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-rw-r--r--dhcpv6/option_requestedoption.go19
-rw-r--r--dhcpv6/option_requestedoption_test.go2
-rw-r--r--dhcpv6/option_types.go153
-rw-r--r--dhcpv6/options.go9
-rw-r--r--dhcpv6/types.go163
5 files changed, 171 insertions, 175 deletions
diff --git a/dhcpv6/option_requestedoption.go b/dhcpv6/option_requestedoption.go
index 9da9373..0324642 100644
--- a/dhcpv6/option_requestedoption.go
+++ b/dhcpv6/option_requestedoption.go
@@ -6,6 +6,7 @@ package dhcpv6
import (
"encoding/binary"
"fmt"
+ "strings"
)
type OptRequestedOption struct {
@@ -39,7 +40,7 @@ func (op *OptRequestedOption) SetRequestedOptions(opts []OptionCode) {
func (op *OptRequestedOption) AddRequestedOption(opt OptionCode) {
for _, requestedOption := range op.requestedOptions {
if opt == requestedOption {
- fmt.Printf("Warning: option %s is already set, appending duplicate", OptionCodeToString[opt])
+ fmt.Printf("Warning: option %s is already set, appending duplicate", opt)
}
}
op.requestedOptions = append(op.requestedOptions, opt)
@@ -50,19 +51,11 @@ func (op *OptRequestedOption) Length() int {
}
func (op *OptRequestedOption) String() string {
- roString := "["
- for idx, code := range op.requestedOptions {
- if name, ok := OptionCodeToString[OptionCode(code)]; ok {
- roString += name
- } else {
- roString += "Unknown"
- }
- if idx < len(op.requestedOptions)-1 {
- roString += ", "
- }
+ names := make([]string, 0, len(op.requestedOptions))
+ for _, code := range op.requestedOptions {
+ names = append(names, code.String())
}
- roString += "]"
- return fmt.Sprintf("OptRequestedOption{options=%v}", roString)
+ return fmt.Sprintf("OptRequestedOption{options=[%v]}", strings.Join(names, ", "))
}
// build an OptRequestedOption structure from a sequence of bytes.
diff --git a/dhcpv6/option_requestedoption_test.go b/dhcpv6/option_requestedoption_test.go
index 7e95e36..a024742 100644
--- a/dhcpv6/option_requestedoption_test.go
+++ b/dhcpv6/option_requestedoption_test.go
@@ -32,7 +32,7 @@ func TestOptRequestedOptionString(t *testing.T) {
require.Contains(
t,
opt.String(),
- "Unknown",
+ "unknown",
"String() should contain 'Unknown' for an illegal option",
)
}
diff --git a/dhcpv6/option_types.go b/dhcpv6/option_types.go
deleted file mode 100644
index 6a852ad..0000000
--- a/dhcpv6/option_types.go
+++ /dev/null
@@ -1,153 +0,0 @@
-package dhcpv6
-
-// All DHCPv6 options.
