deps: update c-ares to v1.32.3

PR-URL: #54020
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>

deps/cares/CMakeLists.txt

@@ -12,7 +12,7 @@ INCLUDE (CheckCSourceCompiles)
 INCLUDE (CheckStructHasMember)
 INCLUDE (CheckLibraryExists)
 
-PROJECT (c-ares LANGUAGES C VERSION "1.32.2" )
+PROJECT (c-ares LANGUAGES C VERSION "1.32.3" )
 
 # 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 "19:2:17")
+SET (CARES_LIB_VERSIONINFO "19:3:17")
 
 
 OPTION (CARES_STATIC        "Build as a static library"                                             OFF)

deps/cares/RELEASE-NOTES.md

@@ -1,3 +1,29 @@
+## c-ares version 1.32.3 - July 24 2024
+
+This is a bugfix release.
+
+Changes:
+* Prevent complex recursion during query requeuing and connection cleanup for
+  stability. [e8b32b8](https://github.com/c-ares/c-ares/commit/e8b32b8)
+* Better propagate error codes on requeue situations.
+  [a9bc0a2](https://github.com/c-ares/c-ares/commit/a9bc0a2)
+* Try to prevent SIGPIPE from being generated and delivered to integrations.
+  [de01baa](https://github.com/c-ares/c-ares/commit/de01baa)
+
+Bugfixes:
+* Missing manpage for `ares_dns_record_set_id()`
+  [aa462b3](https://github.com/c-ares/c-ares/commit/aa462b3)
+* Memory leak in `ares__hosts_entry_to_hostent()` due to allocation strategy.
+  [PR #824](https://github.com/c-ares/c-ares/pull/824)
+* UDP write failure detected via ICMP unreachable should trigger faster
+  failover.  [PR #821](https://github.com/c-ares/c-ares/pull/821)
+* Fix pycares test case regression due to wrong error code being returned.
+  Regression from 1.31.0. [PR #820](https://github.com/c-ares/c-ares/pull/820)
+* Fix possible Windows crash during `ares_destroy()` when using event threads.
+  [5609bd4](https://github.com/c-ares/c-ares/commit/5609bd4)
+* `ARES_OPT_MAXTIMEOUTMS` wasn't being honored in all cases.
+  [a649c60](https://github.com/c-ares/c-ares/commit/a649c60)
+
 ## c-ares version 1.32.2 - July 15 2024
 
 This is a bugfix release.

deps/cares/aminclude_static.am

@@ -1,6 +1,6 @@
 
 # aminclude_static.am generated automatically by Autoconf
-# from AX_AM_MACROS_STATIC on Mon Jul 15 09:00:09 EDT 2024
+# from AX_AM_MACROS_STATIC on Wed Jul 24 05:40:58 EDT 2024
 
 
 # Code coverage

deps/cares/configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for c-ares 1.32.2.
+# Generated by GNU Autoconf 2.72 for c-ares 1.32.3.
 #
 # Report bugs to <c-ares mailing list: http://lists.haxx.se/listinfo/c-ares>.
 #
@@ -614,8 +614,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='c-ares'
 PACKAGE_TARNAME='c-ares'
-PACKAGE_VERSION='1.32.2'
-PACKAGE_STRING='c-ares 1.32.2'
+PACKAGE_VERSION='1.32.3'
+PACKAGE_STRING='c-ares 1.32.3'
 PACKAGE_BUGREPORT='c-ares mailing list: http://lists.haxx.se/listinfo/c-ares'
 PACKAGE_URL=''
 
@@ -1415,7 +1415,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures c-ares 1.32.2 to adapt to many kinds of systems.
+'configure' configures c-ares 1.32.3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1486,7 +1486,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of c-ares 1.32.2:";;
+     short | recursive ) echo "Configuration of c-ares 1.32.3:";;
    esac
   cat <<\_ACEOF
 
@@ -1623,7 +1623,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-c-ares configure 1.32.2
+c-ares configure 1.32.3
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -2267,7 +2267,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by c-ares $as_me 1.32.2, which was
+It was created by c-ares $as_me 1.32.3, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3259,7 +3259,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-CARES_VERSION_INFO="19:2:17"
+CARES_VERSION_INFO="19:3:17"
 
 
 
@@ -5999,7 +5999,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='c-ares'
- VERSION='1.32.2'
+ VERSION='1.32.3'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -26339,7 +26339,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by c-ares $as_me 1.32.2, which was
+This file was extended by c-ares $as_me 1.32.3, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -26407,7 +26407,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-c-ares config.status 1.32.2
+c-ares config.status 1.32.3
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

deps/cares/configure.ac

@@ -2,10 +2,10 @@ dnl Copyright (C) The c-ares project and its contributors
 dnl SPDX-License-Identifier: MIT
 AC_PREREQ([2.69])
 
