1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
|
#!/usr/bin/perl
=info
install:
cpan JSON JSON::XS
touch list_full list
chmod a+rw list_full list log.log
freebsd:
www/fcgiwrap www/nginx
rc.conf.local:
nginx_enable="YES"
fcgiwrap_enable="YES"
fcgiwrap_user="www"
nginx:
location / {
index index.html;
add_header Access-Control-Allow-Origin *;
}
location /announce {
fastcgi_pass unix:/var/run/fcgiwrap/fcgiwrap.sock;
fastcgi_param SCRIPT_FILENAME $document_root/master.cgi;
include fastcgi_params;
}
apache .htaccess:
AddHandler cgi-script .cgi
DirectoryIndex index.html
Options +ExecCGI +FollowSymLinks
Order allow,deny
<FilesMatch (\.(html?|cgi|fcgi|css|js|gif|png|jpe?g|ico)|(^)|\w+)$>
Allow from all
</FilesMatch>
Deny from all
<ifModule mod_headers.c>
Header set Access-Control-Allow-Origin: *
</ifModule>
=cut
use strict;
no strict qw(refs);
use warnings "NONFATAL" => "all";
no warnings qw(uninitialized);
use utf8;
use Socket;
BEGIN {
if ($Socket::VERSION ge '2.008') {
eval qq{use Socket qw(getaddrinfo getnameinfo NI_NUMERICHOST NIx_NOSERV)}; # >5.16
} else {
eval qq{use Socket6 qw(getaddrinfo getnameinfo NI_NUMERICHOST NIx_NOSERV)}; # <5.16
}
};
use Time::HiRes qw(time sleep);
use IO::Socket::IP;
use JSON;
use Net::Ping;
#use Data::Dumper;
our $root_path;
($ENV{'SCRIPT_FILENAME'} || $0) =~ m|^(.+)[/\\].+?$|; #v0w
$root_path = $1 . '/' if $1;
$root_path =~ s|\\|/|g;
our %config = (
#debug => 1,
list_full => $root_path . 'list_full',
list_pub => $root_path . 'list',
log => $root_path . 'log.log',
time_purge => 86400 * 30,
time_alive => 650,
source_check => 1,
ping_timeout => 3,
ping => 1,
mineping => 1,
pingable => 1,
trusted => [qw( 176.9.122.10 )], #masterserver self ip - if server on same ip with masterserver doesnt announced
#blacklist => [], # [qw(2.3.4.5 4.5.6.7 8.9.0.1), '1.2.3.4', qr/^10\.20\.30\./, ], # list, or quoted, ips, or regex
);
do($root_path . 'config.pl');
our $ping = Net::Ping->new("udp", $config{ping_timeout});
$ping->hires();
sub get_params_one(@) {
local %_ = %{ref $_[0] eq 'HASH' ? shift : {}};
for (@_) {
tr/+/ /, s/%([a-f\d]{2})/pack 'H*', $1/gei for my ($k, $v) = /^([^=]+=?)=(.+)$/ ? ($1, $2) : (/^([^=]*)=?$/, /^-/);
$_{$k} = $v;
}
wantarray ? %_ : \%_;
}
sub get_params(;$$) { #v7
my ($string, $delim) = @_;
$delim ||= '&';
read(STDIN, local $_ = '', $ENV{'CONTENT_LENGTH'}) if !$string and $ENV{'CONTENT_LENGTH'};
local %_ =
$string
? get_params_one split $delim, $string
: (get_params_one(@ARGV), map { get_params_one split $delim, $_ } split(/;\s*/, $ENV{'HTTP_COOKIE'}), $ENV{'QUERY_STRING'}, $_);
wantarray ? %_ : \%_;
}
sub get_params_utf8(;$$) {
local $_ = &get_params;
utf8::decode $_ for %$_;
wantarray ? %$_ : $_;
}
sub file_rewrite(;$@) {
local $_ = shift;
return unless open my $fh, '>', $_;
print $fh @_;
}
sub printlog(;@) {
#local $_ = shift;
return unless open my $fh, '>>', $config{log};
print $fh (join ' ', @_), "\n";
}
sub file_read ($) {
open my $f, '<', $_[0] or return;
local $/ = undef;
my $ret = <$f>;
close $f;
return \$ret;
}
sub read_json {
my $ret = {};
eval { $ret = JSON->new->utf8->relaxed(1)->decode(${ref $_[0] ? $_[0] : file_read($_[0]) or \''} || '{}'); }; #'mc
printlog "json error [$@] on [", ${ref $_[0] ? $_[0] : \$_[0]}, "]" if $@;
$ret;
}
sub printu (@) {
for (@_) {
print($_), next unless utf8::is_utf8($_);
my $s = $_;
utf8::encode($s);
print($s);
}
}
sub float {
return ($_[0] < 8 and $_[0] - int($_[0]))
? sprintf('%.' . ($_[0] < 1 ? 3 : ($_[0] < 3 ? 2 : 1)) . 'f', $_[0])
: int($_[0]);
}
sub mineping ($$) {
my ($addr, $port) = @_;
printlog "mineping($addr, $port)" if $config{debug};
my $data;
my $time = time;
eval {
my $socket = IO::Socket::IP->new(
'PeerAddr' => $addr,
'PeerPort' => $port,
'Proto' => 'udp',
'Timeout' => $config{ping_timeout},
);
