xref: /freebsd/contrib/wpa/src/drivers/driver_ndis.c (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*
2  * WPA Supplicant - Windows/NDIS driver interface
3  * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifdef __CYGWIN__
10 /* Avoid some header file conflicts by not including standard headers for
11  * cygwin builds when Packet32.h is included. */
12 #include "build_config.h"
13 int close(int fd);
14 #else /* __CYGWIN__ */
15 #include "includes.h"
16 #endif /* __CYGWIN__ */
17 #ifdef CONFIG_USE_NDISUIO
18 #include <winsock2.h>
19 #else /* CONFIG_USE_NDISUIO */
20 #include <Packet32.h>
21 #endif /* CONFIG_USE_NDISUIO */
22 #ifdef __MINGW32_VERSION
23 #include <ddk/ntddndis.h>
24 #else /* __MINGW32_VERSION */
25 #include <ntddndis.h>
26 #endif /* __MINGW32_VERSION */
27 
28 #ifdef _WIN32_WCE
29 #include <winioctl.h>
30 #include <nuiouser.h>
31 #include <devload.h>
32 #endif /* _WIN32_WCE */
33 
34 #include "common.h"
35 #include "driver.h"
36 #include "eloop.h"
37 #include "common/ieee802_11_defs.h"
38 #include "driver_ndis.h"
39 
40 int wpa_driver_register_event_cb(struct wpa_driver_ndis_data *drv);
41 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
42 void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data);
43 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
44 
45 static void wpa_driver_ndis_deinit(void *priv);
46 static void wpa_driver_ndis_poll(void *drv);
47 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx);
48 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv);
49 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv);
50 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv);
51 
52 
53 static const u8 pae_group_addr[ETH_ALEN] =
54 { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
55 
56 
57 /* FIX: to be removed once this can be compiled with the complete NDIS
58  * header files */
59 #ifndef OID_802_11_BSSID
60 #define OID_802_3_MULTICAST_LIST                0x01010103
61 #define OID_802_11_BSSID 			0x0d010101
62 #define OID_802_11_SSID 			0x0d010102
63 #define OID_802_11_INFRASTRUCTURE_MODE		0x0d010108
64 #define OID_802_11_ADD_WEP			0x0D010113
65 #define OID_802_11_REMOVE_WEP			0x0D010114
66 #define OID_802_11_DISASSOCIATE			0x0D010115
67 #define OID_802_11_BSSID_LIST 			0x0d010217
68 #define OID_802_11_AUTHENTICATION_MODE		0x0d010118
69 #define OID_802_11_PRIVACY_FILTER		0x0d010119
70 #define OID_802_11_BSSID_LIST_SCAN 		0x0d01011A
71 #define OID_802_11_WEP_STATUS	 		0x0d01011B
72 #define OID_802_11_ENCRYPTION_STATUS OID_802_11_WEP_STATUS
73 #define OID_802_11_ADD_KEY 			0x0d01011D
74 #define OID_802_11_REMOVE_KEY 			0x0d01011E
75 #define OID_802_11_ASSOCIATION_INFORMATION	0x0d01011F
76 #define OID_802_11_TEST 			0x0d010120
77 #define OID_802_11_CAPABILITY 			0x0d010122
78 #define OID_802_11_PMKID 			0x0d010123
79 
80 #define NDIS_802_11_LENGTH_SSID 32
81 #define NDIS_802_11_LENGTH_RATES 8
82 #define NDIS_802_11_LENGTH_RATES_EX 16
83 
84 typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
85 
86 typedef struct NDIS_802_11_SSID {
87 	ULONG SsidLength;
88 	UCHAR Ssid[NDIS_802_11_LENGTH_SSID];
89 } NDIS_802_11_SSID;
90 
91 typedef LONG NDIS_802_11_RSSI;
92 
93 typedef enum NDIS_802_11_NETWORK_TYPE {
94 	Ndis802_11FH,
95 	Ndis802_11DS,
96 	Ndis802_11OFDM5,
97 	Ndis802_11OFDM24,
98 	Ndis802_11NetworkTypeMax
99 } NDIS_802_11_NETWORK_TYPE;
100 
101 typedef struct NDIS_802_11_CONFIGURATION_FH {
102 	ULONG Length;
103 	ULONG HopPattern;
104 	ULONG HopSet;
105 	ULONG DwellTime;
106 } NDIS_802_11_CONFIGURATION_FH;
107 
108 typedef struct NDIS_802_11_CONFIGURATION {
109 	ULONG Length;
110 	ULONG BeaconPeriod;
111 	ULONG ATIMWindow;
112 	ULONG DSConfig;
113 	NDIS_802_11_CONFIGURATION_FH FHConfig;
114 } NDIS_802_11_CONFIGURATION;
115 
116 typedef enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
117 	Ndis802_11IBSS,
118 	Ndis802_11Infrastructure,
119 	Ndis802_11AutoUnknown,
120 	Ndis802_11InfrastructureMax
121 } NDIS_802_11_NETWORK_INFRASTRUCTURE;
122 
123 typedef enum NDIS_802_11_AUTHENTICATION_MODE {
124 	Ndis802_11AuthModeOpen,
125 	Ndis802_11AuthModeShared,
126 	Ndis802_11AuthModeAutoSwitch,
127 	Ndis802_11AuthModeWPA,
128 	Ndis802_11AuthModeWPAPSK,
129 	Ndis802_11AuthModeWPANone,
130 	Ndis802_11AuthModeWPA2,
131 	Ndis802_11AuthModeWPA2PSK,
132 	Ndis802_11AuthModeMax
133 } NDIS_802_11_AUTHENTICATION_MODE;
134 
135 typedef enum NDIS_802_11_WEP_STATUS {
136 	Ndis802_11WEPEnabled,
137 	Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
138 	Ndis802_11WEPDisabled,
139 	Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
140 	Ndis802_11WEPKeyAbsent,
141 	Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
142 	Ndis802_11WEPNotSupported,
143 	Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
144 	Ndis802_11Encryption2Enabled,
145 	Ndis802_11Encryption2KeyAbsent,
146 	Ndis802_11Encryption3Enabled,
147 	Ndis802_11Encryption3KeyAbsent
148 } NDIS_802_11_WEP_STATUS, NDIS_802_11_ENCRYPTION_STATUS;
149 
150 typedef enum NDIS_802_11_PRIVACY_FILTER {
151 	Ndis802_11PrivFilterAcceptAll,
152 	Ndis802_11PrivFilter8021xWEP
153 } NDIS_802_11_PRIVACY_FILTER;
154 
155 typedef UCHAR NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];
156 typedef UCHAR NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];
157 
158 typedef struct NDIS_WLAN_BSSID_EX {
159 	ULONG Length;
160 	NDIS_802_11_MAC_ADDRESS MacAddress; /* BSSID */
161 	UCHAR Reserved[2];
162 	NDIS_802_11_SSID Ssid;
163 	ULONG Privacy;
164 	NDIS_802_11_RSSI Rssi;
165 	NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
166 	NDIS_802_11_CONFIGURATION Configuration;
167 	NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
168 	NDIS_802_11_RATES_EX SupportedRates;
169 	ULONG IELength;
170 	UCHAR IEs[1];
171 } NDIS_WLAN_BSSID_EX;
172 
173 typedef struct NDIS_802_11_BSSID_LIST_EX {
174 	ULONG NumberOfItems;
175 	NDIS_WLAN_BSSID_EX Bssid[1];
176 } NDIS_802_11_BSSID_LIST_EX;
177 
178 typedef struct NDIS_802_11_FIXED_IEs {
179 	UCHAR Timestamp[8];
180 	USHORT BeaconInterval;
181 	USHORT Capabilities;
182 } NDIS_802_11_FIXED_IEs;
183 
184 typedef struct NDIS_802_11_WEP {
185 	ULONG Length;
186 	ULONG KeyIndex;
187 	ULONG KeyLength;
188 	UCHAR KeyMaterial[1];
189 } NDIS_802_11_WEP;
190 
191 typedef ULONG NDIS_802_11_KEY_INDEX;
192 typedef ULONGLONG NDIS_802_11_KEY_RSC;
193 
194 typedef struct NDIS_802_11_KEY {
195 	ULONG Length;
196 	ULONG KeyIndex;
197 	ULONG KeyLength;
198 	NDIS_802_11_MAC_ADDRESS BSSID;
199 	NDIS_802_11_KEY_RSC KeyRSC;
200 	UCHAR KeyMaterial[1];
201 } NDIS_802_11_KEY;
202 
203 typedef struct NDIS_802_11_REMOVE_KEY {
204 	ULONG Length;
205 	ULONG KeyIndex;
206 	NDIS_802_11_MAC_ADDRESS BSSID;
207 } NDIS_802_11_REMOVE_KEY;
208 
209 typedef struct NDIS_802_11_AI_REQFI {
210 	USHORT Capabilities;
211 	USHORT ListenInterval;
212 	NDIS_802_11_MAC_ADDRESS CurrentAPAddress;
213 } NDIS_802_11_AI_REQFI;
214 
215 typedef struct NDIS_802_11_AI_RESFI {
216 	USHORT Capabilities;
217 	USHORT StatusCode;
218 	USHORT AssociationId;
219 } NDIS_802_11_AI_RESFI;
220 
221 typedef struct NDIS_802_11_ASSOCIATION_INFORMATION {
222 	ULONG Length;
223 	USHORT AvailableRequestFixedIEs;
224 	NDIS_802_11_AI_REQFI RequestFixedIEs;
225 	ULONG RequestIELength;
226 	ULONG OffsetRequestIEs;
227 	USHORT AvailableResponseFixedIEs;
228 	NDIS_802_11_AI_RESFI ResponseFixedIEs;
229 	ULONG ResponseIELength;
230 	ULONG OffsetResponseIEs;
231 } NDIS_802_11_ASSOCIATION_INFORMATION;
232 
233 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
234 	NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
235 	NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
236 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
237 
238 typedef struct NDIS_802_11_CAPABILITY {
239 	ULONG Length;
240 	ULONG Version;
241 	ULONG NoOfPMKIDs;
242 	ULONG NoOfAuthEncryptPairsSupported;
243 	NDIS_802_11_AUTHENTICATION_ENCRYPTION
244 		AuthenticationEncryptionSupported[1];
245 } NDIS_802_11_CAPABILITY;
246 
247 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
248 
249 typedef struct BSSID_INFO {
250 	NDIS_802_11_MAC_ADDRESS BSSID;
251 	NDIS_802_11_PMKID_VALUE PMKID;
252 } BSSID_INFO;
253 
254 typedef struct NDIS_802_11_PMKID {
255 	ULONG Length;
256 	ULONG BSSIDInfoCount;
257 	BSSID_INFO BSSIDInfo[1];
258 } NDIS_802_11_PMKID;
259 
260 typedef enum NDIS_802_11_STATUS_TYPE {
261 	Ndis802_11StatusType_Authentication,
262 	Ndis802_11StatusType_PMKID_CandidateList = 2,
263 	Ndis802_11StatusTypeMax
264 } NDIS_802_11_STATUS_TYPE;
265 
266 typedef struct NDIS_802_11_STATUS_INDICATION {
267 	NDIS_802_11_STATUS_TYPE StatusType;
268 } NDIS_802_11_STATUS_INDICATION;
269 
270 typedef struct PMKID_CANDIDATE {
271 	NDIS_802_11_MAC_ADDRESS BSSID;
272 	ULONG Flags;
273 } PMKID_CANDIDATE;
274 
275 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
276 
277 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
278 	ULONG Version;
279 	ULONG NumCandidates;
280 	PMKID_CANDIDATE CandidateList[1];
281 } NDIS_802_11_PMKID_CANDIDATE_LIST;
282 
283 typedef struct NDIS_802_11_AUTHENTICATION_REQUEST {
284 	ULONG Length;
285 	NDIS_802_11_MAC_ADDRESS Bssid;
286 	ULONG Flags;
287 } NDIS_802_11_AUTHENTICATION_REQUEST;
288 
289 #define NDIS_802_11_AUTH_REQUEST_REAUTH			0x01
290 #define NDIS_802_11_AUTH_REQUEST_KEYUPDATE		0x02
291 #define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR		0x06
292 #define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR		0x0E
293 
294 #endif /* OID_802_11_BSSID */
295 
296 
297 #ifndef OID_802_11_PMKID
298 /* Platform SDK for XP did not include WPA2, so add needed definitions */
299 
300 #define OID_802_11_CAPABILITY 			0x0d010122
301 #define OID_802_11_PMKID 			0x0d010123
302 
303 #define Ndis802_11AuthModeWPA2 6
304 #define Ndis802_11AuthModeWPA2PSK 7
305 
306 #define Ndis802_11StatusType_PMKID_CandidateList 2
307 
308 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
309 	NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
310 	NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
311 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
312 
313 typedef struct NDIS_802_11_CAPABILITY {
314 	ULONG Length;
315 	ULONG Version;
316 	ULONG NoOfPMKIDs;
317 	ULONG NoOfAuthEncryptPairsSupported;
318 	NDIS_802_11_AUTHENTICATION_ENCRYPTION
319 		AuthenticationEncryptionSupported[1];
320 } NDIS_802_11_CAPABILITY;
321 
322 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
323 
324 typedef struct BSSID_INFO {
325 	NDIS_802_11_MAC_ADDRESS BSSID;
326 	NDIS_802_11_PMKID_VALUE PMKID;
327 } BSSID_INFO;
328 
329 typedef struct NDIS_802_11_PMKID {
330 	ULONG Length;
331 	ULONG BSSIDInfoCount;
332 	BSSID_INFO BSSIDInfo[1];
333 } NDIS_802_11_PMKID;
334 
335 typedef struct PMKID_CANDIDATE {
336 	NDIS_802_11_MAC_ADDRESS BSSID;
337 	ULONG Flags;
338 } PMKID_CANDIDATE;
339 
340 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
341 
342 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
343 	ULONG Version;
344 	ULONG NumCandidates;
345 	PMKID_CANDIDATE CandidateList[1];
346 } NDIS_802_11_PMKID_CANDIDATE_LIST;
347 
348 #endif /* OID_802_11_CAPABILITY */
349 
350 
351 #ifndef OID_DOT11_CURRENT_OPERATION_MODE
352 /* Native 802.11 OIDs */
353 #define OID_DOT11_NDIS_START 0x0D010300
354 #define OID_DOT11_CURRENT_OPERATION_MODE (OID_DOT11_NDIS_START + 8)
355 #define OID_DOT11_SCAN_REQUEST (OID_DOT11_NDIS_START + 11)
356 
357 typedef enum _DOT11_BSS_TYPE {
358 	dot11_BSS_type_infrastructure = 1,
359 	dot11_BSS_type_independent = 2,
360 	dot11_BSS_type_any = 3
361 } DOT11_BSS_TYPE, * PDOT11_BSS_TYPE;
362 
363 typedef UCHAR DOT11_MAC_ADDRESS[6];
364 typedef DOT11_MAC_ADDRESS * PDOT11_MAC_ADDRESS;
365 
366 typedef enum _DOT11_SCAN_TYPE {
367 	dot11_scan_type_active = 1,
368 	dot11_scan_type_passive = 2,
369 	dot11_scan_type_auto = 3,
370 	dot11_scan_type_forced = 0x80000000
371 } DOT11_SCAN_TYPE, * PDOT11_SCAN_TYPE;
372 
373 typedef struct _DOT11_SCAN_REQUEST_V2 {
374 	DOT11_BSS_TYPE dot11BSSType;
375 	DOT11_MAC_ADDRESS dot11BSSID;
376 	DOT11_SCAN_TYPE dot11ScanType;
377 	BOOLEAN bRestrictedScan;
378 	ULONG udot11SSIDsOffset;
379 	ULONG uNumOfdot11SSIDs;
380 	BOOLEAN bUseRequestIE;
381 	ULONG uRequestIDsOffset;
382 	ULONG uNumOfRequestIDs;
383 	ULONG uPhyTypeInfosOffset;
384 	ULONG uNumOfPhyTypeInfos;
385 	ULONG uIEsOffset;
386 	ULONG uIEsLength;
387 	UCHAR ucBuffer[1];
388 } DOT11_SCAN_REQUEST_V2, * PDOT11_SCAN_REQUEST_V2;
389 
390 #endif /* OID_DOT11_CURRENT_OPERATION_MODE */
391 
392 #ifdef CONFIG_USE_NDISUIO
393 #ifndef _WIN32_WCE
394 #ifdef __MINGW32_VERSION
395 typedef ULONG NDIS_OID;
396 #endif /* __MINGW32_VERSION */
397 /* from nuiouser.h */
398 #define FSCTL_NDISUIO_BASE      FILE_DEVICE_NETWORK
399 
400 #define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
401 	CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
402 
403 #define IOCTL_NDISUIO_OPEN_DEVICE \
404 	_NDISUIO_CTL_CODE(0x200, METHOD_BUFFERED, \
405 			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
406 
407 #define IOCTL_NDISUIO_QUERY_OID_VALUE \
408 	_NDISUIO_CTL_CODE(0x201, METHOD_BUFFERED, \
409 			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
410 
411 #define IOCTL_NDISUIO_SET_OID_VALUE \
412 	_NDISUIO_CTL_CODE(0x205, METHOD_BUFFERED, \
413 			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
414 
415 #define IOCTL_NDISUIO_SET_ETHER_TYPE \
