transformers

package
v0.43.0 Latest Latest
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 Go to latest Published: Apr 11, 2024 License: MIT Imports: 23 Imported by: 0

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Index

Constants

This section is empty.

Variables

View Source 
var (
	DnstapMessage = map[string]string{
		"AUTH_QUERY":         "AQ",
		"AUTH_RESPONSE":      "AR",
		"RESOLVER_QUERY":     "RQ",
		"RESOLVER_RESPONSE":  "RR",
		"CLIENT_QUERY":       "CQ",
		"CLIENT_RESPONSE":    "CR",
		"FORWARDER_QUERY":    "FQ",
		"FORWARDER_RESPONSE": "FR",
		"STUB_QUERY":         "SQ",
		"STUB_RESPONSE":      "SR",
		"TOOL_QUERY":         "TQ",
		"TOOL_RESPONSE":      "TR",
		"UPDATE_QUERY":       "UQ",
		"UPDATE_RESPONSE":    "UR",
		"DNSQueryType":       "Q",
		"DNSResponseType":    "R",
	}
	DNSQr = map[string]string{
		"QUERY": "Q",
		"REPLY": "R",
	}

	IPversion = map[string]string{
		"INET6": "6",
		"INET":  "4",
	}

	Rcodes = map[string]string{
		"NOERROR":   "0",
		"FORMERR":   "1",
		"SERVFAIL":  "2",
		"NXDOMAIN":  "3",
		"NOIMP":     "4",
		"REFUSED":   "5",
		"YXDOMAIN":  "6",
		"YXRRSET":   "7",
		"NXRRSET":   "8",
		"NOTAUTH":   "9",
		"NOTZONE":   "10",
		"DSOTYPENI": "11",
		"BADSIG":    "16",
		"BADKEY":    "17",
		"BADTIME":   "18",
		"BADMODE":   "19",
		"BADNAME":   "20",
		"BADALG":    "21",
		"BADTRUNC":  "22",
		"BADCOOKIE": "23",
	}
)
View Source 
var (
	ReturnSuccess = 1
	ReturnDrop    = 2
	ReturnError   = 3
)

Functions

This section is empty.

Types

type ATagsProcessor added in v0.40.0 

type ATagsProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewATagsTransform added in v0.43.0 

func NewATagsTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) ATagsProcessor

func (*ATagsProcessor) AddTags added in v0.40.0 

func (p *ATagsProcessor) AddTags(dm *dnsutils.DNSMessage) int

func (*ATagsProcessor) InitDNSMessage added in v0.40.0 

func (p *ATagsProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*ATagsProcessor) IsEnabled added in v0.40.0 

func (p *ATagsProcessor) IsEnabled() bool

func (*ATagsProcessor) ReloadConfig added in v0.40.0 

func (p *ATagsProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type ExtractProcessor added in v0.31.0 

type ExtractProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewExtractTransform added in v0.43.0 

func NewExtractTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) ExtractProcessor

func (*ExtractProcessor) AddBase64Payload added in v0.31.0 

func (p *ExtractProcessor) AddBase64Payload(dm *dnsutils.DNSMessage) []byte

func (*ExtractProcessor) InitDNSMessage added in v0.39.0 

func (p *ExtractProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*ExtractProcessor) IsEnabled added in v0.31.0 

func (p *ExtractProcessor) IsEnabled() bool

func (*ExtractProcessor) ReloadConfig added in v0.38.0 

func (p *ExtractProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type FilteringProcessor 

type FilteringProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewFilteringTransform added in v0.43.0 

func NewFilteringTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) FilteringProcessor

func (*FilteringProcessor) CheckIfDrop 

func (p *FilteringProcessor) CheckIfDrop(dm *dnsutils.DNSMessage) bool

func (*FilteringProcessor) DropQueryIPFilter added in v0.39.0 

func (p *FilteringProcessor) DropQueryIPFilter(dm *dnsutils.DNSMessage) bool

func (*FilteringProcessor) InitDNSMessage added in v0.39.0 

func (p *FilteringProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*FilteringProcessor) LoadActiveFilters added in v0.25.0 

func (p *FilteringProcessor) LoadActiveFilters()

func (*FilteringProcessor) LoadDomainsList 

func (p *FilteringProcessor) LoadDomainsList()

