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 "common/ieee802_11_common.h"
39 #include "driver_ndis.h"
40 
41 int wpa_driver_register_event_cb(struct wpa_driver_ndis_data *drv);
42 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
43 void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data);
44 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
45 
46 static void wpa_driver_ndis_deinit(void *priv);
47 static void wpa_driver_ndis_poll(void *drv);
48 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx);
49 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv);
50 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv);
51 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv);
52 
53 
54 static const u8 pae_group_addr[ETH_ALEN] =
55 { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
56 
57 
58 /* FIX: to be removed once this can be compiled with the complete NDIS
59  * header files */
60 #ifndef OID_802_11_BSSID
61 #define OID_802_11_BSSID                          0x0d010101
62 #define OID_802_11_SSID                           0x0d010102
63 #define OID_802_11_INFRASTRUCTURE_MODE            0x0d010108
64 #define OID_802_11_ADD_WEP                        0x0D010113
65 #define OID_802_11_REMOVE_WEP                     0x0D010114
66 #define OID_802_11_DISASSOCIATE                             0x0D010115
67 #define OID_802_11_BSSID_LIST                               0x0d010217
68 #define OID_802_11_AUTHENTICATION_MODE            0x0d010118
69 #define OID_802_11_PRIVACY_FILTER                 0x0d010119
70 #define OID_802_11_BSSID_LIST_SCAN                0x0d01011A
71 #define OID_802_11_WEP_STATUS                     0x0d01011B
72 #define OID_802_11_ENCRYPTION_STATUS OID_802_11_WEP_STATUS
73 #define OID_802_11_ADD_KEY                        0x0d01011D
74 #define OID_802_11_REMOVE_KEY                               0x0d01011E
75 #define OID_802_11_ASSOCIATION_INFORMATION        0x0d01011F
76 #define OID_802_11_TEST                           0x0d010120
77 #define OID_802_11_CAPABILITY                               0x0d010122
78 #define OID_802_11_PMKID                          0x0d010123
79 
80 #define NDIS_802_11_LENGTH_SSID 32
81 #define NDIS_802_11_LENGTH_RATES 8
82 #define NDIS_802_11_LENGTH_RATES_EX 16
83 
84 typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
85 
86 typedef struct NDIS_802_11_SSID {
87           ULONG SsidLength;
88           UCHAR Ssid[NDIS_802_11_LENGTH_SSID];
89 } NDIS_802_11_SSID;
90 
91 typedef LONG NDIS_802_11_RSSI;
92 
93 typedef enum NDIS_802_11_NETWORK_TYPE {
94           Ndis802_11FH,
95           Ndis802_11DS,
96           Ndis802_11OFDM5,
97           Ndis802_11OFDM24,
98           Ndis802_11NetworkTypeMax
99 } NDIS_802_11_NETWORK_TYPE;
100 
101 typedef struct NDIS_802_11_CONFIGURATION_FH {
102           ULONG Length;
103           ULONG HopPattern;
104           ULONG HopSet;
105           ULONG DwellTime;
106 } NDIS_802_11_CONFIGURATION_FH;
107 
108 typedef struct NDIS_802_11_CONFIGURATION {
109           ULONG Length;
110           ULONG BeaconPeriod;
111           ULONG ATIMWindow;
112           ULONG DSConfig;
113           NDIS_802_11_CONFIGURATION_FH FHConfig;
114 } NDIS_802_11_CONFIGURATION;
115 
116 typedef enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
117           Ndis802_11IBSS,
118           Ndis802_11Infrastructure,
119           Ndis802_11AutoUnknown,
120           Ndis802_11InfrastructureMax
121 } NDIS_802_11_NETWORK_INFRASTRUCTURE;
122 
123 typedef enum NDIS_802_11_AUTHENTICATION_MODE {
124           Ndis802_11AuthModeOpen,
125           Ndis802_11AuthModeShared,
126           Ndis802_11AuthModeAutoSwitch,
127           Ndis802_11AuthModeWPA,
128           Ndis802_11AuthModeWPAPSK,
129           Ndis802_11AuthModeWPANone,
130           Ndis802_11AuthModeWPA2,
131           Ndis802_11AuthModeWPA2PSK,
132           Ndis802_11AuthModeMax
133 } NDIS_802_11_AUTHENTICATION_MODE;
134 
135 typedef enum NDIS_802_11_WEP_STATUS {
136           Ndis802_11WEPEnabled,
137           Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
138           Ndis802_11WEPDisabled,
139           Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
140           Ndis802_11WEPKeyAbsent,
141           Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
142           Ndis802_11WEPNotSupported,
143           Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
144           Ndis802_11Encryption2Enabled,
145           Ndis802_11Encryption2KeyAbsent,
146           Ndis802_11Encryption3Enabled,
147           Ndis802_11Encryption3KeyAbsent
148 } NDIS_802_11_WEP_STATUS, NDIS_802_11_ENCRYPTION_STATUS;
149 
150 typedef enum NDIS_802_11_PRIVACY_FILTER {
151           Ndis802_11PrivFilterAcceptAll,
152           Ndis802_11PrivFilter8021xWEP
153 } NDIS_802_11_PRIVACY_FILTER;
154 
155 typedef UCHAR NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];
156 typedef UCHAR NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];
157 
158 typedef struct NDIS_WLAN_BSSID_EX {
159           ULONG Length;
160           NDIS_802_11_MAC_ADDRESS MacAddress; /* BSSID */
161           UCHAR Reserved[2];
162           NDIS_802_11_SSID Ssid;
163           ULONG Privacy;
164           NDIS_802_11_RSSI Rssi;
165           NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
166           NDIS_802_11_CONFIGURATION Configuration;
167           NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
168           NDIS_802_11_RATES_EX SupportedRates;
169           ULONG IELength;
170           UCHAR IEs[1];
171 } NDIS_WLAN_BSSID_EX;
172 
173 typedef struct NDIS_802_11_BSSID_LIST_EX {
174           ULONG NumberOfItems;
175           NDIS_WLAN_BSSID_EX Bssid[1];
176 } NDIS_802_11_BSSID_LIST_EX;
177 
178 typedef struct NDIS_802_11_FIXED_IEs {
179           UCHAR Timestamp[8];
180           USHORT BeaconInterval;
181           USHORT Capabilities;
182 } NDIS_802_11_FIXED_IEs;
183 
184 typedef struct NDIS_802_11_WEP {
185           ULONG Length;
186           ULONG KeyIndex;
187           ULONG KeyLength;
188           UCHAR KeyMaterial[1];
189 } NDIS_802_11_WEP;
190 
191 typedef ULONG NDIS_802_11_KEY_INDEX;
192 typedef ULONGLONG NDIS_802_11_KEY_RSC;
193 
194 typedef struct NDIS_802_11_KEY {
195           ULONG Length;
196           ULONG KeyIndex;
197           ULONG KeyLength;
198           NDIS_802_11_MAC_ADDRESS BSSID;
199           NDIS_802_11_KEY_RSC KeyRSC;
200           UCHAR KeyMaterial[1];
201 } NDIS_802_11_KEY;
202 
203 typedef struct NDIS_802_11_REMOVE_KEY {
204           ULONG Length;
205           ULONG KeyIndex;
206           NDIS_802_11_MAC_ADDRESS BSSID;
207 } NDIS_802_11_REMOVE_KEY;
208 
209 typedef struct NDIS_802_11_AI_REQFI {
210           USHORT Capabilities;
211           USHORT ListenInterval;
212           NDIS_802_11_MAC_ADDRESS CurrentAPAddress;
213 } NDIS_802_11_AI_REQFI;
214 
215 typedef struct NDIS_802_11_AI_RESFI {
216           USHORT Capabilities;
217           USHORT StatusCode;
218           USHORT AssociationId;
219 } NDIS_802_11_AI_RESFI;
220 
221 typedef struct NDIS_802_11_ASSOCIATION_INFORMATION {
222           ULONG Length;
223           USHORT AvailableRequestFixedIEs;
224           NDIS_802_11_AI_REQFI RequestFixedIEs;
225           ULONG RequestIELength;
226           ULONG OffsetRequestIEs;
227           USHORT AvailableResponseFixedIEs;
228           NDIS_802_11_AI_RESFI ResponseFixedIEs;
229           ULONG ResponseIELength;
230           ULONG OffsetResponseIEs;
231 } NDIS_802_11_ASSOCIATION_INFORMATION;
232 
233 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
234           NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
235           NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
236 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
237 
238 typedef struct NDIS_802_11_CAPABILITY {
239           ULONG Length;
240           ULONG Version;
241           ULONG NoOfPMKIDs;
242           ULONG NoOfAuthEncryptPairsSupported;
243           NDIS_802_11_AUTHENTICATION_ENCRYPTION
244                     AuthenticationEncryptionSupported[1];
245 } NDIS_802_11_CAPABILITY;
246 
247 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
248 
249 typedef struct BSSID_INFO {
250           NDIS_802_11_MAC_ADDRESS BSSID;
251           NDIS_802_11_PMKID_VALUE PMKID;
252 } BSSID_INFO;
253 
254 typedef struct NDIS_802_11_PMKID {
255           ULONG Length;
256           ULONG BSSIDInfoCount;
257           BSSID_INFO BSSIDInfo[1];
258 } NDIS_802_11_PMKID;
259 
260 typedef enum NDIS_802_11_STATUS_TYPE {
261           Ndis802_11StatusType_Authentication,
262           Ndis802_11StatusType_PMKID_CandidateList = 2,
263           Ndis802_11StatusTypeMax
264 } NDIS_802_11_STATUS_TYPE;
265 
266 typedef struct NDIS_802_11_STATUS_INDICATION {
267           NDIS_802_11_STATUS_TYPE StatusType;
268 } NDIS_802_11_STATUS_INDICATION;
269 
270 typedef struct PMKID_CANDIDATE {
271           NDIS_802_11_MAC_ADDRESS BSSID;
272           ULONG Flags;
273 } PMKID_CANDIDATE;
274 
275 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
276 
277 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
278           ULONG Version;
279           ULONG NumCandidates;
280           PMKID_CANDIDATE CandidateList[1];
281 } NDIS_802_11_PMKID_CANDIDATE_LIST;
282 
283 typedef struct NDIS_802_11_AUTHENTICATION_REQUEST {
284           ULONG Length;
285           NDIS_802_11_MAC_ADDRESS Bssid;
286           ULONG Flags;
287 } NDIS_802_11_AUTHENTICATION_REQUEST;
288 
289 #define NDIS_802_11_AUTH_REQUEST_REAUTH                     0x01
290 #define NDIS_802_11_AUTH_REQUEST_KEYUPDATE                  0x02
291 #define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR             0x06
292 #define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR                0x0E
293 
294 #endif /* OID_802_11_BSSID */
295 
296 
297 #ifndef OID_802_11_PMKID
298 /* Platform SDK for XP did not include WPA2, so add needed definitions */
299 
300 #define OID_802_11_CAPABILITY                               0x0d010122
301 #define OID_802_11_PMKID                          0x0d010123
302 
303 #define Ndis802_11AuthModeWPA2 6
304 #define Ndis802_11AuthModeWPA2PSK 7
305 
306 #define Ndis802_11StatusType_PMKID_CandidateList 2
307 
308 typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
309           NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
310           NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
311 } NDIS_802_11_AUTHENTICATION_ENCRYPTION;
312 
313 typedef struct NDIS_802_11_CAPABILITY {
314           ULONG Length;
315           ULONG Version;
316           ULONG NoOfPMKIDs;
317           ULONG NoOfAuthEncryptPairsSupported;
318           NDIS_802_11_AUTHENTICATION_ENCRYPTION
319                     AuthenticationEncryptionSupported[1];
320 } NDIS_802_11_CAPABILITY;
321 
322 typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
323 
324 typedef struct BSSID_INFO {
325           NDIS_802_11_MAC_ADDRESS BSSID;
326           NDIS_802_11_PMKID_VALUE PMKID;
327 } BSSID_INFO;
328 
329 typedef struct NDIS_802_11_PMKID {
330           ULONG Length;
331           ULONG BSSIDInfoCount;
332           BSSID_INFO BSSIDInfo[1];
333 } NDIS_802_11_PMKID;
334 
335 typedef struct PMKID_CANDIDATE {
336           NDIS_802_11_MAC_ADDRESS BSSID;
337           ULONG Flags;
338 } PMKID_CANDIDATE;
339 
340 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
341 
342 typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
343           ULONG Version;
344           ULONG NumCandidates;
345           PMKID_CANDIDATE CandidateList[1];
346 } NDIS_802_11_PMKID_CANDIDATE_LIST;
347 
348 #endif /* OID_802_11_CAPABILITY */
349 
350 
351 #ifndef OID_DOT11_CURRENT_OPERATION_MODE
352 /* Native 802.11 OIDs */
353 #define OID_DOT11_NDIS_START 0x0D010300
354 #define OID_DOT11_CURRENT_OPERATION_MODE (OID_DOT11_NDIS_START + 8)
355 #define OID_DOT11_SCAN_REQUEST (OID_DOT11_NDIS_START + 11)
356 
357 typedef enum _DOT11_BSS_TYPE {
358           dot11_BSS_type_infrastructure = 1,
359           dot11_BSS_type_independent = 2,
360           dot11_BSS_type_any = 3
361 } DOT11_BSS_TYPE, * PDOT11_BSS_TYPE;
362 
363 typedef UCHAR DOT11_MAC_ADDRESS[6];
364 typedef DOT11_MAC_ADDRESS * PDOT11_MAC_ADDRESS;
365 
366 typedef enum _DOT11_SCAN_TYPE {
367           dot11_scan_type_active = 1,
368           dot11_scan_type_passive = 2,
369           dot11_scan_type_auto = 3,
370           dot11_scan_type_forced = 0x80000000
371 } DOT11_SCAN_TYPE, * PDOT11_SCAN_TYPE;
372 
373 typedef struct _DOT11_SCAN_REQUEST_V2 {
374           DOT11_BSS_TYPE dot11BSSType;
375           DOT11_MAC_ADDRESS dot11BSSID;
376           DOT11_SCAN_TYPE dot11ScanType;
377           BOOLEAN bRestrictedScan;
378           ULONG udot11SSIDsOffset;
379           ULONG uNumOfdot11SSIDs;
380           BOOLEAN bUseRequestIE;
381           ULONG uRequestIDsOffset;
382           ULONG uNumOfRequestIDs;
383           ULONG uPhyTypeInfosOffset;
384           ULONG uNumOfPhyTypeInfos;
385           ULONG uIEsOffset;
386           ULONG uIEsLength;
387           UCHAR ucBuffer[1];
388 } DOT11_SCAN_REQUEST_V2, * PDOT11_SCAN_REQUEST_V2;
389 
390 #endif /* OID_DOT11_CURRENT_OPERATION_MODE */
391 
392 #ifdef CONFIG_USE_NDISUIO
393 #ifndef _WIN32_WCE
394 #ifdef __MINGW32_VERSION
395 typedef ULONG NDIS_OID;
396 #endif /* __MINGW32_VERSION */
397 /* from nuiouser.h */
398 #define FSCTL_NDISUIO_BASE      FILE_DEVICE_NETWORK
399 
400 #define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
401           CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
402 
403 #define IOCTL_NDISUIO_OPEN_DEVICE \
404           _NDISUIO_CTL_CODE(0x200, METHOD_BUFFERED, \
405                                 FILE_READ_ACCESS | FILE_WRITE_ACCESS)
406 
407 #define IOCTL_NDISUIO_QUERY_OID_VALUE \
408           _NDISUIO_CTL_CODE(0x201, METHOD_BUFFERED, \
409                                 FILE_READ_ACCESS | FILE_WRITE_ACCESS)
410 
411 #define IOCTL_NDISUIO_SET_OID_VALUE \
412           _NDISUIO_CTL_CODE(0x205, METHOD_BUFFERED, \
413                                 FILE_READ_ACCESS | FILE_WRITE_ACCESS)
414 
415 #define IOCTL_NDISUIO_SET_ETHER_TYPE \
416           _NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
417                                 FILE_READ_ACCESS | FILE_WRITE_ACCESS)
418 
419 #define IOCTL_NDISUIO_QUERY_BINDING \
420           _NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
421                                 FILE_READ_ACCESS | FILE_WRITE_ACCESS)
422 
423 #define IOCTL_NDISUIO_BIND_WAIT \
424           _NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
425                                 FILE_READ_ACCESS | FILE_WRITE_ACCESS)
426 
427 typedef struct _NDISUIO_QUERY_OID
428 {
429     NDIS_OID Oid;
430     UCHAR Data[sizeof(ULONG)];
431 } NDISUIO_QUERY_OID, *PNDISUIO_QUERY_OID;
432 
433 typedef struct _NDISUIO_SET_OID
434 {
435     NDIS_OID Oid;
436     UCHAR Data[sizeof(ULONG)];
437 } NDISUIO_SET_OID, *PNDISUIO_SET_OID;
438 
439 typedef struct _NDISUIO_QUERY_BINDING
440 {
441           ULONG BindingIndex;
442           ULONG DeviceNameOffset;
443           ULONG DeviceNameLength;
444           ULONG DeviceDescrOffset;
445           ULONG DeviceDescrLength;
446 } NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
447 #endif /* _WIN32_WCE */
448 #endif /* CONFIG_USE_NDISUIO */
449 
450 
ndis_get_oid(struct wpa_driver_ndis_data * drv,unsigned int oid,char * data,size_t len)451 static int ndis_get_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
452                               char *data, size_t len)
453 {
454 #ifdef CONFIG_USE_NDISUIO
455           NDISUIO_QUERY_OID *o;
456           size_t buflen = sizeof(*o) + len;
457           DWORD written;
458           int ret;
459           size_t hdrlen;
460 
461           o = os_zalloc(buflen);
462           if (o == NULL)
463                     return -1;
464           o->Oid = oid;
465 #ifdef _WIN32_WCE
466           o->ptcDeviceName = drv->adapter_name;
467 #endif /* _WIN32_WCE */
468           if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_OID_VALUE,
469                                    o, sizeof(NDISUIO_QUERY_OID), o, buflen, &written,
470                                    NULL)) {
471                     wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_QUERY_OID_VALUE "
