP_STATUS
  79 #define OID_802_11_ADD_KEY                      0x0d01011D
  80 #define OID_802_11_REMOVE_KEY                   0x0d01011E
  81 #define OID_802_11_ASSOCIATION_INFORMATION      0x0d01011F
  82 #define OID_802_11_TEST                         0x0d010120
  83 #define OID_802_11_CAPABILITY                   0x0d010122
  84 #define OID_802_11_PMKID                        0x0d010123
  85
  86 #define NDIS_802_11_LENGTH_SSID 32
  87 #define NDIS_802_11_LENGTH_RATES 8
  88 #define NDIS_802_11_LENGTH_RATES_EX 16
  89
  90 typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
  91
  92 typedef struct NDIS_802_11_SSID {
  93         ULONG SsidLength;
  94         UCHAR Ssid[NDIS_802_11_LENGTH_SSID];
  95 } NDIS_802_11_SSID;
  96
  97 typedef LONG NDIS_802_11_RSSI;
  98
  99 typedef enum NDIS_802_11_NETWORK_TYPE {
 100         Ndis802_11FH,
 101         Ndis802_11DS,
 102         Ndis802_11OFDM5,
 103         Ndis802_11OFDM24,
 104         Ndis802_11NetworkTypeMax
 105 } NDIS_802_11_NETWORK_TYPE;
 106
 107 typedef struct NDIS_802_11_CONFIGURATION_FH {
 108         ULONG Length;
 109         ULONG HopPattern;
 110         ULONG HopSet;
 111         ULONG DwellTime;
 112 } NDIS_802_11_CONFIGURATION_FH;
 113
 114 typedef struct NDIS_802_11_CONFIGURATION {
 115         ULONG Length;
 116         ULONG BeaconPeriod;
 117         ULONG ATIMWindow;
 118         ULONG DSConfig;
 119         NDIS_802_11_CONFIGURATION_FH FHConfig;
 120 } NDIS_802_11_CONFIGURATION;
 121
 122 typedef enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
 123         Ndis802_11IBSS,
 124         Ndis802_11Infrastructure,
 125         Ndis802_11AutoUnknown,
 126         Ndis802_11InfrastructureMax
 127 } NDIS_802_11_NETWORK_INFRASTRUCTURE;
 128
 129 typedef enum NDIS_802_11_AUTHENTICATION_MODE {
 130         Ndis802_11AuthModeOpen,
 131         Ndis802_11AuthModeShared,
 132         Ndis802_11AuthModeAutoSwitch,
 133         Ndis802_11AuthModeWPA,
 134         Ndis802_11AuthModeWPAPSK,
 135         Ndis802_11AuthModeWPANone,
 136         Ndis802_11AuthModeWPA2,
 137         Ndis802_11AuthModeWPA2PSK,
 138         Ndis802_11AuthModeMax
 139 } NDIS_802_11_AUTHENTICATION_MODE;
 140
 141 typedef enum NDIS_802_11_WEP_STATUS {
 142         Ndis802_11WEPEnabled,
 143         Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
 144         Ndis802_11WEPDisabled,
 145         Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
 146         Ndis802_11WEPKeyAbsent,
 147         Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
 148         Ndis802_11WEPNotSupported,
 149         Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
 150         Ndis802_11Encryption2Enabled,
 151         Ndis802_11Encryption2KeyAbsent,
 152         Ndis802_11Encryption3Enabled,
 153         Ndis802_11Encryption3KeyAbsent
 154 } NDIS_802_11_WEP_STATUS, NDIS_802_11_ENCRYPTION_STATUS;
 155
 156 typedef enum NDIS_802_11_PRIVACY_FILTER {
 157         Ndis802_11PrivFilterAcceptAll,
 158         Ndis802_11PrivFilter8021xWEP
 159 } NDIS_802_11_PRIVACY_FILTER;
 160
 161 typedef UCHAR NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];
 162 typedef UCHAR NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];
 163
 164 typedef struct NDIS_WLAN_BSSID_EX {
 165         ULONG Length;
 166         NDIS_802_11_MAC_ADDRESS MacAddress; /* BSSID */
 167         UCHAR Reserved[2];
 168         NDIS_802_11_SSID Ssid;
 169         ULONG Privacy;
 170         NDIS_802_11_RSSI Rssi;
 171         NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
 172         NDIS_802_11_CONFIGURATION Configuration;
 173         NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
 174         NDIS_802_11_RATES_EX SupportedRates;
 175         ULONG IELength;
 176         UCHAR IEs[1];
 177 } NDIS_WLAN_BSSID_EX;
 178
 179 typedef struct NDIS_802_11_BSSID_LIST_EX {
 180         ULONG NumberOfItems;
 181         NDIS_WLAN_BSSID_EX Bssid[1];
 182 } NDIS_802_11_BSSID_LIST_EX;
 183
 184 typedef struct NDIS_802_11_FIXED_IEs {
 185         UCHAR Timestamp[8];
 186         USHORT BeaconInterval;
 187         USHORT Capabilities;
 188 } NDIS_802_11_FIXED_IEs;
 189
 190 typedef struct NDIS_802_11_WEP {
 191         ULONG Length;
 192         ULONG KeyIndex;
 193         ULONG KeyLength;
 194         UCHAR KeyMaterial[1];
 195 } NDIS_802_11_WEP;
 196
 197 typedef ULONG NDIS_802_11_KEY_INDEX;
 198 typedef ULONGLONG NDIS_802_11_KEY_RSC;
 199
 200 typedef struct NDIS_802_11_KEY {
 201         ULONG Length;
 202         ULONG KeyIndex;
 203         ULONG KeyLength;
 204         NDIS_802_11_MAC_ADDRESS BSSID;
 205         NDIS_802_11_KEY_RSC KeyRSC;
 206         UCHAR KeyMaterial[1];
 207 } NDIS_802_11_KEY;
 208
 209 typedef struct NDIS_802_11_REMOVE_KEY {
 210         ULONG Length;
 211         ULONG KeyIndex;
 212         NDIS_802_11_MAC_ADDRESS BSSID;
 213 } NDIS_802_11_REMOVE_KEY;
 214
 215 typedef struct NDIS_802_11_AI_REQFI {
 216         USHORT Capabilities;
 217         USHORT ListenInterval;
 218         NDIS_802_11_MAC_ADDRESS CurrentAPAddress;
 219 } NDIS_802_11_AI_REQFI;
 220
 221 typedef struct NDIS_802_11_AI_RESFI {
 222         USHORT Capabilities;
 223         USHORT StatusCode;
 224         USHORT AssociationId;
 225 } NDIS_802_11_AI_RESFI;
 226
 227 typedef struct NDIS_802_11_ASSOCIATION_INFORMATION {
 228         ULONG Length;
 229         USHORT AvailableRequestFixedIEs;
 230         NDIS_802_11_AI_REQFI RequestFixedIEs;
 231         ULONG RequestIELength;
 232         ULONG OffsetRequestIEs;
 233         USHORT AvailableResponseFixedIEs;
 234         NDIS_802_11_AI_RESFI ResponseFixedIEs;
 235         ULONG ResponseIELength;
 236         ULONG OffsetResponseIEs;
 237 } NDIS_802_11_ASSOCIATION_INFORMATION;
 238
 239 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
 240         NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
 241         NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
 242 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
 243
 244 typedef struct NDIS_802_11_CAPABILITY {
 245         ULONG Length;
 246         ULONG Version;
 247         ULONG NoOfPMKIDs;
 248         ULONG NoOfAuthEncryptPairsSupported;
 249         NDIS_802_11_AUTHENTICATION_ENCRYPTION
 250                 AuthenticationEncryptionSupported[1];
 251 } NDIS_802_11_CAPABILITY;
 252
 253 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
 254
 255 typedef struct BSSID_INFO {
 256         NDIS_802_11_MAC_ADDRESS BSSID;
 257         NDIS_802_11_PMKID_VALUE PMKID;
 258 } BSSID_INFO;
 259
 260 typedef struct NDIS_802_11_PMKID {
 261         ULONG Length;
 262         ULONG BSSIDInfoCount;
 263         BSSID_INFO BSSIDInfo[1];
 264 } NDIS_802_11_PMKID;
 265
 266 typedef enum NDIS_802_11_STATUS_TYPE {
 267         Ndis802_11StatusType_Authentication,
 268         Ndis802_11StatusType_PMKID_CandidateList = 2,
 269         Ndis802_11StatusTypeMax
 270 } NDIS_802_11_STATUS_TYPE;
 271
 272 typedef struct NDIS_802_11_STATUS_INDICATION {
 273         NDIS_802_11_STATUS_TYPE StatusType;
 274 } NDIS_802_11_STATUS_INDICATION;
 275
 276 typedef struct PMKID_CANDIDATE {
 277         NDIS_802_11_MAC_ADDRESS BSSID;
 278         ULONG Flags;
 279 } PMKID_CANDIDATE;
 280
 281 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
 282
 283 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
 284         ULONG Version;
 285         ULONG NumCandidates;
 286         PMKID_CANDIDATE CandidateList[1];
 287 } NDIS_802_11_PMKID_CANDIDATE_LIST;
 288
 289 typedef struct NDIS_802_11_AUTHENTICATION_REQUEST {
 290         ULONG Length;
 291         NDIS_802_11_MAC_ADDRESS Bssid;
 292         ULONG Flags;
 293 } NDIS_802_11_AUTHENTICATION_REQUEST;
 294
 295 #define NDIS_802_11_AUTH_REQUEST_REAUTH                 0x01
 296 #define NDIS_802_11_AUTH_REQUEST_KEYUPDATE              0x02
 297 #define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR         0x06
 298 #define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR            0x0E
 299
 300 #endif /* OID_802_11_BSSID */
 301
 302
 303 #ifndef OID_802_11_PMKID
 304 /* Platform SDK for XP did not include WPA2, so add needed definitions */
 305
 306 #define OID_802_11_CAPABILITY                   0x0d010122
 307 #define OID_802_11_PMKID                        0x0d010123
 308
 309 #define Ndis802_11AuthModeWPA2 6
 310 #define Ndis802_11AuthModeWPA2PSK 7
 311
 312 #define Ndis802_11StatusType_PMKID_CandidateList 2
 313
 314 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
 315         NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
 316         NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
 317 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
 318
 319 typedef struct NDIS_802_11_CAPABILITY {
 320         ULONG Length;
 321         ULONG Version;
 322         ULONG NoOfPMKIDs;
 323         ULONG NoOfAuthEncryptPairsSupported;
 324         NDIS_802_11_AUTHENTICATION_ENCRYPTION
 325                 AuthenticationEncryptionSupported[1];
 326 } NDIS_802_11_CAPABILITY;
 327
 328 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
 329
 330 typedef struct BSSID_INFO {
 331         NDIS_802_11_MAC_ADDRESS BSSID;
 332         NDIS_802_11_PMKID_VALUE PMKID;
 333 } BSSID_INFO;
 334
 335 typedef struct NDIS_802_11_PMKID {
 336         ULONG Length;
 337         ULONG BSSIDInfoCount;
 338         BSSID_INFO BSSIDInfo[1];
 339 } NDIS_802_11_PMKID;
 340
 341 typedef struct PMKID_CANDIDATE {
 342         NDIS_802_11_MAC_ADDRESS BSSID;
 343         ULONG Flags;
 344 } PMKID_CANDIDATE;
 345
 346 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
 347
 348 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
 349         ULONG Version;
 350         ULONG NumCandidates;
 351         PMKID_CANDIDATE CandidateList[1];
 352 } NDIS_802_11_PMKID_CANDIDATE_LIST;
 353
 354 #endif /* OID_802_11_CAPABILITY */
 355
 356
 357 #ifndef OID_DOT11_CURRENT_OPERATION_MODE
 358 /* Native 802.11 OIDs */
 359 #define OID_DOT11_NDIS_START 0x0D010300
 360 #define OID_DOT11_CURRENT_OPERATION_MODE (OID_DOT11_NDIS_START + 8)
 361 #define OID_DOT11_SCAN_REQUEST (OID_DOT11_NDIS_START + 11)
 362
 363 typedef enum _DOT11_BSS_TYPE {
 364         dot11_BSS_type_infrastructure = 1,
 365         dot11_BSS_type_independent = 2,
 366         dot11_BSS_type_any = 3
 367 } DOT11_BSS_TYPE, * PDOT11_BSS_TYPE;
 368
 369 typedef UCHAR DOT11_MAC_ADDRESS[6];
 370 typedef DOT11_MAC_ADDRESS * PDOT11_MAC_ADDRESS;
 371
 372 typedef enum _DOT11_SCAN_TYPE {
 373         dot11_scan_type_active = 1,
 374         dot11_scan_type_passive = 2,
 375         dot11_scan_type_auto = 3,
 376         dot11_scan_type_forced = 0x80000000
 377 } DOT11_SCAN_TYPE, * PDOT11_SCAN_TYPE;
 378
 379 typedef struct _DOT11_SCAN_REQUEST_V2 {
 380         DOT11_BSS_TYPE dot11BSSType;
 381         DOT11_MAC_ADDRESS dot11BSSID;
 382         DOT11_SCAN_TYPE dot11ScanType;
 383         BOOLEAN bRestrictedScan;
 384         ULONG udot11SSIDsOffset;
 385         ULONG uNumOfdot11SSIDs;
 386         BOOLEAN bUseRequestIE;
 387         ULONG uRequestIDsOffset;
 388         ULONG uNumOfRequestIDs;
 389         ULONG uPhyTypeInfosOffset;
 390         ULONG uNumOfPhyTypeInfos;
 391         ULONG uIEsOffset;
 392         ULONG uIEsLength;
 393         UCHAR ucBuffer[1];
 394 } DOT11_SCAN_REQUEST_V2, * PDOT11_SCAN_REQUEST_V2;
 395
 396 #endif /* OID_DOT11_CURRENT_OPERATION_MODE */
 397
 398 #ifdef CONFIG_USE_NDISUIO
 399 #ifndef _WIN32_WCE
 400 #ifdef __MINGW32_VERSION
 401 typedef ULONG NDIS_OID;
 402 #endif /* __MINGW32_VERSION */
 403 /* from nuiouser.h */
 404 #define FSCTL_NDISUIO_BASE      FILE_DEVICE_NETWORK
 405
 406 #define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
 407         CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
 408
 409 #define IOCTL_NDISUIO_OPEN_DEVICE \
 410         _NDISUIO_CTL_CODE(0x200, METHOD_BUFFERED, \
 411                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 412
 413 #define IOCTL_NDISUIO_QUERY_OID_VALUE \
 414         _NDISUIO_CTL_CODE(0x201, METHOD_BUFFERED, \
 415                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 416
 417 #define IOCTL_NDISUIO_SET_OID_VALUE \
 418         _NDISUIO_CTL_CODE(0x205, METHOD_BUFFERED, \
 419                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 420
 421 #define IOCTL_NDISUIO_SET_ETHER_TYPE \
 422         _NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
 423                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 424
 425 #define IOCTL_NDISUIO_QUERY_BINDING \
 426         _NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
 427                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 428
 429 #define IOCTL_NDISUIO_BIND_WAIT \
 430         _NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
 431                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 432
 433 typedef struct _NDISUIO_QUERY_OID
 434 {
 435     NDIS_OID Oid;
 436     UCHAR Data[sizeof(ULONG)];
 437 } NDISUIO_QUERY_OID, *PNDISUIO_QUERY_OID;
 438
 439 typedef struct _NDISUIO_SET_OID
 440 {
 441     NDIS_OID Oid;
 442     UCHAR Data[sizeof(ULONG)];
 443 } NDISUIO_SET_OID, *PNDISUIO_SET_OID;
 444
 445 typedef struct _NDISUIO_QUERY_BINDING
 446 {
 447         ULONG BindingIndex;
 448         ULONG DeviceNameOffset;
 449         ULONG DeviceNameLength;
 450         ULONG DeviceDescrOffset;
 451         ULONG DeviceDescrLength;
 452 } NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
 453 #endif /* _WIN32_WCE */
 454 #endif /* CONFIG_USE_NDISUIO */
 455
 456
 457 static int ndis_get_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
 458                         char *data, size_t len)
 459 {
 460 #ifdef CONFIG_USE_NDISUIO
 461         NDISUIO_QUERY_OID *o;
 462         size_t buflen = sizeof(*o) + len;
 463         DWORD written;
 464         int ret;
 465         size_t hdrlen;
 466
 467         o = os_zalloc(buflen);
 468         if (o == NULL)
 469                 return -1;
 470         o->Oid = oid;
 471 #ifdef _WIN32_WCE
 472         o->ptcDeviceName = drv->adapter_name;
 473 #endif /* _WIN32_WCE */
 474         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_OID_VALUE,
 475                              o, sizeof(NDISUIO_QUERY_OID), o, buflen, &written,
 476                              NULL)) {
 477                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_QUERY_OID_VALUE "
 478                            "failed (oid=%08x): %d", oid, (int) GetLastError());
 479                 os_free(o);
 480                 return -1;
 481         }
 482         hdrlen = sizeof(NDISUIO_QUERY_OID) - sizeof(o->Data);
 483         if (written < hdrlen) {
 484                 wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d); "
