initial commit

3 files changed, 902 insertions, 0 deletions

diff --git a/vendor/modernc.org/libc/honnef.co/go/netdb/LICENSE b/vendor/modernc.org/libc/honnef.co/go/netdb/LICENSE
new file mode 100644
index 0000000..ddd6ddd
--- /dev/null
+++ b/vendor/modernc.org/libc/honnef.co/go/netdb/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2012 Dominik Honnef
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/vendor/modernc.org/libc/honnef.co/go/netdb/README.md b/vendor/modernc.org/libc/honnef.co/go/netdb/README.md
new file mode 100644
index 0000000..6b9feaa
--- /dev/null
+++ b/vendor/modernc.org/libc/honnef.co/go/netdb/README.md
@@ -0,0 +1,12 @@
+# netdb
+
+## Install
+
+```sh
+go get honnef.co/go/netdb
+```
+
+## Documentation
+
+Documentation can be found at
+[godoc.org](http://godoc.org/honnef.co/go/netdb).
diff --git a/vendor/modernc.org/libc/honnef.co/go/netdb/netdb.go b/vendor/modernc.org/libc/honnef.co/go/netdb/netdb.go
new file mode 100644
index 0000000..dae7517
--- /dev/null
+++ b/vendor/modernc.org/libc/honnef.co/go/netdb/netdb.go
@@ -0,0 +1,870 @@
+// Package netdb provides a Go interface for the protoent and servent
+// structures as defined in netdb.h
+//
+// A pure Go implementation is used by parsing /etc/protocols and
+// /etc/services
+//
+// All return values are pointers that point to the entries in the
+// original list of protocols and services. Manipulating the entries
+// would affect the entire program.
+package netdb // import "modernc.org/libc/honnef.co/go/netdb"
+
+// Modifications Copyright 2020 The Libc Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+import (
+	"io/ioutil"
+	"os"
+	"strconv"
+	"strings"
+)
+
+const (
+	protocols = `
+# Internet (IP) protocols
+#
+# Updated from http://www.iana.org/assignments/protocol-numbers and other
+# sources.
+# New protocols will be added on request if they have been officially
+# assigned by IANA and are not historical.
+# If you need a huge list of used numbers please install the nmap package.
+
+ip	0	IP		# internet protocol, pseudo protocol number
+hopopt	0	HOPOPT		# IPv6 Hop-by-Hop Option [RFC1883]
+icmp	1	ICMP		# internet control message protocol
+igmp	2	IGMP		# Internet Group Management
+ggp	3	GGP		# gateway-gateway protocol
+ipencap	4	IP-ENCAP	# IP encapsulated in IP (officially "IP")
+st	5	ST		# ST datagram mode
+tcp	6	TCP		# transmission control protocol
+egp	8	EGP		# exterior gateway protocol
+igp	9	IGP		# any private interior gateway (Cisco)
+pup	12	PUP		# PARC universal packet protocol
+udp	17	UDP		# user datagram protocol
+hmp	20	HMP		# host monitoring protocol
+xns-idp	22	XNS-IDP		# Xerox NS IDP
+rdp	27	RDP		# "reliable datagram" protocol
+iso-tp4	29	ISO-TP4		# ISO Transport Protocol class 4 [RFC905]
+dccp	33	DCCP		# Datagram Congestion Control Prot. [RFC4340]
+xtp	36	XTP		# Xpress Transfer Protocol
+ddp	37	DDP		# Datagram Delivery Protocol
+idpr-cmtp 38	IDPR-CMTP	# IDPR Control Message Transport
+ipv6	41	IPv6		# Internet Protocol, version 6
+ipv6-route 43	IPv6-Route	# Routing Header for IPv6
+ipv6-frag 44	IPv6-Frag	# Fragment Header for IPv6
+idrp	45	IDRP		# Inter-Domain Routing Protocol
+rsvp	46	RSVP		# Reservation Protocol
+gre	47	GRE		# General Routing Encapsulation
+esp	50	IPSEC-ESP	# Encap Security Payload [RFC2406]
+ah	51	IPSEC-AH	# Authentication Header [RFC2402]
+skip	57	SKIP		# SKIP
+ipv6-icmp 58	IPv6-ICMP	# ICMP for IPv6
+ipv6-nonxt 59	IPv6-NoNxt	# No Next Header for IPv6
+ipv6-opts 60	IPv6-Opts	# Destination Options for IPv6
+rspf	73	RSPF CPHB	# Radio Shortest Path First (officially CPHB)
+vmtp	81	VMTP		# Versatile Message Transport
+eigrp	88	EIGRP		# Enhanced Interior Routing Protocol (Cisco)
+ospf	89	OSPFIGP		# Open Shortest Path First IGP
+ax.25	93	AX.25		# AX.25 frames
+ipip	94	IPIP		# IP-within-IP Encapsulation Protocol