472                                  "failed (oid=%08x): %d", oid, (int) GetLastError());
473                     os_free(o);
474                     return -1;
475           }
476           hdrlen = sizeof(NDISUIO_QUERY_OID) - sizeof(o->Data);
477           if (written < hdrlen) {
478                     wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d); "
479                                  "too short", oid, (unsigned int) written);
480                     os_free(o);
481                     return -1;
482           }
483           written -= hdrlen;
484           if (written > len) {
485                     wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d) > "
486                                  "len (%d)",oid, (unsigned int) written, len);
487                     os_free(o);
488                     return -1;
489           }
490           os_memcpy(data, o->Data, written);
491           ret = written;
492           os_free(o);
493           return ret;
494 #else /* CONFIG_USE_NDISUIO */
495           char *buf;
496           PACKET_OID_DATA *o;
497           int ret;
498 
499           buf = os_zalloc(sizeof(*o) + len);
500           if (buf == NULL)
501                     return -1;
502           o = (PACKET_OID_DATA *) buf;
503           o->Oid = oid;
504           o->Length = len;
505 
506           if (!PacketRequest(drv->adapter, FALSE, o)) {
507                     wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
508                                  __func__, oid, len);
509                     os_free(buf);
510                     return -1;
511           }
512           if (o->Length > len) {
513                     wpa_printf(MSG_DEBUG, "%s: oid=0x%x Length (%d) > len (%d)",
514                                  __func__, oid, (unsigned int) o->Length, len);
515                     os_free(buf);
516                     return -1;
517           }
518           os_memcpy(data, o->Data, o->Length);
519           ret = o->Length;
520           os_free(buf);
521           return ret;
522 #endif /* CONFIG_USE_NDISUIO */
523 }
524 
525 
ndis_set_oid(struct wpa_driver_ndis_data * drv,unsigned int oid,const char * data,size_t len)526 static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
527                               const char *data, size_t len)
528 {
529 #ifdef CONFIG_USE_NDISUIO
530           NDISUIO_SET_OID *o;
531           size_t buflen, reallen;
532           DWORD written;
533           char txt[50];
534 
535           os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
536           wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
537 
538           buflen = sizeof(*o) + len;
539           reallen = buflen - sizeof(o->Data);
540           o = os_zalloc(buflen);
541           if (o == NULL)
542                     return -1;
543           o->Oid = oid;
544 #ifdef _WIN32_WCE
545           o->ptcDeviceName = drv->adapter_name;
546 #endif /* _WIN32_WCE */
547           if (data)
548                     os_memcpy(o->Data, data, len);
549           if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_SET_OID_VALUE,
550                                    o, reallen, NULL, 0, &written, NULL)) {
551                     wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_SET_OID_VALUE "
552                                  "(oid=%08x) failed: %d", oid, (int) GetLastError());
553                     os_free(o);
554                     return -1;
555           }
556           os_free(o);
557           return 0;
558 #else /* CONFIG_USE_NDISUIO */
559           char *buf;
560           PACKET_OID_DATA *o;
561           char txt[50];
562 
563           os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
564           wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
565 
566           buf = os_zalloc(sizeof(*o) + len);
567           if (buf == NULL)
568                     return -1;
569           o = (PACKET_OID_DATA *) buf;
570           o->Oid = oid;
571           o->Length = len;
572           if (data)
573                     os_memcpy(o->Data, data, len);
574 
575           if (!PacketRequest(drv->adapter, TRUE, o)) {
576                     wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
577                                  __func__, oid, len);
578                     os_free(buf);
579                     return -1;
580           }
581           os_free(buf);
582           return 0;
583 #endif /* CONFIG_USE_NDISUIO */
584 }
585 
586 
ndis_set_auth_mode(struct wpa_driver_ndis_data * drv,int mode)587 static int ndis_set_auth_mode(struct wpa_driver_ndis_data *drv, int mode)
588 {
589           u32 auth_mode = mode;
590           if (ndis_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
591                                (char *) &auth_mode, sizeof(auth_mode)) < 0) {
592                     wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
593                                  "OID_802_11_AUTHENTICATION_MODE (%d)",
594                                  (int) auth_mode);
595                     return -1;
596           }
597           return 0;
598 }
599 
600 
ndis_get_auth_mode(struct wpa_driver_ndis_data * drv)601 static int ndis_get_auth_mode(struct wpa_driver_ndis_data *drv)
602 {
603           u32 auth_mode;
604           int res;
605           res = ndis_get_oid(drv, OID_802_11_AUTHENTICATION_MODE,
606                                  (char *) &auth_mode, sizeof(auth_mode));
607           if (res != sizeof(auth_mode)) {
608                     wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
609                                  "OID_802_11_AUTHENTICATION_MODE");
610                     return -1;
611           }
612           return auth_mode;
613 }
614 
615 
ndis_set_encr_status(struct wpa_driver_ndis_data * drv,int encr)616 static int ndis_set_encr_status(struct wpa_driver_ndis_data *drv, int encr)
617 {
618           u32 encr_status = encr;
619           if (ndis_set_oid(drv, OID_802_11_ENCRYPTION_STATUS,
620                                (char *) &encr_status, sizeof(encr_status)) < 0) {
621                     wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
622                                  "OID_802_11_ENCRYPTION_STATUS (%d)", encr);
623                     return -1;
624           }
625           return 0;
626 }
627 
628 
ndis_get_encr_status(struct wpa_driver_ndis_data * drv)629 static int ndis_get_encr_status(struct wpa_driver_ndis_data *drv)
630 {
631           u32 encr;
632           int res;
633           res = ndis_get_oid(drv, OID_802_11_ENCRYPTION_STATUS,
634                                  (char *) &encr, sizeof(encr));
635           if (res != sizeof(encr)) {
636                     wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
637                                  "OID_802_11_ENCRYPTION_STATUS");
638                     return -1;
639           }
640           return encr;
641 }
642 
643 
wpa_driver_ndis_get_bssid(void * priv,u8 * bssid)644 static int wpa_driver_ndis_get_bssid(void *priv, u8 *bssid)
645 {
646           struct wpa_driver_ndis_data *drv = priv;
647 
648           if (drv->wired) {
649                     /*
650                      * Report PAE group address as the "BSSID" for wired
651                      * connection.
652                      */
653                     os_memcpy(bssid, pae_group_addr, ETH_ALEN);
654                     return 0;
655           }
656 
657           return ndis_get_oid(drv, OID_802_11_BSSID, (char *) bssid, ETH_ALEN) <
658                     0 ? -1 : 0;
659 }
660 
661 
wpa_driver_ndis_get_ssid(void * priv,u8 * ssid)662 static int wpa_driver_ndis_get_ssid(void *priv, u8 *ssid)
663 {
664           struct wpa_driver_ndis_data *drv = priv;
665           NDIS_802_11_SSID buf;
666           int res;
667 
668           res = ndis_get_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
669           if (res < 4) {
670                     wpa_printf(MSG_DEBUG, "NDIS: Failed to get SSID");
671                     if (drv->wired) {
672                               wpa_printf(MSG_DEBUG, "NDIS: Allow get_ssid failure "
673                                            "with a wired interface");
674                               return 0;
675                     }
676                     return -1;
677           }
678           os_memcpy(ssid, buf.Ssid, buf.SsidLength);
679           return buf.SsidLength;
680 }
681 
682 
wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data * drv,const u8 * ssid,size_t ssid_len)683 static int wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data *drv,
684                                             const u8 *ssid, size_t ssid_len)
685 {
686           NDIS_802_11_SSID buf;
687 
688           os_memset(&buf, 0, sizeof(buf));
689           buf.SsidLength = ssid_len;
690           os_memcpy(buf.Ssid, ssid, ssid_len);
691           /*
692            * Make sure radio is marked enabled here so that scan request will not
693            * force SSID to be changed to a random one in order to enable radio at
694            * that point.
695            */
696           drv->radio_enabled = 1;
697           return ndis_set_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
698 }
699 
700 
701 /* Disconnect using OID_802_11_DISASSOCIATE. This will also turn the radio off.
702  */
wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data * drv)703 static int wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data *drv)
704 {
705           drv->radio_enabled = 0;
706           return ndis_set_oid(drv, OID_802_11_DISASSOCIATE, "    ", 4);
707 }
708 
709 
710 /* Disconnect by setting SSID to random (i.e., likely not used). */
wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data * drv)711 static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
712 {
713           char ssid[SSID_MAX_LEN];
714           int i;
715           for (i = 0; i < SSID_MAX_LEN; i++)
716                     ssid[i] = rand() & 0xff;
717           return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, SSID_MAX_LEN);
718 }
719 
720 
wpa_driver_ndis_deauthenticate(void * priv,const u8 * addr,u16 reason_code)721 static int wpa_driver_ndis_deauthenticate(void *priv, const u8 *addr,
722                                                     u16 reason_code)
723 {
724           struct wpa_driver_ndis_data *drv = priv;
725           return wpa_driver_ndis_disconnect(drv);
726 }
727 
728 
wpa_driver_ndis_scan_timeout(void * eloop_ctx,void * timeout_ctx)729 static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
730 {
731           wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
732           wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
733 }
734 
735 
wpa_driver_ndis_scan_native80211(struct wpa_driver_ndis_data * drv,struct wpa_driver_scan_params * params)736 static int wpa_driver_ndis_scan_native80211(
737           struct wpa_driver_ndis_data *drv,
738           struct wpa_driver_scan_params *params)
739 {
740           DOT11_SCAN_REQUEST_V2 req;
741           int res;
742 
743           os_memset(&req, 0, sizeof(req));
744           req.dot11BSSType = dot11_BSS_type_any;
745           os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
746           req.dot11ScanType = dot11_scan_type_auto;
747           res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
748                                  sizeof(req));
749           eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
750           eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
751                                      drv->ctx);
752           return res;
753 }
754 
755 
wpa_driver_ndis_scan(void * priv,struct wpa_driver_scan_params * params)756 static int wpa_driver_ndis_scan(void *priv,
757                                         struct wpa_driver_scan_params *params)
758 {
759           struct wpa_driver_ndis_data *drv = priv;
760           int res;
761 
762           if (drv->native80211)
763                     return wpa_driver_ndis_scan_native80211(drv, params);
764 
765           if (!drv->radio_enabled) {
766                     wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
767                                  " scan");
768                     if (wpa_driver_ndis_disconnect(drv) < 0) {
769                               wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
770                     }
771                     drv->radio_enabled = 1;
772           }
773 
774           res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, "    ", 4);
775           eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
776           eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
777                                      drv->ctx);
778           return res;
779 }
780 
781 
wpa_scan_get_ie(const struct wpa_scan_res * res,u8 ie)782 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
783 {
784           return get_ie((const u8 *) (res + 1), res->ie_len, ie);
785 }
786 
787 
wpa_driver_ndis_add_scan_ssid(struct wpa_scan_res * r,NDIS_802_11_SSID * ssid)788 static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
789           struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
790 {
791           struct wpa_scan_res *nr;
792           u8 *pos;
793 
794           if (wpa_scan_get_ie(r, WLAN_EID_SSID))
795                     return r; /* SSID IE already present */
796 
797           if (ssid->SsidLength == 0 || ssid->SsidLength > SSID_MAX_LEN)
798                     return r; /* No valid SSID inside scan data */
799 
800           nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
801           if (nr == NULL)
802                     return r;
803 
804           pos = ((u8 *) (nr + 1)) + nr->ie_len;
805           *pos++ = WLAN_EID_SSID;
806           *pos++ = ssid->SsidLength;
807           os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
808           nr->ie_len += 2 + ssid->SsidLength;
809 
810           return nr;
811 }
812 
813 
wpa_driver_ndis_get_scan_results(void * priv)814 static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
815 {
816           struct wpa_driver_ndis_data *drv = priv;
817           NDIS_802_11_BSSID_LIST_EX *b;
818           size_t blen, count, i;
819           int len;
820           char *pos;
821           struct wpa_scan_results *results;
822           struct wpa_scan_res *r;
823 
824           blen = 65535;
825           b = os_zalloc(blen);
826           if (b == NULL)
827                     return NULL;
828           len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
829           if (len < 0) {
830                     wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
831                     os_free(b);
832                     return NULL;
833           }
834           count = b->NumberOfItems;
835 
836           results = os_zalloc(sizeof(*results));
837           if (results == NULL) {
838                     os_free(b);
839                     return NULL;
840           }
841           results->res = os_calloc(count, sizeof(struct wpa_scan_res *));
842           if (results->res == NULL) {
843                     os_free(results);
844                     os_free(b);
845                     return NULL;
846           }
847 
848           pos = (char *) &b->Bssid[0];
849           for (i = 0; i < count; i++) {
850                     NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
851                     NDIS_802_11_FIXED_IEs *fixed;
852 
853                     if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
854                               wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
855                                            (int) bss->IELength);
856                               break;
857                     }
858                     if (((char *) bss->IEs) + bss->IELength  > (char *) b + blen) {
859                               /*
860                                * Some NDIS drivers have been reported to include an
861                                * entry with an invalid IELength in scan results and
862                                * this has crashed wpa_supplicant, so validate the
863                                * returned value before using it.
