deps: update c-ares to v1.34.6

Author: richardlau

deps/cares/CMakeLists.txt

@@ -12,7 +12,7 @@ INCLUDE (CheckCSourceCompiles)
 INCLUDE (CheckStructHasMember)
 INCLUDE (CheckLibraryExists)
 
-PROJECT (c-ares LANGUAGES C VERSION "1.34.5" )
+PROJECT (c-ares LANGUAGES C VERSION "1.34.6" )
 
 # Set this version before release
 SET (CARES_VERSION "${PROJECT_VERSION}")
@@ -30,7 +30,7 @@ INCLUDE (GNUInstallDirs) # include this *AFTER* PROJECT(), otherwise paths are w
 # For example, a version of 4:0:2 would generate output such as:
 #    libname.so   -> libname.so.2
 #    libname.so.2 -> libname.so.2.2.0
-SET (CARES_LIB_VERSIONINFO "21:4:19")
+SET (CARES_LIB_VERSIONINFO "21:5:19")
 
 
 OPTION (CARES_STATIC        "Build as a static library"                                             OFF)
@@ -45,15 +45,6 @@ OPTION (CARES_THREADS       "Build with thread-safety support"
 OPTION (CARES_COVERAGE      "Build for code coverage"                                               OFF)
 SET    (CARES_RANDOM_FILE "/dev/urandom" CACHE STRING "Suitable File / Device Path for entropy, such as /dev/urandom")
 
-
-# Tests require a C++14 compiler
-IF (CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS)
-	set(CMAKE_CXX_STANDARD 14)
-	set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
-	set(CMAKE_CXX_EXTENSIONS FALSE)
-	enable_language(CXX)
-ENDIF ()
-
 # Tests require static to be enabled on Windows to be able to access otherwise hidden symbols
 IF ((CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS) AND (NOT CARES_STATIC) AND WIN32)
 	SET (CARES_STATIC ON)
@@ -269,7 +260,7 @@ ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
 	LIST (APPEND SYSFLAGS -D__EXTENSIONS__ -D_REENTRANT -D_XOPEN_SOURCE=600)
 ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX")
 	LIST (APPEND SYSFLAGS -D_ALL_SOURCE -D_XOPEN_SOURCE=700 -D_USE_IRS)
-ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
+ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR CMAKE_SYSTEM_NAME STREQUAL "MidnightBSD")
 	# Don't define _XOPEN_SOURCE on FreeBSD, it actually reduces visibility instead of increasing it
 ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "QNX")
 	LIST (APPEND SYSFLAGS -D_QNX_SOURCE)
@@ -630,6 +621,7 @@ IF (HAVE_GETADDRINFO)
 		CMAKE_SYSTEM_NAME STREQUAL "NetBSD" OR
 		CMAKE_SYSTEM_NAME STREQUAL "SunOS" OR
 		CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR
+		CMAKE_SYSTEM_NAME STREQUAL "MidnightBSD" OR
 		CMAKE_SYSTEM_NAME STREQUAL "AIX" OR
 		WIN32)
 			SET (HAVE_GETADDRINFO_THREADSAFE 1)

deps/cares/Makefile.in

@@ -133,7 +133,6 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/ares_check_user_namespace.m4 \
 	$(top_srcdir)/m4/ax_code_coverage.m4 \
 	$(top_srcdir)/m4/ax_compiler_vendor.m4 \
 	$(top_srcdir)/m4/ax_cxx_compile_stdcxx.m4 \
-	$(top_srcdir)/m4/ax_cxx_compile_stdcxx_14.m4 \
 	$(top_srcdir)/m4/ax_file_escapes.m4 \
 	$(top_srcdir)/m4/ax_pthread.m4 \
 	$(top_srcdir)/m4/ax_require_defined.m4 \
@@ -334,10 +333,13 @@ GCOV = @GCOV@
 GENHTML = @GENHTML@
 GMOCK112_CFLAGS = @GMOCK112_CFLAGS@
 GMOCK112_LIBS = @GMOCK112_LIBS@
+GMOCK117_CFLAGS = @GMOCK117_CFLAGS@
+GMOCK117_LIBS = @GMOCK117_LIBS@
 GMOCK_CFLAGS = @GMOCK_CFLAGS@
 GMOCK_LIBS = @GMOCK_LIBS@
 GREP = @GREP@
 HAVE_CXX14 = @HAVE_CXX14@
+HAVE_CXX17 = @HAVE_CXX17@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@

deps/cares/RELEASE-NOTES.md

@@ -1,28 +1,42 @@
-## c-ares version 1.34.5 - April 8 2025
+## c-ares version 1.34.6 - December 8 2025
 
 This is a security release.
 
