Kill the devcon.exe dependency by dynamically loading cfgmgr32, newdev, and setupapi and using these functions directly.
This commit is contained in:
Adam Ierymenko
parent
7cd3c419ee
commit
8169b35482
9 changed files with 442 additions and 244 deletions
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@ -32,6 +32,7 @@
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#include <WinSock2.h>
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#include <Windows.h>
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#include <tchar.h>
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#include <malloc.h>
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#include <winreg.h>
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#include <wchar.h>
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#include <ws2ipdef.h>
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@ -42,6 +43,9 @@
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#include <atlbase.h>
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#include <netlistmgr.h>
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#include <nldef.h>
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#include <SetupAPI.h>
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#include <newdev.h>
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#include <cfgmgr32.h>
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#include <iostream>
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#include <set>
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@ -55,15 +59,28 @@
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#include "..\windows\TapDriver6\tap-windows.h"
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// ff:ff:ff:ff:ff:ff with no ADI
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//static const ZeroTier::MulticastGroup _blindWildcardMulticastGroup(ZeroTier::MAC(0xff),0);
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// Create a fake unused default route to force detection of network type on networks without gateways
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#define ZT_WINDOWS_CREATE_FAKE_DEFAULT_ROUTE
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// Function signatures of dynamically loaded functions, from newdev.h, setupapi.h, and cfgmgr32.h
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typedef BOOL (WINAPI *UpdateDriverForPlugAndPlayDevicesA_t)(_In_opt_ HWND hwndParent,_In_ LPCSTR HardwareId,_In_ LPCSTR FullInfPath,_In_ DWORD InstallFlags,_Out_opt_ PBOOL bRebootRequired);
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typedef BOOL (WINAPI *SetupDiGetINFClassA_t)(_In_ PCSTR InfName,_Out_ LPGUID ClassGuid,_Out_writes_(ClassNameSize) PSTR ClassName,_In_ DWORD ClassNameSize,_Out_opt_ PDWORD RequiredSize);
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typedef HDEVINFO (WINAPI *SetupDiCreateDeviceInfoList_t)(_In_opt_ CONST GUID *ClassGuid,_In_opt_ HWND hwndParent);
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typedef BOOL (WINAPI *SetupDiCreateDeviceInfoA_t)(_In_ HDEVINFO DeviceInfoSet,_In_ PCSTR DeviceName,_In_ CONST GUID *ClassGuid,_In_opt_ PCSTR DeviceDescription,_In_opt_ HWND hwndParent,_In_ DWORD CreationFlags,_Out_opt_ PSP_DEVINFO_DATA DeviceInfoData);
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typedef BOOL (WINAPI *SetupDiSetDeviceRegistryPropertyA_t)(_In_ HDEVINFO DeviceInfoSet,_Inout_ PSP_DEVINFO_DATA DeviceInfoData,_In_ DWORD Property,_In_reads_bytes_opt_(PropertyBufferSize) CONST BYTE *PropertyBuffer,_In_ DWORD PropertyBufferSize);
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typedef BOOL (WINAPI *SetupDiCallClassInstaller_t)(_In_ DI_FUNCTION InstallFunction,_In_ HDEVINFO DeviceInfoSet,_In_opt_ PSP_DEVINFO_DATA DeviceInfoData);
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typedef BOOL (WINAPI *SetupDiDestroyDeviceInfoList_t)(_In_ HDEVINFO DeviceInfoSet);
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typedef HDEVINFO (WINAPI *SetupDiGetClassDevsExA_t)(_In_opt_ CONST GUID *ClassGuid,_In_opt_ PCSTR Enumerator,_In_opt_ HWND hwndParent,_In_ DWORD Flags,_In_opt_ HDEVINFO DeviceInfoSet,_In_opt_ PCSTR MachineName,_Reserved_ PVOID Reserved);
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typedef BOOL (WINAPI *SetupDiOpenDeviceInfoA_t)(_In_ HDEVINFO DeviceInfoSet,_In_ PCSTR DeviceInstanceId,_In_opt_ HWND hwndParent,_In_ DWORD OpenFlags,_Out_opt_ PSP_DEVINFO_DATA DeviceInfoData);
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typedef BOOL (WINAPI *SetupDiEnumDeviceInfo_t)(_In_ HDEVINFO DeviceInfoSet,_In_ DWORD MemberIndex,_Out_ PSP_DEVINFO_DATA DeviceInfoData);
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typedef BOOL (WINAPI *SetupDiSetClassInstallParamsA_t)(_In_ HDEVINFO DeviceInfoSet,_In_opt_ PSP_DEVINFO_DATA DeviceInfoData,_In_reads_bytes_opt_(ClassInstallParamsSize) PSP_CLASSINSTALL_HEADER ClassInstallParams,_In_ DWORD ClassInstallParamsSize);
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typedef CONFIGRET (WINAPI *CM_Get_Device_ID_ExA_t)(_In_ DEVINST dnDevInst,_Out_writes_(BufferLen) PSTR Buffer,_In_ ULONG BufferLen,_In_ ULONG ulFlags,_In_opt_ HMACHINE hMachine);
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namespace ZeroTier {
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namespace {
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// Static/singleton class that when initialized loads a bunch of environment information and a few dynamically loaded DLLs
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class WindowsEthernetTapEnv
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{
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public:
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@ -71,29 +88,349 @@ public:
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{
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#ifdef _WIN64
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is64Bit = TRUE;
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devcon = "\\devcon_x64.exe";
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tapDriverNdis5 = "\\tap-windows\\x64\\zttap200.inf";
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tapDriverNdis6 = "\\tap-windows\\x64\\zttap300.inf";
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tapDriverPath = "\\tap-windows\\x64\\zttap300.inf";
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#else
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is64Bit = FALSE;
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IsWow64Process(GetCurrentProcess(),&is64Bit);
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devcon = ((is64Bit == TRUE) ? "\\devcon_x64.exe" : "\\devcon_x86.exe");
