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driver_ndis.c
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/*
* WPA Supplicant - Windows/NDIS driver interface
* Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifdef __CYGWIN__
/* Avoid some header file conflicts by not including standard headers for
* cygwin builds when Packet32.h is included. */
#include "build_config.h"
int close(int fd);
#else /* __CYGWIN__ */
#include "includes.h"
#endif /* __CYGWIN__ */
#ifdef CONFIG_USE_NDISUIO
#include <winsock2.h>
#else /* CONFIG_USE_NDISUIO */
#include <Packet32.h>
#endif /* CONFIG_USE_NDISUIO */
#ifdef __MINGW32_VERSION
#include <ddk/ntddndis.h>
#else /* __MINGW32_VERSION */
#include <ntddndis.h>
#endif /* __MINGW32_VERSION */
#ifdef _WIN32_WCE
#include <winioctl.h>
#include <nuiouser.h>
#include <devload.h>
#endif /* _WIN32_WCE */
#include "common.h"
#include "driver.h"
#include "eloop.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "driver_ndis.h"
int wpa_driver_register_event_cb(struct wpa_driver_ndis_data *drv);
#ifdef CONFIG_NDIS_EVENTS_INTEGRATED
void wpa_driver_ndis_event_pipe_cb(void *eloop_data, void *user_data);
#endif /* CONFIG_NDIS_EVENTS_INTEGRATED */
static void wpa_driver_ndis_deinit(void *priv);
static void wpa_driver_ndis_poll(void *drv);
static void wpa_driver_ndis_poll_timeout(void *eloop_ctx, void *timeout_ctx);
static int wpa_driver_ndis_adapter_init(struct wpa_driver_ndis_data *drv);
static int wpa_driver_ndis_adapter_open(struct wpa_driver_ndis_data *drv);
static void wpa_driver_ndis_adapter_close(struct wpa_driver_ndis_data *drv);
static const u8 pae_group_addr[ETH_ALEN] =
{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
/* FIX: to be removed once this can be compiled with the complete NDIS
* header files */
#ifndef OID_802_11_BSSID
#define OID_802_11_BSSID 0x0d010101
#define OID_802_11_SSID 0x0d010102
#define OID_802_11_INFRASTRUCTURE_MODE 0x0d010108
#define OID_802_11_ADD_WEP 0x0D010113
#define OID_802_11_REMOVE_WEP 0x0D010114
#define OID_802_11_DISASSOCIATE 0x0D010115
#define OID_802_11_BSSID_LIST 0x0d010217
#define OID_802_11_AUTHENTICATION_MODE 0x0d010118
#define OID_802_11_PRIVACY_FILTER 0x0d010119
#define OID_802_11_BSSID_LIST_SCAN 0x0d01011A
#define OID_802_11_WEP_STATUS 0x0d01011B
#define OID_802_11_ENCRYPTION_STATUS OID_802_11_WEP_STATUS
#define OID_802_11_ADD_KEY 0x0d01011D
#define OID_802_11_REMOVE_KEY 0x0d01011E
#define OID_802_11_ASSOCIATION_INFORMATION 0x0d01011F
#define OID_802_11_TEST 0x0d010120
#define OID_802_11_CAPABILITY 0x0d010122
#define OID_802_11_PMKID 0x0d010123
#define NDIS_802_11_LENGTH_SSID 32
#define NDIS_802_11_LENGTH_RATES 8
#define NDIS_802_11_LENGTH_RATES_EX 16
typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
typedef struct NDIS_802_11_SSID {
ULONG SsidLength;
UCHAR Ssid[NDIS_802_11_LENGTH_SSID];
} NDIS_802_11_SSID;
typedef LONG NDIS_802_11_RSSI;
typedef enum NDIS_802_11_NETWORK_TYPE {
Ndis802_11FH,
Ndis802_11DS,
