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

# cpanel - scripts/mysqlpasswd                     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::mysqlpasswd;

use strict;
use warnings;
use Cpanel::MysqlUtils::Connect          ();
use Cpanel::MysqlUtils::Quote            ();
use Cpanel::MysqlUtils::MyCnf::Basic     ();
use Cpanel::MysqlUtils::Compat::Password ();
use Cpanel::ServerTasks                  ();

if ( $> != 0 ) {
    die "Setting MySQL passwords is only possible using the root account\n";
}

if ( !caller() ) {
    alarm(15);
    my ( $_user, $_pass, $_userhost );
    if ( grep( /--multistdin/, @ARGV ) ) {
        $_user = <STDIN>;
        chomp($_user);
        $_pass = <STDIN>;
        chomp($_pass);
        $_userhost = <STDIN>;
        chomp($_userhost);
    }
    elsif ( !@ARGV ) {
        chomp( my $up = <STDIN> );
        my @UP = split( / /, $up );
        $_user     = $UP[0];
        $_pass     = $UP[1];
        $_userhost = $UP[2];
    }
    else {
        $_user     = $ARGV[0];
        $_pass     = $ARGV[1];
        $_userhost = $ARGV[2];
    }
    alarm(0);

    if ( !$_user ) { print STDERR "$0: user is blank\n"; exit 1; }
    if ( !$_pass ) { print STDERR "$0: pass is blank\n"; exit 1; }

    exit __PACKAGE__->script( $_user, $_pass, $_userhost );
}

sub script {
    my ( $class, $user, $pass, $userhost ) = @_;

    die "Need user!\n" if !length $user;
    die "Need pass!\n" if !length $pass;

    my $quoted_user;
    if ( $user eq 'root' ) {
        my $dbuser = Cpanel::MysqlUtils::MyCnf::Basic::getmydbuser('root') || 'root';
        $quoted_user = Cpanel::MysqlUtils::Quote::quote($dbuser);
    }
    else {
        $quoted_user = Cpanel::MysqlUtils::Quote::quote($user);
    }
    my $quoted_pass     = Cpanel::MysqlUtils::Quote::quote($pass);
    my $quoted_userhost = Cpanel::MysqlUtils::Quote::quote($userhost);

    my $cpuser = $user;
    if ( $user ne 'root' ) {

        require Cpanel::DB::Map::Utils;
        $cpuser = Cpanel::DB::Map::Utils::get_cpuser_for_engine_dbuser( 'MYSQL', $user );
    }

    if ( !set_mysql_password_via_dbi( $quoted_user, $quoted_pass, ( length $userhost ? $quoted_userhost : () ) ) ) {
        return 1;
    }

    if ( $user eq 'root' ) {
        require Cpanel::MysqlUtils::RootPassword;
        Cpanel::MysqlUtils::RootPassword::update_mysql_root_password_in_configuration($pass);
    }
    elsif ($cpuser) {

        # We do not store grants for root, and this will
        # throw in queueprocd if we try.
        queue_dbstoregrants($cpuser);
    }

    return 0;
}

sub set_mysql_password_via_dbi {
    my ( $quoted_user, $quoted_pass, $quoted_userhost ) = @_;

    my $dbi = Cpanel::MysqlUtils::Connect::get_dbi_handle();

    my $reset_password_sql = Cpanel::MysqlUtils::Compat::Password::get_set_user_password_sql(
        dbh             => $dbi,
        quoted_user     => $quoted_user,
        quoted_password => $quoted_pass,
        ( length $quoted_userhost ? ( quoted_host => $quoted_userhost ) : () )
    );

    return _do_client( $reset_password_sql, $dbi );
}

# For tests
sub _do_client {
    my ( $reset_password_sql, $dbi ) = @_;

    # We used to do this via the “mysql” binary, but now that
    # we can use DBI directly we should do that. Moreover, it’s
    # necessary insofar as @$reset_password_sql might have stuff
    # like procedure definitions, which break if given directly to
    # the “mysql” binary. (See Cpanel::MysqlUtils::Compat::Password
    # and COBRA-7290.)

    my $ok = eval {
        foreach my $query (@$reset_password_sql) {
            $dbi->do($query) if ( length $query );
        }
        $dbi->do('FLUSH PRIVILEGES');

        1;
    };

    if ( !$ok ) {
        warn "Failed to set password via client: $@";
        return 0;
    }

    return 1;
}

sub queue_dbstoregrants {
    my $cpuser = shift;

    return Cpanel::ServerTasks::queue_task( ['MysqlTasks'], "dbstoregrants $cpuser" );
}

1;