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Tom Thorogood 25cacca8ca Prohibit newlines before record data in the ZoneParser (#979)
* Merge setRR into ZoneParser.Next

* Remove file argument from RR.parse

This was only used to fill in the ParseError file field. Instead we now
fill in that field in ZoneParser.Next.

* Move dynamic update check out of RR.parse

This consolidates all the dynamic update checks into one place.

* Check for unexpected newline before parsing RR data

* Move rr.parse call into if-statement

* Allow dynamic updates for TKEY and RFC3597 records

* Document that ParseError file field is unset from parse

* Inline allowDynamicUpdate into ZoneParser.Next

* Improve and simplify TestUnexpectedNewline
2019-06-10 07:38:54 +01:00
dnsutil util.TrimDomainName() fails when origin doesn't end in dot (#559) 2017-11-08 18:19:10 +00:00
vendor/golang.org/x Update deps (#981) 2019-06-06 07:36:43 +01:00
.codecov.yml Add codecov yaml to not fail the build (#600) 2017-12-06 10:36:23 +00:00
.gitignore gitignore update 2013-10-15 13:22:35 +00:00
.travis.yml Add go1.12 to Travis CI (#915) 2019-02-28 06:29:30 +00:00
AUTHORS add AUTHOR file 2014-02-10 17:15:49 +00:00
CONTRIBUTORS Correctly set the Source IP to the received Destination IP (#524) 2017-09-29 10:38:26 +01:00
COPYRIGHT Remove all copyright notices 2014-09-11 20:57:37 +01:00
Gopkg.lock Update deps (#981) 2019-06-06 07:36:43 +01:00
Gopkg.toml Run dep ensure -update (#770) 2018-10-05 18:29:45 +01:00
LICENSE Update the copy right for the original GO files 2013-05-12 16:07:06 +02:00
Makefile.fuzz Add fuzzing framework (#580) 2017-11-23 09:34:31 +00:00
Makefile.release Release: plain push is also needed 2018-01-10 08:17:22 +00:00
README.md Add github.com/folbricht/routedns to users list (#984) 2019-06-10 07:35:38 +01:00
acceptfunc.go ignore Z flag in queries, clear Z flag in automatic replies (#976) 2019-05-23 20:54:24 +01:00
acceptfunc_test.go RFC 1996 allows SOA in answer in notify (#900) 2019-01-12 10:11:11 +00:00
client.go Handle all net.Conn connections correctly (#957) 2019-05-22 14:38:57 +01:00
client_test.go Prevent timeout in TestConcurrentExchanges (#862) 2018-12-04 07:29:08 +00:00
clientconfig.go Use for range loops instead of manual for loops (#937) 2019-03-18 07:06:44 +00:00
clientconfig_test.go fix: panicing on options parsing. (#642) 2018-03-01 06:22:09 -08:00
dane.go Improve performance by addressing some low hanging fruit. (#444) 2017-02-02 07:33:49 +00:00
defaults.go Add a message truncation implementation (#854) 2019-03-24 09:20:11 +00:00
dns.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
dns_bench_test.go ZoneParser: error on parsing an IPv6 address in an A record (#923) 2019-03-09 09:02:18 +00:00
dns_test.go Properly calculate compressed message lengths (#833) 2018-11-30 10:03:41 +10:30
dnssec.go Remove DSA* algorithms (#972) 2019-05-20 20:49:02 +01:00
dnssec_keygen.go Remove DSA* algorithms (#972) 2019-05-20 20:49:02 +01:00
dnssec_keyscan.go Remove DSA* algorithms (#972) 2019-05-20 20:49:02 +01:00
dnssec_privkey.go Use new(big.Int) instead of big.NewInt(0) (#938) 2019-03-13 07:36:34 +00:00
dnssec_test.go Eliminate lexer goroutines (#792) 2018-10-15 17:42:31 +10:30
doc.go doc: Clean up README and doc.go (#817) 2018-11-27 14:39:19 +00:00
duplicate.go Fixed a misspelling. (#906) 2019-02-01 16:34:24 +00:00
duplicate_generate.go Fixed a misspelling. (#906) 2019-02-01 16:34:24 +00:00
duplicate_test.go Use an interface method for IsDuplicate (#883) 2019-01-06 14:42:38 +10:30
dyn_test.go Remove all copyright notices 2014-09-11 20:57:37 +01:00
edns.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
edns_test.go Use copy instead of loop in EDNS0_SUBNET.unpack (#825) 2018-11-27 14:32:41 +00:00
example_test.go fix a stupid mistake "undefined: zone" 2015-09-30 09:42:47 -07:00
format.go Add checks on data length for A and AAAA records (#919) 2019-03-12 16:31:33 +00:00
format_test.go Add checks on data length for A and AAAA records (#919) 2019-03-12 16:31:33 +00:00
fuzz.go Add fuzzing framework (#580) 2017-11-23 09:34:31 +00:00
fuzz_test.go [nsec3] fix crash in nsec3 packing (#973) 2019-05-21 07:27:24 +01:00
generate.go Add new ZoneParser API (#794) 2018-10-20 11:47:56 +10:30
generate_test.go Add new ZoneParser API (#794) 2018-10-20 11:47:56 +10:30