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tapDriverNdis5 = ((is64Bit == TRUE) ? "\\tap-windows\\x64\\zttap200.inf" : "\\tap-windows\\x86\\zttap200.inf");
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tapDriverNdis6 = ((is64Bit == TRUE) ? "\\tap-windows\\x64\\zttap300.inf" : "\\tap-windows\\x86\\zttap300.inf");
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if (is64Bit) {
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fprintf(stderr,"FATAL: you must use the 64-bit ZeroTier One service on 64-bit Windows systems\r\n");
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_exit(1);
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}
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tapDriverPath = "\\tap-windows\\x86\\zttap300.inf";
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#endif
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tapDriverName = "zttap300";
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setupApiMod = LoadLibraryA("setupapi.dll");
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if (!setupApiMod) {
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fprintf(stderr,"FATAL: unable to dynamically load setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiGetINFClassA = (SetupDiGetINFClassA_t)GetProcAddress(setupApiMod,"SetupDiGetINFClassA"))) {
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fprintf(stderr,"FATAL: SetupDiGetINFClassA not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiCreateDeviceInfoList = (SetupDiCreateDeviceInfoList_t)GetProcAddress(setupApiMod,"SetupDiCreateDeviceInfoList"))) {
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fprintf(stderr,"FATAL: SetupDiCreateDeviceInfoList not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiCreateDeviceInfoA = (SetupDiCreateDeviceInfoA_t)GetProcAddress(setupApiMod,"SetupDiCreateDeviceInfoA"))) {
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fprintf(stderr,"FATAL: SetupDiCreateDeviceInfoA not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiSetDeviceRegistryPropertyA = (SetupDiSetDeviceRegistryPropertyA_t)GetProcAddress(setupApiMod,"SetupDiSetDeviceRegistryPropertyA"))) {
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fprintf(stderr,"FATAL: SetupDiSetDeviceRegistryPropertyA not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiCallClassInstaller = (SetupDiCallClassInstaller_t)GetProcAddress(setupApiMod,"SetupDiCallClassInstaller"))) {
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fprintf(stderr,"FATAL: SetupDiCallClassInstaller not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiDestroyDeviceInfoList = (SetupDiDestroyDeviceInfoList_t)GetProcAddress(setupApiMod,"SetupDiDestroyDeviceInfoList"))) {
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fprintf(stderr,"FATAL: SetupDiDestroyDeviceInfoList not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiGetClassDevsExA = (SetupDiGetClassDevsExA_t)GetProcAddress(setupApiMod,"SetupDiGetClassDevsExA"))) {
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fprintf(stderr,"FATAL: SetupDiGetClassDevsExA not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiOpenDeviceInfoA = (SetupDiOpenDeviceInfoA_t)GetProcAddress(setupApiMod,"SetupDiOpenDeviceInfoA"))) {
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fprintf(stderr,"FATAL: SetupDiOpenDeviceInfoA not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiEnumDeviceInfo = (SetupDiEnumDeviceInfo_t)GetProcAddress(setupApiMod,"SetupDiEnumDeviceInfo"))) {
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fprintf(stderr,"FATAL: SetupDiEnumDeviceInfo not found in setupapi.dll\r\n");
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_exit(1);
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}
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if (!(this->SetupDiSetClassInstallParamsA = (SetupDiSetClassInstallParamsA_t)GetProcAddress(setupApiMod,"SetupDiSetClassInstallParamsA"))) {
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fprintf(stderr,"FATAL: SetupDiSetClassInstallParamsA not found in setupapi.dll\r\n");
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_exit(1);
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}
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newDevMod = LoadLibraryA("newdev.dll");
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if (!newDevMod) {
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fprintf(stderr,"FATAL: unable to dynamically load newdev.dll\r\n");
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_exit(1);
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}
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if (!(this->UpdateDriverForPlugAndPlayDevicesA = (UpdateDriverForPlugAndPlayDevicesA_t)GetProcAddress(newDevMod,"UpdateDriverForPlugAndPlayDevicesA"))) {
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fprintf(stderr,"FATAL: UpdateDriverForPlugAndPlayDevicesA not found in newdev.dll\r\n");
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_exit(1);
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}
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cfgMgrMod = LoadLibraryA("cfgmgr32.dll");
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if (!cfgMgrMod) {
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fprintf(stderr,"FATAL: unable to dynamically load cfgmgr32.dll\r\n");
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_exit(1);
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}
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if (!(this->CM_Get_Device_ID_ExA = (CM_Get_Device_ID_ExA_t)GetProcAddress(cfgMgrMod,"CM_Get_Device_ID_ExA"))) {
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fprintf(stderr,"FATAL: CM_Get_Device_ID_ExA not found in cfgmgr32.dll\r\n");
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_exit(1);
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}
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}
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BOOL is64Bit;
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const char *devcon;
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const char *tapDriverNdis5;
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const char *tapDriverNdis6;
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BOOL is64Bit; // is the system 64-bit, regardless of whether this binary is or not
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std::string tapDriverPath;
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std::string tapDriverName;
