move authentication_windows_client and mysql_clear_password clear client auth plugins

out of libmysql into separate dynamic plugins in the plugin/ directory.

move dialog and auth_socket plugins out of the plugin directory with examples into
dedicated directories in plugin/

include/mysql/auth_dialog_client.h

@@ -0,0 +1,56 @@
+#ifndef MYSQL_AUTH_DIALOG_CLIENT_INCLUDED
+/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/**
+  @file
+
+  Definitions needed to use Dialog client authentication plugin
+*/
+
+struct st_mysql;
+
+#define MYSQL_AUTH_DIALOG_CLIENT_INCLUDED
+
+/**
+  type of the mysql_authentication_dialog_ask function
+
+  @param mysql          mysql
+  @param type           type of the input
+                        1 - ordinary string input
+                        2 - password string
+  @param prompt         prompt
+  @param buf            a buffer to store the use input
+  @param buf_len        the length of the buffer
+
+  @retval               a pointer to the user input string.
+                        It may be equal to 'buf' or to 'mysql->password'.
+                        In all other cases it is assumed to be an allocated
+                        string, and the "dialog" plugin will free() it.
+*/
+typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
+                      int type, const char *prompt, char *buf, int buf_len);
+
+/**
+  first byte of the question string is the question "type".
+  It can be an "ordinary" or a "password" question.
+  The last bit set marks a last question in the authentication exchange.
+*/
+#define ORDINARY_QUESTION       "\2"
+#define LAST_QUESTION           "\3"
+#define PASSWORD_QUESTION       "\4"
+#define LAST_PASSWORD           "\5"
+
+#endif

include/mysql/client_plugin.h

@@ -23,6 +23,30 @@
 */
 #define MYSQL_CLIENT_PLUGIN_INCLUDED
 
+/*
+  On Windows, exports from DLL need to be declared
+  Also, plugin needs to be declared as extern "C" because MSVC 
+  unlike other compilers, uses C++ mangling for variables not only
+  for functions.
+*/
+#if defined(_MSC_VER)
+#if defined(MYSQL_DYNAMIC_PLUGIN)
+  #ifdef __cplusplus
+    #define MYSQL_PLUGIN_EXPORT extern "C" __declspec(dllexport)
+  #else
+    #define MYSQL_PLUGIN_EXPORT __declspec(dllexport)
+  #endif
+#else /* MYSQL_DYNAMIC_PLUGIN */
+  #ifdef __cplusplus
+    #define  MYSQL_PLUGIN_EXPORT extern "C"
+  #else
+    #define MYSQL_PLUGIN_EXPORT 
+  #endif
+#endif /*MYSQL_DYNAMIC_PLUGIN */
+#else /*_MSC_VER */
+#define MYSQL_PLUGIN_EXPORT
+#endif
+
 #ifndef MYSQL_ABI_CHECK
 #include <stdarg.h>
 #include <stdlib.h>
@@ -74,24 +98,8 @@ struct st_mysql_client_plugin_AUTHENTICATION
   int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, struct st_mysql *mysql);
 };
 
-/**
-  type of the mysql_authentication_dialog_ask function
+#include <mysql/auth_dialog_client.h>
 
-  @param mysql          mysql
-  @param type           type of the input
-                        1 - ordinary string input
-                        2 - password string
-  @param prompt         prompt
-  @param buf            a buffer to store the use input
-  @param buf_len        the length of the buffer
-
-  @retval               a pointer to the user input string.
-                        It may be equal to 'buf' or to 'mysql->password'.
-                        In all other cases it is assumed to be an allocated
-                        string, and the "dialog" plugin will free() it.
-*/
-typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
-                      int type, const char *prompt, char *buf, int buf_len);
 /******** using plugins ************/
 
 /**

include/mysql/client_plugin.h.pp

@@ -24,6 +24,8 @@ struct st_mysql_client_plugin_AUTHENTICATION
   int type; unsigned int interface_version; const char *name; const char *author; const char *desc; unsigned int version[3]; const char *license; void *mysql_api; int (*init)(char *, size_t, int, va_list); int (*deinit)(); int (*options)(const char *option, const void *);
   int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, struct st_mysql *mysql);
 };
+#include <mysql/auth_dialog_client.h>
+struct st_mysql;
 typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
                       int type, const char *prompt, char *buf, int buf_len);
 struct st_mysql_client_plugin *

libmysql/CMakeLists.txt

@@ -134,12 +134,6 @@ CACHE INTERNAL "Functions exported by client API"
 
 )
 
