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-rw-r--r--net/http.lua4
-rw-r--r--net/http/server.lua4
-rw-r--r--net/server_event.lua11
-rw-r--r--net/server_select.lua5
-rw-r--r--plugins/mod_admin_telnet.lua4
-rw-r--r--plugins/mod_c2s.lua6
-rw-r--r--plugins/mod_component.lua4
-rw-r--r--plugins/mod_dialback.lua18
-rw-r--r--plugins/mod_net_multiplex.lua3
-rw-r--r--plugins/mod_s2s/mod_s2s.lua11
-rw-r--r--plugins/mod_s2s_auth_certs.lua61
-rw-r--r--util/hex.lua19
-rw-r--r--util/random.lua43
-rw-r--r--util/uuid.lua44
14 files changed, 159 insertions, 78 deletions
diff --git a/net/http.lua b/net/http.lua
index b87c9396..35e02fdf 100644
--- a/net/http.lua
+++ b/net/http.lua
@@ -71,6 +71,10 @@ function listener.ondisconnect(conn, err)
requests[conn] = nil;
end
+function listener.ondetach(conn)
+ requests[conn] = nil;
+end
+
local function request_reader(request, data, err)
if not request.parser then
local function error_cb(reason)
diff --git a/net/http/server.lua b/net/http/server.lua
index 09f8d2a4..be870c51 100644
--- a/net/http/server.lua
+++ b/net/http/server.lua
@@ -142,6 +142,10 @@ function listener.ondisconnect(conn)
sessions[conn] = nil;
end
+function listener.ondetach(conn)
+ sessions[conn] = nil;
+end
+
function listener.onincoming(conn, data)
sessions[conn]:feed(data);
end
diff --git a/net/server_event.lua b/net/server_event.lua
index 52c1e9c1..480d876d 100644
--- a/net/server_event.lua
+++ b/net/server_event.lua
@@ -439,9 +439,11 @@ do
end
function interface_mt:setlistener(listener)
- self.onconnect, self.ondisconnect, self.onincoming, self.ontimeout, self.onreadtimeout, self.onstatus
- = listener.onconnect, listener.ondisconnect, listener.onincoming,
- listener.ontimeout, listener.onreadtimeout, listener.onstatus;
+ self:ondetach(); -- Notify listener that it is no longer responsible for this connection
+ self.onconnect, self.ondisconnect, self.onincoming, self.ontimeout,
+ self.onreadtimeout, self.onstatus, self.ondetach
+ = listener.onconnect, listener.ondisconnect, listener.onincoming, listener.ontimeout,
+ listener.onreadtimeout, listener.onstatus, listener.ondetach;
end
-- Stub handlers
@@ -461,6 +463,8 @@ do
end
function interface_mt:ondrain()
end
+ function interface_mt:ondetach()
+ end
function interface_mt:onstatus()
end
end
@@ -488,6 +492,7 @@ do
ontimeout = listener.ontimeout; -- called when fatal socket timeout occurs
onreadtimeout = listener.onreadtimeout; -- called when socket inactivity timeout occurs
ondrain = listener.ondrain; -- called when writebuffer is empty
+ ondetach = listener.ondetach; -- called when disassociating this listener from this connection
onstatus = listener.onstatus; -- called for status changes (e.g. of SSL/TLS)
eventread = false, eventwrite = false, eventclose = false,
eventhandshake = false, eventstarthandshake = false; -- event handler
diff --git a/net/server_select.lua b/net/server_select.lua
index 06deec32..9b8e41d9 100644
--- a/net/server_select.lua
+++ b/net/server_select.lua
@@ -286,6 +286,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
local disconnect = listeners.ondisconnect
local drain = listeners.ondrain
local onreadtimeout = listeners.onreadtimeout;
+ local detach = listeners.ondetach
local bufferqueue = { } -- buffer array
local bufferqueuelen = 0 -- end of buffer array
@@ -317,11 +318,15 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
handler.onreadtimeout = onreadtimeout;
handler.setlistener = function( self, listeners )
