diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/mod_console.lua | 124 | ||||
| -rw-r--r-- | plugins/mod_proxy65.lua | 41 |
2 files changed, 79 insertions, 86 deletions
diff --git a/plugins/mod_console.lua b/plugins/mod_console.lua index 8f574704..4457a2f3 100644 --- a/plugins/mod_console.lua +++ b/plugins/mod_console.lua @@ -53,76 +53,76 @@ end local sessions = {}; +function console_listener.onconnect(conn) + -- Handle new connection + local session = console:new_session(conn); + sessions[conn] = session; + printbanner(session); +end + function console_listener.onincoming(conn, data) local session = sessions[conn]; - - if not session then - -- Handle new connection - session = console:new_session(conn); - sessions[conn] = session; - printbanner(session); - end - if data then - -- Handle data - (function(session, data) - local useglobalenv; - - if data:match("^>") then - data = data:gsub("^>", ""); - useglobalenv = true; - elseif data == "\004" then - commands["bye"](session, data); + + -- Handle data + (function(session, data) + local useglobalenv; + + if data:match("^>") then + data = data:gsub("^>", ""); + useglobalenv = true; + elseif data == "\004" then + commands["bye"](session, data); + return; + else + local command = data:lower(); + command = data:match("^%w+") or data:match("%p"); + if commands[command] then + commands[command](session, data); return; - else - local command = data:lower(); - command = data:match("^%w+") or data:match("%p"); - if commands[command] then - commands[command](session, data); - return; - end end + end - session.env._ = data; - - local chunk, err = loadstring("return "..data); + session.env._ = data; + + local chunk, err = loadstring("return "..data); + if not chunk then + chunk, err = loadstring(data); if not chunk then - chunk, err = loadstring(data); - if not chunk then - err = err:gsub("^%[string .-%]:%d+: ", ""); - err = err:gsub("^:%d+: ", ""); - err = err:gsub("'<eof>'", "the end of the line"); - session.print("Sorry, I couldn't understand that... "..err); - return; - end - end - - setfenv(chunk, (useglobalenv and redirect_output(_G, session)) or session.env or nil); - - local ranok, taskok, message = pcall(chunk); - - if not (ranok or message or useglobalenv) and commands[data:lower()] then - commands[data:lower()](session, data); + err = err:gsub("^%[string .-%]:%d+: ", ""); + err = err:gsub("^:%d+: ", ""); + err = err:gsub("'<eof>'", "the end of the line"); + session.print("Sorry, I couldn't understand that... "..err); return; end - - if not ranok then - session.print("Fatal error while running command, it did not complete"); - session.print("Error: "..taskok); - return; - end - - if not message then - session.print("Result: "..tostring(taskok)); - return; - elseif (not taskok) and message then - session.print("Command completed with a problem"); - session.print("Message: "..tostring(message)); - return; - end - - session.print("OK: "..tostring(message)); - end)(session, data); - end + end + + setfenv(chunk, (useglobalenv and redirect_output(_G, session)) or session.env or nil); + + local ranok, taskok, message = pcall(chunk); + + if not (ranok or message or useglobalenv) and commands[data:lower()] then + commands[data:lower()](session, data); + return; + end + + if not ranok then + session.print("Fatal error while running command, it did not complete"); + session.print("Error: "..taskok); + return; + end + + if not message then + session.print("Result: "..tostring(taskok)); + return; + elseif (not taskok) and message then + session.print("Command completed with a problem"); + session.print("Message: "..tostring(message)); + return; + end + + session.print("OK: "..tostring(message)); + end)(session, data); + session.send(string.char(0)); end 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 |