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PR-URL: #51846 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Mohammed Keyvanzadeh <[email protected]> Reviewed-By: Marco Ippolito <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>
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| Changelog for the c-ares project. Generated with git2changes.pl | ||
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| Version 1.27.0 (22 Feb 2024) | ||
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| GitHub (22 Feb 2024) | ||
| - [Brad House brought this change] | ||
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| Release 1.27.0 (#715) | ||
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| release prep for 1.27.0 release | ||
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| - [Brad House brought this change] | ||
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| Merge pull request from GHSA-mg26-v6qh-x48q | ||
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| - [Oliver Welsh brought this change] | ||
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| Add flag to not use a default local named server on channel initialization (#713) | ||
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| Hello, I work on an application for Microsoft which uses c-ares to | ||
| perform DNS lookups. We have made some minor changes to the library over | ||
| time, and would like to contribute these back to the project in case | ||
| they are useful more widely. This PR adds a new channel init flag, | ||
| described below. | ||
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| Please let me know if I can include any more information to make this PR | ||
| better/easier for you to review. Thanks! | ||
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| **Summary** | ||
| When initializing a channel with `ares_init_options()`, if there are no | ||
| nameservers available (because `ARES_OPT_SERVERS` is not used and | ||
| `/etc/resolv.conf` is either empty or not available) then a default | ||
| local named server will be added to the channel. | ||
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| However in some applications a local named server will never be | ||
| available. In this case, all subsequent queries on the channel will | ||
| fail. | ||
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| If we know this ahead of time, then it may be preferred to fail channel | ||
| initialization directly rather than wait for the queries to fail. This | ||
| gives better visibility, since we know that the failure is due to | ||
| missing servers rather than something going wrong with the queries. | ||
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| This PR adds a new flag `ARES_FLAG_NO_DFLT_SVR`, to indicate that a | ||
| default local named server should not be added to a channel in this | ||
| scenario. Instead, a new error `ARES_EINITNOSERVER` is returned and | ||
| initialization fails. | ||
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| **Testing** | ||
| I have added 2 new FV tests: | ||
| - `ContainerNoDfltSvrEmptyInit` to test that initialization fails when | ||
| no nameservers are available and the flag is set. | ||
| - `ContainerNoDfltSvrFullInit` to test that initialization still | ||
| succeeds when the flag is set but other nameservers are available. | ||
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| Existing FVs are all passing. | ||
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| **Documentation** | ||
| I have had a go at manually updating the docs to describe the new | ||
| flag/error, but couldn't see any contributing guidance about testing | ||
| this. Please let me know if you'd like anything more here. | ||
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| --------- | ||
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| Fix By: Oliver Welsh (@oliverwelsh) | ||
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| Brad House (18 Feb 2024) | ||
| - badge should be only main branch | ||
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| - put logo in readme | ||
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| - clang-format | ||
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| GitHub (17 Feb 2024) | ||
| - [Brad House brought this change] | ||
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| Add ares_queue_active_queries() (#712) | ||
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| Add a function to request the number of active queries from an ares | ||
| channel. This will return the number of inflight requests to dns | ||
| servers. Some functions like `ares_getaddrinfo()` when using `AF_UNSPEC` | ||
| may enqueue multiple queries which will be reflected in this count. | ||
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| In the future, if we implement support for queuing (e.g. for throttling | ||
| purposes), and/or implement support for tracking user-requested queries | ||
| (e.g. for cancelation), we can provide additional functions for | ||
| inspecting those queues. | ||
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| Fix By: Brad House (@bradh352) | ||
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| - [Vojtěch Vobr brought this change] | ||
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| fix leaking DNS suffix search list on Windows (#711) | ||
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| ares__strsplit provides a newly allocated buffer, so suffix list in | ||
| line variable isn't referenced anymore. Related ares_free seems to | ||
| have gone missing during refactoring made in #594 | ||
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| Fix By: Vojtěch Vobr (@vojtechvobr) | ||
