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psu_login: Reject clients version < 2.009.2.

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This commit is contained in:
Loïc Hoguin 2010-08-26 17:18:47 +02:00
parent bd21a5e5db
commit ea81ac7f64
3 changed files with 23 additions and 7 deletions
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BIN
priv/psu_login/error_version.txt Normal file
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5
src/psu/psu_game.erl
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@ -117,11 +117,6 @@ process_handle(16#020d, << GID:32/little-unsigned-integer, Auth:32/bits, _/bits
end end
end; end;
%% @doc Platform information handler.
process_handle(16#080e, << _:64, Version:32/little-unsigned-integer, _/bits >>) ->
file:write_file("versions.txt", io_lib:format("~b~n", [Version]), [append]),
?MODULE:process();
%% @doc Unknown command handler. Do nothing. %% @doc Unknown command handler. Do nothing.
process_handle(Command, _) -> process_handle(Command, _) ->
log("(process) dismissed packet ~4.16.0b", [Command]), log("(process) dismissed packet ~4.16.0b", [Command]),

25
src/psu/psu_login.erl
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@ -124,8 +124,29 @@ handle(Command, CSocket, SessionID, Orig) when Command =:= 16#0226; Command =:=
Packet = << 16#0225:16, 0:304, NbPages:8, Page:8, 16#8200:16/unsigned-integer, MOTD/binary, 0:16 >>, Packet = << 16#0225:16, 0:304, NbPages:8, Page:8, 16#8200:16/unsigned-integer, MOTD/binary, 0:16 >>,
psu_proto:packet_send(CSocket, Packet); psu_proto:packet_send(CSocket, Packet);
%% Silently ignore packets 0227 and 080e. %% @doc Platform information handler. Reject versions < 2.0009.2.
handle(Command, _, _, _) when Command =:= 16#0227; Command =:= 16#080e -> handle(16#080e, CSocket, SessionID, << _:352, _:64, Revision:8, Minor:4, _:12, Major:4, _:4, _/bits >>) ->
Version = Major * 1000000 + Minor * 1000 + Revision,
if Version < 2009002 ->
log(SessionID, "reject outdated version ~b.~b.~b", [Major, Minor, Revision]),
Website = << "http://psumods.co.uk/forums/comments.php?DiscussionID=40#Item_1" >>,
Size = byte_size(Website),
WebsiteLen = Size + 1,
PaddingSize = 8 * (512 - Size),
WebsitePacket = << 16#02310300:32, 16#ffff0000:32, 16#00000f00:32, SessionID:32/little, 0:64, 16#00000f00:32, SessionID:32/little, 0:64,
WebsiteLen:32/little, Website/binary, 0:PaddingSize >>,
psu_proto:packet_send(CSocket, WebsitePacket),
{ok, File} = file:read_file("priv/psu_login/error_version.txt"),
ErrorLen = byte_size(File) div 2 + 2,
ErrorPacket = << 16#02230300:32, 0:160, 16#00000f00:32, SessionID:32/little, 0:96, 16#f9dbce73:32, 3:32/little, 0:48, ErrorLen:16/little, File/binary, 0:16 >>,
psu_proto:packet_send(CSocket, ErrorPacket),
closed;
true ->
ignore
end;
%% Silently ignore command 0227.
handle(16#0227, _, _, _) ->
ignore; ignore;
%% Unknown command handler. Print a log message about it. %% Unknown command handler. Print a log message about it.