-IF(WIN32)
-  ADD_SUBDIRECTORY(authentication_win)
-  SET(WITH_AUTHENTICATION_WIN 1)
-  ADD_DEFINITIONS(-DAUTHENTICATION_WIN)
-ENDIF(WIN32)
-
 SET(CLIENT_SOURCES
   get_password.c 
   libmysql.c

plugin/auth_dialog/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; version 2 of the
+# License.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
+
+MYSQL_ADD_PLUGIN(dialog dialog.c MODULE_ONLY)

plugin/auth_dialog/dialog.c

@@ -43,138 +43,13 @@
 # define _GNU_SOURCE /* for RTLD_DEFAULT */
 #endif
 
-#include <mysql/plugin_auth.h>
 #include <mysql/client_plugin.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <mysql.h>
+#include <dlfcn.h>
 
-/**
-  first byte of the question string is the question "type".
-  It can be an "ordinary" or a "password" question.
-  The last bit set marks a last question in the authentication exchange.
-*/
-#define ORDINARY_QUESTION       "\2"
-#define LAST_QUESTION           "\3"
-#define PASSWORD_QUESTION       "\4"
-#define LAST_PASSWORD           "\5"
-
-/********************* SERVER SIDE ****************************************/
-
-/**
-  dialog demo with two questions, one password and one, the last, ordinary.
-*/
-static int two_questions(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
-{
-  unsigned char *pkt;
-  int pkt_len;
-
-  /* send a password question */
-  if (vio->write_packet(vio,
-                        (const unsigned char *) PASSWORD_QUESTION "Password, please:",
-                        18))
-    return CR_ERROR;
-
-  /* read the answer */
-  if ((pkt_len= vio->read_packet(vio, &pkt)) < 0)
-    return CR_ERROR;
-
-  info->password_used= PASSWORD_USED_YES;
-
-  /* fail if the password is wrong */
-  if (strcmp((const char *) pkt, info->auth_string))
-    return CR_ERROR;
-
-  /* send the last, ordinary, question */
-  if (vio->write_packet(vio,
-                        (const unsigned char *) LAST_QUESTION "Are you sure ?",
-                        15))
-    return CR_ERROR;
-
-  /* read the answer */
-  if ((pkt_len= vio->read_packet(vio, &pkt)) < 0)
-    return CR_ERROR;
-
-  /* check the reply */
-  return strcmp((const char *) pkt, "yes, of course") ? CR_ERROR : CR_OK;
-}
-
-static struct st_mysql_auth two_handler=
-{
-  MYSQL_AUTHENTICATION_INTERFACE_VERSION,
-  "dialog", /* requires dialog client plugin */
-  two_questions
-};
-
-/* dialog demo where the number of questions is not known in advance */
-static int three_attempts(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
-{
-  unsigned char *pkt;
-  int pkt_len, i;
-
-  for (i= 0; i < 3; i++)
-  {
-    /* send the prompt */
-    if (vio->write_packet(vio, 
-		(const unsigned char *) PASSWORD_QUESTION "Password, please:", 18))
-      return CR_ERROR;
-
-    /* read the password */
-    if ((pkt_len= vio->read_packet(vio, &pkt)) < 0)
-      return CR_ERROR;
-
-    info->password_used= PASSWORD_USED_YES;
-
-    /*
-      finish, if the password is correct.
-      note, that we did not mark the prompt packet as "last"
-    */
-    if (strcmp((const char *) pkt, info->auth_string) == 0)
-      return CR_OK;
-  }
-
-  return CR_ERROR;
-}
-
-static struct st_mysql_auth three_handler=
-{
-  MYSQL_AUTHENTICATION_INTERFACE_VERSION,
-  "dialog", /* requires dialog client plugin */
-  three_attempts 
-};
-
-mysql_declare_plugin(dialog)
-{
-  MYSQL_AUTHENTICATION_PLUGIN,
-  &two_handler,
-  "two_questions",
-  "Sergei Golubchik",
-  "Dialog plugin demo 1",
-  PLUGIN_LICENSE_GPL,
-  NULL,
-  NULL,
-  0x0100,
-  NULL,
-  NULL,
-  NULL
-},
-{
-  MYSQL_AUTHENTICATION_PLUGIN,
-  &three_handler,
-  "three_attempts",
-  "Sergei Golubchik",
-  "Dialog plugin demo 2",
-  PLUGIN_LICENSE_GPL,
-  NULL,
-  NULL,
-  0x0100,
-  NULL,
-  NULL,
-  NULL
-}
-mysql_declare_plugin_end;
-
-/********************* CLIENT SIDE ***************************************/
 /*
   This plugin performs a dialog with the user, asking questions and
   reading answers. Depending on the client it may be desirable to do it
@@ -186,9 +61,6 @@ mysql_declare_plugin_end;
   dialog plugin will use it for communication with the user. Otherwise
   a default fgets() based implementation will be used.
 */
-#include <mysql.h>
-#include <dlfcn.h>
-
 static mysql_authentication_dialog_ask_t ask;
 
