vcs.maemo.org Git - wpasupplicant/blob - 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 "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 int wpa_driver_ndis_set_wpa(void *priv, int enabled)
 743 {
 744         wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
 745         return 0;
 746 }
 747
 748
 749 static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
 750 {
 751         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
 752         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
 753 }
 754
 755
 756 static int wpa_driver_ndis_scan_native80211(struct wpa_driver_ndis_data *drv,
 757                                             const u8 *ssid, size_t ssid_len)
 758 {
 759         DOT11_SCAN_REQUEST_V2 req;
 760         int res;
 761
 762         os_memset(&req, 0, sizeof(req));
 763         req.dot11BSSType = dot11_BSS_type_any;
 764         os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
 765         req.dot11ScanType = dot11_scan_type_auto;
 766         res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
 767                            sizeof(req));
 768         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
 769         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
 770                                drv->ctx);
 771         return res;
 772 }
 773
 774
 775 static int wpa_driver_ndis_scan(void *priv, const u8 *ssid, size_t ssid_len)
 776 {
 777         struct wpa_driver_ndis_data *drv = priv;
 778         int res;
 779
 780         if (drv->native80211)
 781                 return wpa_driver_ndis_scan_native80211(drv, ssid, ssid_len);
 782
 783         if (!drv->radio_enabled) {
 784                 wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
 785                            " scan");
 786                 if (wpa_driver_ndis_disconnect(drv) < 0) {
 787                         wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
 788                 }
 789                 drv->radio_enabled = 1;
 790         }
 791
 792         res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, "    ", 4);
 793         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
 794         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
 795                                drv->ctx);
 796         return res;
 797 }
 798
 799
 800 static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
 801         struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
 802 {
 803         struct wpa_scan_res *nr;
 804         u8 *pos;
 805
 806         if (wpa_scan_get_ie(r, WLAN_EID_SSID))
 807                 return r; /* SSID IE already present */
 808
 809         if (ssid->SsidLength == 0 || ssid->SsidLength > 32)
 810                 return r; /* No valid SSID inside scan data */
 811
 812         nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
 813         if (nr == NULL)
 814                 return r;
 815
 816         pos = ((u8 *) (nr + 1)) + nr->ie_len;
 817         *pos++ = WLAN_EID_SSID;
 818         *pos++ = ssid->SsidLength;
 819         os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
 820         nr->ie_len += 2 + ssid->SsidLength;
 821
 822         return nr;
 823 }
 824
 825
 826 static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
 827 {
 828         struct wpa_driver_ndis_data *drv = priv;
 829         NDIS_802_11_BSSID_LIST_EX *b;
 830         size_t blen, count, i;
 831         int len;
 832         char *pos;
 833         struct wpa_scan_results *results;
 834         struct wpa_scan_res *r;
 835
 836         blen = 65535;
 837         b = os_zalloc(blen);
 838         if (b == NULL)
 839                 return NULL;
 840         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
 841         if (len < 0) {
 842                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
 843                 os_free(b);
 844                 return NULL;
 845         }
 846         count = b->NumberOfItems;
 847
 848         results = os_zalloc(sizeof(*results));
 849         if (results == NULL) {
 850                 os_free(b);
 851                 return NULL;
 852         }
 853         results->res = os_zalloc(count * sizeof(struct wpa_scan_res *));
 854         if (results->res == NULL) {
 855                 os_free(results);
 856                 os_free(b);
 857                 return NULL;
 858         }
 859
 860         pos = (char *) &b->Bssid[0];
 861         for (i = 0; i < count; i++) {
 862                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
 863                 NDIS_802_11_FIXED_IEs *fixed;
 864
 865                 if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
 866                         wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
 867                                    (int) bss->IELength);
 868                         break;
 869                 }
 870                 if (((char *) bss->IEs) + bss->IELength  > (char *) b + blen) {
 871                         /*
 872                          * Some NDIS drivers have been reported to include an
 873                          * entry with an invalid IELength in scan results and
 874                          * this has crashed wpa_supplicant, so validate the
 875                          * returned value before using it.
 876                          */
 877                         wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
 878                                    "result IE (BSSID=" MACSTR ") IELength=%d",
 879                                    MAC2STR(bss->MacAddress),
 880                                    (int) bss->IELength);
 881                         break;
 882                 }
 883
 884                 r = os_zalloc(sizeof(*r) + bss->IELength -
 885                               sizeof(NDIS_802_11_FIXED_IEs));
 886                 if (r == NULL)
 887                         break;
 888
 889                 os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
 890                 r->level = (int) bss->Rssi;
 891                 r->freq = bss->Configuration.DSConfig / 1000;
 892                 fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
 893                 r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
 894                 r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
 895                 r->tsf = WPA_GET_LE64(fixed->Timestamp);
 896                 os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
 897                           bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
 898                 r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
 899                 r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
 900
 901                 results->res[results->num++] = r;
 902
 903                 pos += bss->Length;
 904                 if (pos > (char *) b + blen)
 905                         break;
 906         }
 907
 908         os_free(b);
 909
 910         return results;
 911 }
 912
 913
 914 static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
 915                                       int key_idx, const u8 *addr,
 916                                       const u8 *bssid, int pairwise)
 917 {
 918         NDIS_802_11_REMOVE_KEY rkey;
 919         NDIS_802_11_KEY_INDEX index;
 920         int res, res2;
 921
 922         os_memset(&rkey, 0, sizeof(rkey));
 923
 924         rkey.Length = sizeof(rkey);
 925         rkey.KeyIndex = key_idx;
 926         if (pairwise)
 927                 rkey.KeyIndex |= 1 << 30;
 928         os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
 929
 930         res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
 931                            sizeof(rkey));
 932         if (!pairwise) {
 933                 index = key_idx;
 934                 res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
 935                                     (char *) &index, sizeof(index));
 936         } else
 937                 res2 = 0;
 938
 939         if (res < 0 && res2 < 0)
 940                 return -1;
 941         return 0;
 942 }
 943
 944
 945 static int wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data *drv,
 946                                    int pairwise, int key_idx, int set_tx,
 947                                    const u8 *key, size_t key_len)
 948 {
 949         NDIS_802_11_WEP *wep;
 950         size_t len;
 951         int res;
 952
 953         len = 12 + key_len;
 954         wep = os_zalloc(len);
 955         if (wep == NULL)
 956                 return -1;
 957         wep->Length = len;
 958         wep->KeyIndex = key_idx;
 959         if (set_tx)
 960                 wep->KeyIndex |= 1 << 31;
 961 #if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
 962         if (pairwise)
 963                 wep->KeyIndex |= 1 << 30;
 964 #endif
 965         wep->KeyLength = key_len;
 966         os_memcpy(wep->KeyMaterial, key, key_len);
 967
 968         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
 969                         (u8 *) wep, len);
 970         res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
 971
 972         os_free(wep);
 973
 974         return res;
 975 }
 976
 977
 978 static int wpa_driver_ndis_set_key(void *priv, wpa_alg alg, const u8 *addr,
 979                                    int key_idx, int set_tx,
 980                                    const u8 *seq, size_t seq_len,
 981                                    const u8 *key, size_t key_len)
 982 {
 983         struct wpa_driver_ndis_data *drv = priv;
 984         size_t len, i;
 985         NDIS_802_11_KEY *nkey;
 986         int res, pairwise;
 987         u8 bssid[ETH_ALEN];
 988
 989         if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
 990                                       ETH_ALEN) == 0) {
 991                 /* Group Key */
 992                 pairwise = 0;
 993                 if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
 994                         os_memset(bssid, 0xff, ETH_ALEN);
 995         } else {
 996                 /* Pairwise Key */
 997                 pairwise = 1;
 998                 os_memcpy(bssid, addr, ETH_ALEN);
 999         }
1000
1001         if (alg == WPA_ALG_NONE || key_len == 0) {
1002                 return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
1003                                                   pairwise);
1004         }
1005
1006         if (alg == WPA_ALG_WEP) {
1007                 return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
1008                                                key, key_len);
1009         }
1010
1011         len = 12 + 6 + 6 + 8 + key_len;
1012
1013         nkey = os_zalloc(len);
1014         if (nkey == NULL)
1015                 return -1;
1016
1017         nkey->Length = len;
1018         nkey->KeyIndex = key_idx;
1019         if (set_tx)
1020                 nkey->KeyIndex |= 1 << 31;
1021         if (pairwise)
1022                 nkey->KeyIndex |= 1 << 30;
1023         if (seq && seq_len)
1024                 nkey->KeyIndex |= 1 << 29;
1025         nkey->KeyLength = key_len;
1026         os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
1027         if (seq && seq_len) {
1028                 for (i = 0; i < seq_len; i++)
1029                         nkey->KeyRSC |= (ULONGLONG) seq[i] << (i * 8);
1030         }
1031         if (alg == WPA_ALG_TKIP && key_len == 32) {
1032                 os_memcpy(nkey->KeyMaterial, key, 16);
1033                 os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
1034                 os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
1035         } else {
1036                 os_memcpy(nkey->KeyMaterial, key, key_len);
1037         }
1038
1039         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_KEY",
1040                         (u8 *) nkey, len);
1041         res = ndis_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
1042         os_free(nkey);
1043
1044         return res;
1045 }
1046
1047
1048 static int
1049 wpa_driver_ndis_associate(void *priv,
1050                           struct wpa_driver_associate_params *params)
1051 {
1052         struct wpa_driver_ndis_data *drv = priv;
1053         u32 auth_mode, encr, priv_mode, mode;
1054
1055         drv->mode = params->mode;
1056
1057         /* Note: Setting OID_802_11_INFRASTRUCTURE_MODE clears current keys,
1058          * so static WEP keys needs to be set again after this. */
1059         if (params->mode == IEEE80211_MODE_IBSS) {
1060                 mode = Ndis802_11IBSS;
1061                 /* Need to make sure that BSSID polling is enabled for
1062                  * IBSS mode. */
1063                 eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1064                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1065                                        drv, NULL);
1066         } else
1067                 mode = Ndis802_11Infrastructure;
1068         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
1069                          (char *) &mode, sizeof(mode)) < 0) {
1070                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1071                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
1072                            (int) mode);
1073                 /* Try to continue anyway */
1074         }
1075
1076         if (params->key_mgmt_suite == KEY_MGMT_NONE ||
1077             params->key_mgmt_suite == KEY_MGMT_802_1X_NO_WPA) {
1078                 /* Re-set WEP keys if static WEP configuration is used. */
1079                 u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1080                 int i;
1081                 for (i = 0; i < 4; i++) {
1082                         if (!params->wep_key[i])
1083                                 continue;
1084                         wpa_printf(MSG_DEBUG, "NDIS: Re-setting static WEP "
1085                                    "key %d", i);
1086                         wpa_driver_ndis_set_key(drv, WPA_ALG_WEP, bcast, i,
1087                                                 i == params->wep_tx_keyidx,
1088                                                 NULL, 0, params->wep_key[i],
1089                                                 params->wep_key_len[i]);
1090                 }
1091         }
1092
1093         if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
1094                 if (params->auth_alg & AUTH_ALG_SHARED_KEY) {
1095                         if (params->auth_alg & AUTH_ALG_OPEN_SYSTEM)
1096                                 auth_mode = Ndis802_11AuthModeAutoSwitch;
1097                         else
1098                                 auth_mode = Ndis802_11AuthModeShared;
1099                 } else
1100                         auth_mode = Ndis802_11AuthModeOpen;
1101                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1102         } else if (params->wpa_ie[0] == WLAN_EID_RSN) {