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UpdateDriverForPlugAndPlayDevicesA_t UpdateDriverForPlugAndPlayDevicesA;
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SetupDiGetINFClassA_t SetupDiGetINFClassA;
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SetupDiCreateDeviceInfoList_t SetupDiCreateDeviceInfoList;
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SetupDiCreateDeviceInfoA_t SetupDiCreateDeviceInfoA;
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SetupDiSetDeviceRegistryPropertyA_t SetupDiSetDeviceRegistryPropertyA;
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SetupDiCallClassInstaller_t SetupDiCallClassInstaller;
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SetupDiDestroyDeviceInfoList_t SetupDiDestroyDeviceInfoList;
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SetupDiGetClassDevsExA_t SetupDiGetClassDevsExA;
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SetupDiOpenDeviceInfoA_t SetupDiOpenDeviceInfoA;
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SetupDiEnumDeviceInfo_t SetupDiEnumDeviceInfo;
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SetupDiSetClassInstallParamsA_t SetupDiSetClassInstallParamsA;
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CM_Get_Device_ID_ExA_t CM_Get_Device_ID_ExA;
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private:
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HMODULE setupApiMod;
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HMODULE newDevMod;
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HMODULE cfgMgrMod;
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};
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static const WindowsEthernetTapEnv WINENV;
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// Only create or delete devices one at a time
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static Mutex _systemTapInitLock;
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// Only perform installation or uninstallation options one at a time
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static Mutex _systemDeviceManagementLock;
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} // anonymous namespace
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std::string WindowsEthernetTap::addNewPersistentTapDevice(const char *pathToInf)
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{
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Mutex::Lock _l(_systemDeviceManagementLock);
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GUID classGuid;
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char className[4096];
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if (!WINENV.SetupDiGetINFClassA(pathToInf,&classGuid,className,sizeof(className),(PDWORD)0)) {
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return std::string("SetupDiGetINFClassA() failed -- unable to read zttap driver INF file");
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}
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HDEVINFO deviceInfoSet = WINENV.SetupDiCreateDeviceInfoList(&classGuid,(HWND)0);
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if (deviceInfoSet == INVALID_HANDLE_VALUE) {
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return std::string("SetupDiCreateDeviceInfoList() failed");
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}
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SP_DEVINFO_DATA deviceInfoData;
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memset(&deviceInfoData,0,sizeof(deviceInfoData));
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deviceInfoData.cbSize = sizeof(deviceInfoData);
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if (!WINENV.SetupDiCreateDeviceInfoA(deviceInfoSet,className,&classGuid,(PCSTR)0,(HWND)0,DICD_GENERATE_ID,&deviceInfoData)) {
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WINENV.SetupDiDestroyDeviceInfoList(deviceInfoSet);
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return std::string("SetupDiCreateDeviceInfoA() failed");
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}
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if (!WINENV.SetupDiSetDeviceRegistryPropertyA(deviceInfoSet,&deviceInfoData,SPDRP_HARDWAREID,(const BYTE *)WINENV.tapDriverName.c_str(),(DWORD)(WINENV.tapDriverName.length() + 1))) {
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WINENV.SetupDiDestroyDeviceInfoList(deviceInfoSet);
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return std::string("SetupDiSetDeviceRegistryPropertyA() failed");
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}
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if (!WINENV.SetupDiCallClassInstaller(DIF_REGISTERDEVICE,deviceInfoSet,&deviceInfoData)) {
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WINENV.SetupDiDestroyDeviceInfoList(deviceInfoSet);
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return std::string("SetupDiCallClassInstaller(DIF_REGISTERDEVICE) failed");
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}
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BOOL rebootRequired = FALSE;
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if (!WINENV.UpdateDriverForPlugAndPlayDevicesA((HWND)0,WINENV.tapDriverName.c_str(),pathToInf,INSTALLFLAG_FORCE|INSTALLFLAG_NONINTERACTIVE,&rebootRequired)) {
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WINENV.SetupDiDestroyDeviceInfoList(deviceInfoSet);
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return std::string("UpdateDriverForPlugAndPlayDevices() failed -- unable to install driver on device");
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}
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WINENV.SetupDiDestroyDeviceInfoList(deviceInfoSet);
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return std::string();
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}
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std::string WindowsEthernetTap::destroyAllLegacyPersistentTapDevices()
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{
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char subkeyName[4096];
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char subkeyClass[4096];
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char data[4096];
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std::set<std::string> instanceIdPathsToRemove;
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{
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HKEY nwAdapters;
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if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,"SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}",0,KEY_READ|KEY_WRITE,&nwAdapters) != ERROR_SUCCESS)
