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author | Vladislav Vaintroub <wlad@mariadb.com> | 2019-05-07 17:05:58 +0000 |
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committer | Vladislav Vaintroub <wlad@mariadb.com> | 2019-05-07 18:14:14 +0000 |
commit | a3a48d45616a9a71c125d91587895da43dd75933 (patch) | |
tree | 0e574aee3535fe211d37430f33afe7025f856928 | |
parent | fd386e39cd384cd738231c0c65f7d3dee4eac7c9 (diff) | |
download | mariadb-git-a3a48d45616a9a71c125d91587895da43dd75933.tar.gz |
MDEV-19403 Remove mysql_secure_installation.pl
-rw-r--r-- | scripts/CMakeLists.txt | 2 | ||||
-rw-r--r-- | scripts/mysql_secure_installation.pl.in | 390 |
2 files changed, 1 insertions, 391 deletions
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt index eca5b7ad3e5..dacbace3526 100644 --- a/scripts/CMakeLists.txt +++ b/scripts/CMakeLists.txt @@ -249,7 +249,7 @@ IF(WIN32) # The resulting files will have .pl extension (those are perl scripts) # Input files with pl.in extension - SET(PLIN_FILES mysql_config mysql_secure_installation) + SET(PLIN_FILES mysql_config) # Input files with .sh extension SET(SH_FILES mysql_convert_table_format mysqld_multi mysqldumpslow diff --git a/scripts/mysql_secure_installation.pl.in b/scripts/mysql_secure_installation.pl.in deleted file mode 100644 index 01d34c4af4d..00000000000 --- a/scripts/mysql_secure_installation.pl.in +++ /dev/null @@ -1,390 +0,0 @@ -#!@PERL_PATH@ -# -*- cperl -*- -# -# Copyright (c) 2007, 2017, Oracle and/or its affiliates. -# -# 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 - -use Fcntl; -use File::Spec; -use if $^O eq 'MSWin32', 'Term::ReadKey' => qw/ReadMode/; -use strict; - -my $config = ".my.cnf.$$"; -my $command = ".mysql.$$"; -my $hadpass = 0; -my $mysql; # How to call the mysql client -my $rootpass = ""; - - -$SIG{QUIT} = $SIG{INT} = $SIG{TERM} = $SIG{ABRT} = $SIG{HUP} = sub { - print "\nAborting!\n\n"; - echo_on(); - cleanup(); - exit 1; -}; - - -END { - # Remove temporary files, even if exiting via die(), etc. - cleanup(); -} - - -sub read_without_echo { - my ($prompt) = @_; - print $prompt; - echo_off(); - my $answer = <STDIN>; - echo_on(); - print "\n"; - chomp($answer); - return $answer; -} - -sub echo_on { - if ($^O eq 'MSWin32') { - ReadMode('normal'); - } else { - system("stty echo"); - } -} - -sub echo_off { - if ($^O eq 'MSWin32') { - ReadMode('noecho'); - } else { - system("stty -echo"); - } -} - -sub write_file { - my $file = shift; - -f $file or die "ERROR: file is missing \"$file\": $!"; - open(FILE, ">$file") or die "ERROR: can't write to file \"$file\": $!"; - foreach my $line ( @_ ) { - print FILE $line, "\n"; # Add EOL char - } - close FILE; -} - -sub prepare { - # Locate the mysql client; look in current directory first, then - # in path - our $SAVEERR; # Suppress Perl warning message - open SAVEERR, ">& STDERR"; - close STDERR; - for my $m (File::Spec->catfile('bin', 'mysql'), 'mysql') { - # mysql --version should always work - qx($m --no-defaults --version); - next unless $? == 0; - - $mysql = $m; - last; - } - open STDERR, ">& SAVEERR"; - - die "Can't find a 'mysql' client in PATH or ./bin\n" - unless $mysql; - - # Create safe files to avoid leaking info to other users - foreach my $file ( $config, $command ) { - next if -f $file; # Already exists - local *FILE; - sysopen(FILE, $file, O_CREAT, 0600) - or die "ERROR: can't create $file: $!"; - close FILE; - } -} - -# Simple escape mechanism (\-escape any ' and \), suitable for two contexts: -# - single-quoted SQL strings -# - single-quoted option values on the right hand side of = in my.cnf -# -# These two contexts don't handle escapes identically. SQL strings allow -# quoting any character (\C => C, for any C), but my.cnf parsing allows -# quoting only \, ' or ". For example, password='a\b' quotes a 3-character -# string in my.cnf, but a 2-character string in SQL. -# -# This simple escape works correctly in both places. -sub basic_single_escape { - my ($str) = @_; - # Inside a character class, \ is not special; this escapes both \ and ' - $str =~ s/([\'])/\\$1/g; - return $str; -} - -sub do_query { - my $query = shift; - write_file($command, $query); - my $rv = system("$mysql --defaults-file=$config < $command"); - # system() returns -1 if exec fails (e.g., command not found, etc.); die - # in this case because nothing is going to work - die "Failed to execute mysql client '$mysql'\n" if $rv == -1; - # Return true if query executed OK, or false if there was some problem - # (for example, SQL error or wrong password) - return ($rv == 0 ? 1 : undef); -} - -sub make_config { - my $password = shift; - - my $esc_pass = basic_single_escape($rootpass); - write_file($config, - "# mysql_secure_installation config file", - "[mysql]", - "user=root", - "password='$esc_pass'"); -} - -sub get_root_password { - my $attempts = 3; - for (;;) { - my $password = read_without_echo("Enter current password for root (enter for none): "); - if ( $password ) { - $hadpass = 1; - } else { - $hadpass = 0; - } - $rootpass = $password; - make_config($rootpass); - last if do_query(""); - - die "Unable to connect to the server as root user, giving up.