mirror of https://github.com/c-ares/c-ares.git
1.24.0 release prep (#657)
Brad House
12 months ago
committed by
GitHub
parent
ae06072e88
commit
290e9e951c
4 changed files with 34 additions and 51 deletions
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c-ares version 1.23.0 |
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c-ares version 1.24.0 |
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This is a feature and bugfix release. |
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Features: |
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o Introduce optional (but on by default) thread-safety for the c-ares |
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library. This has no API nor ABI implications. [2] |
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o resolv.conf in modern systems uses attempts and timeouts options instead |
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of the old retrans and retry options. [6] |
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o Query caching support based on TTL of responses. Can be enabled via |
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ares_init_options() with ARES_OPT_QUERY_CACHE. [12] |
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o Add support for IPv6 link-local DNS servers. Nameserver formats can now |
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accept the %iface suffix, and a new ares_get_servers_csv() function was |
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added to return servers that can contain the link-local interface name. [3] |
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Changes: |
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o Unbundle GoogleTest for test cases. Package maintainers will now need to |
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require GoogleTest (GMock) as a build dependency if building tests. New |
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GoogleTest versions require C++14 or later. [6] |
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o Replace nameserver parsing code to use new memory-safe functions. [1] |
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o Replace the sortlist parser with new memory-safe functions. [5] |
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o Various warning fixes and dead code removal. |
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Bug Fixes: |
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o ares_init_options() for ARES_OPT_UDP_PORT and ARES_OPT_TCP_PORT accept the |
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port in host byte order, but it was reading it as network byte order. |
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Regression introduced in 1.20.0. [1] |
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o ares_init_options() for ARES_FLAG_NOSEARCH was not being honored for |
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ares_getaddrinfo() or ares_gethostbyname(). Regression introduced in |
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1.16.0. [3] |
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o Autotools MacOS and iOS version check was failing [4] |
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o Environment variables passed to c-ares are meant to be an override for |
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system configuration. Regression introduced in 1.22.0. [5] |
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o Spelling fixes as detected by codespell. [7] |
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o The timeout returned by ares_timeout() was truncated to milliseconds but |
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validated to microseconds which could cause a user to attempt to process |
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timeouts prior to the timeout actually expiring. [8] |
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o CMake was not honoring CXXFLAGS passed in via the environment which could |
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cause compile and link errors with distribution hardening flags during |
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packaging. [9] |
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o Fix Windows UWP and Cygwin compilation. [10] |
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o ares_set_servers_*() for legacy reasons needs to accept an empty server list |
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and zero out all servers. This results in an inoperable channel and thus is |
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only used in simulation testing, but we don't want to break users. |
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Regression introduced in 1.21.0. [11] |
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o Old Linux versions require POSIX_C_SOURCE or _GNU_SOURCE to compile with |
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thread safety support. [2] |
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o A non-responsive DNS server that caused timeouts wouldn't increment the |
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failure count, this would lead to other servers not being tried. |
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Regression introduced in 1.22.0. [4] |
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o Some projects that depend on c-ares expect invalid parameter option values |
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passed into ares_init_options() to simply be ignored. This behavior has |
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been restored. [7] |
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Thanks go to these friendly people for their efforts and contributions: |
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Brad House (@bradh352) |
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Christian Clauss (@cclauss) |
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Daniel Stenberg (@bagder) |
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Deal (@halx99) |
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Ignat (@Kontakter) |
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@petrvh |
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(6 contributors) |
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(2 contributors) |
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References to bug reports and discussions on issues: |
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[1] = https://github.com/c-ares/c-ares/commit/fb52c3f |
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[2] = https://github.com/c-ares/c-ares/pull/636 |
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[3] = https://github.com/c-ares/c-ares/pull/638 |
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[4] = https://github.com/c-ares/c-ares/commit/f4d8c9a |
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[5] = https://github.com/c-ares/c-ares/commit/b674abd |
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[6] = https://github.com/c-ares/c-ares/pull/632 |
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[7] = https://github.com/c-ares/c-ares/pull/634 |
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[8] = https://github.com/c-ares/c-ares/pull/633 |
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[9] = https://github.com/c-ares/c-ares/commit/33ee6c0 |
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[10] = https://github.com/c-ares/c-ares/pull/627 |
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[11] = https://github.com/c-ares/c-ares/commit/320cefe |
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[12] = https://github.com/c-ares/c-ares/pull/625 |
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[1] = https://github.com/c-ares/c-ares/pull/643 |
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[2] = https://github.com/c-ares/c-ares/issues/644 |
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[3] = https://github.com/c-ares/c-ares/pull/646 |
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[4] = https://github.com/c-ares/c-ares/pull/650 |
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[5] = https://github.com/c-ares/c-ares/pull/653 |
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[6] = https://github.com/c-ares/c-ares/pull/655 |
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[7] = https://github.com/c-ares/c-ares/commit/c982bf4 |
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