296 lines
10 KiB
Perl
Executable File
296 lines
10 KiB
Perl
Executable File
#!/usr/bin/perl
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=info
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install:
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cpan JSON JSON::XS
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touch list_full list log.log
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chmod a+rw list_full list log.log
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freebsd:
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www/fcgiwrap www/nginx
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rc.conf.local:
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nginx_enable="YES"
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fcgiwrap_enable="YES"
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fcgiwrap_user="www"
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nginx:
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location / {
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index index.html;
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add_header Access-Control-Allow-Origin *;
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}
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location /announce {
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fastcgi_pass unix:/var/run/fcgiwrap/fcgiwrap.sock;
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fastcgi_param SCRIPT_FILENAME $document_root/master.cgi;
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include fastcgi_params;
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}
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apache .htaccess:
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AddHandler cgi-script .cgi
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DirectoryIndex index.html
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Options +ExecCGI +FollowSymLinks
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Order allow,deny
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<FilesMatch (\.(html?|cgi|fcgi|css|js|gif|png|jpe?g|ico)|(^)|\w+)$>
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Allow from all
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</FilesMatch>
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Deny from all
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<ifModule mod_headers.c>
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Header set Access-Control-Allow-Origin: *
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</ifModule>
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=cut
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use strict;
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no strict qw(refs);
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use warnings "NONFATAL" => "all";
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no warnings qw(uninitialized);
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no if $] >= 5.017011, warnings => 'experimental::smartmatch';
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use utf8;
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use Socket;
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BEGIN {
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if ($Socket::VERSION ge '2.008') {
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eval qq{use Socket qw(getaddrinfo getnameinfo NI_NUMERICHOST NIx_NOSERV)}; # >5.16
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} else {
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eval qq{use Socket6 qw(getaddrinfo getnameinfo NI_NUMERICHOST NIx_NOSERV)}; # <5.16
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}
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};
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use Time::HiRes qw(time sleep);
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use IO::Socket::IP;
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use JSON;
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use Net::Ping;
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#use Data::Dumper;
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our $root_path;
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($ENV{'SCRIPT_FILENAME'} || $0) =~ m|^(.+)[/\\].+?$|; #v0w
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$root_path = $1 . '/' if $1;
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$root_path =~ s|\\|/|g;
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our %config = (
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#debug => 1,
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list_full => $root_path . 'list_full',
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list_pub => $root_path . 'list',
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log => $root_path . 'log.log',
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time_purge => 86400 * 1,
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time_alive => 650,
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source_check => 1,
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ping_timeout => 3,
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ping => 1,
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mineping => 1,
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pingable => 1,
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trusted => [qw( 176.9.122.10 )], #masterserver self ip - if server on same ip with masterserver doesnt announced
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#blacklist => [], # [qw(2.3.4.5 4.5.6.7 8.9.0.1), '1.2.3.4', qr/^10\.20\.30\./, ], # list, or quoted, ips, or regex
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);
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do($root_path . 'config.pl');
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our $ping = Net::Ping->new("udp", $config{ping_timeout});
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$ping->hires();
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sub get_params_one(@) {
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local %_ = %{ref $_[0] eq 'HASH' ? shift : {}};
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for (@_) {
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tr/+/ /, s/%([a-f\d]{2})/pack 'H*', $1/gei for my ($k, $v) = /^([^=]+=?)=(.+)$/ ? ($1, $2) : (/^([^=]*)=?$/, /^-/);
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$_{$k} = $v;
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}
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wantarray ? %_ : \%_;
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}
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sub get_params(;$$) { #v7
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my ($string, $delim) = @_;
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$delim ||= '&';
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read(STDIN, local $_ = '', $ENV{'CONTENT_LENGTH'}) if !$string and $ENV{'CONTENT_LENGTH'};
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local %_ =
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$string
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? get_params_one split $delim, $string
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: (get_params_one(@ARGV), map { get_params_one split $delim, $_ } split(/;\s*/, $ENV{'HTTP_COOKIE'}), $ENV{'QUERY_STRING'}, $_);
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wantarray ? %_ : \%_;
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}
