blob: 7f147f8641e143ae56bf01b1981646fbf470452f (
plain)
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/*
* Copyright (C) 2011-2013 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup imv_scanner imv_scanner
* @ingroup libimcv_plugins
*
* @defgroup imv_scanner_state_t imv_scanner_state
* @{ @ingroup imv_scanner
*/
#ifndef IMV_SCANNER_STATE_H_
#define IMV_SCANNER_STATE_H_
#include <imv/imv_state.h>
#include <ietf/ietf_attr_port_filter.h>
#include <library.h>
typedef struct imv_scanner_state_t imv_scanner_state_t;
typedef enum imv_scanner_handshake_state_t imv_scanner_handshake_state_t;
/**
* IMV Scanner Handshake States (state machine)
*/
enum imv_scanner_handshake_state_t {
IMV_SCANNER_STATE_INIT,
IMV_SCANNER_STATE_ATTR_REQ,
IMV_SCANNER_STATE_WORKITEMS,
IMV_SCANNER_STATE_END
};
/**
* Internal state of an imv_scanner_t connection instance
*/
struct imv_scanner_state_t {
/**
* imv_state_t interface
*/
imv_state_t interface;
/**
* Set state of the handshake
*
* @param new_state the handshake state of IMV
*/
void (*set_handshake_state)(imv_scanner_state_t *this,
imv_scanner_handshake_state_t new_state);
/**
* Get state of the handshake
*
* @return the handshake state of IMV
*/
imv_scanner_handshake_state_t (*get_handshake_state)(imv_scanner_state_t *this);
/**
* Store an IETF Port Filter attribute for later evaluation
*
* @param attr IETF Port Filter attribute
*/
void (*set_port_filter_attr)(imv_scanner_state_t *this,
ietf_attr_port_filter_t *attr);
/**
* Get the stored IETF Port Filter attribute
*
* @return IETF Port Filter attribute
*/
ietf_attr_port_filter_t* (*get_port_filter_attr)(imv_scanner_state_t *this);
/**
* add a violating TCP or UDP port
*/
void (*add_violating_port)(imv_scanner_state_t *this, char *port);
};
/**
* Create an imv_scanner_state_t instance
*
* @param id connection ID
*/
imv_state_t* imv_scanner_state_create(TNC_ConnectionID id);
#endif /** IMV_SCANNER_STATE_H_ @}*/
|