Ndis802_11OFDM5,
Ndis802_11OFDM24,
Ndis802_11NetworkTypeMax
} NDIS_802_11_NETWORK_TYPE;
typedef struct NDIS_802_11_CONFIGURATION_FH {
ULONG Length;
ULONG HopPattern;
ULONG HopSet;
ULONG DwellTime;
} NDIS_802_11_CONFIGURATION_FH;
typedef struct NDIS_802_11_CONFIGURATION {
ULONG Length;
ULONG BeaconPeriod;
ULONG ATIMWindow;
ULONG DSConfig;
NDIS_802_11_CONFIGURATION_FH FHConfig;
} NDIS_802_11_CONFIGURATION;
typedef enum NDIS_802_11_NETWORK_INFRASTRUCTURE {
Ndis802_11IBSS,
Ndis802_11Infrastructure,
Ndis802_11AutoUnknown,
Ndis802_11InfrastructureMax
} NDIS_802_11_NETWORK_INFRASTRUCTURE;
typedef enum NDIS_802_11_AUTHENTICATION_MODE {
Ndis802_11AuthModeOpen,
Ndis802_11AuthModeShared,
Ndis802_11AuthModeAutoSwitch,
Ndis802_11AuthModeWPA,
Ndis802_11AuthModeWPAPSK,
Ndis802_11AuthModeWPANone,
Ndis802_11AuthModeWPA2,
Ndis802_11AuthModeWPA2PSK,
Ndis802_11AuthModeMax
} NDIS_802_11_AUTHENTICATION_MODE;
typedef enum NDIS_802_11_WEP_STATUS {
Ndis802_11WEPEnabled,
Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
Ndis802_11WEPDisabled,
Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
Ndis802_11WEPKeyAbsent,
Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
Ndis802_11WEPNotSupported,
Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
Ndis802_11Encryption2Enabled,
Ndis802_11Encryption2KeyAbsent,
Ndis802_11Encryption3Enabled,
Ndis802_11Encryption3KeyAbsent
} NDIS_802_11_WEP_STATUS, NDIS_802_11_ENCRYPTION_STATUS;
typedef enum NDIS_802_11_PRIVACY_FILTER {
Ndis802_11PrivFilterAcceptAll,
Ndis802_11PrivFilter8021xWEP
} NDIS_802_11_PRIVACY_FILTER;
typedef UCHAR NDIS_802_11_RATES[NDIS_802_11_LENGTH_RATES];
typedef UCHAR NDIS_802_11_RATES_EX[NDIS_802_11_LENGTH_RATES_EX];
typedef struct NDIS_WLAN_BSSID_EX {
ULONG Length;
NDIS_802_11_MAC_ADDRESS MacAddress; /* BSSID */
UCHAR Reserved[2];
NDIS_802_11_SSID Ssid;
ULONG Privacy;
NDIS_802_11_RSSI Rssi;
NDIS_802_11_NETWORK_TYPE NetworkTypeInUse;
NDIS_802_11_CONFIGURATION Configuration;
NDIS_802_11_NETWORK_INFRASTRUCTURE InfrastructureMode;
NDIS_802_11_RATES_EX SupportedRates;
ULONG IELength;
UCHAR IEs[1];
} NDIS_WLAN_BSSID_EX;
typedef struct NDIS_802_11_BSSID_LIST_EX {
ULONG NumberOfItems;
NDIS_WLAN_BSSID_EX Bssid[1];
} NDIS_802_11_BSSID_LIST_EX;
typedef struct NDIS_802_11_FIXED_IEs {
UCHAR Timestamp[8];
USHORT BeaconInterval;
USHORT Capabilities;
} NDIS_802_11_FIXED_IEs;
typedef struct NDIS_802_11_WEP {
ULONG Length;
ULONG KeyIndex;
ULONG KeyLength;
UCHAR KeyMaterial[1];
} NDIS_802_11_WEP;
typedef ULONG NDIS_802_11_KEY_INDEX;
typedef ULONGLONG NDIS_802_11_KEY_RSC;
typedef struct NDIS_802_11_KEY {
ULONG Length;
ULONG KeyIndex;
ULONG KeyLength;
NDIS_802_11_MAC_ADDRESS BSSID;
NDIS_802_11_KEY_RSC KeyRSC;
UCHAR KeyMaterial[1];
} NDIS_802_11_KEY;
typedef struct NDIS_802_11_REMOVE_KEY {
ULONG Length;
ULONG KeyIndex;
NDIS_802_11_MAC_ADDRESS BSSID;
} NDIS_802_11_REMOVE_KEY;
typedef struct NDIS_802_11_AI_REQFI {
USHORT Capabilities;
USHORT ListenInterval;