\n" - if --$attempts == 0; - } - print "OK, successfully used password, moving on...\n\n"; -} - -sub set_root_password { - my $password1; - for (;;) { - $password1 = read_without_echo("New password: "); - - if ( !$password1 ) { - print "Sorry, you can't use an empty password here.\n\n"; - next; - } - - my $password2 = read_without_echo("Re-enter new password: "); - - if ( $password1 ne $password2 ) { - print "Sorry, passwords do not match.\n\n"; - next; - } - - last; - } - - my $esc_pass = basic_single_escape($password1); - do_query("UPDATE mysql.user SET Password=PASSWORD('$esc_pass') WHERE User='root';") - or die "Password update failed!\n"; - - print "Password updated successfully!\n"; - print "Reloading privilege tables..\n"; - reload_privilege_tables() - or die "Can not continue.\n"; - - print "\n"; - $rootpass = $password1; - make_config($rootpass); -} - -sub remove_anonymous_users { - do_query("DELETE FROM mysql.user WHERE User='';") - or die print " ... Failed!\n"; - print " ... Success!\n"; -} - -sub remove_remote_root { - if (do_query("DELETE FROM mysql.user WHERE User='root' AND Host NOT IN ('localhost', '127.0.0.1', '::1');")) { - print " ... Success!\n"; - } else { - print " ... Failed!\n"; - } -} - -sub remove_test_database { - print " - Dropping test database...\n"; - if (do_query("DROP DATABASE IF EXISTS test;")) { - print " ... Success!\n"; - } else { - print " ... Failed! Not critical, keep moving...\n"; - } - - print " - Removing privileges on test database...\n"; - if (do_query("DELETE FROM mysql.db WHERE Db='test' OR Db='test\\_%'")) { - print " ... Success!\n"; - } else { - print " ... Failed! Not critical, keep moving...\n"; - } -} - -sub reload_privilege_tables { - if (do_query("FLUSH PRIVILEGES;")) { - print " ... Success!\n"; - return 1; - } else { - print " ... Failed!\n"; - return undef; - } -} - -sub cleanup { - print "Cleaning up...\n"; - - foreach my $file ($config, $command) { - unlink $file or warn "Warning: Could not unlink $file: $!\n"; - } -} - - -# The actual script starts here - -prepare(); - -print <<HERE; - - - -NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL - SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY! - -In order to log into MySQL to secure it, we'll need the current -password for the root user. If you've just installed MySQL, and -you haven't set the root password yet, the password will be blank, -so you should just press enter here. - -HERE - -get_root_password(); - - -# -# Set the root password -# - -print "Setting the root password ensures that nobody can log into the MySQL\n"; -print "root user without the proper authorisation.\n\n"; - -if ( $hadpass == 0 ) { - print "Set root password? [Y/n] "; -} else { - print "You already have a root password set, so you can safely answer 'n'.\n\n"; - print "Change the root password? [Y/n] "; -} - -my $reply = <STDIN>; -if ( $reply =~ /n/i ) { - print " ... skipping.\n"; -} else { - set_root_password(); -} -print "\n"; - - -# -# Remove anonymous users -# - -print <<HERE; -By default, a MySQL installation has an anonymous user, allowing anyone -to log into MySQL without having to have a user account created for -them. This is intended only for testing, and to make the installation -go a bit smoother. You should remove them before moving into a -production environment. - -HERE - -print "Remove anonymous users? [Y/n] "; -$reply = <STDIN>; -if ( $reply =~ /n/i ) { - print " ... skipping.\n"; -} else { - remove_anonymous_users(); -} -print "\n"; - - -# -# Disallow remote root login -# - -print <<HERE; -Normally, root should only be allowed to connect from 'localhost'. This -ensures that someone cannot guess at the root password from the network. - -HERE - -print "Disallow root login remotely? [Y/n] "; -$reply = <STDIN>; -if ( $reply =~ /n/i ) { - print " ... skipping.\n"; -} else { - remove_remote_root(); -} -print "\n"; - - -# -# Remove test database -# - -print <<HERE; -By default, MySQL comes with a database named 'test' that anyone can -access. This is also intended only for testing, and should be removed -before moving into a production environment. - -HERE - -print "Remove test database and access to it? [Y/n] "; -$reply = <STDIN>; -if ( $reply =~ /n/i ) { - print " ... skipping.\n"; -} else { - remove_test_database(); -} -print "\n"; - - -# -# Reload privilege tables -# - -print <<HERE; -Reloading the privilege tables will ensure that all changes made so far -will take effect immediately. - -HERE - -print "Reload privilege tables now? [Y/n] "; -$reply = <STDIN>; -if ( $reply =~ /n/i ) { - print " ... skipping.\n"; -} else { - reload_privilege_tables(); -} -print "\n"; - -print <<HERE; - - - -All done! If you've completed all of the above steps, your MySQL -installation should now be secure. - -Thanks for using MySQL! - - -HERE |