0.10.3

New

• Added Deserialize impl for the base::net::nostd::Ipv6Addr and fixed the impl for Ipv4Addr. (#413)

Bug fixes

• Fixed an incorrect feature gate that blocks compilation if only "net" is enabled. (#412)
• Added (all? most?) missing feature dependencies for all features.
• Fixed Deserialize impls for ParsedName and ExtendedError to compile and work without std. (#413)

0.10.2

New

• Added an optional push size limit to MessageBuilder. (#348)
• Added FromStr impls for Rcode and OptRcode. (#357)
• Added OptRcode::is_ext to check if the code is an extended code. (#358)
• Added Rtype::is_glue to check if the Rtype may be used as glue. (#363)
• Added MessageBuilder::start_error, like start_answer but infallible. (#369)
• Added AnswerBuilder::push_ref, like push but takes the record by reference. (#383)
• Added Rtype::NXNAME and ExtendedErrorCode::INVALID_QUERY_TYPE. (#392)
• Added a Serialize impl to AllRecordData and as a consequence to the OPT record and all OPT options, as well as ParsedName. (#343)
• Added Display impl to tsig::Key. (#397)

Bug fixes

• Fixed a mistake in the tsig module while calculating the start of the TSIG record when there were other records in the additional section, causing the TSIG code to fail if OPT records were in use. (#333)
• Fixed the mnemonic for the NOTAUTH rcode – it was NOAUTH. (#360)
• Fixed the way the Txt<_> record data implements comparison-related traits. They now directly compare the underlying octets, i.e., the wire format bytes. (#374 by @dklbreitling)
• Fixed the tsig module to reject messages with multiple TSIG records. (#334)
• Fixed Display rendering of empty NSEC3 salt to be '-' per RFC 5155 section 3.3. (#407)

Unstable features

• New unstable feature unstable-validator that adds a DNSSEC validator. (#328)
• New unstable feature unstable-xfr that adds XfrResponseInterpreter for iterating over XFR responses as a sequence of high level ZoneUpdates, and XfrMiddlewareSvc and XfrDataProvider for responding to received XFR requests. (#375, #384)
• unstable-client-transport:
  • Fixed an issue with slow responses in the multi_stream transport by not waiting in the first iteration if an underlying stream reports its connection being closed. (#338)
  • Added an option called idle_timeout to stream that allows a TCP or TLS connection to stay open even if no TcpKeepalive option is received from the server. (#341)
  • Fixed an off-by-one error in Dgram client retry count checking. (#354)
  • Added support for requests that may result in multiple responses. This adds ComposeRequestMulti and other *Multi types. The main change is to the stream transport, which is the only transport that implements SendRequestMulti. (#377)
  • Added a TSIG request signing and response validating passthrough transport in net::client:tsig. (#373)
• unstable-server-transport
  • Breaking changes to the Service and middleware traits. (#369)
  • Added TsigMiddlewareSvc request validating and response signing middleware in net::server::middleware::tsig. (#380)
  • Added NotifyMiddlewareSvc in net::server::middleware::notify to parse and acknowledge SOA NOTIFY requests, for use by secondary nameservers to detect outdated zones compared to the primary. (#382)
  • CookiesMiddlewareSvc now allows requests with invalid cookies to proceed if they are authenticated or not required to authenticate. (#336)
  • Added an enabled flag to CookiesMiddlewareSvc. (#369)
  • Added trait ResourceRecordBatcher and impl CallbackBatcher in net::server::batcher for pushing as many records into a response as will fit according to defined limits. (#383)
  • Enforce dgram max response size limit. (#398)
  • Extended MandatoryMiddlewareSvc with an RFC 9619 check for opcode QUERY with QDCOUNT > 1. (#365)
  • Added blanket SendRequest and SendRequestMulti impls for boxes. (#397)
  • EdnsMiddlewareSvc fixes: (#355)
    • Reply with FORMERR if an OPT RR cannot be parsed.
    • Don't reply with FORMERR if an edns-tcp-keepalive option is received via UDP, instead ignore it per RFC 7828 3.2.1.
    • Only reserve space for an edns-tcp-keepalive option for TCP requests, not UDP requests.
    • Always reserve space for an OPT RR in the response for any request that has an OPT RR, not just TCP requests.
  • Servers now drop received DNS response messages. (#381)
  • Improved handling of errors while sending TCP responses. (#309)
  • Correctly reserve space for OPT in EdnsMiddlewareSvc. (#403)
• unstable-zonetree:
  • Added ZoneUpdate. (#375)
  • Added ZoneUpdater, ZoneDiff, InMemoryZoneDiffBuilder, InMemoryZoneDiff and improved ZoneUpdate. (#376, #384)
  • Improved zonefile parsing error messages. (#362).
  • TryFrom<inplace::Zonefile> for Zonefile now returns the set of errors instead of logging and ignoring them. (#362)
  • Allow both glue (A/AAAA) and zone cuts at the same owner when zone parsing. (#363)
  • Altered the logic in Versioned::remove_all() (formerly Versioned::clean()) as it made destructive changes to the zone that would have impacted readers of the current zone version while the new zone version was being created. (#376)
  • Removed / renamed references to clean in zonetree::in_memory to remove. (#376)
  • Fixed zone walking to include non-leaf CNAMEs. (#352)
  • Fixed zone walking to pass the correct owner name to the callback. (#384)
  • Added an as_any method and Clone and Debug impls to various zonetree types. (#397)
  • Added AsRef<dyn ZoneStore> to Zone. (#397)
  • Added handling of the AA flag and additional records to answer generation. (#400)
  • Zone walking now includes glue records. A new flag at_zone_cut was added to the callback interface. (#401)