416 	_NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
417 			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
418 
419 #define IOCTL_NDISUIO_QUERY_BINDING \
420 	_NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
421 			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
422 
423 #define IOCTL_NDISUIO_BIND_WAIT \
424 	_NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
425 			  FILE_READ_ACCESS | FILE_WRITE_ACCESS)
426 
427 typedef struct _NDISUIO_QUERY_OID
428 {
429     NDIS_OID Oid;
430     UCHAR Data[sizeof(ULONG)];
431 } NDISUIO_QUERY_OID, *PNDISUIO_QUERY_OID;
432 
433 typedef struct _NDISUIO_SET_OID
434 {
435     NDIS_OID Oid;
436     UCHAR Data[sizeof(ULONG)];
437 } NDISUIO_SET_OID, *PNDISUIO_SET_OID;
438 
439 typedef struct _NDISUIO_QUERY_BINDING
440 {
441 	ULONG BindingIndex;
442 	ULONG DeviceNameOffset;
443 	ULONG DeviceNameLength;
444 	ULONG DeviceDescrOffset;
445 	ULONG DeviceDescrLength;
446 } NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
447 #endif /* _WIN32_WCE */
448 #endif /* CONFIG_USE_NDISUIO */
449 
450 
451 static int ndis_get_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
452 			char *data, size_t len)
453 {
454 #ifdef CONFIG_USE_NDISUIO
455 	NDISUIO_QUERY_OID *o;
456 	size_t buflen = sizeof(*o) + len;
457 	DWORD written;
458 	int ret;
459 	size_t hdrlen;
460 
461 	o = os_zalloc(buflen);
462 	if (o == NULL)
463 		return -1;
464 	o->Oid = oid;
465 #ifdef _WIN32_WCE
466 	o->ptcDeviceName = drv->adapter_name;
467 #endif /* _WIN32_WCE */
468 	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_OID_VALUE,
469 			     o, sizeof(NDISUIO_QUERY_OID), o, buflen, &written,
470 			     NULL)) {
471 		wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_QUERY_OID_VALUE "
472 			   "failed (oid=%08x): %d", oid, (int) GetLastError());
473 		os_free(o);
474 		return -1;
475 	}
476 	hdrlen = sizeof(NDISUIO_QUERY_OID) - sizeof(o->Data);
477 	if (written < hdrlen) {
478 		wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d); "
479 			   "too short", oid, (unsigned int) written);
480 		os_free(o);
481 		return -1;
482 	}
483 	written -= hdrlen;
484 	if (written > len) {
485 		wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d) > "
486 			   "len (%d)",oid, (unsigned int) written, len);
487 		os_free(o);
488 		return -1;
489 	}
490 	os_memcpy(data, o->Data, written);
491 	ret = written;
492 	os_free(o);
493 	return ret;
494 #else /* CONFIG_USE_NDISUIO */
495 	char *buf;
496 	PACKET_OID_DATA *o;
497 	int ret;
498 
499 	buf = os_zalloc(sizeof(*o) + len);
500 	if (buf == NULL)
501 		return -1;
502 	o = (PACKET_OID_DATA *) buf;
503 	o->Oid = oid;
504 	o->Length = len;
505 
506 	if (!PacketRequest(drv->adapter, FALSE, o)) {
507 		wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
508 			   __func__, oid, len);
509 		os_free(buf);
510 		return -1;
511 	}
512 	if (o->Length > len) {
513 		wpa_printf(MSG_DEBUG, "%s: oid=0x%x Length (%d) > len (%d)",
514 			   __func__, oid, (unsigned int) o->Length, len);
515 		os_free(buf);
516 		return -1;
517 	}
518 	os_memcpy(data, o->Data, o->Length);
519 	ret = o->Length;
520 	os_free(buf);
521 	return ret;
522 #endif /* CONFIG_USE_NDISUIO */
523 }
524 
525 
526 static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
527 			const char *data, size_t len)
528 {
529 #ifdef CONFIG_USE_NDISUIO
530 	NDISUIO_SET_OID *o;
531 	size_t buflen, reallen;
532 	DWORD written;
533 	char txt[50];
534 
535 	os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
536 	wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
537 
538 	buflen = sizeof(*o) + len;
539 	reallen = buflen - sizeof(o->Data);
540 	o = os_zalloc(buflen);
541 	if (o == NULL)
542 		return -1;
543 	o->Oid = oid;
544 #ifdef _WIN32_WCE
545 	o->ptcDeviceName = drv->adapter_name;
546 #endif /* _WIN32_WCE */
547 	if (data)
548 		os_memcpy(o->Data, data, len);
549 	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_SET_OID_VALUE,
550 			     o, reallen, NULL, 0, &written, NULL)) {
551 		wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_SET_OID_VALUE "
552 			   "(oid=%08x) failed: %d", oid, (int) GetLastError());
553 		os_free(o);
554 		return -1;
555 	}
556 	os_free(o);
557 	return 0;
558 #else /* CONFIG_USE_NDISUIO */
559 	char *buf;
560 	PACKET_OID_DATA *o;
561 	char txt[50];
562 
563 	os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
564 	wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
565 
566 	buf = os_zalloc(sizeof(*o) + len);
567 	if (buf == NULL)
568 		return -1;
569 	o = (PACKET_OID_DATA *) buf;
570 	o->Oid = oid;
571 	o->Length = len;
572 	if (data)
573 		os_memcpy(o->Data, data, len);
574 
575 	if (!PacketRequest(drv->adapter, TRUE, o)) {
576 		wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
577 			   __func__, oid, len);
578 		os_free(buf);
579 		return -1;
580 	}
581 	os_free(buf);
582 	return 0;
583 #endif /* CONFIG_USE_NDISUIO */
584 }
585 
586 
587 static int ndis_set_auth_mode(struct wpa_driver_ndis_data *drv, int mode)
588 {
589 	u32 auth_mode = mode;
590 	if (ndis_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
591 			 (char *) &auth_mode, sizeof(auth_mode)) < 0) {
592 		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
593 			   "OID_802_11_AUTHENTICATION_MODE (%d)",
594 			   (int) auth_mode);
595 		return -1;
596 	}
597 	return 0;
598 }
599 
600 
601 static int ndis_get_auth_mode(struct wpa_driver_ndis_data *drv)
602 {
603 	u32 auth_mode;
604 	int res;
605 	res = ndis_get_oid(drv, OID_802_11_AUTHENTICATION_MODE,
606 			   (char *) &auth_mode, sizeof(auth_mode));
607 	if (res != sizeof(auth_mode)) {
608 		wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
609 			   "OID_802_11_AUTHENTICATION_MODE");
610 		return -1;
611 	}
612 	return auth_mode;
613 }
614 
615 
616 static int ndis_set_encr_status(struct wpa_driver_ndis_data *drv, int encr)
617 {
618 	u32 encr_status = encr;
619 	if (ndis_set_oid(drv, OID_802_11_ENCRYPTION_STATUS,
620 			 (char *) &encr_status, sizeof(encr_status)) < 0) {
621 		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
622 			   "OID_802_11_ENCRYPTION_STATUS (%d)", encr);
623 		return -1;
624 	}
625 	return 0;
626 }
627 
628 
629 static int ndis_get_encr_status(struct wpa_driver_ndis_data *drv)
630 {
631 	u32 encr;
632 	int res;
633 	res = ndis_get_oid(drv, OID_802_11_ENCRYPTION_STATUS,
634 			   (char *) &encr, sizeof(encr));
635 	if (res != sizeof(encr)) {
636 		wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
637 			   "OID_802_11_ENCRYPTION_STATUS");
638 		return -1;
639 	}
640 	return encr;
641 }
642 
643 
644 static int wpa_driver_ndis_get_bssid(void *priv, u8 *bssid)
645 {
646 	struct wpa_driver_ndis_data *drv = priv;
647 
648 	if (drv->wired) {
649 		/*
650 		 * Report PAE group address as the "BSSID" for wired
651 		 * connection.
652 		 */
653 		os_memcpy(bssid, pae_group_addr, ETH_ALEN);
654 		return 0;
655 	}
656 
657 	return ndis_get_oid(drv, OID_802_11_BSSID, (char *) bssid, ETH_ALEN) <
658 		0 ? -1 : 0;
659 }
660 
661 
662 static int wpa_driver_ndis_get_ssid(void *priv, u8 *ssid)
663 {
664 	struct wpa_driver_ndis_data *drv = priv;
665 	NDIS_802_11_SSID buf;
666 	int res;
667 
668 	res = ndis_get_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
669 	if (res < 4) {
670 		wpa_printf(MSG_DEBUG, "NDIS: Failed to get SSID");
671 		if (drv->wired) {
672 			wpa_printf(MSG_DEBUG, "NDIS: Allow get_ssid failure "
673 				   "with a wired interface");
674 			return 0;
675 		}
676 		return -1;
677 	}
678 	os_memcpy(ssid, buf.Ssid, buf.SsidLength);
679 	return buf.SsidLength;
680 }
681 
682 
683 static int wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data *drv,
684 				    const u8 *ssid, size_t ssid_len)
685 {
686 	NDIS_802_11_SSID buf;
687 
688 	os_memset(&buf, 0, sizeof(buf));
689 	buf.SsidLength = ssid_len;
690 	os_memcpy(buf.Ssid, ssid, ssid_len);
691 	/*
692 	 * Make sure radio is marked enabled here so that scan request will not
693 	 * force SSID to be changed to a random one in order to enable radio at
694 	 * that point.
695 	 */
696 	drv->radio_enabled = 1;
697 	return ndis_set_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
698 }
699 
700 
701 /* Disconnect using OID_802_11_DISASSOCIATE. This will also turn the radio off.
702  */
703 static int wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data *drv)
704 {
705 	drv->radio_enabled = 0;
706 	return ndis_set_oid(drv, OID_802_11_DISASSOCIATE, "    ", 4);
707 }
708 
709 
710 /* Disconnect by setting SSID to random (i.e., likely not used). */
711 static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
712 {
713 	char ssid[SSID_MAX_LEN];
714 	int i;
715 	for (i = 0; i < SSID_MAX_LEN; i++)
716 		ssid[i] = rand() & 0xff;
717 	return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, SSID_MAX_LEN);
718 }
719 
720 
721 static int wpa_driver_ndis_deauthenticate(void *priv, const u8 *addr,
722 					  int reason_code)
723 {
724 	struct wpa_driver_ndis_data *drv = priv;
725 	return wpa_driver_ndis_disconnect(drv);
726 }
727 
728 
729 static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
730 {
731 	wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
732 	wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
733 }
734 
735 
736 static int wpa_driver_ndis_scan_native80211(
737 	struct wpa_driver_ndis_data *drv,
738 	struct wpa_driver_scan_params *params)
739 {
740 	DOT11_SCAN_REQUEST_V2 req;
741 	int res;
742 
743 	os_memset(&req, 0, sizeof(req));
744 	req.dot11BSSType = dot11_BSS_type_any;
745 	os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
746 	req.dot11ScanType = dot11_scan_type_auto;
747 	res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
748 			   sizeof(req));
749 	eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
750 	eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
751 			       drv->ctx);
752 	return res;
753 }
754 
755 
756 static int wpa_driver_ndis_scan(void *priv,
757 				struct wpa_driver_scan_params *params)
758 {
759 	struct wpa_driver_ndis_data *drv = priv;
760 	int res;
761 
762 	if (drv->native80211)
763 		return wpa_driver_ndis_scan_native80211(drv, params);
764 
765 	if (!drv->radio_enabled) {
766 		wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
767 			   " scan");
768 		if (wpa_driver_ndis_disconnect(drv) < 0) {
769 			wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
770 		}
771 		drv->radio_enabled = 1;
772 	}
773 
774 	res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, "    ", 4);
775 	eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
776 	eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
777 			       drv->ctx);
778 	return res;
779 }
780 
781 
782 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
783 {
784 	const u8 *end, *pos;
785 
786 	pos = (const u8 *) (res + 1);
787 	end = pos + res->ie_len;
788 
789 	while (pos + 1 < end) {
790 		if (pos + 2 + pos[1] > end)
791 			break;
792 		if (pos[0] == ie)
793 			return pos;
794 		pos += 2 + pos[1];
795 	}
796 
797 	return NULL;
798 }
799 
800 
801 static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
802 	struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
803 {
804 	struct wpa_scan_res *nr;
805 	u8 *pos;
806 
807 	if (wpa_scan_get_ie(r, WLAN_EID_SSID))
808 		return r; /* SSID IE already present */
809 
810 	if (ssid->SsidLength == 0 || ssid->SsidLength > SSID_MAX_LEN)
811 		return r; /* No valid SSID inside scan data */
812 
813 	nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
814 	if (nr == NULL)
815 		return r;
816 
817 	pos = ((u8 *) (nr + 1)) + nr->ie_len;
818 	*pos++ = WLAN_EID_SSID;
819 	*pos++ = ssid->SsidLength;
820 	os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
821 	nr->ie_len += 2 + ssid->SsidLength;
822 
823 	return nr;
824 }
825 
826 
827 static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
828 {
829 	struct wpa_driver_ndis_data *drv = priv;
830 	NDIS_802_11_BSSID_LIST_EX *b;
831 	size_t blen, count, i;
832 	int len;
833 	char *pos;
834 	struct wpa_scan_results *results;
835 	struct wpa_scan_res *r;
836 
837 	blen = 65535;
838 	b = os_zalloc(blen);
839 	if (b == NULL)
840 		return NULL;
841 	len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
842 	if (len < 0) {
843 		wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
844 		os_free(b);
845 		return NULL;
846 	}
847 	count = b->NumberOfItems;
848 
849 	results = os_zalloc(sizeof(*results));
850 	if (results == NULL) {
851 		os_free(b);
852 		return NULL;
853 	}
854 	results->res = os_calloc(count, sizeof(struct wpa_scan_res *));
855 	if (results->res == NULL) {
856 		os_free(results);
857 		os_free(b);
858 		return NULL;
859 	}
860 
861 	pos = (char *) &b->Bssid[0];
862 	for (i = 0; i < count; i++) {
863 		NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
864 		NDIS_802_11_FIXED_IEs *fixed;
865 
866 		if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
867 			wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
868 				   (int) bss->IELength);
869 			break;
870 		}
871 		if (((char *) bss->IEs) + bss->IELength  > (char *) b + blen) {
872 			/*
873 			 * Some NDIS drivers have been reported to include an
874 			 * entry with an invalid IELength in scan results and
875 			 * this has crashed wpa_supplicant, so validate the
876 			 * returned value before using it.