864                                */
865                               wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
866                                            "result IE (BSSID=" MACSTR ") IELength=%d",
867                                            MAC2STR(bss->MacAddress),
868                                            (int) bss->IELength);
869                               break;
870                     }
871 
872                     r = os_zalloc(sizeof(*r) + bss->IELength -
873                                     sizeof(NDIS_802_11_FIXED_IEs));
874                     if (r == NULL)
875                               break;
876 
877                     os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
878                     r->level = (int) bss->Rssi;
879                     r->freq = bss->Configuration.DSConfig / 1000;
880                     fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
881                     r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
882                     r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
883                     r->tsf = WPA_GET_LE64(fixed->Timestamp);
884                     os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
885                                 bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
886                     r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
887                     r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
888 
889                     results->res[results->num++] = r;
890 
891                     pos += bss->Length;
892                     if (pos > (char *) b + blen)
893                               break;
894           }
895 
896           os_free(b);
897 
898           return results;
899 }
900 
901 
wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data * drv,int key_idx,const u8 * addr,const u8 * bssid,int pairwise)902 static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
903                                               int key_idx, const u8 *addr,
904                                               const u8 *bssid, int pairwise)
905 {
906           NDIS_802_11_REMOVE_KEY rkey;
907           NDIS_802_11_KEY_INDEX index;
908           int res, res2;
909 
910           os_memset(&rkey, 0, sizeof(rkey));
911 
912           rkey.Length = sizeof(rkey);
913           rkey.KeyIndex = key_idx;
914           if (pairwise)
915                     rkey.KeyIndex |= 1 << 30;
916           os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
917 
918           res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
919                                  sizeof(rkey));
920           if (!pairwise) {
921                     index = key_idx;
922                     res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
923                                             (char *) &index, sizeof(index));
924           } else
925                     res2 = 0;
926 
927           if (res < 0 && res2 < 0)
928                     return -1;
929           return 0;
930 }
931 
932 
wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data * drv,int pairwise,int key_idx,int set_tx,const u8 * key,size_t key_len)933 static int wpa_driver_ndis_add_wep(struct wpa_driver_ndis_data *drv,
934                                            int pairwise, int key_idx, int set_tx,
935                                            const u8 *key, size_t key_len)
936 {
937           NDIS_802_11_WEP *wep;
938           size_t len;
939           int res;
940 
941           len = 12 + key_len;
942           wep = os_zalloc(len);
943           if (wep == NULL)
944                     return -1;
945           wep->Length = len;
946           wep->KeyIndex = key_idx;
947           if (set_tx)
948                     wep->KeyIndex |= 1 << 31;
949 #if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
950           if (pairwise)
951                     wep->KeyIndex |= 1 << 30;
952 #endif
953           wep->KeyLength = key_len;
954           os_memcpy(wep->KeyMaterial, key, key_len);
955 
956           wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
957                               (u8 *) wep, len);
958           res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
959 
960           os_free(wep);
961 
962           return res;
963 }
964 
965 
wpa_driver_ndis_set_key(const char * ifname,void * priv,enum wpa_alg alg,const u8 * addr,int key_idx,int set_tx,const u8 * seq,size_t seq_len,const u8 * key,size_t key_len)966 static int wpa_driver_ndis_set_key(const char *ifname, void *priv,
967                                            enum wpa_alg alg, const u8 *addr,
968                                            int key_idx, int set_tx,
969                                            const u8 *seq, size_t seq_len,
970                                            const u8 *key, size_t key_len)
971 {
972           struct wpa_driver_ndis_data *drv = priv;
973           size_t len, i;
974           NDIS_802_11_KEY *nkey;
975           int res, pairwise;
976           u8 bssid[ETH_ALEN];
977 
978           if (addr == NULL || is_broadcast_ether_addr(addr)) {
979                     /* Group Key */
980                     pairwise = 0;
981                     if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
982                               os_memset(bssid, 0xff, ETH_ALEN);
983           } else {
984                     /* Pairwise Key */
985                     pairwise = 1;
986                     os_memcpy(bssid, addr, ETH_ALEN);
987           }
988 
989           if (alg == WPA_ALG_NONE || key_len == 0) {
990                     return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
991                                                               pairwise);
992           }
993 
994           if (alg == WPA_ALG_WEP) {
995                     return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
996                                                          key, key_len);
997           }
998 
999           len = 12 + 6 + 6 + 8 + key_len;
1000 
1001           nkey = os_zalloc(len);
1002           if (nkey == NULL)
1003                     return -1;
1004 
1005           nkey->Length = len;
1006           nkey->KeyIndex = key_idx;
1007           if (set_tx)
1008                     nkey->KeyIndex |= 1 << 31;
1009           if (pairwise)
1010                     nkey->KeyIndex |= 1 << 30;
1011           if (seq && seq_len)
1012                     nkey->KeyIndex |= 1 << 29;
1013           nkey->KeyLength = key_len;
1014           os_memcpy(nkey->BSSID, bssid, ETH_ALEN);
1015           if (seq && seq_len) {
1016                     for (i = 0; i < seq_len; i++)
1017                               nkey->KeyRSC |= (ULONGLONG) seq[i] << (i * 8);
1018           }
1019           if (alg == WPA_ALG_TKIP && key_len == 32) {
1020                     os_memcpy(nkey->KeyMaterial, key, 16);
1021                     os_memcpy(nkey->KeyMaterial + 16, key + 24, 8);
1022                     os_memcpy(nkey->KeyMaterial + 24, key + 16, 8);
1023           } else {
1024                     os_memcpy(nkey->KeyMaterial, key, key_len);
1025           }
1026 
1027           wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_KEY",
1028                               (u8 *) nkey, len);
1029           res = ndis_set_oid(drv, OID_802_11_ADD_KEY, (char *) nkey, len);
1030           os_free(nkey);
1031 
1032           return res;
1033 }
1034 
1035 
1036 static int
wpa_driver_ndis_set_key_wrapper(void * priv,struct wpa_driver_set_key_params * params)1037 wpa_driver_ndis_set_key_wrapper(void *priv,
1038                                         struct wpa_driver_set_key_params *params)
1039 {
1040           return wpa_driver_ndis_set_key(params->ifname, priv,
1041                                                params->alg, params->addr,
1042                                                params->key_idx, params->set_tx,
1043                                                params->seq, params->seq_len,
1044                                                params->key, params->key_len);
1045 }
1046 
1047 
1048 static int
wpa_driver_ndis_associate(void * priv,struct wpa_driver_associate_params * params)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 stub_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 stub 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, stub_key,
1127                                                             sizeof(stub_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 
wpa_driver_ndis_set_pmkid(struct wpa_driver_ndis_data * drv)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 
wpa_driver_ndis_add_pmkid(void * priv,struct wpa_pmkid_params * params)1235 static int wpa_driver_ndis_add_pmkid(void *priv,
1236                                              struct wpa_pmkid_params *params)
1237 {
1238           struct wpa_driver_ndis_data *drv = priv;
1239           struct ndis_pmkid_entry *entry, *prev;
1240           const u8 *bssid = params->bssid;
1241           const u8 *pmkid = params->pmkid;
1242 
1243           if (!bssid || !pmkid)
1244                     return -1;
1245           if (drv->no_of_pmkid == 0)
1246                     return 0;
1247 
1248           prev = NULL;
1249           entry = drv->pmkid;
1250           while (entry) {
1251                     if (ether_addr_equal(entry->bssid, bssid))
1252                               break;
1253                     prev = entry;
1254                     entry = entry->next;
1255           }
1256 
1257           if (entry) {
1258                     /* Replace existing entry for this BSSID and move it into the
1259                      * beginning of the list. */
1260                     os_memcpy(entry->pmkid, pmkid, 16);
1261                     if (prev) {
1262                               prev->next = entry->next;
1263                               entry->next = drv->pmkid;
1264                               drv->pmkid = entry;
1265                     }
1266           } else {
1267                     entry = os_malloc(sizeof(*entry));
1268                     if (entry) {
1269                               os_memcpy(entry->bssid, bssid, ETH_ALEN);
1270                               os_memcpy(entry->pmkid, pmkid, 16);
1271                               entry->next = drv->pmkid;
1272                               drv->pmkid = entry;
1273                     }
1274           }
1275 
1276           return wpa_driver_ndis_set_pmkid(drv);
1277 }
1278 
1279 
wpa_driver_ndis_remove_pmkid(void * priv,struct wpa_pmkid_params * params)1280 static int wpa_driver_ndis_remove_pmkid(void *priv,
1281                                                   struct wpa_pmkid_params *params)
1282 {
1283           struct wpa_driver_ndis_data *drv = priv;
1284           struct ndis_pmkid_entry *entry, *prev;
1285           const u8 *bssid = params->bssid;
1286           const u8 *pmkid = params->pmkid;
1287 
1288           if (!bssid || !pmkid)
1289                     return -1;
1290           if (drv->no_of_pmkid == 0)
1291                     return 0;
1292 
1293           entry = drv->pmkid;
1294           prev = NULL;
1295           while (entry) {
1296                     if (ether_addr_equal(entry->bssid, bssid) &&
1297                         os_memcmp(entry->pmkid, pmkid, 16) == 0) {
1298                               if (prev)
1299                                         prev->next = entry->next;
1300                               else
1301                                         drv->pmkid = entry->next;
1302                               os_free(entry);
1303                               break;
1304                     }
1305                     prev = entry;
1306                     entry = entry->next;
1307           }
1308           return wpa_driver_ndis_set_pmkid(drv);
1309 }
1310 
1311 
wpa_driver_ndis_flush_pmkid(void * priv)1312 static int wpa_driver_ndis_flush_pmkid(void *priv)
1313 {
1314           struct wpa_driver_ndis_data *drv = priv;
1315           NDIS_802_11_PMKID p;
1316           struct ndis_pmkid_entry *pmkid, *prev;
1317           int prev_authmode, ret;
1318 
1319           if (drv->no_of_pmkid == 0)
1320                     return 0;
1321 
1322           pmkid = drv->pmkid;
1323           drv->pmkid = NULL;
1324           while (pmkid) {
1325                     prev = pmkid;
1326                     pmkid = pmkid->next;
1327                     os_free(prev);
1328           }
1329 
1330           /*
1331            * Some drivers may refuse OID_802_11_PMKID if authMode is not set to
1332            * WPA2, so change authMode temporarily, if needed.
1333            */
1334           prev_authmode = ndis_get_auth_mode(drv);
1335           if (prev_authmode != Ndis802_11AuthModeWPA2)
1336                     ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA2);
1337 
1338           os_memset(&p, 0, sizeof(p));
1339           p.Length = 8;
1340           p.BSSIDInfoCount = 0;
1341           wpa_hexdump(MSG_MSGDUMP, "NDIS: OID_802_11_PMKID (flush)",
1342                         (u8 *) &p, 8);
1343           ret = ndis_set_oid(drv, OID_802_11_PMKID, (char *) &p, 8);
1344 
1345           if (prev_authmode != Ndis802_11AuthModeWPA2)
1346                     ndis_set_auth_mode(drv, prev_authmode);
1347 
1348           return ret;
1349 }
1350 
1351 
wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data * drv)1352 static int wpa_driver_ndis_get_associnfo(struct wpa_driver_ndis_data *drv)
1353 {
1354           char buf[512], *pos;
1355           NDIS_802_11_ASSOCIATION_INFORMATION *ai;
1356           int len;
1357           union wpa_event_data data;
1358           NDIS_802_11_BSSID_LIST_EX *b;
1359           size_t blen, i;
1360 
1361           len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION, buf,
1362                                  sizeof(buf));
1363           if (len < 0) {
1364                     wpa_printf(MSG_DEBUG, "NDIS: failed to get association "
1365                                  "information");
1366                     return -1;
1367           }
1368           if (len > sizeof(buf)) {
1369                     /* Some drivers seem to be producing incorrect length for this
1370                      * data. Limit the length to the current buffer size to avoid
1371                      * crashing in hexdump. The data seems to be otherwise valid,
1372                      * so better try to use it. */
1373                     wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association "
1374                                  "information length %d", len);
1375                     len = ndis_get_oid(drv, OID_802_11_ASSOCIATION_INFORMATION,
1376                                            buf, sizeof(buf));
1377                     if (len < -1) {
1378                               wpa_printf(MSG_DEBUG, "NDIS: re-reading association "
1379                                            "information failed");
1380                               return -1;
1381                     }
1382                     if (len > sizeof(buf)) {
1383                               wpa_printf(MSG_DEBUG, "NDIS: ignored bogus association"
1384                                            " information length %d (re-read)", len);
1385                               len = sizeof(buf);
1386                     }
1387           }
1388           wpa_hexdump(MSG_MSGDUMP, "NDIS: association information",
1389                         (u8 *) buf, len);
1390           if (len < sizeof(*ai)) {
1391                     wpa_printf(MSG_DEBUG, "NDIS: too short association "
1392                                  "information");
1393                     return -1;
1394           }
1395           ai = (NDIS_802_11_ASSOCIATION_INFORMATION *) buf;
1396           wpa_printf(MSG_DEBUG, "NDIS: ReqFixed=0x%x RespFixed=0x%x off_req=%d "
1397                        "off_resp=%d len_req=%d len_resp=%d",
1398                        ai->AvailableRequestFixedIEs, ai->AvailableResponseFixedIEs,
1399                        (int) ai->OffsetRequestIEs, (int) ai->OffsetResponseIEs,
1400                        (int) ai->RequestIELength, (int) ai->ResponseIELength);
1401 
1402           if (ai->OffsetRequestIEs + ai->RequestIELength > (unsigned) len ||
1403               ai->OffsetResponseIEs + ai->ResponseIELength > (unsigned) len) {
1404                     wpa_printf(MSG_DEBUG, "NDIS: association information - "
1405                                  "IE overflow");
1406                     return -1;
1407           }
1408 
1409           wpa_hexdump(MSG_MSGDUMP, "NDIS: Request IEs",
1410                         (u8 *) buf + ai->OffsetRequestIEs, ai->RequestIELength);
1411           wpa_hexdump(MSG_MSGDUMP, "NDIS: Response IEs",
1412                         (u8 *) buf + ai->OffsetResponseIEs, ai->ResponseIELength);
1413 
1414           os_memset(&data, 0, sizeof(data));
1415           data.assoc_info.req_ies = (u8 *) buf + ai->OffsetRequestIEs;
1416           data.assoc_info.req_ies_len = ai->RequestIELength;
1417           data.assoc_info.resp_ies = (u8 *) buf + ai->OffsetResponseIEs;
1418           data.assoc_info.resp_ies_len = ai->ResponseIELength;
1419 
1420           blen = 65535;
1421           b = os_zalloc(blen);
1422           if (b == NULL)
1423                     goto skip_scan_results;
1424           len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
1425           if (len < 0) {
1426                     wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
1427                     os_free(b);
1428                     b = NULL;
1429                     goto skip_scan_results;
1430           }
1431           wpa_printf(MSG_DEBUG, "NDIS: %d BSSID items to process for AssocInfo",
1432                        (unsigned int) b->NumberOfItems);
1433 
1434           pos = (char *) &b->Bssid[0];
1435           for (i = 0; i < b->NumberOfItems; i++) {
1436                     NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
1437                     if (ether_addr_equal(drv->bssid, bss->MacAddress) &&
1438                         bss->IELength > sizeof(NDIS_802_11_FIXED_IEs)) {
1439                               data.assoc_info.beacon_ies =
1440                                         ((u8 *) bss->IEs) +
1441                                         sizeof(NDIS_802_11_FIXED_IEs);
1442                               data.assoc_info.beacon_ies_len =
1443                                         bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
1444                               wpa_hexdump(MSG_MSGDUMP, "NDIS: Beacon IEs",
1445                                             data.assoc_info.beacon_ies,
1446                                             data.assoc_info.beacon_ies_len);
1447                               break;
1448                     }
1449                     pos += bss->Length;
1450                     if (pos > (char *) b + blen)
1451                               break;
1452           }
1453 
1454 skip_scan_results:
1455           wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &data);
1456 
1457           os_free(b);
1458 
1459           return 0;
1460 }
1461 
1462 
wpa_driver_ndis_poll_timeout(void * eloop_ctx,void * timeout_ctx)1463 static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx)
1464 {
1465           struct wpa_driver_ndis_data *drv = eloop_ctx;
1466           u8 bssid[ETH_ALEN];
1467           int poll;
1468 
1469           if (drv->wired)
1470                     return;
1471 
1472           if (wpa_driver_ndis_get_bssid(drv, bssid)) {
1473                     /* Disconnected */
1474                     if (!is_zero_ether_addr(drv->bssid)) {
1475                               os_memset(drv->bssid, 0, ETH_ALEN);
1476                               wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1477                     }
1478           } else {
1479                     /* Connected */
1480                     if (!ether_addr_equal(drv->bssid, bssid)) {
1481                               os_memcpy(drv->bssid, bssid, ETH_ALEN);
1482                               wpa_driver_ndis_get_associnfo(drv);
1483                               wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1484                     }
1485           }
1486 
1487           /* When using integrated NDIS event receiver, we can skip BSSID
1488            * polling when using infrastructure network. However, when using
1489            * IBSS mode, many driver do not seem to generate connection event,
1490            * so we need to enable BSSID polling to figure out when IBSS network
1491            * has been formed.