0.10.1

New

• Allow AllRecordData’s parsing impls to accept an unsized [u8] as the source octets. (#310 by @xofyarg)
• Made sign::records::FamilyName public. (#312 by @achow101)
• Added an impl of FromStr for Question. (#317)

Bug fixes

• Accept an empty record type bitmap when scanning NSEC/NSEC3 data. (#310 by @xofyarg)
• Fix serialization of ProtoRrsig to conform with RFC 4034. ([#313 by @achow101)
• Add ?Sized bounds to Message::is_answer and ParsedRecord::to_record. (#318 by @xofyarg, #325 by @hunts)
• Bring back MessageBuilder::as_target. (#318 by @xofyarg)
• Bring back impl FreezeBuilder for StaticCompressor. (#318 by @xofyarg)
• sign::records::RecordsIter::skip_before now stops at the first name in zone even if the apex itself doesn’t appear. (#314 by @achow101)
• Fix a counting error in SliceLabelsIter::next that broke compression via StaticCompressor. (#321 by @hunts)

Unstable features

• New unstable feature unstable-stelline for the Stelline testing framework as a “normal” module of domain. (#315)
• Renamed the domain name types in zonetree from Dname to Name. (#308)

Other changes

• The minimum Rust version is now 1.78. (#320)

0.10.0

Breaking changes

• All types and functions referring to domain names have been changed from using the term “dname” to just “name.” For instance, Dname has become Name, ToDname has become ToName, and ToDname::to_dname has become ToName::to_name. (#290)
• The ToName and ToRelativeName traits have been changed to have a pair of methods a la try_to_name and to_name for octets builders with limited and unlimited buffers, reflecting the pattern used elsewhere. (#285)
• The types for IANA-registered parameters in base::iana have been changed from enums to a newtypes around their underlying integer type and associated constants for the registered values. (This was really always the better way to structure this.) (#276, #298)
• The Txt record data type now rejects empty record data as invalid. As a consequence TxtBuilder converts an empty builder into TXT record data consisting of one empty character string which requires TxtBuilder::finish to be able to return an error. (#267)
• Txt record data serialization has been redesigned. It now serialized as a sequence of character strings. It also deserializes from such a sequence. If supported by the format, it alternatively deserializes from a string that is broken up into 255 octet chunks if necessary. (#268)
• The text formatting for CharStr has been redesigned. The Display impl now uses a modified version of the representation format that doesn’t escape white space but also doesn’t enclose the string in quotes. Methods for explicitly formatting in quoted and unquoted presentation format are provided. (#270)
• The validate::RrsigExt trait now accepts anything that impls AsRef<Record<..>> to allow the use of smart pointers. (#288 by @hunts)
• The stub resolver now uses the new client transports. This doesn’t change how it is used but does change how it queries the configured servers. (#215)
• The sub resolver’s server configuration Transport type has been changed to be either Transport::UdpTcp for trying UDP and if that leads to a truncated answer try TCP and Transport::Tcp for only trying TCP. The stub resolver uses these accordingly now (#296)
• Many error types have been changed from enums to structs that hide internal error details. Enums have been kept for errors where distinguishing variants might be meaningful for dealing with the error. (#277)
• Renamed Dnskey::is_zsk to is_zone_key. (#292)
• Split RRSIG timestamp handling from Serial into a new type rdata::dnssec::Timestamp. ([#294])
• Upgraded octseq to 0.5. (#257)
• The minimum Rust version is now 1.70. (#304)