1103                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1104                 if (params->key_mgmt_suite == KEY_MGMT_PSK)
1105                         auth_mode = Ndis802_11AuthModeWPA2PSK;
1106                 else
1107                         auth_mode = Ndis802_11AuthModeWPA2;
1108 #ifdef CONFIG_WPS
1109         } else if (params->key_mgmt_suite == KEY_MGMT_WPS) {
1110                 auth_mode = Ndis802_11AuthModeOpen;
1111                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1112 #endif /* CONFIG_WPS */
1113         } else {
1114                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1115                 if (params->key_mgmt_suite == KEY_MGMT_WPA_NONE)
1116                         auth_mode = Ndis802_11AuthModeWPANone;
1117                 else if (params->key_mgmt_suite == KEY_MGMT_PSK)
1118                         auth_mode = Ndis802_11AuthModeWPAPSK;
1119                 else
1120                         auth_mode = Ndis802_11AuthModeWPA;
1121         }
1122
1123         switch (params->pairwise_suite) {
1124         case CIPHER_CCMP:
1125                 encr = Ndis802_11Encryption3Enabled;
1126                 break;
1127         case CIPHER_TKIP:
1128                 encr = Ndis802_11Encryption2Enabled;
1129                 break;
1130         case CIPHER_WEP40:
1131         case CIPHER_WEP104:
1132                 encr = Ndis802_11Encryption1Enabled;
1133                 break;
1134         case CIPHER_NONE:
1135                 if (params->group_suite == CIPHER_CCMP)
1136                         encr = Ndis802_11Encryption3Enabled;
1137                 else if (params->group_suite == CIPHER_TKIP)
1138                         encr = Ndis802_11Encryption2Enabled;
1139                 else
1140                         encr = Ndis802_11EncryptionDisabled;
1141                 break;
1142         default:
1143                 encr = Ndis802_11EncryptionDisabled;
1144         };
1145
1146         if (ndis_set_oid(drv, OID_802_11_PRIVACY_FILTER,
1147                          (char *) &priv_mode, sizeof(priv_mode)) < 0) {
1148                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1149                            "OID_802_11_PRIVACY_FILTER (%d)",
1150                            (int) priv_mode);
1151                 /* Try to continue anyway */
1152         }
1153
1154         ndis_set_auth_mode(drv, auth_mode);
1155         ndis_set_encr_status(drv, encr);
1156
1157         if (params->bssid) {
1158                 ndis_set_oid(drv, OID_802_11_BSSID, (char *) params->bssid,
1159                              ETH_ALEN);
1160                 drv->oid_bssid_set = 1;
1161         } else if (drv->oid_bssid_set) {
1162                 ndis_set_oid(drv, OID_802_11_BSSID, "\xff\xff\xff\xff\xff\xff",
1163                              ETH_ALEN);
1164                 drv->oid_bssid_set = 0;
1165         }
1166
1167         return wpa_driver_ndis_set_ssid(drv, params->ssid, params->ssid_len);
1168 }
1169
1170
1171 static int wpa_driver_ndis_set_pmkid(struct wpa_driver_ndis_data *drv)
1172 {
1173         int len, count, i, ret;
1174         struct ndis_pmkid_entry *entry;
1175         NDIS_802_11_PMKID *p;
1176
1177         count = 0;
1178         entry = drv->pmkid;
1179         while (entry) {
1180                 count++;
1181                 if (count >= drv->no_of_pmkid)
1182                         break;
1183                 entry = entry->next;
1184         }
1185         len = 8 + count * sizeof(BSSID_INFO);
1186         p = os_zalloc(len);
1187         if (p == NULL)
1188                 return -1;
1189
1190         p->Length = len;
1191         p->BSSIDInfoCount = count;
1192         entry = drv->pmkid;
1193         for (i = 0; i < count; i++) {
1194                 os_memcpy(&p->BSSIDInfo[i].BSSID, entry->bssid, ETH_ALEN);
1195                 os_memcpy(&p->BSSIDInfo[i].PMKID, entry->pmkid, 16);
1196                 entry = entry->next;
1197         }
1198         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID", (u8 *) p, len);
1199         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) p, len);
1200         os_free(p);
1201         return ret;
1202 }
1203
1204
1205 static int wpa_driver_ndis_add_pmkid(void *priv, const u8 *bssid,
1206                                      const u8 *pmkid)
1207 {
1208         struct wpa_driver_ndis_data *drv = priv;
1209         struct ndis_pmkid_entry *entry, *prev;
1210
1211         if (drv->no_of_pmkid == 0)
1212                 return 0;
1213
1214         prev = NULL;
1215         entry = drv->pmkid;
1216         while (entry) {
1217                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0)
1218                         break;
1219                 prev = entry;
1220                 entry = entry->next;
1221         }
1222
1223         if (entry) {
1224                 /* Replace existing entry for this BSSID and move it into the
1225                  * beginning of the list. */
1226                 os_memcpy(entry->pmkid, pmkid, 16);
1227                 if (prev) {
1228                         prev->next = entry->next;
1229                         entry->next = drv->pmkid;
1230                         drv->pmkid = entry;
1231                 }
1232         } else {
1233                 entry = os_malloc(sizeof(*entry));
1234                 if (entry) {
1235                         os_memcpy(entry->bssid, bssid, ETH_ALEN);
1236                         os_memcpy(entry->pmkid, pmkid, 16);
1237                         entry->next = drv->pmkid;
1238                         drv->pmkid = entry;
1239                 }
1240         }
1241
1242         return wpa_driver_ndis_set_pmkid(drv);
1243 }
1244
1245
1246 static int wpa_driver_ndis_remove_pmkid(void *priv, const u8 *bssid,
1247                                         const u8 *pmkid)
1248 {
1249         struct wpa_driver_ndis_data *drv = priv;
1250         struct ndis_pmkid_entry *entry, *prev;
1251
1252         if (drv->no_of_pmkid == 0)
1253                 return 0;
1254
1255         entry = drv->pmkid;
1256         prev = NULL;
1257         while (entry) {
1258                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0 &&
1259                     os_memcmp(entry->pmkid, pmkid, 16) == 0) {
1260                         if (prev)
1261                                 prev->next = entry->next;
1262                         else
1263                                 drv->pmkid = entry->next;
1264                         os_free(entry);
1265                         break;
1266                 }
1267                 prev = entry;
1268                 entry = entry->next;
1269         }
1270         return wpa_driver_ndis_set_pmkid(drv);
1271 }
1272
1273
1274 static int wpa_driver_ndis_flush_pmkid(void *priv)
1275 {
1276         struct wpa_driver_ndis_data *drv = priv;
1277         NDIS_802_11_PMKID p;
1278         struct ndis_pmkid_entry *pmkid, *prev;
1279         int prev_authmode, ret;
1280
1281         if (drv->no_of_pmkid == 0)
1282                 return 0;
1283
1284         pmkid = drv->pmkid;
1285         drv->pmkid = NULL;
1286         while (pmkid) {
1287                 prev = pmkid;
1288                 pmkid = pmkid->next;
1289                 os_free(prev);
1290         }
1291
1292         /*
1293          * Some drivers may refuse OID_802_11_PMKID if authMode is not set to
1294          * WPA2, so change authMode temporarily, if needed.
1295          */
1296         prev_authmode = ndis_get_auth_mode(drv);
1297         if (prev_authmode != Ndis802_11AuthModeWPA2)
1298                 ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA2);
1299
1300         os_memset(&p, 0, sizeof(p));
1301         p.Length = 8;
1302         p.BSSIDInfoCount = 0;
1303         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
1304                     (u8 *) &p, 8);
1305         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
1306
1307         if (prev_authmode != Ndis802_11AuthModeWPA2)
1308                 ndis_set_auth_mode(drv, prev_authmode);
1309
1310         return ret;
1311 }
1312
1313
1314 static int wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data *drv)
1315 {
1316         char buf[512], *pos;
1317         NDIS_802_11_ASSOCIATION_INFORMATION *ai;
1318         int len;
1319         union wpa_event_data data;
1320         NDIS_802_11_BSSID_LIST_EX *b;
1321         size_t blen, i;
1322
1323         len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION, buf,
1324                            sizeof(buf));
1325         if (len < 0) {
1326                 wpa_printf(MSG_DEBUG, "NDIS: failed to get association "
1327                            "information");
1328                 return -1;
1329         }
1330         if (len > sizeof(buf)) {
1331                 /* Some drivers seem to be producing incorrect length for this
1332                  * data. Limit the length to the current buffer size to avoid
1333                  * crashing in hexdump. The data seems to be otherwise valid,
1334                  * so better try to use it. */
1335                 wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association "
1336                            "information length %d", len);
1337                 len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION,
1338                                    buf, sizeof(buf));
1339                 if (len < -1) {
1340                         wpa_printf(MSG_DEBUG, "NDIS: re-reading association "
1341                                    "information failed");
1342                         return -1;
1343                 }
1344                 if (len > sizeof(buf)) {
1345                         wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association"
1346                                    " information length %d (re-read)", len);
1347                         len = sizeof(buf);
1348                 }
1349         }
1350         wpa_hexdump(MSG_MSGDUMP, "NDIS: association information",
1351                     (u8 *) buf, len);
1352         if (len < sizeof(*ai)) {
1353                 wpa_printf(MSG_DEBUG, "NDIS: too short association "
1354                            "information");
1355                 return -1;
1356         }
1357         ai = (NDIS_802_11_ASSOCIATION_INFORMATION *) buf;
1358         wpa_printf(MSG_DEBUG, "NDIS: ReqFixed=0x%x RespFixed=0x%x off_req=%d "
1359                    "off_resp=%d len_req=%d len_resp=%d",
1360                    ai->AvailableRequestFixedIEs, ai->AvailableResponseFixedIEs,
1361                    (int) ai->OffsetRequestIEs, (int) ai->OffsetResponseIEs,
1362                    (int) ai->RequestIELength, (int) ai->ResponseIELength);
1363
1364         if (ai->OffsetRequestIEs + ai->RequestIELength > (unsigned) len ||
1365             ai->OffsetResponseIEs + ai->ResponseIELength > (unsigned) len) {
1366                 wpa_printf(MSG_DEBUG, "NDIS: association information - "
1367                            "IE overflow");
1368                 return -1;
1369         }
1370
1371         wpa_hexdump(MSG_MSGDUMP, "NDIS: Request IEs",
1372                     (u8 *) buf + ai->OffsetRequestIEs, ai->RequestIELength);
1373         wpa_hexdump(MSG_MSGDUMP, "NDIS: Response IEs",
1374                     (u8 *) buf + ai->OffsetResponseIEs, ai->ResponseIELength);
1375
1376         os_memset(&data, 0, sizeof(data));
1377         data.assoc_info.req_ies = (u8 *) buf + ai->OffsetRequestIEs;
1378         data.assoc_info.req_ies_len = ai->RequestIELength;
1379         data.assoc_info.resp_ies = (u8 *) buf + ai->OffsetResponseIEs;
1380         data.assoc_info.resp_ies_len = ai->ResponseIELength;
1381
1382         blen = 65535;
1383         b = os_zalloc(blen);
1384         if (b == NULL)
1385                 goto skip_scan_results;
1386         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
1387         if (len < 0) {
1388                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
1389                 os_free(b);
1390                 b = NULL;
1391                 goto skip_scan_results;
1392         }
1393         wpa_printf(MSG_DEBUG, "NDIS: %d BSSID items to process for AssocInfo",
1394                    (unsigned int) b->NumberOfItems);
1395
1396         pos = (char *) &b->Bssid[0];
1397         for (i = 0; i < b->NumberOfItems; i++) {
1398                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
1399                 if (os_memcmp(drv->bssid, bss->MacAddress, ETH_ALEN) == 0 &&
1400                     bss->IELength > sizeof(NDIS_802_11_FIXED_IEs)) {
1401                         data.assoc_info.beacon_ies =
1402                                 ((u8 *) bss->IEs) +
1403                                 sizeof(NDIS_802_11_FIXED_IEs);
1404                         data.assoc_info.beacon_ies_len =
1405                                 bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
1406                         wpa_hexdump(MSG_MSGDUMP, "NDIS: Beacon IEs",
1407                                     data.assoc_info.beacon_ies,
1408                                     data.assoc_info.beacon_ies_len);
1409                         break;
1410                 }
1411                 pos += bss->Length;
1412                 if (pos > (char *) b + blen)
1413                         break;
1414         }
1415
1416 skip_scan_results:
1417         wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
1418
1419         os_free(b);
1420
1421         return 0;
1422 }
1423
1424
1425 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx)
1426 {
1427         struct wpa_driver_ndis_data *drv = eloop_ctx;
1428         u8 bssid[ETH_ALEN];
1429         int poll;
1430
1431         if (drv->wired)
1432                 return;
1433
1434         if (wpa_driver_ndis_get_bssid(drv, bssid)) {
1435                 /* Disconnected */
1436                 if (!is_zero_ether_addr(drv->bssid)) {
1437                         os_memset(drv->bssid, 0, ETH_ALEN);
1438                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1439                 }
1440         } else {
1441                 /* Connected */
1442                 if (os_memcmp(drv->bssid, bssid, ETH_ALEN) != 0) {
1443                         os_memcpy(drv->bssid, bssid, ETH_ALEN);
1444                         wpa_driver_ndis_get_associnfo(drv);
1445                         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1446                 }
1447         }
1448
1449         /* When using integrated NDIS event receiver, we can skip BSSID
1450          * polling when using infrastructure network. However, when using
1451          * IBSS mode, many driver do not seem to generate connection event,
1452          * so we need to enable BSSID polling to figure out when IBSS network
1453          * has been formed.