+ if detach then
+ detach(self) -- Notify listener that it is no longer responsible for this connection
+ end
dispatch = listeners.onincoming
disconnect = listeners.ondisconnect
status = listeners.onstatus
drain = listeners.ondrain
handler.onreadtimeout = listeners.onreadtimeout
+ detach = listeners.ondetach
end
handler.getstats = function( )
return readtraffic, sendtraffic
diff --git a/plugins/mod_admin_telnet.lua b/plugins/mod_admin_telnet.lua
index d20bcc7b..55eb2e55 100644
--- a/plugins/mod_admin_telnet.lua
+++ b/plugins/mod_admin_telnet.lua
@@ -170,6 +170,10 @@ function console_listener.ondisconnect(conn, err)
end
end
+function console_listener.ondetach(conn)
+ sessions[conn] = nil;
+end
+
-- Console commands --
-- These are simple commands, not valid standalone in Lua
diff --git a/plugins/mod_c2s.lua b/plugins/mod_c2s.lua
index bb3858c0..4238b2e7 100644
--- a/plugins/mod_c2s.lua
+++ b/plugins/mod_c2s.lua
@@ -240,9 +240,9 @@ function listener.onconnect(conn)
function session.data(data)
-- Parse the data, which will store stanzas in session.pending_stanzas
if data then
- data = filter("bytes/in", data);
- if data then
- local ok, err = stream:feed(data);
+ data = filter("bytes/in", data);
+ if data then
+ local ok, err = stream:feed(data);
if not ok then
log("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "):gsub("[%z\1-\31]", "_"));
session:close("not-well-formed");
diff --git a/plugins/mod_component.lua b/plugins/mod_component.lua
index 297609d8..53ef4ed0 100644
--- a/plugins/mod_component.lua
+++ b/plugins/mod_component.lua
@@ -317,6 +317,10 @@ function listener.ondisconnect(conn, err)
end
end
+function listener.ondetach(conn)
+ sessions[conn] = nil;
+end
+
module:provides("net", {
name = "component";
private = true;
diff --git a/plugins/mod_dialback.lua b/plugins/mod_dialback.lua
index 2584299c..4c5e3e44 100644
--- a/plugins/mod_dialback.lua
+++ b/plugins/mod_dialback.lua
@@ -82,6 +82,15 @@ module:hook("stanza/jabber:server:dialback:result", function(event)
local attr = stanza.attr;
local to, from = nameprep(attr.to), nameprep(attr.from);
+ if not hosts[to] then
+ -- Not a host that we serve
+ origin.log("warn", "%s tried to connect to %s, which we don't serve", from, to);
+ origin:close("host-unknown");
+ return true;
+ elseif not from then
+ origin:close("improper-addressing");
+ end
+
if dwd and origin.secure then
if check_cert_status(origin, from) == false then
return
@@ -92,15 +101,6 @@ module:hook("stanza/jabber:server:dialback:result", function(event)
end
end
- if not hosts[to] then
- -- Not a host that we serve
- origin.log("warn", "%s tried to connect to %s, which we don't serve", from, to);
- origin:close("host-unknown");
- return true;
- elseif not from then
- origin:close("improper-addressing");
- end
-
origin.hosts[from] = { dialback_key = stanza[1] };
dialback_requests[from.."/"..origin.streamid] = origin;
diff --git a/plugins/mod_net_multiplex.lua b/plugins/mod_net_multiplex.lua
index d666b907..0dd3dc67 100644
--- a/plugins/mod_net_multiplex.lua
+++ b/plugins/mod_net_multiplex.lua
@@ -34,7 +34,6 @@ end
function listener.onincoming(conn, data)
if not data then return; end
local buf = buffers[conn];
- buffers[conn] = nil;
buf = buf and buf..data or data;
for service, multiplex_pattern in pairs(available_services) do
if buf:match(multiplex_pattern) then
@@ -57,6 +56,8 @@ function listener.ondisconnect(conn, err)
buffers[conn] = nil; -- warn if no buffer?