 485                            "too short", oid, (unsigned int) written);
 486                 os_free(o);
 487                 return -1;
 488         }
 489         written -= hdrlen;
 490         if (written > len) {
 491                 wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d) > "
 492                            "len (%d)",oid, (unsigned int) written, len);
 493                 os_free(o);
 494                 return -1;
 495         }
 496         os_memcpy(data, o->Data, written);
 497         ret = written;
 498         os_free(o);
 499         return ret;
 500 #else /* CONFIG_USE_NDISUIO */
 501         char *buf;
 502         PACKET_OID_DATA *o;
 503         int ret;
 504
 505         buf = os_zalloc(sizeof(*o) + len);
 506         if (buf == NULL)
 507                 return -1;
 508         o = (PACKET_OID_DATA *) buf;
 509         o->Oid = oid;
 510         o->Length = len;
 511
 512         if (!PacketRequest(drv->adapter, FALSE, o)) {
 513                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
 514                            __func__, oid, len);
 515                 os_free(buf);
 516                 return -1;
 517         }
 518         if (o->Length > len) {
 519                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x Length (%d) > len (%d)",
 520                            __func__, oid, (unsigned int) o->Length, len);
 521                 os_free(buf);
 522                 return -1;
 523         }
 524         os_memcpy(data, o->Data, o->Length);
 525         ret = o->Length;
 526         os_free(buf);
 527         return ret;
 528 #endif /* CONFIG_USE_NDISUIO */
 529 }
 530
 531
 532 static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
 533                         const char *data, size_t len)
 534 {
 535 #ifdef CONFIG_USE_NDISUIO
 536         NDISUIO_SET_OID *o;
 537         size_t buflen, reallen;
 538         DWORD written;
 539         char txt[50];
 540
 541         os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
 542         wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
 543
 544         buflen = sizeof(*o) + len;
 545         reallen = buflen - sizeof(o->Data);
 546         o = os_zalloc(buflen);
 547         if (o == NULL)
 548                 return -1;
 549         o->Oid = oid;
 550 #ifdef _WIN32_WCE
 551         o->ptcDeviceName = drv->adapter_name;
 552 #endif /* _WIN32_WCE */
 553         if (data)
 554                 os_memcpy(o->Data, data, len);
 555         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_SET_OID_VALUE,
 556                              o, reallen, NULL, 0, &written, NULL)) {
 557                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_SET_OID_VALUE "
 558                            "(oid=%08x) failed: %d", oid, (int) GetLastError());
 559                 os_free(o);
 560                 return -1;
 561         }
 562         os_free(o);
 563         return 0;
 564 #else /* CONFIG_USE_NDISUIO */
 565         char *buf;
 566         PACKET_OID_DATA *o;
 567         char txt[50];
 568
 569         os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
 570         wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
 571
 572         buf = os_zalloc(sizeof(*o) + len);
 573         if (buf == NULL)
 574                 return -1;
 575         o = (PACKET_OID_DATA *) buf;
 576         o->Oid = oid;
 577         o->Length = len;
 578         if (data)
 579                 os_memcpy(o->Data, data, len);
 580
 581         if (!PacketRequest(drv->adapter, TRUE, o)) {
 582                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
 583                            __func__, oid, len);
 584                 os_free(buf);
 585                 return -1;
 586         }
 587         os_free(buf);
 588         return 0;
 589 #endif /* CONFIG_USE_NDISUIO */
 590 }
 591
 592
 593 static int ndis_set_auth_mode(struct wpa_driver_ndis_data *drv, int mode)
 594 {
 595         u32 auth_mode = mode;
 596         if (ndis_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
 597                          (char *) &auth_mode, sizeof(auth_mode)) < 0) {
 598                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
 599                            "OID_802_11_AUTHENTICATION_MODE (%d)",
 600                            (int) auth_mode);
 601                 return -1;
 602         }
 603         return 0;
 604 }
 605
 606
 607 static int ndis_get_auth_mode(struct wpa_driver_ndis_data *drv)
 608 {
 609         u32 auth_mode;
 610         int res;
 611         res = ndis_get_oid(drv, OID_802_11_AUTHENTICATION_MODE,
 612                            (char *) &auth_mode, sizeof(auth_mode));
 613         if (res != sizeof(auth_mode)) {
 614                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
 615                            "OID_802_11_AUTHENTICATION_MODE");
 616                 return -1;
 617         }
 618         return auth_mode;
 619 }
 620
 621
 622 static int ndis_set_encr_status(struct wpa_driver_ndis_data *drv, int encr)
 623 {
 624         u32 encr_status = encr;
 625         if (ndis_set_oid(drv, OID_802_11_ENCRYPTION_STATUS,
 626                          (char *) &encr_status, sizeof(encr_status)) < 0) {
 627                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
 628                            "OID_802_11_ENCRYPTION_STATUS (%d)", encr);
 629                 return -1;
 630         }
 631         return 0;
 632 }
 633
 634
 635 static int ndis_get_encr_status(struct wpa_driver_ndis_data *drv)
 636 {
 637         u32 encr;
 638         int res;
 639         res = ndis_get_oid(drv, OID_802_11_ENCRYPTION_STATUS,
 640                            (char *) &encr, sizeof(encr));
 641         if (res != sizeof(encr)) {
 642                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
 643                            "OID_802_11_ENCRYPTION_STATUS");
 644                 return -1;
 645         }
 646         return encr;
 647 }
 648
 649
 650 static int wpa_driver_ndis_get_bssid(void *priv, u8 *bssid)
 651 {
 652         struct wpa_driver_ndis_data *drv = priv;
 653
 654         if (drv->wired) {
 655                 /*
 656                  * Report PAE group address as the "BSSID" for wired
 657                  * connection.
 658                  */
 659                 os_memcpy(bssid, pae_group_addr, ETH_ALEN);
 660                 return 0;
 661         }
 662
 663         return ndis_get_oid(drv, OID_802_11_BSSID, (char *) bssid, ETH_ALEN) <
 664                 0 ? -1 : 0;
 665 }
 666
 667
 668 static int wpa_driver_ndis_get_ssid(void *priv, u8 *ssid)
 669 {
 670         struct wpa_driver_ndis_data *drv = priv;
 671         NDIS_802_11_SSID buf;
 672         int res;
 673
 674         res = ndis_get_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
 675         if (res < 4) {
 676                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get SSID");
 677                 if (drv->wired) {
 678                         wpa_printf(MSG_DEBUG, "NDIS: Allow get_ssid failure "
 679                                    "with a wired interface");
 680                         return 0;
 681                 }
 682                 return -1;
 683         }
 684         os_memcpy(ssid, buf.Ssid, buf.SsidLength);
 685         return buf.SsidLength;
 686 }
 687
 688
 689 static int wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data *drv,
 690                                     const u8 *ssid, size_t ssid_len)
 691 {
 692         NDIS_802_11_SSID buf;
 693
 694         os_memset(&buf, 0, sizeof(buf));
 695         buf.SsidLength = ssid_len;
 696         os_memcpy(buf.Ssid, ssid, ssid_len);
 697         /*
 698          * Make sure radio is marked enabled here so that scan request will not
 699          * force SSID to be changed to a random one in order to enable radio at
 700          * that point.
 701          */
 702         drv->radio_enabled = 1;
 703         return ndis_set_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
 704 }
 705
 706
 707 /* Disconnect using OID_802_11_DISASSOCIATE. This will also turn the radio off.
 708  */
 709 static int wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data *drv)
 710 {
 711         drv->radio_enabled = 0;
 712         return ndis_set_oid(drv, OID_802_11_DISASSOCIATE, "    ", 4);
 713 }
 714
 715
 716 /* Disconnect by setting SSID to random (i.e., likely not used). */
 717 static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
 718 {
 719         char ssid[32];
 720         int i;
 721         for (i = 0; i < 32; i++)
 722                 ssid[i] = rand() & 0xff;
 723         return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, 32);
 724 }
 725
 726
 727 static int wpa_driver_ndis_deauthenticate(void *priv, const u8 *addr,
 728                                           int reason_code)
 729 {
 730         struct wpa_driver_ndis_data *drv = priv;
 731         return wpa_driver_ndis_disconnect(drv);
 732 }
 733
 734
 735 static int wpa_driver_ndis_disassociate(void *priv, const u8 *addr,
 736                                         int reason_code)
 737 {
 738         struct wpa_driver_ndis_data *drv = priv;
 739         return wpa_driver_ndis_disconnect(drv);
 740 }
 741
 742
 743 static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
 744 {
 745         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
 746         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
 747 }
 748
 749
 750 static int wpa_driver_ndis_scan_native80211(
 751         struct wpa_driver_ndis_data *drv,
 752         struct wpa_driver_scan_params *params)
 753 {
 754         DOT11_SCAN_REQUEST_V2 req;
 755         int res;
 756
 757         os_memset(&req, 0, sizeof(req));
 758         req.dot11BSSType = dot11_BSS_type_any;
 759         os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
 760         req.dot11ScanType = dot11_scan_type_auto;
 761         res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
 762                            sizeof(req));
 763         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
 764         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
 765                                drv->ctx);
 766         return res;
 767 }
 768
 769
 770 static int wpa_driver_ndis_scan(void *priv,
 771                                 struct wpa_driver_scan_params *params)
 772 {
 773         struct wpa_driver_ndis_data *drv = priv;
 774         int res;
 775
 776         if (drv->native80211)
 777                 return wpa_driver_ndis_scan_native80211(drv, params);
 778
 779         if (!drv->radio_enabled) {
 780                 wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
 781                            " scan");
 782                 if (wpa_driver_ndis_disconnect(drv) < 0) {
 783                         wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
 784                 }
 785                 drv->radio_enabled = 1;
 786         }
 787
 788         res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, "    ", 4);
 789         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
 790         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
 791                                drv->ctx);
 792         return res;
 793 }
 794
 795
 796 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
 797 {
 798         const u8 *end, *pos;
 799
 800         pos = (const u8 *) (res + 1);
 801         end = pos + res->ie_len;
 802
 803         while (pos + 1 < end) {
 804                 if (pos + 2 + pos[1] > end)
 805                         break;
 806                 if (pos[0] == ie)
 807                         return pos;
 808                 pos += 2 + pos[1];
 809         }
 810
 811         return NULL;
 812 }
 813
 814
 815 static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
 816         struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
 817 {
 818         struct wpa_scan_res *nr;
 819         u8 *pos;
 820
 821         if (wpa_scan_get_ie(r, WLAN_EID_SSID))
 822                 return r; /* SSID IE already present */
 823
 824         if (ssid->SsidLength == 0 || ssid->SsidLength > 32)
 825                 return r; /* No valid SSID inside scan data */
 826
 827         nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
 828         if (nr == NULL)
 829                 return r;
 830
 831         pos = ((u8 *) (nr + 1)) + nr->ie_len;
 832         *pos++ = WLAN_EID_SSID;
 833         *pos++ = ssid->SsidLength;
 834         os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
 835         nr->ie_len += 2 + ssid->SsidLength;
 836
 837         return nr;
 838 }
 839
 840
 841 static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
 842 {
 843         struct wpa_driver_ndis_data *drv = priv;
 844         NDIS_802_11_BSSID_LIST_EX *b;
 845         size_t blen, count, i;
 846         int len;
 847         char *pos;
 848         struct wpa_scan_results *results;
 849         struct wpa_scan_res *r;
 850
 851         blen = 65535;
 852         b = os_zalloc(blen);
 853         if (b == NULL)
 854                 return NULL;
 855         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
 856         if (len < 0) {
 857                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
 858                 os_free(b);
 859                 return NULL;
 860         }
 861         count = b->NumberOfItems;
 862
 863         results = os_zalloc(sizeof(*results));
 864         if (results == NULL) {
 865                 os_free(b);
 866                 return NULL;
 867         }
 868         results->res = os_zalloc(count * sizeof(struct wpa_scan_res *));
 869         if (results->res == NULL) {
 870                 os_free(results);
 871                 os_free(b);
 872                 return NULL;
 873         }
 874
 875         pos = (char *) &b->Bssid[0];
 876         for (i = 0; i < count; i++) {
 877                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
 878                 NDIS_802_11_FIXED_IEs *fixed;
 879
 880                 if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
 881                         wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
 882                                    (int) bss->IELength);
 883                         break;
 884                 }
 885                 if (((char *) bss->IEs) + bss->IELength  > (char *) b + blen) {
 886                         /*
 887                          * Some NDIS drivers have been reported to include an
 888                          * entry with an invalid IELength in scan results and
 889                          * this has crashed wpa_supplicant, so validate the
 890                          * returned value before using it.
