зеркало из https://github.com/mozilla/pjs.git
Bug 600235 - Remove wifi scanning code on windows for versions less than XP SP3. r=stuart, a=beltzner
--HG-- extra : rebase_source : d8fc9a5eaf7c4a7fc0bc8fc0e4fd5e77bb698954
This commit is contained in:
Doug Turner
Родитель
f6af7caff3
Коммит
159b6bb331
|
|
@ -64,7 +64,7 @@ ifeq ($(OS_ARCH),Darwin)
|
|||
CPPSRCS += nsWifiScannerMac.cpp
|
||||
CMMSRCS = osx_corewlan.mm
|
||||
else
|
||||
ifneq (,$(filter WINCE WINNT,$(OS_ARCH)))
|
||||
ifneq (,$(filter WINNT,$(OS_ARCH)))
|
||||
CPPSRCS += nsWifiScannerWin.cpp
|
||||
else
|
||||
ifeq ($(OS_ARCH),Linux)
|
||||
|
|
|
|||
|
|
@ -55,505 +55,9 @@
|
|||
#include "nsComponentManagerUtils.h"
|
||||
#include "nsIMutableArray.h"
|
||||
|
||||
#ifdef WINCE
|
||||
#include <Iphlpapi.h> // For GetAdaptersInfo()
|
||||
#include <nuiouser.h> // For NDISUIO stuff
|
||||
// GetAdaptersInfo
|
||||
typedef DWORD (*GETADAPTERSINFO)(PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen);
|
||||
#endif
|
||||
|
||||
|
||||
// Taken from ndis.h
|
||||
#define NDIS_STATUS_INVALID_LENGTH ((NDIS_STATUS)0xC0010014L)
|
||||
#define NDIS_STATUS_BUFFER_TOO_SHORT ((NDIS_STATUS)0xC0010016L)
|
||||
|
||||
static const int kStringLength = 512;
|
||||
|
||||
// The limits on the size of the buffer used for the OID query.
|
||||
static const int kInitialBufferSize = 2 << 12; // Good for about 50 APs.
|
||||
static const int kMaximumBufferSize = 2 << 20; // 2MB
|
||||
|
||||
static int oid_buffer_size_ = kStringLength;
|
||||
|
||||
PRBool ResizeBuffer(int requested_size, BYTE **buffer)
|
||||
{
|
||||
if (requested_size > kMaximumBufferSize) {
|
||||
free(*buffer);
|
||||
*buffer = NULL;
|
||||
return false;
|
||||
}
|
||||
|
||||
BYTE *new_buffer = (BYTE*)realloc(*buffer, requested_size);
|
||||
if (new_buffer == NULL) {
|
||||
free(*buffer);
|
||||
*buffer = NULL;
|
||||
return false;
|
||||
}
|
||||
|
||||
*buffer = new_buffer;
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
#ifdef WINCE
|
||||
int PerformQuery(HANDLE &ndis_handle,
|
||||
const TCHAR *device_name,
|
||||
BYTE *buffer,
|
||||
DWORD buffer_size,
|
||||
BYTE *&data,
|
||||
DWORD *bytes_out) {
|
||||
|
||||
NS_ASSERTION(buffer, "Buffer is null. OOM?");
|
||||
|
||||
if (!buffer)
|
||||
return ERROR_INSUFFICIENT_BUFFER;
|
||||
|
||||
// Form the query parameters.
|
||||
NDISUIO_QUERY_OID *query = (NDISUIO_QUERY_OID*)(buffer);
|
||||
query->ptcDeviceName = const_cast<PTCHAR>(device_name);
|
||||
query->Oid = OID_802_11_BSSID_LIST;
|
||||
|
||||
if (!DeviceIoControl(ndis_handle,
|
||||
IOCTL_NDISUIO_QUERY_OID_VALUE,
|
||||
query,
|
||||
sizeof(NDISUIO_QUERY_OID),
|
||||
query,
|
||||
buffer_size,
|
||||
bytes_out,
|
||||
NULL)) {
|
||||
return GetLastError();
|
||||
}
|
||||
// The start of the NDIS_802_11_BSSID_LIST is at Data[0]
|
||||
data = &query->Data[0];
|
||||
return ERROR_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
|
||||
void GetNetworkInterfaces(GETADAPTERSINFO pGetAdaptersInfo, nsStringArray& interfaces){
|
||||
// Get the list of adapters. First determine the buffer size.
