1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** NetX Secure Component                                                 */
16 /**                                                                       */
17 /**    Datagram Transport Layer Security (DTLS)                           */
18 /**                                                                       */
19 /**************************************************************************/
20 /**************************************************************************/
21 
22 #define NX_SECURE_SOURCE_CODE
23 
24 #include "nx_secure_dtls.h"
25 
26 /**************************************************************************/
27 /*                                                                        */
28 /*  FUNCTION                                               RELEASE        */
29 /*                                                                        */
30 /*    _nxe_secure_dtls_server_session_send                PORTABLE C      */
31 /*                                                           6.1          */
32 /*  AUTHOR                                                                */
33 /*                                                                        */
34 /*    Timothy Stapko, Microsoft Corporation                               */
35 /*                                                                        */
36 /*  DESCRIPTION                                                           */
37 /*                                                                        */
38 /*    This function checks for errors when sending data over a DTLS       */
39 /*    server session.                                                     */
40 /*                                                                        */
41 /*  INPUT                                                                 */
42 /*                                                                        */
43 /*    dtls_session                          DTLS control block            */
44 /*    packet_ptr                            Pointer to packet data        */
45 /*                                                                        */
46 /*  OUTPUT                                                                */
47 /*                                                                        */
48 /*    status                                Completion status             */
49 /*                                                                        */
50 /*  CALLS                                                                 */
51 /*                                                                        */
52 /*    _nx_secure_dtls_server_session_send   Actual function call          */
53 /*                                                                        */
54 /*  CALLED BY                                                             */
55 /*                                                                        */
56 /*    Application Code                                                    */
57 /*                                                                        */
58 /*  RELEASE HISTORY                                                       */
59 /*                                                                        */
60 /*    DATE              NAME                      DESCRIPTION             */
61 /*                                                                        */
62 /*  05-19-2020     Timothy Stapko           Initial Version 6.0           */
63 /*  09-30-2020     Timothy Stapko           Modified comment(s),          */
64 /*                                            resulting in version 6.1    */
65 /*                                                                        */
66 /**************************************************************************/
_nxe_secure_dtls_server_session_send(NX_SECURE_DTLS_SESSION * dtls_session,NX_PACKET * packet_ptr)67 UINT _nxe_secure_dtls_server_session_send(NX_SECURE_DTLS_SESSION *dtls_session, NX_PACKET *packet_ptr)
68 {
69 #ifdef NX_SECURE_ENABLE_DTLS
70 UINT status;
71 
72     if (dtls_session == NX_NULL || packet_ptr == NX_NULL)
73     {
74         return(NX_PTR_ERROR);
75     }
76 
77     /* Make sure the session is initialized. */
78     if (dtls_session->nx_secure_dtls_tls_session.nx_secure_tls_id != NX_SECURE_TLS_ID)
79     {
80         return(NX_SECURE_TLS_SESSION_UNINITIALIZED);
81     }
82 
83     /* Call actual function. */
84     status = _nx_secure_dtls_server_session_send(dtls_session, packet_ptr);
85 
86     return(status);
87 #else
88     NX_PARAMETER_NOT_USED(dtls_session);
89     NX_PARAMETER_NOT_USED(packet_ptr);
90 
91     return(NX_NOT_SUPPORTED);
92 #endif /* NX_SECURE_ENABLE_DTLS */
93 }
94 
95