Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / _RegBlobWebProxyDataBuilder.cs / 1305376 / _RegBlobWebProxyDataBuilder.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net { using System; using System.Security.Permissions; using System.Globalization; using System.Text; using System.Collections; using System.Collections.Specialized; using System.Net.Sockets; using System.Threading; using System.Runtime.InteropServices; #if USE_WINIET_AUTODETECT_CACHE #if !FEATURE_PAL using FILETIME = System.Runtime.InteropServices.ComTypes.FILETIME; #endif // !FEATURE_PAL #endif using Microsoft.Win32; using System.Runtime.Versioning; using System.Diagnostics; internal class RegBlobWebProxyDataBuilder : WebProxyDataBuilder { #if !FEATURE_PAL // // Allows us to grob through the registry and read the // IE binary format, note that this should be replaced, // by code that calls Wininet directly, but it can be // expensive to load wininet, in order to do this. // [Flags] private enum ProxyTypeFlags { PROXY_TYPE_DIRECT = 0x00000001, // direct to net PROXY_TYPE_PROXY = 0x00000002, // via named proxy PROXY_TYPE_AUTO_PROXY_URL = 0x00000004, // autoproxy URL PROXY_TYPE_AUTO_DETECT = 0x00000008, // use autoproxy detection } internal const string PolicyKey = @"SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings"; internal const string ProxyKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections"; private const string DefaultConnectionSettings = "DefaultConnectionSettings"; private const string ProxySettingsPerUser = "ProxySettingsPerUser"; #if USE_WINIET_AUTODETECT_CACHE // Get the number of MilliSeconds in 7 days and then multiply by 10 because // FILETIME stores data stores time in 100-nanosecond intervals. // internal static UInt64 s_lkgScriptValidTime = (UInt64)(new TimeSpan(7, 0, 0, 0).Ticks); // 7 days #endif const int IE50StrucSize = 60; private byte[] m_RegistryBytes; private int m_ByteOffset; private string m_Connectoid; private SafeRegistryHandle m_Registry; public RegBlobWebProxyDataBuilder(string connectoid, SafeRegistryHandle registry) { Debug.Assert(registry != null); m_Registry = registry; m_Connectoid = connectoid; } // returns true - on successful read of proxy registry settings [RegistryPermission(SecurityAction.Assert, Read=@"HKEY_LOCAL_MACHINE\" + PolicyKey)] [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] private bool ReadRegSettings() { SafeRegistryHandle key = null; RegistryKey lmKey = null; try { bool isPerUser = true; lmKey = Registry.LocalMachine.OpenSubKey(PolicyKey); if (lmKey != null) { object perUser = lmKey.GetValue(ProxySettingsPerUser); if (perUser != null && perUser.GetType() == typeof(int) && 0 == (int) perUser) { isPerUser = false; } } uint errorCode; if (isPerUser) { if (m_Registry != null) { errorCode = m_Registry.RegOpenKeyEx(ProxyKey, 0, UnsafeNclNativeMethods.RegistryHelper.KEY_READ, out key); } else { errorCode = UnsafeNclNativeMethods.ErrorCodes.ERROR_NOT_FOUND; } } else { errorCode = SafeRegistryHandle.RegOpenKeyEx(UnsafeNclNativeMethods.RegistryHelper.HKEY_LOCAL_MACHINE, ProxyKey, 0, UnsafeNclNativeMethods.RegistryHelper.KEY_READ, out key); } if (errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS) { key = null; } if (key != null) { // When reading settings from the registry, if connectoid key is missing, the connectoid // was never configured. In this case we have no settings (this is equivalent to always go direct). object data; errorCode = key.QueryValue(m_Connectoid != null ? m_Connectoid : DefaultConnectionSettings, out data); if (errorCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS) { m_RegistryBytes = (byte[]) data; } } } catch (Exception exception) { if (NclUtilities.IsFatal(exception)) throw; } finally { if (lmKey != null) lmKey.Close(); if(key != null) key.RegCloseKey(); } return m_RegistryBytes != null; } #if USE_WINIET_AUTODETECT_CACHE public FILETIME ReadFileTime() { FILETIME ft = new FILETIME(); ft.dwLowDateTime = ReadInt32(); ft.dwHighDateTime = ReadInt32(); return ft; } #endif // // Reads a string from the byte buffer, cached // inside this object, and then updates the // offset, NOTE: Must be in the correct offset // before reading, or will error // public string ReadString() { string stringOut = null; int stringSize = ReadInt32(); if (stringSize>0) { // prevent reading too much int actualSize = m_RegistryBytes.Length - m_ByteOffset; if (stringSize >= actualSize) { stringSize = actualSize; } stringOut = Encoding.UTF8.GetString(m_RegistryBytes, m_ByteOffset, stringSize); m_ByteOffset += stringSize; } return stringOut; } // // Reads a DWORD into a Int32, used to read // a int from the byte buffer. // internal unsafe int ReadInt32() { int intValue = 0; int actualSize = m_RegistryBytes.Length - m_ByteOffset; // copy bytes and increment offset if (actualSize>=sizeof(int)) { fixed (byte* pBuffer = m_RegistryBytes) { if (sizeof(IntPtr)==4) { intValue = *((int*)(pBuffer + m_ByteOffset)); } else { intValue = Marshal.ReadInt32((IntPtr)pBuffer, m_ByteOffset); } } m_ByteOffset += sizeof(int); } // tell caller what we actually read return intValue; } #else // !FEATURE_PAL private static string ReadConfigString(string ConfigName) { const int parameterValueLength = 255; StringBuilder parameterValue = new StringBuilder(parameterValueLength); bool rc = UnsafeNclNativeMethods.FetchConfigurationString(true, ConfigName, parameterValue, parameterValueLength); if (rc) { return parameterValue.ToString(); } return ""; } #endif // !FEATURE_PAL // // Updates an instance of WbeProxy with the proxy settings from IE for: // the current user and a given connectoid. // [ResourceExposure(ResourceScope.Machine)] // Check scoping on this SafeRegistryHandle [ResourceConsumption(ResourceScope.Machine)] protected override void BuildInternal() { GlobalLog.Enter("RegBlobWebProxyDataBuilder#" + ValidationHelper.HashString(this) + "::BuildInternal() m_Connectoid:" + ValidationHelper.ToString(m_Connectoid)); // DON'T TOUCH THE ORDERING OF THE CALLS TO THE INSTANCE OF ProxyRegBlob bool success = ReadRegSettings(); if (success) { success = ReadInt32() >= IE50StrucSize; } if (!success) { // if registry access fails rely on automatic detection SetAutoDetectSettings(true); return; } // read the rest of the items out ReadInt32(); // incremental version# of current settings (ignored) ProxyTypeFlags proxyFlags = (ProxyTypeFlags)ReadInt32(); // flags GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() proxyFlags:" + ValidationHelper.ToString(proxyFlags)); string addressString = ReadString(); // proxy name string proxyBypassString = ReadString(); // proxy bypass GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() proxyAddressString:" + ValidationHelper.ToString(addressString) + " proxyBypassString:" + ValidationHelper.ToString(proxyBypassString)); // // Once we verify that the flag for proxy is enabled, // Parse UriString that is stored, may be in the form, // of "http=http://http-proxy;ftp="ftp=http://..." must // handle this case along with just a URI. // if ((proxyFlags & ProxyTypeFlags.PROXY_TYPE_PROXY) != 0) { SetProxyAndBypassList(addressString, proxyBypassString); } #if !FEATURE_PAL SetAutoDetectSettings((proxyFlags & ProxyTypeFlags.PROXY_TYPE_AUTO_DETECT) != 0); string autoConfigUrlString = ReadString(); // autoconfig url GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() scriptLocation:" + ValidationHelper.ToString(addressString)); if ((proxyFlags & ProxyTypeFlags.PROXY_TYPE_AUTO_PROXY_URL) != 0) { SetAutoProxyUrl(autoConfigUrlString); } // The final straw against attempting to use the WinInet LKG script location was, it's invalid when IPs have changed even if the // connectoid hadn't. Doing that validation didn't seem worth it (error-prone, expensive, unsupported). #if USE_WINIET_AUTODETECT_CACHE proxyIE5Settings.ReadInt32(); // autodetect flags (ignored) // reuse addressString for lkgScriptLocationString addressString = proxyIE5Settings.ReadString(); // last known good auto-proxy url // read ftLastKnownDetectTime FILETIME ftLastKnownDetectTime = proxyIE5Settings.ReadFileTime(); // Verify if this lkgScriptLocationString has timed out // if (IsValidTimeForLkgScriptLocation(ftLastKnownDetectTime)) { // reuse address for lkgScriptLocation GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() lkgScriptLocation:" + ValidationHelper.ToString(addressString)); if (Uri.TryCreate(addressString, UriKind.Absolute, out address)) { webProxyData.lkgScriptLocation = address; } } else { #if TRAVE SYSTEMTIME st = new SYSTEMTIME(); bool f = SafeNclNativeMethods.FileTimeToSystemTime(ref ftLastKnownDetectTime, ref st); if (f) GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() ftLastKnownDetectTime:" + ValidationHelper.ToString(st)); #endif // TRAVE GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Ignoring Timed out lkgScriptLocation:" + ValidationHelper.ToString(addressString)); // Now rely on automatic detection settings set above // based on the proxy flags (webProxyData.automaticallyDetectSettings). // } #endif /* // This is some of the rest of the proxy reg key blob parsing. // // Read Inte---- IPs int iftCount = proxyIE5Settings.ReadInt32(); for (int ift = 0; ift < iftCount; ++ift) { proxyIE5Settings.ReadInt32(); } // Read lpszAutoconfigSecondaryUrl string autoconfigSecondaryUrl = proxyIE5Settings.ReadString(); // Read dwAutoconfigReloadDelayMins int autoconfigReloadDelayMins = proxyIE5Settings.ReadInt32(); */ #endif GlobalLog.Leave("RegBlobWebProxyDataBuilder#" + ValidationHelper.HashString(this) + "::BuildInternal()"); } #if USE_WINIET_AUTODETECT_CACHE #if !FEATURE_PAL internal unsafe static bool IsValidTimeForLkgScriptLocation(FILETIME ftLastKnownDetectTime) { // Get Current System Time. FILETIME ftCurrentTime = new FILETIME(); SafeNclNativeMethods.GetSystemTimeAsFileTime(ref ftCurrentTime); UInt64 ftDetect = (UInt64)ftLastKnownDetectTime.dwHighDateTime; ftDetect <<= (sizeof(int) * 8); ftDetect |= (UInt64)(uint)ftLastKnownDetectTime.dwLowDateTime; UInt64 ftCurrent = (UInt64)ftCurrentTime.dwHighDateTime; ftCurrent <<= (sizeof(int) * 8); ftCurrent |= (UInt64)(uint)ftCurrentTime.dwLowDateTime; GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Detect Time:" + ValidationHelper.ToString(ftDetect)); GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Current Time:" + ValidationHelper.ToString(ftCurrent)); GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() 7 days:" + ValidationHelper.ToString(s_lkgScriptValidTime)); GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Delta Time:" + ValidationHelper.ToString((UInt64)(ftCurrent - ftDetect))); return (ftCurrent - ftDetect) < s_lkgScriptValidTime; } #endif // !FEATURE_PAL #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Net { using System; using System.Security.Permissions; using System.Globalization; using System.Text; using System.Collections; using System.Collections.Specialized; using System.Net.Sockets; using System.Threading; using System.Runtime.InteropServices; #if USE_WINIET_AUTODETECT_CACHE #if !FEATURE_PAL using FILETIME = System.Runtime.InteropServices.ComTypes.FILETIME; #endif // !FEATURE_PAL #endif using Microsoft.Win32; using System.Runtime.Versioning; using System.Diagnostics; internal class RegBlobWebProxyDataBuilder : WebProxyDataBuilder { #if !FEATURE_PAL // // Allows us to grob through the registry and read the // IE binary format, note that this should be replaced, // by code that calls Wininet directly, but it can be // expensive to load wininet, in order to do this. // [Flags] private enum ProxyTypeFlags { PROXY_TYPE_DIRECT = 0x00000001, // direct to net PROXY_TYPE_PROXY = 0x00000002, // via named proxy PROXY_TYPE_AUTO_PROXY_URL = 0x00000004, // autoproxy URL PROXY_TYPE_AUTO_DETECT = 0x00000008, // use autoproxy detection } internal const string PolicyKey = @"SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings"; internal const string ProxyKey = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections"; private const string DefaultConnectionSettings = "DefaultConnectionSettings"; private const string ProxySettingsPerUser = "ProxySettingsPerUser"; #if USE_WINIET_AUTODETECT_CACHE // Get the number of MilliSeconds in 7 days and then multiply by 10 because // FILETIME stores data stores time in 100-nanosecond intervals. // internal static UInt64 s_lkgScriptValidTime = (UInt64)(new TimeSpan(7, 0, 0, 0).Ticks); // 7 days #endif const int IE50StrucSize = 60; private byte[] m_RegistryBytes; private int m_ByteOffset; private string m_Connectoid; private SafeRegistryHandle m_Registry; public RegBlobWebProxyDataBuilder(string connectoid, SafeRegistryHandle registry) { Debug.Assert(registry != null); m_Registry = registry; m_Connectoid = connectoid; } // returns true - on successful read of proxy registry settings [RegistryPermission(SecurityAction.Assert, Read=@"HKEY_LOCAL_MACHINE\" + PolicyKey)] [ResourceExposure(ResourceScope.Machine)] [ResourceConsumption(ResourceScope.Machine)] private bool ReadRegSettings() { SafeRegistryHandle key = null; RegistryKey lmKey = null; try { bool isPerUser = true; lmKey = Registry.LocalMachine.OpenSubKey(PolicyKey); if (lmKey != null) { object perUser = lmKey.GetValue(ProxySettingsPerUser); if (perUser != null && perUser.GetType() == typeof(int) && 0 == (int) perUser) { isPerUser = false; } } uint errorCode; if (isPerUser) { if (m_Registry != null) { errorCode = m_Registry.RegOpenKeyEx(ProxyKey, 0, UnsafeNclNativeMethods.RegistryHelper.KEY_READ, out key); } else { errorCode = UnsafeNclNativeMethods.ErrorCodes.ERROR_NOT_FOUND; } } else { errorCode = SafeRegistryHandle.RegOpenKeyEx(UnsafeNclNativeMethods.RegistryHelper.HKEY_LOCAL_MACHINE, ProxyKey, 0, UnsafeNclNativeMethods.RegistryHelper.KEY_READ, out key); } if (errorCode != UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS) { key = null; } if (key != null) { // When reading settings from the registry, if connectoid key is missing, the connectoid // was never configured. In this case we have no settings (this is equivalent to always go direct). object data; errorCode = key.QueryValue(m_Connectoid != null ? m_Connectoid : DefaultConnectionSettings, out data); if (errorCode == UnsafeNclNativeMethods.ErrorCodes.ERROR_SUCCESS) { m_RegistryBytes = (byte[]) data; } } } catch (Exception exception) { if (NclUtilities.IsFatal(exception)) throw; } finally { if (lmKey != null) lmKey.Close(); if(key != null) key.RegCloseKey(); } return m_RegistryBytes != null; } #if USE_WINIET_AUTODETECT_CACHE public FILETIME ReadFileTime() { FILETIME ft = new FILETIME(); ft.dwLowDateTime = ReadInt32(); ft.dwHighDateTime = ReadInt32(); return ft; } #endif // // Reads a string from the byte buffer, cached // inside this object, and then updates the // offset, NOTE: Must be in the correct offset // before reading, or will error // public string ReadString() { string stringOut = null; int stringSize = ReadInt32(); if (stringSize>0) { // prevent reading too much int actualSize = m_RegistryBytes.Length - m_ByteOffset; if (stringSize >= actualSize) { stringSize = actualSize; } stringOut = Encoding.UTF8.GetString(m_RegistryBytes, m_ByteOffset, stringSize); m_ByteOffset += stringSize; } return stringOut; } // // Reads a DWORD into a Int32, used to read // a int from the byte buffer. // internal unsafe int ReadInt32() { int intValue = 0; int actualSize = m_RegistryBytes.Length - m_ByteOffset; // copy bytes and increment offset if (actualSize>=sizeof(int)) { fixed (byte* pBuffer = m_RegistryBytes) { if (sizeof(IntPtr)==4) { intValue = *((int*)(pBuffer + m_ByteOffset)); } else { intValue = Marshal.ReadInt32((IntPtr)pBuffer, m_ByteOffset); } } m_ByteOffset += sizeof(int); } // tell caller what we actually read return intValue; } #else // !FEATURE_PAL private static string ReadConfigString(string ConfigName) { const int parameterValueLength = 255; StringBuilder parameterValue = new StringBuilder(parameterValueLength); bool rc = UnsafeNclNativeMethods.FetchConfigurationString(true, ConfigName, parameterValue, parameterValueLength); if (rc) { return parameterValue.ToString(); } return ""; } #endif // !FEATURE_PAL // // Updates an instance of WbeProxy with the proxy settings from IE for: // the current user and a given connectoid. // [ResourceExposure(ResourceScope.Machine)] // Check scoping on this SafeRegistryHandle [ResourceConsumption(ResourceScope.Machine)] protected override void BuildInternal() { GlobalLog.Enter("RegBlobWebProxyDataBuilder#" + ValidationHelper.HashString(this) + "::BuildInternal() m_Connectoid:" + ValidationHelper.ToString(m_Connectoid)); // DON'T TOUCH THE ORDERING OF THE CALLS TO THE INSTANCE OF ProxyRegBlob bool success = ReadRegSettings(); if (success) { success = ReadInt32() >= IE50StrucSize; } if (!success) { // if registry access fails rely on automatic detection SetAutoDetectSettings(true); return; } // read the rest of the items out ReadInt32(); // incremental version# of current settings (ignored) ProxyTypeFlags proxyFlags = (ProxyTypeFlags)ReadInt32(); // flags GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() proxyFlags:" + ValidationHelper.ToString(proxyFlags)); string addressString = ReadString(); // proxy name string proxyBypassString = ReadString(); // proxy bypass GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() proxyAddressString:" + ValidationHelper.ToString(addressString) + " proxyBypassString:" + ValidationHelper.ToString(proxyBypassString)); // // Once we verify that the flag for proxy is enabled, // Parse UriString that is stored, may be in the form, // of "http=http://http-proxy;ftp="ftp=http://..." must // handle this case along with just a URI. // if ((proxyFlags & ProxyTypeFlags.PROXY_TYPE_PROXY) != 0) { SetProxyAndBypassList(addressString, proxyBypassString); } #if !FEATURE_PAL SetAutoDetectSettings((proxyFlags & ProxyTypeFlags.PROXY_TYPE_AUTO_DETECT) != 