877 			 */
878 			wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
879 				   "result IE (BSSID=" MACSTR ") IELength=%d",
880 				   MAC2STR(bss->MacAddress),
881 				   (int) bss->IELength);
882 			break;
883 		}
884 
885 		r = os_zalloc(sizeof(*r) + bss->IELength -
886 			      sizeof(NDIS_802_11_FIXED_IEs));
887 		if (r == NULL)
888 			break;
889 
890 		os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
891 		r->level = (int) bss->Rssi;
892 		r->freq = bss->Configuration.DSConfig / 1000;
893 		fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
894 		r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
895 		r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
896 		r->tsf = WPA_GET_LE64(fixed->Timestamp);
897 		os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
898 			  bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
899 		r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
900 		r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
901 
902 		results->res[results->num++] = r;
903 
904 		pos += bss->Length;
905 		if (pos > (char *) b + blen)
906 			break;
907 	}
908 
909 	os_free(b);
910 
911 	return results;
912 }
913 
914 
915 static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
916 				      int key_idx, const u8 *addr,
917 				      const u8 *bssid, int pairwise)
918 {
919 	NDIS_802_11_REMOVE_KEY rkey;
920 	NDIS_802_11_KEY_INDEX index;
921 	int res, res2;
922 
923 	os_memset(&rkey, 0, sizeof(rkey));
924 
925 	rkey.Length = sizeof(rkey);
926 	rkey.KeyIndex = key_idx;
927 	if (pairwise)
928 		rkey.KeyIndex |= 1 << 30;
929 	os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
930 
931 	res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
932 			   sizeof(rkey));
933 	if (!pairwise) {
934 		index = key_idx;
935 		res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
936 				    (char *) &index, sizeof(index));
937 	} else
938 		res2 = 0;
939 
940 	if (res < 0 && res2 < 0)
941 		return -1;
942 	return 0;
943 }
944 
945 
946 static int wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data *drv,
947 				   int pairwise, int key_idx, int set_tx,
948 				   const u8 *key, size_t key_len)
949 {
950 	NDIS_802_11_WEP *wep;
951 	size_t len;
952 	int res;
953 
954 	len = 12 + key_len;
955 	wep = os_zalloc(len);
956 	if (wep == NULL)
957 		return -1;
958 	wep->Length = len;
959 	wep->KeyIndex = key_idx;
960 	if (set_tx)
961 		wep->KeyIndex |= 1 << 31;
962 #if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
963 	if (pairwise)
964 		wep->KeyIndex |= 1 << 30;
965 #endif
966 	wep->KeyLength = key_len;
967 	os_memcpy(wep->KeyMaterial, key, key_len);
968 
969 	wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
970 			(u8 *) wep, len);
971 	res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
972 
973 	os_free(wep);
974 
975 	return res;
976 }
977 
978 
979 static int wpa_driver_ndis_set_key(const char *ifname, void *priv,
980 				   enum wpa_alg alg, const u8 *addr,
981 				   int key_idx, int set_tx,
982 				   const u8 *seq, size_t seq_len,
983 				   const u8 *key, size_t key_len)
984 {
985 	struct wpa_driver_ndis_data *drv = priv;
986 	size_t len, i;
987 	NDIS_802_11_KEY *nkey;
988 	int res, pairwise;
989 	u8 bssid[ETH_ALEN];
990 
991 	if (addr == NULL || is_broadcast_ether_addr(addr)) {
992 		/* Group Key */
993 		pairwise = 0;
994 		if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
995 			os_memset(bssid, 0xff, ETH_ALEN);
996 	} else {
997 		/* Pairwise Key */
998 		pairwise = 1;
999 		os_memcpy(bssid, addr, ETH_ALEN);
1000 	}
1001 
1002 	if (alg == WPA_ALG_NONE || key_len == 0) {
1003 		return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
1004 						  pairwise);
1005 	}
1006 
1007 	if (alg == WPA_ALG_WEP) {
1008 		return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
1009 					       key, key_len);
1010 	}
1011 
1012 	len = 12 + 6 + 6 + 8 + key_len;
1013 
1014 	nkey = os_zalloc(len);
1015 	if (nkey == NULL)
1016 		return -1;
1017 
1018 	nkey->Length = len;
1019 	nkey->KeyIndex = key_idx;
1020 	if (set_tx)
1021 		nkey->KeyIndex |= 1 << 31;
1022 	if (pairwise)
1023 		nkey->KeyIndex |= 1 << 30;
1024 	if (seq && seq_len)
1025 		nkey->KeyIndex |= 1 << 29;
1026 	nkey->KeyLength = key_len;
1027 	os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
1028 	if (seq && seq_len) {
1029 		for (i = 0; i < seq_len; i++)
1030 			nkey->KeyRSC |= (ULONGLONG) seq[i] << (i * 8);
1031 	}
1032 	if (alg == WPA_ALG_TKIP && key_len == 32) {
1033 		os_memcpy(nkey->KeyMaterial, key, 16);
1034 		os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
1035 		os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
1036 	} else {
1037 		os_memcpy(nkey->KeyMaterial, key, key_len);
1038 	}
1039 
1040 	wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_KEY",
1041 			(u8 *) nkey, len);
1042 	res = ndis_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
1043 	os_free(nkey);
1044 
1045 	return res;
1046 }
1047 
1048 
1049 static int
1050 wpa_driver_ndis_associate(void *priv,
1051 			  struct wpa_driver_associate_params *params)
1052 {
1053 	struct wpa_driver_ndis_data *drv = priv;
1054 	u32 auth_mode, encr, priv_mode, mode;
1055 	u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1056 
1057 	drv->mode = params->mode;
1058 
1059 	/* Note: Setting OID_802_11_INFRASTRUCTURE_MODE clears current keys,
1060 	 * so static WEP keys needs to be set again after this. */
1061 	if (params->mode == IEEE80211_MODE_IBSS) {
1062 		mode = Ndis802_11IBSS;
1063 		/* Need to make sure that BSSID polling is enabled for
1064 		 * IBSS mode. */
1065 		eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1066 		eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1067 				       drv, NULL);
1068 	} else
1069 		mode = Ndis802_11Infrastructure;
1070 	if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
1071 			 (char *) &mode, sizeof(mode)) < 0) {
1072 		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1073 			   "OID_802_11_INFRASTRUCTURE_MODE (%d)",
1074 			   (int) mode);
1075 		/* Try to continue anyway */
1076 	}
1077 
1078 	if (params->key_mgmt_suite == WPA_KEY_MGMT_NONE ||
1079 	    params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1080 		/* Re-set WEP keys if static WEP configuration is used. */
1081 		int i;
1082 		for (i = 0; i < 4; i++) {
1083 			if (!params->wep_key[i])
1084 				continue;
1085 			wpa_printf(MSG_DEBUG, "NDIS: Re-setting static WEP "
1086 				   "key %d", i);
1087 			wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
1088 						bcast, i,
1089 						i == params->wep_tx_keyidx,
1090 						NULL, 0, params->wep_key[i],
1091 						params->wep_key_len[i]);
1092 		}
1093 	}
1094 
1095 	if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
1096 		if (params->auth_alg & WPA_AUTH_ALG_SHARED) {
1097 			if (params->auth_alg & WPA_AUTH_ALG_OPEN)
1098 				auth_mode = Ndis802_11AuthModeAutoSwitch;
1099 			else
1100 				auth_mode = Ndis802_11AuthModeShared;
1101 		} else
1102 			auth_mode = Ndis802_11AuthModeOpen;
1103 		priv_mode = Ndis802_11PrivFilterAcceptAll;
1104 	} else if (params->wpa_ie[0] == WLAN_EID_RSN) {
1105 		priv_mode = Ndis802_11PrivFilter8021xWEP;
1106 		if (params->key_mgmt_suite == WPA_KEY_MGMT_PSK)
1107 			auth_mode = Ndis802_11AuthModeWPA2PSK;
1108 		else
1109 			auth_mode = Ndis802_11AuthModeWPA2;
1110 #ifdef CONFIG_WPS
1111 	} else if (params->key_mgmt_suite == WPA_KEY_MGMT_WPS) {
1112 		auth_mode = Ndis802_11AuthModeOpen;
1113 		priv_mode = Ndis802_11PrivFilterAcceptAll;
1114 		if (params->wps == WPS_MODE_PRIVACY) {
1115 			u8 dummy_key[5] = { 0x11, 0x22, 0x33, 0x44, 0x55 };
1116 			/*
1117 			 * Some NDIS drivers refuse to associate in open mode
1118 			 * configuration due to Privacy field mismatch, so use
1119 			 * a workaround to make the configuration look like
1120 			 * matching one for WPS provisioning.
1121 			 */
1122 			wpa_printf(MSG_DEBUG, "NDIS: Set dummy WEP key as a "
1123 				   "workaround to allow driver to associate "
1124 				   "for WPS");
1125 			wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
1126 						bcast, 0, 1,
1127 						NULL, 0, dummy_key,
1128 						sizeof(dummy_key));
1129 		}
1130 #endif /* CONFIG_WPS */
1131 	} else {
1132 		priv_mode = Ndis802_11PrivFilter8021xWEP;
1133 		if (params->key_mgmt_suite == WPA_KEY_MGMT_WPA_NONE)
1134 			auth_mode = Ndis802_11AuthModeWPANone;
1135 		else if (params->key_mgmt_suite == WPA_KEY_MGMT_PSK)
1136 			auth_mode = Ndis802_11AuthModeWPAPSK;
1137 		else
1138 			auth_mode = Ndis802_11AuthModeWPA;
1139 	}
1140 
1141 	switch (params->pairwise_suite) {
1142 	case WPA_CIPHER_CCMP:
1143 		encr = Ndis802_11Encryption3Enabled;
1144 		break;
1145 	case WPA_CIPHER_TKIP:
1146 		encr = Ndis802_11Encryption2Enabled;
1147 		break;
1148 	case WPA_CIPHER_WEP40:
1149 	case WPA_CIPHER_WEP104:
1150 		encr = Ndis802_11Encryption1Enabled;
1151 		break;
1152 	case WPA_CIPHER_NONE:
1153 #ifdef CONFIG_WPS
1154 		if (params->wps == WPS_MODE_PRIVACY) {
1155 			encr = Ndis802_11Encryption1Enabled;
1156 			break;
1157 		}
1158 #endif /* CONFIG_WPS */
1159 		if (params->group_suite == WPA_CIPHER_CCMP)
1160 			encr = Ndis802_11Encryption3Enabled;
1161 		else if (params->group_suite == WPA_CIPHER_TKIP)
1162 			encr = Ndis802_11Encryption2Enabled;
1163 		else
1164 			encr = Ndis802_11EncryptionDisabled;
1165 		break;
1166 	default:
1167 #ifdef CONFIG_WPS
1168 		if (params->wps == WPS_MODE_PRIVACY) {
1169 			encr = Ndis802_11Encryption1Enabled;
1170 			break;
1171 		}
1172 #endif /* CONFIG_WPS */
1173 		encr = Ndis802_11EncryptionDisabled;
1174 		break;
1175 	};
1176 
1177 	if (ndis_set_oid(drv, OID_802_11_PRIVACY_FILTER,
1178 			 (char *) &priv_mode, sizeof(priv_mode)) < 0) {
1179 		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1180 			   "OID_802_11_PRIVACY_FILTER (%d)",
1181 			   (int) priv_mode);
1182 		/* Try to continue anyway */
1183 	}
1184 
1185 	ndis_set_auth_mode(drv, auth_mode);
1186 	ndis_set_encr_status(drv, encr);
1187 
1188 	if (params->bssid) {
1189 		ndis_set_oid(drv, OID_802_11_BSSID, (char *) params->bssid,
1190 			     ETH_ALEN);
1191 		drv->oid_bssid_set = 1;
1192 	} else if (drv->oid_bssid_set) {
1193 		ndis_set_oid(drv, OID_802_11_BSSID, "\xff\xff\xff\xff\xff\xff",
1194 			     ETH_ALEN);
1195 		drv->oid_bssid_set = 0;
1196 	}
1197 
1198 	return wpa_driver_ndis_set_ssid(drv, params->ssid, params->ssid_len);
1199 }
1200 
1201 
1202 static int wpa_driver_ndis_set_pmkid(struct wpa_driver_ndis_data *drv)
1203 {
1204 	int len, count, i, ret;
1205 	struct ndis_pmkid_entry *entry;
1206 	NDIS_802_11_PMKID *p;
1207 
1208 	count = 0;
1209 	entry = drv->pmkid;
1210 	while (entry) {
1211 		count++;
1212 		if (count >= drv->no_of_pmkid)
1213 			break;
1214 		entry = entry->next;
1215 	}
1216 	len = 8 + count * sizeof(BSSID_INFO);
1217 	p = os_zalloc(len);
1218 	if (p == NULL)
1219 		return -1;
1220 
1221 	p->Length = len;
1222 	p->BSSIDInfoCount = count;
1223 	entry = drv->pmkid;
1224 	for (i = 0; i < count; i++) {
1225 		os_memcpy(&p->BSSIDInfo[i].BSSID, entry->bssid, ETH_ALEN);
1226 		os_memcpy(&p->BSSIDInfo[i].PMKID, entry->pmkid, 16);
1227 		entry = entry->next;
1228 	}
1229 	wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID", (u8 *) p, len);
1230 	ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) p, len);
1231 	os_free(p);
1232 	return ret;
1233 }
1234 
1235 
1236 static int wpa_driver_ndis_add_pmkid(void *priv, const u8 *bssid,
1237 				     const u8 *pmkid)
1238 {
1239 	struct wpa_driver_ndis_data *drv = priv;
1240 	struct ndis_pmkid_entry *entry, *prev;
1241 
1242 	if (drv->no_of_pmkid == 0)
1243 		return 0;
1244 
1245 	prev = NULL;
1246 	entry = drv->pmkid;
1247 	while (entry) {
1248 		if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0)
1249 			break;
1250 		prev = entry;
1251 		entry = entry->next;
1252 	}
1253 
1254 	if (entry) {
1255 		/* Replace existing entry for this BSSID and move it into the
1256 		 * beginning of the list. */
1257 		os_memcpy(entry->pmkid, pmkid, 16);
1258 		if (prev) {
1259 			prev->next = entry->next;
1260 			entry->next = drv->pmkid;
1261 			drv->pmkid = entry;
1262 		}
1263 	} else {
1264 		entry = os_malloc(sizeof(*entry));
1265 		if (entry) {
1266 			os_memcpy(entry->bssid, bssid, ETH_ALEN);
1267 			os_memcpy(entry->pmkid, pmkid, 16);
1268 			entry->next = drv->pmkid;
1269 			drv->pmkid = entry;
1270 		}
1271 	}
1272 
1273 	return wpa_driver_ndis_set_pmkid(drv);
1274 }
1275 
1276 
1277 static int wpa_driver_ndis_remove_pmkid(void *priv, const u8 *bssid,
1278 		 			const u8 *pmkid)
1279 {
1280 	struct wpa_driver_ndis_data *drv = priv;
1281 	struct ndis_pmkid_entry *entry, *prev;
1282 
1283 	if (drv->no_of_pmkid == 0)
1284 		return 0;
1285 
1286 	entry = drv->pmkid;
1287 	prev = NULL;
1288 	while (entry) {
1289 		if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0 &&
1290 		    os_memcmp(entry->pmkid, pmkid, 16) == 0) {
1291 			if (prev)
1292 				prev->next = entry->next;
1293 			else
1294 				drv->pmkid = entry->next;
1295 			os_free(entry);
1296 			break;
1297 		}
1298 		prev = entry;
1299 		entry = entry->next;
1300 	}
1301 	return wpa_driver_ndis_set_pmkid(drv);
1302 }
1303 
1304 
1305 static int wpa_driver_ndis_flush_pmkid(void *priv)
1306 {
1307 	struct wpa_driver_ndis_data *drv = priv;
1308 	NDIS_802_11_PMKID p;
1309 	struct ndis_pmkid_entry *pmkid, *prev;
1310 	int prev_authmode, ret;
1311 
1312 	if (drv->no_of_pmkid == 0)
1313 		return 0;
1314 
1315 	pmkid = drv->pmkid;
1316 	drv->pmkid = NULL;
1317 	while (pmkid) {
1318 		prev = pmkid;
1319 		pmkid = pmkid->next;
1320 		os_free(prev);
1321 	}
1322 
1323 	/*
1324 	 * Some drivers may refuse OID_802_11_PMKID if authMode is not set to
1325 	 * WPA2, so change authMode temporarily, if needed.