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sub get_params_utf8(;$$) {
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local $_ = &get_params;
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utf8::decode $_ for %$_;
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wantarray ? %$_ : $_;
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}
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sub file_rewrite(;$@) {
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local $_ = shift;
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return unless open my $fh, '>', $_;
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print $fh @_;
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}
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sub printlog(;@) {
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#local $_ = shift;
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return unless open my $fh, '>>', $config{log};
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print $fh (join ' ', @_), "\n";
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}
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sub file_read ($) {
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open my $f, '<', $_[0] or return;
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local $/ = undef;
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my $ret = <$f>;
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close $f;
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return \$ret;
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}
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sub read_json {
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my $ret = {};
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eval { $ret = JSON->new->utf8->relaxed(1)->decode(${ref $_[0] ? $_[0] : file_read($_[0]) or \''} || '{}'); }; #'mc
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printlog "json error [$@] on [", ${ref $_[0] ? $_[0] : \$_[0]}, "]" if $@;
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$ret;
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}
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sub printu (@) {
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for (@_) {
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print($_), next unless utf8::is_utf8($_);
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my $s = $_;
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utf8::encode($s);
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print($s);
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}
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}
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sub float {
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return ($_[0] < 8 and $_[0] - int($_[0]))
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? sprintf('%.' . ($_[0] < 1 ? 3 : ($_[0] < 3 ? 2 : 1)) . 'f', $_[0])
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: int($_[0]);
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}
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sub mineping ($$) {
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my ($addr, $port) = @_;
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printlog "mineping($addr, $port)" if $config{debug};
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my $data;
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my $time = time;
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eval {
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my $socket = IO::Socket::IP->new(
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'PeerAddr' => $addr,
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'PeerPort' => $port,
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'Proto' => 'udp',
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'Timeout' => $config{ping_timeout},
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);
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$socket->send("\x4f\x45\x74\x03\x00\x00\x00\x01");
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local $SIG{ALRM} = sub { die "alarm time out"; };
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alarm $config{ping_timeout};
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$socket->recv($data, POSIX::BUFSIZ) or die "recv: $!";
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alarm 0;
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1; # return value from eval on normalcy
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} or return 0;
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return 0 unless length $data;
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$time = float(time - $time);
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printlog "recvd: ", length $data, " [$time]" if $config{debug};
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return $time;
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}
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sub request (;$) {
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my ($r) = @_;
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$r ||= \%ENV;
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my $param = get_params_utf8;
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my $after = sub {
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if ($param->{json}) {
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my $j = {};
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eval { $j = JSON->new->decode($param->{json}) || {} };
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$param->{$_} = $j->{$_} for keys %$j;
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delete $param->{json};
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}
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#printlog 'recv', Dumper $param;
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if (%$param) {
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s/^false$// for values %$param;
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$param->{ip} = $r->{REMOTE_ADDR};
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$param->{ip} =~ s/^::ffff://;
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for (@{$config{blacklist}}) {
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#printlog("blacklist", $param->{ip} ~~ $_) if $config{debug};
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return if $param->{ip} ~~ $_;
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}
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$param->{address} ||= $param->{ip};
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if ($config{source_check}) {
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(my $err, local @_) = getaddrinfo($param->{address});
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my $addrs = [ map{(getnameinfo($_->{addr}, NI_NUMERICHOST, NIx_NOSERV))[1]} @_];
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if (!($param->{ip} ~~ $addrs) and !($param->{ip} ~~ $config{trusted})) {
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printlog("bad address (", @$addrs, ")[$param->{address}] ne [$param->{ip}] [$err]") if $config{debug};
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return;
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}
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}
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$param->{port} ||= 30000;
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$param->{key} = "$param->{ip}:$param->{port}";
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$param->{off} = time if $param->{action} ~~ 'delete';
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if ($config{ping} and $param->{action} ne 'delete') {
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if ($config{mineping}) {
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$param->{ping} = mineping($param->{ip}, $param->{port});
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} else {
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$ping->port_number($param->{port});
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$ping->service_check(0);
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my ($pingret, $duration, $ip) = $ping->ping($param->{address});
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if ($ip ne $param->{ip} and !($param->{ip} ~~ $config{trusted})) {
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printlog "strange ping ip [$ip] != [$param->{ip}]" if $config{debug};
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return if $config{source_check} and !($param->{ip} ~~ $config{trusted});
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}
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$param->{ping} = $duration if $pingret;
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printlog " PING t=$config{ping_timeout}, $param->{address}:$param->{port} = ( $pingret, $duration, $ip )" if $config{debug};
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}
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return if !$param->{ping};
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}
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my $list = read_json($config{list_full}) || {};
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printlog "readed[$config{list_full}] list size=", scalar @{$list->{list}} if $config{debug};
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my $listk = {map { $_->{key} => $_ } @{$list->{list}}};
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my $old = $listk->{$param->{key}};
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$param->{time} = $old->{time} if $param->{off};
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$param->{time} ||= int time;
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$param->{start} = $param->{action} ~~ 'start' ? $param->{time} : $old->{start} || $param->{time};
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delete $param->{start} if $param->{off};
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$param->{clients} ||= scalar @{$param->{clients_list}} if ref $param->{clients_list} eq 'ARRAY';
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$param->{first} ||= $old->{first} || $old->{time} || $param->{time};
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$param->{clients_top} = $old->{clients_top} if $old->{clients_top} > $param->{clients};
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$param->{clients_top} ||= $param->{clients} || 0;
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# params reported once on start, must be same as src/serverlist.cpp:~221 if(server["action"] == "start") { ...
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for (qw(dedicated rollback liquid_finite mapgen mods privs)) {
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$param->{$_} ||= $old->{$_} if $old->{$_} and !($param->{action} ~~ 'start');
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}
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$param->{pop_n} = $old->{pop_n} + 1;
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$param->{pop_c} = $old->{pop_c} + $param->{clients};
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$param->{pop_v} = $param->{pop_c} / $param->{pop_n};
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delete $param->{action};
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$listk->{$param->{key}} = $param;
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#printlog 'write', Dumper $param if $config{debug};
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my $list_full = [grep { $_->{time} > time - $config{time_purge} } values %$listk];
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$list->{list} = [
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sort { $b->{clients} <=> $a->{clients} || $a->{start} <=> $b->{start} }
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grep { $_->{time} > time - $config{time_alive} and !$_->{off} and (!$config{ping} or !$config{pingable} or $_->{ping}) }
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@{$list_full}
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];
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$list->{total} = {clients => 0, servers => 0};
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for (@{$list->{list}}) {
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$list->{total}{clients} += $_->{clients};
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++$list->{total}{servers};
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}
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$list->{total_max}{clients} = $list->{total}{clients} if $list->{total_max}{clients} < $list->{total}{clients};
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$list->{total_max}{servers} = $list->{total}{servers} if $list->{total_max}{servers} < $list->{total}{servers};
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file_rewrite($config{list_pub}, JSON->new->encode($list));
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printlog "writed[$config{list_pub}] list size=", scalar @{$list->{list}} if $config{debug};
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$list->{list} = $list_full;
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file_rewrite($config{list_full}, JSON->new->encode($list));
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printlog "writed[$config{list_full}] list size=", scalar @{$list->{list}} if $config{debug};
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}
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};
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return [200, ["Content-type", "application/json"], [JSON->new->encode({})]], $after;
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}
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sub request_cgi {
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my ($p, $after) = request(@_);
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shift @$p;
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printu join "\n", map { join ': ', @$_ } shift @$p;
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printu "\n\n";
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printu join '', map { join '', @$_ } @$p;
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if (fork) {
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unless ($config{debug}) {
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close STDOUT;
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close STDERR;
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}
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} else {
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$after->() if ref $after ~~ 'CODE';
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}
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}
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request_cgi() unless caller;
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