New

• Add impls for AsRef<RelativeDname<[u8]>> and Borrow<RelativeDname<[u8]>> to RelativeDname<_>. (#251 by @torin-carey)
• Added name::Chain::fmt_with_dots to format an absolute chained name with a final dot. (#253)
• Added a new ParseAnyRecordData trait for record data types that can parse any type of record data. (#256)
• Added implementations of OctetsFrom and Debug to AllOptData and the specific options types that didn’t have them yet. (#257)
• Added missing ordering impls to ZoneRecordData, AllRecordData, Opt, and SvcbRdata. (#293)
• Added Name::reverse_from_addr that creates a domain name for the reverse lookup of an IP address. (#289)
• Added OptBuilder::clone_from to replace the OPT record with the content of another OPT record. (#299)
• Added Message::for_slice_ref that returns a Message<&[u8]>. (#300)

Bug fixes

• Fixed the display implementation of name::Chain<_, _>. (#253)
• Fixed the display implementation of rdata::Txt<..>. It now displays each embedded character string separately in quoted form. (#259)
• Fixed the extended part returned by OptRcode::to_parts (it was shifted by 4 bits too many) and return all 12 bits for the Int variant in OptRcode::to_int. (#258)
• Fixed a bug in the inplace zonefile parser that made it reject character string of length 255. (#284)

Unstable features

• Added the module net::client with experimental support for client message transport, i.e., sending of requests and receiving responses as well as caching of responses.
  This is gated by the unstable-client-transport feature. (#215,#275)
• Added the module net::server with experimental support for server transports, processing requests through a middleware chain and a service trait.
  This is gated by the unstable-server-transport feature. (#274)
• Added the module zonetree providing basic traits representing a collection of zones and their data. The zonetree::in_memory module provides an in-memory implementation. The zonetree::parsed module provides a way to classify RRsets before inserting them into a tree.
  This is gated by the unstable-zonetree feature. (#286)

0.9.3

Bug fixes

• Fixed various issues preventing building in a no-std environment. (#247 by @dzamlo, #248 by @reitermarkus)

Other changes

• The resolv feature now depends on futures_util instead of futures, trimming unused dependencies from the dependency tree. (#246 by @WhyNotHugo)

0.9.2

New

• Removed the Sized bound for octets types used by the tsig module. (#241 by @torin-carey)
• Added an impl for AsRef<Message<[u8]>> for any message. (#242 by @torin-carey)

Bug fixes

• Fixed in scanning absolute domain names from a zonefile that resulted in illegal wire data being produced. (#240 by [@xofyarg)]

0.9.1

Bug fixes

• Added missing ?Sized bounds to the octets type for parsing ZoneRecordData and UnknownRecordData. (#237 by @hunts)

0.9.0

Breaking changes

• Move the flatten_into method for converting domain names into a straight, flat form into a new FlattenInto trait. This trait is only implemented for types that actually are or contain domain names. (#216)
• Marked various methods and functions that return values without side effects as #[must_use]. ([#228] by @WhyNotHugo)
• Changed the signature of FoundSrvs::merge to use a non-mut other. (#232)
• The minimum Rust version is now 1.67. (#235)

New

• Added support for the ZONEMD record type. (#229 by @xofyarg)
• Re-exported the octseq crate as dep::octseq. (#230)
• Added a blanket impl for mut refs to Composer. (#231 by @xofyarg)

0.8.1

New

• Added a new method FoundSrvs::into_srvs that converts the value into an iterator over the found SRV records without resolving them further. (#174, #214 by @WhyNotHugo); this was added in 0.7.2 but missing in 0.8.0)
• Added impl of Borrow<Dname<[u8]>> and AsRef<Dname<[u8]>> for Dname<_>. (#219 by [@iximeow}], #225)
• Added Dname::fmt_with_dot that can be used when wanting to display a domain name with a dot at the end. (#210)

Bug Fixes

• Fixed trait bounds on FoundSrvs::into_stream to make it usable again. (#174, [#214 by @WhyNotHugo]; this was fixed in 0.7.2 but missing in 0.8.0)
• Fixed scanning of domain names that are just the root label. (#210)
• Fixed util::base64::SymbolConverter to also include the final group in the output if there is padding. (#212)

