Disconnect hostapd from building in base
[dragonfly.git] / contrib / hostapd / src / drivers / driver_ndis.c
1 /*
2  * WPA Supplicant - Windows/NDIS driver interface
3  * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
4  *
5  * This 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_11_BSSID                        0x0d010101
61 #define OID_802_11_SSID                         0x0d010102
62 #define OID_802_11_INFRASTRUCTURE_MODE          0x0d010108
63 #define OID_802_11_ADD_WEP                      0x0D010113
64 #define OID_802_11_REMOVE_WEP                   0x0D010114
65 #define OID_802_11_DISASSOCIATE                 0x0D010115
66 #define OID_802_11_BSSID_LIST                   0x0d010217
67 #define OID_802_11_AUTHENTICATION_MODE          0x0d010118
68 #define OID_802_11_PRIVACY_FILTER               0x0d010119
69 #define OID_802_11_BSSID_LIST_SCAN              0x0d01011A
70 #define OID_802_11_WEP_STATUS                   0x0d01011B
71 #define OID_802_11_ENCRYPTION_STATUS OID_802_11_WEP_STATUS
72 #define OID_802_11_ADD_KEY                      0x0d01011D
73 #define OID_802_11_REMOVE_KEY                   0x0d01011E
74 #define OID_802_11_ASSOCIATION_INFORMATION      0x0d01011F
75 #define OID_802_11_TEST                         0x0d010120
76 #define OID_802_11_CAPABILITY                   0x0d010122
77 #define OID_802_11_PMKID                        0x0d010123
78
79 #define NDIS_802_11_LENGTH_SSID 32
80 #define NDIS_802_11_LENGTH_RATES 8
81 #define NDIS_802_11_LENGTH_RATES_EX 16
82
83 typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
84
85 typedef struct NDIS_802_11_SSID {
86         ULONG SsidLength;
87         UCHAR Ssid[NDIS_802_11_LENGTH_SSID];
88 } NDIS_802_11_SSID;
89
90 typedef LONG NDIS_802_11_RSSI;
91
92 typedef enum NDIS_802_11_NETWORK_TYPE {
93         Ndis802_11FH,
94         Ndis802_11DS,
95         Ndis802_11OFDM5,
96         Ndis802_11OFDM24,
97         Ndis802_11NetworkTypeMax
98 } NDIS_802_11_NETWORK_TYPE;
99
100 typedef struct NDIS_802_11_CONFIGURATION_FH {
101         ULONG Length;
102         ULONG HopPattern;
103         ULONG HopSet;
104         ULONG DwellTime;
105 } NDIS_802_11_CONFIGURATION_FH;
106
107 typedef struct NDIS_802_11_CONFIGURATION {
108         ULONG Length;
109         ULONG BeaconPeriod;
110         ULONG ATIMWindow;
111         ULONG DSConfig;
112         NDIS_802_11_CONFIGURATION_FH FHConfig;
113 } NDIS_802_11_CONFIGURATION;
114
115 typedef enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
116         Ndis802_11IBSS,
117         Ndis802_11Infrastructure,
118         Ndis802_11AutoUnknown,
119         Ndis802_11InfrastructureMax
120 } NDIS_802_11_NETWORK_INFRASTRUCTURE;
121
122 typedef enum NDIS_802_11_AUTHENTICATION_MODE {
123         Ndis802_11AuthModeOpen,
124         Ndis802_11AuthModeShared,
125         Ndis802_11AuthModeAutoSwitch,
126         Ndis802_11AuthModeWPA,
127         Ndis802_11AuthModeWPAPSK,
128         Ndis802_11AuthModeWPANone,
129         Ndis802_11AuthModeWPA2,
130         Ndis802_11AuthModeWPA2PSK,
131         Ndis802_11AuthModeMax
132 } NDIS_802_11_AUTHENTICATION_MODE;
133
134 typedef enum NDIS_802_11_WEP_STATUS {
135         Ndis802_11WEPEnabled,
136         Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
137         Ndis802_11WEPDisabled,
138         Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
139         Ndis802_11WEPKeyAbsent,
140         Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
141         Ndis802_11WEPNotSupported,
142         Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
143         Ndis802_11Encryption2Enabled,
144         Ndis802_11Encryption2KeyAbsent,
145         Ndis802_11Encryption3Enabled,
146         Ndis802_11Encryption3KeyAbsent
147 } NDIS_802_11_WEP_STATUS, NDIS_802_11_ENCRYPTION_STATUS;
148
149 typedef enum NDIS_802_11_PRIVACY_FILTER {
150         Ndis802_11PrivFilterAcceptAll,
151         Ndis802_11PrivFilter8021xWEP
152 } NDIS_802_11_PRIVACY_FILTER;
153
154 typedef UCHAR NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];
155 typedef UCHAR NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];
156
157 typedef struct NDIS_WLAN_BSSID_EX {
158         ULONG Length;
159         NDIS_802_11_MAC_ADDRESS MacAddress; /* BSSID */
160         UCHAR Reserved[2];
161         NDIS_802_11_SSID Ssid;
162         ULONG Privacy;
163         NDIS_802_11_RSSI Rssi;
164         NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
165         NDIS_802_11_CONFIGURATION Configuration;
166         NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
167         NDIS_802_11_RATES_EX SupportedRates;
168         ULONG IELength;
169         UCHAR IEs[1];
170 } NDIS_WLAN_BSSID_EX;
171
172 typedef struct NDIS_802_11_BSSID_LIST_EX {
173         ULONG NumberOfItems;
174         NDIS_WLAN_BSSID_EX Bssid[1];
175 } NDIS_802_11_BSSID_LIST_EX;
176
177 typedef struct NDIS_802_11_FIXED_IEs {
178         UCHAR Timestamp[8];
179         USHORT BeaconInterval;
180         USHORT Capabilities;
181 } NDIS_802_11_FIXED_IEs;
182
183 typedef struct NDIS_802_11_WEP {
184         ULONG Length;
185         ULONG KeyIndex;
186         ULONG KeyLength;
187         UCHAR KeyMaterial[1];
188 } NDIS_802_11_WEP;
189
190 typedef ULONG NDIS_802_11_KEY_INDEX;
191 typedef ULONGLONG NDIS_802_11_KEY_RSC;
192
193 typedef struct NDIS_802_11_KEY {
194         ULONG Length;
195         ULONG KeyIndex;
196         ULONG KeyLength;
197         NDIS_802_11_MAC_ADDRESS BSSID;
198         NDIS_802_11_KEY_RSC KeyRSC;
199         UCHAR KeyMaterial[1];
200 } NDIS_802_11_KEY;
201
202 typedef struct NDIS_802_11_REMOVE_KEY {
203         ULONG Length;
204         ULONG KeyIndex;
205         NDIS_802_11_MAC_ADDRESS BSSID;
206 } NDIS_802_11_REMOVE_KEY;
207
208 typedef struct NDIS_802_11_AI_REQFI {
209         USHORT Capabilities;
210         USHORT ListenInterval;
211         NDIS_802_11_MAC_ADDRESS CurrentAPAddress;
212 } NDIS_802_11_AI_REQFI;
213
214 typedef struct NDIS_802_11_AI_RESFI {
215         USHORT Capabilities;
216         USHORT StatusCode;
217         USHORT AssociationId;
218 } NDIS_802_11_AI_RESFI;
219
220 typedef struct NDIS_802_11_ASSOCIATION_INFORMATION {
221         ULONG Length;
222         USHORT AvailableRequestFixedIEs;
223         NDIS_802_11_AI_REQFI RequestFixedIEs;
224         ULONG RequestIELength;
225         ULONG OffsetRequestIEs;
226         USHORT AvailableResponseFixedIEs;
227         NDIS_802_11_AI_RESFI ResponseFixedIEs;
228         ULONG ResponseIELength;
229         ULONG OffsetResponseIEs;
230 } NDIS_802_11_ASSOCIATION_INFORMATION;
231
232 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
233         NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
234         NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
235 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
236
237 typedef struct NDIS_802_11_CAPABILITY {
238         ULONG Length;
239         ULONG Version;
240         ULONG NoOfPMKIDs;
241         ULONG NoOfAuthEncryptPairsSupported;
242         NDIS_802_11_AUTHENTICATION_ENCRYPTION
243                 AuthenticationEncryptionSupported[1];
244 } NDIS_802_11_CAPABILITY;
245
246 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
247
248 typedef struct BSSID_INFO {
249         NDIS_802_11_MAC_ADDRESS BSSID;
250         NDIS_802_11_PMKID_VALUE PMKID;
251 } BSSID_INFO;
252
253 typedef struct NDIS_802_11_PMKID {
254         ULONG Length;
255         ULONG BSSIDInfoCount;
256         BSSID_INFO BSSIDInfo[1];
257 } NDIS_802_11_PMKID;
258
259 typedef enum NDIS_802_11_STATUS_TYPE {
260         Ndis802_11StatusType_Authentication,
261         Ndis802_11StatusType_PMKID_CandidateList = 2,
262         Ndis802_11StatusTypeMax
263 } NDIS_802_11_STATUS_TYPE;
264
265 typedef struct NDIS_802_11_STATUS_INDICATION {
266         NDIS_802_11_STATUS_TYPE StatusType;
267 } NDIS_802_11_STATUS_INDICATION;
268
269 typedef struct PMKID_CANDIDATE {
270         NDIS_802_11_MAC_ADDRESS BSSID;
271         ULONG Flags;
272 } PMKID_CANDIDATE;
273
274 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
275
276 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
277         ULONG Version;
278         ULONG NumCandidates;
279         PMKID_CANDIDATE CandidateList[1];
280 } NDIS_802_11_PMKID_CANDIDATE_LIST;
281
282 typedef struct NDIS_802_11_AUTHENTICATION_REQUEST {
283         ULONG Length;
284         NDIS_802_11_MAC_ADDRESS Bssid;
285         ULONG Flags;
286 } NDIS_802_11_AUTHENTICATION_REQUEST;
287
288 #define NDIS_802_11_AUTH_REQUEST_REAUTH                 0x01
289 #define NDIS_802_11_AUTH_REQUEST_KEYUPDATE              0x02
290 #define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR         0x06
291 #define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR            0x0E
292
293 #endif /* OID_802_11_BSSID */
294
295
296 #ifndef OID_802_11_PMKID
297 /* Platform SDK for XP did not include WPA2, so add needed definitions */
298
299 #define OID_802_11_CAPABILITY                   0x0d010122
300 #define OID_802_11_PMKID                        0x0d010123
301
302 #define Ndis802_11AuthModeWPA2 6
303 #define Ndis802_11AuthModeWPA2PSK 7
304
305 #define Ndis802_11StatusType_PMKID_CandidateList 2
306
307 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
308         NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
309         NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
310 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
311
312 typedef struct NDIS_802_11_CAPABILITY {
313         ULONG Length;
314         ULONG Version;
315         ULONG NoOfPMKIDs;
316         ULONG NoOfAuthEncryptPairsSupported;
317         NDIS_802_11_AUTHENTICATION_ENCRYPTION
318                 AuthenticationEncryptionSupported[1];
319 } NDIS_802_11_CAPABILITY;
320
321 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
322
323 typedef struct BSSID_INFO {
324         NDIS_802_11_MAC_ADDRESS BSSID;
325         NDIS_802_11_PMKID_VALUE PMKID;
326 } BSSID_INFO;
327
328 typedef struct NDIS_802_11_PMKID {
329         ULONG Length;
330         ULONG BSSIDInfoCount;
331         BSSID_INFO BSSIDInfo[1];
332 } NDIS_802_11_PMKID;
333
334 typedef struct PMKID_CANDIDATE {
335         NDIS_802_11_MAC_ADDRESS BSSID;
336         ULONG Flags;
337 } PMKID_CANDIDATE;
338
339 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
340
341 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
342         ULONG Version;
343         ULONG NumCandidates;
344         PMKID_CANDIDATE CandidateList[1];
345 } NDIS_802_11_PMKID_CANDIDATE_LIST;
346
347 #endif /* OID_802_11_CAPABILITY */
348
349
350 #ifndef OID_DOT11_CURRENT_OPERATION_MODE
351 /* Native 802.11 OIDs */
352 #define OID_DOT11_NDIS_START 0x0D010300
353 #define OID_DOT11_CURRENT_OPERATION_MODE (OID_DOT11_NDIS_START + 8)
354 #define OID_DOT11_SCAN_REQUEST (OID_DOT11_NDIS_START + 11)
355
356 typedef enum _DOT11_BSS_TYPE {
357         dot11_BSS_type_infrastructure = 1,
358         dot11_BSS_type_independent = 2,
359         dot11_BSS_type_any = 3
360 } DOT11_BSS_TYPE, * PDOT11_BSS_TYPE;
361
362 typedef UCHAR DOT11_MAC_ADDRESS[6];
363 typedef DOT11_MAC_ADDRESS * PDOT11_MAC_ADDRESS;
364
365 typedef enum _DOT11_SCAN_TYPE {
366         dot11_scan_type_active = 1,
367         dot11_scan_type_passive = 2,
368         dot11_scan_type_auto = 3,
369         dot11_scan_type_forced = 0x80000000
370 } DOT11_SCAN_TYPE, * PDOT11_SCAN_TYPE;
371
372 typedef struct _DOT11_SCAN_REQUEST_V2 {
373         DOT11_BSS_TYPE dot11BSSType;
374         DOT11_MAC_ADDRESS dot11BSSID;
375         DOT11_SCAN_TYPE dot11ScanType;
376         BOOLEAN bRestrictedScan;
377         ULONG udot11SSIDsOffset;
378         ULONG uNumOfdot11SSIDs;
379         BOOLEAN bUseRequestIE;
380         ULONG uRequestIDsOffset;
381         ULONG uNumOfRequestIDs;
382         ULONG uPhyTypeInfosOffset;
383         ULONG uNumOfPhyTypeInfos;
384         ULONG uIEsOffset;
385         ULONG uIEsLength;
386         UCHAR ucBuffer[1];
387 } DOT11_SCAN_REQUEST_V2, * PDOT11_SCAN_REQUEST_V2;
388
389 #endif /* OID_DOT11_CURRENT_OPERATION_MODE */
390
391 #ifdef CONFIG_USE_NDISUIO
392 #ifndef _WIN32_WCE
393 #ifdef __MINGW32_VERSION
394 typedef ULONG NDIS_OID;
395 #endif /* __MINGW32_VERSION */
396 /* from nuiouser.h */
397 #define FSCTL_NDISUIO_BASE      FILE_DEVICE_NETWORK
398
399 #define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
400         CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
401
402 #define IOCTL_NDISUIO_OPEN_DEVICE \
403         _NDISUIO_CTL_CODE(0x200, METHOD_BUFFERED, \
404                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
405
406 #define IOCTL_NDISUIO_QUERY_OID_VALUE \
407         _NDISUIO_CTL_CODE(0x201, METHOD_BUFFERED, \
408                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
409
410 #define IOCTL_NDISUIO_SET_OID_VALUE \
411         _NDISUIO_CTL_CODE(0x205, METHOD_BUFFERED, \
412                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
413
414 #define IOCTL_NDISUIO_SET_ETHER_TYPE \
415         _NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
416                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
417
418 #define IOCTL_NDISUIO_QUERY_BINDING \
419         _NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
420                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
421
422 #define IOCTL_NDISUIO_BIND_WAIT \
423         _NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
424                           FILE_READ_ACCESS | FILE_WRITE_ACCESS)
425
426 typedef struct _NDISUIO_QUERY_OID
427 {
428     NDIS_OID Oid;
429     UCHAR Data[sizeof(ULONG)];
430 } NDISUIO_QUERY_OID, *PNDISUIO_QUERY_OID;
431
432 typedef struct _NDISUIO_SET_OID
433 {
434     NDIS_OID Oid;
435     UCHAR Data[sizeof(ULONG)];
436 } NDISUIO_SET_OID, *PNDISUIO_SET_OID;
437
438 typedef struct _NDISUIO_QUERY_BINDING
439 {
440         ULONG BindingIndex;
441         ULONG DeviceNameOffset;
442         ULONG DeviceNameLength;
443         ULONG DeviceDescrOffset;
444         ULONG DeviceDescrLength;
445 } NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
446 #endif /* _WIN32_WCE */
447 #endif /* CONFIG_USE_NDISUIO */
448
449
450 static int ndis_get_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
451                         char *data, size_t len)
452 {
453 #ifdef CONFIG_USE_NDISUIO
454         NDISUIO_QUERY_OID *o;
455         size_t buflen = sizeof(*o) + len;
456         DWORD written;
457         int ret;
458         size_t hdrlen;
459
460         o = os_zalloc(buflen);
461         if (o == NULL)
462                 return -1;
463         o->Oid = oid;
464 #ifdef _WIN32_WCE
465         o->ptcDeviceName = drv->adapter_name;
466 #endif /* _WIN32_WCE */
467         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_OID_VALUE,
