* Use for range loops instead of manual loops
* Use for range loop in Msg.CopyTo
This is a separate commit as the change is slightly more than just
switching the loop style.
* Use for range loop in DNSKEY.publicKeyRSA
* Add explen comment to DNSKEY.publicKeyRSA
* Eliminate Variable bool from parserFunc
Instead we now check whether the last token read from the zlexer was
a zNewline or zEOF. The error check above should be tripped for any
record that ends prematurely.
* Use an interface method for parsing zone file records
* Prevent panic in TestOmittedTTL if no regexp match
* Move slurpRemainder into fixed length parse functions
This is consistent with the original logic in setRR and avoids potential
edge cases.
* Parse synthetic records according to RFC 3597
These records lack a presentation format and cannot be parsed otherwise.
This behaviour is consistent with how this previously operated.
Sorely missing from this library. Add it. As there is no presentation
format the String method for this type puts a comment in front of it.
Signed-off-by: Miek Gieben <miek@miek.nl>
* Simplify TKEY presentation format
Just put add ";" in front of it, instead of the whole pseudo option
text.
Fixes#855
Signed-off-by: Miek Gieben <miek@miek.nl>
* Add more fields to presentation format - convert time using the RRSIG routines
Signed-off-by: Miek Gieben <miek@miek.nl>
* Stop compressing names in RT records
Although RFC 1183 allows names in the RT record to be compressed with:
"The concrete encoding is identical to the MX RR."
RFC 3597 specifically prohibits compressing names in any record not
defined in RFC 1035.
* Add comment to RT struct regarding compression
* Remove fullSize return from compressionLenSearch
This wasn't used anywhere but TestCompressionLenSearch, and was very
wrong.
* Add generated compressedLen functions and use them
This replaces the confusing and complicated compressionLenSlice
function.
* Use compressedLenWithCompressionMap even for uncompressed
This leaves the len() functions unused and they'll soon be removed.
This also fixes the off-by-one error of compressedLen when a (Q)NAME
is ".".
* Use Len helper instead of RR.len private method
* Merge len and compressedLen functions
* Merge compressedLen helper into Msg.Len
* Remove compress bool from compressedLenWithCompressionMap
* Merge map insertion into compressionLenSearch
This eliminates the need to loop over the domain name twice when we're
compressing the name.
* Use compressedNameLen for NSEC.NextDomain
This was a mistake.
* Remove compress from RR.len
* Add test case for multiple questions length
* Add test case for MINFO and SOA compression
These are the only RRs with multiple compressible names within the same
RR, and they were previously broken.
* Rename compressedNameLen to domainNameLen
It also handles the length of uncompressed domain names.
* Use off directly instead of len(s[:off])
* Move initial maxCompressionOffset check out of compressionLenMapInsert
This should allow us to avoid the call overhead of
compressionLenMapInsert in certain limited cases and may result in a
slight performance increase.
compressionLenMapInsert still has a maxCompressionOffset check inside
the for loop.
* Rename compressedLenWithCompressionMap to msgLenWithCompressionMap
This better reflects that it also calculates the uncompressed length.
* Merge TestMsgCompressMINFO with TestMsgCompressSOA
They're both testing the same thing.
* Remove compressionLenMapInsert
compressionLenSearch does everything compressionLenMapInsert did anyway.
* Only call compressionLenSearch in one place in domainNameLen
* Split if statement in domainNameLen
The last two commits worsened the performance of domainNameLen
noticably, this change restores it's original performance.
name old time/op new time/op delta
MsgLength-12 550ns ±13% 510ns ±21% ~ (p=0.050 n=10+10)
MsgLengthNoCompression-12 26.9ns ± 2% 27.0ns ± 1% ~ (p=0.198 n=9+10)
MsgLengthPack-12 2.30µs ±12% 2.26µs ±16% ~ (p=0.739 n=10+10)
MsgLengthMassive-12 32.9µs ± 7% 32.0µs ±10% ~ (p=0.243 n=9+10)
MsgLengthOnlyQuestion-12 9.60ns ± 1% 9.20ns ± 1% -4.16% (p=0.000 n=9+9)
* Remove stray newline from TestMsgCompressionMultipleQuestions
* Remove stray newline in length_test.go
This was introduced when resolving merge conflicts.
