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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