issue_test.go Tests updates (#556) 2017-11-08 10:01:19 +00:00
labels.go Use for range loops instead of manual for loops (#937) 2019-03-18 07:06:44 +00:00
labels_test.go Test for escaped dots in IsFqdn (#896) 2019-01-06 14:55:21 +10:30
leak_test.go Revert doh (#800) 2018-11-01 20:16:39 +00:00
length_test.go Reduce compression memory use with map[string]uint16 (#852) 2018-12-02 08:50:51 +10:30
listen_go111.go Use correct build constraints for listen_*.go files (#750) 2018-09-26 09:12:54 +01:00
listen_go_not111.go Use correct build constraints for listen_*.go files (#750) 2018-09-26 09:12:54 +01:00
msg.go Use for range loops instead of manual for loops (#937) 2019-03-18 07:06:44 +00:00
msg_generate.go Move RR header packing out of generated code (#885) 2019-01-04 10:09:14 +10:30
msg_helpers.go [nsec3] fix crash in nsec3 packing (#973) 2019-05-21 07:27:24 +01:00
msg_helpers_test.go Fix unpackString bug: 127 DEL is unprintable (#755) 2018-09-27 07:47:48 +01:00
msg_test.go Run gofmt -w -s (#971) 2019-05-20 07:44:53 +01:00
msg_truncate.go Remove the word Scrub (#961) 2019-05-03 08:25:00 +01:00
msg_truncate_test.go Add a message truncation implementation (#854) 2019-03-24 09:20:11 +00:00
nsecx.go Hoist SHA1 check in HashName 2018-11-29 10:44:01 +10:30
nsecx_test.go Add a HashName benchmark 2018-11-29 10:28:29 +10:30
parse_test.go Remove DSA* algorithms (#972) 2019-05-20 20:49:02 +01:00
privaterr.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
privaterr_test.go Test: remove all Logf/Log (#547) 2017-11-03 15:50:01 +00:00
remote_test.go Add remote test 2015-08-22 10:50:07 +01:00
reverse.go Move all reversed map creation into reverse.go (#889) 2019-01-04 08:10:15 +00:00
rr_test.go Eliminate lexer goroutines (#792) 2018-10-15 17:42:31 +10:30
sanitize.go Avoid calling RR.Header more than once per RR (#891) 2019-01-04 08:12:32 +00:00
sanitize_test.go Tests updates (#556) 2017-11-08 10:01:19 +00:00
scan.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
scan_rr.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
scan_test.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
serve_mux.go Rework and optimise ServeMux (#754) 2018-09-27 07:48:02 +01:00
serve_mux_test.go Rework and optimise ServeMux (#754) 2018-09-27 07:48:02 +01:00
server.go ignore Z flag in queries, clear Z flag in automatic replies (#976) 2019-05-23 20:54:24 +01:00
server_test.go ignore Z flag in queries, clear Z flag in automatic replies (#976) 2019-05-23 20:54:24 +01:00
sig0.go Use new(big.Int) instead of big.NewInt(0) (#938) 2019-03-13 07:36:34 +00:00
sig0_test.go Lowercase all error msg from the tests 2015-11-26 14:12:38 +00:00
singleinflight.go Prevent timeout in TestConcurrentExchanges (#862) 2018-12-04 07:29:08 +00:00
smimea.go Simplify and unify various returns (#893) 2019-01-04 10:19:42 +00:00
tlsa.go Simplify and unify various returns (#893) 2019-01-04 10:19:42 +00:00
tsig.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
tsig_test.go Remove pointless casts (#895) 2019-01-04 10:30:55 +00:00
types.go Prohibit newlines before record data in the ZoneParser (#979) 2019-06-10 07:38:54 +01:00
types_generate.go Fix dns:"hex" field len being off-by-one (#959) 2019-04-30 09:14:07 +01:00
types_test.go Fix String formatting of RP record (#914) 2019-02-28 06:28:44 +00:00
udp.go Rollback PR #738 because it breaks compatibility with Windows (#765) 2018-09-29 10:25:59 +01:00
udp_test.go Rollback PR #738 because it breaks compatibility with Windows (#765) 2018-09-29 10:25:59 +01:00
udp_windows.go Simplify and unify various returns (#893) 2019-01-04 10:19:42 +00:00
update.go Avoid calling RR.Header more than once per RR (#891) 2019-01-04 08:12:32 +00:00
update_test.go ClassANY: don't convert CLASS255 to ANY (#618) 2018-01-07 17:57:04 +00:00
version.go Release 1.1.13 2019-05-27 15:48:50 +01:00
version_test.go Add semver (#595) 2017-12-06 09:46:54 +00:00
xfr.go Set TSIG on Transfer Out (#939) 2019-05-12 09:15:21 +01:00
xfr_test.go Set TSIG on Transfer Out (#939) 2019-05-12 09:15:21 +01:00
zduplicate.go Fixed a misspelling. (#906) 2019-02-01 16:34:24 +00:00
zmsg.go Move RR header packing out of generated code (#885) 2019-01-04 10:09:14 +10:30
ztypes.go Fix dns:"hex" field len being off-by-one (#959) 2019-04-30 09:14:07 +01:00