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return std::string("Could not open registry key");
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for(DWORD subkeyIndex=0;;++subkeyIndex) {
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DWORD type;
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DWORD dataLen;
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DWORD subkeyNameLen = sizeof(subkeyName);
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DWORD subkeyClassLen = sizeof(subkeyClass);
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FILETIME lastWriteTime;
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if (RegEnumKeyExA(nwAdapters,subkeyIndex,subkeyName,&subkeyNameLen,(DWORD *)0,subkeyClass,&subkeyClassLen,&lastWriteTime) == ERROR_SUCCESS) {
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type = 0;
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dataLen = sizeof(data);
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if (RegGetValueA(nwAdapters,subkeyName,"ComponentId",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS) {
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data[dataLen] = '\0';
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if ((!strnicmp(data,"zttap",5))&&(WINENV.tapDriverName != data)) {
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std::string instanceIdPath;
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type = 0;
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dataLen = sizeof(data);
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if (RegGetValueA(nwAdapters,subkeyName,"DeviceInstanceID",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS)
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instanceIdPath.assign(data,dataLen);
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if (instanceIdPath.length() != 0)
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instanceIdPathsToRemove.insert(instanceIdPath);
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}
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}
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} else break; // end of list or failure
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}
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RegCloseKey(nwAdapters);
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}
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for(std::set<std::string>::iterator iidp(instanceIdPathsToRemove.begin());iidp!=instanceIdPathsToRemove.end();++iidp) {
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std::string err = deletePersistentTapDevice(iidp->c_str());
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if (err.length() > 0)
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return err;
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}
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return std::string();
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}
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std::string WindowsEthernetTap::destroyAllPersistentTapDevices()
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{
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char subkeyName[4096];
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char subkeyClass[4096];
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char data[4096];
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std::set<std::string> instanceIdPathsToRemove;
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{
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HKEY nwAdapters;
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if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,"SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}",0,KEY_READ|KEY_WRITE,&nwAdapters) != ERROR_SUCCESS)
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return std::string("Could not open registry key");
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for(DWORD subkeyIndex=0;;++subkeyIndex) {
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DWORD type;
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DWORD dataLen;
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DWORD subkeyNameLen = sizeof(subkeyName);
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DWORD subkeyClassLen = sizeof(subkeyClass);
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FILETIME lastWriteTime;
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if (RegEnumKeyExA(nwAdapters,subkeyIndex,subkeyName,&subkeyNameLen,(DWORD *)0,subkeyClass,&subkeyClassLen,&lastWriteTime) == ERROR_SUCCESS) {
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type = 0;
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dataLen = sizeof(data);
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if (RegGetValueA(nwAdapters,subkeyName,"ComponentId",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS) {
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data[dataLen] = '\0';
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if (!strnicmp(data,"zttap",5)) {
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std::string instanceIdPath;
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type = 0;
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dataLen = sizeof(data);
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if (RegGetValueA(nwAdapters,subkeyName,"DeviceInstanceID",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS)
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instanceIdPath.assign(data,dataLen);
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if (instanceIdPath.length() != 0)
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instanceIdPathsToRemove.insert(instanceIdPath);
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}
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}
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} else break; // end of list or failure
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}
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RegCloseKey(nwAdapters);
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}
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for(std::set<std::string>::iterator iidp(instanceIdPathsToRemove.begin());iidp!=instanceIdPathsToRemove.end();++iidp) {
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std::string err = deletePersistentTapDevice(iidp->c_str());
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if (err.length() > 0)
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return err;
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}
