DIED => 5,
REJ => 10,
};
+# These constants are changed by ex/makevm
+use constant USER => 65534;
+use constant GROUP => 65534;
use BSD::Resource qw/setrlimit RLIMIT_AS RLIMIT_FSIZE/;
use IPC::Signal qw/sig_name sig_num/;
use POSIX qw//;
use Time::HiRes qw/alarm/;
-my (@fds, $timeout, $mlimit, $olimit);
+my (@fds, $timeout, $mlimit, $olimit, $nobody);
+my $close = 1;
+
GetOptions(
"fd=s" => \@fds,
"timeout=f" => \$timeout,
"mlimit=i" => \$mlimit,
"olimit=i" => \$olimit,
+ "close!" => \$close,
+ "nobody!" => \$nobody,
);
my $ret = fork // die 'Cannot fork';
exit !say AC, "\nAll OK";
} else {
$^F = 50;
- POSIX::close $_ for 0 .. $^F;
+ if ($close) {
+ POSIX::close $_ for 0 .. $^F;
+ }
for my $fdstring (@fds) {
my ($fd, $file) = split ' ', $fdstring, 2;
open my $fh, $file or die $!;
%ENV = (ONLINE_JUDGE => 1, PATH => $ENV{PATH}, HOME => $ENV{HOME});
setrlimit RLIMIT_AS, $mlimit, $mlimit or die $! if $mlimit;
setrlimit RLIMIT_FSIZE, $olimit, $olimit or die $! if $olimit;
+ POSIX::setgid $nobody ? 65534 : USER;
+ POSIX::setuid $nobody ? 65534 : GROUP;
exec @ARGV;
}