Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / clr / src / BCL / System / Security / Util / sitestring.cs / 1 / sitestring.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
// SiteString
//
namespace System.Security.Util {
using System;
using System.Collections;
using System.Globalization;
[Serializable]
internal class SiteString
{
protected String m_site;
protected ArrayList m_separatedSite;
protected static char[] m_separators = { '.' };
protected internal SiteString()
{
// Only call this in derived classes when you know what you're doing.
}
public SiteString( String site )
{
m_separatedSite = CreateSeparatedSite( site );
m_site = site;
}
private SiteString( String site, ArrayList separatedSite )
{
m_separatedSite = separatedSite;
m_site = site;
}
private static ArrayList CreateSeparatedSite( String site )
{
ArrayList list = new ArrayList();
if (site == null || site.Length == 0)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
int braIndex = -1;
int ketIndex = -1;
braIndex = site.IndexOf('[');
if (braIndex == 0)
ketIndex = site.IndexOf(']', braIndex+1);
if (ketIndex != -1)
{
// Found an IPv6 address. Special case that
String ipv6Addr = site.Substring(braIndex+1, ketIndex-braIndex-1);
list.Add(ipv6Addr);
return list;
}
// Regular hostnames or IPv4 addresses
// We dont need to do this for IPv4 addresses, but it's easier to do it anyway
String[] separatedArray = site.Split( m_separators );
for (int index = separatedArray.Length-1; index > -1; --index)
{
if (separatedArray[index] == null)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
else if (separatedArray[index].Equals( "" ))
{
if (index != separatedArray.Length-1)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
}
else if (separatedArray[index].Equals( "*" ))
{
if (index != 0)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
list.Add( separatedArray[index] );
}
else if (!AllLegalCharacters( separatedArray[index] ))
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
else
{
list.Add( separatedArray[index] );
}
}
return list;
}
// KB# Q188997 - http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q188997& gives the list of allowed characters in
// a NETBIOS name. DNS names are a subset of that (alphanumeric or '-').
private static bool AllLegalCharacters( String str )
{
for (int i = 0; i < str.Length; ++i)
{
char c = str[i];
if (IsLegalDNSChar(c) ||
IsNetbiosSplChar(c))
{
continue;
}
else
{
return false;
}
}
return true;
}
private static bool IsLegalDNSChar(char c)
{
if ((c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
(c == '-'))
return true;
else
return false;
}
private static bool IsNetbiosSplChar(char c)
{
// ! @ # $ % ^ & ( ) - _ ' { } . ~ are OK
switch (c) {
case '-':
case '_':
case '@':
case '!':
case '#':
case '$':
case '%':
case '^':
case '&':
case '(':
case ')':
case '\'':
case '{':
case '}':
case '.':
case '~':
return true;
default:
return false;
}
}
public override String ToString()
{
return m_site;
}
public override bool Equals(Object o)
{
if (o == null || !(o is SiteString))
return false;
else
return this.Equals( (SiteString)o, true );
}
public override int GetHashCode()
{
TextInfo info = CultureInfo.InvariantCulture.TextInfo;
return info.GetCaseInsensitiveHashCode( this.m_site );
}
internal bool Equals( SiteString ss, bool ignoreCase )
{
if (this.m_site == null)
return ss.m_site == null;
if (ss.m_site == null)
return false;
return this.IsSubsetOf(ss, ignoreCase) && ss.IsSubsetOf(this, ignoreCase);
}
public virtual SiteString Copy()
{
return new SiteString( m_site, m_separatedSite );
}
public virtual bool IsSubsetOf( SiteString operand )
{
return this.IsSubsetOf( operand, true );
}
public virtual bool IsSubsetOf( SiteString operand, bool ignoreCase )
{
StringComparison strComp = (ignoreCase? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal);
if (operand == null)
{
return false;
}