 static char *builtin_ask(MYSQL *mysql __attribute__((unused)),

plugin/auth_examples/CMakeLists.txt

@@ -14,7 +14,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 
-MYSQL_ADD_PLUGIN(auth dialog.c 
+MYSQL_ADD_PLUGIN(dialog_examples dialog_examples.c 
   MODULE_ONLY)
 MYSQL_ADD_PLUGIN(auth_test_plugin test_plugin.c 
   MODULE_ONLY)
@@ -27,15 +27,5 @@ MYSQL_ADD_PLUGIN(qa_auth_server qa_auth_server.c
 MYSQL_ADD_PLUGIN(qa_auth_client qa_auth_client.c
   MODULE_ONLY)
 
-CHECK_CXX_SOURCE_COMPILES(
-"#define _GNU_SOURCE
-#include <sys/socket.h>
-int main() {
-  struct ucred cred;
-  getsockopt(0, SOL_SOCKET, SO_PEERCRED, &cred, 0);
-}" HAVE_PEERCRED)
-
-IF(HAVE_PEERCRED)
-  MYSQL_ADD_PLUGIN(auth_socket auth_socket.c
-    MODULE_ONLY)
-ENDIF()
+MYSQL_ADD_PLUGIN(mysql_clear_password clear_password_client.c
+  MODULE_ONLY)

plugin/auth_examples/clear_password_client.c

@@ -0,0 +1,47 @@
+/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+#include <mysql/client_plugin.h>
+#include <mysql.h>
+#include <string.h>
+
+/**
+  The main function of the mysql_clear_password authentication plugin.
+*/
+
+static int clear_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
+{
+  int res;
+
+  /* send password in clear text */
+  res= vio->write_packet(vio, (const unsigned char *) mysql->passwd, 
+                              strlen(mysql->passwd) + 1);
+
+  return res ? CR_ERROR : CR_OK;
+}
+
+mysql_declare_client_plugin(AUTHENTICATION)
+  "mysql_clear_password",
+  "Georgi Kodinov",
+  "Clear password authentication plugin",
+  {0,1,0},
+  "GPL",
+  NULL,
+  NULL,
+  NULL,
+  NULL,
+  clear_password_auth_client
+mysql_end_client_plugin;
+