1326 	 */
1327 	prev_authmode = ndis_get_auth_mode(drv);
1328 	if (prev_authmode != Ndis802_11AuthModeWPA2)
1329 		ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA2);
1330 
1331 	os_memset(&p, 0, sizeof(p));
1332 	p.Length = 8;
1333 	p.BSSIDInfoCount = 0;
1334 	wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
1335 		    (u8 *) &p, 8);
1336 	ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
1337 
1338 	if (prev_authmode != Ndis802_11AuthModeWPA2)
1339 		ndis_set_auth_mode(drv, prev_authmode);
1340 
1341 	return ret;
1342 }
1343 
1344 
1345 static int wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data *drv)
1346 {
1347 	char buf[512], *pos;
1348 	NDIS_802_11_ASSOCIATION_INFORMATION *ai;
1349 	int len;
1350 	union wpa_event_data data;
1351 	NDIS_802_11_BSSID_LIST_EX *b;
1352 	size_t blen, i;
1353 
1354 	len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION, buf,
1355 			   sizeof(buf));
1356 	if (len < 0) {
1357 		wpa_printf(MSG_DEBUG, "NDIS: failed to get association "
1358 			   "information");
1359 		return -1;
1360 	}
1361 	if (len > sizeof(buf)) {
1362 		/* Some drivers seem to be producing incorrect length for this
1363 		 * data. Limit the length to the current buffer size to avoid
1364 		 * crashing in hexdump. The data seems to be otherwise valid,
1365 		 * so better try to use it. */
1366 		wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association "
1367 			   "information length %d", len);
1368 		len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION,
1369 				   buf, sizeof(buf));
1370 		if (len < -1) {
1371 			wpa_printf(MSG_DEBUG, "NDIS: re-reading association "
1372 				   "information failed");
1373 			return -1;
1374 		}
1375 		if (len > sizeof(buf)) {
1376 			wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association"
1377 				   " information length %d (re-read)", len);
1378 			len = sizeof(buf);
1379 		}
1380 	}
1381 	wpa_hexdump(MSG_MSGDUMP, "NDIS: association information",
1382 		    (u8 *) buf, len);
1383 	if (len < sizeof(*ai)) {
1384 		wpa_printf(MSG_DEBUG, "NDIS: too short association "
1385 			   "information");
1386 		return -1;
1387 	}
1388 	ai = (NDIS_802_11_ASSOCIATION_INFORMATION *) buf;
1389 	wpa_printf(MSG_DEBUG, "NDIS: ReqFixed=0x%x RespFixed=0x%x off_req=%d "
1390 		   "off_resp=%d len_req=%d len_resp=%d",
1391 		   ai->AvailableRequestFixedIEs, ai->AvailableResponseFixedIEs,
1392 		   (int) ai->OffsetRequestIEs, (int) ai->OffsetResponseIEs,
1393 		   (int) ai->RequestIELength, (int) ai->ResponseIELength);
1394 
1395 	if (ai->OffsetRequestIEs + ai->RequestIELength > (unsigned) len ||
1396 	    ai->OffsetResponseIEs + ai->ResponseIELength > (unsigned) len) {
1397 		wpa_printf(MSG_DEBUG, "NDIS: association information - "
1398 			   "IE overflow");
1399 		return -1;
1400 	}
1401 
1402 	wpa_hexdump(MSG_MSGDUMP, "NDIS: Request IEs",
1403 		    (u8 *) buf + ai->OffsetRequestIEs, ai->RequestIELength);
1404 	wpa_hexdump(MSG_MSGDUMP, "NDIS: Response IEs",
1405 		    (u8 *) buf + ai->OffsetResponseIEs, ai->ResponseIELength);
1406 
1407 	os_memset(&data, 0, sizeof(data));
1408 	data.assoc_info.req_ies = (u8 *) buf + ai->OffsetRequestIEs;
1409 	data.assoc_info.req_ies_len = ai->RequestIELength;
1410 	data.assoc_info.resp_ies = (u8 *) buf + ai->OffsetResponseIEs;
1411 	data.assoc_info.resp_ies_len = ai->ResponseIELength;
1412 
1413 	blen = 65535;
1414 	b = os_zalloc(blen);
1415 	if (b == NULL)
1416 		goto skip_scan_results;
1417 	len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
1418 	if (len < 0) {
1419 		wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
1420 		os_free(b);
1421 		b = NULL;
1422 		goto skip_scan_results;
1423 	}
1424 	wpa_printf(MSG_DEBUG, "NDIS: %d BSSID items to process for AssocInfo",
1425 		   (unsigned int) b->NumberOfItems);
1426 
1427 	pos = (char *) &b->Bssid[0];
1428 	for (i = 0; i < b->NumberOfItems; i++) {
1429 		NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
1430 		if (os_memcmp(drv->bssid, bss->MacAddress, ETH_ALEN) == 0 &&
1431 		    bss->IELength > sizeof(NDIS_802_11_FIXED_IEs)) {
1432 			data.assoc_info.beacon_ies =
1433 				((u8 *) bss->IEs) +
1434 				sizeof(NDIS_802_11_FIXED_IEs);
1435 			data.assoc_info.beacon_ies_len =
1436 				bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
1437 			wpa_hexdump(MSG_MSGDUMP, "NDIS: Beacon IEs",
1438 				    data.assoc_info.beacon_ies,
1439 				    data.assoc_info.beacon_ies_len);
1440 			break;
1441 		}
1442 		pos += bss->Length;
1443 		if (pos > (char *) b + blen)
1444 			break;
1445 	}
1446 
1447 skip_scan_results:
1448 	wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
1449 
1450 	os_free(b);
1451 
1452 	return 0;
1453 }
1454 
1455 
1456 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx)
1457 {
1458 	struct wpa_driver_ndis_data *drv = eloop_ctx;
1459 	u8 bssid[ETH_ALEN];
1460 	int poll;
1461 
1462 	if (drv->wired)
1463 		return;
1464 
1465 	if (wpa_driver_ndis_get_bssid(drv, bssid)) {
1466 		/* Disconnected */
1467 		if (!is_zero_ether_addr(drv->bssid)) {
1468 			os_memset(drv->bssid, 0, ETH_ALEN);
1469 			wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1470 		}
1471 	} else {
1472 		/* Connected */
1473 		if (os_memcmp(drv->bssid, bssid, ETH_ALEN) != 0) {
1474 			os_memcpy(drv->bssid, bssid, ETH_ALEN);
1475 			wpa_driver_ndis_get_associnfo(drv);
1476 			wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1477 		}
1478 	}
1479 
1480 	/* When using integrated NDIS event receiver, we can skip BSSID
1481 	 * polling when using infrastructure network. However, when using
1482 	 * IBSS mode, many driver do not seem to generate connection event,
1483 	 * so we need to enable BSSID polling to figure out when IBSS network
1484 	 * has been formed.
1485 	 */
1486 	poll = drv->mode == IEEE80211_MODE_IBSS;
1487 #ifndef CONFIG_NDIS_EVENTS_INTEGRATED
1488 #ifndef _WIN32_WCE
1489 	poll = 1;
1490 #endif /* _WIN32_WCE */
1491 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
1492 
1493 	if (poll) {
1494 		eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1495 					drv, NULL);
1496 	}
1497 }
1498 
1499 
1500 static void wpa_driver_ndis_poll(void *priv)
1501 {
1502 	struct wpa_driver_ndis_data *drv = priv;
1503 	eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1504 	wpa_driver_ndis_poll_timeout(drv, NULL);
1505 }
1506 
1507 
1508 /* Called when driver generates Media Connect Event by calling
1509  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_CONNECT */
1510 void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv)
1511 {
1512 	wpa_printf(MSG_DEBUG, "NDIS: Media Connect Event");
1513 	if (wpa_driver_ndis_get_bssid(drv, drv->bssid) == 0) {
1514 		wpa_driver_ndis_get_associnfo(drv);
1515 		wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1516 	}
1517 }
1518 
1519 
1520 /* Called when driver generates Media Disconnect Event by calling
1521  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_DISCONNECT */
1522 void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv)
1523 {
1524 	wpa_printf(MSG_DEBUG, "NDIS: Media Disconnect Event");
1525 	os_memset(drv->bssid, 0, ETH_ALEN);
1526 	wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1527 }
1528 
1529 
1530 static void wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data *drv,
1531 				       const u8 *data, size_t data_len)
1532 {
1533 	NDIS_802_11_AUTHENTICATION_REQUEST *req;
1534 	int pairwise = 0, group = 0;
1535 	union wpa_event_data event;
1536 
1537 	if (data_len < sizeof(*req)) {
1538 		wpa_printf(MSG_DEBUG, "NDIS: Too short Authentication Request "
1539 			   "Event (len=%d)", data_len);
1540 		return;
1541 	}
1542 	req = (NDIS_802_11_AUTHENTICATION_REQUEST *) data;
1543 
1544 	wpa_printf(MSG_DEBUG, "NDIS: Authentication Request Event: "
1545 		   "Bssid " MACSTR " Flags 0x%x",
1546 		   MAC2STR(req->Bssid), (int) req->Flags);
1547 
1548 	if ((req->Flags & NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR) ==
1549 	    NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR)
1550 		pairwise = 1;
1551 	else if ((req->Flags & NDIS_802_11_AUTH_REQUEST_GROUP_ERROR) ==
1552 	    NDIS_802_11_AUTH_REQUEST_GROUP_ERROR)
1553 		group = 1;
1554 
1555 	if (pairwise || group) {
1556 		os_memset(&event, 0, sizeof(event));
1557 		event.michael_mic_failure.unicast = pairwise;
1558 		wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE,
1559 				     &event);
1560 	}
1561 }
1562 
1563 
1564 static void wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data *drv,
1565 					const u8 *data, size_t data_len)
1566 {
1567 	NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
1568 	size_t i;
1569 	union wpa_event_data event;
1570 
1571 	if (data_len < 8) {
1572 		wpa_printf(MSG_DEBUG, "NDIS: Too short PMKID Candidate List "
1573 			   "Event (len=%d)", data_len);
1574 		return;
1575 	}
1576 	pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
1577 	wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List Event - Version %d "
1578 		   "NumCandidates %d",
1579 		   (int) pmkid->Version, (int) pmkid->NumCandidates);
1580 
1581 	if (pmkid->Version != 1) {
1582 		wpa_printf(MSG_DEBUG, "NDIS: Unsupported PMKID Candidate List "
1583 			   "Version %d", (int) pmkid->Version);
1584 		return;
1585 	}
1586 
1587 	if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
1588 		wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List underflow");
1589 		return;
1590 	}
1591 
1592 	os_memset(&event, 0, sizeof(event));
1593 	for (i = 0; i < pmkid->NumCandidates; i++) {
1594 		PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
1595 		wpa_printf(MSG_DEBUG, "NDIS: %d: " MACSTR " Flags 0x%x",
1596 			   i, MAC2STR(p->BSSID), (int) p->Flags);
1597 		os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
1598 		event.pmkid_candidate.index = i;
1599 		event.pmkid_candidate.preauth =
1600 			p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
1601 		wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
1602 				     &event);
1603 	}
1604 }
1605 
1606 
1607 /* Called when driver calls NdisMIndicateStatus() with
1608  * NDIS_STATUS_MEDIA_SPECIFIC_INDICATION */
1609 void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
1610 					  const u8 *data, size_t data_len)
1611 {
1612 	NDIS_802_11_STATUS_INDICATION *status;
1613 
1614 	if (data == NULL || data_len < sizeof(*status))
1615 		return;
1616 
1617 	wpa_hexdump(MSG_DEBUG, "NDIS: Media Specific Indication",
1618 		    data, data_len);
1619 
1620 	status = (NDIS_802_11_STATUS_INDICATION *) data;
1621 	data += sizeof(status);
1622 	data_len -= sizeof(status);
1623 
1624 	switch (status->StatusType) {
1625 	case Ndis802_11StatusType_Authentication:
1626 		wpa_driver_ndis_event_auth(drv, data, data_len);
1627 		break;
1628 	case Ndis802_11StatusType_PMKID_CandidateList:
1629 		wpa_driver_ndis_event_pmkid(drv, data, data_len);
1630 		break;
1631 	default:
1632 		wpa_printf(MSG_DEBUG, "NDIS: Unknown StatusType %d",
1633 			   (int) status->StatusType);
1634 		break;
1635 	}
1636 }
1637 
1638 
1639 /* Called when an adapter is added */
1640 void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv)
1641 {
1642 	union wpa_event_data event;
1643 	int i;
1644 
1645 	wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Arrival");
1646 
1647 	for (i = 0; i < 30; i++) {
1648 		/* Re-open Packet32/NDISUIO connection */
1649 		wpa_driver_ndis_adapter_close(drv);
1650 		if (wpa_driver_ndis_adapter_init(drv) < 0 ||
1651 		    wpa_driver_ndis_adapter_open(drv) < 0) {
1652 			wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialization "
1653 				   "(%d) failed", i);
1654 			os_sleep(1, 0);
1655 		} else {
1656 			wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialized");
1657 			break;
1658 		}
1659 	}
1660 
1661 	os_memset(&event, 0, sizeof(event));
1662 	os_strlcpy(event.interface_status.ifname, drv->ifname,
1663 		   sizeof(event.interface_status.ifname));
1664 	event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1665 	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1666 }
1667 
1668 
1669 /* Called when an adapter is removed */
1670 void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv)
1671 {
