src/drivers/driver_ndis.c

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