1492            */
1493           poll = drv->mode == IEEE80211_MODE_IBSS;
1494 #ifndef CONFIG_NDIS_EVENTS_INTEGRATED
1495 #ifndef _WIN32_WCE
1496           poll = 1;
1497 #endif /* _WIN32_WCE */
1498 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
1499 
1500           if (poll) {
1501                     eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout,
1502                                                   drv, NULL);
1503           }
1504 }
1505 
1506 
wpa_driver_ndis_poll(void * priv)1507 static void wpa_driver_ndis_poll(void *priv)
1508 {
1509           struct wpa_driver_ndis_data *drv = priv;
1510           eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
1511           wpa_driver_ndis_poll_timeout(drv, NULL);
1512 }
1513 
1514 
1515 /* Called when driver generates Media Connect Event by calling
1516  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_CONNECT */
wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data * drv)1517 void wpa_driver_ndis_event_connect(struct wpa_driver_ndis_data *drv)
1518 {
1519           wpa_printf(MSG_DEBUG, "NDIS: Media Connect Event");
1520           if (wpa_driver_ndis_get_bssid(drv, drv->bssid) == 0) {
1521                     wpa_driver_ndis_get_associnfo(drv);
1522                     wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1523           }
1524 }
1525 
1526 
1527 /* Called when driver generates Media Disconnect Event by calling
1528  * NdisMIndicateStatus() with NDIS_STATUS_MEDIA_DISCONNECT */
wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data * drv)1529 void wpa_driver_ndis_event_disconnect(struct wpa_driver_ndis_data *drv)
1530 {
1531           wpa_printf(MSG_DEBUG, "NDIS: Media Disconnect Event");
1532           os_memset(drv->bssid, 0, ETH_ALEN);
1533           wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1534 }
1535 
1536 
wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data * drv,const u8 * data,size_t data_len)1537 static void wpa_driver_ndis_event_auth(struct wpa_driver_ndis_data *drv,
1538                                                const u8 *data, size_t data_len)
1539 {
1540           NDIS_802_11_AUTHENTICATION_REQUEST *req;
1541           int pairwise = 0, group = 0;
1542           union wpa_event_data event;
1543 
1544           if (data_len < sizeof(*req)) {
1545                     wpa_printf(MSG_DEBUG, "NDIS: Too short Authentication Request "
1546                                  "Event (len=%d)", data_len);
1547                     return;
1548           }
1549           req = (NDIS_802_11_AUTHENTICATION_REQUEST *) data;
1550 
1551           wpa_printf(MSG_DEBUG, "NDIS: Authentication Request Event: "
1552                        "Bssid " MACSTR " Flags 0x%x",
1553                        MAC2STR(req->Bssid), (int) req->Flags);
1554 
1555           if ((req->Flags & NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR) ==
1556               NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR)
1557                     pairwise = 1;
1558           else if ((req->Flags & NDIS_802_11_AUTH_REQUEST_GROUP_ERROR) ==
1559               NDIS_802_11_AUTH_REQUEST_GROUP_ERROR)
1560                     group = 1;
1561 
1562           if (pairwise || group) {
1563                     os_memset(&event, 0, sizeof(event));
1564                     event.michael_mic_failure.unicast = pairwise;
1565                     wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE,
1566                                              &event);
1567           }
1568 }
1569 
1570 
wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data * drv,const u8 * data,size_t data_len)1571 static void wpa_driver_ndis_event_pmkid(struct wpa_driver_ndis_data *drv,
1572                                                   const u8 *data, size_t data_len)
1573 {
1574           NDIS_802_11_PMKID_CANDIDATE_LIST *pmkid;
1575           size_t i;
1576           union wpa_event_data event;
1577 
1578           if (data_len < 8) {
1579                     wpa_printf(MSG_DEBUG, "NDIS: Too short PMKID Candidate List "
1580                                  "Event (len=%d)", data_len);
1581                     return;
1582           }
1583           pmkid = (NDIS_802_11_PMKID_CANDIDATE_LIST *) data;
1584           wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List Event - Version %d "
1585                        "NumCandidates %d",
1586                        (int) pmkid->Version, (int) pmkid->NumCandidates);
1587 
1588           if (pmkid->Version != 1) {
1589                     wpa_printf(MSG_DEBUG, "NDIS: Unsupported PMKID Candidate List "
1590                                  "Version %d", (int) pmkid->Version);
1591                     return;
1592           }
1593 
1594           if (data_len < 8 + pmkid->NumCandidates * sizeof(PMKID_CANDIDATE)) {
1595                     wpa_printf(MSG_DEBUG, "NDIS: PMKID Candidate List underflow");
1596                     return;
1597           }
1598 
1599           os_memset(&event, 0, sizeof(event));
1600           for (i = 0; i < pmkid->NumCandidates; i++) {
1601                     PMKID_CANDIDATE *p = &pmkid->CandidateList[i];
1602                     wpa_printf(MSG_DEBUG, "NDIS: %d: " MACSTR " Flags 0x%x",
1603                                  i, MAC2STR(p->BSSID), (int) p->Flags);
1604                     os_memcpy(event.pmkid_candidate.bssid, p->BSSID, ETH_ALEN);
1605                     event.pmkid_candidate.index = i;
1606                     event.pmkid_candidate.preauth =
1607                               p->Flags & NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED;
1608                     wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE,
1609                                              &event);
1610           }
1611 }
1612 
1613 
1614 /* Called when driver calls NdisMIndicateStatus() with
1615  * NDIS_STATUS_MEDIA_SPECIFIC_INDICATION */
wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data * drv,const u8 * data,size_t data_len)1616 void wpa_driver_ndis_event_media_specific(struct wpa_driver_ndis_data *drv,
1617                                                     const u8 *data, size_t data_len)
1618 {
1619           NDIS_802_11_STATUS_INDICATION *status;
1620 
1621           if (data == NULL || data_len < sizeof(*status))
1622                     return;
1623 
1624           wpa_hexdump(MSG_DEBUG, "NDIS: Media Specific Indication",
1625                         data, data_len);
1626 
1627           status = (NDIS_802_11_STATUS_INDICATION *) data;
1628           data += sizeof(status);
1629           data_len -= sizeof(status);
1630 
1631           switch (status->StatusType) {
1632           case Ndis802_11StatusType_Authentication:
1633                     wpa_driver_ndis_event_auth(drv, data, data_len);
1634                     break;
1635           case Ndis802_11StatusType_PMKID_CandidateList:
1636                     wpa_driver_ndis_event_pmkid(drv, data, data_len);
1637                     break;
1638           default:
1639                     wpa_printf(MSG_DEBUG, "NDIS: Unknown StatusType %d",
1640                                  (int) status->StatusType);
1641                     break;
1642           }
1643 }
1644 
1645 
1646 /* Called when an adapter is added */
wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data * drv)1647 void wpa_driver_ndis_event_adapter_arrival(struct wpa_driver_ndis_data *drv)
1648 {
1649           union wpa_event_data event;
1650           int i;
1651 
1652           wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Arrival");
1653 
1654           for (i = 0; i < 30; i++) {
1655                     /* Re-open Packet32/NDISUIO connection */
1656                     wpa_driver_ndis_adapter_close(drv);
1657                     if (wpa_driver_ndis_adapter_init(drv) < 0 ||
1658                         wpa_driver_ndis_adapter_open(drv) < 0) {
1659                               wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialization "
1660                                            "(%d) failed", i);
1661                               os_sleep(1, 0);
1662                     } else {
1663                               wpa_printf(MSG_DEBUG, "NDIS: Driver re-initialized");
1664                               break;
1665                     }
1666           }
1667 
1668           os_memset(&event, 0, sizeof(event));
1669           os_strlcpy(event.interface_status.ifname, drv->ifname,
1670                        sizeof(event.interface_status.ifname));
1671           event.interface_status.ievent = EVENT_INTERFACE_ADDED;
1672           wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1673 }
1674 
1675 
1676 /* Called when an adapter is removed */
wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data * drv)1677 void wpa_driver_ndis_event_adapter_removal(struct wpa_driver_ndis_data *drv)
1678 {
1679           union wpa_event_data event;
1680 
1681           wpa_printf(MSG_DEBUG, "NDIS: Notify Adapter Removal");
1682           os_memset(&event, 0, sizeof(event));
1683           os_strlcpy(event.interface_status.ifname, drv->ifname,
1684                        sizeof(event.interface_status.ifname));
1685           event.interface_status.ievent = EVENT_INTERFACE_REMOVED;
1686           wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
1687 }
1688 
1689 
1690 static void
wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data * drv)1691 wpa_driver_ndis_get_wpa_capability(struct wpa_driver_ndis_data *drv)
1692 {
1693           wpa_printf(MSG_DEBUG, "NDIS: verifying driver WPA capability");
1694 
1695           if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPA) == 0 &&
1696               ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPA) {
1697                     wpa_printf(MSG_DEBUG, "NDIS: WPA key management supported");
1698                     drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1699           }
1700 
1701           if (ndis_set_auth_mode(drv, Ndis802_11AuthModeWPAPSK) == 0 &&
1702               ndis_get_auth_mode(drv) == Ndis802_11AuthModeWPAPSK) {
1703                     wpa_printf(MSG_DEBUG, "NDIS: WPA-PSK key management "
1704                                  "supported");
1705                     drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1706           }
1707 
1708           if (ndis_set_encr_status(drv, Ndis802_11Encryption3Enabled) == 0 &&
1709               ndis_get_encr_status(drv) == Ndis802_11Encryption3KeyAbsent) {
1710                     wpa_printf(MSG_DEBUG, "NDIS: CCMP encryption supported");
1711                     drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1712           }
1713 
1714           if (ndis_set_encr_status(drv, Ndis802_11Encryption2Enabled) == 0 &&
1715               ndis_get_encr_status(drv) == Ndis802_11Encryption2KeyAbsent) {
1716                     wpa_printf(MSG_DEBUG, "NDIS: TKIP encryption supported");
1717                     drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1718           }
1719 
1720           if (ndis_set_encr_status(drv, Ndis802_11Encryption1Enabled) == 0 &&
1721               ndis_get_encr_status(drv) == Ndis802_11Encryption1KeyAbsent) {
1722                     wpa_printf(MSG_DEBUG, "NDIS: WEP encryption supported");
1723                     drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40 |
1724                               WPA_DRIVER_CAPA_ENC_WEP104;
1725           }
1726 
1727           if (ndis_set_auth_mode(drv, Ndis802_11AuthModeShared) == 0 &&
1728               ndis_get_auth_mode(drv) == Ndis802_11AuthModeShared) {
1729                     drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1730           }
1731 
1732           if (ndis_set_auth_mode(drv, Ndis802_11AuthModeOpen) == 0 &&
1733               ndis_get_auth_mode(drv) == Ndis802_11AuthModeOpen) {
1734                     drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1735           }
1736 
1737           ndis_set_encr_status(drv, Ndis802_11EncryptionDisabled);
1738 
1739           /* Could also verify OID_802_11_ADD_KEY error reporting and
1740            * support for OID_802_11_ASSOCIATION_INFORMATION. */
1741 
1742           if (drv->capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA &&
1743               drv->capa.enc & (WPA_DRIVER_CAPA_ENC_TKIP |
1744                                    WPA_DRIVER_CAPA_ENC_CCMP)) {
1745                     wpa_printf(MSG_DEBUG, "NDIS: driver supports WPA");
1746                     drv->has_capability = 1;
1747           } else {
1748                     wpa_printf(MSG_DEBUG, "NDIS: no WPA support found");
1749           }
1750 
1751           wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1752                        "enc 0x%x auth 0x%x",
1753                        drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1754 }
1755 
1756 
wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data * drv)1757 static void wpa_driver_ndis_get_capability(struct wpa_driver_ndis_data *drv)
1758 {
1759           char buf[512];
1760           int len;
1761           size_t i;
1762           NDIS_802_11_CAPABILITY *c;
1763 
1764           drv->capa.flags = WPA_DRIVER_FLAGS_DRIVER_IE;
1765 
1766           len = ndis_get_oid(drv, OID_802_11_CAPABILITY, buf, sizeof(buf));
1767           if (len < 0) {
1768                     wpa_driver_ndis_get_wpa_capability(drv);
1769                     return;
1770           }
1771 
1772           wpa_hexdump(MSG_MSGDUMP, "OID_802_11_CAPABILITY", (u8 *) buf, len);
1773           c = (NDIS_802_11_CAPABILITY *) buf;
1774           if (len < sizeof(*c) || c->Version != 2) {
1775                     wpa_printf(MSG_DEBUG, "NDIS: unsupported "
1776                                  "OID_802_11_CAPABILITY data");
1777                     return;
1778           }
1779           wpa_printf(MSG_DEBUG, "NDIS: Driver supports OID_802_11_CAPABILITY - "
1780                        "NoOfPMKIDs %d NoOfAuthEncrPairs %d",
1781                        (int) c->NoOfPMKIDs,
1782                        (int) c->NoOfAuthEncryptPairsSupported);
1783           drv->has_capability = 1;
1784           drv->no_of_pmkid = c->NoOfPMKIDs;
1785           for (i = 0; i < c->NoOfAuthEncryptPairsSupported; i++) {
1786                     NDIS_802_11_AUTHENTICATION_ENCRYPTION *ae;
1787                     ae = &c->AuthenticationEncryptionSupported[i];
1788                     if ((char *) (ae + 1) > buf + len) {
1789                               wpa_printf(MSG_DEBUG, "NDIS: auth/encr pair list "
1790                                            "overflow");
1791                               break;
1792                     }
1793                     wpa_printf(MSG_MSGDUMP, "NDIS: %d - auth %d encr %d",
1794                                  i, (int) ae->AuthModeSupported,
1795                                  (int) ae->EncryptStatusSupported);
1796                     switch (ae->AuthModeSupported) {
1797                     case Ndis802_11AuthModeOpen:
1798                               drv->capa.auth |= WPA_DRIVER_AUTH_OPEN;
1799                               break;
1800                     case Ndis802_11AuthModeShared:
1801                               drv->capa.auth |= WPA_DRIVER_AUTH_SHARED;
1802                               break;
1803                     case Ndis802_11AuthModeWPA:
1804                               drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA;
1805                               break;
1806                     case Ndis802_11AuthModeWPAPSK:
1807                               drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK;
1808                               break;
1809                     case Ndis802_11AuthModeWPA2:
1810                               drv->capa.key_mgmt |= WPA_DRIVER_CAPA_KEY_MGMT_WPA2;
1811                               break;
1812                     case Ndis802_11AuthModeWPA2PSK:
1813                               drv->capa.key_mgmt |=
1814                                         WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK;
1815                               break;
1816                     case Ndis802_11AuthModeWPANone:
1817                               drv->capa.key_mgmt |=
1818                                         WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
1819                               break;
1820                     default:
1821                               break;
1822                     }
1823                     switch (ae->EncryptStatusSupported) {
1824                     case Ndis802_11Encryption1Enabled:
1825                               drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP40;
1826                               drv->capa.enc |= WPA_DRIVER_CAPA_ENC_WEP104;
1827                               break;
1828                     case Ndis802_11Encryption2Enabled:
1829                               drv->capa.enc |= WPA_DRIVER_CAPA_ENC_TKIP;
1830                               break;
1831                     case Ndis802_11Encryption3Enabled:
1832                               drv->capa.enc |= WPA_DRIVER_CAPA_ENC_CCMP;
1833                               break;
1834                     default:
1835                               break;
1836                     }
1837           }
1838 
1839           wpa_printf(MSG_DEBUG, "NDIS: driver capabilities: key_mgmt 0x%x "
1840                        "enc 0x%x auth 0x%x",
1841                        drv->capa.key_mgmt, drv->capa.enc, drv->capa.auth);
1842 }
1843 
1844 