+etherip	97	ETHERIP		# Ethernet-within-IP Encapsulation [RFC3378]
+encap	98	ENCAP		# Yet Another IP encapsulation [RFC1241]
+#	99			# any private encryption scheme
+pim	103	PIM		# Protocol Independent Multicast
+ipcomp	108	IPCOMP		# IP Payload Compression Protocol
+vrrp	112	VRRP		# Virtual Router Redundancy Protocol [RFC5798]
+l2tp	115	L2TP		# Layer Two Tunneling Protocol [RFC2661]
+isis	124	ISIS		# IS-IS over IPv4
+sctp	132	SCTP		# Stream Control Transmission Protocol
+fc	133	FC		# Fibre Channel
+mobility-header 135 Mobility-Header # Mobility Support for IPv6 [RFC3775]
+udplite	136	UDPLite		# UDP-Lite [RFC3828]
+mpls-in-ip 137	MPLS-in-IP	# MPLS-in-IP [RFC4023]
+manet	138			# MANET Protocols [RFC5498]
+hip	139	HIP		# Host Identity Protocol
+shim6	140	Shim6		# Shim6 Protocol [RFC5533]
+wesp	141	WESP		# Wrapped Encapsulating Security Payload
+rohc	142	ROHC		# Robust Header Compression
+`
+
+	services = `
+# Network services, Internet style
+#
+# Note that it is presently the policy of IANA to assign a single well-known
+# port number for both TCP and UDP; hence, officially ports have two entries
+# even if the protocol doesn't support UDP operations.
+#
+# Updated from https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml .
+#
+# New ports will be added on request if they have been officially assigned
+# by IANA and used in the real-world or are needed by a debian package.
+# If you need a huge list of used numbers please install the nmap package.
+
+tcpmux		1/tcp				# TCP port service multiplexer
+echo		7/tcp
+echo		7/udp
+discard		9/tcp		sink null
+discard		9/udp		sink null
+systat		11/tcp		users
+daytime		13/tcp
+daytime		13/udp
+netstat		15/tcp
+qotd		17/tcp		quote
+msp		18/tcp				# message send protocol
+msp		18/udp
+chargen		19/tcp		ttytst source
+chargen		19/udp		ttytst source
+ftp-data	20/tcp
+ftp		21/tcp
+fsp		21/udp		fspd
+ssh		22/tcp				# SSH Remote Login Protocol
+telnet		23/tcp
+smtp		25/tcp		mail
+time		37/tcp		timserver
+time		37/udp		timserver
+rlp		39/udp		resource	# resource location
+nameserver	42/tcp		name		# IEN 116
+whois		43/tcp		nicname
+tacacs		49/tcp				# Login Host Protocol (TACACS)
+tacacs		49/udp
+domain		53/tcp				# Domain Name Server
+domain		53/udp
+bootps		67/udp
+bootpc		68/udp
+tftp		69/udp
+gopher		70/tcp				# Internet Gopher
+finger		79/tcp
+http		80/tcp		www		# WorldWideWeb HTTP
+link		87/tcp		ttylink
+kerberos	88/tcp		kerberos5 krb5 kerberos-sec	# Kerberos v5
+kerberos	88/udp		kerberos5 krb5 kerberos-sec	# Kerberos v5
+iso-tsap	102/tcp		tsap		# part of ISODE
+acr-nema	104/tcp		dicom		# Digital Imag. & Comm. 300
+pop3		110/tcp		pop-3		# POP version 3
+sunrpc		111/tcp		portmapper	# RPC 4.0 portmapper
+sunrpc		111/udp		portmapper
+auth		113/tcp		authentication tap ident
+sftp		115/tcp
+nntp		119/tcp		readnews untp	# USENET News Transfer Protocol
+ntp		123/udp				# Network Time Protocol
+epmap		135/tcp		loc-srv		# DCE endpoint resolution
+epmap		135/udp		loc-srv
+netbios-ns	137/tcp				# NETBIOS Name Service
+netbios-ns	137/udp
+netbios-dgm	138/tcp				# NETBIOS Datagram Service
+netbios-dgm	138/udp
+netbios-ssn	139/tcp				# NETBIOS session service
+netbios-ssn	139/udp
+imap2		143/tcp		imap		# Interim Mail Access P 2 and 4
+snmp		161/tcp				# Simple Net Mgmt Protocol
+snmp		161/udp
+snmp-trap	162/tcp		snmptrap	# Traps for SNMP
+snmp-trap	162/udp		snmptrap
+cmip-man	163/tcp				# ISO mgmt over IP (CMOT)
+cmip-man	163/udp
+cmip-agent	164/tcp
+cmip-agent	164/udp
+mailq		174/tcp			# Mailer transport queue for Zmailer
+mailq		174/udp
+xdmcp		177/tcp				# X Display Mgr. Control Proto
+xdmcp		177/udp
+nextstep	178/tcp		NeXTStep NextStep	# NeXTStep window
+nextstep	178/udp		NeXTStep NextStep	#  server
+bgp		179/tcp				# Border Gateway Protocol
+irc		194/tcp				# Internet Relay Chat
+irc		194/udp
+smux		199/tcp				# SNMP Unix Multiplexer
