mysql_secure_installation.sh
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:6k
源码类别:
MySQL数据库
开发平台:
Visual C++
- #!/bin/sh
- # Copyright (C) 2002 MySQL AB and Jeremy Cole
- #
- # 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; either version 2 of the License, or
- # (at your option) any later version.
- #
- # 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
- config=".my.cnf.$$"
- command=".mysql.$$"
- trap "interrupt" 2
- rootpass=""
- prepare() {
- touch $config $command
- chmod 600 $config $command
- }
- do_query() {
- echo $1 >$command
- mysql --defaults-file=$config <$command
- return $?
- }
- make_config() {
- echo "# mysql_secure_installation config file" >$config
- echo "[mysql]" >>$config
- echo "user=root" >>$config
- echo "password=$rootpass" >>$config
- }
- get_root_password() {
- status=1
- while [ $status -eq 1 ]; do
- stty -echo
- echo -n "Enter current password for root (enter for none): "
- read password
- echo
- stty echo
- if [ "x$password" = "x" ]; then
- hadpass=0
- else
- hadpass=1
- fi
- rootpass=$password
- make_config
- do_query ""
- status=$?
- done
- echo "OK, successfully used password, moving on..."
- echo
- }
- set_root_password() {
- stty -echo
- echo -n "New password: "
- read password1
- echo
- echo -n "Re-enter new password: "
- read password2
- echo
- stty echo
- if [ "$password1" != "$password2" ]; then
- echo "Sorry, passwords do not match."
- echo
- return 1
- fi
- if [ "$password1" = "" ]; then
- echo "Sorry, you can't use an empty password here."
- echo
- return 1
- fi
- do_query "UPDATE mysql.user SET Password=PASSWORD('$password1') WHERE User='root';"
- if [ $? -eq 0 ]; then
- echo "Password updated successfully!"
- echo "Reloading privilege tables.."
- if ! reload_privilege_tables; then
- exit 1
- fi
- echo
- rootpass=$password1
- make_config
- else
- echo "Password update failed!"
- exit 1
- fi
- return 0
- }
- remove_anonymous_users() {
- do_query "DELETE FROM mysql.user WHERE User='';"
- if [ $? -eq 0 ]; then
- echo " ... Success!"
- else
- echo " ... Failed!"
- exit 1
- fi
- return 0
- }
- remove_remote_root() {
- do_query "DELETE FROM mysql.user WHERE User='root' AND Host!='localhost';"
- if [ $? -eq 0 ]; then
- echo " ... Success!"
- else
- echo " ... Failed!"
- fi
- }
- remove_test_database() {
- echo " - Dropping test database..."
- do_query "DROP DATABASE test;"
- if [ $? -eq 0 ]; then
- echo " ... Success!"
- else
- echo " ... Failed! Not critical, keep moving..."
- fi
- echo " - Removing privileges on test database..."
- do_query "DELETE FROM mysql.db WHERE Db='test' OR Db='test\_%'"
- if [ $? -eq 0 ]; then
- echo " ... Success!"
- else
- echo " ... Failed! Not critical, keep moving..."
- fi
- return 0
- }
- reload_privilege_tables() {
- do_query "FLUSH PRIVILEGES;"
- if [ $? -eq 0 ]; then
- echo " ... Success!"
- return 0
- else
- echo " ... Failed!"
- return 1
- fi
- }
- interrupt() {
- echo
- echo "Aborting!"
- echo
- cleanup
- stty echo
- exit 1
- }
- cleanup() {
- echo "Cleaning up..."
- rm -f $config $command
- }
- # The actual script starts here
- prepare
- echo
- echo
- echo
- echo
- echo "NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL"
- echo " SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!"
- echo
- echo
- echo "In order to log into MySQL to secure it, we'll need the current"
- echo "password for the root user. If you've just installed MySQL, and"
- echo "you haven't set the root password yet, the password will be blank,"
- echo "so you should just press enter here."
- echo
- get_root_password
- #
- # Set the root password
- #
- echo "Setting the root password ensures that nobody can log into the MySQL"
- echo "root user without the proper authorisation."
- echo
- if [ $hadpass -eq 0 ]; then
- echo -n "Set root password? [Y/n] "
- else
- echo "You already have a root password set, so you can safely answer 'n'."
- echo
- echo -n "Change the root password? [Y/n] "
- fi
- read reply
- if [ "$reply" = "n" ]; then
- echo " ... skipping."
- else
- status=1
- while [ $status -eq 1 ]; do
- set_root_password
- status=$?
- done
- fi
- echo
- #
- # Remove anonymous users
- #
- echo "By default, a MySQL installation has an anonymous user, allowing anyone"
- echo "to log into MySQL without having to have a user account created for"
- echo "them. This is intended only for testing, and to make the installation"
- echo "go a bit smoother. You should remove them before moving into a"
- echo "production environment."
- echo
- echo -n "Remove anonymous users? [Y/n] "
- read reply
- if [ "$reply" = "n" ]; then
- echo " ... skipping."
- else
- remove_anonymous_users
- fi
- echo
- #
- # Disallow remote root login
- #
- echo "Normally, root should only be allowed to connect from 'localhost'. This"
- echo "ensures that someone cannot guess at the root password from the network."
- echo
- echo -n "Disallow root login remotely? [Y/n] "
- read reply
- if [ "$reply" = "n" ]; then
- echo " ... skipping."
- else
- remove_remote_root
- fi
- echo
- #
- # Remove test database
- #
- echo "By default, MySQL comes with a database named 'test' that anyone can"
- echo "access. This is also intended only for testing, and should be removed"
- echo "before moving into a production environment."
- echo
- echo -n "Remove test database and access to it? [Y/n] "
- read reply
- if [ "$reply" = "n" ]; then
- echo " ... skipping."
- else
- remove_test_database
- fi
- echo
- #
- # Reload privilege tables
- #
- echo "Reloading the privilege tables will ensure that all changes made so far"
- echo "will take effect immediately."
- echo
- echo -n "Reload privilege tables now? [Y/n] "
- read reply
- if [ "$reply" = "n" ]; then
- echo " ... skipping."
- else
- reload_privilege_tables
- fi
- echo
- cleanup
- echo
- echo
- echo
- echo "All done! If you've completed all of the above steps, your MySQL"
- echo "installation should now be secure."
- echo
- echo "Thanks for using MySQL!"
- echo
- echo