X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_dialback.lua;h=dc3c3f10a7a06cf8a52ec9aa8463c2039ed62ab4;hb=8708def4f55e61acdd5b2c762d420ab40da0d015;hp=67be15e33bda6ecb7ed17a7758ed7b6fbcd0ea55;hpb=6cd8cfafaab03a47d3c511bcc95c758e7c1d4428;p=prosody.git diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua index 67be15e3..dc3c3f10 100644 --- a/plugins/mod_dialback.lua +++ b/plugins/mod_dialback.lua @@ -7,12 +7,12 @@ -- local hosts = _G.hosts; -local s2s_make_authenticated = require "core.s2smanager".make_authenticated; local log = module._log; local st = require "util.stanza"; local sha256_hash = require "util.hashes".sha256; +local sha256_hmac = require "util.hashes".hmac_sha256; local nameprep = require "util.encodings".stringprep.nameprep; local xmlns_stream = "http://etherx.jabber.org/streams"; @@ -20,7 +20,7 @@ local xmlns_stream = "http://etherx.jabber.org/streams"; local dialback_requests = setmetatable({}, { __mode = 'v' }); function generate_dialback(id, to, from) - return sha256_hash(id..to..from..hosts[from].dialback_secret, true); + return sha256_hmac(sha256_hash(hosts[from].dialback_secret), to .. ' ' .. from .. ' ' .. id, true); end function initiate_dialback(session) @@ -41,6 +41,11 @@ module:hook("stanza/jabber:server:dialback:verify", function(event) -- We are being asked to verify the key, to ensure it was generated by us origin.log("debug", "verifying that dialback key is ours..."); local attr = stanza.attr; + if attr.type then + module:log("warn", "Ignoring incoming session from %s claiming a dialback key for %s is %s", + origin.from_host or "(unknown)", attr.from or "(unknown)", attr.type); + return true; + end -- COMPAT: Grr, ejabberd breaks this one too?? it is black and white in XEP-220 example 34 --if attr.from ~= origin.to_host then error("invalid-from"); end local type; @@ -102,18 +107,17 @@ module:hook("stanza/jabber:server:dialback:verify", function(event) if origin.type == "s2sout_unauthed" or origin.type == "s2sout" then local attr = stanza.attr; local dialback_verifying = dialback_requests[attr.from.."/"..(attr.id or "")]; - module:log("debug", tostring(dialback_verifying).." "..attr.from.." "..origin.to_host); if dialback_verifying and attr.from == origin.to_host then local valid; if attr.type == "valid" then - s2s_make_authenticated(dialback_verifying, attr.from); + module:fire_event("s2s-authenticated", { session = dialback_verifying, host = attr.from }); valid = "valid"; else -- Warn the original connection that is was not verified successfully - log("warn", "authoritative server for "..(attr.from or "(unknown)").." denied the key"); + log("warn", "authoritative server for %s denied the key", attr.from or "(unknown)"); valid = "invalid"; end - if not dialback_verifying.sends2s then + if dialback_verifying.destroyed then log("warn", "Incoming s2s session %s was closed in the meantime, so we can't notify it of the db result", tostring(dialback_verifying):match("%w+$")); else dialback_verifying.sends2s( @@ -142,7 +146,7 @@ module:hook("stanza/jabber:server:dialback:result", function(event) return true; end if stanza.attr.type == "valid" then - s2s_make_authenticated(origin, attr.from); + module:fire_event("s2s-authenticated", { session = origin, host = attr.from }); else origin:close("not-authorized", "dialback authentication failed"); end @@ -166,7 +170,7 @@ module:hook_stanza(xmlns_stream, "features", function (origin, stanza) end end, 100); -module:hook("s2s-authenticate-legacy", function (event) +module:hook("s2sout-authenticate-legacy", function (event) module:log("debug", "Initiating dialback..."); initiate_dialback(event.origin); return true;