 891                          */
 892                         wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
 893                                    "result IE (BSSID=" MACSTR ") IELength=%d",
 894                                    MAC2STR(bss->MacAddress),
 895                                    (int) bss->IELength);
 896                         break;
 897                 }
 898
 899                 r = os_zalloc(sizeof(*r) + bss->IELength -
 900                               sizeof(NDIS_802_11_FIXED_IEs));
 901                 if (r == NULL)
 902                         break;
 903
 904                 os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
 905                 r->level = (int) bss->Rssi;
 906                 r->freq = bss->Configuration.DSConfig / 1000;
 907                 fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
 908                 r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
 909                 r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
 910                 r->tsf = WPA_GET_LE64(fixed->Timestamp);
 911                 os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
 912                           bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
 913                 r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
 914                 r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
 915
 916                 results->res[results->num++] = r;
 917
 918                 pos += bss->Length;
 919                 if (pos > (char *) b + blen)
 920                         break;
 921         }
 922
 923         os_free(b);
 924
 925         return results;
 926 }
 927
 928
 929 static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
 930                                       int key_idx, const u8 *addr,
 931                                       const u8 *bssid, int pairwise)
 932 {
 933         NDIS_802_11_REMOVE_KEY rkey;
 934         NDIS_802_11_KEY_INDEX index;
 935         int res, res2;
 936
 937         os_memset(&rkey, 0, sizeof(rkey));
 938
 939         rkey.Length = sizeof(rkey);
 940         rkey.KeyIndex = key_idx;
 941         if (pairwise)
 942                 rkey.KeyIndex |= 1 << 30;
 943         os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
 944
 945         res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
 946                            sizeof(rkey));
 947         if (!pairwise) {
 948                 index = key_idx;
 949                 res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
 950                                     (char *) &index, sizeof(index));
 951         } else
 952                 res2 = 0;
 953
 954         if (res < 0 && res2 < 0)
 955                 return -1;
 956         return 0;
 957 }
 958
 959
 960 static int wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data *drv,
 961                                    int pairwise, int key_idx, int set_tx,
 962                                    const u8 *key, size_t key_len)
 963 {
 964         NDIS_802_11_WEP *wep;
 965         size_t len;
 966         int res;
 967
 968         len = 12 + key_len;
 969         wep = os_zalloc(len);
 970         if (wep == NULL)
 971                 return -1;
 972         wep->Length = len;
 973         wep->KeyIndex = key_idx;
 974         if (set_tx)
 975                 wep->KeyIndex |= 1 << 31;
 976 #if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
 977         if (pairwise)
 978                 wep->KeyIndex |= 1 << 30;
 979 #endif
 980         wep->KeyLength = key_len;
 981         os_memcpy(wep->KeyMaterial, key, key_len);
 982
 983         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
 984                         (u8 *) wep, len);
 985         res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
 986
 987         os_free(wep);
 988
 989         return res;
 990 }
 991
 992
 993 static int wpa_driver_ndis_set_key(const char *ifname, void *priv,
 994                                    enum wpa_alg alg, const u8 *addr,
 995                                    int key_idx, int set_tx,
 996                                    const u8 *seq, size_t seq_len,
 997                                    const u8 *key, size_t key_len)
 998 {
 999         struct wpa_driver_ndis_data *drv = priv;
1000         size_t len, i;
1001         NDIS_802_11_KEY *nkey;
1002         int res, pairwise;
1003         u8 bssid[ETH_ALEN];
1004
1005         if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
1006                                       ETH_ALEN) == 0) {
1007                 /* Group Key */
1008                 pairwise = 0;
1009                 if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
1010                         os_memset(bssid, 0xff, ETH_ALEN);
1011         } else {
1012                 /* Pairwise Key */
1013                 pairwise = 1;
1014                 os_memcpy(bssid, addr, ETH_ALEN);
1015         }
1016
1017         if (alg == WPA_ALG_NONE || key_len == 0) {
1018                 return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
1019                                                   pairwise);
1020         }
1021
1022         if (alg == WPA_ALG_WEP) {
1023                 return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
1024                                                key, key_len);
1025         }
1026
1027         len = 12 + 6 + 6 + 8 + key_len;
1028
1029         nkey = os_zalloc(len);
1030         if (nkey == NULL)
1031                 return -1;
1032
1033         nkey->Length = len;
1034         nkey->KeyIndex = key_idx;
1035         if (set_tx)
1036                 nkey->KeyIndex |= 1 << 31;
1037         if (pairwise)
1038                 nkey->KeyIndex |= 1 << 30;
1039         if (seq && seq_len)
1040                 nkey->KeyIndex |= 1 << 29;
1041         nkey->KeyLength = key_len;
1042         os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
1043         if (seq && seq_len) {
1044                 for (i = 0; i < seq_len; i++)
1045                         nkey->KeyRSC |= (ULONGLONG) seq[i] << (i * 8);
1046         }
1047         if (alg == WPA_ALG_TKIP && key_len == 32) {
1048                 os_memcpy(nkey->KeyMaterial, key, 16);
1049                 os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
1050                 os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
1051         } else {
1052                 os_memcpy(nkey->KeyMaterial, key, key_len);
1053         }
1054
1055         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_KEY",
1056                         (u8 *) nkey, len);
1057         res = ndis_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
1058         os_free(nkey);
1059
1060         return res;
1061 }
1062
1063
1064 static int
1065 wpa_driver_ndis_associate(void *priv,
1066                           struct wpa_driver_associate_params *params)
1067 {
1068         struct wpa_driver_ndis_data *drv = priv;
1069         u32 auth_mode, encr, priv_mode, mode;
1070
1071         drv->mode = params->mode;
1072
1073         /* Note: Setting OID_802_11_INFRASTRUCTURE_MODE clears current keys,
1074          * so static WEP keys needs to be set again after this. */
1075         if (params->mode == IEEE80211_MODE_IBSS) {
1076                 mode = Ndis802_11IBSS;
1077                 /* Need to make sure that BSSID polling is enabled for
1078                  * IBSS mode. */
1079                 eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1080                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1081                                        drv, NULL);
1082         } else
1083                 mode = Ndis802_11Infrastructure;
1084         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
1085                          (char *) &mode, sizeof(mode)) < 0) {
1086                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1087                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
1088                            (int) mode);
1089                 /* Try to continue anyway */
1090         }
1091
1092         if (params->key_mgmt_suite == KEY_MGMT_NONE ||
1093             params->key_mgmt_suite == KEY_MGMT_802_1X_NO_WPA) {
1094                 /* Re-set WEP keys if static WEP configuration is used. */
1095                 u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1096                 int i;
1097                 for (i = 0; i < 4; i++) {
1098                         if (!params->wep_key[i])
1099                                 continue;
1100                         wpa_printf(MSG_DEBUG, "NDIS: Re-setting static WEP "
1101                                    "key %d", i);
1102                         wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
1103                                                 bcast, i,
1104                                                 i == params->wep_tx_keyidx,
1105                                                 NULL, 0, params->wep_key[i],
1106                                                 params->wep_key_len[i]);
1107                 }
1108         }
1109
1110         if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
1111                 if (params->auth_alg & WPA_AUTH_ALG_SHARED) {
1112                         if (params->auth_alg & WPA_AUTH_ALG_OPEN)
1113                                 auth_mode = Ndis802_11AuthModeAutoSwitch;
1114                         else
1115                                 auth_mode = Ndis802_11AuthModeShared;
1116                 } else
1117                         auth_mode = Ndis802_11AuthModeOpen;
1118                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1119         } else if (params->wpa_ie[0] == WLAN_EID_RSN) {
1120                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1121                 if (params->key_mgmt_suite == KEY_MGMT_PSK)
1122                         auth_mode = Ndis802_11AuthModeWPA2PSK;
1123                 else
1124                         auth_mode = Ndis802_11AuthModeWPA2;
1125 #ifdef CONFIG_WPS
1126         } else if (params->key_mgmt_suite == KEY_MGMT_WPS) {
1127                 auth_mode = Ndis802_11AuthModeOpen;
1128                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1129 #endif /* CONFIG_WPS */
1130         } else {
1131                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1132                 if (params->key_mgmt_suite == KEY_MGMT_WPA_NONE)
1133                         auth_mode = Ndis802_11AuthModeWPANone;
1134                 else if (params->key_mgmt_suite == KEY_MGMT_PSK)
1135                         auth_mode = Ndis802_11AuthModeWPAPSK;
1136                 else
1137                         auth_mode = Ndis802_11AuthModeWPA;
1138         }
1139
1140         switch (params->pairwise_suite) {
1141         case CIPHER_CCMP:
1142                 encr = Ndis802_11Encryption3Enabled;
1143                 break;
1144         case CIPHER_TKIP:
1145                 encr = Ndis802_11Encryption2Enabled;
1146                 break;
1147         case CIPHER_WEP40:
1148         case CIPHER_WEP104:
1149                 encr = Ndis802_11Encryption1Enabled;
1150                 break;
1151         case CIPHER_NONE:
1152                 if (params->group_suite == CIPHER_CCMP)
1153                         encr = Ndis802_11Encryption3Enabled;
1154                 else if (params->group_suite == CIPHER_TKIP)
1155                         encr = Ndis802_11Encryption2Enabled;
1156                 else
1157                         encr = Ndis802_11EncryptionDisabled;
1158                 break;
1159         default:
1160                 encr = Ndis802_11EncryptionDisabled;
1161         };
1162
1163         if (ndis_set_oid(drv, OID_802_11_PRIVACY_FILTER,
1164                          (char *) &priv_mode, sizeof(priv_mode)) < 0) {
1165                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1166                            "OID_802_11_PRIVACY_FILTER (%d)",
1167                            (int) priv_mode);
1168                 /* Try to continue anyway */
1169         }
1170
1171         ndis_set_auth_mode(drv, auth_mode);
1172         ndis_set_encr_status(drv, encr);
1173
1174         if (params->bssid) {
1175                 ndis_set_oid(drv, OID_802_11_BSSID, (char *) params->bssid,
1176                              ETH_ALEN);
1177                 drv->oid_bssid_set = 1;
1178         } else if (drv->oid_bssid_set) {
1179                 ndis_set_oid(drv, OID_802_11_BSSID, "\xff\xff\xff\xff\xff\xff",
1180                              ETH_ALEN);
1181                 drv->oid_bssid_set = 0;
1182         }
1183
1184         return wpa_driver_ndis_set_ssid(drv, params->ssid, params->ssid_len);
1185 }
1186
1187
1188 static int wpa_driver_ndis_set_pmkid(struct wpa_driver_ndis_data *drv)
1189 {
1190         int len, count, i, ret;
1191         struct ndis_pmkid_entry *entry;
1192         NDIS_802_11_PMKID *p;
1193
1194         count = 0;
1195         entry = drv->pmkid;
1196         while (entry) {
1197                 count++;
1198                 if (count >= drv->no_of_pmkid)
1199                         break;
1200                 entry = entry->next;
1201         }
1202         len = 8 + count * sizeof(BSSID_INFO);
1203         p = os_zalloc(len);
1204         if (p == NULL)
1205                 return -1;
1206
1207         p->Length = len;
1208         p->BSSIDInfoCount = count;
1209         entry = drv->pmkid;
1210         for (i = 0; i < count; i++) {
1211                 os_memcpy(&p->BSSIDInfo[i].BSSID, entry->bssid, ETH_ALEN);
1212                 os_memcpy(&p->BSSIDInfo[i].PMKID, entry->pmkid, 16);
1213                 entry = entry->next;
1214         }
1215         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID", (u8 *) p, len);
1216         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) p, len);
1217         os_free(p);
1218         return ret;
1219 }
1220
1221
1222 static int wpa_driver_ndis_add_pmkid(void *priv, const u8 *bssid,
1223                                      const u8 *pmkid)
1224 {
1225         struct wpa_driver_ndis_data *drv = priv;
1226         struct ndis_pmkid_entry *entry, *prev;
1227
1228         if (drv->no_of_pmkid == 0)
1229                 return 0;
1230
1231         prev = NULL;
1232         entry = drv->pmkid;
1233         while (entry) {
1234                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0)
1235                         break;
1236                 prev = entry;
1237                 entry = entry->next;
1238         }
1239
1240         if (entry) {
1241                 /* Replace existing entry for this BSSID and move it into the
1242                  * beginning of the list. */
1243                 os_memcpy(entry->pmkid, pmkid, 16);
1244                 if (prev) {
1245                         prev->next = entry->next;
1246                         entry->next = drv->pmkid;
1247                         drv->pmkid = entry;
1248                 }
1249         } else {
1250                 entry = os_malloc(sizeof(*entry));
1251                 if (entry) {
1252                         os_memcpy(entry->bssid, bssid, ETH_ALEN);
1253                         os_memcpy(entry->pmkid, pmkid, 16);
1254                         entry->next = drv->pmkid;
1255                         drv->pmkid = entry;
1256                 }
1257         }
1258
1259         return wpa_driver_ndis_set_pmkid(drv);
1260 }
1261
1262
1263 static int wpa_driver_ndis_remove_pmkid(void *priv, const u8 *bssid,
1264                                         const u8 *pmkid)
1265 {
1266         struct wpa_driver_ndis_data *drv = priv;
1267         struct ndis_pmkid_entry *entry, *prev;
1268
1269         if (drv->no_of_pmkid == 0)
1270                 return 0;
1271
1272         entry = drv->pmkid;
1273         prev = NULL;
1274         while (entry) {
1275                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0 &&
1276                     os_memcmp(entry->pmkid, pmkid, 16) == 0) {
1277                         if (prev)
1278                                 prev->next = entry->next;
1279                         else
1280                                 drv->pmkid = entry->next;
1281                         os_free(entry);
1282                         break;
1283                 }
1284                 prev = entry;
1285                 entry = entry->next;
1286         }
1287         return wpa_driver_ndis_set_pmkid(drv);
1288 }
1289
1290
1291 static int wpa_driver_ndis_flush_pmkid(void *priv)
1292 {
1293         struct wpa_driver_ndis_data *drv = priv;
1294         NDIS_802_11_PMKID p;
1295         struct ndis_pmkid_entry *pmkid, *prev;
1296         int prev_authmode, ret;
1297
1298         if (drv->no_of_pmkid == 0)
1299                 return 0;
1300
1301         pmkid = drv->pmkid;
1302         drv->pmkid = NULL;
1303         while (pmkid) {
1304                 prev = pmkid;
1305                 pmkid = pmkid->next;
1306                 os_free(prev);
1307         }
1308
1309         /*
1310          * Some drivers may refuse OID_802_11_PMKID if authMode is not set to
1311          * WPA2, so change authMode temporarily, if needed.