-const (
- OptionClientID OptionCode = 1
- OptionServerID OptionCode = 2
- OptionIANA OptionCode = 3
- OptionIATA OptionCode = 4
- OptionIAAddr OptionCode = 5
- OptionORO OptionCode = 6
- OptionPreference OptionCode = 7
- OptionElapsedTime OptionCode = 8
- OptionRelayMsg OptionCode = 9
- // skip 10
- OptionAuth OptionCode = 11
- OptionUnicast OptionCode = 12
- OptionStatusCode OptionCode = 13
- OptionRapidCommit OptionCode = 14
- OptionUserClass OptionCode = 15
- OptionVendorClass OptionCode = 16
- OptionVendorOpts OptionCode = 17
- OptionInterfaceID OptionCode = 18
- OptionReconfMessage OptionCode = 19
- OptionReconfAccept OptionCode = 20
- OptionSIPServersDomainNameList OptionCode = 21
- OptionSIPServersIPv6AddressList OptionCode = 22
- OptionDNSRecursiveNameServer OptionCode = 23
- OptionDomainSearchList OptionCode = 24
- OptionIAPD OptionCode = 25
- OptionIAPrefix OptionCode = 26
- OptionNISServers OptionCode = 27
- OptionNISPServers OptionCode = 28
- OptionNISDomainName OptionCode = 29
- OptionNISPDomainName OptionCode = 30
- OptionSNTPServerList OptionCode = 31
- OptionInformationRefreshTime OptionCode = 32
- OptionBCMCSControllerDomainNameList OptionCode = 33
- OptionBCMCSControllerIPv6AddressList OptionCode = 34
- // skip 35
- OptionGeoConfCivic OptionCode = 36
- OptionRemoteID OptionCode = 37
- OptionRelayAgentSubscriberID OptionCode = 38
- OptionFQDN OptionCode = 39
- OptionPANAAuthenticationAgent OptionCode = 40
- OptionNewPOSIXTimezone OptionCode = 41
- OptionNewTZDBTimezone OptionCode = 42
- OptionEchoRequest OptionCode = 43
- OptionLQQuery OptionCode = 44
- OptionClientData OptionCode = 45
- OptionCLTTime OptionCode = 46
- OptionLQRelayData OptionCode = 47
- OptionLQClientLink OptionCode = 48
- OptionMIPv6HomeNetworkIDFQDN OptionCode = 49
- OptionMIPv6VisitedHomeNetworkInformation OptionCode = 50
- OptionLoSTServer OptionCode = 51
- OptionCAPWAPAccessControllerAddresses OptionCode = 52
- OptionRelayID OptionCode = 53
- OptionIPv6AddressMOS OptionCode = 54
- OptionIPv6FQDNMOS OptionCode = 55
- OptionNTPServer OptionCode = 56
- OptionV6AccessDomain OptionCode = 57
- OptionSIPUACSList OptionCode = 58
- OptionBootfileURL OptionCode = 59
- OptionBootfileParam OptionCode = 60
- OptionClientArchType OptionCode = 61
- OptionNII OptionCode = 62
- OptionGeolocation OptionCode = 63
- OptionAFTRName OptionCode = 64
- OptionERPLocalDomainName OptionCode = 65
- OptionRSOO OptionCode = 66
- OptionPDExclude OptionCode = 67
- OptionVirtualSubnetSelection OptionCode = 68
- OptionMIPv6IdentifiedHomeNetworkInformation OptionCode = 69
- OptionMIPv6UnrestrictedHomeNetworkInformation OptionCode = 70
- OptionMIPv6HomeNetworkPrefix OptionCode = 71
- OptionMIPv6HomeAgentAddress OptionCode = 72
- OptionMIPv6HomeAgentFQDN OptionCode = 73
-)
-
-// OptionCodeToString maps DHCPv6 OptionCodes to human-readable strings.
