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deps: update c-ares to 1.28.1
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PR-URL: #52285
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>
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Changelog for the c-ares project. Generated with git2changes.pl

Version 1.28.1 (30 Mar 2024)

GitHub (30 Mar 2024)
- [Brad House brought this change]

release prep for 1.28.1 (#739)

Brad House (30 Mar 2024)
- ares_search() and ares_getaddrinfo() resolution fails if no search domains

Due to an error in creating the list of domains to search, if no search
domains were configured, resolution would fail.

Fixes Issue: #737
Fix By: Brad House (@bradh352)

- typo

Version 1.28.0 (28 Mar 2024)

GitHub (28 Mar 2024)
- [Brad House brought this change]

Allow configuration value for NDots to be zero (#735)

As per Issue #734 some people use `ndots:0` in their configuration which
is allowed by the system resolver but not by c-ares. Add support for
`ndots:0` and add a test case to validate this behavior.

Fixes Issue: #734
Fix By: Brad House (@bradh352)

Brad House (27 Mar 2024)
- typo

GitHub (27 Mar 2024)
- [Brad House brought this change]

1.28.0 release prep (#733)

Brad House (27 Mar 2024)
- CMake: don't overwrite global required libraries/definitions/includes

When chain building c-ares, global settings were being unset which
could lead to build problems.

Fixes Issue: #729
Fix By: Brad House (@bradh352)

- remove tests that have been disabled forever

- clang-format

- ares_search_dnsrec() takes a const

- sonarcloud: clean up some minor codesmells

GitHub (26 Mar 2024)
- [Brad House brought this change]

mark deprecated functions as such (#732)

Multiple functions have been deprecated over the years, annotate them
with attribute deprecated.

When possible show a message about their replacements.

This is a continuation/completion of PR #706

Fix By: Cristian Rodríguez (@crrodriguez)

Brad House (26 Mar 2024)
- silence clang static analyzer

- silence coverity

- coverity: fix mostly bogus warnings

- fix missing doc

GitHub (25 Mar 2024)
- [Brad House brought this change]

Rework internals to pass around `ares_dns_record_t` instead of binary data (#730)

c-ares has historically passed around raw dns packets in binary form.
Now that we have a new parser, and messages are already parsed
internally, lets pass around that parsed message rather than requiring
multiple parse attempts on the same message. Also add a new
`ares_send_dnsrec()` and `ares_query_dnsrec()` similar to
`ares_search_dnsrec()` added with PR #719 that can return the pointer to
the `ares_dns_record_t` to the caller enqueuing queries and rework
`ares_search_dnsrec()` to use `ares_send_dnsrec()` internally.

Fix By: Brad House (@bradh352)

Brad House (23 Mar 2024)
- tests: mockserver is local, shorten timeouts to make test cases run faster to use less CI resources

- appveyor: disable UWP builds until MSVC version is updated in base image

GitHub (21 Mar 2024)
- [Faraz brought this change]

Include netinet6/in6.h (#728)

On some platforms, "netinet6/in6.h" is not included by "netinet/in.h"
and needs to be included separately.

Fix By: Faraz (@farazrbx)

- [Oliver Welsh brought this change]

Add function ares_search_dnrec() to search for records using the new DNS record parser (#719)

This PR adds a new function `ares_search_dnsrec()` to search for records
using the new DNS record parser.

The function takes an arbitrary DNS record object to search (that must
represent a query for a single name). The function takes a new callback
type, `ares_callback_dnsrec`, that is invoked with a parsed DNS record
object rather than the raw buffer(+length).

The original motivation for this change is to provide support for
[draft-kaplan-enum-sip-routing-04](https://datatracker.ietf.org/doc/html/draft-kaplan-enum-sip-routing-04);
when routing phone calls using an ENUM server, it can be useful to
include identifying source information in an OPT RR options value, to
help select the appropriate route for the call. The new function allows
for more customisable searches like this.

**Summary of code changes**

A new function `ares_search_dnsrec()` has been added and exposed.
Moreover, the entire `ares_search_int()` internal code flow has been
refactored to use parsed DNS record objects and the new DNS record
parser. The DNS record object is passed through the `search_query`
structure by encoding/decoding to/from a buffer (if multiple search
domains are used). A helper function `ares_dns_write_query_altname()` is
used to re-write the DNS record object with a new query name (used to
append search domains).

`ares_search()` is now a wrapper around the new internal code, where the
DNS record object is created based on the name, class and type
parameters.

The new function uses a new callback type, `ares_callback_dnsrec`. This
is invoked with a parsed DNS record object. For now, we convert from
`ares_callback` to this new type using `ares__dnsrec_convert_cb()`.

Some functions that are common to both `ares_query()` and
`ares_search()` have been refactored using the new DNS record parser.
See `ares_dns_record_create_query()` and
`ares_dns_query_reply_tostatus()`.

**Testing**

A new FV has been added to test the new function, which searches for a
DNS record containing an OPT RR with custom options value.

As part of this, I needed to enhance the mock DNS server to expect
request text (and assert that it matches actual request text). This is
because the FV needs to check that the request contains the correct OPT
RR.

**Documentation**

The man page docs have been updated to describe the new feature.

**Futures**

In the future, a new variant of `ares_send()` could be introduced in the
same vein (`ares_send_dnsrec()`). This could be used by
`ares_search_dnsrec()`. Moreover, we could migrate internal code to use
`ares_callback_dnsrec` as the default callback.

This will help to make the new DNS record parser the norm in C-Ares.

---------

Co-authored-by: Oliver Welsh (@oliverwelsh)

- [Brad House brought this change]

Replace configuration file parsers with memory-safe parser (#725)

Rewrite configuration parsers using new memory safe parsing functions.
After CVE-2024-25629 its obvious that we need to prioritize again on
getting all the hand written parsers with direct pointer manipulation
replaced. They're just not safe and hard to audit. It was yet another
example of 20+yr old code having a memory safety issue just now coming
to light.