1312          */
1313         prev_authmode = ndis_get_auth_mode(drv);
1314         if (prev_authmode != Ndis802_11AuthModeWPA2)
1315                 ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA2);
1316
1317         os_memset(&p, 0, sizeof(p));
1318         p.Length = 8;
1319         p.BSSIDInfoCount = 0;
1320         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
1321                     (u8 *) &p, 8);
1322         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
1323
1324         if (prev_authmode != Ndis802_11AuthModeWPA2)
1325                 ndis_set_auth_mode(drv, prev_authmode);
1326
1327         return ret;
1328 }
1329
1330
1331 static int wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data *drv)
1332 {
1333         char buf[512], *pos;
1334         NDIS_802_11_ASSOCIATION_INFORMATION *ai;
1335         int len;
1336         union wpa_event_data data;
1337         NDIS_802_11_BSSID_LIST_EX *b;
1338         size_t blen, i;
1339
1340         len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION, buf,
1341                            sizeof(buf));
1342         if (len < 0) {
1343                 wpa_printf(MSG_DEBUG, "NDIS: failed to get association "
1344                            "information");
1345                 return -1;
1346         }
1347         if (len > sizeof(buf)) {
1348                 /* Some drivers seem to be producing incorrect length for this
1349                  * data. Limit the length to the current buffer size to avoid
1350                  * crashing in hexdump. The data seems to be otherwise valid,
1351                  * so better try to use it. */
1352                 wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association "
1353                            "information length %d", len);
1354                 len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION,
1355                                    buf, sizeof(buf));
1356                 if (len < -1) {
1357                         wpa_printf(MSG_DEBUG, "NDIS: re-reading association "
1358                                    "information failed");
1359                         return -1;
1360                 }
1361                 if (len > sizeof(buf)) {
1362                         wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association"
1363                                    " information length %d (re-read)", len);
1364                         len = sizeof(buf);
1365                 }
1366         }
1367         wpa_hexdump(MSG_MSGDUMP, "NDIS: association information",
1368                     (u8 *) buf, len);
1369         if (len < sizeof(*ai)) {
1370                 wpa_printf(MSG_DEBUG, "NDIS: too short association "
1371                            "information");
1372                 return -1;
1373         }
1374         ai = (NDIS_802_11_ASSOCIATION_INFORMATION *) buf;
1375         wpa_printf(MSG_DEBUG, "NDIS: ReqFixed=0x%x RespFixed=0x%x off_req=%d "
1376                    "off_resp=%d len_req=%d len_resp=%d",
1377                    ai->AvailableRequestFixedIEs, ai->AvailableResponseFixedIEs,
1378                    (int) ai->OffsetRequestIEs, (int) ai->OffsetResponseIEs,
1379                    (int) ai->RequestIELength, (int) ai->ResponseIELength);
1380
1381         if (ai->OffsetRequestIEs + ai->RequestIELength > (unsigned) len ||
1382             ai->OffsetResponseIEs + ai->ResponseIELength > (unsigned) len) {
1383                 wpa_printf(MSG_DEBUG, "NDIS: association information - "
1384                            "IE overflow");
1385                 return -1;
1386         }
1387
1388         wpa_hexdump(MSG_MSGDUMP, "NDIS: Request IEs",
1389                     (u8 *) buf + ai->OffsetRequestIEs, ai->RequestIELength);
1390         wpa_hexdump(MSG_MSGDUMP, "NDIS: Response IEs",
1391                     (u8 *) buf + ai->OffsetResponseIEs, ai->ResponseIELength);
1392
1393         os_memset(&data, 0, sizeof(data));
1394         data.assoc_info.req_ies = (u8 *) buf + ai->OffsetRequestIEs;
1395         data.assoc_info.req_ies_len = ai->RequestIELength;
1396         data.assoc_info.resp_ies = (u8 *) buf + ai->OffsetResponseIEs;
1397         data.assoc_info.resp_ies_len = ai->ResponseIELength;
1398
1399         blen = 65535;
1400         b = os_zalloc(blen);
1401         if (b == NULL)
1402                 goto skip_scan_results;
1403         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
1404         if (len < 0) {
1405                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
1406                 os_free(b);
1407                 b = NULL;
1408                 goto skip_scan_results;
1409         }
1410         wpa_printf(MSG_DEBUG, "NDIS: %d BSSID items to process for AssocInfo",
1411                    (unsigned int) b->NumberOfItems);
1412
1413         pos = (char *) &b->Bssid[0];
1414         for (i = 0; i < b->NumberOfItems; i++) {
1415                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
1416                 if (os_memcmp(drv->bssid, bss->MacAddress, ETH_ALEN) == 0 &&
1417                     bss->IELength > sizeof(NDIS_802_11_FIXED_IEs)) {
1418                         data.assoc_info.beacon_ies =
1419                                 ((u8 *) bss->IEs) +
1420                                 sizeof(NDIS_802_11_FIXED_IEs);
1421                         data.assoc_info.beacon_ies_len =
1422                                 bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
1423                         wpa_hexdump(MSG_MSGDUMP, "NDIS: Beacon IEs",
1424                                     data.assoc_info.beacon_ies,
1425                                     data.assoc_info.beacon_ies_len);
1426                         break;
1427                 }
1428                 pos += bss->Length;
1429                 if (pos > (char *) b + blen)
1430                         break;
1431         }
1432
1433 skip_scan_results:
1434         wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
1435
1436         os_free(b);
1437
1438         return 0;
1439 }
1440
1441
1442 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx)
1443 {
1444         struct wpa_driver_ndis_data *drv = eloop_ctx;
1445         u8 bssid[ETH_ALEN];
1446         int poll;
1447
1448         if (drv->wired)
1449                 return;
1450
1451         if (wpa_driver_ndis_get_bssid(drv, bssid)) {
1452                 /* Disconnected */
1453                 if (!is_zero_ether_addr(drv->bssid)) {
1454                         os_memset(drv->bssid, 0, ETH_ALEN);
1455                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1456                 }
1457         } else {
1458                 /* Connected */
1459                 if (os_memcmp(drv->bssid, bssid, ETH_ALEN) != 0) {
1460                         os_memcpy(drv->bssid, bssid, ETH_ALEN);
1461                         wpa_driver_ndis_get_associnfo(drv);
1462                         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1463                 }
1464         }
1465
1466         /* When using integrated NDIS event receiver, we can skip BSSID
1467          * polling when using infrastructure network. However, when using
1468          * IBSS mode, many driver do not seem to generate connection event,
1469          * so we need to enable BSSID polling to figure out when IBSS network
1470          * has been formed.
1471          */
1472         poll = drv->mode == IEEE80211_MODE_IBSS;
1473 #ifndef CONFIG_NDIS_EVENTS_INTEGRATED
1474 #ifndef _WIN32_WCE
1475         poll = 1;
1476 #endif /* _WIN32_WCE */
1477 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
1478
1479         if (poll) {
1480                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1481                                         drv, NULL);
1482         }
1483 }
1484
1485
1486 static void wpa_driver_ndis_poll(void *priv)
1487 {
1488         struct wpa_driver_ndis_data *drv = priv;
1489         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1490         wpa_driver_ndis_poll_timeout(drv, NULL);
1491 }
1492
1493
1494 /* Called when driver generates Media Connect Event by calling
1495  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_CONNECT */
1496 void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv)
1497 {
1498         wpa_printf(MSG_DEBUG, "NDIS: Media Connect Event");
1499         if (wpa_driver_ndis_get_bssid(drv, drv->bssid) == 0) {
1500                 wpa_driver_ndis_get_associnfo(drv);
1501                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1502         }
1503 }
1504
1505
1506 /* Called when driver generates Media Disconnect Event by calling
1507  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_DISCONNECT */
1508 void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv)
1509 {
1510         wpa_printf(MSG_DEBUG, "NDIS: Media Disconnect Event");
1511         os_memset(drv->bssid, 0, ETH_ALEN);
1512         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1513 }
1514
1515
1516 static void wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data *drv,
1517                                        const u8 *data, size_t data_len)
1518 {
1519         NDIS_802_11_AUTHENTICATION_REQUEST *req;
1520         int pairwise = 0, group = 0;
1521         union wpa_event_data event;
1522
1523         if (data_len < sizeof(*req)) {
1524                 wpa_printf(MSG_DEBUG, "NDIS: Too short Authentication Request "
1525                            "Event (len=%d)", data_len);
1526                 return;
1527         }
1528         req = (NDIS_802_11_AUTHENTICATION_REQUEST *) data;
1529
1530         wpa_printf(MSG_DEBUG, "NDIS: Authentication Request Event: "
1531                    "Bssid " MACSTR " Flags 0x%x",
1532                    MAC2STR(req->Bssid), (int) req->Flags);
1533
1534         if ((req->Flags & NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR) ==
1535             NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR)
1536                 pairwise = 1;
1537         else if ((req->Flags & NDIS_802_11_AUTH_REQUEST_GROUP_ERROR) ==
1538             NDIS_802_11_AUTH_REQUEST_GROUP_ERROR)
1539                 group = 1;
1540
1541         if (pairwise || group) {
1542                 os_memset(&event, 0, sizeof(event));
1543                 event.michael_mic_failure.unicast = pairwise;
1544                 wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE,
1545                                      &event);
1546         }
1547 }
1548
1549
1550 static void wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data *drv,
1551                                         const u8 *data, size_t data_len)
1552 {
1553         NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
1554         size_t i;
1555         union wpa_event_data event;
1556
1557         if (data_len < 8) {
1558                 wpa_printf(MSG_DEBUG, "NDIS: Too short PMKID Candidate List "
1559                            "Event (len=%d)", data_len);
1560                 return;
1561         }
1562         pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
1563         wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List Event - Version %d "
1564                    "NumCandidates %d",
1565                    (int) pmkid->Version, (int) pmkid->NumCandidates);
1566
1567         if (pmkid->Version != 1) {
1568                 wpa_printf(MSG_DEBUG, "NDIS: Unsupported PMKID Candidate List "
1569                            "Version %d", (int) pmkid->Version);
1570                 return;
1571         }
1572
1573         if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
1574                 wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List underflow");
1575                 return;
1576         }
1577
1578         os_memset(&event, 0, sizeof(event));
1579         for (i = 0; i < pmkid->NumCandidates; i++) {
1580                 PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
1581                 wpa_printf(MSG_DEBUG, "NDIS: %d: " MACSTR " Flags 0x%x",
1582                            i, MAC2STR(p->BSSID), (int) p->Flags);
1583                 os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
1584                 event.pmkid_candidate.index = i;
1585                 event.pmkid_candidate.preauth =
1586                         p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
1587                 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
1588                                      &event);
1589         }
1590 }
1591
1592
1593 /* Called when driver calls NdisMIndicateStatus() with
1594  * NDIS_STATUS_MEDIA_SPECIFIC_INDICATION */
1595 void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
1596                                           const u8 *data, size_t data_len)
1597 {
1598         NDIS_802_11_STATUS_INDICATION *status;
1599
1600         if (data == NULL || data_len < sizeof(*status))
1601                 return;
1602
1603         wpa_hexdump(MSG_DEBUG, "NDIS: Media Specific Indication",
1604                     data, data_len);
1605
1606         status = (NDIS_802_11_STATUS_INDICATION *) data;
1607         data += sizeof(status);
1608         data_len -= sizeof(status);
1609
1610         switch (status->StatusType) {
1611         case Ndis802_11StatusType_Authentication:
1612                 wpa_driver_ndis_event_auth(drv, data, data_len);
1613                 break;
1614         case Ndis802_11StatusType_PMKID_CandidateList:
1615                 wpa_driver_ndis_event_pmkid(drv, data, data_len);
1616                 break;
1617         default:
1618                 wpa_printf(MSG_DEBUG, "NDIS: Unknown StatusType %d",
1619                            (int) status->StatusType);
1620                 break;
1621         }
1622 }
1623
1624
1625 /* Called when an adapter is added */
1626 void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv)
1627 {
1628         union wpa_event_data event;
1629         int i;
1630
1631         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Arrival");
1632
1633         for (i = 0; i < 30; i++) {
1634                 /* Re-open Packet32/NDISUIO connection */
1635                 wpa_driver_ndis_adapter_close(drv);
1636                 if (wpa_driver_ndis_adapter_init(drv) < 0 ||
1637                     wpa_driver_ndis_adapter_open(drv) < 0) {
1638                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialization "
1639                                    "(%d) failed", i);
1640                         os_sleep(1, 0);
1641                 } else {
1642                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialized");
1643                         break;
1644                 }
1645         }
1646
1647         os_memset(&event, 0, sizeof(event));
1648         os_strlcpy(event.interface_status.ifname, drv->ifname,
1649                    sizeof(event.interface_status.ifname));
1650         event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1651         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1652 }
1653
1654
1655 /* Called when an adapter is removed */
1656 void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv)
1657 {
1658         union wpa_event_data event;
1659
1660         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Removal");
1661         os_memset(&event, 0, sizeof(event));
1662         os_strlcpy(event.interface_status.ifname, drv->ifname,
1663                    sizeof(event.interface_status.ifname));
1664         event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1665         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1666 }
1667
1668
1669 static void