-AC_INIT([c-ares], [1.32.2],
+AC_INIT([c-ares], [1.32.3],
   [c-ares mailing list: http://lists.haxx.se/listinfo/c-ares])
 
-CARES_VERSION_INFO="19:2:17"
+CARES_VERSION_INFO="19:3:17"
 dnl This flag accepts an argument of the form current[:revision[:age]]. So,
 dnl passing -version-info 3:12:1 sets current to 3, revision to 12, and age to
 dnl 1.

deps/cares/docs/Makefile.in

@@ -374,6 +374,7 @@ MANPAGES = ares_cancel.3		\
   ares_dns_record_rr_del.3		\
   ares_dns_record_rr_get.3		\
   ares_dns_record_rr_get_const.3	\
+  ares_dns_record_set_id.3		\
   ares_dns_rec_type_fromstr.3		\
   ares_dns_rec_type_tostr.3		\
   ares_dns_rec_type_t.3			\

deps/cares/docs/Makefile.inc

@@ -36,6 +36,7 @@ MANPAGES = ares_cancel.3		\
   ares_dns_record_rr_del.3		\
   ares_dns_record_rr_get.3		\
   ares_dns_record_rr_get_const.3	\
+  ares_dns_record_set_id.3		\
   ares_dns_rec_type_fromstr.3		\
   ares_dns_rec_type_tostr.3		\
   ares_dns_rec_type_t.3			\

deps/cares/docs/ares_dns_record.3

@@ -32,6 +32,9 @@ ares_dns_record_t *ares_dns_record_duplicate(const ares_dns_record_t *dnsrec);
 
 unsigned short ares_dns_record_get_id(const ares_dns_record_t *dnsrec);
 
+ares_bool_t ares_dns_record_set_id(ares_dns_record_t *dnsrec,
+                                   unsigned short id);
+
 unsigned short ares_dns_record_get_flags(const ares_dns_record_t *dnsrec);
 
 ares_dns_opcode_t ares_dns_record_get_opcode(const ares_dns_record_t *dnsrec);
@@ -343,6 +346,14 @@ message id from the DNS record provided in the
 .IR dnsrec
 parameter.
 
+The \fIares_dns_record_set_id(3)\fP function is used to set the DNS
+message id in the
+.IR id
+parameter from the DNS record provided in the
+.IR dnsrec
+parameter.  This id will be overwritten when passing the record to c-ares,
+so mostly exists for external purposes.
+
 The \fIares_dns_record_get_flags(3)\fP function is used to retrieve the DNS
 message flags from the DNS record provided in the
 .IR dnsrec
@@ -428,12 +439,12 @@ is returned on out of memory,
 .B ARES_EFORMERR
 is returned on misuse.
 
-\fIares_dns_record_get_id(3)\fP, \fIares_dns_record_get_flags(3)\fP,
-\fIares_dns_record_get_opcode(3)\fP, \fIares_dns_record_get_rcode(3)\fP, and
-\fIares_dns_record_query_cnt(3)\fP all returned their prescribed datatype
-values and in general can't fail except for misuse cases, in which a 0 may
-be returned, however 0 can also be a valid return value for most of these
-functions.
+\fIares_dns_record_get_id(3)\fP, \fIares_dns_record_set_id(3)\fP,
+\fIares_dns_record_get_flags(3)\fP, \fIares_dns_record_get_opcode(3)\fP,
+\fIares_dns_record_get_rcode(3)\fP, and \fIares_dns_record_query_cnt(3)\fP
+all returned their prescribed datatype values and in general can't fail except
+for misuse cases, in which a 0 may be returned, however 0 can also be a valid
+return value for most of these functions.
 
 
 .SH AVAILABILITY

deps/cares/docs/ares_dns_record_set_id.3

@@ -0,0 +1,3 @@
+.\" Copyright (C) 2023 The c-ares project and its contributors.
+.\" SPDX-License-Identifier: MIT
+.so man3/ares_dns_record.3

deps/cares/include/ares_version.h

@@ -32,11 +32,11 @@
 
 #define ARES_VERSION_MAJOR 1
 #define ARES_VERSION_MINOR 32
-#define ARES_VERSION_PATCH 2
+#define ARES_VERSION_PATCH 3
 #define ARES_VERSION                                        \
   ((ARES_VERSION_MAJOR << 16) | (ARES_VERSION_MINOR << 8) | \
    (ARES_VERSION_PATCH))
-#define ARES_VERSION_STR "1.32.2"
+#define ARES_VERSION_STR "1.32.3"
 
 #define CARES_HAVE_ARES_LIBRARY_INIT    1
 #define CARES_HAVE_ARES_LIBRARY_CLEANUP 1

deps/cares/src/lib/Makefile.in

@@ -15,7 +15,7 @@
 @SET_MAKE@
 
 # aminclude_static.am generated automatically by Autoconf
-# from AX_AM_MACROS_STATIC on Mon Jul 15 09:00:09 EDT 2024
+# from AX_AM_MACROS_STATIC on Wed Jul 24 05:40:58 EDT 2024
 