1454          */
1455         poll = drv->mode == IEEE80211_MODE_IBSS;
1456 #ifndef CONFIG_NDIS_EVENTS_INTEGRATED
1457 #ifndef _WIN32_WCE
1458         poll = 1;
1459 #endif /* _WIN32_WCE */
1460 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
1461
1462         if (poll) {
1463                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1464                                         drv, NULL);
1465         }
1466 }
1467
1468
1469 static void wpa_driver_ndis_poll(void *priv)
1470 {
1471         struct wpa_driver_ndis_data *drv = priv;
1472         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1473         wpa_driver_ndis_poll_timeout(drv, NULL);
1474 }
1475
1476
1477 /* Called when driver generates Media Connect Event by calling
1478  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_CONNECT */
1479 void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv)
1480 {
1481         wpa_printf(MSG_DEBUG, "NDIS: Media Connect Event");
1482         if (wpa_driver_ndis_get_bssid(drv, drv->bssid) == 0) {
1483                 wpa_driver_ndis_get_associnfo(drv);
1484                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1485         }
1486 }
1487
1488
1489 /* Called when driver generates Media Disconnect Event by calling
1490  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_DISCONNECT */
1491 void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv)
1492 {
1493         wpa_printf(MSG_DEBUG, "NDIS: Media Disconnect Event");
1494         os_memset(drv->bssid, 0, ETH_ALEN);
1495         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1496 }
1497
1498
1499 static void wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data *drv,
1500                                        const u8 *data, size_t data_len)
1501 {
1502         NDIS_802_11_AUTHENTICATION_REQUEST *req;
1503         int pairwise = 0, group = 0;
1504         union wpa_event_data event;
1505
1506         if (data_len < sizeof(*req)) {
1507                 wpa_printf(MSG_DEBUG, "NDIS: Too short Authentication Request "
1508                            "Event (len=%d)", data_len);
1509                 return;
1510         }
1511         req = (NDIS_802_11_AUTHENTICATION_REQUEST *) data;
1512
1513         wpa_printf(MSG_DEBUG, "NDIS: Authentication Request Event: "
1514                    "Bssid " MACSTR " Flags 0x%x",
1515                    MAC2STR(req->Bssid), (int) req->Flags);
1516
1517         if ((req->Flags & NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR) ==
1518             NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR)
1519                 pairwise = 1;
1520         else if ((req->Flags & NDIS_802_11_AUTH_REQUEST_GROUP_ERROR) ==
1521             NDIS_802_11_AUTH_REQUEST_GROUP_ERROR)
1522                 group = 1;
1523
1524         if (pairwise || group) {
1525                 os_memset(&event, 0, sizeof(event));
1526                 event.michael_mic_failure.unicast = pairwise;
1527                 wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE,
1528                                      &event);
1529         }
1530 }
1531
1532
1533 static void wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data *drv,
1534                                         const u8 *data, size_t data_len)
1535 {
1536         NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
1537         size_t i;
1538         union wpa_event_data event;
1539
1540         if (data_len < 8) {
1541                 wpa_printf(MSG_DEBUG, "NDIS: Too short PMKID Candidate List "
1542                            "Event (len=%d)", data_len);
1543                 return;
1544         }
1545         pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
1546         wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List Event - Version %d "
1547                    "NumCandidates %d",
1548                    (int) pmkid->Version, (int) pmkid->NumCandidates);
1549
1550         if (pmkid->Version != 1) {
1551                 wpa_printf(MSG_DEBUG, "NDIS: Unsupported PMKID Candidate List "
1552                            "Version %d", (int) pmkid->Version);
1553                 return;
1554         }
1555
1556         if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
1557                 wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List underflow");
1558                 return;
1559         }
1560
1561         os_memset(&event, 0, sizeof(event));
1562         for (i = 0; i < pmkid->NumCandidates; i++) {
1563                 PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
1564                 wpa_printf(MSG_DEBUG, "NDIS: %d: " MACSTR " Flags 0x%x",
1565                            i, MAC2STR(p->BSSID), (int) p->Flags);
1566                 os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
1567                 event.pmkid_candidate.index = i;
1568                 event.pmkid_candidate.preauth =
1569                         p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
1570                 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
1571                                      &event);
1572         }
1573 }
1574
1575
1576 /* Called when driver calls NdisMIndicateStatus() with
1577  * NDIS_STATUS_MEDIA_SPECIFIC_INDICATION */
1578 void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
1579                                           const u8 *data, size_t data_len)
1580 {
1581         NDIS_802_11_STATUS_INDICATION *status;
1582
1583         if (data == NULL || data_len < sizeof(*status))
1584                 return;
1585
1586         wpa_hexdump(MSG_DEBUG, "NDIS: Media Specific Indication",
1587                     data, data_len);
1588
1589         status = (NDIS_802_11_STATUS_INDICATION *) data;
1590         data += sizeof(status);
1591         data_len -= sizeof(status);
1592
1593         switch (status->StatusType) {
1594         case Ndis802_11StatusType_Authentication:
1595                 wpa_driver_ndis_event_auth(drv, data, data_len);
1596                 break;
1597         case Ndis802_11StatusType_PMKID_CandidateList:
1598                 wpa_driver_ndis_event_pmkid(drv, data, data_len);
1599                 break;
1600         default:
1601                 wpa_printf(MSG_DEBUG, "NDIS: Unknown StatusType %d",
1602                            (int) status->StatusType);
1603                 break;
1604         }
1605 }
1606
1607
1608 /* Called when an adapter is added */
1609 void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv)
1610 {
1611         union wpa_event_data event;
1612         int i;
1613
1614         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Arrival");
1615
1616         for (i = 0; i < 30; i++) {
1617                 /* Re-open Packet32/NDISUIO connection */
1618                 wpa_driver_ndis_adapter_close(drv);
1619                 if (wpa_driver_ndis_adapter_init(drv) < 0 ||
1620                     wpa_driver_ndis_adapter_open(drv) < 0) {
1621                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialization "
1622                                    "(%d) failed", i);
1623                         os_sleep(1, 0);
1624                 } else {
1625                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialized");
1626                         break;
1627                 }
1628         }
1629
1630         os_memset(&event, 0, sizeof(event));
1631         os_strlcpy(event.interface_status.ifname, drv->ifname,
1632                    sizeof(event.interface_status.ifname));
1633         event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1634         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1635 }
1636
1637
1638 /* Called when an adapter is removed */
1639 void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv)
1640 {
1641         union wpa_event_data event;
1642
1643         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Removal");
1644         os_memset(&event, 0, sizeof(event));
1645         os_strlcpy(event.interface_status.ifname, drv->ifname,
1646                    sizeof(event.interface_status.ifname));
1647         event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1648         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1649 }
1650
1651
1652 static void
1653 wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data *drv)
1654 {
1655         wpa_printf(MSG_DEBUG, "NDIS: verifying driver WPA capability");
1656
1657         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA) == 0 &&
1658             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPA) {
1659                 wpa_printf(MSG_DEBUG, "NDIS: WPA key management supported");
1660                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1661         }
1662
1663         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPAPSK) == 0 &&
1664             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPAPSK) {
1665                 wpa_printf(MSG_DEBUG, "NDIS: WPA-PSK key management "
1666                            "supported");
1667                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1668         }
1669
1670         if (ndis_set_encr_status(drv, Ndis802_11Encryption3Enabled) == 0 &&
1671             ndis_get_encr_status(drv) == Ndis802_11Encryption3KeyAbsent) {
1672                 wpa_printf(MSG_DEBUG, "NDIS: CCMP encryption supported");
1673                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1674         }
1675
1676         if (ndis_set_encr_status(drv, Ndis802_11Encryption2Enabled) == 0 &&
1677             ndis_get_encr_status(drv) == Ndis802_11Encryption2KeyAbsent) {
1678                 wpa_printf(MSG_DEBUG, "NDIS: TKIP encryption supported");
1679                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1680         }
1681
1682         if (ndis_set_encr_status(drv, Ndis802_11Encryption1Enabled) == 0 &&
1683             ndis_get_encr_status(drv) == Ndis802_11Encryption1KeyAbsent) {
1684                 wpa_printf(MSG_DEBUG, "NDIS: WEP encryption supported");
1685                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1686                         WPA_DRIVER_CAPA_ENC_WEP104;
1687         }
1688
1689         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeShared) == 0 &&
1690             ndis_get_auth_mode(drv) == Ndis802_11AuthModeShared) {
1691                 drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1692         }
1693
1694         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeOpen) == 0 &&
1695             ndis_get_auth_mode(drv) == Ndis802_11AuthModeOpen) {
1696                 drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1697         }
1698
1699         ndis_set_encr_status(drv, Ndis802_11EncryptionDisabled);
1700
1701         /* Could also verify OID_802_11_ADD_KEY error reporting and
1702          * support for OID_802_11_ASSOCIATION_INFORMATION. */
1703
1704         if (drv->capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA &&
1705             drv->capa.enc & (WPA_DRIVER_CAPA_ENC_TKIP |
1706                              WPA_DRIVER_CAPA_ENC_CCMP)) {
1707                 wpa_printf(MSG_DEBUG, "NDIS: driver supports WPA");
1708                 drv->has_capability = 1;
1709         } else {
1710                 wpa_printf(MSG_DEBUG, "NDIS: no WPA support found");
1711         }
1712
1713         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1714                    "enc 0x%x auth 0x%x",
1715                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1716 }
1717
1718
1719 static void wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data *drv)
1720 {
1721         char buf[512];