Though these parsers are definitely less efficient, they're written with
memory safety in mind, and any performance difference is going to be
meaningless for something that only happens once a while.

Fix By: Brad House (@bradh352)

Brad House (12 Mar 2024)
- skip ubsan/asan on debian arm64 due to the compiler getting killed

- ares_init potential memory leak

If initializing using default settings fails, there may be a memory leak of
search domains that were set by system configuration.

Fixes Issue: #724
Fix By: Brad House (@bradh352)

GitHub (12 Mar 2024)
- [Faraz Fallahi brought this change]

simple implementation for isascii where stdlib isascii is not available (#721)

Some platforms don't have the isascii() function. Implement as a macro.

Fix By: Faraz Fallahi (@fffaraz)

Brad House (11 Mar 2024)
- Doxygen: fix typos

Fix reported typos in doxygen-style comments.

Fixes Issue: #722
Credit: @dzalyalov88

- CI: update freebsd image

- CMake: Fix Chain building if CMAKE runtime paths not set

This fixes issues created by #708

Fix By: Brad House (@bradh352)

- silence benign warnings

- Remove acountry completely from code, including manpage

Since acountry cannot be restored due to nerd.dk being decommissioned,
we should completely remove the manpage and source. This also
will resolve issue #718.

Fixes Issue: #718
Fix By: Brad House (@bradh352)

Version 1.27.0 (22 Feb 2024)

GitHub (22 Feb 2024)
Expand Down Expand Up @@ -6100,127 +6345,3 @@ Yang Tse (10 Mar 2013)

Daniel Stenberg (9 Mar 2013)
- ares.h: there is no ares_free_soa function

Yang Tse (9 Mar 2013)
- Makefile.am: empty AM_LDFLAGS definition for automake 1.7 compatibility

- ares_inet_ntop.3: s/socklen_t/ares_socklen_t

- configure: use XC_LIBTOOL for portability across libtool versions

- xc-lt-iface.m4: provide XC_LIBTOOL macro

- Makefile.am: use AM_CPPFLAGS instead of INCLUDES

- inet_ntop.c: s/socklen_t/ares_socklen_t

- inet_ntop.c: s/socklen_t/ares_socklen_t for portability

Daniel Stenberg (19 Feb 2013)
- ares.h: s/socklen_t/ares_socklen_t for portability

- ares_inet_ntop.3: 4th argument is socklen_t!

- spell inet correctly!

- ares_inet_pton/ntop: cleanup

Make sure that the symbols are always exported and present in c-ares.

Make the headers prefixed with 'ares'.

Removed the inet_ntop.h version as it no longer features any content.

- ares_inet_ntop/ares_inet_pton: added man pages

Yang Tse (15 Feb 2013)
- [Gisle Vanem brought this change]

curl_setup_once.h: definition of HAVE_CLOSE_S defines sclose() to close_s()

- [Gisle Vanem brought this change]

config-dos.h: define HAVE_CLOSE_S for MSDOS/Watt-32

- [Gisle Vanem brought this change]

config-dos.h: define strerror() to strerror_s_() for High-C

Daniel Stenberg (13 Feb 2013)
- ares_get_datatype: removed unused function

it was also wrongly named as internal functions require two underscores

- ares__bitncmp: use two underscores for private functions

It used a single one previously making it look like a public one

- ares__generate_new_id: moved to ares_query.c

... and ares__rc4 is turned into a local static function.

- ares__swap_lists: make private and static

... since there's only one user, make it static within ares_process.c

Yang Tse (13 Feb 2013)
- Makefile.msvc: add four VS version strings

Daniel Stenberg (13 Feb 2013)
- ares_expand_name.3: clarify how to free the data

Yang Tse (30 Jan 2013)
- zz40-xc-ovr.m4: fix 'wc' detection - follow-up 2

- Fix a pair of single quotes to double quotes.

URL: http://curl.haxx.se/mail/lib-2013-01/0355.html
Reported by: Tor Arntsen

- zz40-xc-ovr.m4: fix 'wc' detection - follow-up

- Take into account that 'wc' may return leading spaces and/or tabs.

- Set initial IFS to space, tab and newline.

- zz40-xc-ovr.m4: fix 'wc' detection

- Take into account that 'wc' may return leading spaces.

- Set internationalization behavior variables.

Tor Arntsen analyzed and reported the issue.

URL: http://curl.haxx.se/mail/lib-2013-01/0351.html

- zz40-xc-ovr.m4: check another three basic utilities

- zz40-xc-ovr.m4: 1.0 interface stabilization

- Stabilization results in 4 public interface m4 macros:
XC_CONFIGURE_PREAMBLE
XC_CONFIGURE_PREAMBLE_VER_MAJOR
XC_CONFIGURE_PREAMBLE_VER_MINOR
XC_CHECK_PATH_SEPARATOR
- Avoid one level of internal indirection
- Update comments
- Drop XC_OVR_ZZ40 macro

- zz40-xc-ovr.m4: emit witness message in configure BODY

This avoids witness message in output when running configure --help,
while sending the message to config.log for other configure runs.

- zz40-xc-ovr.m4: truly do version conditional overriding

- version conditional overriding
- catch unexpanded XC macros
- fix double words in comments

- zz40-xc-ovr.m4: fix variable assignment of subshell output bashism

Tor Arntsen analyzed and reported the issue.

URL: http://curl.haxx.se/mail/lib-2013-01/0306.html

- zz40-xc-ovr.m4: reinstate strict AC_REQUIRE macro dependencies
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