|
||||
ULONG buffer_size = 0;
|
||||
// since buffer_size is zero before this, we should get ERROR_BUFFER_OVERFLOW
|
||||
// after this error the value of buffer_size will reflect the size needed
|
||||
if (pGetAdaptersInfo(NULL, &buffer_size) != ERROR_BUFFER_OVERFLOW)
|
||||
return;
|
||||
|
||||
// Allocate adapter_info with correct size.
|
||||
IP_ADAPTER_INFO *adapter_info = (IP_ADAPTER_INFO*)malloc(buffer_size);
|
||||
if (adapter_info == NULL){
|
||||
free (adapter_info);
|
||||
return;
|
||||
}
|
||||
|
||||
if (pGetAdaptersInfo(adapter_info, &buffer_size) != ERROR_SUCCESS){
|
||||
free (adapter_info);
|
||||
return;
|
||||
}
|
||||
|
||||
// Walk through the list of adapters.
|
||||
while (adapter_info) {
|
||||
// AdapterName e.g. TNETW12511
|
||||
nsString adapterName;
|
||||
// AdapterName is in ASCII
|
||||
adapterName.AppendWithConversion(adapter_info->AdapterName);
|
||||
interfaces.AppendString(adapterName);
|
||||
adapter_info = adapter_info->Next;
|
||||
}
|
||||
free (adapter_info);
|
||||
}
|
||||
|
||||
nsresult SetupWince(HANDLE& ndis_handle, GETADAPTERSINFO& pGetAdaptersInfo){
|
||||
// Get the Network Driver Interface Specification (NDIS) handle for wireless
|
||||
// devices. NDIS defines a standard API for Network Interface Cards (NICs).
|
||||
// NDIS User Mode I/O (NDISUIO) is an NDIS protocol driver which offers
|
||||
// support for wireless devices.
|
||||
|
||||
ndis_handle = CreateFile(NDISUIO_DEVICE_NAME, GENERIC_READ,
|
||||
FILE_SHARE_READ, NULL, OPEN_EXISTING,
|
||||
FILE_ATTRIBUTE_READONLY, NULL);
|
||||
if (INVALID_HANDLE_VALUE == ndis_handle)
|
||||
return NS_ERROR_FAILURE;
|
||||
|
||||
HINSTANCE hIpDLL = LoadLibraryW(L"Iphlpapi.dll");
|
||||
if (!hIpDLL)
|
||||
return NS_ERROR_NOT_AVAILABLE;
|
||||
|
||||
pGetAdaptersInfo = (GETADAPTERSINFO) GetProcAddress(hIpDLL, "GetAdaptersInfo");
|
||||
|
||||
if (!pGetAdaptersInfo)
|
||||
return NS_ERROR_FAILURE;
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
#else
|
||||
int PerformQuery(HANDLE adapter_handle,
|
||||
BYTE *buffer,
|
||||
DWORD buffer_size,
|
||||
DWORD *bytes_out) {
|
||||
|
||||
DWORD oid = OID_802_11_BSSID_LIST;
|
||||
|
||||
if (!DeviceIoControl(adapter_handle,
|
||||
IOCTL_NDIS_QUERY_GLOBAL_STATS,
|
||||
&oid,
|
||||
sizeof(oid),
|
||||
buffer,
|
||||
buffer_size,
|
||||
bytes_out,
|
||||
NULL)) {
|
||||
return GetLastError();
|
||||
}
|
||||
return ERROR_SUCCESS;
|
||||
}
|
||||
|
||||
HANDLE GetFileHandle(const PRUnichar* device_name) {
|
||||
// We access a device with DOS path \Device\<device_name> at
|
||||
// \\.\<device_name>.
|
||||
|
||||
nsString formatted_device_name;
|
||||
formatted_device_name.Assign(L"\\\\.\\");
|
||||
formatted_device_name.Append(device_name);
|
||||
|
||||
return CreateFileW(formatted_device_name.get(),
|
||||
GENERIC_READ,
|
||||
FILE_SHARE_READ | FILE_SHARE_WRITE, // share mode
|
||||
0, // security attributes
|
||||
OPEN_EXISTING,
|
||||
0, // flags and attributes
|
||||
INVALID_HANDLE_VALUE);
|
||||
}
|
||||
|
||||
|
||||
bool UndefineDosDevice(const PRUnichar* device_name) {
|
||||
// We remove only the mapping we use, that is \Device\<device_name>.
