Mercurial > prosody-modules
changeset 66:b86ae5e21a56
mod_proxy65: done! Who wants to test? :)
author | Thilo Cestonaro <thilo@cestona.ro> |
---|---|
date | Wed, 28 Oct 2009 23:29:37 +0100 |
parents | a35eb0764ac6 |
children | e839b4453387 |
files | mod_proxy65/mod_proxy65.lua |
diffstat | 1 files changed, 39 insertions(+), 28 deletions(-) [+] |
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line diff
--- a/mod_proxy65/mod_proxy65.lua Wed Oct 28 00:03:28 2009 +0100 +++ b/mod_proxy65/mod_proxy65.lua Wed Oct 28 23:29:37 2009 +0100 @@ -57,16 +57,14 @@ end function connlistener.listener(conn, data) - module:log("debug", "listener called....") local session = sessions[conn]; - - if data ~= nil then module:log("debug", bin2hex(data)); end - if not session and data ~= nil and data:byte() == string.char(5):byte() and data:len() > 2 then + + if session == nil and data ~= nil and data:sub(1):byte() == 0x05 and data:len() > 2 then local nmethods = data:sub(2):byte(); local methods = data:sub(3); local supported = false; for i=1, nmethods, 1 do - if(methods:sub(i):byte() == string.char(0):byte()) then + if(methods:sub(i):byte() == 0x00) then -- 0x00 == method: NO AUTH supported = true; break; end @@ -77,24 +75,39 @@ sessions[conn] = session; session.send(string.char(5, 0)); end - elseif data ~= nil and data:len() > 6 and - data:sub(1):byte() == string.char(5):byte() and -- SOCKS5 has 5 in first byte - data:sub(2):byte() == string.char(1):byte() and -- CMD must be 1 - data:sub(3):byte() == string.char(0):byte() and -- RSV must be 0 - data:sub(4):byte() == string.char(3):byte() and -- ATYP must be 3 - data:sub(-2):byte() == string.char(0):byte() and data:sub(-1):byte() == string.char(0):byte() -- PORT must be 0, size 2 byte - then - local sha = data:sub(6, data:len() - 2); - module:log("debug", "gotten sha: >%s<", sha); - if transfers[sha] == nil then - transfers[sha] = {}; - transfers[sha].target = conn; - module:log("debug", "target connected ... "); - elseif transfers[sha].target ~= nil then - transfers[sha].initiator = conn; - module:log("debug", "initiator connected ... "); + return; + end + if session ~= nil then + if session.sha ~= nil and transfers[session.sha] ~= nil then + local sha = session.sha; + if transfers[sha].activated == true and transfers[sha].initiator == conn and transfers[sha].target ~= nil then + transfers[sha].target.write(data); + return; + end end - session.send(string.char(5, 0, 0, 3, 40) .. sha .. string.char(0, 0)); -- VER, REP, RSV, ATYP, BND.ADDR (sha), BND.PORT (2 Byte) + 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 64 (0x40) + data:sub(-2):byte() == 0x00 and -- PORT must be 0, size 2 byte + data:sub(-1):byte() == 0x00 + then + local sha = data:sub(6, 45); -- second param is not count! it's the ending index (included!) + if transfers[sha] == nil then + transfers[sha] = {}; + transfers[sha].activated = false; + transfers[sha].target = conn; + session.sha = sha; + module:log("debug", "target connected ... "); + elseif transfers[sha].target ~= nil then + transfers[sha].initiator = conn; + session.sha = sha; + module:log("debug", "initiator connected ... "); + end + session.send(string.char(5, 0, 0, 3, sha:len()) .. sha .. string.char(0, 0)); -- VER, REP, RSV, ATYP, BND.ADDR (sha), BND.PORT (2 Byte) + end end end @@ -186,7 +199,6 @@ error("Proxy65: Could not establish a connection listener. Check your configuration please."); else connlistener.handler = connlisteners_start('proxy65'); - module:log("debug", "Connection listener registered ... ") module:add_item("proxy65", {jid=_host, name=_name}) component = component_register(_host, function(origin, stanza) local to_node, to_host, to_resource = jid_split(stanza.attr.to); @@ -208,13 +220,12 @@ elseif stanza.name == "iq" and type == "set" then local reply, from, to, sid = set_activation(stanza); if reply ~= nil and from ~= nil and to ~= nil and sid ~= nil then - module:log("debug", "need to build sha1 of data: from: %s, to: %s, sid: %s", from, to, sid); local sha = sha1(sid .. from .. to, true); - module:log("debug", "generated sha: %s", sha); - if(transfers[sha] ~= nil and transfers[sha].initiator ~= nil and transfers[sha].target ~= nil) then + if transfers[sha] == nil then + module:log("error", "transfers[sha]: nil"); + elseif(transfers[sha] ~= nil and transfers[sha].initiator ~= nil and transfers[sha].target ~= nil) then origin.send(reply); - forward(transfers[sha].initiator, transfers[sha].target); - transfers[sha] = nil; + transfers[sha].activated = true; end end end