 Security:
-* CVE-2025-31498. A use-after-free bug has been uncovered in read_answers() that
-  was introduced in v1.32.3.  Please see https://github.com/c-ares/c-ares/security/advisories/GHSA-6hxc-62jh-p29v
+* CVE-2025-62408. A use-after-free bug has been uncovered in read_answers() that
+  was introduced in v1.32.3. Please see https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5
 
 Changes:
-* Restore Windows XP support. [PR #958](https://github.com/c-ares/c-ares/pull/958)
+* Ignore Windows IDN Search Domains until proper IDN support is added. [PR #1034](https://github.com/c-ares/c-ares/pull/1034)
 
 Bugfixes:
-* A missing mutex initialization would make busy polling for configuration
-  changes (platforms other than Windows, Linux, MacOS) eat too much CPU
-  [PR #974](https://github.com/c-ares/c-ares/pull/974)
-* Pkgconfig may be generated wrong for static builds in relation to `-pthread`
-  [PR #965](https://github.com/c-ares/c-ares/pull/965)
-* Localhost resolution can fail if only one address family is in `/etc/hosts`
-  [PR #947](https://github.com/c-ares/c-ares/pull/947)
+* Event Thread could stall when not notified of new queries on existing
+  connections that are in a bad state
+  [PR #1032](https://github.com/c-ares/c-ares/pull/1032)
+* fix conversion of invalid service to port number in ares_getaddrinfo()
+  [PR #1029](https://github.com/c-ares/c-ares/pull/1029)
+* fix memory leak in ares_uri
+  [PR #1012](https://github.com/c-ares/c-ares/pull/1012)
+* Ignore ares_event_configchg_init failures
+  [PR #1009](https://github.com/c-ares/c-ares/pull/1009)
+* Use XOR for random seed generation on fallback logic.
+  [PR #994](https://github.com/c-ares/c-ares/pull/994)
+* Fix clang build on windows.
+  [PR #996](https://github.com/c-ares/c-ares/pull/996)
+* Fix IPv6 link-local nameservers in /etc/resolv.conf
+  [PR #996](https://github.com/c-ares/c-ares/pull/997)
+* Fix a few build issues on MidnightBSD.
+  [PR #983](https://github.com/c-ares/c-ares/pull/983)
 
 Thanks go to these friendly people for their efforts and contributions for this
 release:
 
 * Brad House (@bradh352)
-* Erik Lax (@eriklax)
-* Florian Pfisterer (@FlorianPfisterer)
-* Kai Pastor (@dg0yt)
+* (@F3lixTheCat)
+* Lucas Holt (@laffer1)
+* @oargon
+* Pavel P (@pps83)
+* Sean Harmer (@seanharmer)
+* Uwe (@nixblik)
+
 

deps/cares/aclocal.m4

@@ -1236,7 +1236,6 @@ m4_include([m4/ax_check_link_flag.m4])
 m4_include([m4/ax_code_coverage.m4])
 m4_include([m4/ax_compiler_vendor.m4])
 m4_include([m4/ax_cxx_compile_stdcxx.m4])
-m4_include([m4/ax_cxx_compile_stdcxx_14.m4])
 m4_include([m4/ax_file_escapes.m4])
 m4_include([m4/ax_pthread.m4])
 m4_include([m4/ax_require_defined.m4])

deps/cares/aminclude_static.am

@@ -1,6 +1,6 @@
 
 # aminclude_static.am generated automatically by Autoconf
-# from AX_AM_MACROS_STATIC on Tue Apr  8 12:12:30 UTC 2025
+# from AX_AM_MACROS_STATIC on Mon Dec  8 16:21:41 UTC 2025
 
 
 # Code coverage