X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_proxy65.lua;h=5b49073071736281f75752a4e54588a293229e08;hb=43bb3c3bb3a41275a235d6226c1757e298b40653;hp=d71c3d99cb610394a2d418e6fd4eb2a44095cb31;hpb=02f81ad0a145fa37c54972ec6376f3c060545124;p=prosody.git diff --git a/plugins/mod_proxy65.lua b/plugins/mod_proxy65.lua index d71c3d99..5b490730 100644 --- a/plugins/mod_proxy65.lua +++ b/plugins/mod_proxy65.lua @@ -10,10 +10,9 @@ module:unload("proxy65"); module:load("proxy65", ); ]]-- -if module:get_host_type() ~= "component" then - error("proxy65 should be loaded as a component, please see http://prosody.im/doc/components", 0); -end +local module = module; +local tostring = tostring; local jid_split, jid_join, jid_compare = require "util.jid".split, require "util.jid".join, require "util.jid".compare; local st = require "util.stanza"; local connlisteners = require "net.connlisteners"; @@ -21,7 +20,7 @@ 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, {}; +local sessions, transfers, replies_cache = {}, {}, {}; local proxy_port = module:get_option("proxy65_port") or 5000; local proxy_interface = module:get_option("proxy65_interface") or "*"; @@ -34,12 +33,12 @@ local connlistener = { default_port = proxy_port, default_interface = proxy_inte function connlistener.onincoming(conn, data) local session = sessions[conn] or {}; - if session.setup == nil and data ~= nil and data:sub(1):byte() == 0x05 and data:len() > 2 then - local nmethods = data:sub(2):byte(); + if session.setup == nil and data ~= nil and data:byte(1) == 0x05 and #data > 2 then + local nmethods = data:byte(2); local methods = data:sub(3); local supported = false; for i=1, nmethods, 1 do - if(methods:sub(i):byte() == 0x00) then -- 0x00 == method: NO AUTH + if(methods:byte(i) == 0x00) then -- 0x00 == method: NO AUTH supported = true; break; end @@ -64,14 +63,14 @@ function connlistener.onincoming(conn, data) return; end end - if data ~= nil and data:len() == 0x2F and -- 40 == length of SHA1 HASH, and 7 other bytes => 47 => 0x2F - data:sub(1):byte() == 0x05 and -- SOCKS5 has 5 in first byte - data:sub(2):byte() == 0x01 and -- CMD must be 1 - data:sub(3):byte() == 0x00 and -- RSV must be 0 - data:sub(4):byte() == 0x03 and -- ATYP must be 3 - data:sub(5):byte() == 40 and -- SHA1 HASH length must be 40 (0x28) - data:sub(-2):byte() == 0x00 and -- PORT must be 0, size 2 byte - data:sub(-1):byte() == 0x00 + if data ~= nil and #data == 0x2F and -- 40 == length of SHA1 HASH, and 7 other bytes => 47 => 0x2F + data:byte(1) == 0x05 and -- SOCKS5 has 5 in first byte + data:byte(2) == 0x01 and -- CMD must be 1 + data:byte(3) == 0x00 and -- RSV must be 0 + data:byte(4) == 0x03 and -- ATYP must be 3 + data:byte(5) == 40 and -- SHA1 HASH length must be 40 (0x28) + data:byte(-2) == 0x00 and -- PORT must be 0, size 2 byte + data:byte(-1) == 0x00 then local sha = data:sub(6, 45); -- second param is not count! it's the ending index (included!) if transfers[sha] == nil then @@ -87,7 +86,7 @@ function connlistener.onincoming(conn, data) 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:write(string.char(5, 0, 0, 3, #sha) .. sha .. string.char(0, 0)); -- VER, REP, RSV, ATYP, BND.ADDR (sha), BND.PORT (2 Byte) conn:lock_read(true) else module:log("warn", "Neither data transfer nor initial connect of a participator of a transfer.") @@ -118,6 +117,9 @@ function connlistener.ondisconnect(conn, err) end end +module:add_identity("proxy", "bytestreams", name); +module:add_feature("http://jabber.org/protocol/bytestreams"); + module:hook("iq-get/host/http://jabber.org/protocol/disco#info:query", function(event) local origin, stanza = event.origin, event.stanza; local reply = replies_cache.disco_info; @@ -193,15 +195,12 @@ module.unload = function() end local function set_activation(stanza) - local from, to, sid, reply = nil; - from = stanza.attr.from; - if stanza.tags[1] ~= nil and tostring(stanza.tags[1].name) == "query" then - if stanza.tags[1].attr ~= nil then - sid = stanza.tags[1].attr.sid; - end - if stanza.tags[1].tags[1] ~= nil and tostring(stanza.tags[1].tags[1].name) == "activate" then - to = stanza.tags[1].tags[1][1]; - end + local to, reply; + local from = stanza.attr.from; + local query = stanza.tags[1]; + local sid = query.attr.sid; + if query.tags[1] and query.tags[1].name == "activate" then + to = query.tags[1][1]; end if from ~= nil and to ~= nil and sid ~= nil then reply = st.iq({type="result", from=host, to=from});