wpa_driver_ndis_get_capa(void * priv,struct wpa_driver_capa * capa)1845 static int wpa_driver_ndis_get_capa(void *priv, struct wpa_driver_capa *capa)
1846 {
1847           struct wpa_driver_ndis_data *drv = priv;
1848           if (!drv->has_capability)
1849                     return -1;
1850           os_memcpy(capa, &drv->capa, sizeof(*capa));
1851           return 0;
1852 }
1853 
1854 
wpa_driver_ndis_get_ifname(void * priv)1855 static const char * wpa_driver_ndis_get_ifname(void *priv)
1856 {
1857           struct wpa_driver_ndis_data *drv = priv;
1858           return drv->ifname;
1859 }
1860 
1861 
wpa_driver_ndis_get_mac_addr(void * priv)1862 static const u8 * wpa_driver_ndis_get_mac_addr(void *priv)
1863 {
1864           struct wpa_driver_ndis_data *drv = priv;
1865           return drv->own_addr;
1866 }
1867 
1868 
1869 #ifdef _WIN32_WCE
1870 
1871 #define NDISUIO_MSG_SIZE (sizeof(NDISUIO_DEVICE_NOTIFICATION) + 512)
1872 
ndisuio_notification_receive(void * eloop_data,void * user_ctx)1873 static void ndisuio_notification_receive(void *eloop_data, void *user_ctx)
1874 {
1875           struct wpa_driver_ndis_data *drv = eloop_data;
1876           NDISUIO_DEVICE_NOTIFICATION *hdr;
1877           u8 buf[NDISUIO_MSG_SIZE];
1878           DWORD len, flags;
1879 
1880           if (!ReadMsgQueue(drv->event_queue, buf, NDISUIO_MSG_SIZE, &len, 0,
1881                                 &flags)) {
1882                     wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1883                                  "ReadMsgQueue failed: %d", (int) GetLastError());
1884                     return;
1885           }
1886 
1887           if (len < sizeof(NDISUIO_DEVICE_NOTIFICATION)) {
1888                     wpa_printf(MSG_DEBUG, "ndisuio_notification_receive: "
1889                                  "Too short message (len=%d)", (int) len);
1890                     return;
1891           }
1892 
1893           hdr = (NDISUIO_DEVICE_NOTIFICATION *) buf;
1894           wpa_printf(MSG_DEBUG, "NDIS: Notification received: len=%d type=0x%x",
1895                        (int) len, hdr->dwNotificationType);
1896 
1897           switch (hdr->dwNotificationType) {
1898 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
1899           case NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL:
1900                     wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_ARRIVAL");
1901                     wpa_driver_ndis_event_adapter_arrival(drv);
1902                     break;
1903 #endif
1904 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
1905           case NDISUIO_NOTIFICATION_ADAPTER_REMOVAL:
1906                     wpa_printf(MSG_DEBUG, "NDIS: ADAPTER_REMOVAL");
1907                     wpa_driver_ndis_event_adapter_removal(drv);
1908                     break;
1909 #endif
1910           case NDISUIO_NOTIFICATION_MEDIA_CONNECT:
1911                     wpa_printf(MSG_DEBUG, "NDIS: MEDIA_CONNECT");
1912                     SetEvent(drv->connected_event);
1913                     wpa_driver_ndis_event_connect(drv);
1914                     break;
1915           case NDISUIO_NOTIFICATION_MEDIA_DISCONNECT:
1916                     ResetEvent(drv->connected_event);
1917                     wpa_printf(MSG_DEBUG, "NDIS: MEDIA_DISCONNECT");
1918                     wpa_driver_ndis_event_disconnect(drv);
1919                     break;
1920           case NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION:
1921                     wpa_printf(MSG_DEBUG, "NDIS: MEDIA_SPECIFIC_NOTIFICATION");
1922 #if _WIN32_WCE == 420 || _WIN32_WCE == 0x420
1923                     wpa_driver_ndis_event_media_specific(
1924                               drv, hdr->pvStatusBuffer, hdr->uiStatusBufferSize);
1925 #else
1926                     wpa_driver_ndis_event_media_specific(
1927                               drv, ((const u8 *) hdr) + hdr->uiOffsetToStatusBuffer,
1928                               (size_t) hdr->uiStatusBufferSize);
1929 #endif
1930                     break;
1931           default:
1932                     wpa_printf(MSG_DEBUG, "NDIS: Unknown notification type 0x%x",
1933                                  hdr->dwNotificationType);
1934                     break;
1935           }
1936 }
1937 
1938 
ndisuio_notification_deinit(struct wpa_driver_ndis_data * drv)1939 static void ndisuio_notification_deinit(struct wpa_driver_ndis_data *drv)
1940 {
1941           NDISUIO_REQUEST_NOTIFICATION req;
1942 
1943           memset(&req, 0, sizeof(req));
1944           req.hMsgQueue = drv->event_queue;
1945           req.dwNotificationTypes = 0;
1946 
1947           if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
1948                                    &req, sizeof(req), NULL, 0, NULL, NULL)) {
1949                     wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1950                                  "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
1951                                  (int) GetLastError());
1952           }
1953 
1954           if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_CANCEL_NOTIFICATION,
1955                                    NULL, 0, NULL, 0, NULL, NULL)) {
1956                     wpa_printf(MSG_INFO, "ndisuio_notification_deinit: "
1957                                  "IOCTL_NDISUIO_CANCEL_NOTIFICATION failed: %d",
1958                                  (int) GetLastError());
1959           }
1960 
1961           if (drv->event_queue) {
1962                     eloop_unregister_event(drv->event_queue,
1963                                                sizeof(drv->event_queue));
1964                     CloseHandle(drv->event_queue);
1965                     drv->event_queue = NULL;
1966           }
1967 
1968           if (drv->connected_event) {
1969                     CloseHandle(drv->connected_event);
1970                     drv->connected_event = NULL;
1971           }
1972 }
1973 
1974 
ndisuio_notification_init(struct wpa_driver_ndis_data * drv)1975 static int ndisuio_notification_init(struct wpa_driver_ndis_data *drv)
1976 {
1977           MSGQUEUEOPTIONS opt;
1978           NDISUIO_REQUEST_NOTIFICATION req;
1979 
1980           drv->connected_event =
1981                     CreateEvent(NULL, TRUE, FALSE, TEXT("WpaSupplicantConnected"));
1982           if (drv->connected_event == NULL) {
1983                     wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1984                                  "CreateEvent failed: %d",
1985                                  (int) GetLastError());
1986                     return -1;
1987           }
1988 
1989           memset(&opt, 0, sizeof(opt));
1990           opt.dwSize = sizeof(opt);
1991           opt.dwMaxMessages = 5;
1992           opt.cbMaxMessage = NDISUIO_MSG_SIZE;
1993           opt.bReadAccess = TRUE;
1994 
1995           drv->event_queue = CreateMsgQueue(NULL, &opt);
1996           if (drv->event_queue == NULL) {
1997                     wpa_printf(MSG_INFO, "ndisuio_notification_init: "
1998                                  "CreateMsgQueue failed: %d",
1999                                  (int) GetLastError());
2000                     ndisuio_notification_deinit(drv);
2001                     return -1;
2002           }
2003 
2004           memset(&req, 0, sizeof(req));
2005           req.hMsgQueue = drv->event_queue;
2006           req.dwNotificationTypes =
2007 #ifdef NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL
2008                     NDISUIO_NOTIFICATION_ADAPTER_ARRIVAL |
2009 #endif
2010 #ifdef NDISUIO_NOTIFICATION_ADAPTER_REMOVAL
2011                     NDISUIO_NOTIFICATION_ADAPTER_REMOVAL |
2012 #endif
2013                     NDISUIO_NOTIFICATION_MEDIA_CONNECT |
2014                     NDISUIO_NOTIFICATION_MEDIA_DISCONNECT |
2015                     NDISUIO_NOTIFICATION_MEDIA_SPECIFIC_NOTIFICATION;
2016 
2017           if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_REQUEST_NOTIFICATION,
2018                                    &req, sizeof(req), NULL, 0, NULL, NULL)) {
2019                     wpa_printf(MSG_INFO, "ndisuio_notification_init: "
2020                                  "IOCTL_NDISUIO_REQUEST_NOTIFICATION failed: %d",
2021                                  (int) GetLastError());
2022                     ndisuio_notification_deinit(drv);
2023                     return -1;
2024           }
2025 
2026           eloop_register_event(drv->event_queue, sizeof(drv->event_queue),
2027                                    ndisuio_notification_receive, drv, NULL);
2028 
2029           return 0;
2030 }
2031 #endif /* _WIN32_WCE */
2032 
2033 
wpa_driver_ndis_get_names(struct wpa_driver_ndis_data * drv)2034 static int wpa_driver_ndis_get_names(struct wpa_driver_ndis_data *drv)
2035 {
2036 #ifdef CONFIG_USE_NDISUIO
2037           NDISUIO_QUERY_BINDING *b;
2038           size_t blen = sizeof(*b) + 1024;
2039           int i, error, found = 0;
2040           DWORD written;
2041           char name[256], desc[256], *dpos;
2042           WCHAR *pos;
2043           size_t j, len, dlen;
2044 
2045           b = os_malloc(blen);
2046           if (b == NULL)
2047                     return -1;
2048 
2049           for (i = 0; ; i++) {
2050                     os_memset(b, 0, blen);
2051                     b->BindingIndex = i;
2052                     if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
2053                                              b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
2054                                              &written, NULL)) {
2055                               error = (int) GetLastError();
2056                               if (error == ERROR_NO_MORE_ITEMS)
2057                                         break;
2058                               wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
2059                                            "failed: %d", error);
2060                               break;
2061                     }
2062 
2063                     pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
2064                     len = b->DeviceNameLength;
2065                     if (len >= sizeof(name))
2066                               len = sizeof(name) - 1;
2067                     for (j = 0; j < len; j++)
2068                               name[j] = (char) pos[j];
2069                     name[len] = '\0';
2070 
2071                     pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
2072                     len = b->DeviceDescrLength;
2073                     if (len >= sizeof(desc))
2074                               len = sizeof(desc) - 1;
2075                     for (j = 0; j < len; j++)
2076                               desc[j] = (char) pos[j];
2077                     desc[len] = '\0';
2078 
2079                     wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
2080 
2081                     if (os_strstr(name, drv->ifname)) {
2082                               wpa_printf(MSG_DEBUG, "NDIS: Interface name match");
2083                               found = 1;
2084                               break;
2085                     }
2086 
2087                     if (os_strncmp(desc, drv->ifname, os_strlen(drv->ifname)) == 0)
2088                     {
2089                               wpa_printf(MSG_DEBUG, "NDIS: Interface description "
2090                                            "match");
2091                               found = 1;
2092                               break;
2093                     }
2094           }
2095 
2096           if (!found) {
2097                     wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2098                                  drv->ifname);
2099                     os_free(b);
2100                     return -1;
2101           }
2102 
2103           os_strlcpy(drv->ifname,
2104                        os_strncmp(name, "\\DEVICE\\", 8) == 0 ? name + 8 : name,
2105                        sizeof(drv->ifname));
2106 #ifdef _WIN32_WCE
2107           drv->adapter_name = wpa_strdup_tchar(drv->ifname);
2108           if (drv->adapter_name == NULL) {
2109                     wpa_printf(MSG_ERROR, "NDIS: Failed to allocate memory for "
2110                                  "adapter name");
2111                     os_free(b);
2112                     return -1;
2113           }
2114 #endif /* _WIN32_WCE */
2115 
2116           dpos = os_strstr(desc, " - ");
2117           if (dpos)
2118                     dlen = dpos - desc;
2119           else
2120                     dlen = os_strlen(desc);
2121           drv->adapter_desc = dup_binstr(desc, dlen);
2122           os_free(b);
2123           if (drv->adapter_desc == NULL)
2124                     return -1;
2125 
2126           wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2127                        drv->adapter_desc);
2128 
2129           return 0;
2130 #else /* CONFIG_USE_NDISUIO */
2131           PTSTR _names;
2132           char *names, *pos, *pos2;
2133           ULONG len;
2134           BOOLEAN res;
2135 #define MAX_ADAPTERS 32
2136           char *name[MAX_ADAPTERS];
2137           char *desc[MAX_ADAPTERS];
2138           int num_name, num_desc, i, found_name, found_desc;
2139           size_t dlen;
2140 
2141           wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
2142                        PacketGetVersion());
2143 
2144           len = 8192;
2145           _names = os_zalloc(len);
2146           if (_names == NULL)
2147                     return -1;
2148 
2149           res = PacketGetAdapterNames(_names, &len);
2150           if (!res && len > 8192) {
2151                     os_free(_names);
2152                     _names = os_zalloc(len);
2153                     if (_names == NULL)
2154                               return -1;
2155                     res = PacketGetAdapterNames(_names, &len);
2156           }
2157 
2158           if (!res) {
2159                     wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
2160                                  "(PacketGetAdapterNames)");
2161                     os_free(_names);
2162                     return -1;
2163           }
2164 
2165           names = (char *) _names;
2166           if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
2167                     wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
2168                                  "UNICODE");
2169                     /* Convert to ASCII */
2170                     pos2 = pos = names;
2171                     while (pos2 < names + len) {
2172                               if (pos2[0] == '\0' && pos2[1] == '\0' &&
2173                                   pos2[2] == '\0' && pos2[3] == '\0') {
2174                                         pos2 += 4;
2175                                         break;
2176                               }
2177                               *pos++ = pos2[0];
2178                               pos2 += 2;
2179                     }
2180                     os_memcpy(pos + 2, names, pos - names);
2181                     pos += 2;
2182           } else
2183                     pos = names;
2184 
2185           num_name = 0;
2186           while (pos < names + len) {
2187                     name[num_name] = pos;
2188                     while (*pos && pos < names + len)
2189                               pos++;
2190                     if (pos + 1 >= names + len) {
2191                               os_free(names);
2192                               return -1;
2193                     }
2194                     pos++;
2195                     num_name++;
2196                     if (num_name >= MAX_ADAPTERS) {
2197                               wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
2198                               os_free(names);
2199                               return -1;
2200                     }
2201                     if (*pos == '\0') {
2202                               wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
2203                                            num_name);
2204                               pos++;
2205                               break;
2206                     }
2207           }
2208 
2209           num_desc = 0;
2210           while (pos < names + len) {
2211                     desc[num_desc] = pos;
2212                     while (*pos && pos < names + len)
2213                               pos++;
2214                     if (pos + 1 >= names + len) {
2215                               os_free(names);
2216                               return -1;
2217                     }
2218                     pos++;
2219                     num_desc++;
2220                     if (num_desc >= MAX_ADAPTERS) {
2221                               wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
2222                                            "descriptions");
2223                               os_free(names);
2224                               return -1;
2225                     }
2226                     if (*pos == '\0') {
2227                               wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
2228                                            "found", num_name);
2229                               pos++;
2230                               break;
2231                     }
2232           }
2233 
2234           /*
2235            * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
2236            * descriptions. Fill in stub descriptors to work around this.