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| - [Brad House brought this change] | ||
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| Add ares_queue_wait_empty() for use with EventThreads (#710) | ||
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| It may be useful to wait for the queue to be empty under certain conditions (mainly test cases), expose a function to efficiently do this and rework test cases to use it. | ||
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| Fix By: Brad House (@bradh352) | ||
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| - [Cheng Zhao brought this change] | ||
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| Fix warning about ignoring result of write (#709) | ||
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| Fix the compiler warning from clang: | ||
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| ``` | ||
| ares_event_wake_pipe.c:120:3: error: ignoring return value of function declared with 'warn_unused_result' attribute [-Werror,-Wunused-result] | ||
| 120 | write(p->filedes[1], "1", 1); | ||
| | ^~~~~ ~~~~~~~~~~~~~~~~~~~~~ | ||
| 1 error generated. | ||
| ``` | ||
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| Fix By: Cheng Zhao (@zcbenz) | ||
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| Brad House (5 Feb 2024) | ||
| - CMake: don't override target output locations if not top-level | ||
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| CMake was unconditionally setting output locations globally, but | ||
| it should not do that if it is not the top-level project (e.g. | ||
| during chain building). Detect this fact and only set the output | ||
| location when top level. | ||
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| Fixes Issue: #708 | ||
| Fix By: Anthony Alayo (@anthonyalayo) | ||
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| - make docs match PR #705 | ||
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| GitHub (31 Jan 2024) | ||
| - [Cristian Rodríguez brought this change] | ||
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| lower EDNSPACKETSZ to 1232 (#705) | ||
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| In 2020, it was agreed this is optimal maximum size and all | ||
| major server software was updated to reflect this. | ||
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| see https://www.dnsflagday.net/2020/#faq | ||
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| Fix By: Cristian Rodríguez (@crrodriguez) | ||
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| Brad House (30 Jan 2024) | ||
| - fix version | ||
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| - fix typo | ||
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| - bad symlink | ||
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| - attempt to fix pkgconfig on windows for static builds | ||
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| GitHub (28 Jan 2024) | ||
| - [Andriy Utkin brought this change] | ||
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| docs/ares_init_options.3: fix args in analogy (#701) | ||
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| Fix By: Andriy Utkin <[email protected]> | ||
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| - [Brad House brought this change] | ||
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| sonarcloud: fix minor codesmells (#702) | ||
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| Fix minor codesmells, mostly related to missing 'const' in the new event system. | ||
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| Fix By: Brad House (@bradh352) | ||
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| Brad House (26 Jan 2024) | ||
| - remove outdated copyright text | ||
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| - spelling | ||
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| - sanity check GTest includes GMock component | ||
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| GitHub (26 Jan 2024) | ||
| - [Brad House brought this change] | ||
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| build-time disabled threads breaks c-ares (#700) | ||
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| Regression introduced in 1.26.0, building c-ares with threading disabled results in ares_init{_options}() failing. | ||
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| Also adds a new CI test case to prevent this regression in the future. | ||
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| Fixes Bug: #699 | ||
| Fix By: Brad House (@bradh352) | ||
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| Version 1.26.0 (25 Jan 2024) | ||
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| Brad House (25 Jan 2024) | ||
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@@ -6035,113 +6224,3 @@ Yang Tse (30 Jan 2013) | |
| URL: http://curl.haxx.se/mail/lib-2013-01/0306.html | ||
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| - zz40-xc-ovr.m4: reinstate strict AC_REQUIRE macro dependencies | ||
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| - zz40-xc-ovr.m4: avoid double single-quote usage | ||
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| - zz40-xc-ovr.m4: parentheses balancing of 'case' statements | ||
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| m4 quadrigraph shell comment technique allows proper autoconf | ||
| parentheses balancing in shell 'case' statements. The presence | ||
| of unbalanced parentheses may otherwise trigger expansion bugs. | ||
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| - zz40-xc-ovr.m4: internals overhauling | ||
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| - Update comments | ||
