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-rw-r--r--core/sessionmanager.lua2
-rw-r--r--core/stanza_router.lua79
-rw-r--r--core/xmlhandlers.lua42
3 files changed, 104 insertions, 19 deletions
diff --git a/core/sessionmanager.lua b/core/sessionmanager.lua
index fd9b1272..2b7659d2 100644
--- a/core/sessionmanager.lua
+++ b/core/sessionmanager.lua
@@ -11,7 +11,7 @@ local sessions = sessions;
local modulemanager = require "core.modulemanager";
local log = require "util.logger".init("sessionmanager");
local error = error;
-local uuid_generate = require "util.uuid".uuid_generate;
+local uuid_generate = require "util.uuid".generate;
local rm_load_roster = require "core.rostermanager".load_roster;
local newproxy = newproxy;
diff --git a/core/stanza_router.lua b/core/stanza_router.lua
index d139bc29..5062bc23 100644
--- a/core/stanza_router.lua
+++ b/core/stanza_router.lua
@@ -9,9 +9,14 @@ local log = require "util.logger".init("stanzarouter")
local st = require "util.stanza";
local send = require "core.sessionmanager".send_to_session;
--- local send_s2s = require "core.s2smanager".send_to_host;
+local send_s2s = require "core.s2smanager".send_to_host;
local user_exists = require "core.usermanager".user_exists;
+local s2s_verify_dialback = require "core.s2smanager".verify_dialback;
+local s2s_make_authenticated = require "core.s2smanager".make_authenticated;
+local format = string.format;
+local tostring = tostring;
+
local jid_split = require "util.jid".split;
local print = print;
@@ -33,17 +38,18 @@ function core_process_stanza(origin, stanza)
end
local to = stanza.attr.to;
- stanza.attr.from = origin.full_jid; -- quick fix to prevent impersonation (FIXME this would be incorrect when the origin is not c2s)
-- TODO also, stazas should be returned to their original state before the function ends
+ if origin.type == "c2s" then
+ stanza.attr.from = origin.full_jid; -- quick fix to prevent impersonation (FIXME this would be incorrect when the origin is not c2s)
+ end
- -- TODO presence subscriptions
if not to then
core_handle_stanza(origin, stanza);
elseif hosts[to] and hosts[to].type == "local" then
core_handle_stanza(origin, stanza);
elseif stanza.name == "iq" and not select(3, jid_split(to)) then
core_handle_stanza(origin, stanza);
- elseif origin.type == "c2s" then
+ elseif origin.type == "c2s" or origin.type == "s2sin" then
core_route_stanza(origin, stanza);
end
end
@@ -90,6 +96,58 @@ function core_handle_stanza(origin, stanza)
log("debug", "Routing stanza to local");
handle_stanza(session, stanza);
end
+ elseif origin.type == "s2sin_unauthed" or origin.type == "s2sin" then
+ if stanza.attr.xmlns == "jabber:server:dialback" then
+ if stanza.name == "verify" then
+ -- We are being asked to verify the key, to ensure it was generated by us
+ log("debug", "verifying dialback key...");
+ local attr = stanza.attr;
+ print(tostring(attr.to), tostring(attr.from))
+ print(tostring(origin.to_host), tostring(origin.from_host))
+ -- FIXME: 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 = "invalid";
+ if s2s_verify_dialback(attr.id, attr.from, attr.to, stanza[1]) then
+ type = "valid"
+ end
+ origin.send(format("<db:verify from='%s' to='%s' id='%s' type='%s'>%s</db:verify>", attr.to, attr.from, attr.id, type, stanza[1]));
+ elseif stanza.name == "result" and origin.type == "s2sin_unauthed" then
+ -- he wants to be identified through dialback
+ -- We need to check the key with the Authoritative server
+ local attr = stanza.attr;
+ origin.from_host = attr.from;
+ origin.to_host = attr.to;
+ origin.dialback_key = stanza[1];
+ log("debug", "asking %s if key %s belongs to them", attr.from, stanza[1]);
+ send_s2s(attr.to, attr.from, format("<db:verify from='%s' to='%s' id='%s'>%s</db:verify>", attr.to, attr.from, origin.streamid, stanza[1]));
+ hosts[attr.from].dialback_verifying = origin;
+ end
+ end
+ elseif origin.type == "s2sout_unauthed" or origin.type == "s2sout" then
+ if stanza.attr.xmlns == "jabber:server:dialback" then
+ if stanza.name == "result" then
