internal LogStream(string path, int bufferSize, LogRetentionOption retention, long maxFileSize, int maxNumOfFiles)
{
string fullPath = Path.GetFullPath(path);
this._fileName = fullPath;
if (fullPath.StartsWith(@"\\.\", StringComparison.Ordinal))
{
throw new NotSupportedException(System.SR.GetString("NotSupported_IONonFileDevices"));
}
Microsoft.Win32.UnsafeNativeMethods.SECURITY_ATTRIBUTES secAttrs = GetSecAttrs(FileShare.Read);
int num = 0x100000;
this._canWrite = true;
this._pathSav = fullPath;
this._fAccessSav = 0x40000000;
this._shareSav = FileShare.Read;
this._secAttrsSav = secAttrs;
this._secAccessSav = FileIOPermissionAccess.Write;
this._modeSav = (retention != LogRetentionOption.SingleFileUnboundedSize) ? FileMode.Create : FileMode.OpenOrCreate;
this._flagsAndAttributesSav = num;
this._seekToEndSav = retention == LogRetentionOption.SingleFileUnboundedSize;
base.bufferSize = bufferSize;
this._retention = retention;
this._maxFileSize = maxFileSize;
this._maxNumberOfFiles = maxNumOfFiles;
this._Init(fullPath, this._fAccessSav, this._shareSav, this._secAttrsSav, this._secAccessSav, this._modeSav, this._flagsAndAttributesSav, this._seekToEndSav);
}
internal LogStream(string path, int bufferSize, LogRetentionOption retention, long maxFileSize, int maxNumOfFiles)
{
string fullPath = Path.GetFullPath(path);
this._fileName = fullPath;
if (fullPath.StartsWith(@"\\.\", StringComparison.Ordinal))
{
throw new NotSupportedException(System.SR.GetString("NotSupported_IONonFileDevices"));
}
Microsoft.Win32.UnsafeNativeMethods.SECURITY_ATTRIBUTES secAttrs = GetSecAttrs(FileShare.Read);
int num = 0x100000;
this._canWrite = true;
this._pathSav = fullPath;
this._fAccessSav = 0x40000000;
this._shareSav = FileShare.Read;
this._secAttrsSav = secAttrs;
this._secAccessSav = FileIOPermissionAccess.Write;
this._modeSav = (retention != LogRetentionOption.SingleFileUnboundedSize) ? FileMode.Create : FileMode.OpenOrCreate;
this._flagsAndAttributesSav = num;
this._seekToEndSav = retention == LogRetentionOption.SingleFileUnboundedSize;
base.bufferSize = bufferSize;
this._retention = retention;
this._maxFileSize = maxFileSize;
this._maxNumberOfFiles = maxNumOfFiles;
this._Init(fullPath, this._fAccessSav, this._shareSav, this._secAttrsSav, this._secAccessSav, this._modeSav, this._flagsAndAttributesSav, this._seekToEndSav);
}
internal LogStream(String path, int bufferSize, LogRetentionOption retention, long maxFileSize, int maxNumOfFiles)
{
Debug.Assert(!String.IsNullOrEmpty(path));
// Get absolute path - Security needs this to prevent something
// like trying to create a file in c:\tmp with the name
// "..\WinNT\System32\ntoskrnl.exe". Store it for user convenience.
//String filePath = Path.GetFullPathInternal(path);
String filePath = Path.GetFullPath(path);
_fileName = filePath;
// Prevent access to your disk drives as raw block devices.
if (filePath.StartsWith("\\\\.\\", StringComparison.Ordinal))
{
throw new NotSupportedException(SR.GetString(SR.NotSupported_IONonFileDevices));
}
UnsafeNativeMethods.SECURITY_ATTRIBUTES secAttrs = GetSecAttrs(FileShare.Read);
// For mitigating local elevation of privilege attack through named pipes
// make sure we always call CreateFile with SECURITY_ANONYMOUS so that the
// named pipe server can't impersonate a high privileged client security context
int flagsAndAttributes = (int)FileOptions.None | (UnsafeNativeMethods.SECURITY_SQOS_PRESENT | UnsafeNativeMethods.SECURITY_ANONYMOUS);
// Only write is enabled
//_canRead = false;
//_canSeek = false;
_canWrite = true;
_pathSav = filePath;
_fAccessSav = UnsafeNativeMethods.GENERIC_WRITE;
_shareSav = FileShare.Read;
_secAttrsSav = secAttrs;
_secAccessSav = FileIOPermissionAccess.Write;
_modeSav = (retention != LogRetentionOption.SingleFileUnboundedSize)? FileMode.Create : FileMode.OpenOrCreate;
_flagsAndAttributesSav = flagsAndAttributes;
_seekToEndSav = (retention != LogRetentionOption.SingleFileUnboundedSize)? false : true;
this.bufferSize = bufferSize;
_retention = retention;
_maxFileSize = maxFileSize;
_maxNumberOfFiles = maxNumOfFiles;
_Init(filePath, _fAccessSav, _shareSav, _secAttrsSav, _secAccessSav, _modeSav, _flagsAndAttributesSav, _seekToEndSav);
}
internal LogStream(String path, int bufferSize, LogRetentionOption retention, long maxFileSize, int maxNumOfFiles)
{
Debug.Assert(!String.IsNullOrEmpty(path));
// Get absolute path - Security needs this to prevent something
// like trying to create a file in c:\tmp with the name
// "..\WinNT\System32\ntoskrnl.exe". Store it for user convenience.
//String filePath = Path.GetFullPathInternal(path);
String filePath = Path.GetFullPath(path);
_fileName = filePath;
// Prevent access to your disk drives as raw block devices.
if (filePath.StartsWith("\\\\.\\", StringComparison.Ordinal))
throw new NotSupportedException(SR.GetString(SR.NotSupported_IONonFileDevices));
UnsafeNativeMethods.SECURITY_ATTRIBUTES secAttrs = GetSecAttrs(FileShare.Read);
// For mitigating local elevation of privilege attack through named pipes
// make sure we always call CreateFile with SECURITY_ANONYMOUS so that the
// named pipe server can't impersonate a high privileged client security context
int flagsAndAttributes = (int)FileOptions.None | (UnsafeNativeMethods.SECURITY_SQOS_PRESENT | UnsafeNativeMethods.SECURITY_ANONYMOUS);
// Only write is enabled
//_canRead = false;
//_canSeek = false;
_canWrite = true;
_pathSav = filePath;
_fAccessSav = UnsafeNativeMethods.GENERIC_WRITE;
_shareSav = FileShare.Read;
_secAttrsSav = secAttrs;
_secAccessSav = FileIOPermissionAccess.Write;
_modeSav = (retention != LogRetentionOption.SingleFileUnboundedSize)? FileMode.Create : FileMode.OpenOrCreate;
_flagsAndAttributesSav = flagsAndAttributes;
_seekToEndSav = (retention != LogRetentionOption.SingleFileUnboundedSize)? false : true;
this.bufferSize = bufferSize;
_retention = retention;
_maxFileSize = maxFileSize;
_maxNumberOfFiles = maxNumOfFiles;
_Init(filePath, _fAccessSav, _shareSav, _secAttrsSav, _secAccessSav, _modeSav, _flagsAndAttributesSav, _seekToEndSav);
}