NDIS_802_11_MAC_ADDRESS CurrentAPAddress;
} NDIS_802_11_AI_REQFI;
typedef struct NDIS_802_11_AI_RESFI {
USHORT Capabilities;
USHORT StatusCode;
USHORT AssociationId;
} NDIS_802_11_AI_RESFI;
typedef struct NDIS_802_11_ASSOCIATION_INFORMATION {
ULONG Length;
USHORT AvailableRequestFixedIEs;
NDIS_802_11_AI_REQFI RequestFixedIEs;
ULONG RequestIELength;
ULONG OffsetRequestIEs;
USHORT AvailableResponseFixedIEs;
NDIS_802_11_AI_RESFI ResponseFixedIEs;
ULONG ResponseIELength;
ULONG OffsetResponseIEs;
} NDIS_802_11_ASSOCIATION_INFORMATION;
typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
} NDIS_802_11_AUTHENTICATION_ENCRYPTION;
typedef struct NDIS_802_11_CAPABILITY {
ULONG Length;
ULONG Version;
ULONG NoOfPMKIDs;
ULONG NoOfAuthEncryptPairsSupported;
NDIS_802_11_AUTHENTICATION_ENCRYPTION
AuthenticationEncryptionSupported[1];
} NDIS_802_11_CAPABILITY;
typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
typedef struct BSSID_INFO {
NDIS_802_11_MAC_ADDRESS BSSID;
NDIS_802_11_PMKID_VALUE PMKID;
} BSSID_INFO;
typedef struct NDIS_802_11_PMKID {
ULONG Length;
ULONG BSSIDInfoCount;
BSSID_INFO BSSIDInfo[1];
} NDIS_802_11_PMKID;
typedef enum NDIS_802_11_STATUS_TYPE {
Ndis802_11StatusType_Authentication,
Ndis802_11StatusType_PMKID_CandidateList = 2,
Ndis802_11StatusTypeMax
} NDIS_802_11_STATUS_TYPE;
typedef struct NDIS_802_11_STATUS_INDICATION {
NDIS_802_11_STATUS_TYPE StatusType;
} NDIS_802_11_STATUS_INDICATION;
typedef struct PMKID_CANDIDATE {
NDIS_802_11_MAC_ADDRESS BSSID;
ULONG Flags;
} PMKID_CANDIDATE;
#define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
ULONG Version;
ULONG NumCandidates;
PMKID_CANDIDATE CandidateList[1];
} NDIS_802_11_PMKID_CANDIDATE_LIST;
typedef struct NDIS_802_11_AUTHENTICATION_REQUEST {
ULONG Length;
NDIS_802_11_MAC_ADDRESS Bssid;
ULONG Flags;
} NDIS_802_11_AUTHENTICATION_REQUEST;
#define NDIS_802_11_AUTH_REQUEST_REAUTH 0x01
#define NDIS_802_11_AUTH_REQUEST_KEYUPDATE 0x02
#define NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR 0x06
#define NDIS_802_11_AUTH_REQUEST_GROUP_ERROR 0x0E
#endif /* OID_802_11_BSSID */
#ifndef OID_802_11_PMKID
/* Platform SDK for XP did not include WPA2, so add needed definitions */
#define OID_802_11_CAPABILITY 0x0d010122
#define OID_802_11_PMKID 0x0d010123
#define Ndis802_11AuthModeWPA2 6
#define Ndis802_11AuthModeWPA2PSK 7
#define Ndis802_11StatusType_PMKID_CandidateList 2
typedef struct NDIS_802_11_AUTHENTICATION_ENCRYPTION {
NDIS_802_11_AUTHENTICATION_MODE AuthModeSupported;
NDIS_802_11_ENCRYPTION_STATUS EncryptStatusSupported;
} NDIS_802_11_AUTHENTICATION_ENCRYPTION;
typedef struct NDIS_802_11_CAPABILITY {
ULONG Length;
ULONG Version;
ULONG NoOfPMKIDs;
ULONG NoOfAuthEncryptPairsSupported;
NDIS_802_11_AUTHENTICATION_ENCRYPTION
AuthenticationEncryptionSupported[1];
} NDIS_802_11_CAPABILITY;
typedef UCHAR NDIS_802_11_PMKID_VALUE[16];
typedef struct BSSID_INFO {
NDIS_802_11_MAC_ADDRESS BSSID;
NDIS_802_11_PMKID_VALUE PMKID;
} BSSID_INFO;
