xref: /freebsd/contrib/libpcap/sslutils.h (revision 19fae0f66023a97a9b464b3beeeabb2081f575b3)
1 /*
2  * Copyright (c) 2002 - 2003
3  * NetGroup, Politecnico di Torino (Italy)
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the Politecnico di Torino nor the names of its
16  * contributors may be used to endorse or promote products derived from
17  * this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  */
32 
33 #ifndef __SSLUTILS_H__
34 #define __SSLUTILS_H__
35 
36 #ifdef HAVE_OPENSSL
37 #include "pcap/socket.h"  // for SOCKET
38 #include <openssl/ssl.h>
39 #include <openssl/err.h>
40 
41 /*
42  * Utility functions
43  */
44 
45 void ssl_set_certfile(const char *certfile);
46 void ssl_set_keyfile(const char *keyfile);
47 int ssl_init_once(int is_server, int enable_compression, char *errbuf, size_t errbuflen);
48 SSL *ssl_promotion(int is_server, SOCKET s, char *errbuf, size_t errbuflen);
49 void ssl_finish(SSL *ssl);
50 int ssl_send(SSL *, char const *buffer, int size, char *errbuf, size_t errbuflen);
51 int ssl_recv(SSL *, char *buffer, int size, char *errbuf, size_t errbuflen);
52 
53 // The SSL parameters are used
54 #define _U_NOSSL_
55 
56 #else   // HAVE_OPENSSL
57 
58 // This saves us from a lot of ifdefs:
59 #define SSL void const
60 
61 // The SSL parameters are unused
62 #define _U_NOSSL_	_U_
63 
64 #endif  // HAVE_OPENSSL
65 
66 #endif  // __SSLUTILS_H__
67