func (*FilteringProcessor) LoadQueryIPList added in v0.39.0 

func (p *FilteringProcessor) LoadQueryIPList()

func (*FilteringProcessor) LoadRcodes 

func (p *FilteringProcessor) LoadRcodes()

func (*FilteringProcessor) LoadrDataIPList added in v0.39.0 

func (p *FilteringProcessor) LoadrDataIPList()

func (*FilteringProcessor) ReloadConfig added in v0.38.0 

func (p *FilteringProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type GeoIPProcessor added in v0.39.0 

type GeoIPProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewDNSGeoIPTransform added in v0.43.0 

func NewDNSGeoIPTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) GeoIPProcessor

func (*GeoIPProcessor) Close added in v0.39.0 

func (p *GeoIPProcessor) Close()

func (*GeoIPProcessor) InitDNSMessage added in v0.39.0 

func (p *GeoIPProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*GeoIPProcessor) IsEnabled added in v0.39.0 

func (p *GeoIPProcessor) IsEnabled() bool

func (*GeoIPProcessor) Lookup added in v0.39.0 

func (p *GeoIPProcessor) Lookup(ip string) (GeoRecord, error)

func (*GeoIPProcessor) Open added in v0.39.0 

func (p *GeoIPProcessor) Open() (err error)

func (*GeoIPProcessor) ReloadConfig added in v0.39.0 

func (p *GeoIPProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type GeoRecord 

type GeoRecord struct {
	Continent, CountryISOCode, City, ASN, ASO string
}

type HashQueries added in v0.30.0 

type HashQueries struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

hash queries map

func NewHashQueries added in v0.30.0 

func NewHashQueries(ttl time.Duration) HashQueries

func (*HashQueries) Delete added in v0.30.0 

func (mp *HashQueries) Delete(key uint64)

func (*HashQueries) Get added in v0.30.0 

func (mp *HashQueries) Get(key uint64) (value int64, ok bool)

func (*HashQueries) Set added in v0.30.0 

func (mp *HashQueries) Set(key uint64, value int64)

func (*HashQueries) SetTTL added in v0.39.0 

func (mp *HashQueries) SetTTL(ttl time.Duration)

type LatencyProcessor added in v0.30.0 

type LatencyProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

latency processor

func NewLatencyTransform added in v0.43.0 

func NewLatencyTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) *LatencyProcessor

func (*LatencyProcessor) DetectEvictedTimeout added in v0.30.0 

func (s *LatencyProcessor) DetectEvictedTimeout(dm *dnsutils.DNSMessage)

func (*LatencyProcessor) MeasureLatency added in v0.30.0 

func (s *LatencyProcessor) MeasureLatency(dm *dnsutils.DNSMessage)

func (*LatencyProcessor) ReloadConfig added in v0.38.0 

func (s *LatencyProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type MapQueries added in v0.30.0 

type MapQueries struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

queries map

func NewMapQueries added in v0.30.0 

func NewMapQueries(ttl time.Duration, channels []chan dnsutils.DNSMessage) MapQueries

func (*MapQueries) Delete added in v0.30.0 

func (mp *MapQueries) Delete(key uint64)

func (*MapQueries) Exists added in v0.30.0 

func (mp *MapQueries) Exists(key uint64) (ok bool)

func (*MapQueries) Set added in v0.30.0 

func (mp *MapQueries) Set(key uint64, dm dnsutils.DNSMessage)

func (*MapQueries) SetTTL added in v0.39.0 

func (mp *MapQueries) SetTTL(ttl time.Duration)

type MapTraffic added in v0.31.0 

type MapTraffic struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewMapTraffic added in v0.31.0 

func NewMapTraffic(ttl time.Duration, channels []chan dnsutils.DNSMessage,
	logInfo func(msg string, v ...interface{}), logError func(msg string, v ...interface{})) MapTraffic

func (*MapTraffic) ProcessExpiredKeys added in v0.31.0 

func (mp *MapTraffic) ProcessExpiredKeys()

func (*MapTraffic) Run added in v0.31.0 

func (mp *MapTraffic) Run()

func (*MapTraffic) Set added in v0.31.0 

func (mp *MapTraffic) Set(key string, dm *dnsutils.DNSMessage)

