зеркало из https://github.com/mozilla/pjs.git
Bug 482613 - Support for WiFi Scanning on Windows Mobile r=dougt, sr=jst
This commit is contained in:
Nino DAversa
Родитель
2602acc8f6
Коммит
510f46a8ce
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@ -7886,6 +7886,8 @@ if test "$NECKO_WIFI"; then
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NECKO_WIFI=1
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elif test "$OS_ARCH" = "WINNT"; then
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NECKO_WIFI=1
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elif test "$OS_ARCH" = "WINCE"; then
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NECKO_WIFI=1
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else
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AC_MSG_WARN([Necko WiFi scanning not supported on your platform.])
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fi
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@ -22,6 +22,7 @@
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*
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* Contributor(s):
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* Doug Turner <dougt@meer.net> (Original Author)
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* Nino D'Aversa <ninodaversa@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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@ -54,6 +55,13 @@
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#include "nsComponentManagerUtils.h"
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#include "nsIMutableArray.h"
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#ifdef WINCE
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#include <Iphlpapi.h> // For GetAdaptersInfo()
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#include <nuiouser.h> // For NDISUIO stuff
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// GetAdaptersInfo
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typedef DWORD (*GETADAPTERSINFO)(PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen);
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#endif
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// Taken from ndis.h
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#define NDIS_STATUS_INVALID_LENGTH ((NDIS_STATUS)0xC0010014L)
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@ -75,7 +83,7 @@ PRBool ResizeBuffer(int requested_size, BYTE **buffer)
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return false;
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}
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BYTE *new_buffer = reinterpret_cast<BYTE*>(realloc(*buffer, requested_size));
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BYTE *new_buffer = (BYTE*)realloc(*buffer, requested_size);
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if (new_buffer == NULL) {
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free(*buffer);
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*buffer = NULL;
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@ -87,7 +95,92 @@ PRBool ResizeBuffer(int requested_size, BYTE **buffer)
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}
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#ifdef WINCE
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int PerformQuery(HANDLE &ndis_handle,
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TCHAR *device_name,
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BYTE *buffer,
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DWORD buffer_size,
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BYTE *&data,
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DWORD *bytes_out) {
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// Form the query parameters.
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NDISUIO_QUERY_OID *query = (NDISUIO_QUERY_OID*)(buffer);
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query->ptcDeviceName = device_name;
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query->Oid = OID_802_11_BSSID_LIST;
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if (!DeviceIoControl(ndis_handle,
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IOCTL_NDISUIO_QUERY_OID_VALUE,
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query,
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sizeof(NDISUIO_QUERY_OID),
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query,
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buffer_size,
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bytes_out,
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NULL)) {
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return GetLastError();
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}
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// The start of the NDIS_802_11_BSSID_LIST is at Data[0]
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data = &query->Data[0];
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return ERROR_SUCCESS;
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}
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void GetNetworkInterfaces(GETADAPTERSINFO pGetAdaptersInfo, nsStringArray& interfaces){
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// Get the list of adapters. First determine the buffer size.
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ULONG buffer_size = 0;
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// since buffer_size is zero before this, we should get ERROR_BUFFER_OVERFLOW
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// after this error the value of buffer_size will reflect the size needed
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if (pGetAdaptersInfo(NULL, &buffer_size) != ERROR_BUFFER_OVERFLOW)
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return;
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// Allocate adapter_info with correct size.
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IP_ADAPTER_INFO *adapter_info = (IP_ADAPTER_INFO*)malloc(buffer_size);
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if (adapter_info == NULL){
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free (adapter_info);
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return;
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}
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if (pGetAdaptersInfo(adapter_info, &buffer_size) != ERROR_SUCCESS){
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free (adapter_info);
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return;
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}
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// Walk through the list of adapters.
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while (adapter_info) {
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// AdapterName e.g. TNETW12511
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nsString adapterName;
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// AdapterName is in ASCII
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adapterName.AppendWithConversion(adapter_info->AdapterName);
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interfaces.AppendString(adapterName);
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adapter_info = adapter_info->Next;
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}
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free (adapter_info);
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}
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nsresult SetupWince(HANDLE& ndis_handle, GETADAPTERSINFO& pGetAdaptersInfo){
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// Get the Network Driver Interface Specification (NDIS) handle for wireless
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// devices. NDIS defines a standard API for Network Interface Cards (NICs).
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// NDIS User Mode I/O (NDISUIO) is an NDIS protocol driver which offers
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// support for wireless devices.
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ndis_handle = CreateFile(NDISUIO_DEVICE_NAME, GENERIC_READ,
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FILE_SHARE_READ, NULL, OPEN_EXISTING,
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FILE_ATTRIBUTE_READONLY, NULL);
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if (INVALID_HANDLE_VALUE == ndis_handle)
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return NS_ERROR_FAILURE;
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HINSTANCE hIpDLL = LoadLibraryW(L"Iphlpapi.dll");
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if (!hIpDLL)
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return NS_ERROR_NOT_AVAILABLE;
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pGetAdaptersInfo = (GETADAPTERSINFO) GetProcAddress(hIpDLL, "GetAdaptersInfo");
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if (!pGetAdaptersInfo)
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return NS_ERROR_FAILURE;
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return NS_OK;
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}
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#else
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int PerformQuery(HANDLE adapter_handle,
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BYTE *buffer,
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DWORD buffer_size,
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@ -166,7 +259,7 @@ bool DefineDosDeviceIfNotExists(unsigned short* device_name) {
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target_path.Equals(target);
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}
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void GetNetworkInterfacesFromRegistry(nsStringArray& interfaces)
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void GetNetworkInterfaces(nsStringArray& interfaces)
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{
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HKEY network_cards_key = NULL;
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if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
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@ -213,7 +306,7 @@ void GetNetworkInterfacesFromRegistry(nsStringArray& interfaces)
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L"ServiceName",
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NULL,
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&type,
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reinterpret_cast<LPBYTE>(service_name),
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(LPBYTE)service_name,
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&service_name_size) == ERROR_SUCCESS) {
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interfaces.AppendString(nsString(service_name)); // is this allowed?
