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dhcp

package

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Versions in this module

v0

v0.9.4

Mar 10, 2022

Changes in this version

type Server4

+ PacketConn *ipv4.PacketConn

v0.9.3

Mar 10, 2022

v0.9.2

Jan 31, 2022

v0.9.1

Jan 26, 2022

v0.9.0

Jan 25, 2022

Changes in this version

type Server4

+ func (s *Server4) Shutdown() error

v0.8.0

Jan 12, 2022

Changes in this version

+ const MaxDatagram

+ var ErrDropRequest = errors.New("request should be dropped")

+ func AddDHCPMock(registry endpoint.HandlerRegistry, logger logging.Logger, ...)

+ func New(logger logging.Logger, emitter audit.Emitter, stateStore state.KVStore) endpoint.ProtocolHandler

+ type ConditionalHandler struct

+ Chain FilterChain

+ Handlers HandlerChain

+ type DHCPv4MessageHandler interface

+ Handle func(req, resp *dhcpv4.DHCPv4) error

+ var NoOpHandler DHCPv4MessageHandler = DHCPv4MessageHandlerFunc(func(_, _ *dhcpv4.DHCPv4) error { ... })

+ func DNSHandler(opts HandlerOptions, args ...rules.Param) (DHCPv4MessageHandler, error)

+ func IPRangeHandler(opts HandlerOptions, args ...rules.Param) (DHCPv4MessageHandler, error)

+ func NetmaskHandler(opts HandlerOptions, args ...rules.Param) (DHCPv4MessageHandler, error)

+ func RouterIPHandler(opts HandlerOptions, args ...rules.Param) (DHCPv4MessageHandler, error)

+ func StaticIPHandler(opts HandlerOptions, args ...rules.Param) (DHCPv4MessageHandler, error)

+ type DHCPv4MessageHandlerFunc func(req, resp *dhcpv4.DHCPv4) error

+ func (f DHCPv4MessageHandlerFunc) Handle(req, resp *dhcpv4.DHCPv4) error

+ type DefaultOptions struct

+ DNS []net.IP

+ LeaseTime time.Duration

+ Netmask net.IP

+ Router net.IP

+ ServerID net.IP

+ type EmittingHandler struct

+ Emitter audit.Emitter

+ Upstream DHCPv4MessageHandler

+ func (h *EmittingHandler) Handle(req, resp *dhcpv4.DHCPv4) error

+ type FallbackHandler struct

+ Logger logging.Logger

+ Previous DHCPv4MessageHandler

+ func (h *FallbackHandler) Handle(req, resp *dhcpv4.DHCPv4) error

+ type FilterChain []RequestFilter

+ func RequestFiltersForRoutingRule(rule rules.FilteredPipeline) (filters FilterChain, err error)

+ func (c FilterChain) Matches(m *dhcpv4.DHCPv4) bool

+ type HandlerChain []DHCPv4MessageHandler

+ func HandlerForRoutingRule(rule *rules.ChainedResponsePipeline, opts HandlerOptions) (HandlerChain, error)

+ func (c HandlerChain) Apply(req, resp *dhcpv4.DHCPv4) error

+ type HandlerOptions struct

+ Logger logging.Logger

+ StateStore state.KVStore

+ type ProtocolOptions struct

+ Default DefaultOptions

+ Fallback DHCPv4MessageHandler

+ Rules []string

+ func LoadFromConfig(lifecycle endpoint.Lifecycle, stateStore state.KVStore) (opts ProtocolOptions, err error)

+ type RangeLease struct

+ IP net.IP

+ MAC net.HardwareAddr

+ type RangeMessageHandler struct

+ EndIP net.IP

+ StartIP net.IP

+ Store state.KVStore

+ TTL time.Duration

+ func (h *RangeMessageHandler) Handle(req, resp *dhcpv4.DHCPv4) (err error)

+ type RequestFilter interface

+ Matches func(msg *dhcpv4.DHCPv4) bool

+ func ExactMACMatcher(args ...rules.Param) (RequestFilter, error)

+ func MatchMACMatcher(args ...rules.Param) (RequestFilter, error)

+ type RequestFilterFunc func(msg *dhcpv4.DHCPv4) bool

+ func (f RequestFilterFunc) Matches(msg *dhcpv4.DHCPv4) bool

+ type RuledHandler struct

+ HandlerName string

+ Logger logging.Logger

+ ProtocolOptions ProtocolOptions

+ StateStore state.KVStore

+ func (h *RuledHandler) Handle(req, resp *dhcpv4.DHCPv4) error

+ func (h *RuledHandler) RegisterRule(rawRule string) error

+ type Server4 struct

+ Handler DHCPv4MessageHandler

+ Logger logging.Logger

+ func (s *Server4) HandleMessage(req *dhcpv4.DHCPv4, oob *ipv4.ControlMessage, addr net.Addr)

+ func (s *Server4) Serve(ctx context.Context, conn *ipv4.PacketConn) error