468                              o, sizeof(NDISUIO_QUERY_OID), o, buflen, &written,
469                              NULL)) {
470                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_QUERY_OID_VALUE "
471                            "failed (oid=%08x): %d", oid, (int) GetLastError());
472                 os_free(o);
473                 return -1;
474         }
475         hdrlen = sizeof(NDISUIO_QUERY_OID) - sizeof(o->Data);
476         if (written < hdrlen) {
477                 wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d); "
478                            "too short", oid, (unsigned int) written);
479                 os_free(o);
480                 return -1;
481         }
482         written -= hdrlen;
483         if (written > len) {
484                 wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d) > "
485                            "len (%d)",oid, (unsigned int) written, len);
486                 os_free(o);
487                 return -1;
488         }
489         os_memcpy(data, o->Data, written);
490         ret = written;
491         os_free(o);
492         return ret;
493 #else /* CONFIG_USE_NDISUIO */
494         char *buf;
495         PACKET_OID_DATA *o;
496         int ret;
497
498         buf = os_zalloc(sizeof(*o) + len);
499         if (buf == NULL)
500                 return -1;
501         o = (PACKET_OID_DATA *) buf;
502         o->Oid = oid;
503         o->Length = len;
504
505         if (!PacketRequest(drv->adapter, FALSE, o)) {
506                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
507                            __func__, oid, len);
508                 os_free(buf);
509                 return -1;
510         }
511         if (o->Length > len) {
512                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x Length (%d) > len (%d)",
513                            __func__, oid, (unsigned int) o->Length, len);
514                 os_free(buf);
515                 return -1;
516         }
517         os_memcpy(data, o->Data, o->Length);
518         ret = o->Length;
519         os_free(buf);
520         return ret;
521 #endif /* CONFIG_USE_NDISUIO */
522 }
523
524
525 static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
526                         const char *data, size_t len)
527 {
528 #ifdef CONFIG_USE_NDISUIO
529         NDISUIO_SET_OID *o;
530         size_t buflen, reallen;
531         DWORD written;
532         char txt[50];
533
534         os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
535         wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
536
537         buflen = sizeof(*o) + len;
538         reallen = buflen - sizeof(o->Data);
539         o = os_zalloc(buflen);
540         if (o == NULL)
541                 return -1;
542         o->Oid = oid;
543 #ifdef _WIN32_WCE
544         o->ptcDeviceName = drv->adapter_name;
545 #endif /* _WIN32_WCE */
546         if (data)
547                 os_memcpy(o->Data, data, len);
548         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_SET_OID_VALUE,
549                              o, reallen, NULL, 0, &written, NULL)) {
550                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_SET_OID_VALUE "
551                            "(oid=%08x) failed: %d", oid, (int) GetLastError());
552                 os_free(o);
553                 return -1;
554         }
555         os_free(o);
556         return 0;
557 #else /* CONFIG_USE_NDISUIO */
558         char *buf;
559         PACKET_OID_DATA *o;
560         char txt[50];
561
562         os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
563         wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
564
565         buf = os_zalloc(sizeof(*o) + len);
566         if (buf == NULL)
567                 return -1;
568         o = (PACKET_OID_DATA *) buf;
569         o->Oid = oid;
570         o->Length = len;
571         if (data)
572                 os_memcpy(o->Data, data, len);
573
574         if (!PacketRequest(drv->adapter, TRUE, o)) {
575                 wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
576                            __func__, oid, len);
577                 os_free(buf);
578                 return -1;
579         }
580         os_free(buf);
581         return 0;
582 #endif /* CONFIG_USE_NDISUIO */
583 }
584
585
586 static int ndis_set_auth_mode(struct wpa_driver_ndis_data *drv, int mode)
587 {
588         u32 auth_mode = mode;
589         if (ndis_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
590                          (char *) &auth_mode, sizeof(auth_mode)) < 0) {
591                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
592                            "OID_802_11_AUTHENTICATION_MODE (%d)",
593                            (int) auth_mode);
594                 return -1;
595         }
596         return 0;
597 }
598
599
600 static int ndis_get_auth_mode(struct wpa_driver_ndis_data *drv)
601 {
602         u32 auth_mode;
603         int res;
604         res = ndis_get_oid(drv, OID_802_11_AUTHENTICATION_MODE,
605                            (char *) &auth_mode, sizeof(auth_mode));
606         if (res != sizeof(auth_mode)) {
607                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
608                            "OID_802_11_AUTHENTICATION_MODE");
609                 return -1;
610         }
611         return auth_mode;
612 }
613
614
615 static int ndis_set_encr_status(struct wpa_driver_ndis_data *drv, int encr)
616 {
617         u32 encr_status = encr;
618         if (ndis_set_oid(drv, OID_802_11_ENCRYPTION_STATUS,
619                          (char *) &encr_status, sizeof(encr_status)) < 0) {
620                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
621                            "OID_802_11_ENCRYPTION_STATUS (%d)", encr);
622                 return -1;
623         }
624         return 0;
625 }
626
627
628 static int ndis_get_encr_status(struct wpa_driver_ndis_data *drv)
629 {
630         u32 encr;
631         int res;
632         res = ndis_get_oid(drv, OID_802_11_ENCRYPTION_STATUS,
633                            (char *) &encr, sizeof(encr));
634         if (res != sizeof(encr)) {
635                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
636                            "OID_802_11_ENCRYPTION_STATUS");
637                 return -1;
638         }
639         return encr;
640 }
641
642
643 static int wpa_driver_ndis_get_bssid(void *priv, u8 *bssid)
644 {
645         struct wpa_driver_ndis_data *drv = priv;
646
647         if (drv->wired) {
648                 /*
649                  * Report PAE group address as the "BSSID" for wired
650                  * connection.
651                  */
652                 os_memcpy(bssid, pae_group_addr, ETH_ALEN);
653                 return 0;
654         }
655
656         return ndis_get_oid(drv, OID_802_11_BSSID, (char *) bssid, ETH_ALEN) <
657                 0 ? -1 : 0;
658 }
659
660
661 static int wpa_driver_ndis_get_ssid(void *priv, u8 *ssid)
662 {
663         struct wpa_driver_ndis_data *drv = priv;
664         NDIS_802_11_SSID buf;
665         int res;
666
667         res = ndis_get_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
668         if (res < 4) {
669                 wpa_printf(MSG_DEBUG, "NDIS: Failed to get SSID");
670                 if (drv->wired) {
671                         wpa_printf(MSG_DEBUG, "NDIS: Allow get_ssid failure "
672                                    "with a wired interface");
673                         return 0;
674                 }
675                 return -1;
676         }
677         os_memcpy(ssid, buf.Ssid, buf.SsidLength);
678         return buf.SsidLength;
679 }
680
681
682 static int wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data *drv,
683                                     const u8 *ssid, size_t ssid_len)
684 {
685         NDIS_802_11_SSID buf;
686
687         os_memset(&buf, 0, sizeof(buf));
688         buf.SsidLength = ssid_len;
689         os_memcpy(buf.Ssid, ssid, ssid_len);
690         /*
691          * Make sure radio is marked enabled here so that scan request will not
692          * force SSID to be changed to a random one in order to enable radio at
693          * that point.
694          */
695         drv->radio_enabled = 1;
696         return ndis_set_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
697 }
698
699
700 /* Disconnect using OID_802_11_DISASSOCIATE. This will also turn the radio off.
701  */
702 static int wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data *drv)
703 {
704         drv->radio_enabled = 0;
705         return ndis_set_oid(drv, OID_802_11_DISASSOCIATE, "    ", 4);
706 }
707
708
709 /* Disconnect by setting SSID to random (i.e., likely not used). */
710 static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
711 {
712         char ssid[32];
713         int i;
714         for (i = 0; i < 32; i++)
715                 ssid[i] = rand() & 0xff;
716         return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, 32);
717 }
718
719
720 static int wpa_driver_ndis_deauthenticate(void *priv, const u8 *addr,
721                                           int reason_code)
722 {
723         struct wpa_driver_ndis_data *drv = priv;
724         return wpa_driver_ndis_disconnect(drv);
725 }
726
727
728 static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
729 {
730         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
731         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
732 }
733
734
735 static int wpa_driver_ndis_scan_native80211(
736         struct wpa_driver_ndis_data *drv,
737         struct wpa_driver_scan_params *params)
738 {
739         DOT11_SCAN_REQUEST_V2 req;
740         int res;
741
742         os_memset(&req, 0, sizeof(req));
743         req.dot11BSSType = dot11_BSS_type_any;
744         os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
745         req.dot11ScanType = dot11_scan_type_auto;
746         res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
747                            sizeof(req));
748         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
749         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
750                                drv->ctx);
751         return res;
752 }
753
754
755 static int wpa_driver_ndis_scan(void *priv,
756                                 struct wpa_driver_scan_params *params)
757 {
758         struct wpa_driver_ndis_data *drv = priv;
759         int res;
760
761         if (drv->native80211)
762                 return wpa_driver_ndis_scan_native80211(drv, params);
763
764         if (!drv->radio_enabled) {
765                 wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
766                            " scan");
767                 if (wpa_driver_ndis_disconnect(drv) < 0) {
768                         wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
769                 }
770                 drv->radio_enabled = 1;
771         }
772
773         res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, "    ", 4);
774         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
775         eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
776                                drv->ctx);
777         return res;
778 }
779
780
781 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
782 {
783         const u8 *end, *pos;
784
785         pos = (const u8 *) (res + 1);
786         end = pos + res->ie_len;
787
788         while (pos + 1 < end) {
789                 if (pos + 2 + pos[1] > end)
790                         break;
791                 if (pos[0] == ie)
792                         return pos;
793                 pos += 2 + pos[1];
794         }
795
796         return NULL;
797 }
798
799
800 static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
801         struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
802 {
803         struct wpa_scan_res *nr;
804         u8 *pos;
805
806         if (wpa_scan_get_ie(r, WLAN_EID_SSID))
807                 return r; /* SSID IE already present */
808
809         if (ssid->SsidLength == 0 || ssid->SsidLength > 32)
810                 return r; /* No valid SSID inside scan data */
811
812         nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
813         if (nr == NULL)
814                 return r;
815
816         pos = ((u8 *) (nr + 1)) + nr->ie_len;
817         *pos++ = WLAN_EID_SSID;
818         *pos++ = ssid->SsidLength;
819         os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
820         nr->ie_len += 2 + ssid->SsidLength;
821
822         return nr;
823 }
824
825
826 static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
827 {
828         struct wpa_driver_ndis_data *drv = priv;
829         NDIS_802_11_BSSID_LIST_EX *b;
830         size_t blen, count, i;
831         int len;
832         char *pos;
833         struct wpa_scan_results *results;
834         struct wpa_scan_res *r;
835
836         blen = 65535;
837         b = os_zalloc(blen);
838         if (b == NULL)
839                 return NULL;
840         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
841         if (len < 0) {
842                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
843                 os_free(b);
844                 return NULL;
845         }
846         count = b->NumberOfItems;
847
848         results = os_zalloc(sizeof(*results));
849         if (results == NULL) {
850                 os_free(b);
851                 return NULL;
852         }
853         results->res = os_calloc(count, sizeof(struct wpa_scan_res *));
854         if (results->res == NULL) {
855                 os_free(results);
856                 os_free(b);
857                 return NULL;
858         }
859
860         pos = (char *) &b->Bssid[0];
861         for (i = 0; i < count; i++) {
862                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
863                 NDIS_802_11_FIXED_IEs *fixed;
864
865                 if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
866                         wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
867                                    (int) bss->IELength);
868                         break;
869                 }
870                 if (((char *) bss->IEs) + bss->IELength  > (char *) b + blen) {
871                         /*
872                          * Some NDIS drivers have been reported to include an
873                          * entry with an invalid IELength in scan results and
874                          * this has crashed wpa_supplicant, so validate the
875                          * returned value before using it.