else if (this.m_separatedSite.Count == operand.m_separatedSite.Count &&
this.m_separatedSite.Count == 0)
{
return true;
}
else if (this.m_separatedSite.Count < operand.m_separatedSite.Count - 1)
{
return false;
}
else if (this.m_separatedSite.Count > operand.m_separatedSite.Count &&
operand.m_separatedSite.Count > 0 &&
!operand.m_separatedSite[operand.m_separatedSite.Count-1].Equals( "*" ))
{
return false;
}
else if (String.Compare( this.m_site, operand.m_site, strComp) == 0)
{
return true;
}
for (int index = 0; index < operand.m_separatedSite.Count - 1; ++index)
{
if (String.Compare( (String)this.m_separatedSite[index], (String)operand.m_separatedSite[index], strComp) != 0 )
{
return false;
}
}
if (this.m_separatedSite.Count < operand.m_separatedSite.Count)
{
return operand.m_separatedSite[operand.m_separatedSite.Count-1].Equals( "*" );
}
else if (this.m_separatedSite.Count == operand.m_separatedSite.Count)
{
// last item must be the same or operand must have a * in its last item
return (String.Compare( (String)this.m_separatedSite[this.m_separatedSite.Count-1],
(String)operand.m_separatedSite[this.m_separatedSite.Count-1],
strComp ) == 0 ||
operand.m_separatedSite[operand.m_separatedSite.Count-1].Equals( "*" ));
}
else
return true;
}
public virtual SiteString Intersect( SiteString operand )
{
if (operand == null)
{
return null;
}
else if (this.IsSubsetOf( operand ))
{
return this.Copy();
}
else if (operand.IsSubsetOf( this ))
{
return operand.Copy();
}
else
{
return null;
}
}
public virtual SiteString Union( SiteString operand )
{
if (operand == null)
{
return this;
}
else if (this.IsSubsetOf( operand ))
{
return operand.Copy();
}
else if (operand.IsSubsetOf( this ))
{
return this.Copy();
}
else
{
return null;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
// SiteString
//
namespace System.Security.Util {
using System;
using System.Collections;
using System.Globalization;
[Serializable]
internal class SiteString
{
protected String m_site;
protected ArrayList m_separatedSite;
protected static char[] m_separators = { '.' };
protected internal SiteString()
{
// Only call this in derived classes when you know what you're doing.
}
public SiteString( String site )
{
m_separatedSite = CreateSeparatedSite( site );
m_site = site;
}
private SiteString( String site, ArrayList separatedSite )
{
m_separatedSite = separatedSite;
m_site = site;
}
private static ArrayList CreateSeparatedSite( String site )
{
ArrayList list = new ArrayList();
if (site == null || site.Length == 0)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
int braIndex = -1;
int ketIndex = -1;
braIndex = site.IndexOf('[');
if (braIndex == 0)
ketIndex = site.IndexOf(']', braIndex+1);
if (ketIndex != -1)
{
// Found an IPv6 address. Special case that
String ipv6Addr = site.Substring(braIndex+1, ketIndex-braIndex-1);
list.Add(ipv6Addr);
return list;
}
// Regular hostnames or IPv4 addresses
// We dont need to do this for IPv4 addresses, but it's easier to do it anyway
String[] separatedArray = site.Split( m_separators );
for (int index = separatedArray.Length-1; index > -1; --index)
{
if (separatedArray[index] == null)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
else if (separatedArray[index].Equals( "" ))
{
if (index != separatedArray.Length-1)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
}
else if (separatedArray[index].Equals( "*" ))
{
if (index != 0)
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
list.Add( separatedArray[index] );
}
else if (!AllLegalCharacters( separatedArray[index] ))
{
throw new ArgumentException( Environment.GetResourceString("Argument_InvalidSite" ));
}
else
{
list.Add( separatedArray[index] );
}
}
return list;
}
// KB# Q188997 - http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q188997& gives the list of allowed characters in
// a NETBIOS name. DNS names are a subset of that (alphanumeric or '-').