1672 	union wpa_event_data event;
1673 
1674 	wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Removal");
1675 	os_memset(&event, 0, sizeof(event));
1676 	os_strlcpy(event.interface_status.ifname, drv->ifname,
1677 		   sizeof(event.interface_status.ifname));
1678 	event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1679 	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1680 }
1681 
1682 
1683 static void
1684 wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data *drv)
1685 {
1686 	wpa_printf(MSG_DEBUG, "NDIS: verifying driver WPA capability");
1687 
1688 	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA) == 0 &&
1689 	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPA) {
1690 		wpa_printf(MSG_DEBUG, "NDIS: WPA key management supported");
1691 		drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1692 	}
1693 
1694 	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPAPSK) == 0 &&
1695 	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPAPSK) {
1696 		wpa_printf(MSG_DEBUG, "NDIS: WPA-PSK key management "
1697 			   "supported");
1698 		drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1699 	}
1700 
1701 	if (ndis_set_encr_status(drv, Ndis802_11Encryption3Enabled) == 0 &&
1702 	    ndis_get_encr_status(drv) == Ndis802_11Encryption3KeyAbsent) {
1703 		wpa_printf(MSG_DEBUG, "NDIS: CCMP encryption supported");
1704 		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1705 	}
1706 
1707 	if (ndis_set_encr_status(drv, Ndis802_11Encryption2Enabled) == 0 &&
1708 	    ndis_get_encr_status(drv) == Ndis802_11Encryption2KeyAbsent) {
1709 		wpa_printf(MSG_DEBUG, "NDIS: TKIP encryption supported");
1710 		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1711 	}
1712 
1713 	if (ndis_set_encr_status(drv, Ndis802_11Encryption1Enabled) == 0 &&
1714 	    ndis_get_encr_status(drv) == Ndis802_11Encryption1KeyAbsent) {
1715 		wpa_printf(MSG_DEBUG, "NDIS: WEP encryption supported");
1716 		drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1717 			WPA_DRIVER_CAPA_ENC_WEP104;
1718 	}
1719 
1720 	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeShared) == 0 &&
1721 	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeShared) {
1722 		drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1723 	}
1724 
1725 	if (ndis_set_auth_mode(drv, Ndis802_11AuthModeOpen) == 0 &&
1726 	    ndis_get_auth_mode(drv) == Ndis802_11AuthModeOpen) {
1727 		drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1728 	}
1729 
1730 	ndis_set_encr_status(drv, Ndis802_11EncryptionDisabled);
1731 
1732 	/* Could also verify OID_802_11_ADD_KEY error reporting and
1733 	 * support for OID_802_11_ASSOCIATION_INFORMATION. */
1734 
1735 	if (drv->capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA &&
1736 	    drv->capa.enc & (WPA_DRIVER_CAPA_ENC_TKIP |
1737 			     WPA_DRIVER_CAPA_ENC_CCMP)) {
1738 		wpa_printf(MSG_DEBUG, "NDIS: driver supports WPA");
1739 		drv->has_capability = 1;
1740 	} else {
1741 		wpa_printf(MSG_DEBUG, "NDIS: no WPA support found");
1742 	}
1743 
1744 	wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1745 		   "enc 0x%x auth 0x%x",
1746 		   drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1747 }
1748 
1749 
1750 static void wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data *drv)
1751 {
1752 	char buf[512];
1753 	int len;
1754 	size_t i;
1755 	NDIS_802_11_CAPABILITY *c;
1756 
1757 	drv->capa.flags = WPA_DRIVER_FLAGS_DRIVER_IE;
1758 
1759 	len = ndis_get_oid(drv, OID_802_11_CAPABILITY, buf, sizeof(buf));
1760 	if (len < 0) {
1761 		wpa_driver_ndis_get_wpa_capability(drv);
1762 		return;
1763 	}
1764 
1765 	wpa_hexdump(MSG_MSGDUMP, "OID_802_11_CAPABILITY", (u8 *) buf, len);
1766 	c = (NDIS_802_11_CAPABILITY *) buf;
1767 	if (len < sizeof(*c) || c->Version != 2) {
1768 		wpa_printf(MSG_DEBUG, "NDIS: unsupported "
1769 			   "OID_802_11_CAPABILITY data");
1770 		return;
1771 	}
1772 	wpa_printf(MSG_DEBUG, "NDIS: Driver supports OID_802_11_CAPABILITY - "
1773 		   "NoOfPMKIDs %d NoOfAuthEncrPairs %d",
1774 		   (int) c->NoOfPMKIDs,
1775 		   (int) c->NoOfAuthEncryptPairsSupported);
1776 	drv->has_capability = 1;
1777 	drv->no_of_pmkid = c->NoOfPMKIDs;
1778 	for (i = 0; i < c->NoOfAuthEncryptPairsSupported; i++) {
1779 		NDIS_802_11_AUTHENTICATION_ENCRYPTION *ae;
1780 		ae = &c->AuthenticationEncryptionSupported[i];
1781 		if ((char *) (ae + 1) > buf + len) {
1782 			wpa_printf(MSG_DEBUG, "NDIS: auth/encr pair list "
1783 				   "overflow");
1784 			break;
1785 		}
1786 		wpa_printf(MSG_MSGDUMP, "NDIS: %d - auth %d encr %d",
1787 			   i, (int) ae->AuthModeSupported,
1788 			   (int) ae->EncryptStatusSupported);
1789 		switch (ae->AuthModeSupported) {
1790 		case Ndis802_11AuthModeOpen:
1791 			drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1792 			break;
1793 		case Ndis802_11AuthModeShared:
1794 			drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1795 			break;
1796 		case Ndis802_11AuthModeWPA:
1797 			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1798 			break;
1799 		case Ndis802_11AuthModeWPAPSK:
1800 			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1801 			break;
1802 		case Ndis802_11AuthModeWPA2:
1803 			drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
1804 			break;
1805 		case Ndis802_11AuthModeWPA2PSK:
1806 			drv->capa.key_mgmt |=
1807 				WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1808 			break;
1809 		case Ndis802_11AuthModeWPANone:
1810 			drv->capa.key_mgmt |=
1811 				WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
1812 			break;
1813 		default:
1814 			break;
1815 		}
1816 		switch (ae->EncryptStatusSupported) {
1817 		case Ndis802_11Encryption1Enabled:
1818 			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40;
1819 			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP104;
1820 			break;
1821 		case Ndis802_11Encryption2Enabled:
1822 			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1823 			break;
1824 		case Ndis802_11Encryption3Enabled:
1825 			drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1826 			break;
1827 		default:
1828 			break;
1829 		}
1830 	}
1831 
1832 	wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1833 		   "enc 0x%x auth 0x%x",
1834 		   drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1835 }
1836 
1837 
1838 static int wpa_driver_ndis_get_capa(void *priv, struct wpa_driver_capa *capa)
1839 {
1840 	struct wpa_driver_ndis_data *drv = priv;
1841 	if (!drv->has_capability)
1842 		return -1;
1843 	os_memcpy(capa, &drv->capa, sizeof(*capa));
1844 	return 0;
1845 }
1846 
1847 
1848 static const char * wpa_driver_ndis_get_ifname(void *priv)
1849 {
1850 	struct wpa_driver_ndis_data *drv = priv;
1851 	return drv->ifname;
1852 }
1853 
1854 
1855 static const u8 * wpa_driver_ndis_get_mac_addr(void *priv)
1856 {
1857 	struct wpa_driver_ndis_data *drv = priv;
1858 	return drv->own_addr;
1859 }
1860 
1861 
1862 #ifdef _WIN32_WCE
1863 
1864 #define NDISUIO_MSG_SIZE (sizeof(NDISUIO_DEVICE_NOTIFICATION) + 512)
1865 
1866 static void ndisuio_notification_receive(void *eloop_data, void *user_ctx)
1867 {
1868 	struct wpa_driver_ndis_data *drv = eloop_data;
1869 	NDISUIO_DEVICE_NOTIFICATION *hdr;
1870 	u8 buf[NDISUIO_MSG_SIZE];
1871 	DWORD len, flags;
1872 
1873 	if (!ReadMsgQueue(drv->event_queue, buf, NDISUIO_MSG_SIZE, &len, 0,
1874 			  &flags)) {
1875 		wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1876 			   "ReadMsgQueue failed: %d", (int) GetLastError());
1877 		return;
1878 	}
1879 
1880 	if (len < sizeof(NDISUIO_DEVICE_NOTIFICATION)) {
1881 		wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1882 			   "Too short message (len=%d)", (int) len);
1883 		return;
1884 	}
1885 
1886 	hdr = (NDISUIO_DEVICE_NOTIFICATION *) buf;
1887 	wpa_printf(MSG_DEBUG, "NDIS: Notification received: len=%d type=0x%x",
1888 		   (int) len, hdr->dwNotificationType);
1889 
1890 	switch (hdr->dwNotificationType) {
1891 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1892 	case NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL:
1893 		wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_ARRIVAL");
1894 		wpa_driver_ndis_event_adapter_arrival(drv);
1895 		break;
1896 #endif
1897 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1898 	case NDISUIO_NOTIFICATION_ADAPTER_REMOVAL:
1899 		wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_REMOVAL");
1900 		wpa_driver_ndis_event_adapter_removal(drv);
1901 		break;
1902 #endif
1903 	case NDISUIO_NOTIFICATION_MEDIA_CONNECT:
1904 		wpa_printf(MSG_DEBUG, "NDIS: MEDIA_CONNECT");
1905 		SetEvent(drv->connected_event);
1906 		wpa_driver_ndis_event_connect(drv);
1907 		break;
1908 	case NDISUIO_NOTIFICATION_MEDIA_DISCONNECT:
1909 		ResetEvent(drv->connected_event);
1910 		wpa_printf(MSG_DEBUG, "NDIS: MEDIA_DISCONNECT");
1911 		wpa_driver_ndis_event_disconnect(drv);
1912 		break;
1913 	case NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION:
1914 		wpa_printf(MSG_DEBUG, "NDIS: MEDIA_SPECIFIC_NOTIFICATION");
1915 #if _WIN32_WCE == 420 || _WIN32_WCE == 0x420
1916 		wpa_driver_ndis_event_media_specific(
1917 			drv, hdr->pvStatusBuffer, hdr->uiStatusBufferSize);
1918 #else
1919 		wpa_driver_ndis_event_media_specific(
1920 			drv, ((const u8 *) hdr) + hdr->uiOffsetToStatusBuffer,
1921 			(size_t) hdr->uiStatusBufferSize);
1922 #endif
1923 		break;
1924 	default:
1925 		wpa_printf(MSG_DEBUG, "NDIS: Unknown notification type 0x%x",
1926 			   hdr->dwNotificationType);
1927 		break;
1928 	}
1929 }
1930 
1931 
1932 static void ndisuio_notification_deinit(struct wpa_driver_ndis_data *drv)
1933 {
1934 	NDISUIO_REQUEST_NOTIFICATION req;
1935 
1936 	memset(&req, 0, sizeof(req));
1937 	req.hMsgQueue = drv->event_queue;
1938 	req.dwNotificationTypes = 0;
1939 
1940 	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1941 			     &req, sizeof(req), NULL, 0, NULL, NULL)) {
1942 		wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1943 			   "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1944 			   (int) GetLastError());
1945 	}
1946 
1947 	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_CANCEL_NOTIFICATION,
1948 			     NULL, 0, NULL, 0, NULL, NULL)) {
1949 		wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1950 			   "IOCTL_NDISUIO_CANCEL_NOTIFICATION failed: %d",
1951 			   (int) GetLastError());
1952 	}
1953 
1954 	if (drv->event_queue) {
1955 		eloop_unregister_event(drv->event_queue,
1956 				       sizeof(drv->event_queue));
1957 		CloseHandle(drv->event_queue);
1958 		drv->event_queue = NULL;
1959 	}
1960 
1961 	if (drv->connected_event) {
1962 		CloseHandle(drv->connected_event);
1963 		drv->connected_event = NULL;
1964 	}
1965 }
1966 
1967 
1968 static int ndisuio_notification_init(struct wpa_driver_ndis_data *drv)
1969 {
1970 	MSGQUEUEOPTIONS opt;
1971 	NDISUIO_REQUEST_NOTIFICATION req;
1972 
1973 	drv->connected_event =
1974 		CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
1975 	if (drv->connected_event == NULL) {
1976 		wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1977 			   "CreateEvent failed: %d",
1978 			   (int) GetLastError());
1979 		return -1;
1980 	}
1981 
1982 	memset(&opt, 0, sizeof(opt));
1983 	opt.dwSize = sizeof(opt);
1984 	opt.dwMaxMessages = 5;
1985 	opt.cbMaxMessage = NDISUIO_MSG_SIZE;
1986 	opt.bReadAccess = TRUE;
1987 
1988 	drv->event_queue = CreateMsgQueue(NULL, &opt);
1989 	if (drv->event_queue == NULL) {
1990 		wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1991 			   "CreateMsgQueue failed: %d",
1992 			   (int) GetLastError());
1993 		ndisuio_notification_deinit(drv);
1994 		return -1;
1995 	}
1996 
1997 	memset(&req, 0, sizeof(req));
1998 	req.hMsgQueue = drv->event_queue;
1999 	req.dwNotificationTypes =
2000 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
2001 		NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL |
2002 #endif
2003 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
2004 		NDISUIO_NOTIFICATION_ADAPTER_REMOVAL |
2005 #endif
2006 		NDISUIO_NOTIFICATION_MEDIA_CONNECT |
2007 		NDISUIO_NOTIFICATION_MEDIA_DISCONNECT |
2008 		NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION;
2009 
2010 	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
