Resolved - a simple DNS server for home networks

Overview

resolved

resolved (pronounced "resolved", not "resolved") is a simple DNS server for home networks. To that end, it supports:

  • Recursive and non-recursive resolution
  • Caching
  • Hosts files
  • Zone files

It does not support querying upstream nameservers over IPv6: I don't have IPv6 at home, so this code doesn't support it yet.

Usage

The DNS Server

I use resolved for my home network with no problems, but it may not work for you. You also probably don't want to expose this to the internet!

Compile it in release mode and run it like so:

cargo build --release
sudo ./target/release/resolved -Z config/zones

Since resolved binds to port 53 (both UDP and TCP), it needs to be run as root or to have the CAP_NET_BIND_SERVICE capability.

See the --help text for options.

Signals:

  • SIGUSR1 - reload the configuration

Monitoring:

  • Prometheus metrics are exposed at http://127.0.0.1:9420/metrics
  • Log level can be controlled with the RUST_LOG environment variable:
    • RUST_LOG=trace - verbose messages useful for development, like "entered function X"
    • RUST_LOG=debug - warns about strange but recoverable situations, like "socket read error"
    • RUST_LOG=info - gives top-level information, like "new connection" or "reloading configuration"
    • RUST_LOG=warn - warns about recoverable internal errors and invalid configuration, like "could not serialise message" or "invalid record in cache"
    • RUST_LOG=error - warns about fatal errors and then terminates the process, like "could not bind socket"
  • Log format can be controlled with the RUST_LOG_FORMAT environment variable, which is a sequence of comma-separated values:
    • One of full (default), compact, pretty, or json - see the tracing_subscriber crate
    • One of ansi (default), no-ansi
    • One of time (default), no-time

Other Tools

There are also four utility programs---htoh, htoz, ztoh, and ztoz---to convert between hosts files and zone files. They accept any syntactically valid file as input, and output it in a consistent format regardless of how the input is structured. So htoh and ztoz can be used to normalise existing files.

Development

The project structure should hopefully be fairly straightforward. The modules are:

  • lib-dns-types - basic types used in other packages

    • hosts - hosts files
    • protocol - the DNS message types and serialisation / deserialisation logic
    • zones - authoritative and non-authoritative zones
  • lib-dns-resolver - the DNS resolvers

    • cache - the cache
    • forwarding - the forwarding resolver
    • metrics - resolver-specific metrics
    • nonrecursive - the non-recursive resolver
    • recursive - the recursive resolver
    • util - shared types and functions
  • bin-resolved - the DNS server

  • bin-htoh - utility to normalise hosts files

  • bin-htoz - utility to convert hosts files to zone files

  • bin-ztoh - utility to convert zone files to hosts files

  • bin-ztoz - utility to normalise zone files

Testing

Run the unit and integration tests with:

cargo test

There are also fuzz tests in the fuzz/ directory, using cargo-fuzz:

cargo install cargo-fuzz

# list targets
cargo fuzz list

# run a target until it panics or is killed with ctrl-c
cargo fuzz run 
   

   

Supported standards

Comments
  • Bump clap from 3.1.15 to 3.1.16

    Bump clap from 3.1.15 to 3.1.16

    Bumps clap from 3.1.15 to 3.1.16.

    Release notes

    Sourced from clap's releases.

    v3.1.16

    [3.1.16] - 2022-05-06

    Fixes

    • (parser) Arg::exclusive overrides Arg::required, like other conflicts
    • (error) Don't duplicate arguments in usage
    • (error) Don't show hidden arguments in conflict error usage
    • (help) New help_template variable {name} to fix problems with {bin}
    • (help) Don't wrap URLs

    gated behind unstable-v4

    • Leading dashes in Arg::long are no longer allowed
    • (help) Use Command::display_name in the help title rather than Command::bin_name
    Changelog

    Sourced from clap's changelog.

    [3.1.16] - 2022-05-06

    Fixes

    • (parser) Arg::exclusive overrides Arg::required, like other conflicts
    • (error) Don't duplicate arguments in usage
    • (error) Don't show hidden arguments in conflict error usage
    • (help) New help_template variable {name} to fix problems with {bin}
    • (help) Don't wrap URLs

    gated behind unstable-v4

    • Leading dashes in Arg::long are no longer allowed
    • (help) Use Command::display_name in the help title rather than Command::bin_name
    Commits
    • 17b930c chore: Release
    • e748649 docs: Update changelog
    • 0e1e952 Merge pull request #3696 from epage/usage
    • 05aecf8 refactor(help): Remove more redundant required checks
    • dcda237 Merge pull request #3689 from epage/usage
    • e23c786 refactor(help): Remove redundant required check
    • f7c2dea fix(help): Don't show hidden arguments for conflicts
    • 2375a8e Merge pull request #3693 from epage/template
    • e4c096e fix(help): Use display name instead of bin name (unstable-v4)
    • 16791ab test(help): Update for display name change
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    dependencies rust 
    opened by dependabot[bot] 2
  • Make recursive resolver correctly handle `CNAME`d or delegated responses from the non-recursive resolver