typedef struct NDIS_802_11_PMKID {
ULONG Length;
ULONG BSSIDInfoCount;
BSSID_INFO BSSIDInfo[1];
} NDIS_802_11_PMKID;
typedef struct PMKID_CANDIDATE {
NDIS_802_11_MAC_ADDRESS BSSID;
ULONG Flags;
} PMKID_CANDIDATE;
#define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
typedef struct NDIS_802_11_PMKID_CANDIDATE_LIST {
ULONG Version;
ULONG NumCandidates;
PMKID_CANDIDATE CandidateList[1];
} NDIS_802_11_PMKID_CANDIDATE_LIST;
#endif /* OID_802_11_CAPABILITY */
#ifndef OID_DOT11_CURRENT_OPERATION_MODE
/* Native 802.11 OIDs */
#define OID_DOT11_NDIS_START 0x0D010300
#define OID_DOT11_CURRENT_OPERATION_MODE (OID_DOT11_NDIS_START + 8)
#define OID_DOT11_SCAN_REQUEST (OID_DOT11_NDIS_START + 11)
typedef enum _DOT11_BSS_TYPE {
dot11_BSS_type_infrastructure = 1,
dot11_BSS_type_independent = 2,
dot11_BSS_type_any = 3
} DOT11_BSS_TYPE, * PDOT11_BSS_TYPE;
typedef UCHAR DOT11_MAC_ADDRESS[6];
typedef DOT11_MAC_ADDRESS * PDOT11_MAC_ADDRESS;
typedef enum _DOT11_SCAN_TYPE {
dot11_scan_type_active = 1,
dot11_scan_type_passive = 2,
dot11_scan_type_auto = 3,
dot11_scan_type_forced = 0x80000000
} DOT11_SCAN_TYPE, * PDOT11_SCAN_TYPE;
typedef struct _DOT11_SCAN_REQUEST_V2 {
DOT11_BSS_TYPE dot11BSSType;
DOT11_MAC_ADDRESS dot11BSSID;
DOT11_SCAN_TYPE dot11ScanType;
BOOLEAN bRestrictedScan;
ULONG udot11SSIDsOffset;
ULONG uNumOfdot11SSIDs;
BOOLEAN bUseRequestIE;
ULONG uRequestIDsOffset;
ULONG uNumOfRequestIDs;
ULONG uPhyTypeInfosOffset;
ULONG uNumOfPhyTypeInfos;
ULONG uIEsOffset;
ULONG uIEsLength;
UCHAR ucBuffer[1];
} DOT11_SCAN_REQUEST_V2, * PDOT11_SCAN_REQUEST_V2;
#endif /* OID_DOT11_CURRENT_OPERATION_MODE */
#ifdef CONFIG_USE_NDISUIO
#ifndef _WIN32_WCE
#ifdef __MINGW32_VERSION
typedef ULONG NDIS_OID;
#endif /* __MINGW32_VERSION */
/* from nuiouser.h */
#define FSCTL_NDISUIO_BASE FILE_DEVICE_NETWORK
#define _NDISUIO_CTL_CODE(_Function, _Method, _Access) \
CTL_CODE(FSCTL_NDISUIO_BASE, _Function, _Method, _Access)
#define IOCTL_NDISUIO_OPEN_DEVICE \
_NDISUIO_CTL_CODE(0x200, METHOD_BUFFERED, \
FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_NDISUIO_QUERY_OID_VALUE \
_NDISUIO_CTL_CODE(0x201, METHOD_BUFFERED, \
FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_NDISUIO_SET_OID_VALUE \
_NDISUIO_CTL_CODE(0x205, METHOD_BUFFERED, \
FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_NDISUIO_SET_ETHER_TYPE \
_NDISUIO_CTL_CODE(0x202, METHOD_BUFFERED, \
FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_NDISUIO_QUERY_BINDING \
_NDISUIO_CTL_CODE(0x203, METHOD_BUFFERED, \
FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_NDISUIO_BIND_WAIT \
_NDISUIO_CTL_CODE(0x204, METHOD_BUFFERED, \
FILE_READ_ACCESS | FILE_WRITE_ACCESS)
typedef struct _NDISUIO_QUERY_OID
{
NDIS_OID Oid;
UCHAR Data[sizeof(ULONG)];
} NDISUIO_QUERY_OID, *PNDISUIO_QUERY_OID;
typedef struct _NDISUIO_SET_OID
{
NDIS_OID Oid;
UCHAR Data[sizeof(ULONG)];
} NDISUIO_SET_OID, *PNDISUIO_SET_OID;
typedef struct _NDISUIO_QUERY_BINDING
{
ULONG BindingIndex;
ULONG DeviceNameOffset;
