| 1 | #! perl # MANDATORY |
1 | #! perl # mandatory |
| 2 | |
2 | |
| 3 | # this listens for new tcp connections and hands them over to the server core |
3 | # this listens for new tcp connections and hands them over to the server core |
| 4 | # wether this being an extension introduces or reduces stability problems |
4 | # whether this being an extension introduces or reduces stability problems |
| 5 | # is unknown as of today. |
5 | # is unknown as of today. |
| 6 | |
6 | |
| 7 | use Socket; |
7 | use Socket; |
| 8 | use AnyEvent::Socket; |
8 | use AnyEvent::Socket; |
| 9 | |
9 | |
| 10 | our $BIND = $cf::CFG{bind_addresses} || [[undef, 13327]]; |
10 | CONF BIND_ADDRESSES = [[undef, 13327]]; |
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11 | |
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12 | our $MAX_DETECT = 16; # how many bytes to raed to identify the protocol |
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13 | |
| 11 | our @LISTENERS; |
14 | our @LISTENERS; |
| 12 | |
15 | |
| 13 | for (@$BIND) { |
16 | sub flash_policy_server { |
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17 | my ($fh) = @_; |
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18 | |
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19 | # socket policy file, just write answer and hope the kernel accepts it in one go |
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20 | syswrite $fh, <<EOF . "\x00" |
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|
21 | <?xml version="1.0"?> |
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22 | <!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd"> |
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23 | <cross-domain-policy> |
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24 | <allow-access-from domain="*" to-ports="*"/> |
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25 | </cross-domain-policy> |
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26 | EOF |
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|
27 | } |
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28 | |
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|
29 | for (@$BIND_ADDRESSES) { |
| 14 | my ($host, $port) = @$_; |
30 | my ($host, $port) = @$_; |
| 15 | cf::info "listening on ", (format_hostport $host, $port), "\n"; |
31 | cf::info "listening on ", (format_hostport $host, $port), "\n"; |
| 16 | |
32 | |
| 17 | push @LISTENERS, tcp_server $host, $port, sub { |
33 | push @LISTENERS, tcp_server $host, $port, sub { |
| 18 | my ($fh, $host, $port) = @_ |
34 | my ($fh, $host, $port) = @_ |
| 19 | or return; |
35 | or return; |
| 20 | |
36 | |
| 21 | cf::info "new connection from ", (format_hostport $host, $port), "\n"; |
37 | my $lhost = AnyEvent::Socket::format_address |
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38 | +(AnyEvent::Socket::unpack_sockaddr getsockname $fh)[1]; |
| 22 | |
39 | |
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40 | my $id = format_hostport $host, $port; |
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41 | |
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42 | cf::info "$id: new connection\n" |
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43 | if $lhost ne $host; # do not log connections from the host, e.g. for watchdogs |
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44 | |
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45 | my $buf; |
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46 | my $w; $w = AE::io $fh, 0, sub { |
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47 | my $len = sysread $fh, $buf, 512, length $buf; |
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48 | |
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49 | if ($len) { |
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50 | if ($buf =~ /^..version /s) { # deliantra protocol |
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51 | undef $w; |
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52 | |
| 23 | cf::client::create fileno $fh, $host; |
53 | my $ns = cf::client::create fileno $fh, $host; |
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54 | $ns->inbuf_append ($buf); |
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55 | |
|
|
56 | } elsif ($buf =~ /^GET / && defined &ext::http::server) { # http or websocket |
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57 | undef $w; |
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58 | |
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59 | &ext::http::server ($id, $fh, $buf); |
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60 | |
|
|
61 | } elsif ($buf =~ /^<policy-file-request\/>\x00/) { |
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62 | undef $w; |
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63 | |
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64 | flash_policy_server $fh; |
|
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65 | |
|
|
66 | } elsif (length $buf >= $MAX_DETECT) { # unable to detect protocol |
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67 | undef $w; |
|
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68 | |
|
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69 | cf::info "$id: protocol detection error\n"; |
|
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70 | } |
|
|
71 | } else { |
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72 | undef $w; |
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73 | |
|
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74 | cf::info "$id: read error during protocol detection\n"; |
|
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75 | } |
|
|
76 | }; |
| 24 | }; |
77 | }; |
| 25 | } |
78 | } |
| 26 | |
79 | |