+smux		199/udp
+at-rtmp		201/tcp				# AppleTalk routing
+at-rtmp		201/udp
+at-nbp		202/tcp				# AppleTalk name binding
+at-nbp		202/udp
+at-echo		204/tcp				# AppleTalk echo
+at-echo		204/udp
+at-zis		206/tcp				# AppleTalk zone information
+at-zis		206/udp
+qmtp		209/tcp				# Quick Mail Transfer Protocol
+qmtp		209/udp
+z3950		210/tcp		wais		# NISO Z39.50 database
+z3950		210/udp		wais
+ipx		213/tcp				# IPX
+ipx		213/udp
+ptp-event	319/udp
+ptp-general	320/udp
+pawserv		345/tcp				# Perf Analysis Workbench
+pawserv		345/udp
+zserv		346/tcp				# Zebra server
+zserv		346/udp
+fatserv		347/tcp				# Fatmen Server
+fatserv		347/udp
+rpc2portmap	369/tcp
+rpc2portmap	369/udp				# Coda portmapper
+codaauth2	370/tcp
+codaauth2	370/udp				# Coda authentication server
+clearcase	371/tcp		Clearcase
+clearcase	371/udp		Clearcase
+ulistserv	372/tcp				# UNIX Listserv
+ulistserv	372/udp
+ldap		389/tcp			# Lightweight Directory Access Protocol
+ldap		389/udp
+imsp		406/tcp			# Interactive Mail Support Protocol
+imsp		406/udp
+svrloc		427/tcp				# Server Location
+svrloc		427/udp
+https		443/tcp				# http protocol over TLS/SSL
+snpp		444/tcp				# Simple Network Paging Protocol
+snpp		444/udp
+microsoft-ds	445/tcp				# Microsoft Naked CIFS
+microsoft-ds	445/udp
+kpasswd		464/tcp
+kpasswd		464/udp
+submissions	465/tcp		ssmtp smtps urd # Submission over TLS [RFC8314]
+saft		487/tcp			# Simple Asynchronous File Transfer
+saft		487/udp
+isakmp		500/tcp			# IPsec - Internet Security Association
+isakmp		500/udp			#  and Key Management Protocol
+rtsp		554/tcp			# Real Time Stream Control Protocol
+rtsp		554/udp
+nqs		607/tcp				# Network Queuing system
+nqs		607/udp
+npmp-local	610/tcp		dqs313_qmaster		# npmp-local / DQS
+npmp-local	610/udp		dqs313_qmaster
+npmp-gui	611/tcp		dqs313_execd		# npmp-gui / DQS
+npmp-gui	611/udp		dqs313_execd
+hmmp-ind	612/tcp		dqs313_intercell	# HMMP Indication / DQS
+hmmp-ind	612/udp		dqs313_intercell
+asf-rmcp	623/udp		# ASF Remote Management and Control Protocol
+qmqp		628/tcp
+qmqp		628/udp
+ipp		631/tcp				# Internet Printing Protocol
+ipp		631/udp
+#
+# UNIX specific services
+#
+exec		512/tcp
+biff		512/udp		comsat
+login		513/tcp
+who		513/udp		whod
+shell		514/tcp		cmd		# no passwords used
+syslog		514/udp
+printer		515/tcp		spooler		# line printer spooler
+talk		517/udp
+ntalk		518/udp
+route		520/udp		router routed	# RIP
+timed		525/udp		timeserver
+tempo		526/tcp		newdate
+courier		530/tcp		rpc
+conference	531/tcp		chat
+netnews		532/tcp		readnews
+netwall		533/udp				# for emergency broadcasts
+gdomap		538/tcp				# GNUstep distributed objects
+gdomap		538/udp
+uucp		540/tcp		uucpd		# uucp daemon
+klogin		543/tcp				# Kerberized 'rlogin' (v5)
+kshell		544/tcp		krcmd		# Kerberized 'rsh' (v5)
+dhcpv6-client	546/tcp
+dhcpv6-client	546/udp
+dhcpv6-server	547/tcp
+dhcpv6-server	547/udp
+afpovertcp	548/tcp				# AFP over TCP
+afpovertcp	548/udp
+idfp		549/tcp
+idfp		549/udp
+remotefs	556/tcp		rfs_server rfs	# Brunhoff remote filesystem
+nntps		563/tcp		snntp		# NNTP over SSL
+submission	587/tcp				# Submission [RFC4409]
+ldaps		636/tcp				# LDAP over SSL
+ldaps		636/udp
+tinc		655/tcp				# tinc control port
+tinc		655/udp
+silc		706/tcp
+silc		706/udp
+kerberos-adm	749/tcp				# Kerberos 'kadmin' (v5)
+#
+webster		765/tcp				# Network dictionary
+webster		765/udp
+domain-s	853/tcp				# DNS over TLS [RFC7858]
+domain-s	853/udp				# DNS over DTLS [RFC8094]
+rsync		873/tcp
+ftps-data	989/tcp				# FTP over SSL (data)
+ftps		990/tcp
+telnets		992/tcp				# Telnet over SSL
+imaps		993/tcp				# IMAP over SSL
+pop3s		995/tcp				# POP-3 over SSL
+#
+# From "ssigned Numbers":
+#
+#> The Registered Ports are not controlled by the IANA and on most systems
+#> can be used by ordinary user processes or programs executed by ordinary
+#> users.
