use default lib for config

Makefile

@@ -8,7 +8,7 @@ GO_DNSTAP_PROTOBUF := 1.0.1
 GO_FRAMESTREAM := 0.10.0
 GO_CLIENTSYSLOG := 0.4.0
 GO_TOPMAP := 1.0.0
-GO_NETUTILS := 0.1.0
+GO_NETUTILS := 0.2.0
 
 BUILD_TIME := $(shell LANG=en_US date +"%F_%T_%z")
 COMMIT := $(shell git rev-parse --short HEAD)

README.md

@@ -1,9 +1,9 @@
 <p align="center">
 <img src="https://goreportcard.com/badge/github.com/dmachard/go-dns-collector" alt="Go Report"/>
 <img src="https://img.shields.io/badge/go%20version-min%201.21-green" alt="Go version"/>
-<img src="https://img.shields.io/badge/go%20tests-428-green" alt="Go tests"/>
+<img src="https://img.shields.io/badge/go%20tests-427-green" alt="Go tests"/>
 <img src="https://img.shields.io/badge/go%20bench-20-green" alt="Go bench"/>
-<img src="https://img.shields.io/badge/go%20lines-31698-green" alt="Go lines"/>
+<img src="https://img.shields.io/badge/go%20lines-30545-green" alt="Go lines"/>
 </p>
 
 <p align="center">

dnsutils/dns_parser.go

@@ -14,111 +14,34 @@ const DNSLen = 12
 const UNKNOWN = "UNKNOWN"
 
 var (
-	Class = map[int]string{
-		1:   "IN",
-		3:   "CH",
-		4:   "HS",
-		254: "NONE",
-		255: "ANY",
-	}
+	Class      = map[int]string{1: "IN", 3: "CH", 4: "HS", 254: "NONE", 255: "ANY"}
 	Rdatatypes = map[int]string{
-		0:     "NONE",
-		1:     "A",
-		2:     "NS",
-		3:     "MD",
-		4:     "MF",
-		5:     "CNAME",
-		6:     "SOA",
-		7:     "MB",
-		8:     "MG",
-		9:     "MR",
-		10:    "NULL",
-		11:    "WKS",
-		12:    "PTR",
-		13:    "HINFO",
-		14:    "MINFO",
-		15:    "MX",
-		16:    "TXT",
-		17:    "RP",
-		18:    "AFSDB",
-		19:    "X25",
-		20:    "ISDN",
-		21:    "RT",
-		22:    "NSAP",
-		23:    "NSAP_PTR",
-		24:    "SIG",
-		25:    "KEY",
-		26:    "PX",
-		27:    "GPOS",
-		28:    "AAAA",
-		29:    "LOC",
-		30:    "NXT",
-		33:    "SRV",
-		35:    "NAPTR",
-		36:    "KX",
-		37:    "CERT",
-		38:    "A6",
-		39:    "DNAME",
-		41:    "OPT",
-		42:    "APL",
-		43:    "DS",
-		44:    "SSHFP",
-		45:    "IPSECKEY",
-		46:    "RRSIG",
-		47:    "NSEC",
-		48:    "DNSKEY",
-		49:    "DHCID",
-		50:    "NSEC3",
-		51:    "NSEC3PARAM",
-		52:    "TSLA",
-		53:    "SMIMEA",
-		55:    "HIP",
-		56:    "NINFO",
-		59:    "CDS",
-		60:    "CDNSKEY",
-		61:    "OPENPGPKEY",
-		62:    "CSYNC",
-		64:    "SVCB",
-		65:    "HTTPS",
-		99:    "SPF",
-		103:   "UNSPEC",
-		108:   "EUI48",
-		109:   "EUI64",
-		249:   "TKEY",
-		250:   "TSIG",
-		251:   "IXFR",
-		252:   "AXFR",
-		253:   "MAILB",
-		254:   "MAILA",
-		255:   "ANY",
-		256:   "URI",
-		257:   "CAA",
-		258:   "AVC",
-		259:   "AMTRELAY",
-		32768: "TA",
-		32769: "DLV",
+		0: "NONE", 1: "A", 2: "NS", 3: "MD",
+		4: "MF", 5: "CNAME", 6: "SOA", 7: "MB",
+		8: "MG", 9: "MR", 10: "NULL", 11: "WKS",
+		12: "PTR", 13: "HINFO", 14: "MINFO", 15: "MX",
+		16: "TXT", 17: "RP", 18: "AFSDB", 19: "X25",
+		20: "ISDN", 21: "RT", 22: "NSAP", 23: "NSAP_PTR",
+		24: "SIG", 25: "KEY", 26: "PX", 27: "GPOS",
+		28: "AAAA", 29: "LOC", 30: "NXT", 33: "SRV",
+		35: "NAPTR", 36: "KX", 37: "CERT", 38: "A6",
+		39: "DNAME", 41: "OPT", 42: "APL", 43: "DS",
+		44: "SSHFP", 45: "IPSECKEY", 46: "RRSIG", 47: "NSEC",
+		48: "DNSKEY", 49: "DHCID", 50: "NSEC3", 51: "NSEC3PARAM",
+		52: "TSLA", 53: "SMIMEA", 55: "HIP", 56: "NINFO",
+		59: "CDS", 60: "CDNSKEY", 61: "OPENPGPKEY", 62: "CSYNC",
+		64: "SVCB", 65: "HTTPS", 99: "SPF", 103: "UNSPEC",
+		108: "EUI48", 109: "EUI64", 249: "TKEY", 250: "TSIG",
+		251: "IXFR", 252: "AXFR", 253: "MAILB", 254: "MAILA",
+		255: "ANY", 256: "URI", 257: "CAA", 258: "AVC",
+		259: "AMTRELAY", 32768: "TA", 32769: "DLV",
 	}
 	Rcodes = map[int]string{
-		0:  "NOERROR",
-		1:  "FORMERR",
-		2:  "SERVFAIL",
-		3:  "NXDOMAIN",
-		4:  "NOIMP",
-		5:  "REFUSED",
-		6:  "YXDOMAIN",
-		7:  "YXRRSET",
-		8:  "NXRRSET",
-		9:  "NOTAUTH",
-		10: "NOTZONE",
-		11: "DSOTYPENI",
-		16: "BADSIG",
-		17: "BADKEY",
-		18: "BADTIME",
-		19: "BADMODE",
-		20: "BADNAME",
-		21: "BADALG",
-		22: "BADTRUNC",
-		23: "BADCOOKIE",
+		0: "NOERROR", 1: "FORMERR", 2: "SERVFAIL", 3: "NXDOMAIN", 4: "NOIMP",
+		5: "REFUSED", 6: "YXDOMAIN", 7: "YXRRSET", 8: "NXRRSET", 9: "NOTAUTH",
+		10: "NOTZONE", 11: "DSOTYPENI", 16: "BADSIG", 17: "BADKEY",
+		18: "BADTIME", 19: "BADMODE", 20: "BADNAME", 21: "BADALG",
+		22: "BADTRUNC", 23: "BADCOOKIE",
 	}
 )
 