    Make recursive resolver correctly handle `CNAME`d or delegated responses from the non-recursive resolver

    The recursive resolver starts with:

        if let resolved @ Some(_) = resolve_nonrecursive(zones, cache, question) {
            return resolved;
        }
    

    But:

    • If this is a CNAME response, then we should restart recursive resolution at that CNAME
    • If this is a delegation response, then we should call those upstream nameservers

    Fixing this may require making resolve_nonrecursive return something richer than a ResolvedRecord, unfortunately. I feel that there's an abstraction missing somewhere now that I have ResolvedRecords, ZoneResponses, and NameserverResponses.

    bug 
    opened by barrucadu 2
  • Build(deps): bump clap from 4.0.28 to 4.0.30

    Build(deps): bump clap from 4.0.28 to 4.0.30

    Bumps clap from 4.0.28 to 4.0.30.

    Release notes

    Sourced from clap's releases.

    v4.0.30

    [4.0.30] - 2022-12-21

    Fixes

    • (error) Improve error for args_conflicts_with_subcommand

    v4.0.29

    [4.0.29] - 2022-11-29

    Changelog

    Sourced from clap's changelog.

    [4.0.30] - 2022-12-21

    Fixes

    • (error) Improve error for args_conflicts_with_subcommand

    [4.0.29] - 2022-11-29

    Commits
    • d2d0222 chore: Release
    • 56a0bb6 docs: Update changelog
    • b941a3e Merge pull request #4567 from epage/error
    • 453ac0b fix(parser): Be less confusing with args/subcommand conflicts
    • 2a374db test(parser): Show bad behavior
    • f632424 test(parser): Consolidate args_conflicts_with tests
    • a72f962 docs(builder): Escape non-tags
    • ac48e2d docs: Make less brittle for rust versions
    • a3381a2 docs(readme): Fix build status badge (#4559)
    • aa54204 Merge pull request #4555 from epage/reset
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    dependencies rust 
    opened by dependabot[bot] 1
  • Build(deps): bump clap from 4.0.28 to 4.0.29

    Build(deps): bump clap from 4.0.28 to 4.0.29

    Bumps clap from 4.0.28 to 4.0.29.

    Release notes

    Sourced from clap's releases.

    v4.0.29

    [4.0.29] - 2022-11-29

    Changelog

    Sourced from clap's changelog.

    [4.0.29] - 2022-11-29

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    dependencies rust 
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  • Build(deps): bump clap from 4.0.10 to 4.0.18

    Build(deps): bump clap from 4.0.10 to 4.0.18

    Bumps clap from 4.0.10 to 4.0.18.

    Release notes

    Sourced from clap's releases.

    v4.0.18

    [4.0.18] - 2022-10-20

    Fixes

    • (derive) Allow #[command(skip)] to also work with enum variants with a value

    v4.0.17

    [4.0.17] - 2022-10-18

    Fixes

    • Allow using Arg::last(true) with Arg::value_hint(ValueHint::CommandWithArguments)

    v4.0.16

    [4.0.16] - 2022-10-18

    Fixes

    • Arg::exclusive(true) should not be exclusive with the argument's own ArgGroup

    v4.0.15

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    v4.0.14

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    v4.0.13

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    v4.0.12

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    ... (truncated)

    Changelog

    Sourced from clap's changelog.

    [4.0.18] - 2022-10-20

    Fixes

    • (derive) Allow #[command(skip)] to also work with enum variants with a value

    [4.0.17] - 2022-10-18

    Fixes

    • Allow using Arg::last(true) with Arg::value_hint(ValueHint::CommandWithArguments)

    [4.0.16] - 2022-10-18

    Fixes

    • Arg::exclusive(true) should not be exclusive with the argument's own ArgGroup

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    [4.0.11] - 2022-10-09

    Fixes

    • (help) Fix wrapping calculations with ANSI escape codes
    Commits

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    dependencies rust 
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  • Build(deps): bump prometheus from 0.13.2 to 0.13.3

    Build(deps): bump prometheus from 0.13.2 to 0.13.3

    Bumps prometheus from 0.13.2 to 0.13.3.