+#
+#> Ports are used in the TCP [45,106] to name the ends of logical
+#> connections which carry long term conversations.  For the purpose of
+#> providing services to unknown callers, a service contact port is
+#> defined.  This list specifies the port used by the server process as its
+#> contact port.  While the IANA can not control uses of these ports it
+#> does register or list uses of these ports as a convienence to the
+#> community.
+#
+socks		1080/tcp			# socks proxy server
+socks		1080/udp
+proofd		1093/tcp
+proofd		1093/udp
+rootd		1094/tcp
+rootd		1094/udp
+openvpn		1194/tcp
+openvpn		1194/udp
+rmiregistry	1099/tcp			# Java RMI Registry
+rmiregistry	1099/udp
+kazaa		1214/tcp
+kazaa		1214/udp
+nessus		1241/tcp			# Nessus vulnerability
+nessus		1241/udp			#  assessment scanner
+lotusnote	1352/tcp	lotusnotes	# Lotus Note
+lotusnote	1352/udp	lotusnotes
+ms-sql-s	1433/tcp			# Microsoft SQL Server
+ms-sql-s	1433/udp
+ms-sql-m	1434/tcp			# Microsoft SQL Monitor
+ms-sql-m	1434/udp
+ingreslock	1524/tcp
+ingreslock	1524/udp
+datametrics	1645/tcp	old-radius
+datametrics	1645/udp	old-radius
+sa-msg-port	1646/tcp	old-radacct
+sa-msg-port	1646/udp	old-radacct
+kermit		1649/tcp
+kermit		1649/udp
+groupwise	1677/tcp
+groupwise	1677/udp
+l2f		1701/tcp	l2tp
+l2f		1701/udp	l2tp
+radius		1812/tcp
+radius		1812/udp
+radius-acct	1813/tcp	radacct		# Radius Accounting
+radius-acct	1813/udp	radacct
+msnp		1863/tcp			# MSN Messenger
+msnp		1863/udp
+unix-status	1957/tcp			# remstats unix-status server
+log-server	1958/tcp			# remstats log server
+remoteping	1959/tcp			# remstats remoteping server
+cisco-sccp	2000/tcp			# Cisco SCCP
+cisco-sccp	2000/udp
+search		2010/tcp	ndtp
+pipe-server	2010/tcp	pipe_server
+nfs		2049/tcp			# Network File System
+nfs		2049/udp			# Network File System
+gnunet		2086/tcp
+gnunet		2086/udp
+rtcm-sc104	2101/tcp			# RTCM SC-104 IANA 1/29/99
+rtcm-sc104	2101/udp
+gsigatekeeper	2119/tcp
+gsigatekeeper	2119/udp
+gris		2135/tcp		# Grid Resource Information Server
+gris		2135/udp
+cvspserver	2401/tcp			# CVS client/server operations
+cvspserver	2401/udp
+venus		2430/tcp			# codacon port
+venus		2430/udp			# Venus callback/wbc interface
+venus-se	2431/tcp			# tcp side effects
+venus-se	2431/udp			# udp sftp side effect
+codasrv		2432/tcp			# not used
+codasrv		2432/udp			# server port
+codasrv-se	2433/tcp			# tcp side effects
+codasrv-se	2433/udp			# udp sftp side effect
+mon		2583/tcp			# MON traps
+mon		2583/udp
+dict		2628/tcp			# Dictionary server
+dict		2628/udp
+f5-globalsite	2792/tcp
+f5-globalsite	2792/udp
+gsiftp		2811/tcp
+gsiftp		2811/udp
+gpsd		2947/tcp
+gpsd		2947/udp
+gds-db		3050/tcp	gds_db		# InterBase server
+gds-db		3050/udp	gds_db
+icpv2		3130/tcp	icp		# Internet Cache Protocol
+icpv2		3130/udp	icp
+isns		3205/tcp			# iSNS Server Port
+isns		3205/udp			# iSNS Server Port
+iscsi-target	3260/tcp
+mysql		3306/tcp
+mysql		3306/udp
