1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** NetX Secure Component */
17 /** */
18 /** Datagram Transport Layer Security (DTLS) */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define NX_SECURE_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "nx_secure_dtls.h"
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _nx_secure_dtls_client_protocol_version_override PORTABLE C */
35 /* 6.1 */
36 /* AUTHOR */
37 /* */
38 /* Timothy Stapko, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function overrides the DTLS protocol version to use for the */
43 /* DTLS session. This allows for a different version of DTLS to be */
44 /* utilized even if a newer version is enabled. For example, to use */
45 /* DTLSv1.0 for a specific host but use DTLSv1.2 for all other hosts. */
46 /* */
47 /* INPUT */
48 /* */
49 /* dtls_session Pointer to DTLS session */
50 /* protocol_version Version of TLS to use */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* status Completion status */
55 /* */
56 /* CALLS */
57 /* */
58 /* _nx_secure_tls_session_protocol_version_override */
59 /* Override TLS protocol version */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Application Code */
64 /* */
65 /* RELEASE HISTORY */
66 /* */
67 /* DATE NAME DESCRIPTION */
68 /* */
69 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */
70 /* 09-30-2020 Timothy Stapko Modified comment(s), */
71 /* resulting in version 6.1 */
72 /* */
73 /**************************************************************************/
_nx_secure_dtls_client_protocol_version_override(NX_SECURE_DTLS_SESSION * dtls_session,USHORT protocol_version)74 UINT _nx_secure_dtls_client_protocol_version_override(NX_SECURE_DTLS_SESSION *dtls_session,
75 USHORT protocol_version)
76 {
77 #ifdef NX_SECURE_ENABLE_DTLS
78 UINT status;
79
80 status = _nx_secure_tls_session_protocol_version_override(&(dtls_session -> nx_secure_dtls_tls_session), protocol_version);
81
82 /* Return completion status. */
83 return(status);
84 #else
85 NX_PARAMETER_NOT_USED(dtls_session);
86 NX_PARAMETER_NOT_USED(protocol_version);
87
88 return(NX_NOT_SUPPORTED);
89 #endif
90 }
91
92