OpenVPN
ssl_util.h
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1 /*
2  * OpenVPN -- An application to securely tunnel IP networks
3  * over a single TCP/UDP port, with support for SSL/TLS-based
4  * session authentication and key exchange,
5  * packet encryption, packet authentication, and
6  * packet compression.
7  *
8  * Copyright (C) 2002-2022 OpenVPN Inc <sales@openvpn.net>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2
12  * as published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write to the Free Software Foundation, Inc.,
21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22  */
23 
29 #ifndef SSL_UTIL_H_
30 #define SSL_UTIL_H_
31 
32 #include "buffer.h"
33 
44 char *
45 extract_var_peer_info(const char *peer_info,
46  const char *var,
47  struct gc_arena *gc);
48 
55 unsigned int
56 extract_iv_proto(const char *peer_info);
57 
70 const char *
71 options_string_compat_lzo(const char *options, struct gc_arena *gc);
72 #endif
options
Definition: options.h:232
buffer.h
gc_arena
Garbage collection arena used to keep track of dynamically allocated memory.
Definition: buffer.h:116
extract_iv_proto
unsigned int extract_iv_proto(const char *peer_info)
Extracts the IV_PROTO variable and returns its value or 0 if it cannot be extracted.
Definition: ssl_util.c:64
options_string_compat_lzo
const char * options_string_compat_lzo(const char *options, struct gc_arena *gc)
Takes a locally produced OCC string for TLS server mode and modifies as if the option comp-lzo was en...
Definition: ssl_util.c:80
extract_var_peer_info
char * extract_var_peer_info(const char *peer_info, const char *var, struct gc_arena *gc)
Extracts a variable from peer info, the returned string will be allocated using the supplied gc_arena...
Definition: ssl_util.c:34