--- Prosody IM v0.4
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
-local tonumber, tostring = tonumber, tostring;
+local tonumber, tostring, setmetatable = tonumber, tostring, setmetatable;
local ipairs, pairs, print, next= ipairs, pairs, print, next;
-local collectgarbage = collectgarbage;
-local m_random = import("math", "random");
local format = import("string", "format");
local hosts = hosts;
local bare_sessions = bare_sessions;
local modulemanager = require "core.modulemanager";
-local log = require "util.logger".init("sessionmanager");
+local logger = require "util.logger";
+local log = logger.init("sessionmanager");
local error = error;
local uuid_generate = require "util.uuid".generate;
local rm_load_roster = require "core.rostermanager".load_roster;
local config_get = require "core.configmanager".get;
local nameprep = require "util.encodings".stringprep.nameprep;
+local resourceprep = require "util.encodings".stringprep.resourceprep;
local fire_event = require "core.eventmanager".fire_event;
-
+local add_task = require "util.timer".add_task;
local gettime = require "socket".gettime;
local st = require "util.stanza";
+local c2s_timeout = config_get("*", "core", "c2s_timeout");
+
local newproxy = newproxy;
local getmetatable = getmetatable;
open_sessions = open_sessions + 1;
log("debug", "open sessions now: ".. open_sessions);
local w = conn.write;
- session.send = function (t) w(tostring(t)); end
- session.ip = conn.ip();
+ session.send = function (t) w(conn, tostring(t)); end
+ session.ip = conn:ip();
+ local conn_name = "c2s"..tostring(conn):match("[a-f0-9]+$");
+ session.log = logger.init(conn_name);
+
+ if c2s_timeout then
+ add_task(c2s_timeout, function ()
+ if session.type == "c2s_unauthed" then
+ session:close("connection-timeout");
+ end
+ end);
+ end
+
return session;
end
+local resting_session = { -- Resting, not dead
+ destroyed = true;
+ type = "c2s_destroyed";
+ close = function (session)
+ session.log("debug", "Attempt to close already-closed session");
+ end;
+ }; resting_session.__index = resting_session;
+
+function retire_session(session)
+ local log = session.log or log;
+ for k in pairs(session) do
+ if k ~= "trace" and k ~= "log" and k ~= "id" then
+ session[k] = nil;
+ end
+ end
+
+ function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end
+ function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end
+ return setmetatable(session, resting_session);
+end
+
function destroy_session(session, err)
(session.log or log)("info", "Destroying session for %s (%s@%s)", session.full_jid or "(unknown)", session.username or "(unknown)", session.host or "(unknown)");
-
- -- Send unavailable presence
- if session.presence then
- local pres = st.presence{ type = "unavailable" };
- if (not err) or err == "closed" then err = "connection closed"; end
- pres:tag("status"):text("Disconnected: "..err):up();
- session:dispatch_stanza(pres);
- end
+ if session.destroyed then return; end
-- Remove session/resource from user's session list
if session.full_jid then
- hosts[session.host].events.fire_event("resource-unbind", session);
-
hosts[session.host].sessions[session.username].sessions[session.resource] = nil;
full_sessions[session.full_jid] = nil;
-
+
if not next(hosts[session.host].sessions[session.username].sessions) then
log("debug", "All resources of %s are now offline", session.username);
hosts[session.host].sessions[session.username] = nil;
bare_sessions[session.username..'@'..session.host] = nil;
end
+
+ hosts[session.host].events.fire_event("resource-unbind", {session=session, error=err});
end
- for k in pairs(session) do
- if k ~= "trace" then
- session[k] = nil;
- end
- end
+ retire_session(session);
end
function make_authenticated(session, username)
if session.resource then return nil, "cancel", "already-bound", "Cannot bind multiple resources on a single connection"; end
-- We don't support binding multiple resources
- resource = resource or uuid_generate();
+ resource = resourceprep(resource);
+ resource = resource ~= "" and resource or uuid_generate();
--FIXME: Randomly-generated resources must be unique per-user, and never conflict with existing
if not hosts[session.host].sessions[session.username] then
};
if not next(sessions) then
hosts[session.host].sessions[session.username] = { sessions = sessions };
+ bare_sessions[session.username.."@"..session.host] = hosts[session.host].sessions[session.username];
end
end
if increment and sessions[resource] then
session.roster = rm_load_roster(session.username, session.host);
- hosts[session.host].events.fire_event("resource-bind", session);
+ hosts[session.host].events.fire_event("resource-bind", {session=session});
return true;
end
function streamopened(session, attr)
local send = session.send;
- session.host = attr.to or error("Client failed to specify destination hostname");
+ session.host = attr.to;
+ if not session.host then
+ session:close{ condition = "improper-addressing",
+ text = "A 'to' attribute is required on stream headers" };
+ return;
+ end
session.host = nameprep(session.host);
session.version = tonumber(attr.version) or 0;
- session.streamid = m_random(1000000, 99999999);
+ session.streamid = uuid_generate();
(session.log or session)("debug", "Client sent opening <stream:stream> to %s", session.host);
-
- send("<?xml version='1.0'?>");
- send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' version='1.0' xml:lang='en'>", session.streamid, session.host));
if not hosts[session.host] then
-- We don't serve this host...
session:close{ condition = "host-unknown", text = "This server does not serve "..tostring(session.host)};
return;
end
-
+
+ send("<?xml version='1.0'?>");
+ send(format("<stream:stream xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='%s' from='%s' version='1.0' xml:lang='en'>", session.streamid, session.host));
+
+ (session.log or log)("debug", "Sent reply <stream:stream> to client");
+ session.notopen = nil;
+
-- If session.secure is *false* (not nil) then it means we /were/ encrypting
-- since we now have a new stream header, session is secured
if session.secure == false then
session.secure = true;
end
-
+
local features = st.stanza("stream:features");
+ hosts[session.host].events.fire_event("stream-features", { origin = session, features = features });
fire_event("stream-features", session, features);
-
+
send(features);
-
- (session.log or log)("debug", "Sent reply <stream:stream> to client");
- session.notopen = nil;
+
end
function streamclosed(session)
- session.send("</stream:stream>");
- session.notopen = true;
+ session.log("debug", "Received </stream:stream>");
+ session:close();
end
function send_to_available_resources(user, host, stanza)
+ local jid = user.."@"..host;
local count = 0;
- local to = stanza.attr.to;
- stanza.attr.to = nil;
- local h = hosts[host];
- if h and h.type == "local" then
- local u = h.sessions[user];
- if u then
- for k, session in pairs(u.sessions) do
- if session.presence then
- session.send(stanza);
- count = count + 1;
- end
+ local user = bare_sessions[jid];
+ if user then
+ for k, session in pairs(user.sessions) do
+ if session.presence then
+ session.send(stanza);
+ count = count + 1;
+ end
+ end
+ end
+ return count;
+end
+
+function send_to_interested_resources(user, host, stanza)
+ local jid = user.."@"..host;
+ local count = 0;
+ local user = bare_sessions[jid];
+ if user then
+ for k, session in pairs(user.sessions) do
+ if session.interested then
+ session.send(stanza);
+ count = count + 1;
end
end
end
- stanza.attr.to = to;
return count;
end
projects / prosody.git / blobdiff