1#ifndef HEADER_CURL_SSLUSE_H
2#define HEADER_CURL_SSLUSE_H
3/***************************************************************************
4 *                                  _   _ ____  _
5 *  Project                     ___| | | |  _ \| |
6 *                             / __| | | | |_) | |
7 *                            | (__| |_| |  _ <| |___
8 *                             \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
11 *
12 * This software is licensed as described in the file COPYING, which
13 * you should have received as part of this distribution. The terms
14 * are also available at http://curl.haxx.se/docs/copyright.html.
15 *
16 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
17 * copies of the Software, and permit persons to whom the Software is
18 * furnished to do so, under the terms of the COPYING file.
19 *
20 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21 * KIND, either express or implied.
22 *
23 ***************************************************************************/
24
25#include "curl_setup.h"
26
27#ifdef USE_SSLEAY
28/*
29 * This header should only be needed to get included by vtls.c and openssl.c
30 */
31
32#include "urldata.h"
33
34CURLcode Curl_ossl_connect(struct connectdata *conn, int sockindex);
35CURLcode Curl_ossl_connect_nonblocking(struct connectdata *conn,
36                                       int sockindex,
37                                       bool *done);
38
39/* close a SSL connection */
40void Curl_ossl_close(struct connectdata *conn, int sockindex);
41
42/* tell OpenSSL to close down all open information regarding connections (and
43   thus session ID caching etc) */
44int Curl_ossl_close_all(struct SessionHandle *data);
45
46/* Sets an OpenSSL engine */
47CURLcode Curl_ossl_set_engine(struct SessionHandle *data, const char *engine);
48
49/* function provided for the generic SSL-layer, called when a session id
50   should be freed */
51void Curl_ossl_session_free(void *ptr);
52
53/* Sets engine as default for all SSL operations */
54CURLcode Curl_ossl_set_engine_default(struct SessionHandle *data);
55
56/* Build list of OpenSSL engines */
57struct curl_slist *Curl_ossl_engines_list(struct SessionHandle *data);
58
59int Curl_ossl_init(void);
60void Curl_ossl_cleanup(void);
61
62size_t Curl_ossl_version(char *buffer, size_t size);
63int Curl_ossl_check_cxn(struct connectdata *cxn);
64int Curl_ossl_seed(struct SessionHandle *data);
65
66int Curl_ossl_shutdown(struct connectdata *conn, int sockindex);
67bool Curl_ossl_data_pending(const struct connectdata *conn,
68                            int connindex);
69void Curl_ossl_random(struct SessionHandle *data, unsigned char *entropy,
70                      size_t length);
71void Curl_ossl_md5sum(unsigned char *tmp, /* input */
72                      size_t tmplen,
73                      unsigned char *md5sum /* output */,
74                      size_t unused);
75
76/* this backend provides these functions: */
77#define have_curlssl_random 1
78#define have_curlssl_md5sum 1
79
80/* API setup for OpenSSL */
81#define curlssl_init Curl_ossl_init
82#define curlssl_cleanup Curl_ossl_cleanup
83#define curlssl_connect Curl_ossl_connect
84#define curlssl_connect_nonblocking Curl_ossl_connect_nonblocking
85#define curlssl_session_free(x) Curl_ossl_session_free(x)
86#define curlssl_close_all Curl_ossl_close_all
87#define curlssl_close Curl_ossl_close
88#define curlssl_shutdown(x,y) Curl_ossl_shutdown(x,y)
89#define curlssl_set_engine(x,y) Curl_ossl_set_engine(x,y)
90#define curlssl_set_engine_default(x) Curl_ossl_set_engine_default(x)
91#define curlssl_engines_list(x) Curl_ossl_engines_list(x)
92#define curlssl_version Curl_ossl_version
93#define curlssl_check_cxn Curl_ossl_check_cxn
94#define curlssl_data_pending(x,y) Curl_ossl_data_pending(x,y)
95#define curlssl_random(x,y,z) Curl_ossl_random(x,y,z)
96#define curlssl_md5sum(a,b,c,d) Curl_ossl_md5sum(a,b,c,d)
97
98#define DEFAULT_CIPHER_SELECTION "ALL!EXPORT!EXPORT40!EXPORT56!aNULL!LOW!RC4"
99
100#endif /* USE_SSLEAY */
101#endif /* HEADER_CURL_SSLUSE_H */
102