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
|
/*
* Copyright (C) 2000 Nikos Mavroyanopoulos
* Copyright (C) 2004 Free Software Foundation
*
* This file is part of GNUTLS.
*
* The GNUTLS library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* This file contains the functions which convert the TLS plaintext
* packet to TLS compressed packet.
*/
#include "gnutls_int.h"
#include "gnutls_compress.h"
#include "gnutls_errors.h"
#include "gnutls_compress_int.h"
/* These functions allocate the return value internally
*/
int _gnutls_m_plaintext2compressed(gnutls_session session,
gnutls_datum*
compress,
gnutls_datum plaintext)
{
int size;
opaque *data;
size = _gnutls_compress( session->connection_state.write_compression_state,
plaintext.data, plaintext.size, &data, MAX_RECORD_SEND_SIZE+1024);
if (size < 0) {
gnutls_assert();
return GNUTLS_E_COMPRESSION_FAILED;
}
compress->data = data;
compress->size = size;
return 0;
}
int _gnutls_m_compressed2plaintext(gnutls_session session,
gnutls_datum* plain,
gnutls_datum
compressed)
{
int size;
opaque* data;
size = _gnutls_decompress( session->connection_state.read_compression_state,
compressed.data, compressed.size, &data, MAX_RECORD_RECV_SIZE);
if (size < 0) {
gnutls_assert();
return GNUTLS_E_DECOMPRESSION_FAILED;
}
plain->data = data;
plain->size = size;
return 0;
}
|