| - Execute commands in subshells | ||
| - Faster path separator check | ||
| - Fix missing 'test' command | ||
| - Rename private macros | ||
| - Minimize AC_REQUIRE usage | ||
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| - zz40-xc-ovr.m4: redirect errors and warnings to stderr | ||
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| - configure: use XC_CONFIGURE_PREAMBLE early checks | ||
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| Some basic checks we make were placed early enough in generated | ||
| configure script when using autoconf 2.5X versions. Newer autoconf | ||
| versions expand these checks much further into the configure script, | ||
| rendering them useless. Using XC_CONFIGURE_PREAMBLE fixes placement | ||
| of early intended checks across all our autoconf supported versions. | ||
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| - zz40-xc-ovr.m4: provide XC_CONFIGURE_PREAMBLE macro | ||
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| - configure: autotools compatibility fixes - step I | ||
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| Fix proper macro expansion order across autotools versions for | ||
| C compiler and preprocessor program checks. | ||
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| - configure: fix automake 1.13 compatibility | ||
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| Tested with: | ||
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| buildconf: autoconf version 2.69 | ||
| buildconf: autom4te version 2.69 | ||
| buildconf: autoheader version 2.69 | ||
| buildconf: automake version 1.13.1 | ||
| buildconf: aclocal version 1.13.1 | ||
| buildconf: libtool version 2.4 | ||
| buildconf: GNU m4 version 1.4.16 | ||
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| - ares_private.h: use again memdebug.h instead of curl_memdebug.h | ||
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| - configure.ac: replace AM_CONFIG_HEADER with AC_CONFIG_HEADERS | ||
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| automake 1.13 errors if AM_CONFIG_HEADER is used in configure script. | ||
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| - cares-override.m4: provide AC_CONFIG_MACRO_DIR definition conditionally | ||
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| Provide a 'traceable' AC_CONFIG_MACRO_DIR definition only when using | ||
| an autoconf version that does not provide it, instead of what we were | ||
| doing up to now of providing and overriding AC_CONFIG_MACRO_DIR for | ||
| all autoconf versions. | ||
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| - ares_private.h: use curl_memdebug.h instead of memdebug.h | ||
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| - vc6cares.dsp: add ares_create_query.c and ares_parse_soa_reply.c | ||
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| - cares-functions.m4: improve gethostname arg 2 data type check | ||
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| - setup_once.h: HP-UX specific 'bool', 'false' and 'true' definitions. | ||
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| Also reverts commit bceb40095a | ||
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| - configure: check if compiler halts on function prototype mismatch | ||
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| - cares-functions.m4: add gethostname arg 2 data type check and definition | ||
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| - cares-functions.m4: update thread-safeness detection of getaddrinfo() | ||
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| Take in account that POSIX standard Issue 7 drops h_errno support. Now, we also | ||
| consider getaddrinfo() to be thread-safe when (_POSIX_C_SOURCE >= 200809L) or | ||
| (_XOPEN_SOURCE >= 700) independently of whether h_errno exists or not. | ||
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| Take in account that h_errno might be a modifiable lvalue not defined as | ||
| a C preprocessor macro. | ||
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| - setup_once.h: HP-UX <sys/socket.h> issue workaround | ||
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| Issue: When building a 32bit target with large file support HP-UX | ||
| <sys/socket.h> header file may simultaneously provide two different | ||
| sets of declarations for sendfile and sendpath functions, one with | ||
| static and another with external linkage. Given that we do not use | ||
| mentioned functions we really don't care which linkage is the | ||
| appropriate one, but on the other hand, the double declaration emmits | ||
| warnings when using the HP-UX compiler and errors when using modern | ||
| gcc versions resulting in fatal compilation errors. | ||
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| Mentioned issue is now fixed as long as we don't use sendfile nor | ||
| sendpath functions. | ||
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| - setup_once.h: refactor inclusion of <unistd.h> and <sys/socket.h> | ||
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| Inclusion of these two header files now done in setup_once.h | ||
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| - Header inclusion clean-up | ||
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| Remove header inclusions already done in setup_once.h | ||
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| - setup_once.h: HP-UX specific TRUE and FALSE definitions | ||
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| Some HP-UX system headers require TRUE defined to 1 and FALSE to 0. | ||
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| - ares_timeout.c: fix compiler warning | ||
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