1722         int len;
1723         size_t i;
1724         NDIS_802_11_CAPABILITY *c;
1725
1726         drv->capa.flags = WPA_DRIVER_FLAGS_DRIVER_IE;
1727
1728         len = ndis_get_oid(drv, OID_802_11_CAPABILITY, buf, sizeof(buf));
1729         if (len < 0) {
1730                 wpa_driver_ndis_get_wpa_capability(drv);
1731                 return;
1732         }
1733
1734         wpa_hexdump(MSG_MSGDUMP, "OID_802_11_CAPABILITY", (u8 *) buf, len);
1735         c = (NDIS_802_11_CAPABILITY *) buf;
1736         if (len < sizeof(*c) || c->Version != 2) {
1737                 wpa_printf(MSG_DEBUG, "NDIS: unsupported "
1738                            "OID_802_11_CAPABILITY data");
1739                 return;
1740         }
1741         wpa_printf(MSG_DEBUG, "NDIS: Driver supports OID_802_11_CAPABILITY - "
1742                    "NoOfPMKIDs %d NoOfAuthEncrPairs %d",
1743                    (int) c->NoOfPMKIDs,
1744                    (int) c->NoOfAuthEncryptPairsSupported);
1745         drv->has_capability = 1;
1746         drv->no_of_pmkid = c->NoOfPMKIDs;
1747         for (i = 0; i < c->NoOfAuthEncryptPairsSupported; i++) {
1748                 NDIS_802_11_AUTHENTICATION_ENCRYPTION *ae;
1749                 ae = &c->AuthenticationEncryptionSupported[i];
1750                 if ((char *) (ae + 1) > buf + len) {
1751                         wpa_printf(MSG_DEBUG, "NDIS: auth/encr pair list "
1752                                    "overflow");
1753                         break;
1754                 }
1755                 wpa_printf(MSG_MSGDUMP, "NDIS: %d - auth %d encr %d",
1756                            i, (int) ae->AuthModeSupported,
1757                            (int) ae->EncryptStatusSupported);
1758                 switch (ae->AuthModeSupported) {
1759                 case Ndis802_11AuthModeOpen:
1760                         drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1761                         break;
1762                 case Ndis802_11AuthModeShared:
1763                         drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1764                         break;
1765                 case Ndis802_11AuthModeWPA:
1766                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1767                         break;
1768                 case Ndis802_11AuthModeWPAPSK:
1769                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1770                         break;
1771                 case Ndis802_11AuthModeWPA2:
1772                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
1773                         break;
1774                 case Ndis802_11AuthModeWPA2PSK:
1775                         drv->capa.key_mgmt |=
1776                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1777                         break;
1778                 case Ndis802_11AuthModeWPANone:
1779                         drv->capa.key_mgmt |=
1780                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
1781                         break;
1782                 default:
1783                         break;
1784                 }
1785                 switch (ae->EncryptStatusSupported) {
1786                 case Ndis802_11Encryption1Enabled:
1787                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40;
1788                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP104;
1789                         break;
1790                 case Ndis802_11Encryption2Enabled:
1791                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1792                         break;
1793                 case Ndis802_11Encryption3Enabled:
1794                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1795                         break;
1796                 default:
1797                         break;
1798                 }
1799         }
1800
1801         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1802                    "enc 0x%x auth 0x%x",
1803                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1804 }
1805
1806
1807 static int wpa_driver_ndis_get_capa(void *priv, struct wpa_driver_capa *capa)
1808 {
1809         struct wpa_driver_ndis_data *drv = priv;
1810         if (!drv->has_capability)
1811                 return -1;
1812         os_memcpy(capa, &drv->capa, sizeof(*capa));
1813         return 0;
1814 }
1815
1816
1817 static const char * wpa_driver_ndis_get_ifname(void *priv)
1818 {
1819         struct wpa_driver_ndis_data *drv = priv;
1820         return drv->ifname;
1821 }
1822
1823
1824 static const u8 * wpa_driver_ndis_get_mac_addr(void *priv)
1825 {
1826         struct wpa_driver_ndis_data *drv = priv;
1827         return drv->own_addr;
1828 }
1829
1830
1831 #ifdef _WIN32_WCE
1832
1833 #define NDISUIO_MSG_SIZE (sizeof(NDISUIO_DEVICE_NOTIFICATION) + 512)
1834
1835 static void ndisuio_notification_receive(void *eloop_data, void *user_ctx)
1836 {
1837         struct wpa_driver_ndis_data *drv = eloop_data;
1838         NDISUIO_DEVICE_NOTIFICATION *hdr;
1839         u8 buf[NDISUIO_MSG_SIZE];
1840         DWORD len, flags;
1841
1842         if (!ReadMsgQueue(drv->event_queue, buf, NDISUIO_MSG_SIZE, &len, 0,
1843                           &flags)) {
1844                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1845                            "ReadMsgQueue failed: %d", (int) GetLastError());
1846                 return;
1847         }
1848
1849         if (len < sizeof(NDISUIO_DEVICE_NOTIFICATION)) {
1850                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1851                            "Too short message (len=%d)", (int) len);
1852                 return;
1853         }
1854
1855         hdr = (NDISUIO_DEVICE_NOTIFICATION *) buf;
1856         wpa_printf(MSG_DEBUG, "NDIS: Notification received: len=%d type=0x%x",
1857                    (int) len, hdr->dwNotificationType);
1858
1859         switch (hdr->dwNotificationType) {
1860 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1861         case NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL:
1862                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_ARRIVAL");
1863                 wpa_driver_ndis_event_adapter_arrival(drv);
1864                 break;
1865 #endif
1866 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1867         case NDISUIO_NOTIFICATION_ADAPTER_REMOVAL:
1868                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_REMOVAL");
1869                 wpa_driver_ndis_event_adapter_removal(drv);
1870                 break;
1871 #endif
1872         case NDISUIO_NOTIFICATION_MEDIA_CONNECT:
1873                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_CONNECT");
1874                 SetEvent(drv->connected_event);
1875                 wpa_driver_ndis_event_connect(drv);
1876                 break;
1877         case NDISUIO_NOTIFICATION_MEDIA_DISCONNECT:
1878                 ResetEvent(drv->connected_event);
1879                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_DISCONNECT");
1880                 wpa_driver_ndis_event_disconnect(drv);
1881                 break;
1882         case NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION:
1883                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_SPECIFIC_NOTIFICATION");
1884 #if _WIN32_WCE == 420 || _WIN32_WCE == 0x420
1885                 wpa_driver_ndis_event_media_specific(
1886                         drv, hdr->pvStatusBuffer, hdr->uiStatusBufferSize);
1887 #else
1888                 wpa_driver_ndis_event_media_specific(
1889                         drv, ((const u8 *) hdr) + hdr->uiOffsetToStatusBuffer,
1890                         (size_t) hdr->uiStatusBufferSize);
1891 #endif
1892                 break;
1893         default:
1894                 wpa_printf(MSG_DEBUG, "NDIS: Unknown notification type 0x%x",
1895                            hdr->dwNotificationType);
1896                 break;
1897         }
1898 }
1899
1900
1901 static void ndisuio_notification_deinit(struct wpa_driver_ndis_data *drv)
1902 {
1903         NDISUIO_REQUEST_NOTIFICATION req;
1904
1905         memset(&req, 0, sizeof(req));
1906         req.hMsgQueue = drv->event_queue;
1907         req.dwNotificationTypes = 0;
1908
1909         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1910                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
1911                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1912                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1913                            (int) GetLastError());
1914         }
1915
1916         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_CANCEL_NOTIFICATION,
1917                              NULL, 0, NULL, 0, NULL, NULL)) {
1918                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1919                            "IOCTL_NDISUIO_CANCEL_NOTIFICATION failed: %d",
1920                            (int) GetLastError());
1921         }
1922
1923         if (drv->event_queue) {
1924                 eloop_unregister_event(drv->event_queue,
1925                                        sizeof(drv->event_queue));
1926                 CloseHandle(drv->event_queue);
1927                 drv->event_queue = NULL;
1928         }
1929
1930         if (drv->connected_event) {
1931                 CloseHandle(drv->connected_event);
1932                 drv->connected_event = NULL;
1933         }
1934 }
1935
1936
1937 static int ndisuio_notification_init(struct wpa_driver_ndis_data *drv)
1938 {
1939         MSGQUEUEOPTIONS opt;
1940         NDISUIO_REQUEST_NOTIFICATION req;
1941
1942         drv->connected_event =
1943                 CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
1944         if (drv->connected_event == NULL) {
1945                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1946                            "CreateEvent failed: %d",
1947                            (int) GetLastError());
1948                 return -1;
1949         }
1950
1951         memset(&opt, 0, sizeof(opt));
1952         opt.dwSize = sizeof(opt);
1953         opt.dwMaxMessages = 5;
1954         opt.cbMaxMessage = NDISUIO_MSG_SIZE;
1955         opt.bReadAccess = TRUE;
1956
1957         drv->event_queue = CreateMsgQueue(NULL, &opt);
1958         if (drv->event_queue == NULL) {
1959                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1960                            "CreateMsgQueue failed: %d",
1961                            (int) GetLastError());
1962                 ndisuio_notification_deinit(drv);
1963                 return -1;
1964         }
1965
1966         memset(&req, 0, sizeof(req));
1967         req.hMsgQueue = drv->event_queue;
1968         req.dwNotificationTypes =
1969 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1970                 NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL |
1971 #endif
1972 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1973                 NDISUIO_NOTIFICATION_ADAPTER_REMOVAL |
1974 #endif
1975                 NDISUIO_NOTIFICATION_MEDIA_CONNECT |
1976                 NDISUIO_NOTIFICATION_MEDIA_DISCONNECT |
1977                 NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION;
1978
1979         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1980                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
1981                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1982                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1983                            (int) GetLastError());
