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File name : unsuspendmysqlusers

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#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/unsuspendmysqlusers             Copyright 2022 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

package scripts::unsuspendmysqlusers;

use cPstrict;

=encoding utf-8

=head1 NAME

unsuspendmysqlusers

=head1 USAGE

unsuspendmysqlusers [--local-only] <username>

=cut

#----------------------------------------------------------------------

use parent 'Cpanel::HelpfulScript';

use Cpanel::DB::Map::Reader                ();
use Cpanel::DB::Utils                      ();
use Cpanel::Mysql::Passwd                  ();
use Cpanel::MysqlUtils::Connect            ();
use Cpanel::MysqlUtils::Quote              ();
use Cpanel::MysqlUtils::Compat             ();
use Cpanel::MysqlUtils::Compat::Suspension ();
use Cpanel::MysqlUtils::Command            ();
use Cpanel::Logger                         ();
use Cpanel::MysqlUtils::Version            ();

use constant _OPTIONS => (
    'local-only',
);

use constant _ACCEPT_UNNAMED => 1;

#----------------------------------------------------------------------

__PACKAGE__->new(@ARGV)->run() if !caller;

sub run ($self) {
    my ($username) = $self->getopt_unnamed();
    if ( !length $username ) {
        die $self->full_help();
    }

return unsuspend( $username, $self->getopt('local-only') );
}

sub unsuspend ( $cpuser, $local_only_yn = 0 ) {
    my $logger = Cpanel::Logger->new();

my $map = Cpanel::DB::Map::Reader->new( 'cpuser' => $cpuser, engine => 'mysql' );

my @user_list = $map->get_dbusers_plus_cpses();

# Case48428 - Need to include the parent user associated with the database and not just virtual users
    # when suspending accounts in MySQL.
    # Also, the DB map datastore might have a different owner name associated with the user
    # account which the databases are tied to.
    my @db_owner = (
        $cpuser,
        Cpanel::DB::Utils::username_to_dbowner($cpuser),
    );
    push @user_list, @db_owner;

Cpanel::MysqlUtils::Connect::connect();

# In order for the unsuspend code to work with account that have
    # been migrated from older versions of mysql/maria we need to
    # fixup the mysql users table to be in the expected state.
    #
    # Cpanel::MysqlUtils::Compat::Suspension::normalize_suspension will
    # convert the accounts that have the old style suspension system
    # to be locked if the server supports it.
    Cpanel::MysqlUtils::Compat::Suspension::normalize_suspension(
        Cpanel::MysqlUtils::Connect::get_singleton(),
    );

my $row_name = Cpanel::MysqlUtils::Compat::get_mysql_user_auth_field();

my $user_list = join ',', map { Cpanel::MysqlUtils::Quote::quote($_) } @user_list;
    my $result    = Cpanel::MysqlUtils::Command::sqlcmd("SELECT User, Host, $row_name from mysql.user WHERE user IN ($user_list);") || '';
    my @lines     = split /\n/, $result;
    my %result;
    foreach my $line (@lines) {
        my ( $key, $host, $value ) = split /\s+/, $line, 3;
        next if $local_only_yn && !_host_is_local($host);

$result{$key}{$host} = $value || '*' x 41;
    }

my $mysql = Cpanel::Mysql::Passwd->new( { cpuser => $cpuser } );

foreach my $user ( keys %result ) {
        foreach my $host ( keys %{ $result{$user} } ) {
            if ( length( $result{$user}{$host} ) == 41 ) {

# New style suspension
                if ( $result{$user}{$host} =~ m/^\-/ ) {
                    $result{$user}{$host} =~ s/\-//;

# Handling for NULL passwords
                    if ( $result{$user}{$host} =~ m/^\*+$/ ) {
                        $logger->info("MySQL user $user has a blank password!");
                        $result{$user}{$host} = '';
                    }
                    else {
                        $result{$user}{$host} = reverse $result{$user}{$host};
                        $result{$user}{$host} = '*' . $result{$user}{$host};
                    }
                }

# Legacy suspension
                elsif ( $result{$user}{$host} =~ m/^\+/ ) {
                    $result{$user}{$host} =~ s/\+/\*/;
                }

# Old passwords passed with new length
                elsif ( $result{$user}{$host} =~ m/^!+([0-9a-f]{16})$/ ) {
                    $result{$user}{$host} = reverse($1);
                }
            }
            elsif ( length( $result{$user}{$host} ) == 40 ) {
                $result{$user}{$host} = '*' . $result{$user}{$host};
                if ( $result{$user}{$host} =~ m/^\*+$/ ) {
                    $result{$user}{$host} = '';
                }
            }
            else {    # Case 76857
                $result{$user}{$host} =~ s/^!([0-9a-f]{16})/reverse($1)/e;
            }
        }
    }

my @sql_cmds;

foreach my $user ( keys %result ) {
        foreach my $host ( keys %{ $result{$user} } ) {
            my $pass = $result{$user}{$host};

my $mysql_version = _long_mysql_version_or_default();

# Per docs on MySQL 5.7.6 - https://dev.mysql.com/doc/refman/5.7/en/grant.html
            # We can no longer use GRANT statements to change the password.
            # However, since 5.7 ships with Account Locking capabilities, we will utilize that instead to lock the accounts.
            if ( Cpanel::MysqlUtils::Version::is_at_least( $mysql_version, '5.7.6' )
                && !Cpanel::MysqlUtils::Version::is_at_least( $mysql_version, '10.0.0' ) ) {

push @sql_cmds, 'ALTER USER ' . Cpanel::MysqlUtils::Quote::quote($user) . '@' . Cpanel::MysqlUtils::Quote::quote($host) . ' ACCOUNT UNLOCK;';

}
            else {
                # Passing in 1 to specify a password change
                $mysql->passwduser_hash( $user => $pass, 1 );
            }
        }
    }

push @sql_cmds, 'FLUSH PRIVILEGES';

# This must be done in the foreground or pkgacct will break.
    Cpanel::MysqlUtils::Command::sqlcmd( \@sql_cmds );

return 1;

}

sub _host_is_local ($host) {
    require Cpanel::NAT;
    require Cpanel::Domain::Local;

$host = Cpanel::NAT::get_local_ip($host);

return Cpanel::Domain::Local::domain_or_ip_is_on_local_server($host);
}

sub _long_mysql_version_or_default {
    local $@;
    my $long_version = eval { Cpanel::MysqlUtils::Version::current_mysql_version()->{'long'} };

if ($@) {

# current_mysql_version has extensive logic to determine the current
        # version.  If it fails, MySQL is likely beyond repair and we need to reinstall.
        return $Cpanel::MysqlUtils::Version::DEFAULT_MYSQL_RELEASE_TO_ASSUME_IS_INSTALLED;
    }

return $long_version;
}

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