private static KrbPrincipalName SplitX500(string principal, string realm, PrincipalNameType type)
{
var x500 = new X500DistinguishedName(principal);
var nameSplit = x500.Name.Split(',').ToList();
if (!string.IsNullOrWhiteSpace(realm))
{
var last = nameSplit.Last();
if (!last.StartsWith("DC="))
{
var realmSplit = realm.Split('.');
foreach (var sub in realmSplit)
{
nameSplit.Add($"DC={sub}");
}
}
}
return(new KrbPrincipalName
{
Type = type,
Name = nameSplit.ToArray()
});
}
public static KrbPrincipalName FromPrincipal(
IKerberosPrincipal principal,
PrincipalNameType type = PrincipalNameType.NT_PRINCIPAL,
string realm = null
)
{
return(FromString(principal.PrincipalName, type, realm));
}
private static string MakeFullName(IEnumerable <string> names, PrincipalNameType type, bool normalizeAlias = false)
{
var seperator = NameTypeSeperator[(int)type];
using (var enumerator = names.GetEnumerator())
{
if (!enumerator.MoveNext())
{
return("");
}
var sb = new StringBuilder();
string firstPortion = enumerator.Current;
if (seperator == "/" && normalizeAlias)
{
if (ServiceAliases.TryGetValue(firstPortion.ToLowerInvariant(), out string alias))
{
firstPortion = alias;
}
}
sb.Append(firstPortion);
if (enumerator.MoveNext())
{
sb.Append(seperator);
sb.Append(enumerator.Current);
}
while (enumerator.MoveNext())
{
if (enumerator.Current != null)
{
if (seperator != ",")
{
sb.Append("@");
}
else
{
sb.Append(seperator);
}
sb.Append(enumerator.Current);
}
}
return(sb.ToString());
}
}
public static KrbPrincipalName FromPrincipal(
IKerberosPrincipal principal,
PrincipalNameType type = PrincipalNameType.NT_PRINCIPAL,
string realm = null
)
{
var nameSplit = principal.PrincipalName.Split('@');
var name = nameSplit[0];
if (string.IsNullOrWhiteSpace(realm) && nameSplit.Length > 0)
{
realm = nameSplit[1];
}
return(new KrbPrincipalName
{
Type = type,
Name = new[] { name, realm.ToUpperInvariant() }
});
}
private static KrbPrincipalName SplitAsUpn(string principal, string realm, PrincipalNameType type)
{
var nameSplit = principal.Split('@').ToList();
if (!string.IsNullOrWhiteSpace(realm) && nameSplit.Count == 1)
{
nameSplit.Add(realm);
}
if (type == PrincipalNameType.NT_SRV_INST)
{
return(new KrbPrincipalName
{
Type = type,
Name = nameSplit.ToArray()
});
}
return(new KrbPrincipalName
{
Type = type,
Name = new[] { MakeFullName(nameSplit, PrincipalNameType.NT_PRINCIPAL) }
});
}
private static KrbPrincipalName SplitAsService(string principal, string realm, PrincipalNameType type)
{
var principalSplit = principal.Split('/');
var name = new List <string>
{
principalSplit[0]
};
if (principalSplit.Length > 1)
{
var nameSplit = SplitAsUpn(principalSplit[1], realm, type);
name.AddRange(nameSplit.Name);
}
else
{
if (!string.IsNullOrWhiteSpace(realm))
{
name.Add(realm);
}
}
return(new KrbPrincipalName
{
Type = type,
Name = name.ToArray()
});
}
public PrincipalName(PrincipalNameType Type, string realm, IEnumerable <string> names)
{
this.Type = Type;
this.Realm = realm;
this.Name = names.ToArray();
}
public PrincipalName(PrincipalNameType nameType, string realm, IEnumerable <string> names)
{
NameType = nameType;
Realm = realm;
this.names = new List <string>(names);
}