-var OptionCodeToString = map[OptionCode]string{
- OptionClientID: "OPTION_CLIENTID",
- OptionServerID: "OPTION_SERVERID",
- OptionIANA: "OPTION_IA_NA",
- OptionIATA: "OPTION_IA_TA",
- OptionIAAddr: "OPTION_IAADDR",
- OptionORO: "OPTION_ORO",
- OptionPreference: "OPTION_PREFERENCE",
- OptionElapsedTime: "OPTION_ELAPSED_TIME",
- OptionRelayMsg: "OPTION_RELAY_MSG",
- OptionAuth: "OPTION_AUTH",
- OptionUnicast: "OPTION_UNICAST",
- OptionStatusCode: "OPTION_STATUS_CODE",
- OptionRapidCommit: "OPTION_RAPID_COMMIT",
- OptionUserClass: "OPTION_USER_CLASS",
- OptionVendorClass: "OPTION_VENDOR_CLASS",
- OptionVendorOpts: "OPTION_VENDOR_OPTS",
- OptionInterfaceID: "OPTION_INTERFACE_ID",
- OptionReconfMessage: "OPTION_RECONF_MSG",
- OptionReconfAccept: "OPTION_RECONF_ACCEPT",
- OptionSIPServersDomainNameList: "SIP Servers Domain Name List",
- OptionSIPServersIPv6AddressList: "SIP Servers IPv6 Address List",
- OptionDNSRecursiveNameServer: "DNS Recursive Name Server",
- OptionDomainSearchList: "Domain Search List",
- OptionIAPD: "OPTION_IA_PD",
- OptionIAPrefix: "OPTION_IAPREFIX",
- OptionNISServers: "OPTION_NIS_SERVERS",
- OptionNISPServers: "OPTION_NISP_SERVERS",
- OptionNISDomainName: "OPTION_NIS_DOMAIN_NAME",
- OptionNISPDomainName: "OPTION_NISP_DOMAIN_NAME",
- OptionSNTPServerList: "SNTP Server List",
- OptionInformationRefreshTime: "Information Refresh Time",
- OptionBCMCSControllerDomainNameList: "BCMCS Controller Domain Name List",
- OptionBCMCSControllerIPv6AddressList: "BCMCS Controller IPv6 Address List",
- OptionGeoConfCivic: "OPTION_GEOCONF",
- OptionRemoteID: "OPTION_REMOTE_ID",
- OptionRelayAgentSubscriberID: "Relay-Agent Subscriber ID",
- OptionFQDN: "FQDN",
- OptionPANAAuthenticationAgent: "PANA Authentication Agent",
- OptionNewPOSIXTimezone: "OPTION_NEW_POSIX_TIME_ZONE",
- OptionNewTZDBTimezone: "OPTION_NEW_TZDB_TIMEZONE",
- OptionEchoRequest: "Echo Request",
- OptionLQQuery: "OPTION_LQ_QUERY",
- OptionClientData: "OPTION_CLIENT_DATA",
- OptionCLTTime: "OPTION_CLT_TIME",
- OptionLQRelayData: "OPTION_LQ_RELAY_DATA",
- OptionLQClientLink: "OPTION_LQ_CLIENT_LINK",
- OptionMIPv6HomeNetworkIDFQDN: "MIPv6 Home Network ID FQDN",
- OptionMIPv6VisitedHomeNetworkInformation: "MIPv6 Visited Home Network Information",
- OptionLoSTServer: "LoST Server",
- OptionCAPWAPAccessControllerAddresses: "CAPWAP Access Controller Addresses",
- OptionRelayID: "RELAY_ID",
- OptionIPv6AddressMOS: "OPTION-IPv6_Address-MoS",
- OptionIPv6FQDNMOS: "OPTION-IPv6-FQDN-MoS",
- OptionNTPServer: "OPTION_NTP_SERVER",
- OptionV6AccessDomain: "OPTION_V6_ACCESS_DOMAIN",
- OptionSIPUACSList: "OPTION_SIP_UA_CS_LIST",
- OptionBootfileURL: "OPT_BOOTFILE_URL",
- OptionBootfileParam: "OPT_BOOTFILE_PARAM",
- OptionClientArchType: "OPTION_CLIENT_ARCH_TYPE",
- OptionNII: "OPTION_NII",
- OptionGeolocation: "OPTION_GEOLOCATION",
- OptionAFTRName: "OPTION_AFTR_NAME",
- OptionERPLocalDomainName: "OPTION_ERP_LOCAL_DOMAIN_NAME",
- OptionRSOO: "OPTION_RSOO",
- OptionPDExclude: "OPTION_PD_EXCLUDE",
- OptionVirtualSubnetSelection: "Virtual Subnet Selection",
- OptionMIPv6IdentifiedHomeNetworkInformation: "MIPv6 Identified Home Network Information",
- OptionMIPv6UnrestrictedHomeNetworkInformation: "MIPv6 Unrestricted Home Network Information",
- OptionMIPv6HomeNetworkPrefix: "MIPv6 Home Network Prefix",
- OptionMIPv6HomeAgentAddress: "MIPv6 Home Agent Address",
- OptionMIPv6HomeAgentFQDN: "MIPv6 Home Agent FQDN",
-}
diff --git a/dhcpv6/options.go b/dhcpv6/options.go
index 33f0d20..23ad589 100644
--- a/dhcpv6/options.go
+++ b/dhcpv6/options.go
@@ -5,9 +5,6 @@ import (
"fmt"
)
-// OptionCode is a single byte representing the code for a given Option.