end
+listener.ondetach = listener.ondisconnect;
+
module:provides("net", {
name = "multiplex";
config_prefix = "";
diff --git a/plugins/mod_s2s/mod_s2s.lua b/plugins/mod_s2s/mod_s2s.lua
index 8614b857..0a2b5bb7 100644
--- a/plugins/mod_s2s/mod_s2s.lua
+++ b/plugins/mod_s2s/mod_s2s.lua
@@ -350,8 +350,11 @@ function stream_callbacks.streamopened(session, attr)
session.notopen = nil;
elseif session.direction == "outgoing" then
session.notopen = nil;
- -- If we are just using the connection for verifying dialback keys, we won't try and auth it
- if not attr.id then error("stream response did not give us a streamid!!!"); end
+ if not attr.id then
+ log("error", "Stream response did not give us a stream id!");
+ session:close({ condition = "undefined-condition", text = "Missing stream ID" });
+ return;
+ end
session.streamid = attr.id;
if session.secure and not session.cert_chain_status then
@@ -617,6 +620,10 @@ function listener.register_outgoing(conn, session)
initialize_session(session);
end
+function listener.ondetach(conn)
+ sessions[conn] = nil;
+end
+
function check_auth_policy(event)
local host, session = event.host, event.session;
local must_secure = secure_auth;
diff --git a/plugins/mod_s2s_auth_certs.lua b/plugins/mod_s2s_auth_certs.lua
index efc81130..dd0eb3cb 100644
--- a/plugins/mod_s2s_auth_certs.lua
+++ b/plugins/mod_s2s_auth_certs.lua
@@ -7,39 +7,42 @@ local log = module._log;
module:hook("s2s-check-certificate", function(event)
local session, host, cert = event.session, event.host, event.cert;
local conn = session.conn:socket();
+ local log = session.log or log;
- if cert then
- local log = session.log or log;
- local chain_valid, errors;
- if conn.getpeerverification then
- chain_valid, errors = conn:getpeerverification();
- elseif conn.getpeerchainvalid then -- COMPAT mw/luasec-hg
- chain_valid, errors = conn:getpeerchainvalid();
- errors = (not chain_valid) and { { errors } } or nil;
- else
- chain_valid, errors = false, { { "Chain verification not supported by this version of LuaSec" } };
+ if not cert then
+ log("warn", "No certificate provided by %s", host or "unknown host");
+ return;
+ end
+
+ local chain_valid, errors;
+ if conn.getpeerverification then
+ chain_valid, errors = conn:getpeerverification();
+ elseif conn.getpeerchainvalid then -- COMPAT mw/luasec-hg
+ chain_valid, errors = conn:getpeerchainvalid();
+ errors = (not chain_valid) and { { errors } } or nil;
+ else
+ chain_valid, errors = false, { { "Chain verification not supported by this version of LuaSec" } };
+ end
+ -- Is there any interest in printing out all/the number of errors here?
+ if not chain_valid then
+ log("debug", "certificate chain validation result: invalid");
+ for depth, t in pairs(errors or NULL) do
+ log("debug", "certificate error(s) at depth %d: %s", depth-1, table.concat(t, ", "))
end
- -- Is there any interest in printing out all/the number of errors here?
- if not chain_valid then
- log("debug", "certificate chain validation result: invalid");
- for depth, t in pairs(errors or NULL) do
- log("debug", "certificate error(s) at depth %d: %s", depth-1, table.concat(t, ", "))
- end
- session.cert_chain_status = "invalid";
- else
- log("debug", "certificate chain validation result: valid");
- session.cert_chain_status = "valid";
+ session.cert_chain_status = "invalid";
+ else
+ log("debug", "certificate chain validation result: valid");
+ session.cert_chain_status = "valid";
- -- We'll go ahead and verify the asserted identity if the
- -- connecting server specified one.
- if host then
- if cert_verify_identity(host, "xmpp-server", cert) then
- session.cert_identity_status = "valid"
- else
- session.cert_identity_status = "invalid"
- end
- log("debug", "certificate identity validation result: %s", session.cert_identity_status);
+ -- We'll go ahead and verify the asserted identity if the
+ -- connecting server specified one.
