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 #include "nx_secure_dtls.h"
26 
27 /**************************************************************************/
28 /*                                                                        */
29 /*  FUNCTION                                               RELEASE        */
30 /*                                                                        */
31 /*    _nxe_secure_dtls_server_session_send                PORTABLE C      */
32 /*                                                           6.1          */
33 /*  AUTHOR                                                                */
34 /*                                                                        */
35 /*    Timothy Stapko, Microsoft Corporation                               */
36 /*                                                                        */
37 /*  DESCRIPTION                                                           */
38 /*                                                                        */
39 /*    This function checks for errors when sending data over a DTLS       */
40 /*    server session.                                                     */
41 /*                                                                        */
42 /*  INPUT                                                                 */
43 /*                                                                        */
44 /*    dtls_session                          DTLS control block            */
45 /*    packet_ptr                            Pointer to packet data        */
46 /*                                                                        */
47 /*  OUTPUT                                                                */
48 /*                                                                        */
49 /*    status                                Completion status             */
50 /*                                                                        */
51 /*  CALLS                                                                 */
52 /*                                                                        */
53 /*    _nx_secure_dtls_server_session_send   Actual function call          */
54 /*                                                                        */
55 /*  CALLED BY                                                             */
56 /*                                                                        */
57 /*    Application Code                                                    */
58 /*                                                                        */
59 /*  RELEASE HISTORY                                                       */
60 /*                                                                        */
61 /*    DATE              NAME                      DESCRIPTION             */
62 /*                                                                        */
63 /*  05-19-2020     Timothy Stapko           Initial Version 6.0           */
64 /*  09-30-2020     Timothy Stapko           Modified comment(s),          */
65 /*                                            resulting in version 6.1    */
66 /*                                                                        */
67 /**************************************************************************/
_nxe_secure_dtls_server_session_send(NX_SECURE_DTLS_SESSION * dtls_session,NX_PACKET * packet_ptr)68 UINT _nxe_secure_dtls_server_session_send(NX_SECURE_DTLS_SESSION *dtls_session, NX_PACKET *packet_ptr)
69 {
70 #ifdef NX_SECURE_ENABLE_DTLS
71 UINT status;
72 
73     if (dtls_session == NX_NULL || packet_ptr == NX_NULL)
74     {
75         return(NX_PTR_ERROR);
76     }
77 
78     /* Make sure the session is initialized. */
79     if (dtls_session->nx_secure_dtls_tls_session.nx_secure_tls_id != NX_SECURE_TLS_ID)
80     {
81         return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
82     }
83 
84     /* Call actual function. */
85     status = _nx_secure_dtls_server_session_send(dtls_session, packet_ptr);
86 
87     return(status);
88 #else
89     NX_PARAMETER_NOT_USED(dtls_session);
90     NX_PARAMETER_NOT_USED(packet_ptr);
91 
92     return(NX_NOT_SUPPORTED);
93 #endif /* NX_SECURE_ENABLE_DTLS */
94 }
95 
96