-type OptionCode uint16
-
// Option is an interface that all DHCPv6 options adhere to.
type Option interface {
Code() OptionCode
@@ -38,11 +35,7 @@ func (og *OptionGeneric) ToBytes() []byte {
}
func (og *OptionGeneric) String() string {
- code, ok := OptionCodeToString[og.OptionCode]
- if !ok {
- code = "UnknownOption"
- }
- return fmt.Sprintf("%v -> %v", code, og.OptionData)
+ return fmt.Sprintf("%s -> %v", og.OptionCode, og.OptionData)
}
func (og *OptionGeneric) Length() int {
diff --git a/dhcpv6/types.go b/dhcpv6/types.go
index 77b1e75..4285465 100644
--- a/dhcpv6/types.go
+++ b/dhcpv6/types.go
@@ -67,3 +67,166 @@ var messageTypeToStringMap = map[MessageType]string{
MessageTypeLeaseQueryDone: "LEASEQUERY-DONE",
MessageTypeLeaseQueryData: "LEASEQUERY-DATA",
}
+
+// OptionCode is a single byte representing the code for a given Option.
+type OptionCode uint16
+
+// String returns the option code name.
+func (o OptionCode) String() string {
+ if s, ok := optionCodeToString[o]; ok {
+ return s
+ }
+ return fmt.Sprintf("unknown (%d)", o)
+}
+
+// All DHCPv6 options.
+const (
+ OptionClientID OptionCode = 1
+ OptionServerID OptionCode = 2
+ OptionIANA OptionCode = 3
+ OptionIATA OptionCode = 4
+ OptionIAAddr OptionCode = 5
+ OptionORO OptionCode = 6
+ OptionPreference OptionCode = 7
+ OptionElapsedTime OptionCode = 8
+ OptionRelayMsg OptionCode = 9
+ // skip 10
+ OptionAuth OptionCode = 11
+ OptionUnicast OptionCode = 12
+ OptionStatusCode OptionCode = 13
+ OptionRapidCommit OptionCode = 14
+ OptionUserClass OptionCode = 15
+ OptionVendorClass OptionCode = 16
+ OptionVendorOpts OptionCode = 17
+ OptionInterfaceID OptionCode = 18
+ OptionReconfMessage OptionCode = 19
+ OptionReconfAccept OptionCode = 20
+ OptionSIPServersDomainNameList OptionCode = 21
+ OptionSIPServersIPv6AddressList OptionCode = 22
+ OptionDNSRecursiveNameServer OptionCode = 23
+ OptionDomainSearchList OptionCode = 24
+ OptionIAPD OptionCode = 25
+ OptionIAPrefix OptionCode = 26
+ OptionNISServers OptionCode = 27
+ OptionNISPServers OptionCode = 28
+ OptionNISDomainName OptionCode = 29
+ OptionNISPDomainName OptionCode = 30
+ OptionSNTPServerList OptionCode = 31
+ OptionInformationRefreshTime OptionCode = 32
+ OptionBCMCSControllerDomainNameList OptionCode = 33
+ OptionBCMCSControllerIPv6AddressList OptionCode = 34
+ // skip 35
+ OptionGeoConfCivic OptionCode = 36
+ OptionRemoteID OptionCode = 37
+ OptionRelayAgentSubscriberID OptionCode = 38