1670 wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data *drv)
1671 {
1672         wpa_printf(MSG_DEBUG, "NDIS: verifying driver WPA capability");
1673
1674         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA) == 0 &&
1675             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPA) {
1676                 wpa_printf(MSG_DEBUG, "NDIS: WPA key management supported");
1677                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1678         }
1679
1680         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPAPSK) == 0 &&
1681             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPAPSK) {
1682                 wpa_printf(MSG_DEBUG, "NDIS: WPA-PSK key management "
1683                            "supported");
1684                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1685         }
1686
1687         if (ndis_set_encr_status(drv, Ndis802_11Encryption3Enabled) == 0 &&
1688             ndis_get_encr_status(drv) == Ndis802_11Encryption3KeyAbsent) {
1689                 wpa_printf(MSG_DEBUG, "NDIS: CCMP encryption supported");
1690                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1691         }
1692
1693         if (ndis_set_encr_status(drv, Ndis802_11Encryption2Enabled) == 0 &&
1694             ndis_get_encr_status(drv) == Ndis802_11Encryption2KeyAbsent) {
1695                 wpa_printf(MSG_DEBUG, "NDIS: TKIP encryption supported");
1696                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1697         }
1698
1699         if (ndis_set_encr_status(drv, Ndis802_11Encryption1Enabled) == 0 &&
1700             ndis_get_encr_status(drv) == Ndis802_11Encryption1KeyAbsent) {
1701                 wpa_printf(MSG_DEBUG, "NDIS: WEP encryption supported");
1702                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1703                         WPA_DRIVER_CAPA_ENC_WEP104;
1704         }
1705
1706         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeShared) == 0 &&
1707             ndis_get_auth_mode(drv) == Ndis802_11AuthModeShared) {
1708                 drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1709         }
1710
1711         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeOpen) == 0 &&
1712             ndis_get_auth_mode(drv) == Ndis802_11AuthModeOpen) {
1713                 drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1714         }
1715
1716         ndis_set_encr_status(drv, Ndis802_11EncryptionDisabled);
1717
1718         /* Could also verify OID_802_11_ADD_KEY error reporting and
1719          * support for OID_802_11_ASSOCIATION_INFORMATION. */
1720
1721         if (drv->capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA &&
1722             drv->capa.enc & (WPA_DRIVER_CAPA_ENC_TKIP |
1723                              WPA_DRIVER_CAPA_ENC_CCMP)) {
1724                 wpa_printf(MSG_DEBUG, "NDIS: driver supports WPA");
1725                 drv->has_capability = 1;
1726         } else {
1727                 wpa_printf(MSG_DEBUG, "NDIS: no WPA support found");
1728         }
1729
1730         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1731                    "enc 0x%x auth 0x%x",
1732                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1733 }
1734
1735
1736 static void wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data *drv)
1737 {
1738         char buf[512];
1739         int len;
1740         size_t i;
1741         NDIS_802_11_CAPABILITY *c;
1742
1743         drv->capa.flags = WPA_DRIVER_FLAGS_DRIVER_IE;
1744
1745         len = ndis_get_oid(drv, OID_802_11_CAPABILITY, buf, sizeof(buf));
1746         if (len < 0) {
1747                 wpa_driver_ndis_get_wpa_capability(drv);
1748                 return;
1749         }
1750
1751         wpa_hexdump(MSG_MSGDUMP, "OID_802_11_CAPABILITY", (u8 *) buf, len);
1752         c = (NDIS_802_11_CAPABILITY *) buf;
1753         if (len < sizeof(*c) || c->Version != 2) {
1754                 wpa_printf(MSG_DEBUG, "NDIS: unsupported "
1755                            "OID_802_11_CAPABILITY data");
1756                 return;
1757         }
1758         wpa_printf(MSG_DEBUG, "NDIS: Driver supports OID_802_11_CAPABILITY - "
1759                    "NoOfPMKIDs %d NoOfAuthEncrPairs %d",
1760                    (int) c->NoOfPMKIDs,
1761                    (int) c->NoOfAuthEncryptPairsSupported);
1762         drv->has_capability = 1;
1763         drv->no_of_pmkid = c->NoOfPMKIDs;
1764         for (i = 0; i < c->NoOfAuthEncryptPairsSupported; i++) {
1765                 NDIS_802_11_AUTHENTICATION_ENCRYPTION *ae;
1766                 ae = &c->AuthenticationEncryptionSupported[i];
1767                 if ((char *) (ae + 1) > buf + len) {
1768                         wpa_printf(MSG_DEBUG, "NDIS: auth/encr pair list "
1769                                    "overflow");
1770                         break;
1771                 }
1772                 wpa_printf(MSG_MSGDUMP, "NDIS: %d - auth %d encr %d",
1773                            i, (int) ae->AuthModeSupported,
1774                            (int) ae->EncryptStatusSupported);
1775                 switch (ae->AuthModeSupported) {
1776                 case Ndis802_11AuthModeOpen:
1777                         drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1778                         break;
1779                 case Ndis802_11AuthModeShared:
1780                         drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1781                         break;
1782                 case Ndis802_11AuthModeWPA:
1783                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1784                         break;
1785                 case Ndis802_11AuthModeWPAPSK:
1786                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1787                         break;
1788                 case Ndis802_11AuthModeWPA2:
1789                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
1790                         break;
1791                 case Ndis802_11AuthModeWPA2PSK:
1792                         drv->capa.key_mgmt |=
1793                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1794                         break;
1795                 case Ndis802_11AuthModeWPANone:
1796                         drv->capa.key_mgmt |=
1797                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
1798                         break;
1799                 default:
1800                         break;
1801                 }
1802                 switch (ae->EncryptStatusSupported) {
1803                 case Ndis802_11Encryption1Enabled:
1804                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40;
1805                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP104;
1806                         break;
1807                 case Ndis802_11Encryption2Enabled:
1808                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1809                         break;
1810                 case Ndis802_11Encryption3Enabled:
1811                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1812                         break;
1813                 default:
1814                         break;
1815                 }
1816         }
1817
1818         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1819                    "enc 0x%x auth 0x%x",
1820                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1821 }
1822
1823
1824 static int wpa_driver_ndis_get_capa(void *priv, struct wpa_driver_capa *capa)
1825 {
1826         struct wpa_driver_ndis_data *drv = priv;
1827         if (!drv->has_capability)
1828                 return -1;
1829         os_memcpy(capa, &drv->capa, sizeof(*capa));
1830         return 0;
1831 }
1832
1833
1834 static const char * wpa_driver_ndis_get_ifname(void *priv)
1835 {
1836         struct wpa_driver_ndis_data *drv = priv;
1837         return drv->ifname;
1838 }
1839
1840
1841 static const u8 * wpa_driver_ndis_get_mac_addr(void *priv)
1842 {
1843         struct wpa_driver_ndis_data *drv = priv;
1844         return drv->own_addr;
1845 }
1846
1847
1848 #ifdef _WIN32_WCE
1849
1850 #define NDISUIO_MSG_SIZE (sizeof(NDISUIO_DEVICE_NOTIFICATION) + 512)
1851
1852 static void ndisuio_notification_receive(void *eloop_data, void *user_ctx)
1853 {
1854         struct wpa_driver_ndis_data *drv = eloop_data;
1855         NDISUIO_DEVICE_NOTIFICATION *hdr;
1856         u8 buf[NDISUIO_MSG_SIZE];
1857         DWORD len, flags;
1858
1859         if (!ReadMsgQueue(drv->event_queue, buf, NDISUIO_MSG_SIZE, &len, 0,
1860                           &flags)) {
1861                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1862                            "ReadMsgQueue failed: %d", (int) GetLastError());
1863                 return;
1864         }
1865
1866         if (len < sizeof(NDISUIO_DEVICE_NOTIFICATION)) {
1867                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1868                            "Too short message (len=%d)", (int) len);
1869                 return;
1870         }
1871
1872         hdr = (NDISUIO_DEVICE_NOTIFICATION *) buf;
1873         wpa_printf(MSG_DEBUG, "NDIS: Notification received: len=%d type=0x%x",
1874                    (int) len, hdr->dwNotificationType);
1875
1876         switch (hdr->dwNotificationType) {
1877 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1878         case NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL:
1879                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_ARRIVAL");
1880                 wpa_driver_ndis_event_adapter_arrival(drv);
1881                 break;
1882 #endif
1883 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1884         case NDISUIO_NOTIFICATION_ADAPTER_REMOVAL:
1885                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_REMOVAL");
1886                 wpa_driver_ndis_event_adapter_removal(drv);
1887                 break;
1888 #endif
1889         case NDISUIO_NOTIFICATION_MEDIA_CONNECT:
1890                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_CONNECT");
1891                 SetEvent(drv->connected_event);
1892                 wpa_driver_ndis_event_connect(drv);
1893                 break;
1894         case NDISUIO_NOTIFICATION_MEDIA_DISCONNECT:
1895                 ResetEvent(drv->connected_event);
1896                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_DISCONNECT");
1897                 wpa_driver_ndis_event_disconnect(drv);
1898                 break;
1899         case NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION:
1900                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_SPECIFIC_NOTIFICATION");
1901 #if _WIN32_WCE == 420 || _WIN32_WCE == 0x420
1902                 wpa_driver_ndis_event_media_specific(
1903                         drv, hdr->pvStatusBuffer, hdr->uiStatusBufferSize);
1904 #else
1905                 wpa_driver_ndis_event_media_specific(
1906                         drv, ((const u8 *) hdr) + hdr->uiOffsetToStatusBuffer,
1907                         (size_t) hdr->uiStatusBufferSize);
1908 #endif
1909                 break;
1910         default:
1911                 wpa_printf(MSG_DEBUG, "NDIS: Unknown notification type 0x%x",
1912                            hdr->dwNotificationType);
1913                 break;
1914         }
1915 }
1916
1917
1918 static void ndisuio_notification_deinit(struct wpa_driver_ndis_data *drv)
1919 {
1920         NDISUIO_REQUEST_NOTIFICATION req;
1921
1922         memset(&req, 0, sizeof(req));
1923         req.hMsgQueue = drv->event_queue;
1924         req.dwNotificationTypes = 0;
1925
1926         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1927                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
1928                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1929                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1930                            (int) GetLastError());
1931         }
1932
1933         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_CANCEL_NOTIFICATION,
1934                              NULL, 0, NULL, 0, NULL, NULL)) {
1935                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1936                            "IOCTL_NDISUIO_CANCEL_NOTIFICATION failed: %d",
1937                            (int) GetLastError());
1938         }
1939
1940         if (drv->event_queue) {
1941                 eloop_unregister_event(drv->event_queue,
1942                                        sizeof(drv->event_queue));
1943                 CloseHandle(drv->event_queue);
1944                 drv->event_queue = NULL;
1945         }
1946
1947         if (drv->connected_event) {
1948                 CloseHandle(drv->connected_event);
1949                 drv->connected_event = NULL;
1950         }
1951 }
1952
1953
1954 static int ndisuio_notification_init(struct wpa_driver_ndis_data *drv)
1955 {
1956         MSGQUEUEOPTIONS opt;
1957         NDISUIO_REQUEST_NOTIFICATION req;
1958
1959         drv->connected_event =
1960                 CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
1961         if (drv->connected_event == NULL) {
1962                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1963                            "CreateEvent failed: %d",
1964                            (int) GetLastError());
1965                 return -1;
1966         }
1967
1968         memset(&opt, 0, sizeof(opt));
1969         opt.dwSize = sizeof(opt);
1970         opt.dwMaxMessages = 5;
1971         opt.cbMaxMessage = NDISUIO_MSG_SIZE;
1972         opt.bReadAccess = TRUE;
1973
1974         drv->event_queue = CreateMsgQueue(NULL, &opt);
1975         if (drv->event_queue == NULL) {
1976                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1977                            "CreateMsgQueue failed: %d",
1978                            (int) GetLastError());
1979                 ndisuio_notification_deinit(drv);
1980                 return -1;
1981         }
1982
1983         memset(&req, 0, sizeof(req));
1984         req.hMsgQueue = drv->event_queue;
1985         req.dwNotificationTypes =
1986 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1987                 NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL |
1988 #endif
1989 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1990                 NDISUIO_NOTIFICATION_ADAPTER_REMOVAL |
1991 #endif
1992                 NDISUIO_NOTIFICATION_MEDIA_CONNECT |
1993                 NDISUIO_NOTIFICATION_MEDIA_DISCONNECT |
1994                 NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION;
1995
1996         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1997                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
1998                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1999                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
2000                            (int) GetLastError());
2001                 ndisuio_notification_deinit(drv);
2002                 return -1;
2003         }
2004
2005         eloop_register_event(drv->event_queue, sizeof(drv->event_queue),
2006                              ndisuio_notification_receive, drv, NULL);
2007
2008         return 0;
2009 }
2010 #endif /* _WIN32_WCE */
2011
2012
2013 static int wpa_driver_ndis_get_names(struct wpa_driver_ndis_data *drv)
2014 {
2015 #ifdef CONFIG_USE_NDISUIO
2016         NDISUIO_QUERY_BINDING *b;
2017         size_t blen = sizeof(*b) + 1024;
2018         int i, error, found = 0;
2019         DWORD written;