876                          */
877                         wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
878                                    "result IE (BSSID=" MACSTR ") IELength=%d",
879                                    MAC2STR(bss->MacAddress),
880                                    (int) bss->IELength);
881                         break;
882                 }
883
884                 r = os_zalloc(sizeof(*r) + bss->IELength -
885                               sizeof(NDIS_802_11_FIXED_IEs));
886                 if (r == NULL)
887                         break;
888
889                 os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
890                 r->level = (int) bss->Rssi;
891                 r->freq = bss->Configuration.DSConfig / 1000;
892                 fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
893                 r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
894                 r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
895                 r->tsf = WPA_GET_LE64(fixed->Timestamp);
896                 os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
897                           bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
898                 r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
899                 r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
900
901                 results->res[results->num++] = r;
902
903                 pos += bss->Length;
904                 if (pos > (char *) b + blen)
905                         break;
906         }
907
908         os_free(b);
909
910         return results;
911 }
912
913
914 static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
915                                       int key_idx, const u8 *addr,
916                                       const u8 *bssid, int pairwise)
917 {
918         NDIS_802_11_REMOVE_KEY rkey;
919         NDIS_802_11_KEY_INDEX index;
920         int res, res2;
921
922         os_memset(&rkey, 0, sizeof(rkey));
923
924         rkey.Length = sizeof(rkey);
925         rkey.KeyIndex = key_idx;
926         if (pairwise)
927                 rkey.KeyIndex |= 1 << 30;
928         os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
929
930         res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
931                            sizeof(rkey));
932         if (!pairwise) {
933                 index = key_idx;
934                 res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
935                                     (char *) &index, sizeof(index));
936         } else
937                 res2 = 0;
938
939         if (res < 0 && res2 < 0)
940                 return -1;
941         return 0;
942 }
943
944
945 static int wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data *drv,
946                                    int pairwise, int key_idx, int set_tx,
947                                    const u8 *key, size_t key_len)
948 {
949         NDIS_802_11_WEP *wep;
950         size_t len;
951         int res;
952
953         len = 12 + key_len;
954         wep = os_zalloc(len);
955         if (wep == NULL)
956                 return -1;
957         wep->Length = len;
958         wep->KeyIndex = key_idx;
959         if (set_tx)
960                 wep->KeyIndex |= 1 << 31;
961 #if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
962         if (pairwise)
963                 wep->KeyIndex |= 1 << 30;
964 #endif
965         wep->KeyLength = key_len;
966         os_memcpy(wep->KeyMaterial, key, key_len);
967
968         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
969                         (u8 *) wep, len);
970         res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
971
972         os_free(wep);
973
974         return res;
975 }
976
977
978 static int wpa_driver_ndis_set_key(const char *ifname, void *priv,
979                                    enum wpa_alg alg, const u8 *addr,
980                                    int key_idx, int set_tx,
981                                    const u8 *seq, size_t seq_len,
982                                    const u8 *key, size_t key_len)
983 {
984         struct wpa_driver_ndis_data *drv = priv;
985         size_t len, i;
986         NDIS_802_11_KEY *nkey;
987         int res, pairwise;
988         u8 bssid[ETH_ALEN];
989
990         if (addr == NULL || is_broadcast_ether_addr(addr)) {
991                 /* Group Key */
992                 pairwise = 0;
993                 if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
994                         os_memset(bssid, 0xff, ETH_ALEN);
995         } else {
996                 /* Pairwise Key */
997                 pairwise = 1;
998                 os_memcpy(bssid, addr, ETH_ALEN);
999         }
1000
1001         if (alg == WPA_ALG_NONE || key_len == 0) {
1002                 return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
1003                                                   pairwise);
1004         }
1005
1006         if (alg == WPA_ALG_WEP) {
1007                 return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
1008                                                key, key_len);
1009         }
1010
1011         len = 12 + 6 + 6 + 8 + key_len;
1012
1013         nkey = os_zalloc(len);
1014         if (nkey == NULL)
1015                 return -1;
1016
1017         nkey->Length = len;
1018         nkey->KeyIndex = key_idx;
1019         if (set_tx)
1020                 nkey->KeyIndex |= 1 << 31;
1021         if (pairwise)
1022                 nkey->KeyIndex |= 1 << 30;
1023         if (seq && seq_len)
1024                 nkey->KeyIndex |= 1 << 29;
1025         nkey->KeyLength = key_len;
1026         os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
1027         if (seq && seq_len) {
1028                 for (i = 0; i < seq_len; i++)
1029                         nkey->KeyRSC |= (ULONGLONG) seq[i] << (i * 8);
1030         }
1031         if (alg == WPA_ALG_TKIP && key_len == 32) {
1032                 os_memcpy(nkey->KeyMaterial, key, 16);
1033                 os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
1034                 os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
1035         } else {
1036                 os_memcpy(nkey->KeyMaterial, key, key_len);
1037         }
1038
1039         wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_KEY",
1040                         (u8 *) nkey, len);
1041         res = ndis_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
1042         os_free(nkey);
1043
1044         return res;
1045 }
1046
1047
1048 static int
1049 wpa_driver_ndis_associate(void *priv,
1050                           struct wpa_driver_associate_params *params)
1051 {
1052         struct wpa_driver_ndis_data *drv = priv;
1053         u32 auth_mode, encr, priv_mode, mode;
1054         u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1055
1056         drv->mode = params->mode;
1057
1058         /* Note: Setting OID_802_11_INFRASTRUCTURE_MODE clears current keys,
1059          * so static WEP keys needs to be set again after this. */
1060         if (params->mode == IEEE80211_MODE_IBSS) {
1061                 mode = Ndis802_11IBSS;
1062                 /* Need to make sure that BSSID polling is enabled for
1063                  * IBSS mode. */
1064                 eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1065                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1066                                        drv, NULL);
1067         } else
1068                 mode = Ndis802_11Infrastructure;
1069         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
1070                          (char *) &mode, sizeof(mode)) < 0) {
1071                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1072                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
1073                            (int) mode);
1074                 /* Try to continue anyway */
1075         }
1076
1077         if (params->key_mgmt_suite == WPA_KEY_MGMT_NONE ||
1078             params->key_mgmt_suite == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1079                 /* Re-set WEP keys if static WEP configuration is used. */
1080                 int i;
1081                 for (i = 0; i < 4; i++) {
1082                         if (!params->wep_key[i])
1083                                 continue;
1084                         wpa_printf(MSG_DEBUG, "NDIS: Re-setting static WEP "
1085                                    "key %d", i);
1086                         wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
1087                                                 bcast, i,
1088                                                 i == params->wep_tx_keyidx,
1089                                                 NULL, 0, params->wep_key[i],
1090                                                 params->wep_key_len[i]);
1091                 }
1092         }
1093
1094         if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
1095                 if (params->auth_alg & WPA_AUTH_ALG_SHARED) {
1096                         if (params->auth_alg & WPA_AUTH_ALG_OPEN)
1097                                 auth_mode = Ndis802_11AuthModeAutoSwitch;
1098                         else
1099                                 auth_mode = Ndis802_11AuthModeShared;
1100                 } else
1101                         auth_mode = Ndis802_11AuthModeOpen;
1102                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1103         } else if (params->wpa_ie[0] == WLAN_EID_RSN) {
1104                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1105                 if (params->key_mgmt_suite == WPA_KEY_MGMT_PSK)
1106                         auth_mode = Ndis802_11AuthModeWPA2PSK;
1107                 else
1108                         auth_mode = Ndis802_11AuthModeWPA2;
1109 #ifdef CONFIG_WPS
1110         } else if (params->key_mgmt_suite == WPA_KEY_MGMT_WPS) {
1111                 auth_mode = Ndis802_11AuthModeOpen;
1112                 priv_mode = Ndis802_11PrivFilterAcceptAll;
1113                 if (params->wps == WPS_MODE_PRIVACY) {
1114                         u8 dummy_key[5] = { 0x11, 0x22, 0x33, 0x44, 0x55 };
1115                         /*
1116                          * Some NDIS drivers refuse to associate in open mode
1117                          * configuration due to Privacy field mismatch, so use
1118                          * a workaround to make the configuration look like
1119                          * matching one for WPS provisioning.
1120                          */
1121                         wpa_printf(MSG_DEBUG, "NDIS: Set dummy WEP key as a "
1122                                    "workaround to allow driver to associate "
1123                                    "for WPS");
1124                         wpa_driver_ndis_set_key(drv->ifname, drv, WPA_ALG_WEP,
1125                                                 bcast, 0, 1,
1126                                                 NULL, 0, dummy_key,
1127                                                 sizeof(dummy_key));
1128                 }
1129 #endif /* CONFIG_WPS */
1130         } else {
1131                 priv_mode = Ndis802_11PrivFilter8021xWEP;
1132                 if (params->key_mgmt_suite == WPA_KEY_MGMT_WPA_NONE)
1133                         auth_mode = Ndis802_11AuthModeWPANone;
1134                 else if (params->key_mgmt_suite == WPA_KEY_MGMT_PSK)
1135                         auth_mode = Ndis802_11AuthModeWPAPSK;
1136                 else
1137                         auth_mode = Ndis802_11AuthModeWPA;
1138         }
1139
1140         switch (params->pairwise_suite) {
1141         case WPA_CIPHER_CCMP:
1142                 encr = Ndis802_11Encryption3Enabled;
1143                 break;
1144         case WPA_CIPHER_TKIP:
1145                 encr = Ndis802_11Encryption2Enabled;
1146                 break;
1147         case WPA_CIPHER_WEP40:
1148         case WPA_CIPHER_WEP104:
1149                 encr = Ndis802_11Encryption1Enabled;
1150                 break;
1151         case WPA_CIPHER_NONE:
1152 #ifdef CONFIG_WPS
1153                 if (params->wps == WPS_MODE_PRIVACY) {
1154                         encr = Ndis802_11Encryption1Enabled;
1155                         break;
1156                 }
1157 #endif /* CONFIG_WPS */
1158                 if (params->group_suite == WPA_CIPHER_CCMP)
1159                         encr = Ndis802_11Encryption3Enabled;
1160                 else if (params->group_suite == WPA_CIPHER_TKIP)
1161                         encr = Ndis802_11Encryption2Enabled;
1162                 else
1163                         encr = Ndis802_11EncryptionDisabled;
1164                 break;
1165         default:
1166 #ifdef CONFIG_WPS
1167                 if (params->wps == WPS_MODE_PRIVACY) {
1168                         encr = Ndis802_11Encryption1Enabled;
1169                         break;
1170                 }
1171 #endif /* CONFIG_WPS */
1172                 encr = Ndis802_11EncryptionDisabled;
1173                 break;
1174         };
1175
1176         if (ndis_set_oid(drv, OID_802_11_PRIVACY_FILTER,
1177                          (char *) &priv_mode, sizeof(priv_mode)) < 0) {
1178                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
1179                            "OID_802_11_PRIVACY_FILTER (%d)",
1180                            (int) priv_mode);
1181                 /* Try to continue anyway */
1182         }
1183
1184         ndis_set_auth_mode(drv, auth_mode);
1185         ndis_set_encr_status(drv, encr);
1186
1187         if (params->bssid) {
1188                 ndis_set_oid(drv, OID_802_11_BSSID, (char *) params->bssid,
1189                              ETH_ALEN);
1190                 drv->oid_bssid_set = 1;
1191         } else if (drv->oid_bssid_set) {
1192                 ndis_set_oid(drv, OID_802_11_BSSID, "\xff\xff\xff\xff\xff\xff",
1193                              ETH_ALEN);
1194                 drv->oid_bssid_set = 0;
1195         }
1196
1197         return wpa_driver_ndis_set_ssid(drv, params->ssid, params->ssid_len);
1198 }
1199
1200
1201 static int wpa_driver_ndis_set_pmkid(struct wpa_driver_ndis_data *drv)
1202 {
1203         int len, count, i, ret;
1204         struct ndis_pmkid_entry *entry;
1205         NDIS_802_11_PMKID *p;
1206
1207         count = 0;
1208         entry = drv->pmkid;
1209         while (entry) {
1210                 count++;
1211                 if (count >= drv->no_of_pmkid)
1212                         break;
1213                 entry = entry->next;
1214         }
1215         len = 8 + count * sizeof(BSSID_INFO);
1216         p = os_zalloc(len);
1217         if (p == NULL)
1218                 return -1;
1219
1220         p->Length = len;
1221         p->BSSIDInfoCount = count;
1222         entry = drv->pmkid;
1223         for (i = 0; i < count; i++) {
1224                 os_memcpy(&p->BSSIDInfo[i].BSSID, entry->bssid, ETH_ALEN);
1225                 os_memcpy(&p->BSSIDInfo[i].PMKID, entry->pmkid, 16);
1226                 entry = entry->next;
1227         }
1228         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID", (u8 *) p, len);
1229         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) p, len);
1230         os_free(p);
1231         return ret;
1232 }
1233
1234
1235 static int wpa_driver_ndis_add_pmkid(void *priv, const u8 *bssid,
1236                                      const u8 *pmkid)
1237 {
1238         struct wpa_driver_ndis_data *drv = priv;
1239         struct ndis_pmkid_entry *entry, *prev;
1240
1241         if (drv->no_of_pmkid == 0)
1242                 return 0;
1243
1244         prev = NULL;
1245         entry = drv->pmkid;
1246         while (entry) {
1247                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0)
1248                         break;
1249                 prev = entry;
1250                 entry = entry->next;
1251         }
1252
1253         if (entry) {
1254                 /* Replace existing entry for this BSSID and move it into the
1255                  * beginning of the list. */
1256                 os_memcpy(entry->pmkid, pmkid, 16);
1257                 if (prev) {
1258                         prev->next = entry->next;
1259                         entry->next = drv->pmkid;
1260                         drv->pmkid = entry;
1261                 }
1262         } else {
1263                 entry = os_malloc(sizeof(*entry));
1264                 if (entry) {
1265                         os_memcpy(entry->bssid, bssid, ETH_ALEN);
1266                         os_memcpy(entry->pmkid, pmkid, 16);
1267                         entry->next = drv->pmkid;
1268                         drv->pmkid = entry;
1269                 }
1270         }
1271
1272         return wpa_driver_ndis_set_pmkid(drv);
1273 }
1274
1275
1276 static int wpa_driver_ndis_remove_pmkid(void *priv, const u8 *bssid,
1277                                         const u8 *pmkid)
1278 {
1279         struct wpa_driver_ndis_data *drv = priv;
1280         struct ndis_pmkid_entry *entry, *prev;
1281
1282         if (drv->no_of_pmkid == 0)
1283                 return 0;
1284
1285         entry = drv->pmkid;
1286         prev = NULL;
1287         while (entry) {
1288                 if (os_memcmp(entry->bssid, bssid, ETH_ALEN) == 0 &&
1289                     os_memcmp(entry->pmkid, pmkid, 16) == 0) {
1290                         if (prev)
1291                                 prev->next = entry->next;
1292                         else
1293                                 drv->pmkid = entry->next;
1294                         os_free(entry);
1295                         break;
1296                 }
1297                 prev = entry;
1298                 entry = entry->next;
1299         }
1300         return wpa_driver_ndis_set_pmkid(drv);
1301 }
1302
1303
1304 static int wpa_driver_ndis_flush_pmkid(void *priv)
1305 {
1306         struct wpa_driver_ndis_data *drv = priv;
1307         NDIS_802_11_PMKID p;
1308         struct ndis_pmkid_entry *pmkid, *prev;
1309         int prev_authmode, ret;
1310
1311         if (drv->no_of_pmkid == 0)
1312                 return 0;
1313
1314         pmkid = drv->pmkid;
1315         drv->pmkid = NULL;
1316         while (pmkid) {
1317                 prev = pmkid;
1318                 pmkid = pmkid->next;
1319                 os_free(prev);
1320         }
1321
1322         /*
1323          * Some drivers may refuse OID_802_11_PMKID if authMode is not set to
1324          * WPA2, so change authMode temporarily, if needed.