2237            */
2238           while (num_desc < num_name)
2239                     desc[num_desc++] = "stub description";
2240 
2241           if (num_name != num_desc) {
2242                     wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
2243                                  "description counts (%d != %d)",
2244                                  num_name, num_desc);
2245                     os_free(names);
2246                     return -1;
2247           }
2248 
2249           found_name = found_desc = -1;
2250           for (i = 0; i < num_name; i++) {
2251                     wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s",
2252                                  i, name[i], desc[i]);
2253                     if (found_name == -1 && os_strstr(name[i], drv->ifname))
2254                               found_name = i;
2255                     if (found_desc == -1 &&
2256                         os_strncmp(desc[i], drv->ifname, os_strlen(drv->ifname)) ==
2257                         0)
2258                               found_desc = i;
2259           }
2260 
2261           if (found_name < 0 && found_desc >= 0) {
2262                     wpa_printf(MSG_DEBUG, "NDIS: Matched interface '%s' based on "
2263                                  "description '%s'",
2264                                  name[found_desc], desc[found_desc]);
2265                     found_name = found_desc;
2266                     os_strlcpy(drv->ifname,
2267                                  os_strncmp(name[found_desc], "\\Device\\NPF_", 12)
2268                                  == 0 ? name[found_desc] + 12 : name[found_desc],
2269                                  sizeof(drv->ifname));
2270           }
2271 
2272           if (found_name < 0) {
2273                     wpa_printf(MSG_DEBUG, "NDIS: Could not find interface '%s'",
2274                                  drv->ifname);
2275                     os_free(names);
2276                     return -1;
2277           }
2278 
2279           i = found_name;
2280           pos = os_strrchr(desc[i], '(');
2281           if (pos) {
2282                     dlen = pos - desc[i];
2283                     pos--;
2284                     if (pos > desc[i] && *pos == ' ')
2285                               dlen--;
2286           } else {
2287                     dlen = os_strlen(desc[i]);
2288           }
2289           drv->adapter_desc = dup_binstr(desc[i], dlen);
2290           os_free(names);
2291           if (drv->adapter_desc == NULL)
2292                     return -1;
2293 
2294           wpa_printf(MSG_DEBUG, "NDIS: Adapter description prefix '%s'",
2295                        drv->adapter_desc);
2296 
2297           return 0;
2298 #endif /* CONFIG_USE_NDISUIO */
2299 }
2300 
2301 
2302 #if defined(CONFIG_NATIVE_WINDOWS) || defined(__CYGWIN__)
2303 #ifndef _WIN32_WCE
2304 /*
2305  * These structures are undocumented for WinXP; only WinCE version is
2306  * documented. These would be included wzcsapi.h if it were available. Some
2307  * changes here have been needed to make the structures match with WinXP SP2.
2308  * It is unclear whether these work with any other version.
2309  */
2310 
2311 typedef struct {
2312           LPWSTR wszGuid;
2313 } INTF_KEY_ENTRY, *PINTF_KEY_ENTRY;
2314 
2315 typedef struct {
2316           DWORD dwNumIntfs;
2317           PINTF_KEY_ENTRY pIntfs;
2318 } INTFS_KEY_TABLE, *PINTFS_KEY_TABLE;
2319 
2320 typedef struct {
2321           DWORD dwDataLen;
2322           LPBYTE pData;
2323 } RAW_DATA, *PRAW_DATA;
2324 
2325 typedef struct {
2326           LPWSTR wszGuid;
2327           LPWSTR wszDescr;
2328           ULONG ulMediaState;
2329           ULONG ulMediaType;
2330           ULONG ulPhysicalMediaType;
2331           INT nInfraMode;
2332           INT nAuthMode;
2333           INT nWepStatus;
2334 #ifndef _WIN32_WCE
2335           u8 pad[2]; /* why is this needed? */
2336 #endif /* _WIN32_WCE */
2337           DWORD dwCtlFlags;
2338           DWORD dwCapabilities; /* something added for WinXP SP2(?) */
2339           RAW_DATA rdSSID;
2340           RAW_DATA rdBSSID;
2341           RAW_DATA rdBSSIDList;
2342           RAW_DATA rdStSSIDList;
2343           RAW_DATA rdCtrlData;
2344 #ifdef UNDER_CE
2345           BOOL bInitialized;
2346 #endif
2347           DWORD nWPAMCastCipher;
2348           /* add some extra buffer for later additions since this interface is
2349            * far from stable */
2350           u8 later_additions[100];
2351 } INTF_ENTRY, *PINTF_ENTRY;
2352 
2353 #define INTF_ALL 0xffffffff
2354 #define INTF_ALL_FLAGS 0x0000ffff
2355 #define INTF_CTLFLAGS 0x00000010
2356 #define INTFCTL_ENABLED 0x8000
2357 #endif /* _WIN32_WCE */
2358 
2359 
2360 #ifdef _WIN32_WCE
wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data * drv)2361 static int wpa_driver_ndis_rebind_adapter(struct wpa_driver_ndis_data *drv)
2362 {
2363           HANDLE ndis;
2364           TCHAR multi[100];
2365           int len;
2366 
2367           len = _tcslen(drv->adapter_name);
2368           if (len > 80)
2369                     return -1;
2370 
2371           ndis = CreateFile(DD_NDIS_DEVICE_NAME, GENERIC_READ | GENERIC_WRITE,
2372                                 0, NULL, OPEN_EXISTING, 0, NULL);
2373           if (ndis == INVALID_HANDLE_VALUE) {
2374                     wpa_printf(MSG_DEBUG, "NDIS: Failed to open file to NDIS "
2375                                  "device: %d", (int) GetLastError());
2376                     return -1;
2377           }
2378 
2379           len++;
2380           memcpy(multi, drv->adapter_name, len * sizeof(TCHAR));
2381           memcpy(&multi[len], TEXT("NDISUIO\0"), 9 * sizeof(TCHAR));
2382           len += 9;
2383 
2384           if (!DeviceIoControl(ndis, IOCTL_NDIS_REBIND_ADAPTER,
2385                                    multi, len * sizeof(TCHAR), NULL, 0, NULL, NULL))
2386           {
2387                     wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDIS_REBIND_ADAPTER "
2388                                  "failed: 0x%x", (int) GetLastError());
2389                     wpa_hexdump_ascii(MSG_DEBUG, "NDIS: rebind multi_sz",
2390                                           (u8 *) multi, len * sizeof(TCHAR));
2391                     CloseHandle(ndis);
2392                     return -1;
2393           }
2394 
2395           CloseHandle(ndis);
2396 
2397           wpa_printf(MSG_DEBUG, "NDIS: Requested NDIS rebind of NDISUIO "
2398                        "protocol");
2399 
2400           return 0;
2401 }
2402 #endif /* _WIN32_WCE */
2403 
2404 
wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data * drv,int enable)2405 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2406                                            int enable)
2407 {
2408 #ifdef _WIN32_WCE
2409           HKEY hk, hk2;
2410           LONG ret;
2411           DWORD i, hnd, len;
2412           TCHAR keyname[256], devname[256];
2413 
2414 #define WZC_DRIVER TEXT("Drivers\\BuiltIn\\ZeroConfig")
2415 
2416           if (enable) {
2417                     HANDLE h;
2418                     h = ActivateDeviceEx(WZC_DRIVER, NULL, 0, NULL);
2419                     if (h == INVALID_HANDLE_VALUE || h == 0) {
2420                               wpa_printf(MSG_DEBUG, "NDIS: Failed to re-enable WZC "
2421                                            "- ActivateDeviceEx failed: %d",
2422                                            (int) GetLastError());
2423                               return -1;
2424                     }
2425 
2426                     wpa_printf(MSG_DEBUG, "NDIS: WZC re-enabled");
2427                     return wpa_driver_ndis_rebind_adapter(drv);
2428           }
2429 
2430           /*
2431            * Unfortunately, just disabling the WZC for an interface is not enough
2432            * to free NDISUIO for us, so need to disable and unload WZC completely
2433            * for now when using WinCE with NDISUIO. In addition, must request
2434            * NDISUIO protocol to be rebound to the adapter in order to free the
2435            * NDISUIO binding that WZC hold before us.