2020         char name[256], desc[256], *dpos;
2021         WCHAR *pos;
2022         size_t j, len, dlen;
2023
2024         b = os_malloc(blen);
2025         if (b == NULL)
2026                 return -1;
2027
2028         for (i = 0; ; i++) {
2029                 os_memset(b, 0, blen);
2030                 b->BindingIndex = i;
2031                 if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
2032                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
2033                                      &written, NULL)) {
2034                         error = (int) GetLastError();
2035                         if (error == ERROR_NO_MORE_ITEMS)
2036                                 break;
2037                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
2038                                    "failed: %d", error);
2039                         break;
2040                 }
2041
2042                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
2043                 len = b->DeviceNameLength;
2044                 if (len >= sizeof(name))
2045                         len = sizeof(name) - 1;
2046                 for (j = 0; j < len; j++)
2047                         name[j] = (char) pos[j];
2048                 name[len] = '\0';
2049
2050                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
2051                 len = b->DeviceDescrLength;
2052                 if (len >= sizeof(desc))
2053                         len = sizeof(desc) - 1;
2054                 for (j = 0; j < len; j++)
2055                         desc[j] = (char) pos[j];
2056                 desc[len] = '\0';
2057
2058                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
2059
2060                 if (os_strstr(name, drv->ifname)) {
2061                         wpa_printf(MSG_DEBUG, "NDIS: Interface name match");
2062                         found = 1;
2063                         break;
2064                 }
2065
2066                 if (os_strncmp(desc, drv->ifname, os_strlen(drv->ifname)) == 0)
2067                 {
2068                         wpa_printf(MSG_DEBUG, "NDIS: Interface description "
2069                                    "match");
2070                         found = 1;
2071                         break;
2072                 }
2073         }
2074
2075         if (!found) {
2076                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2077                            drv->ifname);
2078                 os_free(b);
2079                 return -1;
2080         }
2081
2082         os_strlcpy(drv->ifname,
2083                    os_strncmp(name, "\\DEVICE\\", 8) == 0 ? name + 8 : name,
2084                    sizeof(drv->ifname));
2085 #ifdef _WIN32_WCE
2086         drv->adapter_name = wpa_strdup_tchar(drv->ifname);
2087         if (drv->adapter_name == NULL) {
2088                 wpa_printf(MSG_ERROR, "NDIS: Failed to allocate memory for "
2089                            "adapter name");
2090                 os_free(b);
2091                 return -1;
2092         }
2093 #endif /* _WIN32_WCE */
2094
2095         dpos = os_strstr(desc, " - ");
2096         if (dpos)
2097                 dlen = dpos - desc;
2098         else
2099                 dlen = os_strlen(desc);
2100         drv->adapter_desc = os_malloc(dlen + 1);
2101         if (drv->adapter_desc) {
2102                 os_memcpy(drv->adapter_desc, desc, dlen);
2103                 drv->adapter_desc[dlen] = '\0';
2104         }
2105
2106         os_free(b);
2107
2108         if (drv->adapter_desc == NULL)
2109                 return -1;
2110
2111         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2112                    drv->adapter_desc);
2113
2114         return 0;
2115 #else /* CONFIG_USE_NDISUIO */
2116         PTSTR _names;
2117         char *names, *pos, *pos2;
2118         ULONG len;
2119         BOOLEAN res;
2120 #define MAX_ADAPTERS 32
2121         char *name[MAX_ADAPTERS];
2122         char *desc[MAX_ADAPTERS];
2123         int num_name, num_desc, i, found_name, found_desc;
2124         size_t dlen;
2125
2126         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
2127                    PacketGetVersion());
2128
2129         len = 8192;
2130         _names = os_zalloc(len);
2131         if (_names == NULL)
2132                 return -1;
2133
2134         res = PacketGetAdapterNames(_names, &len);
2135         if (!res && len > 8192) {
2136                 os_free(_names);
2137                 _names = os_zalloc(len);
2138                 if (_names == NULL)
2139                         return -1;
2140                 res = PacketGetAdapterNames(_names, &len);
2141         }
2142
2143         if (!res) {
2144                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
2145                            "(PacketGetAdapterNames)");
2146                 os_free(_names);
2147                 return -1;
2148         }
2149
2150         names = (char *) _names;
2151         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
2152                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
2153                            "UNICODE");
2154                 /* Convert to ASCII */
2155                 pos2 = pos = names;
2156                 while (pos2 < names + len) {
2157                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
2158                             pos2[2] == '\0' && pos2[3] == '\0') {
2159                                 pos2 += 4;
2160                                 break;
2161                         }
2162                         *pos++ = pos2[0];
2163                         pos2 += 2;
2164                 }
2165                 os_memcpy(pos + 2, names, pos - names);
2166                 pos += 2;
2167         } else
2168                 pos = names;
2169
2170         num_name = 0;
2171         while (pos < names + len) {
2172                 name[num_name] = pos;
2173                 while (*pos && pos < names + len)
2174                         pos++;
2175                 if (pos + 1 >= names + len) {
2176                         os_free(names);
2177                         return -1;
2178                 }
2179                 pos++;
2180                 num_name++;
2181                 if (num_name >= MAX_ADAPTERS) {
2182                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
2183                         os_free(names);
2184                         return -1;
2185                 }
2186                 if (*pos == '\0') {
2187                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
2188                                    num_name);
2189                         pos++;
2190                         break;
2191                 }
2192         }
2193
2194         num_desc = 0;
2195         while (pos < names + len) {
2196                 desc[num_desc] = pos;
2197                 while (*pos && pos < names + len)
2198                         pos++;
2199                 if (pos + 1 >= names + len) {
2200                         os_free(names);
2201                         return -1;
2202                 }
2203                 pos++;
2204                 num_desc++;
2205                 if (num_desc >= MAX_ADAPTERS) {
2206                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
2207                                    "descriptions");
2208                         os_free(names);
2209                         return -1;
2210                 }
2211                 if (*pos == '\0') {
2212                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
2213                                    "found", num_name);
2214                         pos++;
2215                         break;
2216                 }
2217         }
2218
2219         /*
2220          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
2221          * descriptions. Fill in dummy descriptors to work around this.
2222          */
2223         while (num_desc < num_name)
2224                 desc[num_desc++] = "dummy description";
2225
2226         if (num_name != num_desc) {
2227                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
2228                            "description counts (%d != %d)",
2229                            num_name, num_desc);
2230                 os_free(names);
2231                 return -1;
2232         }
2233
2234         found_name = found_desc = -1;
2235         for (i = 0; i < num_name; i++) {
2236                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s",
2237                            i, name[i], desc[i]);
2238                 if (found_name == -1 && os_strstr(name[i], drv->ifname))
2239                         found_name = i;
2240                 if (found_desc == -1 &&
2241                     os_strncmp(desc[i], drv->ifname, os_strlen(drv->ifname)) ==
2242                     0)
2243                         found_desc = i;
2244         }
2245
2246         if (found_name < 0 && found_desc >= 0) {
2247                 wpa_printf(MSG_DEBUG, "NDIS: Matched interface '%s' based on "
2248                            "description '%s'",
2249                            name[found_desc], desc[found_desc]);
2250                 found_name = found_desc;
2251                 os_strlcpy(drv->ifname,
2252                            os_strncmp(name[found_desc], "\\Device\\NPF_", 12)
2253                            == 0 ? name[found_desc] + 12 : name[found_desc],
2254                            sizeof(drv->ifname));
2255         }
2256
2257         if (found_name < 0) {
2258                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2259                            drv->ifname);
2260                 os_free(names);
2261                 return -1;
2262         }
2263
2264         i = found_name;
2265         pos = os_strrchr(desc[i], '(');
2266         if (pos) {
2267                 dlen = pos - desc[i];
2268                 pos--;
2269                 if (pos > desc[i] && *pos == ' ')
2270                         dlen--;
2271         } else {
2272                 dlen = os_strlen(desc[i]);
2273         }
2274         drv->adapter_desc = os_malloc(dlen + 1);
2275         if (drv->adapter_desc) {
2276                 os_memcpy(drv->adapter_desc, desc[i], dlen);
2277                 drv->adapter_desc[dlen] = '\0';
2278         }
2279
2280         os_free(names);
2281
2282         if (drv->adapter_desc == NULL)
2283                 return -1;
2284
2285         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2286                    drv->adapter_desc);
2287
2288         return 0;
2289 #endif /* CONFIG_USE_NDISUIO */
2290 }
2291
2292
2293 #if defined(CONFIG_NATIVE_WINDOWS) || defined(__CYGWIN__)
2294 #ifndef _WIN32_WCE
2295 /*
2296  * These structures are undocumented for WinXP; only WinCE version is
2297  * documented. These would be included wzcsapi.h if it were available. Some
2298  * changes here have been needed to make the structures match with WinXP SP2.
2299  * It is unclear whether these work with any other version.
2300  */
2301
2302 typedef struct {
2303         LPWSTR wszGuid;
2304 } INTF_KEY_ENTRY, *PINTF_KEY_ENTRY;
2305
2306 typedef struct {
2307         DWORD dwNumIntfs;
2308         PINTF_KEY_ENTRY pIntfs;
2309 } INTFS_KEY_TABLE, *PINTFS_KEY_TABLE;
2310
2311 typedef struct {
2312         DWORD dwDataLen;
2313         LPBYTE pData;
2314 } RAW_DATA, *PRAW_DATA;
2315
2316 typedef struct {
2317         LPWSTR wszGuid;
2318         LPWSTR wszDescr;
2319         ULONG ulMediaState;
2320         ULONG ulMediaType;
2321         ULONG ulPhysicalMediaType;
2322         INT nInfraMode;
2323         INT nAuthMode;
2324         INT nWepStatus;
2325 #ifndef _WIN32_WCE
2326         u8 pad[2]; /* why is this needed? */
2327 #endif /* _WIN32_WCE */
2328         DWORD dwCtlFlags;
2329         DWORD dwCapabilities; /* something added for WinXP SP2(?) */
2330         RAW_DATA rdSSID;
2331         RAW_DATA rdBSSID;
2332         RAW_DATA rdBSSIDList;
2333         RAW_DATA rdStSSIDList;
2334         RAW_DATA rdCtrlData;
2335 #ifdef UNDER_CE
2336         BOOL bInitialized;
2337 #endif
2338         DWORD nWPAMCastCipher;
2339         /* add some extra buffer for later additions since this interface is
2340          * far from stable */
2341         u8 later_additions[100];
2342 } INTF_ENTRY, *PINTF_ENTRY;
2343
2344 #define INTF_ALL 0xffffffff
2345 #define INTF_ALL_FLAGS 0x0000ffff
2346 #define INTF_CTLFLAGS 0x00000010
2347 #define INTFCTL_ENABLED 0x8000
2348 #endif /* _WIN32_WCE */
2349
2350
2351 #ifdef _WIN32_WCE
2352 static int wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data *drv)
2353 {
2354         HANDLE ndis;
2355         TCHAR multi[100];
2356         int len;
2357
2358         len = _tcslen(drv->adapter_name);
2359         if (len > 80)
2360                 return -1;
2361
2362         ndis = CreateFile(DD_NDIS_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE,
2363                           0, NULL, OPEN_EXISTING, 0, NULL);
2364         if (ndis == INVALID_HANDLE_VALUE) {
2365                 wpa_printf(MSG_DEBUG, "NDIS: Failed to open file to NDIS "
2366                            "device: %d", (int) GetLastError());
2367                 return -1;
2368         }
2369
2370         len++;
2371         memcpy(multi, drv->adapter_name, len * sizeof(TCHAR));
2372         memcpy(&multi[len], TEXT("NDISUIO\0"), 9 * sizeof(TCHAR));
2373         len += 9;
2374
2375         if (!DeviceIoControl(ndis, IOCTL_NDIS_REBIND_ADAPTER,
2376                              multi, len * sizeof(TCHAR), NULL, 0, NULL, NULL))
2377         {
2378                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDIS_REBIND_ADAPTER "
2379                            "failed: 0x%x", (int) GetLastError());
2380                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: rebind multi_sz",
2381                                   (u8 *) multi, len * sizeof(TCHAR));
2382                 CloseHandle(ndis);
2383                 return -1;
2384         }
2385
2386         CloseHandle(ndis);
2387
2388         wpa_printf(MSG_DEBUG, "NDIS: Requested NDIS rebind of NDISUIO "
2389                    "protocol");
2390
2391         return 0;
2392 }
2393 #endif /* _WIN32_WCE */
2394
2395
2396 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2397                                    int enable)
2398 {
2399 #ifdef _WIN32_WCE
2400         HKEY hk, hk2;
2401         LONG ret;
2402         DWORD i, hnd, len;
2403         TCHAR keyname[256], devname[256];
2404
2405 #define WZC_DRIVER TEXT("Drivers\\BuiltIn\\ZeroConfig")
2406
2407         if (enable) {
2408                 HANDLE h;
2409                 h = ActivateDeviceEx(WZC_DRIVER, NULL, 0, NULL);
2410                 if (h == INVALID_HANDLE_VALUE || h == 0) {
2411                         wpa_printf(MSG_DEBUG, "NDIS: Failed to re-enable WZC "
2412                                    "- ActivateDeviceEx failed: %d",
2413                                    (int) GetLastError());
2414                         return -1;
2415                 }
2416
2417                 wpa_printf(MSG_DEBUG, "NDIS: WZC re-enabled");
2418                 return wpa_driver_ndis_rebind_adapter(drv);
2419         }
2420
2421         /*
2422          * Unfortunately, just disabling the WZC for an interface is not enough
2423          * to free NDISUIO for us, so need to disable and unload WZC completely
2424          * for now when using WinCE with NDISUIO. In addition, must request
2425          * NDISUIO protocol to be rebound to the adapter in order to free the
2426          * NDISUIO binding that WZC hold before us.