2011 			     &req, sizeof(req), NULL, 0, NULL, NULL)) {
2012 		wpa_printf(MSG_INFO, "ndisuio_notification_init: "
2013 			   "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
2014 			   (int) GetLastError());
2015 		ndisuio_notification_deinit(drv);
2016 		return -1;
2017 	}
2018 
2019 	eloop_register_event(drv->event_queue, sizeof(drv->event_queue),
2020 			     ndisuio_notification_receive, drv, NULL);
2021 
2022 	return 0;
2023 }
2024 #endif /* _WIN32_WCE */
2025 
2026 
2027 static int wpa_driver_ndis_get_names(struct wpa_driver_ndis_data *drv)
2028 {
2029 #ifdef CONFIG_USE_NDISUIO
2030 	NDISUIO_QUERY_BINDING *b;
2031 	size_t blen = sizeof(*b) + 1024;
2032 	int i, error, found = 0;
2033 	DWORD written;
2034 	char name[256], desc[256], *dpos;
2035 	WCHAR *pos;
2036 	size_t j, len, dlen;
2037 
2038 	b = os_malloc(blen);
2039 	if (b == NULL)
2040 		return -1;
2041 
2042 	for (i = 0; ; i++) {
2043 		os_memset(b, 0, blen);
2044 		b->BindingIndex = i;
2045 		if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
2046 				     b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
2047 				     &written, NULL)) {
2048 			error = (int) GetLastError();
2049 			if (error == ERROR_NO_MORE_ITEMS)
2050 				break;
2051 			wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
2052 				   "failed: %d", error);
2053 			break;
2054 		}
2055 
2056 		pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
2057 		len = b->DeviceNameLength;
2058 		if (len >= sizeof(name))
2059 			len = sizeof(name) - 1;
2060 		for (j = 0; j < len; j++)
2061 			name[j] = (char) pos[j];
2062 		name[len] = '\0';
2063 
2064 		pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
2065 		len = b->DeviceDescrLength;
2066 		if (len >= sizeof(desc))
2067 			len = sizeof(desc) - 1;
2068 		for (j = 0; j < len; j++)
2069 			desc[j] = (char) pos[j];
2070 		desc[len] = '\0';
2071 
2072 		wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
2073 
2074 		if (os_strstr(name, drv->ifname)) {
2075 			wpa_printf(MSG_DEBUG, "NDIS: Interface name match");
2076 			found = 1;
2077 			break;
2078 		}
2079 
2080 		if (os_strncmp(desc, drv->ifname, os_strlen(drv->ifname)) == 0)
2081 		{
2082 			wpa_printf(MSG_DEBUG, "NDIS: Interface description "
2083 				   "match");
2084 			found = 1;
2085 			break;
2086 		}
2087 	}
2088 
2089 	if (!found) {
2090 		wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2091 			   drv->ifname);
2092 		os_free(b);
2093 		return -1;
2094 	}
2095 
2096 	os_strlcpy(drv->ifname,
2097 		   os_strncmp(name, "\\DEVICE\\", 8) == 0 ? name + 8 : name,
2098 		   sizeof(drv->ifname));
2099 #ifdef _WIN32_WCE
2100 	drv->adapter_name = wpa_strdup_tchar(drv->ifname);
2101 	if (drv->adapter_name == NULL) {
2102 		wpa_printf(MSG_ERROR, "NDIS: Failed to allocate memory for "
2103 			   "adapter name");
2104 		os_free(b);
2105 		return -1;
2106 	}
2107 #endif /* _WIN32_WCE */
2108 
2109 	dpos = os_strstr(desc, " - ");
2110 	if (dpos)
2111 		dlen = dpos - desc;
2112 	else
2113 		dlen = os_strlen(desc);
2114 	drv->adapter_desc = dup_binstr(desc, dlen);
2115 	os_free(b);
2116 	if (drv->adapter_desc == NULL)
2117 		return -1;
2118 
2119 	wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2120 		   drv->adapter_desc);
2121 
2122 	return 0;
2123 #else /* CONFIG_USE_NDISUIO */
2124 	PTSTR _names;
2125 	char *names, *pos, *pos2;
2126 	ULONG len;
2127 	BOOLEAN res;
2128 #define MAX_ADAPTERS 32
2129 	char *name[MAX_ADAPTERS];
2130 	char *desc[MAX_ADAPTERS];
2131 	int num_name, num_desc, i, found_name, found_desc;
2132 	size_t dlen;
2133 
2134 	wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
2135 		   PacketGetVersion());
2136 
2137 	len = 8192;
2138 	_names = os_zalloc(len);
2139 	if (_names == NULL)
2140 		return -1;
2141 
2142 	res = PacketGetAdapterNames(_names, &len);
2143 	if (!res && len > 8192) {
2144 		os_free(_names);
2145 		_names = os_zalloc(len);
2146 		if (_names == NULL)
2147 			return -1;
2148 		res = PacketGetAdapterNames(_names, &len);
2149 	}
2150 
2151 	if (!res) {
2152 		wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
2153 			   "(PacketGetAdapterNames)");
2154 		os_free(_names);
2155 		return -1;
2156 	}
2157 
2158 	names = (char *) _names;
2159 	if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
2160 		wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
2161 			   "UNICODE");
2162 		/* Convert to ASCII */
2163 		pos2 = pos = names;
2164 		while (pos2 < names + len) {
2165 			if (pos2[0] == '\0' && pos2[1] == '\0' &&
2166 			    pos2[2] == '\0' && pos2[3] == '\0') {
2167 				pos2 += 4;
2168 				break;
2169 			}
2170 			*pos++ = pos2[0];
2171 			pos2 += 2;
2172 		}
2173 		os_memcpy(pos + 2, names, pos - names);
2174 		pos += 2;
2175 	} else
2176 		pos = names;
2177 
2178 	num_name = 0;
2179 	while (pos < names + len) {
2180 		name[num_name] = pos;
2181 		while (*pos && pos < names + len)
2182 			pos++;
2183 		if (pos + 1 >= names + len) {
2184 			os_free(names);
2185 			return -1;
2186 		}
2187 		pos++;
2188 		num_name++;
2189 		if (num_name >= MAX_ADAPTERS) {
2190 			wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
2191 			os_free(names);
2192 			return -1;
2193 		}
2194 		if (*pos == '\0') {
2195 			wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
2196 				   num_name);
2197 			pos++;
2198 			break;
2199 		}
2200 	}
2201 
2202 	num_desc = 0;
2203 	while (pos < names + len) {
2204 		desc[num_desc] = pos;
2205 		while (*pos && pos < names + len)
2206 			pos++;
2207 		if (pos + 1 >= names + len) {
2208 			os_free(names);
2209 			return -1;
2210 		}
2211 		pos++;
2212 		num_desc++;
2213 		if (num_desc >= MAX_ADAPTERS) {
2214 			wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
2215 				   "descriptions");
2216 			os_free(names);
2217 			return -1;
2218 		}
2219 		if (*pos == '\0') {
2220 			wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
2221 				   "found", num_name);
2222 			pos++;
2223 			break;
2224 		}
2225 	}
2226 
2227 	/*
2228 	 * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
2229 	 * descriptions. Fill in dummy descriptors to work around this.
2230 	 */
2231 	while (num_desc < num_name)
2232 		desc[num_desc++] = "dummy description";
2233 
2234 	if (num_name != num_desc) {
2235 		wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
2236 			   "description counts (%d != %d)",
2237 			   num_name, num_desc);
2238 		os_free(names);
2239 		return -1;
2240 	}
2241 
2242 	found_name = found_desc = -1;
2243 	for (i = 0; i < num_name; i++) {
2244 		wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s",
2245 			   i, name[i], desc[i]);
2246 		if (found_name == -1 && os_strstr(name[i], drv->ifname))
2247 			found_name = i;
2248 		if (found_desc == -1 &&
2249 		    os_strncmp(desc[i], drv->ifname, os_strlen(drv->ifname)) ==
2250 		    0)
2251 			found_desc = i;
2252 	}
2253 
2254 	if (found_name < 0 && found_desc >= 0) {
2255 		wpa_printf(MSG_DEBUG, "NDIS: Matched interface '%s' based on "
2256 			   "description '%s'",
2257 			   name[found_desc], desc[found_desc]);
2258 		found_name = found_desc;
2259 		os_strlcpy(drv->ifname,
2260 			   os_strncmp(name[found_desc], "\\Device\\NPF_", 12)
2261 			   == 0 ? name[found_desc] + 12 : name[found_desc],
2262 			   sizeof(drv->ifname));
2263 	}
2264 
2265 	if (found_name < 0) {
2266 		wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2267 			   drv->ifname);
2268 		os_free(names);
2269 		return -1;
2270 	}
2271 
2272 	i = found_name;
2273 	pos = os_strrchr(desc[i], '(');
2274 	if (pos) {
2275 		dlen = pos - desc[i];
2276 		pos--;
2277 		if (pos > desc[i] && *pos == ' ')
2278 			dlen--;
2279 	} else {
2280 		dlen = os_strlen(desc[i]);
2281 	}
2282 	drv->adapter_desc = dup_binstr(desc[i], dlen);
2283 	os_free(names);
2284 	if (drv->adapter_desc == NULL)
2285 		return -1;
2286 
2287 	wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2288 		   drv->adapter_desc);
2289 
2290 	return 0;
2291 #endif /* CONFIG_USE_NDISUIO */
2292 }
2293 
2294 
2295 #if defined(CONFIG_NATIVE_WINDOWS) || defined(__CYGWIN__)
2296 #ifndef _WIN32_WCE
2297 /*
2298  * These structures are undocumented for WinXP; only WinCE version is
2299  * documented. These would be included wzcsapi.h if it were available. Some
2300  * changes here have been needed to make the structures match with WinXP SP2.
2301  * It is unclear whether these work with any other version.
2302  */
2303 
2304 typedef struct {
2305 	LPWSTR wszGuid;
2306 } INTF_KEY_ENTRY, *PINTF_KEY_ENTRY;
2307 
2308 typedef struct {
2309 	DWORD dwNumIntfs;
2310 	PINTF_KEY_ENTRY pIntfs;
2311 } INTFS_KEY_TABLE, *PINTFS_KEY_TABLE;
2312 
2313 typedef struct {
2314 	DWORD dwDataLen;
2315 	LPBYTE pData;
2316 } RAW_DATA, *PRAW_DATA;
2317 
2318 typedef struct {
2319 	LPWSTR wszGuid;
2320 	LPWSTR wszDescr;
2321 	ULONG ulMediaState;
2322 	ULONG ulMediaType;
2323 	ULONG ulPhysicalMediaType;
2324 	INT nInfraMode;
2325 	INT nAuthMode;
2326 	INT nWepStatus;
2327 #ifndef _WIN32_WCE
2328 	u8 pad[2]; /* why is this needed? */
2329 #endif /* _WIN32_WCE */
2330 	DWORD dwCtlFlags;
2331 	DWORD dwCapabilities; /* something added for WinXP SP2(?) */
2332 	RAW_DATA rdSSID;
2333 	RAW_DATA rdBSSID;
2334 	RAW_DATA rdBSSIDList;
2335 	RAW_DATA rdStSSIDList;
2336 	RAW_DATA rdCtrlData;
2337 #ifdef UNDER_CE
2338 	BOOL bInitialized;
2339 #endif
2340 	DWORD nWPAMCastCipher;
2341 	/* add some extra buffer for later additions since this interface is
2342 	 * far from stable */
2343 	u8 later_additions[100];
2344 } INTF_ENTRY, *PINTF_ENTRY;
2345 
2346 #define INTF_ALL 0xffffffff
2347 #define INTF_ALL_FLAGS 0x0000ffff
2348 #define INTF_CTLFLAGS 0x00000010
2349 #define INTFCTL_ENABLED 0x8000
2350 #endif /* _WIN32_WCE */
2351 
2352 
2353 #ifdef _WIN32_WCE
2354 static int wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data *drv)
2355 {
2356 	HANDLE ndis;
2357 	TCHAR multi[100];
2358 	int len;
2359 
2360 	len = _tcslen(drv->adapter_name);
2361 	if (len > 80)
2362 		return -1;
2363 
2364 	ndis = CreateFile(DD_NDIS_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE,
2365 			  0, NULL, OPEN_EXISTING, 0, NULL);
2366 	if (ndis == INVALID_HANDLE_VALUE) {
2367 		wpa_printf(MSG_DEBUG, "NDIS: Failed to open file to NDIS "
2368 			   "device: %d", (int) GetLastError());
2369 		return -1;
2370 	}
2371 
2372 	len++;
2373 	memcpy(multi, drv->adapter_name, len * sizeof(TCHAR));
2374 	memcpy(&multi[len], TEXT("NDISUIO\0"), 9 * sizeof(TCHAR));
2375 	len += 9;
2376 
2377 	if (!DeviceIoControl(ndis, IOCTL_NDIS_REBIND_ADAPTER,
2378 			     multi, len * sizeof(TCHAR), NULL, 0, NULL, NULL))
2379 	{
2380 		wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDIS_REBIND_ADAPTER "
2381 			   "failed: 0x%x", (int) GetLastError());
2382 		wpa_hexdump_ascii(MSG_DEBUG, "NDIS: rebind multi_sz",
2383 				  (u8 *) multi, len * sizeof(TCHAR));
2384 		CloseHandle(ndis);
2385 		return -1;
2386 	}
2387 
2388 	CloseHandle(ndis);
2389 
2390 	wpa_printf(MSG_DEBUG, "NDIS: Requested NDIS rebind of NDISUIO "
2391 		   "protocol");
2392 
2393 	return 0;
2394 }
2395 #endif /* _WIN32_WCE */
2396 
2397 
2398 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2399 				   int enable)
2400 {
2401 #ifdef _WIN32_WCE
2402 	HKEY hk, hk2;
2403 	LONG ret;
2404 	DWORD i, hnd, len;
2405 	TCHAR keyname[256], devname[256];
2406 
2407 #define WZC_DRIVER TEXT("Drivers\\BuiltIn\\ZeroConfig")
2408 
2409 	if (enable) {
2410 		HANDLE h;
2411 		h = ActivateDeviceEx(WZC_DRIVER, NULL, 0, NULL);
2412 		if (h == INVALID_HANDLE_VALUE || h == 0) {
2413 			wpa_printf(MSG_DEBUG, "NDIS: Failed to re-enable WZC "
2414 				   "- ActivateDeviceEx failed: %d",
2415 				   (int) GetLastError());
2416 			return -1;
2417 		}
2418 
2419 		wpa_printf(MSG_DEBUG, "NDIS: WZC re-enabled");
2420 		return wpa_driver_ndis_rebind_adapter(drv);
2421 	}
2422 
2423 	/*
2424 	 * Unfortunately, just disabling the WZC for an interface is not enough
2425 	 * to free NDISUIO for us, so need to disable and unload WZC completely
2426 	 * for now when using WinCE with NDISUIO. In addition, must request
2427 	 * NDISUIO protocol to be rebound to the adapter in order to free the
2428 	 * NDISUIO binding that WZC hold before us.