    Changelog

    Sourced from prometheus's changelog.

    0.13.3

    • Bug fix: Prevent ProcessCollector underflow with CPU time counter (#465)

    • Internal change: Update dependencies

    Commits

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    dependencies rust 
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  • Build(deps): bump arbitrary from 1.1.7 to 1.2.0

    Build(deps): bump arbitrary from 1.1.7 to 1.2.0

    Bumps arbitrary from 1.1.7 to 1.2.0.

    Changelog

    Sourced from arbitrary's changelog.

    1.2.0

    Released 2022-10-20.

    Added

    • Support custom arbitrary implementation for fields on derive. #129

    1.1.6

    Released 2022-09-08.

    Fixed

    • Fixed a potential panic due to an off-by-one error in the Arbitrary implementation for std::ops::Bound<T>.

    1.1.5

    Released 2022-09-20.

    Added

    • Implemented Arbitrary for std::ops::Bound<T>.

    Fixed

    • Fixed a bug where Unstructured::int_in_range could return out-of-range integers when generating arbitrary signed integers.

    1.1.4

    Released 2022-08-29.

    Added

    • Implemented Arbitrary for Rc<str> and Arc<str>

    Changed

    • Allow overriding the error type in arbitrary::Result
    • The Unstructured::arbitrary_loop method will consume fewer bytes of input now.

    ... (truncated)

    Commits
    • 48c4bfd Bump to version 1.2.0
    • 33b855f Merge pull request #129 from greyblake/customize-fields
    • 755b8e0 Replace trybuild ui tests with doc tests
    • 4fdf16f Fix compiletest, make it pass on stable (not on nightly)
    • 2701ed8 Update CHANGELOG.md
    • 479da32 Get rid of the rest of panics within determine_field_constructor()
    • 8cbad14 Return syn::Error instead of panic!()
    • fb58d7a Return syn::Error instead of panic!() in proc_macro
    • f3225dd Refactor derive functions return syn::Result<_>
    • 727ab88 Support #[arbitrary(with = ...)] with closures
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    dependencies rust 
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  • Build(deps): bump libfuzzer-sys from 0.4.4 to 0.4.5 in /fuzz

    Build(deps): bump libfuzzer-sys from 0.4.4 to 0.4.5 in /fuzz

    Bumps libfuzzer-sys from 0.4.4 to 0.4.5.

    Changelog

    Sourced from libfuzzer-sys's changelog.

    0.4.5

    Released 2022-10-18.

    Added

    • Added the ability to tell libfuzzer whether to keep files inputs in the corpus or not. See the Corpus type and extended documentation for the fuzz_target! macro for details.

    Changed

    • Ensured that there is always at least one inline-never frame on the stack per fuzz target. This helps prevent oss-fuzz from "deduplicating" different bugs from different fuzz targets into the same bug.

    Commits
    • 396dc4c Bump to version 0.4.5
    • 393082d Merge pull request #97 from dacut/corpus
    • 1a0499e Remove trailing whitespace
    • 7ae224a Fix missing return branch.
    • 028f4e1 Add changes suggested from code review.
    • dfe756f Enable keep/reject inputs from the corpus
    • 64ad66a Merge pull request #95 from alexcrichton/add-inline-never-frame
    • 63b9226 Force at least one unique stack frame per fuzzer
    • See full diff in compare view

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    dependencies rust 
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  • Build(deps): bump clap from 4.0.10 to 4.0.17

    Build(deps): bump clap from 4.0.10 to 4.0.17

    Bumps clap from 4.0.10 to 4.0.17.

    Release notes

    Sourced from clap's releases.

    v4.0.17

    [4.0.17] - 2022-10-18

    Fixes

    • Allow using Arg::last(true) with Arg::value_hint(ValueHint::CommandWithArguments)

    v4.0.16

    [4.0.16] - 2022-10-18

    Fixes

    • Arg::exclusive(true) should not be exclusive with the argument's own ArgGroup

    v4.0.15

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    v4.0.14

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    v4.0.13

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    v4.0.12

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    v4.0.11

    [4.0.11] - 2022-10-09

    Fixes

    • (help) Fix wrapping calculations with ANSI escape codes
    Changelog

    Sourced from clap's changelog.

