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envoid/vendor/modernc.org/libc/honnef.co/go/netdb/netdb.go
Sagi Dayan 2ca1e7826a
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Initial commit 
Signed-off-by: Sagi Dayan <sagidayan@gmail.com>
2024-12-12 19:53:28 +02:00

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// 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
}
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