diff options
Diffstat (limited to 'dhcpv6/options.go')
| -rw-r--r-- | dhcpv6/options.go | 123 |
1 files changed, 94 insertions, 29 deletions
diff --git a/dhcpv6/options.go b/dhcpv6/options.go index 467c643..9d7da4d 100644 --- a/dhcpv6/options.go +++ b/dhcpv6/options.go @@ -12,6 +12,7 @@ type Option interface { Code() OptionCode ToBytes() []byte String() string + FromBytes([]byte) error } type OptionGeneric struct { @@ -34,6 +35,12 @@ func (og *OptionGeneric) String() string { return fmt.Sprintf("%s: %v", og.OptionCode, og.OptionData) } +// FromBytes resets OptionData to p. +func (og *OptionGeneric) FromBytes(p []byte) error { + og.OptionData = append([]byte(nil), p...) + return nil +} + // ParseOption parses data according to the given code. func ParseOption(code OptionCode, optData []byte) (Option, error) { // Parse a sequence of bytes as a single DHCPv6 option. @@ -44,75 +51,133 @@ func ParseOption(code OptionCode, optData []byte) (Option, error) { ) switch code { case OptionClientID: - opt, err = parseOptClientID(optData) + var o optClientID + err = o.FromBytes(optData) + opt = &o case OptionServerID: - opt, err = parseOptServerID(optData) + var o optServerID + err = o.FromBytes(optData) + opt = &o case OptionIANA: - opt, err = ParseOptIANA(optData) + var o OptIANA + err = o.FromBytes(optData) + opt = &o case OptionIATA: - opt, err = ParseOptIATA(optData) + var o OptIATA + err = o.FromBytes(optData) + opt = &o case OptionIAAddr: - opt, err = ParseOptIAAddress(optData) + var o OptIAAddress + err = o.FromBytes(optData) + opt = &o case OptionORO: var o optRequestedOption err = o.FromBytes(optData) opt = &o case OptionElapsedTime: - opt, err = parseOptElapsedTime(optData) + var o optElapsedTime + err = o.FromBytes(optData) + opt = &o case OptionRelayMsg: - opt, err = parseOptRelayMsg(optData) + var o optRelayMsg + err = o.FromBytes(optData) + opt = &o case OptionStatusCode: - opt, err = ParseOptStatusCode(optData) + var o OptStatusCode + err = o.FromBytes(optData) + opt = &o case OptionUserClass: - opt, err = ParseOptUserClass(optData) + var o OptUserClass + err = o.FromBytes(optData) + opt = &o case OptionVendorClass: - opt, err = ParseOptVendorClass(optData) + var o OptVendorClass + err = o.FromBytes(optData) + opt = &o case OptionVendorOpts: - opt, err = ParseOptVendorOpts(optData) + var o OptVendorOpts + err = o.FromBytes(optData) + opt = &o case OptionInterfaceID: - opt, err = parseOptInterfaceID(optData) + var o optInterfaceID + err = o.FromBytes(optData) + opt = &o case OptionDNSRecursiveNameServer: - opt, err = parseOptDNS(optData) + var o optDNS + err = o.FromBytes(optData) + opt = &o case OptionDomainSearchList: - opt, err = parseOptDomainSearchList(optData) + var o optDomainSearchList + err = o.FromBytes(optData) + opt = &o case OptionIAPD: - opt, err = ParseOptIAPD(optData) + var o OptIAPD + err = o.FromBytes(optData) + opt = &o case OptionIAPrefix: - opt, err = ParseOptIAPrefix(optData) + var o OptIAPrefix + err = o.FromBytes(optData) + opt = &o case OptionInformationRefreshTime: - opt, err = parseOptInformationRefreshTime(optData) + var o optInformationRefreshTime + err = o.FromBytes(optData) + opt = &o case OptionRemoteID: - opt, err = ParseOptRemoteID(optData) + var o OptRemoteID + err = o.FromBytes(optData) + opt = &o case OptionFQDN: - opt, err = ParseOptFQDN(optData) + var o OptFQDN + err = o.FromBytes(optData) + opt = &o case OptionNTPServer: var o OptNTPServer err = o.FromBytes(optData) opt = &o case OptionBootfileURL: - opt, err = parseOptBootFileURL(optData) + var o optBootFileURL + err = o.FromBytes(optData) + opt = &o case OptionBootfileParam: - opt, err = parseOptBootFileParam(optData) + var o optBootFileParam + err = o.FromBytes(optData) + opt = &o case OptionClientArchType: - opt, err = parseOptClientArchType(optData) + var o optClientArchType + err = o.FromBytes(optData) + opt = &o case OptionNII: var o OptNetworkInterfaceID err = o.FromBytes(optData) opt = &o case OptionClientLinkLayerAddr: - opt, err = parseOptClientLinkLayerAddress(optData) + var o optClientLinkLayerAddress + err = o.FromBytes(optData) + opt = &o case OptionDHCPv4Msg: - opt, err = ParseOptDHCPv4Msg(optData) + var o OptDHCPv4Msg + err = o.FromBytes(optData) + opt = &o case OptionDHCP4oDHCP6Server: - opt, err = ParseOptDHCP4oDHCP6Server(optData) + var o OptDHCP4oDHCP6Server + err = o.FromBytes(optData) + opt = &o case Option4RD: - opt, err = ParseOpt4RD(optData) + var o Opt4RD + err = o.FromBytes(optData) + opt = &o case Option4RDMapRule: - opt, err = ParseOpt4RDMapRule(optData) + var o Opt4RDMapRule + err = o.FromBytes(optData) + opt = &o case Option4RDNonMapRule: - opt, err = ParseOpt4RDNonMapRule(optData) + var o Opt4RDNonMapRule + err = o.FromBytes(optData) + opt = &o case OptionRelayPort: - opt, err = parseOptRelayPort(optData) + var o optRelayPort + err = o.FromBytes(optData) + opt = &o default: opt = &OptionGeneric{OptionCode: code, OptionData: optData} } |