1984                 ndisuio_notification_deinit(drv);
1985                 return -1;
1986         }
1987
1988         eloop_register_event(drv->event_queue, sizeof(drv->event_queue),
1989                              ndisuio_notification_receive, drv, NULL);
1990
1991         return 0;
1992 }
1993 #endif /* _WIN32_WCE */
1994
1995
1996 static int wpa_driver_ndis_get_names(struct wpa_driver_ndis_data *drv)
1997 {
1998 #ifdef CONFIG_USE_NDISUIO
1999         NDISUIO_QUERY_BINDING *b;
2000         size_t blen = sizeof(*b) + 1024;
2001         int i, error, found = 0;
2002         DWORD written;
2003         char name[256], desc[256], *dpos;
2004         WCHAR *pos;
2005         size_t j, len, dlen;
2006
2007         b = os_malloc(blen);
2008         if (b == NULL)
2009                 return -1;
2010
2011         for (i = 0; ; i++) {
2012                 os_memset(b, 0, blen);
2013                 b->BindingIndex = i;
2014                 if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
2015                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
2016                                      &written, NULL)) {
2017                         error = (int) GetLastError();
2018                         if (error == ERROR_NO_MORE_ITEMS)
2019                                 break;
2020                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
2021                                    "failed: %d", error);
2022                         break;
2023                 }
2024
2025                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
2026                 len = b->DeviceNameLength;
2027                 if (len >= sizeof(name))
2028                         len = sizeof(name) - 1;
2029                 for (j = 0; j < len; j++)
2030                         name[j] = (char) pos[j];
2031                 name[len] = '\0';
2032
2033                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
2034                 len = b->DeviceDescrLength;
2035                 if (len >= sizeof(desc))
2036                         len = sizeof(desc) - 1;
2037                 for (j = 0; j < len; j++)
2038                         desc[j] = (char) pos[j];
2039                 desc[len] = '\0';
2040
2041                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
2042
2043                 if (os_strstr(name, drv->ifname)) {
2044                         wpa_printf(MSG_DEBUG, "NDIS: Interface name match");
2045                         found = 1;
2046                         break;
2047                 }
2048
2049                 if (os_strncmp(desc, drv->ifname, os_strlen(drv->ifname)) == 0)
2050                 {
2051                         wpa_printf(MSG_DEBUG, "NDIS: Interface description "
2052                                    "match");
2053                         found = 1;
2054                         break;
2055                 }
2056         }
2057
2058         if (!found) {
2059                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2060                            drv->ifname);
2061                 os_free(b);
2062                 return -1;
2063         }
2064
2065         os_strlcpy(drv->ifname,
2066                    os_strncmp(name, "\\DEVICE\\", 8) == 0 ? name + 8 : name,
2067                    sizeof(drv->ifname));
2068 #ifdef _WIN32_WCE
2069         drv->adapter_name = wpa_strdup_tchar(drv->ifname);
2070         if (drv->adapter_name == NULL) {
2071                 wpa_printf(MSG_ERROR, "NDIS: Failed to allocate memory for "
2072                            "adapter name");
2073                 os_free(b);
2074                 return -1;
2075         }
2076 #endif /* _WIN32_WCE */
2077
2078         dpos = os_strstr(desc, " - ");
2079         if (dpos)
2080                 dlen = dpos - desc;
2081         else
2082                 dlen = os_strlen(desc);
2083         drv->adapter_desc = os_malloc(dlen + 1);
2084         if (drv->adapter_desc) {
2085                 os_memcpy(drv->adapter_desc, desc, dlen);
2086                 drv->adapter_desc[dlen] = '\0';
2087         }
2088
2089         os_free(b);
2090
2091         if (drv->adapter_desc == NULL)
2092                 return -1;
2093
2094         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2095                    drv->adapter_desc);
2096
2097         return 0;
2098 #else /* CONFIG_USE_NDISUIO */
2099         PTSTR _names;
2100         char *names, *pos, *pos2;
2101         ULONG len;
2102         BOOLEAN res;
2103 #define MAX_ADAPTERS 32
2104         char *name[MAX_ADAPTERS];
2105         char *desc[MAX_ADAPTERS];
2106         int num_name, num_desc, i, found_name, found_desc;
2107         size_t dlen;
2108
2109         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
2110                    PacketGetVersion());
2111
2112         len = 8192;
2113         _names = os_zalloc(len);
2114         if (_names == NULL)
2115                 return -1;
2116
2117         res = PacketGetAdapterNames(_names, &len);
2118         if (!res && len > 8192) {
2119                 os_free(_names);
2120                 _names = os_zalloc(len);
2121                 if (_names == NULL)
2122                         return -1;
2123                 res = PacketGetAdapterNames(_names, &len);
2124         }
2125
2126         if (!res) {
2127                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
2128                            "(PacketGetAdapterNames)");
2129                 os_free(_names);
2130                 return -1;
2131         }
2132
2133         names = (char *) _names;
2134         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
2135                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
2136                            "UNICODE");
2137                 /* Convert to ASCII */
2138                 pos2 = pos = names;
2139                 while (pos2 < names + len) {
2140                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
2141                             pos2[2] == '\0' && pos2[3] == '\0') {
2142                                 pos2 += 4;
2143                                 break;
2144                         }
2145                         *pos++ = pos2[0];
2146                         pos2 += 2;
2147                 }
2148                 os_memcpy(pos + 2, names, pos - names);
2149                 pos += 2;
2150         } else
2151                 pos = names;
2152
2153         num_name = 0;
2154         while (pos < names + len) {
2155                 name[num_name] = pos;
2156                 while (*pos && pos < names + len)
2157                         pos++;
2158                 if (pos + 1 >= names + len) {
2159                         os_free(names);
2160                         return -1;
2161                 }
2162                 pos++;
2163                 num_name++;
2164                 if (num_name >= MAX_ADAPTERS) {
2165                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
2166                         os_free(names);
2167                         return -1;
2168                 }
2169                 if (*pos == '\0') {
2170                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
2171                                    num_name);
2172                         pos++;
2173                         break;
2174                 }
2175         }
2176
2177         num_desc = 0;
2178         while (pos < names + len) {
2179                 desc[num_desc] = pos;
2180                 while (*pos && pos < names + len)
2181                         pos++;
2182                 if (pos + 1 >= names + len) {
2183                         os_free(names);
2184                         return -1;
2185                 }
2186                 pos++;
2187                 num_desc++;
2188                 if (num_desc >= MAX_ADAPTERS) {
2189                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
2190                                    "descriptions");
2191                         os_free(names);
2192                         return -1;
2193                 }
2194                 if (*pos == '\0') {
2195                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
2196                                    "found", num_name);
2197                         pos++;
2198                         break;
2199                 }
2200         }
2201
2202         /*
2203          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
2204          * descriptions. Fill in dummy descriptors to work around this.
2205          */
2206         while (num_desc < num_name)
2207                 desc[num_desc++] = "dummy description";
2208
2209         if (num_name != num_desc) {
2210                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
2211                            "description counts (%d != %d)",
2212                            num_name, num_desc);
2213                 os_free(names);
2214                 return -1;
2215         }
2216
2217         found_name = found_desc = -1;
2218         for (i = 0; i < num_name; i++) {
2219                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s",
2220                            i, name[i], desc[i]);
2221                 if (found_name == -1 && os_strstr(name[i], drv->ifname))
2222                         found_name = i;
2223                 if (found_desc == -1 &&
2224                     os_strncmp(desc[i], drv->ifname, os_strlen(drv->ifname)) ==
2225                     0)
2226                         found_desc = i;
2227         }
2228
2229         if (found_name < 0 && found_desc >= 0) {
2230                 wpa_printf(MSG_DEBUG, "NDIS: Matched interface '%s' based on "
2231                            "description '%s'",
2232                            name[found_desc], desc[found_desc]);
2233                 found_name = found_desc;
2234                 os_strlcpy(drv->ifname,
2235                            os_strncmp(name[found_desc], "\\Device\\NPF_", 12)
2236                            == 0 ? name[found_desc] + 12 : name[found_desc],
2237                            sizeof(drv->ifname));
2238         }
2239
2240         if (found_name < 0) {
2241                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2242                            drv->ifname);
2243                 os_free(names);
2244                 return -1;
2245         }
2246
2247         i = found_name;
2248         pos = os_strrchr(desc[i], '(');
2249         if (pos) {
2250                 dlen = pos - desc[i];
2251                 pos--;
2252                 if (pos > desc[i] && *pos == ' ')
2253                         dlen--;
2254         } else {
2255                 dlen = os_strlen(desc[i]);
2256         }
2257         drv->adapter_desc = os_malloc(dlen + 1);
2258         if (drv->adapter_desc) {
2259                 os_memcpy(drv->adapter_desc, desc[i], dlen);
2260                 drv->adapter_desc[dlen] = '\0';
2261         }
2262
2263         os_free(names);
2264
2265         if (drv->adapter_desc == NULL)
2266                 return -1;
2267
2268         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2269                    drv->adapter_desc);
2270
2271         return 0;
2272 #endif /* CONFIG_USE_NDISUIO */
2273 }
2274
2275
2276 #if defined(CONFIG_NATIVE_WINDOWS) || defined(__CYGWIN__)
2277 #ifndef _WIN32_WCE
2278 /*
2279  * These structures are undocumented for WinXP; only WinCE version is
2280  * documented. These would be included wzcsapi.h if it were available. Some
2281  * changes here have been needed to make the structures match with WinXP SP2.
2282  * It is unclear whether these work with any other version.
