From 59c22a151d6899aedd143445953e5906b0d11574 Mon Sep 17 00:00:00 2001 From: Chris Koch Date: Sat, 28 Dec 2019 08:41:31 -0800 Subject: v6: add IA AddressOptions (StatusCode only) Signed-off-by: Chris Koch --- dhcpv6/option_iaaddress.go | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'dhcpv6/option_iaaddress.go') diff --git a/dhcpv6/option_iaaddress.go b/dhcpv6/option_iaaddress.go index c4184e1..9752ee7 100644 --- a/dhcpv6/option_iaaddress.go +++ b/dhcpv6/option_iaaddress.go @@ -8,6 +8,26 @@ import ( "github.com/u-root/u-root/pkg/uio" ) +// AddressOptions are options valid for the IAAddress option field. +// +// RFC 8415 Appendix C lists only the Status Code option as valid. +type AddressOptions struct { + Options +} + +// Status returns the status code associated with this option. +func (ao AddressOptions) Status() *OptStatusCode { + opt := ao.Options.GetOne(OptionStatusCode) + if opt == nil { + return nil + } + sc, ok := opt.(*OptStatusCode) + if !ok { + return nil + } + return sc +} + // OptIAAddress represents an OptionIAAddr. // // This module defines the OptIAAddress structure. @@ -16,7 +36,7 @@ type OptIAAddress struct { IPv6Addr net.IP PreferredLifetime time.Duration ValidLifetime time.Duration - Options Options + Options AddressOptions } // Code returns the option's code @@ -39,7 +59,7 @@ func (op *OptIAAddress) ToBytes() []byte { } func (op *OptIAAddress) String() string { - return fmt.Sprintf("OptIAAddress{ipv6addr=%v, preferredlifetime=%v, validlifetime=%v, options=%v}", + return fmt.Sprintf("IAAddress: IP=%v PreferredLifetime=%v ValidLifetime=%v Options=%v", op.IPv6Addr, op.PreferredLifetime, op.ValidLifetime, op.Options) } -- cgit v1.2.3