Mercurial > prosody-modules

annotate mod_c2s_conn_throttle/mod_c2s_conn_throttle.lua @ 771:889e7a60a2e7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_privacy: Remove, obsolete (bundled with Prosody). Don't come back!
author Matthew Wild <mwild1@gmail.com>
date Sat, 04 Aug 2012 20:40:10 +0100
parents 15763c1d085c
children 9eefbaba274d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
612
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
1 -- Clients Connection Throttler.
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
2 -- Usage:
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
3 -- Add the module into modules loaded into the virtual host section
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
4 --
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
5 -- cthrottler_logins_count = 3 -> number of logins attempt allowed
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
6 -- cthrottler_time = 120 -> in x seconds
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
7
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
8 local time = os.time
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
9 local in_count = {}
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
10 local logins_count = module:get_option_number("cthrottler_logins_count", 3)
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
11 local throttle_time = module:get_option_number("cthrottler_time", 60)
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
12
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
13 local function handle_sessions(event)
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
14 local session = event.origin
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
15
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
16 if not in_count[session.ip] and session.type == "c2s_unauthed" then
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
17 in_count[session.ip] = { t = time(), c = 1 }
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
18 elseif in_count[session.ip] and session.type == "c2s_unauthed" then
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
19 if in_count[session.ip].starttls_c then in_count[session.ip].c = in_count[session.ip].starttls_c else in_count[session.ip].c = in_count[session.ip].c + 1 end
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
20
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
21 if in_count[session.ip].c > logins_count and time() - in_count[session.ip].t < throttle_time then
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
22 module:log("error", "Exceeded login count for %s, closing connection", session.ip)
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
23 session:close{ condition = "policy-violation", text = "You exceeded the number of connections/logins allowed in "..throttle_time.." seconds, good bye." }
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
24 return true
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
25 elseif time() - in_count[session.ip].t > throttle_time then
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
26 in_count[session.ip] = nil ; return
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
27 end
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
28 end
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
29 end
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
30
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
31 local function check_starttls(event)
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
32 local session = event.origin
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
33
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
34 if in_count[session.ip] and type(in_count[session.ip].starttls_c) ~= "number" and session.type == "c2s_unauthed" then
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
35 in_count[session.ip].starttls_c = 1
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
36 elseif in_count[session.ip] and type(in_count[session.ip].starttls_c) == "number" and session.type == "c2s_unauthed" then
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
37 in_count[session.ip].starttls_c = in_count[session.ip].starttls_c + 1
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
38 end
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
39 end
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
40
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
41 module:hook("stream-features", handle_sessions, 100)
15763c1d085c mod_c2s_conn_throttle: renamed mod_c2s_auth_throttle, hooks at features and takes in account stream renegotiation.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
42 module:hook("stanza/urn:ietf:params:xml:ns:xmpp-tls:starttls", check_starttls, 100)