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return std::string();
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}
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std::string WindowsEthernetTap::deletePersistentTapDevice(const char *instanceId)
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{
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char iid[256];
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SP_REMOVEDEVICE_PARAMS rmdParams;
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memset(&rmdParams,0,sizeof(rmdParams));
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rmdParams.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
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rmdParams.ClassInstallHeader.InstallFunction = DIF_REMOVE;
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rmdParams.Scope = DI_REMOVEDEVICE_GLOBAL;
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rmdParams.HwProfile = 0;
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Mutex::Lock _l(_systemDeviceManagementLock);
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HDEVINFO devInfo = WINENV.SetupDiGetClassDevsExA((const GUID *)0,(PCSTR)0,(HWND)0,DIGCF_ALLCLASSES,(HDEVINFO)0,(PCSTR)0,(PVOID)0);
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if (devInfo == INVALID_HANDLE_VALUE)
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return std::string("SetupDiGetClassDevsExA() failed");
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WINENV.SetupDiOpenDeviceInfoA(devInfo,instanceId,(HWND)0,0,(PSP_DEVINFO_DATA)0);
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SP_DEVINFO_DATA devInfoData;
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memset(&devInfoData,0,sizeof(devInfoData));
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devInfoData.cbSize = sizeof(devInfoData);
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for(DWORD devIndex=0;WINENV.SetupDiEnumDeviceInfo(devInfo,devIndex,&devInfoData);devIndex++) {
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if ((WINENV.CM_Get_Device_ID_ExA(devInfoData.DevInst,iid,sizeof(iid),0,(HMACHINE)0) == CR_SUCCESS)&&(!strcmp(iid,instanceId))) {
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if (!WINENV.SetupDiSetClassInstallParamsA(devInfo,&devInfoData,&rmdParams.ClassInstallHeader,sizeof(rmdParams))) {
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WINENV.SetupDiDestroyDeviceInfoList(devInfo);
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return std::string("SetupDiSetClassInstallParams() failed");
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}
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if (!WINENV.SetupDiCallClassInstaller(DIF_REMOVE,devInfo,&devInfoData)) {
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WINENV.SetupDiDestroyDeviceInfoList(devInfo);
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return std::string("SetupDiCallClassInstaller(DIF_REMOVE) failed");
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}
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WINENV.SetupDiDestroyDeviceInfoList(devInfo);
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return std::string();
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}
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}
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WINENV.SetupDiDestroyDeviceInfoList(devInfo);
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return std::string("instance ID not found");
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}
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bool WindowsEthernetTap::setPersistentTapDeviceState(const char *instanceId,bool enabled)
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{
|
||||
char iid[256];
|
||||
SP_PROPCHANGE_PARAMS params;
|
||||
|
||||
Mutex::Lock _l(_systemDeviceManagementLock);
|
||||
|
||||
HDEVINFO devInfo = WINENV.SetupDiGetClassDevsExA((const GUID *)0,(PCSTR)0,(HWND)0,DIGCF_ALLCLASSES,(HDEVINFO)0,(PCSTR)0,(PVOID)0);
|
||||
if (devInfo == INVALID_HANDLE_VALUE)
|
||||
return false;
|
||||
WINENV.SetupDiOpenDeviceInfoA(devInfo,instanceId,(HWND)0,0,(PSP_DEVINFO_DATA)0);
|
||||
|
||||
SP_DEVINFO_DATA devInfoData;
|
||||
memset(&devInfoData,0,sizeof(devInfoData));
|
||||
devInfoData.cbSize = sizeof(devInfoData);
|
||||
for(DWORD devIndex=0;WINENV.SetupDiEnumDeviceInfo(devInfo,devIndex,&devInfoData);devIndex++) {
|
||||
if ((WINENV.CM_Get_Device_ID_ExA(devInfoData.DevInst,iid,sizeof(iid),0,(HMACHINE)0) == CR_SUCCESS)&&(!strcmp(iid,instanceId))) {
|
||||
memset(¶ms,0,sizeof(params));
|
||||
params.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
|
||||
params.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
|
||||
params.StateChange = enabled ? DICS_ENABLE : DICS_DISABLE;
|
||||
params.Scope = DICS_FLAG_GLOBAL;
|
||||
params.HwProfile = 0;
|
||||
|
||||
WINENV.SetupDiSetClassInstallParamsA(devInfo,&devInfoData,¶ms.ClassInstallHeader,sizeof(params));
|
||||
WINENV.SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,devInfo,&devInfoData);
|
||||
|
||||
memset(¶ms,0,sizeof(params));
|
||||
params.ClassInstallHeader.cbSize = sizeof(SP_CLASSINSTALL_HEADER);
|
||||
params.ClassInstallHeader.InstallFunction = DIF_PROPERTYCHANGE;
|
||||
params.StateChange = enabled ? DICS_ENABLE : DICS_DISABLE;
|
||||
params.Scope = DICS_FLAG_CONFIGSPECIFIC;
|
||||
params.HwProfile = 0;
|
||||
|
||||
WINENV.SetupDiSetClassInstallParamsA(devInfo,&devInfoData,¶ms.ClassInstallHeader,sizeof(params));
|
||||
WINENV.SetupDiCallClassInstaller(DIF_PROPERTYCHANGE,devInfo,&devInfoData);
|
||||
|
||||
WINENV.SetupDiDestroyDeviceInfoList(devInfo);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
WINENV.SetupDiDestroyDeviceInfoList(devInfo);
|
||||
return false;
|
||||
}
|
||||
|
||||
WindowsEthernetTap::WindowsEthernetTap(
|
||||
const char *hp,
|
||||
const MAC &mac,
|
||||
|
|
@ -118,35 +455,21 @@ WindowsEthernetTap::WindowsEthernetTap(
|
|||
char subkeyClass[4096];
|
||||
char data[4096];
|
||||
char tag[24];
|
||||
std::set<std::string> existingDeviceInstances;
|
||||
std::string mySubkeyName;
|
||||
|
||||
if (mtu > 2800)
|
||||
throw std::runtime_error("MTU too large for Windows tap");
|
||||
|
||||
Mutex::Lock _l(_systemTapInitLock);
|
||||
// We "tag" registry entries with the network ID to identify persistent devices
|
||||
Utils::snprintf(tag,sizeof(tag),"%.16llx",(unsigned long long)nwid);
|
||||
|
||||
// Use NDIS5 if it's installed, since we don't want to switch out the driver on
|
||||
// pre-existing installs (yet). We won't ship NDIS5 anymore so new installs will
|
||||
// use NDIS6.