+ OptionFQDN OptionCode = 39
+ OptionPANAAuthenticationAgent OptionCode = 40
+ OptionNewPOSIXTimezone OptionCode = 41
+ OptionNewTZDBTimezone OptionCode = 42
+ OptionEchoRequest OptionCode = 43
+ OptionLQQuery OptionCode = 44
+ OptionClientData OptionCode = 45
+ OptionCLTTime OptionCode = 46
+ OptionLQRelayData OptionCode = 47
+ OptionLQClientLink OptionCode = 48
+ OptionMIPv6HomeNetworkIDFQDN OptionCode = 49
+ OptionMIPv6VisitedHomeNetworkInformation OptionCode = 50
+ OptionLoSTServer OptionCode = 51
+ OptionCAPWAPAccessControllerAddresses OptionCode = 52
+ OptionRelayID OptionCode = 53
+ OptionIPv6AddressMOS OptionCode = 54
+ OptionIPv6FQDNMOS OptionCode = 55
+ OptionNTPServer OptionCode = 56
+ OptionV6AccessDomain OptionCode = 57
+ OptionSIPUACSList OptionCode = 58
+ OptionBootfileURL OptionCode = 59
+ OptionBootfileParam OptionCode = 60
+ OptionClientArchType OptionCode = 61
+ OptionNII OptionCode = 62
+ OptionGeolocation OptionCode = 63
+ OptionAFTRName OptionCode = 64
+ OptionERPLocalDomainName OptionCode = 65
+ OptionRSOO OptionCode = 66
+ OptionPDExclude OptionCode = 67
+ OptionVirtualSubnetSelection OptionCode = 68
+ OptionMIPv6IdentifiedHomeNetworkInformation OptionCode = 69
+ OptionMIPv6UnrestrictedHomeNetworkInformation OptionCode = 70
+ OptionMIPv6HomeNetworkPrefix OptionCode = 71
+ OptionMIPv6HomeAgentAddress OptionCode = 72
+ OptionMIPv6HomeAgentFQDN OptionCode = 73
+)
+
+// optionCodeToString maps DHCPv6 OptionCodes to human-readable strings.
+var optionCodeToString = map[OptionCode]string{
+ OptionClientID: "OPTION_CLIENTID",
+ OptionServerID: "OPTION_SERVERID",
+ OptionIANA: "OPTION_IA_NA",
+ OptionIATA: "OPTION_IA_TA",
+ OptionIAAddr: "OPTION_IAADDR",
+ OptionORO: "OPTION_ORO",
+ OptionPreference: "OPTION_PREFERENCE",
+ OptionElapsedTime: "OPTION_ELAPSED_TIME",
+ OptionRelayMsg: "OPTION_RELAY_MSG",
+ OptionAuth: "OPTION_AUTH",
+ OptionUnicast: "OPTION_UNICAST",
+ OptionStatusCode: "OPTION_STATUS_CODE",
+ OptionRapidCommit: "OPTION_RAPID_COMMIT",
+ OptionUserClass: "OPTION_USER_CLASS",
+ OptionVendorClass: "OPTION_VENDOR_CLASS",
+ OptionVendorOpts: "OPTION_VENDOR_OPTS",
+ OptionInterfaceID: "OPTION_INTERFACE_ID",
+ OptionReconfMessage: "OPTION_RECONF_MSG",
+ OptionReconfAccept: "OPTION_RECONF_ACCEPT",
+ OptionSIPServersDomainNameList: "SIP Servers Domain Name List",
+ OptionSIPServersIPv6AddressList: "SIP Servers IPv6 Address List",
+ OptionDNSRecursiveNameServer: "DNS Recursive Name Server",