README.md

Build Status Code Coverage Go Report Card

Alternative (more granular) approach to a DNS library

Less is more.

Complete and usable DNS library. All Resource Records are supported, including the DNSSEC types. It follows a lean and mean philosophy. If there is stuff you should know as a DNS programmer there isn't a convenience function for it. Server side and client side programming is supported, i.e. you can build servers and resolvers with it.

We try to keep the "master" branch as sane as possible and at the bleeding edge of standards, avoiding breaking changes wherever reasonable. We support the last two versions of Go.

Goals

  • KISS;
  • Fast;
  • Small API. If it's easy to code in Go, don't make a function for it.

Users

A not-so-up-to-date-list-that-may-be-actually-current:

Send pull request if you want to be listed here.

Features

  • UDP/TCP queries, IPv4 and IPv6
  • RFC 1035 zone file parsing ($INCLUDE, $ORIGIN, $TTL and $GENERATE (for all record types) are supported
  • Fast
  • Server side programming (mimicking the net/http package)
  • Client side programming
  • DNSSEC: signing, validating and key generation for DSA, RSA, ECDSA and Ed25519
  • EDNS0, NSID, Cookies
  • AXFR/IXFR
  • TSIG, SIG(0)
  • DNS over TLS (DoT): encrypted connection between client and server over TCP
  • DNS name compression

Have fun!

Miek Gieben - 2010-2012 - miek@miek.nl DNS Authors 2012-

Building

Building is done with the go tool. If you have setup your GOPATH correctly, the following should work:

go get github.com/miekg/dns
go build github.com/miekg/dns

Examples

A short "how to use the API" is at the beginning of doc.go (this also will show when you call godoc github.com/miekg/dns).

Example programs can be found in the github.com/miekg/exdns repository.

Supported RFCs

all of them

  • 103{4,5} - DNS standard
  • 1348 - NSAP record (removed the record)
  • 1982 - Serial Arithmetic
  • 1876 - LOC record
  • 1995 - IXFR
  • 1996 - DNS notify
  • 2136 - DNS Update (dynamic updates)
  • 2181 - RRset definition - there is no RRset type though, just []RR
  • 2537 - RSAMD5 DNS keys
  • 2065 - DNSSEC (updated in later RFCs)
  • 2671 - EDNS record
  • 2782 - SRV record
  • 2845 - TSIG record
  • 2915 - NAPTR record
  • 2929 - DNS IANA Considerations
  • 3110 - RSASHA1 DNS keys
  • 3225 - DO bit (DNSSEC OK)
  • 340{1,2,3} - NAPTR record
  • 3445 - Limiting the scope of (DNS)KEY
  • 3597 - Unknown RRs
  • 403{3,4,5} - DNSSEC + validation functions
  • 4255 - SSHFP record
  • 4343 - Case insensitivity
  • 4408 - SPF record
  • 4509 - SHA256 Hash in DS
  • 4592 - Wildcards in the DNS
  • 4635 - HMAC SHA TSIG
  • 4701 - DHCID
  • 4892 - id.server
  • 5001 - NSID
  • 5155 - NSEC3 record
  • 5205 - HIP record
  • 5702 - SHA2 in the DNS
  • 5936 - AXFR
  • 5966 - TCP implementation recommendations
  • 6605 - ECDSA
  • 6725 - IANA Registry Update
  • 6742 - ILNP DNS
  • 6840 - Clarifications and Implementation Notes for DNS Security
  • 6844 - CAA record
  • 6891 - EDNS0 update
  • 6895 - DNS IANA considerations
  • 6944 - DNSSEC DNSKEY Algorithm Status
  • 6975 - Algorithm Understanding in DNSSEC
  • 7043 - EUI48/EUI64 records
  • 7314 - DNS (EDNS) EXPIRE Option
  • 7477 - CSYNC RR
  • 7828 - edns-tcp-keepalive EDNS0 Option
  • 7553 - URI record
  • 7858 - DNS over TLS: Initiation and Performance Considerations
  • 7871 - EDNS0 Client Subnet
  • 7873 - Domain Name System (DNS) Cookies
  • 8080 - EdDSA for DNSSEC
  • 8499 - DNS Terminology

Loosely Based Upon