2283  */
2284
2285 typedef struct {
2286         LPWSTR wszGuid;
2287 } INTF_KEY_ENTRY, *PINTF_KEY_ENTRY;
2288
2289 typedef struct {
2290         DWORD dwNumIntfs;
2291         PINTF_KEY_ENTRY pIntfs;
2292 } INTFS_KEY_TABLE, *PINTFS_KEY_TABLE;
2293
2294 typedef struct {
2295         DWORD dwDataLen;
2296         LPBYTE pData;
2297 } RAW_DATA, *PRAW_DATA;
2298
2299 typedef struct {
2300         LPWSTR wszGuid;
2301         LPWSTR wszDescr;
2302         ULONG ulMediaState;
2303         ULONG ulMediaType;
2304         ULONG ulPhysicalMediaType;
2305         INT nInfraMode;
2306         INT nAuthMode;
2307         INT nWepStatus;
2308 #ifndef _WIN32_WCE
2309         u8 pad[2]; /* why is this needed? */
2310 #endif /* _WIN32_WCE */
2311         DWORD dwCtlFlags;
2312         DWORD dwCapabilities; /* something added for WinXP SP2(?) */
2313         RAW_DATA rdSSID;
2314         RAW_DATA rdBSSID;
2315         RAW_DATA rdBSSIDList;
2316         RAW_DATA rdStSSIDList;
2317         RAW_DATA rdCtrlData;
2318 #ifdef UNDER_CE
2319         BOOL bInitialized;
2320 #endif
2321         DWORD nWPAMCastCipher;
2322         /* add some extra buffer for later additions since this interface is
2323          * far from stable */
2324         u8 later_additions[100];
2325 } INTF_ENTRY, *PINTF_ENTRY;
2326
2327 #define INTF_ALL 0xffffffff
2328 #define INTF_ALL_FLAGS 0x0000ffff
2329 #define INTF_CTLFLAGS 0x00000010
2330 #define INTFCTL_ENABLED 0x8000
2331 #endif /* _WIN32_WCE */
2332
2333
2334 #ifdef _WIN32_WCE
2335 static int wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data *drv)
2336 {
2337         HANDLE ndis;
2338         TCHAR multi[100];
2339         int len;
2340
2341         len = _tcslen(drv->adapter_name);
2342         if (len > 80)
2343                 return -1;
2344
2345         ndis = CreateFile(DD_NDIS_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE,
2346                           0, NULL, OPEN_EXISTING, 0, NULL);
2347         if (ndis == INVALID_HANDLE_VALUE) {
2348                 wpa_printf(MSG_DEBUG, "NDIS: Failed to open file to NDIS "
2349                            "device: %d", (int) GetLastError());
2350                 return -1;
2351         }
2352
2353         len++;
2354         memcpy(multi, drv->adapter_name, len * sizeof(TCHAR));
2355         memcpy(&multi[len], TEXT("NDISUIO\0"), 9 * sizeof(TCHAR));
2356         len += 9;
2357
2358         if (!DeviceIoControl(ndis, IOCTL_NDIS_REBIND_ADAPTER,
2359                              multi, len * sizeof(TCHAR), NULL, 0, NULL, NULL))
2360         {
2361                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDIS_REBIND_ADAPTER "
2362                            "failed: 0x%x", (int) GetLastError());
2363                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: rebind multi_sz",
2364                                   (u8 *) multi, len * sizeof(TCHAR));
2365                 CloseHandle(ndis);
2366                 return -1;
2367         }
2368
2369         CloseHandle(ndis);
2370
2371         wpa_printf(MSG_DEBUG, "NDIS: Requested NDIS rebind of NDISUIO "
2372                    "protocol");
2373
2374         return 0;
2375 }
2376 #endif /* _WIN32_WCE */
2377
2378
2379 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2380                                    int enable)
2381 {
2382 #ifdef _WIN32_WCE
2383         HKEY hk, hk2;
2384         LONG ret;
2385         DWORD i, hnd, len;
2386         TCHAR keyname[256], devname[256];
2387
2388 #define WZC_DRIVER TEXT("Drivers\\BuiltIn\\ZeroConfig")
2389
2390         if (enable) {
2391                 HANDLE h;
2392                 h = ActivateDeviceEx(WZC_DRIVER, NULL, 0, NULL);
2393                 if (h == INVALID_HANDLE_VALUE || h == 0) {
2394                         wpa_printf(MSG_DEBUG, "NDIS: Failed to re-enable WZC "
2395                                    "- ActivateDeviceEx failed: %d",
2396                                    (int) GetLastError());
2397                         return -1;
2398                 }
2399
2400                 wpa_printf(MSG_DEBUG, "NDIS: WZC re-enabled");
2401                 return wpa_driver_ndis_rebind_adapter(drv);
2402         }
2403
2404         /*
2405          * Unfortunately, just disabling the WZC for an interface is not enough
2406          * to free NDISUIO for us, so need to disable and unload WZC completely
2407          * for now when using WinCE with NDISUIO. In addition, must request
2408          * NDISUIO protocol to be rebound to the adapter in order to free the
2409          * NDISUIO binding that WZC hold before us.
2410          */
2411
2412         /* Enumerate HKLM\Drivers\Active\* to find a handle to WZC. */
2413         ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, DEVLOAD_ACTIVE_KEY, 0, 0, &hk);
2414         if (ret != ERROR_SUCCESS) {
2415                 wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(DEVLOAD_ACTIVE_KEY) "
2416                            "failed: %d %d", (int) ret, (int) GetLastError());
2417                 return -1;
2418         }
2419
2420         for (i = 0; ; i++) {
2421                 len = sizeof(keyname);
2422                 ret = RegEnumKeyEx(hk, i, keyname, &len, NULL, NULL, NULL,
2423                                    NULL);
2424                 if (ret != ERROR_SUCCESS) {
2425                         wpa_printf(MSG_DEBUG, "NDIS: Could not find active "
2426                                    "WZC - assuming it is not running.");
2427                         RegCloseKey(hk);
2428                         return -1;
2429                 }
2430
2431                 ret = RegOpenKeyEx(hk, keyname, 0, 0, &hk2);
2432                 if (ret != ERROR_SUCCESS) {
2433                         wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(active dev) "
2434                                    "failed: %d %d",
2435                                    (int) ret, (int) GetLastError());
2436                         continue;
2437                 }
2438
2439                 len = sizeof(devname);
2440                 ret = RegQueryValueEx(hk2, DEVLOAD_DEVKEY_VALNAME, NULL, NULL,
2441                                       (LPBYTE) devname, &len);
2442                 if (ret != ERROR_SUCCESS) {
2443                         wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx("
2444                                    "DEVKEY_VALNAME) failed: %d %d",
2445                                    (int) ret, (int) GetLastError());
2446                         RegCloseKey(hk2);
2447                         continue;
2448                 }
2449
2450                 if (_tcscmp(devname, WZC_DRIVER) == 0)
2451                         break;
2452
2453                 RegCloseKey(hk2);
2454         }
2455
2456         RegCloseKey(hk);
2457
2458         /* Found WZC - get handle to it. */
2459         len = sizeof(hnd);
2460         ret = RegQueryValueEx(hk2, DEVLOAD_HANDLE_VALNAME, NULL, NULL,
2461                               (PUCHAR) &hnd, &len);
2462         if (ret != ERROR_SUCCESS) {
2463                 wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx(HANDLE_VALNAME) "
2464                            "failed: %d %d", (int) ret, (int) GetLastError());
2465                 RegCloseKey(hk2);
2466                 return -1;
2467         }
2468
2469         RegCloseKey(hk2);
2470
2471         /* Deactivate WZC */
2472         if (!DeactivateDevice((HANDLE) hnd)) {
2473                 wpa_printf(MSG_DEBUG, "NDIS: DeactivateDevice failed: %d",
2474                            (int) GetLastError());
2475                 return -1;
2476         }
2477
2478         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily");
2479         drv->wzc_disabled = 1;
2480         return wpa_driver_ndis_rebind_adapter(drv);
2481
2482 #else /* _WIN32_WCE */
2483
2484         HMODULE hm;
2485         DWORD (WINAPI *wzc_enum_interf)(LPWSTR pSrvAddr,
2486                                         PINTFS_KEY_TABLE pIntfs);
2487         DWORD (WINAPI *wzc_query_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2488                                          PINTF_ENTRY pIntf,
2489                                          LPDWORD pdwOutFlags);
2490         DWORD (WINAPI *wzc_set_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2491                                        PINTF_ENTRY pIntf, LPDWORD pdwOutFlags);
2492         int ret = -1, j;
2493         DWORD res;
2494         INTFS_KEY_TABLE guids;
2495         INTF_ENTRY intf;
2496         char guid[128];
2497         WCHAR *pos;
2498         DWORD flags, i;
2499
2500         hm = LoadLibrary(TEXT("wzcsapi.dll"));
2501         if (hm == NULL) {
2502                 wpa_printf(MSG_DEBUG, "NDIS: Failed to load wzcsapi.dll (%u) "
2503                            "- WZC probably not running",
2504                            (unsigned int) GetLastError());
2505                 return -1;
2506         }
2507
2508 #ifdef _WIN32_WCE
2509         wzc_enum_interf = (void *) GetProcAddressA(hm, "WZCEnumInterfaces");
2510         wzc_query_interf = (void *) GetProcAddressA(hm, "WZCQueryInterface");
2511         wzc_set_interf = (void *) GetProcAddressA(hm, "WZCSetInterface");
2512 #else /* _WIN32_WCE */
2513         wzc_enum_interf = (void *) GetProcAddress(hm, "WZCEnumInterfaces");
2514         wzc_query_interf = (void *) GetProcAddress(hm, "WZCQueryInterface");
2515         wzc_set_interf = (void *) GetProcAddress(hm, "WZCSetInterface");
2516 #endif /* _WIN32_WCE */
2517
2518         if (wzc_enum_interf == NULL || wzc_query_interf == NULL ||
2519             wzc_set_interf == NULL) {
2520                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces, "
2521                            "WZCQueryInterface, or WZCSetInterface not found "
2522                            "in wzcsapi.dll");
2523                 goto fail;
2524         }
2525
2526         os_memset(&guids, 0, sizeof(guids));
2527         res = wzc_enum_interf(NULL, &guids);
2528         if (res != 0) {
2529                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces failed: %d; "
2530                            "WZC service is apparently not running",
2531                            (int) res);
2532                 goto fail;
2533         }
2534
2535         wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces: %d interfaces",
2536                    (int) guids.dwNumIntfs);
2537
2538         for (i = 0; i < guids.dwNumIntfs; i++) {
2539                 pos = guids.pIntfs[i].wszGuid;
2540                 for (j = 0; j < sizeof(guid); j++) {
2541                         guid[j] = (char) *pos;
2542                         if (*pos == 0)
2543                                 break;
2544                         pos++;
2545                 }
2546                 guid[sizeof(guid) - 1] = '\0';
2547                 wpa_printf(MSG_DEBUG, "NDIS: intfs %d GUID '%s'",
2548                            (int) i, guid);
2549                 if (os_strstr(drv->ifname, guid) == NULL)
2550                         continue;
2551
2552                 wpa_printf(MSG_DEBUG, "NDIS: Current interface found from "
2553                            "WZC");
2554                 break;
2555         }
2556
2557         if (i >= guids.dwNumIntfs) {
2558                 wpa_printf(MSG_DEBUG, "NDIS: Current interface not found from "
2559                            "WZC");
2560                 goto fail;
2561         }
2562
2563         os_memset(&intf, 0, sizeof(intf));
2564         intf.wszGuid = guids.pIntfs[i].wszGuid;
2565         /* Set flags to verify that the structure has not changed. */
2566         intf.dwCtlFlags = -1;
2567         flags = 0;
2568         res = wzc_query_interf(NULL, INTFCTL_ENABLED, &intf, &flags);
2569         if (res != 0) {
2570                 wpa_printf(MSG_DEBUG, "NDIS: Could not query flags for the "
2571                            "WZC interface: %d (0x%x)",
2572                            (int) res, (int) res);
2573                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2574                            (unsigned int) GetLastError());
2575                 goto fail;
2576         }
2577
2578         wpa_printf(MSG_DEBUG, "NDIS: WZC interface flags 0x%x dwCtlFlags 0x%x",
2579                    (int) flags, (int) intf.dwCtlFlags);
2580
2581         if (intf.dwCtlFlags == -1) {
2582                 wpa_printf(MSG_DEBUG, "NDIS: Looks like wzcsapi has changed "
2583                            "again - could not disable WZC");
2584                 wpa_hexdump(MSG_MSGDUMP, "NDIS: intf",
2585                             (u8 *) &intf, sizeof(intf));
2586                 goto fail;
2587         }
2588
2589         if (enable) {
2590                 if (!(intf.dwCtlFlags & INTFCTL_ENABLED)) {
2591                         wpa_printf(MSG_DEBUG, "NDIS: Enabling WZC for this "
2592                                    "interface");
2593                         intf.dwCtlFlags |= INTFCTL_ENABLED;
2594                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2595                                              &flags);
2596                         if (res != 0) {
2597                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to enable "
2598                                            "WZC: %d (0x%x)",
2599                                            (int) res, (int) res);
2600                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2601                                            (unsigned int) GetLastError());
2602                                 goto fail;
2603                         }
2604                         wpa_printf(MSG_DEBUG, "NDIS: Re-enabled WZC for this "
2605                                    "interface");
2606                         drv->wzc_disabled = 0;
2607                 }
2608         } else {
2609                 if (intf.dwCtlFlags & INTFCTL_ENABLED) {
2610                         wpa_printf(MSG_DEBUG, "NDIS: Disabling WZC for this "
2611                                    "interface");
2612                         intf.dwCtlFlags &= ~INTFCTL_ENABLED;
2613                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2614                                              &flags);
2615                         if (res != 0) {
2616                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to "
2617                                            "disable WZC: %d (0x%x)",
2618                                            (int) res, (int) res);
2619                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2620                                            (unsigned int) GetLastError());
2621                                 goto fail;
2622                         }
2623                         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily "
2624                                    "for this interface");
2625                         drv->wzc_disabled = 1;
2626                 } else {
2627                         wpa_printf(MSG_DEBUG, "NDIS: WZC was not enabled for "
2628                                    "this interface");
2629                 }
2630         }
2631
2632         ret = 0;
2633
2634 fail:
2635         FreeLibrary(hm);
2636
2637         return ret;
2638 #endif /* _WIN32_WCE */
2639 }
2640
2641 #else /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2642
2643 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2644                                    int enable)
2645 {
2646         return 0;
2647 }
2648
2649 #endif /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2650
2651
2652 #ifdef CONFIG_USE_NDISUIO
2653 /*
2654  * l2_packet_ndis.c is sharing the same handle to NDISUIO, so we must be able
2655  * to export this handle. This is somewhat ugly, but there is no better
2656  * mechanism available to pass data from driver interface to l2_packet wrapper.