+nut		3493/tcp			# Network UPS Tools
+nut		3493/udp
+distcc		3632/tcp			# distributed compiler
+distcc		3632/udp
+daap		3689/tcp			# Digital Audio Access Protocol
+daap		3689/udp
+svn		3690/tcp	subversion	# Subversion protocol
+svn		3690/udp	subversion
+suucp		4031/tcp			# UUCP over SSL
+suucp		4031/udp
+sysrqd		4094/tcp			# sysrq daemon
+sysrqd		4094/udp
+sieve		4190/tcp			# ManageSieve Protocol
+epmd		4369/tcp			# Erlang Port Mapper Daemon
+epmd		4369/udp
+remctl		4373/tcp		# Remote Authenticated Command Service
+remctl		4373/udp
+f5-iquery	4353/tcp			# F5 iQuery
+f5-iquery	4353/udp
+ipsec-nat-t	4500/udp			# IPsec NAT-Traversal [RFC3947]
+iax		4569/tcp			# Inter-Asterisk eXchange
+iax		4569/udp
+mtn		4691/tcp			# monotone Netsync Protocol
+mtn		4691/udp
+radmin-port	4899/tcp			# RAdmin Port
+radmin-port	4899/udp
+rfe		5002/udp			# Radio Free Ethernet
+rfe		5002/tcp
+mmcc		5050/tcp	# multimedia conference control tool (Yahoo IM)
+mmcc		5050/udp
+sip		5060/tcp			# Session Initiation Protocol
+sip		5060/udp
+sip-tls		5061/tcp
+sip-tls		5061/udp
+aol		5190/tcp			# AIM
+aol		5190/udp
+xmpp-client	5222/tcp	jabber-client	# Jabber Client Connection
+xmpp-client	5222/udp	jabber-client
+xmpp-server	5269/tcp	jabber-server	# Jabber Server Connection
+xmpp-server	5269/udp	jabber-server
+cfengine	5308/tcp
+cfengine	5308/udp
+mdns		5353/tcp			# Multicast DNS
+mdns		5353/udp
+postgresql	5432/tcp	postgres	# PostgreSQL Database
+postgresql	5432/udp	postgres
+freeciv		5556/tcp	rptp		# Freeciv gameplay
+freeciv		5556/udp
+amqps		5671/tcp			# AMQP protocol over TLS/SSL
+amqp		5672/tcp
+amqp		5672/udp
+amqp		5672/sctp
+ggz		5688/tcp			# GGZ Gaming Zone
+ggz		5688/udp
+x11		6000/tcp	x11-0		# X Window System
+x11		6000/udp	x11-0
+x11-1		6001/tcp
+x11-1		6001/udp
+x11-2		6002/tcp
+x11-2		6002/udp
+x11-3		6003/tcp
+x11-3		6003/udp
+x11-4		6004/tcp
+x11-4		6004/udp
+x11-5		6005/tcp
+x11-5		6005/udp
+x11-6		6006/tcp
+x11-6		6006/udp
+x11-7		6007/tcp
+x11-7		6007/udp
+gnutella-svc	6346/tcp			# gnutella
+gnutella-svc	6346/udp
+gnutella-rtr	6347/tcp			# gnutella
+gnutella-rtr	6347/udp
+sge-qmaster	6444/tcp	sge_qmaster	# Grid Engine Qmaster Service
+sge-qmaster	6444/udp	sge_qmaster
+sge-execd	6445/tcp	sge_execd	# Grid Engine Execution Service
+sge-execd	6445/udp	sge_execd
+mysql-proxy	6446/tcp			# MySQL Proxy
+mysql-proxy	6446/udp
+babel		6696/udp			# Babel Routing Protocol
+ircs-u		6697/tcp		# Internet Relay Chat via TLS/SSL
+afs3-fileserver 7000/tcp	bbs		# file server itself
+afs3-fileserver 7000/udp	bbs
+afs3-callback	7001/tcp			# callbacks to cache managers
+afs3-callback	7001/udp
+afs3-prserver	7002/tcp			# users & groups database
+afs3-prserver	7002/udp
+afs3-vlserver	7003/tcp			# volume location database
+afs3-vlserver	7003/udp
+afs3-kaserver	7004/tcp			# AFS/Kerberos authentication
+afs3-kaserver	7004/udp
+afs3-volser	7005/tcp			# volume managment server
+afs3-volser	7005/udp
+afs3-errors	7006/tcp			# error interpretation service