2429 	 */
2430 
2431 	/* Enumerate HKLM\Drivers\Active\* to find a handle to WZC. */
2432 	ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, DEVLOAD_ACTIVE_KEY, 0, 0, &hk);
2433 	if (ret != ERROR_SUCCESS) {
2434 		wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(DEVLOAD_ACTIVE_KEY) "
2435 			   "failed: %d %d", (int) ret, (int) GetLastError());
2436 		return -1;
2437 	}
2438 
2439 	for (i = 0; ; i++) {
2440 		len = sizeof(keyname);
2441 		ret = RegEnumKeyEx(hk, i, keyname, &len, NULL, NULL, NULL,
2442 				   NULL);
2443 		if (ret != ERROR_SUCCESS) {
2444 			wpa_printf(MSG_DEBUG, "NDIS: Could not find active "
2445 				   "WZC - assuming it is not running.");
2446 			RegCloseKey(hk);
2447 			return -1;
2448 		}
2449 
2450 		ret = RegOpenKeyEx(hk, keyname, 0, 0, &hk2);
2451 		if (ret != ERROR_SUCCESS) {
2452 			wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(active dev) "
2453 				   "failed: %d %d",
2454 				   (int) ret, (int) GetLastError());
2455 			continue;
2456 		}
2457 
2458 		len = sizeof(devname);
2459 		ret = RegQueryValueEx(hk2, DEVLOAD_DEVKEY_VALNAME, NULL, NULL,
2460 				      (LPBYTE) devname, &len);
2461 		if (ret != ERROR_SUCCESS) {
2462 			wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx("
2463 				   "DEVKEY_VALNAME) failed: %d %d",
2464 				   (int) ret, (int) GetLastError());
2465 			RegCloseKey(hk2);
2466 			continue;
2467 		}
2468 
2469 		if (_tcscmp(devname, WZC_DRIVER) == 0)
2470 			break;
2471 
2472 		RegCloseKey(hk2);
2473 	}
2474 
2475 	RegCloseKey(hk);
2476 
2477 	/* Found WZC - get handle to it. */
2478 	len = sizeof(hnd);
2479 	ret = RegQueryValueEx(hk2, DEVLOAD_HANDLE_VALNAME, NULL, NULL,
2480 			      (PUCHAR) &hnd, &len);
2481 	if (ret != ERROR_SUCCESS) {
2482 		wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx(HANDLE_VALNAME) "
2483 			   "failed: %d %d", (int) ret, (int) GetLastError());
2484 		RegCloseKey(hk2);
2485 		return -1;
2486 	}
2487 
2488 	RegCloseKey(hk2);
2489 
2490 	/* Deactivate WZC */
2491 	if (!DeactivateDevice((HANDLE) hnd)) {
2492 		wpa_printf(MSG_DEBUG, "NDIS: DeactivateDevice failed: %d",
2493 			   (int) GetLastError());
2494 		return -1;
2495 	}
2496 
2497 	wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily");
2498 	drv->wzc_disabled = 1;
2499 	return wpa_driver_ndis_rebind_adapter(drv);
2500 
2501 #else /* _WIN32_WCE */
2502 
2503 	HMODULE hm;
2504 	DWORD (WINAPI *wzc_enum_interf)(LPWSTR pSrvAddr,
2505 					PINTFS_KEY_TABLE pIntfs);
2506 	DWORD (WINAPI *wzc_query_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2507 					 PINTF_ENTRY pIntf,
2508 					 LPDWORD pdwOutFlags);
2509 	DWORD (WINAPI *wzc_set_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2510 				       PINTF_ENTRY pIntf, LPDWORD pdwOutFlags);
2511 	int ret = -1, j;
2512 	DWORD res;
2513 	INTFS_KEY_TABLE guids;
2514 	INTF_ENTRY intf;
2515 	char guid[128];
2516 	WCHAR *pos;
2517 	DWORD flags, i;
2518 
2519 	hm = LoadLibrary(TEXT("wzcsapi.dll"));
2520 	if (hm == NULL) {
2521 		wpa_printf(MSG_DEBUG, "NDIS: Failed to load wzcsapi.dll (%u) "
2522 			   "- WZC probably not running",
2523 			   (unsigned int) GetLastError());
2524 		return -1;
2525 	}
2526 
2527 #ifdef _WIN32_WCE
2528 	wzc_enum_interf = (void *) GetProcAddressA(hm, "WZCEnumInterfaces");
2529 	wzc_query_interf = (void *) GetProcAddressA(hm, "WZCQueryInterface");
2530 	wzc_set_interf = (void *) GetProcAddressA(hm, "WZCSetInterface");
2531 #else /* _WIN32_WCE */
2532 	wzc_enum_interf = (void *) GetProcAddress(hm, "WZCEnumInterfaces");
2533 	wzc_query_interf = (void *) GetProcAddress(hm, "WZCQueryInterface");
2534 	wzc_set_interf = (void *) GetProcAddress(hm, "WZCSetInterface");
2535 #endif /* _WIN32_WCE */
2536 
2537 	if (wzc_enum_interf == NULL || wzc_query_interf == NULL ||
2538 	    wzc_set_interf == NULL) {
2539 		wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces, "
2540 			   "WZCQueryInterface, or WZCSetInterface not found "
2541 			   "in wzcsapi.dll");
2542 		goto fail;
2543 	}
2544 
2545 	os_memset(&guids, 0, sizeof(guids));
2546 	res = wzc_enum_interf(NULL, &guids);
2547 	if (res != 0) {
2548 		wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces failed: %d; "
2549 			   "WZC service is apparently not running",
2550 			   (int) res);
2551 		goto fail;
2552 	}
2553 
2554 	wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces: %d interfaces",
2555 		   (int) guids.dwNumIntfs);
2556 
2557 	for (i = 0; i < guids.dwNumIntfs; i++) {
2558 		pos = guids.pIntfs[i].wszGuid;
2559 		for (j = 0; j < sizeof(guid); j++) {
2560 			guid[j] = (char) *pos;
2561 			if (*pos == 0)
2562 				break;
2563 			pos++;
2564 		}
2565 		guid[sizeof(guid) - 1] = '\0';
2566 		wpa_printf(MSG_DEBUG, "NDIS: intfs %d GUID '%s'",
2567 			   (int) i, guid);
2568 		if (os_strstr(drv->ifname, guid) == NULL)
2569 			continue;
2570 
2571 		wpa_printf(MSG_DEBUG, "NDIS: Current interface found from "
2572 			   "WZC");
2573 		break;
2574 	}
2575 
2576 	if (i >= guids.dwNumIntfs) {
2577 		wpa_printf(MSG_DEBUG, "NDIS: Current interface not found from "
2578 			   "WZC");
2579 		goto fail;
2580 	}
2581 
2582 	os_memset(&intf, 0, sizeof(intf));
2583 	intf.wszGuid = guids.pIntfs[i].wszGuid;
2584 	/* Set flags to verify that the structure has not changed. */
2585 	intf.dwCtlFlags = -1;
2586 	flags = 0;
2587 	res = wzc_query_interf(NULL, INTFCTL_ENABLED, &intf, &flags);
2588 	if (res != 0) {
2589 		wpa_printf(MSG_DEBUG, "NDIS: Could not query flags for the "
2590 			   "WZC interface: %d (0x%x)",
2591 			   (int) res, (int) res);
2592 		wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2593 			   (unsigned int) GetLastError());
2594 		goto fail;
2595 	}
2596 
2597 	wpa_printf(MSG_DEBUG, "NDIS: WZC interface flags 0x%x dwCtlFlags 0x%x",
2598 		   (int) flags, (int) intf.dwCtlFlags);
2599 
2600 	if (intf.dwCtlFlags == -1) {
2601 		wpa_printf(MSG_DEBUG, "NDIS: Looks like wzcsapi has changed "
2602 			   "again - could not disable WZC");
2603 		wpa_hexdump(MSG_MSGDUMP, "NDIS: intf",
2604 			    (u8 *) &intf, sizeof(intf));
2605 		goto fail;
2606 	}
2607 
2608 	if (enable) {
2609 		if (!(intf.dwCtlFlags & INTFCTL_ENABLED)) {
2610 			wpa_printf(MSG_DEBUG, "NDIS: Enabling 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 enable "
2617 					   "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: Re-enabled WZC for this "
2624 				   "interface");
2625 			drv->wzc_disabled = 0;
2626 		}
2627 	} else {
2628 		if (intf.dwCtlFlags & INTFCTL_ENABLED) {
2629 			wpa_printf(MSG_DEBUG, "NDIS: Disabling WZC for this "
2630 				   "interface");
2631 			intf.dwCtlFlags &= ~INTFCTL_ENABLED;
2632 			res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2633 					     &flags);
2634 			if (res != 0) {
2635 				wpa_printf(MSG_DEBUG, "NDIS: Failed to "
2636 					   "disable WZC: %d (0x%x)",
2637 					   (int) res, (int) res);
2638 				wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2639 					   (unsigned int) GetLastError());
2640 				goto fail;
2641 			}
2642 			wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily "
2643 				   "for this interface");
2644 			drv->wzc_disabled = 1;
2645 		} else {
2646 			wpa_printf(MSG_DEBUG, "NDIS: WZC was not enabled for "
2647 				   "this interface");
2648 		}
2649 	}
2650 
2651 	ret = 0;
2652 
2653 fail:
2654 	FreeLibrary(hm);
2655 
2656 	return ret;
2657 #endif /* _WIN32_WCE */
2658 }
2659 
2660 #else /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2661 
2662 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2663 				   int enable)
2664 {
2665 	return 0;
2666 }
2667 
2668 #endif /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2669 
2670 
2671 #ifdef CONFIG_USE_NDISUIO
2672 /*
2673  * l2_packet_ndis.c is sharing the same handle to NDISUIO, so we must be able
2674  * to export this handle. This is somewhat ugly, but there is no better
2675  * mechanism available to pass data from driver interface to l2_packet wrapper.
2676  */
2677 static HANDLE driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2678 
2679 HANDLE driver_ndis_get_ndisuio_handle(void)
2680 {
2681 	return driver_ndis_ndisuio_handle;
2682 }
2683 #endif /* CONFIG_USE_NDISUIO */
2684 
2685 
2686 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv)
2687 {
2688 #ifdef CONFIG_USE_NDISUIO
2689 #ifndef _WIN32_WCE
2690 #define NDISUIO_DEVICE_NAME TEXT("\\\\.\\\\Ndisuio")
2691 	DWORD written;
2692 #endif /* _WIN32_WCE */
2693 	drv->ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2694 				  GENERIC_READ | GENERIC_WRITE, 0, NULL,
2695 				  OPEN_EXISTING,
2696 				  FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2697 				  INVALID_HANDLE_VALUE);
2698 	if (drv->ndisuio == INVALID_HANDLE_VALUE) {
2699 		wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2700 			   "NDISUIO: %d", (int) GetLastError());
2701 		return -1;
2702 	}
2703 	driver_ndis_ndisuio_handle = drv->ndisuio;
2704 
2705 #ifndef _WIN32_WCE
2706 	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2707 			     NULL, 0, &written, NULL)) {
2708 		wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2709 			   "%d", (int) GetLastError());
2710 		CloseHandle(drv->ndisuio);
2711 		drv->ndisuio = INVALID_HANDLE_VALUE;
2712 		return -1;
2713 	}
2714 #endif /* _WIN32_WCE */
2715 
2716 	return 0;
2717 #else /* CONFIG_USE_NDISUIO */
2718 	return 0;
2719 #endif /* CONFIG_USE_NDISUIO */
2720 }
2721 
2722 
2723 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv)
2724 {
2725 #ifdef CONFIG_USE_NDISUIO
2726 	DWORD written;
2727 #define MAX_NDIS_DEVICE_NAME_LEN 256
2728 	WCHAR ifname[MAX_NDIS_DEVICE_NAME_LEN];
2729 	size_t len, i, pos;
2730 	const char *prefix = "\\DEVICE\\";
2731 
2732 #ifdef _WIN32_WCE
2733 	pos = 0;
2734 #else /* _WIN32_WCE */
2735 	pos = 8;
2736 #endif /* _WIN32_WCE */
2737 	len = pos + os_strlen(drv->ifname);
2738 	if (len >= MAX_NDIS_DEVICE_NAME_LEN)
2739 		return -1;
2740 	for (i = 0; i < pos; i++)
2741 		ifname[i] = (WCHAR) prefix[i];
2742 	for (i = pos; i < len; i++)
2743 		ifname[i] = (WCHAR) drv->ifname[i - pos];
2744 	ifname[i] = L'\0';
2745 
2746 	if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_OPEN_DEVICE,
2747 			     ifname, len * sizeof(WCHAR), NULL, 0, &written,
2748 			     NULL)) {
2749 		wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_OPEN_DEVICE "
2750 			   "failed: %d", (int) GetLastError());
2751 		wpa_hexdump_ascii(MSG_DEBUG, "NDIS: ifname",
2752 				  (const u8 *) ifname, len * sizeof(WCHAR));
2753 		CloseHandle(drv->ndisuio);
2754 		drv->ndisuio = INVALID_HANDLE_VALUE;
2755 		return -1;
2756 	}
2757 
2758 	wpa_printf(MSG_DEBUG, "NDIS: Opened NDISUIO device successfully");
2759 
2760 	return 0;
2761 #else /* CONFIG_USE_NDISUIO */
2762 	char ifname[128];
2763 	os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", drv->ifname);
2764 	drv->adapter = PacketOpenAdapter(ifname);
2765 	if (drv->adapter == NULL) {
2766 		wpa_printf(MSG_DEBUG, "NDIS: PacketOpenAdapter failed for "
2767 			   "'%s'", ifname);
2768 		return -1;
2769 	}
2770 	return 0;
2771 #endif /* CONFIG_USE_NDISUIO */
2772 }
2773 
2774 
2775 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv)
2776 {
2777 #ifdef CONFIG_USE_NDISUIO
2778 	driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2779 	if (drv->ndisuio != INVALID_HANDLE_VALUE)
2780 		CloseHandle(drv->ndisuio);
2781 #else /* CONFIG_USE_NDISUIO */
2782 	if (drv->adapter)
2783 		PacketCloseAdapter(drv->adapter);
2784 #endif /* CONFIG_USE_NDISUIO */
2785 }
2786 
2787 
2788 static int ndis_add_multicast(struct wpa_driver_ndis_data *drv)
2789 {
2790 	if (ndis_set_oid(drv, OID_802_3_MULTICAST_LIST,
2791 			 (const char *) pae_group_addr, ETH_ALEN) < 0) {
2792 		wpa_printf(MSG_DEBUG, "NDIS: Failed to add PAE group address "
2793 			   "to the multicast list");
2794 		return -1;
2795 	}
2796 
2797 	return 0;
2798 }
2799 
2800 
2801 static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
2802 {
2803 	struct wpa_driver_ndis_data *drv;
2804 	u32 mode;
2805 
2806 	drv = os_zalloc(sizeof(*drv));
2807 	if (drv == NULL)
2808 		return NULL;
2809 	drv->ctx = ctx;
2810 	/*
2811 	 * Compatibility code to strip possible prefix from the GUID. Previous
2812 	 * versions include \Device\NPF_ prefix for all names, but the internal
2813 	 * interface name is now only the GUI. Both Packet32 and NDISUIO
2814 	 * prefixes are supported.