func (*MapTraffic) SetTTL added in v0.39.0 

func (mp *MapTraffic) SetTTL(ttl time.Duration)

type MaxminddbRecord 

type MaxminddbRecord struct {
	Continent struct {
		Code string `maxminddb:"code"`
	} `maxminddb:"continent"`
	Country struct {
		ISOCode string `maxminddb:"iso_code"`
	} `maxminddb:"country"`
	City struct {
		Names map[string]string `maxminddb:"names"`
	} `maxminddb:"city"`
	AutonomousSystemNumber       int    `maxminddb:"autonomous_system_number"`
	AutonomousSystemOrganization string `maxminddb:"autonomous_system_organization"`
}

type MlProcessor added in v0.35.0 

type MlProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewMachineLearningTransform added in v0.43.0 

func NewMachineLearningTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) MlProcessor

func (*MlProcessor) AddFeatures added in v0.35.0 

func (p *MlProcessor) AddFeatures(dm *dnsutils.DNSMessage)

func (*MlProcessor) InitDNSMessage added in v0.39.0 

func (p *MlProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*MlProcessor) ReloadConfig added in v0.38.0 

func (p *MlProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type NormalizeProcessor added in v0.25.0 

type NormalizeProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewNormalizeTransform added in v0.43.0 

func NewNormalizeTransform(
	config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) NormalizeProcessor

func (*NormalizeProcessor) GetEffectiveTld added in v0.26.0 

func (p *NormalizeProcessor) GetEffectiveTld(dm *dnsutils.DNSMessage) int

func (*NormalizeProcessor) GetEffectiveTldPlusOne added in v0.26.0 

func (p *NormalizeProcessor) GetEffectiveTldPlusOne(dm *dnsutils.DNSMessage) int

func (*NormalizeProcessor) InitDNSMessage added in v0.39.0 

func (p *NormalizeProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*NormalizeProcessor) IsEnabled added in v0.25.0 

func (p *NormalizeProcessor) IsEnabled() bool

func (*NormalizeProcessor) LoadActiveProcessors added in v0.31.0 

func (p *NormalizeProcessor) LoadActiveProcessors()

func (*NormalizeProcessor) ProcessDNSMessage added in v0.39.0 

func (p *NormalizeProcessor) ProcessDNSMessage(dm *dnsutils.DNSMessage) int

func (*NormalizeProcessor) QnameLowercase added in v0.43.0 

func (p *NormalizeProcessor) QnameLowercase(dm *dnsutils.DNSMessage) int

func (*NormalizeProcessor) QuietText added in v0.26.0 

func (p *NormalizeProcessor) QuietText(dm *dnsutils.DNSMessage) int

func (*NormalizeProcessor) RRLowercase added in v0.43.0 

func (p *NormalizeProcessor) RRLowercase(dm *dnsutils.DNSMessage) int

func (*NormalizeProcessor) ReloadConfig added in v0.38.0 

func (p *NormalizeProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type ReducerProcessor added in v0.31.0 

type ReducerProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewReducerTransform added in v0.43.0 

func NewReducerTransform(
	config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) *ReducerProcessor

func (*ReducerProcessor) InitDNSMessage added in v0.39.0 

func (p *ReducerProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*ReducerProcessor) LoadActiveReducers added in v0.31.0 

func (p *ReducerProcessor) LoadActiveReducers()

func (*ReducerProcessor) ProcessDNSMessage added in v0.39.0 

func (p *ReducerProcessor) ProcessDNSMessage(dm *dnsutils.DNSMessage) int

func (*ReducerProcessor) ReloadConfig added in v0.38.0 

func (p *ReducerProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

func (*ReducerProcessor) RepetitiveTrafficDetector added in v0.31.0 

func (p *ReducerProcessor) RepetitiveTrafficDetector(dm *dnsutils.DNSMessage) int

type RelabelProcessor added in v0.43.0 

type RelabelProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	RelabelingRules   []dnsutils.RelabelingRule
	// contains filtered or unexported fields
}

func NewRelabelTransform added in v0.43.0 

func NewRelabelTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) RelabelProcessor

func (*RelabelProcessor) InitDNSMessage added in v0.43.0 

func (p *RelabelProcessor) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*RelabelProcessor) IsEnabled added in v0.43.0 