2436            */
2437 
2438           /* Enumerate HKLM\Drivers\Active\* to find a handle to WZC. */
2439           ret = RegOpenKeyEx(HKEY_LOCAL_MACHINE, DEVLOAD_ACTIVE_KEY, 0, 0, &hk);
2440           if (ret != ERROR_SUCCESS) {
2441                     wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(DEVLOAD_ACTIVE_KEY) "
2442                                  "failed: %d %d", (int) ret, (int) GetLastError());
2443                     return -1;
2444           }
2445 
2446           for (i = 0; ; i++) {
2447                     len = sizeof(keyname);
2448                     ret = RegEnumKeyEx(hk, i, keyname, &len, NULL, NULL, NULL,
2449                                            NULL);
2450                     if (ret != ERROR_SUCCESS) {
2451                               wpa_printf(MSG_DEBUG, "NDIS: Could not find active "
2452                                            "WZC - assuming it is not running.");
2453                               RegCloseKey(hk);
2454                               return -1;
2455                     }
2456 
2457                     ret = RegOpenKeyEx(hk, keyname, 0, 0, &hk2);
2458                     if (ret != ERROR_SUCCESS) {
2459                               wpa_printf(MSG_DEBUG, "NDIS: RegOpenKeyEx(active dev) "
2460                                            "failed: %d %d",
2461                                            (int) ret, (int) GetLastError());
2462                               continue;
2463                     }
2464 
2465                     len = sizeof(devname);
2466                     ret = RegQueryValueEx(hk2, DEVLOAD_DEVKEY_VALNAME, NULL, NULL,
2467                                               (LPBYTE) devname, &len);
2468                     if (ret != ERROR_SUCCESS) {
2469                               wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx("
2470                                            "DEVKEY_VALNAME) failed: %d %d",
2471                                            (int) ret, (int) GetLastError());
2472                               RegCloseKey(hk2);
2473                               continue;
2474                     }
2475 
2476                     if (_tcscmp(devname, WZC_DRIVER) == 0)
2477                               break;
2478 
2479                     RegCloseKey(hk2);
2480           }
2481 
2482           RegCloseKey(hk);
2483 
2484           /* Found WZC - get handle to it. */
2485           len = sizeof(hnd);
2486           ret = RegQueryValueEx(hk2, DEVLOAD_HANDLE_VALNAME, NULL, NULL,
2487                                     (PUCHAR) &hnd, &len);
2488           if (ret != ERROR_SUCCESS) {
2489                     wpa_printf(MSG_DEBUG, "NDIS: RegQueryValueEx(HANDLE_VALNAME) "
2490                                  "failed: %d %d", (int) ret, (int) GetLastError());
2491                     RegCloseKey(hk2);
2492                     return -1;
2493           }
2494 
2495           RegCloseKey(hk2);
2496 
2497           /* Deactivate WZC */
2498           if (!DeactivateDevice((HANDLE) hnd)) {
2499                     wpa_printf(MSG_DEBUG, "NDIS: DeactivateDevice failed: %d",
2500                                  (int) GetLastError());
2501                     return -1;
2502           }
2503 
2504           wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily");
2505           drv->wzc_disabled = 1;
2506           return wpa_driver_ndis_rebind_adapter(drv);
2507 
2508 #else /* _WIN32_WCE */
2509 
2510           HMODULE hm;
2511           DWORD (WINAPI *wzc_enum_interf)(LPWSTR pSrvAddr,
2512                                                   PINTFS_KEY_TABLE pIntfs);
2513           DWORD (WINAPI *wzc_query_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2514                                                    PINTF_ENTRY pIntf,
2515                                                    LPDWORD pdwOutFlags);
2516           DWORD (WINAPI *wzc_set_interf)(LPWSTR pSrvAddr, DWORD dwInFlags,
2517                                                PINTF_ENTRY pIntf, LPDWORD pdwOutFlags);
2518           int ret = -1, j;
2519           DWORD res;
2520           INTFS_KEY_TABLE guids;
2521           INTF_ENTRY intf;
2522           char guid[128];
2523           WCHAR *pos;
2524           DWORD flags, i;
2525 
2526           hm = LoadLibrary(TEXT("wzcsapi.dll"));
2527           if (hm == NULL) {
2528                     wpa_printf(MSG_DEBUG, "NDIS: Failed to load wzcsapi.dll (%u) "
2529                                  "- WZC probably not running",
2530                                  (unsigned int) GetLastError());
2531                     return -1;
2532           }
2533 
2534 #ifdef _WIN32_WCE
2535           wzc_enum_interf = (void *) GetProcAddressA(hm, "WZCEnumInterfaces");
2536           wzc_query_interf = (void *) GetProcAddressA(hm, "WZCQueryInterface");
2537           wzc_set_interf = (void *) GetProcAddressA(hm, "WZCSetInterface");
2538 #else /* _WIN32_WCE */
2539           wzc_enum_interf = (void *) GetProcAddress(hm, "WZCEnumInterfaces");
2540           wzc_query_interf = (void *) GetProcAddress(hm, "WZCQueryInterface");
2541           wzc_set_interf = (void *) GetProcAddress(hm, "WZCSetInterface");
2542 #endif /* _WIN32_WCE */
2543 
2544           if (wzc_enum_interf == NULL || wzc_query_interf == NULL ||
2545               wzc_set_interf == NULL) {
2546                     wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces, "
2547                                  "WZCQueryInterface, or WZCSetInterface not found "
2548                                  "in wzcsapi.dll");
2549                     goto fail;
2550           }
2551 
2552           os_memset(&guids, 0, sizeof(guids));
2553           res = wzc_enum_interf(NULL, &guids);
2554           if (res != 0) {
2555                     wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces failed: %d; "
2556                                  "WZC service is apparently not running",
2557                                  (int) res);
2558                     goto fail;
2559           }
2560 
2561           wpa_printf(MSG_DEBUG, "NDIS: WZCEnumInterfaces: %d interfaces",
2562                        (int) guids.dwNumIntfs);
2563 
2564           for (i = 0; i < guids.dwNumIntfs; i++) {
2565                     pos = guids.pIntfs[i].wszGuid;
2566                     for (j = 0; j < sizeof(guid); j++) {
2567                               guid[j] = (char) *pos;
2568                               if (*pos == 0)
2569                                         break;
2570                               pos++;
2571                     }
2572                     guid[sizeof(guid) - 1] = '\0';
2573                     wpa_printf(MSG_DEBUG, "NDIS: intfs %d GUID '%s'",
2574                                  (int) i, guid);
2575                     if (os_strstr(drv->ifname, guid) == NULL)
2576                               continue;
2577 
2578                     wpa_printf(MSG_DEBUG, "NDIS: Current interface found from "
2579                                  "WZC");
2580                     break;
2581           }
2582 
2583           if (i >= guids.dwNumIntfs) {
2584                     wpa_printf(MSG_DEBUG, "NDIS: Current interface not found from "
2585                                  "WZC");
2586                     goto fail;
2587           }
2588 
2589           os_memset(&intf, 0, sizeof(intf));
2590           intf.wszGuid = guids.pIntfs[i].wszGuid;
2591           /* Set flags to verify that the structure has not changed. */
2592           intf.dwCtlFlags = -1;
2593           flags = 0;
2594           res = wzc_query_interf(NULL, INTFCTL_ENABLED, &intf, &flags);
2595           if (res != 0) {
2596                     wpa_printf(MSG_DEBUG, "NDIS: Could not query flags for the "
2597                                  "WZC interface: %d (0x%x)",
2598                                  (int) res, (int) res);
2599                     wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2600                                  (unsigned int) GetLastError());
2601                     goto fail;
2602           }
2603 
2604           wpa_printf(MSG_DEBUG, "NDIS: WZC interface flags 0x%x dwCtlFlags 0x%x",
2605                        (int) flags, (int) intf.dwCtlFlags);
2606 
2607           if (intf.dwCtlFlags == -1) {
2608                     wpa_printf(MSG_DEBUG, "NDIS: Looks like wzcsapi has changed "
2609                                  "again - could not disable WZC");
2610                     wpa_hexdump(MSG_MSGDUMP, "NDIS: intf",
2611                                   (u8 *) &intf, sizeof(intf));
2612                     goto fail;
2613           }
2614 
2615           if (enable) {
2616                     if (!(intf.dwCtlFlags & INTFCTL_ENABLED)) {
2617                               wpa_printf(MSG_DEBUG, "NDIS: Enabling WZC for this "
2618                                            "interface");
2619                               intf.dwCtlFlags |= INTFCTL_ENABLED;
2620                               res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2621                                                        &flags);
2622                               if (res != 0) {
2623                                         wpa_printf(MSG_DEBUG, "NDIS: Failed to enable "
2624                                                      "WZC: %d (0x%x)",
2625                                                      (int) res, (int) res);
2626                                         wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2627                                                      (unsigned int) GetLastError());
2628                                         goto fail;
2629                               }
2630                               wpa_printf(MSG_DEBUG, "NDIS: Re-enabled WZC for this "
2631                                            "interface");
2632                               drv->wzc_disabled = 0;
2633                     }
2634           } else {
2635                     if (intf.dwCtlFlags & INTFCTL_ENABLED) {
2636                               wpa_printf(MSG_DEBUG, "NDIS: Disabling WZC for this "
2637                                            "interface");
2638                               intf.dwCtlFlags &= ~INTFCTL_ENABLED;
2639                               res = wzc_set_interf(NULL, INTFCTL_ENABLED, &intf,
2640                                                        &flags);
2641                               if (res != 0) {
2642                                         wpa_printf(MSG_DEBUG, "NDIS: Failed to "
2643                                                      "disable WZC: %d (0x%x)",
2644                                                      (int) res, (int) res);
2645                                         wpa_printf(MSG_DEBUG, "NDIS: GetLastError: %u",
2646                                                      (unsigned int) GetLastError());
2647                                         goto fail;
2648                               }
2649                               wpa_printf(MSG_DEBUG, "NDIS: Disabled WZC temporarily "
2650                                            "for this interface");
2651                               drv->wzc_disabled = 1;
2652                     } else {
2653                               wpa_printf(MSG_DEBUG, "NDIS: WZC was not enabled for "
2654                                            "this interface");
2655                     }
2656           }
2657 
2658           ret = 0;
2659 
2660 fail:
2661           FreeLibrary(hm);
2662 
2663           return ret;
2664 #endif /* _WIN32_WCE */
2665 }
2666 
2667 #else /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2668 
wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data * drv,int enable)2669 static int wpa_driver_ndis_set_wzc(struct wpa_driver_ndis_data *drv,
2670                                            int enable)
2671 {
2672           return 0;
2673 }
2674 
2675 #endif /* CONFIG_NATIVE_WINDOWS || __CYGWIN__ */
2676 
2677 
2678 #ifdef CONFIG_USE_NDISUIO
2679 /*
2680  * l2_packet_ndis.c is sharing the same handle to NDISUIO, so we must be able
2681  * to export this handle. This is somewhat ugly, but there is no better
2682  * mechanism available to pass data from driver interface to l2_packet wrapper.
2683  */
2684 static HANDLE driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2685 
driver_ndis_get_ndisuio_handle(void)2686 HANDLE driver_ndis_get_ndisuio_handle(void)
2687 {
2688           return driver_ndis_ndisuio_handle;
2689 }
2690 #endif /* CONFIG_USE_NDISUIO */
2691 
2692 
wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data * drv)2693 static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv)
2694 {
2695 #ifdef CONFIG_USE_NDISUIO
2696 #ifndef _WIN32_WCE
2697 #define NDISUIO_DEVICE_NAME TEXT("\\\\.\\\\Ndisuio")
2698           DWORD written;
2699 #endif /* _WIN32_WCE */
2700           drv->ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2701                                           GENERIC_READ | GENERIC_WRITE, 0, NULL,
2702                                           OPEN_EXISTING,
2703                                           FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2704                                           INVALID_HANDLE_VALUE);
2705           if (drv->ndisuio == INVALID_HANDLE_VALUE) {
2706                     wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2707                                  "NDISUIO: %d", (int) GetLastError());
2708                     return -1;
2709           }
2710           driver_ndis_ndisuio_handle = drv->ndisuio;
2711 
2712 #ifndef _WIN32_WCE
2713           if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2714                                    NULL, 0, &written, NULL)) {
2715                     wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
2716                                  "%d", (int) GetLastError());
2717                     CloseHandle(drv->ndisuio);
2718                     drv->ndisuio = INVALID_HANDLE_VALUE;
2719                     return -1;
2720           }
2721 #endif /* _WIN32_WCE */
2722 
2723           return 0;
2724 #else /* CONFIG_USE_NDISUIO */
2725           return 0;
2726 #endif /* CONFIG_USE_NDISUIO */
2727 }
2728 
2729 
wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data * drv)2730 static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv)
2731 {
2732 #ifdef CONFIG_USE_NDISUIO
2733           DWORD written;
2734 #define MAX_NDIS_DEVICE_NAME_LEN 256
2735           WCHAR ifname[MAX_NDIS_DEVICE_NAME_LEN];
2736           size_t len, i, pos;
2737           const char *prefix = "\\DEVICE\\";
2738 
2739 #ifdef _WIN32_WCE
2740           pos = 0;
2741 #else /* _WIN32_WCE */
2742           pos = 8;
2743 #endif /* _WIN32_WCE */
2744           len = pos + os_strlen(drv->ifname);
2745           if (len >= MAX_NDIS_DEVICE_NAME_LEN)
2746                     return -1;
2747           for (i = 0; i < pos; i++)
2748                     ifname[i] = (WCHAR) prefix[i];
2749           for (i = pos; i < len; i++)
2750                     ifname[i] = (WCHAR) drv->ifname[i - pos];
2751           ifname[i] = L'\0';
2752 
2753           if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_OPEN_DEVICE,
2754                                    ifname, len * sizeof(WCHAR), NULL, 0, &written,
2755                                    NULL)) {
2756                     wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_OPEN_DEVICE "
2757                                  "failed: %d", (int) GetLastError());
2758                     wpa_hexdump_ascii(MSG_DEBUG, "NDIS: ifname",
2759                                           (const u8 *) ifname, len * sizeof(WCHAR));
2760                     CloseHandle(drv->ndisuio);
2761                     drv->ndisuio = INVALID_HANDLE_VALUE;
2762                     return -1;
2763           }
2764 
2765           wpa_printf(MSG_DEBUG, "NDIS: Opened NDISUIO device successfully");
2766 
2767           return 0;
2768 #else /* CONFIG_USE_NDISUIO */
2769           char ifname[128];
2770           os_snprintf(ifname, sizeof(ifname), "\\Device\\NPF_%s", drv->ifname);
2771           drv->adapter = PacketOpenAdapter(ifname);
2772           if (drv->adapter == NULL) {
2773                     wpa_printf(MSG_DEBUG, "NDIS: PacketOpenAdapter failed for "
2774                                  "'%s'", ifname);
2775                     return -1;
2776           }
2777           return 0;
2778 #endif /* CONFIG_USE_NDISUIO */
2779 }
2780 
2781 
wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data * drv)2782 static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv)
2783 {
2784 #ifdef CONFIG_USE_NDISUIO
2785           driver_ndis_ndisuio_handle = INVALID_HANDLE_VALUE;
2786           if (drv->ndisuio != INVALID_HANDLE_VALUE)
2787                     CloseHandle(drv->ndisuio);
2788 #else /* CONFIG_USE_NDISUIO */
2789           if (drv->adapter)
2790                     PacketCloseAdapter(drv->adapter);
2791 #endif /* CONFIG_USE_NDISUIO */
2792 }
2793 
2794 
ndis_add_multicast(struct wpa_driver_ndis_data * drv)2795 static int ndis_add_multicast(struct wpa_driver_ndis_data *drv)
2796 {
2797           if (ndis_set_oid(drv, OID_802_3_MULTICAST_LIST,
2798                                (const char *) pae_group_addr, ETH_ALEN) < 0) {
2799                     wpa_printf(MSG_DEBUG, "NDIS: Failed to add PAE group address "
2800                                  "to the multicast list");
2801                     return -1;
2802           }
2803 
2804           return 0;
2805 }
2806 
2807 
wpa_driver_ndis_init(void * ctx,const char * ifname)2808 static void * wpa_driver_ndis_init(void *ctx, const char *ifname)
2809 {
2810           struct wpa_driver_ndis_data *drv;
2811           u32 mode;
2812           int i;
2813 
2814           drv = os_zalloc(sizeof(*drv));
2815           if (drv == NULL)
2816                     return NULL;
2817           drv->ctx = ctx;
2818           /*
2819            * Compatibility code to strip possible prefix from the GUID. Previous
2820            * versions include \Device\NPF_ prefix for all names, but the internal
2821            * interface name is now only the GUI. Both Packet32 and NDISUIO
2822            * prefixes are supported.
2823            */
2824           if (os_strncmp(ifname, "\\Device\\NPF_", 12) == 0)
2825                     ifname += 12;
2826           else if (os_strncmp(ifname, "\\DEVICE\\", 8) == 0)
2827                     ifname += 8;
2828           os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
2829 
2830           if (wpa_driver_ndis_adapter_init(drv) < 0) {
2831                     os_free(drv);
2832                     return NULL;
2833           }
2834 
2835           if (wpa_driver_ndis_get_names(drv) < 0) {
2836                     wpa_driver_ndis_adapter_close(drv);
2837                     os_free(drv);
2838                     return NULL;
2839           }
2840 
2841           wpa_driver_ndis_set_wzc(drv, 0);
2842 
2843           if (wpa_driver_ndis_adapter_open(drv) < 0) {
2844                     wpa_driver_ndis_adapter_close(drv);
2845                     os_free(drv);
2846                     return NULL;
2847           }
2848 
2849           if (ndis_get_oid(drv, OID_802_3_CURRENT_ADDRESS,
2850                                (char *) drv->own_addr, ETH_ALEN) < 0) {
2851                     wpa_printf(MSG_DEBUG, "NDIS: Get OID_802_3_CURRENT_ADDRESS "
2852                                  "failed");
2853                     wpa_driver_ndis_adapter_close(drv);
2854                     os_free(drv);
2855                     return NULL;
2856           }
2857           wpa_driver_ndis_get_capability(drv);
2858 
2859           /* Update per interface supported AKMs */
2860           for (i = 0; i < WPA_IF_MAX; i++)
2861                     drv->capa.key_mgmt_iftype[i] = drv->capa.key_mgmt;
2862 
2863 
2864           /* Make sure that the driver does not have any obsolete PMKID entries.
2865            */
2866           wpa_driver_ndis_flush_pmkid(drv);
2867 
2868           /*
2869            * Disconnect to make sure that driver re-associates if it was
2870            * connected.