|
||||
nsString target_path;
|
||||
target_path.Assign(L"\\Device\\");
|
||||
target_path.Append(device_name);
|
||||
|
||||
return DefineDosDeviceW(DDD_RAW_TARGET_PATH | DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
|
||||
device_name,
|
||||
target_path.get()) == TRUE;
|
||||
}
|
||||
|
||||
bool DefineDosDeviceIfNotExists(const PRUnichar* device_name, bool* dosDeviceDefined) {
|
||||
|
||||
// We create a DOS device name for the device at \Device\<device_name>.
|
||||
nsString target_path;
|
||||
target_path.Assign(L"\\Device\\");
|
||||
target_path.Append(device_name);
|
||||
|
||||
WCHAR target[kStringLength];
|
||||
|
||||
if (QueryDosDeviceW(device_name, target, kStringLength) > 0 && target_path.Equals(target)) {
|
||||
// Device already exists.
|
||||
return true;
|
||||
}
|
||||
|
||||
DWORD error = GetLastError();
|
||||
if (error != ERROR_FILE_NOT_FOUND) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!DefineDosDeviceW(DDD_RAW_TARGET_PATH,
|
||||
device_name,
|
||||
target_path.get())) {
|
||||
return false;
|
||||
}
|
||||
*dosDeviceDefined = true;
|
||||
// Check that the device is really there.
|
||||
return QueryDosDeviceW(device_name, target, kStringLength) > 0 &&
|
||||
target_path.Equals(target);
|
||||
}
|
||||
|
||||
void GetNetworkInterfaces(nsStringArray& interfaces)
|
||||
{
|
||||
HKEY network_cards_key = NULL;
|
||||
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
|
||||
L"Software\\Microsoft\\Windows NT\\CurrentVersion\\NetworkCards",
|
||||
0,
|
||||
KEY_READ,
|
||||
&network_cards_key) != ERROR_SUCCESS)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
for (int i = 0; ; ++i) {
|
||||
WCHAR name[kStringLength];
|
||||
DWORD name_size = kStringLength;
|
||||
FILETIME time;
|
||||
|
||||
if (RegEnumKeyExW(network_cards_key,
|
||||
i,
|
||||
name,
|
||||
&name_size,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
&time) != ERROR_SUCCESS)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
HKEY hardware_key = NULL;
|
||||
if (RegOpenKeyExW(network_cards_key,
|
||||
name,
|
||||
0,
|
||||
KEY_READ,
|
||||
&hardware_key) != ERROR_SUCCESS)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
PRUnichar service_name[kStringLength];
|
||||
DWORD service_name_size = kStringLength;
|
||||
DWORD type = 0;
|
||||
|
||||
if (RegQueryValueExW(hardware_key,
|
||||
L"ServiceName",
|
||||
NULL,
|
||||
&type,
|
||||
(LPBYTE)service_name,
|
||||
&service_name_size) == ERROR_SUCCESS) {
|
||||
|
||||
interfaces.AppendString(nsString(service_name)); // is this allowed?
|
||||
}
|
||||
RegCloseKey(hardware_key);
|
||||
}
|
||||
RegCloseKey(network_cards_key);
|
||||
}
|
||||
|
||||
|
||||
PRBool IsRunningOnVista() {
|
||||
static DWORD os_major_version = 0;
|
||||
static DWORD platform_id = 0;
|
||||
|
||||
if (0 == os_major_version) {
|
||||
OSVERSIONINFO os_version = {0};
|
||||
os_version.dwOSVersionInfoSize = sizeof(os_version);
|
||||
GetVersionEx(&os_version);
|
||||
os_major_version = os_version.dwMajorVersion;
|
||||
platform_id = os_version.dwPlatformId;
|
||||
}
|
||||
|
||||
return (6 == os_major_version) && (VER_PLATFORM_WIN32_NT == platform_id);
|
||||
}
|
||||
#endif
|
||||
|
||||
nsresult
|
||||
nsWifiMonitor::DoScan()
|
||||
{
|
||||
#ifndef WINCE
|
||||
if (!IsRunningOnVista()) {
|
||||
#else
|
||||
HANDLE ndis_handle;
|
||||
GETADAPTERSINFO pGetAdaptersInfo;
|
||||
nsresult rc = SetupWince(ndis_handle, pGetAdaptersInfo);
|
||||
if (rc != NS_OK)
|
||||
return rc;
|
||||
#endif
|
||||
|
||||
nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
|
||||
nsCOMArray<nsWifiAccessPoint> accessPoints;
|
||||
|
||||
do {
|
||||
accessPoints.Clear();
|
||||
|
||||
nsStringArray interfaces;
|
||||
#ifdef WINCE
|
||||
GetNetworkInterfaces(pGetAdaptersInfo, interfaces);
|
||||
#else
|
||||
GetNetworkInterfaces(interfaces);
|
||||
#endif
|
||||
|
||||
for (int i = 0; i < interfaces.Count(); i++) {
|
||||
nsString *s = interfaces.StringAt(i);
|
||||
const PRUnichar *service_name = s->get();
|
||||
|
||||
#ifndef WINCE
|
||||
bool dosDeviceDefined = false;
|
||||
if (!DefineDosDeviceIfNotExists(service_name, &dosDeviceDefined))
|
||||
continue;
|
||||
|
||||
// Get the handle to the device. This will fail if the named device is not
|
||||
// valid.
