1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
-- Gemeinschaft 5 module: perimeter defense event handler class
-- (c) AMOOMA GmbH 2013
--
module(...,package.seeall)
function handler_class()
return PerimeterDefense
end
PerimeterDefense = {}
function PerimeterDefense.new(self, arg)
arg = arg or {}
object = arg.object or {}
setmetatable(object, self);
self.__index = self;
self.log = arg.log;
self.class = 'perimeterdefense'
self.database = arg.database;
self.domain = arg.domain;
require 'common.perimeter';
self.perimeter = common.perimeter.Perimeter:new(arg);
self.perimeter:setup();
return object;
end
function PerimeterDefense.event_handlers(self)
return { CUSTOM = {
['sofia::pre_register'] = self.sofia_pre_register,
['sofia::register_attempt'] = self.sofia_register_attempt,
['sofia::register_failure'] = self.sofia_register_failure,
} }
end
function PerimeterDefense.to_record(self, event, class)
return {
class = class,
key = event:getHeader('network-ip'),
sequence = tonumber(event:getHeader('Event-Sequence')),
timestamp = tonumber(event:getHeader('Event-Date-Timestamp')),
received_ip = event:getHeader('network-ip'),
received_port = event:getHeader('network-port'),
from_user = event:getHeader('from-user'),
from_host = event:getHeader('from-host'),
to_user = event:getHeader('to-user'),
to_host = event:getHeader('to-host'),
user_agent = event:getHeader('user-agent'),
user_agent = event:getHeader('user-agent'),
username = event:getHeader('username'),
realm = event:getHeader('realm'),
auth_result = event:getHeader('auth-result'),
contact = event:getHeader('contact'),
};
end
function PerimeterDefense.sofia_pre_register(self, event)
local record = self:to_record(event, 'pre_register');
self.perimeter:check(record);
end
function PerimeterDefense.sofia_register_attempt(self, event)
local record = self:to_record(event, 'register_attempt');
self.perimeter:check(record);
end
function PerimeterDefense.sofia_register_failure(self, event)
local record = self:to_record(event, 'register_failure');
self.perimeter:check(record);
end
|