2871            */
2872           wpa_driver_ndis_disconnect(drv);
2873 
2874           eloop_register_timeout(1, 0, wpa_driver_ndis_poll_timeout, drv, NULL);
2875 
2876 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2877           drv->events = ndis_events_init(&drv->events_pipe, &drv->event_avail,
2878                                                drv->ifname, drv->adapter_desc);
2879           if (drv->events == NULL) {
2880                     wpa_driver_ndis_deinit(drv);
2881                     return NULL;
2882           }
2883           eloop_register_event(drv->event_avail, sizeof(drv->event_avail),
2884                                    wpa_driver_ndis_event_pipe_cb, drv, NULL);
2885 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2886 
2887 #ifdef _WIN32_WCE
2888           if (ndisuio_notification_init(drv) < 0) {
2889                     wpa_driver_ndis_deinit(drv);
2890                     return NULL;
2891           }
2892 #endif /* _WIN32_WCE */
2893 
2894           /* Set mode here in case card was configured for ad-hoc mode
2895            * previously. */
2896           mode = Ndis802_11Infrastructure;
2897           if (ndis_set_oid(drv, OID_802_11_INFRASTRUCTURE_MODE,
2898                                (char *) &mode, sizeof(mode)) < 0) {
2899                     char buf[8];
2900                     int res;
2901                     wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
2902                                  "OID_802_11_INFRASTRUCTURE_MODE (%d)",
2903                                  (int) mode);
2904                     /* Try to continue anyway */
2905 
2906                     res = ndis_get_oid(drv, OID_DOT11_CURRENT_OPERATION_MODE, buf,
2907                                            sizeof(buf));
2908                     if (res > 0) {
2909                               wpa_printf(MSG_INFO, "NDIS: The driver seems to use "
2910                                            "Native 802.11 OIDs. These are not yet "
2911                                            "fully supported.");
2912                               drv->native80211 = 1;
2913                     } else if (!drv->has_capability || drv->capa.enc == 0) {
2914                               /*
2915                                * Note: This will also happen with NDIS 6 drivers with
2916                                * Vista.
2917                                */
2918                               wpa_printf(MSG_DEBUG, "NDIS: Driver did not provide "
2919                                            "any wireless capabilities - assume it is "
2920                                            "a wired interface");
2921                               drv->wired = 1;
2922                               drv->capa.flags |= WPA_DRIVER_FLAGS_WIRED;
2923                               drv->has_capability = 1;
2924                               ndis_add_multicast(drv);
2925                     }
2926           }
2927 
2928           return drv;
2929 }
2930 
2931 
wpa_driver_ndis_deinit(void * priv)2932 static void wpa_driver_ndis_deinit(void *priv)
2933 {
2934           struct wpa_driver_ndis_data *drv = priv;
2935 
2936 #ifdef CONFIG_NDIS_EVENTS_INTEGRATED
2937           if (drv->events) {
2938                     eloop_unregister_event(drv->event_avail,
2939                                                sizeof(drv->event_avail));
2940                     ndis_events_deinit(drv->events);
2941           }
2942 #endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
2943 
2944 #ifdef _WIN32_WCE
2945           ndisuio_notification_deinit(drv);
2946 #endif /* _WIN32_WCE */
2947 
2948           eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
2949           eloop_cancel_timeout(wpa_driver_ndis_poll_timeout, drv, NULL);
2950           wpa_driver_ndis_flush_pmkid(drv);
2951           wpa_driver_ndis_disconnect(drv);
2952           if (wpa_driver_ndis_radio_off(drv) < 0) {
2953                     wpa_printf(MSG_DEBUG, "NDIS: failed to disassociate and turn "
2954                                  "radio off");
2955           }
2956 
2957           wpa_driver_ndis_adapter_close(drv);
2958 
2959           if (drv->wzc_disabled)
2960                     wpa_driver_ndis_set_wzc(drv, 1);
2961 
2962 #ifdef _WIN32_WCE
2963           os_free(drv->adapter_name);
2964 #endif /* _WIN32_WCE */
2965           os_free(drv->adapter_desc);
2966           os_free(drv);
2967 }
2968 
2969 
2970 static struct wpa_interface_info *
wpa_driver_ndis_get_interfaces(void * global_priv)2971 wpa_driver_ndis_get_interfaces(void *global_priv)
2972 {
2973           struct wpa_interface_info *iface = NULL, *niface;
2974 
2975 #ifdef CONFIG_USE_NDISUIO
2976           NDISUIO_QUERY_BINDING *b;
2977           size_t blen = sizeof(*b) + 1024;
2978           int i, error;
2979           DWORD written;
2980           char name[256], desc[256];
2981           WCHAR *pos;
2982           size_t j, len;
2983           HANDLE ndisuio;
2984 
2985           ndisuio = CreateFile(NDISUIO_DEVICE_NAME,
2986                                    GENERIC_READ | GENERIC_WRITE, 0, NULL,
2987                                    OPEN_EXISTING,
2988                                    FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
2989                                    INVALID_HANDLE_VALUE);
2990           if (ndisuio == INVALID_HANDLE_VALUE) {
2991                     wpa_printf(MSG_ERROR, "NDIS: Failed to open connection to "
2992                                  "NDISUIO: %d", (int) GetLastError());
2993                     return NULL;
2994           }
2995 
2996 #ifndef _WIN32_WCE
2997           if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_BIND_WAIT, NULL, 0,
2998                                    NULL, 0, &written, NULL)) {
2999                     wpa_printf(MSG_ERROR, "NDIS: IOCTL_NDISUIO_BIND_WAIT failed: "
3000                                  "%d", (int) GetLastError());
3001                     CloseHandle(ndisuio);
3002                     return NULL;
3003           }
3004 #endif /* _WIN32_WCE */
3005 
3006           b = os_malloc(blen);
3007           if (b == NULL) {
3008                     CloseHandle(ndisuio);
3009                     return NULL;
3010           }
3011 
3012           for (i = 0; ; i++) {
3013                     os_memset(b, 0, blen);
3014                     b->BindingIndex = i;
3015                     if (!DeviceIoControl(ndisuio, IOCTL_NDISUIO_QUERY_BINDING,
3016                                              b, sizeof(NDISUIO_QUERY_BINDING), b, blen,
3017                                              &written, NULL)) {
3018                               error = (int) GetLastError();
3019                               if (error == ERROR_NO_MORE_ITEMS)
3020                                         break;
3021                               wpa_printf(MSG_DEBUG, "IOCTL_NDISUIO_QUERY_BINDING "
3022                                            "failed: %d", error);
3023                               break;
3024                     }
3025 
3026                     pos = (WCHAR *) ((char *) b + b->DeviceNameOffset);
3027                     len = b->DeviceNameLength;
3028                     if (len >= sizeof(name))
3029                               len = sizeof(name) - 1;
3030                     for (j = 0; j < len; j++)
3031                               name[j] = (char) pos[j];
3032                     name[len] = '\0';
3033 
3034                     pos = (WCHAR *) ((char *) b + b->DeviceDescrOffset);
3035                     len = b->DeviceDescrLength;
3036                     if (len >= sizeof(desc))
3037                               len = sizeof(desc) - 1;
3038                     for (j = 0; j < len; j++)
3039                               desc[j] = (char) pos[j];
3040                     desc[len] = '\0';
3041 
3042                     wpa_printf(MSG_DEBUG, "NDIS: %d - %s - %s", i, name, desc);
3043 
3044                     niface = os_zalloc(sizeof(*niface));
3045                     if (niface == NULL)
3046                               break;
3047                     niface->drv_name = "ndis";
3048                     if (os_strncmp(name, "\\DEVICE\\", 8) == 0)
3049                               niface->ifname = os_strdup(name + 8);
3050                     else
3051                               niface->ifname = os_strdup(name);
3052                     if (niface->ifname == NULL) {
3053                               os_free(niface);
3054                               break;
3055                     }
3056                     niface->desc = os_strdup(desc);
3057                     niface->next = iface;
3058                     iface = niface;
3059           }
3060 
3061           os_free(b);
3062           CloseHandle(ndisuio);
3063 #else /* CONFIG_USE_NDISUIO */
3064           PTSTR _names;
3065           char *names, *pos, *pos2;
3066           ULONG len;
3067           BOOLEAN res;
3068           char *name[MAX_ADAPTERS];
3069           char *desc[MAX_ADAPTERS];
3070           int num_name, num_desc, i;
3071 
3072           wpa_printf(MSG_DEBUG, "NDIS: Packet.dll version: %s",
3073                        PacketGetVersion());
3074 
3075           len = 8192;
3076           _names = os_zalloc(len);
3077           if (_names == NULL)
3078                     return NULL;
3079 
3080           res = PacketGetAdapterNames(_names, &len);
3081           if (!res && len > 8192) {
3082                     os_free(_names);
3083                     _names = os_zalloc(len);
3084                     if (_names == NULL)
3085                               return NULL;
3086                     res = PacketGetAdapterNames(_names, &len);
3087           }
3088 
3089           if (!res) {
3090                     wpa_printf(MSG_ERROR, "NDIS: Failed to get adapter list "
3091                                  "(PacketGetAdapterNames)");
3092                     os_free(_names);
3093                     return NULL;
3094           }
3095 
3096           names = (char *) _names;
3097           if (names[0] && names[1] == '\0' && names[2] && names[3] == '\0') {
3098                     wpa_printf(MSG_DEBUG, "NDIS: Looks like adapter names are in "
3099                                  "UNICODE");
3100                     /* Convert to ASCII */
3101                     pos2 = pos = names;
3102                     while (pos2 < names + len) {
3103                               if (pos2[0] == '\0' && pos2[1] == '\0' &&
3104                                   pos2[2] == '\0' && pos2[3] == '\0') {
3105                                         pos2 += 4;
3106                                         break;
3107                               }
3108                               *pos++ = pos2[0];
3109                               pos2 += 2;
3110                     }
3111                     os_memcpy(pos + 2, names, pos - names);
3112                     pos += 2;
3113           } else
3114                     pos = names;
3115 
3116           num_name = 0;
3117           while (pos < names + len) {
3118                     name[num_name] = pos;
3119                     while (*pos && pos < names + len)
3120                               pos++;
3121                     if (pos + 1 >= names + len) {
3122                               os_free(names);
3123                               return NULL;
3124                     }
3125                     pos++;
3126                     num_name++;
3127                     if (num_name >= MAX_ADAPTERS) {
3128                               wpa_printf(MSG_DEBUG, "NDIS: Too many adapters");
3129                               os_free(names);
3130                               return NULL;
3131                     }
3132                     if (*pos == '\0') {
3133                               wpa_printf(MSG_DEBUG, "NDIS: %d adapter names found",
3134                                            num_name);
3135                               pos++;
3136                               break;
3137                     }
3138           }
3139 
3140           num_desc = 0;
3141           while (pos < names + len) {
3142                     desc[num_desc] = pos;
3143                     while (*pos && pos < names + len)
3144                               pos++;
3145                     if (pos + 1 >= names + len) {
3146                               os_free(names);
3147                               return NULL;
3148                     }
3149                     pos++;
3150                     num_desc++;
3151                     if (num_desc >= MAX_ADAPTERS) {
3152                               wpa_printf(MSG_DEBUG, "NDIS: Too many adapter "
3153                                            "descriptions");
3154                               os_free(names);
3155                               return NULL;
3156                     }
3157                     if (*pos == '\0') {
3158                               wpa_printf(MSG_DEBUG, "NDIS: %d adapter descriptions "
3159                                            "found", num_name);
3160                               pos++;
3161                               break;
3162                     }
3163           }
3164 
3165           /*
3166            * Windows 98 with Packet.dll 3.0 alpha3 does not include adapter
3167            * descriptions. Fill in stub descriptors to work around this.
3168            */
3169           while (num_desc < num_name)
3170                     desc[num_desc++] = "stub description";
3171 
3172           if (num_name != num_desc) {
3173                     wpa_printf(MSG_DEBUG, "NDIS: mismatch in adapter name and "
3174                                  "description counts (%d != %d)",
3175                                  num_name, num_desc);
3176                     os_free(names);
3177                     return NULL;
3178           }
3179 
3180           for (i = 0; i < num_name; i++) {
3181                     niface = os_zalloc(sizeof(*niface));
3182                     if (niface == NULL)
3183                               break;
3184                     niface->drv_name = "ndis";
3185                     if (os_strncmp(name[i], "\\Device\\NPF_", 12) == 0)
3186                               niface->ifname = os_strdup(name[i] + 12);
3187                     else
3188                               niface->ifname = os_strdup(name[i]);
3189                     if (niface->ifname == NULL) {
3190                               os_free(niface);
3191                               break;
3192                     }
3193                     niface->desc = os_strdup(desc[i]);
3194                     niface->next = iface;
3195                     iface = niface;
3196           }
3197 
3198 #endif /* CONFIG_USE_NDISUIO */
3199 
3200           return iface;
3201 }
3202 
3203 
3204 static const char *ndis_drv_name = "ndis";
3205 static const char *ndis_drv_desc = "Windows NDIS driver";
3206 
3207 struct wpa_driver_ops wpa_driver_ndis_ops;
3208 
driver_ndis_init_ops(void)3209 void driver_ndis_init_ops(void)
3210 {
3211           os_memset(&wpa_driver_ndis_ops, 0, sizeof(wpa_driver_ndis_ops));
3212           wpa_driver_ndis_ops.name = ndis_drv_name;
3213           wpa_driver_ndis_ops.desc = ndis_drv_desc;
3214           wpa_driver_ndis_ops.get_bssid = wpa_driver_ndis_get_bssid;
3215           wpa_driver_ndis_ops.get_ssid = wpa_driver_ndis_get_ssid;
3216           wpa_driver_ndis_ops.set_key = wpa_driver_ndis_set_key_wrapper;
3217           wpa_driver_ndis_ops.init = wpa_driver_ndis_init;
3218           wpa_driver_ndis_ops.deinit = wpa_driver_ndis_deinit;
3219           wpa_driver_ndis_ops.deauthenticate = wpa_driver_ndis_deauthenticate;
3220           wpa_driver_ndis_ops.associate = wpa_driver_ndis_associate;
3221           wpa_driver_ndis_ops.add_pmkid = wpa_driver_ndis_add_pmkid;
3222           wpa_driver_ndis_ops.remove_pmkid = wpa_driver_ndis_remove_pmkid;
3223           wpa_driver_ndis_ops.flush_pmkid = wpa_driver_ndis_flush_pmkid;
3224           wpa_driver_ndis_ops.get_capa = wpa_driver_ndis_get_capa;
3225           wpa_driver_ndis_ops.poll = wpa_driver_ndis_poll;
3226           wpa_driver_ndis_ops.get_ifname = wpa_driver_ndis_get_ifname;
3227           wpa_driver_ndis_ops.get_mac_addr = wpa_driver_ndis_get_mac_addr;
3228           wpa_driver_ndis_ops.get_scan_results2 =
3229                     wpa_driver_ndis_get_scan_results;
3230           wpa_driver_ndis_ops.get_interfaces = wpa_driver_ndis_get_interfaces;
3231           wpa_driver_ndis_ops.scan2 = wpa_driver_ndis_scan;
3232 }
3233