ULONG DeviceNameLength;
ULONG DeviceDescrOffset;
ULONG DeviceDescrLength;
} NDISUIO_QUERY_BINDING, *PNDISUIO_QUERY_BINDING;
#endif /* _WIN32_WCE */
#endif /* CONFIG_USE_NDISUIO */
static int ndis_get_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
char *data, size_t len)
{
#ifdef CONFIG_USE_NDISUIO
NDISUIO_QUERY_OID *o;
size_t buflen = sizeof(*o) + len;
DWORD written;
int ret;
size_t hdrlen;
o = os_zalloc(buflen);
if (o == NULL)
return -1;
o->Oid = oid;
#ifdef _WIN32_WCE
o->ptcDeviceName = drv->adapter_name;
#endif /* _WIN32_WCE */
if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_QUERY_OID_VALUE,
o, sizeof(NDISUIO_QUERY_OID), o, buflen, &written,
NULL)) {
wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_QUERY_OID_VALUE "
"failed (oid=%08x): %d", oid, (int) GetLastError());
os_free(o);
return -1;
}
hdrlen = sizeof(NDISUIO_QUERY_OID) - sizeof(o->Data);
if (written < hdrlen) {
wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d); "
"too short", oid, (unsigned int) written);
os_free(o);
return -1;
}
written -= hdrlen;
if (written > len) {
wpa_printf(MSG_DEBUG, "NDIS: query oid=%08x written (%d) > "
"len (%d)",oid, (unsigned int) written, len);
os_free(o);
return -1;
}
os_memcpy(data, o->Data, written);
ret = written;
os_free(o);
return ret;
#else /* CONFIG_USE_NDISUIO */
char *buf;
PACKET_OID_DATA *o;
int ret;
buf = os_zalloc(sizeof(*o) + len);
if (buf == NULL)
return -1;
o = (PACKET_OID_DATA *) buf;
o->Oid = oid;
o->Length = len;
if (!PacketRequest(drv->adapter, FALSE, o)) {
wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
__func__, oid, len);
os_free(buf);
return -1;
}
if (o->Length > len) {
wpa_printf(MSG_DEBUG, "%s: oid=0x%x Length (%d) > len (%d)",
__func__, oid, (unsigned int) o->Length, len);
os_free(buf);
return -1;
}
os_memcpy(data, o->Data, o->Length);
ret = o->Length;
os_free(buf);
return ret;
#endif /* CONFIG_USE_NDISUIO */
}
static int ndis_set_oid(struct wpa_driver_ndis_data *drv, unsigned int oid,
const char *data, size_t len)
{
#ifdef CONFIG_USE_NDISUIO
NDISUIO_SET_OID *o;
size_t buflen, reallen;
DWORD written;
char txt[50];
os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
buflen = sizeof(*o) + len;
reallen = buflen - sizeof(o->Data);
o = os_zalloc(buflen);
if (o == NULL)
return -1;
o->Oid = oid;
#ifdef _WIN32_WCE
o->ptcDeviceName = drv->adapter_name;
#endif /* _WIN32_WCE */
if (data)
os_memcpy(o->Data, data, len);
if (!DeviceIoControl(drv->ndisuio, IOCTL_NDISUIO_SET_OID_VALUE,
o, reallen, NULL, 0, &written, NULL)) {
wpa_printf(MSG_DEBUG, "NDIS: IOCTL_NDISUIO_SET_OID_VALUE "
"(oid=%08x) failed: %d", oid, (int) GetLastError());
os_free(o);
return -1;
}
os_free(o);
return 0;
#else /* CONFIG_USE_NDISUIO */
char *buf;
PACKET_OID_DATA *o;
char txt[50];
os_snprintf(txt, sizeof(txt), "NDIS: Set OID %08x", oid);
wpa_hexdump_key(MSG_MSGDUMP, txt, (const u8 *) data, len);
buf = os_zalloc(sizeof(*o) + len);
if (buf == NULL)
return -1;
o = (PACKET_OID_DATA *) buf;