* Simplify appendByte
* Add test case and benchmark for sprintName
* Add test case and benchmark for sprintTxtOctet
* Add test case and benchmark for sprintTxt
* Use strings.Builder for sprint* functions in types.go
* Use writeByte helper in unpackString
* Rename writeByte to writeEscapedByte
This better captures the purpose of this function.
* Remove redundant parenthesis
These were caught with:
gofmt -r '(a) -> a' -w *.go
This commit only includes the changes where the formatting makes the
ordering of operations clear.
* Remove more redundant parenthesis
These were caught with:
gofmt -r '(a) -> a' -w *.go
This commit includes the remaining changes where the formatting does not
make the ordering of operations as clear as the previous commit.
* Add support for TKEY RRs
- make sure Key and Data fields are variable length hex fields
- checkin output from 'go generate'
- add a TKEY specific test to ensure this stays working
* go format changes
* address review comments
* add ability to parse TKEY via string
* handle review comments - change TKEY string output
Implement the CSYNC record.
Fixes#290
Long overdue, lets add this record. Similar in vain as NSEC/NSEC3, we
need to implement len() our selves. Presentation format parsing and
tests are done as well.
This is CoreDNS running with CSYNC support, `dig` doesn't support this
at the moment, so:
~~~
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40323
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;csync.example.org. IN TYPE62
;; ANSWER SECTION:
csync.example.org. 10 IN TYPE62 \# 12 000335240042000460000008
;; AUTHORITY SECTION:
example.org. 10 IN NS a.iana-servers.net.
example.org. 10 IN NS b.iana-servers.net.
~~~
* Test for proper parsing of whitespace-separated (TXT) character-strings
* Properly parse whitespace-separated (TXT) character-strings
* Remove non-RFC treatment of backslash sequences in character-strings
Fixes gh-420
* For tests, remove non-RFC treatment of backslashes in domain names
1) Refactoring of tlsa.go
- moved routine to create the certificate rdata to its own go module
as this is shared between TLSA and SMIMEA records
2) Added support for creating an SMIMEA domain name
3) Developed in accordance with draft-ietf-dane-smime-12 RFC
Miek,
Submitting for your review. Happy to make any recommended changes or
address omissions.
Lightly tested against our internal DNS service which hosts DANE
SMIMEA records for our email certificates.
Parse tests are added.
When removing the reflection we inadvertely also removed the code for
handling empty salt values in NSEC3 and NSEC3PARAM. These are somewhat
annoying because the text representation is '-', which is not valid hex.
Update the size-xxx-member tags to point to another field in the struct
that should be used for the length in that field. Fix NSEC3/HIP and TSIG
to use to this and generate the correct pack/unpack functions for them.
Remove IPSECKEY from the lib and handle it as an unknown record - it is
such a horrible RR, needed kludges before - now just handle it as an
unknown RR.
All types now use generated pack and unpack functions. The blacklist is
removed.
* Make the error variable always named err.
Sometimes the error variable was named 'err' sometimes 'e'. Sometimes
'e' refered to an EDNS or string and not an error type.
* Use t.Errorf instead of t.Logf & t.Fail.
This fixes bugs in MB and CNAME.copy() (using sprintName for copying),
IPSECKEY (missed copyIP) and OPT (partially, Options was not copied as
slice; EDNS0 objects themselves are still pointers).
This process probably fixes a bug in NSAPPTR.len(), after a similar one was
found in HINFO.len().
This should also make it easier to make changes to these functions, and
check their correctness.
Generate the code by running "go generate".
Tom Thorogood
Miek Gieben
spsholleman
Pat Moroney
Richard Gibson
Michael Haro
Filippo Valsorda
Roland Shoemaker
Alex Sergeyev