|
||||
|
||||
HANDLE adapter_handle = GetFileHandle(service_name);
|
||||
if (adapter_handle == INVALID_HANDLE_VALUE)
|
||||
continue;
|
||||
#else
|
||||
BYTE *data; // will store address of NDIS_802_11_BSSID_LIST data
|
||||
#endif
|
||||
|
||||
// Get the data.
|
||||
|
||||
BYTE *buffer = (BYTE*)malloc(oid_buffer_size_);
|
||||
if (buffer == NULL) {
|
||||
#ifdef WINCE
|
||||
CloseHandle(ndis_handle);
|
||||
#endif
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
}
|
||||
|
||||
DWORD bytes_out;
|
||||
int result;
|
||||
|
||||
while (true) {
|
||||
|
||||
NS_ASSERTION(buffer && oid_buffer_size_ > 0, "buffer must not be null, and the size must be larger than 0");
|
||||
|
||||
bytes_out = 0;
|
||||
#ifdef WINCE
|
||||
result = PerformQuery(ndis_handle, service_name, buffer, oid_buffer_size_, data, &bytes_out);
|
||||
#else
|
||||
result = PerformQuery(adapter_handle, buffer, oid_buffer_size_, &bytes_out);
|
||||
#endif
|
||||
|
||||
if (result == ERROR_GEN_FAILURE || // Returned by some Intel cards.
|
||||
result == ERROR_INVALID_USER_BUFFER || // Returned on the Samsung Omnia II.
|
||||
result == ERROR_INSUFFICIENT_BUFFER ||
|
||||
result == ERROR_MORE_DATA ||
|
||||
result == NDIS_STATUS_INVALID_LENGTH ||
|
||||
result == NDIS_STATUS_BUFFER_TOO_SHORT) {
|
||||
|
||||
// The buffer we supplied is too small, so increase it. bytes_out should
|
||||
// provide the required buffer size, but this is not always the case.
|
||||
|
||||
if (bytes_out > static_cast<DWORD>(oid_buffer_size_)) {
|
||||
oid_buffer_size_ = bytes_out;
|
||||
} else {
|
||||
oid_buffer_size_ *= 2;
|
||||
}
|
||||
|
||||
if (!ResizeBuffer(oid_buffer_size_, &buffer)) {
|
||||
oid_buffer_size_ = kInitialBufferSize; // Reset for next time.
|
||||
continue;
|
||||
}
|
||||
} else {
|
||||
// The buffer is not too small.
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (result == ERROR_SUCCESS) {
|
||||
#ifdef WINCE
|
||||
NDIS_802_11_BSSID_LIST* bssid_list = (NDIS_802_11_BSSID_LIST*)data;
|
||||
#else
|
||||
NDIS_802_11_BSSID_LIST* bssid_list = (NDIS_802_11_BSSID_LIST*)buffer;
|
||||
#endif
|
||||
|
||||
// Walk through the BSS IDs.
|
||||
const uint8 *iterator = (const uint8*)&bssid_list->Bssid[0];
|
||||
const uint8 *end_of_buffer = (const uint8*)buffer + oid_buffer_size_;
|
||||
for (int i = 0; i < static_cast<int>(bssid_list->NumberOfItems); ++i) {
|
||||
|
||||
const NDIS_WLAN_BSSID *bss_id = (const NDIS_WLAN_BSSID*)iterator;
|
||||
|
||||
// Check that the length of this BSS ID is reasonable.
