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| Current File : //proc/thread-self/root/scripts/maildir_converter |
#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/maildir_converter 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 Cpanel::PwCache::PwEnt ();
use Cpanel::AccessIds::SetUids ();
use Cpanel::Config::Users ();
use Cpanel::Binaries ();
use Cpanel::Usage ();
use Cpanel::SafeRun::Errors ();
use Cpanel::Sys::Setsid::Fast ();
$| = 1;
my $do_conversion = 0;
my $to_dovecot = 0;
my $to_courier = 0;
my $overwrite = 0;
# Argument processing
my %opts = (
'forreal' => \$do_conversion,
'overwrite' => \$overwrite,
'to-dovecot' => \$to_dovecot,
'to-courier' => \$to_courier,
);
Cpanel::Usage::wrap_options( \@ARGV, \&usage, \%opts );
if ( $to_dovecot && $to_courier ) {
print "Can not convert to dovecot and to courier at the same time!\n";
exit 1;
}
if ( $> != 0 ) {
die "Conversion process must be performed as root";
}
@ARGV = ( grep( !/^--/, @ARGV ) );
my @users = Cpanel::Config::Users::getcpusers();
my %USERS = map { $_ => 1 } @users;
my @CARGS;
push @CARGS, '--convert' if ($do_conversion);
push @CARGS, '--overwrite' if ($overwrite);
push @CARGS, '--to-dovecot' if ($to_dovecot);
push @CARGS, '--to-courier' if ($to_courier);
my $convertuser = $ARGV[0];
my $now = time();
unless ( -d '/var/cpanel/logs' ) {
mkdir '/var/cpanel/logs' || die "Couldn't create /var/cpanel/logs directory: $!";
chmod oct(700), '/var/cpanel/logs' || die "Couldn't set permissions on /var/cpanel/logs directory: $!";
}
my $old_umask = umask(0077); # Case 92381: Logs should not be world-readable.
open my $log_fh, '>', '/var/cpanel/logs/imap_conversion.log.' . $now;
umask($old_umask);
if ( !$log_fh ) {
die "Couldn't open log file: $!";
}
my @conversion_failures;
$SIG{'INT'} = $SIG{'HUP'} = sub {
print "maildir_converter Ignoring signal to avoid mail corruption\n";
return;
};
my $quotaon_cmd = Cpanel::Binaries::path('quotaon');
my $quotaoff_cmd = Cpanel::Binaries::path('quotaoff');
# Disable quotas
if ( -x $quotaoff_cmd ) {
system $quotaoff_cmd, '-a';
}
Cpanel::PwCache::PwEnt::setpwent();
while ( my @PW = Cpanel::PwCache::PwEnt::getpwent() ) {
my ( $user, $uid, $gid, $homedir ) = @PW[ 0, 2, 3, 7 ];
next if ( $convertuser && $user ne $convertuser );
next if ( !exists $USERS{$user} );
$homedir =~ /(.*)/; # Untaint
$homedir = $1;
if ( !-d $homedir ) { next; }
my @maildirs = find_maildirs($homedir);
foreach my $dir (@maildirs) {
$dir =~ /(.*)/;
$dir = $1;
print "Converting $dir...";
if ( my $pid = fork() ) {
#parent
waitpid( $pid, 0 );
my $exitcode = $?;
if ($exitcode) {
print "failed\n";
push @conversion_failures, $user . ':' . $dir . ':' . $now . "\n";
}
else {
print "ok\n";
}
}
else {
Cpanel::Sys::Setsid::Fast::fast_setsid();
Cpanel::AccessIds::SetUids::setuids( $uid, $gid );
chdir $dir || exit 1;
my $output = Cpanel::SafeRun::Errors::saferunallerrors( '/usr/local/cpanel/bin/maildir-migrate', @CARGS, '--recursive' );
print $log_fh "\nDirectory: $dir\n";
print $log_fh join( ' ', '/usr/local/cpanel/bin/maildir-migrate', @CARGS, '--recursive' ) . "\n";
print $log_fh $output . "\n";
my $exitcode = $?;
exit $exitcode >> 8;
}
}
}
Cpanel::PwCache::PwEnt::endpwent();
close $log_fh;
# Restore quotas
if ( -x $quotaon_cmd ) {
system $quotaon_cmd, '-a';
}
if ( scalar @conversion_failures ) {
my $old_umask = umask(0077); # Case 92381: Logs should not be world-readable.
open my $failure_fh, '>>', '/var/cpanel/logs/imap_conversion_failures';
umask($old_umask);
if ( !$failure_fh ) {
die "Couldn't open log file: $!";
}
print $failure_fh @conversion_failures;
close $failure_fh;
print "\nSome failures were encountered during maildir conversion process.\n";
print "Full log available at: /var/cpanel/logs/imap_conversion.log.$now\n";
exit 1;
}
exit 0;
sub find_maildirs {
my $homedir = shift;
my @maildirs;
if ( -d $homedir . '/mail/cur' && -d $homedir . '/mail/new' ) {
push @maildirs, $homedir . '/mail';
if ( opendir( my $base_dh, $homedir . '/mail' ) ) {
my @base_dirlist = readdir($base_dh);
closedir $base_dh;
foreach my $base_dir (@base_dirlist) {
next if ( $base_dir =~ /^(?:\.|cur\Z|tmp\Z|new\Z)/ );
next unless ( -d $homedir . '/mail/' . $base_dir );
if ( opendir( my $sub_dh, $homedir . '/mail/' . $base_dir ) ) {
my @sub_dirlist = readdir($sub_dh);
closedir $sub_dh;
foreach my $sub_dir (@sub_dirlist) {
next if ( $sub_dir =~ /^\./ );
next unless ( -d $homedir . '/mail/' . $base_dir . '/' . $sub_dir . '/cur' && -d $homedir . '/mail/' . $base_dir . '/' . $sub_dir . '/new' );
push @maildirs, $homedir . '/mail/' . $base_dir . '/' . $sub_dir;
}
}
}
}
}
return @maildirs;
}
sub usage {
print "Usage: maildir_converter [options] [user]\n\n";
print "Options:\n";
print " --forreal Perform conversion\n";
print " --overwrite Overwrite existing files\n";
print " --to-dovecot Conversion is from Courier to Dovecot\n";
print " --to-courier Conversion is from Dovecot to Courier\n";
print "\n";
print "If no user is specified, maildirs for all accounts will be converted.\n";
print "\n";
print "When direction over conversion (dovecot/courier) is not specified\n";
print "maildir files will be updated based on relative timestamps.\n";
exit 0;
}