@@ -169,21 +92,9 @@ func (e *decodingError) Unwrap() error {
 }
 
 type DNSHeader struct {
-	ID      int
-	Qr      int
-	Opcode  int
-	Aa      int
-	Tc      int
-	Rd      int
-	Ra      int
-	Z       int
-	Ad      int
-	Cd      int
-	Rcode   int
-	Qdcount int
-	Ancount int
-	Nscount int
-	Arcount int
+	ID, Qr, Opcode, Rcode              int
+	Aa, Tc, Rd, Ra, Z, Ad, Cd          int
+	Qdcount, Ancount, Nscount, Arcount int
 }
 
 /*

dnsutils/edns_parser.go

@@ -17,13 +17,7 @@ var ErrDecodeEdnsTooManyOpts = errors.New("edns, packet contained too many OPT R
 
 var (
 	OptCodes = map[int]string{
-		3:  "NSID",
-		8:  "CSUBNET",
-		9:  "EXPIRE",
-		10: "COOKIE",
-		11: "KEEPALIVE",
-		12: "PADDING",
-		15: "ERRORS",
+		3: "NSID", 8: "CSUBNET", 9: "EXPIRE", 10: "COOKIE", 11: "KEEPALIVE", 12: "PADDING", 15: "ERRORS",
 	}
 	ErrorCodeToString = map[int]string{
 		0:  "Other",

go.mod

@@ -8,11 +8,12 @@ require (
 	github.com/IBM/fluent-forward-go v0.2.2
 	github.com/IBM/sarama v1.43.2
 	github.com/cilium/ebpf v0.15.0
+	github.com/creasty/defaults v1.7.0
 	github.com/dmachard/go-clientsyslog v0.4.0
 	github.com/dmachard/go-dnstap-protobuf v1.0.1
 	github.com/dmachard/go-framestream v0.10.0
 	github.com/dmachard/go-logger v0.4.0
-	github.com/dmachard/go-netutils v0.1.0
+	github.com/dmachard/go-netutils v0.2.0
 	github.com/dmachard/go-powerdns-protobuf v1.1.1
 	github.com/dmachard/go-topmap v1.0.0
 	github.com/farsightsec/golang-framestream v0.3.0

go.sum

@@ -457,6 +457,8 @@ github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSV
 github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/creasty/defaults v1.7.0 h1:eNdqZvc5B509z18lD8yc212CAqJNvfT1Jq6L8WowdBA=
+github.com/creasty/defaults v1.7.0/go.mod h1:iGzKe6pbEHnpMPtfDXZEr0NVxWnPTjb1bbDy08fPzYM=
 github.com/cyberdelia/templates v0.0.0-20141128023046-ca7fffd4298c/go.mod h1:GyV+0YP4qX0UQ7r2MoYZ+AvYDp12OF5yg4q8rGnyNh4=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -477,6 +479,8 @@ github.com/dmachard/go-logger v0.4.0 h1:JJJW8C5Ri6OaWIECAE6dUNqLs4ym1+WX3xD6h5Mx
 github.com/dmachard/go-logger v0.4.0/go.mod h1:Gf6Au3CX5l3rZ+Tb3yX31u6h4lwVeZQSBklUI3h8gCA=
 github.com/dmachard/go-netutils v0.1.0 h1:VdlUeUvpv7t4iPbNfHIKRC0itE/OwEZRl/GIdsc0mqc=
 github.com/dmachard/go-netutils v0.1.0/go.mod h1:KgAYMuJcF+1Xwtm0SlpJ4S7jBvkFghj+7tFesaHv3BY=
+github.com/dmachard/go-netutils v0.2.0 h1:jizdNnEftIPOf+f3bUg2yWorX8wDQjBfeXYPAS6zGp8=
+github.com/dmachard/go-netutils v0.2.0/go.mod h1:KgAYMuJcF+1Xwtm0SlpJ4S7jBvkFghj+7tFesaHv3BY=
 github.com/dmachard/go-powerdns-protobuf v1.1.1 h1:HhgkjPGJN9QCLVFWxiTIwP3E0He8ET9uJZaT7/+6HXw=
 github.com/dmachard/go-powerdns-protobuf v1.1.1/go.mod h1:3sewpdCN4u5KpXBxrLpidHAC18v24y+f4OZ4GKfLaME=
 github.com/dmachard/go-topmap v1.0.0 h1:FzCnB80WJMSPhpEfWt/79y97XotTQjhlrsXKR6435ow=