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#-----------------------------------------------------------------------------
# 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; 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
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# This notice applies to changes, created by or for Novell, Inc.,
# to preexisting works for which notices appear elsewhere in this file.
# Copyright (c) 2003 Novell, Inc. 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; 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
#-----------------------------------------------------------------------------
use strict;
use Mysql;
print "MySQL Secure Installation Script\n\n";
print "NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL\n";
print " SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!\n\n";
#-----------------------------------------------------------------------------
# get the current root password
#-----------------------------------------------------------------------------
print "In order to log into MySQL to secure it, we'll need the current\n";
print "password for the root user. If you've just installed MySQL, and\n";
print "you haven't set the root password yet, the password will be blank,\n";
print "so you should just press enter here.\n\n";
print "Enter the current password for root: ";
my $password = <STDIN>;
chomp $password;
print "\n";
my $conn = Mysql->connect("localhost", "mysql", "root", $password)
|| die "Unable to connect to MySQL.";
print "OK, successfully used the password, moving on...\n\n";
#-----------------------------------------------------------------------------
# set the root password
#-----------------------------------------------------------------------------
unless ($password)
{
print "Setting the root password ensures that no one can log into MySQL\n";
print "using the root user without the proper authorization.\n\n";
print "Set root password (Y/N)? ";
my $reply = <STDIN>;
chomp $reply;
print "\n";
if ($reply =~ /Y/i)
{
print "New password for root: ";
my $pass1 = <STDIN>;
chomp $pass1;
print "\n";
print "Re-enter new password for root: ";
my $pass2 = <STDIN>;
chomp $pass2;
print "\n";
unless ($pass1 eq $pass2) { die "Sorry, the passwords do not match."; }
unless ($pass1) { die "Sorry, you can't use an empty password here."; }
$conn->query("SET PASSWORD FOR root\@localhost=PASSWORD('$pass1')")
|| die "Unable to set password.";
print "OK, successfully set the password, moving on...\n\n";
}
else
{
print "WARNING, the password is not set, moving on...\n\n";
}
}
#-----------------------------------------------------------------------------
# remove anonymous users
#-----------------------------------------------------------------------------
print "By default, a MySQL installation has anonymous users, allowing anyone\n";
print "to log into MySQL without having to have a user account created for\n";
print "them. This is intended only for testing, and to make the installation\n";
print "go a bit smoother. You should remove them before moving into a\n";
print "production environment.\n\n";
print "Remove anonymous users (Y/N)? ";
my $reply = <STDIN>;
chomp $reply;
print "\n";
if ($reply =~ /Y/i)
{
$conn->query("DELETE FROM mysql.user WHERE user=''")
|| die "Unable to remove anonymous users.";
print "OK, successfully removed anonymous users, moving on...\n\n";
}
else
{
print "WARNING, the anonymous users have not been removed, moving on...\n\n";
}
#-----------------------------------------------------------------------------
# disallow remote root login
#-----------------------------------------------------------------------------
print "Normally, root should only be allowed to connect from 'localhost'. This\n";
print "ensures that someone cannot guess at the root password from the network.\n\n";
print "Disallow remote root login (Y/N)? ";
my $reply = <STDIN>;
chomp $reply;
print "\n";
if ($reply =~ /Y/i)
{
$conn->query("DELETE FROM mysql.user WHERE user='root' AND host!='localhost'")
|| die "Unable to disallow remote root login.";
print "OK, successfully disallowed remote root login, moving on...\n\n";
}
else
{
print "WARNING, remote root login has not been disallowed, moving on...\n\n";
}
#-----------------------------------------------------------------------------
# remove test database
#-----------------------------------------------------------------------------
print "By default, MySQL comes with a database named 'test' that anyone can\n";
print "access. This is intended only for testing, and should be removed\n";
print "before moving into a production environment.\n\n";
print "Remove the test database (Y/N)? ";
my $reply = <STDIN>;
chomp $reply;
print "\n";
if ($reply =~ /Y/i)
{
$conn->query("DROP DATABASE IF EXISTS test")
|| die "Unable to remove test database.";
$conn->query("DELETE FROM mysql.db WHERE db='test' OR db='test\\_%'")
|| die "Unable to remove access to the test database.";
print "OK, successfully removed the test database, moving on...\n\n";
}
else
{
print "WARNING, the test database has not been removed, moving on...\n\n";
}
#-----------------------------------------------------------------------------
# reload privilege tables
#-----------------------------------------------------------------------------
print "Reloading the privilege tables will ensure that all changes made so far\n";
print "will take effect immediately.\n\n";
print "Reload privilege tables (Y/N)? ";
my $reply = <STDIN>;
chomp $reply;
print "\n";
if ($reply =~ /Y/i)
{
$conn->query("FLUSH PRIVILEGES")
|| die "Unable to reload privilege tables.";
print "OK, successfully reloaded privilege tables, moving on...\n\n";
}
else
{
print "WARNING, the privilege tables have not been reloaded, moving on...\n\n";
}
#-----------------------------------------------------------------------------
# done
#-----------------------------------------------------------------------------
print "\n\nAll done! If you've completed all of the above steps, your MySQL\n";
print "installation should now be secure.\n\n";
print "Thanks for using MySQL!\n\n";
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