 # Copyright (C) The c-ares project and its contributors
 # SPDX-License-Identifier: MIT

deps/cares/src/lib/ares__close_sockets.c

@@ -28,19 +28,21 @@
 #include "ares_private.h"
 #include <assert.h>
 
-static void ares__requeue_queries(struct server_connection *conn)
+static void ares__requeue_queries(struct server_connection *conn,
+                                  ares_status_t requeue_status)
 {
   struct query  *query;
   ares_timeval_t now;
 
   ares__tvnow(&now);
 
   while ((query = ares__llist_first_val(conn->queries_to_conn)) != NULL) {
-    ares__requeue_query(query, &now);
+    ares__requeue_query(query, &now, requeue_status);
   }
 }
 
-void ares__close_connection(struct server_connection *conn)
+void ares__close_connection(struct server_connection *conn,
+                            ares_status_t requeue_status)
 {
   struct server_state *server  = conn->server;
   ares_channel_t      *channel = server->channel;
@@ -58,7 +60,7 @@ void ares__close_connection(struct server_connection *conn)
   }
 
   /* Requeue queries to other connections */
-  ares__requeue_queries(conn);
+  ares__requeue_queries(conn, requeue_status);
 
   ares__llist_destroy(conn->queries_to_conn);
 
@@ -74,45 +76,63 @@ void ares__close_sockets(struct server_state *server)
 
   while ((node = ares__llist_node_first(server->connections)) != NULL) {
     struct server_connection *conn = ares__llist_node_val(node);
-    ares__close_connection(conn);
+    ares__close_connection(conn, ARES_SUCCESS);
   }
 }
 
-void ares__check_cleanup_conn(const ares_channel_t     *channel,
-                              struct server_connection *conn)
+void ares__check_cleanup_conns(const ares_channel_t *channel)
 {
-  ares_bool_t do_cleanup = ARES_FALSE;
+  ares__slist_node_t *snode;
 
-  if (channel == NULL || conn == NULL) {
+  if (channel == NULL) {
     return; /* LCOV_EXCL_LINE: DefensiveCoding */
   }
 
-  if (ares__llist_len(conn->queries_to_conn)) {
-    return;
+  /* Iterate across each server */
+  for (snode = ares__slist_node_first(channel->servers); snode != NULL;
+       snode = ares__slist_node_next(snode)) {
+
+    struct server_state *server = ares__slist_node_val(snode);
+    ares__llist_node_t  *cnode;
+
+    /* Iterate across each connection */
+    cnode = ares__llist_node_first(server->connections);
+    while (cnode != NULL) {
+      ares__llist_node_t       *next       = ares__llist_node_next(cnode);
+      struct server_connection *conn       = ares__llist_node_val(cnode);
+      ares_bool_t               do_cleanup = ARES_FALSE;
+      cnode = next;
+
+      /* Has connections, not eligible */
+      if (ares__llist_len(conn->queries_to_conn)) {
+        continue;
+      }
+
+      /* If we are configured not to stay open, close it out */
+      if (!(channel->flags & ARES_FLAG_STAYOPEN)) {
+        do_cleanup = ARES_TRUE;
+      }
+
+      /* If the associated server has failures, close it out. Resetting the
+       * connection (and specifically the source port number) can help resolve
+       * situations where packets are being dropped.
+       */
+      if (conn->server->consec_failures > 0) {
+        do_cleanup = ARES_TRUE;
+      }
+
+      /* If the udp connection hit its max queries, always close it */
+      if (!conn->is_tcp && channel->udp_max_queries > 0 &&
+          conn->total_queries >= channel->udp_max_queries) {
+        do_cleanup = ARES_TRUE;
+      }
+
+      if (!do_cleanup) {
+        continue;
+      }
+
+      /* Clean it up */
+      ares__close_connection(conn, ARES_SUCCESS);
+    }
   }
-
-  /* If we are configured not to stay open, close it out */
-  if (!(channel->flags & ARES_FLAG_STAYOPEN)) {
-    do_cleanup = ARES_TRUE;
-  }
-
-  /* If the associated server has failures, close it out. Resetting the
-   * connection (and specifically the source port number) can help resolve
-   * situations where packets are being dropped.
-   */
-  if (conn->server->consec_failures > 0) {
-    do_cleanup = ARES_TRUE;
-  }
-
-  /* If the udp connection hit its max queries, always close it */
-  if (!conn->is_tcp && channel->udp_max_queries > 0 &&
-      conn->total_queries >= channel->udp_max_queries) {
-    do_cleanup = ARES_TRUE;
-  }
-
-  if (!do_cleanup) {
-    return;
-  }
-
-  ares__close_connection(conn);
 }