CheckHostName()

static unsafe UriHostNameType System.Uri.CheckHostName ( string? name )

inlinestatic

Definition at line 963 of file Uri.cs.

    {
        if (string.IsNullOrEmpty(name) || name.Length > 32767)
        {
            return UriHostNameType.Unknown;
        }
        int end = name.Length;
        fixed (char* name2 = name)
        {
            if (name[0] == '[' && name[name.Length - 1] == ']' && IPv6AddressHelper.IsValid(name2, 1, ref end) && end == name.Length)
            {
                return UriHostNameType.IPv6;
            }
            end = name.Length;
            if (IPv4AddressHelper.IsValid(name2, 0, ref end, allowIPv6: false, notImplicitFile: false, unknownScheme: false) && end == name.Length)
            {
                return UriHostNameType.IPv4;
            }
            end = name.Length;
            bool notCanonical = false;
            if (DomainNameHelper.IsValid(name2, 0, ref end, ref notCanonical, notImplicitFile: false) && end == name.Length)
            {
                return UriHostNameType.Dns;
            }
            end = name.Length;
            notCanonical = false;
            if (DomainNameHelper.IsValidByIri(name2, 0, ref end, ref notCanonical, notImplicitFile: false) && end == name.Length)
            {
                return UriHostNameType.Dns;
            }
        }
        end = name.Length + 2;
        name = "[" + name + "]";
        fixed (char* name3 = name)
        {
            if (IPv6AddressHelper.IsValid(name3, 1, ref end) && end == name.Length)
            {
                return UriHostNameType.IPv6;
            }
        }
        return UriHostNameType.Unknown;
    }

References System.Runtime.Serialization.Dictionary, System.DomainNameHelper.IsValid(), System.IPv6AddressHelper.IsValid(), System.IPv4AddressHelper.IsValid(), and System.DomainNameHelper.IsValidByIri().

Referenced by System.Net.ServiceNameStore.NormalizeServiceName(), and System.Security.Authentication.ExtendedProtection.ServiceNameCollection.NormalizeServiceName().