plugin/auth_examples/dialog_examples.c

@@ -0,0 +1,154 @@
+/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
+   Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; version 2 of the
+    License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
+
+/**
+  @file
+
+  examples for dialog client authentication plugin
+
+  Two examples are provided: two_questions server plugin, that asks
+  the password and an "Are you sure?" question with a reply "yes, of course".
+  It demonstrates the usage of "password" (input is hidden) and "ordinary"
+  (input can be echoed) questions, and how to mark the last question,
+  to avoid an extra roundtrip.
+
+  And three_attempts plugin that gives the user three attempts to enter
+  a correct password. It shows the situation when a number of questions
+  is not known in advance.
+*/
+
+#include <mysql/plugin_auth.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <mysql/auth_dialog_client.h>
+
+/********************* SERVER SIDE ****************************************/
+
+/**
+  dialog demo with two questions, one password and one, the last, ordinary.
+*/
+static int two_questions(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
+{
+  unsigned char *pkt;
+  int pkt_len;
+
+  /* send a password question */
+  if (vio->write_packet(vio,
+                        (const unsigned char *) PASSWORD_QUESTION "Password, please:",
+                        18))
+    return CR_ERROR;
+
+  /* read the answer */
+  if ((pkt_len= vio->read_packet(vio, &pkt)) < 0)
+    return CR_ERROR;
+
+  info->password_used= PASSWORD_USED_YES;
+
+  /* fail if the password is wrong */
+  if (strcmp((const char *) pkt, info->auth_string))
+    return CR_ERROR;
+
+  /* send the last, ordinary, question */
+  if (vio->write_packet(vio,
+                        (const unsigned char *) LAST_QUESTION "Are you sure ?",
+                        15))
+    return CR_ERROR;
+
+  /* read the answer */
+  if ((pkt_len= vio->read_packet(vio, &pkt)) < 0)
+    return CR_ERROR;
+
+  /* check the reply */
+  return strcmp((const char *) pkt, "yes, of course") ? CR_ERROR : CR_OK;
+}
+
+static struct st_mysql_auth two_handler=
+{
+  MYSQL_AUTHENTICATION_INTERFACE_VERSION,
+  "dialog", /* requires dialog client plugin */
+  two_questions
+};
+
+/* dialog demo where the number of questions is not known in advance */
+static int three_attempts(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)
+{
+  unsigned char *pkt;
+  int pkt_len, i;
+
+  for (i= 0; i < 3; i++)
+  {
+    /* send the prompt */
+    if (vio->write_packet(vio, 
+		(const unsigned char *) PASSWORD_QUESTION "Password, please:", 18))
+      return CR_ERROR;
+
+    /* read the password */
+    if ((pkt_len= vio->read_packet(vio, &pkt)) < 0)
+      return CR_ERROR;
+
+    info->password_used= PASSWORD_USED_YES;
+
+    /*
+      finish, if the password is correct.
+      note, that we did not mark the prompt packet as "last"
+    */
+    if (strcmp((const char *) pkt, info->auth_string) == 0)
+      return CR_OK;
+  }
+
+  return CR_ERROR;
+}
+
+static struct st_mysql_auth three_handler=
+{
+  MYSQL_AUTHENTICATION_INTERFACE_VERSION,
+  "dialog", /* requires dialog client plugin */
+  three_attempts 
+};
+
+mysql_declare_plugin(dialog)
+{
+  MYSQL_AUTHENTICATION_PLUGIN,
+  &two_handler,
+  "two_questions",
+  "Sergei Golubchik",
+  "Dialog plugin demo 1",
+  PLUGIN_LICENSE_GPL,
+  NULL,
+  NULL,
+  0x0100,
+  NULL,
+  NULL,
+  NULL
+},
+{
+  MYSQL_AUTHENTICATION_PLUGIN,
+  &three_handler,
+  "three_attempts",
+  "Sergei Golubchik",
+  "Dialog plugin demo 2",
+  PLUGIN_LICENSE_GPL,
+  NULL,
+  NULL,
+  0x0100,
+  NULL,
+  NULL,
+  NULL
+}
+mysql_declare_plugin_end;
+

plugin/auth_examples/qa_auth_client.c

@@ -21,16 +21,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-/**
-  first byte of the question string is the question "type".
-  It can be a "ordinary" or a "password" question.
-  The last bit set marks a last question in the authentication exchange.
-*/
-#define ORDINARY_QUESTION       "\2"
-#define LAST_QUESTION           "\3"
-#define LAST_PASSWORD           "\4"
-#define PASSWORD_QUESTION       "\5"
-
 /********************* CLIENT SIDE ***************************************/
 /*
   client plugin used for testing the plugin API

plugin/auth_examples/qa_auth_interface.c

@@ -21,16 +21,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-/**
-  first byte of the question string is the question "type".
-  It can be a "ordinary" or a "password" question.
-  The last bit set marks a last question in the authentication exchange.
-*/
-#define ORDINARY_QUESTION       "\2"
-#define LAST_QUESTION           "\3"
-#define LAST_PASSWORD           "\4"
-#define PASSWORD_QUESTION       "\5"
-
 /********************* SERVER SIDE ****************************************/
 
 static int qa_auth_interface (MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)

plugin/auth_examples/qa_auth_server.c

@@ -21,16 +21,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-/**
-  first byte of the question string is the question "type".
-  It can be a "ordinary" or a "password" question.
-  The last bit set marks a last question in the authentication exchange.
-*/
-#define ORDINARY_QUESTION       "\2"
-#define LAST_QUESTION           "\3"
-#define LAST_PASSWORD           "\4"
-#define PASSWORD_QUESTION       "\5"
-
 /********************* SERVER SIDE ****************************************/
 
 static int qa_auth_interface (MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info)

plugin/auth_examples/test_plugin.c

@@ -32,16 +32,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-/**
-  first byte of the question string is the question "type".
-  It can be a "ordinary" or a "password" question.
-  The last bit set marks a last question in the authentication exchange.
-*/
-#define ORDINARY_QUESTION       "\2"
-#define LAST_QUESTION           "\3"
-#define LAST_PASSWORD           "\4"
-#define PASSWORD_QUESTION       "\5"
-
 /********************* SERVER SIDE ****************************************/
 