2427          */
2428
2429         /* Enumerate HKLM\Drivers\Active\* to find a handle to WZC. */
2430         ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, DEVLOAD_ACTIVE_KEY, 0, 0, &hk);
2431         if (ret != ERROR_SUCCESS) {
2432                 wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(DEVLOAD_ACTIVE_KEY) "
2433                            "failed: %d %d", (int) ret, (int) GetLastError());
2434                 return -1;
2435         }
2436
2437         for (i = 0; ; i++) {
2438                 len = sizeof(keyname);
2439                 ret = RegEnumKeyEx(hk, i, keyname, &len, NULL, NULL, NULL,
2440                                    NULL);
2441                 if (ret != ERROR_SUCCESS) {
2442                         wpa_printf(MSG_DEBUG, "NDIS: Could not find active "
2443                                    "WZC - assuming it is not running.");
2444                         RegCloseKey(hk);
2445                         return -1;
2446                 }
2447
2448                 ret = RegOpenKeyEx(hk, keyname, 0, 0, &hk2);
2449                 if (ret != ERROR_SUCCESS) {
2450                         wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(active dev) "
2451                                    "failed: %d %d",
2452                                    (int) ret, (int) GetLastError());
2453                         continue;
2454                 }
2455
2456                 len = sizeof(devname);
2457                 ret = RegQueryValueEx(hk2, DEVLOAD_DEVKEY_VALNAME, NULL, NULL,
2458                                       (LPBYTE) devname, &len);
2459                 if (ret != ERROR_SUCCESS) {
2460                         wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx("
2461                                    "DEVKEY_VALNAME) failed: %d %d",
2462                                    (int) ret, (int) GetLastError());
2463                         RegCloseKey(hk2);
2464                         continue;
2465                 }
2466
2467                 if (_tcscmp(devname, WZC_DRIVER) == 0)
2468                         break;
2469
2470                 RegCloseKey(hk2);
2471         }
2472
2473         RegCloseKey(hk);
2474
2475         /* Found WZC - get handle to it. */
2476         len = sizeof(hnd);
2477         ret = RegQueryValueEx(hk2, DEVLOAD_HANDLE_VALNAME, NULL, NULL,
2478                               (PUCHAR) &hnd, &len);
2479         if (ret != ERROR_SUCCESS) {
2480                 wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx(HANDLE_VALNAME) "
2481                            "failed: %d %d", (int) ret, (int) GetLastError());
2482                 RegCloseKey(hk2);
2483                 return -1;
2484         }
2485
2486         RegCloseKey(hk2);
2487
2488         /* Deactivate WZC */
2489         if (!DeactivateDevice((HANDLE) hnd)) {
2490                 wpa_printf(MSG_DEBUG, "NDIS: DeactivateDevice failed: %d",
2491                            (int) GetLastError());
2492                 return -1;
2493         }
2494
2495         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily");
2496         drv->wzc_disabled = 1;
2497         return wpa_driver_ndis_rebind_adapter(drv);
2498
2499 #else /* _WIN32_WCE */
2500
2501         HMODULE hm;
2502         DWORD (WINAPI *wzc_enum_interf)(LPWSTR pSrvAddr,
2503                                         PINTFS_KEY_TABLE pIntfs);
2504         DWORD (WINAPI *wzc_query_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2505                                          PINTF_ENTRY pIntf,
2506                                          LPDWORD pdwOutFlags);
2507         DWORD (WINAPI *wzc_set_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2508                                        PINTF_ENTRY pIntf, LPDWORD pdwOutFlags);
2509         int ret = -1, j;
2510         DWORD res;
2511         INTFS_KEY_TABLE guids;
2512         INTF_ENTRY intf;
2513         char guid[128];
2514         WCHAR *pos;
2515         DWORD flags, i;
2516
2517         hm = LoadLibrary(TEXT("wzcsapi.dll"));
2518         if (hm == NULL) {
2519                 wpa_printf(MSG_DEBUG, "NDIS: Failed to load wzcsapi.dll (%u) "
2520                            "- WZC probably not running",
2521                            (unsigned int) GetLastError());
2522                 return -1;
2523         }
2524
2525 #ifdef _WIN32_WCE
2526         wzc_enum_interf = (void *) GetProcAddressA(hm, "WZCEnumInterfaces");
2527         wzc_query_interf = (void *) GetProcAddressA(hm, "WZCQueryInterface");
2528         wzc_set_interf = (void *) GetProcAddressA(hm, "WZCSetInterface");
2529 #else /* _WIN32_WCE */
2530         wzc_enum_interf = (void *) GetProcAddress(hm, "WZCEnumInterfaces");
2531         wzc_query_interf = (void *) GetProcAddress(hm, "WZCQueryInterface");
2532         wzc_set_interf = (void *) GetProcAddress(hm, "WZCSetInterface");
2533 #endif /* _WIN32_WCE */
2534
2535         if (wzc_enum_interf == NULL || wzc_query_interf == NULL ||
2536             wzc_set_interf == NULL) {
2537                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces, "
2538                            "WZCQueryInterface, or WZCSetInterface not found "
2539                            "in wzcsapi.dll");
2540                 goto fail;
2541         }
2542
2543         os_memset(&guids, 0, sizeof(guids));
2544         res = wzc_enum_interf(NULL, &guids);
2545         if (res != 0) {
2546                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces failed: %d; "
2547                            "WZC service is apparently not running",
2548                            (int) res);
2549                 goto fail;
2550         }
2551
2552         wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces: %d interfaces",
2553                    (int) guids.dwNumIntfs);
2554
2555         for (i = 0; i < guids.dwNumIntfs; i++) {
2556                 pos = guids.pIntfs[i].wszGuid;
2557                 for (j = 0; j < sizeof(guid); j++) {
2558                         guid[j] = (char) *pos;
2559                         if (*pos == 0)
2560                                 break;
2561                         pos++;
2562                 }
2563                 guid[sizeof(guid) - 1] = '\0';
2564                 wpa_printf(MSG_DEBUG, "NDIS: intfs %d GUID '%s'",
2565                            (int) i, guid);
2566                 if (os_strstr(drv->ifname, guid) == NULL)
2567                         continue;
2568
2569                 wpa_printf(MSG_DEBUG, "NDIS: Current interface found from "
2570                            "WZC");
2571                 break;
2572         }
2573
2574         if (i >= guids.dwNumIntfs) {
2575                 wpa_printf(MSG_DEBUG, "NDIS: Current interface not found from "
2576                            "WZC");
2577                 goto fail;
2578         }
2579
2580         os_memset(&intf, 0, sizeof(intf));
2581         intf.wszGuid = guids.pIntfs[i].wszGuid;
2582         /* Set flags to verify that the structure has not changed. */
2583         intf.dwCtlFlags = -1;
2584         flags = 0;
2585         res = wzc_query_interf(NULL, INTFCTL_ENABLED, &intf, &flags);
2586         if (res != 0) {
2587                 wpa_printf(MSG_DEBUG, "NDIS: Could not query flags for the "
2588                            "WZC interface: %d (0x%x)",
2589                            (int) res, (int) res);
2590                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2591                            (unsigned int) GetLastError());
2592                 goto fail;
2593         }
2594
2595         wpa_printf(MSG_DEBUG, "NDIS: WZC interface flags 0x%x dwCtlFlags 0x%x",
2596                    (int) flags, (int) intf.dwCtlFlags);
2597
2598         if (intf.dwCtlFlags == -1) {
2599                 wpa_printf(MSG_DEBUG, "NDIS: Looks like wzcsapi has changed "
2600                            "again - could not disable WZC");
2601                 wpa_hexdump(MSG_MSGDUMP, "NDIS: intf",
2602                             (u8 *) &intf, sizeof(intf));
2603                 goto fail;
2604         }
2605
2606         if (enable) {
2607                 if (!(intf.dwCtlFlags & INTFCTL_ENABLED)) {
2608                         wpa_printf(MSG_DEBUG, "NDIS: Enabling WZC for this "
2609                                    "interface");
2610                         intf.dwCtlFlags |= INTFCTL_ENABLED;
2611                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2612                                              &flags);
2613                         if (res != 0) {
2614                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to enable "
2615                                            "WZC: %d (0x%x)",
2616                                            (int) res, (int) res);
2617                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2618                                            (unsigned int) GetLastError());
2619                                 goto fail;
2620                         }
2621                         wpa_printf(MSG_DEBUG, "NDIS: Re-enabled WZC for this "
2622                                    "interface");
2623                         drv->wzc_disabled = 0;
2624                 }
2625         } else {
2626                 if (intf.dwCtlFlags & INTFCTL_ENABLED) {
2627                         wpa_printf(MSG_DEBUG, "NDIS: Disabling WZC for this "
2628                                    "interface");
2629                         intf.dwCtlFlags &= ~INTFCTL_ENABLED;
2630                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2631                                              &flags);
2632                         if (res != 0) {
2633                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to "
2634                                            "disable WZC: %d (0x%x)",
2635                                            (int) res, (int) res);
2636                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2637                                            (unsigned int) GetLastError());
2638                                 goto fail;
2639                         }
2640                         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily "
2641                                    "for this interface");
2642                         drv->wzc_disabled = 1;
2643                 } else {
2644                         wpa_printf(MSG_DEBUG, "NDIS: WZC was not enabled for "
2645                                    "this interface");
2646                 }
2647         }
2648
2649         ret = 0;
2650
2651 fail:
2652         FreeLibrary(hm);
2653
2654         return ret;
2655 #endif /* _WIN32_WCE */
2656 }
2657
2658 #else /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2659
2660 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2661                                    int enable)
2662 {
2663         return 0;
2664 }
2665
2666 #endif /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2667
2668
2669 #ifdef CONFIG_USE_NDISUIO
2670 /*
2671  * l2_packet_ndis.c is sharing the same handle to NDISUIO, so we must be able
2672  * to export this handle. This is somewhat ugly, but there is no better
2673  * mechanism available to pass data from driver interface to l2_packet wrapper.
2674  */
2675 static HANDLE driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2676
2677 HANDLE driver_ndis_get_ndisuio_handle(void)
2678 {
2679         return driver_ndis_ndisuio_handle;
2680 }
2681 #endif /* CONFIG_USE_NDISUIO */
2682
2683
2684 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv)
2685 {
2686 #ifdef CONFIG_USE_NDISUIO
2687 #ifndef _WIN32_WCE
2688 #define NDISUIO_DEVICE_NAME TEXT("\\\\.\\\\Ndisuio")
2689         DWORD written;
2690 #endif /* _WIN32_WCE */
2691         drv->ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2692                                   GENERIC_READ | GENERIC_WRITE, 0, NULL,
2693                                   OPEN_EXISTING,
2694                                   FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2695                                   INVALID_HANDLE_VALUE);
2696         if (drv->ndisuio == INVALID_HANDLE_VALUE) {
2697                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2698                            "NDISUIO: %d", (int) GetLastError());
2699                 return -1;
2700         }
2701         driver_ndis_ndisuio_handle = drv->ndisuio;
2702
2703 #ifndef _WIN32_WCE
2704         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2705                              NULL, 0, &written, NULL)) {
2706                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2707                            "%d", (int) GetLastError());
2708                 CloseHandle(drv->ndisuio);
2709                 drv->ndisuio = INVALID_HANDLE_VALUE;
2710                 return -1;
2711         }
2712 #endif /* _WIN32_WCE */
2713
2714         return 0;
2715 #else /* CONFIG_USE_NDISUIO */
2716         return 0;
2717 #endif /* CONFIG_USE_NDISUIO */
2718 }
2719
2720
2721 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv)
2722 {
2723 #ifdef CONFIG_USE_NDISUIO
2724         DWORD written;
2725 #define MAX_NDIS_DEVICE_NAME_LEN 256
2726         WCHAR ifname[MAX_NDIS_DEVICE_NAME_LEN];
2727         size_t len, i, pos;
2728         const char *prefix = "\\DEVICE\\";
2729
2730 #ifdef _WIN32_WCE
2731         pos = 0;
2732 #else /* _WIN32_WCE */
2733         pos = 8;
2734 #endif /* _WIN32_WCE */
2735         len = pos + os_strlen(drv->ifname);
2736         if (len >= MAX_NDIS_DEVICE_NAME_LEN)
2737                 return -1;
2738         for (i = 0; i < pos; i++)
2739                 ifname[i] = (WCHAR) prefix[i];
2740         for (i = pos; i < len; i++)
2741                 ifname[i] = (WCHAR) drv->ifname[i - pos];
2742         ifname[i] = L'\0';
2743
2744         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_OPEN_DEVICE,
2745                              ifname, len * sizeof(WCHAR), NULL, 0, &written,
2746                              NULL)) {
2747                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_OPEN_DEVICE "
2748                            "failed: %d", (int) GetLastError());
2749                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: ifname",
2750                                   (const u8 *) ifname, len * sizeof(WCHAR));
2751                 CloseHandle(drv->ndisuio);
2752                 drv->ndisuio = INVALID_HANDLE_VALUE;
2753                 return -1;
2754         }
2755
2756         wpa_printf(MSG_DEBUG, "NDIS: Opened NDISUIO device successfully");
2757
2758         return 0;
2759 #else /* CONFIG_USE_NDISUIO */
2760         char ifname[128];
2761         os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", drv->ifname);
2762         drv->adapter = PacketOpenAdapter(ifname);
2763         if (drv->adapter == NULL) {
2764                 wpa_printf(MSG_DEBUG, "NDIS: PacketOpenAdapter failed for "
2765                            "'%s'", ifname);
2766                 return -1;
2767         }
2768         return 0;
2769 #endif /* CONFIG_USE_NDISUIO */
2770 }
2771
2772
2773 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv)
2774 {
2775 #ifdef CONFIG_USE_NDISUIO
2776         driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2777         if (drv->ndisuio != INVALID_HANDLE_VALUE)
2778                 CloseHandle(drv->ndisuio);
2779 #else /* CONFIG_USE_NDISUIO */
2780         if (drv->adapter)
2781                 PacketCloseAdapter(drv->adapter);
2782 #endif /* CONFIG_USE_NDISUIO */
2783 }
2784
2785
2786 static int ndis_add_multicast(struct wpa_driver_ndis_data *drv)
2787 {
2788         if (ndis_set_oid(drv, OID_802_3_MULTICAST_LIST,
2789                          (const char *) pae_group_addr, ETH_ALEN) < 0) {
2790                 wpa_printf(MSG_DEBUG, "NDIS: Failed to add PAE group address "
2791                            "to the multicast list");
2792                 return -1;
2793         }
2794
2795         return 0;
2796 }
2797
2798
2799 static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
2800 {
2801         struct wpa_driver_ndis_data *drv;
2802         u32 mode;
2803
2804         drv = os_zalloc(sizeof(*drv));
2805         if (drv == NULL)
2806                 return NULL;
2807         drv->ctx = ctx;
2808         /*
2809          * Compatibility code to strip possible prefix from the GUID. Previous
2810          * versions include \Device\NPF_ prefix for all names, but the internal
2811          * interface name is now only the GUI. Both Packet32 and NDISUIO
2812          * prefixes are supported.
2813          */
2814         if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
2815                 ifname += 12;
2816         else if (os_strncmp(ifname, "\\DEVICE\\", 8) == 0)
2817                 ifname += 8;
2818         os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
2819
2820         if (wpa_driver_ndis_adapter_init(drv) < 0) {
2821                 os_free(drv);
2822                 return NULL;
2823         }
2824
2825         if (wpa_driver_ndis_get_names(drv) < 0) {
2826                 wpa_driver_ndis_adapter_close(drv);
2827                 os_free(drv);
2828                 return NULL;
2829         }
2830
2831         wpa_driver_ndis_set_wzc(drv, 0);
2832
2833         if (wpa_driver_ndis_adapter_open(drv) < 0) {
2834                 wpa_driver_ndis_adapter_close(drv);
2835                 os_free(drv);
2836                 return NULL;
2837         }
2838
2839         if (ndis_get_oid(drv, OID_802_3_CURRENT_ADDRESS,
2840                          (char *) drv->own_addr, ETH_ALEN) < 0) {
2841                 wpa_printf(MSG_DEBUG, "NDIS: Get OID_802_3_CURRENT_ADDRESS "
2842                            "failed");
2843                 wpa_driver_ndis_adapter_close(drv);
2844                 os_free(drv);
2845                 return NULL;
2846         }
2847         wpa_driver_ndis_get_capability(drv);
2848
2849         /* Make sure that the driver does not have any obsolete PMKID entries.
2850          */
2851         wpa_driver_ndis_flush_pmkid(drv);
2852
2853         /*
2854          * Disconnect to make sure that driver re-associates if it was
2855          * connected.
