1 #ifndef HEADER_CURL_MBEDTLS_H
2 #define HEADER_CURL_MBEDTLS_H
3 /***************************************************************************
4  *                                  _   _ ____  _
5  *  Project                     ___| | | |  _ \| |
6  *                             / __| | | | |_) | |
7  *                            | (__| |_| |  _ <| |___
8  *                             \___|\___/|_| \_\_____|
9  *
10  * Copyright (C) 2012 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
11  * Copyright (C) 2010, Hoi-Ho Chan, <hoiho.chan@gmail.com>
12  *
13  * This software is licensed as described in the file COPYING, which
14  * you should have received as part of this distribution. The terms
15  * are also available at https://curl.haxx.se/docs/copyright.html.
16  *
17  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
18  * copies of the Software, and permit persons to whom the Software is
19  * furnished to do so, under the terms of the COPYING file.
20  *
21  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
22  * KIND, either express or implied.
23  *
24  ***************************************************************************/
25 #include "curl_setup.h"
26 
27 #ifdef USE_MBEDTLS
28 
29 #include <mbedtls/sha256.h>
30 
31 /* Called on first use mbedTLS, setup threading if supported */
32 int  Curl_mbedtls_init(void);
33 void Curl_mbedtls_cleanup(void);
34 int Curl_mbedtls_data_pending(const struct connectdata *conn, int sockindex);
35 
36 CURLcode Curl_mbedtls_connect(struct connectdata *conn, int sockindex);
37 
38 CURLcode Curl_mbedtls_connect_nonblocking(struct connectdata *conn,
39                                            int sockindex,
40                                            bool *done);
41 
42 /* tell mbedTLS to close down all open information regarding connections (and
43    thus session ID caching etc) */
44 void Curl_mbedtls_close_all(struct Curl_easy *data);
45 
46  /* close a SSL connection */
47 void Curl_mbedtls_close(struct connectdata *conn, int sockindex);
48 
49 void Curl_mbedtls_session_free(void *ptr);
50 size_t Curl_mbedtls_version(char *buffer, size_t size);
51 int Curl_mbedtls_shutdown(struct connectdata *conn, int sockindex);
52 
53 /* this backends supports CURLOPT_PINNEDPUBLICKEY */
54 #define have_curlssl_pinnedpubkey 1
55 
56 /* API setup for mbedTLS */
57 #define curlssl_init() Curl_mbedtls_init()
58 #define curlssl_cleanup() Curl_mbedtls_cleanup()
59 #define curlssl_connect Curl_mbedtls_connect
60 #define curlssl_connect_nonblocking Curl_mbedtls_connect_nonblocking
61 #define curlssl_session_free(x)  Curl_mbedtls_session_free(x)
62 #define curlssl_close_all Curl_mbedtls_close_all
63 #define curlssl_close Curl_mbedtls_close
64 #define curlssl_shutdown(x,y) 0
65 #define curlssl_set_engine(x,y) (x=x, y=y, CURLE_NOT_BUILT_IN)
66 #define curlssl_set_engine_default(x) (x=x, CURLE_NOT_BUILT_IN)
67 #define curlssl_engines_list(x) (x=x, (struct curl_slist *)NULL)
68 #define curlssl_version Curl_mbedtls_version
69 #define curlssl_check_cxn(x) (x=x, -1)
70 #define curlssl_data_pending(x,y) Curl_mbedtls_data_pending(x, y)
71 #define CURL_SSL_BACKEND CURLSSLBACKEND_MBEDTLS
72 #define curlssl_sha256sum(a,b,c,d) mbedtls_sha256(a,b,c,0)
73 
74 /* This might cause libcurl to use a weeker random!
75    TODO: implement proper use of Polarssl's CTR-DRBG or HMAC-DRBG and use that
76 */
77 #define curlssl_random(x,y,z) (x=x, y=y, z=z, CURLE_NOT_BUILT_IN)
78 
79 #endif /* USE_MBEDTLS */
80 #endif /* HEADER_CURL_MBEDTLS_H */
81