/// <summary>
/// creates for all the Ldap types the OMSyntax and AttributeSyntax values; these values are defined by
/// Ldap; http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ad/ad/choosing_a_syntax.asp
/// </summary>
/// <param name="AttrType">the attribute type</param>
/// <param name="OMSyntax">out: the OM Syntax value</param>
/// <param name="AttributeSyntax">out: the Attribute Syntax value</param>
private static void GetAttributeTypeInfo(LdapAttributeTypes AttrType, out int OMSyntax, out string AttributeSyntax)
{
switch (AttrType)
{
// A string that represents an array of bytes. This syntax is used to store binary data
case LdapAttributeTypes.BinaryData:
{
OMSyntax = 4;
AttributeSyntax = "2.5.5.10";
break;
}
// An octet string that contains a string value and a DN.
case LdapAttributeTypes.BinaryDataWithDN:
{
OMSyntax = 127;
AttributeSyntax = "2.5.5.14";
break;
}
// Represents a Boolean value.
case LdapAttributeTypes.Boolean:
{
OMSyntax = 1;
AttributeSyntax = "2.5.5.8";
break;
}
// String that contains a distinguished name (DN).
case LdapAttributeTypes.DNReference:
{
OMSyntax = 127;
AttributeSyntax = "2.5.5.1";
break;
}
// Represents a 32-bit signed integer value.
case LdapAttributeTypes.Integer:
{
OMSyntax = 2;
AttributeSyntax = "2.5.5.9";
break;
}
// Represents a 64-bit signed integer value.
case LdapAttributeTypes.LargeInteger:
{
OMSyntax = 65;
AttributeSyntax = "2.5.5.16";
break;
}
// String that contains a distinguished name (DN).
case LdapAttributeTypes.LinkedDN:
{
OMSyntax = 127;
AttributeSyntax = "2.5.5.1";
break;
}
// An octet string that contains a Windows NT/Windows 2000 security descriptor.
case LdapAttributeTypes.SecurityDescriptor:
{
OMSyntax = 66;
AttributeSyntax = "2.5.5.15";
break;
}
// An octet string that contains a security identifier (SID).
case LdapAttributeTypes.SecurityIdentifier:
{
OMSyntax = 4;
AttributeSyntax = "2.5.5.17";
break;
}
// A case insensitive string that contains characters from the teletex character set.
case LdapAttributeTypes.String:
{
OMSyntax = 20;
AttributeSyntax = "2.5.5.4";
break;
}
// An octet string that contains a string value and a DN.
case LdapAttributeTypes.StringWithDN:
{
OMSyntax = 127;
AttributeSyntax = "2.5.5.14";
break;
}
// A time string format defined by ASN.1 standards. For more information, see ISO 8601 and X680.
case LdapAttributeTypes.Time:
{
OMSyntax = 24;
AttributeSyntax = "2.5.5.11";
break;
}
// unknown data type
default:
{
OMSyntax = Int16.MinValue;
AttributeSyntax = String.Empty;
break;
}
}
}
/// <summary>
/// create a new ldap attribute
/// </summary>
/// <param name="AdsiSchemaPath">the path to the Ldap schema root</param>
/// <param name="AttributeName">the attribute name</param>
/// <param name="IsSingleValued">is the attribute single valued or not</param>
/// <param name="AttributeOID">the last digits of the class OID - format: 1.2.840.113556.1.6.1.1.AttributeOID</param>
/// <param name="AttrType">the type of the attribute</param>
public static void CreateLdapAttribute(string AdsiSchemaPath, string AttributeName, bool IsSingleValued, string AttributeOID, LdapAttributeTypes AttrType)
{
int OMSyntax = Int16.MinValue;
string AttributeSyntax = String.Empty;
// get the OM and attribute syntax from the requested attribute type
GetAttributeTypeInfo(AttrType, out OMSyntax, out AttributeSyntax);
// define all the attribute properties
object[,] Properties = new object[, ] {
{ LdapAttributeOMSyntaxSchemaClassName, OMSyntax },
{ LdapAttributeDisplayNameSchemaClassName, AttributeName },
{ LdapIsSingleValuedSchemaClassName, IsSingleValued },
{ LdapAttributeSyntaxSchemaClassName, AttributeSyntax },
{ LdapAttributeIDSchemaClassName, AttributeOIDBase + AttributeOID }
};
// if the CN= prefix is missing then add it now
AttributeName = AttributeName.StartsWith(LdapCnPrefix) ? AttributeName : LdapCnPrefix + AttributeName;
// invoke edit Adsi object
AddDirectoryObject(AdsiSchemaPath, AttributeName, LdapAttributeSchemaClassName, Properties, null);
}