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Editing: reset_mail_quotas_to_sane_values
#!/usr/local/cpanel/3rdparty/bin/perl # cpanel - scripts/reset_mail_quotas_to_sane_values # 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 use strict; use warnings; use Cpanel::LoadFile (); use Cpanel::PwCache::Helpers (); use Cpanel::PwCache::Build (); use Cpanel::Usage (); use Cpanel::PwCache (); use Cpanel::AccessIds::SetUids (); use Cpanel::Config::LoadCpUserFile (); use Cpanel::Config::HasCpUserFile (); use Cpanel::Config::Users (); use Cpanel::Config::LoadUserDomains (); use Cpanel::SafeFile (); use Cpanel::Email::Maildir (); my $version = '1.1'; my $verbose = 0; my $confirm = 0; my $force = 0; # Max quota is actually 1 byte less than get_max_email_quota # but we'll silently fix the 1 byte issue below my $max_quota = Cpanel::Email::Maildir::get_max_email_quota(); # Argument processing my %opts = ( 'verbose' => \$verbose, 'confirm' => \$confirm, 'force' => \$force, ); Cpanel::Usage::wrap_options( \@ARGV, \&usage, \%opts ); if ( $> == 0 && !$confirm ) { print "Must specify \"--confirm\" to begin. Please read and understand the usage.\n\n"; usage(1); } umask(0077); # Keep maildirsize file perms consistent with Exim my $pwcache_ref; my %CPUSERS; my $saveversion = 0; my $suid = 0; my $userdomains_ref = {}; if ( $> == 0 ) { $suid = 1; Cpanel::PwCache::Helpers::no_uid_cache(); #uid cache only needed if we are going to make lots of getpwuid calls Cpanel::PwCache::Build::init_passwdless_pwcache(); $pwcache_ref = Cpanel::PwCache::Build::fetch_pwcache(); my $users_arr_ref = Cpanel::Config::Users::getcpusers(); $userdomains_ref = Cpanel::Config::LoadUserDomains::loaduserdomains( {}, 0, 1 ); %CPUSERS = map { $_ => undef } @{$users_arr_ref}; if ( @ARGV && $ARGV[$#ARGV] !~ m/^-/ ) { if ( exists $CPUSERS{ $ARGV[$#ARGV] } ) { %CPUSERS = ( $ARGV[$#ARGV] => 1 ); #only do one user } else { %CPUSERS = (); } } my $last_version = Cpanel::LoadFile::loadfile('/var/cpanel/version/reset_mail_quotas_to_sane_values') || ''; if ( $last_version eq $version && !$force ) { print "You must use --force to run this utility once it has already been run.\n"; exit 1; } $saveversion = 1; } else { $confirm = 1; my @PW = Cpanel::PwCache::getpwuid($>); $pwcache_ref = [ \@PW ]; %CPUSERS = ( $PW[0] => 1 ); my @DOMAINS; if ( Cpanel::Config::HasCpUserFile::has_cpuser_file( $PW[0] ) ) { my $user_info = Cpanel::Config::LoadCpUserFile::loadcpuserfile( $PW[0] ); #we want to load the default so we can use the storable cache @DOMAINS = ( $user_info->{'DOMAIN'} ); if ( ref $user_info->{'DOMAINS'} ) { push @DOMAINS, @{ $user_info->{'DOMAINS'} }; } } $userdomains_ref->{ $PW[0] } = \@DOMAINS; } my ( $user, $useruid, $usergid, $homedir ); foreach my $pwref (@$pwcache_ref) { ( $user, $useruid, $usergid, $homedir ) = (@$pwref)[ 0, 2, 3, 7 ]; next if ( !exists $CPUSERS{$user} ); if ( !$homedir || !-d $homedir ) { print "Skipping $user\n (no home directory)\n"; next; } #All the domains my @DOMAINS = ref $userdomains_ref->{$user} ? @{ $userdomains_ref->{$user} } : (); my @needs_cleanup; foreach my $domain (@DOMAINS) { if ( -f $homedir . '/etc/' . $domain . '/quota' && -s _ ) { push @needs_cleanup, $domain; } } if ( !@needs_cleanup ) { if ($verbose) { print "Skipping $user as no domains have a quota file.\n"; } next; } #only fork+setuid if we have something do to if ( my $pid = fork() ) { waitpid( $pid, 0 ); } else { if ($suid) { Cpanel::PwCache::Build::pwclearcache(); Cpanel::AccessIds::SetUids::setuids( $useruid, $usergid ) || die "Could not setuid to $user"; } foreach my $domain (@needs_cleanup) { next if ( !$domain ); normalize_domain_quota( $homedir, $domain, 1 ); } exit; } } if ($saveversion) { if ( open( my $v_fh, '>', '/var/cpanel/version/reset_mail_quotas_to_sane_values' ) ) { print {$v_fh} $version; close($v_fh); } } sub normalize_domain_quota { my ( $homedir, $domain, $skip_check_existance ) = @_; my $dir = $homedir . '/etc/' . $domain; if ( !$skip_check_existance ) { return 0 if !-f $dir . '/quota' || -z _; } my %quota_by_user; my $altered = 0; my $safelock = Cpanel::SafeFile::safeopen( \*QUOTAFH, '+<', $dir . '/quota' ); if ($safelock) { while ( my $line = readline( \*QUOTAFH ) ) { chomp $line; my ( $user, $quota ) = split( /:/, $line, 2 ); next if !$user || !$quota; # Quota values above 2GB will be converted to unlimited if ( ( int $quota ) > $max_quota ) { print "Quota for user $user\@$domain exceedes maximum of $max_quota. Quota removed.\n" if $verbose; $altered = 1; next; } # Remove 1 byte for quota values equal to 2GB if ( ( int $quota ) == $max_quota ) { $quota = $max_quota - 1; $altered = 1; } $quota_by_user{$user} = $quota; } seek( QUOTAFH, 0, 0 ); if ($altered) { print "Updated quota file for $domain.\n" if $verbose; if ( scalar keys %quota_by_user ) { print QUOTAFH join( "\n", map { $_ . ':' . $quota_by_user{$_} } keys %quota_by_user ) . "\n"; } truncate( QUOTAFH, tell(QUOTAFH) ); } Cpanel::SafeFile::safeclose( \*QUOTAFH, $safelock ); return 1; } return 0; } sub usage { my ($exit) = @_; $exit = $exit ? 1 : 0; print <<'EOM'; Usage: reset_mail_quotas_to_sane_values <modifier> <user> This utility regenerates quota files and removes any quotas above the maximum allowed size of : $max_size Modifier Flags: --force - This required flag indicates that the utility should be run even if it has already been run in the past --confirm - This required flag indicates that the utility should proceed to regenerate the quota files based upon the provided options. It is required for normal operation. --verbose - This optional flag turns on verbose mode for enhanced activity reporting to STDOUT. --help - display this message and exit. EOM exit $exit; }
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