1325          */
1326         prev_authmode = ndis_get_auth_mode(drv);
1327         if (prev_authmode != Ndis802_11AuthModeWPA2)
1328                 ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA2);
1329
1330         os_memset(&p, 0, sizeof(p));
1331         p.Length = 8;
1332         p.BSSIDInfoCount = 0;
1333         wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
1334                     (u8 *) &p, 8);
1335         ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
1336
1337         if (prev_authmode != Ndis802_11AuthModeWPA2)
1338                 ndis_set_auth_mode(drv, prev_authmode);
1339
1340         return ret;
1341 }
1342
1343
1344 static int wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data *drv)
1345 {
1346         char buf[512], *pos;
1347         NDIS_802_11_ASSOCIATION_INFORMATION *ai;
1348         int len;
1349         union wpa_event_data data;
1350         NDIS_802_11_BSSID_LIST_EX *b;
1351         size_t blen, i;
1352
1353         len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION, buf,
1354                            sizeof(buf));
1355         if (len < 0) {
1356                 wpa_printf(MSG_DEBUG, "NDIS: failed to get association "
1357                            "information");
1358                 return -1;
1359         }
1360         if (len > sizeof(buf)) {
1361                 /* Some drivers seem to be producing incorrect length for this
1362                  * data. Limit the length to the current buffer size to avoid
1363                  * crashing in hexdump. The data seems to be otherwise valid,
1364                  * so better try to use it. */
1365                 wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association "
1366                            "information length %d", len);
1367                 len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION,
1368                                    buf, sizeof(buf));
1369                 if (len < -1) {
1370                         wpa_printf(MSG_DEBUG, "NDIS: re-reading association "
1371                                    "information failed");
1372                         return -1;
1373                 }
1374                 if (len > sizeof(buf)) {
1375                         wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association"
1376                                    " information length %d (re-read)", len);
1377                         len = sizeof(buf);
1378                 }
1379         }
1380         wpa_hexdump(MSG_MSGDUMP, "NDIS: association information",
1381                     (u8 *) buf, len);
1382         if (len < sizeof(*ai)) {
1383                 wpa_printf(MSG_DEBUG, "NDIS: too short association "
1384                            "information");
1385                 return -1;
1386         }
1387         ai = (NDIS_802_11_ASSOCIATION_INFORMATION *) buf;
1388         wpa_printf(MSG_DEBUG, "NDIS: ReqFixed=0x%x RespFixed=0x%x off_req=%d "
1389                    "off_resp=%d len_req=%d len_resp=%d",
1390                    ai->AvailableRequestFixedIEs, ai->AvailableResponseFixedIEs,
1391                    (int) ai->OffsetRequestIEs, (int) ai->OffsetResponseIEs,
1392                    (int) ai->RequestIELength, (int) ai->ResponseIELength);
1393
1394         if (ai->OffsetRequestIEs + ai->RequestIELength > (unsigned) len ||
1395             ai->OffsetResponseIEs + ai->ResponseIELength > (unsigned) len) {
1396                 wpa_printf(MSG_DEBUG, "NDIS: association information - "
1397                            "IE overflow");
1398                 return -1;
1399         }
1400
1401         wpa_hexdump(MSG_MSGDUMP, "NDIS: Request IEs",
1402                     (u8 *) buf + ai->OffsetRequestIEs, ai->RequestIELength);
1403         wpa_hexdump(MSG_MSGDUMP, "NDIS: Response IEs",
1404                     (u8 *) buf + ai->OffsetResponseIEs, ai->ResponseIELength);
1405
1406         os_memset(&data, 0, sizeof(data));
1407         data.assoc_info.req_ies = (u8 *) buf + ai->OffsetRequestIEs;
1408         data.assoc_info.req_ies_len = ai->RequestIELength;
1409         data.assoc_info.resp_ies = (u8 *) buf + ai->OffsetResponseIEs;
1410         data.assoc_info.resp_ies_len = ai->ResponseIELength;
1411
1412         blen = 65535;
1413         b = os_zalloc(blen);
1414         if (b == NULL)
1415                 goto skip_scan_results;
1416         len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
1417         if (len < 0) {
1418                 wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
1419                 os_free(b);
1420                 b = NULL;
1421                 goto skip_scan_results;
1422         }
1423         wpa_printf(MSG_DEBUG, "NDIS: %d BSSID items to process for AssocInfo",
1424                    (unsigned int) b->NumberOfItems);
1425
1426         pos = (char *) &b->Bssid[0];
1427         for (i = 0; i < b->NumberOfItems; i++) {
1428                 NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
1429                 if (os_memcmp(drv->bssid, bss->MacAddress, ETH_ALEN) == 0 &&
1430                     bss->IELength > sizeof(NDIS_802_11_FIXED_IEs)) {
1431                         data.assoc_info.beacon_ies =
1432                                 ((u8 *) bss->IEs) +
1433                                 sizeof(NDIS_802_11_FIXED_IEs);
1434                         data.assoc_info.beacon_ies_len =
1435                                 bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
1436                         wpa_hexdump(MSG_MSGDUMP, "NDIS: Beacon IEs",
1437                                     data.assoc_info.beacon_ies,
1438                                     data.assoc_info.beacon_ies_len);
1439                         break;
1440                 }
1441                 pos += bss->Length;
1442                 if (pos > (char *) b + blen)
1443                         break;
1444         }
1445
1446 skip_scan_results:
1447         wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
1448
1449         os_free(b);
1450
1451         return 0;
1452 }
1453
1454
1455 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx)
1456 {
1457         struct wpa_driver_ndis_data *drv = eloop_ctx;
1458         u8 bssid[ETH_ALEN];
1459         int poll;
1460
1461         if (drv->wired)
1462                 return;
1463
1464         if (wpa_driver_ndis_get_bssid(drv, bssid)) {
1465                 /* Disconnected */
1466                 if (!is_zero_ether_addr(drv->bssid)) {
1467                         os_memset(drv->bssid, 0, ETH_ALEN);
1468                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1469                 }
1470         } else {
1471                 /* Connected */
1472                 if (os_memcmp(drv->bssid, bssid, ETH_ALEN) != 0) {
1473                         os_memcpy(drv->bssid, bssid, ETH_ALEN);
1474                         wpa_driver_ndis_get_associnfo(drv);
1475                         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1476                 }
1477         }
1478
1479         /* When using integrated NDIS event receiver, we can skip BSSID
1480          * polling when using infrastructure network. However, when using
1481          * IBSS mode, many driver do not seem to generate connection event,
1482          * so we need to enable BSSID polling to figure out when IBSS network
1483          * has been formed.
1484          */
1485         poll = drv->mode == IEEE80211_MODE_IBSS;
1486 #ifndef CONFIG_NDIS_EVENTS_INTEGRATED
1487 #ifndef _WIN32_WCE
1488         poll = 1;
1489 #endif /* _WIN32_WCE */
1490 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
1491
1492         if (poll) {
1493                 eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1494                                         drv, NULL);
1495         }
1496 }
1497
1498
1499 static void wpa_driver_ndis_poll(void *priv)
1500 {
1501         struct wpa_driver_ndis_data *drv = priv;
1502         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1503         wpa_driver_ndis_poll_timeout(drv, NULL);
1504 }
1505
1506
1507 /* Called when driver generates Media Connect Event by calling
1508  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_CONNECT */
1509 void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv)
1510 {
1511         wpa_printf(MSG_DEBUG, "NDIS: Media Connect Event");
1512         if (wpa_driver_ndis_get_bssid(drv, drv->bssid) == 0) {
1513                 wpa_driver_ndis_get_associnfo(drv);
1514                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1515         }
1516 }
1517
1518
1519 /* Called when driver generates Media Disconnect Event by calling
1520  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_DISCONNECT */
1521 void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv)
1522 {
1523         wpa_printf(MSG_DEBUG, "NDIS: Media Disconnect Event");
1524         os_memset(drv->bssid, 0, ETH_ALEN);
1525         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1526 }
1527
1528
1529 static void wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data *drv,
1530                                        const u8 *data, size_t data_len)
1531 {
1532         NDIS_802_11_AUTHENTICATION_REQUEST *req;
1533         int pairwise = 0, group = 0;
1534         union wpa_event_data event;
1535
1536         if (data_len < sizeof(*req)) {
1537                 wpa_printf(MSG_DEBUG, "NDIS: Too short Authentication Request "
1538                            "Event (len=%d)", data_len);
1539                 return;
1540         }
1541         req = (NDIS_802_11_AUTHENTICATION_REQUEST *) data;
1542
1543         wpa_printf(MSG_DEBUG, "NDIS: Authentication Request Event: "
1544                    "Bssid " MACSTR " Flags 0x%x",
1545                    MAC2STR(req->Bssid), (int) req->Flags);
1546
1547         if ((req->Flags & NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR) ==
1548             NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR)
1549                 pairwise = 1;
1550         else if ((req->Flags & NDIS_802_11_AUTH_REQUEST_GROUP_ERROR) ==
1551             NDIS_802_11_AUTH_REQUEST_GROUP_ERROR)
1552                 group = 1;
1553
1554         if (pairwise || group) {
1555                 os_memset(&event, 0, sizeof(event));
1556                 event.michael_mic_failure.unicast = pairwise;
1557                 wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE,
1558                                      &event);
1559         }
1560 }
1561
1562
1563 static void wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data *drv,
1564                                         const u8 *data, size_t data_len)
1565 {
1566         NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
1567         size_t i;
1568         union wpa_event_data event;
1569
1570         if (data_len < 8) {
1571                 wpa_printf(MSG_DEBUG, "NDIS: Too short PMKID Candidate List "
1572                            "Event (len=%d)", data_len);
1573                 return;
1574         }
1575         pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
1576         wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List Event - Version %d "
1577                    "NumCandidates %d",
1578                    (int) pmkid->Version, (int) pmkid->NumCandidates);
1579
1580         if (pmkid->Version != 1) {
1581                 wpa_printf(MSG_DEBUG, "NDIS: Unsupported PMKID Candidate List "
1582                            "Version %d", (int) pmkid->Version);
1583                 return;
1584         }
1585
1586         if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
1587                 wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List underflow");
1588                 return;
1589         }
1590
1591         os_memset(&event, 0, sizeof(event));
1592         for (i = 0; i < pmkid->NumCandidates; i++) {
1593                 PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
1594                 wpa_printf(MSG_DEBUG, "NDIS: %d: " MACSTR " Flags 0x%x",
1595                            i, MAC2STR(p->BSSID), (int) p->Flags);
1596                 os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
1597                 event.pmkid_candidate.index = i;
1598                 event.pmkid_candidate.preauth =
1599                         p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
1600                 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
1601                                      &event);
1602         }
1603 }
1604
1605
1606 /* Called when driver calls NdisMIndicateStatus() with
1607  * NDIS_STATUS_MEDIA_SPECIFIC_INDICATION */
1608 void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
1609                                           const u8 *data, size_t data_len)
1610 {
1611         NDIS_802_11_STATUS_INDICATION *status;
1612
1613         if (data == NULL || data_len < sizeof(*status))
1614                 return;
1615
1616         wpa_hexdump(MSG_DEBUG, "NDIS: Media Specific Indication",
1617                     data, data_len);
1618
1619         status = (NDIS_802_11_STATUS_INDICATION *) data;
1620         data += sizeof(status);
1621         data_len -= sizeof(status);
1622
1623         switch (status->StatusType) {
1624         case Ndis802_11StatusType_Authentication:
1625                 wpa_driver_ndis_event_auth(drv, data, data_len);
1626                 break;
1627         case Ndis802_11StatusType_PMKID_CandidateList:
1628                 wpa_driver_ndis_event_pmkid(drv, data, data_len);
1629                 break;
1630         default:
1631                 wpa_printf(MSG_DEBUG, "NDIS: Unknown StatusType %d",
1632                            (int) status->StatusType);
1633                 break;
1634         }
1635 }
1636
1637
1638 /* Called when an adapter is added */
1639 void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv)
1640 {
1641         union wpa_event_data event;
1642         int i;
1643
1644         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Arrival");
1645
1646         for (i = 0; i < 30; i++) {
1647                 /* Re-open Packet32/NDISUIO connection */
1648                 wpa_driver_ndis_adapter_close(drv);
1649                 if (wpa_driver_ndis_adapter_init(drv) < 0 ||
1650                     wpa_driver_ndis_adapter_open(drv) < 0) {
1651                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialization "
1652                                    "(%d) failed", i);
1653                         os_sleep(1, 0);
1654                 } else {
1655                         wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialized");
1656                         break;
1657                 }
1658         }
1659
1660         os_memset(&event, 0, sizeof(event));
1661         os_strlcpy(event.interface_status.ifname, drv->ifname,
1662                    sizeof(event.interface_status.ifname));
1663         event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1664         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1665 }
1666
1667
1668 /* Called when an adapter is removed */
1669 void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv)
1670 {
1671         union wpa_event_data event;
1672
1673         wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Removal");
1674         os_memset(&event, 0, sizeof(event));
1675         os_strlcpy(event.interface_status.ifname, drv->ifname,
1676                    sizeof(event.interface_status.ifname));