|
||||
std::string tapDriverPath(_pathToHelpers + WINENV.tapDriverNdis5);
|
||||
const char *tapDriverName = "zttap200";
|
||||
if (::PathFileExistsA(tapDriverPath.c_str()) == FALSE) {
|
||||
tapDriverPath = _pathToHelpers + WINENV.tapDriverNdis6;
|
||||
tapDriverName = "zttap300";
|
||||
if (::PathFileExistsA(tapDriverPath.c_str()) == FALSE) {
|
||||
throw std::runtime_error("no tap driver available: cannot find zttap300.inf (NDIS6) or zttap200.inf (NDIS5) under home path");
|
||||
}
|
||||
}
|
||||
Mutex::Lock _l(_systemTapInitLock);
|
||||
|
||||
HKEY nwAdapters;
|
||||
if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,"SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}",0,KEY_READ|KEY_WRITE,&nwAdapters) != ERROR_SUCCESS)
|
||||
throw std::runtime_error("unable to open registry key for network adapter enumeration");
|
||||
|
||||
std::set<std::string> existingDeviceInstances;
|
||||
std::string mySubkeyName;
|
||||
|
||||
// We "tag" registry entries with the network ID to identify persistent devices
|
||||
Utils::snprintf(tag,sizeof(tag),"%.16llx",(unsigned long long)nwid);
|
||||
|
||||
// Look for the tap instance that corresponds with this network
|
||||
for(DWORD subkeyIndex=0;;++subkeyIndex) {
|
||||
DWORD type;
|
||||
|
|
@ -158,8 +481,9 @@ WindowsEthernetTap::WindowsEthernetTap(
|
|||
type = 0;
|
||||
dataLen = sizeof(data);
|
||||
if (RegGetValueA(nwAdapters,subkeyName,"ComponentId",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS) {
|
||||
data[dataLen] = '\0';
|
||||
if (!strnicmp(data,"zttap",5)) {
|
||||
data[dataLen] = (char)0;
|
||||
|
||||
if (WINENV.tapDriverName == data) {
|
||||
std::string instanceId;
|
||||
type = 0;
|
||||
dataLen = sizeof(data);
|
||||
|
|
@ -196,34 +520,9 @@ WindowsEthernetTap::WindowsEthernetTap(
|
|||
// If there is no device, try to create one
|
||||
bool creatingNewDevice = (_netCfgInstanceId.length() == 0);
|
||||
if (creatingNewDevice) {
|
||||
// Log devcon output to a file
|
||||
HANDLE devconLog = CreateFileA((_pathToHelpers + "\\devcon.log").c_str(),GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
SetFilePointer(devconLog,0,0,FILE_END);
|
||||
|
||||
// Execute devcon to create a new tap device
|
||||
STARTUPINFOA startupInfo;
|
||||
startupInfo.cb = sizeof(startupInfo);
|
||||
if (devconLog != INVALID_HANDLE_VALUE) {
|
||||
SetFilePointer(devconLog,0,0,FILE_END);
|
||||
startupInfo.hStdOutput = devconLog;
|
||||
startupInfo.hStdError = devconLog;
|
||||
}
|
||||
PROCESS_INFORMATION processInfo;
|
||||
memset(&startupInfo,0,sizeof(STARTUPINFOA));
|
||||
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
|
||||
if (!CreateProcessA(NULL,(LPSTR)(std::string("\"") + _pathToHelpers + WINENV.devcon + "\" install \"" + tapDriverPath + "\" " + tapDriverName).c_str(),NULL,NULL,FALSE,0,NULL,NULL,&startupInfo,&processInfo)) {
|
||||
RegCloseKey(nwAdapters);
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(devconLog);
|
||||
throw std::runtime_error(std::string("unable to find or execute devcon at ") + WINENV.devcon);
|
||||
}
|
||||
WaitForSingleObject(processInfo.hProcess,INFINITE);
|
||||
CloseHandle(processInfo.hProcess);
|
||||
CloseHandle(processInfo.hThread);
|
||||
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(devconLog);
|
||||
std::string errm = addNewPersistentTapDevice((std::string(_pathToHelpers) + WINENV.tapDriverPath).c_str());
|
||||
if (errm.length() != 0)
|
||||
throw std::runtime_error(errm);
|
||||
|
||||
// Scan for the new instance by simply looking for taps that weren't originally there...
|
||||
for(DWORD subkeyIndex=0;;++subkeyIndex) {
|
||||
|
|
@ -237,7 +536,8 @@ WindowsEthernetTap::WindowsEthernetTap(
|
|||
dataLen = sizeof(data);
|
||||
if (RegGetValueA(nwAdapters,subkeyName,"ComponentId",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS) {
|
||||
data[dataLen] = '\0';
|
||||
if (!strnicmp(data,"zttap",5)) {
|
||||
|
||||
if (WINENV.tapDriverName == data) {
|
||||
type = 0;
|
||||
dataLen = sizeof(data);
|
||||
if (RegGetValueA(nwAdapters,subkeyName,"NetCfgInstanceId",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS) {
|
||||
|
|
@ -281,6 +581,7 @@ WindowsEthernetTap::WindowsEthernetTap(
|
|||
RegSetKeyValueA(nwAdapters,mySubkeyName.c_str(),"*IfType",REG_DWORD,(LPCVOID)&tmp,sizeof(tmp));
|
||||
|
||||
if (creatingNewDevice) {
|
||||
// Set EnableDHCP to 0 by default on new devices
|
||||
tmp = 0;
|
||||
RegSetKeyValueA(nwAdapters,mySubkeyName.c_str(),"EnableDHCP",REG_DWORD,(LPCVOID)&tmp,sizeof(tmp));
|
||||
}
|
||||
|
|
@ -291,7 +592,7 @@ WindowsEthernetTap::WindowsEthernetTap(
|
|||
}
|
||||
|
||||
{
|
||||
char nobraces[128];
|
||||
char nobraces[128]; // strip braces from GUID before converting it, because Windows
|
||||
const char *nbtmp1 = _netCfgInstanceId.c_str();
|
||||
char *nbtmp2 = nobraces;
|
||||
while (*nbtmp1) {
|
||||
|
|
@ -304,17 +605,15 @@ WindowsEthernetTap::WindowsEthernetTap(
|
|||
throw std::runtime_error("unable to convert instance ID GUID to native GUID (invalid NetCfgInstanceId in registry?)");
|
||||
}
|
||||
|
||||
// Look up interface LUID... why are there (at least) four fucking ways to refer to a network device in Windows?