+ if stanza.attr.type == "valid" then
+ s2s_make_authenticated(origin);
+ else
+ -- FIXME
+ error("dialback failed!");
+ end
+ elseif stanza.name == "verify" and origin.dialback_verifying then
+ local valid;
+ local attr = stanza.attr;
+ if attr.type == "valid" then
+ s2s_make_authenticated(origin.dialback_verifying);
+ valid = "valid";
+ else
+ -- Warn the original connection that is was not verified successfully
+ log("warn", "dialback for "..(origin.dialback_verifying.from_host or "(unknown)").." failed");
+ valid = "invalid";
+ end
+ origin.dialback_verifying.send(format("<db:result from='%s' to='%s' id='%s' type='%s'>%s</db:result>", attr.from, attr.to, attr.id, valid, origin.dialback_verifying.dialback_key));
+ end
+ end
+ else
+ log("warn", "Unhandled origin: %s", origin.type);
end
end
@@ -184,13 +242,14 @@ function core_route_stanza(origin, stanza)
end
end
end
- else
+ elseif origin.type == "c2s" then
-- Remote host
- if host_session then
- -- Send to session
- else
- -- Need to establish the connection
- end
+ --stanza.attr.xmlns = "jabber:server";
+ stanza.attr.xmlns = nil;
+ log("debug", "sending s2s stanza: %s", tostring(stanza));
+ send_s2s(origin.host, host, stanza);
+ else
+ log("warn", "received stanza from unhandled connection type: %s", origin.type);
end
stanza.attr.to = to; -- reset
end
diff --git a/core/xmlhandlers.lua b/core/xmlhandlers.lua
index a6b1c18a..3037a848 100644
--- a/core/xmlhandlers.lua
+++ b/core/xmlhandlers.lua
@@ -15,6 +15,8 @@ local t_concat = table.concat;
local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
local sm_destroy_session = import("core.sessionmanager", "destroy_session");
+local default_log = require "util.logger".init("xmlhandlers");
+
local error = error;
module "xmlhandlers"
@@ -29,8 +31,8 @@ function init_xmlhandlers(session, streamopened)
local curr_tag;
local chardata = {};
local xml_handlers = {};
- local log = session.log;
- local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end
+ local log = session.log or default_log;
+ --local print = function (...) log("info", "xmlhandlers", t_concatall({...}, "\t")); end
local send = session.send;
@@ -41,8 +43,27 @@ function init_xmlhandlers(session, streamopened)
stanza:text(t_concat(chardata));
chardata = {};
end
- curr_ns,name = name:match("^(.+):(%w+)$");
- if not stanza then
+ curr_ns,name = name:match("^(.+)|([%w%-]+)$");
+ if curr_ns ~= "jabber:server" then
+ attr.xmlns = curr_ns;
+ end
+
+ -- FIXME !!!!!
+ for i, k in ipairs(attr) do
+ if type(k) == "string" then
+ local ns, nm = k:match("^([^|]+)|?([^|]-)$")
+ if ns and nm then
+ ns = ns_prefixes[ns];
+ if ns then
+ attr[ns..":"..nm] = attr[k];
+ attr[i] = ns..":"..nm;
+ attr[k] = nil;
+ end
+ end
+ end
+ end
+
+ if not stanza then --if we are not currently inside a stanza
if session.notopen then
if name == "stream" then
streamopened(session, attr);
@@ -53,11 +74,14 @@ function init_xmlhandlers(session, streamopened)
if curr_ns == "jabber:client" and name ~= "iq" and name ~= "presence" and name ~= "message" then
error("Client sent invalid top-level stanza");
end
- attr.xmlns = curr_ns;
+
stanza = st.stanza(name, attr); --{ to = attr.to, type = attr.type, id = attr.id, xmlns = curr_ns });
curr_tag = stanza;
- else
- attr.xmlns = curr_ns;
+ else -- we are inside a stanza, so add a tag
+ attr.xmlns = nil;
+ if curr_ns ~= "jabber:server" and curr_ns ~= "jabber:client" then
+ attr.xmlns = curr_ns;
+ end
stanza:tag(name, attr);
end
end
@@ -67,12 +91,14 @@ function init_xmlhandlers(session, streamopened)
end
end
function xml_handlers:EndElement(name)
- curr_ns,name = name:match("^(.+):(%w+)$");
+ curr_ns,name = name:match("^(.+)|([%w%-]+)$");
if (not stanza) or #stanza.last_add < 0 or (#stanza.last_add > 0 and name ~= stanza.last_add[#stanza.last_add].name) then
if name == "stream" then
log("debug", "Stream closed");
sm_destroy_session(session);
return;
+ elseif name == "error" then
+ error("Stream error: "..tostring(name)..": "..tostring(stanza));
else
error("XML parse error in client stream");
end