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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/**************************************************************************/
/* */
/* Copyright (c) 2001, 2009 NoMachine, http://www.nomachine.com/. */
/* */
/* NXCOMP, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#include "InternAtom.h"
#include "ClientCache.h"
#include "EncodeBuffer.h"
#include "DecodeBuffer.h"
//
// Set the verbosity level.
//
#define PANIC
#define WARNING
#undef TEST
#undef DEBUG
#undef DUMP
//
// Here are the methods to handle messages' content.
//
int InternAtomStore::parseIdentity(Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
InternAtomMessage *internAtom = (InternAtomMessage *) message;
//
// Here is the fingerprint.
//
internAtom -> only_if_exists = *(buffer + 1);
internAtom -> name_length = GetUINT(buffer + 4, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush;
#endif
//
// Clean up padding bytes.
//
if ((int) size > dataOffset)
{
unsigned char *end = ((unsigned char *) buffer) + size;
for (unsigned char *pad = ((unsigned char *) buffer) + 8 +
internAtom -> name_length; pad < end; pad++)
{
*pad = 0;
}
}
return 1;
}
int InternAtomStore::unparseIdentity(const Message *message, unsigned char *buffer,
unsigned int size, int bigEndian) const
{
InternAtomMessage *internAtom = (InternAtomMessage *) message;
//
// Fill all the message's fields.
//
*(buffer + 1) = internAtom -> only_if_exists;
PutUINT(internAtom -> name_length, buffer + 4, bigEndian);
#ifdef DEBUG
*logofs << name() << ": Unparsed identity for message at " << message << ".\n" << logofs_flush;
#endif
return 1;
}
void InternAtomStore::dumpIdentity(const Message *message) const
{
#ifdef DUMP
InternAtomMessage *internAtom = (InternAtomMessage *) message;
*logofs << name() << ": Identity only_if_exists "
<< (unsigned int) internAtom -> only_if_exists
<< ", name_length " << internAtom -> name_length
<< ", name '";
for (int i = 0; i < internAtom -> name_length; i++)
{
*logofs << internAtom -> data_[i];
}
*logofs << "'.\n" << logofs_flush;
#endif
}
void InternAtomStore::identityChecksum(const Message *message, const unsigned char *buffer,
unsigned int size, int bigEndian) const
{
md5_append(md5_state_, buffer + 1, 1);
md5_append(md5_state_, buffer + 4, 2);
}
|