|
||||
// Get the LUID, which is one of like four fucking ways to refer to a network device in Windows
|
||||
if (ConvertInterfaceGuidToLuid(&_deviceGuid,&_deviceLuid) != NO_ERROR)
|
||||
throw std::runtime_error("unable to convert device interface GUID to LUID");
|
||||
|
||||
// Certain functions can now work (e.g. ips())
|
||||
_initialized = true;
|
||||
|
||||
if (friendlyName)
|
||||
setFriendlyName(friendlyName);
|
||||
|
||||
// Start background thread that actually performs I/O
|
||||
_injectSemaphore = CreateSemaphore(NULL,0,1,NULL);
|
||||
_thread = Thread::start(this);
|
||||
}
|
||||
|
|
@ -325,7 +624,7 @@ WindowsEthernetTap::~WindowsEthernetTap()
|
|||
ReleaseSemaphore(_injectSemaphore,1,NULL);
|
||||
Thread::join(_thread);
|
||||
CloseHandle(_injectSemaphore);
|
||||
_disableTapDevice();
|
||||
setPersistentTapDeviceState(_deviceInstanceId.c_str(),false);
|
||||
}
|
||||
|
||||
void WindowsEthernetTap::setEnabled(bool en)
|
||||
|
|
@ -572,14 +871,15 @@ void WindowsEthernetTap::threadMain()
|
|||
|
||||
try {
|
||||
while (_run) {
|
||||
_enableTapDevice();
|
||||
setPersistentTapDeviceState(_deviceInstanceId.c_str(),true);
|
||||
Sleep(500);
|
||||
|
||||
_tap = CreateFileA(tapPath,GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_SYSTEM|FILE_FLAG_OVERLAPPED,NULL);
|
||||
if (_tap == INVALID_HANDLE_VALUE) {
|
||||
_disableTapDevice();
|
||||
_enableTapDevice();
|
||||
Sleep(1000);
|
||||
setPersistentTapDeviceState(_deviceInstanceId.c_str(),false);
|
||||
Sleep(500);
|
||||
setPersistentTapDeviceState(_deviceInstanceId.c_str(),true);
|
||||
Sleep(500);
|
||||
continue;
|
||||
}
|
||||
|
||||
|
|
@ -761,131 +1061,6 @@ void WindowsEthernetTap::threadMain()
|
|||
} catch ( ... ) {} // catch unexpected exceptions -- this should not happen but would prevent program crash or other weird issues since threads should not throw
|
||||
}
|
||||
|
||||
void WindowsEthernetTap::destroyAllPersistentTapDevices(const char *pathToHelpers)
|
||||
{
|
||||
char subkeyName[4096];
|
||||
char subkeyClass[4096];
|
||||
char data[4096];
|
||||
|
||||
std::set<std::string> instanceIdPathsToRemove;
|
||||
{
|
||||
HKEY nwAdapters;
|
||||
if (RegOpenKeyExA(HKEY_LOCAL_MACHINE,"SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}",0,KEY_READ|KEY_WRITE,&nwAdapters) != ERROR_SUCCESS)
|
||||
return;
|
||||
|
||||
for(DWORD subkeyIndex=0;;++subkeyIndex) {
|
||||
DWORD type;
|
||||
DWORD dataLen;
|
||||
DWORD subkeyNameLen = sizeof(subkeyName);
|
||||
DWORD subkeyClassLen = sizeof(subkeyClass);
|
||||
FILETIME lastWriteTime;
|
||||
if (RegEnumKeyExA(nwAdapters,subkeyIndex,subkeyName,&subkeyNameLen,(DWORD *)0,subkeyClass,&subkeyClassLen,&lastWriteTime) == ERROR_SUCCESS) {
|
||||
type = 0;
|
||||
dataLen = sizeof(data);
|
||||
if (RegGetValueA(nwAdapters,subkeyName,"ComponentId",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS) {
|
||||
data[dataLen] = '\0';
|
||||
if (!strnicmp(data,"zttap",5)) {
|
||||
std::string instanceIdPath;
|
||||
type = 0;
|
||||
dataLen = sizeof(data);
|
||||
if (RegGetValueA(nwAdapters,subkeyName,"DeviceInstanceID",RRF_RT_ANY,&type,(PVOID)data,&dataLen) == ERROR_SUCCESS)
|
||||
instanceIdPath.assign(data,dataLen);
|
||||
if (instanceIdPath.length() != 0)
|
||||
instanceIdPathsToRemove.insert(instanceIdPath);
|
||||
}
|
||||
}
|
||||
} else break; // end of list or failure
|
||||
}
|
||||
|
||||
RegCloseKey(nwAdapters);
|
||||
}
|
||||
|
||||
for(std::set<std::string>::iterator iidp(instanceIdPathsToRemove.begin());iidp!=instanceIdPathsToRemove.end();++iidp)
|
||||
deletePersistentTapDevice(pathToHelpers,iidp->c_str());
|
||||
}
