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-rw-r--r--plugins/mod_proxy65.lua41
1 files changed, 17 insertions, 24 deletions
diff --git a/plugins/mod_proxy65.lua b/plugins/mod_proxy65.lua
index 5c9ae329..190d30be 100644
--- a/plugins/mod_proxy65.lua
+++ b/plugins/mod_proxy65.lua
@@ -20,6 +20,7 @@ local componentmanager = require "core.componentmanager";
local config_get = require "core.configmanager".get;
local connlisteners = require "net.connlisteners";
local sha1 = require "util.hashes".sha1;
+local server = require "net.server";
local host, name = module:get_host(), "SOCKS5 Bytestreams Service";
local sessions, transfers, component, replies_cache = {}, {}, nil, {};
@@ -28,6 +29,7 @@ local proxy_port = config_get(host, "core", "proxy65_port") or 5000;
local proxy_interface = config_get(host, "core", "proxy65_interface") or "*";
local proxy_address = config_get(host, "core", "proxy65_address") or (proxy_interface ~= "*" and proxy_interface) or host;
local proxy_acl = config_get(host, "core", "proxy65_acl");
+local max_buffer_size = 4096;
local connlistener = { default_port = proxy_port, default_interface = proxy_interface, default_mode = "*a" };
@@ -84,8 +86,8 @@ function connlistener.onincoming(conn, data)
transfers[sha].initiator = conn;
session.sha = sha;
module:log("debug", "initiator connected ... ");
- throttle_sending(conn, transfers[sha].target);
- throttle_sending(transfers[sha].target, conn);
+ server.link(conn, transfers[sha].target, max_buffer_size);
+ server.link(transfers[sha].target, conn, max_buffer_size);
end
conn:write(string.char(5, 0, 0, 3, sha:len()) .. sha .. string.char(0, 0)); -- VER, REP, RSV, ATYP, BND.ADDR (sha), BND.PORT (2 Byte)
conn:lock_read(true)
@@ -234,8 +236,12 @@ function handle_to_domain(origin, stanza)
elseif xmlns == "http://jabber.org/protocol/bytestreams" then
origin.send(get_stream_host(origin, stanza));
return true;
+ else
+ origin.send(st.error_reply(stanza, "cancel", "service-unavailable"));
+ return true;
end
elseif stanza.name == "iq" and type == "set" then
+ module:log("debug", "Received activation request from %s", stanza.attr.from);
local reply, from, to, sid = set_activation(stanza);
if reply ~= nil and from ~= nil and to ~= nil and sid ~= nil then
local sha = sha1(sid .. from .. to, true);
@@ -246,6 +252,15 @@ function handle_to_domain(origin, stanza)
transfers[sha].activated = true;
transfers[sha].target:lock_read(false);
transfers[sha].initiator:lock_read(false);
+ else
+ module:log("debug", "Both parties were not yet connected");
+ local message = "Neither party is connected to the proxy";
+ if transfers[sha].initiator then
+ message = "The recipient is not connected to the proxy";
+ elseif transfers[sha].target then
+ message = "The sender (you) is not connected to the proxy";
+ end
+ origin.send(st.error_reply(stanza, "cancel", "not-allowed", message));
end
else
module:log("error", "activation failed: sid: %s, initiator: %s, target: %s", tostring(sid), tostring(from), tostring(to));
@@ -262,25 +277,3 @@ end
connlisteners.start(module.host .. ':proxy65');
component = componentmanager.register_component(host, handle_to_domain);
-local sender_lock_threshold = 4096;
-function throttle_sending(sender, receiver)
- sender:pattern(sender_lock_threshold);
- local sender_locked;
- local _sendbuffer = receiver.sendbuffer;
- function receiver.sendbuffer()
- _sendbuffer();
- if sender_locked and receiver.bufferlen() < sender_lock_threshold then
- sender:lock_read(false); -- Unlock now
- sender_locked = nil;
- end
- end
-
- local _readbuffer = sender.readbuffer;
- function sender.readbuffer()
- _readbuffer();
- if not sender_locked and receiver.bufferlen() >= sender_lock_threshold then
- sender_locked = true;
- sender:lock_read(true);
- end
- end
-end