    [4.0.17] - 2022-10-18

    Fixes

    • Allow using Arg::last(true) with Arg::value_hint(ValueHint::CommandWithArguments)

    [4.0.16] - 2022-10-18

    Fixes

    • Arg::exclusive(true) should not be exclusive with the argument's own ArgGroup

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    [4.0.11] - 2022-10-09

    Fixes

    • (help) Fix wrapping calculations with ANSI escape codes
    Commits
    • b9dfbbf chore: Release
    • a6c8f6a docs: Update changelog
    • e11afa2 Merge pull request #4401 from epage/last
    • 1ead5ef fix(complete): Support last(true) with CommandWithArguments
    • e50a11a Merge pull request #4399 from j-browne/link-fix
    • a1d4476 Fix a broken link in ValueEnum docs
    • cbb05d5 chore: Release
    • b77bd0c docs: Update changelog
    • 466b6f8 Merge pull request #4397 from epage/exclusive
    • 45dcf0e fix(parser): Don't make Args exclusive with their ArgGroup
    • Additional commits viewable in compare view

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    dependencies rust 
    opened by dependabot[bot] 1
  • Build(deps): bump clap from 4.0.10 to 4.0.16

    Build(deps): bump clap from 4.0.10 to 4.0.16

    Bumps clap from 4.0.10 to 4.0.16.

    Release notes

    Sourced from clap's releases.

    v4.0.16

    [4.0.16] - 2022-10-18

    Fixes

    • Arg::exclusive(true) should not be exclusive with the argument's own ArgGroup

    v4.0.15

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    v4.0.14

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    v4.0.13

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    v4.0.12

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    v4.0.11

    [4.0.11] - 2022-10-09

    Fixes

    • (help) Fix wrapping calculations with ANSI escape codes
    Changelog

    Sourced from clap's changelog.

    [4.0.16] - 2022-10-18

    Fixes

    • Arg::exclusive(true) should not be exclusive with the argument's own ArgGroup

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    [4.0.11] - 2022-10-09

    Fixes

    • (help) Fix wrapping calculations with ANSI escape codes
    Commits
    • cbb05d5 chore: Release
    • b77bd0c docs: Update changelog
    • 466b6f8 Merge pull request #4397 from epage/exclusive
    • 45dcf0e fix(parser): Don't make Args exclusive with their ArgGroup
    • a40c7b4 Merge pull request #4390 from sergejp/master
    • 3250bce docs: Provide a better example for positional arg append under derive
    • e6436a0 docs: Provide a better example for positional arg append
    • bd5a6ea chore: Release
    • 7eaeed3 docs: Update changelog
    • 0f6ef30 Merge pull request #4384 from epage/consistent
    • Additional commits viewable in compare view

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    dependencies rust 
    opened by dependabot[bot] 1
  • Build(deps): bump clap from 4.0.10 to 4.0.15

    Build(deps): bump clap from 4.0.10 to 4.0.15

    Bumps clap from 4.0.10 to 4.0.15.

    Release notes

    Sourced from clap's releases.

    v4.0.15

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    v4.0.14

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    v4.0.13

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    v4.0.12

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    v4.0.11

    [4.0.11] - 2022-10-09

    Fixes

    • (help) Fix wrapping calculations with ANSI escape codes
    Changelog

    Sourced from clap's changelog.

    [4.0.15] - 2022-10-13

    Fixes

    • (error) Don't suggest -- when it doesn't help
    • (error) Be more consistent in quoting, punctuation, and indentation in errors

    [4.0.14] - 2022-10-12

    Fixes

    • Only put ArgGroup in ArgMatches when explicitly specified, fixing derives handling of option-flattened fields (#4375)

    [4.0.13] - 2022-10-11

    Features

    • (derive) Allow () for fields to mean "don't read" (#4371)

    [4.0.12] - 2022-10-10

    Features

    • Added TypedValueParser::try_map for when adapting an existing TypedValueParser can fail
    • (error) Create errors like clap with Error::new, Error::with_cmd, and Error::insert

    [4.0.11] - 2022-10-09

    Fixes

    • (help) Fix wrapping calculations with ANSI escape codes
    Commits
    • bd5a6ea chore: Release
    • 7eaeed3 docs: Update changelog
    • 0f6ef30 Merge pull request #4384 from epage/consistent
    • 0f3c98a fix(error): Be consistent in puncutation
    • 6422046 Merge pull request #4383 from epage/error
    • b9d2980 refactor(error): Move subcommand suggestion to general suggestions
    • 63eec40 refactor(error): Clarify distinct suggestion cases
    • 5275660 refactor(error): Move escape suggestion to general suggestion
    • 813060e refactor(error): Move bad-escape suggestion to general suggestion
    • 7417c75 refactor(error): Move escaped-subcmd suggestion to general suggestions
    • Additional commits viewable in compare view

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    dependencies rust 
    opened by dependabot[bot] 1
  • Build(deps): bump arbitrary from 1.2.0 to 1.2.2

    Build(deps): bump arbitrary from 1.2.0 to 1.2.2

    Bumps arbitrary from 1.2.0 to 1.2.2.

