| … | |
… | |
| 7 | use Socket; |
7 | use Socket; |
| 8 | use AnyEvent::Socket; |
8 | use AnyEvent::Socket; |
| 9 | |
9 | |
| 10 | CONF BIND_ADDRESSES = [[undef, 13327]]; |
10 | CONF BIND_ADDRESSES = [[undef, 13327]]; |
| 11 | |
11 | |
| 12 | our $MAX_DETECT = 32; # how many bytes to read to identify the protocol |
12 | our $MAX_DETECT; # how many bytes to read to identify the protocol |
| 13 | |
13 | |
| 14 | our @LISTENERS; |
14 | our @LISTENERS; |
|
|
15 | our @DETECTORS; |
|
|
16 | our %DETECTORS; |
| 15 | |
17 | |
| 16 | sub flash_policy_server { |
18 | sub _update_detectors { |
| 17 | my ($fh) = @_; |
19 | $MAX_DETECT = List::Util::max map $_->[1], values %DETECTORS; |
|
|
20 | } |
| 18 | |
21 | |
| 19 | # socket policy file, just write answer and hope the kernel accepts it in one go |
22 | sub register($$$$) { |
| 20 | syswrite $fh, <<EOF . "\x00" |
23 | my ($name, $max_detect, $detect, $serve) = @_; |
| 21 | <?xml version="1.0"?> |
24 | |
| 22 | <!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd"> |
25 | $DETECTORS{$name} = [$max_detect, $detect, $serve, $name]; |
| 23 | <cross-domain-policy> |
26 | _update_detectors; |
| 24 | <allow-access-from domain="*" to-ports="*"/> |
27 | |
| 25 | </cross-domain-policy> |
28 | Guard::guard { |
| 26 | EOF |
29 | delete $DETECTORS{$name}; |
|
|
30 | _update_detectors; |
|
|
31 | } |
| 27 | } |
32 | } |
|
|
33 | |
|
|
34 | our $deliantra_detector = ext::tcp::register deliantra => 10, sub { |
|
|
35 | /^..version /s |
|
|
36 | }, sub { |
|
|
37 | my $ns = cf::client::create fileno $_[1], $_[0]; |
|
|
38 | $ns->run; |
|
|
39 | $ns->inbuf_append ($_[2]); |
|
|
40 | }; |
| 28 | |
41 | |
| 29 | for (@$BIND_ADDRESSES) { |
42 | for (@$BIND_ADDRESSES) { |
| 30 | my ($host, $port) = @$_; |
43 | my ($host, $port) = @$_; |
| 31 | cf::info "listening on ", (format_hostport $host, $port), "\n"; |
44 | cf::info "listening on ", (format_hostport $host, $port), "\n"; |
| 32 | |
45 | |
| … | |
… | |
| 37 | my $lhost = AnyEvent::Socket::format_address |
50 | my $lhost = AnyEvent::Socket::format_address |
| 38 | +(AnyEvent::Socket::unpack_sockaddr getsockname $fh)[1]; |
51 | +(AnyEvent::Socket::unpack_sockaddr getsockname $fh)[1]; |
| 39 | |
52 | |
| 40 | my $id = format_hostport $host, $port; |
53 | my $id = format_hostport $host, $port; |
| 41 | |
54 | |
| 42 | cf::info "$id: new connection\n" |
55 | cf::info "$id: accepted connection.\n" |
| 43 | if $lhost ne $host; # do not log connections from the host, e.g. for watchdogs |
56 | if $lhost ne $host; # do not log connections from the host, e.g. for watchdogs |
| 44 | |
57 | |
| 45 | my $buf; |
58 | my $buf; |
| 46 | my $w; $w = AE::io $fh, 0, sub { |
59 | my $w; $w = AE::io $fh, 0, sub { |
| 47 | my $len = sysread $fh, $buf, 512, length $buf; |
60 | my $len = sysread $fh, $buf, 512, length $buf; |
| 48 | |
61 | |
| 49 | if ($len) { |
62 | if ($len) { |
| 50 | if ($buf =~ /^..version /s) { # deliantra protocol |
63 | for ($buf) { |
|
|
64 | for my $v (values %DETECTORS) { |
|
|
65 | if (my $cb = $v->[1]()) { |
| 51 | undef $w; |
66 | undef $w; |
|
|
67 | cf::debug "$id: detected protocol $v->[3].\n"; |
|
|
68 | $v->[2]($id, $fh, $buf); |
|
|
69 | return; |
|
|
70 | } |
|
|
71 | } |
| 52 | |
72 | |
| 53 | my $ns = cf::client::create fileno $fh, $host; |
73 | if (length >= $MAX_DETECT) { # unable to detect protocol |
| 54 | $ns->inbuf_append ($buf); |
|
|
| 55 | |
|
|
| 56 | } elsif ($buf =~ /^GET / && defined &ext::http::server) { # http or websocket |
|
|
| 57 | undef $w; |
74 | undef $w; |
| 58 | |
75 | cf::debug "$id: data received, but cannot detect protocol, closing.\n"; |
| 59 | &ext::http::server ($id, $fh, $buf); |
|
|
| 60 | |
|
|
| 61 | } elsif ($buf =~ /^<policy-file-request\/>\x00/) { |
|
|
| 62 | undef $w; |
76 | } |
| 63 | |
|
|
| 64 | flash_policy_server $fh; |
|
|
| 65 | |
|
|
| 66 | } elsif (length $buf >= $MAX_DETECT) { # unable to detect protocol |
|
|
| 67 | undef $w; |
|
|
| 68 | |
|
|
| 69 | cf::info "$id: protocol detection error\n"; |
|
|
| 70 | } |
77 | } |
| 71 | } else { |
78 | } else { |
| 72 | undef $w; |
79 | undef $w; |
| 73 | |
|
|
| 74 | cf::info "$id: read error during protocol detection\n"; |
80 | cf::info "$id: read error during protocol detection ($!)\n"; |
| 75 | } |
81 | } |
| 76 | }; |
82 | }; |
| 77 | }; |
83 | }; |
| 78 | } |
84 | } |
| 79 | |
85 | |