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@ -238,11 +331,20 @@ PRBool IsRunningOnVista() {
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return (6 == os_major_version) && (VER_PLATFORM_WIN32_NT == platform_id);
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}
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#endif
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nsresult
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nsWifiMonitor::DoScan()
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{
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#ifndef WINCE
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if (!IsRunningOnVista()) {
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#else
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HANDLE ndis_handle;
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GETADAPTERSINFO pGetAdaptersInfo;
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nsresult rc = SetupWince(ndis_handle, pGetAdaptersInfo);
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if (rc != NS_OK)
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return rc;
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#endif
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nsCOMArray<nsWifiAccessPoint> lastAccessPoints;
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nsCOMArray<nsWifiAccessPoint> accessPoints;
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@ -251,12 +353,17 @@ nsWifiMonitor::DoScan()
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accessPoints.Clear();
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nsStringArray interfaces;
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GetNetworkInterfacesFromRegistry(interfaces);
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#ifdef WINCE
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GetNetworkInterfaces(pGetAdaptersInfo, interfaces);
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#else
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GetNetworkInterfaces(interfaces);
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#endif
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for (int i = 0; i < interfaces.Count(); i++) {
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nsString *s = interfaces.StringAt(i);
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unsigned short *service_name = (PRUnichar*) s->get();
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#ifndef WINCE
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if (!DefineDosDeviceIfNotExists(service_name))
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continue;
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@ -266,10 +373,13 @@ nsWifiMonitor::DoScan()
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HANDLE adapter_handle = GetFileHandle(service_name);
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if (adapter_handle == INVALID_HANDLE_VALUE)
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continue;
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#else
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BYTE *data; // will store address of NDIS_802_11_BSSID_LIST data
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#endif
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// Get the data.
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BYTE *buffer = reinterpret_cast<BYTE*>(malloc(oid_buffer_size_));
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BYTE *buffer = (BYTE*)malloc(oid_buffer_size_);
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if (buffer == NULL)
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return NS_ERROR_OUT_OF_MEMORY;
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@ -278,7 +388,11 @@ nsWifiMonitor::DoScan()
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while (true) {
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bytes_out = 0;
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#ifdef WINCE
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result = PerformQuery(ndis_handle, service_name, buffer, oid_buffer_size_, data, &bytes_out);
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#else
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result = PerformQuery(adapter_handle, buffer, oid_buffer_size_, &bytes_out);
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#endif
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if (result == ERROR_GEN_FAILURE || // Returned by some Intel cards.
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result == ERROR_INSUFFICIENT_BUFFER ||
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@ -306,15 +420,19 @@ nsWifiMonitor::DoScan()
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}
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if (result == ERROR_SUCCESS) {
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NDIS_802_11_BSSID_LIST* bssid_list = reinterpret_cast<NDIS_802_11_BSSID_LIST*>(buffer);
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#ifdef WINCE
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NDIS_802_11_BSSID_LIST* bssid_list = (NDIS_802_11_BSSID_LIST*)data;
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#else
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NDIS_802_11_BSSID_LIST* bssid_list = (NDIS_802_11_BSSID_LIST*)buffer;
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#endif
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// Walk through the BSS IDs.
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int found = 0;
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const uint8 *iterator = reinterpret_cast<const uint8*>(&bssid_list->Bssid[0]);
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const uint8 *end_of_buffer = reinterpret_cast<const uint8*>(&bssid_list) + oid_buffer_size_;
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const uint8 *iterator = (const uint8*)&bssid_list->Bssid[0];
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const uint8 *end_of_buffer = (const uint8*)buffer + oid_buffer_size_;
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for (int i = 0; i < static_cast<int>(bssid_list->NumberOfItems); ++i) {
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const NDIS_WLAN_BSSID *bss_id = reinterpret_cast<const NDIS_WLAN_BSSID*>(iterator);
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const NDIS_WLAN_BSSID *bss_id = (const NDIS_WLAN_BSSID*)iterator;
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// Check that the length of this BSS ID is reasonable.
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if (bss_id->Length < sizeof(NDIS_WLAN_BSSID) ||
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@ -339,10 +457,14 @@ nsWifiMonitor::DoScan()
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free(buffer);
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// Clean up.
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#ifndef WINCE
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CloseHandle(adapter_handle);
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#endif
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}
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#ifndef WINCE
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UndefineDosDevice(service_name);
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#endif
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}
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@ -407,6 +529,10 @@ nsWifiMonitor::DoScan()
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#ifdef WINCE
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//Clean up
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CloseHandle(ndis_handle);
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#else
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}
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else {
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@ -558,5 +684,6 @@ nsWifiMonitor::DoScan()
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}
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while (mKeepGoing == PR_TRUE);
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}
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#endif
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return NS_OK;
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}
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