Annotation of embedaddon/strongswan/src/libimcv/pa_tnc/pa_tnc_attr.h, revision 1.1.1.1
1.1 misho 1: /*
2: * Copyright (C) 2011-2014 Andreas Steffen
3: * HSR Hochschule fuer Technik Rapperswil
4: *
5: * This program is free software; you can redistribute it and/or modify it
6: * under the terms of the GNU General Public License as published by the
7: * Free Software Foundation; either version 2 of the License, or (at your
8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
9: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13: * for more details.
14: */
15:
16: /**
17: * @defgroup pa_tnc_attr pa_tnc_attr
18: * @{ @ingroup pa_tnc
19: */
20:
21: #ifndef PA_TNC_ATTR_H_
22: #define PA_TNC_ATTR_H_
23:
24: typedef struct pa_tnc_attr_t pa_tnc_attr_t;
25:
26: #include <library.h>
27: #include <pen/pen.h>
28:
29: #define PA_TNC_ATTR_INFO_SIZE 8
30: #define PA_TNC_ATTR_HEADER_SIZE 12
31:
32: #define PA_TNC_ATTR_FLAG_NONE 0x00
33: #define PA_TNC_ATTR_FLAG_NOSKIP (1<<7)
34:
35: /**
36: * Interface for an RFC 5792 PA-TNC Posture Attribute.
37: *
38: */
39: struct pa_tnc_attr_t {
40:
41: /**
42: * Get the vendor ID/type of an PA-TNC attribute
43: *
44: * @return vendor-specific attribute type
45: */
46: pen_type_t (*get_type)(pa_tnc_attr_t *this);
47:
48: /**
49: * Get the value of an PA-TNC attribute
50: *
51: * @return attribute value
52: */
53: chunk_t (*get_value)(pa_tnc_attr_t *this);
54:
55: /**
56: * Get the noskip flag
57: *
58: * @return TRUE if the noskip flag is set
59: */
60: bool (*get_noskip_flag)(pa_tnc_attr_t *this);
61:
62: /**
63: * Set the noskip flag
64: *
65: * @param noskip_flag TRUE if the noskip flag is to be set
66: */
67: void (*set_noskip_flag)(pa_tnc_attr_t *this, bool noskip);
68:
69: /**
70: * Build value of an PA-TNC attribute from its parameters
71: */
72: void (*build)(pa_tnc_attr_t *this);
73:
74: /**
75: * Process the value of an PA-TNC attribute to extract its parameters
76: *
77: * @param offset relative error offset within attribute body
78: * @return result status
79: */
80: status_t (*process)(pa_tnc_attr_t *this, uint32_t *offset);
81:
82: /**
83: * Add a data segment to an attribute allowing incremental processing
84: *
85: * @param segment data segment to be appended
86: */
87: void (*add_segment)(pa_tnc_attr_t *this, chunk_t segment);
88:
89: /**
90: * Get a new reference to the PA-TNC attribute
91: *
92: * @return this, with an increased refcount
93: */
94: pa_tnc_attr_t* (*get_ref)(pa_tnc_attr_t *this);
95:
96: /**
97: * Destroys a pa_tnc_attr_t object.
98: */
99: void (*destroy)(pa_tnc_attr_t *this);
100: };
101:
102: #endif /** PA_TNC_ATTR_H_ @}*/
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