 /**

plugin/auth_socket/CMakeLists.txt

@@ -0,0 +1,27 @@
+# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; version 2 of the
+# License.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
+
+CHECK_CXX_SOURCE_COMPILES(
+"#define _GNU_SOURCE
+#include <sys/socket.h>
+int main() {
+  struct ucred cred;
+  getsockopt(0, SOL_SOCKET, SO_PEERCRED, &cred, 0);
+}" HAVE_PEERCRED)
+
+IF(HAVE_PEERCRED)
+  MYSQL_ADD_PLUGIN(auth_socket auth_socket.c MODULE_ONLY)
+ENDIF()

plugin/win_auth_client/CMakeLists.txt

@@ -13,21 +13,22 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 
-#
-# Configuration for building Windows Authentication Plugin (client-side)
-#
+IF(WIN32)
+  #
+  # Configuration for building Windows Authentication Plugin (client-side)
+  #
 
-ADD_DEFINITIONS(-DSECURITY_WIN32)
-ADD_DEFINITIONS(-DDEBUG_ERRROR_LOG)  # no error logging in production builds
-ADD_DEFINITIONS(-DWINAUTH_USE_DBUG_LIB)      # it is OK to use dbug library in statically
-                                             # linked plugin
+  ADD_DEFINITIONS(-DSECURITY_WIN32)
+  ADD_DEFINITIONS(-DDEBUG_ERRROR_LOG)  # no error logging in production builds
+  #ADD_DEFINITIONS(-DWINAUTH_USE_DBUG_LIB)      # it is OK to use dbug library in statically
+  #                                             # linked plugin
 
-SET(HEADERS common.h handshake.h)
-SET(PLUGIN_SOURCES plugin_client.cc handshake_client.cc log_client.cc common.cc handshake.cc)
+  SET(HEADERS common.h handshake.h)
+  SET(PLUGIN_SOURCES plugin_client.cc handshake_client.cc
+      log_client.cc common.cc handshake.cc)
 
-ADD_CONVENIENCE_LIBRARY(auth_win_client ${PLUGIN_SOURCES} ${HEADERS})
-TARGET_LINK_LIBRARIES(auth_win_client Secur32)
+  MYSQL_ADD_PLUGIN(authentication_windows_client ${PLUGIN_SOURCES} ${HEADERS}
+    LINK_LIBRARUES Secur32
+    MODULE_ONLY)
 
-# In IDE, group headers in a separate folder.
-
-SOURCE_GROUP(Headers REGULAR_EXPRESSION ".*h$")
+ENDIF(WIN32)

sql-common/client.c

@@ -2272,7 +2272,6 @@ typedef struct st_mysql_client_plugin_AUTHENTICATION auth_plugin_t;
 static int client_mpvio_write_packet(struct st_plugin_vio*, const uchar*, int);
 static int native_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql);
 static int old_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql);
-static int clear_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql);
 
 static auth_plugin_t native_password_client_plugin=
 {
@@ -2306,39 +2305,13 @@ static auth_plugin_t old_password_client_plugin=
   old_password_auth_client
 };
 
-static auth_plugin_t clear_password_client_plugin=
-{
-  MYSQL_CLIENT_AUTHENTICATION_PLUGIN,
-  MYSQL_CLIENT_AUTHENTICATION_PLUGIN_INTERFACE_VERSION,
-  "mysql_clear_password",
-  "Georgi Kodinov",
-  "Clear password authentication plugin",
-  {0,1,0},
-  "GPL",
-  NULL,
-  NULL,
-  NULL,
-  NULL,
-  clear_password_auth_client
-};
-
-#ifdef AUTHENTICATION_WIN
-extern auth_plugin_t win_auth_client_plugin;
-#endif
-
 struct st_mysql_client_plugin *mysql_client_builtins[]=
 {
   (struct st_mysql_client_plugin *)&native_password_client_plugin,
   (struct st_mysql_client_plugin *)&old_password_client_plugin,
-  (struct st_mysql_client_plugin *)&clear_password_client_plugin,
-#ifdef AUTHENTICATION_WIN
-  (struct st_mysql_client_plugin *)&win_auth_client_plugin,
-#endif
   0
 };
 
-
-
 /* this is a "superset" of MYSQL_PLUGIN_VIO, in C++ I use inheritance */
 typedef struct {
   int (*read_packet)(struct st_plugin_vio *vio, uchar **buf);
@@ -4342,18 +4315,3 @@ static int old_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
   DBUG_RETURN(CR_OK);
 }
 
-/**
-  The main function of the mysql_clear_password authentication plugin.
-*/
-
-static int clear_password_auth_client(MYSQL_PLUGIN_VIO *vio, MYSQL *mysql)
-{
-  int res;
-
-  /* send password in clear text */
-  res= vio->write_packet(vio, (const unsigned char *) mysql->passwd, 
-						 strlen(mysql->passwd) + 1);
-
-  return res ? CR_ERROR : CR_OK;
-}
-