+afs3-errors	7006/udp
+afs3-bos	7007/tcp			# basic overseer process
+afs3-bos	7007/udp
+afs3-update	7008/tcp			# server-to-server updater
+afs3-update	7008/udp
+afs3-rmtsys	7009/tcp			# remote cache manager service
+afs3-rmtsys	7009/udp
+font-service	7100/tcp	xfs		# X Font Service
+font-service	7100/udp	xfs
+http-alt	8080/tcp	webcache	# WWW caching service
+http-alt	8080/udp
+puppet		8140/tcp			# The Puppet master service
+bacula-dir	9101/tcp			# Bacula Director
+bacula-dir	9101/udp
+bacula-fd	9102/tcp			# Bacula File Daemon
+bacula-fd	9102/udp
+bacula-sd	9103/tcp			# Bacula Storage Daemon
+bacula-sd	9103/udp
+xmms2		9667/tcp	# Cross-platform Music Multiplexing System
+xmms2		9667/udp
+nbd		10809/tcp			# Linux Network Block Device
+zabbix-agent	10050/tcp			# Zabbix Agent
+zabbix-agent	10050/udp
+zabbix-trapper	10051/tcp			# Zabbix Trapper
+zabbix-trapper	10051/udp
+amanda		10080/tcp			# amanda backup services
+amanda		10080/udp
+dicom		11112/tcp
+hkp		11371/tcp			# OpenPGP HTTP Keyserver
+hkp		11371/udp
+bprd		13720/tcp			# VERITAS NetBackup
+bprd		13720/udp
+bpdbm		13721/tcp			# VERITAS NetBackup
+bpdbm		13721/udp
+bpjava-msvc	13722/tcp			# BP Java MSVC Protocol
+bpjava-msvc	13722/udp
+vnetd		13724/tcp			# Veritas Network Utility
+vnetd		13724/udp
+bpcd		13782/tcp			# VERITAS NetBackup
+bpcd		13782/udp
+vopied		13783/tcp			# VERITAS NetBackup
+vopied		13783/udp
+db-lsp		17500/tcp			# Dropbox LanSync Protocol
+dcap		22125/tcp			# dCache Access Protocol
+gsidcap		22128/tcp			# GSI dCache Access Protocol
+wnn6		22273/tcp			# wnn6
+wnn6		22273/udp
+
+#
+# Datagram Delivery Protocol services
+#
+rtmp		1/ddp			# Routing Table Maintenance Protocol
+nbp		2/ddp			# Name Binding Protocol
+echo		4/ddp			# AppleTalk Echo Protocol
+zip		6/ddp			# Zone Information Protocol
+
+#=========================================================================
+# The remaining port numbers are not as allocated by IANA.
+#=========================================================================
+
+# Kerberos (Project Athena/MIT) services
+# Note that these are for Kerberos v4, and are unofficial.  Sites running
+# v4 should uncomment these and comment out the v5 entries above.
+#
+kerberos4	750/udp		kerberos-iv kdc	# Kerberos (server)
+kerberos4	750/tcp		kerberos-iv kdc
+kerberos-master	751/udp		kerberos_master	# Kerberos authentication
+kerberos-master	751/tcp
+passwd-server	752/udp		passwd_server	# Kerberos passwd server
+krb-prop	754/tcp		krb_prop krb5_prop hprop # Kerberos slave propagation
+krbupdate	760/tcp		kreg		# Kerberos registration
+swat		901/tcp				# swat
+kpop		1109/tcp			# Pop with Kerberos
+knetd		2053/tcp			# Kerberos de-multiplexor
+zephyr-srv	2102/udp			# Zephyr server
+zephyr-clt	2103/udp			# Zephyr serv-hm connection
+zephyr-hm	2104/udp			# Zephyr hostmanager
+eklogin		2105/tcp			# Kerberos encrypted rlogin
+# Hmmm. Are we using Kv4 or Kv5 now? Worrying.