    Changelog

    Sourced from arbitrary's changelog.

    1.2.2

    Released 2023-01-03.

    Fixed

    • Ensured that arbitrary and derive_arbitrary versions are synced up so that they don't, e.g., emit generated code that depends on newer versions of arbitrary than the one currently in use. #134

    1.2.1

    Fixed

    • Fixed an issue where std::thread_local! macro invocations in derive code were not fully prefixed, causing confusing build errors in certain situations.
    Commits

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    dependencies rust 
    opened by dependabot[bot] 0
  • Build(deps): bump clap from 4.0.28 to 4.0.32

    Build(deps): bump clap from 4.0.28 to 4.0.32

    Bumps clap from 4.0.28 to 4.0.32.

    Release notes

    Sourced from clap's releases.

    v4.0.32

    [4.0.32] - 2022-12-22

    Fixes

    • (parser) When overriding required(true), consider args that conflict with its group

    v4.0.31

    [4.0.31] - 2022-12-22

    Performance

    • Speed up parsing when a lot of different flags are present (100 unique flags)

    v4.0.30

    [4.0.30] - 2022-12-21

    Fixes

    • (error) Improve error for args_conflicts_with_subcommand

    v4.0.29

    [4.0.29] - 2022-11-29

    Changelog

    Sourced from clap's changelog.

    [4.0.32] - 2022-12-22

    Fixes

    • (parser) When overriding required(true), consider args that conflict with its group

    [4.0.31] - 2022-12-22

    Performance

    • Speed up parsing when a lot of different flags are present (100 unique flags)

    [4.0.30] - 2022-12-21

    Fixes

    • (error) Improve error for args_conflicts_with_subcommand

    [4.0.29] - 2022-11-29

    Commits
    • ec4ccf0 chore: Release
    • 13fdb83 docs: Update changelog
    • b877345 Merge pull request #4573 from epage/conflict
    • 85ecb3e fix(parser): Override required when parent group has conflict
    • d145b8b test(parser): Demonstrate required-overload bug
    • 0eccd55 chore: Release
    • 1e37c25 docs: Update changelog
    • dcd5fec Merge pull request #4572 from epage/group
    • dde22e7 style: Update for latest clippy
    • dd8435d perf(parser): Reduce duplicate lookups
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    dependencies rust 
    opened by dependabot[bot] 0
  • Build(deps): bump tokio from 1.22.0 to 1.23.0

    Build(deps): bump tokio from 1.22.0 to 1.23.0

    Bumps tokio from 1.22.0 to 1.23.0.

    Release notes

    Sourced from tokio's releases.

    Tokio v1.23.0

    Fixed

    • net: fix Windows named pipe connect (#5208)
    • io: support vectored writes for ChildStdin (#5216)
    • io: fix async fn ready() false positive for OS-specific events (#5231)

    Changed

    • runtime: yield_now defers task until after driver poll (#5223)
    • runtime: reduce amount of codegen needed per spawned task (#5213)
    • windows: replace winapi dependency with windows-sys (#5204)

    #5208: tokio-rs/tokio#5208 #5216: tokio-rs/tokio#5216 #5213: tokio-rs/tokio#5213 #5204: tokio-rs/tokio#5204 #5223: tokio-rs/tokio#5223 #5231: tokio-rs/tokio#5231

    Commits

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    dependencies rust 
    opened by dependabot[bot] 0
  • Integration tests

    Integration tests

    Right now I have no confidence that a change to the binary is good without manually starting and poking it, which makes (eg) dependabot changes to clap a bit risky.

    I could add a basic integration test which starts the server in a known configuration and makes a query.

    enhancement 
    opened by barrucadu 0
  • Purify the recursive resolver

    Purify the recursive resolver

    The recursive resolver is awkward to test because it mixes network calls with business logic. So I just don't test it right now. I test the things it uses, but not it directly. This is a shame, as the recursive resolver is nontrivial.

    Purifying it somehow - either making it return some state object and handling the network calls & iteration from a very small function outside it which can easily be eyeballed, or by passing in some "network handle" which can be mocked (ew) - would let me directly test it.

    enhancement 
    opened by barrucadu 0
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