+ if host then
+ if cert_verify_identity(host, "xmpp-server", cert) then
+ session.cert_identity_status = "valid"
+ else
+ session.cert_identity_status = "invalid"
end
+ log("debug", "certificate identity validation result: %s", session.cert_identity_status);
end
end
end, 509);
diff --git a/util/hex.lua b/util/hex.lua
new file mode 100644
index 00000000..72fc22bd
--- /dev/null
+++ b/util/hex.lua
@@ -0,0 +1,19 @@
+local s_char = string.char;
+
+local function char_to_hex(c)
+ return ("%02x"):format(c:byte())
+end
+
+local function hex_to_char(h)
+ return s_char(tonumber(h, 16));
+end
+
+function to(s)
+ return s:gsub(".", char_to_hex);
+end
+
+function from(s)
+ return s:gsub("..", hex_to_char);
+end
+
+return { to = to, from = from }
diff --git a/util/random.lua b/util/random.lua
new file mode 100644
index 00000000..ed5cdf4b
--- /dev/null
+++ b/util/random.lua
@@ -0,0 +1,43 @@
+-- Prosody IM
+-- Copyright (C) 2008-2014 Matthew Wild
+-- Copyright (C) 2008-2014 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local tostring = tostring;
+local os_time = os.time;
+local os_clock = os.clock;
+local ceil = math.ceil;
+local sha1 = require "util.hashes".sha1;
+
+local last_uniq_time = 0;
+local function uniq_time()
+ local new_uniq_time = os_time();
+ if last_uniq_time >= new_uniq_time then new_uniq_time = last_uniq_time + 1; end
+ last_uniq_time = new_uniq_time;
+ return new_uniq_time;
+end
+
+local function new_random(x)
+ return sha1(x..os_clock()..tostring({}));
+end
+
+local buffer = new_random(uniq_time());
+
+local function seed(x)
+ buffer = new_random(buffer..x);
+end
+
+local function bytes(n)
+ if #buffer < n then seed(uniq_time()); end
+ local r = buffer:sub(0, n);
+ buffer = buffer:sub(n+1);
+ return r;
+end
+
+return {
+ seed = seed;
+ bytes = bytes;
+};
diff --git a/util/uuid.lua b/util/uuid.lua
index fc487c72..e10fc0f7 100644
--- a/util/uuid.lua
+++ b/util/uuid.lua
@@ -6,45 +6,27 @@
-- COPYING file in the source package for more information.
--
+local random = require "util.random";
+local random_bytes = random.bytes;
+local hex = require "util.hex".to;
+local m_ceil = math.ceil;
-local m_random = math.random;
-local tostring = tostring;
-local os_time = os.time;
-local os_clock = os.clock;
-local sha1 = require "util.hashes".sha1;
-
-module "uuid"
-
-local last_uniq_time = 0;
-local function uniq_time()
- local new_uniq_time = os_time();
- if last_uniq_time >= new_uniq_time then new_uniq_time = last_uniq_time + 1; end
- last_uniq_time = new_uniq_time;
- return new_uniq_time;
-end
-
-local function new_random(x)
- return sha1(x..os_clock()..tostring({}), true);
-end
-
-local buffer = new_random(uniq_time());
-local function _seed(x)
- buffer = new_random(buffer..x);
-end
local function get_nibbles(n)
- if #buffer < n then _seed(uniq_time()); end
- local r = buffer:sub(0, n);
- buffer = buffer:sub(n+1);
- return r;
+ return hex(random_bytes(m_ceil(n/2))):sub(1, n);
end
+
local function get_twobits()
return ("%x"):format(get_nibbles(1):byte() % 4 + 8);
end
-function generate()
+local function generate()
-- generate RFC 4122 complaint UUIDs (version 4 - random)
return get_nibbles(8).."-"..get_nibbles(4).."-4"..get_nibbles(3).."-"..(get_twobits())..get_nibbles(3).."-"..get_nibbles(12);
end
-seed = _seed;
-return _M;
+return {
+ get_nibbles=get_nibbles;
+ generate = generate ;
+ -- COMPAT
+ seed = random.seed;
+};