+# The following is probably Kerberos v5  --- ajt@debian.org (11/02/2000)
+kx		2111/tcp			# X over Kerberos
+iprop		2121/tcp			# incremental propagation
+#
+# Unofficial but necessary (for NetBSD) services
+#
+supfilesrv	871/tcp				# SUP server
+supfiledbg	1127/tcp			# SUP debugging
+
+#
+# Services added for the Debian GNU/Linux distribution
+#
+poppassd	106/tcp				# Eudora
+poppassd	106/udp
+moira-db	775/tcp		moira_db	# Moira database
+moira-update	777/tcp		moira_update	# Moira update protocol
+moira-ureg	779/udp		moira_ureg	# Moira user registration
+spamd		783/tcp				# spamassassin daemon
+omirr		808/tcp		omirrd		# online mirror
+omirr		808/udp		omirrd
+customs		1001/tcp			# pmake customs server
+customs		1001/udp
+skkserv		1178/tcp			# skk jisho server port
+predict		1210/udp			# predict -- satellite tracking
+rmtcfg		1236/tcp			# Gracilis Packeten remote config server
+wipld		1300/tcp			# Wipl network monitor
+xtel		1313/tcp			# french minitel
+xtelw		1314/tcp			# french minitel
+support		1529/tcp			# GNATS
+cfinger		2003/tcp			# GNU Finger
+frox		2121/tcp			# frox: caching ftp proxy
+ninstall	2150/tcp			# ninstall service
+ninstall	2150/udp
+zebrasrv	2600/tcp			# zebra service
+zebra		2601/tcp			# zebra vty
+ripd		2602/tcp			# ripd vty (zebra)
+ripngd		2603/tcp			# ripngd vty (zebra)
+ospfd		2604/tcp			# ospfd vty (zebra)
+bgpd		2605/tcp			# bgpd vty (zebra)
+ospf6d		2606/tcp			# ospf6d vty (zebra)
+ospfapi		2607/tcp			# OSPF-API
+isisd		2608/tcp			# ISISd vty (zebra)
+afbackup	2988/tcp			# Afbackup system
+afbackup	2988/udp
+afmbackup	2989/tcp			# Afmbackup system
+afmbackup	2989/udp
+xtell		4224/tcp			# xtell server
+fax		4557/tcp			# FAX transmission service (old)
+hylafax		4559/tcp			# HylaFAX client-server protocol (new)
+distmp3		4600/tcp			# distmp3host daemon
+munin		4949/tcp	lrrd		# Munin
+enbd-cstatd	5051/tcp			# ENBD client statd
+enbd-sstatd	5052/tcp			# ENBD server statd
+pcrd		5151/tcp			# PCR-1000 Daemon
+noclog		5354/tcp			# noclogd with TCP (nocol)
+noclog		5354/udp			# noclogd with UDP (nocol)
+hostmon		5355/tcp			# hostmon uses TCP (nocol)
+hostmon		5355/udp			# hostmon uses UDP (nocol)
+rplay		5555/udp			# RPlay audio service
+nrpe		5666/tcp			# Nagios Remote Plugin Executor
+nsca		5667/tcp			# Nagios Agent - NSCA
+mrtd		5674/tcp			# MRT Routing Daemon
+bgpsim		5675/tcp			# MRT Routing Simulator
+canna		5680/tcp			# cannaserver
+syslog-tls	6514/tcp			# Syslog over TLS [RFC5425]
+sane-port	6566/tcp	sane saned	# SANE network scanner daemon
+ircd		6667/tcp			# Internet Relay Chat
+zope-ftp	8021/tcp			# zope management by ftp
+tproxy		8081/tcp			# Transparent Proxy
+omniorb		8088/tcp			# OmniORB
+omniorb		8088/udp
+clc-build-daemon 8990/tcp			# Common lisp build daemon
+xinetd		9098/tcp
+mandelspawn	9359/udp	mandelbrot	# network mandelbrot
+git		9418/tcp			# Git Version Control System
+zope		9673/tcp			# zope server
+webmin		10000/tcp
+kamanda		10081/tcp			# amanda backup services (Kerberos)
+kamanda		10081/udp
+amandaidx	10082/tcp			# amanda backup services
+amidxtape	10083/tcp			# amanda backup services
+smsqp		11201/tcp			# Alamin SMS gateway
+smsqp		11201/udp
+xpilot		15345/tcp			# XPilot Contact Port
+xpilot		15345/udp
+sgi-cmsd	17001/udp		# Cluster membership services daemon
+sgi-crsd	17002/udp
+sgi-gcd		17003/udp			# SGI Group membership daemon
+sgi-cad		17004/tcp			# Cluster Admin daemon
+isdnlog		20011/tcp			# isdn logging system
+isdnlog		20011/udp
+vboxd		20012/tcp			# voice box system
+vboxd		20012/udp
+binkp		24554/tcp			# binkp fidonet protocol
+asp		27374/tcp			# Address Search Protocol
+asp		27374/udp
+csync2		30865/tcp			# cluster synchronization tool
+dircproxy	57000/tcp			# Detachable IRC Proxy
+tfido		60177/tcp			# fidonet EMSI over telnet
+fido		60179/tcp			# fidonet EMSI over TCP
+
+# Local services
+`
+)
+
+type Protoent struct {
+	Name    string
+	Aliases []string
+	Number  int
+}
+
+type Servent struct {
+	Name     string
+	Aliases  []string
+	Port     int
+	Protocol *Protoent
+}
+
+// These variables get populated from /etc/protocols and /etc/services
+// respectively.