2657  */
2658 static HANDLE driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2659
2660 HANDLE driver_ndis_get_ndisuio_handle(void)
2661 {
2662         return driver_ndis_ndisuio_handle;
2663 }
2664 #endif /* CONFIG_USE_NDISUIO */
2665
2666
2667 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv)
2668 {
2669 #ifdef CONFIG_USE_NDISUIO
2670 #ifndef _WIN32_WCE
2671 #define NDISUIO_DEVICE_NAME TEXT("\\\\.\\\\Ndisuio")
2672         DWORD written;
2673 #endif /* _WIN32_WCE */
2674         drv->ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2675                                   GENERIC_READ | GENERIC_WRITE, 0, NULL,
2676                                   OPEN_EXISTING,
2677                                   FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2678                                   INVALID_HANDLE_VALUE);
2679         if (drv->ndisuio == INVALID_HANDLE_VALUE) {
2680                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2681                            "NDISUIO: %d", (int) GetLastError());
2682                 return -1;
2683         }
2684         driver_ndis_ndisuio_handle = drv->ndisuio;
2685
2686 #ifndef _WIN32_WCE
2687         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2688                              NULL, 0, &written, NULL)) {
2689                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2690                            "%d", (int) GetLastError());
2691                 CloseHandle(drv->ndisuio);
2692                 drv->ndisuio = INVALID_HANDLE_VALUE;
2693                 return -1;
2694         }
2695 #endif /* _WIN32_WCE */
2696
2697         return 0;
2698 #else /* CONFIG_USE_NDISUIO */
2699         return 0;
2700 #endif /* CONFIG_USE_NDISUIO */
2701 }
2702
2703
2704 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv)
2705 {
2706 #ifdef CONFIG_USE_NDISUIO
2707         DWORD written;
2708 #define MAX_NDIS_DEVICE_NAME_LEN 256
2709         WCHAR ifname[MAX_NDIS_DEVICE_NAME_LEN];
2710         size_t len, i, pos;
2711         const char *prefix = "\\DEVICE\\";
2712
2713 #ifdef _WIN32_WCE
2714         pos = 0;
2715 #else /* _WIN32_WCE */
2716         pos = 8;
2717 #endif /* _WIN32_WCE */
2718         len = pos + os_strlen(drv->ifname);
2719         if (len >= MAX_NDIS_DEVICE_NAME_LEN)
2720                 return -1;
2721         for (i = 0; i < pos; i++)
2722                 ifname[i] = (WCHAR) prefix[i];
2723         for (i = pos; i < len; i++)
2724                 ifname[i] = (WCHAR) drv->ifname[i - pos];
2725         ifname[i] = L'\0';
2726
2727         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_OPEN_DEVICE,
2728                              ifname, len * sizeof(WCHAR), NULL, 0, &written,
2729                              NULL)) {
2730                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_OPEN_DEVICE "
2731                            "failed: %d", (int) GetLastError());
2732                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: ifname",
2733                                   (const u8 *) ifname, len * sizeof(WCHAR));
2734                 CloseHandle(drv->ndisuio);
2735                 drv->ndisuio = INVALID_HANDLE_VALUE;
2736                 return -1;
2737         }
2738
2739         wpa_printf(MSG_DEBUG, "NDIS: Opened NDISUIO device successfully");
2740
2741         return 0;
2742 #else /* CONFIG_USE_NDISUIO */
2743         char ifname[128];
2744         os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", drv->ifname);
2745         drv->adapter = PacketOpenAdapter(ifname);
2746         if (drv->adapter == NULL) {
2747                 wpa_printf(MSG_DEBUG, "NDIS: PacketOpenAdapter failed for "
2748                            "'%s'", ifname);
2749                 return -1;
2750         }
2751         return 0;
2752 #endif /* CONFIG_USE_NDISUIO */
2753 }
2754
2755
2756 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv)
2757 {
2758 #ifdef CONFIG_USE_NDISUIO
2759         driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2760         if (drv->ndisuio != INVALID_HANDLE_VALUE)
2761                 CloseHandle(drv->ndisuio);
2762 #else /* CONFIG_USE_NDISUIO */
2763         if (drv->adapter)
2764                 PacketCloseAdapter(drv->adapter);
2765 #endif /* CONFIG_USE_NDISUIO */
2766 }
2767
2768
2769 static int ndis_add_multicast(struct wpa_driver_ndis_data *drv)
2770 {
2771         if (ndis_set_oid(drv, OID_802_3_MULTICAST_LIST,
2772                          (const char *) pae_group_addr, ETH_ALEN) < 0) {
2773                 wpa_printf(MSG_DEBUG, "NDIS: Failed to add PAE group address "
2774                            "to the multicast list");
2775                 return -1;
2776         }
2777
2778         return 0;
2779 }
2780
2781
2782 static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
2783 {
2784         struct wpa_driver_ndis_data *drv;
2785         u32 mode;
2786
2787         drv = os_zalloc(sizeof(*drv));
2788         if (drv == NULL)
2789                 return NULL;
2790         drv->ctx = ctx;
2791         /*
2792          * Compatibility code to strip possible prefix from the GUID. Previous
2793          * versions include \Device\NPF_ prefix for all names, but the internal
2794          * interface name is now only the GUI. Both Packet32 and NDISUIO
2795          * prefixes are supported.
2796          */
2797         if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
2798                 ifname += 12;
2799         else if (os_strncmp(ifname, "\\DEVICE\\", 8) == 0)
2800                 ifname += 8;
2801         os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
2802
2803         if (wpa_driver_ndis_adapter_init(drv) < 0) {
2804                 os_free(drv);
2805                 return NULL;
2806         }
2807
2808         if (wpa_driver_ndis_get_names(drv) < 0) {
2809                 wpa_driver_ndis_adapter_close(drv);
2810                 os_free(drv);
2811                 return NULL;
2812         }
2813
2814         wpa_driver_ndis_set_wzc(drv, 0);
2815
2816         if (wpa_driver_ndis_adapter_open(drv) < 0) {
2817                 wpa_driver_ndis_adapter_close(drv);
2818                 os_free(drv);
2819                 return NULL;
2820         }
2821
2822         if (ndis_get_oid(drv, OID_802_3_CURRENT_ADDRESS,
2823                          (char *) drv->own_addr, ETH_ALEN) < 0) {
2824                 wpa_printf(MSG_DEBUG, "NDIS: Get OID_802_3_CURRENT_ADDRESS "
2825                            "failed");
2826                 wpa_driver_ndis_adapter_close(drv);
2827                 os_free(drv);
2828                 return NULL;
2829         }
2830         wpa_driver_ndis_get_capability(drv);
2831
2832         /* Make sure that the driver does not have any obsolete PMKID entries.
2833          */
2834         wpa_driver_ndis_flush_pmkid(drv);
2835
2836         /*
2837          * Disconnect to make sure that driver re-associates if it was
2838          * connected.
2839          */
2840         wpa_driver_ndis_disconnect(drv);
2841
2842         eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout, drv, NULL);
2843
2844 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2845         drv->events = ndis_events_init(&drv->events_pipe, &drv->event_avail,
2846                                        drv->ifname, drv->adapter_desc);
2847         if (drv->events == NULL) {
2848                 wpa_driver_ndis_deinit(drv);
2849                 return NULL;
2850         }
2851         eloop_register_event(drv->event_avail, sizeof(drv->event_avail),
2852                              wpa_driver_ndis_event_pipe_cb, drv, NULL);
2853 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2854
2855 #ifdef _WIN32_WCE
2856         if (ndisuio_notification_init(drv) < 0) {
2857                 wpa_driver_ndis_deinit(drv);
2858                 return NULL;
2859         }
2860 #endif /* _WIN32_WCE */
2861
2862         /* Set mode here in case card was configured for ad-hoc mode
2863          * previously. */
2864         mode = Ndis802_11Infrastructure;
2865         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
2866                          (char *) &mode, sizeof(mode)) < 0) {
2867                 char buf[8];
2868                 int res;
2869                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
2870                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
2871                            (int) mode);
2872                 /* Try to continue anyway */
2873
2874                 res = ndis_get_oid(drv, OID_DOT11_CURRENT_OPERATION_MODE, buf,
2875                                    sizeof(buf));
2876                 if (res > 0) {
2877                         wpa_printf(MSG_INFO, "NDIS: The driver seems to use "
2878                                    "Native 802.11 OIDs. These are not yet "
2879                                    "fully supported.");
2880                         drv->native80211 = 1;
2881                 } else if (!drv->has_capability || drv->capa.enc == 0) {
2882                         /*
2883                          * Note: This will also happen with NDIS 6 drivers with
2884                          * Vista.
