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265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
123 lines
3.6 KiB
C++
123 lines
3.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "win_wlanLibrary.h"
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// Moz headers (alphabetical)
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WinWLANLibrary* WinWLANLibrary::Load() {
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WinWLANLibrary* ret = new WinWLANLibrary();
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if (!ret) {
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return nullptr;
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}
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if (!ret->Initialize()) {
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delete ret;
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return nullptr;
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}
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return ret;
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}
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WinWLANLibrary::WinWLANLibrary()
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: mWlanLibrary(nullptr),
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mWlanHandle(nullptr),
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mWlanEnumInterfacesPtr(nullptr),
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mWlanGetNetworkBssListPtr(nullptr),
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mWlanFreeMemoryPtr(nullptr),
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mWlanCloseHandlePtr(nullptr),
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mWlanOpenHandlePtr(nullptr),
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mWlanRegisterNotificationPtr(nullptr),
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mWlanScanPtr(nullptr) {}
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HANDLE
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WinWLANLibrary::GetWLANHandle() const { return mWlanHandle; }
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decltype(::WlanEnumInterfaces)* WinWLANLibrary::GetWlanEnumInterfacesPtr()
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const {
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return mWlanEnumInterfacesPtr;
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}
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decltype(::WlanGetNetworkBssList)* WinWLANLibrary::GetWlanGetNetworkBssListPtr()
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const {
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return mWlanGetNetworkBssListPtr;
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}
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decltype(::WlanFreeMemory)* WinWLANLibrary::GetWlanFreeMemoryPtr() const {
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return mWlanFreeMemoryPtr;
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}
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decltype(::WlanCloseHandle)* WinWLANLibrary::GetWlanCloseHandlePtr() const {
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return mWlanCloseHandlePtr;
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}
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decltype(::WlanOpenHandle)* WinWLANLibrary::GetWlanOpenHandlePtr() const {
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return mWlanOpenHandlePtr;
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}
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decltype(::WlanRegisterNotification)*
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WinWLANLibrary::GetWlanRegisterNotificationPtr() const {
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return mWlanRegisterNotificationPtr;
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}
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decltype(::WlanScan)* WinWLANLibrary::GetWlanScanPtr() const {
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return mWlanScanPtr;
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}
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bool WinWLANLibrary::Initialize() {
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mWlanLibrary = LoadLibrary("Wlanapi.dll");
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if (!mWlanLibrary) {
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return false;
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}
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mWlanOpenHandlePtr = (decltype(::WlanOpenHandle)*)GetProcAddress(
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mWlanLibrary, "WlanOpenHandle");
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mWlanEnumInterfacesPtr = (decltype(::WlanEnumInterfaces)*)GetProcAddress(
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mWlanLibrary, "WlanEnumInterfaces");
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mWlanRegisterNotificationPtr =
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(decltype(::WlanRegisterNotification)*)GetProcAddress(
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mWlanLibrary, "WlanRegisterNotification");
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mWlanScanPtr =
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(decltype(::WlanScan)*)GetProcAddress(mWlanLibrary, "WlanScan");
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mWlanFreeMemoryPtr = (decltype(::WlanFreeMemory)*)GetProcAddress(
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mWlanLibrary, "WlanFreeMemory");
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mWlanCloseHandlePtr = (decltype(::WlanCloseHandle)*)GetProcAddress(
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mWlanLibrary, "WlanCloseHandle");
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mWlanGetNetworkBssListPtr =
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(decltype(::WlanGetNetworkBssList)*)GetProcAddress(
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mWlanLibrary, "WlanGetNetworkBssList");
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if (!mWlanOpenHandlePtr || !mWlanEnumInterfacesPtr ||
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!mWlanRegisterNotificationPtr || !mWlanGetNetworkBssListPtr ||
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!mWlanScanPtr || !mWlanFreeMemoryPtr || !mWlanCloseHandlePtr) {
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return false;
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}
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// Get the handle to the WLAN API.
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DWORD negotiated_version;
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// We could be executing on either Windows XP or Windows Vista, so use the
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// lower version of the client WLAN API. It seems that the negotiated version
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// is the Vista version irrespective of what we pass!
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static const int kXpWlanClientVersion = 1;
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if (ERROR_SUCCESS != (*mWlanOpenHandlePtr)(kXpWlanClientVersion, nullptr,
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&negotiated_version,
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&mWlanHandle)) {
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return false;
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}
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return true;
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}
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WinWLANLibrary::~WinWLANLibrary() {
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if (mWlanLibrary) {
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if (mWlanHandle) {
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(*mWlanCloseHandlePtr)(mWlanLibrary, mWlanHandle);
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mWlanHandle = nullptr;
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}
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::FreeLibrary(mWlanLibrary);
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mWlanLibrary = nullptr;
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}
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}
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