1677         event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1678         wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1679 }
1680
1681
1682 static void
1683 wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data *drv)
1684 {
1685         wpa_printf(MSG_DEBUG, "NDIS: verifying driver WPA capability");
1686
1687         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA) == 0 &&
1688             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPA) {
1689                 wpa_printf(MSG_DEBUG, "NDIS: WPA key management supported");
1690                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1691         }
1692
1693         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPAPSK) == 0 &&
1694             ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPAPSK) {
1695                 wpa_printf(MSG_DEBUG, "NDIS: WPA-PSK key management "
1696                            "supported");
1697                 drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1698         }
1699
1700         if (ndis_set_encr_status(drv, Ndis802_11Encryption3Enabled) == 0 &&
1701             ndis_get_encr_status(drv) == Ndis802_11Encryption3KeyAbsent) {
1702                 wpa_printf(MSG_DEBUG, "NDIS: CCMP encryption supported");
1703                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1704         }
1705
1706         if (ndis_set_encr_status(drv, Ndis802_11Encryption2Enabled) == 0 &&
1707             ndis_get_encr_status(drv) == Ndis802_11Encryption2KeyAbsent) {
1708                 wpa_printf(MSG_DEBUG, "NDIS: TKIP encryption supported");
1709                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1710         }
1711
1712         if (ndis_set_encr_status(drv, Ndis802_11Encryption1Enabled) == 0 &&
1713             ndis_get_encr_status(drv) == Ndis802_11Encryption1KeyAbsent) {
1714                 wpa_printf(MSG_DEBUG, "NDIS: WEP encryption supported");
1715                 drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1716                         WPA_DRIVER_CAPA_ENC_WEP104;
1717         }
1718
1719         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeShared) == 0 &&
1720             ndis_get_auth_mode(drv) == Ndis802_11AuthModeShared) {
1721                 drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1722         }
1723
1724         if (ndis_set_auth_mode(drv, Ndis802_11AuthModeOpen) == 0 &&
1725             ndis_get_auth_mode(drv) == Ndis802_11AuthModeOpen) {
1726                 drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1727         }
1728
1729         ndis_set_encr_status(drv, Ndis802_11EncryptionDisabled);
1730
1731         /* Could also verify OID_802_11_ADD_KEY error reporting and
1732          * support for OID_802_11_ASSOCIATION_INFORMATION. */
1733
1734         if (drv->capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA &&
1735             drv->capa.enc & (WPA_DRIVER_CAPA_ENC_TKIP |
1736                              WPA_DRIVER_CAPA_ENC_CCMP)) {
1737                 wpa_printf(MSG_DEBUG, "NDIS: driver supports WPA");
1738                 drv->has_capability = 1;
1739         } else {
1740                 wpa_printf(MSG_DEBUG, "NDIS: no WPA support found");
1741         }
1742
1743         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1744                    "enc 0x%x auth 0x%x",
1745                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1746 }
1747
1748
1749 static void wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data *drv)
1750 {
1751         char buf[512];
1752         int len;
1753         size_t i;
1754         NDIS_802_11_CAPABILITY *c;
1755
1756         drv->capa.flags = WPA_DRIVER_FLAGS_DRIVER_IE;
1757
1758         len = ndis_get_oid(drv, OID_802_11_CAPABILITY, buf, sizeof(buf));
1759         if (len < 0) {
1760                 wpa_driver_ndis_get_wpa_capability(drv);
1761                 return;
1762         }
1763
1764         wpa_hexdump(MSG_MSGDUMP, "OID_802_11_CAPABILITY", (u8 *) buf, len);
1765         c = (NDIS_802_11_CAPABILITY *) buf;
1766         if (len < sizeof(*c) || c->Version != 2) {
1767                 wpa_printf(MSG_DEBUG, "NDIS: unsupported "
1768                            "OID_802_11_CAPABILITY data");
1769                 return;
1770         }
1771         wpa_printf(MSG_DEBUG, "NDIS: Driver supports OID_802_11_CAPABILITY - "
1772                    "NoOfPMKIDs %d NoOfAuthEncrPairs %d",
1773                    (int) c->NoOfPMKIDs,
1774                    (int) c->NoOfAuthEncryptPairsSupported);
1775         drv->has_capability = 1;
1776         drv->no_of_pmkid = c->NoOfPMKIDs;
1777         for (i = 0; i < c->NoOfAuthEncryptPairsSupported; i++) {
1778                 NDIS_802_11_AUTHENTICATION_ENCRYPTION *ae;
1779                 ae = &c->AuthenticationEncryptionSupported[i];
1780                 if ((char *) (ae + 1) > buf + len) {
1781                         wpa_printf(MSG_DEBUG, "NDIS: auth/encr pair list "
1782                                    "overflow");
1783                         break;
1784                 }
1785                 wpa_printf(MSG_MSGDUMP, "NDIS: %d - auth %d encr %d",
1786                            i, (int) ae->AuthModeSupported,
1787                            (int) ae->EncryptStatusSupported);
1788                 switch (ae->AuthModeSupported) {
1789                 case Ndis802_11AuthModeOpen:
1790                         drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1791                         break;
1792                 case Ndis802_11AuthModeShared:
1793                         drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1794                         break;
1795                 case Ndis802_11AuthModeWPA:
1796                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1797                         break;
1798                 case Ndis802_11AuthModeWPAPSK:
1799                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1800                         break;
1801                 case Ndis802_11AuthModeWPA2:
1802                         drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
1803                         break;
1804                 case Ndis802_11AuthModeWPA2PSK:
1805                         drv->capa.key_mgmt |=
1806                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1807                         break;
1808                 case Ndis802_11AuthModeWPANone:
1809                         drv->capa.key_mgmt |=
1810                                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
1811                         break;
1812                 default:
1813                         break;
1814                 }
1815                 switch (ae->EncryptStatusSupported) {
1816                 case Ndis802_11Encryption1Enabled:
1817                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40;
1818                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP104;
1819                         break;
1820                 case Ndis802_11Encryption2Enabled:
1821                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1822                         break;
1823                 case Ndis802_11Encryption3Enabled:
1824                         drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1825                         break;
1826                 default:
1827                         break;
1828                 }
1829         }
1830
1831         wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1832                    "enc 0x%x auth 0x%x",
1833                    drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1834 }
1835
1836
1837 static int wpa_driver_ndis_get_capa(void *priv, struct wpa_driver_capa *capa)
1838 {
1839         struct wpa_driver_ndis_data *drv = priv;
1840         if (!drv->has_capability)
1841                 return -1;
1842         os_memcpy(capa, &drv->capa, sizeof(*capa));
1843         return 0;
1844 }
1845
1846
1847 static const char * wpa_driver_ndis_get_ifname(void *priv)
1848 {
1849         struct wpa_driver_ndis_data *drv = priv;
1850         return drv->ifname;
1851 }
1852
1853
1854 static const u8 * wpa_driver_ndis_get_mac_addr(void *priv)
1855 {
1856         struct wpa_driver_ndis_data *drv = priv;
1857         return drv->own_addr;
1858 }
1859
1860
1861 #ifdef _WIN32_WCE
1862
1863 #define NDISUIO_MSG_SIZE (sizeof(NDISUIO_DEVICE_NOTIFICATION) + 512)
1864
1865 static void ndisuio_notification_receive(void *eloop_data, void *user_ctx)
1866 {
1867         struct wpa_driver_ndis_data *drv = eloop_data;
1868         NDISUIO_DEVICE_NOTIFICATION *hdr;
1869         u8 buf[NDISUIO_MSG_SIZE];
1870         DWORD len, flags;
1871
1872         if (!ReadMsgQueue(drv->event_queue, buf, NDISUIO_MSG_SIZE, &len, 0,
1873                           &flags)) {
1874                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1875                            "ReadMsgQueue failed: %d", (int) GetLastError());
1876                 return;
1877         }
1878
1879         if (len < sizeof(NDISUIO_DEVICE_NOTIFICATION)) {
1880                 wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1881                            "Too short message (len=%d)", (int) len);
1882                 return;
1883         }
1884
1885         hdr = (NDISUIO_DEVICE_NOTIFICATION *) buf;
1886         wpa_printf(MSG_DEBUG, "NDIS: Notification received: len=%d type=0x%x",
1887                    (int) len, hdr->dwNotificationType);
1888
1889         switch (hdr->dwNotificationType) {
1890 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1891         case NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL:
1892                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_ARRIVAL");
1893                 wpa_driver_ndis_event_adapter_arrival(drv);
1894                 break;
1895 #endif
1896 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1897         case NDISUIO_NOTIFICATION_ADAPTER_REMOVAL:
1898                 wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_REMOVAL");
1899                 wpa_driver_ndis_event_adapter_removal(drv);
1900                 break;
1901 #endif
1902         case NDISUIO_NOTIFICATION_MEDIA_CONNECT:
1903                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_CONNECT");
1904                 SetEvent(drv->connected_event);
1905                 wpa_driver_ndis_event_connect(drv);
1906                 break;
1907         case NDISUIO_NOTIFICATION_MEDIA_DISCONNECT:
1908                 ResetEvent(drv->connected_event);
1909                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_DISCONNECT");
1910                 wpa_driver_ndis_event_disconnect(drv);
1911                 break;
1912         case NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION:
1913                 wpa_printf(MSG_DEBUG, "NDIS: MEDIA_SPECIFIC_NOTIFICATION");
1914 #if _WIN32_WCE == 420 || _WIN32_WCE == 0x420
1915                 wpa_driver_ndis_event_media_specific(
1916                         drv, hdr->pvStatusBuffer, hdr->uiStatusBufferSize);
1917 #else
1918                 wpa_driver_ndis_event_media_specific(
1919                         drv, ((const u8 *) hdr) + hdr->uiOffsetToStatusBuffer,
1920                         (size_t) hdr->uiStatusBufferSize);
1921 #endif
1922                 break;
1923         default:
1924                 wpa_printf(MSG_DEBUG, "NDIS: Unknown notification type 0x%x",
1925                            hdr->dwNotificationType);
1926                 break;
1927         }
1928 }
1929
1930
1931 static void ndisuio_notification_deinit(struct wpa_driver_ndis_data *drv)
1932 {
1933         NDISUIO_REQUEST_NOTIFICATION req;
1934
1935         memset(&req, 0, sizeof(req));
1936         req.hMsgQueue = drv->event_queue;
1937         req.dwNotificationTypes = 0;
1938
1939         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1940                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
1941                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1942                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1943                            (int) GetLastError());
1944         }
1945
1946         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_CANCEL_NOTIFICATION,
1947                              NULL, 0, NULL, 0, NULL, NULL)) {
1948                 wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1949                            "IOCTL_NDISUIO_CANCEL_NOTIFICATION failed: %d",
1950                            (int) GetLastError());
1951         }
1952
1953         if (drv->event_queue) {
1954                 eloop_unregister_event(drv->event_queue,
1955                                        sizeof(drv->event_queue));
1956                 CloseHandle(drv->event_queue);
1957                 drv->event_queue = NULL;
1958         }
1959
1960         if (drv->connected_event) {
1961                 CloseHandle(drv->connected_event);
1962                 drv->connected_event = NULL;
1963         }
1964 }
1965
1966
1967 static int ndisuio_notification_init(struct wpa_driver_ndis_data *drv)
1968 {
1969         MSGQUEUEOPTIONS opt;
1970         NDISUIO_REQUEST_NOTIFICATION req;
1971
1972         drv->connected_event =
1973                 CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
1974         if (drv->connected_event == NULL) {
1975                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1976                            "CreateEvent failed: %d",
1977                            (int) GetLastError());
1978                 return -1;
1979         }
1980
1981         memset(&opt, 0, sizeof(opt));
1982         opt.dwSize = sizeof(opt);
1983         opt.dwMaxMessages = 5;
1984         opt.cbMaxMessage = NDISUIO_MSG_SIZE;
1985         opt.bReadAccess = TRUE;
1986
1987         drv->event_queue = CreateMsgQueue(NULL, &opt);
1988         if (drv->event_queue == NULL) {
1989                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1990                            "CreateMsgQueue failed: %d",
1991                            (int) GetLastError());
1992                 ndisuio_notification_deinit(drv);
1993                 return -1;
1994         }
1995
1996         memset(&req, 0, sizeof(req));
1997         req.hMsgQueue = drv->event_queue;
1998         req.dwNotificationTypes =
1999 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
2000                 NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL |
2001 #endif
2002 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
2003                 NDISUIO_NOTIFICATION_ADAPTER_REMOVAL |
2004 #endif
2005                 NDISUIO_NOTIFICATION_MEDIA_CONNECT |
2006                 NDISUIO_NOTIFICATION_MEDIA_DISCONNECT |
2007                 NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION;
2008
2009         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
2010                              &req, sizeof(req), NULL, 0, NULL, NULL)) {
2011                 wpa_printf(MSG_INFO, "ndisuio_notification_init: "
2012                            "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
2013                            (int) GetLastError());
2014                 ndisuio_notification_deinit(drv);
2015                 return -1;
2016         }
2017
2018         eloop_register_event(drv->event_queue, sizeof(drv->event_queue),
2019                              ndisuio_notification_receive, drv, NULL);
2020
2021         return 0;
2022 }
2023 #endif /* _WIN32_WCE */
2024
2025