+ OptionDomainSearchList: "Domain Search List",
+ OptionIAPD: "OPTION_IA_PD",
+ OptionIAPrefix: "OPTION_IAPREFIX",
+ OptionNISServers: "OPTION_NIS_SERVERS",
+ OptionNISPServers: "OPTION_NISP_SERVERS",
+ OptionNISDomainName: "OPTION_NIS_DOMAIN_NAME",
+ OptionNISPDomainName: "OPTION_NISP_DOMAIN_NAME",
+ OptionSNTPServerList: "SNTP Server List",
+ OptionInformationRefreshTime: "Information Refresh Time",
+ OptionBCMCSControllerDomainNameList: "BCMCS Controller Domain Name List",
+ OptionBCMCSControllerIPv6AddressList: "BCMCS Controller IPv6 Address List",
+ OptionGeoConfCivic: "OPTION_GEOCONF",
+ OptionRemoteID: "OPTION_REMOTE_ID",
+ OptionRelayAgentSubscriberID: "Relay-Agent Subscriber ID",
+ OptionFQDN: "FQDN",
+ OptionPANAAuthenticationAgent: "PANA Authentication Agent",
+ OptionNewPOSIXTimezone: "OPTION_NEW_POSIX_TIME_ZONE",
+ OptionNewTZDBTimezone: "OPTION_NEW_TZDB_TIMEZONE",
+ OptionEchoRequest: "Echo Request",
+ OptionLQQuery: "OPTION_LQ_QUERY",
+ OptionClientData: "OPTION_CLIENT_DATA",
+ OptionCLTTime: "OPTION_CLT_TIME",
+ OptionLQRelayData: "OPTION_LQ_RELAY_DATA",
+ OptionLQClientLink: "OPTION_LQ_CLIENT_LINK",
+ OptionMIPv6HomeNetworkIDFQDN: "MIPv6 Home Network ID FQDN",
+ OptionMIPv6VisitedHomeNetworkInformation: "MIPv6 Visited Home Network Information",
+ OptionLoSTServer: "LoST Server",
+ OptionCAPWAPAccessControllerAddresses: "CAPWAP Access Controller Addresses",
+ OptionRelayID: "RELAY_ID",
+ OptionIPv6AddressMOS: "OPTION-IPv6_Address-MoS",
+ OptionIPv6FQDNMOS: "OPTION-IPv6-FQDN-MoS",
+ OptionNTPServer: "OPTION_NTP_SERVER",
+ OptionV6AccessDomain: "OPTION_V6_ACCESS_DOMAIN",
+ OptionSIPUACSList: "OPTION_SIP_UA_CS_LIST",
+ OptionBootfileURL: "OPT_BOOTFILE_URL",
+ OptionBootfileParam: "OPT_BOOTFILE_PARAM",
+ OptionClientArchType: "OPTION_CLIENT_ARCH_TYPE",
+ OptionNII: "OPTION_NII",
+ OptionGeolocation: "OPTION_GEOLOCATION",
+ OptionAFTRName: "OPTION_AFTR_NAME",
+ OptionERPLocalDomainName: "OPTION_ERP_LOCAL_DOMAIN_NAME",
+ OptionRSOO: "OPTION_RSOO",
+ OptionPDExclude: "OPTION_PD_EXCLUDE",
+ OptionVirtualSubnetSelection: "Virtual Subnet Selection",
+ OptionMIPv6IdentifiedHomeNetworkInformation: "MIPv6 Identified Home Network Information",
+ OptionMIPv6UnrestrictedHomeNetworkInformation: "MIPv6 Unrestricted Home Network Information",
+ OptionMIPv6HomeNetworkPrefix: "MIPv6 Home Network Prefix",
+ OptionMIPv6HomeAgentAddress: "MIPv6 Home Agent Address",
+ OptionMIPv6HomeAgentFQDN: "MIPv6 Home Agent FQDN",
+}