0); string autoConfigUrlString = ReadString(); // autoconfig url GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() scriptLocation:" + ValidationHelper.ToString(addressString)); if ((proxyFlags & ProxyTypeFlags.PROXY_TYPE_AUTO_PROXY_URL) != 0) { SetAutoProxyUrl(autoConfigUrlString); } // The final straw against attempting to use the WinInet LKG script location was, it's invalid when IPs have changed even if the // connectoid hadn't. Doing that validation didn't seem worth it (error-prone, expensive, unsupported). #if USE_WINIET_AUTODETECT_CACHE proxyIE5Settings.ReadInt32(); // autodetect flags (ignored) // reuse addressString for lkgScriptLocationString addressString = proxyIE5Settings.ReadString(); // last known good auto-proxy url // read ftLastKnownDetectTime FILETIME ftLastKnownDetectTime = proxyIE5Settings.ReadFileTime(); // Verify if this lkgScriptLocationString has timed out // if (IsValidTimeForLkgScriptLocation(ftLastKnownDetectTime)) { // reuse address for lkgScriptLocation GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() lkgScriptLocation:" + ValidationHelper.ToString(addressString)); if (Uri.TryCreate(addressString, UriKind.Absolute, out address)) { webProxyData.lkgScriptLocation = address; } } else { #if TRAVE SYSTEMTIME st = new SYSTEMTIME(); bool f = SafeNclNativeMethods.FileTimeToSystemTime(ref ftLastKnownDetectTime, ref st); if (f) GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() ftLastKnownDetectTime:" + ValidationHelper.ToString(st)); #endif // TRAVE GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Ignoring Timed out lkgScriptLocation:" + ValidationHelper.ToString(addressString)); // Now rely on automatic detection settings set above // based on the proxy flags (webProxyData.automaticallyDetectSettings). // } #endif /* // This is some of the rest of the proxy reg key blob parsing. // // Read Inte---- IPs int iftCount = proxyIE5Settings.ReadInt32(); for (int ift = 0; ift < iftCount; ++ift) { proxyIE5Settings.ReadInt32(); } // Read lpszAutoconfigSecondaryUrl string autoconfigSecondaryUrl = proxyIE5Settings.ReadString(); // Read dwAutoconfigReloadDelayMins int autoconfigReloadDelayMins = proxyIE5Settings.ReadInt32(); */ #endif GlobalLog.Leave("RegBlobWebProxyDataBuilder#" + ValidationHelper.HashString(this) + "::BuildInternal()"); } #if USE_WINIET_AUTODETECT_CACHE #if !FEATURE_PAL internal unsafe static bool IsValidTimeForLkgScriptLocation(FILETIME ftLastKnownDetectTime) { // Get Current System Time. FILETIME ftCurrentTime = new FILETIME(); SafeNclNativeMethods.GetSystemTimeAsFileTime(ref ftCurrentTime); UInt64 ftDetect = (UInt64)ftLastKnownDetectTime.dwHighDateTime; ftDetect <<= (sizeof(int) * 8); ftDetect |= (UInt64)(uint)ftLastKnownDetectTime.dwLowDateTime; UInt64 ftCurrent = (UInt64)ftCurrentTime.dwHighDateTime; ftCurrent <<= (sizeof(int) * 8); ftCurrent |= (UInt64)(uint)ftCurrentTime.dwLowDateTime; GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Detect Time:" + ValidationHelper.ToString(ftDetect)); GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Current Time:" + ValidationHelper.ToString(ftCurrent)); GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() 7 days:" + ValidationHelper.ToString(s_lkgScriptValidTime)); GlobalLog.Print("RegBlobWebProxyDataBuilder::BuildInternal() Delta Time:" + ValidationHelper.ToString((UInt64)(ftCurrent - ftDetect))); return (ftCurrent - ftDetect) < s_lkgScriptValidTime; } #endif // !FEATURE_PAL #endif } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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