2026 static int wpa_driver_ndis_get_names(struct wpa_driver_ndis_data *drv)
2027 {
2028 #ifdef CONFIG_USE_NDISUIO
2029         NDISUIO_QUERY_BINDING *b;
2030         size_t blen = sizeof(*b) + 1024;
2031         int i, error, found = 0;
2032         DWORD written;
2033         char name[256], desc[256], *dpos;
2034         WCHAR *pos;
2035         size_t j, len, dlen;
2036
2037         b = os_malloc(blen);
2038         if (b == NULL)
2039                 return -1;
2040
2041         for (i = 0; ; i++) {
2042                 os_memset(b, 0, blen);
2043                 b->BindingIndex = i;
2044                 if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
2045                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
2046                                      &written, NULL)) {
2047                         error = (int) GetLastError();
2048                         if (error == ERROR_NO_MORE_ITEMS)
2049                                 break;
2050                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
2051                                    "failed: %d", error);
2052                         break;
2053                 }
2054
2055                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
2056                 len = b->DeviceNameLength;
2057                 if (len >= sizeof(name))
2058                         len = sizeof(name) - 1;
2059                 for (j = 0; j < len; j++)
2060                         name[j] = (char) pos[j];
2061                 name[len] = '\0';
2062
2063                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
2064                 len = b->DeviceDescrLength;
2065                 if (len >= sizeof(desc))
2066                         len = sizeof(desc) - 1;
2067                 for (j = 0; j < len; j++)
2068                         desc[j] = (char) pos[j];
2069                 desc[len] = '\0';
2070
2071                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
2072
2073                 if (os_strstr(name, drv->ifname)) {
2074                         wpa_printf(MSG_DEBUG, "NDIS: Interface name match");
2075                         found = 1;
2076                         break;
2077                 }
2078
2079                 if (os_strncmp(desc, drv->ifname, os_strlen(drv->ifname)) == 0)
2080                 {
2081                         wpa_printf(MSG_DEBUG, "NDIS: Interface description "
2082                                    "match");
2083                         found = 1;
2084                         break;
2085                 }
2086         }
2087
2088         if (!found) {
2089                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2090                            drv->ifname);
2091                 os_free(b);
2092                 return -1;
2093         }
2094
2095         os_strlcpy(drv->ifname,
2096                    os_strncmp(name, "\\DEVICE\\", 8) == 0 ? name + 8 : name,
2097                    sizeof(drv->ifname));
2098 #ifdef _WIN32_WCE
2099         drv->adapter_name = wpa_strdup_tchar(drv->ifname);
2100         if (drv->adapter_name == NULL) {
2101                 wpa_printf(MSG_ERROR, "NDIS: Failed to allocate memory for "
2102                            "adapter name");
2103                 os_free(b);
2104                 return -1;
2105         }
2106 #endif /* _WIN32_WCE */
2107
2108         dpos = os_strstr(desc, " - ");
2109         if (dpos)
2110                 dlen = dpos - desc;
2111         else
2112                 dlen = os_strlen(desc);
2113         drv->adapter_desc = dup_binstr(desc, dlen);
2114         os_free(b);
2115         if (drv->adapter_desc == NULL)
2116                 return -1;
2117
2118         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2119                    drv->adapter_desc);
2120
2121         return 0;
2122 #else /* CONFIG_USE_NDISUIO */
2123         PTSTR _names;
2124         char *names, *pos, *pos2;
2125         ULONG len;
2126         BOOLEAN res;
2127 #define MAX_ADAPTERS 32
2128         char *name[MAX_ADAPTERS];
2129         char *desc[MAX_ADAPTERS];
2130         int num_name, num_desc, i, found_name, found_desc;
2131         size_t dlen;
2132
2133         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
2134                    PacketGetVersion());
2135
2136         len = 8192;
2137         _names = os_zalloc(len);
2138         if (_names == NULL)
2139                 return -1;
2140
2141         res = PacketGetAdapterNames(_names, &len);
2142         if (!res && len > 8192) {
2143                 os_free(_names);
2144                 _names = os_zalloc(len);
2145                 if (_names == NULL)
2146                         return -1;
2147                 res = PacketGetAdapterNames(_names, &len);
2148         }
2149
2150         if (!res) {
2151                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
2152                            "(PacketGetAdapterNames)");
2153                 os_free(_names);
2154                 return -1;
2155         }
2156
2157         names = (char *) _names;
2158         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
2159                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
2160                            "UNICODE");
2161                 /* Convert to ASCII */
2162                 pos2 = pos = names;
2163                 while (pos2 < names + len) {
2164                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
2165                             pos2[2] == '\0' && pos2[3] == '\0') {
2166                                 pos2 += 4;
2167                                 break;
2168                         }
2169                         *pos++ = pos2[0];
2170                         pos2 += 2;
2171                 }
2172                 os_memcpy(pos + 2, names, pos - names);
2173                 pos += 2;
2174         } else
2175                 pos = names;
2176
2177         num_name = 0;
2178         while (pos < names + len) {
2179                 name[num_name] = pos;
2180                 while (*pos && pos < names + len)
2181                         pos++;
2182                 if (pos + 1 >= names + len) {
2183                         os_free(names);
2184                         return -1;
2185                 }
2186                 pos++;
2187                 num_name++;
2188                 if (num_name >= MAX_ADAPTERS) {
2189                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
2190                         os_free(names);
2191                         return -1;
2192                 }
2193                 if (*pos == '\0') {
2194                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
2195                                    num_name);
2196                         pos++;
2197                         break;
2198                 }
2199         }
2200
2201         num_desc = 0;
2202         while (pos < names + len) {
2203                 desc[num_desc] = pos;
2204                 while (*pos && pos < names + len)
2205                         pos++;
2206                 if (pos + 1 >= names + len) {
2207                         os_free(names);
2208                         return -1;
2209                 }
2210                 pos++;
2211                 num_desc++;
2212                 if (num_desc >= MAX_ADAPTERS) {
2213                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
2214                                    "descriptions");
2215                         os_free(names);
2216                         return -1;
2217                 }
2218                 if (*pos == '\0') {
2219                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
2220                                    "found", num_name);
2221                         pos++;
2222                         break;
2223                 }
2224         }
2225
2226         /*
2227          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
2228          * descriptions. Fill in dummy descriptors to work around this.
2229          */
2230         while (num_desc < num_name)
2231                 desc[num_desc++] = "dummy description";
2232
2233         if (num_name != num_desc) {
2234                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
2235                            "description counts (%d != %d)",
2236                            num_name, num_desc);
2237                 os_free(names);
2238                 return -1;
2239         }
2240
2241         found_name = found_desc = -1;
2242         for (i = 0; i < num_name; i++) {
2243                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s",
2244                            i, name[i], desc[i]);
2245                 if (found_name == -1 && os_strstr(name[i], drv->ifname))
2246                         found_name = i;
2247                 if (found_desc == -1 &&
2248                     os_strncmp(desc[i], drv->ifname, os_strlen(drv->ifname)) ==
2249                     0)
2250                         found_desc = i;
2251         }
2252
2253         if (found_name < 0 && found_desc >= 0) {
2254                 wpa_printf(MSG_DEBUG, "NDIS: Matched interface '%s' based on "
2255                            "description '%s'",
2256                            name[found_desc], desc[found_desc]);
2257                 found_name = found_desc;
2258                 os_strlcpy(drv->ifname,
2259                            os_strncmp(name[found_desc], "\\Device\\NPF_", 12)
2260                            == 0 ? name[found_desc] + 12 : name[found_desc],
2261                            sizeof(drv->ifname));
2262         }
2263
2264         if (found_name < 0) {
2265                 wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2266                            drv->ifname);
2267                 os_free(names);
2268                 return -1;
2269         }
2270
2271         i = found_name;
2272         pos = os_strrchr(desc[i], '(');
2273         if (pos) {
2274                 dlen = pos - desc[i];
2275                 pos--;
2276                 if (pos > desc[i] && *pos == ' ')
2277                         dlen--;
2278         } else {
2279                 dlen = os_strlen(desc[i]);
2280         }
2281         drv->adapter_desc = dup_binstr(desc[i], dlen);
2282         os_free(names);
2283         if (drv->adapter_desc == NULL)
2284                 return -1;
2285
2286         wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2287                    drv->adapter_desc);
2288
2289         return 0;
2290 #endif /* CONFIG_USE_NDISUIO */
2291 }
2292
2293
2294 #if defined(CONFIG_NATIVE_WINDOWS) || defined(__CYGWIN__)
2295 #ifndef _WIN32_WCE
2296 /*
2297  * These structures are undocumented for WinXP; only WinCE version is
2298  * documented. These would be included wzcsapi.h if it were available. Some
2299  * changes here have been needed to make the structures match with WinXP SP2.
2300  * It is unclear whether these work with any other version.
2301  */
2302
2303 typedef struct {
2304         LPWSTR wszGuid;
2305 } INTF_KEY_ENTRY, *PINTF_KEY_ENTRY;
2306
2307 typedef struct {
2308         DWORD dwNumIntfs;
2309         PINTF_KEY_ENTRY pIntfs;
2310 } INTFS_KEY_TABLE, *PINTFS_KEY_TABLE;
2311
2312 typedef struct {
2313         DWORD dwDataLen;
2314         LPBYTE pData;
2315 } RAW_DATA, *PRAW_DATA;
2316
2317 typedef struct {
2318         LPWSTR wszGuid;
2319         LPWSTR wszDescr;
2320         ULONG ulMediaState;
2321         ULONG ulMediaType;
2322         ULONG ulPhysicalMediaType;
2323         INT nInfraMode;
2324         INT nAuthMode;
2325         INT nWepStatus;
2326 #ifndef _WIN32_WCE
2327         u8 pad[2]; /* why is this needed? */
2328 #endif /* _WIN32_WCE */
2329         DWORD dwCtlFlags;
2330         DWORD dwCapabilities; /* something added for WinXP SP2(?) */
2331         RAW_DATA rdSSID;
2332         RAW_DATA rdBSSID;
2333         RAW_DATA rdBSSIDList;
2334         RAW_DATA rdStSSIDList;
2335         RAW_DATA rdCtrlData;
2336 #ifdef UNDER_CE
2337         BOOL bInitialized;
2338 #endif
2339         DWORD nWPAMCastCipher;
2340         /* add some extra buffer for later additions since this interface is
2341          * far from stable */
2342         u8 later_additions[100];
2343 } INTF_ENTRY, *PINTF_ENTRY;
2344
2345 #define INTF_ALL 0xffffffff
2346 #define INTF_ALL_FLAGS 0x0000ffff
2347 #define INTF_CTLFLAGS 0x00000010
2348 #define INTFCTL_ENABLED 0x8000
2349 #endif /* _WIN32_WCE */
2350
2351
2352 #ifdef _WIN32_WCE
2353 static int wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data *drv)
2354 {
2355         HANDLE ndis;
2356         TCHAR multi[100];
2357         int len;
2358
2359         len = _tcslen(drv->adapter_name);
2360         if (len > 80)
2361                 return -1;
2362
2363         ndis = CreateFile(DD_NDIS_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE,
2364                           0, NULL, OPEN_EXISTING, 0, NULL);
2365         if (ndis == INVALID_HANDLE_VALUE) {
2366                 wpa_printf(MSG_DEBUG, "NDIS: Failed to open file to NDIS "
2367                            "device: %d", (int) GetLastError());
2368                 return -1;
2369         }
2370
2371         len++;
2372         memcpy(multi, drv->adapter_name, len * sizeof(TCHAR));
2373         memcpy(&multi[len], TEXT("NDISUIO\0"), 9 * sizeof(TCHAR));
2374         len += 9;
2375
2376         if (!DeviceIoControl(ndis, IOCTL_NDIS_REBIND_ADAPTER,
2377                              multi, len * sizeof(TCHAR), NULL, 0, NULL, NULL))
2378         {
2379                 wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDIS_REBIND_ADAPTER "
2380                            "failed: 0x%x", (int) GetLastError());
2381                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: rebind multi_sz",
2382                                   (u8 *) multi, len * sizeof(TCHAR));
2383                 CloseHandle(ndis);
2384                 return -1;
2385         }
2386
2387         CloseHandle(ndis);
2388
2389         wpa_printf(MSG_DEBUG, "NDIS: Requested NDIS rebind of NDISUIO "
2390                    "protocol");
2391
2392         return 0;
2393 }
2394 #endif /* _WIN32_WCE */
2395
2396
2397 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2398                                    int enable)
2399 {
2400 #ifdef _WIN32_WCE
2401         HKEY hk, hk2;
2402         LONG ret;
2403         DWORD i, hnd, len;
2404         TCHAR keyname[256], devname[256];
2405
2406 #define WZC_DRIVER TEXT("Drivers\\BuiltIn\\ZeroConfig")
2407
2408         if (enable) {
2409                 HANDLE h;
2410                 h = ActivateDeviceEx(WZC_DRIVER, NULL, 0, NULL);
2411                 if (h == INVALID_HANDLE_VALUE || h == 0) {
2412                         wpa_printf(MSG_DEBUG, "NDIS: Failed to re-enable WZC "
2413                                    "- ActivateDeviceEx failed: %d",
2414                                    (int) GetLastError());
2415                         return -1;
2416                 }
2417
2418                 wpa_printf(MSG_DEBUG, "NDIS: WZC re-enabled");
2419                 return wpa_driver_ndis_rebind_adapter(drv);
2420         }
2421
2422         /*
2423          * Unfortunately, just disabling the WZC for an interface is not enough
2424          * to free NDISUIO for us, so need to disable and unload WZC completely
2425          * for now when using WinCE with NDISUIO. In addition, must request
2426          * NDISUIO protocol to be rebound to the adapter in order to free the
2427          * NDISUIO binding that WZC hold before us.