o->Oid = oid;
o->Length = len;
if (data)
os_memcpy(o->Data, data, len);
if (!PacketRequest(drv->adapter, TRUE, o)) {
wpa_printf(MSG_DEBUG, "%s: oid=0x%x len (%d) failed",
__func__, oid, len);
os_free(buf);
return -1;
}
os_free(buf);
return 0;
#endif /* CONFIG_USE_NDISUIO */
}
static int ndis_set_auth_mode(struct wpa_driver_ndis_data *drv, int mode)
{
u32 auth_mode = mode;
if (ndis_set_oid(drv, OID_802_11_AUTHENTICATION_MODE,
(char *) &auth_mode, sizeof(auth_mode)) < 0) {
wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
"OID_802_11_AUTHENTICATION_MODE (%d)",
(int) auth_mode);
return -1;
}
return 0;
}
static int ndis_get_auth_mode(struct wpa_driver_ndis_data *drv)
{
u32 auth_mode;
int res;
res = ndis_get_oid(drv, OID_802_11_AUTHENTICATION_MODE,
(char *) &auth_mode, sizeof(auth_mode));
if (res != sizeof(auth_mode)) {
wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
"OID_802_11_AUTHENTICATION_MODE");
return -1;
}
return auth_mode;
}
static int ndis_set_encr_status(struct wpa_driver_ndis_data *drv, int encr)
{
u32 encr_status = encr;
if (ndis_set_oid(drv, OID_802_11_ENCRYPTION_STATUS,
(char *) &encr_status, sizeof(encr_status)) < 0) {
wpa_printf(MSG_DEBUG, "NDIS: Failed to set "
"OID_802_11_ENCRYPTION_STATUS (%d)", encr);
return -1;
}
return 0;
}
static int ndis_get_encr_status(struct wpa_driver_ndis_data *drv)
{
u32 encr;
int res;
res = ndis_get_oid(drv, OID_802_11_ENCRYPTION_STATUS,
(char *) &encr, sizeof(encr));
if (res != sizeof(encr)) {
wpa_printf(MSG_DEBUG, "NDIS: Failed to get "
"OID_802_11_ENCRYPTION_STATUS");
return -1;
}
return encr;
}
static int wpa_driver_ndis_get_bssid(void *priv, u8 *bssid)
{
struct wpa_driver_ndis_data *drv = priv;
if (drv->wired) {
/*
* Report PAE group address as the "BSSID" for wired
* connection.
*/
os_memcpy(bssid, pae_group_addr, ETH_ALEN);
return 0;
}
return ndis_get_oid(drv, OID_802_11_BSSID, (char *) bssid, ETH_ALEN) <
0 ? -1 : 0;
}
static int wpa_driver_ndis_get_ssid(void *priv, u8 *ssid)
{
struct wpa_driver_ndis_data *drv = priv;
NDIS_802_11_SSID buf;
int res;
res = ndis_get_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
if (res < 4) {
wpa_printf(MSG_DEBUG, "NDIS: Failed to get SSID");
if (drv->wired) {
wpa_printf(MSG_DEBUG, "NDIS: Allow get_ssid failure "
"with a wired interface");
return 0;
}
return -1;
}
os_memcpy(ssid, buf.Ssid, buf.SsidLength);
return buf.SsidLength;
}
static int wpa_driver_ndis_set_ssid(struct wpa_driver_ndis_data *drv,
const u8 *ssid, size_t ssid_len)
{
NDIS_802_11_SSID buf;
os_memset(&buf, 0, sizeof(buf));
buf.SsidLength = ssid_len;
os_memcpy(buf.Ssid, ssid, ssid_len);
/*
* Make sure radio is marked enabled here so that scan request will not
* force SSID to be changed to a random one in order to enable radio at
* that point.
*/
drv->radio_enabled = 1;
return ndis_set_oid(drv, OID_802_11_SSID, (char *) &buf, sizeof(buf));
}
/* Disconnect using OID_802_11_DISASSOCIATE. This will also turn the radio off.