+var (
+	Protocols []*Protoent
+	Services  []*Servent
+)
+
+func init() {
+	protoMap := make(map[string]*Protoent)
+
+	// Load protocols
+	data, err := ioutil.ReadFile("/etc/protocols")
+	if err != nil {
+		if !os.IsNotExist(err) {
+			panic(err)
+		}
+
+		data = []byte(protocols)
+	}
+
+	for _, line := range strings.Split(string(data), "\n") {
+		line = strings.TrimSpace(line)
+		split := strings.SplitN(line, "#", 2)
+		fields := strings.Fields(split[0])
+		if len(fields) < 2 {
+			continue
+		}
+
+		num, err := strconv.ParseInt(fields[1], 10, 32)
+		if err != nil {
+			// If we find lines that don't match the expected format we skip over them.
+			// The expected format is <protocol> <number> <aliases> ...
+			// As we're using strings.Fields for splitting the line, failures can happen if the protocol field contains white spaces.
+			continue
+		}
+
+		protoent := &Protoent{
+			Name:    fields[0],
+			Aliases: fields[2:],
+			Number:  int(num),
+		}
+		Protocols = append(Protocols, protoent)
+
+		protoMap[fields[0]] = protoent
+	}
+
+	// Load services
+	data, err = ioutil.ReadFile("/etc/services")
+	if err != nil {
+		if !os.IsNotExist(err) {
+			panic(err)
+		}
+
+		data = []byte(services)
+	}
+
+	for _, line := range strings.Split(string(data), "\n") {
+		line = strings.TrimSpace(line)
+		split := strings.SplitN(line, "#", 2)
+		fields := strings.Fields(split[0])
+		if len(fields) < 2 {
+			continue
+		}
+
+		// https://gitlab.com/cznic/libc/-/issues/25
+		if strings.Index(fields[1], "/") < 0 {
+			continue
+		}
+
+		name := fields[0]
+		portproto := strings.SplitN(fields[1], "/", 2)
+		port, err := strconv.ParseInt(portproto[0], 10, 32)
+		if err != nil {
+			// If we find lines that don't match the expected format we skip over them.
+			// The expected format is <service-name> <port>/<protocol> [aliases ...]
+			// As we're using strings.Fields for splitting the line, failures can happen if the service name field contains white spaces.
+			continue
+		}
+
+		proto := portproto[1]
+		aliases := fields[2:]
+
+		Services = append(Services, &Servent{
+			Name:     name,
+			Aliases:  aliases,
+			Port:     int(port),
+			Protocol: protoMap[proto],
+		})
+	}
+}
+
+// Equal checks if two Protoents are the same, which is the case if
+// their protocol numbers are identical or when both Protoents are
+// nil.
+func (this *Protoent) Equal(other *Protoent) bool {
+	if this == nil && other == nil {
+		return true
+	}
+
+	if this == nil || other == nil {
+		return false
+	}
+
+	return this.Number == other.Number
+}
+
+// Equal checks if two Servents are the same, which is the case if
+// their port numbers and protocols are identical or when both
+// Servents are nil.
+func (this *Servent) Equal(other *Servent) bool {
+	if this == nil && other == nil {
+		return true
+	}
+
+	if this == nil || other == nil {
+		return false
+	}
+
+	return this.Port == other.Port &&
+		this.Protocol.Equal(other.Protocol)
+}
+
+// GetProtoByNumber returns the Protoent for a given protocol number.
+func GetProtoByNumber(num int) (protoent *Protoent) {
+	for _, protoent := range Protocols {
+		if protoent.Number == num {
+			return protoent
+		}
+	}
+	return nil
+}
+
+// GetProtoByName returns the Protoent whose name or any of its
+// aliases matches the argument.
+func GetProtoByName(name string) (protoent *Protoent) {
+	for _, protoent := range Protocols {
+		if protoent.Name == name {
+			return protoent
+		}
+
+		for _, alias := range protoent.Aliases {
+			if alias == name {
+				return protoent
+			}
+		}
+	}
+
+	return nil
+}
+
+// GetServByName returns the Servent for a given service name or alias
+// and protocol. If the protocol is nil, the first service matching
+// the service name is returned.
+func GetServByName(name string, protocol *Protoent) (servent *Servent) {
+	for _, servent := range Services {
+		if !servent.Protocol.Equal(protocol) {
+			continue
+		}
+
+		if servent.Name == name {
+			return servent
+		}
+
+		for _, alias := range servent.Aliases {
+			if alias == name {
+				return servent
+			}
+		}
+	}
+
+	return nil
+}
+
+// GetServByPort returns the Servent for a given port number and
+// protocol. If the protocol is nil, the first service matching the
+// port number is returned.
+func GetServByPort(port int, protocol *Protoent) *Servent {
+	for _, servent := range Services {
+		if servent.Port == port && servent.Protocol.Equal(protocol) {
+			return servent
+		}
+	}
+
+	return nil
+}