2815 	 */
2816 	if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
2817 		ifname += 12;
2818 	else if (os_strncmp(ifname, "\\DEVICE\\", 8) == 0)
2819 		ifname += 8;
2820 	os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
2821 
2822 	if (wpa_driver_ndis_adapter_init(drv) < 0) {
2823 		os_free(drv);
2824 		return NULL;
2825 	}
2826 
2827 	if (wpa_driver_ndis_get_names(drv) < 0) {
2828 		wpa_driver_ndis_adapter_close(drv);
2829 		os_free(drv);
2830 		return NULL;
2831 	}
2832 
2833 	wpa_driver_ndis_set_wzc(drv, 0);
2834 
2835 	if (wpa_driver_ndis_adapter_open(drv) < 0) {
2836 		wpa_driver_ndis_adapter_close(drv);
2837 		os_free(drv);
2838 		return NULL;
2839 	}
2840 
2841 	if (ndis_get_oid(drv, OID_802_3_CURRENT_ADDRESS,
2842 			 (char *) drv->own_addr, ETH_ALEN) < 0) {
2843 		wpa_printf(MSG_DEBUG, "NDIS: Get OID_802_3_CURRENT_ADDRESS "
2844 			   "failed");
2845 		wpa_driver_ndis_adapter_close(drv);
2846 		os_free(drv);
2847 		return NULL;
2848 	}
2849 	wpa_driver_ndis_get_capability(drv);
2850 
2851 	/* Make sure that the driver does not have any obsolete PMKID entries.
2852 	 */
2853 	wpa_driver_ndis_flush_pmkid(drv);
2854 
2855 	/*
2856 	 * Disconnect to make sure that driver re-associates if it was
2857 	 * connected.
2858 	 */
2859 	wpa_driver_ndis_disconnect(drv);
2860 
2861 	eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout, drv, NULL);
2862 
2863 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2864 	drv->events = ndis_events_init(&drv->events_pipe, &drv->event_avail,
2865 				       drv->ifname, drv->adapter_desc);
2866 	if (drv->events == NULL) {
2867 		wpa_driver_ndis_deinit(drv);
2868 		return NULL;
2869 	}
2870 	eloop_register_event(drv->event_avail, sizeof(drv->event_avail),
2871 			     wpa_driver_ndis_event_pipe_cb, drv, NULL);
2872 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2873 
2874 #ifdef _WIN32_WCE
2875 	if (ndisuio_notification_init(drv) < 0) {
2876 		wpa_driver_ndis_deinit(drv);
2877 		return NULL;
2878 	}
2879 #endif /* _WIN32_WCE */
2880 
2881 	/* Set mode here in case card was configured for ad-hoc mode
2882 	 * previously. */
2883 	mode = Ndis802_11Infrastructure;
2884 	if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
2885 			 (char *) &mode, sizeof(mode)) < 0) {
2886 		char buf[8];
2887 		int res;
2888 		wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
2889 			   "OID_802_11_INFRASTRUCTURE_MODE (%d)",
2890 			   (int) mode);
2891 		/* Try to continue anyway */
2892 
2893 		res = ndis_get_oid(drv, OID_DOT11_CURRENT_OPERATION_MODE, buf,
2894 				   sizeof(buf));
2895 		if (res > 0) {
2896 			wpa_printf(MSG_INFO, "NDIS: The driver seems to use "
2897 				   "Native 802.11 OIDs. These are not yet "
2898 				   "fully supported.");
2899 			drv->native80211 = 1;
2900 		} else if (!drv->has_capability || drv->capa.enc == 0) {
2901 			/*
2902 			 * Note: This will also happen with NDIS 6 drivers with
2903 			 * Vista.
2904 			 */
2905 			wpa_printf(MSG_DEBUG, "NDIS: Driver did not provide "
2906 				   "any wireless capabilities - assume it is "
2907 				   "a wired interface");
2908 			drv->wired = 1;
2909 			drv->capa.flags |= WPA_DRIVER_FLAGS_WIRED;
2910 			drv->has_capability = 1;
2911 			ndis_add_multicast(drv);
2912 		}
2913 	}
2914 
2915 	return drv;
2916 }
2917 
2918 
2919 static void wpa_driver_ndis_deinit(void *priv)
2920 {
2921 	struct wpa_driver_ndis_data *drv = priv;
2922 
2923 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2924 	if (drv->events) {
2925 		eloop_unregister_event(drv->event_avail,
2926 				       sizeof(drv->event_avail));
2927 		ndis_events_deinit(drv->events);
2928 	}
2929 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2930 
2931 #ifdef _WIN32_WCE
2932 	ndisuio_notification_deinit(drv);
2933 #endif /* _WIN32_WCE */
2934 
2935 	eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
2936 	eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
2937 	wpa_driver_ndis_flush_pmkid(drv);
2938 	wpa_driver_ndis_disconnect(drv);
2939 	if (wpa_driver_ndis_radio_off(drv) < 0) {
2940 		wpa_printf(MSG_DEBUG, "NDIS: failed to disassociate and turn "
2941 			   "radio off");
2942 	}
2943 
2944 	wpa_driver_ndis_adapter_close(drv);
2945 
2946 	if (drv->wzc_disabled)
2947 		wpa_driver_ndis_set_wzc(drv, 1);
2948 
2949 #ifdef _WIN32_WCE
2950 	os_free(drv->adapter_name);
2951 #endif /* _WIN32_WCE */
2952 	os_free(drv->adapter_desc);
2953 	os_free(drv);
2954 }
2955 
2956 
2957 static struct wpa_interface_info *
2958 wpa_driver_ndis_get_interfaces(void *global_priv)
2959 {
2960 	struct wpa_interface_info *iface = NULL, *niface;
2961 
2962 #ifdef CONFIG_USE_NDISUIO
2963 	NDISUIO_QUERY_BINDING *b;
2964 	size_t blen = sizeof(*b) + 1024;
2965 	int i, error;
2966 	DWORD written;
2967 	char name[256], desc[256];
2968 	WCHAR *pos;
2969 	size_t j, len;
2970 	HANDLE ndisuio;
2971 
2972 	ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2973 			     GENERIC_READ | GENERIC_WRITE, 0, NULL,
2974 			     OPEN_EXISTING,
2975 			     FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2976 			     INVALID_HANDLE_VALUE);
2977 	if (ndisuio == INVALID_HANDLE_VALUE) {
2978 		wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2979 			   "NDISUIO: %d", (int) GetLastError());
2980 		return NULL;
2981 	}
2982 
2983 #ifndef _WIN32_WCE
2984 	if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2985 			     NULL, 0, &written, NULL)) {
2986 		wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2987 			   "%d", (int) GetLastError());
2988 		CloseHandle(ndisuio);
2989 		return NULL;
2990 	}
2991 #endif /* _WIN32_WCE */
2992 
2993 	b = os_malloc(blen);
2994 	if (b == NULL) {
2995 		CloseHandle(ndisuio);
2996 		return NULL;
2997 	}
2998 
2999 	for (i = 0; ; i++) {
3000 		os_memset(b, 0, blen);
3001 		b->BindingIndex = i;
3002 		if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
3003 				     b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
3004 				     &written, NULL)) {
3005 			error = (int) GetLastError();
3006 			if (error == ERROR_NO_MORE_ITEMS)
3007 				break;
3008 			wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
3009 				   "failed: %d", error);
3010 			break;
3011 		}
3012 
3013 		pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
3014 		len = b->DeviceNameLength;
3015 		if (len >= sizeof(name))
3016 			len = sizeof(name) - 1;
3017 		for (j = 0; j < len; j++)
3018 			name[j] = (char) pos[j];
3019 		name[len] = '\0';
3020 
3021 		pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
3022 		len = b->DeviceDescrLength;
3023 		if (len >= sizeof(desc))
3024 			len = sizeof(desc) - 1;
3025 		for (j = 0; j < len; j++)
3026 			desc[j] = (char) pos[j];
3027 		desc[len] = '\0';
3028 
3029 		wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
3030 
3031 		niface = os_zalloc(sizeof(*niface));
3032 		if (niface == NULL)
3033 			break;
3034 		niface->drv_name = "ndis";
3035 		if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
3036 			niface->ifname = os_strdup(name + 8);
3037 		else
3038 			niface->ifname = os_strdup(name);
3039 		if (niface->ifname == NULL) {
3040 			os_free(niface);
3041 			break;
3042 		}
3043 		niface->desc = os_strdup(desc);
3044 		niface->next = iface;
3045 		iface = niface;
3046 	}
3047 
3048 	os_free(b);
3049 	CloseHandle(ndisuio);
3050 #else /* CONFIG_USE_NDISUIO */
3051 	PTSTR _names;
3052 	char *names, *pos, *pos2;
3053 	ULONG len;
3054 	BOOLEAN res;
3055 	char *name[MAX_ADAPTERS];
3056 	char *desc[MAX_ADAPTERS];
3057 	int num_name, num_desc, i;
3058 
3059 	wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
3060 		   PacketGetVersion());
3061 
3062 	len = 8192;
3063 	_names = os_zalloc(len);
3064 	if (_names == NULL)
3065 		return NULL;
3066 
3067 	res = PacketGetAdapterNames(_names, &len);
3068 	if (!res && len > 8192) {
3069 		os_free(_names);
3070 		_names = os_zalloc(len);
3071 		if (_names == NULL)
3072 			return NULL;
3073 		res = PacketGetAdapterNames(_names, &len);
3074 	}
3075 
3076 	if (!res) {
3077 		wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
3078 			   "(PacketGetAdapterNames)");
3079 		os_free(_names);
3080 		return NULL;
3081 	}
3082 
3083 	names = (char *) _names;
3084 	if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
3085 		wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
3086 			   "UNICODE");
3087 		/* Convert to ASCII */
3088 		pos2 = pos = names;
3089 		while (pos2 < names + len) {
3090 			if (pos2[0] == '\0' && pos2[1] == '\0' &&
3091 			    pos2[2] == '\0' && pos2[3] == '\0') {
3092 				pos2 += 4;
3093 				break;
3094 			}
3095 			*pos++ = pos2[0];
3096 			pos2 += 2;
3097 		}
3098 		os_memcpy(pos + 2, names, pos - names);
3099 		pos += 2;
3100 	} else
3101 		pos = names;
3102 
3103 	num_name = 0;
3104 	while (pos < names + len) {
3105 		name[num_name] = pos;
3106 		while (*pos && pos < names + len)
3107 			pos++;
3108 		if (pos + 1 >= names + len) {
3109 			os_free(names);
3110 			return NULL;
3111 		}
3112 		pos++;
3113 		num_name++;
3114 		if (num_name >= MAX_ADAPTERS) {
3115 			wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
3116 			os_free(names);
3117 			return NULL;
3118 		}
3119 		if (*pos == '\0') {
3120 			wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
3121 				   num_name);
3122 			pos++;
3123 			break;
3124 		}
3125 	}
3126 
3127 	num_desc = 0;
3128 	while (pos < names + len) {
3129 		desc[num_desc] = pos;
3130 		while (*pos && pos < names + len)
3131 			pos++;
3132 		if (pos + 1 >= names + len) {
3133 			os_free(names);
3134 			return NULL;
3135 		}
3136 		pos++;
3137 		num_desc++;
3138 		if (num_desc >= MAX_ADAPTERS) {
3139 			wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
3140 				   "descriptions");
3141 			os_free(names);
3142 			return NULL;
3143 		}
3144 		if (*pos == '\0') {
3145 			wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
3146 				   "found", num_name);
3147 			pos++;
3148 			break;
3149 		}
3150 	}
3151 
3152 	/*
3153 	 * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
3154 	 * descriptions. Fill in dummy descriptors to work around this.
3155 	 */
3156 	while (num_desc < num_name)
3157 		desc[num_desc++] = "dummy description";
3158 
3159 	if (num_name != num_desc) {
3160 		wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
3161 			   "description counts (%d != %d)",
3162 			   num_name, num_desc);
3163 		os_free(names);
3164 		return NULL;
3165 	}
3166 
3167 	for (i = 0; i < num_name; i++) {
3168 		niface = os_zalloc(sizeof(*niface));
3169 		if (niface == NULL)
3170 			break;
3171 		niface->drv_name = "ndis";
3172 		if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
3173 			niface->ifname = os_strdup(name[i] + 12);
3174 		else
3175 			niface->ifname = os_strdup(name[i]);
3176 		if (niface->ifname == NULL) {
3177 			os_free(niface);
3178 			break;
3179 		}
3180 		niface->desc = os_strdup(desc[i]);
3181 		niface->next = iface;
3182 		iface = niface;
3183 	}
3184 
3185 #endif /* CONFIG_USE_NDISUIO */
3186 
3187 	return iface;
3188 }
3189 
3190 
3191 static const char *ndis_drv_name = "ndis";
3192 static const char *ndis_drv_desc = "Windows NDIS driver";
3193 
3194 struct wpa_driver_ops wpa_driver_ndis_ops;
3195 
3196 void driver_ndis_init_ops(void)
3197 {
3198 	os_memset(&wpa_driver_ndis_ops, 0, sizeof(wpa_driver_ndis_ops));
3199 	wpa_driver_ndis_ops.name = ndis_drv_name;
3200 	wpa_driver_ndis_ops.desc = ndis_drv_desc;
3201 	wpa_driver_ndis_ops.get_bssid = wpa_driver_ndis_get_bssid;
3202 	wpa_driver_ndis_ops.get_ssid = wpa_driver_ndis_get_ssid;
3203 	wpa_driver_ndis_ops.set_key = wpa_driver_ndis_set_key;
3204 	wpa_driver_ndis_ops.init = wpa_driver_ndis_init;
3205 	wpa_driver_ndis_ops.deinit = wpa_driver_ndis_deinit;
3206 	wpa_driver_ndis_ops.deauthenticate = wpa_driver_ndis_deauthenticate;
3207 	wpa_driver_ndis_ops.associate = wpa_driver_ndis_associate;
3208 	wpa_driver_ndis_ops.add_pmkid = wpa_driver_ndis_add_pmkid;
3209 	wpa_driver_ndis_ops.remove_pmkid = wpa_driver_ndis_remove_pmkid;
3210 	wpa_driver_ndis_ops.flush_pmkid = wpa_driver_ndis_flush_pmkid;
3211 	wpa_driver_ndis_ops.get_capa = wpa_driver_ndis_get_capa;
3212 	wpa_driver_ndis_ops.poll = wpa_driver_ndis_poll;
3213 	wpa_driver_ndis_ops.get_ifname = wpa_driver_ndis_get_ifname;
3214 	wpa_driver_ndis_ops.get_mac_addr = wpa_driver_ndis_get_mac_addr;
3215 	wpa_driver_ndis_ops.get_scan_results2 =
3216 		wpa_driver_ndis_get_scan_results;
3217 	wpa_driver_ndis_ops.get_interfaces = wpa_driver_ndis_get_interfaces;
3218 	wpa_driver_ndis_ops.scan2 = wpa_driver_ndis_scan;
3219 }
3220