*/
static int wpa_driver_ndis_radio_off(struct wpa_driver_ndis_data *drv)
{
drv->radio_enabled = 0;
return ndis_set_oid(drv, OID_802_11_DISASSOCIATE, " ", 4);
}
/* Disconnect by setting SSID to random (i.e., likely not used). */
static int wpa_driver_ndis_disconnect(struct wpa_driver_ndis_data *drv)
{
char ssid[SSID_MAX_LEN];
int i;
for (i = 0; i < SSID_MAX_LEN; i++)
ssid[i] = rand() & 0xff;
return wpa_driver_ndis_set_ssid(drv, (u8 *) ssid, SSID_MAX_LEN);
}
static int wpa_driver_ndis_deauthenticate(void *priv, const u8 *addr,
int reason_code)
{
struct wpa_driver_ndis_data *drv = priv;
return wpa_driver_ndis_disconnect(drv);
}
static void wpa_driver_ndis_scan_timeout(void *eloop_ctx, void *timeout_ctx)
{
wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
}
static int wpa_driver_ndis_scan_native80211(
struct wpa_driver_ndis_data *drv,
struct wpa_driver_scan_params *params)
{
DOT11_SCAN_REQUEST_V2 req;
int res;
os_memset(&req, 0, sizeof(req));
req.dot11BSSType = dot11_BSS_type_any;
os_memset(req.dot11BSSID, 0xff, ETH_ALEN);
req.dot11ScanType = dot11_scan_type_auto;
res = ndis_set_oid(drv, OID_DOT11_SCAN_REQUEST, (char *) &req,
sizeof(req));
eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
drv->ctx);
return res;
}
static int wpa_driver_ndis_scan(void *priv,
struct wpa_driver_scan_params *params)
{
struct wpa_driver_ndis_data *drv = priv;
int res;
if (drv->native80211)
return wpa_driver_ndis_scan_native80211(drv, params);
if (!drv->radio_enabled) {
wpa_printf(MSG_DEBUG, "NDIS: turning radio on before the first"
" scan");
if (wpa_driver_ndis_disconnect(drv) < 0) {
wpa_printf(MSG_DEBUG, "NDIS: failed to enable radio");
}
drv->radio_enabled = 1;
}
res = ndis_set_oid(drv, OID_802_11_BSSID_LIST_SCAN, " ", 4);
eloop_cancel_timeout(wpa_driver_ndis_scan_timeout, drv, drv->ctx);
eloop_register_timeout(7, 0, wpa_driver_ndis_scan_timeout, drv,
drv->ctx);
return res;
}
static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
{
return get_ie((const u8 *) (res + 1), res->ie_len, ie);
}
static struct wpa_scan_res * wpa_driver_ndis_add_scan_ssid(
struct wpa_scan_res *r, NDIS_802_11_SSID *ssid)
{
struct wpa_scan_res *nr;
u8 *pos;
if (wpa_scan_get_ie(r, WLAN_EID_SSID))
return r; /* SSID IE already present */
if (ssid->SsidLength == 0 || ssid->SsidLength > SSID_MAX_LEN)
return r; /* No valid SSID inside scan data */
nr = os_realloc(r, sizeof(*r) + r->ie_len + 2 + ssid->SsidLength);
if (nr == NULL)
return r;
pos = ((u8 *) (nr + 1)) + nr->ie_len;
*pos++ = WLAN_EID_SSID;
*pos++ = ssid->SsidLength;
os_memcpy(pos, ssid->Ssid, ssid->SsidLength);
nr->ie_len += 2 + ssid->SsidLength;
return nr;
}
static struct wpa_scan_results * wpa_driver_ndis_get_scan_results(void *priv)
{
struct wpa_driver_ndis_data *drv = priv;
NDIS_802_11_BSSID_LIST_EX *b;
size_t blen, count, i;
int len;
char *pos;
struct wpa_scan_results *results;
struct wpa_scan_res *r;
blen = 65535;
b = os_zalloc(blen);
if (b == NULL)
return NULL;
len = ndis_get_oid(drv, OID_802_11_BSSID_LIST, (char *) b, blen);
if (len < 0) {
wpa_printf(MSG_DEBUG, "NDIS: failed to get scan results");
os_free(b);
return NULL;
}
count = b->NumberOfItems;
results = os_zalloc(sizeof(*results));
if (results == NULL) {
os_free(b);
return NULL;
}
results->res = os_calloc(count, sizeof(struct wpa_scan_res *));
if (results->res == NULL) {
os_free(results);
os_free(b);
return NULL;
}
pos = (char *) &b->Bssid[0];
for (i = 0; i < count; i++) {
NDIS_WLAN_BSSID_EX *bss = (NDIS_WLAN_BSSID_EX *) pos;
NDIS_802_11_FIXED_IEs *fixed;
if (bss->IELength < sizeof(NDIS_802_11_FIXED_IEs)) {
wpa_printf(MSG_DEBUG, "NDIS: too small IELength=%d",
(int) bss->IELength);
break;
}
if (((char *) bss->IEs) + bss->IELength > (char *) b + blen) {
/*
* Some NDIS drivers have been reported to include an
* entry with an invalid IELength in scan results and
* this has crashed wpa_supplicant, so validate the
* returned value before using it.