func (p *RelabelProcessor) IsEnabled() bool

func (*RelabelProcessor) Precompile added in v0.43.0 

func (p *RelabelProcessor) Precompile()

func (*RelabelProcessor) ReloadConfig added in v0.43.0 

func (p *RelabelProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

type SuspiciousTransform added in v0.25.0 

type SuspiciousTransform struct {
	CommonQtypes map[string]bool

	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewSuspiciousTransform added in v0.43.0 

func NewSuspiciousTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) SuspiciousTransform

func (*SuspiciousTransform) CheckIfSuspicious added in v0.25.0 

func (p *SuspiciousTransform) CheckIfSuspicious(dm *dnsutils.DNSMessage)

func (*SuspiciousTransform) InitDNSMessage added in v0.39.0 

func (p *SuspiciousTransform) InitDNSMessage(dm *dnsutils.DNSMessage)

func (*SuspiciousTransform) IsEnabled added in v0.25.0 

func (p *SuspiciousTransform) IsEnabled() bool

func (*SuspiciousTransform) ReadConfig added in v0.25.0 

func (p *SuspiciousTransform) ReadConfig()

func (*SuspiciousTransform) ReloadConfig added in v0.38.0 

func (p *SuspiciousTransform) ReloadConfig(config *pkgconfig.ConfigTransformers)

type Transforms added in v0.25.0 

type Transforms struct {
	SuspiciousTransform      SuspiciousTransform
	GeoipTransform           GeoIPProcessor
	FilteringTransform       FilteringProcessor
	UserPrivacyTransform     UserPrivacyProcessor
	NormalizeTransform       NormalizeProcessor
	LatencyTransform         *LatencyProcessor
	ReducerTransform         *ReducerProcessor
	ExtractProcessor         ExtractProcessor
	MachineLearningTransform MlProcessor
	ATagsTransform           ATagsProcessor
	RelabelTransform         RelabelProcessor
	// contains filtered or unexported fields
}

func NewTransforms added in v0.25.0 

func NewTransforms(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string, outChannels []chan dnsutils.DNSMessage, instance int) Transforms

func (*Transforms) InitDNSMessageFormat added in v0.39.0 

func (p *Transforms) InitDNSMessageFormat(dm *dnsutils.DNSMessage)

func (*Transforms) LogError added in v0.25.0 

func (p *Transforms) LogError(msg string, v ...interface{})

func (*Transforms) LogInfo added in v0.25.0 

func (p *Transforms) LogInfo(msg string, v ...interface{})

func (*Transforms) Prepare added in v0.25.0 

func (p *Transforms) Prepare() error

func (*Transforms) ProcessMessage added in v0.25.0 

func (p *Transforms) ProcessMessage(dm *dnsutils.DNSMessage) int

func (*Transforms) ReloadConfig added in v0.38.0 

func (p *Transforms) ReloadConfig(config *pkgconfig.ConfigTransformers)

func (*Transforms) Reset added in v0.25.0 

func (p *Transforms) Reset()

type UserPrivacyProcessor added in v0.25.0 

type UserPrivacyProcessor struct {
	LogInfo, LogError func(msg string, v ...interface{})
	// contains filtered or unexported fields
}

func NewUserPrivacyTransform added in v0.43.0 

func NewUserPrivacyTransform(config *pkgconfig.ConfigTransformers, logger *logger.Logger, name string,
	instance int, outChannels []chan dnsutils.DNSMessage) UserPrivacyProcessor

func (*UserPrivacyProcessor) AnonymizeIP added in v0.25.0 

func (s *UserPrivacyProcessor) AnonymizeIP(ip string) string

func (*UserPrivacyProcessor) HashIP added in v0.27.0 

func (s *UserPrivacyProcessor) HashIP(ip string) string

func (*UserPrivacyProcessor) MinimazeQname added in v0.25.0 

func (s *UserPrivacyProcessor) MinimazeQname(qname string) string

func (*UserPrivacyProcessor) ReadConfig added in v0.40.0 

func (s *UserPrivacyProcessor) ReadConfig()

func (*UserPrivacyProcessor) ReloadConfig added in v0.38.0 

func (s *UserPrivacyProcessor) ReloadConfig(config *pkgconfig.ConfigTransformers)

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