2885                          */
2886                         wpa_printf(MSG_DEBUG, "NDIS: Driver did not provide "
2887                                    "any wireless capabilities - assume it is "
2888                                    "a wired interface");
2889                         drv->wired = 1;
2890                         drv->capa.flags |= WPA_DRIVER_FLAGS_WIRED;
2891                         drv->has_capability = 1;
2892                         ndis_add_multicast(drv);
2893                 }
2894         }
2895
2896         return drv;
2897 }
2898
2899
2900 static void wpa_driver_ndis_deinit(void *priv)
2901 {
2902         struct wpa_driver_ndis_data *drv = priv;
2903
2904 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2905         if (drv->events) {
2906                 eloop_unregister_event(drv->event_avail,
2907                                        sizeof(drv->event_avail));
2908                 ndis_events_deinit(drv->events);
2909         }
2910 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2911
2912 #ifdef _WIN32_WCE
2913         ndisuio_notification_deinit(drv);
2914 #endif /* _WIN32_WCE */
2915
2916         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
2917         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
2918         wpa_driver_ndis_flush_pmkid(drv);
2919         wpa_driver_ndis_disconnect(drv);
2920         if (wpa_driver_ndis_radio_off(drv) < 0) {
2921                 wpa_printf(MSG_DEBUG, "NDIS: failed to disassociate and turn "
2922                            "radio off");
2923         }
2924
2925         wpa_driver_ndis_adapter_close(drv);
2926
2927         if (drv->wzc_disabled)
2928                 wpa_driver_ndis_set_wzc(drv, 1);
2929
2930 #ifdef _WIN32_WCE
2931         os_free(drv->adapter_name);
2932 #endif /* _WIN32_WCE */
2933         os_free(drv->adapter_desc);
2934         os_free(drv);
2935 }
2936
2937
2938 static struct wpa_interface_info *
2939 wpa_driver_ndis_get_interfaces(void *global_priv)
2940 {
2941         struct wpa_interface_info *iface = NULL, *niface;
2942
2943 #ifdef CONFIG_USE_NDISUIO
2944         NDISUIO_QUERY_BINDING *b;
2945         size_t blen = sizeof(*b) + 1024;
2946         int i, error;
2947         DWORD written;
2948         char name[256], desc[256];
2949         WCHAR *pos;
2950         size_t j, len;
2951         HANDLE ndisuio;
2952
2953         ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2954                              GENERIC_READ | GENERIC_WRITE, 0, NULL,
2955                              OPEN_EXISTING,
2956                              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2957                              INVALID_HANDLE_VALUE);
2958         if (ndisuio == INVALID_HANDLE_VALUE) {
2959                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2960                            "NDISUIO: %d", (int) GetLastError());
2961                 return NULL;
2962         }
2963
2964 #ifndef _WIN32_WCE
2965         if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2966                              NULL, 0, &written, NULL)) {
2967                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2968                            "%d", (int) GetLastError());
2969                 CloseHandle(ndisuio);
2970                 return NULL;
2971         }
2972 #endif /* _WIN32_WCE */
2973
2974         b = os_malloc(blen);
2975         if (b == NULL) {
2976                 CloseHandle(ndisuio);
2977                 return NULL;
2978         }
2979
2980         for (i = 0; ; i++) {
2981                 os_memset(b, 0, blen);
2982                 b->BindingIndex = i;
2983                 if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
2984                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
2985                                      &written, NULL)) {
2986                         error = (int) GetLastError();
2987                         if (error == ERROR_NO_MORE_ITEMS)
2988                                 break;
2989                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
2990                                    "failed: %d", error);
2991                         break;
2992                 }
2993
2994                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
2995                 len = b->DeviceNameLength;
2996                 if (len >= sizeof(name))
2997                         len = sizeof(name) - 1;
2998                 for (j = 0; j < len; j++)
2999                         name[j] = (char) pos[j];
3000                 name[len] = '\0';
3001
3002                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
3003                 len = b->DeviceDescrLength;
3004                 if (len >= sizeof(desc))
3005                         len = sizeof(desc) - 1;
3006                 for (j = 0; j < len; j++)
3007                         desc[j] = (char) pos[j];
3008                 desc[len] = '\0';
3009
3010                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
3011
3012                 niface = os_zalloc(sizeof(*niface));
3013                 if (niface == NULL)
3014                         break;
3015                 niface->drv_name = "ndis";
3016                 if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
3017                         niface->ifname = os_strdup(name + 8);
3018                 else
3019                         niface->ifname = os_strdup(name);
3020                 if (niface->ifname == NULL) {
3021                         os_free(niface);
3022                         break;
3023                 }
3024                 niface->desc = os_strdup(desc);
3025                 niface->next = iface;
3026                 iface = niface;
3027         }
3028
3029         os_free(b);
3030         CloseHandle(ndisuio);
3031 #else /* CONFIG_USE_NDISUIO */
3032         PTSTR _names;
3033         char *names, *pos, *pos2;
3034         ULONG len;
3035         BOOLEAN res;
3036         char *name[MAX_ADAPTERS];
3037         char *desc[MAX_ADAPTERS];
3038         int num_name, num_desc, i;
3039
3040         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
3041                    PacketGetVersion());
3042
3043         len = 8192;
3044         _names = os_zalloc(len);
3045         if (_names == NULL)
3046                 return NULL;
3047
3048         res = PacketGetAdapterNames(_names, &len);
3049         if (!res && len > 8192) {
3050                 os_free(_names);
3051                 _names = os_zalloc(len);
3052                 if (_names == NULL)
3053                         return NULL;
3054                 res = PacketGetAdapterNames(_names, &len);
3055         }
3056
3057         if (!res) {
3058                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
3059                            "(PacketGetAdapterNames)");
3060                 os_free(_names);
3061                 return NULL;
3062         }
3063
3064         names = (char *) _names;
3065         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
3066                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
3067                            "UNICODE");
3068                 /* Convert to ASCII */
3069                 pos2 = pos = names;
3070                 while (pos2 < names + len) {
3071                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
3072                             pos2[2] == '\0' && pos2[3] == '\0') {
3073                                 pos2 += 4;
3074                                 break;
3075                         }
3076                         *pos++ = pos2[0];
3077                         pos2 += 2;
3078                 }
3079                 os_memcpy(pos + 2, names, pos - names);
3080                 pos += 2;
3081         } else
3082                 pos = names;
3083
3084         num_name = 0;
3085         while (pos < names + len) {
3086                 name[num_name] = pos;
3087                 while (*pos && pos < names + len)
3088                         pos++;
3089                 if (pos + 1 >= names + len) {
3090                         os_free(names);
3091                         return NULL;
3092                 }
3093                 pos++;
3094                 num_name++;
3095                 if (num_name >= MAX_ADAPTERS) {
3096                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
3097                         os_free(names);
3098                         return NULL;
3099                 }
3100                 if (*pos == '\0') {
3101                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
3102                                    num_name);
3103                         pos++;
3104                         break;
3105                 }
3106         }
3107
3108         num_desc = 0;
3109         while (pos < names + len) {
3110                 desc[num_desc] = pos;
3111                 while (*pos && pos < names + len)
3112                         pos++;
3113                 if (pos + 1 >= names + len) {
3114                         os_free(names);
3115                         return NULL;
3116                 }
3117                 pos++;
3118                 num_desc++;
3119                 if (num_desc >= MAX_ADAPTERS) {
3120                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
3121                                    "descriptions");
3122                         os_free(names);
3123                         return NULL;
3124                 }
3125                 if (*pos == '\0') {
3126                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
3127                                    "found", num_name);
3128                         pos++;
3129                         break;
3130                 }
3131         }
3132
3133         /*
3134          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
3135          * descriptions. Fill in dummy descriptors to work around this.
3136          */
3137         while (num_desc < num_name)
3138                 desc[num_desc++] = "dummy description";
3139
3140         if (num_name != num_desc) {
3141                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
3142                            "description counts (%d != %d)",
3143                            num_name, num_desc);
3144                 os_free(names);
3145                 return NULL;
3146         }
3147
3148         for (i = 0; i < num_name; i++) {
3149                 niface = os_zalloc(sizeof(*niface));
3150                 if (niface == NULL)
3151                         break;
3152                 niface->drv_name = "ndis";
3153                 if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
3154                         niface->ifname = os_strdup(name[i] + 12);
3155                 else
3156                         niface->ifname = os_strdup(name[i]);
3157                 if (niface->ifname == NULL) {
3158                         os_free(niface);
3159                         break;
3160                 }
3161                 niface->desc = os_strdup(desc[i]);
3162                 niface->next = iface;
3163                 iface = niface;
3164         }
3165
3166 #endif /* CONFIG_USE_NDISUIO */
3167
3168         return iface;
3169 }
3170
3171
3172 const struct wpa_driver_ops wpa_driver_ndis_ops = {
3173         "ndis",
3174         "Windows NDIS driver",
3175         wpa_driver_ndis_get_bssid,
3176         wpa_driver_ndis_get_ssid,
3177         wpa_driver_ndis_set_wpa,
3178         wpa_driver_ndis_set_key,
3179         wpa_driver_ndis_init,
3180         wpa_driver_ndis_deinit,
3181         NULL /* set_param */,
3182         NULL /* set_countermeasures */,
3183         NULL /* set_drop_unencrypted */,
3184         wpa_driver_ndis_scan,
3185         NULL /* get_scan_results */,
3186         wpa_driver_ndis_deauthenticate,
3187         wpa_driver_ndis_disassociate,
3188         wpa_driver_ndis_associate,
3189         NULL /* set_auth_alg */,
3190         wpa_driver_ndis_add_pmkid,
3191         wpa_driver_ndis_remove_pmkid,
3192         wpa_driver_ndis_flush_pmkid,
3193         wpa_driver_ndis_get_capa,
3194         wpa_driver_ndis_poll,
3195         wpa_driver_ndis_get_ifname,
3196         wpa_driver_ndis_get_mac_addr,
3197         NULL /* send_eapol */,
3198         NULL /* set_operstate */,
3199         NULL /* mlme_setprotection */,
3200         NULL /* get_hw_feature_data */,
3201         NULL /* set_channel */,
3202         NULL /* set_ssid */,
3203         NULL /* set_bssid */,
3204         NULL /* send_mlme */,
3205         NULL /* mlme_add_sta */,
3206         NULL /* mlme_remove_sta */,
3207         NULL /* update_ft_ies */,
3208         NULL /* send_ft_action */,
3209         wpa_driver_ndis_get_scan_results,
3210         NULL /* set_probe_req_ie */,
3211         NULL /* set_mode */,
3212         NULL /* set_country */,
3213         NULL /* global_init */,
3214         NULL /* global_deinit */,
3215         NULL /* init2 */,
3216         wpa_driver_ndis_get_interfaces,
3217         NULL /* scan2 */,
3218         NULL /* authenticate */,
3219         NULL /* set_beacon */,
3220         NULL /* set_beacon_int */
3221 };