|
||||
if (bss_id->Length < sizeof(NDIS_WLAN_BSSID) ||
|
||||
iterator + bss_id->Length > end_of_buffer) {
|
||||
break;
|
||||
}
|
||||
|
||||
nsWifiAccessPoint* ap = new nsWifiAccessPoint();
|
||||
if (!ap)
|
||||
continue;
|
||||
|
||||
ap->setMac(bss_id->MacAddress);
|
||||
ap->setSignal(bss_id->Rssi);
|
||||
ap->setSSID((char*) bss_id->Ssid.Ssid, bss_id->Ssid.SsidLength);
|
||||
|
||||
accessPoints.AppendObject(ap);
|
||||
|
||||
// Move to the next BSS ID.
|
||||
iterator += bss_id->Length;
|
||||
}
|
||||
|
||||
free(buffer);
|
||||
|
||||
// Clean up.
|
||||
#ifndef WINCE
|
||||
CloseHandle(adapter_handle);
|
||||
#endif
|
||||
}
|
||||
|
||||
#ifndef WINCE
|
||||
if (dosDeviceDefined)
|
||||
UndefineDosDevice(service_name);
|
||||
#endif
|
||||
}
|
||||
|
||||
PRBool accessPointsChanged = !AccessPointsEqual(accessPoints, lastAccessPoints);
|
||||
nsCOMArray<nsIWifiListener> currentListeners;
|
||||
|
||||
{
|
||||
nsAutoMonitor mon(mMonitor);
|
||||
|
||||
for (PRUint32 i = 0; i < mListeners.Length(); i++) {
|
||||
if (!mListeners[i].mHasSentData || accessPointsChanged) {
|
||||
mListeners[i].mHasSentData = PR_TRUE;
|
||||
currentListeners.AppendObject(mListeners[i].mListener);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
ReplaceArray(lastAccessPoints, accessPoints);
|
||||
|
||||
if (currentListeners.Count() > 0) {
|
||||
|
||||
PRUint32 resultCount = lastAccessPoints.Count();
|
||||
nsIWifiAccessPoint** result = static_cast<nsIWifiAccessPoint**> (nsMemory::Alloc(sizeof(nsIWifiAccessPoint*) * resultCount));
|
||||
if (!result) {
|
||||
#ifdef WINCE
|
||||
CloseHandle(ndis_handle);
|
||||
#endif
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
}
|
||||
|
||||
for (PRUint32 i = 0; i < resultCount; i++)
|
||||
result[i] = lastAccessPoints[i];
|
||||
|
||||
for (PRInt32 i = 0; i < currentListeners.Count(); i++) {
|
||||
|
||||
LOG(("About to send data to the wifi listeners\n"));
|
||||
|
||||
nsCOMPtr<nsIWifiListener> proxy;
|
||||
nsCOMPtr<nsIProxyObjectManager> proxyObjMgr = do_GetService("@mozilla.org/xpcomproxy;1");
|
||||
proxyObjMgr->GetProxyForObject(NS_PROXY_TO_MAIN_THREAD,
|
||||
NS_GET_IID(nsIWifiListener),
|
||||
currentListeners[i],
|
||||
NS_PROXY_SYNC | NS_PROXY_ALWAYS,
|
||||
getter_AddRefs(proxy));
|
||||
if (!proxy) {
|
||||
LOG(("There is no proxy available. this should never happen\n"));
|
||||
}
|
||||
else
|
||||
{
|
||||
nsresult rv = proxy->OnChange(result, resultCount);
|
||||
LOG( ("... sent %d\n", rv));
|
||||
}
|
||||
}
|
||||
|
||||
nsMemory::Free(result);
|
||||
}
|
||||
|
||||
// wait for some reasonable amount of time. pref?
|
||||
LOG(("waiting on monitor\n"));
|
||||
|
||||
nsAutoMonitor mon(mMonitor);
|
||||
mon.Wait(PR_SecondsToInterval(60));
|
||||
}
|
||||
while (mKeepGoing);
|
||||
|
||||
|
||||
|
||||
#ifdef WINCE
|
||||
//Clean up
|
||||
CloseHandle(ndis_handle);
|
||||
#else
|
||||
}
|
||||
else {
|
||||
|
||||
HINSTANCE wlan_library = LoadLibrary("Wlanapi.dll");
|
||||
if (!wlan_library)
|
||||
return NS_ERROR_NOT_AVAILABLE;
|
||||
|
|
@ -701,7 +205,6 @@ nsWifiMonitor::DoScan()
|
|||
mon.Wait(PR_SecondsToInterval(60));
|
||||
}
|
||||
while (mKeepGoing);
|
||||
}
|
||||
#endif
|
||||
return NS_OK;
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче