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root |
1.17 |
#! perl # mandatory |
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root |
1.1 |
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| 3 |
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# this listens for new tcp connections and hands them over to the server core |
| 4 |
root |
1.19 |
# whether this being an extension introduces or reduces stability problems |
| 5 |
root |
1.1 |
# is unknown as of today. |
| 6 |
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| 7 |
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use Socket; |
| 8 |
root |
1.12 |
use AnyEvent::Socket; |
| 9 |
root |
1.1 |
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| 10 |
root |
1.20 |
CONF BIND_ADDRESSES = [[undef, 13327]]; |
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| 12 |
root |
1.21 |
our $MAX_DETECT = 16; # how many bytes to raed to identify the protocol |
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| 14 |
root |
1.15 |
our @LISTENERS; |
| 15 |
root |
1.12 |
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| 16 |
root |
1.23 |
sub flash_policy_server { |
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my ($fh) = @_; |
| 18 |
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| 19 |
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# socket policy file, just write answer and hope the kernel accepts it in one go |
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syswrite $fh, <<EOF . "\x00" |
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<?xml version="1.0"?> |
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<!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd"> |
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<cross-domain-policy> |
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<allow-access-from domain="*" to-ports="*"/> |
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</cross-domain-policy> |
| 26 |
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EOF |
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} |
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| 29 |
root |
1.20 |
for (@$BIND_ADDRESSES) { |
| 30 |
root |
1.12 |
my ($host, $port) = @$_; |
| 31 |
root |
1.16 |
cf::info "listening on ", (format_hostport $host, $port), "\n"; |
| 32 |
root |
1.12 |
|
| 33 |
root |
1.15 |
push @LISTENERS, tcp_server $host, $port, sub { |
| 34 |
root |
1.12 |
my ($fh, $host, $port) = @_ |
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or return; |
| 36 |
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| 37 |
root |
1.18 |
my $lhost = AnyEvent::Socket::format_address |
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+(AnyEvent::Socket::unpack_sockaddr getsockname $fh)[1]; |
| 39 |
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| 40 |
root |
1.21 |
my $id = format_hostport $host, $port; |
| 41 |
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| 42 |
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cf::info "$id: new connection\n" |
| 43 |
root |
1.18 |
if $lhost ne $host; # do not log connections from the host, e.g. for watchdogs |
| 44 |
root |
1.12 |
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| 45 |
root |
1.21 |
my $buf; |
| 46 |
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my $w; $w = AE::io $fh, 0, sub { |
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my $len = sysread $fh, $buf, 512, length $buf; |
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| 49 |
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if ($len) { |
| 50 |
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if ($buf =~ /^..version /s) { # deliantra protocol |
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undef $w; |
| 52 |
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| 53 |
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my $ns = cf::client::create fileno $fh, $host; |
| 54 |
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$ns->inbuf_append ($buf); |
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| 56 |
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} elsif ($buf =~ /^GET / && defined &ext::http::server) { # http or websocket |
| 57 |
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undef $w; |
| 58 |
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| 59 |
root |
1.22 |
&ext::http::server ($id, $fh, $buf); |
| 60 |
root |
1.21 |
|
| 61 |
root |
1.23 |
} elsif ($buf =~ /^<policy-file-request\/>\x00/) { |
| 62 |
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undef $w; |
| 63 |
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| 64 |
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flash_policy_server $fh; |
| 65 |
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| 66 |
root |
1.21 |
} elsif (length $buf >= $MAX_DETECT) { # unable to detect protocol |
| 67 |
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undef $w; |
| 68 |
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| 69 |
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cf::info "$id: protocol detection error\n"; |
| 70 |
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} |
| 71 |
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} else { |
| 72 |
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undef $w; |
| 73 |
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| 74 |
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cf::info "$id: read error during protocol detection\n"; |
| 75 |
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} |
| 76 |
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}; |
| 77 |
root |
1.12 |
}; |
| 78 |
root |
1.1 |
} |
| 79 |
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