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root |
1.1 |
# a server command shell |
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use Coro; |
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use Coro::Handle; |
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use Coro::Socket; |
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use Event; |
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root |
1.8 |
use Time::HiRes 'time'; |
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root |
1.10 |
use Text::Abbrev; |
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1.8 |
my $last_ts = time; |
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root |
1.1 |
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1.10 |
my %complete; |
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1.12 |
my @commands = qw(quit squit refresh country restart block info print); |
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1.10 |
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abbrev \%complete, @commands; |
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1.1 |
sub shell { |
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my $fh = shift; |
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while (defined (print $fh "cmd> "), $_ = <$fh>) { |
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root |
1.2 |
s/\015?\012$//; |
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root |
1.10 |
if (s/^(\S+)\s*// && (my $cmd = $complete{$1})) { |
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if ($cmd eq "quit") { |
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1.13 |
print $fh "bye bye.\n";#d# |
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1.10 |
last; |
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} elsif ($cmd eq "squit") { |
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1.13 |
print $fh "server quit.\n";#d# |
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1.10 |
Event::unloop; |
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root |
1.11 |
last; |
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root |
1.12 |
} elsif ($cmd eq "print") { |
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root |
1.11 |
my @res = eval $_; |
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print $fh "eval: $@\n" if $@; |
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print $fh "RES = ", (join " : ", @res), "\n"; |
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1.10 |
} elsif ($cmd eq "block") { |
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print "blocked '$_'\n";#d# |
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$conn::blocked{$_} = time + $::BLOCKTIME; |
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} elsif ($cmd eq "info") { |
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$::NOW = time+1e-6; |
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my @data; |
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for (values %conn::conn) { |
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for (values %$_) { |
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next unless $_; |
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my $rate = sprintf "%.1f", $_->{written} / ($::NOW - $_->{time}); |
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push @data, "$_->{country}/$_->{remote_addr} $_->{written} $rate $_->{method} $_->{uri}\n"; |
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} |
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root |
1.1 |
} |
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1.10 |
print $fh sort @data; |
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print $fh scalar@data, " ($::conns) connections\n";#d# |
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print $fh "$::written bytes written in the last ",$::NOW - $last_ts, " seconds\n"; |
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printf $fh "(%.1f bytes/s)\n", $::written / ($::NOW - $last_ts); |
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($last_ts, $::written) = ($::NOW, 0); |
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} elsif ($cmd eq "refresh") { |
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1.11 |
do "config.pl"; |
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print $fh "config.pl: $@\n" if $@; |
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1.10 |
read_blocklist; |
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} elsif ($cmd eq "restart") { |
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$::RESTART = 1; |
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unloop; |
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print $fh "restarting, cu!\n"; |
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last; |
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} elsif ($cmd eq "country") { |
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print $fh ip_request($_), "\n"; |
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1.1 |
} |
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} else { |
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1.10 |
print $fh "try one of @commands\n"; |
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1.1 |
} |
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} |
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} |
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# bind to tcp port |
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if ($CMDSHELL_PORT) { |
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my $port = new Coro::Socket |
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LocalAddr => "127.0.0.1", |
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LocalPort => $CMDSHELL_PORT, |
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ReuseAddr => 1, |
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Listen => 1, |
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or die "unable to bind cmdshell port: $!"; |
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1.2 |
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push @listen_sockets, $port; |
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root |
1.1 |
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async { |
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root |
1.7 |
while () { |
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async \&shell, scalar $port->accept; |
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} |
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root |
1.1 |
}; |
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} |
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# bind to stdin (debug) |
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if (1) { |
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my $tty; |
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open $tty, "+</dev/tty" |
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and async \&shell, unblock $tty; |
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} |
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