$socket->send("\x4f\x45\x74\x03\x00\x00\x00\x01");
local $SIG{ALRM} = sub { die "alarm time out"; };
alarm $config{ping_timeout};
$socket->recv($data, POSIX::BUFSIZ) or die "recv: $!";
alarm 0;
1; # return value from eval on normalcy
} or return 0;
return 0 unless length $data;
$time = float(time - $time);
printlog "recvd: ", length $data, " [$time]" if $config{debug};
return $time;
}
sub request (;$) {
my ($r) = @_;
$r ||= \%ENV;
my $param = get_params_utf8;
my $after = sub {
if ($param->{json}) {
my $j = {};
eval { $j = JSON->new->decode($param->{json}) || {} };
$param->{$_} = $j->{$_} for keys %$j;
delete $param->{json};
}
if (%$param) {
s/^false$// for values %$param;
$param->{ip} = $r->{REMOTE_ADDR};
$param->{ip} =~ s/^::ffff://;
for (@{$config{blacklist}}) {
return if $param->{ip} ~~ $_;
}
$param->{address} ||= $param->{ip};
if ($config{source_check}) {
(my $err, local @_) = getaddrinfo($param->{address});
my $addrs = [ map{(getnameinfo($_->{addr}, NI_NUMERICHOST, NIx_NOSERV))[1]} @_];
if (!($param->{ip} ~~ $addrs) and !($param->{ip} ~~ $config{trusted})) {
printlog("bad address (", @$addrs, ")[$param->{address}] ne [$param->{ip}] [$err]") if $config{debug};
return;
}
}
$param->{port} ||= 30000;
$param->{key} = "$param->{ip}:$param->{port}";
$param->{off} = time if $param->{action} ~~ 'delete';
if ($config{ping} and $param->{action} ne 'delete') {
if ($config{mineping}) {
$param->{ping} = mineping($param->{ip}, $param->{port});
} else {
$ping->port_number($param->{port});
$ping->service_check(0);
my ($pingret, $duration, $ip) = $ping->ping($param->{address});
if ($ip ne $param->{ip} and !($param->{ip} ~~ $config{trusted})) {
printlog "strange ping ip [$ip] != [$param->{ip}]" if $config{debug};
return if $config{source_check} and !($param->{ip} ~~ $config{trusted});
}
$param->{ping} = $duration if $pingret;
printlog " PING t=$config{ping_timeout}, $param->{address}:$param->{port} = ( $pingret, $duration, $ip )" if $config{debug};
}
}
my $list = read_json($config{list_full}) || {};
printlog "readed[$config{list_full}] list size=", scalar @{$list->{list}};
my $listk = {map { $_->{key} => $_ } @{$list->{list}}};
my $old = $listk->{$param->{key}};
$param->{time} = $old->{time} if $param->{off};
$param->{time} ||= int time;
$param->{start} = $param->{action} ~~ 'start' ? $param->{time} : $old->{start} || $param->{time};
delete $param->{start} if $param->{off};
$param->{first} ||= $old->{first} || $old->{time} || $param->{time};
$param->{clients_top} = $old->{clients_top} if $old->{clients_top} > $param->{clients};
$param->{clients_top} ||= $param->{clients} || 0;
$param->{mods} ||= $old->{mods} unless $param->{action} ~~ 'start';
delete $param->{action};
$listk->{$param->{key}} = $param;
#printlog Dumper $param;
$list->{list} = [grep { $_->{time} > time - $config{time_purge} } values %$listk];
file_rewrite($config{list_full}, JSON->new->encode($list));
printlog "writed[$config{list_full}] list size=", scalar @{$list->{list}} if $config{debug};
$list->{list} = [
sort { $b->{clients} <=> $a->{clients} || $a->{start} <=> $b->{start} }
grep { $_->{time} > time - $config{time_alive} and !$_->{off} and (!$config{ping} or !$config{pingable} or $_->{ping}) }
@{$list->{list}}
];
file_rewrite($config{list_pub}, JSON->new->encode($list));
printlog "writed[$config{list_pub}] list size=", scalar @{$list->{list}} if $config{debug};
}
};
return [200, ["Content-type", "application/json"], [JSON->new->encode({})]], $after;
}
sub request_cgi {
my ($p, $after) = request(@_);
shift @$p;
printu join "\n", map { join ': ', @$_ } shift @$p;
printu "\n\n";
printu join '', map { join '', @$_ } @$p;
if (fork) {
unless ($config{debug}) {
close STDOUT;
close STDERR;
}
} else {
$after->() if ref $after ~~ 'CODE';
}
}
request_cgi() unless caller;
|