0.8.0

Breaking Changes

• The minimal required Rust version is now 1.65. (#160)
• The random feature has been dropped in favour of using rand. (#204)
• The generic octets foundation has been moved to a new crate octseq and completely revamped with Generic Associated Types stabilized in Rust 1.65. This required changes all over the code but, hopefully, should result in relatively few changes when using the crate. (#160)
• The range, slice, and split methods on the domain name types have changed. They have been merge into a single method taking ranges – except for those on Dname that require type changes. The split methods now take references and don’t change self anymore. (#160)
• The Parse, Compose, and Scan traits have been demoted to mere extension traits for foreign types (primarily the built-in integers, so that you can do things like u16::parse). All other types now simply have methods matching the patterns. Where generics are necessary, dedicated traits have been added. E.g., there now are ParseRecordData and ComposeRecordData traits that are implemented by all record data types. (#160)
• The Deref and DerefMut impls have been removed for most types that had them to follow guidance that they are exclusively for use by pointer types – which none of them are. len and is_empty methods have been added where appropriate, additional methods may be added. (#205)
• Various functions and methods of the tsig module now expect the current time as an argument to allow use of the module in a no-std environment. (#152)
• Parsing of representation format and zonefiles has been completely re-written. (#142, based on work in #109 by Martin Fischer)
• All types that wrap an octets sequence only now allow unsized octets sequence types. They all have an associated function from_slice to create a reference to a value wrapping an (unsized) octets slice and method for_slice that converts a &self into such a reference. Where the latter already existed but returned a value wrapping a &[u8] (e.g., Dname<_> and Message<_>, the return type has changed accordingly. (#168)
• Removed CharStr::from_bytes. Use CharStr::from_octets instead. (#168)
• Message::from_octets now returns a new error type ShortMessage. (#168)
• Dropped Deref impls for Dname<_>, RelativeDname<_>. (#168)
• Renamed opt::KeyTag::new to opt::KeyTag::from_octets. (#168)
• Renamed rdata::Txt::try_from_slice to build_from_slice. (#168)
• The new method of the following record data types now check whether the wire format representation of the record data is too long and thus returns a result: Tsig<_, _>, Dnskey<_>, Rrsig<_, _>, Ds<_>, Cdnskey<_>, Cds<_>. (#169)
• The new function for rdata::Null<_> has been replaced with a from_octets and from_slice pair. The Deref impl was removed. (#169)
• The rdata::svcb module has been refactored to work in the same way as other type-length-value constructs. The names of types, methods, and functions have changed both to match the usual nomenclature as well as to match the terms used in the SVCB draft. (#176)
• The base::iana::SvcbParamKey type has been renamed to SvcParamKey to match the terms used in the SVCB draft. (#176)
• The TcpKeepalive option has been changed to use an Option<u16> as its data and allow for an empty option in accordance with the RFC. (#185)
• Renamed the sub-modules of rdata that contain record data types to use a name derived from their content rather than their RFC number – with the exception of rdata::rfc1035. (#189)
• Renamed the sub-modules of base::opt that contain option data types to use short-hand names rather than their RFC number. (#190)
• TTL values are now using a newtype base::record::Ttl that wraps the raw u32 and improves conversions. (#202 by @CrabNejonas)
• Changes all option data types to ensure their wire format is at most 65,535 octets long. This requires changing the signatures of some creator functions. Their naming scheme and signatures are also changed to follow the pattern established with record data. (#193)
• Renamed UnknownOptData::from_octets to new and return a result. (#193)
• Completely redesigns DNS cookie options, adding support for standard server cookies introduced in RFC 9018. (#193)
• Change the type of ExtendedError’s text to Str<Octs> and change the return type of set_text to (). (#193)
• Changed the type TcpKeepalive’s content to a newtype IdleTimeout to make it easier to convert to and from durations. (#193)
• Changes Padding to just contain the padding octets and drop PaddingMode. Instead, the methods on OptBuilder should be used to add padding. (#193)

New

• Display impls are now available for all EDNS0 options. (#157)
• Adds a FromStr implementation and related functions to RelativeDname. (#177)
• Add a Debug impl to base::message::Message so it can be unwrapped etc. (#199)
• New methods make_canonical on Dname and RelativeDname that convert the name into its canonical, i.e., lowercase form. Similarly, new methods ToDname::to_canonical_dname and ToRelativeDname::to_canonical_relative_dname that produce new
  canonical names. (#200)
• Added a MAX_LEN constant to various types that wrap length-limited octets sequences. (#201 by @CrabNejonas)