2428          */
2429
2430         /* Enumerate HKLM\Drivers\Active\* to find a handle to WZC. */
2431         ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, DEVLOAD_ACTIVE_KEY, 0, 0, &hk);
2432         if (ret != ERROR_SUCCESS) {
2433                 wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(DEVLOAD_ACTIVE_KEY) "
2434                            "failed: %d %d", (int) ret, (int) GetLastError());
2435                 return -1;
2436         }
2437
2438         for (i = 0; ; i++) {
2439                 len = sizeof(keyname);
2440                 ret = RegEnumKeyEx(hk, i, keyname, &len, NULL, NULL, NULL,
2441                                    NULL);
2442                 if (ret != ERROR_SUCCESS) {
2443                         wpa_printf(MSG_DEBUG, "NDIS: Could not find active "
2444                                    "WZC - assuming it is not running.");
2445                         RegCloseKey(hk);
2446                         return -1;
2447                 }
2448
2449                 ret = RegOpenKeyEx(hk, keyname, 0, 0, &hk2);
2450                 if (ret != ERROR_SUCCESS) {
2451                         wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(active dev) "
2452                                    "failed: %d %d",
2453                                    (int) ret, (int) GetLastError());
2454                         continue;
2455                 }
2456
2457                 len = sizeof(devname);
2458                 ret = RegQueryValueEx(hk2, DEVLOAD_DEVKEY_VALNAME, NULL, NULL,
2459                                       (LPBYTE) devname, &len);
2460                 if (ret != ERROR_SUCCESS) {
2461                         wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx("
2462                                    "DEVKEY_VALNAME) failed: %d %d",
2463                                    (int) ret, (int) GetLastError());
2464                         RegCloseKey(hk2);
2465                         continue;
2466                 }
2467
2468                 if (_tcscmp(devname, WZC_DRIVER) == 0)
2469                         break;
2470
2471                 RegCloseKey(hk2);
2472         }
2473
2474         RegCloseKey(hk);
2475
2476         /* Found WZC - get handle to it. */
2477         len = sizeof(hnd);
2478         ret = RegQueryValueEx(hk2, DEVLOAD_HANDLE_VALNAME, NULL, NULL,
2479                               (PUCHAR) &hnd, &len);
2480         if (ret != ERROR_SUCCESS) {
2481                 wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx(HANDLE_VALNAME) "
2482                            "failed: %d %d", (int) ret, (int) GetLastError());
2483                 RegCloseKey(hk2);
2484                 return -1;
2485         }
2486
2487         RegCloseKey(hk2);
2488
2489         /* Deactivate WZC */
2490         if (!DeactivateDevice((HANDLE) hnd)) {
2491                 wpa_printf(MSG_DEBUG, "NDIS: DeactivateDevice failed: %d",
2492                            (int) GetLastError());
2493                 return -1;
2494         }
2495
2496         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily");
2497         drv->wzc_disabled = 1;
2498         return wpa_driver_ndis_rebind_adapter(drv);
2499
2500 #else /* _WIN32_WCE */
2501
2502         HMODULE hm;
2503         DWORD (WINAPI *wzc_enum_interf)(LPWSTR pSrvAddr,
2504                                         PINTFS_KEY_TABLE pIntfs);
2505         DWORD (WINAPI *wzc_query_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2506                                          PINTF_ENTRY pIntf,
2507                                          LPDWORD pdwOutFlags);
2508         DWORD (WINAPI *wzc_set_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2509                                        PINTF_ENTRY pIntf, LPDWORD pdwOutFlags);
2510         int ret = -1, j;
2511         DWORD res;
2512         INTFS_KEY_TABLE guids;
2513         INTF_ENTRY intf;
2514         char guid[128];
2515         WCHAR *pos;
2516         DWORD flags, i;
2517
2518         hm = LoadLibrary(TEXT("wzcsapi.dll"));
2519         if (hm == NULL) {
2520                 wpa_printf(MSG_DEBUG, "NDIS: Failed to load wzcsapi.dll (%u) "
2521                            "- WZC probably not running",
2522                            (unsigned int) GetLastError());
2523                 return -1;
2524         }
2525
2526 #ifdef _WIN32_WCE
2527         wzc_enum_interf = (void *) GetProcAddressA(hm, "WZCEnumInterfaces");
2528         wzc_query_interf = (void *) GetProcAddressA(hm, "WZCQueryInterface");
2529         wzc_set_interf = (void *) GetProcAddressA(hm, "WZCSetInterface");
2530 #else /* _WIN32_WCE */
2531         wzc_enum_interf = (void *) GetProcAddress(hm, "WZCEnumInterfaces");
2532         wzc_query_interf = (void *) GetProcAddress(hm, "WZCQueryInterface");
2533         wzc_set_interf = (void *) GetProcAddress(hm, "WZCSetInterface");
2534 #endif /* _WIN32_WCE */
2535
2536         if (wzc_enum_interf == NULL || wzc_query_interf == NULL ||
2537             wzc_set_interf == NULL) {
2538                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces, "
2539                            "WZCQueryInterface, or WZCSetInterface not found "
2540                            "in wzcsapi.dll");
2541                 goto fail;
2542         }
2543
2544         os_memset(&guids, 0, sizeof(guids));
2545         res = wzc_enum_interf(NULL, &guids);
2546         if (res != 0) {
2547                 wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces failed: %d; "
2548                            "WZC service is apparently not running",
2549                            (int) res);
2550                 goto fail;
2551         }
2552
2553         wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces: %d interfaces",
2554                    (int) guids.dwNumIntfs);
2555
2556         for (i = 0; i < guids.dwNumIntfs; i++) {
2557                 pos = guids.pIntfs[i].wszGuid;
2558                 for (j = 0; j < sizeof(guid); j++) {
2559                         guid[j] = (char) *pos;
2560                         if (*pos == 0)
2561                                 break;
2562                         pos++;
2563                 }
2564                 guid[sizeof(guid) - 1] = '\0';
2565                 wpa_printf(MSG_DEBUG, "NDIS: intfs %d GUID '%s'",
2566                            (int) i, guid);
2567                 if (os_strstr(drv->ifname, guid) == NULL)
2568                         continue;
2569
2570                 wpa_printf(MSG_DEBUG, "NDIS: Current interface found from "
2571                            "WZC");
2572                 break;
2573         }
2574
2575         if (i >= guids.dwNumIntfs) {
2576                 wpa_printf(MSG_DEBUG, "NDIS: Current interface not found from "
2577                            "WZC");
2578                 goto fail;
2579         }
2580
2581         os_memset(&intf, 0, sizeof(intf));
2582         intf.wszGuid = guids.pIntfs[i].wszGuid;
2583         /* Set flags to verify that the structure has not changed. */
2584         intf.dwCtlFlags = -1;
2585         flags = 0;
2586         res = wzc_query_interf(NULL, INTFCTL_ENABLED, &intf, &flags);
2587         if (res != 0) {
2588                 wpa_printf(MSG_DEBUG, "NDIS: Could not query flags for the "
2589                            "WZC interface: %d (0x%x)",
2590                            (int) res, (int) res);
2591                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2592                            (unsigned int) GetLastError());
2593                 goto fail;
2594         }
2595
2596         wpa_printf(MSG_DEBUG, "NDIS: WZC interface flags 0x%x dwCtlFlags 0x%x",
2597                    (int) flags, (int) intf.dwCtlFlags);
2598
2599         if (intf.dwCtlFlags == -1) {
2600                 wpa_printf(MSG_DEBUG, "NDIS: Looks like wzcsapi has changed "
2601                            "again - could not disable WZC");
2602                 wpa_hexdump(MSG_MSGDUMP, "NDIS: intf",
2603                             (u8 *) &intf, sizeof(intf));
2604                 goto fail;
2605         }
2606
2607         if (enable) {
2608                 if (!(intf.dwCtlFlags & INTFCTL_ENABLED)) {
2609                         wpa_printf(MSG_DEBUG, "NDIS: Enabling WZC for this "
2610                                    "interface");
2611                         intf.dwCtlFlags |= INTFCTL_ENABLED;
2612                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2613                                              &flags);
2614                         if (res != 0) {
2615                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to enable "
2616                                            "WZC: %d (0x%x)",
2617                                            (int) res, (int) res);
2618                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2619                                            (unsigned int) GetLastError());
2620                                 goto fail;
2621                         }
2622                         wpa_printf(MSG_DEBUG, "NDIS: Re-enabled WZC for this "
2623                                    "interface");
2624                         drv->wzc_disabled = 0;
2625                 }
2626         } else {
2627                 if (intf.dwCtlFlags & INTFCTL_ENABLED) {
2628                         wpa_printf(MSG_DEBUG, "NDIS: Disabling WZC for this "
2629                                    "interface");
2630                         intf.dwCtlFlags &= ~INTFCTL_ENABLED;
2631                         res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2632                                              &flags);
2633                         if (res != 0) {
2634                                 wpa_printf(MSG_DEBUG, "NDIS: Failed to "
2635                                            "disable WZC: %d (0x%x)",
2636                                            (int) res, (int) res);
2637                                 wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2638                                            (unsigned int) GetLastError());
2639                                 goto fail;
2640                         }
2641                         wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily "
2642                                    "for this interface");
2643                         drv->wzc_disabled = 1;
2644                 } else {
2645                         wpa_printf(MSG_DEBUG, "NDIS: WZC was not enabled for "
2646                                    "this interface");
2647                 }
2648         }
2649
2650         ret = 0;
2651
2652 fail:
2653         FreeLibrary(hm);
2654
2655         return ret;
2656 #endif /* _WIN32_WCE */
2657 }
2658
2659 #else /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2660
2661 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2662                                    int enable)
2663 {
2664         return 0;
2665 }
2666
2667 #endif /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2668
2669
2670 #ifdef CONFIG_USE_NDISUIO
2671 /*
2672  * l2_packet_ndis.c is sharing the same handle to NDISUIO, so we must be able
2673  * to export this handle. This is somewhat ugly, but there is no better
2674  * mechanism available to pass data from driver interface to l2_packet wrapper.
2675  */
2676 static HANDLE driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2677
2678 HANDLE driver_ndis_get_ndisuio_handle(void)
2679 {
2680         return driver_ndis_ndisuio_handle;
2681 }
2682 #endif /* CONFIG_USE_NDISUIO */
2683
2684
2685 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv)
2686 {
2687 #ifdef CONFIG_USE_NDISUIO
2688 #ifndef _WIN32_WCE
2689 #define NDISUIO_DEVICE_NAME TEXT("\\\\.\\\\Ndisuio")
2690         DWORD written;
2691 #endif /* _WIN32_WCE */
2692         drv->ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2693                                   GENERIC_READ | GENERIC_WRITE, 0, NULL,
2694                                   OPEN_EXISTING,
2695                                   FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2696                                   INVALID_HANDLE_VALUE);
2697         if (drv->ndisuio == INVALID_HANDLE_VALUE) {
2698                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2699                            "NDISUIO: %d", (int) GetLastError());
2700                 return -1;
2701         }
2702         driver_ndis_ndisuio_handle = drv->ndisuio;
2703
2704 #ifndef _WIN32_WCE
2705         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2706                              NULL, 0, &written, NULL)) {
2707                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2708                            "%d", (int) GetLastError());
2709                 CloseHandle(drv->ndisuio);
2710                 drv->ndisuio = INVALID_HANDLE_VALUE;
2711                 return -1;
2712         }
2713 #endif /* _WIN32_WCE */
2714
2715         return 0;
2716 #else /* CONFIG_USE_NDISUIO */
2717         return 0;
2718 #endif /* CONFIG_USE_NDISUIO */
2719 }
2720
2721
2722 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv)
2723 {
2724 #ifdef CONFIG_USE_NDISUIO
2725         DWORD written;
2726 #define MAX_NDIS_DEVICE_NAME_LEN 256
2727         WCHAR ifname[MAX_NDIS_DEVICE_NAME_LEN];
2728         size_t len, i, pos;
2729         const char *prefix = "\\DEVICE\\";
2730
2731 #ifdef _WIN32_WCE
2732         pos = 0;
2733 #else /* _WIN32_WCE */
2734         pos = 8;
2735 #endif /* _WIN32_WCE */
2736         len = pos + os_strlen(drv->ifname);
2737         if (len >= MAX_NDIS_DEVICE_NAME_LEN)
2738                 return -1;
2739         for (i = 0; i < pos; i++)
2740                 ifname[i] = (WCHAR) prefix[i];
2741         for (i = pos; i < len; i++)
2742                 ifname[i] = (WCHAR) drv->ifname[i - pos];
2743         ifname[i] = L'\0';
2744
2745         if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_OPEN_DEVICE,
2746                              ifname, len * sizeof(WCHAR), NULL, 0, &written,
2747                              NULL)) {
2748                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_OPEN_DEVICE "
2749                            "failed: %d", (int) GetLastError());
2750                 wpa_hexdump_ascii(MSG_DEBUG, "NDIS: ifname",
2751                                   (const u8 *) ifname, len * sizeof(WCHAR));
2752                 CloseHandle(drv->ndisuio);
2753                 drv->ndisuio = INVALID_HANDLE_VALUE;
2754                 return -1;
2755         }
2756
2757         wpa_printf(MSG_DEBUG, "NDIS: Opened NDISUIO device successfully");
2758
2759         return 0;
2760 #else /* CONFIG_USE_NDISUIO */
2761         char ifname[128];
2762         os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", drv->ifname);
2763         drv->adapter = PacketOpenAdapter(ifname);
2764         if (drv->adapter == NULL) {
2765                 wpa_printf(MSG_DEBUG, "NDIS: PacketOpenAdapter failed for "
2766                            "'%s'", ifname);
2767                 return -1;
2768         }
2769         return 0;
2770 #endif /* CONFIG_USE_NDISUIO */
2771 }
2772
2773
2774 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv)
2775 {
2776 #ifdef CONFIG_USE_NDISUIO
2777         driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2778         if (drv->ndisuio != INVALID_HANDLE_VALUE)
2779                 CloseHandle(drv->ndisuio);
2780 #else /* CONFIG_USE_NDISUIO */
2781         if (drv->adapter)
2782                 PacketCloseAdapter(drv->adapter);
2783 #endif /* CONFIG_USE_NDISUIO */
2784 }
2785
2786
2787 static int ndis_add_multicast(struct wpa_driver_ndis_data *drv)
2788 {
2789         if (ndis_set_oid(drv, OID_802_3_MULTICAST_LIST,
2790                          (const char *) pae_group_addr, ETH_ALEN) < 0) {
2791                 wpa_printf(MSG_DEBUG, "NDIS: Failed to add PAE group address "
2792                            "to the multicast list");
2793                 return -1;
2794         }
2795
2796         return 0;
2797 }
2798
2799
2800 static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
2801 {
2802         struct wpa_driver_ndis_data *drv;
2803         u32 mode;
2804
2805         drv = os_zalloc(sizeof(*drv));
2806         if (drv == NULL)
2807                 return NULL;
2808         drv->ctx = ctx;
2809         /*
2810          * Compatibility code to strip possible prefix from the GUID. Previous
2811          * versions include \Device\NPF_ prefix for all names, but the internal
2812          * interface name is now only the GUI. Both Packet32 and NDISUIO
2813          * prefixes are supported.
