| 1 |
# a server command shell |
| 2 |
|
| 3 |
use Coro; |
| 4 |
use Coro::Handle; |
| 5 |
use Coro::Socket; |
| 6 |
use Event; |
| 7 |
use Time::HiRes 'time'; |
| 8 |
|
| 9 |
use Text::Abbrev; |
| 10 |
|
| 11 |
my $last_ts = time; |
| 12 |
|
| 13 |
my %complete; |
| 14 |
my @commands = qw(quit squit refresh country restart block info print); |
| 15 |
|
| 16 |
abbrev \%complete, @commands; |
| 17 |
|
| 18 |
sub shell { |
| 19 |
my $fh = shift; |
| 20 |
|
| 21 |
while (defined (print $fh "cmd> "), $_ = <$fh>) { |
| 22 |
s/\015?\012$//; |
| 23 |
if (s/^(\S+)\s*// && (my $cmd = $complete{$1})) { |
| 24 |
if ($cmd eq "quit") { |
| 25 |
print "bye bye.\n";#d# |
| 26 |
last; |
| 27 |
} elsif ($cmd eq "squit") { |
| 28 |
Event::unloop; |
| 29 |
last; |
| 30 |
} elsif ($cmd eq "print") { |
| 31 |
my @res = eval $_; |
| 32 |
print $fh "eval: $@\n" if $@; |
| 33 |
print $fh "RES = ", (join " : ", @res), "\n"; |
| 34 |
} elsif ($cmd eq "block") { |
| 35 |
print "blocked '$_'\n";#d# |
| 36 |
$conn::blocked{$_} = time + $::BLOCKTIME; |
| 37 |
} elsif ($cmd eq "info") { |
| 38 |
$::NOW = time+1e-6; |
| 39 |
my @data; |
| 40 |
for (values %conn::conn) { |
| 41 |
for (values %$_) { |
| 42 |
next unless $_; |
| 43 |
my $rate = sprintf "%.1f", $_->{written} / ($::NOW - $_->{time}); |
| 44 |
push @data, "$_->{country}/$_->{remote_addr} $_->{written} $rate $_->{method} $_->{uri}\n"; |
| 45 |
} |
| 46 |
} |
| 47 |
print $fh sort @data; |
| 48 |
print $fh scalar@data, " ($::conns) connections\n";#d# |
| 49 |
print $fh "$::written bytes written in the last ",$::NOW - $last_ts, " seconds\n"; |
| 50 |
printf $fh "(%.1f bytes/s)\n", $::written / ($::NOW - $last_ts); |
| 51 |
($last_ts, $::written) = ($::NOW, 0); |
| 52 |
} elsif ($cmd eq "refresh") { |
| 53 |
do "config.pl"; |
| 54 |
print $fh "config.pl: $@\n" if $@; |
| 55 |
read_blocklist; |
| 56 |
} elsif ($cmd eq "restart") { |
| 57 |
$::RESTART = 1; |
| 58 |
unloop; |
| 59 |
print $fh "restarting, cu!\n"; |
| 60 |
last; |
| 61 |
} elsif ($cmd eq "country") { |
| 62 |
print $fh ip_request($_), "\n"; |
| 63 |
} |
| 64 |
} else { |
| 65 |
print $fh "try one of @commands\n"; |
| 66 |
} |
| 67 |
} |
| 68 |
} |
| 69 |
|
| 70 |
# bind to tcp port |
| 71 |
if ($CMDSHELL_PORT) { |
| 72 |
my $port = new Coro::Socket |
| 73 |
LocalAddr => "127.0.0.1", |
| 74 |
LocalPort => $CMDSHELL_PORT, |
| 75 |
ReuseAddr => 1, |
| 76 |
Listen => 1, |
| 77 |
or die "unable to bind cmdshell port: $!"; |
| 78 |
|
| 79 |
push @listen_sockets, $port; |
| 80 |
|
| 81 |
async { |
| 82 |
while () { |
| 83 |
async \&shell, scalar $port->accept; |
| 84 |
} |
| 85 |
}; |
| 86 |
} |
| 87 |
|
| 88 |
# bind to stdin (debug) |
| 89 |
if (1) { |
| 90 |
my $tty; |
| 91 |
open $tty, "+</dev/tty" |
| 92 |
and async \&shell, unblock $tty; |
| 93 |
} |
| 94 |
|
