try harder to link unix_socket plugin statically

fix unix_socket tests to work if unix_socket is a built-in

cmake/build_configurations/mysql_release.cmake

@@ -97,20 +97,20 @@ ELSEIF(RPM)
   SET(CHECKMODULE /usr/bin/checkmodule CACHE STRING "")
   SET(SEMODULE_PACKAGE /usr/bin/semodule_package CACHE STRING "")
   SET(WITH_LIBARCHIVE ON CACHE STRING "")
-  SET(PLUGIN_AUTH_SOCKET YES)
+  SET(PLUGIN_AUTH_SOCKET YES CACHE STRING "")
 ELSEIF(DEB)
   SET(WITH_SSL system CACHE STRING "")
   SET(WITH_ZLIB system CACHE STRING "")
   SET(WITH_LIBWRAP ON)
   SET(HAVE_EMBEDDED_PRIVILEGE_CONTROL ON)
   SET(WITH_LIBARCHIVE ON CACHE STRING "")
-  SET(PLUGIN_AUTH_SOCKET YES)
+  SET(PLUGIN_AUTH_SOCKET YES CACHE STRING "")
 ELSE()
   SET(WITH_SSL bundled CACHE STRING "")
   SET(WITH_ZLIB bundled CACHE STRING "")
   SET(WITH_JEMALLOC static CACHE STRING "")
   SET(WITH_LIBARCHIVE STATIC CACHE STRING "")
-  SET(PLUGIN_AUTH_SOCKET STATIC)
+  SET(PLUGIN_AUTH_SOCKET STATIC CACHE STRING "")
 ENDIF()
 
 IF(NOT COMPILATION_COMMENT)

debian/mariadb-server-10.4.install

@@ -40,7 +40,6 @@ usr/lib/mysql/plugin/auth_ed25519.so
 usr/lib/mysql/plugin/auth_pam.so
 usr/lib/mysql/plugin/auth_pam_tool_dir/auth_pam_tool
 usr/lib/mysql/plugin/auth_pam_v1.so
-usr/lib/mysql/plugin/auth_socket.so
 usr/lib/mysql/plugin/disks.so
 usr/lib/mysql/plugin/file_key_management.so
 usr/lib/mysql/plugin/ha_archive.so

mysql-test/include/have_unix_socket.inc

 --source include/not_embedded.inc
 
-if (!$AUTH_SOCKET_SO) {
-  skip No unix_socket plugin;
+if (`select count(*) = 0 from information_schema.plugins where plugin_name = 'unix_socket' and plugin_status='active'`)
+{
+  --skip Needs unix_socket plugin
 }
 
 if (!$USER) {

mysql-test/include/have_unix_socket.opt

+--plugin-load-add=$AUTH_SOCKET_SO --loose-enable-unix-socket

mysql-test/main/failed_auth_unixsocket.result

 update mysql.global_priv set priv=json_insert(priv, '$.plugin', 'unix_socket');
 flush privileges;
 connect(localhost,USER,,test,MASTER_PORT,MASTER_SOCKET);
-ERROR HY000: Plugin 'unix_socket' is not loaded
-ERROR HY000: Plugin 'unix_socket' is not loaded
-install plugin unix_socket soname 'auth_socket.so';
-flush privileges;
-connect(localhost,USER,,test,MASTER_PORT,MASTER_SOCKET);
 ERROR 28000: Access denied for user 'USER'@'localhost'
 ERROR 28000: Access denied for user 'USER'@'localhost'
 update mysql.global_priv set priv=json_compact(json_remove(priv, '$.plugin'));
 flush privileges;
-uninstall plugin unix_socket;

mysql-test/main/failed_auth_unixsocket.test

@@ -11,20 +11,6 @@ flush privileges;
 # that matches other parts of the error message.
 let $replace=Access denied for user '$USER';
 
---echo connect(localhost,USER,,test,MASTER_PORT,MASTER_SOCKET);
---replace_result $replace "Access denied for user 'USER'"
---disable_query_log
---error ER_PLUGIN_IS_NOT_LOADED
-connect (fail,localhost,$USER);
---enable_query_log
-
---replace_result $replace "Access denied for user 'USER'"
---error ER_PLUGIN_IS_NOT_LOADED
-change_user $USER;
-
-eval install plugin unix_socket soname '$AUTH_SOCKET_SO';
-flush privileges;
-
 --echo connect(localhost,USER,,test,MASTER_PORT,MASTER_SOCKET);
 --replace_result $replace "Access denied for user 'USER'"
 --disable_query_log
@@ -38,5 +24,3 @@ change_user $USER;
 