*/
wpa_printf(MSG_DEBUG, "NDIS: skipped invalid scan "
"result IE (BSSID=" MACSTR ") IELength=%d",
MAC2STR(bss->MacAddress),
(int) bss->IELength);
break;
}
r = os_zalloc(sizeof(*r) + bss->IELength -
sizeof(NDIS_802_11_FIXED_IEs));
if (r == NULL)
break;
os_memcpy(r->bssid, bss->MacAddress, ETH_ALEN);
r->level = (int) bss->Rssi;
r->freq = bss->Configuration.DSConfig / 1000;
fixed = (NDIS_802_11_FIXED_IEs *) bss->IEs;
r->beacon_int = WPA_GET_LE16((u8 *) &fixed->BeaconInterval);
r->caps = WPA_GET_LE16((u8 *) &fixed->Capabilities);
r->tsf = WPA_GET_LE64(fixed->Timestamp);
os_memcpy(r + 1, bss->IEs + sizeof(NDIS_802_11_FIXED_IEs),
bss->IELength - sizeof(NDIS_802_11_FIXED_IEs));
r->ie_len = bss->IELength - sizeof(NDIS_802_11_FIXED_IEs);
r = wpa_driver_ndis_add_scan_ssid(r, &bss->Ssid);
results->res[results->num++] = r;
pos += bss->Length;
if (pos > (char *) b + blen)
break;
}
os_free(b);
return results;
}
static int wpa_driver_ndis_remove_key(struct wpa_driver_ndis_data *drv,
int key_idx, const u8 *addr,
const u8 *bssid, int pairwise)
{
NDIS_802_11_REMOVE_KEY rkey;
NDIS_802_11_KEY_INDEX index;
int res, res2;
os_memset(&rkey, 0, sizeof(rkey));
rkey.Length = sizeof(rkey);
rkey.KeyIndex = key_idx;
if (pairwise)
rkey.KeyIndex |= 1 << 30;
os_memcpy(rkey.BSSID, bssid, ETH_ALEN);
res = ndis_set_oid(drv, OID_802_11_REMOVE_KEY, (char *) &rkey,
sizeof(rkey));
if (!pairwise) {
index = key_idx;
res2 = ndis_set_oid(drv, OID_802_11_REMOVE_WEP,
(char *) &index, sizeof(index));
} else
res2 = 0;
if (res < 0 && res2 < 0)
return -1;
return 0;
}
static int 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)
{
NDIS_802_11_WEP *wep;
size_t len;
int res;
len = 12 + key_len;
wep = os_zalloc(len);
if (wep == NULL)
return -1;
wep->Length = len;
wep->KeyIndex = key_idx;
if (set_tx)
wep->KeyIndex |= 1 << 31;
#if 0 /* Setting bit30 does not seem to work with some NDIS drivers */
if (pairwise)
wep->KeyIndex |= 1 << 30;
#endif
wep->KeyLength = key_len;
os_memcpy(wep->KeyMaterial, key, key_len);
wpa_hexdump_key(MSG_MSGDUMP, "NDIS: OID_802_11_ADD_WEP",
(u8 *) wep, len);
res = ndis_set_oid(drv, OID_802_11_ADD_WEP, (char *) wep, len);
os_free(wep);
return res;
}
static int 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)
{
struct wpa_driver_ndis_data *drv = priv;
size_t len, i;
NDIS_802_11_KEY *nkey;
int res, pairwise;
u8 bssid[ETH_ALEN];
if (addr == NULL || is_broadcast_ether_addr(addr)) {
/* Group Key */
pairwise = 0;
if (wpa_driver_ndis_get_bssid(drv, bssid) < 0)
os_memset(bssid, 0xff, ETH_ALEN);
} else {
/* Pairwise Key */
pairwise = 1;
os_memcpy(bssid, addr, ETH_ALEN);
}
if (alg == WPA_ALG_NONE || key_len == 0) {
return wpa_driver_ndis_remove_key(drv, key_idx, addr, bssid,
pairwise);
}
if (alg == WPA_ALG_WEP) {
return wpa_driver_ndis_add_wep(drv, pairwise, key_idx, set_tx,
key, key_len);
}
len = 12 + 6 + 6 + 8 + key_len;