2856          */
2857         wpa_driver_ndis_disconnect(drv);
2858
2859         eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout, drv, NULL);
2860
2861 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2862         drv->events = ndis_events_init(&drv->events_pipe, &drv->event_avail,
2863                                        drv->ifname, drv->adapter_desc);
2864         if (drv->events == NULL) {
2865                 wpa_driver_ndis_deinit(drv);
2866                 return NULL;
2867         }
2868         eloop_register_event(drv->event_avail, sizeof(drv->event_avail),
2869                              wpa_driver_ndis_event_pipe_cb, drv, NULL);
2870 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2871
2872 #ifdef _WIN32_WCE
2873         if (ndisuio_notification_init(drv) < 0) {
2874                 wpa_driver_ndis_deinit(drv);
2875                 return NULL;
2876         }
2877 #endif /* _WIN32_WCE */
2878
2879         /* Set mode here in case card was configured for ad-hoc mode
2880          * previously. */
2881         mode = Ndis802_11Infrastructure;
2882         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
2883                          (char *) &mode, sizeof(mode)) < 0) {
2884                 char buf[8];
2885                 int res;
2886                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
2887                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
2888                            (int) mode);
2889                 /* Try to continue anyway */
2890
2891                 res = ndis_get_oid(drv, OID_DOT11_CURRENT_OPERATION_MODE, buf,
2892                                    sizeof(buf));
2893                 if (res > 0) {
2894                         wpa_printf(MSG_INFO, "NDIS: The driver seems to use "
2895                                    "Native 802.11 OIDs. These are not yet "
2896                                    "fully supported.");
2897                         drv->native80211 = 1;
2898                 } else if (!drv->has_capability || drv->capa.enc == 0) {
2899                         /*
2900                          * Note: This will also happen with NDIS 6 drivers with
2901                          * Vista.
2902                          */
2903                         wpa_printf(MSG_DEBUG, "NDIS: Driver did not provide "
2904                                    "any wireless capabilities - assume it is "
2905                                    "a wired interface");
2906                         drv->wired = 1;
2907                         drv->capa.flags |= WPA_DRIVER_FLAGS_WIRED;
2908                         drv->has_capability = 1;
2909                         ndis_add_multicast(drv);
2910                 }
2911         }
2912
2913         return drv;
2914 }
2915
2916
2917 static void wpa_driver_ndis_deinit(void *priv)
2918 {
2919         struct wpa_driver_ndis_data *drv = priv;
2920
2921 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2922         if (drv->events) {
2923                 eloop_unregister_event(drv->event_avail,
2924                                        sizeof(drv->event_avail));
2925                 ndis_events_deinit(drv->events);
2926         }
2927 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2928
2929 #ifdef _WIN32_WCE
2930         ndisuio_notification_deinit(drv);
2931 #endif /* _WIN32_WCE */
2932
2933         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
2934         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
2935         wpa_driver_ndis_flush_pmkid(drv);
2936         wpa_driver_ndis_disconnect(drv);
2937         if (wpa_driver_ndis_radio_off(drv) < 0) {
2938                 wpa_printf(MSG_DEBUG, "NDIS: failed to disassociate and turn "
2939                            "radio off");
2940         }
2941
2942         wpa_driver_ndis_adapter_close(drv);
2943
2944         if (drv->wzc_disabled)
2945                 wpa_driver_ndis_set_wzc(drv, 1);
2946
2947 #ifdef _WIN32_WCE
2948         os_free(drv->adapter_name);
2949 #endif /* _WIN32_WCE */
2950         os_free(drv->adapter_desc);
2951         os_free(drv);
2952 }
2953
2954
2955 static struct wpa_interface_info *
2956 wpa_driver_ndis_get_interfaces(void *global_priv)
2957 {
2958         struct wpa_interface_info *iface = NULL, *niface;
2959
2960 #ifdef CONFIG_USE_NDISUIO
2961         NDISUIO_QUERY_BINDING *b;
2962         size_t blen = sizeof(*b) + 1024;
2963         int i, error;
2964         DWORD written;
2965         char name[256], desc[256];
2966         WCHAR *pos;
2967         size_t j, len;
2968         HANDLE ndisuio;
2969
2970         ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2971                              GENERIC_READ | GENERIC_WRITE, 0, NULL,
2972                              OPEN_EXISTING,
2973                              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2974                              INVALID_HANDLE_VALUE);
2975         if (ndisuio == INVALID_HANDLE_VALUE) {
2976                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2977                            "NDISUIO: %d", (int) GetLastError());
2978                 return NULL;
2979         }
2980
2981 #ifndef _WIN32_WCE
2982         if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2983                              NULL, 0, &written, NULL)) {
2984                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2985                            "%d", (int) GetLastError());
2986                 CloseHandle(ndisuio);
2987                 return NULL;
2988         }
2989 #endif /* _WIN32_WCE */
2990
2991         b = os_malloc(blen);
2992         if (b == NULL) {
2993                 CloseHandle(ndisuio);
2994                 return NULL;
2995         }
2996
2997         for (i = 0; ; i++) {
2998                 os_memset(b, 0, blen);
2999                 b->BindingIndex = i;
3000                 if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
3001                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
3002                                      &written, NULL)) {
3003                         error = (int) GetLastError();
3004                         if (error == ERROR_NO_MORE_ITEMS)
3005                                 break;
3006                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
3007                                    "failed: %d", error);
3008                         break;
3009                 }
3010
3011                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
3012                 len = b->DeviceNameLength;
3013                 if (len >= sizeof(name))
3014                         len = sizeof(name) - 1;
3015                 for (j = 0; j < len; j++)
3016                         name[j] = (char) pos[j];
3017                 name[len] = '\0';
3018
3019                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
3020                 len = b->DeviceDescrLength;
3021                 if (len >= sizeof(desc))
3022                         len = sizeof(desc) - 1;
3023                 for (j = 0; j < len; j++)
3024                         desc[j] = (char) pos[j];
3025                 desc[len] = '\0';
3026
3027                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
3028
3029                 niface = os_zalloc(sizeof(*niface));
3030                 if (niface == NULL)
3031                         break;
3032                 niface->drv_name = "ndis";
3033                 if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
3034                         niface->ifname = os_strdup(name + 8);
3035                 else
3036                         niface->ifname = os_strdup(name);
3037                 if (niface->ifname == NULL) {
3038                         os_free(niface);
3039                         break;
3040                 }
3041                 niface->desc = os_strdup(desc);
3042                 niface->next = iface;
3043                 iface = niface;
3044         }
3045
3046         os_free(b);
3047         CloseHandle(ndisuio);
3048 #else /* CONFIG_USE_NDISUIO */
3049         PTSTR _names;
3050         char *names, *pos, *pos2;
3051         ULONG len;
3052         BOOLEAN res;
3053         char *name[MAX_ADAPTERS];
3054         char *desc[MAX_ADAPTERS];
3055         int num_name, num_desc, i;
3056
3057         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
3058                    PacketGetVersion());
3059
3060         len = 8192;
3061         _names = os_zalloc(len);
3062         if (_names == NULL)
3063                 return NULL;
3064
3065         res = PacketGetAdapterNames(_names, &len);
3066         if (!res && len > 8192) {
3067                 os_free(_names);
3068                 _names = os_zalloc(len);
3069                 if (_names == NULL)
3070                         return NULL;
3071                 res = PacketGetAdapterNames(_names, &len);
3072         }
3073
3074         if (!res) {
3075                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
3076                            "(PacketGetAdapterNames)");
3077                 os_free(_names);
3078                 return NULL;
3079         }
3080
3081         names = (char *) _names;
3082         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
3083                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
3084                            "UNICODE");
3085                 /* Convert to ASCII */
3086                 pos2 = pos = names;
3087                 while (pos2 < names + len) {
3088                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
3089                             pos2[2] == '\0' && pos2[3] == '\0') {
3090                                 pos2 += 4;
3091                                 break;
3092                         }
3093                         *pos++ = pos2[0];
3094                         pos2 += 2;
3095                 }
3096                 os_memcpy(pos + 2, names, pos - names);
3097                 pos += 2;
3098         } else
3099                 pos = names;
3100
3101         num_name = 0;
3102         while (pos < names + len) {
3103                 name[num_name] = pos;
3104                 while (*pos && pos < names + len)
3105                         pos++;
3106                 if (pos + 1 >= names + len) {
3107                         os_free(names);
3108                         return NULL;
3109                 }
3110                 pos++;
3111                 num_name++;
3112                 if (num_name >= MAX_ADAPTERS) {
3113                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
3114                         os_free(names);
3115                         return NULL;
3116                 }
3117                 if (*pos == '\0') {
3118                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
3119                                    num_name);
3120                         pos++;
3121                         break;
3122                 }
3123         }
3124
3125         num_desc = 0;
3126         while (pos < names + len) {
3127                 desc[num_desc] = pos;
3128                 while (*pos && pos < names + len)
3129                         pos++;
3130                 if (pos + 1 >= names + len) {
3131                         os_free(names);
3132                         return NULL;
3133                 }
3134                 pos++;
3135                 num_desc++;
3136                 if (num_desc >= MAX_ADAPTERS) {
3137                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
3138                                    "descriptions");
3139                         os_free(names);
3140                         return NULL;
3141                 }
3142                 if (*pos == '\0') {
3143                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
3144                                    "found", num_name);
3145                         pos++;
3146                         break;
3147                 }
3148         }
3149
3150         /*
3151          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
3152          * descriptions. Fill in dummy descriptors to work around this.
3153          */
3154         while (num_desc < num_name)
3155                 desc[num_desc++] = "dummy description";
3156
3157         if (num_name != num_desc) {
3158                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
3159                            "description counts (%d != %d)",
3160                            num_name, num_desc);
3161                 os_free(names);
3162                 return NULL;
3163         }
3164
3165         for (i = 0; i < num_name; i++) {
3166                 niface = os_zalloc(sizeof(*niface));
3167                 if (niface == NULL)
3168                         break;
3169                 niface->drv_name = "ndis";
3170                 if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
3171                         niface->ifname = os_strdup(name[i] + 12);
3172                 else
3173                         niface->ifname = os_strdup(name[i]);
3174                 if (niface->ifname == NULL) {
3175                         os_free(niface);
3176                         break;
3177                 }
3178                 niface->desc = os_strdup(desc[i]);
3179                 niface->next = iface;
3180                 iface = niface;
3181         }
3182
3183 #endif /* CONFIG_USE_NDISUIO */
3184
3185         return iface;
3186 }
3187
3188
3189 const struct wpa_driver_ops wpa_driver_ndis_ops = {
3190         "ndis",
3191         "Windows NDIS driver",
3192         wpa_driver_ndis_get_bssid,
3193         wpa_driver_ndis_get_ssid,
3194         wpa_driver_ndis_set_key,
3195         wpa_driver_ndis_init,
3196         wpa_driver_ndis_deinit,
3197         NULL /* set_param */,
3198         NULL /* set_countermeasures */,
3199         wpa_driver_ndis_deauthenticate,
3200         wpa_driver_ndis_disassociate,
3201         wpa_driver_ndis_associate,
3202         wpa_driver_ndis_add_pmkid,
3203         wpa_driver_ndis_remove_pmkid,
3204         wpa_driver_ndis_flush_pmkid,
3205         wpa_driver_ndis_get_capa,
3206         wpa_driver_ndis_poll,
3207         wpa_driver_ndis_get_ifname,
3208         wpa_driver_ndis_get_mac_addr,
3209         NULL /* send_eapol */,
3210         NULL /* set_operstate */,
3211         NULL /* mlme_setprotection */,
3212         NULL /* get_hw_feature_data */,
3213         NULL /* set_channel */,
3214         NULL /* set_ssid */,
3215         NULL /* set_bssid */,
3216         NULL /* send_mlme */,
3217         NULL /* mlme_add_sta */,
3218         NULL /* mlme_remove_sta */,
3219         NULL /* update_ft_ies */,
3220         NULL /* send_ft_action */,
3221         wpa_driver_ndis_get_scan_results,
3222         NULL /* set_country */,
3223         NULL /* global_init */,
3224         NULL /* global_deinit */,
3225         NULL /* init2 */,
3226         wpa_driver_ndis_get_interfaces,
3227         wpa_driver_ndis_scan,
3228         NULL /* authenticate */,
3229         NULL /* set_beacon */,
3230         NULL /* hapd_init */,
3231         NULL /* hapd_deinit */,
3232         NULL /* set_ieee8021x */,
3233         NULL /* set_privacy */,
3234         NULL /* get_seqnum */,
3235         NULL /* flush */,
3236         NULL /* set_generic_elem */,
3237         NULL /* read_sta_data */,
3238         NULL /* hapd_send_eapol */,
3239         NULL /* sta_deauth */,
3240         NULL /* sta_disassoc */,
3241         NULL /* sta_remove */,
3242         NULL /* hapd_get_ssid */,
3243         NULL /* hapd_set_ssid */,
3244         NULL /* hapd_set_countermeasures */,
3245         NULL /* sta_add */,
3246         NULL /* get_inact_sec */,
3247         NULL /* sta_clear_stats */,
3248         NULL /* set_freq */,
3249         NULL /* set_rts */,
3250         NULL /* set_frag */,
3251         NULL /* sta_set_flags */,
3252         NULL /* set_rate_sets */,
3253         NULL /* set_cts_protect */,
3254         NULL /* set_preamble */,
3255         NULL /* set_short_slot_time */,
3256         NULL /* set_tx_queue_params */,
3257         NULL /* valid_bss_mask */,
3258         NULL /* if_add */,
3259         NULL /* if_remove */,
3260         NULL /* set_sta_vlan */,
3261         NULL /* commit */,
3262         NULL /* send_ether */,
3263         NULL /* set_radius_acl_auth */,
3264         NULL /* set_radius_acl_expire */,
3265         NULL /* set_ht_params */,
3266         NULL /* set_ap_wps_ie */,
3267         NULL /* set_supp_port */,
3268         NULL /* set_wds_sta */,
3269         NULL /* send_action */,
3270         NULL /* remain_on_channel */,
3271         NULL /* cancel_remain_on_channel */,
3272         NULL /* probe_req_report */,
3273         NULL /* disable_11b_rates */,
3274         NULL /* deinit_ap */,
3275         NULL /* suspend */,
3276         NULL /* resume */,
3277         NULL /* signal_monitor */,
3278         NULL /* send_frame */
3279 };