private static bool AllLegalCharacters( String str )
{
for (int i = 0; i < str.Length; ++i)
{
char c = str[i];
if (IsLegalDNSChar(c) ||
IsNetbiosSplChar(c))
{
continue;
}
else
{
return false;
}
}
return true;
}
private static bool IsLegalDNSChar(char c)
{
if ((c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
(c == '-'))
return true;
else
return false;
}
private static bool IsNetbiosSplChar(char c)
{
// ! @ # $ % ^ & ( ) - _ ' { } . ~ are OK
switch (c) {
case '-':
case '_':
case '@':
case '!':
case '#':
case '$':
case '%':
case '^':
case '&':
case '(':
case ')':
case '\'':
case '{':
case '}':
case '.':
case '~':
return true;
default:
return false;
}
}
public override String ToString()
{
return m_site;
}
public override bool Equals(Object o)
{
if (o == null || !(o is SiteString))
return false;
else
return this.Equals( (SiteString)o, true );
}
public override int GetHashCode()
{
TextInfo info = CultureInfo.InvariantCulture.TextInfo;
return info.GetCaseInsensitiveHashCode( this.m_site );
}
internal bool Equals( SiteString ss, bool ignoreCase )
{
if (this.m_site == null)
return ss.m_site == null;
if (ss.m_site == null)
return false;
return this.IsSubsetOf(ss, ignoreCase) && ss.IsSubsetOf(this, ignoreCase);
}
public virtual SiteString Copy()
{
return new SiteString( m_site, m_separatedSite );
}
public virtual bool IsSubsetOf( SiteString operand )
{
return this.IsSubsetOf( operand, true );
}
public virtual bool IsSubsetOf( SiteString operand, bool ignoreCase )
{
StringComparison strComp = (ignoreCase? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal);
if (operand == null)
{
return false;
}
else if (this.m_separatedSite.Count == operand.m_separatedSite.Count &&
this.m_separatedSite.Count == 0)
{
return true;
}
else if (this.m_separatedSite.Count < operand.m_separatedSite.Count - 1)
{
return false;
}
else if (this.m_separatedSite.Count > operand.m_separatedSite.Count &&
operand.m_separatedSite.Count > 0 &&
!operand.m_separatedSite[operand.m_separatedSite.Count-1].Equals( "*" ))
{
return false;
}
else if (String.Compare( this.m_site, operand.m_site, strComp) == 0)
{
return true;
}
for (int index = 0; index < operand.m_separatedSite.Count - 1; ++index)
{
if (String.Compare( (String)this.m_separatedSite[index], (String)operand.m_separatedSite[index], strComp) != 0 )
{
return false;
}
}
if (this.m_separatedSite.Count < operand.m_separatedSite.Count)
{
return operand.m_separatedSite[operand.m_separatedSite.Count-1].Equals( "*" );
}
else if (this.m_separatedSite.Count == operand.m_separatedSite.Count)
{
// last item must be the same or operand must have a * in its last item
return (String.Compare( (String)this.m_separatedSite[this.m_separatedSite.Count-1],
(String)operand.m_separatedSite[this.m_separatedSite.Count-1],
strComp ) == 0 ||
operand.m_separatedSite[operand.m_separatedSite.Count-1].Equals( "*" ));
}
else
return true;
}
public virtual SiteString Intersect( SiteString operand )
{
if (operand == null)
{
return null;
}
else if (this.IsSubsetOf( operand ))
{
return this.Copy();
}
else if (operand.IsSubsetOf( this ))
{
return operand.Copy();
}
else
{
return null;
}
}
public virtual SiteString Union( SiteString operand )
{
if (operand == null)
{
return this;
}
else if (this.IsSubsetOf( operand ))
{
return operand.Copy();
}
else if (operand.IsSubsetOf( this ))
{
return this.Copy();
}
else
{
return null;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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