 update mysql.global_priv set priv=json_compact(json_remove(priv, '$.plugin'));
 flush privileges;
-uninstall plugin unix_socket;
-

mysql-test/suite/plugins/r/multiauth.result

-install soname 'auth_socket';
 install soname 'auth_ed25519';
 create user USER         identified via unix_socket OR mysql_native_password as password("GOOD");
 create user mysqltest1 identified via unix_socket OR mysql_native_password as password("good");
@@ -190,5 +189,4 @@ select user(), current_user(), database();
 user()	current_user()	database()
 mysqltest1@localhost	mysqltest1@%	test
 drop user mysqltest1;
-uninstall soname 'auth_socket';
 uninstall soname 'auth_ed25519';

mysql-test/suite/plugins/r/unix_socket.result

-install plugin unix_socket soname 'auth_socket.so';
 #
 # with named user
 #
@@ -28,4 +27,3 @@ USER@localhost	@%	test
 #
 delete from mysql.user where user='';
 FLUSH PRIVILEGES;
-uninstall plugin unix_socket;

mysql-test/suite/plugins/t/multiauth.test

@@ -10,7 +10,6 @@ if (!$AUTH_ED25519_SO) {
 }
 
 --let $plugindir=`SELECT @@global.plugin_dir`
-install soname 'auth_socket';
 install soname 'auth_ed25519';
 
 --let $try_auth=$MYSQL_TEST < $MYSQLTEST_VARDIR/tmp/peercred_test.txt 2>&1
@@ -192,6 +191,5 @@ show create user mysqltest1;
 --exec $try_auth -u mysqltest1 -pworks --plugin-dir=$plugindir/no
 drop user mysqltest1;
 
-uninstall soname 'auth_socket';
 uninstall soname 'auth_ed25519';
 --remove_file $MYSQLTEST_VARDIR/tmp/peercred_test.txt

mysql-test/suite/plugins/t/unix_socket.test

 --source include/have_unix_socket.inc
 
-if (!$USER) {
-  skip USER variable is undefined;
-}
-
-let $plugindir=`SELECT @@global.plugin_dir`;
-
-eval install plugin unix_socket soname '$AUTH_SOCKET_SO';
-
 --echo #
 --echo # with named user
 --echo #
@@ -26,13 +18,13 @@ EOF
 --echo #
 --echo # name match = ok
 --echo #
---exec $MYSQL_TEST -u $USER --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+--exec $MYSQL_TEST -u $USER < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
 
 --echo #
 --echo # name does not match = failure
 --echo #
 --error 1
---exec $MYSQL_TEST -u foobar --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+--exec $MYSQL_TEST -u foobar < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
 
 --let $replace=drop user $USER
 --replace_result $replace "drop user USER"
@@ -45,16 +37,15 @@ grant SELECT ON test.* TO '' identified via unix_socket;
 --echo #
 --echo # name match = ok
 --echo #
---exec $MYSQL_TEST -u $USER --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+--exec $MYSQL_TEST -u $USER < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
 
 --echo #
 --echo # name does not match = failure
 --echo #
 --error 1
---exec $MYSQL_TEST -u foobar --plugin-dir=$plugindir < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
+--exec $MYSQL_TEST -u foobar < $MYSQLTEST_VARDIR/tmp/peercred_test.txt
 
 # restoring mysql.user to the original state.
 delete from mysql.user where user='';
 FLUSH PRIVILEGES;
-uninstall plugin unix_socket;
 --remove_file $MYSQLTEST_VARDIR/tmp/peercred_test.txt

plugin/auth_socket/CMakeLists.txt

@@ -65,5 +65,5 @@ ENDIF()
 ENDIF()
 
 IF(ok)
-  MYSQL_ADD_PLUGIN(auth_socket auth_socket.c)
+  MYSQL_ADD_PLUGIN(auth_socket auth_socket.c DEFAULT)
 ENDIF()

scripts/mysql_install_db.sh

@@ -345,7 +345,7 @@ then
     cannot_find_file fill_help_tables.sql @pkgdata_locations@
     exit 1
   fi
-  plugindir=`find_in_dirs --dir auth_socket.so $basedir/lib*/plugin $basedir/lib*/mysql/plugin`
+  plugindir=`find_in_dirs --dir auth_pam.so $basedir/lib*/plugin $basedir/lib*/mysql/plugin`
   pamtooldir=$plugindir
 # relative from where the script was run for a relocatable install
 elif test -n "$dirname0" -a -x "$rel_mysqld" -a ! "$rel_mysqld" -ef "@sbindir@/mysqld"