2814          */
2815         if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
2816                 ifname += 12;
2817         else if (os_strncmp(ifname, "\\DEVICE\\", 8) == 0)
2818                 ifname += 8;
2819         os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
2820
2821         if (wpa_driver_ndis_adapter_init(drv) < 0) {
2822                 os_free(drv);
2823                 return NULL;
2824         }
2825
2826         if (wpa_driver_ndis_get_names(drv) < 0) {
2827                 wpa_driver_ndis_adapter_close(drv);
2828                 os_free(drv);
2829                 return NULL;
2830         }
2831
2832         wpa_driver_ndis_set_wzc(drv, 0);
2833
2834         if (wpa_driver_ndis_adapter_open(drv) < 0) {
2835                 wpa_driver_ndis_adapter_close(drv);
2836                 os_free(drv);
2837                 return NULL;
2838         }
2839
2840         if (ndis_get_oid(drv, OID_802_3_CURRENT_ADDRESS,
2841                          (char *) drv->own_addr, ETH_ALEN) < 0) {
2842                 wpa_printf(MSG_DEBUG, "NDIS: Get OID_802_3_CURRENT_ADDRESS "
2843                            "failed");
2844                 wpa_driver_ndis_adapter_close(drv);
2845                 os_free(drv);
2846                 return NULL;
2847         }
2848         wpa_driver_ndis_get_capability(drv);
2849
2850         /* Make sure that the driver does not have any obsolete PMKID entries.
2851          */
2852         wpa_driver_ndis_flush_pmkid(drv);
2853
2854         /*
2855          * Disconnect to make sure that driver re-associates if it was
2856          * connected.
2857          */
2858         wpa_driver_ndis_disconnect(drv);
2859
2860         eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout, drv, NULL);
2861
2862 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2863         drv->events = ndis_events_init(&drv->events_pipe, &drv->event_avail,
2864                                        drv->ifname, drv->adapter_desc);
2865         if (drv->events == NULL) {
2866                 wpa_driver_ndis_deinit(drv);
2867                 return NULL;
2868         }
2869         eloop_register_event(drv->event_avail, sizeof(drv->event_avail),
2870                              wpa_driver_ndis_event_pipe_cb, drv, NULL);
2871 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2872
2873 #ifdef _WIN32_WCE
2874         if (ndisuio_notification_init(drv) < 0) {
2875                 wpa_driver_ndis_deinit(drv);
2876                 return NULL;
2877         }
2878 #endif /* _WIN32_WCE */
2879
2880         /* Set mode here in case card was configured for ad-hoc mode
2881          * previously. */
2882         mode = Ndis802_11Infrastructure;
2883         if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
2884                          (char *) &mode, sizeof(mode)) < 0) {
2885                 char buf[8];
2886                 int res;
2887                 wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
2888                            "OID_802_11_INFRASTRUCTURE_MODE (%d)",
2889                            (int) mode);
2890                 /* Try to continue anyway */
2891
2892                 res = ndis_get_oid(drv, OID_DOT11_CURRENT_OPERATION_MODE, buf,
2893                                    sizeof(buf));
2894                 if (res > 0) {
2895                         wpa_printf(MSG_INFO, "NDIS: The driver seems to use "
2896                                    "Native 802.11 OIDs. These are not yet "
2897                                    "fully supported.");
2898                         drv->native80211 = 1;
2899                 } else if (!drv->has_capability || drv->capa.enc == 0) {
2900                         /*
2901                          * Note: This will also happen with NDIS 6 drivers with
2902                          * Vista.
2903                          */
2904                         wpa_printf(MSG_DEBUG, "NDIS: Driver did not provide "
2905                                    "any wireless capabilities - assume it is "
2906                                    "a wired interface");
2907                         drv->wired = 1;
2908                         drv->capa.flags |= WPA_DRIVER_FLAGS_WIRED;
2909                         drv->has_capability = 1;
2910                         ndis_add_multicast(drv);
2911                 }
2912         }
2913
2914         return drv;
2915 }
2916
2917
2918 static void wpa_driver_ndis_deinit(void *priv)
2919 {
2920         struct wpa_driver_ndis_data *drv = priv;
2921
2922 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2923         if (drv->events) {
2924                 eloop_unregister_event(drv->event_avail,
2925                                        sizeof(drv->event_avail));
2926                 ndis_events_deinit(drv->events);
2927         }
2928 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2929
2930 #ifdef _WIN32_WCE
2931         ndisuio_notification_deinit(drv);
2932 #endif /* _WIN32_WCE */
2933
2934         eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
2935         eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
2936         wpa_driver_ndis_flush_pmkid(drv);
2937         wpa_driver_ndis_disconnect(drv);
2938         if (wpa_driver_ndis_radio_off(drv) < 0) {
2939                 wpa_printf(MSG_DEBUG, "NDIS: failed to disassociate and turn "
2940                            "radio off");
2941         }
2942
2943         wpa_driver_ndis_adapter_close(drv);
2944
2945         if (drv->wzc_disabled)
2946                 wpa_driver_ndis_set_wzc(drv, 1);
2947
2948 #ifdef _WIN32_WCE
2949         os_free(drv->adapter_name);
2950 #endif /* _WIN32_WCE */
2951         os_free(drv->adapter_desc);
2952         os_free(drv);
2953 }
2954
2955
2956 static struct wpa_interface_info *
2957 wpa_driver_ndis_get_interfaces(void *global_priv)
2958 {
2959         struct wpa_interface_info *iface = NULL, *niface;
2960
2961 #ifdef CONFIG_USE_NDISUIO
2962         NDISUIO_QUERY_BINDING *b;
2963         size_t blen = sizeof(*b) + 1024;
2964         int i, error;
2965         DWORD written;
2966         char name[256], desc[256];
2967         WCHAR *pos;
2968         size_t j, len;
2969         HANDLE ndisuio;
2970
2971         ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2972                              GENERIC_READ | GENERIC_WRITE, 0, NULL,
2973                              OPEN_EXISTING,
2974                              FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2975                              INVALID_HANDLE_VALUE);
2976         if (ndisuio == INVALID_HANDLE_VALUE) {
2977                 wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2978                            "NDISUIO: %d", (int) GetLastError());
2979                 return NULL;
2980         }
2981
2982 #ifndef _WIN32_WCE
2983         if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2984                              NULL, 0, &written, NULL)) {
2985                 wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2986                            "%d", (int) GetLastError());
2987                 CloseHandle(ndisuio);
2988                 return NULL;
2989         }
2990 #endif /* _WIN32_WCE */
2991
2992         b = os_malloc(blen);
2993         if (b == NULL) {
2994                 CloseHandle(ndisuio);
2995                 return NULL;
2996         }
2997
2998         for (i = 0; ; i++) {
2999                 os_memset(b, 0, blen);
3000                 b->BindingIndex = i;
3001                 if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
3002                                      b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
3003                                      &written, NULL)) {
3004                         error = (int) GetLastError();
3005                         if (error == ERROR_NO_MORE_ITEMS)
3006                                 break;
3007                         wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
3008                                    "failed: %d", error);
3009                         break;
3010                 }
3011
3012                 pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
3013                 len = b->DeviceNameLength;
3014                 if (len >= sizeof(name))
3015                         len = sizeof(name) - 1;
3016                 for (j = 0; j < len; j++)
3017                         name[j] = (char) pos[j];
3018                 name[len] = '\0';
3019
3020                 pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
3021                 len = b->DeviceDescrLength;
3022                 if (len >= sizeof(desc))
3023                         len = sizeof(desc) - 1;
3024                 for (j = 0; j < len; j++)
3025                         desc[j] = (char) pos[j];
3026                 desc[len] = '\0';
3027
3028                 wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
3029
3030                 niface = os_zalloc(sizeof(*niface));
3031                 if (niface == NULL)
3032                         break;
3033                 niface->drv_name = "ndis";
3034                 if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
3035                         niface->ifname = os_strdup(name + 8);
3036                 else
3037                         niface->ifname = os_strdup(name);
3038                 if (niface->ifname == NULL) {
3039                         os_free(niface);
3040                         break;
3041                 }
3042                 niface->desc = os_strdup(desc);
3043                 niface->next = iface;
3044                 iface = niface;
3045         }
3046
3047         os_free(b);
3048         CloseHandle(ndisuio);
3049 #else /* CONFIG_USE_NDISUIO */
3050         PTSTR _names;
3051         char *names, *pos, *pos2;
3052         ULONG len;
3053         BOOLEAN res;
3054         char *name[MAX_ADAPTERS];
3055         char *desc[MAX_ADAPTERS];
3056         int num_name, num_desc, i;
3057
3058         wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
3059                    PacketGetVersion());
3060
3061         len = 8192;
3062         _names = os_zalloc(len);
3063         if (_names == NULL)
3064                 return NULL;
3065
3066         res = PacketGetAdapterNames(_names, &len);
3067         if (!res && len > 8192) {
3068                 os_free(_names);
3069                 _names = os_zalloc(len);
3070                 if (_names == NULL)
3071                         return NULL;
3072                 res = PacketGetAdapterNames(_names, &len);
3073         }
3074
3075         if (!res) {
3076                 wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
3077                            "(PacketGetAdapterNames)");
3078                 os_free(_names);
3079                 return NULL;
3080         }
3081
3082         names = (char *) _names;
3083         if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
3084                 wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
3085                            "UNICODE");
3086                 /* Convert to ASCII */
3087                 pos2 = pos = names;
3088                 while (pos2 < names + len) {
3089                         if (pos2[0] == '\0' && pos2[1] == '\0' &&
3090                             pos2[2] == '\0' && pos2[3] == '\0') {
3091                                 pos2 += 4;
3092                                 break;
3093                         }
3094                         *pos++ = pos2[0];
3095                         pos2 += 2;
3096                 }
3097                 os_memcpy(pos + 2, names, pos - names);
3098                 pos += 2;
3099         } else
3100                 pos = names;
3101
3102         num_name = 0;
3103         while (pos < names + len) {
3104                 name[num_name] = pos;
3105                 while (*pos && pos < names + len)
3106                         pos++;
3107                 if (pos + 1 >= names + len) {
3108                         os_free(names);
3109                         return NULL;
3110                 }
3111                 pos++;
3112                 num_name++;
3113                 if (num_name >= MAX_ADAPTERS) {
3114                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
3115                         os_free(names);
3116                         return NULL;
3117                 }
3118                 if (*pos == '\0') {
3119                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
3120                                    num_name);
3121                         pos++;
3122                         break;
3123                 }
3124         }
3125
3126         num_desc = 0;
3127         while (pos < names + len) {
3128                 desc[num_desc] = pos;
3129                 while (*pos && pos < names + len)
3130                         pos++;
3131                 if (pos + 1 >= names + len) {
3132                         os_free(names);
3133                         return NULL;
3134                 }
3135                 pos++;
3136                 num_desc++;
3137                 if (num_desc >= MAX_ADAPTERS) {
3138                         wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
3139                                    "descriptions");
3140                         os_free(names);
3141                         return NULL;
3142                 }
3143                 if (*pos == '\0') {
3144                         wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
3145                                    "found", num_name);
3146                         pos++;
3147                         break;
3148                 }
3149         }
3150
3151         /*
3152          * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
3153          * descriptions. Fill in dummy descriptors to work around this.
3154          */
3155         while (num_desc < num_name)
3156                 desc[num_desc++] = "dummy description";
3157
3158         if (num_name != num_desc) {
3159                 wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
3160                            "description counts (%d != %d)",
3161                            num_name, num_desc);
3162                 os_free(names);
3163                 return NULL;
3164         }
3165
3166         for (i = 0; i < num_name; i++) {
3167                 niface = os_zalloc(sizeof(*niface));
3168                 if (niface == NULL)
3169                         break;
3170                 niface->drv_name = "ndis";
3171                 if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
3172                         niface->ifname = os_strdup(name[i] + 12);
3173                 else
3174                         niface->ifname = os_strdup(name[i]);
3175                 if (niface->ifname == NULL) {
3176                         os_free(niface);
3177                         break;
3178                 }
3179                 niface->desc = os_strdup(desc[i]);
3180                 niface->next = iface;
3181                 iface = niface;
3182         }
3183
3184 #endif /* CONFIG_USE_NDISUIO */
3185
3186         return iface;
3187 }
3188
3189
3190 static const char *ndis_drv_name = "ndis";
3191 static const char *ndis_drv_desc = "Windows NDIS driver";
3192
3193 struct wpa_driver_ops wpa_driver_ndis_ops;
3194
3195 void driver_ndis_init_ops(void)
3196 {
3197         os_memset(&wpa_driver_ndis_ops, 0, sizeof(wpa_driver_ndis_ops));
3198         wpa_driver_ndis_ops.name = ndis_drv_name;
3199         wpa_driver_ndis_ops.desc = ndis_drv_desc;
3200         wpa_driver_ndis_ops.get_bssid = wpa_driver_ndis_get_bssid;
3201         wpa_driver_ndis_ops.get_ssid = wpa_driver_ndis_get_ssid;
3202         wpa_driver_ndis_ops.set_key = wpa_driver_ndis_set_key;
3203         wpa_driver_ndis_ops.init = wpa_driver_ndis_init;
3204         wpa_driver_ndis_ops.deinit = wpa_driver_ndis_deinit;
3205         wpa_driver_ndis_ops.deauthenticate = wpa_driver_ndis_deauthenticate;
3206         wpa_driver_ndis_ops.associate = wpa_driver_ndis_associate;
3207         wpa_driver_ndis_ops.add_pmkid = wpa_driver_ndis_add_pmkid;
3208         wpa_driver_ndis_ops.remove_pmkid = wpa_driver_ndis_remove_pmkid;
3209         wpa_driver_ndis_ops.flush_pmkid = wpa_driver_ndis_flush_pmkid;
3210         wpa_driver_ndis_ops.get_capa = wpa_driver_ndis_get_capa;
3211         wpa_driver_ndis_ops.poll = wpa_driver_ndis_poll;
3212         wpa_driver_ndis_ops.get_ifname = wpa_driver_ndis_get_ifname;
3213         wpa_driver_ndis_ops.get_mac_addr = wpa_driver_ndis_get_mac_addr;
3214         wpa_driver_ndis_ops.get_scan_results2 =
3215                 wpa_driver_ndis_get_scan_results;
3216         wpa_driver_ndis_ops.get_interfaces = wpa_driver_ndis_get_interfaces;
3217         wpa_driver_ndis_ops.scan2 = wpa_driver_ndis_scan;
3218 }