|
||||
|
||||
void WindowsEthernetTap::deletePersistentTapDevice(const char *pathToHelpers,const char *instanceId)
|
||||
{
|
||||
HANDLE devconLog = CreateFileA((std::string(pathToHelpers) + "\\devcon.log").c_str(),GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
|
||||
STARTUPINFOA startupInfo;
|
||||
startupInfo.cb = sizeof(startupInfo);
|
||||
if (devconLog != INVALID_HANDLE_VALUE) {
|
||||
SetFilePointer(devconLog,0,0,FILE_END);
|
||||
startupInfo.hStdOutput = devconLog;
|
||||
startupInfo.hStdError = devconLog;
|
||||
}
|
||||
PROCESS_INFORMATION processInfo;
|
||||
memset(&startupInfo,0,sizeof(STARTUPINFOA));
|
||||
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
|
||||
if (CreateProcessA(NULL,(LPSTR)(std::string("\"") + pathToHelpers + WINENV.devcon + "\" remove @" + instanceId).c_str(),NULL,NULL,FALSE,0,NULL,NULL,&startupInfo,&processInfo)) {
|
||||
WaitForSingleObject(processInfo.hProcess,INFINITE);
|
||||
CloseHandle(processInfo.hProcess);
|
||||
CloseHandle(processInfo.hThread);
|
||||
}
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(devconLog);
|
||||
}
|
||||
|
||||
bool WindowsEthernetTap::_disableTapDevice()
|
||||
{
|
||||
HANDLE devconLog = CreateFileA((_pathToHelpers + "\\devcon.log").c_str(),GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
SetFilePointer(devconLog,0,0,FILE_END);
|
||||
|
||||
STARTUPINFOA startupInfo;
|
||||
startupInfo.cb = sizeof(startupInfo);
|
||||
if (devconLog != INVALID_HANDLE_VALUE) {
|
||||
startupInfo.hStdOutput = devconLog;
|
||||
startupInfo.hStdError = devconLog;
|
||||
}
|
||||
PROCESS_INFORMATION processInfo;
|
||||
memset(&startupInfo,0,sizeof(STARTUPINFOA));
|
||||
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
|
||||
if (!CreateProcessA(NULL,(LPSTR)(std::string("\"") + _pathToHelpers + WINENV.devcon + "\" disable @" + _deviceInstanceId).c_str(),NULL,NULL,FALSE,0,NULL,NULL,&startupInfo,&processInfo)) {
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(devconLog);
|
||||
return false;
|
||||
}
|
||||
WaitForSingleObject(processInfo.hProcess,INFINITE);
|
||||
CloseHandle(processInfo.hProcess);
|
||||
CloseHandle(processInfo.hThread);
|
||||
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(devconLog);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool WindowsEthernetTap::_enableTapDevice()
|
||||
{
|
||||
HANDLE devconLog = CreateFileA((_pathToHelpers + "\\devcon.log").c_str(),GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
SetFilePointer(devconLog,0,0,FILE_END);
|
||||
|
||||
STARTUPINFOA startupInfo;
|
||||
startupInfo.cb = sizeof(startupInfo);
|
||||
if (devconLog != INVALID_HANDLE_VALUE) {
|
||||
startupInfo.hStdOutput = devconLog;
|
||||
startupInfo.hStdError = devconLog;
|
||||
}
|
||||
PROCESS_INFORMATION processInfo;
|
||||
memset(&startupInfo,0,sizeof(STARTUPINFOA));
|
||||
memset(&processInfo,0,sizeof(PROCESS_INFORMATION));
|
||||
if (!CreateProcessA(NULL,(LPSTR)(std::string("\"") + _pathToHelpers + WINENV.devcon + "\" enable @" + _deviceInstanceId).c_str(),NULL,NULL,FALSE,0,NULL,NULL,&startupInfo,&processInfo)) {
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(devconLog);
|
||||
return false;
|
||||
}
|
||||
WaitForSingleObject(processInfo.hProcess,INFINITE);
|
||||
CloseHandle(processInfo.hProcess);
|
||||
CloseHandle(processInfo.hThread);
|
||||
|
||||
if (devconLog != INVALID_HANDLE_VALUE)
|
||||
CloseHandle(devconLog);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
NET_IFINDEX WindowsEthernetTap::_getDeviceIndex()
|
||||
{
|
||||
MIB_IF_TABLE2 *ift = (MIB_IF_TABLE2 *)0;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue